JPH0197159A - Stepping motor - Google Patents
Stepping motorInfo
- Publication number
- JPH0197159A JPH0197159A JP25102387A JP25102387A JPH0197159A JP H0197159 A JPH0197159 A JP H0197159A JP 25102387 A JP25102387 A JP 25102387A JP 25102387 A JP25102387 A JP 25102387A JP H0197159 A JPH0197159 A JP H0197159A
- Authority
- JP
- Japan
- Prior art keywords
- lead wire
- printed board
- stator
- circuit board
- printed circuit
- 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
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims abstract description 37
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000011889 copper foil Substances 0.000 claims description 4
- 230000005405 multipole Effects 0.000 claims description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 abstract description 2
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 239000002184 metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 238000004804 winding Methods 0.000 description 5
- 210000000078 claw Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Landscapes
- Windings For Motors And Generators (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明はプリンタ、タイプライタ等の事務機器に用いら
れる小形薄形のステッピングモータに関するものである
。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a small and thin stepping motor used in office equipment such as printers and typewriters.
従来の技術
ステッピングモータは一人力信号に対し一進歩角だけ回
転するもので、プリンタ、タイプライタ等の事務機器に
於いて、出力源として広（普及している。そして、これ
ら事務機器の小形軽量化に伴い、搭載されるステッピン
グモータも同様に小形薄形化の方向にあるが、市場での
価格競争とあいまって、コイル数の多いステッピングモ
ータはコイルの端末処理やり７ド線引出し部に自動組立
を前提とした端子、金具等の部品が付加され、これらを
覆うハウジングカバーがモーフ本体から突出しており、
小形薄形のステッピングモータにはこのような突出部が
必要となる従来の方法の適応は難しいとされていた。Conventional technology A stepping motor rotates by one step angle in response to a human power signal, and is widely used as an output source in office equipment such as printers and typewriters. Along with this trend, the stepping motors installed are also becoming smaller and thinner, but due to price competition in the market, stepping motors with a large number of coils have automatic coil terminal processing and 7-wire lead-out parts. Terminals, metal fittings, and other parts are added for assembly, and a housing cover that covers these protrudes from the morph body.
It has been considered difficult to apply conventional methods that require such protrusions to small and thin stepping motors.
以下、図面を参照しながら従来のステッピングモータの
コイル端末処理、リード線引出し方法について説明を行
う。第４図は特願昭６０−１０７５０３号で知られてい
るもので、１は複数個のステータヨーク２，３を樹脂４
にて一体化し、且つその樹脂４にてコイル巻装用のコイ
ルボビン部１ ａ ｒ及びコイル端末処理用の端子５の
押入穴１ｂを有するステータで、ステータ１にコイル６
を巻装し、そのコイル端６ａを端子５に接続している。Hereinafter, a conventional stepping motor coil terminal treatment and lead wire drawing method will be explained with reference to the drawings. Fig. 4 is known from Japanese Patent Application No. 107503/1983, and 1 shows a structure in which a plurality of stator yokes 2 and 3 are connected to a resin 4
The stator is integrated with the resin 4 and has a coil bobbin part 1a r for coil winding and a push hole 1b for the terminal 5 for coil terminal processing.
The coil end 6a is connected to the terminal 5.
一方、第５図に示す如（導電金具７を備え、樹脂８にて
、これら導電金具７を絶縁一体化した接続補助部材９を
、第４図に示す如く導電金具７でリード線１０を保持さ
せた状態で前記のコイル巻装の終了したステータ１の端
子５と導電金具７が各々当接するように挿入し、コイル
端６ａとリード線１０の芯線部１０ａを接続し、接続部
にカバー１１を被している。On the other hand, as shown in FIG. 5, a connection auxiliary member 9 (equipped with conductive metal fittings 7 and insulated and integrated with these conductive metal fittings 7 with resin 8) is used, and a lead wire 10 is held by the conductive metal fitting 7 as shown in FIG. In this state, the terminals 5 of the stator 1 after the coil winding and the conductive metal fittings 7 are inserted so that they are in contact with each other, the coil end 6a and the core wire part 10a of the lead wire 10 are connected, and the cover 11 is attached to the connection part. is covered.
