JPS58163256A - Small-sized motor - Google Patents

Small-sized motor

Info

Publication number
JPS58163256A
JPS58163256A JP57046558A JP4655882A JPS58163256A JP S58163256 A JPS58163256 A JP S58163256A JP 57046558 A JP57046558 A JP 57046558A JP 4655882 A JP4655882 A JP 4655882A JP S58163256 A JPS58163256 A JP S58163256A
Authority
JP
Japan
Prior art keywords
case
rotor
cover
bearing
rotating shaft
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
Application number
JP57046558A
Other languages
Japanese (ja)
Other versions
JPS6360630B2 (en
Inventor
Tadashi Suzuki
忠 鈴木
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.)
Alps Alpine Co Ltd
Original Assignee
Alps Electric 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 Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Priority to JP57046558A priority Critical patent/JPS58163256A/en
Priority to DE19833307676 priority patent/DE3307676A1/en
Priority to KR1019830001166A priority patent/KR890004098B1/en
Publication of JPS58163256A publication Critical patent/JPS58163256A/en
Publication of JPS6360630B2 publication Critical patent/JPS6360630B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/167—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
    • H02K5/1675—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings radially supporting the rotary shaft at only one end of the rotor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K23/00—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
    • H02K23/54—Disc armature motors or generators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/14—Means for supporting or protecting brushes or brush holders
    • H02K5/143—Means for supporting or protecting brushes or brush holders for cooperation with commutators
    • H02K5/145—Fixedly supported brushes or brush holders, e.g. leaf or leaf-mounted brushes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2211/00—Specific aspects not provided for in the other groups of this subclass relating to measuring or protective devices or electric components
    • H02K2211/03—Machines characterised by circuit boards, e.g. pcb

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc Machiner (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

PURPOSE:To simplify the installation of a lead wire by a method wherein a circuit is printed on the inside of a case. CONSTITUTION:A rotating shaft 32, whereon a rotor 27, a commutator 34 and the like are fixed, is inserted to the bearing 26 of the case 20, and the protruded part 37 of a supporting member 36 is fitted to the deep notch 23 provided on the case 20 in such a manner that a permanent magnet 35 will be facing the side of the rotor 27. Subsequently, the cover 38, whereon a brush 41, a thrust bearing and the like are attached, is fitted to the concaved step part 25 of the case 20, and the cover 38 is fixed by caulking several points of the open end of the case 20. A circuit 40 is printed on the inside of the cover 38 through the intermediary of an insulating material. As a result, the process wherein a lead wire is led out from the case is unnecessitated, thereby enabling to simplify the assembling work of the titled motor.

Description

【発明の詳細な説明】 本発明は小型モータに関する。[Detailed description of the invention] The present invention relates to a small motor.

従来、小型モータは、第１．図に示すように（１）は有
底円筒状のケースで、このケース（１）の底部（２）は
外方へ突出された凹部（３）が形成されている。（４）
は合成樹脂より成るブラシホルダーで、ケース（１）の
凹部（３）に設けた孔（５）に取付けられ、その底面（
４ａ）はスラスト軸受となっている。Conventionally, small motors have the following characteristics: As shown in the figure, (1) is a cylindrical case with a bottom, and the bottom (2) of this case (1) is formed with a recess (3) that projects outward. (4)
is a brush holder made of synthetic resin, which is attached to the hole (5) made in the recess (3) of the case (1), and the bottom surface (
4a) is a thrust bearing.

