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EP3291376A1 - Electrical connection block and double switch system comprising two such blocks - Google Patents

Electrical connection block and double switch system comprising two such blocks Download PDF

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Publication number
EP3291376A1
EP3291376A1 EP17189472.8A EP17189472A EP3291376A1 EP 3291376 A1 EP3291376 A1 EP 3291376A1 EP 17189472 A EP17189472 A EP 17189472A EP 3291376 A1 EP3291376 A1 EP 3291376A1
Authority
EP
European Patent Office
Prior art keywords
lever
axis
terminal block
pivot axis
housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17189472.8A
Other languages
German (de)
French (fr)
Other versions
EP3291376B1 (en
Inventor
Marcel Bruyere
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.)
Somfy Activites SA
Original Assignee
Somfy Activites SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Somfy Activites SA filed Critical Somfy Activites SA
Publication of EP3291376A1 publication Critical patent/EP3291376A1/en
Application granted granted Critical
Publication of EP3291376B1 publication Critical patent/EP3291376B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; 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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/62933—Comprising exclusively pivoting lever
    • H01R13/62966—Comprising two pivoting levers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/08—Terminals; Connections
    • 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
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/4819—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end the spring shape allowing insertion of the conductor end when the spring is unbiased
    • H01R4/4821—Single-blade spring
    • 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
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/483—Pivoting arrangements, e.g. lever pushing on the spring
    • 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
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/4837—Single arrangement activating multiple springs
    • 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
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4846—Busbar details
    • H01R4/485—Single busbar common to multiple springs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/2408—Modular blocks

Definitions

  • the invention relates to an electrical connection terminal block for electric cables as well as a double switch system comprising two such terminal blocks.
  • connection elements described below are securing elements of at least two electrical elements.
  • a stripped end of an electrical cable, once inserted in an area of a terminal block fast connection, is in contact with an electrical connection part forming part of the terminal block.
  • This connecting piece is itself connected to an electrical equipment, for example by means of electrical tracks of a printed circuit board on which is plugged the terminal block or it can be put in electrical connection with a second cable whose end is inserted into an adjacent area of the same terminal block.
  • the spring-loaded or "push-in" terminal blocks for which it is necessary to press an element against the action of a spring in order to open a passage between two jaws for the bare end of the electric wire. When this element is released, the wire is held by the jaws.
  • the lever terminals in which the tilting of the lever in a first position, said open position, allows the opening of a jaw for receiving the stripped end of the electric wire or an electrical lug, the return of the lever in a second position, said closed position, for closing the jaw on the stripped end of the electrical wire or on the electrical lug and thus to ensure the electrical connection.
  • the closed position of the lever is preferably the rest position, the other position being temporary.
  • a spring or cam and spring assembly keep the lever in the closed position. It is thus necessary to access a free end of the lever, also called gripping zone, to lift it against the effect of the spring.
  • the wires can be inserted on the opposite side of the terminal block with respect to the gripping zone of the lever or on the same side.
  • the spring itself can be part of the jaw holding the electrical cable.
  • a terminal block of quick connectors with levers is known from the document EP-A-2325947 .
  • This terminal block comprises a row of levers, each lever acting separately on a folded leaf spring.
  • a front face of the terminal block includes end insertion holes stripped of electrical cables.
  • the levers may have their pivot axes disposed opposite the insertion zone of the cables.
  • the gripping zone of the lever is located on the side of the side face of the terminal block in which the electrical son are inserted. Actuation of the lever, in particular in the case of repositioning cable, is penalized because of the need to insert a finger or a tool in an area below the gripping zone of the lever, the latter being positioned to the right of the cable and thus blocked by the presence of the cable itself.
  • the invention proposes to solve the aforementioned problems and to improve the existing solutions.
  • the invention relates to a terminal block for electrical connection of electrical cables, this terminal block comprising an electrically insulating housing and at least one lever articulated on the housing about a pivot axis, this lever comprising an elongated lever arm which extends along a longitudinal axis, between the pivot axis and a first free end of the lever arm.
  • a lateral face of the terminal block is provided with at least one insertion hole with one end stripped of electrical cable along a cable insertion axis, this hole opening into an interior volume of the housing.
  • the pivoting of the lever makes it possible to move it from a first position, called an open position, in which it allows the insertion of a stripped end of electric cable through the hole for insertion of the lateral face into the interior volume, towards a second position, said closed, wherein the lever prevents removal from the inner volume of the housing of the stripped end of the previously inserted electrical cable.
  • the lever further comprises a gripping zone positioned at the free end of the lever arm. According to the invention, when the lever is in its second, so-called closed position, this gripping zone is offset laterally, parallel to the axis of pivoting, with respect to a radial axis to the pivot axis which passes through a point of intersection between the pivot axis and the longitudinal axis of the arm.
  • the gripping zone of the lever which is offset laterally with respect to the radial axis when the lever is in its second, so-called closed position, is of easy access in the different positions of the lever, which facilitates the manipulation of the terminal block.
  • the levers of the double switch system are arranged "on the cob", which gives an easier access to lift the free end of a lever, particularly when the gripping zones of the levers are close to one end. intermediate zone between the two terminal blocks. This facilitates the pivoting of the levers of their respective second positions to their respective first positions.
  • the two terminal blocks are mounted back to back and identical. Due to this back-to-back assembly of the two terminal blocks, which is obtained by the overturning of one of them, the gripping zones of the levers which are arranged at the same level are shifted laterally from each other, from both sides. else of the common axis, without further manipulation.
  • the size of the dual switch system and the ease of access to the levers are optimized.
  • a single terminal block reference is required for the construction of the dual switch system, which is advantageous in industrial terms.
  • Terminal block 2 shown in Figures 1 to 12 comprises a housing 4 made of electrically insulating material, that is to say in a material which prevents the passage of electric current when it is subjected to a voltage compatible with its nominal conditions of use.
  • the terminal block 2 is intended to allow the connection of electrical cables. As represented in Figures 1, 2 , 4 , 5 , 7 to 9 and 12 , three electrical cables C2, C4 and C6 are mounted on the terminal block 2. These cables are omitted on the figures 3 , 6 and 10 for the sake of clarity drawing. In practice, the number of electrical cables mounted on the terminal block 2 depends on the intended use for this terminal block.
  • the terminal block 2 is part of a switch that can be used to control, on ascent or descent, an electric motor driving a closing apron or sun protection.
  • the terminal block 2 is equipped with two pushers 6 and 8 for selectively displacing non-visible contact blades disposed inside the housing 4.
  • the terminal block 2 defines a front face 2A at which the push-buttons 6 and 8 are provided, a rear face 2B opposite to the front face, a first lateral face 2C, a second lateral face 2D opposite to the first lateral face 2C, a first end face 2E and a second end face 2F opposite the first end face 2E.
  • the lateral faces are generally parallel to each other, as are the end faces.
  • the faces 2B to 2F correspond to the walls of the casing 4.
  • Three levers 12, 14 and 16 are articulated on the housing, more particularly at the rear face 2B, each around a pivot axis that is respectively noted, X12, X14 and X16.
  • the axes X12 and X16 of the two end levers closest to the faces 2E and 2F coincide, while the axis X14 of the intermediate lever 14 is parallel to the axes X12 and X14 but offset from those by being farther away than they from the front face 2A. This offset is related to a possible design of the terminal block and is an example embodiment.
  • the housing 4 has a portion 4B projecting in the center of the rear face 2B, in which is defined the axis X14.
  • the axes X12, X14 and X16 are defined by the housing 4.
  • the X12 and X16 axes are not coincidental, but parallel and laterally offset from each other.
  • the three axes X12, X14, X16 are merged.
  • the levers 12, 14 and 16 are identical. Only the lever 12 is described in detail, with reference to the figure 11 .
  • This lever comprises two circular bearings 122 which are centered on the axis X12 and which collaborate with unrepresented circular seats formed in the housing 4, at the rear face 2B of the terminal block, for pivotally guiding the lever 12 around this axis.
  • the lever 12 also comprises an arm 124 which extends along a longitudinal axis A12 which is radial to the axis X12. We note P12 a point intersection between the X12 and A12 axes.
  • the arm 124 extends from a hub 125 disposed along the axis X12 between the bearings 122.
  • the arm 124 comprises a first end 124A attached to the hub 125 and a second end 124B, opposite at the end 124A and on which is connected a pallet 126 which constitutes a gripping zone of the lever 12 for its manipulation in pivoting about the axis X12.
  • C126 is the geometric center of the pallet 126.
  • the pallet 126 is disposed along the axis on one side of the arm A12.
  • the center C126 is axially offset, along the axis X12, with respect to the axis A12.
  • the lever 12 also comprises a heel 128 which extends radially to the axis X12 relative to the hub 125 and which is intended to interact with elastically deformable metal strips disposed in the housing 4 to be in electrical contact with the stripped ends of the cables C2 to C6 inserted in the terminal block, as can be seen from the following explanations.
  • the lever 12 is monobloc. In other words, its parts 122, 124, 125, 126 and 128 are formed in one piece.
  • levers 14 and 16 each comprise an arm respectively 144 or 164, at the end of which is provided a pallet, respectively 146 or 166.
  • Axes A14, A16, Y24 and Y26 are defined for the levers 14 and 16, as the axes A12 and Y22 for the lever 12.
  • Each of the levers 12, 14 and 16 is movable between a first position, shown in FIGS. Figures 1 to 9 and 12 for the lever 14, and a second position shown in these figures for the levers 12 and 16. At the figure 10 , the three levers, 12, 14 and 16 are in the second position.
  • Each lever 12, 14 or 16 is rigid, that is to say that it retains the same geometry in its first and second positions and that it moves from one position to another without deforming.
  • each lever 12, 14 or 16 When in its first position, each lever 12, 14 or 16 makes it possible to introduce, via one of the holes 10, the stripped end of an electric cable into the interior of the housing 4.
  • each lever 12, 14 or 16 acts such that the end of an electric cable previously introduced into the interior of the housing 4 is immobilized in this interior volume.
  • the housing comprises three jumpers, 22, 24 and 26 made of electrically conductive material which are fixed in the housing 4 and inside the housing. each of which are arranged two electrically conductive strips 28.
  • the parts 22 to 28 are preferably made of metal including hardened stainless steel, copper or steel.
  • the heel 128 of the lever 12 makes it possible, depending on the angular position of the arm 124 around the pivot axis X12, to exert or not to exert on the lamellae 28 an elastic deformation force which brings these lamellae into a configuration that is compatible with a movement of the stripped end of one of the cables C2 to C6 through one of the insertion holes 10, in an insertion direction or in an extraction direction.
  • Y22 denotes a radial axis X12, passing through the point P12 and parallel to the rear face 2B, that is to say perpendicular to the side faces of C and D considering that the housing has an outer shape globally parallelepipedic.
  • This axis Y22 extends, along the axis X12, in the center of the jumper 22.
  • the axes A12 and Y22 are contained in the same plane ⁇ 12 perpendicular to the pivot axis X12, which is the section plane of the Figures 5 and 6 .
  • the cable insertion holes disposed on either side of the lever 12 along the axis X12 and note Y10 a cable insertion axis in the two holes 10A and 10B which open into the volume V22 of the jumper 22, the volume V22 being an interior volume to the housing 4 which corresponds to the lever 12.
  • This cable insertion axis Y10 is parallel to the central axes Y10A and Y10B of the two insertion holes 10A and 10B these central axes being themselves perpendicular to the lateral face 2C.
  • the cable insertion axis Y10 is, moreover, equidistant from the two central axes Y10A and Y10B and located between them along the axis X12.
  • two insertion holes 10A and 10B open into the volume V22 allows, according to one aspect of the invention which is not shown in the figures, to connect two electric cables permanently, independently of the operation of the switch, by introducing their respective stripped ends in the volume V22 through these two holes.
  • the cable insertion axis Y10 is then merged with the central axis of this single hole, while being perpendicular to the face 2C.
  • the lever 12 In his second position represented in Figures 5 to 7 , the lever 12 is folded towards the rear face 2B to the point that its arm 124 adjoins the rear face and that its heel 128 does not exert significant effort on the lamellae 28.
  • the lamellae are thus free to pinch the end denuded E2 of the cable C2 against the branches of the jumper 22, which immobilizes this end in the volume V22, as shown in FIG. figure 7 .
  • the lever 12 prevents the removal of the end E2 of the cable C2 out of the volume V22, leaving the slats 28 pinch this end.
  • the lever 14 is in its first position where its arm 144 extends from the rear face 2B generally in a direction parallel to the side faces 2C and 2D, while its heel 148 exerts on the blades 28 a force which allows to deform them elastically, to the point that the end E4 of the cable is no longer jammed by these strips and can be engaged in or removed from the internal volume V24 of the jumper 24 through the insertion holes 10 formed in the face 2C next to this volume.
  • This volume V24 is an interior volume of the housing 4 which corresponds to the lever 14.
  • the three levers 12, 14 and 16 operate in the same way, pivoting respectively about the axes X12, X14 and X16 to interact with the slats 28 as explained above.
  • the pallets 126, 146 and 166 are essential organs, which should be accessed easily, quickly and intuitively.
  • the vanes 126, 146 and 166 of the levers 12, 14 and 16 are all shifted along the pivot axis X12, X14 and X16 on the same side of the axes Y22, Y24 and Y26.
  • the lateral offset between the vanes 126, 146 and 166, on the one hand, and the axes Y21, Y24 and Y26, on the other hand, is effective when these levers are in their second position, as shown in FIG. figure 10 .
  • This shift is also effective when these levers are in their first position, as shown in Figures 1 to 4 especially for the lever 14. This can be compared to the rigid and indeformable nature of the levers.
  • each pallet is inclined with respect to a plane ⁇ '12 containing the axes X12 and Y22, that is to say a plane parallel to the rear face 2B. More precisely, the pallet 126 moves away from the end face 2B away from the axis X12. Again, this facilitates the gripping of the levers 12 to 16 when in their second position.
  • the pivot axis, X12, X14 or X16 of each lever 12, 14 or 16 is arranged in the vicinity of the lateral face 2C provided with the insertion holes 10, so that in the second position of a lever, its heel 128, 148 or 168 acts on the lamellae 28 in the vicinity of the entrance area of the stripped ends of the cables in volumes V22 and the like.
  • Its palette 126, 146 or 166 is then at the right of the opposite side face 2D.
  • By “right” is meant that the pallet is in the extension of the 2D face in a direction parallel to this face.
  • the pivot axes of the levers may be arranged in the vicinity of the 2D side face, in which case, when the levers are in their second position, the pallets 126 to 166 are located in line with the side face 2C provided with the holes 'insertion.
  • the invention makes it possible to design a system 200 of double switch which comprises two identical terminal blocks 2 in which are inserted electrical cables C2 to C6 and C2 'to C6', in number depending on the desired installation.
  • terminal blocks 2 are mounted on a support 202 of the system 200 and disposed on a rear face of this system whose front face is dressed with a trim 204.
  • this trim 204 is not shown on the Figures 15 and 16 .
  • the terminal blocks 2 are mounted on the support with their respective first side faces 2C opposite one another, that is to say oriented outwards, which facilitates the introduction of the cables C2 and C6 and C2 'to C6' in the insertion holes 10 from the outside of the set of two terminal blocks.
  • the cables C2 to C6 and C2 'to C6' are not represented on the Figures 15 and 16 .
  • the 2D side faces of the two terminal blocks 2 are arranged facing each other, being parallel, with a spacing e between them.
  • Y2 is the common axis thus defined.
  • the Y24 axes of the two terminal blocks 2 are merged into a common axis that is noted Y4.
  • the double switch system 200 thus comprises two common axes Y2 and a common axis Y4 which are perpendicular to the pivot axes X12, X14 and X16 of the levers 12, 14 and 16 and parallel to the rear faces 2B of the terminal blocks 2.
  • the vanes, 126, 146 and 166 of the various levers 12, 14 and 16 can overflow 2D lateral faces without coming into contact or being interfered with during the manipulation of the levers, whereas the value of the distance e is small, thanks to the These pallets are offset laterally along the pivot axes X12, X14 and X16. As visible at figure 15 , the pallets 126, 146 and 166 are shifted "on the cob".
  • the spacing e has a value of the order of 5 mm.
  • the overflow distance d has a value of the order of 2.3 mm.
  • a variant of the invention is shown in phantom for the lever 16, only at the figure 10 in the form of a lever 16 '.
  • the longitudinal axis A'16 of the arm 164 ' is not parallel to the axis Y26 and the pallet 166' extends in the extension of the arm 164 ', along the axis A'16.
  • This variant also makes it possible to obtain an offset of the pallets 126 to 166 of the terminal blocks 2 when they are mounted back to back on the support 202 in the context of the double switch system 200.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Mechanical Control Devices (AREA)

