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EP0492086A1 - Double flat spring contact with a stop - Google Patents

Double flat spring contact with a stop Download PDF

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Publication number
EP0492086A1
EP0492086A1 EP91118594A EP91118594A EP0492086A1 EP 0492086 A1 EP0492086 A1 EP 0492086A1 EP 91118594 A EP91118594 A EP 91118594A EP 91118594 A EP91118594 A EP 91118594A EP 0492086 A1 EP0492086 A1 EP 0492086A1
Authority
EP
European Patent Office
Prior art keywords
spring
double flat
contact
arms
arm base
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.)
Granted
Application number
EP91118594A
Other languages
German (de)
French (fr)
Other versions
EP0492086B1 (en
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
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Filing date
Publication date
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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/en
Application granted granted Critical
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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 stop device, as described in the preamble of claim 1.
  • the stop device In this double flat spring contact on the market, the stop device consists of a tab connected to the outer edge of each fork spring arm of one fork spring arm pair and bent at a distance from the outer edge at right angles to the other fork spring arm pair, as well as one leg opposite the respective tab on the outer edge of each fork spring arm of the other fork spring arm pair against which the free end edge of the angled area 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 insertion by the outwardly projecting elements of the spacer device 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, the relatively sharp-edged elements of the spacing devices can bump against the chamber walls and cause excessive friction by tilting the double flat spring contact, causing excessive friction, so that it 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.
  • the object of the invention is to provide a double flat spring contact with a spacer device, in which the elements of the spacer 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 sheet metal stamped part.
  • the double flat spring contact 1 consists of a substantially 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 the front edges of the broad side walls 6 are connected to 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 wall 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 regions, which are bent inward by approximately 180 °, so that the spring arm base 13 is firmly connected to the spring arm base 4.
  • slide skids 11 are provided on the end walls 14 of the spring arm base 13 of the external spring 10, which the 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 plug housing 30. This is done in that the skids 11 extend in a straight line and evenly to the spring arm base 13 and lie close to the stop devices 2.
  • the end regions of the spring fork arms 11 are bent inwards. The bent 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 connector 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 top 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 is 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. The free edges opposite each other after the sheet metal stamping part has been bent then form the butt seam 21 shown.
  • a dovetail-shaped undercut recess 22 is provided on one edge of the butt seam 21, whereas the other edge of 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 on the double flat spring contact 1 to additionally enable a good connection of the outer spring 10 with the double flat spring contact 1.

Landscapes

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

Abstract

1. Double flat-spring contact with an external spring over it, … …  a) the double flat-spring contact having an essentially U-shaped spring arm base with a broad-side wall and an end-side wall, to which spring arm base claw arms are linked on the one side as stops for an electrical conductor wire and, on the other side, fork spring arms are linked which converge in the shape of an arc at the front edges of the broad-side walls and, in the culmination region of the arcs, form a contact region for a contact tongue of a mating contact, stop devices being provided in the contact region which project outwards and hold the converging fork spring arms at a specific distance, …  b) the external spring over it having a box-shaped spring arm base which is seated in a fixed position, essentially in a positively locking manner, on the spring arm base of the double flat-spring contact, to the broad-side walls of which spring arm base converging fork arms of the spring over it are linked, which press from the outside against the fork spring arms of the double flat-spring contact, and …  c) cladding in the form of sliding runners (11), which covers at least the stop devices (2) of the fork spring arms (3) of the double flat-spring contact (1), being arranged on the outer spring over it (10). … …<IMAGE>…

Description

Die Erfindung betrifft einen Doppelflachfederkontakt mit Anschlageinrichtung, wie er im Oberbegriff des Anspruchs 1 beschrieben ist.The invention relates to a double flat spring contact with stop device, as described in the preamble of claim 1.

