WO2020129624A1 - コネクタ構造体、及びコネクタ構造体の製造方法 - Google Patents

コネクタ構造体、及びコネクタ構造体の製造方法 Download PDF

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Publication number
WO2020129624A1
WO2020129624A1 PCT/JP2019/047257 JP2019047257W WO2020129624A1 WO 2020129624 A1 WO2020129624 A1 WO 2020129624A1 JP 2019047257 W JP2019047257 W JP 2019047257W WO 2020129624 A1 WO2020129624 A1 WO 2020129624A1
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WO
WIPO (PCT)
Prior art keywords
outer conductor
dielectric
front outer
locking
crimping
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/JP2019/047257
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
浜田　和明
小野　純一
敦 村田
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
AutoNetworks Technologies Ltd
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Wiring Systems Ltd
AutoNetworks Technologies Ltd
Sumitomo Electric Industries 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, AutoNetworks Technologies Ltd, Sumitomo Electric Industries Ltd filed Critical Sumitomo Wiring Systems Ltd
Priority to US17/312,864 priority Critical patent/US11855402B2/en
Priority to CN201980083361.8A priority patent/CN113196590B/zh
Publication of WO2020129624A1 publication Critical patent/WO2020129624A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0518—Connection to outer conductor by crimping or by crimping ferrule
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/111—Resilient sockets co-operating with pins having a circular transverse section
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H01R43/048—Crimping apparatus or processes

Definitions

  • the technology disclosed in the present specification relates to a connector structure in which a connector is connected to a shielded electric wire, and a method for manufacturing the connector structure.
  • This connector structure includes an inner conductor, a dielectric that surrounds the inner conductor, a contact member that covers the outer periphery of the dielectric, and a connecting member that is connected to the shield portion of the coaxial cable.
  • the front end portion of the connecting member is welded to the rear end portion of the contact member while being externally fitted thereto. As a result, the contact member and the connecting member are electrically connected.
  • the contact member and the connecting member are welded together while the dielectric is housed inside the contact member. Therefore, there is a possibility that the heat generated during welding between the contact member and the connecting member may cause a defect such as deformation of the dielectric.
  • the technology disclosed in the present specification has been completed based on the above circumstances, and an object thereof is to provide a connector structure in which the occurrence of defects in the dielectric due to heat is suppressed.
  • the technique disclosed in the present specification is a connector structure, in which the outer periphery of a core wire extending in the front-rear direction is surrounded by an insulating coating, and the outer periphery of the coated wire is surrounded by a shield portion, and the core wire is An inner conductor having a core wire connecting portion to be connected and having a connecting portion connected to the counterpart terminal in series with the core wire connecting portion, and at least an insulating dielectric that surrounds the outer periphery of the connecting portion of the inner conductor.
  • a front outer conductor having a front cylindrical portion that surrounds the outer periphery of the dielectric body and a dielectric locking portion that locks at least a part of the dielectric material, and the outer periphery of the covered electric wire exposed from the shield portion
  • an outer conductor
  • the technique disclosed in the present specification is a method for manufacturing a connector structure, in which a shielded wire in which the outer circumference of a core wire extending in the front-rear direction is surrounded by an insulating coating and the outer circumference of the covered wire is surrounded by a shield portion.
  • a shielded wire in which the outer circumference of a core wire extending in the front-rear direction is surrounded by an insulating coating and the outer circumference of the covered wire is surrounded by a shield portion.
  • the front outer conductor crimping portion provided on the rear outer conductor is crimped to the outside of the dielectric locking portion provided on the front outer conductor, so that the front outer conductor and the rear outer conductor are Are connected. Since this eliminates the need for processing such as welding, the rear outer conductor and the front outer conductor can be connected without heating. As a result, it is possible to suppress the occurrence of defects in the dielectric due to heat.
  • the dielectric locking portion With respect to the radial direction of the front tubular portion, the dielectric locking portion is reduced in diameter or expanded in diameter with respect to the front tubular portion, and the dielectric is provided on the inner wall surface of the dielectric locking portion. It has a retaining portion that abuts from the front or the rear.
  • One of the front outer conductor and the rear outer conductor is provided with a locking projection protruding toward the other, and the other is provided with a locking recess for locking the locking projection.
  • the relative positioning accuracy of the front outer conductor and the rear outer conductor can be improved by the engagement of the engagement protrusion and the engagement recess.
