Guider for automobile shock absorber

Abstract

The utility model discloses a guider for an automobile shock absorber, which comprises a guider body, a lining made of copper materials is embedded in the inner side of the upper end of the guider body, a first annular step is arranged on the outer wall of the lower end of the lining, and a second annular step is arranged on the inner wall of the upper portion of the guider body. The first annular step is supported on the second annular step; an annular embedded block is arranged on the outer wall of the upper end of the lining, an annular embedded groove is formed in the inner wall of the upper end of the guider body, and the annular embedded block and the annular embedded groove are embedded so as to prevent the lining from being axially disengaged from the guider body. According to the guide device, the annular embedded block is arranged on the outer wall of the upper end of the lining, and the annular embedded groove is formed in the inner wall of the upper end of the guide device body, so that when the guide rod vertically moves relative to the guide device body, the lining can be effectively prevented from being separated from the guide device body, damage to the automobile shock absorber can be avoided, and the service life of the automobile shock absorber is prolonged. And the service life of the automobile shock absorber can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile shock absorbers, in particular to a guide for automobile shock absorbers. Background Art

[0002] The guide for automobile shock absorber is an important component in the automobile shock absorber. When the guide is in use, the upper end of the guide is fixed to the upper working cylinder in the automobile shock absorber, and the lower end of the guide is fixed to the lower working cylinder in the automobile shock absorber. In addition, the guide rod in the automobile shock absorber can be vertically movably inserted into the guide. In order to reduce the wear between the guide and the guide rod, the guide currently on the market is embedded with a bushing made of copper material, that is, the bushing made of copper material is between the guide and the guide rod; however, in the current guide structure, the bushing is only embedded in the guide by means of interference fit, so that when the guide rod moves vertically relative to the guide, it is easy for the bushing to detach from the guide, which will cause damage to the automobile shock absorber. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a guide for an automobile shock absorber, which can effectively prevent the bushing from being separated from the guide body, thereby avoiding damage to the automobile shock absorber, that is, can extend the service life of the automobile shock absorber.

[0004] The utility model discloses a guide for an automobile shock absorber, comprising a guide body, a bushing made of copper material is embedded in the inner side of the upper end of the guide body, a first annular step is arranged on the outer wall of the lower end of the bushing, a second annular step is arranged on the inner wall of the upper part of the guide body, and the first annular step is supported on the second annular step; an annular insert is arranged on the outer wall of the upper end of the bushing, an annular embedding groove is arranged on the inner wall of the upper end of the guide body, and the annular insert is embedded in the annular embedding groove to prevent the bushing from axially separating from the guide body.

[0005] The utility model provides an annular embedding block on the outer wall of the upper end of the bushing and an annular embedding groove on the inner wall of the upper end of the guide body. When the guide rod moves vertically relative to the guide body, the bushing can be effectively prevented from being separated from the guide body, thereby avoiding damage to the automobile shock absorber and prolonging the service life of the automobile shock absorber.

[0006] The utility model provides a guide for an automobile shock absorber, wherein a first annular chamfered surface is provided on the outer wall of the lower end of the annular insert, and the first annular chamfered surface is used for cooperating and guiding with the inner wall of the upper end of the guide body so as to facilitate the annular insert to axially enter the inner side of the guide body and be engaged with the annular embedding groove; after the first annular chamfered surface is provided on the outer wall of the lower end of the annular insert, in the process of the bushing being axially embedded into the inner side of the upper end of the guide body, the first annular chamfered surface can cooperate and guide with the inner wall of the upper end of the guide body so as to facilitate the annular insert to axially enter the inner side of the guide body and be engaged with the annular embedding groove, that is, it can bring convenience to the assembly of the bushing and the guide body.

[0007] The utility model discloses a guide for an automobile shock absorber, wherein an annular rounded surface is provided on the inner wall of the upper end of the guide body, and the annular rounded surface is used for cooperating and guiding with the outer wall of the bushing so as to facilitate the axial embedding of the bushing into the upper end of the guide body; after the annular rounded surface is provided on the inner wall of the upper end of the guide body, when the bushing and the guide body are assembled, the annular rounded surface can cooperate and guide with the outer wall of the bushing so as to facilitate the axial embedding of the bushing into the upper end of the guide body, that is, it can bring convenience to the assembly of the bushing and the guide body.

