WO2012144111A1 - Matériau de protection pour faisceau de câbles et procédé de fabrication de matériau de protection pour faisceau de câbles - Google Patents

Matériau de protection pour faisceau de câbles et procédé de fabrication de matériau de protection pour faisceau de câbles Download PDF

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Publication number
WO2012144111A1
WO2012144111A1 PCT/JP2011/080001 JP2011080001W WO2012144111A1 WO 2012144111 A1 WO2012144111 A1 WO 2012144111A1 JP 2011080001 W JP2011080001 W JP 2011080001W WO 2012144111 A1 WO2012144111 A1 WO 2012144111A1
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WO
WIPO (PCT)
Prior art keywords
protective material
wire
net
wire harness
shape
Prior art date
Application number
PCT/JP2011/080001
Other languages
English (en)
Japanese (ja)
Inventor
田中　厚雄
Original Assignee
住友電装株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 住友電装株式会社 filed Critical 住友電装株式会社
Priority to CN201180068762XA priority Critical patent/CN103415967A/zh
Publication of WO2012144111A1 publication Critical patent/WO2012144111A1/fr

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Classifications

    • 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
    • H02G3/0462—Tubings, i.e. having a closed section
    • H02G3/0481—Tubings, i.e. having a closed section with a circular cross-section

Definitions

  • a resin sheet may be used as an electric wire protection material in a wire harness mounted on a vehicle such as an automobile.
  • a protective material formed in a net shape may be used.
  • the net-like protective material for a wire harness disclosed in Patent Document 1 is formed in a net shape by overlapping vertical lines and horizontal lines made of a resin wire at intersections without being knitted, and fusing the intersections. .
  • the molten resin material is extruded from the hole of the out die and the hole of the inner die that are rotated in the opposite directions, and each hole is overlapped to form an intersecting portion where the vertical line and the horizontal line are overlapped and welded.
  • a lattice shape is formed by separating the holes.
  • the wire harness may be exposed to sand, dust, etc. depending on the laying position.
  • a net-like protective material in order to suppress intrusion of sand, dust, and the like from the mesh (holes), it may be required to reduce the mesh.
  • an object of the present invention is to suppress intrusion of sand, dust and the like while reducing the weight.
  • a 1st aspect is a protective material for wire harnesses which protects an electric wire, Comprising: A net-like core part formed by crossing a plurality of line parts in a mesh shape, and the plurality of line parts in a plan view And a hole filling portion that is formed in a shape that protrudes inside the mesh to be partially or wholly shielded therebetween.
  • a 2nd aspect is a protective material for wire harnesses which concerns on a 1st aspect, Comprising: In the said at least 1 mesh among the meshes formed by the said some line part, the said hole-filling part is the said in planar view, It is formed in a shape that is partially shielded by a shape that opens at the center between meshes formed by a plurality of line portions.
  • a 3rd aspect is a protective material for wire harnesses which concerns on a 1st aspect, Comprising: In the planar view, the said hole-filling part is the shape which shields entirely between the meshes formed by these several line parts. Is formed.
  • a 4th aspect is a manufacturing method of the protective material for wire harnesses which protects an electric wire, Comprising: (a) The net-like sheet body in which the some wire which is a resin wire crosses and is formed in mesh shape is heated. A step of melting at least one surface portion, and a step of (b) pressing the net-like sheet body heated in the step (a) in the thickness direction.
  • a plurality of line portions are formed so as to cross in a mesh shape, and project between the mesh formed by the plurality of line portions. And a hole filling portion formed in a shape to be partially or totally shielded. For this reason, it is possible to reduce the weight as compared with a sheet-like protective material having the same thickness dimension, and a gap is reduced by interposing a hole filling portion between the meshes formed by a plurality of line portions of the mesh core, sand, Intrusion of dust and the like can be suppressed.
  • the hole filling portion is formed in a shape that is partially shielded by a shape that opens at the center between the meshes formed by the plurality of line portions in plan view. Therefore, intrusion of sand, dust and the like can be suppressed while reducing the weight as compared with a normal sheet-like protective material having the same thickness.
  • the hole filling portion is formed in a shape that totally shields the mesh formed by the plurality of line portions in plan view. Etc. can be more effectively suppressed.
  • At least one surface portion is heated by heating a net-like sheet body formed by intersecting a plurality of wire rods that are resin wire rods in a mesh shape. And the heated net-like sheet body is pressed in the thickness direction. As a result, the melted portion of the net-like sheet body is spread and penetrates between the meshes formed by the plurality of wire rods, and a portion between the meshes formed by the plurality of wire rods is obtained by solidifying the melt. Therefore, it is possible to suppress intrusion of sand, dust and the like while reducing the weight.
  • FIG. 2 is a sectional view taken along line II-II in FIG. It is a top view of the protective material for wire harnesses which concerns on 1st Embodiment.
