EP1103088B1 - Bushing contact - Google Patents

Bushing contact Download PDF

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Publication number
EP1103088B1
EP1103088B1 EP99945871A EP99945871A EP1103088B1 EP 1103088 B1 EP1103088 B1 EP 1103088B1 EP 99945871 A EP99945871 A EP 99945871A EP 99945871 A EP99945871 A EP 99945871A EP 1103088 B1 EP1103088 B1 EP 1103088B1
Authority
EP
European Patent Office
Prior art keywords
spring
wall part
receptacle contact
wall
contact according
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
EP99945871A
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German (de)
French (fr)
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EP1103088A1 (en
Inventor
Richard Flieger
Freddy D'hulster
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TE Connectivity Solutions GmbH
Original Assignee
Tyco Electronics Logistics AG
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Publication of EP1103088A1 publication Critical patent/EP1103088A1/en
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Publication of EP1103088B1 publication Critical patent/EP1103088B1/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • 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 socket contact consisting of a spring and a base spring, the spring being the Basic spring with a first, second, third and a split fourth wall encloses box-shaped and form-fitting Connection of the wall parts of the divided fourth Wall on the one wall part at least two connecting tabs are formed, which in the direction of insertion Socket contact in the front and rear area of the wall part are arranged.
  • Such a spring is known from DE 195 36 500 C2.
  • the spring is made as a stamped and bent part, whereby the two ceiling wall parts due to manufacturing are separated by a longitudinal slot.
  • Connection tab formed by a crank of the ceiling wall part is bent upwards and in Direction to the opposite part of the ceiling wall extends the longitudinal slot and the other part of the ceiling wall overlaps.
  • the connection of the connecting tab with the other ceiling wall part is done either by plastic forming, i.e. through a plastic cold deformation and pressing the connection area into one another an embossing stamp or by welding or by a pure positive-locking connection.
  • DE-GM 92 01 047 has a double flat spring contact known with a spring that integrated into the contact and is thus formed in one piece.
  • the base part this contact is divided, the ones thus formed Side walls are held together by two connecting bars are connected.
  • the connecting webs have a recess or a dovetail-shaped projection with the recess is wedged.
  • the invention is therefore based on the object Socket contact of the type mentioned with a spring to show a stable box shape as stable as possible, which can be produced without additional processing effort is.
  • the object is achieved in that on the other wall part a recess for each connecting tab is formed and the connecting tabs through the recesses inserted and bent and the two Overlap wall parts over the full length of the spring.
  • connection is easy on a stamping and bending machine manufacture.
  • the connecting tabs are only 90 ° for this bent so that they protrude outwards. Then will the other wall part with the recesses over the protruding ones Connection tabs bent so that the connection tabs lead through the recesses.
  • By bending the top A dimensionally stable area is created in the area of the connecting tabs Connection of the wall halves of the divided fourth wall.
  • the wall halves are thus both in the longitudinal direction also firmly connected to each other in the transverse direction of the spring. Even with a strong mechanical load, e.g. the torsion is twisted or treaded therefore there is no risk that the connection of the wall halves solves.
  • the recesses are preferably in the upper part of the wall designed as elongated holes. At least one recess can but also as a U-shaped recess on the connection side or formed on the contact-side edge of the upper wall part his.
  • the design of the recesses as elongated holes has the advantage that the connecting tabs deformed after bending can be that they are on walls of the recesses support.
  • the connecting tabs are advantageously deformed by pressing or inserting one or more notches at the top of the connection tabs.
  • the invention is based on one in the drawing illustrated embodiment explained in more detail.
  • Figures 1 and 2 show a socket contact 1, which consists of a base spring 2 and a spring 3.
