JP2000251959A - Terminal connecting structure of electric wire - Google Patents
Terminal connecting structure of electric wireInfo
- Publication number
- JP2000251959A JP2000251959A JP11047010A JP4701099A JP2000251959A JP 2000251959 A JP2000251959 A JP 2000251959A JP 11047010 A JP11047010 A JP 11047010A JP 4701099 A JP4701099 A JP 4701099A JP 2000251959 A JP2000251959 A JP 2000251959A
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- electric wire
- conductor
- groove
- inner conductor
- 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.)
- Withdrawn
Links
Landscapes
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、電線の導体を端子
に接続するに際して、接続の安定、特に接続抵抗値の安
定を図れるようにした電線の端子接続構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric wire terminal connection structure which is capable of stabilizing the connection when connecting a conductor of the electric wire to a terminal, and in particular, stabilizing a connection resistance value.
【０００２】[0002]
【従来の技術】従来、図４（ａ）に示すように、シール
ド電線（同軸ケーブル）１の端末を内導体２と内導体被
覆（誘電体）３とシールド層４とが露出するように皮剥
ぎすると共に、内導体端子６を外導体端子７内に絶縁体
８を介して圧入してなるコネクタ用端子９を用意して、
シールド電線１の内導体２をコネクタ用端子９の内導体
端子６のバレル６ａの間にセットし、シールド層４を外
導体端子７の前バレル７ａの間にセットし、外被５を外
導体端子７の後バレル７ｂの間にセットした後に、図４
（ｂ）に示すように、各バレル６ａ，７ａ，７ｂを一括
してかしめるようにしたシールド電線の端子接続構造が
提案されている。2. Description of the Related Art Conventionally, as shown in FIG. 4A, a terminal of a shielded electric wire (coaxial cable) 1 is covered so that an inner conductor 2, an inner conductor coating (dielectric) 3, and a shield layer 4 are exposed. While stripping, a connector terminal 9 was prepared by press-fitting the inner conductor terminal 6 into the outer conductor terminal 7 via the insulator 8.
The inner conductor 2 of the shielded electric wire 1 is set between the barrels 6a of the inner conductor terminals 6 of the connector terminals 9, the shield layer 4 is set between the front barrels 7a of the outer conductor terminals 7, and the outer jacket 5 is formed of the outer conductor. After being set between the barrels 7b after the terminals 7, FIG.
As shown in (b), there has been proposed a terminal connection structure of a shielded electric wire in which each of the barrels 6a, 7a, 7b is swaged at one time.
【０００３】また、具体的に図示しないが、電線を被覆
とともに端子のバレルで圧着した後に、被覆ごと電線の
導体と端子とをレーザー溶接で接続する構造も実用化さ
れている。[0003] Although not specifically shown, a structure has been put into practical use in which after the electric wire is crimped together with the coating with a terminal barrel, the conductor of the electric wire and the terminal together with the coating are connected by laser welding.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、前者の
構造では、シールド電線１の細線化、コネクタ用端子９
の小型化に伴って、内導体２の内導体端子６のバレル６
ａによる圧着接続では接続の安定、特に接続抵抗値の安
定を図りにくいという問題があった。However, in the former structure, the shielded electric wire 1 is made thinner, and the terminal 9 for the connector is used.
Of the inner conductor terminal 6 of the inner conductor 2
The crimping connection by a has a problem that it is difficult to stabilize the connection, especially the connection resistance value.
【０００５】また、後者の構造では、高エネルギーのレ
ーザービームにより被覆が気化することで、溶融金属ま
で吹き飛ばすために、溶接性に問題が生じる。[0005] In the latter structure, the coating is vaporized by the high energy laser beam, so that the molten metal is blown off, which causes a problem in weldability.
【０００６】本発明は、上記問題を解決するためになさ
れたもので、電線の導体を端子に接続するに際して、接
続の安定、特に接続抵抗値の安定を図れるようにした電
線の端子接続構造を提供することを目的とするものであ
る。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem. In connecting a conductor of an electric wire to a terminal, the present invention provides an electric wire terminal connection structure capable of stabilizing the connection, particularly the connection resistance. It is intended to provide.
