EP0306913A1 - Coaxial cable-tapping connector - Google Patents

Coaxial cable-tapping connector 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
German (de)
French (fr)
Other versions
EP0306913B1 (en
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/en
Application granted granted Critical
Publication of EP0306913B1 publication Critical patent/EP0306913B1/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
    • 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.

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  • Multi-Conductor Connections (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Abstract

The invention relates to a tap-off connector enabling branch-off equipment to be connected to a coaxial cable. The connector comprises two separable complementary parts (2, 3) in order to permit the positioning of the coaxial cable (1) crosswise in an immobilising conduit provided between them. One of the parts (2), forming a base, carries, on its bearing face (2A) on a support (5), connecting pieces permitting direct branch-off of connection points of the connector to the coaxial cable with the support. The connection point or probe (17), intended to be connected to the core, is detachably mounted in a positioning guide (20) of the base which is oriented so as to permit the insertion and the removal of the probe, even when the connector is firmly attached to the support by its base. …<IMAGE>…

Description

L'invention concerne un connecteur de piquage, pour câble coaxial, susceptible d'être monté, sur un support d'un équipement à desservir ou d'une prise accolée, tant avant qu'après raccordement au câble coaxial et d'assurer un branchement en dérivation, éventuel­lement sans intermédiaire, entre les circuits de l'équipement et le câble coaxial.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.

L'exploitation grandissante des câbles coaxiaux pour l'intercon­nexion d'équipements émetteurs et/ou récepteurs, par exemple dans le cadre des réseaux locaux à stations multiples, conduit au dévelop­pement de conducteurs de piquage destinés à raccorder les équipements en parallèle au long d'un même câble exploité de manière partagée.The growing use of coaxial cables for the interconnection of transmitting and / or receiving equipment, for example in the context of local networks with multiple stations, leads to the development of tapping conductors intended to connect the equipment in parallel along the same cable operated in a shared manner.

Dans de nombreux cas et en particulier dans celui des réseaux à configuration évolutive, on souhaite préserver au maximum l'intégrité des câbles et l'on s'efforcer d'éviter les raccords de dérivation amovibles et T, qui obligent à morceler le câble et à le doter d'embouts d'enfichage pour les raccords, ainsi que les raccords nécessitant un encochage du câble à l'emplacement des connecteurs de piquage pour accéder à l'âme.In many cases and in particular in that of networks with an evolving configuration, it is desired to preserve the integrity of the cables as much as possible and an effort is made to avoid the removable branch connections and T, which oblige to break up the cable and to provide it with end fittings for the fittings, as well as the fittings requiring a notching of the cable at the location of the stitching connectors to access the core.

En effet dans ces deux cas, l'intervention faite sur le câble est irréversible et donc le plus souvent gênante en cas de reconfigura­tion.Indeed in these two cases, the intervention made on the cable is irreversible and therefore most often annoying in the event of reconfiguration.

Pour éviter cet inconvénient, des connecteurs de piquage sont proposés où le branchement en dérivation s'effectue par l'intermé­diaire de pointes de connexion pénétrant transversalement dans le câble coaxial, à travers la gaine protectrice qui le recouvre, pour venir s'incruster sélectivement dans le conducteur tubulaire externe ou dans l'âme centrale.To avoid this drawback, 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.

La pointe de connexion centrale, couramment appelée sonde, est généralement recouverte par un isolant au moins dans la partie qui est destinée à pénétrer dans le câble et à l'exception de son extrémité par laquelle elle vient s'incruster dans l'âme du câble. Cet isolant est destiné à éliminer les risques de mise en court-circuit du câble par la sonde, en particulier lorsque le conducteur externe est formé par une tresse tubulaire de fils conducteurs.The central connection point, commonly called 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.

Pour limiter au maximum la détérioration des câbles coaxiaux par les pointes de connexion, on s'efforce de réduire au minimum les dimensions de la partie de ces pointes qui pénétrent dans le câble. Un compromis doit être réalisé pour permettre aux pointes de résister aux forces exercées sur elles lors du montage du connecteur sur le câble et en particulier lors de leur pénétration dans la câble.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.

Il est connu de percer des avant-trous dans le câble aux emplacements prévus pour les connecteurs afin de faciliter la pénétra­tion des sondes jusqu'à l'âme du câble, ceci permettant de limiter en conséquence le diamètre des sondes.It is known to drill pilot holes in the cable at the locations provided for the connectors in order to facilitate the penetration of the probes to the core of the cable, this making it possible to limit the diameter of the probes accordingly.

De manière préférentielle, l'avant-trou prévu pour une sonde est réalisé après que le câble, où elle vient s'enfoncer, ait été positionné et immobilisé de manière définitive dans le connecteur et l'on profite du conduit par où cette sonde est introduite et dans lequel elle s'immobilise, pour la réalisation de cet avant-trou. Cette solution permet de profiter du guide de perçage qu'est susceptible de former ce conduit et d'éviter les tâtonnements de mise en place de la sonde qu'entraînerait un perçage préalable à l'immobilisation du câble dans le connecteur.Preferably, 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.

