WO2021059873A1 - Boîtier externe et faisceau de câbles - Google Patents

Boîtier externe et faisceau de câbles Download PDF

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Publication number
WO2021059873A1
WO2021059873A1 PCT/JP2020/032834 JP2020032834W WO2021059873A1 WO 2021059873 A1 WO2021059873 A1 WO 2021059873A1 JP 2020032834 W JP2020032834 W JP 2020032834W WO 2021059873 A1 WO2021059873 A1 WO 2021059873A1
Authority
WO
WIPO (PCT)
Prior art keywords
base sheet
cover pieces
exterior body
bent portion
wire harness
Prior art date
Application number
PCT/JP2020/032834
Other languages
English (en)
Japanese (ja)
Inventor
大貴 加藤
悟司 山本
一仁 小原
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 WO2021059873A1 publication Critical patent/WO2021059873A1/fr

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    • 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
    • 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
    • H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
    • 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 disclosure relates to exterior bodies and wire harnesses.
  • the wire harness includes an electric wire and a corrugated tube that protects the electric wire.
  • a configuration is provided between the seat and the vehicle body to absorb the extra length of the wire harness.
  • An extra length absorption box is arranged at a position adjacent to the side part of the seat rail, and the extra length part of the wire harness when the seat leg slides is folded back in a U shape and accommodated in the extra length absorption box. ..
  • the cross-sectional shape of the corrugated tube is substantially circular. Therefore, a gap is formed between the corrugated tube and the electric wire. This gap was a dead space.
  • the present invention has been completed based on the above circumstances, and an object of the present invention is to provide a thin wire harness.
  • the wire harness can be made thinner.
  • FIG. 1 is a perspective view showing a wire harness routing device according to the first embodiment.
  • FIG. 2 is a plan view showing a wire harness routing device showing a state in which the slider is arranged on the rear side of the rail.
  • FIG. 3 is a partially enlarged plan view showing the extra length accommodating portion.
  • FIG. 4 is a perspective view showing a wire harness.
  • FIG. 5 is a perspective view showing a wire harness viewed from an angle different from that of FIG.
  • FIG. 6 is a perspective view showing the sheet.
  • FIG. 7 is a perspective view showing a wire harness viewed from a different angle from FIGS. 4 and 5.
  • FIG. 8 is a cross-sectional view showing a wire harness.
  • FIG. 9 is a plan view showing a state in which the wire harness is bent.
  • FIG. 9 is a plan view showing a state in which the wire harness is bent.
  • FIG. 10 is a perspective view showing a state in which an electric wire is placed on the sheet.
  • FIG. 11 is a perspective view showing the wire harness according to the second embodiment.
  • FIG. 12 is a perspective view showing a wire harness viewed from an angle different from that of FIG.
  • FIG. 13 is a cross-sectional view showing a wire harness.
  • FIG. 14 is a perspective view showing the sheet.
  • the present disclosure is an exterior body in which an electric wire is housed, and the base sheet extending in the extending direction of the electric wire is connected to the base sheet via a bent portion and intersects the extending direction of the electric wire. It has a plurality of cover pieces divided by a plurality of slits extending in the intersecting direction, and the plurality of cover pieces are folded back so as to overlap the base sheet at the bent portion, and the base sheet and the plurality of cover pieces are folded. Each of the cover pieces is joined at a joint formed at an end opposite to the bent portion, and the electric wire is sandwiched between the base sheet and the plurality of cover pieces.
  • the electric wire is sandwiched between the base sheet and a plurality of cover pieces, dead space is less likely to occur between the electric wire and the exterior body.
  • the exterior body can be made thinner in the direction in which the base sheet and the plurality of cover pieces are overlapped.
  • the bent portion is provided on one side of the plurality of covers with a space between the first bent portion provided on the base sheet side and the first bent portion. And, it is preferable to have.
  • the distance between the first bent part and the second bent part By adjusting the distance between the first bent part and the second bent part, the distance between the base sheet and the plurality of cover pieces can be easily adjusted. This makes it easy to handle wires with different diameters.
  • a circular hole is formed at the end on the base sheet side.
  • the force is dispersed in the circular hole, so that it is possible to prevent the base sheet or a plurality of cover pieces from tearing starting from the end of the slit.
  • the base sheet and each of the plurality of cover pieces are heat-sealed.
