JPH05343127A - Electric wire cord connecting structure to plug - Google Patents
Electric wire cord connecting structure to plugInfo
- Publication number
- JPH05343127A JPH05343127A JP14551992A JP14551992A JPH05343127A JP H05343127 A JPH05343127 A JP H05343127A JP 14551992 A JP14551992 A JP 14551992A JP 14551992 A JP14551992 A JP 14551992A JP H05343127 A JPH05343127 A JP H05343127A
- Authority
- JP
- Japan
- Prior art keywords
- conductor
- plug
- electric wire
- sheath
- cord
- 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.)
- Pending
Links
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、電気・電子機器間の接
続コードやＡＣアダプタ付きの電源コードなどとして用
いる電線コードをその端末に装着させるプラグの接続端
子に結線する電線コードの結線構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric wire cord connecting structure for connecting an electric wire cord used as a connecting cord between electric and electronic devices or a power cord with an AC adapter to a connecting terminal of a plug to be attached to the terminal. .
【０００２】[0002]
【従来の技術】携帯用のパソコンやワープロには、その
機体に設けられたピンコネクタと着脱自在に嵌合するプ
ラグを備えたＡＣアダプタ付きの電源コードやプリンタ
接続用コードなどが使用され、また、テレビゲーム機に
も，上記と同様なプラグを備えた電源コードとテレビ接
続用コードが使用されている。図２および図３は、これ
らのコード類に用いられる電線コード１の断面構造を示
し、図２のものは、軟銅撚り線で成る導体３を絶縁体４
で被覆した被覆導体２とその被覆導体２に沿って縦添え
された軟銅撚り線で成る裸導体５とが塩化ビニル等のシ
ース６で一括被覆され、また、図３のものは、前記と同
様の構造を有した被覆導体２がシールド用の編組線で成
る裸導体５’によって被包されている。図４は、プラグ
に対して図３の電線コード１を結線した従来構造を示
し、電線コード１の端末からシース６を所要長さ切除し
て剥き出した被覆導体２と裸導体５とが、軟質絶縁材料
で成るプラグ成形部品７によって電線コード１の端末に
装着するプラグ８のインナー接続端子９ａとアウター接
続端子９ｂに夫々半田付けして結線されている。なお、
インナー接続端子９ａとアウター接続端子９ｂは、絶縁
スリーブ１０の内部と外部に夫々嵌装した金属カラーで
形成されている。2. Description of the Related Art For portable personal computers and word processors, a power cord with an AC adapter or a printer connecting cord having a plug that is detachably fitted to a pin connector provided on the body is used. Also, for video game consoles, a power cord and a television connecting cord having the same plugs as those described above are used. 2 and 3 show a cross-sectional structure of an electric wire cord 1 used for these cords, and in FIG. 2, the conductor 3 made of annealed copper wire is used as an insulator 4
The coated conductor 2 covered with 1 and the bare conductor 5 made of annealed copper stranded wire vertically provided along the coated conductor 2 are collectively covered with a sheath 6 such as vinyl chloride. The covered conductor 2 having the above structure is covered with a bare conductor 5'made of a braided wire for shielding. FIG. 4 shows a conventional structure in which the electric wire cord 1 of FIG. 3 is connected to a plug, and the sheathed conductor 6 and the bare conductor 5 which are cut out by cutting a required length of the sheath 6 from the end of the electric wire cord 1 are flexible. An inner connecting terminal 9a and an outer connecting terminal 9b of a plug 8 to be attached to the end of the electric wire cord 1 are soldered and connected by a plug molded component 7 made of an insulating material. In addition,
The inner connection terminal 9a and the outer connection terminal 9b are formed of metal collars fitted inside and outside the insulating sleeve 10, respectively.
