JPS6219090Y2 - - Google Patents
Info
- Publication number
- JPS6219090Y2 JPS6219090Y2 JP2305981U JP2305981U JPS6219090Y2 JP S6219090 Y2 JPS6219090 Y2 JP S6219090Y2 JP 2305981 U JP2305981 U JP 2305981U JP 2305981 U JP2305981 U JP 2305981U JP S6219090 Y2 JPS6219090 Y2 JP S6219090Y2
- Authority
- JP
- Japan
- Prior art keywords
- brush
- plate
- sliding part
- contact
- viscoelastic body
- 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
- 239000002184 metal Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 5
- 244000145845 chattering Species 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000003190 viscoelastic substance Substances 0.000 description 1
Landscapes
- Motor Or Generator Current Collectors (AREA)
Description
【考案の詳細な説明】
本考案は小型モーターの刷子装置の改良に関す
る。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement of a small motor brush device.
在来の刷子装置は肉薄、または細線状の良導電
性の金属体を打抜き先端摺動部位を幅狭に形成
し、または細線を適宜長さに切断したものを摺動
片として用いるが、その摺動部位がモーターの整
流子の表面と接触摺動するとき微振動を生じ、従
つてチヤツタリング等の原因となつてモーターの
寿命ばかりでなく刷子自体の折損等を生じるとい
う問題があつた。 Conventional brush devices use a thin or fine wire-shaped, highly conductive metal body by punching it out so that the sliding portion at the tip is narrow, or cutting a thin wire to an appropriate length as the sliding piece. When the sliding part slides in contact with the surface of the commutator of the motor, slight vibrations are generated, which causes chattering, which not only shortens the life of the motor but also causes breakage of the brush itself.
本考案はこの問題の解決を目的とする。 The present invention aims to solve this problem.
従来例は第１図に示すごとく刷子１の基部１ａ
が刷子固定部９に支持され摺動部２は整流子板４
上の金属片３と接触摺動して導電点を形成してい
る。整流子板４上には金属片間に溝５が形成され
ている。したがつて、整流子板４の回転によつて
刷子１、特に刷子１の摺動部２は微振動を誘発す
ることが多い。このため、摺動部２が不完全接触
を起こし、その時生じる電弧により金属片３を損
傷するばかりでなく、該刷子１の前記導電点をも
損傷する。このため、第２図のように改善された
案もある。第２図の特徴は刷子１を複数板（また
は複数本）付設し、刷子と金属片３とが離れて接
触不良を生ずることを防ぐために刷子１の接触部
２の接触点を、それぞれ距離ｄを置いて金属片３
に接するようにしてある。しかしながら、この方
法といえども相互に微振動を誘発して、２つの接
触点が同時に該金属片３から離反することがあ
る。 In the conventional example, as shown in FIG.
is supported by the brush fixing part 9, and the sliding part 2 is supported by the commutator plate 4.
It slides into contact with the upper metal piece 3 to form a conductive point. Grooves 5 are formed on the commutator plate 4 between the metal pieces. Therefore, the rotation of the commutator plate 4 often induces slight vibrations in the brush 1, particularly in the sliding portion 2 of the brush 1. Therefore, the sliding part 2 causes incomplete contact, and the electric arc generated at that time not only damages the metal piece 3 but also damages the conductive points of the brush 1. For this reason, there are some improved plans as shown in Figure 2. The feature of FIG. 2 is that the brush 1 is attached to a plurality of plates (or a plurality of pieces), and in order to prevent the brush and the metal piece 3 from coming apart and causing poor contact, the contact points of the contact portion 2 of the brush 1 are set at a distance d from each other. Place the metal piece 3
It is designed so that it is in contact with However, even with this method, slight vibrations may be induced in each other, and the two contact points may separate from the metal piece 3 at the same time.
本考案は叙述の問題を改良しようとするもので
ある。 The present invention attempts to improve the descriptive problem.
本考案は、断面Ｕ字状に形成した板状又は線状
の刷子の一端を導電性支持板に接合し、該接合部
を包んで粘弾性体を取付け、刷子の他端を円弧状
の摺動部に形成してなる小型モータの刷子装置に
関する。 In the present invention, one end of a plate-like or linear brush formed in a U-shaped cross section is joined to a conductive support plate, a viscoelastic body is attached to wrap the joint, and the other end of the brush is attached to an arc-shaped brush. The present invention relates to a brush device with a small motor formed in a moving part.
以下、本考案の実施例を図面を参考にして説明
する。第３図は本考案刷子装置の一実施例の断面
図、第４図は同実施例の斜視図である。同図にお
いて、刷子１は良導電性の薄金属板を打抜き形成
されたもので、その一端の基部１ａは固定部９に
支持されるやや厚めの導電性支持板６に接合され
ている。刷子１の他端摺動部２に円弧状に形成さ
れ整流子板４上の金属片３に接触摺動する。前記
導電性支持板６と刷子１の基部１ａとは導電性接
着剤８で接合され、該接合部はゴムのような粘弾
性体７で厚く包み込まれて取付けられる。５は金
属片間の溝である。 Embodiments of the present invention will be described below with reference to the drawings. FIG. 3 is a sectional view of one embodiment of the brush device of the present invention, and FIG. 4 is a perspective view of the same embodiment. In the figure, a brush 1 is formed by punching out a thin metal plate with good conductivity, and a base portion 1a at one end thereof is joined to a slightly thick conductive support plate 6 supported by a fixing portion 9. The sliding portion 2 at the other end of the brush 1 is formed in an arc shape and slides in contact with the metal piece 3 on the commutator plate 4 . The conductive support plate 6 and the base portion 1a of the brush 1 are bonded with a conductive adhesive 8, and the bonded portion is wrapped thickly with a viscoelastic material 7 such as rubber. 5 is a groove between metal pieces.
