EP0785596B1 - Socket contact with base spring and surrounding spring - Google Patents

Socket contact with base spring and surrounding spring Download PDF

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Publication number
EP0785596B1
EP0785596B1 EP96113323A EP96113323A EP0785596B1 EP 0785596 B1 EP0785596 B1 EP 0785596B1 EP 96113323 A EP96113323 A EP 96113323A EP 96113323 A EP96113323 A EP 96113323A EP 0785596 B1 EP0785596 B1 EP 0785596B1
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EP
European Patent Office
Prior art keywords
spring
top wall
socket contact
base
longitudinal slit
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
EP96113323A
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German (de)
French (fr)
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EP0785596A2 (en
EP0785596A3 (en
Inventor
Ernst Liebich
Richard Flieger
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Siemens AG
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Siemens AG
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Publication date
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Publication of EP0785596A2 publication Critical patent/EP0785596A2/en
Publication of EP0785596A3 publication Critical patent/EP0785596A3/en
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Publication of EP0785596B1 publication Critical patent/EP0785596B1/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
    • 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 with a base spring which is a connector for an electrical conductor and a contact member with and from a spring leg base outgoing spring legs for contacting a Has plug contact, and with one from a stamped and bent part made of sheet metal, the contact part of the base spring over-spring enclosing a box-like shape, which forms a base wall, two side walls and one due to a manufacturing Longitudinal slot divided ceiling wall and two opposite walls with cut out, bent inwards and on the spring legs of the Basic spring overlap tongues as well as one from a Wall cut out, in the longitudinal direction of the spring extending, outwardly bent locking hook and further is still formed with a polarizing element.
  • Such a socket contact is e.g. B. by DE 9202366 U1 known.
  • Contact springs are used for electrical plug connections, which are designed as a socket contact and from a Basic spring and one among others for contact force support serving for the basic spring, the basic spring box-shaped enclosing spring.
  • the spring has over it usually additional functions and should z.
  • B. - As with the known socket contact - a primary fuse and a polarization into a contact chamber of a contact carrier insertable socket contact. For this the over spring on one side with a cut out outwardly bent detent spring arm for primary securing as well as on the same or a different side with a also outwardly curved lobe-shaped web for polarization educated.
  • the spring is more suitable Way to attach to the base spring.
  • Socket contacts is both the basic spring and the one Spring made from a stamped and bent part made of sheet metal. Due to a longitudinal slit that arises due to the manufacturing process on one side - especially with springs with additional functions - the stability of the box shape the spring can be impaired.
  • the invention is therefore primarily based on the object a socket contact of the type mentioned one as possible to achieve stable box shape of the spring.
  • This task is the one mentioned in the case of a socket contact kind solved according to the invention in that at the divided ceiling wall of the spring a ceiling wall part or both ceiling wall parts in one of the connecting part of the Base spring facing lower portion of the longitudinal slot and in one of the contact opening side of the base spring upper part of the longitudinal slot with a the other ceiling wall part directed connecting tab is or are formed and that the connecting tab extend beyond the longitudinal slot and with the respective opposite ceiling wall part and / or are non-positively connected.
  • the socket contact 1 consists of a Basic spring 2 and a spring 3 and is in a contact chamber 4 of a contact carrier 5 ( Figure 4), for. B. in a Single or multi-row contact chambers with socket housings an electrical connector.
