WO2017018166A1 - Electric wire outer casing, wire harness, and ruling blade - Google Patents

Electric wire outer casing, wire harness, and ruling blade Download PDF

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Publication number
WO2017018166A1
WO2017018166A1 PCT/JP2016/070233 JP2016070233W WO2017018166A1 WO 2017018166 A1 WO2017018166 A1 WO 2017018166A1 JP 2016070233 W JP2016070233 W JP 2016070233W WO 2017018166 A1 WO2017018166 A1 WO 2017018166A1
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WO
WIPO (PCT)
Prior art keywords
groove
sheet
ruled line
electric wire
blade
Prior art date
Application number
PCT/JP2016/070233
Other languages
French (fr)
Japanese (ja)
Inventor
敦 村田
Original Assignee
株式会社オートネットワーク技術研究所
住友電装株式会社
住友電気工業株式会社
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Application filed by 株式会社オートネットワーク技術研究所, 住友電装株式会社, 住友電気工業株式会社 filed Critical 株式会社オートネットワーク技術研究所
Publication of WO2017018166A1 publication Critical patent/WO2017018166A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/02—Bending or folding
    • B29C53/04—Bending or folding of plates or sheets
    • B29C53/06—Forming folding lines by pressing or scoring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/08—Creasing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/02—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body
    • B65D5/04—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body the tubular body having no end closures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00—Insulators or insulating bodies characterised by their form
    • H01B17/56—Insulating bodies
    • H01B17/58—Tubes, sleeves, beads, or bobbins through which the conductor passes
    • 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
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs

Definitions

  • the technique disclosed by this specification is related with an electric wire exterior body, a wire harness, and a ruled line blade.
  • Wire harnesses routed to vehicles such as automobiles are generally routed in a state where the wires are covered with an exterior body for the purpose of protecting and holding the wires in a routed arrangement. (See Patent Document 1).
  • a plastic sheet In order to use a plastic sheet as an exterior body for a wire harness, it can be bent sharply along a ruled line in response to the demand for simplification of the manufacturing process and narrowing of the layout space, and a certain degree of freedom in the bending angle. It is required that there is a degree.
  • the conventional plastic sheet folding structure cannot be said to be sufficient to satisfy these requirements, and improvements have been demanded.
  • An electric wire outer package disclosed in the present specification is a member that is externally mounted on an electric wire, and is configured by a plastic sheet, and the sheet has a groove-like ruled line arranged on one surface of both front and back surfaces.
  • the ruled line is disposed on the groove bottom surface, and a main groove portion having a pair of groove side surfaces disposed facing each other, a groove bottom surface that connects the pair of groove side surfaces and is parallel to one surface of the sheet, and And an auxiliary groove narrower than the main groove.
  • the wire harness disclosed by this specification is equipped with an electric wire and the electric wire exterior body covered by the said electric wire
  • the said electric wire exterior body is comprised with the sheet
  • a groove-like ruled line arranged on one surface, the ruled line connecting a pair of groove side surfaces arranged opposite to each other and the pair of groove side surfaces, and a groove parallel to one surface of the sheet A main groove portion having a bottom surface, and an auxiliary groove portion disposed on the groove bottom surface and having a narrower width than the main groove portion.
  • the sheet can be bent sharply along the auxiliary groove portion, and a certain degree of freedom in the bending angle of the sheet can be secured.
  • the electric wire outer package includes two plate-like liners arranged parallel to each other with a gap therebetween, and a plurality of ribs passed between the two liners. You may be comprised by the hollow plate which has the hollow part partitioned off by the said rib in the clearance gap.
  • a hollow plate having such a configuration is preferable as a material constituting an electric wire outer package because it is excellent in strength.
  • the ruled line blade disclosed in the present specification is a ruled line blade for forming a ruled line on the sheet by pressing one of the front and back surfaces of the plastic sheet, the main body unit and the main body unit And a flat flat surface extending in one direction on the side opposite to the main body portion, and an extending direction of the flat surface. And a ridge extending in a straight line in the same direction.
  • the ruled line blade having the above-described configuration can be suitably used for forming a ruled line on plastic in the production of a plastic sheet used as an electric wire outer package.
  • Bottom view of ruled line blade of embodiment The perspective view which shows a mode that the exterior body of embodiment was mounted
  • the wire harness 1 is a member arranged in a vehicle, and includes an electric wire bundle 21 in which a plurality of electric wires 20 are bundled, and an electric wire outer package 16 (hereinafter referred to as “exterior”) covered by the electric wire bundle 21.
  • body 16 Abbreviated as “body 16”).
  • the exterior body 16 is mounted so as to surround the wire bundle 21 and protects the wire bundle 21 while supporting the wire bundle 21 in a shape (in the present embodiment, a straight line shape) matching the routing route.
  • the exterior body 16 is formed by punching the plastic corrugated cardboard D into a predetermined shape, providing a ruled line 11 on the surface thereof, producing the sheet 10 shown in FIG. 1, and bending the sheet 10 along the ruled line 11. It is a rectangular tube-shaped member.
  • the plastic corrugated cardboard D which is the material of the sheet 10 is made of a synthetic resin, and as shown in FIG. 2, two thin plate-like liners L arranged in parallel with a gap between each other, and these two sheets A hollow plate having a plurality of ribs R passed between the liners L and having a hollow portion S partitioned by the ribs R in a gap between the two liners L.
  • a plastic corrugated cardboard D can be constituted by arranging liners L on both surfaces of a corrugated core F, for example, like paper corrugated cardboard.
  • the core F constitutes a rib R.
  • the sheet 10 has a rectangular plate shape as a whole, and has a plurality of ruled lines 11 on the surface thereof.
  • Each of the plurality of ruled lines 11 is a groove that is recessed with respect to the surface of the sheet 10 as shown in FIGS. 1 and 3, and is straight and parallel to the long side of the sheet 10 as shown in FIG. 1. It extends in a shape.
  • each ruled line 11 has a main groove portion 12 and an auxiliary groove portion 15.
  • the main groove portion 12 is a groove that is recessed with respect to the surface of the sheet 10, and has two groove side surfaces 13 that are disposed to face each other and a groove bottom surface 14 that connects the two groove side surfaces 13.
  • Each groove side surface 13 extends inward from the surface of the sheet 10 perpendicularly to the surface of the sheet 10, and the groove bottom surface 14 is disposed in parallel to the surface of the sheet 10.
  • the auxiliary groove portion 15 is a U-shaped groove that is recessed with respect to the groove bottom surface 14 and is narrower than the main groove portion 12.
  • the auxiliary groove portion 15 is disposed at the center between the pair of groove side surfaces 13 and extends in the same direction as the main groove portion 12. .
  • the plurality of ruled lines 11 are arranged with a space between each other, and each ruled line 11 extends over the entire length between two short sides of the sheet 10.
  • the sheet 10 is divided into a plurality of portions constituting the four peripheral wall portions of the rectangular tube in the exterior body 16. Specifically, the sheet 10 is divided into five sections by four ruled lines 11.
  • the sheet 10 is bent into a rectangular tube shape, as shown in FIG. The two compartments at both ends are overlapped with each other to constitute one of the four peripheral wall portions of the square tube, and the other three compartments constitute the remaining three peripheral wall portions.
  • the ruled line 11 as described above is formed by pressing the ruled line blade 30 against the surface of the plastic cardboard D to be recessed.
  • the ruled line blade 30 is used by being attached to a ruled line machine for forming the ruled line 11 on the plastic cardboard D, or a punching device for punching the plastic cardboard D into a predetermined shape and forming the ruled line 11.
  • the main body 31 is held by a ruler or punching device, and the blade 32 is formed from the main body 31 and cuts into the plastic cardboard D to form the ruled line 11.
  • the ruled line blade 30 of the present embodiment is constituted by a rectangular metal plate having a thickness equal to the groove width of the ruled line 11 to be formed, as shown in FIGS.
  • the edge part constituting one side (the lower side in FIG. 5) of the four sides of the metal plate is the blade part 32, and the remaining part is the main body part 31.
  • An end surface of the blade portion 32 (a surface opposite to the main body portion 31; a lower surface in FIGS.
  • the protrusion 33 has a shape that is narrower than the flat surface 32F and is formed by vertically dividing an elongated cylinder. As shown in FIG. It is arranged at the center between both side edges of 32F.
  • the plastic cardboard D is laid on a flat cradle (not shown), the flat surface 32F of the ruled line blade 30 is pressed against the surface of the plastic cardboard D, and the blade part 32 is moved. Cut into plastic cardboard D. Thereafter, when the ruled line blade 30 is removed, the ruled line 11 that is a trace recessed there is formed. At this time, the heat ruled line 30 may be formed by pressing the heated ruled line blade 30 against the plastic corrugated cardboard D and partially melting it, followed by curing.
  • the sheet 10 is folded along each of the plurality of ruled lines 11 to be assembled into a rectangular tube-shaped exterior body 16 as shown in FIG.
  • the sheet 10 having the ruled line 11 of the present embodiment when the sheet 10 having the ruled line 11 of the present embodiment is folded, the sheet 10 can be bent sharply along the auxiliary groove portion 15 as shown in FIG.
  • the degree of freedom of the bending angle of the sheet 10 can be ensured as long as the two opening edges 12E (the boundary line between the groove side surface 13 and the surface of the sheet 10) do not collide with each other.
  • the sheet 10 made of plastic corrugated cardboard has the groove-like ruled lines 11 arranged on the surface, and the pair of groove side faces 13 on which the ruled lines 11 are arranged facing each other.
  • a pair of groove side surfaces 13 and a main groove portion 12 having a groove bottom surface 14 parallel to the surface of the sheet 10, and an auxiliary groove portion 15 disposed on the groove bottom surface 14 and narrower than the main groove portion 12. Is provided.
  • the sheet 10 having such a folding structure can be bent sharply along the auxiliary groove 15.
  • the degree of freedom of the bending angle can be ensured as long as the two opening edges 12E of the main groove portion 12 do not collide with each other.
  • the exterior body 16 constituted by the sheet 10 having such a bent structure is suitable for the wire harness 1.
  • the ruled line blade 30 for forming the ruled line 11 on the sheet 10 includes a main body part 31 and a plate-like blade part 32 connected to the main body part 31, and the blade part 32 is opposite to the main body part 31.
  • Such a ruled line blade 30 can be suitably used for forming the ruled line 11 on the plastic corrugated cardboard D in the manufacture of the sheet 10 constituting the exterior body 16 for the wire harness 1.
  • the plastic corrugated cardboard D is exemplified by arranging the liner L on both surfaces of the corrugated core F.
  • the configuration of the plastic corrugated cardboard is not limited to the above embodiment.
  • a rib having a honeycomb structure may be provided, or a plate-like rib perpendicular to the liner may be arranged side by side.
  • the outer package 16 supports the wire bundle 21 in a straight line.
  • the outer package has a cylindrical shape having a branch, and the wire bundle is branched and supported. It does not matter.
  • the exterior body 16 has a rectangular tube shape, but the shape of the exterior body is not limited to the above embodiment, and may be, for example, a triangular cylinder shape, a hexagonal cylinder shape, a U-shaped groove shape, or the like. I do not care.
  • each groove side surface 13 of the main groove portion 12 extends perpendicularly to the surface of the sheet 10 from the surface of the sheet 10, but for example, two groove side surfaces are from the surface of the sheet. It may be an inclined surface which inclines in the direction which approaches each other as it leaves

