EP1641086B1 - Coaxial connector - Google Patents

Coaxial connector Download PDF

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Publication number
EP1641086B1
EP1641086B1 EP20050020345 EP05020345A EP1641086B1 EP 1641086 B1 EP1641086 B1 EP 1641086B1 EP 20050020345 EP20050020345 EP 20050020345 EP 05020345 A EP05020345 A EP 05020345A EP 1641086 B1 EP1641086 B1 EP 1641086B1
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EP
European Patent Office
Prior art keywords
coaxial connector
ring
external conductor
coaxial
connector
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EP20050020345
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German (de)
French (fr)
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EP1641086A1 (en
Inventor
Bernd Dipl.-Ing. Rosenberger
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Rosenberger Hochfrequenztechnik GmbH and Co KG
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Rosenberger Hochfrequenztechnik GmbH and Co KG
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • H01R13/6277—Snap or like fastening comprising annular latching means, e.g. ring snapping in an annular groove

Definitions

  • the present invention relates to a coaxial connector according to the preamble of claim 1.
  • a generic coaxial connector is known from US 2003/0027435 A1.
  • An annular retaining element is supported in the axial direction on a surface perpendicular to the longitudinal axis of the coaxial connector.
  • An axially displaceable gripping sleeve pushes with an oblique surface optionally in this annular retaining element and expands this radially to solve two nested coaxial connector from each other.
  • Coaxial plug connectors are known from US Pat. No. 5,088,937, DE 3117320 and EP 0 867 978 A2, each having a plug housing which is open at one end for plugging in a mating plug and which is penetrated by a channel in which an inner conductor contact is arranged insulated Connecting means for mechanically connecting the connector housing with the mating connector.
  • These connectors each have an external thread on which the mating connector is screwed. By means of this screw connection, the two adjoining outer conductor contact surfaces are tensioned against each other. This clamping force must reach a minimum axial force, so that the electrical contact of the outer conductor between the connector and the mating connector is guaranteed.
  • These connectors have the disadvantage that the mounting comparatively is complex and that between the plugs of a connector row a minimum distance for the attachment of a tool must be present.
  • a coaxial connector and mating connector has been proposed in EP 1 222 717 B1, wherein the connector has a plug housing which is open at its end for attaching the mating connector and that of a channel is interspersed, in which an inner conductor contact is arranged isolated.
  • the connector further comprises connecting means for mechanically connecting the plug housing with the mating connector, wherein the mating connector locks when plugged with the connecting means.
  • the connecting means are designed such that they exert an axial tension on the mating connector, wherein the connecting means comprise a radially expandable clamping sleeve, which can be latched to the mating connector when said plugging on a clamping surface.
  • the connecting means divert a radial force on the clamping surface into an axial force component which biases an outer conductor contact surface of the mating connector against an outer conductor contact surface of the connector.
  • This design has the disadvantage that even small tolerances caused by variations in dimensions of the connector to a significant change in the clamping force for the outer conductor contact, which makes the clean and reliable transmission of high frequencies in question.
  • This clamping force for the outer conductor contact additionally depends to a considerable extent on the surface properties of the inclined surface. Therefore, this plug, even if it should be safe for high frequencies, very expensive and expensive to manufacture, since tight tolerances must be respected and high-quality materials with special surface treatments for the components in the oblique surface must be applied.
  • the clamping force for the outer conductor contact is limited to a few 10 N.
  • a connector is also known, wherein arranged between the outer conductors of the plug and mating connector a coil spring is, which abuts against the respective end faces of the outer conductor and presses the outer conductor axially apart against a stop. The electrical outer conductor contact thereby produces the coil spring itself.
  • an electrical connector with quick lock which has a first connector element, a second connector element and a locking ring on the second connector element.
  • This locking ring has radially inwardly directed and inclined in the direction of insertion of the first connector element latching tongues.
  • These locking tongues penetrate in a locking state of the connector elastically and in the radial direction in a groove on the first connector element and prevent inadvertent release of the connector.
  • it is provided in any way that these locking tongues are functionally involved in the production of a contact pressure at the abutting end faces of the outer conductor of the first and second connector element. Although edges of the groove are rounded, but this is only a low-friction locking of the connector.
  • the rounding leads to a play of the connector in the axial direction.
  • the first connector element and the second connector element can axially move away from each other, since the locking tongues can slide along the rounding, whereby the contact at the abutting end faces of the outer conductor of the first and second connector element deteriorates.
  • the first connector element axially back towards the second connector element, but this restoring force ends immediately when the locking tongues reach the valley of the groove.
  • the axial restoring force decreases, the more first and second plug element are plugged together.
  • the invention has for its object to improve a coaxial connector of the type mentioned above. Manufacturing and assembly and reliability and electrical properties.
  • the annular surface on the separate component of the outer conductor component, on which the ring is supported, relative to a normal to the longitudinal axis of the coaxial connector is inclined so that a radially inner end of the surface is closer to coaxial cable end than a radial outer end of the surface.
  • this provides a high axial clamping force for producing the outer conductor contact between the outer conductor of the coaxial connector and the outer conductor of the Koaxialussisteckverbinders available.
  • This clamping force for the outer conductor contact can be very high, for example 160N or more, by appropriate design of the ring.
  • the ring is formed such that an inner diameter of the ring decreases from an axial end to an opposite axial end of the ring.
  • the ring is arranged in the coaxial connector, that that axial end of the ring with the smaller inner diameter facing the coaxial cable end of the coaxial connector and that axial end of the ring with the larger inner diameter at the annular surface on Outer conductor of the coaxial connector strikes.
  • the grip sleeve has a U-shaped extension which is designed such that it engages in axial displacement of the grip sleeve in the direction of the coaxial cable end of the coaxial connector in the ring and this radially expands.
  • a coaxial connector 10 comprises an outer conductor member 12 having an outer conductor 14 and a grip sleeve 16. An inner conductor component is not shown for reasons of clarity.
  • the grip sleeve 16 is the outer conductor 14 encompassing and slidably disposed along the outer conductor 14 in the axial direction.
  • the coaxial connector 10 is formed to connect to a coaxial cable at a coaxial cable end 20 and to insert a coaxial mating connector 22 at a mating end 24.
  • the outer conductor 14 of the outer conductor component 12 of the coaxial connector 10 forms an end face 18, which is directed in the direction of the plug-side end 24 of the coaxial connector 10.
  • the coaxial mating connector 22 includes an outer conductor 28.
  • the outer conductor 28 of the Koaxialussisteckverbinder 22 forms an end face 26.
  • the end face 18 of the outer conductor 14 of the coaxial connector 10 and the end face 26 of the outer conductor 28 of the Koaxialussisteckverbinders 22 abut each other and form the outer conductor contact.
  • This outer conductor contact or the end face 18 of the Coaxial connector 10 simultaneously forms an electrical and mechanical reference plane 30 of the coaxial connector 10th
  • the outer conductor 14 of the coaxial connector 10 and the outer conductor 28 of the Koaxial oughtsteckverbinders 22 are formed symmetrically to a longitudinal axis 31.
  • a spring element 32 Adjacent to the plug-side end 24 of the coaxial connector 10, a spring element 32 in the form of a ring with a radial slot, which is supported in the direction of the plug-side end 24 of the coaxial connector 10 to a stop in the form of an annular surface 34 which on the outer conductor 14 of the outer conductor component 12 of the coaxial connector 10 is formed.
  • This annular surface 34 is inclined or tilted with respect to. A normal to the longitudinal axis 31 formed such that a radially inner end of the annular surface 34 closer to the coaxial cable end 20 of the coaxial connector 10 is arranged as a radially outer end of the annular surface 34.
  • the surface 34 is formed such that an outer diameter on the surface 34 of the coaxial cable-side end 20 towards the plug-side end 24 of the coaxial connector 10 widens conically.
  • the surface 34 is formed on a separate component 35 of the outer conductor 14 of the coaxial connector 10. This separate component 35 is pressed onto the outer conductor 14 of the coaxial connector 10 and forms part of the outer conductor 14.
  • ring 32 is formed with a radial slot 36 which interrupts the ring 32 in the circumferential direction.
  • the ring 32 is further made of a resilient material, so that the ring 32 can be elastically expanded radially outward, thereby generating an elastic restoring force in the radial direction inwards.
  • the ring 32 has an inner diameter which tapers conically from a first axial end 38 to a second axial end 40.
  • the ring 32 is arranged in the coaxial connector 10 such that the first end 38 of the ring 32 with the larger inner diameter abuts the inclined surface 34 on the outer conductor 14 of the coaxial connector 10 and the second End 40 of the ring 32 with the smaller inner diameter facing the coaxial cable end 20 of the coaxial connector 10.
  • the ring 32 is designed such that an inner diameter at the second end 40 of the ring 32 is smaller than an inner diameter of the outer conductor 14 in the region of the ring 32. In other words, projects the second end 40 of the ring 32 with the smaller inner diameter in the interior within the outer conductor 14 of the coaxial connector 10 inside.
  • This radial elevation 44 drops steeply in the direction of an end of the coaxial opposing connector 22 facing away from the coaxial connector 10, so that a stop for the second end 40 of the ring 32 is formed there.
  • the initially expanded ring 32 retracts radially inwardly and locks by abutting the bump 44 the Koaxialussisteckverbinder 22 in the coaxial connector 10 against an axial Pulling out the Koaxialussisteckverbinder 22 in the direction of the plug-side end 24 of the coaxial connector 10th
  • a further end face 46 of the outer conductor 14 of the coaxial connector 10 is also obliquely with respect to.
  • a normal to the longitudinal axis 31 is formed to give the ring 32 sufficient space for the radial expansion and movement.
  • the grip sleeve 16 has at the plug-side end 24 a U-shaped section 48, which engages radially inwardly into the plug-side end 24 of the coaxial connector 10 facing side 38 of the ring 32.
  • An axial movement of the grip sleeve 14 in the direction of the coaxial cable-side end 20 of the coaxial connector 10 leads by the engagement of the U-shaped portion 48 on an inner side of the ring 32 to a radial expansion of the ring 32, since by reducing the inner diameter of the ring 32 of this an inner surface is formed obliquely.
  • the ring 32 is unlocked, that is brought out of engagement with the survey 44, and the Koaxialurgimensteckverbinder 22 can be pulled out of the coaxial connector 10 in the axial direction.

