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EP3304648B1 - Metal clip for electrically connecting a conductive wire to a metal element - Google Patents

Metal clip for electrically connecting a conductive wire to a metal element Download PDF

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Publication number
EP3304648B1
EP3304648B1 EP16733160.2A EP16733160A EP3304648B1 EP 3304648 B1 EP3304648 B1 EP 3304648B1 EP 16733160 A EP16733160 A EP 16733160A EP 3304648 B1 EP3304648 B1 EP 3304648B1
Authority
EP
European Patent Office
Prior art keywords
wing
conductive wire
metal clip
clip
metal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16733160.2A
Other languages
German (de)
French (fr)
Other versions
EP3304648A1 (en
Inventor
Nicolas Bernard
Norman Philipp
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
A Raymond SARL
Original Assignee
A Raymond SARL
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 A Raymond SARL filed Critical A Raymond SARL
Priority to PL16733160T priority Critical patent/PL3304648T3/en
Publication of EP3304648A1 publication Critical patent/EP3304648A1/en
Application granted granted Critical
Publication of EP3304648B1 publication Critical patent/EP3304648B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/22—End pieces terminating in a spring clip
    • 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
    • H01R4/58—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 characterised by the form or material of the contacting members
    • H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
    • H01R4/646—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail for cables or flexible cylindrical bodies
    • 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
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
    • H01R4/2437—Curved plates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/36—Conductive members located under tip of screw
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/4819—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end the spring shape allowing insertion of the conductor end when the spring is unbiased
    • H01R4/4821—Single-blade spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4846—Busbar details
    • H01R4/4848—Busbar integrally formed with the spring

