Elastic sealing type ball valve

The invention relates to an elastic sealing type ball valve, and belongs to the technical field of valve sealing. The elastic sealing type ball valve comprises a valve seat, a ball body and a valve cover, wherein a valve cavity is formed in the valve seat, a first flow channel is formed in the botto...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LIU LILI, HONG SHUILONG
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:	The invention relates to an elastic sealing type ball valve, and belongs to the technical field of valve sealing. The elastic sealing type ball valve comprises a valve seat, a ball body and a valve cover, wherein a valve cavity is formed in the valve seat, a first flow channel is formed in the bottom of the valve cavity, and a first sealing ring is embedded in the first flow channel; the ball body is located in the valve cavity, and a through groove is formed in the ball body; a driving part used for driving the ball body to rotate is arranged on the valve seat, the valve cover is connected to the valve seat, and a second flow channel opposite to the valve cavity is formed in the side wall of the valve cover; and an elastic part and a second sealing ring are embedded in the second flow channel, the first sealing ring and the second sealing ring are both matched with the ball body, and the elastic part is located on the side, away from the ball body, of the second sealing part. The elastic sealing type ball va