WO2021241147A1 - シールド導電路 - Google Patents

シールド導電路 Download PDF

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Publication number
WO2021241147A1
WO2021241147A1 PCT/JP2021/017320 JP2021017320W WO2021241147A1 WO 2021241147 A1 WO2021241147 A1 WO 2021241147A1 JP 2021017320 W JP2021017320 W JP 2021017320W WO 2021241147 A1 WO2021241147 A1 WO 2021241147A1
Authority
WO
WIPO (PCT)
Prior art keywords
locking
caulking
caulking portion
locking portion
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/JP2021/017320
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
和明 浜田
佑介 小島
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 CN202180034244.XA priority Critical patent/CN115516718A/zh
Priority to US17/924,849 priority patent/US12388196B2/en
Publication of WO2021241147A1 publication Critical patent/WO2021241147A1/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
    • 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
    • H01R4/10—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6592—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable
    • H01R13/6593—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable the shield being composed of different pieces
    • 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
    • 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
    • H01R4/10—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section

Definitions

  • This disclosure relates to a shielded conductive path.
  • Patent Document 1 discloses a structure in which a U-shaped caulked portion formed on an outer conductor terminal is crimped to the outer periphery of a shield conductor of a shielded electric wire.
  • a first hook-shaped piece bent in a folded shape is formed at one end of the crimped portion, and a second hook-shaped piece bent in a folded shape is formed at the other end of the crimped portion.
  • the first hook-shaped piece and the second hook-shaped piece engage with each other to prevent the crimped portion from expanding and deforming.
  • the first hook-shaped piece forming a folded shape and the second hook-shaped piece forming a folded shape are engaged so as to overlap in four layers in the radial direction, so that the crimped portion is crimped by the crimped portion.
  • the portion becomes larger in the radial direction.
  • the connector of the present disclosure has been completed based on the above circumstances, and an object thereof is to reduce the diameter.
  • the shielded conductive path of the present disclosure is A shielded wire that surrounds the core wire with a shield layer, A shield terminal having an inner conductor connected to the core wire and an outer conductor having an open barrel-shaped crimping portion formed therein is provided.
  • the crimping portion has a first caulking portion in which a protruding first locking portion is formed and a second caulking portion in which a second locking portion is formed, and the first locking portion is the second. It is crimped to the outer surface of the shield layer in a state of being locked to the locking portion.
  • the radial locking allowance of the first locking portion and the second locking portion is within the range of the plate thickness of the second caulking portion.
  • FIG. 1 is a plan view of the shielded conductive path of the first embodiment.
  • FIG. 2 is a side sectional view of the shielded conductive path.
  • FIG. 3 is a cross-sectional view taken along the line XX of FIG.
  • FIG. 4 is a perspective view showing the form of the crimped portion before crimping.
  • FIG. 5 is a developed view of the crimping portion.
  • FIG. 6 is a perspective view showing the form of the crimping portion before crimping in the second embodiment.
  • FIG. 7 is a cross-sectional view corresponding to XX of the shielded conductive path of the second embodiment.
  • FIG. 8 is a cross-sectional view corresponding to XX of the shielded conductive path of the third embodiment.
  • FIG. 9 is a cross-sectional view corresponding to XX of the shielded conductive path of the fourth embodiment.
  • FIG. 10 is a partial plan view of the shielded conductive path of the fifth embodiment.
  • FIG. 11 is a cross-sectional view taken along the line YY of FIG.
  • the shielded conductive path of the present disclosure is (1) A shielded electric wire in which a core wire is surrounded by a shield layer, an inner conductor connected to the core wire, and a shield terminal having an outer conductor in which an open barrel-shaped crimping portion is formed are provided, and the crimping portion is a protrusion. It has a first caulking portion on which a first locking portion is formed and a second caulking portion on which a second locking portion is formed, and the first locking portion is locked to the second locking portion.
  • the radial locking allowance of the first locking portion and the second locking portion is within the range of the plate thickness of the second caulking portion.
  • the first locking portion and the second locking portion are engaged.