Il est également connu d'associer à la sonde un dispositif à ressort qui vient presser son extrémité contre l'âme où elle s'incruste, ceci a pour but d'assurer la constance dans le temps du contact établi entre la sonde et l'âme.It is also known to associate with the probe a spring device which presses its end against the core where it is encrusted, this is intended to ensure the consistency over time of the contact established between the probe and the soul.

Les solutions évoquées ci-dessus qui sont notamment reprises dans le cadre de la réalisation proposée par le brevet européen 0109229 sont également mis en oeuvre par la réalisation décrite dans la présente demande dont l'un des objectifs est de proposer un connecteur de piquage, sûr et fiable, simple à fabriquer et à installer, pratiquement non dégradant pour le câble.The solutions mentioned above, which are used in particular in the context of the embodiment proposed by European patent 0109229, are also implemented by the embodiment described in the present application, one of the objectives of which is to provide a safe connector for tapping. and reliable, simple to manufacture and install, practically non-degrading for the cable.

Un autre objectif de la présente invention est aussi de proposer un connecteur de piquage susceptible d'être positionné, sur un support d'un équipement à desservir ou d'une prise accolée, tant avant qu'après raccordment au câble coaxial.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.

En effet, le postionnement de la sonde, après préperçage du câble implique le montage du connecteur sur le câble préalablement à la fixation de ce connecteur sur son support et à son raccordement électrique à l'équipement à desservir ou à la prise accolée, lorsque la sonde est logée dans le socle par lequel on fixe le connecteur et est introduite par un orifice s'ouvrant sous ce socle, c'est-­à-dire dans la face de ce dernier qui est normalement appliquée contre le support.Indeed, 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.

Or, l'obligation de montage et de raccordement d'un connecteur sur un câble préalablement à son montage et à son raccordement à l'équipement utilisateur présente un inconvénient certain dans divers cas, par exemple lorsque l'équipement est prévu doté d'un connecteur de piquage fixe destiné à n'être connecté à un câble coaxial que sur les lieux d'installation, comme cela est le cas pour de nombreux équipements vendus en boîtiers sans leurs câbles de raccordement externe.However, the obligation to assemble and connect a connector on a cable before it is assembled and connected to the user equipment has a certain drawback in various cases, for example when the equipment is provided with a fixed tapping connector intended to be connected to a coaxial cable only at the installation site, as is the case for many pieces of equipment sold in boxes without their external connection cables.

En conséquence la présente invention propose un connecteur de piquage, pour câble coaxial, susceptible d'être monté sur un support d'équipement à desservir ou d'une prise accolée, aussi bien avant qu'après raccordement au câble coaxial et d'assurer éventuellement un branchement en dérivation, sans intermédiaire, entre les circuits électriques de l'équipement et le câble coaxial.Consequently, 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.

Le connecteur de piquage comporte deux parties complémentaires qui sont dissociables pour permettre le positionnement d'un câble coaxial en traversée dans un conduit débouchant, ménagé entre les deux parties, où ce câble est immobilisé lorsque les deux parties sont fixées, serrées l'une contre l'autre. L'une des parties, qui sert de socle de fixation du connecteur sur le support, porte des embouts de raccordement externe pour des pointes de connexion qui saillent dans le conduit, les embouts saillant eux-mêmes à l'extérieur sous la face d'appui du socle. Les pointes de connexion relient les embouts respectivement au conducteur tubulaire externe et à l'âme à partir de l'extérieur de ce câble. La pointe de connexion ou sonde, destinée à être reliée à l'âme du câble est montée de manière amovible dans un guide de positionnement qui est disposé transversalement au conduit de câble et qui débouche d'une part dans ce conduit et d'autre part hors du socle.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.

Selon une caractéristique de l'invention, le socle est doté d'un guide de positionnement de sonde qui est orienté obliquement par rapport à la face d'appui du socle et qui débouche extérieurement hors du socle au dessus de ladite face d'appui et latéralement par rapport à la partie complémentaire, qui, associée au socle, immobilise le câble ceci permettant l'introduction et le retrait de la sonde même lorsque le connecteur est assujetti sur un support par son socle.According to a characteristic of the invention, 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.

L'invention, ses caractéristiques et ses avantages sont précisés dans la description qui suit, en liaison avec les figures répertoriées ci-dessous.

