JP7013091B2 - Exterior integrated electric wire - Google Patents

Exterior integrated electric wire Download PDF

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JP7013091B2
JP7013091B2 JP2018063970A JP2018063970A JP7013091B2 JP 7013091 B2 JP7013091 B2 JP 7013091B2 JP 2018063970 A JP2018063970 A JP 2018063970A JP 2018063970 A JP2018063970 A JP 2018063970A JP 7013091 B2 JP7013091 B2 JP 7013091B2
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electric wire
resin body
exterior
engaging portion
exterior material
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JP2019175738A (en
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宗留 福永
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Yazaki Corp
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Description

本発明は外装一体型電線、特に電線を保護する複数のプロテクタを有する外装一体型電線に関する。 The present invention relates to an exterior-integrated electric wire, particularly an exterior-integrated electric wire having a plurality of protectors for protecting the electric wire.

従来、車両等に設置されるワイヤーハーネス（以下「電線」と称す）は、途中で方向が変更されたり同じ方向で偏位されたりするため、方向変更部や偏位部における電線の姿勢を固定する目的で、方向変更部や偏位部において電線を樹脂にインサート成形していた。このとき、インサート成形時に電線を確実に保持して、電線が樹脂外周面から露出しないようにした発明が開示されている（たとえば、特許文献１参照）。 Conventionally, wire harnesses (hereinafter referred to as "electric wires") installed in vehicles, etc., change their direction or are displaced in the same direction on the way, so the posture of the electric wire in the direction change part or the deviation part is fixed. For the purpose of this, the electric wire was insert-molded into the resin at the direction change portion and the deviation portion. At this time, an invention is disclosed in which the electric wire is securely held during insert molding so that the electric wire is not exposed from the outer peripheral surface of the resin (see, for example, Patent Document 1).

特開２００３－３１７５５５号公報Japanese Patent Application Laid-Open No. 2003-317555

特許文献１に開示された発明（成形ワイヤーハーネスの金型構造）は、金型のキャビティに凹凸を設け、凸部において電線を保持して凹部に樹脂を充填するものである。これによって、電線の方向変更部や偏位部はブロック状の樹脂に埋設されると共に、変更部や偏位部に近い範囲の電線はコルゲート状の樹脂によって被覆されることになる。
しかしながら、たとえば、車両の車両デッキの下面等に設置される電線は、複数のプロテクタによって保護され、プロテクタ同士は互いの方向が相違したり、上下や左右方向で偏位したりするから、プロテクタ同士の間に前記ブロック状の樹脂が配置されることになる。そうすると、コルゲート状の樹脂はプロテクタから離れたり、プロテクタ内に侵入してもプロテクタに係合しなかったりするため、電線がインサート成形されているコルゲート状の樹脂とプロテクタとの位置関係が変動するおそれがあるという問題があった。 In the invention disclosed in Patent Document 1 (mold structure of a molded wire harness), an unevenness is provided in a cavity of a mold, an electric wire is held in the convex portion, and the concave portion is filled with resin. As a result, the direction changing portion and the deviation portion of the electric wire are embedded in the block-shaped resin, and the electric wire in the range close to the changing portion and the deviation portion is covered with the corrugated resin.
However, for example, the electric wire installed on the lower surface of the vehicle deck of the vehicle is protected by a plurality of protectors, and the protectors are different from each other in the direction of each other or are displaced in the vertical or horizontal direction. The block-shaped resin will be arranged between the two. Then, the corrugated resin separates from the protector or does not engage with the protector even if it enters the protector, so that the positional relationship between the corrugated resin into which the electric wire is insert-molded and the protector may change. There was a problem that there was.

本発明は、前記問題を解消するものであり、電線がインサート成形されている樹脂体とプロテクタ（以下「外装材」と称す）との位置関係を固定することができる外装一体型電線を提供することにある。 The present invention solves the above-mentioned problems, and provides an exterior-integrated electric wire capable of fixing the positional relationship between a resin body in which an electric wire is insert-molded and a protector (hereinafter referred to as "exterior material"). There is something in it.

