EP1401056A1 - Socket of an electrical connection - Google Patents

Socket of an electrical connection Download PDF

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Publication number
EP1401056A1
EP1401056A1 EP03020659A EP03020659A EP1401056A1 EP 1401056 A1 EP1401056 A1 EP 1401056A1 EP 03020659 A EP03020659 A EP 03020659A EP 03020659 A EP03020659 A EP 03020659A EP 1401056 A1 EP1401056 A1 EP 1401056A1
Authority
EP
European Patent Office
Prior art keywords
plug
area
contact
receiving part
curvature
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP03020659A
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German (de)
French (fr)
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EP1401056B1 (en
Inventor
Oliver Dobler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Neutrik AG
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Neutrik AG
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Publication date
Application filed by Neutrik AG filed Critical Neutrik AG
Publication of EP1401056A1 publication Critical patent/EP1401056A1/en
Application granted granted Critical
Publication of EP1401056B1 publication Critical patent/EP1401056B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/04Pins or blades for co-operation with sockets
    • H01R13/05Resilient pins or blades
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/15Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/17Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member on the pin
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/26Pin or blade contacts for sliding co-operation on one side only
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00Coupling parts supported only by co-operation with counterpart
    • H01R31/06Intermediate parts for linking two coupling parts, e.g. adapter

Definitions

  • the invention relates to a plug receiving part of an electrical connector, especially for audio applications, with a central recording room, which of an intermediate wall with an inside and an outside is limited, and an annular surrounding the partition Recording space, both receiving spaces having insertion openings and Plug contacts both on the inside and on the outside of the partition are arranged, which have a metallic strip-shaped body own, the one fastening area and one protruding from the fastening area free arm with a contact area at its free end and one resilient lying between the contact area and the fastening area Area.
  • the invention relates to an electrical connector of two connectors, one of which as a connector receptacle and the is designed as a plug-in part, wherein contacts are arranged in the plug connectors are.
  • Connector receptacles of the type mentioned are usually used for audio applications, especially as a loudspeaker plug, sometimes also as a plug used for the power supply of electrical devices.
  • Connector receptacles of electrical Plug connections must have relatively high currents of more than 10 amps, mostly up to 50 amps, can be transmitted, with low contact resistances are important. It is therefore from the connector contacts of such connector receptacles on the one hand very good conductivity, on the other hand good spring properties required so that the plug contact with sufficient force his counter contact is pressed.
  • the object of the invention is a connector receptacle of the aforementioned Provide type in which an electrical connector with an extreme low contact resistance is made possible.
  • the goal was a transition resistance set from 2 to 3 milliohms. This goal should be without a plug contact riveted part can be obtained from a particularly good conductive material.
  • the spring properties of the Plug contact positively influenced. There is a significant stiffening of the free arm protruding from the fastening area, whereby the spring properties about the expansion of the spring section through the course of the Curvature and the trough and the changing curvature of the cross section of the resilient area can change in a predetermined manner.
  • the plug contact is preferably made of copper or a copper alloy manufactured, for example punched.
  • the curvature guarantees a good starting slope in all directions when making contact.
  • the spring properties of the plug contact can be controlled precisely. This means that highly conductive material can be used where there is both a very good conductivity and a small sheet resistance the plug contact as well as a high spring force or due to the high Contact pressure a small contact resistance of the connector result.
  • the connector consists in the usual way of a connector receptacle 1 and a plug part 2.
  • the plug part 2 is in the plug receiving part 1 insertable and in this by a quick release coupling, for example lockable in the manner of a bayonet catch.
  • the connector receiving part 1 has a central receiving space, which of an intermediate wall 13 is delimited with an inside and an outside, and an annular receiving space surrounding the intermediate wall 13, wherein both receiving spaces have insertion openings 15.
  • Both at the Inside as well as on the outside of the intermediate wall 13 are plug contacts 3 arranged, which for contacting mating contacts 4 in the plug-in part 2 serve.
  • the counter contacts 4 can be cylindrical in a conventional manner be formed, as can be seen from FIGS. 2, 4 and 5.
  • the counter contacts 4 are on a central pin 5 and on a wall 6 of the plug-in part 2 arranged.
  • the middle pin 5 and the wall 6 are through the insertion openings 15 in the central receiving space and the annular receiving space the plug receiving part 1 insertable.
  • Plug contacts 3 arranged, which are located on the intermediate wall 13 and in Cross shape are arranged.
  • the plug contacts 3 are in the vicinity of the bottom 14 on the intermediate wall 13 attached and their free ends with the contact areas 9 point to the insertion openings 15 of the connector receiving part 1 down.
  • the design of the plug contacts 3 according to the invention is in particular from 6 to 17 can be seen.
  • the plug contacts 3 have a fastening area 7, one of which is free Arm protrudes, which forms a resilient area 8 (which approximately at the location of the in Fig. 10 section DD begins) and in the area thereof Tip of the contact area 9 is formed.
  • the free arm of the plug contact 3 is designed like a spoon, whereby the spoon-like depression extends over the contact area 9 and over at least a part, preferably a large part, of the resilient Area 8 extends.
  • the spring properties of the Plug contact 3 in the resilient area 8 significantly improved (with increase the spring constant or stiffening of the protruding from the fastening area free arm), but the conductivity remains unaffected.
  • An inventive plug contact 3 can be made of copper or a copper alloy, making the good conductivity properties of the material can be used and yet one sufficient spring force is achieved, which the contact area 9 to the counter contacts 4 presses in plug part 2.
  • Connector receptacle parts according to the invention are particularly suitable for high-current applications, where, for example, currents of up to 50 amperes must be directed.
  • plug contacts according to the invention advantageously used in electrical connectors for audio applications become.
  • An example of this are so-called speaker plugs for connection of loudspeakers with loudspeaker cables or of loudspeaker cables with amplifier outputs.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

