CN104176100A - Seat supporting unit and baby carriage - Google Patents

Abstract

A seat support unit (20) is used for a stroller (10) and supports a seat. The seat support unit includes: a frame assembly (35) and a laminate assembly (40) installed on the frame assembly. The laminated board assembly includes: a nonwoven fabric (42), and a pair of fabrics (41, 43) respectively laminated on both sides of the nonwoven fabric.

Description

Seat support unit and stroller

technical field

The present invention relates to a seat supporting unit (seat supporting unit) used in a stroller to support a seat, and the stroller.

Background technique

For example, as disclosed in JP56-8576U, baby carriages for babies are widely used. Conventionally, in many strollers, a cushioned seat (seat) is supported on a support body having a frame and a sheet-like fabric mounted on the frame. The sheet cloth materials are sewn together by turning over their edges to form the tubular portion. In addition, the sheet-like fabric is attached to the frame by extending the frame through the tubular portion of the sheet-like fabric.

However, the operation of forming a tubular portion on a sheet fabric in advance, and then passing the frame material through the tubular portion of the sheet fabric, that is, the operation of attaching the sheet fabric of the conventional support body to the frame material for a very cumbersome operation. In addition, it is necessary to form through-holes or the like through which seat belts and the like pass through the sheet-like fabric, and to reinforce the surroundings of the through-holes. Therefore, the production itself of the sheet-like cloth material is also cumbersome, and as a result, the production cost will increase. Furthermore, in the conventional stroller, it is difficult to attach the sheet cloth material to the frame material in a tensioned state. Therefore, if a baby rides in the stroller, the sheet-like fabric material is deformed in such a way that it collapses substantially. In this case, shock absorption and vibration absorption will be reduced, and the riding experience of the stroller will be deteriorated.

Contents of the invention

The present invention has been made in view of the problems in the prior art as described above, and an object of the present invention is to provide a seat support unit that is easy to manufacture and inexpensive, and can effectively suppress deformation when a baby sits on a stroller.

The seat supporting unit (seat supporting unit) of the present invention is used for a stroller and supports a seat (seat), wherein the seat supporting unit (seat supporting unit) includes: a frame assembly; a laminate assembly, which Installed on the frame assembly, the laminated board assembly includes a non-woven fabric and a pair of fabrics laminated on both sides of the non-woven fabric.

The seat support unit according to the present invention may include: a seat support body; a back support body connected to the seat support body in a swingable manner relative to the seat support body, The back support includes: the frame assembly connected to the seat support, and a laminate assembly mounted on the frame assembly.

In the seat support unit of the present invention, the nonwoven fabric may be formed by integrating the nonwoven fabric with a pair of fabrics on both sides of the nonwoven fabric by hot stamping. Laminate components.

In the seat support unit according to the present invention, the nonwoven fabric and a pair of fabrics located on both sides of the nonwoven fabric may be bonded to each other by heat welding.

In the seat support unit according to the present invention, the laminated plate assembly may include a curved portion extending in a curved shape along the outer contour of the frame assembly.

In the seat support unit according to the present invention, the nonwoven fabric of the laminated board assembly located at the curved surface and at least the other nonwoven fabric of the laminated board assembly located outside the curved surface can be adopted. Compared with the non-woven fabric at a part, it is further compressed.

In the seat support unit according to the present invention, the nonwoven fabric located at least a part of the edge of the laminated board assembly may be combined with at least the other part of the laminated board assembly located other than the part. Compared with the non-woven fabric at a part, it is further compressed.

In the seat support unit according to the present invention, the laminated plate assembly may have an extended protrusion extended to a position facing the frame assembly, and the extended protrusion may be formed with A hole through which a coupling member for coupling the laminated board assembly and the frame assembly passes.

In the seat support unit of the present invention, the nonwoven fabric of the laminated board assembly located at the extending protrusion and the nonwoven fabric of the laminated board assembly located outside the extending protrusion may be adopted. At least a portion of the other nonwoven fabric is further compressed.

In the seat support unit of the present invention, the laminated board assembly may be formed with a through-hole, and the non-woven fabric of the laminated board assembly located at a portion of the periphery of the through-hole and the laminated board assembly located at the The nonwoven fabric is further compressed in at least a portion of the laminate assembly other than the peripheral portion.

The stroller of the present invention includes any one of the above-mentioned seat support units of the present invention, and a stroller main body that supports the support unit.

