EP0903808A1 - Connector for electrical conductors and his manufacturing process - Google Patents

Connector for electrical conductors and his manufacturing process Download PDF

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Publication number
EP0903808A1
EP0903808A1 EP98420159A EP98420159A EP0903808A1 EP 0903808 A1 EP0903808 A1 EP 0903808A1 EP 98420159 A EP98420159 A EP 98420159A EP 98420159 A EP98420159 A EP 98420159A EP 0903808 A1 EP0903808 A1 EP 0903808A1
Authority
EP
European Patent Office
Prior art keywords
rib
connector
housings
thread
screw
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.)
Withdrawn
Application number
EP98420159A
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German (de)
French (fr)
Inventor
Claude Senebier
Michel Sage
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.)
Mecelec Industries SAS
Original Assignee
Mecelec Industries SAS
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Filing date
Publication date
Application filed by Mecelec Industries SAS filed Critical Mecelec Industries SAS
Publication of EP0903808A1 publication Critical patent/EP0903808A1/en
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
    • H01R11/09—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations being identical
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/36—Conductive members located under tip of screw
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks

Definitions

  • the invention relates to a connector for conductors. electrical and a method of manufacturing such a connector.
  • connectors comprising at least two receptacles for receiving and immobilizing the end of a driver, these housings being accessible by the same face of the connector, commonly known as the front face.
  • a known connector 151 for example from EP-A-0 311 537, is shown in Figure 6. It includes two holes parallel 152 and 153 each intended to receive the end stripped 154 or 155 from a conductor 156 or 157. Screws 158 and 159 are inserted into threads 160 and 161 perpendicularly at holes 152 and 153. Note that screws 158 and 159 are of different lengths, so they are not interchangeable. The length of the bare parts 154 and 155 must be different because Part 154 should not abut and deform against the screw 161, while the part 155 must be long enough to cooperate with this screw 161. In particular, given the length of the section stripped 155, the positioning of the conductor 157 is delicate because it is done blind over a long length.
  • Another object of the invention is to provide a lighter and simpler connector than those of prior art, therefore of lower cost price.
  • the invention relates to a connector for electrical conductors comprising at least two housing reception and immobilization of the end of a conductor, the housings being accessible by the same face of the connector, said front face, which is inclined relative to the direction of insertion of the ends of the conductors into housing.
  • This connector is characterized in that at least a thread for receiving a locking screw of the end of a conductor is accessible from this face before.
  • the connector according to the invention achieves the aims mentioned above insofar as the entrances to the dwellings of reception and immobilization of the ends of the conductors can be shifted forward thanks to the inclination of the front face.
  • the connector is made from an extruded, sectioned profile according to an oblique plan.
  • This aspect of the invention allows a particularly economical construction of the connector the invention.
  • the angle of inclination of the front face or of the sectioning plane by relative to the direction of introduction of the ends of the conductor is between 30 and 60 °, preferably around 45 °. These tilt angle values allow to obtain an adequate offset of the inlet ports of the housing considered.
  • the connector comprises at least a first rib provided with a tapping for receiving a locking screw, this tapping being shifted forward from the leading edge by one second rib located immediately above the first rib.
  • the offset of the threads for receiving the locking screws allows easy access to these screws without the need to drill a or more ribs located immediately above the rib considered.
  • the connector includes at least three receptacles and immobilization, each housing separation rib being provided with a thread offset forwardly relative to the front edge of another rib located immediately above of the separation rib.
  • the housing dividing ribs include two sails substantially parallel, the tapping of each rib being provided in a first veil, a screw being inserted in this tapping to immobilize the end of a received conductor in a housing without protruding, in the locked position, beyond of the surface of the second veil of the rib facing towards a adjacent accommodation.
  • the screws the individual conductors do not protrude in the housing of neighboring conductors, which avoids deform the stripped end of a conductor being inserted in an adjacent accommodation.
  • the second veil advantageously comprises a recess to the right of the tapping to allow the setting place and operation of the screw.
  • the dwellings are offset from each other in a direction substantially perpendicular to the direction of introduction of the ends of the conductors and perpendicular to the locking screw. This facilitates access to these screws and allows to nest two adjacent connectors.
  • the invention also relates to a manufacturing method a connector as previously described and, more specifically, a process characterized in that it consists in extruding a profile comprising at least two internal channels and cut this profile in a direction oblique to to the extrusion direction.
  • This particularly simple process and economical provides a connector at a lower cost reliable and light.
  • the method also consists to be made, in each rib separating said channels, at minus a thread for receiving a locking screw driver. It can also be provided that the method consists to perform the tapping in a first veil of the rib and to cut a recess in a second veil of the rib at right of this tapping.
  • the connector 1 shown in Figures 1 and 2 includes two housings 2 and 3 for receiving the stripped ends 4 and 5 of two electrical conductors 6 and 7. Two screws 8 and 9 are respectively provided in threads 10 and 11 for immobilize the ends 4 and 5 in the housings 2 and 3.
  • a plate 12 is provided on an upper part of the connector 1 to connect the connector to a fuse, not shown, by means of a cable 13.
  • the front face 1a of the connector 1 is inclined by an angle ⁇ 1 with respect to the direction of insertion of the ends 4 and 5 in the housing 2 and 3 shown by the arrow F.
  • the screws 8 and 9 can be located approximately the same distance from the inputs 2 a and 3 a while being accessible, so that the length of the stripped ends 4 and 5 of the cables 6 and 7 can be substantially identical.
  • the internal thread 11 intended to receive the screw 9 is formed in a rib 14 consisting of a first veil 15 bordering the housing 3 and a second veil, or upper veil, 16 bordering the housing 2. It is noted that the veil 16 has a recess 16 a at the right of the housing 16. In addition, the axis YY 'of the thread 11 is offset forward, that is to say in the direction of the inlet 3 a relative to the front edge 17 a of a second rib 17 bordering the housing 2.
  • the length of the screw 9 is provided so that in tight position, i.e. when the cable is immobilized 7 in the housing 3, the head of the screw 9 does not protrude above of the surface of the web 16 facing the housing 2. Thus, the screw 9 is not likely to interfere with the end 4 conductor 6, when it is in place in the housing 2.
  • screws 8 and 9 can have the same length, which allows you to use only one screw reference with the connector of the invention.
  • the connector 1 is made very simply by extruding an aluminum profile comprising two internal channels, intended to form the housings 2 and 3 and extending in the direction of extrusion, and by cutting this profile according to a direction D 1 which is inclined relative to this direction of extrusion. Indeed, the direction of extrusion is generally parallel to the arrow F, so that the inclination of the direction D 1 results in the desired inclination for the front face 1 a .
  • the threads 10 and 11 are then produced in the ribs 14 and 17.
  • the thread 11 is produced after cutting the recess 16 a in the web 16. It is noted that the angle ⁇ 1 is of the order of 30 °, which gives good accessibility to screw 9.
  • a connector 51 comprises three housings 52, 53 and 53 'for receiving the stripped ends 54, 55 and 55' of three conductors 56, 57 and 57 '.
  • Screws 58, 59 and 59 ' are respectively provided in threads 60, 61 and 61' respectively formed in ribs 67, 64 and 64 '.
  • Recesses 66 a and 66 ' a are provided in the webs 66 and 66' for the passage of the screws 59 and 59 '.
  • the front face 51 a of the connector 51 is inclined, in a direction D 2 relative to the direction of introduction of the ends 54, 55 and 55 'in the housings 52, 53 and 53' represented by the arrow F.
  • the angle ⁇ 2 of inclination of the front face 51 a is of the order of 45 °, so that the total width L 2 of the connector 51 is roughly identical to the total width L 1 of the connector 1 of the embodiment of FIGS. 1 and 2.
  • increasing the value of the angle of inclination of the front face of the connector makes it possible to increase its compactness.
  • the angle ⁇ 2 should not be too great because the threads 61 and 61 'should remain offset forwards with respect to the front edge 67 a or 64 a of the rib 67 or 64 located immediately above of the rib 64 or 64 'in which they are made. In practice, this angle is kept below 60 °.
  • the connector 51 is produced by extruding an aluminum profile comprising three internal channels intended to form the housings 52, 53 and 53 '. This section is sectioned in the direction D 2 , which makes it possible to obtain the angle of inclination ⁇ 2 of the front face 51 a .
  • the manufacturing range of connector 51 is similar to that of connector 1.
  • a connector 101 includes three housings 102, 103 and 103 'of receiving the stripped ends 104, 105 and 105 'of three conductors 106, 107 and 107 '. Screws 108, 109 and 109 'are respectively provided in threads 110, 111 and 111 ' respectively formed in ribs 117, 114 and 114 '.
  • the front face 101 a of the connector 101 is inclined, in a direction D 3 relative to the direction of introduction of the ends 104, 105 and 105 'in the housings 102, 103 and 103' represented by the arrow F.
  • the angle ⁇ 3 of inclination of the front face 101 a is of the order of 60 °.
  • the housing 103 is offset in a direction D 4 perpendicular to the plane of Figure 5. This facilitates access to the screw 109 by a screwdriver T. It is noted that two adjacent connectors can be partially nested one inside the other, which guarantees precise relative positioning of one with respect to the other.
  • This connector is manufactured in a similar manner to the previous ones, the extrusion die of the housing 103 being simply offset in the direction D 4 with respect to those of the housings 102 and 103 '.
  • the angle of inclination ⁇ 1 , ⁇ 2 or ⁇ 3 is acute.
  • the upper edge of the connector is set back relative to its lower edge, which gives access to the locking screws from above.

