EP0635167A1 - Disconnectable male connector for use in a communication network - Google Patents

Disconnectable male connector for use in a communication network

Info

Publication number
EP0635167A1
EP0635167A1 EP94906938A EP94906938A EP0635167A1 EP 0635167 A1 EP0635167 A1 EP 0635167A1 EP 94906938 A EP94906938 A EP 94906938A EP 94906938 A EP94906938 A EP 94906938A EP 0635167 A1 EP0635167 A1 EP 0635167A1
Authority
EP
European Patent Office
Prior art keywords
connector
contact
cable
connector according
connection
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
EP94906938A
Other languages
German (de)
French (fr)
Other versions
EP0635167B1 (en
Inventor
Didier Lecomte
Laurent Laloum
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.)
Alcatel Lucent SAS
Original Assignee
Alcatel SA
Mars Actel SA
Alcatel Cable Interface
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 Alcatel SA, Mars Actel SA, Alcatel Cable Interface filed Critical Alcatel SA
Publication of EP0635167A1 publication Critical patent/EP0635167A1/en
Application granted granted Critical
Publication of EP0635167B1 publication Critical patent/EP0635167B1/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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/65—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal
    • H01R12/67—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal insulation penetrating terminals
    • H01R12/675—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal insulation penetrating terminals with contacts having at least a slotted plate for penetration of cable insulation, e.g. insulation displacement contacts for round conductor flat cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/04—Connectors or connections adapted for particular applications for network, e.g. LAN connectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/60—Contacts spaced along planar side wall transverse to longitudinal axis of engagement
    • H01R24/62—Sliding engagements with one side only, e.g. modular jack coupling devices
    • H01R24/64—Sliding engagements with one side only, e.g. modular jack coupling devices for high frequency, e.g. RJ 45

