JP5906543B2 - Electric wire with crimp terminal - Google Patents

Electric wire with crimp terminal Download PDF

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JP5906543B2
JP5906543B2 JP2012086247A JP2012086247A JP5906543B2 JP 5906543 B2 JP5906543 B2 JP 5906543B2 JP 2012086247 A JP2012086247 A JP 2012086247A JP 2012086247 A JP2012086247 A JP 2012086247A JP 5906543 B2 JP5906543 B2 JP 5906543B2
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crimp terminal
electric wire
conductive
conductor
metal
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JP2013218814A (en
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泰徳 鍋田
泰徳 鍋田
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Yazaki Corp
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Description

本発明は、導体部に圧着端子が圧着されてなる圧着端子付き電線に関する。   The present invention relates to an electric wire with a crimp terminal in which a crimp terminal is crimped to a conductor portion.

従来、端末部に端子金具が接続される電線として、複数の金属素線が束ねられてなる導体部が、絶縁性被覆部によって覆われてなる電線の導体部に圧着端子が圧着されてなる圧着端子付き電線がある。このような、圧着端子付き電線は、金属素線の本数が増加すると、導体部の径方向内側に配置された金属素線と圧着端子との接触抵抗が増加されるという問題があり、この問題を解決するものとして、例えば特許文献１には、金属素線内部と圧着端子との接続を向上させる圧着端子付き電線が提案されている。   Conventionally, as a wire in which a terminal fitting is connected to a terminal portion, a conductor portion in which a plurality of metal strands are bundled, and a crimp terminal is crimped to a conductor portion of an electric wire covered with an insulating covering portion There are electric wires with terminals. Such an electric wire with a crimp terminal has a problem that, when the number of metal strands increases, the contact resistance between the metal strand arranged radially inside the conductor portion and the crimp terminal increases. For example, Patent Document 1 proposes an electric wire with a crimping terminal that improves the connection between the inside of the metal wire and the crimping terminal.

特許文献１に記載された圧着端子付き電線は、金属素線の束の内部に差し込まれることにより金属素線の束の内部と圧着端子の内周とを導通可能に接続する導通部材を有してなる。   The electric wire with a crimp terminal described in Patent Document 1 has a conductive member that connects the inside of the bundle of metal strands and the inner periphery of the crimp terminal by being inserted into the bundle of metal strands. It becomes.

特開２０１０−４０４７８号公報JP 2010-40478 A

しかしながら、この特許文献１に記載された圧着端子付き電線は、導通部材に直接的に接触される金属素線が導通部材の近傍に配置されたものに限られるため、束ねられる金属素線の数が多くなった場合、その他の金属素線については、導通部材あるいは圧着端子に直接的に接続され金属素線を介して接続され、接触抵抗が増加し、結果的に接続安定性が低下してしまうおそれがあった。   However, since the electric wire with a crimp terminal described in Patent Document 1 is limited to the one in which the metal wire that is in direct contact with the conducting member is disposed in the vicinity of the conducting member, the number of metal strands to be bundled When the number of metal wires increases, the other metal wires are directly connected to the conductive member or the crimp terminal and connected via the metal wires, increasing the contact resistance and consequently reducing the connection stability. There was a risk of it.

本発明は、上記に鑑みてなされたものであって、束ねられる金属素線の数が増大した場合においても圧着端子と金属素線との接続安定性の低下を防ぐ圧着端子付き電線を提供することを目的とする。   This invention is made in view of the above, Comprising: Even when the number of the metal strands bundled increases, the electric wire with a crimp terminal which prevents the fall of the connection stability of a crimp terminal and a metal strand is provided. For the purpose.

上述した課題を解決し、目的を達成するために、本発明の請求項１に係る圧着端子付き電線は、複数の金属素線が束ねられてなる導体部が絶縁被覆部によって覆われてなる電線の前記導体部に圧着端子が圧着されてなる圧着端子付き電線において、前記導体部の延在方向に直交する平面に広がって形成され、かつ一または複数本の前記金属素線が挿通可能な素線挿通孔が面内に分散配置されてなる直交面導電部を含む導電部を有してなり、前記導電部は、前記圧着端子とともに前記導体部に圧着された状態にあることを特徴とする。 In order to solve the above-described problems and achieve the object, the electric wire with a crimp terminal according to claim 1 of the present invention is an electric wire in which a conductor portion formed by bundling a plurality of metal strands is covered with an insulating coating portion. In the electric wire with a crimp terminal in which a crimp terminal is crimped to the conductor part, the element is formed so as to spread on a plane orthogonal to the extending direction of the conductor part and into which one or a plurality of the metal strands can be inserted. The wire insertion holes have conductive portions including orthogonal surface conductive portions that are dispersedly arranged in a plane, and the conductive portions are in a state of being crimped to the conductor portions together with the crimp terminals. .

また、本発明の請求項２に係る圧着端子付き電線は、上記の発明において、前記導電部は、前記直交面導電部が延在方向に沿って複数箇所に形成されてなることを特徴とする。   Moreover, the electric wire with a crimp terminal according to claim 2 of the present invention is characterized in that, in the above invention, the conductive portion is formed at a plurality of locations along the extending direction of the orthogonal surface conductive portion. .

また、本発明の請求項３に係る圧着端子付き電線は、上記の発明において、前記導電部は、前記圧着端子と一体的に設けられてなることを特徴とする。   Moreover, the electric wire with a crimp terminal according to claim 3 of the present invention is characterized in that, in the above invention, the conductive portion is provided integrally with the crimp terminal.

また、本発明の請求項４に係る圧着端子付き電線は、上記の発明において、前記素線挿通孔は、孔内径が前記金属素線挿入側の端面に向けて拡大されるように孔内面がテーパ状に形成されてなるテーパ部を有してなることを特徴とする。   In the electric wire with a crimp terminal according to claim 4 of the present invention, in the above invention, the inner surface of the wire insertion hole has an inner surface such that the inner diameter of the wire is enlarged toward the end surface on the metal wire insertion side. It has a taper part formed in a taper shape, It is characterized by the above-mentioned.

