Wear-resistant device for telescopic rod of automobile

By designing the wear-resistant device of the automotive telescopic rod, and using structures such as guide grooves, guide blocks, buffers and dampers, the problem of poor wear-resistant performance of existing automotive electric struts is solved, achieving a longer service life and better protection performance.

CN222823082UActive Publication Date: 2025-05-02CHANGCHUN SHENGXI AUTO PARTS MANUFACTURING CO LTD
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Patent Information

Application Number
CN202421796827.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-29
Publication Date
2025-05-02
Estimated Expiration
2034-07-29

AI Technical Summary

Technical Problem

The wear resistance of existing automobile electric struts is poor, the manufacturing industry is complex, and it is prone to noise and rust and stuck, resulting in short life, high noise and unstable performance.

Method used

An automotive telescopic rod wear resistance device is designed, including an outer rod assembly and an inner rod assembly. The outer rod assembly is provided with guide grooves and buffer plates on the surface, the inner rod assembly is provided with guide blocks and limit plates on the surface, and a damper and elastic member are provided at the bottom to reduce friction and losses and extend service life.

Benefits of technology

By using structures such as guide grooves, guide blocks, buffers and dampers during the expansion and contraction process, smoother movement is achieved, reducing wear, extending service life, and improving protection performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of automobile accessories, and particularly relates to an automobile telescopic rod wear-resisting device which comprises an outer rod assembly, an outer rod body, a guide groove formed in the surface of the outer rod body, a fixing block arranged at the top of an inner cavity of the outer rod body, a buffering piece arranged on one side of the fixing block and a buffering plate arranged at one end of the buffering piece. The inner rod assembly comprises an inner rod main body arranged in the outer rod main body, a guide block arranged on the surface of the inner rod main body and matched with the guide groove, a limiting plate arranged on the surface of the inner rod main body, a damper arranged at the bottom of the inner rod main body, an elastic piece arranged on the surface of the damper and a base arranged at the bottom of the damper; the structure is reasonable, friction and loss can be reduced in the using process, and the service life can be prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile accessories, in particular to a wear-resistant device for an automobile telescopic rod. Background Art

[0002] With the development of society and the improvement of people's living standards, various industrial machinery products have gradually penetrated into people's daily lives. In particular, people's demand for cars is increasing. Cars have gradually become the preferred means of transportation for the public, and the quality and configuration of cars are increasingly valued by the public.

[0003] At present, domestic automobile electric struts all have inner and outer tubes that directly cooperate to form a guide rail to achieve reciprocating motion to achieve the purpose of opening and closing the door. However, such a design has poor wear resistance and the manufacturing industry is also very complicated. The inner tube is easily penetrated due to friction and easily generates noise. It is more likely that the inner and outer tubes will rust and get stuck, resulting in problems such as short life of the strut, high noise, and unstable performance.

[0004] Based on the above problems, we propose a new wear-resistant device for automobile telescopic rod. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] In view of the problems existing in the prior art, the present utility model is proposed.

[0007] Therefore, the purpose of the utility model is to provide a wear-resistant device for an automobile telescopic rod, which can reduce friction and loss during use and help extend the service life.

[0008] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0009] A wear-resistant device for a telescopic rod of an automobile, comprising:

[0010] The outer rod assembly comprises an outer rod body, a guide groove arranged on the surface of the outer rod body, a fixing block arranged on the top of the inner cavity of the outer rod body, a buffer member arranged on one side of the fixing block, and a buffer plate arranged at one end of the buffer member;

[0011] The inner rod assembly includes an inner rod body arranged inside the outer rod body, a guide block arranged on the surface of the inner rod body and matched with the guide groove, a limit plate arranged on the surface of the inner rod body, a damper arranged at the bottom of the inner rod body, an elastic member arranged on the surface of the damper, and a base arranged at the bottom of the damper.

[0012] As a preferred solution of the wear-resistant device for an automobile telescopic rod described in the utility model, wherein: the outer rod body is made of high-strength metal.

[0013] As a preferred solution of the wear-resistant device for an automobile telescopic rod described in the utility model, wherein: the buffer member is a buffer spring.

[0014] As a preferred solution of the wear-resistant device for an automobile telescopic rod described in the utility model, the buffer plate is arranged in a ring shape, and a through hole matching with the inner rod body is arranged in the middle of the buffer plate.

[0015] As a preferred solution of the wear-resistant device for an automobile telescopic rod described in the utility model, sliding blocks matching with the guide grooves are arranged on both sides of the guide block.

[0016] As a preferred solution of the wear-resistant device for an automobile telescopic rod described in the utility model, the limiting plate is arranged in a ring shape, and the size of the limiting plate is the same as that of the buffer plate.

[0017] As a preferred solution of the wear-resistant device for an automobile telescopic rod described in the utility model, wherein: the elastic member is made of a return spring, and the base is made of rubber.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1. By providing a guide groove on the surface of the outer rod body and a matching guide block on the surface of the inner rod body, the process of extension and retraction can be smoother, wear can be reduced, and the service life can be extended;

[0020] 2. In addition, by providing a fixing block inside the inner rod body, providing a buffer at one end of the fixing block, and providing a buffer plate at the bottom of the buffer, it is possible to provide buffering when the inner rod body is stretched to prevent damage; by providing a damper at the bottom of the inner rod body, providing a base at the bottom of the damper, and providing an elastic member on the surface of the damper, it is possible to provide buffering when the inner rod body is contracted to further improve the protection performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0022] Figure 1 It is a schematic diagram of the structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the outer rod assembly of the utility model;

[0024] Figure 3 This is a schematic diagram of the structure of the inner rod assembly of the utility model.

