JP2017079555A - Wiring harness - Google Patents

Wiring harness Download PDF

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Publication number
JP2017079555A
JP2017079555A JP2015206975A JP2015206975A JP2017079555A JP 2017079555 A JP2017079555 A JP 2017079555A JP 2015206975 A JP2015206975 A JP 2015206975A JP 2015206975 A JP2015206975 A JP 2015206975A JP 2017079555 A JP2017079555 A JP 2017079555A
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Prior art keywords
steel plate
wire harness
curved
curved steel
electric wire
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JP2015206975A
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Japanese (ja)
Inventor
広輝 宇野
Hiroki Uno
広輝 宇野
雄次 木田
Yuji Kida
雄次 木田
達哉 角田
Tatsuya Tsunoda
達哉 角田
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Sumitomo Wiring Systems Ltd
AutoNetworks Technologies Ltd
Sumitomo Electric Industries Ltd
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Sumitomo Wiring Systems Ltd
AutoNetworks Technologies Ltd
Sumitomo Electric Industries Ltd
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Application filed by Sumitomo Wiring Systems Ltd, AutoNetworks Technologies Ltd, Sumitomo Electric Industries Ltd filed Critical Sumitomo Wiring Systems Ltd
Priority to JP2015206975A priority Critical patent/JP2017079555A/en
Priority to CN201610898848.XA priority patent/CN106816849B/en
Publication of JP2017079555A publication Critical patent/JP2017079555A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
    • H02G11/006—Arrangements of electric cables or lines between relatively-movable parts using extensible carrier for the cable, e.g. self-coiling spring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/0207—Wire harnesses
    • B60R16/0215—Protecting, fastening and routing means therefor

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Insulated Conductors (AREA)
  • Electric Cable Arrangement Between Relatively Moving Parts (AREA)
  • Details Of Indoor Wiring (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a wiring harness capable of reducing force applied to an electric wire.SOLUTION: A wiring harness comprises: a curved steel plate 16 which is longer in one direction, and which has an inner lateral face 16A that is curved so that its central portion in the width direction is recessed further than its both ends and an outer lateral face 16B that is curved so that its central portion in the width direction protrudes further than its both ends; a plurality of electric wires 17 arranged along the inner lateral face 16A of the curved steel plate 16; and a surrounding member 18 which surrounds the electric wires 17 arranged along the inner lateral face 16A as well as the curved steel plate 16.SELECTED DRAWING: Figure 3

Description

本発明は、ワイヤハーネスに関する。   The present invention relates to a wire harness.

従来、例えば自動車のスライドドアとボディとの間に架け渡されるワイヤハーネス等、曲がる方向や曲がる量が適宜設定されているワイヤハーネスが知られている。   2. Description of the Related Art Conventionally, there is known a wire harness in which a bending direction and a bending amount are appropriately set, such as a wire harness bridged between a sliding door and a body of an automobile.

例えば下記特許文献１に記載のワイヤハーネスは、細長い湾曲鋼板によって、屈曲動作が案内されるようになっている。湾曲鋼板は、凸周面および凹周面を有する断面円弧形状をなし、複数の電線は、凸周面に沿って並べられている。複数の電線および湾曲鋼板は、樹脂チューブによって全体が被覆されている。   For example, the wire harness described in Patent Document 1 described below is guided in a bending operation by an elongated curved steel plate. The curved steel sheet has a circular arc shape having a convex peripheral surface and a concave peripheral surface, and the plurality of electric wires are arranged along the convex peripheral surface. The plurality of electric wires and the curved steel plate are entirely covered with a resin tube.

特開２００２−３１５１６８号公報JP 2002-315168 A

ところで、上記のような構成のワイヤハーネスは、樹脂チューブによって、湾曲鋼板の凸周面に電線が強く押し付けられた状態になっている。このため、ワイヤハーネスの屈曲部位では、曲げ力や摩擦力等、比較的大きな力が電線に作用しがちである。長期にわたって繰り返される屈曲動作に対し、ワイヤハーネスの耐久性を向上するためには、電線に作用する力を低減することが望まれた。   By the way, the wire harness of the above structure is the state by which the electric wire was strongly pressed by the resin tube at the convex peripheral surface of the curved steel plate. For this reason, a relatively large force such as a bending force or a frictional force tends to act on the electric wire at the bent portion of the wire harness. In order to improve the durability of the wire harness against a bending operation repeated over a long period of time, it has been desired to reduce the force acting on the electric wire.

