WO2013031259A1 - Tube ondulé, procédé d'assemblage d'un tube ondulé et structure de protection de faisceau de câbles - Google Patents

Tube ondulé, procédé d'assemblage d'un tube ondulé et structure de protection de faisceau de câbles Download PDF

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Publication number
WO2013031259A1
WO2013031259A1 PCT/JP2012/054205 JP2012054205W WO2013031259A1 WO 2013031259 A1 WO2013031259 A1 WO 2013031259A1 JP 2012054205 W JP2012054205 W JP 2012054205W WO 2013031259 A1 WO2013031259 A1 WO 2013031259A1
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WO
WIPO (PCT)
Prior art keywords
corrugated tube
shape
main body
wire harness
tube main
Prior art date
Application number
PCT/JP2012/054205
Other languages
English (en)
Japanese (ja)
Inventor
奥原　崇
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
Publication of WO2013031259A1 publication Critical patent/WO2013031259A1/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
    • 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
    • H02G3/0468—Corrugated

Definitions

  • the present invention relates to a corrugated tube and a wire harness protection structure, and more particularly to a technique for keeping the shape constant.
  • Patent Documents 1 to 4 a technique of covering a wire harness laid on a vehicle or the like with a corrugated tube having good flexibility is known.
  • FIG. 3 is a perspective view schematically showing a conventional corrugated tube 20.
  • the corrugated tube 20 has an accordion tubular shape in which annular convex portions 21 and annular concave portions 22 are alternately formed along the longitudinal direction, and a wire harness WH is disposed therein.
  • the corrugated tube itself is excellent in flexibility, the corrugated tube itself does not have a function of maintaining a constant path of the wire harness disposed therein. For this reason, it is necessary to maintain the path
  • the number of fixing portions of the clamp member is increased, there is a problem in that there is a risk of increasing the component cost and the mounting cost.
  • the path can be maintained constant while protecting the wire harness.
  • the present invention has been made to solve the above problems, and an object thereof is to obtain a corrugated tube, a corrugated tube assembly method, and a wire harness protection structure that can be fixed relatively easily in a desired shape.
  • a corrugated tube having a bellows-shaped corrugated tube body portion in which annular convex portions and annular concave portions are alternately and continuously formed along a longitudinal direction, and the annular convex portion of the corrugated tube main body portion. And a shape fixing part that covers the surface of the annular recess and fixes the shape of the corrugated tube main body part.
  • the corrugated tube of Claim 1 Comprising:
  • fixed part is formed with the same material as the said corrugated tube main-body part.
  • a corrugated tube assembling method comprising: (a) a bellows-shaped corrugated tube body portion in which annular convex portions and annular concave portions are alternately and continuously formed along a longitudinal direction in a vehicle; A step of temporarily setting in a desired shape, and (b) a step of forming a shape fixing portion covering the surface of the annular convex portion and the annular concave portion of the corrugated tube main body portion while maintaining the desired shape.
  • the corrugated tube main body is fixedly held in the desired shape after the execution of the step (b).
  • the invention of claim 4 is the corrugated tube assembling method of claim 3, wherein the shape fixing portion is formed of the same material as the corrugated tube main body portion.
  • a wire harness protection structure includes the corrugated tube according to the first or second aspect, a wire harness having at least one electric wire, and being inserted into the corrugated tube; Is provided.
  • the corrugated tube of the present invention according to claim 1 (and claim 2) is completed by forming the shape fixing portion after the corrugated tube main body portion is deformed in a desired shape in a state before the shape fixing portion is formed.
  • a corrugated tube fixed in a desired shape can be realized by utilizing a corrugated tube main body equivalent to an existing corrugated tube.
  • the corrugated tube of the present invention is used to protect the wire harness, it is possible to obtain a corrugated tube fixed in a shape conforming to various wire harness path regulations at a relatively low cost.
  • the corrugated tube main body is temporarily set in a desired shape in the state before the shape fixing portion is formed in step (a). Since the corrugated tube main body has the property of being easily bent and deformed, it can be temporarily set to a desired shape relatively easily.
  • the corrugated tube main body portion in step (b) covers the surface of the annular convex portion and the annular concave portion to form a shape fixing portion.
  • the tube main body can be fixed and held in the desired shape.
  • corrugated tube assembly method of the present invention when the corrugated tube is used to protect the wire harness, it is possible to assemble a corrugated tube that can be fixed in shape relatively inexpensively according to the path regulation of the wire harness.
  • the wire harness protection structure of the present invention is the shape fixing after the corrugated tube main body is deformed in a desired shape in a state before the shape fixing portion is formed in a state in which the wire harness is disposed inside.
  • a corrugated tube main body equivalent to an existing corrugated tube can be utilized to realize a wire harness protection structure fixed in a desired shape.
  • FIG. 1 shows a case where the axis L1 of the corrugated tube 1 is a straight line, and FIG. The case of a curve is shown.