The laminated board assembly of the present invention is a laminated board assembly used in a position for supporting a seat in a stroller, and the laminated board assembly has a nonwoven fabric and a pair of laminated fabrics respectively laminated on both sides of the nonwoven fabric. fabric.

The laminated board assembly of the present invention can be formed by integrating the nonwoven fabric and a pair of fabrics on both sides of the nonwoven fabric by hot stamping.

In the laminated board assembly of the present invention, the nonwoven fabric and a pair of fabrics located on both sides of the nonwoven fabric may be bonded to each other by heat welding.

According to the present invention, the seat support unit can be manufactured cheaply and easily, and deformation of the seat support unit when an infant is seated can be effectively suppressed.

Description of drawings

FIG. 1 is a diagram for explaining one embodiment of the present invention, and is a perspective view showing a baby carriage in a state where a back support body of a seat support unit is erected.

Fig. 2 is a side view showing the seat support unit of the stroller in Fig. 1 in a state where the back support body is laid down.

Fig. 3 is a perspective view showing a laminated plate assembly of the seat support unit.

FIG. 4 is a cross-sectional view showing the layered structure of the laminated board assembly along the line IV-IV in FIG. 3 .

FIG. 5 is a cross-sectional view showing the layered structure of the laminated board assembly along the line V-V in FIG. 3 .

FIG. 6 is a diagram corresponding to FIG. 2 , and is a perspective view showing a modified example of the seat support unit 20 .

FIG. 7 is a perspective view showing another modified example of the seat support unit 20 .

Detailed ways

Hereinafter, one embodiment of the present invention will be described with reference to the drawings. 1 to 4 are diagrams for explaining one embodiment of the present invention.

The overall structure of the stroller 10 of this embodiment is shown in FIG.1 and FIG.2. The illustrated stroller 10 has a stroller main body 11 having front legs 15 and rear legs 16 , and a seat supporting unit 20 supported on the stroller main body 11 . A seat is supported on the seat support unit 20 . As the seat, an existing seat having cushioning properties can be used, and it is preferable that the seat support unit 20 is detachable. The baby will sit or sleep in this seat.

In this embodiment, the stroller main body 11 has a main body frame 13 having front legs 15 and rear legs 16 , and a push handle 18 connected to the main body frame 13 in a swingable manner. In this stroller 10 , the handle 18 is swingable with respect to the main body frame 13 . The handle 18 can be fixed in a rear push position (rear position) shown in FIG. 1 and an opposite push position (front position) swinging forward. As a structure enabling the handle 18 to swing relative to the main body frame 131 , an existing structure such as that disclosed in JP2008-254688A can be employed.

In addition, the stroller 10 of this embodiment can be folded so that the front legs 15, the rear legs 16, and the handle 18 are close to each other. In order to enable folding, most of the structural components in the stroller body 11 are configured to be pivotally connected to each other. In addition, a part of the seat support unit 20 which will be described in detail later may also function as a link for enabling the folding operation of the stroller main body 11 . Furthermore, the seat is formed using flexible fabric or the like, and can be deformed according to the folding operation of the stroller 10 . As a structure enabling the baby carriage 10 and the baby carriage body 11 to be folded, an existing structure such as the structure disclosed in JP2008-254688A can be adopted.

In addition, in this specification, the terms "front", "rear", "upper" and "lower" that modify the stroller 10, the stroller body 11, and the seat support unit 20 are Refers to "front", "rear", "upper" and "lower" based on the baby riding on the stroller 10 in the unfolded state. Therefore, the "front-rear direction" corresponds to the direction connecting the lower left and upper right of the paper surface in FIG. 1 . In addition, unless otherwise indicated, "front" refers to the side that the baby sitting on the vehicle faces, and the lower left side of the paper in FIG. 1 is the "front side". On the other hand, the "up and down direction" refers to a direction perpendicular to the front-rear direction and perpendicular to the ground contact surface of the stroller 10 . Therefore, when the ground contact surface of the stroller 10 is a horizontal surface, the "up and down direction" means a vertical direction. In addition, "horizontal direction" and "width direction" refer to the direction perpendicular|vertical to both the "front-back direction" and "up-and-down direction". In addition, "right" and "left" refer to "right" and "left" in the horizontal or width direction with respect to the baby riding on the stroller 10, respectively.