Bei diesem auf dem Markt befindlichen Doppelflachfederkontakt besteht die Anschlageinrichtung aus einer an der Außenkante jedes Gabelfederarms des einen Gabelfederarmpaares angebundenen und im Abstand von der Außenkante rechtwinklig zum anderen Gabelfederarmpaar abgebogenen Lasche sowie aus einem der jeweiligen Lasche gegenüberliegend an der Außenkante jedes Gabelfederarms des anderen Gabelfederarmpaares angebundenen Steg, gegen den die freie Endkante des abgewinkelten Bereichs der Lasche stößt. Dabei fluchtet die Außenseite der Abstandhalte- bzw. Anschlageinrichtung jeweils mit der Stirnwandung der Federarmbasis des Doppelflachfederkontakts.In this double flat spring contact on the market, the stop device consists of a tab connected to the outer edge of each fork spring arm of one fork spring arm pair and bent at a distance from the outer edge at right angles to the other fork spring arm pair, as well as one leg opposite the respective tab on the outer edge of each fork spring arm of the other fork spring arm pair against which the free end edge of the angled area 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.

Der Doppelflachfederkontakt wird in eine quaderförmige Kammer eines Steckergehäuses geschoben. Dabei kann die Abstandhalteeinrichtung das Einführen behindern, indem die nach außen überstehenden Elemente der Abstandhalteeinrichtung gegen die Kammerwandungsstirnkanten im Bereich der Stecköffnung der Kammer stoßen. Selbst aber wenn der Kontaktbereich des Doppelflachfederkontakts eingefädelt ist, können durch Verkantungen des Doppelflachfederkontakts die relativ scharfkantigen Elemente der Abstandhalteeinrichtungen gegen die Kammerwandungen stoßen und schabend eine erhöhte Reibung verursachen, so daß zum Einführen des Doppelflachfederkontakts in eine Gehäusekammer eines Steckergehäuses eine relativ hohe Steckkraft erforderlich sein kann.The double flat spring contact is pushed into a cuboid chamber of a connector housing. The spacer device can hinder insertion by the outwardly projecting elements of the spacer device 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, the relatively sharp-edged elements of the spacing devices can bump against the chamber walls and cause excessive friction by tilting the double flat spring contact, causing excessive friction, so that it 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.

Aufgabe der Erfindung ist, einen Doppelflachfederkontakt mit Abstandhalteeinrichtung zu schaffen, bei dem die Elemente der Abstandhalteeinrichtung das Einführen des Doppelflachfederkontakts in eine Gehäusekammer eines Steckergehäuses nicht behindern und der eine relativ geringe Steckkraft gewährleistet.The object of the invention is to provide a double flat spring contact with a spacer device, in which the elements of the spacer 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.

Diese Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst.This object is solved by the features of claim 1.

Vorteilhafte Weiterbildungen der Erfindung werden in den Unteransprüchen gekennzeichnet. Anhand der Zeichnung wird die Erfindung im folgenden beispielhaft näher erläutert. Es zeigen:

Fig. 1
einen Längsschnitt durch einen Doppelflachfederkontakt durch die Stirnwandungen und den Krallenboden sowie durch einen Teil einer Steckergehäusekammer;
Fig. 2
eine Draufsicht auf einen in eine angedeutete Steckergehäusekammer (Teilschnitt) eingeschobenen Doppelflachfederkontakt, wobei eine Stirnseitenwandung der Außenüberfeder herausgeschnitten ist;
Fig. 3
eine Draufsicht auf die Nahtstelle einer Gleitkufe der Außenüberfeder.
Advantageous developments of the invention are characterized in the subclaims. The invention is explained in more detail below by way of example with reference to the drawing. Show it:
Fig. 1
a longitudinal section through a double flat spring contact through the end walls and the claw bottom and through part of a connector housing chamber;
Fig. 2
a plan view of a double flat spring contact inserted into an indicated connector housing chamber (partial section), an end wall of the outer spring being cut out;
Fig. 3
a plan view of the interface of a skid of the outer spring.

