JPS5890079U

JPS5890079U - Permanent magnet stepping motor

Info

Publication number: JPS5890079U
Application number: JP18407481U
Authority: JP
Inventors: 康宏近藤; 高橋　恵市; 弘明鬼塚; 西本　克也; 竹下　初男; 富士夫佐藤; 今別府　祐郎; 牛尾　淳一
Original assignee: 松下電器産業株式会社
Priority date: 1981-12-10
Filing date: 1981-12-10
Publication date: 1983-06-18

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 the drawing]

第１図は従来の永久磁石型ステッピングモータ　　−の
一部を切欠いて示す斜視図、第２図は同ステータヨーク
及びブラケットの斜視図、第３図は本考案の一実施例に
かかるモータのステータヨーク部の断面図、第４図は米
考案の他の実施例にかかるステータヨーク部の断面図で
ある。１・・・・・・回転子軸、２・・・・・・第１のステー
タヨーク、３・・・・・・第２のステータヨーク、２ａ
、３ａ・・・・・・極歯、４・・・・・・ステータ巻線
、５・・・・・・永久磁石回転子、９・・・・・・合成
樹脂部、９ａ・・・・・・軸受ハウジング部、９ｂ・・
・・・・ブラケット部。第１図第２図Fig. 1 is a partially cutaway perspective view of a conventional permanent magnet stepping motor, Fig. 2 is a perspective view of the stator yoke and bracket, and Fig. 3 is a stator of a motor according to an embodiment of the present invention. FIG. 4 is a sectional view of a stator yoke according to another embodiment of the invention. DESCRIPTION OF SYMBOLS 1... Rotor shaft, 2... First stator yoke, 3... Second stator yoke, 2a
, 3a...Pole tooth, 4...Stator winding, 5...Permanent magnet rotor, 9...Synthetic resin part, 9a...・・Bearing housing part, 9b・・
...Bracket part. Figure 1 Figure 2

Claims

[Scope of utility model registration request]

a first stator yoke having a plurality of comb-like pole teeth parallel to the rotor axis at equal intervals on an inner circumferential surface; a second stator yoke having comb-like pole teeth located between the comb-like pole teeth of the yoke; and a stator winding housed in a space surrounded by the first stator yoke and the second stator yoke. a permanent magnet rotor fixed to the rotor shaft and facing the comb-like pole teeth of the first stator yoke and the second stator yoke with a slight gap therebetween; A permanent magnet, in which a stator yoke and a second stator yoke are integrally molded with synthetic resin, and a housing part of a bearing that supports the rotor shaft and a bracket part that supports it are integrally formed in the synthetic resin part. type stepper motor.