A foldable mobility scooter

CN122561184APending Publication Date: 2026-08-14CHANGZHOU ZHONGJIN MEDICAL DEVICES CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-05-25
Publication Date
2026-08-14

AI Technical Summary

Technical Problem

[0003]目前,现有的电动代步车体积较大,大部分的电动代步车都不可折叠使其体积变小,在运输或存放的过程中显得十分不便,能够折叠的电动代步车却因其折叠设计的问题使折叠效果不理想

Benefits of technology

[0015] The beneficial effects of the present invention are as follows: The foldable mobility scooter provided by the present invention, by setting a folding component, can disengage or engage with the lever by rotating the handle, thereby enabling the front and rear bodies to fold downwards, resulting in a better folding effect. In addition, by setting a front link and a rear link, the front link and the rear link together support the seat, thereby improving the support of the seat. At the same time, the seat, the rear link and the backrest link form a triangular structure, thereby improving the stability of the seat.

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Abstract

This invention discloses a foldable mobility scooter, comprising a front assembly, a front frame assembly, a rear frame assembly, a folding assembly, a seat, and a backrest assembly. The front frame assembly includes a front body and a front lower linkage. The folding assembly includes a fixed base, a handle, a locking lever, a stabilizing plate, and a connecting plate. The handle and stabilizing plate are engaged with the locking lever. The rear frame assembly includes a rear body, a front linkage, and a rear linkage. The backrest assembly includes a backrest and a backrest linkage. This foldable mobility scooter, by incorporating a folding assembly and rotating the handle, allows the handle to disengage from or engage with the locking lever, enabling the front and rear bodies to fold downwards, resulting in a better folding effect. Furthermore, the front and rear linkages together support the seat, improving its support. Additionally, the seat, rear linkage, and backrest linkage form a triangular structure, enhancing the seat's stability.
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Description

Technical Field

[0001] This invention relates to the field of mobility scooter technology, and in particular, to a foldable mobility scooter. Background Technology

[0002] Mobility scooters are low-speed electric vehicles, also known as "lazy person's vehicles." They are transportation tools and auxiliary tools used for getting around, and can also be called four-wheeled electric mobility scooters. They are a type of transportation that has emerged in recent years, mainly targeting elderly people who travel for leisure, picking up and dropping off children, shopping, etc. However, because electric mobility scooters are inexpensive, easy to operate, and have relatively low safety risks, they are favored by many consumers.

[0003] Currently, existing electric mobility scooters are quite large, and most of them cannot be folded to reduce their size, making them very inconvenient to transport or store. Foldable electric mobility scooters, on the other hand, suffer from unsatisfactory folding results due to their folding design. Summary of the Invention

[0004] Therefore, it is necessary to provide a foldable mobility scooter with good folding performance.

[0005] The technical solution adopted by the present invention to solve its technical problem is: a foldable mobility scooter, the foldable mobility scooter including a front assembly, a front frame assembly, a rear frame assembly, a folding assembly, a seat hinged to the upper end of the rear frame assembly, and a backrest assembly. The front frame assembly includes a front body connected to the front assembly and a front lower link hinged to the front body. The folding assembly includes a fixed seat on the front body, a handle rotatably mounted on the fixed seat, a locking rod passing through the two front lower links, a stabilizing plate rotatably mounted on the fixed seat, and a connecting plate between the handle and the stabilizing plate. The handle and the stabilizing plate are both engaged with the locking rod. The rear frame assembly includes a rear body hinged to the front body and a front link and a rear link hinged between the rear body and the seat. The backrest assembly includes a backrest rotatably mounted at one end of the seat and a backrest link hinged between the rear link and the backrest.

[0006] Furthermore, the rear frame assembly also includes a rear lower link hinged to the front vehicle body and a hinge rod hinged to the rear lower link. The other end of the hinge rod is fixedly connected to the front link, and the other end of the front lower link is hinged to the rear vehicle body.

[0007] Furthermore, the handle includes a handle portion, a connecting portion, a hinge portion, and a locking portion. There are two of each of the connecting portion, the hinge portion, and the locking portion. The two connecting portions are disposed at opposite ends of the handle portion. The hinge portion is fixedly connected to the connecting portion. One end of the hinge portion is hinged to the fixed base, and the other end of the hinge portion is hinged to the connecting plate. The locking portion is fixedly connected to the hinge portion and engages with the locking rod.

