JP6981892B2 - Wire harness and wire harness manufacturing method - Google Patents

Wire harness and wire harness manufacturing method Download PDF

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JP6981892B2
JP6981892B2 JP2018019873A JP2018019873A JP6981892B2 JP 6981892 B2 JP6981892 B2 JP 6981892B2 JP 2018019873 A JP2018019873 A JP 2018019873A JP 2018019873 A JP2018019873 A JP 2018019873A JP 6981892 B2 JP6981892 B2 JP 6981892B2
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electric wires
exterior member
mounting portion
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博一 島津
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Yazaki Corp
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Description

本発明は、ワイヤハーネス及びワイヤハーネス製造方法に関する。詳細には、少なくとも一端側に屈曲部が設けられた複数の電線の外周が外装部材によって覆われるワイヤハーネス及びワイヤハーネス製造方法に関する。 The present invention relates to a wire harness and a method for manufacturing a wire harness. More specifically, the present invention relates to a wire harness and a method for manufacturing a wire harness in which the outer periphery of a plurality of electric wires provided with a bent portion on at least one end side is covered with an exterior member.

従来、ワイヤハーネスとしては、少なくとも一端側に屈曲部が設けられる複数の電線と、屈曲部を外部に露出させ複数の電線の外周を覆う外装部材としてのコルゲートチューブとを備えたものが知られている（例えば、特許文献１参照）。 Conventionally, as a wire harness, a wire harness having a plurality of electric wires having a bent portion on at least one end side and a corrugated tube as an exterior member for exposing the bent portion to the outside and covering the outer periphery of the plurality of electric wires is known. (For example, see Patent Document 1).

このワイヤハーネスでは、複数の電線のコルゲートチューブに覆われる部分が、コルゲートチューブの長さより長い余長部分を有するように設定されており、余長部分によって屈曲部で屈曲される複数の電線にかかる負荷を吸収することができる。 In this wire harness, the portion of the wire harness covered by the corrugated tube is set to have an extra length portion longer than the length of the corrugated tube, and the extra length portion covers the plurality of electric wires bent at the bent portion. It can absorb the load.

特開２００４−６２１０号公報Japanese Unexamined Patent Publication No. 2004-6210

ところで、上記特許文献１のようなワイヤハーネスでは、複数の電線の外装部材に覆われる部分である外装取付部が、外装部材の長さより長い余長部分を有するので、外装部材の内部で外装取付部が弛んだ状態で配置されている。 By the way, in a wire harness as described in Patent Document 1, since the exterior mounting portion, which is a portion covered by the exterior member of a plurality of electric wires, has an extra length portion longer than the length of the exterior member, the exterior mounting portion is inside the exterior member. The part is arranged in a loose state.

このような外装部材の内部における電線の弛みは、外装部材の内部で電線に突っ張りが生じ、外装部材の内径より複数の電線の外径が張り出してしまい、外装取付部に外装部材を組付け難くするなど、外装部材に悪影響を及ぼす恐れがあった。 Such slackening of the electric wire inside the exterior member causes tension in the electric wire inside the exterior member, and the outer diameters of a plurality of electric wires protrude from the inner diameter of the exterior member, making it difficult to assemble the exterior member to the exterior mounting portion. There was a risk of adversely affecting the exterior members.

そこで、この発明は、外装部材への影響を抑制することができるワイヤハーネス及びワイヤハーネス製造方法の提供を目的としている。 Therefore, an object of the present invention is to provide a wire harness and a method for manufacturing a wire harness that can suppress the influence on the exterior member.

請求項１記載の発明は、少なくとも一端側に屈曲部が設けられる複数の電線と、前記屈曲部を外部に露出させ複数の前記電線の外周を覆う外装部材と、複数の前記電線の前記外装部材に覆われる部分に設けられ前記外装部材の長さより長い余長部分を有する外装取付部と、前記外装取付部の両側で前記外装部材の外部に露出する部分に設けられ前記外装取付部の余長部分を前記外装部材の外部に配置させ前記外装取付部の長さを前記外装部材の長さと同等に保持する一対の固定部とを有することを特徴とするワイヤハーネスである。 The invention according to claim 1 is a plurality of electric wires having a bent portion on at least one end side, an exterior member that exposes the bent portion to the outside and covers the outer periphery of the plurality of electric wires, and the exterior member of the plurality of the electric wires. The exterior mounting portion provided in the portion covered with the outer member and having an extra length portion longer than the length of the exterior member, and the extra length of the exterior mounting portion provided in the portions exposed to the outside of the exterior member on both sides of the exterior mounting portion. It is a wire harness characterized by having a pair of fixing portions having a portion arranged outside the exterior member and holding the length of the exterior mounting portion equal to the length of the exterior member.

