EP0772261A2 - Coaxial connector - Google Patents

Coaxial connector Download PDF

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Publication number
EP0772261A2
EP0772261A2 EP96115922A EP96115922A EP0772261A2 EP 0772261 A2 EP0772261 A2 EP 0772261A2 EP 96115922 A EP96115922 A EP 96115922A EP 96115922 A EP96115922 A EP 96115922A EP 0772261 A2 EP0772261 A2 EP 0772261A2
Authority
EP
European Patent Office
Prior art keywords
sleeve
locking
outer sleeve
socket part
thin
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
EP96115922A
Other languages
German (de)
French (fr)
Other versions
EP0772261B1 (en
EP0772261A3 (en
Inventor
Dietmar Harting
Horst Dipl.-Ing. Blomenkamp
Ralf Dipl.-Ing. Bokämper
Dirk Dipl.-Ing. Oberhokamp
Stephan Dipl.-Ing. Schreier
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 Stiftung and Co KG
Original Assignee
Harting AG and Co KG
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Filing date
Publication date
Application filed by Harting AG and Co KG filed Critical Harting AG and Co KG
Publication of EP0772261A2 publication Critical patent/EP0772261A2/en
Publication of EP0772261A3 publication Critical patent/EP0772261A3/en
Application granted granted Critical
Publication of EP0772261B1 publication Critical patent/EP0772261B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles

Definitions

  • the invention relates to a coaxial plug-in connection consisting of a socket part and a pin part with releasable locking using resilient or resilient locking elements on the one connecting part and complementary locking means on the other connecting part, wherein the locking elements from or from the locking means by a preferably Force directed orthogonally to the axis of the plug connection can be released, which cannot be generated by pulling the two lines, and wherein a spring element independent of the locking element on one of the two connecting parts exerts an axial resistance during the plugging process and repels the other connecting part as long as the locking is not is effectively engaged.
  • Such connectors are used for the secure connection of coaxial cables in high frequency technology, it must be ensured that the connection is always properly plugged together.
  • a coaxial connector in which a compression spring is provided which pushes the two coaxial connectors apart when not properly assembled, so that an incorrect connection of the two coaxial connectors can be recognized immediately.
  • the known connector is also provided with a lock that holds the coaxial connector together after assembly.
  • the compression spring of this connector is arranged over the outer shielding sleeve of the plug-in coaxial connector and takes up a relatively large amount of space.
  • the invention has for its object to provide a coaxial connector of the type mentioned in that it can be miniaturized while maintaining the impedance of the known connectors.
  • the outer sleeve of the pin part has a front, thin-walled sleeve which can be inserted into the socket part, that an unlocking sleeve which is longitudinally displaceable on the sleeves is provided in that resilient latching hooks bent out of the thin-walled sleeve through openings in the unlocking sleeve to the outside have, the locking hooks have a front bevel and a rear locking end and the locking sleeve is pushed forward by the bevel that the socket part has an outer sleeve into which a helical compression spring is inserted, that a pressure sleeve provided with shoulders is inserted into the outer sleeve, the front end of which is immersed in the compression spring and the rear end of which is slidably held in the outer sleeve, and in that an end sleeve is inserted into the outer sleeve, the inner edge of the end sleeve on the one hand providing a stop for
  • the advantages achieved by the invention are, in particular, that the thin-walled sleeve at the front end of the pin part, which is inserted into the outer sleeve of the socket part when the plug connection is assembled, and with latching hooks and spring tongues which are bent out on the thin-walled sleeve and which, on the one hand, the latching and on the other hand, the electrical contact of the sleeve with the outer sleeve of the socket part are used, the outer dimensions of the complete connector are kept extremely small.
  • the socket part 1 shown in FIGS. 1 and 2 for a coaxial sealed connection essentially consists of a round outer sleeve 2, in which a socket 4 held in an insulating part 3 is arranged centrally.
  • the socket is provided with a connection end 5, which is formed here, for example, as a connection to a printed circuit board.
  • the outer sleeve 2 is pressed into a mounting flange 6 here.
  • the socket part is designed to connect a coaxial cable.
  • a helical compression spring 7 is arranged within the outer sleeve and rests on an inner shoulder 8 of the outer sleeve.
  • a pressure sleeve 9 is also inserted into the outer sleeve.
  • the pressure sleeve has a front, stepped end 10 which is pushed into the helical compression spring until the compression spring rests on the shoulder 11 formed thereby.
  • the inside diameter of the pressure sleeve is dimensioned such that it slides centrally on the insulating part 3, and the outer diameter of the non-offset part is dimensioned so that smooth sliding in the outer sleeve 2 is possible.
  • the inside diameter of the pressure sleeve is enlarged in the non-offset area in order to allow the front sleeve of the mating connector (the pin part) described below to be immersed.
  • the socket part also has a front end sleeve 12, which is pressed into the outer sleeve 2.
  • the front edge 13 of this end sleeve then prevents the pressure sleeve from sliding out of the socket part.
  • the outer sleeve 2 and the end sleeve 12 are made of metallic, electrically conductive material.
  • the pin part 14 for the coaxial plug connection shown in FIGS. 3 and 4 essentially consists of a round outer sleeve 15 in which a contact pin 17 held in an insulating part 16 is arranged centrally.
  • a thin-walled, front sleeve 18 is inserted into the outer sleeve, which projects beyond the contact pin to the front.
  • two resilient locking hooks 19 are cut out of the sleeve material and bent out.
  • the latching hooks have a slope 20 and a rear end 21, which extends at right angles to the axis of the pin part. Furthermore, two spring-elastic contact tongues 22 are cut out of the sleeve material and bent out on likewise opposite sides of the sleeve. The latching hooks 19 and the contact tongues are then each offset by 90 °.
  • the contact tongues are shaped in such a way that, when the plug connection (FIG. 5) is assembled, they press resiliently against the inner surface of the end sleeve and establish a perfect electrical contact between the sleeve 18 of the pin part and the sleeve 12, 2 of the socket part.
  • An axially displaceable unlocking sleeve 23 is arranged above the outer sleeve 15 and the front sleeve 18.
  • This unlocking sleeve is provided with slot-shaped openings 24, 25 in the region of the latching hooks and the contact tongues through which they protrude.
  • the presses Slant 20 of the locking hooks on the edge of the respective passage opening in such a way that the sleeve 18 is pressed forward into the "locking position", while when the front "end position" is reached a shoulder 26 of the contact tongues at the edge of the openings 25, through which the contact tongues follow protrude from the outside, comes to rest and prevents further movement of the unlocking sleeve.
  • the contact pin 17 is provided at its connection end 27 with a crimp connection to which the center conductor of a coaxial cable 28 is connected.
  • the coaxial cable is pushed into the outer sleeve 15 of the pin part, and the shield 29 of the cable is electrically conductively connected to the outer sleeve. 5 and 6, an assembled connector is shown.
  • the pin part 14 is inserted into the socket part 1
  • the front, thin-walled sleeve 18 is pushed into the socket part and then presses on the pressure sleeve 9, the compression spring being compressed.
  • the contact pin 17 enters the socket 4 and makes electrical contact with it.
  • the bevels 20 of the locking hooks 19 When inserted, the bevels 20 of the locking hooks 19 first reach the outer edge of the end sleeve 12 and are then first bent inwards. As soon as the pin part is pushed far enough into the socket part, ie when the locking hooks are pushed through the end sleeve, the locking hooks 19 spring outwards and their ends 21 come behind the front (inner) edge 13 of the end sleeve. As a result, the pin part and the socket part are then locked together.
  • the contact tongues 22 press against the inside of the end sleeve 12 and improve the electrical contacting of the outer sleeves 2, 15 of the plug connection.
  • the compression spring ensures that the two connector parts are always pushed apart again as long as the latching is not properly engaged.
  • the unlocking sleeve 23 which is preferably made of plastic material, is provided.
  • This unlocking sleeve is arranged on the pin part 14 and is used to cancel the Lock moved opposite to the direction of insertion on the pin part.
  • the edges of the openings 24 then press against the bevel 20 of the locking hooks 19, and the locking hooks are bent inwards such that their ends 21 disengage from the edge of the end sleeve and the compression spring pushes the pin part out of the socket part.

