EP0492086B1 - Contact à double ressort plat avec butée - Google Patents

Contact à double ressort plat avec butée Download PDF

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Publication number
EP0492086B1
EP0492086B1 EP91118594A EP91118594A EP0492086B1 EP 0492086 B1 EP0492086 B1 EP 0492086B1 EP 91118594 A EP91118594 A EP 91118594A EP 91118594 A EP91118594 A EP 91118594A EP 0492086 B1 EP0492086 B1 EP 0492086B1
Authority
EP
European Patent Office
Prior art keywords
spring
double leaf
leaf spring
spring contact
fork
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
EP91118594A
Other languages
German (de)
English (en)
Other versions
EP0492086A1 (fr
Inventor
Wolfram Walbrecht
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.)
Grote and Hartmann GmbH and Co KG
Original Assignee
Grote and Hartmann GmbH and Co KG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6860511&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0492086(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Grote and Hartmann GmbH and Co KG filed Critical Grote and Hartmann GmbH and Co KG
Publication of EP0492086A1 publication Critical patent/EP0492086A1/fr
Application granted granted Critical
Publication of EP0492086B1 publication Critical patent/EP0492086B1/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
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/18—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with the spring member surrounding the socket

Definitions

  • the invention relates to a double flat spring contact with a stop device.
  • the stop device consists of a connected to the outer edge of each fork spring arm of a pair of fork spring arms and at a distance from the outer edge at right angles to the other pair of fork spring arms bent tab and from a web opposite the respective tab on the outer edge of each fork spring arm of the other pair of fork spring arms connected web against which the free end edge of the angled region of the tab abuts.
  • the outside of the spacer or stop device is aligned with the end wall of the spring arm base of the double flat spring contact.
  • the double flat spring contact is pushed into a cuboid chamber of a connector housing.
  • the spacer device can hinder the insertion by the elements of the spacer device protruding outward abutting the chamber wall end edges in the region of the plug-in opening of the chamber. But even if the contact area of the double flat spring contact is threaded, tilting of the double flat spring contact can cause the relatively sharp-edged elements of the spacing devices to abut the chamber walls and cause increased friction, so that they can be inserted of the double flat spring contact in a housing chamber of a connector housing, a relatively high insertion force may be required.
  • EP 0 352 871 A3 discloses a flat spring contact which has a conductor wire connection part and a contact part designed as a flat fork spring, the flat fork spring forming a U-shaped spring arm base with a base and two side walls.
  • a spring arm is connected to each side wall, extending forward, and these spring arms are bent from the two side walls to a contact line, converging towards one another and diverge from the contact line to form a funnel.
  • the flat spring contact is provided with a box-shaped spring which is held in a form-fitting manner on the flat fork spring and has spring arms which rest on the fork spring arms.
  • a box web is provided by the over-spring, on which the fork spring arms can be supported with their broad sides in the area of the finding funnel, so as to avoid over-bending of the fork spring arms.
  • This flat spring contact is not a double flat spring contact like the contact element described above. Thus, this flat spring contact also has no outwardly projecting stop devices, as mentioned in feature a) of claim 1.
  • the object of the invention is to provide a double flat spring contact in which the elements of the spacing device do not impede the insertion of the double flat spring contact into a housing chamber of a plug housing and which ensures a relatively low insertion force.
  • the double flat spring contact 1 shown in FIGS. 1 and 2 with external spring 10 is electrical and is formed from a stamped sheet metal part.
  • the double flat spring contact 1 consists of an essentially U-shaped spring arm base 4 with two broad side walls 6 and an end wall 7.
  • a claw part with claw arms 8 is arranged on one side for attaching an electrical conductor wire, not shown.
  • On the other side of the spring arm base 4 are on connected to the front edges of the broad side walls 6, fork spring arms 3 converging in an arc shape, which in the culmination region of the arches form a contact region for a contact tongue, not shown, of a counter-contact.
