JPS6135150A - Coil bobbin fixed structure - Google Patents
Coil bobbin fixed structureInfo
- Publication number
- JPS6135150A JPS6135150A JP15441884A JP15441884A JPS6135150A JP S6135150 A JPS6135150 A JP S6135150A JP 15441884 A JP15441884 A JP 15441884A JP 15441884 A JP15441884 A JP 15441884A JP S6135150 A JPS6135150 A JP S6135150A
- Authority
- JP
- Japan
- Prior art keywords
- coil bobbin
- magnetic pole
- bobbin
- pole
- coil
- 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
- 230000004907 flux Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/52—Fastening salient pole windings or connections thereto
- H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
- H02K3/525—Annular coils, e.g. for cores of the claw-pole type
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は回転型パルスモータに係シ、特にコイルボビン
を容易に位置決めすることのできるコイルボビン固定構
造に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a rotary pulse motor, and particularly to a coil bobbin fixing structure that allows easy positioning of the coil bobbin.
回＋ｋ［パルスモータは、ロータ側の歯形磁極と該各歯
形磁極に外周側で対向するステータ側の歯形磁極（固定
磁極）とを備えておシ、ロータ側の歯形磁極と固定磁極
の間には所定の位相差が形成されている。ロータ側歯形
磁極を備えたロータは、固定磁極の歯と該歯に対向する
ロータ側歯形磁極の歯とを通し所定の励磁方式で形成さ
れる磁束により回転せしめられる。+k [A pulse motor is equipped with a toothed magnetic pole on the rotor side and a toothed magnetic pole (fixed magnetic pole) on the stator side that faces each toothed magnetic pole on the outer circumferential side, and between the toothed magnetic pole on the rotor side and the fixed magnetic pole. A predetermined phase difference is formed. A rotor equipped with toothed magnetic poles on the rotor side is rotated by a magnetic flux formed by a predetermined excitation method through the teeth of the fixed magnetic pole and the teeth of the toothed magnetic pole on the rotor side opposing the teeth.
この種の従来の回転型パルスモータを第６図に示す。図
中、１１．１２．１Ｂ、・・・は第１相、第２相。A conventional rotary pulse motor of this type is shown in FIG. In the figure, 11.12.1B, . . . are the first phase and second phase.
第３相、・・・のロータ側歯形磁極（以下単に歯形磁極
と呼ぶ）、２１．２ｘ、 ２ｇ、・・・はこれらに対向
する第１相、第２相、第３相、・・・の固定磁極、３１
１３２１３ｇ、・・・は第１相、第２相、第３相、・・
・のコイルボビン、４はヨークである。各相歯形磁極１
１．１２゜Ｉｇ、・・・はロータ軸５に固定されておシ
、各相固定磁極２１．２２．２ｇ、・・・及び各相コイ
ルボビン３１ ＋ ３２ ｈ３８、・・・はヨーク４に
固定されている。この状態で、各相固定磁極の円周に設
けられた歯６は、対応する各相歯形磁極の歯７に所定の
位相差をもって対向シている。コイルボビン３ｔ、 ３
２．３１１．・・・は、それぞれボビンにコイルを巻装
してなシ、各相の対向磁極の歯６，７を通る磁束は、対
応するコイルボビンのコイルに通電することによシ形成
される。The rotor-side toothed magnetic poles (hereinafter simply referred to as toothed magnetic poles), 21.2x, 2g, of the third phase... are the first phase, second phase, third phase,... fixed magnetic pole, 31
13213g... is the first phase, second phase, third phase,...
・The coil bobbin, 4 is a yoke. Each phase tooth shaped magnetic pole 1
1.12゜Ig, . . . are fixed to the rotor shaft 5, and each phase fixed magnetic pole 21.22.2g, . . . and each phase coil bobbin 31 + 32 h38, . . are fixed to the yoke 4. has been done. In this state, the teeth 6 provided on the circumference of each phase fixed magnetic pole are opposed to the teeth 7 of the corresponding phase toothed magnetic pole with a predetermined phase difference. Coil bobbin 3t, 3
2.311. . . . do not have a coil wound around each bobbin, and the magnetic flux passing through the teeth 6 and 7 of the opposing magnetic poles of each phase is formed by energizing the coil of the corresponding coil bobbin.
