CN220600301U

CN220600301U - Brake piston with noise reduction structure

Info

Publication number: CN220600301U
Application number: CN202322305282.3U
Authority: CN
Inventors: 肖相定; 肖吉建; 唐伟民
Original assignee: Fujian Zhirui Precision Technology Co ltd
Current assignee: Fujian Zhirui Precision Technology Co ltd
Priority date: 2023-08-28
Filing date: 2023-08-28
Publication date: 2024-03-15
Anticipated expiration: 2033-08-28

Abstract

The utility model belongs to the field of brake pistons, and particularly relates to a brake piston with a noise reduction structure, which comprises a first piston head, wherein a connecting cylinder is fixedly connected to the first piston head, a second piston head is fixedly connected to the connecting cylinder, a piston top is fixedly connected to the second piston head, an oil groove is formed in the first piston head, an oil inlet is formed in the top of the first piston head, the oil inlet is communicated with the oil groove, a sealing plug is slidably connected to the oil inlet, an oil outlet is formed in the surface of the first piston head, the oil outlet is communicated with the oil groove, and a noise reduction mechanism is arranged in the connecting cylinder. According to the utility model, the energy dissipation holes and the noise reduction layer are arranged, so that when the brake piston moves, generated noise can be firstly reduced through the energy dissipation holes, the noise is primarily reduced, and then the noise can be deeply reduced by the noise reduction layer in the annular sleeve, so that the brake piston can achieve the noise reduction effect.

Description

Brake piston with noise reduction structure

Technical Field

The utility model relates to the field of brake pistons, in particular to a brake piston with a noise reduction structure.

Background

The automobile brake piston is a brake caliper, and the more the pistons of the automobile caliper are, the more the brake force is, the more stable and the flatter the brake force is, for example, the utility model patent with the patent grant publication number of CN203516552U provides a brake piston, and belongs to the field of automobile parts. The piston comprises a piston head, a piston skirt and a piston top, wherein the piston head, the piston skirt and the piston top are integrally formed and are of a cylinder structure; the two ends of the piston skirt are fixedly connected with the piston head and the piston top respectively through a first connecting shaft and a second connecting shaft, and the diameter of the first connecting shaft is smaller than that of the second connecting shaft; and a threaded hole is formed in the piston top.

When the existing brake piston is operated, larger noise is generated, and the harshness noise not only can influence the hearing, but also can have adverse effects on the cardiovascular system, the nervous system and the like of people. Therefore, improvements are needed.

Disclosure of Invention

The utility model aims to provide a brake piston with a noise reduction structure, which solves the problem that the existing brake piston can generate larger noise when in operation.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a take brake piston of structure of making an uproar falls, includes first piston head, the overhead fixedly connected with connecting cylinder of first piston, fixedly connected with second piston head on the connecting cylinder, overhead fixedly connected with piston top of second piston, the oil groove has been seted up in the first piston head, the oil inlet has been seted up at the top of first piston head, the oil inlet communicates with the oil groove, sliding connection has the sealing plug on the oil inlet, the oil-out has been seted up on the surface of first piston head, the oil-out communicates with the oil groove, be provided with the mechanism of making an uproar falls in the connecting cylinder.

Preferably, the noise reduction mechanism comprises a ring sleeve, an energy dissipation hole, a framework and a noise reduction layer, wherein the ring sleeve is fixedly connected in the connecting cylinder and fixedly connected with the first piston head, the ring sleeve is fixedly connected with the second piston head, the ring sleeve is fixedly connected with the piston top, the energy dissipation hole is formed in the ring sleeve, the framework is fixedly connected in the ring sleeve, the noise reduction layer is arranged in the framework, the noise reduction layer is in sliding connection with the first piston head, and the noise reduction layer is fixedly connected with the ring sleeve and can enable the brake piston to achieve the noise reduction effect through the noise reduction mechanism.

Preferably, the number of the oil outlets is multiple, the multiple oil outlets are distributed on the first piston head in an array mode, and the lubricating effect is better through the multiple oil outlets.

Preferably, the sealing plug is fixedly connected with a shifting head, the shifting head is in sliding connection with the first piston head, and the shifting head is arranged, so that the sealing plug is easy to take and place.

Preferably, the first piston head and the second piston head are fixedly connected with sealing rings, the sealing rings are made of rubber, and the sealing performance of the brake piston is enhanced by arranging the sealing rings.

Preferably, the number of the energy dissipation holes is multiple, the energy dissipation holes are uniformly distributed on the annular sleeve, and the silencing capability is enhanced by arranging the energy dissipation holes.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the energy dissipation holes and the noise reduction layer are arranged, so that when the brake piston moves, generated noise can be firstly reduced through the energy dissipation holes, the noise is primarily reduced, and then the noise can be deeply reduced by the noise reduction layer in the annular sleeve, so that the brake piston can achieve the noise reduction effect.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a front cross-sectional view of FIG. 1 of the present utility model;

fig. 3 is an enlarged view of the structure of the portion a of fig. 2 according to the present utility model.

In the figure: 1. a first piston head; 2. a noise reduction mechanism; 21. a ring sleeve; 22. energy dissipation holes; 23. a skeleton; 24. a noise reduction layer; 3. a connecting cylinder; 4. a second piston head; 5. a piston crown; 6. an oil groove; 7. an oil inlet; 8. an oil outlet; 9. a sealing plug; 10. a poking head; 11. and (3) sealing rings.

