JP5846665B1 - Nursing bed - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a care bed for improving the air permeability of the whole interior and drying it efficiently to prevent a bed slip of a care recipient. A plurality of division units 9a1 to 9a10 and 9b1 to 9b10 each formed of a rectangular parallelepiped are joined to the top surface to form a gap between the plurality of division units, and the plurality of division units are arranged in an insulator shape. The first and second connecting sheets constituting the first elastic floor plate 9a and the second elastic floor plate 9b, respectively, and the blower mechanism 20 for sending air to the gaps between the plurality of divided units. [Selection] Figure 1

Description

  The present invention relates to a care bed.

  Traditionally, care recipients who are bedridden or have paralysis of their body cannot change their body orientation or posture on their own. It is known that pressure sores (bed slips) occur in the skin when it gets worse. Bed slippage is exacerbated as unhygienic conditions progress due to the accumulation of moisture in the bed. Therefore, there is a need for a care bed with excellent breathability from the viewpoint of prevention of bedsores and prevention of deterioration of care recipients. For example, an air mat on which a care recipient lies is made of a material having breathability. A nursing bed provided with a cell has been proposed (see Patent Document 1).

Japanese Patent Laid-Open No. 11-033002

  However, the technique of Patent Document 1 is not always sufficient for preventing bedsores (decubitus) of care recipients, and further techniques have been demanded.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a care bed that improves the air permeability of the entire inside of the care bed and efficiently dries it, thereby preventing bed slippage (decubitus) of a care recipient.

  In order to achieve the above object, according to a first aspect of the present invention, there is provided a plurality of (a) a plurality of blocks having the same block shape, a hollow cylindrical core portion provided at each lower portion, and vertical end surfaces on both sides. (B) A plurality of divided units are arranged in an insulator shape and mounted, and a plurality of divided units are defined on the upper surface so that a gap is defined between the vertical end faces. And (c) a suspension mechanism that mechanically suspends the hollow cylindrical cores of each of the plurality of division units to set the upper surfaces of the plurality of division units to a plane with a constant height, and (d The gist of the present invention is a care bed provided with a blower mechanism that sends out air to each of the gaps of the plurality of divided units. In the care bed which concerns on the 1st aspect of this invention, let the insulator-like plane comprised by each upper surface of a some division | segmentation unit be the surface of the elastic floor board which integrated the mattress and the bottom.

  ADVANTAGE OF THE INVENTION According to this invention, the care bed which raises the air permeability of the elastic floor board of a care bed, can be dried efficiently, and prevents a care recipient's bed slippage can be provided.

It is a bird's-eye view (perspective view) explaining the outline of the care bed concerning a 1st embodiment typically. It is a bird's-eye view (perspective view) explaining typically the internal structure of the care bed concerning a 1st embodiment of the present invention. It is a top view explaining the internal structure of the care bed concerning a 1st embodiment by plane view. FIG. 4 is a sectional view taken along line AA in FIG. 3. FIG. 5 is a partial cross-sectional view taken along the line BB in FIG. 3 for explaining a connection state between the internal blower pipe and the external blower pipe according to the first embodiment. It is a bird's-eye view (perspective view) explaining the outline of the ventilation pipe concerning a 1st embodiment typically. It is a top view explaining the ventilation state inside the nursing bed which concerns on 1st Embodiment. It is the partially expanded view which expanded the C section in FIG. 5 explaining the ventilation state inside the nursing bed which concerns on 1st Embodiment. It is a side view of the care bed concerning a 1st embodiment. It is sectional drawing explaining the state which accommodates an internal ventilation piping and a division | segmentation unit in the care bed which concerns on 1st Embodiment (the 1). It is sectional drawing explaining the state which accommodates an internal ventilation piping and a division | segmentation unit in the care bed which concerns on 1st Embodiment (the 2). It is a top view explaining the internal structure of the care bed which concerns on the 2nd Embodiment of this invention by planar view. It is a side view explaining the back raising structure of the nursing bed which concerns on other embodiment of this invention. It is a top view explaining the opening-and-closing structure of the side wall part of the care bed concerning other embodiments of the present invention.

  Next, first and second embodiments of the present invention will be described with reference to the drawings. In the following description of the drawings, the same or similar parts are denoted by the same or similar reference numerals. However, it should be noted that the drawings are schematic, and the relationship between the thickness and the planar dimensions, the ratio of the thickness of each layer, and the like are different from the actual ones. Therefore, specific thicknesses and dimensions should be determined in consideration of the following description. Moreover, it is a matter of course that portions having different dimensional relationships and ratios are included between the drawings. The first and second embodiments described below exemplify apparatuses and methods for embodying the technical idea of the present invention, and the technical idea of the present invention is the material of the component parts. The shape, structure, arrangement, etc. are not specified as follows. The technical idea of the present invention can be variously modified within the technical scope defined by the claims described in the claims. Furthermore, the directions of “left and right” and “up and down” in the following description are merely definitions for convenience of description, and do not limit the technical idea of the present invention. Thus, for example, if the paper is rotated 90 degrees, “left and right” and “up and down” are read interchangeably, and if the paper is rotated 180 degrees, “left” becomes “right” and “right” becomes “left”. Of course.

(First embodiment)
--Structure of care bed according to first embodiment--
As shown in FIG. 1, the care bed 100 according to the first embodiment of the present invention includes a bed main body 10 provided on a main body frame 11 and a blower mechanism 20 that sends air into the bed main body 10. Prepare. The bed main body 10 has the same block shape and is provided with a plurality of divided units (9a1, 9a2, 9a,..., 9a10; , 9b2, 9b,..., 9b10) and a plurality of divided units (9a1, 9a2, 9a,..., 9a10; 9b1, 9b2, 9b,. A plurality of divided units (9a1, 9a2, 9a,..., 9a10; 9b1, 9b2, 9b,..., 9b10) are joined to the upper surface so as to define a gap between the end faces. The definition means and the hollow cylindrical cores of the plurality of divided units (9a1, 9a2, 9a,..., 9a10; 9b1, 9b2, 9b,. And a suspension mechanism that sets the upper surface of the plurality of divided units (9a1, 9a2, 9a,..., 9a10; 9b1, 9b2, 9b,. . The blower mechanism 20 sends out air to each of the gaps of the plurality of divided units (9a1, 9a2, 9a,..., 9a10; 9b1, 9b2, 9b,..., 9b10). An elastic floor plate in which a mattress and a bottom are integrated with an insulator-like plane formed by the upper surfaces of a plurality of divided units (9a1, 9a2, 9a,..., 9a10; 9b1, 9b2, 9b,..., 9b10). The surface.

  As shown in FIGS. 2 and 3, the “interval defining means” of the care bed 100 according to the first embodiment includes a plurality of divided units (9a1, 9a2, 9a,..., 9a10; 9b1, 9b2, 9b, .., 9b10) are divided into a first group and a second group, and a plurality of divided units (9a1, 9a2, 9a,..., 9a10) belonging to the first group are joined to the upper surface, and the first group A plurality of divided units (9a1, 9a2, 9a,..., 9a10) constitute a first elastic sheet, and a plurality of divided units (9b1) belonging to the second group as shown in FIG. , 9b2, 9b,..., 9b10) are joined to the top surface, and a second group of second divided units (; 9b1, 9b2, 9b,. The second part of the elastic floor board Includes a connecting sheet 8b of the, the. By dividing a set of a plurality of divided units (9a1, 9a2, 9a,..., 9a10; 9b1, 9b2, 9b,..., 9b10) into a first group and a second group, each has a block shape. It divides | segments into the 1st elastic floor board 9a of the leg side comprised by the some division | segmentation unit 9a1-9a10, 9b1-9b10, and the 2nd elastic floor board 9b of the head side.

  That is, as shown in FIGS. 2 and 3, the first connecting sheet 8a is joined to the bottom of each of the 10 leg-side divided units 9a1 to 9a10 in the form of an insulator, and the divided units 9a1 to 9a10 are joined to the first connecting sheet 8a. A gap is formed in the direction perpendicular to the longitudinal direction of the divided units. As shown in FIG. 3, the second connecting sheet 8 b is formed by joining the bottoms of the ten divided units 9 b 1 to 9 b 10 on the head side like a lever on the upper surface, and connecting the divided units 9 b 1 to 9 b 10 to the divided units. Gaps are formed and arranged in a direction perpendicular to the longitudinal direction.

  As shown in FIG. 1, the care bed 100 according to the first embodiment includes a pair of side wall portions (16 a, 16 b) provided on the side of the first elastic floor plate 9 a and the second elastic floor plate 9 b on the main body frame 11. ) And a holding mechanism (22a, 23a, 24a, 25a, 25b) for holding the first elastic floor plate 9a and the second elastic floor plate 9b at a certain height via the pair of side wall portions (16a, 16b), Is further provided. The care bed 100 is provided inside the pair of side wall portions (16a, 16b), and a pair of rails (6a, 6b) on which the first elastic floor plate 9a and the second elastic floor plate 9b are placed, and a pair of rails. And a storage box 18 that is provided on the first elastic floor plate 9a side of (6a, 6b) and stores the first elastic floor plate 9a.

