EP2690719A1 - Cable retention cover of a connector - Google Patents

Cable retention cover of a connector Download PDF

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Publication number
EP2690719A1
EP2690719A1 EP13168193.4A EP13168193A EP2690719A1 EP 2690719 A1 EP2690719 A1 EP 2690719A1 EP 13168193 A EP13168193 A EP 13168193A EP 2690719 A1 EP2690719 A1 EP 2690719A1
Authority
EP
European Patent Office
Prior art keywords
connector
shell
clipping
holding device
ring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP13168193.4A
Other languages
German (de)
French (fr)
Other versions
EP2690719B1 (en
Inventor
Gaspard Cayzac
Davy Montet
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.)
Amphenol Air LB SAS
Original Assignee
Amphenol Air LB 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 Amphenol Air LB SAS filed Critical Amphenol Air LB SAS
Publication of EP2690719A1 publication Critical patent/EP2690719A1/en
Application granted granted Critical
Publication of EP2690719B1 publication Critical patent/EP2690719B1/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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
    • 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
    • H01R13/56—Means for preventing chafing or fracture of flexible leads at outlet from coupling part
    • H01R13/567—Traverse cable outlet or wire connection
    • 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
    • H01R13/56—Means for preventing chafing or fracture of flexible leads at outlet from coupling part
    • H01R13/562—Bending-relieving

Definitions

  • connection devices and in particular the connection devices for cables.
  • These cables can be electrical cables or other types of cables, such as optical cables.
  • cable is meant in the following text any element for transmitting energy, signal, fluid, for example an electric cable, an optical cable, or a hydraulic line.
  • the invention relates more particularly to a device for holding the cable bundles arriving at a connector, whether this connector is a two-part connector, each part being able to be provided with the cable holding device in question, or that the holding device is only installed on a base connector part or on a plug connector part.
  • plug connector part is meant a connector piece secured to a wall, for example to a wall of an appliance casing, or a wall forming part of the internal structure of a vehicle, for example automobile or aeronautics.
  • plug connector part is meant a connection end which can move with the end of a cable to connect to a base piece.
  • a connector part generally comprises one or more central blocks provided, on one of their faces, with orifices into which the ends of the cables to be connected are inserted.
  • the central blocks are provided on their opposite face, a male or female connection terminal opposite each cable, adapted to be inserted into a connection terminal of another central block.
  • the connector usually includes a body holding the central blocks.
  • the entrance (on the cable arrival side) of the body of the connector must be wide enough (typically, as wide as the output face of the connector body, which emerge the connection faces of the central blocks), so as to insert in the connector several bundles of cables, and to be able to connect the cables of the same beam, if necessary, to separate central blocks.
  • the connector is generally associated with a connector cover, which can be assembled around the input of the connector once the cable connections made with the central blocks.
  • This cover is generally provided with cable guide holes which are each placed around a bundle of cables and for laterally retaining the bundles of cables.
  • Strapping of each bundle of cables can be set up so as to join a bundle of cables with one of the cable guide members, and axially maintain the bundle of cables relative to the connector.
  • covers may for example comprise two half-shells screwed together with fine pitch metal screws.
  • the strapping can then be performed using metal strapping bands whose end is cut after the strapping operation.
  • the invention aims to provide a connector holding device, allowing a quick assembly without tools of the holding device.
  • This holding device is also completely removable, in that it does not require the replacement of a portion of the assembly or strapping means following an intervention on the connector.
  • This device also allows not to transmit tensile forces to the inner cable portions of the connector
  • the half shells are designed to be clipped together on the connector after strapping the cable guide members, the clipping being done by axial displacement towards the connector.
  • the clipping members are configured to perform their function by being spaced apart or compressed in a second direction perpendicular to the first direction.
  • the clipping members may be for example elastic tabs deviating in the second direction.
  • the centering flanges can be configured to be inserted axially into a cable exit opening of the connector when clipping the half-shells. circled on the connector.
  • the cable outlet opening is at its final dimension when inserting the flanges.
  • the connector is in final assembly configuration at the time of clipping of the holding device, and does not need to be partially disassembled or widen the exit opening of the cables to accommodate the edges of centering. Because the half-shells are hinged before inserting them axially into the connector, it is easier, at the time of strapping, to thread the braids or sheaths protecting each bundle of cables over the cable guide members, to tighten them. on the cable guide member by the strapping, then stretch these circled sheaths at their ends by clipping the holding device on the connector.