Abstract

Ce bornier (2) de connexion électrique de câbles électriques (C2, C4, C6) comprend un boîtier (4) électriquement isolant et au moins un levier (12) articulé sur le boîtier autour d'un axe de pivotement (X12) et comprenant un bras de levier (124) allongé qui s'étend suivant un axe longitudinal (A12), entre l'axe de pivotement et une extrémité libre du bras de levier. Une face latérale (2C) du bornier est munie d'au moins un trou (10) d'insertion d'une extrémité dénudée de câble électrique suivant un axe d'insertion (Y10) de câble, ce trou (10) débouchant dans un volume intérieur du boîtier (4). Le pivotement du levier permet de le faire passer d'une première position, dite ouverte, dans laquelle le levier autorise l'insertion d'une extrémité dénudée de câble électrique (C2) par le trou d'insertion (10) de la face latérale (2C) dans le volume intérieur, vers une deuxième position, dite fermée, dans laquelle le levier empêche le retrait, hors du volume intérieur du boîtier, de l'extrémité dénudée du câble électrique préalablement insérée. Le levier (12) comprend, en outre, une zone de préhension (126) positionnée à l'extrémité libre du bras (124) de levier. Lorsque le levier est dans sa deuxième position, dite fermée, la zone de préhension (126) est décalée latéralement, parallèlement à l'axe de pivotement (X12), par rapport à un axe (Y22) radial à l'axe de pivotement et passant par un point d'intersection (P12) entre l'axe de pivotement (X12) et l'axe longitudinal du bras (A12).This terminal block (2) for electrical connection of electric cables (C2, C4, C6) comprises an electrically insulating casing (4) and at least one lever (12) articulated on the casing around a pivot axis (X12) and comprising an elongated lever arm (124) extending along a longitudinal axis (A12) between the pivot axis and a free end of the lever arm. A lateral face (2C) of the terminal block is provided with at least one hole (10) for insertion of a stripped end of an electric cable along a cable insertion axis (Y10), this hole (10) opening into a internal volume of the housing (4). The pivoting of the lever makes it possible to move it from a first, so-called open position, in which the lever allows the insertion of a stripped end of electric cable (C2) through the insertion hole (10) of the lateral face. (2C) in the inner volume, to a second position, said closed, wherein the lever prevents the withdrawal, out of the inner volume of the housing, the stripped end of the previously inserted electrical cable. The lever (12) further comprises a gripping zone (126) positioned at the free end of the lever arm (124). When the lever is in its second, so-called closed position, the gripping zone (126) is offset laterally, parallel to the pivot axis (X12), with respect to an axis (Y22) radial to the pivot axis and passing through a point of intersection (P12) between the pivot axis (X12) and the longitudinal axis of the arm (A12).

Description

L'invention a trait à un bornier de connexion électrique pour des câbles électriques ainsi qu'à un système de double interrupteur comprenant deux tels borniers.The invention relates to an electrical connection terminal block for electric cables as well as a double switch system comprising two such terminal blocks.

Dans le domaine de la connexion de câbles électriques, il existe plusieurs solutions de connectique rapide, permettant de simplifier le montage de câbles électriques par rapport à des solutions de connectique à vis, dans lesquelles l'extrémité dénudée d'un fil électrique ou une cosse électrique en bout de câble est serrée entre deux éléments métalliques par une vis.In the field of electrical cable connection, there are several solutions for fast connection, to simplify the assembly of electrical cables compared to screw connection solutions, in which the bare end of a wire or a terminal electrical cable end is clamped between two metal elements by a screw.

Les éléments de connectique décrits ci-après sont des éléments de solidarisation d'au moins deux éléments électriques. Une extrémité dénudée d'un câble électrique, une fois insérée dans une zone d'un bornier de connectique rapide, se trouve en contact avec une pièce de liaison électrique faisant partie du bornier. Cette pièce de liaison est elle-même en liaison avec un équipement électrique, par exemple par le biais de pistes électriques d'un circuit imprimé sur lequel est enfiché le bornier ou elle peut être mise en liaison électrique avec un deuxième câble dont l'extrémité est insérée dans une zone adjacente du même bornier.The connection elements described below are securing elements of at least two electrical elements. A stripped end of an electrical cable, once inserted in an area of a terminal block fast connection, is in contact with an electrical connection part forming part of the terminal block. This connecting piece is itself connected to an electrical equipment, for example by means of electrical tracks of a printed circuit board on which is plugged the terminal block or it can be put in electrical connection with a second cable whose end is inserted into an adjacent area of the same terminal block.

Différents types de borniers à connectique rapide sont connus et mentionnés ci-après :

  • Les borniers à insertion rapide, qui sont prévus pour être utilisés avec des fils rigides au préalablement dénudés sur une certaine longueur. Une simple pression du fil dans le bornier suffit pour réaliser la connexion électrique. Le démontage simple du fil n'est pas prévu, un outil peut être nécessaire.
Different types of terminal blocks with fast connections are known and mentioned below:
  • Quick-release terminal blocks, which are intended to be used with rigid wires previously stripped to a certain length. A simple pressure of the wire in the terminal block is enough to make the electrical connection. Simple disassembly of the wire is not planned, a tool may be necessary.