  In addition, as shown in the broken line in FIG. 1, the nursing bed 100 which concerns on 1st Embodiment attaches the shelf for nursing etc. to the head side edge part of the bed main body 10, and the storage box 18 above. It is also possible. The main body frame 11 is formed of a paper pipe in a rectangular shape (rectangular shape) when viewed from above, and forms a frame that fits and supports the first elastic floor plate 9a and the second elastic floor plate 9b.

  The 1st elastic floor board 9a is a strip | belt-shaped connection body (1st strip | belt-shaped connection body) formed by grouping 10 division | segmentation units 9a1-9a10 which form a group, and the 2nd elastic floor board 9b comprises 10 groups. It is a strip-shaped coupling body (second strip-shaped coupling body) formed by assembling the divided units 9b1 to 9b10. The division units 9a1 to 9a10 and 9b1 to 9b10 are basic units of members formed by dividing the belt-like connector. As shown in FIG. 2, each of the ten divided units 9a1 to 9a10 of the first elastic floor plate 9a includes a suspension base 3a1,... And an intermediate cushioning material layer 4a1, provided on the suspension base 3a1,. .., And upper cushioning material layers 5a1,... Provided on the middle cushioning material layers 4a1,.

  Each of the ten suspension bases 3a1,... Is provided with cylindrical core portions 1a1, 1a2,. Each of the ten suspension bases 3a1,... Is formed in a substantially rectangular parallelepiped shape with a material such as a polymer foam so as to cover the cores 1a1, 1a2,. , 1a2,... 1a5,..., 1a5,. Since the polymer foam is lightweight and has a certain strength and elasticity (cushioning property), it can be suitably used as a material for the moving suspension bases 3a1,. In addition, the polymer foam is inexpensive and high in cost. The cylindrical core portions 1a1, 1a2,... 1a5,... Are made of a paper cylinder having a thickness of about 7 mm to 8 mm, so that strength and light weight can be maintained. The length of one side in the extending direction of the rectangular parallelepiped rails constituting the suspension bases 3a1,... Is about 10 cm, for example, and the length of one side in the axial direction of the core portions 1a1, 1a2,. The length of one side in the up-down direction that becomes the thickness can be about 10 cm.

  Further, each of the ten suspension bases 3a1,... Is arranged in the connecting direction of the belt-like connecting body so that a slight gap is spaced at equal intervals between the end faces of a plurality of rectangular parallelepipeds that are adjacent to each other and face each other. And are arranged closely parallel to each other. An interval w1 between the adjacent suspension bases 3a1,... Can be set to about 8 to 10 mm, for example.

  Each of the ten intermediate cushioning material layers 4a1,... Is formed in a substantially rectangular parallelepiped shape, similar to the suspension base 3a1,..., And the longitudinal direction of the rectangular parallelepiped is the core portions 1a1, 1a2,. .. Are provided on each of the suspension bases 3a1,. As shown in FIG. 8, the intermediate buffer material layers 4a1,... Are formed by laminating a plurality of sheet-like buffer structures. As a sheet-like cushioning structure, a corrugated paper flute is contained inside as a core, and a hollow cardboard, etc., in which the core is sandwiched from above and below by a sheet-like paper liner, is a lightweight elastic structure Ideal as a thing. The dimension of the planar pattern when the intermediate cushioning material layers 4a1,... Are viewed from the upper surface is slightly longer and the width of the planar pattern is slightly longer than the dimension of the planar pattern when viewed from the upper surface of the suspension base 3a1,. Are the same. That is, the interval between the adjacent intermediate cushioning material layers 4a1,... Is shorter than the interval between the suspension bases 3a1,.

  The intermediate cushioning material layers 4a1,... Have elasticity (cushioning property) that absorbs the load from the care recipient who rides on the care bed 100, and reduces repulsion to the care recipient. The cushioning properties of the divided units 9a1 to 9a10 are enhanced by the intermediate cushioning material layers 4a1, ..., and the sleeping comfort is improved. In addition, if corrugated cardboard is used as the buffer structure of the intermediate cushioning material layers 4a1,..., The cardboard is lightweight, so that it can be suitably used as a material for the moving divided unit, and is inexpensive and excellent in cost. The number of layers of the sheet-like buffer structure to be laminated is not limited to the three layers illustrated in FIG. 8, and may be two layers or four or more layers. Further, the thickness (height) of the intermediate buffer material layers 4a1,.

  As shown in FIG. 2, the ten upper cushioning material layers 5a1,... Are formed in a substantially rectangular parallelepiped shape like the intermediate cushioning material layers 4a1,..., And the longitudinal direction of the rectangular parallelepiped is the core portions 1a1, 1a2,. ,... Are provided on each of the intermediate cushioning material layers 4a1,. The upper cushioning material layers 5a1,... Are made of a porous elastic structure formed by molding a polymer foam such as foamed plastic into a rectangular parallelepiped shape. Since the polymer foam is lightweight and has a certain strength and elasticity (cushioning property), it can be suitably used as a material for the moving divided unit, and is excellent in cost because it is inexpensive. If the upper cushioning material layers 5a1,... Are additionally provided with a mesh made of polyester or polyethylene excellent in surface air permeability, water permeability and cushioning properties, the comfort as a care bed is further increased. Can be increased.

  The size of the planar pattern when the upper cushioning material layers 5a1,... Are viewed from the upper surface may be substantially the same as the dimension of the planar pattern when viewed from the upper surfaces of the intermediate cushioning material layers 4a1,. That is, the interval w2 between the adjacent upper cushioning material layers 5a1,... Shown in FIG. 1 is configured to be about 4 to 6 mm like the intermediate cushioning material layers 4a1,..., And the spacing between the suspension bases 3a1,. Also short. Further, the thickness (height) of the upper cushioning material layers 5a1,... May be appropriately changed in consideration of elasticity (cushioning property) and the like. The upper surfaces of the upper cushioning material layers 5a1,... Are integrally used in a cocoon shape, whereby the cocoon-like upper surface of the first elastic floor plate 9a is formed, and cushioning equivalent to a mattress can be realized. Thereby, the 1st elastic floor board 9a has achieved the structure where the bottom and the mattress were integrated.

  As shown in FIGS. 2 and 4, each of the leg-side divided units 9a1 to 9a10 is joined to the upper surface on one end side (the right side in FIG. 4) of the first connecting sheet 8a. They are arranged in parallel. The first connection sheet 8a is made of vinyl, the width is substantially the same as that of the divided units 9a1 to 9a10, and the thickness is about several hundred μm. The ten connecting units 9a1 to 9a10 are integrated by the first connecting sheet 8a, and are aligned at the same height, and a state in which the upper surfaces are integrated is stably formed.

  Each of the core parts (paper tubes) 1a1, 1a2, ... 1a5, ... of the suspension base 3a1, ... is a hollow cylindrical member formed by winding paper, and the core parts 1a1, 1a2, ... 1a5, ... The length in the axial direction can be, for example, about 750 mm to 900 mm, and the inner diameter can be about 28 mm to 30 mm. Since the core parts 1a1, 1a2,... 1a5,... Can be manufactured at low cost, they are excellent in cost. Further, as will be described later, since the divided unit can be moved to the base side, the core portions 1a1, 1a2,... 1a5,..., Which have a simple structure and are light, are the core materials of the suspension base 3a1,. Can be suitably used.

  In addition, the cores 1a1, 1a2,... 1a5,... Have a strength (shear strength) increased to, for example, about 80 kgf to 100 kgf so that the average adult does not bend even if an average adult sits on two or three. ing. If it is necessary to further increase the shear strength, a polyurea resin seamless coating may be applied to at least one of the outer periphery or inner periphery of the core portions 1a1, 1a2,. The polyurea resin is a compound mainly composed of a urea bond formed by a chemical reaction between an isocyanate and an amino group. Polyurea resin coatings are used on the US Department of Defense (Pentagon) floors, columns, and walls, as well as on highways and railroad piers, and on bulletproof panels for army soldiers.

  As shown in FIG. 2, a part of the upper part of the outer peripheral surface is the inner periphery of the upper part of the core parts 1a1, 1a2,... 1a5,. 10a cylindrical axles 7a1, 7a2,... 7a5, provided so as to be in contact with a part of the surface are inserted in parallel with the axes of the core portions 1a1, 1a2,. The outer diameters of the axles 7a1, 7a2, ... 7a5, ... are slightly smaller than the inner diameters of the core parts 1a1, 1a2, ... 1a5, ... so as to realize a certain clearance. That is, ten divided units 9a1 to 9a10 are suspended on ten axles 7a1, 7a2,... 7a5,... Via ten suspension bases 3a1,.

