WO2013132570A1 - Procédé de production d'une structure de protection de fils électriques et structure de protection de fils électriques - Google Patents

Procédé de production d'une structure de protection de fils électriques et structure de protection de fils électriques Download PDF

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Publication number
WO2013132570A1
WO2013132570A1 PCT/JP2012/055508 JP2012055508W WO2013132570A1 WO 2013132570 A1 WO2013132570 A1 WO 2013132570A1 JP 2012055508 W JP2012055508 W JP 2012055508W WO 2013132570 A1 WO2013132570 A1 WO 2013132570A1
Authority
WO
WIPO (PCT)
Prior art keywords
wire bundle
electric wire
sheet
protection structure
thermoplastic material
Prior art date
Application number
PCT/JP2012/055508
Other languages
English (en)
Japanese (ja)
Inventor
伸一 五十嵐
伸昌 瀧原
白藤　幸裕
聡 谷川
正道 山際
敦 村田
理 佐藤
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 PCT/JP2012/055508 priority Critical patent/WO2013132570A1/fr
Publication of WO2013132570A1 publication Critical patent/WO2013132570A1/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

  • This invention relates to a technique for protecting a wire bundle.
  • Patent Document 1 discloses a technique for protecting a wire bundle. More specifically, in Patent Document 1, a flat circuit body is sandwiched between two covering bodies made of a thermoplastic material, press-molded, the covering body is brought into close contact with the flat circuit body, and the covering bodies are welded together. Forming a wire harness.
  • an object of the present invention is to suppress variations in the form of the thermoplastic material covering the wire bundle.
  • the manufacturing method of the electric wire protection structure part which concerns on a 1st aspect is a manufacturing method of the electric wire protection structure part by which the electric wire bundle is protected, Comprising: (a) Winding a sheet-like thermoplastic material around the said electric wire bundle The step of covering the wire bundle, and (b) the sheet-like thermoplastic material with respect to the outer periphery of the wire bundle or the outer periphery of the sheet-like thermoplastic material already wound around the wire bundle. The sheet-like shape held in the form wound around the wire bundle in the step (a), and (c) the sheet-like shape held around the wire bundle in the step (b). Forming a thermoplastic material by heating and compression.
  • the manufacturing method of the electric wire protection structure part according to the second aspect is the manufacturing method of the electric wire protection structure part according to the first aspect, and is attached in advance to the sheet-like thermoplastic material in the step (b).
  • the sheet-like thermoplastic material is bonded with the adhesive material, and is held in the state wound around the wire bundle in the step (a).
  • the manufacturing method of the electric wire protection structure part which concerns on a 3rd aspect is a manufacturing method of the electric wire protection structure part which concerns on a 1st or 2nd aspect, Comprising: In the said process (a), the said sheet-like thermoplastic material is used. The at least two layers are wound around the wire bundle to cover the wire bundle.
  • a method for manufacturing an electric wire protection structure according to a fourth aspect is the method for manufacturing an electric wire protection structure according to any one of the first to third aspects, wherein in the step (a), the sheet shape A strip-shaped material is used as the thermoplastic material.
  • the manufacturing method of the electric wire protection structure part according to the fifth aspect is the manufacturing method of the electric wire protection structure part according to the fourth aspect, and in the step (a), the strip-shaped thermoplastic material is The wire bundle is covered by wrapping around the wire bundle while overlapping half of the width dimension.
  • a method for manufacturing an electric wire protection structure according to a sixth aspect is the method for manufacturing an electric wire protection structure according to any one of the first to third aspects, wherein in the step (a), the sheet shape A rectangular material is used as the thermoplastic material.
  • the electric wire protection structure according to the seventh aspect is an electric wire protection structure in which the electric wire bundle is protected, and a sheet-like thermoplastic material is wound around the outer peripheral portion of the electric wire bundle or the electric wire bundle.
  • a protective part that is molded by being heated and compressed in a state of being held in a form wound around the wire bundle in advance by being adhered to the outer peripheral part of the sheet-like thermoplastic material.
  • the wire bundle is covered.
  • the sheet-like thermoplastic material is applied to the outer peripheral part of the electric wire bundle or the outer peripheral part of the sheet-like thermoplastic material already wound around the electric wire bundle.
