JPH0158742B2 - - Google Patents

Info

Publication number
JPH0158742B2
JPH0158742B2 JP11895382A JP11895382A JPH0158742B2 JP H0158742 B2 JPH0158742 B2 JP H0158742B2 JP 11895382 A JP11895382 A JP 11895382A JP 11895382 A JP11895382 A JP 11895382A JP H0158742 B2 JPH0158742 B2 JP H0158742B2
Authority
JP
Japan
Prior art keywords
bracket
stator
fixing
engaged
fixing means
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
Application number
JP11895382A
Other languages
Japanese (ja)
Other versions
JPS5910151A (en
Inventor
Juji Doi
Nobuyuki Kozakura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP57118953A priority Critical patent/JPS5910151A/en
Publication of JPS5910151A publication Critical patent/JPS5910151A/en
Publication of JPH0158742B2 publication Critical patent/JPH0158742B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/15Mounting arrangements for bearing-shields or end plates

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Frames (AREA)

Description

【発明の詳細な説明】 本発明はモールドモータのブラケツトの固定構
造に関するものである。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a fixing structure for a bracket of a molded motor.

モールドモータのブラケツトの固定はブラケツ
トに加わる力の方向から大別して2通りの方式が
考えられる。
There are two possible ways to fix the bracket of the molded motor, depending on the direction of the force applied to the bracket.

第1図はその一例を示すもので、固定子鉄心1
に巻線2を巻装しモールド樹脂3で一体的にモー
ルド固定して固定子4を形成している。一方、回
転子5は回転軸6に固着されこの回転軸6を支持
する軸受7a,7bは、ブラケツト8a,8bを
固定子4に設けたインロー部4a,4bに圧入し
た後、装着され、その軸受7a,7bの両外側か
ら止め輪9a,9bを軸6に対して装着する。
Figure 1 shows an example of this.Stator core 1
A stator 4 is formed by winding a winding 2 around and integrally molding and fixing it with a mold resin 3. On the other hand, the rotor 5 is fixed to the rotating shaft 6, and the bearings 7a, 7b supporting the rotating shaft 6 are attached after the brackets 8a, 8b are press-fitted into the pilot parts 4a, 4b provided on the stator 4. Retaining rings 9a and 9b are attached to the shaft 6 from both outer sides of the bearings 7a and 7b.

この様に組立てると軸6に対して仮に右側より
矢印の力F1が加わつた場合を考えると、力F1
止め輪9aを介して受軸7aに伝わりブラケツト
8aに伝つて最後は固定子4のインロー部面を
F1′の力で押すことになる。反対方向の力の場合
も全く同様手順で考えれば良い。この様にすると
力の加わる方向と反対側の軸受或はブラケツトに
抜け荷重が加わらない為、プーリモータ或はコン
ベア用ローラなどでよく採用されている。しか
し、この方式だと、ブラケツト8a,8bを装着
後に軸受7a,7bを装着するため、軸受7a,
7bを回転子5と一体に予め組立てておく事が出
来なくなる。従つて、組立作業が複雑になる。
又、軸受を中心にして中側の軸と外側のブラケツ
トの間がいずれも遊合にしなければならず、この
3者の間に回転時にスベリを生じ、結果的ブラケ
ツト或は軸がクリープを起す事になつて、製品の
信頼性の点で一般の電動機としては採用できない
ものであつた。
When assembled in this way, suppose a force F 1 is applied to the shaft 6 from the right side, and the force F 1 is transmitted to the bearing shaft 7a via the retaining ring 9a, transmitted to the bracket 8a, and finally to the stator. The spigot part of 4
It will be pushed with a force of F 1 ′. In the case of force in the opposite direction, the same procedure can be followed. This method is often used in pulley motors, conveyor rollers, etc. because the pullout load is not applied to the bearing or bracket on the opposite side to the direction in which the force is applied. However, with this method, the bearings 7a, 7b are installed after the brackets 8a, 8b are installed, so the bearings 7a, 7b are installed.
7b cannot be assembled together with the rotor 5 in advance. Therefore, the assembly work becomes complicated.
Also, the inner shaft and outer bracket must be loosely aligned around the bearing, which may cause slippage between these three during rotation, resulting in creep of the bracket or shaft. As a result, due to the product's reliability, it could not be used as a general electric motor.

