CN218953899U

CN218953899U - Preload adjusting structure of upright shock absorber

Info

Publication number: CN218953899U
Application number: CN202223586690.2U
Authority: CN
Inventors: 陈世明; 石光辉
Original assignee: Chongqing Yu'an Intelligent Suspension Co ltd
Current assignee: Chongqing Yu'an Intelligent Suspension Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-02
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a preload adjusting structure of a vertical shock absorber, which comprises a liner tube arranged in a fork tube, a sealing end cover arranged at the end part of the fork tube and an adjusting piece, wherein the adjusting piece axially penetrates through the sealing end cover and is propped against the right end of the liner tube, the left end of the liner tube is matched with a shock absorption spring to be arranged, the adjusting piece can axially adjust the installation position of the liner tube and compress and adjust the shock absorption spring.

Description

Preload adjusting structure of upright shock absorber

Technical Field

The utility model relates to the field of motorcycles, in particular to a preload adjusting structure of a vertical shock absorber.

Background

In recent years, with the continuous rise of the domestic and foreign motorcycle industries, more and more people like motorcycles and like playing motorcycles; people also tend to be younger and personalized, so the demands for diversification and personalization of motorcycle shock absorber performances are also higher and higher.

The traditional motorcycle shock absorber, its inside damping spring length can't be adjusted, because different operators are different to the soft or hard demand of bumper shock absorber, consequently traditional structure can't satisfy the demand, and current some bumper shock absorbers can adjust inside damping spring, but overall structure is more complicated, considers factors such as manufacturing cost and installation, also can not satisfy the user demand.

For this reason, a preload adjustment configuration of the upright shock absorber is required to solve the above-described problems.

Disclosure of Invention

In view of this, this technical scheme's preload adjustment structure assembles end cover body, regulating part, spacing rand as an organic wholely, through rotatory regulating part, can promote damping spring and compress or extend along the axial, can change the holding power value of spring, adjusts the hardness of the support of whole bumper shock absorber, satisfies the demand of different crowds to motorcycle bumper shock absorber softness and hardness performance and travelling comfort, and overall structure is simple, adjusts conveniently, does benefit to production assembly.

The utility model provides a preload adjustment structure of upright bumper shock absorber, includes the bushing pipe of installing in the fork tube, installs in the sealed end cover and the regulating part of fork tube tip, the regulating part is worn to locate the sealed end cover and is held in the bushing pipe right-hand member in the axial, bushing pipe left end cooperation damping spring installs, but regulating part axial adjustment bushing pipe mounted position and compress and adjust damping spring.

Further, the regulating part comprises a regulating part body with a cross section in the shape of 'soil', a positioning disc formed along the radial direction of the regulating part body and a regulating disc formed along the radial direction of the regulating part body, wherein the positioning disc is matched with the sealing end cover for installation, and the regulating disc is attached to the end part of the liner tube.

Further, the positioning disk is formed on the right side of the adjusting disk, and a threaded structure is formed on the outer circumference of the positioning disk in a machining mode.

Further, an adjusting slot for adjusting the installation position is formed in the end portion of the adjusting piece body.

Further, an adjusting and installing hole for installing an adjusting piece is formed in the right end of the sealing end cover, and the sealing end cover is fixedly installed in the fork tube.

Further, an internal thread structure is formed in the seal end cover in a machining mode, and a limiting check ring used for axially limiting the adjusting piece is installed in the seal end cover.

Further, the liner tube also comprises a flat washer which is arranged at the left end of the liner tube and is matched with the damping spring for use.

The beneficial effects of the utility model are as follows:

according to the technical scheme, the preload adjusting structure is used for assembling the end cover body, the adjusting piece and the limit clamping ring into a whole, the damping spring can be pushed to be compressed or stretched along the axial direction through the rotary adjusting piece, the supporting force value of the spring can be changed, the hardness of the support of the whole damper is adjusted, the requirements of different crowds on the hardness and the comfort of the motorcycle damper are met, the integral structure is simple, the adjustment is convenient, and the production and the assembly are facilitated.

Drawings

The utility model is further described below with reference to the accompanying drawings and examples:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a seal end cap according to the present utility model;

fig. 3 is a schematic view of the structure of the adjusting member.