Abstract

Für eine Koaxial-Steckverbindung bestehend aus einem Buchsenteil und einem Stiftteil mit einer lösbaren Verriegelung der beiden Teile, wobei ein vom Verriegelungselement unabhängiges Federelement an einem der beiden Verbindungsteile beim Steckvorgang einen axialen Widerstand ausübt und das andere Verbindungsteil abstößt, solange die Verriegelung nicht wirksam eingerastet ist, wird vorgeschlagen, die Steckverbindungsteile mit ineinander steckbaren Hülsen zu versehen, wobei an der Hülse des Stiftteils federnde, nach außen weisende Rasthaken vorgesehen sind und eine Entriegelungshülse vorzusehen, die auf die Rasthaken einwirkt und die eine gewollte Entriegelung der Steckverbindung ermöglicht. <IMAGE>For a coaxial plug-in connection consisting of a socket part and a pin part with a releasable locking of the two parts, a spring element independent of the locking element on one of the two connecting parts exerting axial resistance during the plugging process and repelling the other connecting part as long as the locking is not effectively engaged , it is proposed to provide the plug-in connection parts with sleeves which can be plugged into one another, resilient, outwardly pointing latching hooks being provided on the sleeve of the pin part and to provide an unlocking sleeve which acts on the latching hooks and which enables the plug connection to be unlocked as desired. <IMAGE>

Description

Die Erfindung betrifft eine Koaxial-Steckverbindung bestehend aus einem Buchsenteil und einem Stiftteil mit lösbarer Verriegelung unter Verwendung von federnden bzw. federnd gehaltenen Rastelementen an dem einen Verbindungsteil und dazu komplementären Arretierungsmitteln an dem anderen Verbindungsteil, wobei die Rastelemente aus oder von den Arretierungsmitteln durch eine vorzugsweise orthogonal zur Achse der Steckverbindung gerichtete Kraft gelöst werden können, die nicht durch Zug an den beiden Leitungen erzeugt werden kann und wobei ein vom Verriegelungselement unabhängiges Federelement an einem der beiden Verbindungsteile beim Steckvorgang einen axialen Widerstand ausübt und das andere Verbindungsteil abstößt, solange die Verriegelung nicht wirksam eingerastet ist.The invention relates to a coaxial plug-in connection consisting of a socket part and a pin part with releasable locking using resilient or resilient locking elements on the one connecting part and complementary locking means on the other connecting part, wherein the locking elements from or from the locking means by a preferably Force directed orthogonally to the axis of the plug connection can be released, which cannot be generated by pulling the two lines, and wherein a spring element independent of the locking element on one of the two connecting parts exerts an axial resistance during the plugging process and repels the other connecting part as long as the locking is not is effectively engaged.

Derartige Steckverbindungen werden für die sichere Verbindung bei Koaxialkabeln in der Hochfrequenztechnik verwendet, wobei gewährleistet sein muß, daß die Verbindung stets ordnungsgemäß zusammengesteckt wird.Such connectors are used for the secure connection of coaxial cables in high frequency technology, it must be ensured that the connection is always properly plugged together.

Aus dem DE-GM 92 04 991 ist eine Koaxial-Steckverbindung bekannt, bei der eine Druckfeder vorgesehen ist, die die beiden Koaxialstecker bei nicht ordnungsgemäßem Zusammenfügen auseinanderdrückt, so daß eine nicht ordnungsgemäße Verbindung der beiden Koaxialstecker sofort erkannt werden kann. Die bekannte Steckverbindung ist darüber hinaus mit einer Verriegelung versehen, die die Koaxialstecker nach dem Zusammenfügen zusammenhält. Die Druckfeder dieser Steckverbindung ist dabei über der äußeren Abschirmhülse des einsteckbaren Koaxialsteckers angeordnet und beansprucht verhältnismäßig viel Bauraum.From DE-GM 92 04 991 a coaxial connector is known, in which a compression spring is provided which pushes the two coaxial connectors apart when not properly assembled, so that an incorrect connection of the two coaxial connectors can be recognized immediately. The known connector is also provided with a lock that holds the coaxial connector together after assembly. The compression spring of this connector is arranged over the outer shielding sleeve of the plug-in coaxial connector and takes up a relatively large amount of space.

Der Erfindung liegt die Aufgabe zugrunde, eine Koaxial-Steckverbindung der eingangs genannten Art dahingehend auszubilden, daß diese unter Beibehaltung der Impedanz der bekannten Steckverbindungen miniaturisiert werden kann.The invention has for its object to provide a coaxial connector of the type mentioned in that it can be miniaturized while maintaining the impedance of the known connectors.

