JPH0424775Y2 - - Google Patents
Info
- Publication number
- JPH0424775Y2 JPH0424775Y2 JP18575986U JP18575986U JPH0424775Y2 JP H0424775 Y2 JPH0424775 Y2 JP H0424775Y2 JP 18575986 U JP18575986 U JP 18575986U JP 18575986 U JP18575986 U JP 18575986U JP H0424775 Y2 JPH0424775 Y2 JP H0424775Y2
- Authority
- JP
- Japan
- Prior art keywords
- brush
- spring plate
- divided
- hole
- extension
- 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
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Motor Or Generator Current Collectors (AREA)
Description
【考案の詳細な説明】
イ 考案の目的
〔産業上の利用分野〕
本考案は小形電気モータのブラシ装置に関す
る。[Detailed description of the invention] A. Purpose of the invention [Field of industrial application] The present invention relates to a brush device for a small electric motor.
一般に第４図に示すようにバネ板１の端部にブ
ラシ２の取付け部２１を嵌合する穴１４と、その
穴１４の両側方のバネ板拡大部１２を折り曲げて
バネ板上面に略八字形に形成したフラツプ１２と
を設け、ブラシ２をその肩段部２２がバネ板下面
に当るまで嵌合穴１４とフラツプ１２，１２間の
隙間とに差し込むことによつてブラシ２を保持す
る構成のものが用いられている。
Generally, as shown in FIG. 4, there is a hole 14 in which the attachment part 21 of the brush 2 is fitted into the end of the spring plate 1, and the enlarged parts 12 of the spring plate on both sides of the hole 14 are bent to form approximately eight holes on the upper surface of the spring plate. A configuration in which the brush 2 is held by inserting the brush 2 into the fitting hole 14 and the gap between the flaps 12, 12 until the shoulder part 22 of the flap 12 is provided with a flap 12 formed in the shape of a letter. are used.
ところが最近、ブラシ装置は摺動抵抗の時間的
変化や起動不能の起る確率を低くするためブラシ
部材を複数個にし、それぞれが独立したバネ系に
よつて保持されているものが要請される。 Recently, however, there has been a demand for brush devices that have a plurality of brush members, each of which is held by an independent spring system, in order to reduce the probability of changes in sliding resistance over time and the possibility of failure to start.
そのため第５図に示すように、バネ板１を二又
に分割してそれぞれの分割片１１にブラシ嵌合穴
１４を設け、その各穴にブラシの取付け部２１を
挿入して導電性接着剤３で分割片１１に固着した
ものが用いられる。ところがこの構成では、導電
性接着剤３で接着する前にブラシ２をバネ板１に
仮止めできず、そのため形状寸法が非常に小さい
ブラシ（例１×２×２mm）をバネ板に接着する作
業性が悪いこと、接着材をつける工程が不可欠で
あることなどの欠点を有する。 Therefore, as shown in FIG. 5, the spring plate 1 is divided into two parts, each divided piece 11 is provided with a brush fitting hole 14, and the brush attachment part 21 is inserted into each hole. 3, which is fixed to the divided piece 11, is used. However, with this configuration, it is not possible to temporarily fix the brush 2 to the spring plate 1 before adhering it with the conductive adhesive 3, and therefore the work of gluing a brush with very small dimensions (example 1 x 2 x 2 mm) to the spring plate is difficult. It has disadvantages such as poor properties and the necessity of applying an adhesive.
そこで第６図に示すように、第５図のバネ板分
割と、その各分割片に第４図のブラシ保持機構を
適用したものが考えられる。 Therefore, as shown in FIG. 6, it is conceivable that the spring plate shown in FIG. 5 is divided and the brush holding mechanism shown in FIG. 4 is applied to each of the divided pieces.
ところが第６図の構造のものは各分割片１１に
第６図ｃのように両外側に拡大部１２を有するた
め、製品の幅方向寸法Ａ・ブラシの間隔Ｂが非常
に大きくなるという問題点がある。
However, in the structure shown in FIG. 6, each divided piece 11 has enlarged portions 12 on both outer sides as shown in FIG. There is.
この考案は上記の問題点を解消した小形モータ
のブラシ装置を提供することを目的とする。 The object of this invention is to provide a brush device for a small motor that solves the above-mentioned problems.
ロ 考案の構成
〔問題点を解決するための手段〕
本考案は、バネ板１を二又に分割し、その各分
割片１１の端部上面に外側から内側に向つて略Ｕ
字形に折り曲げたブラシ保持面１６を向い合つて
形成し、そのＵ字形曲げ部の分割片１１の板面の
延長部とその延長部に合致する保持面１６とに対
向してブラシ嵌合穴１４，１５を設け、ブラシ２
の取付け部２１をその対向する二つの穴１４，１
５に嵌合させた小形モータのブラシ装置である。B. Structure of the invention [Means for solving the problem] The present invention divides the spring plate 1 into two parts, and the upper surface of the end of each divided piece 11 has a shape of approximately U from the outside to the inside.
Brush holding surfaces 16 bent into a letter shape are formed facing each other, and a brush fitting hole 14 is formed opposite to an extension of the plate surface of the divided piece 11 of the U-shaped bent portion and a holding surface 16 that matches the extension. , 15 are provided, and the brush 2
The mounting portion 21 of the
This is a small motor brush device that is fitted with a motor.
