JP4315932B2 - 小形直流電動機 - Google Patents
小形直流電動機 Download PDFInfo
- Publication number
- JP4315932B2 JP4315932B2 JP2005187502A JP2005187502A JP4315932B2 JP 4315932 B2 JP4315932 B2 JP 4315932B2 JP 2005187502 A JP2005187502 A JP 2005187502A JP 2005187502 A JP2005187502 A JP 2005187502A JP 4315932 B2 JP4315932 B2 JP 4315932B2
- Authority
- JP
- Japan
- Prior art keywords
- brush
- outer peripheral
- brush holder
- notch
- lid
- 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.)
- Active
Links
- 230000002093 peripheral effect Effects 0.000 claims description 17
- 238000000465 moulding Methods 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 241001122315 Polites Species 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical group [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
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- Motor Or Generator Frames (AREA)
Description
1 筐体
1−1 筐体外周面
1−2 筐体の切り欠き部
2 蓋体
2−1 ホルダーを装着する切り欠き部
2−2 軸受嵌着部
2−3 軸挿通孔
3 ホルダー
3−1 ブラシと押圧ばねを収容するブラシ装着部
3−2 ピグテール挿通溝
3−3 端子挿通孔
3−4 筐体外周面に連通する円弧状大径部
3−5 筐体内周面に当接する小径段差部
3−6 蓋体の切り欠き部に嵌着される凸状部
4 端子
5 永久磁石
6 回転子
Claims (1)
- 有底円筒状筐体と該筐体の開口端に嵌着・保持される蓋体を外被とし、この外被に、ピグテールが接続されたブラシと押圧ばねを収容したブラシホルダを取り付け、且つ、外被に収納される回転子に前記ブラシと共に機械的整流機構を構成する整流子を取り付けてなる小型直流電動機において、
前記ブラシホルダは、樹脂成形されて、前記ブラシと押圧ばねが装着されるブラシ装着部が外周側端を封止した状態で形成されており、
前記蓋体には、外周側に開口した径方向切り欠き部が形成され、該切り欠き部に前記ブラシホルダが径方向移動自在に嵌合され、前記ブラシが前記整流子に押圧ばねのばね力で当接すると共に、このばね力で前記ブラシホルダが径方向外側に付勢されており、
前記筐体には、前記蓋体の径方向切り欠き部に対応するよう、前記開口端に開口する軸方向切り欠き部が形成されており、
前記ブラシホルダの外周側端部には、当該ブラシホルダを前記押圧ばねのばね力に抗して径方向内方に移動させた状態で、前記筐体と前記蓋体との組み立てに伴う前記筐体の軸方向移動に伴って前記軸方向切り欠き部に嵌着される大径部と、この大径部の周方向両側に位置し前記軸方向切り欠き部の両側縁に径方向内面から当接する小径段差部とが形成され、前記大径部の外周面は前記筐体の外周面に連続するよう円弧状に形成されており、
さらに、前記ブラシホルダには、その外周側端封止面近傍に、軸方向にその一端が外被から露出するように配置された外部接続用の端子を備えることを特徴とする小型直流電動機。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005187502A JP4315932B2 (ja) | 2005-06-28 | 2005-06-28 | 小形直流電動機 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005187502A JP4315932B2 (ja) | 2005-06-28 | 2005-06-28 | 小形直流電動機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007014041A JP2007014041A (ja) | 2007-01-18 |
JP4315932B2 true JP4315932B2 (ja) | 2009-08-19 |
Family
ID=37751777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005187502A Active JP4315932B2 (ja) | 2005-06-28 | 2005-06-28 | 小形直流電動機 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4315932B2 (ja) |
-
2005
- 2005-06-28 JP JP2005187502A patent/JP4315932B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2007014041A (ja) | 2007-01-18 |
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