Lower limb support assembly for a wheelchair

Abstract

The utility model relates to a wheelchair, concretely relates to a lower limb support subassembly for wheelchair, the utility model adopts a kind of lower limb support subassembly for wheelchair, including with the pedal support and leg support support of chair frame fixed, the chair frame has the support rod of transverse extension, the leg support support includes main body, the main body has the support section that extends rearward and is supported at the support rod, the main body also has fixed section, the fixed section is detachably fixed with chair frame or pedal support by second fastener, the leg support support front end is fixed with leg support by adjusting plate, the adjusting plate both ends are respectively with leg support support front end and leg support rear end rotation fixed and are kept by first fastener Position locking is realized.Adjusting range of the utility model has leg support more widely, the supporting effect of leg support is better, leg support support is not easy to bend, the height of footboard is adjusted with the advantages such as.

Description

Technical Field

[0001] This utility model relates to a wheelchair, specifically to a lower limb support component for a wheelchair. Background Technology

[0002] Patent CN207384398U discloses an adjustable leg rest on a wheelchair footrest bracket, including a leg rest body and a footrest bracket. The upper end of the leg rest bracket is mounted on the footrest bracket in a manner that allows it to slide longitudinally along the footrest bracket and is fixed by a detachable bracket fastener. The leg rest body is mounted on the lower end of the leg rest bracket in a manner that allows it to slide longitudinally along the leg rest bracket and is fixed by a detachable leg rest fastener. One end of the left and right ends of the leg rest bracket is fixed to the footrest bracket, and the other end of the leg rest bracket is fixed to the leg rest.

[0003] The leg support bracket of the above solution can be adjusted up and down, but the adjustment range is relatively limited. In addition, the leg support is supported on the guide rail-style pedal bracket, which has insufficient support force. After long-term use, the leg support bracket is prone to bending, which leads to a decrease in the fastening effect at the end of the leg support bracket. Utility Model Content

[0004] The purpose of this invention is to provide a lower limb support component for wheelchairs with a wider range of leg support position adjustment and better support effect.

[0005] To achieve the above objectives, this utility model employs a lower limb support assembly for a wheelchair, comprising a footrest bracket and a leg support bracket fixed to a chair frame. The assembly is characterized in that: the chair frame has a laterally extending support rod; the leg support bracket includes a main body, which has a rearwardly extending support section supporting the support rod; the main body also has a fixing section, which is detachably fixed to the chair frame or footrest bracket via a second fastener; the extension direction of the fixing section is different from that of the support section; the front end of the leg support bracket is fixed to the leg support via an adjusting plate; both ends of the adjusting plate are rotatably fixed to the front end and rear end of the leg support bracket, respectively, and are locked in position using a first fastener.

[0006] The two ends of the adjustment plate are rotatably fixed to the front end and rear end of the leg support bracket, respectively. Angle adjustment is achieved by rotation. Compared with simple sliding adjustment, it can achieve more flexible and continuous position adjustment, effectively expanding the adjustment range and applicability.

[0007] The chair frame is equipped with horizontal support bars, providing dedicated stress support points. The support section directly transmits leg pressure to the support bars of the chair frame, rather than relying solely on the footrest bracket. The fixed section and the support section extend in different directions to form a multi-directional stress system, effectively dispersing stress. Furthermore, the support section is located behind the leg rest rather than on the side, which further prevents the leg rest bracket from bending and deforming.

[0008] Preferably, the support rod has a downwardly extending vertical rod, the pedal bracket has an upwardly extending connecting section, and the connecting section, the vertical rod, and the fixing section are fixed together by a second fastener.

[0009] The connecting section, vertical rod, and fixing section are all secured together using the same fastener, forming a composite fixing node. Compared to fixing them separately, this significantly enhances the connection rigidity between the pedal bracket, chair frame, and leg support bracket, as well as the overall structural stability. Integrating the fixing positions of the three components into one place simplifies the installation process and improves assembly efficiency. Furthermore, utilizing the existing structure (connecting section and vertical rod) as the fixing base eliminates the need for additional fixing parts, resulting in a more compact structure.

[0010] Preferably, the connecting section has a mating groove that opens forward and extends in the vertical direction, and the connecting section has a plurality of fixing holes that are spaced vertically and used to mate with the second fastener, and the lower end of the vertical rod is located in the mating groove.

[0011] The user can select different heights of fixing holes for fixing according to their needs, so that the height of the leg support bracket relative to the chair frame can be adjusted.

