JPH05316682A - Leading-out device for lead wire of dc motor - Google Patents
Leading-out device for lead wire of dc motorInfo
- Publication number
- JPH05316682A JPH05316682A JP14632192A JP14632192A JPH05316682A JP H05316682 A JPH05316682 A JP H05316682A JP 14632192 A JP14632192 A JP 14632192A JP 14632192 A JP14632192 A JP 14632192A JP H05316682 A JPH05316682 A JP H05316682A
- Authority
- JP
- Japan
- Prior art keywords
- lead
- section
- grommet
- lead wire
- shaped
- 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
Landscapes
- Motor Or Generator Frames (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、電動機の主回路導体
に接続された外部に出されたリード線の口出部を封止し
た、直流電動機のリード線口出装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lead wire lead-out device for a DC motor, in which the lead-out portion of a lead wire connected to the main circuit conductor of the electric motor and exposed to the outside is sealed.
【０００２】[0002]
【従来の技術】図３は直流電動機部から外部にリード線
が出された、始動電動機の場合の側面図である。１は始
動電動機で、次のように構成されている。２は直流電動
機で、継鉄３の後端に後ブラケット４が結合され、前端
に中間ブラケット５を介し前ブラケット６が結合されて
いる。内部には電機子に減速歯車装置が連結され、オー
バランニングクラッチを介しピニオン１５が出されてい
る。１６は電磁スイッチで、電動機２から外部に出され
たリード線２１が、主回路端子（Ｍ端子）１７に接続さ
れている。１３は継鉄３の切欠き部にはめられ、リード
線２１を通したグロメット、１４はリード線２１にはめ
られた絶縁チューブである。2. Description of the Related Art FIG. 3 is a side view of a starting motor in which a lead wire is extended from the DC motor section to the outside. Reference numeral 1 is a starter motor, which is configured as follows. A DC motor 2 has a rear bracket 4 connected to the rear end of the yoke 3 and a front bracket 6 connected to the front end via an intermediate bracket 5. A reduction gear unit is connected to the armature inside, and a pinion 15 is output via an overrunning clutch. Reference numeral 16 is an electromagnetic switch, and a lead wire 21 extended from the electric motor 2 to the outside is connected to a main circuit terminal (M terminal) 17. Reference numeral 13 is a grommet fitted in the notch of the yoke 3, and the lead wire 21 is passed through, and 14 is an insulating tube fitted in the lead wire 21.
【０００３】図４（Ａ）は従来のリード線口出装置の断
面図である。電動機２の接続導体１０の接続部１１に撚
線からなるリード線２１の一端が接続されている。ゴム
材からなるグロメット１３を通るリード線２１は、一端
側の口出部２１ａは、図４（Ｂ）に示すように、断面形
状が偏平の長方角形に縮小整形され、電動機２に対し軸
方向に縮小している。これにより、グロメット１３は電
動機２に対し軸方向に短小にされ、電動機２の外形が軸
方向に短縮されるようにしている。上記のように整形さ
れたリード線２１はグロメット１３に通され、上方は軸
方向に折曲げられ、絶縁チューブ１４がかぶせられ、こ
の一端がグロメット１３の上端部にはめられている。FIG. 4A is a sectional view of a conventional lead wire lead-out device. One end of a lead wire 21 made of a stranded wire is connected to the connecting portion 11 of the connecting conductor 10 of the electric motor 2. As for the lead wire 21 passing through the grommet 13 made of a rubber material, the lead-out portion 21a on one end side is reduced and shaped into a rectangular parallelepiped having a flat cross section as shown in FIG. It is shrinking in the direction. As a result, the grommet 13 is shortened in the axial direction with respect to the electric motor 2, and the outer shape of the electric motor 2 is shortened in the axial direction. The lead wire 21 shaped as described above is passed through the grommet 13, the upper part is bent in the axial direction, the insulating tube 14 is covered, and one end thereof is fitted to the upper end portion of the grommet 13.
