EP2169775A1 - Symmetrical electric contact - Google Patents

Symmetrical electric contact Download PDF

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Publication number
EP2169775A1
EP2169775A1 EP09011641A EP09011641A EP2169775A1 EP 2169775 A1 EP2169775 A1 EP 2169775A1 EP 09011641 A EP09011641 A EP 09011641A EP 09011641 A EP09011641 A EP 09011641A EP 2169775 A1 EP2169775 A1 EP 2169775A1
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EP
European Patent Office
Prior art keywords
contact
symmetrical
plug body
plug
contacts
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
EP09011641A
Other languages
German (de)
French (fr)
Other versions
EP2169775B1 (en
Inventor
Melanie Genau
Gert Havermann
Hubert Breitfeld
Stefan Baumert
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.)
Harting Electronics GmbH and Co KG
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Harting Electronics GmbH and Co KG
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Application filed by Harting Electronics GmbH and Co KG filed Critical Harting Electronics GmbH and Co KG
Publication of EP2169775A1 publication Critical patent/EP2169775A1/en
Application granted granted Critical
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/28—Contacts for sliding cooperation with identically-shaped contact, e.g. for hermaphroditic coupling devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/716—Coupling device provided on the PCB
    • 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

Definitions

  • the invention relates to a symmetrical electrical contact for mutual contacting, formed from a contact body, with a contact side and a terminal end to be inserted into a plug body for a detachable contacting of connectors, for the transmission of high-frequency signals.
  • Such a symmetrical contact is needed for a detachable plug-in connection, in which high-frequency signals must be transmitted as smoothly as possible.
  • the invention is therefore the object of such a form a symmetrical electrical connector contact for the transmission of high-frequency signals that are reduced to a minimum, regardless of the insertion depth of the contacts, reflections and propagation delays of the signals.
  • This object is achieved in that the contact side formed from the contact body, symmetrically shaped spring legs, that at the free ends of the spring legs opposite inwardly facing contact points are provided with contact zones, and that the contact crests are formed narrower than the spring legs in relation to the material thickness of the contact body in the contact direction to the contact zone.
  • the electrical contacts are formed from a contact body having a contact side and a terminal end, wherein the contact side is provided with two molded, symmetrical spring legs with opposite contact tips having rounded contact zones.
  • the contact tips similar to a circular section shaped as a shoulder, with a thinner material thickness than the general material thickness of the spring leg or the contact body.
  • the spring legs opposite terminal end of the contact body is provided with a 90 ° to the spring legs angled solder pin, ie transverse to the insertion direction, and has a soldering surface for a Surface soldering on.
  • the soldering pin is angled at 45 ° to the surface of the contact body.
  • a plug body is advantageously provided, in which the symmetrical, electrical contacts can be used.
  • the plug body has intersecting, rectangular-shaped chambers for receiving the electrical contacts. Wherein one of the chamber is provided for latching each of an electrical contact, while the second chamber has only a certain insertion depth into which the electrical contact of a mating connector equipped with the same contacts can be inserted.
  • the spring legs of the electrical contacts facing the plug side are advantageously guided at least halfway into sub-chambers, which are formed in at least one longitudinal wall penetrating the plug body. The spring legs are guided almost to the contact points in the sub-chambers.
  • a single symmetrical electrical contact 1 is shown, which is formed from a stamped metallic contact body 4, with a contact side 3 and a terminal end. 5
  • the contact body 4 is slightly trapezoidal in shape, on the tapered side of the contact side 3 is provided with U-shaped spring legs 13, at the ends opposite, symmetrically shaped contact zones 16 are arranged on contact blades 15. Wherein the contact blades 15 are formed parallel to the contact zones 16 and narrower by means of a shoulder 17 than the remaining material thickness of the spring legs 13. Wherein the paragraph 17 may have different lengths.
  • connection side 5 is formed by an integrally formed, freed soldering pin 10 which is angled relative to the contact body 4 by about 45 ° in the punching direction of the contact 1.
  • soldering pin 10 is held on a molded onto the wider side of the trapezoidal connector 7, wherein the connecting part 7 but is designed to be narrower than this trapezoidal side.
  • connection part 7 a so-called undercut 8 is formed on both sides of the connection part 7, for locking the contact 1 in a plug body 20th
  • the soldering pin 10 is formed integrally on one of the vertical sides of the connecting part 7 and arranged horizontally below the connection part 7 and has a slightly offset soldering surface 11.
  • Fig. 2 an embodiment is also provided in which the contact blades are formed in a variant of an electrical contact 1 'by means of a bevel 18, thus narrowing from the material thickness of the spring legs 13 to the contact zone 16.
  • FIG. 3 two plugged electrical contacts 1 are shown.
  • the two symmetrical contacts are rotated in the direction of insertion by 90 ° to each other and put together.
  • the function of the oblique transition zone 14 between the spring legs 13 for widening the contact tips 15 on the material thickness of the contact body 4 can be seen.
  • the contact blades 15 are pushed with the contact zones 16 almost to the mutual stop of the electrical contacts at the transition zones 14 each on the other contact 1.
  • FIG. 4 shows how two electrical contacts 1, 1 are plugged together, at a time before the contact zones 16 contact the other contact body. That is in the Fig. 1 indicated by the line 4 - 4, at the height of which are approximately the two contact zones 16 of the electrical contacts.
  • the electrical contacts shown here are designed in the geometry of the contact caps 15 such that they do not touch during the mating process.
  • the contact blades 15 are narrower than the spring legs 13, so that during the mating process no mutual contact takes place and the contact tips 15 are only bent apart with the pushing of the contact zones 16 on the slope 14 between the spring legs 13 to each other on the contact body 4 to contact.
  • Fig. 5 is the time shown, in which two electrical contacts 1 'are plugged together, which instead of the paragraph 17 have a slope 18 on the contact tips 15 between the spring legs 13 and contact zones 16, and at the time when the two contact zones 16, the transition zone 14 reach before the contact blades 15 and widen the contact body 4 contact. That is in the Fig. 1 indicated by the line 5-5, at the height of which are approximately the two contact zones 16 of the electrical contacts.
  • the Fig. 6 shows a section of the plug body 20 in which a number of symmetrical, individual electrical contacts 1 are inserted in two rows.
  • 20 offset rectangular chambers 23 are provided on the solder side 22 at 45 ° to the longitudinal direction of the plug body 20, which are guided to the mating side 21 of the plug body and in which the electrical contacts 1 are inserted and latched.
  • a latching is achieved by means of the undercut 8 of the contact body 4 in a corresponding recess within the chamber 23.
  • the inserted contacts are now led out with 90 ° laterally to the longitudinal direction of the plug body due to the offset by 45 ° chambers 23 and their bent by 45 ° solder pins 10.
  • FIG. 7 a section of the mating side 21 of the plug body 20 is shown.
  • the mating side 21 shows a series of electrical contacts 1, which are aligned at an angle of 45 ° to the longitudinal direction of the plug body 20 in the chambers 23.
  • the chambers 23 intersecting chambers 24 can be seen, in which the electrical contacts 1 of a mating connector are inserted, for mutual, intersecting contact.
  • the rectangular chambers 24 are formed only in accordance with the maximum insertion depth of the mating side of the contacts 1 of the mating connector within the plug body 20.
  • Fig. 8 is shown in a section a plug body 20 with electrical contacts 1 arranged therein.
  • the electrical contacts 1 are inserted from the soldering side 22 into the chamber 23 passing through the plug body 20 and latched by means of the undercuts 8.
  • the space provided for the mating connector, or its electrical contacts 1 chamber 24, which intersects the chamber 23, is carried out only with a limited insertion depth, so that the contact tips 16 of an electrical contact 1, always contacting the contact body 4 of the other electrical contact 1 , whereby nearly optimal electrical transmission properties are also achieved for high-frequency signals in a plug connection.
  • a variant of a plug body 25 is in the Fig. 9 shown.
  • the sub-chamber 28 is a one-sided extension of the rectangular chamber 23 from the plug body 20 already shown.
  • the other half of the spring leg 13 lies in a corresponding sub-chamber 29.
  • the sub-chamber 28 is formed to better guide the already inserted spring leg 13 in the connector body 25 is narrower than the sub-chamber 29, in which the electrical mating contact, crossed, still insert is.
  • In a two-row contact row of the plug body 25 at least three continuous longitudinal walls 26, 26, 27, wherein in the longitudinal walls 26, the respective sub-chambers 28, 29 angled at 90 °, are formed.