Hereinafter, the seat support unit 20 of this embodiment will be described in detail sequentially with reference to FIGS. 1 to 4 . As can be seen from FIGS. 1 to 4 , the stroller 10 and the seat support unit 20 are generally symmetrical about a center plane in the width direction extending in the front-rear direction.

As shown in FIGS. 1 and 2 , the seat support unit 20 has a seat support 25 and a back support 30 connected to the seat support 25 . The seat support body 25 supports a portion of the cushioned seat that is in contact with the buttocks of the baby sitting on the stroller 10 . In addition, the back support body 30 supports a portion of the seat that is in contact with the back of the baby seated on the stroller 10 . That is, the seat support body 25 is arranged at a position opposite to the buttocks of the baby sitting on the stroller 10 from below through the seat, and the back support body 30 is arranged at a position opposite to the buttocks of the baby sitting on the stroller 10 from the rear through the seat. The back of the baby sitting on the stroller 10 is at the opposite position. In addition, the back support body 30 is swingable (tiltable) with respect to the seat part support body 25 . Thereby, the tilting operation of the stroller 10 can be realized. In addition, the tilting angle of the back support 30 can be controlled by adjusting the length of the tilt adjustment member 17 (see FIG. 1 ) attached to the stroller main body 11 through the back of the back support 30 .

The seat support body 25 has a seat main body 26 formed in a plate shape, and engagement protrusions 27 extending upward from the rear of both side parts of the seat main body 26 . In this embodiment, the seat support unit 20 is supported by the stroller main body 11 by connecting the seat support body 25 to the stroller main body 11 .

On the other hand, the back support body 30 includes a frame unit (frame) 35 connected to the seat support body 25 , and a laminated board unit (laminated board member) 40 attached to the frame unit 35 . At least a portion of the perimeter of the laminate assembly 40 is mounted to the frame assembly 35 . In this embodiment, the back support body 30 has a pair of side parts 35a, and a connecting part 35b that connects the pair of side parts 35a at one end part, in the illustrated example, at the upper tip. , thereby forming a three-frame frame supporting the laminated plate assembly 40 . Each end portion of the frame unit 35 formed in a U-shape (more strictly speaking, a U-shaped rim with a slightly sharp angle) is pivotally connected to the engagement protrusion 27 on the corresponding side of the seat support body 25. superior. The laminated plate assembly 40 is fixed to the pair of side portions 35a and the connection portion 35b via fixing members such as rivets.

In addition, as shown in FIGS. 1 to 3 , in order to fill the gap between the bottom support body 25 and the laminated board assembly 40, the back support body 30 also has a support that is installed on the laminated board assembly 40 and extends downward from the laminated board assembly 40. cloth-like part 33 . The cloth member 33 is a flexible member such as cloth. The fabric member 33 is fixed to the seat main body portion 26 of the seat support 25 with a fastener.

The frame unit 35 of the back support body 30 has a U-shaped frame member 36 and end members (shield members) 37 respectively attached to the ends of the U-shaped formed by the frame member 36 . The frame member 36 has a pair of side frame parts 36a and a connecting frame part 36b extending between the pair of side frame parts 36a. The connecting frame portion 36b extends so as to connect the rear end portions of the pair of side frame portions 36a. As in the illustrated example, the frame member 36 may be an integral member (material) formed by bending a metal pipe made of a single material, for example, aluminum. On the other hand, the end member 37 fixed to the end of the frame member 36 is configured as a shield-like member covering the end of the frame member 36 . In this embodiment, the connecting portion 35 b of the frame unit 35 is formed by the connecting frame portion 36 b of the frame member 36 , and the side portion 35 a of the frame unit 35 is formed by the side frame portion 36 a and the end member 37 of the frame member 36 .

Next, the laminated board assembly 40 will be described. As shown in FIGS. 4 and 5 , the laminated board assembly 40 is formed of a laminated material including a nonwoven fabric 42 , a first fabric 41 and a second fabric 43 laminated on both sides of the nonwoven fabric 42 . Therefore, in the present embodiment, the first cloth 41 covers the non-woven fabric 42 as the surface cloth forming the surface on the baby's side (the side of the seat), and the second cloth 43 serves as the surface cloth forming the side opposite to the baby (the side opposite to the seat). ) and cover the non-woven fabric 42 with the backside cloth of the surface.

