EP0058249B1 - Connection device for a shielded cable - Google Patents
Connection device for a shielded cable Download PDFInfo
- Publication number
- EP0058249B1 EP0058249B1 EP19810110023 EP81110023A EP0058249B1 EP 0058249 B1 EP0058249 B1 EP 0058249B1 EP 19810110023 EP19810110023 EP 19810110023 EP 81110023 A EP81110023 A EP 81110023A EP 0058249 B1 EP0058249 B1 EP 0058249B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- clamping
- braid
- connection device
- clamping ring
- end housing
- 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
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- 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
- H01R9/0521—Connection to outer conductor by action of a nut
Definitions
- the invention relates to a releasable rotationally symmetrical connection device for a shielded cable with an outer conductor made of a braid, consisting of a clamping ring with a clamping surface which bears on the outer surface of the braid, a plug end housing with a clamping surface which bears on the inner surface of the braid and a union nut which can be screwed to the connector end housing by axial movement and which fixes the braid between the two clamping surfaces by means of axial pressure.
- connection device is e.g. known from DE-A No. 2260734.
- a connecting device is known from DE-B No. 2343030, which clamps the braid between two conical surfaces. The precisely reproducible production of conically shaped and coordinated surfaces places high demands on processing, which results in high production costs.
- connection device which can be produced inexpensively and reproducibly and is easy to assemble and repair, and which also ensures that the braid is securely fixed in the event of strong mechanical loads.
- the clamping ring is largely U-shaped in profile, the inner leg running essentially parallel to the axis of the connecting device and the outer leg being angled outwards so that the clamping surface of the clamping ring delimited by the two legs is essentially is arranged perpendicular to the axis of the connecting device, and that a clamping element is formed on the plug end housing, which is located between the legs of the clamping ring when the connecting device is assembled.
- connection device has the advantage that a shielded cable can be connected without special tools and without a soldering process.
- the coaxial cable 2 has an electrically conductive, tubular shield, which is designed as an expandable braid 3 with the outer surface 18 and the inner surface 19, one or more inner conductors 4, an insulating part 6 located within the braid 3 and an outer insulating jacket 14.
- the plug end housing 30, the clamping ring 10 and the union nut 20 are made of an electrically conductive material, for example aluminum, and are provided at least on the outer sides with a protective covering, not shown in the figures.
- the clamping ring 10 is essentially cylindrical in shape and has an opening 15 through which the cable 2 partially freed from the outer insulating jacket 14 can be pulled.
- the largely U-shaped clamping ring 10 has a clamping surface 7 arranged essentially perpendicular to the axis I of the connection device 1, an inner leg 12 arranged perpendicular to it and an outer leg 13 angled outwards.
- the clamping surface 7 is preferably flat, but can also be indented, corrugated or provided on the surface with a slip-inhibiting structure.
- the outer leg 13 is angled so far outwards that its outer surface 23 rests on the conical pressure surface 21 of the union nut 20.
- the plug end housing 30 is essentially cylindrical in shape and consists of the annular clamping element 31 with the clamping surface 32, the external thread 34 offset therefrom by a round groove 33 and the two molded rings 35 and 36 which are separated from one another by a groove 37.
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Multi-Conductor Connections (AREA)
Description
Die Erfindung bezieht sich auf eine lösbare rotationssymmetrische Anschlussvorrichtung für ein abgeschirmtes Kabel mit einem Aussenleiter aus einem Geflecht, bestehend aus einem Klemmring mit einer Klemmfläche, die an der Aussenfläche des Geflechts anliegt, einem Steckerendgehäuse mit einer Klemmfläche, die an der Innenfläche des Geflechts anliegt und einer Überwurfmutter, die mit dem Steckerendgehäuse durch Axialbewegung verschraubbar ist und durch axialen Druck das Geflecht zwischen den beiden Klemmflächen festlegt.The invention relates to a releasable rotationally symmetrical connection device for a shielded cable with an outer conductor made of a braid, consisting of a clamping ring with a clamping surface which bears on the outer surface of the braid, a plug end housing with a clamping surface which bears on the inner surface of the braid and a union nut which can be screwed to the connector end housing by axial movement and which fixes the braid between the two clamping surfaces by means of axial pressure.
Eine derartige Anschlussvorrichtung ist z.B. aus der DE-A Nr. 2260734 bekannt.Such a connection device is e.g. known from DE-A No. 2260734.