  • the Basic spring 2 is with a z. B. trained as a crimp connection Connection part 6 for an electrical conductor and with a contact part 7 is formed, which in cross section e.g. B.
  • U-shaped or rectangular spring leg base 8 has, of which the spring legs 9 and 10 for contacting a plug contact, e.g. B. a contact knife, going out.
  • the spring legs 9 and 10 of the base spring go z. B.
  • the spring 3 is also rectangular in cross section trained so that they the entire contact part 7 of the base spring 2 with a bottom wall 13, two side walls 14, 15 and a ceiling wall 16 encloses a box.
  • the bottom wall 13 of the spring 3 is in itself Longitudinal direction of the over-spring extending locking hook 17 cut out and as a primary fuse element for an in to introduce a contact chamber 4 of the contact carrier 5 Socket contact bent outwards.
  • the spring 3 is in simply attached to the base spring 2 in that on their short side walls 14, 15 with small, through Partition cuts formed and bent inwards as well as in Recesses 11, 12 on the side walls of the spring leg base 8 engaging flaps 18, 19 is provided.
  • the base spring 2 and the spring 3 are made of stamped and bent parts made of sheet metal and therefore have to be manufactured a longitudinal slot.
  • the longitudinal slots 21 and 22 the base spring 2 and the spring 3 are located here in the top wall of the two springs, d. H.
  • the spring feather 3 has a top wall divided by the longitudinal slot 22 16, which is divided here in the middle and thus two has the same size ceiling wall parts 16a and 16b.
  • the two top wall parts 16a, 16b in connected in the exemplary manner described below.
  • the top wall part 16 a is in a the connecting part 6 the lower part of the longitudinal slot facing the base spring 2 22 with an approximately rectangular connecting tab 23 formed by a crank 24 of the Ceiling wall part 16a is bent upwards, in the direction on the opposite other ceiling wall part 16b extends beyond the longitudinal slot 22 and the other Ceiling wall part 16b overlapped flat in a partial area.
  • the connection of the connecting tab 23 with the ceiling wall part 16b is carried out by plastic forming (clinching), d. H. through plastic cold forming and pressing into each other the connection area with an embossing stamp or - as shown - by welding z.
  • B. two Spot welds 25 instead of these non-positive, described Connection type can e.g. B.
  • the ceiling wall parts 16a and 16b also in one of the contact opening side the upper part of the longitudinal slot facing the base spring 2 22 connected together.
  • the other ceiling wall part 16b formed with a connecting tab 26.
  • This connection tab 26 forms an end web 26a which with an angle of 90 ° to the ceiling wall part 16b to the outside is bent up and with a section 26b over the Longitudinal slot 22 extends beyond. From this section 26b is in turn angled by 90 ° a partial lobe 26c and opposite ceiling wall part 16a bent out.
  • this partial rag 26c is in turn welded to one Welding point 25 connected to the ceiling wall part 16a.
  • this partial rag 26c is in turn welded to one Welding point 25 connected to the ceiling wall part 16a.
  • this partial rag 26c is in turn welded to one Welding point 25 connected to the ceiling wall part 16a.
  • the contact chamber 4 of the Contact carrier 5 for the web 26a of the socket contact with a corresponding polarization groove 22 is formed.
  • the width of the in the connecting tab 23 provided in the lower section transverse to the direction of insertion no greater than the width b of the web 26a in the same direction.
  • the height of the connecting tab 23 above the ceiling wall 16 much lower than the height h of the web 26a. So that's the dimensioning of the connecting tab 23 within the contour of the Polarization groove 20.
  • each spring leg 9, 10 of the base spring 2 with an inward curved spring tongue is formed.
  • each spring leg 9 and 10 with four formed by longitudinal slits are the spring over here both on the bottom wall 13 and on the ceiling wall 16 with each provided four resilient spring tongues 27 bent inwards, the approximately at the level of the contact zone 28 on the contact lamellae rest ( Figure 5).

