JP3235285B2 - Branch structure of insulated wire - Google Patents
Branch structure of insulated wireInfo
- Publication number
- JP3235285B2 JP3235285B2 JP18565093A JP18565093A JP3235285B2 JP 3235285 B2 JP3235285 B2 JP 3235285B2 JP 18565093 A JP18565093 A JP 18565093A JP 18565093 A JP18565093 A JP 18565093A JP 3235285 B2 JP3235285 B2 JP 3235285B2
- Authority
- JP
- Japan
- Prior art keywords
- wire
- wires
- crimping
- crimp
- core
- 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
Links
Landscapes
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は圧着端子の構造を改良し
た絶縁電線の分岐構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a branch structure for an insulated wire having an improved crimp terminal structure.
【０００２】[0002]
【従来の技術】絶縁電線の途中部分の絶縁被覆を剥し、
ここから他の電線を分岐状態に接続するための分岐構造
として、従来より一般的なものは図７に示したものであ
る。これは、第１の絶縁電線１の途中部分において絶縁
被覆１ａを剥して芯線１ｂを露出させると共に、他の絶
縁電線２の先端の絶縁被覆２ａを剥して芯線２ｂを露出
させ、両芯線１ｂ，２ｂを圧着端子３にて加締めて電気
的・機械的に接続状態となしたものである。この圧着端
子３は同図に示すように各芯線１ｂ，２ｂの露出幅より
も狭い幅寸法を有し、圧着端子３の両端部が絶縁被覆１
ａ，２ａにかからない状態で圧着されていた。2. Description of the Related Art Insulating wires are stripped off in the middle of an insulated wire.
FIG. 7 shows a more general branching structure for connecting other electric wires in a branched state. This means that the insulating coating 1a is peeled off in the middle of the first insulated wire 1 to expose the core wire 1b, and the insulating coating 2a at the tip of the other insulated wire 2 is peeled off to expose the core wire 2b. 2b is crimped by a crimp terminal 3 to make an electrically and mechanically connected state. The crimp terminal 3 has a width smaller than the exposed width of each core wire 1b, 2b as shown in FIG.
a and 2a.
【０００３】[0003]
【発明が解決しようとする課題】ところが、上記構成の
分岐構造では、圧着端子３の両端から延出している各芯
線１ｂ，２ｂが圧着端子３に対して自由に屈曲できるよ
うになっているため、電線１，２が繰り返し屈曲力を受
けると、圧着端子３の両端部において繰り返し屈曲する
ようになってここで芯線１ｂ，２ｂが断線してしまうこ
とがあった。However, in the branch structure having the above structure, the core wires 1b and 2b extending from both ends of the crimp terminal 3 can be freely bent with respect to the crimp terminal 3. When the electric wires 1 and 2 are repeatedly subjected to a bending force, the crimp terminals 3 are repeatedly bent at both ends, and the core wires 1b and 2b may be broken here.
【０００４】[0004]
【課題を解決するための手段】上記の目的を達成するた
めの本発明の構成は、複数本の電線の絶縁被覆を剥して
各芯線を露出させ、各芯線を圧着端子に圧着して分岐接
続を行う絶縁電線の分岐構造において、前記圧着端子
は、前記各電線のそれぞれの芯線をその露出部の寸法よ
りも短い長さで加締めて圧着する圧着接続部と、この圧
着接続部の両側から同圧着接続部の幅寸法の範囲内でか
つ前記電線の長さ方向へ向けて舌片状に間欠的に延出さ
れ前記各電線の絶縁被覆を前記電線の長さ方向に沿いつ
つ挟んでこれを保持する複数本の保持片部とを備えてな
ることを特徴とするものである。In order to achieve the above-mentioned object, according to the present invention, a plurality of electric wires are stripped of insulating coating to expose each core wire, and each core wire is crimped to a crimp terminal for branch connection. In the insulated wire branching structure, the crimp terminal includes a crimp connection portion that crimps each core wire of each of the wires by crimping with a length shorter than the dimension of an exposed portion thereof, and from both sides of the crimp connection portion. intermittently extending in the crimp within the range of the width dimension of the connecting portion and tongue-like toward the length direction of the electric wire One along the insulating coating of the electric wires in the longitudinal direction of the wire
And a plurality of holding pieces for sandwiching and holding the holding pieces.