A contact region has a convex portion that extends from the contact region to a sprung region. A corresponding depression is formed in the side of a strip-shaped body opposite the convex portion. The sprung region of the strip-shaped body has a curved cross-section in the region of the convex/concave portions. An Independent claim is included for an electrical connector for audio applications.

Description

Die Erfindung bezieht sich auf ein Steckeraufnahmeteil einer elektrischen Steckverbindung, insbesondere für Audioanwendungen, mit einem zentralen Aufnahmeraum, welcher von einer Zwischenwand mit einer Innenseite und einer Außenseite begrenzt wird, und einem die Zwischenwand umgebenden kreisringförmigen Aufnahmeraum, wobei beide Aufnahmeräume Einstecköffnungen aufweisen und sowohl an der Innenseite als auch an der Außenseite der Zwischenwand Steckerkontakte angeordnet sind, welche einen metallischen streifenförmigen Körper besitzen, der einen Befestigungsbereich und einen vom Befestigungsbereich abstehenden freien Arm mit einem Kontaktbereich an seinem freien Ende und einem zwischen dem Kontaktbereich und dem Befestigungsbereich liegenden federnden Bereich aufweist.The invention relates to a plug receiving part of an electrical connector, especially for audio applications, with a central recording room, which of an intermediate wall with an inside and an outside is limited, and an annular surrounding the partition Recording space, both receiving spaces having insertion openings and Plug contacts both on the inside and on the outside of the partition are arranged, which have a metallic strip-shaped body own, the one fastening area and one protruding from the fastening area free arm with a contact area at its free end and one resilient lying between the contact area and the fastening area Area.

Weiters bezieht sich die Erfindung auf eine elektrische Steckverbindung bestehend aus zwei Steckverbindern, von denen einer als Steckeraufnahmeteil und der andere als Steckteil ausgeführt ist, wobei in den Steckverbindern Kontakte angeordnet sind.Furthermore, the invention relates to an electrical connector of two connectors, one of which as a connector receptacle and the is designed as a plug-in part, wherein contacts are arranged in the plug connectors are.

