WO2021182113A1 - Faisceau de fils - Google Patents

Faisceau de fils Download PDF

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Publication number
WO2021182113A1
WO2021182113A1 PCT/JP2021/007006 JP2021007006W WO2021182113A1 WO 2021182113 A1 WO2021182113 A1 WO 2021182113A1 JP 2021007006 W JP2021007006 W JP 2021007006W WO 2021182113 A1 WO2021182113 A1 WO 2021182113A1
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WO
WIPO (PCT)
Prior art keywords
wire
core wire
conductor
recess
flat plate
Prior art date
Application number
PCT/JP2021/007006
Other languages
English (en)
Japanese (ja)
Inventor
智宏 矢橋
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 WO2021182113A1 publication Critical patent/WO2021182113A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/02—Soldered or welded connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/70—Insulation of connections
    • H01R4/72—Insulation of connections using a heat shrinking insulating sleeve
    • 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
    • H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
    • 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

Definitions

  • This disclosure relates to a wire harness.
  • a wire harness having a plurality of electric wires and the core wires of the electric wires being joined to each other is known (see, for example, Patent Document 1).
  • This type of wire harness has a stranded wire having a stranded wire in which a plurality of metal strands are twisted as a core wire, and a single-core wire having a single core wire made of one metal rod as a core wire.
  • a wire exposed portion is provided so that the metal wire is exposed from the insulating coating.
  • a conductor exposed portion is provided so that the single-core wire is exposed from the insulating coating.
  • the exposed conductor portion is provided with a crushed portion formed into a flat plate by crushing a single core wire.
  • the exposed wire portion of the stranded wire is overlapped and joined to the flat portion of the crushed portion in the radial direction of the wire harness or the stranded wire.
  • the connecting portion between the crushed portion of the exposed conductor portion and the exposed portion of the wire is covered with a heat shrinkable tube.
  • the connecting portion between the exposed wire portion and the exposed conductor portion is formed so as to project outward in the radial direction as compared with the other portions.
  • the covering member such as the heat shrink tube
  • An object of the present disclosure is to provide a wire harness capable of suppressing damage to a covering member.
  • the wire harness of the present disclosure includes a first conductor having a recess on the outer surface, a second conductor fitted in the recess and electrically connected to the first conductor, and the first conductor and the second conductor.
  • the second conductor has an embedded portion embedded in the recess and joined to the bottom surface of the recess, and the second conductor is formed continuously with the embedded portion. It has a protruding portion formed so as to project outward from the outer surface.
  • FIG. 1 is a schematic configuration diagram showing a wire harness of one embodiment.
  • FIG. 2 is a schematic cross-sectional view showing a wire harness of one embodiment.
  • FIG. 3 is a schematic cross-sectional view (3-3 line cross-sectional view in FIG. 2) showing an electric wire of one embodiment.
  • FIG. 4 is a schematic exploded perspective view showing an electric wire of one embodiment.
  • FIG. 5 is a schematic cross-sectional view showing a method for manufacturing a wire harness according to an embodiment.
  • FIG. 6 is a schematic cross-sectional view showing a method for manufacturing a wire harness according to an embodiment.
  • FIG. 7 is a schematic cross-sectional view (7-7 line cross-sectional view in FIG. 6) showing a method for manufacturing the wire harness of one embodiment.
  • FIG. 8 is a schematic cross-sectional view showing a method for manufacturing a wire harness according to an embodiment.
  • FIG. 9 is a schematic cross-sectional view showing a method for manufacturing a wire harness according to an embodiment.
  • FIG. 10 is a schematic cross-sectional view showing a method for manufacturing a wire harness according to an embodiment.
  • FIG. 11 is a schematic cross-sectional view showing an electric wire of a modified example.
  • FIG. 12 is a schematic configuration diagram showing a wire harness of a modified example.
  • FIG. 13 is a schematic cross-sectional view showing a conventional method for manufacturing a wire harness.
  • FIG. 14 is a schematic cross-sectional view showing a conventional method for manufacturing a wire harness.
  • FIG. 15 is a schematic cross-sectional view showing a conventional method for manufacturing a wire harness.
  • the wire harness of the present disclosure includes a first conductor having a recess on the outer surface, a second conductor fitted in the recess and electrically connected to the first conductor, the first conductor, and the first conductor. It has a covering member that covers a connecting portion with two conductors, and the second conductor is formed of an embedded portion embedded in the recess and joined to the bottom surface of the recess, and continuously formed with the embedded portion. It has a protruding portion formed so as to project outward from the outer surface.
  • the first conductor and the second conductor are joined in a state where the embedded portion of the second conductor is embedded in the recess of the first conductor. Therefore, it is possible to prevent the connecting portion of the first conductor and the second conductor from becoming larger in the radial direction by the amount that the embedded portion which is a part of the second conductor is embedded in the recess. As a result, it is possible to prevent the step between the outer peripheral surface of the connecting portion of the first conductor and the second conductor and the outer peripheral surface of the other portion from becoming large. As a result, it is possible to prevent damage to the covering member that covers the connecting portions of the first conductor and the second conductor. Therefore, the connecting portion of the first conductor and the second conductor can be suitably protected by the covering member.
  • the protruding portion is formed in a tapered shape that becomes thinner from the embedded portion side toward the protruding tip surface of the protruding portion.
  • the corner portion of the protruding tip portion of the protruding portion protruding outward from the concave portion is formed in a tapered shape. Therefore, even when the covering member comes into contact with the corner of the protruding tip of the protruding portion, it is possible to prevent the covering member from being worn due to the contact. As a result, damage to the covering member can be suppressed.
  • the first conductor is the first core wire of a first electric wire having a first core wire and a first insulating coating that covers the outer periphery of the first core wire
  • the second conductor is a second core wire.
  • the second core wire of the second electric wire having a second insulating coating that covers the outer periphery of the second core wire.
  • the second core wire is more flexible than the first core wire
  • the first core wire is more flexible than the first core wire.
  • the axial end of the first core wire exposed from the insulating coating has a flat plate portion formed in a flat plate shape and the concave portion formed on the outer surface of the flat plate portion, and the concave portion is formed by the concave portion.
  • the axial end surface of the first core wire is formed so as to extend from the axial end surface of the flat plate portion to the axial middle portion of the flat plate portion, and the axial end portion of the second core wire exposed from the second insulating coating is formed. , It is preferable to have the embedded portion and the protruding portion.
