JP3216238B2 - Mold motor - Google Patents

Mold motor

Info

Publication number
JP3216238B2
JP3216238B2 JP16730292A JP16730292A JP3216238B2 JP 3216238 B2 JP3216238 B2 JP 3216238B2 JP 16730292 A JP16730292 A JP 16730292A JP 16730292 A JP16730292 A JP 16730292A JP 3216238 B2 JP3216238 B2 JP 3216238B2
Authority
JP
Japan
Prior art keywords
resin
stator
bracket
insulator
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.)
Expired - Lifetime
Application number
JP16730292A
Other languages
Japanese (ja)
Other versions
JPH0614504A (en
Inventor
昌彦 森崎
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 Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
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 Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to JP16730292A priority Critical patent/JP3216238B2/en
Publication of JPH0614504A publication Critical patent/JPH0614504A/en
Application granted granted Critical
Publication of JP3216238B2 publication Critical patent/JP3216238B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は、ステータを樹脂でモー
ルドしたモールドモータに関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a molded motor in which a stator is molded with a resin.

【0002】[0002]

【従来の技術】従来のモールドモータは図2に示すよう
な構造が一般的である。以下その構成を図2に基づいて
説明する。1はステータコア、2はステータコイル、3
はステータを覆う樹脂、4は軸受ハウジングを有したブ
ラケット、5は軸受、6はロータ、7はシャフトであ
る。以上の構成においてシャフト7にロータ6と軸受5
が固着されたロータ完成品が、ステータコイル2に通電
することによってステータコア1と所定のギャップを有
した状態で回転するようになっている。
2. Description of the Related Art A conventional molded motor generally has a structure as shown in FIG. The configuration will be described below with reference to FIG. 1 is a stator core, 2 is a stator coil, 3
Is a resin covering the stator, 4 is a bracket having a bearing housing, 5 is a bearing, 6 is a rotor, and 7 is a shaft. In the above configuration, the rotor 6 and the bearing 5 are attached to the shaft 7.
When the stator coil 2 is energized, the rotor finished product to which is fixed has a predetermined gap with the stator core 1 and rotates.

【0003】さらにステータを樹脂3でモールドする
際、樹脂3の圧力によりステータコイル2がブラケット
4の圧入部近傍に押しやられ、ときにはステータコイル
2がモールド内径に露出するなどして耐圧などの電気不
良となることがあり、これを防止するため図3に示すよ
うにコイルエンド20に樹脂で成形されたインシュレー
タ8をかぶせている。
Further, when the stator is molded with the resin 3, the pressure of the resin 3 pushes the stator coil 2 to the vicinity of the press-fit portion of the bracket 4, and sometimes the stator coil 2 is exposed to the inner diameter of the mold to cause electrical failure such as withstand voltage. In order to prevent this, as shown in FIG. 3, the coil end 20 is covered with an insulator 8 made of resin.

【0004】[0004]

【発明が解決しようとする課題】しかしこのような従来
のモータ構成では、耐圧不良は防止できるものの、樹脂
3の圧力によりインシュレータ8ごとステータコイル2
がブラケット4の圧入部近傍に押しやられるため、この
圧入部近傍の樹脂3の肉厚が均一でなくなり、ときには
インシュレータ8の内径部のかなりの面積がモールド内
径に露出するので、圧入されているブラケット4の抜け
強度が極端に低下するという課題を有していた。
However, in such a conventional motor configuration, although the withstand voltage failure can be prevented, the stator coil 2 and the insulator 8 are caused by the pressure of the resin 3.
Is pressed into the vicinity of the press-fitted portion of the bracket 4, the thickness of the resin 3 in the vicinity of the press-fitted portion becomes uneven, and sometimes a considerable area of the inner diameter of the insulator 8 is exposed to the inner diameter of the mold. 4 had a problem that the pullout strength was extremely reduced.

【0005】本発明は上記課題を解決するもので、耐圧
などの電気不良を防止し、かつブラケットの抜け強度の
安定を図ったモールドモータを提供することを目的とす
る。
An object of the present invention is to solve the above-mentioned problems, and an object of the present invention is to provide a molded motor which prevents an electrical failure such as a withstand voltage and stabilizes a bracket withdrawal strength.

【0006】[0006]

【課題を解決するための手段】上記目的を達成するため
に本発明のモールドモータは、インシュレータの内径に
均等間隔に凸部を設けステータコアを樹脂でモールドす
る際、金型の中芯でコイル位置を規制する構成にしたも
のである。
In order to achieve the above object, a molded motor according to the present invention is provided with convex portions provided at equal intervals on an inner diameter of an insulator, and when a stator core is molded with resin, a coil position is set at a center of a mold. Is regulated.

【0007】[0007]

【作用】本発明は上記した構成により、樹脂モールドの
際コイルエンドの位置が規制されることにより圧入部の
樹脂の肉厚を均等にすることができ、耐圧不良を防止す
るとともにブラケットの抜け強度も充分確保できる。
According to the present invention, the position of the coil end in the resin molding is regulated by the above-described structure, so that the thickness of the resin in the press-fitted portion can be made uniform, thereby preventing the withstand pressure defect and the strength of the bracket coming off. Can also be secured.

【0008】[0008]

【実施例】以下、本発明の一実施例のモールドモータに
ついて図1を参照しながら説明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A molded motor according to an embodiment of the present invention will be described below with reference to FIG.

