JPS59191875U - Rotor structure of PM type 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図は従来のモーターの断面図。第２図は、本考案の
継鉄を中ぐりしたモーターの断面図。第３図は、本考案
の中ぐり加工を継鉄両側より施したモーターの断面図。 第４図は、本考案の外ぐり加工を継鉄外側より施したモ
ーターの断面図。 １・・・・・・出力軸、２・・・・・・継鉄、３，４・
・・・・・ローターマグネット、５・・・・・・励磁ス
テーター、６・・・・・・固定コイル、７・・・・・・
軸受。Figure 1 is a cross-sectional view of a conventional motor. Figure 2 is a cross-sectional view of a motor with a hollowed-out yoke of the present invention. Figure 3 is a cross-sectional view of a motor in which the inventive boring process has been applied from both sides of the yoke. FIG. 4 is a cross-sectional view of a motor that has been subjected to the boring process of the present invention from the outside of the yoke. 1... Output shaft, 2... Yoke, 3, 4...
...Rotor magnet, 5...Exciting stator, 6...Fixed coil, 7...
bearing.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 外周部に固定コイルと励磁ステーターをもち、その中心
にある磁石と継鉄からなるローターが回転スるステッピ
ングモーターにおいて、該継鉄が中ぐり或いは外ぐり形
状をもつことを特徴とする、ＰＭ型ステッピングモータ
ーのローター構造。A PM type stepping motor has a fixed coil and an excitation stator on the outer periphery, and a rotating rotor consisting of a magnet and a yoke in the center, and the yoke has a bored or bored shape. Stepper motor rotor structure.