WO2022244478A1 - Exterior member and wire harness - Google Patents

Exterior member and wire harness Download PDF

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Publication number
WO2022244478A1
WO2022244478A1 PCT/JP2022/014899 JP2022014899W WO2022244478A1 WO 2022244478 A1 WO2022244478 A1 WO 2022244478A1 JP 2022014899 W JP2022014899 W JP 2022014899W WO 2022244478 A1 WO2022244478 A1 WO 2022244478A1
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WO
WIPO (PCT)
Prior art keywords
sheets
exterior member
laminated
wire harness
sheet
Prior art date
Application number
PCT/JP2022/014899
Other languages
French (fr)
Japanese (ja)
Inventor
真博 萩
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.)
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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 WO2022244478A1 publication Critical patent/WO2022244478A1/en

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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
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6592—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable
    • 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

  • the present disclosure relates to exterior members and wire harnesses.
  • Patent Document 1 and Patent Document 2 disclose wire harnesses that include electric wires and an exterior member that covers the electric wires.
  • Patent Document 3 discloses a harness tube for inserting a terminal with electric wire into an exterior member made of a cylindrical body.
  • the diameter of the wire increases, the diameter of the exterior member also increases, making it difficult for the wire harness to bend, which may result in loss of flexibility.
  • the weight also increases. Therefore, if the rigidity is not sufficient, there is a concern that the middle portion of the wire harness may sag due to gravity. As a result, a large number of slings must be provided to prevent sagging.
  • an object of the present disclosure is to provide an exterior member and a wire harness that have both flexibility and rigidity.
  • An exterior member of the present disclosure is an exterior member that covers electric wires, and includes a laminated portion in which a plurality of sheets are superimposed, and the laminated portion is a flexible portion in which the plurality of sheets are provided independently of each other. and a rigid body portion in which a plurality of the sheets are integrated.
  • an exterior member and wire harness that have both flexibility and rigidity.
  • FIG. 1 is a schematic diagram showing a wiring state of a wire harness in Example 1 of the embodiment.
  • FIG. 2 is an explanatory diagram of the manufacturing process of the wire harness, showing a state in which the connector is connected to the end of the electric wire.
  • FIG. 3 is a diagram showing a state in which the ends of the shield member are further fixed to the connector.
  • FIG. 4 is a diagram showing a state in which an exterior member is further attached.
  • FIG. 5 is a diagram showing a state in which a waterproof member is further attached.
  • FIG. 6 is a partial cross-sectional view showing a laminated state of each sheet.
  • FIG. 7 is a cross-sectional view showing a state in which the waterproof member is fixed to the outer circumference of the laminated portion by the fixing member at the end of the wire harness.
  • FIG. 8 is a partial cross-sectional view showing a laminated state of sheets in Example 2 of the embodiment.
  • FIG. 9 is a cross-sectional view in the middle of the route of the wire harness.
  • FIG. 10 is a partial cross-sectional view showing a laminated state of sheets in Example 3 of the embodiment.
  • FIG. 11 is a partial cross-sectional view showing a state in which the metal foil is exposed on the inner peripheral side of the end of each conductive sheet.
  • FIG. 12 is a partial cross-sectional view showing a laminated state of sheets in Example 4 of the embodiment.
  • the exterior member of the present disclosure is (1) An exterior member that covers electric wires, and includes a laminated portion in which a plurality of sheets are superimposed, and the laminated portion includes a flexible portion in which the plurality of sheets are provided independently of each other, and a plurality of and a rigid portion with which the sheet is integrated.
  • the exterior member configured as described above can ensure flexibility by the flexible portion, and can also ensure rigidity by the rigid portion.
  • At least one of the plurality of sheets is preferably a conductive sheet.
  • the exterior member configured as described above can have shielding performance.
  • the conductive sheet is arranged on the inner peripheral side, which is the electric wire side, in the laminated portion.
  • the exterior member configured as described above can avoid interference between an external interfering object and the conductive sheet, so there is little concern that the conductive sheet will be damaged.
  • a plurality of the conductive sheets are provided in the laminated portion.
  • the exterior member having the above structure even if a part of the conductive sheet is damaged such as breakage, shielding performance can be ensured by the other part of the conductive sheet.
  • the conductive sheet may be all of the plurality of sheets forming the laminated portion.
  • one sheet can be used in common, and versatility can be enhanced.
  • the conductive sheet is preferably a resin sheet provided with a metal foil.
  • the exterior member having the above configuration can improve flexibility compared to the case where the entire conductive sheet is formed of a metal member.
  • the plurality of conductive sheets may be laminated stepwise so that the respective metal foils are exposed on the inner circumferential side, which is the electric wire side, at each end.
  • the exterior member configured as described above can electrically connect a shield shell or the like to the metal foil exposed at the end of each conductive sheet.
  • the wire harness of the present disclosure is (8) Covering the exterior member according to any one of (1) to (7) above, the electric wire, a connector provided at the end of the electric wire, and the end of the exterior member and the connector. and a waterproof member.
  • the wire harness configured as described above can prevent water from entering between the end of the exterior member and the connector.
  • the connector further includes a shield member positioned inside the exterior member and covering the electric wire, and the connector has a shield shell electrically connected to an end portion of the shield member inside the waterproof member. It's good to be
  • the wire harness configured as described above can prevent water from adhering to the connecting portion between the end portion of the shield member and the shield shell. In this case, corrosion is suppressed even if the shield member and the shield shell are made of different metals.
  • a fixing member that fixes the waterproof member to the exterior member is further provided, the waterproof member has a covering portion that covers the rigid portion of the exterior member, and the fixing member is provided around the outer circumference of the covering portion. It is good if it is installed.
  • the cover portion can receive the fixing force of the fixing member.
  • Example 1 of the present embodiment exemplifies the wire harness 10 mounted on a hybrid vehicle, a plug-in hybrid vehicle, an electric vehicle, or the like.
  • a vehicle 90 on which the wire harness 10 is mounted has, for example, as shown in FIG. .
  • the vehicle 90 has a front harness 11 electrically connecting the front motor 91 and the battery 92 and a rear harness 12 electrically connecting the rear motor 93 and the battery 92 .
  • the front harness 11 and the rear harness 12 constitute the wire harness 10 .
  • the wire harness 10 of Embodiment 1 includes electric wires 20, a connector 30, a shield member 40, a caulking ring 50, an exterior member 60, a waterproof member 70, and a fixing member 80.
  • the electric wire 20 includes a core wire 21 and a coating 22 surrounding the core wire 21, as shown in FIG.
  • the core wire 21 is made of a conductive material such as copper or aluminum.
  • the core wire 21 is configured by twisting a plurality of strands.
  • the core wire 21 may be composed of a single wire.
  • the coating 22 is made of an insulating resin material.
  • a connector 30 is provided at the end of the electric wire 20, as shown in FIG.
  • the connector 30 is electrically connected to devices such as the front motor 91, the rear motor 93, the battery 92, and the like.
  • the connector 30 has a synthetic resin housing that accommodates terminals connected to the ends of the wires 20 .
  • the connector 30 has a cylindrical shield shell 31 that surrounds the housing.
  • the shield shell 31 is made of a conductive metal material such as aluminum.
  • the shield shell 31 is electrically connected to the shield member 40 as shown in FIG.
  • the shield member 40 is a conductive member for electromagnetic shielding, and is arranged to cover the electric wire 20 .
  • the shield member 40 is composed of a braid in which a large number of strands are woven into a tubular shape.
  • the shield member 40 may be made of metal foil such as copper foil or aluminum foil.
  • the end of the shield member 40 is fixed to the shield shell 31 via a metal caulking ring 50 .
  • the caulking ring 50 is provided on the outer peripheral side of the end of the shield member 40 , tightens the shield member 40 from the outer peripheral side, and sandwiches the end of the shield member 40 between itself and the shield shell 31 .
  • the outer circumference of the electric wire 20 is covered with an exterior member 60 except for the ends.
  • the exterior member 60 is positioned on the outer peripheral side of the shield member 40 and has a role of protecting the shield member 40 and the electric wires 20 from external interference such as peripheral components.
  • the exterior member 60 has a laminated portion 62 formed by laminating a plurality of sheets 61 in the plate thickness direction.
  • the laminated portion 62 of the first embodiment is formed on the entire exterior member 60 .
  • the laminated portion 62 may be configured only as part of the exterior member 60 .
  • Each of the plurality of sheets 61 is composed of a thin sheet that is bendable and deformable.
  • each sheet 61 is formed with a plate thickness of 0.2 to 0.3 mm.
  • the number of laminated sheets 61 is preferably 3 or more, but can be arbitrarily set according to usage conditions and the like.
  • the sheet 61 of Example 1 is a resin sheet made of resin.
  • the resin forming the sheet 61 is preferably a polyolefin resin such as PE (Polyethylene) or PP (Polypropylene), which has excellent heat resistance and mechanical strength.