Abstract

The contact (1) has a contact body with contact and connection sides inserted into a plug body (20) for separably contacting plug connectors in order to transmit high-frequency signals. The contact side comprises symmetric spring legs that are shaped out of the contact body, where the contact side has inwardly directed contact domes with contact zones provided on free ends of the spring legs. The contact domes are narrower than material thickness of the spring legs toward the contact zones and the contact body in contact direction.

Description

Die Erfindung betrifft einen symmetrischen elektrischen Kontakt zum gegenseitigen Kontaktieren, gebildet aus einem Kontaktkörper, mit einer Kontaktseite und einem Anschlussende, einzusetzen in einen Steckerkörper für eine lösbare Kontaktierung von Steckverbindern, zur Übertragung hochfrequenter Signale.The invention relates to a symmetrical electrical contact for mutual contacting, formed from a contact body, with a contact side and a terminal end to be inserted into a plug body for a detachable contacting of connectors, for the transmission of high-frequency signals.

Ein derartiger symmetrischer Kontakt wird für eine lösbare Steckverbindung benötigt, bei der hochfrequente Signale möglichst störungsfrei übertragen werden müssen.Such a symmetrical contact is needed for a detachable plug-in connection, in which high-frequency signals must be transmitted as smoothly as possible.

Stand der TechnikState of the art

Bei der Signalübertragung von hochfrequenten Signalen erfolgt bei einem einfachen, klassischen Feder-Messer-Design eine Signalaufteilung am Kontaktpunkt, wobei ein Signalteil direkt an der Kontaktstelle zwischen Messer und Feder übergeben wird und der andere Teil weiter in die Messerspitze läuft und dort reflektiert wird. Wieder zurück an der Kontaktstelle wiederholt sich der Vorgang und der reflektierte Signalteil überlagert das ursprüngliche Signal. Der Phasenunterschied zwischen den beiden Signalen hängt somit von der Stecktiefe ab, die von der Mechanik des Stecksystems vorgegeben ist. Und je nach Phasenunterschied kann das Originalsignal derartig verfälscht sein, dass eine Auslöschung von Signalanteilen oder des gesamten Originalsignals erfolgt. Auch unter der Bezeichnung Stub-Effekt bekannt.In the signal transmission of high-frequency signals in a simple, classic spring-knife design signal division at the contact point, wherein a signal part is passed directly to the contact point between the knife and spring and the other part continues to run into the blade tip and is reflected there. Back at the point of contact, the process repeats itself and the reflected signal part superimposes the original signal. The phase difference between the two signals thus depends on the insertion depth, which is specified by the mechanics of the plug-in system. And depending on the phase difference, the original signal may be corrupted in such a way that an extinction of signal components or of the entire original signal takes place. Also known as stub effect.

