Drum brake with noise reduction function

Abstract

The invention discloses a drum brake with a noise reduction function in the technical field of drum brakes. The drum brake comprises a drum brake body, a brake wheel cylinder and a brake bottom plate. Friction plates are symmetrically arranged on the left side and the right side of an inner cavity of the drum brake body, arc-shaped friction blocks are evenly and fixedly arranged on the opposite sides of the two sets of friction plates at equal intervals, brake shoes are arranged on the opposite sides of the friction blocks on the left side and the right side in an attached manner, silencing holes are evenly formed in the opposite sides of the two sets of friction plates, and the silencing holes communicate with sound wave dissipation cavities. According to the drum brake, the silencing holes, the sound wave dissipation cavities and noise reduction pieces are arranged, sound waves enter the sound wave dissipation cavities through the silencing holes, the sound waves are absorbed through cooperation with sound absorption cushion layers, dispersing and relieving are achieved through sound elimination cotton layers, meanwhile, sound insulation cushion layers reduce sound wave transmission, the noise reduction performance of the drum brake body is greatly improved, the noise influence is greatly reduced, and the comfortable use quality is guaranteed.

Description

technical field [0001] The invention relates to the technical field of drum brakes, in particular to a drum brake with a noise reduction function. Background technique [0002] Existing car brake devices use drum brake devices, which will generate a lot of noise when braking, which will affect the normal life of surrounding residents. At the same time, with long-term use, the noise will gradually increase , At the same time, the existing drum brake device has poor heat dissipation, which leads to weakening of braking performance. Therefore, we propose a drum brake with noise reduction function. Contents of the invention [0003] The object of the present invention is to provide a drum brake with a noise reduction function to solve the problems raised in the above-mentioned background technology. [0004] In order to achieve the above object, the present invention provides the following technical solution: a drum brake with noise reduction function, comprising a drum brake...

AI Technical Summary

Problems solved by technology

[0002] Existing car brake devices use drum brake devices. When the existing drum brake devices are used for braking, they will generate a lot of noise, which will affect the normal life of the surrounding residents. At the same time, the noise will gradually increase with long-term use. , at the same time, the existing drum brake device has poor heat dissipation, resulting in weakened braking performance. Therefore, we propose a drum brake with noise reduction function

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