  • protruding stop devices 2 are provided which keep the converging fork spring arms 3 at a certain distance.
  • the stop devices 2 consist of web or tab-shaped parts.
  • the outer spring 10 essentially consists of a box-shaped spring arm base 13 and a plurality of spring suspension arms 16 adjoining the broad side walls 15 thereof.
  • the spring arm base 13 of the outer spring spring 10 has two broad side walls 15 and two end face walls 14, the spring arm base 13 having the spring arm base 4 of the double spring contact 1 on all sides encloses.
  • a desired tight contact of the spring arm base 13 of the outer spring 10 on the spring arm base 4 of the double flat spring contact 1 is achieved by holding devices in the form of tabs 17.
  • two tabs 17 are formed in each of the side areas, which are bent inward by approximately 180 °, so that the spring arm base 13 is firmly connected to the spring arm base 4.
  • 10 skids 11 are provided on the end walls 14 of the spring arm base 13 of the outer over-spring 10 Cover anchor devices 2 from the outside.
  • a detent spring tongue 18 is punched out, which serve as clamping devices for the double flat spring contact 1 in a chamber of the connector housing 30 by being slightly bent outwards, such as this is shown in Fig. 2.
  • the skids 11 adjoin the end walls 14 of the spring arm base 13 in the direction of the plug housing 30, one skid 11 being provided for each end wall 14.
  • the spring fork arms 16 are connected to the broad side walls 15, namely two spring spring arms 16 per broad side wall 15.
  • the spring arm base 13 as well as the skids 11 and the spring fork arms 16 are formed in one piece.
  • the skids 11 it is the task of the skids 11 to cover the stop devices 2 of the double flat spring contact 1 in order to prevent jamming in the chamber of the connector housing 30. This is done in that the skids 11 extend in a straight line and flat to the spring arm base 13 and abut tightly against the stop devices 2. In order to bring about a better insertion of the double flat spring contact 1, the end regions of the spring fork arms 11 are bent inwards. The kinked areas are shown as bevels 12 and thus form a conical taper of the free end of the outer spring 10. With this conical taper, simple insertion of the double flat spring contact 1 into the corresponding chamber of the plug chamber housing 30 is ensured.
  • the spring fork arms 16 are also straight, but run obliquely inwards in order to rest against the free ends of the fork spring arms 3.
  • the oblique course of the spring fork arms 16 is produced in that the spring fork arms 16 are bent in their connection area to the spring arm base 13.
  • the kink 19 thus formed can be seen in FIG. 2.
  • the spring fork arms 16 are shorter.
  • the end or the end 20 of the spring fork arms 16 is located approximately at the level of the transition of the skids 11 from the straight course to the bevel 12.
  • the spring fork arms 16, which act from the outside against the fork spring arms 3 of the double flat spring contact 1, on the one hand ensure that the free ends of the fork spring arms 3 cannot get caught in the chamber of the connector housing 30.
  • the tension between the fork spring arms 3 necessary for receiving a counter-contact pin, not shown, is increased by the tight contact of the spring-loaded fork arms 16.
  • FIG. 3 shows a plan view of a skid 11, wherein the spring arm base 13 of the outer spring 10 adjoining the lower end of the skid 11 has been omitted.
  • the sliding skid 11 shown has a butt joint 21 in the middle in the longitudinal direction of the sliding skid 11, which also runs through the end wall 14, not shown, of the spring arm base 13 in a corresponding manner.
  • the butt seam 21 results from manufacturing reasons, since the outer spring 10 together with the skids 11 and the spring fork arms 16 are stamped in one piece from a sheet metal part.
  • the outer spring 10 receives its shape shown in FIGS. 1 and 2 by corresponding bending of the punched sheet metal part into a box-like shape.
  • a dovetail-shaped undercut recess 22 is provided on one edge of the butt seam 21, whereas on the other edge the butt seam 21 a correspondingly shaped tab 23 is formed.
  • the tab 23 is pressed into the recess 22, so that there is a firm connection or a positive fit of the tab 23 in the recess 22.
  • notches 24 are formed, which are bent inwards after the assembly of the outer spring 10 onto the double flat spring contact 1, in order to additionally enable a good connection of the outer spring 10 with the double flat spring contact 1.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Regulating Braking Force (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Springs (AREA)