本発明は上記のような事情に基づいて完成されたものであって、電線に作用する力を低減することが可能なワイヤハーネスを提供することを目的とする。   This invention is completed based on the above situations, Comprising: It aims at providing the wire harness which can reduce the force which acts on an electric wire.

本発明のワイヤハーネスは、一方向に長く、幅方向における中央部が両端部よりも凹むように湾曲した内側面と幅方向における中央部が両端部よりも膨出するように湾曲した外側面とを有する湾曲鋼板と、前記湾曲鋼板の内側面に沿って配されている複数の電線と、前記内側面に沿って配された前記電線および前記湾曲鋼板を包囲している包囲部材と、を備えている。   The wire harness of the present invention has an inner surface that is long in one direction and is curved so that a central portion in the width direction is recessed from both ends, and an outer surface that is curved so that a central portion in the width direction bulges from both ends. A curved steel plate, a plurality of electric wires arranged along the inner surface of the curved steel plate, and an enclosing member surrounding the electric wire and the curved steel plate arranged along the inner surface. ing.

本発明によれば、包囲部材によって、凹むように湾曲した内側面に電線が押し付けられる力は、膨出するように湾曲した外側面に電線が押し付けられる力に比して小さいから、電線に作用する力を低減することができる。   According to the present invention, the force by which the electric wire is pressed against the inner surface curved so as to be dented by the surrounding member is smaller than the force by which the electric wire is pressed against the outer side curved so as to bulge. The force to do can be reduced.

本実施例におけるワイヤハーネスを示す斜視図The perspective view which shows the wire harness in a present Example 車両に取り付けられた状態のワイヤハーネスの軌跡を示す概略図Schematic showing the trajectory of the wire harness attached to the vehicle 車両に取り付けられた状態のワイヤハーネスを示す断面図であって、図２のＸ−Ｘ位置における断面に相当する断面図FIG. 3 is a cross-sectional view showing a wire harness attached to a vehicle, and a cross-sectional view corresponding to a cross section at the position XX in FIG.

本発明の好ましい形態を以下に示す。
本発明のワイヤハーネスは、前記包囲部材が、伸縮性を有する自着性布材とされているものとしてもよい。このような構成によれば、ワイヤハーネスの屈曲動作に伴って包囲部材が伸び縮みしやすいから、電線に作用する力をより低減することができる。 Preferred embodiments of the present invention are shown below.
In the wire harness of the present invention, the surrounding member may be a self-adhesive cloth material having elasticity. According to such a configuration, since the surrounding member is easily expanded and contracted with the bending operation of the wire harness, the force acting on the electric wire can be further reduced.

また、本発明のワイヤハーネスは、前記内側面に沿って一層に並べて配された前記電線および前記湾曲鋼板を前記包囲部材で包囲してなる渡り部を複数有しているものとしてもよい。ここで、電線を一の湾曲鋼板に多層に重ねて配すると、曲げの内側に配される電線と外側に配される電線との長さ調整が難しい（外側に配される電線が包囲部材内で余ってしまう）けれども、上記のような構成によれば、渡り部毎に電線の長さ調整をすることができる。
また、本発明のワイヤハーネスは、前記渡り部に配された前記電線の長さ寸法が、複数の前記渡り部毎に異なるものとしてもよい。 Moreover, the wire harness of this invention is good also as what has two or more the transition parts formed by enclosing the said electric wire and the said curved steel plate which were arranged in a line along the said inner surface with the said surrounding member. Here, if the electric wires are arranged in multiple layers on one curved steel plate, it is difficult to adjust the length of the electric wires arranged on the inner side of the bending and the electric wires arranged on the outer side (the electric wires arranged on the outer side are inside the surrounding member). However, according to the above configuration, the length of the electric wire can be adjusted for each crossover portion.
Moreover, the wire harness of this invention is good also as a thing from which the length dimension of the said electric wire distribute | arranged to the said crossing part differs for every said some crossing part.