Les borniers à ressort ou « push-in », pour lesquels il est nécessaires de presser un élément contre l'action d'un ressort afin d'ouvrir un passage entre deux mâchoires pour l'extrémité dénudée du fil électrique. Lorsque cet élément est relâché, le fil est maintenu par les mâchoires.The spring-loaded or "push-in" terminal blocks, for which it is necessary to press an element against the action of a spring in order to open a passage between two jaws for the bare end of the electric wire. When this element is released, the wire is held by the jaws.

Les borniers à levier, dans lesquels le basculement du levier dans une première position, dite position ouverte, permet l'ouverture d'une mâchoire destinée à recevoir l'extrémité dénudée du fil électrique ou une cosse électrique, le retour du levier dans une deuxième position, dite position fermée, permettant de refermer la mâchoire sur l'extrémité dénudée du fil électrique ou sur la cosse électrique et ainsi d'assurer la connexion électrique. La position fermée du levier est préférentiellement la position de repos, l'autre position étant temporaire. Un ressort ou un ensemble de came et de ressort maintient le levier en position fermée. Il est ainsi nécessaire d'accéder à une extrémité libre du levier, également appelée zone de préhension, pour lever celui-ci contre l'effet du ressort. Dans le cas des leviers en particulier, les fils peuvent être insérés du côté opposé du bornier par rapport à la zone de préhension du levier ou du même côté. Le ressort peut lui-même faire partie de la mâchoire retenant le câble électrique.The lever terminals, in which the tilting of the lever in a first position, said open position, allows the opening of a jaw for receiving the stripped end of the electric wire or an electrical lug, the return of the lever in a second position, said closed position, for closing the jaw on the stripped end of the electrical wire or on the electrical lug and thus to ensure the electrical connection. The closed position of the lever is preferably the rest position, the other position being temporary. A spring or cam and spring assembly keep the lever in the closed position. It is thus necessary to access a free end of the lever, also called gripping zone, to lift it against the effect of the spring. In the case of the levers in particular, the wires can be inserted on the opposite side of the terminal block with respect to the gripping zone of the lever or on the same side. The spring itself can be part of the jaw holding the electrical cable.

Un bornier de connectique rapide à leviers est connu du document EP-A-2325947 . Ce bornier comprend une rangée de leviers, chacun des leviers agissant séparément sur une lame-ressort pliée. Une face avant du bornier comprend des trous d'insertion d'extrémités dénudées de câbles électriques. Lorsque le levier correspondant à un premier trou est levé, une contrainte sur la lame ressort est appliquée et le trou est dégagé pour y insérer l'extrémité dénudée du câble électrique. Lorsque le levier est rabaissé, la contrainte sur la lame ressort est levée, celle-ci bloquant alors le fil électrique entre une face interne métallique du bornier et la patte-ressort. La lame-ressort agit également comme conducteur électrique.A terminal block of quick connectors with levers is known from the document EP-A-2325947 . This terminal block comprises a row of levers, each lever acting separately on a folded leaf spring. A front face of the terminal block includes end insertion holes stripped of electrical cables. When the lever corresponding to a first hole is raised, a stress on the spring blade is applied and the hole is released to insert the bare end of the electric cable. When the lever is lowered, the stress on the spring blade is raised, the latter then blocking the electrical wire between a metal inner face of the terminal block and the spring tab. The leaf spring also acts as an electrical conductor.

Lorsque l'axe de pivot du levier est situé directement au-dessus de la zone d'insertion de l'extrémité dénudée du câble électrique, autrement dit lorsque la zone de préhension du levier est située au niveau de la face opposée à la face latérale du bornier dans laquelle les fils électriques sont insérés, ceci facilite l'action du levier sur la lame-ressort et l'ouverture de la mâchoire destinée à retenir le fil dans le bornier.When the pivot axis of the lever is located directly above the insertion zone of the stripped end of the electric cable, that is to say when the gripping zone of the lever is located at the opposite side to the side face of the terminal block into which the electrical wires are inserted, this facilitates the action of the lever on the leaf spring and the opening of the jaw for retaining the wire in the terminal block.

Cependant, dans un tel cas, l'actionnement des leviers peut être malaisé, notamment dans le cas où deux borniers sont placés dos à dos dans une même boîte d'encastrement, notamment pour la construction d'un double interrupteur.However, in such a case, the actuation of the levers can be difficult, especially in the case where two terminal blocks are placed back to back in the same box flush, in particular for the construction of a double switch.

En effet lorsque deux borniers à connectique rapide comprenant des leviers de manoeuvre à soulever, ayant leurs axes de pivotement au niveau des zones d'insertion des câbles, sont montés l'un à côté de l'autre dans une boîte d'encastrement ou dans un espace restreint, ils doivent être montés de telle sorte que les fils électriques sont insérés de part et d'autre de l'ensemble des deux borniers. Ils sont donc montés dos à dos. Il n'est en pratique pas possible d'insérer des fils entre les deux borniers, ceux-ci étant rapprochés pour pouvoir entrer dans les boîtes d'encastrement des interrupteurs standards. Les zones de préhension des leviers se retrouvent alors face à face et, l'espace libre entre ces zones étant très restreint, les leviers deviennent difficiles, voire impossibles, à manoeuvrer sans outil.Indeed, when two quick-connect terminal blocks comprising levers for lifting, having their pivot axes at the insertion areas of the cables, are mounted next to each other in a recess box or in a small space, they must be mounted in such a way that the electrical wires are inserted on either side of the set of two terminal blocks. They are mounted back to back. In practice, it is not possible to insert wires between the two terminal blocks, these being brought together in order to be able to enter the standard switch boxes. The gripping zones levers are then found face to face and, the free space between these areas being very small, the levers become difficult, if not impossible, to maneuver without tools.

Il est également connu de DE-A-10 2014 119 416 d'agir sur un levier déformable d'un bornier de connexion, pour le faire passer d'une position ouverte à une position fermée. En position fermée, la zone de préhension de ce levier est dans le prolongement d'un bras de ce levier, ce qui rend sa manoeuvre malaisée, pour les mêmes raisons que ci-dessus.It is also known to DE-A-10 2014 119,416 to act on a deformable lever of a connection terminal block, to move it from an open position to a closed position. In the closed position, the gripping zone of this lever is in the extension an arm of this lever, which makes its maneuver difficult, for the same reasons as above.

Alternativement, les leviers peuvent avoir leurs axes de pivot disposés à l'opposé de la zone d'insertion des câbles. Autrement dit, la zone de préhension du levier est située du côté de la face latérale du bornier dans laquelle les fils électriques sont insérés. L'actionnement du levier, notamment dans le cas d'un repositionnement de câble, est pénalisé du fait de la nécessité d'insérer un doigt ou un outil dans une zone en dessous de la zone de préhension du levier, celle-ci étant positionnée au droit du câble et donc bloquée par la présence du câble lui-même.Alternatively, the levers may have their pivot axes disposed opposite the insertion zone of the cables. In other words, the gripping zone of the lever is located on the side of the side face of the terminal block in which the electrical son are inserted. Actuation of the lever, in particular in the case of repositioning cable, is penalized because of the need to insert a finger or a tool in an area below the gripping zone of the lever, the latter being positioned to the right of the cable and thus blocked by the presence of the cable itself.

Dans les trois cas de construction, la préhension des leviers des borniers à connexion rapide peut s'avérer malaisée.In all three construction cases, gripping the levers of quick-connect terminal blocks can be difficult.

L'invention se propose de résoudre les problèmes précités et d'améliorer les solutions existantes.The invention proposes to solve the aforementioned problems and to improve the existing solutions.

A cet effet, l'invention concerne un bornier de connexion électrique de câbles électriques, ce bornier comprenant un boîtier électriquement isolant et au moins un levier articulé sur le boîtier autour d'un axe de pivotement, ce levier comprenant un bras de levier allongé qui s'étend suivant un axe longitudinal, entre l'axe de pivotement et une première extrémité libre du bras de levier. Une face latérale du bornier est munie d'au moins un trou d'insertion d'une extrémité dénudée de câble électrique suivant un axe d'insertion de câble, ce trou débouchant dans un volume intérieur du boîtier. Le pivotement du levier permet de le faire passer d'une première position, dite ouverte, dans laquelle il autorise l'insertion d'une extrémité dénudée de câble électrique par le trou d'insertion de la face latérale dans le volume intérieur, vers une deuxième position, dite fermée, dans laquelle le levier empêche le retrait hors du volume intérieur du boîtier de l'extrémité dénudé du câble électrique préalablement insérée. Le levier comprend en outre une zone de préhension positionnée à l'extrémité libre du bras de levier. Conformément à l'invention, lorsque le levier est dans sa deuxième position, dite fermée, cette zone de préhension est décalée latéralement, parallèlement à l'axe de pivotement, par rapport à un axe radial à l'axe de pivotement qui passe par un point d'intersection entre l'axe de pivotement et l'axe longitudinal du bras.To this end, the invention relates to a terminal block for electrical connection of electrical cables, this terminal block comprising an electrically insulating housing and at least one lever articulated on the housing about a pivot axis, this lever comprising an elongated lever arm which extends along a longitudinal axis, between the pivot axis and a first free end of the lever arm. A lateral face of the terminal block is provided with at least one insertion hole with one end stripped of electrical cable along a cable insertion axis, this hole opening into an interior volume of the housing. The pivoting of the lever makes it possible to move it from a first position, called an open position, in which it allows the insertion of a stripped end of electric cable through the hole for insertion of the lateral face into the interior volume, towards a second position, said closed, wherein the lever prevents removal from the inner volume of the housing of the stripped end of the previously inserted electrical cable. The lever further comprises a gripping zone positioned at the free end of the lever arm. According to the invention, when the lever is in its second, so-called closed position, this gripping zone is offset laterally, parallel to the axis of pivoting, with respect to a radial axis to the pivot axis which passes through a point of intersection between the pivot axis and the longitudinal axis of the arm.

Grâce à l'invention, la zone de préhension du levier, qui est décalée latéralement par rapport à l'axe radial lorsque le levier est dans sa deuxième position, dite fermée,, est d'un accès aisé dans les différentes positions du levier, ce qui facilite la manipulation du bornier.Thanks to the invention, the gripping zone of the lever, which is offset laterally with respect to the radial axis when the lever is in its second, so-called closed position, is of easy access in the different positions of the lever, which facilitates the manipulation of the terminal block.

