JPH0646222Y2 - Electric motor - Google Patents

Electric motor

Info

Publication number
JPH0646222Y2
JPH0646222Y2 JP3601489U JP3601489U JPH0646222Y2 JP H0646222 Y2 JPH0646222 Y2 JP H0646222Y2 JP 3601489 U JP3601489 U JP 3601489U JP 3601489 U JP3601489 U JP 3601489U JP H0646222 Y2 JPH0646222 Y2 JP H0646222Y2
Authority
JP
Japan
Prior art keywords
oil
retaining member
rotary shaft
sleeve bearing
bearing
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
JP3601489U
Other languages
Japanese (ja)
Other versions
JPH02129175U (en
Inventor
和弘 安本
宏二 戸田
幸雄 篠田
竜三 久良
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP3601489U priority Critical patent/JPH0646222Y2/en
Publication of JPH02129175U publication Critical patent/JPH02129175U/ja
Application granted granted Critical
Publication of JPH0646222Y2 publication Critical patent/JPH0646222Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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  • Motor Or Generator Frames (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)

Description

【考案の詳細な説明】 〔産業上の利用分野〕 この考案はスリーブ軸受を設けた電動機に係り、特にオ
イルスロア、抜け止め部材に関するものである。
[Detailed Description of the Invention] [Industrial field of application] The present invention relates to an electric motor provided with a sleeve bearing, and more particularly to an oil thrower and a retaining member.

〔従来の技術〕[Conventional technology]

第4図は例えば実開昭55-117160号公報に示された従来
の電動機を示す断面図であり、図において(1)はケー
シング等のフレーム、、(2)はこのフレームに設けら
れた軸受ホルダ、(3)はこの軸受ホルダの周側に固着
される固定子鉄心(4)に巻線(5)を巻装した固定
子、(6)は上記軸受ホルダ(2)内に設けられたスリ
ーブ軸受、(7)はこのスリーブ軸受に回動可能に嵌合
された回転軸、(8)はこの回転軸の上記スリーブ軸受
(6)の一端部に取着され円筒状に形成された抜け止め
部材、(9)は上記回転軸(7)の上記スリーブ軸受
(6)の他端部に取着され円筒状に形成されたオイルス
ロア、(10)は上記回転軸(7)のオイルスロア(9)
側に固着され上記固定子(3)の周側と対向するマグネ
ット(11)を有する回転子である。
FIG. 4 is a sectional view showing a conventional electric motor disclosed in, for example, Japanese Utility Model Publication No. Sho 55-117160, in which (1) is a frame such as a casing, and (2) is a bearing provided on the frame. A holder, (3) is a stator in which a winding (5) is wound around a stator core (4) fixed to the peripheral side of the bearing holder, and (6) is provided in the bearing holder (2). A sleeve bearing, (7) is a rotary shaft rotatably fitted to the sleeve bearing, and (8) is a cylindrically-shaped detachment attached to one end of the sleeve bearing (6) of the rotary shaft. A stop member, (9) is a cylindrical oil slear attached to the other end of the sleeve bearing (6) of the rotating shaft (7), and (10) is an oil thrower (9) of the rotating shaft (7). )
A rotor having a magnet (11) fixed to the side and facing the circumferential side of the stator (3).

従来の電動機は上記のように構成され、巻線(5)に通
電することで磁界が発生し、マグネット(11)との磁気
作用により回転子(10)は回転軸(7)とともに回転
し、これにより抜け止め部材(8)およびオイルスロア
(9)も回転し、潤滑油をその周囲へ飛散させ、循環す
るようになっている。
The conventional electric motor is configured as described above, a magnetic field is generated by energizing the winding (5), and the rotor (10) rotates together with the rotating shaft (7) due to the magnetic action with the magnet (11), As a result, the retaining member (8) and the oil thrower (9) also rotate, and the lubricating oil is scattered around and circulates.

〔考案が解決しようとする課題〕[Problems to be solved by the device]

上記のような従来の電動機では、抜け止め部材(8)と
オイルスロア(9)が円筒状に形成されているため、油
切れが悪く油が循環せず、摩擦抵抗が大きくなる課題が
あり、また、抜け止め部材(8)とオイルスロア(9)
は金属あるいは一般的なプラスチックで形成されている
ため、スリーブ軸受(6)との摺動摩擦が大きいという
課題があった。
In the conventional electric motor as described above, since the retaining member (8) and the oil thrower (9) are formed in a cylindrical shape, there is a problem that the oil runs out poorly and the oil does not circulate, and the frictional resistance increases. , Retaining member (8) and oil thrower (9)
Since it is formed of metal or general plastic, there was a problem that sliding friction with the sleeve bearing (6) was large.

この考案は係る課題を解決するためになされたもので、
油切れがよく油の循環が良好で、摩擦抵抗の少ない電動
機を得ることを目的とするものである。
This invention was made in order to solve the problem,
The purpose of the present invention is to obtain an electric motor that has good oil circulation, good oil circulation, and low frictional resistance.

