Detachable pedal of ultra-light high-strength portable rehabilitation wheelchair

By designing detachable foot pedals, the problems of cleaning dead spots and damage to traditional rehabilitation wheelchair foot pedals are solved, enabling convenient cleaning and quick replacement, improving maintenance efficiency and portability, and extending the service life of the wheelchair.

CN224023796UActive Publication Date: 2026-03-24DANYANG XINTAI MEDICAL APPLIANCES
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Traditional ultralight, high-strength portable rehabilitation wheelchairs use fixed foot pedals, making it difficult to thoroughly clean hard-to-reach areas, causing them to be easily damaged and unable to be quickly replaced, thus affecting maintenance efficiency.

Method used

Design a detachable foot pedal that enables quick assembly and disassembly via a connecting rod and assembly/disassembly components. Utilize aluminum alloy for increased strength and employ a return spring and adjusting bolts to ensure a stable connection.

Benefits of technology

It enables convenient cleaning and quick replacement of foot pedals, reduces cleaning dead spots, lowers the risk of damage, improves maintenance efficiency and portability, and extends the service life of the wheelchair.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224023796U_ABST
    Figure CN224023796U_ABST
Patent Text Reader

Abstract

The utility model discloses a detachable pedal plate of an ultralight high-strength portable rehabilitation wheelchair, which comprises a connecting rod arranged at the front end of the ultralight high-strength portable rehabilitation wheelchair, a pedal plate is arranged at the tail end of the connecting rod, a dismounting assembly is arranged at the tail end of the connecting rod, and the connecting rod is connected with the pedal plate through the dismounting assembly. Through the design of the detachable pedal plate, a user or a nurse is allowed to easily take down the pedal plate for cleaning, the problem that the fixed pedal plate is difficult to clean is avoided, cleaning dead angles are reduced, bacterial breeding and infection risks are effectively prevented, and good sanitary conditions are kept. When the pedal is damaged or abraded, the detachable design enables the pedal to be replaced easily and quickly, the maintenance efficiency is improved, and meanwhile the overall service life of the wheelchair is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a detachable footboard of superlight high strength portable rehabilitation wheelchair. BACKGROUND

[0002] With the development of society and the improvement of people's living standards, the rehabilitation wheelchair has become an indispensable auxiliary tool in the life of many people who have difficulty in moving.

[0003] The footboard of the traditional superlight high strength portable rehabilitation wheelchair usually adopts a fixed structure, and due to the structural limitation, there may be a cleaning dead angle, and it is difficult to completely remove dirt and bacteria. At the same time, during use, improper use may cause damage or wear, which makes it impossible to quickly replace the footboard, thereby affecting the maintenance efficiency of the footboard and the use effect.

[0004] Therefore, a detachable footboard of superlight high strength portable rehabilitation wheelchair is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a detachable footboard of superlight high strength portable rehabilitation wheelchair to solve the problem that the footboard of the rehabilitation wheelchair usually adopts a fixed structure in the above background technology, which is easily damaged or worn during use, cannot be quickly replaced, and affects the maintenance efficiency of the footboard.

[0006] To solve the above technical problems, the utility model provides the following technical scheme: a detachable footboard of superlight high strength portable rehabilitation wheelchair, including the connection link arranged at the front end of the superlight high strength portable rehabilitation wheelchair, the tail end of the connection link is provided with a footboard,

[0007] The tail end of the connection link is provided with a dismounting assembly, and the connection link is connected with the footboard through the dismounting assembly.

[0008] Preferably, the dismounting assembly includes two groups of connecting grooves at the tail end of the connection link, the inside of the connecting groove is slidably connected with a positioning knob, a reset spring is arranged in the inside of the connecting groove, and the reset spring is located below the positioning knob, so that the positioning knob is elastically moved in the inside of the connecting groove through the reset spring.

[0009] Preferably, the bottom of the connecting groove is provided with an adjusting pressing plate, the two sides of the adjusting pressing plate are provided with guide wings, and a threaded inner groove is formed in the middle of the adjusting pressing plate.

[0010] Preferably, the bottom end of the connecting groove is provided with an adjusting bolt matched with the threaded inner groove, and the end face of the adjusting bolt is arranged at the lower part of the connection link.

[0011] Preferably, the lower part of the connecting groove is provided with a concave groove for guiding the linear movement of the wing plate.

[0012] Preferably, one side of the foot pedal is sleeved with a sleeve plate at the tail end of the connecting rod, and the inside of the sleeve plate is provided with a channel matched with the connecting rod, the tail end of the channel is provided with a guide arc groove for sliding of a positioning knob, and the middle and end of the guide arc groove are provided with positioning grooves, and the depth of the guide arc groove gradually decreases from back to front.

[0013] Preferably, the side of the positioning groove is provided with a rotating arc groove, and the tail end of the rotating arc groove is provided with a positioning ball groove, and the rotating arc groove and the positioning ball groove are provided with a fillet.

