WO2023190054A1 - Faisceau de câbles - Google Patents

Faisceau de câbles Download PDF

Info

Publication number
WO2023190054A1
WO2023190054A1 PCT/JP2023/011571 JP2023011571W WO2023190054A1 WO 2023190054 A1 WO2023190054 A1 WO 2023190054A1 JP 2023011571 W JP2023011571 W JP 2023011571W WO 2023190054 A1 WO2023190054 A1 WO 2023190054A1
Authority
WO
WIPO (PCT)
Prior art keywords
wire
core wire
electric wire
single core
electric
Prior art date
Application number
PCT/JP2023/011571
Other languages
English (en)
Japanese (ja)
Inventor
駿佑 長野
亮 黒石
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 WO2023190054A1 publication Critical patent/WO2023190054A1/fr

Links

Images

Classifications

    • 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
    • H02G15/00—Cable fittings
    • H02G15/08—Cable junctions
    • H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable

Definitions

  • the present disclosure relates to a wire harness.
  • wire harnesses used in vehicles such as hybrid cars and electric cars include electric wire members that electrically connect electrical devices such as high-voltage batteries and inverters (see, for example, Patent Document 1).
  • This type of electric wire member is constructed by connecting core wires of a plurality of electric wires.
  • An object of the present disclosure is to provide a wire harness that can be easily assembled into a vehicle.
  • the wire harness of the present disclosure is a wire harness that is routed in a vehicle, and includes one or more electric wire members, and the electric wire member includes one single core wire made of a single conductor and a length of the single core wire.
  • the electric wire member includes one single core wire made of a single conductor and a length of the single core wire.
  • a plurality of first electric wires electrically connected to a first end in the longitudinal direction; one second electric wire electrically connected to a second end in the longitudinal direction of the single core wire; It has a first connection part to which the core wire and the plurality of first electric wires are connected, and a second connection part to which the single core wire and the second electric wire are connected, and the single core wire is connected to the second electric wire. It has higher bending rigidity than electric wire.
  • the wire harness of the present disclosure it is possible to improve the ease of assembly into a vehicle.
  • FIG. 1 is a schematic configuration diagram showing a wire harness according to an embodiment.
  • FIG. 2 is a schematic cross-sectional view showing a wire harness of one embodiment.
  • FIG. 3 is a schematic cross-sectional view (cross-sectional view taken along the line 3-3 in FIG. 2) showing a wire harness of one embodiment.
  • FIG. 4 is a schematic perspective view showing the wire harness of one embodiment.
  • FIG. 5 is a schematic cross-sectional view (cross-sectional view taken along the line 5-5 in FIG. 2) showing the wire harness of one embodiment.
  • FIG. 6 is a schematic cross-sectional view (cross-sectional view taken along the line 6-6 in FIG. 2) showing the wire harness of one embodiment.
  • FIG. 7 is a schematic cross-sectional view (cross-sectional view taken along the line 7-7 in FIG. 2) showing a wire harness of one embodiment.
  • FIG. 8 is a schematic cross-sectional view showing a modified example of the wire harness.
  • the wire harness of the present disclosure is a wire harness that is wired in a vehicle, and includes one or more electric wire members, and the electric wire member includes one single-core wire made of a single conductor and the single-core wire. A plurality of first electric wires electrically connected to a first end in the length direction of the core wire, and one second electric wire electrically connected to a second end in the length direction of the single core wire.
  • the bending rigidity is higher than that of the second electric wire.
  • the single core wire provided in the longitudinally intermediate portion of the electric wire member is formed to have higher bending rigidity than the second electric wire.
  • the shape can be easily maintained by the single core wire itself. That is, the shape of the single core wire can be maintained without providing a structure for increasing rigidity separately from the single core wire.
  • the route of the wire harness in the portion constituted by the single-core wire can be maintained using only the single-core wire. Therefore, the wire harness including the electric wire member can be assembled into the vehicle without separately providing a structure for increasing the rigidity of the single-core wire. Therefore, the ease of assembling the wire harness to the vehicle can be improved compared to the case where it is necessary to separately provide a structure for increasing rigidity.
  • Each of the plurality of first electric wires has a first core wire made of a plurality of metal wires, and a first insulation coating that surrounds the outer periphery of the first core wire and has insulation properties
  • the second The electric wire has a second core wire made of a plurality of metal strands, and a second insulation coating that surrounds the outer periphery of the second core wire and has insulation properties
  • the first insulation coating is An end portion of the first core wire exposed from the end portion in the length direction is joined to the first end portion of the single core wire, and at the second connection portion, the end portion in the length direction of the second insulation coating is joined to the first end portion of the single core wire.
  • each of the first electric wire and the second electric wire has better flexibility than the single core wire.
  • each of the first electric wire and the second electric wire has better flexibility than a single core wire. Therefore, for example, by providing the first electric wire and the second electric wire at the ends of the wire harness in the length direction, it is possible to easily perform a connection operation with a connection target such as an electric device. In other words, it is possible to improve the workability of connecting to the connection target.
  • a cylindrical covering member that covers at least from the first connection portion to the end of the first insulation coating and has insulation properties. According to this configuration, the area from the first connection part where the single core wire and the first core wire are connected to the end of the first insulation coating is covered with the covering member. Thereby, the first core wire exposed from the first insulation coating can be covered with the covering member. Therefore, the insulation reliability in the first connection portion and the first electric wire can be improved.
  • the covering member covers the lengthwise end of the first insulation covering to the lengthwise end of the second insulation covering, and the covering member covers the outer periphery of the single core wire. It is preferable to cover the entire length in the longitudinal direction. According to this configuration, the length from the lengthwise end of the first insulation sheath to the lengthwise end of the second insulation sheath is covered with the covering member, and the outer periphery of the single core wire extends over the entire length in the lengthwise direction. Covered by a covering member. Thereby, the first core wire exposed from the first insulation coating, the second core wire exposed from the second insulation coating, and the single core wire can be covered with the coating member. Therefore, the insulation reliability of the first electric wire, the first connection portion, the single core wire, the second connection portion, and the second electric wire can be improved.
  • Each of the plurality of first electric wires includes a first individual shield member that surrounds the outer periphery of the first insulation coating and has electrical conductivity, and a first individual shield member that surrounds the outer periphery of the first individual shield member and has electrical conductivity.
  • the second electric wire has a second individual shield member that surrounds the outer periphery of the second insulation coating and has conductivity, and a second individual shield member that surrounds the outer periphery of the second individual shield member and has insulation properties. It is preferable that the covering member is formed to expose the first individual shield member and to expose the second individual shield member.
  • the covering member is formed so as to expose the first individual shield member of the first electric wire and to expose the second individual shield member of the second electric wire. That is, the covering member is formed so as not to cover the first individual shield member and the second individual shield member. Therefore, for example, even if the first individual shield member and the second individual shield member are composed of a member having a mesh such as a braided wire, the inner circumferential surface of the covering member and the first insulating covering and the second insulating covering It is possible to suppress the formation of a gap between the outer circumferential surface of As a result, the waterproof property of the covering member can be improved.
  • the end of the first individual shield member is exposed from the end of the first sheath and has a first exposed part that is folded back to surround the outer periphery of the end of the first sheath.
  • the end of the second individual shield member is exposed from the end of the second sheath and has a second exposed part that is folded back to surround the outer periphery of the end of the second sheath.
  • the covering member covers an outer peripheral surface of an end of the first insulating coating exposed from the first exposed portion and the first sheath, and is exposed from the second exposed portion and the second sheath. It is preferable that the outer circumferential surface of the end portion of the second insulating coating is coated.
  • the outer circumferential surface of the first insulation coating exposed from the first individual shield member is covered with the coating member, and the outer circumference surface of the second insulation coating exposed from the second individual shield member is covered with the coating member.
  • the single core wire has a rectangular cross section perpendicular to the length direction of the single core wire, and has a pair of long side surfaces including the long sides of the rectangle and a pair of short sides including the short sides of the rectangle. It is preferable that it is formed into a flat plate shape having a short side surface. According to this configuration, the single core wire is formed into a flat plate shape having a rectangular cross-sectional shape and having a pair of long side surfaces and a pair of short side surfaces. Therefore, the electric wire member can be downsized in the short side direction of the single core wire. As a result, the wire harness can be made thinner in the short side direction of the single core wire.
  • the plurality of first electric wires may be joined to one long side surface of the pair of long side surfaces, and the second electric wire may be joined to the one long side surface.
  • a plurality of first electric wires and a plurality of second electric wires are joined to one long side surface. Therefore, the direction in which the single-core wire and the first electric wire overlap can be matched with the direction in which the single-core wire and the second electric wire overlap, and the direction in which the single-core wire and the first and second electric wires overlap can be set in one direction.