Claims (14)

  1. Contact à double ressort plat avec ressort extérieur superposé,
    a) le contact à double ressort plat présentant une base de bras de ressort (4) sensiblement en forme de U avec des parois latérales plates et une paroi frontale (6, 7), des bras à griffes (8) pour accrocher un fil conducteur électrique étant attachés d'un côté de la base de bras de ressort (4), et de l'autre, aux bords antérieurs des parois latérales plates (6), des bras de ressort fourchus (3) qui convergent en arc et qui forment, dans la région culminante des arcs une zone de contact pour une langue de contact d'un contact opposé, des moyens de butée (2) faisant saillie vers l'extérieur et maintenant les bras de ressort fourchu convergents (3) à une certaine distance étant prévus dans la zone de contact ;
    b) le ressort extérieur superposé (10) présentant une base de bras de ressort (13) en forme de boîte placé de manière fixe sensiblement sans jeu sur la base de bras de ressort (4) du contact à double ressort plat, des bras convergents (16) de ressort fourchu superposé étant attachés aux parois latérales plates (15) de la base (13), ces bras appuyant de l'extérieur sur les bras de ressort fourchu (3) du contact à double ressort plat ; et
    c) un recouvrement sous la forme de patins (11) étant disposé sur le ressort extérieur superposé (10) et recouvrant au moins les moyens de butée (2) des bras de ressort fourchu (3) du contact à double ressort plat (1).
  2. Contact à double ressort plat selon la revendication 1,
    caractérisé en ce que les patins (11) sont disposés sur les parois frontales (14) de la base de bras de ressort (13) du ressort extérieur superposé (10).
  3. Contact à double ressort plat selon la revendication 1 et/ou 2,
    caractérisé en ce que le ressort extérieur superposé (10) présente plusieurs patins (11) dont l'un au moins recouvre les moyens de butée (2) respectifs en regard.
  4. Contact à double ressort plat selon l'une ou plusieurs des revendications 1 à 3,
    caractérisé en ce que les régions d'extrémité libres des patins (11) sont repliées vers l'intérieur dans la direction des bras de ressort fourchu (3) et forment ainsi un plan incliné (12) pour faciliter l'introduction du contact à double ressort plat (1) dans un logement de prises (30), grâce au rétrécissement conique dans la région d'extrémité du ressort extérieur superposé (10).
  5. Contact à double ressort plat selon l'une ou plusieurs des revendications 1 à 4,
    caractérisé en ce que les patins (11) sont disposés dans le même plan que les parois frontales (14) de la base de bras de ressort (13) du ressort extérieur superposé et sont rectilignes jusqu'au plan incliné (12).
  6. Contact à double ressort plat selon la revendication 1,
    caractérisé en ce que les bras fourchus (16) du ressort extérieur superposé (10) sont plans.
  7. Contact à double ressort plat selon la revendication 1 et/ou 6,