Description

Die Erfindung betrifft einen Buchsenkontakt mit einer Grundfeder , die ein Anschlußteil für einen elektrischen Leiter und ein Kontaktteil mit einer Federschenkelbasis und von dieser ausgehenden Federschenkeln für die Kontaktierung eines Steckkontaktes aufweist, und mit einer aus einem Stanz-Biegeteil aus Blech hergestellten, das Kontaktteil der Grundfeder kastenförmig umschließenden Überfeder, die eine Bodenwandung, zwei Seitenwandungen und eine durch einen herstellungsbedingten Längsschlitz geteilte Deckenwandung aufweist und an zwei einander gegenüberliegenden Wandungen mit herausgeschnittenen, nach innen gebogenen und auf den Federschenkeln der Grundfeder aufliegenden Überfederzungen sowie einem aus einer Wandung herausgeschnittenen, sich in Längsrichtung der Überfeder erstreckenden, nach außen gebogenen Rasthaken und ferner noch mit einem Polarisierungselement ausgebildet ist.The invention relates to a socket contact with a base spring which is a connector for an electrical conductor and a contact member with and from a spring leg base outgoing spring legs for contacting a Has plug contact, and with one from a stamped and bent part made of sheet metal, the contact part of the base spring over-spring enclosing a box-like shape, which forms a base wall, two side walls and one due to a manufacturing Longitudinal slot divided ceiling wall and two opposite walls with cut out, bent inwards and on the spring legs of the Basic spring overlap tongues as well as one from a Wall cut out, in the longitudinal direction of the spring extending, outwardly bent locking hook and further is still formed with a polarizing element.

Ein derartiger Buchsenkontakt ist z. B. durch DE 9202366 U1 bekannt.Such a socket contact is e.g. B. by DE 9202366 U1 known.

Für elektrische Steckverbindungen werden Kontaktfedern verwendet, die als Buchsenkontakt ausgebildet sind und aus einer Grundfeder und einer unter anderem zur Kontaktkraftunterstützung für die Grundfeder dienenden, die Grundfeder kastenförmig umschließenden Überfeder bestehen. Die Überfeder hat darüber hinaus meist noch zusätzliche Funktionen und soll z. B. - wie bei dem bekannten Buchsenkontakt - eine Primärsicherung und eine Polarisierung eines in eine Kontaktkammer eines Kontaktträgers einfügbaren Buchsenkontaktes bewirken. Hierzu wird die Über feder an einer Seite mit einem herausgeschnittenen, nach außen gebogenen Rastfederarm zur Primärsicherung sowie an derselben oder an einer anderen Seite mit einem ebenfalls nach außen gebogenen lappenförmigen Steg zur Polarisierung ausgebildet. Außerdem ist die Überfeder in geeigneter Weise noch an der Grundfeder zu befestigen. Bei derartigen Buchsenkontakten ist sowohl die Grundfeder als auch die Überfeder aus einem Stanz-Biegeteil aus Blech hergestellt. Aufgrund eines dabei herstellungsbedingt entstehenden Längsschlitzes an einer Seite kann - insbesondere bei Überfedern mit zusätzlichen Funktionen - die Stabilität der Kastenform der Überfeder beeinträchtigt werden.Contact springs are used for electrical plug connections, which are designed as a socket contact and from a Basic spring and one among others for contact force support serving for the basic spring, the basic spring box-shaped enclosing spring. The spring has over it usually additional functions and should z. B. - As with the known socket contact - a primary fuse and a polarization into a contact chamber of a contact carrier insertable socket contact. For this the over spring on one side with a cut out outwardly bent detent spring arm for primary securing as well as on the same or a different side with a also outwardly curved lobe-shaped web for polarization educated. In addition, the spring is more suitable Way to attach to the base spring. With such Socket contacts is both the basic spring and the one Spring made from a stamped and bent part made of sheet metal. Due to a longitudinal slit that arises due to the manufacturing process on one side - especially with springs with additional functions - the stability of the box shape the spring can be impaired.

Der Erfindung liegt daher vor allem die Aufgabe zugrunde, bei einem Buchsenkontakt der eingangs genannten Art eine möglichst stabile Kastenform der Überfeder zu erreichen.The invention is therefore primarily based on the object a socket contact of the type mentioned one as possible to achieve stable box shape of the spring.