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  • Coupling Device And Connection With Printed Circuit (AREA)

Description

Die vorliegende Erfindung betrifft einen Koaxialsteckverbinder, gemäß dem Oberbegriff des Anspruchs 1.The present invention relates to a coaxial connector according to the preamble of claim 1.

Ein gattungsgemäßer Koaxialsteckverbinder ist aus US 2003/0027435 A1 bekannt. Ein ringförmiges Rückhalteelement stützt sich in axialer Richtung an einer senkrecht zur Längsachse des Koaxialsteckverbinders stehenden Fläche ab. Eine axial verschiebbare Griffhülse schiebt sich mit einer schrägen Fläche wahlweise in dieses ringförmige Rückhalteelement und weitet dieses radial auf, um zwei ineinander gesteckte Koaxialsteckverbinder voneinander zu lösen.A generic coaxial connector is known from US 2003/0027435 A1. An annular retaining element is supported in the axial direction on a surface perpendicular to the longitudinal axis of the coaxial connector. An axially displaceable gripping sleeve pushes with an oblique surface optionally in this annular retaining element and expands this radially to solve two nested coaxial connector from each other.

Aus US 5 088 937, DE 3117320 sowie EP 0 867 978 A2 sind jeweils koaxiale Steckverbinder bekannt mit einem Steckergehäuse, das an einer Stirnseite zum Aufstecken eines Gegensteckers offen ist und das von einem Kanal durchsetzt ist, in dem ein Innenleiterkontakt isoliert angeordnet ist, mit Verbindungsmitteln zum mechanischen Verbinden des Steckergehäuses mit dem Gegenstecker. Diese Steckverbinder weisen jeweils ein Außengewinde auf, auf welches der Gegenstecker aufgeschraubt ist. Mittels dieser Verschraubung werden die beiden aneinander liegenden Außenleiterkontaktflächen gegeneinander gespannt. Diese Spannkraft muss eine minimale axiale Kraft erreichen, damit der elektrische Kontakt des Außenleiters zwischen dem Steckverbinder und dem Gegenstecker gewährleistet ist. Bei diesen Steckverbindern besteht der Nachteil, dass die Montage vergleichsweise aufwändig ist und dass zwischen den Steckern einer Steckerreihe ein minimaler Abstand für das Ansetzen eines Werkzeuges vorhanden sein muss.Coaxial plug connectors are known from US Pat. No. 5,088,937, DE 3117320 and EP 0 867 978 A2, each having a plug housing which is open at one end for plugging in a mating plug and which is penetrated by a channel in which an inner conductor contact is arranged insulated Connecting means for mechanically connecting the connector housing with the mating connector. These connectors each have an external thread on which the mating connector is screwed. By means of this screw connection, the two adjoining outer conductor contact surfaces are tensioned against each other. This clamping force must reach a minimum axial force, so that the electrical contact of the outer conductor between the connector and the mating connector is guaranteed. These connectors have the disadvantage that the mounting comparatively is complex and that between the plugs of a connector row a minimum distance for the attachment of a tool must be present.