＜実施例＞
以下、本発明を具体化した一実施例について、図１〜図３を参照しつつ詳細に説明する。
本実施例におけるワイヤハーネス１０は、図２に示すように、自動車のスライドドア５０と車体５１との間に架け渡されるものである。スライドドア５０は、車体５１側に備えられたスライドレール５２に沿って、車体５１に対して前後方向にスライドする。ワイヤハーネス１０の一端側には、スライドドア５０に取り付けられるドア側固定部１１が備えられ、他端側には車体５１に取り付けられる車体側固定部１２が備えられている。 <Example>
Hereinafter, an embodiment embodying the present invention will be described in detail with reference to FIGS.
As shown in FIG. 2, the wire harness 10 in this embodiment is bridged between a slide door 50 and a vehicle body 51 of an automobile. The slide door 50 slides in the front-rear direction with respect to the vehicle body 51 along a slide rail 52 provided on the vehicle body 51 side. One end side of the wire harness 10 is provided with a door side fixing portion 11 attached to the slide door 50, and the other end side is provided with a vehicle body side fixing portion 12 attached to the vehicle body 51.

ワイヤハーネス１０は、図３に示すように、乗降時に足の踏み場となるステップパネル５３の下方に配索される。ステップパネル５３の下方には、スライドドア５０とドア枠５４との間の隙間を塞ぐウェザーストリップ５５が、ドア枠５４に沿って備えられている。   As shown in FIG. 3, the wire harness 10 is routed below a step panel 53 that serves as a stepping foot when getting on and off. Below the step panel 53, a weather strip 55 is provided along the door frame 54 to close a gap between the slide door 50 and the door frame 54.

以下、各構成部材において、車両に取り付けられた状態における進行方向前側（図２の左側）を前方、後側（図２の右側）を後方とし、また、車両に取り付けられた状態における上側（図３の上側）を上方、下側（図３の下側）を下方として説明する。   Hereinafter, in each component, the front side in the traveling direction (left side in FIG. 2) in the state attached to the vehicle is the front, the rear side (right side in FIG. 2) is the rear, and the upper side in the state attached to the vehicle (see FIG. 2). 3 is assumed to be the upper side and the lower side (the lower side of FIG. 3) is the lower side.

ワイヤハーネス１０は、図２に示すように、車体側固定部１２の後面から後方に延出する形態で車両に取り付けられる。車両に取り付けられた状態のワイヤハーネス１０の後端部は、常時屈曲した状態になっている。   As shown in FIG. 2, the wire harness 10 is attached to the vehicle in a form extending rearward from the rear surface of the vehicle body side fixing portion 12. The rear end portion of the wire harness 10 attached to the vehicle is always bent.

詳しくは、スライドドア５０が全閉位置ＣＰにあるときには、ドア側固定部１１が車体側固定部１２よりも前方内側に配され、ワイヤハーネス１０の後端部（車体側固定部１２寄りの端部）が屈曲した状態になる。このとき、ワイヤハーネス１０の後端部を除く全体は、直線状に延びた状態になる。   Specifically, when the slide door 50 is in the fully closed position CP, the door side fixing portion 11 is arranged on the front inner side with respect to the vehicle body side fixing portion 12, and the rear end portion of the wire harness 10 (the end near the vehicle body side fixing portion 12). Part) is bent. At this time, the whole except for the rear end of the wire harness 10 is in a state of extending linearly.

また、スライドドア５０が全開位置ＯＰにあるときには、ドア側固定部１１が車体側固定部１２よりも後方外側（車体５１の左右方向における外側）に配され、ワイヤハーネス１０の後端部（ドア側固定部１１寄りの端部）が屈曲した状態になる。このとき、ワイヤハーネス１０の後端部を除く全体は、直線状に延びた状態になる。   Further, when the slide door 50 is in the fully open position OP, the door side fixing portion 11 is arranged on the rear outer side (outside in the left-right direction of the vehicle body 51) with respect to the vehicle body side fixing portion 12, and the rear end portion (door) of the wire harness 10 The end portion near the side fixing portion 11 is bent. At this time, the whole except for the rear end of the wire harness 10 is in a state of extending linearly.

