CN219509948U

CN219509948U - Fastening matching structure of rubber joint and shock absorber go-between

Info

Publication number: CN219509948U
Application number: CN202223220303.3U
Authority: CN
Inventors: 刘子威; 石世锋; 唐家栋; 刘剑; 张育萌
Original assignee: Zhuzhou Times Equipment Technology Co Ltd
Current assignee: Zhuzhou Times Equipment Technology Co Ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-08-11
Anticipated expiration: 2032-12-02

Abstract

The utility model discloses a fastening matching structure of a rubber joint and a shock absorber connecting ring, which comprises a rubber joint outer sleeve and the shock absorber connecting ring, wherein the outer sleeve can be pressed in the connecting ring in an interference fit manner, a button hole is formed in the rubber joint outer sleeve, a button part is arranged in the button hole, the button part comprises a button outside the outer sleeve body and a pressure spring pressed in the button hole by the bottom of the button, and correspondingly, a key groove capable of accommodating the outside of the button is formed in the inner wall of the connecting ring. The advantages are that: when the outer sleeve and the connecting ring are loosened, the connecting ring can be limited at the set position of the outer sleeve, so that the connecting ring and the outer sleeve cannot generate axial displacement and circumferential rotation, and the rubber joint and the shock absorber are prevented from being deformed and damaged due to interference of normal torsion of the rubber joint; abnormal sound generated in the running process can be avoided; can be inserted at a precise angle; can be accurately pressed in place.

Description

Fastening matching structure of rubber joint and shock absorber go-between

Technical Field

The utility model relates to a fastening matching structure of a rubber joint and a shock absorber connecting ring, and belongs to the technical field of shock absorber application.

Background

The shock absorber connecting ring is generally pressed on the outer ring of the rubber joint and is in stressed connection with a shock absorbing object through the rubber joint.

The outer ring of the rubber joint is made of steel, is sleeved with the connecting ring of the shock absorber in an interference fit manner, and is pressed on a press-fitting machine. The angle is controlled by hand during press fitting, needs to be adjusted repeatedly and is inaccurate; the press-fitting depth is controlled by human eyes, and needs to be adjusted repeatedly in place.

The interference fit is not reliably fixed, the situation that the rubber joint and the connecting ring axially displace and circumferentially rotate after the shock absorber is used for a period of time is caused, and as a result, the normal torsion of the rubber joint is interfered, the rubber joint and the shock absorber are deformed to be damaged, and abnormal noise is generated in the operation process.

Through searching, a technical scheme for improving the problems is not found.

Disclosure of Invention

The utility model aims to solve the technical problems that: a structure for fitting a damper to a rubber joint is provided with reliability.

Aiming at the problems, the technical scheme provided by the utility model is as follows:

the utility model provides a tight fit structure of rubber joint and shock absorber go-between, includes the go-between of rubber joint's overcoat and shock absorber, and the overcoat can be with interference fit pressure equipment in the go-between, is equipped with the button hole on the overcoat of rubber joint, is equipped with button part in the button hole, and button part is including the outside button that is located the overcoat cover body and by the pressure spring of button bottom pressure in the button hole, correspondingly, is equipped with the keyway that can hold the button outside at the inner wall of go-between.

Further, the button component further comprises an annular retainer ring arranged on the inner wall of the hole opening of the button hole, the button base is provided with a limiting flange protruding in the circumferential direction, and the button base is limited in the button hole through the limiting flange by the annular retainer ring.

Further, the button part also comprises a hole sleeve sleeved on the inner wall of the button hole, an annular check ring is arranged on the inner wall of the outer end of the hole sleeve, the button base is provided with a circumferentially protruding limit flange, and the button base is limited in the button hole through the annular check ring by the limit flange.

Further, a locating groove is axially formed in the inner wall of the connecting ring, and the key groove is located in the locating groove.

