EP0817318B1 - Terminal for comb-shaped bus bas especially for modular electrical apparatus - Google Patents

Terminal for comb-shaped bus bas especially for modular electrical apparatus Download PDF

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Publication number
EP0817318B1
EP0817318B1 EP97401194A EP97401194A EP0817318B1 EP 0817318 B1 EP0817318 B1 EP 0817318B1 EP 97401194 A EP97401194 A EP 97401194A EP 97401194 A EP97401194 A EP 97401194A EP 0817318 B1 EP0817318 B1 EP 0817318B1
Authority
EP
European Patent Office
Prior art keywords
input terminal
terminal according
insulating casing
tongue portion
bottom flap
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 - Lifetime
Application number
EP97401194A
Other languages
German (de)
French (fr)
Other versions
EP0817318A1 (en
Inventor
Jacques Guelin
Pierre Mazabraud
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.)
Legrand SNC
Legrand France SA
Original Assignee
Legrand SA
Legrand SNC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Legrand SA, Legrand SNC filed Critical Legrand SA
Publication of EP0817318A1 publication Critical patent/EP0817318A1/en
Application granted granted Critical
Publication of EP0817318B1 publication Critical patent/EP0817318B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • H01R9/223—Insulating enclosures for terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/08—Short-circuiting members for bridging contacts in a counterpart
    • H01R31/085—Short circuiting bus-strips
    • 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
    • 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
    • H01R4/70—Insulation of connections

Definitions

  • the present invention generally relates to the comb-shaped power bars of the type used for example for the joint service of a plurality of modular electrical appliances aligned side by side on the same support.
  • these power bars In addition to a sill, through which they run along the modular electrical appliances to be served, and which, most often, is protected by an insulating sheath, these power bars have, transversely, from place to place, in a regular step, a plurality of teeth, by which they are adapted to engage with the relevant connection terminal of these modular electrical devices or, at least, that of some of them.
  • the present invention relates more particularly to the terminal that it is customary to associate with such a power bar to ensure its own connection to an electrical conductor capable of connecting it to any power source.
  • This terminal terminal comprises, globally, a conductive active part, and, at least partially encasing the latter, an insulating envelope, the active part forming by itself, on the one hand, a connection pad, which, to allow the engagement of an electrical conductor to connect, present, at the right of an opening of the insulating envelope, at least one driver input, and, secondly, a conduction tab, which projects out of the insulating envelope, and which, especially when the sill of the supply bar is protected by an insulating sheath, is intended to be superimposed, at least locally, on a tooth of this supply bar, for contact with this tooth and joint engagement with it in the corresponding connection terminal of any of the modular electrical appliances concerned.
  • the present invention generally relates to a terminal terminal for comb-shaped power bar free from these disadvantages and further having other advantages.
  • This arrival terminal which is of the kind described above, is generally characterized in that it is associated with at least one closure flap capable of sealing one of these openings on demand.
  • connection pad of the active part it is advantageously possible to choose the one or the conductor inputs of the connection pad of the active part that is best suited to this wiring.
  • these two driver inputs can be aligned back to back in an alignment direction perpendicular to the plane passing through the axis of the threaded hole that intersects and the direction of elongation of the conduction tab, and therefore , parallel to the sill of the power bar.
  • the unused driver input is duly closed by the closing flap provided for this purpose.
  • the arrival terminal according to the invention has a relatively small footprint and its resistance, wired, is particularly satisfactory.
  • the insulating envelope of the arrival terminal comprises an upper portion, in the form of a bell, by which it is adapted to cap the connection pad of the active part, and a bottom flap, which, articulated to the upper portion, is able to extend under this connection pad.
  • the conduction tab of the active part comprises successively two sections from the connection pad, namely, a root section and an end section
  • the insulating envelope has two lateral extensions, the upper one the other lower, by which it is able to grip the root portion of the conduction tab.
  • the conduction tab of the active part comprises successively two sections from the connection pad, the end portion has a thickness greater than that of the root section.
  • the conduction tab of the arrival terminal according to the invention can indifferently overlap over or under a tooth of the power bar.
  • the terminal of the invention according to the invention is also suitable for the case where the corresponding connection terminal of the modular electrical appliance concerned is a terminal of the type called wafer, that in case it is a terminal the so-called elevator type, which further facilitates its ability to reuse during a possible modification of the installation in which it operates.
  • the arrival terminal 10 is intended to be associated with a power bar 11, which in form general comb, features, on the one hand, a sill 12, and, on the other hand, issuing transversely from place to place of this sill 12, in a regular pitch, teeth 13.
  • the sill 12 of the supply bar 11 is surrounded by an insulating sheath 14.
  • the arrival terminal 10 comprises, on the one hand, an active part 16, which is conductive, and, on the other hand, at least partly coating this active part 16, an insulating envelope 17.
  • the active part 16 itself comprises, on the one hand, a connection pad 18, which, to allow the engagement of an electrical conductor 19 to be connected, present, to the right of an opening 20 of the insulating envelope 17, at least one conductor inlet 21, and, secondly, a conduction tab 22, which, intended to be superimposed, at least locally, according to modalities described in more detail later, to a tooth 13 of the bar 11, for contact with it, protrudes out of the insulating envelope 17.
  • the active part 16 also comprises a clamping screw 23 intended to cooperate in screwing with a threaded bore 24 of the connection pad 18 which transversely intersects the lead inlet 21 thereof.
  • connection pad 18 of the active part 16 has at least two conductor inputs 21, and, at the insulating envelope 17, which comprises, jointly, at least two openings 20, in correspondence, each respectively, with the two conductor inputs 21 of the connection pad 18 of the active part 16, at least one closure flap 26 is associated with which one of these openings 20 can be shut off on demand.
  • connection pad 18 of the active part 16 has, overall, a parallelepipedal contour, and, for example, cubic.
  • connection pad 18 extends on both sides of its threaded bore 24, opening out one and the other into the latter, and they are therefore aligned back to back according to an alignment direction D1 vis-à-vis which the conduction tab 22 extends transversely.
  • the axis A of the threaded bore 24 is perpendicular to the elongation direction D2 of the conduction tongue 22, and the alignment direction D1 of the two lead inputs 21 is perpendicular to the plane passing through this axis A and by this elongation direction D2.
  • the conduction tab 22 of the active part 16 comprises, successively, starting from the connection pad 18, two sections, namely, a root section 28, by which it is connected by a single holding to this connection pad 18, and an end section 29, by which it is intended to come into contact with a tooth 13 of the supply bar 11.
  • the root portion 28 extends halfway up the connection pad 18, perpendicularly to the corresponding face thereof, along a width L1, which in practice is equal to that of this face.
  • the end section 29 extends along a lower width L2, while being centered with respect to the root section 28.
  • this end section 29 has, perpendicular to the direction in which it must be applied to a tooth 13 of the supply bar 11, a thickness E2 greater than that E1 of the root section 28.
  • the end portion 29 has, with respect to the thickness E1 of the root portion 28, an extra thickness E'2, E "2 on both of its two parts. main faces 30, 31, that is to say on one and the other of the two faces which extend perpendicular to the direction in which it is intended to be superimposed on a tooth 13 of the power bar 11.
  • the extra thickness E'2 on the upper main face of the end portion 29 is greater than the extra thickness E "2 on its lower main face 31.
  • the direction in which the end portion 29 is intended to be superimposed on a tooth 13 of the supply bar 11 is parallel to the axis A of the threaded bore 24 of the connection pad 18.
  • one and the other of these main faces 30, 31 are each connected respectively by a chamfer 32, 33 to the root section 28.
  • the root portion 28 has an elongated rectangular contour in the alignment direction D1 of the conductor inlets 21 of the connection pad 18, while the end portion 29 has a substantially square contour.
  • this conduction tab 22 is in one piece with the connection pad 18.
  • the assembly may for example be very simply constituted by a duly cut and machined profile section.
  • the insulating envelope 17 comprises, on its side, on the one hand, a upper portion 35, which is bell-shaped, to the contour of the connection pad 18 of the active part 16, and by which it is adapted to cap this connection pad 18, and, secondly, a bottom flap 36 which, articulated by a hinge zone 37 to the upper portion 35, along a face 38 thereof, and, more precisely, along the free edge of the face 38 of the upper portion 35 opposite to the tongue 22, is able to extend under the connection pad 18 of the active part 16.
  • the hinge zone 37 which results from a simple local thinning of the material, extends perpendicularly to the conduction tongue 22.
  • the openings 20 of the insulating envelope 17 are formed by indentations affecting two opposite faces 39 of its upper portion 35, on either side of that, 38, along which is articulated the bottom flap 36.
  • these openings 20 are arch-shaped, with straight lateral edges and a semicircular ridge zone.
  • the upper portion 35 of the insulating envelope 17 has an opening 41, to give access to the threaded bore 24 of the connection pad 18 of the active part 16, and, for the housing and the retainer, to the corresponding clamping screw 23, it includes, around this opening 41, a well 42 having inwardly projecting an angled return 43 along its free edge.
  • closure flap 26 provided according to the invention is permanently attached to the insulating envelope 17.
  • the closure flap 26 is articulated to the bottom flap 36, by a hinge zone 44, which is perpendicular to the own hinge zone 37 of the bottom flap 36, and which is therefore parallel to the conduction tab 22 of the active part 16.
  • the insulating envelope 17 comprises two closure flaps 26, which, each associated respectively with its two openings 20, are able to close on demand one or the other of these.
  • closure flaps 26 are in practice articulated to the bottom flap 36 along two opposite sides thereof, each extending respectively on either side of the hinge zone 37 of this bottom flap 36.
  • their hinge zone 44 is formed by a thin strip which extends generally over their entire width.
  • the shutters 26 and the upper portion 35 of the insulating casing 17 are provided, in the embodiments shown, snap-fastening means adapted to hold these shutters 26 in the closed position.
  • these latching means comprise hooks 45, which extend from place to place projecting on the faces 39 of this upper portion 35, along the opening 20 that they have, and, together, the closure flaps 26 have their beveled free edge, to facilitate their engagement with these hooks 45.
  • latching means are provided between the bottom flap 36 and the upper portion 35 of the insulating casing 17, intervene, in the embodiments shown, latching means.
  • these latching means comprise, on the one hand, on the bottom flap 36, at the ends of the free edge thereof, two lugs 46, which project laterally, and, d ' on the other hand, on the opposite face 47 of the upper portion 35, two lugs 49, which, in extension of the corresponding hooks 45 present protruding on the faces 39 of this upper portion 35, are themselves shaped hook.
  • the insulating envelope 17 comprises, on the side of the face 47 of the upper portion 35 opposite the bottom flap 36, two lateral extensions 51, 52, one upper, the other lower , by which it is able to grip the root section 28 of the conduction tab 22 of the active part 16.
  • the upper lateral extension 51 protrudes over the face 47 of the upper portion 35, perpendicularly to this face 47.
  • the lateral extension 52 below is articulated to the lateral extension 51 upper by a hinge zone 54 parallel to the conduction tab 22.
  • these latching means comprise, on the one hand, projecting on the lateral extension 51, on the side thereof opposite the lateral extension 52 below, a rib 56, and, of on the other hand, projecting from the lateral extension 52 below, on the side thereof opposite to the lateral extension 51, a tab 57 which, perforated in the form of a loop, is able to hook on the rib 56.
  • the conduction tab 22 of the active part 16 of the arrival terminal 10 according to the invention is superimposed, by its end section 29, on a tooth 13 of the supply bar 11.
  • connection terminal 60 in which the assembly is to be engaged is of elevator type, this superposition is made from below, that is to say on the side of the lower side of the tooth 13 concerned of the power bar 11.
  • a connection terminal 60 of elevator type comprises, in fact, on the one hand, a fixed contact element 61, on which bears the corresponding clamping screw 62, and, on the other hand, a movable contact element 63, which, in the form of a stirrup, surrounds the fixed contact element 61, and with which the clamping screw 62 meshes, and the elements to be clamped must be engaged between the fixed contact element 61 and the strand of the movable contact element 63 opposite that with which the clamping screw 62 meshes.
  • the excess thickness E'2 that presents on its upper main face the end section 29 of the conduction tab 22 allows the contact of this conduction tab 22 with the tooth 13 of the supply bar 11 despite the presence of the thicknesses of insulation due, on the one hand, to the insulating sheath 14 of the supply bar 11, and, on the other hand, to the lateral extension 51 upper of the insulating envelope 17 of the arrival terminal 10.
  • the root portion 28 of the conduction tab 22 of the arrival terminal 10 is advantageously isolated in its entirety, on its upper face, by the supply bar 11 and the lateral extension 51 upper of the insulating casing 17, and, on its underside, by the lateral extension 52 of this lower insulating casing 17, for the benefit of security.
  • the electrical conductor 19 to be connected is then engaged in one or the other of the conductor inputs 21 that comprises the connection pad 18 of the active part 16, in favor of the corresponding opening 20 of the insulating envelope 17, and, as shown diagrammatically in solid lines in FIG. 5, the other of the openings 20 of this insulating envelope 17 is then closed by the closure flap 26 which is associated with it, by folding this closing flap 26 around its hinge zone 44, as shown schematically by the arrow F in this figure 5.
  • connection terminal 60 is of the wafer type
  • the superposition, with a tooth 13 of the supply bar 11, of the end section 29 of the conduction tab 22 of the arrival terminal 10 according to the invention, is from above.
  • a wafer connection terminal 60 comprises, as previously, a fixed contact element 61, but the associated clamping screw 62 meshes with a fixed part 63 ', which may for example be constituted by a stirrup surrounding as previously the fixed contact element 61, and it carries with it a wafer 64, which is passed under the free end of its barrel, and that it has to charge closer to the fixed contact element 61, and the elements to be clamped are to be engaged between this plate 64 and this fixed contact element 61.
  • a fixed part 63 ' which may for example be constituted by a stirrup surrounding as previously the fixed contact element 61, and it carries with it a wafer 64, which is passed under the free end of its barrel, and that it has to charge closer to the fixed contact element 61, and the elements to be clamped are to be engaged between this plate 64 and this fixed contact element 61.
  • the lower lateral extension 52 of the insulating envelope 17 is detached from the upper lateral extension 51 and left open.
  • the root section 28 of the conduction tongue 22 is advantageously isolated in its entirety, on its upper face, by the lateral extension 51 of the insulating envelope 17, and, on its underside, by the control bar. 11.
  • the end section 29 of the conduction tab 22 of the arrival terminal 10 according to the invention has a thickness equal to that of its root section 28.
  • this conduction tab 22 is even thick.
  • this conduction tab 22 is bent.
  • the offset of the end portion 29 of the conduction tab 22 with respect to its root portion 28 is on the side of the clamping screw 23 of the connection pad 18.
  • the arrival terminal 10 according to the invention is suitable only in the case where the connection terminal 60 is of the elevator type.
  • At least one closure flap 26, for closing the opening 20 of the insulating casing 17 corresponding to the input 21 unused driver.
  • closure flaps 26 are provided, according to provisions of the same type as those described with reference to FIGS. 1 to 7.
  • the lower lateral extension 52 of the insulating envelope 17 is adjacent to the bottom flap 36, being connected in one piece to the free edge thereof via a back to square 54 '.
  • the present invention is not limited to the embodiments described and shown, but encompasses any variant of execution and / or combination of their various elements.
  • this single closure flap could be attached to the insulating casing by a hinge of sufficient length to allow the implant to the right of one or other of the openings thereof.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)

