Tire dismounting auxiliary device for automobile maintenance

The tire removal auxiliary device addresses the lack of a stable fulcrum in existing tools by extending the wrench's force arm, enabling easier and more stable tire removal for users with limited strength.

CN222136368UActive Publication Date: 2024-12-10PINGDINGSHAN FANGTONG AUTOMOBILE SALES & SERVICE CO LTD
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Patent Information

Application Number
CN202420650863.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-29
Publication Date
2024-12-10
Estimated Expiration
2034-03-29

AI Technical Summary

Technical Problem

Existing tire removal tools for automobiles lack a stable fulcrum, making it difficult for women and elderly drivers to apply sufficient torque, leading to challenges in tire removal and replacement.

Method used

A tire removal auxiliary device with an extension sleeve, moving ring, swing rod, and supporting rod mechanism that extends the wrench's force arm, providing a stable fulcrum and preventing shaking during use.

Benefits of technology

Enhances torque application by extending the wrench's length, making tire removal more labor-saving and stable, facilitating easier tire changes for users with limited strength.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of automobile maintenance, in particular to a tire dismounting auxiliary device for automobile maintenance, which comprises a wrench, a tire dismounting auxiliary device and a tire dismounting auxiliary device, a moving block is arranged on the surface of the moving ring, a pushing plate is fixed to the end of the moving block, an extending block is arranged on the surface of the lengthening sleeve, an open groove is formed in the surface of the extending block, and a swing rod is arranged in the open groove; the jacking rod is arranged on the surface of the swinging rod; the wrench has the beneficial effects that the lengthened sleeve is arranged outside the wrench in a sleeving mode, the lengthened sleeve can move on the surface of the wrench, the wrench is lengthened, the length of a force arm is increased, more labor is saved in the using process, after the lengthened sleeve is moved, under pulling of a spring, a movable ring moves on the surface of a grip, a movable block is pushed, a pushing plate downwards presses a swing rod, and the wrench is more convenient to use. The swing rod is inserted into the surface of the moving ring after swinging, and the end of the swing rod is hinged to the interior of the extension block through a rotating shaft.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile maintenance, in particular to a tire disassembly auxiliary device used for automobile maintenance. Background Art

[0002] With the popularization of cars, more and more women and middle-aged and elderly people have become drivers in China. Women and middle-aged and elderly people are generally weaker and most of them cannot change tires independently.

[0003] The tire removal tool that comes with the vehicle is generally a Type 1 special tool. This tool is inconvenient to use because there is a lack of a fulcrum at the turning point when applying torque. In this way, if the force is too small, the tire cannot be removed and replaced. Utility Model Content

[0004] The purpose of the utility model is to provide a tire removal auxiliary device for automobile maintenance to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a tire removal auxiliary device for automobile maintenance, comprising:

[0006] A wrench, the surface of which is provided with an extension sleeve;

[0007] A moving ring, a moving block is arranged on the surface of the moving ring, a push plate is fixed on the end of the moving block, an extension block is arranged on the surface of the extension sleeve, a groove is opened on the surface of the extension block, and a swing rod is arranged inside the groove; and

[0008] The supporting rod is arranged on the surface of the swing rod.

[0009] Preferably, the extension block is fixed on the surface of the extension sleeve, the end of the swing rod is hinged to the inner wall of the slot through a rotating shaft, and the swing rod can swing around the rotating shaft.

[0010] Preferably, a supporting rod is fixed on the surface of the swing rod, and the supporting rod swings along with the swing rod. A through hole is provided on the inner wall of the extension sleeve, and the supporting rod is inserted into the through hole, and the supporting rod can move in the through hole.

[0011] Preferably, a limiting groove is provided on the surface of the wrench, teeth are provided on the end surface of the holding rod, teeth are provided on the inner wall of the limiting groove, and the holding rod is held inside the limiting groove after moving.

[0012] Preferably, the movable ring is sleeved on the surface of the handle, and the movable ring can move on the surface of the handle. The surface of the movable ring is connected to a spring, and the other end of the spring is connected to the surface of the extension sleeve.

[0013] Preferably, the moving block is plugged into the surface of the moving ring, the moving block can move inside the moving ring, and the end of the moving block is connected to a spring, which is located inside the moving ring.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The outer sleeve of the wrench proposed in the utility model is provided with an extension sleeve, and the extension sleeve can move on the surface of the wrench to extend the wrench and increase the length of the force arm, making it more labor-saving when using. After moving the extension sleeve, the moving ring moves on the surface of the handle under the pull of the spring, pushing the moving block, so that the pushing plate presses down the swing rod, and the swing rod is inserted into the surface of the moving ring after swinging, and the end of the swing rod is hinged to the inside of the extension block through a rotating shaft. After the swing rod is swung, the supporting rod moves in the through hole, and the end of the supporting rod is supported in the limiting groove, thereby fixing the extension sleeve and the wrench, and preventing the extension sleeve from shaking when the wrench is used. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 3 for Figure 1 A schematic diagram of the structure enlargement in the middle;

[0019] Figure 4 for Figure 2 Enlarged schematic diagram of the structure at point B in the middle.