ワイヤハーネス１０の後端部（屈曲部１３）は、半円弧形状をなし、屈曲部１３の曲げ半径（屈曲半径）は、スライドドア５０が全閉位置ＣＰにあるときの方が、全開位置ＯＰにあるときよりも大きくなっている。   The rear end portion (bending portion 13) of the wire harness 10 has a semicircular arc shape, and the bending radius (bending radius) of the bending portion 13 is the fully open position OP when the slide door 50 is in the fully closed position CP. It is bigger than when it is.

ワイヤハーネス１０は、図１に示すように、ドア側固定部１１と車体側固定部１２との間に並列して配索される複数（本実施例では２つ）の渡り部１５を有している。渡り部１５は、曲げの内側と外側とに位置するように並べられている。曲げの内側に配される渡り部１５（以後、内側渡り部１５Ａと称する）は、曲げの外側に配される渡り部１５（以後、外側渡り部１５Ｂと称する）よりも長さ寸法が短くされている。内側渡り部１５Ａと外側渡り部１５Ｂとは、直線部１４においては互いに近接し、屈曲部１３においては曲げの内側と外側（車両取付け時には前側と後側）とに離れて配される。   As shown in FIG. 1, the wire harness 10 has a plurality of (two in the present embodiment) transition portions 15 that are arranged in parallel between the door-side fixing portion 11 and the vehicle body-side fixing portion 12. ing. The crossover portions 15 are arranged so as to be positioned on the inner side and the outer side of the bending. The connecting portion 15 (hereinafter referred to as the inner connecting portion 15A) disposed on the inner side of the bending is made shorter in length than the connecting portion 15 (hereinafter referred to as the outer connecting portion 15B) disposed on the outer side of the bending. ing. The inner crossover portion 15A and the outer crossover portion 15B are arranged close to each other in the straight portion 14, and are separated from the inner side and the outer side of the bend (the front side and the rear side when the vehicle is mounted).

各渡り部１５Ａ，１５Ｂは、図３に示すように、細長い湾曲鋼板１６と、湾曲鋼板１６に沿って配されている複数の電線１７と、電線１７および湾曲鋼板１６を包囲している包囲部材１８とを備えている。内側渡り部１５Ａおよび外側渡り部１５Ｂは、電線１７の本数、湾曲鋼板１６の幅寸法および厚さ寸法が同等の、ほぼ同じ形態とされている。   As shown in FIG. 3, each of the crossing portions 15 </ b> A and 15 </ b> B includes an elongated curved steel plate 16, a plurality of electric wires 17 arranged along the curved steel plate 16, and an enclosing member that surrounds the electric wires 17 and the curved steel plate 16. 18. The inner crossover portion 15A and the outer crossover portion 15B have substantially the same form in which the number of the electric wires 17 and the width and thickness dimensions of the curved steel plate 16 are equivalent.

湾曲鋼板１６は、一方向に長く、短手方向の断面が緩く湾曲した形状をなしている。湾曲鋼板１６は、渡り部１５の全長にわたる長さ寸法を有している。湾曲鋼板１６は、複数の図示しない薄い鋼板を板厚方向に重ねてなるものである。湾曲鋼板１６は、幅方向における中央部が両端部よりも凹むように湾曲した内側面１６Ａと、幅方向における中央部が両端部よりも膨出するように湾曲した外側面１６Ｂとを有している。   The curved steel plate 16 has a shape that is long in one direction and has a short cross section in the short direction. The curved steel plate 16 has a length dimension over the entire length of the crossover portion 15. The curved steel plate 16 is formed by stacking a plurality of thin steel plates (not shown) in the thickness direction. The curved steel plate 16 has an inner side surface 16A that is curved so that the center portion in the width direction is recessed from both ends, and an outer surface 16B that is curved so that the center portion in the width direction bulges from both ends. Yes.

