Crus part supporting frame of walking aid

By employing a front-side support method and a flexible connection mechanism in the lower leg support frame of the walker, the problems of comfort and difficulty in adjustment in the existing technology have been solved, achieving a comfortable fit and flexible adjustment, thus improving the user experience.

CN223979930UActive Publication Date: 2026-03-10WUHU PUDUNTE MEDICAL INSTR CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-09
Publication Date
2026-03-10

AI Technical Summary

Technical Problem

Existing wearable walking aids have problems with their lower leg support frames, such as poor comfort, inconvenience in wearing, and difficulty in height adjustment. In particular, the rear and side support methods can easily compress the lower legs and are difficult to adjust the height simultaneously.

Method used

A leg support frame for a walking aid was designed, which adopts a front-side support method. The main support plate is fixed to the front of the lower leg through upper and lower connecting mechanisms. The upper connecting mechanism consists of two first connecting plates and a first strap, while the lower connecting mechanism consists of two second connecting plates and a second strap. Combined with a height adjustment mechanism and a grounding mechanism, a comfortable fit and flexible adjustment can be achieved.

Benefits of technology

It improves user comfort, avoids calf compression, simplifies the wearing process, and allows for flexible adjustment of the length and height of the main support plate to meet the needs of different people.

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Abstract

The utility model discloses a walking aid shank support frame, which comprises a main support plate, a grounding mechanism, an upper connecting mechanism and a lower connecting mechanism, the upper connecting mechanism and the lower connecting mechanism are connected with the main support plate, the upper connecting mechanism is used for fixing the main support plate on the front side of a shank, and the lower connecting mechanism is connected with the grounding mechanism. According to the shank supporting frame of the walking aid, the use comfort can be improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of leg support, specifically, the utility model designs a kind of shank support frame of walking aid. BACKGROUND

[0002] The existing wearable walking aid, the shank support frame generally adopts the support mode of rear side or both sides. With rear side support mode, it is worn from front to back when using, and the thigh rod is not easy to open. With both sides support mode, the height adjustment mechanism of support rod is located at both sides of shank, and the height adjustment is difficult to complete synchronously. In addition, both sides support rod needs to be tied to shank, and it is difficult to comply with the physiological curvature of shank. If too tight, it is easy to cause shank extrusion. And the ground connection structure of the existing wearable walking aid rear side and both sides support mode is integral foot support structure, which is mostly worn on the bottom of foot or shoe sole. It is not only poor in comfort, but also inconvenient for walking.

[0003] The Chinese patent with application number 202322629154.4 discloses a leg support device, belonging to the technical field of leg support. The leg support device comprises a support frame, which comprises a first frame body, a second frame body and a placing table from top to bottom. The first frame body and the second frame body are connected by a first hinge, and the second frame body and the placing table are connected by a second hinge. An elevating device is arranged inside the support frame, and a support rod is fixedly connected to the elevating device. The elevating device and the support rod are used to change the height of the support frame.

[0004] It is desired to provide an improved shank support frame of walking aid, especially regarding how to improve the use comfort. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving one of the technical problems existing in the prior art. To this end, the utility model provides a shank support frame of walking aid, aiming at improving the use comfort.

[0006] In order to achieve the above purpose, the utility model adopts the technical scheme that the shank support frame of walking aid comprises a main support plate, a ground connection mechanism, and an upper connection mechanism and a lower connection mechanism connected with the main support plate. The upper connection mechanism is arranged to fix the main support plate on the front side of shank, and the lower connection mechanism is connected with the ground connection mechanism.

[0007] The upper connection mechanism comprises two first connecting plates rotatably connected with the main support plate and a first band connected with the two first connecting plates, and the two first connecting plates are distributed on both sides of shank.

[0008] The lower connecting mechanism comprises two second connecting plates rotatably connected with the main support plate and a second band connected with the two second connecting plates, the two second connecting plates are distributed on two sides of the lower leg, and the two second connecting plates are connected with the ground connecting mechanism.

[0009] The second connecting plate is arc-shaped.

[0010] The length of the main support plate is adjustable.

[0011] The main support plate comprises a front side support member and a lower section sliding rod connected with the front side support member, the front side support member is connected with the upper connecting mechanism, and the lower section sliding rod is connected with the lower connecting mechanism.

[0012] The lower section sliding rod is in an inverted Y-shaped structure.

