CN110302021A - It is a kind of to be conveniently replaceable the nursing hospital bed of sheet - Google Patents

Abstract

The invention relates to a nursing bed which is easy to change bed sheets, belongs to medical auxiliary equipment, and provides a kind of reasonable structure design, convenient and fast use, which can be fast and stable for some patients who cannot move by themselves or have a large range of movement. The operation of changing the bed sheet will not affect the normal treatment of the patient, which greatly reduces the workload of the medical staff. The technical solution adopted is to support the patient by moving the upper sleeper and lower sleeper to the appropriate position to avoid the patient's When the bed sheet is dropped, the mattress can be lifted and lowered stably through the lifting device, the velcro surface on the bed sheet is bonded to the velcro hook surface on the transmission belt, and finally the bed sheet is pulled from one end of the hospital bed through the transmission belt by turning the rotating disc At the other end, the lifting device rises so that the bed sheet and mattress are in the load-bearing position, and finally the upper sleeper and lower sleeper are retracted, and the bed sheet is bonded by Velcro to fix it.

Description

A Nursing Bed Convenient for Changing Sheets

technical field

The invention relates to medical auxiliary equipment, in particular to a nursing bed which is convenient for changing bed sheets.

Background technique

At present, hospital beds can also be called medical beds, nursing beds, etc. They are beds used by patients during recuperation or monitoring. They are mainly used in major hospitals, township health centers, and community health service centers. Among them, the workload of bed sheet replacement is the largest. First, lift the mattress, untie the knots between the bed sheet and the hospital bed, take out the bed sheet, replace the bed sheet, and re-knot. Although the work is simple, it is cumbersome. , it will take more time and energy for medical staff, and it is more troublesome to change the bed sheets of patients who have been in a coma and paralysis state for a long time or have fractures and injuries and cannot move freely. Because the patient may be inhaling oxygen, infusion or cannot have a large external force, the operation of changing the bed sheet needs to be more cautious, which brings great inconvenience to the work of the medical staff.

Contents of the invention

The present invention aims to solve the problems in the above-mentioned prior art, and provides a nursing bed that is convenient for bed sheet replacement. , The operation of changing the bed sheets smoothly will not affect the normal treatment of patients, which greatly reduces the workload of medical staff.

The technical scheme adopted by the present invention to solve the technical problem: the nursing bed for bed sheet replacement includes two support plates arranged in parallel at the front and rear, connecting plates are fixedly connected between the left and right ends of the support plates at the front and rear, and the support plates at the front and rear are fixedly connected to each other. The support plate and the left and right connecting plates form a support platform, and the support feet are fixedly connected around the lower side of the support platform, and the base plate is fixedly connected to the lower end of the support feet. There is a first storage cavity at the lower end of the groove, a second storage cavity at the upper end of the inner side of the connecting plate on the left and right, a second sliding groove at the lower end of the second storage cavity, and an upper horizontal plate in the second storage cavity on the left and right. The front and rear ends of the upper lying board are slidably connected to the inner side of the first sliding groove, and the lower sleeping board located at the lower end of the upper sleeping board is arranged in the first storage cavity at the front and rear, and the left and right sides of the lower sleeping board One end of the first connecting rod is fixedly connected to the center of the front and rear ends of the upper horizontal board on the left and right, and one end of the first connecting rod is fixedly connected to the inner side of the second sliding groove. The first connecting groove connected with the first sliding groove, the other end of the first connecting rod is provided with a first handle connected to the outside of the support plate through a rotating shaft, and the left and right ends of the lower lying plate One end of the second connecting rod is fixedly connected to the central position, the second connecting rod is provided with a second connecting groove opened in the connecting plate and connected with the second sliding groove on the outside, and the other end of the second connecting rod is provided with There is a second handle connected to the outside of the connecting plate through a rotating shaft;

