EP2852003B1 - Contact element for a plug connector - Google Patents

Contact element for a plug connector Download PDF

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Publication number
EP2852003B1
EP2852003B1 EP14185363.0A EP14185363A EP2852003B1 EP 2852003 B1 EP2852003 B1 EP 2852003B1 EP 14185363 A EP14185363 A EP 14185363A EP 2852003 B1 EP2852003 B1 EP 2852003B1
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EP
European Patent Office
Prior art keywords
contact
contact element
base part
area
mating
Prior art date
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Active
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EP14185363.0A
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German (de)
French (fr)
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EP2852003A1 (en
Inventor
Alexander Schmid
Andreas Metzler
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Hirschmann Automotive GmbH
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Hirschmann Automotive GmbH
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Publication of EP2852003A1 publication Critical patent/EP2852003A1/en
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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
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/114—Resilient sockets co-operating with pins or blades having a square transverse section
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/112—Resilient sockets forked sockets having two legs
    • 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
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/115—U-shaped sockets having inwardly bent legs, e.g. spade type
    • 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
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/113—Resilient sockets co-operating with pins or blades having a rectangular transverse section
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
    • H01R4/185—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion combined with a U-shaped insulation-receiving portion

Definitions

  • the invention relates to a contact element for a connector.
  • U.S. 4,472,017 A discloses the features of the preamble of claim 1.
  • the contact element from this known prior art also has a first base part, this base part is provided with two wave crests.
  • a second base part, also with two wave crests, is assigned to the first base part.
  • a detent spring material layer is attached to this second base part, with which the contact element is fixed in a contact chamber of a connector.
  • the contact element known from this prior art offers a structure that is sufficient in terms of assembly and contact reliability, but can be improved.
  • the object of the invention is to provide an improved contact element for a plug connection.
  • a plug connector is constructed in such a way that it has a housing which has at least one, usually several contact chambers. Contact elements are inserted into these contact chambers and locked once, often twice, in this contact chamber.
  • the contact element itself is arranged at the end of an electrical line, an electrical conductor of the line being in electrical contact with the contact element, for example by soldering, crimping or the like.
  • the contact element has a resilient contact geometry for a counter-contact element in a contact area, this contact geometry being present twice.
  • this resilient design of the contact geometry also has the advantage that sufficient contact forces permanently act on the mating contact element, so that a reliable electrical contact is realized between the contact area of the contact element and the mating contact element.
  • this contact geometry has an undulating course.
  • the undulating course of the resilient contact geometry is symmetrical (viewed in the section of the contact element). This advantageously increases the contact reliability to a significantly greater extent than if contact points of an undulating course of a contact geometry are opposite one another in such a way that one wave crest is fixed and the other wave crest that is opposite is resilient.
  • the contact area is formed by a base part, from which a first resilient contact part extends, and a second fixed base part, from which a second resilient contact part extends, the two base parts being connected to one another via a connecting part oriented perpendicular thereto are.
  • this embodiment has the advantage that such a contact element can be produced quickly, inexpensively and efficiently using a conventional method, such as a stamping and bending method.
  • a significantly improved contact geometry compared to the state of the art can be achieved by forming two fixed base parts, on each of which a resilient contact part protrudes, and the two base parts are connected to one another via a connecting part oriented perpendicular thereto.
  • an angled area is provided at one end of the second base part. With this angled area, the contact element is fixed at least once in the contact chamber of the connector when it has been moved into, in particular pushed into it. As a result, the assembly of such an improved connector can also be further improved.
  • FIGS. 1 and 2 show, as far as shown in detail, a contact element 1 for a connector.
  • a contact element 1 is produced from an electrically conductive material, for example in a stamping and bending process from a flat starting material.
  • the contact element 1 has a crimping area 2 with which it is attached to an electrical conductor of a line.
