JPH0727816Y2 - Small DC motor commutator - Google Patents
Small DC motor commutatorInfo
- Publication number
- JPH0727816Y2 JPH0727816Y2 JP1985028933U JP2893385U JPH0727816Y2 JP H0727816 Y2 JPH0727816 Y2 JP H0727816Y2 JP 1985028933 U JP1985028933 U JP 1985028933U JP 2893385 U JP2893385 U JP 2893385U JP H0727816 Y2 JPH0727816 Y2 JP H0727816Y2
- Authority
- JP
- Japan
- Prior art keywords
- commutator
- press
- piece
- ring
- assembled
- 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
Links
Landscapes
- Motor Or Generator Current Collectors (AREA)
Description
【考案の詳細な説明】 産業上の利用分野 本考案は小型直流モータに用いられる整流子に関するも
のである。DETAILED DESCRIPTION OF THE INVENTION Industrial Field of the Invention The present invention relates to a commutator used in a small DC motor.
従来の技術 近年、小型直流モータは多用途に用いられ年々増加の一
途を歩んでいる。安価な製品でも２〜３台とモータが使
用されるため、必然的にモータへの要望は低価格の追求
が主になっている。2. Description of the Related Art In recent years, small DC motors have been used for many purposes and are increasing year by year. Even a low-priced product uses a few motors, so inevitably the demand for motors is mainly pursuing low prices.
以下図面を参照しながら、上述した従来の小型直流モー
タの整流子の一例について説明する。Hereinafter, an example of the commutator of the above-described conventional small DC motor will be described with reference to the drawings.
第３図，第４図は従来の小型直流モータの構造を示すも
のである。第３図は組立整流子の分解立体図で、１−ａ
は整流子本体、１−ｂは整流子片、１−ｃは絶縁性を有
する硬質性の紙からなる圧入リンングファイバーであ
る。FIG. 3 and FIG. 4 show the structure of a conventional small DC motor. Fig. 3 is an exploded view of the assembled commutator, 1-a
Is a commutator body, 1-b is a commutator piece, and 1-c is a press-fit ringing fiber made of hard paper having insulation properties.
第４図はモータ全体の構造断面図で、２は油切り、３は
刷子、４はシャフト、５はメタル軸受、６は内面に界磁
マグネット７が固着されたフレーム、８はブラケット、
９はシャフト４に固定されるコアで、巻線10が巻装され
ている。FIG. 4 is a structural cross-sectional view of the entire motor, 2 is an oil drainer, 3 is a brush, 4 is a shaft, 5 is a metal bearing, 6 is a frame having a field magnet 7 fixed to the inner surface, 8 is a bracket,
Reference numeral 9 is a core fixed to the shaft 4, and a winding 10 is wound around the core.
以上のように構成された小型直流モータの組立整流子の
構造について説明する。The structure of the assembled commutator of the small direct current motor configured as described above will be described.
まず整流子本体１−ａに複数の整流子片１−ｂを矢印方
向に挿入し、さらに整流子片１−ｂを固定するため圧入
リングファイバー１−ｃを矢印方向に圧入する。こうし
て組立られた組立整流子をシャフト４に装着する。そし
て整流子表面にメタル軸受５のオイルが流れないように
油切り２を組立整流子頭部に圧入する。First, a plurality of commutator pieces 1-b are inserted into the commutator body 1-a in the arrow direction, and further, the press-fitting ring fiber 1-c is press-fitted in the arrow direction to fix the commutator pieces 1-b. The assembled commutator thus assembled is mounted on the shaft 4. Then, the oil drainer 2 is press-fitted into the assembled commutator head so that the oil of the metal bearing 5 does not flow on the commutator surface.
考案が解決しようとする問題点 しかしながら、上記のような構成では、組立整流子とメ
タル間に油切りが必要となっており、その油切りの部品
と圧入装着工数が必要となりコストアップするという問
題点を有していた。Problems to be Solved by the Invention However, in the above-mentioned configuration, it is necessary to remove oil between the assembled commutator and the metal, and the parts for the oil remover and the press-fitting mounting man-hours are required, resulting in an increase in cost. Had a point.
本考案は上記問題点を鑑み、低コストにて小型直流モー
タを提供するものである。In view of the above problems, the present invention provides a small DC motor at low cost.