【０００７】[0007]
【課題を解決するための手段】上記課題を解決するため
に、本発明は、電線の導体を端子に接続する構造であっ
て、電線の被覆を剥がして露出させた導体を上方から圧
接状態で嵌め込み可能な溝を端子に形成して、この溝に
導体を嵌め込んで、導体の外面と端子の溝の内面との境
部分をレーザーで溶接したことを特徴とする電線の端子
接続構造を提供するものである。SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention relates to a structure for connecting a conductor of an electric wire to a terminal. A terminal connection structure for an electric wire, characterized in that a groove capable of being fitted is formed in a terminal, a conductor is fitted in the groove, and a boundary portion between an outer surface of the conductor and an inner surface of the groove of the terminal is welded by laser. Is what you do.
【０００８】本発明によれば、端子に形成した溝に、電
線の被覆を剥がして露出させた導体を上方から圧接状態
で嵌め込んだ後に、導体の外面と端子の溝の内面との境
部分をレーザーで溶接することにより、このレーザー溶
接した部分は圧着でも圧接でも無く金属結合されている
から、電線が細線化、コネクタ用端子が小型化したとし
ても、接続抵抗値が安定するようになる。また、被覆ご
と電線の導体と端子とをレーザー溶接で接続するもので
はなく、被覆を剥がした導体と端子とをレーザー溶接す
るから、溶融金属を吹き飛ばすことなく、被覆も損傷す
ることなく、安定した接続抵抗値で溶接性にも問題なく
接続することができる。According to the present invention, after the conductor exposed by stripping the electric wire is fitted into the groove formed in the terminal in a press-contact state from above, the boundary between the outer surface of the conductor and the inner surface of the groove of the terminal is formed. By laser welding, the laser-welded part is metal-bonded without crimping or crimping, so even if the wire becomes thinner and the connector terminal becomes smaller, the connection resistance value will be stable . In addition, since the conductor and terminal of the electric wire are not connected by laser welding together with the coating, the conductor and the terminal where the coating has been peeled are laser-welded, so that the molten metal is not blown away, the coating is not damaged, and the coating is stable. Connection can be made without any problem in weldability by the connection resistance value.
【０００９】請求項２のように、上記端子に、電線の被
覆を上方から圧接状態で嵌め込み可能なＵ字状の溝を形
成した構成であると、電線の被覆とともに露出させた導
体を位置決めできるから、レーザー溶接作業を安定に行
えるようになる。According to a second aspect of the present invention, when the terminal is formed with a U-shaped groove into which the covering of the electric wire can be fitted in a press-contact state from above, the conductor exposed together with the covering of the electric wire can be positioned. Therefore, the laser welding operation can be stably performed.
【００１０】請求項３のように、上記電線はシールド電
線であり、導体は内導体であり、被覆は、内導体被覆で
ある構成に好適に採用することができる。[0010] According to a third aspect of the present invention, the electric wire is a shielded electric wire, the conductor is an inner conductor, and the coating can be suitably adopted in a configuration in which the inner conductor is coated.
【００１１】[0011]
【発明の実施の形態】以下、本発明の実施の形態を図面
を参照して詳細に説明する。なお、従来技術と同一構成
・作用の箇所は同一番号を付して詳細な説明は省略す
る。Embodiments of the present invention will be described below in detail with reference to the drawings. Note that the same components and operations as those in the conventional art are denoted by the same reference numerals, and detailed description is omitted.
