JPS605279U - Permanent magnet stepping motor - Google Patents

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

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

第１区から第３図は従来の永久磁石形ステッピングモー
タに係り、第１図は回転子を示す斜視図、第２図は固定
子を示す斜視図、第３図は第２図の固定子に使用される
固定子板を示す斜視図であり、第４図から第７図は本考
案の永久磁石形ステッピングモータに係り、第４図は回
転子と固定子とを組合せた状態を示す斜視図、第５図は
第４図の縦断面図、第６図は回転子の斜視図、第７図は
固定子板を示し第４図の部分断面斜視図である。 １４・・・回転軸、１５．１６・・・円板、２１，２２
゜２３．２４・・・固定子板、２５．２６・・・コイル
。Figures 1 to 3 relate to a conventional permanent magnet stepping motor, where Figure 1 is a perspective view showing the rotor, Figure 2 is a perspective view showing the stator, and Figure 3 is the stator shown in Figure 2. 4 to 7 relate to the permanent magnet stepping motor of the present invention, and FIG. 4 is a perspective view showing a state in which a rotor and a stator are combined. FIG. 5 is a longitudinal sectional view of FIG. 4, FIG. 6 is a perspective view of the rotor, and FIG. 7 is a partially sectional perspective view of FIG. 4 showing the stator plate. 14... Rotating shaft, 15.16... Disc, 21, 22
゜23.24... Stator plate, 25.26... Coil.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 環状部の内周縁から内方に向けて水平に延びた舌片状の
磁極歯を複数布する少なくとも２枚のヨーク板を軸方向
に沿って配置し、そのヨーク板の間に、周方向に沿って
Ｎ極とＳ極か交互に着磁された永久磁石よりなる円板を
有する回転子と、前記ヨーク板を所望の磁極に励磁する
コイルとを配置したことを特徴とする永久磁石形ステッ
ピングモータ。At least two yoke plates each having a plurality of tongue-shaped magnetic pole teeth extending horizontally inward from the inner peripheral edge of the annular portion are arranged along the axial direction, and between the yoke plates, 1. A permanent magnet stepping motor comprising: a rotor having a disk made of permanent magnets alternately magnetized to north and south poles; and a coil for exciting the yoke plate to a desired magnetic pole.