JPH0928049A - Stator for motor - Google Patents
Stator for motorInfo
- Publication number
- JPH0928049A JPH0928049A JP17357895A JP17357895A JPH0928049A JP H0928049 A JPH0928049 A JP H0928049A JP 17357895 A JP17357895 A JP 17357895A JP 17357895 A JP17357895 A JP 17357895A JP H0928049 A JPH0928049 A JP H0928049A
- Authority
- JP
- Japan
- Prior art keywords
- stator
- core
- leg
- yoke
- terminal block
- 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
Landscapes
- Manufacture Of Motors, Generators (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、固定子鉄心の端部
に端子台を設けるようにしたモータの固定子に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a motor stator in which a terminal block is provided at an end of a stator core.
【0002】[0002]
【発明が解決しようとする課題】コンデンサ誘導モータ
の固定子には、環状をなすヨーク鉄心および該ヨーク鉄
心の内側へ突出する複数のティース鉄心から固定子鉄心
を構成すると共に、各ティース鉄心に合成樹脂製の巻枠
を介してコイルを巻装したものがある。この固定子はパ
イプ用換気扇のファン装置等に用いられるものであり、
固定子鉄心の軸方向一端部には、前記コイルへの給電用
回路部を有する合成樹脂製の端子台が配設されている。In a stator of a capacitor induction motor, a stator iron core is composed of an annular yoke iron core and a plurality of tooth iron cores projecting inwardly of the yoke iron core, and the stator iron cores are combined with each other. There is one in which a coil is wound through a winding frame made of resin. This stator is used for fan devices for ventilation fans for pipes,
A terminal block made of synthetic resin, which has a circuit portion for supplying power to the coil, is arranged at one axial end of the stator core.
【0003】上記構成の場合、巻枠の両端部に鍔部が一
体形成されており、コイルおよび固定子鉄心間は、コイ
ルおよび固定子鉄心間に位置する一方の鍔部により絶縁
されている。しかしながら、モータの出力アップや入力
ダウンを図るためにコイルの巻回数を多くしたり、ある
いは、巻枠に対してコイルを偏って巻回したりすると、
コイルおよび固定子鉄心間の絶縁距離が短くなる。これ
に対して従来では、各コイル相互間の隙間に絶縁部材を
挿入することに伴い両者の絶縁距離を確保していたた
め、絶縁部材の挿入作業が面倒で固定子の組立工数が増
大していた。In the case of the above construction, the flange portions are integrally formed at both ends of the winding frame, and the coil and the stator core are insulated from each other by the one flange portion located between the coil and the stator core. However, if the number of windings of the coil is increased in order to increase or decrease the output of the motor, or if the coil is unevenly wound around the winding frame,
The insulation distance between the coil and the stator core becomes shorter. On the other hand, in the past, since the insulation distance between the coils was secured by inserting the insulation member into the gap between the coils, the work of inserting the insulation member was troublesome and the number of steps for assembling the stator increased. .
【0004】本発明は上記事情に鑑みてなされたもので
あり、その目的は、コイルおよび固定子鉄心間を簡単に
絶縁することができ、組立工数の削減を図り得るモータ
の固定子を提供することである。The present invention has been made in view of the above circumstances, and an object thereof is to provide a stator of a motor which can easily insulate the coil and the stator core from each other and can reduce the number of assembling steps. That is.
【0005】[0005]
【課題を解決するための手段】請求項1記載のモータの
固定子は、環状をなすヨーク鉄心、および、該ヨーク鉄
心に設けられヨーク鉄心の内側へ突出する複数のティー
ス鉄心を有する固定子鉄心と、この固定子鉄心の各ティ
ース鉄心に設けられ、両端部に鍔部を有する複数の巻枠
と、これら各巻枠に巻装されたコイルと、前記固定子鉄
心の軸方向一端部に設けられ、前記各コイルへの給電用
回路部を有する樹脂製の端子台とを備えたものにおい
て、前記固定子鉄心の軸方向一端側から隣り合うコイル
間の隙間に挿入される脚部が前記端子台に複数一体形成
されているところに特徴を有する。According to a first aspect of the present invention, there is provided a stator for a motor, the stator core having an annular yoke core, and a plurality of teeth cores provided on the yoke core and projecting inward of the yoke core. And a plurality of winding frames provided on each teeth core of the stator core and having flanges at both ends, coils wound on these winding frames, and provided on one axial end of the stator core. A terminal block made of resin having a circuit section for supplying power to each coil, the leg block being inserted into a gap between adjacent coils from one axial end of the stator core. The feature is that a plurality of them are integrally formed.
【0006】上記手段によれば、端子台を把持して、固
定子鉄心の軸方向一端側から隣り合うコイル間の隙間に
端子台の脚部を挿入すると、各コイルおよび固定子鉄心
間に脚部が介在され、各コイルおよび固定子鉄心間が脚
部により絶縁される。従って、複数の隙間に絶縁部材を
夫々挿入する繁雑さを解消できるので、固定子の組立工
数が削減される。According to the above means, when the terminal block is gripped and the leg portion of the terminal block is inserted into the gap between the adjacent coils from one end side in the axial direction of the stator core, the leg is interposed between each coil and the stator core. The coil and the stator core are insulated from each other by the legs. Therefore, since the complexity of inserting the insulating members into the plurality of gaps can be eliminated, the number of steps for assembling the stator can be reduced.
