Compact scooter capable of controlling steering at middle position

By introducing the middle position of the handlebar control and adjustable seat assembly in the wheelchair swivel, the problem of unintuitive remote rod control is solved, the user's handling stability and safety is improved, and the riding is improved through the base shock absorber Comfort and driving stability.

CN119235566APending Publication Date: 2025-01-03SHANGHAI WISKING HEALTHCARE

Patent Information

Application Number
CN202411499373.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-25
Publication Date
2025-01-03

AI Technical Summary

Technical Problem

The existing wheelchair scooters are not intuitively operated by remote poles, especially in complex environments, which can easily lead to misoperation, causing difficulties for the elderly or users who are not familiar with technology.

Method used

Design a compact swivel for intermediate position control steering, which controls the driving direction of the vehicle body through a rotating handle arranged on the seat assembly. Combining the adjustable seat assembly and base, it provides a more intuitive and stable control method, increasing the user ease of operation and safety.

Benefits of technology

Through the control of the middle position of the handle, the operation of the vehicle body direction is simplified, the user's handling stability and safety is improved, and the riding comfort and driving stability are improved through adjustable seat components and base shock absorbers. .

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of scooters, and particularly discloses a middle position control steering compact scooter which comprises a seat assembly, a control assembly and a base, and the seat assembly is fixedly connected to the upper portion of the base; the seat assembly comprises a backrest, a seat cushion, a foot pad and two armrests, the backrest is rotationally connected to the upper portion of the seat cushion, the two armrests are fixedly connected to the two sides of the backrest, and the foot pad is rotationally connected to the seat cushion; the control assembly comprises a rotating handle, a first rotating column, a connecting arm, a first connecting rod, a safety pin, a second rotating column, a second connecting rod, a third connecting rod, a fourth connecting rod, a rotating arm and a third rotating column, and the rotating handle is rotationally connected to the first rotating column. The driving direction of the scooter body can be controlled through the middle rotating handle, the operation mode is simpler, more visual and clearer, a user can be helped to better control the scooter, and the user can go out more conveniently.
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Description

Technical Field

[0001] The invention relates to the technical field of scooters, and in particular to a compact scooter with intermediate position control steering. Background Art

[0002] A wheelchair scooter is a means of transportation designed specifically for people with limited mobility, mainly used to help the elderly, the disabled and other groups with their daily travel.

[0003] The existing technology still has the following areas for improvement: wheelchair scooters on the market are mainly controlled by joysticks installed on the armrests. For some elderly people or users who are not familiar with technology, joystick control may take time to learn and adapt, and is not simple and intuitive, especially in complex environments. It is easy to make mistakes when you are not proficient in the early stage, causing the scooter to move unexpectedly or stagnate, causing trouble for travel. Summary of the invention

[0004] In order to solve the above problems existing in the prior art, the present invention provides a compact scooter with intermediate position controlled steering, which can control the driving direction of the vehicle body through the middle handlebar. The operation method is simpler and more intuitive and clear, which can help users better control the scooter and make travel more convenient for users.

[0005] The purpose of the present invention can be achieved through the following technical solutions:

[0006] A compact scooter with intermediate position control steering comprises a seat assembly, a control assembly and a base, wherein the seat assembly is fixedly connected above the base;

[0007] The seat assembly includes a backrest, a seat cushion, a foot pad and an armrest, wherein the backrest is rotatably connected to the top of the seat cushion, two armrests are provided, and the two armrests are fixedly connected to both sides of the backrest, and the foot pad is rotatably connected to the seat cushion;

[0008] The control assembly includes a turning handle, a first rotating column, a connecting arm, a first connecting rod, a safety pin, a second rotating column, a second connecting rod, a third connecting rod, a fourth connecting rod, a turning arm and a third rotating column, wherein the turning handle is rotatably connected to the first rotating column, the first rotating column is fixedly connected to the connecting arm, the first rotating column is rotatably connected to the first connecting rod, the connecting arm is connected to the second rotating column via the safety pin, and the first connecting rod is rotatably connected to the second rotating column;

[0009] The base includes a first shock absorber, a first rocker arm, a second rocker arm, a third rocker arm, a main body, a second shock absorber, a front wheel group and a rear wheel group. The first shock absorber is rotatably connected between the second rocker arm and the main body, the first rocker arm is fixedly connected to the main body, and the second rocker arm is fixedly connected to the main body.

