EP0252218A1 - Connector between two coaxial cables - Google Patents

Connector between two coaxial cables Download PDF

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Publication number
EP0252218A1
EP0252218A1 EP19870104177 EP87104177A EP0252218A1 EP 0252218 A1 EP0252218 A1 EP 0252218A1 EP 19870104177 EP19870104177 EP 19870104177 EP 87104177 A EP87104177 A EP 87104177A EP 0252218 A1 EP0252218 A1 EP 0252218A1
Authority
EP
European Patent Office
Prior art keywords
plug
extension cable
mother
coaxial
antenna
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
EP19870104177
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German (de)
French (fr)
Other versions
EP0252218B1 (en
Inventor
Reinhard Alf
Kurt Klinkwitz
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0252218A1 publication Critical patent/EP0252218A1/en
Application granted granted Critical
Publication of EP0252218B1 publication Critical patent/EP0252218B1/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
    • H01R24/54—Intermediate parts, e.g. adapters, splitters or elbows
    • H01R24/542—Adapters
    • 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 is based on an extension cable according to the preamble of the main claim.
  • Extension cables are known (BOSCH car antenna catalog 1986, page 26), but they presuppose that the cable ends of the extension cable have different plug elements, namely an antenna plug and a socket.
  • the known plugs are usually mechanically connected to the cable ends by extrusion coating.
  • An extension cable with the characterizing features of the main claim has the advantage that at least one cable end of the antenna cable and extension cable have the same plug parts, so that the production of antenna cables and extension cables is greatly simplified. As a rule, you can even equip all four cable ends of antenna and extension cables with the same connectors.
  • An extension cable according to the invention in which the contact spring has an approximately triangular cross section is particularly advantageous. This ensures good contact between the elongated contact spring and the connector pins of the mother connector of the antenna cable and extension cable to be connected.
  • Fig. 1 denotes an antenna cable, one end of which is not shown is detachably or permanently connected to a car antenna and the other end 11 has a coaxial mother plug 12 which is designed as an angle plug and which can normally be plugged onto a corresponding father plug of a car radio input.
  • a coaxial adapter piece 13 is inserted into the mother connector 12, which dips a little less than half its length into the mother connector 12.
  • a mother plug 14 of an extension cable 15 is then plugged onto the end of the adapter piece 13 protruding from the mother plug 12.
  • the other end of the extension cable 15 can either be provided with a mother plug 16, as shown in FIG. 3, or, as in the case of an extension cable 17 according to FIG. 4, with a straight coaxial antenna plug 18.
  • the coaxial mother connector 16 fits into a corresponding connector element of a car radio.
  • the mother plug 12 has a resilient outer conductor contact 21 in the form of an axially multiply slotted cap and an insulated central plug pin 22.
  • the insulation between the outer conductor contact 21 and the plug pin 22 is achieved at the same time as the cap-shaped insulating material part is produced by spraying or pressing.
  • a radially projecting insulating material tube 23 is also formed, which encloses the insulation of the antenna cable and connects to it; see. also Fig. 4.
  • the plug pin 22 is provided at its free end with a conical taper 24, and the free end of the outer conductor contact 21 has an inwardly directed projection 25, the meaning of which is explained below.
  • the adapter piece 13 (FIGS. 2, 5 and 6) has an electrically conductive sleeve 30, in which a cylindrical insulating material bushing 31 is fastened. An opening 32 of the insulating material bushing 31 is somewhat enlarged in diameter over most of its length, so that a receiving opening 34 is created for an elongated contact spring 35.
  • the elongated contact spring as shown in Fig. 6, has an approximately triangular cross section and is provided with a longitudinal slot 36 so that it can be compressed somewhat to be inserted into the receiving opening 34.
  • the elongated contact spring 35 decreases when plugged together Mother connector 12 and adapter piece 13 on the connector pin 22 of the mother connector. The contact is then made in a line at the points identified by a, b, c; see.
  • the electrically conductive sleeve 30 is provided on its circumference with a constriction 37 (Fig. 5), so that the projection 25 of the outer conductor contact 21 bears against the undercut 38 formed by the constriction 37. This prevents the adapter piece 13 from accidentally falling out of the mother plug 12.
  • the conical taper 24 on the plug pin 22 facilitates the insertion of the same into the elongated contact spring 35.