Diese Aufgabe wird bei einem Buchsenkontakt der eingangs genannten Art gemäß der Erfindung dadurch gelöst, daß an der geteilten Deckenwandung der Überfeder ein Deckenwandungsteil oder beide Deckenwandungsteile in einem dem Anschlußteil der Grundfeder zugewandten unteren Teilbereich des Längsschlitzes und in einem der Kontaktöffnungsseite der Grundfeder zugewandten oberen Teilbereich des Längsschlitzes mit einem auf das jeweils andere Deckenwandungsteil gerichteten Verbindungslappen ausgebildet ist bzw. sind und daß die Verbindungslappen sich über den Längsschlitz hinaus erstrecken und mit dem jeweils gegenüberliegenden Deckenwandungsteil form- und/oder kraftschlüssig verbunden sind.This task is the one mentioned in the case of a socket contact Kind solved according to the invention in that at the divided ceiling wall of the spring a ceiling wall part or both ceiling wall parts in one of the connecting part of the Base spring facing lower portion of the longitudinal slot and in one of the contact opening side of the base spring upper part of the longitudinal slot with a the other ceiling wall part directed connecting tab is or are formed and that the connecting tab extend beyond the longitudinal slot and with the respective opposite ceiling wall part and / or are non-positively connected.

Bei einem derartigen Buchsenkontakt ergibt sich durch die Verbindung der geteilten Deckenwandung der Überfeder in dem dem Anschlußteil der Grundfeder zugewandten unteren Teilbereich des herstellungsbedingten, die Kastenstoßstelle bildenden Längsschlitzes und in dem der Kontaktöffnungsseite zugewandten oberen Teilbereich eine weitgehend geschlossene Kastenform der Überfeder, so daß diese eine hohe Stabilität besitzt und eine die Kontaktkraftunterstützungsfunktion der Überfeder beeinträchtigende Kastenauffederung verhindert ist.With such a socket contact results from Connection of the split top wall of the spring in the the lower part facing the connecting part of the base spring of the production-related, forming the box joint Longitudinal slot and in the contact opening side facing a largely closed box shape in the upper section the spring, so that it has a high stability and a the contact force support function of the Box spring impairing over-spring is prevented.

Vorteilhafte Ausgestaltungen des Gegenstandes des Anspruchs 1 sind in den Unteransprüchen angegeben. Advantageous embodiments of the subject matter of claim 1 are specified in the subclaims.

Die Erfindung wird im folgenden anhand eines in der Zeichnung dargestellten Ausführungsbeispieles näher erläutert. Es zeigen

  • Figur 1 und 2 in perspektivischen Darstellungen den Buchsenkontakt mit Blick auf die Deckenwandung,
  • Figur 3 in entsprechender Darstellung den Buchsenkontakt mit Blick auf die Bodenwandung,
  • Figur 4 eine Kontaktkammer eines Buchsenkontakte aufnehmenden Kontaktträgers im Querschnitt und
  • Figur 5 in einer Teilansicht im Schnitt die Kontaktzone des Buchsenkontaktes.
    • The invention is explained below with reference to an embodiment shown in the drawing. Show it
  • 1 and 2 in perspective representations the socket contact with a view of the ceiling wall,
  • FIG. 3 shows the socket contact in a corresponding representation with a view of the bottom wall,
  • Figure 4 shows a contact chamber of a contact carrier receiving contact contacts in cross section and
  • Figure 5 in a partial view in section, the contact zone of the socket contact.

    • Der Buchsenkontakt 1 nach den Figuren 1 bis 3 besteht aus einer Grundfeder 2 und einer Überfeder 3 und wird in eine Kontaktkammer 4 eines Kontaktträgers 5 (Figur 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 rechteckförmige Federschenkelbasis 8 aufweist, von der die Federschenkel 9 und 10 für die Kontaktierung eines Steckkontaktes, z. B. eines Kontaktmessers, ausgehen. Die Federschenkel 9 und 10 der Grundfeder gehen z. B. von der Bodenwandung und der Deckenwandung 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 besitzt - was sich aus der später beschriebenen Ausführung der Überfeder ergibt - jeder Federschenkel vier Kontaktlamellen. The socket contact 1 according to Figures 1 to 3 consists of a Basic spring 2 and a spring 3 and is in a contact chamber 4 of a contact carrier 5 (Figure 4), for. B. in a Single or multi-row contact chambers with socket housings an electrical connector. The Basic spring 2 is with a z. B. trained as a crimp connection Connection part 6 for an electrical conductor and with a contact part 7 is formed, which in cross section e.g. B. U-shaped or rectangular spring leg base 8 has, of which the spring legs 9 and 10 for contacting a plug contact, e.g. B. a contact knife, going out. The spring legs 9 and 10 of the base spring go z. B. from the bottom wall and the top wall one in cross section rectangular spring leg base 8 and can as normal fork spring arms or as double flat spring contacts be formed, but also several by longitudinal slitting Have contact blades per spring leg. In the illustrated Socket contact possesses - what follows from that described later Execution of the over-spring results in - each spring leg four contact blades.

