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EP1018191A1 - Low voltage plug adapter with organising rear bonnet - Google Patents

Low voltage plug adapter with organising rear bonnet

Info

Publication number
EP1018191A1
EP1018191A1 EP98944021A EP98944021A EP1018191A1 EP 1018191 A1 EP1018191 A1 EP 1018191A1 EP 98944021 A EP98944021 A EP 98944021A EP 98944021 A EP98944021 A EP 98944021A EP 1018191 A1 EP1018191 A1 EP 1018191A1
Authority
EP
European Patent Office
Prior art keywords
cap
wires
base
low current
socket
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
EP98944021A
Other languages
German (de)
French (fr)
Other versions
EP1018191B1 (en
Inventor
Jacques Nozick
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.)
INFRA and
Infra SA
Original Assignee
INFRA and
Infra SA
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 INFRA and, Infra SA filed Critical INFRA and
Publication of EP1018191A1 publication Critical patent/EP1018191A1/en
Application granted granted Critical
Publication of EP1018191B1 publication Critical patent/EP1018191B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
    • H01R4/2425—Flat plates, e.g. multi-layered flat plates
    • H01R4/2429—Flat plates, e.g. multi-layered flat plates mounted in an insulating base
    • H01R4/2433—Flat plates, e.g. multi-layered flat plates mounted in an insulating base one part of the base being movable to push the cable into the slot
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
    • H01R13/6589—Shielding material individually surrounding or interposed between mutually spaced contacts with wires separated by conductive housing parts

