WO2023011946A1 - Automatic connection terminal comprising two contact zones and associated switchgear mechanism - Google Patents

Automatic connection terminal comprising two contact zones and associated switchgear mechanism Download PDF

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Publication number
WO2023011946A1
WO2023011946A1 PCT/EP2022/070654 EP2022070654W WO2023011946A1 WO 2023011946 A1 WO2023011946 A1 WO 2023011946A1 EP 2022070654 W EP2022070654 W EP 2022070654W WO 2023011946 A1 WO2023011946 A1 WO 2023011946A1
Authority
WO
WIPO (PCT)
Prior art keywords
metal strip
connection terminal
conductive wire
wall
automatic
Prior art date
Application number
PCT/EP2022/070654
Other languages
French (fr)
Inventor
Simon DELMAS
Original Assignee
Legrand France
Legrand Snc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Legrand France, Legrand Snc filed Critical Legrand France
Priority to CN202280054193.1A priority Critical patent/CN117795779A/en
Priority to KR1020247007150A priority patent/KR20240039035A/en
Priority to EP22757243.5A priority patent/EP4381567A1/en
Publication of WO2023011946A1 publication Critical patent/WO2023011946A1/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
    • H01R11/05—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations having different types of direct 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
    • H01R4/4846—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
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
    • H01R11/09—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations being identical
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/76—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall
    • H01R24/78—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall with additional earth or shield contacts
    • 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

