Lifting type check valve

The utility model belongs to the technical field of check valves, and particularly relates to a lifting type check valve which comprises a valve body, a sealing piece is fixedly connected in the valve body, a valve cover is connected to the top of the valve body through threads, a sleeve is fixedly...

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Bibliographic Details
Main Author CHEN BOJING
Format Patent
LanguageChinese
English
Published 01.02.2022
Subjects
ACTUATING-FLOATS
BLASTING
COCKS
DEVICES FOR VENTING OR AERATING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
TAPS
THERMAL INSULATION IN GENERAL
VALVES
WEAPONS
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Summary:The utility model belongs to the technical field of check valves, and particularly relates to a lifting type check valve which comprises a valve body, a sealing piece is fixedly connected in the valve body, a valve cover is connected to the top of the valve body through threads, a sleeve is fixedly connected to the bottom of the valve cover, a spring is connected to the outer portion of the sleeve in a sleeved mode, and the sealing piece is fixedly connected to the top of the valve cover. A sleeve is slidably connected to the inner side of the sleeve, a sealing seat is fixedly connected to the bottom of the sleeve and makes contact with the sleeve, a threaded rod is connected to the inner side of the sleeve through threads, and the threaded rod penetrates through the valve deck and is movably connected with the valve deck. The sleeve can move up and down in the casing pipe through the threaded fit of the threaded rod and the sleeve, so that the sleeve drives the sealing seat to move up and down, and after the
Bibliography:Application Number: CN202121783085U