  • PE Polyethylene
  • PP Polypropylene
  • both the inner sheet 61A closest to the electric wire 20 and the outer sheet 61A farthest from the electric wire 20 are made of PE, and the intermediate sheet 61B laminated between the two sheets 61A is made of PP. If it does, it is excellent in cost performance and is more preferable.
  • the resin forming the sheet 61 may be resin other than polyolefin resin, such as polyamide resin or polyester resin, or may be elastomer such as thermoplastic elastomer.
  • the seat 61 also has a flexible portion 63 and a rigid portion 64 having higher rigidity than the flexible portion 63 .
  • the flexible portions 63 and the rigid portions 64 are alternately arranged so as to be adjacent to each other in the wiring direction of the wire harness 10 .
  • the flexible portion 63 is a portion where the sheets 61 are laminated independently of each other.
  • independent means that the sheets 61 are not fixed to each other without being mechanically, physically or chemically processed to integrate the sheets 61 with each other.
  • the sheets 61 may be separated from each other in the thickness direction, but are preferably in contact with each other in the thickness direction, and more preferably in surface contact with each other in the thickness direction.
  • the flexible portion 63 has rigidity to maintain the path of the wire harness 10, but also has flexibility such that it can be bent and deformed manually, for example. Therefore, the flexible portion 63 is preferably installed at a curved portion of the route of the wire harness 10. In the case of the first embodiment, as shown in FIG. It is installed in the part where it curves and rises.
  • the rigid body portion 64 is a portion where the sheets 61 are laminated while being integrated with each other. Specifically, the rigid portion 64 is a portion where the sheets 61 are integrated with each other by subjecting the sheets 61 to mechanical, physical, and chemical treatments. More specifically, the rigid portion 64 is a portion in which the sheets 61 are welded together by ultrasonic waves, laser, heat press, or the like, and the rigidity is strengthened. Since there is no air layer between the sheets 61 in the rigid portion 64 , the plate thickness can be made thinner than that in the flexible portion 63 . Also, the plate thickness of the rigid body portion 64 is made thinner by welding.
  • the laminated portion 62 is wound so as to surround the shield member 40 and the electric wire 20 from a flat unfolded state. As a result, a cylindrical laminated portion 62 is formed. Further, an adhesive tape (not shown) is wrapped around the outer periphery of the laminated portion 62 to hold the tubular shape of the laminated portion 62 . Since both ends of the laminated portion 62 in the circumferential direction can overlap each other, an adhesive or the like may be interposed between the overlapped portions to join them together. Any means can be employed as a means for retaining the cylindrical shape of the laminated portion 62, and is not particularly limited.
  • the end portion of the laminated portion 62 is configured as a rigid portion 64 .
  • the end portion of the laminated portion 62 is covered with a waterproof member 70 as shown in FIG.
  • the waterproof member 70 is attached across the end portion of the laminated portion 62 and the connector 30 .
  • a cylindrical rubber boot can be used as the waterproof member 70 .
  • This rubber boot may be a grommet, which is a rubber boot with a flange.
  • a fixing member 80 is attached to the outer periphery of the waterproof member 70 .
  • a fixing member 80 a binding member such as a tie band, an adhesive tape, or a clip can be used.
  • the waterproof member 70 has a covering portion 71 between the rigid portion 64 at the end of the laminated portion 62 and the fixing member 80 .
  • the rigid part 64 of the first embodiment is formed in a band shape so as to extend continuously in the circumferential direction when each sheet 61 is rolled into a cylinder.
  • a portion of each sheet 61 adjacent to the rigid portion 64 is configured as a flexible portion 63 . In other words, no special processing is required to form the flexible portion 63 . Thereby, a planar laminated portion 62 is obtained.
  • the laminated portion 62 is cylindrically wound around the outer circumference of the shield member 40 and fastened with an adhesive tape or the like (not shown). Subsequently, while covering the end of each electric wire 20 with the waterproof member 70, the waterproof member 70 is put on the end of the laminated portion 62 and the shield shell 31, and further, as shown in FIG. A fixing member 80 is installed on the side. In this state, the fixing member 80 is tightened to the cover portion 71 to fix the waterproof member 70 to the end portion of the laminated portion 62 . Since the end portion of the laminated portion 62 is composed of the rigid portion 64, the fixing force of the fixing member 80 can be stably received.
  • the end portion of the laminated portion 62 is formed to have a small diameter by the rigid portion 64 and has excellent thermal conductivity, the inner circumference of the end portion of the laminated portion 62 is formed as shown in FIG.
  • the wire harness 10 formed in this manner can be used as the front harness 11 or the rear harness 12 of the vehicle 90, as described above.
  • a flexible portion 63 that is curved according to the curved shape is installed in the curved portion, and a rigid portion 64 that can maintain the linear shape is installed in the linearly extending portion. It is good to do so.
  • the rigid portion 64 can suppress the hanging of the wire harness 10, the number of hangers that can be installed in the route of the wire harness 10 can be reduced, and preferably eliminated.
  • a rigid body portion 64 can be provided corresponding to the attachment position of the hanger.
  • the exterior member 60 has the laminated portion 62 in which a plurality of sheets 61 are laminated, and the laminated portion 62 has the flexible portion 63 and the rigid portion 64, and the flexible portion
  • the portion 63 is composed of the sheets 61 provided independently of each other, and the rigid portion 64 is composed of the sheets 61 integrated. Therefore, the exterior member 60 can have both flexibility and rigidity with a simple structure without increasing the number of parts.
  • the waterproof member 70 is provided so as to span between the end portion of the laminated portion 62 and the connector 30 , it is possible to prevent water from entering between the end portion of the laminated portion 62 and the connector 30 . .
  • the shield shell 31 is electrically connected to the end of the shield member 40 inside the waterproof member 70, water is prevented from adhering to the connecting portion between the end of the shield member 40 and the shield shell 31. and the connection reliability can be ensured.
  • Example 2 In Example 2 of the present embodiment, as shown in FIG. 8, one of the plurality of sheets 61F forming the laminated portion 62F is a conductive sheet 61C, which is different from Example 1. is different.
  • the conductive sheet 61C is arranged on the inner peripheral side of the plurality of sheets 61F, which is the side closest to the electric wire 20 when wound.
  • the conductive sheet 61C includes a resin sheet 61D made of resin and a metal foil 61E provided on the inner surface of both surfaces of the resin sheet 61D located on the inner peripheral side.
  • the resin sheet 61D is the same as the sheet 61 of the first embodiment.
  • the sheets other than the conductive sheet 61C are made of resin sheets 61D.
  • the metal foil 61E is gold foil, silver foil, copper foil, aluminum foil, or the like, and has a thinner thickness than the resin sheet 61D.
  • the metal foil 61E is bonded to the inner surface of the resin sheet 61D on the inner peripheral side by a bonding means such as two-color molding or thermal bonding.
  • a bonding means such as two-color molding or thermal bonding.
  • an adhesive layer such as an adhesive material or an adhesive tape may be provided between the inner surface of the resin sheet 61D and the metal foil 61E.
  • the conductive sheet 61C is arranged on the inner peripheral side of the laminated portion 62F, and the metal foil 61E is arranged on the electric wire 20 side. placed exposed.
  • the metal foil 61E has electromagnetic wave shielding performance and can exhibit the same function as the shield member 40 of the first embodiment. Therefore, in the second embodiment, a shield member such as a braid is omitted from the wire harness 10, as shown in FIG. However, in order to improve the shield performance, a shield member such as braid may be used together with the metal foil 61E.
  • the exterior member 60 can have shielding performance.
  • the conductive sheet 61C is formed by bonding the metal foil 61E to the resin sheet 61D, the flexibility is enhanced compared to the case where the whole is made of metal.
  • the conductive sheet 61C is arranged on the inner peripheral side of the laminated portion 62F, and the metal foil 61E is provided on the inner surface of the resin sheet 61D, it is possible to avoid interference between the external interference and the metal foil 61E. can.
  • Example 3 of the present embodiment differs from Example 2 in that, as shown in FIG. 10, all the sheets 61G constituting the laminated portion 62G are conductive sheets 61C.
  • the conductive sheet 61C has a structure similar to that of the second embodiment, and includes a resin sheet 61D and a metal foil 61E provided on the inner surface of the resin sheet 61D.
  • the resin surface of the conductive sheet 61C is exposed on the outer periphery of the laminated portion 62G, and the metal foil 61E of the conductive sheet 61C is exposed on the inner periphery of the laminated portion 62G.
  • the flexible portion 63 and the rigid portion 64 are formed continuously in the plate thickness direction of the laminated portion 62G while including the resin sheet 61D and the metal foil 61E.
  • the end of the conductive sheet 61C located relatively on the outer peripheral side is the conductive sheet 61C located relatively on the inner peripheral side. It is formed so as to protrude in the plate surface direction (to the right in FIG. 11) from the end of the elastic sheet 61C.