この考案では、バネ板の各分割片１１の端部上
面に外側から内側に向つてほぼＵ字型に折り曲げ
たブラシ保持面１６を形成したので、その折り曲
げ部外側間の幅寸法Ａ・ブラシ間隔Ｂが小さくで
きる。またＵ字形の折り曲げ部の二面の嵌合穴１
４，１５にブラシ２の取付け部２１を嵌合させる
と、バネ板材のＵ字形曲げ弾性によつてブラシ取
付け部２１を保持することができるので仮止めを
必要としない。
In this invention, the brush holding surface 16 is formed on the upper surface of the end of each divided piece 11 of the spring plate, and the brush holding surface 16 is bent from the outside to the inside in a substantially U-shape. B can be made smaller. Also, the fitting hole 1 on the two sides of the U-shaped bent part
When the attachment portion 21 of the brush 2 is fitted into the brush attachment portions 4 and 15, the brush attachment portion 21 can be held by the U-shaped bending elasticity of the spring plate material, and no temporary fixing is required.
本考案は、第１図ｃの展開図に示すとおりベリ
リウム銅・リン青銅・ステンレスなどのバネ板１
の各分割片１１の端部の外側に拡大部１６を一体
に形成してＵ字形に上方に折り曲げる。その拡大
部１６と各分割片１１，１１の延長部とに、折り
曲げたとき合致する嵌合穴１５，１４を予めパン
チであけておく。そして必要に応じ嵌合穴の一方
例えば１５を第１図ａ，ｃのように穴１４に対し
僅小角度θ傾斜させておくと、第１図ａの実線穴
１５・点線穴１４のように僅かに食い違い、嵌合
したブラシ取付け部２１の位置決め保持が一層確
実に行われる。
As shown in the developed view in Figure 1c, the present invention consists of a spring plate 1 made of beryllium copper, phosphor bronze, stainless steel, etc.
An enlarged part 16 is integrally formed on the outside of the end of each divided piece 11, and is bent upward into a U-shape. Fitting holes 15, 14 are punched in advance in the enlarged portion 16 and the extension portions of the divided pieces 11, 11, which will match when bent. If necessary, one of the fitting holes, for example 15, is inclined at a slight angle θ with respect to the hole 14 as shown in Figure 1 a and c, so that the hole 15 with a solid line and the hole with a dotted line 14 in Figure 1 a are formed. The brush mounting portions 21 that are slightly misaligned and fitted can be positioned and held more reliably.
第２図ａ，ｂ，ｃは、長方形の形状をしたブラ
シ嵌合穴１５の周辺のうちバネ板１の中心線と平
行な穴縁に外向きに傾斜した係止爪１７を作り、
その弾性によつて嵌入されたブラシ取付け部２１
を外側から押しつけて保持力を増大させた実施例
である。 In FIGS. 2a, b, and c, an outwardly inclined locking pawl 17 is formed on the hole edge parallel to the center line of the spring plate 1 in the periphery of the rectangular brush fitting hole 15, and
Brush attachment part 21 fitted due to its elasticity
This is an example in which the holding force is increased by pressing from the outside.
第３図ａ，ｂ，ｃは上記の係止爪１７を穴１５
の短辺側に設けた例を示す。 Figures 3a, b, and c show the locking claw 17 inserted into the hole 15.
An example is shown in which it is provided on the short side of .
ハ 考案の効果
本考案は上記の構成であるから、二又板バネブ
ラシ装置が、その幅寸法・ブラシ間隔が小さく構
成される。またＵ字形ブラシ保持面の上下二つの
穴にブラシ取付け部を嵌合するので、単に嵌合す
るだけで導電性接着剤を必要としないで保持さ
れ、作業性・量産性に優れ安価に製造できる。C. Effects of the Invention Since the present invention has the above configuration, the forked leaf spring brush device is configured to have a small width and a small brush interval. In addition, since the brush mounting part fits into the two holes on the top and bottom of the U-shaped brush holding surface, it can be held simply by fitting without the need for conductive adhesive, making it highly workable and mass-producible, and can be manufactured at low cost. .
第１図ないし第３図は本考案の実施例、第４図
ないし第６図は従来例の各説明図。
１はバネ板、１１はバネ板の分割片、１６はＵ
字形ブラシ保持面、１４，１５はブラシ嵌合穴、
２はブラシ、２１は取付け部。
FIGS. 1 to 3 are explanatory diagrams of an embodiment of the present invention, and FIGS. 4 to 6 are explanatory diagrams of a conventional example. 1 is a spring plate, 11 is a divided piece of the spring plate, 16 is a U
Letter-shaped brush holding surface, 14 and 15 are brush fitting holes,
2 is a brush, 21 is a mounting part.
Claims (1)
面に外側から内側に向つて略Ｕ字形に折り曲げた
ブラシ保持面を向い合つて形成し、そのＵ字形曲
げ部の分割片の板面の延長部と、その延長部に合
致する保持面とに対向してブラシ嵌合穴を設け、
ブラシの取付け部をその対向する二つの穴に嵌合
させた小形モータのブラシ装置。 The spring plate is divided into two parts, and brush holding surfaces bent in a substantially U-shape from the outside to the inside are formed on the upper surface of the end of each of the divided pieces, facing each other, and the plates of the divided pieces of the U-shaped bent part are formed so as to face each other. A brush fitting hole is provided opposite the extension of the surface and the holding surface that matches the extension,
A brush device for a small motor in which the brush mounting part is fitted into two opposing holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18575986U JPH0424775Y2 (en) | 1986-12-02 | 1986-12-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18575986U JPH0424775Y2 (en) | 1986-12-02 | 1986-12-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6390964U JPS6390964U (en) | 1988-06-13 |
| JPH0424775Y2 true JPH0424775Y2 (en) | 1992-06-11 |
Family
ID=31134687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18575986U Expired JPH0424775Y2 (en) | 1986-12-02 | 1986-12-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0424775Y2 (en) |
-
1986
- 1986-12-02 JP JP18575986U patent/JPH0424775Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6390964U (en) | 1988-06-13 |
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