JP2012151047A

JP2012151047A - Wire harness

Info

Publication number: JP2012151047A
Application number: JP2011010112A
Authority: JP
Inventors: Takehiro Matsunaga; 丈寛松永
Original assignee: Sumitomo Wiring Systems Ltd
Current assignee: Sumitomo Wiring Systems Ltd
Priority date: 2011-01-20
Filing date: 2011-01-20
Publication date: 2012-08-09
Anticipated expiration: 2031-01-20
Also published as: JP5703773B2

Abstract

PROBLEM TO BE SOLVED: To simplify a constitution and improve workability during adjusting a length in a wire harness whose length can be adjusted.SOLUTION: The wire harness comprises an electric wire 10 having first and second terminals 11, 12, and a tube part 60 having first and second opening ends 62, 63. The first terminal 11 is inserted in the tube part 60 from the first opening end 62 and drawn from the tube part 60 from the second opening end 63, and the second terminal 12 is inserted in the tube part 60 from the second opening end 63, and drawn from the tube part 60 from the first opening end 62. Thereby, intermediate parts 13A, 13B of the electric wire 10 are housed and held in the tube part 60 under a crossing condition, and an excessive length part 14 of the electric wire 10 is wound outside the tube part 60. When the first and second terminals 11, 12 are approached to and separated from each other, the intermediate parts 13A, 13B of the electric wire 10 slide on an inner surface of the tube part 60, and a diameter of the excessive length part 14 of the electric wire 10 is increased or decreased.

Description

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

ワイヤハーネスの電線を配索するにあたり、ワイヤハーネスに伸縮機能をもたせた上で、電線の余長部分をプロテクタ等に収納することがある。例えば、特許文献１に記載のものでは、プロテクタ内に複数の電線挿通路が形成されており、各電線挿通路に電線を折り返し状に選択的に沿わせることで、ワイヤハーネスの長さ調整を行うようにしている。 When routing the wires of the wire harness, the wire harness may be provided with an expansion / contraction function and the extra length of the wire may be stored in a protector or the like. For example, in the one described in Patent Document 1, a plurality of wire insertion passages are formed in the protector, and the length of the wire harness can be adjusted by selectively causing the electric wires to fold along each wire insertion passage. Like to do.

特開２０００−２１５７３６号公報JP 2000-215736 A

ところで、上記従来のワイヤハーネスでは、プロテクタ内に電線挿通路を区画する突部が必要とされるとともに、プロテクタの蓋締めを行うためのロック構造が必要とされる。このため、構成が複雑になり、コストがかさむという事情がある。
また、電線の両端間の長さ調整を行う際には、プロテクタ内において、各電線挿通路に対する電線の配索構造を逐一変更せねばならず、作業が煩雑になる嫌いがある。 By the way, in the said conventional wire harness, while the protrusion which divides an electric wire insertion path is required in a protector, the lock structure for performing the lid | cover fastening of a protector is required. This complicates the configuration and increases the cost.
Moreover, when adjusting the length between the both ends of an electric wire, in the protector, the wiring structure of the electric wire with respect to each electric wire insertion path must be changed one by one, and there is a disagreement that the operation becomes complicated.

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、長さ調整可能なワイヤハーネスにおいて、構成の簡素化を実現するとともに、長さ調整時の作業性を改善することを目的とする。 The present invention has been completed based on the above-described circumstances, and it is an object of the present invention to simplify the configuration and improve the workability during length adjustment in a wire harness that can be adjusted in length. And