このような構成のモータにおいては、コイルボビンの固
定は、１相を構成する２つの固定磁極の円の一方の固定
磁極をヨーク内壁に圧入し、次に対応するコイルボビン
を嵌装した後、他方の固定磁極全圧入して該コイルボビ
ンを押圧することによシ行っている。In a motor with such a configuration, the coil bobbin is fixed by press-fitting one fixed magnetic pole of the two fixed magnetic pole circles constituting one phase into the inner wall of the yoke, then fitting the corresponding coil bobbin, and then fixing the other fixed magnetic pole. This is done by fully press-fitting the fixed magnetic pole and pressing the coil bobbin.
しかし、この従来の固定構造は、沸点点数が多く、シか
もヨークと固定磁極が一体でないため大型化しかつその
間で磁束の漏れが起こシ性能が低下するという欠点ヲ有
していた。However, this conventional fixed structure has the drawbacks of a high boiling point, a large size because the yoke and the fixed magnetic pole are not integrated, and leakage of magnetic flux between them, resulting in a decrease in performance.
本発明は上述の問題点を解決できるコイルボビン固定構
造を提供することを目的としたもので、そのための手段
として、円周方向に所定のピッチで形成された多数の第
１の歯を外周に備え所定の位相差をもってロータ軸に固
定されたロータ側歯形磁極と、円周方向に前記第１の歯
と等間隔に形成され前記歯形磁極の外側１一対向する多
数の第２の歯を内壁に備えた円筒状固定磁極と、前記歯
形磁極に隣接して前記ロータ軸に嵌装されるコイルボビ
ンとヲ有する回転型パルスモータにおいて、前記固定磁
極に軸線方向に伸びる複数の溝を形成するとともに、前
記コイルボビンに、該コイルボビン嵌装時に前記各溝に
係合して該コイルボビンを回転方向に係止する複数の突
起を設けている。The present invention aims to provide a coil bobbin fixing structure capable of solving the above-mentioned problems, and as a means for that purpose, a large number of first teeth formed at a predetermined pitch in the circumferential direction are provided on the outer periphery. A rotor-side toothed magnetic pole fixed to the rotor shaft with a predetermined phase difference, and a large number of second teeth formed on the inner wall at equal intervals from the first tooth in the circumferential direction and facing the outer side of the toothed magnetic pole. A rotary pulse motor comprising: a cylindrical fixed magnetic pole; and a coil bobbin fitted onto the rotor shaft adjacent to the toothed magnetic pole; The coil bobbin is provided with a plurality of protrusions that engage with the respective grooves and lock the coil bobbin in the rotational direction when the coil bobbin is fitted.
固定磁極がヨーク内壁に一体に形成され、コイルボビン
が歯形磁極に隣接してロータ軸に嵌装されるようになっ
ているため、部品点数が減少してモータが小型となシ、
磁束のもれが少なくなる。The fixed magnetic pole is integrally formed on the inner wall of the yoke, and the coil bobbin is fitted onto the rotor shaft adjacent to the toothed magnetic pole, reducing the number of parts and making the motor smaller.
Magnetic flux leakage is reduced.
コイルボビンの位置決めは、該コイルボビンに設けられ
た突起をヨークに設けられた溝に係合させることによシ
容易かつ正確に行われる。また、コイルボビンの固定は
、該突起をねじ等にょジョークに固定するか、またはヨ
ークに装着されるボビン押えによ）該コイルボビンを押
圧する等の固定手段を採用することによシ容易に行うこ
とができる。The coil bobbin is easily and accurately positioned by engaging a protrusion provided on the coil bobbin with a groove provided in the yoke. The coil bobbin can be easily fixed by fixing the protrusion to a screw or other joke, or by pressing the coil bobbin with a bobbin holder attached to the yoke. I can do it.