Abstract

Sloping front holder face allows easy access to each holding screw (8,9).

Description

L'invention a trait à un connecteur pour conducteurs électriques et à un procédé de fabrication d'un tel connecteur.The invention relates to a connector for conductors. electrical and a method of manufacturing such a connector.

Dans le domaine des boítiers d'éclairage public, et plus généralement pour le raccordement de conducteurs électriques, il est connu d'utiliser des connecteurs comprenant au moins deux logements de réception et d'immobilisation de l'extrémité d'un conducteur, ces logements étant accessibles par une même face du connecteur, communément appelée face avant.In the field of public lighting boxes, and more generally for the connection of electrical conductors, it is known to use connectors comprising at least two receptacles for receiving and immobilizing the end of a driver, these housings being accessible by the same face of the connector, commonly known as the front face.

Un connecteur connu 151, par exemple de EP-A-0 311 537, est représenté à la figure 6. Il comprend deux perçages parallèles 152 et 153 destinés à recevoir chacun l'extrémité dénudée 154 ou 155 d'un conducteur 156 ou 157. Des vis 158 et 159 sont insérées dans les taraudages 160 et 161 perpendiculairement aux perçages 152 et 153. On note que les vis 158 et 159 sont de longueurs différentes, de sorte qu'elles ne sont pas interchangeables. La longueur des parties dénudées 154 et 155 doit être prévue différente, car la partie 154 ne doit pas venir buter et se déformer contre la vis 161, alors que la partie 155 doit être assez longue pour coopérer avec cette vis 161. En particulier, compte tenu de la longueur de la partie dénudée 155, le positionnement du conducteur 157 est délicat car il se fait en aveugle sur une grande longueur. De plus, lorsque le système doit être démonté après plusieurs mois, voire plusieurs années de fonctionnement, l'opérateur qui accède au connecteur 151 par le dessus n'a pas de moyen simple ou mémotechnique de savoir à quel conducteur correspond quelle vis. Ainsi, s'il souhaite extraire le conducteur 157, il ne sait pas nécessairement s'il doit dévisser la vis 158 ou la vis 159. Ceci peut conduire à des erreurs de manipulation susceptibles de résulter dans le sectionnement d'une partie dénudée 154 ou 155.A known connector 151, for example from EP-A-0 311 537, is shown in Figure 6. It includes two holes parallel 152 and 153 each intended to receive the end stripped 154 or 155 from a conductor 156 or 157. Screws 158 and 159 are inserted into threads 160 and 161 perpendicularly at holes 152 and 153. Note that screws 158 and 159 are of different lengths, so they are not interchangeable. The length of the bare parts 154 and 155 must be different because Part 154 should not abut and deform against the screw 161, while the part 155 must be long enough to cooperate with this screw 161. In particular, given the length of the section stripped 155, the positioning of the conductor 157 is delicate because it is done blind over a long length. Moreover, when the system must be dismantled after several months, even several years of operation, the operator who access connector 151 from above has no easy way or memotechnics of knowing which driver corresponds which screw. Thus, if it wishes to extract the conductor 157, it does not not necessarily know whether to unscrew the screw 158 or the screw 159. This can lead to handling errors which may result in the sectioning of a bare part 154 or 155.

