WO2019131032A1 - シールド導電路及びシールドパイプ - Google Patents

シールド導電路及びシールドパイプ Download PDF

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Publication number
WO2019131032A1
WO2019131032A1 PCT/JP2018/044821 JP2018044821W WO2019131032A1 WO 2019131032 A1 WO2019131032 A1 WO 2019131032A1 JP 2018044821 W JP2018044821 W JP 2018044821W WO 2019131032 A1 WO2019131032 A1 WO 2019131032A1
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WIPO (PCT)
Prior art keywords
welding
semi
shield
cylindrical members
bending
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2018/044821
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English (en)
French (fr)
Japanese (ja)
Inventor
諒 藤岡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Wiring Systems Ltd
Original Assignee
Sumitomo Wiring Systems Ltd
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 Sumitomo Wiring Systems Ltd filed Critical Sumitomo Wiring Systems Ltd
Priority to CN201880080444.7A priority Critical patent/CN111480208B/zh
Priority to US16/958,232 priority patent/US10938193B2/en
Publication of WO2019131032A1 publication Critical patent/WO2019131032A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/20—Metal tubes, e.g. lead sheaths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/0207—Wire harnesses
    • B60R16/0215—Protecting, fastening and routing means therefor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
    • H02G3/0462—Tubings, i.e. having a closed section
    • H02G3/0481—Tubings, i.e. having a closed section with a circular cross-section
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • 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
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/20—Metal tubes, e.g. lead sheaths
    • H01B7/205—Metal tubes, e.g. lead sheaths composed of aluminium
    • 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
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/20—Metal tubes, e.g. lead sheaths
    • H01B7/207—Metal tubes, e.g. lead sheaths composed of iron or steel

Definitions

  • the present invention relates to a shield conductive path and a shield pipe.
  • Patent Document 1 discloses a conductive path provided with a shielding function, which is disposed under the floor of a vehicle body.
  • the shield conductive path includes a metal shield pipe and a plurality of electric wires inserted into the shield pipe.
  • the shield pipe is installed between the position near the inverter device provided in the engine room and the position near the battery provided at the rear end of the vehicle body, so the total length is about 3 to 4 m. Therefore, when the electric wire is inserted into the shield pipe, the electric wire is buckled in the shield pipe and frictional resistance is generated between the electric wire and the inner periphery of the shield pipe, so that the workability is not good.
  • the shield pipe has a form in which a pair of radially divided semi-cylindrical members are united, and an electric wire is placed on one semi-cylindrical member.
  • a method is conceivable in which the cylindrical members are put together, united, and united by welding. According to this method, since the wire accommodation space of the semi-cylindrical member is opened over the entire length of the shield pipe in the state before being united, the insertion work becomes unnecessary.
  • the insertion work is not necessary, there is a problem that the process of welding a long semi-cylindrical member takes time.
  • the present invention has been completed based on the above-mentioned circumstances, and an object of the present invention is to shorten the manufacturing time of a shield conductive path.
  • the shield conductive path of the first invention is A cylindrical shield pipe in which a pair of semi-cylindrical members made of a metal material are united and a bending portion is formed in a part in the axial direction; A wire housed in the shield pipe; A first welded portion provided only in a partial region including at least the bent portion in the axial direction of the shield pipe and joining the pair of semi-cylindrical members in a liquid tight manner; And a second welded portion provided in the entire area of the shield pipe other than the first welded portion in the axial direction and joining the pair of semi-cylindrical members in a liquid tight manner.
  • the joining range in the radial direction of the second welded portion is narrower than the joining range in the radial direction of the first welded portion.
  • the shield pipe of the second invention is A pair of semi-cylindrical members made of a metallic material;
  • a cylindrical pipe body in which the pair of semi-cylindrical members are united, the inside is a wire accommodating space for accommodating a wire, and a bending portion is formed in a part in the axial direction;
  • a first welded portion provided only in a partial region including at least the bent portion in the axial direction of the pipe main body and joining the pair of semi-cylindrical members in a liquid tight manner;
  • a second welded portion provided in the entire region of the pipe main body other than the first welded portion in the axial direction and joining the pair of semi-cylindrical members in a fluid tight manner.