  • the diameter can be reduced as compared with the case where the radial locking allowance of the stop portion is secured outside the range of the plate thickness of the first caulking portion and the second caulking portion.
  • the first locking portion is in a form in which the tip end portion of the first caulking portion is bent in a folded shape. According to this configuration, the locking strength is higher than that in which the tip edge portion of the first caulking portion is bent at a right angle.
  • the first locking portion is a form in which a part of the first caulking portion is cut up in the plate thickness direction of the first caulking portion. According to this configuration, the material cost can be reduced as compared with the one in which the portion extending in a plane from the outer peripheral edge of the first caulking portion is bent.
  • the first locking portion is formed by bending the first caulking portion along a crease in the circumferential direction. According to this configuration, since the first locking portion has high rigidity against an external force in the circumferential direction, it is possible to prevent the crimping portion from expanding and deforming due to the deformation of the first locking portion. can.
  • the first caulking portion is laminated on the outer peripheral side of the second caulking portion. According to this configuration, the locking portion with the second locking portion in the first locking portion is not exposed on the outer peripheral surface of the second caulking portion, so that the engagement with the second locking portion in the first locking portion is engaged. It is possible to prevent the stop portion from coming off from the second locking portion due to the interference of foreign matter.
  • the first caulking portion and the second caulking portion are formed with a displacement regulating portion capable of regulating the relative displacement of the first caulking portion and the second caulking portion in the axial direction by abutting against each other. Is preferable. According to this configuration, the relative displacement of the first caulking portion and the second caulking portion in the axial direction is prevented by the displacement restricting portion, so that the locked state between the first locking portion and the second locking portion is maintained. can do.
  • FIGS. 1 to 5 The first embodiment of the present disclosure will be described with reference to FIGS. 1 to 5. It should be noted that the present invention is not limited to these examples, and is indicated by the scope of claims, and is intended to include all modifications within the meaning and scope equivalent to the scope of claims.
  • the left side in FIGS. 1 and 2 is defined as the front in the front-back direction.
  • the directions appearing in FIGS. 2 and 3 are defined as upward and downward as they are.
  • the shielded conductive path A of the first embodiment includes a shielded electric wire 10, a sleeve 15 externally fitted to the shielded electric wire 10, and a shield terminal 20 connected to the front end of the shielded electric wire 10 by using the sleeve 15.
  • the shielded electric wire 10 has a form in which the core wire 11 is surrounded by an insulating coating 12, a tubular shield layer 13 is superposed on the outer periphery of the insulating coating 12, and the outer periphery of the shield layer 13 is surrounded by a sheath 14.
  • the front end of the shielded electric wire 10 is arranged with the axis direction facing the front-back direction.
  • the front-back direction and the axial direction are used interchangeably.
  • the sheath 14 and the insulating coating 12 are removed, the core wire 11 is exposed in front of the insulating coating 12, the sheath 14 is removed, and the shield layer 13 is exposed. doing.
  • a cylindrical sleeve 15 having conductivity such as metal is fitted on the outer periphery of the shield layer 13.
  • the front end portion of the shield layer 13 is folded back to cover the outer circumference of the sleeve 15.
  • the shield terminal 20 includes an inner conductor 21 connected to the front end of the core wire 11, a dielectric 22 containing the inner conductor 21, and an outer conductor 23 attached to the dielectric 22 while surrounding the outer circumference of the dielectric 22. It is configured with.
  • the outer conductor 23 has a square tubular main body portion 24 that constitutes the front end portion of the outer conductor 23, and a cylindrical crimping portion 25 that is connected to the rear end of the main body portion 24 and forms the rear end portion of the outer conductor 23. It is configured in preparation.
  • the axis of the outer conductor 23 and the axis of the shielded electric wire 10 are coaxial and face in the front-rear direction.
  • the inner conductor 21 and the dielectric 22 are housed in the main body 24.
  • the crimping portion 25 is a portion for fixing the outer conductor 23 to the outer periphery of the shielded electric wire 10.