    Die Überfeder 3 ist im Querschnitt ebenfalls rechteckförmig ausgebildet, so daß sie das gesamte Kontaktteil 7 der Grundfeder 2 mit einer Bodenwandung 13, zwei Seitenwandungen 14, 15 und einer Deckenwandung 16 kastenförmig umschließt. In dem dem Anschlußteil 6 der Grundfeder zugewandten unteren Teilbereich der Bodenwandung 13 der Überfeder 3 ist ein sich in Längsrichtung der Überfeder erstreckender Rasthaken 17 herausgeschnitten und als Primärsicherungselement für einen in eine Kontaktkammer 4 des Kontaktträgers 5 einzuführenden Buchsenkontakt nach außen gebogen. Die Überfeder 3 ist in einfacher Weise dadurch an der Grundfeder 2 befestigt, daß sie an ihren kurzen Seitenwandungen 14, 15 mit kleinen, durch Trennschnitte gebildeten und nach innen gebogenen sowie in Ausnehmungen 11, 12 an den Seitenwandungen der Federschenkelbasis 8 eingreifende Umlegelappen 18, 19 versehen ist.The spring 3 is also rectangular in cross section trained so that they the entire contact part 7 of the base spring 2 with a bottom wall 13, two side walls 14, 15 and a ceiling wall 16 encloses a box. By doing the lower part facing the connecting part 6 of the base spring the bottom wall 13 of the spring 3 is in itself Longitudinal direction of the over-spring extending locking hook 17 cut out and as a primary fuse element for an in to introduce a contact chamber 4 of the contact carrier 5 Socket contact bent outwards. The spring 3 is in simply attached to the base spring 2 in that on their short side walls 14, 15 with small, through Partition cuts formed and bent inwards as well as in Recesses 11, 12 on the side walls of the spring leg base 8 engaging flaps 18, 19 is provided.

