EP0306913A1 - Abzweigungsverbinder für koaxiale Kabel - Google Patents

Abzweigungsverbinder für koaxiale Kabel Download PDF

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Publication number
EP0306913A1
EP0306913A1 EP88114599A EP88114599A EP0306913A1 EP 0306913 A1 EP0306913 A1 EP 0306913A1 EP 88114599 A EP88114599 A EP 88114599A EP 88114599 A EP88114599 A EP 88114599A EP 0306913 A1 EP0306913 A1 EP 0306913A1
Authority
EP
European Patent Office
Prior art keywords
base
cable
connector
probe
support
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
EP88114599A
Other languages
English (en)
French (fr)
Other versions
EP0306913B1 (de
Inventor
Jean-Paul Heng
André Marmonier
Henri Guernet
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.)
ABB France SAS
Original Assignee
Cegelec SA
Entrelec SAS
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 Cegelec SA, Entrelec SAS filed Critical Cegelec SA
Publication of EP0306913A1 publication Critical patent/EP0306913A1/de
Application granted granted Critical
Publication of EP0306913B1 publication Critical patent/EP0306913B1/de
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
    • 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
    • H01R9/0509—Tapping connections

Definitions

  • the invention relates to a tap connector, for coaxial cable, capable of being mounted, on a support of an equipment to be served or of an adjoining socket, both before and after connection to the coaxial cable and to ensure a connection in shunt, possibly without intermediary, between the circuits of the equipment and the coaxial cable.
  • tapping connectors are proposed where the branch connection is made by means of connection points penetrating transversely into the coaxial cable, through the protective sheath which covers it, in order to selectively become embedded in the external tubular conductor or in the central core.
  • the central connection point commonly called a probe
  • a probe is generally covered by an insulator at least in the part which is intended to penetrate the cable and with the exception of its end by which it is embedded in the core of the cable .
  • This insulator is intended to eliminate the risks of short-circuiting of the cable by the probe, in particular when the external conductor is formed by a tubular braid of conductive wires.
  • connection points To limit as much as possible the deterioration of the coaxial cables by the connection points, an effort is made to minimize the dimensions of the part of these points which penetrate the cable. A compromise must be made to allow the pins to resist the forces exerted on them when the connector is mounted on the cable and in particular when they penetrate the cable.
  • the pilot hole provided for a probe is made after the cable, where it is inserted, has been positioned and immobilized definitively in the connector and we take advantage of the conduit through which this probe is introduced and in which it stops, for the realization of this pilot hole.
  • This solution makes it possible to take advantage of the drilling guide that is likely to form this conduit and to avoid the trial and error of setting up the probe that would be caused by drilling prior to immobilization of the cable in the connector.
  • Another objective of the present invention is also to propose a tapping connector capable of being positioned, on a support for an item of equipment to be served or an adjoining socket, both before and after connection to the coaxial cable.
  • the positioning of the probe, after pre-drilling of the cable involves mounting the connector on the cable prior to the fixing of this connector on its support and to its electrical connection to the equipment to be served or to the adjoining socket, when the probe is housed in the base by which the connector and is introduced through an orifice opening under this base, that is to say in the face of the latter which is normally applied against the support.
  • the present invention provides a tapping connector, for coaxial cable, capable of being mounted on a support of equipment to be served or of an adjoining socket, both before and after connection to the coaxial cable and possibly ensuring a branch connection, without intermediary, between the electrical circuits of the equipment and the coaxial cable.
  • the tapping connector has two complementary parts which are separable to allow the positioning of a coaxial cable crossing in a through conduit, formed between the two parts, where this cable is immobilized when the two parts are fixed, tight against one the other.
  • One of the parts which serves as a base for fixing the connector to the support, carries external connection end pieces for connection points which protrude into the conduit, the end pieces themselves protruding outside under the face of support of the base.
  • the connection points connect the ends respectively to the external tubular conductor and to the core from the outside of this cable.
  • the connection point or probe, intended to be connected to the cable core is removably mounted in a positioning guide which is arranged transversely to the cable conduit and which opens on the one hand in this conduit and on the other hand out of the base.