（６）は永久磁石で、ケース（１）の底部（２）に接着
等により取付けられている。（７）はリン青銅板等より
成るブラシ、（８）はリード線で、ブラシホルダー（４
）に設けである。（９）はケース（１）の開放端を塞ぐ
金属板より成るカバーで、このカバー（９）は絞め等に
よりケース（１）に取付けられている。凹はカバー（９
）に設けた軸受、ａυは複数個のコイル０ｚ・・・を埋
設した合成樹脂より成るロータ、Ｑ３はロータＵυの永
久磁石（６）と対向する面に接着等により設けた磁性板
である。α４）１ｉロータａυに設けた電極板、Ｑ５１
は軸受ＯＩに回転可能に設けられた回転軸で、ロータα
υが取付けられている。αＱは回転軸Ｑ９に取付けられ
た整流子で、この整流子αｅにコイルα２の一喘が電極
板Ｑ３ｆ：介して接続されている。(6) is a permanent magnet, which is attached to the bottom (2) of the case (1) by adhesive or the like. (7) is a brush made of phosphor bronze plate, etc., (8) is a lead wire, and the brush holder (4
). (9) is a cover made of a metal plate that closes the open end of the case (1), and this cover (9) is attached to the case (1) by tightening or the like. The concave is the cover (9
), aυ is a rotor made of synthetic resin in which a plurality of coils 0z... are embedded, and Q3 is a magnetic plate provided by adhesive or the like on the surface of the rotor Uυ facing the permanent magnet (6). α4) Electrode plate provided on 1i rotor aυ, Q51
is a rotary shaft rotatably installed in the bearing OI, and the rotor α
υ is installed. αQ is a commutator attached to the rotating shaft Q9, and a part of the coil α2 is connected to this commutator αe via an electrode plate Q3f.

しかしながら、上述の構造では、ケース（１）に回転軸
α９を挿入したカバー（９）を嵌め込むが、ケース（１
）に挿入した後にカバー（９）コ嵌め込むが、して組立
てていた。However, in the above structure, although the cover (9) with the rotating shaft α9 inserted into the case (1) is fitted, the case (1)
), and then fit the cover (9) into place, which was then assembled.

したがって、リード線の取付は工程に手間が係り、回転
軸０９の挿入に際して、ブラシを損傷しないようにしな
ければならず、また、各部品をＩｔｌ１次重ね合せるよ
うに組立てられず、自動化が困難であった。Therefore, the installation of the lead wires is a time-consuming process, the brushes must be protected from damage when inserting the rotating shaft 09, and each part cannot be assembled in a primary overlapping manner, making automation difficult. there were.

そこで、本発明は上述の欠点に着目し、これを解消すべ
くなされたもので、組立てが簡単で、その自動化を容易
にすることができる小型モータを提供するものである。Therefore, the present invention has been made to address the above-mentioned drawbacks and provides a small motor that is easy to assemble and can be easily automated.

次に、本発明の１実施例ｆ：第２図以下の図面を参照し
て詳細に説明する。Next, an embodiment f of the present invention will be described in detail with reference to FIG. 2 and the following drawings.

図中、■はケースで、このケース（至）は断面路コ状の
有底円筒状で、その底部？υはその中央部が稍外方へ突
出するとともに中心部に孔四が穿設されている。また、
ケース■の開放端には略１２０度間隔で深い切欠き（ホ
）、−１翰が形成されるとともに、−ケ所に浅い切欠き
（ハ）が形成されている。更に、ケース（イ）の開放端
の内周縁には凹段部（ハ）が形成されている。（ハ）は
孔四に嵌装された軸受である。In the figure, ■ is a case, and this case (to) is a cylinder with a bottom and a U-shaped cross section. The center of υ protrudes slightly outward, and a hole is drilled in the center. Also,
At the open end of the case (2), deep notches (E) and -1 ridges are formed at approximately 120 degree intervals, and shallow notches (C) are formed at -1 locations. Further, a recessed step (c) is formed on the inner peripheral edge of the open end of the case (a). (C) is a bearing fitted into hole No. 4.