Diese Aufgabe wird dadurch gelöst, daß die Außenhülse des Stiftteiles eine vordere, dünnwandige Hülse aufweist, die in das Buchsenteil einsteckbar ist, daß eine auf den Hülsen längsverschiebbare Entriegelungshülse vorgesehen ist, daß aus der dünnwandigen Hülse herausgebogene, federnde Rasthaken durch Öffnungen der Entriegelungshülse nach außen weisen, wobei die Rasthaken eine vordere Schräge und ein hinteres Verriegelungsende aufweisen und die Verriegelungshülse durch die Schräge nach vorn gedrückt wird, daß das Buchsenteil eine Außenhülse aufweist, in die eine Schraubendruckfeder eingeschoben ist, daß in die Außenhülse eine mit Absätzen versehene Druckhülse eingeschoben ist, deren vorderes Ende in die Druckfeder eintaucht und deren hinteres Ende in der Außenhülse gleitbeweglich gehalten ist, und daß eine Abschlußhülse in die Außenhülse eingeschoben ist, wobei der innere Rand der Abschlußhülse einerseits einen Anschlag für die Druckhülse und andererseits eine Rastschulter für die Rasthaken bildet.This object is achieved in that the outer sleeve of the pin part has a front, thin-walled sleeve which can be inserted into the socket part, that an unlocking sleeve which is longitudinally displaceable on the sleeves is provided in that resilient latching hooks bent out of the thin-walled sleeve through openings in the unlocking sleeve to the outside have, the locking hooks have a front bevel and a rear locking end and the locking sleeve is pushed forward by the bevel that the socket part has an outer sleeve into which a helical compression spring is inserted, that a pressure sleeve provided with shoulders is inserted into the outer sleeve, the front end of which is immersed in the compression spring and the rear end of which is slidably held in the outer sleeve, and in that an end sleeve is inserted into the outer sleeve, the inner edge of the end sleeve on the one hand providing a stop for the pressure sleeve and others on the one hand forms a locking shoulder for the locking hooks.

Vorteilhafte Ausgestaltungen der Erfindung sind in den Ansprüchen 2 bis 4 angegeben.Advantageous embodiments of the invention are specified in claims 2 to 4.

Die mit der Erfindung erzielten Vorteile bestehen insbesondere darin, daß durch die dünnwandige Hülse am vorderen Ende des Stiftteils, die beim Zusammenfügen der Steckverbindung in die äußere Hülse des Buchsenteils eingeschoben wird und wobei an der dünnwandigen Hülse herausgebogene Rasthaken und Federzungen, die einerseits der Verrastung und andererseits der elektrischen Kontaktierung der Hülse mit der Außenhülse des Buchsenteils dienen, die Außenabmessungen der kompletten Steckverbindung äußerst klein gehalten werden.The advantages achieved by the invention are, in particular, that the thin-walled sleeve at the front end of the pin part, which is inserted into the outer sleeve of the socket part when the plug connection is assembled, and with latching hooks and spring tongues which are bent out on the thin-walled sleeve and which, on the one hand, the latching and on the other hand, the electrical contact of the sleeve with the outer sleeve of the socket part are used, the outer dimensions of the complete connector are kept extremely small.

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

Fig. 1
eine Ansicht eines Buchsenteils im Schnitt,
Fig. 2
die Ansicht des Buchsenteils gern. Fig. 1 im Schnitt um 90° gedreht,
Fig. 3
eine Ansicht eines Stiftteils im Schnitt,
Fig. 4
die Ansicht des Stiftteils gern. Fig. 3 im Schnitt um 90° gedreht,
Fig. 5
eine Ansicht einer zusammengefügten Steckverbindung im Schnitt, und
Fig. 6
die Ansicht der Steckverbindung gem. Fig. 5 im Schnitt um 90° gedreht.
An embodiment of the invention is shown in the drawing and will be described in more detail below. Show it
Fig. 1
a view of a socket part in section,
Fig. 2
like the view of the socket part. 1 rotated on average by 90 °,
Fig. 3
a view of a pin part in section,
Fig. 4
like the view of the pen part. 3 rotated on average by 90 °,
Fig. 5
a view of an assembled connector in section, and
Fig. 6
the view of the connector acc. Fig. 5 rotated on average by 90 °.