以下、第１図乃至第５図に関連して本発明の詳細な説明
する。The present invention will now be described in detail with reference to FIGS. 1-5.
第１図は、本発明を適用した２相回転型パルスモータ１
１の正面図で、３１ 、３２ 、３３ 、３４は第１１
第２゜第３．第４の歯形磁極、１２１．１２ｇは第１相
、第２相のコイルボビン、１３はヨークである。FIG. 1 shows a two-phase rotary pulse motor 1 to which the present invention is applied.
1, 31, 32, 33, and 34 are the 11th
2nd゜3rd. The fourth tooth-shaped magnetic pole, 121.12g, is a first phase and second phase coil bobbin, and 13 is a yoke.
歯形磁極３１ 、３２ 、３３ 、３４はロータ軸１４
に所定の位相差を保って固定され、歯形磁極３２と３３
の間には、軸方向に磁化した永久磁石腕が固定されてい
る。The toothed magnetic poles 31 , 32 , 33 , 34 are the rotor shaft 14
are fixed with a predetermined phase difference between the toothed magnetic poles 32 and 33.
An axially magnetized permanent magnet arm is fixed between them.
ロータ軸１４は、コイル１６ 、１６の励磁にょシ、所
定のコイルボビン１２１（１２ｇは図示しない）は、第
２図に詳細を示すように、ボビン１５にコイル１６ ｋ
！装してなυ、ボビン１５には所定の配置で半径方向
に突出する複数（本例では４個）の突起１７が一体に形
成されている。またコイルボビン１２２のボビンにも同
様の突起１８が一体に形成されている。The rotor shaft 14 is used to excite the coils 16, 16, and a predetermined coil bobbin 121 (12g is not shown) is connected to the bobbin 15 as shown in detail in FIG.
! The bobbin 15 is integrally formed with a plurality of (four in this example) protrusions 17 that protrude in the radial direction at a predetermined arrangement. A similar protrusion 18 is also integrally formed on the bobbin of the coil bobbin 122.
ヨーク１３は第３図に詳細を示すように歯形磁極３１
、３２ 、３３ 、３４の歯１９１．１９ｇ 、１９１
１．１９４と等ビッカでかつ軸線方向に伸びる多数の歯
２０ ｅ ｌ’３ 壁に備えている。The yoke 13 has a toothed magnetic pole 31 as shown in detail in FIG.
, 32 , 33 , 34 teeth 191.19g , 191
1.194 and is provided on the wall with a large number of teeth 20 e l'3 extending in the axial direction.
すなわち、ヨーク１３は各相固定磁極をＦＦ３壁に一体
に備えている。ヨーク１３の両端部には、軸線方向に伸
びる複数本（本例では４本）の溝２１が円周方向に等間
隔にそれぞれ形成されている。溝２１は、コイルボビン
の突起１７ 、１８ががたつかずに嵌合する幅を有して
いる。That is, the yoke 13 has fixed magnetic poles for each phase integrally provided on the wall of the FF 3. A plurality of (four in this example) grooves 21 extending in the axial direction are formed at both ends of the yoke 13 at equal intervals in the circumferential direction. The groove 21 has a width that allows the protrusions 17 and 18 of the coil bobbin to fit therein without rattling.
２６はケースで、ヨーク１３ヲ保持するとともに、ロー
タ軸１４を軸受２７を介し回転自在に支持している。A case 26 holds the yoke 13 and rotatably supports the rotor shaft 14 via a bearing 27.
