WO2011126042A1 - ワイヤーハーネスの端末構造 - Google Patents
ワイヤーハーネスの端末構造 Download PDFInfo
- Publication number
- WO2011126042A1 WO2011126042A1 PCT/JP2011/058691 JP2011058691W WO2011126042A1 WO 2011126042 A1 WO2011126042 A1 WO 2011126042A1 JP 2011058691 W JP2011058691 W JP 2011058691W WO 2011126042 A1 WO2011126042 A1 WO 2011126042A1
- Authority
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- WIPO (PCT)
- Prior art keywords
- terminal
- wire
- wire harness
- electric wire
- terminal structure
- Prior art date
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Classifications
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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
- 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
- H01R4/70—Insulation of connections
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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
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
- H01B1/023—Alloys based on aluminium
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
- H01B1/026—Alloys based on copper
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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
- 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
-
- 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
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
- H01R43/24—Assembling by moulding on contact members
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- 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
-
- 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
- H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
-
- 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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
Definitions
- the present invention relates to a terminal structure of an in-vehicle wire harness.
- coated wire terminal connection portion disclosed in Patent Document 1 as a structure in which a waterproof process is performed by resin molding in a terminal of a wire harness that is fixed to a predetermined terminal fitting.
- the covered electric wire terminal connecting portion shown in Patent Document 1 is a molded hollow mold that accommodates and sets a terminal connecting portion in which a terminal metal fitting is crimped to a tip end conductor of a covered electric wire inside a molding die composed of upper and lower molds.
- the coated wire terminal connecting portion shown in Patent Document 1 exhibits a certain waterproof and corrosion preventing effect by resin molding the terminal portion of the wire harness.
- the mold resin prevents the flatness of the back surface of the terminal metal piece from the viewpoint of installing the terminal metal piece on the flat surface of the automobile body or the like. It was only applied at a non-level.
- the present invention has been made to solve the above-described problems, and an object thereof is to obtain a terminal structure of an in-vehicle wire harness having a high degree of corrosion prevention effect.
- a terminal structure of a wire harness is a terminal structure of an in-vehicle wire harness, and includes a covered electric wire formed by covering a plurality of bare wire conductors with a covering portion, and the plurality of bare wires
- the wire conductor has a partially exposed wire exposed portion at a terminal, and further includes a terminal fitting fixed to the covered wire, and the terminal fitting has, at one end thereof, the wire of the covered wire near the wire exposed portion.
- a caulking portion that is fixed to the covered electric wire by caulking along the outer periphery of the covering portion, and further includes a mold portion that covers at least the entire outer periphery of the end exposed area of the caulking portion and the vicinity thereof.
- a wire harness terminal structure according to the first aspect, wherein the terminal fitting has a plating region whose surface is plated, and the end exposed region of the caulking portion is plated. Includes unplated areas that have not been treated.
- a third aspect of the present invention is the wire harness terminal structure according to the second aspect, wherein the constituent material of the plurality of bare wire conductors includes aluminum, the constituent material of the terminal fitting includes copper, and the plating The area plating material includes tin.
- the mold part is formed to cover the entire outer periphery of the end exposed area of the caulking part and the vicinity thereof, the electrolyte enters from the end exposed area, and the structure of the caulking part The risk that the material is eroded and eventually a part of the bare wire conductor is eroded can be reliably avoided.
- the end exposed region of the caulking portion includes a non-plated region that is not subjected to plating treatment, but the electrolyte infiltrates from the end exposed region by the mold portion, and finally Therefore, it is possible to reliably avoid a risk that a part of the bare wire conductor is eroded.
- the mold is used.
- the mold is used.
- FIG. 3 is a cross-sectional view showing an AA cross section of FIG. 2. It is explanatory drawing for demonstrating the effect of this Embodiment. It is explanatory drawing which shows the other aspect of this Embodiment typically. It is explanatory drawing which shows the terminal structure of the conventional wire harness corresponding to embodiment.
- FIG. 1 is an explanatory view schematically showing a cross-sectional structure of a terminal of an in-vehicle wire harness according to an embodiment of the present invention.
- a covered electric wire 10 obtained by insulatingly covering a plurality of bare wire conductors 11 with a covering portion 13 is a part of a conductor group 12 composed of a plurality of bare wire conductors 11.
- aluminum is used as a constituent material of the bare wire conductor 11.
- the terminal metal fitting 1 is fixed to the terminal portion of the covered electric wire 10. That is, in the terminal region of the covered electric wire 10, the caulking portion 1 ⁇ / b> A formed at one end of the terminal fitting 1 is caulked along the outer periphery of the covered portion of the covered electric wire 10, and in addition, the caulking portion 1 ⁇ / b> B (caulking portion) of the terminal fitting 1.
- the terminal fitting 1 is fixed to the terminal portion of the covered electric wire 10 by caulking along the outer periphery of the conductor group 12 in the electric wire exposed portion 22.
- brass or a copper alloy is used as a constituent material of the terminal fitting 1.
