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EP1520322A1 - Connection device for flexible circuit - Google Patents

Connection device for flexible circuit

Info

Publication number
EP1520322A1
EP1520322A1 EP03760737A EP03760737A EP1520322A1 EP 1520322 A1 EP1520322 A1 EP 1520322A1 EP 03760737 A EP03760737 A EP 03760737A EP 03760737 A EP03760737 A EP 03760737A EP 1520322 A1 EP1520322 A1 EP 1520322A1
Authority
EP
European Patent Office
Prior art keywords
flexible circuit
support
connection device
positioning
conformation
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.)
Withdrawn
Application number
EP03760737A
Other languages
German (de)
French (fr)
Inventor
Michel Aeschbacher
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.)
Delphi International Operations Luxembourg SARL
Original Assignee
FCI SA
Framatome Connectors International SAS
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 FCI SA, Framatome Connectors International SAS filed Critical FCI SA
Publication of EP1520322A1 publication Critical patent/EP1520322A1/en
Withdrawn legal-status Critical Current

Links

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
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/78—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures connecting to other flexible printed circuits, flat or ribbon cables or like structures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2457—Contacts for co-operating by abutting resilient; resiliently-mounted consisting of at least two resilient arms contacting the same counterpart
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/36—Assembling printed circuits with other printed circuits
    • H05K3/361—Assembling flexible printed circuits with other printed circuits
    • H05K3/365—Assembling flexible printed circuits with other printed circuits by abutting, i.e. without alloying process
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2107/00—Four or more poles
    • 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
    • H01R24/84—Hermaphroditic coupling devices

