WO2017204003A1 - Élément de protection et fil électrique à élément de protection - Google Patents

Élément de protection et fil électrique à élément de protection Download PDF

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Publication number
WO2017204003A1
WO2017204003A1 PCT/JP2017/017992 JP2017017992W WO2017204003A1 WO 2017204003 A1 WO2017204003 A1 WO 2017204003A1 JP 2017017992 W JP2017017992 W JP 2017017992W WO 2017204003 A1 WO2017204003 A1 WO 2017204003A1
Authority
WO
WIPO (PCT)
Prior art keywords
yarn
protective member
electric wire
thread
fiber
Prior art date
Application number
PCT/JP2017/017992
Other languages
English (en)
Japanese (ja)
Inventor
芳正 水野
泰行 山本
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
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 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 WO2017204003A1 publication Critical patent/WO2017204003A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • 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

  • This invention relates to a technique for protecting electric wires.
  • Patent Document 1 discloses a woven sleeve for protecting an elongated member.
  • the woven sleeve is in the form of a woven structure with a first type of yarn containing monofilaments and a second type of yarn containing multifilaments.
  • the woven sleeve has a woven structure, it is difficult for the sleeve to spread in the radial direction, and it is difficult to insert an electric wire or the like into the sleeve.
  • an object of the present invention is to provide a technique capable of easily inserting an electric wire into a cylindrical member.
  • the protective member according to the first aspect is a protective member that is sheathed on the electric wire, and is formed by knitting a thread and is formed in a cylindrical shape.
  • the protective member according to the second aspect is the protective member according to the first aspect, and is formed by spirally knitting the yarn.
  • the protective member according to a third aspect is the protective member according to the first or second aspect, wherein the yarn forms a loop with a sub-yarn extending spirally without forming a loop, and And ground yarn knitted in a spiral shape with the sub-yarn involved.
  • the protective member according to the fourth aspect is the protective member according to the first or second aspect, and all the yarns are spirally knitted while forming a loop.
  • the protection member according to a fifth aspect is the protection member according to any one of the first to fourth aspects, wherein the yarn is a first yarn and a second thicker than the first yarn. Including yarn.
  • the protective member according to a sixth aspect is the protective member according to any one of the first to fifth aspects, wherein the fibers constituting the yarn are more than the first fibers and the first fibers. And a second fiber having a low melting point.
  • the electric wire with a protective member according to a seventh aspect includes the protective member according to any one of the first to sixth aspects, and at least one electric wire inserted through the protective member.
  • the protective member is easily stretched because it is formed by knitting yarn. For this reason, it becomes easy to spread the protection member formed in the cylinder shape, and thus it becomes easy to insert the electric wire into the protection member.
  • the yarn is knitted in a spiral shape, it is not necessary to fasten the pair of edges that are abutted compared to the case where the flat knitted fabric is formed into a cylindrical shape.
  • the expansion and contraction performance can be regulated by the presence of the sub yarn.
  • the expansion / contraction performance can be improved.
  • the second fiber can function as the binder fiber by heating the protective member to the melting point of the second fiber or higher and lower than the melting point of the first fiber.
  • the protective member is easily stretched because the yarn is knitted. For this reason, it becomes easy to spread the protection member formed in the cylinder shape, and thus it becomes easy to insert the electric wire into the protection member.
  • Drawing 1 is an outline perspective view showing protection member 20 and electric wire 10 with a protection member concerning an embodiment.
  • FIG. 1 only the structure of a part of the loop 30 of the protection member 20 is illustrated, and in the other part, a schematic spiral path of the yarn 22 is illustrated by a two-dot chain line.
  • the electric wire 10 with a protective member includes an electric wire 12 and a protective member 20 formed in a cylindrical shape.
  • Each electric wire 12 includes, for example, a core wire and a coating formed around the core wire.
  • the core wire is formed in a linear shape from a conductive material such as copper, copper alloy, aluminum, or aluminum alloy.
  • the core wire has a configuration in which a plurality of strands are twisted together.
  • the core wire may be comprised with the single wire.
  • the coating is formed by extruding an insulating resin material around the core wire by an extrusion device or the like.
  • a connector or the like is connected to the end of the electric wire 12.
  • the electric wire 12 is connected to various electric devices mounted on the vehicle or the like via a connector or the like in a state where the electric wire 12 is arranged at an arrangement target location of the vehicle or the like. And it is used as what electrically connects various electric equipments.
  • the first method is to insert the electric wire 12 from one end of the cylindrical member toward the other end with respect to the cylindrical member that is not cut in the circumferential direction.
  • the cylindrical member is formed so as to be difficult to expand in the radial direction, it is necessary to perform so-called passing through, in which the electric wire 12 is inserted into the cylindrical member before the electric wire 12 is connected to the connector. For this reason, when manufacturing a wire harness combining the some electric wire 12, a restriction
  • the cylindrical member when the cylindrical member is formed so as to be easily spread in the radial direction, the electric wire 12 can be inserted into the cylindrical member from the connector side even after the electric wire 12 is connected to the connector. For this reason, when manufacturing a wire harness combining the some electric wire 12, a cylindrical member can be armored by arbitrary manufacturing processes, and manufacture becomes easy. For this reason, it is preferable that the cylindrical member that is not continuous in the circumferential direction is formed so as to be easily expanded in the radial direction.
  • the second method is employed when it is difficult to increase the diameter of the cylindrical member, for example.
  • the tubular member is externally provided from the side surface of the bundle of electric wires 12 by providing a cut extending in the axial direction in the cylindrical member and cleaving the cylindrical member with the cut, or by dividing the tubular member.
  • a cylindrical member can be exteriorized by arbitrary manufacturing processes, in order to improve protection performance, the process of closing a break is newly needed.