Abstract

A known extension cable for an antenna cable carries a plug at one end and a socket at the other end, so that its plug can be connected, for example, to the socket of the antenna cable. To reduce the production cost, the extension cable (15) according to the invention carries a coaxial mother plug (14) at least at the end to be connected to the antenna cable (10), in the same way as the antenna cable. A coaxial adapter (13) is used for connecting the mother plug (14) of the extension cable to the mother plug (12) of the antenna cable. (Figs. 1 to 3). <IMAGE>

Description

Stand der TechnikState of the art

Die Erfindung geht von einem Verlängerungskabel nach der Gattung des Hauptanspruchs aus.The invention is based on an extension cable according to the preamble of the main claim.

Es sind Verlängerungskabel bekannt (BOSCH-Autoantennenkatalog 1986, Seite 26), die jedoch voraussetzen, daß die Kabelenden des Verlängerungskabels verschiedene Steckelemente aufweisen, nämlich einen Antennenstecker und eine Steckbuchse. Die bekannten Stecker sind üblicherweise mit den Kabelenden mechanisch durch Umspritzen verbunden.Extension cables are known (BOSCH car antenna catalog 1986, page 26), but they presuppose that the cable ends of the extension cable have different plug elements, namely an antenna plug and a socket. The known plugs are usually mechanically connected to the cable ends by extrusion coating.

Vorteile der ErfindungAdvantages of the invention

Ein Verlängerungskabel mit den kennzeichnenden Merkmalen des Hauptanspruchs hat den Vorteil, daß zumindest ein Kabelende von Antennenkabel und Verlängerungskabel gleiche Steckerteile besitzen, so daß sich die Herstellung von Antennenkabeln und Verlängerungskabeln stark vereinfacht. In der Regel wird man sogar alle vier Kabelenden von Antennen- und Verlängerungskabel mit gleichen Steckern ausrüsten können.An extension cable with the characterizing features of the main claim has the advantage that at least one cable end of the antenna cable and extension cable have the same plug parts, so that the production of antenna cables and extension cables is greatly simplified. As a rule, you can even equip all four cable ends of antenna and extension cables with the same connectors.

Besonders vorteilhaft ist ein erfindungsgemäßes Verlängerungskabel, bei dem die Kontaktfeder einen etwa dreieckförmigen Querschnitt aufweist. Dadurch wird eine gute Kontaktgabe zwischen länglicher Kontaktfeder und den Steckerstiften der zu verbindenden Mutterstecker von Antennenkabel und Verlängerungskabel erreicht.An extension cable according to the invention in which the contact spring has an approximately triangular cross section is particularly advantageous. This ensures good contact between the elongated contact spring and the connector pins of the mother connector of the antenna cable and extension cable to be connected.

Zeichnungdrawing

Ausführungsbeispiele der Erfindung sind in der Zeichnung an Hand mehrerer Figuren dargestellt und in der nachfolgenden Beschreibung näher erläutert. Die Zeichnung zeigt in

  • Fig. 1 eine Ansicht eines mit einem Autoradio zu verbindenden Kabelendes eines Antennenkabels,
  • Fig. 2 eine Ansicht eines erfindungsgemäßen Adapterstückes,
  • Fig. 3 eine Ansicht eines Verlängerungskabels mit zwei gleichen koaxialen Muttersteckern,
  • Fig. 4 eine Ansicht eines Verlängerungskabels mit einem koaxialen Mutterstecker und einem koaxialen Antennenstecker,
  • Fig. 5 eine stark vergrößerte Ansicht eines Adapterstückes, teilweise im Schnitt, und
  • Fig. 6 eine Schnittansicht zu Fig. 5 gemäß dem Schnittverlauf VI - VI in Fig. 5.
Exemplary embodiments of the invention are shown in the drawing using several figures and are explained in more detail in the description below. The drawing shows in
  • 1 is a view of a cable end of an antenna cable to be connected to a car radio,
  • 2 is a view of an adapter piece according to the invention,
  • 3 is a view of an extension cable with two identical coaxial mother plugs,
  • 4 is a view of an extension cable with a coaxial mother connector and a coaxial antenna connector,
  • Fig. 5 is a greatly enlarged view of an adapter piece, partly in section, and
  • 6 is a sectional view of FIG. 5 according to the section VI - VI in FIG. 5.