Der in den Figuren 1 und 2 dargestellte Doppelflachfederkontakt 1 mit Außenüberfeder 10 ist elektrisch und aus einem Blechstanzteil geformt. Der Doppelflachfederkontakt 1 besteht aus einer im wesentlichen U-förmigen Federarmbasis 4 mit zwei Breitseitenwandungen 6 und einer Stirnseitenwandung 7. An die Federarmbasis 4 ist auf der einen Seite ein Krallenteil mit Krallenarmen 8 zum Anschlagen eines nicht dargestellten elektrischen Leiterdrahts angeordnet. Auf der anderen Seite der Federarmbasis 4 sind an die Vorderkanten der Breitseitenwandungen 6 bogenförmig konvergierende Gabelfederarme 3 angebunden, die im Kulminationsbereich der Bögen einen Kontaktbereich für eine nicht dargestellte Kontaktzunge eines Gegenkontakts bilden. Im Kontaktbereich sind überstehende, die konvergierenden Gabelfederarme 3 auf einen bestimmten Abstand haltende Anschlageinrichtungen 2 vorgesehen. Die Anschlageinrichtungen 2 bestehen dabei aus steg- bzw. laschenförmigen Teilen.The double flat spring contact 1 shown in FIGS. 1 and 2 with external spring 10 is electrical and is formed from a sheet metal stamped part. The double flat spring contact 1 consists of a substantially U-shaped spring arm base 4 with two broad side walls 6 and an end wall 7. On the spring arm base 4 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 the front edges of the broad side walls 6 are connected to 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. In the contact area, 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.

Die Außenüberfeder 10 besteht im wesentlichen aus einer kastenförmigen Federarmbasis 13 und mehreren, sich an deren Breitseitenwandungen 15 anschließenden Überfedergabelarmen 16. Die Federarmbasis 13 der Außenüberfeder 10 weist zwei Breitseitenwandungen 15 und zwei Stirnseitenwandungen 14 auf, wobei die Federarmbasis 13 die Federarmbasis 4 des Doppelfederkontakts 1 allseitig umschließt. Eine angestrebte dichte Anlage der Federarmbasis 13 der Außenüberfeder 10 an der Federarmbasis 4 des Doppelflachfederkontakts 1 wird durch Halteeinrichtungen in Form von Laschen 17 bewerkstelligt. In den Stirnseitenwandungen 14 der Außenüberfeder 10 sind in den Seitenbereichen jeweils zwei Laschen 17 ausgebildet, die um etwa 180° nach innen umgebogen sind, so daß die Federarmbasis 13 fest mit der Federarmbasis 4 verbunden ist.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 wall 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. In the end walls 14 of the outer spring 10, two tabs 17 are formed in each of the side regions, which are bent inward by approximately 180 °, so that the spring arm base 13 is firmly connected to the spring arm base 4.

Um erfindungsgemäß das Einführen des Doppelflachfederkontakts 1 in eine Kammer eines Steckergehäuses 30 nicht durch die Elemente der als Abstandshalterung dienenden Anschlageinrichtungen 2 zu behindern und eine relativ geringe Steckkraft zu gewährleisten, sind an den Stirnseitenwandungen 14 der Federarmbasis 13 der Außenüberfeder 10 Gleitkufen 11 vorgesehen, die die Anschlageinrichtungen 2 von außen überdecken.In order not to impede the insertion of the double flat spring contact 1 into a chamber of a connector housing 30 by the elements of the stop devices 2 serving as a spacer and to ensure a relatively low insertion force, slide skids 11 are provided on the end walls 14 of the spring arm base 13 of the external spring 10, which the Cover anchor devices 2 from the outside.

