WO2012140802A1 - Structure de protection de câble à de l'extrémité d'un tuyau protecteur - Google Patents

Structure de protection de câble à de l'extrémité d'un tuyau protecteur Download PDF

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Publication number
WO2012140802A1
WO2012140802A1 PCT/JP2011/075579 JP2011075579W WO2012140802A1 WO 2012140802 A1 WO2012140802 A1 WO 2012140802A1 JP 2011075579 W JP2011075579 W JP 2011075579W WO 2012140802 A1 WO2012140802 A1 WO 2012140802A1
Authority
WO
WIPO (PCT)
Prior art keywords
shield pipe
electric wire
pipe
resin material
wires
Prior art date
Application number
PCT/JP2011/075579
Other languages
English (en)
Japanese (ja)
Inventor
萩真博
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 WO2012140802A1 publication Critical patent/WO2012140802A1/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

  • the present invention relates to a wire protection structure for a shield pipe end, and more particularly, to prevent an electric wire inserted through a shield pipe and drawn from the end from coming into contact with the edge of the end of the shield pipe.
  • Patent Document 1 Japanese Patent Laid-Open No. 2006-311699
  • a plurality of electric wires 100 are inserted through a metal shield pipe 101 as shown in FIG.
  • the electric wire 100 is inserted through the flexible shield member 102 made of a metal braided wire connected to the end of the shield pipe 101.
  • a rubber grommet 103 is externally attached to the flexible shield member 102 for the purpose of waterproofing and electric wire protection.
  • a gap A is formed around the plurality of electric wires 100 inserted into the cylindrical shield pipe 101, and the electric wires 100 in the shield pipe 101 interfere with each other due to vibration of the vehicle body and the like in the pipe radial direction.
  • the plurality of wires 100 inserted into the shield pipe 101 may be inclined in the pipe radial direction depending on the wiring direction of the drawn wire 100, etc. There is a possibility that the electric wire 100 may be abutted and damaged.
  • This invention makes it a subject to prevent that the some electric wire penetrated by a shield pipe contacts the terminal edge of this shield pipe, and is damaged.
  • the present invention is a wire harness composed of a plurality of electric wires arranged in a hybrid vehicle or an electric vehicle is inserted into a shield pipe,
  • the plurality of electric wires inserted through the shield pipe are molded with a resin material or a rubber material interposed between an outer peripheral surface of the electric wire and a terminal edge of the shield pipe.
  • An electric wire protection structure for a pipe end is provided.
  • the electric wire drawn out from the shield pipe is molded by a plurality of electric wires inserted into the shield pipe and interposed between the outer peripheral surface of the electric wire and the end edge of the shield pipe. It is prevented that the terminal end of the shield pipe contacts and is damaged.
  • the resin material or the rubber material is firmly fixed to the electric wire by molding, the resin material or the rubber material can be protected from the terminal edge without being displaced on the electric wire even after the wiring harness is routed. It is possible to prevent contact between the electric wire and the end edge of the shield pipe by staying at a necessary portion.
  • the electric wire can be easily protected from the end edge of the shield pipe simply by inserting the electric wire previously molded with a resin material or rubber material into the shield pipe, there is an advantage that the workability of assembling the wire harness is not deteriorated. Yes.
  • a partition wall that partitions the plurality of electric wires to be inserted one by one protrudes continuously in the pipe axial direction on the inner surface of the peripheral wall of the shield pipe, and the number corresponds to the number of the electric wires to be inserted.
  • each partition wall is a shielded pipe with a partition provided with at least one bent portion continuous in the pipe axis direction,
  • the peripheral edge of the shield pipe and the end edges of the two adjacent partition walls and the electric wire It is preferable that a resin material or a rubber material interposed between the outer peripheral surface and the outer peripheral surface is molded.
  • a plurality of partition walls corresponding to the number of electric wires to be inserted project radially from the inner surface of the peripheral wall of the shield pipe, and a plurality of the partition walls are provided by the partition walls.
  • each electric wire inserted into the electric wire insertion space contacts the peripheral wall of the shield pipe and the end edge of the partition wall. It is possible to effectively prevent contact and damage.
  • each partition wall can be easily bent in the radial direction. can do. Therefore, even when it is necessary to bend the shield pipe according to the shape of the wiring region, the shield pipe can be bent relatively easily.
  • two or more bent portions may be provided on each partition wall, it is preferable that one be provided on each partition wall for ease of processing.
  • the bending angle of the bent portion of the partition wall is preferably an obtuse angle.
  • each wire insertion space Preferably have congruent cross-sectional shapes.
  • a shield pipe with a partition as described above as a shield pipe through which a plurality of electric wires are inserted
  • a shield pipe having only a peripheral wall and not having the partition wall may be used.
  • the shield pipe is preferably formed from an aluminum-based metal, and may be formed from a stainless steel or an iron-based metal. Furthermore, it is good also as a 2 layer structure which coated resin on the outer peripheral surface of metal pipes.