  As shown in FIG. 3, the first wheels 2a1 to 2a10 are respectively provided at the end portions (lower end portions in FIG. 3) of the ten axles 7a1, 7a2,. Are connected. Further, second wheels 2b1 to 2b10 are connected to the end portions (upper end portions in FIG. 3) of the ten axles 7a1, 7a2,... 7a5,. The axles 7a1, 7a2,... 7a5,... Are rotatable while being in contact with the inside of the core portions 1a1, 1a2,... 1a5, so that the first wheels 2a1 to 2a10 and the second wheels 2b1 to 2b10 are Rotates in accordance with the rotation of the axles 7a1, 7a2,. Each of the first wheels 2a1 to 2a10 and the corresponding second wheels 2b1 to 2b10 constitute a total of 10 pairs of wheels (2a1 to 2a10, 2b1 to 2b10). The wheels can be made lightweight using plastic or the like.

  As shown in FIG. 3, the “suspension mechanism” of the care bed 100 according to the first embodiment includes core parts 1 a 1 of a plurality of divided units (9 a 1, 9 a 2, 9 a,..., 9 a 10) belonging to the first group. A group of wheels (2a1, 2a2, 2a,..., 2a10; 2b1, 2b2, 2b,..., 2b10) including a pair of wheels rotatably provided at both ends of 1a2,. A pair of rails (6a, 2a1, 2a2, 2a,..., 2a10; 2b1, 2b2, 2b,..., 2b10) arranged in parallel to each other so as to place each of a pair of wheels. 6b). A plurality of divided units (9a1, 9a2, 9a,..., 9a10) belonging to the first group are moved so that an open space is formed between the first and second elastic floor plates as shown in FIGS. It can be formed.

  The first rail 6a and the second rail 6b are made of, for example, hard plastic, and in a cross section in a direction orthogonal to the direction in which the rail extends, as shown in FIG. 5, the upper part is trapezoidal and goes from the lower part to the upper part. Accordingly, the width appearing in the left-right direction of the cross section becomes shorter. In the cross-sectional view of FIG. 5, the first wheels 2a1 to 2a10 have a recessed portion whose center portion in the width direction is recessed so as to sandwich the shape of the upper side of the trapezoid, and the recessed portion of the first rail 6a By rotating while sandwiching the upper part, it is configured to be movable without coming off the first rail 6a. Similarly to the first wheels 2a1 to 2a10, the second wheels 2b1 to 2b10 have a recessed portion whose center in the width direction is recessed so as to sandwich the shape of the upper side of the trapezoid. By rotating while sandwiching the upper part of the second rail 6b, the second rail 6b is configured to be movable without coming off the second rail 6b.

  As the first wheels 2a1 to 2a10 and the second wheels 2b1 to 2b10 rotate and move freely on the rail, the axle connected to the wheels at both ends moves while rotating, and the outer periphery of the moving axle further moves. Since the inner peripheral surfaces of the suspension bases 3a1,... Are in contact with the surface with a certain clearance, the divided units 9a1 to 9a10 are freely movable.

  The pair of side wall portions (16a, 16b) includes a first side wall portion 16a and a second side wall portion 16b so as to sandwich the first elastic floor plate 9a from both axial ends of the core portions 1a1, 1a2,. Is provided. A pair of side wall parts (16a, 16b) consists of a sheet-like buffer structure including a hollow structure inside such as cardboard. As shown in FIG. 3, the first rail 6a is placed inside the first side wall portion 16a, and the second rail 6b is placed inside the second side wall portion 16b. In addition, a pair of side wall part (16a, 16b) and the 1st elastic floor board 9a of the 2nd elastic floor board 9b from the 1st elastic floor board 9a side so that the 2nd elastic floor board 9b (2nd strip | belt-shaped coupling body) may be pinched | interposed. It extends toward the position on the opposite end side.

  As shown in FIG. 1, the first side wall portion 16 a is formed in a C shape with an outer diameter side being a substantially rectangular parallelepiped, and the longitudinal direction of the rectangular parallelepiped is aligned with the connecting direction of the ten divided units 9 a 1 to 9 a 10. ing. Although the illustration of the cross section is omitted, the first side wall portion 16a is provided in an L shape at a lower portion of the first side wall on which the first rail 6a is placed and a part on the lower portion of the first side wall. A first side wall intermediate buffer material layer, and a first side wall upper buffer material layer provided in an eaves shape on the first side wall intermediate buffer material layer so as to cover the first rail 6a. The first side wall intermediate buffer material layer is formed by stacking a plurality of three buffer structures in the same manner as the intermediate buffer material layers 4a1,... Of the divided units 9a1 to 9a10, and the intermediate buffer material layers 4a1 of the divided units 9a1 to 9a10. It is comprised so that the same height as the upper surface of ... may be made. In addition, the first side wall upper cushioning material layer is made of a polymer foam in the same manner as the upper cushioning material layers 5a1,... Of the divided units 9a1 to 9a10, and the upper cushioning material layers 5a1 of the divided units 9a1 to 9a10. It is comprised so that the same height as the upper surface of ... may be made.

  Further, the second side wall portion 16b is formed in a C shape on the outer diameter side like the first side wall portion 16a, and is provided with the longitudinal direction of the rectangular parallelepiped aligned with the connecting direction of the ten divided units 9a1 to 9a10. Yes. The second side wall portion 16b includes a second side wall lower portion on which the second rail 6b is placed, and a second side wall intermediate cushioning material layer formed in an L shape on a part of the second side wall lower portion. And a second sidewall upper cushioning material layer provided to cover the second rail 6b on the second sidewall intermediate cushioning material layer. Similarly to the intermediate buffer material layers 4a1,... Of the divided units 9a1 to 9a10, the second side wall intermediate buffer material layer is formed by stacking a plurality of three buffer structures, and the intermediate buffer material layers 4a1 of the divided units 9a1 to 9a10. It is comprised so that the same height as the upper surface of ... may be made. Further, the second side wall upper cushioning material layer is made of a polymer foam in the same manner as the upper cushioning material layers 5a1,... Of the divided units 9a1 to 9a10, and the upper cushioning material layers 5a1 of the divided units 9a1 to 9a10. It is comprised so that the same height as the upper surface of ... may be made.

  That is, on the leg side of the bed body 10, the thickness of the intermediate buffer material layers 4a1,... Of the ten divided units 9a1 to 9a10, the first side wall intermediate buffer material layers on the left and right of the ten divided units 9a1 to 9a10, and the first The thicknesses of the two side wall intermediate cushioning material layers are the same. Further, the thicknesses of the upper cushioning material layers 5a1,... Of the ten divided units 9a1 to 9a10 and the thicknesses of the left and right first sidewall upper cushioning material layers and the second sidewall upper cushioning material layers of the ten divided units 9a1 to 9a10. Are the same thickness. Therefore, even when sleeping using the ten divided units 9a1 to 9a10 and a pair of side wall portions (16a and 16b) located on the left and right of the ten divided units 9a1 to 9a10, cushioning properties are provided. Is substantially uniform, and the sleeping comfort is improved. Moreover, as shown in FIG. 1, since the upper surface of ten division units 9a1-9a10 and the upper surface of a pair of side wall part (16a, 16b) are arrange | equalized at substantially the same height, On the leg side, a space in which the width of the upper surfaces of the pair of side wall portions (16a, 16b) is further expanded in the horizontal direction (width direction) can be used on the plane pattern for the width of the upper surfaces of the ten divided units 9a1 to 9a10. .

  Moreover, although illustration is abbreviate | omitted, in a pair of side wall part (16a, 16b), the state to which the position of 1st wheel 2a1-2a10 and 2nd wheel 2b1-2b10 is fixed, and the state to open | release freely are free. A switching device for switching can be provided. For example, the switching device fits to a wheel from above the wheel on a shaft that is rotatably mounted through the wall surfaces of the pair of side wall portions (16a, 16b) and one end of the shaft on the wheel side. It can be configured using a hook or the like having a shaped inner surface. When the ten divided units 9a1 to 9a10 are used with the upper surface aligned, the upper surface of the first elastic floor plate 9a can be stably used if the position of the wheel is fixed by the switching device. Further, when the ten divided units 9a1 to 9a10 move, the fixing of the wheels by the switching device may be released.

