JP2953139B2 - Motor armature assembly - Google Patents

Motor armature assembly

Info

Publication number
JP2953139B2
JP2953139B2 JP26920891A JP26920891A JP2953139B2 JP 2953139 B2 JP2953139 B2 JP 2953139B2 JP 26920891 A JP26920891 A JP 26920891A JP 26920891 A JP26920891 A JP 26920891A JP 2953139 B2 JP2953139 B2 JP 2953139B2
Authority
JP
Japan
Prior art keywords
winding
wedge
slot
shaft
press
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 - Fee Related
Application number
JP26920891A
Other languages
Japanese (ja)
Other versions
JPH05111220A (en
Inventor
克敏 藤田
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP26920891A priority Critical patent/JP2953139B2/en
Publication of JPH05111220A publication Critical patent/JPH05111220A/en
Application granted granted Critical
Publication of JP2953139B2 publication Critical patent/JP2953139B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は家電機器に用いられる整
流子電動機の電機子組立体に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an armature assembly for a commutator motor used in home electric appliances.

【0002】[0002]

【従来の技術】近年、家電製品において薄型の電動機の
需要が急速に高まってきている。
2. Description of the Related Art In recent years, the demand for thin motors in home electric appliances has rapidly increased.

【0003】以下、図面を参照しながら従来の電機子組
立体の一実施例について説明する。電動機を薄型にする
にあたり、冷却用の内扇を取り付けるのは相反する事項
である。
An embodiment of a conventional armature assembly will be described below with reference to the drawings. In order to make the motor thin, it is contradictory to attach an internal fan for cooling.

【0004】図2は従来の電機子組立体の半断面図であ
る。図2において1は軸である。2は電気鋼板を積み重
ねた電機子鉄心で、軸1に圧入固定されている。3は巻
線である。4,5は電機子鉄心2と巻線3を絶縁するエ
ンドインシュレーターA,Bである。6,7は軸1と巻
線3を絶縁する軸絶縁A,Bである。8は整流子であ
り、軸1に圧入され固定されており、巻線3と結線され
ている。29は内扇であり軸1と圧入により固定されて
いる。10は電機子鉄心2のスロット内より巻線3の飛
び出しを防ぐウェッジであり、各スロットに圧入され固
定されている。
FIG. 2 is a half sectional view of a conventional armature assembly. In FIG. 2, 1 is an axis. Reference numeral 2 denotes an armature core in which electric steel sheets are stacked, and is press-fitted and fixed to the shaft 1. 3 is a winding. Reference numerals 4 and 5 denote end insulators A and B for insulating the armature core 2 and the winding 3 from each other. Reference numerals 6 and 7 denote shaft insulations A and B for insulating the shaft 1 and the winding 3 from each other. Reference numeral 8 denotes a commutator, which is press-fitted and fixed to the shaft 1 and connected to the winding 3. An inner fan 29 is fixed to the shaft 1 by press fitting. Reference numeral 10 denotes a wedge for preventing the winding 3 from jumping out of the slot of the armature core 2, and is press-fitted into each slot and fixed.

【0005】以上のように構成される電機子組立体につ
いて、以下その組立について説明する。まず軸1に電機
子鉄心2が圧入固定され、エンドインシュレーターA
4,B5及び軸絶縁A6,B7がそれぞれ圧入固定され
る。次に整流子8が軸1に圧入され、電機子鉄心2のス
ロット絶縁紙を挿入した各スロットに巻線3を行ない各
巻線と整流子8がそれぞれ結線される。そして各スロッ
トへ巻線の飛び出し防止のためウェッジ10を圧入し最
後に内扇29が圧入される。
[0005] The assembly of the armature assembly configured as described above will be described below. First, an armature core 2 is press-fitted and fixed to a shaft 1, and an end insulator A
4, B5 and shaft insulations A6, B7 are respectively press-fitted and fixed. Next, the commutator 8 is press-fitted into the shaft 1, and the winding 3 is carried out in each slot of the armature core 2 in which the slot insulating paper is inserted, and each winding is connected to the commutator 8. Then, the wedge 10 is press-fitted into each slot to prevent the winding from jumping out, and finally the inner fan 29 is press-fitted.