【0007】請求項2記載のモータの固定子は、各脚部
が隣り合う各巻枠の鍔部に接触しているところに特徴を
有する。上記手段によれば、固定子鉄心の軸方向一端側
からコイル相互間の隙間に脚部を挿入すると、各脚部が
隣り合う各巻枠の鍔部に接触し、端子台が固定子鉄心に
対して水平方向へ位置決めされる。A stator of a motor according to a second aspect is characterized in that each leg portion is in contact with a collar portion of each adjacent winding frame. According to the above means, when the leg portions are inserted into the gaps between the coils from one end side in the axial direction of the stator core, the leg portions come into contact with the flange portions of the adjacent winding frames, and the terminal block with respect to the stator core. Be positioned horizontally.
【0008】請求項3記載のモータの固定子は、各脚部
がヨーク鉄心の内面に接触しているところに特徴を有す
る。上記手段によれば、固定子鉄心の軸方向一端側から
コイル相互間の隙間に脚部を挿入すると、各脚部がヨー
ク鉄心の内面に接触し、端子台が固定子鉄心に対して水
平方向へ位置決めされる。The stator of the motor according to claim 3 is characterized in that each leg portion is in contact with the inner surface of the yoke core. According to the above means, when the legs are inserted into the gap between the coils from one end side in the axial direction of the stator iron core, each leg comes into contact with the inner surface of the yoke iron core, and the terminal block moves in the horizontal direction with respect to the stator iron core. Is positioned to.
【0009】請求項4記載のモータの固定子は、ヨーク
鉄心の軸方向一端面に接触する段部が各脚部に形成さ
れ、各脚部が抜止め手段により固定子鉄心に対して抜止
めされているところに特徴を有する。上記手段によれ
ば、固定子鉄心の軸方向一端側からコイル相互間の隙間
に脚部を挿入すると、各脚部の段部がヨーク鉄心の軸方
向一端面に当接し、端子台が固定子鉄心に対して高さ方
向へ位置決めされると共に、各脚部が固定子鉄心に対し
て抜止めされる。According to a fourth aspect of the present invention, in the stator of the motor, each leg has a stepped portion that comes into contact with one end face in the axial direction of the yoke core, and each leg is retained by the retaining means with respect to the stator core. It has a feature where it is. According to the above means, when the legs are inserted into the gaps between the coils from one end side in the axial direction of the stator core, the stepped portions of each leg contact the one end face in the axial direction of the yoke core, and the terminal block becomes the stator. The legs are positioned in the height direction with respect to the iron core, and each leg is retained against the stator iron core.
【0010】請求項5記載のモータの固定子は、抜止め
手段が、各脚部に一体形成され、ヨーク鉄心の軸方向他
端面に係合することに伴い段部との間でヨーク鉄心を挟
み込む爪部であるところに特徴を有する。上記手段によ
れば、固定子鉄心の軸方向一端側からコイル相互間の隙
間に脚部を挿入すると、各脚部の段部がヨーク鉄心の軸
方向一端面に当接し、各脚部の爪部がヨーク鉄心の軸方
向他端面に係合する。従って、段部および爪部間でヨー
ク鉄心が挟み込まれ、各脚部が固定子鉄心に対して抜止
めされる。In the stator of the motor according to the fifth aspect, the retaining means is integrally formed on each leg portion, and the yoke iron core is formed between the leg portion and the step portion by engaging with the other axial end surface of the yoke iron core. It has a feature in that it is a claw portion to be sandwiched. According to the above means, when the leg portions are inserted into the gaps between the coils from one end side in the axial direction of the stator core, the stepped portions of each leg portion come into contact with the one end surface in the axial direction of the yoke core, and the claws of each leg portion are contacted. The portion engages with the other axial end surface of the yoke core. Therefore, the yoke iron core is sandwiched between the step portion and the claw portion, and each leg portion is prevented from coming off from the stator iron core.
【0011】請求項6記載のモータの固定子は、ヨーク
鉄心および各巻枠の一方の鍔部間に隙間が形成され、こ
の隙間に挿入される突部が各脚部に一体形成されている
ところに特徴を有する。上記手段によれば、固定子鉄心
の軸方向一端側からコイル相互間の隙間に脚部を挿入す
ると、ヨーク鉄心および各巻枠の一方の鍔部間に形成さ
れた隙間に各脚部の突部が挿入される。従って、各コイ
ルから一方の鍔部および突部に沿ってヨーク鉄心に至る
絶縁距離が長くなる。According to a sixth aspect of the present invention, in a stator of a motor, a gap is formed between the yoke iron core and one flange portion of each winding frame, and a protrusion inserted into the gap is integrally formed with each leg portion. It is characterized by According to the above means, when the leg portion is inserted into the gap between the coils from one end side in the axial direction of the stator iron core, the protrusion of each leg portion is inserted in the gap formed between the yoke iron core and one flange portion of each winding frame. Is inserted. Therefore, the insulation distance from each coil to the yoke iron core along the one flange and the protrusion becomes long.
【0012】[0012]
【発明の実施の形態】以下、本発明の第1実施例を図1
ないし図7に基づいて説明する。尚、本実施例は、パイ
プ用換気扇に用いられるファン装置のコンデンサ誘導モ
ータに本発明を適用したものである。まず、図1におい
て、固定子鉄心1は、矩形状をなすヨーク鉄心1aの内
周部に4本のティース鉄心1b(図2に1本のみ図示す
る)を90°ピッチで嵌着して構成されたものであり、
4本のティース鉄心1bはヨーク鉄心1aの内側へ突出
し、円筒状の連結部1cを介して連結されている。尚、
連結部1cの内部には回転子(図示せず)が収容され
る。FIG. 1 shows a first embodiment of the present invention.
