CN220726910U

CN220726910U - Clutch slave cylinder

Info

Publication number: CN220726910U
Application number: CN202322529251.6U
Authority: CN
Inventors: 陈武
Original assignee: Ruian Ruidi Brake Technology Co ltd
Current assignee: Ruian Ruidi Brake Technology Co ltd
Priority date: 2023-09-18
Filing date: 2023-09-18
Publication date: 2024-04-05
Anticipated expiration: 2033-09-18

Abstract

The utility model relates to the technical field of automobile parts and discloses a clutch slave cylinder, which comprises an upper shell, a lower shell and a dust cover, wherein the upper shell is a single-side closed cylinder, the bottom of the upper shell is fixedly connected with a circular ring, the top of the lower shell is provided with a clamping groove, the circular ring is cooperatively arranged in the clamping groove through a first sealing component, the bottom of the lower shell is fixedly provided with the dust cover, the bottom of the dust cover is fixedly provided with a release bearing, and the inner wall of the release bearing is cooperatively provided with a first limiting ring through a second sealing component. According to the utility model, the tightness of the clutch slave cylinder is ensured by adding the matched rubber pad between the upper shell and the lower shell, and the connecting mode of the clutch slave cylinder is simplified by the connecting component, so that the effects of convenient disassembly and maintenance are achieved, and the first limiting ring and the release bearing are firmly sealed by arranging the second sealing component, so that the effect of avoiding air leakage of the clutch slave cylinder is achieved.

Description

Clutch slave cylinder

Technical Field

The utility model relates to the technical field of automobile parts, in particular to a clutch slave cylinder.

Background

The vehicle runs for a long time, a series of fault problems can not be avoided, the accessory replacement is common, and the clutch is an important part for enabling the vehicle to start stably and preventing overload of the transmission system. The clutch master cylinder and the slave cylinder are equivalent to two hydraulic cylinders, the master cylinder is provided with an oil inlet pipe and an oil outlet pipe, the slave cylinder is provided with only one pipe, and the working principle of the clutch slave pump is as follows: when the clutch is connected, the clutch slave cylinder and the release bearing assembly are arranged on the transmission shell, and then the transmission assembly is arranged on the engine body, at the moment, the clutch is in a connected state, the slave cylinder piston and the release bearing move forwards under the action of the spring, so that the release bearing is close to the release lever, no gap exists between the release bearing and the release lever, the release bearing can synchronously rotate along with the release lever in operation, and the spring force is far smaller than the spring force of the diaphragm spring, so that the coil spring only eliminates the gap between the release bearing and the release lever, and the clutch is not in a half-release state; when the clutch is disengaged: the driver presses the clutch pedal, the pressure of brake fluid is transmitted to the slave cylinder by the master cylinder, the slave cylinder piston is pushed, and then the release bearing is driven to move forward, so that the clutch is released.

The application number is CN201220604252.1, a clutch slave cylinder is disclosed, the clutch slave cylinder comprises a pump body, a spring and a push rod in the pump body, one end of the spring is fixedly connected to the inner side wall of the pump body, the other end of the spring extends to the opening of the other end of the pump body and is fixedly connected with a clamping groove, the other end of the clamping groove is provided with a clamping ring, the clamping ring is connected with a push rod, and the other end of the push rod is a ball head and is embedded in a push rod seat; with this result, a clutch slave cylinder which occupies a small space for installation and is less prone to wear can be provided.

The arrangement saves space and avoids abrasion of the clutch release pump, but when the clutch release pump works, the hydraulic oil pipe in the pump is required to carry out pressure transmission, namely, the release pump is required to be kept to have good tightness, but the existing clutch release pump is connected with more air tightness on the premise of ensuring good air tightness, so that the subsequent disassembly and maintenance of the clutch release pump are time-consuming and labor-consuming, and the maintenance cost is increased.

Disclosure of Invention

The present utility model is directed to a clutch slave cylinder to solve the above-mentioned problems.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a clutch slave cylinder, which comprises an upper shell, a lower shell and a dust cover, wherein the upper shell is a single-side closed cylinder, the bottom of the upper shell is fixedly connected with a circular ring, the top of the lower shell is provided with a clamping groove, the circular ring is arranged in the clamping groove in a matched manner through a first sealing component, the bottom of the lower shell is fixedly provided with the dust cover, the bottom of the dust cover is fixedly provided with a release bearing, the inner wall of the release bearing is provided with a first limiting ring in a matched manner through a second sealing component, the outer wall of the lower shell is fixedly connected with mounting seats, and the mounting seats are at least two and uniformly distributed.

Further, the first sealing assembly comprises a rubber pad and a connecting assembly, wherein the rubber pad is arranged between the upper shell and the lower shell, and the connecting assembly is used for fixedly installing the upper shell and the lower shell.

Further, the limiting grooves are formed in the outer wall of the lower shell, the limiting grooves are fixed to be four and evenly distributed, and the limiting grooves are communicated with the clamping grooves.