  • the whole Socket contact 1 is in a contact chamber 4 one Contact carrier 5 (see Fig. 4), e.g. in a single or multi-row Socket housing having contact chambers electrical connector inserted.
  • the basic spring 2 is with e.g. formed as a crimp connection part 6 for an electrical conductor and with a contact part 7, which has a cross section e.g. U-shaped or has a rectangular spring leg base 8, of which the spring legs 9 and 10 (see Fig. 5) for the Contacting a plug contact, e.g. a contact knife, out.
  • the spring legs 9 and 10 of the base spring 2 e.g.
  • socket contact 1 has each spring leg 9, 10 four contact blades.
  • the spring 3 is also rectangular in cross section, so that they the entire contact part 7 of the base spring 2 encloses with four walls 11-14 box-shaped.
  • the first Wall 11 forms the ceiling wall
  • the second and third Wall 12, 13 form the side walls
  • the fourth wall 14 represents the bottom wall.
  • a locking hook 15 as a primary fuse for one to be inserted into a contact chamber 4 of the contact carrier 5 Socket contact 1 bent outwards.
  • the locking hook 15 has on the outer end face in the middle one to the outside protruding curvature 16 and is on both sides of the curvature 16 provided with an impression 17.
  • the outward-facing curvature 16 in the locking hook 15 also carries for better fixation of the socket contact 1 in the contact chamber 4 at.
  • the base spring 2 and the spring 3 are made of stamped and bent parts made of sheet metal and are therefore production-related divided in two in one wall.
  • the fourth wall 14 is divided into two and consists of the two wall parts 14a and 14b. To one The wall parts are to achieve a stable closed box shape 14a, 14b in the manner described below connected.
  • the wall parts 14a and 14b overlap the full Length of the overspring 3.
  • the overlap creates a lower one Wall part 14a and an upper wall part 14b formed.
  • On the lower wall part 14a has two connecting tabs 23 trained, which is bent upwards by 90 ° and by appropriate Recesses 24 inserted in the upper wall part 14b are.
  • the connecting tabs 23 For the positive connection of the wall parts 14a and 14b are the connecting tabs 23 after pushing through again bent through 90 ° through the recesses 24, so that the upper wall part 14a between the bent upper area of the connecting tabs 23 and the lower wall part 14a is clamped.
  • the two connecting tabs 23, via which the wall parts 14a and 14b are connected to each other, are in the direction of insertion of the socket contact 1 essentially in the front and rear area of the lower wall part 14a arranged.
  • the connecting tab located closer to the connecting part 6 of the base spring 2 23 is much wider and on provided with two or more notches 25 on its upper side.
  • the upper wall part 14b is in front the area of overlap with the lower wall part 14a bent by a crank 26.
  • a further tab 27 is arranged on the wall part 14a, which is also bent 90 ° upwards and its something wider upper area down again by 180 ° is folded.
  • the top folded portion of the flap 27 forms a polarizing element 28 for the socket contact 1, so that the socket contact 1 is incorrectly inserted into the contact chamber a contact carrier is prevented.
  • the cloth 27 is laterally offset from the longitudinal axis of the spring 3.
  • the upper folded area is in the direction of the longitudinal axis the spring 3 widened, but also laterally offset to the longitudinal axis of the spring 3. He can, however, also be arranged centrally to the longitudinal axis of the spring 3 to be in contact with the contact chamber 4, as shown in FIG is shown to match.
  • Like the sectional view 4 shows the contact chamber 4 of the contact carrier 5 for the polarization element 28 with a corresponding polarization groove 29 trained.
  • Figure 3 shows a further embodiment of the spring 3.
  • the connection of the wall parts 14a and 14b takes place on the connection side and on the contact side via two connecting tabs of the same width 23, which on their top with only an impression 25 are provided.
  • the connection-side recess 24 in the upper wall part 14a is U-shaped.
  • the locking hook 15 is on the connection-side edge of the first wall 11 and is formed by two incisions 32, 33, which of the end facing the connector 6 first wall 11 begin to be generated.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connecting Device With Holders (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Description