7 will be described with reference to FIG. In this embodiment, the present invention is applied to a condenser induction motor of a fan device used for a ventilation fan for pipes. First, in FIG. 1, a stator core 1 is constructed by fitting four tooth cores 1b (only one is shown in FIG. 2) at a 90 ° pitch on the inner peripheral portion of a rectangular yoke core 1a. Was done,
The four tooth iron cores 1b project inside the yoke iron core 1a and are connected to each other via a cylindrical connecting portion 1c. still,
A rotor (not shown) is housed inside the connecting portion 1c.
【0013】各ティース鉄心1bには、図2に示すよう
に、巻枠2の胴部2aが嵌着されている。これら各巻枠
2は合成樹脂から形成されたものであり、図1に示すよ
うに、各胴部2aの両端部には鍔部2b,2cが一体形
成されている。そして、図1の左側および右側に位置す
る巻枠2の胴部2aには主コイル3Aが巻装され、残り
2つの巻枠2の胴部2aには補助コイル3Bが巻装され
ている。尚、固定子鉄心1を組立てるにあたっては、主
コイル3Aが巻装された巻枠2および補助コイル3Bが
巻装された巻枠2をティース鉄心1bに嵌着した後、テ
ィース鉄心1bをヨーク鉄心1aに嵌着する。As shown in FIG. 2, the body portion 2a of the winding frame 2 is fitted on each tooth core 1b. Each of these reels 2 is made of synthetic resin, and as shown in FIG. 1, flanges 2b and 2c are integrally formed at both ends of each body 2a. The main coil 3A is wound around the body 2a of the reel 2 located on the left and right sides of FIG. 1, and the auxiliary coil 3B is wound around the body 2a of the remaining two reels 2. When assembling the stator core 1, after fitting the reel 2 around which the main coil 3A is wound and the reel 2 around which the auxiliary coil 3B is wound onto the teeth core 1b, the teeth core 1b is attached to the yoke core. Fit in 1a.
【0014】固定子鉄心1の上端側(軸方向一端側)に
は、図2に示すように、合成樹脂製(具体的にはポリブ
チレンテレフタレート製)の端子台4が設けられてい
る。この端子台4は、図5に示すように、円板の一部を
直状に切欠いた形状をなすものであり、端子台4の下面
には、図5ないし図7に示すように、4本の脚部4aが
一体形成されている。これら各脚部4aは、図1に示す
ように、隣り合うコイル3Aおよび3B間の隙間5に挿
入されるものであり、各脚部4aの内面は鍔部2cに接
触し、各脚部4aの外面は鍔部2bに接触している。
尚、各脚部4aと主コイル3Aとの間,各脚部4aと補
助コイル3Bとの間,各脚部4aとヨーク鉄心1aとの
間には隙間が形成されている。As shown in FIG. 2, a terminal block 4 made of synthetic resin (specifically made of polybutylene terephthalate) is provided on the upper end side (one end side in the axial direction) of the stator core 1. As shown in FIG. 5, the terminal block 4 has a shape in which a part of a circular plate is cut out in a straight line shape. The leg portion 4a of the book is integrally formed. As shown in FIG. 1, these leg portions 4a are inserted into the gaps 5 between the adjacent coils 3A and 3B, and the inner surface of each leg portion 4a contacts the flange portion 2c, so that each leg portion 4a. The outer surface of is in contact with the collar portion 2b.
It should be noted that gaps are formed between each leg 4a and the main coil 3A, between each leg 4a and the auxiliary coil 3B, and between each leg 4a and the yoke iron core 1a.
【0015】各脚部4aの先端部には、図3に示すよう
に、その外面に位置して面取り部4bが形成されてい
る。これら各面取り部4bは、脚部4aの先端部から基
端部に向かうに従ってヨーク鉄心1a側に近付く傾斜面
状をなしており、各面取り部4bは、脚部4aの挿入時
にヨーク鉄心1aの内周部を逃げ、且つ、巻枠2の鍔部
2bおよび2c間に脚部4aを案内する機能を有してい
る。また、端子台4には、図5および図6に示すよう
に、コネクタ部4cが一体形成されている。このコネク
タ部4cは端子台4の上面に位置するものであり、図示
右側へ開口する矩形箱状をなしている。As shown in FIG. 3, a chamfered portion 4b is formed on the outer surface of each of the leg portions 4a, as shown in FIG. Each of these chamfered portions 4b has an inclined surface shape that approaches the yoke iron core 1a side from the tip end portion to the base end portion of the leg portion 4a. It has a function of escaping the inner peripheral portion and guiding the leg portion 4a between the collar portions 2b and 2c of the winding frame 2. Further, as shown in FIGS. 5 and 6, the terminal block 4 is integrally formed with a connector portion 4c. The connector portion 4c is located on the upper surface of the terminal block 4, and has a rectangular box shape opening to the right side in the drawing.
【0016】端子台4には給電用回路部(図示せず)が
設けられている。この給電用回路部は、端子台4に埋設
された複数の導体(図示せず)からなるものであり、図
4において、各導体の一端部はコネクタ部4c内に位置
し、導体の他端部はコイル3Aまたは3Bに接続されて
いる。従って、コネクタ部4cの開口部に相手側のコネ
クタを嵌合すると、該コネクタのターミナルが導体に接
続され、相手側のコネクタから導体を通してコイル3A
および3Bに電源が供給される。The terminal block 4 is provided with a power supply circuit section (not shown). This power supply circuit section is composed of a plurality of conductors (not shown) buried in the terminal block 4. In FIG. 4, one end of each conductor is located inside the connector section 4c and the other end of the conductor is located. The part is connected to the coil 3A or 3B. Therefore, when the mating connector is fitted in the opening of the connector portion 4c, the terminal of the mating connector is connected to the conductor, and the coil 3A is passed from the mating connector through the conductor.