  • the recess is formed so as to extend from the axial end face of the first core wire to the axial middle portion of the flat plate portion, a back wall surface is formed at the axial end of the recess. ..
  • the positioning of the second conductor with respect to the first conductor can be easily performed. This makes it possible to improve workability when joining the first conductor and the second conductor.
  • the covering member is formed so as to cover from the end portion of the first insulating coating to the end portion of the second insulating coating. According to this configuration, the end portion of the first core wire exposed from the first insulating coating and the end portion of the second core wire exposed from the second insulating coating can be covered with the covering member. As a result, the connecting portion of the first core wire and the second core wire can be protected by the covering member, and the first core wire and the second core wire exposed from the first insulating coating and the second insulating coating are protected by the covering member. be able to.
  • the covering member preferably has a tubular heat-shrinkable tube and an adhesive provided on the inner peripheral surface of the heat-shrinkable tube.
  • the adhesive formed on the inner peripheral surface of the heat-shrinkable tube can improve the adhesion between the heat-shrinkable tube and the object to be covered by the heat-shrinkable tube.
  • the heat shrinkable tube directly contacts the outer peripheral surface of the connecting portion of the first conductor and the second conductor. Can be suitably suppressed. As a result, damage to the heat-shrinkable tube can be suitably suppressed.
  • the first conductor and the second conductor are joined by ultrasonic welding. According to this configuration, even when the first conductor and the second conductor are joined by ultrasonic welding, it is possible to suppress damage to the covering member.
  • the wire harness 10 shown in FIG. 1 electrically connects two or three or more electric devices (equipment).
  • the wire harness 10 electrically connects an inverter 11 installed at the front of a vehicle V such as a hybrid vehicle or an electric vehicle and a high-pressure battery 12 installed behind the vehicle V from the inverter 11. ..
  • the wire harness 10 is arranged so as to pass under the floor of the vehicle V, for example.
  • the inverter 11 is connected to a wheel drive motor (not shown) that is a power source for traveling the vehicle.
  • the inverter 11 generates AC power from the DC power of the high-voltage battery 12, and supplies the AC power to the motor.
  • the high voltage battery 12 is, for example, a battery capable of supplying a voltage of several hundred volts.
  • the wire harness 10 includes one or a plurality of electric wires (two in the present embodiment), a pair of connectors C1 attached to both ends of the electric wires 20, and an exterior member 25 surrounding the electric wires 20. doing. One end of each electric wire 20 is connected to the inverter 11 via the connector C1, and the other end of each electric wire 20 is connected to the high voltage battery 12 via the connector C1.
  • Each electric wire 20 is, for example, a high-voltage electric wire capable of dealing with a high voltage and a large current.
  • Each electric wire 20 may be, for example, a shielded electric wire having an electromagnetically shielded structure or a non-shielded electric wire having no electromagnetically shielded structure.
  • the exterior member 25 has a long tubular shape as a whole.
  • One or a plurality of electric wires 20 are housed in the internal space of the exterior member 25.
  • the exterior member 25 is formed so as to surround the outer periphery of the plurality of electric wires 20 over the entire circumference in the circumferential direction, for example.
  • the exterior member 25 protects the electric wire 20 housed therein from flying objects and water droplets.
  • a metal or resin pipe, a resin protector, a flexible corrugated tube made of resin or the like, a rubber waterproof cover, or a combination thereof can be used as the exterior member 25, for example, a metal or resin pipe, a resin protector, a flexible corrugated tube made of resin or the like, a rubber waterproof cover, or a combination thereof can be used.
  • each electric wire 20 has, for example, a flexible electric wire 30 and a rigid electric wire 50.
  • Each electric wire 20 is formed by, for example, electrically connecting different types of flexible electric wires 30 and rigid electric wires 50 in the length direction of the electric wires 20.
  • the flexible electric wire 30 is more flexible than the rigid electric wire 50, for example.
  • the flexible electric wire 30 is more flexible than the rigid electric wire 50, for example.
  • the flexible electric wire 30 has higher flexibility than, for example, the rigid electric wire 50.
  • the flexible electric wire 30 has, for example, a core wire 31 made of a conductor and an insulating coating 32 that covers the outer circumference of the core wire 31.
  • a core wire 31 for example, a stranded wire formed by twisting a plurality of metal strands or a braided member in which a plurality of metal strands are woven into a tubular shape can be used.
  • the core wire 31 of this embodiment is a stranded wire.
  • a metal material such as copper-based or aluminum-based can be used.
  • the cross-sectional shape of the core wire 31 cut by a plane orthogonal to the length direction of the core wire 31 can be any shape. That is, the cross-sectional shape of the core wire 31 can be any shape.
  • the cross-sectional shape of the core wire 31 can be formed into, for example, a circular shape, a semicircular shape, a polygonal shape, a square shape, or a flat shape.
  • the cross-sectional shape of the core wire 31 of the present embodiment is formed in a circular shape.
  • the insulating coating 32 covers, for example, the outer peripheral surface of the core wire 31 over the entire circumference in the circumferential direction.
  • the insulating coating 32 is made of an insulating material such as a synthetic resin.
  • a synthetic resin containing a polyolefin resin such as cross-linked polyethylene or cross-linked polypropylene as a main component can be used.
  • the material of the insulating coating 32 one kind of material can be used alone, or two or more kinds of materials can be used in combination as appropriate.
  • the insulating coating 32 can be formed, for example, by extrusion molding (extrusion coating) on the core wire 31.
  • the end portion of the flexible electric wire 30 in the axial direction (length direction) has a wire exposed portion 33 in which the end portion of the core wire 31 is exposed from the insulating coating 32.
  • the wire exposed portion 33 the axial end of the core wire 31 is exposed from the insulating coating 32 by peeling the insulating coating 32 for a certain length from the axial end of the flexible electric wire 30. Is formed.
  • the rigid electric wire 50 is formed to have higher bending rigidity than, for example, the flexible electric wire 30.
  • the rigid electric wire 50 has, for example, rigidity capable of maintaining a shape along the wiring path of the electric wire 20.
  • the rigid electric wire 50 has rigidity such that, for example, when mounted on the vehicle V (see FIG. 1), the linear or bent state is not released by the vibration of the vehicle V or the like. In other words, when the rigid electric wire 50 is arranged in a curved path, the rigid electric wire 50 is bent and the bent shape is maintained.
