EP2624365B1 - Electrical connection terminal - Google Patents

Electrical connection terminal Download PDF

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Publication number
EP2624365B1
EP2624365B1 EP13152790.5A EP13152790A EP2624365B1 EP 2624365 B1 EP2624365 B1 EP 2624365B1 EP 13152790 A EP13152790 A EP 13152790A EP 2624365 B1 EP2624365 B1 EP 2624365B1
Authority
EP
European Patent Office
Prior art keywords
clamping
bearing
terminal
orifice
cage
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.)
Expired - Fee Related
Application number
EP13152790.5A
Other languages
German (de)
French (fr)
Other versions
EP2624365B8 (en
EP2624365A1 (en
Inventor
Franck Da Silva
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ABB Schweiz AG
Original Assignee
ABB Technology AG
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
Priority to FR1251034A priority Critical patent/FR2986664B1/en
Application filed by ABB Technology AG filed Critical ABB Technology AG
Publication of EP2624365A1 publication Critical patent/EP2624365A1/en
Application granted granted Critical
Publication of EP2624365B1 publication Critical patent/EP2624365B1/en
Publication of EP2624365B8 publication Critical patent/EP2624365B8/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/28Clamped connections, spring connections
    • H01R4/38Clamped connections, spring connections utilising a clamping member acted on by screw or nut
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00Individual 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
    • H01R11/01Individual 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 form or arrangement of the conductive interconnection between the connecting locations
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/28Clamped connections, spring connections
    • H01R4/30Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/36Conductive members located under tip of screw
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/28Clamped connections, spring connections
    • H01R4/30Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/36Conductive members located under tip of screw
    • H01R4/363Conductive members located under tip of screw with intermediate part between tip and conductive member

Description

  • La présente invention concerne une borne de raccordement électrique, ainsi qu'un ensemble comportant cette borne.The present invention relates to an electrical connection terminal, and an assembly comprising this terminal.
  • Une borne de raccordement selon l'invention trouve, par exemple, application pour l'équipement d'un appareil électrique, tel qu'un contacteur électrique.A connection terminal according to the invention finds, for example, application for the equipment of an electrical appliance, such as an electric switch.
  • Un contacteur électrique est classiquement équipé d'un support de contact fixe dépassant vers l'extérieur de son boîtier. Ce support de contact fixe est d'une part connecté à un circuit renfermé par ledit boîtier et d'autre part connecté à un ou plusieurs câbles au moyen d'une borne de raccordement.An electrical contactor is conventionally equipped with a fixed contact support protruding outwardly from its housing. This fixed contact support is on the one hand connected to a circuit enclosed by said housing and on the other hand connected to one or more cables by means of a connection terminal.
  • On connaît du document EP 1 936 743 A2 une borne de raccordement telle que décrite dans le préambule de la revendication 1. On connaît aussi du document FR2766297 une borne 1 de raccordement électrique à vis (représentée partiellement à la figure 1). La borne 1 comporte :
    • une cage 2 comprenant une paroi de contre-appui 4 ;
    • un étrier 6 comportant une paroi d'appui 8 délimitant avec la paroi de contre-appui 4 un premier emplacement de serrage 10 ;
    • une pièce 12 rapportée sur la paroi d'appui 8 de l'étrier 6 et délimitant avec cette paroi d'appui 8 un second emplacement de serrage 14 ; et
    • une vis 16 agencée de telle sorte que sa rotation relativement à la cage 2 entraine une translation de la cage 2 relativement à l'étrier 6, et par suite une rotation de la pièce 12 relativement à l'étrier 6.
    Document is known EP 1 936 743 A2 a connection terminal as described in the preamble of claim 1. Also known from the document FR2766297 a terminal 1 of electrical screw connection (shown partially in the figure 1 ). Terminal 1 comprises:
    • a cage 2 comprising a counter-support wall 4;
    • a stirrup 6 comprising a support wall 8 delimiting with the counter-support wall 4 a first clamping position 10;
    • a piece 12 attached to the support wall 8 of the stirrup 6 and delimiting with this support wall 8 a second clamping location 14; and
    • a screw 16 arranged such that its rotation relative to the cage 2 causes a translation of the cage 2 relative to the stirrup 6, and consequently a rotation of the part 12 relative to the stirrup 6.
  • Le premier emplacement de serrage 10 est agencé pour permettre l'introduction d'un support de contact 18 fixe d'un contacteur, et de l'extrémité dénudée de deux câbles 20 et 22.The first clamping location 10 is arranged to allow the introduction of a fixed contact support 18 of a contactor, and the stripped end of two cables 20 and 22.
  • Le second emplacement de serrage 14 est agencé pour permettre l'introduction d'un embout 24 d'un câble 26.The second clamping location 14 is arranged to allow the insertion of a tip 24 of a cable 26.
  • La borne 1 donne satisfaction dans la mesure où elle permet de raccorder électriquement le support de contact 18 à une pluralité de câbles 20, 22, et 26.Terminal 1 is satisfactory in that it allows the contact support 18 to be electrically connected to a plurality of cables 20, 22, and 26.
  • Toutefois, la borne 1 présente un nombre conséquent de composants qu'il est souhaitable de réduire, pour des raisons de simplicité de montage et de coût de fabrication.However, the terminal 1 has a substantial number of components that it is desirable to reduce, for reasons of simplicity of assembly and cost of manufacture.