And 3B are powered.
【0017】尚、給電用回路部の各導体は、端子台4の
成形時にインサート成形されたものであり、リード線や
端子ピン等の接続部材を介してコイル3Aおよび3Bに
接続されている。また、端子台4には運転用コンデンサ
(図示せず)が装着されており、このコンデンサは給電
用回路部における所定の導体に接続されている。また、
端子台4の中央部には円形状の開口部4dが形成されて
おり、回転子の一方の回転軸は開口部4dを通して端子
台4の外部に突出している。The conductors of the power supply circuit section are insert-molded when the terminal block 4 is molded, and are connected to the coils 3A and 3B via connecting members such as lead wires and terminal pins. Further, a driving capacitor (not shown) is mounted on the terminal block 4, and this capacitor is connected to a predetermined conductor in the power feeding circuit section. Also,
A circular opening 4d is formed in the center of the terminal block 4, and one rotation shaft of the rotor projects outside the terminal block 4 through the opening 4d.
【0018】上記実施例によれば、端子台4を把持し
て、固定子鉄心1の上端側から4本の脚部4aを隙間5
に押込むと、複数の隙間5に脚部4aが一度に装着さ
れ、主コイル3Aおよび固定子鉄心1間,補助コイル3
Bおよび固定子鉄心1間が脚部4aにより絶縁される。
尚、脚部4aの押込み動作は、各脚部4aと鍔部2bお
よび2bとの接触圧に抗して行われる(いわゆる圧
入)。According to the above embodiment, the terminal block 4 is gripped, and the four leg portions 4a from the upper end side of the stator core 1 are separated by the gap 5.
, The leg portions 4a are attached to the plurality of gaps 5 at a time, and the main coil 3A and the stator core 1 and the auxiliary coil 3 are connected to each other.
B and the stator core 1 are insulated by the leg portions 4a.
The pushing operation of the leg portions 4a is performed against the contact pressure between each leg portion 4a and the collar portions 2b and 2b (so-called press-fitting).
【0019】従って、主コイル3Aおよび補助コイル3
Bの巻回数が多い場合や主コイル3Aおよび補助コイル
3Bが巻枠2に偏って巻回された場合でも、各コイル3
Aおよび3Bと固定子鉄心1との間が確実に絶縁され
る。しかも、端子台4の装着と同時に各コイル3Aおよ
び3Bと固定子鉄心1との間が絶縁処理されると共に、
複数の隙間5に夫々絶縁部材を挿入する必要がなくなる
ので、固定子の組立工数が削減され、その結果、装置が
コストダウンされる。Therefore, the main coil 3A and the auxiliary coil 3
Even if the number of windings of B is large or the main coil 3A and the auxiliary coil 3B are wound around the winding frame 2 in a biased manner, each coil 3
A reliable insulation is provided between A and 3B and the stator core 1. Moreover, at the same time as mounting the terminal block 4, the coils 3A and 3B are insulated from the stator core 1, and
Since it is not necessary to insert an insulating member into each of the plurality of gaps 5, the number of steps for assembling the stator is reduced, and as a result, the cost of the device is reduced.
【0020】また、各脚部4aの内面を鍔部2cに接触
させ且つ各脚部4aの外面を鍔部2bに接触させた。こ
のため、端子台4が固定子鉄心1に対して水平方向へ位
置決めされ、その結果、端子台4が水平方向へがたつく
ことが防止される。しかも、各脚部4aと鍔部2bおよ
び2bとの接触圧により、端子台4が固定子鉄心1に対
して抜止め状態で装着される。Further, the inner surface of each leg portion 4a was brought into contact with the collar portion 2c, and the outer surface of each leg portion 4a was brought into contact with the collar portion 2b. Therefore, the terminal block 4 is positioned in the horizontal direction with respect to the stator core 1, and as a result, the terminal block 4 is prevented from rattling in the horizontal direction. Moreover, the terminal block 4 is attached to the stator core 1 in a state of being prevented from being pulled out by the contact pressure between the leg portions 4a and the flange portions 2b and 2b.
【0021】さらに、各脚部4aの先端部に面取り部4
bを形成した。このため、端子台4を固定子鉄心1に装
着するにあたって、各面取り部4bがヨーク鉄心1aの
内周部を逃げるので、各脚部4aがヨーク鉄心1aに引
掛かることなく、隙間5に円滑に挿入される。これと共
に、各脚部4aが面取り部4bにより鍔部2bおよび2
c間に案内され、コイル3Aおよび3B間の隙間5に円
滑に装着される。Further, the chamfered portion 4 is provided at the tip of each leg 4a.
b was formed. Therefore, when the terminal block 4 is mounted on the stator core 1, the chamfered portions 4b escape from the inner peripheral portion of the yoke core 1a, so that the legs 4a do not catch on the yoke core 1a and smoothly move into the gap 5. Inserted in. At the same time, each leg portion 4a is provided with a chamfered portion 4b so that the collar portions 2b and 2
It is guided between c and is smoothly mounted in the gap 5 between the coils 3A and 3B.
【0022】次に本発明の第2実施例を図8ないし図1
2に基づいて説明する。尚、上記第1実施例と同一の部
材については同一の符号を付して説明を省略し、以下、
異なる部材についてのみ説明を行う。まず、図10ない
し図12において、各脚部4aの基端部には厚肉部4e
が一体形成されており、厚肉部4eと残り部分との間に
は段部4fが形成されている。また、各脚部4aのうち
面取り部4bおよび厚肉部4eを除く部分は、図8およ
び図9に示すように、ヨーク鉄心1aの内面隅部に接触
している。Next, a second embodiment of the present invention will be described with reference to FIGS.
