Quick release structure of motor for wheelchair

By using a quick-release structure design, including a fixing column, snap-fit ​​components, and a fixing component, the problem of cumbersome motor disassembly is solved, enabling rapid installation and removal of the motor and improving the efficiency of electric wheelchair use and the stability of the motor.

CN224068451UActive Publication Date: 2026-03-31NANTONG ZHIYOU MEDICAL TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-18
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

In the existing technology, the motor is fixed to the electric wheelchair with bolts, which makes disassembly cumbersome and reduces disassembly efficiency.

Method used

It adopts a quick-release structure, including a fixing post, a snap-fit ​​component, and a fixing component. The drive motor is placed through the base plate. The snap-fit ​​component and the fixing component can stably fix and remove the motor without tools. The combination design of the plug rod, slide plate and buckle plate realizes quick installation and removal.

Benefits of technology

It enables quick installation and removal of the motor, improves disassembly efficiency, and enhances the stability and service life of the motor in the electric wheelchair.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a quick release structure of a motor for a wheelchair, and relates to the technical field of wheelchair motor installation, the quick release structure comprises a fixing column, a clamping assembly and fixing assemblies, the fixing column is arranged on an electric wheelchair, the clamping assembly is clamped on the fixing column, a bottom plate is arranged on the clamping assembly, a driving motor is placed on the bottom plate, a set of fixing assemblies is arranged on the opposite side of the bottom plate, and the fixing assemblies are arranged on the opposite side of the bottom plate. The fixing assembly clamps and fixes the driving motor; by arranging the fixing assembly, the driving motor can be conveniently clamped and fixed to the bottom plate, tools are not needed, the driving motor is stably fixed, the stability of the driving motor in the running process of the electric wheelchair is guaranteed, the clamping assembly is connected with the bottom plate, the driving motor can be conveniently installed on the electric wheelchair, and the clamping assembly is convenient to disassemble without tools; the driving motor dismounting efficiency is improved.
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Description

Technical Field

[0001] This application relates to the field of wheelchair motor installation technology, and in particular to quick-release structures for wheelchair motors. Background Technology

[0002] An electric wheelchair is a battery-powered wheelchair equipped with an electric motor, designed specifically for users with mobility impairments or weak upper limb strength. It can significantly improve the user's independence and range of motion. As an important mobility aid, electric wheelchairs provide great convenience and safety for people with mobility impairments. With the continuous advancement of technology, the functions and performance of electric wheelchairs are constantly improving, better meeting the needs of different users.

[0003] Considering the battery life of electric wheelchairs and the lifespan of motors, motors need to be disassembled and replaced. In the existing technology, motors are usually fixed to electric wheelchairs with bolts, and tools are needed to disassemble the motors.

[0004] Regarding the aforementioned technologies, the inventors believe that bolting the motor is cumbersome, troublesome, inconvenient to disassemble, and reduces disassembly efficiency. Utility Model Content

[0005] The purpose of this application is to provide a quick-release structure for a wheelchair motor to improve the problem that bolt-fixing of the motor is cumbersome, troublesome, inconvenient to disassemble, and reduces disassembly efficiency.

[0006] This application provides a quick-release structure for a wheelchair motor, employing the following technical solution:

[0007] The quick-release structure for a wheelchair motor includes a fixing column, a locking assembly, and a fixing assembly. The fixing column is mounted on the electric wheelchair, the locking assembly is locked onto the fixing column, the locking assembly has a base plate, a drive motor is placed on the base plate, and a set of fixing assemblies is provided on the opposite side of the base plate. The fixing assemblies lock and fix the drive motor.

[0008] By adopting the above technical solution, the drive motor is placed on the base plate, and the drive motor is easily locked onto the base plate by the fixing component. The drive motor is stably fixed without the need for tools, ensuring the stability of the drive motor during the operation of the electric wheelchair. The locking component connects to the base plate, making it easy to install the drive motor onto the electric wheelchair. The locking component does not require tools and is easy to disassemble, improving the disassembly efficiency of the drive motor.

