EP0335438B1 - Connecteur pour câbles coaxiaux - Google Patents

Connecteur pour câbles coaxiaux Download PDF

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Publication number
EP0335438B1
EP0335438B1 EP89200700A EP89200700A EP0335438B1 EP 0335438 B1 EP0335438 B1 EP 0335438B1 EP 89200700 A EP89200700 A EP 89200700A EP 89200700 A EP89200700 A EP 89200700A EP 0335438 B1 EP0335438 B1 EP 0335438B1
Authority
EP
European Patent Office
Prior art keywords
coaxial cable
insulated
connector
seat
box structure
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
Application number
EP89200700A
Other languages
German (de)
English (en)
Other versions
EP0335438A3 (en
EP0335438A2 (fr
Inventor
Sandrino Valeri
Sauro Sciarma
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.)
HELMAN ELETTRONICA SpA
Original Assignee
HELMAN ELETTRONICA SpA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HELMAN ELETTRONICA SpA filed Critical HELMAN ELETTRONICA SpA
Priority to AT89200700T priority Critical patent/ATE101306T1/de
Publication of EP0335438A2 publication Critical patent/EP0335438A2/fr
Publication of EP0335438A3 publication Critical patent/EP0335438A3/en
Application granted granted Critical
Publication of EP0335438B1 publication Critical patent/EP0335438B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • H01R24/50—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 mounted on a PCB [Printed Circuit Board]
    • 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
    • H01R24/52—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 mounted in or to a panel or structure
    • H01R24/525—Outlets
    • 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

  • This invention relates to a connector which can be used on any type of electronic and/or electrical equipment which requires connection to a coaxial cable in order to function, with particular reference to the construction of distribution systems of radio and television signals.
  • the final result is that the signal received is altered or at least subharmonic disturbance is introduced.
  • the documents WO-A-8701520 and DE-U-8710240 relate to two similar devices, in which the connection between the live head of the coaxial cable and the socket terminal is effected with a complex mechanical system, where the screening is obtained by means of a screening cover which is an element of the contact system for the coaxial lead.
  • Document CH-A-238042 also filed when television in Europe was still inexistant (1943), relates to a device to be used for simple electric cables.
  • the present invention attempts to eliminate the unwanted problems deriving from the negative effects of the parasitic inductance present in the socket, providing a connector for coaxial cables having the features recited in the characterizing part of Claim 1. Additional advantageous features are indicated in the dependent Claims 2 to 4.
  • This invention eliminates all this since the cable and the electronic circuit are only connected electrically, all parasitic inductances being isolated and cut out, at the same time obtaining a good level of screening thanks to the special stop dowel which is electrically earthed to the mass of the equipment.
  • the invention comprises a connector which houses an insulated contact pin onto which is screwed a stop dowel with an insulated washer which screws down the head of the live lead of the coaxial cable.
  • This connector is also extremely practical since the cable does not have to be inserted into a gauged aperture but into the special housing in the flat, lightly knurled head of the contact pin and it is then screwed down by means of the insulated stop dowel.
  • the above-mentioned characteristics permit a connection to be obtained and this permits the whole equipment to function over a range of frequencies up to 2 GHz, maintaining relatively limited dimensions so as to permit easy use of the devices (TV sockets, various distributors) in the special flush-mounted wall boxes.
  • the connector 1 in question comprises a metal box structure 2, forming part of the body 3 of the socket 4, in which two cylindrical threaded seats 5 have been hollowed out, provided with apertures 6 at the front and having a profile 7 at the back which permits the insertion of the insulated element 8, into which the connecting pin 9 is inserted.
  • the aforesaid element 8 is inserted up to the underlying counterboring 11, and only the terminal 12 of the pin 9 pierces through the lower part of the counterboring 11 and is then soldered to the circuit plate 13 of the socket 4.
  • a stop dowel 14 consisting of an external threaded hollow body 15 into which a flexible metal element 17 and the insulated presser 16 are inserted, is screwed into the aforesaid cylindrical threaded seats 5.
  • the said stop dowel 14 has an internal circumferential rib 18 in order to reduce the attrition between the internal seat 19 and the presser 16 which is subject to axial play during screwing down.
  • the socket 4 is already set up for the coaxial connection.
  • the live lead 21 is inserted into the connector terminals in correspondance to the flat knurled head 22 of the connecting pin 9 and the dowel 14 is screwed down completely thus ensuring the electrical connection with the circuit board 13 which is underneath.
  • the head 22 of the pin 9 is knurled to improve the hold of the internal conductor.
  • the braiding 23 of the two coaxial cables is earthed by a traditional fixing plate 24 provided with a threaded locking element 25 located in a central position.
  • the external body of the connector can be of a different external shape and the internal sizes can be different in order to adopt to the various types of sockets and the various types of utilisations foreseen.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)
  • Communication Cables (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (4)