  The ten divided units 9b1 to 9b10 of the second elastic floor plate 9b are formed by superposing three layers of a suspension base, an intermediate cushioning material layer, and an upper cushioning material layer, like the first elastic flooring plate 9a. It is configured to have elasticity (cushioning property) and realizes a structure in which the bottom and the mattress are integrated. Axles having the same structure as that of the first elastic floor plate 9a are inserted into the core portion of the suspension base. Further, the ten divided units 9b1 to 9b10 on the head side are arranged in parallel with the lower surfaces of the second connecting sheet 8b joined together in the same manner as the first elastic floor plate 9a, and the upper surfaces are integrated. This state is stably formed. The second connection sheet 8b is made of vinyl, similar to the first connection sheet 8a.

  The ten division units 9b1 to 9b10 on the head side, like the ten division units 9a1 to 9a10 on the leg side, are arranged on a pair of rails (6a, 6b) via axles inserted into the respective cores. Is placed. A pair of fixing portions for fixing the position of the division unit on the pair of rails (6a, 6b) are provided at both ends of the axle inserted into the head-side division units 9b1 to 9b10. For the sake of explanation, the reference numerals of the head-side core part, the axle and the pair of fixed parts are omitted. The pair of head-side fixing portions does not rotate unlike the pair of leg-side wheels. For example, the lower portion that contacts the upper surface of the rail is configured to be flat so as to represent a rectangular shape when viewed from the side. The area in contact with the rail is increased to suppress the movement of the divided unit. Moreover, you may fix by providing another fixing devices, such as a hook, separately in a pair of side wall part (16a, 16b).

  That is, the structure of the second elastic floor plate 9b is common to the first elastic floor plate 9a except that the second elastic floor plate 9b is fixed so as not to move on the pair of rails (6a, 6b). Further, the upper surfaces of the ten divided units 9b1 to 9b10 forming the second elastic floor plate 9b are attached so as to be substantially the same height as the upper surfaces of the ten divided units 9a1 to 9a10 on the leg side.

  The holding mechanism (22a-25a, 22b-25b) is provided in the vicinity of both ends and the center of each of the pair of rails (6a, 6b) of the care bed 100, and is made of a paper pipe attached to the main body frame 11. A leg main body and a leg wheel made of rubber or the like attached to the end of the leg opposite to the main body frame 11 so as to be rotatable are provided. The leg main body is configured to be extendable and retractable so that the height can be easily adjusted, and indirectly lifted so that both ends of the pair of rails (6a, 6b) have the same height. Yes. Note that the holding mechanism (22a to 25a, 22b to 25b) may have a structure that directly supports positions near both ends and the center of each of the pair of rails (6a and 6b).

  The storage box 18 is provided on one end side (left side in FIG. 2) of the pair of rails (6a, 6b) in the connecting direction of the ten divided units 9a1 to 9a10, and includes a plurality of suspension bases 3a1,. The suspension bases 3a1,... Belonging to the first group are accommodated. As shown in FIG. 4, the storage box 18 has a depth corresponding to the height of the holding mechanism (22a-25a, 22b-25b) on one end side of the pair of rails (6a, 6b) along the connecting direction. In addition, it has an L-shape and is provided in a direction orthogonal to the pair of rails (6a, 6b). 4, illustration of the inner axles 7a1, 7a2,... 7a5,... Of the core portions 1a1, 1a2,.

  As shown in FIG. 4, the storage box 18 has a bottom plate 18e disposed so that the main surface is in contact with the floor surface, and a main plate so as to rise upward from an end of the bottom plate 18e opposite to the first elastic floor plate 9a. A vertical plate 18d provided with a vertical surface, a top plate 18c attached so as to protrude horizontally from the surface of the first elastic floor plate 9a on the upper side of the vertical plate 18d, a bottom plate 18e and a vertical plate 18d It has a pair of side plates (18a, 18b) attached to the top plate 18c so as to be simultaneously joined from the side. The bottom plate 18e, the upright plate 18d, the top plate 18c, and the pair of side plates (18a, 18b) form a box-like container having an internal space, and the storage box 18 has a first roller 31 inside the container. And a take-up mechanism having a second roller 32 provided below the first roller 31 and a take-up roller 33 provided between the first roller 31 and the second roller 32. . In the cross-sectional view of FIG. 4, the second side plate 18b located on the far side in the direction perpendicular to the paper surface is shown. Each member constituting the box-shaped container is made of a buffer structure such as cardboard. In addition, in the vicinity of the joint between the upright plate 18d and the top plate 18c inside the container, a plurality of suspension bases 3a1,... A sterilizing lamp 40 is provided for sterilizing and deodorizing using the lamp.

  One end side (the right side in FIG. 4) in which the ten divided units 9a1 to 9a10 of the first connecting sheet 8a are arranged in parallel is located outside the storage box 18, but the divided units 9a1 to 9a10 are arranged. The other end side (the left side in FIG. 4) is disposed inside the storage box 18 and is wound around the outer peripheral surface of the first roller 31 and the outer peripheral surface of the second roller 32, and the other end is the outer periphery of the take-up roller 33. It is attached to the surface.

  The first roller 31 is made of paper and has a hollow cylindrical shape. The first roller 31 is a member that is light in weight and increased in strength, like the core portions 1a1, 1a2, ... 1a5, ... of the ten suspension bases 3a1, .... In the first roller 31, the height of the outermost surface of the uppermost portion is substantially the same as the lower surface of the first connecting sheet 8a to which the lower surfaces of the ten divided units 9a1 to 9a10 in a state of forming a strip-shaped connecting body are joined. It is provided at a height. The width of the first roller 31 is substantially the same as the width of the first connecting sheet 8a, and the first roller 31 is the tenth divided unit located closest to the storage box 18 among the ten divided units 9a1 to 9a10. 9a10 is provided so as to be suspended by a pair of left and right side plates (18a, 18b) of the storage box 18, and is attached to the pair of side plates (18a, 18b) via respective rolling bearings, etc. It is configured to be rotatable with respect to the side plates (18a, 18b).

  Further, the first roller 31 has a gap between the upper end portion and the top plate 18c of the storage box 18 that is longer than the sum of the thickness of the first connecting sheet 8a and the height of one divided unit. As shown, it is provided at a position separated from the top plate 18c. In addition, the first roller 31 has a thickness of the first connecting sheet 8a and a height of one divided unit 9a1 to 9a10 between an end portion on the side of the storage box 18 in the horizontal direction and the standing plate 18d of the storage box 18. It is provided at a position spaced apart from the standing plate 18d so that a gap larger than the sum of the lengths is formed.

  The inner surface of the first connecting sheet 8a is wound around a region opposite to the first elastic floor plate 9a on the upper outer peripheral surface of the first roller 31 (a region having an area of about a quarter of the upper left in the drawing). By attaching, the 1st connection sheet 8a is hung down on the left side of the first roller 31 from the horizontal state on the right side of the first roller 31.

  Similar to the first roller 31, the second roller 32 is made of paper and has a hollow cylindrical shape, and is a member that is lightweight and has increased strength. The length of the second roller 32 in the axial direction is substantially the same width as that of the first connecting sheet 8a, and the second roller 32 is suspended by a pair of left and right side plates (18a, 18b) of the storage box 18. It is provided and is attached to the pair of side plates (18a, 18b) via rolling bearings or the like, respectively, and is configured to be rotatable with respect to the pair of side plates (18a, 18b).

  Further, the second roller 32 is a sum of the thickness of the first connecting sheet 8a and the height of one division unit between the horizontal end of the storage box 18 and the upright plate 18d of the storage box 18. It is provided at a position separated from the upright plate 18d so that a gap having a length equal to or greater than the length is formed. Further, the second roller 32 has a gap between the lower end portion and the bottom plate 18e of the storage box 18 that is equal to or longer than the sum of the thickness of the first connecting sheet 8a and the height of one divided unit. As shown, it is provided at a position separated from the bottom plate 18e.

  The inner surface of the first connecting sheet 8a wraps around the lower half region of the outer peripheral surface on the upper side of the second roller 32, so that the first connecting sheet 8a is moved upward on the left side of the second roller 32. In a state where it hangs down from the first roller 31 side, a state in which it is lifted again toward the take-up roller 33 on the right side of the second roller 32 is formed.

  The winding roller 33 is made of paper and has a hollow cylindrical shape, and is light like the core portions 1a1, 1a2, ... 1a5, ... of the suspension bases 3a1, ... (the suspension bases 3a1, ... belonging to the first group). And it is a member with increased strength. The axial length of the take-up roller 33 is substantially the same width as that of the first connecting sheet 8a, and a pair of left and right side plates (18a, 18a, 18b) of the storage box 18 are provided between the first roller 31 and the second roller 32. 18b). The take-up roller 33 is attached to a pair of side plates (18a, 18b) at both ends in the longitudinal direction via a rolling bearing or the like. The other end of the first connecting sheet 8 a is attached to the outer peripheral surface of the winding roller 33.