Definitions

  • the present invention relates to a weak socket intended for use in data processing or in telephony.
  • Such sockets for example of the RJ45 type, generally comprise a socket base provided with a plug-in housing in which there are several contact pins, usually eight. It is therefore possible, using a plug, to connect to these contact pins.
  • the plug-in housing is of course located on the front of the socket.
  • a connection cable generally connects to insulation displacement contacts which are of course oriented perpendicular to the conductive wires to be cut.
  • these devices for the connection of the conductor wires of the connection cable, there are devices for storing, organizing and fixing these wires on the insulation-displacement contacts of the socket base.
  • these devices are in the form of a cap which can be attached to the socket base.
  • a typical example of an organizing cap is in the form of a comb through which the conducting wires of the connection cable are passed.
  • the comb consists of an alignment of wire passage channels arranged one next to the other. Consequently, it is relatively difficult and laborious to thread the threads into their respective grommet channel, since it is practically compulsory to thread all of the threads in the same operation.
  • the conducting wires must therefore be placed next to each other in an aligned manner in a very precise order distinguished by different colors of wires.
  • the organizing cap is attached laterally to the insulation displacement contacts of the socket base by exerting a pressure force on the cap so as to engage the wires in the respective insulation displacement contacts.
  • the organizer cap has reached its maximum insertion position, it is ensured that the sheaths of the conductive wires are all incised to the core of the son by the insulation displacement contacts. Simultaneous wiring of the conducting wires is thus carried out.
  • the socket base has two rows of four insulation displacement contacts that point upward when the socket is positioned as it should be installed in a wall.
  • the two rows of contacts are offset vertically and horizontally, one with respect to the other, so that they are arranged in steps.
  • the cap also defines two rows of guide holes for the eight wires of the cable to be connected.
  • the two rows of four holes open offset so that the wires can be inserted into the insulation-displacement contacts of the socket base.
  • the cap is attached laterally to the base, that is to say perpendicular to the direction of insertion of the socket. It follows therefore the aforementioned problem of tearing linked to a traction on the wire since the wires extend in a substantially straight line in the socket.
  • the object of the present invention is to remedy the aforementioned drawbacks of the prior art by defining a weak current socket with an organizing cap for which the fitting of the various conducting wires is simpler and the connection which the organizing cap makes is more solid. in that a traction exerted on the cable does not affect the level of the cores of the wires engaged in the insulation displacement contacts.
  • the present invention provides a weak socket comprising: a socket base provided with contact pins on which a plug can be connected by bringing it in a given direction of insertion, and an organizable cap that can be attached to the socket base, said cap, when fixed on the base, making electrical contact between the conductive wires of a connection cable and the contact pins of the base, the cap comprising wire guides allowing repetitive spatial positioning separate wires to put them in electrical connection with the contact pins when fixing the cap on the base, characterized in that the cap can be attached from the rear to the socket base in said direction of insertion.
  • the cable is brought to the base of taken in the same direction as the insulation displacement contacts, which involves bending or changing the direction of the wires in the organizer cap to bring them perpendicular to the insulation displacement contacts
  • each wire guide is provided for guiding a pair of wires, said guides being arranged in a geometric polygonal configuration.
  • said pair of wire guides are four in number for a conventional cable comprising four pairs of wires, and are arranged in a rectangular configuration.
  • each guide of pair of wires comprises a guide conduit common to the pair of wires and two blocking channels for the respective wires of the pair.
  • the common guide conduits may extend substantially in said insertion direction and the blocking channels may extend substantially perpendicular to said insertion direction.
  • the common guide duct and the two blocking channels form an angle so as to form an edge on which the respective wire forms a fold of blocking.
  • the conductive wires can first be pulled all the way through the common guide conduit and then folded down in their respective blocking channels which forms the blocking fold at the location of the edge which forms the transition between the common guide duct and the respective blocking channel.
  • This blocking fold ensures on the one hand that the wires are pulled all the way through the organizing cap so that the shielding of the connection cable or of the pairs of individual wires extends as close as possible to the organizing cap, and on the other hand, the final immobilization of the conductive wires in the organizer cap.
  • the locking ply therefore performs a dual function.
  • connection cable since the electrical contact with the insulation displacement contacts is made at the level of the section of the wires engaged in the blocking channels, traction on the connection cable no longer affects the insulation displacement contacts but at the level of the fold. blocking device which forms a stop for the folded wire.
  • the bending of wires before connection also makes it possible to be able to bring the cap back to the base from the rear and not laterally, which is easier.
  • the blocking channels are provided with retention means such as lugs to keep the wires blocked in their respective channel.
  • retention means such as lugs to keep the wires blocked in their respective channel.
  • the edge on which the blocking fold is formed allows a blocking of the wires, but the retention means, for example in the form of a lug, ensure the final immobilization of the conducting wires in the channels, so that a traction exerted on the cable cannot cause the conductive wires to be disengaged from their respective channels.
  • the common guide conduits are open laterally to allow a lateral introduction of the pairs of wires. Consequently, it is no longer necessary to thread the pairs of wires into the respective pair guides, but simply to engage them laterally, which greatly facilitates the introduction of the pairs into the guides.
  • the pair of son guides are in the form of a notch formed in the organizing cap which opens at its lower end in the two respective locking channels. The operator responsible for the wiring then only needs to organize the four pairs of wires in space in four diverging directions ec to bring the end of the cable thus arranged on the organizing cap and then to fold the four pairs of wires one by one in the guides open laterally. Then, the operator only has to fold back the conducting wires by pulling them into the respective blocking channels. The last operation consists simply in attaching the organizing cap to the rear of the socket base and pushing it in until the wires are engaged in the insulation displacement contacts.
  • the wire guides are electronically isolated from each other by a cross-shaped screen device which extends beyond the electrical contact of the wires with the socket base.
  • This characteristic is particularly advantageous with the use of connection cables in which each pair of wires is shielded by a metal screen.
  • the electromagnetic screens separating the different guides allow perfect insulation guide to guide by extending the insulation produced by the pair screens.
  • This operation is particularly simple with the organizer cap according to the invention because it is possible to strongly pull the wires through the common guide duct and then fold them over the edges in their respective blocking channels.
  • the base is provided with insulation displacement contacts electrically connected to the contact pins, each blocking channel is formed with a through housing allowing the insertion of the insulation displacement contacts transversely to the wires blocked in their respective channel.
  • the fact that the electrical contact is made at the wire sections located in the blocking channels ensures a certain independence with respect to the connection cable, in the sense that traction on the cable is exerted only at the level of the locking fold and not at the insulation displacement contacts.
  • the cap is provided with a drain wire guide allowing the drain wire to be grounded when the cap is attached to the base.
  • the drain wire guide allows, in the same operation for fixing the cap on the base, to bring the drain wire into contact with a metallic or metallized part forming a mass.
  • FIG. 1 is an exploded perspective representation of a weak current socket according to an embodiment of the present invention
  • FIG. 2 is a view of the weak current socket from FIG. 1 to assembled state
  • FIG. 3 is an exploded representation in cross section of the weak socket in the figures
  • - Figure 4 is a cross-sectional view of the socket of Figure 3 in the assembled state
  • Figure 5 is an exploded view in cross section of a low current socket according to another embodiment
  • - Figure 6 is a cross-sectional view of the low power outlet of Figure 5 of the assembled state
  • Figure 7 is a top view of the low power outlet of Figures 5 and 6.
  • the weak socket essentially comprises two component parts, namely a socket base 2 and a rear organizer cap 1.
  • the two parts 1 and 2 can be made of a molded plastic material.
  • the front face of the base 2 is facing downwards and includes a plug-in housing in which are arranged contact pins 25, like those of Figures 5 and 6 on which one can connect a plug in a given insertion direction.
  • a plug-in housing in which are arranged contact pins 25, like those of Figures 5 and 6 on which one can connect a plug in a given insertion direction.
  • Each contact pin 25 is electrically connected to a respective insulation displacement contact 21 as can be seen in Figures 3 and 4.
  • the insulation displacement contacts 21 are accessible from the rear side of the base 2 when the rear cap 1 is removed and extend in the direction of insertion.
  • the rear face of the base 2 is oriented upwards.
  • An object of the rear organizer cap 1 is to engage individual conducting wires of a connection cable 3 in the respective insulation displacement contacts 21 of the socket base 2.
  • the base socket 2 is provided with a screen element 24 in the form of a cross which divides the socket base 2 into four compartments which are perfectly electromagnetically isolated from each other.
  • the screen 24 can be made of a metal such as Zamac.
  • Each compartment delimited by the screen 24 contains two insulation displacement contacts 21.
  • it has been chosen to describe an eight-pin socket base, thus comprising eight insulation displacement contacts 21, but it is also possible to provide sockets for low current with more or less than eight contact pins.
  • the number of self-stripping contact pins should not be considered as limiting the invention.
  • the socket base 2 which has just been described is common to the two embodiments shown in the figures with the exception of the screen 24.
  • the organizer cap 1 can be attached from the rear to the socket base 2, for example by snap-fastening.
  • the screen 24 is provided with snap-on lugs 240 which make it possible to definitively fix the rear cap 1 on the socket base 2.
  • a retaining ring 25 can be provided which snaps onto the screen 24 by pressing on the cap 1.
  • the rear organizer cap 1 has a cross section somewhat smaller than that of the socket base 2 so that the cap can be inserted inside the base 2.
  • the organizer cap 1 is formed with a central insertion passage 16 allowing the passage of the upper cross-shaped part of the screen 24.
  • the snap lugs 240 of the screen 24 bear on the upper face 10 of the cap 1 at the ends of the cross-shaped passage 16. A final fixing is thus obtained.
  • the organizer cap 1 is provided with four guides of pairs of wires 11 arranged relative to each other so as to form a rectangle.
  • each guide 11 corresponds to a compartment of the base 2 delimited by the screen 24.
  • each pair of wire guides 11 has an elongated section allowing the insertion of a pair of wires arranged side by side. side.
  • the visible parts of the guides 11 from the face 10 of the cap 1 constitute a common guide conduit 11 allowing the passage of a pair of wires 31, 32.
  • the common guide conduit 11 passes through the cap 1 right through starting from the surface 10. It is therefore possible to pass the pairs of wires 31, 32 separately through the cap 1 by engaging them respectively in their respective guide duct 11.
  • each pair of wires 31, 32 is individually insulated by a screen 33, it is possible to pull the wires on the other side of the cap 1 so as to penetrate at least partially the shielding screen 33 of the individual pairs inside the common guide conduits 11. Since the socket base 2 is provided with an insulating screen 24, there is no insulation discontinuity between the cable 3 and the socket according to the invention. As is clearly visible in FIG. 4, the shielding screen 30 of the cable 3 is pulled up to contact with the upper part of the screen 24 while the pair shielding screens 33 penetrate into the guide conduits. 11. It is then possible to fold the conductive wires individually so as to engage them individually in blocking channels 12 which extend substantially perpendicularly to the guide conduits 11 and which are open along their length behind the cap, as can be seen in Figure 1.
  • each guide duct 11 therefore opens laterally on two locking channels 12.
  • four locking channels 12 open laterally on either side of the cap 1.
  • the cap 1 forms at the entrance to the blocking channels 12 a projecting edge 13. Consequently, when the operator folds back the sons individual in the blocking channels 12, these will be forced to form a blocking fold at the edge 13.
  • This blocking fold on the conductive wires has several advantages. Indeed, first of all this fold makes it possible to definitively fix the position of the cable 3 relative to the cap 1. In addition, this blocking fold makes it possible to bring the wires perpendicular to the insulation displacement contacts 21.
  • this fold of blocking allows the part of the wire engaged in the channels 12 to be left substantially unstressed during a pulling on the cable 3.
  • the wires are locked inside, which definitively and unchangingly fixes the position of the cable 3 relative to the cap 1 even before it is fixed to the base 2.
  • retention means for example in the form of retention lugs 120 which define a passage section slightly smaller than the section of the conductive wires. so that once forcibly engaged inside the blocking channels 12 the conductive wires can no longer be released. It is thus definitively ensured that the blocking fold formed on the edge 13 is fixed in position.
  • through-insertion housings 14 which are arranged corresponding to the geometry of the insulation displacement contacts 21 .
  • FIG. 7 there is shown a low power outlet according to a second embodiment of the invention.
  • the variant incorporated in this second embodiment resides in the design of the organizer cap 1 while the base 2 is perfectly identical except that it does not have an insulating screen 24 compartmentalizing the base 2 into four electromagnetically isolated spaces .
  • the peculiarity incorporated by the organizer cap 1 of FIG. 7 resides in the fact that the common guide conduits 11 are open laterally so that it is possible to engage the pairs of wires laterally in the conduits 11. While it is necessary to introduce the wires laterally inside the conduits 11 from the face 10 of the cap 1, with the cap 1 of FIG. 7, they can be engaged more simply by lateral introduction.
  • this type of cap 1 is provided with a drain wire guide 15 allowing the drain wire to be grounded when the cap 1 is fixed on the base 2. Thanks to the organizer cap 1 according to the invention, it is possible to divide the cable 3 by pair and then to carry out the positions of the pairs of wires one after the other, so that the wiring operation is much simpler . It should also be noted that the fitting of the cap on the base is carried out from the rear, which implies a bending of blocking of the tensile-resistant wires. In addition, the screen 24 makes it possible to isolate the pairs of wires beyond the insulation displacement contacts, which ensures a shielding continuity between pairs even in the event of the screen sheath of the pairs disappearing at the level of the conduit.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Multi-Conductor Connections (AREA)

Abstract

The invention concerns a low voltage plug adapter comprising: a contact base (2) provided with contact pins (2) whereon can be connected a plug brought along a given plug-in direction; and an organising bonnet (1) that can be directly mounted on the contact base (2), said bonnet (1), when it is being fixed, producing electrical contact between the conductor wires (31, 32) of a connecting cable (3) and the base (2) contact pins (25), the bonnet (1) comprising wire guides (11, 12) for repetitive spatial positioning of the wires (31, 32) separately for placing them in electrical connection with the contact pins (25) when the bonnet (1) is fixed on the base (2). The invention is characterised in that the bonnet (1) can be directly mounted from the rear on the contact base (2) along said plug-in direction.