Definitions

  • Automatic connection terminal comprising two contact zones and associated electrical equipment mechanism
  • the present invention relates to an automatic connection terminal for an electrical equipment mechanism.
  • It also relates to an electrical equipment mechanism provided with such an automatic connection terminal.
  • connection terminals have, for the most part, a corridor for inserting and guiding the conductive wire into the connection terminal, which extends over the entire length of the bare part of the conductive wire. This insertion and guiding channel ensures good maintenance of the conductive thread. This is of particular interest, for example, when the connection terminal is moved or manipulated after insertion of the conductive wire into the connection terminal.
  • connection terminals have a large size, in particular linked to the presence of the passage for inserting and guiding the conductive wire.
  • connection terminals Furthermore, in these already known connection terminals, the conductive wire is in contact with the metal element of the connection terminal along the insertion channel, over a contact zone which is not precisely delimited.
  • the present invention proposes an automatic connection terminal allowing, on the one hand, a reduction in the size of the connection terminal and, on the other hand, the control of the contact points between the conductive element of the terminal and the conductive wire inserted in the connection terminal.
  • an automatic connection terminal comprising a metal strip comprising two parts connected by a bridge and a leaf spring which extends parallel to a first of said two parts of the metal strip and in line with the bridge, an opening being arranged at the level of the bridge so as to allow a conductive wire to pass through an insertion site, part of which is located between the leaf spring and a second of said two parts of the metal strip, said second part of the metal strip forming a boss at the top of which there is a first zone of electrical contact between the metal strip and the conductive wire against which said leaf spring is adapted to clamp said conductive wire when the latter is introduced through said opening in the connection terminal, in which said metal strip forms, facing said second part of the metal strip, a wall which extends at least partially ment in the place of insertion of the conductive thread, so as to provide a second electrical contact area between the metal strip and the conductive wire, distinct from the first contact area.
  • connection terminal in the connection terminal according to the invention, the two distinct contact zones are located over a limited area.
  • the stripped metal core of the conductive wire inserted in the automatic terminal necessarily comes into electrical contact, on the one hand, with the first contact zone against which it is clamped by the spring blade, and, on the other hand, with the second contact zone which belongs to the wall of the metal strip which extends at least partially into the place of insertion of the conductive wire.
  • a quality electrical connection is thus ensured between the conductive wire and the metal strip of the connection terminal.
  • connection terminal in the connection terminal according to the invention, the two contact zones of the metal strip provide two current flow paths in the connection terminal, which limits overall heating of the latter during the passage of a Electric power.
  • connection terminal with, on the one hand, the metal strip provided with two parts connected by a bridge and, on the other hand, the leaf spring which extends parallel to a first of said two parts of the metal strip and in line with the bridge in the rest position, makes it possible to limit the size of this terminal.
  • connection terminal according to the invention thus ensures the quality of the electrical connection while having a limited bulk.
  • said metal strip has an end portion to which said wall is attached;
  • said metal strip has a main part, generally elongated along a longitudinal axis, which integrates the first and second parts connected by the bridge, and said end part has an angled shape, one side of which forms an acute angle with the axis longitudinal of said main part;
  • said wall extends opposite said boss, in line with it or in a zone close to the zone located in line with said boss;
  • said wall is movable between a rest position and an active position, the hinge permanently biasing said wall into the rest position, and, in the rest position, said wall extends at least partially into the place of insertion of the conductive wire while, in the active position, said wall moves away from said rest position to allow the conductive wire to pass while exerting on it a stress in the direction of the second part of said metal strip;
  • - Said metal strip comprises, at one of its ends, a socket for receiving a pin of an electrical plug
  • each of said walls formed by said metal strip is connected to a partition which separates the places of insertion of the two conducting wires;
  • connection terminal there is provided, at the part of the edge of each opening closest to the other opening, a tab which extends substantially perpendicularly to said metal strip, towards the inside of the connection terminal.
  • the invention also relates to an electrical equipment mechanism comprising at least one automatic connection terminal as described previously.
  • the invention relates to such an electrical equipment mechanism comprising a base provided with a pair of insertion ducts giving access to the two openings of said connection terminal, each insertion duct comprising, on an internal face, a rib which extends towards the inside of the insertion duct, the rib of each insertion duct and the tongue of the opening associated with this insertion duct being arranged on either side of the axis longitudinal of this duct and in the plane containing the two longitudinal axes of the two insertion ducts.
  • FIG. 1 is a schematic front perspective view of a first variant of a first embodiment of a connection terminal according to the invention
  • - Figure 2 is a schematic side view of the connection terminal of Figure 1
  • Figure 3 is a schematic rear perspective view of the connection terminal of Figure 1,
  • FIG. 4 is a schematic front perspective view of the connection terminal of Figure 1, in which the stripped end of an electrical conductor wire is inserted,
  • FIG. 5 is a schematic rear perspective view of the connection terminal of Figure 1, in which the stripped end of an electrical conductor wire is inserted,
  • Figure 6 is a schematic top view of Figure 4,
  • Figure 7 is a schematic sectional view along the plane AA of Figure 6,
  • FIG. 8 is a schematic front perspective view of a second embodiment of a connection terminal according to the invention.
  • Figure 9 is a schematic side view of the connection terminal of Figure 8,
  • FIG. 10 is a schematic rear perspective view of the connection terminal of Figure 8.
  • FIG. 11 is a schematic front perspective view of the connection terminal of Figure 8, in which the stripped end of an electrical conductor wire is inserted,
  • FIG. 12 is a schematic rear perspective view of the connection terminal of Figure 8, in which the stripped end of an electrical conductor wire is inserted,
  • Figure 13 is a schematic top view of Figure 11,
  • FIG. 14 is a schematic sectional view along the plane BB of Figure 13,
  • FIG. 15 is a schematic front perspective view of a third embodiment of a connection terminal according to the invention.
  • Figure 16 is a schematic side view of the connection terminal of Figure 15,
  • Figure 17 is a schematic rear perspective view of the connection terminal of Figure 15,
  • FIG. 18 is a schematic front perspective view of the connection terminal of Figure 15, in which the stripped end of an electrical conductor wire is inserted,
  • FIG. 19 is a schematic rear perspective view of the connection terminal of Figure 15, in which the stripped end of an electrical conductor wire is inserted,
  • Figure 20 is a schematic top view of Figure 18,
  • FIG. 21 is a schematic sectional view along the plane CC of Figure 20
  • - Figure 22 is a schematic front perspective view of a second variant of the first embodiment of Figure 1, shown without the leaf spring,
  • FIG. 23 is a schematic rear perspective view of a base of an electrical equipment mechanism adapted to receive the terminal of Figure 22,
  • FIG. 24 is a schematic sectional view along the plane DD of Figure 23 of the base of Figure 23 with the terminal of Figure 22, when a conductive wire is introduced into one of the openings of this terminal.
  • connection terminal By convention, the term “rear” will designate the side of the connection terminal by which the stripped end of an electrical conductor wire is inserted into the connection terminal, while the term “front” will designate the opposite side of this connection terminal, facing the inside of the electrical equipment.
  • connection terminal 100 In FIGS. 1 to 22, three embodiments of a connection terminal 100 have been shown; 200; 300 according to the invention.
  • connection terminal 100 Two variants of the first embodiment of the connection terminal 100 are represented respectively in FIGS. 1 to 7, on the one hand, and 22 and 24, on the other hand.
  • the identical elements of these two variants are designated by the same references and will only be described once.
  • connection terminal 100; 200; 300 is intended to be integrated into an electrical equipment mechanism according to the invention, for example into a socket or switch mechanism. It can be a ground terminal 100 or a phase terminal 200; 300.
  • a connection terminal 100 according to the invention is shown in a socket mechanism.
  • connection terminal 100; 200; 300 authorizes the transport of electric current between at least one conductive wire 1 from the electrical network, and a connection element of the connection terminal 100; 200; 300 (figures 4, 5, 7, 11, 12, 13, 14, 18, 19, 20, 21 and 22).
  • connection element is for example a ground pin 101 or a contact grain 301, as represented for example in FIGS. 1 to 7 and 15 to 22.
  • the connection element can also be a reception cell 201 (figures 8 to 14), adapted to receive a connection pin of an electrical plug of any electrical device.
  • connection terminal 100; 200; 300 comprises a conductive body formed by a metal strip 110; 210; 310.
  • the conductive body is made of a material having satisfactory electrical conductivity characteristics to conduct the electric current between the connection element and the electric wire.
  • a conductive metal for example copper or an alloy containing copper.
  • the conductive body is formed from a folded metal strip.
  • the connection element can be separate from the conductive body and attached thereto, as will be described in more detail later in the first and third embodiments.
  • the conductive body and the connection element can also be made in one piece, as is the case in the second embodiment.
  • the metal strip 110; 210; 310 forming the conductive body has a generally elongated shape, folded around several mutually parallel transverse axes ( Figures 1, 2, 8, 9, 15,16 and 22).
  • the metal strip 110; 210; 310 is delimited by two main faces 110A, 110B; 210A, 210B; 310A, 310B (FIGS. 7, 14, 21 and 22) opposed parallel.
  • a rear main face 110A; 210A; 310A is oriented towards the installer: this is the face on the side of which the stripped end of the conductive wire 1 is introduced into the connection terminal 100; 200; 300.
  • the other main front face 110B; 210B, 310B corresponds to the face on the side of which the stripped end of the conductive wire 1 emerges inside the connection terminal 100; 200; 300.
  • the main faces 110A, 110B; 210A, 210B; 310A, 310B are connected by longitudinal edges HOC; 210C; 310C and 110D end edges; 210D; 310D (figures 1, 8, 15 and 22).
  • the metal strip 110; 210; 310 comprises a main part PPI; PP2; PP3 which extends globally along a longitudinal axis XI; X2; X3 (figures 7, 14, 21 and 22).
  • This main part PP1; PP2; PP3 of metal strip 110; 210; 310 comprises a first and a second part 111, 112; 211, 212; 311, 312 of the metal strip 110; 210; 310 connected by a bridge 113; 213; 313 (see in particular figures 2, 7, 9, 14, 16,21 and 22).
  • the metal strip 110; 210; 310 further comprises two end portions PCI, PLI; PC2, PL2; PC3, PL3 located on either side of the main part PPI; PP2; PP3.
  • one of the two end parts forms a PCI connection part; PC2; PC3 which accommodates said connection element of the connection terminal 100; 200; 300 and the other end portion is a PLI free end portion; PL2; PL3.
  • the first 111; 211; 311 of the two parts 111, 112; 211; 212; 311, 312 of the main part PP1; PP2; PP3 of metal strip 110; 210; 310 is substantially planar and extends along a median plane comprising the longitudinal axis XI; X2; X3.
  • Bridge 113; 213; 313 has an at least partially curved shape. It rises from the first part 111; 211; 311 of the PPI main part; PP2; PP3 of the metal strip, on a rear side of the median plane of this first part 111; 211; 311, then joins the second part 112; 212; 312 of the PPI main part; PP2; PP3 of the metal strip at the level of the median plane or at the front of this median plane.
  • bridge 113; 213; 313 forms a first bump, the concavity of which faces the inside of the connection terminal 110; 210; 310. It joins the second part 112; 212; 312 of the PPI main part; PP2; PP3 of the metal strip at the level of a second bump, the concavity of which faces away from the first bump and against which electrical contact is intended to be established between the stripped core of the electrical conductor wire 1 and the strip metallic 110; 210; 310, as described in more detail below.
  • the profile of the metal strip 110; 210; 310 thus draws a generally S-shape at the level of the bridge 113; 213; 313 (figures 2, 9, 16 and 22).
  • An opening 114; 214; 314 is made in the metal strip 110; 210; 310 at deck 113; 213; 313 so as to allow the stripped end of the conductive wire 1 to pass (see in particular FIGS. 3, 10, 17, 22 and 24). It is arranged in the portion of the bridge 113; 213; 313 adjacent to the first part 111; 211; 311 of the main PP part; PP2; PP3 of metal strip 110; 210; 310.
  • the stripped core of the conductive wire 1 is introduced into the opening 114; 214; 314 along an insertion axis 11; 12; 13 inclined with respect to the longitudinal axis XI; X2; X3 of metal strip 110; 210; 310 and therefore inclined with respect to the median plane of the first part 111; 211; 311 of the PPI main part; PP2; PP3 of metal strip.
  • connection terminal 100; 200; 300 is adapted to receive the stripped ends of two conductive wires 1.
  • the stripped ends of the two conductive wires 1 are adapted to be inserted parallel into the connection terminal.
  • two separate openings arranged side by side across the width of the metal strip 110 are provided; 210; 310.
  • connection terminal 100; 200; 300 further comprises a leaf spring 120; 220; 320 (not shown in Figure 22).
  • This spring blade 120; 220; 320 is deformable between two configurations: a rest configuration, in which it is unconstrained and therefore undeformed (figures 1, 2, 3, 8, 9, 10, 15, 16 and 17), and a tightening configuration, in which it is elastically deformed by the passage of the stripped end of each conductive wire 1 (FIGS. 4 to 7, 11 to 14 and 18 to 21).
  • the leaf spring 120; 220; 320 In its clamping configuration, the leaf spring 120; 220; 320 is permanently recalled to its idle configuration. In doing so, it clamps the stripped end of the conductive wire 1 against the front face 110B; 210B; 310B of the metal strip 110; 210; 310 (figures 4 to 7, 11 to 14 and 18 to 21).
  • the spring blade 120; 220; 320 is formed in one piece.
  • This wafer is generally rectangular. It is delimited by two longitudinal edges and two transverse end edges 121A, 126A; 221A, 226A; 321A, 326A (Figs. 1, 8, 13, 15).
  • One of the transverse end edges 121A; 221A; 321A defines a two-tooth fork and the other transverse end edge 126A; 226A; 326A is right.
  • the leaf spring 120; 220; 320 includes a fixed portion 121; 221; 321 which extends against the front face 110B; 210B; 310B of the metal strip 110; 210; 310, at the level of the first part 111; 211; 311 of the PPI main part; PP2; PP3 of metal strip 110; 210; 310, and a movable portion 126; 226; 326 which extends the fixed portion 121; 221; 321 and extends mainly to the right of bridge 113; 213; 313.
  • This spring blade 120; 220; 320 thus extends parallel to the first part 111; 211; 311 of the PPI main part; PP2; PP3 of metal strip 110; 210; 310 and to the right of bridge 113; 213; 313 ( Figures 1, 2, 8, 9, 15, and 16), along the longitudinal axis XI; X2; X3 of metal strip.
  • the fixed portion 121; 221, 321 of the leaf spring 120, 220, 320 is held in place against the first part 111; 211; 311 of the PPI main part; PP2; PP3 of metal strip 110; 210; 310 by two side tabs 115; 215; 315 of connection terminal 100; 200; 300 (FIGS. 1 to 5, 7 and 8 to 22) which extend from the longitudinal edges HOC; 210C; 310C of the metal strip 110; 210; 310, at the level of the first part 111; 211; 311 of its main part PP1; PP2; PP3.
  • These side legs 115; 215; 315 are folded towards each other opposite said metal strip, on the leaf spring 120; 220; 320.
  • the spring blade 120; 220; 320 can for example be riveted to these side tabs 115; 215; 315, or may include openings suitable for hooking around the pins of these side tabs 115; 215; 315.
  • the movable portion 126; 226; 326 of leaf spring 120; 220; 320 is located at the free end of the leaf spring 120; 220; 320. It is adapted to be bent by inserting the stripped core of the conductive wire 1 into the connection terminal.
  • the movable portion 126; 226; 326 of leaf spring 120; 220; 320 is for example connected to the fixed portion 121; 221; 321 of leaf spring 120; 220; 320 by an elastic hinge 127; 227; 327 ( Figures 4, 11 and 18) which allows the deflection of this movable portion 126; 226; 326 while tending to bring it back to its resting position.
  • the spring blade 120; 220; 320 In the rest configuration (FIGS. 1, 2, 3, 8, 9, 10, 15, 16, 17), the spring blade 120; 220; 320 is completely flat, the fixed and mobile portions being aligned.
  • the transverse end edge 126A; 226A; 326A belonging to the mobile portion 126; 226; 326 of leaf spring 120; 220; 320 is then located very close to the second part 112; 212; 312 of the PPI main part; PP2; PP3 of metal strip 110; 210; 310. It extends a few tenths of a millimeter from this second part 112; 212; 312 of the PPI main part; PP2; PP3 of metal strip 110; 210; 310.
  • the movable portion 126; 226; 326 flexes at the elastic hinge 127; 227; 327 so that it deviates from the metal strip 110; 210; 310 to allow the stripped core of conductive wire 1 to pass.
  • connection terminal 100; 200. 300 being adapted to receive the stripped core of two separate conducting wires 1.
  • the movable portion 126; 226; 326 of leaf spring 120; 220; 320 is divided into two branches 123, 124; 223, 224; 323; 324 symmetrical (figures 1, 4, 8, 11, 13, 15, 18 and 20), adapted to be deformed or moved independently of each other to allow one or two conductive wires 1 to pass.
  • the two branches 123, 124; 223, 224, 323, 324 are separated by a longitudinal slot 122; 222; 322 which extends from the transverse end edge 126A; 226A; 326A of the movable portion 126; 226; 326 of leaf spring 120; 220; 320 to the middle of the fixed portion 121; 221; 321 of leaf spring 120; 220; 320.
  • Each of these branches 123, 124; 223, 224; 323, 324 extends in line with one of the openings 114; 214; 314 from bridge 113; 213; 313 of the metal strip 110; 210; 310 (figures 1, 8 and 15).
  • each branch 123, 124; 223, 224; 323, 324 comprises a mobile part connected to a fixed part by a zone allowing the selective deformation of the mobile part of one of the two branches independently of the other branch when a single conductive wire is inserted into the openings 114; 214; 314 of the metal strip ( Figures 4, 11 and 18).
  • each branch 123, 124; 223, 224; 323, 324 is connected to the fixed part of this branch by the elastic hinge 127; 227; 327.
  • Each branch 123, 124; 223, 224; 323, 324 of the leaf spring 120; 220; 320 is thus adapted to clamp only one of the two conductive wires 1 inserted into the connection terminal.
  • the movable portion 126; 226; 326 of leaf spring 120; 220; 320 is further provided with a central tab 125; 225; 325 guide ( Figures 1, 8 and 15).
  • This central tab extends along the longitudinal axis of the leaf spring, projecting from the transverse end edge 126A; 226A; 326A of leaf spring 120; 220; 320.
  • the central tongue 125; 225; 325 is separated by said longitudinal slot 122; 222; 322 in two parts each belonging to one of the branches of the leaf spring 120; 220; 320.
  • the central tab 125; 225; 325 is accommodated in a groove 116; 216; 316 of the metal strip 110; 210; 310 (figures 1, 8 and 15).
  • This central tongue forms a slider which slides in the groove to guide the leaf spring 120; 220; 320 when it passes from its rest configuration to its tightening configuration and vice versa.
  • the groove 116; 216; 316 is a longitudinal groove, which extends in the middle of the metal strip 110; 210; 310, at part of the bridge 113; 213; 313 and the second part 112; 212; 312 of the PPI main part; PP2; PP3 of metal strip 110; 210; 310.
  • the spring blade material 120; 220; 320 has satisfactory rigidity characteristics to play the role of clamping the electric wire. It is not necessary for it to be made of a conductive material, which makes it possible to limit the quantity of conductive material used to manufacture the connection element according to the invention.
  • the leaf spring is for example made of steel, in particular of stainless steel.
  • Each opening 114; 214; 314 provided at the level of bridge 113; 213; 313 allows the stripped end of the conductive wire 1 to pass along the insertion axis 11; 12; 13 ( Figures 7, 14, 21) in an insertion site L1; L2; L3, part of which is located between the leaf spring 120; 220; 320 and the metal strip 110; 210; 310 (figures 4, 5, 7, 11, 12, 14, 18, 19 and 21).