Selon des aspects avantageux mais non obligatoires de l'invention, un tel bornier peut incorporer une ou plusieurs des caractéristiques suivantes prises dans toute combinaison techniquement admissible :

  • L'axe radial à l'axe de pivotement du levier est parallèle à l'axe d'insertion de câble, lui-même confondu avec l'axe du trou correspondant et perpendiculaire à la face latérale du boîtier dans laquelle est ménagé le trou.
  • En variante, le boîtier comprend deux trous d'insertion de câble dans le volume intérieur, l'axe d'insertion de câble est parallèle aux axes centraux des deux trous d'insertion de câble, équidistant des deux axes centraux des deux trous et perpendiculaire à la face latérale du boîtier dans laquelle sont ménagés les trous et l'axe radial à l'axe de pivotement du levier est parallèle à cet axe d'insertion de câble.
  • L'axe longitudinal du bras et l'axe radial à l'axe de pivotement sont contenus dans un même plan perpendiculaire à l'axe de pivotement et la zone de préhension du levier est décalée le long de l'axe de pivotement, par rapport à l'axe du levier.
  • L'axe longitudinal du bras de levier et l'axe radial à l'axe de pivotement sont non parallèles et la zone de préhension du levier est dans le prolongement, selon l'axe longitudinal, du bras.
  • La zone de préhension est en débordement du boîtier, au-delà d'une de ses faces latérales, lorsque le levier est dans sa première position, dite ouverte, ou dans sa deuxième position, dite fermée.
  • Lorsque le levier est dans sa première position, dite ouverte, ou dans sa deuxième position, dite fermée, la zone de préhension du levier est inclinée par rapport à un plan parallèle à une face du boîtier au niveau de laquelle est défini l'axe de pivotement.
  • La zone de préhension est inclinée dans un sens où elle s'éloigne de la face du boîtier en s'éloignant de l'axe de pivotement.
  • Lorsque le levier est dans sa première position, dite ouverte, ou dans sa deuxième position, dite fermée, la zone de préhension se situe au droit de la face latérale du boîtier munie du trou d'insertion du câble électrique.
  • En variante, lorsque le levier est dans sa première position, dite ouverte, ou dans sa deuxième position, dite fermée, la zone de préhension se situe au droit d'une face latérale du boîtier opposée à la face latérale munie du trou d'insertion du câble électrique.
  • Le bornier comprend au moins un deuxième levier, les deux leviers sont montés côte à côte avec leurs axes de pivotement parallèles et les zones de préhension des deux leviers sont décalées de manière identique chacune par rapport à un axe radial à l'axe de pivotement et passant par un point d'intersection entre l'axe de pivotement et l'axe longitudinal du bras du levier correspondant. Le fait que les zones de préhension des deux leviers sont décalés de manière identique facilite l'accès à ces zones de préhension avec un doigt, y compris dans le cas où le bornier comprend plus de deux leviers, notamment trois leviers, ce qui correspond à un cas où le ou les leviers central ou centraux est ou sont coincé(s) entre les deux leviers d'extrémité.
  • Chaque levier est monobloc et rigide, avec la même géométrie dans sa première position, dite ouverte, et dans sa deuxième position, dite fermée.
According to advantageous but non-mandatory aspects of the invention, such a terminal block may incorporate one or more of the following features taken in any technically permissible combination:
  • The axis radial to the axis of pivoting of the lever is parallel to the axis of cable insertion, itself coincident with the axis of the corresponding hole and perpendicular to the side face of the housing in which the hole is formed.
  • Alternatively, the housing comprises two cable insertion holes in the interior volume, the cable insertion axis is parallel to the central axes of the two cable insertion holes, equidistant from the two central axes of the two holes and perpendicular to the lateral face of the housing in which are formed the holes and the radial axis to the pivot axis of the lever is parallel to this cable insertion axis.
  • The longitudinal axis of the arm and the radial axis to the pivot axis are contained in the same plane perpendicular to the pivot axis and the gripping zone of the lever is shifted along the pivot axis, relative to to the axis of the lever.
  • The longitudinal axis of the lever arm and the radial axis to the pivot axis are non-parallel and the gripping zone of the lever is in the extension along the longitudinal axis of the arm.
  • The gripping zone is in overflow of the housing, beyond one of its lateral faces, when the lever is in its first position, said open, or in its second position, said closed.
  • When the lever is in its first position, said open, or in its second position, said closed, the gripping zone of the lever is inclined relative to a plane parallel to a face of the housing at which is defined the axis of pivoting.
  • The gripping zone is inclined in a direction away from the face of the housing away from the pivot axis.
  • When the lever is in its first position, called open, or in its second position, said closed, the gripping zone is located right of the side face of the housing provided with the insertion hole of the electric cable.
  • Alternatively, when the lever is in its first position, said open, or in its second position, said closed, the gripping zone is located at the right of a side face of the housing opposite to the side face provided with the insertion hole electric cable.
  • The terminal block comprises at least one second lever, the two levers are mounted side by side with their parallel pivoting axes and the gripping zones of the two levers are shifted identically each relative to a radial axis to the pivot axis and passing through a point of intersection between the pivot axis and the axis longitudinal arm of the corresponding lever. The fact that the gripping zones of the two levers are staggered in an identical manner facilitates access to these gripping zones with a finger, including in the case where the terminal block comprises more than two levers, in particular three levers, which corresponds to a case where the central or central lever (s) is (are) stuck between the two end levers.
  • Each lever is monobloc and rigid, with the same geometry in its first position, said open, and in its second position, said closed.

Selon un autre aspect, l'invention concerne un système de double-interrupteur comprenant deux borniers, ce système étant tel que :

  • les borniers sont tels que mentionnés ci-dessus,
  • les deux borniers sont montés sur un support avec leurs faces latérales munies d'au moins un trou d'insertion de câble à l'opposé l'une de l'autre,
  • deux leviers appartenant respectivement chacun à un bornier sont montés en vis-à-vis l'un de l'autre
  • les axes radiaux à l'axe de pivotement et passant par un point d'intersection entre l'axe de pivotement et l'axe longitudinal du bras de chacun des deux leviers sont confondus en un axe commun,
  • les leviers des deux borniers sont disposés avec leurs zones de préhension au droit de faces latérales en vis-à-vis des deux borniers,
  • les zones de préhension des deux leviers en vis-à-vis sont décalées l'une et l'autre le long de l'axe de pivotement d'un de ces leviers, de part et d'autre de l'axe commun.
According to another aspect, the invention relates to a dual-switch system comprising two terminal blocks, this system being such that:
  • the terminal blocks are as mentioned above,
  • the two terminal blocks are mounted on a support with their lateral faces provided with at least one cable insertion hole opposite each other,
  • two levers each respectively belonging to a terminal block are mounted vis-à-vis one another
  • the radial axes at the pivot axis and passing through a point of intersection between the pivot axis and the longitudinal axis of the arm of each of the two levers are merged into a common axis,
  • the levers of the two terminal blocks are arranged with their gripping zones to the right of side faces vis-à-vis the two terminal blocks,
  • the gripping areas of the two levers vis-à-vis are offset both along the pivot axis of one of these levers, on either side of the common axis.

Grâce à l'invention, les leviers du système de double interrupteur sont disposés « en épi », ce qui donne un accès plus aisé pour soulever l'extrémité libre d'un levier notamment lorsque les zones de préhension des leviers sont proches d'une zone intermédiaire entre les deux borniers. Ceci facilite le pivotement des leviers de leurs deuxièmes positions respectives vers leurs premières positions respectives.Thanks to the invention, the levers of the double switch system are arranged "on the cob", which gives an easier access to lift the free end of a lever, particularly when the gripping zones of the levers are close to one end. intermediate zone between the two terminal blocks. This facilitates the pivoting of the levers of their respective second positions to their respective first positions.

De façon avantageuse, les deux borniers sont montés dos à dos et identiques. Du fait de ce montage dos à dos des deux borniers, qui est obtenu par le retournement de l'un d'entre eux, les zones de préhension des leviers qui sont disposées au même niveau sont décalées latéralement les unes des autres, de part et d'autre de l'axe commun, sans autre manipulation. L'encombrement du système de double interrupteur et la facilité d'accès aux leviers sont ainsi optimisés. Une seule référence de bornier est nécessaire pour la construction du système de double interrupteur, ce qui est avantageux en termes industriels.Advantageously, the two terminal blocks are mounted back to back and identical. Due to this back-to-back assembly of the two terminal blocks, which is obtained by the overturning of one of them, the gripping zones of the levers which are arranged at the same level are shifted laterally from each other, from both sides. else of the common axis, without further manipulation. The size of the dual switch system and the ease of access to the levers are optimized. A single terminal block reference is required for the construction of the dual switch system, which is advantageous in industrial terms.

L'invention sera mieux comprise et d'autres avantages de celle-ci apparaitront plus clairement à la lumière de la description qui va suivre dans le mode de réalisation d'un bornier et d'un système de double interrupteur conformes à l'invention, donnée uniquement à titre d'exemple et faite en référence aux dessins annexés dans lesquels :

  • la figure 1 est une vue en perspective d'un bornier conforme à l'invention ;
  • la figure 2 est une vue en perspective du bornier de la figure 1, selon un autre angle ;
  • la figure 3 est une vue de côté du bornier des figures 1 et 2 ;
  • la figure 4 est une vue arrière du bornier des figures 1 à 3 ;
  • la figure 5 est une coupe prise selon la ligne V-V à la figure 4 ;
  • la figure 6 est une vue en perspective du bornier coupée dans le plan de la figure 5;
  • les figures 7 à 9 sont des coupes prises respectivement selon les lignes VII-VII, VIII-VIII et IX-IX à la figure 4 ;
  • la figure 10 est une vue arrière analogue à la figure 4, lorsque le bornier est dans une deuxième configuration de fonctionnement ;
  • la figure 11 est une vue en perspective à plus grande échelle d'un levier du bornier des figures 1 à 10 ;
  • la figure 12 est une vue en perspective du bornier des figures 1 à 11, dans laquelle son boîtier isolant est omis ;
  • la figure 13 est une vue en perspective par l'avant d'un système de double interrupteur conforme à l'invention ;
  • la figure 14 est une vue arrière du système d'interrupteur de la figure 13 ;
  • la figure 15 est une vue arrière comparable à la figure 14 lorsque le système d'interrupteur est dans une autre configuration de fonctionnement et,
  • la figure 16 est une vue en perspective par l'arrière du système d'interrupteur dans la configuration de la figure 15.
The invention will be better understood and other advantages thereof will appear more clearly in the light of the description which follows in the embodiment of a terminal block and a dual switch system according to the invention, given only by way of example and with reference to the appended drawings in which:
  • the figure 1 is a perspective view of a terminal block according to the invention;
  • the figure 2 is a perspective view of the terminal block of the figure 1 according to another angle;
  • the figure 3 is a side view of the terminal block Figures 1 and 2 ;
  • the figure 4 is a rear view of the terminal block Figures 1 to 3 ;
  • the figure 5 is a cut taken along line VV to the figure 4 ;
  • the figure 6 is a perspective view of the terminal block cut in the plane of the figure 5 ;
  • the Figures 7 to 9 are taken on lines VII-VII, VIII-VIII and IX-IX respectively at line figure 4 ;
  • the figure 10 is a rear view similar to the figure 4 when the terminal block is in a second operating configuration;
  • the figure 11 is a perspective view on a larger scale of a terminal block lever Figures 1 to 10 ;
  • the figure 12 is a perspective view of the terminal block Figures 1 to 11 in which its insulating housing is omitted;
  • the figure 13 is a perspective view from the front of a dual switch system according to the invention;
  • the figure 14 is a rear view of the switch system of the figure 13 ;
  • the figure 15 is a rear view comparable to the figure 14 when the switch system is in a different operating configuration and,
  • the figure 16 is a perspective view from the back of the switch system in the configuration of the figure 15 .