複数の電線１７は、湾曲鋼板１６の内側面１６Ａに沿って一層に並べて配されている。電線１７は、導体を絶縁被覆で被覆したものであり、スライドドア５０に設けられた図示しない電装品に電力を供給する給電線等を含むものである。本実施例では、各渡り部１５Ａ，１５Ｂは９本ずつ電線１７を有している。全ての電線１７の径寸法は同等であり、各電線１７は湾曲鋼板１６の内側面１６Ａに接するとともに、湾曲鋼板１６の幅方向に隣接する電線１７と接している。電線１７は、湾曲鋼板１６の略全幅にわたり配置されている。電線１７の径寸法と湾曲鋼板１６の厚さ寸法とは同等の寸法とされている。   The plurality of electric wires 17 are arranged in a single layer along the inner side surface 16 </ b> A of the curved steel plate 16. The electric wire 17 is obtained by coating a conductor with an insulating coating, and includes a power supply line for supplying electric power to an electrical component (not shown) provided on the slide door 50. In the present embodiment, each of the crossing portions 15A and 15B has nine electric wires 17. The diameter dimensions of all the electric wires 17 are the same, and each electric wire 17 is in contact with the inner surface 16A of the curved steel plate 16 and in contact with the electric wire 17 adjacent in the width direction of the curved steel plate 16. The electric wire 17 is disposed over substantially the entire width of the curved steel plate 16. The diameter dimension of the electric wire 17 and the thickness dimension of the curved steel plate 16 are equivalent.

包囲部材１８は、内側面１６Ａに沿って配された一層の電線１７および湾曲鋼板１６を包囲している。包囲部材１８は、伸縮性を有するとともに、付着と剥離とを繰り返すことが可能な自着性布材とされている。包囲部材１８は、湾曲鋼板１６の外側面１６Ｂおよびすべての電線１７の外面に隙間なく密着した状態になっている。   The surrounding member 18 surrounds the one-layered electric wire 17 and the curved steel plate 16 arranged along the inner side surface 16A. The surrounding member 18 is a self-adhesive cloth material that has stretchability and can repeat adhesion and peeling. The surrounding member 18 is in close contact with the outer surface 16B of the curved steel plate 16 and the outer surfaces of all the electric wires 17 without any gaps.

自着性布材は、織布等からなる布状基材の両面または片面に、天然ゴム等の自着剤を付着させたものである。布状基材としては、伸縮性を有する織布や不織布が用いられる。布状基材の素材としては、綿、絹、麻等の天然繊維や、ポリエステル、ポリアミド、アクリル樹脂、等の合成繊維など各種の繊維を用いることができる。自着剤は、自着剤同士もしくは布状基材に対して十分な結合力を発揮する粘着性を有している。この自着剤の粘着力は、布状基材を破損させない程度の引張力によって、結合解除されうる強さである。   The self-adhesive cloth material is obtained by adhering a self-adhesive agent such as natural rubber to both or one side of a cloth-like base material made of woven cloth or the like. As the cloth-like substrate, a stretchable woven fabric or nonwoven fabric is used. Various materials such as natural fibers such as cotton, silk and hemp, and synthetic fibers such as polyester, polyamide and acrylic resin can be used as the material for the cloth-like substrate. The self-adhesive has adhesiveness that exhibits a sufficient bonding force to the self-adhesives or to the cloth-like substrate. The adhesive strength of this self-adhesive is a strength that can be released by a tensile force that does not damage the cloth-like substrate.

包囲部材１８は、各渡り部１５Ａ，１５Ｂの全体（全長および全周）を包囲している。包囲部材１８は、略方形のシート状をなしている。包囲部材１８の長辺は、各渡り部１５Ａ，１５Ｂの長さ寸法と同等の寸法とされ、短辺は、渡り部１５の周長に重ね代を加えた寸法とされている。包囲部材１８は、渡り部１５の外周に巻き付けられ、長辺側の縁部同士が重ね合わされて付着している。   The encircling member 18 encloses the entire crossing portions 15A and 15B (the entire length and the entire circumference). The surrounding member 18 has a substantially square sheet shape. The long side of the surrounding member 18 is a dimension equivalent to the length dimension of each of the crossover parts 15A and 15B, and the short side is a dimension obtained by adding an overlap margin to the peripheral length of the crossover part 15. The surrounding member 18 is wound around the outer periphery of the crossover portion 15, and the long side edges are overlapped and adhered.