（イ）はロータで、このロータ（イ）は複数のコイル（
ハ）・・０ど、リング状の電極板−と、磁性板−が合成
樹脂（３υにより一体的に回転軸Ｑつに円板状に固設さ
れている。このロータ翰は回転軸Ｑ′４寄りを屈曲形成
されてコイル曽を折り曲け゛、この凹部にコイル（ハ）
の端子線（２８ａ）　ｆ、導出し、後述する永久磁石の
幅を十分に取って回転力を発生させるための磁束と直角
に交わるコイル（７）の直線部を全て利用している。こ
の回転軸（イ）には凹部（至）が形成されて合成樹脂Ｇ
１υが充填され回転止め及び抜は止めをしている。また
、ケース■内の回転軸◇４の端部〔ロータ（財）を軸受
（ホ）を挾む位置〕に整流子（ロ）が備えられている。(A) is a rotor, and this rotor (A) has multiple coils (
C)...0, a ring-shaped electrode plate and a magnetic plate are integrally fixed to the rotating shaft Q in a disk shape using synthetic resin (3υ). 4 side is bent and the coil (C) is bent, and the coil (C) is inserted into this recess.
The terminal wire (28a) f is derived and the width of the permanent magnet, which will be described later, is sufficiently wide to make use of all the straight parts of the coil (7) that intersect at right angles to the magnetic flux for generating rotational force. A concave portion (to) is formed on this rotating shaft (a), and the synthetic resin G
1υ is filled to prevent rotation and removal. Further, a commutator (B) is provided at the end of the rotating shaft ◇4 in the case (■) [the position where the rotor (goods) is sandwiched between the bearings (E)].

この！ｌ流千−とコイル（ハ）の端子線（３４ａ）、（
２８ａ）は電極板−に接続されている。（ハ）は永久磁
石で、この永久磁石（至）はリング状に形成され、支持
部材−に固設されてコイル（７）の近傍へ配設されてい
る。この支持部材（至）は円板状に形成され、その中心
部に回転軸Ｑａが挿入される孔が形成されるとともに周
縁には前記深い切欠き（至）、（ホ）、（財）に対応し
て突片Ｇ乃、Ｇ７１１Ｇカが延設され歌合保持されて、
いる。そして、永久磁石（至）は突片（ロ）を基準にし
て着磁されている。μｓはカバーて°、このカバー（至
）は円板状に形成されて前記ケース■の凹段部（ホ）に
嵌合されるとともにタト部に突出した端子部−が一体的
に形成されている。また、カバー（至）の内側には絶縁
材（図示せず）がコーティングされ、この絶縁材の上に
回路−が印刷されている。社はブラシで、このブラシ＠
りは一端をカバー（ト）の内側に固設され、遊端を整流
子（ロ）に当接させている。this! Terminal wire (34a) of l flow and coil (c), (
28a) is connected to the electrode plate. (C) is a permanent magnet, which is formed into a ring shape, is fixed to a support member, and is disposed near the coil (7). This support member (1) is formed into a disk shape, and has a hole in its center into which the rotating shaft Qa is inserted, and the deep notches (1), (E), and (2) on the periphery. Correspondingly, protrusions G and G711G were extended to hold the Utaai,
There is. The permanent magnet (to) is magnetized with the projection (b) as a reference. μs is a cover °, and this cover (to) is formed into a disc shape and is fitted into the recessed part (e) of the case (2), and a terminal part - protruding from the top part is integrally formed. There is. Further, the inside of the cover (to) is coated with an insulating material (not shown), and a circuit is printed on this insulating material. The company is a brush, this brush @
One end of the wire is fixed inside the cover (G), and the free end is in contact with the commutator (B).

このブラシ０］）は第４図に示すように略り状の端子板
０■の両端の屈曲片■、−に二本づつそれぞれ固設され
、直交配置にされている。このブラシ＠めにはグンバー
■が貼着されている。この端子板に）をカバー（至）に
半田付は固定した後４、点線（ト）部分を除去して１対
のブラシαη、′＠メを設けている。０加ｊ回転軸６２
の端部が当接される合威脂趨製のスラスト軸受である。As shown in FIG. 4, these brushes 0]) are fixed in pairs on each of the bent pieces 2 and 2 at both ends of the terminal plate 02, and are arranged orthogonally. Gunbar ■ is stuck on this brush @me. After soldering and fixing the terminal board () to the cover (4), the dotted line (G) portion was removed and a pair of brushes αη,'@@me were provided. 0 addition j rotation axis 62
This is a thrust bearing made of Hewei resin, which the end of the bearing is in contact with.

−は支持部材（至）を所定位置に保持する保持部材であ
る。（６）は回路−に設けられたブラシ間ノイズ吸収用
コンデンサである。輪は鳴子部輪に接続されｊ；リード
線である。- is a holding member that holds the support member (to) in a predetermined position. (6) is an inter-brush noise absorbing capacitor provided in the circuit. The ring is connected to the naruko ring and is a lead wire.