  • the shield pipe can be easily formed by general metal extrusion.
  • the resin material or the rubber material is molded at a predetermined portion of the electric wire disposed close to a terminal edge of the shield pipe when the plurality of electric wires are inserted into the shield pipe and wired. Both ends of the resin material or rubber material molded in the wire in the wire length direction of the shield pipe sandwiching the end edge of the shield pipe when the plurality of wires are inserted through the shield pipe and wired. It is preferable to be arranged at the inner position and the outer position, respectively.
  • polyamide 6T PA6T
  • PA66 polyamide 66
  • EPDM ethylene-propylene-diene rubber
  • silicone rubber examples include silicone rubber. Is preferred.
  • a resin material or a rubber material molded into each electric wire is passed through each electric wire insertion space. If one end can be pulled out to the outside of the shield pipe, and the resin material or rubber material can prevent the contact between the peripheral wall of the shield pipe and the end edges of the two adjacent partition walls and each wire,
  • the shape and size of the resin material or rubber material to be molded are not particularly limited.
  • an annular resin material or rubber material that can be inserted into the electric wire insertion space may be molded on the outer peripheral surface of each electric wire, or a resin material or rubber material having substantially the same shape as the cross-sectional shape of the electric wire insertion space. You may make it mold-mold to the outer peripheral surface of each electric wire, and block
  • the resin material or the rubber material may be integrally molded on the outer peripheral surface of the plurality of electric wires.
  • a resin material or a rubber material molded on the plurality of electric wires is passed through the shield pipe and one end thereof is drawn out of the shield pipe.
  • the shape and size of the resin material or rubber material to be molded are not particularly limited as long as the resin material or rubber material can prevent contact between the electric wire and the end edge of the peripheral wall of the shield pipe.
  • a cylindrical resin material or rubber material may be integrally molded on the outer peripheral surface of the plurality of electric wires so as to block the electric wire insertion space having a circular cross section near the end edge of the shield pipe.
  • a shield pipe is formed by a resin material or a rubber material which is molded on a plurality of electric wires inserted into the shield pipe and interposed between the outer peripheral surface of the electric wire and the end edge of the shield pipe. It is prevented that the said electric wire pulled out from contact
  • the resin material or the rubber material is firmly fixed to the electric wire by molding, the resin material or the rubber material can be protected from the terminal edge without being displaced on the electric wire even after the wiring harness is routed. It is possible to prevent contact between the electric wire and the end edge of the shield pipe by staying at a necessary portion.
  • the electric wire can be easily protected from the end edge of the shield pipe simply by inserting the electric wire previously molded with a resin material or a rubber material into the shield pipe, the assembly workability of the wire harness is not deteriorated.
  • FIG. 1st Embodiment it is a perspective view which shows the electric wire which molded the resin material.
  • the shield pipe shield pipe with a partition
  • FIG. 1st Embodiment it is a perspective view which shows the electric wire which molded the resin material.
  • the shield pipe shield pipe with a partition
  • FIG. 1st Embodiment it is a perspective view which shows the electric wire which molded the resin material.
  • the shield pipe shield pipe with a partition
  • FIG. 1st Embodiment it is a perspective view which shows the electric wire which molded the resin material.
  • the shield pipe shield pipe with a partition
  • FIG. 1st Embodiment it is a perspective view which shows the electric wire which molded the resin material.
  • FIG. 1st Embodiment it is a perspective view which shows the electric wire which molded the resin material.
  • the shield pipe shield pipe with a partition
  • FIG. 1st Embodiment it is a perspective view which shows the electric wire which molded the resin
  • FIG. 6B is a side view of the electric wire formed by molding a resin material on the CC line cross section of the shield pipe. It is a figure which shows a prior art example.
  • FIG. 1 to 3 show a first embodiment.
  • a wire harness composed of four electric wires 10 in which a core wire 10a is covered with an insulating covering material 10b is routed between a battery of a hybrid vehicle and an inverter (not shown).
  • the four electric wires 10 of the wire harness are inserted through the shield pipe 1 shown in FIG.
  • the shield pipe 1 is a shield pipe with a partition, and is composed of a cylindrical peripheral wall 2 and four partition walls 3 projecting on the inner surface of the peripheral wall 2 continuously in the pipe axial direction.
  • the four partition walls 3 are formed in a radial cross section with the central position C of the radiation on the central axis of the shield pipe 1, and the central angle ⁇ 1 between the two adjacent partition walls 3 is 90 degrees.
  • the wall thickness of the partition wall 3 is slightly thinner than the wall thickness of the peripheral wall 2, and each partition wall 3 is provided with one bent portion 4 continuous in the pipe axis direction.