【０００３】[0003]
【発明が解決しようとする課題】ところで、テレビゲー
ム機に対して頻繁に着脱操作され、ゲーム中もそのゲー
ム機を動かすたびに引っ張られる電源コードや接続コー
ドは、プラグ成形部品７のブッシュ部１１をシース６の
上から嵌め付けた電線コード１の端末部分がブッシュ部
１１との境目部分Ａで最も大きな屈曲変形を生ずるの
で、専らその部分で導体が疲労断線して使用不能になる
と考えられていた。しかし，実際には、使用不能になる
原因がシース６の切り口から剥き出してプラグ８のアウ
ター接続端子９ｂに結線した裸導体５の断線による場合
も多いことが判明した。つまり、シース６の切り口から
剥き出してプラグ８に結線された裸導体５は、プラグ成
形部品７によってプラグ８と一体的に固定されている
が、そのプラグ成形部品７が電線コード１の屈曲に伴っ
て変形を生じたり、あるいはそのプラグ成形部品７を指
で摘んでテレビゲーム機のピンコネクタに着脱する際に
歪みを生ずると、プラグ８の後端部とシース６の切り口
との間の隙間部分Ｂに介在する裸導体５が突っ張ってプ
ラグ８の後端角部に強く圧し当たり、その角部で何度も
擦られるなどして疲労断線することが判った。By the way, the power cord and the connecting cord, which are frequently detached from the video game machine and pulled each time the game machine is moved during the game, are the bush portions 11 of the plug molding part 7. It is considered that the end portion of the electric wire cord 1 fitted with the sheath 6 on the sheath 6 undergoes the largest bending deformation at the boundary portion A with the bush portion 11, so that the conductor is exclusively broken at that portion and becomes unusable. It was However, in practice, it was found that the cause of the unusability is often the disconnection of the bare conductor 5 that is exposed from the cut end of the sheath 6 and connected to the outer connection terminal 9b of the plug 8. That is, the bare conductor 5 that is exposed from the cut end of the sheath 6 and is connected to the plug 8 is integrally fixed to the plug 8 by the plug molding component 7, and the plug molding component 7 bends with the electric wire cord 1. When the plug molded component 7 is deformed or is distorted when the plug molded component 7 is pinched with fingers and attached / detached to / from the pin connector of the video game machine, a gap between the rear end of the plug 8 and the cut end of the sheath 6 is generated. It was found that the bare conductor 5 interposed in B stretched and pressed strongly against the rear end corner portion of the plug 8 and was repeatedly rubbed at the corner portion, resulting in fatigue disconnection.
【０００４】ここで、テレビゲーム機用のコード類は、
５０００回の屈曲試験に耐えられる品質性能が要求され
るが、プラグ８を定位置に固定した状態で電線コード１
を上下左右方向に屈曲する実験によれば、図４に示すＡ
部分の裸導体５は６０００回〜７０００回以上の屈曲を
繰り返すと１００％断線し、また、そのＡ部分の裸導体
５が１００％断線したときは、同じく図４に示すＢ部分
に介在する裸導体５の断線率も４０％〜１００％に達し
ていた。この実験結果は、プラグ８の着脱操作が乱暴に
なされてその操作のたびにプラグ成形部品７が大きく歪
むなどの要因が加わればＢ部分の裸導体５がＡ部分より
も早期に断線するおそれがあることを示唆している。そ
こで本発明は、プラグ成形部品７が歪みや屈曲を生じて
もＢ部分に介在する裸導体５に対して無理な応力が加わ
らないようにすることを技術的課題としている。Here, the codes for the video game machine are
Quality performance that can withstand a bending test of 5000 times is required, but with the plug 8 fixed in place, the wire cord 1
According to an experiment in which the A is bent in the vertical and horizontal directions, A shown in FIG.
When the bare conductor 5 of the portion is repeatedly bent 6000 times to 7,000 times or more, 100% disconnection occurs, and when the bare conductor 5 of the A portion is 100% disconnected, the bare conductor 5 also exists in the B portion shown in FIG. The disconnection rate of the conductor 5 also reached 40% to 100%. This experimental result shows that if the plug 8 is loosely attached and detached and the plug molded component 7 is greatly distorted each time the plug 8 is attached, the bare conductor 5 in the B portion may be disconnected earlier than the A portion. Suggests that there is. In view of this, the present invention has a technical problem that even if the plug-molded component 7 is distorted or bent, an unreasonable stress is not applied to the bare conductor 5 interposed in the B portion.
【０００５】[0005]
【課題を解決するための手段】この課題を解決するため
に、本発明は、導体が絶縁体で被覆された被覆導体と裸
導体とをシースによって一括被覆した電線コードの端末
から前記シースを切除して剥き出された前記被覆導体と
前記裸導体が、軟質絶縁材料で成るプラグ成形部品によ
って前記電線コードの端末に装着するプラグの接続端子
に結線された電線コードの結線構造において、前記裸導
体が、前記シースの切り口と前記プラグの後端部との間
で前記被覆導体の絶縁体の周囲に緩く巻き付けるように
絡み合わせた状態で前記プラグの接続端子に結線されて
いることを特徴とする。In order to solve this problem, the present invention cuts off the sheath from the end of an electric wire cord in which a conductor and a bare conductor are covered together by an insulator. In the wire-cord connection structure in which the coated conductor and the bare conductor that are exposed as described above are connected to a connection terminal of a plug to be attached to the end of the wire cord by a plug molding component made of a soft insulating material, the bare conductor Is connected to the connection terminal of the plug in a state in which it is entwined so as to be loosely wound around the insulator of the covered conductor between the cut end of the sheath and the rear end of the plug. .