  • the joining range in the radial direction of the second welded portion is narrower than the joining range in the radial direction of the first welded portion.
  • the shield conductive path according to the first aspect of the present invention may have a short manufacturing time.
  • manufacturing time of the shield conductive path comprised by accommodating an electric wire in a pipe main body can be shortened.
  • FIG. 7 Schematic which shows the wiring path of the shield conduction path of Example 1.
  • Perspective view of shield pipe Cross section of shield conductive path A perspective view showing an example of a bending portion Front view of the bending portion shown in FIG. 4
  • Side view of the bending section shown in FIG. 7 The side view showing the bending process of the bending part shown in FIG. 7 Enlarged cross-sectional view of the first weld
  • the joining range in the radial direction in the first welding portion may include the outer circumferential surface of the semi-cylindrical member. According to this configuration, in the first welded portion, since no groove-like gap is generated at the joint between the outer circumferences of the pair of semi-cylindrical members, it is possible to prevent water from collecting on the outer circumferences of the pair of semi-cylindrical members.
  • the joining range in the radial direction in the first welding portion may be the entire area from the outer periphery to the inner periphery of the semi-cylindrical member. According to this configuration, the joint strength in the first welded portion can be secured to the maximum.
  • the joining range in the radial direction in the second welding portion may include the outer circumferential surface of the semi-cylindrical member. According to this configuration, in the second welded portion, since no groove-like gap is generated at the joint between the outer circumferences of the pair of semi-cylindrical members, it is possible to prevent water from collecting on the outer circumferences of the pair of semi-cylindrical members.
  • the distal end side linear portion adjacent to the distal end side of the bent portion in the axial direction of the shield pipe may be joined by the first welded portion.
  • the bending jig is brought into sliding contact with the outer periphery of the linear region before processing in a state of pressing from the base end side to the distal end side to bend
  • the second welded portion is broken at the tip end side of the bent portion, and the pair of semi-cylindrical members cause relative positional deviation in the axial direction, or the semi-cylindrical member is cracked There is concern that it will occur.
  • the front end side straight portion is joined by the first welding portion.
  • the proximal end straight portion adjacent to the proximal end side of the bent portion in the axial direction of the shield pipe may be joined by the first welded portion.
  • the bending jig is not fixed to the proximal end side from the pre-processing straight region to be formed into the bent portion of the shield pipe.
  • the second welded portion is broken at the base end side from the bent portion,
  • the semi-cylindrical members of the present invention may be radially spaced apart.
  • the proximal end straight portion is joined at the first welding portion. This can prevent the pair of semi-cylindrical members from being separated in the radial direction on the proximal end side of the bending portion.
  • the first welding portion includes a bending portion welding area in which the bending portion is joined, a distal end welding area in which the distal end side linear portion is joined, and a base in which the proximal end linear portion is joined.
  • An end side welding area may be provided, and a length of the tip side welding area may be set longer than the base side welding area.
  • the force acting from the bending jig to the proximal side welding area is the linear area before the bending jig processes
  • Example 1 A first embodiment of the present invention will be described below with reference to FIGS. 1 to 11.
  • the left in FIGS. With regard to the upper and lower directions, the directions appearing in FIGS. 5, 7 to 11 are defined as upper and lower as they are.
  • the shield conductive path 10 of the first embodiment is provided in a vehicle such as a hybrid vehicle provided with a motor (not shown) as a drive source.
  • the shield conductive path 10 electrically connects an apparatus 41 such as a high voltage battery provided at the rear of the body 40 and an apparatus 42 such as an inverter or a fuse box provided at the front of the body 40.
  • the shield conductive path 10 includes a plurality of (two in the case of the first embodiment) electric wires 11, one shield pipe 14, and two flexible shield members 30.
  • the electric wire 11 is a non-shield type electric wire in which the conductor 12 is surrounded by an insulating coating 13 made of synthetic resin.
  • the conductor 12 is made of a stranded wire obtained by twisting fine metal wires such as copper and aluminum, so the electric wire 11 has flexibility.
  • Terminal fittings (not shown) are connected to the front and rear ends of the wire 11.
  • the terminal fitting connected to the front end portion of the electric wire 11 is connected to the device 42 through a connector (not shown).