The upper center of the base plate is provided with a lifting device, the upper end of the lifting device is fixedly connected with a lifting plate, the upper center of the lifting plate is fixedly connected with a mattress, the upper end of the mattress is covered with an elastic cotton layer, and the elastic The upper end of the cotton layer is covered with a bed sheet, the bed unit is located at the center of the lower side of the support platform, and the front and rear sides of the lifting plate are provided with traction devices located on the outside of the mattress. The bearing seat on the upper side of the left and right ends of the plate, the inner side of the left and right bearing seat is connected to the transmission shaft, the left end of the transmission shaft is provided with a lifting groove on the support foot, and the left end of the rotating shaft passes through The lifting groove is fixedly connected with a rotating disk located on the outside of the supporting feet, and there are several transmission wheels fixedly connected on the outside of the transmission shaft between the left and right bearing seats. The accommodating groove corresponding to the transmission wheel, the transmission belt is connected between the front and rear transmission wheels, the outer center of the transmission belt is fixedly connected with the Velcro hook surface, the upper end of the transmission belt is located at the lower side of the bed sheet, and the lower side of the bed sheet is fixed The hook surface of the Velcro is connected with the Velcro hook surface, and the lower end of the transmission belt is located inside the accommodating groove.

In order to be further improved, the lifting device includes a first fixed rod fixedly connected to the front and rear sides of the upper surface of the base plate and a second fixed rod fixedly connected to the front and rear ends of the lower surface of the lifting plate. The inner side is provided with one end of the first elevating rod connected through the rotation of the first rotating shaft, and the inner side of the right end of the first fixed rod is respectively provided with one end of the second elevating rod connected through the second rotating shaft. The outer side of the rotating shaft is provided with a third sliding groove opened on the inside of the first fixed rod, and the other ends of the first elevating rod are respectively connected to the inner side of the right end of the second fixed rod through the third rotating shaft. The outside of the three rotating shafts is provided with a fourth sliding groove on the second fixed rod. The other ends of the second elevating rods are respectively connected to the inner side of the left end of the second fixed rod through the fourth rotating shaft. The middle ends of the first elevating rod and the second elevating rod are rotationally connected by the fifth rotating shaft, and the first elevating rod and the second elevating rod are fixedly connected with reinforcing rods located at the left and right ends of the first elevating rod and the second elevating rod respectively. Rod, the central position of the upper end of the reinforcing rod on the lower side of the right end is provided with a rotating support seat, and the inner side of the rotating support seat is provided with a hydraulic cylinder connected by a rotating shaft, and the outer side of the middle end of the fifth rotating shaft is fixedly connected with The fixed cylinder between the second elevating rods, the upper side of the front and rear ends of the fixed cylinder are fixedly connected with the fixed seat, and the connecting shaft is fixedly connected between the front and rear fixed seats, and the piston end of the hydraulic cylinder is welded with a The fixed ring on the outside of the connecting shaft provides the power of the lifting device through the hydraulic cylinder, so that the lifting process of the lifting device is stable.

Further improvement, universal wheels are fixedly connected around the lower surface of the base plate to facilitate the mobile use of the hospital bed.

Further improvement, support blocks are provided on the lower side of the left and right connecting plates, the front and rear ends of the support blocks are fixedly connected between the front and rear support feet, and the left and right ends of the front and rear support plates are provided with holes located in the first storage area. The first guide rail groove at the lower end of the cavity, the second guide rail groove opened on the inner side of the lower end of the connecting plate is provided between the front and rear first guide rail grooves, and the support foot and the upper end of the support block are fixedly connected to the first guide rail groove. The sliding track in the groove and the second guide rail groove, the inner side of the upper end of the sliding track is provided with a mounting groove, and the inner side of the mounting groove is provided with rollers that are connected to the left and right walls of the inner side of the mounting groove through a rotating shaft. The bottom of the first guide rail groove and the second guide rail groove are contacted and connected, the lower end of the roller is connected with the bottom of the installation groove, and the left and right walls of the first guide rail groove are provided with card slots located at the front and rear ends of the sliding track. A limit plate is arranged in the card slot, the left end of the limit plate is located outside the support plate, a first guide rail groove and a second guide rail groove are arranged on the hospital bed, a support block is provided between the front and rear support feet, and a support block is provided between the support blocks. The upper end is provided with a sliding track, which makes the support platform on the upper end of the hospital bed easy to move, and facilitates the transfer of the patient bed.

To further improve, several rotating bases are uniformly arranged from left to right on the top of the front and rear support plates. Fixedly connected with foot position railings, and fixedly connected with head-limiting railings on the upper side of the right end of the front and rear support plates, so as to prevent patients from falling from the hospital bed and play a protective role for patients.