  • the crimping portion 25 includes a substrate portion 26 extending rearward from the rear end of the main body portion 24, a first caulking portion 27 extending in one direction from the substrate portion 26 in the circumferential direction, and a first crimping portion 27 extending from the substrate portion 26 in the circumferential direction. It has a second caulking portion 28 extending in the direction opposite to the one caulking portion 27.
  • the crimping portion 25 has a tapered shape so as to gradually increase in diameter from the front end to the rear end.
  • the first extending end edge portion 29, which is the extending direction tip edge portion of the first caulking portion 27, and the second extending end edge portion 30, which is the extending direction tip edge portion of the second caulking portion 28, are in the circumferential direction. It is in a state of being separated from each other.
  • a first locking portion 31 and a first displacement regulating portion 35 are formed on the first extending end edge portion 29.
  • the first locking portion 31 is arranged at the rear end portion of the first extending end edge portion 29.
  • the first locking portion 31 has a base portion 32 protruding in the circumferential direction from the rear end portion of the first extending end edge portion 29 toward the second extending end edge portion 30, and a peripheral direction opposite from the protruding end of the base portion 32. It has a folded-back portion 33 that is folded back in the direction.
  • the base portion 32 is flush with the first caulking portion 27.
  • the outer peripheral surface of the base portion 32 and the outer peripheral surface of the first caulking portion 27 are smoothly continuous, and the inner peripheral surface of the base portion 32 and the inner peripheral surface of the first caulking portion 27 are smoothly continuous. Therefore, there is no radial step at the boundary between the base portion 32 and the first caulking portion 27.
  • the folded-back portion 33 is arranged so as to be in close contact with the inner peripheral surface of the base portion 32 or to face the inner peripheral surface of the base portion 32 in close proximity to each other.
  • the width dimension of the folded portion 33 in the axial direction is the same as the width dimension of the base portion 32 in the axial direction.
  • the folded-back portion 33 has a form protruding inward in the radial direction from the inner peripheral surfaces of the base portion 32 and the first caulking portion 27.
  • the tip surface of the folded-back portion 33 is arranged radially inside the first caulking portion 27, faces the first caulking portion 27 and the substrate portion 26 in the circumferential direction, and is the first locking surface 34 orthogonal to the circumferential direction. Functions as.
  • the first locking portion 31 has a protruding shape protruding inward in the radial direction from the first caulking portion 27.
  • the first displacement regulating portion 35 is formed in a region of the first extending end edge portion 29 in front of the first locking portion 31.
  • the first displacement regulating portion 35 has a pair of first protrusions 36 spaced apart from each other in the front-rear direction, and a first recess 37 formed between the first protrusions 36.
  • the first projecting portion 36 has a form protruding from the first extending end edge portion 29 toward the second extending end edge portion 30.
  • the first recess 37 is a form in which the first extending end edge portion 29 is recessed.
  • a second locking portion 38 and a second displacement regulating portion 41 are formed on the second extending end edge portion 30.
  • the second locking portion 38 is arranged at the rear end portion of the second extending end edge portion 30.
  • the second locking portion 38 projects in the circumferential direction from the rear end portion of the second extending end edge portion 30 toward the first extending end edge portion 29.
  • the second locking portion 38 is flush with the second caulking portion 28.
  • the outer peripheral surface of the second locking portion 38 and the outer peripheral surface of the second caulking portion 28 are smoothly continuous, and the inner peripheral surface of the second locking portion 38 and the inner peripheral surface of the second caulking portion 28 are smooth. It is continuous. Therefore, there is no radial step at the boundary between the second locking portion 38 and the second caulking portion 28.
  • the second locking portion 38 has a square opening 39.
  • the opening 39 is cut out so as to penetrate the second caulking portion 28 from the outer peripheral surface to the inner peripheral surface.
  • the inner peripheral surface of the opening 39 has two inner side surfaces spaced apart from each other in the circumferential direction of the crimping portion 25, and a front surface and a rear surface spaced apart from each other in the axial direction. Of the two inner surfaces, the inner surface on the side closer to the first extending end edge portion 29 functions as the second locking surface 40.
