Handrail adjusting and quick detaching structure of scooter

By designing the main beam, adjustment rod and quick-release components on the mobility scooter, the armrest can be easily adjusted and quickly disassembled, solving the problem of traditional armrests being non-adjustable and difficult to disassemble, and improving ease of use.

CN223443670UActive Publication Date: 2025-10-17ZHEJIANG FEISHEN VEHICLE IND CO LTD
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Patent Information

Application Number
CN202423144278.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-10-17
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

The armrests of traditional mobility scooters cannot be adjusted or the adjustment process is cumbersome and difficult to disassemble, making cleaning and maintenance inconvenient.

Method used

A handrail structure including a main beam, an adjustment rod, a sliding rod and a quick-release assembly is designed. The handrail can be adjusted horizontally and vertically through the operation of knobs and hanging rings, and supports quick disassembly.

Benefits of technology

The armrest can be easily adjusted and quickly disassembled, which improves the convenience of use and facilitates cleaning and maintenance.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223443670U_ABST
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Abstract

The utility model relates to the technical field of scooters, in particular to a scooter armrest adjusting and quick detaching structure which comprises a frame and a seat mounted on the frame. The armrest assembly is arranged on one side of the seat, provides additional supporting force for a rider and comprises a main beam, a sliding groove is formed in the main beam, and two symmetrically-distributed first threaded holes are further formed in the main beam; the adjusting rod is arranged in the sliding groove in a sliding mode, the adjusting rod is a hollow rod piece, and a plurality of second threaded holes are formed in the adjusting rod; the locking screw penetrates through the first threaded hole in a threaded mode and continues to penetrate through one of the second threaded holes in a threaded mode, and the locking screw is used for fastening the adjusting rod to the main beam. The sliding rod is slidably arranged in the adjusting rod, and a handrail is mounted at one end of the sliding rod through a bolt; and the quick release assembly is mounted at one end of the adjusting rod and is used for locking the sliding rod on the adjusting rod.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of scooters, in particular to a handrail adjusting and quick-release structure of a scooter. BACKGROUND

[0002] With the development of society and the intensification of population aging, scooters (such as electric wheelchairs, walking aids, etc.) have become an important auxiliary tool for many people with limited mobility. These scooters not only improve the mobility of the users, but also enhance their life independence and comfort. However, the handrails of traditional scooters are mostly fixed and cannot be adjusted. Some handrails can only be adjusted in height, and the adjustment process is cumbersome and requires tools, which is inconvenient for users. In addition, the handrails of scooters are difficult to disassemble after installation, which is very inconvenient when cleaning or repairing.

[0003] To this end, the present application proposes a handrail adjusting and quick-release structure of a scooter to solve the above problems. SUMMARY

[0004] The present application aims to at least solve one of the technical defects mentioned above.

[0005] To this end, one object of the present application is to provide a handrail adjusting and quick-release structure of a scooter to solve the problems mentioned in the background art and overcome the deficiencies in the prior art.

[0006] To achieve the above-mentioned object, the embodiments of one aspect of the present application provide a handrail adjusting and quick-release structure of a scooter, comprising: a vehicle frame, and a seat mounted on the vehicle frame; a handrail assembly provided on one side of the seat to provide additional support for the rider, comprising: a main beam mounted on the bottom of the rear side of the seat through a fixing plate, a sliding groove is formed in the main beam, and two symmetrically distributed first threaded holes are formed in the main beam; an adjusting rod is slidably arranged in the sliding groove, the adjusting rod is a hollow rod, and a plurality of second threaded holes are formed in the adjusting rod; a locking screw is threaded through the first threaded hole and continues to be threaded through one of the second threaded holes, for imprisoning the adjusting rod on the main beam; a sliding rod is slidably arranged in the adjusting rod, and a handrail is mounted on one end of the sliding rod through a bolt; and a quick-release assembly is mounted on one end of the adjusting rod for locking the sliding rod on the adjusting rod.

[0007] Preferably, the sliding groove extends through both ends of the main beam, and the sliding groove is in communication with the first threaded hole.

[0008] Preferably, the main body of the adjusting rod is substantially L-shaped, and two adjusting rods are slidingly arranged on the two sides of the sliding groove; a square groove is formed in the adjusting rod, and the square groove is in communication with the interior of the adjusting rod; and two lock screws are arranged in the two first threaded holes respectively, and one end of the lock screw is provided with a knob.

[0009] Preferably, the number of the sliding rods is two, and the number of the sliding rods matches the number of the two adjusting rods; and a plurality of locking grooves are formed in the sliding rod.