Definitions

  • the present invention relates to a connector m & the disconnectable for communication network.
  • transmission networks using multiline cables such as for example networks, local or not, which allow computer data transmissions or digital telephone data transmissions. It is essential to be able to connect in branch and / or in series on each of these networks and in a simple way, one or more terminal equipment for processing computer and / or telephone data, depending on the type of network considered.
  • a male connector which makes it possible to connect, by means of the lines of a communication cable, a computer and / or telephone terminal to a network, by inserting this male connector into a female connector having its connection terminals connected to this network, is described.
  • European patent application No. 0366556 filed on October 26, 1989.
  • This patent application more precisely describes a universal connection assembly for connecting a processing terminal to a data transmission network.
  • This universal set includes a male connector and a female connector.
  • the connector m & le notably comprises a parallelepipedal insulating support having two lateral faces, an upper face, a lower face, a front face and a rear face, and connection terminals partially embedded in the support and opening onto one of the upper or lower faces.
  • terminals are connected to lines of a communication cable surrounded by an insulating sheath and entering the support by its rear face.
  • the male connector connection terminals respectively come into sliding contact with corresponding terminals of a female connector.
  • These terminals of the female connector are located in a housing and are respectively connected to lines of a communication network.
  • the contacts between the terminals of the male connector and the female connector are established when the male connector is inserted in an input window cutting out a front face of the female conductor housing.
  • This entry window has edges which are respectively parallel to the faces of the insulating support of the connector m & le.
  • the insulating support described in this patent application also comprises a rigid elastic tongue for locking the position of the connector m & le.
  • male connectors of this type are very small in size and ensure good locking of the position of male connector in the female connector.
  • m & connectors are monoblocks or can be considered as monoblocks: that is to say that, during normal use, the connector part m & le is indefinable.
  • human action is essential.
  • the connector m & the rest therefore connected to the female connector during a pull on the cable, with all the very important consequences which can ensue therefrom: risk for a person of tripping because of the cable and of falling by being injured, and resulting in his move an expensive device like a computer, or a measuring device.
  • a French patent application n ° 90 08831 filed on July 11, 1990 describes a male connector for computer and / or telephone communication network, of the type described above, which includes a pin engaging under the rigid elastic tongue and connected to the cable. , to release the tongue, when pulling on the cable, when the male connector is inserted in the female connector.
  • This connector therefore allows in the event of untimely traction on the cable which connects the male connector to a device, when this connector is engaged in the female connector, to facilitate its disconnection, but the connector structure is quite complicated to produce.
  • the prior art male connectors provide electrical contact between a contact and a wire, corresponding to a line of the communication cable, by displacement of the contact and perforation of the wire insulation. They therefore have several drawbacks:
  • the object of the invention is to solve the disconnection problems during untimely pulling on the cable by proposing a simpler and less expensive solution.
  • the invention relates in fact to a connector m & the disconnectable for communication network comprising means of connection between on the one hand the wires corresponding to the lines of a communication cable and on the other hand the terminals of a female connector, which are connected to the lines of the communication network, when inserting said connector m & le into the female connector, and means for locking the connector m & le to the female connector, characterized in that the locking means can be released during traction on the cable.
  • the locking means comprise a connection head provided with at least one cavity.
  • the connection means comprise a body provided with a lug which enters said cavity so as to allow the positioning of these means between them.
  • the connection head comprises two lateral tabs each having an inclined face close to its end.
  • the body includes two inclined side walls on which are supported respectively the inclined faces of the two tongues when these two means are made integral.
  • Such a connector has many advantages, and in particular: - it makes it possible to reduce the number of parts used by increasing the functions of each,
  • the invention also aims to solve the other problems by separating the functions; electrical contact with the terminals of the female connector, fixing on the insulating support, electrical contact with the wires of the cable, and in particular using a new way of making the contacts with the wires of the communication cable.
  • connection means comprise on the one hand means for connection to said wires of the communication cable, and on the other hand means of contact, by sliding, with the terminals of the female connector.
  • these means of connection to the wires of the communication cable are associated with means of blocking the cable so that the wires cannot move.
  • this connector comprises a support containing the contact means and a cover comprising these connection means, which adapts above said support so as to make the connection between the contact means and the connection means, by pushing in one over the other.
  • the contact means comprise fork-shaped contacts corresponding respectively to each wire, each contact being located below the end of a wire so that when the cover is pressed on the support, each end of wire is crimped into the fork of a contact.
  • Each contact comprises at least two branches each provided, on its internal face or faces, with at least one asperity intended to tear the sheath of the corresponding wire and thus to make contact with the core thereof.
  • These fork-shaped contacts are attached to the surface of a printed circuit comprising printed tracks making it possible to make contact with the respective terminals of the female connector.
  • the connector according to the invention comprises a support provided in its front part with a cavity in which the printed circuit can be arranged, which then rests, in its front part on inclined walls, and in its rear part on lugs , this cavity opening towards the outside by guide grooves making it possible to correctly position the connector m & le in a corresponding female connector.
  • the cover comprises connection means comprising a crimping part provided with several housings into which the ends of the wires of the communication cable are introduced.
  • This cover is provided with a rear part, through which the end of the cable can be inserted, the sheath of which has been removed to release the end of the wires; this rear part being connected to a front part, provided with housings to receive these ends of wires, by an inclined scope.
  • this cover is provided with two side walls provided with internal racks between which can be introduced a cable locking piece, provided with external racks provided to adapt to the internal racks of the cover.
  • This blocking part also comprises, on each of its lateral faces, a lug designed to move in a groove made in the middle part of each internal rack of the cover.
  • the cover has lateral slots allowing it to adapt to the walls of the support, and vertical grooves provided to fit respectively on vertical projections located on the lateral faces of said support.
  • An advantageous distribution of the connector parts of the invention based on two functions, comprises:
  • the elements used for mechanical locking which are the cable blocking part, the cover fitting into the support to close the assembly: these parts can be made of metallized plastic so that there is continuity with the cable shield and the nth point, for example the ninth point, of the female connector.
  • connection part locates the wires of the cable in the housings
  • connection head positions the contacts of the female connector facing each track of the printed circuit.
  • connection elements can be made of transparent insulating plastic material in order to visualize the various connection elements, such as the position of the wires in the connection part, or even the positioning of the printed circuit in the connection head, the latter being unable to be conductive under pain to link the tracks together, in which case we would have a common electrical point, contrary to what is sought and which is to obtain the transmission of, for example, eight independent lines.
  • a connector having such characteristics has many advantages, and in particular:
  • each contact point is fixed before the crimping of the wires by a means requiring only very moderate efforts.
  • the holding of the contacts is carried out by a means without mechanical deformation of material, for example bonding overmolding or soldered on a printed circuit.
  • each fork-shaped contact is the first end of a connection terminal partially embedded in the support, and the second end of which makes contact with the respective terminals of the female connector.
  • FIG. 1 schematically represents a data transmission network in which a connector according to the invention intervenes
  • FIG. 2 schematically represents a longitudinal connector of the prior art connector, in the position inserted in a female connector
  • FIG. 3 shows schematically and in exploded perspective and partial section of the connector m & the of the invention
  • FIG. 4 represents a view in longitudinal section of the connector m & le of the invention, in two positions of the cover, and in two positions of the front part of the support,
  • FIG. 1 schematically represents a data transmission network between two stations 2, 3 communicating by means of a multiline cable.
  • the connection assembly 4 makes it possible to connect, in diversion to this network, by a connection cable 5, another terminal or another station 6.
  • This connection assembly comprises a female connector connected to two successive sections 7, 8 of the cable network communications, and the male connector of the invention connected to the connection cable 5.
  • the connection cable 5, like the cable sections 7, 8 of the network transmission, is preferably a multiline cable with ground shielding. It can, for example, contain eight conductive lines each consisting of a conductor surrounded by an insulating sheath. It can also include a mass shield, constituted for example by a metallic envelope wound around the lines.
  • a male connector for communication network computer and / or telephone of the prior art is shown schematically and in longitudinal section in FIG. 2.
  • This connector comprises a parailakipilvesdique insulating support 20.
  • Connection terminals 21 are partially embedded in the support 20 and lead to the upper face of the support. These terminals are connected to wires 22 forming the lines of a communication cable 23 surrounded by an insulating sheath and entering the support 20 via its rear face 24.
  • connection terminals 21 of the male connector respectively come into sliding contact with corresponding terminals 25 of a female connector.
  • the terminals of the female connector are enclosed in a box 26 and are respectively connected to lines of the communication network.
  • the housing of the female connector has an entry window which allows the insertion of the male connector.
  • the support 20 shown in Figure 2 also includes a rigid elastic tongue 27, made integral with this support, in the vicinity of its lower and front faces by a base 28 wider than the tongue 27.
  • This tongue 27 and this base 28 are inclined relative to the underside of the support 20 and engage in a corresponding cutout of the front face of the housing 26.
  • the base 28 has a transverse locking shoulder 29. To facilitate insertion of the male connector into the female connector , the base 28 and the shoulder 29 can be connected by an inclined surface.
  • the shoulder 29 is also preferably inclined, as shown in the figure.
  • the tab 27 and the base 28 gradually folds down towards the underside of the support 20 by pressing and sliding this base and the inclined surface on the edges of the cutout 30.
  • the tongue 27 and the base 28 move away from the underside of the support 20 to lock the position of the male connector by pressing the shoulder 29 on an internal wall of the front face of the housing 26.
  • the connector further comprises a jumper 35 of insulating material for example, which encloses the support 20, in the vicinity of the rear face 24 of this support.
  • This jumper partially covers the lateral faces and the upper face of the support, in order to press the end 36 of each wire 22, of the communication cable 23 present inside the support 20; this support ensures the respective contacts between the ends of the wires and the corresponding terminals of the connector m & le.
  • Each connection terminal 21 has, on the side of the rear face 24 of the support 20, a pointed shape allowing, thanks to the support of the jumper 35 on the line 22, to perforate the insulation surrounding this wire up to the conductor surrounded by this insulator; the terminal and the wire conductor are then in contact.
  • the jumper 35 is held on the support 20 for example by means of lights 37 made on the lateral faces of this jumper and which engage on bosses 38 present on the lateral faces of the support 20.
  • the jumper 35 ensures effective blocking of the wires 22 of the cable 23.
  • the lateral faces of the support 20 are at least partially metallized in the vicinity of the respective contacts between the connection terminals 21 and the ends 36 of the wires of the cable, to form a shielding sheath which is connected to a sheath metal cable shield. This shielding is able to come into contact with a shielding sheath surrounding the terminals of the female conductor, inside the housing 26.
  • the shielding of the female connector is itself connected to a shielding sheath of the lines of the network.
  • the connector of the invention makes it possible to separate on the one hand the functions: connection and locking and on the other hand the functions electrical contact with the terminals of the female connector, fixing on the support in insulating material, contact electric with the wires of the cable.
  • the male connector of the invention comprises two parts: - a support housing 40 comprising two parts 80 e ⁇ insulating material and 81 made of metallized material which can be separated, the first part 80 being provided in its lower part of a rigid elastic tongue
  • the support housing 40 comprises in its front part 80 a cavity 45 in which a printed circuit 46 can be arranged which then rests in its front part on inclined walls 47 of the front part 80, and in its rear and central parts on lugs 48 and 48 ′ of the rear part 81. In its rear part, the printed circuit 46 is inserted into the groove 78 of a stop 79 secured to the body 81.
  • the cavity 45 opens outwards through guide grooves 49 making it possible to properly guide the contacts of the female connector towards the contacts of the corresponding printed circuit 46.
  • the housing 40 therefore consists of two parts: a part 80 or connection head and a part 81 or body, which can be fully metallized thus ensuring the protection of the data transmitted against the emissions of electromagnetic waves or static electricity.
  • connection head 80 has a cavity 82 making it possible to receive a lug 83 of the body 81. This lug makes it possible to position the two parts between them.
  • the printed circuit 46 provides between the two parts 80 and 81 a transverse guide.
  • the retention of the part 80 on the part 81 is achieved by the tongues 84 and 85. These tongues bear on inclined faces 86 and 87 of the part 81 via the faces 88 and 89 so as to allow this maintenance.
  • the connector In normal operation, the connector cannot move back, it is locked in the retracted position by a stop on the female connector which bears on one face 51 of the tongue 41.
  • a pull on the connector cable makes the male connector and the connector integral female.
  • the tongue 41 is made integral with the support by a flat base 50, wider than the tongue. This tongue 41 and this base 50 are inclined.
  • the base 50 which connects the tongue 41 to the support 40 has a transverse shoulder 51 allowing, at the end of insertion, the locking of the male connector in the female connector which has not been shown in FIG. 3, but which appears diagrammatically in figure 2.
  • the cover 42 has a rear part through which the end of the cable 44 can be introduced, the sheath of which has been removed to release the end of the wires 43.
  • the cover 42 joins the part 91 provided with housings 70 for the ends of the wires connected to the rear part by an inclined span 52.
  • the cover 42 comprises two side walls provided with internal racks 53 between which can be inserted a blocking piece 54 of the cable, provided with external racks 55 provided to adapt to the internal racks 53 of the cover 42.
  • This piece 54 also includes, on each of its lateral faces, a lug 56: designed to move in a groove 57 made in each rack of the cover 42.
  • the cover 42 has lateral slots 60 allowing it to adapt to the walls of the support 40. It also comprises vertical grooves 61 intended to come to be fitted respectively on vertical projections 62 situated on the lateral faces of said support 40.
  • the m & connector therefore forms a deformable assembly which can be split into two: part 80 which includes the tongue 41 and the body 81.
  • part 80 which includes the tongue 41 and the body 81.
  • the male connector being in the assembled position shown in FIG. 4, the faces 88 and 89 of the connection head 80 are in contact with the faces 86 and 87 of the body 81.
  • a pull on the cable plates the m & le connector on the female connector via the surface 51, a tensile force tends to spread the parts 80 and 81 apart.
  • the bearing faces (86, 87, 88, 89) between these two parts are inclined to effort.
  • the latter can be broken down into a component parallel to the tensile force and a component perpendicular to the tensile force.
  • the perpendicular component tends to bring the two tongues 84 and 85 closer to one another and therefore to allow the part 80 to separate from the part 81, and therefore from the assembly of the connector m & le.
  • the printed circuit 46 as shown in FIG. 5 comprises conductive tracks 64 at the end of which contacts 65 in the form of forks, for example with three branches 66 can be introduced into metallized holes 67. These contacts are arranged in staggered along two transverse lines.
  • Each contact 65 comprises at least two branches 66 each provided on its (or its) internal face (s) at least one roughness 68 intended to tear the sheath of the wire 43 and thus make contact with the core of the wire.
  • the cable 44 can comprise a screen and a drain, a non-insulated wire which runs along the screen; the cover 42, the part 81 of the support 40 and the blocking part 54 can then be metallized and electrically connected by contact to this screen and to this drain in order to protect the transmission of data from the emissions of electromagnetic waves or electricity static.
  • FIGS. 3 and 4 the support 40 and the cover assembly 100 are shown in two distinct and consecutive positions: in a first position in which they are separated, in a second position in which they are made integral one of the 'other.
  • the elements serving for the mechanical blocking which are the blocking of cable 54, the cover 42 fitting into the support 81 to close the assembly.
  • These parts can be made of metallized plastic so that there is continuity with the shielding of the cable and the nth point, for example the ninth, of the female connector.
  • connection 91 locates the wires 43 of the cable 44 in the housings 70
  • the part 80 positions the contacts of the female connector facing each track of the printed circuit.
  • These parts can be made of transparent insulating plastic material in order to visualize the various connection elements, such as the position of the wires in part 91, or even the positioning of the printed circuit in part 80, the latter being unable to be conductive on pain of connecting the tracks between them, in which case there would be a common electrical point, contrary to what is sought and which is to obtain the transmission of, for example, eight independent lines.
  • the contacts 65 are welded, here eight in number, on the printed circuit 46, as shown in FIG. 5. This assembly is placed on the lugs 48 and 48 'of the part 81 to come into abutment in the groove 78 of the piece 79. The pieces 80 and 81 are then assembled to form the support box 40.
  • Cable 44 is prepared: Cable 44 is put at the correct length. The sheath is cut over a certain length. The shielding screen and the cable drain 44 are turned over on the cable. The wires 43 of the cable 44 are then positioned according to a color code relating to the installation or to a particular function to be fulfilled.
  • the part 91 is guided in the cover 42 by lateral pins which move in grooves in the cover 42 not shown in the figures.
  • the connection between these two parts 91 and 42 is achieved by the deformation of a triangle-shaped lug 92, for example, which is provided with the part 91 on its upper part, inside a cylindrical housing 93 of the cover 42 This assembly is carried out by force.
  • the points of the triangle interfere with the wall of the cylindrical housing, hence deformation of the triangle, and sufficiently important connection of these two parts,
  • the wires 43 are put in place: The wires pre-positioned with respect to each other are introduced into the housings of the part 91.
  • the cable 44 is blocked by means of the blocking piece 54.
  • This blocking is achieved by a rack-type system.
  • this metallized piece 54 and the piece 42 are in electrical contact with each other, and also with the screen and the drain of the cable 44. In this way, electrical contact is ensured between the cable shield and the metallized parts such as 54 and 42.
  • the support box 40 and the cover assembly 100 connected to the cable are combined to make the final product a reality.
  • the two assemblies are guided relative to each other by the vertical projections 62 of the housing 40 and of the grooves 61 of the cover 42.
  • Each wire 43 comes into contact with one of the contacts 65.
  • a small effort is then necessary to pierce the insulation and make the core of each wire penetrate between the branches 66 of a contact 65.
  • These are the four bosses 72 of part 81 which are housed in four corresponding slots 71 produced in the lateral faces of the cover 42.
  • the metallized cover 42 comes into contact with the metallized support 81 and electrical continuity is produced between these two parts and therefore between the support 81 and the cable drain 44.
  • Such a connector has many advantages, and in particular:
  • the connector m & the thus produced splits into two parts (part 80 on one side, part 81, printed circuit 46 and cover assembly 100 on the other) during an untimely pulling on the cable 44.
  • the upper face of the printed circuit which includes tracks ensuring contact with the female connector, allows a frank and precise positioning of the contact surface with respect to a connection reference defined in the standard.
  • the fixing of the contacts in the support is carried out by a method without constraint for example gluing, filling of resin, welding; therefore, no stress is exerted on the connector and the deformation seen from the end is zero.
  • connection effort is no longer added to the contact fixing effort.
  • connection with the wires of the cable being carried several millimeters behind the front face of the connector, it is possible to use wires with diameters on different insulation. Indeed, the standard fixes the width of the connector, but at a certain level this width is free. We can therefore discard the wire connection areas. We can therefore use wires with lower number gauges.
  • these wires can be single-strand or multi-strand.
  • the contact can be made by a connection terminal, of the same type as that shown in FIG. 2; this terminal then having its rear end in the form of a fork with several branches, so that the corresponding wire can be crimped in the manner shown in particular in FIG. 5.

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

Disconnectable male connector for use in a communication network comprising means for connecting wires (43), corresponding to the lines of a communication cable (44), and the terminals of a female connector, which are linked to the lines of a switching network, during insertion of said male connector into the female connector. Also included are means (41) for locking the male connector to the female connector, wherein said connection means (46, 81, 100) and locking means (41, 80) can be disconnected when the cable is pulled (44). Application especially in an integrated services digital network.