Beschreibung der ErfindungDescription of the invention

In Fig. 1 bezeichnet 10 ein Antennenkabel, dessen eines nicht gezeigtes Ende lösbar oder fest mit einer Autoantenne verbunden ist und dessen anderes Ende 11 einen als Winkelstecker ausgebildeten koaxialen Mutterstecker 12 aufweist, der normalerweise auf einen entsprechenden Vaterstecker eines Autoradio-­Eingangs aufsteckbar ist.In Fig. 1, 10 denotes an antenna cable, one end of which is not shown is detachably or permanently connected to a car antenna and the other end 11 has a coaxial mother plug 12 which is designed as an angle plug and which can normally be plugged onto a corresponding father plug of a car radio input.

Um das Antennenkabel 10 gegebenenfalls zu verlängern, wird in den Mutterstecker 12 ein koaxiales Adapterstück 13 gesteckt, das etwas weniger als zur Hälfte seiner Länge in dem Mutterstecker 12 eintaucht. Auf das aus dem Mutterstecker 12 vorstehende Ende des Adapterstückes 13 wird dann ein Mutterstecker 14 eines Verlängerungskabels 15 gesteckt. Das andere Ende des Verlängerungskabels 15 kann entweder, wie in Fig. 3 gezeigt, ebenfalls mit einem Mutterstecker 16 oder, wie bei einem Verlängerungskabel 17 gemäß Fig. 4, mit einem geraden koaxialen Antennenstecker 18 versehen sein. Der koaxiale Mutterstecker 16 paßt ebenso wie der Antennenstecker 18 in ein entsprechendes Steckerelement eines Autoradios.In order to extend the antenna cable 10, if necessary, a coaxial adapter piece 13 is inserted into the mother connector 12, which dips a little less than half its length into the mother connector 12. A mother plug 14 of an extension cable 15 is then plugged onto the end of the adapter piece 13 protruding from the mother plug 12. The other end of the extension cable 15 can either be provided with a mother plug 16, as shown in FIG. 3, or, as in the case of an extension cable 17 according to FIG. 4, with a straight coaxial antenna plug 18. Like the antenna connector 18, the coaxial mother connector 16 fits into a corresponding connector element of a car radio.

In den Fig. 5 und 6 ist der Aufbau eines Muttersteckers 12 und eines koaxialen Adapterstückes 13 gezeigt. Der Mutterstecker 12 weist in einem kappenförmigen Isolierstoffteil 20 einen federnden Außenleiterkontakt 21 in Form einer axial mehrfach geschlitzten Kappe und einen isoliert davon angebrachten zentrischen Steckerstift 22 auf. Die Isolation zwischen Außenleiterkontakt 21 und Steckerstift 22 wird gleichzeitig mit der Her­stellung des kappenförmigen Isolierstoffteils durch Spritzen oder Pressen erreicht. Gleichzeitig mit der vorgenannten Herstellung des kappenförmigen Isolierstoffteils wird auch ein radial vorstehendes Isolierstoffrohr 23 ge­bildet, das die Isolation des Antennenkabels umschließt und sich mit dieser verbindet; vgl. auch Fig. 4. Der Steckerstift 22 ist an seinem freien Ende mit einer konischen Verjüngung 24 versehen, und das freie Ende des Außen­leiterkontakts 21 weist einen nach innen gerichteten Vorsprung 25 auf, dessen Bedeutung weiter unten erläutert wird.5 and 6, the structure of a mother connector 12 and a coaxial adapter piece 13 is shown. In a cap-shaped insulating material part 20, the mother plug 12 has a resilient outer conductor contact 21 in the form of an axially multiply slotted cap and an insulated central plug pin 22. The insulation between the outer conductor contact 21 and the plug pin 22 is achieved at the same time as the cap-shaped insulating material part is produced by spraying or pressing. Simultaneously with the aforementioned manufacture of the cap-shaped insulating material part, a radially projecting insulating material tube 23 is also formed, which encloses the insulation of the antenna cable and connects to it; see. also Fig. 4. The plug pin 22 is provided at its free end with a conical taper 24, and the free end of the outer conductor contact 21 has an inwardly directed projection 25, the meaning of which is explained below.