  • the protection member 20 is sheathed on the electric wire 12 by the first method. That is, the protective member 20 has no cut in the circumferential direction, and the electric wire 12 is inserted from the axial direction one end 21a of the protective member 20 toward the other end 21b.
  • Protective member 20 is formed by knitting yarn 22.
  • the protection member 20 is formed by knitting the yarn 22 while extending spirally. This kind of knitting is also called circular knitting.
  • the protection member 20 is formed of a single thread 22.
  • each of the loops 30 becomes smaller, so that the protective member 20 can extend in the circumferential direction, and thus can expand in the radial direction. .
  • the electric wire 12 can be easily passed through the protective member 20 by expanding the protective member 20 in the radial direction.
  • the initial shape before the protective member 20 is spread is a cylindrical shape whose inner diameter is equal to or smaller than the outer diameter of the bundle of the wires 12 to be protected.
  • the initial shape before the protection member 20 is spread may be a cylindrical shape whose inner diameter is larger than the outer diameter of the bundle of the electric wires 12 to be protected.
  • the protective member 20 is preferably formed in a cylindrical shape. However, it is conceivable that the protective member 20 maintains the initial shape if its own rigidity is high, and changes its shape from the initial shape due to the influence of gravity or the like if its own rigidity is low. Further, when the protective member 20 is sheathed on the electric wire 12, it can be considered that the protective member 20 changes to a shape corresponding to the shape of the bundle of electric wires 12. For example, when the electric wire has a flat shape (horizontally long in cross section), it is conceivable that the protective member 20 covered by the electric wire also has a flat shape.
  • the rigidity of the protection member 20 is determined by, for example, the knitting method and the rigidity of the yarn 22.
  • the single yarn 22 may be constituted by one single yarn or may be constituted by a plurality of single yarns. When one yarn 22 is composed of a plurality of single yarns, it is usually configured by twisting a plurality of single yarns.
  • the single yarn may be composed of long fibers (also referred to as filaments) or short fibers (also referred to as spans or staples).
  • the yarn 22 may be a yarn composed of a single filament (also referred to as monofilament yarn or simply monofilament), or a yarn composed of a plurality of filaments (also referred to as multifilament yarn or simply multifilament).
  • the raw material of the fiber may be a resin, cotton yarn, wool yarn, raw yarn or the like.
  • the protective member 20 is easily stretched because the yarn 22 is knitted.
  • the protective member 20 formed in a cylindrical shape is easily spread in the radial direction, and thus the electric wire 12 is easily inserted into the protective member 20.
  • the yarn 22 is knitted in a spiral shape, it is not necessary to fasten a pair of edges that are abutted compared to a case where a flat knitted fabric is formed into a cylindrical shape. In addition, directionality is unlikely to occur in the extending direction.
  • the protective member 20 has been described as being formed by knitting the yarn 22 in a spiral shape, but this is not essential.
  • the protective member 20 ⁇ / b> A may be formed in a tubular shape by rounding a knitted fabric 28 knitted in a planar shape (in the example shown in FIG. 2, a rectangular sheet shape).
  • a knitted fabric 28 knitted in a planar shape (in the example shown in FIG. 2, a rectangular sheet shape).
  • the schematic path of the yarn 22 is indicated by a two-dot chain line in the other part.
  • the knitted fabric 28 is knitted with a weft knitting.
  • the yarn 22 is knitted in a reciprocating manner while changing the step between the pair of edge portions 28a.
  • the knitted fabric 28B may be knitted by warp knitting like the protective member 20B shown in FIG.
  • the pair of edge portions 28a with which the flat knitted fabric 28 is abutted are fastened by being knitted or sewn with another thread 22, for example.
  • the pair of edge portions 28a are heat-welded and fastened.
  • the protective member 20 is described as being composed of one thread 22, but this is not essential.
  • the protective member 20C may be knitted with a plurality of types of yarns 22C.
  • the yarn 22 ⁇ / b> C constituting the protection member 20 ⁇ / b> C includes a first yarn 23 and a second yarn 24 that is thicker than the first yarn 23.
  • all the yarns 22 ⁇ / b> C are knitted while forming the loops 30. That is, the first yarn 23 and the second yarn 24 are knitted together while forming the loop 30.
  • the first yarns 23 and the second yarns 24 are alternately arranged for each step. It is not limited to one.
  • the yarns 23 and 24 having different thicknesses, it becomes easy to approach the performance targeted for both the protection performance and the silencing performance.
  • the thin thread 23 contributes to the improvement of the silencing performance
  • the thick thread 24 contributes to the improvement of the protection performance.
  • the protective member 20 ⁇ / b> C has been described as being formed of a plurality of types of yarns 22 ⁇ / b> C, and all the yarns 22 ⁇ / b> C form a loop 30, but this is not essential.
  • some yarns may not form the loop 30.
  • the yarn 22 ⁇ / b> D constituting the protection member 20 ⁇ / b> D includes a sub-yarn 25 extending spirally without forming the loop 30, and a spiral knitting while forming the loop 30 and winding the sub-yarn 25. And the ground yarn 26 laid.
  • the amount of restriction of the expansion / contraction performance can be changed depending on the type of the sub-yarn 25 and how to pass it. For example, by using a thread that can be expanded and contracted in the extending direction, such as a rubber thread, as the sub thread 25, the amount of regulation of the expansion and contraction performance can be changed. Further, for example, the amount of regulation of the expansion / contraction performance can be changed by changing the yarn length by knitting while bypassing the sub yarn 25.
  • the expansion / contraction performance can be regulated by the presence of the sub-thread 25. Thereby, for example, it can be prevented that the diameter of the protective member 20D is excessively widened and cannot be restored.
  • the protective member 20 has been described as being composed of a single fiber, but this is not essential.
  • the protection member may be composed of a plurality of types of fibers.
  • the fiber includes a first fiber and a second fiber having a melting point lower than that of the first fiber.
  • the first fiber and the second fiber may coexist in one yarn, or may exist separately in different yarns.
  • there are two types of yarns a monofilament yarn made of the first fiber and a monofilament yarn made of the second fiber. It is conceivable to contain yarn.
  • the second fiber is temporarily melted and then solidified.
  • the melting point of the second fiber is preferably less than the melting point of the wire coating.
  • the melting point of the first fiber may be less than the melting point of the wire coating.
  • the sub yarn 25 may be a thick yarn and the ground yarn 26 may be a thin yarn.

