JPS63237384A - Motor brush - Google Patents
Motor brushInfo
- Publication number
- JPS63237384A JPS63237384A JP7250887A JP7250887A JPS63237384A JP S63237384 A JPS63237384 A JP S63237384A JP 7250887 A JP7250887 A JP 7250887A JP 7250887 A JP7250887 A JP 7250887A JP S63237384 A JPS63237384 A JP S63237384A
- Authority
- JP
- Japan
- Prior art keywords
- brush
- motor
- noise prevention
- prevention element
- choke coil
- 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
- 230000002265 prevention Effects 0.000 claims description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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
【発明の詳細な説明】
〔技術分野〕
本発明は、小型モータにおける雑音防止構造に関するも
のである。DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to a noise prevention structure in a small motor.
従来では、刷子火花に伴う電気雑音の防止対策として、
チョークコイルやコンデンサー等が使用されている。第
５図のようにチョークコイルやコンデンサー等の雑音防
止具１２をモータの外側に設置する為に、モータ自体の
全長が長くなるものであった。又、第５．６図のように
チョークコイルである雑音防止具Ｉ２はモータ端子１０
に一端を結線し他端を別の中継端子１１に結線する必要
があり、中継端子１１等の部品点数の増加や中継端子１
１の固定の為の圧入等の作業工数の増加になり、製、造
コストのアンプにつながっていた。Conventionally, as a measure to prevent electrical noise caused by brush sparks,
Choke coils and capacitors are used. As shown in FIG. 5, a noise prevention device 12 such as a choke coil or a capacitor is installed outside the motor, which increases the overall length of the motor itself. Also, as shown in Figure 5.6, the noise preventer I2, which is a choke coil, is connected to the motor terminal 10.
It is necessary to connect one end to another relay terminal 11 and the other end to another relay terminal 11, which increases the number of parts such as the relay terminal 11 and
This increases the number of man-hours required for press-fitting and other work to fix the parts, leading to an increase in manufacturing costs.
本発明は、上記点に鑑みてなされたものであり、その目
的とするところは、モータの雑音防止構造においてモー
タ自体の全長を短くして全体的に小型化でき、かつ部品
点数を少なくし、組立等の作業工数が少なくできるモー
タの刷子を提供するところにある。The present invention has been made in view of the above points, and its purpose is to shorten the overall length of the motor itself in a motor noise prevention structure, thereby reducing the overall size, and reducing the number of parts. An object of the present invention is to provide a motor brush that can reduce the number of work steps such as assembly.
本発明のモータの刷子は、刷子本体にチョークコイルや
コンデンサー等の雑音防止素子を備えたことを特徴とす
るものである。The motor brush of the present invention is characterized in that the brush body is equipped with a noise prevention element such as a choke coil or a capacitor.
以下、本発明の実施例として示した図面に基づいて説明
する。DESCRIPTION OF THE PREFERRED EMBODIMENTS An explanation will be given below based on the drawings shown as embodiments of the present invention.
第１図は、本発明の実施例のモータの刷子を組込んだモ
ータの一部断面正面図であり、モータ軸１は、ケース３
に固定係止されている軸受台９に配設されている軸受２
．２により支持されており、モータ軸１にはロータ鉄芯
５が取着され、このロータ鉄芯５にロータコイル６が巻
装され、又モータ軸１にコミテータ８が装着されている
。このコミテータ８に刷子Ａである刷子本体ａの刷子バ
ネ部１３の先端に形成されているカーボン刷子部７が接
触しているものである。図において、４は磁石である。FIG. 1 is a partially sectional front view of a motor incorporating a motor brush according to an embodiment of the present invention, and the motor shaft 1 is connected to the case 3.
The bearing 2 disposed on the bearing stand 9 fixedly latched to the
．． A rotor core 5 is attached to the motor shaft 1, a rotor coil 6 is wound around the rotor core 5, and a commutator 8 is attached to the motor shaft 1. A carbon brush portion 7 formed at the tip of a brush spring portion 13 of a brush body a, which is a brush A, is in contact with this commutator 8. In the figure, 4 is a magnet.
第２図は本考案のモータの刷子Ａの一実施例の斜視図で
あり、刷子本体ａに雑音防止素子１２ａが備えられてい
るものであって、刷子本体ａの刷子バネ板部１３の先端
にカーボン刷子部７が形成されており、このカーボン刷
子部７の以外の他の部分となる刷子バネ板部１３の略中
央部を長手方向に亙って溝状の切り欠き部２０ａが形成
され、この切り欠き部２０ａ内にチョークコイルからな
る雑音防止素子１２ａが保持されている。雑音防止素子
１２ａの両端、即ちチョークコイルのリード線１２ｂ、
１２ｂは、モータ端子１０とカーボン刷子部７に接合さ
れており、電気的に導通可能な状態となっているもので
ある。そして、第２図の一点鎖線で現されるように、雑
音防止素子１２ａは防振テープや弾力のある接着剤等の
防振保持部材１４ａにて覆われ保持されているものであ
る。FIG. 2 is a perspective view of an embodiment of the brush A of the motor of the present invention, in which the brush body a is provided with a noise prevention element 12a, and the tip of the brush spring plate portion 13 of the brush body a is A carbon brush portion 7 is formed in the carbon brush portion 7, and a groove-shaped notch portion 20a is formed extending approximately in the center of the brush spring plate portion 13, which is a portion other than the carbon brush portion 7, in the longitudinal direction. A noise prevention element 12a made of a choke coil is held within this notch 20a. Both ends of the noise prevention element 12a, that is, the lead wire 12b of the choke coil,
12b is connected to the motor terminal 10 and the carbon brush portion 7, and is in a state where electrical continuity is possible. As shown by the dashed line in FIG. 2, the noise prevention element 12a is covered and held by a vibration-proof holding member 14a such as vibration-proof tape or elastic adhesive.
