Top assembly type integral inclined surface metal sealing ball valve

The utility model relates to a top assembly type integral inclined surface metal sealing ball valve. The valve body is an integral outer casing, the interior cavity of the valve body is provided with a ball body, a valve rod is arranged on a middle hole on the upper part of a valve cover, and an inv...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WANG HONGJUAN, LIU HUIXIN, LUO YUANLIN, SUN HUANXIANG, LUO LIMEI
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 relates to a top assembly type integral inclined surface metal sealing ball valve. The valve body is an integral outer casing, the interior cavity of the valve body is provided with a ball body, a valve rod is arranged on a middle hole on the upper part of a valve cover, and an inverted sealing cushion is arranged between the valve rod and the valve cover. The upper end of the valve rod is connected with a driving device, and the lower end is provided with a compression spring which is connected with the ball body. Filler is filled in the middle hole of the valve core. A liner ring and a compressing nut are arranged on the upper part of the filler. An end surface cushion is arranged on the end surfaces of the valve cover and the valve body. Metal valve seats are respectively arranged between the double inclined surfaces of the valve body and the ball body. A winding type sealing cushion is embedded into a bottom groove of the metal valve seat. A sealing pair formed by the ball body and the m