    Die Grundfeder 2 und die Überfeder 3 sind aus Stanz-Biegeteilen aus Blech hergestellt und weisen demzufolge herstellungsbedingt einen Längsschlitz auf. Die Längsschlitze 21 und 22 der Grundfeder 2 bzw. der Überfeder 3 befinden sich hier jeweils in der Deckenwandung der beiden Federn, d. h. die Überfeder 3 weist eine durch den Längsschlitz 22 geteilte Deckenwandung 16 auf, die hier mittig geteilt ist und damit zwei gleich große Deckenwandungsteile 16a und 16b hat. Um eine weitgehend geschlossene, stabile Kastenform der Überfeder zu erreichen, sind die beiden Deckenwandungsteile 16a, 16b in der nachfolgend beschriebenen beispielhaften Weise verbunden. Das Deckenwandungsteil 16a ist in einem dem Anschlußteil 6 der Grundfeder 2 zugewandten unteren Teilbereich des Längsschlitzes 22 mit einem hier etwa rechteckigen Verbindungslappen 23 ausgebildet, der durch eine Kröpfung 24 von dem Deckenwandungsteil 16a nach oben abgebogen ist, sich in Richtung auf das gegenüberliegende andere Deckenwandungsteil 16b über den Längsschlitz 22 hinaus erstreckt und das andere Deckenwandungsteil 16b in einem Teilbereich flach überlappt. Die Verbindung des Verbindungslappens 23 mit dem Deckenwandungsteil 16b erfolgt durch plastische Umformung (Clinchen), d. h. durch eine plastische Kaltverformung und ein Ineinanderpressen des Verbindungsbereiches mit einem Prägestempel oder - wie dargestellt - durch Schweißen z. B. an zwei Schweißpunkten 25. Anstelle diese kraftschlüssigen, beschriebenen Verbindungsart kann z. B. auch eine reine formschlüssige Verbindung der Deckenwandungsteile 16a und 16b über den Verbindungslappen 23 erfolgen. Außerdem sind die Deckenwandungsteile 16a und 16b auch in einem der Kontaktöffnungsseite der Grundfeder 2 zugewandten oberen Teilbereich des Längsschlitzes 22 miteinander verbunden. Hierzu ist bei dem dargestellten Ausführungsbeispiel das andere Deckenwandungsteil 16b mit einem Verbindungslappen 26 ausgebildet. Dieser Verbindungslappen 26 bildet einen stirnseitigen Steg 26a, der mit einem Winkel von 90° zum Deckenwandungsteil 16b nach außen hochgebogen ist und sich mit einem Abschnitt 26b über den Längsschlitz 22 hinaus erstreckt. Von diesem Abschnitt 26b ist wiederum um 90° ein Teillappen 26c abgewinkelt und zum gegenüberliegenden Deckenwandungsteil 16a hin gebogen. Hier ist dieser Teillappen 26c wiederum durch Schweißen an einem Schweißpunkt 25 mit dem Deckenwandungsteil 16a verbunden. In vorteilhafter Weise bildet der in bezug auf den Längsschlitz 22 mittig angeordnete hochgebogene Steg 26a des Verbindungslappens 26 ein quer zur Steckrichtung des Buchsenkontaktes gerichtetes Polarisierungselement für den Buchsenkontakt, so daß ein Falschstecken des Buchsenkontaktes in die Kontaktkammer 4 des Kontaktträgers 5 verhindert wird. Wie die Schnittdarstellung in Figur 4 zeigt, ist die Kontaktkammer 4 des Kontaktträgers 5 für den Steg 26a des Buchsenkontaktes mit einer entsprechenden Polarisierungsnut 22 ausgebildet. Um das Einstecken des Buchsenkontaktes in die Kontaktkammer 4 des Kontaktträgers 5 nicht zu behindern, ist die Breite des in dem unteren Teilbereich vorgesehenen Verbindungslappens 23 quer zur Steckrichtung nicht größer als die Breite b des Steges 26a in derselben Richtung. Außerdem ist die Höhe des Verbindungslappens 23 über der Deckenwandung 16 wesentlich geringer als die Höhe h des Steges 26a. Damit liegt die Dimensionierung des Verbindungslappens 23 innerhalb der Kontur der Polarisierungsnut 20.The base spring 2 and the spring 3 are made of stamped and bent parts made of sheet metal and therefore have to be manufactured a longitudinal slot. The longitudinal slots 21 and 22 the base spring 2 and the spring 3 are located here in the top wall of the two springs, d. H. the spring feather 3 has a top wall divided by the longitudinal slot 22 16, which is divided here in the middle and thus two has the same size ceiling wall parts 16a and 16b. To one largely closed, stable box shape of the spring reach, the two top wall parts 16a, 16b in connected in the exemplary manner described below. The top wall part 16 a is in a the connecting part 6 the lower part of the longitudinal slot facing the base spring 2 22 with an approximately rectangular connecting tab 23 formed by a crank 24 of the Ceiling wall part 16a is bent upwards, in the direction on the opposite other ceiling wall part 16b extends beyond the longitudinal slot 22 and the other Ceiling wall part 16b overlapped flat in a partial area. The connection of the connecting tab 23 with the ceiling wall part 16b is carried out by plastic forming (clinching), d. H. through plastic cold forming and pressing into each other the connection area with an embossing stamp or - as shown - by welding z. B. two Spot welds 25. Instead of these non-positive, described Connection type can e.g. B. also a pure positive Connection of the ceiling wall parts 16a and 16b via the Connection tabs 23 take place. In addition, the ceiling wall parts 16a and 16b also in one of the contact opening side the upper part of the longitudinal slot facing the base spring 2 22 connected together. This is in the illustrated Embodiment the other ceiling wall part 16b formed with a connecting tab 26. This connection tab 26 forms an end web 26a which with an angle of 90 ° to the ceiling wall part 16b to the outside is bent up and with a section 26b over the Longitudinal slot 22 extends beyond. From this section 26b is in turn angled by 90 ° a partial lobe 26c and opposite ceiling wall part 16a bent out. Here this partial rag 26c is in turn welded to one Welding point 25 connected to the ceiling wall part 16a. In advantageously forms in relation to the longitudinal slot 22 centrally arranged raised web 26a of the connecting tab 26 a transversely to the direction of insertion of the socket contact directional polarizing element for the socket contact, see above that incorrect insertion of the socket contact into the contact chamber 4 of the contact carrier 5 is prevented. Like the sectional view shows in Figure 4, the contact chamber 4 of the Contact carrier 5 for the web 26a of the socket contact with a corresponding polarization groove 22 is formed. To do that Insert the socket contact into the contact chamber 4 of the Contact carrier 5 is not to hinder, the width of the in the connecting tab 23 provided in the lower section transverse to the direction of insertion no greater than the width b of the web 26a in the same direction. In addition, the height of the connecting tab 23 above the ceiling wall 16 much lower than the height h of the web 26a. So that's the dimensioning of the connecting tab 23 within the contour of the Polarization groove 20.