Definitions

  • the invention relates to a metal clip for electrically connecting a conductive wire to a flat metal element.
  • FR 2,694,141 an earthing clip formed of a S-shaped one-piece metal plate so as to define two elastically-deformable slots facing away from each other and separated by a wall.
  • a slot is intended to be engaged on a flat metal support, the other to receive the ground wire.
  • the walls of this earthing clip have cutouts folded towards the inside of each slot in order to protrude therefrom and to form knives capable of cutting the insulating sheath of the earth wire. to an adequate depth to ensure electrical contact between the ground wire and the grounding clip.
  • the orientation of the slots and knives requires sliding a segment of the ground wire in translation in the slot to cut the insulating sheath and form the electrical contact. This operation is not easy to perform manually, especially when the free space around the clip and the flat metal support is restricted or confined.
  • the ground wire is held and oriented in a plane substantially parallel to the metal support and in the longitudinal direction of the clip. It is essentially maintained by the elastic deformation of the slot in which it is inserted. The ground wire is thus not reliably secured to the earthing clip from which it can easily disengage, by sliding.
  • the document EP2528166 discloses another known metal clip of electrical connection, wherein the conductive wire is held in a direction perpendicular to the plane defined by the support. It allows in a single operation to engage the clip on the support and, at the same time, forming the electrical contact with the lead. This characteristic is not always advantageous and it would sometimes be preferable to be able to perform these two steps independently.
  • the document FR 2,694,141 describes the features of the preamble of claim 1.
  • An object of the invention is therefore to provide a metal clip of electrical connection for securely and easily fasten a conductive wire.
  • the subject of the invention proposes a metallic clip for electrically connecting a conductive wire to a flat metal element, according to claim 1, the metal clip having an S-shaped cross-section and being formed of three wings, a first wing and a second wing defining a first longitudinal housing to allow the attachment of the metal clip to an edge of the flat metal element, the second wing and the third wing defining a second longitudinal housing.
  • the second housing is provided with connection means for receiving the end of the conductor wire and for maintaining electrical contact between the conductive wire and the metal clip.
  • a metal clip 1 of electrical connection is constituted by a metal plate curved in S and thus having a cross section in S.
  • the term "wing" is used to designate each of the three substantially flat portions of the metal plate defining this S-shape.
  • This housing is intended to be engaged on an edge of a flat metal element to which it is desired to electrically connect a conductive wire.
  • the distance separating the first wing 2a and the second wing 2b, defined by the dimensions of the first curved zone, is chosen to correspond substantially to the thickness of the flat metal element.
  • the elastic deformation of the first curved zone ensures the maintenance of the metal clip 1 on the flat metal element and their electrical contact.
  • the pressing force exerted by the elastic pin 4 contributes to firmly hold the metal clip on the flat metal element.
  • the low penetration of the end of this elastic lug 4 in the metal element by scratch effect during its engagement promotes electrical contact.
  • a cut is made on each of the two lateral edges of the first wing 2a and the second wing 2b, in order to delimit four elastic lugs 4, the lugs 4 of the first wing 2a being placed opposite the lugs 4 of the second wing 2b.
  • the second wing 2b is integral with a third wing 2c, via a second curved zone positioning these two wings 2b, 2c vis-à-vis, and thus defining a second longitudinal housing 3b.
  • this second housing 3b is provided with connection means for receiving the end of a conductive wire that is to be electrically connected to the flat metal element. These means are configured to receive the end of the conductor wire and maintain the electrical contact between the conductive wire and the metal clip 1.
  • the solution proposed by the invention is advantageous for two reasons.
  • it is easier, during a manually performed connection operation, to bring the end of the conductive wire, by moving it along its main axis, in the connection means, than to slide a section. of this yarn in translation in a housing, and in a direction perpendicular to the main axis of the yarn, as is the case in the first document of the state of the art presented in the preamble.
  • the invention makes it possible to separate the engagement of the first housing 3a from the metal clip 1 on the flat metal element of the connection. electrical conductor wire connection means. This feature may be an advantage when the free space around the clip and the flat metal member is restricted or confined.
  • connection means are arranged to receive and maintain the end of the conductive wire when it is oriented, opposite the metal clip 1, in a direction having a transverse component.
  • it may be a direction having an angle of +/- 60 ° vis-à-vis the transverse direction of the clip, and preferably an angle of +/- 30 ° with respect to this direction.
  • the end of the conductor wire is introduced into the connection means in a direction from the opening to the bottom of the second housing 3b.
  • the pinch pin 5 and the guided opening 6 are arranged on the third wing 2c to allow the introduction of the conductive wire towards the bottom of the second housing 3b.
  • the bottom of the housing 3b may be provided with a release opening 7 allowing the conductive wire to protrude from the metal clip 1 and allowing its possible subsequent extraction.
  • the metal clip 1 is assembled to the flat metal member by engaging the first housing 3a on an outer edge thereof.
  • the engagement of the clip can be done manually or with the aid of a tool, such as a hammer for example.
  • the lugs 4 exert a bearing force on the flat metal element and, by scratch effect, their ends penetrate into the material of this metal element which contributes to establishing the electrical contact.
  • a second step represented on the figure 1d , the stripped end of a conductive wire is introduced manually into the guided opening 6.
  • This opening is configured to guide the advancement of the conductive wire in the direction of the pinch pin 5.
  • the advancement of the conductive wire leads to raising this lug allowing the progression of the stripped portion of the wire towards the bottom of the housing.
  • the conductive wire can continue its progression, for example until the insulating sheath comes into abutment with the guided opening 6 as shown in Figure 1c.
  • the stripped portion of the conductor wire is kept in electrical contact with the metal clip 1 by pinching the pin 5.
  • the slight penetration of the pinch pin in the conductive wire prevents the extraction of this wire driver. Accordingly, the disengagement of the wire from the metal clip 1 requires cutting the wire, for example using a cutting pliers, at the guided opening 6, to allow the extraction of the segment of the residual wire to through the opening clearance 7.
  • This first embodiment is advantageous in that it allows the conductive wire to be connected to the flat metal element without the need for tools.
  • the metal clip 1 according to this first embodiment consists of a single metal part, which makes its manufacture particularly simple.
  • the three other embodiments of the invention which follow are distinguished from the first embodiment in that the connecting means of the metal clip 1 consist of an additional piece for fixing the conductive wire, placed in the second housing 3b.
  • the fixing piece of the conductive wire is constituted by a nut 9.
  • the wings 2a, 2b, 2c are each provided with an opening 8a, 8b, 8c facing each other allowing the passage of a screw 9 ' , and of which only the opening 8c of the wing 2c is visible on the figure 2a .
  • the nut 9 may be formed of a cylindrical threaded bore 9a, configured to cooperate with the screw 9 ', and a crushing collar 9b.
  • the cylindrical bore 9a protrudes from the opening 8c of the third wing 2c.
  • At least a portion of the free edges of the third wing 2c is folded inwardly of the second housing 3b thus forming a stop for the crush collar to block the rotation of the nut 9 during the introduction of the screw 9 '.
  • FIGS. 2b to 2e illustrate the use of the metal clip 1 of electrical connection of the second embodiment.
  • the metal clip 1 is attached to the flat metal member.
  • the element planar metal is provided with a passage opening of a screw and the clip 1 mounted to align this opening to the openings 8a, 8b, 8c.
  • the screw 9 is inserted into the metal clip 1 which leads to clearing a free space in the second housing 3b between the nut 9 and the second wing 2b.
  • the screw can be partially screwed on the nut 9.
  • the stripped end of the conductor wire can then be introduced into the free space of the second housing 3b.
  • This second embodiment is advantageous in that it makes it easy to disconnect the conductive wire from the metal clip 1 by simply unscrewing the screw 9 '.
  • the wire fixing part is formed of a projecting piece 10 through an opening 8c formed on the third wing 2c.
  • the protruding part 10 is provided with a lateral opening 11 for receiving the end of the conductive wire when it is oriented, opposite the metal clip 1, in a direction having a transverse component.
  • the protruding part 10 can be moved so as to allow the pinching of the conductive wire between the contour of the opening 11 and a surface of the third wing 2c.
  • At least a portion of the contour of the lateral opening 11 of the protruding part 10 is sharpened to form a blade 12 for cutting the insulating sheath of the conductive wire and the electrical contact of the conductive wire and the metal clip 1 .
  • the projecting piece has two L-shaped flanks 14a, 14b integral with an upper part of the projecting piece 10 at the elastically deformable connection levels. These two flanks 14a, 14b are forced against the edges of the cutout forming the opening 8c, which keeps the projecting piece 10 in position.
  • the projecting piece 10 can be moved in a direction of depression perpendicular to the plane defined by the third wing 2c, to place it in a locking position.
  • the blocking of the protruding part 10 can be improved in this electrical contact position by means of surface patterns 15, such as ribs, formed on the sidewalls 14a, 14b of the projecting piece 10 for housing the protruding edges of the cutout forming the opening 8c.
  • the Figures 3b to 3e illustrate the use of the metal clip 1 of electrical connection of the third embodiment.
  • the metal clip 1 is attached to the flat metal element, as shown in FIG. figure 3b .
  • a second step represented on the figure 3c and 3d the end of the conductive wire, which may or may not be stripped, is introduced into the opening 11 of the projecting piece 10.
  • the protruding part 10 is moved in the driving direction, manually or with the aid of a tool such as a screwdriver or a hammer, and placed in the locking position by means of the elastic support of the flanks 14a, 14b on the edges of the cutout forming the opening 8c, and possibly by housing the projecting edges of the cutout forming the opening 8a in the patterns 15 formed on the sidewalls 14a, 14b.
  • a tool such as a screwdriver or a hammer
  • the blade 12 cuts the insulating sheath of the conductive wire and comes into electrical contact with this wire.
  • the fourth embodiment of the invention forms a variant of the third embodiment which has just been presented.
  • the projecting piece 10 has a circular section allowing it to move in rotation in the housing 3b.
  • the protruding part 10 is provided with an imprint on its upper part allowing the positioning of a screwdriver or a similar tool.
  • An abutment device 13 makes it possible to limit the rotation of the projecting piece between a position of insertion of the wire and a blocking position.
  • the lateral opening 11 is oblong in shape, ramp. Its dimension is sufficient to receive the end of the conductive wire when it is oriented, opposite the metal clip 1, in a direction having a transverse component and when the projecting piece 10 is oriented in its insertion position.
  • the metal clip 1 is attached to the flat metal element, as shown in FIG. figure 4b .
  • the protruding portion 10 is advantageously oriented in an insertion position for bringing the end of the conductive wire to the metal clip 1 and to place it in the lateral opening 11 oblong ramp.
  • the protruding part 10 is rotated by means of a tool, to place it in the locking position. This rotation causes the insulation sheath to be cut through the blade 12 formed on the ramp of the lateral opening 11, and the electrical contact of the conductive wire with the metal clip 1.
  • the metal fastening clip 1 is easily achievable from a sheet or flat and thin plate of metal, by stamping, folding and / or cutting operations.
  • the clip, once produced, can be subjected to heat treatments to enhance its mechanical characteristics and undergo surface treatments.

