JPS6222341B2 - - Google Patents
Info
- Publication number
- JPS6222341B2 JPS6222341B2 JP53026555A JP2655578A JPS6222341B2 JP S6222341 B2 JPS6222341 B2 JP S6222341B2 JP 53026555 A JP53026555 A JP 53026555A JP 2655578 A JP2655578 A JP 2655578A JP S6222341 B2 JPS6222341 B2 JP S6222341B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic pole
- pole yoke
- yoke
- bearing plate
- bobbin
- 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
- 230000009467 reduction Effects 0.000 claims description 16
- 230000005284 excitation Effects 0.000 claims description 13
- 230000001360 synchronised effect Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000002265 prevention Effects 0.000 description 5
- 239000004519 grease Substances 0.000 description 3
- 230000013011 mating Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- AJCDFVKYMIUXCR-UHFFFAOYSA-N oxobarium;oxo(oxoferriooxy)iron Chemical compound [Ba]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O AJCDFVKYMIUXCR-UHFFFAOYSA-N 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Description
【発明の詳細な説明】
本発明は小形の同期電動機に関し、更に詳しく
は励磁コイルに単相巻きのコイルを使用した、い
わゆるインダクタ形小型同期電動機に関するもの
である。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a small synchronous motor, and more particularly to a so-called inductor type small synchronous motor that uses a single-phase coil as an excitation coil.
この種の同期電動機は、各種の駆動源、例え
ば、全自動洗たく機用タイマモータやテープレコ
ーダに使用されている。 This type of synchronous motor is used in various drive sources, such as timer motors for fully automatic washing machines and tape recorders.
この種のインダクタ形電動機においては高性能
で高い信頼性を有し、かつ小形、軽量、高生産
性、安価であることが望まれる。 This type of inductor type electric motor is desired to have high performance and high reliability, as well as to be small, lightweight, highly productive, and inexpensive.
特に部品点数を削減することは、製造および使
用時の不良や事故が少なくなり高品質になるとと
もに、小形化を更に進めることにより汎用性が向
上できるものである。 In particular, reducing the number of parts reduces defects and accidents during manufacturing and use, resulting in higher quality, and further miniaturization improves versatility.
また部品数を低減し、安価な駆動源を得ること
は、機器の信頼性を増すと同時に、低価格製品か
ら高価格製品まで広範囲の用途に供することが可
能となり、小形同期電動機の工業的価値を高める
要因となる。 In addition, reducing the number of parts and obtaining an inexpensive drive source increases the reliability of equipment, and at the same time makes it possible to use a wide range of applications from low-priced products to high-priced products, increasing the industrial value of small synchronous motors. This is a factor that increases the
本発明の目的は、上記の点に鑑み、部品数が少
なく、組立性、製作性および生産性がよく、製品
の取付方向を任意に選ぶことができ、グリースの
追加塗布メンテが容易にでき、しかも過熱燃焼に
よる延焼を防止できるものを提供せんとするもの
である。 In view of the above points, it is an object of the present invention to have a small number of parts, good assembly, manufacturability, and productivity, the ability to arbitrarily select the mounting direction of the product, and easy maintenance for additional grease application. Moreover, the object is to provide something that can prevent the spread of fire due to overheated combustion.