Die Erfindung betrifft einen Buchsenkontakt, bestehend aus einer Überfeder und einer Grundfeder, wobei die Überfeder die Grundfeder mit einer ersten, zweiten, dritten und einer geteilten vierten Wandung kastenförmig umschließt und zur formschlüssigen Verbindung der Wandungsteile der geteilten vierten Wandung an dem einen Wandungsteil mindestens zwei Verbindungslappen ausgebildet sind, welche in Einsteckrichtung des Buchsenkontaktes im vorderen und hinteren Bereich des Wandungsteiles angeordnet sind.The invention relates to a socket contact consisting of a spring and a base spring, the spring being the Basic spring with a first, second, third and a split fourth wall encloses box-shaped and form-fitting Connection of the wall parts of the divided fourth Wall on the one wall part at least two connecting tabs are formed, which in the direction of insertion Socket contact in the front and rear area of the wall part are arranged.

Eine derartige Überfeder ist aus der DE 195 36 500 C2 bekannt. Die Überfeder ist als Stanz-Biegeteil hergestellt, wodurch die beiden Deckenwandungsteile herstellungsbedingt durch einen Längsschlitz getrennt sind. An einem Deckenwandungsteil ist im unteren Teilbereich des Längsschlitzes ein Verbindungslappen ausgebildet, der durch eine Kröpfung von dem Deckenwandungsteil nach oben abgebogen ist und sich in Richtung auf das gegenüberliegende Deckenwandungsteil über den Längsschlitz hinaus erstreckt und das andere Deckenwandungsteil überlappt. Die Verbindung des Verbindungslappens mit dem anderen Deckenwandungsteil erfolgt entweder durch plastische Umformung, d.h. durch eine plastische Kaltverformung und eine Ineinanderpressen des Verbindungsbereiches mit einem Prägestempel oder durch Schweißen oder durch eine rein formschlüssige Verbindung. In der Druckschrift ist keine konkrete formschlüssige Verbindung der Deckenwandungsteile vorgeschlagen.Such a spring is known from DE 195 36 500 C2. The spring is made as a stamped and bent part, whereby the two ceiling wall parts due to manufacturing are separated by a longitudinal slot. On a ceiling wall part is in the lower part of the longitudinal slot Connection tab formed by a crank of the ceiling wall part is bent upwards and in Direction to the opposite part of the ceiling wall extends the longitudinal slot and the other part of the ceiling wall overlaps. The connection of the connecting tab with the other ceiling wall part is done either by plastic forming, i.e. through a plastic cold deformation and pressing the connection area into one another an embossing stamp or by welding or by a pure positive-locking connection. There is no concrete in the publication positive connection of the ceiling wall parts proposed.

Aus der DE 43 12 641 A1 ist eine elektrische Kontakthülse mit einer Überfeder bekannt, bei der die Überfeder in der Bodenwandung ebenso einen herstellungsbedingten Längsschlitz aufweist. Die Bodenwandungsteile weisen entlang des Längsschlitzes parallel verlaufende Stoßkanten auf, die im vorderen Bereich der Kontakthülse nicht fluchten sondern eine Verhakung bilden.DE 43 12 641 A1 describes an electrical contact sleeve an over-spring known, in which the over-spring in the bottom wall also has a production-related longitudinal slot. The bottom wall parts point along the longitudinal slot parallel abutting edges in the front area the contact sleeve is not aligned but a hook form.

Diese Art der formschlüssigen Verbindung hat jedoch den Nachteil, daß sich die Verhakung bei starker Verwindung oder mechanischer Belastung der Überfeder lösen kann.However, this type of positive connection has the disadvantage that the interlocking with strong twisting or mechanical Can release the load on the spring.

Ferner ist durch das DE-GM 92 01 047 ein Doppelflachfederkontakt mit einer Überfeder bekannt, die in den Kontakt integriert und damit einteilig ausgebildet ist. Das Basisteil dieses Kontaktes ist geteilt, wobei die dadurch gebildeten Seitenwände über zwei Verbindungsstege formstabil miteinander verbunden sind. Die Verbindungsstege weisen eine Ausnehmung bzw. einen schwalbenschwanzförmigen Vorsprung auf, der mit der Ausnehmung verkeilt ist.Furthermore, DE-GM 92 01 047 has a double flat spring contact known with a spring that integrated into the contact and is thus formed in one piece. The base part this contact is divided, the ones thus formed Side walls are held together by two connecting bars are connected. The connecting webs have a recess or a dovetail-shaped projection with the recess is wedged.

Diese Art der Verbindung hat ebenso den Nachteil, daß sie sich bei Verwindung bzw. starker mechanischer Belastung der Überfeder lösen kann.This type of connection also has the disadvantage that it in the event of torsion or strong mechanical stress The spring can loosen.

Der Erfindung liegt daher die Aufgabe zugrunde für einen Buchsenkontakt der eingangs genannten Art eine Überfeder mit einer möglichst stabilen geschlossenen Kastenform aufzuzeigen, welche ohne zusätzlichen Bearbeitungsaufwand herstellbar ist.The invention is therefore based on the object Socket contact of the type mentioned with a spring to show a stable box shape as stable as possible, which can be produced without additional processing effort is.

Die Aufgabe wird erfindungsgemäß dadurch gelöst, daß an dem anderen Wandungsteil für jeden Verbindungslappen eine Ausnehmung ausgebildet ist und die Verbindungslappen durch die Ausnehmungen durchgesteckt und umgebogen sind und sich die beiden Wandungsteile über die volle Länge der Überfeder überlappen.The object is achieved in that on the other wall part a recess for each connecting tab is formed and the connecting tabs through the recesses inserted and bent and the two Overlap wall parts over the full length of the spring.

Diese Verbindung ist auf einer Stanz-Biegemaschine leicht herzustellen. Die Verbindungslappen werden hierzu erst um 90° umgebogen, so daß sie nach außen abstehen. Anschließend wird das andere Wandungsteil mit den Ausnehmungen über die abstehenden Verbindungslappen gebogen, so daß die Verbindungslappen durch die Ausnehmungen führen. Mit dem Umbiegen des oberen Bereichs der Verbindungslappen entsteht eine formstabile Verbindung der Wandungshälften der geteilten vierten Wandung.This connection is easy on a stamping and bending machine manufacture. The connecting tabs are only 90 ° for this bent so that they protrude outwards. Then will the other wall part with the recesses over the protruding ones Connection tabs bent so that the connection tabs lead through the recesses. By bending the top A dimensionally stable area is created in the area of the connecting tabs Connection of the wall halves of the divided fourth wall.