  • the rigid electric wire 50 has, for example, a core wire 51 made of a conductor and an insulating coating 52 that covers the outer circumference of the core wire 51.
  • the core wire 51 is formed to have higher bending rigidity than, for example, the core wire 31 of the flexible electric wire 30.
  • a columnar conductor made of one columnar metal rod having a solid structure inside, a tubular conductor having a hollow structure inside, or the like can be used. Examples of the columnar conductor include a single core wire and a bass bar.
  • the core wire 51 of this embodiment is a single core wire.
  • a metal material such as copper-based or aluminum-based can be used.
  • the material of the core wire 51 may be, for example, the same type of material as the material of the core wire 31, or a material different from the material of the core wire 31.
  • the core wire 51 is formed by, for example, extrusion molding.
  • the cross-sectional shape of the core wire 51 can be any shape.
  • the cross-sectional shape of the core wire 51 can be formed into, for example, a circular shape, a semicircular shape, a polygonal shape, a square shape, or a flat shape.
  • the cross-sectional shape of the core wire 51 of the present embodiment is formed in a circular shape. That is, the core wire 51 of the present embodiment is formed in a columnar shape.
  • the insulating coating 52 covers, for example, the outer peripheral surface of the core wire 51 over the entire circumference in the circumferential direction.
  • the insulating coating 52 is made of an insulating material such as a synthetic resin.
  • a synthetic resin containing a polyolefin resin such as cross-linked polyethylene or cross-linked polypropylene as a main component can be used.
  • the material of the insulating coating 52 one kind of material can be used alone, or two or more kinds of materials can be used in combination as appropriate.
  • the insulating coating 52 can be formed, for example, by extrusion molding on the core wire 51. Further, as the insulating coating 52, for example, a heat-shrinkable tube or a rubber tube can be used.
  • the end of the rigid electric wire 50 in the axial direction (length direction) has a conductor exposed portion 53 in which the end of the core wire 51 is exposed from the insulating coating 52.
  • the conductor exposed portion 53 is formed by stripping the insulating coating 52 for a certain length from the axial end of the rigid electric wire 50 so that the axial end portion of the core wire 51 is exposed from the insulating coating 52. Has been done.
  • the flat plate portion 60 is formed so as to extend in the axial direction of the core wire 51 and extend in the width direction orthogonal to the axial direction, and has a predetermined thickness in the thickness direction orthogonal to the axial direction and the width direction. ing.
  • the cross-sectional shape of the flat plate portion 60 is formed, for example, into a flat shape.
  • the "flat shape” in the present specification includes, for example, a rectangle or an oval shape.
  • the "rectangle” in the present specification has a long side and a short side, and excludes a square.
  • the "rectangle” in the present specification also includes a shape in which the ridge portion is chamfered and a shape in which the ridge portion is rounded.
  • the cross-sectional shape of the flat plate portion 60 of the present embodiment is formed in a rectangular shape.
  • the long side of the rectangle extends along the width direction of the core wire 51 (horizontal direction in the figure), and the short side of the rectangle extends along the thickness direction of the core wire 51 (vertical direction in the figure). It is formed so as to extend.
  • the flat plate portion 60 has an outer surface 61 formed in a flat shape.
  • the outer surface 61 is, for example, an outer surface of the flat plate portion 60 located on the upper side in the drawing.
  • the outer surface 61 is formed on, for example, a flat surface extending parallel to the axis of the core wire 51.
  • the width dimension of the flat plate portion 60 (dimension in the left-right direction in the drawing) is formed to be larger than the diameter dimension of the other uncrushed portion of the core wire 51, for example.
  • the flat plate portion 60 is formed so as to expand in the width direction with crushing.
  • the flat plate portion 60 is formed with a recess 62 recessed from the outer surface 61 in the thickness direction of the flat plate portion 60.
  • the recess 62 is formed so as to be recessed from the outer surface 61 in the stacking direction of the core wires 31 and 51, for example.
  • the recess 62 is formed so as to extend along the axial direction of the flat plate portion 60, for example.
  • the recess 62 is formed so as to extend from, for example, the axial end surface 60A of the core wire 51 (flat plate portion 60) to the axially intermediate portion of the flat plate portion 60.
  • the recess 62 is formed so as to extend along the width direction of the flat plate portion 60, for example.
  • the recess 62 is formed in, for example, an intermediate portion in the width direction of the flat plate portion 60.
  • the recess 62 has, for example, a bottom surface 62A, a pair of inner side surfaces 62B, and a back wall surface 62C.
  • the bottom surface 62A is formed so as to spread in the axial direction and the width direction of the flat plate portion 60, for example.
  • the bottom surface 62A is formed so as to spread on a plane parallel to the outer surface 61, for example.
  • the pair of inner side surfaces 62B are provided at both ends of the recess 62 in the width direction, for example.
  • Each inner side surface 62B is formed so as to spread in the axial direction and the thickness direction of the flat plate portion 60, for example.
  • Each inner surface 62B is formed so as to spread on a plane orthogonal to the outer surface 61, for example.
  • the back wall surface 62C is provided, for example, at the axial end of the recess 62.
  • the back wall surface 62C is formed so as to spread in the width direction and the thickness direction of the flat plate portion 60, for example.
  • the back wall surface 62C is formed so as to spread on a plane orthogonal to both the outer surface 61 and the inner surface 62B, for example.
  • the dimension in the width direction of the recess 62 that is, the opening width of the recess 62 is formed to be substantially constant over the entire length of the flat plate portion 60 in the axial direction, for example. That is, the recess 62 is formed so that the distance between the pair of inner side surfaces 62B is substantially constant over the entire length of the flat plate portion 60 in the axial direction.
  • the end of the core wire 51 of the rigid electric wire 50 is joined to the end of the core wire 31 of the flexible electric wire 30 in a superposed state.
  • the flat plate portion 60 of the conductor exposed portion 53 is joined in a state in which the wire exposed portion 33, which is the end portion of the core wire 31 exposed from the insulating coating 32, is overlapped.
  • the end portion of the wire exposed portion 33 is joined in a state of being overlapped on the bottom surface 62A of the recess 62 of the flat plate portion 60.
  • the conductor exposed portion 53 and the wire exposed portion 33 are joined, and the core wire 51 and the core wire 31 are electrically connected.
  • ultrasonic welding As a method of joining the core wire 31 and the core wire 51, for example, ultrasonic welding can be used.
