JP3196641U - wheelchair - Google Patents

Abstract

A wheelchair capable of adjusting the tension of a backrest portion according to a user's sitting position by a simple operation without requiring complicated work. A wheelchair having a backrest that can adjust the tension according to the sitting position of a user, wherein the backrest 20 is a pair of left and right backrests disposed between a right wheel and a left wheel of the wheelchair. Frame members 22 and 24, and a plurality of band-like bodies 50 that are fixed to the back frame member by bridging one end and the other end, and the plurality of band-like bodies have the backrests in the vertical direction. When the upper region A, the middle region B, and the lower region C are divided into the upper region A, the lower region C, and the upper region A, the belt-like body located in the upper region and the lower region is composed of a stretchable belt 30 having stretchability. The belt-like body located is composed of a length adjusting belt 40 capable of adjusting the length. [Selection] Figure 2

Description

  The present invention relates to a wheelchair having a backrest that can adjust the tension according to the sitting position of a user.

  2. Description of the Related Art Conventionally, wheelchairs having a backrest portion that can adjust the tension according to the sitting position of a user are known. As shown in FIG. 6, the wheelchair backrest 100 has a pair of left and right backrest frame members 102 and 104 disposed between a right wheel (not shown) and a left wheel (not shown) of the wheelchair. A plurality of (six in FIG. 6) length adjustment belts 110 are bridged and fixed to the back frame members 102 and 104 via support members 120 and 122. In FIG. 6, reference numeral 130 denotes a folding operation unit, and the backrest unit 100 can fold the backrest frame members 102 and 104 in the vertical direction with the left and right folding operation units 130 as a boundary. .

  Then, a back seat member having cushioning properties is disposed on one side which is the seat surface side with the length adjustment belt 110 interposed therebetween, and a cover member as shown in FIG. 7 is disposed on the other side which is opposite to the seat surface side. 140 is provided.

The cover member 140 is provided with a pocket 144 so that, for example, equipment necessary for assistance can be stored in the pocket 144.
When using the wheelchair, the plurality of length adjustment belts 110 (six length adjustment belts 110 in FIG. 6) are respectively operated to adjust the tension of the backrest 100 according to the sitting position of the user. Thus, it is possible to provide a sitting comfort suitable for the user.

By the way, in such a conventional wheelchair, the plurality of length adjustment belts 110 are usually covered with the cover member 140 so that they cannot be seen. Therefore, when the length adjustment belt 110 is operated, The cover member 140 needs to be turned up or removed.
Further, the adjustment of the tension of the backrest portion 100 needs to be adjusted according to the user's sitting position by operating the plurality of length adjustment belts 110 one by one, which requires complicated work.
For this reason, adjustment of the tension is easy to avoid, and even if it has a folding angle adjustment function, this function is not effectively used, and the wheelchair is often used as it is.

  In view of such a current situation, the present invention aims to provide a wheelchair capable of adjusting the tension of the backrest portion according to the user's sitting position by a simple operation without requiring complicated work.

The present invention was devised to solve the problems in the prior art as described above,
The wheelchair of the present invention
A wheelchair having a backrest that can adjust the tension according to the sitting position of the user,
The backrest part is
A pair of left and right back frame members disposed between the right and left wheels of the wheelchair;
A plurality of strips that are bridged and fixed to one end and the other end on the back frame member,
The plurality of strips are
When the backrest is divided into the upper region, the middle region, and the lower region from the top in the vertical direction, the belt located in the upper region and the lower region is composed of a stretchable belt having stretchability.
The belt-like body located in the middle region is composed of a length adjusting belt capable of adjusting the length.
With such a wheelchair, the tension of the backrest can be adjusted according to the user's sitting position by operating only the length adjustment belt of the backrest.

The wheelchair of the present invention
There are a plurality of elastic belts located in the upper region of the backrest.
In this way, if there are multiple elastic belts, the upper area of the backrest part will be expanded and contracted with a fine width according to the bending state of the upper back of the user, and optimal sitting comfort according to the user Can be provided.

The wheelchair of the present invention
A plurality of elastic belts located in a lower region of the backrest part are provided.
In this way, if there are multiple elastic belts, the lower area of the backrest part will be expanded and contracted with a fine width according to the bending state of the lower back of the user, and optimal sitting comfort according to the user Can be provided.

The wheelchair of the present invention
One length adjusting belt is located in the middle region of the backrest.
Thus, if there is one length adjustment belt, the middle region of the backrest can be adjusted according to the bending condition of the user's middle back, and the adjustment can be completed with only one operation. It is possible to easily provide the optimal sitting comfort according to the person.

The wheelchair of the present invention
The backrest part is
When the seat surface side is set as one side surface with the belt-like body interposed therebetween, and the side opposite the seat surface side is set as the other side surface,
A cover member that covers the plurality of strips is provided on at least the other side surface.
If the cover member is provided in this way, for example, a pocket is provided in the cover member, and equipment necessary for assistance of a wheelchair user can be stored therein.

The wheelchair of the present invention
The cover member is
An operation window is provided that allows a length adjustment belt located in a middle region of the backrest portion to be directly operated in a state where the cover member is provided.