【０００６】[0006]
【作用】本発明によれば、プラグの接続端子に結線した
裸導体は、シースの切り口とプラグの後端部との間で被
覆導体の絶縁体の周囲に緩く巻き付けるように絡み合わ
されているから、その部分はあらゆる方向に曲げられて
も突っ張りを生じない程度の自由度を常に保持してい
る。すなわち、被覆導体の周りに緩く巻き付けるように
絡み合わせた裸導体は、曲げや引っ張りを許容できる螺
旋形状を成すので、プラグ成形部品の歪みや屈曲によっ
て被覆導体がいかなる方向に屈曲してもその裸導体に無
理な応力が加わるおそれは全くない。したがって、プラ
グの接続端子に結線した裸導体がプラグの後端部で強く
擦られて断線するおそれは著しく低下する。According to the present invention, the bare conductor connected to the connecting terminal of the plug is entwined so as to be loosely wound around the insulator of the covered conductor between the cut end of the sheath and the rear end of the plug. , That part always holds a degree of freedom that does not cause bracing even if it is bent in any direction. In other words, the bare conductor entwined so as to be wound around the covered conductor loosely forms a spiral shape that can be bent or pulled, so that no matter what direction the covered conductor bends due to distortion or bending of the plug-molded part, There is no risk of undue stress on the conductor. Therefore, the risk that the bare conductor connected to the connection terminal of the plug is strongly rubbed at the rear end portion of the plug to break the wire is significantly reduced.
【０００７】[0007]
【実施例】以下、本発明の実施例を図面によって具体的
に説明する。図１は本発明による電線コードの結線構造
を示す図である。Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 is a view showing a wire cord connecting structure according to the present invention.
【０００８】本発明の結線構造が図４に示す従来の結線
構造と異なるのは、裸導体５が、シース６の切り口とプ
ラグ８の後端部との間の隙間部分Ｂにおいて被覆導体２
の絶縁体４の周囲に緩く巻き付けるように絡み合わせら
れている点である。つまり、本発明では、電線コード１
の端末から従来よりも長めに裸導体５を剥き出して、そ
の裸導体５をプラグ８の接続端子９ａに結線された被覆
導体２の周りに緩く巻き付けるように絡み合わせた状態
で接続端子９ｂに結線する。そして、その状態で、電線
コード１の端末にそのコード１とプラグ８とを一体化す
るプラグ成形部品７が装着される。The connection structure of the present invention is different from the conventional connection structure shown in FIG. 4 in that the bare conductor 5 is covered with the coated conductor 2 in the gap B between the cut end of the sheath 6 and the rear end of the plug 8.
The point is that they are entwined so as to be loosely wrapped around the insulator 4. That is, in the present invention, the electric wire cord 1
The bare conductor 5 is stripped out from the end of the terminal longer than before, and the bare conductor 5 is connected to the connection terminal 9b in a state in which the bare conductor 5 is entwined so as to be loosely wound around the covered conductor 2 connected to the connection terminal 9a of the plug 8. To do. Then, in this state, the plug molding component 7 that integrates the cord 1 and the plug 8 is attached to the end of the electric wire cord 1.
【０００９】これにより、接続端子９ｂに結線した裸導
体５は、従来より長めであってもプラグ成形部品７を装
着するプラグ成形加工に支障を来すような弛みは生じな
い。また、その裸導体５には、曲げや引っ張りを許容で
きる自由度があるから、プラグ成形部品７の歪みや屈曲
によって突っ張りを生ずることもない。したがって、従
来のように裸導体５がプラグ８の後端角部で擦られるよ
うに突っ張って断線するおそれはなくなる。通常の屈曲
試験でも、５０００回の屈曲に耐えられれば充分である
ところ、その３倍以上に相当する１５０００回〜１６０
００回の屈曲を繰り返しても、シース６の切り口からプ
ラグ８の接続端子９ｂに結線した先端部分にかけての裸
導体５の断線率は全くの０％であった。As a result, even if the bare conductor 5 connected to the connection terminal 9b is longer than before, there is no slack that would interfere with the plug molding process for mounting the plug molded component 7. Further, since the bare conductor 5 has a degree of freedom that allows bending and pulling, no strain is caused by strain or bending of the plug-molded component 7. Therefore, unlike the conventional case, there is no possibility that the bare conductor 5 is stretched so as to be rubbed at the rear end corner portion of the plug 8 to be broken. Even in a normal bending test, it is sufficient if it can withstand bending of 5000 times.
