Bottle valve

The utility model discloses a bottle head valve which comprises a valve body and a piston assembly, a first airflow channel and a second airflow channel which are communicated with each other are arranged in the valve body, gas in a gas cylinder sequentially passes through the first airflow channel...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZHENG QIN, SHI RUIJUN, WENG GUODONG
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 bottle head valve which comprises a valve body and a piston assembly, a first airflow channel and a second airflow channel which are communicated with each other are arranged in the valve body, gas in a gas cylinder sequentially passes through the first airflow channel and the second airflow channel and flows out of the valve body, and the piston assembly is movably arranged in the valve body. A first airflow channel and a second airflow channel are arranged in the valve body and control on-off of the first airflow channel and the second airflow channel, an air chamber is arranged between the piston assembly and the valve body, and the air chamber is suitable for being filled with air and driving the piston assembly to press the valve body so that communication between the first airflow channel and the second airflow channel can be cut off. The other end of the communicating pipe communicates with the air chamber through a control assembly, and the control assembly is suitable fo