C'est à ces inconvénients qu'entend plus particulièrement remédier l'invention en proposant un connecteur pour conducteurs électriques du type précité dans lequel le positionnement de chaque conducteur dans son logement correspondant est aisé alors que la mise en place et le serrage des vis de fixation est facile pour un opérateur. Un autre but de l'invention est de fournir un connecteur plus léger et plus simple que ceux de l'art antérieur, donc de prix de revient inférieur.It is to these disadvantages that we hear more particularly remedy the invention by proposing a connector for conductors electrics of the aforementioned type in which the positioning of each driver in his corresponding housing is easy while fitting and tightening the fixing screws is easy for an operator. Another object of the invention is to provide a lighter and simpler connector than those of prior art, therefore of lower cost price.

Dans cet esprit, l'invention concerne un connecteur pour conducteurs électriques comprenant au moins deux logements de réception et d'immobilisation de l'extrémité d'un conducteur, les logements étant accessibles par une même face du connecteur, dite face avant, qui est inclinée par rapport à la direction d'introduction des extrémités des conducteurs dans les logements. Ce connecteur est caractérisé en ce qu'au moins un taraudage de réception d'une vis d'immobilisation de l'extrémité d'un conducteur est accessible par cette face avant.In this spirit, the invention relates to a connector for electrical conductors comprising at least two housing reception and immobilization of the end of a conductor, the housings being accessible by the same face of the connector, said front face, which is inclined relative to the direction of insertion of the ends of the conductors into housing. This connector is characterized in that at least a thread for receiving a locking screw of the end of a conductor is accessible from this face before.

Le connecteur conforme à l'invention atteint les buts précités dans la mesure où les entrées des logements de réception et d'immobilisation des extrémités des conducteurs peuvent être décalées vers l'avant grâce à l'inclinaison de la face avant.The connector according to the invention achieves the aims mentioned above insofar as the entrances to the dwellings of reception and immobilization of the ends of the conductors can be shifted forward thanks to the inclination of the front face.

Selon un premier aspect avantageux de l'invention, le connecteur est réalisé à partir d'un profilé extrudé, tronçonné selon un plan oblique. Cet aspect de l'invention permet une réalisation particulièrement économique du connecteur de l'invention.According to a first advantageous aspect of the invention, the connector is made from an extruded, sectioned profile according to an oblique plan. This aspect of the invention allows a particularly economical construction of the connector the invention.

Selon un autre aspect avantageux de l'invention, l'angle d'inclinaison de la face avant ou du plan de tronçonnage par rapport à la direction d'introduction des extrémités du conducteur est compris entre 30 et 60°, de préférence de l'ordre de 45°. Ces valeurs de l'angle d'inclinaison permettent d'obtenir un décalage adéquat des orifices d'entrées des logements considérés.According to another advantageous aspect of the invention, the angle of inclination of the front face or of the sectioning plane by relative to the direction of introduction of the ends of the conductor is between 30 and 60 °, preferably around 45 °. These tilt angle values allow to obtain an adequate offset of the inlet ports of the housing considered.

Selon un autre aspect avantageux de l'invention, le connecteur comprend au moins une première nervure pourvue d'un taraudage de réception d'une vis de blocage, ce taraudage étant décalé vers l'avant par rapport au bord avant d'une seconde nervure située immédiatement au-dessus de la première nervure. Le décalage des taraudages de réception des vis de blocage permet un accès aisé à ces vis sans nécessiter le perçage d'une ou plusieurs nervures situées immédiatement au-dessus de la nervure considérée.According to another advantageous aspect of the invention, the connector comprises at least a first rib provided with a tapping for receiving a locking screw, this tapping being shifted forward from the leading edge by one second rib located immediately above the first rib. The offset of the threads for receiving the locking screws allows easy access to these screws without the need to drill a or more ribs located immediately above the rib considered.

Selon un autre aspect avantageux de l'invention, le connecteur comprend au moins trois logements de réception et d'immobilisation, chaque nervure de séparation de logement étant pourvue d'un taraudage décalé vers l'avant par rapport au bord avant d'une autre nervure située immédiatement au-dessus de la nervure de séparation.According to another advantageous aspect of the invention, the connector includes at least three receptacles and immobilization, each housing separation rib being provided with a thread offset forwardly relative to the front edge of another rib located immediately above of the separation rib.

