Check valve

The utility model relates to a check valve, comprising a hollow pyramidal valve body and a rubber pad. A through hole is arranged on the cone surface of the valve body and can form reticular arrangement on the cone surface, and the rubber pad is covered on the inner cone surface of the valve body an...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JICHENG RUAN, HEJI YANG
Format:	Patent
Sprache:	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 check valve, comprising a hollow pyramidal valve body and a rubber pad. A through hole is arranged on the cone surface of the valve body and can form reticular arrangement on the cone surface, and the rubber pad is covered on the inner cone surface of the valve body and fixed on the valve body through screw nails. At this time, obvious diameter reduction phenomenon does not exist in the inner part of the valve body, and the surface area of the cone surface is large. Therefore, when fluid with pressure passes through the through hole from the outer cone surface of the valve body and pushes away the rubber pad to flow out, the pressure loss is little. When the fluid stops flowing and the rubber pad is covered on the inner cone surface of the valve body again, the large noise in closing the valve can not generate. In addition, the check valve has no specific requirement for the installation direction.