Das in den Fig. 1 und 2 dargestellte Buchsenteil 1 für eine Koaxial-Sieckverbindung besteht im wesentlichen aus einer runden Außenhülse 2, in der eine in einem Isolierteil 3 gehaltene Steckbuchse 4 zentrisch angeordnet ist. Die Steckbuchse ist mit einem Anschlußende 5 versehen, das hier beispielsweise als Anschluß an eine gedruckte Schaltung einer Leiterplatte ausgebildet ist. Ferner ist die Außenhülse 2 hier in einen Befestigungsflansch 6 eingedrückt. Es kann jedoch auch vorgesehen sein, daß das Buchsenteil zum Anschluß eines Koaxialkabels ausgebildet ist.
Innerhalb der Außenhülse ist eine Schraubendruckfeder 7 angeordnet, die auf einem inneren Absatz 8 der Außenhülse aufliegt. In die Außenhülse ist weiterhin eine Druckhülse 9 eingefügt.
Die Druckhülse weist ein vorderes, abgesetztes Ende 10 auf, das in die Schraubendruckfeder eingeschoben ist, bis die Druckfeder an dem dadurch gebildeten Absatz 11 anliegt. Der Innendurchmesser der Druckhülse ist dabei so bemessen, daß diese zentrisch geführt auf dem Isolierteil 3 gleitet, und der Außendurchmesser des nicht abgesetzten Teils ist so bemessen, daß ein leichtgängiges Gleiten in der Außenhülse 2 möglich ist. Dabei ist der Innendurchmesser der Druckhülse im nicht abgesetzten Bereich vergrößert ausgebildet, um ein Eintauchen der weiter unten beschriebenen vorderer Hülse des Gegensteckers (des Stiftteils) zu ermöglichen.
Schließlich weist das Buchsenteil noch eine vordere Abschlußhülse 12 auf, die in die Außenhülse 2 eingedrückt ist. Der vordere Rand 13 dieser Abschlußhülse verhindert sodann ein Herausgleiten der Druckhülse aus dem Buchsenteil.
Der Vollständigkeit halber sei noch erwähnt, daß die Außenhülse 2 und die Abschlußhülse 12 aus metallischem, elektrisch leitendem Werkstoff hergestellt sind.
Das in den Fig. 3 und 4 dargestellte Stiftteil 14 für die Koaxial-Steckverbindung besteht im wesentlichen aus einer runden Außenhülse 15 in der ein in einem Isolierteil 16 gehaltener Kontaktstift 17 zentrisch angeordnet ist. In die Außenhülse ist eine dünnwandige, vordere Hülse 18 eingesetzt, die den Kontaktstift nach vorn hin überragt. Auf gegenüberliegenden Seiten der Hülse sind zwei federelastische Rasthaken 19 aus dem Hülsenmaterial ausgeschnitten und herausgebogen. Dabei weisen die Rasthaken eine Schräge 20 und ein hinteres, rechtwinklig zur Achse des Stiftteils sich erstreckendes Ende 21 auf.
Weiterhin sind auf ebenfalls gegenüberliegenden Seiten der Hülse zwei federelastische Kontaktzungen 22 aus dem Hülsenmaterial ausgeschnitten und herausgebogen. Dabei sind dann die Rasthaken 19 und die Kontaktzungen jeweils um 90° versetzt angeordnet. Die Kontaktzungen sind so geformt, daß sie bei zusammengefügter Steckverbindung (Fig. 5) federnd gegen die Innenfläche der Abschlußhülse drücken und einen einwandfreien elektrischen Kontakt zwischen der Nülse 18 des Stiftteils und der Hülse 12, 2 des Buchsenteils herstellen.
Über der Außenhülse 15 und der vorderen Hülse 18 ist eine axial verschiebbare Entriegelungshülse 23 angeordnet. Diese Entriegelungshülse ist mit schlitzförmigen Öffnungen 24, 25 im Bereich der Rasthaken und der Kontaktzungen versehen, durch die diese hindurchragen. Dabei drückt die Schräge 20 der Rasthaken derart auf den Rand der jeweiligen Durchtrittsöffnung, daß die Hülse 18 nach vorn in die "Verriegelungsstellung" gedrückt wird, während bei Erreichen der vorderen "Endstellung" eine Schulter 26 der Kontaktzungen am Rand der Öffnungen 25, durch die die Kontaktzungen nach außen ragen, zur Anlage gelangt und ein weiteres Verschieben der Entriegelungshülse verhindert.