  • the insertion of the stripped core of the conductive wire is carried out in an insertion direction along the insertion axis 11; 12; 13, materialized by an arrow on the insertion axis of Figures 4, 5, 7, 11, 12, 14, 18, 19 and 21. This direction of insertion is oriented from the back to the front with the conventions of this description.
  • each place of insertion L1; L2; L3 is partially located between one of the branches 123; 124; 223, 224; 323, 324 of the leaf spring 120; 220; 320 deformed in its clamping configuration and the second part 112; 212; 312 of the PPI main part; PP2; PP3 of metal strip 110; 210; 310.
  • boss 112A; 212A; 312A at the top of which is a first zone electrical contact ZI; Z2; Z3 between the metal strip 110; 210; 310 and the stripped end of the conductive wire 1, against which said spring blade 120; 220; 320 is adapted to clamp said stripped end of the conductive wire 1 when the latter is introduced into the connection terminal 100; 200; 300.
  • This boss 112A; 212A; 312A corresponds to the second bump of the metal strip 110; 210; 310, which extends in the extension of the first bump formed by the bridge 113; 213, 313.
  • Boss 112A; 212A; 312A is formed by bending the metal strip 110; 210; 310 around one of the transverse axes along which the metal strip is folded.
  • the metal strip 110; 210; 310 moves away from said insertion site L1; L2; L3 of the conductive wire 1 on either side of said boss 112A; 212A; 312A. In other words, it moves away from said place of insertion L1; L2; L3 of conductive wire 1 on either side of the first contact zone.
  • the contact zone ZI; Z2; Z3 has a precisely defined limited extent. This allows controlled, repeatable and reliable contact between the conductive wire and the connection terminal 100; 200; 300.
  • said boss 112A; 212A; 312A is located close to the transverse end edge 126A; 226A; 326A of the movable portion 126; 226; 326 of leaf spring 120; 220; 320 in its rest position.
  • said metal strip 110; 210; 310 form, facing said second part 112; 212; 312 of the PPI main part; PP2; PP3 of the metal strip, a wall 130; 230; 330 which extends at least partially into the L1 insertion site; L2; L3 of conductive thread 1, so as to provide a second zone Z3; Z4; Z5 of electrical contact between the metal strip 110; 210; 310 and the conductive wire 1, distinct from the first contact zone ZI; Z2; Z3 (figures 7, 14, 21 and 22).
  • Said wall 130; 230; 330 extends opposite the boss 112A; 212A; 312A formed by the second part 112; 212; 312 of the connecting strip 110; 210; 310, in line with it or in a zone close to the zone located in line with said boss 112A; 212A; 312A.
  • the position of said wall 130; 230; 330 is offset from the position of the boss 112A; 212A; 312A along the insertion axis 11; 12; 13 of the conductive wire 1, the offset being downstream along the direction of insertion of the conductive wire 1 into the connection terminal.
  • connection terminal 100; 200; 300 being adapted to receive two conducting wires 1, the metal strip 110; 210; 310 forms two walls 130; 230; 330, each arranged to extend at least partially in one of the two insertion sites L1; L2; L3 of the conducting wires 1 (FIGS. 7, 14 and 21).
  • each wall 130; 230; 330 is connected to the metal strip 110; 210; 310 by a resilient hinge portion 132; 232; 332 (figures 1, 3, 13, 15, 20 and 22).
  • Said wall 130; 230; 330 is thus movable between a rest position and an active position, the elastic hinge 132; 232; 332 permanently recalling said wall 130; 230; 330 to its rest position.
  • said wall 130; 230; 330 In the rest position, said wall 130; 230; 330 extends at least partially into the L1 insertion site; L2; L3 of the conductive wire 1 and in the active position, the wall 130; 230; 330 deviates from said rest position to allow the stripped core of the conductive wire 1 to pass while exerting on it a stress in the direction of the second part 112; 212; 312 of the PPI main part; PP2; PP3 of said metal strip.
  • connection terminal 100; 200; 300 shown in the appended figures differ by the geometry of their conductive body, by the shape and the type of the connection element belonging to it.
  • said wall 130; 230 is attached to one of the end portions of the metal strip 110; 210.
  • connection terminal 100 In the first embodiment of the connection terminal 100 (figures 1 to 7 and 22), the wall 130 is attached to the PCI connection part of the metal strip 110.
  • This PCI connection part has an angled shape, here at a right angle, one side of which constitutes a platform which overhangs said main part PP1 of the metal strip 110, and the other side connects said platform to the second part 112 of the main part PP1 of the metal strip 110.
  • the platform forms an acute angle with the longitudinal axis XI of said main part PP1 of the metal strip 110.
  • This platform includes an opening in which the ground pin 101 is crimped.
  • the transverse end edge of the platform constitutes one of the end edges 110D of the metal strip 110 (FIGS. 1 and 22).
  • the metal strip 110 comprises two drooping walls 131 which extend, from the two longitudinal edges HOC of the platform, perpendicular to the latter, in the direction of the main part PP1 of the metal strip 110 (FIGS. 1 to 3 and 22).
  • Each drop wall 131 has an L-shape, a first branch of which is attached to the corresponding longitudinal edge HOC of the metal strip 110 and a second branch of which extends towards the second part 112 of the main part PP1 of the metal strip 110.
  • the two drooping walls 131 are parallel to each other.
  • There is provided at the end of each second branch a return directed towards the other second branch, that is to say towards the inside of the connection terminal 100. This return constitutes said wall 130.
  • Each wall 130 is connected to the corresponding falling wall 131 by an elastic hinge
  • Each elastic hinge 132 extends in a longitudinal direction inclined with respect to the axis of insertion 11 of the conductive wire 1.
  • Each wall 130 also extends in an inclined manner with respect to the axis of insertion 11 of the conductive wire 1. It extends so as to approach the insertion axis 11 in the direction of insertion of the conductive wire 1 (FIG. 7), such that an edge of this wall 130 is extends in the place of insertion L1 of the conductive wire 1 in the absence of conductive wire inserted in the connection terminal.
  • Each wall 130 is extended by a partition 133 (FIGS. 1 to 3) which extends so as to circumvent the place of insertion L1 of the conductive wire 1.
  • the two partitions 133 attached to the two walls 130 thus extend back to back between the places of insertion L1 of the two conductive wires 1. They separate the places of insertion L1 of the two conductive wires 1 and prevent the stripped end of the conductive wire 1 inserted one of the places of insertion L1 from moving laterally to the other place of insertion L1 of the connection terminal 100.
  • each opening 114 follows the profile of the metal strip 110 at the level of the corresponding part of the bridge 113.
  • the opening 114 is thus delimited internally by the edge of the metal strip 110.
  • the metal strip 110 comprises, at the level of each opening 114, a tongue 117 which extends from the edge of the metal strip 110, perpendicular to the part of the metal strip 110 surrounding the opening 114, towards the inside of the connection terminal 100.
  • Each tab 117 extends from the part of the outline of the opening 114 closest to the longitudinal axis XI, that is to say the closest to the other opening 114.
  • This tongue 117 forms a stop limiting the angular range authorized for the direction of insertion II of the conductive wire 1.
  • the angle formed between the direction of insertion 11 and a plane perpendicular to said median plane passing through the longitudinal axis XI is by example limited to about 8 to 10 degrees.
  • this second variant of the first embodiment of the connection terminal can advantageously be associated with an insulating base having a specific shape in order to limit even more effectively the angular range authorized for the direction of insertion Il of the common thread 1.
  • connection terminal 200 In the second embodiment of the connection terminal 200 ( Figures 8 to 14), the wall 230 is attached to the free end part PL2 of the metal strip 210.
  • This free end part PL2 of the metal strip 210 has a folded shape facing the second part 212 of the main part PP2 of the metal strip 210. It has an angled shape here having an L profile, with a first branch 218 connected to the second part 212 of the main part PP2 of the metal strip and a second branch 219 (FIGS. 8 and 9) extending at right angles from the first branch 218. These first and second branches 218, 219 have a reduced width compared to the width of the rest of the metal strip 210.
  • the second branch 219 forms an acute angle with the longitudinal axis X2 of said main part PP2 of the metal strip 210.
  • the transverse end edge of the second branch 219 constitutes one of the end edges 210D of the metal strip 210 (FIG. 8).
  • two drooping walls 231 extend, from the two longitudinal edges 210C of the second branch 219 of the free end part PL2 of the metal strip 210, perpendicular to said second branch 219, in the direction of the main part PP2 of the metal strip 210 (FIGS. 9 and 10).
  • Each wall 230 is connected to one of the drooping walls 231 by an elastic hinge 232 and extends outward from the connection terminal 200. There are therefore two walls 230 extending in opposite directions from the drooping walls 231.
  • Each elastic hinge 232 extends in a direction inclined with respect to the axis of insertion 12 of the conductive wire 1, and each wall 230 also extends in an inclined manner with respect to the axis of insertion 12 of the conductive wire 1.
  • Each wall 230 extends more precisely so as to approach the insertion axis 12 in the direction of insertion of the conductive wire 1 (FIG.
  • the drooping walls 231 play the role of the partitions 133 of the first embodiment because they extend between the places L2 of insertion of the two conductive wires 1 that the connection terminal 200 is adapted to receive. They thus separate the L2 insertion sites of the two conductive wires and prevent the stripped end of the conductive wire 1 inserted into one of the L2 insertion sites from moving laterally towards the other L2 insertion site of the connection terminal. 200.
  • connection part PC2 is attached to the first part 211 of the main part PP2 of the metal strip 110.
  • This connection part PC2 comprises the connection element which has just been formed with the metal strip 210 and forms a connection cell 201.
  • This connection element comprises two wings 203 rising facing each other, forwards, from a base 202 connected to the first part 211 of the main part PP2 of the metal strip 210.
  • the two wings 203 each have a curved free end 203A (FIG. 11).
  • These curved free ends 203A together form a clamp which delimits the reception cell. This extends along a receiving axis B (FIG. 11) which is substantially parallel to the axis of insertion 12 of the conductive wire 1.
  • the wings 203 are hinged substantially around an axis perpendicular to the axis of reception B ( Figure 11).
  • connection element 201 advantageously includes an additional element 240 (FIGS. 8 to 14), separate from the metal strip 210, in the shape of a jumper.
  • This additional element 240 comprises a base wall 241 (FIGS. 10, 11 and 12) from which rise two side walls 242 inclined towards each other (FIGS. 10, 11 and 12).
  • the side walls 242 are applied against the external faces of the flanges 203 of the connection element so as to grip them elastically.
  • Each side wall 242 of the additional element 240 comprises a window which receives a relief provided projecting from the corresponding wing 203 of the connection element.
  • connection terminal 300 In the third embodiment of the connection terminal 300 (FIGS. 15 to 21), said wall 330 is attached to the main part PP3 of the metal strip 220; 320.
  • each lateral tab 331 is provided which extend from the longitudinal edges 310C of the metal strip 310, forwards, at the level of the second part 312 of its main part PP3.
  • the free end of each lateral tab 331 is folded over so as to form a return which extends opposite the second part 312 of the main part PP3 of said metal strip 310.
  • Said returns extend one towards the another and constitute said walls 330 (figure 16).
  • Each wall 330 is connected to the corresponding side tab 331 by an elastic hinge 332.
  • Each wall 330 extends in an inclined manner with respect to the axis of insertion 13 of the conductive wire 1. It extends so as to approach the axis of insertion 13 in the direction of insertion of the wire conductor 1 (FIG. 16), such that an edge of this wall 330 extends into the place of insertion L3 of the conductor wire 1 in the absence of a conductor wire inserted into the connection terminal.
  • connection part PC3 of the connection terminal 300 comprises a platform 318 attached to the second part 312 of the main part PP3 of the metal strip 310.
  • This platform 318 forms a slightly obtuse angle with the longitudinal axis X3 of the main part PP3 of the metal strip 310. It extends rearward, in a direction opposite to that of the side tabs 331.
  • the platform 318 has an opening through which the contact block 301 is crimped.
  • the leaf spring 120; 220; 320 of connection terminal 100; 200; 300 is in its rest configuration, completely flat, and each wall 130; 230; 330 is in its rest position, in which it partially extends into the L1 insertion site; L2; L3 of the corresponding lead wire.
  • the stripped end of the conductive wire 1 pushes the movable portion 126; 226; 326 of leaf spring 120; 220; 320 which extends to the right of the opening 114; 214; 314 of the metal strip 110; 210; 310 corresponding.
  • This mobile portion 126; 226; 326 deforms and goes into its clamping configuration: the conductive wire 1 passes between the leaf spring 120; 220; 320 and the metal strip 110; 210; 310 ( Figures 4, 5, 7, 11, 12, 14, 18, 19 and 21), in the L1 insertion site; L2; L3.
  • the spring blade 120; 220; 320 clamps the stripped core of the conductive wire 1 against the first contact zone ZI; Z2; Z3 of the metal strip 110; 210; 310 located at the top of the boss 112A; 212A; 312A of the second part 112; 212. 312 of the main part PPI; PP2; PP3 of metal strip 110; 210; 310.
  • the spring blade 120; 220; 320 does not block conductive wire 1.
  • the mobile part of the leaf spring flexes and moves away from its rest position to allow conductive wire 1 to pass.
  • the stripped core of the conductive wire 1 When the stripped core of the conductive wire 1 is pushed further along the insertion axis 11; 12; 13, it automatically comes into contact with the wall 130; 230; 330 of the metal strip 110; 210; 310, at the edge of this wall 130; 230; 330 which extends into the L1 insertion site; L2; L3 of the conductive thread 1.
  • This edge of the wall 130; 230; 330 thus forms the second contact zone Z4; Z5; Z6 between conductive wire 1 and metal strip 110; 210; 310. Thanks to the inclination of the wall 130; 230; 330 with respect to the axis of insertion 11; 12; 13 of the conductive wire 1, the second contact zone Z4; Z5; Z6 has a limited range.
  • the conductive thread 1 pushes the wall 130; 230; 330 which is adapted to pivot around the elastic hinge 132; 232; 332.
  • it rubs on the second contact zone Z4; Z5; Z6 and passes it. This makes it possible to optimize the electrical performance of the connection terminal 100; 200; 300.
  • the wall 130; 230; 330 deviates from its rest position and passes into an active position in which it allows the stripped core of the conductive wire 1 to pass into its place of insertion L1; L2; L3 and exerts on it a pressure generally in the direction of the second part 112; 212; 312 of the PPI main part; PP2; PP3 of metal strip 110; 210; 310.
  • the stripped core of the conductive wire 1 completely inserted into the connection terminal 100; 200; 300 is thus in contact with the latter on two separate and distinct contact zones, which have a limited extent. It is in contact with the metal strip only on the two contact zones Z1, Z4; Z2, Z5; Z3, Z6. Furthermore, the extent of each of these two contact zones ZI; Z2; Z3, Z4; Z5; Z6 along the longitudinal axis XI; X2; X3 of metal strip 110; 210; 310 has a reduced size compared to the length of the stripped core of the conductive wire 1.
  • the relative orientation of the wall 130; 230; 330 and the place of insertion Ll; 12; L3 of the conductive wire 1 is such that the force exerted by the wall 130; 230; 330 on the stripped end of the conductive wire 1 at the level of the second contact zone Z4; Z5; Z6 includes a component parallel to the force exerted by the leaf spring 120 on this bare end of the conductive wire 1 at the level of the first contact zone Z1; Z2; Z3.
  • the wall 130; 230; 330 in its active position is substantially parallel to the movable portion 126; 226; 326 of leaf spring 120; 220; 320 in its clamping configuration ( Figures 7, 14 and 21).
  • the pressure exerted by the wall 130; 230; 330 thus reinforces the action of the leaf spring 120; 220; 320 (shown schematically by arrows in Figures 7, 14 and 21).
  • the maintenance of the conductive thread 1 is thus increased.
  • the reliability of the electrical connection is increased.
  • the contact force at the level of the first contact zone is increased, which contributes to the reduction of the contact resistance between the stripped end of the conductive wire 1 and the metal strip of the connection terminal.
  • the heating of the connection terminal is therefore reduced.
  • connection terminal 100; 200; 300 Furthermore, the presence of two contact zones between the stripped core of the conductive wire 1 and the metal strip 110; 210; 310 of connection terminal 100; 200; 300 generates a diversion of electrical current which is routed along two different paths. This derivation makes it possible to limit the overall heating of the connection terminal 100; 200; 300 during the passage of electric current.
  • the two electrical current flow paths in the terminal also advantageously have a non-common part whose length is maximized so that the bypass limits heating.
  • each opening of the terminal connection is provided with a tab extending inwardly of the connection terminal and located close to the longitudinal axis of this terminal, as is the case in the second variant of the first embodiment described above.
  • connection terminals 100; 200; 300 on the insulating base of the fitting mechanism accommodating each terminal can be adapted to cooperate with the tongue provided at the level of the opening of the connection terminal in order to form a counter-stop for the conducting wire 1 when it is inserted into the connection terminal through the socket entry.
  • FIGs 23 and 24 show an example of such a base 410 belonging to a device mechanism 400 of the socket type.
  • Figure 24 shows well 420 of this receptacle.
  • This base 410 has a generally parallelepiped shape, with a bottom 411 and a side wall 415 rising from the bottom 411.
  • a sidewalk 416 extends projecting from the side wall, around the latter, for mounting the base 410 in an electrical equipment box (not shown).
  • the bottom 411 has a rear face 411A and comprises insertion ducts 412 opening, on the one hand, towards the exterior on this rear face 411A of the base 410 and, on the other hand, towards the interior on the two openings 114 of said connection terminal 100 housed in base 410.
  • These insertion conduits 412 thus form the inputs giving access to this connection terminal 100.
  • Each insertion duct 412 extends along a longitudinal axis Y.
  • the longitudinal axes Y of the insertion ducts 412 coincide respectively with the axes of said corresponding openings 114 of the connection terminal 100.
  • Each insertion duct 412 is internally delimited by an internal face 413 of complex shape.
  • This internal face 413 has a generally conical shape such that the section of the insertion duct is reduced from the outside of the base 410 inwards.
  • this internal face 413 comprises a rib 414 which extends towards the inside of the insertion duct 412. In the example represented in FIGS. 23 and 24, it extends parallel to the longitudinal axis Y of the insertion duct 412. This rib 414 guides the conductive wire 1 introduced into said insertion duct 412 towards the longitudinal axis Y of the latter.
  • the insertion ducts 412 are arranged in pairs giving access to the two openings 114 of the same connection terminal 100.
  • the insertion ducts 412 of each pair are arranged side by side.
  • the two ribs 414 are located in a plane containing the longitudinal axes Y of the two insertion ducts 412, so as to be as far apart as possible.
  • Each rib 414 provided in the insertion duct 412 and each tab 117 provided on the edge of the opening 114 of the associated connection terminal 100 are arranged on either side of the longitudinal axis Y of the insertion duct 412 corresponding and in the plane containing the two longitudinal axes Y of the insertion conduits 412 of the base 410, coinciding with the axes of the two openings 114 of the corresponding connection terminal 100.
  • the angular range authorized for the insertion of the conductive wire 1 is limited both by the rib 414 of the base 410 on one side and by the tab 117 of the connection terminal 100 on the other.
  • the direction of insertion 11 of the conductive thread 1 is thus precisely controlled.
  • the maximum angle AM authorized between the direction of insertion 11 and the longitudinal axis Y of the insertion conduit 412 is for example less than 10 degrees, preferably less than 8 degrees (FIG. 24).
  • the present invention is not limited to the embodiments described and shown in the various figures, but those skilled in the art will be able to add any variant to it in accordance with their spirit.