2 will be described. The same members as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.
Only different members will be described. First, in FIGS. 10 to 12, a thick portion 4e is formed at the base end of each leg 4a.
Are integrally formed, and a step portion 4f is formed between the thick portion 4e and the remaining portion. Further, as shown in FIGS. 8 and 9, a portion of each leg portion 4a excluding the chamfered portion 4b and the thick portion 4e is in contact with the inner surface corner portion of the yoke iron core 1a.
【0023】上記実施例によれば、各脚部4aと鍔部2
bとの接触圧,各脚部4aと鍔部2cとの接触圧,各脚
部4aとヨーク鉄心1aとの接触圧に抗して、固定子鉄
心1の上端側から4本の脚部4aを隙間5に圧入する
と、各脚部4aの段部4fがヨーク鉄心1aの上端面に
当接し、各脚部4aが隙間5に抜止め状態で装着され
る。このため、端子台4が固定子鉄心1に対して高さ方
向へ位置決めされるので、端子台4を介して巻枠2に応
力が作用することが防止される。According to the above embodiment, each leg portion 4a and the collar portion 2 are
4 leg portions 4a from the upper end side of the stator core 1 against the contact pressure with b, the contact pressure between each leg 4a and the collar 2c, and the contact pressure between each leg 4a and the yoke core 1a. Is press-fitted into the gap 5, the step portion 4f of each leg portion 4a abuts on the upper end surface of the yoke core 1a, and each leg portion 4a is mounted in the gap 5 in a retaining state. For this reason, since the terminal block 4 is positioned in the height direction with respect to the stator core 1, stress is prevented from acting on the winding frame 2 via the terminal block 4.
【0024】次に本発明の第3実施例を図13に基づい
て説明する。尚、上記第2実施例と同一の部材について
は同一の符号を付して説明を省略し、以下、異なる部材
についてのみ説明を行う。各脚部4aには、抜止め手段
に相当する爪部4gが一体形成されており、これら各爪
部4gはヨーク鉄心1の厚さ分だけ段部4fから離間し
て配置されている。また、各脚部4aのうちの面取部4
b,厚肉部4e,爪部4gを除いた残り部分とヨーク鉄
心1aの内面との間には隙間6が形成されている。Next, a third embodiment of the present invention will be described with reference to FIG. The same members as those in the second embodiment are denoted by the same reference numerals, and description thereof will be omitted. Hereinafter, only different members will be described. A claw portion 4g corresponding to a retaining means is integrally formed on each leg portion 4a, and each claw portion 4g is arranged apart from the step portion 4f by the thickness of the yoke core 1. In addition, the chamfered portion 4 of each leg portion 4a
A gap 6 is formed between the remaining portion excluding b, the thick portion 4e, and the claw portion 4g and the inner surface of the yoke core 1a.
【0025】上記実施例によれば、固定子鉄心1の上端
側からコイル3Aおよび3B相互間の各隙間5に脚部4
aを押込んで、各脚部4aの段部4fをヨーク鉄心1a
の上端面に当接させると、各脚部4aの爪部4gがヨー
ク鉄心1aの下端面に係合する。従って、各段部4fお
よび爪部4g間でヨーク鉄心1aが挟み込まれ、各脚部
4aが固定子鉄心1に対して確実に抜止め状態で装着さ
れる。According to the above embodiment, the leg portions 4 are provided in the gaps 5 between the coils 3A and 3B from the upper end side of the stator core 1.
a and push in the stepped portion 4f of each leg portion 4a to the yoke core 1a.
When brought into contact with the upper end surface of, the claw portion 4g of each leg portion 4a engages with the lower end surface of the yoke iron core 1a. Therefore, the yoke iron core 1a is sandwiched between the step portions 4f and the claw portions 4g, and the leg portions 4a are securely attached to the stator iron core 1 in a retaining state.
【0026】尚、上記第1ないし第3実施例において
は、各脚部4aを巻枠2の鍔部2bおよび2cに接触さ
せたが、これに限定されるものではなく、例えば鍔部2
bおよび2cのいずれか一方に接触させる構成としても
良い。In the first to third embodiments described above, the leg portions 4a are brought into contact with the collar portions 2b and 2c of the bobbin 2. However, the present invention is not limited to this. For example, the collar portion 2 is used.
It may be configured so as to be in contact with either one of b and 2c.
【0027】次に本発明の第4実施例を図14および図
15に基づいて説明する。尚、上記第1実施例と同一の
部材については同一の符号を付して説明を省略し、以
下、異なる部材についてのみ説明を行う。端子台4には
4本の脚部4a´が一体形成されている。これら各脚部
4a´はコイル3Aおよび3B相互間の隙間5に挿入さ
れるものであり、各脚部4a´の外面はヨーク鉄心1a
の内面隅部に接触し、各脚部4a´の両側面は、隣り合
う各巻枠2における一方の鍔部2bの側面に接触してい
る。また、各脚部4a´および主コイル3A間,各脚部
4a´および補助コイル3B間,各脚部4a´および巻
枠2の鍔部2c間には隙間が形成されている。Next, a fourth embodiment of the present invention will be described with reference to FIGS. 14 and 15. The same members as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted. Hereinafter, only different members will be described. The terminal block 4 is integrally formed with four legs 4a '. These leg portions 4a 'are inserted into the gap 5 between the coils 3A and 3B, and the outer surface of each leg portion 4a' is the yoke core 1a.
, And both side surfaces of each leg portion 4a ′ are in contact with the side surface of one flange portion 2b of each adjacent winding frame 2. Further, gaps are formed between the leg portions 4a ′ and the main coil 3A, between the leg portions 4a ′ and the auxiliary coil 3B, and between the leg portions 4a ′ and the collar portion 2c of the winding frame 2.