Das Adapterstück 13 (Fig. 2, 5 und 6) weist eine elektrisch leitende Hülse 30 auf, in der eine zylindrische Isolierstoffbuchse 31 befestigt ist. Eine öffnung 32 der Isolierstoffbuchse 31 ist auf dem größten Teil ihrer Länge im Durchmesser etwas vergrößert, so daß eine Aufnahme-­Öffnung 34 für eine längliche Kontaktfeder 35 entsteht. Die längliche Kontaktfeder hat, wie in Fig. 6 gezeigt, einen etwa dreieckförmigen Querschnitt und ist mit einem Längsschlitz 36 versehen, so daß sie sich etwas zusammendrücken läßt, um in die Aufnahmeöffnung 34 eingeführt zu werden. Die längliche Kontaktfeder 35 nimmt beim Zusammenstecken von Mutterstecker 12 und Adapterstück 13 den Steckerstift 22 des Muttersteckers auf. Die Kontaktgabe erfolgt dann linienförmig an den durch a, b, c gekennzeichneten Stellen; vgl. Fig. 6. Die elektrisch leitende Hülse 30 ist an ihrem Umfang mit einer Einschnürung 37 (Fig. 5) versehen, so daß sich der Vorsprung 25 des Außenleiterkontaktes 21 an die durch die Einschnürung 37 gebildete Hinterschneidung 38 anlegt. Damit wird verhindert, daß das Adapterstück 13 unbeabsichtigt aus dem Mutterstecker 12 herausfällt. Die konische Verjüngung 24 an dem Steckerstift 22 erleichtert das Einführen desselben in die längliche Kontaktfeder 35.The adapter piece 13 (FIGS. 2, 5 and 6) has an electrically conductive sleeve 30, in which a cylindrical insulating material bushing 31 is fastened. An opening 32 of the insulating material bushing 31 is somewhat enlarged in diameter over most of its length, so that a receiving opening 34 is created for an elongated contact spring 35. The elongated contact spring, as shown in Fig. 6, has an approximately triangular cross section and is provided with a longitudinal slot 36 so that it can be compressed somewhat to be inserted into the receiving opening 34. The elongated contact spring 35 decreases when plugged together Mother connector 12 and adapter piece 13 on the connector pin 22 of the mother connector. The contact is then made in a line at the points identified by a, b, c; see. Fig. 6. The electrically conductive sleeve 30 is provided on its circumference with a constriction 37 (Fig. 5), so that the projection 25 of the outer conductor contact 21 bears against the undercut 38 formed by the constriction 37. This prevents the adapter piece 13 from accidentally falling out of the mother plug 12. The conical taper 24 on the plug pin 22 facilitates the insertion of the same into the elongated contact spring 35.

Claims (7)

1. Verlängerungskabel für ein mit einer Fahrzeugantenne verbundenes Antennenkabel, dessen freies, mit den Autoradio-Eingang zu verbindendes Ende einen koaxialen Mutterstecker aufweist, dadurch gekennzeichnet, daß das Verlängerungskabel (15) an mindestens einem Ende einen koaxialen Mutterstecker (14) aufweist und daß zum Verbinden des Muttersteckers (12) des Antennenkabels (10) mit dem Mutterstecker (14) des Verlängerungskabels (15) ein koaxiales Adapterstück (13) vorhanden ist, auf das die beiden zu verbindenden Mutterstecker aufsteckbar sind.1. Extension cable for an antenna cable connected to a vehicle antenna, the free end to be connected to the car radio input has a coaxial mother plug, characterized in that the extension cable (15) has at least one end a coaxial mother plug (14) and that for Connecting the mother plug (12) of the antenna cable (10) with the mother plug (14) of the extension cable (15) there is a coaxial adapter piece (13) onto which the two mother plugs to be connected can be plugged. 2. Verlängerungskabel nach Anspruch 1, dadurch gekennzeichnet, daß das Adapterstück (13) eine elektrisch leitende Hülse (30) aufweist, in der eine Isolierstoffbuchse (31) befestigt ist, und daß eine in der Isolier­stoffbuchse formschlüssig gehaltene längsgeschlitzte Kontaktfeder (35) zur Kontaktgabe mit den Steckerstiften (22) der zu verbindenden koaxialen Mutterstecker (12, 14) vorgesehen ist.2. Extension cable according to claim 1, characterized in that the adapter piece (13) has an electrically conductive sleeve (30) in which an insulating sleeve (31) is fastened, and that a longitudinally slotted contact spring (35) held in a form-fitting manner in the insulating sleeve for making contact with the connector pins (22) of the coaxial mother connector (12, 14) to be connected. 3. Verlängerungskabel nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Kontaktfeder (35) einen etwa dreieckförmigen Querschnitt aufweist.3. Extension cable according to claim 1 or 2, characterized in that the contact spring (35) has an approximately triangular cross-section. 4. Verlängerungskabel nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, daß die elektrisch leitende Hülse (30) des Adapterstücks (13) aus Messing oder einer Messing-Legierung besteht.4. Extension cable according to claim 1, 2 or 3, characterized in that the electrically conductive sleeve (30) of the adapter piece (13) consists of brass or a brass alloy. 5. Verlängerungskabel nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, daß die Kontaktfeder (35) aus Bronze besteht.5. Extension cable according to claim 1, 2 or 3, characterized in that the contact spring (35) consists of bronze. 6. Verlängerungskabel nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, daß die Kontaktfeder (35) aus Neusilber besteht.6. Extension cable according to claim 1, 2 or 3, characterized in that the contact spring (35) consists of nickel silver. 7. Verlängerungskabel nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die koaxialen Mutterstecker (12, 14) als Winkelstecker ausgebildet sind.7. Extension cable according to claim 1 or 2, characterized in that the coaxial mother plug (12, 14) are designed as angled plug.
EP19870104177 1986-06-27 1987-03-21 Connector between two coaxial cables Expired - Lifetime EP0252218B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8617227U 1986-06-27
DE19868617227 DE8617227U1 (en) 1986-06-27 1986-06-27 Extension cable for an antenna cable connected to a vehicle antenna

