WO2011115005A1 - Cable having terminal fitting and manufacturing method for same - Google Patents

Cable having terminal fitting and manufacturing method for same Download PDF

Info

Publication number
WO2011115005A1
WO2011115005A1 PCT/JP2011/055747 JP2011055747W WO2011115005A1 WO 2011115005 A1 WO2011115005 A1 WO 2011115005A1 JP 2011055747 W JP2011055747 W JP 2011055747W WO 2011115005 A1 WO2011115005 A1 WO 2011115005A1
Authority
WO
WIPO (PCT)
Prior art keywords
electric wire
terminal fitting
wire
cap
core wire
Prior art date
Application number
PCT/JP2011/055747
Other languages
French (fr)
Japanese (ja)
Inventor
悟史 森川
和将 小林
拓次 大塚
洋樹 下田
Original Assignee
株式会社オートネットワーク技術研究所
住友電装株式会社
住友電気工業株式会社
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 株式会社オートネットワーク技術研究所, 住友電装株式会社, 住友電気工業株式会社 filed Critical 株式会社オートネットワーク技術研究所
Publication of WO2011115005A1 publication Critical patent/WO2011115005A1/en

Links

Images

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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5205—Sealing means between cable and housing, e.g. grommet
    • 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
    • H01R4/58—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 characterised by the form or material of the contacting members
    • H01R4/62—Connections between conductors of different materials; Connections between or with aluminium or steel-core aluminium conductors
    • 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
    • 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