Steckeraufnahmeteile der eingangs genannten Art werden üblicherweise für Audioanwendungen, insbesondere als Lautsprecherstecker, teilweise auch als Stecker für die Stromversorgung von elektrischen Geräten eingesetzt. Bei diesen üblichen Anwendungsgebieten solcher Steckeraufnahmeteile von elektrischen Steckverbindungen müssen relativ hohe Ströme von mehr als 10 Ampere, meist bis 50 Ampere, übertragen werden können, wobei niedrige Übergangswiderstände wichtig sind. Es werden daher von den Steckerkontakten derartiger Steckeraufnahmeteile einerseits eine sehr gute Leitungsfähigkeit, andrerseits gute Federeigenschaften verlangt, damit der Steckerkontakt mit ausreichender Kraft an seinen Gegenkontakt gedrückt wird.Connector receptacles of the type mentioned are usually used for audio applications, especially as a loudspeaker plug, sometimes also as a plug used for the power supply of electrical devices. With these usual areas of application of such connector receptacles of electrical Plug connections must have relatively high currents of more than 10 amps, mostly up to 50 amps, can be transmitted, with low contact resistances are important. It is therefore from the connector contacts of such connector receptacles on the one hand very good conductivity, on the other hand good spring properties required so that the plug contact with sufficient force his counter contact is pressed.

Materialien mit guten Federeigenschaften, wie Bronze oder Federstahl, haben eine vergleichsweise weniger gute Leitungsfähigkeit. Andererseits haben gute Leiter, wie z.B. Kupfer, schlechtere Federeigenschaften. Aufgrund dieses Dilemmas wurden für Steckeraufnahmeteile der eingangs genannten Art bereits Steckerkontakte eingesetzt, bei denen ein Kupferteil auf einen Bronzeteil aufgenietet wurde, wodurch man die guten Leiteigenschaften des Kupfers mit den guten Federeigenschaften der Bronze kombinieren wollte. Eine derartige Ausführung eines Steckerkontaktes ist jedoch sehr teuer.Have materials with good spring properties, such as bronze or spring steel a comparatively less good conductivity. On the other hand, have good ones Leaders such as Copper, poorer spring properties. Because of this dilemma were already plug contacts for connector receptacles of the type mentioned used in which a copper part riveted to a bronze part which gives the good conductivity of the copper with the good spring properties who wanted to combine bronze. Such an execution of a However, plug contact is very expensive.

Meist wird daher auf solche aufgenietete Kupferteile im Kontaktbereich des Steckerkontakts verzichtet und die Kontaktbereiche der aus Bronze bestehenden Steckerkontakte sind mit mehreren ausgestanzten Kontaktfahnen ausgebildet, welche die Gegenkontakte kontaktieren. Bei Steckeraufnahmeteilen der eingangs genannten Art mit solchen herkömmlichen Steckerkontakten ohne aufgenietete Kupferteile werden üblicherweise Übergangswiderstände von 5 bis 6 Milliohm erreicht.Most of the time, therefore, riveted copper parts in the contact area of the plug contact dispensed and the contact areas of the bronze Plug contacts are designed with a plurality of punched-out contact lugs, which contact the counter contacts. For connector receptacles at the beginning mentioned type with such conventional plug contacts without riveted Copper parts usually become contact resistances of 5 to 6 milliohms reached.

Aufgabe der Erfindung ist es, ein Steckeraufnahmeteil der eingangs genannten Art bereitzustellen, bei dem eine elektrische Steckverbindung mit einem extrem niedrigen Übergangswiderstand ermöglicht wird. Als Ziel wurde ein Übergangswiderstand von 2 bis 3 Milliohm gesetzt. Dieses Ziel soll ohne ein auf den Steckerkontakt aufgenietetes Teil aus besonders gut leitendem Material erzielt werden.The object of the invention is a connector receptacle of the aforementioned Provide type in which an electrical connector with an extreme low contact resistance is made possible. The goal was a transition resistance set from 2 to 3 milliohms. This goal should be without a plug contact riveted part can be obtained from a particularly good conductive material.

Erfindungsgemäß gelingt dies durch ein Steckeraufnahmeteil einer elektrischen Steckverbindung mit den Merkmalen des Anspruchs 1.According to the invention, this is achieved by a connector receiving part of an electrical one Plug connection with the features of claim 1.