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Details Of Indoor Wiring (AREA)
  • Cartons (AREA)
  • Making Paper Articles (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Insulating Bodies (AREA)

Abstract

An electric wire outer casing 16 that is configured from a corrugated-plastic sheet 10. The sheet 10 has groove-shaped rules 11 that are arranged on one of a top surface and an undersurface thereof. The rules 11 are provided with: a pair of groove side surfaces 13 that are arranged so as to face; a main groove section 12 that connects the pair of groove side surfaces 13 and that has a groove bottom surface 14 that is parallel to the one surface of the sheet 10; and an auxiliary groove section 15 that is arranged on the groove bottom surface and that is narrower than the main groove section 12.

Description

電線外装体、ワイヤーハーネス、および罫線刃Electric wire exterior body, wire harness, and ruled line blade
　本明細書によって開示される技術は、電線外装体、ワイヤーハーネス、および罫線刃に関する。 The technique disclosed by this specification is related with an electric wire exterior body, a wire harness, and a ruled line blade.
　自動車等の車両に配策されるワイヤーハーネスは、配策姿勢を整えて保持するとともに、電線を保護する目的で、電線が外装体によって外装された状態で配策されることが一般的である（特許文献１参照）。 Wire harnesses routed to vehicles such as automobiles are generally routed in a state where the wires are covered with an exterior body for the purpose of protecting and holding the wires in a routed arrangement. (See Patent Document 1).
　外装体として、強度に優れたプラスチックシートを折り曲げ加工した部材を適用することが考えられる。
　一般に、プラスチックシートは、罫線と呼ばれる溝が設けられることで、組み立ての際に折り曲げがしやすいようになっている（特許文献２参照）。 As the exterior body, it is conceivable to apply a member obtained by bending a plastic sheet having excellent strength.
Generally, a plastic sheet is provided with a groove called a ruled line so that it can be easily bent during assembly (see Patent Document 2).
特開平０８－１５４３２４号公報Japanese Patent Laid-Open No. 08-154324 特開２００５－３４３５５４号公報JP 2005-343554 A
　プラスチックシートをワイヤーハーネス用の外装体として用いるためには、製造工程の簡素化や配策スペースの狭小化の要請に対応して、罫線に沿ってシャープに折り曲げができること、折り曲げ角度にある程度の自由度があることなどが求められる。しかし、従来のプラスチックシートの折り曲げ構造は、これらの要請を満たすには十分であるとは言えず、改善が求められていた。 In order to use a plastic sheet as an exterior body for a wire harness, it can be bent sharply along a ruled line in response to the demand for simplification of the manufacturing process and narrowing of the layout space, and a certain degree of freedom in the bending angle. It is required that there is a degree. However, the conventional plastic sheet folding structure cannot be said to be sufficient to satisfy these requirements, and improvements have been demanded.
　本明細書によって開示される電線外装体は、電線に外装される部材であって、プラスチック製のシートにより構成され、前記シートが、表裏両面のうち一面に配置された溝状の罫線を有しており、前記罫線が、互いに向かい合って配置される一対の溝側面と、前記一対の溝側面間を連結し、前記シートの一面と平行な溝底面とを有する主溝部と、前記溝底面に配置されて前記主溝部よりも幅の狭い補助溝部とを備える。 An electric wire outer package disclosed in the present specification is a member that is externally mounted on an electric wire, and is configured by a plastic sheet, and the sheet has a groove-like ruled line arranged on one surface of both front and back surfaces. The ruled line is disposed on the groove bottom surface, and a main groove portion having a pair of groove side surfaces disposed facing each other, a groove bottom surface that connects the pair of groove side surfaces and is parallel to one surface of the sheet, and And an auxiliary groove narrower than the main groove.
　また、本明細書によって開示されるワイヤーハーネスは、電線と、前記電線に外装される電線外装体とを備え、前記電線外装体が、プラスチック製のシートにより構成され、前記シートが、表裏両面のうち一面に配置された溝状の罫線を有しており、前記罫線が、互いに向かい合って配置される一対の溝側面と、前記一対の溝側面間を連結し、前記シートの一面と平行な溝底面とを有する主溝部と、前記溝底面に配置されて前記主溝部よりも幅の狭い補助溝部とを備える。 Moreover, the wire harness disclosed by this specification is equipped with an electric wire and the electric wire exterior body covered by the said electric wire, The said electric wire exterior body is comprised with the sheet | seat made from a plastic, and the said sheet | seat is both front and back both surfaces. A groove-like ruled line arranged on one surface, the ruled line connecting a pair of groove side surfaces arranged opposite to each other and the pair of groove side surfaces, and a groove parallel to one surface of the sheet A main groove portion having a bottom surface, and an auxiliary groove portion disposed on the groove bottom surface and having a narrower width than the main groove portion.
　上記の構成によれば、補助溝部に沿ってシートをシャープに折り曲げることができ、かつ、シートの曲げ角度のある程度の自由度を確保できる。 According to the above configuration, the sheet can be bent sharply along the auxiliary groove portion, and a certain degree of freedom in the bending angle of the sheet can be secured.
　上記の電線外装体が、互いに隙間を空けて平行に配置される板状の２枚のライナーと、前記２枚のライナーの間に渡される複数のリブとを有し、前記２枚のライナーの隙間に前記リブで仕切られた中空部を有する中空板により構成されていてもよい。 The electric wire outer package includes two plate-like liners arranged parallel to each other with a gap therebetween, and a plurality of ribs passed between the two liners. You may be comprised by the hollow plate which has the hollow part partitioned off by the said rib in the clearance gap.
　このような構成の中空板は、強度に優れるため、電線外装体を構成する材料として好ましい。 A hollow plate having such a configuration is preferable as a material constituting an electric wire outer package because it is excellent in strength.
　また、本明細書によって開示される罫線刃は、プラスチック製のシートの表裏両面のうち一面を押圧することにより前記シートに罫線を形成するための罫線刃であって、本体部と、前記本体部から連なる板状の刃部とを備え、前記刃部が、前記本体部とは反対側の面であって一方向に延びる平坦な平坦面と、前記平坦面から突出し、前記平坦面の延び方向と同方向に一直線状に延びる突条とを有している。 Further, the ruled line blade disclosed in the present specification is a ruled line blade for forming a ruled line on the sheet by pressing one of the front and back surfaces of the plastic sheet, the main body unit and the main body unit And a flat flat surface extending in one direction on the side opposite to the main body portion, and an extending direction of the flat surface. And a ridge extending in a straight line in the same direction.