  • a stepped portion 65 is formed for each conductive sheet 61C to form a stepped laminated structure as a whole. Since the conductive sheets 61C are laminated stepwise, the metal foils 61E of the conductive sheets 61C are all exposed to the inner peripheral side at the end of the laminated portion 62G. Therefore, each metal foil 61E of each conductive sheet 61C becomes electrically connectable to the ground connecting member 35 such as a shield shell at the end of the laminated portion 62G.
  • the conductive sheets 61C can be shared by one product number, and versatility can be enhanced. .
  • Example 3 the metal foils 61E formed at the ends of the conductive sheets 61C can all be electrically connected to the connection member 35, so that the shielding performance can be improved.
  • Example 4 In Example 4 of the present embodiment, as shown in FIG. 12, of the plurality of sheets 61H forming the laminated portion 62H, two or more of the sheets located on the inner peripheral side are partially formed into conductive sheets 61C. , which is different from the third embodiment.
  • the conductive sheet 61C is composed of two sheets, one located on the innermost peripheral side and another sheet laminated thereon in the lamination portion 62H.
  • the two sheets positioned on the outer peripheral side are composed of resin sheets 61D.
  • the structure of the conductive sheet 61C is the same as in the second and third embodiments. Moreover, although not shown, the conductive sheets 61C are laminated in a stepped manner at the end of the laminated portion 62H, similarly to the third embodiment, and the metal foils 61E are arranged so as to be exposed on the inner peripheral side. ing.
  • the remaining conductive sheets 61C can provide shielding performance. can be secured.
  • the wire harness was provided between the battery and the motor of the vehicle.
  • the wire harness may be provided at an appropriate portion of the vehicle.
  • the wire harness is not limited to the automobile such as the electric automobile exemplified in the first embodiment, and may be mounted in other types of automobiles. Widely applicable to cabling routes.
  • the laminated portion constituted the entire outer conductor member.
  • the laminated portion may constitute a part of the exterior member.
  • the conductive sheet was composed of a resin sheet and a metal foil.
  • the conductive sheet may be entirely composed of a conductive member.
  • the metal foil was provided on the inner surface of the resin sheet.
  • the metal foil may also be provided on the outer surface of the resin sheet.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Details Of Indoor Wiring (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Insulated Conductors (AREA)

Abstract

An external member that has both flexibility and rigidity, and a wire harness are provided.　The external member (60) covers a wire (20), and is provided with laminate parts (62, 62F, 62G, 62H) where multiple sheets (61, 61F, 61G, 61H) are made to overlap. The laminate parts (62, 62F, 62G, 62H) have a flexible part (63) where the sheets (61, 61F, 61G, 61H) are provided independently of one another, and a rigid part (64) where the sheets (61, 61F, 61G, 61H) are integrated. A wire harness (10) is provided with a waterproof member (70) that covers the end of the external member (60) and a connector (30).

Description

外装部材及びワイヤハーネスExterior materials and wire harnesses
　本開示は、外装部材及びワイヤハーネスに関する。 The present disclosure relates to exterior members and wire harnesses.
　特許文献１および特許文献２は、いずれも、電線と、電線を覆う外装部材と、を備えたワイヤハーネスを開示している。 Both Patent Document 1 and Patent Document 2 disclose wire harnesses that include electric wires and an exterior member that covers the electric wires.
　特許文献３は、電線付き端子を筒体からなる外装部材に挿入するハーネス用チューブを開示している。 Patent Document 3 discloses a harness tube for inserting a terminal with electric wire into an exterior member made of a cylindrical body.
特開２０１４－１４３８９４号公報JP 2014-143894 A 特開２００６－２５３０７２号公報JP 2006-253072 A 特開平１１－２０５９４３号公報JP-A-11-205943
　ところで、電線径が大きくなると、外装部材の径も大きくなり、ワイヤハーネスが曲がりにくくなって、柔軟性が損なわれるおそれがある。また、電線および外装部材の大径化に伴い、重量も増加するので、剛性が十分でないと、重力によりワイヤハーネスの途中部分が垂れ下がる懸念がある。結果として、垂れ下りを防止する吊り具を多数設けなければならない。 By the way, if the diameter of the wire increases, the diameter of the exterior member also increases, making it difficult for the wire harness to bend, which may result in loss of flexibility. In addition, as the diameter of the wire and the exterior member increases, the weight also increases. Therefore, if the rigidity is not sufficient, there is a concern that the middle portion of the wire harness may sag due to gravity. As a result, a large number of slings must be provided to prevent sagging.
　そこで、本開示は、柔軟性と剛性を兼ね備えた外装部材およびワイヤハーネスを提供することを目的とする。 Therefore, an object of the present disclosure is to provide an exterior member and a wire harness that have both flexibility and rigidity.
　本開示の外装部材は、電線を覆う外装部材であって、複数のシートが重ね合されている積層部を備え、前記積層部は、複数の前記シートが互いに独立して設けられている柔軟部と、複数の前記シートが一体化された剛体部と、を有している。 An exterior member of the present disclosure is an exterior member that covers electric wires, and includes a laminated portion in which a plurality of sheets are superimposed, and the laminated portion is a flexible portion in which the plurality of sheets are provided independently of each other. and a rigid body portion in which a plurality of the sheets are integrated.
　本開示によれば、柔軟性と剛性を兼ね備えた外装部材およびワイヤハーネスを提供することが可能となる。 According to the present disclosure, it is possible to provide an exterior member and wire harness that have both flexibility and rigidity.
図１は、実施形態の実施例１において、ワイヤハーネスの配索状態を示す模式図である。FIG. 1 is a schematic diagram showing a wiring state of a wire harness in Example 1 of the embodiment. 図２は、ワイヤハーネスの製造工程の説明図であって、電線の端部にコネクタが接続された状態を示す図である。FIG. 2 is an explanatory diagram of the manufacturing process of the wire harness, showing a state in which the connector is connected to the end of the electric wire. 図３は、さらにシールド部材の端部がコネクタに固定された状態を示す図である。FIG. 3 is a diagram showing a state in which the ends of the shield member are further fixed to the connector. 図４は、さらに外装部材が取り付けられた状態を示す図である。FIG. 4 is a diagram showing a state in which an exterior member is further attached. 図５は、さらに防水部材が取り付けられた状態を示す図である。FIG. 5 is a diagram showing a state in which a waterproof member is further attached. 図６は、各シートの積層状態を示す部分断面図である。FIG. 6 is a partial cross-sectional view showing a laminated state of each sheet. 図７は、ワイヤハーネスの端部において、防水部材が固定部材で積層部の外周に固定された状態を示す断面図である。FIG. 7 is a cross-sectional view showing a state in which the waterproof member is fixed to the outer circumference of the laminated portion by the fixing member at the end of the wire harness. 図８は、実施形態の実施例２において、各シートの積層状態を示す部分断面図である。FIG. 8 is a partial cross-sectional view showing a laminated state of sheets in Example 2 of the embodiment. 図９は、ワイヤハーネスの経路途中の断面図である。FIG. 9 is a cross-sectional view in the middle of the route of the wire harness. 図１０は、実施形態の実施例３において、各シートの積層状態を示す部分断面図である。FIG. 10 is a partial cross-sectional view showing a laminated state of sheets in Example 3 of the embodiment. 図１１は、各導電性シートの端部の内周側にそれぞれ金属箔が露出している状態を示す部分断面図である。FIG. 11 is a partial cross-sectional view showing a state in which the metal foil is exposed on the inner peripheral side of the end of each conductive sheet. 図１２は、実施形態の実施例４において、各シートの積層状態を示す部分断面図である。FIG. 12 is a partial cross-sectional view showing a laminated state of sheets in Example 4 of the embodiment.
［本開示の実施形態の説明］
　最初に本開示の実施態様を列記して説明する。
　本開示の外装部材は、
　（１）電線を覆う外装部材であって、複数のシートが重ね合されている積層部を備え、前記積層部は、複数の前記シートが互いに独立して設けられている柔軟部と、複数の前記シートが一体化された剛体部と、を有している。
　上記構成の外装部材は、柔軟部によって柔軟性を確保することができる上、剛体部によって剛性を確保することができる。 [Description of Embodiments of the Present Disclosure]
First, the embodiments of the present disclosure are listed and described.
The exterior member of the present disclosure is
(1) An exterior member that covers electric wires, and includes a laminated portion in which a plurality of sheets are superimposed, and the laminated portion includes a flexible portion in which the plurality of sheets are provided independently of each other, and a plurality of and a rigid portion with which the sheet is integrated.
The exterior member configured as described above can ensure flexibility by the flexible portion, and can also ensure rigidity by the rigid portion.
　（２）複数の前記シートのうち、少なくとも１枚は、導電性シートであるのが好ましい。
　上記構成の外装部材は、シールド性能を備えることができる。 (2) At least one of the plurality of sheets is preferably a conductive sheet.