Definitions

  • the present invention relates to a flexible circuit connection device, intended to ensure the connection of two flexible circuits, each of them being equipped with said device.
  • each device comprises a head capable of receiving the flexible circuit, the latter folded coming to cover the two faces of the head and being immobilized in transverse translation between the lateral edges of the head.
  • An elastic element in the form of an elastic blade, disposed between the head and the flexible circuit, is provided to reinforce the contact pressure between the two flexible circuits.
  • a U-shaped sheet is fitted at the end of the head and comprises, at the level of the zone interposed between the head and the flexible circuit, cutouts delimiting elastic blades working in bending.
  • only one branch of the U is disposed between the support and the flexible circuit.
  • the two devices are plugged into a holding element, the flexible circuits being pressed against each other thanks to the elastic blades.
  • This arrangement is not fully satisfactory because it provides only poor electrical contact between the two flexible circuits, deteriorating over time.
  • the present invention aims to overcome the drawbacks of the prior art by proposing a connection device for flexible circuit, intended to ensure the direct connection of two flexible circuits, each of them being equipped with said device, providing a quality of electrical contact. superior, substantially constant over time, and ensuring optimal relative positioning of the conductors.
  • connection device for a flexible circuit comprising a support, means for positioning the flexible circuit relative to said support and means for shaping the flexible circuit, characterized in that the means for shaping comprise at least one curved spring blade comprising at least one fold disposed between the flexible circuit and a surface so as to increase the elastic effect of said blade.
  • This arrangement makes it possible to obtain a better quality of contact thanks to a higher contact pressure and more resistant over time.
  • the means for positioning the flexible circuit relative to the support comprise downstream of the contact zone, in the direction of insertion, lugs capable of being housed in corresponding orifices provided in the flexible circuit.
  • This arrangement contributes to improving the quality of contact by positioning the flexible circuit flat in a safe manner.
  • the orifices provided in the flexible circuit have an oblong shape and are arranged parallel to the conductors of the flexible circuit, at the level of the interstices, so as to immobilize the flexible circuit in the transverse direction and to allow a slight translation in the longitudinal direction.
  • the lugs are attached to the support.
  • the support comprises an opening in line with the contact zone, the edge of the opening comprising downstream an inclined plane on which the lugs are attached.
  • the pins are attached to the shaping means.
  • the shaping means comprise a first set of curved elastic blades and a second set of blades interposed between the blades of the first set, the ends of which form the pins capable of being housed in the orifices of the flexible circuit.
  • the means for positioning the flexible circuit relative to the support comprise elements arranged upstream of the contact area of the flexible circuit.
  • the device comprises means for positioning a support of another connection device to which it is capable of being connected.
  • the support comprises forms complementary to a substantially median plane ensuring the relative positioning of two supports, the two identical supports being arranged head to tail.
  • the support comprises on the one hand a receptacle receiving the flexible circuit and the shaping means, and on the other hand, a housing capable of receiving the receptacle of a second support when two devices are connected head- spade.
  • the support is in the form of a U whose base supports the flexible circuit and the shaping means and whose branches have complementary shapes capable of ensuring the relative positioning between supports.
  • the connection device comprises a separate element from the support ensuring the positioning and the holding in position of two connected supports.
  • FIG. 1 is a schematic and simplified view of the connection device of the invention
  • FIG. 2 is a perspective view of a flexible circuit
  • FIG. 3A is a perspective view illustrating a first variant of the shaping means
  • FIG. 3B is a perspective view illustrating another variant of the shaping means
  • FIG. 4 is a perspective view illustrating a first variant of the support of the connection device of the invention
  • FIG. 5 is a perspective view of a connection device comprising a support according to FIG. 4
  • FIG. 6 is a perspective view illustrating a holding element for two devices according to FIG. 5,
  • FIG. 7 is a perspective view illustrating the connection between two devices according to FIG. 5,
  • FIG. 8A is a perspective and exploded view of the elements constituting a device of the invention according to a second variant
  • FIG. 8B is a perspective view of the device of FIG. 8A mounted
  • FIGS 9A and 9B are perspective views of two devices according to the second variant respectively ready to be connected and connected
  • - Figure 1 0 is a perspective view illustrating a third variant of a device
  • FIG. 1 1 A and 1 1 B are views from two different angles illustrating two devices according to the third connected variant.
  • connection device 1 0 for a flexible circuit 1 2 capable of being connected to a similar connection device provided on another flexible circuit.
  • a flexible circuit generally comprises conductors or tracks, spaced and substantially parallel to each other, embedded in an insulating component forming a sheet. To ensure a connection between two flexible circuits, the conductors of each flexible circuit are on one side of said stripped circuit at the contact area 1 4 so as to allow electrical continuity.
  • connection device 1 0 comprises a support 1 6, means 1 8 for positioning the flexible circuit 1 2 relative to said support 1 6 and means 20 for shaping the flexible circuit 1 2 in the contact zone 14. It also includes means 22 for positioning a support of another connection device to which it is capable of being connected.
  • the shaping means 20 comprise an elastic element comprising at least one blade 24 curved spring comprising at least one fold 26 disposed between the flexible circuit 1 2 and a surface 28 so as to increase the elastic effect of said blade 24 thus providing a greater and more resistant contact pressure over time.
  • the two branches from the fold 26 of each blade are disposed between the flexible circuit and the surface 28.
  • a number of blades equal to the number of conductors of the flexible circuit is provided, the latter being each arranged at right of one of said drivers.
  • the means 1 8 for positioning the flexible circuit 1 2 are advantageously arranged upstream and downstream of the contact zone 14 (in the direction of insertion 30).
  • the positioning means 1 8 comprise lugs 32 capable of being housed in corresponding orifices 34 formed in the flexible circuit 1 2. Depending on the case, as will be detailed later, these lugs 32 can be attached to the support 1 6 or on the means 20 of conformation.
  • the number of pins 32 is preferably equal to the number of interstices between the conductors of the flexible circuit 12, the orifices 34 being arranged at each interstice.
  • the means 22 for relative positioning of the supports are formed by shapes adapted to each support.
  • the shapes of the support are such that they allow two identical supports to be connected, the latter being arranged head to tail.
  • the forms of the support are also studied to ensure the maintenance in the connected position of the two devices, or a specific element 36 is provided to maintain the two devices in the connected position.
  • FIG. 2 A first variant is illustrated by Figures 2, 3A, 4, 5, 6 and 7.
  • the pins 32 are attached to the support 1 6 as illustrated by Figure 4 and a specific element 36 to maintain in contact the connected devices, illustrated in Figure 6, is provided.
  • the support 1 6 is shown in detail, it comprises a receptacle 38 delimited by side walls 40, a distal wall 42 and a bottom 44 at the level of which is formed an opening 46 in line with the contact area 1 4, the flexible circuit 1 2 being immobilized between the means 20 of conformation and the bottom 44.
  • the flexible circuit 1 2 is immobilized between the side walls 40 and comprises at each side edge a shoulder 48 (visible in Figure 2) capable of being immobilized in a slot 50 formed in the lower part of the side walls 40 and take support against said walls side.
  • a lug 52 secured to the bottom 44 capable of being housed in an orifice 54 formed in the flexible circuit is provided.