Further improvement, the front side of the lower end of the supporting foot is fixedly connected with a positioning protrusion, and the rear side of the lower end of the supporting foot at the rear end is provided with a positioning groove corresponding to the positioning protrusion, and a corresponding positioning protrusion and positioning groove are provided. , to facilitate the positioning between the two hospital beds, so that the support platform can accurately slide from the sliding track of one hospital bed to the upper end of the sliding track of the other hospital bed when moving.

Further improvement, the left and right ends of the sliding guide rail are provided with a contact part, the contact part is a semicircular structure, the contact part is in contact with the first guide rail groove and the second guide rail groove, and the contact part is set as a semicircular structure, so that The gap between the sliding guide rail and the first guide rail groove and the second guide rail groove is reduced, so that the vibration of the supporting platform is reduced when moving, and the sliding is more stable, and the distance between the contact part and the first guide rail groove and the second guide rail groove The contact area is small, so that the power required for sliding is small, making the operation of changing the bed easier, and even a single person can easily complete it.

The beneficial effects of the present invention are: the present invention has a reasonable structural design, is convenient and fast to use, is provided with an upper sleeper board and a lower sleeper board to support the patient to prevent the patient from falling when changing sheets, and is provided with a lifting device to realize stable lifting of the mattress, There is a bed sheet with Velcro on the rough side. The new bed sheet is pulled from one end of the bed to the other through the transmission belt, and the old bed sheet is removed at the same time. , it is no longer necessary to fix the bed sheets with knots. For some patients who cannot move by themselves or have a large range of movement, the operation of changing the sheets can be performed quickly and smoothly without affecting the normal treatment of the patients. workload of medical staff.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is an enlarged view of part D in Fig. 1;

Fig. 3 is a side view of the present invention;

Fig. 4 is an enlarged view of part E in Fig. 3;

Fig. 5 is the view on F-F direction of Fig. 3;

Fig. 6 is an enlarged view of part A in Fig. 5;

Figure 7 is an enlarged view of part B in Figure 5;

Fig. 8 is an enlarged view of part C in Fig. 5;

Figure 9 is a top view of the rollers, supporting feet and supporting blocks;

Figure 10 is a top view of the support plate and the connecting plate;

Fig. 11 is a schematic diagram of the position of the upper lying board and the lower sleeping board when in use.

Explanation of reference signs: 1. Supporting plate, 2. Connecting plate, 3. Supporting feet, 4. Base plate, 5. First sliding groove, 6. First storage chamber, 7. Second storage chamber, 8. Second Sliding groove, 10, upper lying board, 11, lower lying board, 12, first connecting rod, 13, first connecting groove, 14, first grip, 15, second connecting rod, 16, second connecting groove, 17. Second handle, 18. Lifting plate, 19. Mattress, 20. Elastic cotton layer, 21. Bed sheet, 22. Bearing seat, 23. Transmission shaft, 24. Lifting groove, 25. Rotary disc, 26. Transmission Wheel, 27, accommodating groove, 28, transmission belt, 29, Velcro hook surface, 30, Velcro rough surface, 31, the first fixed rod, 32, the second fixed rod, 33, the first rotating shaft, 34, the first One lifting rod, 35, the second rotating shaft, 36, the second lifting rod, 37, the third sliding groove, 38, the third rotating shaft, 39, the fourth sliding groove, 40, the fourth rotating shaft, 41, the fifth Rotary shaft, 42, reinforcing rod, 43, rotating support seat, 44, hydraulic cylinder, 45, fixed cylinder, 46, fixed seat, 47, connecting shaft, 48, fixed ring, 49, universal wheel, 50, support block, 51, the first guide rail groove, 52, the second guide rail groove, 53, the sliding track, 54, the installation groove, 55, the roller, 56, the card slot, 57, the limit plate, 58, the rotating base, 59, the guardrail bar, 60 , fixed connecting rod, 61, foot position railing, 62, head limit railing, 63, positioning projection, 64, positioning groove, 65, contact part.