ワイヤハーネス１０が車両に取り付けられた状態では、各渡り部１５Ａ，１５Ｂの湾曲鋼板１６は、断面が縦向き（幅方向の一端が上側、他端が下側）になる姿勢で配される。また、ワイヤハーネス１０が車両に取り付けられた状態では、各渡り部１５Ａ，１５Ｂにおいて、曲げの内側に電線１７、外側に湾曲鋼板１６が位置するように配される。   In a state where the wire harness 10 is attached to the vehicle, the curved steel plates 16 of the crossover portions 15A and 15B are arranged in a posture in which the cross section is vertically oriented (one end in the width direction is the upper side and the other end is the lower side). Further, in a state where the wire harness 10 is attached to the vehicle, the wires 17 are arranged on the inner side of the bending and the curved steel plate 16 is positioned on the outer side in each of the connecting portions 15A and 15B.

また、ワイヤハーネス１０が車両に取り付けられた状態では、両渡り部１５は、ステップパネル５３の下方においてほぼ同一高さに配される。これにより、ステップパネル５３の下方のような、高さ方向の制限が厳しいスペースへの、ワイヤハーネス１０の取り付けが可能となっている。ワイヤハーネス１０の直線部１４では、内側渡り部１５Ａと外側渡り部１５Ｂとが接触または近接して配される。すなわち、ワイヤハーネス１０の直線部１４では、外側渡り部１５Ｂの電線１７に、内側渡り部１５Ａの湾曲鋼板１６の外側面１６Ｂが沿った状態（略平行な状態）になり、両渡り部１５Ａ，１５Ｂは、ほぼ隙間が無い状態で並んで配される。   Further, in a state where the wire harness 10 is attached to the vehicle, the crossover portions 15 are arranged at substantially the same height below the step panel 53. Thereby, attachment of the wire harness 10 to the space where the restriction | limiting of a height direction is severe like the downward direction of the step panel 53 is attained. In the straight portion 14 of the wire harness 10, the inner crossover portion 15A and the outer crossover portion 15B are arranged in contact with or close to each other. That is, in the straight portion 14 of the wire harness 10, the outer surface 16B of the curved steel plate 16 of the inner connecting portion 15A is along the electric wire 17 of the outer connecting portion 15B (substantially parallel state). 15B is arranged side by side with almost no gap.

次に、上記のように構成された実施例の作用および効果について説明する。
本実施例のワイヤハーネス１０は、一方向に長く、幅方向における中央部が両端部よりも凹むように湾曲した内側面１６Ａと幅方向における中央部が両端部よりも膨出するように湾曲した外側面１６Ｂとを有する湾曲鋼板１６と、湾曲鋼板１６の内側面１６Ａに沿って配されている複数の電線１７と、内側面１６Ａに沿って配された電線１７および湾曲鋼板１６を包囲している包囲部材１８と、を備えている。
この構成によれば、包囲部材１８によって、凹むように湾曲した内側面１６Ａに電線１７が押し付けられる力は、膨出するように湾曲した外側面１６Ｂに電線１７が押し付けられる力に比して小さいから、電線１７に作用する力を低減することができる。 Next, operations and effects of the embodiment configured as described above will be described.
The wire harness 10 of the present embodiment is long in one direction, and is curved so that the inner side surface 16A is curved so that the central part in the width direction is recessed from both ends, and the central part in the width direction is bulged from both ends. Surrounding the curved steel plate 16 having the outer side surface 16B, the plurality of electric wires 17 arranged along the inner side surface 16A of the curved steel plate 16, the electric wires 17 arranged along the inner side surface 16A, and the curved steel plate 16 A surrounding member 18.
According to this configuration, the force by which the electric wire 17 is pressed against the inner side surface 16A curved so as to be recessed by the surrounding member 18 is smaller than the force by which the electric wire 17 is pressed against the outer side surface 16B curved so as to bulge. Thus, the force acting on the electric wire 17 can be reduced.

また、包囲部材１８が、伸縮性を有する自着性布材とされている。この構成によれば、ワイヤハーネス１０の屈曲動作に伴って包囲部材１８が伸び縮みしやすいから、電線１７に作用する力をより低減することができる。   The surrounding member 18 is a self-adhesive cloth material having elasticity. According to this configuration, since the surrounding member 18 is easily expanded and contracted with the bending operation of the wire harness 10, the force acting on the electric wire 17 can be further reduced.

