JPS613622U

JPS613622U - DC magnetic contactor

Info

Publication number: JPS613622U
Application number: JP8850184U
Authority: JP
Inventors: 幸太郎富岡; 三男石原
Original assignee: 富士電機株式会社
Priority date: 1984-06-14
Filing date: 1984-06-14
Publication date: 1986-01-10
Also published as: JPH0330971Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図ないし第７図はこの考案による直流電磁接触器の
一実施例を示す図で、第１図は接点部縦断面、第２図は
接点部横断面図、第３図は消弧室の平面図、第４図は第
３図の一部破断した側面図、第５図は第３図の正面図、
第６図ｉよび第７一図は第３図の要部斜視図、第８図な
いし第１０図は従来の直流電磁接触器の一例を示す図で
第８図は上半分に縦断面を示す側面図、第９図は第８図
の平面図、第１０図は消弧室の斜視図である。２ａｔ２ｂ・・・固定接触子、３・・・連動杆、４・・
・可動接触子、６・・・電磁石、９・・・永久磁石、１
１・・・上面カバー、１１ｃ・・・フック、１１ｄ・・
・角窓、１２・・・アーク遮蔽ブロック、１２ａ・・＝
Ｕ字状溝、１２ｂ・・・側壁、１２ｃ・・・ガス抜き孔
、１２ｄ・・・突起、１２ｅ・・・両側壁、１２ｆ・・
・案内凹所、１２ｈ・・・段部、１２ｉ・・・保護壁、
１３′・・・磁極板。Figures 1 to 7 are diagrams showing an embodiment of the DC magnetic contactor according to this invention, in which Figure 1 is a vertical cross-section of the contact portion, Figure 2 is a cross-sectional view of the contact portion, and Figure 3 is an arc extinguishing chamber. 4 is a partially broken side view of FIG. 3, FIG. 5 is a front view of FIG. 3,
Figures 6i and 71 are perspective views of the main parts of Figure 3, Figures 8 to 10 are diagrams showing an example of a conventional DC magnetic contactor, and Figure 8 shows a vertical section in the upper half. A side view, FIG. 9 is a plan view of FIG. 8, and FIG. 10 is a perspective view of the arc extinguishing chamber. 2at2b...fixed contact, 3...interlocking rod, 4...
・Movable contactor, 6... Electromagnet, 9... Permanent magnet, 1
1...Top cover, 11c...Hook, 11d...
・Corner window, 12...Arc shielding block, 12a...=
U-shaped groove, 12b...side wall, 12c...gassing hole, 12d...protrusion, 12e...both side walls, 12f...
・Guide recess, 12h... step, 12i... protective wall,
13'...Magnetic pole plate.

Claims

[Scope of utility model registration request]

(1) A pair of fixed contacts facing each other at a distance, and a movable link supported by an interlocking rod that is supported so as to be able to reciprocate between the opposing fixed contacts, bridging the fixed contacts. A DC electromagnetic contactor comprising a contact, an electromagnet that drives the interlocking rod and controls the contact and separation between the fixed contact and the movable contact, and an arc extinguishing chamber having a permanent magnet with a polarity perpendicular to the energization direction, The arc-extinguishing chamber is constituted by an upper cover molded from a thermoplastic resin and an arc shielding block molded from a thermosetting resin to cover the contact points of the fixed one contactor and the movable one contactor. A DC electromagnetic contactor characterized in that the contactor engages with a locking hook provided on an upper cover.

(2) Utility model registration scope In the DC electromagnetic contactor according to claim 1, the arc shielding block includes a stepped portion that engages with the locking hook of the upper cover and a corner formed in the locking hook portion of the upper cover. A DC electromagnetic contactor characterized by having a protrusion that fits into a window.

(3) Utility model registration In the DC electromagnetic contactor according to claim 1 or 2, the arc shielding block has a U-shaped groove on its front side in which the permanent magnet is set, and A DC electromagnetic contactor characterized by having a guide recess for guiding a magnetic pole plate on the outside.

(4) In the DC electromagnetic contactor according to claims 1 to 3 of the utility model registration claim, the arc shielding block has a gas vent hole on the front side at right angles to the current direction, and the back side is bent. A DC electromagnetic contactor comprising a side wall that covers a mounting portion of the fixed contact.