Novel lock ball control valve

The utility model discloses a novel lock ball control valve, including valve body, case and valve rod, be provided with the case in the middle of the valve body, the case up end is connected with thevalve rod, and the valve rod is a drive shaft, and the drive shaft overcoat has the filler, is stampe...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TIAN HONGZHOU, LIU YUFU, LIANG SHITIAN, LANG MANTUN
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 novel lock ball control valve, including valve body, case and valve rod, be provided with the case in the middle of the valve body, the case up end is connected with thevalve rod, and the valve rod is a drive shaft, and the drive shaft overcoat has the filler, is stamped gland on the filler, is provided with spacing protruding that two central symmetry set up on being arranged in gland's drive shaft, it has two fan -shaped chambeies to open with spacing protruding corresponding gland inner wall, and the both ends in fan -shaped chamber all are equipped with spacing terminal surface, and the spacing protruding dress of joining in marriage is in fan -shaped intracavity is spacingly protrudingly rotated respectively by the valve rod to rotate in that fan -shapedintracavity is synchronous, and spacing protruding receive all that the spacing terminal surface of fan -shaped intracavity blocks and to make turned angle spacing, the gland top is provided with theguiding hole, installs the