Further, coupling assembling includes packing ring and second spacing ring, the top at the ring is installed to the packing ring, the top at the packing ring is installed to the second spacing ring, the outer wall fixedly connected with gag lever post of second spacing ring, the gag lever post is fixed four, the gag lever post cooperation is installed inside the spacing groove, the screw thread has been seted up to one side that the second spacing ring was kept away from to the gag lever post, the gag lever post has the nut through screw thread fixed mounting.

Further, the second seal assembly comprises a clamping groove, a clamping block, a spring and a groove, wherein the clamping groove is formed in the inner wall of the release bearing, the clamping groove is at least two and uniformly distributed, the groove is formed in the outer wall of the first limiting ring, the groove is at least two and uniformly distributed, one end of the clamping block is embedded into the groove, the other end of the clamping block extends out of the groove and is clamped with the clamping groove, one end of the spring is fixedly connected with the clamping block, and the other end of the spring is fixedly connected with the inside of the groove.

Further, the spout has been seted up to the both sides of recess, the both sides fixedly connected with slider of fixture block, slider sliding connection is inside the spout, the port department fixedly connected with spacing piece of spout is convenient for the fixture block to slide in the recess through setting up spout and slider, sets up the movable region that spacing piece can spacing fixture block.

The utility model has the following beneficial effects:

(1) According to the utility model, the tightness of the clutch slave cylinder is ensured by adding the matched rubber pad between the upper shell and the lower shell, and the connection mode of the clutch slave cylinder is simplified by the connection assembly, so that the effects of convenience in disassembly, assembly and maintenance are achieved.

(2) According to the utility model, the second sealing assembly is arranged, so that the first limiting ring and the release bearing are firmly sealed, and the effect of avoiding air leakage of the clutch cylinder is achieved.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is a cross-sectional view of the overall structure of the present utility model;

FIG. 3 is an enlarged schematic view of the structure A in FIG. 2 according to the present utility model;

FIG. 4 is a schematic illustration showing the first seal assembly and lower housing of the present utility model;

FIG. 5 is a cross-sectional view of a release bearing and a first stop collar of the present utility model;

FIG. 6 is an enlarged schematic view of the structure of FIG. 5B according to the present utility model;

in the drawings, the list of components represented by the various numbers is as follows:

in the figure: 1. an upper housing; 2. a lower housing; 3. a dust cover; 4. a circular ring; 5. a clamping groove; 6. a first seal assembly; 7. a second seal assembly; 8. a first stop collar; 9. a mounting base; 10. a rubber pad; 11. a connection assembly; 12. a limit groove; 13. a gasket; 14. a second limiting ring; 15. a limit rod; 16. a nut; 17. a clamping groove; 18. a clamping block; 19. a spring; 20. a groove; 21. a chute; 22. a slide block; 23. and a limiting piece.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model is a clutch slave cylinder, which includes an upper housing 1, a lower housing 2 and a dust cover 3, wherein the upper housing 1 is a single-side closed cylinder, a ring 4 is fixedly connected to the bottom of the upper housing 1, a clamping groove 5 is provided at the top of the lower housing 2, the ring 4 is mounted inside the clamping groove 5 through a first sealing assembly 6 in a matching manner, the dust cover 3 is fixedly mounted at the bottom of the lower housing 2, a release bearing is fixedly mounted at the bottom of the dust cover 3, a first limiting ring 8 is mounted on the inner wall of the release bearing through a second sealing assembly 7 in a matching manner, a mounting seat 9 is fixedly connected to the outer wall of the lower housing 2, and the mounting seats 9 are at least two and uniformly distributed.

The first sealing assembly 6 includes a rubber gasket 10 and a connection assembly 11, the rubber gasket 10 is installed between the upper case 1 and the lower case 2, and the connection assembly 11 fixedly installs the upper case 1 and the lower case 2.

The outer wall of the lower shell 2 is provided with limit grooves 12, the limit grooves 12 are fixed into four and uniformly distributed, and the limit grooves 12 are communicated with the clamping grooves 5.

The connecting assembly 11 comprises a gasket 13 and a second limiting ring 14, the gasket 13 is arranged at the top of the circular ring 4, the second limiting ring 14 is arranged at the top of the gasket 13, the limiting rods 15 are fixedly connected with the outer wall of the second limiting ring 14, the limiting rods 15 are fixed into four, the limiting rods 15 are arranged inside the limiting grooves 12 in a matched mode, threads are formed in one side, far away from the second limiting ring 14, of the limiting rods 15, and nuts 16 are fixedly arranged on the limiting rods 15 through the threads.

The second seal assembly 7 comprises a clamping groove 17, a clamping block 18, a spring 19 and a groove 20, wherein the clamping groove 17 is formed in the inner wall of the release bearing, the clamping groove 17 is at least two and uniformly distributed, the groove 20 is formed in the outer wall of the first limiting ring 8, the groove 20 is at least two and uniformly distributed, one end of the clamping block 18 is embedded into the groove 20, the other end of the clamping block 18 extends out of the groove 20 and is clamped with the clamping groove 17, one end of the spring 19 is fixedly connected with the clamping block 18, and the other end of the spring 19 is fixedly connected inside the groove 20.