Description

Prise de courant faible à capuchon arrière organisateur Low power outlet with rear organizer cap

La présente invention concerne une prise de courant faible destinée à être utilisée en informatique ou en téléphonie. De telles prises, par exemple du type RJ45, comprennent en général une base de prise pourvue d'un logement d'enfichage dans lequel se trouvent plusieurs broches de contact, habituellement huit. Il est donc possible à l'aide d'une fiche de venir se connecter sur ces broches de contact. Le logement d'enfichage est bien entendu situé sur l'avant de la prise. Sur son côté arrière, un câble de raccordement se connecte en général sur des contacts autodénudants qui sont bien entendu orientés perpendiculairement aux fils conducteurs à inciser.The present invention relates to a weak socket intended for use in data processing or in telephony. Such sockets, for example of the RJ45 type, generally comprise a socket base provided with a plug-in housing in which there are several contact pins, usually eight. It is therefore possible, using a plug, to connect to these contact pins. The plug-in housing is of course located on the front of the socket. On its rear side, a connection cable generally connects to insulation displacement contacts which are of course oriented perpendicular to the conductive wires to be cut.

Pour la connexion des fils conducteurs du câble de raccordement, il existe des dispositifs pour ranger, organiser et fixer ces fils sur les contacts autodénudants de la base de prise. En général, ces dispositifs se présentent sous la forme d'un capuchon que l'on peut rapporter sur la base de prise. Un exemple typique de capuchon organisateur se présente sous la forme d'un peigne dans lequel on fait passer les fils conducteurs du câble de raccordement. Le peigne consiste en un alignement de canaux passe- fils disposés les uns à côté des autres. Par conséquent, il est relativement difficile et laborieux d'enfiler les fils dans leur canal passe-fils respectif, du fait qu'il est pratiquement obligatoire d'enfiler la totalité des fils dans une même opération. Les fils conducteurs doivent par conséquent être disposés les uns à côté des autres de manière alignée dans un ordre bien précis distingué par des couleurs de fils différentes. L'opérateur chargé de raccorder le câble de raccordement sur la prise concernée doit donc effectuer ce travail laborieux de positionnement avant de pouvoir insérer les fils dans le capuchon organisateur. Une fois cette opération compliquée effectuée, le capuchon organisateur est rapporté latéralement sur les contacts autodénudants de la base de prise en exerçant une force de pression sur le capuchon de manière à engager les fils dans les contacts autodénudants respectifs. Lorsque le capuchon organisateur a atteint sa position d'enfoncement maximum, il est assuré que les gaines des fils conducteurs sont toutes incisées jusqu'à l'âme du fils par les contacts autodénudants. Un câblage simultané des fils conducteurs est ainsi réalisé.For the connection of the conductor wires of the connection cable, there are devices for storing, organizing and fixing these wires on the insulation-displacement contacts of the socket base. In general, these devices are in the form of a cap which can be attached to the socket base. A typical example of an organizing cap is in the form of a comb through which the conducting wires of the connection cable are passed. The comb consists of an alignment of wire passage channels arranged one next to the other. Consequently, it is relatively difficult and laborious to thread the threads into their respective grommet channel, since it is practically compulsory to thread all of the threads in the same operation. The conducting wires must therefore be placed next to each other in an aligned manner in a very precise order distinguished by different colors of wires. The operator responsible for connecting the connection cable on the outlet concerned must therefore perform this laborious positioning work before being able to insert the wires into the organizer cap. Once this complicated operation has been carried out, the organizing cap is attached laterally to the insulation displacement contacts of the socket base by exerting a pressure force on the cap so as to engage the wires in the respective insulation displacement contacts. When the organizer cap has reached its maximum insertion position, it is ensured that the sheaths of the conductive wires are all incised to the core of the son by the insulation displacement contacts. Simultaneous wiring of the conducting wires is thus carried out.

Comme susmentionné, l'utilisation de tels capuchons organisateurs est relativement laborieuse du fait de la difficulté rencontrée à faire passer tous les fils conducteurs dans les canaux passe-fils respectifs. De plus, il est à noter que la configuration de ces capuchons organisateurs sous forme de peigne à canaux passe-fils parallèlement alignés engendre le fait qu'une traction sur le câble de raccordement ou sur la prise s'exerce directement au niveau des âmes des fils conducteurs coincés dans les contacts autodénudants. Il s'ensuit qu'une forte traction sur le câble ou la prise a pour effet de faire glisser les âmes de fils dans les contacts autodénudants, ou même de sectionner simplement les fils conducteurs .As mentioned above, the use of such organizer caps is relatively laborious due to the difficulty encountered in passing all the conductive wires through the respective son-pass channels. In addition, it should be noted that the configuration of these organizing caps in the form of a comb with parallel-aligned grommet channels causes the fact that a pull on the connection cable or on the plug is exerted directly at the cores of the conductor wires stuck in the insulation displacement contacts. It follows that a strong pull on the cable or the plug has the effect of sliding the cores of wires in the insulation displacement contacts, or even of simply cutting the conductive wires.

Ce problème peut notamment se rencontrer dans la prise du document EP-0 735 612 qui comprend de manière classique une base de prise et un capuchon organisateur. La base de prise est dotée de deux rangées de quatre contacts autodénudants qui pointent vers le haut, lorsque la prise est positionnée telle qu'elle doit être installée dans un mur. Les deux rangées de contacts sont décalées verticalement et horizontalement l'une par rapport à l'autre, de sorte qu'elles sont disposées en gradin. D'autre part, le capuchon définit également deux rangées de trous de guidage pour les huit fils du câble à connecter. Les deux rangées de quatre trous débouchent de manière décalée pour pouvoir insérer les fils dans les contacts autodénudants de la base de prise. Dans cette prise, tout comme dans les prises classiques de l'art antérieur, le capuchon est rapporté latéralement sur la base, c'est-à-dire perpendiculairement à la direction d'enfichage de la prise. Il s'ensuit par conséquent le problème susmentionné d'arrachage lié à une traction sur le fil puisque les fils s'étendent de manière sensiblement rectiligne dans la prise.This problem can in particular be encountered in the handling of document EP-0 735 612 which conventionally comprises a gripping base and an organizing cap. The socket base has two rows of four insulation displacement contacts that point upward when the socket is positioned as it should be installed in a wall. The two rows of contacts are offset vertically and horizontally, one with respect to the other, so that they are arranged in steps. On the other hand, the cap also defines two rows of guide holes for the eight wires of the cable to be connected. The two rows of four holes open offset so that the wires can be inserted into the insulation-displacement contacts of the socket base. In this socket, as in the conventional sockets of the prior art, the cap is attached laterally to the base, that is to say perpendicular to the direction of insertion of the socket. It follows therefore the aforementioned problem of tearing linked to a traction on the wire since the wires extend in a substantially straight line in the socket.

La présente invention a pour but de remédier aux inconvénients précités de l'art antérieur en définissant une prise de courant faible à capuchon organisateur pour lequel la mise en place des différents fils conducteurs est plus simple et la connexion que réalise le capuchon organisateur est plus solide en ce sens qu'une traction exercée sur le câble ne se répercute pas au niveau des âmes des fils engagés dans les contacts autodénudants.The object of the present invention is to remedy the aforementioned drawbacks of the prior art by defining a weak current socket with an organizing cap for which the fitting of the various conducting wires is simpler and the connection which the organizing cap makes is more solid. in that a traction exerted on the cable does not affect the level of the cores of the wires engaged in the insulation displacement contacts.

Pour cela, la présente invention propose une prise de courant faible comportant : une base de prise pourvue de broches de contact sur lesquelles on peut venir connecter une fiche en l'amenant selon une direction d'enfichage donnée, et un capuchon organisateur rapportable sur la base de prise, ledit capuchon, lors de sa fixation sur la base, réalisant le contact électrique entre les fils conducteurs d'un câble de raccordement et les broches de contact de la base, le capuchon comprenant des guides de fils permettant un positionnement spatial répétitif des fils de manière séparée pour les mettre en liaison électrique avec les broches de contact lors de la fixation du capuchon sur la base, caractérisée en ce que le capuchon est rapportable par l'arrière sur la base de prise selon ladite direction d ' enfichage.For this, the present invention provides a weak socket comprising: a socket base provided with contact pins on which a plug can be connected by bringing it in a given direction of insertion, and an organizable cap that can be attached to the socket base, said cap, when fixed on the base, making electrical contact between the conductive wires of a connection cable and the contact pins of the base, the cap comprising wire guides allowing repetitive spatial positioning separate wires to put them in electrical connection with the contact pins when fixing the cap on the base, characterized in that the cap can be attached from the rear to the socket base in said direction of insertion.

