EP1028498B1 - Connector for a coaxial cable with a smooth outer conductor - Google Patents
Connector for a coaxial cable with a smooth outer conductor Download PDFInfo
- Publication number
- EP1028498B1 EP1028498B1 EP00101073A EP00101073A EP1028498B1 EP 1028498 B1 EP1028498 B1 EP 1028498B1 EP 00101073 A EP00101073 A EP 00101073A EP 00101073 A EP00101073 A EP 00101073A EP 1028498 B1 EP1028498 B1 EP 1028498B1
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- EP
- European Patent Office
- Prior art keywords
- connector
- clamping
- segments
- cable
- cable conductor
- 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.)
- Expired - Lifetime
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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
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
- H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
- H01R9/0527—Connection to outer conductor by action of a resilient member, e.g. spring
Definitions
- the invention relates to a connector in the preamble of claim 1.
- a connector is known from DE-A-35 22 736. It includes one Plug head on the cable end of a Plug sleeve is turned on and thereby a pressure ring or a clamping cone against the annular surface in the recess of the Pushes sleeve between this ring surface and the corresponding surface of the pressure ring or the clamping cone the crimped end of the outer cable clamp.
- This connector is for field mounting only conditionally suitable because it consists of several, individually to be assembled one after the other and in the correct order Sharing exists.
- Coaxial cable for commercial applications especially for Transfer of larger services, on the other hand, have one massive, screw or ring-corrugated outer conductor, which without Deterioration of the electrical properties of the cable gives a certain flexibility.
- Connector developed in the pre-assembled state without previous disassembly mounted on the end of the coaxial cable can be what, especially at exposed assembly sites such as Antenna masts and the like a considerable time and Safety gain during assembly (see DE 43 43 229 C2).
- the invention has for its object a connector of the genre specified in the introduction, that it is on a coaxial cable with a smooth cable outer conductor can be dismantled without disassembly.
- This task is the introductory step for a connector mentioned type according to the invention solved by a for enclosing of the outer cable certain contact sleeve, the radially resilient segments with thickened ends and in the unloaded Condition has an inside diameter that is in the range the thickened ends of the segments smaller than the diameter of the flared end area of the outer cable and is larger than this diameter in the remaining area, and by a banjo bolt that surrounds the contact sleeve and after covering a span by turning in an internal thread of the recess of the plug head the segments the contact sleeve loaded in the clamping direction, so that this the flared end area of the outer cable against the ring surface in the recess of the plug head can jam.
- This connector can be delivered pre-assembled be that he only up to the prepared cable end must be pushed to the stop. Then he needs Installer only screw the banjo bolt into the plug head, until a prescribed tightening torque is reached is, which indicates that a sufficiently firm clamping of the Cable outer conductor has occurred. Nevertheless, the fitter can the connector, if necessary, also by complete Disassemble the banjo bolt from the plug head.
- the connector according to the invention in the Installation on a coaxial cable with a smooth outer conductor same advantages as a connector that can be assembled without disassembly for coaxial cables with corrugated outer conductor.
- the connector has a device that Clamping path of the banjo bolt is divided into two sections, by which the first a pre-assembled state of the connector and the second, its final assembly on the cable correspond (claim 2). If the installer detects the connector completely disassembled, or completely disassemble this facility enables him to Plug connectors back in the correct, factory-set Bring pre-assembly condition, the prerequisite for correct installation on the cable.
- the device for structuring the clamping path of the banjo bolt can consist of an O-ring in an annular groove lies, which is arranged so that the O-ring at the end of first span section on the cable end edge of the plug head and over the second span section is taken into the plug head (claim 3).
- This execution of the facility for structuring the The tensioning path is structurally particularly simple.
- the o-ring can simultaneously seal between the plug head and form the banjo bolt.
- the banjo bolt has a cable side following the annular groove over an axial length that at least equal to the length of the second span section is an outer diameter that is smaller than the inner diameter the recess of the plug head on its cable side End is (claim 4).
- the inner wall can be used to facilitate the assembly process the inside of the banjo bolt is a radially protruding one Shoulder that has a stop for a collar of the ring Contact sleeve forms and in the pre-assembled state of the connector limits the displacement of the contact sleeve that between the annular surface and the segments of the contact sleeve an insertion gap for the end area of the cable outer conductor remains (claim 5).
- projecting shoulder of the banjo bolt can be another take on another function, namely that of transmission of the thrust of the banjo bolt on the contact sleeve.
- the shoulder of the hollow screw is on best as a continuous or interrupted ring shoulder trained, the plug-side end face at the end of second clamping path section the clamping force on the thickened Formed ends of the segments of the contact sleeve Transmits counter surfaces (claim 6).
- the cable 1 shows a coaxial cable of a newer type. It comprises a tubular inner conductor 1, a cable dielectric 2, usually a foam dielectric, a smooth outer cable 3 made of a copper or aluminum alloy and a cable sheath 4 made of plastic.