    Der Vollständigkeit halber sei noch erwähnt, daß die Überfeder 3 an der Deckenwandung 16 und an der Bodenwandung 13 für jeden Federschenkel 9, 10 der Grundfeder 2 mit einer nach innen gebogenen Überfederzunge ausgebildet ist. Entsprechend der oben erwähnten beispielhaften Ausbildung der Federschenkel 9 und 10 mit jeweils vier durch Längsschlitzung gebildeten Kontaktlamellen ist die Überfeder hier sowohl an der Bodenwandung 13 als auch an der Deckenwandung 16 mit jeweils vier nach innen gebogenen federnden Überfederzungen 27 versehen, die etwa in Höhe der Kontaktzone 28 auf den Kontaktlamellen aufliegen(Figur 5).For the sake of completeness it should also be mentioned that the spring 3 on the top wall 16 and on the bottom wall 13 for each spring leg 9, 10 of the base spring 2 with an inward curved spring tongue is formed. Corresponding the above-mentioned exemplary configuration of the spring legs 9 and 10, each with four formed by longitudinal slits Contact lamellas are the spring over here both on the bottom wall 13 and on the ceiling wall 16 with each provided four resilient spring tongues 27 bent inwards, the approximately at the level of the contact zone 28 on the contact lamellae rest (Figure 5).

    Claims (11)