Dadurch, dass sich die Wölbung und die Mulde bzw. Wanne bis in den Federabschnitt des Steckerkontaktes hineinziehen, werden die Federeigenschaften des Steckerkontaktes positiv beeinflusst. Es kommt zu einer deutlichen Versteifung des vom Befestigungsbereich abstehenden freien Armes, wobei sich die Federeigenschaften über die Ausdehnung des Federabschnittes durch den Verlauf der Wölbung und der Mulde und die dabei sich ändernde Krümmung des Querschnitts des federnden Bereichs in vorgegebener Weise ändern können. Der erfindungsgemäße Steckerkontakt ist vorzugsweise aus Kupfer oder einer Kupferlegierung hergestellt, beispielsweise gestanzt.Characterized in that the curvature and the trough or trough up to the spring section of the plug contact, the spring properties of the Plug contact positively influenced. There is a significant stiffening of the free arm protruding from the fastening area, whereby the spring properties about the expansion of the spring section through the course of the Curvature and the trough and the changing curvature of the cross section of the resilient area can change in a predetermined manner. The invention The plug contact is preferably made of copper or a copper alloy manufactured, for example punched.

Die Wölbung garantiert beim Kontaktieren eine gute Anlaufschräge in allen Richtungen.The curvature guarantees a good starting slope in all directions when making contact.

Durch die spezielle dreidimensionale Formgebung des Steckerkontaktes im Feder- und Kontaktbereich können die Federeigenschaften des Steckerkontaktes exakt gesteuert werden. Dadurch kann gut leitendes Material verwendet werden, wobei sich sowohl eine sehr gute Leitfähigkeit bzw. ein kleiner Bahnwiderstand des Steckerkontaktes als auch eine hohe Federkraft bzw. aufgrund des hohen Kontaktdruckes ein kleiner Kontaktübergangswiderstand der Steckverbindung ergeben.Due to the special three-dimensional shape of the plug contact in the spring and contact area can the spring properties of the plug contact can be controlled precisely. This means that highly conductive material can be used where there is both a very good conductivity and a small sheet resistance the plug contact as well as a high spring force or due to the high Contact pressure a small contact resistance of the connector result.

Nachfolgend wird ein Ausführungsbeispiel der Erfindung anhand der Figuren der beiliegenden Zeichnungen eingehend beschrieben. Es zeigen:

Die Fig. 1
einen Schnitt durch eine elektrische Steckverbindung mit einem erfindundungsgemässen Steckeraufnahmeteil, wobei das Steckeraufnahmeteil und das Steckteil auseinandergezogen gezeichnet sind,
die Fig. 2
einen Querschnitt durch ein Steckeraufnahmeteil mit eingesetztem Steckteil, wobei sich das Steckteil in der Einsteckposition befindet;
die Fig. 3
einen Schnitt nach der Linie B-B der Fig. 2;
die Fig. 4
einen Querschnitt durch ein Steckeraufnahmeteil mit eingesetztem Steckteil, wobei sich das Steckteil in der verriegelten Position befindet;
die Fig. 6 und 7
jeweils ein Schaubild eines der Steckerkontakte des erfindungsgemäßen Steckeraufnahmeteils, wobei die Wölbungsseite gezeigt ist,
die Fig. 8 und 9
jeweils ein Schaubild dieses Steckerkontaktes, wobei die Muldenseite gezeigt ist;
die Fig. 10
eine Draufsicht auf diesen Steckerkontakt;
die Fig. 11
einen Schnitt nach der Linie E-E der Fig. 10;
die Fig. 12
eine Seitenansicht des Steckerkontaktes;
die Fig. 13 bis 16
die Querschnitte nach den Linien A-A, B-B, C-C und D-D der Fig. 10 und
die Fig. 17
eine muldenseitige Draufsicht auf den Steckerkontakt.
An exemplary embodiment of the invention is described in detail below with reference to the figures in the accompanying drawings. Show it:
1
2 shows a section through an electrical plug connection with a plug receiving part according to the invention, the plug receiving part and the plug part being drawn apart,
2
a cross section through a plug receiving part with inserted plug part, the plug part being in the insertion position;
3
a section along the line BB of Fig. 2;
4
a cross section through a plug receiving part with inserted plug part, the plug part being in the locked position;
6 and 7
in each case a diagram of one of the plug contacts of the plug receiving part according to the invention, the bulge side being shown,
8 and 9
each a diagram of this plug contact, the trough side being shown;
10
a top view of this connector contact;
11
a section along the line EE of Fig. 10;
12
a side view of the plug contact;
13 to 16
the cross sections along the lines AA, BB, CC and DD of Fig. 10 and
17
a trough-side top view of the plug contact.