- the cable outer conductor 3 has a crimped end region 32, here in a conical shape, with the largest diameter D 1 .
- the flaring can also be flange-shaped at right angles.
- the cable including the cable jacket 4 has an outer diameter D 2 .
- the diameter D 1 must be less than or at most equal to the diameter D 2 because, as will be explained, the cable sheath extends into the connector, the latter at least at its cable end Must have inner diameter D 2 .
- the connector shown in Fig. 2 in longitudinal section comprises a plug head 5, a contact sleeve 6, one of these enclosing hollow screw 7 and one in an annular groove 73 the hollow screw 7 lying O-ring 8. From the plug head 5 is only this in this figure and in the other figures for electrical contacting and mechanical clamping of the Cable outer conductor 3 formed part shown. To the left of the dashed line A-A, the plug head 5 one of the have usual, known constructions, which after the direct the respective application. Nor can he shown connector inner conductor after any, Principle known in the prior art with the inner cable 1 mechanically and electrically connected and in particular be contacted according to the plug / socket principle. This is not the subject of the invention.
- Fig. 2 shows the connector in the pre-assembled state.
- the O-ring 8 is just on the cable side Front edge 5a of the plug head 5, while the external thread 72 of the hollow screw 7 in the first threads of Internal thread 53 in the recess 51 of the plug head 5 intervenes.
- the connector is already on the coaxial cable postponed, etc. until the first palpable Resistance occurs. This is caused by the fact that the Front edge of the crimped end portion 32 of the cable outer conductor 3 against a run-up surface 63b (see FIG.
- the conical ring surface 63a has a few more tenth of a millimeter high, circumferential bead 66 on the after mounting on the outside of the flared end area 32 of the cable outer conductor 3 comes to rest there digs in a bit and thereby the mechanical clamping and electrical contacting improved and over the scope uniform. The latter is achieving a big one Intermodulation distance useful.
- the banjo bolt 7 is inserted into the plug head 5 turned, etc. against the resistance of yourself deforming O-rings 8.
- the contact sleeve 6 is initially still displaceable in the axial direction around the second clamping path section b, which is equal to the distance between the mating end face 71a of the ring shoulder 71 of the banjo bolt 7 to the thickened ends 63 of the segments 62 of the contact sleeve 6 trained counter surfaces 63c.
- This Metal ring 9 primarily acts on the cable Bending forces, so that this at least largely from the Contacting point, that is between the surfaces 52 and 63 a (see FIG. 2) clamped, crimped end region 32 of the outer cable can be kept away.
- a tight connection between the cable and the connector can e.g. with a shrink tube. This is known and therefore not shown.
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- Coupling Device And Connection With Printed Circuit (AREA)
Description
Die Erfindung betrifft einen Steckverbinder der im Oberbegriff des Anspruches 1 genannten Art. Ein derartiger Steckverbinder ist aus der DE-A-35 22 736 bekannt. Er umfaßt eine Steckerkopf, die auf das kabelseitige Ende einer Steckerhülse aufgedreht wird und dabei einen Druckring oder einen Klemmkonus gegen die Ringfläche in der Ausnehmung des Steckerhülses schiebt, um zwischen dieser Ringfläche und der korrespondierenden Fläche des Druckringes oder des Klemmkonus den aufgebördelten Endbereich des Kabelaußenleiters festzuklemmen. Für eine Feldmontage ist'dieser Steckverbinder nur bedingt geeignet, weil er aus mehreren, einzeln nacheinander und in der richtigen Reihenfolge zu montierenden Teilen besteht.The invention relates to a connector in the preamble of claim 1. Such a connector is known from DE-A-35 22 736. It includes one Plug head on the cable end of a Plug sleeve is turned on and thereby a pressure ring or a clamping cone against the annular surface in the recess of the Pushes sleeve between this ring surface and the corresponding surface of the pressure ring or the clamping cone the crimped end of the outer cable clamp. This connector is for field mounting only conditionally suitable because it consists of several, individually to be assembled one after the other and in the correct order Sharing exists.
Für die seit Jahrzehnten bekannten Koaxialkabel mit einem Durchmesser von gewöhnlich weniger als 10 mm und einem glatten Außenleiter, der entweder aus einer gewickelten Metallfolie oder aus einem Geflecht aus zahlreichen dünnen Einzeldrähten besteht, sind andere Steckverbinder allgemeiner Stand der Technik, bei denen der Kabelinnenleiter mit dem im Steckerkopf gehaltenen Steckerinnenleiter gewöhnlich verlötet und der Kabelaußenleiter am Ende ein kurzes Stück umgeschlagen und mittels der Hohlschraube im Inneren der Ausnehmung des Steckerkopfes festgeklemmt wird.For the coaxial cables with one that have been known for decades Diameter usually less than 10 mm and a smooth one Outer conductor, either from a wrapped metal foil or from a network of numerous thin individual wires other connectors are more general State of the art, in which the inner cable with the Connector head held connector inner conductor usually soldered and the outer cable conductor turned a short distance at the end and by means of the hollow screw inside the recess the plug head is clamped.