[0010] Preferably, the number of the handrails is two, and the number of the handrails corresponds to the number of the two sliding rods; and a handrail pad is arranged on the handrail.

[0011] Preferably, the quick release assembly includes: a fixed block arranged at one end of the adjusting rod, a first connecting groove is formed in one end of the fixed block, the first connecting groove is in communication with the square groove, a second connecting groove is formed in the other end of the fixed block and in communication with the first connecting groove, a positioning groove is formed in the fixed block, a connecting hole is formed in one end of the positioning groove and in communication with the second connecting groove, two hemispherical grooves are formed in the side wall of the positioning groove in an up-down distribution; a locking block slidingly arranged in the first connecting groove, a positioning rod extended from one end of the locking block, the positioning rod slidingly arranged in the second connecting groove, two locking holes formed in the positioning rod, the locking block used for cooperating with the locking groove, and a first pull ring rotatably arranged at one end of the positioning rod; and a first spring having one end connected to the locking block and the other end arranged in the first connecting groove, the first spring providing a pressing force for the locking block.

[0012] Preferably, the quick release assembly further includes: a sliding block slidingly arranged in the positioning groove, a locking rod extended from one end of the sliding block, the locking rod used for cooperating with the locking hole, a groove formed in the sliding block, and a second pull ring rotatably arranged at one end of the sliding block; a locking ball slidingly arranged in the groove and used for cooperating with the hemispherical groove; and a second spring having one end connected to the locking ball and the other end arranged in the interior of the groove, the second spring providing a pressing force for the locking ball.

[0013] Compared with the prior art, the application has the following advantages and beneficial effects:

[0014] The knob is operated to release the locking of the adjusting rod, and then the position of the adjusting rod is adjusted to adjust the left and right positions of the armrest. The first and second hanging rings are controlled to release the locking of the sliding rod, and then the sliding rod is adjusted to adjust the height of the armrest. The operation is simple and convenient, and the sliding rod, the armrest and the adjusting rod can be disassembled on the basis of the operation, so that cleaning or maintenance and replacement can be conveniently performed.

[0015] Additional aspects and advantages of the present application will be set forth in part in the description that follows, and in part will become apparent to those having ordinary skill in the art upon examination of the following or can be learned from practice of the application. BRIEF DESCRIPTION OF DRAWINGS

[0016] The above and / or additional aspects and advantages of the present application will become apparent and be readily understood from the description that follows, including the appended drawings, in which:

[0017] Figure 1 is a first perspective view according to an embodiment of the present application;

[0018] Figure 2 is a first perspective view according to an embodiment of the present application; Figure 1 is an enlarged view of A in the figure;

[0019] Figure 3 is a second perspective view according to an embodiment of the present application;

[0020] Figure 4 is a second perspective view according to an embodiment of the present application; Figure 3 is an enlarged view of B in the figure;

[0021] Figure 5 is a third perspective view according to an embodiment of the present application;

[0022] Figure 6 is a partial cross-sectional view of a quick release assembly according to an embodiment of the present application;

[0023] Figure 7 is a schematic view of a locking block according to an embodiment of the present application;

[0024] Figure 8 is a partial cross-sectional view of a sliding block according to an embodiment of the present application.

[0025] In the figure: 1, frame, 2, seat, 3, armrest assembly, 301, main beam, 302, adjusting rod, 303, locking screw, 304, sliding rod, 305, armrest, 306, knob, 4, quick release assembly, 401, fixed block, 402, locking block, 403, positioning rod, 404, first pull ring, 405, first spring, 406, sliding block, 407, locking rod, 408, second hanging ring, 409, locking ball, 410, second spring. DETAILED DESCRIPTION

[0026] As Figures 1 to 8 shown in the accompanying drawings, the application relates to a scooter handle adjustment and quick release structure, which comprises a frame 1, a seat 2, a handle assembly 3 and a quick release assembly 4.

[0027] Further, the seat 2 is installed on the frame 1.

[0028] Further, in order to provide additional support force for the rider and prevent accidental sliding out of the seat, the handle assembly 3 is provided, which comprises:

[0029] a main beam 301 installed at the bottom of the rear side of the seat 2 through a fixing plate, a sliding groove is formed in the main beam 301, and two symmetrical first threaded holes are formed in the main beam 301;

[0030] an adjustment rod 302 slidingly arranged in the sliding groove, the adjustment rod 302 is a hollow rod, and a plurality of second threaded holes are formed in the adjustment rod 302;

[0031] a locking screw 303 threadedly penetrating the first threaded hole and further threadedly penetrating one of the second threaded holes, used for imprisoning the adjustment rod 302 on the main beam 301;

[0032] a sliding rod 304 slidingly arranged in the adjustment rod 302, and a handle 305 is installed at one end of the sliding rod 304 through a bolt.