  • FIG. 4 is a sectional view taken along line IV-IV in FIG. 3. It is a top view of the protective material for wire harnesses concerning 2nd Embodiment.
  • FIG. 6 is a sectional view taken along line VI-VI in FIG. 5. It is a top view of the protective material for wire harnesses which concerns on a modification.
  • FIG. 8 is a sectional view taken along line VIII-VIII in FIG. It is a figure which shows the manufacturing method of the protective material for wire harnesses.
  • This protective material for wire harnesses is a sheet-like member which protects an electric wire with the cylindrical form which covered the circumference
  • the electric wire is, for example, an electric wire incorporated in a wire harness mounted on a vehicle such as an automobile, and may be either an electric wire bundle in which a plurality of electric wires are bundled or a single electric wire. Depending on the routing route, the electric wire may come into contact with peripheral members, and wear may occur due to vehicle vibration or the like.
  • the protective material for a wire harness is a member for protecting such a portion of the electric wire.
  • the wire harness protective material 10 is formed by processing the net-like sheet body 2.
  • the net-like sheet body 2 is a member formed by crossing a plurality of vertical wires 4 and a plurality of horizontal wires 6 which are resin wires in a mesh shape (see FIGS. 1 and 2).
  • the net-like sheet body 2 (wire harness protective material 10) is formed of polypropylene (PP).
  • the material of the net-like sheet body 2 is not limited to polypropylene (PP), and polyethylene (PE), polyvinyl chloride (PVC), or the like can also be employed.
  • the plurality of vertical wires 4 and the plurality of horizontal wires 6 of the net-like sheet body 2 are formed in a substantially circular shape in a cross-sectional view orthogonal to each extending direction.
  • the net-like sheet body 2 is manufactured as follows, for example. That is, on the outer peripheral side of the vertical line mold in which a plurality of substantially circular extrusion holes are formed in a spiral shape on the outer peripheral portion of the cylindrical body, a plurality of cross-sectional views are spirally formed on the inner peripheral portion of the cylindrical body.
  • a horizontal wire mold in which a circular extrusion hole is formed is fitted so as to be relatively rotatable, and the molten resin is extruded through each extrusion hole while the vertical wire mold and the horizontal wire mold are rotated in opposite directions. .
  • the plurality of vertical wires 4 on the inner peripheral side and the plurality of horizontal wires 6 on the outer peripheral side intersect at the positions where they are extruded from the respective extrusion holes, and are bonded at the overlapped intersections. It is formed.
  • the cylindrical body is cooled in water or the like in order to maintain the shape, and is formed as a net-like sheet body 2 by cutting a part in the circumferential direction with a cutting blade.
  • the net-like sheet body 2 is formed in a continuous band shape, and is used by being cut according to the size of the protective material 10 for wire harness.
  • This wire harness protective material 10 heats the net-like sheet body 2 to melt at least one surface portion in the thickness direction, and pressurizes the heated net-like sheet body 2 in the thickness direction. It is formed through a process.
  • the net-like sheet body 2 is heated from one side in the thickness direction to melt the surface portion on the one side.
  • dissolving these horizontal wire 6 partially is shown. But you may perform the heating of the net-like sheet body 2 from the some vertical wire 4 side.
  • the heater plate 50 is a device having a planar heating surface on which the net-like sheet body 2 can be placed.
  • the heating surface of the heater plate 50 is heated to 350 degrees.
  • the temperature of a heating surface is good to set to the temperature higher than melting
  • the net-like sheet body 2 heated on the heater plate 50 is pressurized so as to press against the heating surface of the heater plate 50.
  • the structure which rolls the pressure roller 60 on the net-like sheet body 2, and pressurizes the whole is employ
  • the space between the pressure roller 60 and the heating surface of the heater plate 50 is determined by the thickness of the net-like sheet body 2, the thickness of the wire harness protective material 10 to be manufactured, and the form (thickness, opening of the hole filling portion 22). It may be determined in consideration of the presence or absence).
  • the wire harness protective material 10 formed as described above includes a net-like core portion and a hole filling portion 22. More specifically, a net-like core portion is formed by a portion of the plurality of vertical wires 4 and the plurality of horizontal wires 6 that remain without being melted in the net-like sheet body 2, and the plurality of vertical wires 4 and The hole filling portion 22 is formed by solidifying a melt produced by melting the horizontal wire 6.
  • the mesh core portion is formed by a plurality of vertical line portions 14 and a plurality of horizontal line portions 16 intersecting in a mesh pattern. That is, the plurality of vertical line portions 14 are portions of the plurality of vertical wire members 4 of the net-like sheet body 2 that remain without being melted, and the plurality of horizontal line portions 16 remain without being melted of the plurality of horizontal wire members 6. Part.