    1. Socket contact (1) with a base spring (2) which has a connecting part (6) for an electric conductor and a contact part (7) with a spring limb base (8) and, departing therefrom, spring limbs (9, 10) for making contact with a plug-in contact, and with an enveloping spring (3) which is produced from a stamped and bent part of sheet metal, encloses the contact part (7) of the base spring (2) in the form of a box, and has a bottom wall (13), two side walls (14, 15) and a top wall (16) which is divided by a longitudinal slit (22) made during production, and is constructed on two mutually opposite walls (13, 16) with cut-out, inwardly bent enveloping spring tongues (27) resting on the spring limbs (9, 10) of the base spring (2), as well as an outwardly bent latching hook (17) which is cut out of a wall (13) and extends in the longitudinal direction of the enveloping spring (3), and with, furthermore, a polarizing element (26), characterized in that on the divided top wall (16) of the enveloping spring (3) one top wall part (16a) or both top wall parts (16a, 16b) is or are constructed in a lower subregion of the longitudinal slit (22) facing the connecting part (6) of the base spring (2), and in an upper subregion of the longitudinal slit (22) facing the contact opening side of the base spring (2) with a connecting tab (23 or 26) directed towards the respective other top wall part (16b or 16a), and in that the connecting tabs (23, 26) extend beyond the longitudinal slit (22) and are connected in a self-closed and/or force-closed fashion to the respective opposite top wall part (16b or 16a).
    2. Socket contact according to Claim 1, characterized in that the connecting tab (23, 26) is provided in one subregion of the longitudinal slit (22) on one top wall part (16a), and in the other subregion of the longitudinal slit (22) on the other top wall part (16b).
    3. Socket contact according to Claim 1 or 2, characterized in that in the lower subregion of the longitudinal slit (22) the connecting lug (23) is raised from the relevant top wall part (16a) by an offset (24) and overlaps the other top wall part (16b) in a flat fashion.
    4. Socket contact according to one of Claims 1 to 3, characterized in that in the upper subregion of the longitudinal slit (22) the connecting lug (26) forms an end-face web (26a) of the relevant top wall part (16b), and in that said web (26a) is bent up outwards by 90° relative to the top wall (16) and is constructed in the section (26b) extending beyond the longitudinal slit (22) with a component lug (26c) angled away at 90° relative to the top wall (16), and is thus connected to the other top wall part (16a).
    5. Socket contact according to Claim 4, characterized in that the bent-up web (26a) of the connecting lug (26) is arranged centrally with reference to the longitudinal slit (22) and forms the polarizing element for the socket contact (1).
    6. Socket contact according to Claim 4 or 5, characterized in that the width of the connecting lug (23) provided in the lower subregion is not greater transverse to the plug-in direction than the width (b) of the web (26a) of the other connecting lug (26) in the same direction.
    7. Socket contact according to one of Claims 4 to 6, characterized in that the height of the connecting lug (23) provided in the lower subregion is substantially smaller above the top wall (16) than the height (h) of the web (26a) of the other connecting lug (26).
    8. Socket contact according to one of the preceding claims, characterized in that the latching hook (17) of the enveloping spring (3) is provided on the bottom wall (13) of the enveloping spring (3), which is opposite the top wall (16) and thus opposite the connecting side.
    9. Socket contact according to one of the preceding claims, characterized in that the connection between the connecting lugs (23, 26) and the top wall parts (16a, 16b) is made by plastic reforming (clinching) and/or welding.
    10. Socket contact according to one of the preceding claims, characterized in that for the purpose of fastening on the spring limb base (8) the enveloping spring (3) is provided on its side walls (14, 15) with bent-over lugs (18, 19) which are formed by parting cuts, are bent inwards and engage in cut-outs (11, 12) on the side walls of the spring limb base (8).
    11. Socket contact according to one of the preceding claims, characterized in that the enveloping spring (3) is constructed with an inwardly bent enveloping spring tongue (27) on the top wall (16) and on the bottom wall (13) for each spring limb (9, 10) or for each contact lamination of a spring limb (9 or 10) formed by being slit longitudinally.
    EP96113323A 1995-09-29 1996-08-20 Socket contact with base spring and surrounding spring Expired - Lifetime EP0785596B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE19536500 1995-09-29
    DE19536500A DE19536500C2 (en) 1995-09-29 1995-09-29 Socket contact with base and spring

    Publications (3)

    Publication Number Publication Date
    EP0785596A2 EP0785596A2 (en) 1997-07-23
    EP0785596A3 EP0785596A3 (en) 1997-07-30
    EP0785596B1 true EP0785596B1 (en) 1999-06-16

    Family

    ID=7773695

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP96113323A Expired - Lifetime EP0785596B1 (en) 1995-09-29 1996-08-20 Socket contact with base spring and surrounding spring

    Country Status (4)

    Country Link
    US (1) US5863225A (en)
    EP (1) EP0785596B1 (en)
    DE (2) DE19536500C2 (en)
    ES (1) ES2134541T3 (en)

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    Also Published As

    Publication number Publication date
    ES2134541T3 (en) 1999-10-01
    EP0785596A2 (en) 1997-07-23
    DE59602238D1 (en) 1999-07-22
    DE19536500C2 (en) 1997-07-24
    DE19536500A1 (en) 1997-04-03
    EP0785596A3 (en) 1997-07-30
    US5863225A (en) 1999-01-26

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