【０００４】上記リード線２１の口出部２１ａの偏平整
形及び内部導体１０との接続は、次のようにしている。
リード線２１の口出部をろう材とともに抵抗溶接によ
り、図４（Ｂ）のように押圧整形する。この口出部２１
ａの端部を、内部導体１０に接続部１１で抵抗溶接によ
り接続する。リード線２１はグロメット１３部では、ろ
う材を含んで偏平に圧縮されており、防水性にされてい
る。Flattening of the lead portion 21a of the lead wire 21 and connection with the internal conductor 10 are as follows.
The lead portion of the lead wire 21 is pressed and shaped as shown in FIG. 4B by resistance welding together with the brazing material. This mouth 21
The end of a is connected to the internal conductor 10 at the connecting portion 11 by resistance welding. The lead wire 21 is flatly compressed at the portion of the grommet 13 including the brazing material to be waterproof.
【０００５】図５（Ａ）は従来のリード線口出装置の他
の例を示す断面図である。撚線からなるリード線２１
は、一端部である口出部２１ａが図４の場合と同様な手
段で、電動機２の軸方向に対し偏平に圧縮し断面長方形
に縮小整形されている。このリード線２１は口出部２１
ａがグロメット１３に通され、上方は絶縁チューブ１４
がはめられ、この一端がグロメット１３の上端部にはめ
られている。FIG. 5A is a sectional view showing another example of a conventional lead wire lead-out device. Lead wire 21 consisting of stranded wire
In the same manner, the end portion 21a, which is one end portion, is flattened in the axial direction of the electric motor 2 by the same means as in the case of FIG. The lead wire 21 is the lead portion 21.
a is passed through the grommet 13, and the upper part is an insulating tube 14
The grommet 13 has one end fitted to the upper end thereof.
【０００６】[0006]
【発明が解決しようとする課題】上記のような従来のリ
ード線口出装置では、リード線２１の口出部２１ａをグ
ロメット１３に通すのに、グロメット１３の穴は防水上
締めしろをもたせてあるので、作業が面倒であった。ま
た、グロメット１３に通した口出部２１ａの突出長さの
ばらつきをなくし、所定長さにしなければならなく、作
業が一層面倒であるという問題点があった。In the conventional lead wire lead-out device as described above, the lead-out portion 21a of the lead wire 21 is passed through the grommet 13, but the hole of the grommet 13 is provided with a waterproof top tightening margin. Because there is, work was troublesome. Further, there is a problem that the protrusion length of the lead-out portion 21a which is passed through the grommet 13 has to be eliminated and the protrusion length has to be a predetermined length, which makes the work even more troublesome.
【０００７】この発明は、このような問題点を解決する
ためになされたもので、リード線２１の口出部がグロメ
ットに作業性よく通され、防水性、耐振性が向上し、グ
ロメットからの口出部の突出長さが所定になる直流電動
機のリード線口出装置を得ることを目的としている。The present invention has been made in order to solve such a problem, and the lead wire 21 has a lead-out portion which is passed through the grommet with good workability to improve the waterproof property and the vibration resistance. It is an object of the present invention to obtain a lead wire lead-out device for a DC motor in which the protruding length of the lead-out portion is predetermined.
【０００８】[0008]
【課題を解決するための手段】この発明にかかる直流電
動機のリード線口出装置は、リード線の一端側の口出部
を電動機の軸方向に対し偏平にした断面四角形状に縮小
整形し、この口出部を通したグロメットを一体成形した
ものである。According to the present invention, there is provided a lead wire lead-out device for a DC electric motor, wherein the lead-out end on one end side of the lead wire is reduced and shaped into a rectangular cross section flattened in the axial direction of the electric motor. The grommet that passes through this opening is integrally molded.