問題点を解決するための手段 上記問題点を解決するため本考案の小型直流モータの組
立整流子は、樹脂成形品で成る円筒状の整流子本体と、
プレス加工にて形成された一部切り起こし部を有する複
数の整流子片と、前記整流子片を前記整流子本体に圧入
固定するためのリング状のファイバーとを備えた組立整
流子において、整流子本体頭部に整流子片の円弧部外径
よりも大きい円板状の油切りと、整流子片先端部が係止
される溝とを一体に成形し、整流子片は整流子本体頭部
の溝と、整流子片の一部切り起こし部に当接するリング
状のファイバーとで挟持され、かつリング状のファイバ
ーの内径部で整流子片の円弧部が軸方向に突出した一部
外径部と圧入して嵌合させ固定したものである。Means for Solving the Problems In order to solve the above problems, the assembled DC commutator of the present invention is a cylindrical commutator body made of a resin molded product,
An assembling commutator comprising a plurality of commutator pieces each having a partially cut-and-raised part formed by press working, and a ring-shaped fiber for press-fitting and fixing the commutator pieces to the body of the commutator. A disk-shaped oil drainer that is larger than the outer diameter of the arc portion of the commutator piece and a groove that locks the tip of the commutator piece are integrally molded in the child body head. Part of the commutator piece that is sandwiched between the groove of the part and the ring-shaped fiber that abuts against the cut-and-raised part of the commutator piece, and the arc part of the commutator piece projects in the axial direction at the inner diameter of the ring-shaped fiber. It is press-fitted into the diametrical portion and fitted and fixed.
作用 本考案は、上記した構成によって油切りが組立整流子に
一体形成されているため、後工程にて単品の油切りの装
着が不要となる。Operation In the present invention, since the oil drainer is integrally formed with the assembled commutator according to the above-described configuration, it is not necessary to attach a single oil drainer in the subsequent process.
実施例 以下本考案の一実施例の小型直流モータの組立整流子に
ついて図面を参照しながら説明する。Embodiment An assembled commutator for a small DC motor according to an embodiment of the present invention will be described below with reference to the drawings.
第１図は、本考案の一実施例における組立整流子の分解
立体図を示すものである。第１図において、１−ａは樹
脂成形品でなる円筒状の整流子本体、１−ｂは複数の整
流子片、１−ｃは圧入リングファイバー、１−ｄは整流
子本体頭部に一体に形成した油切りで、整流子片の円弧
部外径より大径に形成している。FIG. 1 is an exploded perspective view of an assembled commutator according to an embodiment of the present invention. In FIG. 1, 1-a is a cylindrical commutator body made of a resin molded product, 1-b is a plurality of commutator pieces, 1-c is a press-fitted ring fiber, and 1-d is integral with the head of the commutator body. With the oil drainer formed in the above, the diameter is formed larger than the outer diameter of the arc portion of the commutator piece.
第２図は、モータ全体の構造断面図で、整流子以外は従
来の構成と同一となっている。FIG. 2 is a structural sectional view of the entire motor, which has the same structure as the conventional one except for the commutator.
以上のように構成された小形直流モータの組立整流子に
ついて以下第１図及び第２図を用いて動作を説明する。The operation of the assembled commutator of the compact DC motor configured as described above will be described below with reference to FIGS. 1 and 2.
まず、整流子片の円弧部外径よりも大きい円板状の油切
り１−ｄを一体樹脂成形された整流子本体１−ａに、複
数の整流子片１−ｂを矢印方向に挿入し、さらに整流子
片１−ｂを固定するため、圧入リングファイバー１−ｃ
を矢印方向に圧入する。こうして組立られた組立整流子
をシャフト４に装着する。First, a plurality of commutator pieces 1-b are inserted in the direction of the arrow into a commutator body 1-a integrally molded with a disc-shaped oil cutout 1-d having a larger outer diameter than the arc portion of the commutator piece. , Press-fit ring fiber 1-c for fixing commutator piece 1-b
Press in the direction of the arrow. The assembled commutator thus assembled is mounted on the shaft 4.
以上のように本実施例によれば、整流子本体頭部に油切
りをも一体樹脂成形にて設けることにより、後工程にて
油切り装着が不要となり、部品点数が低下する。As described above, according to the present embodiment, the oil drainer is also provided on the head portion of the commutator body by integral resin molding, so that it is not necessary to mount the oil drainer in the subsequent process, and the number of parts is reduced.
考案の効果 以上のように本考案は、樹脂成形品で成る円筒状の整流
子本体頭部に、整流子片の円弧部外径より大きい円板状
の油切りを一体成形し別部材よりなる特別な油切りを不
要としたので、部品点数が減少し、低コストの小型直流
モータを提供することができる。As described above, according to the present invention, a disc-shaped oil drainer larger than the outer diameter of the arc portion of the commutator piece is integrally formed on the head portion of the cylindrical commutator body made of a resin molded product, and is formed as a separate member. Since no special oil drainer is required, the number of parts is reduced, and a low-cost small DC motor can be provided.