[0010] Preferably, the second connecting rod is rotatably connected between the second rotating column and the third rotating column, the third rotating column is rotatably connected to the main body, the rotating arm is fixedly connected to the third rotating column, the third connecting rod is rotatably connected between the third rotating column and the front wheel group, and the fourth connecting rod is rotatably connected between the third rotating column and the front wheel group.

[0011] Preferably, the third rocker arm is fixedly connected to the main body, the second shock absorber is rotatably connected between the main body and the third rocker arm, the front wheel group is rotatably connected to the main body, and the rear wheel group is rotatably connected to the main body.

[0012] Preferably, a first push rod is provided on one side of the backrest, and the first push rod is fixedly connected between the backrest and the base.

[0013] Preferably, a second push rod and a third push rod are provided between the seat cushion and the base, and the second push rod is rotatably connected to the base.

[0014] Preferably, the third push rod is fixedly connected to the seat cushion, and the third push rod is rotatably connected to the foot pad.

[0015] Preferably, five bowls are arranged inside the first rotating column and the second rotating column.

[0016] Preferably, the first shock absorber is arranged in an inclined manner.

[0017] Preferably, the first rocker arm is rotatably connected to the front wheel assembly, the second rocker arm is rotatably connected to the front wheel assembly, the first rocker arm is arranged in a triangular shape, and the first shock absorber passes through a gap in the middle of the first rocker arm triangle.

[0018] Preferably, the first rocker arm and the second rocker arm are disposed in upper and lower corresponding positions.

[0019] The beneficial effects of the present invention are:

[0020] (1) By setting up the seat assembly, the technical effect that can be achieved is that the angle of the backrest can be controlled by extending and retracting the first push rod, the angle of the seat cushion can be controlled by extending and retracting the second push rod, and the angle of the foot pad can be controlled by extending and retracting the third push rod. The first push rod, the second push rod and the third push rod cooperate with each other to facilitate adjustment of the optimal position of the seat assembly according to different users, thereby improving the riding comfort of the users.

[0021] (2) By setting the control component, the technical effect that can be achieved is that the position of the handlebar is located in the middle of the mobility scooter. The user controls the driving direction of the vehicle by operating the handlebar. The operation method is simple, intuitive and clear, which can help the user better control the mobility scooter. The position of the handlebar enables the user to maintain body stability during operation and avoid body imbalance due to the turning direction, thereby improving driving safety. When the user adjusts the angle or height of the seat component, the position of the handlebar is relatively stable and will not be affected by the adjustment, which facilitates the user's operation and makes the user's travel more convenient. The connecting arm and the first connecting rod can drive the handlebar and the first rotating column to fold upward, which is convenient for the user to get on and off the vehicle. The setting of the safety pin on the connecting arm can prevent the user from accidentally operating the handlebar and flipping it upward during driving, thereby increasing the safety of the mobility scooter.

[0022] (3) By setting the base, the technical effect that can be achieved is that the first shock absorber is set in an inclined manner, so that the first shock absorber can switch the positive and negative stiffness of the main body and the second rocker arm connected to the main body back and forth, so that the front wheel group side can absorb and alleviate vibration through the first shock absorber, and more effectively absorb the impact force between the front wheel group and the road surface. Shock absorbers are set on the front wheel group side and the rear wheel group side of the base, which can greatly reduce the shaking feeling of the scooter during driving, improve the stability of the scooter during driving, and improve the riding comfort of users. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0024] Figure 1 It is a front view of the present invention;

[0025] Figure 2 It is a left side view of the present invention;

[0026] Figure 3 A perspective view of the present invention;

[0027] Figure 4 It is a structural diagram of the control component in the present invention;

[0028] Figure 5 A flip diagram of the control assembly in the present invention;

[0029] Figure 6 It is a first stereoscopic view of the base in the present invention;