Um derartige Steckverbinder einfacher sowie schneller montierbar und dennoch funktionssicher zu machen, wurde in der EP 1 222 717 B1 ein koaxialer Steckverbinder und Gegenstecker vorgeschlagen, wobei der Steckverbinder ein Steckgehäuse aufweist, das an seiner Stirnseite zum Aufstecken des Gegensteckers offen ist und das von einem Kanal durchsetzt ist, in dem ein Innenleiterkontakt isoliert angeordnet ist. Der Steckverbinder umfasst ferner Verbindungsmittel zum mechanischen Verbinden des Steckergehäuses mit dem Gegenstecker, wobei der Gegenstecker beim Aufstecken mit den Verbindungsmitteln verrastet. Die Verbindungsmittel sind derart ausgebildet, dass sie auf den Gegenstecker eine axiale Spannung ausüben, wobei die Verbindungsmittel eine radial dehnbare Spannhülse aufweisen, welche mit dem Gegenstecker beim genannten Aufstecken an einer Spannfläche verrastbar ist. Die Verbindungsmittel leiten eine radiale Kraft an der Spannfläche in eine axiale Kraftkomponente um, welche eine Außenleiterkontaktfläche des Gegensteckers gegen eine Außenleiterkontaktfläche des Steckverbinders spannt. Dieser Aufbau hat jedoch den Nachteil, dass bereits geringe toleranzbedingte Variationen von Abmessungen des Steckverbinders zu einer erheblichen Änderung der Spannkraft für den Außenleiterkontakt führen, was die saubere und funktionssichere Übertragung von hohen Frequenzen in Frage stellt. Diese Spannkraft für den Außenleiterkontakt hängt zusätzlich in einem erheblichen Maß von den Oberflächeneigenschaften der schrägen Fläche ab. Daher ist dieser Stecker, wenn er auch für hohe Frequenzen sicher funktionsfähig sein soll, sehr teuer und aufwändig in der Herstellung, da enge Toleranzbereiche eingehalten und hochwertige Materialien mit speziellen Oberflächenbearbeitungen für die Bauteile im Bereich der schrägen Fläche angewendet werden müssen. Zusätzlich ist es von Nachteil, dass konstruktionsbedingt die Spannkraft für den Außenleiterkontakt auf einige 10 N beschränkt ist.In order to make such connectors easier and faster to assemble and yet functionally reliable, a coaxial connector and mating connector has been proposed in EP 1 222 717 B1, wherein the connector has a plug housing which is open at its end for attaching the mating connector and that of a channel is interspersed, in which an inner conductor contact is arranged isolated. The connector further comprises connecting means for mechanically connecting the plug housing with the mating connector, wherein the mating connector locks when plugged with the connecting means. The connecting means are designed such that they exert an axial tension on the mating connector, wherein the connecting means comprise a radially expandable clamping sleeve, which can be latched to the mating connector when said plugging on a clamping surface. The connecting means divert a radial force on the clamping surface into an axial force component which biases an outer conductor contact surface of the mating connector against an outer conductor contact surface of the connector. However, this design has the disadvantage that even small tolerances caused by variations in dimensions of the connector to a significant change in the clamping force for the outer conductor contact, which makes the clean and reliable transmission of high frequencies in question. This clamping force for the outer conductor contact additionally depends to a considerable extent on the surface properties of the inclined surface. Therefore, this plug, even if it should be safe for high frequencies, very expensive and expensive to manufacture, since tight tolerances must be respected and high-quality materials with special surface treatments for the components in the oblique surface must be applied. In addition, it is disadvantageous that, by design, the clamping force for the outer conductor contact is limited to a few 10 N.

Aus der EP 0 664 578 A1 ist weiterhin ein Steckverbinder bekannt, wobei zwischen den Außenleitern von Stecker und Gegenstecker eine Schraubenfeder angeordnet ist, welche an den jeweiligen Stirnflächen der Außenleiter anschlägt und die Außenleiter axial auseinander gegen einen Anschlag drückt. Den elektrischen Außenleiterkontakt stellt dabei die Schraubenfeder selbst her.From EP 0 664 578 A1 a connector is also known, wherein arranged between the outer conductors of the plug and mating connector a coil spring is, which abuts against the respective end faces of the outer conductor and presses the outer conductor axially apart against a stop. The electrical outer conductor contact thereby produces the coil spring itself.