[0008] The utility model provides a guide for an automobile shock absorber, wherein a third annular step is arranged on the outer wall of the upper end of the guide body, a first annular groove is arranged on the side wall of the third annular step, the lower end of the first annular groove is connected with the upper end surface of the third annular step, and the first annular groove is used to fill solder; after adopting this structure, when the guide body and the working cylinder are fixed, the solder is first filled in the first annular groove, and then the upper end of the guide body is inserted into the lower end of the upper working cylinder and the lower end of the upper working cylinder is abutted against the third annular step, and then the guide body and the upper working cylinder are heated, at this time, the solder located in the first annular groove can melt and adhere to the guide body and the upper working cylinder, and after the solder is cooled, the guide body and the upper working cylinder can be welded and fixed; after adopting this structure, the welding and fixing of the guide body and the upper working cylinder can be facilitated.

[0009] The utility model provides a guide for an automobile shock absorber, wherein a second annular chamfered surface is provided on the outer wall of the upper end of the guide body, and the second annular chamfered surface is used for cooperating with the inner wall of the lower end of the upper working cylinder for guiding so as to facilitate the upper end of the guide body to be inserted into the lower end of the upper working cylinder; after the second reversing chamfered surface is provided on the outer wall of the upper end of the guide body, when the upper end of the guide body is cooperating and plugged with the lower end of the upper working cylinder, the second annular chamfered surface can cooperate with the inner wall of the lower end of the upper working cylinder for guiding so as to facilitate the upper end of the guide body to be inserted into the lower end of the upper working cylinder, that is, it can bring convenience to the assembly of the guide body and the upper working cylinder.

[0010] The utility model provides a guide for an automobile shock absorber, wherein a fourth annular step is provided on the inner wall of the lower end of the guide body, a second annular groove is provided on the side wall of the fourth annular step, the upper end of the second annular groove is connected with the upper end surface of the fourth annular step, and the second annular groove is used to fill solder; after adopting this structure, when the guide body and the lower working cylinder are fixed, the solder is first filled in the second annular groove, and then the upper end of the lower working cylinder is inserted into the lower end of the inverted guide body and the upper end of the lower working cylinder is abutted against the upper end surface of the fourth annular step, and then the guide body and the lower working cylinder are heated, at this time, the solder located in the second annular groove can melt and adhere to the guide body and the lower working cylinder, and after the solder is cooled, the guide body and the lower working cylinder can be welded and fixed; after adopting this structure, the welding and fixing of the guide body and the lower working cylinder can be facilitated.

[0011] The utility model provides a guide for an automobile shock absorber, wherein a third annular chamfered surface is provided on the inner wall of the lower end of the guide body, and the third annular chamfered surface is used for cooperating with the outer wall of the upper end of the lower working cylinder barrel for guiding so as to facilitate the upper end of the lower working cylinder barrel to be inserted into the lower end of the guide body; after the third annular chamfered surface is provided on the inner wall of the lower end of the guide body, when the lower end of the guide body and the upper end of the lower working cylinder barrel are cooperating and plugged, the third annular chamfered surface can cooperate with the outer wall of the upper end of the lower working cylinder barrel for guiding so as to facilitate the upper end of the lower working cylinder barrel to be inserted into the lower end of the guide body, that is, it can bring convenience to the assembly of the guide body and the lower working cylinder barrel. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0013] Figure 1 is a schematic diagram of the three-dimensional structure of the guide body;

[0014] Figure 2 It is a schematic diagram of the cross-sectional structure after the bushing and the guide body are assembled;

[0015] Figure 3 for Figure 2 Schematic diagram of the structure after enlarging point A in the middle. DETAILED DESCRIPTION

[0016] The following will disclose multiple embodiments of the present invention with drawings. For the purpose of clear description, many practical details will be described together in the following description. However, it should be understood that these practical details should not be used to limit the present invention. In other words, in some embodiments of the present invention, these practical details are not necessary. In addition, in order to simplify the drawings, some conventional structures and components will be depicted in a simple schematic manner in the drawings.