Aufgabenstellungtask

Der Erfindung liegt daher die Aufgabe zugrunde, einen symmetrischen elektrischen Steckverbinderkontakt zur Übertragung hochfrequenter Signale derartig auszubilden, dass unabhängig von der Stecktiefe der Kontakte, Reflexionen und Laufzeitdifferenzen der Signale auf ein Minimum reduziert werden.The invention is therefore the object of such a form a symmetrical electrical connector contact for the transmission of high-frequency signals that are reduced to a minimum, regardless of the insertion depth of the contacts, reflections and propagation delays of the signals.

Diese Aufgabe wird dadurch gelöst, dass die Kontaktseite aus dem Kontaktkörper herausgeformte, symmetrisch ausgebildete Federschenkel aufweist, dass an den freien Enden der Federschenkel gegenüberliegende nach innen weisende Kontaktkuppen mit Kontaktzonen vorgesehen sind, und
dass die Kontaktkuppen bezogen auf die Materialstärke des Kontaktkörpers in Kontaktrichtung zur Kontaktzone schmaler als die Federschenkel ausgebildet sind.This object is achieved in that the contact side formed from the contact body, symmetrically shaped spring legs, that at the free ends of the spring legs opposite inwardly facing contact points are provided with contact zones, and
that the contact crests are formed narrower than the spring legs in relation to the material thickness of the contact body in the contact direction to the contact zone.

Vorteilhafte Ausgestaltungen der Erfindung sind in den Ansprüchen 2 - 13 angegeben.Advantageous embodiments of the invention are specified in claims 2-13.

Die mit der Erfindung erzielten Vorteile bestehen insbesondere darin, dass ein derartiger Steckverbinder nur mit einer Art von elektrischen Kontakten auszurüsten ist.
Wobei die elektrischen Kontakte aus einem Kontaktkörper gebildet sind, der eine Kontaktseite und ein Anschlussende aufweist, wobei die Kontaktseite mit zwei angeformten, symmetrischen Federschenkeln mit gegenüberliegenden Kontaktkuppen versehen ist, die verrundete Kontaktzonen aufweisen. Dabei sind die Kontaktkuppen, ähnlich einem Kreisabschnitt als Absatz geformt, mit einer dünneren Materialdicke als die allgemeine Materialdicke der Federschenkel bzw. des Kontaktkörpers.The advantages achieved by the invention are, in particular, that such a connector is equipped with only one type of electrical contacts.
Wherein the electrical contacts are formed from a contact body having a contact side and a terminal end, wherein the contact side is provided with two molded, symmetrical spring legs with opposite contact tips having rounded contact zones. In this case, the contact tips, similar to a circular section shaped as a shoulder, with a thinner material thickness than the general material thickness of the spring leg or the contact body.

Das den Federschenkeln gegenüber liegende Anschlussende des Kontaktkörpers ist mit einem um 90° zu den Federschenkeln abgewinkelten Lötstift versehen, also quer zur Steckrichtung, und weist eine Lötfläche für eine Oberflächenlötung auf. Darüber hinaus ist der Lötstift um 45° zur Fläche des Kontaktkörpers abgewinkelt.The spring legs opposite terminal end of the contact body is provided with a 90 ° to the spring legs angled solder pin, ie transverse to the insertion direction, and has a soldering surface for a Surface soldering on. In addition, the soldering pin is angled at 45 ° to the surface of the contact body.

Beim Stecken von zwei identischen, symmetrischen Kontakten sind diese in Steckrichtung um 90° zueinander versetzt, so dass die beiden Federschenkel jeweils den Kontaktkörper des anderen Kontaktes kontaktieren.
Da die Kontaktkuppen die Enden der elektrischen Kontakte bilden und mit diesen den jeweils anderen Kontakt berühren, sind die Laufzeiten eines über diese Federschenkel zu den Kontaktkuppen verlaufenden und aufgeteilten elektrischen Signals gleich, wodurch eine Überlagerung beider Signalanteile wieder das Originalsignal ergibt.When inserting two identical, symmetrical contacts these are offset in the insertion direction by 90 ° to each other, so that the two spring legs each contact the contact body of the other contact.
Since the contact blades form the ends of the electrical contacts and touch with these the other contact, the maturities of an extending over these spring legs to the contact blades and divided electrical signal are equal, whereby a superposition of both signal components again gives the original signal.

Weiterhin ist vorteilhafterweise ein Steckerkörper vorgesehen, in den die symmetrischen, elektrischen Kontakte einsetzbar sind. Dabei weist der Steckerkörper sich kreuzende, rechteckig geformte Kammern zur Aufnahme der elektrischen Kontakte auf. Wobei eine der Kammer zur Verrastung jeweils eines elektrischen Kontaktes vorgesehen ist, während die zweite Kammer nur eine bestimmte Einstecktiefe aufweist, in die der elektrische Kontakt eines mit den gleichen Kontakten ausgerüsteten Gegensteckers einfügbar ist.Furthermore, a plug body is advantageously provided, in which the symmetrical, electrical contacts can be used. In this case, the plug body has intersecting, rectangular-shaped chambers for receiving the electrical contacts. Wherein one of the chamber is provided for latching each of an electrical contact, while the second chamber has only a certain insertion depth into which the electrical contact of a mating connector equipped with the same contacts can be inserted.