Aus der DE 197 49 130 C1 ist ein elektrischer Steckverbinder mit Schnellverriegelung bekannt, welcher ein erstes Steckerelement, ein zweites Steckerelement und einen Verriegelungsring am zweiten Steckerelement aufweist. Dieser Verriegelungsring weist radial nach innen gerichtete und in Einschubrichtung des ersten Steckerelementes geneigte Rastzungen auf. Diese Rastzungen dringen in einem Verriegelungszustand des Steckverbinders elastisch und in radialer Richtung in eine Nut am ersten Steckerelement ein und verhindern ein unbeabsichtigtes Lösen der Steckverbindung. Es ist jedoch in keiner Weise vorgesehen, dass diese Rastzungen funktionell an der Herstellung eines Kontaktdruckes an den aneinander anschlagenden Stirnflächen der Außenleiter von erstem und zweitem Steckerelement beteiligt sind. Zwar sind Kanten der Nut abgerundet, dies dient jedoch lediglich einem reibungsarmen Verriegeln des Steckverbinders. Im Gegenteil führt die Abrundung zu einem Spiel der Steckverbindung in axialer Richtung. Bei axialer auseinander ziehender Kraftweinwirkung auf den Steckverbinder können sich das erste Steckerelement und das zweite Steckerelement axial voneinander entfernen, da die Rastzungen entlang der Abrundung gleiten können, wodurch sich der Kontakt an den aneinander anschlagenden Stirnflächen der Außenleiter von erstem und zweitem Steckerelement verschlechtert. Zwar drücken die Rastzungen aufgrund der Schräge in der Nut das erste Steckerelement axial zurück in Richtung des zweiten Steckerelementes, diese rückstellende Kraft endet jedoch sofort, wenn die Rastzungen das Tal der Nut erreichen. Außerdem nimmt die axiale Rückstellkraft ab, je weiter erstes und zweites Steckerelement zusammengesteckt sind.From DE 197 49 130 C1 an electrical connector with quick lock is known, which has a first connector element, a second connector element and a locking ring on the second connector element. This locking ring has radially inwardly directed and inclined in the direction of insertion of the first connector element latching tongues. These locking tongues penetrate in a locking state of the connector elastically and in the radial direction in a groove on the first connector element and prevent inadvertent release of the connector. However, it is provided in any way that these locking tongues are functionally involved in the production of a contact pressure at the abutting end faces of the outer conductor of the first and second connector element. Although edges of the groove are rounded, but this is only a low-friction locking of the connector. On the contrary, the rounding leads to a play of the connector in the axial direction. With axial pulling apart Kraftweinwirkung on the connector, the first connector element and the second connector element can axially move away from each other, since the locking tongues can slide along the rounding, whereby the contact at the abutting end faces of the outer conductor of the first and second connector element deteriorates. Although press the locking tongues due to the slope in the groove, the first connector element axially back towards the second connector element, but this restoring force ends immediately when the locking tongues reach the valley of the groove. In addition, the axial restoring force decreases, the more first and second plug element are plugged together.

Der Erfindung liegt die Aufgabe zugrunde, einen Koaxialsteckverbinder der o.g. Art bzgl. Herstellung und Montage sowie Betriebssicherheit und elektrischer Eigenschaften zu verbessern.The invention has for its object to improve a coaxial connector of the type mentioned above. Manufacturing and assembly and reliability and electrical properties.

Diese Aufgabe wird erfindungsgemäß durch einen Koaxialsteckverbinder der o.g. Art mit den in Anspruch 1 gekennzeichneten Merkmalen gelöst. Vorteilhafte Ausgestaltungen der Erfindung sind in den weiteren Ansprüchen beschrieben.This object is achieved by a coaxial connector of o.g. Art solved with the features characterized in claim 1. Advantageous embodiments of the invention are described in the further claims.

Bei einem Koaxialsteckverbinder der o.g. Art ist es erfindungsgemäß vorgesehen, dass die ringförmige Fläche am separaten Bauteil des Außenleiterbauteils, an der sich der Ring abstützt, relativ zu einer Normalen zur Längsachse des Koaxialsteckverbinders derart geneigt ist, dass ein radial inneres Ende der Fläche näher am koaxialkabelseitigen Ende liegt als ein radial äußeres Ende der Fläche.In a coaxial connector of o.g. It is inventively provided that the annular surface on the separate component of the outer conductor component, on which the ring is supported, relative to a normal to the longitudinal axis of the coaxial connector is inclined so that a radially inner end of the surface is closer to coaxial cable end than a radial outer end of the surface.

Dies hat den Vorteil, dass der Ring durch das Einstecken des Koaxialgegensteckverbinders radial aufgeweitet wird und durch das Zusammenwirken der radial nach innen wirkenden Rückstellkraft des Ringes mit der schrägen Fläche, an der sich der Ring abstützt, der Ring axial in Richtung des koaxialkabelseitigen Endes gedrückt wird und über einen entsprechenden Anschlag am Koaxialgegensteckverbinder diesen in Richtung des koaxialkabelseitigen Endes des Koaxialsteckverbinders drückt und damit eine hohe Andruckkraft zwischen den aneinander anschlagenden Stirnflächen vom Außenleiter des Koaxialsteckverbinders und dem Außenleiter des Koaxialgegensteckverbinders erzeugt, was zu einem funktionssicheren elektrischen Kontakt zwischen den Außenleitern von Koaxialsteckverbinder und Koaxialgegensteckverbinder mit entsprechend hoher Übertragungsbandbreite für Hochfrequenz führt. Insgesamt steht dadurch eine hohe axiale Spannkraft zum Herstellen des Außenleiterkontaktes zwischen dem Außenleiter des Koaxialsteckverbinders und dem Außenleiter des Koaxialgegensteckverbinders zur Verfügung. Diese Spannkraft für den Außenleiterkontakt kann durch entsprechende Ausbildung des Ringes sehr hoch, beispielsweise 160N oder mehr, sein.This has the advantage that the ring is radially expanded by the insertion of the Koaxialgegensteckverbinders and by the cooperation of the radially inward restoring force of the ring with the inclined surface on which the ring is supported, the ring is pressed axially in the direction of coaxial cable end and pushes a corresponding stop on Koaxialgegensteckverbinder this towards the coaxial cable end of the coaxial connector and thus generates a high pressure force between the abutting faces of the outer conductor of the coaxial connector and the outer conductor of Koaxialgegensteckverbinders, resulting in a functionally reliable electrical contact between the outer conductors of coaxial connector and Koaxialgegensteckverbinder with correspondingly high transmission bandwidth for high frequency leads. Overall, this provides a high axial clamping force for producing the outer conductor contact between the outer conductor of the coaxial connector and the outer conductor of the Koaxialgegensteckverbinders available. This clamping force for the outer conductor contact can be very high, for example 160N or more, by appropriate design of the ring.

Zweckmäßigerweise ist der Ring derart ausgebildet, dass sich ein Innendurchmesser des Ringes von einem axialen Ende zu einem gegenüberliegenden axialen Ende des Ringes verkleinert.Conveniently, the ring is formed such that an inner diameter of the ring decreases from an axial end to an opposite axial end of the ring.

