Novel stop valve

The invention discloses a novel stop valve. The stop valve comprises a valve body, and an upper valve chamber and a lower valve chamber are formed in the valve body. A valve plate is arranged betweenthe upper valve chamber and the lower valve chamber in the valve body, and a valve hole used for comm...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SHENG QINGMEI, SONG LAIRUI
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention discloses a novel stop valve. The stop valve comprises a valve body, and an upper valve chamber and a lower valve chamber are formed in the valve body. A valve plate is arranged betweenthe upper valve chamber and the lower valve chamber in the valve body, and a valve hole used for communicating with the upper valve chamber and the lower valve chamber is formed in the valve plate. Anoutlet pipe and an inlet pipe are arranged on the side face of the valve body. The valve body is fixedly provided with a valve cover at an opening of the upper valve chamber, and a valve rod with thelower end extending into the upper valve chamber is arranged in the valve cover. A frame plate is glidingly connected in the upper valve chamber, and the lower end of the valve rod is connected withthe frame plate. A first rotating shaft is arranged in the frame plate, a square valve block is fixedly arranged on the first rotating shaft, and sealing gaskets are arranged on the side faces aroundthe square valve block. A rot