本発明に係る外装一体型電線は、電線と、前記電線の長手方向の途中がインサート成形され、前記電線が引き出された面に沿って樹脂体係合部が形成された樹脂体と、前記電線
の一部を収納すると共に、端部に外装材係合部が形成された外装材とを有し、
前記樹脂体係合部と前記外装材係合部とが係合すると共に、前記樹脂体係合部と前記外装材係合部とが係合した面が溶着していることを特徴とする。
また、前記樹脂体および前記外装材は何れも熱可逆性樹脂材料によって成形され、前記係合した面が超音波溶着されていることを特徴とする。
さらに、前記樹脂体は外周面に環条凹凸または螺旋条凹凸が形成された直線状であって、屈曲可能であることを特徴とする。
The exterior-integrated electric wire according to the present invention includes an electric wire, a resin body in which a resin body engaging portion is formed along a surface from which the electric wire is drawn out by insert molding in the middle of the electric wire in the longitudinal direction, and the electric wire. It has an exterior material with an exterior material engaging part formed at the end while accommodating a part of the cable.
The resin body engaging portion and the exterior material engaging portion are engaged with each other, and the surface on which the resin body engaging portion and the exterior material engaging portion are engaged is welded.
Further, both the resin body and the exterior material are molded from a thermoreversible resin material, and the engaged surfaces are ultrasonically welded.
Further, the resin body is characterized in that it has a linear shape in which ring irregularities or spiral irregularities are formed on the outer peripheral surface and is bendable.

本発明に係る外装一体型電線は、電線が樹脂体にインサート成形され、樹脂体が外装材に係合且つ溶着されているから、電線と樹脂体との位置関係および樹脂体と外装材との位置関係が固定される。
したがって、電線がインサート成形されている樹脂体を共通にして、いくつかの外装材に樹脂体を確実に固定することが可能になる。このとき、外装材と樹脂体とをテープ等によって固定する必用がなくなり、外装材の大きさの制約が少なくなる。
In the exterior-integrated electric wire according to the present invention, since the electric wire is insert -molded into the resin body and the resin body is engaged and welded to the exterior material, the positional relationship between the electric wire and the resin body and the resin body and the exterior material The positional relationship is fixed.
Therefore, it is possible to securely fix the resin body to some exterior materials by sharing the resin body in which the electric wire is insert -molded. At this time, it is no longer necessary to fix the exterior material and the resin body with tape or the like, and the restrictions on the size of the exterior material are reduced.

本発明の実施の形態１に係る外装一体型電線を模式的に説明するものであって、図１の（ａ）は構成する部材の一部（樹脂体）を示す底面図、図１の（ｂ）は構成する部材の一部（樹脂体）を示す側面図である。The exterior-integrated electric wire according to the first embodiment of the present invention is schematically described, and FIG. 1 (a) is a bottom view showing a part (resin body) of a constituent member, and FIG. 1 (). b) is a side view showing a part (resin body) of the constituent members. 本発明の実施の形態１に係る外装一体型電線を模式的に説明するものであって、構成する部材の一部（外装材）を示す平面図である。The exterior-integrated electric wire according to the first embodiment of the present invention is schematically described, and is a plan view showing a part (exterior material) of the constituent members. 本発明の実施の形態１に係る外装一体型電線を模式的に説明するものであって、図３の（ａ）は外装一体型電線を示す平面図、図３の（ｂ）は外装一体型電線を示す側面視の断面図である。The exterior-integrated electric wire according to the first embodiment of the present invention is schematically described. FIG. 3A is a plan view showing an exterior-integrated electric wire, and FIG. 3B is an exterior-integrated electric wire. It is sectional drawing of the side view which shows the electric wire. 本発明の実施の形態１に係る外装一体型電線を模式的に説明するものであって、構成する部材の一部（樹脂体）の変形例を示す側面図である。The exterior-integrated electric wire according to the first embodiment of the present invention is schematically described, and is a side view showing a modified example of a part (resin body) of the constituent members.

以下、図面を参照しながら、本発明の実施の形態１に係る外装一体型電線について説明する。なお、各図面は模式的に描かれているため、各部材の形状や大きさ、あるいは部材間の位置関係は図示された形態に限定されるものではない。 Hereinafter, the exterior-integrated electric wire according to the first embodiment of the present invention will be described with reference to the drawings. Since each drawing is schematically drawn, the shape and size of each member, or the positional relationship between the members is not limited to the illustrated form.