[0009] Optionally, the fixing post is provided with a plurality of fixing holes along the length of the fixing post.

[0010] By adopting the above technical solution, the fixing holes facilitate the fixing of the locking component. At the same time, the multiple fixing holes facilitate the adjustment of the position of the locking component, i.e., the adjustment of the position of the drive motor. Meanwhile, the damage of a single fixing hole is avoided, thus improving the service life of the fixing post.

[0011] Optionally, the engaging assembly includes a connecting plate, an engaging plate, a plug rod, and a sliding plate. The plug rod is disposed on the connecting plate and inserted into a fixing hole. The engaging plate is disposed on the connecting plate. When the plug rod is inserted into the fixing hole, the engaging plate can be engaged with the fixing post by rotating the engaging assembly. The sliding plate is slidably connected to one side of the engaging plate.

[0012] By adopting the above technical solution, by setting the insertion and fixing holes of the plug rod, by rotating the locking assembly to make the locking plate fit against the locking fixing post, and by setting the sliding plate to connect and fix the locking plate, the locking assembly is stably fixed on the fixing post. At the same time, the insertion and locking method is quick and convenient, improving the efficiency of installation and disassembly of the drive motor.

[0013] Optionally, a groove is provided on one side of the locking plate, and a slide bar is provided on one side of the sliding plate. The groove and the slide bar are slidably connected, and the sliding plate engages with the locking plate to lock the four sides of the fixing post.

[0014] By adopting the above technical solution, the sliding plate is fixed by setting a sliding groove and a sliding strip, which prevents the sliding plate from falling off and affecting the tightness of the locking component, thus improving the fixing stability of the locking component.

[0015] Optionally, a pin is provided on the base plate, and a corresponding insertion hole is provided on the bottom surface of the drive motor.

[0016] By adopting the above technical solution, the drive motor is pre-fixed by setting a pin to engage with the insertion hole, which facilitates quick installation of the drive motor and improves installation efficiency; at the same time, it improves the installation accuracy of the drive motor and facilitates the fixing components to fix the drive motor.

[0017] Optionally, the fixing component includes a fixing seat, a buckle plate, and a locking pad. The fixing seats are arranged in groups on opposite sides of the base plate. One end of the buckle plate is hinged to the fixing seat. The locking pad is mounted on the drive motor. The end of the buckle plate away from the fixing seat engages with the locking pad.

[0018] By adopting the above technical solution, the drive motor is stably fixed by setting a snap-on hinge pad to fasten the locking pad on the drive motor. At the same time, the drive motor can be loosened and tightened by opening and closing the snap-on plate, which facilitates operation and improves the efficiency of installing and disassembling the drive motor.

[0019] Optionally, a protrusion is provided at the end of the buckle away from the fixing seat, and the protrusion abuts tightly against the locking pad side when the buckle is fastened.

[0020] By adopting the above technical solution, by setting a protrusion that abuts against the locking pad side when the buckle is fastened, the locking ability of the fixing component is enhanced, the fixing ability of the buckle to the drive motor is enhanced, the drive motor is fixed more stably, and the drive motor is prevented from becoming loose.

[0021] Optionally, the buckle plate is provided with anti-slip blocks.

[0022] By adopting the above technical solution and setting anti-slip blocks, the friction when using the buckle is increased, preventing the hand from slipping when opening and closing the buckle, and making it easier for people to open and close the buckle manually.

[0023] In summary, this application includes at least the following beneficial technical effects of the quick-release structure for wheelchair motors:

[0024] 1. The drive motor is placed on the base plate, and the fixed component makes it easy to snap the drive motor onto the base plate without the need for tools. This stable fixation of the drive motor ensures the stability of the drive motor during the operation of the electric wheelchair. The snap-fit ​​component connects to the base plate, making it easy to install the drive motor onto the electric wheelchair. The snap-fit ​​component does not require tools and is easy to disassemble, improving the efficiency of drive motor disassembly.