  • the terminal fitting connected to the rear end portion of the electric wire 11 is connected to the device 41 via a connector (not shown).
  • the shield pipe 14 is made of a metal material (iron, aluminum, copper, stainless steel, etc.) and has a shield function. Although the shield pipe 14 is long (for example, about 3 to 4 m), it has a shape-retaining property of maintaining a predetermined shape by the rigidity of the shield pipe 14 itself. Thus, the shield pipe 14 is routed under the floor of the body 40. The cross-sectional shape of the shield pipe 14 is substantially circular over its entire length.
  • the part of the plurality of wires 11 which is led out from the front end in the longitudinal direction of the shield pipe 14 is collectively surrounded by the shield member 30.
  • the portion of the plurality of wires 11 which is led out from the rear end in the longitudinal direction of the shield pipe 14 is also collectively surrounded by the shield member 30.
  • the shield member 30 is made of a tubular wire formed by knitting conductive metal fine wires (such as copper) in a mesh shape, a metal foil formed in a cylindrical shape, etc., and has flexibility like the electric wire 11. doing.
  • the rear end portion of the front shield member 30 is conductively fixed to the front end portion of the shield pipe 14 by caulking or the like.
  • the front end of the front shield member 30 is conductively connected to the shield shell (not shown) of the front device 42.
  • the front end portion of the rear shield member 30 is conductively fixed to the rear end portion of the shield pipe 14 by caulking or the like.
  • the rear end portion of the rear shield member 30 is electrically connected to a shield shell (not shown) of the rear device 41.
  • the shield pipe 14 is configured to include the pipe main body 15, the plurality of first welding portions 24, and the plurality of second welding portions 31.
  • the pipe body 15 is formed by extruding a straight first semi-cylindrical member 16A (semi-cylindrical member according to the claims) and a second semi-cylindrical member 16B (the semi-cylindrical members according to the claim). In the radial direction.
  • an overhanging portion 17 in which both end edges in the circumferential direction are projected to the inner peripheral side, and a rib 18 projecting in the circumferential direction from the overhanging portion 17 are respectively the first It is formed continuously over the entire length of the semi-cylindrical member 16A.
  • the two electric wires 11 are accommodated in the upward accommodating space 19 of the first semi-cylindrical member 16A, and The two semi-cylindrical members 16B are put on and united.
  • the accommodation space 19 of the first semi-cylindrical member 16A is opened over the entire length of the shield pipe 14, the operation of inserting the electric wire 11 becomes unnecessary.
  • both semi-cylindrical members 16A and 16B are positioned in a state in which the relative displacement in the radial direction along the mating surface 20 is restricted.
  • a plurality of locations spaced in the axial direction in the shield pipe 14 (pipe main body 15) are regions in which the axis is curved, and in the region in which the axis is curved, bending portions 21, 21A, 21B and Define.
  • the bending portions 21, 21A, 21B are formed by three-dimensionally bending a portion of the pipe main body 15 so that the axis thereof is curved.
  • a straight region adjacent to the proximal end side (rear end side) of the pipe main body 15 than the bent portions 21, 21A, 21B of the pipe main body 15 (shield pipe 14) Is defined as a proximal end straight portion 22.
  • a straight region adjacent to the tip end side (front end side) of the pipe main body 15 than the bent portions 21, 21A, 21B in the pipe main body 15 (shield pipe 14) is defined as a tip side straight portion 23.
  • Each of the first weld 24 and the second weld 31 is a joint formed by laser welding.
  • laser welding the outer peripheral surfaces of both semicylindrical members 16A and 16B are irradiated with laser light in a state in which the mating surfaces 20 of both semicylindrical members 16A and 16B are in close contact so that almost no gap is left.
  • the mating surface 20 of the semi-cylindrical members 16A and 16B is melted to weld the mating surfaces 20 together in a liquid tight manner.
  • the first welding portion 24 As shown in FIG. 10, the entire region in the radial direction of both semicylindrical members 16A and 16B (that is, all from the outer peripheral surface of both semicylindrical members 16A and 16B to the inner peripheral surface) The two semi-cylindrical members 16A and 16B are joined over the range. That is, the first welding portion 24 is a portion where penetration welding is performed from the outer periphery of the shield pipe 14 to the inner periphery. In the portion to be joined by the first welding portion 24, since the joining area (that is, the joining range in the radial direction) is wide, the time required for welding is long, but the joining strength is high.