[0030] Figure 7 is a second stereoscopic view of the base in the present invention;

[0031] Figure 8 It is the assembly diagram of the control assembly and the base in the present invention;

[0032] Fig. 9 A bottom view of the seat assembly of the present invention;

[0033] Fig.10 This is a schematic diagram of the overall structure of the first push rod after being shortened in the present invention;

[0034] Fig.11 It is a schematic diagram of the overall structure of the second push rod after being extended in the present invention;

[0035] Fig.12 is a schematic diagram of the overall structure of the third push rod after being extended in the present invention;

[0036] Description of main component symbols:

[0037] In the figure: 1. backrest; 101. first push rod; 102. second push rod; 103. third push rod; 2. seat cushion; 3. control assembly; 301. handlebar; 302. first rotating column; 303. connecting arm; 304. first connecting rod; 305. safety pin; 306. second rotating column; 307. second connecting rod; 308. third connecting rod; 309. fourth connecting rod; 310. rotating arm; 311. third rotating column; 4. base; 401. first shock absorber; 402. first rocker arm; 403. second rocker arm; 404. third rocker arm; 405. main body; 406. second shock absorber; 407. front wheel group; 408. rear wheel group; 5. foot pad; 6. armrest. DETAILED DESCRIPTION

[0038] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the specific implementation methods, structures, features and effects of the present invention are clearly and completely described below in combination with the accompanying drawings and preferred embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] In the description of the present application, it should be understood that the orientation or position relationship indicated by "inside" or "outside" is based on the orientation or position described in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, specific orientation structure and operation, and therefore cannot be understood as a limitation on the present application.

[0040] Reference Figures 1 to 12 , the present invention discloses a compact scooter with intermediate position control steering, comprising a seat assembly, a control assembly 3 and a base 4, wherein the seat assembly is fixedly connected above the base 4;

[0041] The seat assembly includes a backrest 1, a seat cushion 2, a foot pad 5 and an armrest 6. The backrest 1 is rotatably connected to the top of the seat cushion 2. Two armrests 6 are provided. The two armrests 6 are fixedly connected to both sides of the backrest 1. The foot pad 5 is rotatably connected to the seat cushion 2.

[0042] The control component 3 includes a turning handle 301, a first rotating column 302, a connecting arm 303, a first connecting rod 304, a safety pin 305, a second rotating column 306, a second connecting rod 307, a third connecting rod 308, a fourth connecting rod 309, a rotating arm 310 and a third rotating column 311. The turning handle 301 is rotatably connected to the first rotating column 302. The turning handle 301 is located in the middle of the scooter. The user controls the driving direction of the vehicle by operating the turning handle 301. The operation method is simple, intuitive and clear, which can help the user better control the scooter. The position of the turning handle 301 enables the user to maintain body stability during operation to avoid body imbalance caused by the rotation direction, thereby improving driving safety. The user can adjust the seat assembly When the angle or height is adjusted, the position of the handlebar 301 is relatively stable and will not be affected by the adjustment, which facilitates the user's operation and makes the user's travel more convenient. The first rotating column 302 is fixedly connected to the connecting arm 303, and the first rotating column 302 is rotatably connected to the first connecting rod 304. The connecting arm 303 is connected to the second rotating column 306 through the safety pin 305, and the first connecting rod 304 is rotatably connected to the second rotating column 306. The connecting arm 303 and the first connecting rod 304 can drive the handlebar 301 and the first rotating column 302 to fold upward, which is convenient for users to get on and off the vehicle. The setting of the safety pin 305 on the connecting arm 303 can prevent the user from accidentally operating the handlebar 301 during driving, thereby increasing the safety of the scooter when in use.

[0043] The base 4 includes a first shock absorber 401, a first rocker arm 402, a second rocker arm 403, a third rocker arm 404, a main body 405, a second shock absorber 406, a front wheel group 407 and a rear wheel group 408. The first shock absorber 401 is rotatably connected between the second rocker arm 403 and the main body 405, the first rocker arm 402 is fixedly connected to the main body 405, and the second rocker arm 403 is fixedly connected to the main body 405.