このワイヤハーネスでは、外装取付部の両側で外装部材の外部に露出する部分に、外装取付部の余長部分を外装部材の外部に配置させ外装取付部の長さを外装部材の長さと同等に保持する一対の固定部が設けられているので、外装部材の内部に外装取付部の余長部分が配置されることがない。 In this wire harness, the extra length portion of the exterior mounting portion is arranged outside the exterior member in the portion exposed to the outside of the exterior member on both sides of the exterior mounting portion, and the length of the exterior mounting portion is made equal to the length of the exterior member. Since the pair of fixing portions for holding are provided, the extra length portion of the exterior mounting portion is not arranged inside the exterior member.

従って、このようなワイヤハーネスでは、外装部材の内部で電線が弛むことがなく、外装部材と電線との干渉を防止することができ、外装部材への影響を抑制することができる。 Therefore, in such a wire harness, the electric wire does not loosen inside the exterior member, interference between the exterior member and the electric wire can be prevented, and the influence on the exterior member can be suppressed.

請求項２記載の発明は、一対のフォーク治具の間に前記フォーク治具の間より長い余長部分を有して複数の電線を配置させる第１工程と、ならし治具によって複数の前記電線の余長部分を一対の前記フォーク治具側に向けて移動させる第２工程と、一対の前記フォーク治具の近傍に前記ならし治具によって成形された複数の前記電線の状態を保持する一対の固定部を設ける第３工程と、一対の前記固定部の間に位置する複数の前記電線の外周に外装部材を組付ける第４工程とを有することを特徴とするワイヤハーネス製造方法である。 The invention according to claim 2 is a first step of arranging a plurality of electric wires between a pair of fork jigs with a longer extra length portion than between the fork jigs, and a plurality of the above by a break-in jig. The second step of moving the extra length portion of the electric wire toward the pair of fork jigs and the state of the plurality of electric wires formed by the break-in jig are held in the vicinity of the pair of fork jigs. It is a wire harness manufacturing method characterized by having a third step of providing a pair of fixing portions and a fourth step of assembling an exterior member to the outer periphery of a plurality of the electric wires located between the pair of fixing portions. ..

このワイヤハーネス製造方法では、一対のフォーク治具の近傍に、ならし治具によって成形された複数の電線の状態を保持する一対の固定部を設けるので、一対の固定部の間に位置する複数の電線が弛むことがない。 In this wire harness manufacturing method, since a pair of fixing portions for holding the state of a plurality of electric wires formed by the break-in jig are provided in the vicinity of the pair of fork jigs, a plurality of fixing portions located between the pair of fixing portions are provided. The wire does not loosen.

従って、このようなワイヤハーネス製造方法では、複数の電線が弛んでいない一対の固定部の間に外装部材が組付けられるので、外装部材と電線との干渉を防止することができ、外装部材への影響を抑制することができる。 Therefore, in such a wire harness manufacturing method, since the exterior member is assembled between the pair of fixed portions in which the plurality of electric wires are not loosened, it is possible to prevent the exterior member from interfering with the electric wire, and the exterior member can be used. The influence of can be suppressed.

本発明によれば、外装部材への影響を抑制することができるワイヤハーネス及びワイヤハーネス製造方法を提供することができるという効果を奏する。 According to the present invention, it is possible to provide a wire harness and a method for manufacturing a wire harness that can suppress the influence on the exterior member.