  If the operation window is provided in this way, the length adjustment belt can be operated with the cover member attached. Also, if the size of the operation window is adjusted so that only the length adjustment belt to be operated can be seen, no one can make a mistake, and the backrest can be adjusted to the seating position of the user without fail. Can do.

  According to the present invention, there is provided a wheelchair capable of adjusting a backrest tension according to a user's sitting position by using both an elastic belt and a length adjustment belt and operating only the length adjustment belt. be able to.

FIG. 1 is a schematic view of a wheelchair according to the present invention. FIG. 2 is a partially enlarged view of the backrest portion of the wheelchair shown in FIG. 1 when viewed from the side opposite to the seat surface side. 3 is a cross-sectional view taken along line YY of the backrest portion shown in FIG. 4A is an explanatory view for explaining a state in which male members (locking members) of hook-and-loop fasteners are attached to both ends of the elastic belt of the backrest portion shown in FIG. 2, and FIG. It is explanatory drawing explaining the state which attached | subjected the cover member via the female material of a hook_and_loop | surface fastener on the male material (locking member) of the hook_and_loop | surface fastener shown to a). FIG. 5 is a partially enlarged view of a backrest portion in another embodiment of the wheelchair of the present invention. FIG. 6 is a partially enlarged view of a backrest portion in a conventional wheelchair. FIG. 7 is an explanatory diagram for explaining a state in which a cover member is disposed on a backrest portion in a conventional wheelchair.

Hereinafter, embodiments of the present invention will be described in more detail based on the drawings.
The present invention relates to a wheelchair having a backrest that can adjust the tension according to the sitting position of a user.

As shown in FIGS. 1-5, the wheelchair 10 of this invention has the backrest part 20 which can adjust tension | tensile_strength according to a user's sitting position.
As shown in FIGS. 1 and 2, the backrest portion 20 includes a pair of left and right backrest frame members 22 and 24 disposed between the right wheel 80 and the left wheel 82 of the wheelchair 10, and the backrest. The frame members 22 and 24 each include at least a plurality of belt-like bodies 50 that are fixed by bridging one end and the other end. In FIG. 1, a region F surrounded by a dotted line indicates a region where the backrest portion 20 is provided. 1 to 5, reference numeral 12 denotes a folding operation part, and the backrest part 20 can fold the backrest frame members 22 and 24 in the vertical direction with the left and right folding operation parts 12 as a boundary. It has become.

  The belt-like body 50 can be fixed to the back frame members 22 and 24 by any fixing method. In the present embodiment, the belt-like body 50 is attached to the back frame members 22 and 24 via the support members 26 and 28. It is fixed.

The support members 26 and 28 of this embodiment are fixed to the backrest frame members 22 and 24 via fastening members, and the support members 26 and 28 are configured to sandwich the belt-like body 50.
The support members 26 and 28 may be made of any material as long as the back frame members 22 and 24 and the belt-like body 50 can be reliably connected to each other. For example, the support members 26 and 28 are preferably made of polyester. .

  As shown in FIG. 2, when the backrest 20 is divided into the upper region A, the middle region B, and the lower region C from the top, the plurality of strips 50 are divided into the upper region A and the lower region C as shown in FIG. The belt-like body 50 located at the top is made of a stretchable belt 30 having stretchability.

  The number of the elastic belts 30 in the upper region A and the elastic belts 30 in the lower region C are each preferably plural (three in the upper region A and two in the lower region C in FIG. 2). Thus, if there are a plurality of elastic belts 30, the upper region A and the lower region C of the backrest part 20 will be expanded and contracted with a fine width according to the bending state of the upper back and lower back of the user, It is possible to provide optimal sitting comfort according to the user.

The number and width of the elastic belts 30 are not particularly limited. For example, the upper region A and the lower region C are each formed as one wide elastic belt 30, or the upper region A is expanded into a plurality of elastic regions. The elastic belt 30 and the lower region C may be a single elastic belt 30, or a plurality of elastic belts 30 having different widths in one region may be combined as appropriate.
On the other hand, the belt-like body 50 located in the middle region B is composed of a length adjustment belt 40 capable of adjusting the length.

  The length adjustment belt 40 is preferably one, and if the length adjustment belt 40 is one in this way, the middle region B of the backrest 20 is adjusted in accordance with the bending state of the user's middle back. Moreover, the adjustment can be completed with only one operation, and the optimal sitting comfort can be easily provided according to the user.

  The wheelchair 10 according to the present invention has a particularly characteristic configuration in which the stretchable belt 30 and the length adjustment belt 40 are used in the backrest portion 20 and the length adjustment belt 40 is used only in the middle region B. It has become.

  As shown in FIG. 3, the middle region B is a region located approximately in the middle of the backrest portion 20, and this middle region B is the user's back when the user is seated on the wheelchair 10. In this case, it is a portion projecting from the seat surface side D toward the side E opposite to the seat surface side.