[0017] In addition, in the present utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present utility model. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0018] like Figure 1-3 As shown, the guide for automobile shock absorber of the utility model comprises a guide body 1, a bushing 2 made of copper material is embedded in the inner side of the upper end of the guide body 1, a first annular step 21 is arranged on the outer wall of the lower end of the bushing 2, a second annular step 11 is arranged on the inner wall of the upper part of the guide body 1, and the first annular step 21 is supported on the second annular step 11; an annular insert 22 is arranged on the outer wall of the upper end of the bushing 2, and an annular embedding groove 12 is arranged on the inner wall of the upper end of the guide body 1, and the annular insert 22 is embedded in the annular embedding groove 12 to prevent the bushing 2 from axially disengaging from the guide body 1.

[0019] A first annular chamfered surface 23 is provided on the outer wall of the lower end of the annular insert 22, and the first annular chamfered surface 23 is used to cooperate and guide with the inner wall of the upper end of the guide body 1 so that the annular insert 22 can axially enter the inner side of the guide body 1 and be engaged with the annular groove 12; after the first annular chamfered surface is provided on the outer wall of the lower end of the annular insert, in the process of the bushing being axially embedded into the inner side of the upper end of the guide body, the first annular chamfered surface can cooperate and guide with the inner wall of the upper end of the guide body so that the annular insert can axially enter the inner side of the guide body and be engaged with the annular groove, which can facilitate the assembly of the bushing and the guide body.

[0020] An annular rounded surface 13 is provided on the inner wall of the upper end of the guide body 1, and the annular rounded surface 13 is used to cooperate and guide with the outer wall of the bushing 2 so that the bushing 2 can be axially embedded in the upper end of the guide body 1; after the annular rounded surface is provided on the inner wall of the upper end of the guide body, when the bushing and the guide body are assembled, the annular rounded surface can cooperate and guide with the outer wall of the bushing so that the bushing can be axially embedded in the upper end of the guide body, which can facilitate the assembly of the bushing and the guide body.

[0021] A third annular step 14 is arranged on the outer wall of the upper end of the guide body 1, and a first annular groove 15 is arranged on the side wall of the third annular step 14. The lower end of the first annular groove 15 is connected with the upper end surface of the third annular step 14, and the first annular groove 15 is used to fill solder. After adopting this structure, when the guide body and the working cylinder are fixed, the solder is first filled in the first annular groove, and then the upper end of the guide body is inserted into the lower end of the upper working cylinder and the lower end of the upper working cylinder is abutted against the third annular step. Then the guide body and the upper working cylinder are heated. At this time, the solder located in the first annular groove can melt and adhere to the guide body and the upper working cylinder. After the solder is cooled, the guide body and the upper working cylinder can be welded and fixed. After adopting this structure, the welding and fixing of the guide body and the upper working cylinder can be facilitated.

[0022] A second annular chamfered surface 16 is provided on the outer wall of the upper end of the guide body 1, and the second annular chamfered surface 16 is used to cooperate and guide with the inner wall of the lower end of the upper working cylinder so as to facilitate the insertion of the upper end of the guide body 1 into the lower end of the upper working cylinder; after the second reversing chamfered surface is provided on the outer wall of the upper end of the guide body, when the upper end of the guide body and the lower end of the upper working cylinder are cooperated and plugged, the second annular chamfered surface can cooperate and guide with the inner wall of the lower end of the upper working cylinder so as to facilitate the insertion of the upper end of the guide body into the lower end of the upper working cylinder, that is, it can bring convenience to the assembly of the guide body and the upper working cylinder.