  • the locations dedicated to the strapping, the clipping members and the centering flanges are preferably dimensioned to be able to ensure by themselves the cohesion of the device with the connector.
  • the half-shells can be assembled to the connector using only the previous elements.
  • the cohesion of the two half-shells between them can be improved by reliefs of the half-shells for clipping one of the half-shells on the other half-shell.
  • the first cable guide member and the second cable guide member form, once circled, a substantially cylindrical conduit.
  • the shell comprises a plurality of parallel guide ducts, the axes of the ducts being preferably arranged in the same plane.
  • each half shell comprises two elastic tabs each extending in a substantially axial direction, and each carrying a hooking end adapted to be clipped on a relief or a complementary recess formed on the connector, and preferably on a relief or a complementary hollow formed on an outer face of the connector.
  • the assembly of the two half-shells can be done by bringing the two half-shells closer to one another in a first direction, and the two clipping lugs can then be on either side of the half-shell, in being aligned next a second direction perpendicular to the first direction. (In other words, it is necessary to move in the second direction to go from a first leg to the second leg of the same half-shell).
  • the centering flanges preferably run at least a portion of the half-shell not parallel to the first direction, so as to block the distance of a half-shell from the other half-shell in this same direction.
  • Each centering flange may optionally consist of one or more pins protruding from the half shell to the right of this portion not parallel to the first direction, or comprise a tongue portion along the half shell to the right of this portion.
  • the strapping may comprise a substantially cylindrical inner surface ring portion, and, in the assembled position of the device, the first cable guide member of the first half-shell and the second cable-guide member of the second half-shell may comprise an end flange. protruding axially from the ring portion, and protruding radially from the inside diameter of the ring portion.
  • the substantially cylindrical duct may comprise an outer circumferential groove of axial width substantially equal to the axial width of the ring portion.
  • the outer groove comprises a cylindrical surface limited at one axial end by the body of the shell, and limited to the other axial end by the end rim.
  • the outer diameter of the circumferential groove is slightly less than the inside diameter of the ring, the radial thickness available between the cylindrical duct and the ring to allow to insert the thickness corresponding to a braid or envelope of protection surrounding the surrounding wire bundle held by the cable guide.
  • the device comprises a strapping means comprising a first half-gripper and a second half-gripper each comprising the same number of half-portions of axle rings parallel to each other, each half-gripper having at least one clipping member between each half-ring portion and a clipping member on either side of the set of half-portions of rings, the two half-clips are configured to be clipped with each other so as to grip in each ring portion a first cable guide member of the first half-shell, and a second cable guide member of the second half shell.
  • the first half-gripper is a piece identical to the second half-gripper. This embodiment is particularly advantageous if the number of cylindrical cable guide ducts is odd.
  • the ring comprises two half-rings made of polymer-based material, fitting in a hinge at one of their ends, and comprising at their other ends a clipping end complementary to a clipping end of the other half ring.
  • the half-rings each comprise a one-piece armature extending between the hinge end and the clipping end, and comprising these two ends, the armature being molded in thermoplastic material having a module of Young between 4000 MPa and 5000 MPa, for example polyetherimide.
  • each half ring or half-ring portion comprises on its inner face, at least one pin, a strip or a bearing surface of elastomeric material.
  • the pin, the strip or the bearing surface is locally raised relative to a substantially cylindrical inner surface of the armature of the ring or the half-gripper.
  • each half ring comprises on its inner face, at least one elastomeric strip extending in a circumferential direction.
  • each elastomeric band extends circumferentially only on a central portion of the half-ring, without reaching the hinge end or the clipping end.
  • the band elastomer extends over a portion greater than or equal to two thirds of the half circumference of the ring.
  • the elastomeric strip may be overmolded on a groove of the inner surface of the ring or the half ring portion, and have a central channel in which the radial thickness is reduced relative to the maximum radial thickness of the strip.
  • the elastomer constituting the strip or the bearing surface is preferably a silicone elastomer, to ensure a substantially constant behavior over a very wide temperature range.
