JPH0488460U

JPH0488460U -

Info

Publication number: JPH0488460U
Application number: JP40399790U
Authority: JP
Priority date: 1990-12-19
Filing date: 1990-12-19
Publication date: 1992-07-31

Description

[Brief explanation of the drawing]

第１図及び第２図は、従来の電圧吸収装置を設
けた整流子を示すもので、第１図は、小型モータ
のロータの整流子側を示す一部切欠側面図、第２
図は、第１図の−線断面図、第３図は、本考
案の一実施例の整流子を示す一部切欠側面図、第
４図は第３図のものの正面図、第５図は、本考案
の第２実施例を示す一部切欠側面図、第６図は、
同第５図のものの正面図、第７図は、本考案の第
３実施例を示す一部切欠側面図、第８図は、第７
図の−線断面図、第９図は、本考案の第４実
施例を示す一部切欠側面図、第１０図は、同第９
図のものの正面図である。１……ロータ、２……ロータ軸、３……整流子
、４……整流子軸、５，５ａ，５ｂ，５ｃ……環
状部材（導電ゴム）、６ａ，６ｂ，６ｃ……整流
子分電極、７……スリツト、８……接続端子、９
……滑動板。 Figures 1 and 2 show a commutator equipped with a conventional voltage absorbing device; Figure 1 is a partially cutaway side view showing the commutator side of the rotor of a small motor;
The figures are a cross-sectional view taken along the - line in Fig. 1, Fig. 3 is a partially cutaway side view showing a commutator according to an embodiment of the present invention, Fig. 4 is a front view of the commutator shown in Fig. 3, and Fig. 5 is a FIG. 6 is a partially cutaway side view showing the second embodiment of the present invention.
5 is a front view of the same, FIG. 7 is a partially cutaway side view showing the third embodiment of the present invention, and FIG. 8 is a front view of the same.
FIG. 9 is a partially cutaway side view showing the fourth embodiment of the present invention, and FIG.
It is a front view of the thing of a figure. 1... Rotor, 2... Rotor shaft, 3... Commutator, 4... Commutator shaft, 5, 5a, 5b, 5c... Annular member (conductive rubber), 6a, 6b, 6c... Commutator portion Electrode, 7...Slit, 8...Connection terminal, 9
...Sliding plate.

Claims

[Scope of utility model registration request]

An annular recess is provided at a suitable location on the outer peripheral surface of the commutator shaft made of an insulating material and is fixed to the rotor shaft. A motor for a small motor, wherein commutator electrodes corresponding to each winding of the rotor are arranged in a circumferential direction on the outer circumferential surface of the commutator shaft so as to be in contact with the outer circumferential surface of the member. Commutator with noise suppressor.