発明が解決しようとする問題点
しかし、上記のような方法ではリード線の固定、接続部
の絶縁に樹脂が多く使用され、一定の強度を得る為や、
作業性を上げる為に一定の空間が必要となり、それがモ
ータからの突出等になるわけであるが、これが小形薄形
のモータとなると、その突出部は径方向ばかりではな（
、軸方向にも突出することになり、小形薄形のステッピ
ングモータの巻線引出し部に端子、導電金具等の部品を
付加し、自動組立を行うことは難しく、コスト低減や品
質の安定性といった面から多（の問題を有していた。Problems to be Solved by the Invention However, in the above method, a large amount of resin is used for fixing the lead wires and insulating the connection parts, and in order to obtain a certain level of strength,
In order to improve workability, a certain amount of space is required, and that space is what protrudes from the motor, but when it comes to small and thin motors, the protrusions are not limited to the radial direction (
, it also protrudes in the axial direction, and it is difficult to add parts such as terminals and conductive metal fittings to the winding pull-out part of a small and thin stepping motor, and to perform automatic assembly. It had many (problems) in terms of aspects.
本発明の目的は上記問題点に鑑み、自動組立が可能な小
形薄形のステッピングモータを提供するものである。SUMMARY OF THE INVENTION In view of the above problems, an object of the present invention is to provide a small and thin stepping motor that can be automatically assembled.
問題点を解決するための手段
この目的を達成するために本発明のステッピングモータ
は、ステータコイルの巻装されるコイルボビンの一部に
ステータコイル端が接続される複数個の端子を備え、一
方、この端子と嵌合し、接続される複数個の穴と、リー
ド線が半田付で接続される複数個の穴が各々銅箔にて導
通しており、且つリード線固定用穴を有するプリント基
板と、前記リード線固定用穴と係合するリード線固定用
突起を有するプリント基板保持台と、これら接続部を保
護するカバーとを備えたものである。Means for Solving the Problems In order to achieve this object, the stepping motor of the present invention includes a plurality of terminals with stator coil ends connected to a part of the coil bobbin around which the stator coil is wound; A printed circuit board that has a plurality of holes that fit and connect with this terminal and a plurality of holes that connect lead wires by soldering, each of which is electrically connected with copper foil, and has a hole for fixing the lead wires. A printed circuit board holder having a lead wire fixing protrusion that engages with the lead wire fixing hole, and a cover that protects these connecting parts.
作用
上述の構成によって、コイル数の多いステッピングモー
タのリード線引出し部を小さ（し且つ、自動組立が可能
な小形薄形のステッピングモータとなる。Effect: With the above-described configuration, the lead wire extraction portion of a stepping motor with a large number of coils can be made small (and a small and thin stepping motor that can be automatically assembled) can be obtained.
実施例
以下、本発明の一実施例について図面を参照しながら説
明する。EXAMPLE Hereinafter, an example of the present invention will be described with reference to the drawings.
第１図は本発明の一実施例に於けるステッピングモータ
の断面図である。１２は複数個のステータヨーク１３．
１４を樹脂１５にて一体化し、且つその樹脂１５にてコ
イル巻装用のコイルボビン部１２ａ及びコイル端末処理
用の端子１６の押入穴１２ｂを有するステータで、ステ
ータ１２のコイルボビン部１２ａにコイル１７を巻装し
、そのコイル端１７ａを端子１６に接続する。１８は第
２図に示すようにプリント基板保持爪１８ａ、リード線
固定用突起１８ｂ、リード線ガイド溝１８ｃ及び台座部
１８ｄを有するプリント基板保持台で、コイル１７の巻
装の終了したステータ１２の凹部１２ｃに台座部１８ｄ
を嵌挿する。FIG. 1 is a sectional view of a stepping motor in one embodiment of the present invention. 12 is a plurality of stator yokes 13.
14 are integrated with a resin 15, and the resin 15 has a coil bobbin part 12a for coil winding and a push-in hole 12b for a terminal 16 for coil terminal processing.The coil 17 is wound around the coil bobbin part 12a of the stator 12. and connect the coil end 17a to the terminal 16. As shown in FIG. 2, 18 is a printed circuit board holder having printed circuit board holding claws 18a, lead wire fixing protrusions 18b, lead wire guide grooves 18c, and a pedestal portion 18d. A pedestal portion 18d is provided in the recessed portion 12c.
Insert.
１９は外周に多極着磁を施した永久磁石２０を備えたロ
ータで、ステータ１２の内部に挿入され、ステータ１２
の開口端１２ｄに嵌挿される軸受保持部材２１とステー
タ１２の備える軸受２２にロータ軸２３を介して回転自
在に支持されている。A rotor 19 is equipped with a permanent magnet 20 that is multi-pole magnetized on its outer periphery, and is inserted into the stator 12.
It is rotatably supported via a rotor shaft 23 by a bearing holding member 21 fitted into the open end 12d of the stator 12 and a bearing 22 provided in the stator 12.