本発明は、ほぼ正方形の底部及びこの底部の両
側に対向直立するように折り曲げ形成した側板か
ら構成された第１の磁極ヨークと、第１の磁極ヨ
ークの両側板上端部に掛け渡すように固定した平
板状の軸受板と、第１の磁極ヨークの底部と軸受
板との間に置かれる第２の磁極ヨークと、第１の
磁極ヨークと第２の磁極ヨークとの間に位置し、
かつほぼ正方形をなす前記底部の中央に置かれる
励磁コイル巻装のボビンと、このボビンの内側に
回転自在に配置された回転子と、第２の磁極ヨー
クと前記軸受板との間に支持された複数個の軸
と、第２の磁極ヨークと軸受板の間に置かれ、か
つ前記軸に支持される複数個の減速歯車からなる
減速歯車群と、第１の磁極ヨークの底部および第
２の磁極ヨークを切り起して前記ボビンの内周に
配置した複数個の両磁極と、前記第２の磁極ヨー
クを支持するために、第１の磁極ヨークの両側板
に形成した内方に突出する突起とからなる同期電
動機にある。 The present invention includes a first magnetic pole yoke, which is composed of a substantially square bottom and side plates bent to stand upright opposite to each other on both sides of the bottom, and fixed so as to span over the upper ends of both side plates of the first magnetic pole yoke. a second magnetic pole yoke placed between the bottom of the first magnetic pole yoke and the bearing plate; a second magnetic pole yoke located between the first magnetic pole yoke and the second magnetic pole yoke;
and is supported between a bobbin wound with an exciting coil placed in the center of the substantially square bottom, a rotor rotatably disposed inside the bobbin, a second magnetic pole yoke, and the bearing plate. a reduction gear group consisting of a plurality of reduction gears placed between a second magnetic pole yoke and a bearing plate and supported by the shaft; a bottom portion of the first magnetic pole yoke and a second magnetic pole; a plurality of magnetic poles cut up from a yoke and arranged on the inner periphery of the bobbin; and inwardly protruding protrusions formed on both side plates of the first magnetic pole yoke to support the second magnetic pole yoke. There is a synchronous motor consisting of.
以下、本発明の一実施例を図面に沿つて詳しく
説明する。 Hereinafter, one embodiment of the present invention will be described in detail with reference to the drawings.
１はほぼ正方形の平らな底部２をもち、かつ互
いに対向する直立のほぼ相似で平行な側板３，４
を有するコ字形断面の形成をなす第１の磁極ヨー
クである。該磁極ヨーク１の中央部には切り起し
た磁極５′，５″……が一体的に形成され、かつ中
心部に軸６が植立されている。磁極５′，５″……
の外周には励磁コイル７を巻装したボビン８が固
定される。この励磁コイル７は、普通は単相巻の
コイルである。９はスラストワツシヤーである。 1 has a substantially square flat bottom 2 and upright, substantially similar and parallel side plates 3, 4 facing each other;
The first magnetic pole yoke has a U-shaped cross section. Cut and raised magnetic poles 5', 5'', . . . are integrally formed in the center of the magnetic pole yoke 1, and a shaft 6 is installed in the center.
A bobbin 8 having an excitation coil 7 wound thereon is fixed to the outer periphery of the bobbin 8 . This excitation coil 7 is normally a single-phase coil. 9 is a thrust washer.
１０は円筒形の粉末固化磁性体、例えば、バリ
ユームフエライト材等よりなる回転子で、その外
周部にＮ、Ｓ磁極が等間隔に交互に着磁されてい
る。この回転子１０は、上記軸６に直接あるいは
間接的に、回転自在に軸支されている。また回転
子１０の中央部には逆転防止用のカム１１と出力
ピニオン１２が一体的に形成されている。 Reference numeral 10 denotes a rotor made of a cylindrical powder solidified magnetic material such as barium ferrite material, and N and S magnetic poles are alternately magnetized at equal intervals on the outer periphery of the rotor. The rotor 10 is rotatably supported directly or indirectly on the shaft 6. Further, a cam 11 for preventing reverse rotation and an output pinion 12 are integrally formed in the center of the rotor 10.
１３はコ字形の第２の磁極ヨークで、底部１４
の中央部には切り起した磁極１５′，１５″……が
一体的に形成されている。磁極１５′，１５″……
の外方側には軸１６，１７，１８を夫々植立す
る。この第２の磁極ヨークの外端部は上記第１の
磁極ヨーク１の側板３，４に設けられた突起１
９′，１９″……及び段部２０′，２０″……に係合
させるとともに加締め段部２１′，２１″……で第
１の磁極ヨーク１に加締め固着させる。 13 is a U-shaped second magnetic pole yoke;
Cut and raised magnetic poles 15', 15''... are integrally formed in the center of the magnetic poles 15', 15''...
Shafts 16, 17, and 18 are installed on the outer side of the shaft, respectively. The outer end of the second magnetic pole yoke is connected to a protrusion 1 provided on the side plates 3 and 4 of the first magnetic pole yoke 1.
