JPH066706Y2 - Flat coreless motor rotor - Google Patents
Flat coreless motor rotorInfo
- Publication number
- JPH066706Y2 JPH066706Y2 JP1988088134U JP8813488U JPH066706Y2 JP H066706 Y2 JPH066706 Y2 JP H066706Y2 JP 1988088134 U JP1988088134 U JP 1988088134U JP 8813488 U JP8813488 U JP 8813488U JP H066706 Y2 JPH066706 Y2 JP H066706Y2
- Authority
- JP
- Japan
- Prior art keywords
- armature coil
- resin
- commutator
- coreless motor
- flat coreless
- 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 - Lifetime
Links
Landscapes
- Motor Or Generator Current Collectors (AREA)
- Dc Machiner (AREA)
Description
【考案の詳細な説明】 ［考案の目的］ （産業上の利用分野） この考案は、精密音響機器、オフィスオートメーション
機器、映像機器などに搭載される扁平コアレスモータの
ロータに関する。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial field of application) The present invention relates to a rotor for a flat coreless motor mounted in precision audio equipment, office automation equipment, video equipment and the like.
（従来の技術） 従来のこの種の扁平コアレスモータのロータは第１図に
みられるように、電機子コイル１とシャフト２を一体に
樹脂成形したもので、前記電機子コイル１の内径部は空
心となっていた。(Prior Art) As shown in FIG. 1, a rotor of a conventional flat coreless motor of this type is made by integrally molding an armature coil 1 and a shaft 2 with a resin, and the inner diameter portion of the armature coil 1 is It was an empty heart.
また、成形構造上巻始め、巻終りを成形樹脂より引き出
さなくてはならないデルタ結線方式が難しく、図のよう
に結線部１１で３つの電機子コイルの巻終わりを半田付
けしたスター結線方式が主流だった。なお、１２は電機
子コイル１の巻始めである。In addition, it is difficult to use the delta connection method in which the winding start and the winding end must be pulled out from the molding resin due to the molding structure. It was In addition, 12 is a winding start of the armature coil 1.
（考案が解決しようとする問題点） したがって、このような構造のロータは、厚みが薄くな
ればなるほど剛性がなくなり、前記電機子コイル１に通
電される電流によって発生する鳴き音が機械的騒音とし
て問題になっていた。(Problems to be solved by the invention) Therefore, the rotor having such a structure becomes less rigid as the thickness becomes thinner, and the squeaking noise generated by the current supplied to the armature coil 1 becomes mechanical noise. It was a problem.
また、低電圧で駆動される場合スター結線では太い線材
を使用するので電機子コイルの外形が大きくなるととも
に整列巻性が悪くなるといった欠点があり、低電流化、
高効率化が難しかった。Further, when driven at a low voltage, since a thick wire is used in star connection, there is a disadvantage that the outer shape of the armature coil becomes large and the aligned winding property deteriorates.
It was difficult to improve efficiency.
この考案はこの問題を解決しようとするもので、超薄型
でも剛性を持ち、電機子コイルの通電による鳴き音のな
い扁平コアレスモータのロータの提供を目的とするもの
である。The present invention is intended to solve this problem, and an object thereof is to provide a rotor for a flat coreless motor which has rigidity even when it is ultra-thin and has no noise caused by energization of an armature coil.
［考案の構成］ （問題点を解決するための手段） この考案の扁平コアレスモータのロータは、複数個の電
機子コイル（１）を互いに重畳しないように樹脂（４）
で一体成形してなる扁平コアレスモータのロータにおい
て、一面に印刷配線基板からなるコンミテータ配設部材
（３）を添設し、このコンミテータ配設部材（３）の外
周部の結線パターン部（３ａ）に前記電機子コイル
（１）の端末（１ａ，１ｂ）を結線し、前記電機子コイ
ル（１）の内径側に樹脂（４ａ）を充填させると共にこ
の樹脂（４ａ）の一部４ｃが巻始め端末（１ａ）を保護
するように連通して前記結線パターン部（３ａ）を被う
ようにかつ、コンミテータ結線パターン部（３ｂ）を露
出するように一体成形してなるものである。[Structure of the Invention] (Means for Solving the Problems) The rotor of the flat coreless motor of the present invention has a resin (4) so that a plurality of armature coils (1) are not overlapped with each other.