　上記のような構成の罫線刃は、電線外装体として使用されるプラスチック製のシートの製造において、プラスチックに罫線を形成するために、好適に使用できる。 The ruled line blade having the above-described configuration can be suitably used for forming a ruled line on plastic in the production of a plastic sheet used as an electric wire outer package.
　本明細書によって開示される技術によれば、ワイヤーハーネス用として好適な電線外装体、およびこの電線外装体を備えたワイヤーハーネスを提供できる。 According to the technique disclosed in the present specification, it is possible to provide an electric wire outer body suitable for a wire harness, and a wire harness provided with the electric wire outer body.
実施形態のシートの斜視図The perspective view of the sheet | seat of embodiment 実施形態のプラスチックダンボールの部分拡大図Partial enlarged view of the plastic cardboard of the embodiment 実施形態のシートの側面図Side view of the seat of the embodiment 図３の円Ｒ１内の拡大図Enlarged view inside circle R1 in FIG. 実施形態の罫線刃の斜視図The perspective view of the ruled line blade of embodiment 実施形態の罫線刃の側面図Side view of ruled line blade of embodiment 図６の円Ｒ２内の拡大図Enlarged view inside circle R2 in FIG. 実施形態の罫線刃の底面図Bottom view of ruled line blade of embodiment 実施形態の外装体を電線束に装着した様子を示す斜視図The perspective view which shows a mode that the exterior body of embodiment was mounted | worn with the electric wire bundle 図９のＡ－Ａ線断面図AA line sectional view of FIG. 図１０の円Ｒ３内の拡大図Enlarged view of circle R3 in FIG. 従来のＶ罫線を有するシートの部分拡大図Partial enlarged view of a sheet having a conventional V-ruled line 従来のＶ罫線を有するシートを折り曲げた様子を示す部分拡大図Partial enlarged view showing a state in which a sheet having a conventional V-ruled line is bent. 従来の平罫線を有するシートの部分拡大図Partial enlarged view of a conventional sheet with flat ruled lines 従来の平罫線を有するシートを折り曲げた様子を示す部分拡大図Partial enlarged view showing a state in which a sheet having a conventional ruled line is folded.
　実施形態を図１～図１５を参照しつつ説明する。本実施形態のワイヤーハーネス１は、車両に配策される部材であって、複数の電線２０が束ねられた電線束２１と、この電線束２１に外装される電線外装体１６（以下、「外装体１６」と略記する）とを備える。外装体１６は、電線束２１を包囲するように装着され、電線束２１を配策経路に整合する形状（本実施形態では直線状）に支持しつつ保護している。 Embodiments will be described with reference to FIGS. The wire harness 1 according to the present embodiment is a member arranged in a vehicle, and includes an electric wire bundle 21 in which a plurality of electric wires 20 are bundled, and an electric wire outer package 16 (hereinafter referred to as “exterior”) covered by the electric wire bundle 21. Abbreviated as “body 16”). The exterior body 16 is mounted so as to surround the wire bundle 21 and protects the wire bundle 21 while supporting the wire bundle 21 in a shape (in the present embodiment, a straight line shape) matching the routing route.
　外装体１６は、プラスチックダンボールＤを所定の形状に打ち抜くとともに、その表面に罫線１１を設けて、図１に示すシート１０を作製し、このシート１０を罫線１１に沿って折り曲げることによって形成された角筒状の部材である。 The exterior body 16 is formed by punching the plastic corrugated cardboard D into a predetermined shape, providing a ruled line 11 on the surface thereof, producing the sheet 10 shown in FIG. 1, and bending the sheet 10 along the ruled line 11. It is a rectangular tube-shaped member.
　シート１０の素材であるプラスチックダンボールＤは、合成樹脂製であって、図２に示すように、互いに隙間を空けて平行に配置される２枚の薄い板状のライナーＬと、これら２枚のライナーＬの間に渡される複数のリブＲとを有し、２枚のライナーＬの隙間にリブＲで仕切られた中空部Ｓを有する中空板である。このようなプラスチックダンボールＤは、例えば、紙製のダンボールと同様に、波型に成形した中芯Ｆの両面にライナーＬを配置することによって構成することができる。このような構成のプラスチックダンボールＤでは、中芯ＦがリブＲを構成している。 The plastic corrugated cardboard D which is the material of the sheet 10 is made of a synthetic resin, and as shown in FIG. 2, two thin plate-like liners L arranged in parallel with a gap between each other, and these two sheets A hollow plate having a plurality of ribs R passed between the liners L and having a hollow portion S partitioned by the ribs R in a gap between the two liners L. Such a plastic corrugated cardboard D can be constituted by arranging liners L on both surfaces of a corrugated core F, for example, like paper corrugated cardboard. In the plastic corrugated cardboard D having such a configuration, the core F constitutes a rib R.
　シート１０は、図１に示すように、全体として長方形の板状であり、その表面に複数の罫線１１を有している。 As shown in FIG. 1, the sheet 10 has a rectangular plate shape as a whole, and has a plurality of ruled lines 11 on the surface thereof.
　複数の罫線１１のそれぞれは、図１および図３に示すように、シート１０の表面を基準として凹む溝であって、図１に示すように、シート１０の長辺に対して平行に、直線状に延びている。各罫線１１は、図４に示すように、主溝部１２と、補助溝部１５とを有している。主溝部１２は、シート１０の表面を基準として凹む溝であって、互いに向かい合って配置される２つの溝側面１３と、２つの溝側面１３間を連結する溝底面１４とを有する。各溝側面１３は、シート１０の表面から、シート１０の表面に対して垂直に、内側に向かって延びており、溝底面１４は、シート１０の表面に対して平行に配置されている。補助溝部１５は、溝底面１４を基準として凹む、主溝部１２よりも幅の狭いＵ字溝であって、一対の溝側面１３間の中央に配置され、主溝部１２と同方向に延びている。 Each of the plurality of ruled lines 11 is a groove that is recessed with respect to the surface of the sheet 10 as shown in FIGS. 1 and 3, and is straight and parallel to the long side of the sheet 10 as shown in FIG. 1. It extends in a shape. As shown in FIG. 4, each ruled line 11 has a main groove portion 12 and an auxiliary groove portion 15. The main groove portion 12 is a groove that is recessed with respect to the surface of the sheet 10, and has two groove side surfaces 13 that are disposed to face each other and a groove bottom surface 14 that connects the two groove side surfaces 13. Each groove side surface 13 extends inward from the surface of the sheet 10 perpendicularly to the surface of the sheet 10, and the groove bottom surface 14 is disposed in parallel to the surface of the sheet 10. The auxiliary groove portion 15 is a U-shaped groove that is recessed with respect to the groove bottom surface 14 and is narrower than the main groove portion 12. The auxiliary groove portion 15 is disposed at the center between the pair of groove side surfaces 13 and extends in the same direction as the main groove portion 12. .