Description

CONNECTEUR MALE DECONNECTABLE POUR RESEAU DE COMMUNICATIONDISCONNECTABLE MALE CONNECTOR FOR COMMUNICATION NETWORK
DESCRIPTIONDESCRIPTION
DQMΛINE TECHNIQUE La présente invention concerne un connecteur m&le déconnectable pour réseau de communication.TECHNICAL DQMΛINE The present invention relates to a connector m & the disconnectable for communication network.
Elle s'applique notamment aux réseaux de transmission utilisant des cables multilignes tels que par exemple des réseaux, locaux ou non, qui permettent des transmissions de données informatiques ou des transmissions de données téléphoniques numériques. Il est indispensable de pouvoir raccorder en dérivation et/ou en série sur chacun de ces réseaux et de façon simple, un ou plusieurs équipements terminaux de traitement de données informatiques et/ou téléphoniques, selon le type de réseau considéré.It applies in particular to transmission networks using multiline cables such as for example networks, local or not, which allow computer data transmissions or digital telephone data transmissions. It is essential to be able to connect in branch and / or in series on each of these networks and in a simple way, one or more terminal equipment for processing computer and / or telephone data, depending on the type of network considered.
ETAT DE IA TECHNIQUE ANTERIEURSSTATE OF PRIOR TECHNICAL IA
Un connecteur m&le, qui permet de relier grâce aux lignes d'un câble de communication un terminal informatique et/ou téléphonique à un réseau, par insertion de ce connecteur m&le dans un connecteur femelle ayant ses bornes de connexion reliées & ce réseau, est décrit, par exemple, dans la demande de brevet européen N* 0366556 déposée le 26 octobre 1989. Cette demande de brevet décrit plus précisément un ensemble universel de connexion pour raccorder un terminal de traitement à un réseau de transmission de données. Cet ensemble universel comporte un connecteur m&le et un connecteur femelle. Le connecteur m&le comporte notamment un support isolant parallélépipédique ayant deux faces latérales, une face supérieure, une face inférieure, une face avant et une face arrière, et des bornes de connexion partiellement noyées dans le support et débouchant sur l'une des faces supérieure ou inférieure. Ces bornes sont reliées à des lignes d'un câble de communication entouré d'une gaine isolante et entrant dans le support par sa face arrière. Les bornes de connexion du connecteur mâle entrent respectivement en contact par glissement avec des bornes correspondantes d'un connecteur femelle. Ces bornes du connecteur femelle sont situées dans un boîtier et sont respectivement reliées à des lignes d'un réseau de communication. Les contacts entre les bornes du connecteur m&le et du connecteur femelle s'établissent lors de l'insertion du connecteur m&le dans une fenêtre d'entrée découpant une face avant du boîtier du conducteur femelle. Cette fenêtre d'entrée présente des bords qui sont respectivement parallèles aux faces du support isolant du connecteur m&le. Le support isolant décrit dans cette demande de brevet comporte en outre une languette élastique rigide pour verrouiller la position du connecteur m&le.A male connector, which makes it possible to connect, by means of the lines of a communication cable, a computer and / or telephone terminal to a network, by inserting this male connector into a female connector having its connection terminals connected to this network, is described. , for example, in European patent application No. 0366556 filed on October 26, 1989. This patent application more precisely describes a universal connection assembly for connecting a processing terminal to a data transmission network. This universal set includes a male connector and a female connector. The connector m & le notably comprises a parallelepipedal insulating support having two lateral faces, an upper face, a lower face, a front face and a rear face, and connection terminals partially embedded in the support and opening onto one of the upper or lower faces. These terminals are connected to lines of a communication cable surrounded by an insulating sheath and entering the support by its rear face. The male connector connection terminals respectively come into sliding contact with corresponding terminals of a female connector. These terminals of the female connector are located in a housing and are respectively connected to lines of a communication network. The contacts between the terminals of the male connector and the female connector are established when the male connector is inserted in an input window cutting out a front face of the female conductor housing. This entry window has edges which are respectively parallel to the faces of the insulating support of the connector m & le. The insulating support described in this patent application also comprises a rigid elastic tongue for locking the position of the connector m & le.
Les connecteurs m&les de ce type ont pour avantage essentiel d'être de format très réduit et d'assurer un bon verrouillage de la position du connecteur m&le dans le connecteur femelle.The main advantage of male connectors of this type is that they are very small in size and ensure good locking of the position of male connector in the female connector.
Mais de tels connecteurs m&les sont monoblocs ou peuvent être considérés comme monoblocs : c'est-à-dire que, lors d'une utilisation normale la partie connecteur m&le est indé ormable. Pour réaliser la déconnexion entre le connecteur m&le et le connecteur femelle, une action humaine est indispensable. Le connecteur m&le reste donc connecté au connecteur femelle lors d'une traction sur le câble, avec toutes les conséquences très importantes qui peuvent en découler : risque pour une personne de trébucher à cause du câble et de tomber en se blessant, et entraîner dans son mouvement un appareil onéreux comme un ordinateur, ou un appareil de mesure.However, such m & connectors are monoblocks or can be considered as monoblocks: that is to say that, during normal use, the connector part m & le is indefinable. To achieve disconnection between the male connector and the female connector, human action is essential. The connector m & the rest therefore connected to the female connector during a pull on the cable, with all the very important consequences which can ensue therefrom: risk for a person of tripping because of the cable and of falling by being injured, and resulting in his move an expensive device like a computer, or a measuring device.
Une demande de brevet français n' 90 08831 déposée le 11 juillet 1990 décrit un connecteur mâle pour réseau de communication informatique et/ou téléphonique, de type décrit plus haut, qui comprend une targette s'engageant sous la languette élastique rigide et reliée au câble, pour libérer la languette, lors d'une traction sur le c&ble, lorsque le connecteur m&le est inséré dans le connecteur femelle. Ce connecteur permet donc en cas de traction intempestive sur le c&ble qui relie le connecteur m&le à un appareil, lorsque ce connecteur est engagé dans le connecteur femelle, de faciliter sa déconnexion, mais la structure de connecteur est assez compliquée à réaliser.A French patent application n ° 90 08831 filed on July 11, 1990 describes a male connector for computer and / or telephone communication network, of the type described above, which includes a pin engaging under the rigid elastic tongue and connected to the cable. , to release the tongue, when pulling on the cable, when the male connector is inserted in the female connector. This connector therefore allows in the event of untimely traction on the cable which connects the male connector to a device, when this connector is engaged in the female connector, to facilitate its disconnection, but the connector structure is quite complicated to produce.
Les connecteurs m&les de l'art antérieur assurent le contact électrique entre un contact et un fil, correspondant à une ligne du c&ble de communication, par déplacement du contact et perforation de 1'isolant du fil. Ils présentent, de ce fait, plusieurs inconvénients :The prior art male connectors provide electrical contact between a contact and a wire, corresponding to a line of the communication cable, by displacement of the contact and perforation of the wire insulation. They therefore have several drawbacks:
- la position du contact étant figée de façon précise par diverses normes (par exemple la norme ISO 8877), le sertissage nécessitant un outillage spécifique, et la position n'étant pas aisément vérifiable sur site de montage, des incertitudes subsistent sur la position et l'orientation des contacts vis-à-vis de ces normes.- the position of the contact being fixed in a precise manner by various standards (for example the ISO 8877 standard), the crimping requiring specific tools, and the position not being easily verifiable on the assembly site, uncertainties remain on the position and the orientation of the contacts with regard to these standards.
- la tenue du contact pour tous les types de connecteurs est réalisée par harpon, cette méthode de fixation n'assure pas un positionnement correct des contacts. Leurs faces utiles, zone de liaison électrique, ont toutes des orientations différentes par rapport à la référence. - un effort important est appliqué sur le contact pour perforer l'isolant, traverser les brins de cuivre, et assurer son maintien dans la matière plastique du connecteur. En conséquence, les différents points contacts avec les contacts et les fils correspondants d'un c&ble ne sont pas alignés sur une droite, mais plutôt sur une courbe. De plus, ces fils doivent être multibrins. L'effort mécanique détériore la surface du contact. EXPOSE DE L'INVENTION- contact holding for all types of connectors is performed by harpoon, this method of fixing does not ensure correct positioning of the contacts. Their useful faces, electrical connection area, all have different orientations compared to the reference. - a significant effort is applied to the contact to puncture the insulation, cross the copper strands, and ensure its retention in the plastic of the connector. Consequently, the various contact points with the contacts and the corresponding wires of a cable are not aligned on a straight line, but rather on a curve. In addition, these wires must be multi-strand. Mechanical stress deteriorates the contact surface. STATEMENT OF THE INVENTION
L'invention a pour objet de résoudre les problèmes de déconnexion lors d'une traction intempestive sur le c&ble en proposant une solution plus simple et moins coûteuse. L'invention concerne en effet un connecteur m&le déconnectable pour réseau de communication comportant des moyens de connexion entre d'une part les fils correspondant aux lignes d'un cable de communication et d'autre part les bornes d'un connecteur femelle, qui sont reliées aux lignes du réseau de communication, lors de l'insertion dudit connecteur m&le dans le connecteur femelle, et des moyens de verrouillage du connecteur m&le au connecteur femelle, caractérisé en ce que les moyens de verrouillage peuvent être désolidarisés lors d'une traction sur le c&ble.The object of the invention is to solve the disconnection problems during untimely pulling on the cable by proposing a simpler and less expensive solution. The invention relates in fact to a connector m & the disconnectable for communication network comprising means of connection between on the one hand the wires corresponding to the lines of a communication cable and on the other hand the terminals of a female connector, which are connected to the lines of the communication network, when inserting said connector m & le into the female connector, and means for locking the connector m & le to the female connector, characterized in that the locking means can be released during traction on the cable.
