WO2004114469A1 - 接続端子 - Google Patents

接続端子 Download PDF

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Publication number
WO2004114469A1
WO2004114469A1 PCT/JP2004/008538 JP2004008538W WO2004114469A1 WO 2004114469 A1 WO2004114469 A1 WO 2004114469A1 JP 2004008538 W JP2004008538 W JP 2004008538W WO 2004114469 A1 WO2004114469 A1 WO 2004114469A1
Authority
WO
WIPO (PCT)
Prior art keywords
connection terminal
connection
core wire
locking
wire crimping
Prior art date
Application number
PCT/JP2004/008538
Other languages
English (en)
French (fr)
Inventor
Yukifumi Machida
Yoshikazu Tanaka
Tetsu Hirose
Original Assignee
Ryosei Electro-Circuit Systems, Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ryosei Electro-Circuit Systems, Ltd. filed Critical Ryosei Electro-Circuit Systems, Ltd.
Priority to KR1020057023656A priority Critical patent/KR101115826B1/ko
Priority to US10/559,997 priority patent/US7419409B2/en
Priority to EP04746053A priority patent/EP1635426B1/en
Priority to JP2005507232A priority patent/JP4555223B2/ja
Publication of WO2004114469A1 publication Critical patent/WO2004114469A1/ja

Links

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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/436—Securing a plurality of contact members by one locking piece or operation
    • H01R13/4367—Insertion of locking piece from the rear
    • 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
    • H01R13/42—Securing in a demountable manner
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/111—Resilient sockets co-operating with pins having a circular transverse section
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/113—Resilient sockets co-operating with pins or blades having a rectangular transverse section
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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
    • H01R13/42—Securing in a demountable manner
    • H01R13/422—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means
    • H01R13/4223—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means comprising integral flexible contact retaining fingers
    • 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 a connection terminal that locks inside a housing in an electric connector.
  • Fig. 8 is a perspective view showing a state in which an electric wire 2 is fixed to a connection terminal 1.
  • a core wire 4 of the electric wire 2 is crimped in a core wire crimping portion 3, and is placed on a sheath crimping portion 5, and the outside of the wire sheath 6 The wire is fixed by crimping.
  • connection terminal 1 when the electric wire 2 is fixed as described above, the connection portion 7 side of the core wire crimping portion 3 is simply plate-shaped, so that it is fragile, and stress or the like is improperly applied to this portion. When it acts, there is a problem that bending or breakage is likely to occur.
  • An object of the present invention is to solve the above-mentioned problems and to provide a connection terminal that is hardly damaged between a connection portion and a core wire crimping portion.
  • a connection terminal for achieving the above object is a connection having a square tubular connection portion at a front portion, and a u-shaped core wire crimping portion and a coating crimping portion at a rear portion sequentially from the front.
  • a plate body portion is formed by being raised on both sides in front of the core wire crimping portion, and the top of the core wire crimping portion and the top of the plate body portion are connected substantially linearly by a connecting portion.
  • connection terminal of the present invention since the tops of the core wire crimping portion and the plate body portion are connected substantially linearly by the connecting portion, the root of the core wire crimping portion is reinforced and damage occurs. Disappears.
  • FIG. 1 is a perspective view of a connection terminal.
  • FIG. 2 is a developed view of a state punched from a conductive metal plate.
  • FIG. 3 is a perspective view of a connection terminal to which electric wires are connected.
  • FIG. 4 is a cross-sectional view of a state where the rear holder is temporarily locked to the housing.
  • FIG. 5 is a perspective view of a locking lance.
  • FIG. 6 is a cross-sectional view of a temporarily locked state in which connection terminals are inserted.
