A clamp type detachable sealing structure of an electro-hydraulic oil cylinder

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By designing a clamp-type detachable sealing structure, the problem of gaps during the installation of the electro-hydraulic cylinder sealing cover was solved, achieving a stable connection between the sealing cover and the piston rod, and improving sealing performance and protection.

CN224550508UActive Publication Date: 2026-07-24ANHUI LIQUIDYAN MACHINERY TECHNOLOGY CO LTD

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Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: ANHUI LIQUIDYAN MACHINERY TECHNOLOGY CO LTD
Filing Date: 2025-09-29
Publication Date: 2026-07-24

Application Information

Patent Timeline

29 Sep 2025

Application

24 Jul 2026

Publication

CN224550508U

IPC: F15B15/14; F15B15/20

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Technology Topics

Structural engineering Mechanical engineering

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AI Technical Summary

Technical Problem

Gaps can easily appear in the sealing cover of an electro-hydraulic cylinder during installation, allowing dust to enter and affecting its sealing performance and effectiveness.

Method used

A clamp-type detachable sealing structure was designed, including a protective cover body, a sleeve and a clamp mechanism. The sealing mechanism can be detached and installed through the cooperation of a worm gear and a clamping bar, and the clamping stability of the piston rod is enhanced by a shielding component and a support component.

Benefits of technology

This improves the connection stability between the sealing cover and the piston rod, reduces the possibility of dust ingress, enhances the sealing effect, and ensures the normal operation of the electro-hydraulic cylinder.

✦ Generated by Eureka AI based on patent content.

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Figure CN224550508U_ABST

Patent Text Reader

Abstract

The utility model relates to electro -hydraulic oil cylinder technical field, and disclose a kind of hoop type detachable sealing structure of electro -hydraulic oil cylinder, including protective cover body, further include: sleeve fixedly connected in the both ends of protective cover body, the surface of both sides sleeve is provided with hoop mechanism, and one end of the hoop mechanism is provided with connecting plate;Sealing mechanism is installed on the surface of one side sleeve and can rotate when hoop mechanism is tightened;The utility model when using, staff adjusts one side hoop mechanism, can drive turntable rotation, the angle adjustment of several clamping blocks, can be clamped to piston rod body, to carry out the shielding between one side sleeve and piston rod body gap, reduce the possibility of dust into protective cover body, solved the sealing cover used by the sealing cover of current part electro -hydraulic oil cylinder when being installed by hoop, the surface of sealing cover and electro -hydraulic oil cylinder piston rod is prone to more gap, and the protection effect of sealing cover to piston rod is easily thus affected.

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