Der Kontaktstift 17 ist an seinem Anschlußende 27 mit einem Crimpanschluß versehen, an dem der Mittelleiter eines Koaxialkabels 28 angeschlossen ist. Dabei ist das Koaxialkabel in die Außenhülse 15 des Stiftteils eingeschoben, und die Abschirmung 29 des Kabels ist elektrisch leitend mit der Außenhülse verbunden.
In den Fig. 5 und 6 ist eine zusammengesteckte Steckverbindung dargestellt. Beim Einstecken des Stiftteils 14 in das Buchsenteil 1 wird die vordere, dünnwandige Hülse 18 in das Buchsenteil eingeschoben und drückt dann auf die Druckhülse 9, wobei die Druckfeder zusammengedrückt wird.
Gleichzeitig gelangt der Kontaktstift 17 in die Steckbuchse 4 und in elektrischen Kontakt mit dieser.
Beim Einschieben gelangen die Schrägen 20 der Rasthaken 19 zunächst an den äußeren Rand der Abschlußhülse 12 und werden dann zunächst einwärts gebogen. Sobald das Stiftteil weit genug in das Buchsenteil eingeschoben ist, d. h. wenn die Rasthaken durch die Abschlußhülse geschoben sind, federn die Rasthaken 19 nach außen, und deren Enden 21 gelangen hinter den vorderen (inneren) Rand 13 der Abschlußhülse. Dadurch sind dann das Stiftteil und das Buchsenteil miteinander verriegelt. Bei zusammengefügter Steckverbindung drücken die Kontaktzungen 22 gegen die Innenseiten der Abschlußhülse 12 und verbessern die elektrische Kontaktierung der Außenhülsen 2, 15 der Steckverbindung.
Durch die Druckfeder ist sichergestellt, daß die beiden Steckverbindungsteile stets wieder auseinandergedrückt werden, solange die Verrastung nicht einwandfrei eingerastet ist.
Zum Trennen der Steckverbindung ist die Entriegelungshülse 23, die vorzugsweise aus Kunststoffmaterial hergestellt ist, vorgesehen. Diese Entriegelungshülse ist auf dem Stiftteil 14 angeordnet und wird zur Aufhebung der Verriegelung entgegengesetzt zur Steckrichtung auf dem Stiftteil verschoben. Dabei drücken dann die Ränder der Öffnungen 24 gegen die Schräge 20 der Rasthaken 19, und die Rasthaken werden derart einwärts gebogen, daß deren Enden 21 außer Eingriff mit dem Rand der Abschlußhülse gelangen und die Druckfeder das Stiftteil aus dem Buchsenteil drückt.The socket part 1 shown in FIGS. 1 and 2 for a coaxial sealed connection essentially consists of a round outer sleeve 2, in which a socket 4 held in an insulating part 3 is arranged centrally. The socket is provided with a connection end 5, which is formed here, for example, as a connection to a printed circuit board. Furthermore, the outer sleeve 2 is pressed into a mounting flange 6 here. However, it can also be provided that the socket part is designed to connect a coaxial cable.
A helical compression spring 7 is arranged within the outer sleeve and rests on an inner shoulder 8 of the outer sleeve. A pressure sleeve 9 is also inserted into the outer sleeve.
The pressure sleeve has a front, stepped end 10 which is pushed into the helical compression spring until the compression spring rests on the shoulder 11 formed thereby. The inside diameter of the pressure sleeve is dimensioned such that it slides centrally on the insulating part 3, and the outer diameter of the non-offset part is dimensioned so that smooth sliding in the outer sleeve 2 is possible. In this case, the inside diameter of the pressure sleeve is enlarged in the non-offset area in order to allow the front sleeve of the mating connector (the pin part) described below to be immersed.
Finally, the socket part also has a front end sleeve 12, which is pressed into the outer sleeve 2. The front edge 13 of this end sleeve then prevents the pressure sleeve from sliding out of the socket part.
For the sake of completeness, it should also be mentioned that the outer sleeve 2 and the end sleeve 12 are made of metallic, electrically conductive material.