Abstract

The input wire feed rail has a conductor section (16) with protruding section and two side wire holes (21) with securing section (23), for electrical conductors. The protruding section is secured by a channel section. The conductor section is covered by an isolating section. The isolating section has a closing shutter (26) which can close one of the wire openings as required.

Description

La présente invention concerne d'une manière générale les barres d'alimentation en forme de peigne du type de celles mises en oeuvre par exemple pour la desserte conjointe d'une pluralité d'appareils électriques modulaires alignés côte à côte sur un même support.The present invention generally relates to the comb-shaped power bars of the type used for example for the joint service of a plurality of modular electrical appliances aligned side by side on the same support.

Outre une longrine, par laquelle elles courent le long des appareils électriques modulaires à desservir, et qui, le plus souvent, est protégée par une gaine isolante, ces barres d'alimentation comportent, transversalement, de place en place, suivant un pas régulier, une pluralité de dents, par lesquelles elles sont adaptées à venir en prise avec la borne de connexion concernée de ces appareils électriques modulaires ou, au moins, celle de certains d'entre eux.In addition to a sill, through which they run along the modular electrical appliances to be served, and which, most often, is protected by an insulating sheath, these power bars have, transversely, from place to place, in a regular step, a plurality of teeth, by which they are adapted to engage with the relevant connection terminal of these modular electrical devices or, at least, that of some of them.

La présente invention vise plus particulièrement la borne d'arrivée qu'il est usuel d'associer à une telle barre d'alimentation pour assurer son propre raccordement à un conducteur électrique susceptible de la relier à une quelconque source d'alimentation.The present invention relates more particularly to the terminal that it is customary to associate with such a power bar to ensure its own connection to an electrical conductor capable of connecting it to any power source.