また、包囲部材１８が自着性布材であるから、例えば包囲部材が収縮チューブである場合に比して湾曲鋼板１６にかかる反力が軽減されるので、湾曲鋼板１６の厚さ寸法を小さくすることができる。   Further, since the surrounding member 18 is a self-adhesive cloth material, for example, the reaction force applied to the curved steel plate 16 is reduced as compared with the case where the surrounding member is a shrinkable tube, and therefore the thickness dimension of the curved steel plate 16 is reduced. can do.

また、包囲部材１８が自着性布材であるから、例えば包囲部材が熱収縮チューブである場合のように、電線および湾曲鋼板を包囲部材に通す作業や熱を加える作業をしなくてもよいから、ワイヤハーネス１０の組み立てを容易に行うことができる。   Moreover, since the surrounding member 18 is a self-adhesive cloth material, for example, when the surrounding member is a heat-shrinkable tube, there is no need to perform an operation of passing the electric wire and the curved steel plate through the surrounding member or an operation of applying heat. Therefore, the assembly of the wire harness 10 can be easily performed.

また、湾曲鋼板１６の内側面１６Ａに沿って一層に並べて配された電線１７および湾曲鋼板１６を包囲部材１８で包囲してなる渡り部１５を２つ有している。
ここで、電線を一の湾曲鋼板に多層に重ねて配すると、曲げの内側に配される電線と外側に配される電線との長さ調整が難しい（外側に配される電線が包囲部材内で余ってしまう）けれども、本実施例のワイヤハーネス１０によれば、一の渡り部１５毎に電線１７の長さ調整をすることができる。 Further, there are two crossover portions 15 formed by surrounding the electric wire 17 and the curved steel plate 16 arranged in a single layer along the inner side surface 16 </ b> A of the curved steel plate 16 with the surrounding member 18.
Here, if the electric wires are arranged in multiple layers on one curved steel plate, it is difficult to adjust the length of the electric wires arranged on the inner side of the bending and the electric wires arranged on the outer side (the electric wires arranged on the outer side are inside the surrounding member). However, according to the wire harness 10 of the present embodiment, the length of the electric wire 17 can be adjusted for each of the crossover portions 15.

また、電線１７と電線１７との間の摩擦力は、電線１７と湾曲鋼板１６との間の摩擦力よりも大きいから、電線を多層に重ねて配すると、ワイヤハーネスの屈曲部位に作用する力が大きくなる。しかしながら、本実施例のワイヤハーネス１０によれば、電線１７は多層に重なることなく一層に並べて配されているから、ワイヤハーネス１０の屈曲部位に作用する力を小さくすることができる。   Moreover, since the frictional force between the electric wire 17 and the electric wire 17 is larger than the frictional force between the electric wire 17 and the curved steel plate 16, the force acting on the bent portion of the wire harness when the electric wires are arranged in multiple layers. Becomes larger. However, according to the wire harness 10 of the present embodiment, since the electric wires 17 are arranged side by side without overlapping multiple layers, the force acting on the bent portion of the wire harness 10 can be reduced.

また、一の湾曲鋼板に多層の電線を重ねて配すると、多層に重ねられた電線の反力に耐え得るだけの強度を有するべく湾曲鋼板を厚くする（薄い鋼板の枚数を増やす）ことが必要である。すると、渡り部の剛性が増し、屈曲動作をスムーズに行うことが困難になる。しかしながら、本実施例にように、多数の電線１７が２つの渡り部１５に分けて配され、各渡り部１５Ａ，１５Ｂにおいて電線１７は一層に並べられるから、湾曲鋼板１６を厚くしなくてよく、各渡り部１５Ａ，１５Ｂのスムーズな屈曲動作が可能であり、もってワイヤハーネス１０の屈曲動作を良好なものとすることができる。   In addition, when multilayered wires are stacked on one curved steel plate, it is necessary to increase the thickness of the curved steel plate (increase the number of thin steel plates) to have enough strength to withstand the reaction force of the multilayered wires. It is. Then, the rigidity of the transition portion increases, and it becomes difficult to smoothly perform the bending operation. However, as in the present embodiment, a large number of electric wires 17 are divided into two connecting portions 15 and the electric wires 17 are arranged in one layer in each of the connecting portions 15A and 15B, so that the curved steel plate 16 need not be thickened. Thus, the smooth bending operation of each of the crossover portions 15A and 15B is possible, so that the bending operation of the wire harness 10 can be improved.