  • En outre, il est souhaitable d'accroitre le volume du premier emplacement de serrage 10, tout en conservant un second emplacement de serrage, de manière à accroitre le nombre ou la taille des éléments conducteurs susceptibles d'être introduit dans le premier emplacement de serrage.In addition, it is desirable to increase the volume of the first clamping location 10, while maintaining a second clamping location, so as to increase the number or size of the conductive members that can be introduced into the first clamping location. .
  • L'invention vise à atteindre ces objectifs.The invention aims to achieve these objectives.
  • L'invention concerne une borne de raccordement électrique comportant :
    • une cage comprenant une paroi de contre-appui ;
    • un étrier comprenant :
      • une paroi d'appui délimitant avec ladite paroi de contre-appui un premier emplacement de serrage, ce premier emplacement de serrage étant agencé pour permettre l'introduction d'au moins un premier élément conducteur suivant une première direction ; et
      • une paroi antérieure perpendiculaire à ladite première direction;
    • un organe de serrage pour entrainer la cage en translation relativement à l'étrier suivant un axe;
    caractérisée en ce que l'organe de serrage délimite avec la paroi d'appui de l'étrier un second emplacement de serrage ; et
    en ce que la paroi antérieure de l'étrier est pourvue d'une lumière agencée pour permettre l'introduction dans le second emplacement de serrage d'au moins un deuxième élément conducteur suivant une seconde direction.The invention relates to an electrical connection terminal comprising:
    • a cage comprising a counter-support wall;
    • a stirrup comprising:
      • a bearing wall defining with said counter-support wall a first clamping position, this first clamping position being arranged to allow the introduction of at least a first conductive element in a first direction; and
      • an anterior wall perpendicular to said first direction;
    • a clamping member for driving the cage in translation relative to the stirrup along an axis;
    characterized in that the clamping member delimits with the support wall of the stirrup a second clamping position; and
    in that the anterior wall of the stirrup is provided with a light arranged to allow the introduction into the second clamping location of at least one second conductive element in a second direction.
  • De préférence, la seconde direction est parallèle à la première direction.Preferably, the second direction is parallel to the first direction.
  • Par exemple, l'organe de serrage agencé de telle sorte qu'une rotation de l'organe de serrage relativement à la cage autour d'un axe entraine une translation de la cage relativement à l'étrier suivant ce même axe.For example, the clamping member arranged such that a rotation of the clamping member relative to the cage about an axis causes a translation of the cage relative to the stirrup along the same axis.
  • La borne selon l'invention est dépourvue de pièce rapportée sur la paroi d'appui de l'étrier.The terminal according to the invention has no insert on the support wall of the stirrup.
  • La borne selon l'invention présente ainsi un premier emplacement de serrage plus volumineux que celui-de la borne de l'état de la technique, tout en conservant un second emplacement de serrage. Dans ces conditions, le nombre ou la taille des éléments conducteurs susceptibles d'être accueillis dans le premier emplacement de serrage est accru.The terminal according to the invention thus has a first clamping location which is larger than that of the terminal of the state of the art, while maintaining a second clamping position. Under these conditions, the number or size of conductive elements that can be accommodated in the first clamping position is increased.
  • En outre, la borne selon l'invention présente un nombre de composants réduit par rapport à la borne de l'état de la technique. Aussi, son procédé de montage est plus simple et plus rapide à mettre en oeuvre et son coût de revient réduit.In addition, the terminal according to the invention has a reduced number of components compared to the terminal of the state of the art. Also, its assembly process is simpler and faster to implement and its cost price is reduced.
  • Enfin, la borne selon l'invention permet le raccordement d'un câble de petit diamètre parallèlement à un câble de grand diamètre accueilli dans le premier emplacement de serrage.Finally, the terminal according to the invention allows the connection of a small diameter cable parallel to a large diameter cable received in the first clamping location.
  • La borne selon l'invention peut comporter une ou plusieurs des caractéristiques suivantes.The terminal according to the invention may comprise one or more of the following features.
  • Avantageusement, la lumière est rectangulaire.Advantageously, the light is rectangular.
  • Dans ces conditions, le deuxième élément conducteur peut prendre la forme d'une patte destinée à connecter la borne de raccordement selon l'invention à une borne de raccordement additionnelle.Under these conditions, the second conductive element may take the form of a tab intended to connect the connection terminal according to the invention to an additional connection terminal.
  • Selon une caractéristique de l'invention,la dimension du second emplacement de serrage définie entre l'organe de serrage et la paroi d'appui de l'étrier est agencé pour diminuer lorsque l'organe de serrage est entrainé en rotation.According to one characteristic of the invention, the dimension of the second clamping position defined between the clamping member and the support wall of the stirrup is arranged to decrease when the clamping member is rotated.
  • Selon une caractéristique de l'invention, l'organe de serrage est commun pour le premier emplacement de serrage et pour le second emplacement de serrage.According to one characteristic of the invention, the clamping member is common for the first clamping position and for the second clamping position.
  • Suivant une caractéristique, la cage comprend une paroi de vissage, opposée à la paroi de contre-appui, et dans laquelle est ménagé un orifice taraudé ou fileté ; et l'organe de serrage comprend :
    • une portion d'entrainement conçue pour être entrainée en rotation ;
    • une portion intermédiaire filetée ou taraudée adaptée pour être vissée dans ledit orifice taraudé ou fileté ménagé dans la paroi de vissage ; et
    • une portion d'appui délimitant avec la paroi d'appui de l'étrier le second emplacement de serrage.