Ferner sind zum strahlungsdichten Anschliessen eines durch ein Geflecht gegen äussere elektromagnetische Strahlung abgeschirmten Kabels zahlreiche andere auf dem Prinzip der Klemmung beruhende Vorrichtungen bekannt, die jedoch nur mit hohen Kosten hergestellt werden können. So ist durch die DE-B Nr. 2343030 eine Anschlussvorrichtung bekannt, welche das Geflecht zwischen zwei konischen Flächen festklemmt. Die exakt reproduzierbare Herstellung konisch geformter und aufeinander abgestimmter Flächen stellt hohe Anforderungen an die Verarbeitung, wodurch hohe Herstellungskosten entstehen.Furthermore, numerous other devices based on the principle of clamping are known for the radiation-tight connection of a cable shielded by a braid against external electromagnetic radiation, but these devices can only be produced at high costs. A connecting device is known from DE-B No. 2343030, which clamps the braid between two conical surfaces. The precisely reproducible production of conically shaped and coordinated surfaces places high demands on processing, which results in high production costs.
Es ist deshalb Aufgabe der Erfindung, eine Anschlussvorrichtung zu schaffen, welche kostengünstig und reproduzierbar hergestellt und einfach montiert und repariert werden kann, als auch bei starken mechanischen Beanspruchungen eine sichere Festlegung des Geflechts gewährleistet.It is therefore an object of the invention to provide a connection device which can be produced inexpensively and reproducibly and is easy to assemble and repair, and which also ensures that the braid is securely fixed in the event of strong mechanical loads.
Diese Aufgabe wird dadurch gelöst, dass der Klemmring im Profil weitgehend U-förmig ist, wobei der innere Schenkel im wesentlichen parallel zur Achse der Anschlussvorrichtung verläuft und der äussere Schenkel nach aussen abgewinkelt ist, dass die durch die beiden Schenkel begrenzte Klemmfläche des Klemmrings im wesentlichen senkrecht zur Achse der Anschlussvorrichtung angeordnet ist, und dass am Steckerendgehäuse ein Klemmelement angeformt ist, das bei zusammengefügter Anschlussvorrichtung zwischen den Schenkeln des Klemmringes liegt.This object is achieved in that the clamping ring is largely U-shaped in profile, the inner leg running essentially parallel to the axis of the connecting device and the outer leg being angled outwards so that the clamping surface of the clamping ring delimited by the two legs is essentially is arranged perpendicular to the axis of the connecting device, and that a clamping element is formed on the plug end housing, which is located between the legs of the clamping ring when the connecting device is assembled.
Die erfindungsgemässe Anschlussvorrichtung hat den Vorteil, dass ein abgeschirmtes Kabel ohne besondere Werkzeuge und ohne Lötvorgang angeschlossen werden kann.The connection device according to the invention has the advantage that a shielded cable can be connected without special tools and without a soldering process.
Im weiteren wird ein Ausführungsbeispiel des Erfindungsgegenstandes anhand der Zeichnung näher erläutert.An exemplary embodiment of the subject matter of the invention is explained in more detail with reference to the drawing.
Es zeigen:
- Fig. 1 die in übergrossem Massstab dargestellte Seitenansicht der montierten Anschlussvorrichtung, wobei zur besseren Sichtbarkeit einige Teile im Längsschnitt dargestellt sind, und
- Fig. 2 die Seitenansicht der Anschlussvorrichtung mit distanziert dargestellten Einzelteilen.
- Fig. 1 shows the side view of the assembled connection device, shown on an enlarged scale, some parts being shown in longitudinal section for better visibility, and
- Fig. 2 shows the side view of the connection device with individual parts shown distantly.