〔課題を解決するための手段〕[Means for Solving the Problems]

この考案に係る電動機は、抜け止め部材とオイルスロア
のいずれか一方または両方の周端部に凹凸部を形成した
ものである。
In the electric motor according to the present invention, an uneven portion is formed on the peripheral end portion of either one or both of the retaining member and the oil thrower.

また、抜け止め部材とオイルスロアのいずれか一方また
は両方を含油プラスチックで形成したものである。
Further, either one or both of the retaining member and the oil thrower is made of oil-impregnated plastic.

〔作用〕[Action]

この考案においては、抜け止め部材とオイルスロアのい
ずれか一方または両方の周端部に凹凸部が形成されてい
るから、油が凸部先端に集まり飛散しやすく、油の循環
を良くする。
In this invention, since the concave-convex portion is formed at the peripheral end portion of one or both of the retaining member and the oil thrower, oil easily collects at the tip of the convex portion and scatters, improving oil circulation.

また、抜け止め部材とオイルスロアのいずれか一方また
は両方を含油プラスチックで形成したから、摺動摩擦が
減少する。
Further, since either one or both of the retaining member and the oil thrower are made of oil-impregnated plastic, sliding friction is reduced.

〔実施例〕〔Example〕

第1図〜第3図はこの考案の一実施例を示す図であり、
(1)〜(7)、(10)および(11)は上記従来例と同
一または相当部分を示し、(12)は回転軸(7)の先端
側でスリーブ軸受(6)の一端部に取着された含油プラ
スチックで形成された抜け止め部材で、回転軸(7)に
嵌合する嵌合筒部(13)とこの周側に設けられ端部にの
こぎり歯状の凹凸部(14)を形成した鍔部(15)が設け
られている。(16)は回転軸(7)の回転子(10)固着
側でスリーブ軸受(6)の他端部に取着され含油プラス
チックで形成されたオイルスロアで、回転軸(7)に嵌
合する嵌合筒部(17)とこの周側に設けられ端部にのこ
ぎり歯状の凹凸部(18)を形成した鍔部(19)が設けら
れている。
1 to 3 are views showing an embodiment of the present invention,
(1) to (7), (10) and (11) show the same or corresponding portions as in the above conventional example, and (12) is attached to one end of the sleeve bearing (6) on the tip side of the rotating shaft (7). A retaining member made of oil-impregnated plastic that is fitted with a fitting cylindrical portion (13) fitted to the rotating shaft (7) and a sawtooth-shaped uneven portion (14) provided on the peripheral side of the fitting cylindrical portion (13). A formed collar portion (15) is provided. (16) is an oil thrower formed of oil-impregnated plastic attached to the other end of the sleeve bearing (6) on the rotor (10) fixed side of the rotary shaft (7), and fitted to the rotary shaft (7). A coupling tube portion (17) and a collar portion (19) provided on the peripheral side thereof and having saw-tooth-shaped irregularities (18) formed at the ends thereof are provided.

上記のように構成された電動機においては、巻線(5)
に通電することにより磁界が発生し、マグネット(11)
と磁気作用により回転子(10)は回転軸(7)を中心に
回転する。この回転軸(7)の回転とともにオイルスロ
ア(16)および抜け止め部材(12)も回転し、潤滑油は
それぞれの嵌合筒部(13)(17)から鍔部(15)(19)
へ伝わり、鍔部(15)(19)の凹凸部(14)(18)の凸
端部に集まり飛散し循環する。このように鍔部(15)
(19)にのこぎり歯状の凹凸部(14)(18)が形成され
ていることにより、潤滑油がその凸部端部に集まり飛散
しやすくなり、油の循環を良好にする。また、抜け止め
部材(12)とオイルスロア(16)の材質が含油プラスチ
ックであることから、回転による摺動摩擦は少なくな
る。
In the electric motor configured as described above, the winding (5)
A magnetic field is generated by energizing the magnet, and the magnet (11)
And the magnetic action causes the rotor (10) to rotate around the rotating shaft (7). Along with the rotation of the rotating shaft (7), the oil thrower (16) and the retaining member (12) also rotate, and the lubricating oil flows from the fitting cylindrical portions (13) (17) to the collar portions (15) (19).
It is transmitted to and gathers on the convex ends of the concave and convex portions (14) and (18) of the collar portions (15) and (19), and scatters and circulates. This way the collar part (15)
By forming the saw-toothed concavo-convex portions (14) and (18) on the (19), the lubricating oil is easily collected and scattered at the end portions of the convex portions, and the oil circulation is improved. Further, since the retaining member (12) and the oil thrower (16) are made of oil-impregnated plastic, sliding friction due to rotation is reduced.