  • the front outer conductor crimping portion In a state in which the front outer conductor crimping portion is crimped to the outer periphery of the front outer conductor, the front outer conductor crimping portion is formed with a positioning protrusion protruding inward, and the positioning protrusion is It penetrates the front outer conductor and fits into a positioning recess formed by being depressed in the dielectric.
  • the relative positioning accuracy of the front outer conductor, the rear outer conductor, and the dielectric can be improved.
  • One of the front outer conductor crimping portion and the portion of the front outer conductor crimped to the front outer conductor crimping portion in a state where the front outer conductor crimping portion is crimped to the outer periphery of the front outer conductor. Is provided with a connection protrusion protruding toward the other side.
  • the connection protrusion provided on one side is in contact with the other,
  • the rear outer conductor and the front outer conductor can be reliably electrically connected. Thereby, the electrical connection reliability between the rear outer conductor and the front outer conductor can be improved.
  • FIG. 1 is a perspective view showing a female connector structure according to the first embodiment.
  • Sectional drawing which shows a female connector structure
  • Sectional drawing which shows the process which fitted the sleeve on the shield electric wire.
  • Sectional drawing which shows the process of peeling off the sheath of the shielded electric wire.
  • Sectional drawing which shows the process of folding back the braided wire on the sleeve.
  • a perspective view showing a step of inserting the female terminal into the dielectric.
  • Perspective view showing a state in which the female terminal is inserted into the dielectric
  • Sectional drawing which shows the state which the female terminal was inserted in the dielectric material.
  • Sectional drawing which shows the process of crimping a wire barrel to a core wire.
  • FIG. 3 is a perspective view showing a female connector structure according to the second embodiment.
  • FIG. 3 is a perspective view showing a female connector structure according to a third embodiment. Sectional drawing which shows the female connector structure which concerns on Embodiment 3.
  • the female connector structure 10 has a female connector 12 connected to the end of a shielded electric wire 11.
  • the female connector 12 includes a female terminal 18 (an example of an inner conductor), a dielectric 19, a rear outer conductor 33, and a front outer conductor 34.
  • the direction in which the shielded electric wire 11 extends is the front.
  • only some of the members may be denoted by the reference numerals, and other members may not be denoted by the reference numerals.
  • Shielded wire 11 As shown in FIG. 2, in the shielded electric wire 11, a plurality (two in the present embodiment) of covered electric wires 13 are surrounded by a braided wire 14 (an example of a shield part) made of a fine metal wire, and the braided wire 14 is surrounded. Is surrounded by a sheath 15 made of an insulating material.
  • Each covered electric wire 13 includes a core wire 16 and an insulating coating 17 surrounding the outer circumference of the core wire 16.
  • any metal such as copper, copper alloy, aluminum, aluminum alloy, or the like can be selected as necessary.
  • the core wire 16 may be made of one metal element wire, or may be made of a stranded wire in which a plurality of metal element wires are twisted together.
  • the insulating coating 17 and the sheath 15 are made of insulating synthetic resin.
  • the end of the shielded electric wire 11 is subjected to a terminal treatment such as peeling, and the respective ends of the core wire 16, the insulation coating 17, and the braided wire 14 are exposed.
  • the female connector 12 includes a female terminal 18 (an example of an inner conductor), an insulating dielectric 19 that surrounds the outer periphery of the female terminal 18, and an outer conductor 20 that surrounds the outer periphery of the dielectric 19.
  • the outer conductor 20 has a rear outer conductor 33 and a front outer conductor 34 electrically connected to the front end portion of the rear outer conductor 33.
  • the female terminal 18 is formed by pressing a metal plate material into a predetermined shape.
  • the metal forming the female terminal 18 any metal such as copper, copper alloy, aluminum, and aluminum alloy can be selected as necessary.
  • the female terminal 18 is connected to the end of each covered electric wire 13.
  • the female terminal 18 is connected to the wire barrel 22 (an example of a core wire connecting portion) that is crimped so as to be wound around the outer periphery of the core wire 16, and the connecting tubular portion 23 that is connected to the front of the wire barrel 22 and into which a mating terminal (not shown) is inserted. (An example of a connecting portion).
  • a plurality of elastic contact pieces 24 extending in the front-rear direction are provided in the connecting tubular portion 23 by forming a plurality of slits extending rearward from the front end portion of the connecting tubular portion 23.
