Negative pressure release safety valve

The utility model discloses a negative pressure release safety valve, and relates to the technical field of safety valves. The negative pressure release safety valve comprises a negative pressure mounting shell, the bottom end of the negative pressure mounting shell is fixedly connected with a negat...

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Bibliographische Detailangaben
Hauptverfasser:	CHEN YONG, TANG KEGANG
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 negative pressure release safety valve, and relates to the technical field of safety valves. The negative pressure release safety valve comprises a negative pressure mounting shell, the bottom end of the negative pressure mounting shell is fixedly connected with a negative pressure air suction connector, the bottom end of the negative pressure mounting shell is communicated with the negative pressure air suction connector, threads are arranged on the inner wall of the negative pressure air suction connector, an adjusting mechanism is arranged in the negative pressure mounting shell, and the adjusting mechanism is connected with the bottom end of the negative pressure mounting shell. The adjusting mechanism comprises a pressure adjusting nut, a fixing partition plate and a valve element sealing plate, the upper end and the lower end of the pressure adjusting nut are in a through state, and the side wall of the fixing partition plate is fixedly connected to the inner wall of the ne