  • the means 1 8 for positioning the flexible circuit 1 2 relative to the support 1 6 also comprise lugs 32 secured to the bottom 44 downstream of the opening 46, the edge of the opening 46 comprising downstream an inclined plane 56 adapted to the means 20 of conformation.
  • the flexible circuit 1 2 comprises oblong orifices 34, parallel to the conductors, arranged at the interstices in each of which a lug 32 can translate. According to this arrangement, the downstream part of the flexible circuit 1 2 is perfectly immobilized in transverse translation but can optionally translate in the longitudinal direction depending on the deformation of the shaping means 20. As illustrated in FIG. 3A, the shaping means 20 are in the form of a sheet from which are cut a plurality of elastic curved strips 24, preferably in a number equal to the conductors and arranged in line with the latter.
  • the sheet includes an orifice 58 in which the lug 52 of the support is able to be housed and two tongues 60 arranged at each lateral edge, each capable of coming to rest in a respective housing 62, formed at the side walls 40 so as to ensure a snap connection between said means 20 of conformation and the support.
  • This embodiment comprises a specific holding element 36 for keeping two connection devices in contact, illustrated by FIG. 6, comprising an opening 64 in which two connection devices are capable of being inserted, two grooves 66 being provided in each side in order to receive the side walls 40 of each support 1 6 so as to obtain a sliding connection between the support and the holding element 36.
  • the ends of the curved flexible blades 24 are capable of pressing against the upper or lower walls 68 of the holding element 36 which fulfills the function of the surface 28 of FIG. 1, in order to obtain the contact pressure.
  • the side walls 40 of the supports 1 6 have adapted shapes, a shoulder 70, capable of bearing against the holding element 36 to ensure immobilization in longitudinal translation of said support 1 6, when the contact zones 14 of each device are arranged at right of each other.
  • the flexible circuit 1 2 is introduced via the slots 50 of the support 1 6 until the shoulders 48 come to bear against the side walls 40, the pins 32 and 52 of the support are introduced into the respective orifices 34 and 54 of the flexible circuit.
  • the shaping means 20 are arranged in the receptacle 38 of the support 1 6, the lug 52 of the support coming to be housed in the orifice 58 and the tongues 60 coming to immobilize by snap-fastening in the respective housings 62. This assembly is illustrated in FIG. 5.
  • the curved shape of the blades 24 conforms to the flexible circuit 1 2, in particular in the contact zone 1 4, so that the flexible circuit 1 2 comes out of the opening 46, to be disposed slightly projecting relative to the bottom of the support 1 6. As illustrated in FIG. 7, the ends of the blades 24 come to bear against the upper or lower wall of the holding element 36 and provide increased contact pressure when the contact zones of each device are arranged at the each other's right.
  • FIGS. 2, 3A, 8A, 8B, 9A and 9B A second variant is illustrated by FIGS. 2, 3A, 8A, 8B, 9A and 9B.
  • the lugs 32 are attached to the level of the support 1 6 as for the first variant and the forms of support 1 6 are provided not only to ensure correct positioning between two supports connected in head to tail position but also to ensure the maintenance of said supports in this position.
  • the flexible circuit 1 2 and the shaping means 20 are preferably identical to those of the first variant, the identical elements being referenced as above.
  • the support 1 6, illustrated in Figure 8A, comprises a receptacle 38 identical to the first variant, with lugs 32, 52 and an opening 46 identical and arranged in the same way.
  • the support 1 6 has complementary shapes arranged on either side of a plane 72 disposed substantially at the bottom 44 of the receptacle, on the one hand the receptacle 38 as defined above and on the other hand a housing 74 capable of receiving, preferably in an adjusted manner, the receptacle 38 of a second support when two devices are connected head to tail.
  • the external walls 40 each have a rib 76 capable of sliding in a groove 78 formed at each side wall of the housing 74.
  • the ends of the blades 24 of the first support bear against the face 80 of the housing 74 opposite to the opening 46 of the second support, this face 80 fulfilling the function of the surface 28 of FIG. 1.
  • the support 1 6 comprises at the outer face of the distal wall 42 a tongue 82 provided at its end with a lug 83 capable of being received and immobilized by snapping into an orifice 84 formed at the bottom of the housing 74 as illustrated in FIG. 9B.
  • the identical supports are presented and then connected head to tail.
  • the pins 32 are attached to the level of the shaping means 20 as illustrated in FIG. 3B and the shapes of the support 1 6 are provided not only to ensure correct positioning between two supports connected in position head to tail but also to ensure the maintenance of said supports in this position.
  • the flexible circuit 1 2 has forms identical to that of the preceding variants.
  • the shaping means 20, illustrated in FIG. 3B comprise a first set of curved elastic blades 24 having a function identical to the curved blades of the previous variants and a second set of blades 86 interposed between the previous ones, the ends form lugs 32 capable of being housed in the oblong orifices 34 of the flexible circuit 1 2.
  • the number of first blades 24 is equal to the number of conductors of the flexible circuit and the number of second blades 86 is equal to the number of gaps provided between the conductors.
  • the shaping means 20 have, at their lateral edges, shapes that can be superimposed on those of the flexible circuit 1 2, comprising a shoulder 88 on each side.
  • the support 1 6 is in the form of a U whose base 90 comprises the means 1 8 for positioning the flexible circuit
  • the base 90 includes an opening 96 allowing the introduction of the flexible circuit 1 2 and the means 20 of conformation between the branches 92 and
  • This opening 96 comprises, at the level of the external face of the base 90, slots 98 capable of receiving the lateral edges of the flexible circuit and shaping means, said slots 98 not extending over any the thickness of the base 90 in order to constitute a support zone for the shoulders 48 and 88.
  • the slots 98 are positioned so that the ends of the blades 24 bear against one of the branches of the support, fulfilling the function of the surface 28 of FIG. 1, so as to exert an elastic effect on the flexible circuit 1 2, the latter being spaced from the second branch so as to allow the introduction of a branch, of a flexible circuit and shaping means of another connection device, as illustrated in Figure 1 1 A.
  • the shapes of the branches 92 and 94 are complementary so as to ensure the positioning and the maintenance of two devices connected head to tail.
  • the first branch 92 serving as a support comprises two ribs 1 00 arranged on the external face of said branch, symmetrically with respect to a median plane, capable of being housed in two slots 102 formed on the second branch 94, these slots 1 02 delimiting on both sides two arms 1 04.
  • the ribs 1 00 have a shape in
  • the ends of the arms 1 04 are capable of being plugged into housings 1 06 formed at the level of the external face of the first branch 92.
  • the front end of the branch 92 comprises a tenon
  • a lug 1 1 2 is formed on the external face of one of the branches 92 or 94 capable of being latched into a housing 1 1 4 formed on the internal face of the other branch.
  • the identical supports interlock with one another so as to obtain a connection box.
  • the invention is obviously not limited to the embodiment shown and described above, but on the contrary covers all variants, in particular with regard to the number of conductors of the flexible circuit, the dimensions and materials of the different constituents and the shape of the supports which may or may not have identical shapes.
  • the shapes of the supports of the first and second variants can be adapted to suit the shaping means according to the third variant.

Landscapes

  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The invention concerns a connection device for flexible circuit (12), comprising a support (16), means (18) for positioning the flexible circuit (12) relative to said support (16) and means (20) for shaping the flexible circuit (12). The invention is characterized in that the shaping means (20) include at least one curved spring leaf (24) comprising at least one bend (26) arranged between the flexible circuit (12) and a surface (28) so as to enhance the elastic effect of said spring leaf (24).