    According to one feature, the cage comprises a screwing wall, opposite to the counter-support wall, and in which is provided a threaded or threaded orifice; and the clamping member comprises:
    • a training portion adapted to be rotated;
    • a threaded or threaded intermediate portion adapted to be screwed into said threaded or threaded orifice formed in the screwing wall; and
    • a bearing portion delimiting with the support wall of the stirrup the second clamping position.
  • Avantageusement, l'organe de serrage comprend une portion de liaison reliant la portion intermédiaire à la portion d'appui, la portion de liaison présentant un diamètre inférieur au diamètre de la portion d'appui et de la portion intermédiaire ; et
    l'étrier comprend une paroi de retenue opposée à la paroi d'appui, dans laquelle est ménagée une première portion d'orifice de diamètre inférieur au diamètre de la portion d'appui et de la portion intermédiaire ; et
    la portion de liaison s'étend à travers cette première portion d'orifice, de manière à assurer la retenue de l'étrier à l'organe de serrage suivant l'axe de rotation de l'organe de serrage.
    Advantageously, the clamping member comprises a connecting portion connecting the intermediate portion to the bearing portion, the connecting portion having a diameter smaller than the diameter of the bearing portion and the intermediate portion; and
    the stirrup comprises a retaining wall opposite to the support wall, in which is formed a first orifice portion of diameter smaller than the diameter of the bearing portion and the intermediate portion; and
    the connecting portion extends through this first orifice portion, so as to ensure the retention of the yoke to the clamping member along the axis of rotation of the clamping member.
  • Suivant une caractéristique, la portion de liaison de l'organe de serrage présente une longueur supérieure à l'épaisseur de la paroi de retenue de l'étrier.According to one characteristic, the connecting portion of the clamping member has a length greater than the thickness of the retaining wall of the stirrup.
  • Dans ces conditions, un mouvement relatif de l'organe de serrage par rapport à l'étrier suivant son axe de rotation est autorisé, de telle sorte qu'un élément conducteur puisse être serré dans le premier emplacement de serrage même en absence d'un l'élément conducteur dans le second emplacement de serrage.Under these conditions, a relative movement of the clamping member relative to the stirrup along its axis of rotation is allowed, so that a conductive element can be clamped in the first clamping position even in the absence of a the conductive element in the second clamping location.
  • Avantageusement, l'étrier comprend une paroi postérieure opposée à la paroi antérieure, et dans laquelle est ménagé une seconde portion d'orifice communiquant avec la première portion d'orifice ; et
    la portion d'appui de l'organe de serrage est conformée pour être engagée dans la seconde portion d'orifice, transversalement à son axe de rotation, et par suite permettre la disposition de la portion de liaison de l'organe de serrage dans la première portion d'orifice.
    Advantageously, the stirrup comprises a rear wall opposite the front wall, and in which is formed a second orifice portion communicating with the first orifice portion; and
    the support portion of the clamping member is shaped to be engaged in the second orifice portion, transversely to its axis of rotation, and consequently allow the arrangement of the connecting portion of the clamping member in the first portion of orifice.
  • Dans un mode de réalisation préféré, l'étrier est réalisé par déformation plastique d'une lame métallique, de telle sorte qu'une première portion de la lame forme la paroi antérieure, une deuxième portion forme la paroi d'appui, une troisième portion forme la paroi postérieure et une quatrième portion forme la paroi de retenue.In a preferred embodiment, the stirrup is made by plastic deformation of a metal blade, so that a first portion of the blade forms the anterior wall, a second portion forms the support wall, a third portion forms the posterior wall and a fourth portion forms the retaining wall.
  • Ainsi, le procédé de fabrication de l'étrier est simple à mettre en oeuvre.Thus, the manufacturing method of the stirrup is simple to implement.
  • Toujours dans ce mode de réalisation préféré, la cage est réalisée par déformation plastique d'une lame métallique, de telle sorte qu'au moins une première portion de la lame forme la paroi de vissage, une deuxième portion forme une première paroi de liaison, une troisième portion forme la paroi de contre-appui et une quatrième portion forme une seconde paroi de liaison.Still in this preferred embodiment, the cage is made by plastic deformation of a metal blade, so that at least a first portion of the blade forms the screwing wall, a second portion forms a first connecting wall, a third portion forms the counter-support wall and a fourth portion forms a second connecting wall.
  • Ainsi, le procédé de fabrication de la cage est également simple à mettre en oeuvre.Thus, the method of manufacturing the cage is also simple to implement.
  • L'invention concerne également un ensemble caractérisé en ce qu'il comporte :
    • une borne conforme à l'une quelconque des bornes présentées ci-avant ;
    • un dit second élément conducteur introduit dans ledit second emplacement de serrage suivant ladite seconde direction ;
    • une borne additionnelle électriquement raccordée audit second élément conducteur, et destinée à être raccordée à un troisième élément conducteur, tel qu'un câble.
    The invention also relates to an assembly characterized in that it comprises:
    • a terminal according to any one of the terminals presented above;
    • a second conductive element introduced into said second clamping location in said second direction;
    • an additional terminal electrically connected to said second conductive element, and intended to be connected to a third conductive element, such as a cable.
  • L'invention sera mieux comprise à l'aide de la description qui suit en référence au dessin schématique annexé représentant, à titre d'exemple, une borne de raccordement électrique selon l'invention.
