Discharge valve structure capable of preventing material accumulation

The utility model discloses a discharge valve structure capable of preventing material accumulation. The discharge valve structure comprises a valve seat arranged at the lower part of a valve body, the valve rod is arranged in the valve body and penetrates through the neck of the valve body from top...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	QIU SHENGLI
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 discharge valve structure capable of preventing material accumulation. The discharge valve structure comprises a valve seat arranged at the lower part of a valve body, the valve rod is arranged in the valve body and penetrates through the neck of the valve body from top to bottom, and a valve body gap is formed between the valve rod and the neck of the valve body; the sealing ring is arranged between the valve rod and the neck of the valve body and wraps the outer surface of the valve rod in the circumferential direction; the isolation sleeve is arranged above the sealing ring and wraps the outer surface of the valve rod in the circumferential direction; the packing pressing plate is arranged at the top of the neck of the valve body, surrounds the valve rod and downwards abuts against the valve body gap; the packing combination is arranged between the packing pressing plate and the sealing ring; the upper thrust washer is arranged between the filler pressing plate and the filler