JPS5878773U

JPS5878773U - Commutator device for small motors

Info

Publication number: JPS5878773U
Application number: JP17176481U
Authority: JP
Inventors: 坂本　文夫
Original assignee: ミツミ電機株式会社
Priority date: 1981-11-18
Filing date: 1981-11-18
Publication date: 1983-05-27

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図は回転軸１に固説された本考案に係る整流子装置
を示す外観斜視図で、第２図は第１図の整流子装置を正
面側から見た平面図、第３図は第１図の整流子装置を裏
面側より見た平面図である。第４図は第２図のＩＶ−ＩＶ’線に沿って断面した軸方
向断面図で、第５図は第１図の分解斜視図であり、整流
子片２は１個だけ示されている。第６図は第１図乃至第
５図に示した整流子装置の円筒３のみを示す平面図であ
る。第７図は第１図乃至第５図に示した整流子装置の整
流子片２のみを示す図で、第７図Ａは端子部２２を折曲
する前の状態を示す平面図で、第７図Ｂ、　Ｃ，Ｄは端
子部２２を折曲した後の状態を示しており、第７図Ｂに
平面図、第７図Ｃは正面図、第７図りは側面図である。２１・・・整流子部、２３・・・切込み、３３・・・端
子部　　　−合溝、３４・・・円弧状溝、３４Ａ・・・
周方向端壁、４・・・絶縁ワッシャ、ＨｌＫ・・・隙間
。Fig. 1 is an external perspective view showing a commutator device according to the present invention fixed to a rotating shaft 1, Fig. 2 is a plan view of the commutator device of Fig. 1 seen from the front side, and Fig. 3 is a FIG. 2 is a plan view of the commutator device of FIG. 1 viewed from the back side. 4 is an axial sectional view taken along the line IV-IV' in FIG. 2, and FIG. 5 is an exploded perspective view of FIG. 1, in which only one commutator piece 2 is shown. . FIG. 6 is a plan view showing only the cylinder 3 of the commutator device shown in FIGS. 1 to 5. FIG. 7 is a diagram showing only the commutator piece 2 of the commutator device shown in FIGS. 1 to 5, and FIG. 7A is a plan view showing the state before the terminal portion 22 is bent. 7B, C, and D show the state after the terminal portion 22 is bent. FIG. 7B is a plan view, FIG. 7C is a front view, and FIG. 7 is a side view. 21...Commutator part, 23...Notch, 33...Terminal part - mating groove, 34...Circular groove, 34A...
Circumferential end wall, 4... Insulating washer, HlK... Gap.

Claims

[Scope of utility model registration request]

In a commutator device for a small motor, a plurality of commutator pieces each having an arc-curved commutator part and a terminal part standing up from the commutator part are arranged on an insulating cylinder and fixed with insulating washers. , a terminal fitting groove in which the terminal portion of the commutator piece is disposed is formed in the cylinder, and the depth dimension of the fitting groove is made larger than the thickness of the terminal portion; A commutator device for a small motor, wherein a gap is formed between the terminal portion and the insulating washer.