Break away coupling valve

The invention discloses a break away coupling valve. The break away coupling valve comprises a piston type sealing structure and further comprises a second valve body, the piston type sealing structure is arranged in a first valve body, a second valve element is arranged in the second valve body, th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG YUN, DING HUAYUN, GAO TAO, LU RUIRUI, XIAO GANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES FIXED-CAPACITY GAS-HOLDERS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING STORING OF DISTRIBUTING GASES OR LIQUIDS TAPS THERMAL INSULATION IN GENERAL VALVES VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES WEAPONS
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Beschreibung
Zusammenfassung:	The invention discloses a break away coupling valve. The break away coupling valve comprises a piston type sealing structure and further comprises a second valve body, the piston type sealing structure is arranged in a first valve body, a second valve element is arranged in the second valve body, the second valve element and the second valve body move relatively, and a lock catch mechanism is arranged between the second valve element and the second valve body; and the second valve body is fixedly connected with the first valve body, and the second valve element is fixedly connected with the first valve element. A 90-degree included angle is formed between an air inlet and an air outlet, so that inlet air enters from the side face of a valve body, a pull-off mechanism and filling gas are separated, lubricating oil and medium gas can be separated, the quality of the medium gas is not affected, sealing is conducted through the piston structure, the whole valve body is simple in sealing mode and few in sealing po