  • the present invention relates to an electric wire with a terminal fitting and a manufacturing method thereof.
  • An aluminum electric wire has, for example, a structure in which a core wire made of a twisted wire obtained by twisting a plurality of aluminum strands is covered with an insulating coating, and when a harness is formed, a terminal fitting is generally connected to the end of the electric wire.
  • the terminal end of the aluminum wire is peeled off to expose the end of the core wire, and the wire barrel (electric wire connecting portion) provided on the terminal fitting is crimped to the exposed end of the core wire.
  • an insulation barrel provided behind the wire barrel is crimped and connected to the terminal of the insulation coating remaining together (for example, see Patent Document 1).
  • electrolytic corrosion has been prevented by applying an anticorrosive agent made of silicone rubber, a chelating agent or the like to the crimped portion of the wire barrel.
  • the present invention has been completed based on the above situation, and an object of the present invention is to reliably prevent electrolytic corrosion at the connection portion between the electric wire and the terminal fitting without using an anticorrosive agent.
  • the electric wire with a terminal fitting of the present invention is an electric wire in which a metal core wire is covered with an insulation coating, a terminal fitting provided with an electric wire connecting portion that is made of a metal different from the core wire and is connected to the core wire, It is made of a metal that is close to ionization with the terminal fitting, and is fitted over the end of the insulation coating remaining from the end of the core wire exposed by peeling off the insulation coating of the electric wire, and the terminal fitting A cap that is crimped to the electric wire connecting portion; and a seal body that is fitted to the electric wire and seals between the cap and the insulating coating.
  • a cap is fitted over the end of the insulation coating remaining from the end of the exposed core wire in the electric wire, and the electric wire connection portion of the terminal fitting is crimped to this cap, so that the electrical connection between the core wire and the terminal fitting is achieved.
  • a connection is taken.
  • a sealing body is fitted to the electric wire to seal between the cap and the insulating coating.
  • the metals that are close to ionization are in contact with each other, so even if moisture adheres, electrolytic corrosion hardly occurs.
  • the dissimilar metals come into contact with each other.
  • FIG. 1 is an exploded side sectional view of Embodiment 1 of the present invention.
  • FIG. 2 is a perspective view of the female terminal fitting.
  • FIG. 3 is a side sectional view of the cap fitted.
  • FIG. 4 is a side sectional view showing the operation of inserting the aluminum electric wire with the female terminal fitting into the female housing.
  • FIG. 5 is a side sectional view when the insertion is completed.
  • FIG. 6 is a side cross-sectional view of a state in which an aluminum electric wire with a female terminal fitting according to Embodiment 2 of the present invention is inserted into a female housing.
  • FIGS. 1 A first embodiment of the present invention will be described with reference to FIGS.
  • the case where it applies to the aluminum electric wire 10 is illustrated, and as shown in FIG. 1, the aluminum electric wire 10, the female terminal fitting 20 (hereinafter referred to as the female terminal fitting 20), the cap 30, The seal body 40 is provided.
  • the aluminum electric wire 10 has a core wire 11 formed of a twisted wire obtained by twisting a plurality of strands 12 made of aluminum or aluminum alloy, and an insulating coating 13 made of synthetic resin is formed around the core wire 11. The structure is covered with.
  • the female terminal fitting 20 is formed by pressing a copper alloy plate, and as shown in FIG. 2, the female terminal fitting 20 has a substantially rectangular tube shape that is electrically connected to a mating male terminal fitting (not shown).
  • a wire barrel 25 and an insulation barrel 26 are provided behind the terminal connection portion 21 to be formed.
  • the front wire barrel 25 corresponds to the wire connecting portion of the present invention.
  • An elastic contact piece 23 is provided inside the terminal connection portion 21 so as to be folded back from the front edge of the bottom plate 22, and the tab of the mating male terminal fitting described above is connected to the terminal connection portion 21 from the front. By inserting and elastically contacting the elastic contact piece 23, the male terminal fitting and the female terminal fitting 20 are electrically connected.
  • the cap 30 will be described first.
  • the cap 30 is formed by deep drawing a copper alloy plate like the female terminal fitting 20 and has a long and narrow cylindrical shape with a rounded end and closed. ing.
  • the cap 30 is fitted over the end of the insulating coating 13 left from the end of the core wire 11 exposed by peeling off the insulating coating 13 of the aluminum electric wire 10, and is in a hexagonal caulking type or the like. It is designed to be crimped.
  • the wire barrel 25 provided in the female terminal fitting 20 is an open barrel type, and a pair of left and right wide barrel pieces 25 ⁇ / b> A are formed so as to face each other from the left and right side edges of the bottom plate 22.
  • the wire barrel 25 is caulked and crimped to a region fitted to the end of the core wire 11 in the cap 30 fitted to the end of the aluminum electric wire 10, and the protruding end of both barrel pieces 25A.
  • the outer periphery of the cap 30 is embraced from both the left and right sides while being overlapped, so that it can be caulked into a so-called overlap type.
  • the insulation barrel 26 is also of an open barrel type, and a pair of left and right barrel pieces 26A which are narrower and taller than the barrel piece 25A on the wire barrel 25 side are also opposed to each other from the left and right side edges of the bottom plate 22. In this way, it is formed to rise.
  • the insulation barrel 26 is caulked and crimped to a region of the cap 30 that is fitted to the end of the insulating coating 13, and is similarly caulked in an overlapping manner.
  • the seal body 40 is made of an elastic material such as rubber, and is formed in a cylindrical shape in which a center hole 42 through which the aluminum electric wire 10 can be inserted is provided in the rear plate 41.
  • Two front and rear lips 43, 44 are formed on the inner peripheral surface of the seal body 40, and the rear lip 44 is slightly taller than the front lip 43.
  • the front lip 43 functions to elastically adhere to the outer peripheral surface of the cap 30, and the rear lip 44 functions to elastically adhere to the outer peripheral surface of the insulating coating 13 of the aluminum wire 10. To do.
  • the seal body 40 is passed through and fitted to the end of the aluminum electric wire 10.
  • the end of the insulation coating 13 of the aluminum electric wire 10 is peeled, and the end of the core wire 11 is exposed over a predetermined length. It is said.
  • the cap 30 is fitted over the terminal of the insulating coating 13 remaining from the terminal of the exposed core wire 11, and crimped and crimped.
  • the inner peripheral surface on the front end side of the cap 30 and the outer peripheral surface of the core wire 11 are brought into close contact with each other to be electrically connected.
  • the female terminal fitting 20 is crimped and connected to the cap 30 by the crimping device.
  • the crimping device is provided with an anvil and a crimper, and the front end side of the cap 30 is arranged with respect to the wire barrel 25 of the female terminal fitting 20, and the rear end side of the cap 30 is arranged with respect to the insulation barrel 26.
  • the two barrels 25 and 26 are clamped between the anvil and the crimper and are both caulked in an overlapping manner (see FIG. 4). Thereby, in particular, the inner peripheral surface of the wire barrel 25 and the outer peripheral surface of the cap 30 are brought into close contact with each other to establish an electrical connection.
  • the seal body 40 that has escaped rearward is moved toward the front (terminal) along the aluminum electric wire 10, and the front lip 43 rides on the rear end of the cap 30.
  • the rear lip 44 is also elastically adhered to the outer peripheral surface of the insulating coating 13. Thereby, the gap between the opening edge of the rear end of the cap 30 and the outer peripheral surface of the insulating coating 13 is sealed so as not to be submerged.
  • a plurality of aluminum electric wires 10 with female terminal fittings 20 formed as described above are gathered to form a harness.
  • the female terminal fitting 20 at the end of the aluminum electric wire 10 is a female housing. 50 is inserted from the rear into the corresponding cavity 51 formed in 50, and is received and retained by the lance 52.
  • the female housing 50 is fitted to the mating male housing by being wired at a predetermined position of the vehicle. As a result, the corresponding female terminal fitting 20 and the male terminal fitting are electrically connected to each other.
  • both the wire barrel 25 and the insulation barrel 26 are caulked and crimped to the cap 30.
  • the existing female terminal fitting 20 provided with the wire barrel 25 and the insulation barrel 26 can be applied as it is without preparing a simple structure.
  • Embodiment 2 of the present invention will be described with reference to FIG.
  • the sealing body 40A of the second embodiment is formed with a large diameter so as to be fitted almost tightly into the inlet 51A of the cavity 51 of the female housing 50.
  • the outer peripheral surface of the cap 30 and the aluminum electric wire 10 In addition to the two front and rear inner lips 43, 44 that are elastically contacted with the outer peripheral surface of the insulating coating 13, the inner peripheral surface of the cavity 51 is elastically contacted with the outer peripheral surface.
  • Two front and rear outer lips 46 are formed.
  • the manufacturing process of the aluminum electric wire 10 with the female terminal fitting 20 according to the second embodiment and the assembling process to the female housing 50A are as follows. As in the first embodiment, the cap 30 is fitted over the end of the insulating coating 13 left from the exposed end of the core wire 11 in the aluminum electric wire 10, and the female terminal fitting 20 is attached to the cap 30. The wire barrel 25 and the insulation 26 are crimped and crimped.
  • the female terminal fitting 20 When the female terminal fitting 20 is fixed to the end of the aluminum electric wire 10 in this way, as shown in FIG. 6, the female terminal fitting 20 is placed in the corresponding cavity 51 of the female housing 50A in a state in which the seal body 40A is released backward.
  • the seal body 40A When the seal body 40A is inserted and prevented from coming off at the normal position by the lance 52, the seal body 40A is moved forward (terminal) along the aluminum electric wire 10 and inserted into the inlet 51A of the cavity 51.
  • the seal body 40A is pushed in until the front inner lip 43 rides on and adheres to the rear end of the cap 30 and the rear inner lip 44 contacts the outer peripheral surface of the insulating coating 13.
  • the two outer lips 46 are elastically brought into close contact with the inner peripheral surface of the inlet 51A of the cavity 51, and the inlet 51A of the cavity 51 is also sealed.
  • the sealing body 40A of this embodiment has a function of a waterproof plug that seals the inlet 51A of the cavity 51 in addition to a function of preventing electric corrosion by preventing water from entering the cap 30, a waterproof connector is provided. This is suitable for application.
  • a retaining member for the sealing body 40A may be provided on the rear surface or the like of the female housing 50A.
  • both the wire barrel and the insulation are used for pressure bonding to the cap.
  • the insulation barrel may be removed and only the wire barrel may be provided.
  • the form of the wire barrel is not limited to the overlap form exemplified in the above embodiment, and the pair of left and right barrel pieces may be arranged so as to be shifted in the axial direction of the core wire. There may be only one piece.
  • it may be a closed barrel type formed in a cylindrical shape in advance before caulking. In short, it is preferable that when the barrel is caulked, it does not break by piercing the cap.
  • the female terminal fitting is exemplified as the terminal fitting to be connected to the terminal of the aluminum electric wire.
  • other terminals such as a male terminal fitting having a male tab or an LA terminal having an eyeball-shaped connecting portion. It may be a metal fitting.
  • the material of the cap when the electric wire is an aluminum electric wire and the terminal fitting is made of a copper alloy may be as follows in addition to the copper alloy exemplified in the above embodiment. That is, the material of the cap needs to be a metal having a smaller ionization tendency than aluminum, and is preferably closer to the ionization tendency of the terminal fitting material (copper alloy), for example, zinc, iron, nickel, tin (tin plating) Products), lead and copper.
  • the present invention is not limited to the case where a copper alloy terminal fitting is connected to the aluminum electric wire exemplified in the above embodiment, and the core wire of the electric wire and the terminal fitting connected thereto are formed of different metals. In general, it can be widely applied.
  • the technology disclosed in the present specification relates to an electric wire with a terminal fitting, and an electric wire connection in which a metal core wire is covered with an insulating coating, and the core wire is made of a different kind of metal and connected to the same core wire.
  • a terminal fitting provided with a portion, and a metal having an ionization tendency close to that of the terminal fitting, the insulation covering of the electric wire being peeled off and exposed from the end of the core wire left exposed
  • a cap that is fitted and crimped to the wire connection portion of the terminal fitting, and a seal body that is fitted to the wire and seals between the cap and the insulating coating.
  • the said electric wire is an aluminum electric wire provided with the core wire made from aluminum or aluminum alloy
  • the said terminal metal fitting and the said cap are good also as a structure made from a copper alloy (means 2). According to the configuration of the means 2, even when an aluminum electric wire with a high possibility of electrolytic corrosion is used, the occurrence of electrolytic corrosion can be effectively prevented.
  • the wire connecting portion is composed of two front and rear barrels, and the front barrel is fitted to the end of the core wire among the caps fitted to the ends of the wires.
  • the rear barrel may be crimped and crimped to a region of the cap fitted to the end of the insulating coating (means 3).
  • the existing terminal metal fitting provided with the wire barrel and the insulation barrel can be applied as it is.
  • the terminal fitting is inserted into a cavity provided in the connector housing and can be accommodated, and the seal body is closely fitted to the inlet of the cavity. It may be made to have the function of a waterproof plug (means 4). According to the structure of the means 4, it becomes suitable when applying to a waterproof connector.
  • the technology disclosed in this specification together with the configurations of the means 1 to 4 is provided at the terminal of the core wire in the electric wire in which the metal core wire is covered with an insulating coating, and on the metal terminal fitting different from the core wire.
  • a feature is that the step of fitting a seal body on the electric wire and sealing between the cap and the insulating coating is sequentially performed (means 5). According to the manufacturing method of the means 5, the electric wire with a terminal metal fitting disclosed in the present specification can be reliably manufactured.

Landscapes

  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The disclosed cable having a terminal fitting is provided with: a cable (10) in which a metal core wire (11) is covered with an insulating coating (13); a terminal fitting (20) which is made from a different metal to the core wire (11), and is provided with a cable connection section (25) connected to the same core wire (11); a cap (30) which is made from a metal having an ionisation tendency close to the terminal fitting (20), is fitted from the end of the core wire (11) exposed by the stripping of the insulating coating (13) from the cable (10) to the end of the remaining insulating coating (13), and is crimped by the cable connection section (25) of the terminal fitting (20); and a seal body (40) which seals the insulating coating (13) and the cap (30) fitted to the cable (10).