［実施の形態１］
図１～図４は本発明の実施の形態１に係る外装一体型電線を模式的に説明するものであって、図１の（ａ）は構成する部材の一部（樹脂体）を示す底面図、図１の（ｂ）は構成する部材の一部（樹脂体）を示す側面図、図２は構成する部材の一部（外装材）を示す平面図、図３の（ａ）は外装一体型電線を示す平面図、図３の（ｂ）は外装一体型電線を示す側面視の断面図、図４は構成する部材の一部（樹脂体）の変形例を示す側面図である。 [Embodiment 1]
1 to 4 schematically explain the exterior-integrated electric wire according to the first embodiment of the present invention, and FIG. 1 (a) shows a bottom surface showing a part (resin body) of the constituent members. 1 (b) is a side view showing a part (resin body) of a constituent member, FIG. 2 is a plan view showing a part (exterior material) of a constituent member, and FIG. 3 (a) is an exterior. A plan view showing an integrated electric wire, FIG. 3B is a cross-sectional view showing a side view showing an exterior integrated electric wire, and FIG. 4 is a side view showing a modified example of a part (resin body) of a constituent member.

（樹脂体）
図１の（ａ）および（ｂ）において、電線１の長手方向の途中が熱可逆性樹脂材料からなる樹脂体１０にインサート成形されている。このとき、電線１は、樹脂体１０の引き出し面１１ａ、１１ｂから引き出され、引き出し面１１ａ、１１ｂに沿って凹凸状の樹脂体係合部１２ａ、１２ｂが形成されている。なお、引き出し面１１ａと引き出し面１１ｂとは側面視において互いに平行で、底面視（平面視に同じ）において互いに垂直であるが、本発明はこれに限定するものではない。たとえば、側面視および底面視（平面視に同じ）において、互いに平行であっても、あるいは、特定の方向から見た際にハの字状で、延長した仮想面が互いに３次元的に傾斜（交差）してもよい。
なお、樹脂体係合部１２ａと樹脂体係合部１２ｂとは同一形状であるが、相違する形状
にしてもよい。また、樹脂体係合部１２ａおよび樹脂体係合部１２ｂは、凹凸の溝状であるが、本発明はこれに限定するものではなく、突起あるいは穴であってもよい。 (Resin body)
In FIGS. 1A and 1B, the middle of the electric wire 1 in the longitudinal direction is insert -molded into a resin body 10 made of a heat-reversible resin material. At this time, the electric wire 1 is pulled out from the drawing surfaces 11a and 11b of the resin body 10, and the uneven resin body engaging portions 12a and 12b are formed along the drawing surfaces 11a and 11b. The drawer surface 11a and the drawer surface 11b are parallel to each other in the side view and perpendicular to each other in the bottom view (same as the plan view), but the present invention is not limited thereto. For example, in side view and bottom view (same as plan view), the extended virtual planes are three-dimensionally tilted (same as plan view), even if they are parallel to each other or in a V shape when viewed from a specific direction. (Cross) may be used.
The resin body engaging portion 12a and the resin body engaging portion 12b have the same shape, but may have different shapes. Further, the resin body engaging portion 12a and the resin body engaging portion 12b have an uneven groove shape, but the present invention is not limited to this, and may be protrusions or holes.

（外装材）
図２において、外装材２０ａは、電線１を保護するプロテクタとして機能するもので、たとえば、自動車の床下等に設置されるものである。外装材２０ａは熱可逆性樹脂材料によって形成された樋状（チャンネル状）であって、外装材２０ａの端部２１ａに凹凸の溝状の外装材係合部２２ａが形成されている。なお、外装材係合部２２ａは樹脂体係合部１２ａに係合可能になっている。
また、外装材２０ｂは外装材２０ａと同様に、端部２１ｂに凹凸の溝状の外装材係合部２２ｂが形成されている（図３の（ａ）および（ｂ）参照）。 (Exterior material)
In FIG. 2, the exterior material 20a functions as a protector for protecting the electric wire 1, and is installed, for example, under the floor of an automobile. The exterior material 20a is a gutter-shaped (channel-shaped) formed of a heat-reversible resin material, and an uneven groove-shaped exterior material engaging portion 22a is formed at an end portion 21a of the exterior material 20a. The exterior material engaging portion 22a can be engaged with the resin body engaging portion 12a.
Further, in the exterior material 20b, similarly to the exterior material 20a, an uneven groove-shaped exterior material engaging portion 22b is formed at the end portion 21b (see (a) and (b) of FIGS. 3).