Die Steckverbindung besteht in üblicher Art und Weise aus einem Steckeraufnahmeteil 1 und einem Steckteil 2. Das Steckteil 2 ist in das Steckeraufnahmeteil 1 einsteckbar und in diesem durch eine Schnellverschlusskupplung, beispielsweise in der Art eines Bajonettverschlusses verriegelbar.The connector consists in the usual way of a connector receptacle 1 and a plug part 2. The plug part 2 is in the plug receiving part 1 insertable and in this by a quick release coupling, for example lockable in the manner of a bayonet catch.

Das Steckeraufnahmeteil 1 besitzt einen zentralen Aufnahmeraum, welcher von einer Zwischenwand 13 mit einer Innenseite und einer Außenseite begrenzt wird, und einen die Zwischenwand 13 umgebenden kreisringförmigen Aufnahmeraum, wobei beide Aufnahmeräume Einstecköffnungen 15 aufweisen. Sowohl an der Innenseite als auch an der Außenseite der Zwischenwand 13 sind Steckerkontakte 3 angeordnet, welche zur Kontaktierung von Gegenkontakten 4 im Steckteil 2 dienen. Die Gegenkontakte 4 können in herkömmlicher Weise zylinderförmig ausgebildet sein, wie dies aus den Fig. 2, 4 und 5 ersichtlich ist. Die Gegenkontakte 4 sind an einem mittleren Zapfen 5 und an einer Wand 6 des Steckteiles 2 angeordnet. Der mittlere Zapfen 5 und die Wand 6 sind durch die Einstecköffnungen 15 in den zentralen Aufnahmeraum und den kreisringförmigen Aufnahmeraum des Steckeraufnahmeteils 1 einsteckbar.The connector receiving part 1 has a central receiving space, which of an intermediate wall 13 is delimited with an inside and an outside, and an annular receiving space surrounding the intermediate wall 13, wherein both receiving spaces have insertion openings 15. Both at the Inside as well as on the outside of the intermediate wall 13 are plug contacts 3 arranged, which for contacting mating contacts 4 in the plug-in part 2 serve. The counter contacts 4 can be cylindrical in a conventional manner be formed, as can be seen from FIGS. 2, 4 and 5. The counter contacts 4 are on a central pin 5 and on a wall 6 of the plug-in part 2 arranged. The middle pin 5 and the wall 6 are through the insertion openings 15 in the central receiving space and the annular receiving space the plug receiving part 1 insertable.

Im gezeigten Ausführungsbeispiel sind im Steckeraufnahmeteil 1 vier elastische Steckerkontakte 3 angeordnet, die sich an der Zwischenwand 13 befinden und in Kreuzform angeordnet sind.In the embodiment shown, four elastic in the connector receiving part 1 Plug contacts 3 arranged, which are located on the intermediate wall 13 and in Cross shape are arranged.

Die Steckkontakte 3 sind in der Nähe des Bodens 14 an der Zwischenwand 13 befestigt und ihre freien Enden mit den Kontaktbereichen 9 weisen zu den Einstecköffnungen 15 des Steckeraufnahmeteiles 1 hin.The plug contacts 3 are in the vicinity of the bottom 14 on the intermediate wall 13 attached and their free ends with the contact areas 9 point to the insertion openings 15 of the connector receiving part 1 down.

Die erfindungsgemäße Ausbildung der Steckerkontakte 3 ist insbesondere aus den Fig. 6 bis 17 ersichtlich.The design of the plug contacts 3 according to the invention is in particular from 6 to 17 can be seen.