  • La figure 1 présente une vue de dessus d'un connecteur de piquage selon l'invention, positionné sur un câble.
  • La figure 2 présente une vue de gauche du connecteur de la figure 1, câble coupé.
  • La figure 3 présente une vue de face du connecteur de la figure 1, monté sur un support.
  • Les figures 4 et 5 présentent respectivement une coupe transver­sale selon IV-IV et une coupe transversale selon V-V du connecteur de la figure 1, monté sur support.
  • La figure 6 présente une coupe selon VI-VI des deux parties complémentaires d'immobilisation de câble du connecteur selon la figure 1.
  • La figure 7 présente une sonde et un outil de perçage de câble en liaison avec le connecteur tel que vu sur la figure 4, ici sonde otée.
  • La figure 8 présente une vue partielle en coupe d'une variante de connecteur présentée ici accolée à une prise coaxiale au niveau d'un support commun.
  • La figure 9 montre un exemple de fixation de pointe de connexion pour le connecteur présenté figure 8.
The invention, its characteristics and its advantages are explained in the following description, in conjunction with the figures listed below.
  • Figure 1 shows a top view of a stitching connector according to the invention, positioned on a cable.
  • Figure 2 shows a left view of the connector of Figure 1, cable cut.
  • Figure 3 shows a front view of the connector of Figure 1, mounted on a support.
  • Figures 4 and 5 respectively show a cross section along IV-IV and a cross section along VV of the connector of Figure 1, mounted on a support.
  • FIG. 6 shows a section along VI-VI of the two complementary immobilizing parts of the cable of the connector according to FIG. 1.
  • Figure 7 shows a probe and a cable drilling tool in connection with the connector as seen in Figure 4, here removed probe.
  • Figure 8 shows a partial sectional view of a connector variant presented here attached to a coaxial socket at a common support.
  • FIG. 9 shows an example of connection point fixing for the connector presented in FIG. 8.

Le connecteur de piquage présenté sur les figures 1 et 3 est destiné à être monté sur un câble coaxial 1 à section circulaire pour permettre de réaliser une dérivation à partir de ce câble vers un équipement utilisateur, non figuré.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.

A cet effet le connecteur de piquage est composé de deux parties complémentaires, ici en matériau isolant, éventuellement métallisé en surface, entre lesquelles est ménagé un conduit 4 permettant la traversée de câble coaxial et son immobilisation lorsque les deux parties complémentaires sont fixées, serrées l'une sur l'autre.To this end, 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.

L'une des parties complémentaires forme un socle 2 et permet de poser et de fixer le connecteur de piquage sur un support 5.One of the complementary parts forms a base 2 and makes it possible to place and fix the stitching connector on a support 5.

L'autre partie forme un étrier 3 permettant l'immobilisation du câble à raccorder.The other part forms a stirrup 3 allowing the immobilization of the cable to be connected.

Dans l'exemple de réalisation proposé, ce support 5 est une plaque par exemple une plaque isolante porteuse de pistes conductrices, non figurées, réalisées selon les techniques connues de production des circuits imprimés, cette plaque servant éventuellement de support de composants pour un montage électronique.In the proposed embodiment, 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. .

La face d'appui 2A du socle 2 sur le support 5 est garnie d'embouts de raccordment externe 6, 7, pour des pointes de connexion du connecteur de piquage, au câble coaxial 1.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.

Ces embouts de raccordement 6, 7 sont ici de type broches de manière à pouvoir s'enficher dans des trous ménagés à cette effet dans le support 5, par exemple dans des trous métallisés permettant, de manière connue en soi, de raccorder par soudage à la vague des broches aux pistes conductrices ménagées sur le support 5.These 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.

Des plots de positionnement 8 réalisés sous la face d'appui 2A du socle 2 sur son support 5 séparent faiblement cette face d'appui 2A du support 5 où elle se pose et à laquelle le connecteur est fixé, par exemple par des boulons classiques, non figurés, traversant le socle 2 à sa base et le support 5 par des trous appropriés tels 9 et 10 sur la figure 6.Positioning pads 8 produced under the support face 2A of the base 2 on its support 5 slightly separate this support face 2A from the support 5 where it is posed and to which the connector is fixed, for example by conventional bolts, not shown, passing through the base 2 at its base and the support 5 by suitable holes such as 9 and 10 in FIG. 6.

Dans la forme de réalisation présentée, le conduit de câble 4 - figure 1 - est ménagé au niveau du plan des joints entre parties complémentaires, c'est-à-dire entre socle 2 et étrier 3 et il s'étend parallèlement à la face d'appui 2A et par conséquent au support 5 lorsque le connecteur de piquage est fixé sur ce support. Ceci immobilise donc le câble coaxial 1 parallèlement au support 5, si besoin est.In the embodiment presented, 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.

Le conduit de câble 4 est ici fait de deux demi-conduits formés chacun par une cannelure débouchante d'allure demi-cylindrique, creusée dans une des parties complémentaires. Le demi-conduit ménagé dans le socle 2 s'étend longitudinalement à travers le socle 2, il est découvert en l'absence de l'étrier 3, ce qui permet d'y introduire le câble coaxial 1 qui vient s'y allonger dans une position bien déterminée en raison de sa rigidité et de son adéquation dimension­nelle avec ce demi-conduit.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.

L'étrier 3 vient se placer sur le socle 2 de manière que le demi-conduit qu'il comporte vienne s'adapter sur le demi-conduit correspondant de ce socle en emprisonnant le câble coaxial 1 que l'on y a placé. L'assujetissement de l'étrier sur le socle 2 s'effectue ici par l'intermédiaire de boulons dont la disposition est précisée sur la figure 6.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.

Chaque boulon est classiquement composé d'une vis 11 et d'un écrou 12, la vis traverse en ligne l'étrier 3 et une partie du socle 2 à travers des conduits 13, 14.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.