本発明の請求項１に係る圧着端子付き電線は、前記導電部の直交面導電部が前記導体部の延在方向に直交する平面に広がって形成され、かつ一または複数本の前記金属素線が挿通可能な素線挿通孔が面内に分散配置されてなるので、前記導体部の径方向内側から外側に配置されてなる各金属素線に接続されることによって、束ねられる前記金属素線の数が増大した場合においても前記圧着端子と前記金属素線との接続安定性の低下を防ぐことができる。   The electric wire with a crimp terminal according to claim 1 of the present invention is formed such that the orthogonal surface conductive portion of the conductive portion extends in a plane orthogonal to the extending direction of the conductor portion, and one or a plurality of the metal strands Since the wire insertion holes through which the wire can be inserted are distributed in the plane, the metal wires bundled by being connected to each metal wire arranged from the radially inner side to the outer side of the conductor portion Even when the number of the wires increases, it is possible to prevent the connection stability between the crimp terminal and the metal element wire from being lowered.

本発明の請求項２に係る圧着端子付き電線は、前記直交面導電部が延在方向に沿って複数箇所に形成されることによって、前記導体部の径方向内側から外側に配置されてなる各金属素線が前記直交面導電部との接続部分を増加させることができるので、前記圧着端子と前記金属素線との接続安定性の低下を防ぐ効果をより高めることができる。   The electric wire with a crimp terminal according to claim 2 of the present invention is formed by arranging the orthogonal plane conductive portions at a plurality of locations along the extending direction, thereby arranging each conductor portion from the radially inner side to the outer side. Since a metal strand can increase the connection part with the said orthogonal surface electroconductive part, the effect which prevents the fall of the connection stability of the said crimp terminal and the said metal strand can be heightened more.

本発明の請求項３に係る圧着端子付き電線は、前記導電部が前記圧着端子と一体的に設けられてなるので、前記圧着端子と前記導電部との接続安定性が向上され、結果的に前記圧着端子と前記金属素線との接続安定性の低下を防ぐ効果をより高めることができる。   In the electric wire with a crimp terminal according to claim 3 of the present invention, since the conductive portion is provided integrally with the crimp terminal, the connection stability between the crimp terminal and the conductive portion is improved, and consequently The effect which prevents the fall of the connection stability of the said crimp terminal and the said metal element wire can be heightened more.

本発明の請求項４に係る圧着端子付き電線は、前記素線挿通孔がテーパ部を有してなるので、前記素線挿通孔に前記金属素線を容易に挿通させることができる。   In the electric wire with a crimp terminal according to claim 4 of the present invention, since the strand insertion hole has a tapered portion, the metal strand can be easily inserted into the strand insertion hole.

図１は、本発明の実施例１に係る圧着端子付き電線の分解斜視図である。FIG. 1 is an exploded perspective view of an electric wire with a crimp terminal according to a first embodiment of the present invention. 図２は、図１に示した網目状の導体部が展開された状態を説明するための図である。FIG. 2 is a diagram for explaining a state in which the mesh-like conductor portion shown in FIG. 1 is developed. 図３は、図１にし示した網目状の導体部の素線挿通孔に金属素線を挿通させた状態を金属素線の先端面側から視た図である。FIG. 3 is a view of the state in which the metal strand is inserted into the strand insertion hole of the mesh-like conductor portion shown in FIG. 1 as viewed from the front end side of the metal strand. 図４は、図１に示した圧着端子付き電線の一部断面を示した側面図である。FIG. 4 is a side view showing a partial cross section of the electric wire with crimp terminal shown in FIG. 1. 図５は、図４に示した圧着端子付き電線のＡ−Ａ線断面図である。FIG. 5 is a cross-sectional view taken along line AA of the electric wire with crimp terminal shown in FIG. 4. 図６は、圧着端子付き電線の圧着端子と電線との組み付け手順を示した図である。FIG. 6 is a diagram showing a procedure for assembling the crimp terminal and the electric wire of the electric wire with the crimp terminal. 図７は、本発明の実施例１の変形例に係る圧着端子付き電線の分解斜視図である。FIG. 7 is an exploded perspective view of an electric wire with a crimp terminal according to a modification of the first embodiment of the present invention. 図８は、図７に示した圧着端子付き電線の一部断面を示した側面図である。FIG. 8 is a side view showing a partial cross section of the electric wire with crimp terminal shown in FIG. 図９は、本発明の実施例２に係る圧着端子付き電線の一部断面を示した側面図である。FIG. 9 is a side view showing a partial cross section of the electric wire with crimp terminal according to the second embodiment of the present invention. 図１０は、図９に示した、圧着端子の上面図である。10 is a top view of the crimp terminal shown in FIG. 図１１は、図１０に示した圧着端子を相手接続部とは逆側の端部から視た図である。FIG. 11 is a view of the crimp terminal shown in FIG. 10 as viewed from the end opposite to the mating connection portion. 図１２は、図１０に示した圧着端子のＡ−Ａ線断面図である。12 is a cross-sectional view of the crimp terminal shown in FIG. 図１３は、圧着端子付き電線の圧着端子と電線との組み付け手順を示した図である。FIG. 13 is a diagram illustrating a procedure for assembling the crimp terminal and the electric wire of the electric wire with the crimp terminal. 図１４は、本発明の実施例２に係る圧着端子付き電線の変形例の圧着端子を相手接続部とは逆側の端部から視た図である。FIG. 14: is the figure which looked at the crimp terminal of the modification of the electric wire with a crimp terminal which concerns on Example 2 of this invention from the edge part on the opposite side to the other party connection part. 図１５は、図１４に示した導電部のＡ−Ａ線断面図である。FIG. 15 is a cross-sectional view taken along line AA of the conductive portion shown in FIG.