  • the outer jacket of the line is passed between two wings 3, which are bent over after the electrical conductor has been fixed in the crimping area 2 in order to create strain relief in this way.
  • the crimping area 2 it is conceivable not to make electrical contact with the electrical conductor, or not only by a mechanical crimping process, but also by other methods, such as soldering, for example.
  • the wings 3 for the purpose of strain relief can, but need not be present.
  • the contact element 1 has a contact area 4 which is designed as follows.
  • first base part 5 which, in its axial extension, can, but does not have to, have slots that are transverse thereto.
  • first resilient contact part 6 is implemented, for example, by a bending process.
  • second fixed base part 7 is present.
  • second resilient contact part 8 is provided on the second stationary base part 7.
  • the second fixed base part 7 can also have in its axial course at least one or more transversely aligned slots.
  • Both the first base part 5 and the second base part 7 are thus designed to be fixed to one another, also with regard to the entire contact element 1, since they are connected to one another via a vertically aligned connecting part 9.
  • the two contact parts 6, 8 are designed to be resilient in that their one end extends from the first base part 5 and the second base part 7 into the interior of the contact area 4. This extension is realized in that a tab-shaped structure is bent over by approximately 180 ° from the base parts 5, 7, so that the contact parts 6, 8 are thereby created.
  • the respective free end of the contact parts 6, 8 can be limited by the associated areas of the fixed base parts 5, 7.
  • the two contact parts 6, 8 are designed in a wave-like manner, with this configuration in each case resulting in two wave crests which each form a contact point 10 for the mating contact element.
  • One base part namely the second base part 7, also has an angled area 11 in its one end area.
  • This area 11 forms a type of latching lug with which the contact element 1 is fixed in a contact chamber, not shown, in a connector, also not shown.
  • FIG 2 shows in section the contact area 4 according to Figure 1 , a contact pin 12 being shown schematically as a mating contact element.
  • this contact pin 12 is present within the entire contact area 4 and is electrically contacted due to the contact points 10. If the mating contact element, in particular the contact pin 12, has come to rest in the contact area 4 between the contact points 10, then Due to the wave-shaped geometry and the resilient design of the contact parts 6, 8, their free end regions come into contact with a stop 13 on the first fixed base part 5 and with a stop 14 on the second fixed base part 7. On the one hand, this increases the contact forces when the mating contact element, in particular the contact pin 12, is located completely in the contact area 4.
  • the mating contact element is preferably located completely in the contact area 4 when its free end reaches the second (when viewing the Figure 2 has passed over the right wave crest with the associated contact points 10). This means that, for example, when looking at the contact pin Figure 2 is introduced from left to right into the contact area 4 and initially the first, that is, when looking at the Figure 2 the left contact point 10 sweeps over. If it is introduced further into the contact area 4, it also passes over the right contact point 10, whereby at the beginning of the introduction of the contact element into the contact area 4, the free ends of the two contact parts 6, 8 did not yet come to rest on the stops 13, 14.
  • the contact element according to the invention is characterized on the one hand by the fact that it has a crimping area with which it is attached to the electrical conductor of the line.
  • the contact element according to the invention has a contact geometry for a mating contact element, this contact geometry being present twice.
  • This contact geometry in particular for a contact pin as a mating contact element, has a wave-shaped profile, the wave shape being selected so that two wave crests point in the direction of the mating contact element, in particular the contact pin, and these wave crests therefore rest on the mating contact element.
  • a latching element is formed by the contact area with which the contact element in the contact chamber of the Connector is arranged latching.
  • the two mutually facing contact lugs of the contact element which have the wave shape, are arranged pointing from the insertion area of the mating contact element in the plug-in direction backwards in the direction of the crimping area and run approximately parallel to each other.
  • Above one end of the contact tab there is an angled area which forms the latching lug for latching the contact element in the contact chamber of the connector.
  • the entire contact element consists of an electrically conductive material, for example a corresponding sheet metal material, which is initially designed flat and is fed to a stamping-bending process so that the entire contact element can be produced in one piece with the help of the stamping-bending process.
  • an electrically conductive material for example a corresponding sheet metal material
  • stamping-bending process so that the entire contact element can be produced in one piece with the help of the stamping-bending process.

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  • Coupling Device And Connection With Printed Circuit (AREA)

Description

Die Erfindung betrifft ein Kontaktelement für einen Steckverbinder.The invention relates to a contact element for a connector.