Koaxialkabel für kommerzielle Anwendungen, insbesondere zur Übertragung größerer Leistungen, haben demgegenüber einen massiven, schraub- oder ringgewellten Außenleiter, der ohne Verschlechterung der elektrischen Eigenschaften dem Kabel eine gewisse Biegsamkeit verleiht. Für solche Kabel wurden Steckverbinder entwickelt, die im vormontierten Zustand ohne vorherige Zerlegung auf dem Ende des Koaxialkabels montiert werden können, was vor allem an exponierten Montageorten wie Antennenmasten und dergleichen einen erheblichen Zeit- und Sicherheitsgewinn bei der Montage mit sich bringt (vgl. DE 43 43 229 C2).Coaxial cable for commercial applications, especially for Transfer of larger services, on the other hand, have one massive, screw or ring-corrugated outer conductor, which without Deterioration of the electrical properties of the cable gives a certain flexibility. For such cables Connector developed in the pre-assembled state without previous disassembly mounted on the end of the coaxial cable can be what, especially at exposed assembly sites such as Antenna masts and the like a considerable time and Safety gain during assembly (see DE 43 43 229 C2).
Seit kurzem gibt es auch Koaxialkabel für kommerzielle Anwendungen, die einen massiven, glatten Außenleiter haben und dennoch ausreichend biegsam sind. Für solche Kabel sind die für Kabel mit gewelltem Außenleiter bekannten, zerlegungsfrei montierbaren Steckverbinder nicht geeignet, weil ihr Konstruktionsprinzip u.a. auf einem Formschluß zwischen Teilen des Steckverbinders und dem gewellten Kabelaußenleiter beruht.Recently there have also been coaxial cables for commercial applications, which have a solid, smooth outer conductor and are still sufficiently flexible. For such cables are the known for cables with corrugated outer conductor, disassembly-free mountable connectors not suitable because of their Construction principle i.a. on a positive fit between Parts of the connector and the corrugated outer cable based.
Der Erfindung liegt die Aufgabe zugrunde, einen Steckverbinder der einleitend angegebenen Gattung so auszubilden, daß er sich auf einem Koaxialkabel mit glattem Kabelaußenleiter zerlegungsfrei montieren läßt.The invention has for its object a connector of the genre specified in the introduction, that it is on a coaxial cable with a smooth cable outer conductor can be dismantled without disassembly.
Diese Aufgabe ist bei einem Steckverbinder der einleitend genannten Art erfindungsgemäß gelöst durch eine zum Umschließen des Kabelaußenleites bestimmte Kontakthülse, die radial federnde Segmente mit verdickten Enden und im unbelasteten Zustand einen Innendurchmesser hat, der im Bereich der verdickten Enden der Segmente kleiner als der Durchmesser des aufgebördelten Endbereiches des Kabelaußenleiters und im übrigen Bereich größer als dieser Durchmesser ist, und durch eine Hohlschraube, welche die Kontakthülse umgibt und nach dem Zurücklegen eines Spannweges durch Eindrehen in ein Innengewinde der Ausnehmung des Steckerkopfes die Segmente der Kontakthülse in Spannrichtung belastet, so daß diese den aufgebördelten Endbereich des Kabelaußenleiters gegen die Ringfläche in der Ausnehmung des Stekkerkopfes klemmen kann.This task is the introductory step for a connector mentioned type according to the invention solved by a for enclosing of the outer cable certain contact sleeve, the radially resilient segments with thickened ends and in the unloaded Condition has an inside diameter that is in the range the thickened ends of the segments smaller than the diameter of the flared end area of the outer cable and is larger than this diameter in the remaining area, and by a banjo bolt that surrounds the contact sleeve and after covering a span by turning in an internal thread of the recess of the plug head the segments the contact sleeve loaded in the clamping direction, so that this the flared end area of the outer cable against the ring surface in the recess of the plug head can jam.
Dieser Steckverbinder kann so vormontiert ausgeliefert werden, daß er lediglich auf das vorbereitete Kabelende bis zum Anschlag aufgeschoben werden muß. Sodann braucht der Monteur nur noch die Hohlschraube in den Steckerkopf einzudrehen, bis ein vorgeschriebenes Anzugsdrehmoment erreicht ist, das anzeigt, daß eine hinreichend feste Klemmung des Kabelaußenleiters eingetreten ist. Dennoch kann der Monteur den Steckverbinder nötigenfalls auch durch vollständiges Herausdrehen der Hohlschraube aus dem Steckerkopf zerlegen.This connector can be delivered pre-assembled be that he only up to the prepared cable end must be pushed to the stop. Then he needs Installer only screw the banjo bolt into the plug head, until a prescribed tightening torque is reached is, which indicates that a sufficiently firm clamping of the Cable outer conductor has occurred. Nevertheless, the fitter can the connector, if necessary, also by complete Disassemble the banjo bolt from the plug head.