In den Breitseitenwandungen 15 der Federarmbasis 13 ist jeweils eine Rastfederzunge 18 ausgestanzt, die als Klemmvorrichtungen für den Doppelflachfederkontakt 1 in einer Kammer des Steckergehäuses 30 dienen, indem sie leicht nach außen gebogen sind, wie dies in Fig. 2 gezeigt ist. An die Stirnseitenwandungen 14 der Federarmbasis 13 schließen sich in Richtung des Steckergehäuses 30 die Gleitkufen 11 an, wobei pro Stirnseitenwandung 14 je eine Gleitkufe 11 vorgesehen ist. An die Breitseitenwandungen 15 dagegen sind die Überfedergabelarme 16 angeschlossen und zwar pro Breitseitenwandung 15 jeweils zwei Überfedergabelarme 16. Die Federarmbasis 13 sowie die Gleitkufen 11 und die Überfedergabelarme 16 sind einstückig ausgebildet.In the broad side walls 15 of the spring arm base 13, 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. On the other hand, 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.

Gemäß der Erfindung ist es Aufgabe der Gleitkufen 11, die Anschlageinrichtungen 2 des Doppelflachfederkontakts 1 zu überdecken, um ein Hakeln in der Kammer des Steckergehäuses 30 zu verhindern. Dies geschieht dadurch, indem sich die Gleitkufen 11 geradlinig und eben zur Federarmbasis 13 nach oben erstrecken und dabei dicht an den Anschlageinrichtungen 2 anliegen. Um ein besseres Einführen des Doppelflachfederkontakts 1 zu bewirken, sind die Endbereiche der Überfedergabelarme 11 nach innen abgeknickt. Die abgeknickten Bereiche stellen sich als Schrägen 12 dar und bilden somit eine konische Verjüngung des freien Endes der Außenüberfeder 10. Mit dieser konischen Verjüngung ist ein einfaches Einführen des Doppelflachfederkontaktes 1 in die entsprechende Kammer des Steckerkammergehäuses 30 gewährleistet.According to the invention, 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 plug housing 30. This is done in that the skids 11 extend in a straight line and evenly to the spring arm base 13 and lie close to 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 bent 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 connector chamber housing 30 is ensured.

Die Überfedergabelarme 16 sind ebenfalls geradlinig ausgebildet, verlaufen aber schräg nach innen, um an den freien Enden der Gabelfederarme 3 anzuliegen. Der schräge Verlauf der Überfedergabelarme 16 wird dadurch hergestellt, daß die Überfedergabelarme 16 in ihrem Anschlußbereich an die Federarmbasis 13 abgeknickt sind. Die sich somit bildende Knickstelle 19 ist aus Fig. 2 ersichtlich.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.

In Bezug auf die Gleitkufen 11 sind die Überfedergabelarme 16 kürzer ausgebildet. Der Abschluß bzw. das Ende 20 der Überfedergabelarme 16 befindet sich dabei etwa auf der Höhe des Übergangs der Gleitkufen 11 vom geradlinigen Verlauf zur Schräge 12. Die Überfedergabelarme 16, die von außen gegen die Gabelfederarme 3 des Doppelflachfederkontakts 1 anliegen, sorgen einerseits dafür, daß sich die freien Enden der Gabelfederarme 3 nicht in der Kammer des Steckergehäuses 30 verhaken können. Andererseits wird die zur Aufnahme eines nicht dargestellten Gegenkontaktstiftes nötige Spannung zwischen den Gabelfederarmen 3 durch das dichte Anliegen der Überfedergabelarme 16 verstärkt.With regard to the skids 11, 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. On the other hand, 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 zeigt in Draufsicht eine Gleitkufe 11, wobei auf eine Darstellung der sich am unteren Ende der Gleitkufe 11 anschließenden Federarmbasis 13 der Außenüberfeder 10 verzichtet worden ist. Die dargestellte Gleitkufe 11 weist mittig eine in Längsrichtung der Gleitkufe 11 durchgehende Stoßnaht 21 auf, die in entsprechender Weise auch durch die nicht dargestellte Stirnseitenwandung 14 der Federarmbasis 13 verläuft. Die Stoßnaht 21 ergibt sich aus herstellungstechnischen Gründen, da die Außenüberfeder 10 zusammen mit den Gleitkufen 11 und den Überfedergabelarmen 16 einstückig aus einem Blechteil ausgestanzt ist. Die Außenüberfeder 10 erhält ihre in den Fig. 1 und 2 dargestellte Form durch entsprechendes Biegen des ausgestanzten Blechteils in eine kastenartige Form. Die sich nach dem Biegen des Blechstanzteiles gegenüberliegenden freien Kanten bilden dann die dargestellte Stoßnaht 21. Um die Außenüberfeder 10 an der Stoßnaht 21 zu verbinden, ist an der einen Kante der Stoßnaht 21 eine schwalbenschwanzförmige hnterschnittene Ausnehmung 22 vorgesehen, wohingegen an der anderen Kante der Stoßnaht 21 eine entsprechend geformte Lasche 23 ausgebildet ist. Zum Verbinden bzw. Schließen der Stoßnaht 21 wird die Lasche 23 in die Ausnehmung 22 eingedrückt, so daß sich eine feste Verbindung bzw. ein formschlüssiger Sitz der Lasche 23 in der Ausnehmung 22 ergibt.3 shows a top 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 is 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. The free edges opposite each other after the sheet metal stamping part has been bent then form the butt seam 21 shown. In order to connect the outer spring 10 to the butt seam 21, a dovetail-shaped undercut recess 22 is provided on one edge of the butt seam 21, whereas the other edge of the butt seam 21 a correspondingly shaped tab 23 is formed. To connect or close the butt seam 21, 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.

