JPS5915274U

JPS5915274U - Commutator motor brush holding mechanism

Info

Publication number: JPS5915274U
Application number: JP10876382U
Authority: JP
Inventors: 牛田　達男
Original assignee: 東芝テック株式会社
Priority date: 1982-07-20
Filing date: 1982-07-20
Publication date: 1984-01-30

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 drawings]

第１図は従来のブラシ保持機構の概略の縦断面図、第２
図は本案の同様の縦断面図、第３図はその要部の展開斜
視図で第４図、第５図は本案の他の実施例の要部の側面
図と平面図で第６図は又他の実施例の要部の一部を断面
とした展開側面図である。１・・・カーボンブラシ、２・・・メタルホルダ、３・
・・ブラシホルダ、４・・・蓋ナツト、５・・・ブラシ
キャップ、６・・・コイルばね、７・・・ピグテイル、
８・・・一端の折曲部、９・・・他端の折曲部、１０．
１２・・・小孔。Figure 1 is a schematic vertical cross-sectional view of a conventional brush holding mechanism;
The figures are a similar vertical sectional view of the present invention, FIG. 3 is an exploded perspective view of the main parts thereof, FIG. 4 is a side view and a plan view of the main parts of another embodiment of the present invention, and FIG. 6 is a Also, it is a developed side view with a part of the main part of another embodiment in cross section. 1...Carbon brush, 2...Metal holder, 3.
... Brush holder, 4... Lid nut, 5... Brush cap, 6... Coil spring, 7... Pigtail,
8... Bent part at one end, 9... Bent part at the other end, 10.
12...Small hole.

Claims

[Scope of utility model registration request]

(1) A carphone brush, a metal holder that surrounds this brush, a brush holder that surrounds this holder, a plate-shaped brush cap that is connected to the brush through a pigtail and has a small hole near its periphery, and this brush A coil spring, which is located between the cap and the brush and has a bent portion at one end engaged with one side of the brush and a bent portion at the other end fitted into a small hole in the brush cap, is screwed into the brush holder. and a brush holding mechanism for a commutator motor comprising a lid nut that comes into contact with the brush cap.

(2) The commutator motor according to claim 1, wherein the brush cap is provided with a convex portion having a diameter slightly smaller than the inner diameter of the coil spring, and a plurality of holes are provided on the outer periphery of the convex portion. Brush retention mechanism.