【0028】上記実施例によれば、固定子鉄心1の上端
側から4本の脚部4a´を隙間5に圧入すると、各脚部
4a´およびヨーク鉄心1a間が接触し且つ各脚部4a
´および巻枠2の鍔部2b間が接触し、各脚部4a´が
ヨーク鉄心1aおよび巻枠2により水平方向へ位置決め
される。従って、端子台4が水平方向へがたつくことが
防止される。これと共に、各脚部4a´およびヨーク鉄
心1a間の接触圧,各脚部4a´および鍔部2b間の接
触圧により、端子台4が固定子鉄心1に対して抜止め状
態で装着される。According to the above embodiment, when the four leg portions 4a 'are press-fitted into the gap 5 from the upper end side of the stator core 1, the leg portions 4a' and the yoke iron core 1a come into contact with each other and each leg portion 4a.
′ And the flange portion 2b of the winding frame 2 are in contact with each other, and each leg portion 4a ′ is positioned horizontally by the yoke iron core 1a and the winding frame 2. Therefore, the terminal block 4 is prevented from rattling in the horizontal direction. At the same time, the terminal block 4 is attached to the stator core 1 in a retaining state by the contact pressure between the leg portions 4a 'and the yoke iron core 1a and the contact pressure between the leg portions 4a' and the flange portion 2b. .
【0029】尚、上記第4実施例においては、各脚部4
a´を鍔部2bおよびヨーク鉄心1aに接触させたが、
これに限定されるものではなく、例えばヨーク鉄心1a
のみに接触させたり、ヨーク鉄心1aと両鍔部2b,2
cとに接触させても良い。In the fourth embodiment, each leg 4 is
a'is brought into contact with the collar portion 2b and the yoke iron core 1a,
The present invention is not limited to this. For example, the yoke iron core 1a
Contact only with the yoke core 1a and the two collars 2b, 2
You may make it contact with c.
【0030】次に本発明の第5実施例を図16に基づい
て説明する。尚、上記第4実施例と同一の部材について
は同一の符号を付して説明を省略し、以下、異なる部材
についてのみ説明を行う。Next, a fifth embodiment of the present invention will be described with reference to FIG. The same members as those in the fourth embodiment are denoted by the same reference numerals, and description thereof will be omitted. Hereinafter, only different members will be described.
【0031】巻枠2の一方の鍔部2bとヨーク鉄心1a
との間には隙間7が形成されている。また、各脚部4a
´の両側面には、巻枠2側へ突出する突部4hが一体形
成されており、各突部4hは隙間7に挿入されている。
また、各脚部4aおよび主コイル3A間,各脚部4aお
よび補助コイル3B間,各突部4hおよび巻枠2の鍔部
2b間には隙間が形成され、各脚部4a´の両側面は、
隣り合う各巻枠2における両鍔部2b,2cの側面に接
触している。One flange portion 2b of the winding frame 2 and the yoke core 1a
A gap 7 is formed between and. In addition, each leg 4a
Projections 4h projecting toward the winding frame 2 are integrally formed on both side surfaces of the ‘′, and the projections 4h are inserted into the gaps 7.
Further, a gap is formed between each leg portion 4a and the main coil 3A, between each leg portion 4a and the auxiliary coil 3B, between each protrusion 4h and the flange portion 2b of the winding frame 2, and both side surfaces of each leg portion 4a 'are formed. Is
It is in contact with the side surfaces of the flange portions 2b and 2c of the adjacent reels 2.
【0032】上記実施例によれば、固定子鉄心1の上端
側からコイル3Aおよび3B相互間の隙間5に脚部4a
を圧入すると、ヨーク鉄心1aおよび鍔部2b間の隙間
7に突部4hが挿入される。従って、主コイル3Aから
鍔部2bおよび突部4hに沿ってヨーク鉄心1aに至る
絶縁距離,補助コイル3Bから鍔部2bおよび突部4h
に沿ってヨーク鉄心1aに至る絶縁距離が長くなり、そ
の結果、コイル3Aおよび3Bと固定子鉄心1との間の
絶縁性能が向上する。According to the above embodiment, the leg portion 4a is provided in the gap 5 between the coils 3A and 3B from the upper end side of the stator core 1.
When is pressed in, the protrusion 4h is inserted into the gap 7 between the yoke core 1a and the flange 2b. Therefore, the insulation distance from the main coil 3A to the yoke core 1a along the flange 2b and the protrusion 4h, and the auxiliary coil 3B to the flange 2b and the protrusion 4h.
The insulation distance to the yoke core 1a along the length becomes longer, and as a result, the insulation performance between the coils 3A and 3B and the stator core 1 is improved.
【0033】尚、上記第5実施例においては、各脚部4
a´を鍔部2b,2cおよびヨーク鉄心1aに接触させ
たが、これに限定されるものではなく、例えば、鍔部2
b,鍔部2c,ヨーク鉄心1aのうちのいずれか一つに
接触させたり、あるいは、鍔部2b,鍔部2c,ヨーク
鉄心1aのうちのいずれか2つに接触させたりしても良
い。In the fifth embodiment, each leg 4 is
Although a ′ is brought into contact with the collar portions 2b and 2c and the yoke iron core 1a, the invention is not limited to this, and for example, the collar portion 2
b, the collar portion 2c, or the yoke iron core 1a, or any two of the collar portion 2b, the collar portion 2c, and the yoke iron core 1a may be contacted.