[0025] In the figure; 100 outer rod assembly, 110 outer rod body, 120 guide groove, 130 fixing block, 140 buffer member, 150 buffer plate, 200 inner rod assembly, 210 inner rod body, 220 guide block, 230 limit plate, 240 damper, 250 elastic member, 260 base. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0027] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0028] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0029] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0030] The utility model provides the following technical solutions: a wear-resistant device for an automobile telescopic rod, which can reduce friction and loss during use and help extend the service life;

[0031] Figures 1 to 3The structure diagram of an embodiment of a wear-resistant device for a telescopic rod of an automobile of the utility model is shown, and the main part thereof includes an outer rod assembly 100 and an inner rod assembly 200;

[0032] The outer rod assembly 100 includes an outer rod body 110, a guide groove 120 provided on the surface of the outer rod body 110, a fixing block 130 installed on the top of the inner cavity of the outer rod body 110, a buffer 140 installed on one side of the fixing block 130, and a buffer plate 150 installed at one end of the buffer 140. The outer rod body 110 is made of high-strength metal, the buffer 140 is a buffer spring, the buffer plate 150 is annularly arranged, and a through hole matching the inner rod body 210 is provided in the middle of the buffer plate 150. Further, the outer rod body 110 is used to carry the inner rod body 210, the guide groove 120 is used to cooperate with the guide block 220 to guide the inner rod body 210, the fixing block 130 is used to carry the buffer 140, the buffer 140 is used to carry the buffer plate 150, and the buffer plate 150 is used to buffer when the inner rod body 210 is stretched to prevent damage;

[0033] The inner rod assembly 200 includes an inner rod body 210 installed inside the outer rod body 110, a guide block 220 installed on the surface of the inner rod body 210 and matched with the guide groove 120, a limit plate 230 installed on the surface of the inner rod body 210, a damper 240 installed at the bottom of the inner rod body 210, an elastic member 250 installed on the surface of the damper 240, and a base 260 installed at the bottom of the damper 240. Slide blocks matching the guide groove 120 are installed on both sides of the guide block 220. The positioning plate 230 is arranged in a ring shape, and the size of the limiting plate 230 is the same as that of the buffer plate 150. The elastic member 250 is made of a return spring, and the base 260 is made of rubber. Furthermore, the inner rod assembly 200 is used for telescopic adjustment, the guide block 220 is used to cooperate with the guide groove 120 for guiding, the limiting plate 230 is used to cooperate with the buffer plate 150 for blocking and buffering, and the damper 240, the elastic member 250 and the base 260 are used for buffering when the inner rod body 210 contracts, thereby further improving the protection performance.

[0034] Combination Figure 1-Figure 3The wear-resistant device of a telescopic rod of an automobile in this embodiment has the following specific operations: by providing a guide groove 120 on the surface of the outer rod body 110 and providing a matching guide block 220 on the surface of the inner rod body 210, the telescopic process can be smoother and reduce wear, which helps to extend the service life; in addition, by providing a fixing block 130 inside the inner rod body 210, a buffer member 140 is provided at one end of the fixing block 130, and a buffer plate 150 is provided at the bottom of the buffer member 140, it can be used for buffering when the inner rod body 210 is stretched to prevent damage; by providing a damper 240 at the bottom of the inner rod body 210, a base 260 is provided at the bottom of the damper 240, and an elastic member 250 is provided on the surface of the damper 240, it can be used for buffering when the inner rod body 210 is contracted, thereby further improving the protection performance.

[0035] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A wear-resistant device for an automobile telescopic rod, characterized in that: include: An outer rod assembly (100) comprises an outer rod body (110), a guide groove (120) arranged on the surface of the outer rod body (110), a fixing block (130) arranged at the top of the inner cavity of the outer rod body (110), a buffer member (140) arranged on one side of the fixing block (130), and a buffer plate (150) arranged at one end of the buffer member (140); The inner rod assembly (200) comprises an inner rod body (210) arranged inside the outer rod body (110), a guide block (220) arranged on the surface of the inner rod body (210) and matched with the guide groove (120), a limit plate (230) arranged on the surface of the inner rod body (210), a damper (240) arranged at the bottom of the inner rod body (210), an elastic member (250) arranged on the surface of the damper (240), and a base (260) arranged at the bottom of the damper (240).

2. The wear-resistant device for an automobile telescopic rod according to claim 1, characterized in that: The outer rod body (110) is made of high-strength metal.

3. The wear-resistant device for an automobile telescopic rod according to claim 1, characterized in that: The buffer member (140) is a buffer spring.

4. The wear-resistant device for an automobile telescopic rod according to claim 1, characterized in that: The buffer plate (150) is arranged in an annular shape, and a through hole matching the inner rod body (210) is arranged in the middle of the buffer plate (150).

5. The wear-resistant device for an automobile telescopic rod according to claim 1, characterized in that: Slide blocks matching the guide grooves (120) are arranged on both sides of the guide block (220).

6. The wear-resistant device for an automobile telescopic rod according to claim 1, characterized in that: The limiting plate (230) is arranged in a ring shape, and the size of the limiting plate (230) is the same as that of the buffer plate (150).

7. The wear-resistant device for an automobile telescopic rod according to claim 1, characterized in that: The elastic member (250) is made of a return spring, and the base (260) is made of rubber.