CN219549448U

CN219549448U - Stroke-adjustable brake wheel cylinder

Info

Publication number: CN219549448U
Application number: CN202223217124.4U
Authority: CN
Inventors: 董伟光
Original assignee: Yuhuan Weiyu Auto Parts Co ltd
Current assignee: Yuhuan Weiyu Auto Parts Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-08-18
Anticipated expiration: 2032-12-02

Abstract

The utility model provides a stroke-adjustable brake cylinder, and belongs to the technical field of brake cylinders. The brake cylinder with the adjustable stroke comprises a hollow cylinder body, wherein end covers are sleeved on two sides of the cylinder body, a sealing assembly is arranged in the cylinder body in a sliding mode, and an adjusting assembly is arranged at the center of the cylinder body; the adjusting component comprises an adjusting block fixed on the inner wall of the cylinder body, two filling slide blocks are slidably arranged in the adjusting block, the central lines of the two filling slide blocks are parallel to the central line of the cylinder body, and an adjusting worm is rotatably arranged in the adjusting block.

Description

Stroke-adjustable brake wheel cylinder

Technical Field

The utility model belongs to the field of brake cylinders, and particularly relates to a brake cylinder with an adjustable stroke.

Background

The brake wheel cylinder is positioned on the brake generally, and the main function of the brake wheel cylinder is to convert the pressure of brake oil into thrust to push a brake pad to realize braking, and the pushing distance of the brake wheel cylinder is fixed because the quantity of hydraulic oil is fixed during braking, but the braking performance of the brake pad is greatly reduced when the brake pad is worn seriously during long-time use, so that the risk of accidents is greatly increased.

Disclosure of Invention

The utility model provides a stroke-adjustable brake wheel cylinder aiming at the defects of the prior art.

In order to achieve the above purpose, the utility model provides a stroke-adjustable brake cylinder, which comprises a hollow cylinder body, wherein end covers are sleeved on two sides of the cylinder body, a sealing assembly is arranged in the cylinder body in a sliding manner, and an adjusting assembly is arranged at the center of the cylinder body;

the adjusting assembly comprises an adjusting block fixed on the inner wall of the cylinder body, two filling slide blocks are arranged in the adjusting block in a sliding mode, the central lines of the filling slide blocks are parallel to the central line of the cylinder body, an adjusting worm is further rotationally arranged in the adjusting block and perpendicular to the central line of the cylinder body, two gears are further arranged in the adjusting block, a screw rod is fixedly connected to the central position of each gear, the screw rod extends into the filling slide blocks, the screw rod is in threaded connection with the filling slide blocks, and the gears are in threaded connection with the adjusting worm.

Optionally, the seal assembly includes the sealing block, the sealing block is close to one side terminal surface of end cover has linked firmly the connecting rod, the connecting rod runs through the end cover extends to the external world, the connecting rod with end cover sliding connection.

Optionally, an oil port is formed in the outer peripheral side of the cylinder body, the oil port is communicated with the cylinder body, and the oil port is located in the middle of the cylinder body.

Optionally, the connection part of the adjusting block and the cylinder body is positioned on the opposite side of the oil port.

Optionally, an adjusting cavity is formed in the adjusting block, the adjusting cavity extends along the direction of the central line of the oil port to be communicated with the outside, and the adjusting worm is located in the adjusting cavity.

Optionally, two sliding grooves are further formed in the adjusting block, the two sliding grooves are symmetrically arranged with the adjusting cavity as a center, and the filling sliding block is located in the sliding groove and is in sliding connection with the sliding groove.

Optionally, the bottom of the adjusting worm is provided with threads, and the top of the adjusting worm is provided with an inner hexagonal groove.

In summary, compared with the prior art, the utility model has the following beneficial effects:

1. due to the arrangement of the adjusting component, the filling slide block can be moved to enter the cavity of the cylinder body through the arrangement of the filling slide block, so that the usable space in the cylinder body is occupied, when hydraulic oil is injected, the moving stroke of the connecting rod can be increased through the hydraulic oil with the same capacity, after the stroke is increased, when the friction plate of the brake is more worn, the friction force of the brake can be increased, and the braking effect of the brake is improved.

2. By filling the sealing of the sliding block, under the limitation of the sealing double sealing of the adjusting worm, the sealing performance of the brake cylinder is greatly improved, and the risk of hydraulic oil leakage is reduced.

Drawings

Fig. 1 is a perspective view of the present utility model.

Fig. 2 is a front view of the present utility model.

FIG. 3 is a cross-sectional view taken along the direction A-A in FIG. 2 in accordance with the present utility model.

Fig. 4 is a cross-sectional view taken along the direction B-B in fig. 2 in accordance with the present utility model.

10. A cylinder; 11. an end cap; 12. a connecting rod; 13. adjusting a worm; 14. an adjusting block; 15. a regulating chamber; 16. a gear; 17. a screw rod; 18. filling a sliding block; 19. a sealing block; 20. a chute; 21. an oil port.