Damit hat der Steckverbinder nach der Erfindung bei der Montage auf einem Koaxialkabel mit glattem Außenleiter die gleichen Vorteile wie ein zerlegungsfrei montierbarer Steckverbinder für Koaxialkabel mit gewelltem Außenleiter.So that the connector according to the invention in the Installation on a coaxial cable with a smooth outer conductor same advantages as a connector that can be assembled without disassembly for coaxial cables with corrugated outer conductor.
Bevorzugt hat der Steckverbinder eine Einrichtung, die den Spannweg der Hohlschraube in zwei Abschnitte gliedert, von denen der erste einem vormontierten Zustand des Steckverbinders und der zweite dessen Endmontage auf dem Kabel entsprechen (Anspruch 2). Falls der Monteur den Steckverbinder vollständig demontiert hat, oder vollständig demontieren mußte, ermöglicht es ihm diese Einrichtung, den Steckverbinder wieder in den korrekten, werkseitig festgelegten Vormontagezustand zu bringen, der Vorausetzung für eine ordnungsgemäße Montage auf dem Kabel ist.Preferably, the connector has a device that Clamping path of the banjo bolt is divided into two sections, by which the first a pre-assembled state of the connector and the second, its final assembly on the cable correspond (claim 2). If the installer detects the connector completely disassembled, or completely disassemble this facility enables him to Plug connectors back in the correct, factory-set Bring pre-assembly condition, the prerequisite for correct installation on the cable.
Die Einrichtung zur Gliederung des Spannweges der Hohlschraube kann aus einem O-Ring bestehen, der in einer Ringnut liegt, die so angeordnet ist, daß der O-Ring am Ende des ersten Spannwegabschnittes auf den kabelseitigen Stirnrand des Steckerkopfes aufläuft und über den zweiten Spannwegabschnitt in den Steckerkopf hinein mitgenommen wird (Anspruch 3). Diese Ausführung der Einrichtung zur Gliederung des Spannweges ist konstruktiv besonders einfach. Der O-Ring kann gleichzeitig die Abdichtung zwischen dem Steckerkopf und der Hohlschraube bilden.The device for structuring the clamping path of the banjo bolt can consist of an O-ring in an annular groove lies, which is arranged so that the O-ring at the end of first span section on the cable end edge of the plug head and over the second span section is taken into the plug head (claim 3). This execution of the facility for structuring the The tensioning path is structurally particularly simple. The o-ring can simultaneously seal between the plug head and form the banjo bolt.
Nach einer Weiterbildung hat die Hohlschraube kabelseitig anschließend an die Ringnut über eine axiale Länge, die mindestens gleich der Länge des zweiten Spannwegabschnittes ist, einen Außendurchmesser, der kleiner als der Innendurchmesser der Ausnehmung des Steckerkopfes an seinem kabelseitigen Ende ist (Anspruch 4). According to a further development, the banjo bolt has a cable side following the annular groove over an axial length that at least equal to the length of the second span section is an outer diameter that is smaller than the inner diameter the recess of the plug head on its cable side End is (claim 4).
Zur Erleichterung des Montagevorganges kann die Innenwand der Hohlschraube innenseitig eine radial einspringende Schulter haben, die einen Anschlag für einen Ringbund der Kontakthülse bildet und im vormontierten Zustand des Steckverbinders den Verschiebeweg der Kontakthülse so begrenzt, daß zwischen der Ringfläche und den Segmenten der Kontakthülse ein Einführspalt für den Endbereich des Kabelaußenleiters verbleibt (Anspruch 5).The inner wall can be used to facilitate the assembly process the inside of the banjo bolt is a radially protruding one Shoulder that has a stop for a collar of the ring Contact sleeve forms and in the pre-assembled state of the connector limits the displacement of the contact sleeve that between the annular surface and the segments of the contact sleeve an insertion gap for the end area of the cable outer conductor remains (claim 5).
Die bei der zuvor genannten Ausführungsform vorhandene, einspringende Schulter der Hohlschraube kann noch eine weitere Funktion übernehmen, nämlich diejenige der Übertragung des Schubes der Hohlschraube auf die Kontakthülse. Hierzu ist die einspringende Schulter der Hohlschraube am besten als durchgehende oder unterbrochene Ringschulter ausgebildet, deren steckseitige Stirnfläche am Ende des zweiten Spannwegabschnittes die Spannkraft auf an den verdickten Enden der Segmente der Kontakthülse ausgebildete Gegenflächen überträgt (Anspruch 6).The existing in the aforementioned embodiment, projecting shoulder of the banjo bolt can be another take on another function, namely that of transmission of the thrust of the banjo bolt on the contact sleeve. For this purpose, the shoulder of the hollow screw is on best as a continuous or interrupted ring shoulder trained, the plug-side end face at the end of second clamping path section the clamping force on the thickened Formed ends of the segments of the contact sleeve Transmits counter surfaces (claim 6).