〔考案の効果〕[Effect of device]

この考案は以上説明したとり、軸受ホルダと、この軸受
ホルダに固着され巻線を巻装した固定子と、上記軸受ホ
ルダに設けられたスリーブ軸受と、このスリーブ軸受に
回動可能に嵌合された回転軸と、この回転軸の上記スリ
ーブ軸受の一端部に設けられた抜け止め部材と、上記回
転軸の上記スリーブ軸受の他端部に設けられたオイルス
ロアと、上記回転軸に固着され上記固定子の周側と対向
するマグネットを有する回転子とを備え、上記抜け止め
部材と上記オイルスロアのいずれか一方または両方の周
端部に凹凸部を形成したことにより、油切れがよく油の
循環が良好となり寿命を長くすることができる効果があ
る。
The present invention has been described above. The bearing holder, the stator fixed to the bearing holder and wound with windings, the sleeve bearing provided on the bearing holder, and rotatably fitted to the sleeve bearing. A rotary shaft, a retaining member provided at one end of the sleeve bearing of the rotary shaft, an oil thrower provided at the other end of the sleeve bearing of the rotary shaft, and fixed to the rotary shaft. It is provided with a rotor having a magnet facing the peripheral side of the child, and by forming a concavo-convex portion on the peripheral end portion of either or both of the retaining member and the oil thrower, oil is well drained and oil circulation is improved. There is an effect that it becomes good and the life can be extended.

また、抜け止め部材とオイルスロアのいずれか一方また
は両方を含油プラスチックで形成したことにより、摩擦
抵抗を少なくすることも可能となり、より寿命が長くな
る効果がある。
Further, by forming one or both of the retaining member and the oil thrower from oil-impregnated plastic, it becomes possible to reduce the frictional resistance, which has the effect of extending the life.

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

第1図はこの考案の一実施例を示す断面図、第2図は同
じく抜け止め部材(12)を示す斜視図、第3図は同じく
オイルスロア(16)を示す斜視図、第4図は従来の電動
機を示す断面図である。 なお、各図中同一符号は同一または相当部分を示し、
(2)は軸受ホルダ、(3)は固定子、(5)は巻線、
(6)はスリーブ軸受、(7)は回転軸、(10)は回転
子、(11)はマグネット、(12)は抜け止め部材、(1
4)は凹凸部、(16)はオイルスロア、(18)は凹凸部
である。
FIG. 1 is a sectional view showing an embodiment of the present invention, FIG. 2 is a perspective view showing the retaining member (12), FIG. 3 is a perspective view showing an oil lower (16), and FIG. 3 is a cross-sectional view showing the electric motor of FIG. In the drawings, the same reference numerals indicate the same or corresponding parts,
(2) is a bearing holder, (3) is a stator, (5) is a winding,
(6) is a sleeve bearing, (7) is a rotating shaft, (10) is a rotor, (11) is a magnet, (12) is a retaining member, (1)
4) is an uneven part, (16) is an oil sler, and (18) is an uneven part.

───────────────────────────────────────────────────── フロントページの続き (72)考案者 久良 竜三 岐阜県中津川市駒場町1番3号 三菱電機 株式会社中津川製作所内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Creator Ryuzo Kura 1-3 Komaba-cho, Nakatsugawa-shi, Gifu Mitsubishi Electric Corporation Nakatsugawa Works

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] 【請求項1】軸受ホルダと、この軸受ホルダに固着され
巻線を巻装した固定子と、上記軸受ホルダに設けられた
スリーブ軸受と、このスリーブ軸受に回動可能に嵌合さ
れた回転軸と、この回転軸の上記スリーブ軸受の一端部
に設けられた抜け止め部材と、上記回転軸の上記スリー
ブ軸受の他端部に設けられたオイルスロアと、上記回転
軸に固着され上記固定子の周側と対向するマグネットを
有する回転子とを備え、上記抜け止め部材と上記オイル
スロアのいずれか一方または両方の周端部に凹凸部を形
成した電動機。
1. A bearing holder, a stator fixed to the bearing holder and wound with a winding, a sleeve bearing provided on the bearing holder, and a rotary shaft rotatably fitted to the sleeve bearing. A retaining member provided at one end of the sleeve bearing of the rotary shaft, an oil slant provided at the other end of the sleeve bearing of the rotary shaft, and a circumference of the stator fixed to the rotary shaft. And a rotor having a magnet facing the side, and an uneven portion is formed at a peripheral end portion of either one or both of the retaining member and the oil thrower.
【請求項2】抜け止め部材とオイルスロアのいずれか一
方または両方を含油プラスチックで形成した請求項1記
載の電動機。
2. The electric motor according to claim 1, wherein one or both of the retaining member and the oil thrower are made of oil-impregnated plastic.
JP3601489U 1989-03-29 1989-03-29 Electric motor Expired - Lifetime JPH0646222Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3601489U JPH0646222Y2 (en) 1989-03-29 1989-03-29 Electric motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3601489U JPH0646222Y2 (en) 1989-03-29 1989-03-29 Electric motor

Publications (2)

Publication Number Publication Date
JPH02129175U JPH02129175U (en) 1990-10-24
JPH0646222Y2 true JPH0646222Y2 (en) 1994-11-24

Family

ID=31541874

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3601489U Expired - Lifetime JPH0646222Y2 (en) 1989-03-29 1989-03-29 Electric motor

Country Status (1)

Country Link
JP (1) JPH0646222Y2 (en)

Also Published As

Publication number Publication date
JPH02129175U (en) 1990-10-24

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