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

Abstract

Le but de la présente invention est d'élaborer une technique qui facilite l'insertion d'un fil électrique à travers un élément cylindrique. Un élément de protection selon l'invention est ajusté autour du fil électrique. L'élément de protection est formé cylindrique par tricotage de fils. Par exemple, l'élément de protection est formé par tricotage en spirale des fils. Dans ce cas, on considère que les fils comprennent un sous-fil qui s'étend en spirale sans former une boucle, et un fil de support qui est tricoté en spirale par formation d'une boucle et enroulement du sous-fil. En variante, on considère que les fils sont tous tricotés par formation de boucles.
PCT/JP2017/017992 2016-05-26 2017-05-12 Élément de protection et fil électrique à élément de protection WO2017204003A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016104999A JP2017212819A (ja) 2016-05-26 2016-05-26 保護部材及び保護部材付電線
JP2016-104999 2016-05-26

Publications (1)

Publication Number Publication Date
WO2017204003A1 true WO2017204003A1 (fr) 2017-11-30

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Application Number Title Priority Date Filing Date
PCT/JP2017/017992 WO2017204003A1 (fr) 2016-05-26 2017-05-12 Élément de protection et fil électrique à élément de protection

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JP (1) JP2017212819A (fr)
WO (1) WO2017204003A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6953124B2 (ja) * 2016-10-25 2021-10-27 株式会社ニッセイ エコ ワイヤーハーネス用スリ−ブ

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03120624U (fr) * 1990-03-26 1991-12-11
JPH0421119U (fr) * 1990-06-11 1992-02-21
JP2016091689A (ja) * 2014-10-31 2016-05-23 株式会社 加島 保護スリーブ及びその製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03120624U (fr) * 1990-03-26 1991-12-11
JPH0421119U (fr) * 1990-06-11 1992-02-21
JP2016091689A (ja) * 2014-10-31 2016-05-23 株式会社 加島 保護スリーブ及びその製造方法

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