Contrairement aux prises de l'art antérieur où le câble qui vient toujours de l'arrière de la prise est rapporté latéralement sur la base de prise à 1 ' aide du capuchon organisateur, dans la présente invention, le câble est amené sur la base de prise dans la même direction que les contacts autodénudants, ce qui implique un pliage ou un changement de direction des fils dans le capuchon organisateur pour les amener perpendiculairement aux contacts autodénudantsUnlike the sockets of the prior art where the cable which always comes from the rear of the socket is attached laterally to the socket base using the organizer cap, in the present invention, the cable is brought to the base of taken in the same direction as the insulation displacement contacts, which involves bending or changing the direction of the wires in the organizer cap to bring them perpendicular to the insulation displacement contacts

Avantageusement, chaque guide de fils est prévu pour le guidage d'une paire de fils, lesdits guides étant disposés selon une configuration géométrique polygonale. Ainsi, avec le capuchon organisateur selon l'invention, les différents fils conducteurs sont mis en place par paire dans le capuchon organisateur, ce qui facilite grandement l'opération. En général, lesdits guides de paire de fils sont au nombre de quatre pour un câble classique comprenant quatre paires de fils, et sont disposés selon une configuration rectangulaire. Ainsi, les différentes paires du fils conducteur sont séparées dans 1 ' espace. Selon une caractéristique intéressante, chaque guide de paire de fils comprend un conduit de guidage commun à la paire de fils et deux canaux de blocage pour les fils respectifs de la paire. Dans ce cas, les conduits de guidage commun peuvent s'étendre sensiblement dans ladite direction d'enfichage et les canaux de blocage peuvent s'étendre sensiblement perpendiculairement à ladite direction d'enfichage.Advantageously, each wire guide is provided for guiding a pair of wires, said guides being arranged in a geometric polygonal configuration. Thus, with the organizing cap according to the invention, the various conducting wires are placed in pairs in the organizing cap, which greatly facilitates the operation. In general, said pair of wire guides are four in number for a conventional cable comprising four pairs of wires, and are arranged in a rectangular configuration. Thus, the different pairs of the conducting wire are separated in space. According to an advantageous characteristic, each guide of pair of wires comprises a guide conduit common to the pair of wires and two blocking channels for the respective wires of the pair. In this case, the common guide conduits may extend substantially in said insertion direction and the blocking channels may extend substantially perpendicular to said insertion direction.

De ce fait, le conduit de guidage commun et les deux canaux de blocage font un angle de manière à former une arête sur laquelle le fil respectif forme un pli de blocage. Ainsi, les fils conducteurs peuvent d'abord être tirés à fond à travers le conduit de guidage commun puis ensuite rabattus dans leurs canaux de blocage respectifs ce qui forme le pli de blocage à l'endroit de l'arête qui forme la transition entre le conduit de guidage commun et le canal de blocage respectif. Ce pli de blocage assure d'une part que les fils sont tirés à fond à travers le capuchon organisateur de sorte que le blindage du câble de raccordement ou des paires de fils individuelles s'étend le plus proche possible du capuchon organisateur, et d'autre part l'immobilisation définitive des fils conducteurs dans le capuchon organisateur. Le pli de blocage assure donc une double fonction. En outre, étant donné que le contact électrique avec les contacts autodénudants est réalisé au niveau de la section des fils engagés dans les canaux de blocage, une traction sur le câble de raccordement ne se répercute plus au niveau des contacts autodénudants mais au niveau du pli de blocage qui forme d'un arrêt pour le fil replié. Le pliage de fils avant connexion permet également de pouvoir rapporter le capuchon sur la base par l'arrière et non latéralement, ce qui est plus aisé.Therefore, the common guide duct and the two blocking channels form an angle so as to form an edge on which the respective wire forms a fold of blocking. Thus, the conductive wires can first be pulled all the way through the common guide conduit and then folded down in their respective blocking channels which forms the blocking fold at the location of the edge which forms the transition between the common guide duct and the respective blocking channel. This blocking fold ensures on the one hand that the wires are pulled all the way through the organizing cap so that the shielding of the connection cable or of the pairs of individual wires extends as close as possible to the organizing cap, and on the other hand, the final immobilization of the conductive wires in the organizer cap. The locking ply therefore performs a dual function. In addition, since the electrical contact with the insulation displacement contacts is made at the level of the section of the wires engaged in the blocking channels, traction on the connection cable no longer affects the insulation displacement contacts but at the level of the fold. blocking device which forms a stop for the folded wire. The bending of wires before connection also makes it possible to be able to bring the cap back to the base from the rear and not laterally, which is easier.

D'autre part, afin de réaliser un blocage définitif des fils dans les canaux respectifs, les canaux de blocage sont pourvus de moyens de rétention tel que des ergots pour maintenir les fils bloqués dans leur canal respectif. L'arête sur laquelle le pli de blocage est formé permet delà un blocage des fils, mais les moyens de rétention, par exemple sous la forme d'ergot, assurent l'immobilisation définitive des fils conducteurs dans les canaux, de sorte qu'une traction exercée sur le câble ne peut pas engendrer un dégagement des fils conducteurs hors de leurs canaux respectifs.On the other hand, in order to achieve permanent blocking of the wires in the respective channels, the blocking channels are provided with retention means such as lugs to keep the wires blocked in their respective channel. The edge on which the blocking fold is formed allows a blocking of the wires, but the retention means, for example in the form of a lug, ensure the final immobilization of the conducting wires in the channels, so that a traction exerted on the cable cannot cause the conductive wires to be disengaged from their respective channels.

Selon un mode de réalisation pratique, les conduits de guidage communs sont ouverts latéralement pour permettre une introduction latérale des paires de fils. Par conséquent, il n'est plus nécessaire d'enfiler les paires de fils dans les guides de paire respectifs, mais simplement de les engager latéralement ce qui facilite grandement l'introduction des paires dans les guides. Dans ce cas, les guides de paire de fils se présentent sous la forme d'une échancrure réalisée dans le capuchon organisateur qui débouche au niveau de son extrémité inférieure dans les deux canaux de blocage respectifs. L'opérateur chargé du câblage n'a alors plus besoin que d'organiser les quatre paires de fils dans l'espace dans quatre directions divergentes ec d'amener le bout de câble ainsi arrangé sur le capuchon organisateur puis de rabattre les quatre paires de fils une à une dans les guides ouverts latéralement. Ensuite, l'opérateur n'a plus qu'à replier les fils conducteurs en les tirant dans les canaux de blocage respectifs. La dernière opération consiste simplement à rapporter le capuchon organisateur sur l'arrière de la base de prise et de l'enfoncer jusqu'à l'engagement des fils conducteurs dans les contacts autodénudants .According to a practical embodiment, the common guide conduits are open laterally to allow a lateral introduction of the pairs of wires. Consequently, it is no longer necessary to thread the pairs of wires into the respective pair guides, but simply to engage them laterally, which greatly facilitates the introduction of the pairs into the guides. In this case, the pair of son guides are in the form of a notch formed in the organizing cap which opens at its lower end in the two respective locking channels. The operator responsible for the wiring then only needs to organize the four pairs of wires in space in four diverging directions ec to bring the end of the cable thus arranged on the organizing cap and then to fold the four pairs of wires one by one in the guides open laterally. Then, the operator only has to fold back the conducting wires by pulling them into the respective blocking channels. The last operation consists simply in attaching the organizing cap to the rear of the socket base and pushing it in until the wires are engaged in the insulation displacement contacts.

