JPS6135581U

JPS6135581U - stepper motor

Info

Publication number: JPS6135581U
Application number: JP11802584U
Authority: JP
Inventors: 久仁昭村松; 長芳金田; 道寛鳥居
Original assignee: 富士電気化学株式会社
Priority date: 1984-07-31
Filing date: 1984-07-31
Publication date: 1986-03-05

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図は本考案に係るステツパモータの一実施例を示す
断面図、第２図はそのステータヨーク側の磁極歯の配列
状態を示す説明図、第３図はロータ磁石の着磁パターン
の一例を示す説明図、第４図はコイル通電時における磁
路の一例を示す説明図である。１・・・ロータ、２・・・ステータ、４・・・ロータヨ
ーク、５・・・磁石、７・・・回転軸、訃・・磁極歯、
９・・・ステータヨーク、１０・・・コイル。Fig. 1 is a sectional view showing an embodiment of the stepper motor according to the present invention, Fig. 2 is an explanatory view showing the arrangement of magnetic pole teeth on the stator yoke side, and Fig. 3 is an example of the magnetization pattern of the rotor magnet. FIG. 4 is an explanatory diagram showing an example of a magnetic path when the coil is energized. 1... Rotor, 2... Stator, 4... Rotor yoke, 5... Magnet, 7... Rotating shaft, End... Magnetic pole tooth,
9... Stator yoke, 10... Coil.

Claims

[Scope of utility model registration request]

The rotor has a structure in which disk-shaped magnets are attached to the front and back sides of the rotor yoke, and the inner and outer circumferences of the magnets are magnetized in the thickness direction, and the stator faces the magnet surface of the rotor. , and has a structure in which a large number of magnetic pole teeth facing each other on the inner circumferential side and the outer circumferential side, a coil is built in, and a magnetic path between the opposing magnetic pole teeth is continuous by a stator yoke, and the stator is disposed on both sides of the rotor. Stepper motor.