Description

端子金具付き電線及びその製造方法Electric wire with terminal fitting and manufacturing method thereof
　本発明は、端子金具付き電線及びその製造方法に関する。 The present invention relates to an electric wire with a terminal fitting and a manufacturing method thereof.
　近年、自動車のワイヤハーネス等の分野においても、軽量化等を目的としてアルミ電線を使用するようになった。アルミ電線は例えば、複数本のアルミ素線を撚り合わせた撚り線からなる芯線を絶縁被覆で覆った構造であって、ハーネス化される場合は一般に、電線の端末に端子金具が接続される。具体的には、アルミ電線の被覆の端末が皮剥きされて芯線の端末が露出され、この露出された芯線の端末に対して、端子金具に設けられたワイヤバレル（電線接続部）が圧着され、併せて残った絶縁被覆の端末に、ワイヤバレルの後方に設けられたインシュレーションバレルが圧着されて接続されるようになっている（例えば、特許文献１参照）。 In recent years, aluminum wires have been used in the field of automobile wire harnesses for the purpose of weight reduction. An aluminum electric wire has, for example, a structure in which a core wire made of a twisted wire obtained by twisting a plurality of aluminum strands is covered with an insulating coating, and when a harness is formed, a terminal fitting is generally connected to the end of the electric wire. Specifically, the terminal end of the aluminum wire is peeled off to expose the end of the core wire, and the wire barrel (electric wire connecting portion) provided on the terminal fitting is crimped to the exposed end of the core wire. In addition, an insulation barrel provided behind the wire barrel is crimped and connected to the terminal of the insulation coating remaining together (for example, see Patent Document 1).
　ところで電線を端子金具に導通接続させるに当たり、電線の芯線と端子金具とが異種の金属によって形成されている場合には、特に両者の接触部分に水分が介在すると、両金属が水中にイオンとして溶け込んで電気化学的反応により腐食が進行する電食が発生することが知られている。端子金具は強度上の問題等で銅合金製とするのが一般的であるため、上記のように電線にアルミ電線を使用すると、正に電食が問題となる。具体的には、ワイヤバレルが芯線に圧着された部分において、埃や砂が侵入して混じった塩分が付着しさらに水分が付着すると、接触部分が電解質溶液に浸漬された状態となって、イオン化傾向が大きい金属であるアルミニウムが溶解する、すなわち電食が進むおそれがある。
　そこで従来では、ワイヤバレルの圧着部分に、シリコーンゴム、キレート剤等からなる防食剤を塗布することで、電食を防止するようにしていた。 By the way, when conducting the electrical connection of the electric wire to the terminal fitting, when the core wire of the electric wire and the terminal fitting are formed of different kinds of metals, especially when water is present at the contact portion between the two, the two metals dissolve as ions in the water. It is known that galvanic corrosion occurs due to electrochemical reaction. Since terminal fittings are generally made of a copper alloy due to problems in strength and the like, if an aluminum electric wire is used as the electric wire as described above, electrolytic corrosion becomes a problem. Specifically, at the portion where the wire barrel is crimped to the core wire, when dust or sand enters and the mixed salt adheres and moisture further adheres, the contact portion becomes immersed in the electrolyte solution, and ionization occurs. There is a possibility that aluminum which is a metal having a large tendency is dissolved, that is, electrolytic corrosion proceeds.
Conventionally, therefore, electrolytic corrosion has been prevented by applying an anticorrosive agent made of silicone rubber, a chelating agent or the like to the crimped portion of the wire barrel.
特開２００５－５０７３６号公報Japanese Patent Laying-Open No. 2005-50736
　しかしながら上記した防食剤を塗布する方法では、バレルの圧着形状によって塗布条件を変える必要がある、塗布層の厚さにばらつきが出て品質が安定しない、塗布層の剥がれに注意が必要、さらにはメンテナンス時に簡単にリペアできない等、数々の問題があり、新たな対策の出現が切望されていた。
　本発明は上記のような事情に基づいて完成されたものであって、その目的は、防食剤を使用することなく電線と端子金具との接続部分の電食を確実に防止するところにある。 However, in the above-described method of applying the anticorrosive agent, it is necessary to change the application conditions depending on the pressure-bonding shape of the barrel, the thickness of the application layer varies, the quality is not stable, the care of peeling of the application layer is necessary, and There were a number of problems, such as inability to easily repair during maintenance, and the emergence of new countermeasures was anxious.
The present invention has been completed based on the above situation, and an object of the present invention is to reliably prevent electrolytic corrosion at the connection portion between the electric wire and the terminal fitting without using an anticorrosive agent.
　本発明の端子金具付き電線は、金属製の芯線を絶縁被覆で覆った電線と、前記芯線とは異種の金属製であって同芯線と接続される電線接続部を設けた端子金具と、前記端子金具とイオン化傾向が近い金属製であって、前記電線の絶縁被覆が皮剥きされて露出された前記芯線の端末から残された絶縁被覆の端末に亘って嵌着され、かつ前記端子金具の電線接続部に圧着されるキャップと、前記電線に嵌装され前記キャップと前記絶縁被覆の間をシールするシール体と、を備える。 The electric wire with a terminal fitting of the present invention is an electric wire in which a metal core wire is covered with an insulation coating, a terminal fitting provided with an electric wire connecting portion that is made of a metal different from the core wire and is connected to the core wire, It is made of a metal that is close to ionization with the terminal fitting, and is fitted over the end of the insulation coating remaining from the end of the core wire exposed by peeling off the insulation coating of the electric wire, and the terminal fitting A cap that is crimped to the electric wire connecting portion; and a seal body that is fitted to the electric wire and seals between the cap and the insulating coating.
　電線における露出した芯線の端末から残された絶縁被覆の端末に亘ってキャップが嵌着され、このキャップに端子金具の電線接続部が圧着されることで、芯線と端子金具との間の電気的接続が取られる。それとともに電線にシール体が嵌装されてキャップと絶縁被覆の間がシールされる。
　電線接続部の圧着部分では、イオン化傾向の近い金属同士の接触となるために、仮に水分が付着したとしても電食は起き難い。一方、キャップの内面と芯線との間は、異種金属同士の接触となるが、この接触部分すなわちキャップ内への浸水はシール体で阻止されるから、同接触部分に電食が発生するには至らない。結果、防食剤を使用することなく電線と端子金具との接続部分の電食を確実に防止できる。 A cap is fitted over the end of the insulation coating remaining from the end of the exposed core wire in the electric wire, and the electric wire connection portion of the terminal fitting is crimped to this cap, so that the electrical connection between the core wire and the terminal fitting is achieved. A connection is taken. At the same time, a sealing body is fitted to the electric wire to seal between the cap and the insulating coating.
In the crimped portion of the wire connecting portion, the metals that are close to ionization are in contact with each other, so even if moisture adheres, electrolytic corrosion hardly occurs. On the other hand, between the inner surface of the cap and the core wire, the dissimilar metals come into contact with each other. However, since this contact portion, that is, water in the cap is blocked by the seal body, electric corrosion occurs at the contact portion. It does n’t come. As a result, it is possible to reliably prevent electrolytic corrosion at the connection portion between the electric wire and the terminal fitting without using an anticorrosive agent.
　本発明によれば、防食剤を使用することなく電線と端子金具との接続部分の電食を確実に防止することができる。 According to the present invention, it is possible to reliably prevent electrolytic corrosion at the connection portion between the electric wire and the terminal fitting without using an anticorrosive agent.
図１は本発明の実施形態１の分解側断面図である。FIG. 1 is an exploded side sectional view of Embodiment 1 of the present invention. 図２は雌端子金具の斜視図である。FIG. 2 is a perspective view of the female terminal fitting. 図３はキャップを嵌着した状態の側断面図である。FIG. 3 is a side sectional view of the cap fitted. 図４は雌端子金具付きのアルミ電線を雌ハウジングに挿入する動作を示す側断面図である。FIG. 4 is a side sectional view showing the operation of inserting the aluminum electric wire with the female terminal fitting into the female housing. 図５は挿入完了時の側断面図である。FIG. 5 is a side sectional view when the insertion is completed. 図６は本発明の実施形態２に係る雌端子金具付きのアルミ電線を雌ハウジングに挿入した状態の側断面図である。FIG. 6 is a side cross-sectional view of a state in which an aluminum electric wire with a female terminal fitting according to Embodiment 2 of the present invention is inserted into a female housing.
