Self-sealing track ball valve

The utility model discloses a self-sealing track ball valve which comprises a valve body, a valve cover, a ball body and a valve rod, the ball body is arranged in an inner cavity of the valve body, the valve cover is installed at the upper end of the valve body, the valve rod is arranged on the valv...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YANG HAN, CHEN FAN'E, PENG YANGANG, JIN ANTAO, LUO YINYIN
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 utility model discloses a self-sealing track ball valve which comprises a valve body, a valve cover, a ball body and a valve rod, the ball body is arranged in an inner cavity of the valve body, the valve cover is installed at the upper end of the valve body, the valve rod is arranged on the valve cover in a penetrating mode, the inner end of the valve rod is connected with the ball body in a linkage mode, and an actuator is installed above the valve cover. The output end of the actuator is in linkage connection with the outer end of the valve rod, and a valve seat is further installed in the valve body. A threaded groove is formed in the inner wall of the valve body, the valve seat is connected to the threaded groove in a threaded mode, an inner sealing ring used for being in sealing fit with the ball body is installed on the valve seat, a sliding groove is further formed in the inner wall of the valve body in the circumferential direction, a pressing flange matched with the sliding groove is arranged on