Valve oil seal pressing tool

By designing a valve stem seal press-fit fixture, rapid installation is achieved through the impact of the threaded connecting sleeve and the pressure head sleeve. This solves the problems of long time consumption and high cost in existing technologies, improves assembly efficiency and applicability, and ensures assembly accuracy and safety.

CN224587963UActive Publication Date: 2026-08-04GUANGXI YUCHAI MARINE & GENSET POWER CO LTD
0 Cites 0 Cited by

Patent Information

Application Number
CN202521361452.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-30
Publication Date
2026-08-04
Estimated Expiration
2035-06-30

AI Technical Summary

Technical Problem

Existing valve stem seal installation methods are time-consuming, inefficient, and difficult to guarantee assembly accuracy, leading to seal failure and engine safety hazards. Furthermore, they require the manufacture of round bars of different diameters to accommodate valve stem seal hole sizes, increasing assembly costs.

Method used

Design a valve stem seal press-fit tool, including a press-fit body, a threaded connecting sleeve, a sleeve and a movable rod. The threaded connecting sleeve can accommodate valve stem seals of different sizes, and the impact between the press head and the sleeve can achieve rapid installation. Rubber pads and protective pads are provided to protect the seal and the operator.

Benefits of technology

It enables rapid installation of valve stem seals, improves assembly efficiency, expands the scope of application, reduces manufacturing costs, and ensures assembly accuracy and operational safety.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The utility model discloses a valve oil seal press -packaging frock belongs to valve oil seal installation technical field, has solved current valve oil seal installation mode assembly efficiency problem. The valve oil seal press -packaging frock, including press -packaging body, be equipped with first step hole on the press -packaging body, be equipped with internal thread on the inner wall of first step hole, first step hole internal thread be connected with threaded connection sleeve, the top of first step hole is equipped with second step hole, the diameter of second step hole is less than the diameter of first step hole, just the first step hole with second step hole between form has the step face, the end surface of threaded connection sleeve and step face are attached, the inner diameter of second step hole is less than the inner diameter of threaded connection sleeve, be equipped with rubber pad on the step face of threaded connection sleeve inboard, the top of press -packaging body is equipped with the stamping device. The utility model discloses a valve oil seal press -packaging frock, effectively improves assembly efficiency.
Need to check novelty before this filing date? Find Prior Art