  • the plurality of electric wire members each include the single core wire, the plurality of first electric wires, the second electric wire, the first connection portion, and the second electric wire member.
  • each of the plurality of single core wires included in the plurality of electric wire members has a rectangular cross-sectional shape perpendicular to the length direction of the single core wire, and includes a long side of the rectangle. It is formed into a flat plate shape having a pair of long side surfaces and a pair of short side surfaces including the short sides of the rectangle, and the plurality of single core wires are arranged side by side so that the long side surfaces face each other.
  • the plurality of single core wires included in the plurality of electric wire members are provided so that their long sides face each other.
  • the plurality of first connection portions of the plurality of electric wire members are provided at positions shifted from each other in the length direction of the electric wire member, and the plurality of second connections of the plurality of electric wire members are provided at positions shifted from each other in the length direction of the electric wire member. It is preferable that the portions are provided at positions shifted from each other in the length direction of the electric wire member. According to this configuration, the plurality of first connection portions of the plurality of electric wire members are provided at positions shifted from each other in the length direction of the electric wire member, and the plurality of second connection portions of the plurality of electric wire members are provided at positions shifted from each other in the length direction of the electric wire member. are provided at positions offset from each other in the length direction.
  • the plurality of first connection portions which are portions that increase in size when the single core wire and the first electric wire overlap, are provided so as not to overlap with each other. Therefore, it is possible to suppress the wire harness from increasing in size in the direction in which the plurality of single core wires are lined up.
  • the plurality of second connection portions which are portions that increase in size when the single core wire and the second electric wire overlap, are provided so as not to overlap with each other. Therefore, it is possible to suppress the wire harness from increasing in size in the direction in which the plurality of single core wires are lined up.
  • the cylindrical member surrounds the outer periphery of the single core wire and has conductivity, and the cylindrical member surrounds the outer periphery of the first connecting portion and the outer periphery of the second connecting portion.
  • the outer periphery of the single core wire, the outer periphery of the first connecting portion, and the outer periphery of the second connecting portion are surrounded by the conductive cylindrical member.
  • This cylindrical member can suppress radiation of electromagnetic waves from the single core wire, the first connecting portion, and the second connecting portion.
  • opposite in this specification refers to both a case where a member different from the two parts is interposed between the two parts, and a case where nothing is interposed between the two parts. including.
  • the term “cylindrical” refers not only to a structure in which a peripheral wall is formed continuously over the entire circumference, but also to a structure in which a plurality of parts are combined to form a cylinder, or a C-shape in which the circumferential wall is formed continuously over the entire circumference. Including those with a notch in a part.
  • the "cylindrical” shape includes a circle, an ellipse, and a polygon having sharp or rounded corners. Note that the present invention is not limited to these examples, but is indicated by the scope of the claims, and is intended to include all changes within the meaning and scope equivalent to the scope of the claims.
  • the wire harness 10 shown in FIG. 1 is mounted on a vehicle V such as a hybrid vehicle or an electric vehicle, for example.
  • the wire harness 10 electrically connects three or more in-vehicle devices.
  • the on-vehicle device is an electrical device mounted on the vehicle V.
  • the wire harness 10 of this embodiment electrically connects a high voltage battery M1 and a plurality of on-vehicle devices M2 and M3.
  • the wire harness 10 is formed in a long shape so as to extend in the longitudinal direction of the vehicle V.
  • the battery M1 is provided near the rear of the vehicle V, for example.
  • An example of the on-vehicle device M2 is an inverter installed in front of the vehicle V rather than the battery M1.
  • Battery M1 is, for example, a high-voltage battery that can supply a voltage of 100 volts or more.
  • the on-vehicle device M2 serving as an inverter is connected to, for example, a wheel drive motor (not shown) that serves as a power source for running the vehicle.
  • the inverter generates AC power from DC power from battery M1 and supplies the AC power to the motor.
  • the in-vehicle device M3 is, for example, an electric device such as an air conditioner or a DC/DC converter.
  • DC power is supplied to the on-vehicle device M3 from the battery M1.
  • DC power is distributed and supplied from the battery M1 to the plurality of on-vehicle devices M2 and M3.
  • the in-vehicle devices M2 and M3 are provided in a vehicle interior such as an engine room, for example.
  • the side of the wire harness 10 in the length direction closer to the battery M1 is referred to as the rear
  • the side of the wire harness 10 in the length direction closer to the in-vehicle devices M2 and M3 is referred to as the front.
  • the end of each member located on the battery M1 side is referred to as a rear end
  • the end of each member located on the vehicle equipment M2, M3 side is referred to as a front end.
  • the wire harness 10 includes one or more electric wire members 20 that electrically connect the battery M1 and the two vehicle-mounted devices M2 and M3, and an exterior member 70 that surrounds the outer periphery of the electric wire member 20.
  • the wire harness 10 of this embodiment has two electric wire members 20.
  • each electric wire member 20 has one single core wire 21.
  • the single core wire 21 has a front end (first end) which is one end in the length direction of the single core wire 21 and a rear end (second end) which is the other end in the length direction of the single core wire 21.
  • Each electric wire member 20 includes two or more (in this embodiment, two) electric wires 31 and 32 connected to the front end of the single-core wire 21 and one electric wire connected to the rear end of the single-core wire 21. 41.
  • Each electric wire member 20 includes a first connecting portion 51 to which the single-core wire 21 and the plurality of electric wires 31 and 32 are connected, a second connecting portion 52 to which the single-core wire 21 and the electric wire 41 are connected, and a covering member 60. have.
  • Each electric wire member 20 is formed by electrically connecting electric wires 31 and 32 of different types, a single core wire 21, and an electric wire 41 in the length direction of the electric wire member 20.
  • the exterior member 70 includes, for example, a cylindrical member 71 surrounding the outer periphery of the single core wire 21, a waterproof member 81, and a waterproof member 82.
  • the wire harness 10 includes, for example, a connector C1 attached to the rear end of the electric wire 41, a connector C2 attached to the front end of the electric wire 31, and a connector C2 attached to the front end of the electric wire 32. It has a connector C3.
  • the rear end of the electric wire 41 is electrically connected to the battery M1 via the connector C1, and the front end of the electric wire 41 is electrically connected to the rear end of the single core wire 21.
  • the front end of the electric wire 31 is electrically connected to the in-vehicle device M2 via the connector C2, and the rear end of the electric wire 31 is electrically connected to the front end of the single-core wire 21.
  • the battery M1 and the vehicle-mounted device M2 are electrically connected through the connector C1, the electric wire 41, the single-core wire 21, the electric wire 31, and the connector C2.
  • the front end of the electric wire 32 is electrically connected to the vehicle equipment M3 via the connector C3, and the rear end of the electric wire 32 is electrically connected to the front end of the single core wire 21.
  • the battery M1 and the vehicle-mounted device M3 are electrically connected through the connector C1, the electric wire 41, the single-core wire 21, the electric wire 32, and the connector C3.
  • one electric wire 41 and single core wire 21 branches into two or more electric wires 31 and 32 at the intermediate portion in the length direction of the electric wire member 20.
  • DC power supplied from the battery M1 is distributed to the plurality of electric wires 31 and 32, and is supplied to the on-vehicle devices M2 and M3 through these electric wires 31 and 32.
  • the single core wire 21 and the electric wire 41 function as a main electric wire
  • the electric wires 31 and 32 function as branch electric wires (branch electric wires).
  • the electric wires 31, 32, and 41 are, for example, high-voltage electric wires that can handle high voltage and large current.
  • the single core wire 21 is provided at the middle portion of the electric wire member 20 in the length direction.
  • the single core wire 21 is formed to have higher bending rigidity than the electric wire 41, for example.
  • the single core wire 21 is formed to have higher bending rigidity than each of the electric wires 31 and 32, for example.
  • the single core wire 21 has, for example, a rigidity that allows it to maintain its shape along the wiring route of the wire harness 10.
  • the single core wire 21 has such rigidity that, when mounted on the vehicle V, the straight or bent state is not released due to vibrations of the vehicle V or the like.
  • a metal material such as copper or aluminum can be used as the material of the single core wire 21, for example.
  • the single core wire 21 consists of a single conductor.
  • a columnar conductor made of a single columnar metal rod with a solid interior, a cylindrical conductor with a hollow interior, or the like can be used.
  • the single-core wire 21 of the present embodiment is a flat columnar conductor made of one prismatic (for example, rectangular parallelepiped) metal rod with a solid structure inside.
  • the single core wire 21 is formed in a long shape so as to extend in the longitudinal direction of the vehicle V.
  • the single core wire 21 of this embodiment is formed into a flat plate shape.
  • the single core wire 21 is formed to extend in the length direction (axial direction) and in the width direction perpendicular to the length direction, and has a predetermined thickness in the thickness direction perpendicular to the length direction and the width direction. It is a flat member formed as follows.
  • the cross-sectional shape of the single-core wire 21 cut by a plane perpendicular to the length direction of the single-core wire 21, that is, the cross-sectional shape of the single-core wire 21 is, for example, formed in a flat shape.
