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EP0574567B1 - Contact a couteau pour fiches electriques - Google Patents

Contact a couteau pour fiches electriques Download PDF

Info

Publication number
EP0574567B1
EP0574567B1 EP93901707A EP93901707A EP0574567B1 EP 0574567 B1 EP0574567 B1 EP 0574567B1 EP 93901707 A EP93901707 A EP 93901707A EP 93901707 A EP93901707 A EP 93901707A EP 0574567 B1 EP0574567 B1 EP 0574567B1
Authority
EP
European Patent Office
Prior art keywords
tabs
section
sections
blade contact
contact
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP93901707A
Other languages
German (de)
English (en)
Other versions
EP0574567A1 (fr
Inventor
Guntram May
Helmut Steinhardt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Framatome Connectors Daut and Rietz GmbH and Co KG
Original Assignee
Framatome Connectors Daut and Rietz GmbH and Co KG
Framatome Connectors International SAS
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 Framatome Connectors Daut and Rietz GmbH and Co KG, Framatome Connectors International SAS filed Critical Framatome Connectors Daut and Rietz GmbH and Co KG
Publication of EP0574567A1 publication Critical patent/EP0574567A1/fr
Application granted granted Critical
Publication of EP0574567B1 publication Critical patent/EP0574567B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/04—Pins or blades for co-operation with 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
    • 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
    • H01R13/4364—Insertion of locking piece from the front
    • 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
    • H01R13/04—Pins or blades for co-operation with sockets
    • H01R13/05—Resilient pins or blades
    • H01R13/055—Resilient pins or blades co-operating with sockets 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
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending

Definitions

  • the invention relates to a knife contact for electrical connectors with a strip-shaped contact part, a support body which can be fixed to the connector housing and with crimp attachments for fixing an electrical conductor and its insulating jacket, which is formed by a flat sheet metal blank with an essentially rectangular shape extending over part lengths thereof of the contact part foldable section and a section projecting over the section on both sides, bendable to form the supporting body and tabs arranged on the section for forming the crimp attachments are provided.
  • a knife contact which can be erected from a sheet metal blank is known, in which sections of the contact part are folded onto a central section of the contact part in laboriously lying fold lines lying in mutually opposite edge regions. Flaps are arranged on the foldable sections, which can be bent on the same side transversely to the plane of the contact part and serve as a support body for the knife contact in the knife contact housing.
  • the tabs only allow asymmetrical support of the knife contact, the supporting forces effective only on one side of the contact part also place undesired bending moments on the knife contact.
  • this object is achieved in that the portion forming the contact part over a substantial axial partial length together with the two flaps along a fold line lying in the axis of symmetry are folded plane-parallel to one another by 180 degrees and that the flaps are bent outwards.
  • the knife contact can be produced with little construction effort and, by dispensing with perforations to support the knife contact in the contact housing, leads to an unimpeded current flow.
  • the knife contact can be supported on both sides of the contact part in a symmetrically secured manner in the contact housing and remains free of bending.
  • the knife contact is characterized by mechanical robustness, which enables the use of materials of lower strength but higher electrical conductivity.
  • the tabs preferably have arc sections adjoining the section forming the contact part and flat sections adjoining the arc sections, the arc sections and the flat sections of the tabs projecting beyond the section forming the contact part parallel to the fold line.
  • the arc sections are designed so that the section forming the contact part in the area of the tabs together with the tabs transversely to the direction of insertion has a substantially meandering cross-section, with the possibility of carrying out the support body with any width to the contact part by corresponding radii on the arc sections .
  • the flat portions of the tabs either extend plane-parallel to one another or are designed to extend obliquely towards the free end.
  • the tabs can be made rigid or resilient in whole or in sections, so that the knife contact with the tabs can be inserted and held in the connector housing under prestress, if necessary.
  • the free ends of the two sections can preferably have bends pointing towards one another.
  • the curved sections of the tabs have at least one indentation or pushout serving as stiffening, for example a bead. This prevents accidental bending of the tabs, for example when inserting the blade contact into the connector housing.
  • the tabs can have recesses in the area of the arch sections and / or over part-width sections of the flat sections.
  • the fixation of the knife contact in the knife contact housing can be supported by the engagement of plug bodies fixed in the recesses.
  • the section forming the contact part has a slit on the free plug end in the fold line over a partial length and the ends of the contact part sections thus formed extend towards the free end and to the slit are bent in a mutually pressing manner. Any deposits provided in the marginal edge areas of the longitudinal edges of the contact sections allow the formation of an insertion tip on the knife contact.
  • 1 designates a connector housing for receiving knife contacts 2.
  • the individual knife contact 2 has a contact part 3, a support body 4 for the purpose of axially fixing the knife contact 2 in the plug housing 1 and crimp attachments 5 and 6.
  • the knife contact 2 is formed by a single sheet metal blank 7 (FIG. 8), which over partial lengths has a substantially rectangular section 8 for forming the contact part 3 and section 8 laterally projecting tabs 9, 10 and 11 for forming support body 4 and crimp attachments 5 and 6.
  • the sheet metal blank 7 is folded with the section 8 along a fold line 12 over the length of the knife contact 2 and support body 4 with the tabs 9 extending on both sides of the fold line 12 by 180 degrees.
  • the lobes 9 forming the support body 4 are, as illustrated in FIG.
  • the support body 4 can be gripped behind in the connector housing 1 by means of a bendable extension 14 which is fixed to the connector housing (FIG. 1) and which can be pushed into the connector housing 1 by means of a clamping body 16 can be fixed in the rear grip position.
  • the curved sections 9 'or the curved sections 9' and parts of the flat sections 9 '' can be provided with beads 15 (FIG. 5) which serve to solidify the curved sections 9 'and help prevent the flaps 9 from being accidentally bent back.
  • the arc sections 9 'and the flat sections 9' 'of the tabs 9 are provided with cutouts 18 (FIG. 6), which are preferably designed to be trapezoidal. There is the possibility of engaging or supporting an axial fixation of the knife contact by engaging clamp bodies (not shown) fixed in the stacking housing.
  • the free ends of the flat sections 9 ′′ are bent over part of their length 9 ′′ ′′ in the direction of the fold line plane 12 and thus form a box-shaped support body 4.
  • This support body 4 is characterized by great stability. While in the exemplary embodiments shown the tabs 9 ′′ extend essentially plane-parallel to one another, there is also the possibility of extending the sections 9 ′′ of the tabs 9 obliquely towards the free end and to make the tabs 9 either rigid or resilient. An oblique exposition of the sections 9 ′′ enables the compensation of tolerances between the knife contact 2 and the receptacle 19 for the latter in the plug housing 1.
  • the flaps 10 and 11 of the sheet metal blank 7 are at an angle to the fold line plane of the contact part 3 and serve to fix an electrical conductor (not shown) or to insulate it.
  • the contact part 3 is further, as shown in FIGS. 8 and 9, provided at the free end of the section 8 over a partial length with a slot 20 and the free section ends 8 ', 8' 'thus formed are bent toward one another to form an insertion bevel.
  • the ends 8 ', 8 "facilitate the insertion of the knife contact 2 into associated contact sockets (not shown).
  • the marginal edges of the free ends 8', 8" are provided with shoulders 23, which enable the formation of an insertion tip.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)

Claims (12)