[0013] The main support plate further comprises a height adjusting mechanism, the height adjusting mechanism comprises a height adjusting plate rotatably arranged on the front side support member and an elastic element for applying elastic action to the height adjusting plate, a clamping groove is arranged on the lower section sliding rod, a plurality of clamping grooves are arranged and all the clamping grooves are arranged in sequence along the length direction of the lower section sliding rod, a clamping buckle is arranged on the height adjusting plate and embedded in the clamping groove, a sliding groove is arranged on the front side support member and used for inserting the lower section sliding rod, and the elastic element is clamped between the front side support member and the height adjusting plate.

[0014] A round shaft is arranged on the height adjusting plate, and a shaft hole is arranged on the front side support member and used for inserting the round shaft.

[0015] The ground connecting mechanism comprises a ground plate and a connecting shaft arranged on the ground plate, and the connecting shaft is rotatably connected with the lower connecting mechanism.

[0016] The walking aid lower leg support frame of the utility model can improve the use comfort. Since the front side of the human lower leg is relatively straight, the front side support mode generally does not extrude the lower leg, and the wearing and lifting adjustment from front to back are convenient, therefore, the front side support mode is adopted in the utility model, so as to avoid the disadvantages that the rear side and both sides modes are difficult to conform to the biological form of the human lower leg, the lower leg is easily extruded after being bound, and the wearing and lifting adjustment are inconvenient. BRIEF DESCRIPTION OF DRAWINGS

[0017] The present specification comprises the following drawings, and the shown contents are as follows:

[0018] Figure 1 is a use state schematic view of the walking aid lower leg support frame of the utility model;

[0019] Figure 2 is a connection schematic view of the upper connecting mechanism and the front side support member;

[0020] Figure 3is the schematic view of the connection between the lower connecting mechanism and the lower sliding rod;

[0021] Figure 4 is the schematic view of the structure of the height adjusting plate;

[0022] Figure 5 is the schematic view of the structure of the grounding mechanism;

[0023] In the figure, 1 is a first connecting plate; 2 is a first belt; 3 is a second connecting plate; 4 is a second belt; 5 is a front side supporting member; 6 is a lower sliding rod; 7 is a height adjusting plate; 8 is a clamping groove; 9 is a clasp; 10 is a round shaft; 11 is a grounding plate; 12 is a connecting shaft; 13 is a spring groove. DETAILED DESCRIPTION

[0024] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings, and the purpose is to help the technical personnel in the field to have a more complete, accurate and in-depth understanding of the concept and technical scheme of the present application, and to help them to implement.

[0025] It should be noted that in the following embodiments, the "first" and "second" do not represent the absolute division relationship of structure and / or function, nor represent the execution order, but only for the convenience of description.

[0026] As Figures 1 to 5 shown, the present application provides a kind of supporting frame of crutch lower leg, including main support plate, grounding mechanism and with the upper connecting mechanism and lower connecting mechanism of main support plate connection, upper connecting mechanism is set to be used to fix main support plate on the front side of lower leg, and lower connecting mechanism is connected with grounding mechanism.

[0027] Specifically, as Figure 1 shown, upper connecting mechanism includes two first connecting plates 1 rotationally connected with main support plate and first belt 2 connected with two first connecting plates 1, two first connecting plates 1 are distributed on the opposite sides of human lower leg, and first belt 2 is located on the back side of human lower leg.

[0028] As Figure 1 shown, lower connecting mechanism includes two second connecting plates 3 rotationally connected with main support plate and second belt 4 connected with two second connecting plates 3, two second connecting plates 3 are distributed on the opposite sides of human lower leg, and second belt 4 is located on the back side of human lower leg, first belt 2 is located above second belt 4, first connecting plate 1 is located above second connecting plate 3, and two second connecting plates 3 are connected with the grounding mechanism below.

[0029] As Figures 1 to 4As shown, the length of the main support plate is adjustable, which can adapt to the calf length changes of different people, improve the universality, and good adaptability. The main support plate includes a front side support member 5 and a lower section sliding rod 6 connected with the front side support member 5, the front side support member 5 is connected with the upper connection mechanism, and the lower section sliding rod 6 is connected with the lower connection mechanism. The main support plate is used to be attached to the human calf on the front side of the human calf, and the main support plate is vertically arranged. The upper end and the lower end of the main support plate are fixed on the human calf by the belt when in use. The front side support member 5 and the lower section sliding rod 6 are slidingly connected.