本発明の実施の形態に係るワイヤハーネスの斜視図である。It is a perspective view of the wire harness which concerns on embodiment of this invention. 本発明の実施の形態に係るワイヤハーネスの複数の電線の外装取付部を一対のフォーク治具間に配置したときの斜視図である。It is a perspective view when the exterior attachment part of the plurality of electric wires of the wire harness which concerns on embodiment of this invention is arranged between a pair of fork jigs. 本発明の実施の形態に係るワイヤハーネスの複数の電線の外装取付部をならし治具でならすときの斜視図である。It is a perspective view when the exterior attachment part of the plurality of electric wires of the wire harness which concerns on embodiment of this invention is smoothed with a smoothing jig. 本発明の実施の形態に係るワイヤハーネスの複数の電線の外装取付部に一対の固定部を設けたときの斜視図である。It is a perspective view when a pair of fixing portions are provided in the exterior mounting portions of a plurality of electric wires of the wire harness according to the embodiment of the present invention.

図１〜図４を用いて本発明の実施の形態に係るワイヤハーネス及びワイヤハーネス製造方法について説明する。 The wire harness and the wire harness manufacturing method according to the embodiment of the present invention will be described with reference to FIGS. 1 to 4.

本実施の形態に係るワイヤハーネス１は、少なくとも一端側に屈曲部が設けられる複数の電線３と、屈曲部を外部に露出させ複数の電線３の外周を覆う外装部材５と、複数の電線３の外装部材５に覆われる部分に設けられ外装部材５の長さより長い余長部分を有する外装取付部７とを備えている。 The wire harness 1 according to the present embodiment includes a plurality of electric wires 3 having a bent portion on at least one end side, an exterior member 5 that exposes the bent portion to the outside and covers the outer periphery of the plurality of electric wires 3, and a plurality of electric wires 3. It is provided with an exterior mounting portion 7 provided in a portion covered with the exterior member 5 and having an extra length portion longer than the length of the exterior member 5.

そして、外装取付部７の両側で外装部材５の外部に露出する部分には、外装取付部７の余長部分を外装部材５の外部に配置させ外装取付部７の長さを外装部材５の長さと同等に保持する一対の固定部９，９が設けられている。 Then, in the portions exposed to the outside of the exterior member 5 on both sides of the exterior mounting portion 7, the extra length portion of the exterior mounting portion 7 is arranged outside the exterior member 5, and the length of the exterior mounting portion 7 is set to the length of the exterior member 5. A pair of fixing portions 9 and 9 for holding the length equal to the length are provided.

また、本実施の形態に係るワイヤハーネス製造方法は、一対のフォーク治具１１，１１の間にフォーク治具１１，１１の間より長い余長部分を有して複数の電線３を配置させる第１工程と、ならし治具１３によって複数の電線３の余長部分を一対のフォーク治具１１，１１側に向けて移動させる第２工程と、一対のフォーク治具１１，１１の近傍にならし治具１３によって成形された複数の電線３の状態を保持する一対の固定部９，９を設ける第３工程と、一対の固定部９，９の間に位置する複数の電線３の外周に外装部材５を組付ける第４工程とを有する。 Further, in the wire harness manufacturing method according to the present embodiment, a plurality of electric wires 3 are arranged between the pair of fork jigs 11 and 11 with a longer extra length portion than between the fork jigs 11 and 11. One step, the second step of moving the extra length portion of the plurality of electric wires 3 toward the pair of fork jigs 11 and 11 by the break-in jig 13, and the vicinity of the pair of fork jigs 11 and 11. In the third step of providing a pair of fixing portions 9 and 9 for holding the state of the plurality of electric wires 3 formed by the jig 13, and on the outer periphery of the plurality of electric wires 3 located between the pair of fixing portions 9 and 9. It has a fourth step of assembling the exterior member 5.

図１〜図４に示すように、ワイヤハーネス１は、複数の電線３を束ねた電線束からなり、車両ボディ（不図示）に配索される。 As shown in FIGS. 1 to 4, the wire harness 1 is composed of a bundle of electric wires in which a plurality of electric wires 3 are bundled, and is arranged in a vehicle body (not shown).

このワイヤハーネス１の複数の電線３は、車両ボディに配索された状態で、屈曲部（不図示）を介して屈曲され、車両に搭載された電源や機器などに電気的に接続される。 The plurality of electric wires 3 of the wire harness 1 are bent through a bent portion (not shown) in a state of being arranged in the vehicle body, and are electrically connected to a power source or equipment mounted on the vehicle.