上記の目的を達成するための手段として、請求項１の発明は、長さ調整可能なワイヤハーネスであって、第１、第２端末を有する電線と、第１、第２開口端を有する管状の管部とを備え、前記第１端末を、前記第１開口端から前記管部内に挿入して前記第２開口端から前記管部外に引き出し、前記第２端末を、前記第２開口端から前記管部内に挿入して前記第１開口端から前記管部外に引き出し、もって、前記管部内に前記電線の中間部分を交差状態に収容して保持するとともに、前記管部外に前記電線の余長部分を環状に回曲する状態となし、前記第１、第２端末を互いに接近・離間させた場合に、前記電線の中間部分が前記管部の内面を摺接して、前記電線の余長部分が拡径・縮径するところに特徴を有する。 As a means for achieving the above object, the invention of claim 1 is a length-adjustable wire harness, which is an electric wire having first and second terminals, and a tubular shape having first and second open ends. The first terminal is inserted into the pipe part from the first opening end and pulled out of the pipe part from the second opening end, and the second terminal is connected to the second opening end. Inserted into the tube portion and pulled out from the first opening end to the outside of the tube portion, so that the intermediate portion of the electric wire is accommodated and held in the tube portion in an intersecting state, and the electric wire outside the tube portion. When the first and second terminals are moved closer to and away from each other, the intermediate portion of the electric wire is in sliding contact with the inner surface of the tube portion, It is characterized in that the extra length is expanded or reduced.

請求項２の発明は、請求項１に記載のものにおいて、前記第１、第２端末を互いに接近・離間させた場合に、前記第１、第２端末間における前記管部の相対位置が変動するところに特徴を有する。 According to a second aspect of the present invention, in the first aspect, when the first and second terminals are moved toward and away from each other, the relative position of the pipe portion between the first and second terminals varies. It has a feature.

＜請求項１の発明＞
電線の中間部分が管部内に交差状態に収容保持され、電線の余長部分が管部外に環状に回曲されるため、余長部分の分、電線の長さ（第１、第２端末間の直線距離）が短縮される。また、第１、第２端末を互いに接近・離間させることにより、電線の中間部分が管部の内面を摺接して、電線の余長部分が拡径・縮径するため、余長部分の変化に応じて、電線の長さが適宜に調整される。この場合に、長さ調整部材として、管部を用意すれば足りるから、構成の簡素化が実現される。また、第１、第２端末の接離動作に連動して長さ調整が行われるから、作業性が改善される。 <Invention of Claim 1>
The intermediate portion of the electric wire is accommodated and held in a crossed state in the pipe portion, and the extra length portion of the electric wire is circularly bent outside the pipe portion, so the length of the electric wire (first and second terminals) The linear distance between them is shortened. In addition, by moving the first and second terminals closer to and away from each other, the intermediate portion of the electric wire slides on the inner surface of the tube portion, and the extra length portion of the electric wire expands / contracts, so the change in the extra length portion The length of the electric wire is adjusted accordingly. In this case, it is sufficient to prepare a pipe portion as the length adjusting member, so that the configuration can be simplified. In addition, since the length is adjusted in conjunction with the contact and separation operations of the first and second terminals, workability is improved.

＜請求項２の発明＞
第１、第２端末を互いに接近・離間させた場合に、第１、第２端末間における管部の相対位置が変動するため、第１、第２端末の動作量（ストローク量）が小さくても、余長部分の拡縮量を大きくとることができ、作業効率に優れる。 <Invention of Claim 2>
When the first and second terminals are moved toward and away from each other, the relative position of the pipe portion between the first and second terminals varies, so the movement amount (stroke amount) of the first and second terminals is small. However, the amount of expansion / contraction of the extra length portion can be increased, and the work efficiency is excellent.

