WO2017115710A1 - Procédé de production d'un câble muni d'une borne et câble muni d'une borne - Google Patents

Procédé de production d'un câble muni d'une borne et câble muni d'une borne Download PDF

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Publication number
WO2017115710A1
WO2017115710A1 PCT/JP2016/088301 JP2016088301W WO2017115710A1 WO 2017115710 A1 WO2017115710 A1 WO 2017115710A1 JP 2016088301 W JP2016088301 W JP 2016088301W WO 2017115710 A1 WO2017115710 A1 WO 2017115710A1
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WO
WIPO (PCT)
Prior art keywords
terminal
wire
core wire
exposed core
electric wire
Prior art date
Application number
PCT/JP2016/088301
Other languages
English (en)
Japanese (ja)
Inventor
利幸 居原
朗 伊東
Original Assignee
住友電装株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 住友電装株式会社 filed Critical 住友電装株式会社
Publication of WO2017115710A1 publication Critical patent/WO2017115710A1/fr

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    • 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
    • H01R43/28—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wire processing before connecting to contact members, not provided for in groups H01R43/02 - H01R43/26
    • 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
    • H01R4/184—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 comprising a U-shaped wire-receiving portion
    • H01R4/185—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 comprising a U-shaped wire-receiving portion combined with a U-shaped insulation-receiving portion