このようなワイヤハーネス１では、複数の電線３の外周に、屈曲部を外部に露出するように、コルゲートチューブなどの長さ方向に沿ってスリット（不図示）が設けられた外装部材５が組付けられる。 In such a wire harness 1, an exterior member 5 having slits (not shown) provided along the length direction of a corrugated tube or the like is assembled on the outer periphery of the plurality of electric wires 3 so as to expose the bent portion to the outside. Attached.

この外装部材５によって覆われる部分である複数の電線３の外装取付部７は、外装部材５の長さより長い余長部分を有するように設定されている。 The exterior mounting portion 7 of the plurality of electric wires 3 which is a portion covered by the exterior member 5 is set to have an extra length portion longer than the length of the exterior member 5.

ここで、ワイヤハーネス１では、複数の電線３の屈曲部が位置する部分において、内側の電線３と外側の電線３とでは曲率半径が異なる。 Here, in the wire harness 1, the radius of curvature differs between the inner electric wire 3 and the outer electric wire 3 in the portion where the bent portions of the plurality of electric wires 3 are located.

このため、例えば、複数の電線３を屈曲部を介して屈曲させて電源や機器などに接続する場合には、内側の電線３では電線３の長さを短く、外側の電線３では電線３の長さを長く設定する必要がある。 Therefore, for example, when a plurality of electric wires 3 are bent through a bent portion to be connected to a power source or a device, the length of the electric wire 3 is shortened in the inner electric wire 3 and the length of the electric wire 3 is shortened in the outer electric wire 3. It is necessary to set the length long.

そこで、外装取付部７に外装部材５の長さより長い余長部分をもたせることにより、複数の電線３の長さを同一長さに設定しても、屈曲部における内側の電線３と外側の電線３との必要な長さの違いを余長部分によって吸収することができ、ワイヤハーネス１の組付けにおける複数の電線３にかかる負荷を吸収することができる。 Therefore, by providing the exterior mounting portion 7 with an extra length portion longer than the length of the exterior member 5, even if the lengths of the plurality of electric wires 3 are set to the same length, the inner electric wire 3 and the outer electric wire at the bent portion are set. The difference in required length from 3 can be absorbed by the extra length portion, and the load applied to the plurality of electric wires 3 in the assembly of the wire harness 1 can be absorbed.

しかしながら、外装取付部７は、その余長部分によって弛みが生じてしまうので、外装部材５の内径より複数の電線３の外径が張り出してしまい、外装取付部７に外装部材５を組付け難くしていた。 However, since the exterior mounting portion 7 is loosened due to its extra length portion, the outer diameters of the plurality of electric wires 3 project from the inner diameter of the exterior member 5, making it difficult to assemble the exterior member 5 to the exterior mounting portion 7. Was.

この外装取付部７の弛みを無くすために、余長部分を外装取付部７の長さ方向の外側に移動するように、作業者が手で外装取付部７の外周をならしていたが、作業者によって出来栄えにバラツキが生じていた。 In order to eliminate the slack in the exterior mounting portion 7, the operator manually smoothed the outer circumference of the exterior mounting portion 7 so as to move the extra length portion to the outside in the length direction of the exterior mounting portion 7. There were variations in the workmanship depending on the worker.

また、外装取付部７をならしても、そのならされた外装取付部７の状態を保持しながら外装部材５を組付けなければならず、組付性が低下していた。 Further, even if the exterior mounting portion 7 is smoothed, the exterior member 5 must be assembled while maintaining the state of the smoothed exterior mounting portion 7, and the assembling property is deteriorated.

そこで、ワイヤハーネス１の外装取付部７は、ならし治具１３によってならされ、ならし治具１３によってならされた後、外装取付部７の長さ方向の両側に一対の固定部９，９が設けられる。 Therefore, the exterior mounting portion 7 of the wire harness 1 is smoothed by the leveling jig 13, and after being leveled by the leveling jig 13, a pair of fixing portions 9, 9 on both sides of the exterior mounting portion 7 in the length direction. Is provided.

ならし治具１３は、操作部１５と、ならし部１７と、変換部１９とを備えている。 The leveling jig 13 includes an operation unit 15, a leveling unit 17, and a conversion unit 19.