Le conduit 13 s'ouvre à l'extérieur du connecteur, à la partie supérieure de l'étrier par un orifice de diamètre plus grand que celui qui mène vers la face d'appui du socle 2 à travers leur plan de joint commun. Le conduit 14 prend naissance au niveau du plan de joint dans le prolongement du conduit 13 qu'il prolonge, il débouche dans une cavité 15 ménagée latéralement dans le socle dans l'axe dudit conduit 14 pour un écrou 12. Ceci permet d'introduire les vis 11 par la partie supérieure du connecteur et les écrous 12 latéralement dans le socle 2 que le connecteur soit fixé ou non sur son support.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.

Les figures 4 et 5 permettent de préciser la structure interne du connecteur en liaison avec le câble coaxial 1 qui comprend classi­quement une âme conductrice massive 1A située au centre d'un conducteur tubulaire dit externe 1B dont elle est séparée par un isolant mas­sive 1C. Le conducteur tubulaire externe 1B, généralement constitué de fils tressés, est lui-même recouvert d'une gaine isolante et protectrice 1D.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.

Comme indiqué plus haut la face d'appui 2A du socle est traversée par les embouts de raccordment 6, 7 de points de connexion 16 et d'une sonde 17 destinées à venir respectivement entrer en contact avec le conducteur tubulaire externe 1B ou l'âme 1A du câble coaxial 1 à travers ce dernier et transversalement par rapport à lui.As indicated above, the support face 2A of the base is crossed by the 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.

Dans la réalisation proposée, une paire de pointes de connexion 16 est disposée transversalement au conduit d'immobilisation du câble coaxial dans le demi-conduit ménagé au niveau du plan de joint entre parties complémentaires dans le socle. Les deux pointes de connexion 16 d'une paire sont disposées symétriquement par rapport au plan longitudinal médian du demi-conduit, elles pénétrent dans ce demi-conduit par deux parties effilées destinées à pénétrer dans le conducteur tubulaire externe du câble à travers la gaine et de part et d'autre de l'âme.In the proposed embodiment, a pair of 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.

Les pointes de connexion 16 qui sont en matériau dur bon conducteur, sont fixées par emmanchement à force ou par surmoulage dans le socle 2 de manière leurs secondes extrémités, formant par exemple des broches, saillent à travers la face d'appui 2A de ce socle pour permettre un éventuel soudage direct aux pistes conductrices que porte alors le support 5.The 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.

L'enfoncement d'un câble coaxial, sur les pointes de connexion 16 dans le conduit d'un connecteur, s'effectue lors de la mise en place de ce câble dans le demi-conduit du socle 2, après retrait préalable de l'étrier 3.The insertion of a coaxial cable, on the 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.

La remise en place de l'étrier 3 sur le socle et le serrage des boulons 11, 12 assure l'immobilisation du câble coaxial dans le conduit 4 après pénétration des pointes de connexion dans le conducteur tubulaire externe 1B, la longueur de ces pointes et leur écartement assurant inévitablement leur pénétration dans ce dernier.The replacement of the stirrup 3 on the base and the tightening of the bolts 11, 12 ensures the immobilization of the coaxial cable in the conduit 4 after penetration of the connection tips in the external tubular conductor 1B, the length of these tips and their spacing inevitably ensuring their penetration into the latter.

L'immobilisation du câble coaxial 1 est également améliorée par l'existence de méplats 18, visibles sur la figure 4, qui s'opposent au déplacement du câble tant en rotation qu'en translation, après serrage des boulons d'assujettissement de l'étrier 3 au socle 2.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.

Dans la réalisation proposée et ainsi qu'on le voit sur la figure 5, une seule pointe de connexion ou sonde 17 est mise en oeuvre pour la mise en liaison du connecteur de piquage avec l'âme 1A du câble coaxial.In the proposed embodiment and as seen in Figure 5, a single connection point or probe 17 is used for the connection of the tapping connector with the core 1A of the coaxial cable.

Cette sonde 17 - figure 7 - comporte une pointe acérée 17A destinée à venir s'incruster dans le matériau de l'âme 1A, cette pointe acérée en métal conducteur est classiquement noyée dans un isolant destiné à lui éviter tout contact avec un autre conducteur dans sa partie susceptible de rentrer dans un câble, à l'exception de l'extrémité acérée de pénétration qu'elle porte.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.

Un filetage 17B permet de tenir la sonde dans le socle 2, ce dernier comporte à cet effet un guide de positionnement de sonde 20 qui est disposé transversalement au conduit de câble et qui est orienté obliquement par rapport à la face d'appui 2A du socle 2. Le guide de positionnement 20 débouche d'une part dans le conduit 4, d'autre par hors du socle 2 au dessus de la face d'appui 2A et latéralement par rapport à l'étrier 3 qui couvre ici la partie supérieure du connecteur, lorsqu'il est en place. Dans la réalisation proposée, le guide de positionnement 20 s'ouvre obliquement au ras de la partie supérieure du connecteur du piquage formé par le socle 2 et l'etrier 3 assemblés, ceci permet d'introduire ou de retirer la sonde 17 que le connecteur soit monté ou non sur un câble coaxial 1 et/ou sur un support 5.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. In the proposed embodiment, 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.