In einer Variante des Steckerkörpers sind die zur Steckseite weisenden Federschenkel der elektrischen Kontakte vorteilhaft zumindest halbseitig in Teilkammern geführt, die in mindestens einer den Steckerkörper durchdringenden Längswand eingeformt sind. Dabei werden die Federschenkel bis nahezu an die Kontaktkuppen in den Teilkammern geführt.In a variant of the plug body, the spring legs of the electrical contacts facing the plug side are advantageously guided at least halfway into sub-chambers, which are formed in at least one longitudinal wall penetrating the plug body. The spring legs are guided almost to the contact points in the sub-chambers.

Ausführungsbeispielembodiment

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher erläutert. Es zeigen:

Fig. 1
einen einzelnen symmetrischen elektrischen Kontakt mit einer gestuften Kontaktkuppe,
Fig. 2
einen einzelnen symmetrischen elektrischen Kontakt mit einer schrägen Kontaktkuppe,
Fig. 3
eine Ansicht von zwei über Kreuz gesteckten symmetrischen Kontakten,
Fig. 4
einen Höhenschnittansicht von noch nicht kontaktierenden über Kreuz gesteckten elektrischen Kontakten,
Fig. 5
eine Höhenschnittansicht von über Kreuz gesteckten, sich gerade kontaktierenden Kontakten,
Fig. 6
einen Ausschnitte eines Steckerkörpers für die symmetrischen Kontakte mit Sicht auf die Lötseite,
Fig. 7
einen Ausschnitt des Steckerkörpers mit darin eingefügten elektrischen Kontakten mit Sicht auf die Steckseite,
Fig. 8
einen Schnitt durch den Steckerkörper mit einem elektrischen Kontakt, und
Fig. 9
eine Schnitt durch eine Variante eines Steckerkörpers mit teilweise verlängerten Teilkammern mit darin geschützten elektrischen Kontakten.
An embodiment of the invention is illustrated in the drawing and will be explained in more detail below. Show it:
Fig. 1
a single balanced electrical contact with a stepped contact tip,
Fig. 2
a single symmetrical electrical contact with an oblique contact tip,
Fig. 3
a view of two cross-plugged symmetrical contacts,
Fig. 4
4 is a vertical sectional view of non-contacting cross-connected electrical contacts;
Fig. 5
a vertical section view of cross-inserted, just contacting contacts,
Fig. 6
a section of a plug body for the symmetrical contacts with a view of the solder side,
Fig. 7
a detail of the plug body with inserted therein electrical contacts with a view of the plug side,
Fig. 8
a section through the plug body with an electrical contact, and
Fig. 9
a section through a variant of a plug body with partially extended sub-chambers with therein protected electrical contacts.

In der Fig.1 ist ein einzelner symmetrischer elektrischer Kontakt 1 gezeigt, der aus einem gestanzten metallischen Kontaktkörper 4 gebildet ist, mit einer Kontaktseite 3 und einem Anschlussende 5.
Der Kontaktkörper 4 ist leicht trapezförmig ausgeführt, an dessen verjüngter Seite die Kontaktseite 3 mit U-förmig ausgebildeten Federschenkeln 13 vorgesehen ist, an deren Enden gegenüberliegende, symmetrisch geformte Kontaktzonen 16 an Kontaktkuppen 15 angeordnet sind.
Wobei die Kontaktkuppen 15 bis zu den Kontaktzonen 16 parallel und mittels eines Absatzes 17 schmaler geformt sind, als die übrige Materialdicke der Federschenkel 13. Wobei der Absatz 17 unterschiedliche Längen aufweisen kann.In the Fig.1 a single symmetrical electrical contact 1 is shown, which is formed from a stamped metallic contact body 4, with a contact side 3 and a terminal end. 5
The contact body 4 is slightly trapezoidal in shape, on the tapered side of the contact side 3 is provided with U-shaped spring legs 13, at the ends opposite, symmetrically shaped contact zones 16 are arranged on contact blades 15.
Wherein the contact blades 15 are formed parallel to the contact zones 16 and narrower by means of a shoulder 17 than the remaining material thickness of the spring legs 13. Wherein the paragraph 17 may have different lengths.

An den Ansatzpunkten der beiden Federschenkel 13 zum Kontaktkörper 4 ist eine abgeschrägte Übergangszone 14 in Steckrichtung zu den Federschenkeln 13 des Kontaktkörpers 4 vorgesehen.
Die der Kontaktseite 3 entgegengesetzt angeordnete Anschlussseite 5 wird durch einen angeformten, freigestellten Löt-Stift 10 gebildet, der gegenüber dem Kontaktkörper 4 um etwa 45° in Stanzrichtung des Kontaktes 1 abgewinkelt ist.
Dabei wird der Lötstift 10 an einem an der breiteren Trapezseite angeformten Anschlussteil 7 gehalten, wobei das Anschlussteil 7 aber schmaler als diese Trapezseite ausgeführt ist. Damit wird beidseitig des Anschlussteiles 7 ein so genannter Hinterschnitt 8 gebildet ist, zur Verrastung des Kontaktes 1 in einem Steckerkörper 20.
Der Lötstift 10 ist beginnend an einer der hier senkrechten Seiten des Anschlussteiles 7 angeformt und waagrecht unterhalb des Anschlussteiles 7 angeordnet und weist eine etwas abgesetzte Lötfläche 11 auf.At the starting points of the two spring legs 13 to the contact body 4, a tapered transition zone 14 is provided in the insertion direction to the spring legs 13 of the contact body 4.
The contact side 3 oppositely arranged connection side 5 is formed by an integrally formed, freed soldering pin 10 which is angled relative to the contact body 4 by about 45 ° in the punching direction of the contact 1.
In this case, the soldering pin 10 is held on a molded onto the wider side of the trapezoidal connector 7, wherein the connecting part 7 but is designed to be narrower than this trapezoidal side. Thus, a so-called undercut 8 is formed on both sides of the connection part 7, for locking the contact 1 in a plug body 20th
The soldering pin 10 is formed integrally on one of the vertical sides of the connecting part 7 and arranged horizontally below the connection part 7 and has a slightly offset soldering surface 11.