Avantageusement, les moyens de verrouillage comportent une tête de connexion munie d'au moins une cavité. Les moyens de connexion comportent un corps muni d'un ergot qui entre dans ladite cavité de manière à permettre le positionnement de ces moyens entre eux. La tête de connexion comprend deux languettes latérales comportant chacune une face inclinée proche de son extrémité. Le corps comprend deux parois latérales inclinées sur lesquelles prennent respectivement appui les faces inclinées des deux languettes lorsque ces deux moyens sont rendus solidaires.Advantageously, the locking means comprise a connection head provided with at least one cavity. The connection means comprise a body provided with a lug which enters said cavity so as to allow the positioning of these means between them. The connection head comprises two lateral tabs each having an inclined face close to its end. The body includes two inclined side walls on which are supported respectively the inclined faces of the two tongues when these two means are made integral.
Un tel connecteur présente de nombreux avantages, et notamment : - il permet de réduire le nombre de pièces utilisées en augmentant les fonctions de chacune,Such a connector has many advantages, and in particular: - it makes it possible to reduce the number of parts used by increasing the functions of each,
- il permet une déconnexion rapide par une séparation en deux parties,- it allows a quick disconnection by a separation into two parts,
- il permet une diminution du coût de fabrication. L'invention a également pour objet de résoudre les autres problèmes en séparant les fonctions ; contact électrique avec les bornes du connecteur femelle, fixation sur le support isolant, contact électrique avec les fils du cable, et en utilisant notamment une nouvelle façon de réaliser les contacts avec les fils du c&ble de communication.- it allows a reduction in the manufacturing cost. The invention also aims to solve the other problems by separating the functions; electrical contact with the terminals of the female connector, fixing on the insulating support, electrical contact with the wires of the cable, and in particular using a new way of making the contacts with the wires of the communication cable.
Ainsi, dans une réalisation particulièrement avantageuse du connecteur de l'invention, les moyens de connexion comportent d'une part des moyens de raccordement auxdits fils du c&ble de communication, et d'autre part des moyens de contact, par glissement, avec les bornes correspondantes du connecteur femelle.Thus, in a particularly advantageous embodiment of the connector of the invention, the connection means comprise on the one hand means for connection to said wires of the communication cable, and on the other hand means of contact, by sliding, with the terminals of the female connector.
Avantageusement, ces moyens de raccordement aux fils du c&ble de communication sont associés à des moyens de blocage du câble afin que les fils ne puissent se déplacer.Advantageously, these means of connection to the wires of the communication cable are associated with means of blocking the cable so that the wires cannot move.
Avantageusement, ce connecteur comprend un support contenant les moyens de contact et un couvercle comprenant ces moyens de raccordement, qui s'adapte au-dessus dudit support de manière à réaliser la connexion entre les moyens de contact et les moyens de raccordement, par enfoncement de l'un sur l'autre.Advantageously, this connector comprises a support containing the contact means and a cover comprising these connection means, which adapts above said support so as to make the connection between the contact means and the connection means, by pushing in one over the other.
Les moyens de contact comportent des contacts en forme de fourche correspondant respectivement à chaque fil, chaque contact étant situé au-dessous de l'extrémité d'un fil de manière telle que lors de l'enfoncement du couvercle sur le support, chaque extrémité de fil soit sertie dans la fourche d'un contact. Chaque contact comprend au moins deux branches munies chacune, sur sa ou ses faces internes, d'au moins une aspérité destinée à déchirer la gaine du fil correspondant et ainsi réaliser le contact avec 1'âme de celui-ci. Ces contacts en forme de fourche sont rapportés à la surface d'un circuit imprimé comportant des pistes imprimées permettant de réaliser le contact avec les bornes respectives du connecteur femelle.The contact means comprise fork-shaped contacts corresponding respectively to each wire, each contact being located below the end of a wire so that when the cover is pressed on the support, each end of wire is crimped into the fork of a contact. Each contact comprises at least two branches each provided, on its internal face or faces, with at least one asperity intended to tear the sheath of the corresponding wire and thus to make contact with the core thereof. These fork-shaped contacts are attached to the surface of a printed circuit comprising printed tracks making it possible to make contact with the respective terminals of the female connector.
Avantageusement, le connecteur selon l'invention comprend un support muni dans sa partie avant d'une cavité dans laquelle peut être disposé le circuit imprimé, qui repose alors, dans sa partie avant sur des parois inclinées, et dans sa partie arrière sur des ergots, cette cavité débouchant vers l'extérieur par des gorges de guidage permettant de bien positionner le connecteur m&le dans un connecteur femelle correspondant.Advantageously, the connector according to the invention comprises a support provided in its front part with a cavity in which the printed circuit can be arranged, which then rests, in its front part on inclined walls, and in its rear part on lugs , this cavity opening towards the outside by guide grooves making it possible to correctly position the connector m & le in a corresponding female connector.
Avantageusement, le couvercle comprend des moyens de raccordement comportant une pièce de sertissage munie de plusieurs logements dans lesquels sont introduites les extrémités des fils du câble de communication. Ce couvercle est muni d'une partie arrière, par laquelle peut être introduite l'extrémité du cable dont la gaine a été enlevée pour libérer l'extrémité des fils ; cette partie arrière étant reliée à une partie avant, munie de logements pour recevoir ces extrémités de fils, par une portée inclinée. Dans sa partie arrière, ce couvercle est muni de deux parois latérales munies de crémaillères internes entre lesquelles peut être introduite une pièce de blocage du câble, munie de crémaillères externes prévues pour s'adapter aux crémaillères internes du couvercle. Cette pièce de blocage comprend également, sur chacune de ses faces latérales, un ergot prévu pour se déplacer dans une rainure réalisée dans la partie médiane de chaque crémaillère interne du couvercle.Advantageously, the cover comprises connection means comprising a crimping part provided with several housings into which the ends of the wires of the communication cable are introduced. This cover is provided with a rear part, through which the end of the cable can be inserted, the sheath of which has been removed to release the end of the wires; this rear part being connected to a front part, provided with housings to receive these ends of wires, by an inclined scope. In its rear part, this cover is provided with two side walls provided with internal racks between which can be introduced a cable locking piece, provided with external racks provided to adapt to the internal racks of the cover. This blocking part also comprises, on each of its lateral faces, a lug designed to move in a groove made in the middle part of each internal rack of the cover.
Le couvercle comporte des fentes latérales lui permettant de s'adapter aux parois du support, et des rainures verticales prévues pour venir s'adapter respectivement sur des saillies verticales situées sur les faces latérales dudit support.The cover has lateral slots allowing it to adapt to the walls of the support, and vertical grooves provided to fit respectively on vertical projections located on the lateral faces of said support.
Une répartition avantageuse des pièces du connecteur de 1'invention se basant sur deux fonctions, comporte :An advantageous distribution of the connector parts of the invention based on two functions, comprises:
- d'une part, les éléments servant au blocage mécanique qui sont la pièce de blocage de c&ble, le couvercle venant s'emboîter dans le support pour fermer 1'ensemble : ces pièces peuvent être en matière plastique métallisée afin qu'il y ait continuité avec le blindage du c&ble et le nième point, par exemple le neuvième point, du connecteur femelle.- On the one hand, the elements used for mechanical locking which are the cable blocking part, the cover fitting into the support to close the assembly: these parts can be made of metallized plastic so that there is continuity with the cable shield and the nth point, for example the ninth point, of the female connector.
- d'autre part, les éléments servant au positionnement des pièces extérieures : la pièce de raccordement localise les fils du c&ble dans les logements, la tête de connexion positionne les contacts du connecteur femelle face à chaque piste du circuit imprimé. Ces pièces peuvent être en matière plastique isolante transparente afin de visualiser les divers éléments de connexion, comme la position des fils dans la pièce de raccordement, ou encore le positionnement du circuit imprimé dans la tête de connexion, cette dernière ne pouvant être conductrice sous peine de relier les pistes entre elles, auquel cas on aurait un point électrique commun contrairement à ce qui est recherché et qui est d'obtenir la transmission de par exemple huit lignes indépendantes.- on the other hand, the elements used for positioning the external parts: the connection part locates the wires of the cable in the housings, the connection head positions the contacts of the female connector facing each track of the printed circuit. These parts can be made of transparent insulating plastic material in order to visualize the various connection elements, such as the position of the wires in the connection part, or even the positioning of the printed circuit in the connection head, the latter being unable to be conductive under pain to link the tracks together, in which case we would have a common electrical point, contrary to what is sought and which is to obtain the transmission of, for example, eight independent lines.
Un connecteur ayant de telles caractéristiques présente de nombreux avantages, et notamment :A connector having such characteristics has many advantages, and in particular:
- La position de chaque point de contact est fixée avant le sertissage des fils par un moyen ne nécessitant que des efforts très modérés.- The position of each contact point is fixed before the crimping of the wires by a means requiring only very moderate efforts.
- La tenue des contacts est réalisée par un moyen sans déformation mécanique de matière, par exemple collage surmoulage ou soudés sur un circuit imprimé.- The holding of the contacts is carried out by a means without mechanical deformation of material, for example bonding overmolding or soldered on a printed circuit.
- Pour assurer la mise en place des contacts, il n'est plus nécessaire d'exercer un effort important, les points contact sont donc bien positionnés et alignés.- To ensure the establishment of the contacts, it is no longer necessary to exert a significant effort, the contact points are therefore well positioned and aligned.
- En reportant vers l'arrière le sertissage des file, on peut utiliser des fils ayant un diamètre sur isolant plus important, ce qui permet d'utiliser des cables ayant des caractéristiques plus performantes. Dans une variante de réalisation, chaque contact en forme de fourche est la première extrémité d'une borne de connexion partiellement noyée dans le support, et dont la seconde extrémité permet de réaliser le contact avec les bornes respectives du connecteur femelle.- By transferring the crimping of the files backwards, wires with a larger diameter on insulator can be used, which allows cables with more efficient characteristics to be used. In an alternative embodiment, each fork-shaped contact is the first end of a connection terminal partially embedded in the support, and the second end of which makes contact with the respective terminals of the female connector.
B -BVE DESCRIPTION DES DESSINSB-BVE DESCRIPTION OF THE DRAWINGS
