Safety valve

The utility model relates to a safety valve, which comprises a valve body and a valve switch which is arranged on the valve body. A belt wheel is arranged on the valve switch, and is connected with a power output shaft of a motor by a belt and a speed changing gear. The belt wheel is provided with a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	JIAHENG TAN
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BASIC ELECTRONIC CIRCUITRY BLASTING COCKS DEVICES FOR VENTING OR AERATING ELECTRICITY ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING PULSE TECHNIQUE TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	The utility model relates to a safety valve, which comprises a valve body and a valve switch which is arranged on the valve body. A belt wheel is arranged on the valve switch, and is connected with a power output shaft of a motor by a belt and a speed changing gear. The belt wheel is provided with a magnet, and the valve body is provided with a switch circuit which controls the motor. The utility model monitors the existence of liquid via two contact heads of the switch circuit, and controls the motor to drive, via the speed changing gear and the belt, the belt wheel which is connected with the valve to rotate so as to open or close the valve. The utility model can ensure that the valve is completely closed and completely open without being influenced by whether the water is pure. When water is in a water pipe, normal use of water is not affected and the mounting position of the valve is unrestricted. The utility model has the advantages of safety, long service life and anticorrosion.