Description

DISPOSITIF DE CONNEXION POUR CIRCUIT SOUPLE CONNECTION DEVICE FOR FLEXIBLE CIRCUIT
La présente invention se rapporte à un dispositif de connexion pour circuit souple, destiné à assurer la connexion de deux circuits souples chacun d'eux étant équipé dudit dispositif.The present invention relates to a flexible circuit connection device, intended to ensure the connection of two flexible circuits, each of them being equipped with said device.
Le document US-3.082.398 décrit un tel dispositif disposé à l'extrémité de chaque circuit souple, les deux dispositifs étant maintenus au droit l'un de l'autre, assurant un contact direct entre les circuits souples.Document US-3,082,398 describes such a device placed at the end of each flexible circuit, the two devices being held in line with one another, ensuring direct contact between the flexible circuits.
Selon cet agencement, chaque dispositif comprend une tête susceptible de recevoir le circuit souple, ce dernier plié venant recouvrir les deux faces de la tête et étant immobilisé en translation transversale entre les bords latéraux de la tête.According to this arrangement, each device comprises a head capable of receiving the flexible circuit, the latter folded coming to cover the two faces of the head and being immobilized in transverse translation between the lateral edges of the head.
Un élément élastique, sous forme d'une lame élastique, disposé entre la tête et le circuit souple, est prévu pour renforcer la pression de contact entre les deux circuits souples.An elastic element, in the form of an elastic blade, disposed between the head and the flexible circuit, is provided to reinforce the contact pressure between the two flexible circuits.
A cet effet, une tôle en forme de U vient s'emmancher à l'extrémité de la tête et comprend, au niveau de la zone intercalée entre la tête et le circuit souple, des découpes délimitant des lames élastiques travaillant en flexion.For this purpose, a U-shaped sheet is fitted at the end of the head and comprises, at the level of the zone interposed between the head and the flexible circuit, cutouts delimiting elastic blades working in bending.
Selon ce mode de réalisation, seulement une branche du U est disposée entre le support et le circuit souple.According to this embodiment, only one branch of the U is disposed between the support and the flexible circuit.
Pour assurer leur maintien, les deux dispositifs s'enfichent dans un élément de maintien, les circuits souples étant plaqués l'un contre l'autre grâce aux lames élastiques. Cet agencement ne donne pas pleinement satisfaction car il ne procure qu'un contact électrique médiocre entre les deux circuits souples, se détériorant dans le temps.To maintain them, the two devices are plugged into a holding element, the flexible circuits being pressed against each other thanks to the elastic blades. This arrangement is not fully satisfactory because it provides only poor electrical contact between the two flexible circuits, deteriorating over time.
Par ailleurs, il n'assure pas un positionnement relatif optimal entre les deux circuits souples, ces derniers étant simplement immobilisés entre les bords latéraux des têtes, si bien que les éléments électriques des deux circuits souples peuvent ne pas être disposés au droit les uns des autres.Furthermore, it does not ensure optimal relative positioning between the two flexible circuits, the latter being simply immobilized between the lateral edges of the heads, so that the electrical elements of the two flexible circuits may not be arranged in line with one another. other.
Aussi, la présente invention vise à pallier les inconvénients de l'art antérieur en proposant un dispositif de connexion pour circuit souple, destiné à assurer la connexion directe de deux circuits souples chacun d'eux étant équipé dudit dispositif, procurant une qualité de contact électrique supérieure, sensiblement constante dans le temps, et assurant un positionnement relatif optimal des conducteurs.Also, the present invention aims to overcome the drawbacks of the prior art by proposing a connection device for flexible circuit, intended to ensure the direct connection of two flexible circuits, each of them being equipped with said device, providing a quality of electrical contact. superior, substantially constant over time, and ensuring optimal relative positioning of the conductors.
A cet effet, l'invention a pour objet un dispositif de connexion pour circuit souple, comprenant un support, des moyens de positionnement du circuit souple par rapport audit support et des moyens de conformation du circuit souple, caractérisé en ce que les moyens de conformation comportent au moins une lame ressort courbe comprenant au moins un pli disposé entre le circuit souple et une surface de manière à accroître l'effet élastique de ladite lame.To this end, the subject of the invention is a connection device for a flexible circuit, comprising a support, means for positioning the flexible circuit relative to said support and means for shaping the flexible circuit, characterized in that the means for shaping comprise at least one curved spring blade comprising at least one fold disposed between the flexible circuit and a surface so as to increase the elastic effect of said blade.
Cet agencement permet d'obtenir une meilleure qualité de contact grâce à une pression de contact plus importante et plus résistante dans le temps.This arrangement makes it possible to obtain a better quality of contact thanks to a higher contact pressure and more resistant over time.
De préférence, les moyens de positionnement du circuit souple par rapport au support comprennent en aval de la zone de contact, selon le sens d'enfichage, des ergots susceptibles de se loger dans des orifices correspondants ménagés dans le circuit souple.Preferably, the means for positioning the flexible circuit relative to the support comprise downstream of the contact zone, in the direction of insertion, lugs capable of being housed in corresponding orifices provided in the flexible circuit.
Cet agencement contribue à améliorer la qualité de contact en positionnant à plat dans la zone de contact le circuit souple de manière sûre.This arrangement contributes to improving the quality of contact by positioning the flexible circuit flat in a safe manner.
Avantageusement, les orifices ménagés dans le circuit souple ont une forme oblongue et sont disposés parallèlement aux conducteurs du circuit souple, au niveau des interstices, de manière à immobiliser parfaitement le circuit souple dans le sens transversal et à permettre une légère translation dans le sens longitudinal.Advantageously, the orifices provided in the flexible circuit have an oblong shape and are arranged parallel to the conductors of the flexible circuit, at the level of the interstices, so as to immobilize the flexible circuit in the transverse direction and to allow a slight translation in the longitudinal direction.
Selon une première variante, les ergots sont rapportés sur le support. Dans ce cas selon un mode de réalisation préféré, le support comprend une ouverture au droit de la zone de contact, le bord de l'ouverture comportant en aval un plan incliné sur lequel sont rapportés les ergots.According to a first variant, the lugs are attached to the support. In this case according to a preferred embodiment, the support comprises an opening in line with the contact zone, the edge of the opening comprising downstream an inclined plane on which the lugs are attached.
Selon une autre variante, les ergots sont rapportés sur les moyens de conformation. Dans ce cas, selon un mode de réalisation préféré, les moyens de conformation comprennent un premier jeu de lames élastiques courbes et un second jeu de lames interposées entre les lames du premier jeu dont les extrémités forment les ergots susceptibles de se loger dans les orifices du circuit souple.According to another variant, the pins are attached to the shaping means. In this case, according to a preferred embodiment, the shaping means comprise a first set of curved elastic blades and a second set of blades interposed between the blades of the first set, the ends of which form the pins capable of being housed in the orifices of the flexible circuit.
Pour améliorer le positionnement du circuit souple, les moyens de positionnement du circuit souple par rapport au support comprennent des éléments disposés en amont de la zone de contact du circuit souple.To improve the positioning of the flexible circuit, the means for positioning the flexible circuit relative to the support comprise elements arranged upstream of the contact area of the flexible circuit.
Selon une autre caractéristique de l'invention, le dispositif comprend des moyens de positionnement d'un support d'un autre dispositif de connexion auquel il est susceptible d'être connecté.According to another characteristic of the invention, the device comprises means for positioning a support of another connection device to which it is capable of being connected.
Avantageusement, le support comprend des formes complémentaires par rapport à un plan sensiblement médian assurant le positionnement relatif de deux supports, les deux supports identiques étant disposés tête-bêche.Advantageously, the support comprises forms complementary to a substantially median plane ensuring the relative positioning of two supports, the two identical supports being arranged head to tail.
Selon un mode de réalisation préféré, le support comprend d'une part un réceptacle recevant le circuit souple et les moyens de conformation, et d'autre, un logement susceptible de recevoir le réceptacle d'un second support lorsque deux dispositifs sont connectés tête-bêche.According to a preferred embodiment, the support comprises on the one hand a receptacle receiving the flexible circuit and the shaping means, and on the other hand, a housing capable of receiving the receptacle of a second support when two devices are connected head- spade.
Selon un autre mode de réalisation, le support se présente sous la forme d'un U dont la ' base supporte le circuit souple et les moyens de conformation et dont les branches ont des formes complémentaires susceptibles d'assurer le positionnement relatif entre supports. Selon une autre variante, le dispositif de connexion comprend un élément distinct du support assurant le positionnement et le maintien en position de deux supports connectés. D'autres caractéristiques et avantages ressortiront de la description qui va suivre de l'invention, description donnée à titre d'exemple uniquement et en regard des dessins annexés sur lesquels :According to another embodiment, the support is in the form of a U whose base supports the flexible circuit and the shaping means and whose branches have complementary shapes capable of ensuring the relative positioning between supports. According to another variant, the connection device comprises a separate element from the support ensuring the positioning and the holding in position of two connected supports. Other characteristics and advantages will emerge from the description which follows of the invention, description given by way of example only and with reference to the appended drawings in which:
- la figure 1 est une vue schématique et simplifiée du dispositif de connexion de l'invention,FIG. 1 is a schematic and simplified view of the connection device of the invention,
- la figure 2 est une vue en perspective d'un circuit souple,FIG. 2 is a perspective view of a flexible circuit,
- la figure 3A est une vue en perspective illustrant une première variante des moyens de conformation,FIG. 3A is a perspective view illustrating a first variant of the shaping means,
- la figure 3B est une vue en perspective illustrant une autre variante des moyens de conformation,FIG. 3B is a perspective view illustrating another variant of the shaping means,
- la figure 4 est une vue en perspective illustrant une première variante du support du dispositif de connexion de l'invention,FIG. 4 is a perspective view illustrating a first variant of the support of the connection device of the invention,
- la figure 5 est une vue en perspective d'un dispositif de connexion comportant un support selon la figure 4, - la figure 6 est une vue en perspective illustrant un élément de maintien de deux dispositifs selon la figure 5,FIG. 5 is a perspective view of a connection device comprising a support according to FIG. 4, FIG. 6 is a perspective view illustrating a holding element for two devices according to FIG. 5,
- la figure 7 est une vue en perspective illustrant la connexion entre deux dispositifs selon la figure 5,FIG. 7 is a perspective view illustrating the connection between two devices according to FIG. 5,
- la figure 8A est une vue en perspective et éclatée des éléments constituant un dispositif de l'invention selon une deuxième .variante,FIG. 8A is a perspective and exploded view of the elements constituting a device of the invention according to a second variant,
- la figure 8B est une vue en perspective du dispositif de la figure 8A monté,FIG. 8B is a perspective view of the device of FIG. 8A mounted,
- les figures 9A et 9B sont des vues en perspective de deux dispositifs selon la deuxième variante respectivement prêt à être connectés et connectés, - la figure 1 0 est une vue en perspective illustrant une troisième variante d'un dispositif, et- Figures 9A and 9B are perspective views of two devices according to the second variant respectively ready to be connected and connected, - Figure 1 0 is a perspective view illustrating a third variant of a device, and
- les figures 1 1 A et 1 1 B sont des vues selon deux angles différents illustrant deux dispositifs selon la troisième variante connectés.- Figures 1 1 A and 1 1 B are views from two different angles illustrating two devices according to the third connected variant.
Sur la figure 1 , on a représenté de manière schématique et dépouillée, un dispositif de connexion 1 0 selon l'invention pour un circuit souple 1 2 susceptible d'être connecté à un dispositif de connexion analogue prévu sur un autre circuit souple. De façon connue, un circuit souple comprend généralement des conducteurs ou pistes, espacés et sensiblement parallèles entre eux, noyés dans un constituant isolant formant une nappe. Pour assurer une connexion entre deux circuits souples, les conducteurs de chaque circuit souple sont sur une face dudit circuit dénudés au niveau de la zone de contact 1 4 de façon à permettre la continuité électrique.In Figure 1, there is shown schematically and stripped, a connection device 1 0 according to the invention for a flexible circuit 1 2 capable of being connected to a similar connection device provided on another flexible circuit. In a known manner, a flexible circuit generally comprises conductors or tracks, spaced and substantially parallel to each other, embedded in an insulating component forming a sheet. To ensure a connection between two flexible circuits, the conductors of each flexible circuit are on one side of said stripped circuit at the contact area 1 4 so as to allow electrical continuity.
Le dispositif de connexion 1 0 comprend un support 1 6, des moyens 1 8 de positionnement du circuit souple 1 2 par rapport audit support 1 6 et des moyens 20 de conformation du circuit souple 1 2 dans la zone de contact 14. II comprend également des moyens 22 de positionnement d'un support d'un autre dispositif de connexion auquel il est susceptible d'être connecté.The connection device 1 0 comprises a support 1 6, means 1 8 for positioning the flexible circuit 1 2 relative to said support 1 6 and means 20 for shaping the flexible circuit 1 2 in the contact zone 14. It also includes means 22 for positioning a support of another connection device to which it is capable of being connected.
Selon l'invention, les moyens 20 de conformation comprennent un élément élastique comportant au moins une lame 24 ressort courbe comprenant au moins un pli 26 disposé entre le circuit souple 1 2 et une surface 28 de manière à accroître l'effet élastique de ladite lame 24 procurant ainsi une pression de contact plus importante et résistante dans le temps. Selon l'invention, les deux branches issues du pli 26 de chaque lame sont disposées entre le circuit souple et la surface 28. De préférence, un nombre de lames égal au nombre de conducteurs du circuit souple est prévu, ces dernières étant disposées chacune au droit d'un desdits conducteurs.According to the invention, the shaping means 20 comprise an elastic element comprising at least one blade 24 curved spring comprising at least one fold 26 disposed between the flexible circuit 1 2 and a surface 28 so as to increase the elastic effect of said blade 24 thus providing a greater and more resistant contact pressure over time. According to the invention, the two branches from the fold 26 of each blade are disposed between the flexible circuit and the surface 28. Preferably, a number of blades equal to the number of conductors of the flexible circuit is provided, the latter being each arranged at right of one of said drivers.
Pour assurer une connexion optimale, il est nécessaire non seulement d'exercer une pression de contact importante mais également de positionner correctement les deux circuits souples l'un par rapport à l'autre. Ceci est d'autant plus important que le circuit 1 2 est souple et susceptible de se plier et de ne pas être disposé à plat dans la zone de contact 1 4.To ensure an optimal connection, it is necessary not only to exert a high contact pressure but also to correctly position the two flexible circuits relative to each other. This is all the more important as the circuit 1 2 is flexible and liable to bend and not to be placed flat in the contact zone 1 4.
A cet effet, les moyens 1 8 de positionnement du circuit souple 1 2 sont avantageusement disposés en amont et en aval de la zone de contact 14 (selon la direction d'enfichage 30) .To this end, the means 1 8 for positioning the flexible circuit 1 2 are advantageously arranged upstream and downstream of the contact zone 14 (in the direction of insertion 30).
En aval, les moyens 1 8 de positionnement comprennent des ergots 32 susceptibles de se loger dans des orifices 34 correspondants ménagés dans le circuit souple 1 2. Selon les cas, comme cela sera détaillé ultérieurement, ces ergots 32 peuvent être rapportés sur le support 1 6 ou bien sur les moyens 20 de conformation. Le nombre d'ergots 32 est de préférence égal au nombre d'interstices entre les conducteurs du circuit souple 1 2, les orifices 34 étant disposés au niveau de chaque interstice.Downstream, the positioning means 1 8 comprise lugs 32 capable of being housed in corresponding orifices 34 formed in the flexible circuit 1 2. Depending on the case, as will be detailed later, these lugs 32 can be attached to the support 1 6 or on the means 20 of conformation. The number of pins 32 is preferably equal to the number of interstices between the conductors of the flexible circuit 12, the orifices 34 being arranged at each interstice.
Le fait de disposer des moyens de positionnement du circuit souple en aval permet d'assurer de manière certaine le positionnement à plat du circuit souple dans la zone de contact et ainsi un positionnement relatif correct entre les deux circuits souples mis en contact.The fact of having means for positioning the flexible circuit downstream ensures certain positioning of the flexible circuit flat in the contact zone and thus correct relative positioning between the two flexible circuits brought into contact.
Pour que les circuits souples soient bien disposés l'un par rapport à l'autre, il est également nécessaire d'assurer un positionnement relatif correct entre les supports 1 6 de deux dispositifs connectés.So that the flexible circuits are well arranged relative to each other, it is also necessary to ensure correct relative positioning between the supports 1 6 of two connected devices.
Selon l'invention, les moyens 22 de positionnement relatif des supports sont constitués par des formes adaptées de chaque support. Avantageusement, les formes du support sont telles qu'elles permettent de relier deux supports identiques, ces derniers étant disposés tête-bêche. En fonction des cas, comme cela sera détaillé ultérieurement, les formes du support sont également étudiées pour assurer le maintien en position connectée des deux dispositifs, ou un élément 36 spécifique est prévu pour maintenir les deux dispositifs dans la position connectée.According to the invention, the means 22 for relative positioning of the supports are formed by shapes adapted to each support. Advantageously, the shapes of the support are such that they allow two identical supports to be connected, the latter being arranged head to tail. Depending on the case, as will be detailed later, the forms of the support are also studied to ensure the maintenance in the connected position of the two devices, or a specific element 36 is provided to maintain the two devices in the connected position.
Une première variante est illustrée par les figures 2, 3A, 4, 5, 6 et 7. Selon ce mode de réalisation, les ergots 32 sont rapportés au niveau du support 1 6 comme illustré par la figure 4 et un élément 36 spécifique pour maintenir en contact les dispositifs connectés, illustré par la figure 6, est prévu.A first variant is illustrated by Figures 2, 3A, 4, 5, 6 and 7. According to this embodiment, the pins 32 are attached to the support 1 6 as illustrated by Figure 4 and a specific element 36 to maintain in contact the connected devices, illustrated in Figure 6, is provided.
Sur la figure 4, le support 1 6 est représenté en détail, il comprend un réceptacle 38 délimité par des parois latérales 40, une paroi distale 42 et un fond 44 au niveau duquel est ménagée une ouverture 46 au droit de la zone de contact 1 4, le circuit souple 1 2 étant immobilisé entre les moyens 20 de conformation et le fond 44.In Figure 4, the support 1 6 is shown in detail, it comprises a receptacle 38 delimited by side walls 40, a distal wall 42 and a bottom 44 at the level of which is formed an opening 46 in line with the contact area 1 4, the flexible circuit 1 2 being immobilized between the means 20 of conformation and the bottom 44.