Ausgangspunkt als Stand der Technik ist die DE 10 2006 053 152 B3 . US 4 472 017 A offenbart die Merkmale des Oberbegriffes des Anspruchs 1. Das Kontaktelement aus diesem bekannten Stand der Technik weist zwar auch ein erstes Basisteil auf, jedoch ist dieses Basisteil mit zwei Wellenbergen versehen. Dem ersten Basisteil ist ein zweites Basisteil, ebenfalls mit zwei Wellenbergen, zugeordnet. An diesem zweiten Basisteil ist eine Rastfeder-Materiallage angefügt, mit der das Kontaktelement in einer Kontaktkammer eines Steckverbinders festgelegt wird. Insgesamt bietet das aus diesem Stand der Technik bekannte Kontaktelement zwar einen Aufbau, der hinsichtlich der Montage und der Kontaktsicherheit ausreichend, jedoch verbesserungsfähig ist.The starting point as the state of the art is DE 10 2006 053 152 B3 . U.S. 4,472,017 A discloses the features of the preamble of claim 1. Although the contact element from this known prior art also has a first base part, this base part is provided with two wave crests. A second base part, also with two wave crests, is assigned to the first base part. A detent spring material layer is attached to this second base part, with which the contact element is fixed in a contact chamber of a connector. Overall, the contact element known from this prior art offers a structure that is sufficient in terms of assembly and contact reliability, but can be improved.

Demgegenüber ist es Aufgabe der Erfindung, ein verbessertes Kontaktelement für eine Steckverbindung bereitzustellen.In contrast, the object of the invention is to provide an improved contact element for a plug connection.

Grundsätzlich ist ein Steckverbinder derart aufgebaut, dass er ein Gehäuse aufweist, das zumindest eine, meistens mehrere Kontaktkammern aufweist. In diese Kontaktkammern werden Kontaktelemente eingesetzt und in dieser Kontaktkammer einmal, oftmals auch zweifach verrastet. Das Kontaktelement selber ist am Ende einer elektrischen Leitung angeordnet, wobei ein elektrischer Leiter der Leitung mit dem Kontaktelement elektrisch kontaktiert ist, zum Beispiel durch Verlöten, Vercrimpen oder dergleichen.Basically, a plug connector is constructed in such a way that it has a housing which has at least one, usually several contact chambers. Contact elements are inserted into these contact chambers and locked once, often twice, in this contact chamber. The contact element itself is arranged at the end of an electrical line, an electrical conductor of the line being in electrical contact with the contact element, for example by soldering, crimping or the like.

Diese Aufgabe ist durch die Merkmale des Patentanspruches 1 gelöst.This object is achieved by the features of claim 1.

Erfindungsgemäß ist vorgesehen, dass in einem Kontaktbereich das Kontaktelement eine federnde Kontaktgeometrie für ein Gegenkontaktelement aufweist, wobei diese Kontaktgeometrie doppelt vorhanden ist. Dadurch wird zum einen der Kräfteaufwand, der erforderlich ist, um das Gegenkontaktelement in den Kontaktbereich einzuführen, verringert, weil beide Kontaktgeometrien federnd ausgebildet sind. Diese federnde Ausbildung der Kontaktgeometrie hat darüber hinaus den Vorteil, dass dauerhaft ausreichende Kontaktkräfte auf das Gegenkontaktelement wirken, sodass ein zuverlässiger elektrischer Kontakt zwischen dem Kontaktbereich des Kontaktelementes und dem Gegenkontaktelement realisiert ist.According to the invention, it is provided that the contact element has a resilient contact geometry for a counter-contact element in a contact area, this contact geometry being present twice. As a result, on the one hand, the expenditure of force which is required to introduce the counter-contact element into the contact area is reduced because both contact geometries are designed to be resilient. This resilient design of the contact geometry also has the advantage that sufficient contact forces permanently act on the mating contact element, so that a reliable electrical contact is realized between the contact area of the contact element and the mating contact element.

In Weiterbildung der Erfindung weist diese Kontaktgeometrie einen wellenförmigen Verlauf auf. In besonders vorteilhafter Weise ist der wellenförmige Verlauf der federnden Kontaktgeometrie symmetrisch (im Schnitt des Kontaktelementes betrachtet) ausgebildet. Dadurch erhöht sich in vorteilhafter Weise die Kontaktsicherheit in einem deutlich größeren Maße, als wenn sich Kontaktpunkte eines wellenförmigen Verlaufes einer Kontaktgeometrie in der Art und Weise gegenüberstehen, dass der eine Wellenberg fest und der andere Wellenberg, der gegenüber liegt, federnd ausgebildet ist.In a further development of the invention, this contact geometry has an undulating course. In a particularly advantageous manner, the undulating course of the resilient contact geometry is symmetrical (viewed in the section of the contact element). This advantageously increases the contact reliability to a significantly greater extent than if contact points of an undulating course of a contact geometry are opposite one another in such a way that one wave crest is fixed and the other wave crest that is opposite is resilient.