[0033] Specifically, the sliding groove penetrates both ends of the main beam 301, and the sliding groove is in communication with the first threaded hole;

[0034] the main body of the adjustment rod 302 is approximately L-shaped, and there are two adjustment rods 302 slidingly arranged on both sides of the sliding groove respectively;

[0035] a square groove is formed in the adjustment rod 302, and the square groove is in communication with the interior of the adjustment rod 302;

[0036] there are two locking screws 303 corresponding to the two first threaded holes respectively, and one end of the locking screw 303 is provided with a knob 306;

[0037] the number of the sliding rods 304 is two, which matches the two adjustment rods 302;

[0038] a plurality of locking grooves are formed in the sliding rod 304;

[0039] the number of the handles 305 is also two, which corresponds to the number of the two sliding rods 304 respectively, a handle pad is installed on the handle 305, and the handle pad is filled with sponge.

[0040] Further, in order to quickly adjust the length of the adjusting rod 302, or quickly disassemble and assemble the adjusting rod 302, two groups of quick disassembly components 4 are provided, wherein a single group of the quick disassembly components 4 comprises:

[0041] A fixed block 401 is mounted at one end of the adjusting rod 302, one end of the fixed block 401 is provided with a first connecting groove, the first connecting groove is in communication with the square groove, the other end of the fixed block 401 is provided with a second connecting groove in communication with the first connecting groove, a positioning groove is provided on the fixed block 401, one end of the positioning groove is provided with a connecting hole in communication with the second connecting groove, and two groups of hemispherical grooves are provided on the side wall of the positioning groove in an up-down distribution;

[0042] A locking block 402 is slidingly arranged in the first connecting groove, the locking block 402 extends a positioning rod 403 at one end, the positioning rod 403 is slidingly arranged in the second connecting groove, two locking holes are provided on the positioning rod 403, the locking block 402 is used for cooperating with the locking groove, and a first pull ring 404 is rotationally arranged at one end of the positioning rod 403;

[0043] A first spring 405 is connected to the locking block 402 at one end and mounted in the first connecting groove at the other end, so as to provide a pressing force for the locking block 402.

[0044] Further, a single group of the quick disassembly components 4 further comprises:

[0045] A sliding block 406 is slidingly arranged in the positioning groove, the sliding block 406 extends a locking rod 407 at one end, the locking rod 407 is used for cooperating with the locking hole, a groove hole is provided on the sliding block 406, and a second hanging ring 408 is rotationally arranged at one end of the sliding block 406;

[0046] A locking ball 409 is slidingly arranged in the groove hole and used for cooperating with the hemispherical groove;

[0047] A second spring 410 is connected to the locking ball 409 at one end and mounted in the interior of the groove hole at the other end, so as to provide a pressing force for the locking ball 409.

[0048] Specifically, the locking ball 409 and the second spring 410 are arranged to lock the positioning rod 403, and further lock the locking block 402, so as to avoid accidental unlocking or accidental touch.

[0049] A handrail 305 adjusting and quick disassembly structure of a scooter has the following working principle:

[0050] When the transverse width of the handrail 305 needs to be adjusted:

[0051] The operation knob 306 drives the locking screw 303 to rotate, and then the locking screw 303 is separated from the first threaded hole and the second threaded hole, at this time the adjusting rod 302 can move in the sliding groove of the main beam 301, and after the adjusting rod 302 is operated to the appropriate position, the locking screw 303 is screwed through the corresponding first threaded hole and second threaded hole to complete the locking, that is, the transverse width adjustment of the handrail 305 is completed.

[0052] When the longitudinal height of the handrail 305 needs to be adjusted:

[0053] First, pull the first pull ring 404 to drive the sliding block 406 to move in the positioning groove, so that the locking rod 407 is separated from the locking hole, and in this process, the locking ball 409 is forced to separate from one group of hemispherical grooves, and the second spring 410 is extruded, until the slot hole corresponds to the position of the other group of hemispherical grooves, and the locking ball 409 is pushed into the hemispherical groove under the action of the second spring 410;

[0054] Then pull the second pull ring to drive the positioning rod 403 and the locking block 402 to move, so that the locking block 402 is separated from the locking groove, and the first spring 405 is compressed, at this time, the locking rod 407 can be inserted into the locking hole by pressing the sliding block 406, so as to avoid the movement of the locking block 402, and then the sliding rod 304 can be operated, and after being adjusted to the appropriate position, the first pull ring 404 is operated to make the locking rod 407 separate from the locking hole, and the locking block 402 is pushed into the locking groove under the action of the first spring 405, so as to complete the adjustment of the longitudinal height of the handrail 305.