【０００９】[0009]
【作用】この発明においては、リード線の一端側の縮小
整形された口出部にグロメットが一体成形されており、
口出部をグロメットに通す作業が省かれ、グロメットか
らの口出部の突出が所定長さに設定され、また、外部か
らの水分の浸入が確実に防止される。In the present invention, the grommet is integrally formed on the reduced and shaped lead-out portion on one end side of the lead wire,
The work of passing the mouth portion through the grommet is omitted, the protrusion of the mouth portion from the grommet is set to a predetermined length, and intrusion of moisture from the outside is surely prevented.
【００１０】[0010]
【実施例】実施例１．図１（Ａ）は、この発明による直
流電動機のリード線口出装置の一実施例の断面図であ
る。撚線からなるリード線２１は、一端側の口出部２１
ａがろう材とともに、抵抗溶接又は超音波溶接により断
面が偏平に長方形などに押圧縮小整形されている。この
リード２１は、口出部２１ａの上方が円弧状に折曲げら
れ、折曲げ部の上部にくびれ部２１ｂが、ろう材ととも
に、あるいはろう材なしに、抵抗溶接又は超音波溶接で
断面四角形状などに押圧縮小整形されている。上記口出
部２１ａ及びくびれ部２１ｂの断面の一例を図１（Ｂ）
及び（Ｃ）に示す。このように、リード線２１は撚線で
あっても、くびれ部２１ｂを整形することにより、９０
゜など角度をつけた折曲げが確実に維持される。EXAMPLES Example 1. FIG. 1A is a sectional view of an embodiment of a lead wire lead-out device for a DC motor according to the present invention. The lead wire 21 formed of a stranded wire is the lead-out portion 21 on one end side.
A is brazed together with the brazing material and is pressed and shaped into a rectangular shape or the like with a flat cross section by resistance welding or ultrasonic welding. The lead 21 is bent in an arc shape above the lead-out portion 21a, and a constricted portion 21b is formed on the upper portion of the bent portion with a brazing filler metal or without a brazing filler metal by resistance welding or ultrasonic welding to have a rectangular cross section. It has been pressed down and shaped. FIG. 1B shows an example of a cross section of the protruding portion 21a and the constricted portion 21b.
And (C). As described above, even if the lead wire 21 is a stranded wire, the constricted portion 21b is shaped so that
Bending at an angle such as ° can be reliably maintained.
【００１１】このように成形されたリード線２１の一端
側を、グロメット成形金型（図示しない）に通し、口出
部２１ａ、くびれ部２１ｂを利用して位置決めし、ゴム
材料を成形金型に入れ一体成形しグロメット２２を形成
する。グロメット２２には合成ゴム、合成樹脂系ゴムな
どを用い、耐熱性などを要するものは、それに応じた材
料を用いる。One end side of the lead wire 21 thus molded is passed through a grommet molding die (not shown) and positioned using the mouth portion 21a and the constricted portion 21b, and the rubber material is used as the molding die. The grommets 22 are formed by putting and integrally molding. For the grommet 22, synthetic rubber, synthetic resin-based rubber, or the like is used. If heat resistance or the like is required, a material suitable for the grommet 22 is used.
【００１２】実施例２．図２はこの発明の実施例２によ
るリード線口出装置の断面図である。リード線２１の一
端側の断面長方形状に縮小整形された口出部２１ａの外
周に、耐熱性のゴム例えばポリブチレンテレフタレート
（ＰＢＴ）により成形金型（図示しない）で被覆層２３
を一体成形している。この状態のリード線２１の一端側
に、合成ゴム、合成樹脂系ゴム、熱可塑性エラストマー
などにより成形金型（図示しない）でグロメット２４を
一体成形している。これにより、耐熱性が向上される。
被覆層２３として、要求に対応するゴム材を用い、グロ
メット２４とで少なくとも２種類の成形材を重ねて成形
することにより、要求する性能に応ずることができる。Example 2. Second Embodiment FIG. 2 is a sectional view of a lead wire lead-out device according to a second embodiment of the present invention. A coating layer 23 is formed on the outer periphery of the lead-out portion 21a, which has been reduced and shaped into a rectangular cross section on one end side of the lead wire 21, with a molding die (not shown) made of heat-resistant rubber such as polybutylene terephthalate (PBT).