In Weiterbildung der Erfindung ist vorgesehen, dass der Kontaktbereich gebildet ist von einem Basisteil, von dem ein erster federnder Kontaktteil ausgeht, sowie einem zweiten feststehenden Basisteil, von dem ein zweiter federnder Kontaktteil ausgeht, wobei die beiden Basisteile über ein senkrecht dazu ausgerichtetes Verbindungsteil miteinander verbunden sind. Diese Ausgestaltung hat einerseits den Vorteil, dass ein solches Kontaktelement in einem üblichen Verfahren, wie zum Beispiel einem Stanz-Biege-Verfahren, schnell, kostengünstig und rationell hergestellt werden kann. Gleichzeitig lässt sich damit eine gegenüber dem Stand der Technik deutlich verbesserte Kontaktgeometrie realisieren, indem zwei feststehende Basisteile ausgebildet werden, an denen jeweils ein federnder Kontaktteil absteht, und die beiden Basisteile über ein senkrecht dazu ausgerichtetes Verbindungsteil miteinander verbunden sind.In a further development of the invention it is provided that the contact area is formed by a base part, from which a first resilient contact part extends, and a second fixed base part, from which a second resilient contact part extends, the two base parts being connected to one another via a connecting part oriented perpendicular thereto are. On the one hand, this embodiment has the advantage that such a contact element can be produced quickly, inexpensively and efficiently using a conventional method, such as a stamping and bending method. At the same time, a significantly improved contact geometry compared to the state of the art can be achieved by forming two fixed base parts, on each of which a resilient contact part protrudes, and the two base parts are connected to one another via a connecting part oriented perpendicular thereto.

In Weiterbildung der Erfindung ist an einem Ende des zweiten Basisteiles ein abgewinkelter Bereich vorgesehen. Mit diesem abgewinkelten Bereich wird das Kontaktelement zumindest einmal in der Kontaktkammer des Steckverbinders festgelegt, wenn es dort hineinbewegt, insbesondere hineingeschoben wurde. Dadurch lässt sich die Montage eines solchen verbesserten Steckverbinders auch weiterhin verbessern.In a further development of the invention, an angled area is provided at one end of the second base part. With this angled area, the contact element is fixed at least once in the contact chamber of the connector when it has been moved into, in particular pushed into it. As a result, the assembly of such an improved connector can also be further improved.

Im Folgenden wird die Erfindung anhand eines Ausführungsbeispieles näher erläutert.The invention is explained in more detail below using an exemplary embodiment.

Die Figuren 1 und 2 zeigen, soweit im Einzelnen dargestellt, ein Kontaktelement 1 für einen Steckverbinder. Ein solches Kontaktelement 1 wird aus einem elektrisch leitenden Material zum Beispiel in einem Stanz-Biege-Verfahren aus einem flächigen Ausgangsmaterial hergestellt.The Figures 1 and 2 show, as far as shown in detail, a contact element 1 for a connector. Such a contact element 1 is produced from an electrically conductive material, for example in a stamping and bending process from a flat starting material.

Das Kontaktelement 1 weist einen Crimpbereich 2 auf, mit dem es an einem elektrischen Leiter einer Leitung angeschlagen wird. Der äußere Mantel der Leitung wird zwischen zwei Flügeln 3 hindurchgeführt, die nach der Festlegung des elektrischen Leiters im Crimpbereich 2 umgebogen werden, um auf diese Art und Weise eine Zugentlastung zu schaffen. Anstelle des Crimpbereiches 2 ist es denkbar, den elektrischen Leiter nicht oder nicht nur durch einen mechanischen Crimpvorgang, sondern auch durch andere Methoden, wie zum Beispiel durch Löten, mit dem Kontaktelement elektrisch zu kontaktieren. Die Flügel 3 zwecks Zugentlastung können, müssen aber nicht vorhanden sein.The contact element 1 has a crimping area 2 with which it is attached to an electrical conductor of a line. The outer jacket of the line is passed between two wings 3, which are bent over after the electrical conductor has been fixed in the crimping area 2 in order to create strain relief in this way. Instead of the crimping area 2, it is conceivable not to make electrical contact with the electrical conductor, or not only by a mechanical crimping process, but also by other methods, such as soldering, for example. The wings 3 for the purpose of strain relief can, but need not be present.