Le circuit souple 1 2 est immobilisé entre les parois latérales 40 et comprend au niveau de chaque bord latéral un épaulement 48 (visible sur la figure 2) susceptible d'être immobilisé dans une fente 50 ménagée en partie inférieure des parois latérales 40 et de prendre appui contre lesdites parois latérales. En complément, pour renforcer les moyens 1 8 de positionnement et assurer un montage plus aisé, un ergot 52 solidaire du fond 44 susceptible de se loger dans un orifice 54 ménagé dans le circuit souple est prévu.The flexible circuit 1 2 is immobilized between the side walls 40 and comprises at each side edge a shoulder 48 (visible in Figure 2) capable of being immobilized in a slot 50 formed in the lower part of the side walls 40 and take support against said walls side. In addition, to strengthen the positioning means 1 8 and ensure easier mounting, a lug 52 secured to the bottom 44 capable of being housed in an orifice 54 formed in the flexible circuit is provided.
Selon ce mode de réalisation, les moyens 1 8 de positionnement du circuit souple 1 2 par rapport au support 1 6 comprennent également des ergots 32 solidaire du fond 44 en aval de l'ouverture 46, le bord de l'ouverture 46 comportant en aval un plan incliné 56 adapté aux moyens 20 de conformation.According to this embodiment, the means 1 8 for positioning the flexible circuit 1 2 relative to the support 1 6 also comprise lugs 32 secured to the bottom 44 downstream of the opening 46, the edge of the opening 46 comprising downstream an inclined plane 56 adapted to the means 20 of conformation.
Le circuit souple 1 2 comprend des orifices 34 oblongs, parallèles aux conducteurs, disposés au niveau des interstices dans chacun desquels peut se translater un ergot 32. Selon cet agencement, la partie aval du circuit souple 1 2 est parfaitement immobilisée en translation transversale mais peut éventuellement se translater dans le sens longitudinal en fonction de la déformation des moyens 20 de conformation. Comme illustré par la figure 3A, les moyens 20 de conformation se présentent sous la forme d'une tôle dans laquelle sont découpées une pluralité de lames élastiques 24 courbes, de préférence en nombre égal aux conducteurs et disposées au droit de ces derniers.The flexible circuit 1 2 comprises oblong orifices 34, parallel to the conductors, arranged at the interstices in each of which a lug 32 can translate. According to this arrangement, the downstream part of the flexible circuit 1 2 is perfectly immobilized in transverse translation but can optionally translate in the longitudinal direction depending on the deformation of the shaping means 20. As illustrated in FIG. 3A, the shaping means 20 are in the form of a sheet from which are cut a plurality of elastic curved strips 24, preferably in a number equal to the conductors and arranged in line with the latter.
Au niveau de l'extrémité opposée aux lames, la tôle comprend un orifice 58 dans lequel est susceptible de se loger l'ergot 52 du support et deux languettes 60 disposées au niveau de chaque bord latéral, susceptibles de venir chacune s'immobiliser dans un logement 62 respectif, ménagé au niveau des parois latérales 40 de manière à assurer une liaison par encliquetage entre lesdits moyens 20 de conformation et le support. Ce mode de réalisation comprend un élément de maintien 36 spécifique pour maintenir en contact deux dispositifs de connexion, illustré par la figure 6, comportant une ouverture 64 dans laquelle sont susceptibles de s 'enficher deux dispositifs de connexion, deux rainures 66 étant prévues de chaque côté afin de recevoir les parois latérales 40 de chaque support 1 6 de manière à obtenir une liaison glissière entre le support et l'élément de maintien 36. Selon ce mode de réalisation, les extrémités des lames souples courbes 24 sont susceptibles de prendre appui contre les parois supérieure ou inférieure 68 de l'élément de maintien 36 qui remplit la fonction de la surface 28 de la figure 1 , afin d'obtenir la pression de contact. Enfin, les parois latérales 40 des supports 1 6 ont des formes adaptées, un épaulement 70, susceptibles de prendre appui contre l'élément de maintien 36 pour assurer une immobilisation en translation longitudinale dudit support 1 6, lorsque les zones de contact 14 de chaque dispositif sont disposées au droit l'une de l'autre. Ce mode de réalisation procure non seulement une qualité de contact optimale grâce à la combinaison de l'effet élastique accru et aux moyens de positionnement des circuits souples mais également une grande facilité de montage.At the end opposite to the blades, the sheet includes an orifice 58 in which the lug 52 of the support is able to be housed and two tongues 60 arranged at each lateral edge, each capable of coming to rest in a respective housing 62, formed at the side walls 40 so as to ensure a snap connection between said means 20 of conformation and the support. This embodiment comprises a specific holding element 36 for keeping two connection devices in contact, illustrated by FIG. 6, comprising an opening 64 in which two connection devices are capable of being inserted, two grooves 66 being provided in each side in order to receive the side walls 40 of each support 1 6 so as to obtain a sliding connection between the support and the holding element 36. According to this embodiment, the ends of the curved flexible blades 24 are capable of pressing against the upper or lower walls 68 of the holding element 36 which fulfills the function of the surface 28 of FIG. 1, in order to obtain the contact pressure. Finally, the side walls 40 of the supports 1 6 have adapted shapes, a shoulder 70, capable of bearing against the holding element 36 to ensure immobilization in longitudinal translation of said support 1 6, when the contact zones 14 of each device are arranged at right of each other. This embodiment not only provides optimum contact quality thanks to the combination of the increased elastic effect and the positioning means of the flexible circuits, but also great ease of assembly.
Ainsi, le circuit souple 1 2 est introduit via les fentes 50 du support 1 6 jusqu'à ce que les epaulements 48 viennent en appui contre les parois latérales 40, les ergots 32 et 52 du support sont introduits dans les orifices respectifs 34 et 54 du circuit souple.Thus, the flexible circuit 1 2 is introduced via the slots 50 of the support 1 6 until the shoulders 48 come to bear against the side walls 40, the pins 32 and 52 of the support are introduced into the respective orifices 34 and 54 of the flexible circuit.
Pour maintenir et conformer le circuit souple 1 2, les moyens 20 de conformation sont disposés dans le réceptacle 38 du support 1 6, l'ergot 52 du support venant se loger dans l'orifice 58 et les languettes 60 venant s'immobiliser par encliquetage dans les logements 62 respectifs. Cet assemblage est illustré par la figure 5.To maintain and conform the flexible circuit 1 2, the shaping means 20 are arranged in the receptacle 38 of the support 1 6, the lug 52 of the support coming to be housed in the orifice 58 and the tongues 60 coming to immobilize by snap-fastening in the respective housings 62. This assembly is illustrated in FIG. 5.
La forme courbe des lames 24 conforme le circuit souple 1 2, notamment dans la zone de contact 1 4, de manière à ce que le circuit souple 1 2 sorte de l'ouverture 46, pour être disposé légèrement en saillie par rapport au fond du support 1 6. Comme illustré par la figure 7, les extrémités des lames 24 viennent prendre appui contre la paroi supérieure ou inférieure de l'élément de maintien 36 et assurent une pression de contact accrue lorsque les zones de contact de chaque dispositif sont disposées au droit l'une de l'autre.The curved shape of the blades 24 conforms to the flexible circuit 1 2, in particular in the contact zone 1 4, so that the flexible circuit 1 2 comes out of the opening 46, to be disposed slightly projecting relative to the bottom of the support 1 6. As illustrated in FIG. 7, the ends of the blades 24 come to bear against the upper or lower wall of the holding element 36 and provide increased contact pressure when the contact zones of each device are arranged at the each other's right.
Une deuxième variante est illustrée par les figures 2, 3A, 8A, 8B, 9A et 9B. Selon ce mode de réalisation, les ergots 32 sont rapportés au niveau du support 1 6 comme pour la première variante et les formes du support 1 6 sont prévues non seulement pour assurer un positionnement correct entre deux support connectés en position tête bêche mais également pour assurer le maintien desdits supports dans cette position. Le circuit souple 1 2 et les moyens 20 de conformation sont de préférence identiques à ceux de la première variante, les éléments identiques étant référencés comme précédemment.A second variant is illustrated by FIGS. 2, 3A, 8A, 8B, 9A and 9B. According to this embodiment, the lugs 32 are attached to the level of the support 1 6 as for the first variant and the forms of support 1 6 are provided not only to ensure correct positioning between two supports connected in head to tail position but also to ensure the maintenance of said supports in this position. The flexible circuit 1 2 and the shaping means 20 are preferably identical to those of the first variant, the identical elements being referenced as above.
Le support 1 6, illustré par la figure 8A, comprend un réceptacle 38 identique à la première variante, avec des ergots 32, 52 et une ouverture 46 identiques et agencés de la même manière.The support 1 6, illustrated in Figure 8A, comprises a receptacle 38 identical to the first variant, with lugs 32, 52 and an opening 46 identical and arranged in the same way.
Comme illustré par les figures 8A et 8B, le circuit souple 1 2, les moyens 1 8 de conformation se montent de manière identique.As illustrated in Figures 8A and 8B, the flexible circuit 1 2, the means 1 8 of conformation are mounted identically.
Selon cette variante, le support 1 6 a des formes complémentaires disposées de part et d'autre d'un plan 72 disposé sensiblement au niveau du fond 44 du réceptacle, d'une part le réceptacle 38 tel que défini précédemment et d'autre part un logement 74 susceptible de recevoir, de préférence de manière ajustée, le réceptacle 38 d'un second support lorsque deux dispositifs sont connectés tête-bêche.According to this variant, the support 1 6 has complementary shapes arranged on either side of a plane 72 disposed substantially at the bottom 44 of the receptacle, on the one hand the receptacle 38 as defined above and on the other hand a housing 74 capable of receiving, preferably in an adjusted manner, the receptacle 38 of a second support when two devices are connected head to tail.
