Wafer type check valve

The utility model relates to the technical field of check valves, and discloses a wafer type check valve which comprises a device body, a valve clack is arranged in the device body, a movable column is fixedly connected to the lower surface of the valve clack, a bearing round block is connected to t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LIN CAIXIA, ZHANG GUANTAO, ZHANG LINHAO
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 PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TAPS THERMAL INSULATION IN GENERAL TRANSPORTING VALVES WEAPONS
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Beschreibung
Zusammenfassung:	The utility model relates to the technical field of check valves, and discloses a wafer type check valve which comprises a device body, a valve clack is arranged in the device body, a movable column is fixedly connected to the lower surface of the valve clack, a bearing round block is connected to the outer surface of the movable column, a connecting round block is fixedly connected to the lower surface of the bearing round block, and the connecting round block is fixedly connected to the lower surface of the device body. The outer surface of the connecting round block is sleeved with a spring, and the outer surface of the moving column is sleeved with the spring. According to the wafer type check valve, deformation in the side direction of the spring can be effectively prevented, the service life of the spring is prolonged, meanwhile, substances can pass through the device body more easily, the pressure intensity in a pipeline is reduced, the service life of the pipeline is prolonged, meanwhile, the sealing