Die Steckerkontakte 3 weisen einen Befestigungsbereich 7 auf, von dem ein freier Arm absteht, der einen federnden Bereich 8 bildet (der etwa an der Stelle des in Fig. 10 eingezeichneten Schnittes DD beginnt) und im Bereich von dessen Spitze der Kontaktbereich 9 ausgebildet ist. Der freie Arm des Steckerkontaktes 3 ist löffelartig ausgeführt, wobei die löffelartige Mulde sich über den Kontaktbereich 9 und über zumindest einen Teil, vorzugsweise einen Großteil, des federnden Bereichs 8 erstreckt. Er weist dabei an einer Seite eine vom Kontaktbereich 9 ausgehende Wölbung 10 auf und an der gegenüberliegenden Seite eine korrespondierende Mulde 11, die von einem Rand 12 des Steckerkontaktes 3 abgegrenzt wird, der im Befestigungsbereich 7 seitlich am Steckerkontakt angeordnet ist und im Bereich der Wölbung 10 bzw. Mulde 11 gegenüber der Hauptebene des Steckerkontaktes im Befestigungsbereiche 7 geneigt ist und auf die Seite des Steckerkontaktes 3 weist, auf der die Mulde 11 angeordnet ist. Die Wölbung 10 und die Mulde 11 erstrecken sich weit in den federnden Bereich 8 des Steckerkontaktes 3 hinein, wobei sie in der Höhe bzw. Tiefe von einem Maximalwert im bzw. in der Nähe des Kontaktbereiches 9 zum Befestigungsbereich 7 hin und über bzw. in demselben stetig auslaufen (siehe insbesondere Fig. 11 und 12). Im Querschnitt gesehen (Fig. 13 und 14) ist der federnde Bereich 8 über die Ausdehnung der Mulde bzw. Wölbung gekrümmt ausgebildet.The plug contacts 3 have a fastening area 7, one of which is free Arm protrudes, which forms a resilient area 8 (which approximately at the location of the in Fig. 10 section DD begins) and in the area thereof Tip of the contact area 9 is formed. The free arm of the plug contact 3 is designed like a spoon, whereby the spoon-like depression extends over the contact area 9 and over at least a part, preferably a large part, of the resilient Area 8 extends. It has a contact area 9 on one side outgoing curvature 10 on and on the opposite side a corresponding Trough 11, which is delimited by an edge 12 of the plug contact 3 is arranged in the fastening area 7 on the side of the plug contact is and in the region of the curvature 10 or trough 11 opposite the main plane of the plug contact in the mounting areas 7 is inclined and on the side of Has plug contact 3 on which the trough 11 is arranged. The curvature 10 and the trough 11 extend far into the resilient area 8 of the plug contact 3 into, the height or depth of a maximum value in or in the vicinity of the contact area 9 to the fastening area 7 and run out continuously above or in the same (see in particular FIGS. 11 and 12). in the Seen cross section (Fig. 13 and 14) is the resilient area 8 over the extent the trough or curvature is curved.

Durch diese Ausführung des freien Armes werden die Federeigenschaften des Steckerkontaktes 3 im federnden Bereich 8 wesentlich verbessert (unter Erhöhung der Federkonstanten bzw. Versteifung des vom Befestigungsbereich abstehenden freien Armes), wobei aber die Leitfähigkeit unbeeinflusst bleibt. Durch die Änderung der Tiefe der Mulde 11 bzw. der Höhe der Wölbung 10 ändern sich die Federeigenschaften über den federnden Bereich 8, wobei die Federkonstante in Richtung zum Kontaktbereich 9 zunimmt. Ein erfindungsgemäßer Steckerkontakt 3 kann aus Kupfer oder einer Kupferlegierung hergestellt werden, wodurch die guten Leiteigenschaften des Materials genützt werden und dennoch wird eine ausreichende Federkraft erzielt, die den Kontaktbereich 9 an die Gegenkontakte 4 im Steckteil 2 drückt.With this version of the free arm, the spring properties of the Plug contact 3 in the resilient area 8 significantly improved (with increase the spring constant or stiffening of the protruding from the fastening area free arm), but the conductivity remains unaffected. Through the Changing the depth of the trough 11 and the height of the curvature 10 change Spring properties over the resilient area 8, the spring constant in Direction to the contact area 9 increases. An inventive plug contact 3 can be made of copper or a copper alloy, making the good conductivity properties of the material can be used and yet one sufficient spring force is achieved, which the contact area 9 to the counter contacts 4 presses in plug part 2.

