CN215444826U

CN215444826U - Leather cup independent hydraulic release bearing

Info

Publication number: CN215444826U
Application number: CN202122023710.4U
Authority: CN
Inventors: 马彬; 何军; 吴明建
Original assignee: Zhejiang Birui Auto Parts Co ltd
Current assignee: Zhejiang Birui Auto Parts Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-01-07
Anticipated expiration: 2031-08-25

Abstract

The utility model provides a leather cup independent hydraulic release bearing, which belongs to the technical field of release bearings and comprises a pump body, wherein a shaft sleeve is connected on the outer wall of the upper end of the pump body in a sliding manner, a check ring is arranged on the outer wall of the upper end of the pump body, a bearing is arranged on the upper surface of the shaft sleeve, an upper spring seat is fixedly connected on the outer wall of the upper end of the shaft sleeve, a lower spring seat is arranged on the outer wall of the lower end of the pump body, a connecting spring is arranged between the upper spring seat and the lower spring seat, a dust cover is arranged on the outer side of the connecting spring, a leather cup is arranged on the end surface of the lower end of the shaft sleeve and is connected on the pump body in a sliding manner, and the upper surface of the leather cup is parallel to and abutted against the lower surface of the shaft sleeve.

Description

Leather cup independent hydraulic release bearing

Technical Field

The utility model belongs to the technical field of release bearings, and particularly relates to a leather cup independent hydraulic release bearing.

Background

The release bearing is one of the important parts on the automobile, and can enable the gearbox to be smoothly shifted into a gear.

For example, a chinese utility model patent with the application number of cn201820763524.x discloses a corrosion-resistant release bearing, which belongs to the technical field of automobile parts. The bearing solves the technical problems that the material of the existing corrosion-resistant release bearing is not subjected to corrosion protection treatment, and the material is easily damaged in the use process. This corrosion-resistant type release bearing, which comprises a pump body, the cylinder liner, oil pocket and piston, the piston bottom is fixed with the sealing washer, the sealing washer is the sealed end for the stiff end other end with the fixed one end of piston, be equipped with the intermediate part between stiff end and the sealed end, the inside and outside both sides of intermediate part have the deformation space with the inner wall of the pump body and the outer wall of cylinder liner respectively, the bottom of sealed end is equipped with sealed convex part, two sealed convex parts are close to the both sides of sealing washer respectively, two sealed convex parts are crooked and can support respectively to both sides and lean on the oil pocket inner wall, form the pressurized groove between two sealed convex parts.

In the production process of the release bearing, an operator needs to install the leather cup through a tool, and the operation of the operator is troublesome.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides a leather cup independent hydraulic release bearing which has the characteristics that a leather cup can be directly arranged in a pump body, a tool clamp is not needed, and an operator can conveniently install the leather cup.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a leather cup stand alone type hydraulic separation bearing, includes the pump body sliding connection has an axle sleeve on the outer wall of pump body upper end be provided with a retaining ring on the outer wall of pump body upper end, be equipped with a bearing on the axle sleeve upper surface fixedly connected with spring upper seat on the outer wall of axle sleeve upper end be provided with spring lower seat on the outer wall of pump body lower extreme be equipped with a connecting spring between spring upper seat and the spring lower seat the connecting spring outside is equipped with the dust cover install a leather cup on the axle sleeve lower extreme terminal surface, leather cup sliding connection is on the pump body, leather cup upper surface and axle sleeve lower surface parallel and butt.

Furthermore, the section of the leather cup is rectangular, an annular groove is formed in the lower surface of the leather cup, and an annular bulge is formed at the lower ends of the inner wall and the outer wall of the leather cup in an integrated mode.

Further, the pump body is hollow cylinder structure, and the vertical cross-section of the pump body is "the line of the crack" font structure, the pump body) both sides are provided with the screw hole.

Furthermore, a dust cover framework is arranged between the lower spring seat and the dust cover, and the dust cover is connected with the dust cover framework in a clamping mode.

Further, the leather cup is made of ethylene propylene diene monomer materials.

Furthermore, the dust cover is made of nitrile rubber.

Further, the retainer ring is made of spring steel.

Further, the shaft sleeve, the spring seat and the pump body are all made of polyamide 66.

Compared with the prior art, the utility model has the following advantages:

1. according to the utility model, the leather cup is connected to the pump body in a sliding manner, the upper surface of the leather cup is parallel to the lower surface of the shaft sleeve, and through the arrangement, the leather cup can be directly installed in the pump body without a tool clamp, so that an operator can conveniently install the leather cup; the leather cup is not constrained in the product cylinder diameter, and can freely deform according to the cylinder diameter to compensate the interference magnitude of the product; the leather cup can greatly reduce the requirements of the product on the cylinder diameter of the pump body, reduce the processing difficulty of the pump body and reduce the production cost.

2. According to the utility model, the ring groove is formed in the lower surface of the leather cup, the annular protrusions are arranged at the lower ends of the inner wall and the outer wall of the leather cup, the structure is simple, the operation is convenient, and the section of the leather cup is symmetrical relative to the center of the section. The leather cup is not provided with a buckle, the supporting surface is a complete plane, the leather cup is simple in structure, convenient to mold and low in manufacturing cost.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural view of the cup of the present invention.