【０００５】しかし、このようにすると、今度は芯線１
ｂ，２ｂの領域が圧着端子３に覆われてしまうため、端
子３の圧着後に外から芯線１ｂ，２ｂを見ることができ
なくなる。従来のように圧着端子３の幅寸法が芯線１
ｂ，２ｂよりも狭ければ、端子３の圧着後でも外から芯
線１ｂ，２ｂを見ることができるから、仮に何らかの理
由で絶縁被覆１ａ又は２ａが剥されないまま圧着端子３
の加締めが行われても、それを容易に発見できる。しか
し、上述のように圧着端子３の幅寸法を広くして、圧着
端子３の両端部において両電線１，２の絶縁被覆１ａ，
２ａも同時に加締める構成とすると、万一、絶縁被覆１
ａ又は２ａが剥されないまま端子３の圧着が行われて
も、圧着後の目視検査によってもそれを発見できないの
である。このため、この種の分岐処理の接続信頼性を十
分に確保することができず、到底、実用化することはで
きない。However, in this case, the core wire 1
Since the regions b and 2b are covered with the crimp terminal 3, the core wires 1b and 2b cannot be seen from outside after the terminal 3 is crimped. As in the conventional case, the width of the crimp terminal 3 is
If the width is smaller than b, 2b, the core wires 1b, 2b can be seen from the outside even after the terminal 3 is crimped.
Even if caulking is performed, it can be easily found. However, as described above, the width of the crimp terminal 3 is increased, and the insulation coatings 1a,
If 2a is also crimped at the same time,
Even if the terminal 3 is crimped without a or 2a being peeled off, it cannot be found by visual inspection after crimping. For this reason, the connection reliability of this kind of branch processing cannot be sufficiently ensured, and it cannot be put to practical use at all.
【０００６】本発明は上記事情に鑑みてなされたもの
で、その目的は、芯線の断線を効果的に防止できなが
ら、分岐処理の接続信頼性を十分に確保することができ
る絶縁電線の分岐構造を提供することにある。The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a branch structure of an insulated wire capable of effectively preventing disconnection of a core wire and sufficiently securing connection reliability of branch processing. Is to provide.
【０００７】[0007]
【課題を解決するための手段】本発明の係る分岐構造
は、複数本の電線の絶縁被覆を剥して各芯線を露出さ
せ、各芯線を圧着端子にて圧着して分岐接続を行う絶縁
電線の分岐構造において、前記圧着端子は、前記各電線
のそれぞれの芯線をその露出部の寸法よりも狭い幅で加
締めて圧着する圧着接続部と、この圧着接続部の両側か
ら同圧着接続部の幅寸法の範囲内でかつ前記電線の延出
方向へ向けて舌片状に間欠的に延出され前記各電線の絶
縁被覆を前記電線の延出方向で挟んでこれを保持する複
数本の保持片部とを備えて構成したところに特徴を有す
る。According to the present invention, there is provided a branching structure of an insulated electric wire in which a plurality of electric wires are stripped of an insulating coating to expose each core wire, and each core wire is crimped by a crimp terminal to make a branch connection. In the branch structure, the crimp terminal includes a crimp connection portion that crimps each core wire of each of the electric wires by crimping with a width smaller than the dimension of the exposed portion, and a width of the crimp connection portion from both sides of the crimp connection portion. Extension of the wire within the dimensions
A plurality of holding pieces that are intermittently extended in a tongue-like shape toward the direction and sandwich the insulating coating of each of the wires in the extending direction of the wires and hold the same. Have.