  • the "flat shape" includes, for example, a rectangle or an oval shape.
  • a “rectangle” in this specification has long sides and short sides, and excludes squares. Furthermore, the term “rectangle” in this specification includes a shape with chamfered edges and a shape with rounded edges. Note that in FIG. 4, only some members of the wire harness 10 are illustrated.
  • the cross-sectional shape of the single core wire 21 of this embodiment is formed into a rectangle.
  • the cross-sectional shape of the single core wire 21 is, for example, formed into the same rectangular shape over the entire length of the single core wire 21 in the longitudinal direction.
  • the single core wire 21 has four end faces: a pair of long side surfaces 22 including the long sides of the rectangle, and a pair of short side surfaces 23 including the short sides of the rectangle.
  • the pair of long side surfaces 22 and the pair of short side surfaces 23 are formed to extend over the entire length of the single core wire 21 in the longitudinal direction.
  • Each long side surface 22 has a larger surface area per unit length of the single core wire 21 than each short side surface 23.
  • the plurality of single core wires 21 included in the plurality of electric wire members 20 are arranged in a line along a direction intersecting the length direction of the electric wire members 20.
  • the plurality of single core wires 21 are provided, for example, in a line along a direction (vertical direction in the figure) orthogonal to the length direction of the electric wire member 20.
  • the plurality of single core wires 21 are arranged, for example, so that their long side surfaces 22 face each other.
  • the long side surface 22 of one single core wire 21 and the long side surface 22 of the other single core wire 21 are provided so as to face each other.
  • the long side surface 22 of one single core wire 21 and the long side surface 22 of the other single core wire 21 are provided, for example, so as to extend parallel to each other.
  • Each of the electric wires 31 and 32 shown in FIG. 2 has better flexibility than the single core wire 21, for example.
  • Each of the electric wires 31 and 32 has better flexibility than the single core wire 21, for example.
  • the electric wires 31 and 32 have higher flexibility than the single core wire 21, for example.
  • Each of the electric wires 31 and 32 has a first core wire 33 made of a plurality of metal wires, and a first insulating coating 34 that surrounds the outer periphery of the first core wire 33 and has insulation properties.
  • Each of the electric wires 31 and 32 includes, for example, a cylindrical first individual shield member 35 that surrounds the outer periphery of the first insulating coating 34 and has electrical conductivity, and a cylindrical first individual shield member 35 that surrounds the outer periphery of the first individual shield member 35 and has electrical conductivity. It has a first sheath 36.
  • Each of the electric wires 31 and 32 of this embodiment is a shielded electric wire that has an electromagnetic shielding structure.
  • the first core wire 33 for example, a twisted wire formed by twisting a plurality of metal wires together or a braided wire in which a plurality of metal wires are woven into a cylindrical shape can be used.
  • the first core wire 33 of this embodiment is a twisted wire.
  • a metal material such as copper-based or aluminum-based can be used.
  • the first insulating coating 34 covers the entire outer peripheral surface of the first core wire 33 in the circumferential direction, for example.
  • the first insulating coating 34 is made of, for example, an insulating resin material.
  • the first individual shield member 35 surrounds the outer peripheral surface of the first insulating coating 34 over the entire circumferential direction.
  • the first individual shield member 35 has flexibility, for example.
  • a braided wire in which a plurality of metal wires are woven into a cylindrical shape or metal foil can be used.
  • the first individual shield member 35 of this embodiment is a braided wire.
  • a metal material such as copper-based or aluminum-based can be used.
  • the first sheath 36 for example, surrounds the outer peripheral surface of the first individual shield member 35 over the entire circumferential direction.
  • the first sheath 36 is made of, for example, an insulating resin material.
  • the cross-sectional shape of each of the electric wires 31 and 32 is, for example, circular. Note that the cross-sectional shape of each of the electric wires 31 and 32 is not limited to a circular shape, but can be formed in any shape such as a semicircular shape, a polygonal shape, a square shape, or a flat shape.
  • Each electric wire member 20 has two electric wires 31 and 32. Therefore, the two electric wire members 20 have a total of four electric wires 31 and 32, two electric wires 31 and two electric wires 32.
  • the four electric wires 31 and 32 are provided, for example, in a line in a direction intersecting the length direction of the electric wire member 20.
  • the four electric wires 31 and 32 are arranged in a first direction (vertical direction in the figure) that intersects with the length direction of the electric wire member 20, and in a first direction that intersects with the length direction of the electric wire member 20 and the first direction. They are provided side by side along two directions (left and right directions in the figure).
  • the two electric wires 31 are provided side by side along the first direction.
  • the two electric wires 32 are provided side by side along the first direction.
  • the electric wire 31 and the electric wire 32 are provided side by side along the second direction.
  • the four electric wires 31 and 32 are arranged in rows in the horizontal and vertical directions in the cross section.
  • the first direction in this embodiment corresponds to the direction in which the single core wires 21 (see FIG. 3) are arranged.
  • each first individual shield member 35 has, for example, a first exposed portion 37 exposed from the first sheath 36.
  • a predetermined length of the first sheath 36 is peeled off from the terminal end of the electric wire 31, 32, and the rear end portion of the first individual shield member 35 becomes a first exposed portion 37. exposed.
  • Each first exposed portion 37 is, for example, folded back toward the rear end of the first sheath 36.
  • each first exposed portion 37 is folded back so as to cover the outer periphery of the rear end portion of the first sheath 36 .
  • an underlay member 38 is attached to the outer periphery of the rear end portion of each first sheath 36.
  • the underlay member 38 is individually attached to each of the plurality of electric wires 31, and is also individually attached to each of the plurality of electric wires 32.
  • the underlay member 38 is, for example, a metal ring member.
  • the underlay member 38 is formed, for example, in a ring shape that surrounds the entire outer peripheral surface of the first sheath 36 in the circumferential direction.
  • the first exposed portion 37 is, for example, folded back so as to cover the outer periphery of the underlay member 38. That is, the first exposed portion 37 surrounds the outer periphery of the underlay member 38. As shown in FIG. 5, the first exposed portion 37 surrounds, for example, the outer peripheral surface of the underlay member 38 over the entire circumferential direction.
  • the cross-sectional shape of the portion where the underlay member 38 is provided is such that the first insulation coating 34, the first individual shield member 35, the first sheath 36, the underlay member 38, and the first insulation coating 34, the first individual shield member 35, the first sheath 36, the underlay member 38, and the 1 exposed portion 37 are formed in a stacked structure in this order.
  • the material of the underlay member 38 for example, a copper-based or aluminum-based metal material can be used as the underlay member 38.
  • the two electric wire members 20 have four first exposed portions 37.
  • the four first exposed portions 37 are arranged vertically and horizontally in the cross section, similarly to the four electric wires 31 and 32.
  • the four first exposed portions 37 are provided in a group so that their outer peripheral surfaces are in contact with each other.
  • each electric wire 31, 32 As shown in FIGS. 2 and 4, at the rear end portion of each electric wire 31, 32 provided behind the first exposed portion 37, the rear end portion of the first core wire 33 is exposed from the first insulation coating 34. ing. At the rear end portion of each electric wire 31, 32, a predetermined length of the first insulating coating 34 is peeled off from the terminal end of the electric wire 31, 32, and the rear end portion of the first core wire 33 is exposed. In each first connection portion 51 , the rear end portion of the first core wire 33 in the electric wire 31 and the rear end portion of the first core wire 33 in the electric wire 32 are joined to the front end portion of the single core wire 21 .
  • the first core wire 33 of the electric wire 31 and the first core wire 33 of the electric wire 32 are individually connected in the radial direction, that is, the first core wire 33 and the single core wire with respect to one single core wire 21. 21 are overlapped and joined in a direction intersecting the length direction of 21.
  • two first core wires 33 are individually overlapped and bonded to one long side surface 22 (here, the upper surface) of the single core wire 21.
  • the method of connecting the first core wire 33 and the single core wire 21 is not particularly limited.
  • as a method for connecting the first core wire 33 and the single core wire 21 ultrasonic welding, laser welding, or the like can be used.
  • the two electric wire members 20 have two first connection parts 51.
  • the two first connecting portions 51 are, for example, provided at positions shifted from each other in the length direction of the electric wire member 20. That is, the two first connecting portions 51 are provided at positions that do not overlap with each other in the radial direction of the first core wire 33 and the single core wire 21. In other words, the two first connecting portions 51 are provided at positions that do not overlap with each other in the overlapping direction of the single core wire 21 and the first core wire 33 (vertical direction in the figure).
  • Each electric wire 41 shown in FIGS. 2 and 3 has better flexibility than the single-core wire 21, for example.
  • Each electric wire 41 has better flexibility than the single core wire 21, for example.
  • Each electric wire 41 has higher flexibility than the single core wire 21, for example.
  • Each electric wire 41 has a second core wire 43 made of a plurality of metal wires, and a second insulating coating 44 that surrounds the outer periphery of the second core wire 43 and has insulation properties.
  • Each electric wire 41 includes, for example, a cylindrical second individual shield member 45 that surrounds the outer periphery of the second insulating coating 44 and has electrical conductivity, and a second sheath that surrounds the outer periphery of the second individual shield member 45 and has electrical conductivity. 46.
  • Each electric wire 41 in this embodiment is a shielded electric wire.
  • the second core wire 43 for example, a twisted wire or a braided wire can be used.