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, 2 and 3, a brake piston with noise reduction structure includes a first piston head 1, a connecting cylinder 3 is fixedly connected to the first piston head 1, a second piston head 4 is fixedly connected to the connecting cylinder 3, a piston top 5 is fixedly connected to the second piston head 4, an oil groove 6 is formed in the first piston head 1, an oil inlet 7 is formed in the top of the first piston head 1, the oil inlet 7 is communicated with the oil groove 6, a sealing plug 9 is slidingly connected to the oil inlet 7, a shifting head 10 is fixedly connected to the sealing plug 9, and the shifting head 10 is slidingly connected with the first piston head 1, so that the sealing plug 9 is easier to take and place by installing the shifting head 10.

Referring to fig. 2 and 3, an oil outlet 8 is formed in the surface of the first piston head 1, the oil outlet 8 is communicated with the oil groove 6, the number of the oil outlets 8 is multiple, the multiple oil outlets 8 are distributed on the first piston head 1 in an array manner, the lubrication effect is better through forming the multiple oil outlets 8, sealing rings 11 are fixedly connected to the first piston head 1 and the second piston head 4, the sealing rings 11 are made of rubber, and the sealing performance of the brake piston is enhanced through arranging the sealing rings 11.

Referring to fig. 2, a noise reduction mechanism 2 is disposed in a connecting cylinder 3, the noise reduction mechanism 2 includes a ring sleeve 21, energy dissipation holes 22, a skeleton 23 and a noise reduction layer 24, the ring sleeve 21 is fixedly connected in the connecting cylinder 3, the ring sleeve 21 is fixedly connected with a first piston head 1, the ring sleeve 21 is fixedly connected with a second piston head 4, the ring sleeve 21 is fixedly connected with a piston top 5, the ring sleeve 21 is provided with the energy dissipation holes 22, the number of the energy dissipation holes 22 is multiple, the energy dissipation holes 22 are uniformly distributed on the ring sleeve 21, the noise reduction capability is enhanced by disposing the energy dissipation holes 22, the skeleton 23 is fixedly connected in the ring sleeve 21, the noise reduction layer 24 is slidably connected with the first piston head 1, the noise reduction layer 24 is fixedly connected with the ring sleeve 21, the noise generated during the movement of a brake piston is firstly reduced through the energy dissipation holes 22, and then the noise is reduced by the noise reduction layer 24 in the ring sleeve 21, thereby reducing the depth of the brake piston.

The specific implementation process of the utility model is as follows: when the brake piston is used, firstly, the sealing plug 9 is taken down from the oil inlet 7 through the shifting head 10, then lubricating oil is added into the oil groove 6 through the oil inlet 7, when the lubricating oil is enough, the sealing plug 9 is installed on the oil return inlet 7, and then when the brake piston runs, the lubricating oil slowly flows out through the oil outlet 8, and the lubricating oil outlet quantity can ensure the lubrication of the brake piston;

when the brake piston operates, larger noise is generated, the generated noise is firstly reduced through the energy dissipation holes 22 formed in the annular sleeve 21, so that the noise is primarily reduced, and then the reduced noise is reduced in depth by the noise reduction layer 24 in the annular sleeve 21, so that the brake piston can achieve the noise reduction effect.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Brake piston with noise reduction structure, comprising a first piston head (1), characterized in that: fixedly connected with connecting cylinder (3) on first piston head (1), fixedly connected with second piston head (4) on connecting cylinder (3), fixedly connected with piston top (5) on second piston head (4), oil groove (6) have been seted up in first piston head (1), oil inlet (7) have been seted up at the top of first piston head (1), oil inlet (7) and oil groove (6) intercommunication, sliding connection has sealing plug (9) on oil inlet (7), oil-out (8) have been seted up on the surface of first piston head (1), oil-out (8) and oil groove (6) intercommunication, be provided with noise reduction mechanism (2) in connecting cylinder (3).

2. The brake piston with noise reduction structure according to claim 1, wherein: the noise reduction mechanism (2) comprises a ring sleeve (21), an energy dissipation hole (22), a framework (23) and a noise reduction layer (24), wherein the ring sleeve (21) is fixedly connected in the connecting cylinder (3), the ring sleeve (21) is fixedly connected with the first piston head (1), the ring sleeve (21) is fixedly connected with the second piston head (4), the ring sleeve (21) is fixedly connected with the piston top (5), the energy dissipation hole (22) is formed in the ring sleeve (21), the framework (23) is fixedly connected in the ring sleeve (21), the noise reduction layer (24) is arranged in the framework (23), and the noise reduction layer (24) is in sliding connection with the first piston head (1), and the noise reduction layer (24) is fixedly connected with the ring sleeve (21).

3. The brake piston with noise reduction structure according to claim 1, wherein: the number of the oil outlets (8) is multiple, and the plurality of the oil outlets (8) are distributed on the first piston head (1) in an array mode.

4. The brake piston with noise reduction structure according to claim 1, wherein: a shifting head (10) is fixedly connected to the sealing plug (9), and the shifting head (10) is in sliding connection with the first piston head (1).

5. The brake piston with noise reduction structure according to claim 1, wherein: and the first piston head (1) and the second piston head (4) are fixedly connected with sealing rings (11), and the sealing rings (11) are made of rubber materials.

6. The brake piston with noise reduction structure according to claim 2, wherein: the number of the energy dissipation holes (22) is multiple, and the energy dissipation holes (22) are uniformly distributed on the annular sleeve (21).