[0055] When disassembly is needed:

[0056] Only need to operate the sliding rod 304 to completely separate from the adjusting rod 302 after the locking block 402 is separated from the locking groove in the above longitudinal height adjustment process, and then the adjusting rod 302 and the handrail 305 are taken off;

[0057] Further, in the above transverse width adjustment process, after the locking screw 303 is separated from the first threaded hole and the second threaded hole, the adjusting rod 302 is operated to completely separate from the sliding groove, and then the adjusting rod 302 is taken off.

Claims

1. A scooter armrest adjustment and quick-release structure, characterized by: include: a vehicle frame, and a seat mounted on the vehicle frame; The armrest assembly is provided on one side of the seat to provide additional support for the rider, and includes: A main beam is mounted on the bottom of the rear side of the seat through a fixing plate, a slide groove is provided on the main beam, and two symmetrically distributed first threaded holes are also provided on the main beam; an adjusting rod, slidably disposed inside the sliding groove, the adjusting rod being a hollow rod and having a plurality of second threaded holes formed thereon; a locking screw threaded through the first threaded hole and further threaded through one of the second threaded holes, for locking the adjusting rod on the main beam; A sliding rod is slidably arranged in the adjusting rod, and an armrest is mounted on one end of the sliding rod via a bolt; A quick-release assembly is mounted on one end of the adjusting rod and is used to lock the sliding rod on the adjusting rod.

2. The armrest adjustment and quick-release structure of a mobility scooter according to claim 1, characterized in that: The sliding groove passes through both ends of the main beam, and the sliding groove is connected to the first threaded hole.

3. The armrest adjustment and quick-release structure of a mobility scooter according to claim 2, characterized in that: The main body of the adjusting rod is roughly L-shaped, and there are two adjusting rods, which are slidably arranged on both sides of the sliding groove; A square groove is provided on the adjusting rod, and the square groove is arranged through and communicates with the interior of the adjusting rod; There are two locking screws, each corresponding to the two first threaded holes. A knob is installed at one end of the locking screw.

4. The armrest adjustment and quick-release structure of a mobility scooter according to claim 3, characterized in that: There are two sliding rods in total, matching the two adjusting rods; A plurality of locking grooves are provided on the sliding rod.

5. The armrest adjustment and quick-release structure of a mobility scooter according to claim 4, characterized in that: The number of the armrests is also two, corresponding to the number of the two sliding rods, and armrest pads are installed on the armrests.

6. The armrest adjustment and quick-release structure of a mobility scooter according to claim 4, characterized in that: There are two groups of quick-release components, which are symmetrically distributed. Each group of quick-release components includes: A fixing block is mounted on one end of the adjusting rod, wherein a first connecting groove is formed at one end of the fixing block, the first connecting groove is connected to the square groove, and a second connecting groove is formed at the other end of the fixing block, which is connected to the first connecting groove. A positioning groove is formed on the fixing block, and a connecting hole is formed at one end of the positioning groove, which is connected to the second connecting groove. Two groups of hemispherical grooves are distributed vertically on the side wall of the positioning groove; A locking block is slidably disposed in the first connecting groove, a positioning rod is extended from one end of the locking block, the positioning rod is slidably disposed in the second connecting groove, two locking holes are provided on the positioning rod, the locking block is used to cooperate with the locking groove, and a first pull ring is rotatably provided at one end of the positioning rod; One end of the first spring is connected to the locking block, and the other end is installed in the first connecting groove to provide a tightening force for the locking block.

7. The armrest adjustment and quick-release structure of a mobility scooter according to claim 6, characterized in that: A single set of quick-release components further includes: A sliding block is slidably arranged in the positioning groove, a locking rod is extended from one end of the sliding block, and the locking rod is used to cooperate with the locking hole. A slot is opened on the sliding block, and a second hanging ring is rotatably provided at one end of the sliding block; a locking ball, slidably disposed in the slot and adapted to engage with the hemispherical slot; One end of the second spring is connected to the locking ball, and the other end is installed inside the slot to provide a tightening force for the locking ball.