Sealed knife-shaped gate valve

The utility model discloses a sealed knife-shaped gate valve, which relates to the technical field of gate valves and comprises a gate valve body, a knife-shaped gate plate capable of sliding up and down is arranged in the gate valve body, a sealing knife holder corresponding to the knife-shaped gat...

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Main Authors XU ZHIXIANG, WU YOUHUAN, XU HONGLIN, HAN FENMEI, LU RENGUI, XU YOUSONG, CAI GUANGRONG
Format Patent
LanguageChinese
English
Published 30.07.2024
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 discloses a sealed knife-shaped gate valve, which relates to the technical field of gate valves and comprises a gate valve body, a knife-shaped gate plate capable of sliding up and down is arranged in the gate valve body, a sealing knife holder corresponding to the knife-shaped gate plate is arranged in the gate valve body, a diagonal plane is arranged on the lower side of the knife-shaped gate plate, and a chute surface corresponding to the diagonal plane is arranged in the sealing knife holder. The knife-shaped design of the diagonal plane can be embedded into a knife holder more easily in the closing process to form closer sealing, compared with a traditional round-edge or straight-section flashboard, the knife-shaped diagonal plane flashboard can make contact with a corresponding gate seat more quickly, the sealing performance of the valve is improved, backflow of entering fluid is relieved through the cut-off protruding block, and the service life of the valve is prolonged. When the gat
Bibliography:Application Number: CN202323492858U