Landscapes

  • Clamps And Clips (AREA)
  • Multi-Conductor Connections (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Description

DOMAINE DE L'INVENTIONFIELD OF THE INVENTION

L'invention concerne un clip métallique de connexion électrique d'un fil conducteur à un élément métallique plan.The invention relates to a metal clip for electrically connecting a conductive wire to a flat metal element.

ARRIERE PLAN TECHNOLOGIQUE DE L'INVENTIONBACKGROUND OF THE INVENTION

On connaît de FR 2 694 141 un clip de mise à la terre formée d'une plaque métallique monobloc courbée en S de manière à définir deux fentes élastiquement déformables orientées à l'opposé l'une de l'autre et séparées par une paroi. Une fente est destinée à être engagée sur un support métallique plan, l'autre à recevoir le fil de terre. Pour éviter l'opération de dénudage, les parois de ce clip de mise à la terre comporte des découpes pliées vers l'intérieur de chaque fente afin d'y faire saillie et de former des couteaux aptes à couper la gaine isolante du fil de terre sur une profondeur adéquate pour garantir le contact électrique entre le fil de terre et le clip de mise à la terre.We know FR 2,694,141 an earthing clip formed of a S-shaped one-piece metal plate so as to define two elastically-deformable slots facing away from each other and separated by a wall. A slot is intended to be engaged on a flat metal support, the other to receive the ground wire. To avoid the stripping operation, the walls of this earthing clip have cutouts folded towards the inside of each slot in order to protrude therefrom and to form knives capable of cutting the insulating sheath of the earth wire. to an adequate depth to ensure electrical contact between the ground wire and the grounding clip.

L'orientation des fentes et des couteaux nécessite de faire glisser un segment du fil de terre en translation dans la fente pour couper la gaine isolante et former le contact électrique. Cette opération n'est pas aisée à réaliser manuellement, en particulier lorsque l'espace libre autour du clip et du support métallique plan est restreint ou confiné.The orientation of the slots and knives requires sliding a segment of the ground wire in translation in the slot to cut the insulating sheath and form the electrical contact. This operation is not easy to perform manually, especially when the free space around the clip and the flat metal support is restricted or confined.

Une fois le clip de mise à la terre installé avec le fil de terre sur le support métallique, le fil de terre est maintenu et orienté dans un plan sensiblement parallèle au support métallique et selon la direction longitudinale du clip. Il est essentiellement maintenu par la déformation élastique de la fente dans lequel il est inséré. Le fil de terre n'est ainsi pas sécurisé de manière fiable sur le clip de mise à la terre duquel il peut se désolidariser aisément, par glissement.Once the grounding clip is installed with the ground wire on the metal support, the ground wire is held and oriented in a plane substantially parallel to the metal support and in the longitudinal direction of the clip. It is essentially maintained by the elastic deformation of the slot in which it is inserted. The ground wire is thus not reliably secured to the earthing clip from which it can easily disengage, by sliding.

Le document EP2528166 divulgue un autre clip métallique connu de connexion électrique, dans lequel le fil conducteur est maintenu dans une direction perpendiculaire au plan défini par le support. Il permet en une seule opération d'engager le clip sur le support et, dans le même temps, former le contact électrique avec le fil conducteur. Cette caractéristique n'est pas toujours avantageuse et il serait parfois préférable de pouvoir réaliser ces deux étapes de manière indépendante. Le document FR 2 694 141 décrit les caractéristiques du préambule de la revendication 1.The document EP2528166 discloses another known metal clip of electrical connection, wherein the conductive wire is held in a direction perpendicular to the plane defined by the support. It allows in a single operation to engage the clip on the support and, at the same time, forming the electrical contact with the lead. This characteristic is not always advantageous and it would sometimes be preferable to be able to perform these two steps independently. The document FR 2,694,141 describes the features of the preamble of claim 1.

OBJET DE L'INVENTIONOBJECT OF THE INVENTION

Un but de l'invention est donc de proposer un clip métallique de connexion électrique permettant de solidariser de manière fiable et aisée un fil conducteur.An object of the invention is therefore to provide a metal clip of electrical connection for securely and easily fasten a conductive wire.

BREVE DESCRIPTION DE L'INVENTIONBRIEF DESCRIPTION OF THE INVENTION

En vue de la réalisation de ce but, l'objet de l'invention propose un clip métallique de connexion électrique d'un fil conducteur à un élément métallique plan, selon la revendication 1, le clip métallique présentant une section transversale en S et étant formé de trois ailes, une première aile et une deuxième aile définissant un premier logement longitudinal pour permettre la fixation du clip métallique à un bord de l'élément métallique plan, la deuxième aile et la troisième aile définissant un second logement longitudinal. Selon l'invention le second logement est muni de moyens de connexion pour recevoir l'extrémité du fil conducteur et pour maintenir un contact électrique entre le fil conducteur et le clip métallique.With a view to achieving this object, the subject of the invention proposes a metallic clip for electrically connecting a conductive wire to a flat metal element, according to claim 1, the metal clip having an S-shaped cross-section and being formed of three wings, a first wing and a second wing defining a first longitudinal housing to allow the attachment of the metal clip to an edge of the flat metal element, the second wing and the third wing defining a second longitudinal housing. According to the invention the second housing is provided with connection means for receiving the end of the conductor wire and for maintaining electrical contact between the conductive wire and the metal clip.

D'autres caractéristiques avantageuses et non limitatives de l'invention, prises seules ou en combinaison sont décrites dans les revendications dépendantes.Other advantageous and non-limiting features of the invention, taken alone or in combination are described in the dependent claims.