Definitions

  • This invention relates to a technique for connecting a terminal to an end of an electric wire.
  • the terminal of the electric wire with terminal may be inserted into the cavity in the connector housing.
  • the core wire diameter of the electric wire with terminal is determined according to the resistivity of the core wire, the magnitude of the current flowing through the core wire, etc., and was originally used when the material of the core wire was changed
  • An electric wire with a terminal having a core diameter larger than the core diameter may be used. In such a case, it is difficult to crimp the terminal used at the beginning to the core wire having a large diameter.
  • Patent Document 1 a technique related to the present invention is disclosed in Patent Document 1.
  • an object of the present invention is to enable a terminal having a size smaller than a terminal suitable for the core wire to be crimped to the exposed core portion where the core wire of the electric wire is exposed at low cost.
  • a method for manufacturing a terminal-attached electric wire provides an electric wire including (a) a core wire in which a plurality of strands are gathered and a coating formed around the core wire. And (b) forming the exposed core portion by removing the coating in a part of the extending direction of the electric wire, and (c) after the step (b), the plurality of the exposed core portions at the exposed core portion. (D) a step of crimping a core wire crimping portion of the terminal to the exposed core wire portion.
  • the terminal-attached electric wire according to the second aspect includes a core wire in which a plurality of strands are gathered and a coating formed around the core wire, and the exposed core wire is partially exposed in the extending direction. And a terminal including a core crimping part crimped to the exposed core part, and a wire having a smaller number of the wires in the exposed core part than a portion covered with the coating.
  • the diameter of the exposed core portion can be reduced. For this reason, the terminal of a size smaller than the terminal suitable for the said core wire can be crimped
  • the exposed core portion can be made thinner. For this reason, the terminal of a size smaller than the terminal suitable for the said core wire can be crimped
  • FIG. 2 is a schematic sectional view taken along line II-II in FIG.
  • FIG. 3 is a schematic sectional view taken along line III-III in FIG. 1.
  • FIG. 1 is a schematic side view showing a terminal-attached electric wire 10
  • FIG. 2 is a schematic cross-sectional view taken along line II-II in FIG. 1
  • FIG. 3 is a schematic cross-sectional view taken along line III-III in FIG.
  • the electric wire with terminal 10 includes an electric wire 12 and terminals 20 and 30.
  • the terminal-attached electric wire 10 is used alone or in combination with other electric wires with terminals or the like in a vehicle and used as a wiring material for connecting various electric components in the vehicle.
  • the electric wire 12 includes a core wire 14 and a coating 16.
  • the core wire 14 is a linear conductor in which a plurality of strands 14a are assembled. Usually, although the some strand 14a is twisted together, this is not essential.
  • the strand 14a is formed of a metal wire such as copper, a copper alloy, aluminum, or an aluminum alloy.
  • the covering 16 is an insulating member formed around the core wire 14.
  • the coating 16 is formed, for example, by extrusion-coating a softened resin around the core wire 14.
  • a coating 16 having a predetermined length is peeled from the core wire 14 at the end of the electric wire 12.
  • the exposed core wire portion 15 ⁇ / b> A where the core wire 14 is exposed over a predetermined length is formed at one end portion of the electric wire 12.
  • the exposed core wire part 15B which the core wire 14 exposes over predetermined length is formed in the other end part of the electric wire 12.
  • the number of the strands 14a in the exposed core portion 15A is smaller than the number of the strands 14a in the portion of the electric wire 12 covered with the coating 16. For this reason, the exposed core wire portion 15 ⁇ / b> A is thinner than the portion of the core wire 14 covered with the coating 16.
  • the number of the wires 14a in the exposed core portion 15B is the same as the number of the wires 14a in the portion of the electric wire 12 covered with the coating 16.
  • the exposed core part 15B is thinner than the exposed core part 15A. Note that the exposed core wire portion 15B is compressed when the terminal 30 is crimped, so that the exposed core wire portion 15B is thinner than the portion of the core wire 14 covered with the coating 16.
  • the number of the strands 14a and the number of the exposed core portions 15B of the portion of the electric wire 12 covered with the coating 16 is 11 (see FIG. 2), and the number of the strands 14a in the exposed core portion 15A is 5.
  • An example of a book (see FIG. 3) is shown.
  • the number of strands 14a in the exposed core wire portion 15A is determined according to the size of the 20 core wire crimping portions 23 to be crimped.
  • Terminals 20 and 30 are members formed by pressing a metal plate material that is a conductive plate material.
  • the terminal 20 is connected to the exposed core part 15A, and the terminal 30 is connected to the exposed core part 15B.
  • the terminal 30 has a configuration in which a wire connection portion 32 and a counterpart connection portion 38 are continuously formed.
  • the wire connection part 32 is a part to which the other end of the wire 12 is connected.
  • the wire connecting portion 32 includes a core wire crimping portion 33 and a covering crimping portion 34.
  • the core wire crimping portion 33 is a portion crimped to the exposed core wire portion 15B.
  • the core wire crimping portion 33 is, for example, in a state in which the exposed core wire portion 15B is disposed in a U-shaped portion in a cross section (in a direction orthogonal to the extending direction of the electric wire connecting portion 32), and both ends thereof are inward. By bending and deforming, it is crimped to the exposed core part 15B.
  • the covering crimp portion 34 is a portion that is crimped to the end portion of the covering 16 of the electric wire 12.