第３図は上記第２図の実施例の正面図、側面図、底面図
である。FIG. 3 is a front view, side view, and bottom view of the embodiment shown in FIG. 2 above.
第４図は他の実施例であり、前記刷子バネ板部１３をバ
ネ性のある成形品で形成し、この刷子ハネ板部１３の長
手方向の両側端を切取って凹部２０ｃを形成し、該凹部
２０ｃにコイル１２ｃを巻装してチョークコイルの働き
をさせ、雑音防止素子１２ｄを構成しているものである
。雑音防止素子１２ｄの両端は、端子ｌＯとカーボン刷
子部７に接合されており、電気的に導通可能な状態とな
っているものである。そし゛て一点鎖線で現されるよう
に、雑音防止素子１２ｄは防振テープや弾力のある接着
剤等にて覆われ保持されているものである。この実施例
では刷子バネ板部がチョークコイルと兼用したものであ
り、チョークコイルと刷子バネ板部の一体化が図れ、コ
スト低減を図れるものであり、省スペース化が図れ、小
型化がより可能となる。FIG. 4 shows another embodiment, in which the brush spring plate portion 13 is formed of a molded product with spring properties, and both ends of the brush spring plate portion 13 in the longitudinal direction are cut off to form a recess 20c. A coil 12c is wound around the recess 20c to function as a choke coil, thereby forming a noise prevention element 12d. Both ends of the noise prevention element 12d are connected to the terminal lO and the carbon brush portion 7, and are in a state where electrical conduction is possible. As shown by the dashed line, the noise prevention element 12d is covered and held with anti-vibration tape, elastic adhesive, or the like. In this embodiment, the brush spring plate part is also used as a choke coil, which allows the choke coil and brush spring plate part to be integrated, which reduces costs, saves space, and further enables miniaturization. becomes.
以上のように、本発明のモータの刷子は、刷子本体にチ
ョークコイルやコンデンサー等の雑音防止素子を備えて
いるので、雑音防止素子をモータ内部に設置できること
となり、モータ自体の全長を短くでき、シンプルに小型
化できるものとなり、しかもチョークコイル等の中継端
子が不要となり、部品点数を少なくすることができ、そ
して組立工数が低減でき、コスト低減が図れるものであ
る。As described above, since the motor brush of the present invention is equipped with a noise prevention element such as a choke coil or a capacitor in the brush body, the noise prevention element can be installed inside the motor, and the overall length of the motor itself can be shortened. It can be simply miniaturized, and furthermore, relay terminals such as choke coils are not required, the number of parts can be reduced, and the number of assembly steps can be reduced, leading to cost reduction.
更に雑音防止素子と電気雑音発生源との距離が短くなり
、雑音防止素子の電気雑音吸収効果が向上するものとな
る。Furthermore, the distance between the noise prevention element and the electrical noise generation source is shortened, and the electrical noise absorption effect of the noise prevention element is improved.
第１図は本発明の一実施例であるモータの刷子を組込ん
だモータの一部断面正面図、第２図は本発明の実施例の
斜視図、第３図は第２図の実施例の正面図、側面図、底
面図、第４図は本発明の他の実施例の斜視図、第５図は
従来例のモータの一部断面正面図、第６図は第５図の側
面図である。
図において、Ａはモータの刷子、ａは刷子本体、１２ａ
は雑音防止素子、１３は刷子バネ板部である。Fig. 1 is a partially sectional front view of a motor incorporating a motor brush, which is an embodiment of the present invention, Fig. 2 is a perspective view of the embodiment of the invention, and Fig. 3 is an embodiment of the embodiment of Fig. 2. 4 is a perspective view of another embodiment of the present invention, FIG. 5 is a partially sectional front view of a conventional motor, and FIG. 6 is a side view of FIG. 5. It is. In the figure, A is the motor brush, a is the brush body, 12a
1 is a noise prevention element, and 13 is a brush spring plate portion.
Claims (3)
音防止素子を備えたモータの刷子。(1) A motor brush with a noise prevention element such as a choke coil or capacitor in the brush body.
子部を備え、このカーボン刷子部以外の他の刷子バネ板
部にチョークコイルからなる雑音防止素子を保有してな
ることを特徴とする特許請求の範囲第１項記載のモータ
の刷子。(2) A carbon brush part is provided at the tip of the brush spring plate part of the brush body, and a noise prevention element made of a choke coil is provided in a brush spring plate part other than the carbon brush part. A motor brush according to claim 1.
イルの雑音防止素子を構成してなる特許請求の範囲第２
項記載のモータの刷子。(3) Claim 2, wherein a coil is wound around the brush spring plate portion to constitute a noise prevention element of a choke coil.
Motor brushes listed in section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7250887A JPS63237384A (en) | 1987-03-26 | 1987-03-26 | Motor brush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7250887A JPS63237384A (en) | 1987-03-26 | 1987-03-26 | Motor brush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63237384A true JPS63237384A (en) | 1988-10-03 |
Family
ID=13491352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7250887A Pending JPS63237384A (en) | 1987-03-26 | 1987-03-26 | Motor brush |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63237384A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002034209A (en) * | 2000-07-11 | 2002-01-31 | Tamagawa Seiki Co Ltd | Brush holding structure |
-
1987
- 1987-03-26 JP JP7250887A patent/JPS63237384A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002034209A (en) * | 2000-07-11 | 2002-01-31 | Tamagawa Seiki Co Ltd | Brush holding structure |
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