Landscapes

  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Abstract

The invention relates to an automatic connection terminal (100; 200; 300) comprising a metal strip (110; 210; 310) having two portions (111, 112; 211, 212; 311, 312) connected by a bridge (113; 213; 313) and a spring leaf (120; 220; 320) which extends parallel to a first (111; 211; 311) of said two portions of the metal strip and in line with the bridge, an opening (114; 214; 314) being provided at the bridge so as to allow a conductor wire (1) to pass into an insertion location (L1; L2; L3), a portion of which is located between the spring leaf and a second (112; 212; 312) of said two portions of the metal strip, said second portion of the metal strip forming a projection (112A; 212A; 312A) at the top of which is a first electrical contact zone (Z1; Z2; Z3) between the metal strip and the conductor wire, against which contact zone said spring leaf is suitable for clamping said conductor wire when the latter is inserted through said opening into the connection terminal. According to the invention, said metal strip forms, opposite said second portion of the metal strip, a wall (130; 230; 330) which extends at least partially into the insertion location (L1; L2; L3) of the conductor wire, so as to provide a second electrical contact zone (Z4; Z5; Z6) between the metal strip and the conductor wire, which zone is separate from the first contact zone.

Description

Borne de connexion automatique comprenant deux zones de contact et mécanisme d'appareillage électrique associé Automatic connection terminal comprising two contact zones and associated electrical equipment mechanism
La présente invention concerne une borne de connexion automatique pour un mécanisme d'appareillage électrique. The present invention relates to an automatic connection terminal for an electrical equipment mechanism.
Elle concerne également un mécanisme d'appareillage électrique muni d'une telle borne de connexion automatique. It also relates to an electrical equipment mechanism provided with such an automatic connection terminal.
Les bornes de connexion automatiques actuelles possèdent, pour la plupart, un couloir d'insertion et de guidage du fil conducteur dans la borne de connexion, qui s'étend sur toute la longueur de la partie dénudée du fil conducteur. Ce couloir d'insertion et de guidage assure un bon maintien du fil conducteur. Cela est particulièrement intéressant, par exemple, lorsque la borne de connexion est déplacée ou manipulée après insertion du fil conducteur dans la borne de connexion. Current automatic connection terminals have, for the most part, a corridor for inserting and guiding the conductive wire into the connection terminal, which extends over the entire length of the bare part of the conductive wire. This insertion and guiding channel ensures good maintenance of the conductive thread. This is of particular interest, for example, when the connection terminal is moved or manipulated after insertion of the conductive wire into the connection terminal.
Ces bornes de connexion présentent un encombrement important, notamment lié à la présence du couloir d'insertion et de guidage du fil conducteur. These connection terminals have a large size, in particular linked to the presence of the passage for inserting and guiding the conductive wire.
En outre, dans ces bornes de connexion déjà connues, le fil conducteur est en contact avec l'élément métallique de la borne de connexion le long du couloir d'insertion, sur une zone de contact qui n'est pas précisément délimitée. Furthermore, in these already known connection terminals, the conductive wire is in contact with the metal element of the connection terminal along the insertion channel, over a contact zone which is not precisely delimited.
Afin de remédier aux inconvénients de l'état de la technique, la présente invention propose une borne de connexion automatique permettant, d'une part, une réduction de l'encombrement de la borne de connexion et, d'autre part, la maîtrise des points de contact entre l'élément conducteur de la borne et le fil conducteur inséré dans la borne de connexion. In order to overcome the drawbacks of the state of the art, the present invention proposes an automatic connection terminal allowing, on the one hand, a reduction in the size of the connection terminal and, on the other hand, the control of the contact points between the conductive element of the terminal and the conductive wire inserted in the connection terminal.
Plus particulièrement, l'invention propose une borne de connexion automatique comprenant une bande métallique comportant deux parties reliées par un pont et une lame ressort qui s'étend parallèlement à une première desdites deux parties de la bande métallique et au droit du pont, une ouverture étant ménagée au niveau du pont de manière à laisser passer un fil conducteur dans un lieu d'insertion dont une partie est située entre la lame ressort et une deuxième desdites deux parties de la bande métallique, ladite deuxième partie de la bande métallique formant un bossage au sommet duquel se trouve une première zone de contact électrique entre la bande métallique et le fil conducteur contre laquelle ladite lame ressort est adaptée à serrer ledit fil conducteur lorsque celui-ci est introduit au travers de ladite ouverture dans la borne de connexion, dans laquelle ladite bande métallique forme, en regard de ladite deuxième partie de la bande métallique, une paroi qui s'étend au moins partiellement dans le lieu d'insertion du fil conducteur, de manière à fournir une deuxième zone de contact électrique entre la bande métallique et le fil conducteur, distincte de la première zone de contact. More particularly, the invention proposes an automatic connection terminal comprising a metal strip comprising two parts connected by a bridge and a leaf spring which extends parallel to a first of said two parts of the metal strip and in line with the bridge, an opening being arranged at the level of the bridge so as to allow a conductive wire to pass through an insertion site, part of which is located between the leaf spring and a second of said two parts of the metal strip, said second part of the metal strip forming a boss at the top of which there is a first zone of electrical contact between the metal strip and the conductive wire against which said leaf spring is adapted to clamp said conductive wire when the latter is introduced through said opening in the connection terminal, in which said metal strip forms, facing said second part of the metal strip, a wall which extends at least partially ment in the place of insertion of the conductive thread, so as to provide a second electrical contact area between the metal strip and the conductive wire, distinct from the first contact area.
Ainsi, avantageusement, dans la borne de connexion conforme à l'invention, les deux zones de contact distinctes sont localisées sur une étendue limitée. L'âme métallique dénudée du fil conducteur inséré dans la borne automatique entre nécessairement en contact électrique, d'une part, avec la première zone de contact contre laquelle elle est serrée par la lame ressort, et, d'autre part, avec la deuxième zone de contact qui appartient à la paroi de la bande métallique qui s'étend au moins partiellement dans le lieu d'insertion du fil conducteur. Une connexion électrique de qualité est ainsi assurée entre le fil conducteur et la bande métallique de la borne de connexion. Thus, advantageously, in the connection terminal according to the invention, the two distinct contact zones are located over a limited area. The stripped metal core of the conductive wire inserted in the automatic terminal necessarily comes into electrical contact, on the one hand, with the first contact zone against which it is clamped by the spring blade, and, on the other hand, with the second contact zone which belongs to the wall of the metal strip which extends at least partially into the place of insertion of the conductive wire. A quality electrical connection is thus ensured between the conductive wire and the metal strip of the connection terminal.
En outre, dans la borne de connexion selon l'invention, les deux zones de contact de la bande métallique fournissent deux chemins de passage du courant dans la borne de connexion, ce qui limite réchauffement global de celle-ci lors du passage d'un courant électrique. In addition, in the connection terminal according to the invention, the two contact zones of the metal strip provide two current flow paths in the connection terminal, which limits overall heating of the latter during the passage of a Electric power.
La configuration de la borne de connexion conforme à l'invention, avec, d'une part, la bande métallique munie de deux parties reliées par un pont et, d'autre part, la lame ressort qui s'étend parallèlement à une première desdites deux parties de la bande métallique et au droit du pont dans la position de repos, permet de limiter l'encombrement de cette borne. The configuration of the connection terminal according to the invention, with, on the one hand, the metal strip provided with two parts connected by a bridge and, on the other hand, the leaf spring which extends parallel to a first of said two parts of the metal strip and in line with the bridge in the rest position, makes it possible to limit the size of this terminal.
La borne de connexion selon l'invention assure ainsi la qualité de la connexion électrique tout en présentant un encombrement limité. The connection terminal according to the invention thus ensures the quality of the electrical connection while having a limited bulk.
D'autres caractéristiques non limitatives et avantageuses de la borne électrique conforme à l'invention, prises individuellement ou selon toutes les combinaisons techniquement possibles, sont les suivantes : Other non-limiting and advantageous characteristics of the electrical terminal in accordance with the invention, taken individually or according to all the technically possible combinations, are the following:
- ledit bossage est situé à proximité d'une portion mobile de la lame ressort dans sa position de repos ;- Said boss is located close to a movable portion of the leaf spring in its rest position;
- ladite bande métallique comporte une partie d'extrémité à laquelle est attachée ladite paroi ;- said metal strip has an end portion to which said wall is attached;
- ladite bande métallique présente une partie principale, globalement allongée selon un axe longitudinal, qui intègre les première et deuxième parties reliées par le pont, et ladite partie d'extrémité présente une forme en angle dont un côté forme un angle aigu avec l'axe longitudinal de ladite partie principale ; - said metal strip has a main part, generally elongated along a longitudinal axis, which integrates the first and second parts connected by the bridge, and said end part has an angled shape, one side of which forms an acute angle with the axis longitudinal of said main part;
- ladite paroi est attachée à un bord latéral longitudinal de la bande métallique ; - Said wall is attached to a longitudinal side edge of the metal strip;
- ladite paroi s'étend en face dudit bossage, au droit de celui-ci ou dans une zone proche de la zone située au droit dudit bossage ; - said wall extends opposite said boss, in line with it or in a zone close to the zone located in line with said boss;
- la position de ladite paroi est décalée par rapport à la position du bossage selon la direction d'insertion du fil conducteur, le décalage étant vers l'aval suivant le sens d'insertion du fil conducteur dans la borne de connexion ; - ladite paroi est reliée à la partie correspondante de la bande métallique par une charnière élastique ;- The position of said wall is offset from the position of the boss along the direction of insertion of the conductive wire, the offset being downstream along the direction of insertion of the conductive wire into the connection terminal; - Said wall is connected to the corresponding part of the metal strip by an elastic hinge;
- ladite paroi est mobile entre une position de repos et une position active, la charnière rappelant en permanence ladite paroi dans la position de repos, et, dans la position repos, ladite paroi s'étend au moins partiellement dans le lieu d'insertion du fil conducteur tandis que, dans la position active, ladite paroi s'écarte de ladite position de repos pour laisse passer le fil conducteur tout en exerçant sur lui une contrainte en direction de la deuxième partie de ladite bande métallique ; - said wall is movable between a rest position and an active position, the hinge permanently biasing said wall into the rest position, and, in the rest position, said wall extends at least partially into the place of insertion of the conductive wire while, in the active position, said wall moves away from said rest position to allow the conductive wire to pass while exerting on it a stress in the direction of the second part of said metal strip;
- ladite bande métallique comporte, à l'une de ses extrémités, un alvéole de réception d'une broche d'une fiche électrique ; - Said metal strip comprises, at one of its ends, a socket for receiving a pin of an electrical plug;
- une broche de terre est sertie à ladite bande métallique ; - a ground pin is crimped to said metal strip;
- il est prévu une autre ouverture ménagée au niveau du pont de manière à laisser passer un autre fil conducteur dans un autre lieu d'insertion dont une partie est située entre la lame ressort et la deuxième partie de la bande métallique, ladite lame ressort étant adaptée à serrer contre ledit bossage cet autre fil conducteur lorsque celui-ci est introduit dans la borne de connexion, ladite bande métallique formant, en regard de ladite deuxième partie de la bande métallique, une autre paroi qui s'étend au moins partiellement dans l'autre lieu d'insertion de l'autre fil conducteur ; - there is another opening made at the level of the bridge so as to allow another conductive wire to pass into another place of insertion, part of which is located between the leaf spring and the second part of the metal strip, said leaf spring being adapted to clamp this other conductive wire against said boss when the latter is introduced into the connection terminal, said metal strip forming, facing said second part of the metal strip, another wall which extends at least partially in the other place of insertion of the other conductive thread;
- chacune desdites parois formées par ladite bande métallique est reliée à une cloison qui sépare les lieux d'insertion des deux fils conducteurs ; - each of said walls formed by said metal strip is connected to a partition which separates the places of insertion of the two conducting wires;
- il est prévu, au niveau de la partie du bord de chaque ouverture la plus proche de l'autre ouverture, une languette qui s'étend sensiblement perpendiculairement à ladite bande métallique, vers l'intérieur de la borne de connexion. - There is provided, at the part of the edge of each opening closest to the other opening, a tab which extends substantially perpendicularly to said metal strip, towards the inside of the connection terminal.
L'invention concerne également un mécanisme d'appareillage électrique comportant au moins une borne de connexion automatique telle que décrite précédemment. The invention also relates to an electrical equipment mechanism comprising at least one automatic connection terminal as described previously.
En particulier, l'invention concerne un tel mécanisme d'appareillage électrique comportant un socle muni d'une paire de conduits d'insertion donnant accès aux deux ouvertures de ladite borne de connexion, chaque conduit d'insertion comportant, sur une face interne, une nervure qui s'étend vers l'intérieur du conduit d'insertion, la nervure de chaque conduit d'insertion et la languette de l'ouverture associée à ce conduit d'insertion étant disposées de part et d'autre de l'axe longitudinal de ce conduit et dans le plan contenant les deux axes longitudinaux des deux conduits d'insertion.In particular, the invention relates to such an electrical equipment mechanism comprising a base provided with a pair of insertion ducts giving access to the two openings of said connection terminal, each insertion duct comprising, on an internal face, a rib which extends towards the inside of the insertion duct, the rib of each insertion duct and the tongue of the opening associated with this insertion duct being arranged on either side of the axis longitudinal of this duct and in the plane containing the two longitudinal axes of the two insertion ducts.
La description qui va suivre en regard des dessins annexés, donnés à titre d'exemples non limitatifs, fera bien comprendre en quoi consiste l'invention et comment elle peut être réalisée. The following description with reference to the appended drawings, given by way of non-limiting examples, will make it clear what the invention consists of and how it can be implemented.
Sur les dessins annexés : la figure 1 est une vue schématique en perspective avant d'une première variante d'un premier mode de réalisation d'une borne de connexion selon l'invention, - la figure 2 est une vue schématique de profil de la borne de connexion de la figure 1,In the appended drawings: FIG. 1 is a schematic front perspective view of a first variant of a first embodiment of a connection terminal according to the invention, - Figure 2 is a schematic side view of the connection terminal of Figure 1,
- la figure 3 est une vue schématique en perspective arrière de la borne de connexion de la figure 1,- Figure 3 is a schematic rear perspective view of the connection terminal of Figure 1,
- la figure 4 est une vue schématique en perspective avant de la borne de connexion de la figure 1, dans laquelle l'extrémité dénudée d'un fil conducteur électrique est inséré, - Figure 4 is a schematic front perspective view of the connection terminal of Figure 1, in which the stripped end of an electrical conductor wire is inserted,
- la figure 5 est une vue schématique en perspective arrière de la borne de connexion de la figure 1, dans laquelle l'extrémité dénudée d'un fil conducteur électrique est inséré, - Figure 5 is a schematic rear perspective view of the connection terminal of Figure 1, in which the stripped end of an electrical conductor wire is inserted,
- la figure 6 est une vue schématique du dessus de la figure 4, - Figure 6 is a schematic top view of Figure 4,
- la figure 7 est une vue schématique en coupe selon le plan AA de la figure 6, - Figure 7 is a schematic sectional view along the plane AA of Figure 6,
- la figure 8 est une vue schématique en perspective avant d'un deuxième mode de réalisation d'une borne de connexion selon l'invention, - Figure 8 is a schematic front perspective view of a second embodiment of a connection terminal according to the invention,
- la figure 9 est une vue schématique de profil de la borne de connexion de la figure 8, - Figure 9 is a schematic side view of the connection terminal of Figure 8,
- la figure 10 est une vue schématique en perspective arrière de la borne de connexion de la figure 8,- Figure 10 is a schematic rear perspective view of the connection terminal of Figure 8,
- la figure 11 est une vue schématique en perspective avant de la borne de connexion de la figure 8, dans laquelle l'extrémité dénudée d'un fil conducteur électrique est inséré, - Figure 11 is a schematic front perspective view of the connection terminal of Figure 8, in which the stripped end of an electrical conductor wire is inserted,
- la figure 12 est une vue schématique en perspective arrière de la borne de connexion de la figure 8, dans laquelle l'extrémité dénudée d'un fil conducteur électrique est inséré, - Figure 12 is a schematic rear perspective view of the connection terminal of Figure 8, in which the stripped end of an electrical conductor wire is inserted,
- la figure 13 est une vue schématique du dessus de la figure 11, - Figure 13 is a schematic top view of Figure 11,
- la figure 14 est une vue schématique en coupe selon le plan BB de la figure 13, - Figure 14 is a schematic sectional view along the plane BB of Figure 13,
- la figure 15 est une vue schématique en perspective avant d'un troisième mode de réalisation d'une borne de connexion selon l'invention, - Figure 15 is a schematic front perspective view of a third embodiment of a connection terminal according to the invention,
- la figure 16 est une vue schématique de profil de la borne de connexion de la figure 15, - Figure 16 is a schematic side view of the connection terminal of Figure 15,
- la figure 17 est une vue schématique en perspective arrière de la borne de connexion de la figure 15,- Figure 17 is a schematic rear perspective view of the connection terminal of Figure 15,
- la figure 18 est une vue schématique en perspective avant de la borne de connexion de la figure 15, dans laquelle l'extrémité dénudée d'un fil conducteur électrique est inséré, - Figure 18 is a schematic front perspective view of the connection terminal of Figure 15, in which the stripped end of an electrical conductor wire is inserted,
- la figure 19 est une vue schématique en perspective arrière de la borne de connexion de la figure 15, dans laquelle l'extrémité dénudée d'un fil conducteur électrique est inséré, - Figure 19 is a schematic rear perspective view of the connection terminal of Figure 15, in which the stripped end of an electrical conductor wire is inserted,
- la figure 20 est une vue schématique du dessus de la figure 18, - Figure 20 is a schematic top view of Figure 18,
- la figure 21 est une vue schématique en coupe selon le plan CC de la figure 20, - la figure 22 est une vue schématique en perspective avant d'une deuxième variante du premier mode de réalisation de la figure 1, représentée sans la lame ressort, - Figure 21 is a schematic sectional view along the plane CC of Figure 20, - Figure 22 is a schematic front perspective view of a second variant of the first embodiment of Figure 1, shown without the leaf spring,
- la figure 23 est une vue schématique en perspective arrière d'un socle d'un mécanisme d'appareillage électrique adapté à recevoir la borne de la figure 22, - Figure 23 is a schematic rear perspective view of a base of an electrical equipment mechanism adapted to receive the terminal of Figure 22,
- la figure 24 est une vue schématique en coupe selon le plan DD de la figure 23 du socle de la figure 23 avec la borne de la figure 22, lorsqu'un fil conducteur est introduit dans l'une des ouvertures de cette borne. - Figure 24 is a schematic sectional view along the plane DD of Figure 23 of the base of Figure 23 with the terminal of Figure 22, when a conductive wire is introduced into one of the openings of this terminal.
Dans la description qui va suivre, par convention, le terme « arrière » désignera le côté de la borne de connexion par lequel l'extrémité dénudée d'un fil conducteur électrique est insérée dans la borne de connexion, tandis que le terme « avant » désignera le côté opposé de cette borne de connexion, tourné vers l'intérieur de l'appareillage électrique. In the following description, by convention, the term "rear" will designate the side of the connection terminal by which the stripped end of an electrical conductor wire is inserted into the connection terminal, while the term "front" will designate the opposite side of this connection terminal, facing the inside of the electrical equipment.
Sur les figures 1 à 22, on a représenté trois modes de réalisation d'une borne de connexion 100 ; 200 ; 300 selon l'invention. In FIGS. 1 to 22, three embodiments of a connection terminal 100 have been shown; 200; 300 according to the invention.
Deux variantes du premier mode de réalisation de la borne de connexion 100 sont représentées respectivement sur les figures 1 à 7, d'une part, et 22 et 24, d'autre part. Les éléments identiques de ces deux variantes sont désignés par les mêmes références et ne seront décrits qu'une fois. Two variants of the first embodiment of the connection terminal 100 are represented respectively in FIGS. 1 to 7, on the one hand, and 22 and 24, on the other hand. The identical elements of these two variants are designated by the same references and will only be described once.
La borne de connexion 100 ; 200 ; 300 est destinée à être intégrée à un mécanisme d'appareillage électrique selon l'invention, par exemple à un mécanisme de prise de courant ou de commutateur. Il peut s'agir d'une borne de terre 100 ou d'une borne de phase 200 ; 300. Sur la figure 24, une borne de connexion 100 selon l'invention est représentée dans un mécanisme de prise de courant. The connection terminal 100; 200; 300 is intended to be integrated into an electrical equipment mechanism according to the invention, for example into a socket or switch mechanism. It can be a ground terminal 100 or a phase terminal 200; 300. In FIG. 24, a connection terminal 100 according to the invention is shown in a socket mechanism.