The exterior member configured as described above can have shielding performance.
　（３）前記導電性シートは、前記積層部において、前記電線側となる内周側に配置されていると良い。
　上記構成の外装部材は、外部干渉物と導電性シートとの干渉を回避することができるので、導電性シートが損傷する懸念が少ない。 (3) It is preferable that the conductive sheet is arranged on the inner peripheral side, which is the electric wire side, in the laminated portion.
The exterior member configured as described above can avoid interference between an external interfering object and the conductive sheet, so there is little concern that the conductive sheet will be damaged.
　（４）前記導電性シートは、前記積層部に複数設けられていると良い。
　上記構成の外装部材は、一部の導電性シートに破断などの不具合が生じても、他部の導電性シートによってシールド性能を確保することができる。 (4) It is preferable that a plurality of the conductive sheets are provided in the laminated portion.
In the exterior member having the above structure, even if a part of the conductive sheet is damaged such as breakage, shielding performance can be ensured by the other part of the conductive sheet.
　（５）前記導電性シートは、前記積層部を構成する複数の前記シートの全部であると良い。
　上記構成の外装部材は、シートを１つの品番で共用することができ、汎用性を高めることができる。 (5) The conductive sheet may be all of the plurality of sheets forming the laminated portion.
In the exterior member having the above configuration, one sheet can be used in common, and versatility can be enhanced.
　（６）前記導電性シートは、樹脂製の樹脂シートに金属箔を設けたものであると良い。
　上記構成の外装部材は、導電性シート全体を金属部材で形成する場合に比べ、柔軟性を向上させることができる。 (6) The conductive sheet is preferably a resin sheet provided with a metal foil.
The exterior member having the above configuration can improve flexibility compared to the case where the entire conductive sheet is formed of a metal member.
　（７）複数の前記導電性シートは、それぞれの端部において、前記電線側となる内周側にそれぞれの前記金属箔が露出するように段状に積層されていると良い。
　上記構成の外装部材は、それぞれの導電性シートの端部において露出する金属箔にシールドシェルなどを電気的に接続させることができる。 (7) The plurality of conductive sheets may be laminated stepwise so that the respective metal foils are exposed on the inner circumferential side, which is the electric wire side, at each end.
The exterior member configured as described above can electrically connect a shield shell or the like to the metal foil exposed at the end of each conductive sheet.
　また、本開示のワイヤハーネスは、
　（８）上記（１）から（７）のいずれか１つに記載の外装部材と、前記電線と、前記電線の端部に設けられるコネクタと、前記外装部材の端部と前記コネクタとを覆う防水部材と、を備えている。
　上記構成のワイヤハーネスは、外装部材の端部とコネクタとの間に水が入り混むのを防止することができる。 In addition, the wire harness of the present disclosure is
(8) Covering the exterior member according to any one of (1) to (7) above, the electric wire, a connector provided at the end of the electric wire, and the end of the exterior member and the connector. and a waterproof member.
The wire harness configured as described above can prevent water from entering between the end of the exterior member and the connector.
　（９）前記外装部材の内側に位置して前記電線を覆うシールド部材をさらに備え、前記コネクタは、前記防水部材の内側で前記シールド部材の端部に電気的に接続されるシールドシェルを有していると良い。
　上記構成のワイヤハーネスは、シールド部材の端部とシールドシェルとの接続部に水が付着するのを防止することができる。この場合、シールド部材とシールドシェルとが異種金属であったとしても、腐食が抑制される。 (9) The connector further includes a shield member positioned inside the exterior member and covering the electric wire, and the connector has a shield shell electrically connected to an end portion of the shield member inside the waterproof member. It's good to be
The wire harness configured as described above can prevent water from adhering to the connecting portion between the end portion of the shield member and the shield shell. In this case, corrosion is suppressed even if the shield member and the shield shell are made of different metals.
　（１０）前記防水部材を前記外装部材に固定する固定部材をさらに備え、前記防水部材は、前記外装部材の前記剛体部を覆う覆い部を有し、前記固定部材は、前記覆い部の外周に装着されていると良い。
　上記構成のワイヤハーネスは、覆い部が固定部材の固定力を受けることができる。 (10) A fixing member that fixes the waterproof member to the exterior member is further provided, the waterproof member has a covering portion that covers the rigid portion of the exterior member, and the fixing member is provided around the outer circumference of the covering portion. It is good if it is installed.
In the wire harness configured as described above, the cover portion can receive the fixing force of the fixing member.
［本開示の実施形態の詳細］
　本開示の実施形態の具体例を、以下に図面を参照しつつ説明する。なお、本発明はこの例示に限定されるものではなく、請求の範囲によって示され、請求の範囲と均等の意味および範囲内でのすべての変更が含まれることが意図される。 [Details of the embodiment of the present disclosure]
Specific examples of embodiments of the present disclosure will be described below with reference to the drawings. The present invention is not limited to this example, but is indicated by the scope of the claims, and is intended to include all modifications within the meaning and scope of equivalents of the scope of the claims.
　＜実施例１＞
　本実施形態の実施例１は、ハイブリッド車、プラグインハイブリッド車、電気自動車等に搭載されるワイヤハーネス１０を例示するものである。ワイヤハーネス１０が搭載される車両９０は、例えば、図１に示すように、前部にフロントモータ９１を有し、中央部の床下にバッテリ９２を有し、後部にリアモータ９３を有している。そして、車両９０は、フロントモータ９１とバッテリ９２とを電気的に接続するフロントハーネス１１と、リアモータ９３とバッテリ９２との間を電気的に接続するリアハーネス１２と、を有している。フロントハーネス１１とリアハーネス１２は、ワイヤハーネス１０を構成している。 <Example 1>
Example 1 of the present embodiment exemplifies the wire harness 10 mounted on a hybrid vehicle, a plug-in hybrid vehicle, an electric vehicle, or the like. A vehicle 90 on which the wire harness 10 is mounted has, for example, as shown in FIG. . The vehicle 90 has a front harness 11 electrically connecting the front motor 91 and the battery 92 and a rear harness 12 electrically connecting the rear motor 93 and the battery 92 . The front harness 11 and the rear harness 12 constitute the wire harness 10 .
　本実施例１のワイヤハーネス１０は、電線２０、コネクタ３０、シールド部材４０、かしめリング５０、外装部材６０、防水部材７０および固定部材８０を備えている。 The wire harness 10 of Embodiment 1 includes electric wires 20, a connector 30, a shield member 40, a caulking ring 50, an exterior member 60, a waterproof member 70, and a fixing member 80.
　電線２０は、ワイヤハーネス１０に複数本備えられている。電線２０は、図７に示すように、芯線２１と、芯線２１を包囲する被覆２２と、を備えている。芯線２１は、銅またはアルミ等の導電性材料によって形成されている。例えば、芯線２１は、複数の素線を撚り合わせて構成されている。もっとも、芯線２１は、単線によって構成されていても良い。被覆２２は、絶縁性の樹脂材料によって形成されている。 A plurality of electric wires 20 are provided in the wire harness 10 . The electric wire 20 includes a core wire 21 and a coating 22 surrounding the core wire 21, as shown in FIG. The core wire 21 is made of a conductive material such as copper or aluminum. For example, the core wire 21 is configured by twisting a plurality of strands. However, the core wire 21 may be composed of a single wire. The coating 22 is made of an insulating resin material.
　電線２０の端部には、図２に示すように、コネクタ３０が設けられている。コネクタ３０は、フロントモータ９１、リアモータ９３、バッテリ９２等の機器に電気的に接続される。 A connector 30 is provided at the end of the electric wire 20, as shown in FIG. The connector 30 is electrically connected to devices such as the front motor 91, the rear motor 93, the battery 92, and the like.
　コネクタ３０は、図示はしないが、電線２０の端部に接続された端子を収容する合成樹脂製のハウジングを有している。そして、コネクタ３０は、ハウジングの周囲を覆う筒状のシールドシェル３１を有している。シールドシェル３１は、アルミ等の金属製の導電性材料によって形成されている。 Although not shown, the connector 30 has a synthetic resin housing that accommodates terminals connected to the ends of the wires 20 . The connector 30 has a cylindrical shield shell 31 that surrounds the housing. The shield shell 31 is made of a conductive metal material such as aluminum.
　シールドシェル３１は、図３に示すように、シールド部材４０と電気的に接続される。シールド部材４０は、導電性を有する電磁シールド用の部材であって、電線２０の周りを覆うように配置されている。本実施例１の場合、シールド部材４０は、多数の素線を筒状に編み込んだ編組で構成されている。もっとも、シールド部材４０は、銅箔、アルミ箔等の金属製の箔で構成されていても良い。 The shield shell 31 is electrically connected to the shield member 40 as shown in FIG. The shield member 40 is a conductive member for electromagnetic shielding, and is arranged to cover the electric wire 20 . In the case of the first embodiment, the shield member 40 is composed of a braid in which a large number of strands are woven into a tubular shape. However, the shield member 40 may be made of metal foil such as copper foil or aluminum foil.