BREVE DESCRIPTION DES DESSINSBRIEF DESCRIPTION OF THE DRAWINGS

L'invention sera mieux comprise à la lumière de la description qui suit des modes de réalisation particuliers et non limitatifs de l'invention en référence aux figures ci-jointes parmi lesquelles :

  • les figures 1a, 2a, 3a et 4a représentent quatre modes de réalisation de l'invention ;
  • les figures 1b à le illustrent l'utilisation du clip métallique 1 de connexion électrique du premier mode de réalisation ;
  • les figures 2b à 2e illustrent l'utilisation du clip métallique 1 de connexion électrique du deuxième mode de réalisation ;
  • les figures 3b à 3e illustrent l'utilisation du clip métallique 1 de connexion électrique du troisième mode de réalisation ;
  • les figures 4b à 4e illustrent l'utilisation du clip métallique 1 de connexion électrique du quatrième mode de réalisation ;
The invention will be better understood in the light of the following description of the particular and nonlimiting embodiments of the invention with reference to the attached figures among which:
  • the figures 1a , 2a , 3a and 4a represent four embodiments of the invention;
  • the figures 1b as illustrated by the use of the metal clip 1 of electrical connection of the first embodiment;
  • the Figures 2b to 2e illustrate the use of the metal clip 1 of electrical connection of the second embodiment;
  • the Figures 3b to 3e illustrate the use of the metal clip 1 of electrical connection of the third embodiment;
  • the Figures 4b to 4e illustrate the use of the electrical connection clip 1 of the fourth embodiment;

DESCRIPTION DETAILLEE DE L'INVENTIONDETAILED DESCRIPTION OF THE INVENTION

Par souci de simplification de la description à venir, les mêmes références sont utilisées pour des éléments identiques ou assurant la même fonction dans les différents modes de réalisation de l'invention.For the sake of simplification of the description to come, the same references are used for identical elements or ensuring the same function in the various embodiments of the invention.

Un clip métallique 1 de connexion électrique conforme à l'invention, comme cela est apparent sur chacun des modes de réalisation représentés sur les figures 1a, 2a, 3a, et 4a, est constitué d'une plaque métallique courbée en S et présentant donc une section transversale en S. On désigne par le terme « aile » chacune des trois portions essentiellement planes de la plaque métallique définissant cette forme en S.A metal clip 1 of electrical connection according to the invention, as is apparent on each of the embodiments shown in the drawings. figures 1a , 2a , 3a , and 4a , is constituted by a metal plate curved in S and thus having a cross section in S. The term "wing" is used to designate each of the three substantially flat portions of the metal plate defining this S-shape.

Par souci de clarté, on a représenté sur la figure 1a, l'axe ou la direction longitudinale, marqué L, et l'axe ou la direction transversale, marqué T. Ces définitions s'appliquent bien entendu à toutes les autres figures annexées.For the sake of clarity, we have shown on the figure 1a , the axis or the longitudinal direction, marked L, and the axis or the transverse direction, marked T. These definitions apply of course to all other appended figures.

Une première aile 2a et une deuxième aile 2b, solidaires au niveau d'une première zone courbée qui les positionne en vis-à-vis, définissent un premier logement longitudinal 3a. Ce logement est destiné à être engagé sur un bord d'un élément métallique plan auquel on souhaite connecter électriquement un fil conducteur. À cet effet, la distance séparant la première aile 2a et la deuxième aile 2b, définie par les dimensions de la première zone courbée, est choisie pour sensiblement correspondre à l'épaisseur de l'élément métallique plan.A first wing 2a and a second wing 2b, integral at a first curved area which positions them vis-à-vis, define a first longitudinal housing 3a. This housing is intended to be engaged on an edge of a flat metal element to which it is desired to electrically connect a conductive wire. For this purpose, the distance separating the first wing 2a and the second wing 2b, defined by the dimensions of the first curved zone, is chosen to correspond substantially to the thickness of the flat metal element.

La déformation élastique de la première zone courbée assure le maintien du clip métallique 1 sur l'élément métallique plan et leur mise en contact électrique. Pour améliorer ce contact électrique, on peut prévoir de former sur la première aile 2a et/ou sur la deuxième aile 2b une découpe ou une pluralité de découpes permettant de délimiter un ou plusieurs ergots élastiques 4 orientés vers l'intérieur du premier logement 3a. La force d'appui exercé par l'ergot élastique 4 contribue à maintenir fermement le clip métallique sur l'élément métallique plan. La faible pénétration de l'extrémité de cet ergot élastique 4 dans l'élément métallique par effet de griffure lors de son engagement favorise le contact électrique.The elastic deformation of the first curved zone ensures the maintenance of the metal clip 1 on the flat metal element and their electrical contact. To improve this electrical contact, it is possible to train on the first wing 2a and / or on the second wing 2b a cutout or a plurality of cutouts for delimiting one or more elastic pins 4 facing inwardly of the first housing 3a. The pressing force exerted by the elastic pin 4 contributes to firmly hold the metal clip on the flat metal element. The low penetration of the end of this elastic lug 4 in the metal element by scratch effect during its engagement promotes electrical contact.

Préférentiellement, une découpe est réalisée sur chacun des deux bords latéraux de la première aile 2a et de la deuxième aile 2b, afin de délimiter quatre ergots élastiques 4, les ergots 4 de la première aile 2a étant placés en vis-à-vis des ergots 4 de la deuxième aile 2b.Preferably, a cut is made on each of the two lateral edges of the first wing 2a and the second wing 2b, in order to delimit four elastic lugs 4, the lugs 4 of the first wing 2a being placed opposite the lugs 4 of the second wing 2b.

La deuxième aile 2b est solidaire d'une troisième aile 2c, par l'intermédiaire d'une seconde zone courbée positionnant ces deux ailes 2b, 2c en vis-à-vis, et définissant ainsi un second logement longitudinal 3b.The second wing 2b is integral with a third wing 2c, via a second curved zone positioning these two wings 2b, 2c vis-à-vis, and thus defining a second longitudinal housing 3b.

Selon l'invention, ce second logement 3b est muni de moyens de connexion pour recevoir l'extrémité d'un fil conducteur que l'on désire raccorder électriquement à l'élément métallique plan. Ces moyens sont configurés pour recevoir l'extrémité du fil conducteur et assurer le maintien du contact électrique entre le fil conducteur et le clip métallique 1.According to the invention, this second housing 3b is provided with connection means for receiving the end of a conductive wire that is to be electrically connected to the flat metal element. These means are configured to receive the end of the conductor wire and maintain the electrical contact between the conductive wire and the metal clip 1.