Wie Fig. 1 und 2 zeigen, weist das Koaxialkabel 2 eine elektrisch leitende, rohrförmige Abschirmung, die als erweiterbares Geflecht 3 mit der Aussenfläche 18 und der Innenfläche 19 ausgebildet ist, einen oder mehrere Innenleiter 4, einen innerhalb des Geflechts 3 befindlichen Isolierteil 6 sowie einen äusseren Isoliermantel 14 auf. Das Steckerendgehäuse 30, der Klemmring 10 sowie die Überwurfmutter 20 sind aus einem elektrisch leitenden Material, beispielsweise Aluminium, hergestellt, und zumindest an den Aussenseiten mit einem in den Figuren nicht dargestellten Schutzbelag versehen.1 and 2 show, the
Der Klemmring 10 ist im wesentlichen zylindrisch geformt und weist eine Öffnung 15 auf, durch welche das teilweise vom äusseren Isoliermantel 14 befreite Kabel 2 durchgezogen werden kann. Der im Profil weitgehend U-förmige Klemmring 10 besitzt eine im wesentlichen senkrecht zur Achse I der Anschlussvorrichtung 1 angeordnete Klemmfläche 7, einen senkrecht dazu angeordneten inneren Schenkel 12 und einen gegen aussen gewinkelten äusseren Schenkel 13. Die Klemmfläche 7 ist vorzugsweise eben, kann jedoch auch eingebuchtet, gewellt oder an der Oberfläche mit einer gleithemmenden Struktur versehen sein. Der äussere Schenkel 13 ist so weit nach aussen abgewinkelt, dass er mit seiner äusseren Fläche 23 auf der konischen Druckfläche 21 der Überwurfmutter 20 aufliegt.The
Das Steckerendgehäuse 30 ist im wesentlichen zylindrisch geformt und besteht aus dem ringförmigen Klemmelement 31 mit der Klemmfläche 32, dem durch eine Rundnut 33 davon abgesetzten Aussengewinde 34 und den beiden angeformten Ringen 35 und 36, die durch eine Nut 37 voneinander getrennt sind.The
Zum Anschliessen des Koaxialkabels 2 wird ein Abschnitt des Isoliermantels 14 entfernt und damit ein Teil des Geflechts 3 freigelegt. Danach wird das Kabel 2 mit dem Geflecht 3 durch die Öffnung 16 der Überwurfmutter 20 und durch die Öffnung 15 des Klemmrings 10 geschoben. Das Geflecht wird nun nach aussen über den Klemmring 10 gelegt und das Steckerendgehäuse 30 mit seiner Klemmfläche 32 auf das Geflecht 3 gesetzt, mit der Überwurfmutter 20 verschraubt und mit einem definierten Drehmoment festgezogen. Durch den Druck der Überwurfmutter 20 auf den äusseren Schenkel 13 des Klemmrings 10 wird das Geflecht 3 zwischen die Klemmfläche 32 des Steckerendgehäuses 30 und die Klemmfläche 7 des Klemmrings 10 geklemmt. Abschliessend wird das nur teilweise im Längsschnitt dargestellte Warmschrumpfformteil 40 in bekannter Weise über die Anschlussvorrichtung 1 montiert, womit ein Schutz vor Feuchtigkeit, Staub und mechanischen Einwirkungen erreicht wird.To connect the
Claims (1)
- Releasable axially symmetrical connection device (1) for a shielded cable (2) with an outer conductor of braid (3), the device comprising a clamping ring (10) with a clamping surface (7) which lies on the outer surface (18) of the braid (3), a connector end housing (30) with a clamping surface (32) which lies on the inner surface (19) of the braid (3), and a clamping nut (20) which can be screwed together with the connector end housing (30) by axial movement, and which by axial pressure secures the braid (3) between the two clamping surfaces (7, 32), characterised in that the clamping ring (10) is substantially U-shaped in profile, whereby the inner limb (12) runs substantially parallel to the axis (I) of the connection device (1), and the outer limb (13) is bent outwardly, in that the clamping surface (7) of the clamping ring delimited by the two limbs (12, 13) is arranged substantially perpendicular to the axis (I) of the connection device (1), and in that there is moulded onto the connector end housing (30) a clamping element (31) which lies between the limbs (12,13) of the clamping ring (10) when the connection device (1) is assembled.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH76481 | 1981-02-05 | ||
CH764/81 | 1981-02-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0058249A1 EP0058249A1 (en) | 1982-08-25 |
EP0058249B1 true EP0058249B1 (en) | 1984-11-14 |
Family
ID=4194625
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19810110023 Expired EP0058249B1 (en) | 1981-02-05 | 1981-12-01 | Connection device for a shielded cable |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0058249B1 (en) |
DE (1) | DE3167231D1 (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2694183A (en) * | 1953-09-29 | 1954-11-09 | George G Edlen | Tap-off coupler with fixed attenuation for coaxial lines |
DE2048694A1 (en) * | 1970-10-03 | 1972-04-06 | Williams Instruments | Electrical cable connector, in particular for shielded cables |
US3781762A (en) * | 1972-06-26 | 1973-12-25 | Tidal Sales Corp | Connector assembly |
DE2260734C3 (en) * | 1972-12-12 | 1984-09-20 | Georg Dr.-Ing. 8152 Feldkirchen-Westerham Spinner | RF coaxial connector |
DE7432354U (en) * | 1974-09-26 | 1975-01-02 | Teldix Gmbh | Device for a connector |
-
1981
- 1981-12-01 EP EP19810110023 patent/EP0058249B1/en not_active Expired
- 1981-12-01 DE DE8181110023T patent/DE3167231D1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE3167231D1 (en) | 1984-12-20 |
EP0058249A1 (en) | 1982-08-25 |
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