  • the plurality of elastic contact pieces 24 are reduced in diameter toward the front, and are elastically deformable in the radial direction of the connecting tubular portion 23.
  • the braided wire 14 is formed by braiding a plurality of thin metal wires in a tubular shape. A portion of the braided wire 14 exposed from the end of the sheath 15 is folded back to the end of the sheath 15 and overlapped on the outer side of a sleeve 27 described later.
  • annular sleeve 27 is fitted on the outside of the end of the sheath 15, and the braided wire 14 is overlaid on the outside of the sleeve 27 as described above.
  • the sleeve 27 according to the present embodiment is formed in a substantially annular shape by crimping an elongated metal plate material so as to wind around the outer periphery of the sheath 15.
  • Dielectric 19 As shown in FIG. 2, the periphery of the connecting tubular portion 23 of the female terminal 18 is surrounded by the dielectric material 19.
  • the dielectric 19 is formed by injection molding an insulating synthetic resin.
  • a wire barrel 22 projects rearward from the rear end of the dielectric 19.
  • the dielectric 19 extends in the front-rear direction as a whole and has a cross-sectional shape that is an elongated oval shape in the left-right direction.
  • the dielectric 19 is opened in the front-rear direction, and a plurality of (two in the present embodiment) cavities 32 in which the connection tubular portions 23 of the female terminals 18 are respectively housed are formed side by side in the left-right direction. ..
  • a mating terminal is inserted through the front opening of the cavity 32.
  • the wire barrel 22 is led out from the opening on the rear side of the cavity 32.
  • a flange 28 (an example of a retaining portion) that protrudes outward in the radial direction of the dielectric 19 is formed in a portion of the dielectric 19 that is approximately one-third from the rear end in the front-rear direction.
  • the front outer conductor 34 is formed by pressing a metal plate material into a predetermined shape.
  • any metal such as copper, copper alloy, aluminum, and aluminum alloy can be selected as necessary.
  • the front outer conductor 34 has a front cylindrical portion 38 that surrounds the outer periphery of the dielectric material 19, and a dielectric locking portion 39 that is connected to the rear of the front cylindrical portion 38 and that has a diameter smaller than that of the front cylindrical portion 38.
  • the inner diameter dimension of the front tubular portion 38 is set to be the same as or slightly larger than the outer diameter dimension of the flange 28.
  • the front end portion of the front tubular portion 38 is formed to extend forward of the front end portion of the dielectric body 19.
  • the inner wall surface of the dielectric locking portion 39 is locked to the flange 28 of the dielectric 19 and a portion behind the flange 28.
  • the dielectric 19 inserted through the front opening of the front tubular portion 38 is retained in the rear outer conductor 34 in a state in which it is prevented from slipping backward.
  • Rear outer conductor 33 As shown in FIGS. 2 and 9, the rear outer conductor 33 is formed by pressing a metal plate material into a predetermined shape. As the metal forming the rear outer conductor 33, any metal such as copper, copper alloy, aluminum, and aluminum alloy can be selected as necessary.
  • the rear outer conductor 33 is connected to the shield crimping portion 35 that crimps the braided wire 14 folded back on the sleeve 27 from the outside, and is connected to the front of the shield crimping portion 35 so that the outer periphery of the covered electric wire 13 exposed from the braided wire 14 And a front outer conductor crimping portion that is connected to the front of the rear tubular portion 36 and that is crimped from the outside to the dielectric locking portion 39 that is locked at a position near the rear end of the dielectric 19 37.
  • the rear outer conductor 33 is crimped to the outer periphery of the braided wire 14 in a form in which the left and right edges are attached to each other, and is crimped from the outside to a position near the rear end of the dielectric locking portion 39.
  • the front outer conductor crimping portion 37 is crimped to a portion of the dielectric material 19 that is behind the flange 28. By crimping the front outer conductor crimping portion 37 from the outside of the dielectric locking portion 39, the front outer conductor crimping portion 37 and the dielectric locking portion 39 are fixed to the dielectric 19 and the front outer The conductor 34 and the rear outer conductor 33 are electrically connected.
  • the outer diameter dimension of the shield crimping portion 35 is the outer diameter dimension of the front outer conductor crimping portion 37. Is set larger than.
  • the rear tubular portion 36 which is located between the shield crimping portion 35 and the front outer conductor crimping portion 37, is formed in a shape in which the diameter is reduced toward the front.
  • the sleeve 27 is fitted on the outer periphery of the sheath 15 at a position retracted from the end portion of the shielded electric wire 11 by a predetermined length dimension.