Une telle borne d'arrivée est connue du document DE 295 02 063.6.Such an arrival terminal is known from DE 295 02 063.6.

Cette borne d'arrivée comporte, globalement, une partie active conductrice, et, enrobant au moins en partie celle-ci, une enveloppe isolante, la partie active formant par elle-même, d'une part, un plot de connexion, qui, pour permettre l'engagement d'un conducteur électrique à raccorder, présente, au droit d'une ouverture de l'enveloppe isolante, au moins une entrée de conducteur, et, d'autre part, une languette de conduction, qui fait saillie hors de l'enveloppe isolante, et qui, notamment lorsque la longrine de la barre d'alimentation est protégée par une gaine isolante, est destinée à se superposer, au moins localement, à une dent de cette barre d'alimentation, pour contact avec cette dent et engagement conjoint avec elle dans la borne de connexion correspondante de l'un quelconque des appareils électriques modulaires concernés.This terminal terminal comprises, globally, a conductive active part, and, at least partially encasing the latter, an insulating envelope, the active part forming by itself, on the one hand, a connection pad, which, to allow the engagement of an electrical conductor to connect, present, at the right of an opening of the insulating envelope, at least one driver input, and, secondly, a conduction tab, which projects out of the insulating envelope, and which, especially when the sill of the supply bar is protected by an insulating sheath, is intended to be superimposed, at least locally, on a tooth of this supply bar, for contact with this tooth and joint engagement with it in the corresponding connection terminal of any of the modular electrical appliances concerned.

Les bornes d'arrivée de ce type connues à ce jour présentent divers inconvénients.The arrival terminals of this type known to date have various disadvantages.

Tout d'abord, elles n'offrent aucun choix pour le sens d'arrivée du conducteur électrique à raccorder, ce sens d'arrivée étant en pratique nécessairement imposé par l'orientation de l'entrée de conducteur unique qu'elles comportent.First, they offer no choice for the direction of arrival of the electrical conductor to be connected, this meaning in practice necessarily imposed by the orientation of the single driver input they comprise.

De même, elles n'offrent le plus souvent aucun choix pour la possibilité d'implantation de leur languette de conduction par rapport à la dent de la barre d'alimentation à laquelle celle-ci doit être superposée, ce qui limite en pratique leur champ d'application à tel ou tel type de borne de connexion pour les appareils électriques modulaires concernés.Similarly, they usually offer no choice for the possibility of implantation of their conduction tab relative to the tooth of the power bar to which it must be superimposed, which limits in practice their field application to this or that type of connection terminal for the modular electrical appliances concerned.

La présente invention a d'une manière générale pour objet une borne d'arrivée pour barre d'alimentation en forme de peigne exempte de ces inconvénients et présentant en outre d'autres avantages.The present invention generally relates to a terminal terminal for comb-shaped power bar free from these disadvantages and further having other advantages.

Cette borne d'arrivée, qui est du genre exposé ci-dessus, est d'une manière générale caractérisée en ce qu' il est associé au moins un volet de fermeture apte à obturer à la demande l'une de ces ouvertures.This arrival terminal, which is of the kind described above, is generally characterized in that it is associated with at least one closure flap capable of sealing one of these openings on demand.

Ainsi, suivant le câblage à réaliser, il est avantageusement possible de choisir celle ou celle des entrées de conducteur du plot de connexion de la partie active qui convient le mieux à ce câblage.Thus, depending on the wiring to be performed, it is advantageously possible to choose the one or the conductor inputs of the connection pad of the active part that is best suited to this wiring.

Par exemple, ces deux entrées de conducteur peuvent être alignées dos à dos suivant une direction d'alignement perpendiculaire au plan passant par l'axe du perçage taraudé qui les recoupe et par la direction d'allongement de la languette de conduction, et, donc, parallèle à la longrine de la barre d'alimentation.For example, these two driver inputs can be aligned back to back in an alignment direction perpendicular to the plane passing through the axis of the threaded hole that intersects and the direction of elongation of the conduction tab, and therefore , parallel to the sill of the power bar.

Il est ainsi avantageusement possible de se satisfaire si nécessaire d'un sens d'arrivée à droite ou à gauche pour le conducteur électrique à raccorder à la borne d'arrivée suivant l'invention.It is thus advantageously possible to satisfy, if necessary, a direction of arrival to the right or left for the electrical conductor to be connected to the incoming terminal according to the invention.

Dans tous les cas, l'entrée de conducteur non utilisée est dûment obturée par le volet de fermeture prévu à cet effet.In any case, the unused driver input is duly closed by the closing flap provided for this purpose.

La continuité de l'enveloppe isolante se trouve ainsi assurée au droit de cette entrée de conducteur, au bénéfice de la sécurité.The continuity of the insulating envelope is thus ensured at the right of this driver input, for the benefit of safety.

Corollairement, la borne d'arrivée suivant l'invention présente un encombrement relativement réduit et sa tenue, câblée, est particulièrement satisfaisante.As a corollary, the arrival terminal according to the invention has a relatively small footprint and its resistance, wired, is particularly satisfactory.

Enfin, le fait qu'elle puisse être câblée suivant l'une ou l'autre de ses deux entrées de conducteur facilite son câblage et la rend avantageusement plus facilement réutilisable en cas de modification de l'installation.Finally, the fact that it can be wired along one or the other of its two driver inputs facilitates its wiring and makes it advantageously more easily reusable in case of modification of the installation.

Il suffit, en effet, de la placer ou déplacer en conséquence.It is enough, indeed, to place it or move accordingly.

Préférentiellement, l'enveloppe isolante de la borne d'arrivée suivant l'invention comporte une portion supérieure, en forme de cloche, par laquelle elle est adaptée à coiffer le plot de connexion de la partie active, et un rabat de fond, qui, articulé à la portion supérieure, est apte à s'étendre sous ce plot de connexion.Preferably, the insulating envelope of the arrival terminal according to the invention comprises an upper portion, in the form of a bell, by which it is adapted to cap the connection pad of the active part, and a bottom flap, which, articulated to the upper portion, is able to extend under this connection pad.

En outre, lorsque la languette de conduction de la partie active comporte successivement deux tronçons à compter du plot de connexion, à savoir, un tronçon de racine et un tronçon d'extrémité, l'enveloppe isolante comporte deux prolongements latéraux, l'un supérieur, l'autre inférieur, par lesquels elle est apte à enserrer le tronçon de racine de la languette de conduction.In addition, when the conduction tab of the active part comprises successively two sections from the connection pad, namely, a root section and an end section, the insulating envelope has two lateral extensions, the upper one the other lower, by which it is able to grip the root portion of the conduction tab.

Ainsi, dans tous les cas d'utilisation, aucun accès n'est possible par dessous à la partie active de la borne d'arrivée suivant l'invention, au bénéfice de la sécurité.Thus, in all cases of use, no access is possible from below to the active part of the arrival terminal according to the invention, for the benefit of security.

Préférentiellement, mais non pas obligatoirement, lorsque, comme indiqué, la languette de conduction de la partie active comporte successivement deux tronçons à compter du plot de connexion, le tronçon d'extrémité a une épaisseur supérieure à celle du tronçon de racine.Preferably, but not necessarily, when, as indicated, the conduction tab of the active part comprises successively two sections from the connection pad, the end portion has a thickness greater than that of the root section.

Grâce à cette disposition, la languette de conduction de la borne d'arrivée suivant l'invention peut indifféremment se superposer par dessus ou par dessous à une dent de la barre d'alimentation.With this arrangement, the conduction tab of the arrival terminal according to the invention can indifferently overlap over or under a tooth of the power bar.

La borne d'arrivée suivant l'invention convient alors aussi bien au cas où la borne de connexion correspondante de l'appareil électrique modulaire concerné est une borne du type dit à plaquette, qu'au cas où il s'agit d'une borne du type dit ascenseur, ce qui facilite encore sa capacité de réutilisation lors d'une éventuelle modification de l'installation dans laquelle elle intervient.The terminal of the invention according to the invention is also suitable for the case where the corresponding connection terminal of the modular electrical appliance concerned is a terminal of the type called wafer, that in case it is a terminal the so-called elevator type, which further facilitates its ability to reuse during a possible modification of the installation in which it operates.