Selon une autre caractéristique, les guides de fils sont isolés électroniquement les uns aux autres par un dispositif d'écrantage en forme de croix qui s'étend au- delà du contact électrique des fils avec la base de prise. Cette caractéristique est particulièrement avantageuse avec l'utilisation de câbles de raccordement dans lesquels chaque paire de fils est blindée par un écran métallique. Ainsi, les écrans électromagnétiques séparant les différents guides permettent une isolation parfaite guide à guide en prolongeant l'isolation réalisée par les écrans de paires. Dans ce cas, il est particulièrement conseillé de tirer les paires de câbles écrantées au maximum à 1 ' intérieur des guides de paires de manière à ne créer aucune discontinuité d'isolation. Cette opération est particulièrement simple avec le capuchon organisateur selon l'invention car il est possible de tirer fortement les fils à travers le conduit de guidage commun puis de les replier sur les arêtes dans leurs canaux de blocage respectifs. Les fils sont ainsi parfaitement bloqués dans leur position définitive de sorte que le relâchement des fils conducteurs n'engendrent aucun déplacement de ceux-ci dans le capuchon organisateur. Selon une autre forme de réalisation pratique, la base est pourvue de contacts autodénudants raccordés électriquement aux broches de contact, chaque canal de blocage est formé avec un logement traversant permettant l'insertion des contacts autodénudants transversalement aux fils bloqués dans leur canal respectif. Le fait que le contact électrique est effectué au niveau des sections de fils situés dans les canaux de blocage assure une certaine indépendance par rapport au câble de raccordement, en ce sens qu'une traction sur le câble ne s'exerce qu'au niveau du pli de blocage et non au niveau des contacts autodénudants. Selon un autre aspect de l'invention, le capuchon est pourvu d'un guide de fil de drain permettant de mettre le fil de drain à la masse lors de la fixation du capuchon sur la base. Ainsi, de la même façon que des guides de fils conducteurs, le guide de fil de drain permet dans la même opération de fixation du capuchon sur la base de mettre le fil de drain en contact avec une partie métallique ou métallisée formant masse.According to another characteristic, the wire guides are electronically isolated from each other by a cross-shaped screen device which extends beyond the electrical contact of the wires with the socket base. This characteristic is particularly advantageous with the use of connection cables in which each pair of wires is shielded by a metal screen. Thus, the electromagnetic screens separating the different guides allow perfect insulation guide to guide by extending the insulation produced by the pair screens. In this case, it is particularly advisable to pull the pairs of screened cables to the maximum inside the pair guides so as to create no insulation discontinuity. This operation is particularly simple with the organizer cap according to the invention because it is possible to strongly pull the wires through the common guide duct and then fold them over the edges in their respective blocking channels. The threads are thus perfectly locked in their final position so that the loosening of the conductive threads does not cause any displacement of the latter in the organizer cap. According to another practical embodiment, the base is provided with insulation displacement contacts electrically connected to the contact pins, each blocking channel is formed with a through housing allowing the insertion of the insulation displacement contacts transversely to the wires blocked in their respective channel. The fact that the electrical contact is made at the wire sections located in the blocking channels ensures a certain independence with respect to the connection cable, in the sense that traction on the cable is exerted only at the level of the locking fold and not at the insulation displacement contacts. According to another aspect of the invention, the cap is provided with a drain wire guide allowing the drain wire to be grounded when the cap is attached to the base. Thus, in the same way as conductive wire guides, the drain wire guide allows, in the same operation for fixing the cap on the base, to bring the drain wire into contact with a metallic or metallized part forming a mass.

D'autres caractéristiques et avantages de l'invention ressortiront plus clairement que la description détaillée qui va suivre faite en référant aux dessins joints donnant à titre d'exemple non limitatif plusieurs modes de réalisation de la présente invention. Sur les dessins : la figure 1 est une représentation en perspective éclatée d'une prise de courant faible selon un mode de réalisation de la présente invention, - la figure 2 est une vue de la prise de courant faible de la figure 1 à l'état monté, la figure 3 est une représentation éclatée en coupe transversale de la prise de courant faible des figuresOther characteristics and advantages of the invention will emerge more clearly than the detailed description which follows, made with reference to the accompanying drawings, which give by way of nonlimiting example several embodiments of the present invention. In the drawings: FIG. 1 is an exploded perspective representation of a weak current socket according to an embodiment of the present invention, - FIG. 2 is a view of the weak current socket from FIG. 1 to assembled state, FIG. 3 is an exploded representation in cross section of the weak socket in the figures

1 et 2, - la figure 4 est une vue en coupe transversale de la prise de la figure 3 à l'état monté, la figure 5 est une vue éclatée en section transversale d'une prise de courant faible selon un autre mode de réalisation, - la figure 6 est une vue en coupe transversale de la prise de courant faible de la figure 5 de l'état monté, et la figure 7 est une vue de dessus de la prise de courant faible des figures 5 et 6. On se référera tout d'abord aux figures 1 à 4 pour expliquer un premier mode de réalisation d'une prise de courant faible selon l'invention Comme on peut le voir sur la représentation éclatée de la figure 1, la prise de courant faible comprend essentiellement deux pièces constitutives, à savoir une base de prise 2 et un capuchon arrière organisateur 1. Les deux pièces 1 et 2 peuvent être réalisées en un matériau plastique moulé. Tel que représenté sur les figures 1 et 2 , la face avant de la base 2 est tournée vers le bas et comprend un logement d'enfichage dans lequel sont disposées des broches de contact 25, comme celles des figures 5 et 6 sur lesquelles on peut connecter une fiche selon une direction d'enfichage donnée. En règle général, dans une prise du type RJ45, il y a huit broches de contact 25. Chaque broche de contact 25 est reliée électriquement à un contact autodenudant respectif 21 comme on peut le voir sur des figures 3 et 4. Les contacts autodénudants 21 sont accessibles depuis le côte arrière de la base 2 lorsque le capuchon arrière 1 est retire et s'étendent dans la direction d'enfichage. Sur les figures 1 et 2, la face arrière de la base 2 est orientée vers le haut. Un but du capuchon arrière organisateur 1 est d'engager des fils conducteurs individuels d'un câble de raccordement 3 dans les contacts autodénudants respectifs 21 de la base de prise 2. Dans la forme de réalisation représentée sur les figures 1 à 4, la base de prise 2 est pourvue d'un élément d'écran 24 en forme de croix qui divise la base de prise 2 en quatre compartiments parfaitement isolés électromagnétiquement les uns des autres. Avantageusement, l'écran 24 peut être réalisé en un métal tel que du Zamac . Chaque compartiment délimité par l'écran 24 contient deux contacts autodénudants 21. Dans l'exemple utilisé, on a choisi de décrire une base de prise à huit broches, comportant ainsi huit contacts autodénudants 21, mais il est également possible de prévoir des prises de courant faible avec plus ou moins de huit broches de contact. Le nombre de broches de contact autodenudant ne doit pas être considéré comme limitatif pour l'invention. La base de prise 2 qui vient d'être décrite est commune aux deux modes de réalisation représentés sur les figures à l'exception de l'écran 24.1 and 2, - Figure 4 is a cross-sectional view of the socket of Figure 3 in the assembled state, Figure 5 is an exploded view in cross section of a low current socket according to another embodiment , - Figure 6 is a cross-sectional view of the low power outlet of Figure 5 of the assembled state, and Figure 7 is a top view of the low power outlet of Figures 5 and 6. We first refer to Figures 1 to 4 to explain a first embodiment of a weak socket according to the invention As can be seen in the exploded representation of Figure 1, the weak socket essentially comprises two component parts, namely a socket base 2 and a rear organizer cap 1. The two parts 1 and 2 can be made of a molded plastic material. As shown in Figures 1 and 2, the front face of the base 2 is facing downwards and includes a plug-in housing in which are arranged contact pins 25, like those of Figures 5 and 6 on which one can connect a plug in a given insertion direction. Generally, in an RJ45 type socket, there are eight contact pins 25. Each contact pin 25 is electrically connected to a respective insulation displacement contact 21 as can be seen in Figures 3 and 4. The insulation displacement contacts 21 are accessible from the rear side of the base 2 when the rear cap 1 is removed and extend in the direction of insertion. In FIGS. 1 and 2, the rear face of the base 2 is oriented upwards. An object of the rear organizer cap 1 is to engage individual conducting wires of a connection cable 3 in the respective insulation displacement contacts 21 of the socket base 2. In the embodiment shown in FIGS. 1 to 4, the base socket 2 is provided with a screen element 24 in the form of a cross which divides the socket base 2 into four compartments which are perfectly electromagnetically isolated from each other. Advantageously, the screen 24 can be made of a metal such as Zamac. Each compartment delimited by the screen 24 contains two insulation displacement contacts 21. In the example used, it has been chosen to describe an eight-pin socket base, thus comprising eight insulation displacement contacts 21, but it is also possible to provide sockets for low current with more or less than eight contact pins. The number of self-stripping contact pins should not be considered as limiting the invention. The socket base 2 which has just been described is common to the two embodiments shown in the figures with the exception of the screen 24.