La solution proposée par l'invention est avantageuse pour deux raisons. En premier lieu, il est plus aisé, au cours d'une opération de connexion réalisée manuellement, d'amener l'extrémité du fil conducteur, en le déplaçant selon son axe principal, dans les moyens de connexion, que de faire glisser une section de ce fil en translation dans un logement, et selon une direction perpendiculaire à l'axe principal du fil, comme cela est le cas dans le premier document de l'état de la technique présenté en préambule. En second lieu, l'invention permet de dissocier l'engagement du premier logement 3a du clip métallique 1 sur l'élément métallique plan du raccordement électrique du fil conducteur aux moyens de connexion. Cette caractéristique peut constituer un avantage lorsque l'espace libre autour du clip et de l'élément métallique plan est restreint ou confiné.The solution proposed by the invention is advantageous for two reasons. In the first place, it is easier, during a manually performed connection operation, to bring the end of the conductive wire, by moving it along its main axis, in the connection means, than to slide a section. of this yarn in translation in a housing, and in a direction perpendicular to the main axis of the yarn, as is the case in the first document of the state of the art presented in the preamble. In the second place, the invention makes it possible to separate the engagement of the first housing 3a from the metal clip 1 on the flat metal element of the connection. electrical conductor wire connection means. This feature may be an advantage when the free space around the clip and the flat metal member is restricted or confined.

Préférentiellement, les moyens de connexion sont agencés pour recevoir et maintenir l'extrémité du fil conducteur lorsque celui-ci est orienté, vis à vis du clip métallique 1, selon une direction présentant une composante transversale. Ainsi, il pourra s'agir d'une direction présentant un angle de +/-60° vis-à-vis de la direction transversale du clip, et de préférence un angle de +/- 30° vis à vis de cette direction.Preferably, the connection means are arranged to receive and maintain the end of the conductive wire when it is oriented, opposite the metal clip 1, in a direction having a transverse component. Thus, it may be a direction having an angle of +/- 60 ° vis-à-vis the transverse direction of the clip, and preferably an angle of +/- 30 ° with respect to this direction.

Avantageusement, l'extrémité du fil conducteur est introduite dans les moyens de connexion selon un sens allant de l'ouverture vers le fond du second logement 3b.Advantageously, the end of the conductor wire is introduced into the connection means in a direction from the opening to the bottom of the second housing 3b.

La figure 1 présente un premier mode de réalisation de l'invention selon lequel les moyens de connexion comprennent :

  • un ergot de pincement 5 formé par découpe dans la troisième aile 2c, et orientée vers l'intérieur du second logement 3b, et
  • une ouverture guidée 6 formée dans la troisième aile 2c permettant d'introduire l'extrémité du fil conducteur dans le second logement 3b et de le bloquer entre l'ergot de pincement 5 et la deuxième aile 2b.
The figure 1 presents a first embodiment of the invention according to which the connection means comprise:
  • a pinch pin 5 formed by cutting in the third wing 2c, and oriented towards the inside of the second housing 3b, and
  • a guided opening 6 formed in the third wing 2c for introducing the end of the conductive wire into the second housing 3b and to block it between the pinch pin 5 and the second wing 2b.

Comme cela est représenté sur la figure 1a, l'ergot de pincement 5 et l'ouverture guidée 6 sont agencés sur la troisième aile 2c pour permettre l'introduction du fil conducteur en direction du fond du second logement 3b. Toutefois, il est possible d'agencer ces deux éléments pour permettre l'introduction du fil conducteur en sens inverse.As shown on the figure 1a , the pinch pin 5 and the guided opening 6 are arranged on the third wing 2c to allow the introduction of the conductive wire towards the bottom of the second housing 3b. However, it is possible to arrange these two elements to allow the introduction of the conductive wire in the opposite direction.

Le fond du logement 3b peut être pourvu d'une ouverture de dégagement 7 permettant au fil conducteur de dépasser du clip métallique 1 et permettant son éventuelle extraction ultérieure.The bottom of the housing 3b may be provided with a release opening 7 allowing the conductive wire to protrude from the metal clip 1 and allowing its possible subsequent extraction.

Les figures 1b à le illustrent l'utilisation du clip métallique 1 de connexion électrique du premier mode de réalisation. Dans une première étape, le clip métallique 1 est assemblé à l'élément métallique plan en engageant le premier logement 3a sur un bord extérieur de celui-ci. L'engagement du clip peut être réalisé manuellement ou à l'aide d'un outil, tel qu'un marteau par exemple. Les ergots 4 exercent un effort d'appui sur l'élément métallique plan et, par effet de griffure, leurs extrémités pénètrent dans le matériau de cet élément métallique ce qui contribue à établir le contact électrique.The figures 1b as illustrated by the use of the metal clip 1 of electrical connection of the first embodiment. In a first step, the metal clip 1 is assembled to the flat metal member by engaging the first housing 3a on an outer edge thereof. The engagement of the clip can be done manually or with the aid of a tool, such as a hammer for example. The lugs 4 exert a bearing force on the flat metal element and, by scratch effect, their ends penetrate into the material of this metal element which contributes to establishing the electrical contact.

Dans une seconde étape, représentée sur la figure 1d, l'extrémité dénudée d'un fil conducteur est introduite manuellement dans l'ouverture guidée 6. Cette ouverture est configurée pour guider l'avancement du fil conducteur en direction de l'ergot de pincement 5. L'avancement du fil conducteur conduit au soulèvement de cet ergot permettant la progression de la partie dénudée du fil vers le fond du logement. Lorsque celui-ci est muni d'une ouverture de dégagement 7, le fil conducteur peut poursuivre sa progression, par exemple jusqu'à ce que la gaine isolante vienne en butée de l'ouverture guidée 6 comme cela est représenté sur la figure le.In a second step, represented on the figure 1d , the stripped end of a conductive wire is introduced manually into the guided opening 6. This opening is configured to guide the advancement of the conductive wire in the direction of the pinch pin 5. The advancement of the conductive wire leads to raising this lug allowing the progression of the stripped portion of the wire towards the bottom of the housing. When it is provided with a release opening 7, the conductive wire can continue its progression, for example until the insulating sheath comes into abutment with the guided opening 6 as shown in Figure 1c.

Une fois positionnée, la partie dénudée du fil conducteur est maintenue en contact électrique avec le clip métallique 1 par effet de pincement de l'ergot 5. La légère pénétration de l'ergot de pincement dans le fil conducteur empêche l'extraction de ce fil conducteur. En conséquence, le désengagement du fil conducteur du clip métallique 1 nécessite de couper ce fil, par exemple l'aide d'une pince coupante, au niveau de l'ouverture guidée 6, afin de permettre l'extraction du segment du fil résiduel à travers l'ouverture dégagement 7.Once positioned, the stripped portion of the conductor wire is kept in electrical contact with the metal clip 1 by pinching the pin 5. The slight penetration of the pinch pin in the conductive wire prevents the extraction of this wire driver. Accordingly, the disengagement of the wire from the metal clip 1 requires cutting the wire, for example using a cutting pliers, at the guided opening 6, to allow the extraction of the segment of the residual wire to through the opening clearance 7.