本発明の実施形態１に係るワイヤハーネスにおいて、電線が管部に短縮状態で保持されている状態を示す正面図である。In the wire harness which concerns on Embodiment 1 of this invention, an electric wire is a front view which shows the state currently hold | maintained by the pipe part in the shortened state. 電線が管部に伸長状態で保持されている状態を示す正面図である。It is a front view which shows the state by which the electric wire is hold | maintained in the expansion | extension state by the pipe part. 電線が短縮状態で収容されている状態を示すランス装置への組付図である。It is an assembly | attachment figure to the lance apparatus which shows the state in which the electric wire was accommodated in the shortened state. 電線が伸長状態で引き伸ばされた状態を示すランプ装置の分解図である。It is an exploded view of the lamp device which shows the state where the electric wire was extended in the extended state. 参考例１に係るワイヤハーネスにおいて、電線が短縮状態で保持されている状態を示す正面図である。In the wire harness which concerns on the reference example 1, it is a front view which shows the state by which the electric wire is hold | maintained in the shortened state. 電線が伸長状態で保持されている状態を示す正面図である。It is a front view which shows the state by which the electric wire is hold | maintained in the expansion | extension state. 参考例２に係るワイヤハーネスにおいて、電線が棒材に短縮状態で保持されている状態を示す正面図である。In the wire harness which concerns on the reference example 2, it is a front view which shows the state by which the electric wire is hold | maintained at the bar material in the shortened state. 電線が棒材に伸長状態で保持されている状態を示す正面図である。It is a front view which shows the state by which the electric wire is hold | maintained in the extending | stretching state by the bar.

＜実施形態１＞
本発明の実施形態１を図１ないし図４によって説明する。実施形態１に係るワイヤハーネスは、電線１０と、管部６０とを備えている。 <Embodiment 1>
A first embodiment of the present invention will be described with reference to FIGS. The wire harness according to the first embodiment includes an electric wire 10 and a pipe portion 60.

電線１０は、芯線の周りを絶縁被覆で包囲した被覆電線からなる。本実施形態の場合、複数本が束ねられ、各電線１０は、長さ方向の適宜箇所に巻き付けられるテープ２０によって、電線群１０Ａとして、ばらけないように一体化されている。電線群１０Ａの長さ方向一端は第１端末１１とされ、電線群１０Ａの長さ方向他端は第２端末１２とされている（図３を参照）。第１、第２端末１１、１２は、それぞれ、端子等に接続された状態でコネクタ等の取付部材９０に装着されるようになっている。 The electric wire 10 is a covered electric wire in which a core wire is surrounded by an insulating coating. In the case of the present embodiment, a plurality of wires are bundled, and each electric wire 10 is integrated as a wire group 10 A so as not to be separated by a tape 20 wound around an appropriate portion in the length direction. One end in the length direction of the wire group 10A is the first terminal 11, and the other end in the length direction of the wire group 10A is the second terminal 12 (see FIG. 3). Each of the first and second terminals 11 and 12 is attached to an attachment member 90 such as a connector while being connected to a terminal or the like.

管部６０は、円管状であって、可撓性の樹脂製チューブからなる。本実施形態の場合、管部６０は、例えば、１ｃｍ〜３ｃｍの長さに調整されている。管部６０内は、電線群１０Ａが挿入される貫通孔６１とされ、管部６０の長さ方向一端は、第１開口端６２とされ、管部６０の長さ方向他端は、第２開口端６３とされている。 The tube part 60 is a circular tube and is made of a flexible resin tube. In the case of this embodiment, the pipe part 60 is adjusted to a length of 1 cm to 3 cm, for example. Inside the tube portion 60 is a through hole 61 into which the wire group 10A is inserted, one end in the length direction of the tube portion 60 is a first opening end 62, and the other end in the length direction of the tube portion 60 is a second. An opening end 63 is provided.