Gemäß Fig. 2 ist auch eine Ausführungsform vorgesehen, bei der die Kontaktkuppen in einer Variante eines elektrischen Kontaktes 1' mittels einer Schräge 18 geformt sind, also von der Materialdicke der Federschenkel 13 zur Kontaktzone 16 schmaler werdend.According to Fig. 2 an embodiment is also provided in which the contact blades are formed in a variant of an electrical contact 1 'by means of a bevel 18, thus narrowing from the material thickness of the spring legs 13 to the contact zone 16.

In der Fig. 3 sind zwei miteinander gesteckte elektrische Kontakte 1 gezeigt. Die beiden symmetrischen Kontakte werden in Steckrichtung um 90° gegeneinander gedreht und zusammengesteckt.
Dabei ist zunächst die Funktion der schrägen Übergangszone 14 zwischen den Federschenkeln 13 zum Aufweiten der Kontaktkuppen 15 auf die Materialstärke der Kontaktkörper 4 ersichtlich.
Die Kontaktkuppen 15 werden mit den Kontaktzonen 16 nahezu bis zum gegenseitigen Anschlag der elektrischen Kontakte an den Übergangszonen 14 jeweils auf den anderen Kontakt 1 aufgeschoben.In the Fig. 3 two plugged electrical contacts 1 are shown. The two symmetrical contacts are rotated in the direction of insertion by 90 ° to each other and put together.
In this case, first, the function of the oblique transition zone 14 between the spring legs 13 for widening the contact tips 15 on the material thickness of the contact body 4 can be seen.
The contact blades 15 are pushed with the contact zones 16 almost to the mutual stop of the electrical contacts at the transition zones 14 each on the other contact 1.

Dazu ist in der Fig. 4 gezeigt, wie zwei elektrische Kontakte 1, 1 miteinander gesteckt werden, und zwar zu einem Zeitpunkt, bevor die Kontaktzonen 16 den jeweils anderen Kontaktkörper kontaktieren.
Das ist in der Fig. 1 angedeutet mit der Linie 4 - 4, auf deren Höhe sich ungefähr die beiden Kontaktzonen 16 der elektrischen Kontakte befinden.
Die hier gezeigten elektrischen Kontakte sind in der Geometrie der Kontaktkuppen 15 derartig ausgelegt, dass diese sich während des Steckvorganges nicht berühren.
Dazu sind die Kontaktkuppen 15 schmaler ausgebildet als die Federschenkel 13, so dass während des Steckvorganges keine gegenseitige Berührung erfolgt und die Kontaktkuppen 15 erst mit dem Aufschieben der Kontaktzonen 16 auf die Schräge 14 zwischen den Federschenkeln 13 auseinandergebogen werden, um auf dem Kontaktkörper 4 gegenseitig zu kontaktieren.This is in the Fig. 4 shown how two electrical contacts 1, 1 are plugged together, at a time before the contact zones 16 contact the other contact body.
That is in the Fig. 1 indicated by the line 4 - 4, at the height of which are approximately the two contact zones 16 of the electrical contacts.
The electrical contacts shown here are designed in the geometry of the contact caps 15 such that they do not touch during the mating process.
For this purpose, the contact blades 15 are narrower than the spring legs 13, so that during the mating process no mutual contact takes place and the contact tips 15 are only bent apart with the pushing of the contact zones 16 on the slope 14 between the spring legs 13 to each other on the contact body 4 to contact.

In der Fig. 5 ist der Zeitpunkt gezeigt, bei dem zwei elektrische Kontakte 1' miteinander gesteckt werden, die anstelle des Absatzes 17 eine Schräge 18 auf den Kontaktkuppen 15 zwischen den Federschenkeln 13 und Kontaktzonen 16 aufweisen, und zwar zu dem Zeitpunkt, wenn die beiden Kontaktzonen 16 die Übergangszone 14 erreichen, bevor die Kontaktkuppen 15 aufgeweitet und den Kontaktkörper 4 kontaktieren.
Das ist in der Fig. 1 angedeutet mit der Linie 5 - 5, auf deren Höhe sich ungefähr die beiden Kontaktzonen 16 der elektrischen Kontakte befinden.In the Fig. 5 is the time shown, in which two electrical contacts 1 'are plugged together, which instead of the paragraph 17 have a slope 18 on the contact tips 15 between the spring legs 13 and contact zones 16, and at the time when the two contact zones 16, the transition zone 14 reach before the contact blades 15 and widen the contact body 4 contact.
That is in the Fig. 1 indicated by the line 5-5, at the height of which are approximately the two contact zones 16 of the electrical contacts.

Die Fig. 6 zeigt einen Ausschnitt des Steckerkörpers 20, in dem eine Anzahl der symmetrischen, elektrischen Einzelkontakte 1 in zwei Reihen eingefügt sind.
Dazu sind auf der Lötseite 22 um 45° zur Längsausrichtung des Steckerkörpers 20 versetzte rechteckige Kammern 23 vorgesehen, die bis zur Steckseite 21 des Steckerkörpers geführt sind und in denen die elektrischen Kontakte 1 eingefügt und verrastet werden.
Wobei eine Verrastung mittels des Hinterschnittes 8 des Kontaktkörpers 4 in eine entsprechende Ausnehmung innerhalb der Kammer 23 erreicht wird.The Fig. 6 shows a section of the plug body 20 in which a number of symmetrical, individual electrical contacts 1 are inserted in two rows.
For this purpose, 20 offset rectangular chambers 23 are provided on the solder side 22 at 45 ° to the longitudinal direction of the plug body 20, which are guided to the mating side 21 of the plug body and in which the electrical contacts 1 are inserted and latched.
Wherein a latching is achieved by means of the undercut 8 of the contact body 4 in a corresponding recess within the chamber 23.