  1. Contact à couteau pour connecteurs électriques, comprenant une partie de contact en forme de bande, un corps d'appui pouvant être fixé au boîtier du connecteur et des pattes de sertissage pour bloquer un conducteur électrique et sa gaine isolante, ledit contact à couteau étant constitué d'une pièce plane en tôle découpée comprenant une portion (8) sensiblement rectangulaire qui s'étend sur des longueurs partielles de celle-ci et qui peut être pliée pour former la partie de contact (3), comprenant des languettes (9) qui font saillie sur chacun des côtés de la portion (8) et peuvent être repliées pour former le corps d'appui, et comprenant des languettes disposées sur la portion (8) pour former les pattes de sertissage, caractérisé en ce que la portion (8) formant la partie de contact (3) est, conjointement avec les deux languettes (9), rabattue sur elle-même à 180 degrés sur une longueur partielle sensiblement axiale le long d'une ligne de pliage (12) située sur l'axe de symétrie pour obtenir des plans parallèles, et en ce que les languettes (9) sont repliées vers l'extérieur.
  2. Contact à couteau selon la revendication 1, caractérisé en ce que les languettes (9) comportent des portions arquées (9') et, sur les portions arquées (9'), des portions planes (9").
  3. Contact à couteau selon la revendication 2, caractérisé en ce que les portions arquées (9') et les portions planes (9") font saillie sur la portion (8) formant la partie de contact (3).
  4. Contact à couteau selon la revendication 1, 2 et 3, caractérisé en ce que, dans la zone des languettes (9), la portion (8) présente, conjointement avec les languettes (9), une section transversale sensiblement en forme de méandres transversalement à la direction d'enfichage.
  5. Contact à couteau selon la revendication 3, caractérisé en ce que les portions planes (9") des languettes (9) s'étendent de manière plane et parallèles entre elles.
  6. Contact à couteau selon la revendication 5, caractérisé en ce que les portions planes (9") des languettes (9) sont conçues pour s'étendre en biais vers l'extérieur en direction de l'extrémité libre.
  7. Contact à couteau selon la revendication 1, 2, 5 et 6, caractérisé en ce que les languettes (9) sont conçues en tout ou en partie avec une possibilité de déformation élastique transversalement au plan de la ligne de pliage (12).
  8. Contact à couteau selon la revendication 2, caractérisé en ce que l'extrémité libre de la portion plane (9") d'au moins une languette (9) est repliée transversalement au plan de la ligne de pliage (12) sur une longueur partielle et/ou sur une largeur partielle afin de former un corps d'appui en forme de caisson tubulaire.
  9. Contact à couteau selon la revendication 2, caractérisé en ce que, dans la zone des portions arquées (9'), les languettes (9) comporte au moins une empreinte ou un relief (15), par exemple une moulure, servant de renfort.
  10. Contact à couteau selon la revendication 1, 2 et 3, caractérisé en ce que les languettes (9) comportent des évidements (18) dans la zone des portions arquées et/ou sur des largeurs partielles des portions planes.
  11. Contact à couteau selon la revendication 1, caractérisé en ce que, à son extrémité libre d'enfichage, la portion (8) formant la partie de contact (3) comporte, dans la ligne de pliage (12), une fente (20) sur une longueur partielle, et en ce que les extrémités des portions de partie de contact (8', 8") s'étendant à côté de la fente (20) sont repliées vers l'extrémité libre et appliquées l'une contre l'autre.
  12. Contact à couteau selon la revendication 11, caractérisé en ce que, dans les zones de bords des arêtes longitudinales, les portions de partie de contact (8, 8") comportent des décrochements (23).
EP93901707A 1992-01-04 1992-12-18 Contact a couteau pour fiches electriques Expired - Lifetime EP0574567B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4200109 1992-01-04
DE4200109A DE4200109A1 (de) 1992-01-04 1992-01-04 Messerkontakt fuer elektrische steckverbinder
PCT/EP1992/002954 WO1993013572A1 (fr) 1992-01-04 1992-12-18 Contact a couteau pour fiches electriques

Publications (2)

Publication Number Publication Date
EP0574567A1 EP0574567A1 (fr) 1993-12-22
EP0574567B1 true EP0574567B1 (fr) 1996-06-19

Family

ID=6449111

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93901707A Expired - Lifetime EP0574567B1 (fr) 1992-01-04 1992-12-18 Contact a couteau pour fiches electriques

Country Status (8)

