JPS63178677U - - Google Patents

Description

[Brief explanation of drawings]

Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is a cross-sectional view of a main part of another embodiment of the present invention, FIG. 3 is a cross-sectional view of a reversible valve according to another embodiment of the present invention, and FIG.
The figure shows an example of the use of the solenoid valve of the present invention. A...Solenoid valve, 1...Valve chamber, 2...Primary port, 3...Secondary port, 4...Main valve seat, 5...Plunger, 6...Pressure equalization path,
8...Vacancy, 10...Sub-valve seat, 11...Electromagnetic coil, 1
2... Attractor, 14... Spring means, 15... Main valve body, 1
6... Sub-valve body.

Claims (1)

[Scope of utility model registration request] In the solenoid valve, the plunger is slidably inserted into the valve chamber side wall with a minute gap, and the minute gap is used as a pressure equalization path for the valve chambers at both ends of the plunger, and the plunger is inserted from the end on the main valve body side to the suction element side. A cavity is bored toward the end, a sub-valve seat is formed that opens from the bottom of the cavity toward the suction element side end, and the plunger is directed toward the main valve seat in the suction element side valve chamber. 1. A solenoid valve comprising: a spring means for urging the sub-valve element toward the sub-valve seat;