　シールド部材４０の端部は、金属製のかしめリング５０を介してシールドシェル３１に固定されている。かしめリング５０は、シールド部材４０の端部の外周側に設けられ、シールド部材４０を外周側から締め付け、シールドシェル３１との間にシールド部材４０の端部を挟み込む。 The end of the shield member 40 is fixed to the shield shell 31 via a metal caulking ring 50 . The caulking ring 50 is provided on the outer peripheral side of the end of the shield member 40 , tightens the shield member 40 from the outer peripheral side, and sandwiches the end of the shield member 40 between itself and the shield shell 31 .
　電線２０の外周は、端部を除いて、外装部材６０によって覆われている。外装部材６０は、シールド部材４０の外周側に位置し、シールド部材４０および電線２０を周辺部品等の外部干渉物から保護する役割を有している。 The outer circumference of the electric wire 20 is covered with an exterior member 60 except for the ends. The exterior member 60 is positioned on the outer peripheral side of the shield member 40 and has a role of protecting the shield member 40 and the electric wires 20 from external interference such as peripheral components.
　外装部材６０は、図６に示すように、複数のシート６１を板厚方向に積層してなる積層部６２を有している。本実施例１の積層部６２は、外装部材６０の全体に構成されている。しかし、積層部６２は、外装部材６０の一部に構成されているだけでも良い。 As shown in FIG. 6, the exterior member 60 has a laminated portion 62 formed by laminating a plurality of sheets 61 in the plate thickness direction. The laminated portion 62 of the first embodiment is formed on the entire exterior member 60 . However, the laminated portion 62 may be configured only as part of the exterior member 60 .
　複数のシート６１は、それぞれ曲げ変形可能な薄肉シートで構成されている。例えば、各シート６１は、一枚当たり、０．２～０．３ｍｍの板厚で形成されている。各シート６１の積層枚数は、３枚以上であるのが好ましいが、使用状況等に応じて任意に設定可能である。 Each of the plurality of sheets 61 is composed of a thin sheet that is bendable and deformable. For example, each sheet 61 is formed with a plate thickness of 0.2 to 0.3 mm. The number of laminated sheets 61 is preferably 3 or more, but can be arbitrarily set according to usage conditions and the like.
　本実施例１のシート６１は、樹脂製の樹脂シートである。シート６１を構成する樹脂は、ＰＥ（Ｐｏｌｙｅｔｈｙｌｅｎｅ）、ＰＰ（Ｐｏｌｙｐｒｏｐｙｌｅｎｅ）等の耐熱性、機械的強度に優れたポリオレフィン樹脂であるのが好ましい。例えば、複数のシート６１のうち、電線２０に最も近い内側と電線２０から最も離れた外側の両シート６１ＡをＰＥで構成し、両シート６１Ａ間に積層される中間側のシート６１ＢをＰＰで構成するようにすれば、コストパフォーマンスに優れて、より好ましい。シート６１を構成する樹脂としては、ポリオレフィン樹脂以外の樹脂、例えば、ポリアミド樹脂やポリエステル樹脂であっても良く、さらに、熱可塑性エラストマ等のエラストマであっても良い。 The sheet 61 of Example 1 is a resin sheet made of resin. The resin forming the sheet 61 is preferably a polyolefin resin such as PE (Polyethylene) or PP (Polypropylene), which has excellent heat resistance and mechanical strength. For example, of the plurality of sheets 61, both the inner sheet 61A closest to the electric wire 20 and the outer sheet 61A farthest from the electric wire 20 are made of PE, and the intermediate sheet 61B laminated between the two sheets 61A is made of PP. If it does, it is excellent in cost performance and is more preferable. The resin forming the sheet 61 may be resin other than polyolefin resin, such as polyamide resin or polyester resin, or may be elastomer such as thermoplastic elastomer.
　また、シート６１は、柔軟部６３と、柔軟部６３よりも剛性の高い剛体部６４と、を有している。柔軟部６３と剛体部６４は、ワイヤハーネス１０の配索方向に隣り合うように交互に並んで配置されている。 The seat 61 also has a flexible portion 63 and a rigid portion 64 having higher rigidity than the flexible portion 63 . The flexible portions 63 and the rigid portions 64 are alternately arranged so as to be adjacent to each other in the wiring direction of the wire harness 10 .
　柔軟部６３は、各シート６１が互いに独立した状態で積層されている部分である。ここで、独立とは、各シート６１を互いに一体化させる機械的、物理的、化学的な処理が行われておらず、各シート６１が互いに固定されていない状態で存在していることを言う。各シート６１は、板厚方向で互いに離れていても良いが、板厚方向で互いに接触しているのが好ましく、板厚方向で面接触した状態で接触しているのがより好ましい。柔軟部６３は、ワイヤハーネス１０の経路を維持する剛性を有するものの、例えば、人手によって曲げ変形可能な柔軟性を有している。よって、柔軟部６３は、ワイヤハーネス１０の経路において湾曲して配索される部分に設置されていると良く、本実施例１の場合、図１に示すように、車両９０の前側および後側で湾曲して立ち上がる部分に設置されている。 The flexible portion 63 is a portion where the sheets 61 are laminated independently of each other. Here, "independent" means that the sheets 61 are not fixed to each other without being mechanically, physically or chemically processed to integrate the sheets 61 with each other. . The sheets 61 may be separated from each other in the thickness direction, but are preferably in contact with each other in the thickness direction, and more preferably in surface contact with each other in the thickness direction. The flexible portion 63 has rigidity to maintain the path of the wire harness 10, but also has flexibility such that it can be bent and deformed manually, for example. Therefore, the flexible portion 63 is preferably installed at a curved portion of the route of the wire harness 10. In the case of the first embodiment, as shown in FIG. It is installed in the part where it curves and rises.
　剛体部６４は、各シート６１が互いに一体化された状態で積層されている部分である。具体的には、剛体部６４は、各シート６１に機械的、物理的、化学的な処理を施すことで、各シート６１が互いに一体化されている部分である。より具体的には、剛体部６４は、各シート６１が超音波、レーザー、熱プレス等で溶着されて一体化され、且つ剛性が強化された部分になる。剛体部６４においては、各シート６１間に空気層が存在していないので、柔軟部６３よりも板厚を薄くすることができる。また、剛体部６４の板厚は溶着によってより薄くなる。 The rigid body portion 64 is a portion where the sheets 61 are laminated while being integrated with each other. Specifically, the rigid portion 64 is a portion where the sheets 61 are integrated with each other by subjecting the sheets 61 to mechanical, physical, and chemical treatments. More specifically, the rigid portion 64 is a portion in which the sheets 61 are welded together by ultrasonic waves, laser, heat press, or the like, and the rigidity is strengthened. Since there is no air layer between the sheets 61 in the rigid portion 64 , the plate thickness can be made thinner than that in the flexible portion 63 . Also, the plate thickness of the rigid body portion 64 is made thinner by welding.
　積層部６２は、図７に示すように、平面状に展開された状態からシールド部材４０および電線２０を包囲するように巻かれる。これにより、筒状の積層部６２が形成される。また、積層部６２の外周に図示しない粘着テープが巻き付けられ、積層部６２の筒状の形態が留められる。積層部６２の周方向の両端部は互いに重なり合うことができるので、その重なり合う部分の間に接着材等を介在させ、互いに接合させても良い。積層部６２の筒状の形態を留める手段としては、任意の手段を採用することができ、特に限定されない。 As shown in FIG. 7, the laminated portion 62 is wound so as to surround the shield member 40 and the electric wire 20 from a flat unfolded state. As a result, a cylindrical laminated portion 62 is formed. Further, an adhesive tape (not shown) is wrapped around the outer periphery of the laminated portion 62 to hold the tubular shape of the laminated portion 62 . Since both ends of the laminated portion 62 in the circumferential direction can overlap each other, an adhesive or the like may be interposed between the overlapped portions to join them together. Any means can be employed as a means for retaining the cylindrical shape of the laminated portion 62, and is not particularly limited.
　本実施例１の場合、積層部６２の端部は、剛体部６４として構成されている。積層部６２の端部には、図５に示すように、防水部材７０が被せられる。防水部材７０は、積層部６２の端部とコネクタ３０とにまたがって装着されている。防水部材７０としては、筒状のゴムブーツを使用することができる。このゴムブーツは、鍔付きのゴムブーツであるグロメットであっても良い。 In the case of the first embodiment, the end portion of the laminated portion 62 is configured as a rigid portion 64 . The end portion of the laminated portion 62 is covered with a waterproof member 70 as shown in FIG. The waterproof member 70 is attached across the end portion of the laminated portion 62 and the connector 30 . A cylindrical rubber boot can be used as the waterproof member 70 . This rubber boot may be a grommet, which is a rubber boot with a flange.