  • the second locking surface 40 is arranged only within the range of the plate thickness of the second caulking portion 28 and the second locking portion 38.
  • the second locking surface 40 is a surface orthogonal to the circumferential direction and faces the second caulking portion 28 and the substrate portion 26 side in the circumferential direction.
  • the second displacement regulating portion 41 is formed in a region of the second extending end edge portion 30 in front of the second locking portion 38.
  • the second displacement regulating portion 41 has a pair of second recesses 42 spaced apart from each other in the front-rear direction, and a second protrusion 43 formed between the second recesses 42.
  • the second recess 42 is a form in which the second extending end edge portion 30 is recessed.
  • the second projecting portion 43 has a form protruding from the second extending end edge portion 30 toward the first extending end edge portion 29.
  • the first caulking portion 27 is formed with a stopper 44 in which a part of the first caulking portion 27 is cut and raised so as to extend diagonally forward in the radial direction.
  • the stopper 44 of the first caulking portion 27 is arranged at a position closer to the substrate portion 26 than the first extending end edge portion 29.
  • the front end of the stopper 44 of the first caulking portion 27 is located in front of the first locking portion 31.
  • the second caulking portion 28 is formed with a stopper 44 in a form in which a part of the second caulking portion 28 is cut and raised so as to extend obliquely forward in the radial direction.
  • the stopper 44 of the second caulking portion 28 is arranged at a position closer to the substrate portion 26 than the second extending end edge portion 30.
  • the front end of the stopper 44 of the second caulking portion 28 is located in front of the second locking portion 38.
  • the crimping portion 25 is crimped to the shielded electric wire 10 by setting the crimping portion 25 and the front end portion of the shielded electric wire 10 in an applicator (not shown).
  • the first caulking portion 27 and the second caulking portion 28 are deformed in diameter and crimped so as to be wound around the outer periphery of the shielded electric wire 10.
  • the rear end portion of the first caulking portion 27 and the second caulking portion 28 in which the first locking portion 31 and the second locking portion 38 are formed is a sheath. It is fitted to the front end of 14.
  • the first extending end edge portion 29 is located on the outer peripheral surfaces of the second extending end edge portion 30 and the second locking portion 38, as shown in FIG. It is piled up.
  • the folded-back portion 33 is housed in the opening 39, and the first locking surface 34 and the second locking surface 40 are in contact with each other in the circumferential direction.
  • the first caulking portion 27 and the second caulking portion 28 are prevented from being relatively displaced so as to be separated in the circumferential direction, and the crimping portion 25 is a shielded electric wire. It is firmly fixed to the outer circumference of 10.
  • first caulking portion 27 and the second caulking portion 28 regions in front of the first locking portion 31 and the second locking portion 38, that is, the first displacement regulating portion 35 and the second displacement regulating portion 41 are formed.
  • the region is fitted in the region where the shield layer 13 in front of the sheath 14 is exposed.
  • the first caulking portion 27 and the second caulking portion 28 are the shield layer 13. It is crimped to the outer circumference.
  • the first caulking portion 27 and the second caulking portion 28 are displaced relative to each other in the axial direction. Is regulated.
  • the shielded conductive path A of the first embodiment includes a shielded electric wire 10 in which the core wire 11 is surrounded by the shielded layer 13, and a shielded terminal 20.
  • the shield terminal 20 has an inner conductor 21 connected to the core wire 11 and an outer conductor 23 on which an open barrel-shaped crimping portion 25 is formed.
  • the crimping portion 25 has a first caulking portion 27 in which a protruding first locking portion 31 is formed, and a second caulking portion 28 in which a second locking portion 38 is formed.
  • the crimping portion 25 is crimped to the outer surface of the shield layer 13 in a state where the first locking portion 31 is locked to the second locking portion 38.
  • the radial locking allowance of the first locking portion 31 and the second locking portion 38 that is, the relationship between the first locking surface 34 and the second locking surface 40 in the plate thickness direction of both the locking portions 31 and 38.
  • the stopping range is limited to the range of the plate thickness of the second caulking portion 28 (second locking portion 38).
  • the shield is shielded.