- the terminal fitting 1 has a plated region 1m by pre-plating the surface with tin, but when processing the caulking portion 1A and the caulking portion 1B, there is a fracture surface 1r where the surface copper is exposed. Yes.
- the surface portion of the fracture surface 1r is indicated by a bold line.
- the mold resin 20 is also formed in the upper region of the terminal fitting 1 from the caulking portion 1A to the electric wire exposed portion 22 and the caulking portion 1B.
- FIG. 2 is an explanatory diagram showing dimensional characteristics of the terminal structure of the wire harness of the present embodiment.
- the mold resin 20 is formed with a width of 1 mm or more. Further, the film thickness of the mold resin 20 at the root edge portion 1e is set to 0.1 mm or more.
- the mold resin 20 is formed with dimensional characteristics that completely cover the root edge portion 1e and can completely avoid the adverse effects caused by the erosion of tin, which is the plating material in the plating region 1m.
- FIG. 3 is a cross-sectional view showing a cross-sectional structure of the AA cross section of FIG.
- the mold resin 20 is formed by completely covering the entire outer periphery of the caulking portion 1A in the AA cross section (one end cross section of the terminal fitting 1 (caulking portion 1A)) in FIG. That is, the mold resin 20 is formed so as to cover the entire outer periphery of the caulking portion 1A with a film thickness of 0.1 mm or more.
- the covered electric wire 10 is comprised from the conductor group 12 and the coating
- FIG. 4 shows a structure of the embodiment
- FIG. 6 shows a conventional structure corresponding to the embodiment.
- the forming region of the mold resin 30 covers the back surface of the covered electric wire 10 and extends to the root edge portion 1e of the caulking portion 1A.
- the mold resin 30 is not formed on the back surface of the caulking portion 1A, it is not formed so as to completely cover the region including the root edge portion 1e.
- seawater or the like is submerged as an electrolytic solution from the root edge portion 1e and travels through the electrolytic solution mixing path R1 while eroding the brass or copper alloy, which is a constituent material of the terminal fitting 1 (caulking portion 1A), and the tin plating on the surface. Therefore, the possibility of electrolyte intrusion cannot be avoided reliably.
- the electrolytic solution reaches the conductor group 12 through the electrolytic solution mixing path R1, aluminum that is a constituent material of the bare wire conductor 11 has a higher ionization tendency than brass or a copper alloy that is a terminal constituent material, and thus erodes. Is done.
- the mold resin 30 in the terminal structure of the conventional wire harness represented by the patent document 1 etc. does not completely cover the root edge part 1e of the caulking part 1A, the electrolyte solution mixing path R1 is completely blocked. As a result, there is a problem that the bare wire conductor 11 may be eroded.
- the terminal structure of the wire harness according to the first embodiment completely covers the outer periphery of the end exposed region of the caulking portion 1A including the root edge portion 1e. Since the mold resin 20 is formed, the virtual electrolyte solution mixing path R2 from the fracture surface 1r at one end of the terminal fitting 1 can be completely blocked as shown in FIG.
- the mold resin 20 is formed so as to completely cover the entire outer periphery of the end exposed region that becomes the fracture surface 1r of the caulking portion 1A and the vicinity thereof,
- the electrolyte enters from the fractured surface 1r (root edge portion 1e) in the exposed end region, and the brass or copper alloy of the caulking portion 1A and the tin plating on the surface are eroded, and finally a part of the bare wire conductor 11 The risk of erosion can be reliably avoided.
- the present embodiment has an effect that it is possible to obtain a terminal structure of an in-vehicle wire harness having a high degree of corrosion prevention effect. Therefore, the electrical characteristics of the plurality of bare wire conductors 11 can be maintained with good stability.
- the end exposed area of the caulking portion 1A is a non-plated area (fracture surface 1r) which is not a plating area 1m.
- the mold resin 20 causes the electrolyte to enter from the end exposed area. In addition, it is possible to reliably avoid the risk of finally eroding a part of the bare wire conductor.
- the mold resin 20 can surely avoid the risk that the electrolytic solution enters from the end exposed region and eventually a part of the bare wire conductor 11 is eroded.
- FIG. 5 is an explanatory view schematically showing another aspect of the present embodiment.
- the mold resin 21 is formed by extending on the fracture surface 1r of the other end 1s of the terminal fitting 1.
- the formation contents of other regions of the mold resin 21 are the same as those of the mold resin 30 shown in FIGS.
- the structure except that the mold resin 30 is replaced with the mold resin 21 is the same as the structure of the present embodiment shown in FIGS.