  • the first welded portion 24 is a partial region including at least the bent portions 21, 21A, 21B in the axial direction of both the semicylindrical members 16A, 16B (the bent portions 21, 21A, 21B, the proximal end straight portion 22 and only the distal end side straight portion 23) are joined.
  • both semi-cylindrical members 16A and 16B are joined to each other in a partial region in the radial direction of both semi-cylindrical members 16A and 16B (ie, both half Only the range from the outer peripheral surface of the cylindrical members 16A and 16B to the outer peripheral side of the inner peripheral surface). That is, the second welded portion 31 is a partially welded (partially welded) portion which does not reach the inner periphery of the shield pipe 14.
  • the joint area i.e., the joint range in the radial direction
  • the weld strength is lower than the portion joined by the first weld portion 24
  • the time required for the welding can be shorter than that of the first welded portion 24.
  • the second welding portion 31 joins all the regions of the two semicylindrical members 16A and 16B which are not welded in the first welding portion 24 in the axial direction.
  • One first welding portion 24 includes a bending portion welding area 25, a proximal welding area 26 and a distal welding area 27, and these three welding areas 25, 26 and 27 extend in the axial direction of the pipe body 15. It is connected continuously.
  • the bending portion welding region 25 joins the same region as the bending portions 21, 21A, 21B in the axial direction of both the semi-cylindrical members 16A, 16B.
  • the proximal welding region 26 joins the same region as the proximal straight portion 22 in the axial direction of the two semi-cylindrical members 16A and 16B.
  • the distal end side welding region 27 joins the same region as the distal end side straight portion 23 in the axial direction of both the semicylindrical members 16A and 16B. Further, the length of the proximal welding area 26 in the axial direction is set shorter than the distal welding area 27.
  • the bent portion 21A shown in FIGS. 4 to 6 is formed by bending the pipe main body 15 on a two-dimensional plane substantially parallel to the mating surface 20 of the two semi-cylindrical members 16A and 16B before bending. It is. In a state before bending, as shown by an imaginary line in FIG. 6, the proximal end straight portion 22, the pre-processing straight region 28 to be the bent portion 21A, and the distal end straight portion 23 are aligned in a straight line. ing.
  • the proximal end straight portion 22 on the proximal side of the pre-processed straight region 28 of the shield pipe 14 to be the bent portion 21A is a clamp or the like.
  • the bending jig 29 is applied to the proximal end portion (rear end portion) of the proximal welding region 26 located outside the bending, without fixing.
  • the first welded portion 24 proximal end side welding region 26
  • the bent portion welding area 25 The pre-machining straight region 28 is bent and deformed by receiving the pressing force of the bending jig 29 and becomes a bent portion 21A.
  • the bending portion 21B shown in FIGS. 7 to 9 is perpendicular to the mating surface 20 of the semi-cylindrical members 16A and 16B before bending and the axis of the pipe main body 15 before bending. It is formed by bending on a parallel two-dimensional plane. In a state before bending, as shown by an imaginary line in FIG. 9, the proximal end straight portion 22, the pre-processing straight region 28 to be the bent portion 21B, and the distal end straight portion 23 are linearly connected. ing.
  • the proximal end straight portion 22 on the proximal side of the pre-processing straight region 28 is not fixed by a clamp or the like.
  • the bending jig 29 is applied to the outer periphery.
  • the position at which the bending jig 29 is applied is a position at an angle of 90 ° to the proximal welding area 26 in the circumferential direction of the pipe main body 15, and the proximal welding area 26 in the axial direction of the pipe main body 15.
  • the bending jig 29 slides on the proximal end straight portion 22 and the pre-processed straight area 28 toward the front end side (front end side) of the pipe main body 15 while applying a radially inward pressing force on the pipe main body 15. Get in touch.
  • the pre-processing linear region 28 is bent and deformed by receiving the pressing force of the bending jig 29 and becomes a bent portion 21B.