以下、図面を参照して、本発明に係る圧着端子付き電線の好適な実施例を詳細に説明する。   Hereinafter, with reference to drawings, the suitable example of the electric wire with a crimp terminal concerning the present invention is described in detail.

図１は、本発明の実施例１に係る圧着端子付き電線１の分解斜視図である。図２は、図１に示した網目状の導電部３０が展開された状態を説明するための図である。図３は、図１にし示した網目状の導電部３０の素線挿通孔３１ａに金属素線１１を挿通させた状態を金属素線１１の先端面側から視た図である。図４は、図１に示した圧着端子付き電線１の一部断面を示した側面図である。図５は、図４に示した圧着端子付き電線１のＡ−Ａ線断面図である。
本発明の実施例１に係る圧着端子付き電線１は、電線１０の導体部１２に圧着端子２０が導電部３０とともに圧着されてなる。 FIG. 1 is an exploded perspective view of an electric wire 1 with a crimp terminal according to a first embodiment of the present invention. FIG. 2 is a view for explaining a state in which the mesh-like conductive portion 30 shown in FIG. 1 is developed. FIG. 3 is a view of the state in which the metal strand 11 is inserted into the strand insertion hole 31a of the mesh-like conductive portion 30 shown in FIG. FIG. 4 is a side view showing a partial cross-section of the electric wire 1 with a crimp terminal shown in FIG. FIG. 5 is a cross-sectional view taken along the line AA of the electric wire 1 with a crimp terminal shown in FIG. 4.
In the electric wire 1 with a crimp terminal according to the first embodiment of the present invention, the crimp terminal 20 is crimped to the conductor portion 12 of the electric wire 10 together with the conductive portion 30.

まず、電線１０について説明する。
電線１０は、複数の金属素線１１が束ねられてなる導体部１２が絶縁被覆部１３によって覆われてなる。
金属素線１１は、例えばアルミニウム材からなり、複数本束ねられて導体部１２として機能するようになっている。
絶縁被覆部１３は、合成樹脂等の絶縁性の材料からなり、導体部１２の外周を覆うように形成されることによって、導体部１２を絶縁可能に保護するものである。
この電線１０は、電線１０の端末部１０ａの絶縁被覆部１３が除去され、露出された導体部１２に圧着端子２０が接続されるようになっている。 First, the electric wire 10 will be described.
The electric wire 10 is configured such that a conductor portion 12 in which a plurality of metal wires 11 are bundled is covered with an insulating coating portion 13.
The metal strand 11 is made of, for example, an aluminum material, and a plurality of metal strands 11 are bundled to function as the conductor portion 12.
The insulation coating portion 13 is made of an insulating material such as a synthetic resin and is formed so as to cover the outer periphery of the conductor portion 12, thereby protecting the conductor portion 12 in an insulating manner.
In the electric wire 10, the insulation coating portion 13 of the terminal portion 10 a of the electric wire 10 is removed, and the crimp terminal 20 is connected to the exposed conductor portion 12.

次に、圧着端子２０について説明する。
圧着端子２０は、例えば銅合金の平板が所定の形状に金型プレス加工され、さらに折り曲げ加工されることによって所定の形状に形成される。この圧着端子２０は、不図示の相手接続先との接続部分となる相手接続部２１と、電線１０の露出された導体部１２に圧着されるワイヤーバレル部２２と、電線１０の絶縁被覆部１３に圧着されるインシュレーションバレル部２３とを有してなる。 Next, the crimp terminal 20 will be described.
The crimp terminal 20 is formed in a predetermined shape, for example, by pressing a copper alloy flat plate into a predetermined shape by die pressing and further bending. The crimp terminal 20 includes a mating connection portion 21 that is a connection portion with a mating connection destination (not shown), a wire barrel portion 22 that is crimped to the exposed conductor portion 12 of the electric wire 10, and an insulation coating portion 13 of the electric wire 10. And an insulation barrel portion 23 to be crimped to.

相手接続部２１は、外形円形状の平板の略中央に円形状の貫通孔２１ａが形成されてなり、この貫通孔２１ａにボルト等の固定部材が挿通されて不図示の接続先に固定されるようになっている。   The mating connection portion 21 is formed with a circular through hole 21a at the approximate center of an outer circular plate, and a fixing member such as a bolt is inserted into the through hole 21a and fixed to a connection destination (not shown). It is like that.

ワイヤーバレル部２２は、相手接続部２１とインシュレーションバレル部２３との間に形成され、圧着端子２０と導体部１２との接続がなされる部分である。このワイヤーバレル部２２は、底面を形成する壁からなる底壁部２２ａと、底壁部２２ａの両縁が起立された一対の片状壁からなる側壁部２２ｂとを有してなる。この側壁部２２ｂが圧着用の冶具を用いて内側に曲げられることによって圧着端子２０が導体部１２に圧着されるようになっている。   The wire barrel portion 22 is formed between the mating connection portion 21 and the insulation barrel portion 23 and is a portion where the crimp terminal 20 and the conductor portion 12 are connected. The wire barrel portion 22 includes a bottom wall portion 22a that is a wall that forms a bottom surface, and a side wall portion 22b that is a pair of piece-like walls in which both edges of the bottom wall portion 22a are erected. The side wall portion 22b is bent inward using a crimping jig so that the crimp terminal 20 is crimped to the conductor portion 12.

