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Powerful open solenoid valve and three-way solenoid valve

A strong open solenoid valve is often used in vegetable storage, which is also indirectly opened. The utility model is characterized in that the auxiliary valve rod driven by the core iron is connected with the main valve 5 of the piston. After the electromagnetic coil is energized, the core iron is sucked up, the auxiliary valve stem is pulled, and after the auxiliary valve hole is opened, the main valve can be lifted up by electromagnetic force. Therefore, the main valve can be opened even when the pressure difference between the inlet and outlet of the valve is small. This solenoid valve is suitable for use in suction ducts where the pressure drop is very small.

The three-way solenoid valve has the same part as the structure of the ordinary solenoid valve, and the top of the core iron also has a valve disc for controlling the opening and closing of the top nozzle. The gap between the top nozzle and the lower left and right conduits is communicated via the gap between the core iron and the sleeve. According to the energization or de-energization of the electromagnetic coil, different ways of connecting the three pipelines can be achieved.

When the solenoid valve is not energized, the core iron falls to the bottom, the pinhole of the lower part of the core iron is closed, and the upper valve is opened, so that the pipeline is cut off and the pipeline is connected. When the time is passed, the core iron is sucked up, the valve on the upper part of the core iron is closed, and the lower needle valve is opened, so that the pipeline is closed and the pipeline is connected. Since the core iron can only have two positions, it cannot be connected at the same time in three ways.

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