  • the surface portion on one side in the thickness direction of the net-like sheet body 2 among the plurality of horizontal wires 6 is melted on the heating surface of the heater plate 50, and the net-like sheet body 2 is entirely formed. By being heated and pressurized, a part or the whole of the undissolved part of the plurality of vertical wires 4 and the plurality of horizontal wires 6 is formed into a flat shape mainly crushed in the thickness direction. .
  • the plurality of horizontal line parts 16 have a substantially D shape having a straight part on one side in the thickness direction of the mesh core part in a cross-sectional view orthogonal to the extending direction. That is, the plurality of horizontal line portions 16 have flat end surfaces along the extending plane of the mesh core portion on one side in the thickness direction of the mesh core portion.
  • line part 16 may have also melt
  • the plurality of vertical line portions 14 have a circular shape crushed in the thickness direction in a cross-sectional view orthogonal to the extending direction.
  • the outer peripheral portions of the plurality of vertical wire members 4 that are in contact with the melt may be partially melted.
  • the hole filling portion 22 is formed in a shape that protrudes inside the mesh formed by the plurality of vertical line portions 14 and the plurality of horizontal line portions 16 in a plan view and partially or entirely shields the space therebetween.
  • the melt produced by melting the plurality of horizontal wires 6 is the plurality of vertical wires 4 and the plurality of horizontal wires 6. It accumulates on the heater plate 50 between unmelted portions and solidifies in this shape. That is, the hole filling portion 22 has an end surface along the extending plane of the mesh core portion on one side in the thickness direction of the mesh core portion. This end face is substantially flush with the end faces of the plurality of horizontal line portions 16.
  • the hole filling portion 22 is formed on both sides mainly along the plurality of horizontal line portions 16 (see FIG. 4).
  • the hole filling portion 22 is in contact with the portion of the plurality of vertical line portions 14 on one side in the thickness direction of the mesh core, and extends along both the vertical line portions 14 and on both sides thereof. It is formed between a plurality of horizontal line portions 16. That is, the hole filling portion 22 is formed in a shape that is partially shielded by a shape that opens at the center between the meshes formed by the plurality of vertical line portions 14 and the plurality of horizontal line portions 16 in plan view ( (See FIG. 3).
  • the opening size of the hole filling portion 22 is preferably set to be smaller than 100 ⁇ m from the viewpoint of suppressing intrusion of sand, dust and the like.
  • the opening dimension of the hole-filling part 22 can be adjusted by adjusting the heating temperature, heating time, pressurizing force, etc. of the net-like sheet body 2.
  • This protective material 10 for wire harness is used by cutting into a size corresponding to the diameter and protection range of the wire to be protected.
  • the protective material 10 for a wire harness is preferably formed in a rectangular shape having a width corresponding to the protection range of the electric wire, and is wound around the electric wire in a form in which ends are overlapped in the radial direction of the electric wire.
  • the protective material 10 for wire harnesses may be formed in an elongate belt shape, and may be wound helically around the electric wire.
  • the protective material 10 for wire harness wound around the electric wire may be fixed with an adhesive tape or the like and maintained in a wound state.
  • the protective material 10 for wire harness is not limited to the above shape.
  • the shape formed by heating from both sides in the thickness direction of the net-like sheet body 2 may be used. That is, on both sides in the thickness direction of the net-like sheet body 2, the surface portions of the plurality of vertical wires 4 and the plurality of horizontal wires 6 may be melted to generate a melt and form a hole filling portion.
  • the production of the wire harness protective material 10 is not limited to the above method.
  • the protective material 10 for wire harness can also be manufactured by press-molding the net-like sheet body 2 with a pair of molds in which one or both are heated.
  • a plurality of vertical line portions 14 and a plurality of horizontal line portions 16 are formed so as to intersect in a mesh shape, and a plurality of There is provided a hole filling portion 22 formed in a shape that protrudes inside the vertical line portion 14 and the plurality of horizontal line portions 16 and partially or entirely shields the space therebetween.
  • the hole filling part 22 intervenes between the some vertical line part 14 and the some horizontal line part 16 of a net-like core part, and a plurality of The gaps between the vertical line portions 14 and the plurality of horizontal line portions 16 are reduced, and entry of sand, dust, and the like can be suppressed.
  • the net-like sheet body 2 is heated to melt at least one surface portion in the thickness direction, and the heated net-like sheet body 2 is pressed in the thickness direction, thereby forming the net-like sheet body 2.
  • the melted portion penetrates between the plurality of horizontal wires 6.
  • the space between the horizontal wires 6 is partially or entirely blocked.
  • the wire harness protective material 10 having a plurality of types of thickness dimensions and mesh sizes different from one type of net-like sheet body 2 can be manufactured. .
