JPH03203556A - Stator of motor - Google Patents
Stator of motorInfo
- Publication number
- JPH03203556A JPH03203556A JP34160589A JP34160589A JPH03203556A JP H03203556 A JPH03203556 A JP H03203556A JP 34160589 A JP34160589 A JP 34160589A JP 34160589 A JP34160589 A JP 34160589A JP H03203556 A JPH03203556 A JP H03203556A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic pole
- inner ring
- stator
- outer ring
- ring magnetic
- 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.)
- Granted
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 4
- 238000010030 laminating Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、外輪ヨーク部と内輪磁極部とに分割されて
なる電動機の固定子に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a stator for an electric motor that is divided into an outer ring yoke portion and an inner ring magnetic pole portion.
第６図〜第８図は例えば特開昭６３−２９９７３９号公
報に示された従来の電動機の固定子を示す断面図であり
、図において（１）は固定子、（２）はこの固定子の外
輪部を形成する外輪ヨーク部で、内壁に複数個の凹部（
３）を有する。（４）はこの外輪ヨーク部に嵌合される
内輪磁極部で、複数の磁極片（５１が内側となる一端に
て連結部（５ａ）を介して連結されてなる。6 to 8 are cross-sectional views showing the stator of a conventional electric motor disclosed in, for example, Japanese Patent Application Laid-open No. 63-299739. In the figures, (1) is the stator, and (2) is the stator. The outer ring yoke part that forms the outer ring part of the inner wall has multiple recesses (
3). (4) is an inner ring magnetic pole part which is fitted into this outer ring yoke part, and is formed by connecting a plurality of magnetic pole pieces (51 at one end thereof on the inner side via a connecting part (5a)).
（６）はこの内輪磁極部の磁極片（５）の他端に位置す
る嵌合部で、上記凹部（３）に嵌合される。（７）は上
記固定子（１）上に装着される端子台、（８）はこの端
子台に接続されるケーブルである。(6) is a fitting portion located at the other end of the magnetic pole piece (5) of this inner ring magnetic pole portion, and is fitted into the recess (3). (7) is a terminal block mounted on the stator (1), and (8) is a cable connected to this terminal block.
従来の電動機の固定子は上記のように構成され、外輪ヨ
ーク部、（２）の凹部（３）に図示されないコイルが巻
回された内輪磁極部（４）の嵌合部（６）が圧入により
嵌合され、固定子（１）が形成される。次に、端子台（
７）が固定子（１）に装着され、ケーブル（８）が端子
台（７）に接続された後、図示されない電動機の外筐内
に組み込まれる。The stator of a conventional electric motor is constructed as described above, and the fitting part (6) of the inner ring magnetic pole part (4), around which a coil (not shown) is wound, is press-fitted into the recess (3) of the outer ring yoke part (2). are fitted to form a stator (1). Next, install the terminal block (
7) is attached to the stator (1), and the cable (8) is connected to the terminal block (7), after which it is assembled into the outer casing of a motor (not shown).
上記のような従来の電動機の固定子では、外輪ヨーク部
（２１の凹部（３）にコイルが巻回された内輪磁極部４
）の磁極片（５１が嵌合され固定子（１）を形成してい
るか、外輪ヨーク部＋２１と内輪磁極部（４）とを図示
されない抜き型を用いて鉄心より打ち抜いて作成する場
合において、第７図および第８図に示すように抜き型の
クリアランス分がそれぞれ内輪磁極部（４）におけるＬ
部は大きく、外輪ヨーク部（２１におけるＲ部は小さく
打ち抜かれた形状となる。例えば、抜き型のクリアラン
スを１０μｍとすると、内輪磁極部（４）のＬ部は外輪
ヨーク部（２）のＲ部に対し１０μｍＸ２＝２０μｍ大
きくなって打ち抜かれる。In the stator of the conventional electric motor as described above, the inner ring magnetic pole part 4 has a coil wound around the recess (3) of the outer ring yoke part (21).
) are fitted to form the stator (1), or when the outer ring yoke part +21 and the inner ring magnetic pole part (4) are punched out from the iron core using a cutting die (not shown), As shown in Figures 7 and 8, the clearance of the cutting die is L at the inner ring magnetic pole part (4).
The outer ring yoke part (21) has a large R part, and the R part in the outer ring yoke part (21) has a small punched shape. For example, if the clearance of the cutting die is 10 μm, the L part of the inner ring magnetic pole part (4) is the R part of the outer ring yoke part (2). 10μm×2=20μm larger than the original part.