9', 19''... and stepped portions 20', 20''... and crimped and fixed to the first magnetic pole yoke 1 with crimped stepped portions 21', 21''....
２２は上記回転子１０の逆転防止ストツパー
で、軸１６に回転自在に軸支され、突起部２３が
上記カム１１に係合している。 Reference numeral 22 denotes a stopper for preventing reverse rotation of the rotor 10, which is rotatably supported by the shaft 16, and has a protrusion 23 engaged with the cam 11.
２４は一番歯車で軸１６に回転自在に軸支さ
れ、歯車２５は前記出力ピニオン１２と噛合つて
いる。歯車２５と一体的に形成されたピニオン２
６側の端部には外周がピニオン２６の歯元径D1
φより小さい径D2φが円筒２７が一体的に設け
られている。２８は押ばねで一番車２４を介し
て、逆転防止ストツパー２２を押付け若干の摩擦
力を生ぜしめ、一番車２４の回転に追随して、逆
転防止ストツパー２２が回動する構成となつてい
る。 A first gear 24 is rotatably supported by the shaft 16, and a gear 25 meshes with the output pinion 12. Pinion 2 integrally formed with gear 25
The outer circumference of the end on the 6 side is the tooth root diameter D 1 of the pinion 26.
A cylinder 27 having a diameter D 2 φ smaller than φ is integrally provided. Reference numeral 28 denotes a compression spring which presses against the anti-reverse stopper 22 through the first wheel 24 to generate a slight frictional force, so that the anti-reverse stopper 22 rotates following the rotation of the first wheel 24. There is.
この種同期電動機の回転子１０の回転方向は、
始動時に投入された電流の半サイクル（＋、−）
により回転方向が定まることは衆知の事実であ
り、したがつて、電源を投入し回転子１０がＰ方
向の所望の回転になると、一番車２４がＱ方向に
回転し、それに追随し、逆転防止ストツパー２２
がＲ方向に回動し、カム１１との係合が外れ回転
子１０は正規回転として続行し、減速歯車群に回
転を伝達する。この場合逆転防止ストツパー２２
は一定角度（カム１１の係合が外れるまで）回動
後、その突起部２３がセンター磁極１３に当たり
静止している。 The rotation direction of the rotor 10 of this type of synchronous motor is
Half cycle of current applied during starting (+, -)
It is a well-known fact that the direction of rotation is determined by Prevention stopper 22
rotates in the R direction, the rotor 10 disengages from the cam 11, and the rotor 10 continues to rotate normally, transmitting the rotation to the reduction gear group. In this case, the reverse prevention stopper 22
After rotating by a certain angle (until the cam 11 is disengaged), its protrusion 23 hits the center magnetic pole 13 and remains stationary.
次に回転子１０が逆転すると、一番車２４も効
適し、それに追随して逆転防止ストツパー２２も
回動するから、その突起部２３とカム１１が係合
し回転子１０の逆回転を阻止し、正規回転に戻
す。 Next, when the rotor 10 reverses, the number wheel 24 also becomes effective, and the reverse rotation prevention stopper 22 also rotates accordingly, so that the protrusion 23 and the cam 11 engage to prevent the rotor 10 from rotating in the reverse direction. and return to normal rotation.
２９は二番車で軸６に、３０は三番車で軸１７
に、３１は四番車で軸１８に夫々回転自在に軸支
されている。 29 is the second wheel and pinion 6, 30 is the third wheel and pinion 17.
A fourth wheel 31 is rotatably supported on the shaft 18.
３２は平面状の軸受板で、中央部に前記四番車
３１に設けられた軸部３３の軸受穴３４、軸６，
１６，１７用軸受穴３５，３６，３７、及び歯車
３８の軸３９が夫々アウトサート（モールデイ
ン）されている。この軸３５の端部は、相手機器
４０に設けられたボス４１に係合支持されるもの
である。また外周部は前記第１の磁極ヨーク１の
側板３，４と係合し、加締め固着されている。 Reference numeral 32 designates a planar bearing plate, in which the bearing hole 34 of the shaft portion 33 provided in the fourth wheel & pinion 31, the shaft 6,
The bearing holes 35, 36, 37 for 16 and 17 and the shaft 39 of the gear 38 are each outsert (molded). The end of this shaft 35 is engaged with and supported by a boss 41 provided on a mating device 40. Further, the outer peripheral portion engages with the side plates 3 and 4 of the first magnetic pole yoke 1 and is fixed by crimping.