[0030] As shown in Figure 1 and Figure 2 , one end of the first connecting plate 1 is rotatably connected with the upper end of the front side support member 5, and the other end of the first connecting plate 1 is provided with a through hole for the first belt 2 to pass through. The first connecting plate 1 is used to be connected with the thigh mechanism of the walking aid. The two ends of the first connecting plate 1 are respectively rotatably connected with the front side support member 5 at the opposite two end edges of the front side support member 5 through the hinge structure, and the first connecting plate 1 is in the arc structure.

[0031] As shown in Figure 1 and Figure 3 , the lower section sliding rod 6 is in the inverted Y-shaped structure. The two lower ends of the lower section sliding rod 6 respectively extend to the sides of the ankle joint at the lower end of the human calf. The lower section sliding rod 6 is connected with the ground connecting mechanism on the two sides of the shoe sole from front to back by two arc-shaped connecting plates. The first connecting plate 1 and the second connecting plate 3 respectively form the gravity vertical line with the upper and lower ends of the main support plate, so as to support the thigh mechanism, form the gravity transmission line, support the thigh mechanism from the front side of the calf to the back, and conduct the gravity of the thigh to the ground.

[0032] As shown in Figures 1 to 4 , the main support plate further includes a height adjusting mechanism. The height adjusting mechanism includes a height adjusting plate 7 rotatably arranged on the front side support member 5 and an elastic element applying elastic action to the height adjusting plate 7. The lower section sliding rod 6 is provided with a clamping groove 8. The clamping groove 8 is provided with a plurality of clamping grooves 8. All the clamping grooves 8 are arranged in sequence along the length direction of the lower section sliding rod 6 and are equidistantly distributed. The height adjusting plate 7 is provided with a clamping buckle 9 embedded in the clamping groove 8. The front side support member 5 is provided with a sliding groove for inserting the lower section sliding rod 6. The elastic element is clamped between the front side support member 5 and the height adjusting plate 7. The sliding groove is a groove extending in the vertical direction inside the front side support member 5. The upper end of the lower section sliding rod 6 is inserted into the sliding groove. After the clamping buckle 9 is removed from the clamping groove 8, the lower section sliding rod 6 can move linearly along the length direction of the sliding groove relative to the front side support member 5, so as to realize the length adjustment of the main support plate. The clamping buckle 9 and the clamping groove 8 are matched in shape. The clamping groove 8 is a groove arranged on the surface of the lower section sliding rod 6.

[0033] As shown in Figures 1 to 4As shown, the height adjustment plate 7 is provided with a circular shaft 10, and the front side support member 5 is provided with a shaft hole for inserting the circular shaft 10. Two circular shafts 10 are coaxially arranged, and the two circular shafts 10 are fixedly connected with the height adjustment plate 7 and respectively extend towards opposite sides of the height adjustment plate 7. Correspondingly, the front side support member 5 is provided with two shaft holes, each of the circular shafts 10 is inserted into one of the shaft holes, and the axis of the circular shaft 10 is a horizontal line. The height adjustment plate 7 is provided with a spring groove 13, the spring groove 13 and the buckle 9 are located on the same side of the height adjustment plate 7, the elastic element is a cylindrical coil spring and is a compression spring, the spring groove 13 is located above the buckle 9, one end of the elastic element is embedded in the spring groove 13, and the other end of the elastic element is embedded in a groove provided on the front side support member 5. The elastic element exerts an elastic force on the height adjustment plate 7 to make it rotate relative to the front side support member 5, and makes the height adjustment plate 7 rotate downward, so as to ensure that the buckle 9 on the height adjustment plate 7 is in the embedded state in the clamping groove 8. After the length adjustment of the main support plate is completed, the relative fixation of the front side support member 5 and the lower segment sliding rod 6 is realized, the movement of the lower segment sliding rod 6 is limited, and the length of the main support plate remains unchanged. By pressing the upper end of the height adjustment plate 7, the buckle 9 at the lower end of the height adjustment plate 7 is raised upward, the buckle 9 is separated from the clamping groove 8 on the lower segment sliding rod 6, and the lower segment sliding rod 6 can be moved. The above height adjustment mechanism is placed on the surface of the support member, is shaped according to the arc of the support member, has uniformity in appearance, is easy to operate, and is stable and reliable in support.