Le capuchon organisateur 1 peut être rapporté de l'arrière sur la base de prise 2, par exemple par encliquetage. A cet effet, l'écran 24 est doté d'ergots d ' encliquetage 240 qui permettent de fixer définitivement le capuchon arrière 1 sur la base de prise 2. Optionnellement , afin d'assurer un maintien parfait et immuable du capuchon organisateur sur la base 2 il peut être prévu un anneau de maintien 25 qui s ' encliquette sur l'écran 24 en prenant appui sur le capuchon 1. Le capuchon arrière organisateur 1 présente une section transversale quelque peu inférieure à celle de la base de prise 2 de telle sorte que le capuchon peut venir s ' insérer à 1 ' intérieur de la base 2. Dans 1 ' exemple des figures 1 à 4 qui met en oeuvre un écran 24, le capuchon organisateur 1 est formé avec un passage d'insertion central 16 permettant le passage de la partie supérieure en forme de croix de l'écran 24. A l'état monté, les ergots d ' encliquetage 240 de l'écran 24 prennent appui sur la face supérieure 10 du capuchon 1 au niveau des extrémités du passage en forme de croix 16. Une fixation définitive est ainsi obtenue.The organizer cap 1 can be attached from the rear to the socket base 2, for example by snap-fastening. For this purpose, the screen 24 is provided with snap-on lugs 240 which make it possible to definitively fix the rear cap 1 on the socket base 2. Optionally, in order to ensure perfect and immutable maintenance of the organizer cap on the base 2 a retaining ring 25 can be provided which snaps onto the screen 24 by pressing on the cap 1. The rear organizer cap 1 has a cross section somewhat smaller than that of the socket base 2 so that the cap can be inserted inside the base 2. In the example of FIGS. 1 to 4 which implements a screen 24, the organizer cap 1 is formed with a central insertion passage 16 allowing the passage of the upper cross-shaped part of the screen 24. In the assembled state, the snap lugs 240 of the screen 24 bear on the upper face 10 of the cap 1 at the ends of the cross-shaped passage 16. A final fixing is thus obtained.

Selon une caractéristique intéressante de l'invention, le capuchon organisateur 1 est pourvu de quatre guides de paires de fils 11 disposés les uns par rapport aux autres de manière à former un rectangle. En effet, chaque guide 11 correspond à un compartiment de la base 2 délimité par l'écran 24. On voit que chaque guide de paire de fils 11 présente une section allongée permettant l'insertion d'une paire de fils disposés côte-à-côte. Les parties visibles des guides 11 à partir de la face 10 du capuchon 1 constituent un conduit de guidage commun 11 permettant le passage d'une paire de fils 31, 32. Le conduit de guidage commun 11 traverse le capuchon 1 de part en part à partir de la surface 10. Il est donc possible de faire passer séparément les paires de fils 31,32 à travers le capuchon 1 en les engageant respectivement dans leur conduit de guidage 11 respectif. Le fait que ces conduits de guidage communs 11 sont disposés selon une configuration géométrique polygonale, dans le cas présent rectangulaire, facilite énormément l'opération d'insertion des fils à travers le capuchon organisateur 1. En effet, alors que dans l'art antérieur il était indispensable de disposer les fils conducteurs dans un même plan de manière parfaitement alignée et ordonnée, il est possible grâce au capuchon organisateur de 1 ' invention de les organiser spacialement par paire puis de les introduire une à une dans leurs conduits de guidage communs respectifs 11. Ainsi, on gagne ainsi beaucoup de temps pour le câblage de la prise. Une fois que les quatre paires de fils 31,32 ont été introduites à travers le capuchon 1 par engagement dans les conduits de guidage communs 11, l'opérateur peut tirer sur les fils pour rapprocher au maximum l'écran de blindage 30 du câble 3 du capuchon 1. Comme représenté sur les figure 3 et 4, si chaque paire de fils 31,32 est individuellement isolée par un écran 33, il est possible de tirer sur les fils de l'autre côté du capuchon 1 de manière à faire pénétrer au moins partiellement l'écran de blindage 33 des paires individuelles à 1 ' intérieur des conduits de guidage communs 11. Du fait que la base de prise 2 est pourvue d'un écran isolant 24, il n'y a aucune discontinuité d'isolation entre le câble 3 et la prise selon l'invention. Comme cela est bien visible sur la figure 4, l'écran de blindage 30 du câble 3 est tiré jusqu'au contact de la partie supérieure de l'écran 24 alors que les écrans de blindage de paire 33 pénètrent jusque dans les conduits de guidage communs 11. Il est ensuite possible de replier individuellement les fils conducteurs de manière à les engager individuellement dans des canaux de blocage 12 qui s'étendent sensiblement perpendiculairement aux conduits de guidage 11 et qui sont ouverts sur leur longueur à l'arrière du capuchon, comme on peut le voir sur la figure 1. Ainsi, chaque conduit de guidage 11 débouche donc latéralement sur deux canaux de blocage 12. On peut comprendre sur la figure 1 que quatre canaux de blocage 12 débouchent latéralement de part et d'autre du capuchon 1. En se référant aux figures 5 et 6 , on voit que le capuchon 1 forme au niveau de 1 ' entrée dans les canaux de blocage 12 une arête saillante 13. Par conséquent, lorsque l'opérateur repliera les fils individuels dans les canaux de blocage 12, ceux-ci seront contraints de former un pli de blocage au niveau de l'arête 13. Ce pli de blocage sur les fils conducteurs présente plusieurs avantages. En effet, tout d'abord ce pli permet de fixer définitivement la position du câble 3 par rapport au capuchon 1. En outre, ce pli de blocage permet de ramener les fils perpendiculairement aux contacts autodénudants 21. D'autre part, ce pli de blocage permet de laisser la partie du fil engagé dans les canaux 12 sensiblement non sollicitée lors d'une traction sur le câble 3. Contrairement au dispositif de l'art antérieur où les fils étaient simplement engagés dans le capuchon organisateur et pouvaient y coulisser librement, avec le capuchon organisateur de l'invention, les fils sont bloqués à l'intérieur, ce qui fixe définitivement et immuablement la position du câble 3 par rapport au capuchon 1 même avant sa fixation sur la base 2.According to an advantageous characteristic of the invention, the organizer cap 1 is provided with four guides of pairs of wires 11 arranged relative to each other so as to form a rectangle. In fact, each guide 11 corresponds to a compartment of the base 2 delimited by the screen 24. It can be seen that each pair of wire guides 11 has an elongated section allowing the insertion of a pair of wires arranged side by side. side. The visible parts of the guides 11 from the face 10 of the cap 1 constitute a common guide conduit 11 allowing the passage of a pair of wires 31, 32. The common guide conduit 11 passes through the cap 1 right through starting from the surface 10. It is therefore possible to pass the pairs of wires 31, 32 separately through the cap 1 by engaging them respectively in their respective guide duct 11. The fact that these common guide conduits 11 are arranged in a polygonal geometric configuration, in this case rectangular, greatly facilitates the operation of inserting the wires through the organizing cap 1. In fact, whereas in the prior art it was essential to arrange the conducting wires in the same plane in a perfectly aligned and orderly manner, it is possible thanks to the organizer cap of the invention to organize them spatially in pairs and then introduce them one by one into their respective common guide conduits 11. Thus, this saves a lot of time for the wiring of the socket. Once the four pairs of wires 31, 32 have been introduced through the cap 1 by engagement in the common guide conduits 11, the operator can pull on the wires to bring the shield screen 30 as close as possible to the cable 3 of the cap 1. As shown in FIGS. 3 and 4, if each pair of wires 31, 32 is individually insulated by a screen 33, it is possible to pull the wires on the other side of the cap 1 so as to penetrate at least partially the shielding screen 33 of the individual pairs inside the common guide conduits 11. Since the socket base 2 is provided with an insulating screen 24, there is no insulation discontinuity between the cable 3 and the socket according to the invention. As is clearly visible in FIG. 4, the shielding screen 30 of the cable 3 is pulled up to contact with the upper part of the screen 24 while the pair shielding screens 33 penetrate into the guide conduits. 11. It is then possible to fold the conductive wires individually so as to engage them individually in blocking channels 12 which extend substantially perpendicularly to the guide conduits 11 and which are open along their length behind the cap, as can be seen in Figure 1. Thus, each guide duct 11 therefore opens laterally on two locking channels 12. It can be understood in Figure 1 that four locking channels 12 open laterally on either side of the cap 1. With reference to FIGS. 5 and 6, it can be seen that the cap 1 forms at the entrance to the blocking channels 12 a projecting edge 13. Consequently, when the operator folds back the sons individual in the blocking channels 12, these will be forced to form a blocking fold at the edge 13. This blocking fold on the conductive wires has several advantages. Indeed, first of all this fold makes it possible to definitively fix the position of the cable 3 relative to the cap 1. In addition, this blocking fold makes it possible to bring the wires perpendicular to the insulation displacement contacts 21. On the other hand, this fold of blocking allows the part of the wire engaged in the channels 12 to be left substantially unstressed during a pulling on the cable 3. Unlike the device of the prior art where the wires were simply engaged in the organizer cap and could slide there freely, with the organizer cap of the invention, the wires are locked inside, which definitively and unchangingly fixes the position of the cable 3 relative to the cap 1 even before it is fixed to the base 2.

