JPS5866862U

JPS5866862U - portable electric equipment

Info

Publication number: JPS5866862U
Application number: JP16257581U
Authority: JP
Inventors: 田代　登; 羽野　芳和
Original assignee: 三菱電機株式会社
Priority date: 1981-10-27
Filing date: 1981-10-27
Publication date: 1983-05-07

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図は従来の携帯用電動機器の一部断面図、第２図及
び第３図はこの考案の一実施例を示すもので、第２図は
一部断面図、第３図は第２図の■・　−■線方向の断面
図、第４図はこの考案の他の実施例を示す一部断面図で
ある。図中、１は枠体、２は界磁鉄心、３は反負荷側ブ
ラケット、３ｄは円形状の突起部、４は負荷側ブラケッ
ト、５は電機子軸、６，７は軸受、１０は整流子、１１
は刷　　　　−子保持器、１１Ｃは突起部、１３は炭素
刷子、１４はリード線、１５はケース、１６．１７は放
熱部材、１８は絶縁部材である。なお、図中同一符号は
同一または相当部分を示す。Fig. 1 is a partial sectional view of a conventional portable electric device, Fig. 2 and 3 show an embodiment of this invention, Fig. 2 is a partial sectional view, and Fig. 3 is a partial sectional view of a conventional portable electric device. FIG. 4 is a partial sectional view showing another embodiment of this invention. In the figure, 1 is the frame, 2 is the field core, 3 is the anti-load side bracket, 3d is a circular protrusion, 4 is the load side bracket, 5 is the armature shaft, 6 and 7 are the bearings, and 10 is the rectifier. child, 11
11C is a brush holder, 11C is a projection, 13 is a carbon brush, 14 is a lead wire, 15 is a case, 16 and 17 are heat dissipating members, and 18 is an insulating member. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims

[Scope of utility model registration request]

(1) A case made of synthetic resin that accommodates a commutator motor, and a pair of brush holders each having one end protruding from the outer end surface of the case, in which the protruding portions of each of the pair of brush holders are 1. A portable electric device characterized in that a pair of heat radiating members having a large heat capacity are joined to each other with a predetermined gap in between.

(2) The pair of heat dissipating members are each formed into a substantially semi-annular shape, and their inner peripheral surfaces are fitted into circular protrusions formed at the outer end of the case on the commutator side. A portable electric device according to claim 1 of the utility model registration claim characterized by:

(3) Each of the pair of heat dissipating members is formed into a substantially ring shape, and the inner peripheral surface is connected to the circular protrusion formed at the outer end of the case on the commutator side via the ring-shaped insulating member. The portable electric device according to claim 1, characterized in that the portable electric device is fitted.

(4) The portable device according to claim 1, wherein the pair of heat radiating members have substantially the same heat capacity and heat radiating area, and are respectively coupled to the outer end surface of the case on the commutator side. Electric equipment.