  • the manufacturing cost of the exterior body can be reduced.
  • the wire harness according to the present disclosure includes the exterior body described in any of the above and the electric wire housed in the exterior body.
  • the first embodiment of the present disclosure will be described with reference to FIGS. 1 to 10.
  • the wire harness routing device 10 of the present embodiment is fixed on the floor under the seat 60 in a vehicle (not shown) such as an automobile, and the wire harness 11 connected to the electrical components of the seat 60 is routed. It has become.
  • the direction indicated by the arrow Z will be upward
  • the direction indicated by the arrow Y will be forward
  • the direction indicated by the arrow X will be left.
  • the direction indicated by the arrow line L is the longitudinal direction
  • the direction indicated by the arrow line M is the intersection direction.
  • the seat 60 is slidable in the front-rear direction with respect to two rails 20 fixed on the floor of the passenger compartment of the vehicle body (not shown) by fastening known bolts or the like.
  • the seat 60 is provided with various electrical components such as an electric reclining device, a seat heater, a sensor for detecting the presence / absence of seating of an occupant, and a sensor for detecting the presence / absence of a seatbelt.
  • the lower portion of the seat 60 is fixed to the slider 26 in the rail 20. In FIG. 1, only the slider 26 of one rail 20 is shown, and the slider of the other rail 20 is omitted.
  • the rails 20 are made of metal, and as shown in FIG. 1, a pair of rails 20 are provided for each seat 60 and extend linearly in the front-rear direction. As shown in FIG. 2, each rail 20 has an insertion hole (not shown) through which the slider 26 is inserted, which is formed through in the front-rear direction. Above the insertion hole, a through groove 24 communicating with the outside extends in a groove shape in the front-rear direction. In FIG. 2, the lid portion 55 and the wire harness 11 are omitted for convenience of explanation.
  • the slider 26 is made of, for example, synthetic resin or metal, and is slidable in the front-rear direction with respect to the rail 20.
  • the slider 26 has a mounting portion 28 that projects upward in a plate shape.
  • the mounting portion 28 slides between the cuts formed in the mat or the like on the floor, and is fastened to the mounted portion (not shown) of the seat 60 by a fastening member (not shown) such as a bolt.
  • a tubular guide member 17 through which a plurality of electric wires 12 are inserted is provided in front of the slider 26. Inside the guide member 17, the extending directions of the plurality of electric wires 12 are guided from the front-rear direction to the up-down direction.
  • the wire harness 11 is arranged on or under the floor of the vehicle body, and is connected to a device such as an ECU (Electronic Control Unit) on the vehicle body side.
  • a device such as an ECU (Electronic Control Unit) on the vehicle body side.
  • the wire harness 11 may be arranged under the mat, the panel, or the like. Power is supplied and signals are transmitted and received between the equipment on the vehicle body side and the electrical components of the seat 60 via the wire harness 11.
  • the wire harness 11 arranged between the seat 60 and the vehicle body is inserted into the rail 20 under the seat 60.
  • the wire harness 11 includes a plurality of electric wires 12 (nine in the present embodiment) and an exterior body 70 that collectively accommodates the plurality of electric wires 12.
  • Each electric wire 12 is a coated electric wire in which a metal conductor portion is coated with an insulating layer, and is connected to various electrical components of the sheet 60.
  • the exterior body 70 is made of, for example, an insulating synthetic resin, and extends in a strip shape while surrounding a plurality of electric wires 12 arranged one above the other.
  • the exterior body 70 is assembled by bending a long sheet 71 extending in a strip shape shown in FIG.
  • the sheet 71 may be used by cutting a continuous material to a required length, or may be formed to a preset length.
  • the exterior body 70 has one bent portion 72 extending in the longitudinal direction (an example in the extending direction). As shown in FIG. 7, the bent portion 72 is formed near the center position of the seat 71 in the intersecting direction intersecting the longitudinal direction. The sheet 71 is folded in half at the bent portion 72.
  • one of the two regions partitioned by the bent portion 72 is formed with a base sheet 73 elongated in the longitudinal direction, and the other is divided by a plurality of slits 74 extending in the intersecting direction.
  • Cover piece 75 is formed.
  • a circular hole 76 is formed at the end of the slit 74 on the base sheet 73 side so as to penetrate the sheet 71.
  • the end of the slit 74 on the side opposite to the base sheet 73 is open to the side edge of the sheet 71.