[0034] As shown in Figure 1 and Figure 5 , the grounding mechanism includes a grounding plate 11 and a connecting shaft 12 provided on the grounding plate 11, and the connecting shaft 12 is rotationally connected with the lower connection mechanism. The second connecting plate 3 is in an arc shape, the upper end of the second connecting plate 3 is rotationally connected with the lower end of the lower segment sliding rod 6, and the lower end of the second connecting plate 3 is rotationally connected with the grounding plate 11 through the connecting shaft 12, and the connecting shaft 12 is parallel to the circular shaft 10. The grounding plate 11 forms an integral structure with the shoe, or is fixed with the shoe worn by the human foot through a knob screw. The grounding plate 11 is in an L-shaped structure, and includes a plate-shaped body arranged vertically and a bottom plate arranged horizontally, the plate-shaped body and the bottom plate are fixedly connected perpendicularly, the connecting shaft 12 is arranged on the plate-shaped body, and the plate-shaped body is located between the second connecting plate 3 and the shoe. The bottom of the grounding plate 11 is the bottom plate extending horizontally inward, and in use, the bottom plate is located at the bottom of the shoe, and the bottom surface of the shoe is provided with a threaded hole through screw connection, so that the gravity is transmitted to the ground by the shoe sole and the bottom plate respectively. The connecting shaft 12 is arranged to be horizontally inserted into a circular hole arranged on the side of the shoe. Two grounding mechanisms are arranged, and the two grounding mechanisms are respectively connected with the two second connecting plates 3.

[0035] The utility model has been described exemplarily above in combination with the drawings. Apparently, the utility model is not limited by the above-mentioned mode in the specific implementation. As long as various non-essential improvements are made by adopting the method concept and technical scheme of the utility model; or the above-mentioned concept and technical scheme of the utility model are directly applied to other occasions without improvement, all are within the protection scope of the utility model.

Claims

1. A lower leg support for a walking aid, characterised in that: The main support plate, the grounding mechanism, the upper connecting mechanism and the lower connecting mechanism, the upper connecting mechanism is arranged to fix the main support plate on the front side of the lower leg, and the lower connecting mechanism is connected with the grounding mechanism.

2. The walker lower leg support frame according to claim 1, characterized in that: The upper connecting mechanism comprises two first connecting plates rotatably connected with the main support plate and a first band connected with the two first connecting plates, and the two first connecting plates are distributed on both sides of the lower leg.

3. The walker lower leg support frame according to claim 1, wherein: The lower connecting mechanism comprises two second connecting plates rotatably connected with the main support plate and a second band connected with the two second connecting plates, and the two second connecting plates are distributed on both sides of the lower leg and connected with the grounding mechanism.

4. The walker lower leg support frame according to claim 3, wherein: The second connecting plate is arc-shaped.

5. The walker lower leg support frame according to any one of claims 1 to 4, characterized in that: The length of the main support plate is adjustable.

6. The walker lower leg support frame according to claim 5, wherein: The main support plate comprises a front side support member and a lower section sliding rod connected with the front side support member, the front side support member is connected with the upper connecting mechanism, and the lower section sliding rod is connected with the lower connecting mechanism.

7. The walker lower leg support frame according to claim 6, characterized in that: The lower section sliding rod is in an inverted Y-shaped structure.

8. The walker lower leg support frame of claim 6, wherein: The main support plate further comprises a height adjusting mechanism, the height adjusting mechanism comprises a rotatable height adjusting plate arranged on the front side support member and an elastic element exerting elastic force on the height adjusting plate, the lower section sliding rod is provided with a plurality of clamping grooves arranged along the length direction of the lower section sliding rod, the height adjusting plate is provided with a clamping buckle embedded in the clamping grooves, the front side support member is provided with a sliding groove for inserting the lower section sliding rod, and the elastic element is clamped between the front side support member and the height adjusting plate.

9. The walker lower leg support frame according to claim 8, characterized in that: The height adjusting plate is provided with a circular shaft, and the front side support member is provided with a shaft hole for inserting the circular shaft.

10. The walker lower leg support frame according to any one of claims 1 to 4, characterized in that: The grounding mechanism comprises a grounding plate and a connecting shaft arranged on the grounding plate, and the connecting shaft is rotatably connected with the lower connecting mechanism.

Citation Information

Patent Citations

  • Leg supporting device

    CN221180887U