[0008] Furthermore, one end of the connecting plate is hinged to the handle, and the other end of the connecting plate is hinged to the stabilizing plate.

[0009] Furthermore, the front assembly includes a support frame, a support rod, a left turn signal plate, a right turn signal plate, a vertical pole, an adjusting rod, a locking component, and a handlebar. The support rod is fixedly connected to the support frame. The left turn signal plate and the right turn signal plate are both hinged between the support frame and the support rod. The vertical pole is fixedly connected to the support rod. The adjusting rod is telescopically disposed inside the vertical pole. The locking component is disposed outside the vertical pole and is used to lock and fix the vertical pole and the adjusting rod. The handlebar is fixedly connected to the adjusting rod.

[0010] Furthermore, the upright has a groove.

[0011] Furthermore, the locking element is a clamp.

[0012] Furthermore, front wheels are rotatably provided at both ends of the support frame.

[0013] Furthermore, the rear vehicle body is rotatably equipped with rear wheels at both ends of the end away from the front vehicle body.

[0014] Furthermore, the foldable mobility scooter includes an anti-rollover assembly, which includes an anti-rollover linkage and an anti-rollover wheel. One end of the anti-rollover linkage is fixedly connected to the rear vehicle body, and the anti-rollover wheel is rotatably disposed at the other end of the anti-rollover linkage.

[0015] The beneficial effects of the present invention are as follows: The foldable mobility scooter provided by the present invention, by setting a folding component, can disengage or engage with the lever by rotating the handle, thereby enabling the front and rear bodies to fold downwards, resulting in a better folding effect. In addition, by setting a front link and a rear link, the front link and the rear link together support the seat, thereby improving the support of the seat. At the same time, the seat, the rear link and the backrest link form a triangular structure, thereby improving the stability of the seat. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0017] Figure 1 This is a schematic diagram of the structure of the foldable mobility vehicle of the present invention when unfolded;

[0018] Figure 2 yes Figure 1 The diagram shows a foldable mobility scooter in its semi-folded state.

[0019] Figure 3 yes Figure 1 The diagram shows the fully folded structure of the foldable mobility scooter.

[0020] Figure 4 yes Figure 1 The diagram shows a foldable mobility scooter that is missing some of the front end components and rollover protection components.

[0021] Figure 5 yes Figure 1 The diagram shows the structure of the folding assembly, front body, front lower linkage, and rear body of the foldable mobility scooter.

[0022] Figure 6 yes Figure 5 A magnified view of part A in the foldable mobility scooter shown.

[0023] The component names and their numbers in the diagram are as follows: 1. Front end assembly; 11. Support frame; 12. Support rod; 13. Left steering wheel; 14. Right steering wheel; 15. Upright pole; 151. Groove; 16. Adjusting rod; 17. Locking element; 18. Handlebar; 19. Front wheel; 2. Front frame assembly; 21. Fixing plate; 22. Front body; 23. Connecting plate; 24. Front lower link; 3. Rear frame assembly; 31. Rear body; 32. Rear... 33. Lower link; 34. Hinge link; 35. Front link; 36. Rear link; 4. Rear wheel; 4. Folding assembly; 41. Fixed base; 42. Handle; 421. Handle part; 422. Connecting part; 423. Hinge part; 424. Snap-fit ​​part; 43. Stabilizing plate; 44. Connecting plate; 5. Seat; 6. Backrest assembly; 61. Backrest; 62. Backrest link; 7. Anti-rollover assembly; 71. Anti-rollover link; 72. Anti-rollover wheel. Detailed Implementation

[0024] The present invention will now be described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the invention, and therefore only show the components relevant to the invention.

[0025] Please see Figures 1 to 6The present invention provides a foldable mobility scooter, which includes a front assembly 1, a front frame assembly 2, a rear frame assembly 3, a folding assembly 4, a seat 5, a backrest assembly 6, and an anti-rollover assembly 7. The front frame assembly 2 is movably connected to the front assembly 1, the rear frame assembly 3 is movably connected to the front frame assembly 2, the folding assembly 4 is disposed between the front frame assembly 2 and the rear frame assembly 3, the seat 5 is hinged to the upper end of the rear frame assembly 3, the backrest assembly 6 is movably disposed between the seat 5 and the rear frame assembly 3, and the anti-rollover assembly 7 is movably disposed at the end of the rear frame assembly 3 away from the front frame assembly 2.

