Self-closing valve suitable for carbon dioxide gas cylinder

The invention relates to the technical field of gas cylinder valves, in particular to a self-closing type valve suitable for a carbon dioxide gas cylinder, which comprises a valve body, a first pressing cap, a second pressing cap, a second valve rod, a first valve rod and a spring, a gas inlet is fo...

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Bibliographische Detailangaben
Hauptverfasser:	TIAN XIAOJIE, SHEN SUWEN, CHEN HUI, TAN LIHUAN
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 relates to the technical field of gas cylinder valves, in particular to a self-closing type valve suitable for a carbon dioxide gas cylinder, which comprises a valve body, a first pressing cap, a second pressing cap, a second valve rod, a first valve rod and a spring, a gas inlet is formed in the lower end of the valve body, the gas inlet is communicated with a gas inlet channel, and the first pressing cap is arranged at the upper end of the valve body; the first pressing cap is provided with an air outlet channel, the side wall of the first pressing cap is provided with an air outlet, the air outlet and the air inlet are communicated through the air inlet channel and the air outlet channel, the second valve rod is arranged in the air outlet channel, the first valve rod can push the second valve rod, and the spring is arranged at one end of the second valve rod. The air outlet is formed in the side edge, the air inlet is communicated with the air outlet through the air inlet channel and the air