Working principle of hydraulic solenoid valve

Working principle of hydraulic solenoid valve

Solenoid valve is an automatic basic element used to control fluid, which belongs to the actuator; it is not limited to hydraulic and pneumatic. Solenoid valves are used to control the direction of hydraulic flow. The mechanical devices of the factory are generally controlled by hydraulic steel, so solenoid valves will be used.

The working principle of the solenoid valve, there is a closed cavity in the solenoid valve, there are through holes in different positions, each hole leads to a different oil pipe, the middle of the cavity is the valve, two sides are two electromagnets, which side of the magnet coil Where the energized valve body will be attracted, by controlling the movement of the valve body to block or leak out different oil drain holes, and the oil inlet hole is normally open, hydraulic oil will enter different oil drain pipes and then pass The pressure of the oil pushes the piston of oil, the piston drives the piston rod, and the piston rod drives the mechanical device. In this way, by controlling the current of the electromagnet, the mechanical movement is controlled.

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