[0025] 2. By setting the insertion and fixing holes of the plug rod, the locking plate is made to fit against the locking and fixing post by rotating the locking assembly. The locking plate is fixed by setting the sliding plate, so that the locking assembly is stably fixed on the fixing post. At the same time, the insertion and locking method is quick and convenient, improving the efficiency of installation and disassembly of the drive motor.

[0026] 3. By setting a snap-on hinge pad to fasten the locking pad on the drive motor, the drive motor is stably fixed. At the same time, the drive motor can be loosened and tightened by switching the snap-on plate, which facilitates operation and improves the efficiency of installing and removing the drive motor. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall structure of the quick-release mechanism for a wheelchair motor.

[0028] Figure 2 yes Figure 1 An enlarged schematic diagram of the structure at point A in the middle.

[0029] Figure 3 This is a schematic diagram illustrating the structure of the locking component in the embodiment.

[0030] Figure 4 This is a schematic diagram illustrating the base plate structure in the embodiment.

[0031] Figure 5 This is a schematic diagram illustrating the bottom structure of the drive motor.

[0032] In the diagram, 1 is a fixing post; 11 is a fixing hole; 2 is a locking assembly; 21 is a connecting plate; 22 is a locking plate; 221 is a sliding groove; 23 is a plug rod; 24 is a sliding plate; 241 is a sliding strip; 3 is a fixing assembly; 31 is a fixing base; 32 is a buckle plate; 321 is a protrusion; 33 is a locking pad; 4 is a base plate; 41 is a pin; 5 is a drive motor; 51 is a plug hole; and 6 is an anti-slip block. Detailed Implementation

[0033] The following is in conjunction with the appendix Figure 1 -Appendix Figure 5 This application will be described in further detail below.

[0034] For the quick-release structure of the wheelchair motor, refer to... Figure 1 , Figure 2 , Figure 3 The system includes a fixing post 1, a locking assembly 2, and a fixing assembly 3. The fixing post 1 is welded to the bottom of the electric wheelchair chair. Several fixing holes 11 are opened through the fixing post 1 along its length. The locking assembly 2 includes a connecting plate 21, a locking plate 22, a plug rod 23, and a sliding plate 24. The plug rod 23 is set on the connecting plate 21 and is inserted into the fixing holes 11. The locking plate 22 is set on the connecting plate 21 and is L-shaped. When the plug rod 23 is inserted into the fixing holes 11, the locking plate 22 can be locked with the fixing post 1 by rotating the locking assembly 2.

[0035] The locking plate 22 has a groove 221 on one side and a slide bar 241 on one side. The groove 221 and the slide bar 241 are slidably connected. The cross-section of the groove 221 is convex. The slide bar 241 is adapted to it so that the slide bar 24 cannot move away from the locking plate 22 except by sliding in the groove 221. The slide bar 24 cooperates with the locking plate 22 to lock the four sides of the fixing column 1.

[0036] Reference Figure 1 , Figure 4 , Figure 5 The engaging assembly 2 is provided with a base plate 4, which has two pins 41. A drive motor 5 is placed on the base plate 4. The bottom surface of the drive motor 5 is provided with a socket 51 corresponding to the pins 41. The drive motor 5 is pre-fixed by the pins 41 and the socket 51. The drive motor 5 is provided with an engaging pad 33, which is a rubber pad. Two engaging pads are provided and are attached to the drive motor 5 by an adhesive material.

[0037] Reference Figure 1 , Figure 4The locking pad 33 is part of the fixing component 3. The fixing component 3 also includes a fixing seat 31 and a buckle plate 32. The fixing seats 31 are arranged in groups on opposite sides of the base plate 4. The buckle plate 32 is arranged between a group of fixing seats 31. The fixing seat 31 has a hole. One end of the buckle plate 32 is hinged to the fixing seat 31 through a rod. The locking pad 33 is arranged on the drive motor 5 at the position corresponding to the buckle plate 32 to ensure that the buckle plate 32 can abut against the locking pad 33 after rotating and locking.