  • the thermoplastic material is held in a form wound around an electric wire bundle, and then the thermoplastic material is heated and compressed to be molded. For this reason, the relative movement of the thermoplastic material with respect to the wire bundle can be suppressed, and variations in the form of the thermoplastic material covering the wire bundle can be suppressed.
  • the adhesive material previously attached to the sheet-like thermoplastic material is used to hold the sheet-like thermoplastic material in a form wound around the electric wire bundle.
  • Step (a) and step (b) can be smoothly performed in a series of flows, and work efficiency can be improved.
  • the protection performance can be improved.
  • the belt-like sheet-like thermoplastic material because the belt-like sheet-like thermoplastic material is used, it can be wound flexibly corresponding to the shape of the electric wire bundle even at a bent portion, etc.
  • the wire bundle can be covered more reliably.
  • the belt-shaped thermoplastic material is wound around the electric wire bundle while being overlapped by half of the width dimension, so that it is efficiently doubled with respect to the protection target portion of the electric wire bundle. It can wind, can improve protection performance and can reduce the amount of thermoplastic material used.
  • the rectangular sheet-like thermoplastic material is used, it is possible to more easily cover the protection target portion in a wide range.
  • the sheet-like thermoplastic material is bonded to the outer peripheral portion of the electric wire bundle or the outer peripheral portion of the sheet-like thermoplastic material already wound around the electric wire bundle.
  • a protective portion that is heated and compressed and covers the outer periphery of the wire bundle is formed in a state in which the wire bundle is previously wound around the wire bundle. For this reason, the relative movement of the thermoplastic material with respect to the wire bundle can be suppressed, and variations in the form of the thermoplastic material covering the wire bundle can be suppressed.
  • This electric wire protection structure part is the structure which covered the electric wire bundle with the thermoplastic resin so that a protection and a form may be maintained.
  • the wire bundle is assumed to constitute a wire harness that is routed to a vehicle or the like.
  • This electric wire bundle is configured such that a plurality of electric wires are stacked so as to be adjacent to each other in the radial direction (a plurality of directions), and are bundled into a substantially circular shape, a substantially rectangular shape, or the like in cross section.
  • the wire protection structure 10 has a configuration in which the protection 22 covers the outer periphery of the wire bundle W (see FIG. 3).
  • the protection portion 22 is molded by being heated and pressurized (that is, hot pressed) in a state where the thermoplastic material covers the portion to be protected in the wire bundle W.
  • the portion to be protected of the wire bundle W is a portion within a range including a portion of the wire bundle W that is desired to be protected from contact with the outside in the extending direction or a portion that is desired to be maintained in a form corresponding to the routing route. Say it.
  • hot pressing means that a thermoplastic material to be processed is sandwiched between molds, and the thermoplastic material is molded by applying pressure while the mold is heated. More specifically, it may be performed using a pair of molds having a mold surface for molding the protection part 22 corresponding to the shape of the protection target portion of the wire bundle W. That is, by placing a thermoplastic material covering the wire bundle W on one mold and heating the pair of molds while moving the other mold relatively close to the one mold, Mold plastic material. Thereby, the electric wire protection structure part 10 which covered the electric wire bundle W with the protection part 22 of the state in which the thermoplastic material became hard is obtained.
  • the mold is not limited to a pair of molds, and may be formed of three or more divided molds.
  • thermoplastic material is a material that is partially or wholly melted or softened by heating and is solidified by cooling. And this thermoplastic material can maintain the shape
  • nonwoven material 20 is used as the thermoplastic material.
  • the nonwoven material 20 a material that can be partially or wholly melted or softened through a heating process and then hardened through a cooling process can be used.
  • a material containing basic fibers and an adhesive resin also called a binder
  • the adhesive resin is a resin having a melting point lower than the melting point of the basic fiber. Then, by heating the nonwoven material 20 to a temperature lower than the melting point of the basic fiber and higher than the melting point of the adhesive resin, the adhesive resin is melted and soaks between the basic fibers. Thereafter, when the temperature of the nonwoven material 20 decreases, the adhesive resin solidifies. Thereby, the nonwoven material 20 can be maintained in the molding state during heating.
  • a non-woven material 20 also called a non-woven fabric formed in a sheet shape is used (see FIG. 1).