上記構成において外部の電源にて、励磁コイル
７を励磁すると磁極５′，５″……及び磁極１
５′，１５″……にそれぞれＮ、Ｓ極が磁化され、
回転子１０に回転力を与える。この時回転方向が
正規でない場合は、前述のように逆転防止ストツ
パー２２とカム１１が噛合い回転子１０の回転は
阻止される。次に、次の半サイクルにて励磁コイ
ル７が励磁されると、各磁極のＮ、Ｓ極の磁化が
反転し、回転子１０は正規回転となる。この時
は、前述のような逆転防止ストツパー２２とカム
１１の噛合は外れ、回転子１０は正規方向に回転
を続行し、一番車２４、二番車２９、三番車３
０、四番車３１の減速歯車群を介して歯車３８に
回転力を伝達し、相手機器を駆動回転する。 In the above configuration, when the excitation coil 7 is excited by an external power supply, the magnetic poles 5', 5''... and the magnetic pole 1
The N and S poles are magnetized at 5′, 15″, respectively,
Apply rotational force to the rotor 10. At this time, if the direction of rotation is not normal, the rotation of the rotor 10 is prevented by engaging the anti-reverse stopper 22 and the cam 11 as described above. Next, when the excitation coil 7 is excited in the next half cycle, the magnetization of the N and S poles of each magnetic pole is reversed, and the rotor 10 rotates normally. At this time, the above-mentioned reversal prevention stopper 22 and cam 11 are disengaged, the rotor 10 continues to rotate in the normal direction, and the first wheel 24, second wheel 29, third wheel 3
The rotational force is transmitted to the gear 38 through the reduction gear group of the zero and fourth wheel & pinion 31 to drive and rotate the mating device.
上記実施例によれば、次のような種々の利点が
ある。 According to the above embodiment, there are various advantages as follows.
まず、全体の組立について述べる。第４図は全
体の部品を分解したところを示すもので組立方向
に沿つて並べられている。すなわち、全部の部品
は上下方向にならんでいるので、積み重ねるよう
にして組み立てることができる。自動組立に適し
た構造になつているのである。 First, the overall assembly will be described. FIG. 4 shows the whole parts disassembled and arranged along the assembly direction. That is, since all the parts are arranged vertically, they can be assembled by stacking them on top of each other. The structure is suitable for automatic assembly.
また第１の磁極ヨーク１と第２の磁極ヨークと
で形成される空間には、切り起した磁極５′，
５″……，１５′，１５″……、励磁コイル７を巻
装したボビン８およびボビン８内に回転自在に配
置された回転子１０を配置したので、空間の有効
利用が計られ、全体として製品の小形化に寄与す
る。 In addition, in the space formed by the first magnetic pole yoke 1 and the second magnetic pole yoke, there are magnetic poles 5', which are cut and raised.
5''..., 15', 15''..., the bobbin 8 with the excitation coil 7 wound thereon and the rotor 10 rotatably disposed within the bobbin 8 allow for effective use of space and reduce the overall This contributes to the miniaturization of products.
さらに、製品全体の平面形状は、ほぼ正方形に
なつているので、制御される機器に取り付けるの
に、取り付け方向を自由にとれるのである。 Furthermore, since the overall planar shape of the product is approximately square, it can be installed in any direction when attached to controlled equipment.
また、枠組を構成する部品は、第１の磁極ヨー
ク１と第２の磁極ヨーク１３と軸受板３２であ
る。そして、この枠組により、ボビン８と減速歯
車群を別個に置くところも形成されるので、部品
数が少なく、組立が容易である。 Further, the components that constitute the framework are the first magnetic pole yoke 1, the second magnetic pole yoke 13, and the bearing plate 32. Since this framework also forms a place where the bobbin 8 and the reduction gear group are placed separately, the number of parts is small and assembly is easy.