  1. Connecteur (1) pour assurer le raccordement électrique entre les panneaux de sortie d'un équipement électronique ou électrique et l'extrémité de conducteur (21) d'un câble coaxial (20), comprenant une structure métallique en caisson (2) qui fait partie du corps (3) d'une prise murale (4), caractérisé en ce que la structure métallique en caisson (2) est munie de deux sièges cylindriques (5) comportant une partie supérieure et une partie inférieure, un élément isolé (8) étant inséré dans la partie inférieure de chacune desdits sièges, chacun desdits éléments isolés (8) recevant une broche centrale conductrice de raccordement (9) munie d'une tête plane (22) sur laquelle l'extrémité active (21) du câble coaxial (20) est placée et retenue avec la pression de verrouillage requise par un organe presseur isolé (16) disposé dans le siège interne (19) d'une douille d'arrêt (14) vissée à fond dans la partie supérieure filetée des sièges internes (5) de la structure en caisson (2).
  2. Connecteur selon la revendication 1, caractérisé en ce que la tête plane (22) de la broche de raccordement (9) est moletée afin d'assurer un raccordement électrique optimal entre ladite broche (9) et l'extrémité active (21) du câble coaxial (20) et pour minimiser les perturbations dues à des inductances parasitaires.
  3. Connecteur selon la revendication 1, caractérisé en ce que une rondelle élastique flexible (17) est disposée dans le siège interne (19) de la douille d'arrêt (14) au-dessus de l'organe presseur isolé (16) afin d'assurer un raccordement électrique entre l'extrémité active (21) du câble coaxial (20) et ladite broche (9), même si la douille d'arrêt (14) n'est pas vissée à fond.
  4. Connecteur selon la revendication 1, caractérisé en ce que l'organe presseur isolé (16) est maintenu en place sur l'extrémité active (21) du câble coaxial (20), du fait qu'il est reçu dans un siège creux supérieur profilé de l'élément isolé (8), ledit siège présentant également une ouverture frontale, la forme du siège et de son ouverture frontale s'ajustant à un profilé complémentaire (7) et à une ouverture (6) des sièges cylindriques (5) de la structure en caisson (2) de la prise (4).
EP89200700A 1988-03-31 1989-03-20 Connecteur pour câbles coaxiaux Expired - Lifetime EP0335438B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89200700T ATE101306T1 (de) 1988-03-31 1989-03-20 Koaxialkabelsteckverbinder.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2005188 1988-03-31
IT20051/88A IT1217384B (it) 1988-03-31 1988-03-31 Morsetto per connessione di cavi coassiali

Publications (3)

Publication Number Publication Date
EP0335438A2 EP0335438A2 (fr) 1989-10-04
EP0335438A3 EP0335438A3 (en) 1989-11-08
EP0335438B1 true EP0335438B1 (fr) 1994-02-02

Family

ID=11163424

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89200700A Expired - Lifetime EP0335438B1 (fr) 1988-03-31 1989-03-20 Connecteur pour câbles coaxiaux

Country Status (5)

Country Link
EP (1) EP0335438B1 (fr)
AT (1) ATE101306T1 (fr)
DE (1) DE68912802T2 (fr)
ES (1) ES2050778T3 (fr)
IT (1) IT1217384B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI96460C (fi) * 1994-10-05 1996-06-25 Solitra Oy Liitosjärjestely
ES2233198B2 (es) * 2003-11-15 2006-07-16 Televes, S.A. Sistema de conexion para cable coaxial.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE739043C (de) * 1937-06-02 1945-01-18 Paul Jordan Verbindungs- oder Abzweigdose
CH238042A (de) * 1943-12-18 1945-06-15 Oerlikon Maschf Gefederte Klemmschraube für elektrische Stromanschlüsse.
DE3530722A1 (de) * 1985-08-28 1987-03-05 Kolbe & Co Hans Antennensteckdose
DE8710240U1 (de) * 1987-07-25 1987-09-17 Adolf Strobel Antennenfabrik GmbH & Co KG, 5060 Bergisch Gladbach Antennensteckdose
DE8809761U1 (de) * 1988-07-30 1988-09-22 Kurt Wolf & Co Kg, 7547 Wildbad Antennensteckdose

Also Published As

Publication number Publication date
ATE101306T1 (de) 1994-02-15
ES2050778T3 (es) 1994-06-01
DE68912802T2 (de) 1994-06-16
EP0335438A3 (en) 1989-11-08
EP0335438A2 (fr) 1989-10-04
IT1217384B (it) 1990-03-22
IT8820051A0 (it) 1988-03-31
DE68912802D1 (de) 1994-03-17

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