Am unteren Ende der Gleitkufe 11 sind, wie in Fig. 3 gezeigt, Einschnitte 24 ausgebildet, die nach der Montage der Außenüberfeder 10 auf den Doppelflachfederkontakt 1 nach innen umgebogen werden, um zusätzlich eine gute Verbindung der Außenüberfeder 10 mit dem Doppelflachfederkontakt 1 zu ermöglichen.At the lower end of the skid 11, as shown in Fig. 3, notches 24 are formed, which are bent inwards after the assembly of the outer spring 10 on the double flat spring contact 1 to additionally enable a good connection of the outer spring 10 with the double flat spring contact 1.

BezugszeichenlisteReference symbol list

11
DoppelflachfederkontaktDouble flat spring contact
22nd
AnschlageinrichtungAnchor device
33rd
GabelfederarmeFork spring arms
44th
FederarmbasisSpring arm base
55
KrallenteilClaw part
66
BreitseitenwandungBroad side wall
77
StirnseitenwandungEnd wall
88th
KrallenarmLow claw
1010th
AußenüberfederOuter spring
1111
GleitkufeSkid
1212
SchrägeWeird
1313
FederarmbasisSpring arm base
1414
StirnseitenwandungEnd wall
1515
BreitseitenwandungBroad side wall
1616
ÜberfedergabelarmOver fork arm
1717th
LascheTab
1818th
RastfederzungeSpring tongue
1919th
KnickstelleKink
2020th
Ende (von 16)End (of 16)
2121
StoßnahtButt seam
2222
AusnehmungRecess
2323
LascheTab
2424th
Einschnittincision
3030th
SteckergehäuseConnector housing

Claims (14)

Doppelflachfederkontakt mit Außenüberfeder, wobei a) der Doppelflachfederkontakt eine im wesentlichen U-förmige Federarmbasis mit Breitseiten- und einer Stirnseitenwandung aufweist, an die Federarmbasis auf der einen Seite Krallenarme zum Anschlagen eines elektrischen Leiterdrahts und auf der anderen Seite an die Vorderkanten der Breitseitenwandungen bogenförmig konvergierende Gabelfederarme angebunden sind, die im Kulminationsbereich der Bögen einen Kontaktbereich für eine Kontaktzunge eines Gegenkontakts bilden, wobei im Kontaktbereich nach außen überstehende, die konvergierenden Gabelfederarme auf einen bestimmten Abstand haltende Anschlageinrichtungen vorgesehen sind, b) die Außenüberfeder eine im wesentlichen formschlüssig auf der Federarmbasis des Doppelflachfederkontakts ortsfest sitzende, kastenförmige Federarmbasis aufweist, an deren Breitseitenwandungen konvergierende Überfedergabelarme angebunden sind, die von außen gegen die Gabelfederarme des Doppelflachfederkontakts drücken,