  • the second core wire 43 of this embodiment is a twisted wire.
  • a metal material such as copper-based or aluminum-based can be used.
  • the second insulating coating 44 covers the entire outer peripheral surface of the second core wire 43 in the circumferential direction, for example.
  • the second insulating coating 44 is made of, for example, an insulating resin material.
  • the second individual shield member 45 surrounds the outer peripheral surface of the second insulating coating 44 over the entire circumferential direction.
  • the second individual shield member 45 has flexibility, for example.
  • a braided wire or metal foil can be used as the second individual shield member 45.
  • the second individual shield member 45 of this embodiment is a braided wire.
  • a metal material such as copper-based or aluminum-based can be used as the material of the second individual shield member 45.
  • the second sheath 46 for example, surrounds the outer peripheral surface of the second individual shield member 45 over the entire circumferential direction.
  • the second sheath 46 is made of, for example, an insulating resin material.
  • each electric wire 41 is, for example, circular. Note that the cross-sectional shape of each electric wire 41 is not limited to a circular shape, but can be formed in any shape such as a semicircular shape, a polygonal shape, a square shape, or a flat shape.
  • each electric wire member 20 has one electric wire 41. Therefore, the two electric wire members 20 have two electric wires 41.
  • the two electric wires 41 are provided side by side in a direction intersecting the length direction of the electric wire member 20.
  • the two electric wires 41 are arranged, for example, along the direction in which the plurality of single core wires 21 are lined up (vertical direction in the figure).
  • the front end portion of the second individual shield member 45 has, for example, a second exposed portion 47 exposed from the second sheath 46.
  • a predetermined length of the second sheath 46 is peeled off from the end of the electric wire 41, and the front end of the second individual shield member 45 is exposed as a second exposed portion 47.
  • Each second exposed portion 47 is, for example, folded back toward the front end of the second sheath 46.
  • the second exposed portion 47 is, for example, folded back so as to cover the outer periphery of the front end portion of the second sheath 46.
  • an underlay member 48 is attached to the outer periphery of the front end portion of the second sheath 46.
  • the underlay member 48 is, for example, individually attached to each of the plurality of electric wires 41.
  • the underlay member 48 is, for example, a metal ring member.
  • the underlay member 48 is formed, for example, in a ring shape that surrounds the entire outer peripheral surface of the second sheath 46 in the circumferential direction.
  • the second exposed portion 47 is, for example, folded back so as to cover the outer periphery of the underlay member 48. That is, the second exposed portion 47 surrounds the outer periphery of the underlay member 48. As shown in FIG. 6, the second exposed portion 47 surrounds, for example, the outer peripheral surface of the underlay member 48 over the entire circumferential direction.
  • the cross-sectional shape of the portion where the underlay member 48 is provided is such that the second insulation coating 44, the second individual shield member 45, the second sheath 46, the underlay member 48, and the second insulation coating 44, the second individual shield member 45, the second sheath 46, the underlay member 48, and the It is formed in a structure in which two exposed parts 47 are laminated in order.
  • the material of the underlay member 48 for example, a copper-based or aluminum-based metal material can be used as the material of the underlay member 48.
  • each electric wire 41 provided ahead of the second exposed portion 47 the front end of the second core wire 43 is exposed from the second insulating coating 44.
  • a predetermined length of the second insulation coating 44 is peeled off from the end of the electric wire 41, and the front end of the second core wire 43 is exposed.
  • the front end portion of the second core wire 43 exposed from the second insulation coating 44 and the rear end portion of the single core wire 21 are joined.
  • the second core wire 43 and the single core wire 21 are overlapped and joined in the radial direction, that is, in a direction intersecting the length direction of the second core wire 43 and the single core wire 21.
  • each second core wire 43 is superposed and joined to the long side surface 22 (here, the upper surface) of the single core wire 21.
  • the first core wire 33 of the electric wires 31 and 32 is joined to the front end of one long side surface 22 of each single core wire 21, and A second core wire 43 of the electric wire 41 is joined to the rear end portion of the long side surface 22 . That is, the first core wire 33 of the electric wires 31 and 32 is joined to one long side surface 22 of the pair of long side surfaces 22 of each single core wire 21, and the second core wire 43 of the electric wire 41 is joined. It is joined.
  • the method of connecting the second core wire 43 and the single core wire 21 is not particularly limited. For example, as a method for connecting the second core wire 43 and the single core wire 21, ultrasonic welding, laser welding, etc. can be used.
  • the two electric wire members 20 have two second connection parts 52.
  • the two second connecting portions 52 are, for example, provided at positions shifted from each other in the length direction of the electric wire member 20. That is, the two second connecting portions 52 are provided at positions that do not overlap with each other in the radial direction of the electric wire 41 and the single core wire 21. In other words, the two second connecting portions 52 are provided at positions that do not overlap with each other in the overlapping direction of the single core wire 21 and the second core wire 43 (vertical direction in the figure).
  • the plurality of single core wires 21 have different lengthwise dimensions, for example.
  • the single-core wire 21 placed on the upper side of the figure is shorter than the single-core wire 21 placed on the lower side of the figure. Therefore, the single core wire 21 on the upper side in the figure is not arranged above the rear end of the single core wire 21 arranged on the lower side in the figure, and the front end of the single core wire 21 arranged on the lower side in the figure.
  • the single core wire 21 on the upper side in the figure is not arranged above the figure. Therefore, it is possible to provide the first connection portion 51 of the electric wire member 20 disposed on the lower side in the figure so as to overlap a part of the single core wire 21 disposed on the upper side in the figure in the length direction of the electric wire member 20. can.
  • the covering member 60 is provided on each of the plurality of wire members 20, for example. Each covering member 60 is formed to cover the outer periphery of the first connecting portion 51 . Each covering member 60 is formed, for example, into a long cylindrical shape. As shown in FIG. 2, each covering member 60 is formed, for example, to cover the first core wire 33 of the electric wires 31, 32 exposed from the first insulating covering 34. Each covering member 60 is formed, for example, to cover at least the rear end portion of the first insulating covering 34 of the electric wires 31 and 32 to the first connecting portion 51. Each covering member 60 is formed, for example, to cover the outer periphery of the single-core wire 21 over the entire length of the single-core wire 21 in the longitudinal direction.
  • Each covering member 60 is formed, for example, to cover the outer periphery of the second connecting portion 52. Each covering member 60 is formed, for example, to cover the second core wire 43 exposed from the second insulating covering 44 . Each covering member 60 is formed, for example, to cover the electric wires 31 and 32 from the rear end of the first insulating sheath 34 to the front end of the second insulating sheath 44. For example, the front end of each sheathing member 60 covers the outer peripheral surface of the rear end of the first insulation sheath 34 of the electric wires 31 and 32, and the rear end of each sheathing member 60 covers the front end of the second insulation sheath 44. It covers the outer peripheral surface of.
  • Each covering member 60 surrounds the outer periphery of the single core wire 21, the outer periphery of the electric wires 31 and 32, and the outer periphery of the electric wire 41 over the entire circumference in the circumferential direction.
  • Each covering member 60 is formed so as to expose the first individual shield member 35 and the second individual shield member 45 of the electric wires 31 and 32, for example.
  • each covering member 60 is formed so as not to cover the outer periphery of the first individual shield member 35 in the electric wires 31 and 32, for example.
  • the covering member 60 is formed, for example, so as not to cover the outer periphery of the second individual shield member 45.
  • Each covering member 60 covers, for example, the outer peripheral surface of the rear end portion of the first insulating covering 34 exposed from the first exposed portion 37 and the first sheath 36, and also The outer circumferential surface of the front end portion of the second insulating coating 44 is coated.
  • the inner circumferential surface of each covering member 60 is formed, for example, so as to be in close contact with the outer circumferential surface of the first insulating coating 34 .
  • the inner circumferential surface of each covering member 60 is formed, for example, so as to be in close contact with the outer circumferential surface of the second insulating coating 44 .
  • the inner circumferential surface of each covering member 60 is formed, for example, so as to be in close contact with the outer circumferential surface of the single core wire 21.
  • each covering member 60 includes, for example, the first connecting portion 51, the second connecting portion 52, the single core wire 21, the first core wire 33 exposed from the first insulation coating 34, and the second insulation coating 44 exposed from the second insulation coating 44. It has a function of maintaining electrical insulation between the second core wire 43 and the second core wire 43 .
  • each covering member 60 includes, for example, the first connecting portion 51, the second connecting portion 52, the single core wire 21, the first core wire 33 exposed from the first insulation coating 34, and the exposed from the second insulation coating 44. It has a function of waterproofing the second core wire 43.
  • the covering member 60 for example, a shrink tube, a rubber tube, a resin mold, a hot melt adhesive, or a tape member can be used.
  • the covering member 60 of this embodiment is a heat shrinkable tube.
  • a material for the covering member 60 for example, a synthetic resin whose main component is a polyolefin resin such as crosslinked polyethylene or crosslinked polypropylene can be used.
  • the cylindrical member 71 is formed, for example, into a long cylindrical shape. A plurality of electric wire members 20 are accommodated in the inner space of the cylindrical member 71 .
  • the cylindrical member 71 is formed to surround the entire outer periphery of the plurality of electric wire members 20 in the circumferential direction.