    caractérisé en ce que les bras (16) du ressort extérieur fourchu superposé (10) sont prolongés, après un coude (19), par les parois latérales planes (15) et s'étendent ainsi obliquement vers l'intérieur dans la direction du contact à double ressort plat (1) formant un rétrécissement conique du ressort extérieur superposé (20).
  8. Contact à double ressort plat selon l'une ou plusieurs des revendications 1, 6 et 7,
    caractérisé en ce que les bras (16) du ressort extérieur fourchu superposé (10) sont plus courts que les patins (11), le bout ou l'extrémité, (20) des bras (16) du ressort extérieur fourchu superposé étant situé sensiblement au niveau de la transition entre la droite et le plan incliné (12) des patins (11).
  9. Contact à double ressort plat selon l'une ou plusieurs des revendications 1 à 8,
    caractérisé en ce que le ressort extérieur superposé (10) présente des moyens de fixation pour relier le ressort extérieur superposé (10) au contact à double ressort plat (1).
  10. Contact à double ressort plat selon la revendication 9,
    caractérisé en ce que les moyens de fixation comportent plusieurs, en particulier quatre languettes (17), découpées dans la base des bras de ressort (13) du ressort extérieur superposé (10) dans la région des parois frontales (14) et repliées à 180° vers l'intérieur pour serrer la base de bras de ressort (4) du contact à double ressort plat (1).
  11. Contact à double ressort plat selon l'une ou plusieurs des revendications 1 à 10,
    caractérisé en ce que le ressort extérieur superposé (10) présente un moyen de serrage pour un meilleur ajustement du contact à double ressort plat (1) dans un logement de prises (30).
  12. Contact à double ressort plat selon la revendication 11,
    caractérisé en ce que le moyen de serrage consiste en au moins un ressort d'arrêt en forme de languette (18) découpée dans la région de la base de bras de ressort (13) du ressort extérieur superposé (10) et pliée vers l'extérieur pour constituer ainsi un moyen de serrage élastique.
  13. Contact à double ressort plat selon l'une ou plusieurs des revendications 1 à 12,
    caractérisé en ce que le ressort extérieur superposé (10) présente une soudure bord-à-bord, continue (21) dans sa direction longitudinale, disposée centralement dans l'une des parois latérales planes (14) de la base de bras de ressort (13) et dans le patin correspondant (11).
  14. Contact à double ressort plat selon la revendication 13,
    caractérisé par le fait que, pour relier, respectivement fermer, la soudure (21), il est prévu, dans la région du patin (11), sur un bord de la soudure (21), un évidement (22) en contre-dépouille, par exemple en queue d'aronde, et sur l'autre bord de la soudure, une languette (23) de forme correspondante placée sans jeu dans l'évidement (22).
EP91118594A 1990-12-20 1991-10-31 Contact à double ressort plat avec butée Expired - Lifetime EP0492086B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9017229U 1990-12-20
DE9017229U DE9017229U1 (de) 1990-12-20 1990-12-20 Doppelflachfederkontakt mit Anschlageinrichtung

