JPH0233578U - - Google Patents
Info
- Publication number
- JPH0233578U JPH0233578U JP11113688U JP11113688U JPH0233578U JP H0233578 U JPH0233578 U JP H0233578U JP 11113688 U JP11113688 U JP 11113688U JP 11113688 U JP11113688 U JP 11113688U JP H0233578 U JPH0233578 U JP H0233578U
- Authority
- JP
- Japan
- Prior art keywords
- brush
- commutator
- coil
- casing
- shaft
- 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
Links
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
- Motor Or Generator Current Collectors (AREA)
Description
第１図は本考案の一実施例に係るモータ用ブラ
シを示す斜視図、第２〜３図は同実施例の作動状
態を示す縦断面図、第４〜５図は、本考案の他の
実施例に係るモータ用ブラシを示す縦断面図、第
６図は一般的なモータを示す縦断面図である。
１…ケーシング、２…マグネツト、３…コイル
、４…シヤフト、５…コンミユテータ、６…ブラ
シロツカー、７…ブラシ、８…バイメタル（感温
押圧部材）、９…形状記憶合金（感温押圧部材）
。
Fig. 1 is a perspective view showing a motor brush according to an embodiment of the present invention, Figs. 2 and 3 are longitudinal sectional views showing the operating state of the same embodiment, and Figs. FIG. 6 is a vertical cross-sectional view showing a motor brush according to an embodiment, and FIG. 6 is a vertical cross-sectional view showing a general motor. 1...Casing, 2...Magnet, 3...Coil, 4...Shaft, 5...Commutator, 6...Brush rocker, 7...Brush, 8...Bimetal (temperature-sensitive pressing member), 9...Shape memory alloy (temperature-sensitive pressing member)
.
Claims (1)
界を切つて回転するコイル３と、当該コイル３を
嵌挿したシヤフト４と、当該シヤフト４に嵌挿さ
れ前記コイル３と電気的に接続されたコンミユテ
ータ５と、前記ケーシング１側に設けられたブラ
シロツカー６に保持され前記コンミユテータ５と
摺動することにより前記コイル３に電流を供給す
るブラシ７とから成るモータにおいて、前記ブラ
シ７とコンミユテータ５との摺動面の温度が所定
値以上に上昇したときに、当該ブラシ７をコンミ
ユテータ５に対して押圧する感温押圧部材８，９
を有することを特徴とするモータ用ブラシ。 A coil 3 that rotates by cutting off the magnetic field of a magnet 2 provided in the casing 1, a shaft 4 into which the coil 3 is fitted, and a commutator 5 which is fitted into the shaft 4 and electrically connected to the coil 3. and a brush 7 which is held by a brush rocker 6 provided on the side of the casing 1 and supplies current to the coil 3 by sliding with the commutator 5. The sliding movement between the brush 7 and the commutator 5 Temperature-sensitive pressing members 8 and 9 that press the brush 7 against the commutator 5 when the surface temperature rises above a predetermined value.
A motor brush characterized by having:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11113688U JPH0233578U (en) | 1988-08-24 | 1988-08-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11113688U JPH0233578U (en) | 1988-08-24 | 1988-08-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0233578U true JPH0233578U (en) | 1990-03-02 |
Family
ID=31348920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11113688U Pending JPH0233578U (en) | 1988-08-24 | 1988-08-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0233578U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016086489A (en) * | 2014-10-24 | 2016-05-19 | 株式会社日立製作所 | Rotary machine |
-
1988
- 1988-08-24 JP JP11113688U patent/JPH0233578U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016086489A (en) * | 2014-10-24 | 2016-05-19 | 株式会社日立製作所 | Rotary machine |
| US10199900B2 (en) | 2014-10-24 | 2019-02-05 | Hitachi, Ltd. | Rotating machine |