  • the adhesive resin may be a thermoplastic resin fiber having a melting point lower than that of the basic fiber.
  • a resin fiber of PET polyethylene terephthalate
  • PEI polyethylene isophthalate
  • the wire protection structure 10 will be described following the manufacturing process.
  • an example of protecting a portion arranged in a straight line in the wire bundle W is shown, but the wire protection structure can be configured in the same manner for a portion arranged in a curved shape. .
  • the sheet-like nonwoven material 20 is wound around the wire bundle W to cover the entire protection target portion of the wire bundle W (step (a)).
  • the sheet-like nonwoven material 20 is wound around the outer periphery of the wire bundle W so as to overlap at least twice.
  • the thickness (number of overlaps) of the non-woven material 20 on the outer peripheral portion of the wire bundle W is determined experimentally or empirically in consideration of the specification of the vehicle in which the wire bundle W is incorporated, the routing location, and the like. Good.
  • the nonwoven material 20 is preferably wound so as to have the same thickness in the entire circumferential direction of the wire bundle W.
  • a strip-shaped non-woven material 20 is used. And the said strip
  • the non-woven material 20 is wound around the wire bundle W while shifting by half the width dimension in the extending direction of the wire bundle W.
  • the width of the non-woven material 20 may be determined empirically or experimentally in consideration of the shape of the protection target portion of the wire bundle W. For example, when the portion to be protected is a straight line, the width dimension may be increased in order to improve work efficiency, and when it is a curved line, the width dimension may be decreased so as to flexibly cope with the shape. Further, the longitudinal dimension of the nonwoven material 20 may be determined empirically or experimentally in consideration of the size (outer shape) of the wire bundle W, the range of the portion to be protected, the number of overlaps, and the like.
  • an adhesive material 40 is attached in advance to the back surfaces of both ends (the surfaces located inside when wound).
  • the nonwoven material 20 may be wound with one end bonded to the outer periphery of the wire bundle W (see FIG. 1).
  • a double-sided pressure-sensitive adhesive tape is employed as the adhesive material 40 and is attached in advance to the back surfaces of both ends of the nonwoven material 20.
  • the electric wire bundle W is a tubular nonwoven material 20. (See FIG. 2).
  • the sheet-like non-woven material 20 is bonded to the outer peripheral surface of the wire bundle W or the outer peripheral portion of the non-woven material 20 that is already wound around the wire bundle W, whereby the electric wire in step (a).
  • the shape wound around the bundle W is held (see step (b), FIG. 2).
  • the double-sided pressure-sensitive adhesive tape as the adhesive material 40 is attached to the other end of the strip-shaped nonwoven material 20.
  • the form of the nonwoven material 20 is hold
  • the adhesive material 40 may be an adhesive tape having an adhesive portion on one side, an adhesive, or the like, and is not limited to being attached in advance, and may be attached at any time during the winding operation.
  • the adhesive material 40 is not limited to being attached to both ends of the nonwoven material 20, and may be attached to a plurality of other portions in the longitudinal direction or the entire back surface.
  • attaching with the adhesive material 40 The nonwoven material 20 may be heated, adhesive resin may be fuse
  • the sheet-like nonwoven material 20 held in the form wound around the wire bundle W in the step (b) is hot-pressed and formed (step (c)).
  • the hot press time, pressure, and the like may be determined experimentally or empirically so that the wire bundle W has hardness according to the specification of the vehicle to which the wire bundle W is routed, the route location, and the like.
  • the adhesive resin soaked in the base fiber is solidified to maintain the form after molding, and the protective part 22 covering the wire bundle W is formed (FIG. 3).
  • the electric wire protection structure 10 can be manufactured through the above steps. And in this electric wire protection structure part 10, the nonwoven material 20 is hard in the state which shifted
  • the branch portion of the wire bundle W can be protected.
  • the non-woven material 20 may be hooked around the crotch portion of each branch line so as to cover the outer periphery of the branch portion, wound and held with an adhesive material, and hot pressed in the held state.
  • the configuration has been described in which the nonwoven material 20 is wound so as to overlap at least twice on the outer periphery of the wire bundle W. However, it is sufficient that the nonwoven material 20 can be wound and covered so as not to expose the portion to be protected. .
  • the nonwoven material 20 is held in a form wound around the wire bundle W, and then the nonwoven material 20 is heated and compressed to be molded. For this reason, the relative movement of the nonwoven material 20 with respect to the wire bundle W can be suppressed, and variations in the form of the nonwoven material 20 covering the wire bundle W can be suppressed.
