A dust-proof switch, valve core
CN224871899UActive Publication Date: 2026-10-20HENAN LVBO ENERGY EQUIP CO LTD
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Patent Information
- Application Number
- CN202522626125.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-11
- Publication Date
- 2026-10-20
- Estimated Expiration
- 2035-12-11
AI Technical Summary
Technical Problem
[0002]灭火器按照所充装的灭火剂则可分为：泡沫、干粉、卤代烷、二氧化碳、清水等，目前市场上灭火器干粉充填时使用的阀门多为气动球阀，依据售后反应甲方生产时控制来料的气动球阀频繁发生卡料堵塞现象，球阀返回后拆解发现多为粉料粘黏球阀内壁所致，针对此现象设计一种新的机构来代替气动球阀控制粉料
Benefits of technology
[0014]本实用新型采用可伸缩的蘑菇头状阀芯对出粉口封堵与开放，伸缩过程阀芯上粘连的粉能够去掉，减少阀芯的外壁的粘粉量以及阀腔内粘粉量。
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224871899U_ABST
Abstract
The utility model discloses a kind of powder blocking switch, valve core, powder blocking switch, including valve cavity, valve cover, valve core and valve rod, valve cavity is provided with powder inlet, powder outlet and valve cavity, powder inlet, powder outlet are communicated with valve cavity;Valve cover and the opening of valve cavity are detachably sealed connection, valve core is located in valve cavity, and one end of valve core is sealed connection with the end surface of valve cover towards valve cavity, one end of valve rod is inserted into valve core after passing through valve cover and is connected with the free end of valve core, the valve core is telescopic elastic valve core, valve rod telescopic with valve core, the free end of valve core switches between plugging powder outlet station and opening powder outlet station.The utility model uses telescopic mushroom head-shaped valve core to plug and open powder outlet, the powder adhered on valve core can be removed during telescopic process, reduce the powder amount adhered on the outer wall of valve core and the powder amount adhered in valve cavity.
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