そして、内輪磁極部（４）に外輪ヨーク部（２１に嵌合
すると外輪ヨーク部（２）と内輪磁極部ｉｌｌとの重合
部分が２０μｍとなり、嵌合後において内輪磁極部（４
）の外径および内径の変形が生じ内径真円度が確保でき
なく、連結部（５ａ）が細い場合は特に内径の変形が大
きくなり、電動機の効率、騒音、振動等の特性か悪くな
るという課題があった。Then, when the inner ring magnetic pole part (4) is fitted to the outer ring yoke part (21), the overlapping part between the outer ring yoke part (2) and the inner ring magnetic pole part ill becomes 20 μm, and after fitting, the inner ring magnetic pole part (4
) deformation of the outer and inner diameters, making it impossible to ensure the roundness of the inner diameter, and when the connecting part (5a) is thin, the deformation of the inner diameter becomes particularly large, deteriorating the motor's efficiency, noise, vibration, and other characteristics. There was an issue.
この発明は係る課題を解決するためになされたもので、
固定子形成時に内輪磁極部の変形か生しることなく内径
真円度が確保され、電気特性を安定させる電動機を得る
ことを目的とするものである。This invention was made to solve the problem,
The object of the present invention is to obtain a motor in which the roundness of the inner diameter is ensured without causing deformation of the inner ring magnetic pole portion during the formation of the stator, and the electrical characteristics are stabilized.
この発明に係る電動機の固定子は、外輪部を形成する外
輪ヨーク部と、この外輪ヨーク部内壁に設けられた嵌合
凹部と、この嵌合凹部に嵌着される嵌合部を一端に有す
る磁極片と、この磁極片を上記嵌合部を外側にして極数
のみ円状に配設し、内側にて連結部を介して連結されて
なる内輪磁極部とを備え、上記内輪磁極部の内径を複数
の平面を有する円形状に形成したものである。A stator for an electric motor according to the present invention has an outer ring yoke portion forming an outer ring portion, a fitting recess provided in the inner wall of the outer ring yoke portion, and a fitting portion fitted into the fitting recess at one end. It comprises a magnetic pole piece, and an inner ring magnetic pole part in which the magnetic pole pieces are arranged in a circle with only the number of poles with the fitting part on the outside, and are connected on the inside via a connecting part, and the inner ring magnetic pole part is The inner diameter is formed into a circular shape having a plurality of planes.
この発明においては、外輪部を形成する外輪ヨーク部と
、この外輪ヨーク部内壁に設けられた嵌合凹部と、この
嵌合凹部に嵌着される嵌合部を一端に有する磁極片と、
この磁極片を上記嵌合部を外側にして極数のみ円状に配
設し、内側にて連結部を介して連結されてなる内輪磁極
部とを備え、上記内輪磁極部の内径を複数の平面を有す
る円形状に形成したことより、外輪ヨーク部に内輪磁極
部が結合された時発生する内輪磁極部の変形が内輪磁極
部の内径に加えられる。In this invention, an outer ring yoke portion forming an outer ring portion, a fitting recess provided in the inner wall of the outer ring yoke portion, and a magnetic pole piece having a fitting portion fitted in the fitting recess at one end,
The magnetic pole pieces are arranged in a circle with only the number of poles facing outward, and have an inner ring magnetic pole part connected via a connecting part on the inside, and the inner diameter of the inner ring magnetic pole part is Since it is formed into a circular shape with a plane, the deformation of the inner ring magnetic pole part that occurs when the inner ring magnetic pole part is coupled to the outer ring yoke part is applied to the inner diameter of the inner ring magnetic pole part.
第１図〜第５図はこの発明の一実施例を示す図であり、
図において００）は固定子、（＋１）はこの固定子の外
輪部を形成する外輪ヨーク部で、フープ状に巻回された
電気鋼帯が高速自動プレス（図示せず）により後述され
る内輪磁極部と回転子鉄心（図示せず）とに分割して打
ち抜きされ、同時にかしめにより所定厚さに積層される
。（１２）はこの外輪ヨーク部内径に設けられた嵌合凹
部で、複数個設けられている。〈１３）は内輪磁極部で
、一端に上記嵌合凹部（１２）との嵌合部（１４）を有
する磁極片（１５）がこの嵌合部（１４）を外側として
極数のみ円状にスロット（１６）を有して配設され、内
側にて連結部（１７）を介して連結された形状よりなる
鉄心が複数枚積層されている。（１８）はこの内輪磁極
部の内径で、複数の平面〈１９）を有する円形状よりな
り、例えば第４図および第５図に示すように８スロツト
の内輪磁極部（１３）の場合は２４個の平面（１９）を
有する円にて形成される。FIGS. 1 to 5 are diagrams showing an embodiment of the present invention,
In the figure, 00) is the stator, (+1) is the outer ring yoke that forms the outer ring of the stator, and the electric steel strip wound in a hoop shape is attached to the inner ring that will be described later using a high-speed automatic press (not shown). The magnetic pole portion and the rotor core (not shown) are separated and punched out, and simultaneously laminated to a predetermined thickness by caulking. Reference numeral (12) denotes a plurality of fitting recesses provided on the inner diameter of this outer ring yoke portion. <13) is an inner ring magnetic pole part, and a magnetic pole piece (15) having a fitting part (14) with the fitting recess (12) at one end is arranged in a circular shape with only the number of poles with this fitting part (14) on the outside. A plurality of iron cores are stacked, each having a slot (16) and connected on the inside via a connecting portion (17). (18) is the inner diameter of this inner ring magnetic pole part, which has a circular shape with a plurality of planes (19). For example, in the case of an 8-slot inner ring magnetic pole part (13) as shown in FIGS. It is formed by a circle with planes (19).