Dadurch, daß sich die Wandungshälften über die volle Länge der Überfeder überlappen, wird eine geschlossene Kastenform erreicht und die Stabilität der Verbindung wesentlich erhöht. Durch die Überlappung wird das obere Wandungsteil zwischen dem umgebogenen Bereich der Verbindungslappen und dem unteren Wandungsteil eingeklemmt. Die Klemmwirkung fügt zu der formschlüssigen Verbindung noch eine kraftschlüssige Komponente hinzu.The fact that the wall halves over the full length overlap the spring, it becomes a closed box shape reached and the stability of the connection significantly increased. Due to the overlap, the upper wall part between the bent area of the connecting tabs and the lower one Wall part clamped. The clamping effect adds to the positive Connection still a non-positive component added.

Die Wandungshälften sind somit sowohl in Längsrichtung als auch in Querrichtung der Überfeder fest miteinander verbunden. Auch bei einer starken mechanischen Belastung, wie z.B. einer Verwindung oder Trittbelastung der Überfeder besteht daher nicht die Gefahr, daß sich die Verbindung der Wandungshälften löst.The wall halves are thus both in the longitudinal direction also firmly connected to each other in the transverse direction of the spring. Even with a strong mechanical load, e.g. the torsion is twisted or treaded therefore there is no risk that the connection of the wall halves solves.

Die Ausnehmungen sind vorzugsweise im oberen Wandungsteil als Langlöcher ausgebildet. Zumindest eine Ausnehmung kann jedoch auch als eine U-förmige Ausnehmung am anschlußseitigen oder am kontaktseitigen Rand des oberen Wandungsteiles ausgebildet sein.The recesses are preferably in the upper part of the wall designed as elongated holes. At least one recess can but also as a U-shaped recess on the connection side or formed on the contact-side edge of the upper wall part his.

Die Ausbildung der Ausnehmungen als Langlöcher hat den Vorteil, daß die Verbindungslappen nach dem Umbiegen derart verformt werden können, daß sie sich an Wänden der Ausnehmungen abstützen.The design of the recesses as elongated holes has the advantage that the connecting tabs deformed after bending can be that they are on walls of the recesses support.

Die Verformung der Verbindungslappen erfolgt günstigerweise durch Verpressen oder Einbringung einer oder mehrerer Kerben an der Oberseite der Verbindungslappen. The connecting tabs are advantageously deformed by pressing or inserting one or more notches at the top of the connection tabs.

Um die Grundfeder möglichst stabil zu umschließen ist es notwendig, die Kontaktfläche zwischen Überfeder und Grundfeder möglichst groß zu halten. Hierzu ist günstigerweise in dem oberen Wandungsteil vor dem Überlappungsbereich eine Kröpfung in der Materialdicke des unteren Wandungsteiles vorgesehen.In order to enclose the basic spring as stably as possible, it is necessary the contact area between the spring and base spring to keep as large as possible. This is conveniently in the an upper bend in front of the overlap area provided in the material thickness of the lower wall part.

Weitere vorteilhafte Ausgestaltungen ergeben sich aus den Unteransprüchen.Further advantageous embodiments result from the subclaims.

Die Erfindung wird im folgenden anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert.The invention is based on one in the drawing illustrated embodiment explained in more detail.

In den Zeichnungen zeigen

  • Fig.1 eine perspektivische Darstellung des Buchsenkontaktes mit Blick auf die geteilte vierte Wandung,
  • Fig.2 in entsprechender Darstellung den Buchsenkontakt mit Blick auf die erste Wandung,
  • Fig.3 eine perspektivische Darstellung einer weiteren Ausführungsvariante der Überfeder mit Blick auf die geteilte vierte Wandung,
  • Fig.4 eine Kontaktkammer eines einen Buchsenkontakt aufnehmenden Kontaktträgers im Querschnitt und
  • Fig.5 in einer Teilansicht im Schnitt die Kontaktzone des Buchsenkontaktes.
    • Show in the drawings
  • 1 is a perspective view of the socket contact with a view of the divided fourth wall,
  • 2 shows the socket contact in a corresponding representation with a view of the first wall,
  • 3 shows a perspective illustration of a further embodiment variant of the over-spring with a view of the divided fourth wall,
  • 4 shows a contact chamber of a contact carrier which receives a socket contact in cross section and
  • 5 shows a partial view in section of the contact zone of the socket contact.

