JPH11275829A - Electric motor and its manufacture - Google Patents
Electric motor and its manufactureInfo
- Publication number
- JPH11275829A JPH11275829A JP7717798A JP7717798A JPH11275829A JP H11275829 A JPH11275829 A JP H11275829A JP 7717798 A JP7717798 A JP 7717798A JP 7717798 A JP7717798 A JP 7717798A JP H11275829 A JPH11275829 A JP H11275829A
- Authority
- JP
- Japan
- Prior art keywords
- iron core
- stator
- core
- electric motor
- outer diameter
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 49
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- 238000004804 winding Methods 0.000 claims abstract description 11
- 238000010030 laminating Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- 238000000465 moulding Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Landscapes
- Manufacture Of Motors, Generators (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、電動機における
鉄芯の耐湿性の改善に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in the moisture resistance of an iron core in an electric motor.
【０００２】[0002]
【従来の技術】図３は、例えば、実開昭５７−２７７４
２号に示された従来の電動機である。ここで、１は回転
子鉄芯、２は固定子鉄芯、３は固定子鉄芯２に巻かれた
巻線、４は固定子鉄芯２及び巻線３を一体にモールドし
た樹脂、５は回転子鉄芯１及び回転軸６を支持する軸受
である。このような従来の電動機において、固定子鉄芯
２の耐湿性保護は、固定子鉄芯２の外径部と樹脂４を一
体成形して固定子鉄芯２の外径部に形成した被覆９を用
いて行っている。2. Description of the Related Art FIG.
2 is a conventional motor shown in FIG. Here, 1 is a rotor core, 2 is a stator core, 3 is a winding wound around the stator core 2, 4 is a resin obtained by integrally molding the stator core 2 and the winding 3, and 5 Is a bearing that supports the rotor core 1 and the rotating shaft 6. In such a conventional electric motor, the moisture resistance of the stator core 2 is protected by a coating 9 formed on the outer diameter of the stator core 2 by integrally molding the outer diameter of the stator core 2 and the resin 4. It is performed using.
【０００３】なお、実開平４−８０２４７号には、回転
子を構成する永久磁石の外周にバインド線を巻き付け、
さらに熱収縮性チューブを被せる発明が記載されてい
る。しかしながら、その熱収縮性チューブは、永久磁石
の補強用に巻かれたバインド線の位置ずれ防止および打
撃等に対する保護のために使用されているにすぎない。In Japanese Utility Model Laid-Open No. 4-80247, a bind wire is wound around the outer periphery of a permanent magnet constituting a rotor.
Further, an invention for covering a heat-shrinkable tube is described. However, the heat-shrinkable tube is only used to prevent displacement of a binding wire wound for reinforcing a permanent magnet and to protect the binding wire against impact and the like.
【０００４】[0004]
【発明が解決しようとする課題】従来の電動機は以上の
ように、固定子鉄芯及び巻線をモールドする樹脂によっ
て鉄芯外径部をも一体に被覆成形しているため、時間と
共に被覆のはがれや割れ等が発生しやすく、その場合に
は耐湿性保護の機能が失われてしまうという問題があっ
た。As described above, in the conventional electric motor, the outer diameter portion of the iron core is integrally formed with the resin for molding the stator iron core and the windings, so that the coating of the coating is performed with time. Peeling, cracking, and the like are likely to occur, in which case there is a problem that the function of moisture resistance protection is lost.
【０００５】この発明は、上記のような問題を解決する
ためになされたもので、鉄芯の耐湿性を安定して確保で
きる電動機を得ることを目的とする。[0005] The present invention has been made to solve the above problems, and has as its object to provide an electric motor capable of stably ensuring the moisture resistance of an iron core.