　複数の罫線１１は、図１に示すように、互いに間隔を空けて配置されており、各罫線１１は、シート１０の２つの短辺間の全長にわたって延びている。これらの罫線１１によって、シート１０は、外装体１６における角筒の４つの周壁部を構成する複数の部分に区分されている。具体的には、シート１０は、４本の罫線１１によって５つの区画に分けられており、シート１０が折り曲げられて角筒状とされる際には、図１０に示すように、これらの区画のうち両端の２つの区画が互いに重ねられて、角筒の４つの周壁部のうち１つを構成し、他の３つの区画が、残りの３つの周壁部をそれぞれ構成する。 As shown in FIG. 1, the plurality of ruled lines 11 are arranged with a space between each other, and each ruled line 11 extends over the entire length between two short sides of the sheet 10. With these ruled lines 11, the sheet 10 is divided into a plurality of portions constituting the four peripheral wall portions of the rectangular tube in the exterior body 16. Specifically, the sheet 10 is divided into five sections by four ruled lines 11. When the sheet 10 is bent into a rectangular tube shape, as shown in FIG. The two compartments at both ends are overlapped with each other to constitute one of the four peripheral wall portions of the square tube, and the other three compartments constitute the remaining three peripheral wall portions.
　上記のような罫線１１は、罫線刃３０をプラスチックダンボールＤの表面に押し当てて凹ませることにより形成される。罫線刃３０は、プラスチックダンボールＤに罫線１１を形成するための罫線機や、プラスチックダンボールＤを所定の形状に打ち抜くとともに罫線１１を形成するための打ち抜き装置などに取り付けられて使用されるものであって、罫線機や打ち抜き装置に保持される本体部３１と、この本体部３１から連なり、プラスチックダンボールＤに食い込んで罫線１１を形成する刃部３２とを備えている。 The ruled line 11 as described above is formed by pressing the ruled line blade 30 against the surface of the plastic cardboard D to be recessed. The ruled line blade 30 is used by being attached to a ruled line machine for forming the ruled line 11 on the plastic cardboard D, or a punching device for punching the plastic cardboard D into a predetermined shape and forming the ruled line 11. The main body 31 is held by a ruler or punching device, and the blade 32 is formed from the main body 31 and cuts into the plastic cardboard D to form the ruled line 11.
　本実施形態の罫線刃３０は、図５および図６に示すように、形成したい罫線１１の溝幅と等しい厚さを有する矩形の金属板により構成されている。罫線刃３０において、金属板の４辺のうち１辺（図５における下側の辺）を構成する端縁部が刃部３２となっており、残りの部分が本体部３１となっている。刃部３２の端面（本体部３１とは反対側の面；図６および図７の下面）は、形成したい罫線１１の幅と同じ幅を有し、一方向に延びる細長い矩形の平坦な面（平坦面３２Ｆ）となっており、この平坦面３２Ｆからは、平坦面３２Ｆの延び方向と同方向に一直線状に延びる突条３３が突出している。突条３３は、図６および図７に示すように、平坦面３２Ｆよりも幅が狭く、細長い円柱を縦に半割したような形状を有しており、図８に示すように、平坦面３２Ｆの両側縁間の中央に配置されている。 The ruled line blade 30 of the present embodiment is constituted by a rectangular metal plate having a thickness equal to the groove width of the ruled line 11 to be formed, as shown in FIGS. In the ruled line blade 30, the edge part constituting one side (the lower side in FIG. 5) of the four sides of the metal plate is the blade part 32, and the remaining part is the main body part 31. An end surface of the blade portion 32 (a surface opposite to the main body portion 31; a lower surface in FIGS. 6 and 7) has the same width as the width of the ruled line 11 to be formed, and is an elongated rectangular flat surface extending in one direction ( From this flat surface 32F, a ridge 33 that extends in a straight line projects in the same direction as the direction in which the flat surface 32F extends. As shown in FIGS. 6 and 7, the protrusion 33 has a shape that is narrower than the flat surface 32F and is formed by vertically dividing an elongated cylinder. As shown in FIG. It is arranged at the center between both side edges of 32F.
　シート１０に罫線１１を形成する際には、平坦な受け台（図示せず）上にプラスチックダンボールＤを敷き、罫線刃３０の平坦面３２ＦをプラスチックダンボールＤの表面に押し当て、刃部３２をプラスチックダンボールＤに食い込ませる。この後、罫線刃３０を取り除くと、そこに窪んだ痕である罫線１１が形成される。このとき、熱した罫線刃３０をプラスチックダンボールＤに押圧して部分的に溶融した後、硬化させることによって熱罫線を形成してもよい。 When the ruled line 11 is formed on the sheet 10, the plastic cardboard D is laid on a flat cradle (not shown), the flat surface 32F of the ruled line blade 30 is pressed against the surface of the plastic cardboard D, and the blade part 32 is moved. Cut into plastic cardboard D. Thereafter, when the ruled line blade 30 is removed, the ruled line 11 that is a trace recessed there is formed. At this time, the heat ruled line 30 may be formed by pressing the heated ruled line blade 30 against the plastic corrugated cardboard D and partially melting it, followed by curing.
　シート１０は、複数の罫線１１のそれぞれに沿って折り曲げられることにより、図９に示すような角筒状の外装体１６に組み立てられ、電線束２１に外装される。 The sheet 10 is folded along each of the plurality of ruled lines 11 to be assembled into a rectangular tube-shaped exterior body 16 as shown in FIG.
　ここで、図１２に示すような、Ｖ字溝状のＶ罫線１０１を有する従来のシート１００を折り曲げる場合には、シート１００を、Ｖ字溝の２つの傾斜面１０２によって形成される角部１０３に沿ってシャープに曲げることができるが、シート１００の折り曲げ角度が、２つの傾斜面１０２が当接する角度（図１３に示す角度）に固定されてしまい、曲げ角度の自由度がない。 Here, when a conventional sheet 100 having V-shaped V-shaped ruled lines 101 as shown in FIG. 12 is folded, the sheet 100 is cornered 103 formed by two inclined surfaces 102 of the V-shaped groove. However, the bending angle of the sheet 100 is fixed to an angle at which the two inclined surfaces 102 abut (an angle shown in FIG. 13), and there is no flexibility in the bending angle.
　一方、図１４に示すような、溝底面１１２がシート１１０の表面に平行な平罫線１１１を有する従来のシート１１０を折り曲げた場合には、シート１１０の曲げ角度の自由度をある程度確保できるが、図１５に示すように、シート１１０をシャープに曲げることができず、シート１１０の曲げによって形成された角部１１３が外側に半筒状に膨出してしまう。 On the other hand, as shown in FIG. 14, when the conventional sheet 110 having the groove bottom surface 112 having the flat ruled line 111 parallel to the surface of the sheet 110 is folded, the degree of freedom of the bending angle of the sheet 110 can be secured to some extent. As shown in FIG. 15, the sheet 110 cannot be bent sharply, and the corner 113 formed by bending the sheet 110 bulges outward in a semi-cylindrical shape.