[0014] Preferably, the lower end surface of the sleeve plate is provided with a broken groove, and the broken groove is matched with the adjusting bolt to allow the user to adjust the adjusting bolt through the broken groove.

[0015] Preferably, the ultra-light high-strength portable rehabilitation wheelchair is made of aluminum alloy material.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] The detachable foot pedal design allows users or caregivers to easily remove the foot pedal for cleaning, avoiding the problem of difficult cleaning of fixed foot pedals, reducing cleaning dead angles, effectively preventing bacterial growth and infection risks, and maintaining good sanitary conditions.

[0018] When the foot pedal is damaged or worn out, the detachable design makes it easy and fast to replace the component, improves the maintenance efficiency, and also prolongs the overall service life of the wheelchair.

[0019] The detachable foot pedal can be removed when not in use, avoiding accidental collisions and extrusions during transfer, storage or transportation, thereby reducing the risk of damage and prolonging the service life of the foot pedal.

[0020] Users can quickly detach or install the foot pedal according to actual needs, meeting the use requirements in different scenarios, such as detaching the foot pedal when transfer or storage is needed, making the wheelchair smaller in size, facilitating operation and storage. At the same time, the foot pedal can be rotated outward by 90° and fixed, realizing folding storage, reducing the size of the wheelchair during storage and transportation, and improving portability.

[0021] By regular detachment and inspection, small problems can be found and handled in time, avoiding their development into larger faults, reducing the number of maintenance and costs, and also helping to prolong the service life of the wheelchair. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1It is the whole structure schematic view of the embodiment of the utility model;

[0023] Figure 2 It is the link connecting rod structure schematic view of the embodiment of the utility model;

[0024] Figure 3 It is the dismounting assembly cut structure schematic view of the embodiment of the utility model;

[0025] Figure 4 It is the structure amplification schematic view of A place of the embodiment of the utility model;

[0026] Figure 5 It is the footboard structure schematic view of the embodiment of the utility model;

[0027] Figure 6 It is the structure amplification schematic view of B place of the embodiment of the utility model.

[0028] In the drawing: 1, link connecting rod; 2, footboard; 201, cover plate; 202, passageway; 203, guide arc groove; 2031, positioning groove; 204, rotation arc groove; 205, positioning ball groove; 206, break groove; 3, dismounting assembly; 301, connecting groove; 3011, concave groove; 302, positioning knob; 303, reset spring; 304, adjusting pressure plate; 3041, guide wing plate; 3042, screw thread inner groove; 305, adjusting bolt. DETAILED DESCRIPTION

[0029] In order to solve the problem that the footboard of the rehabilitation wheelchair usually adopts fixed structure, is easily damaged or worn in the use process, cannot be quickly replaced, and the maintenance efficiency of the footboard is affected, the utility model provides a detachable footboard of super-light high-strength portable rehabilitation wheelchair. The technical scheme in the embodiment of the utility model will be clearly and completely described in combination with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0030] Please refer to Figures 1-6The utility model provides a detachable footboard of superlight high strength portable rehabilitation wheelchair, including the link rod 1 of setting in superlight high strength portable rehabilitation wheelchair front end, the tail end of link rod 1 is provided with footboard 2, one side of footboard 2 is sleeved in the tail end place of link rod 1 through sleeve board 201, and the inside of sleeve board 201 is provided with the passageway 202 of cooperation with link rod 1, the tail end place of passageway 202 is provided with the guide arc groove 203 for the sliding of positioning knob 302, is provided with positioning groove 2031 in the middle part and the end of guide arc groove 203, and the depth of guide arc groove 203 gradually becomes smaller from back to front.

[0031] The side of positioning groove 2031 is provided with rotating arc groove 204, and the tail end of rotating arc groove 204 is provided with positioning ball groove 205, and rotating arc groove 204 and positioning ball groove 205 are provided with rounded corners.

[0032] The tail end of link rod 1 is provided with dismounting assembly 3, and link rod 1 is connected with footboard 2 through dismounting assembly 3. Dismounting assembly 3 includes two groups of connecting grooves 301 at the tail end of link rod 1, positioning knob 302 is slidably connected in the inside of connecting groove 301, reset spring 303 is arranged in the inside of connecting groove 301, and reset spring 303 is below positioning knob 302, so that positioning knob 302 is elastically moved in the inside of connecting groove 301 through reset spring 303. The bottom of connecting groove 301 is provided with adjusting pressure plate 304, the both sides of adjusting pressure plate 304 are provided with guide wing plate 3041, and threaded inner groove 3042 is formed in the middle part of adjusting pressure plate 304. The bottom end of connecting groove 301 is provided with adjusting screw 305 matched with threaded inner groove 3042, and the end face of adjusting screw 305 is arranged in the lower part of link rod 1. The lower part of connecting groove 301 is provided with concave groove 3011 for the linear movement of guide wing plate 3041.