Ce premier mode de réalisation est avantageux en ce qu'il permet de connecter le fil conducteur à l'élément métallique plan sans nécessiter d'outillage. De plus, le clip métallique 1 selon ce premier mode de réalisation est constitué d'une unique pièce métallique, ce qui rend sa fabrication particulièrement simple.This first embodiment is advantageous in that it allows the conductive wire to be connected to the flat metal element without the need for tools. In addition, the metal clip 1 according to this first embodiment consists of a single metal part, which makes its manufacture particularly simple.

Les trois autres modes de réalisation de l'invention qui suivent se distinguent du premier mode en ce que les moyens de connexion du clip métallique 1 sont constitués d'une pièce additionelle de fixation du fil conducteur, placée dans le second logement 3b.The three other embodiments of the invention which follow are distinguished from the first embodiment in that the connecting means of the metal clip 1 consist of an additional piece for fixing the conductive wire, placed in the second housing 3b.

Ainsi, selon le second mode de réalisation de l'invention représentée sur la figure 2a, la pièce de fixation du fil conducteur est constituée d'un écrou 9. Les ailes 2a, 2b, 2c sont chacune munie d'une ouverture 8a, 8b, 8c en regard les unes des autres permettant le passage d'une vis 9', et dont seule l'ouverture 8c de l'aile 2c est visible sur la figure 2a.Thus, according to the second embodiment of the invention shown on the figure 2a , the fixing piece of the conductive wire is constituted by a nut 9. The wings 2a, 2b, 2c are each provided with an opening 8a, 8b, 8c facing each other allowing the passage of a screw 9 ' , and of which only the opening 8c of the wing 2c is visible on the figure 2a .

L'écrou 9 peut être formé d'un alésage cylindrique fileté 9a, configuré pour coopérer avec la vis 9', et d'une collerette d'écrasement 9b.The nut 9 may be formed of a cylindrical threaded bore 9a, configured to cooperate with the screw 9 ', and a crushing collar 9b.

Pour éviter que l'écrou 9 ne s'échappe par glissement du second logement 3b, l'alésage cylindrique 9a déborde de l'ouverture 8c de la troisième aile 2c.To prevent the nut 9 escaping by sliding of the second housing 3b, the cylindrical bore 9a protrudes from the opening 8c of the third wing 2c.

Une partie au moins des bords libres de la troisième aile 2c est repliée vers l'intérieur du second logement 3b formant ainsi une butée pour la collerette d'écrasement afin de bloquer la rotation de l'écrou 9 lors de la mise en place de la vis 9'.At least a portion of the free edges of the third wing 2c is folded inwardly of the second housing 3b thus forming a stop for the crush collar to block the rotation of the nut 9 during the introduction of the screw 9 '.

Les figures 2b à 2e illustrent l'utilisation du clip métallique 1 de connexion électrique du deuxième mode de réalisation. Similairement au premier mode de réalisation, le clip métallique 1 est fixé à l'élément métallique plan. Toutefois, dans ce second mode de réalisation, l'élément métallique plan est muni d'une ouverture de passage d'une vis et le clip 1 monté pour aligner cette ouverture aux ouvertures 8a, 8b, 8c.The Figures 2b to 2e illustrate the use of the metal clip 1 of electrical connection of the second embodiment. Similarly to the first embodiment, the metal clip 1 is attached to the flat metal member. However, in this second embodiment, the element planar metal is provided with a passage opening of a screw and the clip 1 mounted to align this opening to the openings 8a, 8b, 8c.

Dans une seconde étape, représentée sur la figure 2d, la vis 9" est insérée dans le clip métallique 1 ce qui conduit à dégager un espace libre dans le second logement 3b entre l'écrou 9 et la deuxième aile 2b. La vis peut être partiellement vissée sur l'écrou 9. L'extrémité dénudée du fil conducteur peut alors être introduite dans l'espace libre du second logement 3b.In a second step, represented on the figure 2d , the screw 9 "is inserted into the metal clip 1 which leads to clearing a free space in the second housing 3b between the nut 9 and the second wing 2b.The screw can be partially screwed on the nut 9. The stripped end of the conductor wire can then be introduced into the free space of the second housing 3b.

Dans une dernière étape représentée sur la figure 2e, le vissage complet de la vis 9' conduit à faire progresser l'écrou 9 en direction de la deuxième aile 2b pour écraser le fil entre l'écrou 9 (et notamment contre la collerette d'écrasement 9b) et la deuxième aile 2b du clip métallique 1.In a last step represented on the figure 2e , the complete screwing of the screw 9 'leads to advance the nut 9 towards the second flange 2b to crush the wire between the nut 9 (and in particular against the collapse flange 9b) and the second flange 2b of the metal clip 1.

Ce deuxième mode de réalisation est avantageux en ce qu'il permet de facilement déconnecter le fil conducteur du clip métallique 1 par simple dévissage de la vis 9'.This second embodiment is advantageous in that it makes it easy to disconnect the conductive wire from the metal clip 1 by simply unscrewing the screw 9 '.

Les deux autres modes de réalisation de l'invention qui vont être présentés se distinguent des modes précédents, en ce qu'ils peuvent permettre la mise en contact électrique d'un fil conducteur sans que celui-ci n'ait été préalablement dénudé. À cet effet, et comme cela est représenté sur les figures 3a et 4a, la pièce de fixation du fil est formée d'une pièce saillante 10 au travers d'une ouverture 8c formée sur la troisième aile 2c.The two other embodiments of the invention that will be presented are distinguished from the previous modes, in that they can allow the electrical contact of a conductive wire without it having been previously stripped. For this purpose, and as shown on the figures 3a and 4a , the wire fixing part is formed of a projecting piece 10 through an opening 8c formed on the third wing 2c.

La pièce saillante 10 est pourvue d'une ouverture latérale 11 pour recevoir l'extrémité du fil conducteur lorsque celui-ci est orienté, vis à vis du clip métallique 1, selon une direction présentant une composante transversale.The protruding part 10 is provided with a lateral opening 11 for receiving the end of the conductive wire when it is oriented, opposite the metal clip 1, in a direction having a transverse component.