The nonwoven fabric 42 is known as a fiber aggregate in which fine fibers are densely assembled, and more specifically, it is a cloth obtained by joining or plying the fibers without twisting them through thermal, mechanical, or chemical treatment. Since the nonwoven fabric 42 is an aggregate of fibers, air permeability can be ensured, and since the fibers are not twisted, it can be purchased at a low price on the market. In addition, the nonwoven fabric 42 has a certain degree of bulkiness and can exhibit compressibility. On the other hand, the first fabric 41 and the second fabric 43 are fabrics with finer meshes than the nonwoven fabric 42 . By covering the nonwoven fabric 42 with the first fabric 41 and the second fabric 43 , it is possible to prevent fibers from being lifted or falling off due to rubbing of the nonwoven fabric 42 .

In this embodiment, the individual layers forming the laminated board assembly 40 are bonded to each other. Therefore, the first fabric 41 and the second fabric 43 are joined to the nonwoven fabric 42 . Hereinafter, the nonwoven fabric 42 and the fabrics 41 and 43 are integrated by hot stamping, that is, the process of applying pressure while heating, that is, joining the nonwoven fabric 42 and the fabrics 41 and 43 to each other. together with an example. In this example, two adjacent layers are thermally welded (welded, thermally bonded) using a thermoplastic adhesive or utilizing the thermoplastic properties of the materials constituting the layers. In such this embodiment, if the nonwoven fabric 42 has a certain degree of bulkiness, it is possible to give a desired shape, especially a three-dimensional shape, to the laminated board assembly 40 produced by heating and pressing, and it is possible to The degree of compression of the nonwoven fabric 42 of the laminated board assembly 40 produced by heating and pressing, that is, the thickness is changed. In addition, in the laminated board assembly 40, the rigidity of the portion where the nonwoven fabric 42 is further compressed increases, and formability can be improved, thereby realizing a more complex shape, especially a three-dimensional shape. On the other hand, in the laminated board assembly 40, the nonwoven fabric 42, which is substantially not compressed, is rich in cushioning properties, and is excellent in vibration absorbing properties and impact absorbing properties. As a specific example, when the non-woven fabric 42 is formed from a thermally bondable fiber assembly formed by using thermally bondable fibers that can be melted by heating, the laminated board assembly 40 can be three-dimensionally shaped and the nonwoven The degree of compression of the cloth varies greatly.

In the illustrated embodiment, as shown in FIG. 3 , the laminate assembly 40 has a three-dimensional shape. Referring to FIGS. 1 and 2 , it can be seen that the laminate assembly 40 includes a curved surface 48 extending in a curved shape along the outer contour of the frame assembly 35 . The illustrated curved portion 48 extends in a curved shape between a position facing the frame unit 35 from the front and a position facing the frame unit 35 from the side or above. The curved portion 48 extends along the longitudinal direction of the side portion 35 a of the frame assembly 35 so as to at least partially surround the side portion 35 a of the frame assembly 35 . As shown in FIG. 4 , the nonwoven fabric of the laminated panel assembly 40 located on the curved surface 48 is further compressed than the nonwoven fabric 42 of the laminated panel assembly 40 located on at least a portion other than the curved surface 48 . That is, in the curved portion 48, the nonwoven fabric 42 is more compressed, and the thickness of the nonwoven fabric 42 becomes thinner. In the example shown in FIG. 4 , the nonwoven fabric 42 on the curved surface 48 is further compressed and thinner than the nonwoven fabric 42 located adjacent to the curved surface 48 and surrounded by the frame member 35 .

In addition, as shown in FIGS. 3 and 4 , the laminate assembly 40 has an extended protrusion 53 extending to a position facing the frame assembly 35 . The extension protrusion 53 is a portion fixed to the frame member 36 of the frame assembly 35 in order to secure the fixation of the laminated board assembly 40 and the frame assembly 35 . The extension tab 53 is integrally formed with the rest of the laminated plate assembly 40 . A hole 54 is formed in the extension protrusion 53 . The extension protrusion 53 formed with the hole 54 is attached to the frame member 36 of the frame assembly 35 using various widely used fasteners such as screws and rivets. As shown in FIG. 4 , the nonwoven fabric 42 of the laminated board assembly 40 located at the extending protrusion 53 is further compressed than the nonwoven fabric 42 of the laminated board assembly 40 located at least a part other than the extending protrusion 53 . That is, the nonwoven fabric 42 is compressed more strongly on the extending protrusion 53, and the thickness of the nonwoven fabric 42 becomes thinner.

