JPS63198365U - - Google Patents

Description

Translated fromJapanese

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例の刷子摩耗センサー
を設けた電動機の要部破断図、第２図ａは同刷子
摩耗センサーにおける刷子の正面図、第２図ｂは
同刷子の側面図、第３図は従来の電動機の要部破
断図である。 ３……刷子、３ａ……突起部、４……刷子バネ
、５……整流子、８……ヒンジレバー、９……マ
イクロスイツチ、９ａ……スイツチボタン、１２
……発光ダイオード、１３……刷子摩耗通知手段
。 Fig. 1 is a cutaway view of the main parts of an electric motor equipped with a brush wear sensor according to an embodiment of the present invention, Fig. 2a is a front view of the brush in the brush wear sensor, and Fig. 2b is a side view of the brush. FIG. 3 is a cutaway view of the main parts of a conventional electric motor. 3...Brush, 3a...Protrusion, 4...Brush spring, 5...Commutator, 8...Hinge lever, 9...Micro switch, 9a...Switch button, 12
... Light emitting diode, 13 ... Brush wear notification means.

Claims (1)

Translated fromJapanese

【実用新案登録請求の範囲】[Scope of utility model registration request] 電動機の整流子方向に付勢され、一端が整流子
と摺接する刷子と、前記刷子の他端付近の側面に
設けた突起部と、前記刷子が摩耗した際に、前記
突起部によつてスイツチボタンが押圧されるよう
にヒンジレバーを配設したマイクロスイツチと、
前記マイクロスイツチと接続された刷子摩耗通知
手段とを備えた電動機の刷子摩耗センサー。 A brush that is biased in the direction of the commutator of the electric motor and has one end in sliding contact with the commutator, a protrusion provided on the side surface near the other end of the brush, and a switch that is activated by the protrusion when the brush wears out. A micro switch with a hinge lever so that the button can be pressed,
A brush wear sensor for an electric motor, comprising a brush wear notification means connected to the microswitch.