    • Figure 1 est une vue en coupe d'une borne de raccordement de l'état de la technique ;
    • Figure 2 est une vue en perspective d'une borne de raccordement selon l'invention ;
    • Figure 3 est une vue en perspective de la borne de figure 2 sur laquelle une cage est représentée en transparence ;
    • Figure 4 est une vue en coupe de la borne de figure 2 ;
    • Figure 5 est une vue d'un étrier équipant la borne de figure 2 ;
    • Figure 6 est une vue de côté d'un organe de serrage de la borne de figure 2 ;
    • Figure 7 est une vue d'un ensemble comportant la borne de figure 2 raccordée à une borne additionnelle ; et
    • Figure 8 est une vue en perspective d'une variante de réalisation de la cage équipant la borne de figure 2.
    The invention will be better understood with the aid of the description which follows with reference to the appended schematic drawing showing, by way of example, an electrical connection terminal according to the invention.
    • Figure 1 is a sectional view of a connection terminal of the state of the art;
    • Figure 2 is a perspective view of a connection terminal according to the invention;
    • Figure 3 is a perspective view of the terminal of figure 2 on which a cage is represented in transparency;
    • Figure 4 is a sectional view of the terminal of figure 2 ;
    • Figure 5 is a view of a stirrup equipping the terminal of figure 2 ;
    • Figure 6 is a side view of a clamping member of the figure 2 ;
    • Figure 7 is a view of a set including the figure 2 connected to an additional terminal; and
    • Figure 8 is a perspective view of an alternative embodiment of the cage equipping the terminal of figure 2 .
  • Les figures 2 à 4 représentent une borne 100 de raccordement électrique selon l'invention. La borne 100 comporte une cage 102 comprenant :
    • une paroi de contre-appui 104;
    • une paroi de vissage 106 (représentée à la figure 4) opposée à la paroi de contre-appui 104 ; et
    • des parois de liaison 108 et 110 reliant la paroi de contre-appui 104 à la paroi de vissage 106.
    The Figures 2 to 4 represent a terminal 100 of electrical connection according to the invention. Terminal 100 comprises a cage 102 comprising:
    • a counter-support wall 104;
    • a screw wall 106 (shown in FIG. figure 4 ) opposite the counter-support wall 104; and
    • connecting walls 108 and 110 connecting the counter-support wall 104 to the screwing wall 106.
  • La cage 102 est réalisée par déformation plastique d'une lame métallique, de telle sorte qu'une première portion de cette lame forme la paroi de liaison 108, une deuxième portion forme la paroi de contre-appui 104, et une troisième portion forme la paroi de liaison 110.The cage 102 is made by plastic deformation of a metal blade, so that a first portion of this blade forms the connecting wall 108, a second portion forms the counter-support wall 104, and a third portion forms the connecting wall 110.
  • La paroi de vissage 106 est rapportée et fixée aux parois de liaison 108 et 110. A cette fin, la paroi de vissage 106 comprend deux protubérances 112, et chaque paroi de liaison 108 et 110 comprend une encoche 114 à l'intérieur de laquelle est engagée une protubérance 112 respective.The screwing wall 106 is attached and fixed to the connecting walls 108 and 110. For this purpose, the screwing wall 106 comprises two protuberances 112, and each connecting wall 108 and 110 comprises a notch 114 within which is engaged a respective protuberance 112.
  • La paroi de vissage 106 est pourvue d'un orifice taraudé 118.The screw wall 106 is provided with a threaded orifice 118.
  • La borne 100 comprend un étrier 120 (représenté à la figure 5). Cet étrier 120 comprend :
    • une paroi antérieure 122 ;
    • une paroi d'appui 124 ;
    • une paroi postérieure 126 opposée à la paroi antérieure 122 ; et
    • une paroi de retenue 128 opposée à la paroi d'appui 124.
    Terminal 100 includes a bracket 120 (shown in FIG. figure 5 ). This stirrup 120 comprises:
    • an anterior wall 122;
    • a support wall 124;
    • a rear wall 126 opposite to the front wall 122; and
    • a retaining wall 128 opposite to the support wall 124.
  • L'étrier 120 est réalisé par déformation plastique d'une lame métallique, de telle sorte qu'une première portion de la lame forme la paroi antérieure 122, une deuxième portion forme la paroi d'appui 124, une troisième portion forme la paroi postérieure 126 et une quatrième portion forme la paroi de retenue 128.The stirrup 120 is made by plastic deformation of a metal blade, so that a first portion of the blade forms the front wall 122, a second portion forms the support wall 124, a third portion forms the rear wall 126 and a fourth portion forms the retaining wall 128.
  • La paroi antérieure 122 est agencée pour obturer tout ou partie du volume intérieur de la cage 102. La paroi antérieure 122 est pourvue de lumières 130 et 132 rectangulaires.The front wall 122 is arranged to close all or part of the internal volume of the cage 102. The front wall 122 is provided with rectangular openings 130 and 132.
  • La lumière 130 est agencée pour permettre l'introduction d'un élément conducteur 133 suivant une direction 135 dans un emplacement de serrage 131. La direction 135 est perpendiculaire à la paroi antérieure 122.The lumen 130 is arranged to allow the insertion of a conductive element 133 in a direction 135 into a clamping location 131. The direction 135 is perpendicular to the anterior wall 122.