Is integrally molded. The grommet 24 is integrally formed on one end of the lead wire 21 in this state with a molding die (not shown) made of synthetic rubber, synthetic resin rubber, thermoplastic elastomer, or the like. Thereby, heat resistance is improved.
As the covering layer 23, a rubber material corresponding to the requirement is used, and at least two types of molding materials are overlapped with the grommet 24 to be molded, whereby the required performance can be met.
【００１３】[0013]
【発明の効果】以上のように、この発明によれば、リー
ド線の一端側の口出部を電動機の軸方向に対し偏平にし
た断面四角状に整形し、リード線の一端側にグロメット
を一体成形したので、組立ての作業性が向上し、外部か
らの確実は防水封止ができ、口出部のグロメットからの
突出長さが所定にできる。また、リード線の口出部の上
方が曲げられた場合、折曲げ部の他端部に断面四角形状
に縮小整形したくびれ部を設けることにより、リード線
の折曲げ状態が維持され一端側のグロメットの一体形成
が容易にできる。さらに、リード線の口出部に２種以上
のゴム材料を重ねてグロメットを成形することにより、
要求する性能を向上することができる。As described above, according to the present invention, the lead-out portion on one end side of the lead wire is shaped into a square cross section that is flat with respect to the axial direction of the electric motor, and the grommet is provided on the one end side of the lead wire. Since it is integrally molded, the workability of assembling is improved, the waterproof sealing can be reliably performed from the outside, and the protruding length of the protruding portion from the grommet can be made predetermined. In addition, when the lead wire above the lead-out portion is bent, the bent portion of the lead wire is maintained by providing a constricted portion with a reduced cross-section in a rectangular cross section at the other end of the bent portion. The grommet can be easily formed integrally. Furthermore, by stacking two or more types of rubber materials on the lead-out portion of the lead wire to form a grommet,
The required performance can be improved.
【図１】（Ａ）図はこの発明による始動電動機のリード
線口出装置の一実施例の断面図、（Ｂ）図は（Ａ）図の
Ｂ−Ｂ線における断面図、（Ｃ）図は（Ａ）図のＣ−Ｃ
線における断面図である。1A is a sectional view of an embodiment of a lead wire lead-out device for a starting motor according to the present invention, FIG. 1B is a sectional view taken along line BB of FIG. 1A, and FIG. Is CC in FIG.
It is sectional drawing in a line.
【図２】（Ａ）図はこの発明によるリード線口出装置の
他の実施例の断面図、（Ｂ）図は（Ａ）図のＢ−Ｂ線に
おける断面図である。FIG. 2A is a sectional view of another embodiment of the lead wire lead-out device according to the present invention, and FIG. 2B is a sectional view taken along line BB in FIG. 2A.
【図３】リード線口出装置が施された始動電動機の側面
図である。FIG. 3 is a side view of a starting electric motor provided with a lead wire lead-out device.
【図４】（Ａ）図は従来の直流電動機のリード線口出装
置の断面図、（Ｂ）図は（Ａ）図のＢ−Ｂ線における断
面図である。FIG. 4A is a sectional view of a conventional lead wire lead-out device for a DC motor, and FIG. 4B is a sectional view taken along line BB of FIG. 4A.
【図５】（Ａ）図は従来のリード線口出装置の他の例を
示す断面図、（Ｂ）図は（Ａ）図のＢ−Ｂ線における断
面図である。5A is a cross-sectional view showing another example of a conventional lead wire lead-out device, and FIG. 5B is a cross-sectional view taken along line BB in FIG. 5A.
