A brake gap adjustment structure

By using the eccentric pin and turntable design in the brake clearance adjustment structure, the problem of increased clearance caused by brake pad wear is solved, ensuring the consistency and stability of braking performance and improving the safety and reliability of the brake.

CN117329247BActive Publication Date: 2026-07-17HANGZHOU FUYANG FORK TRUCK BRAKE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HANGZHOU FUYANG FORK TRUCK BRAKE
Filing Date
2023-09-20
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

After prolonged use, brake pads wear, leading to an increased gap between the brake pads and the brake drum, which prolongs braking time and distance, and reduces safety.

Method used

The brake clearance adjustment structure is adopted. Through the design of eccentric pin and turntable, the clearance between the brake pads and the brake drum remains unchanged. By utilizing friction and the cooperation of the reset component, it is ensured that the brake shoes can effectively contact the brake drum during each braking. Friction pads and limiting components are set to improve stability.

Benefits of technology

Maintaining a consistent distance between the brake pads and brake drum during each braking action ensures a good brake pedal feel and stable braking time and distance, prevents brake shoe jamming, and improves braking performance and structural stability.

✦ Generated by Eureka AI based on patent content.

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    Figure CN117329247B_ABST
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Abstract

This application relates to the field of brakes, and in particular to a brake clearance adjustment structure, comprising: a mounting disc; a mounting base; a brake caliper; a brake shoe; a reset element; and an adjustment assembly. The adjustment assembly includes a turntable rotatably connected to the mounting disc and an eccentric pin fixed to the turntable. The turntable and the mounting disc rub against each other. A through groove for the eccentric pin is formed on the brake shoe. The sidewall of the through groove has a first surface and a second surface. The eccentric pin contacts at most one of the first surface and the second surface. The frictional force between the turntable and the mounting disc is greater than the reset force of the reset element on the brake shoe. Setting the frictional force between the turntable and the mounting disc greater than the reset force of the reset element on the brake shoe ensures that the distance between the brake pad and the brake drum is the same after each brake reset and before the next brake application. This ensures that the brake pedal travel is the same during each brake application, providing a good brake pedal feel and guaranteeing braking time and braking distance.
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