  • the cylindrical member 71 is formed, for example, so as to surround only a portion of the electric wire member 20 in the length direction, here only the outer periphery of the intermediate portion.
  • the cylindrical member 71 surrounds the outer periphery of the single core wire 21 in the length direction of each electric wire member 20.
  • the cylindrical member 71 surrounds the outer periphery of each single core wire 21 over the entire length of the single core wire 21 in the longitudinal direction.
  • the cylindrical member 71 surrounds the outer periphery of the first connecting portion 51 and the outer periphery of the second connecting portion 52 in the length direction of each electric wire member 20.
  • the cylindrical member 71 surrounds the outer periphery of the rear end portion of the first insulation coating 34 of the electric wires 31 and 32 in the length direction of each electric wire member 20, and also surrounds the front end portion of the second insulation coating 44 of the electric wire 41. It surrounds the outer periphery of.
  • the cylindrical member 71 is formed, for example, in the length direction of each electric wire member 20 so as to expose the first individual shield member 35 of the electric wires 31 and 32 and to expose the second individual shield member 45.
  • the first individual shield members 35 in the electric wires 31 and 32 are arranged outside the cylindrical member 71.
  • the second individual shield member 45 is arranged outside the cylindrical member 71.
  • the cylindrical member 71 of this embodiment is a conductive shield pipe.
  • a metal pipe can be used.
  • a metal material such as copper-based or aluminum-based can be used.
  • the cylindrical member 71 which is a shield pipe, has an electromagnetic shielding function that suppresses radiation of electromagnetic waves from the electric wire member 20, for example.
  • the cross-sectional shape of the cylindrical member 71 can be any shape.
  • the cross-sectional shape of the cylindrical member 71 is, for example, circular, semicircular, polygonal, square, or flat.
  • the cross-sectional shape of the cylindrical member 71 can be set to correspond to the cross-sectional shape of the single core wire 21, for example.
  • the cylindrical member 71 of this embodiment has a rectangular cross-sectional shape. That is, the cylindrical member 71 of this embodiment is formed into a rectangular tube shape whose inner and outer circumferences have quadrangular cross-sections.
  • the cylindrical member 71 can be formed by extrusion molding, for example.
  • the cylindrical member 71 has a constant cross-sectional shape over the entire length of the cylindrical member 71 in the longitudinal direction (axial direction).
  • the wire harness 10 includes, for example, a cylindrical first shield member 91 having conductivity and a cylindrical second shield member 92 having conductivity.
  • the wire harness 10 includes, for example, a connecting member 93 that connects the front end of the first shield member 91 to the first individual shield member 35, and a connecting member 93 that connects the rear end of the first shield member 91 to the front end of the cylindrical member 71. It has a connecting member 94.
  • the wire harness 10 includes, for example, a connecting member 95 that connects the rear end of the second shield member 92 to the second individual shield member 45, and a connecting member 95 that connects the front end of the second shield member 92 to the rear end of the cylindrical member 71. It has a connecting member 96.
  • Each of the first shield member 91 and the second shield member 92 has flexibility, for example.
  • a braided wire or metal foil can be used as the first shield member 91 and the second shield member 92.
  • the first shield member 91 and the second shield member 92 of this embodiment are each a braided wire.
  • a metal material such as copper-based or aluminum-based can be used.
  • connecting members 93, 94, 95, and 96 for example, a caulking ring, a binding band, or a tape member can be used.
  • the connecting members 93, 94, 95, 96 of this embodiment are caulking rings.
  • the material of the caulking ring for example, iron-based, aluminum-based, or copper-based metal materials can be used.
  • the first shield member 91 is, for example, formed in a long cylindrical shape.
  • the first shield member 91 is formed, for example, to surround the outer periphery of a portion of the plurality of electric wire members 20 that is exposed from the first individual shield member 35 and the cylindrical member 71.
  • the first shield member 91 is formed to span between the first exposed portion 37 of the electric wires 31 and 32 and the front end of the cylindrical member 71, for example, in the length direction of the electric wire member 20.
  • the first shield member 91 is formed, for example, to collectively surround the outer periphery of the plurality of electric wires 31 and 32 provided between the first exposed portion 37 and the cylindrical member 71.
  • a front end portion which is one end portion in the axial direction (lengthwise direction) of the first shield member 91, is formed to cover the outer periphery of the first exposed portion 37 in the electric wires 31 and 32, for example.
  • the front end portion of the first shield member 91 is formed, for example, so as to collectively surround the outer periphery of a plurality of (four in this embodiment) first exposed portions 37.
  • the front end portion of the first shield member 91 is provided, for example, so as to overlap the underlay member 38 in the radial direction of the electric wire member 20.
  • the first shield member 91 surrounds the outer periphery of the plurality of electric wire members 20 over the entire circumferential direction. As shown in FIG.
  • the rear end which is the other axial end of the first shield member 91, is formed to surround the outer periphery of the front end of the cylindrical member 71, for example.
  • the first shield member 91 surrounds, for example, the entire outer circumference of the cylindrical member 71 in the circumferential direction.
  • the connecting member 93 connects the front end of the first shield member 91 to the outer periphery of the electric wires 31 and 32, for example, with the front end of the first shield member 91 in contact with the first exposed portion 37. fixed to the surface.
  • the connecting member 93 is attached to the outer peripheral surface of the underlay member 38, for example.
  • the connecting member 93 is formed, for example, in a ring shape along the outer peripheral surface of the plurality of underlay members 38.
  • the connecting member 93 is fitted on the outside of the underlay member 38 in such a manner that the front end portion of the first shield member 91 and the first exposed portion 37 are sandwiched between the connecting member 93 and the outer peripheral surface of the underlay member 38 .
  • the front end portion of the first shield member 91 is in direct contact with the outer peripheral surface of the plurality of first exposed portions 37, and the outer periphery of the electric wires 31, 32 is tightened. is fixed.
  • the front end of the first shield member 91 is in direct partial contact with all four first exposed portions 37 .
  • all four first exposed portions 37 are in direct contact with the first shield member 91, respectively.
  • the first shield member 91 is electrically and mechanically connected to the plurality of first exposed parts 37.
  • the plurality of first exposed portions 37 are bundled so as to be in contact with each other.
  • the outer circumferential surface of each first exposed portion 37 is in direct partial contact with the outer circumferential surface of an adjacent first exposed portion 37 .
  • the connecting member 94 connects the rear end of the first shield member 91 into a cylindrical shape, for example, with the rear end of the first shield member 91 in contact with the outer peripheral surface of the cylindrical member 71. It is fixed to the outer peripheral surface of the member 71.
  • the connecting member 94 is attached to the outer peripheral surface of the cylindrical member 71.
  • the connecting member 94 is formed, for example, in a ring shape along the outer peripheral surface of the cylindrical member 71.
  • the connecting member 94 of this embodiment is formed into a square tube shape.
  • the connecting member 94 is fitted on the outside of the cylindrical member 71 in such a manner that the rear end portion of the first shield member 91 is sandwiched between the connecting member 94 and the outer peripheral surface of the cylindrical member 71 .
  • the connecting member 94 By tightening the connecting member 94 radially inward of the cylindrical member 71 , the rear end portion of the first shield member 91 is in direct contact with the outer periphery of the cylindrical member 71 . is fixed. Thereby, the first shield member 91 is electrically and mechanically connected to the cylindrical member 71.
  • each first individual shield member 35 is grounded (earth grounded) to a vehicle body panel or the like, for example, through connectors C2 and C3 (see FIG. 1). As a result, the first individual shield member 35, the first shield member 91, and the cylindrical member 71 are grounded.
  • the second shield member 92 is, for example, formed into a long cylindrical shape.
  • the second shield member 92 is formed, for example, to surround the outer periphery of a portion of the plurality of electric wire members 20 that is exposed from the second individual shield member 45 and the cylindrical member 71.
  • the second shield member 92 is formed to span between the second exposed portion 47 and the rear end portion of the cylindrical member 71, for example, in the length direction of the electric wire member 20.
  • the second shield member 92 is formed, for example, to collectively surround the outer periphery of the plurality of electric wires 41 provided between the second exposed portion 47 and the cylindrical member 71.
  • a rear end portion which is one end portion in the axial direction (lengthwise direction) of the second shield member 92, is formed to cover the outer periphery of the second exposed portion 47 of the electric wire 41, for example.
  • the rear end portion of the second shield member 92 is formed to surround the outer periphery of the plurality of second exposed portions 47 all at once, for example.
  • the rear end portion of the second shield member 92 is provided to overlap with the underlay member 48 in the radial direction of the electric wire member 20, for example.
  • the second shield member 92 surrounds the outer periphery of the plurality of electric wire members 20 over the entire circumferential direction. As shown in FIG.
  • the front end which is the other axial end of the second shield member 92, is formed to surround the outer periphery of the rear end of the cylindrical member 71, for example.
  • the second shield member 92 for example, surrounds the entire outer circumference of the cylindrical member 71 in the circumferential direction.
  • the connecting member 95 connects the rear end of the second shield member 92 to the second exposed part with the rear end of the second shield member 92 in contact with the second exposed part 47. It is fixed to the outer peripheral surface of 47.
  • the connecting member 95 is attached to the outer peripheral surface of the underlay member 48, for example.