Les caractéristiques et avantages de l'invention ressortiront d'ailleurs de la description qui va suivre, à titre d'exemple, en référence aux dessins schématiques annexés sur lesquels:

  • la figure 1 est une vue en perspective d'une borne d'arrivée suivant l'invention ;
  • la figure 2 en est une vue en perspective éclatée ;
  • la figure 3 est une vue en perspective illustrant cette borne d'arrivée en place au contact d'une des dents d'une barre d'alimentation en forme de peigne, suivant une première implantation possible par rapport à cette dent ;
  • la figure 4 est une vue en coupe transversale de l'ensemble, suivant la ligne IV-IV de la figure 3 ;
  • la figure 5 est une vue en coupe longitudinale de la borne d'arrivée suivant l'invention, suivant la ligne V-V de la figure 3 ;
  • les figures 6 et 7 sont des vues qui, analogues, chacune respectivement, à celles des figures 3, 4, se rapportent à un deuxième mode d'implantation possible de la borne d'arrivée suivant l'invention par rapport à la dent concernée de la barre d'alimentation;
  • les figures 8 et 9 sont des vues qui, analogues, chacune respectivement, à celles des figures 2 et 4, se rapportent à une variante de réalisation.
The characteristics and advantages of the invention will emerge from the following description, by way of example, with reference to the appended diagrammatic drawings in which:
  • Figure 1 is a perspective view of an arrival terminal according to the invention;
  • Figure 2 is an exploded perspective view;
  • FIG. 3 is a perspective view illustrating this arrival terminal in place in contact with one of the teeth of a comb-shaped power bar, according to a first possible implantation with respect to this tooth;
  • Figure 4 is a cross-sectional view of the assembly along the line IV-IV of Figure 3;
  • Figure 5 is a longitudinal sectional view of the arrival terminal according to the invention, along the line VV of Figure 3;
  • FIGS. 6 and 7 are views which, similar to each of those of FIGS. 3 and 4, respectively, relate to a second possible embodiment of the arrival terminal according to the invention with respect to the tooth concerned. the power bar;
  • Figures 8 and 9 are views which, similar respectively to those of Figures 2 and 4, relate to an alternative embodiment.

Tel qu'illustré sur ces figures, et ainsi qu'il est par exemple mieux visible sur la figure 3, la borne d'arrivée 10 suivant l'invention est destinée à être associée à une barre d'alimentation 11, qui, en forme générale de peigne, comporte, d'une part, une longrine 12, et, d'autre part, issues transversalement de place en place de cette longrine 12, suivant un pas régulier, des dents 13.As illustrated in these figures, and as it is for example better visible in Figure 3, the arrival terminal 10 according to the invention is intended to be associated with a power bar 11, which in form general comb, features, on the one hand, a sill 12, and, on the other hand, issuing transversely from place to place of this sill 12, in a regular pitch, teeth 13.

Dans la forme de réalisation représentée, la longrine 12 de la barre d'alimentation 11 est entourée par une gaine isolante 14.In the embodiment shown, the sill 12 of the supply bar 11 is surrounded by an insulating sheath 14.

Quoi qu'il en soit, cette barre d'alimentation 11 étant bien connue par elle-même, et ne relevant pas en propre de la présente invention, elle ne sera pas décrite plus en détail ici.Anyway, this power bar 11 is well known by itself, and not falling within the scope of the present invention, it will not be described in more detail here.

De manière également connue en soi, la borne d'arrivée 10 suivant l'invention comporte, d'une part, une partie active 16, qui est conductrice, et, d'autre part, enrobant au moins en partie cette partie active 16, une enveloppe isolante 17.In a way also known per se, the arrival terminal 10 according to the invention comprises, on the one hand, an active part 16, which is conductive, and, on the other hand, at least partly coating this active part 16, an insulating envelope 17.

La partie active 16 comporte elle-même, d'une part, un plot de connexion 18, qui, pour permettre l'engagement d'un conducteur électrique 19 à raccorder, présente, au droit d'une ouverture 20 de l'enveloppe isolante 17, au moins une entrée de conducteur 21, et, d'autre part, une languette de conduction 22, qui, destinée à se superposer, au moins localement, suivant des modalités décrites plus en détail ultérieurement, à une dent 13 de la barre d'alimentation 11, pour contact avec celle-ci, fait saillie hors de l'enveloppe isolante 17.The active part 16 itself comprises, on the one hand, a connection pad 18, which, to allow the engagement of an electrical conductor 19 to be connected, present, to the right of an opening 20 of the insulating envelope 17, at least one conductor inlet 21, and, secondly, a conduction tab 22, which, intended to be superimposed, at least locally, according to modalities described in more detail later, to a tooth 13 of the bar 11, for contact with it, protrudes out of the insulating envelope 17.

La partie active 16 comporte également une vis de serrage 23 destinée à coopérer en vissage avec un perçage taraudé 24 du plot de connexion 18 qui recoupe transversalement l'entrée de conducteur 21 de celui-ci.The active part 16 also comprises a clamping screw 23 intended to cooperate in screwing with a threaded bore 24 of the connection pad 18 which transversely intersects the lead inlet 21 thereof.

Suivant l'invention, le plot de connexion 18 de la partie active 16 présente au moins deux entrées de conducteur 21, et, à l'enveloppe isolante 17, qui comporte, conjointement, au moins deux ouvertures 20, en correspondance, chacune respectivement, avec les deux entrées de conducteur 21 du plot de connexion 18 de la partie active 16, il est associé au moins un volet de fermeture 26 apte à obturer à la demande l'une de ces ouvertures 20.According to the invention, the connection pad 18 of the active part 16 has at least two conductor inputs 21, and, at the insulating envelope 17, which comprises, jointly, at least two openings 20, in correspondence, each respectively, with the two conductor inputs 21 of the connection pad 18 of the active part 16, at least one closure flap 26 is associated with which one of these openings 20 can be shut off on demand.

Dans les formes de réalisation représentées, le plot de connexion 18 de la partie active 16 a, globalement, un contour parallélépipédique, et, par exemple, cubique.In the embodiments shown, the connection pad 18 of the active part 16 has, overall, a parallelepipedal contour, and, for example, cubic.

Il ne comporte en outre que deux entrées de conducteur 21 dans ces formes de réalisation, et, par voie de conséquence, l'enveloppe isolante 17 ne comporte elle-même que deux ouvertures 20.It further comprises only two driver inputs 21 in these embodiments, and consequently the insulating envelope 17 itself has only two openings 20.

Les deux entrées de conducteur 21 que comporte donc le plot de connexion 18 s'étendent de part et d'autre de son perçage taraudé 24, en débouchant l'une et l'autre dans celui-ci, et elles sont donc alignées dos à dos suivant une direction d'alignement D1 vis-à-vis de laquelle la languette de conduction 22 s'étend transversalement.The two conductor inlets 21 which therefore comprises the connection pad 18 extend on both sides of its threaded bore 24, opening out one and the other into the latter, and they are therefore aligned back to back according to an alignment direction D1 vis-à-vis which the conduction tab 22 extends transversely.

Plus précisément, dans ces formes de réalisation, l'axe A du perçage taraudé 24 est perpendiculaire à la direction d'allongement D2 de la languette de conduction 22, et la direction d'alignement D1 des deux entrées de conducteur 21 est perpendiculaire au plan passant par cet axe A et par cette direction d'allongement D2.More specifically, in these embodiments, the axis A of the threaded bore 24 is perpendicular to the elongation direction D2 of the conduction tongue 22, and the alignment direction D1 of the two lead inputs 21 is perpendicular to the plane passing through this axis A and by this elongation direction D2.

Dans les formes de réalisation représentées, la languette de conduction 22 de la partie active 16 comporte, successivement, à compter du plot de connexion 18, deux tronçons, à savoir, un tronçon de racine 28, par lequel elle se rattache d'un seul tenant à ce plot de connexion 18, et un tronçon d'extrémité 29, par lequel elle est destinée à venir au contact d'une dent 13 de la barre d'alimentation 11.In the embodiments shown, the conduction tab 22 of the active part 16 comprises, successively, starting from the connection pad 18, two sections, namely, a root section 28, by which it is connected by a single holding to this connection pad 18, and an end section 29, by which it is intended to come into contact with a tooth 13 of the supply bar 11.

Le tronçon de racine 28 s'étend à mi-hauteur du plot de connexion 18, perpendiculairement à la face correspondante de celui-ci, suivant une largeur L1, qui, en pratique, est égale à celle de cette face.The root portion 28 extends halfway up the connection pad 18, perpendicularly to the corresponding face thereof, along a width L1, which in practice is equal to that of this face.

Par contre, le tronçon d'extrémité 29 s'étend suivant une largeur L2 inférieure, tout en étant centré par rapport au tronçon de racine 28.On the other hand, the end section 29 extends along a lower width L2, while being centered with respect to the root section 28.