本発明は上述のように構成され、その組立方法について
説明すると、ケース■の軸受（ハ）にロータ翰、整流子
（ロ）等を固設した回転軸０２２挿通し、そして永久磁
石図をロータ（イ）側に向けて支持部材（至）をその突
片（ロ）・・・をケース（４）の各深い切欠き翰・・・
に合せて嵌合させ、その後、ブラシ０］）、スラスト軸
受Ｕ等を取付けたカバーμｓをケース四の凹段部（ホ）
に嵌合し、ケース■の開放端の数ケ所を絞めてカバーμ
ｓを固定する。The present invention is constructed as described above, and the method of assembling it will be explained by inserting the rotary shaft 022, on which the rotor blade, commutator (b), etc. are fixed, into the bearing (c) of the case (2), and then inserting the permanent magnet diagram into the rotor. (A) Turn the support member (toward) toward the protruding piece (b) of each deep notch in the case (4).
Then, insert the cover μs with the brush 0), thrust bearing U, etc. attached to the recessed part (E) of the case 4.
the cover μ by squeezing several places on the open end of the case ■.
Fix s.

なお、ロータ（イ）と回転軸Ｃ３つの形成は上述の実施
例に限られるものでなく、コイル四を合成樹脂Ｃ３］）
で埋設してリング状のロータを形成し、その後、ロータ
、電極板及び磁性板と回転軸の所定位置で磁性板の孔か
ら合成樹脂を充填してロータ、電極板、磁性板及び回転
軸を固定する。Note that the formation of the rotor (A) and the three rotating shafts C is not limited to the above-mentioned embodiment, and the fourth coil is made of synthetic resin C3])
A ring-shaped rotor is formed by burying the rotor, electrode plates, magnetic plates, and rotating shaft.Then, synthetic resin is filled through the holes in the magnetic plate at predetermined positions of the rotor, electrode plates, magnetic plates, and rotating shaft. Fix it.

本発明は上述のように構成され、断面路コ状の有底円筒
状で、かつ底部に軸受を備えたケースと、該ケース内に
収容されるロータを前記軸受寄りに固設するとともに整
流子を備え、前記軸受に支持されている回転軸と、前記
ロータに近接配！に永久磁石を固設し、前記ケースに嵌
合された支持部材と、前記ロータに固設された前記永久
磁石に吸引されている磁性板と、前記ケースに嵌合され
、内側に前記整流子に接触するブラシ並びに前記回転軸
の端部が当接するスラスト軸受並びに外部に導出される
ように印刷した回路とを具備したため、ケースからリー
ド線を引き−１工程がなく６゛リケースに順次、ロータ
付回転軸、支持部材、最後にカバーを嵌め込んて゛組立
てることができるのて゛、組立てが簡単になり自動化が
容易にできるものである。The present invention is constructed as described above, and includes a case having a bottomed cylindrical shape with a rectangular cross section and having a bearing at the bottom, a rotor housed in the case, which is fixed near the bearing, and a commutator. and a rotating shaft supported by the bearing, and arranged close to the rotor! A permanent magnet is fixed to the support member, which is fitted into the case, a magnetic plate which is attracted to the permanent magnet which is fixed to the rotor, and a support member which is fitted to the case and has the commutator inside. Since it is equipped with a brush that contacts the rotor, a thrust bearing that the end of the rotary shaft comes into contact with, and a printed circuit that is led out to the outside, the lead wire is drawn from the case and the rotor is connected to the case one by one without the first step. Since the rotary shaft, the support member, and finally the cover can be assembled by fitting them together, assembly is simple and automation is easy.