なお、刷子１の形状は薄板状に限らず、細線状
良導電体であつてもよい。また、刷子１は第４図
に示すように摺動方向に平行に複数に分けると整
流子板の金属片との接触箇所が多くなつて好まし
い。複数に分けるかどうかはモーター容量または
形状寸法を検討して決定する。 Note that the shape of the brush 1 is not limited to a thin plate shape, but may be a thin wire-like conductive material. Further, it is preferable to divide the brush 1 into a plurality of parts parallel to the sliding direction as shown in FIG. 4, since this increases the number of contact points with the metal pieces of the commutator plate. Whether to divide the motor into multiple parts is determined by considering the motor capacity or shape and dimensions.
粘弾性体７の材質及び形状は摺動部２からくる
振動を吸収するものであればよく特に制限はない
が、材質はニトリルゴム、軟質の塩化ビニル樹脂
等のゴム、プラスチツクが好ましい。該刷子１の
摺動部２の自由端は容易に該粘弾性体７の下端
７′に接するようにすれば、粘弾性体７が摺動部
２の微振動を抑制する効果が大きくなるので好ま
しい。第５図は、前記粘弾性体を下方に形状拡大
させて凸部となし、前記刷子１の摺動部２の自由
端を動作時に常時粘弾性体の下端７′に接するよ
うにして、前記した摺動部２の微振動抑制効果を
更に大きくしたものである。いま、この装置が使
用状態で摺動部２が整流子板４の表面を摺動した
とき、従来例の場合と同様に溝５等によつて微振
動を誘発されるような作動があつた場合、該粘弾
性体７はそれを吸収するように作用し、刷子１の
対整流子作動に対する追従性を良好にしてチヤツ
タリング等を抑制することによつてモーターの性
能を長寿命に保つ効果を発揮する。 The material and shape of the viscoelastic body 7 are not particularly limited as long as they absorb vibrations coming from the sliding part 2, but the preferred materials are rubbers such as nitrile rubber and soft polyvinyl chloride resin, and plastics. If the free end of the sliding part 2 of the brush 1 is easily brought into contact with the lower end 7' of the viscoelastic body 7, the effect of the viscoelastic body 7 in suppressing micro-vibrations of the sliding part 2 is increased, which is preferable. In Fig. 5, the viscoelastic body is expanded downward to form a convex part, and the free end of the sliding part 2 of the brush 1 is always brought into contact with the lower end 7' of the viscoelastic body during operation, thereby further increasing the effect of suppressing micro-vibrations of the sliding part 2. Now, when this device is in use and the sliding part 2 slides on the surface of the commutator plate 4, if there is any action that induces micro-vibrations due to the grooves 5, etc., as in the prior art, the viscoelastic body 7 acts to absorb such vibrations, improving the ability of the brush 1 to follow the action of the commutator, thereby suppressing chattering, etc., and thereby demonstrating the effect of maintaining the performance of the motor for a long life.
本考案の刷子装置はＵ字状に形成した板状又は
線状の刷子及び粘弾性体の振動吸収作用によつて
チヤツタリング等の誘発を抑制するのでモーター
の寿命を長くでき、損傷を低減できる効果があ
る。 The brush device of the present invention has the effect of extending the life of the motor and reducing damage because it suppresses the induction of chattering etc. by the vibration absorption effect of the U-shaped plate or linear brush and the viscoelastic body. There is.
第１図及び第２図は従来例の刷子装置の断面
図、第３図は本考案刷子装置の一実施例の断面
図、第４図は同実施例の斜視図、第５図は本考案
の他の実施例の断面図である。
符号の説明、１……刷子、１ａ……基部、２…
…摺動部、３……金属片、４……整流子板、５…
…溝、６……導電性支持板、７……粘弾性体、
７′……下端、８……導電性接着剤、９……固定
部。
1 and 2 are sectional views of a conventional brush device, FIG. 3 is a sectional view of an embodiment of the brush device of the present invention, FIG. 4 is a perspective view of the same embodiment, and FIG. 5 is a sectional view of the brush device of the present invention. FIG. 3 is a sectional view of another embodiment of the invention. Explanation of symbols, 1...Brush, 1a...Base, 2...
...Sliding part, 3...Metal piece, 4...Commutator plate, 5...
... groove, 6 ... conductive support plate, 7 ... viscoelastic body,
7'...lower end, 8...conductive adhesive, 9...fixing part.
Claims (1)
一端を導電性支持板に接合し、該接合部を包んで
粘弾性体を取付け、刷子の他端を円弧状の摺動部
に形成してなる小型モータの刷子装置。 One end of a plate-shaped or linear brush with a U-shaped cross section is joined to a conductive support plate, a viscoelastic body is attached around the joint, and the other end of the brush is attached to an arc-shaped sliding part. A brush device with a small motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2305981U JPS6219090Y2 (en) | 1981-02-19 | 1981-02-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2305981U JPS6219090Y2 (en) | 1981-02-19 | 1981-02-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57135883U JPS57135883U (en) | 1982-08-24 |
| JPS6219090Y2 true JPS6219090Y2 (en) | 1987-05-15 |
Family
ID=29820827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2305981U Expired JPS6219090Y2 (en) | 1981-02-19 | 1981-02-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6219090Y2 (en) |
-
1981
- 1981-02-19 JP JP2305981U patent/JPS6219090Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57135883U (en) | 1982-08-24 |
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