De plus, dans la forme de réalisation plus particulièrement représentée sur les figures 1 à 7, ce tronçon d'extrémité 29 a, perpendiculairement à la direction suivant laquelle il doit être appliqué à une dent 13 de la barre d'alimentation 11, une épaisseur E2 supérieure à celle E1 du tronçon de racine 28.Moreover, in the embodiment more particularly shown in FIGS. 1 to 7, this end section 29 has, perpendicular to the direction in which it must be applied to a tooth 13 of the supply bar 11, a thickness E2 greater than that E1 of the root section 28.

Plus précisément, dans cette forme de réalisation, le tronçon d'extrémité 29 comporte, par rapport à l'épaisseur E1 du tronçon de racine 28, une surépaisseur E'2, E"2 sur l'une et l'autre de ses deux faces principales 30, 31, c'est-à-dire sur l'une et l'autre des deux faces qui s'étendent perpendiculairement à la direction suivant laquelle il est destiné à se superposer à une dent 13 de la barre d'alimentation 11.More specifically, in this embodiment, the end portion 29 has, with respect to the thickness E1 of the root portion 28, an extra thickness E'2, E "2 on both of its two parts. main faces 30, 31, that is to say on one and the other of the two faces which extend perpendicular to the direction in which it is intended to be superimposed on a tooth 13 of the power bar 11.

Plus précisément, encore, dans cette forme de réalisation, la surépaisseur E'2 sur la face principale 30 supérieure du tronçon d'extrémité 29 est plus importante que la surépaisseur E"2 sur sa face principale 31 inférieure.More specifically, again, in this embodiment, the extra thickness E'2 on the upper main face of the end portion 29 is greater than the extra thickness E "2 on its lower main face 31.

Dans la forme de réalisation représentée, la direction suivant laquelle le tronçon d'extrémité 29 est destiné à se superposer à une dent 13 de la barre d'alimentation 11 est parallèle à l'axe A du perçage taraudé 24 du plot de connexion 18.In the embodiment shown, the direction in which the end portion 29 is intended to be superimposed on a tooth 13 of the supply bar 11 is parallel to the axis A of the threaded bore 24 of the connection pad 18.

Sa face principale 30 supérieure et sa face principale 31 inférieure sont donc l'une et l'autre perpendiculaires à cet axe A.Its upper main face 30 and its lower main face 31 are therefore both perpendicular to this axis A.

Préférentiellement, et tel que représenté, l'une et l'autre de ces faces principales 30, 31 se raccordent chacune respectivement par un chanfrein 32, 33 au tronçon de racine 28.Preferably, and as shown, one and the other of these main faces 30, 31 are each connected respectively by a chamfer 32, 33 to the root section 28.

En section transversale, le tronçon de racine 28 a un contour rectangulaire allongé suivant la direction d'alignement D1 des entrées de conducteur 21 du plot de connexion 18, tandis que le tronçon d'extrémité 29 a un contour sensiblement carré.In cross-section, the root portion 28 has an elongated rectangular contour in the alignment direction D1 of the conductor inlets 21 of the connection pad 18, while the end portion 29 has a substantially square contour.

Mais, abstraction faite de cette différence, et abstraction des surépaisseurs E'2 et E"2 que présente le tronçon d'extrémité 29 par rapport au tronçon de racine 28, la languette de conduction 22 est globalement rectiligne.But, apart from this difference, and abstraction of the extra thicknesses E'2 and E "2 that the end portion 29 has with respect to the root portion 28, the conduction tongue 22 is generally straight.

En pratique, cette languette de conduction 22 est d'un seul tenant avec le plot de connexion 18.In practice, this conduction tab 22 is in one piece with the connection pad 18.

L'ensemble peut par exemple être très simplement constitué par un tronçon de profilé dûment découpé et usiné.The assembly may for example be very simply constituted by a duly cut and machined profile section.

Dans les formes de réalisation représentées, l'enveloppe isolante 17 comporte, de son côté, d'une part, une portion supérieure 35, qui est en forme de cloche, au contour du plot de connexion 18 de la partie active 16, et par laquelle elle est adaptée à coiffer ce plot de connexion 18, et, d'autre part, un rabat de fond 36, qui, articulé par une zone charnière 37 à la portion supérieure 35, le long d'une face 38 de celle-ci, et, plus précisément, le long du bord libre de la face 38 de la portion supérieure 35 opposée à la languette de conduction 22, est apte à s'étendre sous le plot de connexion 18 de la partie active 16.In the embodiments shown, the insulating envelope 17 comprises, on its side, on the one hand, a upper portion 35, which is bell-shaped, to the contour of the connection pad 18 of the active part 16, and by which it is adapted to cap this connection pad 18, and, secondly, a bottom flap 36 which, articulated by a hinge zone 37 to the upper portion 35, along a face 38 thereof, and, more precisely, along the free edge of the face 38 of the upper portion 35 opposite to the tongue 22, is able to extend under the connection pad 18 of the active part 16.

La zone charnière 37, qui résulte d'un simple amincissement local de la matière, s'étend perpendiculairement à la languette de conduction 22.The hinge zone 37, which results from a simple local thinning of the material, extends perpendicularly to the conduction tongue 22.

En pratique, dans les formes de réalisation représentées, les ouvertures 20 de l'enveloppe isolante 17 sont formées par des échancrures affectant deux faces 39 opposées de sa portion supérieure 35, de part et d'autre de celle, 38, le long de laquelle est articulé le rabat de fond 36.In practice, in the embodiments shown, the openings 20 of the insulating envelope 17 are formed by indentations affecting two opposite faces 39 of its upper portion 35, on either side of that, 38, along which is articulated the bottom flap 36.

En pratique, également, ces ouvertures 20 sont en forme d'arche, avec des bords latéraux droits et une zone de crête en demi-cercle.In practice, too, these openings 20 are arch-shaped, with straight lateral edges and a semicircular ridge zone.

Sur sa face supérieure 40, la portion supérieure 35 de l'enveloppe isolante 17 présente une ouverture 41, pour donner accès au perçage taraudé 24 du plot de connexion 18 de la partie active 16, et, pour le logement, et la retenue, de la vis de serrage 23 correspondante, elle comporte, autour de cette ouverture 41, un puits 42 présentant en saillie vers l'intérieur un retour en équerre 43 le long de son bord libre.On its upper face 40, the upper portion 35 of the insulating envelope 17 has an opening 41, to give access to the threaded bore 24 of the connection pad 18 of the active part 16, and, for the housing and the retainer, to the corresponding clamping screw 23, it includes, around this opening 41, a well 42 having inwardly projecting an angled return 43 along its free edge.

Préférentiellement, le volet de fermeture 26 prévu suivant l'invention est attenant à demeure à l'enveloppe isolante 17.Preferably, the closure flap 26 provided according to the invention is permanently attached to the insulating envelope 17.

Dans les formes de réalisation représentées, il est articulé à demeure à cette enveloppe isolante 17.In the embodiments shown, it is articulated permanently to this insulating envelope 17.

Plus précisément, dans ces formes de réalisation, le volet de fermeture 26 est articulé au rabat de fond 36, par une zone charnière 44, qui est perpendiculaire à la propre zone charnière 37 de ce rabat de fond 36, et qui est donc parallèle à la languette de conduction 22 de la partie active 16.More specifically, in these embodiments, the closure flap 26 is articulated to the bottom flap 36, by a hinge zone 44, which is perpendicular to the own hinge zone 37 of the bottom flap 36, and which is therefore parallel to the conduction tab 22 of the active part 16.

Préférentiellement, également, l'enveloppe isolante 17 comporte deux volets de fermeture 26, qui, associés chacun respectivement à ses deux ouvertures 20, sont aptes à obturer à la demande l'une ou l'autre de celles-ci.Preferably, also, the insulating envelope 17 comprises two closure flaps 26, which, each associated respectively with its two openings 20, are able to close on demand one or the other of these.

Ces deux volets de fermeture 26 sont en pratique articulés au rabat de fond 36 le long de deux côtés opposés de celui-ci, en s'étendant chacun respectivement de part et d'autre de la zone charnière 37 de ce rabat de fond 36.These two closure flaps 26 are in practice articulated to the bottom flap 36 along two opposite sides thereof, each extending respectively on either side of the hinge zone 37 of this bottom flap 36.

Les volets de fermeture 26, qui sont identiques entre eux, et qui s'étendent de manière symétrique de part et d'autre du rabat de fond 36, sont, bien entendu, au contour des ouvertures 20.The shutters 26, which are identical to each other and which extend symmetrically on either side of the bottom flap 36, are, of course, at the contour of the openings 20.