Cette borne de connexion 100 ; 200 ; 300 autorise le transport du courant électrique entre au moins un fil conducteur 1 issu du réseau électrique, et un élément de connexion de la borne de connexion 100 ; 200 ; 300 (figures 4, 5, 7, 11, 12, 13, 14, 18, 19, 20, 21 et 22). This connection terminal 100; 200; 300 authorizes the transport of electric current between at least one conductive wire 1 from the electrical network, and a connection element of the connection terminal 100; 200; 300 (figures 4, 5, 7, 11, 12, 13, 14, 18, 19, 20, 21 and 22).
Cet élément de connexion est par exemple une broche de terre 101 ou un grain de contact 301, tels que représenté par exemple sur les figures 1 à 7 et 15 à 22. L'élément de connexion peut être également un alvéole de réception 201 (figures 8 à 14), adapté à recevoir une broche de connexion d'une fiche électrique d'un appareil électrique quelconque. This connection element is for example a ground pin 101 or a contact grain 301, as represented for example in FIGS. 1 to 7 and 15 to 22. The connection element can also be a reception cell 201 (figures 8 to 14), adapted to receive a connection pin of an electrical plug of any electrical device.
Cette borne de connexion 100 ; 200 ; 300 comporte un corps conducteur formé par une bande métallique 110 ; 210 ; 310. Le corps conducteur est réalisé dans un matériau présentant des caractéristiques de conductivité électrique satisfaisantes pour conduire le courant électrique entre l'élément de connexion et le fil électrique. This connection terminal 100; 200; 300 comprises a conductive body formed by a metal strip 110; 210; 310. The conductive body is made of a material having satisfactory electrical conductivity characteristics to conduct the electric current between the connection element and the electric wire.
Il s'agit par exemple d'un métal conducteur, par exemple du cuivre ou un alliage contenant du cuivre.It is for example a conductive metal, for example copper or an alloy containing copper.
Le corps conducteur est formé d'un feuillard métallique replié. L'élément de connexion peut être distinct du corps conducteur et rapporté sur celui-ci, comme cela sera décrit plus en détails ultérieurement dans les premier et troisième modes de réalisation. The conductive body is formed from a folded metal strip. The connection element can be separate from the conductive body and attached thereto, as will be described in more detail later in the first and third embodiments.
Le corps conducteur et l'élément de connexion peuvent également être réalisés d'une seule pièce, comme cela est le cas dans le deuxième mode de réalisation. The conductive body and the connection element can also be made in one piece, as is the case in the second embodiment.
La bande métallique 110 ; 210 ; 310 formant le corps conducteur présente une forme globalement allongée, repliée autour de plusieurs axes transverses parallèles entre eux (figures 1, 2, 8, 9, 15,16 et 22). The metal strip 110; 210; 310 forming the conductive body has a generally elongated shape, folded around several mutually parallel transverse axes (Figures 1, 2, 8, 9, 15,16 and 22).
La bande métallique 110 ; 210 ; 310 est délimitée par deux faces principales 110A, 110B ; 210A, 210B ; 310A, 310B (figures 7, 14, 21 et 22) opposées parallèles. Une face principale arrière 110A ; 210A ; 310A est orientée vers l'installateur : il s'agit de la face du côté de laquelle l'extrémité dénudée du fil conducteur 1 est introduite dans la borne de connexion 100 ; 200 ; 300. L'autre face principale avant 110B ; 210B, 310B correspond à la face du côté de laquelle l'extrémité dénudée du fil conducteur 1 émerge à l'intérieur de la borne de connexion 100 ; 200 ; 300. The metal strip 110; 210; 310 is delimited by two main faces 110A, 110B; 210A, 210B; 310A, 310B (FIGS. 7, 14, 21 and 22) opposed parallel. A rear main face 110A; 210A; 310A is oriented towards the installer: this is the face on the side of which the stripped end of the conductive wire 1 is introduced into the connection terminal 100; 200; 300. The other main front face 110B; 210B, 310B corresponds to the face on the side of which the stripped end of the conductive wire 1 emerges inside the connection terminal 100; 200; 300.
Les faces principales 110A, 110B ; 210A, 210B ; 310A, 310B sont reliées par des bords longitudinaux HOC ; 210C ; 310C et des bords d'extrémités 110D ; 210D ; 310D (figures 1, 8, 15 et 22). The main faces 110A, 110B; 210A, 210B; 310A, 310B are connected by longitudinal edges HOC; 210C; 310C and 110D end edges; 210D; 310D (figures 1, 8, 15 and 22).
La bande métallique 110 ; 210 ; 310 comprend une partie principale PPI ; PP2 ; PP3 qui s'étend globalement selon un axe longitudinal XI ; X2 ; X3 (figures 7, 14, 21 et 22). Cette partie principale PP1 ; PP2 ; PP3 de la bande métallique 110 ; 210 ; 310 comprend une première et une deuxième partie 111, 112 ; 211, 212 ; 311, 312 de la bande métallique 110 ; 210 ; 310 reliées par un pont 113 ; 213 ; 313 (voir en particulier les figures 2, 7, 9, 14, 16,21 et 22). The metal strip 110; 210; 310 comprises a main part PPI; PP2; PP3 which extends globally along a longitudinal axis XI; X2; X3 (figures 7, 14, 21 and 22). This main part PP1; PP2; PP3 of metal strip 110; 210; 310 comprises a first and a second part 111, 112; 211, 212; 311, 312 of the metal strip 110; 210; 310 connected by a bridge 113; 213; 313 (see in particular figures 2, 7, 9, 14, 16,21 and 22).
La bande métallique 110 ; 210 ; 310 comporte en outre deux parties d'extrémité PCI, PLI ; PC2, PL2 ; PC3, PL3 situées de part et d'autre de la partie principale PPI ; PP2 ; PP3. Dans chaque mode de réalisation représenté sur les figures et décrits plus en détails ci-après, l'une des deux parties d'extrémité forme une partie de connexion PCI ; PC2 ; PC3 qui accueille ledit élément de connexion de la borne de connexion 100 ; 200 ; 300 et l'autre partie d'extrémité est une partie d'extrémité libre PLI ; PL2 ; PL3. La première 111 ; 211 ; 311 des deux parties 111, 112 ; 211 ; 212 ; 311, 312 de la partie principale PP1 ; PP2 ; PP3 de la bande métallique 110 ; 210 ; 310 est sensiblement plane et s'étend selon un plan médian comprenant l'axe longitudinal XI ; X2 ; X3. The metal strip 110; 210; 310 further comprises two end portions PCI, PLI; PC2, PL2; PC3, PL3 located on either side of the main part PPI; PP2; PP3. In each embodiment shown in the figures and described in more detail below, one of the two end parts forms a PCI connection part; PC2; PC3 which accommodates said connection element of the connection terminal 100; 200; 300 and the other end portion is a PLI free end portion; PL2; PL3. The first 111; 211; 311 of the two parts 111, 112; 211; 212; 311, 312 of the main part PP1; PP2; PP3 of metal strip 110; 210; 310 is substantially planar and extends along a median plane comprising the longitudinal axis XI; X2; X3.
Le pont 113 ; 213 ; 313 présente une forme au moins partiellement courbée. Il s'élève à partir de la première partie 111 ; 211 ; 311 de la partie principale PPI ; PP2 ; PP3 de la bande métallique, d'un côté arrière du plan médian de cette première partie 111 ; 211 ; 311, puis rejoint la deuxième partie 112 ; 212 ; 312 de la partie principale PPI ; PP2 ; PP3 de la bande métallique au niveau du plan médian ou à l'avant de ce plan médian. Bridge 113; 213; 313 has an at least partially curved shape. It rises from the first part 111; 211; 311 of the PPI main part; PP2; PP3 of the metal strip, on a rear side of the median plane of this first part 111; 211; 311, then joins the second part 112; 212; 312 of the PPI main part; PP2; PP3 of the metal strip at the level of the median plane or at the front of this median plane.
Ce faisant, le pont 113 ; 213 ; 313 forme une première bosse dont la concavité est tournée vers l'intérieur de la borne de connexion 110 ; 210 ; 310. Il rejoint la deuxième partie 112 ; 212 ; 312 de la partie principale PPI ; PP2 ; PP3 de la bande métallique au niveau d'une deuxième bosse, dont la concavité est tournée à l'opposé de la première bosse et contre laquelle est destiné à être établi un contact électrique entre l'âme dénudée du fil conducteur électrique 1 et la bande métallique 110 ; 210 ; 310, comme décrit plus en détails ci-après. In doing so, bridge 113; 213; 313 forms a first bump, the concavity of which faces the inside of the connection terminal 110; 210; 310. It joins the second part 112; 212; 312 of the PPI main part; PP2; PP3 of the metal strip at the level of a second bump, the concavity of which faces away from the first bump and against which electrical contact is intended to be established between the stripped core of the electrical conductor wire 1 and the strip metallic 110; 210; 310, as described in more detail below.
Le profil de la bande métallique 110 ; 210 ; 310 dessine ainsi une forme globalement en S au niveau du pont 113 ; 213 ; 313 (figures 2, 9, 16 et 22). The profile of the metal strip 110; 210; 310 thus draws a generally S-shape at the level of the bridge 113; 213; 313 (figures 2, 9, 16 and 22).
Une ouverture 114 ; 214 ; 314 est ménagée dans la bande métallique 110 ; 210 ; 310 au niveau du pont 113 ; 213 ; 313 de manière à laisser passer l'extrémité dénudée du fil conducteur 1 (voir en particulier les figures 3, 10, 17, 22 et 24). Elle est disposée dans la portion du pont 113 ; 213 ; 313 adjacente à la première partie 111 ; 211 ; 311 de la partie principale PP ; PP2 ; PP3 de la bande métallique 110 ; 210 ; 310. De cette manière, l'âme dénudée du fil conducteur 1 est introduite dans l'ouverture 114 ; 214 ; 314 selon un axe d'insertion 11 ; 12 ; 13 incliné par rapport par rapport à l'axe longitudinal XI ; X2 ; X3 de la bande métallique 110 ; 210 ; 310 et par conséquent incliné par rapport au plan médian de la première partie 111 ; 211 ; 311 de la partie principale PPI ; PP2 ; PP3 de la bande métallique. An opening 114; 214; 314 is made in the metal strip 110; 210; 310 at deck 113; 213; 313 so as to allow the stripped end of the conductive wire 1 to pass (see in particular FIGS. 3, 10, 17, 22 and 24). It is arranged in the portion of the bridge 113; 213; 313 adjacent to the first part 111; 211; 311 of the main PP part; PP2; PP3 of metal strip 110; 210; 310. In this way, the stripped core of the conductive wire 1 is introduced into the opening 114; 214; 314 along an insertion axis 11; 12; 13 inclined with respect to the longitudinal axis XI; X2; X3 of metal strip 110; 210; 310 and therefore inclined with respect to the median plane of the first part 111; 211; 311 of the PPI main part; PP2; PP3 of metal strip.
Dans les exemples représentés sur les figures annexées, la borne de connexion 100 ; 200 ; 300 selon l'invention est adaptée à recevoir les extrémités dénudées de deux fils conducteur 1. Les extrémités dénudées des deux fils conducteurs 1 sont adaptés à être insérés parallèlement dans la borne de connexion. Il est prévu à cet effet deux ouvertures distinctes disposées côte à côte dans la largeur de la bande métallique 110 ; 210 ; 310. In the examples shown in the appended figures, the connection terminal 100; 200; 300 according to the invention is adapted to receive the stripped ends of two conductive wires 1. The stripped ends of the two conductive wires 1 are adapted to be inserted parallel into the connection terminal. For this purpose, two separate openings arranged side by side across the width of the metal strip 110 are provided; 210; 310.
La borne de connexion 100 ; 200 ; 300 comprend en outre une lame ressort 120 ; 220 ; 320 (non représentée sur la figure 22). Cette lame ressort 120 ; 220 ; 320 est déformable entre deux configurations : une configuration de repos, dans laquelle elle est non contrainte et en conséquence non déformée (figures 1, 2, 3, 8, 9, 10, 15, 16 et 17), et une configuration de serrage, dans laquelle elle est déformée élastiquement par le passage de l'extrémité dénudée de chaque fil conducteur 1 (figures 4 à 7, 11 à 14 et 18 à 21). The connection terminal 100; 200; 300 further comprises a leaf spring 120; 220; 320 (not shown in Figure 22). This spring blade 120; 220; 320 is deformable between two configurations: a rest configuration, in which it is unconstrained and therefore undeformed (figures 1, 2, 3, 8, 9, 10, 15, 16 and 17), and a tightening configuration, in which it is elastically deformed by the passage of the stripped end of each conductive wire 1 (FIGS. 4 to 7, 11 to 14 and 18 to 21).
Dans sa configuration de serrage, la lame ressort 120 ; 220 ; 320 est rappelée en permanence vers sa configuration de repos. Ce faisant, elle serre l'extrémité dénudée du fil conducteur 1 contre la face avant 110B ; 210B ; 310B de la bande métallique 110 ; 210 ; 310 (figures 4 à 7, 11 à 14 et 18 à 21).In its clamping configuration, the leaf spring 120; 220; 320 is permanently recalled to its idle configuration. In doing so, it clamps the stripped end of the conductive wire 1 against the front face 110B; 210B; 310B of the metal strip 110; 210; 310 (figures 4 to 7, 11 to 14 and 18 to 21).
La lame ressort 120 ; 220 ; 320 est formée d'une seule pièce. The spring blade 120; 220; 320 is formed in one piece.
Elle se présente sous la forme d'une plaquette métallique de forme allongée. It comes in the form of an elongated metal plate.
Cette plaquette est globalement rectangulaire. Elle est délimitée par deux bords longitudinaux et deux bords d'extrémité transversaux 121A, 126A ; 221A, 226A ; 321A, 326A (figures 1, 8, 13, 15). L'un des bords d'extrémité transversaux 121A ; 221A ; 321A définit une fourche à deux dents et l'autre bord d'extrémité transversal 126A ; 226A ; 326A est droit. This wafer is generally rectangular. It is delimited by two longitudinal edges and two transverse end edges 121A, 126A; 221A, 226A; 321A, 326A (Figs. 1, 8, 13, 15). One of the transverse end edges 121A; 221A; 321A defines a two-tooth fork and the other transverse end edge 126A; 226A; 326A is right.
A partir du bord d'extrémité transversal 121A ; 221A ; 321A en forme de fourche, la lame ressort 120 ; 220 ; 320 comporte une portion fixe 121 ; 221 ; 321 qui s'étend contre la face avant 110B ; 210B ; 310B de la bande métallique 110 ; 210 ; 310, au niveau de la première partie 111 ; 211 ; 311 de la partie principale PPI ; PP2 ; PP3 de la bande métallique 110 ; 210 ; 310, et une portion mobile 126 ; 226 ; 326 qui prolonge la portion fixe 121 ; 221 ; 321 et s'étend principalement au droit du pont 113 ; 213 ; 313. From the transverse end edge 121A; 221A; 321A in the form of a fork, the leaf spring 120; 220; 320 includes a fixed portion 121; 221; 321 which extends against the front face 110B; 210B; 310B of the metal strip 110; 210; 310, at the level of the first part 111; 211; 311 of the PPI main part; PP2; PP3 of metal strip 110; 210; 310, and a movable portion 126; 226; 326 which extends the fixed portion 121; 221; 321 and extends mainly to the right of bridge 113; 213; 313.
Cette lame ressort 120 ; 220 ; 320 s'étend ainsi parallèlement à la première partie 111 ; 211 ; 311 de la partie principale PPI ; PP2 ; PP3 de la bande métallique 110 ; 210 ; 310 et au droit du pont 113 ; 213 ; 313 (figures 1, 2, 8, 9, 15, et 16), selon l'axe longitudinal XI ; X2 ; X3 de la bande métallique.This spring blade 120; 220; 320 thus extends parallel to the first part 111; 211; 311 of the PPI main part; PP2; PP3 of metal strip 110; 210; 310 and to the right of bridge 113; 213; 313 (Figures 1, 2, 8, 9, 15, and 16), along the longitudinal axis XI; X2; X3 of metal strip.
La portion fixe 121 ; 221. 321 de la lame ressort 120. 220. 320 est maintenue en place contre la première partie 111 ; 211 ; 311 de la partie principale PPI ; PP2 ; PP3 de la bande métallique 110 ; 210 ; 310 par deux pattes latérales 115 ; 215 ; 315 de la borne de connexion 100 ; 200 ; 300 (figures 1 à 5, 7 et 8 à 22) qui s'étendent à partir des bords longitudinaux HOC ; 210C ; 310C de la bande métallique 110 ; 210 ; 310, au niveau de la première partie 111 ; 211 ; 311 de sa partie principale PP1 ; PP2 ; PP3. Ces pattes latérale 115 ; 215 ; 315 sont repliées l'une vers l'autre en regard de ladite bande métallique, sur la lame ressort 120 ; 220 ; 320. The fixed portion 121; 221, 321 of the leaf spring 120, 220, 320 is held in place against the first part 111; 211; 311 of the PPI main part; PP2; PP3 of metal strip 110; 210; 310 by two side tabs 115; 215; 315 of connection terminal 100; 200; 300 (FIGS. 1 to 5, 7 and 8 to 22) which extend from the longitudinal edges HOC; 210C; 310C of the metal strip 110; 210; 310, at the level of the first part 111; 211; 311 of its main part PP1; PP2; PP3. These side legs 115; 215; 315 are folded towards each other opposite said metal strip, on the leaf spring 120; 220; 320.
En pratique, la lame ressort 120 ; 220 ; 320 peut par exemple être rivetée sur ces pattes latérales 115 ; 215 ; 315, ou peut comprendre des ouvertures adaptées à s'accrocher autour de picots de ces pattes latérales 115 ; 215 ; 315. La portion mobile 126 ; 226 ; 326 de la lame ressort 120 ; 220 ; 320 est située à l'extrémité libre de la lame ressort 120 ; 220 ; 320. Elle est adaptée à être fléchie par l'insertion de l'âme dénudée du fil conducteur 1 dans la borne de connexion. La portion mobile 126 ; 226 ; 326 de la lame ressort 120 ; 220 ; 320 est par exemple reliée à la portion fixe 121 ; 221 ; 321 de la lame ressort 120 ; 220 ; 320 par une charnière élastique 127 ; 227 ; 327 (figures 4, 11 et 18) qui autorise le fléchissement de cette portion mobile 126 ; 226 ; 326 tout en tendant à la ramener dans sa position de repos. In practice, the spring blade 120; 220; 320 can for example be riveted to these side tabs 115; 215; 315, or may include openings suitable for hooking around the pins of these side tabs 115; 215; 315. The movable portion 126; 226; 326 of leaf spring 120; 220; 320 is located at the free end of the leaf spring 120; 220; 320. It is adapted to be bent by inserting the stripped core of the conductive wire 1 into the connection terminal. The movable portion 126; 226; 326 of leaf spring 120; 220; 320 is for example connected to the fixed portion 121; 221; 321 of leaf spring 120; 220; 320 by an elastic hinge 127; 227; 327 (Figures 4, 11 and 18) which allows the deflection of this movable portion 126; 226; 326 while tending to bring it back to its resting position.
Dans la configuration de repos (figures 1, 2, 3, 8, 9, 10, 15, 16, 17), la lame ressort 120 ; 220 ; 320 est entièrement plane, les portions fixe et mobile étant alignées. Le bord d'extrémité transversal 126A ; 226A ; 326A appartenant à la portion mobile 126 ; 226 ; 326 de la lame ressort 120 ; 220 ; 320 est alors situé très à proximité de la deuxième partie 112 ; 212 ; 312 de la partie principale PPI ; PP2 ; PP3 de la bande métallique 110 ; 210 ; 310. Il s'étend à quelques dixièmes de millimètres de cette deuxième partie 112 ; 212 ; 312 de la partie principale PPI ; PP2 ; PP3 de la bande métallique 110 ; 210 ; 310.In the rest configuration (FIGS. 1, 2, 3, 8, 9, 10, 15, 16, 17), the spring blade 120; 220; 320 is completely flat, the fixed and mobile portions being aligned. The transverse end edge 126A; 226A; 326A belonging to the mobile portion 126; 226; 326 of leaf spring 120; 220; 320 is then located very close to the second part 112; 212; 312 of the PPI main part; PP2; PP3 of metal strip 110; 210; 310. It extends a few tenths of a millimeter from this second part 112; 212; 312 of the PPI main part; PP2; PP3 of metal strip 110; 210; 310.
Dans la configuration de serrage de la lame ressort 120 ; 220 ; 320 (figures 4, 5, 7, 11, 12, 14, 18, 19, 21), la portion mobile 126 ; 226 ; 326 fléchit au niveau de la charnière élastique 127 ; 227 ; 327 de sorte qu'elle s'écarte de la bande métallique 110 ; 210 ; 310 pour laisser passer l'âme dénudée du fil conducteur 1. In the clamping configuration of the leaf spring 120; 220; 320 (Figures 4, 5, 7, 11, 12, 14, 18, 19, 21), the movable portion 126; 226; 326 flexes at the elastic hinge 127; 227; 327 so that it deviates from the metal strip 110; 210; 310 to allow the stripped core of conductive wire 1 to pass.
La borne de connexion 100 ; 200. 300 étant adaptée à recevoir l'âme dénudée de deux fils conducteurs 1 distincts. La portion mobile 126 ; 226 ; 326 de la lame ressort 120 ; 220 ; 320 est divisée en deux branches 123, 124 ; 223, 224 ; 323 ; 324 symétriques (figures 1, 4, 8, 11, 13, 15, 18 et 20), adaptées à être déformées ou déplacées indépendamment l'une de l'autre pour laisser passer un ou deux fils conducteurs 1. Les deux branches 123, 124 ; 223, 224, 323, 324 sont séparées par une fente longitudinale 122 ; 222 ; 322 qui s'étend à partir du bord d'extrémité transversal 126A ; 226A ; 326A de la portion mobile 126 ; 226 ; 326 de la lame ressort 120 ; 220 ; 320 jusqu'au milieu de la portion fixe 121 ; 221 ; 321 de la lame ressort 120 ; 220 ; 320. The connection terminal 100; 200. 300 being adapted to receive the stripped core of two separate conducting wires 1. The movable portion 126; 226; 326 of leaf spring 120; 220; 320 is divided into two branches 123, 124; 223, 224; 323; 324 symmetrical (figures 1, 4, 8, 11, 13, 15, 18 and 20), adapted to be deformed or moved independently of each other to allow one or two conductive wires 1 to pass. The two branches 123, 124; 223, 224, 323, 324 are separated by a longitudinal slot 122; 222; 322 which extends from the transverse end edge 126A; 226A; 326A of the movable portion 126; 226; 326 of leaf spring 120; 220; 320 to the middle of the fixed portion 121; 221; 321 of leaf spring 120; 220; 320.
Chacune de ces branches 123, 124 ; 223, 224 ; 323, 324 s'étend au droit de l'une des ouvertures 114 ; 214 ; 314 du pont 113 ; 213 ; 313 de la bande métallique 110 ; 210 ; 310 (figures 1, 8 et 15). Each of these branches 123, 124; 223, 224; 323, 324 extends in line with one of the openings 114; 214; 314 from bridge 113; 213; 313 of the metal strip 110; 210; 310 (figures 1, 8 and 15).
Plus précisément, chaque branche 123, 124 ; 223, 224 ; 323, 324 comprend une partie mobile reliée à une partie fixe par une zone autorisant la déformation sélective de la partie mobile de l'une des deux branches indépendamment de l'autre branche lorsqu'un seul fil conducteur est inséré dans les ouvertures 114 ; 214 ; 314 de la bande métallique (figures 4, 11 et 18). More specifically, each branch 123, 124; 223, 224; 323, 324 comprises a mobile part connected to a fixed part by a zone allowing the selective deformation of the mobile part of one of the two branches independently of the other branch when a single conductive wire is inserted into the openings 114; 214; 314 of the metal strip (Figures 4, 11 and 18).
En pratique, la partie mobile de chaque branche 123, 124 ; 223, 224 ; 323, 324 est reliée à la partie fixe de cette branche par la charnière élastique 127 ; 227 ; 327. Chaque branche 123, 124 ; 223, 224 ; 323, 324 de la lame ressort 120 ; 220 ; 320 est ainsi adaptée à serrer uniquement l'un des deux fils conducteur 1 insérés dans la borne de connexion. In practice, the mobile part of each branch 123, 124; 223, 224; 323, 324 is connected to the fixed part of this branch by the elastic hinge 127; 227; 327. Each branch 123, 124; 223, 224; 323, 324 of the leaf spring 120; 220; 320 is thus adapted to clamp only one of the two conductive wires 1 inserted into the connection terminal.
La portion mobile 126 ; 226 ; 326 de la lame ressort 120 ; 220 ; 320 est en outre munie d'une languette centrale 125 ; 225 ; 325 de guidage (figures 1, 8 et 15). Cette languette centrale s'étend selon l'axe longitudinal de la lame ressort, en saillie du bord d'extrémité transversale 126A ; 226A ; 326A de la lame ressort 120 ; 220 ; 320. La languette centrale 125 ; 225 ; 325 est séparée par ladite fente longitudinale 122 ; 222 ; 322 en deux parties appartenant chacun à l'une des branches de la lame ressort 120 ; 220 ; 320. The movable portion 126; 226; 326 of leaf spring 120; 220; 320 is further provided with a central tab 125; 225; 325 guide (Figures 1, 8 and 15). This central tab extends along the longitudinal axis of the leaf spring, projecting from the transverse end edge 126A; 226A; 326A of leaf spring 120; 220; 320. The central tongue 125; 225; 325 is separated by said longitudinal slot 122; 222; 322 in two parts each belonging to one of the branches of the leaf spring 120; 220; 320.
La languette centrale 125 ; 225 ; 325 est accueillie dans une rainure 116 ; 216 ; 316 de la bande métallique 110 ; 210 ; 310 (figures 1, 8 et 15). Cette languette centrale forme un coulisseau qui glisse dans la rainure pour guider la lame ressort 120 ; 220 ; 320 lorsque celle-ci passe de sa configuration de repos à sa configuration de serrage et inversement. La rainure 116 ; 216 ; 316 est une rainure longitudinale, qui s'étend au milieu de la bande métallique 110 ; 210 ; 310, au niveau d'une partie du pont 113 ; 213 ; 313 et de la deuxième partie 112 ; 212 ; 312 de la partie principale PPI ; PP2 ; PP3 de la bande métallique 110 ; 210 ; 310. The central tab 125; 225; 325 is accommodated in a groove 116; 216; 316 of the metal strip 110; 210; 310 (figures 1, 8 and 15). This central tongue forms a slider which slides in the groove to guide the leaf spring 120; 220; 320 when it passes from its rest configuration to its tightening configuration and vice versa. The groove 116; 216; 316 is a longitudinal groove, which extends in the middle of the metal strip 110; 210; 310, at part of the bridge 113; 213; 313 and the second part 112; 212; 312 of the PPI main part; PP2; PP3 of metal strip 110; 210; 310.