Das Kontaktelement 1 weist einen Kontaktbereich 4 auf, der wie folgt gestaltet ist.The contact element 1 has a contact area 4 which is designed as follows.

Ausgehend von dem Crimpbereich 2 ist ein feststehendes erstes Basisteil 5 vorhanden, welches in seiner axialen Erstreckung dazu querliegende Schlitze aufweisen kann, aber nicht muss. Ausgehend von dem ersten Basisteil 5 (genauer an dem dem Crimpbereich abgewandten Ende) ist ein erstes federndes Kontaktteil 6 vorhanden. Dieses erste federnde Kontaktteil 6 wird zum Beispiel durch einen Umbiegevorgang realisiert. Weiterhin ist ein zweites feststehendes Basisteil 7 vorhanden. An dem zweiten feststehenden Basisteil 7 ist einerseits ein zweites federndes Kontaktteil 8 vorgesehen. Auch das zweite feststehende Basisteil 7 kann in seinem axialen Verlauf zumindest einen oder mehrere quer dazu ausgerichtete Schlitze aufweisen.Starting from the crimping area 2, there is a fixed first base part 5 which, in its axial extension, can, but does not have to, have slots that are transverse thereto. Starting from the first base part 5 (more precisely at the end facing away from the crimping area) there is a first resilient contact part 6. This first resilient contact part 6 is implemented, for example, by a bending process. Furthermore, a second fixed base part 7 is present. On the one hand, a second resilient contact part 8 is provided on the second stationary base part 7. The second fixed base part 7 can also have in its axial course at least one or more transversely aligned slots.

Sowohl das erste Basisteil 5 als auch das zweite Basisteil 7 sind dadurch zueinander feststehend ausgebildet, auch bezüglich des gesamten Kontaktelementes 1, da sie über ein senkrecht ausgerichtetes Verbindungsteil 9 miteinander verbunden sind.Both the first base part 5 and the second base part 7 are thus designed to be fixed to one another, also with regard to the entire contact element 1, since they are connected to one another via a vertically aligned connecting part 9.

Die beiden Kontaktteile 6, 8 sind dadurch federnd ausgebildet, dass sie mit ihrem einen Ende sich ausgehend von dem ersten Basisteil 5 bzw. dem zweiten Basisteil 7 in das Innere des Kontaktbereiches 4 hinein erstrecken. Diese Erstreckung wird dadurch realisiert, dass ein laschenförmiges Gebilde von den Basisteilen 5, 7 in etwa um 180° umgebogen wird, sodass dadurch die Kontaktteile 6, 8 entstehen. Das jeweilige freie Ende der Kontaktteile 6, 8 kann durch die zugehörigen Bereiche der feststehenden Basisteile 5, 7 begrenzt werden.The two contact parts 6, 8 are designed to be resilient in that their one end extends from the first base part 5 and the second base part 7 into the interior of the contact area 4. This extension is realized in that a tab-shaped structure is bent over by approximately 180 ° from the base parts 5, 7, so that the contact parts 6, 8 are thereby created. The respective free end of the contact parts 6, 8 can be limited by the associated areas of the fixed base parts 5, 7.

Die beiden Kontaktteile 6, 8 sind wellenförmig gestaltet, wobei aufgrund dieser Gestaltung jeweils zwei Wellenberge entstehen, die jeweils eine Kontaktstelle 10 für das Gegenkontaktelement bilden.The two contact parts 6, 8 are designed in a wave-like manner, with this configuration in each case resulting in two wave crests which each form a contact point 10 for the mating contact element.

Das eine Basisteil, nämlich das zweite Basisteil 7, weist in seinem einen Endbereich noch einen abgewinkelten Bereich 11 auf. Durch diesen Bereich 11 wird eine Art Rastnase gebildet, mit der das Kontaktelement 1 in einer nicht dargestellten Kontaktkammer in einem ebenfalls nicht dargestellten Steckverbinder festgelegt wird.One base part, namely the second base part 7, also has an angled area 11 in its one end area. This area 11 forms a type of latching lug with which the contact element 1 is fixed in a contact chamber, not shown, in a connector, also not shown.

