JPS5878771U - Brush mounting mechanism for electric motor - Google Patents
Brush mounting mechanism for electric motorInfo
- Publication number
- JPS5878771U JPS5878771U JP17392981U JP17392981U JPS5878771U JP S5878771 U JPS5878771 U JP S5878771U JP 17392981 U JP17392981 U JP 17392981U JP 17392981 U JP17392981 U JP 17392981U JP S5878771 U JPS5878771 U JP S5878771U
- Authority
- JP
- Japan
- Prior art keywords
- brush
- electric motor
- wear
- mounting mechanism
- commutator
- 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
Landscapes
- Motor Or Generator Current Collectors (AREA)
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
第1図は従来の実施例の斜視図、第2図は本考案の第1
実施例の一部破断側面図、第3図はその要部正面図、第
4図は第3図のA−A線断面図、第5図はそのブラシ9
の斜視図、第6図はその基本的機構を示す説明図、第7
図は本考案の第2の実施例のブラシ14の斜視図、第8
図は本考案の ゛第3実施例のブラシ16の斜視図で
ある。
5・・・回転子、6・・・整、流子、7・・・ホルダプ
レート、8・・・ブラシホルダ、9.14.16・・・
ブラシ、10・・・スプリング、15・・・孔、17・
・・長溝。Fig. 1 is a perspective view of a conventional embodiment, and Fig. 2 is a perspective view of a conventional embodiment.
A partially cutaway side view of the embodiment, FIG. 3 is a front view of the main part, FIG. 4 is a cross-sectional view taken along line A-A in FIG. 3, and FIG. 5 is the brush 9.
Fig. 6 is an explanatory diagram showing its basic mechanism, Fig. 7 is a perspective view of the
The figure is a perspective view of the brush 14 according to the second embodiment of the present invention.
The figure is a perspective view of a brush 16 according to a third embodiment of the present invention. 5...Rotor, 6...Set, flow element, 7...Holder plate, 8...Brush holder, 9.14.16...
Brush, 10... Spring, 15... Hole, 17.
...Long groove.
Claims (4)
プリングの付勢力を介して圧接するブラシの形状を、整
流子の回転にともなうブラシの摩耗に従って整流子とブ
ラシの接触面積が前記ブラシの摩耗にともなうスプリン
グの付勢力減少に対応して減少する形状にしたことを特
徴と゛する電動モータ用ブラシ取付機構。(1) The shape of the brush that is pressed into contact with the commutator that rotates together with the rotor of the electric motor through the biasing force of a spring is such that the contact area between the commutator and the brush is adjusted according to the wear of the brush as the commutator rotates. A brush mounting mechanism for an electric motor, characterized by having a shape that decreases in response to a decrease in the biasing force of a spring due to wear.
を変化させる台形形状とするとともに、ブラシとブラシ
ホルダ間に、ブラシの摩耗方向移動姿勢を保持するため
の突起と溝とからなるガイド機構を設けることを特徴と
する前記実用新案登録請求の範囲第1項に記載の電動モ
ータ用ブラシ取付機構。(2) The brush has a trapezoidal shape whose cross-sectional area changes in the direction perpendicular to the surface in contact with the commutator, and a guide consisting of protrusions and grooves between the brush and the brush holder to maintain the posture of the brush moving in the direction of wear. The electric motor brush mounting mechanism according to claim 1, further comprising a mechanism.
持するブラシホルダ内形形状に対応した直方体とすると
ともに、ブラシの摩耗方向に対して、整流子と接する方
向を小径とするスプリング受は兼用の円錐状孔を形成す
ることを特徴とする前記実用新案登録請求の範囲第1項
に記載の電動モータ用ブラシ取付機構。(3) The external shape of the brush is a rectangular parallelepiped that corresponds to the internal shape of the brush holder that supports the brush so that it can move in the direction of wear, and the spring holder is also used to make the diameter smaller in the direction in which it contacts the commutator with respect to the direction of wear of the brush. The brush mounting mechanism for an electric motor according to claim 1, characterized in that a conical hole is formed.
能に支持するブラシホルダ内形形状に対応した直方体と
するとともに、前記直方体の少なくとも一面のブラシの
摩耗方向に対して、前記摩耗方向に横断面積を変化させ
る長溝を形成することを特徴とする前記実用新案登録請
求の範囲第1項に記載の電動モータ用ブラシ取付機構。(4) The external shape of the brush is a rectangular parallelepiped corresponding to the internal shape of a brush holder that supports the brush so that it can move in the wear direction, and the cross-sectional area of at least one surface of the rectangular parallelepiped is in the wear direction. The brush mounting mechanism for an electric motor according to claim 1, characterized in that a long groove is formed to change the electric motor brush mounting mechanism.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17392981U JPS5878771U (en) | 1981-11-19 | 1981-11-19 | Brush mounting mechanism for electric motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17392981U JPS5878771U (en) | 1981-11-19 | 1981-11-19 | Brush mounting mechanism for electric motor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5878771U true JPS5878771U (en) | 1983-05-27 |
Family
ID=29965855
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17392981U Pending JPS5878771U (en) | 1981-11-19 | 1981-11-19 | Brush mounting mechanism for electric motor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5878771U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011151919A (en) * | 2010-01-20 | 2011-08-04 | Jtekt Corp | Power feed brush, dc motor, and electric power steering device |
-
1981
- 1981-11-19 JP JP17392981U patent/JPS5878771U/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011151919A (en) * | 2010-01-20 | 2011-08-04 | Jtekt Corp | Power feed brush, dc motor, and electric power steering device |
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