- the terminal structure of the wire harness according to another aspect is provided with the mold resin 21 on all the fractured surfaces 1r (non-plated regions) in the terminal fitting 1 so that brass or copper which is a constituent material of the terminal fitting 1 is provided.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
Description
(構造)
図1はこの発明の実施の形態であるの車載用のワイヤーハーネスの端末の断面構造を模式的に示す説明図である。
図4及び図6は本実施の形態の効果を説明するための説明図である。図4は実施の形態の構造を、図6は実施の形態に対応する従来の構造をそれぞれ示している。
図5は本実施の形態の他の態様を模式的に示す説明図である。同図に示すように、他の態様は、モールド樹脂21を端子金具1の他方端部1sの破断面1r上に延長して形成している。なお、モールド樹脂21の他の領域の形成内容は図1~図4で示したモールド樹脂30と同様である。また、モールド樹脂30がモールド樹脂21に置き換わった以外の構造は図1~図4で示した本実施の形態の構造と同様である。
Claims (3)
- 車載用のワイヤーハーネスの端末構造であって、
複数の裸線導体を被覆部により被覆してなる被覆電線を備え、前記複数の裸線導体は一部が露出した電線露出部を端末に有し、
前記被覆電線に固定される端子金具をさらに備え、前記端子金具はその一方端に、前記電線露出部近傍における前記被覆電線の前記被覆部の外周に沿ってかしめられることにより前記被覆電線に固定されるかしめ部を有し、
少なくとも前記かしめ部の端部露出領域及びその近傍領域の全外周を覆って形成されるモールド部をさらに備える、
ワイヤーハーネスの端末構造。 - 請求項1記載のワイヤーハーネスの端末構造であって、
前記端子金具は表面がメッキ処理されたメッキ領域を有し、
前記かしめ部の前記端部露出領域はメッキ処理が施されていない無メッキ領域を含む、
ワイヤーハーネスの端末構造。 - 請求項2記載のワイヤーハーネスの端末構造であって、
前記複数の裸線導体の構成材料はアルミを含み、
前記端子金具の構成材料は銅を含み、
前記メッキ領域のメッキ材料は錫を含む、
ワイヤーハーネスの端末構造。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201180018063.4A CN102971915B (zh) | 2010-04-08 | 2011-04-06 | 用于线束的端子结构 |
DE112011101261T DE112011101261T5 (de) | 2010-04-08 | 2011-04-06 | Anschlussstruktur für einen Kabelbaum |
US13/582,844 US8723040B2 (en) | 2010-04-08 | 2011-04-06 | Terminal structure for wire harness |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010-089197 | 2010-04-08 | ||
JP2010089197A JP4848040B2 (ja) | 2010-04-08 | 2010-04-08 | ワイヤーハーネスの端末構造 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011126042A1 true WO2011126042A1 (ja) | 2011-10-13 |
Family
ID=44762976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2011/058691 WO2011126042A1 (ja) | 2010-04-08 | 2011-04-06 | ワイヤーハーネスの端末構造 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8723040B2 (ja) |
JP (1) | JP4848040B2 (ja) |
CN (1) | CN102971915B (ja) |
DE (1) | DE112011101261T5 (ja) |
WO (1) | WO2011126042A1 (ja) |
Cited By (2)
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JP2012028154A (ja) * | 2010-07-23 | 2012-02-09 | Auto Network Gijutsu Kenkyusho:Kk | ワイヤーハーネスの端末構造 |
JP2015109251A (ja) * | 2013-10-25 | 2015-06-11 | 株式会社オートネットワーク技術研究所 | 防食剤、端子付き被覆電線及びワイヤーハーネス |
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JP5409545B2 (ja) * | 2010-08-06 | 2014-02-05 | 住友電装株式会社 | 電線接続部の防食構造 |
JP5391173B2 (ja) * | 2010-09-30 | 2014-01-15 | 古河電気工業株式会社 | 電線と端子の接続構造及び接続装置、接続方法、ワイヤーハーネス |
JP2012252900A (ja) * | 2011-06-03 | 2012-12-20 | Yazaki Corp | 接続端子及び接続端子の製造方法 |
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WO2018164127A1 (ja) | 2017-03-07 | 2018-09-13 | 三菱マテリアル株式会社 | 防食端子材及び防食端子並びに電線端末部構造 |
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JP7380448B2 (ja) | 2020-06-26 | 2023-11-15 | 三菱マテリアル株式会社 | アルミニウム心線用防食端子材とその製造方法、及び防食端子並びに電線端末部構造 |
JP2022157330A (ja) * | 2021-03-31 | 2022-10-14 | 本田技研工業株式会社 | 端子構造 |
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- 2011-04-06 US US13/582,844 patent/US8723040B2/en active Active
- 2011-04-06 DE DE112011101261T patent/DE112011101261T5/de not_active Withdrawn
- 2011-04-06 CN CN201180018063.4A patent/CN102971915B/zh not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
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DE112011101261T5 (de) | 2013-03-21 |
US20120325552A1 (en) | 2012-12-27 |
JP2011222243A (ja) | 2011-11-04 |
JP4848040B2 (ja) | 2011-12-28 |
US8723040B2 (en) | 2014-05-13 |
CN102971915A (zh) | 2013-03-13 |
CN102971915B (zh) | 2015-08-26 |
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