インシュレーションバレル部２３は、圧着端子２０の相手接続部２１とは逆側の端部を形成し、絶縁被覆部１３に圧着されることによって電線１０を保持する部分である。このインシュレーションバレル部２３は、ワイヤーバレル部２２の底壁部２２ａと共通の底壁部２３ａと、底壁部２３ａの両縁が起立された一対の片状側壁からなる側壁部２３ｂとを有してなる。この側壁部２３ｂが圧着用の冶具を用いて内側に曲げられることによって圧着端子２０が絶縁被覆部１３に圧着されるようになっている。   The insulation barrel portion 23 is a portion that forms the end portion of the crimp terminal 20 opposite to the mating connection portion 21 and holds the electric wire 10 by being crimped to the insulating coating portion 13. The insulation barrel portion 23 includes a bottom wall portion 23a common to the bottom wall portion 22a of the wire barrel portion 22, and a side wall portion 23b composed of a pair of piece-like side walls in which both edges of the bottom wall portion 23a are erected. Do it. The side wall portion 23b is bent inward by using a crimping jig so that the crimp terminal 20 is crimped to the insulating coating portion 13.

導電部３０は、導体部１２と圧着端子２０とを導通可能に接続させるものである。この導電部３０は、導体部１２の延在方向に直交する平面に広がって形成され、かつ一または複数本の金属素線１１が挿通可能な素線挿通孔３１ａが面内に分散配置されてなる直交面導電部３１を含む。
導電部３０は、より具体的には、導体線３１ｂが網目状に配置されてなる導電シート３１ｃが、図２に示すように、導体部１２の延在方向に直交する面を形成するように角筒状に折り曲げされてなる。
直交面導電部３１は、導体部１２の延在方向に直交する平面に導体線３１ｂが網目状に張り巡らされ、導体線３１ｂ間の隙間が素線挿通孔３１ａとして機能され、この素線挿通孔３１ａに一または複数本の金属素線１１が挿通されるようになっている。
なお、この実施例１の圧着端子付き電線１は、導電部３０が角筒状に形成されることによって、一対の直交面導電部３１が形成され、各金属素線１１がこの一対の直交面導電部３１に形成された素線挿通孔３１ａの両方の素線挿通孔３１ａに挿通されるようになっている。 The conductive part 30 connects the conductor part 12 and the crimp terminal 20 so as to be conductive. The conductive portion 30 is formed so as to extend in a plane orthogonal to the extending direction of the conductor portion 12, and the strand insertion holes 31 a into which one or a plurality of metal strands 11 can be inserted are distributed in the plane. An orthogonal plane conductive portion 31 is included.
More specifically, the conductive portion 30 is formed so that the conductive sheet 31c in which the conductor wires 31b are arranged in a mesh form a surface orthogonal to the extending direction of the conductor portion 12, as shown in FIG. It is bent into a rectangular tube shape.
In the orthogonal plane conductive portion 31, the conductor wire 31b is stretched in a mesh shape on a plane orthogonal to the extending direction of the conductor portion 12, and the gap between the conductor wires 31b functions as the strand insertion hole 31a. One or a plurality of metal strands 11 are inserted through the holes 31a.
In addition, in the electric wire 1 with a crimp terminal of the first embodiment, a pair of orthogonal surface conductive portions 31 is formed by forming the conductive portion 30 in a rectangular tube shape, and each metal element wire 11 is connected to the pair of orthogonal surfaces. The wire insertion holes 31a formed in the conductive portion 31 are inserted into both the wire insertion holes 31a.

この導電部３０は、各素線挿通孔３１ａに各金属素線１１が挿通された状態で、ワイヤーバレル部２２に圧着されることによって、複数の金属素線１１に圧着されるようになっている。
また、導電部３０は、直交面導電部３１が導体部１２の延在方向に直交する平面に広がって形成され、かつ一または複数本の金属素線１１が挿通可能な素線挿通孔３１ａが面内に分散配置されてなるので、図５に示すように、導体部３０の径方向内側から外側に配置されてなる各金属素線１１に接続されるようになっている。 The conductive portion 30 is crimped to the plurality of metal strands 11 by being crimped to the wire barrel portion 22 in a state where the respective metal strands 11 are inserted into the respective strand insertion holes 31a. Yes.
In addition, the conductive portion 30 includes a wire insertion hole 31a in which the orthogonal surface conductive portion 31 is formed so as to extend in a plane orthogonal to the extending direction of the conductor portion 12, and one or more metal wires 11 can be inserted. Since they are distributed in the plane, as shown in FIG. 5, they are connected to the respective metal wires 11 arranged from the radially inner side to the outer side of the conductor portion 30.

次に、図６を用いて圧着端子付き電線１の圧着端子２０と電線１０との組み付け手順について説明する。図６は、圧着端子付き電線１の圧着端子２０と電線１０との組み付け手順を示した図である。
まず、作業者は、導体線３１ｂが網目状に配置されてなる導電シート３１ｃを折り曲げることによって導電部３０を角筒状に成形する（図６（ａ）参照）。これにより、導体部１２の延在方向に直交する平面に導体線３１ｂが張り巡らされ、かつ素線挿通孔３１ａが面内に分散して配置される形状に導電部３０が成形される。 Next, an assembly procedure of the crimp terminal 20 and the electric wire 10 of the electric wire 1 with the crimp terminal will be described with reference to FIG. FIG. 6 is a view showing a procedure for assembling the crimp terminal 20 and the electric wire 10 of the electric wire 1 with the crimp terminal.
First, an operator forms the conductive portion 30 into a rectangular tube shape by bending a conductive sheet 31c in which the conductor wires 31b are arranged in a mesh shape (see FIG. 6A). Thus, the conductive portion 30 is formed in a shape in which the conductor wire 31b is stretched on a plane orthogonal to the extending direction of the conductor portion 12, and the strand insertion holes 31a are dispersed and arranged in the plane.

その後、作業者は、導電部３０の各素線挿通孔３１ａに各金属素線１１を挿通させる（図６（ｂ）参照）。これにより、径方向内側から外側に配置されてなる複数の金属素線１１の各金属素線１１が導電部３０に接続可能に配置される。ここで、各素線挿通孔３１ａに挿通される金属素線１１の本数は一以上であればよい。   Thereafter, the operator inserts each metal strand 11 through each strand insertion hole 31a of the conductive portion 30 (see FIG. 6B). Thereby, each metal strand 11 of the some metal strand 11 arrange | positioned from the radial direction inner side to an outer side is arrange | positioned so that connection to the electroconductive part 30 is possible. Here, the number of the metal strands 11 inserted into each strand insertion hole 31a may be one or more.