  • the base is provided with a probe positioning guide which is oriented obliquely with respect to the support face of the base and which opens outwardly from the base above said support face and laterally with respect to the complementary part, which, associated with the base, immobilizes the cable this allowing the introduction and the withdrawal of the probe even when the connector is fixed on a support by its base.
  • the tapping connector shown in Figures 1 and 3 is intended to be mounted on a coaxial cable 1 with circular section to allow a branch to be made from this cable to user equipment, not shown.
  • the stitching connector is composed of two complementary parts, here made of insulating material, possibly metallized on the surface, between which is formed a conduit 4 allowing the passage of coaxial cable and its immobilization when the two complementary parts are fixed, tightened. 'one over the other.
  • One of the complementary parts forms a base 2 and makes it possible to place and fix the stitching connector on a support 5.
  • the other part forms a stirrup 3 allowing the immobilization of the cable to be connected.
  • this support 5 is a plate, for example an insulating plate carrying conductive tracks, not shown, produced according to known techniques for producing printed circuits, this plate possibly serving as a support for components for electronic mounting. .
  • the support face 2A of the base 2 on the support 5 is provided with external connection ends 6, 7, for connection points of the connection connector, to the coaxial cable 1.
  • connection end pieces 6, 7 are here of the pin type so as to be able to be plugged into holes provided for this purpose in the support 5, for example in metallized holes making it possible, in a manner known per se, to connect by welding to the wave from the pins to the conductive tracks formed on the support 5.
  • the cable conduit 4 - Figure 1 - is formed at the plane of the joints between complementary parts, that is to say between base 2 and bracket 3 and it extends parallel to the face support 2A and therefore support 5 when the stitching connector is fixed on this support. This therefore immobilizes the coaxial cable 1 parallel to the support 5, if necessary.
  • the cable duct 4 is here made of two half-ducts each formed by a through groove of semi-cylindrical appearance, hollowed out in one of the complementary parts.
  • the half-duct formed in the base 2 extends longitudinally through the base 2, it is uncovered in the absence of the stirrup 3, which makes it possible to introduce the coaxial cable 1 which comes to lie therein. a well determined position because of its rigidity and its dimensional adequacy with this half-duct.
  • the stirrup 3 is placed on the base 2 so that the half-conduit which it comprises comes to fit on the corresponding half-conduit of this base by trapping the coaxial cable 1 which has been placed there.
  • the stirrup of the stirrup on the base 2 is carried out here by means of bolts the arrangement of which is specified in FIG. 6.
  • Each bolt is conventionally composed of a screw 11 and a nut 12, the screw crosses in line the stirrup 3 and a part of the base 2 through conduits 13, 14.
  • the conduit 13 opens outside the connector, at the upper part of the bracket by an orifice of larger diameter than that which leads towards the bearing face of the base 2 through their common joint plane.
  • the conduit 14 arises at the joint plane in the extension of the conduit 13 which it extends, it opens into a cavity 15 formed laterally in the base in the axis of said conduit 14 for a nut 12. This makes it possible to introduce the screws 11 through the upper part of the connector and the nuts 12 laterally in the base 2 whether the connector is fixed or not on its support.
  • FIGS. 4 and 5 make it possible to specify the internal structure of the connector in connection with the coaxial cable 1 which conventionally comprises a solid conductive core 1A situated at the center of a so-called external tubular conductor 1B from which it is separated by a solid insulator 1C.
  • the external tubular conductor 1B generally consisting of braided wires, is itself covered with an insulating and protective sheath 1D.
  • connection end pieces 6, 7 of connection points 16 and of a probe 17 intended to come respectively into contact with the external tubular conductor 1B or the core 1A of the coaxial cable 1 through the latter and transversely with respect to it.
  • connection points 16 is arranged transversely to the immobilization conduit of the coaxial cable in the half-conduit formed at the joint plane between complementary parts in the base.
  • the two connection points 16 of a pair are arranged symmetrically with respect to the median longitudinal plane of the half-duct, they enter this half-duct by two tapered parts intended to penetrate the external tubular conductor of the cable through the sheath and on either side of the soul.