  • a resonator called a horn is brought into contact with a part of the object to be bonded (here, core wires 31, 51), ultrasonic vibration is applied to the object to be bonded, and the vibration energy is the object to be bonded.
  • This is a method of welding by utilizing the frictional heat generated at the bonding interface by being applied to the bonding interface between the two.
  • a block portion 40 is formed at the axial end of the wire exposed portion 33.
  • the block portion 40 is formed, for example, by welding metal strands constituting the core wire 31 to form a block.
  • the block portion 40 is joined to the bottom surface 62A of the recess 62.
  • the block portion 40 is not formed on the outer surface 61, for example.
  • the block portion 40 is not joined to, for example, the outer surface 61.
  • the block portion 40 is formed in a rectangular parallelepiped shape as a whole, for example.
  • the thickness dimension of the block portion 40 (dimension in the vertical direction in the drawing) is formed to be smaller than, for example, the diameter dimension of the other portion of the core wire 31.
  • the block portion 40 is formed so as to be centered in the radial direction of the core wire 31, for example.
  • the block portion 40 has an embedded portion 41 embedded in the recess 62, and a protruding portion 42 formed continuously with the embedded portion 41 and protruding outward from the outer surface 61.
  • the embedded portion 41 and the protruding portion 42 are continuously and integrally formed.
  • the embedded portion 41 is formed so as to fill the recess 62, for example. Therefore, the embedded portion 41 has the same structure as the recess 62.
  • the embedded portion 41 is formed in a rectangular parallelepiped shape as a whole, for example.
  • the lower surface of the embedded portion 41 is joined to, for example, the bottom surface 62A of the recess 62.
  • the embedded portion 41 is formed so as to extend over the entire length of the recess 62 in the axial direction, for example.
  • the axial end face of the embedded portion 41 is joined to, for example, the back wall surface 62C of the recess 62. As shown in FIG.
  • the embedded portion 41 is formed so as to extend over the entire length in the width direction of the recess 62, for example. Both side surfaces of the embedded portion 41 in the width direction are joined to, for example, the inner side surface 62B of the recess 62.
  • the projecting portion 42 is formed so as to project from the embedded portion 41 to the outer side in the radial direction (here, upper in the drawing) with respect to the outer surface 61.
  • the protruding portion 42 is formed so as to protrude outward from the recess 62.
  • the protrusion 42 is formed in a rectangular parallelepiped shape as a whole, for example.
  • the projecting portions 42 are provided, for example, at the end faces 42A provided at the end portion (here, the upper end portion) in the thickness direction of the block portion 40 and at both ends in the width direction of the block portion 40. It has a pair of side surfaces 42B and an end surface 42C provided at an axial end portion of the block portion 40.
  • the end face 42A is a protruding tip surface of the protruding portion 42.
  • the end face 42A is formed so as to extend in parallel with the bottom surface 62A of the recess 62, for example.
  • Each side surface 42B is formed so as to extend continuously with, for example, the side surface of the embedded portion 41.
  • Each side surface 42B is formed so as to extend linearly along a direction orthogonal to the outer surface 61, for example.
  • the end face 42C is formed so as to extend continuously with, for example, the end face in the axial direction of the embedded portion 41.
  • the end surface 42C is formed so as to extend linearly along a direction orthogonal to both the outer surface 61 and the side surface 42B, for example.
  • the protruding tip of the protruding portion 42 is formed in a tapered shape, for example.
  • the protruding portion 42 is formed in a tapered shape that becomes thinner from the embedded portion 41 side toward the end surface 42A, which is the protruding tip surface.
  • inclined surfaces 43 and 44 are formed at the corners of the protruding portion 42.
  • the inclined surface 43 is formed at, for example, a corner portion between the end surface 42A and each side surface 42B.
  • the inclined surface 43 is formed so as to be inclined so that the protruding portion 42 becomes thinner from the embedded portion 41 side toward the end surface 42A, for example.
  • the inclined surface 43 is formed so as to be inclined so that the dimension of the protruding portion 42 in the width direction becomes shorter from the embedded portion 41 side toward the end surface 42A, for example.
  • the inclined surface 43 is formed, for example, in a shape in which the corner portions of the end surface 42A and each side surface 42B are C chamfered.
  • the inclined surface 44 is formed at a corner portion between the end surface 42A and the end surface 42C.
  • the inclined surface 44 is formed so as to be inclined so that the protruding portion 42 becomes thinner from the embedded portion 41 side toward the end surface 42A, for example.
  • the inclined surface 44 is formed, for example, in a shape in which the corner portions of the end surface 42A and the end surface 42C are C chamfered.
  • the wire harness 10 has a covering member 70 that covers a connecting portion between the flexible electric wire 30 and the rigid electric wire 50.
  • the covering member 70 is formed, for example, in a long tubular shape.
  • the covering member 70 has a heat-shrinkable tube 71 having a tubular shape, and an adhesive 72 formed on the inner peripheral surface of the heat-shrinkable tube 71.
  • the heat-shrinkable tube 71 is formed as a tubular body, for example, from the state before the connecting portion between the flexible electric wire 30 and the rigid electric wire 50 is arranged inside the covering member 70.
  • the heat-shrinkable tube 71 is obtained, for example, by cooling a resin member formed into a very thin tubular shape by extrusion molding after being stretched into a thick tubular shape in a heated state.
  • the heat-shrinkable tube 71 thus obtained has a shape memory property of shrinking to a thin tubular shape before being stretched when heated.
  • the material of the heat-shrinkable tube 71 for example, synthetic resins such as polyolefin-based, polyester-based, nylon-based, silicon-based, and fluororesin-based can be used.
  • synthetic resins such as polyolefin-based, polyester-based, nylon-based, silicon-based, and fluororesin-based can be used.
  • one kind of material can be used alone, or two or more kinds of materials can be used in combination as appropriate.
  • the adhesive 72 is formed on the inner peripheral surface of the heat-shrinkable tube 71 to a uniform thickness, for example, before the connecting portion between the flexible electric wire 30 and the rigid electric wire 50 is arranged inside the covering member 70. It is formed so as to form a cylinder.
  • the adhesive 72 is formed, for example, over the entire circumference of the inner peripheral surface of the heat-shrinkable tube 71 in the circumferential direction and the entire length in the axial direction.
  • a thermoplastic adhesive can be used.
  • As the adhesive 72 for example, a modified olefin-based or polyester-based hot melt adhesive can be used.