【００１２】図２及び図３に示すように、端子１０は底
壁１０ａと両側壁１０ｂ，１０ｃとを備え、両側壁１０
ｂ，１０ｃの間の前位置には、シールド電線１の内導体
被覆３を剥がして露出させた内導体２を上方から圧接状
態で嵌め込み可能な細幅溝１０ｄを形成すると共に、両
側壁１０ｂ，１０ｃの間の後位置には、シールド電線１
の内導体被覆３を上方から圧接状態で嵌め込み可能な広
幅溝１０ｅを形成する。なお、これらの溝１０ｄ，１０
ｅは、それぞれ被覆を切り裂く必要が無いことから、い
わゆる圧接刃ではない。As shown in FIGS. 2 and 3, the terminal 10 has a bottom wall 10a and both side walls 10b and 10c.
A narrow groove 10d is formed at a front position between the side walls 10b and 10c so that the inner conductor 2 of the shielded electric wire 1 that is peeled off and exposed can be fitted in a press-contact state from above. In the rear position between 10c, shielded wire 1
A wide groove 10e into which the inner conductor coating 3 can be fitted in a press-contact state from above is formed. Note that these grooves 10d, 10d
e is not a so-called press-contact blade because it is not necessary to cut the coating.
【００１３】具体的には、図２（ｂ）に示すように、展
開状態の端子１０の底壁１０ａの前位置に、狭幅溝１０
ｄを形成した後向きＵ字状の切り込み１０ｆを設けると
共に、広幅溝１０ｅを形成した前向きＵ字状の切り込み
１０ｇを設ける。More specifically, as shown in FIG. 2B, a narrow groove 10 is provided at a position in front of a bottom wall 10a of the terminal 10 in an unfolded state.
In addition to providing a rearward U-shaped notch 10f in which d is formed, a forward U-shaped notch 10g in which a wide groove 10e is formed is provided.
【００１４】これらの各溝１０ｄ，１０ｅは、両側壁１
０ｂ，１０ｃを立ち上げ加工するときに、図２（ａ）及
び図３の示したように、Ｕ字状の切り込み１０ｆから狭
幅溝１０ｄを含む前片部１０ｈを後方に立ち上げると共
に、Ｕ字状の切り込み１０ｇから広幅溝１０ｅを含む後
片部１０ｉを前方に立ち上げる。Each of these grooves 10d and 10e is formed on both side walls 1
As shown in FIGS. 2A and 3, the front piece 10 h including the narrow groove 10 d is raised rearward from the U-shaped cut 10 f when the 0 b and 10 c are raised and processed. The rear piece 10i including the wide groove 10e is raised forward from the letter-shaped cut 10g.
【００１５】そして、各片部１０ｈ，１０ｉの上端にそ
れぞれ形成した突起１０ｊを両側壁１０ｂ，１０ｃの上
端にそれぞれ形成した溝部１０ｋに嵌め込むことによ
り、両側壁１０ｂ，１０ｃの間で各片部１０ｈ，１０ｉ
が立ち上がり状態で保持されるようになる。The protrusions 10j formed on the upper ends of the pieces 10h and 10i are fitted into the grooves 10k formed on the upper ends of the side walls 10b and 10c, respectively, so that the respective pieces between the side walls 10b and 10c are formed. 10h, 10i
Is maintained in the rising state.
【００１６】図１に示すように、前片部１０ｈの狭幅溝
１０ｄに、シールド電線１の内導体被覆３を剥がして露
出させた内導体２を上方から圧接状態で嵌め込むと共
に、後片部１０ｉの広幅溝１０ｅに、内導体被覆３を圧
接状態で嵌め込む。As shown in FIG. 1, the inner conductor 2 exposed by peeling the inner conductor coating 3 of the shielded wire 1 is fitted into the narrow groove 10d of the front piece 10h in a press-contact state from above, and the rear piece is inserted. The inner conductor coating 3 is fitted into the wide groove 10e of the portion 10i in a pressure-contact state.
【００１７】その後、図１（ｂ）のように、内導体２の
外面と端子１０の狭幅溝１０ｄの内面との境部分をレー
ザービームＬＢで溶接ａをする。なお、図１（ｃ）のよ
うに、内導体被覆３の外面と端子１０の広幅溝１０ｅの
内面との境部分はレーザー溶接しない。After that, as shown in FIG. 1B, the boundary between the outer surface of the inner conductor 2 and the inner surface of the narrow groove 10d of the terminal 10 is welded by a laser beam LB. As shown in FIG. 1C, the boundary between the outer surface of the inner conductor coating 3 and the inner surface of the wide groove 10e of the terminal 10 is not laser-welded.