[0044] Reference Figure 4 , Figure 5 and Figure 8The second connecting rod 307 is rotatably connected between the second rotating column 306 and the third rotating column 311, the third rotating column 311 is rotatably connected to the main body 405, the rotating arm 310 is fixedly connected to the third rotating column 311, the third connecting rod 308 is rotatably connected between the third rotating column 311 and the front wheel group 407, and the fourth connecting rod 309 is rotatably connected between the third rotating column 311 and the front wheel group 407.

[0045] Reference Figure 6 and Figure 7 The third rocker arm 404 is fixedly connected to the main body 405, the second shock absorber 406 is rotatably connected between the main body 405 and the third rocker arm 404, the front wheel group 407 is rotatably connected to the main body 405, and the rear wheel group 408 is rotatably connected to the main body 405. Shock absorbers are provided on the front wheel group 407 side and the rear wheel group 408 side of the base 4, which can greatly reduce the shaking feeling of the scooter during driving, improve the stability of the scooter during driving, and improve the riding comfort of the user.

[0046] Reference Figures 8 to 12 A first push rod 101 is provided on one side of the backrest 1, and the first push rod 101 is fixedly connected between the backrest 1 and the base 4; a second push rod 102 and a third push rod 103 are provided between the seat cushion 2 and the base 4, and the second push rod 102 is rotatably connected to the base 4; the third push rod 103 is fixedly connected to the seat cushion 2, and the third push rod 103 is rotatably connected to the foot pad 5.

[0047] The angle of the backrest 1 can be controlled by extending and retracting the first push rod 101, the angle of the seat cushion 2 can be controlled by extending and retracting the second push rod 102, and the angle of the foot pad 5 can be controlled by extending and retracting the third push rod 103. The first push rod 101, the second push rod 102 and the third push rod 103 cooperate with each other to facilitate adjustment of the optimal position of the seat assembly according to different users, thereby improving the riding comfort of the users.

[0048] Reference Figures 4 to 6 as well as Figure 8 , five bowls are arranged inside the first rotating column 302 and the second rotating column 306; the first shock absorber 401 is arranged in an inclined manner, so that the first shock absorber 401 switches the support between the main body 405 and the second rocker arm 403 connected to the main body 405 in an oblique positive and negative stiffness, so that the front wheel group 407 side absorbs and alleviates vibration through the first shock absorber 401, and more effectively absorbs the impact force between the front wheel group 407 and the road surface, reduces the overall shaking of the scooter, and improves the stability of the vehicle body; the first rocker arm 402 is rotatably connected to the front wheel group 407, and the second rocker arm 403 is rotatably connected to the front wheel group 407, the first rocker arm 402 is arranged in a triangular shape, and the first shock absorber 401 passes through the gap in the middle of the triangle of the first rocker arm 402; the first rocker arm 402 and the second rocker arm 403 are arranged in an upper and lower corresponding position.

[0049] The working principle and usage process of the present invention are as follows: the connecting arm 303 and the first connecting rod 304 are folded upward, driving the turning handle 301 and the first rotating column 302 to fold upward, so as to facilitate the user to get on and off the vehicle. When the user sits firmly, the connecting arm 303 and the first connecting rod 304 are controlled to drive the turning handle 301 and the first rotating column 302 to be lowered. At this time, the turning handle 301 is located directly in front of the user, and the safety pin 305 is locked to prevent the user from accidentally operating the turning handle 301 to fold upward.

[0050] The first push rod 101, the second push rod 102 and the third push rod 103 are controlled to extend and retract, and the angle of the seat assembly is adjusted to an optimal position.

[0051] When the user drives the scooter, the user controls the handlebar 301 to rotate left and right, driving the first rotating column 302 to rotate, the first rotating column 302 drives the first connecting rod 304 to rotate, the first connecting rod 304 drives the second rotating column 306 to rotate, the second rotating column 306 drives the second connecting rod 307 to rotate, the second connecting rod 307 drives the third rotating column 311 to rotate, the third rotating column 311 drives the third connecting rod 308 and the fourth connecting rod 309 connected to the rotating arm 310 to rotate, one end of the third connecting rod 308 and the fourth connecting rod 309 are respectively connected to the front wheel group 407, so that the user rotates the handlebar 301 to control the steering of the front wheel group 407.