- la figure 1 représente βchématiquement un réseau de transmission de données dans lequel intervient un connecteur conforme à 1'invention, - la figure 2 représente schématiquement et en coupe longitudinale un connecteur m&le de 1'art antérieur, en position insérée dans un connecteur femelle,FIG. 1 schematically represents a data transmission network in which a connector according to the invention intervenes, FIG. 2 schematically represents a longitudinal connector of the prior art connector, in the position inserted in a female connector,
- la figure 3 représente schématiquement et en perspective éclatée et en coupe partielle le connecteur m&le de l'invention,- Figure 3 shows schematically and in exploded perspective and partial section of the connector m & the of the invention,
- la figure 4 représente une vue en coupe longitudinale du connecteur m&le de l'invention, dans deux positions du couvercle, et dans deux positions de la partie avant du support,FIG. 4 represents a view in longitudinal section of the connector m & le of the invention, in two positions of the cover, and in two positions of the front part of the support,
- la figure 5 représente le circuit intégré muni de contacts, destiné à être introduit dans le support du connecteur m&le de l'invention. EXPOSE DgTfTTT.lt nie MODES DE REM.ISATIOM- Figure 5 shows the integrated circuit provided with contacts, intended to be introduced into the support of the connector m & the of the invention. EXHIBIT DgTfTTT.lt denies REMAISATIOM MODES
La figure 1 représente schématiquement un réseau de transmission de données entre deux stations 2, 3 communiquant au moyen d'un c&ble multilignes. L'ensemble de connexion 4 permet de brancher, en dérivation sur ce réseau, par un c&ble de connexion 5, un autre terminal ou une autre station 6. Cet ensemble de connexion comporte un connecteur femelle relié à deux tronçons successifs 7, 8 du câble de communications du réseau, et le connecteur mâle de l'invention relié au câble de connexion 5. Le câble de connexion 5, comme les tronçons de câbles 7, 8 de transmission du réseau, est de préférence un câble multilignes avec blindage de masse. Il peut, par exemple, contenir huit lignes conductrices constituée chacune d'un conducteur entouré d'une gaine isolante. Il peut également comporter un blindage de masse, constitué par exemple par une enveloppe métallique enroulée autour des lignes.FIG. 1 schematically represents a data transmission network between two stations 2, 3 communicating by means of a multiline cable. The connection assembly 4 makes it possible to connect, in diversion to this network, by a connection cable 5, another terminal or another station 6. This connection assembly comprises a female connector connected to two successive sections 7, 8 of the cable network communications, and the male connector of the invention connected to the connection cable 5. The connection cable 5, like the cable sections 7, 8 of the network transmission, is preferably a multiline cable with ground shielding. It can, for example, contain eight conductive lines each consisting of a conductor surrounded by an insulating sheath. It can also include a mass shield, constituted for example by a metallic envelope wound around the lines.
Dans ce type de câble multilignes, certaines lignes sont destinées à assurer des transmissions dans un premier sens, tandis que d'autres lignes sont destinées à assurer des transmissions dans un sens opposé.In this type of multiline cable, certain lines are intended to ensure transmissions in a first direction, while other lines are intended to ensure transmissions in an opposite direction.
Un connecteur mâle pour réseau de communication informatique et/ou téléphonique de l'art antérieur est représenté schématiquement et en coupe longitudinale sur la figure 2. Ce connecteur comporte un support isolant parailélépipédique 20. Des bornes de connexion 21 sont partiellement noyées dans le support 20 et débouchent sur la face supérieure du support. Ces bornes sont reliées à des fils 22 formant les lignes d'un câble de communication 23 entourées d'une gaine isolante et entrant dans le support 20 par sa face arrière 24.A male connector for communication network computer and / or telephone of the prior art is shown schematically and in longitudinal section in FIG. 2. This connector comprises a parailélépipédique insulating support 20. Connection terminals 21 are partially embedded in the support 20 and lead to the upper face of the support. These terminals are connected to wires 22 forming the lines of a communication cable 23 surrounded by an insulating sheath and entering the support 20 via its rear face 24.
Les bornes de connexion 21 du connecteur mâle entrent respectivement en contact par glissement avec des bornes correspondantes 25 d'un connecteur femelle. Les bornes du connecteur femelle sont enfermées dans un boîtier 26 et sont respectivement reliées à des lignes du réseau de communication. Le boîtier du connecteur femelle présente une fenêtre d'entrée qui permet 1'insertion du connecteur mâle.The connection terminals 21 of the male connector respectively come into sliding contact with corresponding terminals 25 of a female connector. The terminals of the female connector are enclosed in a box 26 and are respectively connected to lines of the communication network. The housing of the female connector has an entry window which allows the insertion of the male connector.
Le support 20 représenté sur la figure 2 comporte aussi une languette élastique rigide 27, rendue solidaire de ce support, au voisinage de ses faces inférieure et avant par une embase 28 plue large que la languette 27. Cette languette 27 et cette embase 28 sont inclinées par rapport à la face inférieure du support 20 et s'engagent dans une découpe correspondante de la face avant du boîtier 26. L'embase 28 comporte un épaule ent transversal de verrouillage 29. Pour faciliter l'insertion du connecteur mâle dans le connecteur femelle, l'embase 28 et l'épaulement 29 peuvent être reliés par une surface inclinée. L'épaulement 29 est lui aussi de préférence incliné, comme représenté sur la figure.The support 20 shown in Figure 2 also includes a rigid elastic tongue 27, made integral with this support, in the vicinity of its lower and front faces by a base 28 wider than the tongue 27. This tongue 27 and this base 28 are inclined relative to the underside of the support 20 and engage in a corresponding cutout of the front face of the housing 26. The base 28 has a transverse locking shoulder 29. To facilitate insertion of the male connector into the female connector , the base 28 and the shoulder 29 can be connected by an inclined surface. The shoulder 29 is also preferably inclined, as shown in the figure.
Au cours de 1'insertion du connecteur mâle dans la fenêtre du connecteur femelle, la languette 27 et l'embase 28 se rabattent progressivement vers la face inférieure du support 20 par appui et glissement de cette embase et de la surface inclinée sur les bords de la découpe 30. A la fin de l'insertion, la languette 27 et l'embase 28 s'éloignent de la face inférieure du support 20 pour verrouiller la position du connecteur mâle par appui de l'épaulement 29 sur une paroi interne de la face avant du boîtier 26.During the insertion of the male connector into the window of the female connector, the tab 27 and the base 28 gradually folds down towards the underside of the support 20 by pressing and sliding this base and the inclined surface on the edges of the cutout 30. At the end of the insertion, the tongue 27 and the base 28 move away from the underside of the support 20 to lock the position of the male connector by pressing the shoulder 29 on an internal wall of the front face of the housing 26.
Le connecteur comporte, de plus, un cavalier 35 en matière isolante par exemple, qui vient enserrer le support 20, au voisinage de la face arrière 24 de ce support. Ce cavalier recouvre partiellement les faces latérales et la face supérieure du support, pour appuyer sur l'extrémité 36 de chaque fil 22, du câble de communication 23 présent à l'intérieur du support 20 ; cet appui permet d'assurer les contacts respectifs entre les extrémités des fils et les bornes correspondantes du connecteur m&le. Chaque borne de connexion 21 présente, du côté de la face arrière 24 du support 20, une forme en pointe permettant gr&ce à l'appui du cavalier 35 sur la ligne 22, de perforer l'isolant entourant ce fil jusqu'au conducteur entouré par cet isolant ; la borne et le conducteur du fil sont alors en contact. Le cavalier 35 est maintenu sur le support 20 par exemple gr&ce à des lumières 37 réalisées sur les faces latérales de ce cavalier et qui s'engagent sur des bossages 38 présents sur les faces latérales du support 20. Le cavalier 35 assure un blocage efficace des fils 22 du c&ble 23. Les faces latérales du support 20 sont au moins partiellement métallisées au voisinage des contacts respectifs entre les bornes de connexion 21 et les extrémités 36 des fils du câble, pour former un fourreau de blindage qui est relié à une gaine métallique de blindage du câble. Ce blindage est apte à entrer en contact avec un fourreau de blindage entourant les bornes du conducteur femelle, à l'intérieur du boîtier 26. Le blindage du connecteur femelle est lui-même relié à un fourreau de blindage des lignes du réseau.The connector further comprises a jumper 35 of insulating material for example, which encloses the support 20, in the vicinity of the rear face 24 of this support. This jumper partially covers the lateral faces and the upper face of the support, in order to press the end 36 of each wire 22, of the communication cable 23 present inside the support 20; this support ensures the respective contacts between the ends of the wires and the corresponding terminals of the connector m & le. Each connection terminal 21 has, on the side of the rear face 24 of the support 20, a pointed shape allowing, thanks to the support of the jumper 35 on the line 22, to perforate the insulation surrounding this wire up to the conductor surrounded by this insulator; the terminal and the wire conductor are then in contact. The jumper 35 is held on the support 20 for example by means of lights 37 made on the lateral faces of this jumper and which engage on bosses 38 present on the lateral faces of the support 20. The jumper 35 ensures effective blocking of the wires 22 of the cable 23. The lateral faces of the support 20 are at least partially metallized in the vicinity of the respective contacts between the connection terminals 21 and the ends 36 of the wires of the cable, to form a shielding sheath which is connected to a sheath metal cable shield. This shielding is able to come into contact with a shielding sheath surrounding the terminals of the female conductor, inside the housing 26. The shielding of the female connector is itself connected to a shielding sheath of the lines of the network.
Mais un tel connecteur présente de nombreux défauts :But such a connector has many faults:
- il n'y a pas de déconnexion en cas de traction intempestive sur le câble,- there is no disconnection in the event of untimely pulling on the cable,
- il existe des incertitudes sur la position et l'orientation des points contacts entre les fils et les bornes vis-à-vis des normes,- there are uncertainties about the position and orientation of the contact points between the wires and the terminals vis-à-vis standards,
- la méthode de fixation des contacts utilisée n'aββure pas un bon positionnement de ceux-ci,- the method of fixing the contacts used does not ensure good positioning of these,
- les points de contacts ne sont pas alignés. Pour pallier ces différents défauts, le connecteur de 1'invention permet de séparer d'une part les fonctions : connexion et verrouillage et d'autre part les fonctions contact électrique avec les bornes du connecteur femelle, fixation sur le support en matière isolante, contact électrique avec les fils du câble.- the contact points are not aligned. To overcome these various defects, the connector of the invention makes it possible to separate on the one hand the functions: connection and locking and on the other hand the functions electrical contact with the terminals of the female connector, fixing on the support in insulating material, contact electric with the wires of the cable.