　１０…アルミ電線（電線）
　１１…芯線
　１３…絶縁被覆
　２０…雌端子金具（端子金具）
　２２…底板
　２５…ワイヤバレル（電線接続部）
　２５Ａ…バレル片
　２６…インシュレーションバレル
　２６Ａ…バレル片
　３０…キャップ
　４０…シール体
　４０Ａ…（防水栓を兼ねた）シール体
　４３，４４…リップ
　４６…外リップ
　５０，５０Ａ…雌ハウジング（コネクタハウジング）
　５１…キャビティ
　５１Ａ…（キャビティ５１の）入口 10 ... Aluminum wire (wire)
DESCRIPTION OF SYMBOLS 11 ... Core wire 13 ... Insulation coating 20 ... Female terminal metal fitting (terminal metal fitting)
22 ... Bottom plate 25 ... Wire barrel (wire connection part)
25A ... Barrel piece 26 ... Insulation barrel 26A ... Barrel piece 30 ... Cap 40 ... Seal body 40A ... Seal body 43/44 ... Lip 46 ... Outer lip 50, 50A ... Female housing (connector housing)
51 ... Cavity 51A ... Inlet (of cavity 51)
　＜実施形態１＞
　本発明の実施形態１を図１ないし図５によって説明する。
　本実施形態では、アルミ電線１０に適用した場合を例示しており、図１に示すように、アルミ電線１０と、雌側の端子金具２０（以下、雌端子金具２０）と、キャップ３０と、シール体４０とを備えて構成されている。
　アルミ電線１０は、図１に示すように、アルミニウムまたはアルミニウム合金製の素線１２を複数本を撚り合せた撚り線によって芯線１１が形成され、この芯線１１の回りが合成樹脂製の絶縁被覆１３で覆われた構造となっている。 <Embodiment 1>
A first embodiment of the present invention will be described with reference to FIGS.
In this embodiment, the case where it applies to the aluminum electric wire 10 is illustrated, and as shown in FIG. 1, the aluminum electric wire 10, the female terminal fitting 20 (hereinafter referred to as the female terminal fitting 20), the cap 30, The seal body 40 is provided.
As shown in FIG. 1, the aluminum electric wire 10 has a core wire 11 formed of a twisted wire obtained by twisting a plurality of strands 12 made of aluminum or aluminum alloy, and an insulating coating 13 made of synthetic resin is formed around the core wire 11. The structure is covered with.
　雌端子金具２０は、銅合金製の板材をプレス加工することで形成され、図２にも示すように、相手の雄端子金具（図示せず）と電気的に接続される略角筒形をなす端子接続部２１の後方に、ワイヤバレル２５とインシュレーションバレル２６とが設けられた構造である。前側のワイヤバレル２５が本発明の電線接続部に相当する。
　端子接続部２１の内部には、底板２２の前縁から折り返されるようにして弾性接触片２３が設けられており、同端子接続部２１に対して上記した相手の雄端子金具のタブが前方から挿入され、弾性接触片２３と弾性的に接触することにより、雄端子金具と雌端子金具２０とが電気的に接続されるようになっている。 The female terminal fitting 20 is formed by pressing a copper alloy plate, and as shown in FIG. 2, the female terminal fitting 20 has a substantially rectangular tube shape that is electrically connected to a mating male terminal fitting (not shown). A wire barrel 25 and an insulation barrel 26 are provided behind the terminal connection portion 21 to be formed. The front wire barrel 25 corresponds to the wire connecting portion of the present invention.
An elastic contact piece 23 is provided inside the terminal connection portion 21 so as to be folded back from the front edge of the bottom plate 22, and the tab of the mating male terminal fitting described above is connected to the terminal connection portion 21 from the front. By inserting and elastically contacting the elastic contact piece 23, the male terminal fitting and the female terminal fitting 20 are electrically connected.
　先にキャップ３０を説明すると、このキャップ３０は、雌端子金具２０と同じく銅合金製の板材を深絞り加工する等によって形成されており、先端側が丸みを付けて閉鎖された細長い円筒状をなしている。このキャップ３０は、後記するように、アルミ電線１０の絶縁被覆１３が皮剥きされて露出された芯線１１の端末から残された絶縁被覆１３の端末に亘って嵌装され、六角かしめ形式等でかしめ圧着されるようになっている。 The cap 30 will be described first. The cap 30 is formed by deep drawing a copper alloy plate like the female terminal fitting 20 and has a long and narrow cylindrical shape with a rounded end and closed. ing. As will be described later, the cap 30 is fitted over the end of the insulating coating 13 left from the end of the core wire 11 exposed by peeling off the insulating coating 13 of the aluminum electric wire 10, and is in a hexagonal caulking type or the like. It is designed to be crimped.
　雌端子金具２０に設けられたワイヤバレル２５は、オープンバレル形式であって、左右一対の幅広のバレル片２５Ａが、底板２２の左右の側縁から互いに対向するようにして立ち上がり形成されている。このワイヤバレル２５は、上記したアルミ電線１０の端末に嵌着されたキャップ３０のうち、芯線１１の端末に嵌着された領域にかしめ圧着されるものであって、両バレル片２５Ａの突出端を重ね合わせつつキャップ３０の外周を左右両側から抱き込むようにして、いわゆるオーバラップ型にかしめられるようになっている。 The wire barrel 25 provided in the female terminal fitting 20 is an open barrel type, and a pair of left and right wide barrel pieces 25 </ b> A are formed so as to face each other from the left and right side edges of the bottom plate 22. The wire barrel 25 is caulked and crimped to a region fitted to the end of the core wire 11 in the cap 30 fitted to the end of the aluminum electric wire 10, and the protruding end of both barrel pieces 25A. The outer periphery of the cap 30 is embraced from both the left and right sides while being overlapped, so that it can be caulked into a so-called overlap type.
　インシュレーションバレル２６は、同じくオープンバレル形式であって、ワイヤバレル２５側のバレル片２５Ａよりも幅狭で背が高い左右一対のバレル片２６Ａが、同じく底板２２の左右の側縁から互いに対向するようにして立ち上がり形成されている。このインシュレーションバレル２６は、キャップ３０のうち絶縁被覆１３の端末に嵌着された領域にかしめ圧着されるものであって、同様にオーバラップ型にかしめられるようになっている。 The insulation barrel 26 is also of an open barrel type, and a pair of left and right barrel pieces 26A which are narrower and taller than the barrel piece 25A on the wire barrel 25 side are also opposed to each other from the left and right side edges of the bottom plate 22. In this way, it is formed to rise. The insulation barrel 26 is caulked and crimped to a region of the cap 30 that is fitted to the end of the insulating coating 13, and is similarly caulked in an overlapping manner.
　シール体４０はゴム等の弾性材からなり、後面板４１にアルミ電線１０を挿通可能な中心孔４２を設けた筒形に形成されている。同シール体４０における内周面には、前後二条のリップ４３，４４が形成され、前側のリップ４３よりも後側のリップ４４の方が少し背が高く形成されている。前側のリップ４３は、キャップ３０の外周面に弾縮して密着することに機能し、後側のリップ４４は、アルミ電線１０の絶縁被覆１３の外周面に弾縮して密着することに機能する。 The seal body 40 is made of an elastic material such as rubber, and is formed in a cylindrical shape in which a center hole 42 through which the aluminum electric wire 10 can be inserted is provided in the rear plate 41. Two front and rear lips 43, 44 are formed on the inner peripheral surface of the seal body 40, and the rear lip 44 is slightly taller than the front lip 43. The front lip 43 functions to elastically adhere to the outer peripheral surface of the cap 30, and the rear lip 44 functions to elastically adhere to the outer peripheral surface of the insulating coating 13 of the aluminum wire 10. To do.
　続いて、本実施形態に係る端子金具付き電線の製造工程を説明する。
　まず、アルミ電線１０の端末に対してシール体４０が先通しされて嵌装される。同シール体４０が後方に逃がされている状態において、図１に示すように、アルミ電線１０の絶縁被覆１３の端末が皮剥きされて、芯線１１の端末が所定長さに亘って露出状態とされる。
　次に、図３に示すように、この露出された芯線１１の端末から残された絶縁被覆１３の端末に亘ってキャップ３０が嵌装され、かしめ圧着される。これにより、キャップ３０の前端側の内周面と、芯線１１の外周面とが密着して電気的接続が取られる。 Then, the manufacturing process of the electric wire with a terminal metal fitting which concerns on this embodiment is demonstrated.
First, the seal body 40 is passed through and fitted to the end of the aluminum electric wire 10. In the state where the sealing body 40 is escaped rearward, as shown in FIG. 1, the end of the insulation coating 13 of the aluminum electric wire 10 is peeled, and the end of the core wire 11 is exposed over a predetermined length. It is said.
Next, as shown in FIG. 3, the cap 30 is fitted over the terminal of the insulating coating 13 remaining from the terminal of the exposed core wire 11, and crimped and crimped. As a result, the inner peripheral surface on the front end side of the cap 30 and the outer peripheral surface of the core wire 11 are brought into close contact with each other to be electrically connected.