Detailed ways

The present invention will be further described below in conjunction with accompanying drawing:

Referring to accompanying drawings 1-11: in this embodiment, a nursing bed that is convenient for bed sheet replacement includes two support plates 1 arranged in parallel at the front and rear, and connecting plates 2 are fixedly connected between the left and right ends of the support plates 1 at the front and rear. The support plate 1 and the left and right connecting plates 2 form a support platform, and the support feet 3 are fixedly connected around the lower side of the support platform, and the lower ends of the support feet 3 are fixedly connected with the base plate 4, and the upper ends of the inner sides of the front and rear support plates 2 are opened. There is a first sliding groove 5, a first storage chamber 6 is opened at the lower end of the first sliding groove 5, a second storage chamber 7 is opened at the inner upper end of the left and right connecting plates 2, and a second sliding groove 8 is opened at the lower end of the second storage chamber 7 The left and right second storage chambers 7 are provided with an upper lying board 10, the front and rear ends of the left and right upper sleeping boards 10 are slidably connected to the inside of the first sliding groove 5, and the front and rear first storage chambers 6 are provided with There is a lower sleeping board 11 located at the lower end of the upper sleeping board 10, the left and right ends of the lower sleeping board 11 are slidably connected to the inner side of the second sliding groove 8, and the center positions of the front and rear ends of the upper sleeping board 10 are left and right. One end of the first connecting rod 12 is fixedly connected, and the outer side of the first connecting rod 12 is provided with a first connecting groove 13 opened in the support plate 1 and connected with the first sliding groove 5, and the first connecting rod 12 The other end is provided with a first handle 14 connected to the outside of the support plate 1 through a rotating shaft, and one end of the second connecting rod 15 is fixedly connected to the center position of the left and right ends of the lower lying plate 11. The outside of the second connecting rod 15 is provided with a second connecting groove 16 opened in the connecting plate 2 and connected to the second sliding groove 8, and the other end of the second connecting rod 15 is provided with a rotating shaft connected to the The second handle 17 on the outside of the connecting plate 2, the center of the upper end of the base plate 4 is provided with a lifting device, the upper end of the lifting device is fixedly connected with a lifting plate 18, and the center of the upper end of the lifting plate 18 is fixedly connected with a mattress 19 , the upper end of the mattress 19 is covered with an elastic cotton layer 20, the upper end of the elastic cotton layer 20 is covered with a bed sheet 21, the bed sheet 21 is located at the center of the lower side of the support platform, and the front and rear sides of the lifting plate 1 are provided with The traction device located on the outside of the mattress 19, the front and rear traction devices include bearing housings 22 fixedly connected to the upper sides of the left and right ends of the lifting plate 18, and the inner sides of the left and right bearing housings 22 are rotatably connected to the transmission shaft 23. The outside of the left end of the transmission shaft 23 is provided with a lifting groove 24 opened on the supporting foot 3, and the left end of the rotating shaft 23 passes through the lifting groove 24 and is fixedly connected with a rotating disk 25 located on the outside of the supporting foot 3. There are several transmission wheels 26 fixedly connected to the outside of the transmission shaft 23 between the left and right bearing seats 22, and the lower end of the mattress 19 is provided with a receiving groove 27 corresponding to the transmission wheels 26. A transmission belt 28 is connected between the wheels 26, and the outer center of the transmission belt 28 is fixedly connected with a Velcro hook surface 29. The hook surface 29 is glued to the Velcro rough surface 30, and the lower end of the transmission belt 28 is located in the receiving groove 2 7. Inside, the lifting device includes first fixed rods 31 fixedly connected to the front and rear sides of the upper surface of the base plate 4 and second fixed rods 32 fixedly connected to the front and rear ends of the lower surface of the lifting plate 18. The inner side of the left end of the first fixed rod 31 is respectively provided with one end of the first elevating rod 34 connected by the first rotating shaft 33, and the inner side of the right end of the first fixed rod 31 is respectively provided with the first lifting rod 34 connected by the second rotating shaft 35. One end of the two elevating rods 36, the outside of the second rotating shaft 35 is provided with a third sliding groove 37 opened on the inside of the first fixing rod 31, and the other ends of the first elevating rods 34 in the front and rear are respectively rotated through the third rotation. The shaft 38 is rotatably connected to the inside of the right end of the second fixed rod 32, and the outside of the third rotating shaft 38 is provided with a fourth slide groove 39 opened on the second fixed rod 32, and the other end of the second elevating rod 36 before and after The fourth rotating shaft 40 is respectively connected to the inner side of the left end of the second fixed rod 32. The middle ends of the first elevating rod 31 and the second elevating rod 32 are rotationally connected by the fifth rotating shaft 41. Between the rod 31 and the second elevating rod 32 are fixedly connected reinforcing rods 42 respectively located at the left and right ends of the first elevating rod 31 and the second elevating rod 32, and the central position of the upper end of the reinforcing rod 42 on the lower right side is provided with a rotating support seat 43 , the inner side of the rotating support base 43 is provided with a hydraulic cylinder 44 connected through a rotating shaft, and the outer side of the middle end of the fifth rotating shaft 41 is fixedly connected with a fixed cylinder 45 between the front and rear second elevating rods 36 , so The upper sides of the front and rear ends of the fixed cylinder 45 are fixedly connected with a fixed seat 46, and a connecting shaft 47 is fixedly connected between the front and rear fixed seats 46. Fixed ring 48, universal wheels 49 are fixedly connected around the lower surface of the base plate 4, and support blocks 50 are provided on the lower side of the left and right connecting plates 2, and the front and rear ends of the support block 50 are fixedly connected to the front and rear supports. Between the feet 3, there are first guide rail grooves 51 located at the lower end of the first storage chamber 6 at the left and right ends of the front and rear support plates 1, and between the front and rear first guide rail grooves 51 are provided openings on the connecting plate. 2. The second guide rail groove 52 on the inside of the lower end. The upper end of the support foot 3 and the support block 50 is fixedly connected with a sliding track 53 located in the first guide rail groove 51 and the second guide rail groove 52. The inner side of the upper end of the sliding track 53 Have installation groove 54, the inside of described installation groove 54 is provided with the roller 55 that is connected on the left and right sides of installation groove 54 inboard by rotating shaft rotation, described roller 55 upper end and first guide rail groove 51 and the second guide rail groove 52 bottoms Contact connection, the lower end of the roller 55 is in contact with the bottom of the installation groove 54, and the left and right walls of the first guide rail groove 51 are provided with card slots 56 positioned at the front and rear ends of the sliding track 53, and the card slot 56 is provided with Limit plate 57, the left end of the limit plate 57 is located on the outside of the support plate 1, the upper end of the support plate 1 front and back is evenly provided with several rotating bases 58 from left to right, the upper end of the rotating base 58 is rotatably connected with a protective railing 59, guard railing 59 The upper end is fixedly connected with a fixed connecting rod 60, the upper left end of the support plate 1 is fixedly connected with a foot railing 61, the upper right end of the support plate 1 is fixedly connected with a head limit railing 62, and the front end of the supporting foot 3. The front side of the lower end is fixedly connected with a positioning bump 63, and the rear side of the lower end of the supporting foot 3 is provided with a positioning groove 64 corresponding to the positioning bump 63, and the left and right ends of the sliding guide rail 53 are provided with contact parts 65. , the contact portion 65 has a semicircular structure, and the contact portion 65 is in contact with the first guide rail groove 51 and the second guide rail groove 52 .