  • the end portion of the slit 74 that opens to the side edge of the sheet 71 is formed to be slightly wider than the other regions.
  • the base sheet 73 and each of the plurality of cover pieces 75 are joined at a joint portion 77 formed at an end opposite to the bent portion 72 in a state where the sheet 71 is folded back at the bent portion 72. ..
  • a method for joining the base sheet 73 and each of the plurality of cover pieces 75 known methods such as heat fusion and adhesion can be used.
  • the base sheet 73 and the plurality of cover pieces 75 are joined by ultrasonic fusion.
  • a gap is formed between the base sheet 73 and the plurality of cover pieces 75.
  • a plurality of (seven in this embodiment) electric wires 12 are accommodated in this gap.
  • the plurality of electric wires 12 are arranged side by side in the vertical direction.
  • the distance between the inner surface of the base sheet 73 and the inner surface of the plurality of cover pieces 75 is set to be substantially the same as the diameter of the plurality of electric wires 12.
  • the plurality of electric wires 12 are sandwiched between the base sheet 73 and the plurality of cover pieces 75 in a state of being arranged in the vertical direction.
  • the substantially same dimensions include the case where the distance between the inner surface of the base sheet 73 and the inner surface of the plurality of cover pieces 75 is the same as the diameter of the plurality of electric wires 12, and even if they are not the same, they are substantially the same. Including cases where it can be recognized as the same.
  • the distance between the bent portion 72 and the joint portion 77 is set to be slightly larger than the vertical length dimension of the plurality of electric wires 12 in the vertically arranged state.
  • the plurality of electric wires 12 are led out from the front end portion and the rear end portion of the exterior body 70.
  • the wire harness 11 laid out to the outside of the rail 20 and the extra length accommodating portion 40 is laid out in the state of a plurality of electric wires 12 not covered by the exterior body 70.
  • the wire harness routing device 10 includes a wire harness 11 and an extra length accommodating portion 40 in which the extra length portion 11A of the wire harness 11 is accommodated.
  • the extra length accommodating portion 40 accommodates the extra length portion 11A of the wire harness 11 that is not accommodated in the rail 20.
  • the extra length accommodating portion 40 includes an accommodating portion main body 41 and a lid portion 55.
  • the extra length accommodating portion 40 is arranged at the front end portion of the rail 20 located on the right side of the two rails 20.
  • the accommodating portion main body 41 includes a flat bottom wall 42 and an accommodating wall 46 in which the wire harness 11 is spirally accommodated inside.
  • the extra length accommodating portion 40 is formed by injection molding an insulating synthetic resin.
  • the wire harness 11 is bent in a spiral shape so that the base sheet 73 of the exterior body 70 is on the inside and the slit 74 is on the outside. Further, the wire harness 11 is arranged so that the joint portion 77 is on the lower side and the bent portion 72 is on the upper side.
  • the bottom wall 42 is formed in a substantially circular shape when viewed from above.
  • a lead-out portion 43 for leading the wire harness 11 to the floor or under the floor of the vehicle is formed near the center of the bottom wall 42.
  • the lead-out portion 43 has a tubular shape that rises from the vicinity of the center of the bottom wall 42, and is provided with a holding portion 44 in which the wire harness 11 is sandwiched.
  • a through hole 43A that vertically penetrates the bottom wall 42 is formed inside the lead-out portion 43. The wire harness 11 is led out from the through hole 43A on the floor or under the floor of the vehicle.
  • the accommodation wall 46 stands upward from the side edge of the bottom wall 42.
  • a storage space 47 in which the wire harness 11 is housed is formed between the bottom wall 42 and the storage wall 46.
  • a pillar portion 32 is arranged at the right rear end portion of the accommodation wall 46.
  • the pillar portion 32 has a substantially triangular shape when viewed from above.
  • the right edge of the pillar portion 32 is formed so as to extend in a straight line substantially parallel to the right side wall of the accommodating wall 46.
  • the space between the right edge of the pillar portion 32 and the right wall of the accommodation wall 46 is an entrance / exit 45 through which the wire harness 11 enters and exits the accommodation space 47, and communicates with the through groove 24 of the rail 20.
  • the left-right distance between the right edge of the pillar portion 32 and the right side wall of the accommodating wall 46 is set to be the same as or slightly smaller than the left-right distance of the through groove 24.
  • the front end edge of the pillar portion 32 is formed in a curved shape.