第2図は他の例を示すものである。固定子4は
前例と同様に形成されている。一方、回転子5は
その軸6に止め輪9a,9bを装着し、更にその
外側に軸受7a,7bが装着固定され、予め組み
立てられる。そして、ブラケツト8a,8bによ
つて固定子のインロー部4a,4bに保持され、
固定子成形時に埋込んだナツト10a,10bに
対してボルト11a,11bによつて締付け固定
される。
FIG. 2 shows another example. The stator 4 is formed similarly to the previous example. On the other hand, the rotor 5 is assembled in advance by attaching retaining rings 9a, 9b to its shaft 6, and furthermore, bearings 7a, 7b are attached and fixed to the outside of the retaining rings 9a, 9b. Then, it is held on the spigot parts 4a, 4b of the stator by brackets 8a, 8b,
The bolts 11a and 11b are tightened and fixed to the nuts 10a and 10b embedded during stator molding.

この方式は一般式に採られる方法で、前例と基
本的に異なる点は、軸1に加えるF1が、力を加
える側と反対側のブラケツトを固定子から離そう
とする方向に伝わる点である。
This method is a method adopted in the general formula, and basically differs from the previous example in that the F 1 applied to shaft 1 is transmitted in the direction that attempts to separate the bracket on the opposite side from the side to which force is applied from the stator. be.

従つてそれに耐えるだけの固着力がブラケツト
8a,8bと固定子4の固着において要求される
訳である。
Therefore, a fixing force sufficient to withstand this is required for fixing the brackets 8a, 8b and the stator 4.

一方、前例に比し、軸6と軸受7a,7bを圧
入によつて一体にする事が可能なため、軸受部分
のクリープなどの信頼性に関する心配はなく、
又、組立ても部分組立が採用でき、はるかに合理
的に行なう事ができる。
On the other hand, compared to the previous example, the shaft 6 and the bearings 7a and 7b can be integrated by press-fitting, so there is no concern about reliability such as creep in the bearing part.
Also, partial assembly can be used for assembly, making it much more efficient.

しかし、この構成ではナツト10a,10bを
埋込む必要があり、成形時に手間がかかり、又、
ナツト10a,10bの埋込後の抜け強度を確保
するためには、ナツト10a,10bをある程度
の厚みで埋込まねばならず、その分だけ成形厚さ
が大きく必要となる。更に巻線2とナツト10
a,10bとの間に充分な絶縁距離をとる必要も
ある。又、一方で、ブラケツト8a,8bを締付
け固定するボルト11a,11bの頭が、モータ
端面の両側に出張つて、モータ取付け上じやまに
なる。
However, with this configuration, it is necessary to embed the nuts 10a and 10b, which takes time and effort during molding, and
In order to ensure the pull-out strength after embedding the nuts 10a, 10b, the nuts 10a, 10b must be embedded to a certain degree of thickness, and the molding thickness must be increased accordingly. Furthermore, winding 2 and nut 10
It is also necessary to provide a sufficient insulation distance between a and 10b. On the other hand, the heads of the bolts 11a, 11b for tightening and fixing the brackets 8a, 8b protrude on both sides of the motor end face, making it difficult to install the motor.

第2の方式の他の例としては、ブラケツトを固
定子のインロー部への圧入力だけ或は接着剤を併
用して固定する方法も考えられるが、これはイン
ロー部の寸法が熱膨張によつて変化した時にしめ
しろが小さくなり抜け荷重が低下する恐れがあ
り、採用しにくい方法である。
Another example of the second method is to fix the bracket only by pressing force into the spigot part of the stator, or by using adhesive in combination, but this is because the dimensions of the spigot part are limited by thermal expansion. This method is difficult to adopt because there is a risk that the interference will become smaller and the pull-out load will decrease when the tension changes.

本発明は上記問題点に鑑み、モールドモータに
おけるブラケツトの固定を容易にするとともに、
絶縁性を向上させ、かつ、形状寸法を小さくし得
るモールドモータを提供することを目的とするも
のである。
In view of the above problems, the present invention facilitates the fixing of a bracket in a molded motor, and
It is an object of the present invention to provide a molded motor that has improved insulation properties and can be made smaller in size.