Moreover, as shown in FIG. 5 , the nonwoven fabric 42 located at least a part of the edge portion 51 of the laminated board assembly 40 is compared with the nonwoven fabric 42 located at least a part of the laminated board assembly 40 other than this part. is further compressed. That is, at the edge portion 51, the nonwoven fabric 42 is more compressed, and the thickness of the nonwoven fabric 42 becomes thinner. In addition, as shown in FIGS. 4 and 5 , the side end faces forming the edge of the laminated board assembly 40 are covered with end cloth (strip) 52 . The end cloth 52 is sewn to the edge of the laminated board assembly 40 and extends along the edge of the laminated board assembly 40 . The end cloth 52 effectively prevents the nonwoven fabric 41 , 43 from peeling off from the nonwoven fabric 42 by covering the side end surfaces of the nonwoven fabric 42 and the cloth 41 , 43 .

In addition, as shown in FIGS. 1 to 3 , for the relationship with other components mounted on the stroller 10, the laminated board component 40 is formed with through holes 45 and cutouts 47. The nonwoven fabric 42 located around the through holes 45 and the cutouts 47 is further compressed than the nonwoven fabric 42 located in at least another part of the laminated board assembly 40 . In the example shown in FIG. Compared with the nonwoven fabric of the laminated board assembly 40 at a part, it is further compressed.

In addition, the through-holes 45, the cutouts 47, and the like can be formed easily and inexpensively by a commonly used processing method such as perforating the laminated plate assembly 40 produced by hot stamping. From this point of view, it can also be said that the laminated plate assembly 40 is excellent in workability.

In addition, as shown in FIG. 2 , the seat support unit 20 has: an upper support body 61 connected to the back support body 30 and capable of swinging relative to the back support body 30 ; The upper side support body 62. The side support 62 is swingable with respect to the upper support 61 and the seat support 25 . In the present embodiment, the upper support body 61 is indirectly connected to the back support body 30 via the two connection members 61a arranged apart from each other in the width direction. The connector 61 a is fixed to the connecting portion 35 b of the frame assembly 35 , that is, the connecting frame portion 36 b of the frame member 36 . The notch 47 provided in the laminated board assembly 40 is formed so that the connection member 61a can be attached to the connection frame part 36b.

Moreover, each side support body 62 is pivotally connected to the protrusion part 27 for engagement of the seat part support body 25 of the side corresponding to the lower end part. In addition, the upper end portion of each side support body 62 is connected to the side portion of the upper support body 61 so as to be able to swing. In addition, as can be seen from FIGS. 1 and 2 , the side support 62 is used as a link for the operation of tilting the upper support 61 relative to the back support 30 as the back support 30 swings relative to the seat support 25 . It functions as a rod part.

According to the present embodiment described above, the back support body 30 of the seat support unit 20 has the frame assembly 35 and the laminate assembly 40 attached to the frame assembly 35 . The laminated board assembly 40 includes a nonwoven fabric 42 and a pair of fabrics 41 and 43 respectively laminated on both sides of the nonwoven fabric 42 . Such a laminated plate assembly 40 can be produced extremely simply and easily by hot stamping. In addition, the nonwoven fabric 42 and the cloth materials 41 and 43 can be bonded in the hot stamping process.

The laminated material forming such a laminated plate assembly 40 has higher strength, hardness, and rigidity than the sheet-like cloth material composed of simple cloth used so far, and can maintain a constant shape, especially a constant three-dimensional shape. shape. In addition, the strength, hardness, and rigidity of the nonwoven fabric 42 can be improved by increasing the degree of compression during the hot stamping process. Therefore, even when the baby rides the stroller 10, the weight of the baby is applied to the back support body 30 of the seat support unit 20 via the seat, compared with the sheet cloth material composed of simple cloth used heretofore. , deformation of the laminated plate assembly 40 can also be suppressed.