ここで、電線群１０Ａの第１端末１１は、第１開口端６２を通して管部６０の貫通孔６１内に挿入され、さらに第２開口端６３から外部に引き出される。一方、電線群１０Ａの第２端末１２は、第２開口端６３を通して管部６０の貫通孔６１内に挿入され、さらに第１開口端６２から外部に引き出される。これにより、電線群１０Ａの中間部１３Ａ、１３Ｂは、管部６０の貫通孔６１内に交差状態に収容され、電線群１０Ａのスプリングバック作用によって、貫通孔６１の内周面に所定の摩擦力をもって弾性的に接触するようになっている。 Here, the first terminal 11 of the electric wire group 10 A is inserted into the through hole 61 of the pipe portion 60 through the first opening end 62, and is further drawn out from the second opening end 63. On the other hand, the second terminal 12 of the electric wire group 10 A is inserted into the through hole 61 of the pipe part 60 through the second opening end 63, and is further pulled out from the first opening end 62. Thereby, the intermediate portions 13A and 13B of the wire group 10A are accommodated in the through hole 61 of the tube portion 60 in an intersecting state, and a predetermined frictional force is applied to the inner peripheral surface of the through hole 61 by the springback action of the wire group 10A. It comes to contact elastically.

そして、第１、第２端末１１、１２が管部６０内に互いに交差して挿通された状態では、管部６０外において、電線群１０Ａの余長部１４が円環状に回曲させられることとなる。なお、電線群１０Ａの中間部１３Ａ、１３Ｂは、余長部１４を挟んだ両側の部分で対をなし、第１端末１１側の第１中間部１３Ａと、第２端末１２側の第２中間部１３Ｂとで構成されている。 In the state where the first and second terminals 11 and 12 are inserted into the tube portion 60 so as to cross each other, the extra length portion 14 of the electric wire group 10A is turned in an annular shape outside the tube portion 60. It becomes. The intermediate portions 13A and 13B of the electric wire group 10A are paired at both sides sandwiching the extra length portion 14, and the first intermediate portion 13A on the first terminal 11 side and the second intermediate on the second terminal 12 side. It is comprised with the part 13B.

次に、本実施形態に係るワイヤハーネスの使用状況について説明する。
管部６０内を貫通した第１、第２端末１１、１２は、取付部材９０に装着される。本実施形態の場合、ワイヤハーネスは、自動車のヘッドランプ等のランプ装置５０内に組み込まれる（図３を参照）。ランプ装置５０は、ランプボディ５１及びランプカバー５２によって区画されるランプ室５３と、ランプ室５３内に配置される光源としてのリフレクタ５４及びレンズ５５と、ランプ室５３内においてレンズ５５の周囲からランプカバー５２にかけて延在するエクステンション５６とを備えている。ワイヤハーネスは、同じくランプ室５３内に配置され、その一端（第１、第２端末１１、１２のうちのいずれか一方）がリフレクタ５４に接続され、その他端（第１、第２端末１１、１２のうちのいずれか他方）がランプボディ５１を貫通して車両側のコネクタ４０に接続されている。 Next, the usage situation of the wire harness which concerns on this embodiment is demonstrated.
The first and second terminals 11 and 12 penetrating through the pipe portion 60 are attached to the attachment member 90. In the case of the present embodiment, the wire harness is incorporated in a lamp device 50 such as a headlamp of an automobile (see FIG. 3). The lamp device 50 includes a lamp chamber 53 defined by a lamp body 51 and a lamp cover 52, a reflector 54 and a lens 55 as a light source disposed in the lamp chamber 53, and a lamp from the periphery of the lens 55 in the lamp chamber 53. An extension 56 extending to the cover 52 is provided. The wire harness is also disposed in the lamp chamber 53, and one end (one of the first and second terminals 11 and 12) is connected to the reflector 54, and the other end (the first and second terminals 11 and 12). Any one of 12) penetrates the lamp body 51 and is connected to the connector 40 on the vehicle side.

上記のように、ワイヤハーネスの配索スペースは、ランプ室５３内の限られた範囲に制約されている。このため、ランプ装置５０内に組み付けられた状態では、電線群１０Ａは、その長さ（第１、第２端末１１、１２間の直線距離）を短くした短縮状態で収容されることが求められる。一方、組み付けの過程又は取り外しの過程では、電線群１０Ａは、作業の利便性から、その長さを長くした伸長状態になることが求められる（図４を参照）。 As described above, the wiring harness wiring space is restricted to a limited range in the lamp chamber 53. For this reason, in the state assembled | attached in the lamp apparatus 50, it is calculated | required that 10 A of electric wire groups are accommodated in the shortened state which shortened the length (The linear distance between the 1st, 2nd terminals 11 and 12). . On the other hand, in the process of assembling or removing, the electric wire group 10A is required to be in an extended state in which the length is increased for convenience of work (see FIG. 4).