  • FIG. 7 is a cross-sectional view of a fully locked state accommodating connection terminals.
  • FIG. 8 is a perspective view of a conventional connection terminal.
  • FIG. 1 is a perspective view of the connection terminal 11 in a molded state
  • FIG. 2 is a developed view in a state punched out of a conductive metal plate before molding.
  • the front portion of the connection terminal 11 is a rectangular tube-shaped connection portion 12 for receiving the mating tongue-shaped connection terminal 11, and the rear portion is a U-shaped wire crimp portion 13 for fixing the wire. Let's do it.
  • the wire crimping part 13 includes a core wire crimping part 13a on the connection part 12 side and a covering crimping part 13b on the rear end part side.
  • the top portion 13a 'of the core wire crimping portion 13a and the top portion 14' of the locking piece 14 are connected substantially linearly by a connection portion 15.
  • FIG. 3 is a perspective view showing a state where the electric wire 21 is connected to the connection terminal 11.
  • the core wire 22 of the electric wire 21 is crimped by bending the core wire crimping portion 13a, and the wire sheath 23 is crimped by the sheath crimping portion 13b.
  • the force locking pieces 14 bent so as to cover the core wire 22 remain up.
  • the connecting portion 15 is gradually rising from the core wire crimping portion 13a, and the presence of the connecting portion 15 reinforces this portion.
  • FIG. 4 is a cross-sectional view showing a state in which the rear holder 32 is inserted halfway into the housing 31 from the rear and is temporarily locked, and the rear holder 32 is in a halfway position with respect to the housing 31 and is temporarily locked (not shown). It stops at the temporary locking position due to its function.
  • the housing 31 is provided with terminal receiving holes 33 for accommodating the connection terminals 11 individually, for example, in two rows vertically and in multiple rows on the left and right sides. There is an opening 34 to be inserted.
  • the rear holder 32 has a resilient locking lance 35 having a claw 35 a for locking the rear end of the connection portion 12 of the connection terminal 11, and is formed for each terminal receiving hole 33. As shown in FIG. 5, the locking pieces 14 of the connection terminals 11 are fitted on both sides of the locking lance 35, and locking grooves 35b for preventing the connection terminals 11 from further advancing are formed. Is provided.
  • connection portion 12 moves forward while pushing up the locking lance 35 of the rear holder 32 as shown in the upper row.
  • the connecting part 12 passes through the locking lance 35 and passes, it is locked as shown in the lower row.
  • the lance 35 is restored, and the claw 35a of the locking lance 35 is locked to the rear of the connection portion 12.
  • the locking piece 14 of the connection terminal 11 is fitted into the locking groove 35b provided in the locking lance 35.
  • connection terminal 11 when all the connection terminals 11 are aligned in a state where the connection terminals 11 are locked in the front-rear direction at two places by the locking lances 35, for example, a continuity test is performed. Thereafter, by pushing the rear holder 32 and pushing the connection terminal 11 into the fully locked state as shown in FIG. 7, the connection terminal 11 is housed at a predetermined position in the housing 31.
  • connection terminal 11 is pulled back by the claw portion 35 a of the locking lance 35, and the wall portion near the opening 34 is prevented from being pulled out frontward.
  • the groove 35b also helps prevent front slippage.
  • the engagement of the locking groove 35b of the locking piece 14 also prevents the connection terminal 11 from swinging in the left-right direction, and the locking piece 14 also plays the role of a stabilizer.
  • a locking piece 14 is provided in front of the core wire crimping portion 13a, and the core wire crimping portion 13a connects the locking piece 14 and the top portions 13a 'and 14' substantially linearly by the connecting portion 15.
  • the front end of the core wire crimping portion 13a is reinforced so that bending and breakage are reduced.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