  • the hole filling portion 22 is formed by the wire harness protective material 10 formed in a shape that opens and is partially shielded between the plurality of vertical line portions 14 and the plurality of horizontal line portions 16 in plan view. In addition, it is possible to suppress the intrusion of sand, dust and the like while reducing the weight as compared with a normal sheet-like protective material having the same thickness.
  • the protective material 110 for wire harnesses which concerns on 2nd Embodiment is demonstrated (refer FIG. 5, FIG. 6).
  • a different point from the protective material 10 for wire harnesses which concerns on 1st Embodiment is mainly the shape of the hole-filling part 122, and it demonstrates centering on this shape. Note that a description of the same configuration is omitted.
  • the protective material 110 for wire harnesses is formed by the same manufacturing method as the protective material 10 for wire harnesses. But about the heating temperature of the net-like sheet body 2, a heating time, and a pressurizing force, it is good to adjust according to the form etc. of the hole-filling part 122 of the protective material 110 for wire harnesses to form.
  • the wire harness protective material 110 includes a net-like core portion having a plurality of vertical line portions 114 and a plurality of horizontal line portions 116, and a hole filling portion 122.
  • the hole filling portion 122 is formed in a shape that totally shields the mesh formed by the plurality of vertical line portions 114 and the plurality of horizontal line portions 116 in plan view (see FIG. 5). More specifically, when the net-like sheet body 2 is heated and the surface portion on one side in the thickness direction of the net-like sheet body 2 among the plurality of horizontal wires 6 is melted, On the heating surface, a hole filling portion 122 is formed by accumulating and solidifying between the plurality of horizontal wires 6 that have not been melted (see FIG. 6). In addition, the hole filling portion 122 is interposed between the plurality of horizontal line portions 116 and is formed in contact with a portion on one side in the thickness direction of the mesh core portion among the plurality of vertical line portions 114.
  • the center portion of the hole filling portion 122 is thinly formed between the plurality of vertical line portions 114 and the plurality of horizontal line portions 116 in plan view (see FIG. 6). And by this shape where this center part is formed thinly, it becomes lightweight compared with the sheet-like protective material of the same thickness.
  • the shapes of the plurality of vertical line portions 114 and the plurality of horizontal line portions 116 are the same as the wire harness protective material 10 except that the thickness dimensions of the plurality of horizontal line portions 116 (melting amount of the plurality of horizontal wire members 6) are different. It is almost the same.
  • a part of the mesh may be shielded entirely, and the other mesh may be partially shielded in a shape opening at the center.
  • the wire harness protection member 210 includes a mesh core having a plurality of vertical line portions 214 and a plurality of horizontal line portions 216, and a hole filling portion 222.
  • the surface portion on the other side in the thickness direction of the net-like sheet body 2 among the plurality of vertical wire members 4 is melted.
  • And is formed in a substantially D shape having a straight line portion on the other side in the thickness direction. That is, the plurality of vertical line portions 214 have end faces along the extending plane of the mesh core portion on the other side in the thickness direction of the mesh core portion.
  • the hole filling portion 222 is formed in a shape that totally shields between the plurality of vertical line portions 114 and the plurality of horizontal line portions 116 in plan view.
  • the hole filling portion 222 is formed to have a large thickness dimension as compared with the case where the net-like sheet body 2 is heated only from one side in the thickness direction. That is, since the surface portions on both sides in the thickness direction of the net-like sheet body 2 are melted, the amount of the melt is large, and a larger amount is accumulated between the plurality of vertical wire rods 4 and the plurality of horizontal wire rods 6 that remain undissolved.
  • the wire harness protective material 210 as a whole is formed thinner.
  • the central portion of the hole filling portion 222 is formed thin (see FIG. 8). And by the shape where this center part is formed thinly, it becomes lightweight compared with the sheet-like protective material of the same thickness.
  • the hole filling portion 122 is formed in a shape that totally shields between the plurality of vertical line portions 114 and the plurality of horizontal line portions 116 in plan view. Therefore, intrusion of sand, dust and the like can be more effectively suppressed. In addition, the same effect is obtained also about the protective material 210 for wire harnesses which concerns on the said modification.
  • the thickness of the wire harness protective material as a whole can be easily adjusted by changing the melting amount of the net-like sheet body 2 according to the heating and pressurizing modes.
  • wire harness protective material 10, 110, 210 has been described in detail, but the above description is an example in all aspects, and the present invention is not limited thereto. It is understood that countless variations that are not illustrated can be envisaged without departing from the scope of the present invention.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Details Of Indoor Wiring (AREA)
  • Insulated Conductors (AREA)