【００１８】上記構成であれば、端子１０に形成した細
幅溝１０ｄに、シールド電線１の内導体被覆３を剥がし
て露出させた内導体２を上方から圧接状態で嵌め込んだ
後に、内導体２の外面と溝１０ｄの内面との境部分をレ
ーザービームＬＢで溶接ａをすることにより、このレー
ザー溶接した部分ａは、従来のような圧着でも圧接でも
無く、溶接によって金属結合されているから、シールド
電線１が細線化、端子１０が小型化したとしても、接続
抵抗値が安定するようになる。With the above structure, the inner conductor 2, which is obtained by peeling the inner conductor coating 3 of the shielded wire 1 and exposing it into the narrow groove 10d formed in the terminal 10 from above, is pressed into contact with the inner conductor 2. Since the laser beam LB is used to weld the boundary portion between the outer surface of the groove 2 and the inner surface of the groove 10d with the laser beam LB, the laser welded portion a is not crimped or press-welded as in the related art, but is metal-bonded by welding. Even if the shield wire 1 is made thinner and the terminal 10 is made smaller, the connection resistance becomes stable.
【００１９】また、従来のように、内導体被覆３ごとシ
ールド電線１の内導体２と端子１０とをレーザー溶接で
接続するものではなく、内導体被覆３を剥がした内導体
２と端子１０とをレーザー溶接ａするから、溶融金属を
吹き飛ばすことなく、被覆も損傷することなく、安定し
た接続抵抗値で溶接性にも問題なく接続することができ
る。Also, unlike the prior art, the inner conductor 2 of the shielded electric wire 1 and the terminal 10 are not connected together with the inner conductor coating 3 by laser welding, but the inner conductor 2 and the terminal 10 with the inner conductor coating 3 peeled off. Is welded by laser a, so that the molten metal is not blown off, the coating is not damaged, and a stable connection resistance value can be obtained and the connection can be made without any problem.
【００２０】また、端子１０に、シールド電線１の内導
体被覆３を上方から圧接状態で嵌め込み可能な広幅溝１
０ｅを形成しているから、シールド電線１の内導体被覆
３とともに露出させた内導体２を位置決めできるから、
レーザー溶接作業を安定に行えるようになる。A wide groove 1 into which the inner conductor coating 3 of the shielded electric wire 1 can be fitted into the terminal 10 from above by pressing.
0e, the exposed inner conductor 2 together with the inner conductor coating 3 of the shielded wire 1 can be positioned.
Laser welding work can be performed stably.
【００２１】上記実施形態は、シールド電線１の内導体
２の端子接続構造であったが、導体を被覆した通常の電
線にも本発明が適用できることは言うまでもない。In the above embodiment, the terminal connection structure of the inner conductor 2 of the shielded electric wire 1 is used. However, it goes without saying that the present invention can be applied to a normal electric wire coated with a conductor.
【００２２】[0022]
【発明の効果】以上の説明からも明らかなように、本発
明は、端子に形成した溝に、電線の被覆を剥がして露出
させた導体を上方から圧接状態で嵌め込んだ後に、導体
の外面と端子の溝の内面との境部分をレーザーで溶接す
るようにしたから、このレーザー溶接した部分は圧着で
も圧接でも無く金属結合されているから、電線が細線
化、コネクタ用端子が小型化したとしても、接続抵抗値
が安定するようになる。また、被覆ごと電線の導体と端
子とをレーザー溶接で接続するものではなく、被覆を剥
がした導体と端子とをレーザー溶接するから、溶融金属
を吹き飛ばすことなく、被覆も損傷することなく、安定
した接続抵抗値で溶接性にも問題なく接続することがで
きる。As is clear from the above description, according to the present invention, after the conductor exposed by stripping the electric wire is inserted into the groove formed in the terminal in a press-contact state from above, the outer surface of the conductor is removed. The laser is used to weld the boundary between the terminal and the inner surface of the groove of the terminal, and this laser-welded part is metal-bonded without crimping or crimping, so the wires are thinner and the connector terminals are smaller. Thus, the connection resistance value becomes stable. In addition, since the conductor and terminal of the electric wire are not connected by laser welding together with the coating, the conductor and the terminal where the coating has been peeled are laser-welded, so that the molten metal is not blown away, the coating is not damaged, and the coating is stable. Connection can be made without any problem in weldability by the connection resistance value.