【０００６】[0006]
【課題を解決するための手段】この発明に係る電動機
は、複数の鉄芯を積層してなる溝を有する固定子鉄芯及
びそこに巻かれる巻線と、前記固定子鉄芯の内側又は外
側に複数の鉄芯を積層してなる溝を有する回転子鉄芯と
を備えた電動機において、前記固定子鉄芯の外径部と前
記回転子鉄芯の外径部の双方または何れかに、耐湿性保
護部材をこれらの外径部と一体成形することなしに取り
付けたものである。An electric motor according to the present invention has a stator iron core having a groove formed by laminating a plurality of iron cores, a winding wound therearound, and an inside or outside of the stator iron core. In a motor having a rotor core having a groove formed by laminating a plurality of iron cores, in either or any of the outer diameter portion of the stator iron core and the outer diameter portion of the rotor iron core, A moisture-resistant protective member is attached without being integrally formed with these outer diameter portions.
【０００７】また、前記耐湿性保護部材を熱収縮性チュ
ーブとし、該熱収縮性チューブを前記鉄芯外径部に被せ
たものである。Further, the moisture-resistant protective member is a heat-shrinkable tube, and the heat-shrinkable tube is covered on the outer diameter of the iron core.
【０００８】また、前記耐湿性保護部材を位置決め用の
フックを備えたプラスチック部材で構成したものであ
る。Further, the moisture-resistant protective member is formed of a plastic member having a positioning hook.
【０００９】さらに、この発明に係る電動機の製造方法
は、複数の鉄心を積層してなる溝を有する固定子鉄芯及
びそこに巻かれる巻線と、前記固定子鉄芯の内側又は外
側に複数の鉄芯を積層してなる溝を有する回転子鉄芯と
を備えた電動機の製造方法において、前記固定子鉄芯の
外径部と前記回転子鉄芯の外径部の双方または何れか
に、耐湿性保護部材をこれらの外径部と一体成形するこ
となしに取り付ける方法である。Further, according to the present invention, there is provided a method of manufacturing a motor, comprising: a stator core having a groove formed by laminating a plurality of iron cores, a winding wound therearound, and a plurality of stator cores inside or outside the stator core. A rotor iron core having a groove formed by laminating iron cores, wherein the outer diameter portion of the stator iron core and / or the outer diameter portion of the rotor iron core are provided. In this method, the moisture-resistant protective member is attached without being integrally formed with these outer diameter portions.
【００１０】[0010]
【発明の実施の形態】実施の形態１．図１はこの発明の
実施の形態１を示す側断面図である。図１において、１
は回転子鉄芯、２は回転子鉄芯１の内側に配置された固
定子鉄芯、３は固定子鉄芯２に巻かれる巻線、４は固定
子鉄芯２及び巻線３を一体に成形（モールド）する樹
脂、５は回転子鉄芯１及び回転軸６を支持する軸受であ
る。１０は回転子鉄芯１及び固定子鉄芯２の外径部に被
せた耐湿性保護のための熱収縮性チューブで、鉄芯外径
部に装着した後、熱を加えて鉄芯外径部に密着させたも
のである。この熱収縮性チューブ１０から明らかなよう
に、耐湿性保護部材は鉄芯の外径部と樹脂などにより一
体成形されたものではなく、電動機の独立した構成要素
となる別部材を使って鉄芯に密着させたものである。な
お、耐湿性保護部材の取り付け時には、回転子鉄芯１や
固定子鉄芯２に関連してなされる樹脂成形が終了してい
るのが望ましい。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 FIG. 1 is a side sectional view showing Embodiment 1 of the present invention. In FIG. 1, 1
Is a rotor core, 2 is a stator core arranged inside the rotor core 1, 3 is a winding wound around the stator core 2, 4 is a stator core 2 and a winding 3 integrated. A resin 5 is a bearing for supporting the rotor iron core 1 and the rotating shaft 6. Reference numeral 10 denotes a heat-shrinkable tube covering the outer diameters of the rotor core 1 and the stator iron core 2 for protection against moisture resistance. It is adhered to the part. As is apparent from the heat-shrinkable tube 10, the moisture-resistant protective member is not formed integrally with the outer diameter portion of the iron core by resin or the like. It is adhered to. At the time of attaching the moisture-resistant protective member, it is desirable that resin molding performed in relation to the rotor core 1 and the stator core 2 has been completed.