Publications (2)

Publication Number Publication Date
EP0252218A1 true EP0252218A1 (en) 1988-01-13
EP0252218B1 EP0252218B1 (en) 1992-02-26

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EP19870104177 Expired - Lifetime EP0252218B1 (en) 1986-06-27 1987-03-21 Connector between two coaxial cables

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EP (1) EP0252218B1 (en)
DE (2) DE8617227U1 (en)
ES (1) ES2028811T3 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6945818B2 (en) * 2003-08-08 2005-09-20 Masahiro Yamane Coaxial connector
EP1583171A1 (en) * 2004-03-29 2005-10-05 Sony Ericsson Mobile Communications AB Coaxial conductor
WO2005096432A1 (en) * 2004-03-29 2005-10-13 Sony Ericsson Mobile Communications Ab Coaxial conductor

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8711083U1 (en) * 1987-08-14 1987-10-15 Robert Bosch Gmbh, 7000 Stuttgart, De
DE3727116A1 (en) * 1987-08-14 1989-02-23 Bosch Gmbh Robert COAXIAL CONNECTOR FOR VEHICLE ANTENNA CABLES
DE8716011U1 (en) * 1987-12-01 1988-01-21 Robert Karst Elektrotechn. Fabrik, 1000 Berlin, De

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR960968A (en) * 1950-04-28
FR992456A (en) * 1949-05-25 1951-10-18 Improved sockets for plug-in electrical contact
FR1473224A (en) * 1966-01-28 1967-03-17 Electric contact
CH460110A (en) * 1966-09-30 1968-07-31 Siemens Ag Coaxial connector device, in particular for telecommunications equipment
DE1665758B1 (en) * 1966-09-27 1971-07-01 Siemens Ag Coaxial connector for communications engineering equipment
DE2840513A1 (en) * 1977-09-22 1979-04-05 Bunker Ramo COAXIAL CONNECTOR

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR960968A (en) * 1950-04-28
FR992456A (en) * 1949-05-25 1951-10-18 Improved sockets for plug-in electrical contact
FR1473224A (en) * 1966-01-28 1967-03-17 Electric contact
DE1665758B1 (en) * 1966-09-27 1971-07-01 Siemens Ag Coaxial connector for communications engineering equipment
CH460110A (en) * 1966-09-30 1968-07-31 Siemens Ag Coaxial connector device, in particular for telecommunications equipment
DE2840513A1 (en) * 1977-09-22 1979-04-05 Bunker Ramo COAXIAL CONNECTOR

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6945818B2 (en) * 2003-08-08 2005-09-20 Masahiro Yamane Coaxial connector
US7025631B2 (en) 2003-08-08 2006-04-11 Hirose Electric Co., Ltd. Coaxial connector
EP1583171A1 (en) * 2004-03-29 2005-10-05 Sony Ericsson Mobile Communications AB Coaxial conductor
WO2005096432A1 (en) * 2004-03-29 2005-10-13 Sony Ericsson Mobile Communications Ab Coaxial conductor

Also Published As

Publication number Publication date
DE8617227U1 (en) 1986-08-14
EP0252218B1 (en) 1992-02-26
DE3776822D1 (en) 1992-04-02
ES2028811T3 (en) 1992-07-16

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