この目的を達成するために本発明のモールドモ
ータは、固定子4と、ブラケツト8と、ブラケツ
ト固定手段12を備え、前記固定子4は、回転子
5が配置されるべき中央孔1aが固定子鉄心1の
中央に形成され、固定子鉄心1と巻線2がモール
ド樹脂3により一体的にモールドされたものであ
り、かつ中央孔1aの壁面であるモールド内径部
4dには係合部13が形成されており、前記ブラ
ケツト固定手段12は、被係合部12cを有する
挿入部12bと、ブラケツト8を固定する固定部
12aを具備し、前記挿入部12bは中央孔1a
に挿入されるとともに被係合部12cは係合部1
3に係合され、固定部12aによりブラケツト8
を固定子4に固定したものである。
To achieve this object, the molded motor of the present invention includes a stator 4, a bracket 8, and a bracket fixing means 12, and the stator 4 has a central hole 1a in which the rotor 5 is disposed. It is formed at the center of the iron core 1, and the stator core 1 and the winding 2 are integrally molded with mold resin 3, and an engaging part 13 is formed in the inner diameter part 4d of the mold, which is the wall surface of the central hole 1a. The bracket fixing means 12 includes an inserting part 12b having an engaged part 12c and a fixing part 12a for fixing the bracket 8, and the inserting part 12b has a central hole 1a.
The engaged portion 12c is inserted into the engaging portion 1.
3, and the bracket 8 is engaged by the fixing part 12a.
is fixed to the stator 4.

この構成により、ブラケツト固定手段を固定子
に押すことによつてブラケツトの固定が行なえ、
組立が簡単にできる。また、従来必要であつたイ
ンサートボルトやインサートナツトなどが不要と
なり、絶縁性を向上できるとともに薄形化を図れ
る。
With this configuration, the bracket can be fixed by pushing the bracket fixing means against the stator,
Easy to assemble. In addition, insert bolts, insert nuts, etc., which were conventionally necessary, are no longer necessary, and insulation can be improved and the thickness can be reduced.

以下、固定子鉄心のスロツト毎の継鉄部に巻線
を施したトロイダル巻線モータに応用した例した
例を実施例として、本発明を詳細を説明する。
Hereinafter, the present invention will be described in detail using an example in which the present invention is applied to a toroidal winding motor in which a yoke for each slot of a stator core is wound.

第3図は本発明の実施例の一部を切欠いた側面
図であり、第4図は第3図のX―X′線による断
面図である。
FIG. 3 is a partially cutaway side view of an embodiment of the present invention, and FIG. 4 is a sectional view taken along line XX' in FIG.

図において固定子鉄心1にはそのスロツト毎の
継鉄部にトロイダル巻線2が巻装されている。回
転子5は、その軸6に軸受7を装着して固定子4
の中央孔1aの内部に配置され、ブラケツト8に
よつて両側から固定子4に回転自在に保持されて
いる。
In the figure, a stator core 1 has toroidal windings 2 wound around the yoke portions of each slot. The rotor 5 has a bearing 7 attached to its shaft 6, and the stator 4
It is arranged inside the central hole 1a of the stator 4, and is rotatably held by the stator 4 from both sides by brackets 8.

ブラケツト8はその両外側よりブラケツト固定
手段12を装着して、軸方向に抜けるのを防止
し、かつブラケツト固定手段12のバネ性により
固定子4のインロー部端面4cに押しつけられ、
軸6との直角度を保つている。
The bracket 8 is fitted with bracket fixing means 12 from both outer sides thereof to prevent it from coming off in the axial direction, and is pressed against the end face 4c of the spigot part of the stator 4 by the spring properties of the bracket fixing means 12.
It maintains a perpendicularity with axis 6.