Detailed Description

In order to enable those skilled in the art to better understand the present utility model, the following description will make clear and complete descriptions of the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in figures 1-4, a stroke-adjustable brake cylinder comprises a cylinder body 10 which is arranged in a hollow mode, end covers 11 are sleeved on two sides of the cylinder body 10, a sealing assembly is arranged in the cylinder body 10 in a sliding mode, the sealing assembly comprises a sealing block 19, one side end face of the sealing block 19, which is close to the end covers 11, is fixedly connected with a connecting rod 12, the connecting rod 12 penetrates through the end covers 11 to extend to the outside, the connecting rod 12 is in sliding connection with the end covers 11, an oil port 21 is formed in the periphery of the cylinder body 10, the oil port 21 is communicated with the cylinder body 10, the oil port 21 is located in the middle of the cylinder body 10, and a brake wheel disc can be driven to brake an automobile through the connecting rod 12, and the stroke-adjustable brake cylinder is characterized in that: the cylinder body 10 is provided with an adjusting component at the center;

the adjusting component comprises an adjusting block 14 fixed on the inner wall of the cylinder body 10, the joint of the adjusting block 14 and the cylinder body 10 is located on the opposite side of an oil port 21, two filling slide blocks 18 are arranged in the adjusting block 14 in a sliding mode, the filling slide blocks 18 are sealed with sliding grooves 20, when the filling slide blocks 18 move to two sides, internal air is sucked into a cavity of the cylinder body 10 from the adjusting cavity 15, the central lines of the two filling slide blocks 18 are parallel to the central line of the cylinder body 10, an adjusting worm 13 is further rotationally arranged in the adjusting block 14, threads are arranged at the bottom of the adjusting worm 13, an inner hexagonal groove is formed in the top of the adjusting worm 13, the adjusting worm 13 is perpendicular to the central line of the cylinder body 10, two gears 16 are further arranged in the adjusting block 14, a screw rod 17 is fixedly connected to the central position of each gear 16, the screw rod 17 extends into the filling slide blocks 18, the screw rod 17 is in threaded connection with the filling slide blocks 18, the gears 16 are in threaded connection with the adjusting worm 13, through the arrangement of the filling slide blocks 18, therefore the movable filling slide blocks 18 enter the cavity of the cylinder body 10, the usable space in the cylinder body 10 is occupied, when hydraulic oil is injected, the hydraulic oil with the same capacity can increase the travel of the connecting rod 12, the friction brake pad can be increased, and after friction force can be increased, and more brake friction force can be increased.

An adjusting cavity 15 is formed in the adjusting block 14, the adjusting cavity 15 extends to be communicated with the outside along the direction of the central line of the oil port 21, the adjusting worm 13 is located in the adjusting cavity 15, two sliding grooves 20 are formed in the adjusting block 14, the two sliding grooves 20 are symmetrically arranged with the adjusting cavity 15 as the center, and the filling sliding block 18 is located in the sliding grooves 20 and is in sliding connection with the sliding grooves 20.

When the hydraulic oil is injected into the oil port 21, the hydraulic oil is abutted against the sealing block 19 to drive the connecting rod 12 to slide to two sides, when the stroke of the brake cylinder is required to be regulated, a tool is required to rotate the regulating worm 13, the regulating worm 13 rotates to drive the gear 16 to rotate through threads, the gear 16 rotates to drive the filling slide block 18 to slide far away from the regulating worm 13 through the screw rod 17, the filling slide block 18 slides to occupy the whole space of the hydraulic oil, and then when the equivalent hydraulic oil is injected into the cylinder body 10, the sliding distance of the sealing block 19 is prolonged, so that the stroke of the connecting rod 12 is increased.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

Claims

1. The utility model provides a stroke adjustable brake cylinder, includes cylinder body (10) of cavity setting, the both sides cover of cylinder body (10) is equipped with end cover (11), the interior seal assembly that is equipped with of cylinder body (10), its characterized in that: an adjusting component is arranged at the center of the cylinder body (10);

the adjusting assembly comprises an adjusting block (14) fixed on the inner wall of the cylinder body (10), two filling slide blocks (18) are arranged in the adjusting block (14) in a sliding mode, the central lines of the two filling slide blocks (18) are parallel to the central line of the cylinder body (10), an adjusting worm (13) is further rotationally arranged in the adjusting block (14), the adjusting worm (13) is perpendicular to the central line of the cylinder body (10), two gears (16) are further arranged in the adjusting block (14), a screw rod (17) is fixedly connected to the central position of each gear (16), the screw rod (17) extends into the corresponding filling slide block (18), the screw rod (17) is in threaded connection with the corresponding filling slide block (18), and the gears (16) are in threaded connection with the adjusting worm (13).

2. The stroke-adjustable brake cylinder according to claim 1, wherein: the sealing assembly comprises a sealing block (19), a connecting rod (12) is fixedly connected to the end face of one side, close to the end cover (11), of the sealing block (19), the connecting rod (12) penetrates through the end cover (11) to extend to the outside, and the connecting rod (12) is in sliding connection with the end cover (11).

3. The stroke-adjustable brake cylinder according to claim 1, wherein: an oil port (21) is formed in the outer periphery of the cylinder body (10), the oil port (21) is communicated with the inside of the cylinder body (10), and the oil port (21) is located in the middle of the cylinder body (10).

4. A stroke-adjustable brake cylinder according to claim 3, wherein: the connection part of the regulating block (14) and the cylinder body (10) is positioned on the opposite side of the oil port (21).

5. The stroke-adjustable brake cylinder according to claim 4, wherein: an adjusting cavity (15) is formed in the adjusting block (14), the adjusting cavity (15) extends to be communicated with the outside along the direction of the central line of the oil port (21), and the adjusting worm (13) is located in the adjusting cavity (15).

6. The stroke-adjustable brake cylinder according to claim 5, wherein: two sliding grooves (20) are further formed in the adjusting block (14), the two sliding grooves (20) are symmetrically arranged with the adjusting cavity (15) as a center, and the filling sliding block (18) is located in the sliding groove (20) and is in sliding connection with the sliding groove.

7. The stroke-adjustable brake cylinder according to claim 1, wherein: the bottom of the adjusting worm (13) is provided with threads, and the top of the adjusting worm (13) is provided with an inner hexagonal groove.