Le bornier 2 représenté aux figures 1 à 12 comprend un boîtier 4 réalisé en matériau électriquement isolant, c'est-à-dire dans un matériau qui empêche le passage de courant électrique lorsqu'il est soumis à une tension compatible avec ses conditions nominales d'utilisation.Terminal block 2 shown in Figures 1 to 12 comprises a housing 4 made of electrically insulating material, that is to say in a material which prevents the passage of electric current when it is subjected to a voltage compatible with its nominal conditions of use.

Le bornier 2 est destiné à permettre la connexion de câbles électriques. Comme représenté aux figures 1, 2, 4, 5, 7 à 9 et 12, trois câbles électriques C2, C4 et C6 sont montés sur le bornier 2. Ces câbles sont omis sur les figures 3, 6 et 10, pour la clarté du dessin. En pratique, le nombre de câbles électriques montés sur le bornier 2 dépend de l'utilisation prévue pour ce bornier.The terminal block 2 is intended to allow the connection of electrical cables. As represented in Figures 1, 2 , 4 , 5 , 7 to 9 and 12 , three electrical cables C2, C4 and C6 are mounted on the terminal block 2. These cables are omitted on the figures 3 , 6 and 10 for the sake of clarity drawing. In practice, the number of electrical cables mounted on the terminal block 2 depends on the intended use for this terminal block.

Dans l'exemple des figures, le bornier 2 fait partie d'un interrupteur qui peut être utilisé pour commander, à la montée ou à la descente, un moteur électrique d'entraînement d'un tablier de fermeture ou de protection solaire. Pour ce faire, le bornier 2 est équipé de deux poussoirs 6 et 8 permettant de déplacer sélectivement des lames de contact non visibles disposées à l'intérieur du boîtier 4.In the example of the figures, the terminal block 2 is part of a switch that can be used to control, on ascent or descent, an electric motor driving a closing apron or sun protection. To do this, the terminal block 2 is equipped with two pushers 6 and 8 for selectively displacing non-visible contact blades disposed inside the housing 4.

Le bornier 2 définit une face avant 2A au niveau de laquelle sont prévus les poussoirs 6 et 8, une face arrière 2B opposée à la face avant, une première face latérale 2C, une deuxième face latérale 2D opposée à la première face latérale 2C, une première face frontale 2E et une deuxième face frontale 2F opposée à la première face frontale 2E. Les faces latérales sont globalement parallèles entre elles, de même que les faces d'extrémité. Les faces 2B à 2F correspondent aux parois du boîtier 4.The terminal block 2 defines a front face 2A at which the push-buttons 6 and 8 are provided, a rear face 2B opposite to the front face, a first lateral face 2C, a second lateral face 2D opposite to the first lateral face 2C, a first end face 2E and a second end face 2F opposite the first end face 2E. The lateral faces are generally parallel to each other, as are the end faces. The faces 2B to 2F correspond to the walls of the casing 4.

Six trous d'insertion 10 d'extrémités dénudées de câbles électriques à l'intérieur du boîtier sont prévus sur la face latérale 2C. Ces trous 10 sont disposés par groupes de deux, au voisinage de la face arrière 2B.Six insertion holes 10 of stripped ends of electrical cables inside the housing are provided on the side face 2C. These holes 10 are arranged in groups of two, in the vicinity of the rear face 2B.

Trois leviers 12, 14 et 16 sont articulés sur le boîtier, plus particulièrement au niveau de la face arrière 2B, chacun autour d'un axe de pivotement que l'on note respectivement, X12, X14 et X16. Dans l'exemple, les axes X12 et X16 des deux leviers d'extrémité les plus proches des faces 2E et 2F sont confondus, alors que l'axe X14 du levier intermédiaire 14 est parallèle aux axes X12 et X14 mais décalé par rapport à ceux-ci en étant plus éloigné qu'eux de la face avant 2A. Ce décalage est lié à une conception possible du bornier et est un exemple de réalisation. Ceci provient du caractère étagé de la face arrière 2B dû au fait que le boîtier 4 comporte une partie 4B en saillie au centre de la face arrière 2B, dans laquelle est défini l'axe X14. En pratique, les axes X12, X14 et X16 sont définis par le boîtier 4.Three levers 12, 14 and 16 are articulated on the housing, more particularly at the rear face 2B, each around a pivot axis that is respectively noted, X12, X14 and X16. In the example, the axes X12 and X16 of the two end levers closest to the faces 2E and 2F coincide, while the axis X14 of the intermediate lever 14 is parallel to the axes X12 and X14 but offset from those by being farther away than they from the front face 2A. This offset is related to a possible design of the terminal block and is an example embodiment. This is due to the stepped nature of the rear face 2B due to the fact that the housing 4 has a portion 4B projecting in the center of the rear face 2B, in which is defined the axis X14. In practice, the axes X12, X14 and X16 are defined by the housing 4.

En variante, les axes X12 et X16 ne sont pas confondus, mais parallèles et décalés latéralement l'un de l'autre. En variante, les trois axes X12, X14, X16 sont confondus.Alternatively, the X12 and X16 axes are not coincidental, but parallel and laterally offset from each other. Alternatively, the three axes X12, X14, X16 are merged.

Les leviers, 12, 14 et 16 sont identiques. Seul le levier 12 est décrit en détail, en référence à la figure 11. Ce levier comprend deux paliers circulaires 122 qui sont centrés sur l'axe X12 et qui collaborent avec des sièges circulaires non représentés ménagés dans le boîtier 4, au niveau de la face arrière 2B du bornier, pour guider en pivotement le levier 12 autour de cet axe. Le levier 12 comprend également un bras 124 qui s'étend selon un axe longitudinal A12 qui est radial à l'axe X12. On note P12 un point d'intersection entre les axes X12 et A12. Le bras 124 s'étend à partir d'un moyeu 125 disposé, le long de l'axe X12, entre les paliers 122. Plus précisément, le bras 124 comprend une première extrémité 124A attachée au moyeu 125 et une deuxième extrémité 124B, opposée à l'extrémité 124A et sur laquelle est raccordée une palette 126 qui constitue une zone de préhension du levier 12 pour sa manipulation en pivotement autour de l'axe X12.The levers 12, 14 and 16 are identical. Only the lever 12 is described in detail, with reference to the figure 11 . This lever comprises two circular bearings 122 which are centered on the axis X12 and which collaborate with unrepresented circular seats formed in the housing 4, at the rear face 2B of the terminal block, for pivotally guiding the lever 12 around this axis. The lever 12 also comprises an arm 124 which extends along a longitudinal axis A12 which is radial to the axis X12. We note P12 a point intersection between the X12 and A12 axes. The arm 124 extends from a hub 125 disposed along the axis X12 between the bearings 122. More specifically, the arm 124 comprises a first end 124A attached to the hub 125 and a second end 124B, opposite at the end 124A and on which is connected a pallet 126 which constitutes a gripping zone of the lever 12 for its manipulation in pivoting about the axis X12.

On note C126 le centre géométrique de la palette 126. La palette 126 est disposée, le long de l'axe, d'un seul côté du bras A12. En outre, le centre C126 est décalé axialement, le long de l'axe X12, par rapport à l'axe A12.C126 is the geometric center of the pallet 126. The pallet 126 is disposed along the axis on one side of the arm A12. In addition, the center C126 is axially offset, along the axis X12, with respect to the axis A12.

Le levier 12 comprend également un talon 128 qui s'étend radialement à l'axe X12 par rapport au moyeu 125 et qui est destiné à interagir avec des lamelles métalliques élastiquement déformables disposées dans le boîtier 4 pour être en contact électrique avec les extrémités dénudées des câbles C2 à C6 insérées dans le bornier, ainsi qu'il ressort des explications qui suivent.The lever 12 also comprises a heel 128 which extends radially to the axis X12 relative to the hub 125 and which is intended to interact with elastically deformable metal strips disposed in the housing 4 to be in electrical contact with the stripped ends of the cables C2 to C6 inserted in the terminal block, as can be seen from the following explanations.

Le levier 12 est monobloc. En d'autres termes, ses parties 122, 124, 125, 126 et 128 sont formées par une seule pièce.The lever 12 is monobloc. In other words, its parts 122, 124, 125, 126 and 128 are formed in one piece.

De la même façon, les leviers 14 et 16 comprennent chacun un bras respectivement 144 ou 164, à l'extrémité duquel est ménagée une palette, respectivement 146 ou 166. Des axes A14, A16, Y24 et Y26 sont définis pour les leviers 14 et 16, comme les axes A12 et Y22 pour le levier 12.Similarly, the levers 14 and 16 each comprise an arm respectively 144 or 164, at the end of which is provided a pallet, respectively 146 or 166. Axes A14, A16, Y24 and Y26 are defined for the levers 14 and 16, as the axes A12 and Y22 for the lever 12.

Chacun des leviers, 12, 14 et 16 est mobile entre une première position, représentée aux figures 1 à 9 et 12 pour le levier 14, et une deuxième position représentée sur ces figures pour les leviers 12 et 16. A la figure 10, les trois leviers, 12, 14 et 16 sont dans la deuxième position.Each of the levers 12, 14 and 16 is movable between a first position, shown in FIGS. Figures 1 to 9 and 12 for the lever 14, and a second position shown in these figures for the levers 12 and 16. At the figure 10 , the three levers, 12, 14 and 16 are in the second position.

Chaque levier 12, 14 ou 16 est rigide, c'est-à-dire qu'il conserve la même géométrie dans ses première et deuxième positions et qu'il passe d'une position à l'autre sans se déformer.Each lever 12, 14 or 16 is rigid, that is to say that it retains the same geometry in its first and second positions and that it moves from one position to another without deforming.

Lorsqu'il est dans sa première position, chaque levier, 12, 14 ou 16 permet d'introduire, à travers l'un des trous 10, l'extrémité dénudée d'un câble électrique dans le volume intérieur du boîtier 4.When in its first position, each lever 12, 14 or 16 makes it possible to introduce, via one of the holes 10, the stripped end of an electric cable into the interior of the housing 4.