Zum festen Verriegeln eines in den Koaxialsteckverbinder eingesteckten Koaxialgegensteckverbinders ist der Ring derart in dem Koaxialsteckverbinder angeordnet, dass dasjenige axiale Ende des Ringes mit dem kleineren Innendurchmesser dem koaxialkabelseitigen Ende des Koaxialsteckverbinders zugewandt ist und dasjenige axiale Ende des Ringes mit dem größeren Innendurchmesser an der ringförmige Fläche am Außenleiter des Koaxialsteckverbinders anschlägt.For firmly locking a plugged into the coaxial connector Koaxialgegensteckverbinders the ring is arranged in the coaxial connector, that that axial end of the ring with the smaller inner diameter facing the coaxial cable end of the coaxial connector and that axial end of the ring with the larger inner diameter at the annular surface on Outer conductor of the coaxial connector strikes.

Zweckmäßigerweise weist die Griffhülse eine U-förmige Erweiterung auf, welche derart ausgebildet ist, dass diese bei axialer Verschiebung der Griffhülse in Richtung des koaxialkabelseitigen Endes des Koaxialsteckverbinders in den Ring eingreift und diesen radial aufweitet.Conveniently, the grip sleeve has a U-shaped extension which is designed such that it engages in axial displacement of the grip sleeve in the direction of the coaxial cable end of the coaxial connector in the ring and this radially expands.

Die Erfindung wird im Folgenden anhand der Zeichnung näher erläutert. Diese zeigt in:

Fig. 1
eine bevorzugte Ausführungsform eines erfindungsgemäßen Koaxialsteckverbinders in Schnittansicht.
Fig. 2
den Koaxialsteckverbinder gemäß Fig. 1 in Schnittansicht mit eingestecktem Koaxialgegensteckverbinder,
Fig. 3
ein Federelement des Koaxialsteckverbinders gemäß Fig. 1 in Form eines geschlitzten Ringes in teilweise geschnittener Seitenansicht und
Fig. 4
den Ring von Fig. 3 in Aufsicht.
The invention will be explained in more detail below with reference to the drawing. This shows in:
Fig. 1
a preferred embodiment of a coaxial connector according to the invention in a sectional view.
Fig. 2
1 in a sectional view with plugged in Koaxialgegensteckverbinder,
Fig. 3
a spring element of the coaxial connector of FIG. 1 in the form of a slotted ring in a partially sectioned side view and
Fig. 4
the ring of Fig. 3 in supervision.

Die aus Fig. 1 und 2 ersichtliche, bevorzugte Ausführungsform eines erfindungsgemäßen Koaxialsteckverbinders 10 umfasst ein Außenleiterbauteil 12 mit einem Außenleiter 14 und einer Griffhülse 16. Ein Innenleiterbauteil ist aus Gründen der Übersichtlichkeit nicht dargestellt. Die Griffhülse 16 ist den Außenleiter 14 umgreifend und entlang des Außenleiters 14 in axialer Richtung verschiebbar angeordnet. Der Koaxialsteckverbinder 10 ist zum Verbinden mit einem Koaxialkabel an einem koaxialkabelseitigen Ende 20 und zum Einstecken eines Koaxialgegensteckverbinders 22 an einem steckseitigen Ende 24 ausgebildet. Der Außenleiter 14 des Außenleiterbauteils 12 des Koaxialsteckverbinders 10 bildet eine Stirnfläche 18 aus, die in Richtung des steckseitigen Endes 24 des Koaxialsteckverbinders 10 gerichtet ist. Der Koaxialgegensteckverbinder 22 umfasst einen Außenleiter 28. Ein Innenleiter und ein Isolierteil des Koaxialgegensteckverbinder 22 sind aus Gründen der Übersichtlichkeit nicht dargestellt. Der Außenleiter 28 des Koaxialgegensteckverbinder 22 bildet eine Stirnfläche 26 aus. In gestecktem Zustand (Fig. 2) stoßen die Stirnfläche 18 des Außenleiters 14 des Koaxialsteckverbinders 10 und die Stirnfläche 26 des Außenleiters 28 des Koaxialgegensteckverbinders 22 aneinander und bilden den Außenleiterkontakt. Dieser Außenleiterkontakt bzw. die Stirnfläche 18 des Koaxialsteckverbinders 10 bildet gleichzeitig eine elektrische und mechanische Referenzebene 30 des Koaxialsteckverbinders 10.The apparent from FIGS. 1 and 2, preferred embodiment of a coaxial connector 10 according to the invention comprises an outer conductor member 12 having an outer conductor 14 and a grip sleeve 16. An inner conductor component is not shown for reasons of clarity. The grip sleeve 16 is the outer conductor 14 encompassing and slidably disposed along the outer conductor 14 in the axial direction. The coaxial connector 10 is formed to connect to a coaxial cable at a coaxial cable end 20 and to insert a coaxial mating connector 22 at a mating end 24. The outer conductor 14 of the outer conductor component 12 of the coaxial connector 10 forms an end face 18, which is directed in the direction of the plug-side end 24 of the coaxial connector 10. The coaxial mating connector 22 includes an outer conductor 28. An inner conductor and an insulating member of the coaxial mating connector 22 are not shown for the sake of clarity. The outer conductor 28 of the Koaxialgegensteckverbinder 22 forms an end face 26. In the inserted state (Fig. 2), the end face 18 of the outer conductor 14 of the coaxial connector 10 and the end face 26 of the outer conductor 28 of the Koaxialgegensteckverbinders 22 abut each other and form the outer conductor contact. This outer conductor contact or the end face 18 of the Coaxial connector 10 simultaneously forms an electrical and mechanical reference plane 30 of the coaxial connector 10th

Der Außenleiter 14 des Koaxialsteckverbinders 10 und der Außenleiter 28 des Koaxialgegensteckverbinders 22 sind symmetrisch zu einer Längsachse 31 ausgebildet.The outer conductor 14 of the coaxial connector 10 and the outer conductor 28 of the Koaxialgegensteckverbinders 22 are formed symmetrically to a longitudinal axis 31.