Afin d'empêcher les sections de fils conducteurs de se dégager des canaux de blocage 12, ceci sont pourvus de moyen de rétention par exemple sous la forme d'ergots de rétention 120 qui définissent une section de passage légèrement inférieure à la section des fils conducteurs de sorte qu'une fois engagés en force a l'intérieur des canaux de blocage 12 les fils conducteurs ne peuvent plus s'en dégager. On assure ainsi définitivement que le pli de bocage formé sur l'arête 13 est fixé en position. En outre, pour permettre l'engagement transversal des contacts autodénudants 21 sur les sections de fils conducteurs engagés dans les canaux de blocage 12, il est prévu des logements d'introduction traversant 14 qui sont disposés de manière correspondante à la géométrie des contacts autodénudants 21.In order to prevent the sections of conductive wires from disengaging from the blocking channels 12, this is provided with retention means for example in the form of retention lugs 120 which define a passage section slightly smaller than the section of the conductive wires. so that once forcibly engaged inside the blocking channels 12 the conductive wires can no longer be released. It is thus definitively ensured that the blocking fold formed on the edge 13 is fixed in position. In addition, to allow the transverse engagement of the insulation displacement contacts 21 on the sections of conductive wires engaged in the locking channels 12, provision is made for through-insertion housings 14 which are arranged corresponding to the geometry of the insulation displacement contacts 21 .

En se référant par exemple aux figures 3 et 4 ou 5 et 6, nous allons maintenant décrire une opération de fixation d'un capuchon organisateur 1 sur une base 2. Une fois que tous les fils conducteurs ont été correctement mis en place sur le capuchon organisateur 1, comme représenté sur la figure 5, il est éventuellement possible de couper les extrémités des fils de manière à ce qu'ils ne dépassent pas du capuchon 1. Ensuite, il suffit de rapporter le capuchon 1 par l'arrière à l'intérieur du logement 20 formé par la base 2 jusqu'à ce que les ergots d ' encliquetage 22 de la base 2 s ' encliquettent sur le capuchon organisateur 1 Lorsque cette position est atteinte, (figures 4 et 6), il est assuré que les fils conducteurs sont parfaitement engagés dans les contacts autodénudants, réalisant ainsi le contact électrique avec les broches de contact 25. La prise de courant faible selon l'invention est alors opérationnelle. En se référant maintenant à la figure 7, il est représenté une prise de courant faible selon une deuxième forme de réalisation de l'invention. La variante qu'incorpore cette deuxième forme de réalisation réside dans la conception du capuchon organisateur 1 alors que la base 2 est parfaitement identique à l'exception qu'elle ne comporte pas d'écran isolant 24 compartimentant la base 2 en quatre espaces électromagnétiquement isolés. La particularité qu'incorpore le capuchon organisateur 1 de la figure 7 réside dans la fait que les conduits de guidage communs 11 sont ouverts latéralement de sorte qu'il est possible d'engager les paires de fils latéralement dans les conduits 11. Alors qu'il est nécessaire d'introduire latéralement les fils à l'intérieur des conduits 11 à partir de la face 10 du capuchon 1, avec le capuchon 1 de la figure 7, on peut les engager de manière plus simple par introduction latérale. En outre, ce type de capuchon 1 est pourvu d'un guide de fils de drain 15 permettant de mettre le fil de drain à la masse lors de la fixation du capuchon 1 sur la base 2. Grâce au capuchon organisateur 1 selon l'invention, il est possible de diviser le câble 3 par paire et ensuite d'effectuer consécutivement les positionnements des paires de fils les unes après des autres, de sorte que l'opération de câblage est bien plus simple. Il est également à noter que la mise en place du capuchon sur la base s'effectue par l'arrière, ce qui implique un pliage de blocage des fils résistant à la traction. En outre, l'écran 24 permet d'isoler les paires de fils jusqu'au- delà des contacts autodénudants, ce qui assure une continuité de blindage entre paires même en cas de disparition de la gaine écran des paires au niveau du conduit . Referring for example to Figures 3 and 4 or 5 and 6, we will now describe an operation of fixing an organizing cap 1 on a base 2. A Once all the conductive wires have been correctly placed on the organizer cap 1, as shown in FIG. 5, it is possibly possible to cut the ends of the wires so that they do not protrude from the cap 1. Then , it suffices to attach the cap 1 from the rear to the interior of the housing 20 formed by the base 2 until the latching pins 22 of the base 2 snap onto the organizer cap 1 When this position is reached (FIGS. 4 and 6), it is ensured that the conducting wires are perfectly engaged in the insulation displacement contacts, thus making electrical contact with the contact pins 25. The weak current socket according to the invention is then operational. Referring now to Figure 7, there is shown a low power outlet according to a second embodiment of the invention. The variant incorporated in this second embodiment resides in the design of the organizer cap 1 while the base 2 is perfectly identical except that it does not have an insulating screen 24 compartmentalizing the base 2 into four electromagnetically isolated spaces . The peculiarity incorporated by the organizer cap 1 of FIG. 7 resides in the fact that the common guide conduits 11 are open laterally so that it is possible to engage the pairs of wires laterally in the conduits 11. While it is necessary to introduce the wires laterally inside the conduits 11 from the face 10 of the cap 1, with the cap 1 of FIG. 7, they can be engaged more simply by lateral introduction. In addition, this type of cap 1 is provided with a drain wire guide 15 allowing the drain wire to be grounded when the cap 1 is fixed on the base 2. Thanks to the organizer cap 1 according to the invention, it is possible to divide the cable 3 by pair and then to carry out the positions of the pairs of wires one after the other, so that the wiring operation is much simpler . It should also be noted that the fitting of the cap on the base is carried out from the rear, which implies a bending of blocking of the tensile-resistant wires. In addition, the screen 24 makes it possible to isolate the pairs of wires beyond the insulation displacement contacts, which ensures a shielding continuity between pairs even in the event of the screen sheath of the pairs disappearing at the level of the conduit.