【0006】[0006]

【発明が解決しようとする課題】しかしながら上記のよ
うな構成では、内扇29を圧入する事により軸受間寸法
が内扇の厚み分だけどうしても長くなる事になる。又、
スロットへそれぞれ1枚ずつウェッジを挿入するため巻
線後に多くの工数がかかってしまうという問題点を有し
ていた。
However, in the above-described configuration, the press-fitting of the inner fan 29 increases the dimension between the bearings by the thickness of the inner fan. or,
Since one wedge is inserted into each slot, a lot of work is required after winding.

【0007】本発明は上記問題点に鑑み、内扇を取り付
けても軸受間寸法の増加を防ぎ、さらに巻線後に行なっ
ていたウェッジ挿入の作業をなくする事を目的とする。
SUMMARY OF THE INVENTION In view of the above problems, it is an object of the present invention to prevent an increase in dimension between bearings even when an internal fan is attached, and to eliminate a wedge insertion operation performed after winding.

【0008】[0008]

【課題を解決するための手段】上記目的を達成するため
に本発明の電機子組立体は、ウェッジと一体化した冷却
用内扇を巻線の外周に挿入するという構成を備えたもの
である。
In order to achieve the above object, an armature assembly according to the present invention has a structure in which an internal cooling fan integrated with a wedge is inserted into the outer periphery of a winding. .

【0009】[0009]

【作用】本発明は上記した構成により内扇取り付けによ
る軸受間寸法の増加を防ぐ事ができ、巻線後に行なって
いたウェッジ挿入の作業をなくす事ができる。
According to the present invention, it is possible to prevent an increase in dimension between bearings due to the mounting of the inner fan by the above-mentioned structure, and to eliminate a wedge insertion operation after winding.

【0010】[0010]

【実施例】以下本発明の一実施例の電機子組立体につい
て、図面を参照しながら説明する。
DESCRIPTION OF THE PREFERRED EMBODIMENTS An armature assembly according to one embodiment of the present invention will be described below with reference to the drawings.

【0011】図1は本発明の実施例における電機子組立
体の半断面図を示すものである。図1において、1は軸
である。2は電機鋼板を積み重ねた電機子鉄心で、軸1
に圧入固定されている。3は巻線である。4,5は電機
子鉄心2と巻線3を絶縁するエンドインシュレーター
A,Bである。6,7は軸1と巻線3を絶縁する軸絶縁
A,Bである。8は整流子であり、軸1に圧入固定さ
れ、巻線3と結線されている。9はウェッジと一体化さ
れた内扇であり、スロット数と同数のくし歯を設けてあ
る。
FIG. 1 is a half sectional view of an armature assembly according to an embodiment of the present invention. In FIG. 1, 1 is an axis. Reference numeral 2 denotes an armature iron core formed by stacking electric steel plates.
Is press-fitted and fixed. 3 is a winding. Reference numerals 4 and 5 denote end insulators A and B for insulating the armature core 2 and the winding 3 from each other. Reference numerals 6 and 7 denote shaft insulations A and B for insulating the shaft 1 and the winding 3 from each other. A commutator 8 is press-fitted and fixed to the shaft 1 and connected to the winding 3. Reference numeral 9 denotes an internal fan integrated with the wedge, which is provided with the same number of comb teeth as the number of slots.

【0012】以上のように構成される電機子組立体につ
いて、以下その組立について説明する。まず軸1に電機
子鉄心2が圧入固定され、エンドインシュレーターA
4,B5及び軸絶縁A6,B7がそれぞれ圧入固定され
る。次に整流子8が軸1に圧入固定され電機子鉄心2の
スロット絶縁紙を挿入した各スロットに巻線3を行な
い、各巻線と整流子8がそれぞれ結線される。その後ス
ロット内の巻線の飛び出しを防ぐウェッジの機能を持つ
内扇9が圧入される。
The assembly of the armature assembly configured as described above will be described below. First, an armature core 2 is press-fitted and fixed to a shaft 1, and an end insulator A
4, B5 and shaft insulations A6, B7 are respectively press-fitted and fixed. Next, the commutator 8 is press-fitted and fixed to the shaft 1 and the windings 3 are formed in the respective slots of the armature core 2 into which the slot insulating paper is inserted, and the respective windings and the commutator 8 are connected. Then
Has a wedge function to prevent windings from jumping out of the lot
The inner fan 9 is press-fitted.

