Regulating mechanism for counterweight arm of flap valve

The utility model provides a flap valve balance weight arm adjusting mechanism which comprises a valve plate shaft rotationally arranged on a shell of a flap valve, the middle portion of the valve plate shaft is connected with a valve plate, the two end portions of the valve plate shaft are connecte...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KONG PANHONG, JIANG XIAOJUAN, YUAN HU, JIANG CHUNXIAO, GUO RONGXUN, ZHAO YUANYUAN
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 provides a flap valve balance weight arm adjusting mechanism which comprises a valve plate shaft rotationally arranged on a shell of a flap valve, the middle portion of the valve plate shaft is connected with a valve plate, the two end portions of the valve plate shaft are connected with balance weight arms, and the valve plate and the suspended end of each balance weight arm are arranged on the two sides of the valve plate shaft respectively. A connecting through hole matched with the valve plate shaft is formed in one end of the balance weight arm, at least one limiting block is arranged on any one of the connecting through hole and the valve plate shaft in the circumferential direction of the connecting through hole and the valve plate shaft, and limiting holes with the number not smaller than that of the limiting blocks are formed in the other connecting through hole and the valve plate shaft in the circumferential direction of the connecting through hole and the valve plate shaft. And t