さらにまた第２の磁極ヨーク１３にて減速歯車
群を置く空間と励磁コイル７のボビン８を置く空
間が仕切られている。励磁コイル７が過熱燃焼し
ても、潤滑油の施されている減速歯車群への延焼
は第２の磁極ヨークにて遮られるので安全性が高
いものである。 Furthermore, the second magnetic pole yoke 13 separates a space in which the reduction gear group is placed from a space in which the bobbin 8 of the excitation coil 7 is placed. Even if the excitation coil 7 overheats and burns, the second magnetic pole yoke prevents the fire from spreading to the reduction gear group, which is lubricated, so safety is high.
そのうえ、第１の磁極ヨーク１、第２の磁極ヨ
ーク１３および軸受板はほぼ正方形の形状をもつ
ものであるので、全体が円筒状嵌合部をもつもの
に比べ製作しやすいのである。 Moreover, since the first magnetic pole yoke 1, the second magnetic pole yoke 13, and the bearing plate have a substantially square shape, they are easier to manufacture than those having a cylindrical fitting portion as a whole.
また第２の磁極ヨーク１を支持するために、第
１の磁極ヨーク１の両側板３，４に形成した内方
に突出する突起１９′，１９″……は、単なる押し
出しによつて形成したものであるので、支持のた
めに別部品をもつものに比べ製作性がよいもので
ある。 Further, in order to support the second magnetic pole yoke 1, the inwardly projecting protrusions 19', 19'' formed on the side plates 3, 4 of the first magnetic pole yoke 1 are formed by simple extrusion. Since it is a single piece, it is easier to manufacture than those that have separate parts for support.
しかも、減速歯車群を置く空間は、第１の磁極
ヨーク１の両側板３，４のところを除いて外部に
露出している。組立後に、グリースの補充塗布
に、その露出個所から容易にできるのである。 Furthermore, the space in which the reduction gear group is placed is exposed to the outside except for the side plates 3 and 4 of the first magnetic pole yoke 1. After assembly, replenishment of grease can be easily performed from the exposed area.
以上述べたように、本発明は、ほぼ正方形の底
部及びこの底部の両側に対向直立するように折り
曲げ形成した側板から構成された第１の磁極ヨー
クと、第１の磁極ヨークの両側板上端部に掛け渡
すように固定した平板状の軸受板と、第１の磁極
ヨークの底部と軸受板との間に置かれる第２の磁
極ヨークと、第１の磁極ヨークと第２の磁極ヨー
クとの間に位置し、かつほぼ正方形をなす前記底
部の中央に置かれる励磁コイル巻装のボビンと、
このボビンの内側に回転自在に配置された回転子
と、第２の励磁ヨークと前記軸受板との間に支持
された複数個の軸と、第２の磁極ヨークと軸受板
の間に置かれ、かつ前記軸に支持される複数個の
減速歯車からなる減速歯車群と、第１の磁極ヨー
クの底部および第２の励磁ヨークを切り起して前
記ボビンの内周に配置した複数個の両磁極と、前
記第２の磁極ヨークを支持するために、第１の磁
極ヨークの両側板に形成した内方に突出する突起
とからなる同期電動機にある。 As described above, the present invention provides a first magnetic pole yoke, which includes a substantially square bottom and side plates bent to stand upright opposite to each other on both sides of the bottom, and upper end portions of both side plates of the first magnetic pole yoke. a flat bearing plate that is fixed so as to span over the bearing plate, a second magnetic pole yoke that is placed between the bottom of the first magnetic pole yoke and the bearing plate, and a first magnetic pole yoke and a second magnetic pole yoke. a bobbin for winding an excitation coil placed in the center of the substantially square bottom portion and located between;
a rotor rotatably disposed inside the bobbin; a plurality of shafts supported between a second excitation yoke and the bearing plate; a rotor disposed between the second magnetic pole yoke and the bearing plate; a reduction gear group consisting of a plurality of reduction gears supported by the shaft; and a plurality of magnetic poles arranged on the inner periphery of the bobbin by cutting and raising the bottom of the first magnetic pole yoke and the second excitation yoke. , a synchronous motor comprising inwardly protruding protrusions formed on both side plates of the first magnetic pole yoke to support the second magnetic pole yoke.