Ainsi, comme représenté sur les figures 3 et 4, le connecteur mâle de 1'invention comprend deux parties : - un boîtier support 40 comprenant deux parties 80 eα matériau isolant et 81 en matériau métallisé pouvant être séparées, la première partie 80 étant munie dans sa partie inférieure d'une languette élastique rigideThus, as shown in FIGS. 3 and 4, the male connector of the invention comprises two parts: - a support housing 40 comprising two parts 80 eα insulating material and 81 made of metallized material which can be separated, the first part 80 being provided in its lower part of a rigid elastic tongue
41, - un ensemble couvercle 100 comprenant une pièce de raccordement 91 en matière isolante positionnant les fils 43 de la pièce 54 en matière métallisée bloquant le câble 44 de communication et d'un couvercle 42 en matière métallisée. Le boîtier support 40 comprend dans sa partie avant 80 une cavité 45 dans laquelle peut être disposé un circuit imprimé 46 qui repose alors dans sa partie avant sur des parois inclinées 47 de la partie avant 80, et dans ses parties arrière et centrale sur des ergots 48 et 48' de la partie arrière 81. Dans sa partie arrière, le circuit imprimé 46 est inséré dans la gorge 78 d'une butée 79 solidaire du corps 81. Sur la partie avant 80, la cavité 45 débouche vers l'extérieur par des gorges de guidage 49 permettant de bien guider les contacts du connecteur femelle vers les contacts du circuit imprimé 46 correspondant.41, - a cover assembly 100 comprising a connecting piece 91 of insulating material positioning the wires 43 of the piece 54 of metallized material blocking the communication cable 44 and of a cover 42 of metallized material. The support housing 40 comprises in its front part 80 a cavity 45 in which a printed circuit 46 can be arranged which then rests in its front part on inclined walls 47 of the front part 80, and in its rear and central parts on lugs 48 and 48 ′ of the rear part 81. In its rear part, the printed circuit 46 is inserted into the groove 78 of a stop 79 secured to the body 81. On the front part 80, the cavity 45 opens outwards through guide grooves 49 making it possible to properly guide the contacts of the female connector towards the contacts of the corresponding printed circuit 46.
Le boîtier 40 est donc constitué de deux parties : une pièce 80 ou tète de connexion et une pièce 81 ou corps, qui peut être métallisé entièrement assurant ainsi la protection des données transmises contre les émissions d'ondes électromagnétique ou de l'électricité statique.The housing 40 therefore consists of two parts: a part 80 or connection head and a part 81 or body, which can be fully metallized thus ensuring the protection of the data transmitted against the emissions of electromagnetic waves or static electricity.
La tète de connexion 80 possède une cavité 82 permettant de recevoir un ergot 83 du corps 81. Cet ergot permet de positionner les deux pièces entre elles. Le circuit imprimé 46 assure entre les deux pièces 80 et 81 un guidage transversal.The connection head 80 has a cavity 82 making it possible to receive a lug 83 of the body 81. This lug makes it possible to position the two parts between them. The printed circuit 46 provides between the two parts 80 and 81 a transverse guide.
Le maintien de la pièce 80 sur la pièce 81 est réalisé par les languettes 84 et 85. Ces languettes prennent appui sur des faces inclinées 86 et 87 de la pièce 81 par l'intermédiaire des faces 88 et 89 de manière à permettre ce maintien.The retention of the part 80 on the part 81 is achieved by the tongues 84 and 85. These tongues bear on inclined faces 86 and 87 of the part 81 via the faces 88 and 89 so as to allow this maintenance.
En fonctionnement normal, le connecteur ne peut reculer, il est bloqué en position retrait par une butée sur le connecteur femelle qui prend appui sur une face 51 de la languette 41. Une traction sur le câble du connecteur rend solidaires le connecteur mâle et le connecteur femelle. Comme dans le connecteur de l'art antérieur, la languette 41 est rendue solidaire du support par une embase plane 50, plus large que la languette. Cette languette 41 et cette embase 50 sont inclinées. L'embase 50 qui relie la languette 41 au support 40 comporte un épaulement transversal 51 permettant, en fin d'insertion, le verrouillage du connecteur mâle dans le connecteur femelle qui n'a pas été représenté sur la figure 3, mais qui apparaît schématiquement sur la figure 2.In normal operation, the connector cannot move back, it is locked in the retracted position by a stop on the female connector which bears on one face 51 of the tongue 41. A pull on the connector cable makes the male connector and the connector integral female. As in the connector of the prior art, the tongue 41 is made integral with the support by a flat base 50, wider than the tongue. This tongue 41 and this base 50 are inclined. The base 50 which connects the tongue 41 to the support 40 has a transverse shoulder 51 allowing, at the end of insertion, the locking of the male connector in the female connector which has not been shown in FIG. 3, but which appears diagrammatically in figure 2.
Le couvercle 42 comporte une partie arrière par laquelle peut être introduite l'extrémité du câble 44 dont la gaine a été enlevée pour libérer l'extrémité des fils 43. Dans sa partie avant, le couvercle 42 rejoint la pièce 91 munie de logements 70 pour les extrémités de fils reliés à la partie arrière par une portée inclinée 52.The cover 42 has a rear part through which the end of the cable 44 can be introduced, the sheath of which has been removed to release the end of the wires 43. In its front part, the cover 42 joins the part 91 provided with housings 70 for the ends of the wires connected to the rear part by an inclined span 52.
Dans sa partie arrière, le couvercle 42 comprend deux parois latérales munies de crémaillères internes 53 entre lesquelles peut être introduite une pièce de blocage 54 du cable, munie de crémaillères externes 55 prévues pour s'adapter aux crémaillères internes 53 du couvercle 42. Cette pièce de blocage 54 comprend également, sur chacune de ses faces latérales, un ergot 56: prévu pour se déplacer dans une rainure 57 réalisée dan» chaque crémaillère du couvercle 42. Le couvercle 42 comporte des fentes latérales 60 lui permettant de s'adapter aux parois du support 40. Il comprend également des rainures verticales 61 prévues pour venir s'adapter respectivement sur des saillies verticales 62 situées sur les faces latérales dudit support 40.In its rear part, the cover 42 comprises two side walls provided with internal racks 53 between which can be inserted a blocking piece 54 of the cable, provided with external racks 55 provided to adapt to the internal racks 53 of the cover 42. This piece 54 also includes, on each of its lateral faces, a lug 56: designed to move in a groove 57 made in each rack of the cover 42. The cover 42 has lateral slots 60 allowing it to adapt to the walls of the support 40. It also comprises vertical grooves 61 intended to come to be fitted respectively on vertical projections 62 situated on the lateral faces of said support 40.
Le connecteur m&le forme donc un ensemble déformable qui peut se scinder en deux : la pièce 80 qui comprend la languette 41 et le corps 81. Le connecteur mâle étant en position assemblée représentée sur la figure 4, les faces 88 et 89 de la tête de connexion 80 sont en contact avec les faces 86 et 87 du corps 81. Une traction sur le c&ble plaque le connecteur m&le sur le connecteur femelle par l'intermédiaire de la surface 51, un effort de traction tend à écarter les pièces 80 et 81. Les faces d'appui (86, 87, 88, 89) entre ces deux pièces sont inclinées à l'effort. Ce dernier peut se décomposer en une composante parallèle à l'effort de traction et une composante perpendiculaire à l'effort de traction. La composante perpendiculaire a tendance à rapprocher les deux languettes 84 et 85 l'une de l'autre et donc de permettre à la pièce 80 de se désolidariser de la pièce 81, et donc de l'ensemble du connecteur m&le.The m & connector therefore forms a deformable assembly which can be split into two: part 80 which includes the tongue 41 and the body 81. The male connector being in the assembled position shown in FIG. 4, the faces 88 and 89 of the connection head 80 are in contact with the faces 86 and 87 of the body 81. A pull on the cable plates the m & le connector on the female connector via the surface 51, a tensile force tends to spread the parts 80 and 81 apart. The bearing faces (86, 87, 88, 89) between these two parts are inclined to effort. The latter can be broken down into a component parallel to the tensile force and a component perpendicular to the tensile force. The perpendicular component tends to bring the two tongues 84 and 85 closer to one another and therefore to allow the part 80 to separate from the part 81, and therefore from the assembly of the connector m & le.
Dans la suite de la description, pour simplifier l'explication, on parlera de support 40 pour désigner l'ensemble des deux parties 80 et 81 solidarisées entre elles.In the following description, to simplify the explanation, we will speak of support 40 to designate all of the two parts 80 and 81 secured together.
Le circuit imprimé 46, tel que représenté sur la figure 5 comporte des pistes conductrices 64 à l'extrémité desquelles des contacts 65 en forme de fourches, par exemple à trois branches 66 peuvent être introduits dans des trous métallisée 67. Ces contacts sont disposés en quinconce selon deux lignes transversales. Une fois le circuit imprimé 46 disposé dans le support 40, chaque contact est situé au-dessous de l'extrémité d'un fil 43 de manière telle que lors de l'enfoncement de l'ensemble couvercle 100 sur le support 40, chaque extrémité de fil 43 soit sertie entre les branches 66 d'un contact 65.The printed circuit 46, as shown in FIG. 5 comprises conductive tracks 64 at the end of which contacts 65 in the form of forks, for example with three branches 66 can be introduced into metallized holes 67. These contacts are arranged in staggered along two transverse lines. Once the printed circuit 46 is placed in the support 40, each contact is located below the end of a wire 43 so that when the cover assembly 100 is pressed on the support 40, each end of wire 43 is crimped between the arms 66 of a contact 65.
Chaque contact 65 comprend au moins deux branches 66 munies chacune sur sa (ou ses) face(s) interne(s) d'au moins une aspérité 68 destinée à déchirer la gaine du fil 43 et ainsi réaliser un contact avec l'âme du fil.Each contact 65 comprises at least two branches 66 each provided on its (or its) internal face (s) at least one roughness 68 intended to tear the sheath of the wire 43 and thus make contact with the core of the wire.
Ces contacts sont donc rapportés à la surface du circuit imprimé 46 qui comporte des pistes imprimées 64 permettant de réaliser le contact avec les bornes respectives du connecteur femelle. Ces contacts sont réalisés en un matériau conducteur dur, par exemple du bronze-béryllium. Avantageusement, le câble 44 peut comprendre un écran et un drain, fil non isolé qui longe l'écran ; le couvercle 42, la pièce 81 du support 40 et la pièce de blocage 54 peuvent alors être métallisés et reliés électriquement par contact à cet écran et à ce drain afin de protéger la transmission de données des émissions d'ondes électromagnétiques ou de l'électricité statique.These contacts are therefore attached to the surface of the printed circuit 46 which includes printed tracks 64 making it possible to make contact with the respective terminals of the female connector. These contacts are made of a hard conductive material, for example bronze-beryllium. Advantageously, the cable 44 can comprise a screen and a drain, a non-insulated wire which runs along the screen; the cover 42, the part 81 of the support 40 and the blocking part 54 can then be metallized and electrically connected by contact to this screen and to this drain in order to protect the transmission of data from the emissions of electromagnetic waves or electricity static.
Sur les figures 3 et 4, le support 40 et l'ensemble couvercle 100 sont représentés en deux positions distinctes et consécutives : en une première position dans laquelle ils sont séparés, en une seconde position dans laquelle ils sont rendus solidaires l'un de l'autre.In FIGS. 3 and 4, the support 40 and the cover assembly 100 are shown in two distinct and consecutive positions: in a first position in which they are separated, in a second position in which they are made integral one of the 'other.