　接続端子１１の前方部は、相手側の舌片状の接続端子１１を受け入れるための角筒状の接続部１２とされ、後方部にはＵ字形状の芯線圧着部１３ａ、被覆圧着部１３ｂが設けられている。また、芯線圧着部１３ａの接続部１２側の両側には、上方に向けた板体状の係止片１４がその面を長手方向に向けて立ち上げられている。芯線圧着部１３ａと係止片１４の頂部１３ａ’、１４’同士は、連結部１５によりほぼ直線状に連結され、芯線圧着部１３ａの根元部が補強される。

Description

明 細 書
接続端子
技術分野
[0001] 本発明は、電気コネクタにおいてハウジング内に係止する接続端子に関するもので ある。
背景技術
[0002] 図 8は接続端子 1に電線 2を固定した状態の斜視図であり、芯線圧着部 3において 電線 2の芯線 4を圧着し、被覆圧着部 5におレ、て電線被覆 6の外側から圧着を行って 、電線を固定している。
発明の開示
発明が解決しょうとする課題
[0003] しかし、接続端子 1においては上述のように電線 2を固定した状態において、芯線 圧着部 3の接続部 7側は単なる板状となるために脆弱で、この部分に不時に応力等 が作用した場合に、折れ曲がりや折損などが生じ易いという問題点がある。
[0004] 本発明の目的は、上述の課題を解消し、接続部と芯線圧着部の間において損傷し 難い接続端子を提供することにある。
課題を解決するための手段
[0005] 上述の目的を達成するための本発明に係る接続端子は、前部の角筒状の接続部 、後部に前方から順次に u字形状の芯線圧着部と被覆圧着部を備えた接続端子に おいて、前記芯線圧着部の前方両側に板体部を立ち上げて形成し、前記芯線圧着 部の頂部と前記板体部の頂部とを連結部によりほぼ直線状に連結したことを特徴と する。
発明の効果
[0006] 本発明に係る接続端子によれば、芯線圧着部と板体部との頂部同士を連結部によ りほぼ直線状に連結したので、芯線圧着部の根元が補強され損傷を生ずることがな くなる。
[0007] また、板体部を係止ランスへの係止に利用すると、接続端子の仮係止時における 前方移動が防止される。
図面の簡単な説明
[図 1]図 1は接続端子の斜視図である。
[図 2]図 2は導電金属板から打ち抜いた状態の展開図である。
[図 3]図 3は電線を接続した接続端子の斜視図である。
[図 4]図 4はハウジングに対するリアホルダの仮係止状態の断面図である。
[図 5]図 5は係止ランスの斜視図である。
[図 6]図 6は接続端子を挿入した仮係止状態の断面図である。
[図 7]図 7は接続端子を収容した本係止状態の断面図である。
[図 8]図 8は従来例の接続端子の斜視図である。
符号の説明
11 接続端子
12 接続部
13 電線圧着部
13a 芯線圧着部
13a' 、 14' 頂部
13b 被覆圧着部
14 係止片
15 連結部
21 線
22 心線
23 被覆
31 ハウジング
32 リアホルダ
33 端子収容孔
35 係止ランス
d5a 爪部
35b 係止溝 発明を実施するための最良の形態
[0010] 図 1は成形した状態の接続端子 11の斜視図、図 2は成形前の導電金属板から打ち 抜いた状態の展開図である。接続端子 11の前方部は、相手側の舌片状の接続端子 11を受け入れるための角筒状の接続部 12とされ、後方部は電線を固定する U字形 状の電線圧着部 13とされてレ、る。電線圧着部 13は接続部 12側の芯線圧着部 13a、 後端部側の被覆圧着部 13bとから成っている。また、芯線圧着部 13aの接続部 12側 の前方両側には、上方に向けた板体状の係止片 14がその面を長手方向に向けて立 ち上げられている。そして、芯線圧着部 13aの頂部 13a'と係止片 14の頂部 14 'は、 連結部 15によりほぼ直線状に連結されている。
[0011] 図 3は接続端子 11に電線 21を接続した状態の斜視図である。電線 21の芯線 22は 芯線圧着部 13aを曲折することにより圧着され、電線被覆 23は被覆圧着部 13bによ り圧着されている。この状態で芯線圧着部 13aは、芯線 22を覆うように屈曲されてい る力 係止片 14は立ち上がったままとなっている。そして、連結部 15は芯線圧着部 1 3a側から徐々に立ち上がっており、連結部 15の存在により、この部分が補強されるこ とになる。
[0012] 図 4はハウジング 31に対し後方からリアホルダ 32が中途まで揷入され、仮係止した 状態における断面図を示し、リアホルダ 32はハウジング 31に対し中途の位置で、図 示しない仮係止機能によって仮係止位置で停止している。ハウジング 31には、接続 端子 11を個々に収納するための端子収容孔 33が例えば上下 2段にかつ左右に複 数列に設けられ、各端子収容孔 33の前方には相手側揷込接続端子が揷入される開 口部 34が設けられている。
[0013] リアホルダ 32には、接続端子 11の接続部 12の後端を係止するための爪部 35aを 有し弾発性を持つ係止ランス 35が端子収容孔 33ごとに形成されており、更に図 5に も示すように係止ランス 35の両側面には接続端子 11の係止片 14が嵌合し、接続端 子 11のそれ以上の前進を防止するための係止溝 35bが設けられている。
[0014] この仮係止状態において、図 6に示すように接続端子 11をリアホルダ 32の後方か ら押し込むと、上段のように接続部 12はリアホルダ 32の係止ランス 35を押し上げな がら前進する。接続部 12が係止ランス 35を潜り抜けて通過すると、下段のように係止 ランス 35は復元し、係止ランス 35の爪部 35aが接続部 12の後部に係止する。同時 に、接続端子 11の係止片 14が係止ランス 35に設けられた係止溝 35bに嵌合する。
[0015] 係止ランス 35の爪部 35aによる係止により、接続端子 11は後方に戻ることが規制さ れ、更に係止片 14の係止溝 35bへの嵌合により、接続端子 11が係止ランス 35を離 れてそれ以上の前進が規制されることになる。
[0016] このように、接続端子 11が係止ランス 35により 2個所において前後方向に係止され た状態において、全ての接続端子 11が揃えられると、例えば導通検査が行われる。 その後に、リアホルダ 32を押して図 7に示すように接続端子 11を本係止状態まで押 し込むことにより、接続端子 11はハウジング 31内の所定の位置に収容されることにな る。
[0017] この本係止状態においては、接続端子 11は係止ランス 35の爪部 35aによる後抜け 、開口部 34の近傍の壁部によって前抜けが防止される力 係止ランス 35の係止溝 3 5bによっても前抜け防止は助長される。
[0018] また、係止片 14の係止溝 35bの嵌合は、接続端子 11の左右方向への揺動も防止 されることになり、係止片 14はスタビライザの役割をも果たしている。
[0019] このような工程も含めて、芯線圧着部 13aの前方に係止片 14を設け、芯線圧着部 1 3aは係止片 14と頂部 13a'、 14'同士を連結部 15によりほぼ直線状に結んでいるの で、芯線圧着部 13aの前部が補強され、折れ曲がりや折損が少なくなる。