Bevorzugt sind an den verdickten Enden der Segmente der Kontakthülse jeweils auf einer Kegelmantelfläche liegende Auflaufflächen für den Stirnrand des Kabelaußenleiters ausgebildet, wobei der Kegelwinkel so gewählt ist, daß die Segmente bei Überschreitung einer gewissen, von dem Stirnrand des Kabelaußenleiters auf die Auflaufflächen ausgeübten Axialkraft radial auffedern (Anspruch 7).Preferred are at the thickened ends of the segments Contact sleeve each lying on a conical surface Run-up surfaces designed for the front edge of the outer cable conductor, the cone angle is chosen so that the Segments when exceeding a certain, from the forehead edge of the cable outer conductor on the run-up surfaces Spring radial force radially (claim 7).
Weil an die Verbindung zwischen dem Kabel und dem Steckverbinder in der Regel sehr hohe mechanische und elektrische Anforderungen gestellt werden, sowohl unter dem Gesichtspunkt der Auszugfestigkeit als auch unter dem Gesichtspunkt der Intermodulationsfreiheit, hat mindestens eine der zur Klemmung des Endbereiches des Kabelaußenleiters bestimmten Flächen mindestens einen Wulst zur Verbesserung der Klemmung und Kontaktierung (Anspruch 8). Because of the connection between the cable and the connector usually very high mechanical and electrical Requirements are made, both from the point of view the pull-out strength as well from the point of view the freedom of intermodulation, has at least one of the Determine the clamping of the end area of the outer cable Surfaces at least one bead to improve clamping and contacting (claim 8).
Die Erfindung wird nachfolgend anhand der Zeichnung erläutert. Es zeigt:
- Fig. 1
- das Ende eines Koaxialkabels im Längsschnitt,
- Fig. 2 bis 5
- den kabelseitigen Teil eines Ausführungsbeispiels eines Steckverbinders nach der Erfindung, in verschiedenen Montagezuständen.
- Fig. 1
- the end of a coaxial cable in longitudinal section,
- 2 to 5
- the cable-side part of an embodiment of a connector according to the invention, in different assembly states.
In Fig. 1 ist ein Koaxialkabel neuerer Bauart dargestellt.
Es umfaßt einen rohrförmigen Innenleiter 1, ein Kabeldielektrikum
2, gewöhnlich ein Schaumstoffdielektrikum, einen
glatten Kabelaußenleiter 3 aus einer Kupfer- oder Aluminiumlegierung
und einen Kabelmantel 4 aus Kunststoff. Der
Kabelaußenleiter 3 hat einen aufgebördelten Endbereich 32,
hier in konischer Form, mit dem größten Durchmesser D1. Die
Bördelung kann auch rechtwinklig flanschartig ausgebildet
sein. Das Kabel einschließlich des Kabelmantels 4 hat einen
Außendurchmesser D2. Für das im folgenden beschriebene Ausführungsbeispiel
eines Steckverbinders nach der Erfindung
muß der Durchmesser D1 kleiner oder höchstens gleich dem
Durchmesser D2 sein, weil, wie noch erläutert werden wird,
der Kabelmantel bis in den Steckverbinder hineinreicht,
letzterer also an seinem kabelseitigen Ende mindestens den
Innendurchmesser D2 haben muß.1 shows a coaxial cable of a newer type. It comprises a tubular inner conductor 1, a cable dielectric 2, usually a foam dielectric, a smooth
Der in Fig. 2 im Längsschnitt dargestellte Steckverbinder
umfaßt einen Steckerkopf 5, eine Kontakthülse 6, eine diese
umschließende Hohlschraube 7 und einen in einer Ringnut 73
der Hohlschraube 7 liegenden O-Ring 8. Von dem Steckerkopf
5 ist in dieser Figur und in den weiteren Figuren nur der
zur elektrischen Kontaktierung und mechanischen Klemmung des
Kabelaußenleiters 3 ausgebildete Teil dargestellt. Links von
der gestrichelten Linie A-A kann der Steckerkopf 5 eine der
üblichen, bekannten Konstruktionen haben, die sich nach dem
jeweiligen Anwendungsfall richten. Ebenso kann der nicht
dargestellte Steckverbinderinnenleiter nach einem beliebigen,
im Stand der Technik bekannten Prinzip mit dem Kabelinnenleiter
1 mechanisch und elektrisch verbunden und insbesondere
nach dem Stecker/ Buchse-Prinzip kontaktiert sein.