２ 直流電動機 10 内部導体 21 リード線 21a 口出部 21b くびれ部 22、24 グロメット 23 被覆層 2 DC motor 10 Inner conductor 21 Lead wire 21a Outer part 21b Constricted part 22, 24 Grommet 23 Coating layer
─────────────────────────────────────────────────────
─────────────────────────────────────────────────── ───
【手続補正書】[Procedure amendment]
【提出日】平成５年７月２７日[Submission date] July 27, 1993
【手続補正１】[Procedure Amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】０００４[Correction target item name] 0004
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【０００４】上記リード線２１の口出部２１ａの偏平整
形及び内部導体１０との接続は、次のようにしている。
リード線２１の口出部をろう材とともに超音波溶接によ
り、図４（Ｂ）のように押圧整形する。この口出部２１
ａの端部を、内部導体１０に接続部１１で抵抗溶接によ
り接続する。リード線２１はグロメット１３部では、偏
平に圧縮されており、防水性を考慮している。Flattening of the lead portion 21a of the lead wire 21 and connection with the internal conductor 10 are as follows.
The lead portion of the lead wire 21 is pressed and shaped as shown in FIG. 4B by ultrasonic welding together with the brazing material. This mouth 21
The end of a is connected to the internal conductor 10 at the connecting portion 11 by resistance welding. Lead 21 is in the grommet 13 parts, polarized <br/> has earnestly been compressed into account the waterproof.
【手続補正２】[Procedure Amendment 2]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】０００７[Correction target item name] 0007
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【０００７】この発明は、このような問題点を解決する
ためになされたもので、リード線２１の口出部をグロメ
ットに通す必要がなく、防水性、耐振性が向上し、グロ
メットからの口出部の突出長さが所定になる直流電動機
のリード線口出装置を得ることを目的としている。[0007] The present invention has been made to solve the above problems, it is not necessary to pass the lead portion of the lead wire 21 to Gurome <br/> Tsu DOO, waterproof and vibration resistance improved The purpose of the present invention is to obtain a lead wire lead-out device for a DC motor in which the length of protrusion of the lead-out portion from the grommet is predetermined.
【手続補正３】[Procedure 3]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】０００８[Correction target item name] 0008
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【０００８】[0008]
【課題を解決するための手段】この発明にかかる直流電
動機のリード線口出装置は、リード線の一端側の口出部
を電動機の軸方向に対し偏平にした断面四角形状に縮小
整形し、この口出部をグロメットと一体成形したもので
ある。According to the present invention, there is provided a lead wire lead-out device for a DC electric motor, wherein the lead-out end on one end side of the lead wire is reduced and shaped into a rectangular cross section flattened in the axial direction of the electric motor. This protrusion is integrally formed with the grommet .
【手続補正４】[Procedure amendment 4]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】００１３[Correction target item name] 0013
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【００１３】[0013]
【発明の効果】以上のように、この発明によれば、リー
ド線の一端側の口出部を電動機の軸方向に対し偏平にし
た断面四角状に整形し、リード線の一端側にグロメット
を一体成形したので、組立ての作業性が向上し、外部か
らの確実な防水封止ができ、口出部のグロメットからの
突出長さが所定にできる。また、リード線の口出部の上
方が曲げられた場合、折曲げ部の他端部に断面四角形状
に縮小整形したくびれ部を設けることにより、リード線
の折曲げ状態が維持され一端側のグロメットの一体形成
が容易にできる。さらに、リード線の口出部に２種以上
のゴム材料を重ねてグロメットを成形することにより、
要求する性能を向上することができる。As described above, according to the present invention, the lead-out portion on one end side of the lead wire is shaped into a square cross section that is flat with respect to the axial direction of the electric motor, and the grommet is provided on the one end side of the lead wire. because integrally molded, improved workability of assembly can ensure waterproof seal from the outside, the projecting length from the lead portion of the grommet can be a predetermined. In addition, when the lead wire above the lead-out portion is bent, the bent portion of the lead wire is maintained by providing a constricted portion with a reduced cross-section in a rectangular cross section at the other end of the bent portion. The grommet can be easily formed integrally. Furthermore, by stacking two or more types of rubber materials on the lead-out portion of the lead wire to form a grommet,
The required performance can be improved.