  As shown in FIG. 3, a handle 34 that rotates the take-up roller 33 is provided on the second side plate 18 b of the storage box 18 on one end side in the axial direction of the take-up roller 33. The winding roller 33 and the handle 34 are connected to each other, for example, by having a cylindrical end formed on one side so that the outer peripheral surface is fitted to the inner peripheral surface of the winding roller 33 and the other side is winding. A connecting portion having a rod-like shaft portion attached coaxially with the shaft of the roller 33 is used. When this connecting portion is attached to one end side in the axial direction of the take-up roller 33 using a cylindrical end portion, and the handle 34 is attached to the end portion on the storage box 18 side of the shaft portion, The winding roller 33 can be rotated. As the take-up roller 33 rotates, the first connecting sheet 8a is taken up by the take-up roller 33, and the side on which the ten divided units 9a1 to 9a10 are provided is drawn into the storage box 18. Become.

  In the care bed 100 according to the first embodiment, a horizontal path that moves from one end side (the storage box 18 side) of the pair of rails (6a, 6b) to the first roller 31, and the first roller 31 to the second one. After a half turn around the vertical path descending to the roller 32 and the outer peripheral surface of the second roller 32, it rises to the second roller 32 and the take-up roller 33 in the space opposite to the storage box 18 of the second roller 32. The vertical path constitutes the movement path of the first group of divided units 9a1 to 9a10.

  By applying a seamless coating of polyurea resin to the pair of side walls (16a, 16b), the holding mechanism (22a-25a, 22b-25b), the main body frame 11, the storage box 18, etc. Since the resistance and the structural mechanical strength are increased, it is possible to realize a light and solid care bed 100 whose entire structure is composed of paper and polymer foam. The structural mechanical strength can be adjusted by the thickness of the polyurea resin coating.

  As shown in FIG. 3, the air blowing mechanism 20 includes a gas supply device 71 provided outside the main body, an external air supply pipe Pb connected to the gas supply device 71, and legs connected to the external air supply pipe Pb. Side internal ventilation pipes (P1 to P67) and a head side internal ventilation pipe that omits the reference numerals. The gas supply device 71 is connected to a power supply (not shown), and a main power switch and a gas pressure feed operation on / off switch are provided in the middle of the gas supply device 71 and the external blower pipe Pb. A wiring from an operation panel 72 for performing operations such as a timer setting dial incorporating a hot air / cold air switch and a thermostat is connected.

The gas supply device 71 supplies gas to the bed body 10 and pumps it, and may be supplied from a high-pressure gas cylinder, and is composed of an air compressor, a blower, or the like capable of controlling the flow rate and switching between hot air / cold air. it can. As the type of gas, compressed dry air is used because of cost and ease of handling. However, as long as the care bed 100 is dried, oxygen (O ₂ ) and nitrogen (N ₂ ) close to the composition of the air. Other gases such as a mixed gas may be selected as appropriate.

  The external blower pipe Pb is made of, for example, a flexible hose and forms an external path for moving the gas supplied from the gas supply device 71 into the bed body 10. The external blower pipe Pb is bifurcated at the branch point between the gas supply device 71 and the bed body 10 into a leg-side end part Pb1 and a head-side end part Pb2. The leg-side end portion Pb1 is attached to the second side wall portion of the bed main body 10 in the vicinity of the first divided unit 9a1 positioned on the most head side among the 10 leg-side divided units 9a1 to 9a10. It is connected via an external connector 17b. Further, the head-side end portion Pb2 is an external part attached in the vicinity of the first divided unit 9b1 located farthest from the leg side among the ten divided units 9b1 to 9b10 on the head side of the second side wall portion. It is connected via a connector. Although the reference numerals of the head-side external connector are omitted, the structure is the same as the structure of the leg-side external connector 17b.

  As shown in FIGS. 2 and 3, the leg-side internal ventilation pipes (P1 to P67) are pipes meandering so as to be blown in opposite directions through gaps connected to each other. Air can be sent to each of the gaps via the gap. That is, the internal blow pipes (P1 to P67) on the leg side of the care bed 100 according to the first embodiment are configured by 67 blow pipes provided on the first connection sheet 8a. The blower pipes that form the internal blower pipes (P1 to P67) include a plurality of single pipes that extend in a straight line, and a plurality of U-shaped pipes that are arranged between the single pipes. There is. As shown in FIG. 5, of the multiple single pipes, the single pipe facing the leg side end of the external blower pipe via the second side wall portion 16b forms the internal connection pipe Pa1, and the one end side is the first pipe. It connects with the inner wall of 2 side wall parts via an internal connector. In the bed body 10, as shown in FIG. 3, an internal connection pipe Pa1, a plurality of single pipes, and a U-shaped pipe are all arranged coaxially with a uniform gap therebetween. By being used, one air blowing line is formed from one end on the head side of the first elastic floor plate 9a to the other end on the storage box 18 side.

  Each of the single pipe and the U-shaped pipe is a cylinder made of metal such as steel. The single pipe pipes, like the single pipe pipes P11, P12, P14, and P15 illustrated in FIG. 6, have an inner diameter of about 6 to 8 mm, a thickness of about 0.8 to 1.2 mm, and an axial length wp of It can be about 120-140 mm. A gap having a length ws of about 4 to 32 mm is formed between the adjacent single pipes P14 and P15. Moreover, if the single pipe and the U-shaped pipe are made of a material other than metal, for example, a resin such as plastic, the care bed 100 can be further reduced in weight.

  Rectifiers P12a and P14b are provided on the inner peripheral surfaces at both ends in the longitudinal direction of the single pipes P11, P12, P14, and P15, respectively, for promoting the sending and drawing of air. The rectifying parts P12a, P14b are formed in such a way that a plurality of grooves oriented along the axial direction of a single pipe pipe are dug at regular intervals in the circumferential direction of the inner circumferential surface at a constant length. Are formed in parallel.

  The U-shaped pipe has substantially the same inner diameter and thickness as the inner diameter and thickness of the single pipe pipe, like the U-shaped pipe P13 illustrated in FIG. The length of the two U-shaped straight portions in the axial direction is about 120 to 140 mm, which is the same as the length wp of the single pipe, and the interval between the two straight portions is the suspension base 3a1. ,... Are configured to be the same as or slightly longer than the length in the arrangement direction. In addition, a gap having the same length ws as the gap between the single pipes is formed between the U-shaped pipe P13 and the single pipes P12 and P14 adjacent to each other at both ends. In addition, rectifying grooves P13a and P13b are formed at both ends of the U-shaped pipe P13 similarly to the single pipes P11, P12, P14 and P15. The U-shaped pipe is not necessarily limited to a strict U-shape, and may have another shape such as a shape close to a V-shape. Moreover, the dimension of each part of a single pipe and a U-shaped pipe, the number which comprises internal ventilation piping, etc. may be changed suitably.

  As shown in FIG. 5, the second side wall portion 16 b is provided with a hole portion 15 formed so as to penetrate horizontally along the axial direction of the core portions 1 a 1, 1 a 2,. The external connector 17b and the internal connector 17a are connected. An end Pb1 on the leg side of the external blower pipe Pb is fitted inside the external connector 17b. Both the external connector 17b and the internal connector 17a have a hollow cylindrical shape. The external connector 17b has a flange on one end side, and the internal connector 17a also has a flange on the other end side. The external connector 17b and the internal connector 17a are attached by fitting their end portions on the side of the flanges into the holes of the second side wall so that the second side wall is sandwiched between the respective flanges. .

  Each of the end portions of the outer connector 17b and the inner connector 17a on the flange side includes a magnetic material, and is configured so that the magnetism is different from each other. Attract and join with a constant suction. In addition, the magnetic force is adjusted so that the suction force between the two end portions can be easily removed by applying a certain amount of force from the outside and pulling the external connector 17b and the internal connector 17a. .

  The internal connection pipe Pa1 is attached to the second side wall portion so as to be horizontal and parallel to the upper surface of the first connection sheet 8a. Then, as shown in FIG. 5, in the state where the upper part of the outer peripheral surface of the axle 7a1 is in contact with the inner peripheral surface of the upper part of the core part 1a1 and stopped, as shown in FIG. P6 is fixed in the same straight line on the upper surface of the first connection sheet 8a so as to be coaxial with the internal connection pipe Pa1. The six single pipes P1 to P6 are the most legged among the first divided unit 9a1 on the first connecting sheet 8a and the ten divided units 9b1 to 9b10 on the head side on the second connecting sheet 8b. It arrange | positions in the clearance gap between the 10th division | segmentation units 9b10 located in the side (left side in FIG. 3).

  Of the six single pipe pipes P1 to P6, two pipe pipes P6 that face the end on the first wheel 2a1 side of the single pipe pipe P6 that forms the sixth pipe located on the most opposite side of the internal connection pipe Pa1. The U-shaped pipe P7 (seventh pipe) is arranged through a gap so that one of the straight portions is coaxial with the six straight single pipes P1 to P6. The other straight line portion of the U-shaped pipe P7 is between the first divided unit 9a1 and the second divided unit 9a2 adjacent to the storage box 18 side (left side in FIG. 3) of the first divided unit 9a1. It is arranged in the gap.

