一种用于液压离合器轴承的油缸活塞

By adopting an elliptical annular surface and an oil ring chamber structure on the cylinder piston of the hydraulic clutch bearing, the problem of slow frictional heat dissipation is solved, achieving efficient heat dissipation and extended life of the piston.

CN224515732UActive Publication Date: 2026-07-17CHANGZHOU ZHIYU WEIYE MASCH MFG CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHANGZHOU ZHIYU WEIYE MASCH MFG CO LTD
Filing Date
2025-10-27
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The heat generated by friction on the sliding contact surface of the cylinder piston in existing hydraulic clutch bearings dissipates slowly, affecting their service life.

Method used

The piston uses an elliptical piston ring surface, and each ring surface has an annular chamber structure that allows oil to enter. The oil absorbs heat and cools the piston, reducing the friction contact area.

Benefits of technology

It effectively reduces the friction contact surface, improves heat dissipation efficiency, and extends the service life of the cylinder piston.

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Abstract

本实用新型公开了一种用于液压离合器轴承的油缸活塞,包括活塞环体,所述活塞环体的内外环壁处分别设置为内作用环面和外作用环面,位于所述内作用环面内部的结构处开设有内侧环室,且内侧环室内部通过分布的侧孔道与所述活塞环体表面连通。本实用新型的有益之处在于:采用椭圆形形状截面的活塞作用环面,减少密封滑动中的摩擦接触面,同时每一个作用环面内部的结构处均设置可进入油液的环室结构,能够将活塞作用环面置于油液环形包围中实施吸热降温,延长油缸活塞使用寿命。
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