Selon une réalisation pratique de l'invention, les nervures de séparation des logements comprennent deux voiles sensiblement parallèles, le taraudage de chaque nervure étant prévu dans un premier voile, une vis étant insérée dans ce taraudage pour immobiliser l'extrémité d'un conducteur reçu dans un logement sans dépasser, en position de blocage, au-delà de la surface du second voile de la nervure tournée vers un logement adjacent. Grâce à cet aspect de l'invention, les vis d'immobilisation des différents conducteurs ne font pas saillie dans les logements des conducteurs voisins, ce qui évite de déformer l'extrémité dénudée d'un conducteur en cours d'introduction dans un logement adjacent.According to a practical embodiment of the invention, the housing dividing ribs include two sails substantially parallel, the tapping of each rib being provided in a first veil, a screw being inserted in this tapping to immobilize the end of a received conductor in a housing without protruding, in the locked position, beyond of the surface of the second veil of the rib facing towards a adjacent accommodation. Thanks to this aspect of the invention, the screws the individual conductors do not protrude in the housing of neighboring conductors, which avoids deform the stripped end of a conductor being inserted in an adjacent accommodation.

Dans ce cas, le second voile comprend avantageusement un évidement au droit du taraudage afin de permettre la mise en place et la manoeuvre de la vis.In this case, the second veil advantageously comprises a recess to the right of the tapping to allow the setting place and operation of the screw.

Selon une variante avantageuse de l'invention, les logements sont décalés les uns par rapport aux autres dans une direction sensiblement perpendiculaire à la direction d'introduction des extrémités des conducteurs et perpendiculaire aux vis de blocage. Ceci facilite l'accès à ces vis et permet d'imbriquer deux connecteurs adjacents.According to an advantageous variant of the invention, the dwellings are offset from each other in a direction substantially perpendicular to the direction of introduction of the ends of the conductors and perpendicular to the locking screw. This facilitates access to these screws and allows to nest two adjacent connectors.

L'invention concerne également un procédé de fabrication d'un connecteur tel que précédemment décrit et, plus spécifiquement, un procédé caractérisé en ce qu'il consiste à extruder un profilé comprenant au moins deux canaux internes et à tronçonner ce profilé selon une direction oblique par rapport à la direction d'extrusion. Ce procédé particulièrement simple et économique permet d'obtenir, à moindre coût, un connecteur fiable et léger.The invention also relates to a manufacturing method a connector as previously described and, more specifically, a process characterized in that it consists in extruding a profile comprising at least two internal channels and cut this profile in a direction oblique to to the extrusion direction. This particularly simple process and economical provides a connector at a lower cost reliable and light.

Selon un aspect avantageux, le procédé consiste également à réaliser, dans chaque nervure séparant lesdits canaux, au moins un taraudage de réception d'une vis d'immobilisation de conducteur. On peut également prévoir que le procédé consiste à réaliser le taraudage dans un premier voile de la nervure et à découper un évidement dans un second voile de la nervure au droit de ce taraudage.According to an advantageous aspect, the method also consists to be made, in each rib separating said channels, at minus a thread for receiving a locking screw driver. It can also be provided that the method consists to perform the tapping in a first veil of the rib and to cut a recess in a second veil of the rib at right of this tapping.

L'invention sera mieux comprise et d'autres avantages de celle-ci apparaítront plus clairement à la lumière de la description qui va suivre de deux modes de réalisation d'un connecteur pour conducteurs électriques conforme à son principe, donnée uniquement à titre d'exemple et faite en référence aux dessins annexés dans lesquels :

  • la figure 1 est une vue en perspective d'un connecteur conforme à un premier mode de réalisation de l'invention ;
  • la figure 2 est une coupe longitudinale du connecteur de la figure 1 ;
  • la figure 3 est une coupe analogue à la figure 2 pour un connecteur conforme à un second mode de réalisation de l'invention ;
  • la figure 4 est une vue de face d'un connecteur conforme à un troisième mode de réalisation de l'invention ;
  • la figure 5 en est une coupe longitudinale selon le plan V-V à la figure 4 ;
  • la figure 6 est une vue analogue à la figure 2 pour un connecteur conforme à l'art antérieur.
The invention will be better understood and other advantages thereof will appear more clearly in the light of the following description of two embodiments of a connector for electrical conductors in accordance with its principle, given solely by way of example and made with reference to the accompanying drawings in which:
  • Figure 1 is a perspective view of a connector according to a first embodiment of the invention;
  • Figure 2 is a longitudinal section of the connector of Figure 1;
  • Figure 3 is a section similar to Figure 2 for a connector according to a second embodiment of the invention;
  • Figure 4 is a front view of a connector according to a third embodiment of the invention;
  • Figure 5 is a longitudinal section along the plane VV in Figure 4;
  • Figure 6 is a view similar to Figure 2 for a connector according to the prior art.

Le connecteur 1 représenté aux figures 1 et 2 comprend deux logements 2 et 3 de réception des extrémités dénudées 4 et 5 de deux conducteurs électriques 6 et 7. Deux vis 8 et 9 sont respectivement prévues dans des taraudages 10 et 11 pour immobiliser les extrémités 4 et 5 dans les logements 2 et 3. Une platine 12 est prévue sur une partie supérieure du connecteur 1 pour relier le connecteur à un fusible, non représenté, au moyen d'un câble 13.The connector 1 shown in Figures 1 and 2 includes two housings 2 and 3 for receiving the stripped ends 4 and 5 of two electrical conductors 6 and 7. Two screws 8 and 9 are respectively provided in threads 10 and 11 for immobilize the ends 4 and 5 in the housings 2 and 3. A plate 12 is provided on an upper part of the connector 1 to connect the connector to a fuse, not shown, by means of a cable 13.

Conformément à l'invention, la face avant 1a du connecteur 1 est inclinée d'un angle α1 par rapport à la direction d'introduction des extrémités 4 et 5 dans les logements 2 et 3 représentée par la flèche F.According to the invention, the front face 1a of the connector 1 is inclined by an angle α 1 with respect to the direction of insertion of the ends 4 and 5 in the housing 2 and 3 shown by the arrow F.