On peut proposer une autre répartition des pièces de l'ensemble, en se basant sur deux fonctions :We can propose another distribution of the parts of the assembly, based on two functions:
- d'une part, les éléments servant au blocage mécanique qui sont le blocage de c&ble 54, le couvercle 42 venant s'emboîter dans le support 81 pour fermer l'ensemble. Ces pièces peuvent être en matière plastique métallisée afin qu'il y ait continuité avec le blindage du câble et le nième point, par exemple le neuvième, du connecteur femelle.- On the one hand, the elements serving for the mechanical blocking which are the blocking of cable 54, the cover 42 fitting into the support 81 to close the assembly. These parts can be made of metallized plastic so that there is continuity with the shielding of the cable and the nth point, for example the ninth, of the female connector.
- d'autre part, les éléments servant au positionnement des pièces extérieures : la pièce de raccordement 91 localise les fils 43 du câble 44 dans les logements 70, la pièce 80 positionne les contacts du connecteur femelle face à chaque piste du circuit imprimé. Ces pièces peuvent être en matière plastique isolante transparente afin de visualiser les divers éléments de connexion, comme la position des fils dans la pièce 91, ou encore le positionnement du circuit imprimé dans la pièce 80, cette dernière ne pouvant être conductrice sous peine de relier les pistes entre elles, auquel cas on aurait un point électrique commun contrairement à ce qui est recherché et qui est d'obtenir la transmission de par exemple huit lignes indépendantes.- on the other hand, the elements used for positioning the external parts: the connection 91 locates the wires 43 of the cable 44 in the housings 70, the part 80 positions the contacts of the female connector facing each track of the printed circuit. These parts can be made of transparent insulating plastic material in order to visualize the various connection elements, such as the position of the wires in part 91, or even the positioning of the printed circuit in part 80, the latter being unable to be conductive on pain of connecting the tracks between them, in which case there would be a common electrical point, contrary to what is sought and which is to obtain the transmission of, for example, eight independent lines.
On va analyser à présent les différentes étapes de mise en place des éléments du connecteur mâle de 1'invention.We will now analyze the different stages of fitting the elements of the male connector of the invention.
1) On monte le boîtier support 40 :1) The support box 40 is mounted:
On soude les contacts 65, ici au nombre de huit, sur le circuit imprimé 46, comme représenté sur la figure 5. On dispose cet ensemble sur les ergots 48 et 48' de la pièce 81 pour venir en butée dans la gorge 78 de la pièce 79. On assemble alors les pièces 80 et 81 pour former le boîtier support 40.The contacts 65 are welded, here eight in number, on the printed circuit 46, as shown in FIG. 5. This assembly is placed on the lugs 48 and 48 'of the part 81 to come into abutment in the groove 78 of the piece 79. The pieces 80 and 81 are then assembled to form the support box 40.
2) On prépare le cable 44 : Le c&ble 44 est mis à la bonne longueur. La gaine est découpée sur une certaine longueur. L'écran de blindage et le drain de câble 44 sont retournés sur le c&ble. Les fils 43 du c&ble 44 sont alors positionnés suivant un code couleur relatif à l'installation ou à une fonction particulière à remplir.2) Cable 44 is prepared: Cable 44 is put at the correct length. The sheath is cut over a certain length. The shielding screen and the cable drain 44 are turned over on the cable. The wires 43 of the cable 44 are then positioned according to a color code relating to the installation or to a particular function to be fulfilled.
3) On assemble la pièce 91 dans le couvercle 42 :3) The part 91 is assembled in the cover 42:
La pièce 91 est guidée dans le couvercle 42 par des ergots latéraux qui se déplacent dans des gorges du couvercle 42 non représentés sur les figures. La liaison entre ces deux pièces 91 et 42 est réalisée par la déformation d'un ergot en forme de triangle 92, par exemple, dont est munie la pièce 91 sur sa partie supérieure, à l'intérieur d'un logement cylindrique 93 du couvercle 42. Cet assemblage est réalisé en force. Les pointes du triangle interfèrent avec la paroi du logement cylindrique, d'où déformation du triangle, et liaison suffisamment importante de ces deux pièces,The part 91 is guided in the cover 42 by lateral pins which move in grooves in the cover 42 not shown in the figures. The connection between these two parts 91 and 42 is achieved by the deformation of a triangle-shaped lug 92, for example, which is provided with the part 91 on its upper part, inside a cylindrical housing 93 of the cover 42 This assembly is carried out by force. The points of the triangle interfere with the wall of the cylindrical housing, hence deformation of the triangle, and sufficiently important connection of these two parts,
4) On met en place les fils 43 : Les fils pré-positionnés les uns par rapport aux autres sont introduits dans les logements de la pièce 91.4) The wires 43 are put in place: The wires pre-positioned with respect to each other are introduced into the housings of the part 91.
5) On bloque le cable 44 :5) We block cable 44:
Le c&ble 44 est bloqué gr&ce à la pièce de blocage 54. Ce blocage est réalisé par un système de type crémaillère. Lors de la mise en place de la pièce 54 et du pincement du c&ble 44, cette pièce 54 et la pièce 42 métallisées se trouvent en contact électrique entre elles, et également avec l'écran et le drain du c&ble 44. De cette façon, on assure le contact électrique entre le blindage du c&ble et les pièces métallisées telles que 54 et 42.The cable 44 is blocked by means of the blocking piece 54. This blocking is achieved by a rack-type system. When the piece 54 is put in place and the cable 44 is pinched, this metallized piece 54 and the piece 42 are in electrical contact with each other, and also with the screen and the drain of the cable 44. In this way, electrical contact is ensured between the cable shield and the metallized parts such as 54 and 42.
6) On finit l'assemblage du connecteur :6) We finish the connector assembly:
Le boîtier support 40 et l'ensemble couvercle 100 relié au cable sont réunis pour concrétiser le produit final. Les deux ensembles sont guidés l'un par rapport à l'autre par les saillies verticales 62 du boîtier 40 et des rainures 61 du couvercle 42. Chaque fil 43 vient en contact avec l'un des contacts 65. Un faible effort est alors nécessaire pour percer l'isolant et faire pénétrer l'âme de chaque fil entre les branches 66 d'un contact 65. Lorsque les deux ensembles sont en position, un léger clip se fait entendre. Ce sont les quatre bossages 72 de la pièce 81 qui viennent se loger dans quatre lumières correspondantes 71 réalisées dans les faces latérales du couvercle 42. Le couvercle métallisé 42 vient en contact avec le support 81 métallisé et la continuité électrique est réalisée entre ces deux pièces et donc entre le support 81 et le drain du câble 44.The support box 40 and the cover assembly 100 connected to the cable are combined to make the final product a reality. The two assemblies are guided relative to each other by the vertical projections 62 of the housing 40 and of the grooves 61 of the cover 42. Each wire 43 comes into contact with one of the contacts 65. A small effort is then necessary to pierce the insulation and make the core of each wire penetrate between the branches 66 of a contact 65. When the two assemblies are in position, a light clip is heard. These are the four bosses 72 of part 81 which are housed in four corresponding slots 71 produced in the lateral faces of the cover 42. The metallized cover 42 comes into contact with the metallized support 81 and electrical continuity is produced between these two parts and therefore between the support 81 and the cable drain 44.
Lorsque le connecteur mâle ainsi formé est introduit dans un connecteur femelle correspondant, on réalise une continuité électrique pour chaque fil du c&ble avec le contact en vis-à-vis du connecteur femelle en passant par le circuit imprimé 46, tout en assurant un blindage électromagnétique au niveau de la connexion.When the male connector thus formed is introduced into a corresponding female connector, an electrical continuity is produced for each wire of the cable with the contact opposite the female connector via the printed circuit 46, while ensuring electromagnetic shielding. at the connection level.
Un tel connecteur présente de nombreux avantages, et notamment :Such a connector has many advantages, and in particular:
- le connecteur m&le ainsi réalisé se scinde en deux parties (partie 80 d'un côté, partie 81, circuit imprimé 46 et ensemble couvercle 100 de l'autre) lors d'une traction intempestive sur le c&ble 44. - la face supérieure du circuit imprimé qui comporte des pistes assurant le contact avec le connecteur femelle, permet un positionnement franc et précis de la surface de contact vis-à-vis d'une référence de connexion définie dans la norme. - la fixation des contacts dans le support est réalisée par une méthode sans contrainte par exemple collage, remplissage de résine, soudage ; de ce fait, aucune contrainte n'est exercée sur le connecteur et la déformation vue de bout est nulle. - la jonction électrique de ce contact avec les fils du c&ble est réalisée sur la partie arrière de ce contact par déplacement des fils sur les contacts, l'effort de connexion n'est plus additionné à l'effort de fixation des contacts. - la liaison avec les fils du câble étant reportée à plusieurs millimètres en arrière de la face avant du connecteur, il est possible d'utiliser des fils avec des diamètres sur isolant différents. En effet, la norme fixe la largeur du connecteur, mais à un certain niveau cette largeur est libre. On peut donc écarter les zones de connexion des fils. On peut donc utiliser des fils avec des jauges de numéro plus faible. De plus, ces fils peuvent être monobrin ou multibrins. Dans une variante de réalisation, le contact peut être réalisé par une borne de connexion, de même type que celle représentée sur la figure 2 ; cette borne ayant alors son extrémité arrière en forme de fourche à plusieurs branches, pour que le fil correspondant puisse être serti de la manière représentée notamment à la figure 5. - the connector m & the thus produced splits into two parts (part 80 on one side, part 81, printed circuit 46 and cover assembly 100 on the other) during an untimely pulling on the cable 44. - the upper face of the printed circuit which includes tracks ensuring contact with the female connector, allows a frank and precise positioning of the contact surface with respect to a connection reference defined in the standard. - The fixing of the contacts in the support is carried out by a method without constraint for example gluing, filling of resin, welding; therefore, no stress is exerted on the connector and the deformation seen from the end is zero. - The electrical junction of this contact with the wires of the cable is made on the rear part of this contact by displacement of the wires on the contacts, the connection effort is no longer added to the contact fixing effort. - the connection with the wires of the cable being carried several millimeters behind the front face of the connector, it is possible to use wires with diameters on different insulation. Indeed, the standard fixes the width of the connector, but at a certain level this width is free. We can therefore discard the wire connection areas. We can therefore use wires with lower number gauges. In addition, these wires can be single-strand or multi-strand. In an alternative embodiment, the contact can be made by a connection terminal, of the same type as that shown in FIG. 2; this terminal then having its rear end in the form of a fork with several branches, so that the corresponding wire can be crimped in the manner shown in particular in FIG. 5.