２４は磁性材から成るカップ状のフレームで、プリント
基板保持台１８と係合する切欠き部２４ａを有しており
、巻線、ロータ挿入の終了したステータ１２が嵌挿され
、固定されている。こうしてステータヨーク１３．１４
はフレーム２４により磁気的に接続される。又フレーム
２４には予め、モータ取付板２５が固定されており、軸
受保持部材の２１の抜は止めを兼ねている。Reference numeral 24 denotes a cup-shaped frame made of a magnetic material, which has a notch 24a that engages with the printed circuit board holder 18, into which the stator 12 with its windings and rotor inserted is inserted and fixed. . Thus stator yoke 13.14
are magnetically connected by frame 24. Further, a motor mounting plate 25 is fixed to the frame 24 in advance, and also serves to prevent the bearing holding member 21 from being removed.
第３図は複数本のリード線２６が接続された状態のプリ
ント基板２７を示すもので、リード線２６の接続穴２７
ａ、端子１６との嵌合接続穴２７ｂを弁えており、これ
らの穴は銅箔２７ｃにより、電気的に接続されている。FIG. 3 shows the printed circuit board 27 to which a plurality of lead wires 26 are connected, and shows the connection hole 27 of the lead wire 26.
a, a connection hole 27b for fitting with the terminal 16 is provided, and these holes are electrically connected by a copper foil 27c.
又、２７ｄはプリント基板保持台１８のリード線固定用
突起１８ｂと係合してリード線２６を機械的に固定する
リード線固定用角穴である。このようにリード！ｆ！Ａ
２６を接続したプリント基板２７を前記のフレーム２４
に嵌挿固定されたステータ１２のコイル端１７ａが接続
された端子１６がプリント基板２７の接続穴２７ｂを通
るように装着し、同時にリード線２６をプリント基板保
持台１８のリード線固定用突起により、リード線２６を
プリント基板２７のリード線固定用角穴に押圧し、リー
ド線を屈曲させ、機械的に固定する。そして、プリント
基板２７もプリント基板保持台１８のプリント基板保持
爪１８ａに押圧され固定される。この状態でリード線２
６はプリント基板２７とプリント基板保持台１８のリー
ド線ガイド溝１８ｃにより、モータ外−周から接線方向
に引出される。Further, 27d is a lead wire fixing square hole that engages with the lead wire fixing protrusion 18b of the printed circuit board holder 18 to mechanically fix the lead wire 26. Lead like this! f! A
26 is connected to the printed circuit board 27, which is connected to the frame 24.
Attach the terminal 16 connected to the coil end 17a of the stator 12, which is inserted and fixed into the board, through the connection hole 27b of the printed circuit board 27, and at the same time, connect the lead wire 26 with the lead wire fixing protrusion of the printed circuit board holder 18. , the lead wire 26 is pressed into the lead wire fixing square hole of the printed circuit board 27, and the lead wire is bent and mechanically fixed. Then, the printed circuit board 27 is also pressed and fixed by the printed circuit board holding claws 18a of the printed circuit board holding stand 18. In this state, lead wire 2
6 is pulled out in a tangential direction from the outer periphery of the motor by the printed circuit board 27 and the lead wire guide groove 18c of the printed circuit board holder 18.
次にプリント基板２７の接続穴２７ｂと端子１７を嵌合
接続し当接続部に保護用カバー２８を装着し組立は完了
する。Next, the connection hole 27b of the printed circuit board 27 and the terminal 17 are fitted and connected, and a protective cover 28 is attached to the connection portion, completing the assembly.
なお、本実施例では、ステータヨークを樹脂にて一体化
したステータを引用して説明したが、従来の独立したコ
イルボビンを有するステッピングモータについても本発
明の適応は可能であり、又第３図の実施例に於いてリー
ド線はハウジングカバーから右側に引出されているが、
プリント基板保持台をモータ軸方向に対し逆向きに挿着
することにより、左側に引出すことも可能で、モータ取
付は時の自由度があるものである。Although this embodiment has been described with reference to a stator in which the stator yoke is integrated with resin, the present invention can also be applied to a conventional stepping motor having an independent coil bobbin, and the invention can also be applied to a stepping motor having a conventional independent coil bobbin. In the embodiment, the lead wire is drawn out from the housing cover to the right side,
By inserting the printed circuit board holding stand in the opposite direction to the motor shaft direction, it is also possible to pull it out to the left, giving a degree of freedom in mounting the motor.