（外装一体型電線）
図３の（ａ）および（ｂ）において、外装一体型電線２は、電線１が樹脂体１０にインサート成形されているから、電線１の姿勢が固定されている（以下「エリア１」と称す）。また、樹脂体係合部１２ａおよび樹脂体係合部１２ｂが、それぞれ外装材係合部２２ａおよび外装材係合部２２ｂに係合すると共にかかる係合した面が超音波溶着されている（以下「エリア２」と称す）。なお、係合した面の超音波溶着に代わる局所加熱手段によって、係合した面を溶着したり、溶着に代えて係合した面を接着剤によって接着したりしてもよい。 (Exterior integrated electric wire)
In (a) and (b) of FIG. 3, in the exterior-integrated electric wire 2, the posture of the electric wire 1 is fixed because the electric wire 1 is insert-molded into the resin body 10 (hereinafter referred to as "area 1"). ). Further, the resin body engaging portion 12a and the resin body engaging portion 12b are engaged with the exterior material engaging portion 22a and the exterior material engaging portion 22b, respectively, and the engaged surfaces are ultrasonically welded (hereinafter,). Called "Area 2"). The engaged surface may be welded by a local heating means instead of ultrasonic welding of the engaged surface, or the engaged surface may be adhered by an adhesive instead of welding.

（作用効果）
外装一体型電線２は以上の構成であるから、電線１と樹脂体１０との位置関係が確実に固定され（エリア１）、樹脂体１０と外装材２０ａ、２０ｂとの位置関係が確実に固定される（エリア２）。特に、樹脂体１０と外装材２０ａ、２０ｂとが、凹凸状の係合部において係合する共に、係合した面が超音波溶着されているから、接続が強固になっている。したがって、樹脂体１０と外装材２０ａ、２０ｂとの接続をテープ等を用いて補強する必要がない。
さらに樹脂体係合部１２ａ、１２ｂの形状および外装材係合部２２ａ、２２ｂの形状を共通にするだけで、バリエーションの多い電線（ワイヤハーネス）に対しても、また、いろいろな仕様の外装材（プロテクタ）に対しても、容易に且つ安価に対応することが可能になる。そうすると、たとえば単線で断面積が１５平方ミリメートル以上の太い電線を使用している車両デッキ下に好適に配置される。 (Action effect)
Since the exterior-integrated electric wire 2 has the above configuration, the positional relationship between the electric wire 1 and the resin body 10 is securely fixed (area 1), and the positional relationship between the resin body 10 and the exterior materials 20a and 20b is securely fixed. (Area 2). In particular, the resin body 10 and the exterior materials 20a and 20b are engaged with each other in the uneven engaging portion, and the engaged surfaces are ultrasonically welded, so that the connection is strong. Therefore, it is not necessary to reinforce the connection between the resin body 10 and the exterior materials 20a and 20b by using tape or the like.
Furthermore, by simply making the shapes of the resin body engaging portions 12a and 12b and the shapes of the exterior material engaging portions 22a and 22b common, even for electric wires (wire harnesses) with many variations, exterior materials with various specifications can also be used. (Protector) can be easily and inexpensively supported. Then, for example, it is suitably arranged under a vehicle deck using a thick electric wire having a cross-sectional area of 15 square millimeters or more, which is a single wire.

（変形例）
図４において、外装一体型電線３は、電線１が樹脂体１０内において屈曲されることなく直線であって、引き出し面１１ａと引き出し面１１ｂとは平行である。そして、樹脂体１０が蛇腹形状に形成されている。このため、樹脂体１０は屈曲可能であるから、電線１の引き出し面１１ａから引き出された部分と引き出し面１１ｂから引き出された部分とを、互いに平行のまま容易に偏位させたり、互いの方向を容易に相違させたりすることができる。このとき、電線１は樹脂体１０にインサート成形されているから、電線１と樹脂体１０との位置関係が確実に固定されている（エリア１）。また、前記と同様に樹脂体１０は外装材２０に強固に固定される（エリア２）。 (Modification example)
In FIG. 4, the exterior-integrated electric wire 3 is a straight line without bending in the resin body 10, and the extraction surface 11a and the extraction surface 11b are parallel to each other. The resin body 10 is formed in a bellows shape. Therefore, since the resin body 10 is bendable, the portion of the electric wire 1 drawn out from the drawing surface 11a and the portion drawn out from the drawing surface 11b can be easily displaced while being parallel to each other, or in directions of each other. Can be easily different. At this time, since the electric wire 1 is insert-molded into the resin body 10, the positional relationship between the electric wire 1 and the resin body 10 is surely fixed (area 1). Further, similarly to the above, the resin body 10 is firmly fixed to the exterior material 20 (area 2).