Die eingefügten Kontakte sind aufgrund der um 45° versetzten Kammern 23 und ihrer um 45° abgebogenen Lötstifte 10 jetzt mit 90° seitlich zur Längsrichtung aus dem Steckerkörper herausgeführt.The inserted contacts are now led out with 90 ° laterally to the longitudinal direction of the plug body due to the offset by 45 ° chambers 23 and their bent by 45 ° solder pins 10.

In der Fig. 7 ist ein Ausschnitt der Steckseite 21 des Steckerkörpers 20 gezeigt.
Die Steckseite 21 zeigt eine Reihe von elektrischen Kontakten 1, die im Winkel von 45° zur Längsrichtung des Steckerkörpers 20 in den Kammern 23 ausgerichtet sind.
Weiterhin sind die Kammern 23 kreuzende Kammern 24 ersichtlich, in die die elektrischen Kontakte 1 eines Gegensteckers einfügbar sind, zur gegenseitigen, sich kreuzenden Kontaktierung.
Die rechteckigen Kammern 24 sind aber nur entsprechend der maximalen Einstecktiefe der Steckseite der Kontakte 1 des Gegensteckers innerhalb des Steckerkörpers 20 ausgebildet.In the Fig. 7 a section of the mating side 21 of the plug body 20 is shown.
The mating side 21 shows a series of electrical contacts 1, which are aligned at an angle of 45 ° to the longitudinal direction of the plug body 20 in the chambers 23.
Furthermore, the chambers 23 intersecting chambers 24 can be seen, in which the electrical contacts 1 of a mating connector are inserted, for mutual, intersecting contact.
However, the rectangular chambers 24 are formed only in accordance with the maximum insertion depth of the mating side of the contacts 1 of the mating connector within the plug body 20.

In der Fig. 8 ist in einem Schnitt ein Steckerkörper 20 mit darin angeordneten elektrischen Kontakten 1 gezeigt.
Wobei die elektrischen Kontakte 1 von der Lötseite 22 in die durch den Steckerkörper 20 hindurchreichende Kammer 23 eingefügt und mittels der Hinterschnitte 8 verrasten.
Die für den Gegenstecker, bzw. dessen elektrische Kontakte 1 vorgesehenen Kammer 24, welche die Kammer 23 kreuzt, ist nur mit einer begrenzten Einstecktiefe ausgeführt, so dass die Kontaktkuppen 16 des einen elektrischen Kontaktes 1, stets den Kontaktkörper 4 des anderen elektrischen Kontaktes 1 kontaktieren, womit annähernd optimale elektrische Übertragungseigenschaften auch für hochfrequente Signale in einer Steckerverbindung erzielt werden.In the Fig. 8 is shown in a section a plug body 20 with electrical contacts 1 arranged therein.
The electrical contacts 1 are inserted from the soldering side 22 into the chamber 23 passing through the plug body 20 and latched by means of the undercuts 8.
The space provided for the mating connector, or its electrical contacts 1 chamber 24, which intersects the chamber 23, is carried out only with a limited insertion depth, so that the contact tips 16 of an electrical contact 1, always contacting the contact body 4 of the other electrical contact 1 , whereby nearly optimal electrical transmission properties are also achieved for high-frequency signals in a plug connection.

Eine Variante eines Steckerkörpers 25 ist in der Fig. 9 gezeigt.
Um einen besseren mechanischen Schutz der Federschenkel 13 der elektrischen Kontakte 1 beim Steckvorgang zu erzielen, ist jeweils eine Längshälfte der Federschenkel 13 bis unmittelbar an die Kontaktkuppen 15 von einer hier verlängerten Längswand 26 in Teilkammern 28 des Steckerkörpers 25 umgeben. Dabei ist die Teilkammer 28 eine einseitige Verlängerung der rechteckigen Kammer 23 aus dem bereits gezeigten Steckerkörper 20.
Bei einem gesteckten Gegenstecker liegt die andere Hälfte der Federschenkes 13 in einer entsprechenden Teilkammer 29. Wobei die Teilkammer 28 zur besseren Führung des bereits eingefügten Federschenkels 13 im Steckerkörper 25 enger ausgeformt ist als die Teilkammer 29, in die der elektrische Gegenkontakt, gekreuzt, noch einzufügen ist.
Bei einer zweizeiligen Kontaktreihe weist der Steckerkörper 25 mindestens drei durchgängige Längswände 26, 26, 27 auf, wobei in den Längswänden 26 die jeweiligen Teilkammern 28, 29 um 90° gewinkelt, eingeformt sind.A variant of a plug body 25 is in the Fig. 9 shown.
In order to achieve better mechanical protection of the spring leg 13 of the electrical contacts 1 during insertion, each one longitudinal half of the spring legs 13 to directly to the contact blades 15 of a here extended longitudinal wall 26 in sub-chambers 28 of the plug body 25 surrounded. In this case, the sub-chamber 28 is a one-sided extension of the rectangular chamber 23 from the plug body 20 already shown.
In the case of an inserted mating connector, the other half of the spring leg 13 lies in a corresponding sub-chamber 29. Where the sub-chamber 28 is formed to better guide the already inserted spring leg 13 in the connector body 25 is narrower than the sub-chamber 29, in which the electrical mating contact, crossed, still insert is.
In a two-row contact row of the plug body 25 at least three continuous longitudinal walls 26, 26, 27, wherein in the longitudinal walls 26, the respective sub-chambers 28, 29 angled at 90 °, are formed.