  • La paroi d'appui 124 délimite avec la paroi de contre-appui 104 de la cage 102 un emplacement de serrage 134. Cet emplacement de serrage 134 est agencé pour permettre l'introduction d'au moins un élément conducteur, par exemple un support de contact fixe d'un contacteur et les extrémités dénudées d'un ou plusieurs câbles (non représentés), suivant une direction 136 parallèle à la direction 135.The bearing wall 124 defines with the counter-support wall 104 of the cage 102 a clamping location 134. This clamping location 134 is arranged to allow the introduction of at least one conductive element, for example a support of fixed contact of a contactor and the stripped ends of one or more cables (not shown), in a direction 136 parallel to the direction 135.
  • La paroi postérieure 126 est pourvue d'une portion d'orifice 140 rectangulaire. La paroi de retenue 128 est pourvue d'une portion d'orifice 142 circulaire communicant avec la portion d'orifice 140.The posterior wall 126 is provided with a rectangular orifice portion 140. The retaining wall 128 is provided with a circular orifice portion 142 communicating with the orifice portion 140.
  • La paroi de retenue 128 est prolongée par une langue 144 engagée dans la lumière 132. Un jeu est ménagé entre la langue 144 et la lumière 132. Dans ces conditions, la paroi de retenue 128 peut pivoter par rapport à la paroi postérieure 126 autour d'un axe 145 (représenté à la figure 3), par déformation élastique.The retaining wall 128 is extended by a tongue 144 engaged in the lumen 132. A clearance is provided between the tongue 144 and the lumen 132. Under these conditions, the retaining wall 128 can pivot relative to the posterior wall 126 around the tongue. an axis 145 (shown at figure 3 ), by elastic deformation.
  • La borne 100 comporte enfin un organe de serrage 146 (représenté à la figure 6) agencé de telle sorte qu'une rotation de l'organe de serrage 146 relativement à la cage 102, autour d'un axe 150, entraine une translation de la cage 102 relativement à l'étrier 146 suivant ce même axe 150.Terminal 100 finally has a clamping member 146 (shown in FIG. figure 6 ) arranged such that a rotation of the clamping member 146 relative to the cage 102, about an axis 150, causes a translation of the cage 102 relative to the stirrup 146 along the same axis 150.
  • L'organe de serrage 146 est cylindrique. Il comprend :
    • une portion d'entrainement 148 conçue pour être entrainée en rotation, par exemple au moyen d'une clé Allen, autour de l'axe 150 ;
    • une portion intermédiaire 152 filetée, adaptée être vissée dans l'orifice 118 ménagé dans la paroi de vissage 106 de la cage 102 ;
    • une portion d'appui 154 délimitant avec la paroi d'appui 124 de l'étrier 120 l'emplacement de serrage 131 mentionné plus tôt ; et
    • une portion de liaison 158 reliant la portion d'appui 154 et la portion intermédiaire 152.
    The clamping member 146 is cylindrical. He understands :
    • a drive portion 148 designed to be rotated, for example by means of an Allen key, about the axis 150;
    • an intermediate portion 152 threaded, adapted to be screwed into the orifice 118 formed in the screw wall 106 of the cage 102;
    • a bearing portion 154 defining with the support wall 124 of the bracket 120 the clamping location 131 mentioned earlier; and
    • a connecting portion 158 connecting the bearing portion 154 and the intermediate portion 152.
  • La portion d'entrainement 148 présente un diamètre supérieur au diamètre de l'orifice 118 ménagé dans la paroi de vissage 106 de la cage 102.The drive portion 148 has a diameter greater than the diameter of the orifice 118 formed in the screw wall 106 of the cage 102.
  • Dans ces conditions, la portion d'entrainement 148 forme une butée susceptible de prendre appui contre la paroi de vissage 106 lorsque l'organe de serrage 146 se déplace, relativement à la cage 102, en translation suivant l'axe 150.Under these conditions, the drive portion 148 forms a stop capable of bearing against the screwing wall 106 when the clamping member 146 moves relative to the cage 102 in translation along the axis 150.
  • La portion de liaison 158 présente un diamètre inférieur au diamètre de la portion intermédiaire 152 et au diamètre d'un tronçon 154a de la portion d'appui 154 tourné vers la portion de liaison 158.The connecting portion 158 has a diameter smaller than the diameter of the intermediate portion 152 and the diameter of a portion 154a of the bearing portion 154 facing the connecting portion 158.
  • En outre, le diamètre de la portion intermédiaire 152 et le diamètre du tronçon 154a de la portion d'appui 154 sont supérieurs au diamètre de la portion d'orifice 142 ménagée dans la paroi de retenue 128 de l'étrier 120.In addition, the diameter of the intermediate portion 152 and the diameter of the portion 154a of the bearing portion 154 are greater than the diameter of the orifice portion 142 formed in the retaining wall 128 of the yoke 120.
  • Dans ces conditions, la paroi de retenue 128 assure la retenue de l'étrier 120 à l'organe de serrage 146, en réponse à un effort exercé sur l'étrier 120 suivant l'axe 150.Under these conditions, the retaining wall 128 ensures the retention of the stirrup 120 to the clamping member 146, in response to a force exerted on the stirrup 120 along the axis 150.