　防水部材７０の外周には、固定部材８０が装着されている。固定部材８０としては、タイバンド等の結束部材、粘着テープ、クリップを使用することができる。防水部材７０は、積層部６２の端部における剛体部６４と固定部材８０との間に、覆い部７１を有している。 A fixing member 80 is attached to the outer periphery of the waterproof member 70 . As the fixing member 80, a binding member such as a tie band, an adhesive tape, or a clip can be used. The waterproof member 70 has a covering portion 71 between the rigid portion 64 at the end of the laminated portion 62 and the fixing member 80 .
　次に、本実施例１の外装部材６０およびワイヤハーネス１０の製造方法を説明する。
　外装部材６０の製造に際し、複数のシート６１を板厚方向に重ね合わせ、その状態で、剛性が必要とされる部分に、板厚方向に超音波溶接を施し、剛体部６４を形成する。本実施例１の剛体部６４は、各シート６１が筒状に巻かれたときに周方向となる方向に連続して延びるように、帯状に形成される。各シート６１において、剛体部６４と隣り合う部分は、柔軟部６３として構成される。つまり、柔軟部６３を形成するための特別な加工を行う必要はない。これにより、平面状の積層部６２が得られる。 Next, a method of manufacturing the exterior member 60 and the wire harness 10 of the first embodiment will be described.
When manufacturing the exterior member 60 , a plurality of sheets 61 are superimposed in the plate thickness direction, and in this state, ultrasonic welding is applied in the plate thickness direction to a portion requiring rigidity to form a rigid portion 64 . The rigid part 64 of the first embodiment is formed in a band shape so as to extend continuously in the circumferential direction when each sheet 61 is rolled into a cylinder. A portion of each sheet 61 adjacent to the rigid portion 64 is configured as a flexible portion 63 . In other words, no special processing is required to form the flexible portion 63 . Thereby, a planar laminated portion 62 is obtained.
　また、ワイヤハーネス１０の製造に際し、図２に示すように、複数の電線２０の両端部にそれぞれコネクタ３０を接続する。続いて、各電線２０の外周にシールド部材４０を被せつつシールド部材４０の両端部をそれぞれシールドシェル３１の外周に被せる。その状態で、シールド部材４０の両端部にそれぞれ外周側からかしめリング５０を締め付け、図３に示すように、シールド部材４０の両端部をシールドシェル３１に固定する。 Also, when manufacturing the wire harness 10, as shown in FIG. Subsequently, the outer circumference of each electric wire 20 is covered with the shield member 40 , and both ends of the shield member 40 are covered with the outer circumference of the shield shell 31 . In this state, the caulking rings 50 are fastened to both ends of the shield member 40 from the outer peripheral side, and both ends of the shield member 40 are fixed to the shield shell 31 as shown in FIG.
　次いで、図４に示すように、シールド部材４０の外周側に積層部６２を円筒状に巻いて図示しない粘着テープ等で留める。続いて、各電線２０の端部を防水部材７０で覆いつつ、積層部６２の端部とシールドシェル３１とに防水部材７０を被せ付け、さらに、図５に示すように、覆い部７１の外周側に固定部材８０を設置する。その状態で、固定部材８０を覆い部７１に締め付け、防水部材７０を積層部６２の端部に固定する。積層部６２の端部は、剛体部６４で構成されているので、固定部材８０の固定力を安定して受け止めることができる。 Next, as shown in FIG. 4, the laminated portion 62 is cylindrically wound around the outer circumference of the shield member 40 and fastened with an adhesive tape or the like (not shown). Subsequently, while covering the end of each electric wire 20 with the waterproof member 70, the waterproof member 70 is put on the end of the laminated portion 62 and the shield shell 31, and further, as shown in FIG. A fixing member 80 is installed on the side. In this state, the fixing member 80 is tightened to the cover portion 71 to fix the waterproof member 70 to the end portion of the laminated portion 62 . Since the end portion of the laminated portion 62 is composed of the rigid portion 64, the fixing force of the fixing member 80 can be stably received.
　また、積層部６２の端部が剛体部６４によって細径に形成されていて熱伝導性に優れた形態になっているので、図７に示すように、積層部６２の端部の内周を、シールド部材４０を介して各電線２０に接触させることにより、各電線２０の発熱に対する放熱性が向上する。 In addition, since the end portion of the laminated portion 62 is formed to have a small diameter by the rigid portion 64 and has excellent thermal conductivity, the inner circumference of the end portion of the laminated portion 62 is formed as shown in FIG. By contacting each electric wire 20 through the shield member 40, the heat radiation property against the heat generated by each electric wire 20 is improved.
　このようにして形成されたワイヤハーネス１０は、既述したように、車両９０のフロントハーネス１１またはリアハーネス１２として使用可能となる。ワイヤハーネス１０の経路において、例えば、湾曲する部分にはその湾曲形状に応じて湾曲させた柔軟部６３を設置し、直線状に延びる部分にはその直線形状を維持可能な剛体部６４を設置するようにすると良い。特に、剛体部６４がワイヤハーネス１０の垂れ下がりを抑制することができるので、ワイヤハーネス１０の径路途中に設置され得る吊り具の個数を減らすことができ、好ましくは無くすことができる。また、吊り具の取り付け位置に対応して剛体部６４を設けることができる。 The wire harness 10 formed in this manner can be used as the front harness 11 or the rear harness 12 of the vehicle 90, as described above. In the route of the wire harness 10, for example, a flexible portion 63 that is curved according to the curved shape is installed in the curved portion, and a rigid portion 64 that can maintain the linear shape is installed in the linearly extending portion. It is good to do so. In particular, since the rigid portion 64 can suppress the hanging of the wire harness 10, the number of hangers that can be installed in the route of the wire harness 10 can be reduced, and preferably eliminated. Further, a rigid body portion 64 can be provided corresponding to the attachment position of the hanger.
　以上説明したように、本実施例１の場合、外装部材６０が複数のシート６１が重ね合されている積層部６２を備え、積層部６２が柔軟部６３と剛体部６４とを有し、柔軟部６３が互いに独立して設けられているシート６１で構成され、剛体部６４が各シート６１を一体化させて構成されている。このため、外装部材６０は、部品点数を増加させることなく、簡単な構造で、柔軟性と剛性を兼ね備えることができる。 As described above, in the case of the first embodiment, the exterior member 60 has the laminated portion 62 in which a plurality of sheets 61 are laminated, and the laminated portion 62 has the flexible portion 63 and the rigid portion 64, and the flexible portion The portion 63 is composed of the sheets 61 provided independently of each other, and the rigid portion 64 is composed of the sheets 61 integrated. Therefore, the exterior member 60 can have both flexibility and rigidity with a simple structure without increasing the number of parts.
　また、防水部材７０が積層部６２の端部とコネクタ３０との間に架け渡して設けられることにより、積層部６２の端部とコネクタ３０との間に水が入り込むのを防止することができる。 In addition, since the waterproof member 70 is provided so as to span between the end portion of the laminated portion 62 and the connector 30 , it is possible to prevent water from entering between the end portion of the laminated portion 62 and the connector 30 . .
　さらに、シールドシェル３１が防水部材７０の内側でシールド部材４０の端部に電気的に接続されているから、シールド部材４０の端部とシールドシェル３１との接続部分に水が付着するのを防止することができ、接続信頼性を確保することができる。 Furthermore, since the shield shell 31 is electrically connected to the end of the shield member 40 inside the waterproof member 70, water is prevented from adhering to the connecting portion between the end of the shield member 40 and the shield shell 31. and the connection reliability can be ensured.
　＜実施例２＞
　本実施形態の実施例２は、図８に示すように、積層部６２Ｆを構成する複数のシート６１Ｆのうち、１枚のシートが導電性シート６１Ｃになっており、この点が実施例１とは異なる。 <Example 2>
In Example 2 of the present embodiment, as shown in FIG. 8, one of the plurality of sheets 61F forming the laminated portion 62F is a conductive sheet 61C, which is different from Example 1. is different.
　導電性シート６１Ｃは、複数のシート６１Ｆのうち、巻かれたときに電線２０に最も近い側になる内周側に配置されている。この導電性シート６１Ｃは、樹脂製の樹脂シート６１Ｄと、樹脂シート６１Ｄの両面のうちの内周側に位置する内面に設けられた金属箔６１Ｅと、を有して構成されている。樹脂シート６１Ｄは、実施例１のシート６１と同様である。積層部６２Ｆを構成する複数のシート６１Ｆのうち、導電性シート６１Ｃ以外のシートは、樹脂シート６１Ｄで構成されている。 The conductive sheet 61C is arranged on the inner peripheral side of the plurality of sheets 61F, which is the side closest to the electric wire 20 when wound. The conductive sheet 61C includes a resin sheet 61D made of resin and a metal foil 61E provided on the inner surface of both surfaces of the resin sheet 61D located on the inner peripheral side. The resin sheet 61D is the same as the sheet 61 of the first embodiment. Of the plurality of sheets 61F forming the laminated portion 62F, the sheets other than the conductive sheet 61C are made of resin sheets 61D.