【0034】また、上記第4および第5実施例において
は、各脚部4a´をヨーク鉄心1aの内面および巻枠2
に接触させることに伴い、水平方向へ位置決めする構成
としたが、これに限定されるものではなく、例えば各脚
部4a´に段部を形成し、この段部をヨーク鉄心1aの
上端面に接触させることに伴い高さ方向へ位置決めして
も良い。In the fourth and fifth embodiments, the leg portions 4a 'are connected to the inner surface of the yoke core 1a and the bobbin 2.
However, the present invention is not limited to this. For example, a step is formed on each leg 4a ', and this step is formed on the upper end surface of the yoke iron core 1a. Positioning may be performed in the height direction along with the contact.
【0035】また、上記第4および第5実施例において
は、各脚部4a´をヨーク鉄心1aの内面および巻枠2
に接触させることに伴い固定子鉄心1から抜止めする構
成としたが、これに限定されるものではなく、例えば各
脚部4a´に段部および爪部を形成し、これら段部およ
び爪部間でヨーク鉄心1aを挟み込むことに伴い、固定
子鉄心1から抜止めしても良い。In the fourth and fifth embodiments, the leg portions 4a 'are connected to the inner surface of the yoke iron core 1a and the winding frame 2.
The stator core 1 is prevented from coming off from the stator core 1 when it is brought into contact with, but is not limited to this. For example, a step portion and a claw portion are formed in each leg portion 4a ′, and the step portion and the claw portion are formed. The yoke core 1a may be sandwiched between the stator core 1 and the yoke core 1a.
【0036】また、上記第1ないし第5実施例において
は、端子台4をポリブチレンテレフタレート(PBT)
から形成したが、これに限定されるものではなく、例え
ばポリフェニレンサルファイド(PPS)から形成して
も良い。In the first to fifth embodiments, the terminal block 4 is made of polybutylene terephthalate (PBT).
However, the present invention is not limited to this, and may be formed of polyphenylene sulfide (PPS), for example.
【0037】[0037]
【発明の効果】以上の説明から明らかなように、本発明
のモータの固定子は以下の効果を奏する。請求項1記載
の手段によれば、隣り合うコイル間の複数の隙間に端子
台の脚部を一度に挿入できるので、複数の隙間に絶縁部
材を夫々挿入する繁雑さが解消され、その結果、固定子
の組立工数が削減される。請求項2記載の手段によれ
ば、隣り合うコイル相互間の隙間に脚部を挿入すること
に伴い、各脚部および巻枠の鍔部間を接触させることが
できるので、端子台が固定子鉄心に対して水平方向へ位
置決めされる。As is apparent from the above description, the stator of the motor of the present invention has the following effects. According to the means described in claim 1, since the legs of the terminal block can be inserted into the plurality of gaps between the adjacent coils at one time, the complexity of inserting the insulating members into the plurality of gaps is eliminated, and as a result, The number of man-hours for assembling the stator is reduced. According to the means described in claim 2, since the leg portions and the flange portions of the winding frame can be brought into contact with each other by inserting the leg portions into the gaps between the adjacent coils, the terminal block is fixed to the stator. Positioned horizontally with respect to the iron core.
【0038】請求項3記載の手段によれば、隣り合うコ
イル相互間の隙間に脚部を挿入することに伴い、各脚部
およびヨーク鉄心間を接触させることができるので、端
子台が固定子鉄心に対して水平方向へ位置決めされる。
請求項4記載の手段によれば、隣り合うコイル間の隙間
に脚部を挿入することに伴い、各脚部の段部を固定子鉄
心の軸方向一端面に当接させることができるので、端子
台が固定子鉄心に対して高さ方向へ位置決めされると共
に固定子鉄心に対して抜止めされる。According to the third aspect of the present invention, since the leg portions and the yoke iron core can be brought into contact with each other by inserting the leg portions into the gaps between the adjacent coils, the terminal block is fixed to the stator. Positioned horizontally with respect to the iron core.
According to the means described in claim 4, since the step portion of each leg portion can be brought into contact with the one axial end surface of the stator core by inserting the leg portion into the gap between the adjacent coils, The terminal block is positioned in the height direction with respect to the stator core, and is fixed to the stator core.
【0039】請求項5記載の手段によれば、隣り合うコ
イル間の隙間に脚部を挿入することに伴い、各脚部の段
部および爪部間で固定子鉄心を挟み込むことができるの
で、脚部が固定子鉄心に対して抜止めされる。請求項6
記載の手段によれば、隣り合うコイル間の隙間に脚部を
挿入することに伴い、巻枠の一方の鍔部と各脚部の突部
とを重ねることができるので、各コイルおよび固定子鉄
心間の絶縁距離が長くなる。According to the means described in claim 5, the stator core can be sandwiched between the stepped portion and the claw portion of each leg by inserting the leg into the gap between the adjacent coils. The legs are locked against the stator core. Claim 6
According to the described means, one flange portion of the winding frame and the projection of each leg portion can be overlapped with each other by inserting the leg portion into the gap between the adjacent coils. The insulation distance between the iron cores becomes longer.
【図1】本発明の第1実施例を示す下面図FIG. 1 is a bottom view showing a first embodiment of the present invention.
【図2】図4のイ−イ線に沿う断面図FIG. 2 is a sectional view taken along the line EE of FIG.
【図3】図4のロ−ロ線に沿う断面図3 is a cross-sectional view taken along the line of FIG.
【図4】上面図FIG. 4 is a top view
【図5】端子台の上面図FIG. 5: Top view of terminal block
【図6】端子台の側面図FIG. 6 is a side view of the terminal block.
【図7】端子台の縦断面図FIG. 7 is a vertical sectional view of the terminal block.