Lorsqu'il est dans sa deuxième position, chaque levier 12, 14 ou 16 agit de telle sorte que l'extrémité d'un câble électrique préalablement introduite dans le volume intérieur du boîtier 4 est immobilisée dans ce volume intérieur.When in its second position, each lever 12, 14 or 16 acts such that the end of an electric cable previously introduced into the interior of the housing 4 is immobilized in this interior volume.

Plus précisément, le boîtier comprend trois cavaliers, 22, 24 et 26 réalisés en matériau électriquement conducteur qui sont fixés dans le boîtier 4 et à l'intérieur de chacun desquels sont disposés deux lamelles électriquement conductrices 28. Les pièces 22 à 28 sont, de préférence, en métal notamment en inox écroui, en cuivre ou en acier.More specifically, the housing comprises three jumpers, 22, 24 and 26 made of electrically conductive material which are fixed in the housing 4 and inside the housing. each of which are arranged two electrically conductive strips 28. The parts 22 to 28 are preferably made of metal including hardened stainless steel, copper or steel.

Le talon 128 du levier 12 permet, en fonction de la position angulaire du bras 124 autour de l'axe de pivotement X12, d'exercer ou non sur les lamelles 28 un effort de déformation élastique qui amène ces lamelles dans une configuration compatible avec un mouvement de l'extrémité dénudée d'un des câbles C2 à C6 à travers l'un des trous d'insertion 10, dans un sens d'introduction ou dans un sens d'extraction.The heel 128 of the lever 12 makes it possible, depending on the angular position of the arm 124 around the pivot axis X12, to exert or not to exert on the lamellae 28 an elastic deformation force which brings these lamellae into a configuration that is compatible with a movement of the stripped end of one of the cables C2 to C6 through one of the insertion holes 10, in an insertion direction or in an extraction direction.

On note Y22 un axe radial à l'axe X12, passant par le point P12 et parallèle à la face arrière 2B, c'est-à-dire perpendiculaire aux faces latérales de C et de D en considérant que le boîtier a une forme extérieure globalement parallélépipédique. Cet axe Y22 s'étend, le long de l'axe X12, au centre du cavalier 22. Les axes A12 et Y22 sont contenus dans un même plan π12 perpendiculaire à l'axe de pivotement X12, qui est le plan de coupe des figures 5 et 6.Y22 denotes a radial axis X12, passing through the point P12 and parallel to the rear face 2B, that is to say perpendicular to the side faces of C and D considering that the housing has an outer shape globally parallelepipedic. This axis Y22 extends, along the axis X12, in the center of the jumper 22. The axes A12 and Y22 are contained in the same plane π12 perpendicular to the pivot axis X12, which is the section plane of the Figures 5 and 6 .

On note par ailleurs 10A et 10B les trous d'insertion de câble disposés de part et d'autre du levier 12 le long de l'axe X12 et on note Y10 un axe d'insertion de câbles dans les deux trous 10A et 10B qui débouchent dans le volume V22 du cavalier 22, ce volume V22 étant un volume intérieur au boîtier 4 qui correspond au levier 12. Cet axe d'insertion de câbles Y10 est parallèle aux axes centraux Y10A et Y10B des deux trous d'insertion 10A et 10B, ces axes centraux étant eux-mêmes perpendiculaires à la face latérale 2C. L'axe d'insertion de câble Y10 est, par ailleurs, équidistant des deux axes centraux Y10A et Y10B et situé entre eux le long de l'axe X12.Note also 10A and 10B the cable insertion holes disposed on either side of the lever 12 along the axis X12 and note Y10 a cable insertion axis in the two holes 10A and 10B which open into the volume V22 of the jumper 22, the volume V22 being an interior volume to the housing 4 which corresponds to the lever 12. This cable insertion axis Y10 is parallel to the central axes Y10A and Y10B of the two insertion holes 10A and 10B these central axes being themselves perpendicular to the lateral face 2C. The cable insertion axis Y10 is, moreover, equidistant from the two central axes Y10A and Y10B and located between them along the axis X12.

Le fait que deux trous d'insertion 10A et 10B débouchent dans le volume V22 permet, selon un aspect de l'invention qui n'est pas représenté sur les figures, de connecter deux câbles électriques de façon permanente, indépendamment du fonctionnement de l'interrupteur, en introduisant leurs extrémités dénudées respectives dans le volume V22 à travers ces deux trous.The fact that two insertion holes 10A and 10B open into the volume V22 allows, according to one aspect of the invention which is not shown in the figures, to connect two electric cables permanently, independently of the operation of the switch, by introducing their respective stripped ends in the volume V22 through these two holes.

Dans le cas non représenté où un seul trou d'insertion de câble est prévu en regard du volume V22, l'axe d'insertion de câble Y10 est alors confondu avec l'axe central de cet unique trou, tout en étant perpendiculaire à la face 2C.In the case not shown where a single cable insertion hole is provided next to the volume V22, the cable insertion axis Y10 is then merged with the central axis of this single hole, while being perpendicular to the face 2C.

Dans sa deuxième position représentée aux figures 5 à 7, le levier 12 est rabattu vers la face arrière 2B au point que son bras 124 jouxte cette face arrière et que son talon 128 n'exerce pas d'effort significatif sur les lamelles 28. Les lamelles sont ainsi libres de venir pincer l'extrémité dénudée E2 du câble C2 contre les branches du cavalier 22, ce qui immobilise cette extrémité dans le volume V22, comme représenté à la figure 7. Dans cette position, le levier 12 empêche le retrait de l'extrémité E2 du câble C2 hors du volume V22, en laissant les lamelles 28 pincer cette extrémité.In his second position represented in Figures 5 to 7 , the lever 12 is folded towards the rear face 2B to the point that its arm 124 adjoins the rear face and that its heel 128 does not exert significant effort on the lamellae 28. The lamellae are thus free to pinch the end denuded E2 of the cable C2 against the branches of the jumper 22, which immobilizes this end in the volume V22, as shown in FIG. figure 7 . In this position, the lever 12 prevents the removal of the end E2 of the cable C2 out of the volume V22, leaving the slats 28 pinch this end.

Sur les figures 1 à 9, le levier 14 est dans sa première position où son bras 144 s'étend, à partir de la face arrière 2B globalement selon une direction parallèle aux faces latérales 2C et 2D, alors que son talon 148 exerce sur les lamelles 28 un effort qui permet de les déformer élastiquement, au point que l'extrémité E4 du câble n'est plus coincée par ces lamelles et peut être engagée dans ou retirée hors du volume intérieur V24 du cavalier 24 à travers les trous d'insertion 10 ménagés dans la face 2C en regard de ce volume. Ce volume V24 est un volume intérieur du boîtier 4 qui correspond au levier 14.On the Figures 1 to 9 , the lever 14 is in its first position where its arm 144 extends from the rear face 2B generally in a direction parallel to the side faces 2C and 2D, while its heel 148 exerts on the blades 28 a force which allows to deform them elastically, to the point that the end E4 of the cable is no longer jammed by these strips and can be engaged in or removed from the internal volume V24 of the jumper 24 through the insertion holes 10 formed in the face 2C next to this volume. This volume V24 is an interior volume of the housing 4 which corresponds to the lever 14.

En variante, dans la première position d'un levier, son talon n'agit pas sur les lamelles, alors qu'il agit sur les lamelles dans la deuxième position du levier.Alternatively, in the first position of a lever, its heel does not act on the slats, while it acts on the slats in the second position of the lever.

Les trois leviers 12, 14 et 16 fonctionnent de la même façon, en pivotant respectivement autour des axes X12, X14 et X16 pour interagir avec les lamelles 28 comme expliqué ci-dessus.The three levers 12, 14 and 16 operate in the same way, pivoting respectively about the axes X12, X14 and X16 to interact with the slats 28 as explained above.

Il est essentiel de pouvoir aisément manipuler chacun des leviers 12 à 16 pour les faire passer de leur première à leur deuxième position et réciproquement. Pour cela, les palettes 126, 146 et 166 sont des organes essentiels, auxquels il convient d'accéder de façon aisée, rapide et intuitive.It is essential to be able to easily manipulate each of the levers 12 to 16 to move them from their first to their second position and vice versa. For this, the pallets 126, 146 and 166 are essential organs, which should be accessed easily, quickly and intuitively.

Ceci est possible grâce au fait que la palette 126 est décalée, latéralement le long de l'axe X12, par rapport à l'axe Y22. Il en est de même pour les palettes 146 et 166.This is possible because the pallet 126 is offset laterally along the axis X12 with respect to the axis Y22. It is the same for the pallets 146 and 166.

Comme visible à la figure 10, les palettes 126, 146 et 166 des leviers 12, 14 et 16 sont toutes décalées, le long de l'axe de pivotement X12, X14 et X16 du même côté des axes Y22, Y24 et Y26.As visible at figure 10 , the vanes 126, 146 and 166 of the levers 12, 14 and 16 are all shifted along the pivot axis X12, X14 and X16 on the same side of the axes Y22, Y24 and Y26.

Le décalage latéral entre les palettes 126, 146 et 166, d'une part, et les axes Y21, Y24 et Y26, d'autre part, est effectif lorsque ces leviers sont dans leur deuxième position, comme représenté à la figure 10. Ce décalage est également effectif lorsque ces leviers sont dans leur première position, comme représenté aux figures 1 à 4 notamment pour le levier 14. Ceci peut être rapproché du caractère rigide et indéformable des leviers.The lateral offset between the vanes 126, 146 and 166, on the one hand, and the axes Y21, Y24 and Y26, on the other hand, is effective when these levers are in their second position, as shown in FIG. figure 10 . This shift is also effective when these levers are in their first position, as shown in Figures 1 to 4 especially for the lever 14. This can be compared to the rigid and indeformable nature of the levers.

On remarque également aux figures 7 et 9 que les palettes 126 et 166 débordent latéralement de la face latérale 2D, sur une distance d non nulle, lorsque les leviers 12 et 16 sont dans leur deuxième position. Ceci facilite la préhension de ces leviers par un mouvement vertical du doigt le long de la face latérale 2D, en s'éloignant de la face avant 2A.We also notice figures 7 and 9 that the pallets 126 and 166 protrude laterally from the lateral face 2D, over a distance d non-zero, when the levers 12 and 16 are in their second position. This facilitates the gripping of these levers by a vertical movement of the finger along the 2D side face, away from the front face 2A.

Sur ces figures, chaque palette est inclinée par rapport à un plan π'12 contenant les axes X12 et Y22, c'est-à-dire un plan parallèle à la face arrière 2B. Plus précisément, la palette 126 s'éloigne de la face d'extrémité 2B en s'éloignant de l'axe X12. Là encore, ceci facilite la préhension des leviers 12 à 16 lorsqu'ils sont dans leur deuxième position.In these figures, each pallet is inclined with respect to a plane π'12 containing the axes X12 and Y22, that is to say a plane parallel to the rear face 2B. More precisely, the pallet 126 moves away from the end face 2B away from the axis X12. Again, this facilitates the gripping of the levers 12 to 16 when in their second position.