The both sides of recess 20 have been seted up spout 21, and the both sides fixedly connected with slider 22 of fixture block 18, slider 22 sliding connection is inside spout 21, and the port department fixedly connected with spacing piece 23 of spout 21 is convenient for the fixture block 18 to slide in recess 20 through setting up spout 21 and slider 22, sets up the movable region that spacing piece 23 can spacing fixture block 18.

When the nut dismounting device is used, the first limiting ring 8 is firstly picked up, the first limiting ring 8 is placed on the inner wall of the separating shaft, the first limiting ring 8 is rotated, the pressure of the inner wall of the separating bearing is received in the rotating process of the first limiting ring 8, the separating bearing compresses the clamping block 18, the clamping block 18 compresses the spring 19, when the clamping block 18 on the first limiting ring 8 rotates to the clamping groove 17, the compressed spring 19 is reset, the spring 19 pushes the clamping block 18 to be clamped in the clamping groove 17, the first limiting ring 8 and the separating bearing are firmly sealed, the rubber gasket 10 is firstly placed in the clamping groove 5 at the top of the lower shell 2 in the process of installing the upper shell 1 and the lower shell 2, the bottom of the upper shell 1 is then placed in the clamping groove 5, the circular ring 4 is abutted on the rubber gasket 10, the gasket 13 and the second limiting ring 14 are respectively sleeved on the outer wall of the upper shell 1, the limiting rod 15 on the outer wall of the second limiting ring 14 is placed from the notch of the limiting groove 12 and gradually rotates along the extending direction of the limiting groove 12, the upper shell 1 and the lower shell 2 is tightly attached to the lower shell 2, the clamping rod is tightly moved to the clamping groove 2, and the nut dismounting device cannot be dismounted or the nut dismounting device can be fixed when the nut dismounting device is required to be installed or fixed, and the nut dismounting device is required to be fixed.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The utility model provides a clutch slave cylinder, includes casing (1), lower casing (2) and dust cover (3), its characterized in that: the upper shell (1) is a single-side closed cylinder, and the bottom of the upper shell (1) is fixedly connected with a circular ring (4);

the top of the lower shell (2) is provided with a clamping groove (5), and the circular ring (4) is installed inside the clamping groove (5) in a matched manner through a first sealing assembly (6);

a dust cover (3) is fixedly arranged at the bottom of the lower shell (2), and a release bearing is fixedly arranged at the bottom of the dust cover (3);

the inner wall of the release bearing is provided with a first limiting ring (8) in a matched manner through a second sealing component (7);

the outer wall of the lower shell (2) is fixedly connected with mounting seats (9), and the number of the mounting seats (9) is at least two and is uniformly distributed.

2. A clutch slave cylinder according to claim 1, wherein: the first sealing assembly (6) comprises a rubber pad (10) and a connecting assembly (11);

the rubber pad (10) is arranged between the upper shell (1) and the lower shell (2), and the upper shell (1) and the lower shell (2) are fixedly arranged by the connecting assembly (11).

3. A clutch slave cylinder according to claim 1, wherein: limiting grooves (12) are formed in the outer wall of the lower shell (2), the four limiting grooves (12) are fixed and uniformly distributed, and the limiting grooves (12) are communicated with the clamping grooves (5).

4. A clutch slave cylinder according to claim 2, wherein: the connecting assembly (11) comprises a gasket (13) and a second limiting ring (14);

the gasket (13) is arranged at the top of the circular ring (4), and the second limiting ring (14) is arranged at the top of the gasket (13);

the outer wall of the second limiting ring (14) is fixedly connected with limiting rods (15), the number of the limiting rods (15) is four, and the limiting rods (15) are installed inside the limiting grooves (12) in a matched mode;

the side, far away from the second limiting ring (14), of the limiting rod (15) is provided with threads, and the limiting rod (15) is fixedly provided with a nut (16) through the threads.

5. A clutch slave cylinder according to claim 1, wherein: the second sealing component (7) comprises a clamping groove (17), a clamping block (18), a spring (19) and a groove (20);

the inner wall of the release bearing is provided with clamping grooves (17), and at least two clamping grooves (17) are uniformly distributed;

the outer wall of the first limiting ring (8) is provided with grooves (20), and at least two grooves (20) are uniformly distributed;

one end of the clamping block (18) is embedded into the groove (20), and the other end of the clamping block (18) extends out of the groove (20) and is clamped with the clamping groove (17);

one end of the spring (19) is fixedly connected with a clamping block (18), and the other end of the spring (19) is fixedly connected inside the groove (20).

6. A clutch slave cylinder according to claim 5, wherein: the two sides of the groove (20) are provided with sliding grooves (21), two sides of the clamping block (18) are fixedly connected with sliding blocks (22), the sliding blocks (22) are slidably connected inside the sliding grooves (21), and the port of the sliding grooves (21) is fixedly connected with limiting sheets (23).