  • connection points 16 which are made of hard, good conductive material, are fixed by force fitting or by overmolding in the base 2 so that their second ends, forming for example pins, protrude through the support face 2A of this base. to allow possible direct welding to the conductive tracks then carried by the support 5.
  • connection points 16 in the conduit of a connector is carried out during the installation of this cable in the half-conduit of the base 2, after prior removal of the caliper 3.
  • the immobilization of the coaxial cable 1 is also improved by the existence of flats 18, visible in FIG. 4, which oppose the movement of the cable both in rotation and in translation, after tightening the bolts securing the stirrup 3 to the base 2.
  • connection point or probe 17 is used for the connection of the tapping connector with the core 1A of the coaxial cable.
  • This probe 17 - Figure 7 - has a sharp point 17A intended to become embedded in the material of the core 1A, this sharp point made of conductive metal is conventionally embedded in an insulator intended to prevent it from contact with another conductor in its part likely to fit in a cable, with the exception of the sharp penetration end which it carries.
  • a thread 17B makes it possible to hold the probe in the base 2, the latter comprises for this purpose a probe positioning guide 20 which is arranged transversely to the cable duct and which is oriented obliquely with respect to the bearing face 2A of the base 2.
  • the positioning guide 20 opens on the one hand into the duct 4, on the other hand out of the base 2 above the bearing face 2A and laterally relative to the stirrup 3 which here covers the upper part of the connector, when in place.
  • the positioning guide 20 opens obliquely flush with the upper part of the connection connector formed by the base 2 and the bracket 3 assembled, this makes it possible to introduce or remove the probe 17 that the connector either mounted or not on a coaxial cable 1 and / or on a support 5.
  • the positioning guide 20 also opens laterally into the conduit 4 where the coaxial cable is immobilized, outside the area covered by the stirrup 3.
  • the probe 17 is of the spring type and a coil spring 21 which it carries is housed in the positioning guide 20, around a cylindrical head made of insulating material 17C itself fixed at the end of the thread 17B, of the other side of the sharp point 17A of this probe.
  • the thread 17B is introduced into a slide 23 able to move in translation in a slide which ends the positioning guide 20 inside the stitching connector and which opens with a narrowed portion allowing the introduction of the sharp point 17A into the conduit 4.
  • the spring 21 comes to bear at one end on the slide 23, via a support washer 24, it also bears at its other end against a tubular stop 25 immobilized at the external mouth of the positioning guide 20, for example by a non-illustrated circlip engaging in a circular groove in the mouth of the guide or else by a key 26 fixed in the base.
  • the cylindrical head 17C crosses the tubular stop 25 through which, it is able to move in rotation and partially in translation, a screwing imprint 27 is located at the end of the cylindrical body which is accessible from the outside through the tubular stop 25, it allows to screw and unscrew the probe.
  • connection end piece 7 is here of hollow tubular type so as to allow introduction of the braid before fixing it by welding in the end piece.
  • the latter is fixed to the end of a conduit 29 provided in the base between the internal end of the positioning guide 20 and the bearing face 2A for a conductive element.
  • the insertion of the probe into a coaxial cable 1, after immobilization of the latter between the base and the conductor stirrup, is carried out after perforation of the cable by means of a rotary drilling tool 30 carrying a projecting drill 30A on a 30B-30C drill holder.
  • the part of the drill 30A projecting from the drill holder 30B-30C is of length slightly less than the radius of a cross section of coaxial cable so as to penetrate into the solid insulation 1C of this cable through the protective sheath 1D and the external tubular conductor 1B without reaching the core 1A.
  • the drill 30A is provided for drilling a hole with the diameter of the sharp point 17A of the probe, it is introduced through the tubular stop 25, the spring 21 and the slide 23, the assembly formed by the tip 17A of the probe, the thread 17B and the cylindrical body 17C then being removed from the connector.
  • the drill holder 30B-30C is here composed of two successive parts stepped in diameter, the part 30A which actually carries the drill has a diameter smaller than that of the thread produced in the slide 23 for the thread 17B, so as to allow free penetration and rotation of this part 1A in the thread when drilling the coaxial cable.
  • the part 30B has a diameter corresponding to the internal diameter of the central hole formed in the tubular ring 25 for the cylindrical body 17C of the probe so as to use this central hole as a drilling guide.