In addition, the laminated material forming the laminated plate assembly 40 itself has sufficient strength, hardness, and rigidity, and can maintain a constant shape. The straps enable the laminate assembly 40 to be mounted on the frame assembly 35 . Since the laminated plate assembly 40 is excellent in workability and the laminated plate assembly 40 can maintain a constant shape, such mounting work can be performed extremely easily and inexpensively. In addition, unlike conventional products, installation work is performed, so there is no need to make room for the size of the material. Therefore, the laminated plate unit 40 can be attached and fixed to the frame unit 35 in a tensioned state. Thereby, deformation of the laminated plate unit 40 when a baby rides on the stroller 10 can be suppressed.

According to the above, the sinking of the seat in which the baby rides on the stroller can be greatly improved. As a result, the seat support unit 20 can exhibit appropriate impact absorption and vibration absorption, thereby improving the riding experience of the stroller.

In addition, the laminate material from which laminate assembly 40 is formed is relatively inexpensive. Furthermore, the laminated material forming the laminated plate assembly 40 has excellent processability, and various processing methods can be easily applied to form the through-hole 45 and the notch 47 after hot stamping. As a result, the laminated panel assembly 40 can be produced at a lower cost than conventional sheet-like fabrics produced by performing processes such as sewing and cutting on the fabrics, from the viewpoint of supplementary strength and the like.

In addition, according to the illustrated embodiment, the laminate assembly 40 includes a curved surface 48 extending in a curved shape between a position facing the frame assembly 35 from the front and a position facing the frame assembly 35 from the side. When such a laminated board assembly 40 is installed on the frame assembly 35, the relative position of the laminated board assembly 40 relative to the frame assembly 35 can be easily predetermined by the curved surface 48, and the laminated board assembly 40 is pre-fixed relative to the frame. The predetermined position of the component 35. As a result, the laminated panel assembly 40 can be attached to the frame assembly 35 extremely easily. On the other hand, such a curved surface portion 48 can be formed extremely easily by hot stamping.

Furthermore, according to the present embodiment, the nonwoven fabric 42 of the laminated panel assembly 40 positioned on the curved surface 48 is further compressed than the nonwoven fabric 42 positioned on at least a part other than the curved surface 48 . That is, the nonwoven fabric 42 in the curved portion 48 is further compressed to increase rigidity. By increasing the rigidity of the curved surface 48 which is a portion in contact with the frame assembly 35, the shape of the formed curved surface 48 can be stably maintained. status. On the other hand, excessive compression of the nonwoven fabric 42 can be prevented in portions other than the curved surface portion 48 . Therefore, in parts other than the curved surface 48, the nonwoven fabric 42 can exhibit the inherent cushioning properties, which is preferable in terms of vibration absorbing properties and shock absorbing properties.

In addition, such a curved surface portion 48 can be formed easily and inexpensively by hot stamping. On the other hand, in reality, it is impossible to give a three-dimensional shape to a conventional sheet-like fabric made of simple fabric.

Furthermore, in the illustrated embodiment, the nonwoven fabric located at least a part of the edge portion 51 of the laminated board assembly 40 is different from the nonwoven fabric located at least a part of the laminated board assembly 40 other than this part. , is further compressed. That is, the nonwoven fabric 42 in the edge portion 51 of the laminated board assembly 40 is strongly compressed to improve rigidity. Thereby, the rigidity of the edge part 51 which receives an external force easily can be improved. On the other hand, excessive compression of the nonwoven fabric 42 at portions other than the edge portion 51 can be prevented. Therefore, in parts other than the edge part 51, the nonwoven fabric 42 can exhibit the inherent cushioning properties, which is preferable in terms of vibration absorbing properties and shock absorbing properties.

In addition, such an edge portion 51 can be easily and inexpensively formed by hot stamping, compared to the case where cloth is reinforced in a conventional sheet-like cloth material.

Moreover, in the illustrated embodiment, the laminated board assembly 40 has an extended protrusion 53 extending to a position opposite to the frame assembly 35, and an opening for connecting the laminated board assembly 40 and the frame assembly is formed on the extended protrusion 53. The hole 54 through which the bonding piece of 35 passes. By utilizing the extension protrusion 53 , the laminated panel assembly 40 can be easily attached to the frame assembly 35 . In addition, the extension protrusion 53 is integrally formed with other parts of the laminated board assembly 40 . Therefore, the fixing of the laminated board assembly 40 and the frame assembly 35 can be stabilized.