Claims

REVEHDICATIOHS REVEHDICATIOHS
1. Connecteur m&le déconnectable pour réseau de communication comportant des moyens de connexion entre d'une part les fils (43) correspondant aux lignes d'un cable (44) de communication et d'autre part les bornes d'un connecteur femelle, qui sont reliées aux lignes du réseau de communication lors de 1'insertion dudit connecteur m&le dans le connecteur femelle, et des moyens de verrouillage (41) du connecteur m&le au connecteur femelle, caractérisé en ce que ces moyens de connexion (46, 81 100) et ces moyens de verrouillage (41, 80) peuvent être désolidarisés lors d'une traction sur le c&ble (44) . 1. Connector m & disconnectable for communication network comprising means of connection between on the one hand the wires (43) corresponding to the lines of a communication cable (44) and on the other hand the terminals of a female connector, which are connected to the lines of the communication network during the insertion of said connector m & le into the female connector, and locking means (41) of connector m & le to the female connector, characterized in that these connection means (46, 81 100) and these locking means (41, 80) can be detached during a pull on the cable (44).
2. Connecteur selon la revendication 1, caractérisé en ce que les moyens de verrouillage (41, 80) comportent une tète de connexion (80) munie d'au moins une cavité (82), en ce que les moyens de connexion comportent un corps (81) muni d'un ergot qui entre dans ladite cavité (82) de manière à permettre le positionnement de ces moyens entre eux.2. Connector according to claim 1, characterized in that the locking means (41, 80) comprise a connection head (80) provided with at least one cavity (82), in that the connection means comprise a body (81) provided with a lug which enters said cavity (82) so as to allow the positioning of these means between them.
3. Connecteur selon la revendication 2, caractérisé en ce que la tète de connexion (80) comprend deux languettes latérales (84, 85) comportant chacune une face inclinée (88, 89) proche de son extrémité, et en ce que le corps (81) comprend deux parois latérales inclinées (86, 87) sur lesquelles prennent respectivement appui les faces inclinées des deux languettes lorsque ces deux moyens sont solidaires.3. Connector according to claim 2, characterized in that the connection head (80) comprises two lateral tabs (84, 85) each comprising an inclined face (88, 89) close to its end, and in that the body ( 81) comprises two inclined side walls (86, 87) on which the inclined faces of the two tongues respectively bear when these two means are integral.
4. Connecteur selon la revendication 1, caractérisé en ce que les moyens de connexion sont métallisés.4. Connector according to claim 1, characterized in that the connection means are metallized.
5. Connecteur selon la revendication 1, caractérisé en ce que les moyens de verrouillage sont en plastique transparent.5. Connector according to claim 1, characterized in that the locking means are made of transparent plastic.
6. Connecteur selon l'une quelconque des revendications précédentes, caractérisé en ce que ces moyens de connexion comportent des moyens de raccordement (100) auxdits fils (43) du cable (44) de communication, et d'autre part des moyens de contact (46) par glissement avec les bornes correspondantes du connecteur femelle. 6. Connector according to any one of the preceding claims, characterized in that these connection means comprise connection means (100) to said wires (43) of the communication cable (44), and on the other hand contact means (46) by sliding with the corresponding terminals of the female connector.
7. Connecteur selon la revendication 6, caractérisé en ce que les moyens de raccordement (100) aux file (43) du c&ble (44) de communication sont associés à des moyens de blocage (54) du c&ble (44).7. Connector according to claim 6, characterized in that the connection means (100) to the file (43) of the cable (44) for communication are associated with blocking means (54) of the cable (44).
8. Connecteur selon la revendication 6, caractérisé en ce qu'il comprend un support (40) contenant les moyens de contact (46) et un ensemble couvercle (100) comprenant ces moyens de raccordement, qui s'adapte au-dessus dudit support (40) de manière à réaliser la connexion entre les moyens de contact et les moyens de raccordement, par enfoncement de l'un sur 1'autre.8. A connector according to claim 6, characterized in that it comprises a support (40) containing the contact means (46) and a cover assembly (100) comprising these connection means, which fits above said support. (40) so as to make the connection between the contact means and the connection means, by pressing one on the other.
9. Connecteur selon la revendication 8, caractérisé en ce que les moyens de contact comportent deβ contacts (65) en forme de fourche correspondant respectivement à chaque fil (43), chaque contact étant situé au-dessous de l'extrémité d'un fil (43) de manière telle que lors de 1'enfoncement de 1'ensemble couvercle (100) sur le support (40), chaque extrémité du fil soit sertie dans la fourche d'un contact. 9. Connector according to claim 8, characterized in that the contact means comprise deβ contacts (65) in the form of a fork corresponding respectively to each wire (43), each contact being located below the end of a wire (43) such that when the cover assembly (100) is pressed onto the support (40), each end of the wire is crimped into the fork of a contact.
10. Connecteur selon la revendication 9, caractérisé en ce que chaque contact (65) en forme de fourche comprend au moins deux branches (66) munies chacune sur sa ou ses faces internes d'au moins une aspérité (68) destinée à déchirer la gaine du fil (43) correspondant et ainsi réaliser le contact avec l'âme de celui-ci10. Connector according to claim 9, characterized in that each contact (65) in the form of a fork comprises at least two branches (66) each provided on its internal face or faces with at least one asperity (68) intended to tear the wire sheath (43) corresponding and thus make contact with the soul of it
11. Connecteur selon la revendication 10, caractérisé en ce que chaque contact (65) en forme de fourche peut recevoir des fils (43) de jauges diverses.11. Connector according to claim 10, characterized in that each contact (65) in the form of a fork can receive wires (43) of various gauges.
12. Connecteur selon la revendication 10, caractérisé en ce que ces contacts (65) en forme de fourche sont rapportés à la surface d'un circuit imprimé (46) comportant des pistes imprimées (64) permettant de réaliser le contact avec les bornes respectives du connecteur femelle.12. Connector according to claim 10, characterized in that these contacts (65) in the form of a fork are attached to the surface of a printed circuit (46) comprising printed tracks (64) making it possible to make contact with the respective terminals of the female connector.
13. Connecteur selon la revendication 12, caractérisé en ce qu'il comprend un support (40) muni dans sa partie avant d'une cavité (45) dans laquelle peut être disposé le circuit imprimé (46) qui repose alors dans sa partie avant sur des parois inclinées (47) et dans sa partie arrière sur des ergots (48), cette cavité débouchant vers l'extérieur par des gorges de guidage (49) permettant de bien positionner les contacts du connecteur femelle face aux contacts correspondant au circuit imprimé (46).13. Connector according to claim 12, characterized in that it comprises a support (40) provided in its front part with a cavity (45) in which the printed circuit (46) can be arranged which then rests in its front part on inclined walls (47) and in its rear part on lugs (48), this cavity opening outwards by guide grooves (49) making it possible to correctly position the contacts of the female connector facing the contacts corresponding to the printed circuit (46).
14. Connecteur selon l'une quelconque des revendications 8 à 13, caractérisé en ce que l'ensemble couvercle (100) comprend les moyens de raccordement comportant une pièce de raccordement (91) munie de plusieurs logements (70) dans lesquels sont introduites les extrémités des fils (43) du câble de communication.14. Connector according to any one of claims 8 to 13, characterized in that the cover assembly (100) comprises the connection means comprising a connection piece (91) provided with several housings (70) into which the ends of the wires (43) of the communication cable.
15. Connecteur selon la revendication 14, caractérisé en ce que le couvercle (42) est muni d'une partie arrière par laquelle peut être introduite l'extrémité du câble (44) dont la gaine a été enlevée pour libérer l'extrémité des fils (43), cette partie arrière étant reliée à une partie avant, munie de logements (70) pour recevoir ces extrémités de fils guidés par une portée inclinée (52).15. Connector according to claim 14, characterized in that the cover (42) is provided with a rear part through which the end of the cable (44) can be introduced, the sheath of which has been removed to release the end of the wires. (43), this rear part being connected to a front part, provided with housings (70) for receiving these ends of wires guided by an inclined bearing (52).
16. Connecteur selon la revendication 15, caractérisé en ce que le couvercle (42) est muni dans sa partie arrière de deux parois latérales munies de crémaillères internes (53) entre lesquelles peut être introduite une pièce de blocage (54) du câble, munie de crémaillères externes (55) prévues pour s'adapter aux crémaillères (53) du couvercle (42).16. Connector according to claim 15, characterized in that the cover (42) is provided in its rear part with two side walls provided with internal racks (53) between which a cable blocking piece (54) can be inserted external racks (55) provided to adapt to the racks (53) of the cover (42).
17. Connecteur selon la revendication 16, caractérisé en ce que cette pièce de blocage (54) comprend également, sur chacune de ses faces latérales, un ergot (56) prévu pour se déplacer dans une rainure (57) réalisée dans chaque crémaillère interne du couvercle (42). 17. Connector according to claim 16, characterized in that this blocking piece (54) also comprises, on each of its lateral faces, a lug (56) intended to move in a groove (57) produced in each internal rack of the cover (42).
18. Connecteur selon la revendication 17, caractérisé en ce que le couvercle (42) comporte des fentes latérales (60) lui permettant de s'adapter aux parois du support (40), et des rainures verticales (61) prévues pour venir s'adapter respectivement sur des saillies verticales (62) situées sur les faces latérales dudit support (40).18. Connector according to claim 17, characterized in that the cover (42) has lateral slots (60) allowing it to adapt to the walls of the support (40), and vertical grooves (61) provided to come s' adapt respectively to vertical projections (62) located on the lateral faces of said support (40).
19. Connecteur selon la revendication 10, caractérisé en ce que chaque contact en forme de fourche est la première extrémité d'une borne de connexion partiellement noyée dans le support, et dont la seconde extrémité permet de réaliser le contact avec les bornes respectives du connecteur femelle.19. The connector of claim 10, characterized in that each fork-shaped contact is the first end of a connection terminal partially embedded in the support, and the second end of which makes contact with the respective terminals of the connector female.
20. Connecteur selon l'une quelconque des revendications 8 à 19, caractérisé en ce que le couvercle (42), le corps (81) et la pièce de blocage (54) sont métallisés, et, reliés électriquement par contact avec le drain et l'écran du câble (44), afin de protéger la transmission de données des émissions d'ondes électromagnétiques ou de l'électricité statique. 20. Connector according to any one of claims 8 to 19, characterized in that the cover (42), the body (81) and the blocking part (54) are metallized, and, electrically connected by contact with the drain and the screen of the cable (44), in order to protect the transmission of data from the emissions of electromagnetic waves or static electricity.
EP94906938A 1993-02-10 1994-02-10 Disconnectable male connector for use in a communication network Expired - Lifetime EP0635167B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9301463 1993-02-10
FR9301463A FR2701605B1 (en) 1993-02-10 1993-02-10 Disconnectable male connector for communication network.
PCT/FR1994/000154 WO1994018724A1 (en) 1993-02-10 1994-02-10 Disconnectable male connector for use in a communication network

Publications (2)

Publication Number Publication Date
EP0635167A1 true EP0635167A1 (en) 1995-01-25
EP0635167B1 EP0635167B1 (en) 1999-03-24

Family

ID=9443907

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94906938A Expired - Lifetime EP0635167B1 (en) 1993-02-10 1994-02-10 Disconnectable male connector for use in a communication network

Country Status (11)

Country Link
US (1) US5478252A (en)
EP (1) EP0635167B1 (en)
JP (1) JPH07505975A (en)
KR (1) KR950701147A (en)
CN (1) CN1064182C (en)
CA (1) CA2117791A1 (en)
DE (1) DE69417306T2 (en)
ES (1) ES2129629T3 (en)
FI (1) FI944707A0 (en)
FR (1) FR2701605B1 (en)
WO (1) WO1994018724A1 (en)

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Also Published As

Publication number Publication date
WO1994018724A1 (en) 1994-08-18
FI944707A (en) 1994-10-07
FR2701605B1 (en) 1995-03-31
DE69417306D1 (en) 1999-04-29
US5478252A (en) 1995-12-26
FI944707A0 (en) 1994-10-07
CN1064182C (en) 2001-04-04
KR950701147A (en) 1995-02-20
EP0635167B1 (en) 1999-03-24
DE69417306T2 (en) 1999-09-02
CN1103751A (en) 1995-06-14
CA2117791A1 (en) 1994-08-18
ES2129629T3 (en) 1999-06-16
JPH07505975A (en) 1995-06-29
FR2701605A1 (en) 1994-08-19

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