Valve with ball core

The valve comprises a valve body, a ball seat, the ball core and a cover plate, a valve hole, an oil inlet and an oil drainage groove are formed in the valve body, the ball seat is fixedly installed at the position, corresponding to the oil inlet, in the valve hole of the valve body, the ball seat i...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZENG HUANXIANG, LIU GUANGMING, SHE XIAOMEI, XU MEIJIAO, XU ZHONGQIU
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 valve comprises a valve body, a ball seat, the ball core and a cover plate, a valve hole, an oil inlet and an oil drainage groove are formed in the valve body, the ball seat is fixedly installed at the position, corresponding to the oil inlet, in the valve hole of the valve body, the ball seat is of an annular structure, one end of the ball seat is provided with a conical surface matched with the ball core, and the other end of the ball seat is provided with an oil drainage groove. The ball seat and the ball core can be attracted together through magnetic attraction force, the valve body and the cover plate do not generate magnetism and cannot be attracted by magnetic materials, and a gap is reserved between the ball core and the cover plate. According to the valve, a traditional steel ball valve is optimized, oil is sealed through the magnetic attraction force of the ball seat and the ball core, in this way, a spring does not need to be arranged, and the requirement for the installation space is lower. W