  • the connecting member 95 is formed, for example, in a ring shape along the outer circumferential surface of the plurality of underlay members 48 .
  • the connecting member 95 is fitted on the outside of the underlay member 48 in such a manner that the rear end portion of the second shield member 92 and the second exposed portion 47 are sandwiched between the connecting member 95 and the outer peripheral surface of the underlay member 48 .
  • the rear end portion of the second shield member 92 is in direct contact with the outer peripheral surface of the plurality of second exposed portions 47, and is attached to the outer periphery of the wire 41. Fixed.
  • the rear end portion of the second shield member 92 is partially in direct contact with all of the two second exposed portions 47 .
  • all of the two second exposed portions 47 are in direct contact with the second shield member 92, respectively.
  • the second shield member 92 is electrically and mechanically connected to the plurality of second exposed portions 47.
  • the plurality of second exposed portions 47 are bundled so as to be in contact with each other.
  • the outer circumferential surface of each second exposed portion 47 is in direct partial contact with the outer circumferential surface of the other second exposed portion 47 .
  • the connecting member 96 is configured by fixing the front end of the second shield member 92 to the outer peripheral surface of the cylindrical member 71 with the front end of the second shield member 92 in contact with the outer peripheral surface of the cylindrical member 71. There is.
  • the connecting member 96 is attached to the outer peripheral surface of the cylindrical member 71.
  • the connecting member 96 is formed in a ring shape along the outer peripheral surface of the cylindrical member 71.
  • the connecting member 96 of this embodiment is formed into a square tube shape.
  • the connecting member 96 is fitted on the outside of the cylindrical member 71, for example, in such a manner that the front end portion of the second shield member 92 is sandwiched between the connecting member 96 and the outer peripheral surface of the cylindrical member 71.
  • the front end of the second shield member 92 is in direct contact with the outer periphery of the cylindrical member 71 . Fixed. Thereby, the second shield member 92 is electrically and mechanically connected to the cylindrical member 71.
  • the second exposed portion 47 that is, the second individual shield member 45
  • the cylindrical member 71 are electrically connected via the second shield member 92.
  • the rear end portion of each second individual shield member 45 is grounded (grounded) to a vehicle body panel or the like through, for example, a connector C1 (see FIG. 1). Thereby, the second individual shield member 45, the second shield member 92, and the cylindrical member 71 are grounded.
  • the wire harness 10 includes, for example, a fixing member 83 that fixes the front end of the waterproof member 81 to the electric wire member 20, and a fixing member 84 that fixes the rear end of the waterproof member 81 to the cylindrical member 71. It has The wire harness 10 includes, for example, a fixing member 85 that fixes the rear end of the waterproof member 82 to the electric wire member 20, and a fixing member 86 that fixes the front end of the waterproof member 82 to the cylindrical member 71.
  • a shrink tube or a rubber tube can be used as the waterproof member 81 and the waterproof member 82.
  • a synthetic resin whose main component is a polyolefin resin such as cross-linked polyethylene or cross-linked polypropylene can be used.
  • the fixing members 83, 84, 85, and 86 for example, a caulking ring, a binding band, or a tape member can be used.
  • the fixing members 83, 84, 85, and 86 of this embodiment are each a binding band.
  • the waterproof member 81 is formed, for example, into a long cylindrical shape.
  • the waterproof member 81 is formed, for example, so as to enclose the outer periphery of the plurality of electric wires 31 and 32 all at once.
  • the waterproof member 81 is formed, for example, to cover the outer periphery of the electric wires 31 and 32 that protrude forward from the front end of the cylindrical member 71.
  • the waterproof member 81 is formed, for example, to cover the outer periphery of the first exposed portion 37.
  • the waterproof member 81 is formed, for example, to cover the outer circumferences of the first shield member 91 and the connecting members 93 and 94.
  • the waterproof member 81 is configured to span between the electric wires 31 and 32 located ahead of the first exposed portion 37 and the outer periphery of the cylindrical member 71 located behind the connecting member 94. It is formed.
  • the front end of the waterproof member 81 covers the electric wires 31 and 32 placed forward of the first exposed portion 37
  • the rear end of the waterproof member 81 covers the electric wires 31 and 32 placed forward of the first exposed portion 37
  • the rear end of the waterproof member 81 covers a tube placed behind the connecting member 94.
  • the outer periphery of the shaped member 71 is covered.
  • the waterproof member 81 surrounds the outer periphery of the electric wire member 20 and the outer periphery of the cylindrical member 71 over the entire circumferential direction.
  • the front end of the waterproof member 81 is bonded, for example, to the outer circumferential surfaces of the electric wires 31 and 32 located forward of the first exposed portion 37 over the entire circumference with an adhesive 87.
  • an adhesive 87 for example, a hot melt adhesive such as polyolefin resin, polyester resin, polyamide resin, etc. can be used.
  • the adhesive 87 seals the space between the outer circumferential surfaces of the electric wires 31 and 32 placed ahead of the first exposed portion 37 and the inner circumferential surface of the waterproof member 81.
  • the adhesive 87 is formed, for example, to fill the gap between the outer peripheral surfaces of the electric wires 31 and 32 and the inner peripheral surface of the waterproof member 81.
  • the adhesive 87 is formed to fill the gaps between the electric wires 31, the gaps between the electric wires 32, and the gaps between the electric wires 31 and 32.
  • the adhesive 87 is in close contact with the inner peripheral surface of the waterproof member 81 over the entire circumferential direction without any gaps, and is in close contact with the outer peripheral surfaces of the respective electric wires 31 and 32 without any gaps over the entire circumferential direction. Thereby, it is possible to suppress liquid such as water from entering the inside of the waterproof member 81 from the front end portion of the waterproof member 81.
  • a fixing member 83 is provided on the outer peripheral surface of the front end of the waterproof member 81.
  • the front end portion of the waterproof member 81 is tightened from the outer peripheral side by a fixing member 83 and fixed to the electric wires 31 and 32.
  • the front end portion of the waterproof member 81 is fixed to the outer circumferential surface of the electric wires 31 and 32 via an adhesive 87, for example, by being tightened radially inward by a fixing member 83.
  • a fixing member 84 is provided on the outer peripheral surface of the rear end of the waterproof member 81.
  • the rear end portion of the waterproof member 81 is fixed to the cylindrical member 71 by being tightened from the outer peripheral side by a fixing member 84 .
  • the rear end portion of the waterproof member 81 is tightened from the outer circumferential side by the fixing member 84 until it comes into close contact with the outer circumferential surface of the cylindrical member 71 in a liquid-tight manner. Thereby, it is possible to suppress liquid such as water from entering the inside of the waterproof member 81 from between the waterproof member 81 and the cylindrical member 71.
  • the waterproof member 82 is formed, for example, into a long cylindrical shape.
  • the waterproof member 82 is formed, for example, to surround the outer periphery of the plurality of electric wires 41 all at once.
  • the waterproof member 82 is formed, for example, to cover the outer periphery of the electric wire 41 that protrudes rearward from the rear end of the cylindrical member 71.
  • the waterproof member 82 is formed to cover the outer periphery of the second exposed portion 47, for example.
  • the waterproof member 82 is formed, for example, to cover the outer circumferences of the second shield member 92 and the connecting members 95 and 96.
  • the waterproof member 82 is formed, for example, to span between the electric wire 41 located behind the second exposed portion 47 and the outer periphery of the cylindrical member 71 located ahead of the connecting member 96. ing.
  • the rear end of the waterproof member 82 covers the electric wire 41 located behind the second exposed portion 47
  • the front end of the waterproof member 82 covers a cylindrical member located ahead of the connecting member 96.
  • the outer periphery of 71 is covered.
  • the waterproof member 82 surrounds the outer periphery of the electric wire member 20 and the outer periphery of the cylindrical member 71 over the entire circumferential direction.
  • the rear end portion of the waterproof member 82 is bonded, for example, to the outer peripheral surface of the electric wire 41 located rearward than the second exposed portion 47 over the entire circumferential direction with an adhesive 88.
  • an adhesive 88 for example, a hot melt adhesive such as polyolefin resin, polyester resin, polyamide resin, etc. can be used.
  • the adhesive 88 seals between the outer circumferential surface of the electric wire 41 located rearward of the second exposed portion 47 and the inner circumferential surface of the waterproof member 82.
  • the adhesive 88 is formed, for example, to fill a gap between the outer peripheral surface of the electric wire 41 and the inner peripheral surface of the waterproof member 82.
  • the adhesive 88 is formed to fill the gaps between the electric wires 41.
  • the adhesive 88 is in close contact with the inner peripheral surface of the waterproof member 82 over the entire circumferential direction without any gaps, and is in close contact with the outer peripheral surface of each electric wire 41 without any gaps over the entire circumferential direction. Thereby, it is possible to suppress liquid such as water from entering the interior of the waterproof member 82 from the rear end portion of the waterproof member 82.
  • a fixing member 85 is provided on the outer peripheral surface of the rear end of the waterproof member 82.
  • the rear end portion of the waterproof member 82 is fastened to the electric wire 41 by a fixing member 85 from the outer circumferential side.
  • the rear end portion of the waterproof member 82 is fixed to the outer circumferential surface of the electric wire 41 via an adhesive 88, for example, by being tightened radially inward by a fixing member 85.
  • a fixing member 86 is provided on the outer peripheral surface of the front end of the waterproof member 82.
  • the front end of the waterproof member 82 is fastened to the cylindrical member 71 by a fixing member 86 from the outer circumferential side.
  • the front end of the waterproof member 82 is tightened from the outer circumferential side by the fixing member 86 until it comes into close contact with the outer circumferential surface of the cylindrical member 71 in a liquid-tight manner. Thereby, it is possible to suppress liquid such as water from entering the inside of the waterproof member 82 from between the waterproof member 82 and the cylindrical member 71.
