Switch action mechanism of swing arm valve

The utility model discloses a switch action mechanism of a swing arm valve, which comprises an upper valve body, a lower valve body, a middle valve body, a rotating shaft assembly, a valve plate attached to the bottom end of the middle valve body, an inner rocker arm arranged in the lower valve body...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CHEN YUXIONG, CHEN JINGFENG, LUO ZHIBIN, CHEN YULONG, DENG PENGCHONG
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 switch action mechanism of a swing arm valve, which comprises an upper valve body, a lower valve body, a middle valve body, a rotating shaft assembly, a valve plate attached to the bottom end of the middle valve body, an inner rocker arm arranged in the lower valve body and a pneumatic mechanism used for driving the rotating shaft assembly to rotate, and the upper valve body, the middle valve body and the lower valve body are mutually connected. The rotating shaft assembly is connected with the valve plate through an inner rocker. The upper valve body and the middle valve body are respectively provided with a feeding port and a feeding hole which are communicated with each other, one side, close to the feeding hole, of the bottom end of the middle valve body is provided with a differential stop band used for changing the friction mode between the valve plate and the middle valve body, the material of the differential stop band is different from that of the middle valve body, and