The present invention has two usage methods for changing sheets: 1. The upper lying board 10 and the lower lying board 11 are moved to the positions shown in FIG. The lifting device descends, and sticks one end of the new bed sheet on the Velcro hook surface 29 of the transmission belt 28 through the Velcro rough surface 30. By rotating the rotating disk 25, the new bed sheet is conveyed to the upper end of the mattress 19 through the transmission belt 28, and the old The bed sheet is taken off from the conveyor belt 28, and when the new bed sheet is moved to a suitable position, the hydraulic cylinder 44 is stretched out so that the lifting device rises, and finally the upper lying board 10 and the lower lying board 11 are moved back to the first storage chamber 6 and the second storage chamber respectively. Two storage chambers 7 are enough; 2. Move the upper lying board 10 and the lower lying board 11 to the positions shown in Figure 11 through the first handle 14 and the second handle 17, and the hydraulic cylinder 44 is retracted, so that the lifting device is lowered, Move another empty hospital bed, remove the support platform on the upper end of the empty hospital bed, so that the positioning projection 63 of the empty hospital bed is engaged with the positioning groove 64 of the patient bed, and take out the limiting plate 57 on the patient bed, Move the support platform with the patient to the upper end of the empty hospital bed through the sliding track 53, and then repeat the operation of changing the bed sheet in method 1 to replace the bed sheet, and finally move the support platform with the patient back or install a new support platform and then disinfect it. Empty beds are used.

