Patent ID: 8830017
Filing Date: 2014-09-09
Classification: H01H

Abstract:
1. A mini high-power magnetic latching relay, comprising a base seat, an insulation sleeve, a push rod, a magnetic circuit, and a contact part, wherein: said magnetic circuit comprises a magnetic enclosure, an iron core, a yoke, and a winding; said winding comprises a coil former and a coil wrapped on said coil former; one end of said yoke is a U-shaped end; said iron core penetrates through said coil for forming a fixed connection with the other end of said yoke; one end of said iron core is located at the center of said U-shaped end of said yoke to form an E-shaped gap; said magnetic enclosure is formed by a magnetic steel and two armatures vertically located on both ends of said magnetic steel through injection; a shaft of said magnetic enclosure is connected to said coil former; said two armatures and said magnetic steel are formed into a U shape; said two armatures are collaterally inserted into said E-shaped gap for alignment; said contact part comprises a dynamic contact pair and a static contact pair inserted into said base seat; said dynamic contact pair comprises a dynamic contact clip and a dynamic contact point; one end of said push rod is connected to said magnetic enclosure and the other end of said push rod is connected to said dynamic contact clip; said push rod comprises a push seat and two push arms integrated with said push seat; said push seat is tapped with a mounting hole; said magnetic enclosure is integrated with a push shaft; said push shaft is inserted into said mounting hole; an upper part of said insulation sleeve is provided with two push grooves with a position corresponding to that of said push arm; said push arm penetrates through said push groove; the end of said push arm is provided with two opposite slots; an upper part of said dynamic contact clip is provided with two U-notches with a position corresponding to that of said push arm; and the upper part of said dynamic contact clip as located on both sides of said U-notches is clamped into said slots.