JPH0364992B2 - - Google Patents
Info
- Publication number
- JPH0364992B2 JPH0364992B2 JP20491482A JP20491482A JPH0364992B2 JP H0364992 B2 JPH0364992 B2 JP H0364992B2 JP 20491482 A JP20491482 A JP 20491482A JP 20491482 A JP20491482 A JP 20491482A JP H0364992 B2 JPH0364992 B2 JP H0364992B2
- Authority
- JP
- Japan
- Prior art keywords
- holder
- brush
- pigtail
- plate
- notch
- 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.)
- Expired
Links
- 230000000694 effects Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Landscapes
- Motor Or Generator Current Collectors (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Motor Or Generator Frames (AREA)
Description
【発明の詳細な説明】 本発明は、ブラシホルダ構造の改良に関する。[Detailed description of the invention] The present invention relates to improvements in brush holder structure.
従来、第１図の様なブラシホルダ構造の場合、
ピグテール１ブラシ４の横方向に出ているので、
第２図の様なホルダ３はピグテール１の逃げのた
めに横方向に切欠いてある。しかし、ホルダ３は
ブラシホルダ構造の中で一番剛性が低いので、振
動によりその切欠き３ａ周縁にき裂が入つて破損
するという問題があつた。 Conventionally, in the case of a brush holder structure as shown in Fig. 1,
Pigtail 1 Brush 4 comes out horizontally, so
The holder 3 as shown in FIG. 2 is laterally cut out for escape of the pigtail 1. However, since the holder 3 has the lowest rigidity among the brush holder structures, there was a problem in that the periphery of the notch 3a cracked due to vibration and was damaged.
そこで、本発明は上記の問題を解決するため、
切欠きホルダからプレートに変更してピグテール
をこの切欠きを通してホルダ外に出すことによ
り、ホルダは切欠きがなくなるので耐振性向上に
なり又、プレートは外径部でささえるため剛性が
高いのでピグテール逃げ程度の切欠きでは振動に
対して問題なく、ブラシホルダ構造全体として耐
振性を向上できることを目的とする。 Therefore, in order to solve the above problems, the present invention
By changing from a notched holder to a plate and allowing the pigtail to exit the holder through this notch, the holder no longer has a notch, resulting in improved vibration resistance.Also, since the plate is supported by the outer diameter, it has high rigidity, so the pigtail can escape easily. The purpose is to improve the vibration resistance of the brush holder structure as a whole, without causing any problems with vibrations with a small cutout.
以下本発明を図に示す実施例について説明す
る。第３図乃至第５図において、ピグテール１は
ブラシ４に一体成形しており、フイールドコイル
５の末端に溶接してある。又ブラシ４の３方の面
を覆うホルダ３はリベツト等により環状のプレー
ト２に固定してあり、角筒を形成している。スプ
リング６はブラシ４を押圧してこのブラシ４を図
示してないコンミテータと接触させている。そし
て、プレート２はその外径側がスタータモータ等
の回転電機のハウジング（図示せず）にささえら
れている。また、ピグテール１逃げの切欠き２ａ
をプレート２に形成して、従来のホルダ３の切欠
き３ａを廃止し、ピグテール１をプレート２の切
欠き２ａより出している。 The present invention will be described below with reference to embodiments shown in the drawings. In FIGS. 3 to 5, the pigtail 1 is integrally formed with the brush 4 and welded to the end of the field coil 5. Further, the holder 3 that covers three sides of the brush 4 is fixed to the annular plate 2 with rivets or the like, forming a rectangular tube. The spring 6 presses the brush 4 into contact with a commutator (not shown). The outer diameter side of the plate 2 is supported by a housing (not shown) of a rotating electrical machine such as a starter motor. Also, pigtail 1 relief notch 2a
is formed in the plate 2, the notch 3a of the conventional holder 3 is abolished, and the pigtail 1 is protruded from the notch 2a of the plate 2.
上記構成によれば、ブラシホルダ構造の中で一
番剛性の低いホルダ３の切欠き３ａを廃止できる
ので、ホルダ３の耐振性向上になり、又、プレー
ト２はホルダ構造の中で一番剛性が高いので、ピ
グテール１逃げの切欠き２ａ程度では振動に対し
て問題ないので、ブラシホルダ３全体として耐振
性が向上するという優れた効果がある。 According to the above configuration, the notch 3a of the holder 3, which has the lowest rigidity among the brush holder structures, can be eliminated, so the vibration resistance of the holder 3 is improved, and the plate 2 has the lowest rigidity among the holder structures. Since the vibration resistance is high, there is no problem with vibration in the notch 2a of the pigtail 1 relief, so there is an excellent effect that the vibration resistance of the brush holder 3 as a whole is improved.
なお、フイールドコイル１がブラシホルダに対
してプレート２側にある場合、第３図の様にピグ
テール１の長さを短かくできるのでコストダウン
にもなる。 In addition, when the field coil 1 is located on the plate 2 side with respect to the brush holder, the length of the pigtail 1 can be shortened as shown in FIG. 3, resulting in cost reduction.
第１図は従来構造を示す正面図、第２図は第１
図の右側面図、第３図は本発明構造の一実施例を
示す正面図、第４図は第３図の右側面図、第５図
は第３図の底面図である。
１……ピグテール、２……プレート、２ａ……
切欠き、３……ホルダ、４……ブラシ。
Figure 1 is a front view showing the conventional structure, and Figure 2 is the front view of the conventional structure.
3 is a front view showing one embodiment of the structure of the present invention, FIG. 4 is a right side view of FIG. 3, and FIG. 5 is a bottom view of FIG. 3. 1...Pigtail, 2...Plate, 2a...
Notch, 3...Holder, 4...Brush.
Claims (1)
その開口部を覆うようにプレートに固定され、こ
のプレートとホルダとにより包囲されて形成され
る角筒内を前記ブラシが摺動するブラシホルダ構
造において、前記ブラシに接続されるピグテール
を前記ホルダ外に出すピグテール逃げの切欠きを
前記ホルダの開口部が対向する前記プレートに形
成して前記ピグテールをこの切欠きを通して前記
プレート側より出すブラシホルダ構造。1. A brush holder in which a holder that covers three sides of a brush of a rotating electric machine is fixed to a plate so as to cover the opening thereof, and the brush slides within a rectangular tube surrounded by the plate and the holder. In the structure, a pigtail relief notch is formed in the plate facing the opening of the holder to allow the pigtail connected to the brush to come out of the holder, and the pigtail is taken out from the plate side through the notch. structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20491482A JPS5994389A (en) | 1982-11-22 | 1982-11-22 | Brush holder structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20491482A JPS5994389A (en) | 1982-11-22 | 1982-11-22 | Brush holder structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5994389A JPS5994389A (en) | 1984-05-31 |
| JPH0364992B2 true JPH0364992B2 (en) | 1991-10-09 |
Family
ID=16498464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20491482A Granted JPS5994389A (en) | 1982-11-22 | 1982-11-22 | Brush holder structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5994389A (en) |
-
1982
- 1982-11-22 JP JP20491482A patent/JPS5994389A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5994389A (en) | 1984-05-31 |
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