JPH0171284U - - Google Patents

Description

[Brief explanation of drawings]

Figure 1 is a cutaway front view of one embodiment of the present invention;
The figure is a front view of the yoke 13, FIG. 3 is a top view of FIG. 2, FIG. 4 is a bottom view of FIG. 2, and FIG.
FIG. 6 is a partially enlarged view of the section taken along the line AA in the figure, and FIG. 6 is a cutaway front view of the conventional embodiment. 1... Valve body, 8... Electromagnet device, 9... Plunger, 10... Movable valve, 11... Electromagnetic coil,
12... Spring 12, 13... Yoke, 14
... Fixed iron core, 16 ... Bobbin, 17 ... Seal guide, 18 ... O ring, 19 ... Recess, 21
...Solenoid valve 21.

Claims (1)

[Scope of utility model registration request] A movable valve is reciprocated in a direction perpendicular to a valve seat surface of a valve hole formed on a fluid flow path that communicates a fluid inlet and an outlet of a valve body to open and close the valve hole or change the flow path area. and an electromagnet device that causes the movable valve to reciprocate by excitation of an electromagnetic coil and a biasing force of a spring with the movable valve attached to the plunger, forming a magnetic path together with the plunger. a fixed iron core for attracting the plunger at a position of the yoke facing the rear end surface of the plunger; an outer circumference of a seal guide for guiding the reciprocating motion of the plunger inserted into the inner peripheral surface of the bobbin of the electromagnetic coil; and the yoke. A magnetic passage structure for an electromagnet device for a solenoid valve, characterized in that a recess for inserting an O-ring for tightly fitting between a seal guide and a yoke is integrally formed by pressing.