上記のように構成された電動機の固定子においては、外
輪ヨーク部（１１）の嵌合凹部（１２）に図示されない
コイルが巻回された内輪磁極部（１３）の嵌合部（１４
）が圧入により嵌合されることにて固定子００）が形成
される。この場合、嵌合にて内輪磁極部（１３）の内径
（１８）側および外径側に発生する変形は内径（１８）
に加わり、内径（１８）が有する平面（１９）形状にて
変形量が調整され、内径（１８）がより真円に近くなる
。In the stator of the electric motor configured as described above, the fitting part (14) of the inner ring magnetic pole part (13) has a coil (not shown) wound around the fitting recess (12) of the outer ring yoke part (11).
) are fitted by press-fitting to form a stator 00). In this case, the deformation that occurs on the inner diameter (18) side and outer diameter side of the inner ring magnetic pole part (13) when mating is the inner diameter (18).
In addition, the amount of deformation is adjusted by the shape of the plane (19) of the inner diameter (18), and the inner diameter (18) becomes closer to a perfect circle.
なお、この発明では内輪磁極部（１３）の平面（１９）
の数を２４平面としたが、実験値よりスロット（１６）
の整数倍の数の平面が最も有効であり、８千面あるいは
１６平面でも上記実施例と同様の効果が得られる。。In addition, in this invention, the plane (19) of the inner ring magnetic pole part (13)
The number of planes was set to 24, but the number of slots (16) was determined from the experimental value.
The number of planes that is an integral multiple of is most effective, and the same effect as in the above embodiment can be obtained even with 8,000 planes or 16 planes. .
また、内輪磁極部（１３）の内径を多角形にて形成して
も上記実施例と同様の効果が期待できる。Further, even if the inner diameter of the inner magnetic pole part (13) is formed into a polygon, the same effect as in the above embodiment can be expected.
この考案は以上説明したとおり、外輪部を形成する外輪
ヨーク部と、この外輪ヨーク部内壁に設けられた嵌合凹
部と、この嵌合凹部に嵌着される嵌合部を一端に有する
磁極片と、この磁極片を上配液合部を外側にして極数の
み円状に配設し、内側にて連結部を介して連結されてな
る内輪磁極部とを備え、上記内輪磁極部の内径を複数の
平面を有する円形状に形成したことより、外輪ヨーク部
に内輪磁極部が結合された時発生する内輪磁極部の変形
が内輪磁極部の内径に加わり、内径の有する平面形状に
て変形が吸収され、内径真円度が向上し回転子外径との
エアーギャップが狭められ、電動機の効率、騒音、振動
等の特性がよくなる。As explained above, this invention includes an outer ring yoke portion forming an outer ring portion, a fitting recess provided on the inner wall of the outer ring yoke portion, and a magnetic pole piece having a fitting portion fitted into the fitting recess at one end. and an inner ring magnetic pole part formed by arranging the magnetic pole pieces in a circle with only the number of poles with the upper liquid joining part on the outside and connected through a connecting part on the inside, and the inner diameter of the inner ring magnetic pole part Since it is formed into a circular shape with multiple planes, the deformation of the inner ring magnetic pole part that occurs when the inner ring magnetic pole part is coupled to the outer ring yoke part is added to the inner diameter of the inner ring magnetic pole part, and the deformation is caused by the planar shape of the inner diameter. is absorbed, the roundness of the inner diameter is improved, the air gap with the outer diameter of the rotor is narrowed, and the efficiency, noise, vibration, etc. characteristics of the motor are improved.