  • the braided wire 14 is exposed from the sheath 15 by peeling off a portion of the sheath 15 in front of the front end portion of the sleeve 27.
  • the braided wire 14 is cut into a predetermined length, and the covered electric wire 13 is exposed from the braided wire 14.
  • the sleeve 27 serves as a mark for the position where the sheath 15 is peeled off.
  • the braided wire 14 is folded back and overlapped on the sleeve 27.
  • the insulation coating 17 is peeled off with a predetermined length to expose the core wire 16 from the insulation coating 17.
  • the female terminal 18 is inserted into the cavity 32 of the dielectric 19 from the rear. As shown in FIGS. 7 and 8, the wire barrel 22 of the female terminal 18 projects rearward from the rear end of the dielectric 19.
  • the front outer conductor 34 is formed into a tubular shape.
  • the dielectric 19 is inserted from the front of the front cylindrical portion 38 of the front outer conductor 34. As shown in FIG. 8, a portion of the dielectric 19 behind the flange 28 is locked to the dielectric locking portion 39 of the front outer conductor 34 from the front. As a result, the dielectric 19 is held by the front outer conductor 34 in a state where it does not come out backward.
  • the female barrel 18 is connected to the end of the coated electric wire 13 by crimping the wire barrel 22 to the outer periphery of the core wire 16 exposed from the front end of the insulating coating 17.
  • the shield crimp portion 35 of the rear outer conductor 33 is crimped from the outside to the braided wire 14 folded back on the sleeve 27. Further, the front outer conductor crimping portion 37 of the rear outer conductor 33 is crimped to the dielectric locking portion 39 of the front outer conductor 34 from the outside.
  • the step of crimping the shield crimp portion 35 to the braided wire 14 and the step of crimping the front outer conductor crimp portion 37 to the dielectric locking portion 39 may be performed in the same step. Further, the step of crimping the shield crimp portion 35 to the braided wire 14 and the step of crimping the front outer conductor crimp portion 37 to the dielectric locking portion 39 may be performed separately.
  • the front outer conductor crimping portion 37 may be crimped to the dielectric locking portion 39 after the shield crimping portion 35 has been crimped to the braided wire 14 first, or the front outer conductor crimping portion 37 may be first locked to the dielectric material.
  • the shield crimp portion 35 may be crimped to the braided wire 14 after crimping to the portion 39.
  • the female connector structure 10 includes the shielded electric wire 11 in which the outer circumference of the core wire 16 extending in the front-rear direction is surrounded by the insulating coating 17 and the outer circumference of the covered electric wire 13 is surrounded by the braided wire 14, and the core wire.
  • a female terminal 18 having a wire barrel 22 connected to 16 and a connecting tube portion 23 connected to the counterpart terminal in a row with the wire barrel 22, and an insulation surrounding at least the outer periphery of the connecting tube portion 23 of the female terminal 18.
  • 14 has a rear tubular portion 36 that surrounds the outer periphery of the covered electric wire 13 exposed from 14, and also has a shield crimping portion 35 that crimps the braided wire 14 from the outside, and crimps the dielectric locking portion 39 from the outside.
  • a rear outer conductor 33 having a front outer conductor crimping portion 37.
  • the front outer conductor crimping portion 37 provided on the rear outer conductor 33 is crimped to the outside of the dielectric locking portion 39 provided on the front outer conductor 34, whereby the front outer conductor 34 is formed. And the rear outer conductor 33 are connected. Since this eliminates the need for processing such as welding, the rear outer conductor 33 and the front outer conductor 34 can be connected without heating. Accordingly, it is possible to prevent the dielectric 19 from being defective due to heat.
  • the outer circumference of the core wire 16 extending in the front-rear direction is surrounded by the insulating coating 17, and the outer circumference of the covered wire 13 is surrounded by the braided wire 14.
  • the rear outer conductor 33 and the front outer conductor 34 are crimped to at least a part of the dielectric 19 by the front outer conductor crimping portion 37 of the rear outer conductor 33 and at least the front outer conductor crimping.
  • the dielectric locking portion 39 is connected to a part of the portion 37 by being locked.
  • the rear outer conductor 33 and the front outer conductor 34 can be connected without welding.
  • the rear outer conductor 33 and the front outer conductor 34 can be connected to each other without heating, so that the dielectric 19 can be prevented from being defective due to heat.