Claims

Revendications : Claims: 1.- Prise de courant faible comportant : une base de prise (2) pourvue de broches de contact (25) sur lesquelles on peut venir connecter une fiche en l'amenant selon une direction d'enfichage donnée, et un capuchon organisateur (1) rapportable sur la base de prise (2), ledit capuchon (1), lors de sa fixation sur la base, réalisant le contact électrique entre les fils conducteurs (31, 32) d'un câble de raccordement (3) et les broches de contact (25) de la base (2), le capuchon (1) comprenant des guides de fils (11, 12) permettant un positionnement spatial répétitif des fils (31, 32) de manière séparée pour les mettre en liaison électrique avec les broches de contact (25) lors de la fixation du capuchon (1) sur la base (2), caractérisée en ce que le capuchon (1) est rapportable par l'arrière sur la base de prise (2) selon ladite direction d ' enfichage.1.- Low current socket comprising: a socket base (2) provided with contact pins (25) to which a plug can be connected by bringing it in a given direction of insertion, and an organizing cap (1 ) can be attached to the socket base (2), said cap (1), when it is fixed to the base, making electrical contact between the conductive wires (31, 32) of a connection cable (3) and the pins contact (25) of the base (2), the cap (1) comprising wire guides (11, 12) allowing repetitive spatial positioning of the wires (31, 32) separately to put them in electrical connection with the contact pins (25) when fixing the cap (1) on the base (2), characterized in that the cap (1) can be attached from the rear to the socket base (2) in said direction of plugging in. 2.- Prise de courant faible selon la revendication 1, dans laquelle chaque guide de fils (11, 12) est prévu pour le guidage d'une paire de fils, lesdits guides étant disposés selon une configuration géométrique polygonale.2.- Low current outlet according to claim 1, wherein each wire guide (11, 12) is provided for guiding a pair of wires, said guides being arranged in a geometric polygonal configuration. 3.- Prise de courant faible selon la revendication 1, dans laquelle chaque guide de paire de fils comprend un conduit de guidage commun (11) à la paire de fils (31, 32) et deux canaux de blocage (12) pour les fils respectifs de la paire.3.- Low current outlet according to claim 1, in which each pair of wire guide comprises a common guide conduit (11) to the pair of wires (31, 32) and two blocking channels (12) for the wires. respective of the pair. 4.- Prise de courant faible selon la revendication 3, dans laquelle les conduits de guidage commun (11) s'étendent sensiblement dans ladite direction d'enfichage en traversant le capuchon et les canaux de blocage (12) s ' étendent sensiblement perpendiculairement à ladite direction d'enfichage sur l'arrière du capuchon en étant ouverts sur leur longueur.4.- low current outlet according to claim 3, wherein the common guide conduits (11) extend substantially in said direction of insertion by crossing the cap and the locking channels (12) extend substantially perpendicular to said direction of insertion on the back of the cap, being open along their length. 5.- Prise de courant faible selon la revendication 3 ou 4, dans laquelle le conduit de guidage commun (11) et les deux canaux de blocage (12) font un angle de manière à former une arête (13) sur laquelle les fils respectifs forment un pli de blocage.5.- low current outlet according to claim 3 or 4, wherein the common guide conduit (11) and the two locking channels (12) make an angle so as to form an edge (13) on which the respective son form a blocking fold. 6.- Prise de courant faible selon la revendication 3,6.- Low current outlet according to claim 3, 4 ou 5, dans laquelle les canaux de blocage (12) sont pourvus de moyens de rétention (120; tel que des ergots pour maintenir les fils bloqués (31, 32) dans leur canal respectif (12 ) .4 or 5, in which the blocking channels (12) are provided with retention means (120; such as lugs for holding the blocked wires (31, 32) in their respective channel (12). 7.- Prise de courant faible selon l'une des revendications 3 à 6, dans laquelle les conduits de guidage communs (11) sont ouverts latéralement pour permettre une introduction latérale des paires de fils7.- Low current outlet according to one of claims 3 to 6, in which the common guide conduits (11) are open laterally to allow lateral insertion of the pairs of wires. (31, 32) .(31, 32). 8.- Prise de courant faible selon l'une quelconque des revendications précédentes, dans laquelle les guides de fils (11, 12) sont isolés électroniquement les uns aux autres par un dispositif d'écrantage (24) en forme de croix qui s'étend au-delà du contact électrique des fils avec la base de prise.8.- Low current outlet according to any one of the preceding claims, in which the wire guides (11, 12) are electronically isolated from each other by a cross-shaped screen device (24) which s extends beyond the electrical contact of the wires with the plug base. 9.- Prise de courant faible selon l'une quelconque des revendications 3 à 7, dans laquelle la base (2) est pourvue de contacts autodénudants (21) raccordés électriquement aux broches de contact (25), chaque canal de blocage (12) est formé avec un logement traversant (14) permettant l'insertion des contacts autodénudants (25) transversalement aux fils (31,32) bloqués dans leur canal respectif (12 ) . 9.- Low current socket according to any one of claims 3 to 7, in which the base (2) is provided with insulation displacement contacts (21) electrically connected to the contact pins (25), each blocking channel (12) is formed with a through housing (14) allowing the insertion of the insulation displacement contacts (25) transversely to the wires (31, 32) blocked in their respective channel (12). 10.- Prise de courant faible selon l'une quelconque des revendications précédentes, dans laquelle le capuchon10.- Low current outlet according to any one of the preceding claims, in which the cap (1) est pourvu d'un guide de fil de drain (15) permettant de mettre le fil de drain à la masse lors de la fixation du capuchon (1) sur la base (2) . (1) is provided with a drain wire guide (15) enabling the drain wire to be grounded when the cap (1) is attached to the base (2).
EP98944021A 1997-09-22 1998-09-18 Low voltage plug adapter with organising rear bonnet Expired - Lifetime EP1018191B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9711763 1997-09-22
FR9711763A FR2768862B1 (en) 1997-09-22 1997-09-22 LOW POWER SOCKET WITH ORGANIZER REAR CAP
PCT/FR1998/002004 WO1999016153A1 (en) 1997-09-22 1998-09-18 Low voltage plug adapter with organising rear bonnet

Publications (2)

Publication Number Publication Date
EP1018191A1 true EP1018191A1 (en) 2000-07-12
EP1018191B1 EP1018191B1 (en) 2002-06-05

Family

ID=9511327

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98944021A Expired - Lifetime EP1018191B1 (en) 1997-09-22 1998-09-18 Low voltage plug adapter with organising rear bonnet

Country Status (9)

Country Link
US (1) US6267617B1 (en)
EP (1) EP1018191B1 (en)
AU (1) AU9170498A (en)
BR (1) BR9812496A (en)
DE (1) DE69805823T2 (en)
DK (1) DK1018191T3 (en)
ES (1) ES2178255T3 (en)
FR (1) FR2768862B1 (en)
WO (1) WO1999016153A1 (en)

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Also Published As

Publication number Publication date
FR2768862B1 (en) 1999-12-24
EP1018191B1 (en) 2002-06-05
WO1999016153A1 (en) 1999-04-01
FR2768862A1 (en) 1999-03-26
DE69805823D1 (en) 2002-07-11
DE69805823T2 (en) 2003-01-23
US6267617B1 (en) 2001-07-31
AU9170498A (en) 1999-04-12
ES2178255T3 (en) 2002-12-16
DK1018191T3 (en) 2002-09-30
BR9812496A (en) 2000-09-26

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