  • Enfin, la longueur de la portion de liaison 158 est supérieure à l'épaisseur de la paroi de retenue 128 de telle sorte qu'un élément conducteur puisse être serré dans l'emplacement de serrage 134 même en absence de l'élément conducteur 133 dans l'emplacement de serrage 131.Finally, the length of the connecting portion 158 is greater than the thickness of the retaining wall 128 so that a conductive element can be clamped in the clamping location 134 even in the absence of the conductive element 133 in the clamping location 131.
  • Donc, l'organe de serrage 146 est commun au premier emplacement de serrage 134 et au second emplacement de serrage 131.Thus, the clamping member 146 is common to the first clamping location 134 and the second clamping location 131.
  • Par commun, il faut entendre que le même organe de serrage 146 est utilisé pour faire varier à la fois la dimension du premier emplacement 134 et la dimension de second emplacement 131 et donc utilisé pour réaliser à la fois le serrage de câbles dans le premier emplacement 134 et d'un élément conducteur dans le second emplacement 131.By common it is meant that the same clamping member 146 is used to vary both the size of the first location 134 and the second location dimension 131 and thus used to realize both the cable clamping in the first location. 134 and a conductive element in the second location 131.
  • La portion d'appui 154 est conformée pour être engagée dans la portion d'orifice 140 ménagée dans la paroi postérieure 128 de l'étrier 120, transversalement à l'axe 150, et par suite permettre la disposition de la portion de liaison 158 à travers la portion d'orifice 142 ménagée dans la paroi de retenue 128 de ce même étrier 120.The bearing portion 154 is shaped to be engaged in the orifice portion 140 formed in the posterior wall 128 of the stirrup 120, transversely to the axis 150, and consequently allow the provision of the connecting portion 158 through the orifice portion 142 formed in the retaining wall 128 of the same stirrup 120.
  • Un procédé d'utilisation de la borne 100 est maintenant décrit.A method of using terminal 100 is now described.
  • Lorsque la borne 100 est positionnée dans le corps d'un appareil électrique, un support de contact fixe 170 est logé dans l'emplacement de serrage 134.When the terminal 100 is positioned in the body of an electrical apparatus, a fixed contact support 170 is housed in the clamping location 134.
  • Lors d'une première étape, un utilisateur introduit l'élément conducteur 133 à travers la lumière 130 suivant la direction 135. L'élément conducteur 133 s'étend alors entre la portion d'appui 154 de l'organe de serrage 146 et la paroi d'appui 124 de l'étrier 120 (tel que représenté aux figures 2 à 4).In a first step, a user introduces the conductive element 133 through the lumen 130 in the direction 135. The conductive element 133 then extends between the bearing portion 154 of the clamping member 146 and the support wall 124 of the stirrup 120 (as shown in FIGS. Figures 2 to 4 ).
  • Lors d'une deuxième étape, l'utilisateur introduit une ou plusieurs extrémités dénudées d'un ou de plusieurs câbles dans l'emplacement de serrage 134, par exemple de deux câbles de part et d'autre du support de contact fixe 170.In a second step, the user introduces one or more stripped ends of one or more cables in the clamping location 134, for example two cables on either side of the fixed contact support 170.
  • Lors d'une troisième étape, l'utilisateur entraine l'organe de serrage 146 en rotation relativement à la cage 102, par exemple au moyen d'une clé Allen. En réponse, l'étrier 120 se déplace relativement à la cage 102, jusqu'à ce que le support de contact fixe et les extrémités dénudées de deux câbles soit pincées entre la paroi d'appui 124 de l'étrier 120 et la paroi de contre-appui 104 de la cage.In a third step, the user causes the clamping member 146 to rotate relative to the cage 102, for example by means of an Allen key. In response, the stirrup 120 moves relative to the cage 102, until the fixed contact support and the stripped ends of two cables are clamped between the support wall 124 of the stirrup 120 and the counter-support 104 of the cage.
  • Par ailleurs, l'élément conducteur 133 est pincé entre la portion d'appui 154 de l'organe de serrage 146 et la paroi d'appui 124.Moreover, the conductive element 133 is pinched between the bearing portion 154 of the clamping member 146 and the support wall 124.
  • Il est à noter que les premières et seconde étapes décrites ci-dessus peuvent être interverties.It should be noted that the first and second steps described above can be reversed.
  • Cependant, la dimension du second emplacement de serrage 131 définie entre l'organe de serrage 146 et la paroi d'appui 124 de l'étrier 120 est agencé pour diminuer lorsque l'organe de serrage 146 est entrainé en rotation.However, the dimension of the second clamping location 131 defined between the clamping member 146 and the bearing wall 124 of the bracket 120 is arranged to decrease when the clamping member 146 is rotated.
  • En effet, lorsque l'organe de serrage 146 est entrainé en rotation de façon à réduire la dimension du premier emplacement de serrage 134 et que la paroi d'appui 124 vient en butée contre les deux câbles ou même la paroi de contre-appui 104 si aucun câble n'est inséré dans le premier emplacement de serrage 134, alors la dimension du second emplacement de serrage 131 délimité par l'organe de serrage 146 et la paroi d'appui 124 de l'étrier 120 diminue jusqu'à ce que l'organe de serrage 146 soit en butée contre le second élément conducteur 133 ou même la paroi d'appui 124 si aucun second élément conducteur n'est introduit dans le second emplacement 131.Indeed, when the clamping member 146 is rotated so as to reduce the size of the first clamping position 134 and the support wall 124 abuts against the two cables or even the support wall 104 if no cable is inserted into the first clamping location 134, then the dimension of the second clamping location 131 delimited by the clamping member 146 and the supporting wall 124 of the bracket 120 decreases until the clamping member 146 abuts against the second conductive element 133 or even the support wall 124 if no second conductive element is introduced into the second location 131.