In Figur 1 ist abstehend von dem abgewinkelten Bereich 11 ein Vorsprung vorgesehen, der in eine Öffnung des Verbindungsteiles 9 eingreift. Dadurch wird die Bewegung des abgewinkelten Bereiches 11, der ebenfalls federnd ausgehend von dem zweiten feststehenden Basisteil 7 angeordnet ist, definiert begrenzt.In Figure 1 a projection is provided protruding from the angled area 11 which engages in an opening of the connecting part 9. As a result, the movement of the angled area 11, which is also arranged resiliently starting from the second fixed base part 7, is limited in a defined manner.

Figur 2 zeigt im Schnitt den Kontaktbereich 4 gemäß Figur 1, wobei schematisch als Gegenkontaktelement ein Kontaktstift 12 dargestellt ist. Im endmontierten Zustand einer Steckverbindung ist dieser Kontaktstift 12 innerhalb des gesamten Kontaktbereiches 4 vorhanden und wird elektrisch aufgrund der Kontaktstellen 10 kontaktiert. Ist das Gegenkontaktelement, insbesondere der Kontaktstift 12, im Kontaktbereich 4 zwischen den Kontaktstellen 10 zur Anlage gekommen, wird aufgrund der wellenförmigen Geometrie und der federnden Ausgestaltung der Kontaktteile 6, 8 bewirkt, dass diese mit ihren freien Endbereichen zum einen an einem Anschlag 13 an dem ersten feststehenden Basisteil 5 und zum anderen an einem Anschlag 14 des zweiten feststehenden Basisteiles 7 zur Anlage kommen. Dadurch erhöhen sich zum Einen die Kontaktkräfte, wenn das Gegenkontaktelement, insbesondere der Kontaktstift 12, sich vollständig im Kontaktbereich 4 befindet. Das Gegenkontaktelement befindet sich vorzugsweise dann vollständig in dem Kontaktbereich 4, wenn sein freies Ende den zweiten (bei Betrachtung der Figur 2 den rechten Wellenberg mit den zugehörigen Kontaktstellen 10) überstrichen hat. Das bedeutet, dass beispielsweise der Kontaktstift bei Betrachtung der Figur 2 von links nach rechts in den Kontaktbereich 4 eingeführt wird und zunächst die erste, das heißt bei Betrachtung der Figur 2 die linke Kontaktstelle 10 überstreicht. Wird es weiter in den Kontaktbereich 4 eingeführt, überstreicht es auch die rechte Kontaktstelle 10, wobei zu Beginn des Einführens des Kontaktelementes in den Kontaktbereich 4 die freien Enden der beiden Kontaktteile 6, 8 noch nicht an den Anschlägen 13, 14 zur Anlage kamen. Erst wenn die beiden Kontaktstellen 10 überstrichen worden sind und das Gegenkontaktelement (Kontaktstift 12) seine Endlage erreicht hat, werden die freien Enden der beiden Kontaktteile 6, 8 gegen die Anschläge 13, 14 gedrückt, was bewirkt, dass zunächst während des Einführens des Gegenkontaktelementes in den Kontaktbereich 4 die Kräfte geringer waren als sie weiterhin danach nötig sind, um das Gegenkontaktelement in seine Endposition zu bringen. Dadurch wird das Gegenkontaktelement nicht nur verbessert dauerhaft kontaktiert, sondern auch verbessert mechanisch in dem Kontaktbereich 4 festgelegt. Figure 2 shows in section the contact area 4 according to Figure 1 , a contact pin 12 being shown schematically as a mating contact element. In the final assembled state of a plug connection, this contact pin 12 is present within the entire contact area 4 and is electrically contacted due to the contact points 10. If the mating contact element, in particular the contact pin 12, has come to rest in the contact area 4 between the contact points 10, then Due to the wave-shaped geometry and the resilient design of the contact parts 6, 8, their free end regions come into contact with a stop 13 on the first fixed base part 5 and with a stop 14 on the second fixed base part 7. On the one hand, this increases the contact forces when the mating contact element, in particular the contact pin 12, is located completely in the contact area 4. The mating contact element is preferably located completely in the contact area 4 when its free end reaches the second (when viewing the Figure 2 has passed over the right wave crest with the associated contact points 10). This means that, for example, when looking at the contact pin Figure 2 is introduced from left to right into the contact area 4 and initially the first, that is, when looking at the Figure 2 the left contact point 10 sweeps over. If it is introduced further into the contact area 4, it also passes over the right contact point 10, whereby at the beginning of the introduction of the contact element into the contact area 4, the free ends of the two contact parts 6, 8 did not yet come to rest on the stops 13, 14. Only when the two contact points 10 have been swept over and the mating contact element (contact pin 12) has reached its end position are the free ends of the two contact parts 6, 8 pressed against the stops 13, 14, which means that initially during the insertion of the mating contact element in the contact area 4 the forces were lower than they are still necessary afterwards to bring the mating contact element into its end position. As a result, the mating contact element is not only permanently contacted in an improved manner, but also mechanically fixed in the contact area 4 in an improved manner.