In a rotor of a flat coreless motor integrally formed with, a commutator arranging member (3) made of a printed wiring board is additionally provided on one surface, and a wiring pattern portion (3a) on the outer peripheral portion of the commutator arranging member (3) The terminals (1a, 1b) of the armature coil (1) are connected to the inside of the armature coil (1), the resin (4a) is filled into the inner diameter side of the armature coil (1), and a part 4c of the resin (4a) starts winding. The terminal (1a) is integrally formed so as to communicate with the terminal (1a) so as to cover the connection pattern portion (3a) and to expose the commutator connection pattern portion (3b).
（作用） このように構成されていれば、前記電機子コイルを外径
側と内径側から成形樹脂で押さえるのでロータが薄くて
も剛性が得られる。また、前記電機子コイルの端末を配
線した印刷配線基板からなるコンミテータ配設部材を介
しても前記電機子コイルを樹脂で押さえているのでさら
に強い剛性が得られる。したがって、前記電機子コイル
に通電して発生する機械的騒音（いわゆる鳴き音）が著
しく低減されるものである。(Operation) With this structure, since the armature coil is pressed by the molding resin from the outer diameter side and the inner diameter side, rigidity can be obtained even if the rotor is thin. Further, since the armature coil is pressed by the resin even through the commutator arranging member formed of the printed wiring board on which the terminals of the armature coil are wired, stronger rigidity can be obtained. Therefore, mechanical noise (so-called squeaking noise) generated by energizing the armature coil is significantly reduced.
（実施例） 以下、この考案の実施例を図面に従って説明する。Embodiment An embodiment of the present invention will be described below with reference to the drawings.
第２図はこの考案の実施例の扁平コアレスモータのロー
タの平面図である。FIG. 2 is a plan view of the rotor of the flat coreless motor according to the embodiment of the present invention.
すなわち１は電機子コイルで、２はシャフト、３は薄い
印刷配線基板からなるコンミテータ配設部材で、破線で
示すように電機子コイル端末１ａ、１ｂの結線パターン
３ａ、コンミテータ結線パターン３ｂが印刷されてい
る。４は成形樹脂部で、４ａは内径部、４ｂは外径部、
４１，４２はゲート部である。各電機子コイル１の巻始
め１ａ、巻終り１ｂはあらかじめ前記コンミテータ配設
部材３の外周部の結線パターン３ａにデルタ結線になる
ように半田付結線してある。That is, 1 is an armature coil, 2 is a shaft, 3 is a commutator arranging member made of a thin printed wiring board, and the wiring patterns 3a of the armature coil terminals 1a and 1b and the commutator wiring pattern 3b are printed as indicated by broken lines. ing. 4 is a molded resin portion, 4a is an inner diameter portion, 4b is an outer diameter portion,
41 and 42 are gate parts. The winding start 1a and the winding end 1b of each armature coil 1 are soldered and connected in advance to the connection pattern 3a on the outer peripheral portion of the commutator arranging member 3 so as to form a delta connection.
第３図は同断面図で、前記電機子コイル１の内径部にゲ
ート４２から充填された樹脂と外径部にゲート４１から
充填された樹脂が前記コンミテータ配設部材３を押さえ
込むように一体成形されている。そして、前記内径側に
充填させた樹脂（４ａ）の一部（４ｃ）は巻始め端末１
ａを保護するように連通して、パターン部３ａを被うよ
うにかつ、コンミテータ結線パターン（３ｂ）を露出す
るように前記結線形成しているのが特徴である。FIG. 3 is a sectional view of the armature coil 1. The resin filled from the gate 42 in the inner diameter portion of the armature coil 1 and the resin filled from the gate 41 in the outer diameter portion of the armature coil 1 are integrally molded so as to press down the commutator arranging member 3. Has been done. Then, a part (4c) of the resin (4a) filled on the inner diameter side is wound at the end 1 of the winding.
It is characterized in that the connection is formed so as to communicate so as to protect a, cover the pattern portion 3a, and expose the commutator connection pattern (3b).
第４図において、５はモータを構成したとき界磁マグネ
ット（図示せず）に付勢されるようにしたケイ素鋼板等
からなる吸引板でやはり前記コンミテータ配設部材の反
対側に樹脂４で一体成形されている。In FIG. 4, reference numeral 5 is a suction plate made of a silicon steel plate or the like that is urged by a field magnet (not shown) when the motor is constructed, and is also integrated with resin 4 on the opposite side of the commutator arranging member. It is molded.