Dans les formes de réalisation représentées, leur zone charnière 44 est formée par une lamelle mince qui s'étend globalement sur toute leur largeur.In the embodiments shown, their hinge zone 44 is formed by a thin strip which extends generally over their entire width.

Préférentiellement, entre les volets de fermeture 26 et la portion supérieure 35 de l'enveloppe isolante 17 sont prévus, dans les formes de réalisation représentées, des moyens d'encliquetage aptes à un maintien en position d'obturation de ces volets de fermeture 26.Preferably, between the shutters 26 and the upper portion 35 of the insulating casing 17 are provided, in the embodiments shown, snap-fastening means adapted to hold these shutters 26 in the closed position.

Par exemple, et tel que représenté, ces moyens d'encliquetage comportent des crochets 45, qui s'étendent de place en place en saillie sur les faces 39 de cette portion supérieure 35, le long de l'ouverture 20 qu'elles présentent, et, conjointement, les volets de fermeture 26 ont leur bord libre façonné en biseau, pour faciliter leur venue en prise avec ces crochets 45.For example, and as shown, these latching means comprise hooks 45, which extend from place to place projecting on the faces 39 of this upper portion 35, along the opening 20 that they have, and, together, the closure flaps 26 have their beveled free edge, to facilitate their engagement with these hooks 45.

Préférentiellement, également, entre le rabat de fond 36 et la portion supérieure 35 de l'enveloppe isolante 17, interviennent, dans les formes de réalisation représentées, des moyens d'encliquetage.Preferably, also, between the bottom flap 36 and the upper portion 35 of the insulating casing 17, intervene, in the embodiments shown, latching means.

Par exemple, et tel que représenté, ces moyens d'encliquetage comportent, d'une part, sur le rabat de fond 36, aux extrémités du bord libre de celui-ci, deux pattes 46, qui font saillie latéralement, et, d'autre part, sur la face 47 opposée de la portion supérieure 35, deux pattes 49, qui, venant en prolongement des crochets 45 correspondants présents en saillie sur les faces 39 de cette portion supérieure 35, sont elles-mêmes conformées en crochet.For example, and as shown, these latching means comprise, on the one hand, on the bottom flap 36, at the ends of the free edge thereof, two lugs 46, which project laterally, and, d ' on the other hand, on the opposite face 47 of the upper portion 35, two lugs 49, which, in extension of the corresponding hooks 45 present protruding on the faces 39 of this upper portion 35, are themselves shaped hook.

Enfin, dans les formes de réalisation représentées, l'enveloppe isolante 17 comporte, du côté de la face 47 de la portion supérieure 35 opposée au rabat de fond 36, deux prolongements latéraux 51, 52, l'un supérieur, l'autre inférieur, par lesquels elle est apte à enserrer le tronçon de racine 28 de la languette de conduction 22 de la partie active 16.Finally, in the embodiments shown, the insulating envelope 17 comprises, on the side of the face 47 of the upper portion 35 opposite the bottom flap 36, two lateral extensions 51, 52, one upper, the other lower , by which it is able to grip the root section 28 of the conduction tab 22 of the active part 16.

Le prolongement latéral 51 supérieur s'étend en saillie sur la face 47 de la portion supérieure 35, perpendiculairement à cette face 47.The upper lateral extension 51 protrudes over the face 47 of the upper portion 35, perpendicularly to this face 47.

Il comporte, latéralement, deux bords tombés 53.It has, laterally, two fallen edges 53.

Dans les formes de réalisation plus particulièrement représentées sur les figures 1 à 7, le prolongement latéral 52 inférieur est articulé au prolongement latéral 51 supérieur par une zone charnière 54 parallèle à la languette de conduction 22.In the embodiments more particularly shown in FIGS. 1 to 7, the lateral extension 52 below is articulated to the lateral extension 51 upper by a hinge zone 54 parallel to the conduction tab 22.

Conjointement, entre ces deux prolongements latéraux 51, 52 de l'enveloppe isolante 17 interviennent, préférentiellement, des moyens d'encliquetage.Together, between these two lateral extensions 51, 52 of the insulating envelope 17 intervene, preferably, latching means.

Par exemple, et tel que représenté, ces moyens d'encliquetage comportent, d'une part, en saillie sur le prolongement latéral 51 supérieur, du côté de celui-ci opposé au prolongement latéral 52 inférieur, une nervure 56, et, d'autre part, en saillie sur le prolongement latéral 52 inférieur, du côté de celui-ci opposé au prolongement latéral 51 supérieur, une patte 57, qui, ajourée en forme d'anse, est apte à se crocheter sur la nervure 56.For example, and as shown, these latching means comprise, on the one hand, projecting on the lateral extension 51, on the side thereof opposite the lateral extension 52 below, a rib 56, and, of on the other hand, projecting from the lateral extension 52 below, on the side thereof opposite to the lateral extension 51, a tab 57 which, perforated in the form of a loop, is able to hook on the rib 56.

En service, la languette de conduction 22 de la partie active 16 de la borne d'arrivée 10 suivant l'invention est superposée, par son tronçon d'extrémité 29, à une dent 13 de la barre d'alimentation 11.In use, the conduction tab 22 of the active part 16 of the arrival terminal 10 according to the invention is superimposed, by its end section 29, on a tooth 13 of the supply bar 11.

Lorsque, tel que schématisé en traits interrompus sur la figure 4, la borne de connexion 60 dans laquelle l'ensemble doit être engagé est de type ascenseur, cette superposition se fait par en dessous, c'est-à-dire du côté de la face inférieure de la dent 13 concernée de la barre d'alimentation 11.When, as shown schematically in dashed lines in FIG. 4, the connection terminal 60 in which the assembly is to be engaged is of elevator type, this superposition is made from below, that is to say on the side of the lower side of the tooth 13 concerned of the power bar 11.

Ainsi qu'on le sait, une borne de connexion 60 de type ascenseur comporte, en effet, d'une part, un élément de contact fixe 61, sur lequel prend appui la vis de serrage 62 correspondante, et, d'autre part, un élément de contact mobile 63, qui, en forme d'étrier, entoure l'élément de contact fixe 61, et avec lequel engrène la vis de serrage 62, et les éléments à serrer doivent être engagés entre l'élément de contact fixe 61 et le brin de l'élément de contact mobile 63 opposé à celui avec lequel engrène la vis de serrage 62.As is known, a connection terminal 60 of elevator type comprises, in fact, on the one hand, a fixed contact element 61, on which bears the corresponding clamping screw 62, and, on the other hand, a movable contact element 63, which, in the form of a stirrup, surrounds the fixed contact element 61, and with which the clamping screw 62 meshes, and the elements to be clamped must be engaged between the fixed contact element 61 and the strand of the movable contact element 63 opposite that with which the clamping screw 62 meshes.

La surépaisseur E'2 que présente sur sa face principale 30 supérieure le tronçon d'extrémité 29 de la languette de conduction 22 permet le contact de cette languette de conduction 22 avec la dent 13 de la barre d'alimentation 11 malgré la présence des épaisseurs d'isolant dues, d'une part, à la gaine isolante 14 de la barre d'alimentation 11, et, d'autre part, au prolongement latéral 51 supérieur de l'enveloppe isolante 17 de la borne d'arrivée 10.The excess thickness E'2 that presents on its upper main face the end section 29 of the conduction tab 22 allows the contact of this conduction tab 22 with the tooth 13 of the supply bar 11 despite the presence of the thicknesses of insulation due, on the one hand, to the insulating sheath 14 of the supply bar 11, and, on the other hand, to the lateral extension 51 upper of the insulating envelope 17 of the arrival terminal 10.

Ainsi qu'on le notera, le tronçon de racine 28 de la languette de conduction 22 de la borne d'arrivée 10 est avantageusement isolé dans sa totalité, sur sa face supérieure, par la barre d'alimentation 11 et par le prolongement latéral 51 supérieur de l'enveloppe isolante 17, et, sur sa face inférieure, par le prolongement latéral 52 inférieur de cette enveloppe isolante 17, au bénéfice de la sécurité.As will be noted, the root portion 28 of the conduction tab 22 of the arrival terminal 10 is advantageously isolated in its entirety, on its upper face, by the supply bar 11 and the lateral extension 51 upper of the insulating casing 17, and, on its underside, by the lateral extension 52 of this lower insulating casing 17, for the benefit of security.