【００１１】実施の形態２．図２はこの発明の実施の形
態２を示す側断面図である。図１と同一符号は同一物を
表している。ここでは、実施の形態１の熱収縮性チュー
ブとしてプラスッチク部材１１を使用し、あるいは熱収
縮性チューブに代えて別のプラスッチク部材１１を使用
し、さらに、このプラスチック部材１１に位置決め用の
フック１１ａを形成したものである。このフック１１ａ
は、鉄芯自体あるいはモールド樹脂のいずれにフックさ
れるようにしてもよい。Embodiment 2 FIG. 2 is a side sectional view showing Embodiment 2 of the present invention. 1 denote the same items. Here, the plastic member 11 is used as the heat-shrinkable tube of the first embodiment, or another plastic member 11 is used in place of the heat-shrinkable tube. Further, a positioning hook 11a is provided on the plastic member 11. It is formed. This hook 11a
May be hooked to either the iron core itself or the mold resin.
【００１２】なお、図１及び図２においては、回転子鉄
芯が固定子鉄芯の外側にある例を示したが、本発明は、
回転子鉄芯が固定子鉄芯の内側にある場合にも、また、
回転子鉄芯または固定子鉄芯の何れか一方だけに耐湿性
保護部材を被せる場合にも適用できるものである。Although FIGS. 1 and 2 show an example in which the rotor core is outside the stator core, the present invention
If the rotor core is inside the stator core,
The present invention is also applicable to a case where only one of the rotor core and the stator core is covered with the moisture-resistant protective member.
【００１３】[0013]
【発明の効果】以上説明したように、この発明の請求項
１によれば、耐湿性保護部材を鉄芯の外径部と一体成形
することなしに鉄芯外径部に取り付けたことにより、長
期にわたり鉄芯の安定した耐湿性を保持することができ
る。As described above, according to the first aspect of the present invention, the moisture-resistant protective member is attached to the outer diameter portion of the iron core without being integrally formed with the outer diameter portion of the iron core. The stable moisture resistance of the iron core can be maintained for a long time.
【００１４】また、この発明の請求項２によれば、耐湿
性保護部材として熱収縮性チューブを用いることで、耐
湿性保護部材を低コストかつ極めて容易な方法により鉄
芯の外径部に取り付けることができる。According to the second aspect of the present invention, by using a heat-shrinkable tube as the moisture-resistant protective member, the moisture-resistant protective member is attached to the outer diameter portion of the iron core by a low cost and extremely easy method. be able to.
【００１５】また、この発明の請求項３によれば、耐湿
性保護部材として位置決め用のフックを備えたプラスチ
ック部材を使うことで、耐湿性保護部材を低コストかつ
容易に鉄芯の外径部に取り付けることができる。According to the third aspect of the present invention, by using a plastic member having a positioning hook as the moisture-resistant protective member, the moisture-resistant protective member can be easily manufactured at low cost and at the outer diameter of the iron core. Can be attached to
【００１６】さらに、この発明の請求項４によれば、耐
湿性保護部材を鉄芯の外径部と一体成形することなしに
鉄芯外径部に取り付けることにより、長期にわたって安
定した鉄芯耐湿性を有する電動機を得ることができる。Further, according to the fourth aspect of the present invention, the moisture-resistant protective member is attached to the outer diameter portion of the iron core without being integrally formed with the outer diameter portion of the iron core. It is possible to obtain an electric motor having a property.
【図１】 この発明の実施の形態１を示す側断面図であ
る。FIG. 1 is a side sectional view showing a first embodiment of the present invention.
【図２】 この発明の実施の形態２を示す側断面図であ
る。FIG. 2 is a side sectional view showing Embodiment 2 of the present invention.
【図３】 従来の電動機に係る側断面図である。FIG. 3 is a side sectional view of a conventional electric motor.