  • the core wire crimping portion 33 is, for example, in a state in which the end portions of the covering 16 are disposed in a U-shaped portion in a cross section (in a direction perpendicular to the extending direction of the wire connecting portion 32) By being bent and deformed, it is crimped to the end of the coating 16.
  • the covering crimping portion 34 is fitted into the outer peripheral portion of the covering 16 and plays a role of maintaining the connection state between the electric wire 12 and the terminal 20.
  • the core crimping portion 33 can be provided with the exposed core wire portion 15B inside, and when both ends thereof are bent and deformed inward, the exposed core wire portion 15B does not protrude outside. It is formed in a size corresponding to the thickness (diameter) of the exposed core portion 15B so that it can be accommodated.
  • the cover crimping portion 34 can be provided with the cover 16 inside, and can be accommodated without causing the cover 16 to protrude outside when both ends thereof are bent and deformed inward. Thus, it forms in the size according to the thickness (diameter) of the coating 16.
  • the terminal 30 is designed and manufactured as a terminal 30 having a size corresponding to R1 and R2 when the diameter of the covering 16 is R1 and the diameter of the exposed core portion 15B (core wire 14) is R2. It is.
  • the terminal 20 has a configuration in which the wire connection portion 22 and the counterpart connection portion 28 are continuously formed.
  • the wire connection part 22 is a part to which one end of the wire 12 is connected.
  • the wire connecting portion 22 includes a core wire crimping portion 23 and a covering crimping portion 24.
  • the core wire crimping portion 23 is a portion that is crimped to the exposed core wire portion 15 ⁇ / b> A, and has the same configuration as the core wire crimping portion 33.
  • the coated crimping portion 24 is a portion that is crimped to the end of the coating 16 of the electric wire 12 and has the same configuration as the core wire crimping portion 33.
  • the core wire crimping part 23 and the covering crimping part 24 are formed smaller than the core wire crimping part 33 and the covering crimping part 34, respectively.
  • the diameter of the coating is R1
  • the diameter of the exposed core portion (core wire portion) is R2
  • the diameter of the coating is R3 (where R3 ⁇ R1)
  • R4 the diameter of the coating
  • the first electric wire having a relatively large diameter is used.
  • a first terminal (terminal 30) is crimped and connected to the exposed core portion 15B side of the other end of the electric wire 12.
  • the number of the strands 14a of the exposed core wire portion 15A is reduced, and the exposed core wire portion 15A is thin. Therefore, a second terminal (terminal 20) for a second electric wire having a small diameter is pressure-bonded to the exposed core portion 15A side at one end of the electric wire 12.
  • the wires 12 and the terminals 20 that are not originally matched in size are connected to each other in a size-matched manner by reducing the number of the strands 14a in the exposed core portion 15A, so that they can be electrically connected satisfactorily. be able to.
  • the ratio of the number of the wires 14a of the exposed core wire portion 15A to the number of the wires 14a of the core wire portion 14 of the portion covered with the coating 16 Alternatively, it is preferably 30% to 80%.
  • the core wire crimping portion 23 is a portion for maintaining an electrical connection state to the exposed core wire portion 15A and maintaining a mechanical connection state.
  • the covering crimping portion 24 since the covering crimping portion 24 only plays a role of maintaining the connection state between the electric wire 12 and the terminal 20, the size required when the core wire crimping portion 23 is crimped to the exposed core wire portion 15A. Consistency is not that much of an issue. Note that the coating crimping portions 24 and 34 may be omitted.
  • the other party connection parts 28 and 38 are parts connected to the other party connection member.
  • the mating connection member is formed in a female terminal shape, that is, a cylindrical shape.
  • the mating connection part 38 may have a pin-shaped or tab-shaped male terminal shape, or may be formed in a configuration in which screw holes are formed in the plate part (so-called round terminal shape).
  • the covering 16 is removed at a part (here, the end portion) in the extending direction of the electric wire 12 to form an exposed core portion 15Ab (step (b)). Thereafter, when the strands 14a of the exposed core portion 15Ab are twisted together, it is preferable that the exposed core wire portion 15Ab is rotated in the direction opposite to the twisted direction to untwist the twist (see FIG. 5). ).
  • the removed strands 14a out of the plurality of strands 14a may be a group of strands 14a existing near one side of the bundled strands 14a, or the plurality of bundled strands 14a. It may be a group of strands 14a existing around the outer periphery of the wire 14a, or a group of strands 14a scattered within the bundled strands 14a.
  • the terminal-attached electric wire 10 is manufactured by crimping the terminal 20 to the exposed core wire portion 15A and the end portion of the covering 16 (step (e)).
  • the exposed core wire portion 15A can be thinned because the exposed core wire portion 15A is formed by removing a part of the plurality of strands 14a. For this reason, a terminal (for example, the second terminal) having a smaller size than the terminal (for example, the first terminal) suitable for the original thickness can be crimped to the exposed core portion 15A.
  • the terminal 30 was demonstrated to the other end part of the electric wire 10 with a terminal, the said terminal 20 may be used also for the said other end part.
  • the covering crimping part 24 of the terminal 20 may be formed in a size suitable for the relatively thick electric wire 12.
  • an exposed core wire part is formed in the extension direction intermediate part of an electric wire, and the number of the strands in the said exposed core wire part is the In the case where the number is less than the number of strands of the portion covered with the covering before and after, a splice connection terminal may be connected to the exposed core portion. Even in this case, a small-diameter terminal can be used as a splice connection terminal.

