CN210034405U

CN210034405U - Sealing structure for preventing brake air chamber from being disassembled

Info

Publication number: CN210034405U
Application number: CN201920530691.4U
Authority: CN
Inventors: 高俊明; 张明明
Original assignee: Knoll Brake System Dalian Co Ltd
Current assignee: Knoll Brake System Dalian Co Ltd
Priority date: 2019-04-18
Filing date: 2019-04-18
Publication date: 2020-02-07
Anticipated expiration: 2029-04-18

Abstract

The utility model discloses a brake air chamber seal and safety technical field, in particular to a brake air chamber tamper-proof unsealing structure, which comprises an intermediate body, a spring cavity, a shell, a wedge-shaped boss and a U-shaped groove, wherein the circumference outer wall of the spring cavity is provided with the shell, the right end of the circumference outer wall of the intermediate body is provided with the wedge-shaped boss, the circumference outer wall of the shell is provided with the U-shaped groove matched with the wedge-shaped boss, the spring cavity is clamped on the wedge-shaped boss of the circumference outer wall of the intermediate body through the U-shaped groove, the wedge-shaped boss is arranged on the right side wall of the circumference outer wall of the intermediate body, the U-shaped groove matched with the wedge-shaped boss is arranged on the left side wall of the circumference outer wall of the spring cavity, the wedge-shaped boss is pressed into the U-shaped groove on the spring cavity for clamping and fixing, meanwhile, a film is arranged at the joint of the intermediate and the spring chamber, so that the overall sealing performance is improved.

Description

Sealing structure for preventing brake air chamber from being disassembled

Technical Field

The utility model relates to a brake chamber is sealed and safe technical field specifically is a brake chamber prevents disassembling seal structure.

Background

Most of the spring brake chambers produced at present use structures such as clamps or bayonet locks, so that the spring brake chambers are possible to be manually disassembled, and the compression force of the springs in the spring cavities is extremely high to possibly cause safety accidents; meanwhile, along with the development of commercial vehicles, the requirement on the sealing performance of the air chamber is higher and higher, and the existing sealing structures such as the hoop are difficult to meet the requirement of the modern commercial vehicles due to the structural defects of the sealing structures.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a brake chamber prevents disassembling seal structure to the structure of borduring of the current spring brake chamber who provides in solving above-mentioned background art mostly all is the connected mode who uses clamp or bayonet lock, the higher and not enough problem of gas tightness of possibility of artificial disassembling.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a braking air chamber is prevented tearing open and is decrypted sealing structure, includes midbody, spring cavity, casing, wedge boss and U type recess, the circumference outer wall of spring cavity sets up the casing, the right-hand member of the circumference outer wall of midbody sets up the wedge boss, the circumference outer wall of casing is provided with the U type recess with wedge boss matched with, the spring cavity passes through U type recess joint on the wedge boss of midbody circumference outer wall, the inner chamber junction of midbody and spring cavity is provided with the involucra.

Preferably, a sealing ring is bonded on the circumferential inner wall of the U-shaped groove.

Compared with the prior art, the beneficial effects of the utility model are that: be provided with the wedge boss through the circumference outer wall right side wall at the midbody, be provided with the U type recess with wedge boss matched with at the circumference outer wall left side wall of spring chamber, press the U type recess that advances on the spring chamber with the wedge boss and carry out the chucking fixed, replaced the traditional connected mode that passes through the clamp, reduced the possibility of artificial dismantlement, be provided with the involucra in the junction of midbody and spring chamber simultaneously, improved holistic leakproofness.

Drawings

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

In the figure: the spring cavity comprises a middle body 100, a spring cavity 200, a shell 300, a wedge-shaped boss 400, a U-shaped groove 500 and a coating 600.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a seal structure is prevented disassembling by brake chamber for improve brake chamber's gas tightness and security, please refer to and draw together figure 1, including midbody 100, spring chamber 200, casing 300, wedge boss 400, U type recess 500 and involucra 600.

Referring to fig. 1 again, a wedge-shaped boss 400 is integrally formed on the right side wall of the circumferential outer wall of the intermediate body 100, the intermediate body 100 is used for being matched with the spring chamber 200 to form a brake chamber, and the wedge-shaped boss 400 is used for being matched with the U-shaped groove 500 to fix the intermediate body 100 and the spring chamber 200 in a clamping manner;

referring to fig. 1 again, the outer side wall of the spring chamber 200 is screwed with the housing 300, the left side wall of the outer circumferential wall of the housing 300 is integrally formed with a U-shaped groove 500, and the spring chamber 200 is used for being clamped to the wedge-shaped boss 400 on the intermediate body 100 through the U-shaped groove 500;

referring to fig. 1 again, the film 600 is adhered to the left side wall of the spring chamber 200, and the film 600 is used to improve the air tightness of the spring brake chamber formed by the spring chamber 200 and the middle body 100.

The working principle is as follows: a person skilled in the art aligns the right side wall of the intermediate body 100 with the left side wall of the spring chamber 200, presses the wedge-shaped boss 400 on the right side wall of the circumferential outer wall of the intermediate body 100 into the U-shaped groove 500 on the left side wall of the circumferential outer wall of the spring chamber 200 for clamping and fixing, and then compresses the membrane 600 to improve the air tightness;

in order to further improve the sealing performance of the device, a sealing ring is bonded on the circumferential inner wall of the U-shaped groove.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a seal structure is prevented disassembling by braking air chamber which characterized in that: including midbody (100), spring chamber (200), casing (300), wedge boss (400), U type recess (500) and involucra (600), the circumference outer wall of spring chamber (200) sets up casing (300), the right-hand member of the circumference outer wall of midbody (100) sets up wedge boss (400), the circumference outer wall of casing (300) is provided with U type recess (500) with wedge boss (400) matched with, spring chamber (200) are through U type recess (500) joint on wedge boss (400) of midbody (100) circumference outer wall, the inner chamber junction of midbody (100) and spring chamber (200) is provided with involucra (600).

2. The brake chamber disassembly prevention sealing structure of claim 1, wherein: and a sealing ring is bonded on the circumferential inner wall of the U-shaped groove (500).