操作部１５は、治具台上に配置された一対のフォーク治具１１，１１間に配置された複数の電線３の外装取付部７の上方に上下方向に移動可能に配置され、作業者などによって下方に向けて押圧して操作される。 The operation unit 15 is arranged so as to be movable in the vertical direction above the exterior mounting portions 7 of the plurality of electric wires 3 arranged between the pair of fork jigs 11 and 11 arranged on the jig base, and the operator or the like. It is operated by pressing it downward.

ならし部１７は、複数の電線３の外周を覆うようにコ字状に一対形成され、外装取付部７の長さ方向の両側にそれぞれ移動可能に配置され、複数の電線３と当接して移動により、外装取付部７の余長部分を外装取付部７の長さ方向の両側に向けて移動させ、外装取付部７の弛みをならす。 The break-in portions 17 are formed in a U-shape so as to cover the outer periphery of the plurality of electric wires 3, and are movably arranged on both sides of the exterior mounting portion 7 in the length direction, and are in contact with the plurality of electric wires 3. By moving, the extra length portion of the exterior mounting portion 7 is moved toward both sides in the length direction of the exterior mounting portion 7, and the slack of the exterior mounting portion 7 is smoothed.

変換部１９は、操作部１５と一体に設けられた支柱２１と、支柱２１に第１関節２３を介して回動可能に設けられた第１アーム２５及び第２アーム２７と、第１アーム２５に第２関節２９を介して回動可能に設けられた第３アーム３１と、第２アーム２７に第３関節３３を介して回動可能に設けられた第４アーム３５とを有し、一対のならし部１７，１７が第４関節３７及び第５関節３９を介して回動可能に第３アーム３１及び第４アーム３５と連結されている。 The conversion unit 19 includes a support column 21 integrally provided with the operation unit 15, a first arm 25 and a second arm 27 rotatably provided on the support column 21 via the first joint 23, and a first arm 25. A pair of a third arm 31 rotatably provided via a second joint 29 and a fourth arm 35 rotatably provided on the second arm 27 via a third joint 33. The smoothing portions 17 and 17 are rotatably connected to the third arm 31 and the fourth arm 35 via the fourth joint 37 and the fifth joint 39.

このならし治具１３は、操作部１５の押圧操作により、変換部１９で押圧力が一対のならし部１７，１７の移動力に変換され、一対のならし部１７，１７によって外装取付部７の余長部分が長さ方向の両側に位置する一対のフォーク治具１１，１１側に向けて移動され、外装取付部７の弛みをならす。 In this break-in jig 13, the pressing force is converted into the moving force of the pair of break-in portions 17 and 17 by the conversion unit 19 by the pressing operation of the operation portion 15, and the exterior mounting portion is converted by the pair of break-in portions 17 and 17. The extra length portion of 7 is moved toward the pair of fork jigs 11 and 11 located on both sides in the length direction, and the slack of the exterior mounting portion 7 is smoothed.

このようなならし治具１３によって外装取付部７の弛みをならすことにより、ワイヤハーネス１の外装取付部７の出来栄えにバラツキが生じることがなく、製品の均一化を図ることができる。 By smoothing the slack in the exterior mounting portion 7 with such a leveling jig 13, the workmanship of the exterior mounting portion 7 of the wire harness 1 does not vary, and the product can be made uniform.

このようにならし治具１３によってならされた外装取付部７の両側で外装部材５の外部に露出する部分には、一対の固定部９，９が設けられる。 A pair of fixing portions 9 and 9 are provided on both sides of the exterior mounting portion 7 smoothed by the leveling jig 13 so as to be exposed to the outside of the exterior member 5.

一対の固定部９，９は、外装取付部７の両側で外装部材５の外部に露出する部分に配置され、複数の電線３の外周にテープを巻き付けることによって形成される。 The pair of fixing portions 9 and 9 are arranged on both sides of the exterior mounting portion 7 so as to be exposed to the outside of the exterior member 5, and are formed by winding a tape around the outer periphery of the plurality of electric wires 3.