【００２３】上記端子に、電線の被覆を上方から圧接状
態で嵌め込み可能な溝を形成すると（請求項２）、電線
の被覆とともに露出させた導体を位置決めできるから、
レーザー溶接作業を安定に行えるようになる。If a groove is formed in the terminal so that the covering of the electric wire can be fitted into the terminal in a press-contact state from above, the conductor exposed together with the covering of the electric wire can be positioned.
Laser welding work can be performed stably.
【図１】 本発明の電線の接続構造であり、（ａ）は斜
視図、（ｂ）は（ａ）のＡ−Ａ線断面図、（ｃ）は
（ａ）のＢ−Ｂ線断面図である。BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a connection structure of an electric wire of the present invention, in which (a) is a perspective view, (b) is a cross-sectional view taken along line AA of (a), and (c) is a cross-sectional view taken along line BB of (a). It is.
【図２】 本発明の端子であり、（ａ）は要部斜視図、
（ｂ）は要部展開図である。FIG. 2 is a terminal of the present invention, wherein (a) is a perspective view of a main part,
(B) is a development view of a main part.
【図３】 本発明の端子であり、（ａ）は要部平面図、
（ｂ）は（ａ）の側面図、（ｃ）は（ｂ）のＣ−Ｃ線断
面図、（ｄ）は（ｂ）のＤ−Ｄ断面図である。3A and 3B are terminals of the present invention, wherein FIG.
(B) is a side view of (a), (c) is a cross-sectional view taken along line CC of (b), and (d) is a cross-sectional view of DD of (b).
【図４】 従来の電線の圧接による接続構造であり、
（ａ）は圧接前の斜視図、（ｂ）は圧接後の斜視図であ
る。FIG. 4 shows a conventional connection structure by pressure welding of electric wires,
(A) is a perspective view before pressure contact, (b) is a perspective view after pressure contact.
１ シールド電線 ２ 内導体 ３ 内導体被覆 ４ シールド層 ５ 外被 １０ 端子 １０ｄ 狭幅溝 １０ｅ 広幅溝 １０ｈ 前片部 １０ｉ 後片部 ａ 溶接 DESCRIPTION OF SYMBOLS 1 Shield electric wire 2 Inner conductor 3 Inner conductor coating 4 Shield layer 5 Jacket 10 Terminal 10d Narrow groove 10e Wide groove 10h Front half 10i Rear half a Welding
───────────────────────────────────────────────────── フロントページの続き (72)発明者 坂 喜文 愛知県名古屋市南区菊住１丁目７番10号 株式会社ハーネス総合技術研究所内 Ｆターム(参考） 5E085 BB04 BB12 CC03 DD04 DD07 EE07 FF14 FF18 FF19 HH12 JJ03 JJ32 JJ36 JJ38 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Yoshifumi Saka 1-7-10 Kikuzumi, Minami-ku, Nagoya-shi, Aichi F-term in Harness Research Institute, Inc. (reference) 5E085 BB04 BB12 CC03 DD04 DD07 EE07 FF14 FF18 FF19 HH12 JJ03 JJ32 JJ36 JJ38
Claims (3)
て、 電線の被覆を剥がして露出させた導体を上方から圧接状
態で嵌め込み可能な溝を端子に形成して、この溝に導体
を嵌め込んで、導体の外面と端子の溝の内面との境部分
をレーザーで溶接したことを特徴とする電線の端子接続
構造。1. A structure in which a conductor of an electric wire is connected to a terminal, wherein a groove is formed in the terminal so that a conductor exposed by peeling off a covering of the electric wire is fitted into the terminal in a press-contact state from above. A terminal connection structure for an electric wire, wherein a fitting is performed, and a boundary portion between an outer surface of the conductor and an inner surface of the groove of the terminal is welded by laser.