  • the trailing edge of the pillar portion 32 is formed so as to extend linearly in the left-right direction.
  • the side edge on the diagonally front left side of the pillar portion 32 is formed in an arc shape.
  • the pillar portion 32 is formed with a fastening portion 50 to which the lid portion 55 can be screwed with a screw.
  • the fastening portion 50 is formed with a screw hole extending in the vertical direction.
  • the inner surface of the accommodating wall 46 and the left front side surface of the pillar portion 32 form an accommodating space 47 in which the wire harness 11 is accommodated in a substantially circular shape when viewed from above.
  • the lid portion 55 has a flat plate shape corresponding to the shape of the accommodating portion main body 41.
  • the lid portion 55 is screwed to the fastening portion 50 of the housing portion main body 41.
  • the storage space 47 is closed by the lid 55 in a state where the lid 55 is screwed to the main body 41 of the housing.
  • the sheet 71 is formed in a predetermined shape.
  • a plurality of electric wires 12 are arranged on the upper surface of the base sheet 73 along the longitudinal direction of the base sheet 73.
  • a plurality of cover pieces 75 are overlapped so as to cover the base sheet 73 and the plurality of electric wires 12.
  • the base sheet 73 and the plurality of cover pieces 75 are ultrasonically fused at the joint portion 77 using a jig (not shown).
  • the exterior body 70 is an exterior body 70 in which the electric wires 12 are housed, and is connected to the base sheet 73 extending in the extending direction of the electric wires 12 via the base sheet 73 and the bent portion 72, and the electric wires 12 It has a plurality of cover pieces 75 divided by a plurality of slits 74 extending in an intersecting direction intersecting the extending direction of the cover piece 75, and the plurality of cover pieces 75 are folded back at a bent portion 72 so as to overlap the base sheet 73.
  • Each of the base sheet 73 and the plurality of cover pieces 75 is joined at a joint portion 77 formed at an end opposite to the bent portion 72, and the electric wire 12 is joined to the base sheet 73 and the plurality of cover pieces 75. It is sandwiched between.
  • the wire harness 11 includes the above-mentioned exterior body 70 and the electric wire 12 housed in the exterior body 70.
  • the electric wire 12 is sandwiched between the base sheet 73 and the plurality of cover pieces 75, a dead space is less likely to occur between the electric wire 12 and the exterior body 70.
  • the exterior body 70 can be made thinner in the direction in which the base sheet 73 and the plurality of cover pieces 75 are overlapped.
  • a circular hole 76 is formed at the end of the plurality of slits 74 on the base sheet 73 side.
  • the base sheet 73 and each of the plurality of cover pieces 75 are heat-sealed.
  • the manufacturing cost of the exterior body 70 can be reduced.
  • the wire harness 81 has an exterior body 80.
  • the bent portion 82 has a first bent portion 82A provided on the base sheet 83 side and a second bent portion 82B provided on the plurality of cover pieces 85 side.
  • the first bent portion 82A extends in the longitudinal direction of the exterior body 80.
  • the first bent portion 82A and the second bent portion 82B are formed at intervals.
  • a plurality of slits 84 are formed in the sheet 90.
  • a first circular hole 86A is formed at the end on the base sheet 83 side.
  • a second circular hole 86B is formed in the slit 84 at intervals from the first circular hole 86A.
  • the first bent portion 82A is formed by bending the portion where the first circular hole 86A is formed, and the second bent portion 82B is formed by bending the portion where the second circular hole 86B is formed. It has become.
  • the distance between the first bent portion 82A and the second bent portion 82B is set to substantially the same length as the diameter of the one having the largest diameter among the plurality of electric wires 12. ..
  • the bent portion 82 is provided on the plurality of cover pieces 85 side with a space between the first bent portion 82A provided on the base sheet 83 side and the first bent portion 82A. It also has a second bent portion 82B.
  • the distance between the first bent portion 82A and the second bent portion 82B can be easily adjusted. This makes it possible to easily handle electric wires 12 having different diameters.
  • the base sheet 73 and the cover piece 75 are ultrasonically fused, they may be fused by heating while pressurizing with a heater.
  • one bent portion 72 is formed, and in the second embodiment, the first bent portion 82A and the second bent portion 82B are formed, but three or more bent portions are formed. It may be configured.
  • the circular hole may be omitted.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Electric Cable Arrangement Between Relatively Moving Parts (AREA)
  • Details Of Indoor Wiring (AREA)
  • Insulated Conductors (AREA)