ロータの組み立てに際しては、ロータ軸１４に歯形磁極
３２ 、３３を圧入した後コイルボビン１２ｔ 、 １
２ｇを嵌装し、歯形磁極３１ 、３４を嵌装するが、こ
の嵌装は突起１７ 、１８ ｉ溝２１に嵌合させて行わ
れる。従って、嵌装されたコイルボビン１２１．１２２
は突起１７゜１８と溝２１の係合によシ円周方向に係止
される。また、嵌装されたコイルボビン１２１．１２２
ハ、突起１７゜１８が溝２１の端部に係合することに
よって、対応する歯形磁極３２ 、３３側への動きを係
止される。またこの係止は、コイルボビン１２１，１２
２の突起１７ 、１８をピン２Ｓによシ押えて行っても
艮い。嵌装されたコイルボビン１２１１１２２は、例え
ば第４図に示すボビン押え２２によシ外側への抜は出し
が防止される。When assembling the rotor, after press-fitting the toothed magnetic poles 32 and 33 onto the rotor shaft 14, the coil bobbins 12t and 1 are assembled.
2g, and the toothed magnetic poles 31 and 34 are fitted thereinto by fitting the protrusions 17 and 18 into the grooves 21. Therefore, the fitted coil bobbin 121.122
is locked in the circumferential direction by engagement between the projections 17 and 18 and the groove 21. In addition, the fitted coil bobbins 121 and 122
C. By engaging the protrusions 17 and 18 with the ends of the grooves 21, movement toward the corresponding toothed magnetic poles 32 and 33 is stopped. This locking also applies to the coil bobbins 121 and 12.
It is also possible to press the protrusions 17 and 18 of 2 with the pin 2S. The fitted coil bobbin 1211122 is prevented from being pulled out to the outside by, for example, a bobbin presser 22 shown in FIG.
ボビン押え２２は、ヨーク１３の内壁の歯２０の凹部に
弾性的に係合する複数の突出片２２ａを備えておシ、該
突出片２２ａを歯２０の凹部に係合させて押し込んでコ
イルボビンを固定する。このコイルボビンの固定は、第
５図に示す手段によっても可能である。The bobbin holder 22 is provided with a plurality of protruding pieces 22a that elastically engage with the recesses of the teeth 20 on the inner wall of the yoke 13, and the protruding pieces 22a are engaged with the recesses of the teeth 20 and pushed in to hold the coil bobbin. Fix it. The coil bobbin can also be fixed by the means shown in FIG.
この場合は、ヨーク１３に形成される溝２１′は該ヨー
ク１３を貫通せずにその内壁に形成されておシ、ボビン
に形成される突起１７’、 １８’は第２図の場合より
低いものになっている。谷コイルボビンは、突起１７′
・１８′ヲ溝２１′に嵌合させて嵌装され、ヨーク１３
に螺合するねじ２３によシ固定される。In this case, the groove 21' formed in the yoke 13 is formed on the inner wall of the yoke 13 without passing through it, and the protrusions 17' and 18' formed on the bobbin are lower than in the case of FIG. It has become a thing. The valley coil bobbin has protrusion 17'
- 18' is fitted into the groove 21', and the yoke 13
It is fixed by a screw 23 that is screwed into.
本発明は以上のように構成されているので、次の各種の
優れた効果を奏することが可能である。Since the present invention is configured as described above, it is possible to achieve the following various excellent effects.
（１） コイルボビンの突起とヨークの溝とを係合さ
せることにより該コイルボビンの位置決めを簡単に行う
ことができる。(1) The coil bobbin can be easily positioned by engaging the protrusion of the coil bobbin with the groove of the yoke.
（２） ′ｑ！ｒ相固定磁極がヨーク内壁に一体形成
された構成になっているため、部品点数、組立工数を低
減するとともに、モータの小型、軽量化を図ることが可
能である。また、従来ヨークと固定磁極の間で起きてい
た磁束の漏れがなくなり、モーフ性能が向上する。(2) ′q! Since the r-phase fixed magnetic pole is integrally formed on the inner wall of the yoke, the number of parts and assembly steps can be reduced, and the motor can be made smaller and lighter. Additionally, the leakage of magnetic flux that conventionally occurred between the yoke and the fixed magnetic pole is eliminated, improving morph performance.
