JPH03124447U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の第一の実施例を示す電磁継電
器の分解斜視図、第２図ａ〜ｃはそれぞれ第１図
における電磁継電器主要構造の動作原理図、第３
図は本考案の第二の実施例を示す電磁継電器の分
解斜視図、第４図ａ，ｂはそれぞれ第１図あるい
は第３図に示す放熱板の一例を表わす斜視図およ
びＡ−Ａ断面図、第５図は第４図ａと同様の放熱
板の他の例を表わす斜視図、第６図は従来の一例
を示す電磁継電器の分解斜視図、第７図ａ〜ｃは
それぞれ第６図に示す電磁継電器の主要構造の動
作原理図である。 １……鉄心、２……永久磁石、３……接極子、
４……可動接点、５……ヒンジばね部、６……可
動接点ばね、７……絶縁固定体、８……コイル端
子、９……コイルスプール、１２……固定接点、
１３……固定接点端子、１４……中立端子、１５
……コイル導出端子、１６……絶縁体基台、１７
……カバー、２１……放熱板、２２……貫通孔、
２１ａ，２１ｂ……ヒートシンク構造。 Fig. 1 is an exploded perspective view of an electromagnetic relay showing the first embodiment of the present invention, Figs.
The figure is an exploded perspective view of an electromagnetic relay showing a second embodiment of the present invention, and FIGS. 4a and 4b are a perspective view and an A-A sectional view showing an example of the heat sink shown in FIG. 1 or 3, respectively. , Fig. 5 is a perspective view showing another example of a heat sink similar to Fig. 4a, Fig. 6 is an exploded perspective view of an electromagnetic relay showing a conventional example, and Figs. 7 a to c are respectively Fig. 6. FIG. 3 is a diagram of the operating principle of the main structure of the electromagnetic relay shown in FIG. 1... Iron core, 2... Permanent magnet, 3... Armature,
4... Movable contact, 5... Hinge spring portion, 6... Movable contact spring, 7... Insulated fixed body, 8... Coil terminal, 9... Coil spool, 12... Fixed contact,
13... Fixed contact terminal, 14... Neutral terminal, 15
... Coil lead-out terminal, 16 ... Insulator base, 17
... Cover, 21 ... Heat sink, 22 ... Through hole,
21a, 21b... Heat sink structure.

Claims (1)

【実用新案登録請求の範囲】 １ コイルを巻回したコ字状鉄心の中央部に永久
磁石を配置して形成されたコイル組立体と、前記
鉄心の両端部に自己の両端部が対向するように配
置された接極子と前記接極子の両端部が前記鉄心
の両端部の間で接触および開離する傾動運動を支
持するヒンジばね部および前記接極子の傾動運動
に連動する可動接点ばねとを絶縁体で一体固定し
た接極子組立体と、前記コイル組立体を上部の開
口部に配置するとともに、箱形形状を有し且つ前
記永久磁石の一端が前記接極子の傾動運動の支点
となるように前記接極子組立体を配置したとき、
前記可動接点ばねの可動接点に対向する固定接点
を有する固定接点端子および前記ヒンジばね部の
一端に接続される中立端子が植設された絶縁体基
台と、前記絶縁体基台を覆うように下部を開口し
た箱形のカバーと、前記可動接点が前記固定接点
から開離してから前記可動接点ばねに接触するよ
うに前記絶縁基台もしくは前記カバーの一方に設
置された金属板からなる略矩形状の放熱板とを有
することを特徴とする電磁継電器。 ２ 請求項１記載の放熱板はヒートシンク構造を
有することを特徴とする電磁継電器。 ３ 請求項１記載の放熱板は表面積を大きくした
波形もしくは円筒状の部分を有することを特徴と
する電磁継電器。[Claims for Utility Model Registration] 1. A coil assembly formed by arranging a permanent magnet in the center of a U-shaped iron core around which a coil is wound, and the coil assembly having its own ends facing both ends of the iron core. a hinge spring portion that supports a tilting motion in which an armature disposed in the armature and both ends of the armature contact and separate from each other between both ends of the iron core; and a movable contact spring that is interlocked with the tilting motion of the armature. An armature assembly integrally fixed with an insulator and the coil assembly are disposed in an upper opening, and the armature has a box shape and one end of the permanent magnet serves as a fulcrum for tilting movement of the armature. When the armature assembly is placed in
an insulator base on which a fixed contact terminal having a fixed contact facing the movable contact of the movable contact spring and a neutral terminal connected to one end of the hinge spring portion are implanted; A substantially rectangular box consisting of a box-shaped cover with an open bottom, and a metal plate installed on one of the insulating base or the cover so that the movable contact comes into contact with the movable contact spring after being separated from the fixed contact. An electromagnetic relay characterized by having a shaped heat sink. 2. An electromagnetic relay, wherein the heat sink according to claim 1 has a heat sink structure. 3. An electromagnetic relay characterized in that the heat sink according to claim 1 has a corrugated or cylindrical portion with a large surface area.