  • the material of the adhesive 72 is preferably, for example, a resin material of the same type as the material constituting the insulating coatings 32 and 52. Further, the material of the adhesive 72 is preferably, for example, a resin material of the same type as the material constituting the heat shrinkable tube 71. As the material of the adhesive 72, one kind of material can be used alone, or two or more kinds of materials can be used in combination as appropriate.
  • the adhesive 72 is, for example, a layer formed by being melted by heating and then cooled and solidified.
  • the heat shrinkable tube 71 is formed so as to cover the connecting portion between the flat plate portion 60 of the conductor exposed portion 53 and the block portion 40 of the wire exposed portion 33.
  • the heat shrinkable tube 71 is formed so as to cover the entire conductor exposed portion 53 and the entire wire exposed portion 33, for example.
  • a step is formed along a step formed by a connecting portion between the flat plate portion 60 and the block portion 40, and a wire exposed portion 33 and a conductor exposed portion 53 other than the connecting portion.
  • the heat-shrinkable tube 71 is provided so as to be bridged between, for example, the end of the insulating coating 32 of the flexible electric wire 30 and the end of the insulating coating 52 of the rigid electric wire 50.
  • the axial first end of the heat shrink tube 71 covers the outer peripheral surface of the end of the insulation coating 32
  • the axial second end of the heat shrink tube 71 is the end of the insulation coating 52. It covers the outer peripheral surface.
  • the first end portion of the heat shrinkable tube 71 is adhered to, for example, the outer peripheral surface of the end portion of the insulating coating 32 by an adhesive 72 over the entire circumference in the circumferential direction.
  • the adhesive 72 adheres to the outer peripheral surface of the end portion of the insulating coating 32 without a gap over the entire circumference in the circumferential direction, and adheres to the inner peripheral surface of the first end portion of the heat shrinkable tube 71 without a gap over the entire circumference in the circumferential direction. doing.
  • the second end portion of the heat shrinkable tube 71 is adhered to, for example, the outer peripheral surface of the end portion of the insulating coating 52 by an adhesive 72 over the entire circumference in the circumferential direction.
  • the adhesive 72 adheres to the outer peripheral surface of the end portion of the insulating coating 52 without a gap over the entire circumference in the circumferential direction, and adheres to the inner peripheral surface of the second end portion of the heat shrinkable tube 71 without a gap over the entire circumference in the circumferential direction. doing.
  • the gap between the heat-shrinkable tube 71 and the insulating coating 32 is closed, and the gap between the heat-shrinkable tube 71 and the insulating coating 52 is closed.
  • the covering member 70 of the present embodiment has a function of insulatingly protecting the connection portion between the flexible electric wire 30 and the rigid electric wire 50, and also has a function of waterproofing the connection portion.
  • the adhesive 72 provides, for example, a gap between the inner peripheral surface of the heat-shrinkable tube 71, the outer peripheral surface of the wire exposed portion 33, and the outer peripheral surface of the conductor exposed portion 53 in the axially intermediate portion of the covering member 70. It is formed to fill.
  • the flexible electric wire 30 and the rigid electric wire 50 are prepared.
  • a wire exposed portion 33 in which the end portion of the core wire 31 is exposed from the insulating coating 32 is formed at the end portion of the flexible electric wire 30.
  • the block portion 40 shown in FIG. 2 is not yet formed on the wire exposed portion 33.
  • a conductor exposed portion 53 in which the end portion of the core wire 51 is exposed from the insulating coating 52 is formed at the end portion of the rigid electric wire 50.
  • a flat plate portion 60 formed by crushing the core wire 51 into a flat plate shape and a recess 62 formed on the outer surface 61 of the flat plate portion 60 are formed.
  • the flat plate portion 60 and the recess 62 can be formed by, for example, press working.
  • the wire exposed portion 33 is superposed on the flat plate portion 60. Specifically, the wire exposed portion 33 is inserted into the recess 62 of the flat plate portion 60. At this time, the wire exposed portion 33 can be positioned with respect to the flat plate portion 60 by bringing the axial end surface of the wire exposed portion 33 into contact with the back wall surface 62C of the recess 62. By this step, as shown in FIGS. 6 and 7, the wire exposed portion 33 is superposed on the bottom surface 62A of the recess 62 of the conductor exposed portion 53.
  • the superposed conductor exposed portion 53 and the wire exposed portion 33 are placed on the anvil 90 of the ultrasonic welding machine.
  • a pair of wall portions 91 surrounding the side surface of the wire exposed portion 33 are provided on the outer surface 61 of the flat plate portion 60.
  • the flat plate portion 60 is sandwiched between the anvil 90 and the pair of wall portions 91.
  • the wire exposed portion 33 is sandwiched by a pair of wall portions 91 from both sides in the width direction thereof.
  • a gap S1 is formed between each side surface of the wire exposed portion 33 and each wall portion 91.
  • the horn 92 of the ultrasonic welding machine is arranged above the wire exposed portion 33.
  • the horn 92 is arranged between the pair of wall portions 91.
  • a recess 93 is provided on the front end surface 92A (here, the lower end surface) of the horn 92, for example.
  • the recess 93 has, for example, a first portion 94, which may be referred to as a first depth portion, and a second portion 95, which may be referred to as a second depth portion.
  • the first portion 94 is a portion continuous with the tip surface 92A.
  • the first portion 94 has, for example, a predetermined depth in the depth direction of the recess 93 (vertical direction in FIG. 8) from the tip surface 92A, and has a substantially constant opening width.
  • the opening width of the first portion 94 is set to be the same as the opening width of the recess 62 of the flat plate portion 60, for example.
  • the inner surface of the first portion 94 is formed so as to extend perpendicularly to, for example, the tip surface 92A.
  • the second portion 95 is continuously formed in the first portion 94.
  • the second portion 95 is formed so that, for example, the opening width becomes smaller from the first portion 94 side toward the bottom surface of the recess 93.
  • the opening width of the second portion 95 is formed to be smaller than the opening width of the recess 62 of the flat plate portion 60, for example.
  • the inner surface of the second portion 95 is formed on an inclined surface that is inclined so as to approach the center in the width direction of the recess 93 from the side of the first portion 94 toward the bottom surface of the recess 93, for example.
  • the side wall 96 forming the inner surface of the second portion 95 is formed so as to project from the bottom surface of the recess 93 toward the anvil 90.
  • the width dimension of the side wall 96 is formed to be larger than the width of the gap S1 between each side surface of the wire exposed portion 33 and each wall portion 91, for example.