【０００８】[0008]
【作用】各電線の芯線は圧着端子の圧着接続部にて互い
に圧着されて接続される。また、その圧着接続部の両側
から延出された保持片部が各電線の絶縁被覆を挟んでこ
れを保持するようになり、各電線の圧着端子に対する屈
曲が制約されるから、芯線が圧着端子の両端部において
繰り返し屈曲されることが防止される。しかも、保持片
部は圧着接続部から複数本が舌片状に間欠的に延出され
た形態であるから、各保持片部間には隙間が形成されて
おり、その隙間から電線の芯線を目視して確認すること
ができる。The core wires of the electric wires are crimped and connected to each other at the crimp connection portion of the crimp terminal. In addition, since the holding pieces extending from both sides of the crimp connection portion hold the insulation covering of each wire with the insulation covering of each wire interposed therebetween, the bending of each wire with respect to the crimp terminal is restricted. Is prevented from being repeatedly bent at both ends. In addition, since a plurality of holding pieces are intermittently extended in a tongue shape from the crimp connection part, a gap is formed between the holding pieces, and a core wire of the electric wire is formed from the gap. It can be confirmed visually.
【０００９】[0009]
【発明の効果】以上述べたように、本発明の分岐構造に
よれば、各電線の圧着端子に対する屈曲変形が抑えられ
て芯線の繰り返し屈曲が防止されるから、芯線の断線を
防止でき、しかも、保持片部間の隙間から芯線を目視で
きるため、端子圧着後に外から芯線を確認してその圧着
作業が確実に行われていることを容易に確認することが
できる。As described above, according to the branch structure of the present invention, the bending deformation of each electric wire with respect to the crimp terminal is suppressed, and the repetitive bending of the core wire is prevented. Since the core wire can be visually observed from the gap between the holding pieces, the core wire can be checked from the outside after the terminal is crimped, and it can be easily confirmed that the crimping operation is reliably performed.
【００１０】[0010]
【実施例】以下本発明の一実施例について図１ないし図
６を参照して説明する。この実施例は第１の絶縁電線１
１の途中部分から第２の絶縁電線１２を分岐する場合の
構成を示している。第１の絶縁電線１１の途中部分は図
１及び図２に示すように絶縁被覆１１ａが所定の長さで
剥され芯線１１ｂが長さＬ1 の寸法だけ露出し、第２の
絶縁電線１２の先端部分はやはりその絶縁被覆１２ａが
所定の長さで剥されて芯線１２ｂが長さＬ2 の寸法だけ
露出している。DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. In this embodiment, the first insulated wire 1
1 shows a configuration in the case where the second insulated wire 12 is branched from an intermediate portion of the first insulated wire 1. The middle portion of the first insulated wire 11 is, as shown in FIGS. 1 and 2, the insulating coating 11a is peeled off at a predetermined length , the core wire 11b is exposed by the length L1, and the tip of the second insulated wire 12 is exposed. The insulating coating 12a is also peeled off at a predetermined length , and the core wire 12b is exposed by the length L2.
【００１１】一方、加締め前の圧着端子１３は図５に示
すような形状で、帯状の圧着接続部１４の両側から、こ
の圧着接続部の幅寸法（電線の延長方向と直交する方
向）の範囲内で、舌片状に３対の保持片部１５を間欠的
に延出した構成である。その圧着接続部１４の長さ寸法
ｗ（電線の延長方向に沿う方向）は、前記芯線１１ｂ，
１２ｂの露出寸法Ｌ1 ，Ｌ2 よりも短く（ｗ＜Ｌ1，ｗ
＜Ｌ2）設定されている。また、保持片部１５の長さ寸
法は、それらの先端が絶縁被覆１１ａ，１２ａまで届い
て、これらを挟むような長さに設定されている。Meanwhile, the crimp terminal 13 before caulking in shape as shown in FIG. 5, from both sides of the strip-shaped crimp connection 14, this
Width dimension of crimp connection part (the direction orthogonal to the wire extension direction)
3) , three pairs of holding pieces 15 are intermittently extended in a tongue shape. The length dimension w (the direction along the extension direction of the electric wire) of the crimp connection portion 14 is the same as that of the core wire 11b,
12b is shorter than the exposure dimensions L1, L2 (w <L1, w
<L2) is set. The length of the holding pieces 15 is set such that their tips reach the insulating coatings 11a and 12a and sandwich them.