Claims

請求の範囲
[1] 前部の角筒状の接続部、後部に前方から順次に u字形状の芯線圧着部と被覆圧 着部を備えた接続端子において、前記芯線圧着部の前方両側に板体部を立ち上げ て形成し、前記芯線圧着部の頂部と前記板体部の頂部とを連結部によりほぼ直線状 に連結したことを特徴とする接続端子。
[2] ハウジング装着時に前記接続部の後端を係止ランスにより係止する請求項 1に記 載の接続端子。
[3] 前記板体部は前記係止ランスの両側に形成した係止溝に係止するようにした請求 項 2に記載の接続端子。
PCT/JP2004/008538 2003-06-18 2004-06-17 接続端子 WO2004114469A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020057023656A KR101115826B1 (ko) 2003-06-18 2004-06-17 접속단자
US10/559,997 US7419409B2 (en) 2003-06-18 2004-06-17 Connection terminal
EP04746053A EP1635426B1 (en) 2003-06-18 2004-06-17 Connection terminal
JP2005507232A JP4555223B2 (ja) 2003-06-18 2004-06-17 接続端子

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003173930 2003-06-18
JP2003-173930 2003-06-18

Publications (1)

Publication Number Publication Date
WO2004114469A1 true WO2004114469A1 (ja) 2004-12-29

Family

ID=33534742

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2004/008538 WO2004114469A1 (ja) 2003-06-18 2004-06-17 接続端子

Country Status (6)

Country Link
US (1) US7419409B2 (ja)
EP (1) EP1635426B1 (ja)
JP (1) JP4555223B2 (ja)
KR (1) KR101115826B1 (ja)
CN (1) CN100477403C (ja)
WO (1) WO2004114469A1 (ja)

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EP1786066A1 (en) * 2005-11-15 2007-05-16 Sumitomo Wiring Systems, Ltd. A connector
JP2008077840A (ja) * 2006-09-19 2008-04-03 Jst Mfg Co Ltd 圧着コンタクトおよびこれを装着したコネクタ
JP2012054107A (ja) * 2010-09-01 2012-03-15 Sumitomo Wiring Syst Ltd 電線付き端子金具
TWI752408B (zh) * 2019-03-26 2022-01-11 日商廣瀨電機股份有限公司 連接器及端子

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JP4555223B2 (ja) 2010-09-29
US7419409B2 (en) 2008-09-02
EP1635426B1 (en) 2013-03-27
JPWO2004114469A1 (ja) 2006-08-03
EP1635426A4 (en) 2007-12-05
CN1806371A (zh) 2006-07-19
EP1635426A1 (en) 2006-03-15
KR20060012324A (ko) 2006-02-07
KR101115826B1 (ko) 2012-03-09
CN100477403C (zh) 2009-04-08
US20070105457A1 (en) 2007-05-10

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