CN214946000U

CN214946000U - Guide assembly for automobile shock absorber

Info

Publication number: CN214946000U
Application number: CN202120580323.8U
Authority: CN
Inventors: 徐信国; 赖邦华
Original assignee: Ningbo Ningjiang Powder Metallurgy Co ltd
Current assignee: Ningbo Ningjiang Powder Metallurgy Co ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-11-30
Anticipated expiration: 2031-03-22

Abstract

The utility model discloses a director subassembly for automobile shock absorber, including the director body, be provided with first annular step on the periphery wall of director body lower extreme, first annular step is used for with the upper end gomphosis of the work cylinder in the automobile shock absorber, the top of first annular step is inlayed and is equipped with the sealing washer, the sealing washer is used for realizing sealed between director body and the work cylinder, be provided with downwardly extending annular vertical limit on the interior tip of sealing washer, be provided with the annular caulking groove that is used for supplying the embedding of the inward flange part of annular vertical limit on the inside wall of first annular step, after the director body gomphosis with the work cylinder, the periphery wall of annular vertical limit is used for hugging closely and realizing sealedly with the interior perisporium of work cylinder; the utility model discloses with the working cylinder assembly back in the automobile shock absorber, can realize double seal's structure between director body and the working cylinder to can effectively avoid the phenomenon that appears the oil leak between director body and the working cylinder.

Description

Guide assembly for automobile shock absorber

Technical Field

The utility model relates to an automobile shock absorber technical field, concretely relates to director subassembly for automobile shock absorber.

Background

The guider is an important part in the automobile shock absorber, the guider is arranged at the upper end of a working cylinder barrel positioned in the automobile shock absorber when in use, and a sealing structure is arranged between the guider and the working cylinder barrel.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a director subassembly for automobile shock absorber, its work cylinder assembly back with in the automobile shock absorber, can realize double seal's structure between director body and the work cylinder to can effectively avoid appearing the phenomenon of oil leak between director body and the work cylinder, and then can ensure automobile shock absorber's damping effect and can improve automobile shock absorber's life.

The utility model discloses a director subassembly for automobile shock absorber, including the director body, be provided with first annular step on the periphery wall of director body lower extreme, first annular step be arranged in with the upper end gomphosis of the work cylinder in the automobile shock absorber, the top of first annular step is inlayed and is equipped with the sealing washer, the sealing washer is used for realizing sealed between director body and the work cylinder, be provided with downwardly extending's the vertical limit of annular in the interior tip of sealing washer, be provided with the annular caulking groove that is used for supplying the embedding of the inward flange part on the inside wall of first annular step, after director body and the gomphosis of work cylinder, the periphery wall on the vertical limit of annular is used for hugging closely and realizing sealedly with the interior perisporium of work cylinder.

The utility model discloses a director subassembly for automobile shock absorber, wherein, be provided with first annular chamfer face on the periphery wall of the vertical limit lower extreme of annular, first annular chamfer face be arranged in with the interior perisporium cooperation direction of working cylinder section of thick bamboo imbed working cylinder section of thick bamboo with convenient annular vertical limit.

The utility model discloses a director subassembly for automobile shock absorber, wherein, be provided with second annular chamfer face on the periphery wall of director body lower extreme, second annular chamfer face be used for with the internal perisporium cooperation direction of sealing washer in order to make things convenient for the sealing washer to inlay the interior top of dress to first annular step, second annular chamfer face still be used for with the internal perisporium cooperation direction of work cylinder in order to make things convenient for the upper end and the director body gomphosis of work cylinder.

The utility model discloses a director subassembly for automobile shock absorber ware, wherein, be provided with second annular step on the internal perisporium of director body lower extreme, inlay in the second annular step and be equipped with the bush, the up end of bush offsets with the up end of second annular step, and the lower terminal surface of bush flushes with the lower terminal surface of director body, is provided with a plurality of annular antiskid groove along the axial direction distribution of bush on the periphery wall of bush.

The utility model discloses a director subassembly for automobile shock absorber, wherein, be provided with on the periphery wall of bush upper end be used for with the lateral wall cooperation direction of second annular step in order to make things convenient for the bush to imbed the third annular chamfer face in the second annular step.

The utility model discloses after the work cylinder assembly with in the automobile shock absorber, can realize double seal's structure between director body and the work cylinder, director body and work cylinder assembly back promptly, the upper end and the lower extreme of sealing washer can support tightly with director body and work cylinder respectively, so, can realize a heavy seal structure between director body and the work cylinder, furthermore, after director body and work cylinder assembly, the periphery wall that is located the vertical limit of annular on the sealing washer can be hugged closely and realize sealedly with the interior perisporium of work cylinder, double seal between director body and the work cylinder has been realized promptly, thereby can effectively avoid the phenomenon that appears between director body and the work cylinder, and then can ensure automobile shock absorber's damping effect and can improve automobile shock absorber's life.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the partially exploded structure of the present invention;

FIG. 3 is a schematic perspective sectional view of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3;

fig. 5 is a perspective view of the bushing.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model discloses a director subassembly for automobile shock absorber, including director body 1, be provided with first annular step 11 on the periphery wall of director body 1 lower extreme, first annular step 11 be arranged in with the upper end gomphosis of the work cylinder in the automobile shock absorber, the top of first annular step 11 is inlayed and is equipped with sealing washer 2, sealing washer 2 is used for realizing sealed between director body 1 and the work cylinder, be provided with downwardly extending's the vertical limit of annular 21 in the interior tip of sealing washer 2, be provided with the annular caulking groove 12 that is used for supplying the embedding of the inward flange part of the vertical limit of annular 21 on the inside wall of first annular step 11, director body 1 is with behind the gomphosis of work cylinder, the periphery wall of the vertical limit of annular 21 is used for hugging closely and realizing sealedly with the interior perisporium of work cylinder.