Le guide de positionnement 20 débouche aussi latéralement dans le conduit 4 où s'immobilise le câble coaxial, à l'extérieur de la zone couverte par l'étrier 3.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.

La sonde 17 est du type à ressort et un ressort à boudin 21 qu'elle porte vient se loger dans le guide de positionnement 20, autour d'une tête cylindrique en matériau isolant 17C elle-même fixée en bout du filetage 17B, de l'autre côté de la pointe acérée 17A de cette sonde.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.

Le filetage 17B vient s'introduire dans un coulisseau 23 apte se déplacer en translation dans une coulisse qui termine le guide de positionnement 20 à l'intérieur du connecteur de piquage et qui s'ouvre par une partie rétrécie permettant l'introduction de la pointe acérée 17A dans le conduit 4.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.

Le ressort 21 vient prendre appui par une extrémité sur le coulisseau 23, via une rondelle d'appui 24, il prend aussi appui par son autre extrémité contre une butée tubulaire 25 immobilisée à l'embouchure externe du guide de positionnement 20, par exemple par un circlips non figuré s'engageant dans une rainure circulaire de l'embouchure du guide ou encore par une clavette 26 fixée dans le socle. La tête cylindrique 17C traverse la butée tubulaire 25 à travers laquelle, elle est apte à se déplacer en rotation et partiellement en translation, une empreinte de vissage 27 est située à l'extrémité du corps cylindrique qui est accessible de l'extérieur à travers la butée tubulaire 25, elle permet de visser et dévisser la sonde.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.

Un élement conducteur 28, constitué par un fil souple ou une tresse, relie le coulisseau 23 constitué en métal bon conducteur à l'embout de raccordment 7 prévu en saillie hors de la face d'appui 2A du socle 2.A conductive element 28, constituted by a flexible wire or a braid, connects the slide 23 made of good conductive metal to the connection end piece 7 projecting from the bearing face 2A of the base 2.

Cet embout de raccordement 7 est ici de type tubulaire creux de manière à permettre une introduction de la tresse avant fixation de celle-ci par soudage dans l'embout. Ce dernier vient se fixer à l'extrémité d'un conduit 29 prévu dans le socle entre l'extrémité interne du guide de positionnement 20 et la face d'appui 2A pour un élément conducteur.This 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.

L'insertion de la sonde dans un câble coaxial 1, après immobili­sation de ce dernier entre le socle et l'étrier du conducteur, s'effectue après perforation du câble au moyen d'un outil rotatif de perçage 30 portant un foret 30A en saillie sur un porte-foret 30B-30C.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.

La partie du foret 30A saillant hors du porte-foret 30B-30C est de longueur légèrement inférieure au rayon d'une section transver­sale de câble coaxial de manière à pénétrer dans l'isolant massif 1C de ce câble à travers la gaine protectrice 1D et le conducteur tubulaire externe 1B sans atteindre l'âme 1A.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.

Le foret 30A est prévu pour forer un trou au diamètre de la pointe acérée 17A de la sonde, il est introduit à travers la butée tubulaire 25, le ressort 21 et le coulisseau 23, l'ensemble formé par la pointe 17A de la sonde, le filetage 17B et le corps cylindrique 17C étant alors ôté du connecteur. Le porte-foret 30B-30C est ici composé de deux parties successives étagées en diamètre, la partie 30A qui porte réellement le foret a un diamètre inférieur à celui du taraudage réalisé dans le coulisseau 23 pour le filetage 17B, de manière à permettre la libre pénétration et la rotation de cette partie 1A dans le taraudage lors du perçage du câble coaxial. La partie 30B a un diamètre correspondant au diamètre intérieur du trou central ménagé dans la bague tubulaire 25 pour le corps cylindrique 17C de la sonde de manière à se servir de ce trou central comme guide de perçage.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.

Le perçage est classiquement effectué par enfoncement et rotation du foret 30A au moyen du corps d'outil 30D jusqu'à venue en butée de ce corps contre la butée tubulaire 25 et/ou le socle 2 à l'extérieur du socle 2.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.

Après retrait du foret hors de la butée tubulaire 25 l'ensemble pointe de sonde 17A-filetage 17B-corps cylindrique 17C est introduit dans le guide de positionnement 20 et la butée tubulaire 25.After withdrawal of the drill bit from the tubular stop 25 the probe tip 17A-thread 17B-cylindrical body 17C assembly is introduced into the positioning guide 20 and the tubular stop 25.

Le vissage de l'ensemble pointe de sonde 17A-filetage 17B-corps cylindrique 17C dans le coulisseau 23 est effectué au moyen d'un tournevis, non figuré, appliqué dans l'empreinte de vissage 27, il entraîne l'enfoncement du coulisseau en fond de guide de position­nement et celui de la sonde dans le câble jusqu'à incrustation de sa pointe 17 dans l'âme 1A, après perforation complète de l'isolant massif sous la poussée du tournevis.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.

L'appui de la pointe 17 de sonde sur l'âme du câble entraîne la remontée du coulisseau 23 le long du filetage 17B et la compression du ressort 21 entre coulisseau et butée tubulaire 25 et par conséquent la constance de la pression de la pointe sur l'âme notamment en cas de vibrations affectant le connecteur de piquage.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.