  • both semicylindrical members 16A and 16B are in the radial direction at the proximal end linear portion 22 (vertical direction in FIG. ), There is a concern that the mating surface 20 may be separated. However, in the proximal end linear portion 22, since the semi-cylindrical members 16A and 16B are held in the joined state (combined state) by the proximal end welding region 26, there is no possibility that the mating surface 20 is separated.
  • the shield conductive path 10 of the first embodiment includes a shield pipe 14, an electric wire 11, a first welded portion 24 and a second welded portion 31.
  • the shield pipe 14 has a form in which a pair of semi-cylindrical members 16A and 16B made of a metal material are united, and by combining the half-cylindrical members 16A and 16B, a long pipe main body 15 having a cylindrical shape is configured. It is done.
  • a plurality of bent portions 21, 21A, 21B are formed in a part (a plurality of places spaced in the axial direction) in the axial direction of the shield pipe 14 (pipe main body 15).
  • the plurality of electric wires 11 are accommodated in the shield pipe 14 in a substantially coaxial manner.
  • the first welded portion 24 is provided only in a part (a plurality of places) of the shield pipe 14 including at least the bent portions 21, 21A and 21B in the axial direction.
  • the second welded portion 31 is provided in the entire area of the shield pipe 14 other than the first welded portion 24 in the axial direction.
  • the first welded portion 24 and the second welded portion 31 join the pair of semi-cylindrical members 16A and 16B in a liquid tight and mechanically integrated state and hold the united state.
  • the pair of semi-cylindrical members 16A and 16B are joined in a fluid tight manner over the entire length by the first welding portion 24 and the second welding portion 31. Water is prevented from entering the shield pipe 14 from the joint portion of the semi-cylindrical members 16A and 16B. Moreover, since the joining range of the radial direction in the 2nd welding part 31 is made narrower than the 1st welding part 24, the time which a welding process requires is shortened. Therefore, the manufacturing time of the shield conductive path 10 comprised by accommodating the electric wire 11 in the pipe main body 15 can be shortened.
  • the joining range in the radial direction in the first welded portion 24 and the joining range in the radial direction in the second welded portion 31 also include the outer peripheral surfaces of both the semi-cylindrical members 16A and 16B. Therefore, in the first welded portion 24 and the second welded portion 31, no groove-like gap is generated in the joint on the outer periphery of the pair of semi-cylindrical members 16A and 16B. Therefore, there is no possibility that water will collect on the outer periphery of the pair of semi-cylindrical members 16A, 16B (shield pipe 14).
  • the joining range in the radial direction in the first welding part 24 is the entire area from the outer circumference to the inner circumference of both semicylindrical members 16A and 16B, the joining strength in the first welding part 24 is maximized. It is secured.
  • the bending jig 29 is pressed against the outer periphery of the pre-processed straight area 28 which becomes the bending parts 21, 21A, 21B by bending, from the base end side toward the tip end side. Get in touch. Therefore, if the pre-processing straight region 28 is joined by the second welding portion 31, the second welding portion 31 is broken at the tip end side of the bending portions 21, 21A and 21B, and the pair of semicylindrical members There is a concern that the relative displacement of the portions 16A and 16B in the axial direction may occur or that the two semicylindrical members 16A and 16B may be cracked.
  • the front end side straight portion 23 connected to the front end side of the before-machining straight region 28 is joined by the first welded portion 24 having higher joint strength than the second welded portion 31.
  • the pair of semi-cylindrical members 16A, 16B cause relative positional deviation in the axial direction on the tip end side of the bending portions 21, 21A, 21B, or cracks occur in both semi-cylindrical members 16A, 16B. Can be prevented.
  • the step of forming the bending portions 21, 21A, 21B is performed in a state where the proximal end side (the proximal end side linear portion 22) is not fixed with respect to the pre-processing linear region 28. Therefore, if the proximal end side straight portion 22 is joined by the second welding portion 31, the bent portion 21 is bent in a process in which the bending jig 29 slidably contacts the pre-processed straight region 28 from the proximal end to the distal end. , 21A and 21B, there is a concern that the second welded portion 31 may be broken and the pair of semi-cylindrical members 16A and 16B may be separated in the radial direction.