The pin part 14 for the coaxial plug connection shown in FIGS. 3 and 4 essentially consists of a round outer sleeve 15 in which a contact pin 17 held in an insulating part 16 is arranged centrally. A thin-walled, front sleeve 18 is inserted into the outer sleeve, which projects beyond the contact pin to the front. On opposite sides of the sleeve, two resilient locking hooks 19 are cut out of the sleeve material and bent out. The latching hooks have a slope 20 and a rear end 21, which extends at right angles to the axis of the pin part.
Furthermore, two spring-elastic contact tongues 22 are cut out of the sleeve material and bent out on likewise opposite sides of the sleeve. The latching hooks 19 and the contact tongues are then each offset by 90 °. The contact tongues are shaped in such a way that, when the plug connection (FIG. 5) is assembled, they press resiliently against the inner surface of the end sleeve and establish a perfect electrical contact between the sleeve 18 of the pin part and the sleeve 12, 2 of the socket part.
An axially displaceable unlocking sleeve 23 is arranged above the outer sleeve 15 and the front sleeve 18. This unlocking sleeve is provided with slot-shaped openings 24, 25 in the region of the latching hooks and the contact tongues through which they protrude. The presses Slant 20 of the locking hooks on the edge of the respective passage opening in such a way that the sleeve 18 is pressed forward into the "locking position", while when the front "end position" is reached a shoulder 26 of the contact tongues at the edge of the openings 25, through which the contact tongues follow protrude from the outside, comes to rest and prevents further movement of the unlocking sleeve.
The contact pin 17 is provided at its connection end 27 with a crimp connection to which the center conductor of a coaxial cable 28 is connected. The coaxial cable is pushed into the outer sleeve 15 of the pin part, and the shield 29 of the cable is electrically conductively connected to the outer sleeve.
5 and 6, an assembled connector is shown. When the pin part 14 is inserted into the socket part 1, the front, thin-walled sleeve 18 is pushed into the socket part and then presses on the pressure sleeve 9, the compression spring being compressed.
At the same time, the contact pin 17 enters the socket 4 and makes electrical contact with it.
When inserted, the bevels 20 of the locking hooks 19 first reach the outer edge of the end sleeve 12 and are then first bent inwards. As soon as the pin part is pushed far enough into the socket part, ie when the locking hooks are pushed through the end sleeve, the locking hooks 19 spring outwards and their ends 21 come behind the front (inner) edge 13 of the end sleeve. As a result, the pin part and the socket part are then locked together. When the plug connection is joined, the contact tongues 22 press against the inside of the end sleeve 12 and improve the electrical contacting of the outer sleeves 2, 15 of the plug connection.
The compression spring ensures that the two connector parts are always pushed apart again as long as the latching is not properly engaged.
To release the plug connection, the unlocking sleeve 23, which is preferably made of plastic material, is provided. This unlocking sleeve is arranged on the pin part 14 and is used to cancel the Lock moved opposite to the direction of insertion on the pin part. The edges of the openings 24 then press against the bevel 20 of the locking hooks 19, and the locking hooks are bent inwards such that their ends 21 disengage from the edge of the end sleeve and the compression spring pushes the pin part out of the socket part.