La pièce saillante 10 peut être déplacée de sorte à permettre le pincement du fil conducteur entre le contour de l'ouverture 11 et une surface de la troisième aile 2c.The protruding part 10 can be moved so as to allow the pinching of the conductive wire between the contour of the opening 11 and a surface of the third wing 2c.

Avantageusement, une partie au moins du contour de l'ouverture latérale 11 de la pièce saillante 10 est affûté pour constituer une lame 12 permettant la découpe de la gaine isolante du fil conducteur et la mise en contact électrique du fil conducteur et du clip métallique 1.Advantageously, at least a portion of the contour of the lateral opening 11 of the protruding part 10 is sharpened to form a blade 12 for cutting the insulating sheath of the conductive wire and the electrical contact of the conductive wire and the metal clip 1 .

Dans le troisième mode de réalisation de l'invention représentée sur la figure 3a, la pièce saillante présente deux flanc en L 14a, 14b solidaires d'une partie supérieure de la pièce saillante 10 aux niveaux de liaisons élastiquement déformables. Ces deux flancs 14a, 14b sont en appui forcé sur les bords de la découpe formant l'ouverture 8c, ce qui permet de maintenir la pièce saillante 10 en position. La pièce saillante 10 peut être déplacée selon une direction d'enfoncement perpendiculaire au plan défini par la troisième aile 2c, pour la placer dans une position de blocage. De manière optionnelle et avantageuse, le blocage de la pièce saillante 10 peut être améliorée dans cette position de contact électrique par l'intermédiaire de motifs de surface 15, telle que des nervures, formés sur les flancs 14a, 14b de la pièce saillante 10 pour loger les bords saillant de la découpe formant l'ouverture 8c.In the third embodiment of the invention shown in the figure 3a the projecting piece has two L-shaped flanks 14a, 14b integral with an upper part of the projecting piece 10 at the elastically deformable connection levels. These two flanks 14a, 14b are forced against the edges of the cutout forming the opening 8c, which keeps the projecting piece 10 in position. The projecting piece 10 can be moved in a direction of depression perpendicular to the plane defined by the third wing 2c, to place it in a locking position. Optionally and advantageously, the blocking of the protruding part 10 can be improved in this electrical contact position by means of surface patterns 15, such as ribs, formed on the sidewalls 14a, 14b of the projecting piece 10 for housing the protruding edges of the cutout forming the opening 8c.

Les figures 3b à 3e illustrent l'utilisation du clip métallique 1 de connexion électrique du troisième mode de réalisation.The Figures 3b to 3e illustrate the use of the metal clip 1 of electrical connection of the third embodiment.

Similairement au mode précédent, le clip métallique 1 est fixé à l'élément métallique plan, comme représenté sur la figure 3b. Dans une seconde étape, représentée sur la figure 3c et 3d, l'extrémité du fil conducteur, qui peut être ou non dénudée, est introduite dans l'ouverture 11 de la pièce saillante 10.Similar to the previous mode, the metal clip 1 is attached to the flat metal element, as shown in FIG. figure 3b . In a second step, represented on the figure 3c and 3d the end of the conductive wire, which may or may not be stripped, is introduced into the opening 11 of the projecting piece 10.

Dans une dernière étape, représentée sur la figure 3e, la pièce saillante 10 est déplacée selon la direction d'enfoncement, manuellement ou à l'aide d'un outil tel qu'un tournevis ou un marteau, et placée en position de blocage par l'intermédiaire de l'appui élastique des flancs 14a, 14b sur les bords de la découpe formant l'ouverture 8c, et éventuellement par le logement des bords saillant de la découpe formant l'ouverture 8a dans les motifs 15 formés sur les flancs 14a, 14b.In a last step, represented on the figure 3e the protruding part 10 is moved in the driving direction, manually or with the aid of a tool such as a screwdriver or a hammer, and placed in the locking position by means of the elastic support of the flanks 14a, 14b on the edges of the cutout forming the opening 8c, and possibly by housing the projecting edges of the cutout forming the opening 8a in the patterns 15 formed on the sidewalls 14a, 14b.

Au cours de ce déplacement, la lame 12 découpe la gaine isolante du fil conducteur et entre en contact électrique avec ce fil.During this movement, the blade 12 cuts the insulating sheath of the conductive wire and comes into electrical contact with this wire.

Le quatrième mode de réalisation de l'invention, représentée sur la figure 4a, forme une variante au troisième mode de réalisation qui vient d'être présenté.The fourth embodiment of the invention, represented on the figure 4a , forms a variant of the third embodiment which has just been presented.

Dans ce quatrième de réalisation, la pièce saillante 10 présente une section circulaire permettant son déplacement en rotation dans le logement 3b. À cet effet, la pièce saillante 10 est munie d'une empreinte sur sa partie supérieure permettant le positionnement d'un tournevis ou d'un outil similaire. Un dispositif de buté 13 permet de limiter la rotation de la pièce saillante entre une position d'insertion du fil et une position de blocage.In this fourth embodiment, the projecting piece 10 has a circular section allowing it to move in rotation in the housing 3b. For this purpose, the protruding part 10 is provided with an imprint on its upper part allowing the positioning of a screwdriver or a similar tool. An abutment device 13 makes it possible to limit the rotation of the projecting piece between a position of insertion of the wire and a blocking position.

L'ouverture latérale 11 est de forme oblongue, en rampe. Sa dimension est suffisante pour recevoir l'extrémité du fil conducteur lorsque celui-ci est orienté, vis à vis du clip métallique 1, selon une direction présentant une composante transversale et lorsque la pièce saillante 10 est orientée dans sa position d'insertion.The lateral opening 11 is oblong in shape, ramp. Its dimension is sufficient to receive the end of the conductive wire when it is oriented, opposite the metal clip 1, in a direction having a transverse component and when the projecting piece 10 is oriented in its insertion position.

Les figures 4b à 4e illustrent l'utilisation du clip métallique 1 de connexion électrique du quatrième mode de réalisationThe Figures 4b to 4e illustrate the use of the electrical connection clip 1 of the fourth embodiment

Similairement au mode précédent, le clip métallique 1 est fixé à l'élément métallique plan, comme représenté sur la figure 4b.Similar to the previous mode, the metal clip 1 is attached to the flat metal element, as shown in FIG. figure 4b .

