Valve shaft seal structure

The utility model relates to the technical field of valves, in particular to a valve shaft seal structure which comprises a valve body, the top of the valve body is rotatably connected with a valve shaft, the top of the valve body is provided with a sealing plate, and the inner wall of the sealing p...

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Bibliographic Details
Main Authors HONG GUOBIN, LIANG JIANGBIN, CHEN DEXING
Format Patent
LanguageChinese
English
Published 19.03.2024
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 relates to the technical field of valves, in particular to a valve shaft seal structure which comprises a valve body, the top of the valve body is rotatably connected with a valve shaft, the top of the valve body is provided with a sealing plate, and the inner wall of the sealing plate and the outer wall of the valve shaft are provided with an outer ring and an inner ring respectively. A plurality of large balls at equal intervals are connected between the outer ring and the inner ring in a rolling mode, and a first sealing ring is rotationally connected between the outer ring and the inner ring. According to the utility model, the large balls are arranged, so that the inner ring can rotate in the outer ring conveniently, the first sealing ring seals between the outer ring and the inner ring, the second sealing ring seals between the first sealing ring and the outer ring and between the first sealing ring and the inner ring, and the small balls are arranged, so that the friction force betwee
Bibliography:Application Number: CN202322007123U