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

第１図は従来の小型モータの縦断面図、第２図以下は本
発明の１実施例を示し、第２図は縦断面図、第３図は組
立直前の分解斜視図、ＩＦＩＪ４図は取付は前の端子板
の平面図である。 （４）ケース　　　　　？埠　底部 （ハ）深い切欠き　　　（ハ）浅い切欠き翰　凹段部　
　　　　−軸受 四　電極板　　　　　（ト）磁性板 ０ル　合成樹脂　　　　６２　　回転軸（ロ）整流子　
　　　　（至）永久磁石（至）支持部材　　　　Ｇ′？
）突片 （至）　カバー　　　　　顛　回路 ０υ　ブラシ　　　　　０′ｉ）　　スラスト軸受第１
図 手２図Figure 1 is a vertical sectional view of a conventional small motor, Figure 2 and the following diagrams show one embodiment of the present invention, Figure 2 is a vertical sectional view, Figure 3 is an exploded perspective view just before assembly, and Figure 4 of IFIJ is an installation. is a plan view of the previous terminal board. (4) Case? Pier Bottom (C) Deep notch (C) Shallow notch Concave step
- Bearing 4 Electrode plate (G) Magnetic plate 0 Synthetic resin 62 Rotating shaft (B) Commutator
(To) Permanent magnet (To) Support member G'?
) Protruding piece (to) Cover part Circuit 0υ Brush 0'i) Thrust bearing No. 1
Illustration 2

Claims (1)

【特許請求の範囲】[Claims] 断面略コ字状の有底円筒状で、かつ底部に軸受を備えた
ケースと、該ケース内に収容されるロータを前記軸受前
りに固設するとともに整流子を備え、前記軸受に支持さ
れている回転軸と、前記ロータに近接配置に永久磁石を
固設し、前記ケースに嵌合された支持部材と、前記ロー
タに固設され前記永久磁石に吸引されている磁性板と、
前記ケースに嵌合され、内側には前記整流子に接触する
ブラシ並びに前記回転軸の端部に当接するスラスト軸受
並びにタト部に導出されるように印刷した回路とを具備
したカバーとを具備したことを特徴とする小型モータ。A case having a bottomed cylindrical shape with a substantially U-shaped cross section and having a bearing at the bottom, a rotor housed in the case, fixed in front of the bearing, a commutator, and supported by the bearing. a rotating shaft having a permanent magnet fixed thereon close to the rotor and a support member fitted into the case; a magnetic plate fixedly attached to the rotor and attracted to the permanent magnet;
The cover is fitted into the case and has a brush on the inside that contacts the commutator, a thrust bearing that contacts the end of the rotating shaft, and a printed circuit that is led out to the tab. A small motor characterized by:
JP57046558A 1982-03-24 1982-03-24 Small-sized motor Granted JPS58163256A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP57046558A JPS58163256A (en) 1982-03-24 1982-03-24 Small-sized motor
DE19833307676 DE3307676A1 (en) 1982-03-24 1983-03-04 Motor having at least one permanent magnet, for relatively low power
KR1019830001166A KR890004098B1 (en) 1982-03-24 1983-03-23 Small-sized motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57046558A JPS58163256A (en) 1982-03-24 1982-03-24 Small-sized motor

Publications (2)

Publication Number Publication Date
JPS58163256A true JPS58163256A (en) 1983-09-28
JPS6360630B2 JPS6360630B2 (en) 1988-11-25

Family

ID=12750648

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57046558A Granted JPS58163256A (en) 1982-03-24 1982-03-24 Small-sized motor

Country Status (3)

Country Link
JP (1) JPS58163256A (en)
KR (1) KR890004098B1 (en)
DE (1) DE3307676A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100393555B1 (en) * 2000-07-12 2003-08-09 삼성전기주식회사 Brushless motor of single phase

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0246624U (en) * 1988-09-24 1990-03-30

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1826690U (en) * 1959-06-25 1961-02-16 Siemens Ag ELECTRIC MACHINE WITH EXCITATION BY PERMANENT MAGNETS.
CA990772A (en) * 1973-09-24 1976-06-08 Eric Whiteley Permanent magnet field structure for dynamoelectric machines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100393555B1 (en) * 2000-07-12 2003-08-09 삼성전기주식회사 Brushless motor of single phase

Also Published As

Publication number Publication date
KR840004317A (en) 1984-10-10
DE3307676A1 (en) 1983-08-25
JPS6360630B2 (en) 1988-11-25
KR890004098B1 (en) 1989-10-20

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