A first annular chamfer surface 22 is arranged on the outer peripheral wall at the lower end of the annular vertical edge 21, and the first annular chamfer surface 22 is used for being matched and guided with the inner peripheral wall of the working cylinder barrel so as to facilitate the annular vertical edge 21 to be embedded into the working cylinder barrel; through the setting of first annular chamfer face, when the director body was inlayed with the upper end of work cylinder, first annular chamfer face can lead with the interior perisporium cooperation of work cylinder in order to make things convenient for the vertical limit of annular to imbed in the work cylinder and realize with the sealed of work cylinder.

A second annular chamfer surface 13 is arranged on the outer peripheral wall of the lower end of the guider body 1, the second annular chamfer surface 13 is used for being matched with the inner peripheral wall of the sealing ring 2 for guiding so as to facilitate the sealing ring 2 to be embedded on the inner top of the first annular step 11, and the second annular chamfer surface 13 is also used for being matched with the inner peripheral wall of the working cylinder for guiding so as to facilitate the upper end of the working cylinder to be embedded with the guider body 1; through the arrangement of the second annular chamfer surface, when the sealing ring is embedded with the guider body, the inner peripheral wall of the sealing ring can be matched with the second annular chamfer surface for guiding so as to facilitate the embedding of the sealing ring on the inner top of the first annular step; in addition, when the guider body is assembled with the working cylinder, the second annular chamfer surface can also be matched with the inner peripheral wall of the working cylinder for guiding so as to facilitate the embedding of the guider body to the upper end of the working cylinder.

A second annular step 14 is arranged on the inner peripheral wall of the lower end of the guider body 1, a bushing 3 is embedded in the second annular step 14, the upper end face of the bushing 3 is abutted against the upper end face of the second annular step 14, the lower end face of the bushing 3 is flush with the lower end face of the guider body 1, and a plurality of annular anti-skid grooves 31 distributed along the axial direction of the bushing 3 are arranged on the outer peripheral wall of the bushing 3; after the annular anti-skidding groove is formed in the peripheral wall of the bushing, friction force between the bushing and the guider body can be increased after the bushing is embedded with the second annular step, and therefore the phenomenon that the bushing breaks away from the guider body can be effectively avoided.

A third annular chamfer surface 32 which is used for being matched and guided with the side wall of the second annular step 14 so as to facilitate the insertion of the bush 3 into the second annular step 14 is arranged on the outer peripheral wall of the upper end of the bush 3; through the setting of third annular chamfer face, when bush and director body assembled, third annular chamfer face can lead with the lateral wall cooperation of second annular step in order to make things convenient for the bush to imbed in the second annular step.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a director subassembly for automobile shock absorber, includes director body (1), be provided with first annular step (11) on the periphery wall of director body (1) lower extreme, first annular step (11) are arranged in with the upper end gomphosis of the working cylinder in the automobile shock absorber, the top of first annular step (11) is inlayed and is equipped with sealing washer (2), sealing washer (2) are used for realizing the sealed between director body (1) and the working cylinder, its characterized in that: the sealing device is characterized in that an annular vertical edge (21) extending downwards is arranged at the inner end part of the sealing ring (2), an annular embedding groove (12) used for embedding the inner edge part of the annular vertical edge (21) is formed in the inner side wall of the first annular step (11), and after the guider body (1) is embedded with the working cylinder barrel, the outer peripheral wall of the annular vertical edge (21) is used for being tightly attached to the inner peripheral wall of the working cylinder barrel and achieving sealing.

2. The guide assembly for a shock absorber of an automobile according to claim 1, wherein the outer peripheral wall of the lower end of the annular vertical side (21) is provided with a first annular chamfered surface (22), and the first annular chamfered surface (22) is adapted to be guided in cooperation with the inner peripheral wall of the working cylinder to facilitate the insertion of the annular vertical side (21) into the working cylinder.

3. The guide assembly for the automobile shock absorber according to claim 1, wherein a second annular chamfer surface (13) is provided on the outer peripheral wall of the lower end of the guide body (1), the second annular chamfer surface (13) is used for guiding in cooperation with the inner peripheral wall of the seal ring (2) to facilitate the embedding of the seal ring (2) on the inner top of the first annular step (11), and the second annular chamfer surface (13) is also used for guiding in cooperation with the inner peripheral wall of the working cylinder to facilitate the embedding of the upper end of the working cylinder with the guide body (1).

4. The guide assembly for a shock absorber of a vehicle according to claim 1, wherein a second annular step (14) is provided on an inner peripheral wall of the lower end of the guide body (1), a bushing (3) is embedded in the second annular step (14), an upper end surface of the bushing (3) abuts against an upper end surface of the second annular step (14), a lower end surface of the bushing (3) is flush with a lower end surface of the guide body (1), and a plurality of annular anti-slip grooves (31) are provided on an outer peripheral wall of the bushing (3) and distributed along an axial direction of the bushing (3).

5. The guide assembly for a shock absorber of a vehicle according to claim 4, wherein the outer peripheral wall of the upper end of the bush (3) is provided with a third annular chamfered surface (32) for guiding in cooperation with the side wall of the second annular step (14) to facilitate the insertion of the bush (3) into the second annular step (14).