Country Link
US (1) US5445541A (fr)
EP (1) EP0574567B1 (fr)
JP (1) JPH06505595A (fr)
AT (1) ATE139654T1 (fr)
AU (1) AU3257193A (fr)
BR (1) BR9205714A (fr)
DE (2) DE4200109A1 (fr)
WO (1) WO1993013572A1 (fr)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5385491A (en) * 1993-12-21 1995-01-31 Molex Incorporated Electrical connector with flexible terminal latch means and terminal position assurance device
AU659988B3 (en) * 1994-05-30 1995-06-01 Utilux Pty Limited An electrical connector
IT1268609B1 (it) * 1994-09-30 1997-03-06 Framatome Connectors Italia Connettore elettrico
DE9417197U1 (de) * 1994-10-26 1995-03-02 Siemens AG, 80333 München Kontaktorgan für elektrische Steckverbindungen
DE4439645C1 (de) * 1994-11-07 1996-04-11 Sekurit Saint Gobain Deutsch Stromanschlußelement für eine heizbare Autoglasscheibe
US5520553A (en) * 1994-12-08 1996-05-28 Molex Incorporated Connector with a front end mounted terminal position assurance system
JP3046738B2 (ja) * 1995-01-25 2000-05-29 矢崎総業株式会社 電気接続箱
DE19513590C2 (de) * 1995-04-10 2002-01-24 Tyco Electronics Logistics Ag Flachstecker
JP3694136B2 (ja) * 1997-02-10 2005-09-14 株式会社オートネットワーク技術研究所 プリント基板用コネクタ端子構造
US6069553A (en) * 1997-05-16 2000-05-30 Indak Manufacturing Corp. Blower speed control resistors for automotive or other service
DE29808642U1 (de) 1998-05-14 1999-08-12 Robert Bosch Gmbh, 70469 Stuttgart Kontaktelement
AU741360B2 (en) * 1998-11-06 2001-11-29 Tyco Electronics Pty Limited Improved electrical connector
AU713232B3 (en) * 1998-11-06 1999-11-25 Utilux Pty Limited Improved electrical connector
CA2291806C (fr) * 1998-12-01 2003-05-27 Thomas & Betts International, Inc. Connecteur male ameliore en deux pieces
DE10006920B4 (de) * 1999-02-17 2009-05-07 The Whitaker Corp., Wilmington Einteiliger elektrischer Stift- oder Messerkontakt
WO2002003504A1 (fr) * 2000-07-05 2002-01-10 Tyco Electronics Amp K.K. Contact male
JP2003036909A (ja) * 2001-07-19 2003-02-07 Yazaki Corp コネクタ端子
JP2003036910A (ja) * 2001-07-19 2003-02-07 Yazaki Corp コネクタ端子
US6527596B1 (en) * 2002-02-01 2003-03-04 Tun Li Su Plug blade structure with a shallow recess and a reinforced guide slot for forming an insulating layer
FR2849295B1 (fr) * 2002-12-19 2005-03-04 Cinch Connecteurs Sa Organe de contact electrique male et element de boitier destine a recevoir un tel organe male
EP1511126B1 (fr) * 2003-08-25 2008-01-09 Delphi Technologies, Inc. Elément de contact et sa méthode de fabrication
DE10349539B3 (de) * 2003-10-22 2005-06-16 Yazaki Europe Ltd., Hemel Hempstead Elektrisches Kontaktelement
ITMI20050347A1 (it) * 2005-03-07 2006-09-08 Ilme Spa Elemento di connettore elettrico per conduttori con contatti crimpati
JP5554975B2 (ja) 2009-12-11 2014-07-23 矢崎総業株式会社 圧着端子
DE102011076506A1 (de) * 2011-05-26 2012-11-29 Zf Friedrichshafen Ag Steckerkontakt, Steckverbindergehäuse und Steckverbinder hieraus
JP5644919B1 (ja) 2013-08-26 2014-12-24 第一精工株式会社 コネクタ端子およびその製造方法
CN207638110U (zh) * 2017-05-23 2018-07-20 泰科电子(上海)有限公司 连接端子和同轴连接器
DE102018009921A1 (de) 2018-12-17 2020-06-18 Leopold Kostal Gmbh & Co. Kg Flachsteckverbinderanordnung und Flachkontakt für die Flachsteckverbinderanordnung
US12322890B2 (en) * 2020-06-29 2025-06-03 Microsoft Technology Licensing, Llc Systems and methods for improving safety on electronic device connections

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3555496A (en) * 1969-05-26 1971-01-12 Gen Motors Corp Male connector terminal and insulator
US4390231A (en) * 1978-06-28 1983-06-28 General Motors Corporation Blade terminal with protected latch tangs
US4253718A (en) * 1979-09-04 1981-03-03 General Motors Corporation Electrical connector
DE8902356U1 (de) * 1989-02-28 1990-06-28 Framatome Connectors Daut + Rietz GmbH & Co KG, 90411 Nürnberg Flachkontaktfeder für Stecker von elektrischen Steckverbindern

Also Published As

Publication number Publication date
DE59206621D1 (de) 1996-07-25
JPH06505595A (ja) 1994-06-23
DE4200109A1 (de) 1993-07-08
AU3257193A (en) 1993-07-28
EP0574567A1 (fr) 1993-12-22
WO1993013572A1 (fr) 1993-07-08
BR9205714A (pt) 1994-05-17
ATE139654T1 (de) 1996-07-15
US5445541A (en) 1995-08-29

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