Abstract

La présente invention concerne un boîtier externe 70 dans lequel des câbles électriques 12 sont reçus, comprenant une feuille de base 73 s'étendant dans la direction dans laquelle s'étendent les câbles électriques 12, et une pluralité de pièces de recouvrement 75 qui sont continues avec la feuille de base 73 au moyen de parties courbées 72, et qui sont divisées au moyen d'une pluralité de fentes 74 qui s'étendent dans une direction d'intersection croisant la direction dans laquelle s'étendent les câbles électriques 12, la pluralité de pièces de recouvrement 75 étant repliées au niveau des parties courbées 72 de manière à chevaucher la feuille de base 73 ; la feuille de base 73 et chacune de la pluralité de pièces de recouvrement 75 sont jointes au niveau de parties de jonction 77 formées au niveau d'une partie de bord sur le côté opposé aux parties courbées 72 ; et les câbles électriques 12 sont pris en sandwich entre la feuille de base 73 et la pluralité de pièces de recouvrement 75.
PCT/JP2020/032834 2019-09-27 2020-08-31 Boîtier externe et faisceau de câbles WO2021059873A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019177506A JP2021057949A (ja) 2019-09-27 2019-09-27 外装体、およびワイヤーハーネス
JP2019-177506 2019-09-27

Publications (1)

Publication Number Publication Date
WO2021059873A1 true WO2021059873A1 (fr) 2021-04-01

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Application Number Title Priority Date Filing Date
PCT/JP2020/032834 WO2021059873A1 (fr) 2019-09-27 2020-08-31 Boîtier externe et faisceau de câbles

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WO (1) WO2021059873A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010246253A (ja) * 2009-04-06 2010-10-28 Yazaki Corp ハーネス外装部材
JP2014200157A (ja) * 2013-03-29 2014-10-23 住友電装株式会社 ワイヤハーネス用の外装材

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010246253A (ja) * 2009-04-06 2010-10-28 Yazaki Corp ハーネス外装部材
JP2014200157A (ja) * 2013-03-29 2014-10-23 住友電装株式会社 ワイヤハーネス用の外装材

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JP2021057949A (ja) 2021-04-08

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