    • Die Figuren 1 und 2 zeigen einen Buchsenkontakt 1, welcher aus einer Grundfeder 2 und einer Überfeder 3 besteht. Der gesamte Buchsenkontakt 1 wird in eine Kontaktkammer 4 eines Kontaktträgers 5 (siehe Fig. 4), z.B. in ein ein- oder mehrreihige Kontaktkammern aufweisendes Buchsengehäuse einer elektrischen Steckverbindung eingesteckt. Die Grundfeder 2 ist mit einem z.B. als Crimpanschluß ausgebildeten Anschlußteil 6 für einen elektrischen Leiter und mit einem Kontaktteil 7 ausgebildet, welches eine im Querschnitt z.B. U-förmige oder reckteckförmige Federschenkelbasis 8 aufweist, von der die Federschenkel 9 und 10 (siehe Fig. 5) für die Kontaktierung eines Steckkontaktes, z.B. eines Kontaktmessers, ausgehen. Die Federschenkel 9 und 10 der Grundfeder 2 gehen z.B. von der Deckenwandung und der Wandung einer im Querschnitt rechteckförmigen Federschenkelbasis 8 aus und können als normale Gabelfederarme oder als Doppelflachfederkontakte ausgebildet sein, aber auch durch Längsschlitzung mehrere Kontaktlamellen je Federschenkel aufweisen. Bei dem dargestellten Buchsenkontakt 1 besitzt jeder Federschenkel 9, 10 vier Kontaktlamellen.Figures 1 and 2 show a socket contact 1, which consists of a base spring 2 and a spring 3. The whole Socket contact 1 is in a contact chamber 4 one Contact carrier 5 (see Fig. 4), e.g. in a single or multi-row Socket housing having contact chambers electrical connector inserted. The basic spring 2 is with e.g. formed as a crimp connection part 6 for an electrical conductor and with a contact part 7, which has a cross section e.g. U-shaped or has a rectangular spring leg base 8, of which the spring legs 9 and 10 (see Fig. 5) for the Contacting a plug contact, e.g. a contact knife, out. The spring legs 9 and 10 of the base spring 2 e.g. go from the ceiling wall and the wall of an in Cross section of rectangular spring leg base 8 from and can be used as normal fork spring arms or as double flat spring contacts be formed, but also by longitudinal slitting have multiple contact blades per spring leg. In which shown socket contact 1 has each spring leg 9, 10 four contact blades.

    Die Überfeder 3 ist im Querschnitt ebenfalls rechteckig ausgebildet, so daß sie das gesamte Kontaktteil 7 der Grundfeder 2 mit vier Wandungen 11-14 kastenförmig umschließt. Die erste Wandung 11 bildet die Deckenwandung, die zweite und dritte Wandung 12,13 bilden die Seitenwandungen und die vierte Wandung 14 stellt die Bodenwandung dar. In dem dem Anschlußteil 6 der Grundfeder 2 zugewandten unteren Teilbereich der ersten Wandung 11 ist ein Rasthaken 15 als Primärsicherung für einen in eine Kontaktkammer 4 des Kontaktträgers 5 einzuführenden Buchsenkontakt 1 nach außen gebogen. Der Rasthaken 15 weist an seiner äußeren Stirnseite in der Mitte eine nach außen vorstehende Wölbung 16 auf und ist beidseitig der Wölbung 16 mit einer Einprägung 17 versehen. Durch die Einprägungen 17 entstehen relativ scharfe Kanten an der Stirnseite des Rasthaken 15, welche dazu beitragen, daß der Rasthaken 15 den Buchsenkontakt 1 besser in der Kontaktkammer 4 fixiert. Die nach außen weisende Wölbung 16 im Rasthaken 15 trägt ebenso zur besseren Fixierung des Buchsenkontaktes 1 in der Kontaktkammer 4 bei.The spring 3 is also rectangular in cross section, so that they the entire contact part 7 of the base spring 2 encloses with four walls 11-14 box-shaped. The first Wall 11 forms the ceiling wall, the second and third Wall 12, 13 form the side walls and the fourth wall 14 represents the bottom wall. In the the connecting part 6 of the base spring 2 facing lower portion of the first Wall 11 is a locking hook 15 as a primary fuse for one to be inserted into a contact chamber 4 of the contact carrier 5 Socket contact 1 bent outwards. The locking hook 15 has on the outer end face in the middle one to the outside protruding curvature 16 and is on both sides of the curvature 16 provided with an impression 17. Through the impressions 17 there are relatively sharp edges on the front of the locking hook 15, which help that the locking hook 15 the Socket contact 1 better fixed in the contact chamber 4. The outward-facing curvature 16 in the locking hook 15 also carries for better fixation of the socket contact 1 in the contact chamber 4 at.