Further, a rib which is axially arranged at the periphery of the outer sleeve and can be inserted into the positioning groove is arranged on the rib, and the diameter of the key is equal to or smaller than the width of the rib.

Further, one end of the positioning groove is blocked to form a limiting surface, and one end of the convex rib is cut off to form a stop surface matched with the limiting surface of the positioning groove.

Further, the inner wall of the connecting ring is provided with two locating grooves and two key grooves which are symmetrically arranged, and the periphery of the outer sleeve of the rubber joint is provided with two convex edges and two button parts which are symmetrically arranged.

The beneficial effects are that:

1. when the outer sleeve and the connecting ring are loosened, the connecting ring can be limited at the set position of the outer sleeve, so that the connecting ring and the outer sleeve cannot generate axial displacement and circumferential rotation, and the rubber joint and the shock absorber are prevented from being deformed and damaged due to interference of normal torsion of the rubber joint;

2. abnormal sound generated in the running process can be avoided;

3. can be inserted at a precise angle;

4. can be accurately pressed in place.

Drawings

FIG. 1 is a schematic perspective view of a fastening structure of a rubber joint and a damper connecting ring according to the first embodiment;

FIG. 2 is a schematic sectional view of a button member according to an embodiment one;

FIG. 3 is a partial schematic view of FIG. 1;

fig. 4 is a schematic sectional view showing a button member according to a second embodiment.

In the figure: 1. a jacket; 101. a key; 102. a pressure spring; 103. an annular retainer ring; 104. a limit flange; 405. a hole sleeve; 106. a rib; 107. a stop surface; 2. a connecting ring; 201. a key slot; 202. a positioning groove; 203. and a limiting surface.

Detailed Description

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

example 1

As shown in fig. 1-3, a fastening matching structure of a rubber joint and a shock absorber connecting ring comprises a rubber joint outer sleeve 1 and a shock absorber connecting ring 2, wherein the outer sleeve 1 can be pressed in the connecting ring 2 in an interference fit manner, a button hole is formed in the rubber joint outer sleeve 1, a button component is arranged in the button hole, the button component comprises a button 101 outside the outer sleeve 1 and a pressure spring 102 pressed in the button hole by the bottom of the button 101, and correspondingly, a key groove 201 capable of accommodating the outside of the button 101 is formed in the inner wall of the connecting ring 2. During press fitting, the key 101 is pressed into the button hole, the outer sleeve 1 of the rubber joint is pressed into the connecting ring 2, and when the outer sleeve 1 is pressed in place, the key 101 is aligned with the key groove 201, and the key 101 is ejected from the button hole and then enters the key groove 201. Like this, even make interference fit's overcoat 1 and go-between 2 take place not hard up because of long-term vibration atress, also can restrict go-between 2 in the position that overcoat 1 set for, avoid producing axial displacement and circumferential rotation between go-between 2 and the overcoat 1 to avoid rubber joint normal torsion to receive the interference and lead to rubber joint and shock absorber to take place to warp, damage, can also avoid running process to produce abnormal sound.

The button part also comprises an annular retainer ring 103 arranged on the inner wall of the hole opening of the button hole, the base part of the button 101 is provided with a circumferentially protruding limit flange 104, and the base part of the button 101 is limited in the button hole by the annular retainer ring 103 through the limit flange 104.

The inner wall of the connecting ring 2 is provided with a positioning groove 202 which is axially arranged, and the key groove 201 is positioned in the positioning groove 202. The periphery of the outer sleeve 1 is provided with a convex rib 106 which is axially arranged and can be inserted into the positioning groove 202, the key 101 is positioned on the convex rib 106, and the diameter of the key 101 is equal to or smaller than the width of the convex rib 106. In this way, during press fitting, the rib 106 is aligned to the positioning groove 202 for press fitting, so that the accuracy of the press fitting angle can be completely ensured, and no deviation can occur.

