JPH0476170U

JPH0476170U -

Info

Publication number: JPH0476170U
Application number: JP12056390U
Authority: JP
Priority date: 1990-11-16
Filing date: 1990-11-16
Publication date: 1992-07-02

Description

[Brief explanation of the drawing]

図面は本考案の一実施例を示すもであり、第１
図は直流電動機の縦断側面図、第２図は第１図の
−線断面図、第３図は第２図の−線断面
図、第４図はブラケツトの正面図、第５図は第４
図の−線断面図、第６図は第４図の−線
断面図、第７図は第４図の−線断面図、第８
図は支持板の正面図、第９図は自然な状態でのね
じりばねの側面図、第１０図は第９図のＸ矢視図
である。１……ハウジング、３……ヨーク、８……ロー
タ、１１……回転軸、１５……コンミテータ、１
６……ブラシ、３０……案内孔、３２……保持筒
、３４……スリツト、３６……ストツパ、３７…
…ねじりばね。 The drawings show one embodiment of the present invention.
The figure is a longitudinal sectional side view of the DC motor, Figure 2 is a cross-sectional view taken along the - line in Figure 1, Figure 3 is a cross-sectional view taken along the - line in Figure 2, Figure 4 is a front view of the bracket, and Figure 5 is a cross-sectional view taken along the line -
Figure 6 is a sectional view taken along the - line in Figure 4, Figure 7 is a sectional view taken along the - line in Figure 4, and Figure 8 is a sectional view taken along the - line in Figure 4.
The figure is a front view of the support plate, FIG. 9 is a side view of the torsion spring in a natural state, and FIG. 10 is a view taken along the X arrow in FIG. 1... Housing, 3... Yoke, 8... Rotor, 11... Rotating shaft, 15... Commutator, 1
6... Brush, 30... Guide hole, 32... Holding cylinder, 34... Slit, 36... Stopper, 37...
...Torsion spring.

Claims

[Scope of utility model registration request]

A housing 1 including a cylindrical yoke 3, a rotating shaft 11 rotatably supported by the housing 1, a rotor 8 provided on the rotating shaft 11 and arranged concentrically within the yoke 3, It includes a commutator 15 provided adjacent to the rotating shaft 11, and a brush 16 supported by the housing 1 so as to be biased by a spring in the direction of slidingly contacting the commutator 15 and to be movable along the radial direction of the rotating shaft 11. In the rotating electric machine, the housing 1 includes a rotating shaft 11 in which the brush 16 is slidably fitted.
a slit 34 extending in the radial direction of the rotating shaft 11 through the guide hole 30 and having an open outer end;
a stopper 3 located at the outer end along the radial direction of
6 is provided, and one end is locked to the stopper 36 and the slit 34 is fixed to the stopper 36.
A rotating electric machine characterized in that a torsion spring 37 is disposed on one side of the holding cylinder 32, and the torsion spring 37 can be switched between a state in which it is engaged with the brush 16 and a state in which it is engaged with the brush 16, and its other end is locked in the housing 1.