　金属箔６１Ｅは、金箔、銀箔、銅箔、アルミ箔等であって、樹脂シート６１Ｄよりも薄い厚みを有している。金属箔６１Ｅは、樹脂シート６１Ｄの内周側の内面に、二色成形、熱接合等の接合手段によって貼り合わされている。接合手段としては、樹脂シート６１Ｄの内面と金属箔６１Ｅとの間に接着材や粘着テープ等の接着層を設けても良い。 The metal foil 61E is gold foil, silver foil, copper foil, aluminum foil, or the like, and has a thinner thickness than the resin sheet 61D. The metal foil 61E is bonded to the inner surface of the resin sheet 61D on the inner peripheral side by a bonding means such as two-color molding or thermal bonding. As a joining means, an adhesive layer such as an adhesive material or an adhesive tape may be provided between the inner surface of the resin sheet 61D and the metal foil 61E.
　製造に際し、各電線２０を内側に配しつつ積層部６２Ｆが筒状に巻かれると、導電性シート６１Ｃが積層部６２Ｆの内周側に配置されるとともに、金属箔６１Ｅが各電線２０側に露出して配置される。ここで、金属箔６１Ｅは、電磁波のシールド性能を有し、実施例１のシールド部材４０と同様の機能を発揮することができる。このため、本実施例２においては、図９に示すように、ワイヤハーネス１０から編組等のシールド部材が省略されている。もっとも、シールド性能の向上を図るため、金属箔６１Ｅとともに編組等のシールド部材を用いても良い。 In manufacturing, when the laminated portion 62F is rolled into a cylinder while the electric wires 20 are arranged inside, the conductive sheet 61C is arranged on the inner peripheral side of the laminated portion 62F, and the metal foil 61E is arranged on the electric wire 20 side. placed exposed. Here, the metal foil 61E has electromagnetic wave shielding performance and can exhibit the same function as the shield member 40 of the first embodiment. Therefore, in the second embodiment, a shield member such as a braid is omitted from the wire harness 10, as shown in FIG. However, in order to improve the shield performance, a shield member such as braid may be used together with the metal foil 61E.
　このように、本実施例２によれば、外装部材６０がシールド性能を備えることができる。特に、導電性シート６１Ｃは、樹脂シート６１Ｄに金属箔６１Ｅを貼り合わせてなるため、全体を金属製とする場合に比べ、柔軟性が高められる。 Thus, according to the second embodiment, the exterior member 60 can have shielding performance. In particular, since the conductive sheet 61C is formed by bonding the metal foil 61E to the resin sheet 61D, the flexibility is enhanced compared to the case where the whole is made of metal.
　また、導電性シート６１Ｃが積層部６２Ｆの内周側に配置され、さらに樹脂シート６１Ｄの内面に金属箔６１Ｅが設けられているので、外部干渉物と金属箔６１Ｅとの干渉を回避することができる。 In addition, since the conductive sheet 61C is arranged on the inner peripheral side of the laminated portion 62F, and the metal foil 61E is provided on the inner surface of the resin sheet 61D, it is possible to avoid interference between the external interference and the metal foil 61E. can.
　＜実施例３＞
　本実施形態の実施例３は、図１０に示すように、積層部６２Ｇを構成する全部のシート６１Ｇが導電性シート６１Ｃになっており、この点が実施例２とは異なる。 <Example 3>
Example 3 of the present embodiment differs from Example 2 in that, as shown in FIG. 10, all the sheets 61G constituting the laminated portion 62G are conductive sheets 61C.
　導電性シート６１Ｃは、実施例２と同様の構造であり、樹脂シート６１Ｄと、樹脂シート６１Ｄの内面に設けられた金属箔６１Ｅと、を有して構成されている。積層部６２Ｇが筒状に巻かれた状態で、積層部６２Ｇの外周には導電性シート６１Ｃの樹脂面が露出し、積層部６２Ｇの内周には導電性シート６１Ｃの金属箔６１Ｅが露出する。なお、柔軟部６３と剛体部６４は、樹脂シート６１Ｄと金属箔６１Ｅを含みつつ、積層部６２Ｇの板厚方向に連続して形成されている。 The conductive sheet 61C has a structure similar to that of the second embodiment, and includes a resin sheet 61D and a metal foil 61E provided on the inner surface of the resin sheet 61D. With the laminated portion 62G rolled into a cylindrical shape, the resin surface of the conductive sheet 61C is exposed on the outer periphery of the laminated portion 62G, and the metal foil 61E of the conductive sheet 61C is exposed on the inner periphery of the laminated portion 62G. . The flexible portion 63 and the rigid portion 64 are formed continuously in the plate thickness direction of the laminated portion 62G while including the resin sheet 61D and the metal foil 61E.
　積層部６２Ｇの端部においては、図１１に示すように、各導電性シート６１Ｃのうち、相対的に外周側に位置する導電性シート６１Ｃの端部が相対的に内周側に位置する導電性シート６１Ｃの端部よりも板面方向（図１１の右方向）に突き出るように形成されている。つまり、積層部６２Ｇの端部においては、各導電性シート６１Ｃ毎に段差６５が形成され、全体として階段状の積層構造になっている。各導電性シート６１Ｃが段状に積層されているため、各導電性シート６１Ｃのそれぞれの金属箔６１Ｅは、積層部６２Ｇの端部において、いずれも内周側に露出することになる。したがって、各導電性シート６１Ｃのそれぞれの金属箔６１Ｅは、積層部６２Ｇの端部において、いずれもシールドシェル等のアース用の接続部材３５に電気的に接続可能な状態になる。 At the end of the laminated portion 62G, as shown in FIG. 11, among the conductive sheets 61C, the end of the conductive sheet 61C located relatively on the outer peripheral side is the conductive sheet 61C located relatively on the inner peripheral side. It is formed so as to protrude in the plate surface direction (to the right in FIG. 11) from the end of the elastic sheet 61C. In other words, at the end of the laminated portion 62G, a stepped portion 65 is formed for each conductive sheet 61C to form a stepped laminated structure as a whole. Since the conductive sheets 61C are laminated stepwise, the metal foils 61E of the conductive sheets 61C are all exposed to the inner peripheral side at the end of the laminated portion 62G. Therefore, each metal foil 61E of each conductive sheet 61C becomes electrically connectable to the ground connecting member 35 such as a shield shell at the end of the laminated portion 62G.
　実施例３によれば、積層部６２Ｇを構成する全部のシート６１Ｇが導電性シート６１Ｃとして構成されるため、導電性シート６１Ｃを１つの品番で共用することができ、汎用性を高めることができる。 According to the third embodiment, since all the sheets 61G constituting the laminated portion 62G are configured as the conductive sheets 61C, the conductive sheets 61C can be shared by one product number, and versatility can be enhanced. .
　また、実施例３においては、各導電性シート６１Ｃの端部に形成された金属箔６１Ｅをいずれも接続部材３５に電気的に接続させることができるので、シールド性能を向上させることができる。 In addition, in Example 3, the metal foils 61E formed at the ends of the conductive sheets 61C can all be electrically connected to the connection member 35, so that the shielding performance can be improved.
　＜実施例４＞
　本実施形態の実施例４は、図１２に示すように、積層部６２Ｈを構成する複数のシート６１Ｈのうち、内周側に位置する２枚以上の一部のシートが導電性シート６１Ｃになっており、この点が実施例３とは異なる。本実施例４の場合、導電性シート６１Ｃは、積層部６２Ｈにおいて、最も内周側に位置する１枚と、その上に積層される１枚との２枚で構成されている。積層部６２Ｈにおいて、外周側に位置する２枚のシートは樹脂シート６１Ｄで構成されている。 <Example 4>
In Example 4 of the present embodiment, as shown in FIG. 12, of the plurality of sheets 61H forming the laminated portion 62H, two or more of the sheets located on the inner peripheral side are partially formed into conductive sheets 61C. , which is different from the third embodiment. In the case of the present embodiment 4, the conductive sheet 61C is composed of two sheets, one located on the innermost peripheral side and another sheet laminated thereon in the lamination portion 62H. In the laminated portion 62H, the two sheets positioned on the outer peripheral side are composed of resin sheets 61D.
　導電性シート６１Ｃの構造は、実施例２および実施例３と同様である。また、図示はしないが、各導電性シート６１Ｃは、実施例３と同様、積層部６２Ｈの端部において段状に積層されており、それぞれの金属箔６１Ｅが内周側に露出して配置されている。 The structure of the conductive sheet 61C is the same as in the second and third embodiments. Moreover, although not shown, the conductive sheets 61C are laminated in a stepped manner at the end of the laminated portion 62H, similarly to the third embodiment, and the metal foils 61E are arranged so as to be exposed on the inner peripheral side. ing.