ブラケツト固定手段12はその一例として第5
図の様な形状が考えられる。すなわちブラケツト
8を固定する固定部12aをリング状円板で構成
し、固定子4の中央孔1aのモールド内径部4d
に沿うように挿入する挿入部12bを複数の脚部
で構成し、被係合部12cとして前記脚部の外周
側に爪を設けている。このブラケツト固定手段1
2を、ブラケツト8の外側から、前記挿入部(脚
部)12bと第6図に示すようなブラケツトの外
周部に設けた切欠部8cとが合うように挿入す
る。挿入部(挿入)12bはモールド内径面4c
に沿つて固定子鉄心1側へと挿入されてゆき、モ
ールド内径部4dの固定子鉄心端面とインロー部
端面4cとの間に設けた溝からなる係合部13と
被係合部(爪)12cとが合致(係合)するまで
押し込まれ被係合部(爪)12cが係合部(溝)
13に掛着すると再び抜けることはない。このと
き固定手段12の固定部(リング状面12aの内
側は回転子5を保持する軸6に圧入された軸受7
を保持するブラケツト8の外側面に当接するとと
もにブラケツト8の内側面は固定子4のインロー
部4cの端面に押圧当接するようになされてい
る。
The bracket fixing means 12 is, for example, the fifth bracket fixing means 12.
The shape shown in the figure can be considered. That is, the fixing part 12a for fixing the bracket 8 is formed of a ring-shaped disk, and the mold inner diameter part 4d of the central hole 1a of the stator 4 is
The insertion portion 12b, which is inserted along the radial axis, is composed of a plurality of legs, and claws are provided on the outer circumferential side of the legs as the engaged portions 12c. This bracket fixing means 1
2 is inserted from the outside of the bracket 8 so that the insertion portion (leg portion) 12b and the notch 8c provided on the outer periphery of the bracket as shown in FIG. 6 are aligned. The insertion part (insertion) 12b is the mold inner diameter surface 4c
The engaging portion 13, which is a groove formed between the stator core end surface of the mold inner diameter portion 4d and the spigot portion end surface 4c, and the engaged portion (claw) are inserted into the stator core 1 side along 12c is pushed in until they match (engage), and the engaged part (claw) 12c is the engaged part (groove).
Once it hooks into 13, it will never come out again. At this time, the fixing part of the fixing means 12 (inside the ring-shaped surface 12a is a bearing 7 press-fitted into the shaft 6 that holds the rotor 5).
The inner surface of the bracket 8 is pressed against the end surface of the spigot part 4c of the stator 4.

以上の構成によりモールド固定子4の両端面に
配設したブラケツト8を固定子4に一体的に固定
したものである。
With the above structure, the brackets 8 disposed on both end faces of the molded stator 4 are integrally fixed to the stator 4.

以上の様な構成にすると従来構造に比し次のよ
うな利点を奏する。
The above configuration provides the following advantages over the conventional structure.

(1) ブラケツト固定がワンタツチで行えるため組
立が簡単になり工程が合理化できる。
(1) The bracket can be fixed with one touch, making assembly easy and streamlining the process.

(2) ブラケツト8の外側にはブラケツト固定手段
12の固定部(リング状円板)12aが出るだ
けであるからボルトやナツトに比し、無視でき
る位薄くなり、実質的にモータを薄形に仕上げ
られる。
(2) Since only the fixing part (ring-shaped disc) 12a of the bracket fixing means 12 protrudes from the outside of the bracket 8, it is negligibly thin compared to bolts and nuts, making the motor substantially thinner. It will be finished.

(3) 接着する方法に比し、ブラケツト8の分解取
りはずしが可能になる。
(3) Compared to the adhesive method, the bracket 8 can be disassembled and removed.

(4) インサートボルトやインサートナツトなどモ
ールド時のインサート部品が不要となり、モー
ルド工程の合理化が図れる。
(4) Insert parts such as insert bolts and insert nuts are no longer required during molding, streamlining the molding process.

(5) 前述した第一の方法により、軸受、ブラケツ
ト、軸の間のクリープの発生に対する心配が極
端に少なくなる。
(5) By using the first method described above, there is extremely little concern about creep occurring between the bearing, bracket, and shaft.

(6) インサート部品が不要であり、その分薄く、
又、絶縁などの信頼性も高めた製品が得られ
る。
(6) No insert parts are required, which makes it thinner.
In addition, a product with improved reliability such as insulation can be obtained.

以上述べた如く、本発明は、ブラケツトをブラ
ケツト固定手段と固定子とで固定することによ
り、従来のモールドモータの欠点の一つであつた
ブラケツト固定構造を大巾に改善することができ
るものである。
As described above, the present invention can greatly improve the bracket fixing structure, which was one of the drawbacks of conventional molded motors, by fixing the bracket with the bracket fixing means and the stator. be.