  • the non-woven material 20 may be wound around the wire bundle W before hot pressing.
  • the electric wire bundle W can be positioned at a position closer to the center with respect to the non-woven material 20 and in the inner and outer directions. Relative movement can be suppressed. As a result, the heat and pressure applied to the wire bundle W during hot pressing become more uniform, and variations in the wire bundle W can be suppressed.
  • the wire bundle W in the protection portion 22 can be reduced. The bias can be suppressed. Thereby, variation in thickness and hardness of the protection part 22 in the circumferential direction can be suppressed, and the same level of protection performance can be obtained at any position, and the protection performance can be improved as a whole.
  • a process (a) and a process (b) are series. It is possible to carry out smoothly in accordance with the flow of work and improve the working efficiency.
  • the protection performance can be improved.
  • the nonwoven material 20 is wound so that it may become substantially uniform thickness in the whole circumferential direction on the outer periphery of the electric wire bundle W, in the electric wire protection structure part 10 manufactured, the electric wire bundle W is the protective part 22.
  • the protective performance can be improved by being located at the approximate center of the.
  • the wire bundle W can be wound flexibly corresponding to the shape of the wire bundle W even at a bent portion or the like, and the wire bundle W can be covered more reliably. Moreover, even when the range of the protection target portion of the wire bundle W is changed, the range covered with the non-woven material 20 can be easily changed by changing the overlap amount (that is, the shift amount).
  • the non-woven material 20 is wound around the wire bundle W while being overlapped by half of the width dimension, it can be efficiently wound around the portion to be protected of the wire bundle W, improving the protection performance and reducing the non-woven material.
  • the amount of the woven material 20 used can be reduced.
  • the wire protection structure 110 is hot-pressed in a state in which a substantially rectangular sheet-like nonwoven material 120 is wound around the wire bundle W in advance and is held in a form covering the wire bundle W.
  • the wire bundle W is covered and formed by the molded protective portion 122 (see FIG. 6).
  • a double-sided adhesive tape as an adhesive material 140 is attached to the back surface of the substantially rectangular sheet-like nonwoven material 120 along both ends (see FIG. 4). Moreover, the width dimension (dimension of the direction along the extension direction of the wire bundle W) of the nonwoven material 120 is set larger than the protection object part.
  • a substantially rectangular sheet-like nonwoven material 120 is wound around the wire bundle W to cover the wire bundle W (step (a)). More specifically, the non-woven material 120 may be attached to the outer peripheral portion of the wire bundle W with one end thereof in a posture along the extending direction of the wire bundle W, and the winding operation may be performed.
  • the non-woven material 120 was wound around the wire bundle W by adhering the other end of the non-woven material 120 to the outer peripheral portion of the already wound portion with the adhesive material 140.
  • the shape is maintained (see step (b), FIG. 5).
  • the non-woven material 120 is wound so as to overlap evenly over the entire circumferential direction of the wire bundle W, as in the first embodiment, and in this embodiment, the winding starts in the circumferential direction. It is preferable that the position and the end position substantially coincide.
  • the nonwoven material 120 held in the form is hot-pressed and molded. Thereby, the overlapping parts of the nonwoven material 120 are bonded to each other by the melted adhesive resin, and the nonwoven material 120 is hardened to form the protective portion 122 (see FIG. 6).
  • the electric wire protection structure 110 can be manufactured through the above steps. And in this electric wire protection structure part 110, the other end part of the nonwoven material 120 is hard in the state which overlapped with the part wound previously in the form along the extension direction of the electric wire bundle W. For this reason, the linear trace T of the other end part of the nonwoven material 120 remains on the surface of the protection part 122. Further, in a cross-sectional view, a spiral trace T from the outer peripheral portion of the wire bundle W toward the outer peripheral surface of the protection portion 122 remains. In FIG. 6, the linear trace T is indicated by a two-dot chain line. In addition, an adhesive material 140 used to hold the nonwoven material 120 is also interposed in the protective portion 122.
  • the wire protection structure 110 since the rectangular sheet-like nonwoven material 120 is used, a wide range of protection target portions can be covered more easily.