Das erfindungsgemäße Kontaktelement zeichnet sich mit anderen Worten zum Einen dadurch aus, dass es einen Crimpbereich aufweist, mit dem es an dem elektrischen Leiter der Leitung angeschlagen wird. Im Kontaktbereich weist das erfindungsgemäße Kontaktelement eine Kontaktgeometrie für ein Gegenkontaktelement auf, wobei diese Kontaktgeometrie doppelt vorhanden ist. Diese Kontaktgeometrie, insbesondere für einen Kontaktstift als Gegenkontaktelement weist einen wellenförmigen Verlauf auf, wobei die Wellenform so gewählt ist, dass zwei Wellenberge in Richtung des Gegenkontaktelementes, insbesondere des Kontaktstiftes, weisen und somit diese Wellenberge an dem Gegenkontaktelement anliegen. Gleichzeitig wird von dem Kontaktbereich ein Rastelement gebildet, mit dem das Kontaktelement in der Kontaktkammer des Steckverbinders rastend angeordnet wird. Die beiden zueinander weisenden Kontaktfahnen des Kontaktelementes, die die Wellenform aufweisen, sind vom Einführbereich des Gegenkontaktelementes in Steckrichtung nach hinten in Richtung des Crimpbereiches weisend angeordnet und in etwa parallel zueinander verlaufend. Oberhalb des einen Endes der Kontaktfahne befindet sich ein abgewinkelter Bereich, der die Rastnase zur Verrastung des Kontaktelementes in der Kontaktkammer des Steckverbinders bildet.In other words, the contact element according to the invention is characterized on the one hand by the fact that it has a crimping area with which it is attached to the electrical conductor of the line. In the contact area, the contact element according to the invention has a contact geometry for a mating contact element, this contact geometry being present twice. This contact geometry, in particular for a contact pin as a mating contact element, has a wave-shaped profile, the wave shape being selected so that two wave crests point in the direction of the mating contact element, in particular the contact pin, and these wave crests therefore rest on the mating contact element. At the same time, a latching element is formed by the contact area with which the contact element in the contact chamber of the Connector is arranged latching. The two mutually facing contact lugs of the contact element, which have the wave shape, are arranged pointing from the insertion area of the mating contact element in the plug-in direction backwards in the direction of the crimping area and run approximately parallel to each other. Above one end of the contact tab there is an angled area which forms the latching lug for latching the contact element in the contact chamber of the connector.

Das gesamte Kontaktelement besteht aus einem elektrisch leitfähigen Material, zum Beispiel einem entsprechenden Blechmaterial, welches zunächst flächig gestaltet ist und einem Stanz-Biege-Verfahren zugeführt wird, so dass das gesamte Kontaktelement einstückig mit Hilfe des Stanz-Biege-Verfahrens hergestellt werden kann. Alternativ dazu ist es denkbar, insbesondere die Kontaktfahnen und / oder den Rastbereich als separate Elemente auszubilden, die entsprechend nach ihrer Herstellung zu einem einteiligen Kontaktelement zusammengefügt werden.The entire contact element consists of an electrically conductive material, for example a corresponding sheet metal material, which is initially designed flat and is fed to a stamping-bending process so that the entire contact element can be produced in one piece with the help of the stamping-bending process. As an alternative to this, it is conceivable, in particular, to design the contact tabs and / or the latching area as separate elements, which are joined together to form a one-piece contact element after their manufacture.

