A sealing ring positioning tool and positioning method for flange docking

By designing a seal ring positioning tool for flange butt, the combination of positioning seat and positioning plate is used to solve the problem of difficult observation of the seal ring position, improve the assembly accuracy and sealing effect of the seal ring, and is suitable for ultra-high vacuum equipment.

CN119748355APending Publication Date: 2025-04-04SHENZHEN ADVANCED LIGHT SOURCE RESEARCH INSTITUTE (HIGH-END SCIENTIFIC INSTRUMENT SHENZHEN BRANCH OF THE UNIVERSITY REGIONAL TECHNOLOGY TRANSFER & TRANSFORMATION CENTER)
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Patent Information

Application Number
CN202411926272.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-04-04

AI Technical Summary

Technical Problem

The position of the sealing ring cannot be directly observed during the existing flange docking process, resulting in the inability to ensure assembly accuracy, which affects the sealing effect and the realization of the minimum leakage rate of the sealing surface of ultra-high vacuum equipment.

Method used

A seal ring positioning tool for flange docking is designed, including an arcuate body and a positioning component. The positioning component includes a positioning seat and a positioning plate. The positioning plate is inserted into the positioning ring position through the positioning seat to ensure that the sealing ring is concentric with the flange.

Benefits of technology

It improves the assembly accuracy of the sealing ring and the concentricity of flange butt, ensures the accurate alignment of the sealing ring and flange, enhances the sealing effect, and is suitable for the sealing requirements of ultra-high vacuum equipment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN119748355A_ABST
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Abstract

The present invention discloses a sealing ring positioning tool and positioning method for flange docking, wherein the positioning tool comprises an arc-shaped body and at least one positioning component, a positioning space is formed on the inner side of the arc-shaped body, and the positioning space is used to accommodate two flanges to be docked; the positioning component is connected to the arc-shaped body; the positioning component comprises a positioning seat, the positioning seat extends toward the center of the positioning space, and is used to abut the outer walls of the two flanges at the same time to align the two flanges; a positioning plate is protruded on the positioning seat, and the positioning plate extends toward the center of the positioning space; when the positioning seat contacts the outer walls of the two flanges, the positioning plate is inserted into the docking gap between the two flanges, and is used to abut the sealing ring between the two flanges to maintain the concentric setting of the sealing ring and the flange. By setting the positioning seat and the positioning plate, the concentricity of the sealing ring and the flange pair is higher, the concentricity of the vacuum flange and the sealing ring assembly is improved, and it is beneficial to improve the sealing performance of the flange docking structure.
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