  • the drilling is conventionally carried out by driving in and rotating the drill 30A by means of the tool body 30D until this body abuts against the tubular stop 25 and / or the base 2 outside the base 2.
  • the probe tip 17A-thread 17B-cylindrical body 17C assembly is introduced into the positioning guide 20 and the tubular stop 25.
  • the screwing of the probe tip 17A-thread 17B-cylindrical body 17C in the slide 23 is carried out by means of a screwdriver, not shown, applied in the screwing impression 27, it causes the slide to be pushed in. bottom of the positioning guide and that of the probe in the cable until its point 17 is embedded in the core 1A, after complete perforation of the solid insulation under the push of the screwdriver.
  • the support of the probe tip 17 on the core of the cable causes the slide 23 to rise along the thread 17B and the compression of the spring 21 between slide and tubular stop 25 and therefore the pressure constant of the tip on the core, in particular in the event of vibrations affecting the stitching connector.
  • Partial unscrewing of the probe-thread-cylindrical body assembly optionally allows the serviced equipment to be cut off from the circuit, when the probe tip separates from the core.
  • the tapping connector according to the invention can also be mounted on a cable for subsequent connection of its probe, for example during commissioning.
  • the cable is positioned between the two complementary parts, the base possibly being already fixed on its support. The drilling of the coaxial cable for the passage of the probe is then carried out only when the latter is connected.
  • the stitching connector according to the invention which has been described mounted on a plane support of equipment, for example of the printed circuit board type, is also capable of being attached to a male or female coaxial socket. usual to allow the connection of a coaxial bypass cable to the cable on which the tapping connector itself is mounted.
  • the base 2 ′ of the stitching connector is pressed against one face of a flat support 5 ′ here formed by a metal sheet which is good conductor.
  • the latter has holes 10 ′ aligned with the holes 9 ′ of the base 2 ′ to allow the base to be fixed to the support by screws, such as 31 ′, or by screws and nuts not shown.
  • the support 5 ′ is also crossed by a hole 32 ′ intended to allow the passage of the connection end piece 7B ′ of the stitching connector.
  • connection end piece 7B ′ shown here in the form of a pin, is carried by a stud 7A ′ which comprises a passage duct for a conductive element 28 ′ connecting it electrically to the slide of the tapping connector.
  • This passage duct is off-center with respect to the end piece 7B ′ in the stud 7B ′ where it is crimped.
  • the conductive element 28 ′ passes along the pin 7B ′ to lead to a central connection piece 33 ′, female or as here male, of the coaxial socket.
  • This connection piece 33 ′ comprises for example a conventional housing for one end of a conductive element 28 ′ in which the latter can be welded, or possibly crimped.
  • a positioning sleeve 34 ′ made of insulating material, surrounds the conductive element 28 ′ between the base 2 ′ of the stitching connector and the central connection piece 33 ′ which covers it.
  • This positioning sleeve is immobilized by a sleeve 35 ′ intended to form the external cylindrical conductor of the coaxial socket, which is here assumed to be fitted with bayonets 36 ′.
  • This external cylindrical conductor 35 ′ is for this purpose screwed concentrically to the central connection piece 33 ′ on a fixing sleeve 37 ′ which is pressed against the base 2 ′ by the support 5 ′; this socket is immobilized concentrically with the connection end piece 7 ′, for example by tightening an end flange 37A ′, which it comprises, in a circular groove bordering the hole in the support 5 ′, through which said socket past.
  • the fixing socket 37 ′ and the external cylindrical conductor 35 ′ are preferably made of good conductive metal, as is the support 5 ′ to be able to serve as a ground connection, the support 5 ′ being connected to the connection pins 16 ′ of the connector of stitching.
  • connection points 16 ′ are plugged into the base 2 ′ and crimped at the end into the support 5 ′, as seen in FIG. 9.
  • a hollow cylindrical insulating filling 38 ′ is fixed for example by overmolding inside the end of the external cylindrical conductor 35 ′ - FIG. 8 - to be placed around the central connection piece 33 ′ which it surrounds and which 'it presses on the socket 34 ′.
  • This filling maintains the central connection piece and its central cavity allows the insertion of a central connection piece, complementary to 33 ′, belonging to a complementary coaxial socket and here female, not shown.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
EP88114599A 1987-09-11 1988-09-07 Abzweigungsverbinder für koaxiale Kabel Expired - Lifetime EP0306913B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8712605A FR2620576B1 (fr) 1987-09-11 1987-09-11 Connecteur de piquage pour cable coaxial
FR8712605 1987-09-11