その後、作業者は、圧着端子２０を電線１０に圧着し、圧着端子２０と電線１０との組み付け作業が完了される（図６（ｃ）、図６（ｄ）参照）。圧着端子２０を電線１０に圧着する場合、不図示のクリンパ等の圧着冶具を用いて圧着端子２０のワイヤーバレル部２２が、導体部１２に圧着され、インシュレーションバレル部２３が絶縁被覆部１３に圧着される。ワイヤーバレル部２２が、導体部１２に圧着されることによって、導電部３０が導体部１２に圧着される。これにより径方向内側から外側に配置されてなる複数の金属素線１１の各金属素線１１が導電部３０に接続される。   Thereafter, the operator crimps the crimp terminal 20 onto the electric wire 10, and the assembling work of the crimp terminal 20 and the electric wire 10 is completed (see FIGS. 6C and 6D). When the crimp terminal 20 is crimped to the electric wire 10, the wire barrel portion 22 of the crimp terminal 20 is crimped to the conductor portion 12 using a crimping tool such as a crimper (not shown), and the insulation barrel portion 23 is bonded to the insulating coating portion 13. Crimped. When the wire barrel portion 22 is crimped to the conductor portion 12, the conductive portion 30 is crimped to the conductor portion 12. As a result, the metal wires 11 of the plurality of metal wires 11 arranged from the radially inner side to the outer side are connected to the conductive portion 30.

本発明の実施例１に係る圧着端子付き電線１は、導電部３０の直交面導電部３１が導体部１２の延在方向に直交する平面に広がって形成され、かつ一または複数本の金属素線１１が挿通可能な素線挿通孔３１ａが面内に分散配置されてなるので、導体部１２の径方向内側から外側に配置されてなる各金属素線１１に接続されることによって、束ねられる金属素線１１の数が増大した場合においても圧着端子２０と金属素線１１との接続安定性の低下を防ぐことができる。   The electric wire 1 with a crimp terminal according to the first embodiment of the present invention is formed such that the orthogonal surface conductive portion 31 of the conductive portion 30 extends in a plane orthogonal to the extending direction of the conductor portion 12 and one or more metal elements. Since the strand insertion holes 31a through which the wires 11 can be inserted are distributed in the plane, they are bundled by being connected to the respective metal strands 11 arranged from the radially inner side to the outer side of the conductor portion 12. Even when the number of the metal strands 11 is increased, it is possible to prevent the connection stability between the crimp terminal 20 and the metal strands 11 from being lowered.

また、本発明の実施例１に係る圧着端子付き電線１は、直交面導電部３１が延在方向に沿って複数箇所に形成されることによって、導体部１２の径方向内側から外側に配置されてなる各金属素線１１が直交面導電部３１との接続部分を増加させることができるので、圧着端子２０と金属素線１１との接続安定性の低下を防ぐ効果をより高めることができる。   Moreover, the electric wire 1 with a crimp terminal according to the first embodiment of the present invention is disposed from the radially inner side to the outer side of the conductor portion 12 by forming the orthogonal plane conductive portions 31 at a plurality of locations along the extending direction. Therefore, the effect of preventing a decrease in the connection stability between the crimp terminal 20 and the metal element wire 11 can be further enhanced.

（変形例）
次に、図７および図８を用いて本発明の実施例１に係る圧着端子付き電線１の変形例について説明する。図７は、本発明の実施例１の変形例に係る圧着端子付き電線２の分解斜視図である。図８は、図７に示した圧着端子付き電線２の一部断面を示した側面図である。
この変形例の圧着端子付き電線２は、導電部３０に代わって導電部４０を有してなる点で実施例１の圧着端子付き電線１と異なる。
なお、その他の構成は実施例１と同様であり、実施例１と同一構成部分には同一符号を付している。 (Modification)
Next, the modification of the electric wire 1 with a crimp terminal which concerns on Example 1 of this invention using FIG. 7 and FIG. 8 is demonstrated. FIG. 7 is an exploded perspective view of the electric wire 2 with a crimp terminal according to a modification of the first embodiment of the present invention. FIG. 8 is a side view showing a partial cross section of the electric wire 2 with a crimp terminal shown in FIG.
The electric wire 2 with a crimp terminal of this modified example is different from the electric wire 1 with a crimp terminal of the first embodiment in that it includes a conductive portion 40 instead of the conductive portion 30.
Other configurations are the same as those of the first embodiment, and the same components as those of the first embodiment are denoted by the same reference numerals.

導電部４０は、直交面導電部４１が延在方向に沿って複数箇所に形成されるように蛇腹状に折り曲げられてなる。
直交面導電部４１は、導体部１２の延在方向に直交する平面に導体線４１ｂが網目状に張り巡らされ、導体線４１ｂ間の隙間が素線挿通孔４１ａとして機能され、この素線挿通孔４１ａに一または複数本の金属素線１１が挿通されるようになっている。 The conductive portion 40 is bent in a bellows shape so that the orthogonal surface conductive portions 41 are formed at a plurality of locations along the extending direction.
In the orthogonal plane conductive portion 41, the conductor wire 41b is stretched around in a plane perpendicular to the extending direction of the conductor portion 12, and the gap between the conductor wires 41b functions as the strand insertion hole 41a. One or a plurality of metal strands 11 are inserted into the holes 41a.