［考案の効果］ 以上のようにこの考案によれば、（イ）電機子コイルは
内径、外径とも樹脂で押さえられるので扁平化しても強
い剛性が得られることとなり、電機子コイルの通電によ
る音響ノイズを封じ込めることができる。（ロ）前記コ
ンミテータ配設部材によってデルタ結線でも成形が可能
となるため、細線が巻回できることになり、整列巻が可
能となるため、占積率を上げることができるので、効率
が高くなる。（ハ）コンミテータの自動半田付が容易と
なるといった格別の効果を奏するものである。[Advantage of the Invention] As described above, according to the present invention, (a) the armature coil is pressed by the resin in both the inner diameter and the outer diameter, so that even if it is flattened, strong rigidity can be obtained. Can contain acoustic noise. (B) Since the commutator arranging member enables molding even in delta connection, fine wires can be wound and aligned winding can be performed, so that the space factor can be increased and efficiency is increased. (C) The special effect of facilitating automatic soldering of the commutator is achieved.
第１図は従来例を示す平面図、第２図はこの考案の実施
例を示す平面図、第３図は同断面図、第４図は同下面図
である。 １は電機子コイル、 ２はシャフト、 ３はコンミテータ配設部材、 ４は成形樹脂部、 ４１，４２はゲート部、 ５は吸引板である。FIG. 1 is a plan view showing a conventional example, FIG. 2 is a plan view showing an embodiment of the present invention, FIG. 3 is a sectional view of the same, and FIG. 4 is a bottom view of the same. 1 is an armature coil, 2 is a shaft, 3 is a commutator arranging member, 4 is a molded resin part, 41 and 42 are gate parts, and 5 is a suction plate.
Claims (1)
しないように樹脂（４）で一体成形してなる扁平コアレ
スモータのロータにおいて、一面に印刷配線基板からな
るコンミテータ配設部材（３）を添設し、このコンミテ
ータ配設部材（３）の外周部の結線パターン部（３ａ）
に前記電機子コイル（１）の端末（１ａ，１ｂ）を結線
し、前記電機子コイル（１）の内径側に樹脂（４ａ）を
充填させると共にこの樹脂（４ａ）の一部４ｃが巻始め
端末（１ａ）を保護するように連通して前記結線パター
ン部（３ａ）を被うようにかつ、コンミテータ結線パタ
ーン部（３ｂ）を露出するように一体成形してなる扁平
コアレスモータのロータ。1. A rotor for a flat coreless motor in which a plurality of armature coils (1) are integrally molded with resin (4) so as not to overlap each other, and a commutator arranging member (3) having a printed wiring board on one surface thereof. ) Is additionally provided, and the connection pattern portion (3a) on the outer peripheral portion of the commutator arranging member (3)
The terminals (1a, 1b) of the armature coil (1) are connected to the inside of the armature coil (1), the resin (4a) is filled into the inner diameter side of the armature coil (1), and a part 4c of the resin (4a) A rotor for a flat coreless motor, which is integrally formed so as to communicate so as to protect the terminal (1a) so as to cover the connection pattern portion (3a) and expose the commutator connection pattern portion (3b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988088134U JPH066706Y2 (en) | 1988-07-01 | 1988-07-01 | Flat coreless motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988088134U JPH066706Y2 (en) | 1988-07-01 | 1988-07-01 | Flat coreless motor rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0210775U JPH0210775U (en) | 1990-01-23 |
| JPH066706Y2 true JPH066706Y2 (en) | 1994-02-16 |
Family
ID=31312710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988088134U Expired - Lifetime JPH066706Y2 (en) | 1988-07-01 | 1988-07-01 | Flat coreless motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH066706Y2 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5217605A (en) * | 1975-07-31 | 1977-02-09 | Itsuki Ban | Float type small commutating motor |
| JPS5432707A (en) * | 1977-08-16 | 1979-03-10 | Sekoh Giken Kk | Apparatus for and method of manufacturing armature employed in motor with void in axial direction |
| JPS58179880U (en) * | 1982-05-24 | 1983-12-01 | ミツミ電機株式会社 | Rotor of flat coreless motor |
| JPS5995784U (en) * | 1982-12-16 | 1984-06-29 | 三洋電機株式会社 | DC motor |
| JPS6014664U (en) * | 1983-07-11 | 1985-01-31 | 東京パ−ツ工業株式会社 | Ring varistor for small coreless flat motor |
-
1988
- 1988-07-01 JP JP1988088134U patent/JPH066706Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0210775U (en) | 1990-01-23 |
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