Publications (2)

Publication Number Publication Date
EP0306913A1 true EP0306913A1 (de) 1989-03-15
EP0306913B1 EP0306913B1 (de) 1993-03-17

Family

ID=9354805

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88114599A Expired - Lifetime EP0306913B1 (de) 1987-09-11 1988-09-07 Abzweigungsverbinder für koaxiale Kabel

Country Status (7)

Country Link
US (1) US4904204A (de)
EP (1) EP0306913B1 (de)
JP (1) JP2901982B2 (de)
BR (1) BR8804658A (de)
CA (1) CA1285626C (de)
DE (1) DE3879329T2 (de)
FR (1) FR2620576B1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5660565A (en) * 1995-02-10 1997-08-26 Williams; M. Deborah Coaxial cable connector
FR2747514B1 (fr) * 1996-04-15 1998-06-12 Trt Telecom Radio Electr Dispositif servant au montage sur site d'un connecteur sur un cable coaxial
DE19813606A1 (de) * 1998-03-27 1999-10-07 Tecnolumen Gmbh & Co Kg Elektrische Steckkupplung
DE19957545C2 (de) * 1999-11-30 2001-12-13 Daetwyler Ag Kabel & Systeme A Steckverbindung
DE102006003752A1 (de) * 2006-01-25 2007-09-20 Mc Technology Gmbh Kupplung
JP2008159306A (ja) * 2006-12-21 2008-07-10 Nec Corp コンプレッション型コネクタ
WO2021118812A1 (en) 2019-12-12 2021-06-17 Commscope Technologies Llc Dual coax network with power distribution and mid-span tap for signals and/or power from same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4691976A (en) * 1986-02-19 1987-09-08 Lrc Electronics, Inc. Coaxial cable tap connector
FR2600217A1 (fr) * 1986-06-12 1987-12-18 Alsthom Cgee Connecteur de piquage cable coaxial et obturateur de substitution correspondant

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA581405A (en) * 1959-08-18 S. Blonder Isaac Electrical-line tapper
US2615948A (en) * 1949-11-03 1952-10-28 Commercial Radio Sound Corp Coupler for wave transmission lines
US2805399A (en) * 1955-10-04 1957-09-03 William W Leeper Connector for uniting coaxial cables
US4120554A (en) * 1977-08-01 1978-10-17 Amp Incorporated Coaxial cable connector
US4437722A (en) * 1980-04-10 1984-03-20 Amp Incorporated Coaxial cable tap
JPS583178A (ja) * 1981-06-30 1983-01-08 Fujitsu Ltd 記憶状態分割制御方式
US4588249A (en) * 1982-11-03 1986-05-13 Amp Incorporated Coaxial cable tap connector
JPS6038833A (ja) * 1983-08-12 1985-02-28 Hitachi Ltd 半導体装置およびその製造方法
FR2566968A1 (fr) * 1984-06-29 1986-01-03 Radiall Ind Dispositif pour realiser une derivation sur un cable coaxial sans coupure de celui-ci
JPS61148062A (ja) * 1984-12-24 1986-07-05 Canon Inc インクジェット記録器具

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4691976A (en) * 1986-02-19 1987-09-08 Lrc Electronics, Inc. Coaxial cable tap connector
FR2600217A1 (fr) * 1986-06-12 1987-12-18 Alsthom Cgee Connecteur de piquage cable coaxial et obturateur de substitution correspondant

Also Published As

Publication number Publication date
US4904204A (en) 1990-02-27
JP2901982B2 (ja) 1999-06-07
DE3879329D1 (de) 1993-04-22
DE3879329T2 (de) 1993-06-24
FR2620576B1 (fr) 1992-10-02
JPH01112674A (ja) 1989-05-01
CA1285626C (fr) 1991-07-02
BR8804658A (pt) 1989-04-18
EP0306913B1 (de) 1993-03-17
FR2620576A1 (fr) 1989-03-17

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