　上記のように、アルミ電線１０の端末にキャップ３０が嵌着されたら、圧着装置により、キャップ３０に対して雌端子金具２０が圧着接続される。詳細には、圧着装置にはアンビルとクリンパとが設けられ、雌端子金具２０のワイヤバレル２５に対してキャップ３０の前端側が、またインシュレーションバレル２６に対して、キャップ３０の後端側がそれぞれ配された状態でセットされ、両バレル２５，２６は、アンビルとクリンパとの間で挟圧されて共にオーバラップ型にかしめられる（図４参照）。これにより、特にワイヤバレル２５の内周面とキャップ３０の外周面とが密着して電気的接続が取られる。 As described above, when the cap 30 is fitted to the end of the aluminum electric wire 10, the female terminal fitting 20 is crimped and connected to the cap 30 by the crimping device. Specifically, the crimping device is provided with an anvil and a crimper, and the front end side of the cap 30 is arranged with respect to the wire barrel 25 of the female terminal fitting 20, and the rear end side of the cap 30 is arranged with respect to the insulation barrel 26. The two barrels 25 and 26 are clamped between the anvil and the crimper and are both caulked in an overlapping manner (see FIG. 4). Thereby, in particular, the inner peripheral surface of the wire barrel 25 and the outer peripheral surface of the cap 30 are brought into close contact with each other to establish an electrical connection.
　最後に、図４に示すように、後方に逃がされていたシール体４０をアルミ電線１０に沿って前方（端末）に向けて移動し、前側のリップ４３をキャップ３０の後端部に乗り上げて弾性的に密着させ、このとき併せて後側のリップ４４が絶縁被覆１３の外周面に弾性的に密着される。これにより、キャップ３０における後端の開口縁と絶縁被覆１３の外周面との間が、浸水不能にシールされる。
　以上により、本実施形態に係るアルミ電線１０の端末に雌端子金具２０を接続する作業が終了する。 Finally, as shown in FIG. 4, the seal body 40 that has escaped rearward is moved toward the front (terminal) along the aluminum electric wire 10, and the front lip 43 rides on the rear end of the cap 30. At this time, the rear lip 44 is also elastically adhered to the outer peripheral surface of the insulating coating 13. Thereby, the gap between the opening edge of the rear end of the cap 30 and the outer peripheral surface of the insulating coating 13 is sealed so as not to be submerged.
Thus, the operation for connecting the female terminal fitting 20 to the terminal of the aluminum electric wire 10 according to the present embodiment is completed.
　上記のように形成された雌端子金具２０付きのアルミ電線１０が、複数本纏められてハーネスが構成され、例えば図４に示すように、当該アルミ電線１０の端末の雌端子金具２０が雌ハウジング５０に形成された対応するキャビティ５１内に後方から挿入されて、ランス５２により抜け止めされて収容され、車両の所定箇所に配線されて、同雌ハウジング５０が相手の雄ハウジングと嵌合されることにより、対応する雌端子金具２０と雄端子金具同士が電気的に接続されるところとなる。 A plurality of aluminum electric wires 10 with female terminal fittings 20 formed as described above are gathered to form a harness. For example, as shown in FIG. 4, the female terminal fitting 20 at the end of the aluminum electric wire 10 is a female housing. 50 is inserted from the rear into the corresponding cavity 51 formed in 50, and is received and retained by the lance 52. The female housing 50 is fitted to the mating male housing by being wired at a predetermined position of the vehicle. As a result, the corresponding female terminal fitting 20 and the male terminal fitting are electrically connected to each other.
　以上のように本実施形態によれば、雌端子金具２０のワイヤバレル２５とキャップ３０との圧着部分では、同じ銅合金同士の接触となるために、仮に水分が付着したとしても電食は起き難い。一方、キャップ３０の内面とアルミ電線１０の芯線１１との間は、異種金属同士の接触となるが、この接触部分すなわちキャップ３０内への浸水はシール体４０で阻止されるから、同接触部分に電食が発生するには至らない。結果、防食剤を使用することなくアルミ電線１０と雌端子金具２０との接続部分の電食を確実に防止することができる。
　なお、キャップ３０をかしめ圧着した際、特に後端の開口縁が開く等の変形を来すおそれがあるが、シール体４０を備えたことでキャップ３０における後端の開口縁と絶縁被覆１３の外周面との間のシールを確実に行うことができる。 As described above, according to the present embodiment, since the same copper alloy is brought into contact with each other at the crimped portion between the wire barrel 25 and the cap 30 of the female terminal fitting 20, even if moisture adheres, electrolytic corrosion occurs. hard. On the other hand, the dissimilar metals are in contact with each other between the inner surface of the cap 30 and the core wire 11 of the aluminum electric wire 10, but this contact portion, that is, water intrusion into the cap 30 is blocked by the seal body 40. No electrical corrosion occurs. As a result, it is possible to reliably prevent electrolytic corrosion at the connecting portion between the aluminum electric wire 10 and the female terminal fitting 20 without using an anticorrosive.
In addition, when the cap 30 is crimped and crimped, there is a risk that the opening edge of the rear end may be opened. However, since the sealing body 40 is provided, the opening edge of the rear end of the cap 30 and the insulating coating 13 Sealing with the outer peripheral surface can be performed reliably.
　また、この実施形態では、雌端子金具２０をキャップ３０に接続するのに、ワイヤバレル２５とインシュレーションバレル２６の両方をキャップ３０に対してかしめ圧着するようにしているから、雌端子金具として新たな構造のものを準備することなく、ワイヤバレル２５とインシュレーションバレル２６とを備えた既存の雌端子金具２０をそのまま適用することが可能である。 In this embodiment, since the female terminal fitting 20 is connected to the cap 30, both the wire barrel 25 and the insulation barrel 26 are caulked and crimped to the cap 30. The existing female terminal fitting 20 provided with the wire barrel 25 and the insulation barrel 26 can be applied as it is without preparing a simple structure.
　＜実施形態２＞
　次に、本発明の実施形態２を図６によって説明する。
　この実施形態では、シール体４０Ａの構造に変更が加えられている。実施形態２のシール体４０Ａは、雌ハウジング５０のキャビティ５１の入口５１Ａに略緊密に嵌装されるべく大径に形成されており、内周面に、キャップ３０の外周面と、アルミ電線１０の絶縁被覆１３の外周面とにそれぞれ弾縮して密着する前後二条の内リップ４３，４４が形成されていることに加え、外周面に、キャビティ５１の内周面に弾縮して密着する前後二条の外リップ４６が形成されている。 <Embodiment 2>
Next, Embodiment 2 of the present invention will be described with reference to FIG.
In this embodiment, the structure of the seal body 40A is changed. The sealing body 40A of the second embodiment is formed with a large diameter so as to be fitted almost tightly into the inlet 51A of the cavity 51 of the female housing 50. The outer peripheral surface of the cap 30 and the aluminum electric wire 10 In addition to the two front and rear inner lips 43, 44 that are elastically contacted with the outer peripheral surface of the insulating coating 13, the inner peripheral surface of the cavity 51 is elastically contacted with the outer peripheral surface. Two front and rear outer lips 46 are formed.
　実施形態２に係る雌端子金具２０付きアルミ電線１０の製造工程、並びに雌ハウジング５０Ａへの組付工程は、以下のようである。
　上記実施形態１と同様に、アルミ電線１０における露出された芯線１１の端末から残された絶縁被覆１３の端末に亘ってキャップ３０が嵌着され、このキャップ３０に対して、雌端子金具２０のワイヤバレル２５とインシュレーション２６とがかしめ圧着される。 The manufacturing process of the aluminum electric wire 10 with the female terminal fitting 20 according to the second embodiment and the assembling process to the female housing 50A are as follows.
As in the first embodiment, the cap 30 is fitted over the end of the insulating coating 13 left from the exposed end of the core wire 11 in the aluminum electric wire 10, and the female terminal fitting 20 is attached to the cap 30. The wire barrel 25 and the insulation 26 are crimped and crimped.
　このようにアルミ電線１０の端末に雌端子金具２０が固着されたら、図６に示すように、シール体４０Ａを後方に逃がし状態において、雌端子金具２０を雌ハウジング５０Ａの対応するキャビティ５１内に挿入し、ランス５２により正規位置に抜け止めされたらシール体４０Ａをアルミ電線１０に沿って前方（端末）に向けて移動し、キャビティ５１の入口５１Ａに挿入する。シール体４０Ａは、前側の内リップ４３がキャップ３０の後端部に乗り上げて密着し、かつ後側の内リップ４４が絶縁被覆１３の外周面に密着するまで押し込まれ、このとき併せて、前後二条の外リップ４６がキャビティ５１の入口５１Ａの内周面に弾性的に密着され、キャビティ５１の入口５１Ａのシールも取られることになる。 When the female terminal fitting 20 is fixed to the end of the aluminum electric wire 10 in this way, as shown in FIG. 6, the female terminal fitting 20 is placed in the corresponding cavity 51 of the female housing 50A in a state in which the seal body 40A is released backward. When the seal body 40A is inserted and prevented from coming off at the normal position by the lance 52, the seal body 40A is moved forward (terminal) along the aluminum electric wire 10 and inserted into the inlet 51A of the cavity 51. The seal body 40A is pushed in until the front inner lip 43 rides on and adheres to the rear end of the cap 30 and the rear inner lip 44 contacts the outer peripheral surface of the insulating coating 13. The two outer lips 46 are elastically brought into close contact with the inner peripheral surface of the inlet 51A of the cavity 51, and the inlet 51A of the cavity 51 is also sealed.
　本実施形態のシール体４０Ａは、キャップ３０内への浸水を防いで電食を防止する機能に加えて、キャビティ５１の入口５１Ａをシールする防水栓の機能を併せ持つようにしたから、防水コネクタに適用する場合に好適となる。