Le matériau de la lame ressort 120 ; 220 ; 320 présente des caractéristiques de rigidité satisfaisantes pour jouer le rôle de serrage du fil électrique. Il n'est pas nécessaire qu'elle soit réalisée dans un matériau conducteur, ce qui permet de limiter la quantité de matériau conducteur utilisé pour fabriquer l'élément de connexion selon l'invention. La lame ressort est par exemple réalisée en acier, notamment en inox. The spring blade material 120; 220; 320 has satisfactory rigidity characteristics to play the role of clamping the electric wire. It is not necessary for it to be made of a conductive material, which makes it possible to limit the quantity of conductive material used to manufacture the connection element according to the invention. The leaf spring is for example made of steel, in particular of stainless steel.
Chaque ouverture 114 ; 214 ; 314 ménagée au niveau du pont 113 ; 213 ; 313 laisse passer l'extrémité dénudée du fil conducteur 1 le long de l'axe d'insertion 11 ; 12 ; 13 (figures 7, 14, 21) dans un lieu d'insertion Ll ; L2 ; L3 dont une partie est située entre la lame ressort 120 ; 220 ; 320 et la bande métallique 110 ; 210 ; 310 (figures 4, 5, 7, 11, 12, 14, 18, 19 et 21). L'insertion de l'âme dénudée du fil conducteur est réalisée dans un sens d'insertion le long de l'axe d'insertion 11 ; 12 ; 13, matérialisé par une flèche sur l'axe d'insertion des figures 4, 5, 7, 11, 12, 14, 18, 19 et 21. Ce sens d'insertion est orienté de l'arrière vers l'avant avec les conventions de cette description. Each opening 114; 214; 314 provided at the level of bridge 113; 213; 313 allows the stripped end of the conductive wire 1 to pass along the insertion axis 11; 12; 13 (Figures 7, 14, 21) in an insertion site L1; L2; L3, part of which is located between the leaf spring 120; 220; 320 and the metal strip 110; 210; 310 (figures 4, 5, 7, 11, 12, 14, 18, 19 and 21). The insertion of the stripped core of the conductive wire is carried out in an insertion direction along the insertion axis 11; 12; 13, materialized by an arrow on the insertion axis of Figures 4, 5, 7, 11, 12, 14, 18, 19 and 21. This direction of insertion is oriented from the back to the front with the conventions of this description.
Plus précisément, chaque lieu d'insertion Ll ; L2 ; L3 est partiellement situé entre l'une des branches 123 ; 124 ; 223, 224 ; 323, 324 de la lame ressort 120 ; 220 ; 320 déformée dans sa configuration de serrage et la deuxième partie 112 ; 212 ; 312 de la partie principale PPI ; PP2 ; PP3 de la bande métallique 110 ; 210 ; 310. More precisely, each place of insertion L1; L2; L3 is partially located between one of the branches 123; 124; 223, 224; 323, 324 of the leaf spring 120; 220; 320 deformed in its clamping configuration and the second part 112; 212; 312 of the PPI main part; PP2; PP3 of metal strip 110; 210; 310.
Ladite deuxième partie 112 ; 212 ; 312 de la partie principale PPI ; PP2 ; PP3 de la bande métalliqueSaid second part 112; 212; 312 of the PPI main part; PP2; metal strip PP3
110 ; 210 ; 310 forme un bossage 112A ; 212A ; 312A au sommet duquel se trouve une première zone de contact électrique ZI ; Z2 ; Z3 entre la bande métallique 110 ; 210 ; 310 et l'extrémité dénudée du fil conducteur 1, contre laquelle ladite lame ressort 120 ; 220 ; 320 est adaptée à serrer ladite extrémité dénudée du fil conducteur 1 lorsque celui-ci est introduit dans la borne de connexion 100 ; 200 ; 300. Ce bossage 112A ; 212A ; 312A correspond à la deuxième bosse de la bande métallique 110 ; 210 ; 310, qui s'étend dans le prolongement de la première bosse formée par le pont 113 ; 213, 313. 110; 210; 310 forms a boss 112A; 212A; 312A at the top of which is a first zone electrical contact ZI; Z2; Z3 between the metal strip 110; 210; 310 and the stripped end of the conductive wire 1, against which said spring blade 120; 220; 320 is adapted to clamp said stripped end of the conductive wire 1 when the latter is introduced into the connection terminal 100; 200; 300. This boss 112A; 212A; 312A corresponds to the second bump of the metal strip 110; 210; 310, which extends in the extension of the first bump formed by the bridge 113; 213, 313.
Le bossage 112A ; 212A ; 312A est formé par un pliage de la bande métallique 110 ; 210 ; 310 autour de l'un des axes transverses selon lesquels la bande métallique est repliée. Ainsi, la bande métallique 110 ; 210 ; 310 s'éloigne dudit lieu d'insertion Ll ; L2 ; L3 du fil conducteur 1 de part et d'autre dudit bossage 112A ; 212A ; 312A. En d'autres termes, elle s'éloigne dudit lieu d'insertion Ll ; L2 ; L3 du fil conducteur 1 de part et d'autre de la première zone de contact. Boss 112A; 212A; 312A is formed by bending the metal strip 110; 210; 310 around one of the transverse axes along which the metal strip is folded. Thus, the metal strip 110; 210; 310 moves away from said insertion site L1; L2; L3 of the conductive wire 1 on either side of said boss 112A; 212A; 312A. In other words, it moves away from said place of insertion L1; L2; L3 of conductive wire 1 on either side of the first contact zone.
Ainsi, la zone de contact ZI ; Z2 ; Z3 présente une étendue limitée précisément définie. Cela autorise un contact maîtrisé, répétable et fiable entre le fil conducteur et la borne de connexion 100 ; 200 ; 300. Thus, the contact zone ZI; Z2; Z3 has a precisely defined limited extent. This allows controlled, repeatable and reliable contact between the conductive wire and the connection terminal 100; 200; 300.
Comme cela est visible sur les figures 1, 8 et 15, ledit bossage 112A ; 212A ; 312A est situé à proximité du bord d'extrémité transversal 126A ; 226A ; 326A de la portion mobile 126 ; 226 ; 326 de la lame ressort 120 ; 220 ; 320 dans sa position de repos. As seen in Figures 1, 8 and 15, said boss 112A; 212A; 312A is located close to the transverse end edge 126A; 226A; 326A of the movable portion 126; 226; 326 of leaf spring 120; 220; 320 in its rest position.
De manière remarquable, ladite bande métallique 110 ; 210 ; 310 forme, en regard de ladite deuxième partie 112 ; 212 ; 312 de la partie principale PPI ; PP2 ; PP3 de la bande métallique, une paroi 130 ; 230 ; 330 qui s'étend au moins partiellement dans le lieu d'insertion Ll ; L2 ; L3 du fil conducteur 1, de manière à fournir une deuxième zone Z3 ; Z4 ; Z5 de contact électrique entre la bande métallique 110 ; 210 ; 310 et le fil conducteur 1, distincte de la première zone de contact ZI ; Z2 ; Z3 (figures 7, 14, 21 et 22). Remarkably, said metal strip 110; 210; 310 form, facing said second part 112; 212; 312 of the PPI main part; PP2; PP3 of the metal strip, a wall 130; 230; 330 which extends at least partially into the L1 insertion site; L2; L3 of conductive thread 1, so as to provide a second zone Z3; Z4; Z5 of electrical contact between the metal strip 110; 210; 310 and the conductive wire 1, distinct from the first contact zone ZI; Z2; Z3 (figures 7, 14, 21 and 22).
Ladite paroi 130 ; 230 ; 330 s'étend en face du bossage 112A ; 212A ; 312A formé par la deuxième partie 112 ; 212 ; 312 de la bande de connexion 110 ; 210 ; 310, au droit de celui-ci ou dans une zone proche de la zone située au droit dudit bossage 112A ; 212A ; 312A. Said wall 130; 230; 330 extends opposite the boss 112A; 212A; 312A formed by the second part 112; 212; 312 of the connecting strip 110; 210; 310, in line with it or in a zone close to the zone located in line with said boss 112A; 212A; 312A.
En pratique, la position de ladite paroi 130 ; 230 ; 330 est décalée par rapport à la position du bossage 112A ; 212A ; 312A selon l'axe d'insertion 11 ; 12 ; 13 du fil conducteur 1, le décalage étant vers l'aval suivant le sens d'insertion du fil conducteur 1 dans la borne de connexion. In practice, the position of said wall 130; 230; 330 is offset from the position of the boss 112A; 212A; 312A along the insertion axis 11; 12; 13 of the conductive wire 1, the offset being downstream along the direction of insertion of the conductive wire 1 into the connection terminal.
La borne de connexion 100 ; 200 ; 300 étant adaptée à recevoir deux fils conducteurs 1, la bande métallique 110 ; 210 ; 310 forme deux parois 130 ; 230 ; 330, chacune disposée de manière à s'étendre au moins partiellement dans l'un des deux lieux d'insertion Ll ; L2 ; L3 des fils conducteurs 1 (figures 7, 14 et 21). The connection terminal 100; 200; 300 being adapted to receive two conducting wires 1, the metal strip 110; 210; 310 forms two walls 130; 230; 330, each arranged to extend at least partially in one of the two insertion sites L1; L2; L3 of the conducting wires 1 (FIGS. 7, 14 and 21).
Avantageusement, chaque paroi 130 ; 230 ; 330 est reliée à la bande métallique 110 ; 210 ; 310 par une partie formant charnière élastique 132 ; 232 ; 332 (figures 1, 3, 13, 15, 20 et 22). Advantageously, each wall 130; 230; 330 is connected to the metal strip 110; 210; 310 by a resilient hinge portion 132; 232; 332 (figures 1, 3, 13, 15, 20 and 22).
Ladite paroi 130 ; 230 ; 330 est ainsi mobile entre une position de repos et une position active, la charnière élastique 132 ; 232 ; 332 rappelant en permanence ladite paroi 130 ; 230 ; 330 vers sa position de repos. Said wall 130; 230; 330 is thus movable between a rest position and an active position, the elastic hinge 132; 232; 332 permanently recalling said wall 130; 230; 330 to its rest position.
Dans la position de repos, ladite paroi 130 ; 230 ; 330 s'étend au moins partiellement dans le lieu d'insertion Ll ; L2 ; L3 du fil conducteur 1 et dans la position active, la paroi 130 ; 230 ; 330 s'écarte de ladite position de repos pour laisse passer l'âme dénudée du fil conducteur 1 tout en exerçant sur lui une contrainte en direction de la deuxième partie 112 ; 212 ; 312 de la partie principale PPI ; PP2 ; PP3 de ladite bande métallique. In the rest position, said wall 130; 230; 330 extends at least partially into the L1 insertion site; L2; L3 of the conductive wire 1 and in the active position, the wall 130; 230; 330 deviates from said rest position to allow the stripped core of the conductive wire 1 to pass while exerting on it a stress in the direction of the second part 112; 212; 312 of the PPI main part; PP2; PP3 of said metal strip.
Les trois modes de réalisations de la borne de connexion 100 ; 200 ; 300 représentés sur les figures annexées diffèrent par la géométrie de leur corps conducteur, par la forme et le type de l'élément de connexion lui appartenant. The three embodiments of the connection terminal 100; 200; 300 shown in the appended figures differ by the geometry of their conductive body, by the shape and the type of the connection element belonging to it.
Dans les premier et deuxième modes de réalisation représentés sur les figures 1 à 7 et 8 à 14, ladite paroi 130 ; 230 est rattachée à l'une des parties d'extrémité de la bande métallique 110 ; 210. In the first and second embodiments shown in Figures 1 to 7 and 8 to 14, said wall 130; 230 is attached to one of the end portions of the metal strip 110; 210.
Dans le premier mode de réalisation de la borne de connexion 100 (figure 1 à 7 et 22), la paroi 130 est rattachée à la partie de connexion PCI de la bande métallique 110. In the first embodiment of the connection terminal 100 (figures 1 to 7 and 22), the wall 130 is attached to the PCI connection part of the metal strip 110.
Cette partie de connexion PCI présente une forme en angle, ici en angle droit, dont un côté constitue une plate-forme qui surplombe ladite partie principale PP1 de la bande métallique 110, et l'autre côté relie ladite plate-forme à la deuxième partie 112 de la partie principale PP1 de la bande métallique 110. La plate-forme forme un angle aigu avec l'axe longitudinal XI de ladite partie principale PP1 de la bande métallique 110. This PCI connection part has an angled shape, here at a right angle, one side of which constitutes a platform which overhangs said main part PP1 of the metal strip 110, and the other side connects said platform to the second part 112 of the main part PP1 of the metal strip 110. The platform forms an acute angle with the longitudinal axis XI of said main part PP1 of the metal strip 110.
Cette plate-forme comprend une ouverture dans laquelle est sertie la broche de terre 101. This platform includes an opening in which the ground pin 101 is crimped.
Le bord transversal d'extrémité de la plate-forme constitue un des bords d'extrémité 110D de la bande métallique 110 (figures 1 et 22). The transverse end edge of the platform constitutes one of the end edges 110D of the metal strip 110 (FIGS. 1 and 22).
A proximité de ce bord d'extrémité 110D de la bande métallique 110, la bande métallique 110 comprend deux parois tombantes 131 qui s'étendent, à partir des deux bords longitudinaux HOC de la plate-forme, perpendiculairement à celle-ci, en direction de la partie principale PP1 de la bande métallique 110 (figures 1 à 3 et 22). Chaque paroi tombante 131 présente une forme de L, dont une première branche est rattachée au bord longitudinal HOC correspondant de la bande métallique 110 et dont une deuxième branche s'étend vers la deuxième partie 112 de la partie principale PP1 de la bande métallique 110. Les deux parois tombantes 131 sont parallèles l'une à l'autre. Il est prévu à l'extrémité de chaque deuxième branche un retour dirigé vers l'autre deuxième branche, c'est-à-dire vers l'intérieur de la borne de connexion 100. Ce retour constitue ladite paroi 130. Near this end edge 110D of the metal strip 110, the metal strip 110 comprises two drooping walls 131 which extend, from the two longitudinal edges HOC of the platform, perpendicular to the latter, in the direction of the main part PP1 of the metal strip 110 (FIGS. 1 to 3 and 22). Each drop wall 131 has an L-shape, a first branch of which is attached to the corresponding longitudinal edge HOC of the metal strip 110 and a second branch of which extends towards the second part 112 of the main part PP1 of the metal strip 110. The two drooping walls 131 are parallel to each other. There is provided at the end of each second branch a return directed towards the other second branch, that is to say towards the inside of the connection terminal 100. This return constitutes said wall 130.
Il y a donc deux parois 130 s'étendant en direction l'une de l'autre à partir de chaque paroi tombanteThere are therefore two walls 130 extending towards each other from each falling wall
131. Chaque paroi 130 est reliée à la paroi tombante 131 correspondante par une charnière élastique131. Each wall 130 is connected to the corresponding falling wall 131 by an elastic hinge
132. Chaque charnière élastique 132 s'étend selon une direction longitudinale inclinée par rapport à l'axe d'insertion 11 du fil conducteur 1. Chaque paroi 130 s'étend également de manière inclinée par rapport à l'axe d'insertion 11 du fil conducteur 1. Elle s'étend de manière à se rapprocher de l'axe d'insertion 11 dans le sens de l'insertion du fil conducteur 1 (figure 7), de telle sorte qu'un bord de cette paroi 130 s'étend dans le lieu d'insertion L1 du fil conducteur 1 en l'absence de fil conducteur inséré dans la borne de connexion. 132. Each elastic hinge 132 extends in a longitudinal direction inclined with respect to the axis of insertion 11 of the conductive wire 1. Each wall 130 also extends in an inclined manner with respect to the axis of insertion 11 of the conductive wire 1. It extends so as to approach the insertion axis 11 in the direction of insertion of the conductive wire 1 (FIG. 7), such that an edge of this wall 130 is extends in the place of insertion L1 of the conductive wire 1 in the absence of conductive wire inserted in the connection terminal.
Chaque paroi 130 est prolongée par une cloison 133 (figures 1 à 3) qui s'étend de manière à contourner le lieu d'insertion L1 du fil conducteur 1. Les deux cloisons 133 rattachées aux deux parois 130 s'étendent ainsi dos à dos entre les lieux d'insertion L1 des deux fils conducteurs 1. Elles séparent les lieux d'insertions L1 des deux fils conducteurs 1 et empêchent l'extrémité dénudée du fil conducteur 1 insérée l'un des lieux d'insertion L1 de se déplacer latéralement vers l'autre lieu d'insertion L1 de la borne de connexion 100. Each wall 130 is extended by a partition 133 (FIGS. 1 to 3) which extends so as to circumvent the place of insertion L1 of the conductive wire 1. The two partitions 133 attached to the two walls 130 thus extend back to back between the places of insertion L1 of the two conductive wires 1. They separate the places of insertion L1 of the two conductive wires 1 and prevent the stripped end of the conductive wire 1 inserted one of the places of insertion L1 from moving laterally to the other place of insertion L1 of the connection terminal 100.
Dans la première variante du premier mode de réalisation représentée sur les figures 1 à 7, le contour de chaque ouverture 114 suit le profil de la bande métallique 110 au niveau de la partie correspondante du pont 113. L'ouverture 114 est ainsi délimitée intérieurement par le bord de la bande métallique 110. In the first variant of the first embodiment represented in FIGS. 1 to 7, the outline of each opening 114 follows the profile of the metal strip 110 at the level of the corresponding part of the bridge 113. The opening 114 is thus delimited internally by the edge of the metal strip 110.
Dans la deuxième variante du premier mode de réalisation, représenté sur les figures 22 et 24, la bande métallique 110 comprend, au niveau de chaque ouverture 114, une languette 117 qui s'étend à partir du bord de la bande métallique 110, perpendiculairement à la partie de la bande métallique 110 entourant l'ouverture 114, vers l'intérieur de la borne de connexion 100. Chaque languette 117 s'étend à partir de la partie du contour de l'ouverture 114 la plus proche de l'axe longitudinal XI, c'est- à-dire la plus proche de l'autre ouverture 114. In the second variant of the first embodiment, represented in FIGS. 22 and 24, the metal strip 110 comprises, at the level of each opening 114, a tongue 117 which extends from the edge of the metal strip 110, perpendicular to the part of the metal strip 110 surrounding the opening 114, towards the inside of the connection terminal 100. Each tab 117 extends from the part of the outline of the opening 114 closest to the longitudinal axis XI, that is to say the closest to the other opening 114.
Cette languette 117 forme une butée limitant la plage angulaire autorisée pour la direction d'insertion Il du fil conducteur 1. L'angle formé entre la direction d'insertion 11 et un plan perpendiculaire audit plan médian passant par l'axe longitudinal XI est par exemple limité à environ 8 à 10 degrés. Le risque de contact entre deux fils conducteurs insérés dans les deux ouvertures 114 de la borne de connexion 100 est ainsi réduit. Le risque d'une mauvaise insertion d'un seul fil conducteur 1, impliquant un contact incomplet avec la borne de connexion, est également réduit. This tongue 117 forms a stop limiting the angular range authorized for the direction of insertion II of the conductive wire 1. The angle formed between the direction of insertion 11 and a plane perpendicular to said median plane passing through the longitudinal axis XI is by example limited to about 8 to 10 degrees. The risk contact between two conductive son inserted in the two openings 114 of the connection terminal 100 is thus reduced. The risk of incorrect insertion of a single conductive wire 1, involving incomplete contact with the connection terminal, is also reduced.
Comme expliqué plus loin, cette deuxième variante du premier mode de réalisation de la borne de connexion peut avantageusement être associée à un socle isolant présentant une forme spécifique afin de limiter de manière encore plus efficace la plage angulaire autorisée pour la direction d'insertion Il du fil conducteur 1. As explained below, this second variant of the first embodiment of the connection terminal can advantageously be associated with an insulating base having a specific shape in order to limit even more effectively the angular range authorized for the direction of insertion Il of the common thread 1.
Dans le deuxième mode de réalisation de la borne de connexion 200 (figure 8 à 14), la paroi 230 est rattachée à la partie d'extrémité libre PL2 de la bande métallique 210. In the second embodiment of the connection terminal 200 (Figures 8 to 14), the wall 230 is attached to the free end part PL2 of the metal strip 210.
Cette partie d'extrémité libre PL2 de la bande métallique 210 présente une forme repliée en regard de la deuxième partie 212 de la partie principale PP2 de la bande métallique 210. Elle présente une forme en angle ayant ici un profil en L, avec une première branche 218 reliée à la deuxième partie 212 de la partie principale PP2 de la bande métallique et une deuxième branche 219 (figures 8 et 9) s'étendant à angle droit à partir de la première branche 218. Ces premières et deuxième branches 218, 219 présentent une largeur réduite par rapport à la largeur du reste de la bande métallique 210.This free end part PL2 of the metal strip 210 has a folded shape facing the second part 212 of the main part PP2 of the metal strip 210. It has an angled shape here having an L profile, with a first branch 218 connected to the second part 212 of the main part PP2 of the metal strip and a second branch 219 (FIGS. 8 and 9) extending at right angles from the first branch 218. These first and second branches 218, 219 have a reduced width compared to the width of the rest of the metal strip 210.
La deuxième branche 219 forme un angle aigu avec l'axe longitudinal X2 de ladite partie principale PP2 de la bande métallique 210. The second branch 219 forms an acute angle with the longitudinal axis X2 of said main part PP2 of the metal strip 210.
Le bord transversal d'extrémité de la deuxième branche 219 constitue l'un des bords d'extrémité 210D de la bande métallique 210 (figure 8). The transverse end edge of the second branch 219 constitutes one of the end edges 210D of the metal strip 210 (FIG. 8).
Au niveau de la deuxième branche 219, à proximité du bord d'extrémité 210D de la bande métallique 210, deux parois tombantes 231 s'étendent, à partir des deux bords longitudinaux 210C de la deuxième branche 219 de la partie d'extrémité libre PL2 de la bande métallique 210, perpendiculairement à ladite deuxième branche 219, en direction de la partie principale PP2 de la bande métallique 210 (figures 9 et 10). At the level of the second branch 219, close to the end edge 210D of the metal strip 210, two drooping walls 231 extend, from the two longitudinal edges 210C of the second branch 219 of the free end part PL2 of the metal strip 210, perpendicular to said second branch 219, in the direction of the main part PP2 of the metal strip 210 (FIGS. 9 and 10).
Chaque paroi 230 est reliée à l'une des parois tombantes 231 par une charnière élastique 232 et s'étend vers l'extérieur de la borne de connexion 200. Il y a donc deux parois 230 s'étendant dans des directions opposées à partir des parois tombantes 231. Chaque charnière élastique 232 s'étend selon une direction inclinée par rapport à l'axe d'insertion 12 du fil conducteur 1, et chaque paroi 230 s'étend également de manière inclinée par rapport à l'axe d'insertion 12 du fil conducteur 1. Chaque paroi 230 s'étend plus précisément de manière à se rapprocher de l'axe d'insertion 12 dans le sens de l'insertion du fil conducteur 1 (figure 9), de telle sorte qu'un bord de cette paroi 230 s'étend dans le lieu d'insertion L2 du fil conducteur 1 en l'absence de fil conducteur inséré dans la borne de connexion. Ici, les parois tombantes 231 jouent le rôle des cloisons 133 du premier mode de réalisation car elles s'étendent entre les lieux d'insertion L2 des deux fils conducteurs 1 que la borne de connexion 200 est adaptée à recevoir. Elles séparent ainsi les lieux d'insertions L2 des deux fils conducteurs et empêchent l'extrémité dénudée du fil conducteur 1 insérée dans un des lieux d'insertion L2 de se déplacer latéralement vers l'autre lieu d'insertion L2 de la borne de connexion 200. Each wall 230 is connected to one of the drooping walls 231 by an elastic hinge 232 and extends outward from the connection terminal 200. There are therefore two walls 230 extending in opposite directions from the drooping walls 231. Each elastic hinge 232 extends in a direction inclined with respect to the axis of insertion 12 of the conductive wire 1, and each wall 230 also extends in an inclined manner with respect to the axis of insertion 12 of the conductive wire 1. Each wall 230 extends more precisely so as to approach the insertion axis 12 in the direction of insertion of the conductive wire 1 (FIG. 9), such that an edge of this wall 230 extends into the place of insertion L2 of the conductive wire 1 in the absence of a conductive wire inserted into the connection terminal. Here, the drooping walls 231 play the role of the partitions 133 of the first embodiment because they extend between the places L2 of insertion of the two conductive wires 1 that the connection terminal 200 is adapted to receive. They thus separate the L2 insertion sites of the two conductive wires and prevent the stripped end of the conductive wire 1 inserted into one of the L2 insertion sites from moving laterally towards the other L2 insertion site of the connection terminal. 200.