  • the dielectric locking portion 39 is reduced in diameter with respect to the front tubular portion 38, and the dielectric 19 is the dielectric locking portion 39.
  • the dielectric 51 has a substantially cylindrical shape extending in the front-rear direction.
  • the dielectric 51 is formed with one cavity 32 that is open in the front and rear.
  • One female terminal 18 is accommodated in the cavity 32.
  • the rear outer conductor 52 includes a shield crimping portion 53 having a substantially cylindrical shape, and a front outer conductor crimping portion 54 formed coaxially with the shield crimping portion 53 and having a substantially cylindrical shape.
  • the front outer conductor 55 has a substantially cylindrical front cylinder portion 56 and a dielectric locking portion 57 formed coaxially with the front cylinder portion 56.
  • the diameter of the dielectric locking portion 57 is smaller than that of the front tubular portion 56.
  • the dielectric body 51 according to the present embodiment can be effectively applied to the female connector structure 50 including the shielded electric wire 11 in which one covered electric wire 13 is arranged in the sheath 15.
  • a female connector structure 60 according to a third embodiment of the technology disclosed in this specification will be described with reference to FIGS. 14 to 16.
  • a retaining portion 62 having a diameter larger than that of the flange 28 in the radial direction of the dielectric body 61 is formed behind the flange 28.
  • a groove-shaped positioning recess 63 On the upper surface and the lower surface of the retaining portion 62, a groove-shaped positioning recess 63 that is elongated in the left-right direction is formed.
  • a dielectric locking portion 65 that locks the retaining portion 62 of the dielectric 61 from the outside is provided.
  • the diameter of the dielectric locking portion 65 is larger than that of the front tubular portion 38.
  • the inner shape of the dielectric locking portion 65 is formed to be substantially the same as the outer shape of the retaining portion 62 of the dielectric 61.
  • the dielectric 61 is inserted into the front outer conductor 64 from the rear.
  • the retaining portion 62 of the dielectric 61 is adapted to engage with the inner wall surface of the dielectric engaging portion 65 of the front outer conductor 64 from the rear side. As a result, the dielectric 61 is retained in the rear outer conductor 64 in a state in which it is prevented from coming out backward.
  • a through hole 66 is formed in a position corresponding to the positioning recess 63 in the dielectric locking portion 65 formed on the front outer conductor 64 in a state where the dielectric 61 is arranged inside the front outer conductor 64. ing.
  • the through hole 66 has a shape elongated in the left-right direction, and is formed in substantially the same shape as the opening of the positioning recess 63.
  • substantially the same shape includes the case where the shapes are the same, and the case where the shapes are not the same but can be recognized as substantially the same.
  • a positioning protrusion 69 is formed on the front outer conductor crimping portion 68.
  • the positioning protrusion 69 is formed by bending the front end edge of the rear outer conductor 67 inward.
  • the positioning protrusion 69 is located in the radial direction of the dielectric 61 at a position corresponding to the through hole 66 and the positioning recess 63 in a state where the front outer conductor crimping portion 68 is crimped from the outside of the dielectric locking portion 65. It is formed so as to project in one direction.
  • the projecting dimension of the positioning convex portion 69 from the front outer conductor crimping portion 68 is set to be equal to or slightly smaller than the sum of the thickness dimension of the dielectric locking portion 65 and the depth dimension of the positioning concave portion 63.
  • the positioning projection 69 penetrates the dielectric locking portion 65 of the front outer conductor 64 and It is adapted to be fitted into the positioning recess 63 of the dielectric 61.
  • the positioning protrusion 69 is adapted to engage with the inner surface of the through hole 66 and the inner surface of the positioning recess 63 in the front-rear direction and the left-right direction.
  • the diameter of the dielectric locking portion 65 is larger than that of the front tubular portion 38, and the dielectric 61 is a retaining portion 62 that comes into contact with the inner wall surface of the dielectric locking portion 65 from the rear. Have. As a result, the dielectric 61 can be held by the front outer conductor 64 in a state where it does not come out backward.
  • the front outer conductor crimping portion 68 is formed with the positioning projection 69 that projects inwardly in a state where the front outer conductor crimping portion 68 is crimped to the outer periphery of the front outer conductor 64.
  • the positioning protrusion 69 penetrates the front outer conductor 64 and fits into the positioning recess 63 formed by being depressed in the dielectric 61. Thereby, the relative positioning accuracy of the front outer conductor 64, the rear outer conductor 67, and the dielectric 61 can be improved.