  At the end of the U-shaped pipe P7 on the other straight line portion side, there are further five single pipes P8 to P12 that are coaxial with the other straight line portion of the U-shaped pipe P7. Are fixed in a straight line on the upper surface. Then, the end of the five straight single pipes P8 to P12 formed in the gap between the first division unit 9a1 and the second division unit 9a2 on the second wheel 2b1 side is 2 A U-shaped pipe P13 (13th pipe) is arranged through a gap so that one straight line portion of the straight line portions is coaxial with the five straight single-pipe pipes P8 to P12. The plurality of single pipes are arranged on the same straight line, and the respective arrangements are repeated so that the U-shaped pipes are interposed at a predetermined pitch among the plurality of single pipes. The last single pipe P67 (the 67th pipe) that terminates one leg-side air blowing line is on the first wheel 2a1 side of the tenth divided unit 9a10 on the first connecting sheet 8a. It is arranged along the side surface on the storage box 18 side at a position near the end.

  As a whole, the leg side internal ventilation pipes (P1 to P67) were bent in a zigzag shape so as to have a hairpin curve with a folding angle of about 180 ° from one end side to the other end side of the first elastic floor plate 9a. The gas that forms a line and flows inside is configured to perform a reciprocating movement that repeats a movement from one end to the other end in the longitudinal direction of the divided units 9a1 to 9a10 and a movement from the other end to the other end. Yes.

  The second elastic floor plate 9b includes a plurality of single pipes and U-shaped pipes in the same manner as the leg-side internal ventilation pipes (P1 to P67), and the first divided unit 9b1 on the head side. From the side toward the tenth divided unit 9b10 side, a head-side internal ventilation pipe is provided that forms a zigzag line that has a hairpin curve with a folding angle of about 180 °. The head-side internal connection pipe Pa2 is connected to the head-side end portion Pb2 of the external blowing pipe Pb via the internal connection tool and the external connection tool. Therefore, the air pressure-fed from the gas supply device 71 is simultaneously sent into the leg side and the head side inside the care bed 100, and the inside of the bed main body 10 is efficiently dried. In addition, about the single pipe pipe and U-shaped pipe which make a head side internal ventilation piping, an internal connection tool, and an external connection tool, the code | symbol addition is abbreviate | omitted.

--Operation of care bed according to first embodiment--
<Blowing action>
First, as shown in FIG. 4, ten divided units arranged closely in parallel along a pair of rails (6a, 6b) inside the bed body 10 of the care bed 100 according to the first embodiment. Each upper surface of 9a1 to 9a10 is connected, and the upper surface of the 1st elastic floor board 9a is formed. Further, similarly to the first elastic floor plate 9a, ten divided units 9b1 to 9b10 are arranged in parallel on the head side, and the upper surfaces of the second elastic floor plates 9b are formed by connecting the upper surfaces thereof. The first elastic floor plate 9a and the second elastic floor plate 9b are integrally used to form a flat and shock-absorbing care bed upper surface on which a care recipient can lie.

  Next, using the operation panel 72, the main power supply of the air blowing mechanism 20 is turned on, the gas pressure switch is turned on, and air at a desired temperature is supplied from the gas supply device 71 as shown in FIG. Send to 10 side. The sent-out air is divided into two directions through the external ventilation pipe Pb, and is connected to the internal connection pipe Pa1 on the leg side via the end part Pb1 on the leg side and to the internal connection on the head side via the end part Pb2 on the head side. It reaches the pipe Pa2.

  Part of the gas that has reached the leg-side internal connection pipe Pa1 moves to the inside of the single pipe P1 (first pipe) on the first connection sheet 8a adjacent to and opposed to the internal connection pipe Pa1. At this time, delivery of gas between the pipes is facilitated by the respective rectifying grooves provided at the end of the internal connection pipe Pa1 and the end of the single pipe P1 (first pipe). Further, the gas other than the delivered gas moves to the outside of the single pipe inside the bed body 10 from the gap between the internal connection pipe Pa1 and the first single pipe P1.

  Even between the single pipe P1 (first pipe) and the single pipe P2 (second pipe) adjacent to the single pipe P1 (first pipe) via a gap, the internal connection pipe Pa1 In the same manner as in the case, a part of the gas is moved and delivered, and gases other than the delivered gas are transferred to the single pipe P1 (first pipe) and the single pipe P2 (second pipe). ) To the outside of the single pipe from the gap between.

  A part of the gas that has moved to the outside of the single pipe is between the suspension bases 3a1 to 3a5 as illustrated by the arrows from the inside to the outside of each of the single pipes P12, P14, P24, and P26 in FIG. Move to the gap between the opposing surfaces. Part of the gas that has moved to the gap contacts the side of the suspension bases 3a1 to 3a5, the base of the suspension bases 3a1 to 3a5 and the upper surface of the first connection sheet 8a, and the inside of the contact portion. The contact portion and the inside of the contact portion are dried.

  Further, the gas that has moved upward from the gap is a gap between the opposed surfaces of the intermediate buffer layers 4a1 to 4a5 above the suspension bases 3a1 to 3a5, and an upper buffer above the intermediate buffer layers 4a1 to 4a5. The gap between the opposing surfaces of the material layers 5a1 to 5a5 is moved. The moved gas contacts the side surfaces of the intermediate buffer material layers 4a1 to 4a5 and the upper buffer material layers 5a1 to 5a5 and also permeates the inside of the contact portion, thereby drying the inside of the contact portion and the contact portion. Part of the gas that has moved upward passes through the gaps between the upper buffer material layers 5a1 to 5a5, moves further upward, and moves to the upper surface side of the divided units 9a1 to 9a5. The moved gas also comes into contact with clothes and the like of a care recipient who is sleeping through a sheet or the like laid on the upper surface side, and is dried.

  The single pipe P1 (second pipe) and the single pipe P3 (third pipe) adjacent to the single pipe P2 (second pipe) via a gap are also provided. Similarly to the case between the (first pipe) and a part of the gas, the gas other than the transferred gas is transferred to the single pipe P2 (second pipe). It moves to the outside of the single pipe pipe from the gap with the pipe pipe P3 (third pipe). A part of the gas that has moved to the outside of the single pipe from the gap is a gas such as the suspension bases 3a1 to 3a5, the first connection sheet 8a, the intermediate buffer material layers 4a1 to 4a5, the upper buffer material layers 5a1,. Accelerates drying of the parts that come into contact. Thereafter, between the single pipe P3 (third pipe) and the single pipe pipe P4 (fourth pipe), the single pipe pipe P4 (fourth pipe) and the single pipe pipe P5 (fifth pipe). Between the pipes and the single pipe P5 (fifth pipe) and the U-shaped pipe P7 (seventh pipe) in order, until the last single pipe P67 (67th pipe). The gas is handed over and the gas is moved through each gap.

  And in the plane parallel to the upper surface on the upper surface of the first connecting sheet 8a from the first division unit 9a1 on the most head side of the first elastic floor plate 9a to the tenth division unit 9a10. The movement of the gas in the direction and the movement of the gas in the direction perpendicular to the upper surface from the upper surface are simultaneously performed. That is, the gas is aerated three-dimensionally inside the bed body 10.

  Similarly to the case of the leg-side internal ventilation pipes (P1 to P67), gas is also supplied to the head-side internal ventilation pipe from the internal connection pipe Pa2 connected to the head-side end portion Pb2 of the external ventilation pipe Pb. It is sent. On the upper side of the second connecting sheet 8b on the head side as well as on the leg side, from the first division unit 9b1 of the second elastic floor plate 9b to the tenth division unit 9b10 located on the most leg side. Ventilate three-dimensionally.

<Movement of the first elastic floor plate>
Next, the operation | movement which moves 10 division | segmentation units 9a1-9a10 which make the 1st elastic floor board 9a of the care bed 100 which concerns on 1st Embodiment is demonstrated. First, as shown in FIG. 9, the bed main body 10 is formed with an integrally flat upper surface using the first elastic floor plate 9a and the second elastic floor plate 9b, and the care recipient M sleeps on the upper surface. It shall be. Further, it is assumed that a toilet tank 50 is stored below the bed body 10 for the care recipient M to add.

  Next, the handle 34 of the storage box 18 of the care bed 100 is rotated in the direction in which the take-up roller 33 is taken up, and the first connecting sheet 8 a is drawn into the storage box 18. Along with the winding operation of the first connecting sheet 8a8, the force that is pulled toward the storage box 18 is applied to the ten divided units 9a1 to 9a10 attached to the first connecting sheet 8a. Then, a pair of wheels (2a1-2a10, 2b1-2b10) rotatably attached to the cores 1a1, 1a2,... 1a5,... Of the suspension base 3a1,. 9a10 is moved to the storage box 18 side along the pair of rails (6a, 6b).