状態で嵌め込み可能な溝を形成した請求項１に記載の電
線の端子接続構造。2. The terminal connecting structure for an electric wire according to claim 1, wherein a groove is formed in said terminal so that a covering of the electric wire can be fitted in a press-contact state from above.
内導体であり、被覆は、内導体被覆である請求項１又は
請求項２に記載の電線の端子接続構造。3. The terminal connection structure for an electric wire according to claim 1, wherein the electric wire is a shielded electric wire, the conductor is an inner conductor, and the coating is an inner conductor coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11047010A JP2000251959A (en) | 1999-02-24 | 1999-02-24 | Terminal connecting structure of electric wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11047010A JP2000251959A (en) | 1999-02-24 | 1999-02-24 | Terminal connecting structure of electric wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000251959A true JP2000251959A (en) | 2000-09-14 |
Family
ID=12763211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11047010A Withdrawn JP2000251959A (en) | 1999-02-24 | 1999-02-24 | Terminal connecting structure of electric wire |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000251959A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010052949A1 (en) * | 2008-11-07 | 2010-05-14 | 住友電装株式会社 | Structure for compression terminal holding units |
| CN113437608A (en) * | 2020-03-18 | 2021-09-24 | 矢崎总业株式会社 | Method for manufacturing electric wire with terminal and electric wire with terminal |
| CN113437606A (en) * | 2020-03-18 | 2021-09-24 | 矢崎总业株式会社 | Method for manufacturing electric wire with terminal and electric wire with terminal |
| JP2022021357A (en) * | 2020-07-22 | 2022-02-03 | 矢崎総業株式会社 | Wire manufacturing method and wire manufacturing device |
-
1999
- 1999-02-24 JP JP11047010A patent/JP2000251959A/en not_active Withdrawn
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010052949A1 (en) * | 2008-11-07 | 2010-05-14 | 住友電装株式会社 | Structure for compression terminal holding units |
| CN113437608A (en) * | 2020-03-18 | 2021-09-24 | 矢崎总业株式会社 | Method for manufacturing electric wire with terminal and electric wire with terminal |
| CN113437606A (en) * | 2020-03-18 | 2021-09-24 | 矢崎总业株式会社 | Method for manufacturing electric wire with terminal and electric wire with terminal |
| JP2021150102A (en) * | 2020-03-18 | 2021-09-27 | 矢崎総業株式会社 | Manufacturing method of wire with terminal and wire with terminal |
| JP7110261B2 (en) | 2020-03-18 | 2022-08-01 | 矢崎総業株式会社 | Method for manufacturing electric wire with terminal |
| US11489306B2 (en) | 2020-03-18 | 2022-11-01 | Yazaki Corporation | Terminal-equipped electric wire manufacturing method and terminal-equipped electric wire |
| CN113437608B (en) * | 2020-03-18 | 2023-08-18 | 矢崎总业株式会社 | Method for manufacturing terminal-equipped wire and terminal-equipped wire |
| CN113437606B (en) * | 2020-03-18 | 2023-11-03 | 矢崎总业株式会社 | Method for manufacturing terminal-equipped wire and terminal-equipped wire |
| JP2022021357A (en) * | 2020-07-22 | 2022-02-03 | 矢崎総業株式会社 | Wire manufacturing method and wire manufacturing device |
| JP7225166B2 (en) | 2020-07-22 | 2023-02-20 | 矢崎総業株式会社 | Electric wire manufacturing method and electric wire manufacturing apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20060509 |