[0052] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A compact scooter with intermediate position control steering, characterized in that: It comprises a seat assembly, a control assembly (3) and a base (4), wherein the seat assembly is fixedly connected above the base (4); The seat assembly comprises a backrest (1), a seat cushion (2), a foot pad (5) and an armrest (6); the backrest (1) is rotatably connected to the top of the seat cushion (2); two armrests (6) are provided, and the two armrests (6) are fixedly connected to both sides of the backrest (1); and the foot pad (5) is rotatably connected to the seat cushion (2); The control assembly (3) comprises a turning handle (301), a first rotating column (302), a connecting arm (303), a first connecting rod (304), a safety pin (305), a second rotating column (306), a second connecting rod (307), a third connecting rod (308), a fourth connecting rod (309), a turning arm (310) and a third rotating column (311), wherein the turning handle (301) is rotatably connected to the first rotating column (302), the first rotating column (302) is fixedly connected to the connecting arm (303), the first rotating column (302) is rotatably connected to the first connecting rod (304), the connecting arm (303) is connected to the second rotating column (306) via the safety pin (305), and the first connecting rod (304) is rotatably connected to the second rotating column (306); The base (4) comprises a first shock absorber (401), a first rocker arm (402), a second rocker arm (403), a third rocker arm (404), a main body (405), a second shock absorber (406), a front wheel group (407) and a rear wheel group (408); the first shock absorber (401) is rotatably connected between the second rocker arm (403) and the main body (405); the first rocker arm (402) is fixedly connected to the main body (405); and the second rocker arm (403) is fixedly connected to the main body (405).

2. A compact scooter with intermediate position control steering according to claim 1, characterized in that: The second connecting rod (307) is rotatably connected between the second rotating column (306) and the third rotating column (311), the third rotating column (311) is rotatably connected to the main body (405), the rotating arm (310) is fixedly connected to the third rotating column (311), the third connecting rod (308) is rotatably connected between the third rotating column (311) and the front wheel group (407), and the fourth connecting rod (309) is rotatably connected between the third rotating column (311) and the front wheel group (407).

3. The compact scooter with intermediate position control steering according to claim 1, characterized in that: The third rocker arm (404) is fixedly connected to the main body (405), the second shock absorber (406) is rotatably connected between the main body (405) and the third rocker arm (404), the front wheel group (407) is rotatably connected to the main body (405), and the rear wheel group (408) is rotatably connected to the main body (405).

4. The compact scooter with intermediate position control steering according to claim 1, characterized in that: A first push rod (101) is provided on one side of the backrest (1), and the first push rod (101) is fixedly connected between the backrest (1) and the base (4).

5. The compact scooter with intermediate position control steering according to claim 1, characterized in that: A second push rod (102) and a third push rod (103) are provided between the seat cushion (2) and the base (4); the second push rod (102) is rotatably connected to the base (4).

6. A compact scooter with intermediate position control steering according to claim 5, characterized in that: The third push rod (103) is fixedly connected to the seat cushion (2), and the third push rod (103) is rotatably connected to the foot pad (5).

7. The intermediate position controlled steering compact scooter according to claim 1, characterized in that: Five bowls are arranged inside the first rotating column (302) and the second rotating column (306).

8. The compact scooter with intermediate position control steering according to claim 1, characterized in that: The first shock absorber (401) is arranged in an inclined manner.

9. The intermediate position controlled steering compact scooter according to claim 8, characterized in that: The first rocker arm (402) is rotatably connected to the front wheel assembly (407), the second rocker arm (403) is rotatably connected to the front wheel assembly (407), the first rocker arm (402) is arranged in a triangular shape, and the first shock absorber (401) passes through the gap in the middle of the triangle of the first rocker arm (402).

10. The compact scooter with intermediate position control steering according to claim 9, characterized in that: The first rocker arm (402) and the second rocker arm (403) are disposed in a vertically corresponding manner.

Citation Information

Patent Citations

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    CN106691719A

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