Keihin Corporation

Masayuki Shibata

Shigeto Ryuen

Akira Nagasaki

Shinichiro Tomoda

Noboru Hino

Katsumi Shirai

Hiroshi Yoshizawa

A solenoid valve includes a coil assembly accommodated in a solenoid housing having an end wall at one end thereof. A stationary core is magnetically coupled to the end wall and inserted into one end of a center bore, and a movable core opposed to the stationary core is inserted into the other end of the center bore. A yoke plate opposed to the other end of the coil assembly is coupled to the other end of the solenoid housing, and a collar made of a non-magnetic material adapted to guide the axial movement of the movable core is inserted into the other end of the center bore through a central portion of the yoke plate. A rod operatively connected to the movable core is connected to a valve member accommodated in a valve housing connected to the solenoid housing. In such solenoid valve, in order to facilitate the processing and assembling of the collar, the movable core and the rod and to provide a reduction in cost, the valve housing is provided with a guide for guiding the axial movement of the rod, and one end of the rod is put into coaxial abutment against the other end of the movable core.

Solenoid valve

In a solenoid valve device in which connection terminals, each of which is connected to one of a plurality of solenoid valves fixed in a mounting block, are placed inside a common coupler, a coupler assembly integrally comprising the coupler is detachably mounted on the mounting block at a position which is spaced back from each of the solenoid parts, and elastic connecting members made from an electrically conductive metal are provided between each of a plurality of first flat terminals which are fixedly positioned on the side of the coupler assembly facing the mounting block so as to connect to the corresponding electrically conductive lead members arranged in the coupler assembly and second flat terminals, each of which is arranged at the rear end of each of the solenoid parts so as to be individually opposite the first flat terminals. The solenoid part of each of the solenoid valves and the respective connection terminals inside the coupler can thus be connected and disconnected extremely easily and, moreover, any erroneous connection can be avoided.

Solenoid valve device

Growing community of inventors

Miyagi, Japan

Masayuki Shibata