Claims (4)

Koaxial-Steckverbindung bestehend aus einem Buchsenteil und einem Stiftteil mit lösbarer Verriegelung unter Verwendung von federnden bzw. federnd gehaltenen Rastelementen an dem einen Verbindungsteil und dazu komplementären Arretierungsmitteln an dem anderen Verbindungsteil, wobei die Rastelemente aus oder von den Arretierungsmitten durch eine vorzugsweise orthogonal zur Achse der Steckverbindung gerichtete Kraft gelöst werden können, die nicht durch Zug an den beiden Leitungen erzeugt werden kann und wobei ein vom Verriegelungselement unabhängiges Federelement an einem der beiden Verbindungsteile beim Steckvorgang einen axialen Widerstand ausübt und das andere Verbindungsteil abstößt, solange die Verriegelung nicht wirksam eingerastet ist, dadurch gekennzeichnet, daß die Außenhülse (15) des Stiftteiles (14) eine vordere, dünnwandige Hülse (18) aufweist, die in das Buchsenteil (1) einsteckbar ist, daß eine auf den Hülsen (15, 18) längsverschiebbare Entriegelungshülse (23) vorgesehen ist, daß aus der dünnwandigen Hülse (18) herausgebogene, federnde Rasthaken (19) durch Öffnungen (24) der Entriegelungshülse (23) nach außen weisen, wobei die Rasthaken eine vordere Schräge (20) und ein hinteres Verriegelungsende (21) aufweisen und die Verriegelungshülse durch die Schräge nach vorn gedrückt wird, daß das Buchsenteil (1) eine Außenhülse (2) aufweist, in die eine Schraubendruckfeder (7) eingeschoben ist, daß in die Außenhülse (2) eine mit Absätzen versehene Druckhülse (9) eingeschoben ist, deren vorderes Ende (10) in die Druckfeder eintaucht und deren hinteres Ende in der Außenhülse (2) gleitbeweglich gehalten ist, und daß eine Abschlußhülse (12) in die Außenhülse (2) eingeschoben ist, wobei der innere Rand (13) der Abschlußhülse einerseits einen Anschlag für die Druckhülse (9) und andererseits eine Rastschulter für die Rasthaken (19) bildet. Coaxial plug-in connection consisting of a socket part and a pin part with releasable locking using resilient or resiliently held latching elements on the one connecting part and complementary locking means on the other connecting part, the latching elements coming from or from the locking centers by a preferably orthogonal to the axis of the Plug connection directed force can be released, which can not be generated by pulling the two lines and wherein a spring element independent of the locking element on one of the two connecting parts exerts an axial resistance during the plugging process and repels the other connecting part as long as the locking is not effectively engaged, characterized, that the outer sleeve (15) of the pin part (14) has a front, thin-walled sleeve (18) which can be inserted into the socket part (1), that an unlocking sleeve (23) which is longitudinally displaceable on the sleeves (15, 18) is provided, that from the thin-walled sleeve (18) bent out, resilient locking hooks (19) through openings (24) of the unlocking sleeve (23) to the outside, the locking hooks having a front slope (20) and a rear locking end (21) and the locking sleeve the slope is pushed forward that the socket part (1) has an outer sleeve (2) into which a helical compression spring (7) is inserted, that in the outer sleeve (2) a shouldered pressure sleeve (9) is inserted, the front end (10) dips into the compression spring and the rear end is slidably held in the outer sleeve (2), and that an end sleeve (12) is inserted into the outer sleeve (2), the inner edge (13) of the end sleeve on the one hand forming a stop for the pressure sleeve (9) and on the other hand a locking shoulder for the locking hooks (19). Koaxial-Steckverbindung nach Anspruch 1, dadurch gekennzeichnet, daß aus der dünnwandigen Hülse (18) herausgebogene, federeleastische Kontaktzungen (22) durch zugeordnete Öffnungen (25) der Entriegelungshülse (23) nach außen ragen, die bei zusammengefügter Steckverbindung gegen die Innenseite (12) der Abschlußhülse bzw. der Außenhülse des Buchsenteils drücken. Coaxial connector according to claim 1, characterized in that bent out of the thin-walled sleeve (18), resilient contact tongues (22) through assigned openings (25) of the unlocking sleeve (23) protrude, which press against the inside (12) of the end sleeve or the outer sleeve of the socket part when the plug connection is assembled. Koaxial-Steckverbindung nach Anspruch 2, dadurch gekennzeichnet, daß die Kontaktzungen (22) jeweils hintere Anschlagschultern (26) aufweisen, die im Zusammenwirken mit den Rändern der Öffnungen (25) die durch die Schrägen (20) der Rasthaken (19) hervorgerufene Vorwärtsbewegung der Entriegelungshülse (23) begrenzen. Coaxial connector according to claim 2, characterized in that the contact tongues (22) each have rear stop shoulders (26) which, in cooperation with the edges of the openings (25), limit the forward movement of the unlocking sleeve (23) caused by the bevels (20) of the latching hooks (19). Koaxial-Steckverbindung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet daß die dünnwandige Hülse (18) aus zwei Halbschalen besteht. Coaxial connector according to one of the preceding claims, characterized that the thin-walled sleeve (18) consists of two half-shells.
EP96115922A 1995-11-02 1996-10-04 Coaxial connector Expired - Lifetime EP0772261B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29517358U 1995-11-02
DE29517358U DE29517358U1 (en) 1995-11-02 1995-11-02 Coaxial connector

Publications (3)

Publication Number Publication Date
EP0772261A2 true EP0772261A2 (en) 1997-05-07
EP0772261A3 EP0772261A3 (en) 1998-05-06
EP0772261B1 EP0772261B1 (en) 2000-08-16

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ID=8014912

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96115922A Expired - Lifetime EP0772261B1 (en) 1995-11-02 1996-10-04 Coaxial connector

Country Status (4)

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US (1) US5746619A (en)
EP (1) EP0772261B1 (en)
JP (1) JP2888334B2 (en)
DE (2) DE29517358U1 (en)

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Also Published As

Publication number Publication date
EP0772261B1 (en) 2000-08-16
US5746619A (en) 1998-05-05
DE29517358U1 (en) 1996-01-11
JP2888334B2 (en) 1999-05-10
DE59605755D1 (en) 2000-09-21
JPH09167656A (en) 1997-06-24
EP0772261A3 (en) 1998-05-06

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