Erfindungsgemäße Steckeraufnahmeteile eignen sich besonders für Hochstromanwendungen, bei denen beispielsweise Stromstärken von bis zu 50 Ampere geleitet werden müssen. Insbesondere können erfindungsgemäße Steckerkontakte in elektrischen Steckverbindungen für Audioanwendungen vorteilhaft eingesetzt werden. Ein Beispiel hierfür sind sogenannte Lautsprecherstecker zur Verbindung von Lautsprechern mit Lautersprecherkabeln bzw. von Lautersprecherkabeln mit Verstärkerausgängen.Connector receptacle parts according to the invention are particularly suitable for high-current applications, where, for example, currents of up to 50 amperes must be directed. In particular, plug contacts according to the invention advantageously used in electrical connectors for audio applications become. An example of this are so-called speaker plugs for connection of loudspeakers with loudspeaker cables or of loudspeaker cables with amplifier outputs.

Claims (9)

Steckeraufnahmeteil einer elektrischen Steckverbindung, insbesondere für Audioanwendungen, mit einem zentralen Aufnahmeraum, welcher von einer Zwischenwand (13) mit einer Innenseite und einer Außenseite begrenzt wird, und einem die Zwischenwand (13) umgebenden kreisringförmigen Aufnahmeraum, wobei beide Aufnahmeräume Einstecköffnungen (15) aufweisen und sowohl an der Innenseite als auch an der Außenseite der Zwischenwand (13) Steckerkontakte (3) angeordnet sind, welche einen metallischen streifenförmigen Körper besitzen, der einen Befestigungsbereich (7) und einen vom Befestigungsbereich (7) abstehenden freien Arm mit einem Kontaktbereich (9) an seinem freien Ende und einem zwischen dem Kontaktbereich (9) und dem Befestigungsbereich (7) liegenden federnden Bereich (8) aufweist, dadurch gekennzeichnet, dass der Kontaktbereich (9) gewölbt ausgeführt ist und dass sich die Wölbung (10) unter Versteifung des vom Befestigungsbereich (7) abstehenden freien Armes vom Kontaktbereich (9) bis in oder über den federnden Bereich (8) erstreckt und an der der Wölbung (10) gegenüberliegenden Seite des streifenförmigen Körpers eine korrespondierende Mulde (11 ) ausgebildet ist, wobei der federnde Bereich (8) des streifenförmigen Körpers im Bereich der Wölbung (10) bzw. Mulde (11 ) im Querschnitt gesehen gekrümmt ausgebildet ist.Plug receiving part of an electrical plug connection, in particular for audio applications, with a central receiving space, which is delimited by an intermediate wall (13) with an inside and an outside, and an annular receiving space surrounding the intermediate wall (13), both receiving spaces having insertion openings (15) and Both on the inside and on the outside of the intermediate wall (13), plug contacts (3) are arranged, which have a metallic strip-shaped body which has a fastening area (7) and a free arm projecting from the fastening area (7) with a contact area (9). at its free end and between the contact area (9) and the fastening area (7) resilient area (8), characterized in that the contact area (9) is curved and that the curvature (10) is stiffened by the Fastening area (7) projecting free arm from the contact area (9) extends into or over the resilient area (8) and a corresponding trough (11) is formed on the side of the strip-shaped body opposite the curvature (10), the resilient area (8) of the strip-shaped body in the area of the curvature (10) or trough (11) is curved in cross section. Steckeraufnahmeteil nach Anspruch 1, dadurch gekennzeichnet, dass die Wölbung (10) und die Mulde (11 ) in der Richtung vom Kontaktbereich (9) zum Befestigungsbereich (7) mit abnehmender Höhe bzw. Tiefe auslaufen.Plug receiving part according to claim 1, characterized in that the curvature (10) and the trough (11) run out in the direction from the contact area (9) to the fastening area (7) with decreasing height or depth. Steckeraufnahmeteil nach Anspruch 2, dadurch gekennzeichnet, dass Wölbung (10) und Mulde (11) in der Richtung vom Kontaktbereich (9) zum Befestigungsbereich (7) mit stetig abnehmender Höhe bzw. Tiefe verlaufen.Plug receiving part according to claim 2, characterized in that the curvature (10) and trough (11) run in the direction from the contact area (9) to the fastening area (7) with a continuously decreasing height or depth. Steckeraufnahmeteil nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der streifenförmige Körper des Steckerkontaktes (3) im Bereich der Wölbung (10) und der Mulde (11 ) spanlos verformt ist. Plug receiving part according to one of claims 1 to 3, characterized in that the strip-shaped body of the plug contact (3) is deformed without cutting in the region of the curvature (10) and the trough (11). Steckeraufnahmeteil nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der streifenförmige Körper des Steckerkontaktes (3) im Bereich der Wölbung (10) des Steckerkontaktes (3) und der Mulde (11 ) durch einen Stanzvorgang verformt ist.Plug receiving part according to one of claims 1 to 4, characterized in that the strip-shaped body of the plug contact (3) in the region of the curvature (10) of the plug contact (3) and the trough (11) is deformed by a stamping process. Steckeraufnahmeteil nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass sich die Wölbung (10) bzw. Mulde (11 ) zumindest über den Großteil des federnden Bereiches (8) erstrecken.Plug receiving part according to one of claims 1 to 5, characterized in that the curvature (10) or trough (11) extend at least over the majority of the resilient area (8). Steckeraufnahmeteil nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass an der Zwischenwand (13) vier Steckerkontakte (3) angeordnet sind, die einander diametral gegenüberliegen.Plug receiving part according to one of claims 1 to 6, characterized in that four plug contacts (3) are arranged on the intermediate wall (13), which are diametrically opposite one another. Steckeraufnahmeteil nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Kontaktbereiche (9) der Steckerkontakte (3) zu den Einstecköffnungen (15) des Steckeraufnahmeteiles (1) gerichtet sind.Plug receiving part according to one of claims 1 to 7, characterized in that the contact areas (9) of the plug contacts (3) are directed towards the insertion openings (15) of the plug receiving part (1). Elektrische Steckverbindung, insbesondere für Audioanwendungen, bestehend aus zwei Steckverbindern, von denen der eine als Steckteil der elektrischen Steckverbindung ausgeführt ist, in welchem Steckerkontakte angeordnet sind, und der andere als Steckeraufnahmeteil nach einem der Ansprüche 1 bis 8 ausgeführt ist.Electrical connector, in particular for audio applications of two connectors, one of which is used as a plug-in part of the electrical Plug connection is carried out, in which plug contacts are arranged are, and the other as a connector receiving part according to one of the claims 1 to 8 is executed.
EP03020659A 2002-09-19 2003-09-11 Socket of an electrical connection Expired - Lifetime EP1401056B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10243479 2002-09-19
DE10243479A DE10243479A1 (en) 2002-09-19 2002-09-19 Plug contact for electrical plug connections