Le dévissage partiel de l'ensemble sonde-filetage-corps cylindri­que permet éventuellement une mise hors circuit de circuit de l'équi­pement desservi par rapport au câble, lorsque la pointe de la sonde se sépare de l'âme.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.

Le démontage du connecteur par retrait de la sonde, de l'étrier et du socle laisse le câble coaxial pratiquement intact.Disassembly of the connector by removing the probe, the bracket and the base leaves the coaxial cable practically intact.

Le connecteur de piquage selon l'invention peut aussi être monté sur un câble en vue d'un raccordement ultérieur de sa sonde par exemple lors de la mise en service. Dans ce cas le câble est positionné entre les deux parties complémentaires, le socle étant éventuellement déjà fixé sur son support. Le perçage du câble coaxial pour le passage de la sonde n'est alors effectué qu'au moment du raccordement de cette dernière.The tapping connector according to the invention can also be mounted on a cable for subsequent connection of its probe, for example during commissioning. In this case 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.

Dans une variante de montage le connecteur de piquage selon l'invention, qui a été décrit monté sur un support plan d'équipement, par exemple du type carte de circuit imprimé, est aussi susceptible d'être accolé à une prise coaxiale mâle ou femelle usuelle pour permettre le raccordement d'un câble coaxial de dérivation au câble sur lequel est monté le connecteur de piquage proprement dit.In a mounting variant, 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.

A cet effet, le socle 2′ du connecteur de piquage, dont seule la base est esquissée sur la figure 7, vient se plaquer sur une face d'un support plan 5′ ici formé par une plaquette métallique bonne conductrice. Cette dernière comporte des trous 10′ alignés avec les trous 9′ du socle 2′ pour permettre une fixation du socle sur le support par vis, telle 31′, ou par vis et écrou non figurés. Le support 5′ est aussi traversé par un trou 32′ destiné à permettre le passage de l'embout de raccordement 7B′ du connecteur de piquage. L'embout de raccordement 7B′, représenté ici sous forme d'une broche, est porté par un plot 7A′ qui comporte un conduit de passage pour un élément conducteur 28′ le reliant électriquement au coulisseau du connecteur de piquage. Ce conduit de passage est décentré par rapport à l'embout 7B′ dans le plot 7B′ où il est serti. L'élément conducteur 28′ passe le long de la broche 7B′ pour aboutir à une pièce de connexion centrale 33′, femelle ou comme ici mâle, de la prise coaxiale. Cette pièce de connexion 33′ comporte par exemple un classique logement pour une extrémité d'élément conducteur 28′ dans lequel ce dernier peut être soudé, ou éventuellement serti.To this end, the base 2 ′ of the stitching connector, of which only the base is sketched in FIG. 7, 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. The 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.

Une douille de positionnement 34′, en matériau isolant entoure l'élément conducteur 28′ entre le socle 2′ du connecteur de piquage et la pièce de connexion centrale 33′ qui vient le coiffer. Cette douille de positionnement est immobilisée par un manchon 35′ destiné à former le conducteur cylindrique externe de la prise coaxiale, qui est ici supposée munie de baïonnettes 36′. Ce conducteur cylindrique externe 35′ vient a cet effet se visser concentriquement à la pièce de connexion centrale 33′ sur une douille de fixation 37′ qui est plaquée contre le socle 2′ par le support 5′ ; cette douille est immobilisée concentriquement à l'embout de raccordment 7′, par exemple par serrage d'une collerette d'extrémité 37A′, qu'elle comporte, dans une rainure circulaire bordant le trou du support 5′, à travers lequel ladite douille passe.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.

La douille de fixation 37′ et le conducteur cylindrique externe 35′ sont préférablement en métal bon conducteur, de même que le support 5′ pour pouvoir servir de liaison de masse, le support 5′ étant relié aux pointes de connexion 16′ du connecteur de piquage.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.

Dans l'exemple présenté, les pointes de connexion 16′ sont enfichées dans le socle 2′ et serties en bout dans le support 5′, comme on le voit sur la figure 9.In the example presented, the connection points 16 ′ are plugged into the base 2 ′ and crimped at the end into the support 5 ′, as seen in FIG. 9.

Un remplissage isolant cylindrique creux 38′ est fixé par exemple par surmoulage à l'intérieur de l'extrémité du conducteur cylindrique externe 35′ - figure 8 - pour venir se placer autour de la pièce de connexion centrale 33′ qu'il entoure et qu'il presse sur la douille 34′. Ce remplissage assure le maintien de la pièce de connexion centrale et sa cavité centrale autorise l'insertion d'une pièce de connexion centrale, complémentaire de 33′, appartenant à une prise coaxiale complémentaire et ici femelle, non représentée.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.

Bien entendu il est possible d'accoler de manière identique, à un connecteur de piquage, soit une classique prise coaxiale mâle, soit une classique prise coaxiale femelle à des fins de raccordement d'un câble coaxial ou d'un appareillage par des prises complémentaires non représentées.Of course, it is possible to attach, in an identical manner, to a tapping connector, either a conventional male coaxial socket, or a conventional female coaxial socket for the purpose of connecting a coaxial cable or an appliance by complementary sockets not shown.