  Along with the movement of the first connecting sheet 8a, the internal blower pipes (P1 to P67) on the first connecting sheet 8a also move to the storage box 18 side together with the ten divided units 9a1 to 9a10. At this time, since the internal connection pipe Pa1 attached to the second side wall portion 16b and the single pipe P1 (first pipe) of the internal ventilation pipe are adjacent to each other through a gap, the single pipe P1 ( Even if all the pipes between the first pipe) and the single pipe pipe P67 (the 67th pipe) move integrally to the storage box 18 side, they do not interfere with the internal connection pipe Pa1.

  In addition, before winding the 1st connection sheet | seat 8a with the winding roller 33, as shown in FIG. 10, the care recipient M who is sleeping on the care bed 100 sits on the 2nd elastic floor board 9b beforehand, etc. If the weight is moved, the winding operation is not hindered. The winding operation is further continued, and all of the ten divided units 9a1 to 9a10 and the first to 67th pipes on the first connecting sheet 8a move into the storage box 18.

  In FIG. 10, a part of the five divided units 9a6 to 9a10 and the internal blower pipes (P1 to P67) move to the inside of the storage box 18, and the five divided units 9a1 to 9a5 and the internal blower pipe ( A state where a part of P1 to P67) remains between the pair of rails (6a, 6b) and a part of the first elastic floor plate 9a is opened is illustrated. At this time, if the sterilization lamp 40 is sterilized by irradiating a part of the five divided units 9a6 to 9a10 and the first to 67th pipes inside the storage box 18, it is effective from the viewpoint of hygiene.

  Next, the handle 34 is further rotated, the first connecting sheet 8a is pulled into the storage box 18, and the remaining five divided units 9a1 to 9a5 and the internal ventilation pipe ( A part of P1-P67) is moved to the storage box 18 side along a pair of rails (6a, 6b).

  At this time, the germicidal lamp 40 is continuously irradiated to the ten divided units 9a1 to 9a10 and the first to 67th pipes inside the storage box 18. After the ten divided units 9a1 to 9a10 and the first to 67th pipes are stored, the position of the handle 34 is fixed and the winding operation is stopped. In FIG. 11, the ten divided units 9a1 to 9a10 and the first to 67th pipes are all housed integrally in the housing box 18, and the entire first elastic floor plate 9a is opened. The state in which the space S is formed is illustrated. After the open space S is formed, the care recipient M who has been waiting on the second elastic floor board 9b can move down to the open space S and use the toilet 50 in the open space S. It becomes possible.

  The nursing bed 100 according to the first embodiment uses the blower mechanism 20 to three-dimensionally gas in the space on the leg side and the head side from one end to the other end in the bottom arrangement direction. Ventilate from inside to outside. Therefore, even if heat or moisture is trapped between the care recipient and the care bed 100, the care bed 100 can be efficiently dried to prevent the bed care of the care recipient.

  Moreover, since the nursing bed 100 according to the first embodiment uses the air blowing mechanism 20 to efficiently dry the nursing bed 100 from the inside, an instrument such as a toilet 50 that promotes moisture below the nursing bed 100. Can be arranged. And the state which forms the upper surface of the 1st elastic floor board 9a in the inside of the care bed 100 by moving 10 division | segmentation units 9a1-9a10, and the 1st elastic floor board 9a does not exist, and upper direction Therefore, for example, if the toilet tub 50 is disposed in the open space S so as to be used, the movement of the care recipient is extremely easy. Become.

  Moreover, according to the care bed 100 which concerns on 1st Embodiment, since it becomes possible to move using the structure which divided | segmented the 1st elastic floor board 9a into 10 division | segmentation units 9a1-9a10, the curvature radius of A moving path having a small curve is formed, and the first elastic floor plate 9a can be moved. And the storage box 18 is comprised so that the path | route which combined the curve with a small curvature radius may be included, and the 10 division | segmentation units 9a1-9a10 are moved to a space-saving inside the storage box 18, and it can store compactly. Therefore, there is not much surplus space in the leg portion of the care bed 100, and the care bed 100 having excellent air permeability can be disposed even in a limited place.

  In addition, the nursing bed 100 according to the first embodiment is configured by using a large number of sheet-like cushioning structures including a hollow structure inside the core portions 1a1, 1a2, ... 1a5, ..., cardboard, etc. Almost all members can be realized with paper. Therefore, the care bed 100 according to the first embodiment is lightweight, and can easily perform the winding operation of the first connection sheet 8a. In addition, since many materials that are simple and available at low cost are used, the manufacturing is easy and the cost is excellent.

  Moreover, since the some division | segmentation unit 9a1-9a10, 9b1-9b10 each contains the hollow cylindrical core parts 1a1, 1a2, ... 1a5, ... in the nursing bed 100 which concerns on 1st Embodiment, from the ventilation mechanism 20 When the delivered gas moves inside, the care bed 100 according to the first embodiment passes through the inside of the core portions 1a1, 1a2,. Can be dried.

(Second Embodiment)
-Care bed according to the second embodiment-
The nursing bed according to the second embodiment of the present invention shown in FIG. 12 has the same block shape as that shown in FIG. 1, and is provided with a hollow cylindrical core portion at each lower part. A plurality of divided units (9a1, 9a2, 9a,..., 9a10; 9b1, 9b2, 9b,..., 9b10) and a plurality of divided units (9a1, 9a2, 9a,..., 9a10) ; 9b1, 9b2, 9b,..., 9b10) are arranged in an insulator shape and mounted, and a plurality of divided units (9a1, 9a2, 9a,..., 9a10; 9b1, 9b2, 9b,..., 9b10) are joined to the upper surface by sheet-like interval defining means, and a plurality of divided units (9a1, 9a2, 9a,..., 9a10; 9b1, 9b2, b,..., 9b10) by mechanically suspending the respective hollow cylindrical cores, a plurality of divided units (9a1, 9a2, 9a,..., 9a10; 9b1, 9b2, 9b,. 9b10) is basically the same as the care bed 100 according to the first embodiment in that it includes a suspension mechanism that sets the upper surface of a flat surface at a certain height and a blower mechanism 20z that sends out air to each of the gaps. It is.

  That is, the upper surface of each of the plurality of divided units (9a1, 9a2, 9a,..., 9a10; 9b1, 9b2, 9b,..., 9b10) is basically similar to the care bed 100 according to the first embodiment. The insulator-like plane constituted by the above is defined as the surface of the elastic floor board in which the mattress and the bottom are integrated. As shown in FIG. 12, the “interval defining means” of the care bed according to the second embodiment includes a plurality of divided units (9a1, 9a2, 9a,..., 9a10; 9b1, 9b2, 9b,. , 9b10) is divided into a first group and a second group, a plurality of divided units (9a1, 9a2, 9a,..., 9a10) belonging to the first group are joined to the upper surface, and a plurality of first groups The first connecting sheet 8a constituting the first elastic floor plate by the divided units (9a1, 9a2, 9a,..., 9a10) and a plurality of divided units (9b1, 9b2, 9b,...,. 9b10) are joined to the upper surface, and a second elastic floor plate is formed by a second group of divided units (; 9b1, 9b2, 9b,..., 9b10) that constitutes a second elastic floor plate continuous to the first elastic floor plate. Connecting sheet 8b and Including the. The heights of the upper surfaces of the first elastic floor plate and the second elastic floor plate are held at a constant height by the holding mechanism (22a to 25a, 22b to 25b).

  However, instead of forming a gap between the single pipe and the U-shaped pipe and using it as an opening for the gas in the internal ventilation pipes (P1 to P67), a single long pipe Pz is zigzag from the beginning. A characteristic of the first embodiment is that a gas blower is formed by bending and forming holes h1, h2, h3,... Penetrating through the wall surface of the pipe Pz between both ends of the pipe Pz to constitute a gas opening. This is different from the care bed 100 according to the above. Another feature, that is, the “suspension mechanism” of the care bed according to the second embodiment, is the core portions 1a1, 1a2, of the plurality of divided units (9a1, 9a2, 9a,..., 9a10) belonging to the first group. ... a group of wheels (2a1, 2a2, 2a,..., 2a10; 2b1, 2b2, 2b,..., 2b10) and a group of wheels ( 2a1, 2a2, 2a,..., 2a10; 2b1, 2b2, 2b,..., 2b10), a pair of rails (6a, 6b) arranged in parallel to each other so as to place each of the wheels. ), Or a pair of rails (6a, 6b) at one end of the pair of rails (6a, 6b) so as to have a depth corresponding to the height of the holding mechanism (22a-25a, 22b-25b). Orthogonal to 6b) And a storage box 18 that has ten winding units 9a1 to 9a10 belonging to the first elastic floor plate 9a and that has a winding mechanism for the first connection sheet 8a, and has a winding mechanism for the first connection sheet 8a. This is basically the same as the care bed 100 according to the embodiment.