１ 回転子鉄芯、２ 固定子鉄芯、３ 巻線、４ 樹
脂、５ 軸受、６ 回転軸、１０ 熱収縮性チューブ、
１１ プラスチック部材、１１ａ フック。1 rotor core, 2 stator core, 3 winding, 4 resin, 5 bearing, 6 rotating shaft, 10 heat shrinkable tube,
11 plastic member, 11a hook.
フロントページの続き (72)発明者 荒井 武司 東京都千代田区丸の内二丁目２番３号 三 菱電機株式会社内 (72)発明者 木枝 鋼希 東京都千代田区丸の内二丁目２番３号 三 菱電機株式会社内 (72)発明者 坪内 剛史 東京都千代田区丸の内二丁目２番３号 三 菱電機株式会社内Continuing on the front page (72) Inventor Takeshi Arai 2-3-2 Marunouchi, Chiyoda-ku, Tokyo Mitsubishi Electric Corporation (72) Inventor Kouki Kieda 2-3-2 Marunouchi, Chiyoda-ku, Tokyo Inside Electric Co., Ltd. (72) Inventor Takeshi Tsubouchi 2-3-2 Marunouchi, Chiyoda-ku, Tokyo Mitsubishi Electric Co., Ltd.
Claims (4)
定子鉄芯及びそこに巻かれる巻線と、前記固定子鉄芯の
内側又は外側に複数の鉄芯を積層してなる溝を有する回
転子鉄芯とを備えた電動機において、 前記固定子鉄芯の外径部と前記回転子鉄芯の外径部の双
方または何れかに、耐湿性保護部材をこれらの外径部と
一体成形することなしに取り付けたことを特徴とする電
動機。1. A stator iron core having a groove formed by laminating a plurality of iron cores, a winding wound therearound, and a groove formed by laminating a plurality of iron cores inside or outside the stator iron core. A rotor iron core having the outer diameter portion of the stator iron core and / or the outer diameter portion of the rotor iron core; An electric motor characterized by being mounted without being integrally molded.
とし、該熱収縮性チューブを前記鉄芯外径部に被せたこ
とを特徴とする請求項１記載の電動機。2. The electric motor according to claim 1, wherein the moisture-resistant protective member is a heat-shrinkable tube, and the heat-shrinkable tube is covered on the outer diameter of the iron core.
クを備えたプラスチック部材で構成したことを特徴とす
る請求項１または２記載の電動機。3. The electric motor according to claim 1, wherein the moisture-resistant protective member is formed of a plastic member having a positioning hook.
定子鉄芯及びそこに巻かれる巻線と、前記固定子鉄芯の
内側又は外側に複数の鉄芯を積層してなる溝を有する回
転子鉄芯とを備えた電動機の製造方法において、 前記固定子鉄芯の外径部と前記回転子鉄芯の外径部の双
方または何れかに、耐湿性保護部材をこれらの外径部と
一体成形することなしに取り付けることを特徴とする電
動機の製造方法。4. A stator core having a groove formed by laminating a plurality of iron cores, a winding wound therearound, and a groove formed by laminating a plurality of iron cores inside or outside the stator core. A method of manufacturing a motor having a rotor iron core having the outer diameter portion of the stator iron core and / or the outer diameter portion of the rotor iron core. A method for manufacturing an electric motor, wherein the electric motor is attached without being integrally formed with a part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7717798A JPH11275829A (en) | 1998-03-25 | 1998-03-25 | Electric motor and its manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7717798A JPH11275829A (en) | 1998-03-25 | 1998-03-25 | Electric motor and its manufacture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11275829A true JPH11275829A (en) | 1999-10-08 |
Family
ID=13626533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7717798A Pending JPH11275829A (en) | 1998-03-25 | 1998-03-25 | Electric motor and its manufacture |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11275829A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008178256A (en) * | 2007-01-19 | 2008-07-31 | Toyota Motor Corp | Stator, manufacturing method thereof and motor |
-
1998
- 1998-03-25 JP JP7717798A patent/JPH11275829A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008178256A (en) * | 2007-01-19 | 2008-07-31 | Toyota Motor Corp | Stator, manufacturing method thereof and motor |
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