    Damit der Rasthaken 15 möglichst stark gegen die Innenwand der Kontaktkammer 4 gepreßt wird, ist in der Biegelinie zwischen dem Rasthaken 15 und der ersten Wandung 11 eine Versteifungssicke 18 vorgesehen. Die Versteifungssicke 18 erschwert das Zurückbiegen des Rasthakens 17 zur ersten Wandung 11 hin.So that the locking hook 15 as strong as possible against the inner wall the contact chamber 4 is pressed, is in the bending line between the locking hook 15 and the first wall 11 a stiffening bead 18 provided. The stiffening bead 18 complicates bending back the locking hook 17 to the first wall 11 out.

    Für die Festlegung der Überfeder 3 an der Grundfeder 2 sind an der zweiten und dritten Wandung 12,13 der Überfeder 3 durch Trennschnitte gebildete Umlegelappen 19,20 vorgesehen, welche in entsprechende Öffnungen 21,22 an den Seitenwandungen der Federschenkelbasis 8 eingreifen.For the definition of the spring 3 on the base spring 2 are on the second and third walls 12, 13 of the spring 3 folding tabs 19, 20 formed by separating cuts are provided, which in corresponding openings 21,22 on the side walls engage the spring leg base 8.

    Die Grundfeder 2 und die Überfeder 3 sind aus Stanz-Biegeteilen aus Blech hergestellt und sind daher herstellungsbedingt in einer Wandung zweigeteilt.The base spring 2 and the spring 3 are made of stamped and bent parts made of sheet metal and are therefore production-related divided in two in one wall.

    Bei der Überfeder 3 ist die vierte Wandung 14 zweigeteilt und besteht aus den beiden Wandungsteilen 14a und 14b. Um eine stabile geschlosse Kastenform zu erreichen sind die Wandungsteile 14a,14b in der nachfolgend beschriebenen Art und Weise verbunden.In the spring 3, the fourth wall 14 is divided into two and consists of the two wall parts 14a and 14b. To one The wall parts are to achieve a stable closed box shape 14a, 14b in the manner described below connected.

    Die Wandungsteile 14a und 14b überlappen sich über die volle Länge der Überfeder 3. Durch die Überlappung wird ein unteres Wandungsteil 14a und ein oberes Wandungsteil 14b gebildet. An dem unteren Wandungsteil 14a sind zwei Verbindungslappen 23 ausgebildet, welche um 90° nach oben umgebogen und durch entsprechende Ausnehmungen 24 im oberen Wandungsteil 14b gesteckt sind. Zur formschlüssigen Verbindung der Wandungsteile 14a und 14b werden die Verbindungslappen 23 nach dem Druchstecken durch die Ausnehmungen 24 nochmals um 90° umgebogen, so daß das obere Wandungsteil 14a zwischen dem umgebogenen oberen Bereich der Verbindungslappen 23 und dem unteren Wandungsteil 14a eingeklemmt ist.The wall parts 14a and 14b overlap the full Length of the overspring 3. The overlap creates a lower one Wall part 14a and an upper wall part 14b formed. On the lower wall part 14a has two connecting tabs 23 trained, which is bent upwards by 90 ° and by appropriate Recesses 24 inserted in the upper wall part 14b are. For the positive connection of the wall parts 14a and 14b are the connecting tabs 23 after pushing through again bent through 90 ° through the recesses 24, so that the upper wall part 14a between the bent upper area of the connecting tabs 23 and the lower wall part 14a is clamped.

    Beim Umbiegen des oberen Bereiches der Verbindungslappen 23 werden diese so verpreßt, daß die Verbindungslappen 23 gegen die Seitenwandungen der Öffnung 24 gedrückt werden. Hierdurch wird jede Bewegungsmöglichkeit der Wandungsteile 14a und 14b nach dem Verpressen zueinander ausgeschlossen. Zusätzlich oder alternativ zu dem Verpressen können die Oberseiten der umgebogenen Verbindungslappen 23 mit Kerben 25 versehen werden, so daß sich die Verbindungslappen in Längsrichtung der Überfeder 3 verbreitern und ebenfalls gegen die Seitenwandungen der Ausnehmungen 24 gepreßt werden. Die Kerben 25 sind quer zur Längsrichtung der Überfeder 3 angeordnet.When bending the upper area of the connecting tab 23 these are pressed so that the connecting tab 23 against the side walls of the opening 24 are pressed. hereby any possibility of movement of the wall parts 14a and 14b excluded from each other after pressing. additionally or alternatively to pressing the tops of the bent connecting tabs 23 are provided with notches 25, so that the connecting tabs in the longitudinal direction of the Widen spring 3 and also against the side walls the recesses 24 are pressed. The notches 25 are arranged transversely to the longitudinal direction of the spring 3.

    Die zwei Verbindungslappen 23, über welche die Wandungsteile 14a und 14b miteinander verbunden sind, sind in Einsteckrichtung des Buchsenkontaktes 1 im wesentlichen im vorderen und hinteren Bereich des unteren Wandungsteiles 14a angeordnet.The two connecting tabs 23, via which the wall parts 14a and 14b are connected to each other, are in the direction of insertion of the socket contact 1 essentially in the front and rear area of the lower wall part 14a arranged.