＜他の実施例＞
本発明は上記記述及び図面によって説明した実施例に限定されるものではなく、例えば次のような実施例も本発明の技術的範囲に含まれる。
（１）上記実施例では、一の湾曲鋼板１６に９本ずつの電線１７が並べられているが、これに限らず、電線の本数は任意に変更することができる。
（２）上記実施例では、包囲部材１８が、伸縮性を有する自着性布材とされているが、これに限らず、包囲部材は、例えばシリコン収縮チューブ等、各種の包囲部材を使用してもよい。
（３）上記実施例では、渡り部１５が２つ備えられているが、これに限らず、渡り部は１のみ、または３以上備えられていても良い。
（４）上記実施例では、包囲部材１８が、略方形のシート状をなす自着性布材であるが、これに限らず、包囲部材は、例えばテープ状をなすものであってもよく、このような場合には自着性布材を渡り部の外周に螺旋状に重ねて巻き付けてもよい。
（５）上記実施例では、湾曲鋼板１６の内側面１６Ａに並べて配された電線１７の径寸法は同等であるが、これに限らず、径寸法の異なる電線を並べて配してもよい。 <Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention.
(1) In the above embodiment, nine electric wires 17 are arranged on one curved steel plate 16, but the number of electric wires is not limited to this and can be arbitrarily changed.
(2) In the above embodiment, the surrounding member 18 is a self-adhesive cloth material having elasticity. However, the surrounding member is not limited to this, and various surrounding members such as a silicon shrinkable tube are used. May be.
(3) In the above embodiment, two crossover portions 15 are provided. However, the present invention is not limited to this, and only one crossover portion or three or more crossover portions may be provided.
(4) In the above embodiment, the surrounding member 18 is a self-adhesive cloth material having a substantially square sheet shape, but the surrounding member may be, for example, in the form of a tape, In such a case, the self-adhesive cloth material may be spirally stacked around the outer periphery of the crossover portion.
(5) In the said Example, although the diameter dimension of the electric wire 17 arranged side by side on the inner surface 16A of the curved steel plate 16 is equivalent, you may arrange | position not only this but the electric wire from which a diameter dimension differs.

１０…ワイヤハーネス
１５…渡り部
１６…湾曲鋼板
１６Ａ…内側面
１６Ｂ…外側面
１７…電線
１８…包囲部材 DESCRIPTION OF SYMBOLS 10 ... Wire harness 15 ... Transition part 16 ... Curved steel plate 16A ... Inner side surface 16B ... Outer side surface 17 ... Electric wire 18 ... Enclosing member

Claims (4)

一方向に長く、幅方向における中央部が両端部よりも凹むように湾曲した内側面と幅方向における中央部が両端部よりも膨出するように湾曲した外側面とを有する湾曲鋼板と、
前記湾曲鋼板の内側面に沿って配されている複数の電線と、
前記内側面に沿って配された前記電線および前記湾曲鋼板を包囲している包囲部材と、を備えているワイヤハーネス。 A curved steel plate having an inner surface that is long in one direction and is curved so that a central portion in the width direction is recessed from both ends, and an outer surface that is curved so that the central portion in the width direction bulges from both ends, and
A plurality of electric wires arranged along the inner surface of the curved steel plate;
An encircling member encircling the electric wire and the curved steel plate disposed along the inner side surface. 前記包囲部材が、伸縮性を有する自着性布材とされている請求項１に記載のワイヤハーネス。   The wire harness according to claim 1, wherein the surrounding member is a self-adhesive cloth material having elasticity. 前記内側面に沿って一層に並べて配された前記電線および前記湾曲鋼板を前記包囲部材で包囲してなる渡り部を複数有している請求項１または請求項２に記載のワイヤハーネス。   3. The wire harness according to claim 1, wherein the wire harness includes a plurality of transition portions formed by surrounding the electric wire and the curved steel plate arranged in a single layer along the inner side surface with the surrounding member. 前記渡り部に配された前記電線の長さ寸法が、複数の前記渡り部毎に異なるものとされている請求項３に記載のワイヤハーネス。   The wire harness according to claim 3, wherein a length dimension of the electric wire arranged in the crossover portion is different for each of the plurality of crossover portions.
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