  • Bien entendu, l'organe de serrage 146 peut être directement mis au contact du second élément conducteur 133 ou de la paroi d'appui 124 ou bien indirectement par l'intermédiaire d'une pièce mobile sous l'action de l'organe de serrage 146.Of course, the clamping member 146 may be directly brought into contact with the second conductive element 133 or the support wall 124 or indirectly via a moving part under the action of the clamping member. 146.
  • La figure 7 représente un ensemble 160 selon l'invention comportant :
    • la borne 100 ;
    • une borne 162 simple comprenant une rondelle 164 formant paroi d'appui, la rondelle 164 étant pourvue d'un orifice traversant165, et délimitant un emplacement de serrage 166 avec un élément conducteur 133, et un organe de serrage 168 susceptible d'être vissé dans l'orifice taraudé 165 et dans un orifice taraudé 167 ménagé dans l'élément conducteur 133 disposé en vis-à-vis ;
    • l'élément conducteur 133 introduit dans l'emplacement de serrage 131 de la borne 100 ; ;
    • un support de contact 170 fixe d'un contacteur et les extrémités dénudées de deux câbles 172 et 174 dans l'emplacement de serrage 134 de la borne 100 ; et
    • un câble 176, présentant un diamètre inférieur aux câbles 172 et 174, et dont l'extrémité dénudée est introduit dans l'emplacement de serrage 166 de la borne 162.
    The figure 7 represents a set 160 according to the invention comprising:
    • the terminal 100;
    • a single terminal 162 comprising a washer 164 forming a bearing wall, the washer 164 being provided with a through hole 165, and delimiting a clamping location 166 with a conductive element 133, and a clamping member 168 that can be screwed into the threaded orifice 165 and in a threaded orifice 167 formed in the conductive element 133 disposed vis-a-vis;
    • the conductive element 133 introduced into the clamping location 131 of the terminal 100; ;
    • a fixed contact support 170 of a contactor and the stripped ends of two cables 172 and 174 in the clamping location 134 of the terminal 100; and
    • a cable 176, having a smaller diameter than the cables 172 and 174, and the stripped end of which is inserted into the clamping location 166 of the terminal 162.
  • Un tel ensemble permet de connecter en cascade une pluralité de câbles de diamètres différents à un support fixe d'un contacteur électrique.Such an assembly makes it possible to cascade a plurality of cables of different diameters to a fixed support of an electrical contactor.
  • Comme il va de soi, l'invention ne se limite pas à la seule forme d'exécution de la borne décrite ci-dessus à titre d'exemple, elle en embrasse au contraire toutes les variantes de réalisation.As goes without saying, the invention is not limited to the sole embodiment of the terminal described above by way of example, it encompasses all the variants.
  • En variante, la cage 102 peut être remplacée une cage 202 (représentée à la figure 8). La cage 202 diffère de la cage 102 en ce qu'elle comprend deux parois de serrage 206 pourvue chacune d'un orifice 208 taraudé, et supperposées l'une sur l'autre. Les parois de serrage 206 viennent de matière avec les parois de liaison 208 et 210, et la paroi de contre-appui 204.Alternatively, the cage 102 may be replaced by a cage 202 (shown in FIG. figure 8 ). The cage 202 differs from the cage 102 in that it comprises two clamping walls 206 each provided with a threaded orifice 208, and superposed on one another. The clamping walls 206 are made of material with the connecting walls 208 and 210, and the counter-support wall 204.
  • La cage 202 est réalisée par déformation plastique d'une lame métallique, de telle sorte qu'une première portion de la lame forme une première paroi de vissage 206, une deuxième portion forme la paroi de liaison 208, une troisième portion forme la paroi de contre-appui 204, une quatrième portion forme la paroi de liaison 210, et une cinquième portion forme une autre paroi de vissage 206.The cage 202 is made by plastic deformation of a metal blade, so that a first portion of the blade forms a first screwing wall 206, a second portion forms the connecting wall 208, a third portion forms the counter-support wall 204, a fourth portion forms the connecting wall 210, and a fifth portion forms another screwing wall 206.
  • En variante, l'organe de serrage 146 peut être remplacé par un organe de serrage (non représenté) diffèrant en ce que la portion d'entrainement présente le même diamètre que la portion intermédiaire.Alternatively, the clamping member 146 may be replaced by a clamping member (not shown) differing in that the drive portion has the same diameter as the intermediate portion.
  • Toujours en variante, l'organe de serrage 146 peut enfin être remplacé par un organe de serrage (non représenté) diffèrant en ce que la portion d'entrainement est adaptée pour être entrainée en rotation relativement à la cage 102 au moyen d'un tournevis plat ou cruciforme.Still alternatively, the clamping member 146 may finally be replaced by a clamping member (not shown) differing in that the drive portion is adapted to be rotated relative to the cage 102 by means of a screwdriver. flat or cruciform.