[0026] The front assembly 1 includes a support frame 11, a support rod 12, a left steering plate 13, a right steering plate 14, a vertical pole 15, an adjusting rod 16, a locking element 17, and a handlebar 18. The support rod 12 is fixedly connected to the support frame 11. The left steering plate 13 and the right steering plate 14 are both hinged between the support frame 11 and the support rod 12. The vertical pole 15 is fixedly connected to the support rod 12. The adjusting rod 16 is telescopically disposed inside the vertical pole 15. The locking element 17 is disposed outside the vertical pole 15 and is used to lock and fix the vertical pole 15 and the adjusting rod 16. The handlebar 18 is fixedly connected to the adjusting rod 16. In this embodiment, the locking element 17 is a clamp.

[0027] In order to lock and fix the adjusting rod 16 and the upright rod 15, a groove 151 is provided on the upright rod 15. When locking, the bolt is passed through the locking part 17 and then fixed with a nut. Tightening the nut reduces the width of the groove 151 on the upright rod 15, thereby enabling the upright rod 15 to lock the adjusting rod 16, and thus achieving relative fixation between the adjusting rod 16 and the upright rod 15.

[0028] Furthermore, front wheels 19 are rotatably provided at both ends of the support frame 11.

[0029] The front frame assembly 2 includes a fixing plate 21, a front vehicle body 22, a connecting plate 23, and a front lower link 24. The fixing plate 21 is hinged to the support frame 11, the front vehicle body 22 is fixedly connected to the fixing plate 21, the connecting plate 23 is fixedly connected to the support frame 11, and the front lower link 24 is hinged to the connecting plate 23.

[0030] The rear frame assembly 3 includes a rear body 31, a rear lower link 32, a hinge rod 33, a front link 34, and a rear link 35. The rear body 31 is hinged to the front body 22. The other end of the front lower link 24 is hinged to the rear body 31. The rear lower link 32 is hinged to the front body 22. The hinge rod 33 is hinged to the rear lower link 32. The front link 34 and the rear link 35 are both hinged between the rear body 31 and the seat 3, and the front link 34 and the rear link 35 are parallel. The other end of the hinge rod 33 is fixedly connected to the front link 34.

[0031] Furthermore, rear wheels 36 are rotatably mounted on both ends of the rear vehicle body 31 at the end furthest from the front vehicle body 22.

[0032] The folding assembly 4 includes a fixed base 41, a handle 42, a locking rod (not shown), a stabilizing plate 43, and a connecting plate 44. The fixed base 41 is fixedly mounted on the front body 22. The handle 42 is rotatably mounted on the fixed base 41. The locking rod passes through two front lower connecting rods 24 and engages with the handle 42. One end of the stabilizing plate 43 is rotatably mounted on the fixed base 41 and engages with the locking rod. The connecting plate 44 is disposed between the handle 42 and the stabilizing plate 43, with one end hinged to the handle 42 and the other end hinged to the stabilizing plate 43. In use, rotating the handle 42 allows both the handle 42 and the stabilizing plate 43 to disengage from or engage with the locking rod.

[0033] The handle 42 includes a handle portion 421, a connecting portion 422, a hinge portion 423, and a locking portion 424. Each of the connecting portion 422, hinge portion 423, and locking portion 424 has two parts. The two connecting portions 422 are located at opposite ends of the handle portion 421. The hinge portion 423 is fixedly connected to the connecting portion 422. One end of the hinge portion 423 is hinged to the fixed base 421, and the other end is hinged to the connecting plate 44. The locking portion 424 is fixedly connected to the hinge portion 423 and engages with the locking rod. In use, rotating the handle portion 421 allows the locking portion 424 to disengage from or engage with the locking rod.

[0034] The backrest assembly 6 includes a backrest 61 and a backrest link 62. The backrest 61 is rotatably mounted at one end of the seat 5, and the backrest link 62 is hinged between the rear link 35 and the backrest 61.

[0035] The anti-rollover assembly 7 includes an anti-rollover link 71 and an anti-rollover wheel 72. One end of the anti-rollover link 71 is fixedly connected to the rear vehicle body 31, and the anti-rollover wheel 72 is rotatably disposed at the other end of the anti-rollover link 71.