[0023] A fourth annular step 17 is provided on the inner wall of the lower end of the guide body 1, and a second annular groove 18 is provided on the side wall of the fourth annular step 17. The upper end of the second annular groove 18 is connected with the upper end surface of the fourth annular step 17, and the second annular groove 18 is used to fill solder. After adopting this structure, when the guide body and the lower working cylinder are fixed, the solder is first filled in the second annular groove, and then the upper end of the lower working cylinder is inserted into the lower end of the inverted guide body and the upper end of the lower working cylinder is abutted against the upper end surface of the fourth annular step. Subsequently, the guide body and the lower working cylinder are heated. At this time, the solder located in the second annular groove can melt and adhere to the guide body and the lower working cylinder. After the solder is cooled, the guide body and the lower working cylinder can be welded and fixed. After adopting this structure, the welding and fixing of the guide body and the lower working cylinder can be facilitated.

[0024] A third annular chamfered surface 19 is provided on the inner wall of the lower end of the guide body 1, and the third annular chamfered surface 19 is used to cooperate and guide with the outer wall of the upper end of the lower working cylinder so as to facilitate the insertion of the upper end of the lower working cylinder into the lower end of the guide body 1; after the third annular chamfered surface is provided on the inner wall of the lower end of the guide body, when the lower end of the guide body and the upper end of the lower working cylinder are cooperated and plugged, the third annular chamfered surface can cooperate and guide with the outer wall of the upper end of the lower working cylinder so as to facilitate the insertion of the upper end of the lower working cylinder into the lower end of the guide body, that is, it can bring convenience to the assembly of the guide body and the lower working cylinder.

[0025] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A guide for an automobile shock absorber, comprising a guide body (1), wherein a bushing (2) made of copper material is embedded inside the upper end of the guide body (1), characterized in that: A first annular step (21) is provided on the outer wall of the lower end of the bushing (2), and a second annular step (11) is provided on the inner wall of the upper part of the guide body (1), and the first annular step (21) is supported on the second annular step (11); an annular insert (22) is provided on the outer wall of the upper end of the bushing (2), and an annular groove (12) is provided on the inner wall of the upper end of the guide body (1), and the annular insert (22) is engaged with the annular groove (12) to prevent the bushing (2) from axially disengaging from the guide body (1).

2. The guide for automobile shock absorber according to claim 1, characterized in that: A first annular chamfered surface (23) is provided on the outer wall of the lower end of the annular insert (22), and the first annular chamfered surface (23) is used to cooperate with the inner wall of the upper end of the guide body (1) to guide the annular insert (22) to axially enter the inner side of the guide body (1) and engage with the annular groove (12).

3. The guide for automobile shock absorber according to claim 1 or 2, characterized in that: An annular rounded surface (13) is provided on the inner wall of the upper end of the guide body (1), and the annular rounded surface (13) is used to cooperate with the outer wall of the bushing (2) for guidance so that the bushing (2) can be axially embedded in the upper end of the guide body (1).

4. The guide for automobile shock absorber according to claim 1, characterized in that: A third annular step (14) is arranged on the outer wall of the upper end of the guide body (1), a first annular groove (15) is arranged on the side wall of the third annular step (14), the lower end of the first annular groove (15) is connected to the upper end surface of the third annular step (14), and the first annular groove (15) is used to fill solder.

5. The guide for automobile shock absorber according to claim 4, characterized in that: A second annular chamfered surface (16) is provided on the outer wall of the upper end of the guide body (1), and the second annular chamfered surface (16) is used to cooperate with the inner wall of the lower end of the upper working cylinder to guide the upper end of the guide body (1) to be inserted into the lower end of the upper working cylinder.

6. The guide for automobile shock absorber according to claim 1, characterized in that: A fourth annular step (17) is provided on the inner wall of the lower end of the guide body (1), a second annular groove (18) is provided on the side wall of the fourth annular step (17), the upper end of the second annular groove (18) is connected to the upper end surface of the fourth annular step (17), and the second annular groove (18) is used to fill solder.

7. The guide for automobile shock absorber according to claim 6, characterized in that: A third annular chamfered surface (19) is provided on the inner wall of the lower end of the guide body (1), and the third annular chamfered surface (19) is used to cooperate with the outer wall of the upper end of the lower working cylinder barrel to guide so that the upper end of the lower working cylinder barrel can be inserted into the lower end of the guide body (1).

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