Claims (9)

  1. An electrical connection terminal (100) including:
    - a cage (102 ; 202) comprising a counter-bearing wall (104 ; 204);
    - a bracket (120) comprising:
    • a bearing wall (124) delimiting with said counter-bearing wall (104) a first clamping location (134), this first clamping location (134) being arranged to enable the introduction of at least one first conductive element along a first direction (136); and
    • a front wall (122) transverse to said first direction (136);
    - a clamping member (146) arranged to drive the cage (102) in translation relative to the bracket (120) along an axis (150);
    characterized in that the clamping member (146) delimits with the bearing wall (124) of the bracket a second clamping location (131); and
    in that the front wall (122) of the bracket (120) is provided with an aperture (130) arranged to enable the introduction of at least one second conductive element in the second clamping location (131) along a second direction (135).
  2. The terminal according to claim 1, characterized in that the aperture (130) is rectangular.
  3. The terminal according to any one of claims 1 to 2, characterized in that the cage (102 ; 202) comprises a screwing wall (106 ; 206), opposite to the counter-bearing wall (104 ; 204), and in which is formed a tapped or threaded orifice (118); and in that the clamping member (146) comprises:
    - a driving portion (148) designed to be driven in rotation;
    - a tapped or threaded intermediate portion (152), adapted to be screwed in said tapped or threaded orifice (118) formed in the screwing wall (106); and
    - a bearing portion (154) delimiting with the bearing wall (124) of the bracket (120) the second clamping location (131).
  4. The terminal according to claim 3, characterized in that the clamping member (146) comprises a linking portion (158) connecting the intermediate portion (152) to the bearing portion (154), the linking portion (158) presenting a diameter smaller than the diameter of the bearing portion (154) and of the intermediate portion (152);
    in that the bracket (120) comprises a retaining wall (128) opposite to the bearing wall (124), in which is formed a first orifice portion (142) with a diameter smaller than the diameter of the bearing portion (154) and of the intermediate portion (152); and
    in that the linking portion (158) extends through this first orifice portion (142), so as to ensure the retention of the bracket (120) to the clamping member (146) along the axis of rotation (150) of the clamping member (146).
  5. The terminal according to claim 4, characterized in that the linking portion (158) of the clamping member (146) presents a length larger than the thickness of the retaining wall (128) of the bracket (120).
  6. The terminal according to any one of claims 4 or 5, characterized in that the bracket (120) comprises a back wall (126) opposite to the front wall (122), and in which is formed a second orifice portion (140) communicating with the first orifice portion (142); and
    in that the bearing portion (154) of the clamping member (146) is shaped to be engaged in the second orifice portion (140), transversely to its axis of rotation (150), and then enable the disposition of the linking portion (158) of the clamping member (146) in the first orifice portion (142).
  7. The terminal according to claim 6, characterized in that the bracket (120) is realized by plastic deformation of a metal blade, so that a first portion of the blade forms the front wall, a second portion forms the bearing wall, a third portion forms the back wall and a fourth portion forms the retaining wall.
  8. The terminal according to any one of claims 1 to 7, characterized in that the cage (202) is realized by plastic deformation of a metal blade, so that at least one first portion of the blade forms the screwing wall, a second portion forms a first linking wall, a third portion forms the counter-bearing wall and a fourth portion forms a second linking wall.
  9. A set characterized in that it includes:
    - a terminal (100) in accordance with any one of the preceding claims;
    - one said second conductive element (133) introduced in said second clamping location along said second direction;
    - an additional terminal (162) electrically connected to said second conductive element (133), and intended to be connected to a third conductive element (172), such as a cable.
EP13152790.5A 2012-02-03 2013-01-25 Electrical connection terminal Expired - Fee Related EP2624365B8 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1251034A FR2986664B1 (en) 2012-02-03 2012-02-03 Electrical connection terminal

Publications (3)

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EP2624365A1 EP2624365A1 (en) 2013-08-07
EP2624365B1 true EP2624365B1 (en) 2016-08-24
EP2624365B8 EP2624365B8 (en) 2016-10-05

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Application Number Title Priority Date Filing Date
EP13152790.5A Expired - Fee Related EP2624365B8 (en) 2012-02-03 2013-01-25 Electrical connection terminal

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US (1) US8814607B2 (en)
EP (1) EP2624365B8 (en)
CN (1) CN103247877B (en)
FR (1) FR2986664B1 (en)

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US9601841B2 (en) * 2014-10-16 2017-03-21 Hubbell Incorporated Wire terminal assembly and adapter kit
USD796455S1 (en) * 2016-06-15 2017-09-05 Eaton Corporation Electrical terminal
US9812829B1 (en) * 2016-11-10 2017-11-07 Schneider Electric USA, Inc. Wiring connector for two wire to two point connection
FR3080494B1 (en) * 2018-04-19 2021-03-19 Hager Electro Sas CONNECTION DEVICE FOR ELECTRICAL APPLIANCES, ELECTRICAL APPLIANCES INCLUDING LEDIT CONNECTION DEVICE AND ASSOCIATED DISTRIBUTION BOX

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FR2612340B1 (en) * 1987-03-13 1993-02-12 Merlin Gerin Multiple connection terminal for modular electrical apparatus
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DE19951789A1 (en) * 1999-10-27 2001-05-03 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Connection terminal
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Also Published As

Publication number Publication date
US8814607B2 (en) 2014-08-26
FR2986664B1 (en) 2014-02-14
CN103247877B (en) 2016-08-17
US20130203301A1 (en) 2013-08-08
EP2624365A1 (en) 2013-08-07
CN103247877A (en) 2013-08-14
EP2624365B8 (en) 2016-10-05
FR2986664A1 (en) 2013-08-09

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