  • the side wall 97 forming the inner surface of the first portion 94 is formed continuously with the side wall 96.
  • the side wall 97 is formed so as to project from the side wall 96 toward the anvil 90.
  • the side wall 97 has, for example, a rectangular cross section.
  • the side wall 97 has, for example, a predetermined depth in the depth direction of the recess 93, and has a dimension in a substantially constant width direction.
  • the widthwise dimension of the side wall 97 is formed to be smaller than, for example, the width of the gap S1.
  • the horn 92 is lowered to bring the inner surface of the recess 93 into contact with the outer surface of the wire exposed portion 33. Then, while the flat plate portion 60 and the wire exposed portion 33 are sandwiched between the anvil 90 of the ultrasonic welding machine and the horn 92, ultrasonic vibration and pressure are applied to the flat plate portion 60 and the wire exposed portion 33 by the horn 92. In this step, the side wall 97 of the horn 92 is inserted into the gap S1.
  • the protruding portion 42 of the block portion 40 is formed in a shape along the inner surface of the recess 93. Specifically, the end surface 42A of the protrusion 42 is formed along the bottom surface of the recess 93, the side surface 42B of the protrusion 42 is formed along the inner surface of the first portion 94, and the inner surface of the second portion 95 is formed. An inclined surface 43 of the protrusion 42 is formed along the same. Although not shown, the inclined surface 44 (see FIG. 4) of the protruding portion 42 is also formed in the same manner.
  • the wire exposed portion 111 provided at the end of the stranded wire 110 is superposed on the upper surface of the crushed portion 101 provided at the end of the single core wire 100. At this time, no recess is formed on the upper surface of the crushed portion 101. Subsequently, the overlapped crushed portion 101 and the wire exposed portion 111 are placed on the anvil 90 of the ultrasonic welding machine. At this time, a pair of wall portions 91 surrounding the side surface of the wire exposed portion 111 are provided on the upper surface of the crushed portion 101. The crushed portion 101 is sandwiched between the anvil 90 and the pair of wall portions 91. In this step, the horn 98 of the ultrasonic welding machine is arranged above the wire exposed portion 111. The horn 98 is arranged between the pair of wall portions 91. The tip surface 98A of the horn 98 is formed on, for example, a flat surface.
  • the crushed portion 101 and the wire exposed portion 111 are sandwiched between the anvil 90 and the horn 98 of the ultrasonic welding machine, and the crushed portion 101 and the wire exposed portion 111 are superposed by the horn 98. Apply ultrasonic vibration and pressure. Then, at least one of the crushed portion 101 and the wire exposed portion 111 is melted by the frictional heat generated at the interface between the crushed portion 101 and the wire exposed portion 111, and the crushed portion 101 and the wire exposed portion 111 are welded together. ..
  • sharp burr portions 112 are formed at both ends in the width direction of the wire exposed portion 111 welded to the crushed portion 101 by the method described above.
  • the burr portion 112 is generated due to the formation of a gap between the wall portion 91 and the horn 98 in the process shown in FIG. That is, in the burr portion 112, when ultrasonic vibration and pressure are applied to the crushed portion 101 and the wire exposed portion 111 by the horn 98, a part of the wire exposed portion 111 that expands in the width direction due to the pressure is a wall portion. It is formed by crawling up in the gap between the 91 and the horn 98.
  • a burr portion 112 is formed, for example, when a covering member is provided so as to cover the connecting portion between the crushed portion 101 and the wire exposed portion 111, the covering member is damaged by the burr portion 112. There is a risk.
  • the tip surface 92A of the horn 92 is brought into contact with the outer surface 61 of the flat plate portion 60.
  • the wire exposed portion 33 fitted in the recess 62 is surrounded by the inner surface of the recess 93 of the horn 92 and the inner surface of the recess 62 of the flat plate portion 60. Therefore, even if the wire exposed portion 33 tries to expand in the width direction by applying pressure, the spread of the wire exposed portion 33 is regulated by the inner surfaces of the recesses 62 and 93. Therefore, it is possible to preferably suppress the formation of a burr portion in the block portion 40 of the wire exposed portion 33.
  • the covering member 70 before shrinkage has a laminated structure including a heat-shrinkable tube 71 having a tubular shape (here, a cylindrical shape) and a thermoplastic adhesive 72 formed on the inner peripheral surface of the heat-shrinkable tube 71. doing.
  • the inner diameter of the covering member 70 before shrinkage is formed so as to be large enough to accommodate the connecting portion of the wire exposed portion 33 and the conductor exposed portion 53 and the insulating coatings 32 and 52 inside.
  • the connecting portion of the wire exposed portion 33 and the conductor exposed portion 53 is inserted into the covering member 70.
  • a part of the electric wire 20 in the axial direction is inserted into the covering member 70 so that the electric wire 20 from the outer periphery of the end portion of the insulating coating 32 to the outer periphery of the end portion of the insulating coating 52 is surrounded.
  • the covering member 70 is heat-treated.
  • the covering member 70 is heated by a heater or the like.
  • the covering member 70 is heated for a predetermined time at a heating temperature (for example, about 120 ° C. to 140 ° C.) higher than the shrinkage temperature of the heat shrinkage tube 71 and lower than the melting temperature of the heat shrinkage tube 71. Will be done.
  • a heating temperature for example, about 120 ° C. to 140 ° C.
  • the heat-shrinkable tube 71 is firmly adhered to the outer peripheral surface of the end portion of the insulating coating 32 by the adhesive 72 over the entire circumference in the circumferential direction, and the end portion of the insulating coating 52 is adhered to the heat-shrinkable tube 71. It is adhered to the outer peripheral surface of the above surface by the adhesive 72 without any gap over the entire circumference in the circumferential direction.
  • the wire harness 10 covers a core wire 51 having a recess 62 on the outer surface 61, a core wire 31 fitted in the recess 62 and electrically connected to the core wire 51, and a connecting portion between the core wire 51 and the core wire 31. It has a covering member 70.
  • the block portion 40 of the core wire 31 is formed by being continuously formed with the embedded portion 41 embedded in the recess 62 and joined to the bottom surface 62A of the recess 62, and protruding outward from the outer surface 61. It has a protruding portion 42.