  • the single core wire 21 provided in the longitudinally intermediate portion of the electric wire member 20 is formed to have higher bending rigidity than the electric wire 41.
  • the shape can be easily maintained by the single core wire 21 itself. That is, the shape of the single core wire 21 can be maintained without providing a structure for increasing the rigidity separately from the single core wire 21.
  • the route of the wire harness 10 in the portion constituted by the single-core wire 21 can be maintained only by the single-core wire 21. Therefore, the wire harness 10 including the electric wire member 20 can be assembled into the vehicle V without separately providing a structure for increasing the rigidity of the single core wire 21. Therefore, the ease of assembling the wire harness 10 to the vehicle V can be improved compared to the case where it is necessary to separately provide a structure for increasing rigidity.
  • Each of the electric wires 31, 32 and the electric wire 41 has better flexibility than the single core wire 21. Therefore, for example, by providing the electric wires 31, 32 and the electric wire 41 at the ends of the wire harness 10 in the length direction, it is possible to easily perform a connection operation with a connection target such as an electric device. In other words, it is possible to improve the workability of connecting to the connection target.
  • the covering member 60 is formed so as to expose the first individual shield member 35 of the electric wires 31 and 32 and to expose the second individual shield member 45 of the electric wire 41. That is, the covering member 60 is formed so as not to cover the first individual shield member 35 and the second individual shield member 45. Therefore, even if the first individual shield member 35 and the second individual shield member 45 are made of members having a mesh such as braided wire, the inner circumferential surface of the covering member 60 and the first insulating covering 34 and It is possible to suppress the formation of a gap with the outer circumferential surface of the second insulating coating 44. As a result, the waterproof property of the covering member 60 can be improved.
  • the plurality of electric wires 31 and 32 and the electric wire 41 are joined to one of the two long side surfaces 22 of the single core wire 21. Therefore, the direction in which the single core wire 21 and the electric wires 31, 32 overlap can be matched with the direction in which the single core wire 21 and the electric wire 41 overlap, and the direction in which the single core wire 21 and the electric wires 31, 32, 41 overlap can be made to match. Can be set in one direction only. As a result, the electric wire member 20 becomes larger in the direction in which the single core wire 21 and the electric wires 31, 32, 41 overlap, compared to a case where the directions in which the single core wire 21 and the electric wires 31, 32, 41 overlap are set in two directions. can be restrained from doing so. For example, compared to the case where the electric wires 31, 32 and the electric wire 41 are joined to different long side surfaces 22, the electric wire member 20 becomes larger in the direction in which the single core wire 21 and the electric wires 31, 32, 41 overlap. It can be suppressed.
  • a plurality of single core wires 21 included in a plurality of electric wire members 20 are provided so that their long side surfaces 22 face each other. For this reason, it is possible to suppress the wire harness 10 from increasing in size in the direction in which the plurality of single core wires 21 are lined up. For example, compared to a case where a plurality of single-core wires 21 are arranged in a line so that the short side surfaces 23 face each other, it is possible to suppress the wire harness 10 from increasing in size in the direction in which the plurality of single-core wires 21 are lined up.
  • the plurality of first connection portions 51 of the plurality of electric wire members 20 are provided at positions shifted from each other in the length direction of the electric wire member 20, and the plurality of second connection portions 52 of the plurality of electric wire members 20 are provided at positions shifted from each other in the length direction of the electric wire member 20. They are provided at positions shifted from each other in the length direction of the electric wire member 20.
  • the plurality of first connecting portions 51 which are portions that increase in size due to overlapping of the single core wire 21 and the electric wires 31 and 32, are provided so as not to overlap with each other. For this reason, it is possible to suppress the wire harness 10 from increasing in size in the direction in which the plurality of single core wires 21 are lined up.
  • the plurality of second connection parts 52 which are portions that become larger when the single core wire 21 and the electric wire 41 overlap, are provided so as not to overlap with each other. For this reason, it is possible to suppress the wire harness 10 from increasing in size in the direction in which the plurality of single core wires 21 are lined up.
  • the outer periphery of the single core wire 21, the outer periphery of the first connecting portion 51, and the outer periphery of the second connecting portion 52 are surrounded by the conductive cylindrical member 71.
  • This cylindrical member 71 can suppress radiation of electromagnetic waves from the single core wire 21, the first connecting portion 51, and the second connecting portion 52.
  • the plurality of first connecting portions 51 are arranged at mutually shifted positions in the length direction of the electric wire member 20, but the present invention is not limited thereto.
  • the plurality of first connecting portions 51 may be arranged side by side in the length direction of the electric wire member 20.
  • the plurality of first connecting portions 51 may be arranged at the same position in the length direction of the electric wire member 20. That is, the plurality of first connecting portions 51 may be provided at positions overlapping each other in the radial direction of the single core wire 21 and the electric wire 31.
  • the plurality of first connecting portions 51 may be provided so as to overlap each other in the overlapping direction of the single core wire 21 and the electric wires 31 and 32 (vertical direction in the figure).
  • the plurality of second connecting portions 52 may be arranged at the same position in the length direction of the electric wire member 20.
  • the lengths of the plurality of single core wires 21 are set to be different from each other, but the present invention is not limited to this.
  • the lengths of the plurality of single core wires 21 may be set to the same length.
  • the first core wire 33 of the electric wires 31 and 32 is joined to one long side surface 22 of one single core wire 21, and the second core wire 43 of the electric wire 41 is joined to one long side surface 22 of one single core wire 21.
  • the first core wire 33 may be joined to one long side surface 22 of one single core wire 21, and the second core wire 43 may be joined to the other long side surface 22.
  • the first core wire 33 of the electric wire 31 is connected to one long side surface 22 of one single core wire 21, and the first core wire 33 of the electric wire 32 is connected to the other long side surface 22. It's okay.
  • first core wire 33 and the second core wire 43 are joined to the long side surface 22 of the single core wire 21, but the present invention is not limited to this.
  • first core wire 33 and the second core wire 43 may be joined to the short side surface 23 of the single core wire 21.
  • the direction in which the plurality of single core wires 21 are arranged is not particularly limited.
  • a plurality of single core wires 21 may be arranged so that the short sides 23 face each other.
  • an insulating coating may be provided to cover the outer periphery of each single core wire 21.
  • the covering member 60 in this case is formed, for example, to cover the outer periphery of an insulating coating that covers the outer periphery of the single core wire 21.
  • the covering member 60 in this case does not need to cover the entire length of the single core wire 21 over the outer periphery of the single core wire 21, for example.
  • the fixing members 83 and 85 in the above embodiment may be omitted.
  • the waterproof member 81 may be omitted.
  • the fixing members 83, 84 and adhesive 87 can be omitted.
  • the waterproof member 82 may be omitted.
  • the fixing members 85, 86 and adhesive 88 can be omitted.
  • the first exposed portion 37 is folded back toward the rear end of the first sheath 36, but it may be changed to a structure in which it is not folded back.
  • the second exposed portion 47 is folded back toward the front end of the second sheath 46, but it may be changed to a structure in which it is not folded back.
  • the underlay members 38 and 48 in the above embodiment may be omitted.
  • the first shield member 91 in the above embodiment may be omitted.
  • the connecting members 93 and 94 can be omitted.
  • the second shield member 92 in the above embodiment may be omitted.
  • the connecting members 95 and 96 can be omitted.
  • the first connecting portion 51 may be arranged outside the cylindrical member 71.
  • the second connecting portion 52 may be arranged outside the cylindrical member 71.
  • two electric wires, the electric wire 31 and the electric wire 32, are connected to the front end of one single core wire 21, but the present invention is not limited to this. For example, three or more electric wires may be connected to the front end of one single core wire 21.
  • the cylindrical member 71 is made into a metal pipe, but it is not limited to this.
  • the cylindrical member 71 may be changed to a cylindrical shield member other than a metal pipe.
  • the cylindrical member 71 may be a member obtained by processing a shield member such as a braided wire into a cylindrical shape.
  • the cylindrical member 71 may be constituted by a corrugated tube and a shield member such as a braided wire surrounding the outer periphery of the corrugated tube.
  • the cylindrical member 71 of the above embodiment may be embodied in an exterior member other than a cylindrical shield member.
  • the cylindrical member 71 may be embodied as a resin pipe, a resin protector, a corrugated tube, or the like.
  • the electric wires 31 and 32 are embodied as shielded electric wires, but the present invention is not limited to this.
  • the wires 31 and 32 may be non-shielded wires that do not have an electromagnetic shielding structure.
  • the electric wire 41 is implemented as a shielded electric wire, but the present invention is not limited to this.
  • the electric wire 41 may be implemented as a non-shielded electric wire.
  • the number of electric wire members 20 that constitute the wire harness 10 of the above embodiment is not particularly limited.
  • the number of electric wire members 20 may be one, or may be three or more.
  • the embodiments disclosed this time should be considered to be illustrative in all respects and not restrictive.
  • the scope of the present invention is indicated by the claims rather than the above-mentioned meaning, and is intended to include meanings equivalent to the claims and all changes within the scope.