尚、本発明は巻線はトロイダル巻線のものを実
施例として説明したが、それに限らず、ブラケツ
トを有するモールドモータであれば、巻線の方
法、形状に関係なく適用できる事はもちろんの事
である。
Although the present invention has been described as an example in which the winding is a toroidal winding, the present invention is not limited to this, and it is of course applicable to any molded motor having a bracket, regardless of the winding method or shape. It is.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は従来方式のブラケツト取付構造を示す
モールドモータの断面図、第2図は別の従来方式
のブラケツト取付構造を示すモールドモータの断
面図、第3図は本発明の実施例にかかるモールド
モータの側面図、第4図は第3図のX―X′線に
よる断面図、第5図は本発明にかかるブラケツト
固定手段の斜視図、第6図は本発明にかかるブラ
ケツトの斜視図である。 1……固定子鉄心、1a……中央孔、2……巻
線、3……モールド樹脂、4……固定子、4d…
…モールド内径部、5……回転子、8……ブラケ
ツト、12……ブラケツト固定手段、12a……
固定部(リング状円板)、12b……挿入部(脚
部)、12c……被係合部(爪)、13……係合部
(溝)。
FIG. 1 is a cross-sectional view of a molded motor showing a conventional bracket mounting structure, FIG. 2 is a cross-sectional view of a molded motor showing another conventional bracket mounting structure, and FIG. 3 is a molded motor according to an embodiment of the present invention. FIG. 4 is a side view of the motor, FIG. 4 is a sectional view taken along line X-X' in FIG. 3, FIG. 5 is a perspective view of the bracket fixing means according to the present invention, and FIG. 6 is a perspective view of the bracket according to the present invention. be. DESCRIPTION OF SYMBOLS 1...Stator core, 1a...Central hole, 2...Winding, 3...Mold resin, 4...Stator, 4d...
...Mold inner diameter part, 5...Rotor, 8...Bracket, 12...Bracket fixing means, 12a...
Fixing part (ring-shaped disc), 12b...insertion part (leg part), 12c...engaged part (claw), 13...engaging part (groove).

Claims (1)

【特許請求の範囲】 1 固定子4と、ブラケツト8と、ブラケツト固
定手段12を備え、前記固定子4は、回転子5が
配置されるべき中央孔1aが固定子鉄心1の中央
に形成され、固定子鉄心1と巻線2がモールド樹
脂3により一体的にモールドされたものであり、
かつ中央孔1aの壁面であるモールド内径部4d
には係合部13が形成されており、前記ブラケツ
ト固定手段12は、被係合部12cを有する挿入
部12bと、ブラケツト8を固定する固定部12
aを具備し、前記挿入部12bは中央孔1aに挿
入されるとともに被係合部12cは係合部13に
係合され、固定部12aによりブラケツト8を固
定子4に固定したモールドモータ。 2 固定部12aは、ブラケツト8の外側に当接
するリング状円板からなり、挿入部12bは前記
リング状円板の外周に設けた複数の脚部からな
り、被係合部12cは係合部13に係合する爪か
らなる特許請求の範囲第1項記載のモールドモー
タ。
[Scope of Claims] 1. A stator 4, a bracket 8, and a bracket fixing means 12 are provided. , stator core 1 and winding 2 are integrally molded with mold resin 3,
and the mold inner diameter portion 4d which is the wall surface of the central hole 1a.
An engaging portion 13 is formed in the bracket fixing means 12, and the bracket fixing means 12 includes an insertion portion 12b having an engaged portion 12c and a fixing portion 12 for fixing the bracket 8.
a, the inserting part 12b is inserted into the central hole 1a, the engaged part 12c is engaged with the engaging part 13, and the bracket 8 is fixed to the stator 4 by the fixing part 12a. 2. The fixing part 12a is made up of a ring-shaped disc that comes into contact with the outside of the bracket 8, the insertion part 12b is made up of a plurality of legs provided on the outer periphery of the ring-shaped disc, and the engaged part 12c is an engaging part. The molded motor according to claim 1, comprising a pawl that engages with the molded motor.
JP57118953A 1982-07-07 1982-07-07 molded motor Granted JPS5910151A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57118953A JPS5910151A (en) 1982-07-07 1982-07-07 molded motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57118953A JPS5910151A (en) 1982-07-07 1982-07-07 molded motor

Publications (2)

Publication Number Publication Date
JPS5910151A JPS5910151A (en) 1984-01-19
JPH0158742B2 true JPH0158742B2 (en) 1989-12-13

Family

ID=14749343

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57118953A Granted JPS5910151A (en) 1982-07-07 1982-07-07 molded motor

Country Status (1)

Country Link
JP (1) JPS5910151A (en)

Also Published As

Publication number Publication date
JPS5910151A (en) 1984-01-19

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