[0033] The portable rehabilitation wheelchair with ultra-light high strength is made of aluminum alloy material.

[0034] The working principle of the detachable foot plate 2 of the portable rehabilitation wheelchair with ultra-light high strength is as follows: during installation, the sleeve plate 201 on one side of the foot plate 2 is aligned with the tail end of the connecting rod 1, and the channel 202 in the sleeve plate 201 is matched with the connecting rod 1.

[0035] The foot plate 2 is slid backward along the connecting rod 1, and in the sliding process, the positioning knob 302 slides in the guide arc groove 203 of the sleeve plate 201.

[0036] When the foot plate 2 is slid to the appropriate position, the positioning knob 302 is clamped into the positioning groove of the guide arc groove 203 under the action of the reset spring 303, thereby realizing the preliminary positioning of the foot plate 2.

[0037] Then the foot plate 2 can be rotated outward by 90 degrees, the positioning knob 302 is rotated to the inside of the positioning ball groove 205 through the rotating arc groove 204, and the foot plate 2 after being rotated by 90 degrees is fixed, so that the foot plate 2 is folded and stored.

[0038] During disassembly, the adjusting bolt 305 is rotated in the opposite direction, so that it controls the adjusting pressure plate 304 to move downward through the threaded inner groove 3042, reduces the extrusion effect on the reset spring 303, and then pulls the sleeve plate 201, the positioning knob 302 is slid downward by overcoming the elastic force of the reset spring 303 through the spherical surface at the top end of the positioning knob 302, so that the positioning knob 302 is moved out of the positioning groove.

[0039] After the positioning knob 302 is separated from the positioning groove, the foot plate 2 is slid forward, so that the sleeve plate 201 is removed from the tail end of the connecting rod 1, and the disassembly of the foot plate 2 is completed.

[0040] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A detachable foot pedal for an ultralight, high-strength, portable rehabilitation wheelchair, characterized in that: It includes a connecting rod (1) set at the front end of the ultralight high-strength portable rehabilitation wheelchair, and a foot pedal (2) is provided at the tail end of the connecting rod (1). The connecting rod (1) is provided with a disassembly assembly (3) at its tail end. The disassembly assembly (3) includes two sets of connecting grooves (301) located at the tail end of the connecting rod (1). A positioning button (302) is slidably connected inside the connecting groove (301). A return spring (303) is provided inside the connecting groove (301), and the return spring (303) is located below the positioning button (302) so that the positioning button (302) can move elastically inside the connecting groove (301) through the return spring (303). The connecting rod (1) is connected to the foot pedal (2) via the disassembly assembly (3).

2. The detachable footrest of the ultralight, high-strength portable rehabilitation wheelchair according to claim 1, characterized in that: An adjusting pressure plate (304) is provided at the bottom of the connecting groove (301), and guide vanes (3041) are provided on both sides of the adjusting pressure plate (304). A threaded inner groove (3042) is provided in the middle of the adjusting pressure plate (304).

3. The detachable footrest of an ultralight, high-strength portable rehabilitation wheelchair according to claim 2, characterized in that: The bottom end of the connecting groove (301) is provided with an adjusting bolt (305) that cooperates with the threaded inner groove (3042), and the end face of the adjusting bolt (305) is located at the lower part of the connecting rod (1).

4. The detachable footrest of an ultralight, high-strength portable rehabilitation wheelchair according to claim 3, characterized in that: The lower part of the connecting groove (301) is provided with a concave groove (3011) for linear movement of the guide wing plate (3041).

5. The detachable footrest of an ultralight, high-strength portable rehabilitation wheelchair according to claim 4, characterized in that: One side of the foot pedal (2) is fitted onto the tail end of the connecting rod (1) via a sleeve plate (201), and the sleeve plate (201) has a channel (202) that cooperates with the connecting rod (1) inside. The tail end of the channel (202) has a guide arc groove (203) for sliding the positioning button (302). Positioning grooves (2031) are provided in the middle and at the end of the guide arc groove (203), and the depth of the guide arc groove (203) gradually decreases from back to front.

6. The detachable footrest of an ultralight, high-strength portable rehabilitation wheelchair according to claim 5, characterized in that: The positioning groove (2031) is provided with a rotating arc groove (204) on each side, and a positioning ball groove (205) is provided at the tail end of the rotating arc groove (204). The rotating arc groove (204) and the positioning ball groove (205) are set with rounded corners.

7. The detachable footrest of an ultralight, high-strength portable rehabilitation wheelchair according to claim 6, characterized in that: The lower end face of the sleeve (201) is provided with a groove (206), and the groove (206) is configured to cooperate with the adjusting bolt (305) so that the user can adjust the adjusting bolt (305) through the groove (206).

8. The detachable footrest of an ultralight, high-strength portable rehabilitation wheelchair according to claim 1, characterized in that: The ultralight, high-strength portable rehabilitation wheelchair is made of aluminum alloy.