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

Abstract

L'invention concerne un procédé de fabrication d'une structure de protection de fils électriques supprimant les irrégularités de forme d'un matériau thermoplastique recouvrant un faisceau de fils. Le procédé de production d'une structure de protection de fils électriques est prévu avec : (a) une étape pour recouvrir un faisceau de fils en enroulant un matériau non-tissé en forme de feuille autour du faisceau de fils ; (b) une étape pour maintenir la forme d'enroulement autour du faisceau de fils de l'étape (a) en faisant adhérer le matériau non-tissé en forme de feuille à la périphérie externe du faisceau de fils ou à la périphérie externe du matériau non tissé en forme de feuille déjà enroulé autour du faisceau de fils ; et (c) une étape consistant au chauffage et à la compression pour mouler le matériau non-tissé en forme de feuille maintenu dans l'état d'enroulement autour du faisceau de fils de l'étape (b).
PCT/JP2012/055508 2012-03-05 2012-03-05 Procédé de production d'une structure de protection de fils électriques et structure de protection de fils électriques WO2013132570A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2012/055508 WO2013132570A1 (fr) 2012-03-05 2012-03-05 Procédé de production d'une structure de protection de fils électriques et structure de protection de fils électriques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2012/055508 WO2013132570A1 (fr) 2012-03-05 2012-03-05 Procédé de production d'une structure de protection de fils électriques et structure de protection de fils électriques

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WO2013132570A1 true WO2013132570A1 (fr) 2013-09-12

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3499664A1 (fr) * 2017-12-14 2019-06-19 tesa SE Harnais de câbles rigide avec un manchon durcissable et methode de formation de ce harnais de câbles
US11466177B2 (en) 2019-02-08 2022-10-11 Tesa Se Moisture-curable adhesive tape and method for jacketing elongated items, especially leads
US11680189B2 (en) 2019-02-08 2023-06-20 Tesa Se Thermally softenable adhesive tape and method for jacketing elongated items, especially leads
US11965121B2 (en) 2019-02-08 2024-04-23 Tesa Se UV-curable adhesive tape and method for jacketing elongated items, especially leads

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011223743A (ja) * 2010-04-09 2011-11-04 Sumitomo Wiring Syst Ltd 電線保護具
JP2012039782A (ja) * 2010-08-09 2012-02-23 Auto Network Gijutsu Kenkyusho:Kk 電線保護構造部及び電線保護構造部の製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011223743A (ja) * 2010-04-09 2011-11-04 Sumitomo Wiring Syst Ltd 電線保護具
JP2012039782A (ja) * 2010-08-09 2012-02-23 Auto Network Gijutsu Kenkyusho:Kk 電線保護構造部及び電線保護構造部の製造方法

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3499664A1 (fr) * 2017-12-14 2019-06-19 tesa SE Harnais de câbles rigide avec un manchon durcissable et methode de formation de ce harnais de câbles
CN109994288A (zh) * 2017-12-14 2019-07-09 德莎欧洲股份公司 用可固化护套形成刚性铠装线缆
US11081261B2 (en) 2017-12-14 2021-08-03 Tesa Se Forming a rigid cable harness with a curable sleeve
EP4397545A3 (fr) * 2017-12-14 2024-09-25 Tesa Se Formation d'un faisceau de câbles rigide avec un manchon durcissable
US11466177B2 (en) 2019-02-08 2022-10-11 Tesa Se Moisture-curable adhesive tape and method for jacketing elongated items, especially leads
US11680189B2 (en) 2019-02-08 2023-06-20 Tesa Se Thermally softenable adhesive tape and method for jacketing elongated items, especially leads
US11965121B2 (en) 2019-02-08 2024-04-23 Tesa Se UV-curable adhesive tape and method for jacketing elongated items, especially leads

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