この変形例の圧着端子付き電線２は、実施例１の圧着端子付き電線１と同様な効果を奏することができるとともに、導電部４０が蛇腹状に折り曲げられてなるので、直交面導電部４１を延在方向に沿って複数箇所に形成されることが容易になる。   The electric wire 2 with the crimp terminal of this modification can produce the same effect as the electric wire 1 with the crimp terminal of the first embodiment, and the conductive portion 40 is bent in a bellows shape. It becomes easy to be formed at a plurality of locations along the extending direction.

次に、図９−図１３を用いて本発明の実施例２に係る圧着端子付き電線３について説明する。図９は、本発明の実施例２に係る圧着端子付き電線３の一部断面を示した側面図である。図１０は、図９に示した、圧着端子５０の上面図である。図１１は、図１０に示した圧着端子５０を相手接続部５１とは逆側の端部から視た図である。図１２は、図１０に示した圧着端子５０のＡ−Ａ線断面図である。
この実施例２の圧着端子付き電線３は、導電部４０が圧着端子５０に一体的に設けられてなる点で実施例１の圧着端子付き電線１と異なる。
なお、その他の構成は実施例１と同様であり、実施例１と同一構成部分には同一符号を付している。 Next, the electric wire 3 with a crimp terminal according to the second embodiment of the present invention will be described with reference to FIGS. FIG. 9 is a side view showing a partial cross section of the electric wire 3 with a crimp terminal according to the second embodiment of the present invention. FIG. 10 is a top view of the crimp terminal 50 shown in FIG. FIG. 11 is a view of the crimp terminal 50 shown in FIG. 10 as viewed from the end opposite to the mating connection portion 51. FIG. 12 is a cross-sectional view of the crimp terminal 50 shown in FIG.
The electric wire 3 with the crimp terminal of the second embodiment is different from the electric wire 1 with the crimp terminal of the first embodiment in that the conductive portion 40 is provided integrally with the crimp terminal 50.
Other configurations are the same as those of the first embodiment, and the same components as those of the first embodiment are denoted by the same reference numerals.

圧着端子５０は、不図示の相手接続先との接続部分となる相手接続部５１と、電線１０の露出された導体部１２に圧着されるワイヤーバレル部５２と、導電部４０とを有してなる。
なお、相手接続部５１およびワイヤーバレル部５２は、実施例１の圧着端子２０と略同様であるためその説明を省略する。 The crimp terminal 50 includes a mating connection part 51 that is a connection part with a mating connection destination (not shown), a wire barrel part 52 that is crimped to the exposed conductor part 12 of the electric wire 10, and a conductive part 40. Become.
Note that the mating connection portion 51 and the wire barrel portion 52 are substantially the same as the crimp terminal 20 of the first embodiment, and thus the description thereof is omitted.

導電部６０は、ワイヤーバレル部５２の底壁部５２ａに連接される連接部６１と、直交面導電部６２とを有してなる。
連接部６１は、ワイヤーバレル部５２と直交面導電部６２とを一体的に繋げる部分である。この連接部６１は、ワイヤーバレル部５２の相手接続部５１とは逆側の端部から突出され、直交面導電部６２がワイヤーバレル部５２内に配置されるようにワイヤーバレル部５２内部に向けて屈曲されてなる。 The conductive part 60 includes a connecting part 61 connected to the bottom wall part 52 a of the wire barrel part 52 and an orthogonal surface conductive part 62.
The connecting portion 61 is a portion that integrally connects the wire barrel portion 52 and the orthogonal surface conductive portion 62. The connecting portion 61 protrudes from the end of the wire barrel portion 52 opposite to the mating connection portion 51 and faces the wire barrel portion 52 so that the orthogonal surface conductive portion 62 is disposed in the wire barrel portion 52. And bent.

直交面導電部６２は、導体部１２の延在方向に直交する平面に広がって形成され、かつ一または複数本の金属素線１１が挿通可能な素線挿通孔６２ａが面内に分散配置されてなる。
直交面導電部６２は、より具体的には、直線状の導電性部材である直線状導電部材６２ｂが導体部１２の延在方向に直交する平面に網目状に張り巡らされ、直線状導電部材６２ｂ間の隙間が素線挿通孔６２ａとして機能され、この素線挿通孔６２ａに一または複数本の金属素線１１が挿通されるようになっている。 The orthogonal surface conductive portion 62 is formed so as to extend in a plane orthogonal to the extending direction of the conductor portion 12, and the strand insertion holes 62 a into which one or a plurality of metal strands 11 can be inserted are dispersedly arranged in the plane. It becomes.
More specifically, the orthogonal surface conductive portion 62 is a linear conductive member in which a linear conductive member 62b, which is a linear conductive member, is stretched around in a plane perpendicular to the extending direction of the conductor portion 12. A gap between 62b functions as a strand insertion hole 62a, and one or a plurality of metal strands 11 are inserted into the strand insertion hole 62a.

この導電部６０は、各素線挿通孔６２ａに各金属素線１１が挿通された状態で、ワイヤーバレル部５２の一対の片状側壁からなる側壁部５２ｂとともに圧着されることによって、ワイヤーバレル部５２および複数の金属素線１１に圧着されるようになっている。
また、導電部６０は、直交面導電部６２が導体部１２の延在方向に直交する平面に広がって形成され、かつ一または複数本の金属素線１１が挿通可能な素線挿通孔６２ａが面内に分散配置されてなるので、導体部６０の径方向内側から外側に配置されてなる各金属素線１１に接続されるようになっている。 The conductive portion 60 is crimped together with the side wall portions 52b formed of a pair of one-sided side walls of the wire barrel portion 52 in a state where the respective metal strands 11 are inserted into the respective strand insertion holes 62a. 52 and the plurality of metal strands 11 are crimped.
In addition, the conductive portion 60 is formed so that the orthogonal surface conductive portion 62 extends in a plane orthogonal to the extending direction of the conductor portion 12 and has a strand insertion hole 62a through which one or a plurality of metal strands 11 can be inserted. Since they are distributed in the plane, they are connected to the metal wires 11 that are arranged from the radially inner side to the outer side of the conductor portion 60.