Dies ist nicht Gegenstand der Erfindung.The connector shown in Fig. 2 in longitudinal section
comprises a
Fig. 2 zeigt den Steckverbinder im Vormontagezustand. In
diesem Zustand liegt der O-Ring 8 gerade am kabelseitigen
Stirnrand 5a des Steckerkopfes 5 an, während das Außengewinde
72 der Hohlschraube 7 in die ersten Gewindegänge des
Innengewindes 53 in der Ausnehmung 51 des Steckerkopfes 5
eingreift. Der Steckverbinder ist bereits auf das Koaxialkabel
aufgeschoben, uzw. so weit, bis der erste fühlbare
Widerstand auftritt. Dieser ist dadurch verursacht, daß der
Stirnrand des aufgebördelten Endbereiches 32 des Kabelaußenleiters
3 gegen eine Auflauffläche 63b (vgl. Fig. 3) an der
Innenseite verdickter Enden 63 radial federnder Segmente 62
der Kontakthülse 6 aufgelaufen ist und dadurch die Kontakthülse
6 in die gezeichnete Position gebracht hat, in der ein
außenliegender Ringbund 65 der Kontakthülse 6 gegen eine
radial einspringende Ringschulter 71 der Hohlschraube 7
anliegt. In dieser Stellung verbleibt zwischen einer Kegelringfläche
52 am Boden der Ausnehmung 51 des Steckerkopfes
5 und einer gleichlaufenden Kegelringfläche 63a an der
Innenseite der verdickten Enden 63 der Kontakthülse 6 ein
Einführspalt s für den Endbereich 32 des Kabelaußenleiters
3. Die Kegelringfläche 63a weist im übrigen einen wenige
zehntel Millimeter hohen, umlaufenden Wulst 66 auf, der nach
der Montage auf die Außenseite des aufgebördelten Endbereiches
32 des Kabelaußenleiters 3 zu liegen kommt, sich dort
etwas eingräbt und dadurch die mechanische Klemmung und
elektrische Kontaktierung verbessert und über den Umfang
vergleichmäßigt. Letzteres ist der Erzielung eines großen
Intermodulationsabstandes dienlich. Fig. 2 shows the connector in the pre-assembled state. In
In this state, the O-
Bei einem weiteren Aufschieben des Steckverbinders auf das
Koaxialkabel (oder umgekehrt), entsteht der in Fig. 3 dargestellte
Zustand, in welchem die federnden Segmente 62 der
Kontakthülse 6 infolge des passend gewählten Kegelwinkels
der Kegelringfläche 63b durch den darübergleitenden Stirnrand
des aufgebördelten Endbereiches 32 des Kabelaußenleiters
3 auseinandergedrückt werden und damit den Spalt s
weiter öffnen.When the connector is pushed further onto the
Coaxial cable (or vice versa), the one shown in Fig. 3 arises
State in which the
Unmittelbar anschließend ergibt sich der in Fig. 4 dargestellte
Zustand, bei dem der Endbereich 32 des Kabelaußenleiters
3 gegen die Kegelringfläche 52 des Steckerkopfes 5
anliegt.Immediately afterwards there is the one shown in FIG. 4
State in which the
Im nächsten Schritt wird die Hohlschraube 7 in den Steckerkopf
5 eingedreht, uzw. gegen den Widerstand des sich dabei
verformenden O-Rings 8. Die Kontakthülse 6 ist zunächst noch
in axialer Richtung um den zweiten Spannwegabschnitt b verschiebbar,
der gleich dem Abstand der steckseitigen Stirnfläche
71a der Ringschulter 71 der Hohlschraube 7 von an den
verdickten Enden 63 der Segmente 62 der Kontakthülse 6
ausgebildeten Gegenflächen 63c ist.In the next step, the
Während des Eindrehens der Hohlschraube 7 nimmt diese daher
die Kontakthülse 6 erforderlichenfalls mit und überträgt
über die Flächen 71a, 63c die Klemm- und Kontaktkraft auf
die verdickten Enden 63 der Segmente 62 der Kontakthülse 6,
die dadurch nach Art einer Spannzange den aufgebördelten
Endbereich 32 gegen die Kegelringfläche 52 preßt, wie in
Fig. 5 dargestellt.While screwing in the
Wie ebenfalls in Fig. 5 dargestellt, hat die Hohlschraube 7
an ihrem steckseitigen Ende einen z.B. eingepreßten Metallring
9, der den zum Einsetzen der Kontakthülse 6 in die
Hohlschraube 7 erforderlichen, lichten Innendurchmesser
letzterer bis etwa auf den Außendurchmesser des Kabels
einschließlich seines Kabelmantels 4 verkleinert. Dieser
Metallring 9 fängt in erster Linie auf das Kabel wirkende
Biegekräfte auf, so daß diese zumindest weitgehend von der
Kontaktierungsstelle, also dem zwischen den Flächen 52 und
63 a (vergl. Fig. 2) eingespannten, aufgebördelten Endbereich
32 des Kabelaußenleiters ferngehalten werden. Eine
dichte Verbindung zwischen dem Kabel und dem Steckverbinder
läßt sich z.B. durch einen Schrumpfschlauch erzielen. Dies
ist bekannt und daher nicht dargestellt.As also shown in FIG. 5, the
Claims (8)
- Connector for coaxial cables having a smooth outer conductor (3), with a connector head (5) which has a recess (51) with an annular surface (52) for the inside contacting of a beaded-on end area (32) of the outer cable conductor (3), characterised by a contact bush (6) which is intended to surround the outer cable conductor, has radially elastic segments (62) with thickened ends (63), and, in its unloaded state, has an internal diameter which is smaller in the area of the thickened ends (63) of the segments (62) than the diameter (D1) of the beaded-on end area (32) of the outer cable conductor (3) and is greater than this diameter (D1) in the remaining area, and by a female screw (7) which surrounds the contact bush (6) and, after travelling along a clamping path, by screwing into an internal thread of the recess (51) of the connector head (5), loads the segments (62) of the contact bush (6) in the direction of clamping, so that the latter can clamp the beaded-on end area (32) of the outer cable conductor (3) against the annular surface (52) in the recess (51) of the connector head (5).