One end of the positioning groove 202 is blocked to form a limiting surface 203, and one end of the convex rib 106 is cut off to form a stop surface 107 matched with the limiting surface 203 of the positioning groove 202. Thus, when the stop surface 107 of the rib 106 contacts the stop surface 203 of the positioning groove 202 during press fitting, the rubber joint sleeve 1 is indicated to be pressed in place in the connecting ring 2, and the pressing process is automatically terminated.

Preferably, the inner wall of the connecting ring 2 is provided with two locating grooves 202 and two key grooves 201 which are symmetrically arranged, and the periphery of the outer sleeve 1 of the rubber joint is provided with two convex edges 106 and two button parts which are symmetrically arranged.

Example two

As shown in fig. 4, it is different from the first embodiment in that: the button part also comprises a hole sleeve 105 sleeved on the inner wall of the button hole, an annular retainer ring 103 is arranged on the inner wall of the outer end of the hole sleeve 105, a circumferentially protruding limit flange 104 is arranged on the base of the button 101, and the base of the button 101 is limited in the button hole through the limit flange 104 by the annular retainer ring 103.

The above embodiments are merely illustrative of the present utility model and several improvements or modifications, which can be made by others without departing from the principles of the present utility model, should be considered as falling within the scope of the present utility model.

Claims

1. The utility model provides a tight fit structure of rubber joint and shock absorber go-between, overcoat (1) and go-between (2) of shock absorber including the rubber joint, overcoat (1) can press-fit in go-between (2) with interference fit, its characterized in that: the rubber joint is characterized in that a button hole is formed in the outer sleeve (1) of the rubber joint, a button component is arranged in the button hole, the button component comprises a key (101) and a pressure spring (102), the outside of the key (101) is located outside the outer sleeve body of the outer sleeve (1), the bottom of the pressure spring is pressed in the button hole by the bottom of the key (101), and correspondingly, a key groove (201) capable of accommodating the outside of the key (101) is formed in the inner wall of the connecting ring (2).

2. The fastening and mating structure of a rubber joint and a damper connecting ring according to claim 1, wherein: the button part also comprises an annular retainer ring (103) arranged on the inner wall of the hole opening of the button hole, the base part of the button (101) is provided with a limit flange (104) protruding in the circumferential direction, and the base part of the button (101) is limited in the button hole through the annular retainer ring (103) by the limit flange (104).

3. The fastening and mating structure of a rubber joint and a damper connecting ring according to claim 1, wherein: the button part further comprises a hole sleeve (105) sleeved on the inner wall of the button hole, an annular check ring (103) is arranged on the inner wall of the outer end of the hole sleeve (105), a circumferentially protruding limit flange (104) is arranged on the base of the button (101), and the base of the button (101) is limited in the button hole through the limit flange (104) by the annular check ring (103).

4. The fastening and mating structure of a rubber joint and a damper connecting ring according to claim 1, wherein: the inner wall of the connecting ring (2) is provided with a locating groove (202) which is axially arranged, and the key groove (201) is positioned in the locating groove (202).

5. The fastening and mating structure of the rubber joint and the damper connecting ring according to claim 4, wherein: the periphery of the outer sleeve (1) is provided with a convex rib (106) which is axially arranged and can be inserted into the positioning groove (202), the key (101) is positioned on the convex rib (106), and the diameter of the key (101) is equal to or smaller than the width of the convex rib (106).

6. The fastening and mating structure of a rubber joint and a damper connecting ring according to claim 5, wherein: one end of the positioning groove (202) is blocked to form a limiting surface (203), and one end of the convex rib (106) is cut off to form a stop surface (107) matched with the limiting surface (203) of the positioning groove (202).

7. The fastening and mating structure of a rubber joint and a damper connecting ring according to claim 5, wherein: the inner wall of the connecting ring (2) is provided with two locating grooves (202) and two key grooves (201) which are symmetrically arranged, and the periphery of the outer sleeve (1) of the rubber joint is provided with two convex edges (106) and two button parts which are symmetrically arranged.