次に、図１３を用いて圧着端子付き電線３の圧着端子５０と電線１０との組み付け手順について説明する。図１３は、圧着端子付き電線３の圧着端子５０と電線１０との組み付け手順を示した図である。
まず、作業者は、導電部６０の各素線挿通孔６２ａに各金属素線１１を挿通させる（図１３（ａ）参照）。これにより、径方向内側から外側に配置されてなる複数の金属素線１１の各金属素線１１が導電部６０に接続可能に配置される。ここで、各素線挿通孔６２ａに挿通される金属素線１１の本数は一以上であればよい。 Next, the assembly procedure of the crimp terminal 50 and the electric wire 10 of the electric wire 3 with a crimp terminal will be described with reference to FIG. FIG. 13 is a view showing a procedure for assembling the crimp terminal 50 and the electric wire 10 of the electric wire 3 with the crimp terminal.
First, the operator inserts each metal strand 11 into each strand insertion hole 62a of the conductive portion 60 (see FIG. 13A). Thereby, each metal strand 11 of the some metal strand 11 arrange | positioned from the radial direction inner side to an outer side is arrange | positioned so that connection to the electroconductive part 60 is possible. Here, the number of the metal strands 11 inserted into each strand insertion hole 62a may be one or more.

その後、作業者は、圧着端子５０を電線１０に圧着し、圧着端子５０と電線１０との組み付け作業が完了される（１３（ｂ）参照）。圧着端子５０を電線１０に圧着する場合、不図示のクリンパ等の圧着冶具を用いて圧着端子５０のワイヤーバレル部５２が、導体部１２に圧着される。ワイヤーバレル部５２が、導体部１２に圧着されることによって、導電部６０が導体部１２に圧着される。これにより径方向内側から外側に配置されてなる複数の金属素線１１の各金属素線１１が導電部６０に接続される。   Thereafter, the operator crimps the crimp terminal 50 onto the electric wire 10, and the assembling work of the crimp terminal 50 and the electric wire 10 is completed (see 13 (b)). When the crimping terminal 50 is crimped to the electric wire 10, the wire barrel portion 52 of the crimping terminal 50 is crimped to the conductor portion 12 using a crimping jig such as a crimper (not shown). The wire barrel portion 52 is crimped to the conductor portion 12, whereby the conductive portion 60 is crimped to the conductor portion 12. Thereby, each metal strand 11 of the plurality of metal strands 11 arranged from the inside in the radial direction to the outside is connected to the conductive portion 60.

本発明の実施例２に係る圧着端子付き電線３は、実施例１の圧着端子付き電線１と同様に、束ねられる金属素線１１の数が増大した場合においても圧着端子２０と金属素線１１との接続安定性の低下を防ぐことができる。
しかも、本発明の実施例２に係る圧着端子付き電線３は、導電部６０が圧着端子５０と一体的に設けられてなるので、圧着端子５０と導電部６０との接続安定性が向上され、結果的に圧着端子５０と金属素線１１との接続安定性の低下を防ぐ効果をより高めることができる。 The electric wire 3 with the crimp terminal according to the second embodiment of the present invention is similar to the electric wire 1 with the crimp terminal according to the first embodiment even when the number of the metal strands 11 to be bundled is increased. It is possible to prevent the connection stability from being lowered.
In addition, the electric wire 3 with the crimp terminal according to the second embodiment of the present invention has the conductive portion 60 provided integrally with the crimp terminal 50, so that the connection stability between the crimp terminal 50 and the conductive portion 60 is improved. As a result, the effect of preventing the connection stability between the crimp terminal 50 and the metal element wire 11 from being lowered can be further enhanced.

（変形例）
次に、図１４および図１５を用いて本発明の実施例２に係る圧着端子付き電線３の変形例について説明する。図１４は、本発明の実施例２に係る圧着端子付き電線３の変形例の圧着端子７０を相手接続部５１とは逆側の端部から視た図である。図１５は、図１４に示した導電部８０のＡ−Ａ線断面図である。
この変形例の圧着端子７０は、導電部６０に代わって導電部８０を有してなる点で実施例２の圧着端子５０と異なる。
なお、その他の構成は実施例２と同様であり、実施例２と同一構成部分には同一符号を付している。 (Modification)
Next, the modification of the electric wire 3 with a crimp terminal based on Example 2 of this invention is demonstrated using FIG. 14 and FIG. FIG. 14 is a view of a crimp terminal 70 of a modified example of the electric wire 3 with a crimp terminal according to the second embodiment of the present invention as viewed from the end opposite to the mating connection portion 51. 15 is a cross-sectional view taken along line AA of the conductive portion 80 shown in FIG.
The crimp terminal 70 of this modification is different from the crimp terminal 50 of the second embodiment in that it includes a conductive portion 80 instead of the conductive portion 60.
Other configurations are the same as those of the second embodiment, and the same components as those of the second embodiment are denoted by the same reference numerals.

導電部８０は、直交面導電部８１が導体部１２の延在方向に直交する平面に広がって形成され、かつ一または複数本の金属素線１１が挿通可能な素線挿通孔８１ａが面内に分散配置されてなる。
この直交面導電部８１は、より具体的には、円形平板状の導電性部材が導体部１２の延在方向に直交する平面を形成するように配置され、円形状の素線挿通孔８１ａに一または複数本の金属素線１１が挿通されるようになっている。 The conductive portion 80 is formed such that the orthogonal surface conductive portion 81 extends in a plane orthogonal to the extending direction of the conductor portion 12, and the strand insertion hole 81a into which one or more metal strands 11 can be inserted is in-plane. Distributed.
More specifically, the orthogonal surface conductive portion 81 is disposed so that the circular flat plate-like conductive member forms a plane orthogonal to the extending direction of the conductor portion 12, and is formed in the circular strand insertion hole 81a. One or a plurality of metal strands 11 are inserted.

