Piston assembly seal structure for a brake chamber

By employing a high-strength metal load-bearing mechanism, elastic sealing ring, and wear-resistant coated piston in the brake chamber piston assembly, combined with limiting components such as limiting grooves and guide grooves, the sealing and guiding problems of traditional piston sealing structures are solved, thereby improving the reliability and response accuracy of the braking system.

CN224414339UActive Publication Date: 2026-06-26HANKWAY (SHANDONG) INTELLIGENT MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HANKWAY (SHANDONG) INTELLIGENT MFG CO LTD
Filing Date
2025-07-23
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Traditional brake chamber piston sealing structures have poor sealing performance, are prone to leakage, and have poor guidance and limiting properties, which affect braking response speed and system stability.

Method used

The sealing component consists of a high-strength metal load-bearing structure, a sealing frame with an elastic sealing ring, and a sealing cover. Combined with a wear-resistant coated piston and a limiting assembly with limiting grooves and guide grooves, it ensures the sealing, guiding, and limiting accuracy of piston movement.

Benefits of technology

It improves the sealing reliability of the brake chamber, the smoothness of piston movement, and the accuracy of braking response, meeting the needs of modern vehicles for high-performance and long-life braking systems.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of piston assembly sealing structure for brake chamber belongs to mechanical engineering technical field, including bearing mechanism, for providing installation base and support for entire piston assembly sealing structure;Sealing element is located on the bearing mechanism, for realizing sealing protection function in the movement process of piston assembly;The sealing element includes sealing frame and sealing cover, the sealing cover is detachably set on the sealing frame, forms closed type sealing space;Driving mechanism includes piston assembly and limiting component.The utility model is by setting the sealing element consisting of sealing frame and sealing cover, and is combined with the limiting component of piston with wear-resistant coating and limit groove, guide groove cooperation, effectively solve the problem that traditional piston sealing structure is poor in sealing, guide is bad, limit is not accurate etc., improve the sealing reliability of brake chamber, piston movement stability and brake response precision, satisfy modern vehicle to high performance, long life brake system technical demand.
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