  • a wire harness WH is disposed in the corrugated tube 1, and the corrugated tube 1 and the wire harness WH constitute a wire harness protection structure.
  • the wire harness WH and a plurality of electric wires are bundled. More specifically, the wire harness WH has a configuration in which a plurality of electric wires are bundled while being branched according to a wiring form to a vehicle to be disposed.
  • the wire harness WH does not necessarily have to be branched, and may be configured by a single electric wire. Further, another optical cable or the like may be bound to the wire harness WH.
  • the corrugated tube main body portion is constituted by the annular convex portion 21 and the annular concave portion 22 whose outer peripheral surfaces are annular.
  • the corrugated tube main body portion has a bellows-like shape in which annular convex portions 21 and annular concave portions 22 are alternately formed continuously along the longitudinal direction (the direction defined by the axis L1 or the axis L2).
  • a shape fixing resin 23 that is a shape fixing portion is formed so as to cover the surfaces of the annular convex portion 21 and the annular concave portion 22.
  • the film thickness of the shape fixing resin 23 is formed with a substantially uniform film thickness structure reflecting the irregularities due to the annular protrusions 21 and the annular recesses 22. It is sufficient if the three-dimensional shape can be fixed. Further, as long as the three-dimensional shape of the corrugated tube 1 can be fixed, a structure in which the shape fixing resin 23 is selectively formed on part of the surfaces of the annular convex portion 21 and the annular concave portion 22 may be used.
  • the assembly method (manufacturing method) of the corrugated tube 1 according to the present embodiment includes the following steps (a) and (b).
  • step (a) the corrugated tube body composed of the annular convex portion 21 and the annular concave portion 22 in the stage before the shape fixing resin 23 is formed is temporarily set in a desired three-dimensional shape in the vehicle.
  • the corrugated tube main body portion before the shape fixing resin 23 is formed is easily elastically deformed at the stepped portion between the annular convex portion 21 and the annular concave portion 22 as in the conventional corrugated tube, the corrugated tube The main body has the property of being easily bent and deformed. For this reason, the shape (desired shape) suitable for the path regulation for laying the required wire harness WH can be temporarily set in the vehicle.
  • step (b) the shape fixing resin 23 is formed so as to cover the surfaces of the annular convex portion 21 and the annular concave portion 22 of the corrugated tube main body portion while maintaining the desired shape.
  • a resin sheet is laminated on the surfaces of the annular convex portion 21 and the annular concave portion 22 by using a vacuum molding technique to obtain the shape fixing resin 23, or a molding technique is used.
  • a method of forming the shape fixing resin 23 on the surfaces of the annular convex portion 21 and the annular concave portion 22 can be considered.
  • the shape fixing resin 23 for example, ABS resin, PP resin, and the like are conceivable.
  • forming the shape fixing resin 23 with the same material as that of the corrugated tube main body has a characteristic that the shape fixing resin 23 is less likely to be peeled off from the corrugated tube main body. This is desirable because it is possible. Also, from the viewpoint of manufacturing cost, it is desirable that the corrugated tube main body and the shape fixing resin 23 are formed of the same material.
  • the corrugated tube 1 of the present embodiment has a shape after deforming the corrugated tube main body portion (the annular convex portion 21 and the annular concave portion 22) into a desired shape in a state before the formation of the shape fixing resin 23 which is a shape fixing portion.
  • the corrugated tube 1 of the present embodiment fixed in a desired shape is realized by utilizing the corrugated tube main body equivalent to the existing corrugated tube. can do.
  • the corrugated tube of the present embodiment is used to protect the wire harness, a corrugated tube fixed in a shape that conforms to various wire harness path regulations can be obtained relatively inexpensively.
  • the corrugated tube main body is temporarily set in a desired shape in the state before the shape fixing resin 23 is formed in step (a). Since the corrugated tube main body has the property of being easily bent and deformed, it can be temporarily set to a desired shape relatively easily.
  • step (b) executes step (b) by forming the shape fixing resin 23 so as to cover the surfaces of the annular convex portion 21 and the annular concave portion 22 of the corrugated tube main body portion in step (b). Thereafter, the corrugated tube main body included in the corrugated tube 1 can be fixed and held in the desired shape.
  • corrugated tube main body equivalent to an existing corrugated tube that is relatively inexpensive is utilized to finally realize a corrugated tube (corrugated tube main body + shape fixing resin 23) fixed in a desired shape. be able to.
  • the corrugated tube 1 having a three-dimensional shape according to various wire harness path restrictions can be relatively easily obtained. There is an effect that can be assembled.
  • the wire harness protection structure body which consists of the corrugated tube 1 of this Embodiment 1 and the wire harness WH arrange
  • the wire harness protection structure is formed with the shape fixing resin 23. It can be obtained by completing the corrugated tube 1. That is, a wire harness protection structure (corrugated tube 1 + wire harness WH) fixed in a desired shape can be realized by utilizing a corrugated tube main body equivalent to an existing corrugated tube.