[0036] When the mobility scooter needs to be folded, first rotate the handle 421 counterclockwise so that the latch 424 can disengage from the latch rod. Then, fold the front body 22 and the rear body 31 downwards. At this time, the front wheel 19 and the rear wheel 36 come closer to each other. Finally, rotate the backrest 61 so that the backrest 61 rotates towards the seat 5, thereby realizing the folding operation of the mobility scooter.

[0037] The foldable mobility scooter provided by this invention, by setting a folding component 4, allows the handle 42 to be disengaged from or engaged with the locking rod by rotating the handle 42, thereby enabling the front body 22 and the rear body 31 to fold downwards, resulting in a better folding effect for the mobility scooter. In addition, by setting a front link 34 and a rear link 35, the front link 34 and the rear link 35 jointly support the seat 5, thereby improving the support of the seat 5. At the same time, the seat 5, the rear link 35 and the backrest link 62 form a triangular structure, thereby improving the stability of the seat 5.

[0038] Based on the above-described preferred embodiments of the present invention, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the scope of the present invention. The technical scope of this invention is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A foldable mobility scooter, characterized in that: The foldable mobility scooter includes a front assembly, a front frame assembly, a rear frame assembly, a folding assembly, a seat hinged to the upper end of the rear frame assembly, and a backrest assembly. The front frame assembly includes a front body connected to the front assembly and a front lower link hinged to the front body. The folding assembly includes a fixed seat on the front body, a handle rotatably mounted on the fixed seat, a locking rod passing through the two front lower links, a stabilizing plate rotatably mounted on the fixed seat, and a connecting plate between the handle and the stabilizing plate. The handle and the stabilizing plate are both engaged with the locking rod. The rear frame assembly includes a rear body hinged to the front body and a front link and a rear link hinged between the rear body and the seat. The backrest assembly includes a backrest rotatably mounted at one end of the seat and a backrest link hinged between the rear link and the backrest.

2. The foldable mobility scooter as described in claim 1, characterized in that: The rear frame assembly also includes a rear lower link hinged to the front vehicle body and a hinge rod hinged to the rear lower link. The other end of the hinge rod is fixedly connected to the front link, and the other end of the front lower link is hinged to the rear vehicle body.

3. The foldable mobility scooter as described in claim 1, characterized in that: The handle includes a handle portion, a connecting portion, a hinge portion, and a locking portion. There are two of each of the connecting portion, the hinge portion, and the locking portion. The two connecting portions are located at opposite ends of the handle portion. The hinge portion is fixedly connected to the connecting portion. One end of the hinge portion is hinged to the fixed base, and the other end of the hinge portion is hinged to the connecting plate. The locking portion is fixedly connected to the hinge portion and engages with the locking rod.

4. The foldable mobility scooter as described in claim 1, characterized in that: One end of the connecting plate is hinged to the handle, and the other end of the connecting plate is hinged to the stabilizing plate.

5. The foldable mobility scooter as described in claim 1, characterized in that: The front end assembly includes a support frame, a support rod, a left turn signal plate, a right turn signal plate, a vertical pole, an adjusting rod, a locking component, and a handlebar. The support rod is fixedly connected to the support frame. The left turn signal plate and the right turn signal plate are both hinged between the support frame and the support rod. The vertical pole is fixedly connected to the support rod. The adjusting rod is telescopically disposed inside the vertical pole. The locking component is disposed outside the vertical pole and is used to lock and fix the vertical pole and the adjusting rod. The handlebar is fixedly connected to the adjusting rod.

6. The foldable mobility scooter as described in claim 5, characterized in that: The upright has a groove.

7. The foldable mobility scooter as described in claim 5, characterized in that: The locking component is a clamp.

8. The foldable mobility scooter as described in claim 5, characterized in that: The support frame is rotatably equipped with front wheels at both ends.

9. The foldable mobility scooter as described in claim 1, characterized in that: The rear vehicle body is rotatably equipped with rear wheels at both ends opposite to the end of the front vehicle body away from the rear vehicle body.

10. The foldable mobility scooter as described in claim 1, characterized in that: The foldable mobility scooter includes an anti-rollover assembly, which includes an anti-rollover linkage and an anti-rollover wheel. One end of the anti-rollover linkage is fixedly connected to the rear vehicle body, and the anti-rollover wheel is rotatably mounted on the other end of the anti-rollover linkage.