第１図は本考案の一実施例における組立整流子の分解斜
視図、第２図は同組立整流子を使用したモータ全体の構
造断面図、第３図は従来の組立整流子の分解斜視図、第
４図は同組立整流子を使用したモータ全体の構造断面図
である。 １−ａ……整流子本体、１−ｂ……整流子片、１−ｃ…
…圧入リングファイバー、１−ｄ……油切り。FIG. 1 is an exploded perspective view of an assembled commutator according to an embodiment of the present invention, FIG. 2 is a structural sectional view of an entire motor using the assembled commutator, and FIG. 3 is an exploded perspective view of a conventional assembled commutator. FIG. 4 is a structural sectional view of the entire motor using the assembled commutator. 1-a ... commutator body, 1-b ... commutator piece, 1-c ...
… Press-fit ring fiber, 1-d… Oil remover.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 実開 昭52−37202（ＪＰ，Ｕ) 実開 昭57−155955（ＪＰ，Ｕ) 実開 昭56−86876（ＪＰ，Ｕ) ─────────────────────────────────────────────────── ─── Continuation of the front page (56) Bibliographic data Sho 52-37202 (JP, U) Real power Sho 57-155955 (JP, U) Real power Sho 56-86876 (JP, U)
Claims (1)
プレス加工にて形成された一部切り起こし部を有する複
数の整流子片と、前記整流子片を前記整流子本体に圧入
固定するためのリング状のファイバーとを備えた組立整
流子において、整流子本体頭部に整流子片の円弧部外径
よりも大きい円板状の油切りと、整流子片先端部が係止
される溝とを一体に成形し、整流子片は整流子本体頭部
の溝と、整流子片の一部切り起こし部に当接するリング
状のファイバーとで挟持され、かつリング状のファイバ
ーの内径部で整流子片の円弧部が軸方向に突出した一部
外径部と圧入して嵌合させ固定した小型直流モータの組
立整流子。1. A cylindrical commutator body made of a resin molded product,
An assembling commutator comprising a plurality of commutator pieces each having a partially cut-and-raised part formed by press working, and a ring-shaped fiber for press-fitting and fixing the commutator pieces to the body of the commutator. A disk-shaped oil drainer that is larger than the outer diameter of the arc portion of the commutator piece and a groove that locks the tip of the commutator piece are integrally molded in the child body head. Part of the commutator piece that is sandwiched between the groove of the part and the ring-shaped fiber that abuts against the cut-and-raised part of the commutator piece, and the arc part of the commutator piece projects in the axial direction at the inner diameter of the ring-shaped fiber. Assembled commutator for a small DC motor that is press-fitted into the diameter part to be fitted and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985028933U JPH0727816Y2 (en) | 1985-02-28 | 1985-02-28 | Small DC motor commutator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985028933U JPH0727816Y2 (en) | 1985-02-28 | 1985-02-28 | Small DC motor commutator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61144770U JPS61144770U (en) | 1986-09-06 |
| JPH0727816Y2 true JPH0727816Y2 (en) | 1995-06-21 |
Family
ID=30527276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985028933U Expired - Lifetime JPH0727816Y2 (en) | 1985-02-28 | 1985-02-28 | Small DC motor commutator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0727816Y2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5237202U (en) * | 1975-09-10 | 1977-03-16 |
-
1985
- 1985-02-28 JP JP1985028933U patent/JPH0727816Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61144770U (en) | 1986-09-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0519383B2 (en) | ||
| JPH0164961U (en) | ||
| JPS6257561U (en) | ||
| JPH0727816Y2 (en) | Small DC motor commutator | |
| JPS62149259U (en) | ||
| JPH09247906A (en) | Brush holder | |
| JPS6026543Y2 (en) | small flat motor | |
| JP2503575B2 (en) | Rotating electric machine | |
| JP2002010604A (en) | Motor | |
| JP2566152Y2 (en) | Small motor | |
| JPS6380737A (en) | Commutator of small-sized dc motor | |
| JPS6317560U (en) | ||
| JP2523504Y2 (en) | Motor mounting structure | |
| JPS59164469U (en) | Electric motor | |
| JPS5910938Y2 (en) | coreless motor | |
| JPH076693Y2 (en) | Rotating electric machine commutator mounting structure | |
| JPH02114372U (en) | ||
| JPH0417680U (en) | ||
| JP2002359946A (en) | Motor for motor-operated power steering | |
| JPS6278076U (en) | ||
| JPH02107243U (en) | ||
| JPS58222768A (en) | Dc motor | |
| JPH0288451U (en) | ||
| JPS6251953U (en) | ||
| JPS5890082U (en) | Permanent magnet stepping motor |