Dans une seconde étape, représentée sur la figure 4c et 4d, la partie saillante 10 est avantageusement orientée dans une position d'insertion permettant d'amener l'extrémité du fil conducteur au clip métallique 1 et de le placer dans l'ouverture latérale 11 oblongue en rampe.In a second step, represented on the Figure 4c and 4d , the protruding portion 10 is advantageously oriented in an insertion position for bringing the end of the conductive wire to the metal clip 1 and to place it in the lateral opening 11 oblong ramp.

Dans une dernière étape représentée sur la figure 4e, la pièce saillante 10 est entraînée en rotation par l'intermédiaire d'un outil, pour la placer en position de blocage. Cette rotation provoque la coupe de la gaine isolante par l'intermédiaire de la lame 12 formée sur la rampe de l'ouverture latérale 11, et la mise en contact électrique du fil conducteur avec le clip métallique 1.In a last step represented on the figure 4e , the protruding part 10 is rotated by means of a tool, to place it in the locking position. This rotation causes the insulation sheath to be cut through the blade 12 formed on the ramp of the lateral opening 11, and the electrical contact of the conductive wire with the metal clip 1.

Le clip métallique 1 de fixation est facilement réalisable à partir d'une feuille ou une plaque plane et mince de métal, par des opérations d'emboutissage, de pliage et/ou de découpe. Le clip, une fois réalisé, peut être soumis à des traitements thermiques pour renforcer ses caractéristiques mécaniques et subir des traitements de surface.The metal fastening clip 1 is easily achievable from a sheet or flat and thin plate of metal, by stamping, folding and / or cutting operations. The clip, once produced, can be subjected to heat treatments to enhance its mechanical characteristics and undergo surface treatments.

Claims (5)

  1. A metal clip (1) for electrically connecting a conductive wire to a planar metal element, the metal clip having an S-shaped cross-section and being composed of three wings (2a, 2b, 2c), a first wing (2a) and a second wing (2b) defining a first longitudinal recess (3a) allowing the metal clip to be attached to an edge of the planar metal element, the second wing (2b) and the third wing (2c) defining a second longitudinal recess (3b), the second recess (3b) being provided with connection means (10) for receiving the end of the conductive wire and for maintaining electrical contact between the conductive wire and the metal clip, with the metal clip (1) being characterized in that the connection means comprise an additional part for attaching the wire (10) in the second recess (3b), with the wire attachment additional part being formed by a part (10) projecting through one opening (8c) provided on the third wing (2c), with the projecting part (10) being provided with a side opening (11) for receiving the end of the conductive wire, with the projecting part (10) being able to move so as to enable the clamping of the conductive wire between the periphery of the opening in the projecting part (10) and one surface of the third wing (2c) .
  2. A metal clip (1) according to the preceding claim, wherein the first wing (2a) and/or the second wing (2b) is/are provided with at least one cut forming an elastic lug (4) facing the inside of the first recess (3a) to improve the attachment of the metal clip (1) to the planar metal element and the electrical contact.
  3. A metal clip (1) according to one of the preceding claims, wherein at least part of the periphery of the side opening (11) of the projecting part (10) is formed with a blade (12) enabling to cut the conductive wire insulating sheath and to create an electrical contact between the conductive wire and the metal clip (1).
  4. A metal clip (1) according to one of the preceding claims, wherein the projecting part (10) is so configured as to be moved in a recessing direction perpendicular to the plane defined by the third wing (2c).
  5. A metal clip (1) according to one of claims 1 to 3, wherein the projecting part (10) is so configured as to be rotationally moved.
EP16733160.2A 2015-06-01 2016-06-01 Metal clip for electrically connecting a conductive wire to a metal element Active EP3304648B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16733160T PL3304648T3 (en) 2015-06-01 2016-06-01 Metal clip for electrically connecting a conductive wire to a metal element

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1554952A FR3036857B1 (en) 2015-06-01 2015-06-01 METAL CLIP FOR THE ELECTRICAL CONNECTION OF A CONDUCTIVE WIRE TO A METALLIC ELEMENT
PCT/FR2016/051303 WO2016193615A1 (en) 2015-06-01 2016-06-01 Metal clip for electrically connecting a conductive wire to a metal element

Publications (2)

Publication Number Publication Date
EP3304648A1 EP3304648A1 (en) 2018-04-11
EP3304648B1 true EP3304648B1 (en) 2019-05-29

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EP16733160.2A Active EP3304648B1 (en) 2015-06-01 2016-06-01 Metal clip for electrically connecting a conductive wire to a metal element

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US (1) US10141662B2 (en)
EP (1) EP3304648B1 (en)
JP (1) JP2018516440A (en)
CN (2) CN206282991U (en)
BR (1) BR112017025829A2 (en)
CA (1) CA2987825C (en)
ES (1) ES2734265T3 (en)
FR (1) FR3036857B1 (en)
MX (1) MX375047B (en)
PL (1) PL3304648T3 (en)
PT (1) PT3304648T (en)
TR (1) TR201910064T4 (en)
WO (1) WO2016193615A1 (en)

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FR3082669B1 (en) * 2018-06-15 2021-09-03 A Raymond Et Cie METAL CLIP FOR ELECTRICAL CONNECTION FROM A CONDUCTING WIRE TO A METAL ELEMENT
CN109546066B (en) * 2018-12-05 2021-12-17 昆山长盈精密技术有限公司 Connecting system and bracket assembly for battery module
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Also Published As

Publication number Publication date
TR201910064T4 (en) 2019-08-21
ES2734265T3 (en) 2019-12-05
CA2987825A1 (en) 2016-12-08
FR3036857B1 (en) 2017-07-07
CN106207524B (en) 2020-05-22
MX2017015584A (en) 2018-09-26
PT3304648T (en) 2019-08-01
CN206282991U (en) 2017-06-27
US20180159249A1 (en) 2018-06-07
BR112017025829A2 (en) 2018-08-14
PL3304648T3 (en) 2019-11-29
JP2018516440A (en) 2018-06-21
EP3304648A1 (en) 2018-04-11
WO2016193615A1 (en) 2016-12-08
FR3036857A1 (en) 2016-12-02
MX375047B (en) 2025-03-06
CN106207524A (en) 2016-12-07
CA2987825C (en) 2023-08-15
US10141662B2 (en) 2018-11-27

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