Grâce à l'inclinaison de la surface 1a, les entrées 2a et 3a des logements 2 et 3 sont décalées de part et d'autre d'un axe XX' passant par le centre de la face avant 1a et globalement perpendiculaire à la flèche F. Ainsi, les vis 8 et 9 peuvent être situées approximativement à la même distance des entrées 2a et 3a tout en étant accessibles, de sorte que la longueur des extrémités dénudées 4 et 5 des câbles 6 et 7 peut être sensiblement identique.Thanks to the inclination of the surface 1a, has inputs 2 and 3 of the housing 2 and 3 are offset on either side of an axis XX 'passing through the center of the front face 1a and generally perpendicular at arrow F. Thus, the screws 8 and 9 can be located approximately the same distance from the inputs 2 a and 3 a while being accessible, so that the length of the stripped ends 4 and 5 of the cables 6 and 7 can be substantially identical.

Le taraudage 11 destiné à recevoir la vis 9 est ménagé dans une nervure 14 constituée d'un premier voile 15 bordant le logement 3 et d'un second voile, ou voile supérieur, 16 bordant le logement 2. On note que le voile 16 présente un évidement 16a au droit du logement 16. De plus, l'axe YY' du taraudage 11 est décalé vers l'avant, c'est-à-dire en direction de l'entrée 3a par rapport au bord avant 17a d'une seconde nervure 17 bordant le logement 2. Ainsi, lorsque l'extrémité 4 du conducteur 6 n'est pas immobilisée dans le logement 2, il est possible d'accéder à la tête de la vis 9 sans interférer avec la nervure 17. Il est même possible d'accéder à la tête de la vis 9 lorsque l'extrémité 4 du conducteur 6 est en place en repoussant latéralement cette extrémité avec la pointe d'un tournevis.The internal thread 11 intended to receive the screw 9 is formed in a rib 14 consisting of a first veil 15 bordering the housing 3 and a second veil, or upper veil, 16 bordering the housing 2. It is noted that the veil 16 has a recess 16 a at the right of the housing 16. In addition, the axis YY 'of the thread 11 is offset forward, that is to say in the direction of the inlet 3 a relative to the front edge 17 a of a second rib 17 bordering the housing 2. Thus, when the end 4 of the conductor 6 is not immobilized in the housing 2, it is possible to access the head of the screw 9 without interfering with the rib 17 It is even possible to access the head of the screw 9 when the end 4 of the conductor 6 is in place by pushing this end laterally with the tip of a screwdriver.

On prévoit la longueur de la vis 9 de telle sorte qu'en position serrée, c'est-à-dire lors de l'immobilisation du câble 7 dans le logement 3, la tête de la vis 9 ne dépasse pas au-dessus de la surface du voile 16 tournée vers le logement 2. Ainsi, la vis 9 ne risque pas d'interférer avec l'extrémité 4 du conducteur 6, lorsque celle-ci est mise en place dans le logement 2.The length of the screw 9 is provided so that in tight position, i.e. when the cable is immobilized 7 in the housing 3, the head of the screw 9 does not protrude above of the surface of the web 16 facing the housing 2. Thus, the screw 9 is not likely to interfere with the end 4 conductor 6, when it is in place in the housing 2.

On note que les vis 8 et 9 peuvent avoir la même longueur, ce qui permet de n'utiliser qu'une référence de vis avec le connecteur de l'invention.We note that the screws 8 and 9 can have the same length, which allows you to use only one screw reference with the connector of the invention.

Le connecteur 1 est fabriqué de façon très simple par extrusion d'un profilé d'aluminium comprenant deux canaux internes, destinés à former les logements 2 et 3 et s'étendant dans la direction d'extrusion, et par tronçonnage de ce profilé selon une direction D1 qui est inclinée par rapport à cette direction d'extrusion. En effet, la direction d'extrusion est globalement parallèle à la flèche F, de sorte que l'inclinaison de la direction D1 résulte dans l'inclinaison voulue pour la face avant 1a. On réalise ensuite dans les nervures 14 et 17 les taraudages 10 et 11. Le taraudage 11 est réalisé après découpage de l'évidement 16a dans le voile 16. On note que l'angle α1 est de l'ordre de 30°, ce qui donne une bonne accessibilité à la vis 9.The connector 1 is made very simply by extruding an aluminum profile comprising two internal channels, intended to form the housings 2 and 3 and extending in the direction of extrusion, and by cutting this profile according to a direction D 1 which is inclined relative to this direction of extrusion. Indeed, the direction of extrusion is generally parallel to the arrow F, so that the inclination of the direction D 1 results in the desired inclination for the front face 1 a . The threads 10 and 11 are then produced in the ribs 14 and 17. The thread 11 is produced after cutting the recess 16 a in the web 16. It is noted that the angle α 1 is of the order of 30 °, which gives good accessibility to screw 9.

Dans le second mode de réalisation de l'invention représenté à la figure 3, les éléments analogues à ceux du mode de réalisation des figures 1 et 2 portent des références identiques augmentées de 50. Dans ce mode de réalisation, un connecteur 51 comprend trois logements 52, 53 et 53' de réception des extrémités dénudées 54, 55 et 55' de trois conducteurs 56, 57 et 57'. Des vis 58, 59 et 59' sont respectivement prévues dans des taraudages 60, 61 et 61' respectivement ménagés dans des nervures 67, 64 et 64'. Les nervures 64 et 64' sont chacune constituées de deux voiles 65 et 66, respectivement 65' et 66', sensiblement parallèles. Des évidements 66a et 66'a sont prévus dans les voiles 66 et 66' pour le passage des vis 59 et 59'.In the second embodiment of the invention shown in Figure 3, elements similar to those of the embodiment of Figures 1 and 2 bear identical references increased by 50. In this embodiment, a connector 51 comprises three housings 52, 53 and 53 'for receiving the stripped ends 54, 55 and 55' of three conductors 56, 57 and 57 '. Screws 58, 59 and 59 'are respectively provided in threads 60, 61 and 61' respectively formed in ribs 67, 64 and 64 '. The ribs 64 and 64 'each consist of two walls 65 and 66, respectively 65' and 66 ', substantially parallel. Recesses 66 a and 66 ' a are provided in the webs 66 and 66' for the passage of the screws 59 and 59 '.

