JPH02150749U - - Google Patents

Description

[Brief explanation of drawings]

FIG. 1 is a perspective view of essential parts showing Embodiment 1 of the present invention;
Fig. 2 is an exploded perspective view of main parts showing a second embodiment of the present invention, Fig. 3 is a sectional view showing a sealed relay according to the invention, Fig. 4 is an explanatory diagram of the same operation, and Fig. 5 is a conventional example. FIG. 10...Case, 11...Base, 12...Cover, 21...Amachiure, 22...Yoke, 2
5... Coil, 26a, 26b... Magnetic pole plate, 27
... Permanent magnet, 28 ... Shunt, 28a ... Leg piece, 28b ... Bridge piece, 28c ... Protrusion, 28d
...Engagement recess, 29...Holding frame, 29a...Engagement protrusion.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) A case formed of a base made of a magnetic material, a cover that is hermetically fitted to the base, and an armature whose one end is swingably pivoted to the base. In a sealed relay comprising a polarized electromagnet device fixed on a base, and a contact mechanism section provided at a fixed position on the base and opened and closed as the armature swings, the polarized electromagnet device includes: A coil wound around the armature so that the armature can swing freely; a first magnetic pole plate having one end magnetically coupled to the base; and a second magnetic pole plate facing the first magnetic pole plate. , a permanent magnet that is partially interposed between the two magnetic pole plates and magnetizes the two magnetic pole plates to different polarities, and a first magnetic pole plate, the base, the armature, and the second magnetic pole plate are passed between the two poles of the permanent magnet. A shunt magnetically couples key points between the first magnetic pole plate and the second magnetic pole plate so as to shunt the magnetic path, and the shunt connects a pair of substantially parallel leg pieces to a bridging piece. The bridging piece is fixed in contact with one of the magnetic pole plates, and the tips of the protrusions protruding from each of the leg pieces are in contact with the other magnetic pole plate. A sealed relay consisting of (2) A case formed by a base made of a magnetic material and a cover hermetically fitted to the base, and an armature whose one end is swingably supported on the base, and is fixed on the base. In a sealed relay equipped with a polarized electromagnet device and a contact mechanism section that is provided at a fixed position on the base and opens and closes as the armature swings, the polarized electromagnet device is designed so that the armature can swing freely. A coil wound around the armature, a first magnetic pole plate having one end magnetically coupled to the base, a second magnetic pole plate facing the first magnetic pole plate, and a part between the two magnetic pole plates. A permanent magnet is interposed to magnetize both magnetic pole plates to different polarities, and a magnetic path passing through the first magnetic pole plate, the base, the armature, and the second magnetic pole plate is shunted between the two poles of the permanent magnet. The shunt is provided with a shunt that magnetically couples key points between the first magnetic pole plate and the second magnetic pole plate, and the shunt is formed in a shape in which a pair of substantially parallel leg pieces are connected via a bridging piece. , the first magnetic pole plate, the second magnetic pole plate, and a part of the permanent magnet are surrounded by a synthetic resin holding frame integrally molded at the same time, and the shunt is such that a bridging piece is attached to one of the magnetic pole plates. The shunts are disposed facing each other, and the engagement protrusion formed on one of the holding frame and the leg piece engages with the engagement recess formed on the other, thereby coupling the shunt to the holding frame. Sealed type relay.