Abstract

La présente invention a pour objectif de fournir un tube ondulé relativement facile à fixer dans une forme souhaitée, ainsi qu'une structure de protection de faisceau de câbles. Selon la présente invention, une résine de fixation de forme (23) est formée en tant que section de fixation de forme qui couvre les surfaces d'une partie convexe annulaire (21) et d'une partie concave annulaire (22) constituant le corps de tube ondulé d'un tube ondulé (1). La résine de fixation de forme (23) est formée sensiblement sur toute la surface de la partie convexe annulaire (21) et de la partie concave annulaire (22), ce qui permet de fixer une forme tridimensionnelle. En outre, un faisceau de câbles (WH) est agencé dans le tube ondulé (1), et une structure de protection de faisceau de câbles est constituée par le tube ondulé (1) et le faisceau de câbles (WH).
PCT/JP2012/054205 2011-09-02 2012-02-22 Tube ondulé, procédé d'assemblage d'un tube ondulé et structure de protection de faisceau de câbles WO2013031259A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011191214A JP2013055754A (ja) 2011-09-02 2011-09-02 コルゲートチューブ、コルゲートチューブの組立方法及びワイヤーハーネス保護構造体
JP2011-191214 2011-09-02

Publications (1)

Publication Number Publication Date
WO2013031259A1 true WO2013031259A1 (fr) 2013-03-07

Family

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Application Number Title Priority Date Filing Date
PCT/JP2012/054205 WO2013031259A1 (fr) 2011-09-02 2012-02-22 Tube ondulé, procédé d'assemblage d'un tube ondulé et structure de protection de faisceau de câbles

Country Status (2)

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JP (1) JP2013055754A (fr)
WO (1) WO2013031259A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104183340B (zh) * 2014-09-05 2017-01-25 江苏威尔曼科技有限公司 一种波纹电线

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08249931A (ja) * 1995-03-13 1996-09-27 Fukui Sangyo Kk 立体型ワイヤハーネス及びその製造方法と製造装置
JP2010125944A (ja) * 2008-11-26 2010-06-10 Yazaki Corp ワイヤハーネス固定構造

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6018088B2 (ja) * 1977-06-13 1985-05-08 小島プレス工業株式会社 成形ワイヤ−ハ−ネスの製造方法
JPH0679454B2 (ja) * 1985-02-12 1994-10-05 矢崎総業株式会社 ワイヤハ−ネスの成型方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08249931A (ja) * 1995-03-13 1996-09-27 Fukui Sangyo Kk 立体型ワイヤハーネス及びその製造方法と製造装置
JP2010125944A (ja) * 2008-11-26 2010-06-10 Yazaki Corp ワイヤハーネス固定構造

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