電線群１０Ａを短縮状態にするには、第１、第２端末１１、１２を互いに接近する向きに変位させればよい。すると、第１、第２中間部１３Ａ、１３Ｂが互いに摺接するとともに、第１、第２中間部１３Ａ、１３Ｂが管部６０の貫通孔６１の内周面に摺接し、それに伴って余長部１４が拡径させられる。こうして余長部１４の長さが周方向に長くなると、第１、第２端末１１、１２の動作量に応じて、電線群１０Ａの長さが短縮させられる（図１を参照）。なお、組み付け状態では、電線群１０Ａの余長部１４がクリップ５８によってランプボディ５１に固定されている。 In order to bring the electric wire group 10A into a shortened state, the first and second terminals 11 and 12 may be displaced so as to approach each other. Then, the first and second intermediate portions 13A and 13B are slidably contacted with each other, and the first and second intermediate portions 13A and 13B are slidably contacted with the inner peripheral surface of the through hole 61 of the pipe portion 60. 14 is expanded. When the length of the extra length portion 14 becomes longer in the circumferential direction in this way, the length of the electric wire group 10A is shortened according to the operation amounts of the first and second terminals 11 and 12 (see FIG. 1). In the assembled state, the extra length portion 14 of the wire group 10 A is fixed to the lamp body 51 by the clip 58.

これに対し、電線群１０Ａを伸長状態にするには、第１、第２端末１１、１２を互いに離間する向きに変位させればよい。すると、第１、第２中間部１３Ａ、１３Ｂが互いに摺接するとともに、第１、第２中間部１３Ａ、１３Ｂが管部６０の貫通孔６１の内周面に摺接し、それに伴って余長部１４が縮径させられる。こうして余長部１４の長さが周方向に短くなると、第１、第２端末１１、１２の動作量に応じて、電線群１０Ａの長さが伸長させられる（図２を参照）。 On the other hand, in order to bring the electric wire group 10A into the extended state, the first and second terminals 11 and 12 may be displaced in directions away from each other. Then, the first and second intermediate portions 13A and 13B are slidably contacted with each other, and the first and second intermediate portions 13A and 13B are slidably contacted with the inner peripheral surface of the through hole 61 of the pipe portion 60. 14 is reduced in diameter. When the length of the extra length portion 14 is shortened in the circumferential direction in this manner, the length of the electric wire group 10A is extended according to the operation amounts of the first and second terminals 11 and 12 (see FIG. 2).

電線群１０Ａが短縮状態又は伸長状態にあるとき、第１、第２中間部１３Ａ、１３Ｂが管部６０の貫通孔６１の内周面に弾性的に当接することで、電線群１０Ａが短縮状態又は伸長状態に保持される。また、第１、第２端末１１、１２の変位動作に伴い、電線群１０Ａに沿って管部６０全体が押し引きされ、第１、第２端末１１、１２間における管部６０の相対位置が変動する。このため、第１、第２端末１１、１２の変位量（ストローク量）以上に、余長部１４の拡縮動作がなされるようになっている。 When the wire group 10A is in a shortened state or an extended state, the first and second intermediate portions 13A and 13B elastically contact the inner peripheral surface of the through hole 61 of the tube portion 60, so that the wire group 10A is in a shortened state. Alternatively, it is held in an extended state. Further, along with the displacement operation of the first and second terminals 11 and 12, the entire pipe part 60 is pushed and pulled along the electric wire group 10A, and the relative position of the pipe part 60 between the first and second terminals 11 and 12 is increased. fluctuate. For this reason, the expansion / contraction operation | movement of the surplus length part 14 is made more than the displacement amount (stroke amount) of the 1st, 2nd terminals 11 and 12. FIG.

