Corrugated pipe stop valve with valve seat double-sealing structure

A corrugated pipe stop valve with a valve seat double-sealing structure comprises a valve body, a valve rod and a valve cover, a valve cavity is formed in the valve body, one end of the valve rod penetrates through the valve cover and extends into the valve cavity, a valve seat and a valve clack are...

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Bibliographische Detailangaben
Hauptverfasser:	YANG XIANZHEN, LIN XUEJIA, JIANG LIDA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	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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Beschreibung
Zusammenfassung:	A corrugated pipe stop valve with a valve seat double-sealing structure comprises a valve body, a valve rod and a valve cover, a valve cavity is formed in the valve body, one end of the valve rod penetrates through the valve cover and extends into the valve cavity, a valve seat and a valve clack are arranged in the valve cavity, the end, extending into the valve cavity, of the valve rod is connected with the valve clack, and the valve seat double-sealing structure is arranged on the valve seat. The valve seat double-sealing structure comprises a sealing ring groove and a sealing protruding part which are arranged on the valve seat, a valve seat sealing piece is arranged on the valve seat, the valve seat sealing piece is provided with a ring groove sealing end and a protruding sealing end, and the ring groove sealing end and the protruding sealing end are connected with the sealing ring groove and the sealing protruding part respectively in a sealing mode. The valve seat double-sealing structure is arranged on