Comme précédemment, la face avant 51a du connecteur 51 est inclinée, selon une direction D2 par rapport à la direction d'introduction des extrémités 54, 55 et 55' dans les logements 52, 53 et 53' représentée par la flèche F. Dans ce cas, l'angle α2 d'inclinaison de la face avant 51a est de l'ordre de 45°, de sorte que la largeur totale L2 du connecteur 51 est à peu près identique à la largeur totale L1 du connecteur 1 du mode de réalisation des figures 1 et 2. En d'autres termes, l'augmentation de la valeur de l'angle d'inclinaison de la face avant du connecteur permet d'augmenter sa compacité.As before, the front face 51 a of the connector 51 is inclined, in a direction D 2 relative to the direction of introduction of the ends 54, 55 and 55 'in the housings 52, 53 and 53' represented by the arrow F. In this case, the angle α 2 of inclination of the front face 51 a is of the order of 45 °, so that the total width L 2 of the connector 51 is roughly identical to the total width L 1 of the connector 1 of the embodiment of FIGS. 1 and 2. In other words, increasing the value of the angle of inclination of the front face of the connector makes it possible to increase its compactness.

Cependant, l'angle α2 ne doit pas être trop important car il convient que les taraudages 61 et 61' demeurent décalés vers l'avant par rapport au bord avant 67a ou 64a de la nervure 67 ou 64 située immédiatement au-dessus de la nervure 64 ou 64' dans laquelle ils sont réalisés. En pratique, cet angle est maintenu inférieur à 60°.However, the angle α 2 should not be too great because the threads 61 and 61 'should remain offset forwards with respect to the front edge 67 a or 64 a of the rib 67 or 64 located immediately above of the rib 64 or 64 'in which they are made. In practice, this angle is kept below 60 °.

Comme précédemment, le connecteur 51 est réalisé par extrusion d'un profilé d'aluminium comprenant trois canaux internes destinés à former les logements 52, 53 et 53'. On tronçonne ce profilé selon la direction D2, ce qui permet d'obtenir l'angle d'inclinaison α2 de la face avant 51a. La gamme de fabrication du connecteur 51 est analogue à celle du connecteur 1.As before, the connector 51 is produced by extruding an aluminum profile comprising three internal channels intended to form the housings 52, 53 and 53 '. This section is sectioned in the direction D 2 , which makes it possible to obtain the angle of inclination α 2 of the front face 51 a . The manufacturing range of connector 51 is similar to that of connector 1.

Dans le troisième mode de réalisation de l'invention représenté aux figures 4 et 5, les éléments analogues à ceux du mode de réalisation des figures 1 et 2 portent des références analogues augmentées de 100. Dans ce mode de réalisation, un connecteur 101 comprend trois logements 102, 103 et 103' de réception des extrémités dénudées 104, 105 et 105' de trois conducteurs 106, 107 et 107'. Des vis 108, 109 et 109' sont respectivement prévues dans des taraudages 110, 111 et 111' respectivement ménagés dans des nervures 117, 114 et 114'.In the third embodiment of the invention shown in Figures 4 and 5, elements similar to those of embodiment of Figures 1 and 2 bear references analogs increased by 100. In this embodiment, a connector 101 includes three housings 102, 103 and 103 'of receiving the stripped ends 104, 105 and 105 'of three conductors 106, 107 and 107 '. Screws 108, 109 and 109 'are respectively provided in threads 110, 111 and 111 ' respectively formed in ribs 117, 114 and 114 '.

Comme précédemment, la face avant 101a du connecteur 101 est inclinée, selon une direction D3 par rapport à la direction d'introduction des extrémités 104, 105 et 105' dans les logements 102, 103 et 103' représentée par la flèche F. Dans ce cas, l'angle α3 d'inclinaison de la face avant 101a est de l'ordre de 60°.As before, the front face 101 a of the connector 101 is inclined, in a direction D 3 relative to the direction of introduction of the ends 104, 105 and 105 'in the housings 102, 103 and 103' represented by the arrow F. In this case, the angle α 3 of inclination of the front face 101 a is of the order of 60 °.

Comme il apparaít plus clairement à la figure 4, le logement 103 est décalé dans une direction D4 perpendiculaire au plan de la figure 5. Ceci facilite l'accès à la vis 109 par un tournevis T. On note que deux connecteurs adjacents peuvent être partiellement imbriqués l'un dans l'autre, ce qui garantit un positionnement relatif précis de l'un par rapport à l'autre.As appears more clearly in Figure 4, the housing 103 is offset in a direction D 4 perpendicular to the plane of Figure 5. This facilitates access to the screw 109 by a screwdriver T. It is noted that two adjacent connectors can be partially nested one inside the other, which guarantees precise relative positioning of one with respect to the other.

Ce connecteur est fabriqué d'une façon analogue aux précédents, la filière d'extrusion du logement 103 étant simplement décalée dans la direction D4 par rapport à celles des logements 102 et 103'.This connector is manufactured in a similar manner to the previous ones, the extrusion die of the housing 103 being simply offset in the direction D 4 with respect to those of the housings 102 and 103 '.

Quel que soit le mode de réalisation de l'invention envisagé, l'angle d'inclinaison α1, α2 ou α3 est aigu. Ainsi, le bord supérieur du connecteur est en retrait par rapport à son bord inférieur, ce qui permet d'accéder aux vis de blocage par le dessus.Whatever the embodiment of the invention envisaged, the angle of inclination α 1 , α 2 or α 3 is acute. Thus, the upper edge of the connector is set back relative to its lower edge, which gives access to the locking screws from above.