Benachbart zum steckseitigen Ende 24 des Koaxialsteckverbinders 10 ein Federelement 32 in Form eines Ringes mit radialem Schlitz, angeordnet, welches sich in Richtung des steckseitigen Endes 24 des Koaxialsteckverbinders 10 an einem Anschlag in Form einer ringförmigen Fläche 34 abstützt, die an dem Außenleiter 14 des Außenleiterbauteils 12 des Koaxialsteckverbinders 10 ausgebildet ist. Diese ringförmige Fläche 34 ist derart schräg bzw. verkippt bzgl. einer Normalen zur Längsachse 31 ausgebildet, dass ein radial inneres Ende der ringförmigen Fläche 34 näher am koaxialkabelseitigen Ende 20 des Koaxialsteckverbinders 10 angeordnet ist als ein radial äußeres Ende der ringförmigen Fläche 34. Mit anderen Worten ist die Fläche 34 derart ausgebildet, dass sich ein Außendurchmesser an der Fläche 34 von dem koaxialkabelseitigen Ende 20 in Richtung zum steckseitigen Ende 24 des Koaxialsteckverbinders 10 konisch erweitert. In der dargestellten, beispielhaften Ausführungsform ist die Fläche 34 an einem separaten Bauteil 35 des Außenleiters 14 des Koaxialsteckverbinders 10 ausgebildet. Dieses separate Bauteil 35 ist auf den Außenleiter 14 des Koaxialsteckverbinders 10 aufgepresst und bildet einen Teil des Außenleiters 14 aus.Adjacent to the plug-side end 24 of the coaxial connector 10, a spring element 32 in the form of a ring with a radial slot, which is supported in the direction of the plug-side end 24 of the coaxial connector 10 to a stop in the form of an annular surface 34 which on the outer conductor 14 of the outer conductor component 12 of the coaxial connector 10 is formed. This annular surface 34 is inclined or tilted with respect to. A normal to the longitudinal axis 31 formed such that a radially inner end of the annular surface 34 closer to the coaxial cable end 20 of the coaxial connector 10 is arranged as a radially outer end of the annular surface 34. With others Words, the surface 34 is formed such that an outer diameter on the surface 34 of the coaxial cable-side end 20 towards the plug-side end 24 of the coaxial connector 10 widens conically. In the illustrated exemplary embodiment, the surface 34 is formed on a separate component 35 of the outer conductor 14 of the coaxial connector 10. This separate component 35 is pressed onto the outer conductor 14 of the coaxial connector 10 and forms part of the outer conductor 14.

Der aus Fig. 3 und 4 ersichtliche Ring 32 ist mit einem radialen Schlitz 36 ausgebildet, welcher den Ring 32 in Umfangsrichtung unterbricht. Der Ring 32 ist ferner aus einem federelastischen Werkstoff hergestellt, so dass der Ring 32 radial nach außen elastisch aufgeweitet werden kann und dabei eine elastische Rückstellkraft in radialer Richtung nach innen erzeugt. Der Ring 32 weist einen Innendurchmesser auf, der sich ausgehend von einem ersten axialen Ende 38 bis zu einem zweiten axialen Ende 40 konisch verringert.The apparent from Fig. 3 and 4 ring 32 is formed with a radial slot 36 which interrupts the ring 32 in the circumferential direction. The ring 32 is further made of a resilient material, so that the ring 32 can be elastically expanded radially outward, thereby generating an elastic restoring force in the radial direction inwards. The ring 32 has an inner diameter which tapers conically from a first axial end 38 to a second axial end 40.

Aus den Fig. 1 und 2 ist unmittelbar ersichtlich, dass der Ring 32 in dem Koaxialsteckverbinders 10 derart angeordnet ist, dass das erste Ende 38 des Ringes 32 mit dem größeren Innendurchmesser an der schrägen Fläche 34 am Außenleiter 14 des Koaxialsteckverbinders 10 anschlägt und das zweite Ende 40 des Ringes 32 mit dem kleineren Innendurchmesser dem koaxialkabelseitigen Ende 20 des Koaxialsteckverbinders 10 zugewandt ist. Der Ring 32 ist dabei derart ausgebildet, dass ein Innendurchmesser am zweiten Ende 40 des Ringes 32 kleiner ist als ein Innendurchmesser des Außenleiters 14 im Bereich des Ringes 32. Mit anderen Worten ragt das zweite Ende 40 des Ringes 32 mit dem kleineren Innendurchmesser in den Innenraum innerhalb des Außenleiters 14 des Koaxialsteckverbinders 10 hinein.From Figs. 1 and 2 it is immediately apparent that the ring 32 is arranged in the coaxial connector 10 such that the first end 38 of the ring 32 with the larger inner diameter abuts the inclined surface 34 on the outer conductor 14 of the coaxial connector 10 and the second End 40 of the ring 32 with the smaller inner diameter facing the coaxial cable end 20 of the coaxial connector 10. The ring 32 is designed such that an inner diameter at the second end 40 of the ring 32 is smaller than an inner diameter of the outer conductor 14 in the region of the ring 32. In other words, projects the second end 40 of the ring 32 with the smaller inner diameter in the interior within the outer conductor 14 of the coaxial connector 10 inside.