dadurch gekennzeichnet, daß c) eine zumindest die Anschlageinrichtungen (2) der Gabelfederarme (3) des Doppelflachfederkontakts (1) abdeckende Verkleidung in Form von Gleitkufen (11) an der Außenüberfeder (10) angeordnet ist. Double flat spring contact with external spring, whereby a) the double flat spring contact has a substantially U-shaped spring arm base with broad sides and an end wall, on the spring arm base on one side claw arms for attaching an electrical conductor wire and on the other side to the front edges of the broad side walls arc-converging fork spring arms are connected The culmination area of the arcs form a contact area for a contact tongue of a mating contact, wherein in the contact area protruding stop devices are provided which keep the converging fork spring arms at a certain distance, b) the outer spring has a box-shaped spring arm base which is essentially seated in a form-fitting manner on the spring arm base of the double flat spring contact and on whose broad side walls are connected converging spring fork arms which press from the outside against the fork spring arms of the double flat spring contact,

characterized in that c) a covering covering at least the stop devices (2) of the fork spring arms (3) of the double flat spring contact (1) in the form of skids (11) is arranged on the outer spring (10). Doppelflachfederkontakt nach Anspruch 1,
dadurch gekennzeichnet,
daß die Gleitkufen (11) an den Stirnseitenwandungen (14) der Federarmbasis (13) der Außenüberfeder (10) angeordnet sind.Double flat spring contact according to claim 1,
characterized by
that the skids (11) are arranged on the end walls (14) of the spring arm base (13) of the outer spring (10). Doppelflachfederkontakt nach Anspruch 1 und/oder 2,
dadurch gekennzeichnet,
daß die Außenüberfeder (10) mehrere Gleitkufen (11) aufweist, von denen wenigstens je eine die jeweiligen, sich gegenüberliegenden Anschlageinrichtungen (2) überdeckt.Double flat spring contact according to claim 1 and / or 2,
characterized by
that the outer spring (10) has a plurality of skids (11), at least one of which covers the respective opposite stop devices (2). Doppelflachfederkontakt nach einem oder mehreren der Ansprüche 1 bis 3,
dadurch gekennzeichnet,
daß die freien Endbereiche der Gleitkufen (11) nach innen, in Richtung auf die Gabelfederarme (3) abgebogen sind und somit eine Schräge (12) bilden, um so das Einführen des Doppelflachfederkontakts (1) in ein Steckerkammergehäuse (30) durch die sich im Endbereich der Außenüberfeder (10) einstellende konische Verjüngung zu erleichtern.Double flat spring contact according to one or more of claims 1 to 3,
characterized by
that the free end portions of the skids (11) are bent inwards towards the fork spring arms (3) and thus form a slope (12), so as to insert the double flat spring contact (1) into a connector chamber housing (30) through which in To facilitate the end region of the outer spring (10) adjusting conical taper. Doppelflachfederkontakt nach einem oder mehreren der Ansprüche 1 bis 4,
dadurch gekennzeichnet,
daß die Gleitkufen (11) mit den entsprechenden Stirnseitenwandungen (14) der Federarmbasis (13) der Außenüberfeder (10) in einer Ebene angeordnet und bis zur Schräge (12) geradlinig ausgebildet sind.Double flat spring contact according to one or more of claims 1 to 4,
characterized by
that the skids (11) with the corresponding end walls (14) of the spring arm base (13) of the outer spring (10) are arranged in one plane and are rectilinear up to the slope (12). Doppelflachfederkontakt nach Anspruch 1,
dadurch gekennzeichnet,
daß die Überfedergabelarme (16) der Außenüberfeder (10) eben ausgebildet sind.Double flat spring contact according to claim 1,
characterized by
that the spring fork arms (16) of the outer spring (10) are flat. Doppelflachfederkontakt nach Anspruch 1 und/oder 6,
dadurch gekennzeichnet,
daß die Überfedergabelarme (16) der Außenüberfeder (10) über eine Knickstelle (19) in die Breitseitenwandungen (15) übergehen, somit einen schrägen, nach innen zum Doppelflachfederkontakt (1) gerichteten Verlauf aufweisen und dadurch eine konische Verjüngung der Außenüberfeder (20) bilden.Double flat spring contact according to claim 1 and / or 6,
characterized by
that the spring fork arms (16) of the outer spring (10) pass over a kink (19) in the broad side walls (15), thus have an oblique, inwardly directed to the double flat spring contact (1) and thereby form a conical taper of the outer spring (20) . Doppelflachfederkontakt nach einem oder mehreren der Ansprüche 1, 6 und 7,