Therefore, if the length of the length adjustment belt 40 provided in the middle region B is adjusted, the tension can be easily adjusted according to the sitting position of the user.
Here, the length adjusting belt 40 may be made of any material as long as the length can be adjusted. For example, a length adjusting belt 40 made of polypropylene is preferably used. The length adjusting belt 40 may be of any type as long as it can be adjusted to a predetermined length such as a hook-and-loop type, a button type, and a hook engagement type.

  Further, the stretchable belt 30 may be made of any material as long as it has stretchability. For example, the stretchable belt 30 made of rubber and polypropylene is preferably used. When the user sits on the wheelchair 10, the elastic belt 30 can hold the user's back moderately.

  In the wheelchair 10 of the present invention, when the seat surface side D is set as one side surface with the belt-like body 50 interposed therebetween, and the side E opposite to the seat surface side is set as the other side surface, It is preferable that a back seat member (not shown) having cushioning properties is provided, and a cover member 70 that covers the plurality of strips 50 is provided on the other side surface E on the side opposite to the seat surface side.

  The cover member 70 may be attached by any method as long as it is detachably attached to the plurality of strips 50. For example, as shown in FIG. Male members (engagement) of hook-and-loop fasteners (magic tape (registered trademark)) 60 on the left and right ends of the elastic belt 30 located in the upper region A and the left and right ends of the elastic belt 30 located in the lower region C, respectively. If a cover member 70 provided with a female material is attached to a position that matches the male material (locking member), as shown in FIG. A cover member 70 can be disposed on the top.

  The cover member 70 is provided with an operation window 72 for operating the length adjustment belt 40 located in the middle region B of the backrest 20 in a state of being disposed on the belt-like body 50. Is preferred.

  As described above, if the operation window 72 is provided in the cover member 70, the length adjustment belt 40 can be operated from above the cover member 70 even when the cover member 70 is attached. By adjusting the size of the operation window 72 so that only the height adjustment belt 40 can be visually recognized, anyone can adjust the tension of the backrest portion 20 without failing to make sure that it matches the seating position of the user.

  Here, the color of the cover member 70 may be any color according to the design of the wheelchair 10. However, if the colors of the length adjustment belt 40 and the cover member 70 are changed, the operation window 72 is used. It is possible to make the length adjustment belt 40 visible from the stand out.

  The cover member 70 preferably has an operation window 72 that can cover at least a plurality of strips 50 and only the length adjusting belt 40 can be visually recognized. For example, if a pocket 76 is provided, the pocket 76 is provided. It is preferable that equipment necessary for assistance can be stored inside.

  In addition, about the back seat | sheet member (not shown) provided in the one side surface of the seat surface side D, it does not specifically limit, For example, what consists of PVC and polyester etc. can be used.

  The wheelchair 10 of the present invention has been described above. However, the present invention is not limited to the above-described embodiment. For example, in the wheelchair 10 of the present invention described above, the support members 26 and 28 are provided as shown in FIG. However, the present invention is not limited to this, and as shown in FIG. 5, the belt-like members 50 are directly belt-like on the back frame members 22, 24. The body 50 may be fixed.

  In addition, the wheelchair 10 of the present invention is not limited to the type of wheelchair, and may be any wheelchair such as an assisting wheelchair, a self-propelled wheelchair, and an electric wheelchair. Various changes are possible.

DESCRIPTION OF SYMBOLS 10 Wheelchair 12 Folding operation part 20 Back part 22 Back frame part 24 Back frame part 26 Support member 28 Support member 30 Elastic belt 40 Length adjustment belt 50 Belt-like body 60 Surface fastener 70 Cover member 72 Operation window 76 Pocket 80 Right wheel 82 Left wheel A Upper area B Middle area C Lower area D Seat surface side E Side opposite to the seat surface side F Area where the backrest part is provided 100 Backrest part 102 Backrest frame part 104 Backrest frame part 110 Length adjustment belt 120 Support Member 122 Support member 130 Folding operation part 140 Cover member 144 Pocket

Claims (6)

A wheelchair having a backrest that can adjust the tension according to the sitting position of the user,
The backrest part is
A pair of left and right back frame members disposed between the right and left wheels of the wheelchair;
A plurality of strips that are bridged and fixed to one end and the other end on the back frame member,
The plurality of strips are
When the backrest is divided into the upper region, the middle region, and the lower region from the top in the vertical direction, the belt located in the upper region and the lower region is composed of a stretchable belt having stretchability.
The wheelchair characterized in that the belt-like body located in the middle region is composed of a length adjusting belt capable of adjusting the length.   The wheelchair according to claim 1, wherein a plurality of elastic belts are located in an upper region of the backrest portion.   The wheelchair according to claim 1 or 2, wherein a plurality of elastic belts are located in a lower region of the backrest.   The wheelchair according to any one of claims 1 to 3, wherein the length adjustment belt located in the middle region of the backrest portion is one. The backrest part is
When the seat surface side is set as one side surface with the belt-like body interposed therebetween, and the side opposite the seat surface side is set as the other side surface,
The wheelchair according to any one of claims 1 to 4, further comprising a cover member that covers the plurality of strips on at least the other side surface. The cover member is
The wheelchair according to claim 5, wherein an operation window is provided that allows a length adjustment belt located in a middle region of the backrest portion to be directly operated in a state where the cover member is provided.

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