  • the outer periphery of the electric wire 10 has a two-layer structure consisting of only the first caulking portion 27 and the second caulking portion 28. Therefore, the diameter of the shielded conductive path A can be reduced in the crimping portion between the shielded electric wire 10 and the crimping portion 25.
  • the first locking portion 31 Since the first locking portion 31 has a form in which the tip portion of the first caulking portion 27 is bent in a folded shape, it is locked as compared with a form in which the tip edge portion of the first caulking portion 27 is bent at a right angle. High strength.
  • the first extending end edge portion 29 of the first caulking portion 27 is laminated on the outer peripheral side of the second extending end edge portion 30 of the second caulking portion 28. According to this configuration, the locking portion (folded portion 33 and the first locking surface 34) of the first locking portion 31 with the second locking portion 38 is not exposed on the outer peripheral surface of the second caulking portion 28. Therefore, the locking portion (folded portion 33 and the first locking surface 34) of the first locking portion 31 with the second locking portion 38 is the second locking portion 38 (second locking surface 40) due to the interference of foreign matter. ) Can be prevented from coming off.
  • the first caulking portion 27 is formed with a first displacement regulating portion 35
  • the second caulking portion 28 is formed with a second displacement regulating portion 41. Since the first displacement regulating portion 35 and the second displacement regulating portion 41 are in contact with each other, the relative displacement of the first caulking portion 27 and the second caulking portion 28 in the axial direction is regulated, so that the first locking is performed. The locked state of the portion 31 and the second locking portion 38 can be maintained.
  • the pair of stoppers 44 are arranged so as to abut from the rear with respect to the sleeve 15 or to face the sleeve 15 from the rear in close proximity to each other. .. According to this arrangement, even if the shielded electric wire 10 is pulled backward, the rear end of the sleeve 15 abuts on the stopper 44, so that the relative displacement of the shielded electric wire 10 with respect to the shield terminal 20 can be prevented.
  • Example 2 embodying the present disclosure will be described with reference to FIGS. 6 to 7.
  • the shielded conductive path B of the second embodiment has a crimping portion 50 having a different configuration from that of the first embodiment. Since other configurations are the same as those in the first embodiment, the same components are designated by the same reference numerals, and the description of the structure, action, and effect will be omitted.
  • the crimping portion 50 of the second embodiment includes a substrate portion 51 extending rearward from the rear end of the main body portion 24 of the outer conductor 23, and a first caulking portion 52 extending in one direction from the substrate portion 51 in the circumferential direction. It has a second caulking portion 53 extending in the direction opposite to the first caulking portion 52 in the circumferential direction from the substrate portion 51. As shown in FIG. 6, when the crimping portion 50 is not crimped to the shielded electric wire 10, the crimping portion 50 has a tapered shape so as to gradually increase in diameter from the front end to the rear end.
  • a first locking portion 55 is formed on the first extending end edge portion 54, which is the extending direction tip edge portion of the first caulking portion 52.
  • the first locking portion 55 is a base portion 56 protruding in the circumferential direction from the rear end portion of the first extending end edge portion 54 toward the second extending end edge portion 59 of the second caulking portion 53, and the base portion 56. It has a folded-back portion 57 that is folded back from the protruding end in the opposite direction in the circumferential direction.
  • the base portion 56 is flush with the first caulking portion 52.
  • the folded-back portion 57 is arranged so as to be in close contact with the inner peripheral surface of the base 56 or to face the inner peripheral surface of the base 56 in close proximity to each other.
  • the folded-back portion 57 has a form protruding radially outward from the inner peripheral surfaces of the base portion 56 and the first caulking portion 52.
  • the tip surface of the folded-back portion 57 faces the first caulking portion 52 and the substrate portion 51 in the circumferential direction, and functions as a first locking surface 58 orthogonal to the circumferential direction.
  • the first locking portion 55 has a protruding shape protruding radially outward from the first caulking portion 52.
  • a second locking portion 60 is formed on the second extending end edge portion 59, which is the extending direction tip edge portion of the second caulking portion 53.