Wird nun der Koaxialgegensteckverbinder 22 in den Koaxialsteckverbinder 10 in axialer Richtung in das zweite Ende 24 des Koaxialsteckverbinders 10 eingeschoben, so weitet der Außenleiter 28 des Koaxialgegensteckverbinder 22 den Ring 32 radial nach außen auf. Der Ring 32 wird dadurch entlang der Fläche 34 radial nach außen verschoben und gibt dadurch den Weg zum Einstecken des Koaxialgegensteckverbinder 22 in den Koaxialsteckverbinder 10 frei. Zum radialen Aufweiten des Ringes 32 beim Einstecken des Koaxialgegensteckverbinder 22 in den Koaxialsteckverbinder 10 weist der Außenleiter 28 des Koaxialgegensteckverbinder 22 eine sich in radialer Richtung nach außen erhebende, schräge Fläche 42 mit geringer Steigung auf, die in einer radiale Erhebung 44 außen am Außenleiter 28 des Koaxialgegensteckverbinder 22 endet. Diese radiale Erhebung 44 fällt in Richtung eines dem Koaxialsteckverbinder 10 abgewandten Endes des Koaxialgegensteckverbinder 22 steil ab, so dass dort ein Anschlag für das zweite Ende 40 des Ringes 32 ausgebildet ist. Sobald also der Koaxialgegensteckverbinder 22 soweit in den Koaxialsteckverbinder 10 eingeschoben ist, dass sich die Erhebung 44 zwischen dem zweiten Ende 40 des Ringes 32 und dem koaxialkabelseitigen Ende 20 des Koaxialsteckverbinders 10 befindet, zieht sich der zunächst aufgeweitete Ring 32 wieder radial nach innen zusammen und verriegelt durch das Anschlagen an der Erhebung 44 den Koaxialgegensteckverbinder 22 in dem Koaxialsteckverbinder 10 gegen ein axiales Herausziehen des Koaxialgegensteckverbinder 22 in Richtung des steckseitigen Endes 24 des Koaxialsteckverbinders 10.Now, if the Koaxialgegensteckverbinder 22 inserted into the coaxial connector 10 in the axial direction in the second end 24 of the coaxial connector 10, so the outer conductor 28 of the Koaxialgegensteckverbinder 22 expands the ring 32 radially outward. The ring 32 is thereby displaced radially outward along the surface 34, thereby releasing the path for insertion of the coaxial mating connector 22 into the coaxial connector 10. For radial expansion of the ring 32 during insertion of the Koaxialgegensteckverbinder 22 in the Koaxialsteckverbinder 10, the outer conductor 28 of the Koaxialgegensteckverbinder 22 in a radially outwardly rising, inclined surface 42 with a slight pitch, in a radial elevation 44 outside of the outer conductor 28 of the Coaxial mating connector 22 ends. This radial elevation 44 drops steeply in the direction of an end of the coaxial opposing connector 22 facing away from the coaxial connector 10, so that a stop for the second end 40 of the ring 32 is formed there. As soon as the Koaxialgegensteckverbinder 22 is inserted into the Koaxialsteckverbinder 10 so far that the survey 44 is located between the second end 40 of the ring 32 and the coaxial cable side end 20 of the coaxial connector 10, the initially expanded ring 32 retracts radially inwardly and locks by abutting the bump 44 the Koaxialgegensteckverbinder 22 in the coaxial connector 10 against an axial Pulling out the Koaxialgegensteckverbinder 22 in the direction of the plug-side end 24 of the coaxial connector 10th

Wie unmittelbar aus Fig. 2 ersichtlich, ist jedoch ein Außenumfang des Außenleiters 28 des Koaxialgegensteckverbinder 22 benachbart zum Anschlag des Ringes 32 an der Erhebung 44 größer ausgebildet als der Innenumfang des Ringes 32 am zweiten Ende 40. Dadurch ist auch bei vollständig in den Koaxialsteckverbinders 10 eingestecktem Koaxialgegensteckverbinder 22 der Ring 32 noch radial nach außen aufgeweitet und erzeugt daher eine radial nach innen gerichtete Kraft. Da sich der Ring mit seinem ersten Ende 38 an der schrägen Fläche 34 abstützt, führt diese elastische, radial nach innen gerichtete Kraft des Ringes 32 dazu, dass der Ring axial in Richtung des koaxialkabelseitigen Endes 24 des Koaxialsteckverbinders 10 gegen die Erhebung 44 drückt. Auf diese Weise drückt die elastische Kraft des Ringes 32 die Stirnflächen 18 und 26 der Außenleiter 14 und 28 gegeneinander und erzeugt dadurch einen zuverlässigen und hochwertigen elektrischen Kontakt zwischen den Außenleitern 14 und 28 von Koaxialsteckverbinder 10 und Koaxialgegensteckverbinder 22.As can be seen directly from FIG. 2, however, an outer circumference of the outer conductor 28 of the Koaxialgegensteckverbinder 22 adjacent to the stop of the ring 32 at the elevation 44 formed larger than the inner circumference of the ring 32 at the second end 40. This is also at completely in the Koaxialsteckverbinders 10th plugged Koaxialgegensteckverbinder 22 of the ring 32 is still widened radially outward and therefore generates a radially inwardly directed force. Since the ring is supported with its first end 38 on the inclined surface 34, this elastic, radially inwardly directed force of the ring 32 causes the ring axially against the protrusion 44 in the direction of the coaxial cable-side end 24 of the coaxial connector 10. In this way, the elastic force of the ring 32 presses the end faces 18 and 26 of the outer conductors 14 and 28 against each other and thereby generates a reliable and high-quality electrical contact between the outer conductors 14 and 28 of Koaxialsteckverbinder 10 and Koaxialgegensteckverbinder 22nd

Eine weitere Stirnfläche 46 des Außenleiters 14 des Koaxialsteckverbinders 10 ist ebenfalls schräg bzgl. einer Normalen zur Längsachse 31 ausgebildet, um dem Ring 32 ausreichend Freiraum für die radiale Erweiterung und Bewegung zu geben.A further end face 46 of the outer conductor 14 of the coaxial connector 10 is also obliquely with respect to. A normal to the longitudinal axis 31 is formed to give the ring 32 sufficient space for the radial expansion and movement.

Die Griffhülse 16 weist am steckseitigen Ende 24 einen U-förmigen Abschnitt 48 auf, welcher radial innenseitig in die dem steckseitigen Ende 24 des Koaxialsteckverbinders 10 zugewandte Seite 38 des Ringes 32 greift. Eine axiale Bewegung der Griffhülse 14 in Richtung des koaxialkabelseitigen Endes 20 des Koaxialsteckverbinders 10 führt durch den Eingriff des U-förmigen Abschnitts 48 an einer Innenseite des Ringes 32 zu einer radialen Aufweitung des Ringes 32, da durch die Verringerung des Innendurchmessers des Ringes 32 dieser an einer Innenfläche schräg ausgebildet ist. Dadurch wird also der Ring 32 entriegelt, d.h. aus dem Eingriff mit der Erhebung 44 gebracht, und der Koaxialgegensteckverbinder 22 kann aus dem Koaxialsteckverbinder 10 in axialer Richtung heraus gezogen werden.The grip sleeve 16 has at the plug-side end 24 a U-shaped section 48, which engages radially inwardly into the plug-side end 24 of the coaxial connector 10 facing side 38 of the ring 32. An axial movement of the grip sleeve 14 in the direction of the coaxial cable-side end 20 of the coaxial connector 10 leads by the engagement of the U-shaped portion 48 on an inner side of the ring 32 to a radial expansion of the ring 32, since by reducing the inner diameter of the ring 32 of this an inner surface is formed obliquely. As a result, therefore, the ring 32 is unlocked, that is brought out of engagement with the survey 44, and the Koaxialgegensteckverbinder 22 can be pulled out of the coaxial connector 10 in the axial direction.

