Valve seat structure of ball valve

The utility model relates to a valve seat structure of a ball valve. The valve seat structure comprises a first valve seat and a second valve seat, wherein a first valve seat cavity and a second valve seat cavity for containing flowing mediums are formed inside the first valve seat and the second va...

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Bibliographische Detailangaben
Hauptverfasser:	YU SANBAO, LIU RIPING, LU HETAO, ZHU LUGEN
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 valve seat structure of a ball valve. The valve seat structure comprises a first valve seat and a second valve seat, wherein a first valve seat cavity and a second valve seat cavity for containing flowing mediums are formed inside the first valve seat and the second valve seat, respectively. The valve seat structure is characterized in that a screw hole is formed in the end surface of each of the first valve seat and the second valve seat, and the first valve seat and the second valve seat are connected and fixed by virtue of screws; the corresponding connected end surfaces of the first valve seat and the second valve seat are provided with a bulge block and a groove, respectively, and the first valve seat and the second valve seat are matched with each other to be positioned by the bulge block and the groove; an elastic sealing block is arranged at the bottom of the groove and extends to the two side walls of the groove; on the corresponding end surfaces of the first valve seat