Although the invention has been shown and described with reference to preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made within the scope of the claims.

Claims (7)

1. a kind of be conveniently replaceable the nursing hospital bed of sheet, including former and later two support plates (1) disposed in parallel, it is characterized in that: preceding It is fixedly connected with connecting plate (2) between support plate (1) left and right ends afterwards, the front and back support plate (1) and the left and right company Fishplate bar (2) forms support platform, and surrounding is fixedly connected with support leg (3) on the downside of the support platform, and support leg (3) lower end is fixed It is connected with base plate (4), front and back the support plate (2) inner top side is provided with the first sliding groove (5), the first sliding groove (5) lower end It is provided with the first storage chamber (6), left and right the connecting plate (2) inner top side is provided with the second storage chamber (7), under the second storage chamber (7) End is provided with the second sliding groove (8), is equipped with upper decub plate (10) in second storage chamber (7) of left and right, the left and right upper decub plate (10) Rear and front end be slidably connected on the inside of first sliding groove (5), be equipped in first storage chamber (6) of front and back be located at it is described The left and right ends of the lower decub plate (11) of upper decub plate (10) lower end, the lower decub plate (11) are slidably connected at second sliding groove (8) inside, the rear and front end center of the left and right upper decub plate (10) is fixedly connected with one end of first connecting rod (12), institute State the first link slot for being equipped on the outside of first connecting rod (12) and being opened in and connecting in the support plate (1) with the first sliding groove (5) (13), the other end of the first connecting rod (12) is equipped with the be rotatably connected on the outside of the support plate (1) by rotary shaft One handle (14), the left and right ends center of the front and back lower decub plate (11) are fixedly connected with the one of the second connecting rod (15) End, the second connecting rod (15) outside are equipped with the second connection for being opened in and connecting in the connecting plate (2) with the second sliding groove (8) Slot (16), the other end of second connecting rod (15) is equipped with to be rotatably connected on the outside of the connecting plate (2) by rotary shaft Second handle (17)；

Base plate (4) the upper end center position is equipped with lifting device, and the lifting device upper end is fixedly connected with lifter plate (18), lifter plate (18) the upper end center position is fixedly connected with mattress (19), and mattress (19) the upper end covering is flexible Cotton layer (20), described elasticity cotton layer (20) upper end are covered with sheet (21), and the sheet (21) is located at the support platform Downside center, lifter plate (1) front and rear sides are equipped with the traction device being located on the outside of the mattress (19), described in front and back Traction device includes the bearing block (22) being respectively fixedly connected on the upside of lifter plate (18) left and right ends, the left and right bearing block (22) inside is rotatably connected to transmission shaft (23), is equipped with and is opened on the support leg (3) on the outside of the left end of the transmission shaft (23) Lifting slot (24), the left end of the rotation axis (23) passes through the lifting slot (24) and is fixedly connected with positioned at the support leg (3) rotating disk (25) on the outside of is equipped with several between the left and right bearing block (22) and is fixedly connected on the transmission shaft (23) The driving wheel (26) in outside, mattress (19) lower end are provided with holding tank (27) corresponding with the driving wheel (26), front and back institute It states and is sequentially connected between driving wheel (26) transmission belt (28), transmission belt (28) the outer side center position is fixedly connected with magic It pastes hook surface (29), transmission belt (28) upper end is located on the downside of the sheet (21), is fixedly connected on the downside of the sheet (21) The velcro hair side (30) bonding with velcro hook surface (29), transmission belt (28) lower end are located in the holding tank (27) Side.