第１図はこの発明の一実施例を示す固定子の平面図、第
２図は同じく内輪磁極部の平面図、第３図は同しく外輪
ヨーク部の平面図、第４図は同じく内輪磁極部の内径の
部分拡大図、第５図は同じく内輪磁極部の内径を示す平
面図、第６図は従来の電動機の固定子を示す斜視図、第
７図は従来の内輪磁極部の平面図、第８図は従来の外輪
ヨーク部の平面図である。
なお、（１１）は外輪ヨーク部、（１２）は嵌合凹部、
（１３）は内輪磁極部、（１４）は嵌合部、（１５）は
磁極片、（１７）は連結部、（１８）は内径、〈１９）
は平面である。Fig. 1 is a plan view of a stator showing an embodiment of the present invention, Fig. 2 is a plan view of the inner ring magnetic pole portion, Fig. 3 is a plan view of the outer ring yoke portion, and Fig. 4 is a plan view of the inner ring magnetic pole portion. Fig. 5 is a plan view showing the inner diameter of the inner ring magnetic pole part, Fig. 6 is a perspective view showing the stator of a conventional electric motor, and Fig. 7 is a plan view of the conventional inner ring magnetic pole part. , FIG. 8 is a plan view of a conventional outer ring yoke portion. In addition, (11) is the outer ring yoke portion, (12) is the fitting recess,
(13) is the inner ring magnetic pole part, (14) is the fitting part, (15) is the magnetic pole piece, (17) is the connecting part, (18) is the inner diameter, <19)
is a plane.
Claims (1)
内壁に設けられた嵌合凹部と、この嵌合凹部に嵌着され
る嵌合部を一端に有する磁極片と、この磁極片を上記嵌
合部を外側にして極数のみ円状に配設し、内側にて連結
部を介して連結されてなる内輪磁極部とを備え、上記内
輪磁極部の内径を複数の平面を有する円形状に形成した
ことを特徴とする電動機の固定子。An outer ring yoke portion forming an outer ring portion, a fitting recess provided on the inner wall of the outer ring yoke portion, a magnetic pole piece having a fitting portion fitted into the fitting recess at one end, and the magnetic pole piece being fitted into the fitting recess. The number of poles is arranged in a circle with the joint part on the outside, and an inner ring magnetic pole part is connected through a connecting part on the inside, and the inner diameter of the inner ring magnetic pole part is shaped into a circular shape having a plurality of planes. A stator for an electric motor, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1341605A JPH0734634B2 (en) | 1989-12-27 | 1989-12-27 | Electric motor stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1341605A JPH0734634B2 (en) | 1989-12-27 | 1989-12-27 | Electric motor stator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03203556A true JPH03203556A (en) | 1991-09-05 |
| JPH0734634B2 JPH0734634B2 (en) | 1995-04-12 |
Family
ID=18347372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1341605A Expired - Lifetime JPH0734634B2 (en) | 1989-12-27 | 1989-12-27 | Electric motor stator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0734634B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101764437A (en) * | 2008-12-25 | 2010-06-30 | 乐金电子(天津)电器有限公司 | Combined stator structure of motor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63174531A (en) * | 1987-01-12 | 1988-07-19 | Shibaura Eng Works Co Ltd | Stator core member of motor |
-
1989
- 1989-12-27 JP JP1341605A patent/JPH0734634B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63174531A (en) * | 1987-01-12 | 1988-07-19 | Shibaura Eng Works Co Ltd | Stator core member of motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0734634B2 (en) | 1995-04-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100401083B1 (en) | Stator iron core of electric motor, manufacturing method thereof, electric motor, and compressor | |
| WO2007049411A1 (en) | Capacitor motor and process for producing the same | |
| JP4552267B2 (en) | motor | |
| JPH04344137A (en) | Stator for motor and manufacture of the stator | |
| JP3711252B2 (en) | Claw pole type stepping motor | |
| JP5911018B2 (en) | Armature and rotating electric machine equipped with the armature | |
| JP3056738B1 (en) | Manufacturing method of condenser motor stator | |
| JP3515912B2 (en) | Motor stator | |
| JPH05219668A (en) | Permanent magnet type rotor | |
| JP2569221B2 (en) | Motor manufacturing method | |
| JP3274578B2 (en) | Laminated core for stator | |
| JP2000032690A (en) | Stator core for electric rotating machine and manufacture of stator for the electric rotating machine as well as magnet rotor-type motor | |
| JPH0736459Y2 (en) | Permanent magnet field type rotor | |
| JPH08205434A (en) | Laminated core for stator | |
| JP2003274583A (en) | Stator core structure of rotating motor, and manufacturing method for the stator | |
| JPH10225031A (en) | Magnet rotor and its manufacture | |
| JPH03203556A (en) | Stator of motor | |
| JP2763656B2 (en) | Manufacturing method of motor stator | |
| JPH01138953A (en) | Manufacture of stator for rotary electric machine | |
| JP2002354718A (en) | Stator of motor | |
| JPS6026506Y2 (en) | Electric motor | |
| JPH07231587A (en) | Magnetic member for electric rotating machine | |
| JP2002315236A (en) | Stator of internal rotating motor | |
| JP2899440B2 (en) | Motor stator core | |
| JP2000236638A (en) | Stator of dynamoelectric machine |