Bezugszeichenliste:List of reference symbols:

1.1.
KontaktelementContact element
2.2.
CrimpbereichCrimping area
3.3.
Flügelwing
4.4th
KontaktbereichContact area
5.5.
BasisteilBase part
6.6th
Erster KontaktteilFirst contact part
7.7th
Zweites BasisteilSecond basic part
8.8th.
Zweiter KontaktteilSecond contact part
9.9.
VerbindungsteilConnecting part
10.10.
KontaktstelleContact point
11.11.
Abgewinkelter BereichAngled area
12.12.
KontaktstiftContact pin
13.13.
Anschlagattack
14.14th
Anschlagattack

Claims (1)

  1. Contact element (1) for a plug-in connector, which contact element has a crimp region (2) by way of which it is attached to an electrical conductor of a line, wherein the contact element (1) has a spring-action double contact geometry for a mating contact element in a contact region (4) in such a way that the contact region (4) is formed by a base part (5) from which a first spring-action contact part (6) originates and also a second stationary base part (7) from which a second spring-action contact part (8) originates, wherein the two base parts (5, 7) are connected to one another by means of a connecting part (9) which is oriented perpendicular thereto, characterized in that a stop (13) is provided on the first stationary base part (5) and a stop (14) is provided on the second stationary base part (7), wherein the contact parts (6, 8) come to bear against the stops (13, 14) by way of their free end regions when the mating contact element is inserted into the contact element (1), and the two contact parts (6, 8) are designed in a wave-like manner, wherein in each case two wave crests, which each form a contact point (1) for the mating contact element, are produced on account of this design.
EP14185363.0A 2013-09-18 2014-09-18 Contact element for a plug connector Active EP2852003B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013218685 2013-09-18

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EP2852003A1 EP2852003A1 (en) 2015-03-25
EP2852003B1 true EP2852003B1 (en) 2020-11-04

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EP14185363.0A Active EP2852003B1 (en) 2013-09-18 2014-09-18 Contact element for a plug connector

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EP (1) EP2852003B1 (en)
DE (1) DE102014113490A1 (en)
ES (1) ES2832599T3 (en)

Families Citing this family (8)

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Publication number Priority date Publication date Assignee Title
DE102015201381A1 (en) * 2014-01-27 2015-07-30 Hirschmann Automotive Gmbh contact element
CN106025593B (en) * 2016-05-12 2024-05-28 上海友邦电气(集团)股份有限公司 Quick-inserting structure
DE102016221351A1 (en) * 2016-10-28 2018-05-03 Te Connectivity Germany Gmbh Flat contact socket with extension arm
DE102016123163B4 (en) * 2016-11-30 2023-08-31 Lear Corporation Electrical connection socket
DE102018106646A1 (en) 2017-03-22 2018-09-27 Hirschmann Automotive Gmbh Contact element for a connector
FR3072833B1 (en) * 2017-10-19 2020-09-11 Delphi Int Operations Luxembourg Sarl FEMALE ELECTRIC CONTACT CAGE
CN111430966B (en) * 2020-03-20 2021-07-20 番禺得意精密电子工业有限公司 Electric connector and connecting terminal
CN114156671A (en) * 2021-12-02 2022-03-08 长春捷翼汽车零部件有限公司 Metal reed structure and electric connector

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Publication number Priority date Publication date Assignee Title
US4472017A (en) * 1983-04-01 1984-09-18 Essex Group, Inc. Tab receptacle terminal

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Publication number Priority date Publication date Assignee Title
DE102005033696B4 (en) * 2004-07-29 2023-06-22 Te Connectivity Germany Gmbh contact element
DE102004052378B4 (en) * 2004-10-28 2008-06-19 Kostal Kontakt Systeme Gmbh Electrical connector for a motor vehicle
DE102006053152B3 (en) 2006-11-10 2008-04-10 Tyco Electronics Amp Gmbh Electric socket contact used in electrical connection of electrical contact of e.g. electrical equipment, motor vehicle, has contact box provided with latches or clips for firmly connecting material layers of contact spring and catch spring

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US4472017A (en) * 1983-04-01 1984-09-18 Essex Group, Inc. Tab receptacle terminal

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DE102014113490A1 (en) 2015-03-19
ES2832599T3 (en) 2021-06-10

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