（変形例）
なお、以上は、電線１が樹脂体１０内において分岐されないため、樹脂体１０が電線１を引き出すための２面（引き出し面１１ａ、１１ｂ）を具備しているが、本発明はこれに限定するものではなく、電線１を樹脂体１０内で分岐し、３以上の引き出すための面を設け、その面にそって樹脂体係合部を設けてもよい（図示しない）。 (Modification example)
In the above, since the electric wire 1 is not branched in the resin body 10, the resin body 10 has two surfaces (drawing surfaces 11a and 11b) for drawing out the electric wire 1, but the present invention is limited to this. Instead, the electric wire 1 may be branched in the resin body 10, a surface for pulling out three or more may be provided, and a resin body engaging portion may be provided along the surface (not shown).

以上、本発明を実施の形態１をもとに説明した。この実施の形態１は例示であり、それらの各構成要素およびその組合せにいろいろな変形例が可能なこと、またそうした変形例も本発明の範囲にあることは当業者に理解されるところである。このとき、電源端子は複数であってもよい。 The present invention has been described above based on the first embodiment. This embodiment 1 is an example, and it is understood by those skilled in the art that various modifications are possible for each of these components and combinations thereof, and that such modifications are also within the scope of the present invention. At this time, there may be a plurality of power supply terminals.

本発明は以上であるから、様々な容器に取り付けられる各種コネクタとして広く利用することができる。 As described above, the present invention can be widely used as various connectors attached to various containers.

１ ：電線
２ ：外装一体型電線
３ ：外装一体型電線
１０ ：樹脂体
１１ａ：引き出し面
１１ｂ：引き出し面
１２ａ：樹脂体係合部
１２ｂ：樹脂体係合部
２０ａ：外装材
２０ｂ：外装材
２１ａ：端部
２１ｂ：端部
２２ａ：外装材係合部
２２ｂ：外装材係合部 1: Electric wire 2: Exterior integrated electric wire 3: Exterior integrated electric wire 10: Resin body 11a: Drawer surface 11b: Drawer surface 12a: Resin body engagement part 12b: Resin body engagement part 20a: Exterior material 20b: Exterior material 21a : End 21b: End 22a: Exterior material engaging part 22b: Exterior material engaging part

Claims (3)

電線と、前記電線の長手方向の途中がインサート成形され、前記電線が引き出された面に沿って樹脂体係合部が形成された樹脂体と、前記電線の一部を収納すると共に、端部に外装材係合部が形成された外装材とを有し、
前記樹脂体係合部と前記外装材係合部とが係合すると共に、前記樹脂体係合部と前記外装材係合部とが係合した面が溶着していることを特徴とする外装一体型電線。 The electric wire, the resin body in which the middle of the electric wire in the longitudinal direction is insert -molded, and the resin body engaging portion is formed along the surface from which the electric wire is pulled out, and a part of the electric wire are housed and the end portion thereof. It has an exterior material on which an exterior material engaging portion is formed.
The exterior is characterized in that the resin body engaging portion and the exterior material engaging portion are engaged with each other, and the surface on which the resin body engaging portion and the exterior material engaging portion are engaged is welded. Integrated wire. 前記樹脂体および前記外装材は何れも熱可逆性樹脂材料によって成形され、前記係合した面が超音波溶着されていることを特徴とする請求項１記載の外装一体型電線。 The exterior-integrated electric wire according to claim 1, wherein both the resin body and the exterior material are formed of a heat-reversible resin material, and the engaged surfaces are ultrasonically welded. 前記樹脂体は外周面に環条凹凸または螺旋条凹凸が形成された直線状であって、屈曲可能であることを特徴とする請求項１または２記載の外装一体型電線。 The exterior-integrated electric wire according to claim 1 or 2, wherein the resin body has a linear shape in which ring irregularities or spiral irregularities are formed on the outer peripheral surface and is bendable.
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020033269A1 (en) 2000-09-20 2002-03-21 Gust James M. Electrical tubing assembly with hermetically sealed ends
JP2011239619A (en) 2010-05-12 2011-11-24 Sumitomo Wiring Syst Ltd Branch holding jig for wiring harness

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020033269A1 (en) 2000-09-20 2002-03-21 Gust James M. Electrical tubing assembly with hermetically sealed ends
JP2011239619A (en) 2010-05-12 2011-11-24 Sumitomo Wiring Syst Ltd Branch holding jig for wiring harness

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