  • the clipping end of one of the half rings comprises a tongue configured to slide through an opening of the clipping end of the other half ring.
  • the radial bending stiffness of the half-rings and the clipping force of the ring are such that the ring can be closed and clipped by manual pressure on the two half-rings.
  • the hinge between the two half-rings and the clipping between the ends of the two half-rings are provided by interlocking complementary shapes of the two half-rings, without adding additional connecting piece.
  • the elastic clipping tabs are preferably monoblock with a portion of the half-shell masking the cable bundles, extend, on the opposite side to their clipping end, by an unclip tab for levering with respect to a band of Hinge clip for manually tilting the tab by pressing the tab. It is thus possible by pressing two fingers on the four tabs of the shell, to facilitate clipping on the connector or to allow unclipping of the holding device with the connector.
  • connection assembly comprising a connector adapted to connect at least a first and a second wiring harness.
  • the connector comprises a body inside which join the first and second bundles of cables.
  • the assembly comprising at least one holding device as described above, clipped on the connector.
  • the holding device is able to be clipped onto the connector after assembly of the connector on the cables, without the geometry of the connector need to be modified during or after clipping of the holding device.
  • the ends of the resilient tabs are clipped for example on dedicated clipping grooves formed on the connector.
  • the grooves extend in the first direction (closing direction of the shell by assembling the two half-shells).
  • groove is meant here as well a recessed shape, a shoulder rail in relief, behind which can hang the end of the clipping lugs.
  • the connector comprises portions in relief. These raised portions are placed so as to prevent the half-shells from sliding in the first direction relative to the connector, for example placed on a line of meeting between the two half-shells. These raised portions are preferably on an outer surface of the connector, and if the ends of the elastic tabs are clipped on dedicated clipping grooves, may be located along these grooves.
  • the figure 1 illustrates some elements of a holding cap 3 according to the invention.
  • the elements are placed in relation to four bundles of cables 10 each surrounded by a protective conductive braid 9 and arriving at the bottom of the figure to a connector (not shown).
  • one of the cable bundles is shown without protective braid, and in fact, the cover according to the invention can also be used to connect cables without braid or other protective sheath.
  • the holding device, or cover, 3 comprises two half-shells of which only the first, a half-shell 1, is represented on the figure 1 .
  • the second half shell 2 is for example visible on the overview in figure 4 .
  • Each half-shell comprises a shell body 5 forming a half-casing covering all the cable bundles arriving at the connector on an axial portion thereof, and also comprises a series of cable-guide members 4, each capable of coming to be placed around one of the bundles of cables arriving at the shell body 5.
  • the two half-shells 1 and 2 are able to be assembled with each other so as to put each cable guide member of the first half hull with a cable guide member of the second half hull.
  • Each pair of cable guide members then forms a substantially cylindrical shell portion adapted to surround an axial portion of one of the cable bundles 10.
  • the outside of the guide members 4 has a substantially cylindrical portion 13 limited, the opposite side to shell body 5, by an end flange 12, of diameter greater than that of the cylindrical portion 13. It can also be considered the cylindrical portion 13 as a circumferential groove surrounding all of the two cable guide members 4 of the two half-shells 1 and 2.
  • Each cable guide member therefore connects the inside of the shell body 5 and the outside of the shell body, where each cable bundle ceases to be held by the cover 3 or the connector.
  • the wire guide members 4 have here been represented in number of four, but it goes without saying that any number of cable guide members may be provided, the number of cable guide members preferably being equal to the number of central blocks of the connector.
  • a hood can be provided in which each half shell comprises only one or two cable guide members.
  • z direction means the direction z corresponding to the direction of engagement of the two halves of the connector, which is here also the direction of arrival of the cables on the connector.
  • the first direction x denotes the direction in which the two half-shells 1 and 2 are moved relative to each other to assemble them together and obtain a cover shell 3, and the second direction y denotes the direction perpendicular to both x and z directions.
  • the direction is here the direction corresponding to the largest dimension of the half-shell 1.
  • the half-shell 1 and the half-shell 2 comprise a centering flange 14 allowing the end of the shell (formed by the two half-shells) to be inserted inside the shell. an axial portion of the end of the connector. This provides an axial overlap between the shell and the connector, which contributes to the centering of the shell relative to the connector, and which keeps the two half-shells assembled with each other in the vicinity of the connector.