  Further, the nursing bed according to the second embodiment also moves the ten divided units 9a1 to 9a10 belonging to the first elastic floor plate 9a to the storage box 18 in the same manner as the nursing bed 100 according to the first embodiment. An open space S can be formed between the first side wall portion 16a and the second side wall portion 16b. Also, in the nursing bed according to the second embodiment, polyurea resin seamless coating or the like is applied to the holding mechanism (22a to 25a, 22b to 25b), the main body frame 11 or the like, as necessary. Thus, it is possible to increase the impact resistance and structural mechanical strength of the paper material. Therefore, according to the nursing bed according to the second embodiment, it is possible to realize a lightweight and rigid nursing bed whose entire structure is made of paper and polymer foam.

(Other embodiments)
Although the present invention has been described with reference to the first and second embodiments, it should not be understood that the descriptions and drawings constituting a part of this disclosure limit the present invention. From this disclosure, it should be understood that various alternative embodiments, examples, and operational techniques will become apparent to those skilled in the art.

  For example, although not shown in FIG. 13, the part of the main body frame 11 that is positioned below the second elastic floor plate 9 b and the part that is positioned below the first elastic floor plate 9 a are divided. And you may comprise the care bed which has the bed main body 10a which attached to the main body frame 11 located in the lower part of the divided | segmented 2nd elastic floor board 9b the standing assistance apparatus 60 which raises a care recipient's back. The stand-up assisting device 60 has a rod 61 whose length protruding from the cylinder of the main body can be adjusted in a telescopic manner using a driving device such as a motor. One end of the rod 61 is rotatably attached to the tip of the rod 61. And the other end of the shaft 62 is attached to a portion of the main body frame 11 positioned below the second elastic floor plate 9b using a metal support fitting. The illustration of the drive device and the support bracket is omitted for the sake of explanation.

  After the ten divided units 9a1 to 9a10 constituting the first elastic floor plate 9a have moved, the mounting position of the rod 61 and the shaft 62 is adjusted by operating the standing assistance device 60 so as to shorten the protruding length of the rod 61. Retreat. Then, by rotating the shaft 62 around the attachment position and lifting the main body frame 11 attached to the other end of the shaft 62, the second elastic floor plate 9b is inclined from the horizontal state where the upper surface is along the floor surface. Stand up like so. As described above, the care bed may be configured to assist the operation of raising the back of the care recipient.

  Further, as shown in FIG. 14, the first side wall is divided into a first side wall 16a1 on the leg side and a first side wall 16a2 on the head side, and the first side wall 16a1 on the leg side is further divided. A first side wall portion (16a1, 16a2) divided into a fixed side wall portion 26 provided on the storage box 18 side and a movable side wall portion 27 connected to the fixed side wall portion 26 by a member such as a hinge 28 or the like. You may comprise a nursing bed so that the bed main body 10b which has it may be provided. The hinge 28 is attached across the outer surface of the fixed side wall portion 26 and the outer surface of the movable side wall portion 27. Although not shown, the first rail 6a is divided into a fixed rail part and a movable rail part inside the bed body 10b, and the fixed rail part is mounted on the bottom surface inside the fixed side wall part 26. In addition, the movable rail portion is placed on the bottom surface inside the movable side wall portion 27.

  Therefore, when the leg-side first side wall portion 16a1 and the head-side first side wall portion 16a2 are integrally connected to the side of the first elastic floor plate, the fixed rail portion of the first rail and the movable rail are provided. The parts are also connected in a straight line, and the split unit can be moved using a straight rail. The first side wall 16a1 on the leg side is the first rail when the movable side wall 27 is rotated to the outside of the first elastic floor plate 9a with respect to the fixed side wall 26 about the axis of the hinge 28. The movable rail portion also rotates outward along with the movable side wall portion 27. That is, a partial region of the rail is configured to be detachable from the first elastic floor plate 9a.

  When the split unit is stored in the storage box 18 and the open space S is formed in the region corresponding to the pair of rails, the movable side wall portion 27 rotates and an opening is formed in the first side wall portion 16a1 on the leg side. As a result, the open space S communicates with the outside of the bed main body 10b. The care recipient can easily move from the inside of the care bed to the outside. Moreover, as illustrated in FIG. 14, a wheelchair 80 can be arranged in the open space S to facilitate boarding and movement of the care recipient in the wheelchair 80.

  As described above, the present invention includes various embodiments and the like that are not described in the present specification and drawings, and the technical scope of the present invention is specified by the invention according to the scope of claims reasonable from the above description. It is determined only by.

1a1 to 1a5 Core part 2a1 to 2a10 First wheel 2b1 to 2b10 Second wheel 3a1 to 3a5 Suspension base 4a1 to 4a5 Intermediate buffer material layer 5a1 to 5a5 Upper buffer material layer 6a First rail 6b Second rail 7a1 -7a5 Axle 8a 1st connection sheet 8b 2nd connection sheet 9a 1st elastic floor board (1st strip | belt-shaped connection body)
9a1 to 9a10 Dividing unit 9b Second elastic floor board (second strip-shaped connecting body)
9b1 to 9b10 Dividing unit 10 Bed main body 11 Main body frame 16a First side wall 16b Second side wall 17a Leg side internal connector 17b Leg side external connector 18 Storage box 18a First side plate 18b Second side plate 18c Plate 18d Standing plate 18e Bottom plate 20 Blower mechanism 21 Body frames 22a to 25a, 22b to 25b Holding mechanism 31 First roller 32 Second roller 33 Winding roller 34 Handle 40 Sterilization lamp 50 Toilet tub 71 Gas supply device 72 Operation panel 100 Nursing care Bed wp Length of single pipe pipe ws Length of gap M Care recipients P1 to P67 Pipe (internal ventilation pipe)
P12a, P13a, P13b, P14b Rectification groove Pa1 Leg side internal connection pipe Pa2 Head side internal connection pipe Pb External air blow pipe Pb1 Leg side end Pb2 Head side end S Open space

Claims (9)

A plurality of divided units having the same block shape, each having a hollow cylindrical core portion at the lower portion thereof and having vertical end surfaces on both sides,
The plurality of divided units are arranged in an insulator shape and mounted, and each of the plurality of divided units is joined to the upper surface so as to define a gap between the vertical end surfaces, and sheet-like interval defining means,
A suspension mechanism for mechanically suspending the hollow cylindrical cores of the plurality of divided units to set the upper surfaces of the plurality of divided units to a plane having a constant height;
A blower mechanism for sending air to each of the gaps;
The nursing bed is characterized in that the insulator-shaped flat surface formed by the upper surfaces of the plurality of divided units is the surface of the elastic floor board.   The air blowing mechanism sends out air to each of the gaps through holes or gaps of pipes meandering so as to be blown in opposite directions between the gaps connected to each other. The care bed according to 1. Wherein each of the plurality of divided units, claims wherein the hollow cylindrical laminated structure of a rectangular parallelepiped-shaped suspension base having a core-based, characterized in that to achieve the same block-shaped 2. The care bed according to 2 .   The each of the plurality of divided units further includes an intermediate cushioning material layer in which a plurality of sheet-like cushioning structures are stacked on the suspension base. Nursing bed.   5. The care bed according to claim 4, wherein each of the plurality of divided units further includes an upper cushioning material layer made of a porous structure on the intermediate cushioning material layer. The interval defining means includes
The set of the plurality of divided units is divided into a first group and a second group, each of the plurality of divided units belonging to the first group is joined to an upper surface, and a first elasticity is obtained by the plurality of divided units of the first group. A first connecting sheet constituting a floor board;
Each of the plurality of divided units belonging to the second group is joined to the upper surface, and a second connecting sheet that constitutes a second elastic floor plate continuous with the first elastic floor plate by the plurality of divided units of the second group When,
The nursing bed according to claim 5, comprising: The suspension mechanism is
A wheel group consisting of a pair of wheels rotatably provided at both ends of each of the core portions of the plurality of divided units belonging to the first group;
A pair of rails arranged in parallel to each other so as to place each of the pair of wheels constituting the wheel group;
The open space can be formed between the first elastic floor board and the second elastic floor board by moving the plurality of divided units belonging to the first group. bed.   The nursing bed according to claim 7, further comprising a stool in a position below the first elastic floor board at a position where the open space is formed.   One end of the pair of rails has a winding mechanism for the first connection sheet, and the plurality of divided units belonging to the first group are wound by winding the first connection sheet. The care bed according to claim 7 or 8, characterized in that.

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