[0038] The end of the buckle plate 32 away from the fixing seat 31 is integrally provided with a protrusion 321. When the buckle plate 32 is fastened, the protrusion 321 is tightly abutted against one side of the locking pad 33 to ensure that the buckle plate 32 is tightly locked. The buckle plate 32 is integrally provided with an anti-slip block 6. The anti-slip block 6 has several evenly arranged grooves to improve the friction of the buckle plate 32.

[0039] The implementation principle of this application embodiment is as follows:

[0040] In actual use, if the installed drive motor 5 needs to be removed, first slide out the slide plate 24, rotate the locking plate 22, pull out the plug rod 23, take out the drive motor 5, and loosen the clamping component 3 on the drive motor 5 by prying open the buckle plate 32. The disassembly is completed without the need for tools, which is convenient and improves the disassembly efficiency. If necessary, the drive motor 5 can be taken out directly by prying open the buckle plate 32.

[0041] The embodiments described in this specific implementation are preferred embodiments of this application and are not intended to limit the scope of protection of this application. Identical components are represented by the same reference numerals. Therefore, all equivalent changes made to the structure, shape, and principle of this application should be included within the scope of protection of this application.

Claims

1. A quick release structure of a motor for a wheelchair, characterized by: Including fixed column (1), clamping assembly (2), fixed assembly (3), the fixed column (1) is arranged on the electric wheelchair, the clamping assembly (2) is clamped on the fixed column (1), the clamping assembly (2) is provided with the bottom plate (4), the driving motor (5) is placed on the bottom plate (4), the fixed assembly (3) is provided with a group on the opposite side of the bottom plate, and the fixed assembly (3) clamps and fixes the driving motor (5).

2. The quick release structure of a motor for a wheelchair according to claim 1, characterized in that: A plurality of fixed holes (11) are formed in the fixed column (1) along the length direction of the fixed column (1).

3. The quick release structure of a motor for a wheelchair according to claim 1, characterized in that: The clamping assembly (2) includes a connecting plate (21), a clamping plate (22), a plug rod (23) and a sliding plate (24), the plug rod (23) is arranged on the connecting plate (21), the plug rod (23) is inserted into the fixed hole (11), the clamping plate (22) is arranged on the connecting plate (21), when the plug rod (23) is inserted into the fixed hole (11), the clamping plate (22) can be clamped with the fixed column (1) by rotating the clamping assembly (2), and the sliding plate (24) is slidably connected with one side of the clamping plate (22).

4. The quick release structure of a motor for a wheelchair according to claim 3, characterized in that: One side of the clamping plate (22) is provided with a sliding groove (221), one side of the sliding plate (24) is provided with a sliding strip (241), the sliding groove (221) and the sliding strip (241) are slidably connected, and the sliding plate (24) is clamped with the four side surfaces of the fixed column (1) in cooperation with the clamping plate (22).

5. The quick release structure of a motor for a wheelchair according to claim 1, wherein: The bottom plate (4) is provided with a bolt (41), and the bottom surface of the driving motor (5) is provided with a insertion hole (51) correspondingly.

6. The quick release structure of a motor for a wheelchair according to claim 1, wherein: The fixed assembly (3) includes a fixed seat (31), a buckle plate (32) and a clamping pad (33), the fixed seat (31) is arranged in groups on the opposite side of the bottom plate (4), one end of the buckle plate (32) is hingedly connected with the fixed seat (31), the clamping pad (33) is arranged on the driving motor (5), and the end, away from the fixed seat (31), of the buckle plate (32) is clamped with the clamping pad (33).

7. The quick release structure of a motor for a wheelchair according to claim 6, characterized in that: The end, away from the fixed seat (31), of the buckle plate (32) is provided with a protruding block (321), and the protruding block (321) is tightly abutted with one side of the clamping pad (33) when the buckle plate (32) is buckled.

8. The quick release structure of a motor for a wheelchair according to claim 6, characterized in that: The buckle plate (32) is provided with an anti-skid block (6).