Claims (11)

Connecteur (1 ; 51 ; 101) pour conducteurs électriques (6, 7 ; 56, 57, 57' ; 106, 107, 107') comprenant au moins deux logements (2, 3 ; 52, 53, 53' ; 102, 103, 103') de réception et d'immobilisation de l'extrémité (4, 5 ; 54, 55, 55' ; 104, 105, 105') d'un conducteur, lesdits logements étant accessibles par une même face dudit connecteur, dite face avant (1a, 51a, 101a), inclinée (α1, α2, α3) par rapport à la direction (F) d'introduction desdites extrémités desdits conducteurs dans lesdits logements, caractérisé en ce qu'au moins un taraudage (11 ; 61, 61' ; 111, 111') de réception d'une vis (9 ; 59 ; 59' ; 109, 109') d'immobilisation de l'extrémité (5 ; 55, 55' ; 105, 105') d'un conducteur est accessible par ladite face avant (1a ; 51a ; 101a).Connector (1; 51; 101) for electrical conductors (6, 7; 56, 57, 57 '; 106, 107, 107') comprising at least two housings (2, 3; 52, 53, 53 '; 102, 103 , 103 ') for receiving and immobilizing the end (4, 5; 54, 55, 55'; 104, 105, 105 ') of a conductor, said housings being accessible by the same face of said connector, called front face (1 a , 51 a , 101 a ), inclined (α 1 , α 2 , α 3 ) relative to the direction (F) of introduction of said ends of said conductors into said housings, characterized in that at least a thread (11; 61, 61 '; 111, 111') for receiving a screw (9; 59; 59 '; 109, 109') immobilizing the end (5; 55, 55 '; 105 , 105 ') of a conductor is accessible by said front face (1 a ; 51 a ; 101 a ). Connecteur selon la revendication 1, caractérisé en ce qu'il est réalisé à partir d'un profilé extrudé, tronçonné selon un plan oblique (D1, D2, D3).Connector according to claim 1, characterized in that it is produced from an extruded profile, sectioned along an oblique plane (D 1 , D 2 , D 3 ). Connecteur selon la revendication 1 ou 2, caractérisé en ce que l'angle (α1, α2, α3) d'inclinaison de ladite face avant (1a, 51a, 101a) ou dudit plan de tronçonnage (D1, D2, D3) par rapport à ladite direction d'introduction (F) est compris entre 30 et 60°, de préférence de l'ordre de 45°.Connector according to claim 1 or 2, characterized in that the angle (α 1 , α 2 , α 3 ) of inclination of said front face (1 a , 51 a , 101 a ) or of said cutting plane (D 1 , D 2 , D 3 ) relative to said direction of introduction (F) is between 30 and 60 °, preferably of the order of 45 °. Connecteur selon l'une des revendications précédentes, caractérisé en ce qu'il comprend au moins une première nervure (14 ; 64, 64' ; 114, 114') pourvue d'un taraudage (11 ; 61, 61' ; 111, 111') de réception d'une vis de blocage (9 ; 59, 59' ; 109, 109'), ledit taraudage étant décalé vers l'avant par rapport au bord avant (17a ; 64a, 67a) d'une seconde nervure (17 ; 64, 67 ; 114, 117) située immédiatement au-dessus de ladite première nervure.Connector according to one of the preceding claims, characterized in that it comprises at least one first rib (14; 64, 64 '; 114, 114') provided with a thread (11; 61, 61 '; 111, 111 ') receiving a locking screw (9; 59, 59'; 109, 109 '), said thread being offset forward relative to the front edge (17 a ; 64 a , 67 a ) by second rib (17; 64, 67; 114, 117) located immediately above said first rib. Connecteur selon la revendication 4, caractérisé en ce qu'il comprend au moins trois logements (52, 53, 53' ; 114, 114') de réception et d'immobilisation, chaque nervure (64, 64' ; 102, 103, 103') de séparation desdits logements étant pourvue d'un taraudage (61, 61' ; 111, 111') décalé vers l'avant par rapport au bord avant (64a, 67a) d'une autre nervure (64, 67 ; 114, 117) située immédiatement au-dessus de ladite nervure de séparation.Connector according to claim 4, characterized in that it comprises at least three housings (52, 53, 53 '; 114, 114') for receiving and immobilizing, each rib (64, 64 '; 102, 103, 103 ') of separation of said housings being provided with a thread (61, 61'; 111, 111 ') offset forward relative to the front edge (64 a , 67 a ) of another rib (64, 67; 114, 117) located immediately above said separation rib. Connecteur selon l'une des revendications 4 ou 5, caractérisé en ce que les nervures (14 ; 64, 64') de séparation desdits logements (2, 3 ; 52, 53, 53') comprennent deux voiles (15, 16 ; 65, 66, 65', 66') sensiblement parallèles, ledit taraudage (11 ; 61, 61') de chaque nervure étant prévu dans un premier voile (15 ; 65, 65'), une vis (9 ; 59, 59') étant insérée dans ledit taraudage pour immobiliser l'extrémité (5 ; 55, 55') d'un conducteur (7, 57, 57') reçu dans un logement (3 ; 53, 53') sans dépasser, en position de blocage, au-delà de la surface du second voile (16 ; 66, 66') de ladite nervure tournée vers un logement adjacent (2 ; 52, 53).Connector according to one of claims 4 or 5, characterized in that the ribs (14; 64, 64 ') for separation said housings (2, 3; 52, 53, 53 ') comprise two sails (15, 16; 65, 66, 65 ', 66') substantially parallel, said tapping (11; 61, 61 ') of each rib being provided in a first veil (15; 65, 65 '), a screw (9; 59, 59') being inserted into said thread to immobilize the end (5; 55, 55 ') of a conductor (7, 57, 57') received in a dwelling (3; 53, 53 ') without exceeding, in the locked position, beyond the surface of the second web (16; 66, 66 ') of said rib facing an adjacent dwelling (2; 52, 53). Connecteur selon la revendication 6, caractérisé en ce que ledit second voile (16 ; 66, 66') comprend un évidement (16a ; 66a, 66'a) au droit dudit taraudage (11 ; 61, 61') afin de permettre la mise en place et la manoeuvre de ladite vis (9 ; 59, 59').Connector according to claim 6, characterized in that said second web (16; 66, 66 ') comprises a recess (16 a ; 66 a , 66' a ) in line with said tapping (11; 61, 61 ') in order to allow the establishment and operation of said screw (9; 59, 59 '). Connecteur selon l'une des revendications précédentes, caractérisé en ce que lesdits logements (102, 103, 103') sont décalés les uns par rapport aux autres dans une direction (D4) sensiblement perpendiculaire à ladite direction (F) d'introduction desdites extrémités (104, 105, 105') desdits conducteurs (106, 107, 107') et sensiblement perpendiculaire à des vis de blocage (108, 109, 109').Connector according to one of the preceding claims, characterized in that said housings (102, 103, 103 ') are offset from one another in a direction (D 4 ) substantially perpendicular to said direction (F) of introduction of said ends (104, 105, 105 ') of said conductors (106, 107, 107') and substantially perpendicular to locking screws (108, 109, 109 '). Procédé de fabrication d'un connecteur (1, 51 ; 101) pour conducteurs électriques (4, 5 ; 54, 55, 55' ; 104, 105, 105'), caractérisé en ce qu'il consiste à extruder un profilé comprenant au moins deux canaux internes (2, 3 ; 52, 53, 53' ; 102, 103, 103') et à tronçonner ledit profilé selon une direction (D1, D2, D3) oblique par rapport à la direction d'extrusion.Method of manufacturing a connector (1, 51; 101) for electrical conductors (4, 5; 54, 55, 55 '; 104, 105, 105'), characterized in that it consists in extruding a profile comprising at at least two internal channels (2, 3; 52, 53, 53 '; 102, 103, 103') and to cut said profile in a direction (D 1 , D 2 , D 3 ) oblique to the direction of extrusion . Procédé selon la revendication 9, caractérisé en ce qu'il consiste à réaliser, dans chaque nervure (14 ; 64, 64' ; 114, 114') séparant lesdits canaux (2, 3 ; 52, 53, 53' ; 102, 103, 103'), au moins un taraudage (11 ; 61, 61' ; 111, 111') de réception d'une vis (9 ; 59, 59' ; 109, 109') d'immobilisation de conducteur (7, 57, 57' ; 107, 107'). Method according to claim 9, characterized in that that it consists in making, in each rib (14; 64, 64 '; 114, 114 ') separating said channels (2, 3; 52, 53, 53'; 102, 103, 103 '), at least one internal thread (11; 61, 61'; 111, 111 ') of reception of a locking screw (9; 59, 59 '; 109, 109') conductor (7, 57, 57 '; 107, 107'). Procédé selon la revendication 10, caractérisé en ce qu'il consiste à réaliser ledit taraudage (11 ; 61, 61') dans un premier voile (15 ; 65, 65') de ladite nervure (14 ; 64, 64') et à découper un évidement (16a ; 66a, 66'a) dans un second voile (16 ; 66, 66') de ladite nervure au droit dudit taraudage.Method according to claim 10, characterized in that it consists in producing said internal thread (11; 61, 61 ') in a first web (15; 65, 65') of said rib (14; 64, 64 ') and at cut a recess (16 a ; 66 a , 66 ' a ) in a second web (16; 66, 66') of said rib in line with said tapping.
EP98420159A 1997-09-18 1998-09-17 Connector for electrical conductors and his manufacturing process Withdrawn EP0903808A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9711845 1997-09-18
FR9711845A FR2768562B1 (en) 1997-09-18 1997-09-18 CONNECTOR FOR ELECTRICAL CONDUCTORS AND MANUFACTURING METHOD THEREOF