Dans ce deuxième mode de réalisation, la partie de connexion PC2 est rattachée à la première partie 211 de la partie principale PP2 de la bande métallique 110. Cette partie de connexion PC2 comporte l'élément de connexion qui vient de formation avec la bande métallique 210 et forme un alvéole de connexion 201. In this second embodiment, the connection part PC2 is attached to the first part 211 of the main part PP2 of the metal strip 110. This connection part PC2 comprises the connection element which has just been formed with the metal strip 210 and forms a connection cell 201.
Cet élément de connexion comporte deux ailes 203 s'élevant en vis-à-vis l'une de l'autre, vers l'avant, à partir d'une base 202 reliée à la première partie 211 de la partie principale PP2 de la bande métallique 210. Les deux ailes 203 présentent chacune une extrémité libre incurvée 203A (figure 11).This connection element comprises two wings 203 rising facing each other, forwards, from a base 202 connected to the first part 211 of the main part PP2 of the metal strip 210. The two wings 203 each have a curved free end 203A (FIG. 11).
Ces extrémités libres incurvées 203A forment ensemble une pince qui délimite l'alvéole de réception. Celui-ci s'étend selon un axe de réception B (figure 11) qui est sensiblement parallèle à l'axe d'insertion 12 du fil conducteur 1. Les ailes 203 sont articulées sensiblement autour d'un axe perpendiculaire à l'axe de réception B (figure 11). These curved free ends 203A together form a clamp which delimits the reception cell. This extends along a receiving axis B (FIG. 11) which is substantially parallel to the axis of insertion 12 of the conductive wire 1. The wings 203 are hinged substantially around an axis perpendicular to the axis of reception B (Figure 11).
L'élément de connexion 201 comporte avantageusement un élément additionnel 240 (figures 8 à 14), distinct de la bande métallique 210, présentant la forme d'un cavalier. Cet élément additionnel 240 comporte une paroi de base 241 (figures 10, 11 et 12) à partir de laquelle s'élèvent deux parois latérales 242 inclinées l'une vers l'autre (figures 10, 11 et 12). Les parois latérales 242 sont appliquées contre les faces externes des ailes 203 de l'élément de connexion de manière à les pincer élastiquement. The connection element 201 advantageously includes an additional element 240 (FIGS. 8 to 14), separate from the metal strip 210, in the shape of a jumper. This additional element 240 comprises a base wall 241 (FIGS. 10, 11 and 12) from which rise two side walls 242 inclined towards each other (FIGS. 10, 11 and 12). The side walls 242 are applied against the external faces of the flanges 203 of the connection element so as to grip them elastically.
Chaque paroi latérale 242 de l'élément additionnel 240 comporte une fenêtre qui reçoit un relief prévu en saillie de l'aile 203 correspondante de l'élément de connexion. Each side wall 242 of the additional element 240 comprises a window which receives a relief provided projecting from the corresponding wing 203 of the connection element.
Dans le troisième mode de réalisation de la borne de connexion 300 (figures 15 à 21), ladite paroi 330 est rattachée à la partie principale PP3 de la bande métallique 220 ; 320. In the third embodiment of the connection terminal 300 (FIGS. 15 to 21), said wall 330 is attached to the main part PP3 of the metal strip 220; 320.
Plus précisément, il est prévu deux pattes latérales 331 qui s'étendent à partir des bords longitudinaux 310C de la bande métallique 310, vers l'avant, au niveau de la deuxième partie 312 de sa partie principale PP3. L'extrémité libre de chaque patte latérale 331 est repliée de manière à former un retour qui s'étend en regard de la deuxième partie 312 de la partie principale PP3 de ladite bande métallique 310. Lesdits retours s'étendent l'un vers l'autre et constituent lesdites parois 330 (figure 16). Chaque paroi 330 est reliée à la patte latérale 331 correspondante par une charnière élastique 332. More specifically, two lateral tabs 331 are provided which extend from the longitudinal edges 310C of the metal strip 310, forwards, at the level of the second part 312 of its main part PP3. The free end of each lateral tab 331 is folded over so as to form a return which extends opposite the second part 312 of the main part PP3 of said metal strip 310. Said returns extend one towards the another and constitute said walls 330 (figure 16). Each wall 330 is connected to the corresponding side tab 331 by an elastic hinge 332.
Chaque paroi 330 s'étend de manière inclinée par rapport à l'axe d'insertion 13 du fil conducteur 1. Elle s'étend de manière à se rapprocher de l'axe d'insertion 13 dans le sens de l'insertion du fil conducteur 1 (figure 16), de telle sorte qu'un bord de cette paroi 330 s'étend dans le lieu d'insertion L3 du fil conducteur 1 en l'absence de fil conducteur inséré dans la borne de connexion. Each wall 330 extends in an inclined manner with respect to the axis of insertion 13 of the conductive wire 1. It extends so as to approach the axis of insertion 13 in the direction of insertion of the wire conductor 1 (FIG. 16), such that an edge of this wall 330 extends into the place of insertion L3 of the conductor wire 1 in the absence of a conductor wire inserted into the connection terminal.
La partie de connexion PC3 de la borne de connexion 300 comporte une plate-forme 318 rattachée à la deuxième partie 312 de la partie principale PP3 de la bande métallique 310. Cette plate-forme 318 forme un angle légèrement obtus avec l'axe longitudinal X3 de la partie principal PP3 de la bande métallique 310. Elle s'étend vers l'arrière, dans une direction opposée à celle des pattes latérales 331. La plate-forme 318 comporte une ouverture à travers laquelle le grain de contact 301 est serti.The connection part PC3 of the connection terminal 300 comprises a platform 318 attached to the second part 312 of the main part PP3 of the metal strip 310. This platform 318 forms a slightly obtuse angle with the longitudinal axis X3 of the main part PP3 of the metal strip 310. It extends rearward, in a direction opposite to that of the side tabs 331. The platform 318 has an opening through which the contact block 301 is crimped.
Quel que soit le mode de réalisation, avant l'insertion du fil conducteur, la lame ressort 120 ; 220 ; 320 de la borne de connexion 100 ; 200 ; 300 est dans sa configuration de repos, entièrement plane, et chaque paroi 130 ; 230 ; 330 est dans sa position de repos, dans laquelle elle s'étend partiellement dans le lieu d'insertion Ll ; L2 ; L3 du fil conducteur correspondant. Whatever the embodiment, before the insertion of the conductive wire, the leaf spring 120; 220; 320 of connection terminal 100; 200; 300 is in its rest configuration, completely flat, and each wall 130; 230; 330 is in its rest position, in which it partially extends into the L1 insertion site; L2; L3 of the corresponding lead wire.
Lors de son insertion, l'extrémité dénudée du fil conducteur 1 repousse la portion mobile 126 ; 226 ; 326 de la lame ressort 120 ; 220 ; 320 qui s'étend au droit de l'ouverture 114 ; 214 ; 314 de la bande métallique 110 ; 210 ; 310 correspondante. Cette portion mobile 126 ; 226 ; 326 se déforme et passe dans sa configuration de serrage : le fil conducteur 1 passe entre la lame ressort 120 ; 220 ; 320 et la bande métallique 110 ; 210 ; 310 (figure 4, 5, 7, 11, 12, 14, 18, 19 et 21), dans le lieu d'insertion Ll ; L2 ; L3. Ce faisant, la lame ressort 120 ; 220 ; 320 serre l'âme dénudée du fil conducteur 1 contre la première zone de contact ZI ; Z2 ; Z3 de la bande métallique 110 ; 210 ; 310 située au sommet du bossage 112A ; 212A ; 312A de la deuxième partie 112 ; 212. 312 de la partie principale PPI ; PP2 ; PP3 de la bande métallique 110 ; 210 ; 310. During its insertion, the stripped end of the conductive wire 1 pushes the movable portion 126; 226; 326 of leaf spring 120; 220; 320 which extends to the right of the opening 114; 214; 314 of the metal strip 110; 210; 310 corresponding. This mobile portion 126; 226; 326 deforms and goes into its clamping configuration: the conductive wire 1 passes between the leaf spring 120; 220; 320 and the metal strip 110; 210; 310 (Figures 4, 5, 7, 11, 12, 14, 18, 19 and 21), in the L1 insertion site; L2; L3. In doing so, the spring blade 120; 220; 320 clamps the stripped core of the conductive wire 1 against the first contact zone ZI; Z2; Z3 of the metal strip 110; 210; 310 located at the top of the boss 112A; 212A; 312A of the second part 112; 212. 312 of the main part PPI; PP2; PP3 of metal strip 110; 210; 310.
La lame ressort 120 ; 220 ; 320 ne bloque pas le fil conducteur 1. La partie mobile de la lame ressort fléchit et s'écarte de sa position de repos pour laisser passer le fil conducteur 1. The spring blade 120; 220; 320 does not block conductive wire 1. The mobile part of the leaf spring flexes and moves away from its rest position to allow conductive wire 1 to pass.
Lorsque l'âme dénudée du fil conducteur 1 est enfoncée plus avant selon l'axe d'insertion 11 ; 12 ; 13, elle entre automatiquement en contact avec la paroi 130 ; 230 ; 330 de la bande métallique 110 ; 210 ; 310, au niveau du bord de cette paroi 130 ; 230 ; 330 qui s'étend dans le lieu d'insertion Ll ; L2 ; L3 du fil conducteur 1. Ce bord de la paroi 130 ; 230 ; 330 forme ainsi la deuxième zone de contact Z4 ; Z5 ; Z6 entre le fil conducteur 1 et la bande métallique 110 ; 210 ; 310. Grâce à l'inclinaison de la paroi 130 ; 230 ; 330 par rapport à l'axe d'insertion 11 ; 12 ; 13 du fil conducteur 1, la deuxième zone de contact Z4 ; Z5 ; Z6 présente une étendue limitée. Le fil conducteur 1 repousse la paroi 130 ; 230 ; 330 qui est adaptée à pivoter autour de la charnière élastique 132 ; 232 ; 332. Avantageusement, il frotte sur la seconde zone de contact Z4 ; Z5 ; Z6 et la dépasse. Cela permet d'optimiser les performances électriques de la borne de connexion 100 ; 200 ; 300. When the stripped core of the conductive wire 1 is pushed further along the insertion axis 11; 12; 13, it automatically comes into contact with the wall 130; 230; 330 of the metal strip 110; 210; 310, at the edge of this wall 130; 230; 330 which extends into the L1 insertion site; L2; L3 of the conductive thread 1. This edge of the wall 130; 230; 330 thus forms the second contact zone Z4; Z5; Z6 between conductive wire 1 and metal strip 110; 210; 310. Thanks to the inclination of the wall 130; 230; 330 with respect to the axis of insertion 11; 12; 13 of the conductive wire 1, the second contact zone Z4; Z5; Z6 has a limited range. The conductive thread 1 pushes the wall 130; 230; 330 which is adapted to pivot around the elastic hinge 132; 232; 332. Advantageously, it rubs on the second contact zone Z4; Z5; Z6 and passes it. This makes it possible to optimize the electrical performance of the connection terminal 100; 200; 300.
La paroi 130 ; 230 ; 330 s'écarte de sa position de repos et passe dans une position active dans laquelle elle laisse passer l'âme dénudée du fil conducteur 1 dans son lieu d'insertion Ll ; L2 ; L3 et exerce sur lui une pression globalement en direction de la deuxième partie 112 ; 212 ; 312 de la partie principale PPI ; PP2 ; PP3 de la bande métallique 110 ; 210 ; 310. The wall 130; 230; 330 deviates from its rest position and passes into an active position in which it allows the stripped core of the conductive wire 1 to pass into its place of insertion L1; L2; L3 and exerts on it a pressure generally in the direction of the second part 112; 212; 312 of the PPI main part; PP2; PP3 of metal strip 110; 210; 310.
L'âme dénudée du fil conducteur 1 complètement insérée dans la borne de connexion 100 ; 200 ; 300 est ainsi en contact avec celle-ci sur deux zones de contact séparées et distinctes, qui présentent une étendue limitée. Elle est en contact avec la bande métallique uniquement sur les deux zones de contact Zl, Z4 ; Z2, Z5 ; Z3, Z6. En outre, l'étendue de chacune de ces deux zones de contact ZI ; Z2 ; Z3 , Z4 ; Z5 ; Z6 selon l'axe longitudinal XI ; X2 ; X3 de la bande métallique 110 ; 210 ; 310 présente une taille réduite par rapport à la longueur de l'âme dénudée du fil conducteur 1. The stripped core of the conductive wire 1 completely inserted into the connection terminal 100; 200; 300 is thus in contact with the latter on two separate and distinct contact zones, which have a limited extent. It is in contact with the metal strip only on the two contact zones Z1, Z4; Z2, Z5; Z3, Z6. Furthermore, the extent of each of these two contact zones ZI; Z2; Z3, Z4; Z5; Z6 along the longitudinal axis XI; X2; X3 of metal strip 110; 210; 310 has a reduced size compared to the length of the stripped core of the conductive wire 1.
L'orientation relative de la paroi 130 ; 230 ; 330 et du lieu d'insertion Ll ; 12 ; L3 du fil conducteur 1 est telle que la force exercée par la paroi 130 ; 230 ; 330 sur l'extrémité dénudée du fil conducteur 1 au niveau de la deuxième zone de contact Z4 ; Z5 ; Z6 comprend une composante parallèle à la force exercée par la lame ressort 120 sur cette extrémité dénudée du fil conducteur 1 au niveau de la première zone de contact Zl ; Z2 ; Z3. En pratique, la paroi 130 ; 230 ; 330 dans sa position active est sensiblement parallèle à la portion mobile 126 ; 226 ; 326 de la lame ressort 120 ; 220 ; 320 dans sa configuration de serrage (figures 7, 14 et 21). La pression exercée par la paroi 130 ; 230 ; 330 renforce ainsi l'action de la lame ressort 120 ; 220 ; 320 (représentées schématiquement par des flèches sur les figures 7, 14 et 21). Le maintien du fil conducteur 1 est ainsi accru. La fiabilité de la connexion électrique est augmentée. The relative orientation of the wall 130; 230; 330 and the place of insertion Ll; 12; L3 of the conductive wire 1 is such that the force exerted by the wall 130; 230; 330 on the stripped end of the conductive wire 1 at the level of the second contact zone Z4; Z5; Z6 includes a component parallel to the force exerted by the leaf spring 120 on this bare end of the conductive wire 1 at the level of the first contact zone Z1; Z2; Z3. In practice, the wall 130; 230; 330 in its active position is substantially parallel to the movable portion 126; 226; 326 of leaf spring 120; 220; 320 in its clamping configuration (Figures 7, 14 and 21). The pressure exerted by the wall 130; 230; 330 thus reinforces the action of the leaf spring 120; 220; 320 (shown schematically by arrows in Figures 7, 14 and 21). The maintenance of the conductive thread 1 is thus increased. The reliability of the electrical connection is increased.
L'effort de contact au niveau de la première zone de contact est augmenté, ce qui contribue à la diminution de la résistance de contact entre l'extrémité dénudée du fil conducteur 1 et la bande métallique de la borne de connexion. L'échauffement de la borne de connexion est donc réduit.The contact force at the level of the first contact zone is increased, which contributes to the reduction of the contact resistance between the stripped end of the conductive wire 1 and the metal strip of the connection terminal. The heating of the connection terminal is therefore reduced.
En outre, la présence de deux zones de contact entre l'âme dénudée du fil conducteur 1 et la bande métallique 110 ; 210 ; 310 de la borne de connexion 100 ; 200 ; 300 génère une dérivation du courant électrique qui est acheminé le long de deux chemins différents. Cette dérivation permet de limiter l'échauffement global de la borne de connexion 100 ; 200 ; 300 lors du passage du courant électrique. Les deux chemins de passage du courant électrique dans la borne présentent en outre avantageusement une partie non commune dont la longueur est maximisée afin que la dérivation limite l'échauffement. Afin de favoriser une insertion correcte du fil conducteur 1 garantissant qu'il soit en contact avec les deux zones de contact prévues dans chaque borne de connexion, il est possible de prévoir, pour chacun des modes de réalisation décrits, que chaque ouverture de la borne de connexion est munie d'une languette s'étendant vers l'intérieur de la borne de connexion et située à proximité de l'axe longitudinal de cette borne, comme cela est le cas dans la deuxième variante du premier mode de réalisation décrite précédemment. Furthermore, the presence of two contact zones between the stripped core of the conductive wire 1 and the metal strip 110; 210; 310 of connection terminal 100; 200; 300 generates a diversion of electrical current which is routed along two different paths. This derivation makes it possible to limit the overall heating of the connection terminal 100; 200; 300 during the passage of electric current. The two electrical current flow paths in the terminal also advantageously have a non-common part whose length is maximized so that the bypass limits heating. In order to promote correct insertion of the conductive wire 1 guaranteeing that it is in contact with the two contact zones provided in each connection terminal, it is possible to provide, for each of the embodiments described, that each opening of the terminal connection is provided with a tab extending inwardly of the connection terminal and located close to the longitudinal axis of this terminal, as is the case in the second variant of the first embodiment described above.
En outre, la forme des entrées des bornes de connexion 100 ; 200 ; 300 sur le socle isolant du mécanisme d'appareillage accueillant chaque borne peut être adaptée à coopérer avec la languette prévue au niveau de l'ouverture de la borne de connexion afin de former une contre-butée pour le fil conducteur 1 lorsqu'il est inséré dans la borne de connexion à travers l'entrée du socle. In addition, the shape of the inputs of the connection terminals 100; 200; 300 on the insulating base of the fitting mechanism accommodating each terminal can be adapted to cooperate with the tongue provided at the level of the opening of the connection terminal in order to form a counter-stop for the conducting wire 1 when it is inserted into the connection terminal through the socket entry.
Les figures 23 et 24 montre un exemple d'un tel socle 410 appartenant à un mécanisme d'appareillage 400 du type prise de courant. La figure 24 montre le puits 420 de cette prise de courant. Ce socle 410 présente une forme globalement parallélépipédique, avec un fond 411 et une paroi latérale 415 s'élevant à partir du fond 411. Un trottoir 416 s'étend en saillie de la paroi latérale, autour de celle-ci, pour le montage du socle 410 dans un boîtier d'appareillage électrique (non représenté). Le fond 411 présente une face arrière 411A et comporte des conduits d'insertion 412 débouchant, d'une part, vers l'extérieure sur cette face arrière 411A du socle 410 et d'autre part, vers l'intérieur sur les deux ouvertures 114 de ladite borne de connexion 100 logée dans le socle 410. Ces conduits d'insertion 412 forment ainsi les entrées donnant accès à cette borne de connexion 100. Figures 23 and 24 show an example of such a base 410 belonging to a device mechanism 400 of the socket type. Figure 24 shows well 420 of this receptacle. This base 410 has a generally parallelepiped shape, with a bottom 411 and a side wall 415 rising from the bottom 411. A sidewalk 416 extends projecting from the side wall, around the latter, for mounting the base 410 in an electrical equipment box (not shown). The bottom 411 has a rear face 411A and comprises insertion ducts 412 opening, on the one hand, towards the exterior on this rear face 411A of the base 410 and, on the other hand, towards the interior on the two openings 114 of said connection terminal 100 housed in base 410. These insertion conduits 412 thus form the inputs giving access to this connection terminal 100.
Chaque conduit d'insertion 412 s'étend selon un axe longitudinal Y. Les axes longitudinaux Y des conduits d'insertion 412 sont respectivement confondus avec les axes desdites ouvertures 114 correspondantes de la borne de connexion 100. Each insertion duct 412 extends along a longitudinal axis Y. The longitudinal axes Y of the insertion ducts 412 coincide respectively with the axes of said corresponding openings 114 of the connection terminal 100.
Chaque conduit d'insertion 412 est délimité intérieurement par une face interne 413 de forme complexe. Cette face interne 413 présente une forme globalement conique de telle sorte que la section du conduit d'insertion se réduit depuis l'extérieur du socle 410 vers l'intérieur. En outre, cette face interne 413 comporte une nervure 414 qui s'étend vers l'intérieur du conduit d'insertion 412. Dans l'exemple représenté sur les figures 23 et 24, elle s'étend parallèlement à l'axe longitudinal Y du conduit d'insertion 412. Cette nervure 414 guide le fil conducteur 1 introduit dans ledit conduit d'insertion 412 vers l'axe longitudinal Y de ce dernier. Each insertion duct 412 is internally delimited by an internal face 413 of complex shape. This internal face 413 has a generally conical shape such that the section of the insertion duct is reduced from the outside of the base 410 inwards. In addition, this internal face 413 comprises a rib 414 which extends towards the inside of the insertion duct 412. In the example represented in FIGS. 23 and 24, it extends parallel to the longitudinal axis Y of the insertion duct 412. This rib 414 guides the conductive wire 1 introduced into said insertion duct 412 towards the longitudinal axis Y of the latter.
Comme représenté sur la figure 23, les conduits d'insertion 412 sont disposés par paire donnant accès aux deux ouvertures 114 d'une même borne de connexion 100. Les conduits d'insertion 412 de chaque paire sont disposés côte à côte. Les deux nervures 414 sont situées dans un plan contenant les axes longitudinaux Y des deux conduits d'insertion 412, de manière à être le plus loin possible l'une de l'autre. As represented in FIG. 23, the insertion ducts 412 are arranged in pairs giving access to the two openings 114 of the same connection terminal 100. The insertion ducts 412 of each pair are arranged side by side. The two ribs 414 are located in a plane containing the longitudinal axes Y of the two insertion ducts 412, so as to be as far apart as possible.
Chaque nervure 414 prévue dans le conduit d'insertion 412 et chaque languette 117 prévue sur le bord de l'ouverture 114 de la borne de connexion 100 associées sont disposées de part et d'autre de l'axe longitudinal Y du conduit d'insertion 412 correspondant et dans le plan contenant les deux axes longitudinaux Y des conduits d'insertion 412 du socle 410, confondus avec les axes des deux ouvertures 114 de la borne de connexion 100 correspondante. Each rib 414 provided in the insertion duct 412 and each tab 117 provided on the edge of the opening 114 of the associated connection terminal 100 are arranged on either side of the longitudinal axis Y of the insertion duct 412 corresponding and in the plane containing the two longitudinal axes Y of the insertion conduits 412 of the base 410, coinciding with the axes of the two openings 114 of the corresponding connection terminal 100.
Comme cela est visible sur la figure 24, lors de l'insertion d'un fil conducteur 1 dans la borne de connexion 100 à travers le conduit d'insertion 412 du socle 410, la plage angulaire autorisée pour l'insertion du fil conducteur 1 est limitée à la fois par la nervure 414 du socle 410 d'un côté et par la languette 117 de la borne de connexion 100 de l'autre. La direction d'insertion 11 du fil conducteur 1 est ainsi précisément maîtrisée. L'angle maximal AM autorisé entre la direction d'insertion 11 et l'axe longitudinal Y du conduit d'insertion 412 est par exemple inférieur à 10 degrés, de préférence inférieur à 8 degrés (figure 24). La présente invention n'est pas limitée aux modes de réalisation décrits et représentés sur les différentes figures, mais l'homme du métier saura y apporter toute variante conforme à son esprit. As can be seen in FIG. 24, when inserting a conductive wire 1 into the connection terminal 100 through the insertion conduit 412 of the base 410, the angular range authorized for the insertion of the conductive wire 1 is limited both by the rib 414 of the base 410 on one side and by the tab 117 of the connection terminal 100 on the other. The direction of insertion 11 of the conductive thread 1 is thus precisely controlled. The maximum angle AM authorized between the direction of insertion 11 and the longitudinal axis Y of the insertion conduit 412 is for example less than 10 degrees, preferably less than 8 degrees (FIG. 24). The present invention is not limited to the embodiments described and shown in the various figures, but those skilled in the art will be able to add any variant to it in accordance with their spirit.