【００１２】本実施例の圧着端子１３を利用して分岐処
理を行うには、まず各絶縁電線１１，１２の被覆１１
ａ，１２ａを剥し、周知の加締め装置にセットした圧着
端子１３上に宛がう。そして、加締め装置の加締め機構
を作動させると、図６に示すように、上型１６及び下型
１７の間で圧着端子１３の圧着接続部１４及び保持片部
１５が加締められる。この結果、図１ないし図４に示す
ように、圧着接続部１４によって芯線１１ｂ，１２ｂが
加締められて両電線１１，１２が電気的な接続状態とな
り（図３参照）、これと同時に、圧着接続部１４の両側
の保持片部１５により両絶縁被覆１１ａ，１２ａが挟み
付けられて（図４参照）、絶縁被覆１１ａ，１２ａが圧
着端子３に対しても固定状態になる。In order to perform the branching process using the crimp terminal 13 of the present embodiment, first, the covering 11
a, 12a are peeled off, and are applied to the crimp terminal 13 set in a known caulking device. When the caulking mechanism of the caulking device is operated, the crimp connection portion 14 and the holding piece 15 of the crimp terminal 13 are caulked between the upper mold 16 and the lower mold 17 as shown in FIG. As a result, as shown in FIGS. 1 to 4, the core wires 11 b and 12 b are crimped by the crimp connection portion 14, and the electric wires 11 and 12 are electrically connected (see FIG. 3). The two insulating coatings 11a and 12a are sandwiched by the holding pieces 15 on both sides of the connecting portion 14 (see FIG. 4), and the insulating coatings 11a and 12a are also fixed to the crimp terminal 3.
【００１３】このような構造とすれば、圧着接続部１４
の両側から延出された各保持片部１５が各電線１１，１
２の絶縁被覆１１ａ，１２ａを挟んでこれを保持するよ
うになるから、各電線１１，１２の圧着端子１３に対す
る屈曲が制約される。このため、たとえ各電線１１，１
２に屈曲力が繰り返し作用したとしても、各芯線１１
ｂ，１２ｂが圧着端子１３に対して自由に屈曲すること
がなくなり、圧着端子３の両端部において芯線１１ｂ，
１２ｂが断線することを未然に防止することができる。
しかも、このように各電線１１，１２の絶縁被覆１１
ａ，１２ａを保持する構成であっても、その保持片部１
５は圧着接続部１４から複数本が舌片状に間欠的に延出
された形態であるから、各保持片部１５間には隙間が形
成されており、その隙間を通して芯線１１ｂ，１２ｂを
目視することができる（図１及び図２参照）。従って、
万一、電線１１，１２の絶縁被覆１１ａ又は１２ａが剥
されないまま圧着端子１３の圧着が行われた場合には、
圧着後の目視検査によって保持片部１５間の隙間からそ
の絶縁被覆１１ａ，１２ａが見えることになるから、そ
の異常を直ちに発見することができ、不良発生に対して
適切な処置をとることができるようになる。これにて、
この種の分岐処理の接続信頼性を十分に確保することが
できものである。With such a structure, the crimp connection portion 14
Each holding piece 15 extending from both sides of the
Since the two insulating coatings 11a and 12a are sandwiched and held, the bending of the wires 11 and 12 with respect to the crimp terminal 13 is restricted. For this reason, even if each electric wire 11, 1
2 even if the bending force repeatedly acts on each core wire 11
b, 12b are no longer bent freely with respect to the crimp terminal 13, and the core wires 11b,
12b can be prevented from being disconnected.
In addition, as described above, the insulating coating 11
a, 12a, the holding piece 1
5 is a form in which a plurality of pieces are intermittently extended from the crimp connection part 14 in a tongue shape, so that a gap is formed between the holding pieces 15 and the core wires 11b and 12b are visually observed through the gap. (See FIGS. 1 and 2). Therefore,
If the crimp terminal 13 is crimped without removing the insulating coatings 11a or 12a of the wires 11 and 12,
Since the insulating coatings 11a and 12a can be seen from the gap between the holding pieces 15 by visual inspection after crimping, the abnormality can be immediately found, and appropriate measures can be taken against the occurrence of defects. Become like With this,
The connection reliability of this type of branch processing can be sufficiently ensured.
