Normally closed medium pressure solenoid valve

Abstract

The utility model provides a normally closed medium pressure solenoid valve, including main valve subassembly and electromagnetic subassembly, the front end of main valve subassembly is opened with main inflow channel, the rear end of main valve subassembly is opened with main outflow channel, the inside of main valve subassembly is opened with control chamber, be provided with sealing spring and sealing piston in control chamber, be opened with pilot channel on sealing piston, the upper end of main valve subassembly is opened with installation groove, the inside of main valve subassembly is provided with vice inflow channel and vice outflow channel, electromagnetic subassembly includes magnetic isolation pipe, movable core, return spring and electromagnetic coil, the inside of main valve subassembly is provided with detection chamber, be provided with microswitch in detection chamber, the lower end of sealing piston is connected with trigger rod, and trigger rod stretches into detection chamber. Setting microswitch and signal transmitter in detection chamber are used for monitoring the opening and closing state of solenoid valve, avoid causing safety accident because of misoperation.

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