　これに対し、本実施形態の罫線１１を有するシート１０を折り曲げた場合には、図１１に示すように、補助溝部１５に沿ってシート１０をシャープに曲げることができる。また、主溝部１２の２つの開口縁１２Ｅ（溝側面１３とシート１０の表面との境界線）が互いにぶつからない範囲でシート１０の曲げ角度の自由度を確保できる。 On the other hand, when the sheet 10 having the ruled line 11 of the present embodiment is folded, the sheet 10 can be bent sharply along the auxiliary groove portion 15 as shown in FIG. In addition, the degree of freedom of the bending angle of the sheet 10 can be ensured as long as the two opening edges 12E (the boundary line between the groove side surface 13 and the surface of the sheet 10) do not collide with each other.
　以上のように本実施形態によれば、プラスチックダンボール製のシート１０が、表面に配置された溝状の罫線１１を有しており、罫線１１が、互いに向かい合って配置される一対の溝側面１３と、これら一対の溝側面１３間を連結し、シート１０の表面と平行な溝底面１４とを有する主溝部１２と、溝底面１４に配置されて主溝部１２よりも幅の狭い補助溝部１５とを備える。 As described above, according to this embodiment, the sheet 10 made of plastic corrugated cardboard has the groove-like ruled lines 11 arranged on the surface, and the pair of groove side faces 13 on which the ruled lines 11 are arranged facing each other. A pair of groove side surfaces 13 and a main groove portion 12 having a groove bottom surface 14 parallel to the surface of the sheet 10, and an auxiliary groove portion 15 disposed on the groove bottom surface 14 and narrower than the main groove portion 12. Is provided.
　このような折り曲げ構造を有するシート１０は、補助溝部１５に沿ってシャープに折り曲げることができる。また、主溝部１２の２つの開口縁１２Ｅが互いにぶつからない範囲で、曲げ角度の自由度を確保できる。
　このような折り曲げ構造を有するシート１０により構成された外装体１６は、ワイヤーハーネス１用として好適である。 The sheet 10 having such a folding structure can be bent sharply along the auxiliary groove 15. In addition, the degree of freedom of the bending angle can be ensured as long as the two opening edges 12E of the main groove portion 12 do not collide with each other.
The exterior body 16 constituted by the sheet 10 having such a bent structure is suitable for the wire harness 1.
　また、シート１０に罫線１１を形成するための罫線刃３０は、本体部３１と、この本体部３１から連なる板状の刃部３２とを備え、刃部３２が、本体部３１とは反対側の面であって一方向に延びる平坦面３２Ｆと、平坦面３２Ｆから突出し、平坦面３２Ｆの延び方向と同方向に一直線状に延びる突条３３とを有している。このような罫線刃３０は、ワイヤーハーネス１用の外装体１６を構成するシート１０の製造において、プラスチックダンボールＤに罫線１１を形成するために、好適に使用することができる。 Further, the ruled line blade 30 for forming the ruled line 11 on the sheet 10 includes a main body part 31 and a plate-like blade part 32 connected to the main body part 31, and the blade part 32 is opposite to the main body part 31. A flat surface 32F extending in one direction and a protrusion 33 protruding from the flat surface 32F and extending in a straight line in the same direction as the extending direction of the flat surface 32F. Such a ruled line blade 30 can be suitably used for forming the ruled line 11 on the plastic corrugated cardboard D in the manufacture of the sheet 10 constituting the exterior body 16 for the wire harness 1.
　＜他の実施形態＞
　本明細書に開示される技術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技術的範囲に含まれる。
（１）上記実施形態では、波型に成形した中芯Ｆの両面にライナーＬを配置することによって構成されたプラスチックダンボールＤを例示したが、プラスチックダンボールの構成は上記実施形態に限らず、例えば、ハニカム構造のリブを有していてもよく、ライナーに垂直な板状のリブが並んで配置された構成を有していてもよい。 <Other embodiments>
The technology disclosed in this specification is not limited to the embodiment described with reference to the above description and drawings, and for example, the following embodiments are also included in the technical scope.
(1) In the above embodiment, the plastic corrugated cardboard D is exemplified by arranging the liner L on both surfaces of the corrugated core F. However, the configuration of the plastic corrugated cardboard is not limited to the above embodiment. In addition, a rib having a honeycomb structure may be provided, or a plate-like rib perpendicular to the liner may be arranged side by side.
（２）上記実施形態では、外装体１６が電線束２１を直線状に支持していたが、例えば、外装体が分岐を有する筒状であって、電線束を分岐させて支持するようになっていても構わない。 (2) In the above embodiment, the outer package 16 supports the wire bundle 21 in a straight line. However, for example, the outer package has a cylindrical shape having a branch, and the wire bundle is branched and supported. It does not matter.
（３）上記実施形態では、外装体１６が角筒状であったが、外装体の形状は上記実施形態に限らず、例えば三角筒状、六角筒状、Ｕ字溝状などであっても構わない。 (3) In the above embodiment, the exterior body 16 has a rectangular tube shape, but the shape of the exterior body is not limited to the above embodiment, and may be, for example, a triangular cylinder shape, a hexagonal cylinder shape, a U-shaped groove shape, or the like. I do not care.
（４）上記実施形態では、主溝部１２の各溝側面１３が、シート１０の表面から、シート１０の表面に対して垂直に延びていたが、例えば、２つの溝側面が、シートの表面から離れるにしたがって互いに近づく方向に傾く傾斜面であっても構わない。 (4) In the above-described embodiment, each groove side surface 13 of the main groove portion 12 extends perpendicularly to the surface of the sheet 10 from the surface of the sheet 10, but for example, two groove side surfaces are from the surface of the sheet. It may be an inclined surface which inclines in the direction which approaches each other as it leaves | separates.
１…ワイヤーハーネス
１０…シート
１１…罫線
１２…主溝部
１３…溝側面
１４…溝底面
１５…補助溝部
１６…電線外装体
２０…電線
３０…罫線刃
３１…本体部
３２…刃部
３２Ｆ…平坦面
３３…突条
Ｄ…プラスチックダンボール（中空板）
Ｌ…ライナー
Ｒ…リブ
Ｓ…中空部 DESCRIPTION OF SYMBOLS 1 ... Wire harness 10 ... Sheet | seat 11 ... Ruled line 12 ... Main groove part 13 ... Groove side surface 14 ... Groove bottom face 15 ... Auxiliary groove part 16 ... Electric wire exterior body 20 ... Electric wire 30 ... Ruled line blade 31 ... Main-body part 32 ... Blade part 32F ... Flat surface 33 ... Projection D ... Plastic cardboard (hollow plate)
L ... Liner R ... Rib S ... Hollow