【００１４】なお、本発明は上記し且つ図面に示す実施
例に限定されるものではなく、要旨を逸脱しない範囲内
で種々変更して実施することができるThe present invention is not limited to the embodiment described above and shown in the drawings, but can be implemented with various modifications without departing from the scope of the invention.
【図１】本発明の一実施例を示す斜視図FIG. 1 is a perspective view showing an embodiment of the present invention.
【図２】同一部破断して示す側面図FIG. 2 is a side view showing the same part cut away.
【図３】図２のIII−III線に沿って示す断面図FIG. 3 is a sectional view taken along the line III-III in FIG. 2;
【図４】図２のIV−IV線に沿って示す断面図FIG. 4 is a sectional view taken along the line IV-IV in FIG. 2;
【図５】加締め前の圧着端子を示す斜視図FIG. 5 is a perspective view showing a crimp terminal before crimping.
【図６】加締め工程を示す圧着装置の断面図FIG. 6 is a cross-sectional view of a crimping device showing a caulking process.
【図７】従来の分岐構造を示す平面図FIG. 7 is a plan view showing a conventional branch structure.
１１，１２…絶縁電線 １１ａ，１２ａ…絶縁被覆 １１ｂ，１２ｂ…芯線 １３…圧着端子 １４…圧着接続部 １５…保持片部 11, 12: insulated wires 11a, 12a: insulating coating 11b, 12b: core wire 13: crimp terminal 14: crimp connection part 15: holding piece
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭47−20736（ＪＰ，Ａ) 実開 昭57−14371（ＪＰ，Ｕ) 特公 昭45−20870（ＪＰ，Ｂ１) (58)調査した分野(Int.Cl.7，ＤＢ名) H01R 4/00 H01R 4/18 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-47-20736 (JP, A) JP-A-57-14371 (JP, U) JP-B-45-20870 (JP, B1) (58) Field (Int.Cl. 7 , DB name) H01R 4/00 H01R 4/18
Claims (1)
を露出させ、各芯線を圧着端子に圧着して分岐接続を行
う絶縁電線の分岐構造において、 前記圧着端子は、前記各電線のそれぞれの芯線をその露
出部の寸法よりも短い長さで加締めて圧着する圧着接続
部と、この圧着接続部の両側から同圧着接続部の幅寸法
の範囲内でかつ前記電線の長さ方向へ向けて舌片状に間
欠的に延出され前記各電線の絶縁被覆を前記電線の長さ
方向に沿いつつ挟んでこれを保持する複数本の保持片部
とを備えてなることを特徴とする絶縁電線の分岐構造。1. A branch structure of an insulated wire in which a plurality of wires are stripped of an insulating coating to expose each core wire, and each core wire is crimped to a crimp terminal to perform branch connection. A crimping connection for crimping and crimping each of the core wires with a length shorter than the dimension of the exposed portion, and a longitudinal direction of the electric wire within a width dimension of the crimping connection from both sides of the crimping connection issued intermittently extends in the tongue-shaped towards the length of the wire insulation coating of the electric wires
A branch structure for an insulated wire, comprising: a plurality of holding pieces that are sandwiched and held along a direction .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18565093A JP3235285B2 (en) | 1993-06-28 | 1993-06-28 | Branch structure of insulated wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18565093A JP3235285B2 (en) | 1993-06-28 | 1993-06-28 | Branch structure of insulated wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0722075A JPH0722075A (en) | 1995-01-24 |
| JP3235285B2 true JP3235285B2 (en) | 2001-12-04 |
Family
ID=16174481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18565093A Expired - Fee Related JP3235285B2 (en) | 1993-06-28 | 1993-06-28 | Branch structure of insulated wire |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3235285B2 (en) |
-
1993
- 1993-06-28 JP JP18565093A patent/JP3235285B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0722075A (en) | 1995-01-24 |
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