  • the second locking portion 60 projects in the circumferential direction from the rear end portion of the second extending end edge portion 59 toward the first extending end edge portion 54.
  • the second locking portion 60 is flush with the second caulking portion 53.
  • the second locking portion 60 has a rectangular opening 61. The opening 61 is cut out so as to penetrate the second caulking portion 53 from the outer peripheral surface to the inner peripheral surface.
  • the inner peripheral surface of the opening 61 has two inner side surfaces spaced apart from each other in the circumferential direction of the crimping portion 50, and a front surface 63 and a rear surface 64 spaced apart from each other in the axial direction. Of the two inner surfaces, the inner surface on the side closer to the first extending end edge portion 54 functions as the second locking surface 62.
  • the second locking surface 62 is arranged only within the plate thickness range of the second caulking portion 53 and the second locking portion 60, faces the second caulking portion 53 and the substrate portion 51 in the circumferential direction, and faces the circumferential direction. It is orthogonal.
  • the rear end portion of the first caulking portion 52 and the second caulking portion 53 in which the first locking portion 55 and the second locking portion 60 are formed is a sheath. It is fitted to the front end of 14. As shown in FIG. 7, the second locking portion 60 is overlapped with the outer peripheral surface of the first locking portion 55.
  • the tip portion of the second locking portion 60 which is the portion farthest from the substrate portion 51 in the circumferential direction, is located on the outer periphery of the base end portion of the first locking portion 55, which is the portion closest to the substrate portion 51 in the circumferential direction. It is piled up.
  • the folded-back portion 57 is housed in the opening 61, and the first locking surface 58 and the second locking surface 62 are in contact with each other in the circumferential direction. Due to the locking action due to the contact between the two locking surfaces 58 and 62, the first caulking portion 52 and the second caulking portion 53 are prevented from being relatively displaced so as to be separated in the circumferential direction, and the crimping portion 50 is a shielded electric wire. It is firmly fixed to the outer circumference of 10.
  • the leading edge of the folded portion 57 faces the front surface 63 of the opening 61 from the rear, and the trailing edge of the folded portion 57 faces the rear surface 64 of the opening 61 from the front. doing.
  • an external force that attempts to relatively displace the first caulking portion 52 forward is applied to the first caulking portion 52 and the second caulking portion 53, the leading edge portion of the folded portion 57 hits the front surface 63 of the opening 61.
  • the relative displacement of the first caulking portion 52 is prevented.
  • an external force that tends to rearwardly displace the first caulking portion 52 acts on the first caulking portion 52 and the second caulking portion 53, the trailing edge portion of the folded portion 57 hits the rear surface 64 of the opening 61. By contacting, the relative displacement of the first caulking portion 52 is prevented.
  • Example 3 embodying the present disclosure will be described with reference to FIG.
  • the first locking portion 71 constituting the crimping portion 70 has a different configuration from that of the first embodiment. Since other configurations are the same as those in the first embodiment, the same components are designated by the same reference numerals, and the description of the structure, action, and effect will be omitted.
  • the first locking portion 71 of the third embodiment has a cut-up piece 72 in which a part of the first caulking portion 27 (first locking portion 71) is cut up toward the inner peripheral side in the radial direction.
  • the cut piece 72 has a bent portion 73 and a abutting portion 74.
  • the bent portion 73 has a shape that protrudes in the circumferential direction from the tip end portion of the first locking portion 71 and is bent so as to project radially inward from the tip end portion of the first locking portion 71.
  • the abutting portion 74 has a form extending in the circumferential direction from the protruding end of the bent portion 73 toward the substrate portion 26.
  • the radial inward protrusion dimension of the abutting portion 74 from the first locking portion 71 is the same as the plate thickness of the second locking portion 38 of the second caulking portion 28.
  • the extending end surface of the abutting portion 74 functions as a first locking surface 75 orthogonal to the circumferential direction.
  • the first locking portion 71 is overlapped with the outer periphery of the second locking portion 38, and a part of the bent portion 73 and the entire abutting portion 74 are in the second engagement. It is housed in the inner circumference of the opening 39 of the stop 38.