  • the distance from the radiation center position C to the bent portion 4 is set to about 50% of the radius of the shield pipe 1, and the bent angle ⁇ 2 of the bent portion 4 is set to about 130 degrees.
  • a space 5 surrounded by the peripheral wall 2 of the shield pipe 1 and two adjacent partition walls 3 is defined as a wire insertion space for partitioning and inserting the wires 10 of the wire harness one by one, and the four wire insertion spaces 5 are congruent.
  • the shield pipe 1 having the above-described configuration is formed by metal extrusion from an aluminum-based metal.
  • a resin material 11 is molded in an annular shape on the outer peripheral surface of the four electric wires 10 inserted one by one into the electric wire insertion space 5 of the shield pipe 1.
  • the resin material 11 is molded into the electric wire 10 at a position where a connector (not shown) in which the electric wire 10 is inserted into the electric wire insertion space 5 of the shield pipe 1 and attached to both ends is used as a connector (not shown) of the counterpart device.
  • the molded resin material 11 is the outer periphery of the electric wire 10 as a portion that is disposed close to the peripheral edge 2 of the shield pipe 1 and the end edges 2a, 3a of the two adjacent partition walls 3.
  • the electric wire 10 is prevented from coming into contact with the terminal edges 2a and 3a by being interposed between the surface and the terminal edges 2a and 3a.
  • one end 11a of the molded resin material 11 in the electric wire length direction is located inside the end edges 2a and 3a of the shield pipe 1, and the other end 11b of the resin material 11 in the electric wire length direction is.
  • the mold position is set so as to be arranged at positions outside the terminal edges 2a and 3a of the shield pipe 1 (FIG. 3).
  • the annular resin material 11 is sized so that the other end 11b of the resin material 11 can be drawn out to the outside of the shield pipe 1 through the electric wire insertion space 5 of the shield pipe 1.
  • An annular shape inscribed in the peripheral wall 2 and two adjacent partition walls 3 or an annular shape having an outer diameter slightly smaller than the annular shape is adopted.
  • the resin material 11 is molded into the electric wire 10 by using a mold (not shown) composed of an upper die and a lower die having a groove-like cavity having a semicircular cross section, and the electric wire 10 is arranged on the lower die.
  • the upper mold can be clamped and the cavity filled with molten resin and solidified.
  • the resin material 11 is formed of polyamide 6T (PA6T), but may be formed of a rubber material such as EPDM or silicone rubber.
  • the resin material 11 is molded on the outer peripheral surface of the electric wire 10 inserted into each electric wire insertion space 5 of the shield pipe 1 composed of the peripheral wall 2 and the partition wall 3, and the outer peripheral surface of the electric wire 10 and the shield pipe are molded.
  • the molded resin material 11 is interposed between one peripheral wall 2 and terminal edges 2a and 3a of two adjacent partition walls 3. Therefore, the electric wire 10 drawn out from the shield pipe 1 is prevented from being damaged by coming into contact with the end edges 2a and 3a of the shield pipe 1, and in particular, the resin material 11 is firmly fixed to the electric wire 10 by molding.
  • the resin material 11 does not shift on the electric wire 10 even after the electric wire 10 is wired and stays at a predetermined position where the protection from the terminal edges 2a and 3a is necessary, and the electric wires 10 and the terminal edges 2a and 3a of the shield pipe 1 are kept. Can be prevented. Furthermore, since the electric wire 10 can be easily protected from the terminal edges 2a and 3a of the shield pipe 1 simply by inserting the electric wire 10 molded in advance with the resin material 11 into the shield pipe 1, the workability of assembling the wire harness is deteriorated. Nor.
  • FIG. 4 shows a second embodiment.
  • the four electric wires 10 which comprise a wire harness are inserted and wired by the shield pipe 21 which consists only of the surrounding wall 22 without a partition wall.
  • a resin material 31 made of polyamide 66 (PA66) is integrally molded on the outer peripheral surfaces of the four electric wires 10, and the molded resin material 31 is formed on the outer peripheral surface of the electric wires 10 and the shield pipe peripheral wall 22.
  • the four electric wires 10 are prevented from coming into contact with the terminal edge 22a by being interposed between the terminal edge 22a and the terminal edge 22a.
  • the positions where the resin material 31 is molded on the four electric wires 10 are in a state where the four electric wires 10 are inserted into the shield pipe 21 and both ends are connected to each other by connectors to complete the wiring. It is set as the site
  • one end 31a of the resin material 31 in the electric wire direction is disposed at an inner position from the terminal edge 22a of the shield pipe 21, and the other end 31b of the resin material 31 is disposed at an outer position from the terminal edge 22a of the shield pipe 21. (FIG. 4).
  • the cylindrical resin material 31 is integrally molded on the outer peripheral surfaces of the four electric wires 10 so as to block the entire electric wire insertion space 25 having a circular cross section in the vicinity of the terminal edge 22a of the shield pipe.
  • the resin material may be individually molded for each electric wire 10 inserted through the shield pipe 21 as in the first embodiment.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Details Of Indoor Wiring (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