　なおこの場合、雌ハウジング５０Ａの後面等にシール体４０Ａの抜け止め部材を設けるようにしてもよい。 Since the sealing body 40A of this embodiment has a function of a waterproof plug that seals the inlet 51A of the cavity 51 in addition to a function of preventing electric corrosion by preventing water from entering the cap 30, a waterproof connector is provided. This is suitable for application.
In this case, a retaining member for the sealing body 40A may be provided on the rear surface or the like of the female housing 50A.
　＜他の実施形態＞
　本発明は上記記述及び図面によって説明した実施形態に限定されるものではなく、例えば次のような実施形態も本発明の技術的範囲に含まれる。
　（１）上記実施形態では、キャップに圧着するのにワイヤバレルとインシュレーションの両方を用いたが、インシュレーションバレルを除去してワイヤバレルのみを備えるようにしてもよい。
　（２）ワイヤバレルの形式としては、上記実施形態に例示したオーバラップ形式に限らず、左右一対のバレル片が、芯線の軸線方向にずれて配された形式のものであってもよく、バレル片が１本だけのものであってもよい。さらには、かしめ前に予め筒形に形成されたクローズドバレル形式であってもよい。要は、バレルがかしめられたときに、キャップに突き刺さる等でこれを破損しないものが好ましい。 <Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention.
(1) In the above embodiment, both the wire barrel and the insulation are used for pressure bonding to the cap. However, the insulation barrel may be removed and only the wire barrel may be provided.
(2) The form of the wire barrel is not limited to the overlap form exemplified in the above embodiment, and the pair of left and right barrel pieces may be arranged so as to be shifted in the axial direction of the core wire. There may be only one piece. Furthermore, it may be a closed barrel type formed in a cylindrical shape in advance before caulking. In short, it is preferable that when the barrel is caulked, it does not break by piercing the cap.
　（３）上記実施形態では、アルミ電線の端末に接続する端子金具として雌端子金具を例示したが、雄タブを備えた雄端子金具、あるいは目玉状の接続部を有するＬＡ端子等の他の端子金具であってもよい。
　（４）電線がアルミ電線であり、端子金具が銅合金製である場合におけるキャップの材質としては、上記実施形態に例示した銅合金以外に、以下のようなものであってもよい。すなわちキャップの材質としては、アルミニウムよりもイオン化傾向が小さい金属である必要があり、かつ端子金具の材質（銅合金）とイオン化傾向が近い方が好ましく、例えば亜鉛、鉄、ニッケル、すず（すずめっき品も含む）、鉛及び銅が挙げられる。
　（５）本発明は、上記実施形態に例示したアルミ電線に銅合金製の端子金具を接続する場合に限らず、電線の芯線とこれに接続される端子金具とが異種の金属によって形成されている場合全般に広く適用することが可能である。 (3) In the above embodiment, the female terminal fitting is exemplified as the terminal fitting to be connected to the terminal of the aluminum electric wire. However, other terminals such as a male terminal fitting having a male tab or an LA terminal having an eyeball-shaped connecting portion. It may be a metal fitting.
(4) The material of the cap when the electric wire is an aluminum electric wire and the terminal fitting is made of a copper alloy may be as follows in addition to the copper alloy exemplified in the above embodiment. That is, the material of the cap needs to be a metal having a smaller ionization tendency than aluminum, and is preferably closer to the ionization tendency of the terminal fitting material (copper alloy), for example, zinc, iron, nickel, tin (tin plating) Products), lead and copper.
(5) The present invention is not limited to the case where a copper alloy terminal fitting is connected to the aluminum electric wire exemplified in the above embodiment, and the core wire of the electric wire and the terminal fitting connected thereto are formed of different metals. In general, it can be widely applied.
　（課題を解決するための手段）
　本明細書で開示された技術は端子金具付き電線に関するものであり、金属製の芯線を絶縁被覆で覆った電線と、前記芯線とは異種の金属製であって同芯線と接続される電線接続部を設けた端子金具と、前記端子金具とイオン化傾向が近い金属製であって、前記電線の絶縁被覆が皮剥きされて露出された前記芯線の端末から残された絶縁被覆の端末に亘って嵌着され、かつ前記端子金具の電線接続部に圧着されるキャップと、前記電線に嵌装され前記キャップと前記絶縁被覆の間をシールするシール体と、を備えるところに特徴を有する（手段１）。 (Means for solving the problem)
The technology disclosed in the present specification relates to an electric wire with a terminal fitting, and an electric wire connection in which a metal core wire is covered with an insulating coating, and the core wire is made of a different kind of metal and connected to the same core wire. A terminal fitting provided with a portion, and a metal having an ionization tendency close to that of the terminal fitting, the insulation covering of the electric wire being peeled off and exposed from the end of the core wire left exposed And a cap that is fitted and crimped to the wire connection portion of the terminal fitting, and a seal body that is fitted to the wire and seals between the cap and the insulating coating. ).
　手段１の構成に加えて、前記電線が、アルミニウムまたはアルミニウム合金製の芯線を備えたアルミ電線である一方、前記端子金具及び前記キャップが銅合金製である構成としてもよい（手段２）。
　手段２の構成によれば、電食する可能性が高いアルミ電線を使用した場合にも、電食の発生を有効に防ぐことができる。 In addition to the structure of the means 1, while the said electric wire is an aluminum electric wire provided with the core wire made from aluminum or aluminum alloy, the said terminal metal fitting and the said cap are good also as a structure made from a copper alloy (means 2).
According to the configuration of the means 2, even when an aluminum electric wire with a high possibility of electrolytic corrosion is used, the occurrence of electrolytic corrosion can be effectively prevented.
　手段１または手段２の構成に加えて、前記電線接続部が前後２組のバレルから構成され、前側の前記バレルが、前記電線の端末に嵌着されたキャップのうち前記芯線の端末に嵌着された領域にかしめ圧着され、後側の前記バレルが、前記キャップのうち前記絶縁被覆の端末に嵌着された領域にかしめ圧着されているようにしてもよい（手段３）。
　手段３の構成によれば、ワイヤバレルとインシュレーションバレルとを備えた既存の端子金具をそのまま適用することができる。 In addition to the configuration of the means 1 or 2, the wire connecting portion is composed of two front and rear barrels, and the front barrel is fitted to the end of the core wire among the caps fitted to the ends of the wires. The rear barrel may be crimped and crimped to a region of the cap fitted to the end of the insulating coating (means 3).
According to the structure of the means 3, the existing terminal metal fitting provided with the wire barrel and the insulation barrel can be applied as it is.
　手段１ないし手段３のいずれかの構成に加えて、前記端子金具がコネクタハウジングに設けられたキャビティに挿入されて収容可能となっているとともに、前記シール体が前記キャビティの入口に緊密に嵌着されて防水栓の機能を兼備しているようにしてもよい（手段４）。
　手段４の構成によれば、防水コネクタに適用する場合に好適となる。 In addition to any one of the means 1 to 3, the terminal fitting is inserted into a cavity provided in the connector housing and can be accommodated, and the seal body is closely fitted to the inlet of the cavity. It may be made to have the function of a waterproof plug (means 4).
According to the structure of the means 4, it becomes suitable when applying to a waterproof connector.
　手段１ないし手段４の構成とともに、本明細書で開示された技術は、金属製の芯線を絶縁被覆で覆った電線における前記芯線の端末に、前記芯線とは異種の金属製の端子金具に設けられた電線接続部が接続された端子金具付き電線を製造する方法に関するものであり、前記電線の絶縁被覆の端末を皮剥きして前記芯線の端末を露出する工程と、前記端子金具とイオン化傾向が近い金属製のキャップを、前記電線における露出した前記芯線の端末から残された絶縁被覆の端末に亘って嵌着する工程と、前記キャップに前記端子金具の前記電線接続部を圧着する工程と、前記電線にシール体を嵌装して前記キャップと前記絶縁被覆の間をシールする工程とが順次に行われるところに特徴を有する（手段５）。
　手段５の製造方法によれば、本明細書で開示された端子金具付き電線を、確実に製造することができる。 The technology disclosed in this specification together with the configurations of the means 1 to 4 is provided at the terminal of the core wire in the electric wire in which the metal core wire is covered with an insulating coating, and on the metal terminal fitting different from the core wire. A method of manufacturing an electric wire with a terminal fitting to which the electric wire connecting portion is connected, a step of peeling off an end of the insulation coating of the electric wire to expose an end of the core wire, and the terminal fitting and an ionization tendency Fitting a metal cap close to the end of the insulation coating left from the exposed end of the core wire in the wire, and crimping the wire connecting portion of the terminal fitting to the cap; A feature is that the step of fitting a seal body on the electric wire and sealing between the cap and the insulating coating is sequentially performed (means 5).
According to the manufacturing method of the means 5, the electric wire with a terminal metal fitting disclosed in the present specification can be reliably manufactured.