Claims (4)

  1. 　電線に外装される電線外装体であって、
    　プラスチック製のシートにより構成され、
    　前記シートが、表裏両面のうち一面に配置された溝状の罫線を有しており、
    　前記罫線が、
    　互いに向かい合って配置される一対の溝側面と、前記一対の溝側面間を連結し、前記シートの一面と平行な溝底面とを有する主溝部と、
    　前記溝底面に配置されて前記主溝部よりも幅の狭い補助溝部とを備える電線外装体。     A wire outer package that is sheathed by an electric wire,
    Consists of plastic sheets,
    The sheet has groove-like ruled lines arranged on one of the front and back sides,
    The ruled line is
    A main groove portion having a pair of groove side surfaces disposed opposite to each other, and a groove bottom surface connecting the pair of groove side surfaces and parallel to one surface of the sheet;
    An electric wire exterior body provided with an auxiliary groove part arranged on the bottom face of the groove and narrower than the main groove part.
  2. 　前記シートが、
    　互いに隙間を空けて平行に配置される板状の２枚のライナーと、
    　前記２枚のライナーの間に渡される複数のリブとを有し、
    　前記２枚のライナーの隙間に前記リブで仕切られた中空部を有する中空板により構成されている、請求項１に記載の電線外装体。     The sheet is
    Two plate-like liners arranged in parallel with a gap between each other;
    A plurality of ribs passed between the two liners;
    The electric wire outer package according to claim 1, wherein the electric wire outer package is configured by a hollow plate having a hollow portion partitioned by the rib in a gap between the two liners.
  3. 　電線と、
    　前記電線に外装される電線外装体とを備えるワイヤーハーネスであって、
    　前記電線外装体が、
    　プラスチック製のシートにより構成され、
    　前記シートが、表裏両面のうち一面に配置された溝状の罫線を有しており、
    　前記罫線が、
    　互いに向かい合って配置される一対の溝側面と、前記一対の溝側面間を連結し、前記シートの一面と平行な溝底面とを有する主溝部と、
    　前記溝底面に配置されて前記主溝部よりも幅の狭い補助溝部とを備えるワイヤーハーネス。     Electric wires,
    A wire harness comprising a wire sheathing body sheathed on the wire,
    The wire outer package is
    Consists of plastic sheets,
    The sheet has groove-like ruled lines arranged on one of the front and back sides,
    The ruled line is
    A main groove portion having a pair of groove side surfaces disposed opposite to each other, and a groove bottom surface connecting the pair of groove side surfaces and parallel to one surface of the sheet;
    A wire harness comprising an auxiliary groove portion that is disposed on the groove bottom surface and is narrower than the main groove portion.
  4. 　プラスチック製のシートの表裏両面のうち一面を押圧することにより前記シートに罫線を形成するための罫線刃であって、
    　本体部と、前記本体部から連なる板状の刃部とを備え、
    　前記刃部が、前記本体部とは反対側の面であって一方向に延びる平坦な平坦面と、前記平坦面から突出し、前記平坦面の延び方向と同方向に一直線状に延びる突条とを有している罫線刃。     A ruled line blade for forming a ruled line on the sheet by pressing one of the front and back surfaces of the plastic sheet,
    A main body portion and a plate-like blade portion continuous from the main body portion
    The blade portion is a surface opposite to the main body portion and extends in one direction, a flat flat surface that protrudes in one direction, and a protrusion that protrudes from the flat surface and extends in a straight line in the same direction as the extending direction of the flat surface. Has a ruled blade.
PCT/JP2016/070233 2015-07-24 2016-07-08 Electric wire outer casing, wire harness, and ruling blade WO2017018166A1 (en)