【0013】[0013]

【発明の効果】以上のように、本発明は内扇を有する電
機子組立体において、内扇を巻線の外周に位置させるた
め内扇取り付け後の軸受間寸法の増加がなく、ウェッジ
と内扇を一体化させているため巻線後のウェッジ挿入の
作業をなくす事ができる。なお、本実施例では反整流子
側に内扇を取り付けているが整流子側であっても同様の
効果が得られる事は言うまでもない。
As described above, according to the present invention, in the armature assembly having the inner fan, since the inner fan is positioned on the outer periphery of the winding, the dimension between the bearings after the inner fan is attached is not increased, and the wedge and the inner arm are not increased. Since the fan is integrated, the work of inserting wedges after winding can be eliminated. In this embodiment, the anti-commutator
The inner fan is attached to the side, but the same
It goes without saying that the effect is obtained.

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

【図1】本発明の一実施例における電機子組立体の半断
面図
FIG. 1 is a half sectional view of an armature assembly according to an embodiment of the present invention.

【図2】従来の電機子組立体の半断面図FIG. 2 is a half sectional view of a conventional armature assembly;

【符号の説明】[Explanation of symbols]

1 軸 2 電機子鉄心 3 巻線 4 エンドインシュレーターA 5 エンドインシュレーターB 6 軸絶縁A 7 軸絶縁B 8 整流子 9,29 内扇 10 ウェッジ 1 shaft 2 armature core 3 winding 4 end insulator A 5 end insulator B 6 shaft insulation A 7 shaft insulation B 8 commutator 9,29 inner fan 10 wedge

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 電機子鉄心と、前記電機子鉄心の外周部
に配置され開口部を有する複数のスロットと、前記スロ
ットにスロット絶縁紙を介して巻回された巻線と、前記
巻線コイルエンドの外周側に配置された冷却用の内扇
と、前記スロットの開口部に挿入されて巻線の飛び出し
を防止するウエッジとからなり、前記冷却用内扇と前記
ウエッジとが一体に形成されていることを特徴とする電
動機の電機子組立体。
An armature core and an outer peripheral portion of the armature core
A plurality of slots arranged in the slot and having an opening;
Winding wound around a slot through a slot insulating paper;
Cooling inner fan arranged on the outer circumference of the coil end
And the coil is inserted into the opening of the slot and pops out.
And a wedge for preventing the cooling of the inner fan and the
An armature assembly for an electric motor, wherein a wedge and a wedge are integrally formed .
JP26920891A 1991-10-17 1991-10-17 Motor armature assembly Expired - Fee Related JP2953139B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP26920891A JP2953139B2 (en) 1991-10-17 1991-10-17 Motor armature assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26920891A JP2953139B2 (en) 1991-10-17 1991-10-17 Motor armature assembly

Publications (2)

Publication Number Publication Date
JPH05111220A JPH05111220A (en) 1993-04-30
JP2953139B2 true JP2953139B2 (en) 1999-09-27

Family

ID=17469181

Family Applications (1)

Application Number Title Priority Date Filing Date
JP26920891A Expired - Fee Related JP2953139B2 (en) 1991-10-17 1991-10-17 Motor armature assembly

Country Status (1)

Country Link
JP (1) JP2953139B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2835894A3 (en) * 2013-08-09 2016-05-04 Black & Decker Inc. Power tool having improved motor fan assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2835894A3 (en) * 2013-08-09 2016-05-04 Black & Decker Inc. Power tool having improved motor fan assembly

Also Published As

Publication number Publication date
JPH05111220A (en) 1993-04-30

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