The nonwoven fabric 42 of the laminated board assembly 40 located at the extending protrusion 53 is further compressed than the nonwoven fabric 42 of the laminated board assembly 40 located at least a part other than the extending protrusion 53 . That is, the nonwoven fabric 42 in the extending protrusion 53 is strongly compressed to improve rigidity. By increasing the rigidity of the extension protrusion 53 which is in contact with the coupling and is easily applied with an external force, the laminated board assembly 40 and the frame assembly 35 can be maintained in a stable and fixed state. On the other hand, it is possible to prevent excessive compression of the nonwoven fabric 42 at portions other than the extending protrusions 53 . Therefore, the nonwoven fabric 42 can exhibit the inherent cushioning properties in other parts than the extending protrusions 53 , which is preferable in terms of vibration absorbing properties and shock absorbing properties.

In addition, compared with the conventional sheet-like cloth material in which through-holes are formed in the cloth and then reinforced, such extended protrusions 53 can be formed easily and inexpensively by hot stamping and subsequent machining.

Furthermore, in the illustrated embodiment, the laminated board assembly 40 is formed with a through hole 45 , and the nonwoven fabric 42 of the laminated board assembly 40 is positioned at the periphery of the through hole 45 that defines the through hole 45 . The nonwoven fabric 42 of the laminated board assembly 40 at the portion 46 of the peripheral edge is further compressed than the nonwoven fabric 42 of the laminated board assembly 40 at at least a portion other than the peripheral portion 46 . That is, the nonwoven fabric 42 in the hole periphery 46 of the periphery of the through hole 45 is strongly compressed to improve rigidity, but the nonwoven fabric 42 in other parts is not compressed too much. For example, other components of the stroller 10 , such as an infant seat belt as an example, can be engaged with the through hole 45 to increase the rigidity of the hole peripheral portion 46 that is likely to receive force from the component. On the other hand, it is possible to prevent excessive compression of the nonwoven fabric 42 in parts other than the hole peripheral part 46 . Therefore, in parts other than the hole peripheral part 46, the nonwoven fabric 42 can exhibit the inherent cushioning properties, which is preferable in terms of vibration absorbing properties and shock absorbing properties. .

In addition, such through holes 45 can be formed easily and inexpensively by hot stamping and subsequent machining, compared to the conventional sheet-like cloth material in which through holes are formed in cloth and then reinforced.

Furthermore, in the above-described embodiment, the laminated material forming the laminated board assembly 40 is mainly formed of the nonwoven fabric 42 and the cloths 41 and 43 . Such a laminated board assembly 40 is excellent in workability with respect to machining, sewing, and the like. Therefore, for example, for weight reduction or other purposes, part of the laminated panel assembly 40 may be cut out, or other components may be attached to the laminated panel unit 40 . As a specific example, the area A shown by the two-dot chain line in FIG. 3 can be excavated, and a ventilation volume control component capable of controlling the ventilation volume can be installed. In addition, as an example of attaching other components to the laminated board unit 40 , a strap may be sewn onto the laminated board unit 40 , and an infant safety belt may be supported between the strap and the laminated board unit 40 . Since the laminated material forming the laminated board unit 40 is formed of the nonwoven fabric 42 and the cloths 41 and 43 , workability is excellent, and a strip can be pre-sewn on the laminated board unit 40 .

Various modifications can be added to the embodiments described above. One example of the change will be described hereinafter with reference to the drawings. In the following description and the drawings used in the following description, the same symbols as those used for the corresponding parts of the above-mentioned embodiment are used for the parts that can be configured in the same way as the above-mentioned embodiment, and the duplicated parts are omitted. illustrate.

In the above-mentioned embodiment, the example in which the seat support body 25 is comprised from the seat main body part 26 and the pair of protrusion part 27 for engagement was shown, but it is not limited to this. As shown in FIG. 6 , the seat support 70 may include a frame assembly 75 connected to the back support 30 and a laminate assembly 80 attached to the frame assembly 75 , similarly to the back support 30 . The frame assembly 75 of the seat support body 70 in this modified example has a pair of side portions 75a, and a connecting portion 75b that connects the end portions of the pair of side portions 75a on one side, thereby forming a structure that supports the laminated plate assembly 80. Supporting three borders. In the example shown in FIG. 6, the frame assembly 75 has: a frame member 76 having a pair of side frame portions 76a and a connecting frame portion 76b connecting the pair of side frame portions 76a; An end member 77 on the end of the frame portion 76a. On the other hand, the laminated plate assembly 80 of the seat support body 70 in this modified example can be configured in the same manner as the laminated plate assembly 40 of the above-mentioned back support body 30 . Therefore, the laminate assembly 80 may have any one or more of the through hole 45 , the thin hole peripheral portion 46 , the cutout 47 , the curved surface 48 , the thin edge portion 51 , the end cloth 52 , and the extending protrusion 53 . As shown in FIG. 6 , the laminated panel assembly 80 of the seat support 70 may be configured as a different member from the laminated panel assembly 40 of the back support 30 and connected to each other via the fabric member 33 . Alternatively, the laminated plate assembly 80 of the seat support 70 may be formed integrally with the laminated plate assembly 40 of the back support 30 unlike the example shown in FIG. 6 . Furthermore, when the seat support 70 includes the frame unit 75 and the laminated board unit 80, as shown in FIG.