  • the core wire 31 and the core wire 51 are joined in a state where the embedded portion 41 of the block portion 40 of the core wire 31 is embedded in the recess 62 of the core wire 51. Therefore, as much as the embedded portion 41 which is a part of the core wire 31 is embedded in the recess 62, the connecting portion between the core wire 51 and the core wire 31, specifically, the connecting portion between the flat plate portion 60 and the block portion 40 is in the radial direction. It is possible to suppress the increase in size. As a result, it is possible to prevent the step between the outer peripheral surface of the connecting portion of the flat plate portion 60 and the block portion 40 and the outer peripheral surface of the other portion from becoming large. As a result, it is possible to prevent damage to the covering member 70 that covers the connecting portions of the flat plate portion 60 and the block portion 40. Therefore, the covering member 70 can suitably protect the connecting portion between the flat plate portion 60 and the block portion 40.
  • the recess 62 is formed so as to extend from the axial end surface 60A of the core wire 51 to the axial intermediate portion of the flat plate portion 60. Therefore, the back wall surface 62C is formed at the axial end of the recess 62.
  • the covering member 70 is formed in a structure in which a tubular heat-shrinkable tube 71 and an adhesive 72 provided on the inner peripheral surface of the heat-shrinkable tube 71 are laminated.
  • the adhesive 72 formed on the inner peripheral surface of the heat-shrinkable tube 71 can improve the adhesion between the heat-shrinkable tube 71 and the object to be covered by the heat-shrinkable tube 71.
  • the adhesive 72 can improve the adhesion between the heat-shrinkable tube 71 and the insulating coatings 32 and 52.
  • the heat shrinkable tube 71 is the outer periphery of the connecting portion of the flat plate portion 60 and the block portion 40. Direct contact with the surface can be preferably suppressed. As a result, damage to the heat-shrinkable tube 71 can be suitably suppressed.
  • the inclined surfaces 43 and 44 of the block portion 40 of the above embodiment may be changed to, for example, curved surfaces that are curved in an arc shape.
  • the side surface of the protruding portion 42 is composed of a side surface 42B formed so as to extend perpendicularly to the outer surface 61 and an inclined surface 43, but the present invention is not limited to this.
  • the side surface of the protruding portion 42 may be composed only of the side surface 42B formed so as to extend perpendicularly to the outer surface 61. That is, the inclined surface 43 may be omitted from the block portion 40. Similarly, the inclined surface 44 may be omitted from the block portion 40.
  • the side surface of the protruding portion 42 may be composed of only the inclined surfaces 43 and 44.
  • the inclined surfaces 43 and 44 in this case are formed so as to extend from the end surface 42A of the protruding portion 42 to the embedded portion 41.
  • the shape of the flat plate portion 60 of the above embodiment is not particularly limited.
  • the flat plate portion 60 is not particularly limited as long as it has a structure in which the recess 62 is formed on the outer surface.
  • the cross-sectional shape of the flat plate portion 60 is formed in a rectangular shape, but the cross-sectional shape of the flat plate portion 60 may be formed in a semicircular shape.
  • the covering member 70 of the above embodiment has been embodied in a structure in which a heat-shrinkable tube 71 and an adhesive 72 are laminated, but the present invention is not limited to this.
  • the adhesive 72 of the covering member 70 may be omitted.
  • the covering member 70 may be embodied in a rubber tube, an insulating tape, or a hard protector made of synthetic resin.
  • the wire exposed portion 33 and the conductor exposed portion 53 are joined by ultrasonic welding, but the present invention is not limited to this.
  • the wire exposed portion 33 and the conductor exposed portion 53 may be joined by vibration welding, high frequency welding, laser welding, infrared welding, friction welding, hot plate welding, hot air welding, or the like.
  • the core wire 51 of the rigid electric wire 50 is embodied as the first conductor
  • the core wire 31 of the flexible electric wire 30 is embodied as the second conductor
  • the first conductor may be embodied in a metal connection terminal. That is, the wire exposed portion 33 of the flexible electric wire 30 may be joined to the metal connection terminal.
  • a recess 62 is formed on the outer surface of the connection terminal, and the wire exposed portion 33 is joined to the recess 62.
  • the connection terminal is held, for example, in the connector housing of the connector C1.
  • the connection terminal is connected to a mating terminal such as a bus bar, a terminal portion of an electric device, or a terminal of another electric wire.
  • an electromagnetic shield member is provided inside the exterior member 25 .
  • the electromagnetic shield member is provided, for example, so as to collectively surround a plurality of electric wires 20.
  • the electromagnetic shield member is provided, for example, between the inner peripheral surface of the exterior member 25 and the outer peripheral surface of the electric wire 20.
  • a flexible braided wire or a metal foil can be used.
  • the braided wire a braided wire in which a plurality of metal strands are knitted or a braided wire in which a metal strand and a resin strand are combined can be used.
  • the resin wire for example, a reinforcing fiber having excellent insulating properties and shear resistance such as a para-aramid fiber can be used.
  • the electric wire 20 of the above embodiment may be changed to a low voltage electric wire.
  • the number of electric wires 20 housed inside the exterior member 25 is two, but the number is not particularly limited, and the number of electric wires 20 can be changed according to the specifications of the vehicle V. ..
  • the number of electric wires 20 housed inside the exterior member 25 may be one or three or more.
  • a low-voltage electric wire for connecting a low-voltage battery and various low-voltage devices for example, a lamp, a car audio, etc.
  • the arrangement relationship between the inverter 11 and the high-voltage battery 12 in the vehicle V is not limited to the above embodiment, and may be appropriately changed according to the vehicle configuration.
  • the high-voltage battery 12 may be arranged on substantially the entire floor of the vehicle V, and may be embodied in a wire harness 10 that electrically connects the high-voltage battery 12 and the inverter 11.
  • the inverter 11 and the high-voltage battery 12 are adopted as the electric devices connected by the wire harness 10, but the present invention is not limited to this.
  • it may be used for an electric wire connecting the inverter 11 and the wheel driving motor. That is, it is applicable as long as it electrically connects the electric devices mounted on the vehicle V.
  • the tip surface 92A of the horn 92 of the ultrasonic welding machine forms a pressure mark or an ultrasonic welding mark on the outer surface 61 of the core wire 51.
  • the pressure mark or ultrasonic welding mark on the outer surface 61 of the core wire 51 may be an elongated continuous mark adjacent to the recess 62 and extending so as to surround the recess 62, or spot marks scattered along the recess 62. It may be.
  • the pressure mark or ultrasonic welding mark on the outer surface 61 of the core wire 51 usually corresponds to the shape of the tip surface 92A of the horn 92.