    Der näher zum Anschlußteil 6 der Grundfeder 2 gelegene Verbindungslappen 23 ist wesentlich breiter ausgebildet und an seiner Oberseite mit zwei oder mehr Kerben 25 versehen.The connecting tab located closer to the connecting part 6 of the base spring 2 23 is much wider and on provided with two or more notches 25 on its upper side.

    Damit die Überfeder 3 die rechteckige Grundfeder 2 nahezu vollständig umschließt, ist das obere Wandungsteil 14b vor dem Überlappungsbereich mit dem unteren Wandungsteil 14a durch eine Kröpfung 26 abgebogen.So that the spring 3 almost the rectangular base spring 2 completely encloses, the upper wall part 14b is in front the area of overlap with the lower wall part 14a bent by a crank 26.

    An der in Einsteckrichtung weisenden Stirnseite des unteren Wandungsteiles 14a ist ein weiterer Lappen 27 angeordnet, welcher ebenfalls um 90° nach oben umgebogen und dessen etwas breiterer oberer Bereich nochmals um 180° wieder nach unten gefaltet ist. Der obere umgefaltete Bereich des Lappens 27 bildet ein Polarisierungselement 28 für den Buchsenkontakt 1, so daß ein Falschstecken des Buchsenkontaktes 1 in die Kontaktkammer eines Kontaktträgers verhindert wird. Der Lappen 27 ist seitlich versetzt zur Längsachse der Überfeder 3 angeordnet. Der obere umgefaltete Bereich ist in Richtung Längsachse der Überfeder 3 verbreitert, jedoch ebenso noch seitlich versetzt zur Längsachse der Überfeder 3 angeordnet. Er kann jedoch auch mittig zur Längsachse der Überfeder 3 angeordnet sein, um mit der Kontaktkammer 4, wie sie in Figur 4 dargestellt ist zusammenzupassen. Wie die Schnittdarstellung in Fig. 4 zeigt, ist die Kontaktkammer 4 des Kontaktträgers 5 für das Polarisierungselement 28 mit einer entsprechenden Polarisierungsnut 29 ausgebildet.On the face of the lower one pointing in the direction of insertion A further tab 27 is arranged on the wall part 14a, which is also bent 90 ° upwards and its something wider upper area down again by 180 ° is folded. The top folded portion of the flap 27 forms a polarizing element 28 for the socket contact 1, so that the socket contact 1 is incorrectly inserted into the contact chamber a contact carrier is prevented. The cloth 27 is laterally offset from the longitudinal axis of the spring 3. The upper folded area is in the direction of the longitudinal axis the spring 3 widened, but also laterally offset to the longitudinal axis of the spring 3. He can, however, also be arranged centrally to the longitudinal axis of the spring 3 to be in contact with the contact chamber 4, as shown in FIG is shown to match. Like the sectional view 4 shows the contact chamber 4 of the contact carrier 5 for the polarization element 28 with a corresponding polarization groove 29 trained.

    Um das Einstecken des Buchsenkontaktes 1 in die Kontaktkammer 4 des Kontaktträgers 5 nicht zu behindern, sind die Abmessungen des Polarisierungselementes 28 quer zur Einschubrichtung geringer, als diejenigen der Polarisierungsnut 29.To insert the socket contact 1 into the contact chamber 4 of the contact carrier 5 are not to hinder, the dimensions of the polarizing element 28 transversely to the direction of insertion less than that of the polarization groove 29.

    An der geteilten vierten Wandung 14 und an der ersten Wandung 11 der Überfeder 3 ist für jeden Federschenkel 9, 10 der Grundfeder 2 eine nach innen gebogene Überfederzunge 30 ausgebildet, die in etwa in Höhe der Kontaktzone 31 (siehe Fig. 5) auf den Federschenkeln 9, 10 aufliegen.On the divided fourth wall 14 and on the first wall 11 of the spring 3 is for each spring leg 9, 10 of Basic spring 2 an inwardly bent spring tongue 30 is formed, which are approximately at the level of the contact zone 31 (see FIG. 5) rest on the spring legs 9, 10.