BezugszeichenlisteLIST OF REFERENCE NUMBERS Symmetrischer elektrischer KontaktSymmetrical electrical contact

Az.:ref .:
P208-08 EP P 9P208-08 EP P 9
1, 1'1, 1 '
elektr. Kontakt 17, variante Kontakt 18elec. Contact 17, variant Contact 18
22
3,3,
KontaktseiteContact
4,4,
Kontaktkörper, trapezförmigContact body, trapezoidal
5,5,
Anschlussendeterminal end
66
77
Anschlussteil an 4Connection part to 4
88th
beidseitiger Hinterschnitt an 4bilateral undercut on 4
99
1010
Lötstift an 7 einseitig, abgewinkeltSolder pin on 7 one-sided, angled
1111
Lötflächensoldering surfaces
1212
1313
Federschenkel, u-förmigSpring leg, U-shaped
1414
schräge Übergangszone zwischen 13oblique transition zone between 13
1515
Kontaktkuppencontact cusps
1616
Kontaktzonecontact zone
1717
Absatz, abgesetzte MateriealstärkeHeel, offset material thickness
1818
Schräge, abnehmende MaterialstärkeSloping, decreasing material thickness
1919
Verrundungenfillets
2020
Steckerkörperplug body
2121
Steckseitemating side
2222
Lötseitesolder side
2323
Kammer AChamber A
2424
Kammer BChamber B
2525
Steckerkörper, variantePlug body, variant
2626
Längswände mit TeilkammernLong walls with partial chambers
2727
Längswand außen glattLongitudinal outside smooth
2828
Teilkammer aPartial chamber a
2929
Teilkammer bCompartment b
3030

Claims (13)

