JPS633104U - - Google Patents

Description

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

第１〜３図はこの考案にかかる電磁石装置の１
実施例をあらわし、第１図は組み立て斜視図、第
２図はそのＥ視図、第３図はコイルを省略した分
解斜視図である。 １……鉄心、１ａ……鉄心一端部、１ｂ……鉄
心他端部、２……コイル、３……第１永久磁石、
４……第１Ｌ形ヨーク、４ａ……第１Ｌ形ヨーク
の１辺、４ｂ……第１Ｌ形ヨークのもう１辺、５
……第２永久磁石、６……第２Ｌ形ヨーク、６ａ
……第２Ｌ形ヨークの１辺、６ｂ……第２Ｌ形ヨ
ークのもう１辺、７……第３ヨーク、７ａ，７ｂ
……第３ヨークの１組の対辺（第１永久磁石のＳ
極側および第２永久磁石のＮ極側に接している）
、７ｃ，７ｄ……第３ヨークのもう一組の対辺（
第１永久磁石のＳ極側と第２永久磁石のＮ極側を
磁気的につなぐとともに鉄心一端部および鉄心他
端部に対向する部分）。 Figures 1 to 3 show one example of the electromagnet device according to this invention.
An embodiment is shown in which FIG. 1 is an assembled perspective view, FIG. 2 is an E view thereof, and FIG. 3 is an exploded perspective view with the coil omitted. DESCRIPTION OF SYMBOLS 1... Iron core, 1a... Iron core one end part, 1b... Iron core other end part, 2... Coil, 3... First permanent magnet,
4...First L-shaped yoke, 4a... One side of the first L-shaped yoke, 4b... Another side of the first L-shaped yoke, 5
...Second permanent magnet, 6...Second L-shaped yoke, 6a
...One side of the second L-shaped yoke, 6b... The other side of the second L-shaped yoke, 7... Third yoke, 7a, 7b
...One pair of opposite sides of the third yoke (S of the first permanent magnet
(in contact with the pole side and the N pole side of the second permanent magnet)
, 7c, 7d... Another set of opposite sides of the third yoke (
(a portion that magnetically connects the S pole side of the first permanent magnet and the N pole side of the second permanent magnet and faces one end of the iron core and the other end of the iron core).

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 鉄心に巻回されたコイル、このコイルの一側に
配置された第１永久磁石、一辺でこの第１永久磁
石のＮ極側に接するとともにもう一辺に前記鉄心
一端部に対向する磁極部を有する第１Ｌ形ヨーク
、前記コイルの他側に配置された第２永久磁石、
一辺でこの第２永久磁石のＳ極側に接するととも
にもう一辺に前記鉄心他端部に対向する磁極部を
有していて第１Ｌ形ヨークとで前記コイルを側方
から挾む第２Ｌ形ヨーク、第１永久磁石のＳ極側
と第２永久磁石のＮ極側を磁気的につなぐととも
に前記鉄心一端部および鉄心他端部に対向する部
分を有し、前記コイルの側方に配置される第３ヨ
ークをそれぞれ備えていて、前記鉄心は、前記コ
イルの動きで、その一端部が第１Ｌ形ヨーク磁極
部とこれに対向する前記ヨークの部分との間で正
逆移動するとともに、その他端部が第２Ｌ形ヨー
ク磁極部とこれに対向する前記ヨークの部分との
間で正逆移動するように、正逆移動するようにな
つており、第１Ｌ形ヨーク、第２Ｌ形ヨークおよ
び第３ヨークが前記コイルの厚み内に納まつてい
る電磁石装置。 A coil wound around an iron core, a first permanent magnet placed on one side of the coil, one side in contact with the N pole side of the first permanent magnet, and the other side having a magnetic pole part facing one end of the iron core. a first L-shaped yoke; a second permanent magnet disposed on the other side of the coil;
A second L-shaped yoke that is in contact with the S-pole side of the second permanent magnet on one side and has a magnetic pole portion facing the other end of the iron core on the other side, and that sandwiches the coil from the side with the first L-shaped yoke. , has a portion that magnetically connects the S pole side of the first permanent magnet and the N pole side of the second permanent magnet and faces the one end of the iron core and the other end of the iron core, and is disposed on the side of the coil. Each of the iron cores is provided with a third yoke, and one end of the iron core moves forward and backward between the first L-shaped yoke magnetic pole part and a part of the yoke that opposes the first L-shaped yoke magnetic pole part, and the other end thereof The first L-shaped yoke, the second L-shaped yoke, and the third An electromagnetic device in which a yoke is contained within the thickness of the coil.