[0020] In the figure: wrench 1, extension sleeve 2, extension block 3, slot 4, spring 5, handle 6, moving block 7, push plate 8, swing rod 9, holding rod 10, through hole 11, limit groove 12, moving ring 13. DETAILED DESCRIPTION

[0021] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figures 1 to 4 The utility model provides a technical solution: a tire removal auxiliary device for automobile maintenance, comprising:

[0023] The surface of the wrench 1 is provided with an extension sleeve 2, and a limiting groove 12 is provided on the surface of the wrench 1. The end surface of the supporting rod 10 is provided with teeth, and the inner wall of the limiting groove 12 is provided with teeth. After the supporting rod 10 moves, it is supported inside the limiting groove 12; the surface of the moving ring 13 is provided with a moving block 7, and a pushing plate 8 is fixed to the end of the moving block 7; the surface of the extension sleeve 2 is provided with an extension block 3, and a groove 4 is provided on the surface of the extension block 3. A swing rod 9 is provided inside the groove 4, and the extension block 3 is fixed to the surface of the extension sleeve 2. The end of the swing rod 9 is hinged to the inner wall of the groove 4 through a rotating shaft, and the swing rod 9 can swing around the rotating shaft. The moving ring 13 is sleeved on the surface of the handle 6, and the moving ring 13 can move on the surface of the handle 6. The surface of the moving ring 13 is connected with a spring 5, and the other end of the spring 5 is connected to the surface of the extension sleeve 2. The moving block 7 is plugged into the surface of the moving ring 13, and the moving block 7 can move inside the moving ring 13. The end of the moving block 7 is connected with a spring, and the spring is located inside the moving ring 13;

[0024] The supporting rod 10 is arranged on the surface of the swing rod 9, and the supporting rod 10 is fixed on the surface of the swing rod 9. The supporting rod 10 swings with the swing rod 9. A through hole 11 is opened on the inner wall of the extension sleeve 2. The supporting rod 10 is inserted into the through hole 11, and the supporting rod 10 can move in the through hole 11. After the swing rod 9 swings, the supporting rod 10 moves in the through hole 11, and the end of the supporting rod 10 is supported in the limiting groove 12, which fixes the extension sleeve 2 and the wrench 1 to prevent the extension sleeve 2 from shaking when the wrench 1 is used.

[0025] The outer sleeve of the wrench 1 is provided with an extension sleeve 2, which can move on the surface of the wrench 1 to extend the wrench 1 and increase the length of the force arm, making it more labor-saving when used. After moving the extension sleeve 2, the moving ring 13 moves on the surface of the handle 6 under the pull of the spring 5, pushing the moving block 7, so that the pushing plate 8 presses down the swing rod 9. After the swing rod 9 swings, it is inserted into the surface of the moving ring 13. The end of the swing rod 9 is hinged to the inside of the extension block 3 through a rotating shaft. After the swing rod 9 swings, the supporting rod 10 moves in the through hole 11, and the end of the supporting rod 10 is supported in the limiting groove 12, which fixes the extension sleeve 2 and the wrench 1 to prevent the extension sleeve 2 from shaking when the wrench 1 is used.

[0026] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. A tire removal auxiliary device for automobile maintenance, characterized in that: include: A spanner (1), wherein an extension sleeve (2) is arranged on the surface of the spanner (1); A moving ring (13), a moving block (7) is arranged on the surface of the moving ring (13), a push plate (8) is fixed to the end of the moving block (7), an extension block (3) is arranged on the surface of the extension sleeve (2), a groove (4) is opened on the surface of the extension block (3), and a swing rod (9) is arranged inside the groove (4); and The supporting rod (10) is arranged on the surface of the swing rod (9).

2. A tire removal auxiliary device for automobile maintenance according to claim 1, characterized in that: The extension block (3) is fixed on the surface of the extension sleeve (2), the end of the swing rod (9) is hinged to the inner wall of the slot (4) through a rotating shaft, and the swing rod (9) can swing around the rotating shaft.

3. A tire removal auxiliary device for automobile maintenance according to claim 2, characterized in that: A supporting rod (10) is fixed on the surface of the swing rod (9), and the supporting rod (10) swings along with the swing rod (9). A through hole (11) is provided on the inner wall of the extension sleeve (2), and the supporting rod (10) is inserted into the through hole (11), and the supporting rod (10) can move in the through hole (11).

4. A tire removal auxiliary device for automobile maintenance according to claim 3, characterized in that: A limiting groove (12) is provided on the surface of the wrench (1), teeth are provided on the end surface of the supporting rod (10), teeth are provided on the inner wall of the limiting groove (12), and the supporting rod (10) is supported inside the limiting groove (12) after moving.

5. A tire removal auxiliary device for automobile maintenance according to claim 4, characterized in that: The movable ring (13) is sleeved on the surface of the handle (6), and the movable ring (13) can move on the surface of the handle (6). The surface of the movable ring (13) is connected to a spring (5), and the other end of the spring (5) is connected to the surface of the extension sleeve (2).

6. A tire removal auxiliary device for automobile maintenance according to claim 5, characterized in that: The moving block (7) is plugged into the surface of the moving ring (13), and the moving block (7) can move inside the moving ring (13). The end of the moving block (7) is connected to a spring, and the spring is located inside the moving ring (13).