Abstract

La présente invention a pour objet de permettre à une borne de taille inférieure à une borne appropriée au fil central de câble d'être assemblée par pression à une partie exposée du fil central à un coût réduit. Un procédé de production d'un câble (10) muni d'une borne comprend les étapes consistant à : préparer un câble (12) comprenant un fil central (14) dans lequel une pluralité de brins (14a) sont réunis et un revêtement (16) formé autour du fil central (14) ; retirer le revêtement (16) dans une partie dans la direction d'extension du câble (12) et former une partie de fil central exposée (15A) ; retirer certains brins de la pluralité de brins (14a) dans la partie de fil central exposée (15A) ; et assembler par pression une partie d'assemblage par pression de fil central (23) d'une borne (20) avec la partie de fil central exposée (15A).
PCT/JP2016/088301 2015-12-28 2016-12-22 Procédé de production d'un câble muni d'une borne et câble muni d'une borne WO2017115710A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015-256452 2015-12-28
JP2015256452A JP2017120709A (ja) 2015-12-28 2015-12-28 端子付電線の製造方法及び端子付電線

Publications (1)

Publication Number Publication Date
WO2017115710A1 true WO2017115710A1 (fr) 2017-07-06

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PCT/JP2016/088301 WO2017115710A1 (fr) 2015-12-28 2016-12-22 Procédé de production d'un câble muni d'une borne et câble muni d'une borne

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WO (1) WO2017115710A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4040603A1 (fr) * 2021-02-03 2022-08-10 Yazaki Corporation Structure de connexion de borne à serrage par pression et de câble
EP4040611A1 (fr) * 2021-02-03 2022-08-10 Yazaki Corporation Structure de connexion de barre omnibus et câble

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7065514B2 (ja) * 2018-07-10 2022-05-12 株式会社アイエイアイ ワイヤーハーネスとワイヤーハーネス製造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060105639A1 (en) * 2004-11-16 2006-05-18 Hubbell Incorporated Compression connector assembly
JP2011222311A (ja) * 2010-04-09 2011-11-04 Yazaki Corp 電線接続方法及びワイヤハーネス
JP2013196832A (ja) * 2012-03-16 2013-09-30 Yazaki Corp 圧着端子付き電線

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060105639A1 (en) * 2004-11-16 2006-05-18 Hubbell Incorporated Compression connector assembly
JP2011222311A (ja) * 2010-04-09 2011-11-04 Yazaki Corp 電線接続方法及びワイヤハーネス
JP2013196832A (ja) * 2012-03-16 2013-09-30 Yazaki Corp 圧着端子付き電線

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4040603A1 (fr) * 2021-02-03 2022-08-10 Yazaki Corporation Structure de connexion de borne à serrage par pression et de câble
EP4040611A1 (fr) * 2021-02-03 2022-08-10 Yazaki Corporation Structure de connexion de barre omnibus et câble
JP2022118805A (ja) * 2021-02-03 2022-08-16 矢崎総業株式会社 圧着端子と電線の接続構造
JP7284197B2 (ja) 2021-02-03 2023-05-30 矢崎総業株式会社 バスバーと電線の接続構造
US11721916B2 (en) 2021-02-03 2023-08-08 Yazaki Corporation Connection structure of bus bar and cable
US11764492B2 (en) 2021-02-03 2023-09-19 Yazaki Corporation Connection structure of press-clamping terminal and cable

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