dadurch gekennzeichnet,
daß die Überfedergabelarme (16) der Außenüberfeder (10) kürzer ausgebildet sind als die Gleitkufen (11), wobei der Abschluß bzw. das Ende (20) der Überfedergabelarme (16) etwa auf der Höhe des Übergangs der Gleitkufen (11) vom geradlinigen Verlauf zur Schräge (12) liegt.Double flat spring contact according to one or more of claims 1, 6 and 7,
characterized by
that the spring fork arms (16) of the outer spring (10) are shorter than the skids (11), the end or end (20) of the spring fork arms (16) approximately at the level of the transition of the skids (11) from the straight line to the slope (12). Doppelflachfederkontakt nach einem oder mehreren der Ansprüche 1 bis 8,
dadurch gekennzeichnet,
daß die Außenüberfeder (10) Haltemittel aufweist, um die Außenüberfeder (10) mit dem Doppelflachfederkontakt (1) zu verbinden.Double flat spring contact according to one or more of claims 1 to 8,
characterized by
that the outer spring (10) has holding means to connect the outer spring (10) to the double flat spring contact (1). Doppelflachfederkontakt nach Anspruch 9,
dadurch gekennzeichnet,
daß die Haltemittel aus mehreren, insbesondere vier Laschen (17) bestehen, die im Bereich der Stirnseitenwandungen (14) aus der Federarmbasis (13) der Außenüberfeder (10) ausgestanzt und nach innen um 180° umgebogen sind, um sich klemmend an die Federarmbasis (4) des Doppelflachfederkontakts (1) zu legen.Double flat spring contact according to claim 9,
characterized by
that the holding means consist of several, in particular four, tabs (17) which are punched out in the region of the end walls (14) from the spring arm base (13) of the outer spring (10) and bent inwards by 180 ° in order to clamp onto the spring arm base ( 4) of the double flat spring contact (1). Doppelflachfederkontakt nach einem oder mehreren der Ansprüche 1 bis 10,
dadurch gekennzeichnet,
daß die Außenüberfeder (10) für einen festen Sitz des Doppelflachfederkontakts (1) in dem Steckerkammergehäuse (30) eine Klemmeinrichtung aufweist.Double flat spring contact according to one or more of claims 1 to 10,
characterized by
that the outer spring (10) for a tight fit of Double flat spring contact (1) in the plug chamber housing (30) has a clamping device. Doppelflachfederkontakt nach Anspruch 11,
dadurch gekennzeichnet,
daß die Klemmeinrichtung aus wenigstens je einer im Bereich der Federarmbasis (13) der Außenüberfeder (10) ausgestanzten Rastfederzunge (18) besteht, die nach außen weggebogen ist, um so eine federnde Klemmung zu bilden.Double flat spring contact according to claim 11,
characterized by
that the clamping device consists of at least one detent spring tongue (18) punched out in the region of the spring arm base (13) of the outer spring (10) and bent outwards so as to form a resilient clamping. Doppelflachfederkontakt nach einem oder mehreren der Ansprüche 1 bis 12,
dadurch gekennzeichnet,
daß die Außenüberfeder (10) eine in deren Längsrichtung durchgehende Stoßnaht (21) aufweist, die in einer der Stirnseitenwandungen (14) der Federarmbasis (13) und der entsprechenden Gleitkufe (11) mittig angeordnet ist.Double flat spring contact according to one or more of claims 1 to 12,
characterized by
that the outer spring (10) has a continuous butt seam (21) in its longitudinal direction, which is arranged centrally in one of the end walls (14) of the spring arm base (13) and the corresponding skid (11). Doppelflachfederkontakt nach Anspruch 13,
dadurch gekennzeichnet,
daß zum Verbinden bzw. Schließen der Stoßnaht (21) im Bereich der Gleitkufe (11) an der einen Kante der Stoßnaht (21) eine z.B. schwalbenschwanzförmige hinterschnittene Ausnehmung (22) und an der anderen Kante der Stoßnaht eine entsprechend geformte, in der Ausnehmung (22) formschlüssig sitzende Lasche (23) angeordnet sind.Double flat spring contact according to claim 13,
characterized by
that for connecting or closing the butt seam (21) in the area of the skid (11) on one edge of the butt seam (21), for example, a dovetail-shaped undercut recess (22) and on the other edge of the butt seam a correspondingly shaped recess ( 22) positively fitting tab (23) are arranged.
EP91118594A 1990-12-20 1991-10-31 Double flat spring contact with a stop Expired - Lifetime EP0492086B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9017229U 1990-12-20
DE9017229U DE9017229U1 (en) 1990-12-20 1990-12-20 Double flat spring contact with stop device