Insgesamt wird also durch die erfindungsgemäße Ausbildung des Koaxialsteckverbinders 10 durch einfaches Einstecken des Koaxialgegensteckverbinders 22 in den Koaxialsteckverbinder 10 automatisch eine mechanische Verbindung zwischen Koaxialgegensteckverbinder 22 und Koaxialsteckverbinder 10 hergestellt und gleichzeitig eine ausreichende Andruckkraft (Spannkraft) für den Außenleiterkontakt an den Stirnflächen 18 und 26 ohne zusätzliche Montagemaßnahmen zuverlässig erzeugt.Overall, therefore, by the inventive design of the coaxial connector 10 by simply plugging the Koaxialgegensteckverbinders 22 in the Koaxialsteckverbinder 10 automatically made a mechanical connection between Koaxialgegensteckverbinder 22 and coaxial connector 10 and at the same time a sufficient pressure force (clamping force) for the outer conductor contact on the end faces 18 and 26 without additional Assembly measures reliably generated.

Claims (4)

  1. Coaxial connector (10) designed for connecting to a coaxial cable at a cable-side end (20) and for inserting a coaxial mating connector (22) at a plug-side end (24), having an external conductor component (12) with an external conductor (14) which has an end face (18) facing in the direction of the plug-side end (24) for making an external conductor contact with a corresponding end face (26) of an external conductor (28) of the coaxial mating connector (22), wherein a spring element is arranged on the external conductor component (12) of the coaxial connector (10) and designed such that it is supported in the direction of the plug-side end (24) of the coaxial connector (10) against an annular surface (34) on the external conductor (14) of the coaxial connector (10), wherein the spring element is a ring (32) which is designed interrupted in the circumferential direction and is designed such that the ring (32) is elastically expansible in the radial direction, wherein an internal diameter of the ring (32) is designed such that it is smaller than an internal diameter of the external conductor (14) of the coaxial connector (10) in the region of the ring (32), wherein the surface (34) on the external conductor (14) of the external conductor component (12) of the coaxial connector (10) is formed on a portion (35) of the external conductor (14) which is pressed as a separate component (35) onto the external conductor (14) of the external conductor component (12) of the coaxial connector (10), wherein the external conductor component (12) of the coaxial connector (10) also has a grip sleeve (16) which is displaceable in the axial direction along the external conductor (14) of the external conductor component (12) of the coaxial connector (10), characterised in that the annular surface (34) on the separate component (35) of the external conductor component (12) on which the ring (32) is supported, is inclined relative to a normal to the longitudinal axis (31) of the coaxial connector (10) such that a radially inward end of the surface (34) lies closer to the coaxial cable-side end (20) than a radially outward end of the surface (34).
  2. Coaxial connector (10) according to claim 1, characterised in that the ring (32) is designed such that an internal diameter of the ring (32) becomes smaller from one axial end (38) to an opposing axial end (40) of the ring (32).
  3. Coaxial connector (10) according to claim 2, characterised in that the ring (32) is arranged in the coaxial connector (10) such that the axial end (40) of the ring (32) having the smaller internal diameter faces towards the coaxial cable-side end of the coaxial connector (10) and the axial end (38) of the ring (32) having the larger internal diameter rests against the annular surface (34) on the external conductor (14) of the coaxial connector (10).
  4. Coaxial connector (10) according to at least one of the preceding claims, characterised in that the grip sleeve (16) has a U-shaped extension (48) which is designed such that, on axial displacement of the grip sleeve (16) in the direction of the coaxial cable-side end (20) of the coaxial connector (10), said extension engages in the ring (32) and expands it radially.
EP20050020345 2004-09-22 2005-09-19 Coaxial connector Active EP1641086B1 (en)

Applications Claiming Priority (1)

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DE102004045985 2004-09-22

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WO2017144121A1 (en) 2016-02-26 2017-08-31 Rosenberger Hochfrequenztechnik Gmbh & Co. Kg Self-closing contact sleeve

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CN2896603Y (en) * 2006-09-29 2007-05-02 瞿金良 Fast-plugging self-locking type radio coaxial connector
CN100459317C (en) * 2006-09-29 2009-02-04 瞿金良 Coaxial connector in radio frequency
WO2008128940A1 (en) 2007-04-20 2008-10-30 Huber + Suhner Ag Optical connector
JP6576792B2 (en) * 2015-11-04 2019-09-18 日本航空電子工業株式会社 Connector assembly locking structure
WO2018065612A1 (en) * 2016-10-06 2018-04-12 Huber+Suhner Ag Quick-lock-connector
EP3627635B1 (en) 2018-09-19 2022-11-02 Rosenberger Hochfrequenztechnik GmbH & Co. KG Connecting element, module connection, circuit board arrangement and method for fabrication of a connecting element
US11296465B2 (en) 2018-12-21 2022-04-05 Rosenberger Hochfrequenztechnik Gmbh & Co. Kg Electrical plug-in connection, assembly connection and circuit board arrangement

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FR2492598A1 (en) * 1980-10-22 1982-04-23 Radiall Sa ELECTRICAL CONNECTOR WITH QUICK LOCKING AND UNLOCKING
DE19749130C1 (en) * 1997-11-06 1999-08-26 Siemens Ag Electrical connector with quick lock
FR2828343B1 (en) * 2001-08-03 2004-06-11 Radiall Sa COAXIAL CONNECTOR WITH LATCHING
DE50303152D1 (en) * 2002-02-14 2006-06-08 Radiall Voreppe Electrical connector
ATE326068T1 (en) * 2002-10-22 2006-06-15 Tyco Electronics Belgium Ec Nv ELECTRICAL CONNECTOR WITH LOCKING RING, ESPECIALLY A COAXIAL CONNECTOR

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017144121A1 (en) 2016-02-26 2017-08-31 Rosenberger Hochfrequenztechnik Gmbh & Co. Kg Self-closing contact sleeve
US10249995B2 (en) 2016-02-26 2019-04-02 Rosenberger Hochfrequenztechnik Gmbh Self-closing contact sleeve

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DK1641086T3 (en) 2007-03-26
DE502005000310D1 (en) 2007-02-22
EP1641086A1 (en) 2006-03-29

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