  • the first locking surface 75 abuts in the circumferential direction with respect to the second locking surface 40 with the opening 39.
  • the first locking portion 71 is a form in which a part of the first caulking portion 27 is cut up in the plate thickness direction of the first caulking portion 27.
  • the shielded conductive path C of the third embodiment can reduce the material cost as compared with the one in which the portion extending in a plane from the outer peripheral edge of the first caulked portion 27 is bent.
  • Example 4 which embodies the present disclosure, will be described with reference to FIG.
  • the first locking portion 81 constituting the crimping portion 80 has a different configuration from that of the first embodiment. Since other configurations are the same as those in the first embodiment, the same components are designated by the same reference numerals, and the description of the structure, action, and effect will be omitted.
  • the first locking portion 81 of the fourth embodiment has a cut-up piece 82 in which a part of the first caulking portion 27 is cut up toward the inner peripheral side in the radial direction.
  • the cut-and-raised piece 82 is bent so as to project from the tip of the first locking portion 81 toward the substrate portion 26 in the circumferential direction and to protrude radially inward from the tip of the first locking portion 81. Is.
  • the radial inward protrusion dimension of the cut-up piece 82 from the first locking portion 81 is the same as the plate thickness of the second locking portion 38 of the second caulking portion 28.
  • the first locking portion 81 is overlapped with the outer periphery of the second locking portion 38, and a part of the cut-and-raised piece 82 is an opening 39 of the second locking portion 38. It is housed in the inner circumference.
  • the protruding end edge of the cut piece 82 abuts in the circumferential direction with respect to the second locking surface 40 of the opening 39 in a line contact state.
  • the first locking portion 81 is a form in which a part of the first caulking portion 27 is cut up in the plate thickness direction of the first caulking portion 27.
  • the shielded conductive path D of the fourth embodiment can reduce the material cost as compared with the one in which the portion extending in a plane from the outer peripheral edge of the first caulked portion 27 is bent.
  • the fifth embodiment of the present disclosure will be described with reference to FIGS. 10 to 11.
  • the shielded conductive path E of the fifth embodiment has a crimping portion 90 having a different configuration from that of the first embodiment. Since other configurations are the same as those in the first embodiment, the same components are designated by the same reference numerals, and the description of the structure, action, and effect will be omitted.
  • the crimping portion 90 of the fifth embodiment includes a substrate portion (not shown), a first caulking portion 91 extending in one direction from the substrate portion in the circumferential direction, and a first caulking portion 91 extending from the substrate portion in the circumferential direction. It has a second caulking portion 92 extending in the opposite direction.
  • a first locking portion 94 is formed on the first extending end edge portion 93 of the first caulking portion 91.
  • the first locking portion 94 has a base portion 95 and a pair of front and rear bent portions 96.
  • the base portion 95 is in a form protruding in the circumferential direction from the rear end portion of the first extending end edge portion 93 toward the second caulking portion 92 side.
  • the base portion 95 is flush with the first caulking portion 91.
  • the pair of bent portions 96 is formed by bending the leading edge portion and the trailing edge portion of the base portion 95 at right angles to the base portion 95.
  • the boundary line between the base portion 95 and the bent portion 96, that is, the crease 98 of the bent portion 96 extends along the circumferential direction.
  • the bent portion 96 has a form protruding inward in the radial direction from the inner peripheral surfaces of the base portion 95 and the first caulking portion 91.
  • the radial protrusion dimension of the bent portion 96 is the same as the plate thickness of the second caulking portion 92 and the second locking portion 100.
  • the surface of the bent portion 96 facing the substrate portion in the circumferential direction functions as a first locking surface 99 orthogonal to the circumferential direction.
  • the first locking portion 94 has a protruding shape protruding inward in the radial direction from the first caulking portion 91.
  • a second locking portion 100 is formed on the second extending end edge portion 97 of the second caulking portion 92.
  • the second locking portion 100 projects in the circumferential direction from the rear end portion of the second extending end edge portion 97 toward the first caulking portion 91 side.