Dans l'exemple des figures, l'axe de pivotement, X12, X14 ou X16 de chaque levier 12, 14 ou 16 est disposé au voisinage de la face latérale 2C pourvue des trous d'insertion 10, de telle sorte que, dans la deuxième position d'un levier, son talon 128, 148 ou 168 agit sur les lamelles 28 au voisinage de la zone d'entrée des extrémités dénudées des câbles dans les volumes V22 et équivalents. Sa palette 126, 146 ou 166 se situe alors au droit de la face latérale opposée 2D. Par « au droit » on entend que la palette est dans le prolongement de la face 2D selon une direction parallèle à cette face.In the example of the figures, the pivot axis, X12, X14 or X16 of each lever 12, 14 or 16 is arranged in the vicinity of the lateral face 2C provided with the insertion holes 10, so that in the second position of a lever, its heel 128, 148 or 168 acts on the lamellae 28 in the vicinity of the entrance area of the stripped ends of the cables in volumes V22 and the like. Its palette 126, 146 or 166 is then at the right of the opposite side face 2D. By "right" is meant that the pallet is in the extension of the 2D face in a direction parallel to this face.

En variante, les axes de pivotement des leviers peuvent être disposés au voisinage de la face latérale 2D, auquel cas, lorsque les leviers sont dans leur deuxième position, les palettes 126 à 166 se situent au droit de la face latérale 2C munies des trous d'insertion.Alternatively, the pivot axes of the levers may be arranged in the vicinity of the 2D side face, in which case, when the levers are in their second position, the pallets 126 to 166 are located in line with the side face 2C provided with the holes 'insertion.

Comme représenté sur les figures 13 et suivantes, l'invention permet de concevoir un système 200 de double interrupteur qui comprend deux borniers 2 identiques dans lesquels sont insérés des câbles électriques C2 à C6 et C2' à C6', en nombre variable en fonction de l'installation souhaitée.As shown on figures 13 and following, the invention makes it possible to design a system 200 of double switch which comprises two identical terminal blocks 2 in which are inserted electrical cables C2 to C6 and C2 'to C6', in number depending on the desired installation.

Ces borniers 2 sont montés sur un support 202 du système 200 et disposés sur une face arrière de ce système dont la face avant est habillée d'un enjoliveur 204. Pour la clarté du dessin, cet enjoliveur 204 n'est pas représenté sur les figures 15 et 16.These terminal blocks 2 are mounted on a support 202 of the system 200 and disposed on a rear face of this system whose front face is dressed with a trim 204. For the sake of clarity, this trim 204 is not shown on the Figures 15 and 16 .

Les borniers 2 sont montés sur le support avec leurs premières faces latérales respectives 2C opposée l'une à l'autre, c'est-à-dire orientés vers l'extérieur, ce qui facilite la mise en place des câbles C2 et C6 et C2' à C6' dans les trous d'insertion 10 par l'extérieur de l'ensemble des deux borniers. Pour la clarté du dessin également, les câbles C2 à C6 et C2' à C6' ne sont pas représentés sur les figures 15 et 16.The terminal blocks 2 are mounted on the support with their respective first side faces 2C opposite one another, that is to say oriented outwards, which facilitates the introduction of the cables C2 and C6 and C2 'to C6' in the insertion holes 10 from the outside of the set of two terminal blocks. For the clarity of the drawing also, the cables C2 to C6 and C2 'to C6' are not represented on the Figures 15 and 16 .

Les faces latérales 2D des deux borniers 2 sont disposées face à face, en étant parallèles, avec un écartement e entre elles.The 2D side faces of the two terminal blocks 2 are arranged facing each other, being parallel, with a spacing e between them.

Pour une bonne compacité du système d'interrupteur, il importe que l'écartement e entre ces faces latérales 2D soit relativement faible.For a good compactness of the switch system, it is important that the spacing e between these 2D side faces is relatively small.

L'axe Y22 d'un premier bornier, parmi les deux borniers 2, est confondu avec l'axe Y26 du deuxième bornier. On note Y2 l'axe commun ainsi défini. De même, les axes Y24 des deux borniers 2 sont confondus en un axe commun que l'on note Y4. Le système de double interrupteur 200 comprend donc deux axes communs Y2 et un axe commun Y4 qui sont perpendiculaires aux axes X12, X14 et X16 de pivotement des leviers 12, 14 et 16 et parallèles aux faces arrière 2B des borniers 2.The Y22 axis of a first terminal block, among the two terminal blocks 2, coincides with the axis Y26 of the second terminal block. Y2 is the common axis thus defined. Similarly, the Y24 axes of the two terminal blocks 2 are merged into a common axis that is noted Y4. The double switch system 200 thus comprises two common axes Y2 and a common axis Y4 which are perpendicular to the pivot axes X12, X14 and X16 of the levers 12, 14 and 16 and parallel to the rear faces 2B of the terminal blocks 2.

Comme cela ressort des figures 14 à 16, les palettes, 126, 146 et 166 des différents leviers 12, 14 et 16 peuvent déborder des faces latérales 2D sans entrer en contact ni se gêner lors des manipulations des leviers, alors que la valeur de l'écartement e est faible, grâce au fait que ces palettes sont décalées latéralement le long des axes de pivotement X12, X14 et X16. Comme visible à la figure 15, les palettes 126, 146 et 166 sont décalées « en épi ».As is apparent from Figures 14 to 16 , the vanes, 126, 146 and 166 of the various levers 12, 14 and 16 can overflow 2D lateral faces without coming into contact or being interfered with during the manipulation of the levers, whereas the value of the distance e is small, thanks to the These pallets are offset laterally along the pivot axes X12, X14 and X16. As visible at figure 15 , the pallets 126, 146 and 166 are shifted "on the cob".

Dans l'exemple, l'écartement e a une valeur de l'ordre de 5 mm. La distance de débordement d a une valeur comprise de l'ordre de 2,3 mm.In the example, the spacing e has a value of the order of 5 mm. The overflow distance d has a value of the order of 2.3 mm.

On remarque aux figures 14 à 16 que, compte tenu de la géométrie des borniers 2, les palettes 126 et 166 des leviers 12 et 16 appartenant chacun à un bornier 2 différent, sont décalées le long des axes de pivotement X12 et X16, de part et d'autre de l'axe commun Y2. De même, dans la configuration des figures 15 et 16, les palettes 146 des deux leviers 14 appartenant respectivement aux deux borniers 2 sont décalées, le long des axes X14, de part et d'autre de l'axe commun Y4. Ceci facilite les manipulations des leviers 12 à 16, notamment pour faire passer les leviers 14 de la deuxième position représentée à la figure 15 à la première position représentée à la figures 14, et réciproquement.We notice Figures 14 to 16 that, taking into account the geometry of the terminal blocks 2, the vanes 126 and 166 of the levers 12 and 16, each belonging to a different terminal block 2, are shifted along the pivot axes X12 and X16, on either side of the common axis Y2. Similarly, in the configuration of Figures 15 and 16 , the vanes 146 of the two levers 14 respectively belonging to the two terminal blocks 2 are shifted along the X14 axes, on either side of the common axis Y4. This facilitates the manipulation of the levers 12 to 16, in particular to move the levers 14 of the second position shown in FIG. figure 15 in the first position represented in figures 14 , and reciprocally.

Une variante de l'invention est représentée en traits mixtes pour le levier 16, uniquement à la figure 10, sous la forme d'un levier 16'. Selon cette variante, l'axe longitudinal A'16 du bras 164' n'est pas parallèle à l'axe Y26 et la palette 166' s'étend dans le prolongement du bras 164', selon l'axe A'16. Cette variante permet également d'obtenir un décalage des palettes 126 à 166 des borniers 2 lorsque ceux-ci sont montés dos à dos sur le support 202 dans le cadre du système de double interrupteur 200.A variant of the invention is shown in phantom for the lever 16, only at the figure 10 in the form of a lever 16 '. According to this variant, the longitudinal axis A'16 of the arm 164 'is not parallel to the axis Y26 and the pallet 166' extends in the extension of the arm 164 ', along the axis A'16. This variant also makes it possible to obtain an offset of the pallets 126 to 166 of the terminal blocks 2 when they are mounted back to back on the support 202 in the context of the double switch system 200.

Le mode de réalisation et les variantes envisagées ci-dessus peuvent être combinés entre eux pour générer de nouveaux modes de réalisation de l'invention.The embodiment and variants envisaged above may be combined with one another to generate new embodiments of the invention.

Claims (14)