In addition, in the above-mentioned embodiment, the through hole 45 , the thin hole peripheral portion 46 , the notch 47 , the curved surface 48 , the thin edge portion 51 , the end cloth 52 , and the extension are shown in the laminated plate assembly 40 . The protrusion 53 is an example, but it is not limited thereto, and the above-mentioned structure may not be formed on the laminated board assembly 40 .

In addition, the baby carriage main body 11 mentioned above is merely an example, and the seat support unit 20 of this invention can be applied to the baby carriage main body 11 of various forms. For example, the stroller main body 11 and the stroller 10 may be configured to be downsized by being folded in the front-rear direction and then folded in the width direction to be downsized. Specifically, the parts extending in the width direction of the stroller 10, such as the handle 18, have hinge points (bending points). After the stroller 10 is folded in the front-back direction to achieve miniaturization, the above-mentioned parts can be further centered around the hinge point. bending. Furthermore, in the stroller 10 described in the above-mentioned embodiment, the handle 18 is shown as an example in which the handle 18 can swing between the rear push position (rear position) and the relative push position (front position), but the present invention is not limited thereto.

In addition, although several modification examples with respect to the said embodiment were demonstrated above, it is needless to say that some modification examples can be combined suitably and applied.

Claims (11)

1. A seat support unit, which is used for a stroller and supports a seat, said seat support unit comprising: frame components; a laminate assembly mounted on said frame assembly, The laminated board assembly includes a nonwoven fabric and a pair of fabrics laminated on both sides of the nonwoven fabric. 2. The seat support unit according to claim 1, comprising: seat support; a back support connected to the seat support in a swingable manner relative to the seat support, The back support includes the frame assembly connected to the seat support, and a laminate assembly mounted on the frame assembly. 3. The seat support unit according to claim 1, wherein: The laminated board assembly is formed by integrating the nonwoven fabric and a pair of fabrics located on both sides of the nonwoven fabric by hot stamping. 4. The seat support unit according to claim 1, wherein: The nonwoven fabric and a pair of fabrics located on both sides of the nonwoven fabric are bonded to each other by heat welding. 5. The seat support unit according to claim 1, wherein: The laminate assembly includes a curved portion extending in a curved shape along the outer profile of the frame assembly. 6. The seat support unit according to claim 5, wherein: The nonwoven fabric of the laminated board assembly located on the curved surface is further compressed than the nonwoven fabric located on at least a part of the laminated board assembly other than the curved surface. 7. The seat support unit according to claim 1, wherein: The nonwoven fabric located at least a part of the edge of the laminated board assembly is further compressed than the nonwoven fabric located at least a part of the laminated board assembly other than the one part. 8. The seat support unit according to claim 1, wherein: The laminate assembly has an extension protrusion extending to a position opposite to the frame assembly, A hole through which a coupling member for coupling the laminated panel assembly and the frame assembly passes is formed in the extending protrusion. 9. The seat support unit according to claim 8, wherein: The nonwoven fabric of the laminated board assembly located at the extending portion is further compressed than the nonwoven fabric located at at least a portion of the laminated board assembly other than the extending protrusion. 10. The seat support unit of claim 1, wherein: The laminated plate assembly is formed with a through hole, The nonwoven fabric of the laminated board assembly located at a portion of the periphery of the through hole is further compressed compared to the nonwoven fabric located at least a portion of the laminated plate assembly other than the portion of the periphery. . 11. A stroller comprising: The seat support unit according to any one of claims 1-10; The stroller body supports the seat support unit.