一种液氢截止阀
By introducing a bidirectional sealing structure and an anti-static device into the liquid hydrogen shut-off valve, the problems of easy damage to the valve core sealing surface and static electricity accumulation are solved, achieving higher sealing performance and safety.
CN122083147BActive Publication Date: 2026-07-17SICHUAN ZHONGYOU LEYI ENERGY EQUIP MFG CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SICHUAN ZHONGYOU LEYI ENERGY EQUIP MFG CO LTD
- Filing Date
- 2026-04-27
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
The sealing surface of the valve core of the existing liquid hydrogen shut-off valve is easily compressed by the medium, which reduces the sealing performance and poses a risk of static electricity accumulation.
Method used
It adopts a bidirectional sealing structure, including a main valve core and a secondary valve core. The secondary valve core is used for secondary sealing, and the main valve core is engaged with the main shaft through a connecting rod and clutch pin structure. An anti-static device is set to discharge static charge.
Benefits of technology
It improves the sealing performance of the valve body, avoids damage to the valve core sealing surface, reduces the risk of static electricity accumulation, and ensures safety and reliability.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN122083147B_ABST
Abstract
本发明涉及截止阀技术领域，该一种液氢截止阀，包括阀体，所述阀体的上表面密封连接有阀盖，所述阀盖的上表面密封连接有连接法兰，连接法兰的内壁螺纹连接有阀杆，所述阀杆的下端活动安装在阀盖内，并贯穿阀盖设置于阀体内，所述阀杆的下端固定连接有主阀芯，所述阀杆的上端固定连接有手轮一，所述阀体的内壁开设有通孔，所述主阀芯的下表面设置有第二封堵装置，尽量避免了主阀芯处于密封状态下，主阀芯底部会受到入腔内的介质挤压，当主阀芯长时间处于介质挤压状态下，主阀芯的密封面会受到介质的冲刷，导致密封面出现损伤，造成截止阀内部的密闭性能降低的问题。
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