  • the proximal end straight portion 22 is joined by the first welded portion 24 having higher joint strength than the second welded portion 31, the pair of semi-cylindrical members 16A on the proximal side with respect to the bent portions 21, 21A, 21B. , 16B can be prevented from being separated in the radial direction.
  • first welding portion 24 joins the bending portion welding region 25 joining the bending portions 21, 21A, 21B, the distal end side welding region 27 joining the distal end side straight portion 23, and the proximal end straight portion 22.
  • length of the distal welding area 27 is set longer than the proximal welding area 26.
  • the force acting on the proximal welding region 26 from the bending jig 29 which is in sliding contact with the pre-machining straight area 28 in the pressed state The distance from the proximal end (proximal welding region 26) of the linear region 28 becomes smaller. Therefore, even if the axial length of the proximal welding region 26 is shortened, radial separation of the pair of semi-cylindrical members 16A and 16B can be effectively prevented. According to the above configuration, since the length of the proximal welding region 26 can be kept to the shortest necessary, the manufacturing time of the shield conductive path 10 can be shortened more effectively.
  • the joining range in the radial direction in the first welded portion includes the outer peripheral surface of the semi-cylindrical member, but the joining range in the radial direction in the first welded portion is a semi-cylindrical member It may be a region on the inner circumferential side of the outer circumferential surface.
  • the joining range in the radial direction in the first welding portion is the entire area from the outer periphery to the inner periphery of the semi-cylindrical member, but the joining range in the radial direction in the first welding portion is a half cylinder It may be only a part between the outer periphery and the inner periphery of the shaped member.
  • the joining range in the radial direction in the second welded portion includes the outer peripheral surface of the semi-cylindrical member, but the joining range in the radial direction in the second welded portion is a semi-cylindrical member It may be a region on the inner circumferential side of the outer circumferential surface.
  • the joining range in the radial direction of the first weld is constant over the entire length of the first weld, but the joining range in the radial direction of the first weld is the same as that of the first weld. It may increase or decrease gradually along the longitudinal direction, or may increase or decrease in the longitudinal direction of the first weld.
  • the joining range in the radial direction of the second weld is constant over the entire length of the second weld, but the joining range in the radial direction of the second weld is the same as that of the second weld. It may increase or decrease gradually along the length direction, or may increase or decrease in the length direction of the second weld.
  • the front end side straight portion on the front end side of the bent portion is joined by the first welding portion, but the front end side straight portion may be joined by the second welding portion.
  • the proximal end linear portion on the proximal side of the bent portion is joined by the first welding portion. However, the proximal end linear portion may be joined by the second welding portion.
  • the bent portion welding area provided in the bent portion of the shield pipe (pipe main body) and the front end side welding region provided on the tip end side from the bent portion are directly connected, The partial welding area and the distal welding area may be provided separately (so as to have a positional relationship spaced apart in the axial direction).
  • the bent portion welding area provided in the bent portion of the shield pipe (pipe main body) and the proximal end welding region provided on the base end side from the bent portion are directly connected.
  • the bent portion welding area and the proximal end welding area may be provided separately (so as to have a positional relationship spaced apart in the axial direction).
  • the length of the distal welding area is set longer than the proximal welding area, but the length of the distal welding area may be the same as the proximal welding area, or the proximal side The length may be shorter than the welding area.
  • the conductor of the electric wire is constituted only by the stranded wire over the entire length
  • the conductor of the portion of the electric wire to be inserted into the shield pipe is constituted by a single core wire
  • the conductor of the portion to be wired to the outside of the pipe may be constituted by a stranded wire.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Insulated Conductors (AREA)
  • Details Of Indoor Wiring (AREA)
PCT/JP2018/044821 2017-12-27 2018-12-06 シールド導電路及びシールドパイプ Ceased WO2019131032A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201880080444.7A CN111480208B (zh) 2017-12-27 2018-12-06 屏蔽导电路径及屏蔽管
US16/958,232 US10938193B2 (en) 2017-12-27 2018-12-06 Shielded conductive path and shielding pipe

Applications Claiming Priority (2)

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JP2017250913A JP6828677B2 (ja) 2017-12-27 2017-12-27 シールド導電路及びシールドパイプ
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