以上説明したように、本実施形態によれば、ワイヤハーネスの電線群１０Ａの長さ調整を行うに際し、長さ調整部材として、管状の管部６０を用意すれば足りるから、構成の簡素化が実現される。また、第１、第２端末１１、１２の変位動作に連動して長さ調整が行われるから、長さ調整時の作業性が改善される。 As described above, according to the present embodiment, when the length of the wire group 10A of the wire harness is adjusted, it is sufficient to prepare the tubular tube portion 60 as the length adjusting member. Realized. Further, since the length adjustment is performed in conjunction with the displacement operation of the first and second terminals 11 and 12, workability at the time of length adjustment is improved.

さらに、第１、第２端末１１、１２を互いに接近・離間させた場合に、第１、第２端末１１、１２間における管部６０の相対位置が変動するため、第１、第２端末１１、１２の動作量が小さくても、余長部１４の拡縮量を大きくとることができ、作業効率に優れる。 Furthermore, when the first and second terminals 11 and 12 are moved closer to and away from each other, the relative position of the pipe portion 60 between the first and second terminals 11 and 12 varies, so the first and second terminals 11 and 11 Even if the movement amount of 12 is small, the enlargement / reduction amount of the extra length portion 14 can be increased, and the working efficiency is excellent.

＜参考例１＞
図５及び図６は、参考例１を示す。このものは、実施形態１と違って、管部６０を有さず、ワイヤハーネスの電線群１０Ａのみで構成されている。 <Reference Example 1>
5 and 6 show Reference Example 1. FIG. Unlike Embodiment 1, this thing does not have the pipe part 60, but is comprised only by the electric wire group 10A of a wire harness.

電線群１０Ａは、その中間部１３Ａ、１３Ｂで１重に結び付けられ、その結び目１９の部分の摩擦抵抗によって所定長さに保持されている。第１、第２端末１１、１２を互いに接近させれば、余長部１４が拡径し、第１、第２端末１１、１２を互いに離間させれば、余長部１４が縮径する点は、実施形態１と同様である。しかし、参考例１は、管部６０を有さないため、実施形態１に比べ、伸縮動作の円滑性に欠ける嫌いがある。 The electric wire group 10 A is single-bound at the intermediate portions 13 A and 13 B, and is held at a predetermined length by the frictional resistance of the knot 19 portion. If the first and second terminals 11 and 12 are brought closer to each other, the extra length portion 14 is expanded, and if the first and second terminals 11 and 12 are separated from each other, the extra length portion 14 is reduced in diameter. Is the same as in the first embodiment. However, since the reference example 1 does not have the pipe part 60, compared with the first embodiment, there is a lack of smoothness of the expansion and contraction operation.

＜参考例２＞
図７及び図８は、参考例２を示す。このものは、電線群１０Ａと、電線群１０Ａの長さ方向に間隔をあけつつ同電線群１０Ａに沿って配置される複数の棒状部７１と、各棒状部７１の両端部及び電線群１０Ａに巻き付けられて両者を固定するテープ等の固定部７２とを備えている。各棒状部７１はほぼ同じ長さに揃えられ、電線群１０Ａの各棒状部７１間はほぼ同じ間隔に揃えられている。電線群１０Ａのうち、各棒状部７１で支持される部分は硬質部７３とされ、各棒状部７１間は柔軟部７４とされ、硬質部７３と柔軟部７４との間は節部７５とされる。 <Reference Example 2>
7 and 8 show Reference Example 2. FIG. This includes an electric wire group 10A, a plurality of rod-like portions 71 arranged along the electric wire group 10A while being spaced apart in the length direction of the electric wire group 10A, both ends of each rod-like portion 71 and the electric wire group 10A. A fixing portion 72 such as a tape that is wound to fix the two is provided. The rod-like portions 71 are arranged to have substantially the same length, and the rod-like portions 71 of the electric wire group 10A are arranged at substantially the same interval. In the electric wire group 10 A, a portion supported by each rod-like portion 71 is a hard portion 73, a portion between each rod-like portion 71 is a flexible portion 74, and a portion between the hard portion 73 and the flexible portion 74 is a node portion 75. The

