JPS5837751U - dc motor - Google Patents

dc motor

Info

Publication number
JPS5837751U
JPS5837751U JP13106081U JP13106081U JPS5837751U JP S5837751 U JPS5837751 U JP S5837751U JP 13106081 U JP13106081 U JP 13106081U JP 13106081 U JP13106081 U JP 13106081U JP S5837751 U JPS5837751 U JP S5837751U
Authority
JP
Japan
Prior art keywords
commutator
brush
motor according
outer circumferential
motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP13106081U
Other languages
Japanese (ja)
Inventor
「かず」中　潔
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP13106081U priority Critical patent/JPS5837751U/en
Publication of JPS5837751U publication Critical patent/JPS5837751U/en
Pending legal-status Critical Current

Links

Landscapes

  • Motor Or Generator Frames (AREA)
  • Motor Or Generator Current Collectors (AREA)
  • Dc Machiner (AREA)

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図は従来の構造を示す要部側断面図、第２図はこの
考案の一実施例を示す図、第３図は第２図に示す防塵カ
バーの他の構造例を示す図である。 ５・・・スルーボルト、６・・・ラジアル軸受、７・・
・電機子、９・・・整流子、２０・・・ヨーク、２１・
・・リアブラケット、２１ａ・・・リヤブラケットの後
端中央の突出部、２２．２６・・・それぞれブラシ、２
３゜２７・・・それぞれブラシホルダ、２８・・・防塵
カバー、３０・・・窓部、３０ａ・・・めんとり加工部
。なお、図中同一符号は同−又は相当部分を示す。Fig. 1 is a side sectional view of the main part showing the conventional structure, Fig. 2 is a drawing showing an embodiment of this invention, and Fig. 3 is a drawing showing another example of the structure of the dustproof cover shown in Fig. 2. . 5... Through bolt, 6... Radial bearing, 7...
・Armature, 9... Commutator, 20... Yoke, 21.
...Rear bracket, 21a...Protrusion at the center of the rear end of the rear bracket, 22.26...Each brush, 2
3゜27... Brush holder, 28... Dustproof cover, 30... Window section, 30a... Mentori processing section. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims (6)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）回転軸の後方部分に整流子が固定されこの整流子
より後方に突出した回転軸の部分かりャブラケットの後
端中央の突起部内周面に嵌着されたラジアル軸受により
支承される直流電動機において１．上記リヤブラケット
はく上記整流子の後端面と上記整端子の円筒面に対しそ
れぞれ所定の空隙を保って上記整流子表面に対向する如
く配設された部分と、整流子の上記円筒面に対向する如
く配設された部分に設けられこの直流電動機のブラシが
通過する窓と、上記直流電動機のヨーク部分に接続する
外周面部とを備えたことを特徴とする直流電動機。(1) A DC motor in which a commutator is fixed to the rear part of the rotating shaft, and the part of the rotating shaft that protrudes rearward from the commutator is supported by a radial bearing fitted to the inner peripheral surface of the protrusion at the center of the rear end of the controller bracket. In 1. The rear bracket has a portion that is arranged to face the commutator surface with a predetermined gap between the rear end surface of the commutator and the cylindrical surface of the commutator terminal, and a portion that faces the cylindrical surface of the commutator. What is claimed is: 1. A direct current motor comprising: a window provided in a portion disposed in such a manner that the brushes of the direct current motor pass through; and an outer circumferential surface portion connected to a yoke portion of the direct current motor. （２）ヨーク部分に接続する外周面部は、ブラシを保持
するブラシホルダを装着したことを特徴とする実用新案
登録請求の範囲第１項記載の直流電動機。(2) The DC motor according to claim 1, wherein the outer circumferential surface portion connected to the yoke portion is equipped with a brush holder for holding a brush. （３）ヨーク部分に接続する外周面部は、スルーボルト
により螺着されてなる事を特徴とする実用新案登録請求
の範囲第１項記載の直流電動機。(3) The DC motor according to claim 1, wherein the outer circumferential surface portion connected to the yoke portion is screwed by a through bolt. （４）ヨーク部分に接続する外周面部は、ブラシ及びブ
ラシホルダを被覆する防塵カバーを備えたことを特徴と
する実用新案登録請求の範囲第１項記載の直流電動機。(4) The DC motor according to claim 1, wherein the outer circumferential surface portion connected to the yoke portion is provided with a dustproof cover that covers the brush and the brush holder. （５）防塵カバーは、通風孔を有してなることを特徴と
する実用新案登録請求の範囲第４項記載の直流電動機。(5) The DC motor according to claim 4, wherein the dustproof cover has a ventilation hole. （６）ブラシが通過する窓は、整流子とブラシとの′　
　接触部において上記整流子の回転方向であって接線方
向に障壁とならないようにめんとり加工が施されてなる
ことを特徴とする実用新案登録請求の範囲第１項記載の
直流電動機。(6) The window through which the brush passes is located between the commutator and the brush.
2. The DC motor according to claim 1, wherein the contact portion is rounded so as not to become a barrier in the tangential direction in the rotational direction of the commutator.
JP13106081U 1981-09-02 1981-09-02 dc motor Pending JPS5837751U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13106081U JPS5837751U (en) 1981-09-02 1981-09-02 dc motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13106081U JPS5837751U (en) 1981-09-02 1981-09-02 dc motor

Publications (1)

Publication Number Publication Date
JPS5837751U true JPS5837751U (en) 1983-03-11

Family

ID=29924657

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13106081U Pending JPS5837751U (en) 1981-09-02 1981-09-02 dc motor

Country Status (1)

Country Link
JP (1) JPS5837751U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019122059A (en) * 2017-12-28 2019-07-22 株式会社ミツバ Brushed motor, and fan motor for radiator cooling
JP7286032B1 (en) * 2022-05-24 2023-06-02 三菱電機株式会社 Rotating electric machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019122059A (en) * 2017-12-28 2019-07-22 株式会社ミツバ Brushed motor, and fan motor for radiator cooling
JP7286032B1 (en) * 2022-05-24 2023-06-02 三菱電機株式会社 Rotating electric machine
JP2023172894A (en) * 2022-05-24 2023-12-06 三菱電機株式会社 rotating electric machine

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