Claims

Revendications Borne de connexion (100 ; 200 ; 300) automatique comprenant une bande métallique (110 ; 210 ; 310) comportant deux parties (111, 112 ; 211, 212 ; 311, 312) reliées par un pont (113 ; 213 ; 313) et une lame ressort (120 ; 220 ; 320) qui s'étend parallèlement à une première (111 ; 211 ; 311) desdites deux parties de la bande métallique (110 ; 210 ; 310) et au droit du pont (113 ; 213 ; 313), une ouverture (114 ; 214 ; 314) étant ménagée au niveau du pont (113 ; 213 ; 313) de manière à laisser passer un fil conducteur (1) dans un lieu d'insertion (Ll ; L2 ; L3) dont une partie est située entre la lame ressort (120 ; 220 ; 320) et une deuxième (112 ; 212 ; 312) desdites deux parties de la bande métallique (110 ; 210 ; 310), ladite deuxième partie (112 ; 212 ; 312) de la bande métallique (110 ; 210 ; 310) formant un bossage (112A ; 212A ; 312A) au sommet duquel se trouve une première zone de contact (ZI ; Z2 ; Z3) électrique entre la bande métallique (110 ;Claims Automatic connection terminal (100; 200; 300) comprising a metal strip (110; 210; 310) comprising two parts (111, 112; 211, 212; 311, 312) connected by a bridge (113; 213; 313) and a leaf spring (120; 220; 320) which extends parallel to a first (111; 211; 311) of said two parts of the metal strip (110; 210; 310) and in line with the bridge (113; 213; 313), an opening (114; 214; 314) being arranged at the level of the bridge (113; 213; 313) so as to allow a conductive wire (1) to pass into an insertion site (L1; L2; L3) whose a part is located between the leaf spring (120; 220; 320) and a second (112; 212; 312) of said two parts of the metal strip (110; 210; 310), said second part (112; 212; 312) the metal strip (110; 210; 310) forming a boss (112A; 212A; 312A) at the top of which there is a first electrical contact zone (ZI; Z2; Z3) between the metal strip (110;
210 ; 310) et le fil conducteur (1) contre laquelle ladite lame ressort (120 ; 220 ; 320) est adaptée à serrer ledit fil conducteur (1) lorsque celui-ci est introduit au travers de ladite ouverture (114 ; 214 ; 314) dans la borne de connexion (100 ; 200 ; 300), caractérisée en ce que ladite bande métallique (110 ; 210 ; 310) forme, en regard de ladite deuxième partie (112 ; 212 ; 312) de la bande métallique (110 ; 210 ; 310), une paroi (130 ; 230 ; 330) qui s'étend au moins partiellement dans le lieu d'insertion (Ll ; L2 ; L3) du fil conducteur (1), de manière à fournir une deuxième zone de contact (Z4 ; Z5 ; Z6) électrique entre la bande métallique (110 ; 210 ; 310) et le fil conducteur (1), distincte de la première zone de contact (ZI ; Z2 ; Z3). Borne de connexion (100 ; 200 ; 300) automatique selon la revendication 1, dans laquelle ledit bossage (112A ; 212A ; 312A) est situé à proximité d'une portion mobile (126 ; 226 ; 326) de la lame ressort (120 ; 220 ; 320). Borne de connexion (100 ; 200) automatique selon l'une des revendications 1 et 2, dans laquelle ladite bande métallique (110 ; 210) comporte une partie d'extrémité (PCI ; PL2) à laquelle est attachée ladite paroi (130 ; 230 ; 330). Borne de connexion (100 ; 200) automatique selon la revendication précédente, dans laquelle ladite bande métallique (110 ;210) présente une partie principale (PPI ; PP2), globalement allongée selon un axe longitudinal (XI ; X2), qui intègre les première et deuxième parties (111, 112 ; 211, 212) reliées par le pont (113 ; 213), et ladite partie d'extrémité (PCI ; PL2) présente une forme en angle dont un côté forme un angle aigu avec l'axe longitudinal (XI ; X2) de ladite partie principale (PPI ; PP2). Borne de connexion (300) automatique selon l'une des revendications 1 et 2, dans laquelle ladite paroi (330) est attachée à un bord latéral longitudinal (310C) de la bande métallique (310). 210; 310) and the conductive wire (1) against which said leaf spring (120; 220; 320) is adapted to clamp said conductive wire (1) when the latter is introduced through said opening (114; 214; 314) in the connection terminal (100; 200; 300), characterized in that said metal strip (110; 210; 310) forms, facing said second part (112; 212; 312) the metal strip (110; 210; 310), a wall (130; 230; 330) which extends at least partially into the place of insertion (L1; L2; L3) of the conductive wire (1), so as to provide a second contact zone (Z4 Z5; Z6) between the metal strip (110; 210; 310) and the conductive wire (1), distinct from the first contact zone (ZI; Z2; Z3). Connection terminal (100; 200; 300) automatic according to claim 1, wherein said boss (112A; 212A; 312A) is located near a movable portion (126; 226; 326) of the leaf spring (120; 220; 320). Automatic connection terminal (100; 200) according to one of Claims 1 and 2, in which the said metal strip (110; 210) comprises an end part (PCI; PL2) to which the said wall (130; 230) is attached. ;330). Automatic connection terminal (100; 200) according to the preceding claim, in which said metal strip (110; 210) has a main part (PPI; PP2), generally elongated along a longitudinal axis (XI; X2), which incorporates the first and second parts (111, 112; 211, 212) connected by the bridge (113; 213), and said end part (PCI; PL2) has an angled shape one side of which forms an acute angle with the longitudinal axis (XI; X2) of said main part (PPI; PP2). Automatic connection terminal (300) according to one of claims 1 and 2, wherein said wall (330) is attached to a longitudinal side edge (310C) of the metal strip (310).
6. Borne de connexion automatique (100 ; 200 ; 300) selon l'une des revendications 1 à 5, dans laquelle ladite paroi (130 ; 230 ; 330) s'étend en face dudit bossage (112A ; 212A ; 312A), au droit de celui-ci ou dans une zone proche de la zone située au droit dudit bossage (112A ; 212A ; 312A). 6. Automatic connection terminal (100; 200; 300) according to one of claims 1 to 5, wherein said wall (130; 230; 330) extends opposite said boss (112A; 212A; 312A), at the right of it or in a zone close to the zone situated to the right of said boss (112A; 212A; 312A).
7. Borne de connexion (100 ; 200 ; 300) automatique selon la revendication 6, dans laquelle, la position de ladite paroi (130 ; 230 ; 330) est décalée par rapport à la position du bossage (112A ; 212A ; 312A) selon la direction d'insertion (Il ; 12 ; 13) du fil conducteur (1), le décalage étant vers l'aval suivant le sens d'insertion du fil conducteur (1) dans la borne de connexion (100 ; 200 ; 300). 7. Connection terminal (100; 200; 300) automatic according to claim 6, wherein the position of said wall (130; 230; 330) is offset from the position of the boss (112A; 212A; 312A) according to the direction of insertion (II; 12; 13) of the conductive wire (1), the offset being downstream along the direction of insertion of the conductive wire (1) into the connection terminal (100; 200; 300) .
8. Borne de connexion automatique (100 ; 200 ; 300) selon l'une des revendications 1 à 7, dans laquelle, ladite paroi (130 ; 230 ; 330) est reliée à la bande métallique (110 ; 210 ; 310) par une charnière élastique (132 ; 232 ; 332). 8. Automatic connection terminal (100; 200; 300) according to one of claims 1 to 7, wherein said wall (130; 230; 330) is connected to the metal strip (110; 210; 310) by a elastic hinge (132; 232; 332).
9. Borne de connexion automatique (100 ; 200 ; 300) selon la revendication 8, dans laquelle, ladite paroi (130 ; 230 ; 330) est mobile entre une position de repos et une position active, la charnière élastique (132 ; 232 ; 332) rappelant en permanence ladite paroi (130 ; 230 ; 330) dans la position de repos, dans la position repos ladite paroi (130 ; 230 ; 330) s'étendant au moins partiellement dans le lieu d'insertion (Ll ; L2 ; L3) du fil conducteur (1) et dans la position active ladite paroi (130 ; 230 ; 330) s'écartant de ladite position de repos pour laisse passer le fil conducteur (1) tout en exerçant sur lui une contrainte en direction de la deuxième partie (112 ; 212 ; 312) de ladite bande métallique (110 ; 210 ; 310). 9. Automatic connection terminal (100; 200; 300) according to claim 8, wherein said wall (130; 230; 330) is movable between a rest position and an active position, the elastic hinge (132; 232; 332) permanently recalling said wall (130; 230; 330) to the rest position, in the rest position said wall (130; 230; 330) extending at least partially into the insertion site (L1; L2; L3) of the conductive wire (1) and in the active position said wall (130; 230; 330) deviating from said rest position to allow the conductive wire (1) to pass while exerting on it a constraint in the direction of the second part (112; 212; 312) of said metal strip (110; 210; 310).
10. Borne de connexion automatique (200) selon l'une des revendications 1 à 9, dans laquelle ladite bande métallique (210) comporte, à l'une de ses extrémités, un alvéole de réception (201) d'une broche d'une fiche électrique. 10. Automatic connection terminal (200) according to one of claims 1 to 9, wherein said metal strip (210) comprises, at one of its ends, a reception cell (201) of a pin of an electrical plug.
11. Borne de connexion (100) automatique selon l'une des revendications 1 à 9, dans laquelle une broche de terre (101) est sertie à ladite bande métallique (110). 11. Connection terminal (100) automatic according to one of claims 1 to 9, wherein a ground pin (101) is crimped to said metal strip (110).
12. Borne de connexion (100 ; 200 ; 300) automatique selon l'une des revendications 1 à 11 , dans laquelle il est prévu une autre ouverture (114 ; 214 ; 314) ménagée au niveau du pont (113 ; 213 ; 313) de manière à laisser passer un autre fil conducteur (1) dans un autre lieu d'insertion (Ll ; L2 ; L3) dont une partie est situé entre la lame ressort (120 ; 220 ; 320) et la deuxième partie (112 ; 212 ; 312) de la bande métallique (110 ; 210 ; 310), ladite lame ressort (120 ; 220 ; 320) étant adaptée à serrer contre ledit bossage (112A ; 212A ; 312A) cet autre fil conducteur (1) lorsque celui-ci est introduit dans la borne de connexion (100 ; 200 ; 300), ladite bande métallique (110 ; 210 ; 310) formant, en regard de ladite deuxième partie (112 ; 212 ; 312) de la bande métallique (110 ; 210 ; 310), une autre paroi (130 ; 230 ; 330) qui s'étend au moins partiellement dans l'autre lieu d'insertion (Ll ; L2 ; L3) de l'autre fil conducteur (1). 12. Connection terminal (100; 200; 300) automatic according to one of claims 1 to 11, wherein there is provided another opening (114; 214; 314) formed at the level of the bridge (113; 213; 313) so as to allow another conductive wire (1) to pass through another insertion site (L1; L2; L3), part of which is located between the leaf spring (120; 220; 320) and the second part (112; 212 312) of the metal strip (110; 210; 310), said leaf spring (120; 220; 320) being adapted to clamp against said boss (112A; 212A; 312A) this other conductive wire (1) when the latter is introduced into the connection terminal (100; 200; 300), said metal strip (110; 210; 310) forming, facing said second part (112; 212; 312) of the metal strip (110; 210; 310 ), another wall (130; 230; 330) which extends at least partially into the other place of insertion (L1; L2; L3) of the other conductive wire (1).
13. Borne de connexion (100 ; 200) automatique selon la revendication 12, dans laquelle chacune desdites parois (130 ; 230) formées par ladite bande métallique (110 ; 210) est reliée à une cloison (133 ; 231) qui sépare les lieux d'insertion (Ll ; L2) des deux fils conducteurs (1). 13. Connection terminal (100; 200) automatic according to claim 12, wherein each of said walls (130; 230) formed by said metal strip (110; 210) is connected to a partition (133; 231) which separates the places insertion (L1; L2) of the two conducting wires (1).
14. Borne de connexion (100) automatique selon l'une des revendications 12 et 13, dans laquelle il est prévu, au niveau de la partie du bord de chaque ouverture (114) la plus proche de l'autre ouverture (114), une languette (117) qui s'élève sensiblement perpendiculairement à ladite bande métallique (110), vers l'intérieur de la borne de connexion (100). 14. Automatic connection terminal (100) according to one of claims 12 and 13, in which it is provided, at the level of the part of the edge of each opening (114) closest to the other opening (114), a tab (117) which rises substantially perpendicular to said metal strip (110), towards the inside of the connection terminal (100).
15. Mécanisme d'appareillage électrique comportant au moins une borne de connexion (100 ; 200 ; 300) automatique selon l'une des revendications précédentes. 16. Mécanisme d'appareillage électrique selon la revendication 15, comportant une borne de connexion (100) selon la revendication 14, dans lequel il est prévu un socle (410) muni d'une paire de conduits d'insertion (412) donnant accès aux deux ouvertures (114) de ladite borne de connexion (100), chaque conduit d'insertion (412) comportant, sur une face interne (413), une nervure (414) qui s'étend vers l'intérieur du conduit d'insertion (412), la nervure de chaque conduit d'insertion (412) et la languette (117) de l'ouverture (114) associée à ce conduit d'insertion (412) étant disposées de part et d'autre de l'axe longitudinal (Y) de ce conduit et dans le plan contenant les deux axes longitudinaux (Y) des deux conduits d'insertion (412). 15. Electrical equipment mechanism comprising at least one automatic connection terminal (100; 200; 300) according to one of the preceding claims. 16. Electrical equipment mechanism according to claim 15, comprising a connection terminal (100) according to claim 14, in which there is provided a base (410) provided with a pair of insertion ducts (412) giving access to the two openings (114) of said connection terminal (100), each insertion conduit (412) comprising, on an internal face (413), a rib (414) which extends towards the inside of the conduit insertion (412), the rib of each insertion duct (412) and the tongue (117) of the opening (114) associated with this insertion duct (412) being arranged on either side of the longitudinal axis (Y) of this duct and in the plane containing the two longitudinal axes (Y) of the two insertion ducts (412).
PCT/EP2022/070654 2021-08-04 2022-07-22 Automatic connection terminal comprising two contact zones and associated switchgear mechanism WO2023011946A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202280054193.1A CN117795779A (en) 2021-08-04 2022-07-22 Automatic connection terminal comprising two contact areas and related electrical equipment mechanism
KR1020247007150A KR20240039035A (en) 2021-08-04 2022-07-22 Automatic connection terminal and associated switchgear device with two contact zones
EP22757243.5A EP4381567A1 (en) 2021-08-04 2022-07-22 Automatic connection terminal comprising two contact zones and associated switchgear mechanism

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2108475A FR3126072B1 (en) 2021-08-04 2021-08-04 Automatic connection terminal comprising two contact zones and associated electrical equipment mechanism
FRFR2108475 2021-08-04

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WO2023011946A1 true WO2023011946A1 (en) 2023-02-09

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PCT/EP2022/070654 WO2023011946A1 (en) 2021-08-04 2022-07-22 Automatic connection terminal comprising two contact zones and associated switchgear mechanism

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EP (1) EP4381567A1 (en)
KR (1) KR20240039035A (en)
CN (1) CN117795779A (en)
FR (1) FR3126072B1 (en)
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2466689A1 (en) * 2010-12-15 2012-06-20 BJB GmbH & Co. KG Clamp contact
EP3012918A1 (en) * 2014-10-22 2016-04-27 Simon, S.A.U. Quick-connection terminal device for electrical connections

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2466689A1 (en) * 2010-12-15 2012-06-20 BJB GmbH & Co. KG Clamp contact
EP3012918A1 (en) * 2014-10-22 2016-04-27 Simon, S.A.U. Quick-connection terminal device for electrical connections

Also Published As

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FR3126072A1 (en) 2023-02-10
FR3126072B1 (en) 2023-12-22
CN117795779A (en) 2024-03-29
EP4381567A1 (en) 2024-06-12
KR20240039035A (en) 2024-03-26

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