Pour assurer un meilleur positionnement relatif entre les supports et un meilleur guidage lors de leur insertion mutuelle, les flancs . externes des parois latérales 40 comportent chacune une nervure 76 susceptible de coulisser dans une rainure 78 ménagée au niveau de chaque paroi latérale du logement 74.To ensure better relative positioning between the supports and better guidance during their mutual insertion, the sides. the external walls 40 each have a rib 76 capable of sliding in a groove 78 formed at each side wall of the housing 74.
Selon ce mode de réalisation, les extrémités des lames 24 du premier support prennent appui contre la face 80 du logement 74 opposée à l 'ouverture 46 du second support, cette face 80 remplissant la fonction de la surface 28 de la figure 1 .According to this embodiment, the ends of the blades 24 of the first support bear against the face 80 of the housing 74 opposite to the opening 46 of the second support, this face 80 fulfilling the function of the surface 28 of FIG. 1.
Pour maintenir de manière sûre les dispositifs dans la positon connectée, le support 1 6 comprend au niveau de la face externe de la paroi distale 42 une languette 82 munie à son extrémité d'un ergot 83 susceptible de venir se loger et s'immobiliser par encliquetage dans un orifice 84 ménagé au niveau du fond du logement 74 comme illustré par la figure 9B. Selon cette variante, comme illustré par les figures 9A et 9B, les supports identiques sont présentés puis connectés tête-bêche.To securely hold the devices in the connected position, the support 1 6 comprises at the outer face of the distal wall 42 a tongue 82 provided at its end with a lug 83 capable of being received and immobilized by snapping into an orifice 84 formed at the bottom of the housing 74 as illustrated in FIG. 9B. According to this variant, as illustrated in FIGS. 9A and 9B, the identical supports are presented and then connected head to tail.
Une troisième variante est représentée sur les figures 2, 3B, 1 0, 1 1 A etA third variant is shown in FIGS. 2, 3B, 1 0, 1 1 A and
1 1 B. Selon ce mode de réalisation, les ergots 32 sont rapportés au niveau des moyens 20 de conformation comme illustré par la figure 3B et les formes du support 1 6 sont prévues non seulement pour assurer un positionnement correct entre deux supports connectés en position tête bêche mais également pour assurer le maintien desdits supports dans cette position.1 1 B. According to this embodiment, the pins 32 are attached to the level of the shaping means 20 as illustrated in FIG. 3B and the shapes of the support 1 6 are provided not only to ensure correct positioning between two supports connected in position head to tail but also to ensure the maintenance of said supports in this position.
Le circuit souple 1 2 a des formes identiques à celui des variantes précédentes.The flexible circuit 1 2 has forms identical to that of the preceding variants.
Selon ce mode de réalisation, les moyens 20 de conformation, illustrés par le figure 3B, comprennent un premier jeu de lames élastiques courbes 24 ayant une fonction identique aux lames courbes des variantes précédentes et un second jeu de lames 86 interposées entre les précédentes dont les extrémités forment des ergots 32 susceptibles de se loger dans les orifices 34 oblongs du circuit souple 1 2. De préférence, le nombre de premières lames 24 est égal au nombre de conducteurs du circuit souple et le nombre de secondes lames 86 est égal au nombre d'interstices prévus entre les conducteurs. Avantageusement, les moyens 20 de conformation présentent au niveau de leurs bords latéraux des formes superposables à celles du circuit souple 1 2, comprenant un épaulement 88 de chaque côté.According to this embodiment, the shaping means 20, illustrated in FIG. 3B, comprise a first set of curved elastic blades 24 having a function identical to the curved blades of the previous variants and a second set of blades 86 interposed between the previous ones, the ends form lugs 32 capable of being housed in the oblong orifices 34 of the flexible circuit 1 2. Preferably, the number of first blades 24 is equal to the number of conductors of the flexible circuit and the number of second blades 86 is equal to the number of gaps provided between the conductors. Advantageously, the shaping means 20 have, at their lateral edges, shapes that can be superimposed on those of the flexible circuit 1 2, comprising a shoulder 88 on each side.
Selon cette variante, le support 1 6 se présente sous la forme d'un U dont la base 90 comprend les moyens 1 8 de positionnement du circuit soupleAccording to this variant, the support 1 6 is in the form of a U whose base 90 comprises the means 1 8 for positioning the flexible circuit
1 2 et les moyens 20 de conformation et dont les branches 92 et 94 présentent des formes complémentaires assurant le positionnement relatif des deux supports connectés et leur maintien dans cette position.1 2 and the means 20 of conformation and whose branches 92 and 94 have complementary shapes ensuring the relative positioning of the two connected supports and their maintenance in this position.
La base 90 comprend une ouverture 96 permettant l'introduction du circuit souple 1 2 et les moyens 20 de conformation entre les branches 92 etThe base 90 includes an opening 96 allowing the introduction of the flexible circuit 1 2 and the means 20 of conformation between the branches 92 and
94. Cette ouverture 96 comprend au niveau de la face externe de la base 90 des fentes 98 susceptibles de recevoir les bords latéraux du circuit souple et des moyens de conformation, lesdites fentes 98 ne s'étendant pas sur toute l'épaisseur de la base 90 afin de constituer une zone d'appui pour les epaulements 48 et 88.94. This opening 96 comprises, at the level of the external face of the base 90, slots 98 capable of receiving the lateral edges of the flexible circuit and shaping means, said slots 98 not extending over any the thickness of the base 90 in order to constitute a support zone for the shoulders 48 and 88.
Les fentes 98 sont positionnées de manière à ce que les extrémités des lames 24 prennent appui contre l'une des branches du support, remplissant la fonction de la surface 28 de la figure 1 , de manière à exercer un effet élastique sur le circuit souple 1 2, ce dernier étant espacé de la seconde branche de manière à permettre l'introduction d'une branche, d'-un circuit souple et des moyens de conformation d'un autre dispositif de connexion, comme illustré par la figure 1 1 A. Les formes des branches 92 et 94 sont complémentaires de manière à assurer le positionnement et le maintien de deux dispositifs connectés tête- bêche.The slots 98 are positioned so that the ends of the blades 24 bear against one of the branches of the support, fulfilling the function of the surface 28 of FIG. 1, so as to exert an elastic effect on the flexible circuit 1 2, the latter being spaced from the second branch so as to allow the introduction of a branch, of a flexible circuit and shaping means of another connection device, as illustrated in Figure 1 1 A. The shapes of the branches 92 and 94 are complementary so as to ensure the positioning and the maintenance of two devices connected head to tail.
Selon un mode de réalisation préféré, illustré par les figures 1 0, 1 1 A etAccording to a preferred embodiment, illustrated by FIGS. 1 0, 1 1 A and
1 1 B, la première branche 92 servant d'appui comprend deux nervures 1 00 disposées sur la face externe de ladite branche, de manière symétrique par rapport un plan médian, susceptibles de se loger dans deux fentes 102 ménagées sur la seconde branche 94, ces fentes 1 02 délimitant de part et d'autre deux bras 1 04. Avantageusement, les nervures 1 00 ont une forme en1 1 B, the first branch 92 serving as a support comprises two ribs 1 00 arranged on the external face of said branch, symmetrically with respect to a median plane, capable of being housed in two slots 102 formed on the second branch 94, these slots 1 02 delimiting on both sides two arms 1 04. Advantageously, the ribs 1 00 have a shape in
L susceptible de retenir les bras 1 04. En complément, les extrémités des bras 1 04 sont susceptibles de s'enficher dans des logements 1 06 ménagés au niveau de la face externe de la première branche 92.L capable of retaining the arms 1 04. In addition, the ends of the arms 1 04 are capable of being plugged into housings 1 06 formed at the level of the external face of the first branch 92.
Par ailleurs, l'extrémité frontale de la branche 92 comprend un tenonFurthermore, the front end of the branch 92 comprises a tenon
1 08 susceptible de se loger dans un orifice 1 1 0 ménagé dans la base 90, visible sur la figure 1 1 A.1 08 capable of being housed in an orifice 1 1 0 formed in the base 90, visible in FIG. 1 1 A.
Ces éléments 1 00 à 1 1 0 contribuent à assurer un positionnement optimal entre les supports connectés tête-bêche.These elements 1 00 to 1 1 0 contribute to ensuring optimal positioning between the supports connected head to tail.
Pour maintenir de manière sûre les dispositifs dans la positon connectée, un ergot 1 1 2 est ménagé sur la face externe de l'une des branches 92 ou 94 susceptible de se loger par encliquetage dans un logement 1 1 4 ménagé sur la face interne de l'autre branche. Comme illustré sur les figures 1 1 A et 1 1 B, les supports identiques s'emboîtent mutuellement l'un dans l'autre de manière à obtenir un boîtier de connexion.To securely hold the devices in the connected position, a lug 1 1 2 is formed on the external face of one of the branches 92 or 94 capable of being latched into a housing 1 1 4 formed on the internal face of the other branch. As illustrated in FIGS. 1 1 A and 1 1 B, the identical supports interlock with one another so as to obtain a connection box.
Bien entendu, l'invention n'est évidemment pas limitée au mode de réalisation représenté et décrit ci-dessus, mais en couvre au contraire toutes les variantes, notamment en ce qui concerne le nombre de conducteurs du circuit souple, les dimensions et matériaux des différents constituants ainsi que la forme des supports qui peuvent avoir des formes identiques ou non.Of course, the invention is obviously not limited to the embodiment shown and described above, but on the contrary covers all variants, in particular with regard to the number of conductors of the flexible circuit, the dimensions and materials of the different constituents and the shape of the supports which may or may not have identical shapes.
Par ailleurs, les formes des supports des première et deuxième variantes peuvent être adaptées pour convenir à des moyens 20 de conformation selon la troisième variante.Furthermore, the shapes of the supports of the first and second variants can be adapted to suit the shaping means according to the third variant.
Enfin, même si le dispositif de l'invention a été représenté sur l'ensemble des figures à l'extrémité du circuit souple, ce dernier peut être disposé à tout autre endroit du circuit souple moyennant de légères modifications du support. Finally, even if the device of the invention has been shown in all of the figures at the end of the flexible circuit, the latter can be placed at any other location on the flexible circuit with slight modifications to the support.