    Figur 3 zeigt eine weitere Ausführungsvariante der Überfeder 3. Die Verbindung der Wandungsteile 14a und 14b erfolgt anschlußseitig und kontaktseitig über zwei gleich breite Verbindungslappen 23, welche an ihrer Oberseite mit jeweils nur einer Einprägung 25 versehen sind. Die anschlußseitge Ausnehmung 24 im oberen Wandungsteil 14a ist U-förmig ausgebildet. Der Rasthaken 15 ist am anschlußseitigen Rand der ersten Wandung 11 ausgebildet und wird durch zwei Einschnitte 32, 33, welche von der zum Anschlußteil 6 weisenden Stirnseite der ersten Wandung 11 beginnen, erzeugt.Figure 3 shows a further embodiment of the spring 3. The connection of the wall parts 14a and 14b takes place on the connection side and on the contact side via two connecting tabs of the same width 23, which on their top with only an impression 25 are provided. The connection-side recess 24 in the upper wall part 14a is U-shaped. The locking hook 15 is on the connection-side edge of the first wall 11 and is formed by two incisions 32, 33, which of the end facing the connector 6 first wall 11 begin to be generated.

    Claims (10)

    1. A receptacle contact (1), comprising a top spring (3) and a base spring (2), with the top spring (3) surrounding the base spring (2) in the manner of a box by means of a first (11), a second (12), a third (13) and a split fourth (14) wall, and for the purpose of form-fittingly connecting the wall parts (14a, 14b) of the split fourth wall (14) at least two connection tabs (23) being constructed on the one wall part (14a), these connection tabs being arranged, as seen in the direction of inserting the receptacle contact (1), in the front and rear regions of the wall part (14a),
         characterised in that a cutout (24) is made in the other wall part (14b) for each connection tab (23), and the connection tabs (23) are pushed through the cutouts (24) and bent around, and the two wall parts (14a, 14b) overlap over the full length of the top spring (3).
    2. A receptacle contact according to Claim 1, characterised in that by overlapping the wall parts (14a, 14b) of the top spring (3) a lower wall part (14a) and an upper wall part (14b) are formed, and the connection tabs (23) are constructed on the lower wall part (14a) and the cutouts (24) are made on the upper wall part (14b).
    3. A receptacle contact according to Claim 2, characterised in that at least one cutout (24) is made in the form of an elongate hole within the upper wall part (14b).
    4. A receptacle contact according to Claim 2, characterised in that at least one cutout (24) is made in the form of a U-shaped cutout on that edge of the upper wall part (14b) on the terminal side or on the contact side.
    5. A receptacle contact according to one of Claims 1 to 4, characterised in that the connection tabs (23) are shaped after the bending around such that they are supported against the walls of the cutouts (24).
    6. A receptacle contact according to Claim 5, characterised in that the shaping of the connection tabs (23) is performed by pressing or introducing one or more notches (25) on the upper side of the connection tabs (23).
    7. A receptacle contact according to one of Claims 1 to 6, characterised in that a latching hook (15) extending in the longitudinal direction of the top spring (3) is cut out of the first wall (11) and bent outwards.
    8. A receptacle contact according to one of Claims 2 to 7, characterised in that the upper wall part (14b) has in front of the overlapping region a kink (26) in the material thickness of the lower wall part (14a).
    9. A receptacle contact according to one of Claims 2 to 8, characterised in that a polarising element (28) is constructed on the lower wall part (14a).
    10. A receptacle contact according to one of Claims 1 to 9, characterised in that, for the purpose of securing the top spring to the base spring (2), tabs (19, 20) for laying around are constructed on the mutually opposing second and third walls (12, 13) of the top spring (3), and these may be bent inwards and engage in corresponding openings (21, 22) in the base spring (2).
    EP99945871A 1998-08-03 1999-07-01 Bushing contact Expired - Lifetime EP1103088B1 (en)

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    DE19835020 1998-08-03
    DE19835020A DE19835020C2 (en) 1998-08-03 1998-08-03 Socket contact
    PCT/DE1999/002015 WO2000008721A1 (en) 1998-08-03 1999-07-01 Bushing contact

    Publications (2)

    Publication Number Publication Date
    EP1103088A1 EP1103088A1 (en) 2001-05-30
    EP1103088B1 true EP1103088B1 (en) 2002-09-25

    Family

    ID=7876304

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP99945871A Expired - Lifetime EP1103088B1 (en) 1998-08-03 1999-07-01 Bushing contact

    Country Status (6)

    Country Link
    US (1) US6872103B1 (en)
    EP (1) EP1103088B1 (en)
    JP (1) JP2002522883A (en)
    KR (1) KR20010072198A (en)
    DE (2) DE19835020C2 (en)
    WO (1) WO2000008721A1 (en)

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    Also Published As

    Publication number Publication date
    US6872103B1 (en) 2005-03-29
    EP1103088A1 (en) 2001-05-30
    KR20010072198A (en) 2001-07-31
    JP2002522883A (en) 2002-07-23
    DE19835020A1 (en) 2000-04-06
    WO2000008721A1 (en) 2000-02-17
    DE59902874D1 (en) 2002-10-31
    DE19835020C2 (en) 2001-02-08

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