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JP2015146657A JP2017028902A (en) 2015-07-24 2015-07-24 Wire casing, wire harness, and ruled line blade
JP2015-146657 2015-07-24

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WO2017018166A1 true WO2017018166A1 (en) 2017-02-02

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PCT/JP2016/070233 WO2017018166A1 (en) 2015-07-24 2016-07-08 Electric wire outer casing, wire harness, and ruling blade

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JP (1) JP2017028902A (en)
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4934406Y1 (en) * 1967-11-21 1974-09-18
JPS58157624U (en) * 1982-04-15 1983-10-21 寿屋フロンテ株式会社 Automotive interior materials
JP2004188751A (en) * 2002-12-11 2004-07-08 Kuroiwa:Kk Ruling device
WO2015016056A1 (en) * 2013-08-02 2015-02-05 株式会社オートネットワーク技術研究所 Wire harness with protector, method for manufacturing wire harness with protector, protector assembly jig, and protector

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4934406Y1 (en) * 1967-11-21 1974-09-18
JPS58157624U (en) * 1982-04-15 1983-10-21 寿屋フロンテ株式会社 Automotive interior materials
JP2004188751A (en) * 2002-12-11 2004-07-08 Kuroiwa:Kk Ruling device
WO2015016056A1 (en) * 2013-08-02 2015-02-05 株式会社オートネットワーク技術研究所 Wire harness with protector, method for manufacturing wire harness with protector, protector assembly jig, and protector

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