【図8】本発明の第2実施例を示す縦断面図(図3相当
図)FIG. 8 is a vertical sectional view showing a second embodiment of the present invention (equivalent to FIG. 3).
【図9】図8のハ−ハ線に沿う断面図9 is a cross-sectional view taken along the line of FIG.
【図10】図5相当図FIG. 10 is a diagram corresponding to FIG. 5;
【図11】図6相当図FIG. 11 is a view corresponding to FIG.
【図12】図7相当図FIG. 12 is a view corresponding to FIG. 7.
【図13】本発明の第3実施例を示す縦断面図(図3相
当図)FIG. 13 is a longitudinal sectional view showing a third embodiment of the present invention (corresponding to FIG. 3).
【図14】本発明の第4実施例を示す横断面図(図15
のニ−ニ線に沿う断面図)FIG. 14 is a cross sectional view showing a fourth embodiment of the present invention (FIG. 15).
Cross-sectional view along the line
【図15】縦断面図(図3相当図)FIG. 15 is a vertical sectional view (equivalent to FIG. 3)
【図16】本発明の第5実施例を示す横断面図FIG. 16 is a cross sectional view showing a fifth embodiment of the present invention.
1は固定子鉄心、1aはヨーク鉄心、1bはティース鉄
心、2は巻枠、2bおよび2cは鍔部、3Aは主コイル
(コイル)、3Bは補助コイル(コイル)、4は端子
台、4aおよび4a´は脚部、4fは段部、4gは爪部
(抜止め手段)、5および7は隙間を示す。1 is a stator core, 1a is a yoke core, 1b is a teeth core, 2 is a winding frame, 2b and 2c are flanges, 3A is a main coil (coil), 3B is an auxiliary coil (coil), 4 is a terminal block, 4a. And 4a 'are leg portions, 4f is a step portion, 4g is a claw portion (prevention means), and 5 and 7 are gaps.
Claims (6)
ク鉄心に設けられヨーク鉄心の内側へ突出する複数のテ
ィース鉄心を有する固定子鉄心と、 この固定子鉄心の各ティース鉄心に設けられ、両端部に
鍔部を有する複数の巻枠と、 これら各巻枠に巻装されたコイルと、 前記固定子鉄心の軸方向一端部に設けられ、前記各コイ
ルへの給電用回路部を有する樹脂製の端子台とを備えた
ものにおいて、 この端子台には、前記固定子鉄心の軸方向一端側から隣
り合うコイル間の隙間に挿入される脚部が複数一体形成
されていることを特徴とするモータの固定子。1. A stator core having an annular yoke core and a plurality of teeth cores provided on the yoke core and projecting to the inside of the yoke core, and each stator core provided with the stator core. A plurality of reels each having a flange portion, a coil wound around each of these reels, and a resin provided with an axial end portion of the stator core and having a power supply circuit portion for each coil. A motor having a terminal block, wherein a plurality of legs are formed integrally with the terminal block so as to be inserted into a gap between adjacent coils from one end side in the axial direction of the stator core. Stator.
ていることを特徴とする請求項1記載のモータの固定
子。2. The stator of a motor according to claim 1, wherein each leg portion is in contact with a collar portion of each adjacent winding frame.
ることを特徴とする請求項1記載のモータの固定子。3. The stator for a motor according to claim 1, wherein each leg is in contact with the inner surface of the yoke core.
に接触する段部が形成され、 前記各脚部は、抜止め手段により固定子鉄心に対して抜
止めされていることを特徴とする請求項1記載のモータ
の固定子。4. A step portion is formed on each leg portion, the step portion being in contact with one end surface in the axial direction of the yoke iron core, and each leg portion is retained by the retaining means with respect to the stator iron core. The stator for a motor according to claim 1, wherein the stator is a motor.
合することに伴い段部との間でヨーク鉄心を挟み込む爪
部であることを特徴とする請求項4記載のモータの固定
子。5. The retaining means is a claw portion that is integrally formed with each leg portion and that sandwiches the yoke iron core with the step portion by engaging with the other axial end face of the yoke iron core. The stator of the motor according to claim 4.
には隙間が形成され、 各脚部には、前記隙間に挿入さ
れる突部が一体形成されていることを特徴とする請求項
1記載のモータの固定子。6. A gap is formed between the yoke core and one flange portion of each winding frame, and each leg portion is integrally formed with a protrusion to be inserted into the gap. The stator of the motor according to 1.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17357895A JPH0928049A (en) | 1995-07-10 | 1995-07-10 | Stator for motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17357895A JPH0928049A (en) | 1995-07-10 | 1995-07-10 | Stator for motor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0928049A true JPH0928049A (en) | 1997-01-28 |
Family
ID=15963175
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17357895A Pending JPH0928049A (en) | 1995-07-10 | 1995-07-10 | Stator for motor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0928049A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005080346A (en) * | 2003-08-28 | 2005-03-24 | Showa Corp | Electric motor |
KR100464252B1 (en) * | 1998-01-21 | 2005-05-09 | 엘지산전 주식회사 | Stator of the power tool and its manufacturing method |
JP2009291004A (en) * | 2008-05-29 | 2009-12-10 | Toyota Motor Corp | Rotary electric machine |
-
1995
- 1995-07-10 JP JP17357895A patent/JPH0928049A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100464252B1 (en) * | 1998-01-21 | 2005-05-09 | 엘지산전 주식회사 | Stator of the power tool and its manufacturing method |
JP2005080346A (en) * | 2003-08-28 | 2005-03-24 | Showa Corp | Electric motor |
JP2009291004A (en) * | 2008-05-29 | 2009-12-10 | Toyota Motor Corp | Rotary electric machine |
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