  • the axial overlap zone also makes it possible to ensure electrical contact between the shell and the connector by virtue of the presence of contact bulges 15 which are formed on the shell and / or on the connector, in the axial overlap zone.
  • each half-shell is provided with centering flanges 36 making it possible to have an overlap in the first direction x of the first half-shell with the second half-shell.
  • Each half shell comprises two resilient clipping tabs 7, which are integral with the shell body 5 and with the cable guide members 4.
  • the elastic tabs 7 extend in the axial direction z, and are located relative to each other. the other on either side of all the cable guide members, in the docking areas of the first half-shell 1 on the second half-shell 2.
  • Each elastic tab 7 comprises a clipping end 8 adapted to be inserted behind a relief, or in a hollow, of the connector body.
  • the elastic lug extends, on the axially opposite side to its clipping end, by an uncliping tab 11.
  • the blade formed by the clipping tab-unclip tab assembly is attached to the shell body 5 by a hinge strip 32 around from which the blade can rotate. Thus, when the release tabs 11 are depressed, the two elastic tabs 7 are pivoted so as to disengage their attachment end 8 from the complementary reliefs of the connector.
  • the introduction of the cover 3 can for example be done in the following manner. After having connected the different cables of the beams 10 to the central blocks of the connector (not shown), the two half-shells 1 and 2 are closed one on the other to surround each of the bundles of cables by the cable guide members 4 of FIG. each of the two half-hulls.
  • the shell formed by the half-shells 1 and 2 is, in this step, slightly set back relative to the connector, that is to say that the tabs 7 are not clipped on the connector.
  • the braids 9 of each bundle of cables are then stretched over two complementary cable guide members of the two half-shells.
  • the end of the braids 9 has been shown as if it had been passed over the cable guide members 4 after assembly of the two half-shells 1 and 2, although the half-shell 2 is not visible in the figure.
  • the end of the braids 9 matches the outer contour of the cable guide members 4 of the shell.
  • the braid 9 is then tightened on the cable guide members by means of a strapping ring 6 made of plastic, which is housed in the circumferential groove 13, so as to be held axially by the end rim 12 of the guide.
  • Each half shell is a monoblock injected piece of plastic, for example thermoplastic material may include conductive fillers.
  • Each half-shell may be metallized on its outer face, for example by vacuum deposition, or by other known surface metallization techniques. This metallization ensures electrical continuity between the shielding braids 9 and an outer face of the two half-shells 1 and 2, in particular by clamping the braid 9 on the outer surface of the guide members 4. Electrical continuity is also ensured between the outer faces of the two half-shells and a connector body 26 or 27 (not shown in FIG. figure 1 but visible on the figure 4 ). This second continuity is provided by the contact bulges 15 of the shells, which are metallized, the metallization layer extending to the outer face of each half-shell. Once the holding device 3 assembled to the connector, these bulges 15 which are compressed between the covering areas of the shell and an inner face of the end of the connector (not visible in the figures).
  • the figure 2 illustrates a clamping ring 6 of the holding device 3 illustrated in FIG. figure 1 .
  • the ring 6 comprises a first half-ring 16 and a second half-ring 17 articulated around a hinge obtained by rotating a hook 19, integrated at a circumferential end of the first half-ring 16, around a molded hinge axis 20 at one circumferential end of the second half-ring 17.
  • Each half-ring comprises a reinforcement 33 in the form of a hollow half-cylinder extending substantially over an angular sector of 180 °, from its hinge end, for example from the hinge hook 19, to its clipping end, for example to the end of the ring 16 comprising the clipping opening 24.
  • the hinge hook 19 and the hinge pin 20 are molded integrally in the same material as the cylindrical armature 33 of each half-ring.
  • the second half-ring 17 At its end opposite the hinge zone, the second half-ring 17 comprises a clipping tab 23 whose harpoon end hooks onto a shoulder 25 of the first half-ring 16.
  • the Shoulder 25 is here placed behind a clipping orifice 24 of the first half-ring, which must pass through the clipping tongue 23 to hook onto the shoulder 25.
  • each of the half rings has a substantially cylindrical surface from which two elastomeric strips 21 extending circumferentially on the inside of the ring emerge in relief.