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2802024A1 (en) * 1999-12-03 2001-06-08 Legrand Sa MODULAR SINGLE POLE DISTRIBUTOR AND CONNECTION BLOCK FOR SUCH A DISTRIBUTOR

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3748420A (en) * 1972-04-18 1973-07-24 Westinghouse Electric Corp Terminal member for circuit interrupter
US4050770A (en) * 1976-10-18 1977-09-27 Rigo Larry E Junction box terminal block
EP0311537A1 (en) * 1987-10-07 1989-04-12 Pierson de Brabois, Jacques Connection terminal for the junction of several electrical cables to different sections entering the same side of the terminal and locked in individual superposed receptacles
EP0779678A1 (en) * 1995-12-12 1997-06-18 Legrand Electrical cable connector for terminating a conductive element, particularly for electrical cable comprising a cable end piece

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3748420A (en) * 1972-04-18 1973-07-24 Westinghouse Electric Corp Terminal member for circuit interrupter
US4050770A (en) * 1976-10-18 1977-09-27 Rigo Larry E Junction box terminal block
EP0311537A1 (en) * 1987-10-07 1989-04-12 Pierson de Brabois, Jacques Connection terminal for the junction of several electrical cables to different sections entering the same side of the terminal and locked in individual superposed receptacles
EP0779678A1 (en) * 1995-12-12 1997-06-18 Legrand Electrical cable connector for terminating a conductive element, particularly for electrical cable comprising a cable end piece

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2802024A1 (en) * 1999-12-03 2001-06-08 Legrand Sa MODULAR SINGLE POLE DISTRIBUTOR AND CONNECTION BLOCK FOR SUCH A DISTRIBUTOR
EP1107363A1 (en) * 1999-12-03 2001-06-13 Legrand Monopolar modular distribution frame

Also Published As

Publication number Publication date
FR2768562B1 (en) 1999-11-26
FR2768562A1 (en) 1999-03-19

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