Landscapes

  • Insulated Conductors (AREA)
  • Cable Accessories (AREA)

Abstract

Un faisceau de câbles (10) à acheminer dans un véhicule comprend un ou plusieurs éléments de fil électrique (20). Les éléments de fil électrique (20) comprennent : un fil d'âme unique (21) constitué d'un seul conducteur ; une pluralité de premiers fils électriques (31, 32) connectés électriquement à une première extrémité longitudinale du fil d'âme unique ; un second fil électrique (41) connecté électriquement à une seconde extrémité longitudinale du fil d'âme unique ; une première partie de connexion (51) à travers laquelle le fil d'âme unique et la pluralité de premiers fils électriques sont connectés l'un à l'autre ; et une seconde partie de connexion (52) à travers laquelle le fil d'âme unique et le second fil électrique sont connectés l'un à l'autre. Le fil d'âme unique est formé pour avoir une rigidité à la flexion supérieure à celle du second fil électrique.
PCT/JP2023/011571 2022-03-29 2023-03-23 Faisceau de câbles WO2023190054A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022053366A JP2023146268A (ja) 2022-03-29 2022-03-29 ワイヤハーネス
JP2022-053366 2022-03-29

Publications (1)

Publication Number Publication Date
WO2023190054A1 true WO2023190054A1 (fr) 2023-10-05

Family

ID=88202164

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2023/011571 WO2023190054A1 (fr) 2022-03-29 2023-03-23 Faisceau de câbles

Country Status (2)

Country Link
JP (1) JP2023146268A (fr)
WO (1) WO2023190054A1 (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6176005A (ja) * 1984-09-20 1986-04-18 レイケム・コ−ポレイシヨン ケ−ブルの接続方法
JP2000059946A (ja) * 1998-08-07 2000-02-25 Sumitomo Wiring Syst Ltd 電線のスプライス方法および該方向で製造された電線のスプライス構造
JP2016058137A (ja) * 2014-09-05 2016-04-21 住友電装株式会社 導電線及びその配索構造
JP2016186922A (ja) * 2015-03-27 2016-10-27 株式会社オートネットワーク技術研究所 ワイヤハーネスの止水構造
JP2018137134A (ja) * 2017-02-22 2018-08-30 住友電装株式会社 ワイヤハーネス
WO2019142871A1 (fr) * 2018-01-22 2019-07-25 住友電装株式会社 Trajet électroconducteur et faisceau de fils
JP2019212510A (ja) * 2018-06-06 2019-12-12 住友電装株式会社 ワイヤハーネス
JP2020004543A (ja) * 2018-06-26 2020-01-09 住友電装株式会社 ワイヤハーネス
JP2021106210A (ja) * 2019-12-26 2021-07-26 株式会社オートネットワーク技術研究所 ワイヤハーネス
WO2021171968A1 (fr) * 2020-02-25 2021-09-02 株式会社オートネットワーク技術研究所 Élément extérieur et faisceau de câbles

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6176005A (ja) * 1984-09-20 1986-04-18 レイケム・コ−ポレイシヨン ケ−ブルの接続方法
JP2000059946A (ja) * 1998-08-07 2000-02-25 Sumitomo Wiring Syst Ltd 電線のスプライス方法および該方向で製造された電線のスプライス構造
JP2016058137A (ja) * 2014-09-05 2016-04-21 住友電装株式会社 導電線及びその配索構造
JP2016186922A (ja) * 2015-03-27 2016-10-27 株式会社オートネットワーク技術研究所 ワイヤハーネスの止水構造
JP2018137134A (ja) * 2017-02-22 2018-08-30 住友電装株式会社 ワイヤハーネス
WO2019142871A1 (fr) * 2018-01-22 2019-07-25 住友電装株式会社 Trajet électroconducteur et faisceau de fils
JP2019212510A (ja) * 2018-06-06 2019-12-12 住友電装株式会社 ワイヤハーネス
JP2020004543A (ja) * 2018-06-26 2020-01-09 住友電装株式会社 ワイヤハーネス
JP2021106210A (ja) * 2019-12-26 2021-07-26 株式会社オートネットワーク技術研究所 ワイヤハーネス
WO2021171968A1 (fr) * 2020-02-25 2021-09-02 株式会社オートネットワーク技術研究所 Élément extérieur et faisceau de câbles

Also Published As

Publication number Publication date
JP2023146268A (ja) 2023-10-12

Similar Documents

Publication Publication Date Title
CN104254464B (zh) 线束
JP5986812B2 (ja) ワイヤハーネス
WO2012157771A1 (fr) Câble de garde
JP6076318B2 (ja) ワイヤハーネス
JP2011097692A (ja) ワイヤハーネス
US20140284100A1 (en) Wire harness
WO2015178306A1 (fr) Faisceau de fils
US9252575B2 (en) High-voltage conduction path and wiring harness
US20160031393A1 (en) Wire harness
US9758112B2 (en) Wire harness
JP6927953B2 (ja) 外装部材及びワイヤハーネス
JP7063799B2 (ja) ワイヤハーネス
CN103703520A (zh) 线束
JP7463859B2 (ja) ワイヤハーネスユニット
US11192509B2 (en) Wire harness for dissipating heat generated by wires
WO2023190054A1 (fr) Faisceau de câbles
WO2023189984A1 (fr) Faisceau de câbles
JP2017225220A (ja) ワイヤハーネス
JP7480721B2 (ja) ワイヤハーネス
JP7497692B2 (ja) ワイヤハーネス
WO2023238727A1 (fr) Faisceau de câbles
JP2022123750A (ja) ワイヤハーネス
WO2022185947A1 (fr) Premier faisceau de câbles et faisceau de câbles composés
WO2020261932A1 (fr) Faisceau de fils
WO2021251164A1 (fr) Unité de faisceau de câbles

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 23776808

Country of ref document: EP

Kind code of ref document: A1