　実施例４によれば、仮に、複数の導電性シート６１Ｃのうち、一部の導電性シート６１Ｃの金属箔６１Ｅに破断などの不具合が生じたとしても、残りの導電性シート６１Ｃによってシールド性能を確保することができる。 According to the fourth embodiment, even if the metal foil 61E of some of the conductive sheets 61C among the plurality of conductive sheets 61C is broken, the remaining conductive sheets 61C can provide shielding performance. can be secured.
［本開示の他の実施形態］
　今回開示された実施形態はすべての点で例示であって制限的なものではないと考えるべきである。
　実施形態の実施例１～４の場合、ワイヤハーネスは車両のバッテリとモータとの間に設けられていた。しかし、他の実施形態として、ワイヤハーネスは、車両の適宜な部位に設けられていれば良い。また、ワイヤハーネスは、実施例１で例示した電気自動車等の自動車に限らず、他の形式の自動車に搭載されるものであっても良く、さらに、車両に限らず、電気部品同士を接続する配索路に広く適用可能である。
　実施形態の実施例１～４の場合、積層部は外導部材の全部を構成していた。しかし、他の実施形態として、積層部は外装部材の一部を構成するものであっても良い。
　実施形態の実施例２～４の場合、導電性シートは樹脂シートと金属箔とで構成されていた。しかし、他の実施形態として、導電性シートは全体が導電部材で構成されていても良い。
　実施形態の実施例１～４の場合、金属箔は樹脂シートの内面に設けられていた。しかし、他の実施形態として、金属箔は樹脂シートの外面にも設けられていても良い。 [Other embodiments of the present disclosure]
It should be considered that the embodiments disclosed this time are illustrative in all respects and not restrictive.
In Examples 1 to 4 of the embodiment, the wire harness was provided between the battery and the motor of the vehicle. However, as another embodiment, the wire harness may be provided at an appropriate portion of the vehicle. Moreover, the wire harness is not limited to the automobile such as the electric automobile exemplified in the first embodiment, and may be mounted in other types of automobiles. Widely applicable to cabling routes.
In Examples 1 to 4 of the embodiment, the laminated portion constituted the entire outer conductor member. However, as another embodiment, the laminated portion may constitute a part of the exterior member.
In Examples 2 to 4 of the embodiment, the conductive sheet was composed of a resin sheet and a metal foil. However, as another embodiment, the conductive sheet may be entirely composed of a conductive member.
In Examples 1 to 4 of the embodiment, the metal foil was provided on the inner surface of the resin sheet. However, as another embodiment, the metal foil may also be provided on the outer surface of the resin sheet.
　１０…ワイヤハーネス
　１１…フロントハーネス
　１２…リアハーネス
　２０…電線
　２１…芯線
　２２…被覆
　３０…コネクタ
　３１…シールドシェル
　３５…接続部材
　４０…シールド部材
　５０…かしめリング
　６０…外装部材
　６１，６１Ｆ，６１Ｇ，６１Ｈ…シート
　６１Ａ…外側の両シート
　６１Ｂ…中間側のシート
　６１Ｃ…導電性シート
　６１Ｄ…樹脂シート
　６１Ｅ…金属箔
　６２，６２Ｆ，６２Ｇ，６２Ｈ…積層部
　６３…柔軟部
　６４…剛体部
　６５…段差
　７０…防水部材
　７１…覆い部
　８０…固定部材
　９０…車両
　９１…フロントモータ
　９２…バッテリ
　９３…リアモータ DESCRIPTION OF SYMBOLS 10... Wire harness 11... Front harness 12... Rear harness 20... Electric wire 21... Core wire 22... Coating 30... Connector 31... Shield shell 35... Connection member 40... Shield member 50... Crimping ring 60... Exterior member 61, 61F, 61G, 61H... Sheet 61A... Both outer sheets 61B... Intermediate sheet 61C... Conductive sheet 61D... Resin sheet 61E... Metal foil 62, 62F, 62G, 62H... Laminated part 63... Flexible part 64... Rigid part 65... Step 70 ...Waterproof member 71...Cover part 80...Fixing member 90...Vehicle 91...Front motor 92...Battery 93...Rear motor

Claims (10)

  1. 　電線を覆う外装部材であって、
    　複数のシートが重ね合されている積層部を備え、
    　前記積層部は、複数の前記シートが互いに独立して設けられている柔軟部と、複数の前記シートが一体化された剛体部と、を有している、外装部材。     An exterior member that covers an electric wire,
    A laminating part in which a plurality of sheets are superimposed,
    An exterior member, wherein the laminated portion has a flexible portion in which a plurality of the sheets are provided independently of each other, and a rigid portion in which the plurality of the sheets are integrated.
  2. 　複数の前記シートのうち、少なくとも１枚は、導電性シートである、請求項１に記載の外装部材。 The exterior member according to claim 1, wherein at least one of the plurality of sheets is a conductive sheet.
  3. 　前記導電性シートは、前記積層部において、前記電線側となる内周側に配置されている、請求項２に記載の外装部材。 The exterior member according to claim 2, wherein the conductive sheet is arranged on the inner peripheral side of the laminated portion on the electric wire side.
  4. 　前記導電性シートは、前記積層部に複数設けられている、請求項２又は請求項３に記載の外装部材。 The exterior member according to claim 2 or 3, wherein a plurality of said conductive sheets are provided in said laminated portion.
  5. 　前記導電性シートは、前記積層部を構成する複数の前記シートの全部である、請求項２から請求項４のいずれか一項に記載の外装部材。 The exterior member according to any one of claims 2 to 4, wherein the conductive sheet is all of the plurality of sheets forming the laminated portion.
  6. 　前記導電性シートは、樹脂製の樹脂シートに金属箔を設けたものである、請求項２から請求項５のいずれか一項に記載の外装部材。 The exterior member according to any one of claims 2 to 5, wherein the conductive sheet is a resin sheet provided with a metal foil.
  7. 　複数の前記導電性シートは、それぞれの端部において、前記電線側となる内周側にそれぞれの前記金属箔が露出するように段状に積層されている、請求項６に記載の外装部材。 The exterior member according to claim 6, wherein the plurality of conductive sheets are laminated in a stepped manner so that the respective metal foils are exposed on the inner peripheral side on the wire side at each end.
  8. 　請求項１から請求項７のいずれか一項に記載の外装部材と、
    　前記電線と、
    　前記電線の端部に設けられるコネクタと、
    　前記外装部材の端部と前記コネクタとを覆う防水部材と、を備えているワイヤハーネス。     The exterior member according to any one of claims 1 to 7;
    the electric wire;
    a connector provided at an end of the electric wire;
    A wire harness, comprising: a waterproof member covering an end portion of the exterior member and the connector.
  9. 　前記外装部材の内側に位置して前記電線を覆うシールド部材をさらに備え、
    　前記コネクタは、前記防水部材の内側で前記シールド部材の端部に電気的に接続されるシールドシェルを有している、請求項８に記載のワイヤハーネス。     further comprising a shield member located inside the exterior member and covering the electric wire;
    9. The wire harness according to claim 8, wherein said connector has a shield shell electrically connected to an end of said shield member inside said waterproof member.
  10. 　前記防水部材を前記外装部材に固定する固定部材をさらに備え、
    　前記防水部材は、前記外装部材の前記剛体部を覆う覆い部を有し、
    　前記固定部材は、前記覆い部の外周に装着されている、請求項８または請求項９に記載のワイヤハーネス。     Further comprising a fixing member for fixing the waterproof member to the exterior member,
    The waterproof member has a covering portion that covers the rigid portion of the exterior member,
    10. The wire harness according to claim 8, wherein said fixing member is attached to the outer periphery of said covering portion.
PCT/JP2022/014899 2021-05-21 2022-03-28 Exterior member and wire harness WO2022244478A1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6017812A (en) * 1983-07-11 1985-01-29 日立電線株式会社 Method of coating shielding layer of double shielded wire
JP2014204485A (en) * 2013-04-02 2014-10-27 株式会社オートネットワーク技術研究所 Wiring harness
WO2015005173A1 (en) * 2013-07-08 2015-01-15 矢崎総業株式会社 Wire harness
JP2017225207A (en) * 2016-06-13 2017-12-21 住友電装株式会社 Wire harness outer covering device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6017812A (en) * 1983-07-11 1985-01-29 日立電線株式会社 Method of coating shielding layer of double shielded wire
JP2014204485A (en) * 2013-04-02 2014-10-27 株式会社オートネットワーク技術研究所 Wiring harness
WO2015005173A1 (en) * 2013-07-08 2015-01-15 矢崎総業株式会社 Wire harness
JP2017225207A (en) * 2016-06-13 2017-12-21 住友電装株式会社 Wire harness outer covering device

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