2. it is according to claim 1 it is a kind of be conveniently replaceable the nursing hospital bed of sheet, it is characterized in that: the lifting device includes It is fixedly connected on first fixed link (31) of the base plate (4) upper surface front and rear sides and is fixedly connected on the lifter plate (18) the second fixed link (32) of lower surface rear and front end, front and back the first fixed link (31) left end inside, which is respectively equipped with, to be passed through One end of the first elevating lever (34) of first rotary shaft (33) rotation connection, front and back the first fixed link (31) right end inside point The one end for the second elevating lever (36) that She You not be rotatablely connected by the second rotary shaft (35), the second rotary shaft (35) outside Equipped with the third sliding groove (37) being opened on the inside of first fixed link (31), the other end of front and back first elevating lever (34) It is rotatably connected on respectively by third rotary shaft (38) on the inside of the right end of the second fixed link (32), the third rotary shaft (38) is outside Side is equipped with the 4th sliding groove (39) being opened on the second fixed link (32), the other end difference of front and back second elevating lever (36) Be rotatably connected on the inside of the left end of the second fixed link (32) by the 4th rotary shaft (40), front and back first elevating lever (31) and Second elevating lever (32) middle-end is rotatablely connected by the 5th rotary shaft (41), front and back first elevating lever (31) and the second lifting The reinforcing rod for being located at the first elevating lever (31) and the second elevating lever (32) left and right ends is fixedly connected between bar (32) (42), reinforcing rod (42) the upper end center position is equipped with rotary support seat (43) on the downside of right end, the rotary support seat (43) Inside is equipped with the hydraulic cylinder (44) being rotatablely connected by rotation axis, is fixedly connected with position on the outside of the 5th rotary shaft (41) middle-end Fixed cylinder (45) between second elevating lever (36) of front and back, fixed cylinder (45) the rear and front end upside are fixedly connected with Fixing seat (46) is fixedly connected with connecting shaft (47) between the front and back fixing seat (46), the piston end of the hydraulic cylinder (44) It is welded with the fixed ring (48) being located on the outside of the connecting shaft (47).

3. it is according to claim 1 it is a kind of be conveniently replaceable the nursing hospital bed of sheet, it is characterized in that: under the base plate (4) Surface surrounding is fixedly connected with universal wheel (49).

4. it is according to claim 1 it is a kind of be conveniently replaceable the nursing hospital bed of sheet, it is characterized in that: the left and right connecting plate (2) downside is equipped with supporting block (50), the rear and front end of the supporting block (50) be fixedly connected on the front and back support leg (3) it Between, front and back the support plate (1) left and right ends are provided with the first rail groove (51) positioned at the first storage chamber (6) lower end, preceding The second guide-track groove (52) for being opened in the connecting plate (2) lower end inside, the branch are equipped between the first rail groove (51) afterwards Support foot (3) and supporting block (50) upper end are fixedly connected with the cunning in the first rail groove (51) and the second guide-track groove (52) Dynamic rail road (53), sliding rail (53) the upper end inside are provided with mounting groove (54), are equipped with and pass through on the inside of the mounting groove (54) Rotation axis is rotatably connected on the idler wheel (55) on the inside of mounting groove (54) on two walls of left and right, idler wheel (55) upper end and the first guide rail Slot (51) and the second guide-track groove (52) bottom connect, and idler wheel (55) lower end and mounting groove (54) bottom connect, The card slot (56) positioned at the sliding rail (53) rear and front end, institute are provided on two walls of the front and back first rail groove (51) left and right It states in card slot (56) and is equipped with limit plate (57), limit plate (57) left end is located on the outside of the support plate (1).

5. it is according to claim 1 it is a kind of be conveniently replaceable the nursing hospital bed of sheet, it is characterized in that: the front and back support plate (1) upper end is from left to right uniformly provided with several rotating bases (58), and rotating base (58) upper end is rotatably connected to guardrail Bar (59), guard rail rod (59) upper end are fixedly connected with fixed connecting rod (60), fixed on the upside of front and back the support plate (1) left end to connect It is connected to foot's bit field bar (61), head limit railing (62) is fixedly connected on the upside of front and back the support plate (1) right end.

6. it is according to claim 1 it is a kind of be conveniently replaceable the nursing hospital bed of sheet, it is characterized in that: support leg described in front end (3) it is fixedly connected with locating convex block (63) on front side of lower end, is provided with and the locating convex block on rear side of support leg (3) lower end described in rear end (63) corresponding locating slot (64).

7. it is according to claim 4 it is a kind of be conveniently replaceable the nursing hospital bed of sheet, it is characterized in that: the slide rail (53) Left and right ends are equipped with contact portion (65), and the contact portion (65) is semicircular structure, the contact portion (65) and first rail groove (51) it is connected with the second guide-track groove (52).