A one-way valve

CN115342210BActive Publication Date: 2026-10-27ZHEJIANG SANHUA COMMERCIAL REFRIGERATION CONTROLS CO LTD SHAOXING CITY
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Patent Information

Application Number
CN202110852095.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2021-05-14
Filing Date
2021-07-27
Publication Date
2026-10-27
Estimated Expiration
2041-07-27

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Abstract

The application discloses a one-way valve, which further comprises a valve seat, a valve core and an elastic member, the valve seat is welded and fixed with the valve body, the valve core and the elastic member are located in a valve cavity of the one-way valve, the valve core is oppositely fixed with the elastic member, the valve core abuts against the valve seat, the valve core is in clearance sliding fit with an inner wall of the valve body, the valve seat comprises a sealing surface, and the valve core can abut against or separate from the sealing surface to close or open a valve port of the one-way valve, so that the one-way valve can improve external leakage.
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Citation Information

Patent Citations

  • Low-frequency one-way valve for hydraulic substation

    CN204386842U