  • the wire harness (10) is A first metal member (51) having a first length portion (60A, 62, 62A, 62B, 62C) and A second metal member (31) having a second length portion (40) that overlaps the first length portion (60A, 62, 62A, 62B, 62C) of the first metal member (51).
  • An insulating tube (70) that covers the stacked first length portions (60A, 62, 62A, 62B, 62C) and the second length portion (40) from the outside can be provided.
  • the first length portion (60A, 62, 62A, 62B, 62C) of the first metal member (51) is locally formed on the outer surface (61) of the first metal member (51). It can have positioning recesses (62, 62A, 62B, 62C).
  • the positioning recesses (62, 62A, 62B, 62C) are one or more positioning surfaces (62A, 62B, 62C, 62A, 62B, 62C) different from the outer surface (61) of the first metal member (51).
  • the second length portion (40) of the second metal member (31) is It has one or more positioned surfaces (41 outer surfaces) that are housed in the positioning recess (62) and are pressure-bonded in contact with the one or more positioning surfaces (62A, 62B, 62C), and the insulation.
  • the positioned portion (41) that does not come into contact with the tube (70)
  • a protruding portion (42) that protrudes from the positioning recess (62) without being accommodated in the positioning recess (62) and is the remaining portion of the second length portion (40) excluding the positioned portion (41).
  • the protruding portion (42) having an outward surface (42A, 43, 42C, 44) in contact with the insulating tube (70).
  • the outer surface (61) of the first metal member (51) is adjacent to the positioning recess (62) of the first length portion (60A, 62, 62A, 62B, 62C) to pressurize the first metal member (51). It can be provided with pressure marks due to joining.
  • the pressurizing marks may extend so as to surround the positioning recess (62) on the outer surface (61) of the first metal member (51). can.
  • the pressure marks are the first length portion (60A, 62, 62A, 62B, 62C) of the first metal member (51) and the first metal member (51).
  • An ultrasonic welding mark formed by an ultrasonic welding horn (92, 92A) that generates ultrasonic vibration and pressure for joining the second length portion (40) of the metal member (31) of 2. It may contain or be an ultrasonic welding mark.
  • the first metal member (51) can include a first metal material
  • the second metal member (31) is a second.
  • the one or more positioning surfaces (62A, 62B, 62C) of the first metal member (51) and the one or more positioned surfaces (outer surface of 41) of the second metal member (31) are , A solid-state bonding structure containing the first metal material and the second metal material may be formed.
  • the second metal material may be different from the first metal material.
  • one of the first metal material and the second metal material may be aluminum or may contain aluminum.
  • one of the first metal material and the second metal material may be copper or may contain copper.
  • one of the first metal material and the second metal material may be aluminum or an aluminum alloy, and the other may be copper or a copper alloy.

Abstract

La présente invention concerne un faisceau de fils qui peut supprimer l'endommagement d'un élément de revêtement. Ce faisceau de fils (10) comprend : un fil central (51), dont une surface extérieure (61) présente une section en retrait (62) ; un fil central (31) qui s'ajuste dans la section en retrait (62) et est électriquement connecté au fil central (51) ; et un élément de revêtement (70) qui recouvre des parties de connexion du fil central (51) et du fil central (31). Une section bloc (40) du fil central (31) comprend : une section incorporée (41) qui est incorporée dans la section en retrait (62) et jointe à une surface de base (62A) de la section en retrait (62) ; et une section en saillie (42) qui est formée de façon à être continue avec la section incorporée (41) et est formée de façon à faire saillie vers l'extérieur à partir de la surface extérieure (61).
PCT/JP2021/007006 2020-03-10 2021-02-25 Faisceau de fils WO2021182113A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020-041097 2020-03-10
JP2020041097A JP2021144803A (ja) 2020-03-10 2020-03-10 ワイヤハーネス

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WO2021182113A1 true WO2021182113A1 (fr) 2021-09-16

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Citations (9)

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Publication number Priority date Publication date Assignee Title
JP2013025997A (ja) * 2011-07-20 2013-02-04 Yazaki Corp 電線の接続方法
JP2013065580A (ja) * 2013-01-18 2013-04-11 Hitachi Cable Ltd 電線連結構造及びその電線連結構造を有する車両用導電路
JP2014154443A (ja) * 2013-02-12 2014-08-25 Tabuchi Electric Co Ltd 端子接続構造およびその製造方法
JP2014232619A (ja) * 2013-05-29 2014-12-11 株式会社オートネットワーク技術研究所 端子付電線
WO2016167107A1 (fr) * 2015-04-17 2016-10-20 住友電装株式会社 Câble unipolaire et faisceau de câbles
JP2017195109A (ja) * 2016-04-21 2017-10-26 豊田鉄工株式会社 バスバー
WO2019073787A1 (fr) * 2017-10-13 2019-04-18 住友電装株式会社 Faisceau de câbles
JP2019091611A (ja) * 2017-11-14 2019-06-13 矢崎総業株式会社 単芯線の接続構造
JP2019140104A (ja) * 2018-02-09 2019-08-22 古河電気工業株式会社 平板状電線の接続構造及び該接続構造を備えるワイヤハーネス

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013025997A (ja) * 2011-07-20 2013-02-04 Yazaki Corp 電線の接続方法
JP2013065580A (ja) * 2013-01-18 2013-04-11 Hitachi Cable Ltd 電線連結構造及びその電線連結構造を有する車両用導電路
JP2014154443A (ja) * 2013-02-12 2014-08-25 Tabuchi Electric Co Ltd 端子接続構造およびその製造方法
JP2014232619A (ja) * 2013-05-29 2014-12-11 株式会社オートネットワーク技術研究所 端子付電線
WO2016167107A1 (fr) * 2015-04-17 2016-10-20 住友電装株式会社 Câble unipolaire et faisceau de câbles
JP2017195109A (ja) * 2016-04-21 2017-10-26 豊田鉄工株式会社 バスバー
WO2019073787A1 (fr) * 2017-10-13 2019-04-18 住友電装株式会社 Faisceau de câbles
JP2019091611A (ja) * 2017-11-14 2019-06-13 矢崎総業株式会社 単芯線の接続構造
JP2019140104A (ja) * 2018-02-09 2019-08-22 古河電気工業株式会社 平板状電線の接続構造及び該接続構造を備えるワイヤハーネス

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