Publications (2)

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

Family

ID=6860511

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91118594A Expired - Lifetime EP0492086B1 (en) 1990-12-20 1991-10-31 Double flat spring contact with a stop

Country Status (5)

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

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FR2698730A1 (en) * 1992-11-30 1994-06-03 Cinch Connecteurs Sa Electrical connector unit incorporating female electrical contact element - has spring conductor strips mounted in housing with separately mounted restraining section
EP0600419B1 (en) * 1992-12-01 1997-07-09 The Whitaker Corporation Electrical socket terminal
EP0837529A1 (en) * 1996-10-21 1998-04-22 Sumitomo Wiring Systems, Ltd. Cover of terminal fitting
FR2891670A1 (en) * 2005-10-04 2007-04-06 Bosch Gmbh Robert CONTACT SOCKETS EQUIPPED WITH FLAPS OF LENGTH IN MORE OF CONTACT SLABS.
DE102013212717A1 (en) * 2013-06-28 2014-12-31 Metalluk Bauscher Gmbh & Co Kg Connectors

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JP3115805B2 (en) * 1995-09-14 2000-12-11 矢崎総業株式会社 Terminal fittings and method of manufacturing terminal fittings
DE19535148A1 (en) * 1995-09-21 1997-03-27 Whitaker Corp Part of an electrical contact and electrical contact
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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
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Publication number Priority date Publication date Assignee Title
FR2698730A1 (en) * 1992-11-30 1994-06-03 Cinch Connecteurs Sa Electrical connector unit incorporating female electrical contact element - has spring conductor strips mounted in housing with separately mounted restraining section
EP0600419B1 (en) * 1992-12-01 1997-07-09 The Whitaker Corporation Electrical socket terminal
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DE102013212717A1 (en) * 2013-06-28 2014-12-31 Metalluk Bauscher Gmbh & Co Kg Connectors

Also Published As

Publication number Publication date
DE9017229U1 (en) 1992-04-23
EP0492086B1 (en) 1994-12-28
JPH04315778A (en) 1992-11-06
PT99712B (en) 1999-02-26
US5295873A (en) 1994-03-22
PT99712A (en) 1994-01-31
DE4135907A1 (en) 1992-06-25
DE59104071D1 (en) 1995-02-09

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