Bornier (2) de connexion électrique de câbles électriques (C2, C4, C6), le bornier comprenant un boîtier (4) électriquement isolant et au moins un levier (12) articulé sur le boîtier autour d'un axe de pivotement (X12) et comprenant un bras de levier (124) allongé qui s'étend suivant un axe longitudinal (A12), entre l'axe de pivotement et une extrémité libre (124B) du bras de levier, une face latérale (2C) du bornier étant munie d'au moins un trou (10) d'insertion d'une extrémité dénudée (E2) de câble électrique suivant un axe d'insertion (Y10) de câble, le trou débouchant dans un volume intérieur (V22) du boîtier, le pivotement du levier permettant de le faire passer d'une première position, dite ouverte, dans laquelle le levier autorise l'insertion d'une extrémité dénudée (E2) de câble électrique (C2) par le trou d'insertion (10) de la face latérale (2C) dans le volume intérieur (V22), vers une deuxième position, dite fermée, dans laquelle le levier empêche le retrait, hors du volume intérieur (V22) du boîtier (4), de l'extrémité dénudée du câble électrique préalablement insérée, le levier comprenant en outre une zone de préhension (126) positionnée à l'extrémité libre (124B) du bras de levier (124), caractérisé en ce que, lorsque le levier est dans sa deuxième position, dite fermée, la zone de préhension (126) est décalée latéralement parallèlement à l'axe de pivotement (X12), par rapport à un axe (Y22) radial à l'axe de pivotement et passant par un point d'intersection (P12) entre l'axe de pivotement (X12) et l'axe longitudinal du bras (A12).Terminal block (2) for electrical connection of electric cables (C2, C4, C6), the terminal block comprising an electrically insulating casing (4) and at least one lever (12) articulated on the casing around a pivot axis (X12) and comprising an elongate lever arm (124) extending along a longitudinal axis (A12), between the pivot axis and a free end (124B) of the lever arm, a side face (2C) of the terminal block being provided at least one hole (10) for inserting a stripped end (E2) of an electrical cable along a cable insertion axis (Y10), the hole opening into an internal volume (V22) of the housing, the pivoting lever for passing it from a first position, said open, in which the lever allows the insertion of a stripped end (E2) of electric cable (C2) by the insertion hole (10) of the face lateral section (2C) in the interior volume (V22) to a second, so-called closed position in which the lever prevents the withdrawal of the stripped end of the previously inserted electrical cable from the inner volume (V22) of the housing (4), the lever further comprising a gripping zone (126) positioned at the free end (124B) of the lever arm (124), characterized in that , when the lever is in its second, so-called closed position, the gripping zone (126) is offset laterally parallel to the pivot axis (X12) with respect to an axis (Y22) radial to the pivot axis and passing through a point of intersection (P12) between the pivot axis (X12) and the longitudinal axis of the arm (A12). Bornier selon la revendication 1 caractérisé en ce que l'axe (Y22) radial à l'axe de pivotement (X12) du levier est parallèle à l'axe d'insertion de câble (Y10), lui-même confondu avec l'axe du trou (10) correspondant et perpendiculaire à la face latérale (2C) du boîtier (4) dans laquelle est ménagé le trou.Terminal block according to claim 1 characterized in that the axis (Y22) radial to the pivot axis (X12) of the lever is parallel to the cable insertion axis (Y10), itself coincident with the axis the hole (10) corresponding and perpendicular to the lateral face (2C) of the housing (4) in which the hole is formed. Bornier selon la revendication 1 caractérisé en ce que le boîtier comprend deux trous (10A, 10B) d'insertion de câble dans le volume intérieur (V22) du boîtier (4), en ce que l'axe d'insertion de câble (Y10) est parallèle aux axes centraux (Y10A, Y10B) des deux trous d'insertion de câble, équidistant des deux axes centraux des deux trous et perpendiculaire à la face latérale (2C) du boîtier (4) dans laquelle sont ménagés les trous et en ce que l'axe (Y22) radial à l'axe de pivotement (X12) du levier est parallèle à l'axe d'insertion de câble (Y10).Terminal block according to claim 1 characterized in that the housing comprises two cable insertion holes (10A, 10B) in the interior (V22) of the housing (4), in that the cable insertion axis (Y10 ) is parallel to the central axes (Y10A, Y10B) of the two cable insertion holes, equidistant from the two central axes of two holes and perpendicular to the side face (2C) of the housing (4) in which the holes are provided and that the axis (Y22) radial to the pivot axis (X12) of the lever is parallel to the cable insertion axis (Y10). Bornier selon l'une des revendications précédentes caractérisé en ce que l'axe longitudinal (A12) du bras (124) et l'axe (Y22) radial à l'axe de pivotement sont contenus dans un même plan (π12) perpendiculaire à l'axe de pivotement (X12) et en ce que la zone de préhension (126) du levier est décalée, le long de l'axe de pivotement (X12), par rapport à l'axe du bras (A12).Terminal block according to one of the preceding claims characterized in that the longitudinal axis (A12) of the arm (124) and the axis (Y22) radial to the pivot axis are contained in a same plane (π12) perpendicular to the pivot axis (X12) and in that the gripping area (126) of the lever is shifted along the pivot axis (X12) relative to the axis of the arm (A12). Bornier selon l'une des revendications 1 à 3 caractérisé en ce que l'axe longitudinal (A'16) du bras (164') de levier (16') et l'axe (Y22) radial à l'axe de pivotement sont non parallèles et en ce que la zone de préhension (166') du levier est dans le prolongement, selon l'axe longitudinal (A'16), du bras (164').Terminal block according to one of claims 1 to 3 characterized in that the longitudinal axis (A'16) of the lever arm (164 ') (16') and the axis (Y22) radial to the pivot axis are non-parallel and in that the gripping zone (166 ') of the lever is in the extension, along the longitudinal axis (A'16) of the arm (164'). Bornier selon l'une des revendications précédentes caractérisé en ce que zone de préhension (126) est en débordement (d) du boîtier (4), au-delà d'une de ses faces latérales (2D), lorsque le levier (12) est dans sa première position, dite ouverte, ou dans sa deuxième position, dite fermée.Terminal block according to one of the preceding claims characterized in that gripping zone (126) is overflow (d) of the housing (4), beyond one of its lateral faces (2D), when the lever (12) is in its first position, called open, or in its second position, said closed. Bornier selon l'une des revendications précédentes caractérisé en ce que, lorsque le levier est dans sa première position, dite ouverte, ou dans sa deuxième position, dite fermée, la zone de préhension (126) du levier (12) est inclinée par rapport à un plan (π'12) parallèle à une face (2B) du boîtier (4) au niveau de laquelle est défini l'axe de pivotement (X12).Terminal block according to one of the preceding claims characterized in that , when the lever is in its first position, said open, or in its second position, said closed, the gripping zone (126) of the lever (12) is inclined relative at a plane (π'12) parallel to a face (2B) of the housing (4) at which the pivot axis (X12) is defined. Bornier selon la revendication 7 caractérisé en ce que la zone de préhension (126) est inclinée dans un sens où elle s'éloigne de la face (2B) du boîtier (4) en s'éloignant de l'axe de pivotement (X12).Terminal block according to claim 7 characterized in that the gripping zone (126) is inclined in a direction away from the face (2B) of the housing (4) away from the pivot axis (X12) . Bornier selon l'une des revendications précédentes caractérisé en ce que, lorsque le levier (12) est dans sa première position, dite ouverte, ou dans sa deuxième position, dite fermée, la zone de préhension (126) se situe au droit de la face latérale (2C) du boîtier munie du trou d'insertion (10) du câble électrique (C2 - C6).Terminal block according to one of the preceding claims characterized in that , when the lever (12) is in its first position, said open, or in its second position, said closed, the gripping zone (126) is located at the right of the lateral face (2C) of the housing provided with the insertion hole (10) of the electric cable (C2 - C6). Bornier selon l'une des revendications 1 à 8 caractérisé en ce que, lorsque le levier (12) est dans sa première position, dite ouverte, ou dans sa deuxième position, dite fermée, la zone de préhension (126) se situe au droit d'une face latérale (2D) du boîtier opposée à la face latérale (2C) munie du trou d'insertion (10) du câble électrique (C2 - C6).Terminal block according to one of claims 1 to 8 characterized in that , when the lever (12) is in its first position, said open, or in its second position, said closed, the gripping zone (126) is located at the right a side face (2D) of the housing opposed to the side face (2C) provided with the insertion hole (10) of the electric cable (C2 - C6). Bornier selon l'une des revendications précédentes caractérisé en ce qu'il comprend au moins un deuxième levier (14, 16), en ce que les deux leviers (12 - 16) sont montés côte à côte avec leurs axes de pivotement (X12, X14, X16) parallèles et en ce que les zones de préhension (126, 146, 166) des deux leviers sont décalées de manière identique chacune par rapport à un axe (Y22, Y24, Y26) radial à l'axe de pivotement et passant par un point d'intersection (P12) entre l'axe de pivotement et l'axe longitudinal (A12, A14, A16) du bras (124, 144, 164) du levier correspondant.Terminal block according to one of the preceding claims, characterized in that it comprises at least one second lever (14, 16), in that the two levers (12 - 16) are mounted side by side with their pivot axes (X12, X14, X16) and that the gripping areas (126, 146, 166) of the two levers are each identically offset with respect to an axis (Y22, Y24, Y26) radial to the pivot axis and passing by a point of intersection (P12) between the pivot axis and the longitudinal axis (A12, A14, A16) of the arm (124, 144, 164) of the corresponding lever. Bornier selon l'une des revendications précédentes caractérisé en ce que chaque levier (12) est monobloc et rigide, avec la même géométrie dans sa première position, dite ouverte, et dans sa deuxième position, dite fermée.Terminal block according to one of the preceding claims characterized in that each lever (12) is monobloc and rigid, with the same geometry in its first position, said open, and in its second position, said closed. Système (200) de double interrupteur comprenant deux borniers (2), caractérisé en ce que - les borniers (2) sont selon l'une des revendications précédentes, - les deux borniers sont montés sur un support (202) avec leurs faces latérales (2C) munies d'au moins un trou d'insertion (10) de câble (C2, C6) à l'opposé l'une de l'autre, - deux leviers (12, 16) appartenant respectivement chacun à un bornier (2) sont montés en vis-à-vis l'un de l'autre - les axes (Y22, Y26) radiaux à l'axe de pivotement (X12, X16) et passant par un point d'intersection (P12) entre l'axe de pivotement et l'axe longitudinal du bras de chacun des deux leviers sont confondus en un axe commun (Y2), - les leviers des deux borniers sont disposés avec leurs zones de préhension (126, 146, 166) au droit de faces latérales (2D) en vis-à-vis des deux borniers, - les zones de préhension (126, 166) des deux leviers en vis-à-vis sont décalées l'une et l'autre le long de l'axe de pivotement (X4) d'un de ces leviers, de part et d'autre de l'axe commun (Y2). System (200) of double switch comprising two terminal blocks (2), characterized in that the terminal blocks (2) are according to one of the preceding claims, the two terminal blocks are mounted on a support (202) with their lateral faces (2C) provided with at least one insertion hole (10) of cable (C2, C6) opposite one another , - Two levers (12, 16) each respectively belonging to a terminal block (2) are mounted vis-à-vis one another the axes (Y22, Y26) radial to the pivot axis (X12, X16) and passing through a point of intersection (P12) between the pivot axis and the longitudinal axis of the arm of each of the two levers are confused in a common axis (Y2), - The levers of the two terminal blocks are arranged with their gripping areas (126, 146, 166) to the right side faces (2D) vis-à-vis the two terminal blocks, - The gripping zones (126, 166) of the two levers vis-à-vis are offset both along the pivot axis (X4) of one of these levers, on both sides. other of the common axis (Y2). Système de double interrupteur selon la revendication 13 caractérisé en ce que les deux borniers (2) sont montés dos à dos et identiques.Double switch system according to claim 13 characterized in that the two terminal blocks (2) are mounted back to back and identical.
EP17189472.8A 2016-09-06 2017-09-05 Electrical connection block and double switch system comprising two such blocks Active EP3291376B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1658261A FR3055746B1 (en) 2016-09-06 2016-09-06 ELECTRICAL CONNECTION TERMINAL AND DOUBLE SWITCH SYSTEM INCLUDING TWO SUCH TERMINALS

Publications (2)

Publication Number Publication Date
EP3291376A1 true EP3291376A1 (en) 2018-03-07
EP3291376B1 EP3291376B1 (en) 2020-09-23

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EP17189472.8A Active EP3291376B1 (en) 2016-09-06 2017-09-05 Electrical connection block and double switch system comprising two such blocks

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EP (1) EP3291376B1 (en)
CN (1) CN107799987B (en)
FR (1) FR3055746B1 (en)

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Publication number Publication date
CN107799987B (en) 2020-12-15
CN107799987A (en) 2018-03-13
FR3055746A1 (en) 2018-03-09
EP3291376B1 (en) 2020-09-23
FR3055746B1 (en) 2021-05-21

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