上記構成によれば、次のような作用、効果を期
待できる。 According to the above configuration, the following actions and effects can be expected.
(1) ほぼ正方形の底部及びこの底部の両側に対向
直立するように折り曲げ形成した側板から構成
された第１の磁極ヨークと、第１の磁極ヨーク
の両側板上端部に掛け渡すように固定した平板
状の軸受板と、第１の磁極板の底部と軸受板と
の間に置かれる第２の磁極ヨークという三つの
部品によりボビンと減速歯車群を別個に置く枠
組を構成しているので、部品数が少なく、組立
が容易である。(1) A first magnetic pole yoke consisting of a substantially square bottom and side plates bent to stand upright opposite each other on both sides of this bottom, and a first magnetic pole yoke fixed so as to span over the upper ends of both side plates of the first magnetic pole yoke. Three parts, the flat bearing plate and the second magnetic pole yoke placed between the bottom of the first magnetic pole plate and the bearing plate, constitute a framework in which the bobbin and reduction gear group are placed separately. It has a small number of parts and is easy to assemble.
(2) 第２の磁極ヨークによつて減速歯車群とボビ
ンの置くところが仕切られる。ボビンのコイル
が過熱燃焼しても、潤滑油を施している減速歯
車群への延焼は第２の磁極ヨークが仕切りにな
つているので防がれる。(2) The second magnetic pole yoke separates the area where the reduction gear group and the bobbin are placed. Even if the bobbin coil overheats and burns, the spread of the fire to the reduction gear group, which is lubricated, is prevented because the second magnetic pole yoke acts as a partition.
(3) 第１の磁極ヨーク、第２の磁極ヨークおよび
平板状の軸受板はほぼ平方形の形状をもつてい
るので、円筒状嵌合部をもつものに比べ製作し
やすく、しかも同期電動機の全体形状を正方箱
形にまとめることができるので制御される機器
に取り付ける場合に取付方向が自由で使用範囲
が広がる。(3) Since the first magnetic pole yoke, the second magnetic pole yoke, and the flat bearing plate have a substantially square shape, they are easier to manufacture than those with a cylindrical fitting part, and are suitable for synchronous motors. Since the overall shape can be summarized into a square box shape, the mounting direction is free when installing it on controlled equipment, expanding the range of use.
(4) 第１の磁極ヨークの底部を下として、各部品
を単に積み上げるような要領で組み立てをする
ことができるので自動組立に適しており、生産
性がよい。(4) Since each component can be assembled by simply stacking the parts with the bottom of the first magnetic pole yoke facing down, it is suitable for automatic assembly and has good productivity.
(5) 第２の磁極ヨークを支持するために、第１の
磁極ヨークの両側板に形成した内方に突出する
突起は、単に押し出したもの別部品のものに比
べ製作性がよい。(5) The inwardly protruding protrusions formed on both side plates of the first magnetic pole yoke to support the second magnetic pole yoke are easier to manufacture than simply extruded separate parts.
(6) 第１の磁極ヨークの両側板以外の側面は、開
放になつているので、組立後も、減速歯車群は
外部に露出している。組立後に、グリースの追
加塗布を容易に行なうことができるのである。(6) Since the side surfaces of the first magnetic pole yoke other than both side plates are open, the reduction gear group is exposed to the outside even after assembly. Additional grease can be easily applied after assembly.
図面は本発明の一実施例を示すもので、第１図
は軸受板の一部を切欠いた平面図、第２図は同縦
断面図、第３図は逆転防止機構部の平面図、第４
図は全体の展開斜視図である。
１……第１の磁極ヨーク、２……底部、３，４
……側板、７……励磁コイル、８……ボビン、１
０……回転子、１３……第２の磁極ヨーク、３２
……軸受板、６，１６〜１８……軸、２４，２９
〜３１，３８……歯車、５′，５″，１５′，１
５″……磁極、１９′，１９″……突起。
The drawings show one embodiment of the present invention; FIG. 1 is a partially cutaway plan view of the bearing plate, FIG. 2 is a vertical sectional view thereof, and FIG. 3 is a plan view of the reverse rotation prevention mechanism. 4
The figure is an exploded perspective view of the whole. 1...First magnetic pole yoke, 2...Bottom, 3, 4
... Side plate, 7 ... Excitation coil, 8 ... Bobbin, 1
0... Rotor, 13... Second magnetic pole yoke, 32
... Bearing plate, 6, 16-18 ... Shaft, 24, 29
~31,38...Gear, 5', 5'', 15', 1
5″...Magnetic pole, 19', 19″...Protrusion.