Claims (7)

1/ Connecteur de piquage, pour câble coaxial, comportant deux parties complémentaires (2, 3) qui sont dissociables pour permettre le positionnement d'un câble coaxial (1) en traversée dans un conduit (4), débouchant, ménagé entre les deux parties, où ce câble est immobilisé lorsque les deux parties sont fixées, serrées l'une contre l'autre, l'une des parties (2), qui sert de socle de fixation du connecteur sur un support (5), portant des embouts de raccordement externe (6, 7) pour des pointes de connexion (6, 7) qui saillent dans le conduit et relient les embouts respectivement au conducteur tubulaire externe (1B) et à l'âme (1A) du câble à partir de l'extérieur de ce câble, ces embouts saillant eux-mêmes, à l'extérieur, sous la face d'appui (2A)du socle sur le support, la pointe de connexion (17) ou sonde, destinée à être reliée à l'âme, étant montée de manière amovible dans un guide de positionnement (20) disposé transver­salement au conduit (4) de câble et débouchant d'une part dans ce conduit et d'autre part à l'extérieur du socle (2), caractérisé en ce que le socle (2) est doté d'un guide de positionnement (20) de sonde qui est orienté obliquement par rapport à la face d'appui (2A) du socle sur un support et qui débouche extérieurement hors du socle au dessus de ladite face d'appui et latéralement par rapport à la partie complémentaire ou étrier (3) qui, associée au socle, immobilise le câble, ceci permettant l'introduction et le retrait de la sonde même lorsque le connecteur est assujetti sur un support par son socle.1 / Tapping connector, for coaxial cable, comprising two complementary parts (2, 3) which can be separated to allow the positioning of a coaxial cable (1) passing through a conduit (4), opening out, formed between the two parts , where this cable is immobilized when the two parts are fixed, tight against one another, one of the parts (2), which serves as a base for fixing the connector on a support (5), carrying end caps external connection (6, 7) for connection points (6, 7) which project into the conduit and connect the end pieces respectively to the external tubular conductor (1B) and to the core (1A) of the cable from the outside of this cable, these end pieces themselves projecting outside, under the bearing face (2A) of the base on the support, the connection point (17) or probe, intended to be connected to the core, being removably mounted in a positioning guide (20) disposed transversely to the cable conduit (4) and opening on the one hand into this conduit and on the other hand outside the base (2), characterized in that the base (2) is provided with a positioning guide (20) of probe which is oriented obliquely with respect to the face of support (2A) of the base on a support and which opens outwardly from the base above said support face and laterally with respect to the complementary part or stirrup (3) which, associated with the base, immobilizes the cable, this allowing the 'introduction and removal of the probe even when the connector is fixed on a support by its base. 2/ Connecteur de piquage selon la revendication 1, caractérisé en ce que le guide de positionnement (20) de sonde débouche hors du connecteur à la partie supérieure de ce dernier, latéralement par rapport à l'étrier (3) d'immobilisation du câble sur le socle (2), qui couvre le reste de ladite partie supérieure de connecteur au-­dessus du câble coaxial (1) par rapport à la base du socle (2), ledit étrier étant fixé au socle (2) par des organes d'immobilisation (11, 12) manoeuvrables au niveau de ladite partie supérieure, de manière à permettre la mise en place et l'immobilisation du câble dans le connecteur même si le socle du connecteur est assujetti sur un support.2 / tapping connector according to claim 1, characterized in that the positioning guide (20) of the probe opens out of the connector at the upper part of the latter, laterally relative to the bracket (3) for immobilizing the cable. on the base (2), which covers the rest of said upper connector part above the coaxial cable (1) relative to the base of the base (2), said bracket being fixed to the base (2) by means of immobilization (11, 12) maneuverable at said upper part, so as to allow the establishment and immobilization of the cable in the connector even if the base of the connector is secured on a support. 3/ Connecteur de piquage selon la revendication 1, caractérisé en ce que le guide de positionnement (20) de sonde se prolonge obliquement dans le socle par un conduit, dit de conducteur, (29) s'étendant vers la face d'appui (2A) du socle en dehors du conduit (4) d'immobilisation de câble pour permettre la mise en liaison électrique par un élément conducteur (28) de la sonde (17) avec l'embout de raccordement externe (7) correspondant qui saille sous la face d'appui (2A) du socle.3 / tapping connector according to claim 1, characterized in that the positioning guide (20) probe extends obliquely in the base by a conduit, called conductor, (29) extending towards the bearing face ( 2A) of the base outside the cable immobilization duct (4) to allow electrical connection by a conductive element (28) of the probe (17) with the corresponding external connection end piece (7) which projects under the support face (2A) of the base. 4/ Connecteur de piquage selon la revendication 1, caractérisé, en ce que le guide de positionnement (20) de sonde débouche latéra­lement dans le conduit (4) d'immobilisation de câble, à l'extérieur de la zone couverte par l'étrier (3) d'immobilisation du câble.4 / branch connector according to claim 1, characterized in that the positioning guide (20) of the probe opens laterally into the cable immobilization duct (4), outside the area covered by the stirrup (3) immobilization of the cable. 5/ Connecteur de piquage selon les revendications 1 à 4 caractérisé en ce qu'il comporte une sonde (17) apte à se visser dans un coulisseau (23) mobile en translation dans une coulisse ménagée en fond de guide de positionnement, ledit coulisseau étant pressé par un ressort (21) vers le fond de la coulisse, ce ressort prenant appui d'une part sur le coulisseau (23) d'autre part contre un butée tubulaire (25), immobilisée dans le guide de positionnement (20) au-dessus du ressort vers l'extérieur du socle, ladite pièce de butée (25) étant traversée par une tête cylindrique (17C) de la sonde qui est porteuse d'une empreinte de vissage (27) à une extrémité et qui est entourée par le ressort (21), l'autre extrémité de sonde formant une pointe (17A) conductrice de connexion d'âme et étant en saillie hors du coulisseau (23) dans le conduit (4), lorsque la sonde est en place dans son guide de positionnement (20).5 / tapping connector according to claims 1 to 4 characterized in that it comprises a probe (17) capable of being screwed into a slide (23) movable in translation in a slide formed at the bottom of the positioning guide, said slide being pressed by a spring (21) towards the bottom of the slide, this spring bearing on the one hand on the slide (23) on the other hand against a tubular stop (25), immobilized in the positioning guide (20) at above the spring towards the outside of the base, said abutment part (25) being traversed by a cylindrical head (17C) of the probe which carries a screwing impression (27) at one end and which is surrounded by the spring (21), the other end of the probe forming a conductive point (17A) for connecting the core and projecting from the slide (23) in the conduit (4), when the probe is in place in its guide positioning (20). 6/ Connecteur de piquage selon la revendication 5, caractérisé en ce que la pointe (17A) de la sonde est électriquement en contact avec l'embout de raccordement externe (7) correspondant par l'intermé­diaire du coulisseau (23) et d'un élément conducteur (28) formé par une tresse souple connectée à l'embout et au coulisseau.6 / tapping connector according to claim 5, characterized in that the tip (17A) of the probe is electrically in contact with the corresponding external connection piece (7) by means of the slide (23) and a conductive element (28) formed by a flexible braid connected to the end piece and to the slide. 7/ Connecteur de piquage, selon au moins l'une des revendications précédentes, caractérisé en ce qu'une prise coaxiale mâle ou femelle est accolée au socle contre lequel elle est fixée, les embouts (6′, 7′) dudit connecteur étant électriquement et respectivement les uns raccordés au conducteur cylindrique externe (35′) de la prise, l'autre à la pièce de connexion centrale (33′).7 / branch connector, according to at least one of the preceding claims, characterized in that a male or female coaxial socket is attached to the base against which it is fixed, the end pieces (6 ′, 7 ′) of said connector being electrically and respectively one connected to the external cylindrical conductor (35 ′) of the socket, the other to the central connection piece ( 33 ′).
EP88114599A 1987-09-11 1988-09-07 Coaxial cable-tapping connector Expired - Lifetime EP0306913B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8712605A FR2620576B1 (en) 1987-09-11 1987-09-11 PIPE CONNECTOR FOR COAXIAL CABLE
FR8712605 1987-09-11