La présente invention concerne une structure de protection de câble qui empêche une pluralité de câbles introduite dans un tuyau protecteur d'être endommagée en entrant en contact avec des bords d'extrémité du tuyau protecteur. Un faisceau de câblage comprenant une pluralité de câbles (10) devant être fixés autour d'un véhicule hybride ou d'un véhicule électrique est introduit dans un tuyau protecteur (1) et un matériau de résine ou de caoutchouc (11) permettant de s'interposer entre les faces circonférentielles externes des câbles (10) et les bords d'extrémité (2a, 3a) du tuyau protecteur (1) est moulé autour de la pluralité de câbles (10) introduite dans le tuyau protecteur (1).
PCT/JP2011/075579 2011-04-11 2011-11-07 Structure de protection de câble à de l'extrémité d'un tuyau protecteur WO2012140802A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011087752A JP5720387B2 (ja) 2011-04-11 2011-04-11 シールドパイプ端末における電線保護構造
JP2011-087752 2011-04-11

Publications (1)

Publication Number Publication Date
WO2012140802A1 true WO2012140802A1 (fr) 2012-10-18

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Application Number Title Priority Date Filing Date
PCT/JP2011/075579 WO2012140802A1 (fr) 2011-04-11 2011-11-07 Structure de protection de câble à de l'extrémité d'un tuyau protecteur

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JP (1) JP5720387B2 (fr)
WO (1) WO2012140802A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2945236A3 (fr) * 2014-05-16 2015-11-25 Sumitomo Wiring Systems, Ltd. Chemin conducteur blindé
FR3117962A1 (fr) * 2020-12-18 2022-06-24 Renault S.A.S. Goulotte pour véhicule automobile.

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6643811B2 (ja) * 2015-04-27 2020-02-12 株式会社マキタ 刈払機
JP6040299B1 (ja) * 2015-09-11 2016-12-07 住友電装株式会社 シールド導電路
JP6645387B2 (ja) * 2016-08-31 2020-02-14 住友電装株式会社 ワイヤハーネス

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02114180U (fr) * 1989-03-02 1990-09-12
JPH099461A (ja) * 1995-06-26 1997-01-10 Sumitomo Wiring Syst Ltd ガスシール用のグロメットに対するワイヤハーネスの取付構造
JP2006269201A (ja) * 2005-03-23 2006-10-05 Auto Network Gijutsu Kenkyusho:Kk シールド導電路
JP2006310127A (ja) * 2005-04-28 2006-11-09 Auto Network Gijutsu Kenkyusho:Kk シールド導電路
JP2007026821A (ja) * 2005-07-14 2007-02-01 Auto Network Gijutsu Kenkyusho:Kk シールド導電体

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02114180U (fr) * 1989-03-02 1990-09-12
JPH099461A (ja) * 1995-06-26 1997-01-10 Sumitomo Wiring Syst Ltd ガスシール用のグロメットに対するワイヤハーネスの取付構造
JP2006269201A (ja) * 2005-03-23 2006-10-05 Auto Network Gijutsu Kenkyusho:Kk シールド導電路
JP2006310127A (ja) * 2005-04-28 2006-11-09 Auto Network Gijutsu Kenkyusho:Kk シールド導電路
JP2007026821A (ja) * 2005-07-14 2007-02-01 Auto Network Gijutsu Kenkyusho:Kk シールド導電体

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2945236A3 (fr) * 2014-05-16 2015-11-25 Sumitomo Wiring Systems, Ltd. Chemin conducteur blindé
FR3117962A1 (fr) * 2020-12-18 2022-06-24 Renault S.A.S. Goulotte pour véhicule automobile.

Also Published As

Publication number Publication date
JP2012222996A (ja) 2012-11-12
JP5720387B2 (ja) 2015-05-20

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