この一対の固定部９，９は、外装取付部７をならし治具１３によってならした後、余長部分が外装部材５の外側に移動された外装取付部７の長さを外装部材５の長さと同等とするように、外装取付部７の状態を保持する。 The pair of fixing portions 9 and 9 has the length of the exterior mounting portion 7 whose extra length portion is moved to the outside of the exterior member 5 after the exterior mounting portion 7 is smoothed by the smoothing jig 13. The state of the exterior mounting portion 7 is maintained so as to be equivalent to the length.

このように一対の固定部９，９を設けることにより、ならされた外装取付部７に弛みが生じることがなく、容易に外装取付部７に外装部材５を組付けることができ、組付性を向上することができる。 By providing the pair of fixing portions 9 and 9 in this way, the exterior member 5 can be easily assembled to the exterior mounting portion 7 without causing slack in the smoothed exterior mounting portion 7, and the assembling property is as follows. Can be improved.

このようなワイヤハーネス１の製造方法は、まず、治具板上に配置された一対のフォーク治具１１，１１間に、複数の電線３の余長部分を有する外装取付部７を配置する（第１工程）。 In such a method for manufacturing a wire harness 1, first, an exterior mounting portion 7 having an extra length portion of a plurality of electric wires 3 is arranged between a pair of fork jigs 11 and 11 arranged on a jig plate ( First step).

次に、外装取付部７に対してならし治具１３を配置し、操作部１５を押圧し、ならし部１７によって複数の電線３の外装取付部７における余長部分を一対のフォーク治具１１，１１側に向けて移動させ、外装取付部７をならす（第２工程）。 Next, the leveling jig 13 is arranged with respect to the exterior mounting portion 7, the operation portion 15 is pressed, and the extra length portion of the plurality of electric wires 3 in the exterior mounting portion 7 is formed by the leveling portion 17 with a pair of fork jigs. Move toward the 11th and 11th sides to smooth the exterior mounting portion 7 (second step).

次に、一対のフォーク治具１１，１１の近傍において、ならし治具１３によって成形された複数の電線３の外装取付部７に対して、テープ巻きを施して一対の固定部９，９を形成させ、外装取付部７の状態を保持する（第３工程）。 Next, in the vicinity of the pair of fork jigs 11 and 11, tape winding is applied to the exterior mounting portions 7 of the plurality of electric wires 3 formed by the break-in jig 13 to form the pair of fixing portions 9 and 9. It is formed and the state of the exterior mounting portion 7 is maintained (third step).

そして、一対の固定部９，９間に位置する複数の電線３の外装取付部７に対して、外装部材５を組付け、外装取付部７における複数の電線３の外周を外装部材５で覆い、ワイヤハーネス１の製造を完了する（第４工程）。 Then, the exterior member 5 is assembled to the exterior mounting portion 7 of the plurality of electric wires 3 located between the pair of fixing portions 9 and 9, and the outer periphery of the plurality of electric wires 3 in the exterior mounting portion 7 is covered with the exterior member 5. , The production of the wire harness 1 is completed (fourth step).

このようなワイヤハーネス１では、外装取付部７の両側で外装部材５の外部に露出する部分に、外装取付部７の余長部分を外装部材５の外部に配置させ外装取付部７の長さを外装部材５の長さと同等に保持する一対の固定部９，９が設けられているので、外装部材５の内部に外装取付部７の余長部分が配置されることがない。 In such a wire harness 1, the extra length portion of the exterior mounting portion 7 is arranged outside the exterior member 5 at the portions exposed to the outside of the exterior member 5 on both sides of the exterior mounting portion 7, and the length of the exterior mounting portion 7 is long. Since the pair of fixing portions 9 and 9 for holding the outer member 5 equal to the length of the exterior member 5, the extra length portion of the exterior mounting portion 7 is not arranged inside the exterior member 5.

従って、このようなワイヤハーネス１では、外装部材５の内部で電線３が弛むことがなく、外装部材５と電線３との干渉を防止することができ、外装部材５への影響を抑制することができる。 Therefore, in such a wire harness 1, the electric wire 3 does not loosen inside the exterior member 5, interference between the exterior member 5 and the electric wire 3 can be prevented, and the influence on the exterior member 5 can be suppressed. Can be done.