Even after repeating the bending for 00 times, the disconnection rate of the bare conductor 5 from the cut end of the sheath 6 to the tip end portion connected to the connection terminal 9b of the plug 8 was completely 0%.
【００１０】なお、本発明者は、裸導体５と被覆導体２
を隙間部分Ｂで互いに撚り合わせたものについても屈曲
試験を行ってみたが、その結果は、６０００回〜８００
０回程度の屈曲で裸導体５の断線率が約１５％〜５０％
であり、従来よりも断線率が幾分低下するだけであっ
た。これは、裸導体５と被覆導体２を互いに撚り合わせ
ると、裸導体５が被覆導体２で拘束されて動きの自由度
が少なくなるからであると思われる。したがって、裸導
体５は、シース６の切り口からフラグ８の接続端子９ａ
に向かって真っ直ぐ延びた被覆導体２の周囲に緩く巻き
付けるように絡み合わせて動きの自由度を高めるのが最
も効果的である。The inventor of the present invention has found that the bare conductor 5 and the coated conductor 2 are
A bending test was also performed on a twisted part of each other in the gap B, and the result was 6000 times to 800 times.
The breaking rate of the bare conductor 5 is about 15% to 50% after bending about 0 times.
Therefore, the wire breakage rate is slightly lower than that of the conventional one. This is probably because when the bare conductor 5 and the coated conductor 2 are twisted together, the bare conductor 5 is constrained by the coated conductor 2 and the degree of freedom of movement is reduced. Therefore, the bare conductor 5 is connected to the connection terminal 9a of the flag 8 from the cut end of the sheath 6.
It is most effective to increase the degree of freedom of movement by entwining them so that they are loosely wrapped around the covered conductor 2 that extends straight toward.
【００１１】なお、裸導体５は、図２のように被覆導体
２に縦添えされた撚り線に限らず、図示は省略するが被
覆導体２の周囲に横巻きした複数本のシールド線であっ
てもよく、その場合は、シース６の切り口から剥き出さ
れたシールド線を互いに撚り合わせて１本の撚り線にし
た状態で被覆導体２の周囲に緩く巻き付けるように絡み
合わせる。また、図３のように被覆導体２を編組線で成
る裸導体５’で被包した電線コード１は、裸導体５’の
編組線を被覆導体２の先端側からシース６の切り口側に
かけて被覆導体２の周囲から剥ぎ取り、その剥ぎ取った
部分を紐状にした状態で被覆導体２の絶縁体４の周囲に
緩く巻き付けるように絡み合わせればよい。The bare conductor 5 is not limited to the stranded wire vertically attached to the covered conductor 2 as shown in FIG. 2, but is not shown, but is a plurality of shielded wires wound around the covered conductor 2 in a horizontal direction. In that case, the shield wires stripped from the cut end of the sheath 6 are twisted together to form a single twisted wire, which is loosely wound around the covered conductor 2. Further, as shown in FIG. 3, the electric wire cord 1 in which the covered conductor 2 is covered with the bare conductor 5 ′ made of a braided wire, the braided wire of the bare conductor 5 ′ is covered from the tip side of the covered conductor 2 to the cut side of the sheath 6. The conductor 2 may be stripped from the periphery, and the stripped portion may be entwined so as to be loosely wound around the insulator 4 of the covered conductor 2 in a string shape.
【００１２】[0012]
【発明の効果】本発明によれば、電線コードの端末から
剥き出してプラグの接続端子に結線した裸導体の断線率
が従来よりも大幅に低下するので、テレビゲーム機や携
帯用のパソコンおよびワープロなどの接続コードやＡＣ
アダプタ付き電源コードとして用いられるプラグ付き電
線コードの信頼性を著しく向上させることができるとい
う大変優れた効果がある。According to the present invention, the disconnection rate of the bare conductor exposed from the end of the wire cord and connected to the connection terminal of the plug is significantly lower than in the prior art. Therefore, a video game machine, a portable personal computer and a word processor. Connection cord such as AC
There is a very excellent effect that the reliability of the electric wire cord with a plug used as a power cord with an adapter can be significantly improved.
【図１】本発明による電線コードの結線構造を示す図。FIG. 1 is a diagram showing a wire cord connecting structure according to the present invention.
【図２】電線コードの断面構造を示す図。FIG. 2 is a diagram showing a cross-sectional structure of an electric wire cord.
【図３】電線コードの断面構造を示す図。FIG. 3 is a diagram showing a cross-sectional structure of an electric wire cord.