Claims (1)
直立するように折り曲げ形成した側板から構成さ
れた第１の磁極ヨークと、第１の磁極ヨークの両
側板上端部に掛け渡すように固定した平板状の軸
受板と、第１の磁極ヨークの底部と軸受板との間
に置かれる第２の磁極ヨークと、第１の磁極ヨー
クと第２の磁極ヨークとの間に位置し、かつほぼ
正方形をなす前記底部の中央に置かれる励磁コイ
ル巻装のボビンと、このボビンの内側に回転自在
に配置された回転子と、第２の磁極ヨークと前記
軸受板との間に支持された複数個の軸と、第２の
磁極ヨークと軸受板の間に置かれ、かつ前記軸に
支持される複数個の減速歯車からなる減速歯車群
と、第１の磁極ヨークの底部および第２の磁極ヨ
ークを切り起して前記ボビンの内周に配置した複
数個の両磁極と、前記第２の磁極ヨークを支持す
るために、第１の磁極ヨークの両側板に形成した
内方に突出する突起とからなる同期電動機。1. A first magnetic pole yoke consisting of a substantially square bottom and side plates bent to stand upright opposite to each other on both sides of this bottom, and a flat plate fixed to span the upper ends of both side plates of the first magnetic pole yoke. a bearing plate, a second magnetic pole yoke placed between the bottom of the first magnetic pole yoke and the bearing plate, and a substantially square shaped magnetic pole yoke located between the first magnetic pole yoke and the second magnetic pole yoke; A bobbin wound with an excitation coil placed at the center of the bottom of the frame, a rotor rotatably disposed inside the bobbin, and a plurality of rotors supported between the second magnetic pole yoke and the bearing plate. A shaft, a reduction gear group consisting of a plurality of reduction gears placed between a second magnetic pole yoke and a bearing plate and supported by the shaft, the bottom of the first magnetic pole yoke, and the second magnetic pole yoke are cut and raised. a plurality of magnetic poles arranged on the inner periphery of the bobbin; and protrusions protruding inwardly formed on both side plates of the first magnetic pole yoke to support the second magnetic pole yoke. Electric motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2655578A JPS54120813A (en) | 1978-03-10 | 1978-03-10 | Synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2655578A JPS54120813A (en) | 1978-03-10 | 1978-03-10 | Synchronous motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS54120813A JPS54120813A (en) | 1979-09-19 |
| JPS6222341B2 true JPS6222341B2 (en) | 1987-05-18 |
Family
ID=12196768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2655578A Granted JPS54120813A (en) | 1978-03-10 | 1978-03-10 | Synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS54120813A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5751971B2 (en) * | 2011-07-27 | 2015-07-22 | 日本電産サンキョー株式会社 | Motor unit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5113203A (en) * | 1974-07-23 | 1976-02-02 | Matsushita Electric Ind Co Ltd | BIDEODEISUKUYO PITSUKUATSUPUNO SEIZOHOHO |
| JPS5228970A (en) * | 1975-08-28 | 1977-03-04 | Aomori Prefecture | Process for preparing seasoned cuttlefish |
-
1978
- 1978-03-10 JP JP2655578A patent/JPS54120813A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5113203A (en) * | 1974-07-23 | 1976-02-02 | Matsushita Electric Ind Co Ltd | BIDEODEISUKUYO PITSUKUATSUPUNO SEIZOHOHO |
| JPS5228970A (en) * | 1975-08-28 | 1977-03-04 | Aomori Prefecture | Process for preparing seasoned cuttlefish |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS54120813A (en) | 1979-09-19 |
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