Electromagnetic valve
A solenoid valve and valve seat technology, applied in the field of solenoid valves, can solve the problems of high processing cost, high energy consumption, and high energy consumption of solenoid valves for balance holes, so as to achieve energy saving effects, reduce cross-sectional area, and improve valve opening effect of ability
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[0013] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0014] Such as figure 1 , figure 2 As shown, the present invention includes a main valve and a pilot valve. The main valve includes a valve seat 15 with an inner cavity and a piston 12. The piston 12 is accommodated in the inner cavity of the valve seat 15 and can move axially. There are input hole 14, output hole 16 and pilot valve installation hole all connected with the inner cavity. The pilot valve installation hole is located at the upper end of the inner cavity of the valve seat, and its center line is in the same direction as the piston movement direction. The orifice of the output hole 16 is located at the valve seat. The bottom surface of the inner cavity of the seat is opposite to the end face of the piston; the piston 12 includes an upper end and a lower end, the diameter of the lower end is smaller than that of the upper end, an...
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