【図４】従来における電線コードの結線構造を示す図。FIG. 4 is a view showing a conventional wire cord connection structure.
１・・・電線コード ２・・・被覆導体 ３・・・導体 ４・・・絶縁体 ５・・・裸導体 ５’・・裸導体 ６・・・シース ７・・・プラグ成形部品 ８・・・プラグ ９ａ，９ｂ・・・プラグの接続端子 1 ... Wire cord 2 ... Coated conductor 3 ... Conductor 4 ... Insulator 5 ... Bare conductor 5 '... Bare conductor 6 ... Sheath 7 ... Plug molded part 8 ... .Plugs 9a, 9b ... Plug connection terminals
Claims (3)
被覆導体（２）と裸導体（５，５’）とをシース（６）
によって一括被覆した電線コード（１）の端末から前記
シース（６）を切除して剥き出された前記被覆導体
（２）と前記裸導体（５，５’）が、軟質絶縁材料で成
るプラグ成形部品（７）によって前記電線コード（１）
の端末に装着するプラグ（８）の接続端子（9a，9b）に
結線された電線コードの結線構造において、前記裸導体
（５，５’）が、前記シース（６）の切り口と前記プラ
グ（８）の後端部との間で前記被覆導体（２）の絶縁体
（４）の周囲に緩く巻き付けるように絡み合わせた状態
で前記プラグ（８）の接続端子（9b）に結線されている
ことを特徴とする電線コードの結線構造。1. A sheath (6) comprising a conductor (3) covered with an insulator (4) and a bare conductor (5, 5 ').
The sheathed conductor (2) and the bare conductor (5, 5 '), which are stripped by cutting off the sheath (6) from the end of the electric wire cord (1) collectively covered by the plug molding, are made of a soft insulating material. The electric wire cord (1) according to the component (7)
In the connection structure of the electric wire cords connected to the connection terminals (9a, 9b) of the plug (8) to be attached to the end of the above, the bare conductor (5, 5 ′) is the cut end of the sheath (6) and the plug ( 8) It is connected to the connection terminal (9b) of the plug (8) in a state in which it is entwined so as to be loosely wound around the insulator (4) of the covered conductor (2) with the rear end portion. A wire cord connection structure that is characterized in that
（２）に縦添えされた撚り線又は前記被覆導体（２）の
周囲に横巻きされた複数本のシールド線である請求項１
記載の電線コードの結線構造。2. The bare conductor (5) is a twisted wire longitudinally attached to the coated conductor (2) or a plurality of shielded wires wound around the coated conductor (2).
Connection structure of the electric wire cord described.
（２）を被包する編組線であり、当該編組線が、前記被
覆導体（２）の先端から前記シース（６）の切り口側に
かけて前記被覆導体（２）の周囲から剥ぎ取られると共
に、その剥ぎ取った部分を紐状にした状態で前記被覆導
体（２）の絶縁体（４）の周囲に緩く巻き付けるように
絡み合わされている請求項１記載の電線コードの結線構
造。3. The bare conductor (5 ′) is a braided wire that encloses the covered conductor (2), and the braided wire cuts from the tip of the covered conductor (2) to the sheath (6). It is stripped from the periphery of the coated conductor (2) toward the side, and is entangled so as to be loosely wound around the insulator (4) of the coated conductor (2) in a state where the stripped portion is in a string shape. The wire cord connecting structure according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14551992A JPH05343127A (en) | 1992-06-05 | 1992-06-05 | Electric wire cord connecting structure to plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14551992A JPH05343127A (en) | 1992-06-05 | 1992-06-05 | Electric wire cord connecting structure to plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05343127A true JPH05343127A (en) | 1993-12-24 |
Family
ID=15387110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14551992A Pending JPH05343127A (en) | 1992-06-05 | 1992-06-05 | Electric wire cord connecting structure to plug |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05343127A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103390830A (en) * | 2012-05-09 | 2013-11-13 | 住友电装株式会社 | Wire harness |
| CN106207606A (en) * | 2016-08-14 | 2016-12-07 | 牛序兰 | A kind of electric wire preventing short circuit |
-
1992
- 1992-06-05 JP JP14551992A patent/JPH05343127A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103390830A (en) * | 2012-05-09 | 2013-11-13 | 住友电装株式会社 | Wire harness |
| CN106207606A (en) * | 2016-08-14 | 2016-12-07 | 牛序兰 | A kind of electric wire preventing short circuit |
| CN106207606B (en) * | 2016-08-14 | 2018-09-07 | 重庆市鸿盛电线电缆有限公司 | A kind of electric wire preventing short circuit |
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