第１図乃至第５図は本発明に係るコイルボビン固定構造
の実施例を示すもので、第１図は本発明を適用した２相
回転型パルスモータの正面図、第溝及びコイルボビンの
突起の他の形成例を示す側面図である。第６図は従来の
回転型パルスモータの一部破断斜視凹である。
図中、３１ 、３２ 、３３ 、３４はロータ側の歯形
磁極、１１は２相回転型パルスモータ、１２１，１２２
はコイルボビン、１３はヨーク（円筒状固定磁極）、１
４はロータ軸、え、２３はねじ、２４は永久磁石、２５
はピン、をそれぞれ示す。1 to 5 show an embodiment of the coil bobbin fixing structure according to the present invention, and FIG. 1 is a front view of a two-phase rotary pulse motor to which the present invention is applied, showing the grooves and the protrusions of the coil bobbin. It is a side view which shows the example of formation. FIG. 6 is a partially broken perspective view of a conventional rotary pulse motor. In the figure, 31, 32, 33, 34 are tooth-shaped magnetic poles on the rotor side, 11 is a two-phase rotating pulse motor, 121, 122
is a coil bobbin, 13 is a yoke (cylindrical fixed magnetic pole), 1
4 is the rotor shaft, 23 is the screw, 24 is the permanent magnet, 25
indicate pins, respectively.
Claims (1)
外周に備え、所定の位相差をもつてロータ軸に固定され
たロータ側歯形磁極と、円周方向に前記第１の歯と等間
隔に形成され前記歯形磁極の外側に対向する多数の第２
の歯を内壁に備えた円筒状固定磁極と、前記歯形磁極に
隣接して前記ロータ軸に嵌装されるコイルボビンとを有
する回転型パルスモータにおいて、前記固定磁極に軸線
方向に伸びる複数の溝を形成するとともに、前記コイル
ボビンに、該コイルボビン嵌装時に前記各溝に係合して
該コイルボビンを回転方向に係止する複数の突起を設け
たことを特徴とするコイルボビン固定構造。a rotor-side toothed magnetic pole having a large number of first teeth formed at a predetermined pitch in the circumferential direction on the outer periphery and fixed to the rotor shaft with a predetermined phase difference; A large number of second
A rotary pulse motor having a cylindrical fixed magnetic pole having teeth on an inner wall thereof, and a coil bobbin fitted to the rotor shaft adjacent to the toothed magnetic pole, the fixed magnetic pole having a plurality of grooves extending in the axial direction. A coil bobbin fixing structure characterized in that the coil bobbin is provided with a plurality of protrusions that engage with each of the grooves and lock the coil bobbin in a rotational direction when the coil bobbin is fitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15441884A JPS6135150A (en) | 1984-07-25 | 1984-07-25 | Coil bobbin fixed structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15441884A JPS6135150A (en) | 1984-07-25 | 1984-07-25 | Coil bobbin fixed structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6135150A true JPS6135150A (en) | 1986-02-19 |
Family
ID=15583724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15441884A Pending JPS6135150A (en) | 1984-07-25 | 1984-07-25 | Coil bobbin fixed structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6135150A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0550989U (en) * | 1991-12-09 | 1993-07-02 | 株式会社三協精機製作所 | Stepping motor |
| EP1450463A1 (en) * | 1999-02-03 | 2004-08-25 | Minebea Co., Ltd. | Stator structure of highspeed motor |
-
1984
- 1984-07-25 JP JP15441884A patent/JPS6135150A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0550989U (en) * | 1991-12-09 | 1993-07-02 | 株式会社三協精機製作所 | Stepping motor |
| EP1450463A1 (en) * | 1999-02-03 | 2004-08-25 | Minebea Co., Ltd. | Stator structure of highspeed motor |
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