Tel que schématisé en traits continus, ou en traits interrompus, sur la figure 3, le conducteur électrique 19 à raccorder est alors engagé dans l'une ou l'autre des entrées de conducteur 21 que comporte le plot de connexion 18 de la partie active 16, à la faveur de l'ouverture 20 correspondante de l'enveloppe isolante 17, et, tel que schématisé en traits continus sur la figure 5, l'autre des ouvertures 20 de cette enveloppe isolante 17 est ensuite obturée par le volet de fermeture 26 qui lui est associé, par rabattement de ce volet de fermeture 26 autour de sa zone charnière 44, tel que schématisé par la flèche F sur cette figure 5.As schematized in continuous lines, or in broken lines, in FIG. 3, the electrical conductor 19 to be connected is then engaged in one or the other of the conductor inputs 21 that comprises the connection pad 18 of the active part 16, in favor of the corresponding opening 20 of the insulating envelope 17, and, as shown diagrammatically in solid lines in FIG. 5, the other of the openings 20 of this insulating envelope 17 is then closed by the closure flap 26 which is associated with it, by folding this closing flap 26 around its hinge zone 44, as shown schematically by the arrow F in this figure 5.

Si, tel que schématisé en traits interrompus sur la figure 7, la borne de connexion 60 est du type à plaquette, la superposition, à une dent 13 de la barre d'alimentation 11, du tronçon d'extrémité 29 de la languette de conduction 22 de la borne d'arrivée 10 suivant l'invention, se fait par en dessus.If, as shown schematically in dashed lines in FIG. 7, the connection terminal 60 is of the wafer type, the superposition, with a tooth 13 of the supply bar 11, of the end section 29 of the conduction tab 22 of the arrival terminal 10 according to the invention, is from above.

Ainsi qu'on le sait, une borne de connexion 60 à plaquette comporte, comme précédemment, un élément de contact fixe 61, mais la vis de serrage 62 associée engrène avec une pièce fixe 63', qui peut par exemple être constituée par un étrier entourant comme précédemment l'élément de contact fixe 61, et elle entraîne avec elle une plaquette 64, qui est passée sous l'extrémité libre de son fût, et qu'elle a à charge de rapprocher de l'élément de contact fixe 61, et les éléments à serrer sont à engager entre cette plaquette 64 et cet élément de contact fixe 61.As is known, a wafer connection terminal 60 comprises, as previously, a fixed contact element 61, but the associated clamping screw 62 meshes with a fixed part 63 ', which may for example be constituted by a stirrup surrounding as previously the fixed contact element 61, and it carries with it a wafer 64, which is passed under the free end of its barrel, and that it has to charge closer to the fixed contact element 61, and the elements to be clamped are to be engaged between this plate 64 and this fixed contact element 61.

Dans un tel cas, le prolongement latéral 52 inférieur de l'enveloppe isolante 17 est détaché du prolongement latéral 51 supérieur et laissé ouvert.In such a case, the lower lateral extension 52 of the insulating envelope 17 is detached from the upper lateral extension 51 and left open.

Par exemple, et tel que représenté sur la figure 6, il vient alors reposer latéralement sur la gaine isolante 14 de la barre d'alimentation 11.For example, and as shown in Figure 6, it then comes to rest laterally on the insulating sheath 14 of the supply bar 11.

Il est possible, ainsi, de minimiser la surépaisseur E"2 à donner au tronçon d'extrémité 29 de la languette de conduction 22 sur sa face principale 31 inférieure pour qu'il puisse être au contact de la dent 13 concernée de la barre d'alimentation 11.It is thus possible to minimize the excess thickness E "2 to be given to the end portion 29 of the conduction tongue 22 on its lower main face 31 so that it can be in contact with the tooth 13 concerned of the bar. 11.

C'est la raison pour laquelle cette surépaisseur E"2 est inférieure à la surépaisseur E'2 présente sur la face principale 30 supérieure de ce tronçon d'extrémité 29.This is the reason why this extra thickness E "2 is smaller than the extra thickness E '2 present on the upper main face of this end section 29.

Comme précédemment, le tronçon de racine 28 de la languette de conduction 22 est avantageusement isolé dans sa totalité, sur sa face supérieure, par le prolongement latéral 51 supérieur de l'enveloppe isolante 17, et, sur sa face inférieure, par la barre d'alimentation 11.As previously, the root section 28 of the conduction tongue 22 is advantageously isolated in its entirety, on its upper face, by the lateral extension 51 of the insulating envelope 17, and, on its underside, by the control bar. 11.

Dans la variante de réalisation représentée sur les figures 8 et 9, le tronçon d'extrémité 29 de la languette de conduction 22 de la borne d'arrivée 10 suivant l'invention a une épaisseur égale à celle de son tronçon de racine 28.In the variant embodiment shown in FIGS. 8 and 9, the end section 29 of the conduction tab 22 of the arrival terminal 10 according to the invention has a thickness equal to that of its root section 28.

Autrement dit, cette languette de conduction 22 est équi épaisse.In other words, this conduction tab 22 is even thick.

Mais, pour le décalage nécessaire au contact de son tronçon d'extrémité 29 avec une dent 13 de la barre d'alimentation 11, cette languette de conduction 22 est coudée.But, for the shift required in contact with its end portion 29 with a tooth 13 of the supply bar 11, this conduction tab 22 is bent.

Par exemple, et tel que représenté, le décalage du tronçon d'extrémité 29 de la languette de conduction 22 par rapport à son tronçon de racine 28 se fait du côté de la vis de serrage 23 du plot de connexion 18.For example, and as shown, the offset of the end portion 29 of the conduction tab 22 with respect to its root portion 28 is on the side of the clamping screw 23 of the connection pad 18.

Dans un tel cas, et tel que schématisé sur la figure 9, la borne d'arrivée 10 suivant l'invention ne convient qu'au cas où la borne de connexion 60 est du type ascenseur.In such a case, and as shown diagrammatically in FIG. 9, the arrival terminal 10 according to the invention is suitable only in the case where the connection terminal 60 is of the elevator type.

Si le décalage du tronçon d'extrémité 29 de sa languette de conduction 22 se faisait dans l'autre sens, elle ne conviendrait, au contraire, qu'au cas où la borne de connexion 60 est du type à plaquette.If the offset of the end portion 29 of its conduction tab 22 was in the other direction, it would be suitable, on the contrary, only in the case where the connection terminal 60 is of the wafer type.

Pour le reste, les dispositions sont globalement du même type que les précédentes.For the rest, the provisions are generally of the same type as the previous ones.

En particulier, il est prévu au moins un volet de fermeture 26, pour l'obturation de l'ouverture 20 de l'enveloppe isolante 17 correspondant à l'entrée de conducteur 21 non utilisée.In particular, there is provided at least one closure flap 26, for closing the opening 20 of the insulating casing 17 corresponding to the input 21 unused driver.

Préférentiellement, et comme précédemment, deux volets de fermeture 26 sont prévus, suivant des dispositions du même type que celles décrites en référence aux figures 1 à 7.Preferably, and as before, two closure flaps 26 are provided, according to provisions of the same type as those described with reference to FIGS. 1 to 7.

Dans la forme de réalisation représentée, toutefois, le prolongement latéral 52 inférieur de l'enveloppe isolante 17 est attenant au rabat de fond 36, en se raccordant d'un seul tenant au bord libre de celui-ci par l'intermédiaire d'un retour en équerre 54'.In the embodiment shown, however, the lower lateral extension 52 of the insulating envelope 17 is adjacent to the bottom flap 36, being connected in one piece to the free edge thereof via a back to square 54 '.

Il est donc prévu, dans ce cas, une nervure 56 le long de chacun des côtés latéraux du prolongement latéral 51 supérieur, et une patte 57 le long de chacun des côtés latéraux du prolongement latéral 52 inférieur.There is therefore provided, in this case, a rib 56 along each of the lateral sides of the upper lateral extension 51, and a tab 57 along each of the lateral sides of the lateral extension 52 below.

La présente invention ne se limite d'ailleurs pas aux formes de réalisation décrites et représentées, mais englobe toute variante d'exécution et/ou de combinaison de leurs divers éléments.The present invention is not limited to the embodiments described and shown, but encompasses any variant of execution and / or combination of their various elements.

En particulier, dans la mesure où, en service, seule l'une des ouvertures de l'enveloppe isolante est à obturer, il pourrait n'être prévu qu'un seul volet de fermeture.In particular, insofar as, in use, only one of the openings of the insulating envelope is to be closed, it could be provided only one closure flap.