Publications (2)

Publication Number Publication Date
EP0492086A1 EP0492086A1 (fr) 1992-07-01
EP0492086B1 true EP0492086B1 (fr) 1994-12-28

Family

ID=6860511

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91118594A Expired - Lifetime EP0492086B1 (fr) 1990-12-20 1991-10-31 Contact à double ressort plat avec butée

Country Status (5)

Country Link
US (1) US5295873A (fr)
EP (1) EP0492086B1 (fr)
JP (1) JPH04315778A (fr)
DE (3) DE9017229U1 (fr)
PT (1) PT99712B (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4232626A1 (de) * 1992-09-29 1994-03-31 Grote & Hartmann Quetschverbinder
FR2698730B1 (fr) * 1992-11-30 1994-12-30 Cinch Connecteurs Sa Elément de boîtier de connecteur électrique et organe de contact électrique femelle destiné à être monté dans ledit élément de boîtier.
GB9225136D0 (en) * 1992-12-01 1993-01-20 Amp Gmbh Electrical socket terminal
DE19612630C2 (de) * 1995-03-30 2001-09-20 Yazaki Corp Steckbuchse und Verfahren zu deren Herstellung
DE19526738C2 (de) * 1995-07-21 2003-07-24 Whitaker Corp Buchsenkontakt mit Überfeder
JP3115805B2 (ja) * 1995-09-14 2000-12-11 矢崎総業株式会社 端子金具及び端子金具の製造方法
DE19535148A1 (de) * 1995-09-21 1997-03-27 Whitaker Corp Teil eines elektrischen Kontaktes und elektrischer Kontakt
JP3724610B2 (ja) * 1996-10-21 2005-12-07 住友電装株式会社 端子金具のカバー
JPH11224709A (ja) * 1998-02-06 1999-08-17 Harness Syst Tech Res Ltd 雌端子
DE19835020C2 (de) 1998-08-03 2001-02-08 Tyco Electronics Logistics Ag Buchsenkontakt
DE102005047360A1 (de) * 2005-10-04 2007-04-05 Robert Bosch Gmbh Buchsenkontakt mit zusätzlich für die Kontaktlamellen vorgesehenen Spreizlamellen
US8366497B2 (en) * 2009-06-17 2013-02-05 Lear Corporation Power terminal
DE102012017949A1 (de) * 2011-09-28 2013-03-28 Sumitomo Wiring Systems, Ltd. Anschlusspassstück
US8951051B2 (en) 2011-10-10 2015-02-10 Lear Corporation Connector having optimized tip
EP2642598B1 (fr) * 2012-03-19 2017-09-13 Yazaki Europe Ltd Terminal électrique
DE102013212717A1 (de) * 2013-06-28 2014-12-31 Metalluk Bauscher Gmbh & Co Kg Steckverbinder
US9905953B1 (en) * 2016-09-30 2018-02-27 Slobodan Pavlovic High power spring-actuated electrical connector
DE102016125764A1 (de) * 2016-12-28 2018-06-28 Lear Corporation Zweistückige elektrische clean-body-anschlussbuchse
JP6989715B2 (ja) 2018-02-26 2022-01-05 ロイヤル プレシジョン プロダクツ，エルエルシー 高電力用途用のばね作動式電気コネクター
WO2019236976A1 (fr) 2018-06-07 2019-12-12 Royal Precision Products, Llc Ensemble connecteur électrique doté d'un composant de ressort interne
DE112020000459T5 (de) 2019-01-21 2021-11-25 Royal Precision Products, Llc Stromverteilungsanordnung mit schraubenlosem sammelschienensystem
US11721942B2 (en) 2019-09-09 2023-08-08 Eaton Intelligent Power Limited Connector system for a component in a power management system in a motor vehicle
JP2022547535A (ja) 2019-09-09 2022-11-14 ロイヤル プリシジョン プロダクツ エルエルシー 読み取り可能かつ記録可能な印を有するコネクタ記録システム
DE112021003303T5 (de) 2020-07-29 2023-05-25 Eaton Intelligent Power Limited Elektrisches verbindungssystem mit zylindrischem klemmenkörper

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DE2544011C2 (de) * 1974-11-21 1984-04-12 Grote & Hartmann Gmbh & Co Kg, 5600 Wuppertal Doppelflachfederkontakt
DE8236405U1 (de) * 1982-12-24 1984-10-04 Grote & Hartmann Gmbh & Co Kg, 5600 Wuppertal Doppelflachfederkontakt mit Überfeder
US4531808A (en) * 1983-05-16 1985-07-30 Ford Motor Company Blade coupling terminal
US4583812A (en) * 1984-06-29 1986-04-22 Amp Incorporated Electrical contact with assist spring
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DE3730676C1 (en) * 1987-09-12 1988-09-29 Kostal Leopold Gmbh & Co Kg Electrical plug contact part
DE8810033U1 (de) * 1988-08-05 1989-11-30 TRW Daut + Rietz GmbH & Co KG, 8500 Nürnberg Flachkontaktsteckhülse

Also Published As

Publication number Publication date
US5295873A (en) 1994-03-22
PT99712A (pt) 1994-01-31
DE9017229U1 (de) 1992-04-23
PT99712B (pt) 1999-02-26
DE4135907A1 (de) 1992-06-25
JPH04315778A (ja) 1992-11-06
DE59104071D1 (de) 1995-02-09
EP0492086A1 (fr) 1992-07-01

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