Abstract

L'invention concerne un matériau de protection pour un faisceau de câbles, lequel consiste en un élément enroulé autour de câbles électriques afin de les protéger. Le matériau de protection pour faisceau de câbles comprend : un noyau de type filet qui est formé en croisant plusieurs parties de lignes verticales et plusieurs parties de lignes horizontales sous forme de filet; et une partie de remplissage de trou qui dépasse vers le côté interne de chaque maillage formé par lesdites plusieurs parties de lignes verticales et plusieurs parties de lignes horizontales, et qui est formée de manière à obturer partiellement ou complètement un interstice formé par les parties de lignes verticales et les parties de lignes horizontales dans une vue en plan.
PCT/JP2011/080001 2011-04-22 2011-12-26 Matériau de protection pour faisceau de câbles et procédé de fabrication de matériau de protection pour faisceau de câbles WO2012144111A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201180068762XA CN103415967A (zh) 2011-04-22 2011-12-26 线束用保护部件及线束用保护部件的制造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-096314 2011-04-22
JP2011096314A JP2012228145A (ja) 2011-04-22 2011-04-22 ワイヤーハーネス用保護材及びワイヤーハーネス用保護材の製造方法

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WO2012144111A1 true WO2012144111A1 (fr) 2012-10-26

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CN (1) CN103415967A (fr)
WO (1) WO2012144111A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2916406B1 (fr) * 2014-03-06 2019-05-08 Mecaroute Procédé de protection d'un câble et gaine de protection du câble

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016132915A1 (fr) * 2015-02-19 2016-08-25 東京インキ株式会社 Article moulé en résine sous forme de réseau, et procédé de fabrication de celui-ci

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5237877A (en) * 1975-09-05 1977-03-24 Netlon Ltd Meshhwork structure
JPS58138623A (ja) * 1982-02-10 1983-08-17 Sekisui Jushi Co Ltd 合成樹脂ネツトの製造方法
JP2010148335A (ja) * 2008-12-22 2010-07-01 Sumitomo Wiring Syst Ltd ワイヤハーネス用のネット状保護材および製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH052924A (ja) * 1991-06-25 1993-01-08 Sumitomo Electric Ind Ltd ケーブル及びその製造方法
JPH0511720U (ja) * 1991-07-29 1993-02-12 矢崎総業株式会社 ワイヤハーネス用ネツトチユーブ
JP2001035263A (ja) * 1999-07-15 2001-02-09 Toko Inc 巻線部品用の複合線材
JP5174366B2 (ja) * 2007-03-28 2013-04-03 矢崎総業株式会社 電線保護材及びワイヤーハーネス

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5237877A (en) * 1975-09-05 1977-03-24 Netlon Ltd Meshhwork structure
JPS58138623A (ja) * 1982-02-10 1983-08-17 Sekisui Jushi Co Ltd 合成樹脂ネツトの製造方法
JP2010148335A (ja) * 2008-12-22 2010-07-01 Sumitomo Wiring Syst Ltd ワイヤハーネス用のネット状保護材および製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2916406B1 (fr) * 2014-03-06 2019-05-08 Mecaroute Procédé de protection d'un câble et gaine de protection du câble

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CN103415967A (zh) 2013-11-27

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