Symmetrischer elektrischer Kontakt (1, 1') zum gegenseitigen Kontaktieren, gebildet aus einem Kontaktkörper (4), mit einer Kontaktseite (3) und einem Anschlussende (5), einzusetzen in einen Steckerkörper (20, 25) für eine lösbare Kontaktierung von Steckverbindern, zur Übertragung hochfrequenter Signale, dadurch gekennzeichnet,
dass die Kontaktseite (3) aus dem Kontaktkörper (4) herausgeformte, symmetrisch ausgebildete Federschenkel (13) aufweist,
dass an den freien Enden der Federschenkel (13) gegenüberliegende, nach innen weisende Kontaktkuppen (15) mit Kontaktzonen (16) vorgesehen sind, und
dass die Kontaktkuppen (15) bezogen auf die Materialstärke des Kontaktkörpers (4) in Kontaktrichtung zur Kontaktzone (16) schmaler als die Federschenkel (13) ausgebildet sind.Symmetrical electrical contact (1, 1 ') for mutual contacting, formed from a contact body (4), with a contact side (3) and a connection end (5), to be inserted into a plug body (20, 25) for releasable contacting of connectors, for transmitting high-frequency signals, characterized
that the contact side (3) of the contact body (4) shaped out, symmetrical spring legs (13),
that at the free ends of the spring legs (13) opposite, inwardly facing contact blades (15) are provided with contact zones (16), and
that the contact blades (15), based on the material thickness of the contact body (4) in the contact direction to the contact zone (16) narrower than the spring legs (13) are formed. Symmetrischer elektrischer Kontakt für Steckverbinder, nach Anspruch 1, dadurch gekennzeichnet,
dass die Kontaktkuppen (15) mittels eines Absatzes (17) schmaler als die Federschenkel ausgebildet sind, wobei der Absatz (17) mit den Kontaktkuppen (15) näherungsweise als Kreisabschnitt geformt ist.Symmetrical electrical contact for connectors, according to claim 1, characterized in that
that the contact blades (15) are formed narrower than the spring legs by means of a shoulder (17), wherein the shoulder (17) with the contact blades (15) is approximately formed as a circular section. Symmetrischer elektrischer Kontakt für Steckverbinder, nach Anspruch 1, dadurch gekennzeichnet,
dass die Kontaktkuppen (15) alternativ mittels einer symmetrischen Schräge (18) zur Kontaktzone (16) schmaler werdend, ausgebildet sind.Symmetrical electrical contact for connectors, according to claim 1, characterized in that
that the contact blades (15) alternatively by means of a symmetrical slope (18) to the contact zone (16) narrowing formed are. Symmetrischer elektrischer Kontakt für Steckverbinder, nach Anspruch 1, dadurch gekennzeichnet,
dass die Kontaktkuppen (15) Verrundungen (19) aufweisen.Symmetrical electrical contact for connectors, according to claim 1, characterized in that
that the contact cusps (15) have fillets (19). Symmetrischer elektrischer Kontakt, nach Anspruch 1, dadurch gekennzeichnet,
dass die Kontaktkuppen (15) mit ihren Kontaktzonen (16) beabstandet, gegenüber und parallel zueinander ausgerichtet sind.Symmetrical electrical contact according to Claim 1, characterized
in that the contact studs (15) are spaced with their contact zones (16), opposite and parallel to each other. Symmetrischer elektrischer Kontakt nach Anspruch 1, dadurch gekennzeichnet
dass eine Signalübertragung von zwei miteinander gesteckten elektrischen Kontakten (1,1) jeweils an den Enden der Federschenkel (13) des Kontaktkörpers (4) mittels der Kontaktzonen (16) erfolgt, wobei die Kontaktierung der Kontaktzonen (16) des einen Kontaktes (1) stets in Steckrichtung um 90° gedreht auf dem Kontaktkörper (4) des anderen Kontaktes (1) erfolgt.Symmetrical electrical contact according to claim 1, characterized
in that a signal transmission of two electrical contacts (1, 1) connected to one another takes place in each case at the ends of the spring legs (13) of the contact body (4) by means of the contact zones (16), wherein the contacting of the contact zones (16) of the one contact (1) always rotated in the insertion direction by 90 ° on the contact body (4) of the other contact (1). Symmetrischer elektrischer Kontakt nach Anspruch 1, dadurch gekennzeichnet,
dass das Anschlussende (5) als Lötstift (10) ausgebildet und dreiseitig freigestellt, quer zur Steckrichtung am Kontaktkörper (4) angeformt ist, und gegenüber der Fläche des Kontaktkörpers (4) um 45° abgebogen ist.Symmetrical electrical contact according to Claim 1, characterized
in that the connection end (5) is designed as a soldering pin (10) and is free on three sides, is formed transversely to the insertion direction on the contact body (4), and is bent away by 45 ° with respect to the surface of the contact body (4). Symmetrischer elektrischer Kontakt nach Anspruch 1, dadurch gekennzeichnet,
dass in dem Bereich zwischen den Federschenkeln (13) am Kontaktkörper (4) eine doppelseitig schräge Übergangszone (14) vorgesehen ist.Symmetrical electrical contact according to Claim 1, characterized
in that a double-sided oblique transition zone (14) is provided in the area between the spring legs (13) on the contact body (4). Steckerkörper (20) für symmetrische Kontakte (1, 1') mit einer Steckseite (21) und einer Lötseite (22) für symmetrische, elektrische Kontakte (1, 1'), dadurch gekennzeichnet,
dass die elektrischen Kontakte (1, 1') im Steckerkörper (20) mindestens in einer Reihe, jeweils um 45° gegenüber der Längsseite des Steckerkörpers (20) gedreht, angeordnet sind, wobei die als Lötstift (10) ausgebildeten Anschlussenden (5) der elektrischen Kontakte mit 90° quer zur Längsseite des Steckerkörpers (20) herausgeführt sind.Plug body (20) for symmetrical contacts (1, 1 ') with a plug side (21) and a solder side (22) for symmetrical electrical contacts (1, 1'), characterized
in that the electrical contacts (1, 1 ') in the plug body (20) are arranged in at least one row, each rotated by 45 ° with respect to the longitudinal side of the plug body (20), the terminal ends (5) being in the form of a solder pin (10). the electrical contacts are led out with 90 ° transversely to the longitudinal side of the plug body (20). Steckerkörper für symmetrische elektrische Kontakte nach Anspruch 9, dadurch gekennzeichnet,
dass auf der Steckseite (21), kreuzweise ausgeführte Kammern (23, 24) zur Aufnahme der elektrischen Kontakte (1, 1') vorgesehen sind, wobei jeweils die Kammer (23) die Kontaktseite (3) des Kontaktes (1) aufnimmt, während die andere um 90° versetzte, kreuzende Kammer (24) zur Aufnahme für die Kontaktseite (4) des Kontaktes (1, 1') eines Gegensteckers vorgesehen ist.Plug body for symmetrical electrical contacts according to claim 9, characterized in that
that on the plug-in side (21) crosswise running chambers (23, 24) for receiving the electrical contacts (1, 1 '), wherein each said chamber (23) houses the contact side (3) of the contact (1), while the other 90 ° offset, intersecting chamber (24) for receiving the contact side (4) of the contact (1, 1 ') is provided a mating connector. Steckerkörper für symmetrische Kontakte, nach Anspruch 9, dadurch gekennzeichnet,
dass auf der Lötseite (22) die Kammer (23) zum Einfügen der Kontakte in den Steckerkörper (20), um 45° zur Längsrichtung des Steckerkörpers (20) ausgerichtet sind.Plug body for symmetrical contacts, according to claim 9, characterized in that
that the chamber (23) for insertion of the contacts in the plug body (20) by 45 ° to the longitudinal direction of the plug body (20) are aligned on the solder side (22). Steckerkörper für symmetrische Kontakte, nach Anspruch 10, dadurch gekennzeichnet,
dass die Kammer (23) bis in die Steckseite (21) des Steckerkörpers (20) reicht, während die kreuzende Kammer (24) nur bereichsweise von der Steckseite (21) in den Steckerkörper (20) hineinreicht.Plug body for symmetrical contacts, according to claim 10, characterized in that
in that the chamber (23) extends into the plug-in side (21) of the plug body (20), while the intersecting chamber (24) extends only in regions from the plug-in side (21) into the plug body (20). Steckerkörper für symmetrische Kontakte, nach Anspruch 10, dadurch gekennzeichnet, dass in einer Variante ein Steckerkörper (25) verlängerte Längswände (26) aufweist, in denen Teilkammern (28, 29) eingeformt sind, um darin die Federschenkel (13) der elektrischen Kontakte (1,1') zumindest bereichsweise einzufassen.Plug body for symmetrical contacts, according to claim 10, characterized in that in a variant of a plug body (25) has elongated longitudinal walls (26), in which partial chambers (28, 29) are formed in order to at least partially surround the spring legs (13) of the electrical contacts (1,1 ') therein.
EP09011641.9A 2008-09-24 2009-09-11 Symmetrical electric contact Active EP2169775B1 (en)

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US7938696B2 (en) 2011-05-10
DE102008048731A1 (en) 2010-04-01
EP2169775B1 (en) 2013-04-24

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