Claims (5)

  1. 　金属製の芯線を絶縁被覆で覆った電線と、
    　前記芯線とは異種の金属製であって同芯線と接続される電線接続部を設けた端子金具と、
    　前記端子金具とイオン化傾向が近い金属製であって、前記電線の絶縁被覆が皮剥きされて露出された前記芯線の端末から残された絶縁被覆の端末に亘って嵌着され、かつ前記端子金具の電線接続部に圧着されるキャップと、
    　前記電線に嵌装され前記キャップと前記絶縁被覆の間をシールするシール体と、
    を備える端子金具付き電線。     An electric wire having a metal core wire covered with an insulation coating;
    A terminal fitting provided with an electric wire connecting portion made of a metal different from the core wire and connected to the core wire,
    The terminal fitting is made of a metal having a close ionization tendency and is fitted over the end of the insulation coating left from the end of the core wire exposed by peeling off the insulation coating of the electric wire, and the terminal fitting A cap that is crimped to the wire connection part of
    A sealing body that is fitted to the electric wire and seals between the cap and the insulating coating;
    Electric wire with terminal fittings.
  2. 　前記電線が、アルミニウムまたはアルミニウム合金製の芯線を備えたアルミ電線である一方、前記端子金具及び前記キャップが銅合金製である請求の範囲第１項に記載の端子金具付き電線。 The electric wire with terminal fitting according to claim 1, wherein the electric wire is an aluminum electric wire having a core wire made of aluminum or aluminum alloy, and the terminal fitting and the cap are made of copper alloy.
  3. 　前記電線接続部が前後２組のバレルから構成され、前側の前記バレルが、前記電線の端末に嵌着されたキャップのうち前記芯線の端末に嵌着された領域にかしめ圧着され、後側の前記バレルが、前記キャップのうち前記絶縁被覆の端末に嵌着された領域にかしめ圧着されている請求の範囲第１項または請求の範囲第２項に記載の端子金具付き電線。 The electric wire connecting portion is composed of two sets of front and rear barrels, and the front barrel is crimped and crimped to a region fitted to the end of the core wire among caps fitted to the end of the electric wire, The electric wire with a terminal fitting according to claim 1 or claim 2, wherein the barrel is crimped and crimped to a region of the cap that is fitted to the end of the insulating coating.
  4. 　前記端子金具がコネクタハウジングに設けられたキャビティに挿入されて収容可能となっているとともに、前記シール体が前記キャビティの入口に緊密に嵌着されて防水栓の機能を兼備している請求の範囲第１項ないし請求の範囲第３項のいずれか一項に記載の端子金具付き電線。 The terminal fitting is capable of being inserted and accommodated in a cavity provided in a connector housing, and the sealing body is closely fitted to an inlet of the cavity to function as a waterproof plug. The electric wire with a terminal metal fitting according to any one of claims 1 to 3.
  5. 　金属製の芯線を絶縁被覆で覆った電線における前記芯線の端末に、前記芯線とは異種の金属製の端子金具に設けられた電線接続部が接続された端子金具付き電線を製造する方法であって、
    　前記電線の絶縁被覆の端末を皮剥きして前記芯線の端末を露出する工程と、
    　前記端子金具とイオン化傾向が近い金属製のキャップを、前記電線における露出した前記芯線の端末から残された絶縁被覆の端末に亘って嵌着する工程と、
    　前記キャップに前記端子金具の前記電線接続部を圧着する工程と、
    　前記電線にシール体を嵌装して前記キャップと前記絶縁被覆の間をシールする工程と、
    が順次に行われる端子金具付き電線の製造方法。     This is a method of manufacturing an electric wire with a terminal fitting in which an electric wire connecting portion provided on a metal terminal fitting different from the core wire is connected to an end of the core wire in an electric wire in which a metallic core wire is covered with an insulating coating. And
    Peeling the end of the insulation coating of the electric wire to expose the end of the core wire; and
    A step of fitting a cap made of metal close to ionization tendency with the terminal fitting over the end of the insulation coating left from the end of the exposed core wire in the electric wire;
    Crimping the wire connecting portion of the terminal fitting to the cap;
    Fitting a sealing body on the electric wire to seal between the cap and the insulating coating;
    Is a method for manufacturing electric wires with terminal fittings.
PCT/JP2011/055747 2010-03-16 2011-03-11 Cable having terminal fitting and manufacturing method for same WO2011115005A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010059227A JP2011192586A (en) 2010-03-16 2010-03-16 Cable having terminal fitting, and manufacturing method for same
JP2010-059227 2010-03-16