また、ワイヤハーネス製造方法では、一対のフォーク治具１１，１１の近傍に、ならし治具１３によって成形された複数の電線３の状態を保持する一対の固定部９，９を設けるので、一対の固定部９，９の間に位置する複数の電線３が弛むことがない。 Further, in the wire harness manufacturing method, a pair of fixing portions 9 and 9 for holding the state of the plurality of electric wires 3 formed by the break-in jig 13 are provided in the vicinity of the pair of fork jigs 11 and 11. The plurality of electric wires 3 located between the fixing portions 9 and 9 of the above do not loosen.

従って、このようなワイヤハーネス製造方法では、複数の電線３が弛んでいない一対の固定部９，９の間に外装部材５が組付けられるので、外装部材５と電線３との干渉を防止することができ、外装部材５への影響を抑制することができる。 Therefore, in such a wire harness manufacturing method, since the exterior member 5 is assembled between the pair of fixing portions 9 and 9 in which the plurality of electric wires 3 are not loosened, interference between the exterior member 5 and the electric wire 3 is prevented. It is possible to suppress the influence on the exterior member 5.

なお、本発明の実施の形態に係るワイヤハーネス製造方法では、ならし治具が、操作部と、ならし部と、変換部とを有して構成されているが、これに限らず、複数の電線の弛みを均一にならすことができるものであれば、ならし治具はどのようなものであってもよい。 In the wire harness manufacturing method according to the embodiment of the present invention, the leveling jig is configured to include an operation unit, a leveling unit, and a conversion unit, but the present invention is not limited to this. Any break-in jig may be used as long as it can evenly smooth the slack of the electric wire.

１…ワイヤハーネス
３…電線
５…外装部材
７…外装取付部
９…固定部
１１…フォーク治具
１３…治具 1 ... Wire harness 3 ... Electric wire 5 ... Exterior member 7 ... Exterior mounting part 9 ... Fixed part 11 ... Fork jig 13 ... Jig

Claims (2)

少なくとも一端側に屈曲部が設けられる複数の電線と、
前記屈曲部を外部に露出させ複数の前記電線の外周を覆う外装部材と、
複数の前記電線の前記外装部材に覆われる部分に設けられ前記外装部材の長さより長い余長部分を有する外装取付部と、
前記外装取付部の両側で前記外装部材の外部に露出する部分に設けられ前記外装取付部の余長部分を前記外装部材の外部に配置させ前記外装取付部の長さを前記外装部材の長さと同等に保持する一対の固定部と、
を有することを特徴とするワイヤハーネス。 A plurality of electric wires having a bent portion on at least one end side, and
An exterior member that exposes the bent portion to the outside and covers the outer periphery of the plurality of electric wires, and
An exterior mounting portion provided on a portion of the plurality of electric wires covered with the exterior member and having an extra length portion longer than the length of the exterior member, and an exterior mounting portion.
The extra length portion of the exterior mounting portion provided on both sides of the exterior mounting portion exposed to the outside of the exterior member is arranged outside the exterior member, and the length of the exterior mounting portion is defined as the length of the exterior member. A pair of fixed parts that hold the same,
A wire harness characterized by having. 一対のフォーク治具の間に前記フォーク治具の間より長い余長部分を有して複数の電線を配置させる第１工程と、
ならし治具によって複数の前記電線の余長部分を一対の前記フォーク治具側に向けて移動させる第２工程と、
一対の前記フォーク治具の近傍に前記ならし治具によって成形された複数の前記電線の状態を保持する一対の固定部を設ける第３工程と、
一対の前記固定部の間に位置する複数の前記電線の外周に外装部材を組付ける第４工程と、
を有することを特徴とするワイヤハーネス製造方法。 The first step of arranging a plurality of electric wires between a pair of fork jigs with a longer extra length portion than between the fork jigs.
The second step of moving the extra length portions of the plurality of electric wires toward the pair of fork jigs by the break-in jig, and
A third step of providing a pair of fixing portions for holding the state of the plurality of electric wires formed by the break-in jig in the vicinity of the pair of fork jigs.
The fourth step of assembling the exterior member to the outer periphery of the plurality of electric wires located between the pair of the fixing portions, and
A wire harness manufacturing method characterized by having.
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JPH0750819Y2 (en) * 1990-02-26 1995-11-15 矢崎総業株式会社 Assembly structure of protector and wire harness
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