  • the dielectric 70 has one cavity 32.
  • the female terminal 18 is accommodated in the cavity 32.
  • the dielectric 70 has a cylindrical shape extending in the front-rear direction.
  • On the outer surface of the dielectric 70 a plurality of (four in the present embodiment) positioning recesses 71 are provided at intervals in the circumferential direction of the dielectric 70.
  • the four positioning recesses 71 are provided on the top, bottom, left side, and right side of the dielectric 70.
  • the dielectric locking portion 73 of the front outer conductor 72 is fitted on the outer periphery of the dielectric 70.
  • a plurality of (four in this embodiment) through-holes 74 are formed in the dielectric 70 at positions corresponding to the positioning recesses 71 of the dielectric 70 in a state where the dielectric locking portion 73 is fitted onto the dielectric 70. Has been formed.
  • the front outer conductor crimping portion 76 of the rear outer conductor 75 is crimped to the outside of the dielectric locking portion 73.
  • inward positioning projections 77 are formed at positions corresponding to the through holes 74 and the positioning recesses 71.
  • the positioning protrusion 77 is formed by bending the front end edge of the rear outer conductor 75 inward.
  • the positioning protrusion 77 is located in the radial direction of the dielectric 70 at a position corresponding to the through hole 74 and the positioning recess 71 in a state where the front outer conductor crimping portion 76 is crimped from the outside of the dielectric locking portion 73. It is formed so as to project in one direction.
  • the portion of the dielectric locking portion 73 crimped to the front outer conductor crimping portion 76 faces the front outer conductor crimping portion 76.
  • a plurality of (four in the present embodiment) connecting protrusions 78 that project are provided.
  • the four connection protrusions 78 are provided at intervals in the circumferential direction of the dielectric locking portion 73 and at positions different from the through holes 74.
  • the connecting protrusion 78 is in contact with the inner surface of the front outer conductor crimping portion 76 from the inside.
  • the rear outer conductor 75 and the front outer conductor 72 are reliably electrically connected. Thereby, the electrical connection reliability between the rear outer conductor 75 and the front outer conductor 72 can be improved.
  • FIG. 18 in the dielectric body 80 according to the present embodiment, the rear end portion of the flange 81 is inclined so that the diameter decreases toward the rear side.
  • the shape of the rear end of the flange 81 is formed so as to match the shape of the portion of the front outer conductor 82 that connects the front tubular portion 38 and the dielectric locking portion 83.
  • a locking projection 84 protruding upward and downward is provided at the rear end of the dielectric locking portion 83. It is formed by cutting and raising.
  • the projecting height dimension of the locking convex portion 84 from the dielectric locking portion 83 is set to be larger than the thickness dimension of the front outer conductor crimping portion 85.
  • the front outer conductor crimping portion 85 in a state where the front outer conductor crimping portion 85 is crimped to the dielectric locking portion 83, the front outer conductor crimping portion 85 is locked at a position corresponding to the locking projection 84.
  • a recess 86 is formed.
  • the inner shape of the locking concave portion 86 is set to be the same as or slightly larger than the outer shape of the locking convex portion 84.
  • the locking convex portion 84 is fitted into the locking concave portion 86.
  • the locking convex portion 84 and the locking concave portion 86 are locked to each other in the front-rear direction and the left-right direction, so that the front outer conductor 82 and the rear outer conductor 87 are relatively positioned.
  • the accuracy can be improved.
  • FIGS. 21 to 22 a sixth embodiment according to the technique disclosed in this specification will be described with reference to FIGS. 21 to 22.
  • a locking projection 90 that projects upward and downward is provided at the dielectric locking portion 83. It is formed by tapping upward and downward.
  • the projection size of the locking projection 90 from the dielectric locking part 83 is set to be substantially the same as the thickness size of the front outer conductor crimping part 85.
  • the locking projection 90 is elongated in the left-right direction and is formed so as to project outward in the radial direction of the dielectric locking part 83.
  • the front outer conductor crimping portion 85 in a state where the front outer conductor crimping portion 85 is crimped to the dielectric locking portion 83, the front outer conductor crimping portion 85 is locked at a position corresponding to the locking projection 90.
  • a recess 91 is formed.
  • the inner shape of the locking concave portion 91 is set to be the same as or slightly larger than the outer shape of the locking convex portion 90.