- Connector according to claim 1, characterized by a device which divides the clamping path of the female screw (7) into two sections, of which the first corresponds to a pre-mounting state of the connector and the second to its final mounting on the cable.
- Connector according to claim 2, characterized in that the device consists of an O ring (8), for dividing the clamping path of the female screw (7), which lies in an annular groove (73) which is arranged such that the O ring (8) runs onto the cable-side front edge of the connector head (5) at the end of the first section of the clamping path and is taken into the connector head via the second section of the clamping path.
- Connector according to claim 3, characterized in that the female screw (7), on the cable side adjoining the annular groove (73) over an axial length which is at least equal to the length of the second section of the clamping path, has an external diameter which is smaller than the internal diameter of the recess (51) of the connector head (5) at its cable-side end.
- Connector according to one of claims 1 to 4, characterized in that the inner wall of the female screw (7) has on the inside a radially inwardly-projecting shoulder (71) which forms a stop for a ring projection (65) of the contact bush (6) and in the pre-mounting state of the connector limits the displacement path of the contact bush (6) such that between the annular surface (52) and the segments (62) of the contact bush (6) a gap (s) for the insertion of the end area (32) of the outer cable conductor (3) remains.
- Connector according to claim 5, characterized in that the inwardly-projecting shoulder of the female screw (7) is an annular shoulder (71), of which the connection-side end-surface (71a), at the end of the second section of the clamping path, transfers the clamping force onto counter-surfaces (63c) developed at the thickened ends (63) of the segments (62) of the contact bush (6).
- Connector according to one of claims 1 to 6, characterized in that a run-on surface (63b) lying on a conical generated surface is formed at each of the thickened ends (63) of the segments (62) of the contact bush (6) for the front edge of the outer cable conductor (3) and the cone angle is selected such that the segments expand radially when a certain axial force exerted by the front edge of the outer cable conductor (3) on the run-on surfaces (63b) is exceeded.
- Connector according to one of claims 1 to 7, characterized in that at least one of the surfaces (52, 63a) intended for clamping the end areas (32) of the outer cable conductor (3) has at least one bead (66) for the improvement of the clamping and establishment of contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK00101073T DK1028498T3 (en) | 1999-02-10 | 2000-01-20 | Connector connector for a coaxial cable with smooth outer conductor |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19906023 | 1999-02-10 | ||
| DE19906023 | 1999-02-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1028498A1 EP1028498A1 (en) | 2000-08-16 |
| EP1028498B1 true EP1028498B1 (en) | 2004-11-24 |
Family
ID=7897390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00101073A Expired - Lifetime EP1028498B1 (en) | 1999-02-10 | 2000-01-20 | Connector for a coaxial cable with a smooth outer conductor |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6383019B1 (en) |
| EP (1) | EP1028498B1 (en) |
| DE (1) | DE50008711D1 (en) |
| DK (1) | DK1028498T3 (en) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001086756A1 (en) | 2000-05-10 | 2001-11-15 | Thomas & Betts International, Inc. | Coaxial connector having detachable locking sleeve |
| EP1303005B1 (en) * | 2001-10-10 | 2005-03-09 | Corning Cabelcon A/S | Inner conductor system |
| DE50304634D1 (en) * | 2002-06-22 | 2006-09-28 | Spinner Gmbh Elektrotech | Coaxial connector |
| US6802739B2 (en) | 2003-01-16 | 2004-10-12 | Corning Gilbert Inc. | Coaxial cable connector |
| US6733336B1 (en) | 2003-04-03 | 2004-05-11 | John Mezzalingua Associates, Inc. | Compression-type hard-line connector |
| US7261581B2 (en) | 2003-12-01 | 2007-08-28 | Corning Gilbert Inc. | Coaxial connector and method |