Par exemple, ce volet de fermeture unique pourrait être rattaché à l'enveloppe isolante par une charnière de longueur suffisante pour permettre de l'implanter au droit de l'une ou de l'autre des ouvertures de celle-ci.For example, this single closure flap could be attached to the insulating casing by a hinge of sufficient length to allow the implant to the right of one or other of the openings thereof.

En variante, il pourrait former une pièce distincte de cette enveloppe isolante, en étant rapporté de manière détachable sur celle-ci, et en restant en attente dans sa position correspondante sur cette enveloppe isolante jusqu'à son utilisation.Alternatively, it could form a separate part of the insulating casing, being detachably attached thereto, and remaining in its corresponding position on this insulating envelope until its use.

Claims (21)

  1. An input terminal for a comb-shaped bus bar, in particular for modular electrical apparatuses, of the kind comprising an active conducting portion (16) and, at least partially covering same, an insulating casing (17), said active portion (16) in itself forming on the one hand a connection stud (18) which, to permit the engagement of an electrical conductor (19) to be connected, is provided in line with an opening (20) in the insulating casing (17) with at least one conductor entry (21) and on the other hand a conduction tongue portion (22) which, intended to be in at least locally superposed relationship with a tooth (13) of the bus bar (11) for contact therewith, projects out of the insulating casing (17), the connection stud (18) of the active portion (16) having at least two conductor entries (21), the insulating casing (17) comprising jointly at least two openings (20) each in respective corresponding relationship with the two conductor entries (21) of the connection stud (18) of the active portion (16), characterised in that there is associated with the insulating casing at least one closure shutter (26) capable of closing one of said openings (20) as required.
  2. An input terminal according to claim 1 characterised in that the two conductor entries (21) of the connection stud (18) of the active portion (16) are aligned in back-to-back relationship in an alignment direction (D1), in relation to which the conduction tongue portion (22) extends transversely.
  3. An input terminal according to claim 2 characterised in that, the connection stud (18) of the active portion (16) having a screwthreaded bore (24) which transversely intersects its conductor entries (21), the alignment direction (D1) of said conductor entries (21) is perpendicular to the plane passing through the axis (A) of said screwthreaded bore (24) and the elongation direction (D2) of the conduction tongue portion (22).
  4. An input terminal according to any one of claims 1 to 3 characterised in that the closure shutter (26) is permanently in adjoining relationship with the insulating casing (17).
  5. A connecting terminal according to claim 4 characterised in that the closure shutter (26) is permanently pivotably mounted to the insulating casing (17).
  6. An input terminal according to any one of claims 1 to 5 characterised in that the insulating casing (17) comprises an upper bell-shaped portion (35), by which it is adapted to cover the connection stud (18) of the active portion (16), and a bottom flap (36) which, pivotably mounted to the upper portion (35) along a face (38) thereof, is capable of extending below said connection stud (18).
  7. An input terminal according to claims 5 and 6 in combination characterised in that the closure shutter (26) is pivotably mounted to the bottom flap (36).
  8. An input terminal according to claim 7 characterised in that the closure shutter (26) is pivotably mounted to the bottom flap (36) by a hinge zone (44) parallel to the conduction tongue portion (22),
  9. An input terminal according to either one of claims 7 and 8 characterised in that the openings (20) of the insulating casing (17) are formed by notches involving two opposite faces (39) of its upper portion (35) on respective sides of that one (38) along which the bottom flap (36) is pivotably mounted and provided between said closure shutter (26) and said upper portion (35) are latching means capable of holding said closure shutter (26) in the closing-off position.
  10. An input terminal according to any one of claims 4 to 9 characterised in that the insulating casing (17) comprises two closure shutters (26) each respectively associated with its two openings (20).
  11. An input terminal according to claims 7 and 10 in combination characterised in that the two closure shutters (26) are pivotably mounted to the bottom flap (36) of the insulating casing (17) along two opposite sides of said bottom flap (36).
  12. An input terminal according to claim 7 characterised in that latching means are operative between the bottom flap (36) and the upper portion (35) of the insulating casing (17).
  13. An input terminal according to any one of claims 1 to 12 characterised in that, the conduction tongue portion (22) of the active portion (16) successively comprising two parts (28, 29) as considered from the connection stud (18), namely a root part (28) and an end part (29), the insulating casing (17) comprises two lateral prolongations (51, 52), one being an upper prolongation and the other a lower prolongation, by way of which it is capable of enclosing the root part (28) of said conduction tongue portion (22).
  14. An input terminal according to claim 13 characterised in that the lower lateral prolongation (52) of the insulating casing (17) is pivotably mounted to its upper lateral prolongation (51) by a hinge zone (54) parallel to the conduction tongue portion (22).
  15. An input terminal according to claims 6 and 14 in combination characterised in that the lower lateral prolongation (52) of the insulating casing (17) is adjoining the bottom flap (36).
  16. An input terminal according to any one of claims 13 to 15 characterised in that latching means are operative between the two lateral prolongations (51, 52) of the insulating casing (17).
  17. An input terminal according to any one of claims 1 to 16 characterised in that, the conduction tongue portion (22) of the active portion (16) successively comprising two parts (28, 29) as considered from the connection stud (18), namely a root part (28) and an end part (29), the end part (29) is of a thickness (E2) greater than that (E1) of the root part (28).
  18. An input terminal according to claim 17 characterised in that the end part (29) of the conduction tongue portion (22) comprises an over-thickness (E'2, E"2) on both of its two main faces (30, 31).
  19. An input terminal according to claim 18 characterised in that the over-thickness (E'2) on the upper main face (30) of the end part (29) of the conduction tongue portion (22) is larger than the over-thickness (E"2) on the lower main face (31) thereof.
  20. An input terminal according to any one of claims 17 to 19 characterised in that the conduction tongue portion (22) is overall rectilinear.
  21. An input terminal according to any one of claims I to 16 characterised in that the conduction tongue portion (22) is of equal thickness and elbow-bent.
EP97401194A 1996-06-06 1997-05-30 Terminal for comb-shaped bus bas especially for modular electrical apparatus Expired - Lifetime EP0817318B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9606993 1996-06-06
FR9606993A FR2749708B1 (en) 1996-06-06 1996-06-06 INLET TERMINAL FOR COMB-SHAPED POWER BAR, ESPECIALLY FOR MODULAR ELECTRICAL APPLIANCES

Publications (2)

Publication Number Publication Date
EP0817318A1 EP0817318A1 (en) 1998-01-07
EP0817318B1 true EP0817318B1 (en) 2006-05-17

Family

ID=9492771

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97401194A Expired - Lifetime EP0817318B1 (en) 1996-06-06 1997-05-30 Terminal for comb-shaped bus bas especially for modular electrical apparatus

Country Status (4)

Country Link
EP (1) EP0817318B1 (en)
AT (1) ATE326780T1 (en)
DE (1) DE69735868D1 (en)
FR (1) FR2749708B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19948521A1 (en) 1999-10-08 2001-04-12 Efen Elektrotech Fab Single terminal cover
AU2006200091B2 (en) * 2005-01-18 2009-03-12 Tyco Electronics Uk Limited Electrical link box
ES2319058B2 (en) * 2007-08-21 2009-10-19 Daisel Innova, S.L. MODULAR CONNECTOR FOR ELECTRICAL CONNECTIONS.
FR2971635B1 (en) * 2011-02-11 2013-03-01 Seifel ELECTRICAL CONNECTOR COMPRISING AN ENVELOPE

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3721947A (en) * 1972-07-13 1973-03-20 E Robin Battery terminal guard
DE3121964A1 (en) * 1981-06-03 1982-12-23 Brown, Boveri & Cie Ag, 6800 Mannheim Busbar block
FR2582451B1 (en) * 1985-05-23 1987-07-03 Merlin Gerin CONNECTOR-TERMINAL FOR MODULAR DEVICES
US4785378A (en) * 1987-09-24 1988-11-15 General Electric Company Loop-feed wiring arrangement for electric circuit breakers and switches
GB2247351B (en) * 1990-08-21 1995-03-01 Crabtree Electrical Ind Ltd Improvements relating to the mounting of circuit breakers
US5064384A (en) * 1990-12-04 1991-11-12 Square D Company Jumper assembly for multiple breaker application
US5201678A (en) * 1991-11-06 1993-04-13 Homac Mfg. Company Set screw bus connector
DE29502063U1 (en) * 1995-02-09 1995-03-23 Hager Electro GmbH, 66131 Saarbrücken Connector

Also Published As

Publication number Publication date
EP0817318A1 (en) 1998-01-07
FR2749708A1 (en) 1997-12-12
DE69735868D1 (en) 2006-06-22
ATE326780T1 (en) 2006-06-15
FR2749708B1 (en) 1998-09-04

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