Publications (2)

Publication Number Publication Date
EP1401056A1 true EP1401056A1 (en) 2004-03-24
EP1401056B1 EP1401056B1 (en) 2006-05-10

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EP03020659A Expired - Lifetime EP1401056B1 (en) 2002-09-19 2003-09-11 Socket of an electrical connection

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EP (1) EP1401056B1 (en)
AT (1) ATE326067T1 (en)
DE (2) DE10243479A1 (en)
ES (1) ES2263887T3 (en)

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WO2021104693A1 (en) * 2019-11-26 2021-06-03 Sensor-Technik Wiedemann Gmbh Electrical plug-in connector system

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EP3783744A1 (en) * 2019-08-23 2021-02-24 Yazaki Europe Ltd. Electric connection arrangement

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WO2010054751A1 (en) * 2008-11-13 2010-05-20 Rosenberger Hochfrequenztechnik Gmbh & Co. Kg Plug connector for a star quad cable
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WO2021023396A1 (en) 2019-08-07 2021-02-11 Neutrik Ag Electrical plug connector
WO2021104693A1 (en) * 2019-11-26 2021-06-03 Sensor-Technik Wiedemann Gmbh Electrical plug-in connector system

Also Published As

Publication number Publication date
ATE326067T1 (en) 2006-06-15
DE10243479A1 (en) 2004-03-25
ES2263887T3 (en) 2006-12-16
EP1401056B1 (en) 2006-05-10
DE50303273D1 (en) 2006-06-14

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