Publications (1)

Publication Number Publication Date
WO2011115005A1 true WO2011115005A1 (en) 2011-09-22

Family

ID=44649100

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2011/055747 WO2011115005A1 (en) 2010-03-16 2011-03-11 Cable having terminal fitting and manufacturing method for same

Country Status (2)

Country Link
JP (1) JP2011192586A (en)
WO (1) WO2011115005A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013061562A1 (en) * 2011-10-27 2013-05-02 Yazaki Corporation Electric wire terminal connection structure and intermediary cap used for the same
WO2014200038A1 (en) * 2013-06-14 2014-12-18 矢崎総業株式会社 Stopper and waterproof connector
US9287655B2 (en) 2012-07-31 2016-03-15 Yazaki Corporation Crimped terminal attached aluminum electric wire
US9543689B2 (en) 2012-03-30 2017-01-10 Yazaki Corporation Terminal crimped wire
JP2018067426A (en) * 2016-10-18 2018-04-26 株式会社ティー・ピー・エス Electric wire with connection terminal and manufacturing method thereof
EP3477778A1 (en) * 2017-10-24 2019-05-01 Nexans Connection and sealing element for an insulated electrical conduit and method of preparing same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5751180B2 (en) * 2012-01-24 2015-07-22 住友電装株式会社 Rubber stopper

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55150569A (en) * 1979-05-07 1980-11-22 Bendix Corp Caulked electric terminal for aluminum wire
JPS567366A (en) * 1979-06-27 1981-01-26 Kabel Metallwerke Ghh Method of fixing connecting portion of electric conductor
JPS6423885U (en) * 1987-07-31 1989-02-08
JPH0224468U (en) * 1988-07-30 1990-02-19
JPH0355663U (en) * 1989-10-05 1991-05-29
JPH10199630A (en) * 1997-01-06 1998-07-31 Yazaki Corp Connection terminal
JP2004207172A (en) * 2002-12-26 2004-07-22 Auto Network Gijutsu Kenkyusho:Kk Connection structure of electric wire and terminal fitting
JP2005302475A (en) * 2004-04-09 2005-10-27 Yazaki Corp Electric wire crimping method

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55150569A (en) * 1979-05-07 1980-11-22 Bendix Corp Caulked electric terminal for aluminum wire
JPS567366A (en) * 1979-06-27 1981-01-26 Kabel Metallwerke Ghh Method of fixing connecting portion of electric conductor
JPS6423885U (en) * 1987-07-31 1989-02-08
JPH0224468U (en) * 1988-07-30 1990-02-19
JPH0355663U (en) * 1989-10-05 1991-05-29
JPH10199630A (en) * 1997-01-06 1998-07-31 Yazaki Corp Connection terminal
JP2004207172A (en) * 2002-12-26 2004-07-22 Auto Network Gijutsu Kenkyusho:Kk Connection structure of electric wire and terminal fitting
JP2005302475A (en) * 2004-04-09 2005-10-27 Yazaki Corp Electric wire crimping method

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013061562A1 (en) * 2011-10-27 2013-05-02 Yazaki Corporation Electric wire terminal connection structure and intermediary cap used for the same
CN103891050A (en) * 2011-10-27 2014-06-25 矢崎总业株式会社 Electric wire terminal connection structure and intermediary cap used for the same
US9263825B2 (en) 2011-10-27 2016-02-16 Yazaki Corporation Electric wire terminal connection structure and intermediary cap used for the same
CN103891050B (en) * 2011-10-27 2016-03-02 矢崎总业株式会社 Wire terminal syndeton and the middle cap for wire terminal syndeton
US9543689B2 (en) 2012-03-30 2017-01-10 Yazaki Corporation Terminal crimped wire
US9287655B2 (en) 2012-07-31 2016-03-15 Yazaki Corporation Crimped terminal attached aluminum electric wire
WO2014200038A1 (en) * 2013-06-14 2014-12-18 矢崎総業株式会社 Stopper and waterproof connector
JP2015002071A (en) * 2013-06-14 2015-01-05 矢崎総業株式会社 Plug and waterproof connector
JP2018067426A (en) * 2016-10-18 2018-04-26 株式会社ティー・ピー・エス Electric wire with connection terminal and manufacturing method thereof
EP3477778A1 (en) * 2017-10-24 2019-05-01 Nexans Connection and sealing element for an insulated electrical conduit and method of preparing same

Also Published As

Publication number Publication date
JP2011192586A (en) 2011-09-29

Similar Documents

Publication Publication Date Title
JP5418332B2 (en) Electric wire with terminal bracket
US9774099B2 (en) Structure for connecting crimping terminal and electric wire
WO2011122302A1 (en) Electric wire with terminal fittings and manufacturing method of said electric wire
WO2011115005A1 (en) Cable having terminal fitting and manufacturing method for same
JP5098890B2 (en) Connection structure between wires and terminal fittings
WO2015151904A1 (en) Crimp terminal and connection structure for crimp terminal and wire
JP5447071B2 (en) Electric wire with terminal fitting and method for manufacturing the same
JP5409545B2 (en) Anti-corrosion structure for wire connection
US9263808B2 (en) Connection structural body, connector and method of manufacturing connection structural body
EP2555328A1 (en) Crimping terminal, connect structure body, and connector
KR101629125B1 (en) Terminal fitting
US9608339B2 (en) Crimped terminal attached aluminum electric wire
US20140335745A1 (en) Crimp terminal, connection structural body and connector
JP2010055901A (en) Electric wire with terminal metal fitting, and its manufacturing method
JP5450117B2 (en) Rubber stopper and waterproof connector
JP2011204582A (en) Terminal fitting with electric wire
WO2016031795A1 (en) Method for manufacturing terminal-equipped electrical wires
WO2015108011A1 (en) Terminal and electric-wire connection structure for terminal
JP2011238465A (en) Wire with terminal and manufacturing method thereof
JP7509518B2 (en) Electric wire with terminal and manufacturing device for electric wire with terminal
JP6935310B2 (en) Manufacturing method of electric wire with terminal
KR101833650B1 (en) Wire harness, method of connecting terminal and coated wire, and mold
JP2014164848A (en) Crimp terminal, crimp connection structure, connector, and crimping method of crimp terminal
JP2013246883A (en) Terminal metal fitting

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11756191

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 11756191

Country of ref document: EP

Kind code of ref document: A1