[0012] Preferably, the pedal bracket has upwardly extending connecting sections on both the left and right sides, a foot pedal is provided between the two connecting sections, and two leg support brackets are fixed to one connecting section respectively.

[0013] Preferably, a buckle is fixed to the lower end of the support section, and the support section is fixed to the support rod by the buckle. This design further prevents the leg rest from wobbling and improves the support effect.

[0014] This invention has the advantages of a wider range of leg support adjustment, better leg support effect, leg support bracket that is not easily bent, and adjustable foot pedal height. Attached Figure Description

[0015] Figure 1 This is a structural schematic diagram of a wheelchair according to the present invention.

[0016] Figure 2 This is a structural schematic diagram of the pedal bracket and leg support bracket of this utility model.

[0017] Figure 3 This is another structural schematic diagram of the pedal bracket and leg support bracket of this utility model. Detailed Implementation

[0018] The present invention will now be further described with reference to the accompanying drawings and specific embodiments.

[0019] Depend on Figures 1 to 3As shown, this embodiment discloses a lower limb support assembly for a wheelchair, including a footrest bracket 200 and two leg support brackets 300 fixed to a chair frame 100. The chair frame 100 has a laterally extending support rod 1. The support rod 1 has a downward-extending vertical rod 11 on each of its left and right sides. The pedal bracket 200 has upward-extending connecting sections 21 at its rear ends on both sides. Each connecting section 21 has a forward-opening, vertically extending mating groove 22. The connecting section 21 also has several vertically spaced fixing holes 23 for mating with the second fastener 20. The lower end of the vertical rod 11 is located within the mating groove 22 and is fixed to the connecting section 21 by the second fastener 20. A foot pedal 201 is located between the two connecting sections 21, and two leg support brackets 300 are each fixed to one connecting section 21.

[0020] The leg support bracket 300 includes a main body 3, which has a support section 31 extending rearward and supported at a support rod 1. A buckle 32 is fixed to the lower end of the support section 31, and the support section 31 is fixed to the support rod 31 by the buckle 32. A fixing section 33 is located on the side of the main body 3. The lower end of the fixing section 33 is detachably fixed to the chair frame and footrest bracket by a second fastener 20. The extending direction of the fixing section 33 is different from that of the support section 31. The front end of the leg support bracket 300 is fixed to the leg rest 301 by an adjusting plate 34. Both ends of the adjusting plate 34 are rotatably fixed to the front end of the leg support bracket 300 and the rear end of the leg rest 301, respectively, and are locked in place by the first fastener 30. To reduce weight, the adjusting plate 34 has a strip-shaped groove extending along its length.

[0021] This embodiment has the advantages of a wider range of leg support adjustment, better leg support effect, less susceptibility to bending of the leg support bracket, and adjustable footrest height.

Claims

1. A lower limb support assembly for a wheelchair, comprising a footrest bracket and a leg support bracket fixed to a chair frame, characterized in that: The chair frame has a laterally extending support rod, and the leg rest bracket includes a main body. The main body has a support section that extends rearward and is supported at the support rod. The main body also has a fixing section. The fixing section is detachably fixed to the chair frame or pedal bracket by a second fastener. The extension direction of the fixing section is different from the extension direction of the support section. The front end of the leg rest bracket is fixed to the leg rest by an adjusting plate. The two ends of the adjusting plate are rotatably fixed to the front end and the rear end of the leg rest bracket, respectively, and are locked in position by a first fastener.

2. The lower limb support assembly for a wheelchair according to claim 1, characterized in that: The support rod has a downwardly extending vertical rod, and the pedal bracket has an upwardly extending connecting section. The connecting section, the vertical rod, and the fixing section are fixed together by a second fastener.

3. The lower limb support assembly for a wheelchair according to claim 2, characterized in that: The connecting section has a mating groove that opens forward and extends in the vertical direction. The connecting section also has a number of fixing holes that are spaced vertically and used to mate with the second fastener. The lower end of the vertical rod is located in the mating groove.

4. The lower limb support assembly for a wheelchair according to claim 2 or 3, characterized in that: The pedal bracket has upward-extending connecting sections on both the left and right sides, and a foot pedal is located between the two connecting sections. The two leg support brackets are fixed to one of the connecting sections respectively.

5. The lower limb support assembly for a wheelchair according to claim 1, characterized in that: The lower end of the support section is fixed with a buckle, and the support section is fixed to the support rod by the buckle.

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