  • Each of the strips 21 is overmolded on a circumferential groove formed on the inner face 18 of the ring (groove not visible in the figures).
  • Each of the strips 21 comprises a circumferential central channel 22, extending substantially at mid-width of the strip.
  • the elastomeric strips axially retain the braid 9 because of their high coefficient of friction.
  • these elastomeric strips 21 exert, when the ring is clipped around the cable guide members 4 and the braid 9, a radial spring return force tending both to open the ring, and to block the clipping ends 23, 25, the ring in the locked position.
  • This elastic force can be countered by a simple pressure of two fingers of an operator, either at the time of the clipping operation or, if necessary, at the time of an unclipping operation of the ring 6.
  • the radial excess thickness of the elastomeric strips 21 with respect to the inner face 18 of the two half-rings also allows the ring 6 to be used with different thicknesses of the braid or the protective sheath 9.
  • each elastomeric band 21 extends over a sector representing substantially two-thirds to three-quarters of the inner circumference of the half-ring, on a central portion of the half-ring: the end zones of each half-ring (zones hinge and clipping areas) are therefore devoid of these elastomeric strips.
  • central channels 22 of the elastomeric strips makes it possible to add additional flexibility to the radial deformation of the elastomer strips. It is not departing from the scope of the invention if the two elastomer strips are replaced by any number of elastomer strips, or by an elastomeric surface covering the entire width of each half-ring, and extending over all or part of the inner circumference of the half ring.
  • the figure 3 is a perspective view of the first half-ring 16 where we see more clearly, because they appear here almost face, the elastomeric strips 21 and their central channels 22.
  • the armature 33 is a one-piece piece molded in a sufficiently rigid material, and of sufficient tensile stress, to withstand the necessary forces at the hinge end and at the clipping end.
  • the material typically a thermoplastic material, must, on the other hand, be sufficiently flexible to allow closure by clipping of the ring 6 by pressing two fingers of an operator,
  • the elastomer strips 21 are then overmolded.
  • the figure 4 is a simplified view of a connector assembled on either side of a support plate 28.
  • the connector comprises a base portion 26, and a plug portion 27.
  • the base portion 26 is clipped to the inside an orifice of the support plate 28, and the plug portion 27 is subsequently secured to the base portion 26.
  • the clipping ends 8 of the elastic tabs 7 are hooked on a relief 29 of the base portion 26 or the plug portion 27.
  • the relief 29 has substantially the shape of a rail extending in the first direction x.
  • Each unclipping tab 11 of one of the half-shells is positioned next to, and in the extension of, an unclip tab 11 of the other half-shell.
  • the operator has only to press two support zones 37 and 38 (each comprising two side-by-side unclip tabs) substantially continuous facing each other. both sides of the connector.
  • Each clipping rail 29 is interrupted, substantially at the center of its length, by a blocking relief 31.
  • the thickness along the second direction y of the locking relief 31 allows it to be inserted into a notch 30 (visible on the figure 1 ) arranged under the elastic tabs 11, between two adjacent elastic tabs.
  • the relief 31 thus blocks the assembled shell of the cover 3 relative to a possible movement in the first direction x.
  • the notches 30 and the blocking relief 31 make it possible to carry out a first centering of the cover 3 during the snapping of it to the blocking relief 31.
  • the blocking relief 31 is inserted between the elastic tabs 7 before the centering flange 14 begins to engage in the end of the connector.
  • the notches 30 formed between the elastic tabs 7 can be inserted on either side of a dedicated locking relief for this purpose, and disposed on or in the vicinity of the hooking rail 29. or the notches 30 can be inserted on either side of the connector elements also dedicated to functions other than the centering of the cover 3, for example on either side of a flexion tab 34 to block or release a drawer 35.
  • the blocking elements (relief 31, leg 34 ...) may not be the same on both sides of the same half shell.
  • the locking elements may also be different between a plug portion and a base portion of the same connector. It is conceivable to center the hood with a blocking relief only at one of the meeting points of the two half-shells, and not to center it at the other meeting point. It is also conceivable to center the hood only by means of the centering flange 14.
  • the figure 5 illustrates a strapping means 40 according to the invention, which can be used in place of the rings 6 illustrated in FIG. figure 2 .
