Self-adjusting gap brake

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By introducing a water film sensing system and a vibration system into the brake, the distance between the brake pads is automatically adjusted, solving the problem of reduced power in drum brakes after water ingress. This allows for timely removal of water when a water film is present, ensuring braking performance and driving safety.

CN121761048BActive Publication Date: 2026-05-01PUTIAN UNIV

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Patent Information

Application Number: CN202610257005.5
Authority / Receiving Office: CN · China
Patent Type: Patents(China)
Current Assignee / Owner
Filing Date: 2026-03-04
Publication Date: 2026-05-01
Estimated Expiration: 2046-03-04

Application Information

Patent Timeline

04 Mar 2026

Application

CN202610257005.5

01 May 2026

Publication

CN121761048B

IPC: F16D51/24; F16D65/16; F16D65/58; F16D65/00; F16D66/00; F16D121/02

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AI Technical Summary

Technical Problem

Existing drum brakes are prone to reduced braking power or even failure after water enters them.

Method used

A gap self-adjusting brake was designed, which includes a water film sensing system and a vibration system. The system senses the influence of the water film through a pressure sensor, and adjusts the gap between the brake shoes using an eccentric vibration device and a vibration hinge plate to scrape off the water film and ensure braking effect.

Benefits of technology

It effectively prevents brake failure caused by water film, ensures braking performance, and improves driving safety.

✦ Generated by Eureka AI based on patent content.

Patent Text Reader

Abstract

The present application relates to gap self-adjusting type brake, relates to brake technical field, including brake bottom plate, brake adjusting system, brake power device, two brake shoes, shoe pressing plate, water film sensing system, vibration system and brake hub, brake power device is transmission connection with each brake shoe, brake hub is rotatably installed on brake bottom plate, brake adjusting system changes the interval between two brake shoes after two brake shoes wear, water film sensing system is slidably installed on brake shoe, pressure sensor is arranged on water film sensing system, vibration system includes eccentric vibration device and two vibration hinged plates, vibration hinged plate is hinged on corresponding brake shoe, each vibration hinged plate is hinged with each other, eccentric vibration device is installed on one of vibration hinged plate, eccentric vibration device moves along the inside wall of brake hub, eccentric vibration device drives vibration hinged plate to rotate, brake failure caused by water film can be prevented.

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