Claims (3)
の軸方向に対し縮小した断面四角形状に整形されたリー
ド線、このリード線の口出部を囲って一体成形され、電
動機のリード引出口にはめられたグロメットを備えた直
流電動機のリード線口出装置。1. A lead wire formed of a stranded wire and having a lead-out portion on one end side shaped into a rectangular cross section which is reduced in the axial direction of the electric motor, and integrally formed by surrounding the lead-out portion of the electric wire. A lead wire outlet device for a DC motor equipped with a grommet fitted in the lead outlet of the DC motor.
の軸方向に対し縮小した断面四角形状に整形され、か
つ、上記口出部から上方が円弧状に折曲げられ、この折
曲げ部の他端部が断面四角形状に縮小整形されたリード
線、このリード線の口出部及び折曲げ部を囲って一体成
形され、電動機のリード引出口にはめられたグロメット
を備えた直流電動機のリード線口出装置。2. A stranded wire, one end side of which is shaped into a rectangular cross section which is reduced in the axial direction of the electric motor, and the upper side of which is bent into an arc shape. A direct current with a grommet that is integrally molded around the lead wire with the other end of the bent part being reduced and shaped to have a quadrangular cross section, the lead part and the bent part of the lead wire, and fitted into the lead outlet of the electric motor. Lead wire lead-out device for electric motors.
形材料を重ねグロメットを形成したことを特徴とする請
求項１又は２の直流電動機のリード線口出装置。3. A lead wire lead-out device for a DC motor according to claim 1 or 2, wherein a molding material of a kind or more surrounding the lead wire lead-out portion is laminated to form a grommet.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14632192A JP2866529B2 (en) | 1992-05-12 | 1992-05-12 | Lead wire outlet of DC motor |
| US07/009,676 US5309054A (en) | 1992-01-31 | 1993-01-27 | Leading-out device for a lead wire of a DC motor and a method of leading out a lead wire |
| DE69306004T DE69306004T2 (en) | 1992-01-31 | 1993-01-28 | Connection device for a connecting wire of a direct current motor and method for connecting a connecting wire |
| EP93101308A EP0553811B1 (en) | 1992-01-31 | 1993-01-28 | A leading-out device for a lead wire of a DC motor and a method of leading out a lead wire |
| HK98100583A HK1002417A1 (en) | 1992-01-31 | 1998-01-22 | A leading-out device for a lead wire of a dc motor and a method of leading out a lead wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14632192A JP2866529B2 (en) | 1992-05-12 | 1992-05-12 | Lead wire outlet of DC motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05316682A true JPH05316682A (en) | 1993-11-26 |
| JP2866529B2 JP2866529B2 (en) | 1999-03-08 |
Family
ID=15405030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14632192A Expired - Fee Related JP2866529B2 (en) | 1992-01-31 | 1992-05-12 | Lead wire outlet of DC motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2866529B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002216264A (en) * | 2001-01-23 | 2002-08-02 | Hochiki Corp | Waterproof construction for fire alarm facility |
| JP2012009079A (en) * | 2011-10-07 | 2012-01-12 | Hochiki Corp | Method for manufacturing heat sensor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016214034A (en) * | 2015-05-13 | 2016-12-15 | 株式会社デンソー | Rotary electric device and manufacturing method of the same |
-
1992
- 1992-05-12 JP JP14632192A patent/JP2866529B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002216264A (en) * | 2001-01-23 | 2002-08-02 | Hochiki Corp | Waterproof construction for fire alarm facility |
| JP2012009079A (en) * | 2011-10-07 | 2012-01-12 | Hochiki Corp | Method for manufacturing heat sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2866529B2 (en) | 1999-03-08 |
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