JPS60108154U

JPS60108154U - small dc motor

Info

Publication number: JPS60108154U
Application number: JP20416583U
Authority: JP
Inventors: 本郷　彰一; 伊藤　稜威
Original assignee: 松下電工株式会社
Priority date: 1983-12-23
Filing date: 1983-12-23
Publication date: 1985-07-23

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図および第２図は従来の小型直流モータの構成図、
第３図および第４図は本考案の一実施例にかかる小型直
流モータの構成図、第５図および第６図はロータの鉄心
構成を示す斜視図、第７図および第８図は夫々他の鉄心
構成を示す斜視図である。１・・・回転軸、２・・・軸受、３，４・・・鉄心、４
ａ・・・軸受遊合孔、５・・・コイル、６・・・絶縁部
材、６ａ・・・リブ、７・・・ロータ、８・・・整流子
、９・・・マグネット、１０・・・ケース、１１・・・
刷子板、１２・・・刷子１．１３・・・端子、１４・・
・溶接部。第１図第３図Figures 1 and 2 are configuration diagrams of a conventional small DC motor.
3 and 4 are configuration diagrams of a small DC motor according to an embodiment of the present invention, FIGS. 5 and 6 are perspective views showing the rotor core configuration, and FIGS. 7 and 8 are respectively FIG. 1... Rotating shaft, 2... Bearing, 3, 4... Iron core, 4
a... Bearing play hole, 5... Coil, 6... Insulating member, 6a... Rib, 7... Rotor, 8... Commutator, 9... Magnet, 10...・Case, 11...
Brush plate, 12...Brush 1.13...Terminal, 14...
·welded part. Figure 1 Figure 3

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

（１）回転軸に圧入固定された第１の鉄心と、この第１
の鉄心に同軸上に固定され、かつ大径の軸受遊合孔を有
する第２の鉄心と、前記第１および第２の鉄心に巻回さ
れたコイルとでロータを構成し、ステータを有したケー
スの底部から内方に突出して形成された軸受に前記回転
軸を挿入すると共に、前記軸受の自由端部を前記第２の
鉄心の軸受遊合孔の内部に没入させて遊合配置すること
を特徴とした小型直流モータ。(1) A first iron core that is press-fitted and fixed to the rotating shaft, and
A second iron core coaxially fixed to the iron core and having a large diameter bearing play hole, and coils wound around the first and second iron cores constitute a rotor, and have a stator. Inserting the rotating shaft into a bearing formed to protrude inward from the bottom of the case, and immersing the free end of the bearing into a bearing fitting hole of the second iron core to arrange it loosely. A small DC motor featuring

（２）第１の鉄心と第２の鉄心との固定を、コイル巻回
のための絶縁部材に一体に設けたリブにより行うように
した実用新案登録請求の範囲第１項記載の小型直流モー
タ。(2) A small DC motor according to claim 1, in which the first iron core and the second iron core are fixed by ribs integrally provided on an insulating member for coil winding. .

（３）　　第１の鉄心と第２の鉄心とを溶接により固定
してなる実用新案登録請求の範囲第１項記載の小型直流
モータ。(3) A small DC motor according to claim 1, which is a utility model registration and is formed by fixing a first iron core and a second iron core by welding.

（４）第１の鉄心を鋼板の積層構造とし、第２の鉄心を
磁性体で一体成形してなる実用新案登録請求の範囲第１
項記載の小型直流モータ。(4) Utility model registration claim 1 in which the first iron core has a laminated structure of steel plates and the second iron core is integrally molded with magnetic material.
Small DC motor described in section.