  • the second locking portion 100 is flush with the second caulking portion 92.
  • the second locking portion 100 has a rectangular opening 101.
  • the opening 101 is cut out so as to penetrate the second caulking portion 92 from the outer peripheral surface to the inner peripheral surface.
  • the inner peripheral surface of the opening 101 has two inner side surfaces spaced apart from each other in the circumferential direction of the crimping portion 90, and a front surface and a rear surface spaced apart from each other in the axial direction.
  • the inner surface on the side closer to the first extending end edge portion 93 functions as the second locking surface 102.
  • the second locking surface 102 is arranged only within the plate thickness range of the second caulking portion 92 and the second locking portion 100, faces the second caulking portion 92 and the base portion 95 in the circumferential direction, and is orthogonal to the circumferential direction. doing.
  • the first locking portion 94 is overlapped with the outer peripheral surface of the second locking portion 100.
  • Both the front and rear bent portions 96 are housed in the opening 101, and the first locking surface 99 and the second locking surface 102 are in contact with each other in the circumferential direction.
  • the first caulking portion 91 and the second caulking portion 92 are held in a state where they are not separated in the circumferential direction by the locking action due to the contact between the two locking surfaces 99 and 102.
  • the crimping portion 90 is securely fixed to the outer circumference of the shielded electric wire.
  • the first locking portion 94 is formed by bending the first caulking portion 91 along the crease 98 in the circumferential direction, it has high rigidity against an external force in the circumferential direction. Therefore, it is possible to prevent the crimping portion 90 from expanding and deforming due to the deformation of the first locking portion 94.
  • the displacement regulating portion is formed in the first caulking portion and the second caulking portion, but the first embodiment may have no displacement regulating portion.
  • the displacement regulating portion of the first embodiment may be formed in the second to fifth embodiments.
  • the second locking portion has a window hole shape in which the opening edge is connected over the entire circumference, but the second locking portion opens to the outer edge portion of the second caulking portion. It may be in the form of a notch.
  • First displacement regulating portion 36 ... First protrusion 37 ... First recess 38 ... Second locking portion 39 ... Opening 40 ... Second locking surface 41 ... Second displacement regulating portion 42 ... Second recess 43 ... Second protrusion 44 ... Stopper 50 ... Crimping portion 51 ... Board portion 52 ... First caulking portion 53 ... Second Caulking portion 54 ... First extending end edge portion 55 ... First locking portion 56 ... Base 57 ... Folded portion 58 ... First locking surface 59 ... Second extending end edge portion 60 ... Second locking portion 61 ... Opening 62 ... Second locking surface 63 ... Front surface of opening 64 ... Rear surface of opening 70 ... Crimping portion 71 ... First locking portion 72 ...

Landscapes

  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
PCT/JP2021/017320 2020-05-27 2021-05-06 シールド導電路 Ceased WO2021241147A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202180034244.XA CN115516718A (zh) 2020-05-27 2021-05-06 屏蔽导电路径
US17/924,849 US12388196B2 (en) 2020-05-27 2021-05-06 Shielded electrically conductive path

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020092133A JP7380420B2 (ja) 2020-05-27 2020-05-27 シールド導電路
JP2020-092133 2020-05-27

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Publication Number Publication Date
WO2021241147A1 true WO2021241147A1 (ja) 2021-12-02

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US (1) US12388196B2 (enExample)
JP (1) JP7380420B2 (enExample)
CN (1) CN115516718A (enExample)
WO (1) WO2021241147A1 (enExample)

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EP4358311A1 (en) * 2022-10-19 2024-04-24 Tyco Electronics AMP Korea Co., Ltd. Connector having shield structure
JP2024100846A (ja) * 2022-04-15 2024-07-26 株式会社オートネットワーク技術研究所 シールド導電路

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Also Published As

Publication number Publication date
JP2021190215A (ja) 2021-12-13
US12388196B2 (en) 2025-08-12
CN115516718A (zh) 2022-12-23
JP7380420B2 (ja) 2023-11-15
US20230198171A1 (en) 2023-06-22

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