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
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metal
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JP2013218814A (en
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泰徳 鍋田
泰徳 鍋田
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矢崎総業株式会社
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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)

  1. 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.
  2. 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.
  3. 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.
  4. 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.
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