| US7044785B2 (en) * | 2004-01-16 | 2006-05-16 | Andrew Corporation | Connector and coaxial cable with outer conductor cylindrical section axial compression connection |
| US6955562B1 (en) | 2004-06-15 | 2005-10-18 | Corning Gilbert Inc. | Coaxial connector with center conductor seizure |
| DE202004014843U1 (en) * | 2004-09-23 | 2004-11-18 | Rosenberger Hochfrequenztechnik Gmbh & Co. Kg | Coaxial connector and outer conductor contact sleeve for this |
| US8157589B2 (en) | 2004-11-24 | 2012-04-17 | John Mezzalingua Associates, Inc. | Connector having a conductively coated member and method of use thereof |
| US7077700B2 (en) | 2004-12-20 | 2006-07-18 | Corning Gilbert Inc. | Coaxial connector with back nut clamping ring |
| US7275957B1 (en) * | 2006-03-22 | 2007-10-02 | Andrew Corporation | Axial compression electrical connector for annular corrugated coaxial cable |
| US7435135B2 (en) * | 2007-02-08 | 2008-10-14 | Andrew Corporation | Annular corrugated coaxial cable connector with polymeric spring finger nut |
| US7740502B2 (en) * | 2007-12-21 | 2010-06-22 | Commscope, Inc. Of North Carolina | Reuseable coaxial connectors and related methods |
| US8171629B2 (en) | 2007-12-21 | 2012-05-08 | Commscope Inc. Of North Carolina | Reuseable coaxial connector method |
| US20100064857A1 (en) * | 2008-09-15 | 2010-03-18 | Commscope, Inc. Of North Carolina | Coaxial cable end preparation tool and related methods |
| US20100064522A1 (en) * | 2008-09-15 | 2010-03-18 | Commscope, Inc. Of North Carolina | Coaxial cable end preparation tool with drive shaft and related methods |
| US20100275341A1 (en) * | 2009-04-29 | 2010-11-04 | Ansell Healthcare Products Llc | Knitted Glove Having A Single Layer With A Plurality Of Yarns |
| US9017101B2 (en) | 2011-03-30 | 2015-04-28 | Ppc Broadband, Inc. | Continuity maintaining biasing member |
| US8172608B2 (en) | 2010-04-29 | 2012-05-08 | Commscope Inc. Of North Carolina | Reuseable coaxial connectors and related extraction tools and methods |
| US8337229B2 (en) | 2010-11-11 | 2012-12-25 | John Mezzalingua Associates, Inc. | Connector having a nut-body continuity element and method of use thereof |
| US8366481B2 (en) | 2011-03-30 | 2013-02-05 | John Mezzalingua Associates, Inc. | Continuity maintaining biasing member |
| US9017102B2 (en) * | 2012-02-06 | 2015-04-28 | John Mezzalingua Associates, LLC | Port assembly connector for engaging a coaxial cable and an outer conductor |
| US10404048B2 (en) * | 2013-11-26 | 2019-09-03 | Commscope Technologies Llc | Adapter for sealing cover for electrical interconnections |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1402025A (en) * | 1964-04-27 | 1965-06-11 | Superflexit | Improvements to fittings for flexible conduits and similar devices |
| DE3522736C1 (en) * | 1985-06-25 | 1987-02-19 | Spinner Gmbh Elektrotech | Device for the pressure-tight connection of the outer conductor of a coaxial line |
| US5137470A (en) * | 1991-06-04 | 1992-08-11 | Andrew Corporation | Connector for coaxial cable having a helically corrugated inner conductor |
| DE4343229C2 (en) * | 1993-06-01 | 1995-04-13 | Spinner Gmbh Elektrotech | Connector for corrugated pipe coaxial cable |
| US5595502A (en) * | 1995-08-04 | 1997-01-21 | Andrew Corporation | Connector for coaxial cable having hollow inner conductor and method of attachment |
| DE19734236C2 (en) * | 1996-09-14 | 2000-03-23 | Spinner Gmbh Elektrotech | Coaxial cable connector |
| US5766037A (en) * | 1996-10-11 | 1998-06-16 | Radio Frequency Systems, Inc. | Connector for a radio frequency cable |
| DE19729876C2 (en) * | 1997-07-11 | 1999-11-11 | Spinner Gmbh Elektrotech | Connectors for coaxial cables |
-
2000
- 2000-01-20 EP EP00101073A patent/EP1028498B1/en not_active Expired - Lifetime
- 2000-01-20 DE DE50008711T patent/DE50008711D1/en not_active Expired - Fee Related
- 2000-01-20 DK DK00101073T patent/DK1028498T3/en active
- 2000-02-10 US US09/501,252 patent/US6383019B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE50008711D1 (en) | 2004-12-30 |
| US6383019B1 (en) | 2002-05-07 |
| DK1028498T3 (en) | 2005-01-03 |
| EP1028498A1 (en) | 2000-08-16 |
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