Detailed Description

FIG. 1 is a schematic diagram of the overall structure of the present utility model; FIG. 2 is a schematic view of a seal end cap according to the present utility model; FIG. 3 is a schematic view of the structure of the adjusting member; as shown in the figure, the preload adjusting structure of the upright shock absorber comprises a liner tube 6 arranged in a fork tube 3, a sealing end cover 9 arranged at the end part of the fork tube 3 and an adjusting piece 7, wherein the adjusting piece 7 axially penetrates through the sealing end cover 9 and is propped against the right end (left-right direction is horizontal direction in fig. 1) of the liner tube 6, the left end of the liner tube 6 is matched with a shock absorption spring 4 to be arranged, and the adjusting piece 7 can axially adjust the mounting position of the liner tube and can compress and adjust the shock absorption spring 4; the inner piston tube 2 is matched with the outer tube 1 for connection and installation, the fork tube 3 is arranged between the inner piston tube 2 and the outer tube 1, the left end part of the fork tube is bent and then is arranged on a connecting piece of the inner piston tube 2, the inner piston tube 2 synchronously moves rightwards to compress a damping spring 4 in the fork tube when the outer tube 1 moves rightwards, the damping spring returns to an initial position (the prior art is not repeated) through a return spring in the figure 1 after the compression is finished, an end cover body, an adjusting piece and a limiting collar are assembled into a whole, the damping spring can be pushed to be compressed or stretched along the axial direction through the rotating adjusting piece, the supporting force value of the spring can be changed, the supporting hardness of the whole shock absorber is adjusted, the requirements of different groups on the softness and the hardness of the shock absorber of a motorcycle are met, the whole structure is simple, the adjustment is convenient, and the production and the assembly is facilitated.

In this embodiment, the adjusting member 7 includes an adjusting member body with a cross section in a shape of "soil", a positioning disc 72 formed along a radial direction of the adjusting member body, and an adjusting disc 73 formed along a radial direction of the adjusting member body, where the positioning disc 72 is mounted in cooperation with the seal end cap 9, and the adjusting disc 73 is attached to an end of the liner tube. The cross section of the adjusting piece 7 along the axial direction is similar to a 'soil' structure, the right end of the adjusting piece 7 is penetrated in the sealing end cover 9, and the positioning disc 72 is abutted against the right end face of the damping spring 4, so that the damping spring 4 is supported and adjusted.

In this embodiment, the positioning plate 72 is formed on the right side (i.e., the upper end in fig. 3) of the adjusting plate 73, and a thread structure is formed on the outer circumference of the positioning plate 72. The outer circumference of the positioning disk 72 is processed to form an external thread structure, and is matched with the sealing end cover 9 for installation.

In this embodiment, the end of the adjusting member body is provided with an adjusting slot 71 for adjusting the mounting position. After the body of the adjusting piece body 7 is installed, the adjusting piece 7 can be rotated through the adjusting groove 71, so that the adjusting piece 7 moves along the axial direction of the fork tube 3 to adjust the damping spring 4.

In this embodiment, an adjusting installation hole for installing the adjusting piece 7 is formed at the right end of the sealing end cover 9, and the sealing end cover 9 is fixedly installed in the fork tube 3. The outer surface of the sealing end cover 9 is processed to form an external thread 92, and the sealing end cover is matched with the fork tube 3 for fixedly connecting and mounting.

In this embodiment, an internal thread structure 93 is formed in the seal end cover 9, and a limiting retainer ring 8 for axially limiting the adjusting member is installed in the seal end cover. The limiting retainer ring 8 is used for limiting the rotation distance of the adjusting piece 7, so that the user can use the adjusting distance under the condition of safety, the user requirement is met, and the internal thread structure 93 is matched with the positioning disc 72 for connection.

In this embodiment, still include plain washer 5, plain washer 5 installs in bushing pipe 6 left end and cooperates damping spring 4 to use, and plain washer 5 sets up in bushing pipe 6 left end, ensures that the spring shock attenuation is more steady.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. A preload adjustment configuration for a positive upright shock absorber, characterized by: the adjustable liner tube comprises a liner tube arranged in a fork tube, a sealing end cover arranged at the end part of the fork tube and an adjusting piece, wherein the adjusting piece axially penetrates through the sealing end cover and abuts against the right end of the liner tube, the left end of the liner tube is matched with a damping spring for installation, and the adjusting piece can axially adjust the installation position of the liner tube and compress and adjust the damping spring.

2. The preload adjustment configuration for an upright shock absorber as set forth in claim 1 wherein: the regulating part comprises a regulating part body with a cross section in a shape of 'soil', a positioning disc formed along the radial direction of the regulating part body and a regulating disc formed along the radial direction of the regulating part body, wherein the positioning disc is matched with the sealing end cover for installation, and the regulating disc is attached to the end part of the liner tube.

3. The preload adjustment configuration for an upright shock absorber as set forth in claim 2 wherein: the locating plate is formed on the right side of the adjusting plate, and a threaded structure is formed on the outer circumference of the locating plate in a machining mode.

4. A preload adjustment configuration for an upright shock absorber as set forth in claim 3 wherein: the end part of the adjusting piece body is provided with an adjusting slot for adjusting the installation position.

5. The preload adjustment configuration for an upright shock absorber as set forth in claim 1 wherein: the right end of the sealing end cover is provided with an adjusting installation hole for installing an adjusting piece, and the sealing end cover is fixedly installed in the fork tube.

6. The preload adjustment configuration for an upright shock absorber as set forth in claim 5 wherein: the inner processing of the sealing end cover is provided with an internal thread structure, and the sealing end cover is internally provided with a limiting check ring for axially limiting the adjusting piece.

7. The preload adjustment configuration for an upright shock absorber as set forth in claim 1 wherein: the liner tube is characterized by further comprising a flat gasket, wherein the flat gasket is arranged at the left end of the liner tube and is matched with the damping spring for use.