【0009】図1(a)において、コイルエンドの絶縁
を目的とするインシュレータ8の内径に均等間隔で凸部
9が配されている。
In FIG. 1A, convex portions 9 are arranged at equal intervals on the inner diameter of an insulator 8 for the purpose of insulating a coil end.

【0010】図1(b)はステータコア1、ステータコ
イル2および端子部(図示していない)からなるステー
タのコイルエンド20に、図1(a)の内径に凸部9を
配したインシュレータ8をかぶせモールド金型に設置し
た図であり、10はモールド金型の上型、11は同じく
下型、12は同じく中芯である。
FIG. 1B shows an insulator 8 in which a projection 9 is disposed on the inner diameter of FIG. 1A at a coil end 20 of the stator comprising the stator core 1, the stator coil 2 and a terminal (not shown). It is a figure installed in a cover mold, and 10 is an upper mold of a mold, 11 is a lower mold, and 12 is a center.

【0011】この際、図1(b)に示すようにコイルエ
ンドは中芯12の外径とインシュレータ8の内径に均等
に配された凸部9により規制され、この状態で樹脂でモ
ールドしても樹脂の圧力によりステータコイル2がブラ
ケット圧入部(図3参照)に動くことはほとんどなくな
る。
At this time, as shown in FIG. 1 (b), the coil end is regulated by convex portions 9 which are uniformly arranged on the outer diameter of the core 12 and the inner diameter of the insulator 8, and molded with resin in this state. Also, the stator coil 2 hardly moves to the bracket press-fitting portion (see FIG. 3) due to the pressure of the resin.

【0012】このように本発明の実施例のモールドモー
タの構成によれば、ブラケット圧入部の樹脂の肉厚を均
等にすることができ、耐圧などの電気不良を防止すると
ともにブラケットの抜け強度も充分確保できる。
As described above, according to the configuration of the molded motor of the embodiment of the present invention, the thickness of the resin in the bracket press-fitting portion can be made uniform, thereby preventing an electrical failure such as a withstand voltage and also improving the strength of the bracket to be removed. We can secure enough.

【0013】[0013]

【発明の効果】以上の実施例の説明から明らかなように
本発明のモールドモータによれば、樹脂モールドの際コ
イルエンドの位置が規制されることによりブラケット圧
入部の樹脂の肉厚を均等にすることができ、耐圧などの
電気不良を防止するとともにブラケットの抜け強度も充
分確保できる。
As is apparent from the above description of the embodiment, according to the molded motor of the present invention, the position of the coil end is regulated during the resin molding, so that the thickness of the resin at the bracket press-fitting portion can be made uniform. It is possible to prevent electrical failures such as pressure resistance and to secure sufficient strength of the bracket to come off.

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

【図1】(a)本発明の一実施例のモールドモータに用
いるインシュレータの構成を示す斜視図 (b)同インシュレータを装着したステータをモールド
金型に設置した状態を示す断面図
FIG. 1A is a perspective view showing a configuration of an insulator used in a molded motor according to an embodiment of the present invention. FIG. 1B is a cross-sectional view showing a state in which a stator equipped with the insulator is installed in a mold.

【図2】従来のモールドモータの構成を示す半截断面図FIG. 2 is a half sectional view showing a configuration of a conventional molded motor.

【図3】従来のモールドモータの構成を示す半截断面図FIG. 3 is a half sectional view showing a configuration of a conventional molded motor.

【符号の説明】[Explanation of symbols]

1 ステータコア 2 ステータコイル 3 樹脂 8 インシュレータ 9 凸部 20 コイルエンド DESCRIPTION OF SYMBOLS 1 Stator core 2 Stator coil 3 Resin 8 Insulator 9 Convex part 20 Coil end

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】ステータコイルおよびその端子部を含むス
テータ全体を樹脂でモールドしたステータ完成品にロー
タ完成品を挿入し、反負荷側よりブラケットを圧入して
構成されるモールドモータにおいて、ステータを樹脂で
モールドする際、内径に均等に凸部を設けた形状の樹脂
で成形されたインシュレータを反負荷側のコイルエンド
にかぶせたモールドモータ。
1. A molded motor comprising a stator completed by inserting a completed rotor into a completed stator including a stator coil and its terminal portion with a resin, and press-fitting a bracket from a non-load side. A mold motor in which an insulator formed of resin having a shape in which a convex portion is provided evenly on the inner diameter is placed over the coil end on the non-load side when molding with.
JP16730292A 1992-06-25 1992-06-25 Mold motor Expired - Lifetime JP3216238B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16730292A JP3216238B2 (en) 1992-06-25 1992-06-25 Mold motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16730292A JP3216238B2 (en) 1992-06-25 1992-06-25 Mold motor

Publications (2)

Publication Number Publication Date
JPH0614504A JPH0614504A (en) 1994-01-21
JP3216238B2 true JP3216238B2 (en) 2001-10-09

Family

ID=15847238

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16730292A Expired - Lifetime JP3216238B2 (en) 1992-06-25 1992-06-25 Mold motor

Country Status (1)

Country Link
JP (1) JP3216238B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960019907A (en) * 1994-11-28 1996-06-17 이헌조 Stator core of motor
WO2013046786A1 (en) * 2011-09-30 2013-04-04 三洋電機株式会社 Mold motor and moving body equipped with same

Also Published As

Publication number Publication date
JPH0614504A (en) 1994-01-21

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