素線挿通孔８１ａは、孔内径が金属素線１１挿入側の端面８１ｃに向けて拡大されるように孔内面がテーパ状に形成されてなるテーパ部８１ｂを有してなる。このテーパ部８１ｂによって、各素線挿通孔８１ａ内に各金属素線１１がガイドされながら挿入されるようになっている。   The strand insertion hole 81a has a tapered portion 81b having a hole inner surface formed in a taper shape so that the hole inner diameter is enlarged toward the end surface 81c on the metal strand 11 insertion side. By this tapered portion 81b, each metal strand 11 is inserted while being guided into each strand insertion hole 81a.

この変形例の圧着端子５０は、素線挿通孔８１ａに金属素線１１を容易に挿通させることができる。   In the crimp terminal 50 of this modification, the metal strand 11 can be easily inserted into the strand insertion hole 81a.

なお、本発明の実施例１，２に係る圧着端子付き電線１，２，３は、相手接続部２１，５１が外形円形状の平板の略中央に円形状の貫通孔２１ａが形成されてなるものを例示したが、これに限らない。例えば、棒状に突出された雄型端子、あるいは箱型形状をなしその内部に弾性接触片が形成されてなる雌型端子であっても構わない。   In addition, the electric wires 1, 2 and 3 with crimp terminals according to the first and second embodiments of the present invention are formed by forming a circular through hole 21a at the approximate center of a flat plate having a circular outer shape of the mating connection portions 21 and 51. Although the thing was illustrated, it is not restricted to this. For example, it may be a male terminal protruding like a rod or a female terminal having a box shape and having an elastic contact piece formed therein.

以上、本発明者によってなされた発明を、上述した発明の実施例に基づき具体的に説明したが、本発明は、上述した発明の実施例に限定されるものではなく、その要旨を逸脱しない範囲において種々変更可能である。   The invention made by the present inventor has been specifically described based on the above-described embodiments of the invention. However, the present invention is not limited to the above-described embodiments of the invention and does not depart from the gist thereof. Various changes can be made.

１、２、３ 圧着端子付き電線
１０ 電線
１０ａ 端末部
１１ 金属素線
１２ 導体部
１３ 絶縁被覆部
２０、５０、７０ 圧着端子
２１、５１ 相手接続部
２１ａ 貫通孔
２２、５２ ワイヤーバレル部
２２ａ、５２ａ 底壁部
２２ｂ、５２ｂ 側壁部
２３ インシュレーションバレル部
２３ａ 底壁部
２３ｂ 側壁部
３０、４０、６０、８０ 導電部
３１、４１、６２、８１ 直交面導電部
３１ａ、４１ａ、６２ａ、８１ａ 素線挿通孔
３１ｂ、４１ｂ 導体線
３１ｃ 導電シート
６１ 連接部
６２ｂ 直線状導電部材
８１ｂ テーパ部
８１ｃ 端面 1, 2 and 3 Electric wire with crimp terminal 10 Electric wire 10a Terminal portion 11 Metal element wire 12 Conductor portion 13 Insulation coating portion 20, 50, 70 Crimp terminal 21, 51 Mating connection portion 21a Through hole 22, 52 Wire barrel portion 22a, 52a Bottom wall portion 22b, 52b Side wall portion 23 Insulation barrel portion 23a Bottom wall portion 23b Side wall portion 30, 40, 60, 80 Conductive portion 31, 41, 62, 81 Orthogonal plane conductive portion 31a, 41a, 62a, 81a Hole 31b, 41b Conductor wire 31c Conductive sheet 61 Connecting portion 62b Linear conductive member 81b Tapered portion 81c End face

Claims (4)

複数の金属素線が束ねられてなる導体部が絶縁被覆部によって覆われてなる電線の前記導体部に圧着端子が圧着されてなる圧着端子付き電線において、
前記導体部の延在方向に直交する平面に広がって形成され、かつ一または複数本の前記金属素線が挿通可能な素線挿通孔が面内に分散配置されてなる直交面導電部を含む導電部を有してなり、
前記導電部は、前記圧着端子とともに前記導体部に圧着された状態にあることを特徴とする圧着端子付き電線。 In the electric wire with a crimping terminal in which a crimping terminal is crimped to the conductor part of the electric wire in which a conductor part formed by bundling a plurality of metal strands is covered with an insulating coating part,
It includes an orthogonal surface conductive portion formed so as to extend in a plane orthogonal to the extending direction of the conductor portion and in which element insertion holes through which one or more metal elements can be inserted are dispersedly arranged in the plane. Having a conductive part,
The electric wire with a crimp terminal, wherein the conductive portion is in a state of being crimped to the conductor portion together with the crimp terminal. 前記導電部は、
前記直交面導電部が延在方向に沿って複数箇所に形成されてなることを特徴とする請求項１に記載の圧着端子付き電線。 The conductive part is
The electric wire with a crimp terminal according to claim 1, wherein the orthogonal plane conductive portion is formed at a plurality of locations along the extending direction. 前記導電部は、
前記圧着端子と一体的に設けられてなることを特徴とする１または２に記載の圧着端子付き電線。 The conductive part is
The electric wire with a crimp terminal according to 1 or 2, wherein the electric wire is provided integrally with the crimp terminal. 前記素線挿通孔は、
孔内径が前記金属素線挿入側の端面に向けて拡大されるように孔内面がテーパ状に形成されてなるテーパ部を有してなることを特徴とする請求項１、２、または３に記載の圧着端子付き電線。 The strand insertion hole is
The hole inner surface has a tapered portion formed so as to be tapered so that the inner diameter of the hole is expanded toward the end surface on the metal element insertion side. Electric wire with crimp terminal as described.
JP2012086247A 2012-04-05 2012-04-05 Electric wire with crimp terminal Expired - Fee Related JP5906543B2 (en)

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