発明の効果
以上のように本発明によれば、リード線接続穴と、ステ
ータ側端子接続穴とを銅箔にて導通させ、リード線固定
穴を有するプリント基板と、リード線固定用突起を有す
るプリント基板保持台を用いることにより、小形薄形で
自動組立用の端子を備えたステッピングモータを提供で
きる。Effects of the Invention As described above, according to the present invention, the lead wire connection hole and the stator side terminal connection hole are electrically connected through copper foil, and the printed circuit board has the lead wire fixing hole and the lead wire fixing protrusion. By using the printed circuit board holder, it is possible to provide a stepping motor that is small and thin and equipped with terminals for automatic assembly.
第１図は本発明によるステッピングモータの一実施例の
断面図、第２図は本発明のプリント基板保持台の斜視図
、第３図は複数本のリード線が接続された状態の本発明
によるプリント基板を示す図、第４図は従来のステッピ
ングモータの断面図、第５図は従来のリード線引出し部
の要部拡大斜視図である。
１２・・・・・・ステータ、１３．１４・・・・・・ス
テータヨーク、１６・・・・・・端子、１７・・・・・
・コイル、１８・・・・・・プリント基板保持台、１９
・・・・・・ロータ、２６・・・・・・リード線、２７
・・・・・・プリント基板、２８・・・・・・カバー。
代理人の氏名 弁理士 中尾敏男 ほか１名１８ａ−一
一俣特ル℃
第２図 ＋８ｄ−白皮部
第４図
Ｉｆ”）FIG. 1 is a sectional view of an embodiment of a stepping motor according to the present invention, FIG. 2 is a perspective view of a printed circuit board holder according to the present invention, and FIG. 3 is a diagram showing a state in which a plurality of lead wires are connected according to the present invention. FIG. 4 is a sectional view of a conventional stepping motor, and FIG. 5 is an enlarged perspective view of a main part of a conventional lead wire extraction section. 12... Stator, 13.14... Stator yoke, 16... Terminal, 17...
・Coil, 18... Printed circuit board holding stand, 19
...Rotor, 26 ...Lead wire, 27
...Printed circuit board, 28...Cover. Name of agent Patent attorney Toshio Nakao and one other person
Claims (1)
方向に突設した複数個の磁極歯を有する２対の円板状ス
テータヨークと、このステータヨーク対の間に位置する
ステータコイルと、前記ステータコイルの巻装されるコ
イルボビンの一部に設けられたステータコイル端が接続
される複数個の端子と、この端子と嵌合し接続される複
数個の穴とリード線を接続する複数個の穴が各々銅箔に
て導通しており、且つリード線固定用穴を有するプリン
ト基板と、前記リード線を固定する穴と係合するリード
線固定用突起を有するプリント基板保持台と、これら接
続部を保護するカバーから成るステッピングモータ。A rotor equipped with a multi-pole magnetized permanent magnet on its outer periphery, two pairs of disc-shaped stator yokes each having a plurality of magnetic pole teeth protruding in the axial direction, and a stator located between the pair of stator yokes. A coil, a plurality of terminals provided on a part of the coil bobbin around which the stator coil is wound, to which the ends of the stator coil are connected, and a plurality of holes that fit and are connected to the terminals, and lead wires are connected. a printed circuit board having a plurality of holes each connected to each other by copper foil and having a lead wire fixing hole; and a printed circuit board holder having a lead wire fixing protrusion that engages with the lead wire fixing hole. A stepping motor consists of a cover and a cover that protects these connections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25102387A JPH0197159A (en) | 1987-10-05 | 1987-10-05 | Stepping motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25102387A JPH0197159A (en) | 1987-10-05 | 1987-10-05 | Stepping motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0197159A true JPH0197159A (en) | 1989-04-14 |
Family
ID=17216474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25102387A Pending JPH0197159A (en) | 1987-10-05 | 1987-10-05 | Stepping motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0197159A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04351455A (en) * | 1991-07-02 | 1992-12-07 | Brother Ind Ltd | Motor |
| JP2007068364A (en) * | 2005-09-01 | 2007-03-15 | Sanyo Electric Co Ltd | Coil apparatus |
| CN103192994A (en) * | 2013-04-16 | 2013-07-10 | 张锦海 | Aerial photographing motor for model airplanes |
-
1987
- 1987-10-05 JP JP25102387A patent/JPH0197159A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04351455A (en) * | 1991-07-02 | 1992-12-07 | Brother Ind Ltd | Motor |
| JP2007068364A (en) * | 2005-09-01 | 2007-03-15 | Sanyo Electric Co Ltd | Coil apparatus |
| CN103192994A (en) * | 2013-04-16 | 2013-07-10 | 张锦海 | Aerial photographing motor for model airplanes |
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