  • the locking projection 90 is fitted into the locking recess 91.
  • the locking projection 90 and the locking recess 91 are locked to each other in the front-rear direction and the left-right direction, so that the front outer conductor 82 and the rear outer conductor 87 are relatively positioned.
  • the accuracy can be improved.
  • a seventh embodiment according to the technique disclosed in this specification will be described with reference to FIGS. 23 to 24.
  • a locking projection 92 that projects upward and downward is provided at the rear of the dielectric locking portion 83. It is formed by folding the end part forward.
  • the projecting height dimension of the locking projection 92 from the dielectric locking section 83 is set to be substantially the same as the thickness dimension of the front outer conductor crimping section 85.
  • the locking projection 92 is elongated in the left-right direction and is formed so as to project outward in the radial direction of the dielectric locking part 83.
  • the front outer conductor crimping portion 85 in a state where the front outer conductor crimping portion 85 is crimped to the dielectric locking portion 83, the front outer conductor crimping portion 85 is locked at a position corresponding to the locking projection 90.
  • a recess 93 is formed.
  • the inner shape of the locking recess 93 is set to be the same as or slightly larger than the outer shape of the locking projection 92.
  • the locking projection 92 is fitted into the locking recess 93 in a state where the front outer conductor crimping section 85 is crimped to the dielectric locking section 83.
  • the locking projection 92 and the locking recess 93 are locked to each other in the front-rear direction and the left-right direction, so that the front outer conductor 82 and the rear outer conductor 87 are relatively positioned.
  • the accuracy can be improved.
  • the shielded electric wire may have three or more covered electric wires.
  • the shield layer is not limited to the braided wire 14, and any material such as a metal foil or a resin tape to which a metal foil is attached can be appropriately selected.
  • the sheath 15 may be omitted.
  • a crimping member formed separately from the rear outer conductor 33 is crimped to the shield crimping portion from outside the shield crimping portion in a state where the shield crimping portion 35 is fitted onto the outer periphery of the braided wire 14.
  • the braided wire 14 and the shield crimp portion 35 may be electrically connected.
  • the connector structure may be a male terminal structure including male terminals.
  • the front outer conductor crimping portion may be provided on its inner surface with a connection protrusion protruding toward the dielectric locking portion.
  • the front outer conductor crimping portion is provided with a locking projection protruding inward, and the dielectric locking portion is provided with a locking recess into which the locking projection is fitted. It may be configured to be. Further, the number of the locking concave portions and the number of the locking convex portions may each be one, or may be three or more.
  • Female connector structure (an example of connector structure) 11: Shielded wire 12: Female connector 13: Coated wire 14: Braided wire (an example of shield part) 15: sheath 16: core wire 17: insulating coating 18: female terminal (an example of inner conductor) 19, 51, 61, 70, 80: Dielectric 20: Outer conductor 22: Wire barrel (an example of core wire connection part) 23: Connection tube part (an example of connection part) 24: Elastic contact piece 27: Sleeve 28, 81: Flange (an example of retaining portion) 32: Cavity 33, 52, 67, 75, 87: Rear outer conductor 34, 55, 64, 72, 82: Front outer conductor 35, 53: Shield crimping portion 36: Rear cylinder portion 37, 54, 76, 83: Dielectric Body crimping portion 38, 56: Front cylinder portion 39, 57, 65, 73, 83: Dielectric locking portion 62: Detachment prevention portion 63: Positioning concave portion 66

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
PCT/JP2019/047257 2018-12-21 2019-12-03 コネクタ構造体、及びコネクタ構造体の製造方法 Ceased WO2020129624A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US17/312,864 US11855402B2 (en) 2018-12-21 2019-12-03 Connector structure and connector structure manufacturing method
CN201980083361.8A CN113196590B (zh) 2018-12-21 2019-12-03 连接器结构体及连接器结构体的制造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018239931A JP7129010B2 (ja) 2018-12-21 2018-12-21 コネクタ構造体
JP2018-239931 2018-12-21

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WO2020129624A1 true WO2020129624A1 (ja) 2020-06-25

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US (1) US11855402B2 (enExample)
JP (1) JP7129010B2 (enExample)
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US11855402B2 (en) 2023-12-26
CN113196590B (zh) 2023-05-12
JP7129010B2 (ja) 2022-09-01
US20220013971A1 (en) 2022-01-13
CN113196590A (zh) 2021-07-30

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