In the figure, 1, a pump body; 2. a shaft sleeve; 3. a retainer ring; 4. a bearing; 5. a spring upper seat; 6. a spring lower seat; 7. a connecting spring; 8. a dust cover; 9. a leather cup; 10. a ring groove; 11. an annular projection; 12. dust cover skeleton.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in figure 1, a leather cup independent hydraulic release bearing, including the pump body 1, the pump body 1 is hollow cylinder structure, and the vertical cross-section of the pump body 1 is the structure of "crease" font, and the both sides of the pump body 1 are provided with the screw hole.

As shown in fig. 1, a shaft sleeve 2 is slidably connected to an outer wall of an upper end of a pump body 1, a retainer ring 3 is arranged on the outer wall of the upper end of the pump body 1, the retainer ring 3 is made of spring steel, a bearing 4 is arranged on the upper surface of the shaft sleeve 2, an upper spring seat 5 is fixedly connected to the outer wall of the upper end of the shaft sleeve 2, a lower spring seat 6 is arranged on the outer wall of the lower end of the pump body 1, a connecting spring 7 is arranged between the upper spring seat 5 and the lower spring seat 6, a dust cover 8 is arranged outside the connecting spring 7, the dust cover 8 covers the connecting spring 7, the dust cover 8 is made of nitrile rubber, the shaft sleeve 2, the upper spring seat 5, the lower spring seat 6 and the pump body 1 are all made of polyamide 66 material, a leather cup 9 is arranged on an end face of the lower end of the shaft sleeve 2, the leather cup 9 is slidably connected to the pump body 1, and the leather cup 9 is made of ethylene propylene diene monomer material.

As shown in fig. 2, the upper surface of the leather cup 9 is horizontally arranged and is parallel to the lower surface of the shaft sleeve 2, the section of the leather cup 9 is rectangular, an annular groove 10 is formed in the lower surface of the leather cup 9, the section of the annular groove 10 is triangular, an annular protrusion 11 is arranged at the lower end of the inner wall and the outer wall of the leather cup 9, and the annular protrusion 11 and the leather cup 9 are integrally formed.

As shown in fig. 1, in order to facilitate the installation and removal of the dust cover 8 by an operator, a dust cover frame 12 is provided between the lower spring seat 6 and the dust cover 8, and between the upper spring seat 5 and the dust cover 8, and the dust cover 8 and the dust cover frame 12 are clamped.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although 1, the pump body is used more herein; 2. a shaft sleeve; 3. a retainer ring; 4. a bearing; 5. a spring upper seat; 6. a spring lower seat; 7. a connecting spring; 8. a dust cover; 9. a leather cup; 10. a ring groove; 11. an annular projection; 12. dust guard cage, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. A leather cup independent hydraulic release bearing comprises a pump body (1) and is characterized in that, a shaft sleeve (2) is connected on the outer wall of the upper end of the pump body (1) in a sliding way, a check ring (3) is arranged on the outer wall of the upper end of the pump body (1), a bearing (4) is arranged on the upper surface of the shaft sleeve (2), an upper spring seat (5) is fixedly connected on the outer wall of the upper end of the shaft sleeve (2), a lower spring seat (6) is arranged on the outer wall of the lower end of the pump body (1), a connecting spring (7) is arranged between the upper spring seat (5) and the lower spring seat (6), a dust cover (8) is arranged on the outer side of the connecting spring (7), a leather cup (9) is arranged on the end surface of the lower end of the shaft sleeve (2), the leather cup (9) is connected to the pump body (1) in a sliding way, the upper surface of the leather cup (9) is parallel to and abutted against the lower surface of the shaft sleeve (2).

2. The leather cup freestanding hydraulic release bearing of claim 1, wherein the cross section of the leather cup (9) is rectangular, a ring groove (10) is formed in the lower surface of the leather cup (9), and an annular protrusion (11) is integrally formed at the lower ends of the inner wall and the outer wall of the leather cup (9).

3. A leather cup independent hydraulic release bearing according to claim 1, wherein the pump body (1) is of a hollow cylindrical structure, the vertical section of the pump body (1) is of a split-line structure, and threaded holes are formed in two sides of the pump body (1).

4. A leather cup independent hydraulic release bearing according to claim 1, characterized in that a dust cover framework (12) is arranged between the lower spring seat (6) and the dust cover (8), and the dust cover (8) is connected with the dust cover framework (12) in a clamping manner.

5. A cup stand alone hydraulic release bearing according to claim 1, wherein the cup (9) is made of ethylene propylene diene monomer material.

6. A cup freestanding hydraulic release bearing according to claim 1, wherein the dust shield (8) is made of nitrile rubber.

7. A cup freestanding hydraulic release bearing according to claim 1, wherein the retainer ring (3) is made of spring steel.

8. A cup independent hydraulic release bearing according to claim 1, characterized in that the sleeve (2), the upper spring seat (5), the lower spring seat (6) and the pump body (1) are made of polyamide 66.