ここで、第１、第２端末１１、１２を互いに接近する向きに変位させると、節部７５を略支点として、電線群１０Ａが折り畳まれ、電線群１０Ａが短縮状態に保持される。このとき、硬質部７３は各棒状部７１によって直線状に延出する状態に保たれ、柔軟部７４は略Ｕ字状に屈曲する状態に保たれる（図７を参照）。一方、第１、第２端末１１、１２を互いに離間する向きに変位させると、柔軟部７４の屈曲状態が解除され、電線群１０Ａが全体的に引き伸ばされた伸長状態に保持される（図８を参照）。参考例２では、短縮状態でワイヤハーネスをコンパクトにまとめることができるものの、実施形態１に比べ、構成が複雑になる嫌いがある。 Here, when the first and second terminals 11 and 12 are displaced toward each other, the wire group 10A is folded around the node 75 as a substantially fulcrum, and the wire group 10A is held in a shortened state. At this time, the hard part 73 is kept in a state of extending linearly by the respective bar-like parts 71, and the flexible part 74 is kept in a state of being bent in a substantially U shape (see FIG. 7). On the other hand, when the first and second terminals 11 and 12 are displaced in directions away from each other, the bent state of the flexible portion 74 is released, and the electric wire group 10A is held in an extended state as a whole (FIG. 8). See). In Reference Example 2, although the wire harness can be compactly gathered in a shortened state, there is a discomfort in the configuration as compared with Embodiment 1.

＜他の実施形態＞
本発明は上記記述及び図面によって説明した実施形態に限定されるものではなく、例えば次のような実施形態も本発明の技術的範囲に含まれる。
（１）電線が１本のみからなるものであってもよい。
（２）管部が金属製であってもよい。
（３）本発明は、ランプ装置内に配索されるワイヤハーネス以外にも適用可能である。 <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) The electric wire may consist of only one.
(2) The pipe part may be made of metal.
(3) The present invention can be applied to other than wire harnesses arranged in the lamp device.

１０…電線
１０Ａ…電線群
１１…第１端末
１２…第２端末
１３Ａ…第１中間部（中間部分）
１３Ｂ…第２中間部（中間部分）
１４…余長部
６０…管部
６２…第１開口端
６３…第２開口端 DESCRIPTION OF SYMBOLS 10 ... Electric wire 10A ... Electric wire group 11 ... 1st terminal 12 ... 2nd terminal 13A ... 1st intermediate part (intermediate part)
13B ... 2nd intermediate part (intermediate part)
14 ... extra length part 60 ... pipe part 62 ... 1st opening end 63 ... 2nd opening end

Claims

A wire harness with adjustable length,
An electric wire having first and second terminals;
A tubular tube portion having first and second open ends,
The first terminal is inserted into the tube portion from the first opening end and pulled out of the tube portion from the second opening end,
The second terminal is inserted into the tube portion from the second opening end and pulled out of the tube portion from the first opening end,
While accommodating and holding the intermediate portion of the electric wire in the tube portion in an intersecting state, and having a state in which the extra length portion of the electric wire is circularly bent outside the tube portion,
When the first and second terminals are moved closer to or away from each other, the intermediate portion of the electric wire is in sliding contact with the inner surface of the tube portion, and the extra length portion of the electric wire is enlarged or reduced in diameter. Wire harness to be used.

The wire harness according to claim 1, wherein the relative position of the pipe portion between the first and second terminals varies when the first and second terminals are moved toward and away from each other.