Publications (2)

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EP0306913A1 true EP0306913A1 (en) 1989-03-15
EP0306913B1 EP0306913B1 (en) 1993-03-17

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Application Number Title Priority Date Filing Date
EP88114599A Expired - Lifetime EP0306913B1 (en) 1987-09-11 1988-09-07 Coaxial cable-tapping connector

Country Status (7)

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

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US5660565A (en) * 1995-02-10 1997-08-26 Williams; M. Deborah Coaxial cable connector
FR2747514B1 (en) * 1996-04-15 1998-06-12 Trt Telecom Radio Electr DEVICE FOR ON-SITE MOUNTING OF A CONNECTOR ON A COAXIAL CABLE
DE19813606A1 (en) * 1998-03-27 1999-10-07 Tecnolumen Gmbh & Co Kg Electrical plug-in coupling for connecting multi-wire lines, such as for coupling LV lamp to current rail
DE19957545C2 (en) * 1999-11-30 2001-12-13 Daetwyler Ag Kabel & Systeme A Connector
DE102006003752A1 (en) * 2006-01-25 2007-09-20 Mc Technology Gmbh clutch
JP2008159306A (en) * 2006-12-21 2008-07-10 Nec Corp Compression-type connector
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

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FR2600217A1 (en) * 1986-06-12 1987-12-18 Alsthom Cgee Coaxial-cable tap-off connector and corresponding substitution closure device

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US4691976A (en) * 1986-02-19 1987-09-08 Lrc Electronics, Inc. Coaxial cable tap connector
FR2600217A1 (en) * 1986-06-12 1987-12-18 Alsthom Cgee Coaxial-cable tap-off connector and corresponding substitution closure device

Also Published As

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

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