Claims

R E V E N D I C A T I O N S
1 . Dispositif de connexion pour circuit souple (1 2), comprenant un support (1 6), des moyens (1 8) de positionnement du circuit souple (1 2) par rapport audit support (1 6) et des moyens (20) de conformation -du circuit souple (1 2), caractérisé en ce que le support comporte un fond (44, 90) au niveau duquel est ménagée une ouverture (46, 96), le circuit souple (1 2) étant immobilisé entre les moyens (20) de conformation et le fond (44, 90), les moyens (20) de conformation comportant au moins une lame (24) ressort courbe comprenant au moins un pli (26) disposé entre le circuit souple ( 1 2) et une surface (28) de manière à accroître l'effet élastique de ladite lame (24) . 1. Connection device for flexible circuit (1 2), comprising a support (1 6), means (1 8) for positioning the flexible circuit (1 2) relative to said support (1 6) and means (20) of conformation -the flexible circuit (1 2), characterized in that the support comprises a bottom (44, 90) at the level of which an opening (46, 96) is formed, the flexible circuit (1 2) being immobilized between the means (20 ) of conformation and the bottom (44, 90), the means (20) of conformation comprising at least one blade (24) curved spring comprising at least one fold (26) disposed between the flexible circuit (1 2) and a surface ( 28) so as to increase the elastic effect of said blade (24).
2. Dispositif de connexion selon la revendication 1 , caractérisé en ce que les moyens (1 8) de positionnement du circuit souple (1 2) par rapport au support ( 1 6) comprennent en aval de la zone de contact, selon le sens d'enfichage, des ergots (32) susceptibles de se loger dans des orifices (34) correspondants ménagés dans le circuit souple ( 1 2) . 2. Connection device according to claim 1, characterized in that the means (1 8) for positioning the flexible circuit (1 2) relative to the support (1 6) comprise downstream of the contact zone, in the direction of 'insertion, pins (32) capable of being housed in corresponding holes (34) formed in the flexible circuit (1 2).
3. Dispositif de connexion selon la revendication 2, caractérisé en ce que les orifices (34) ménagés dans le circuit souple (,1 2) ont une forme oblongue et sont disposés parallèlement aux conducteurs du circuit souple, au niveau des interstices, de manière à immobiliser parfaitement le circuit souple dans le sens transversal et à permettre une légère translation dans le sens longitudinal.3. Connection device according to claim 2, characterized in that the orifices (34) formed in the flexible circuit (, 1 2) have an oblong shape and are arranged parallel to the conductors of the flexible circuit, at the interstices, so to immobilize the flexible circuit perfectly in the transverse direction and to allow a slight translation in the longitudinal direction.
4. Dispositif de connexion selon la revendication 2 ou 3, caractérisé en ce que les ergots (32) sont rapportés sur le support ( 1 6) .4. Connection device according to claim 2 or 3, characterized in that the pins (32) are attached to the support (1 6).
5. Dispositif de connexion selon la revendication 4, caractérisé en ce que le support (1 6) comprend une ouverture (46) au droit de la zone de contact, le bord de l'ouverture (46) comportant en aval un plan incliné sur lequel sont rapportés les ergots (32) .5. Connection device according to claim 4, characterized in that the support (1 6) comprises an opening (46) in line with the contact zone, the edge of the opening (46) comprising downstream an inclined plane on which are reported lugs (32).
6. Dispositif de connexion selon la revendication 2 ou 3, caractérisé en ce que les ergots (32) sont rapportés sur les moyens (20) de conformation. 6. Connection device according to claim 2 or 3, characterized in that the pins (32) are attached to the means (20) of conformation.
7. Dispositif de connexion selon la revendication 6, caractérisé en ce que les moyens (20) de conformation comprennent un premier jeu de lames élastiques courbes (24) et un second jeu de lames (86) interposées entre les lames du premier jeu dont les extrémités forment les ergots (32) susceptibles de se loger dans les orifices (34) du circuit souple.7. Connection device according to claim 6, characterized in that the means (20) of conformation comprise a first set of curved elastic blades (24) and a second set of blades (86) interposed between the blades of the first set, the ends form the pins (32) capable of being housed in the orifices (34) of the flexible circuit.
8. Dispositif de connexion selon l'une quelconque des revendications 1 à 7, caractérisé en ce que les moyens (1 8) de positionnement -du circuit souple (1 2) par rapport au support (1 6) comprennent des éléments disposés en amont de la zone de contact (1 4) du circuit souple (1 2). 8. Connection device according to any one of claims 1 to 7, characterized in that the means (1 8) for positioning the flexible circuit (1 2) relative to the support (1 6) comprise elements arranged upstream of the contact area (1 4) of the flexible circuit (1 2).
9. Dispositif de connexion selon la revendication 8, caractérisé en ce que les moyens (1 8) de positionnement disposés en amont comprennent un ergot (52) solidaire du support (1 6) susceptible de se loger dans un orifice (54) ménagé dans le circuit souple (1 2) .9. Connection device according to claim 8, characterized in that the positioning means (1 8) disposed upstream comprise a lug (52) integral with the support (1 6) capable of being housed in an orifice (54) formed in the flexible circuit (1 2).
1 0. Dispositif de connexion selon l'une quelconque des revendications 1 à 9, caractérisé en ce que les moyens (20) de conformation maintiennent en appui le circuit souple (1 2) contre le support (1 6) et comportent à cet effet des moyens (60) de liaison au support (1 6) par encliquetage.1 0. Connection device according to any one of claims 1 to 9, characterized in that the means (20) of conformation keep in support the flexible circuit (1 2) against the support (1 6) and comprise for this purpose means (60) for connecting to the support (1 6) by snap-fastening.
1 1 . Dispositif de connexion selon l'une quelconque des revendications 1 à 1 0, caractérisé en ce qu'il comprend des moyens (22) de positionnement d'un support d'un autre dispositif de connexion auquel il est susceptible d'être connecté.1 1. Connection device according to any one of Claims 1 to 1 0, characterized in that it comprises means (22) for positioning a support of another connection device to which it is capable of being connected.
1 2. Dispositif de connexion selon la revendication 1 1 , caractérisé en ce que le support (1 6) comprend des formes complémentaires par rapport à un plan sensiblement médian assurant le positionnement relatif de deux supports, les deux supports identiques étant disposés tête-bêche.1 2. Connection device according to claim 1 1, characterized in that the support (1 6) comprises complementary shapes with respect to a substantially median plane ensuring the relative positioning of two supports, the two identical supports being arranged head to tail .
1 3. Dispositif de connexion selon la revendication 1 2, caractérisé en ce que le support (1 6) comprend d'une part un réceptacle (38) recevant le circuit souple ( 1 2) et les moyens (20) de conformation, et d'autre, un logement (74) susceptible de recevoir le réceptacle (38) d'un second support lorsque deux dispositifs sont connectés tête-bêche.1 3. Connection device according to claim 1 2, characterized in that the support (1 6) comprises on the one hand a receptacle (38) receiving the flexible circuit (1 2) and the means (20) of conformation, and on the other, a housing (74) capable of receiving the receptacle (38) of a second support when two devices are connected head to tail.
1 4. Dispositif de connexion selon la revendication 1 2, caractérisé en ce que le support (1 6) se présente sous la forme d'un U dont la base (90) supporte le circuit souple (1 2) et le moyens (20) de conformation et dont les branches (92, 94) ont des formes complémentaires susceptibles d'assurer le positionnement relatif entre supports.1 4. Connection device according to claim 1 2, characterized in that the support (1 6) is in the form of a U whose base (90) supports the flexible circuit (1 2) and the means (20) of conformation and whose branches (92, 94) have complementary shapes capable of ensuring the relative positioning between supports.
1 5. Dispositif de connexion selon l'une quelconque des revendications 1 2 à 1 4, caractérisé en ce que le support comprend des moyens de maintien dans la position connectée.1 5. Connection device according to any one of claims 1 2 to 1 4, characterized in that the support comprises means for holding in the connected position.
1 6. Dispositif de connexion selon la revendication 1 5, caractérisé en ce que le support comprend un ergot (83, 1 1 2) et un logement ou orifice correspondant (84, 1 1 4), ledit ergot (83, 1 1 2) d'un premier support étant susceptible de s'immobiliser par encliquetage dans le logement ou orifice (84, 1 1 4) d'un second support.1 6. Connection device according to claim 1 5, characterized in that the support comprises a lug (83, 1 1 2) and a corresponding housing or orifice (84, 1 1 4), said lug (83, 1 1 2 ) of a first support being capable of being immobilized by snap-fastening in the housing or orifice (84, 1 1 4) of a second support.
1 7. Dispositif de connexion selon la revendication 1 1 , caractérisé en ce qu'il comprend un élément distinct (36) assurant le positionnement et le maintien en position de deux supports connectés. 1 7. Connection device according to claim 1 1, characterized in that it comprises a separate element (36) ensuring the positioning and the holding in position of two connected supports.
EP03760737A 2002-06-24 2003-06-18 Connection device for flexible circuit Withdrawn EP1520322A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0207802 2002-06-24
FR0207802A FR2841394B1 (en) 2002-06-24 2002-06-24 CONNECTION DEVICE FOR FLEXIBLE CIRCUIT
PCT/FR2003/001857 WO2004001906A1 (en) 2002-06-24 2003-06-18 Connection device for flexible circuit

Publications (1)

Publication Number Publication Date
EP1520322A1 true EP1520322A1 (en) 2005-04-06

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Application Number Title Priority Date Filing Date
EP03760737A Withdrawn EP1520322A1 (en) 2002-06-24 2003-06-18 Connection device for flexible circuit

Country Status (8)

Country Link
US (1) US7131861B2 (en)
EP (1) EP1520322A1 (en)
JP (1) JP2005531111A (en)
KR (1) KR20050013153A (en)
CN (1) CN100459294C (en)
AU (1) AU2003260600A1 (en)
FR (1) FR2841394B1 (en)
WO (1) WO2004001906A1 (en)

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Also Published As

Publication number Publication date
FR2841394A1 (en) 2003-12-26
AU2003260600A1 (en) 2004-01-06
JP2005531111A (en) 2005-10-13
WO2004001906A1 (en) 2003-12-31
FR2841394B1 (en) 2004-11-19
US7131861B2 (en) 2006-11-07
KR20050013153A (en) 2005-02-02
CN100459294C (en) 2009-02-04
CN1672294A (en) 2005-09-21
US20060099849A1 (en) 2006-05-11

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