  • the strapping means 40 comprises a first half-gripper 41 and a second half-gripper 42 which, when assembled, define ring portions 46 having two substantially cylindrical inner surfaces 18.
  • Each ring portion 46 thus consists of two half-ring portions, for example 39a and 43a, 39b and 43b, or 39c and 43c, of internal diameter and axial length corresponding substantially respectively to the outer diameter of the circumferential groove 13 guide members 4 and the axial length of the circumferential groove 13.
  • the first half-gripper 41 is thus provided with three half-ring portions 39a, 39b and 39c.
  • the second half-gripper 42 is provided with three half-portions of rings 43a, 43b and 43c. Between each half-portion of rings and at both ends of the half-gripper, either side of all the half-portions of rings, each half-clamp is provided with at least one clipping member which may have a first clipping member geometry 44, here in the form of a harpoon, or a second geometry 45 clipping member complementary to the first form of clipping member, here a housing 45 adapted to receive the end of the harpoon 44.
  • the first half-gripper 41 and the second half-gripper 42 can be placed face face to face so that, each time, a clipping member 44 of the first type is in front of a clipping member 45 of the second type.
  • the strapping means is provided to fit on a holding cap receiving three bundles of cables.
  • Each of the half-clips therefore comprises three half-ring portions and four clipping members.
  • the first half-gripper 41 may be the same part as the second half-gripper 42, a clipping member 44 being each placed symmetrically with respect to a clipping member of the type 45 along the half-gripper -pince.
  • the invention is not limited to the embodiments described and can be declined in many variants.
  • the generating section of the rings may be other than rectangular.
  • the contour of the section may for example be rounded outwardly of the rings, and rectilinear on the inside of the rings.
  • the circumferential groove 13 itself may be other than cylindrical. It may for example have two frustoconical portions with a minimum section diameter, in which a minimum section diameter of a ring would be housed. also having two frustoconical sections.
  • Clipping tabs 7 may not be provided with tabs 11 unclipping.
  • Each of the two half-shells can carry a single leg, so that once assembled, the shell comprises two clipping lugs adapted to snap on both sides of the connector. It is also possible to envisage embodiments in which one of the half-shells has two elastic tabs, and the other half-shell bears no elastic tab. In the embodiment where each of the half-shell carries two tabs, the attachment of the holding device is improved because each of the half-shell can be secured to the connector independently of its assembly or not with the other half-shell.
  • the rim of the centering 14 could be discontinuous and not extend over the entire perimeter of the half shell.
  • the centering relief 31, positioned in the example described between the clipping lugs 7, could be replaced by an axial relief inserted in a notch of the shell body 5, at the interface between the bodies of the two half-shells, or another point of the docking contour of the half-shell on the connector.
  • the cohesion between the two half-shells could be improved, using clipping reliefs to secure the two half-shells together before setting up the strapping rings.
  • Clipping tabs 7 could be provided with a recessed area at their end, in which would be inserted a raised element projecting from the side face of the connector.
  • the holding cap according to the invention can be assembled quickly, ensures good electrical continuity between the braids and the connector, as well as good axial retention of the braids to prevent the loosening thereof.
  • the cover can be assembled or disassembled manually, without specific tools, and without the addition of a new band ring if an intervention is necessary on the connector.

Abstract

The device (3) has a set of half-shells (1), where each half-shell is arranged with a guiding unit (4) for guiding a cable e.g. electric cable. The set of half-shells is held against each other by a strap ring (6) surrounding the guiding unit. The set of half-shells is arranged with a set of clamping legs (7) that is adapted to be hung on a set of projections of a clip of a connector. The set of half-shells is centered on a set of edges (14) and is axially inserted inside the connector, where the edges limit distance of one half-shell with regard to another half-shell on insertion. An independent claim is also included for a connection assembly.

Description

L'invention concerne les dispositifs de connexion, et notamment les dispositifs de connexion pour câbles. Ces câbles peuvent être des câbles électriques ou d'autres types de câbles, tels que les câbles optiques.The invention relates to connection devices, and in particular the connection devices for cables. These cables can be electrical cables or other types of cables, such as optical cables.

Par câble, on entend dans la suite du texte tout élément de transmission d'énergie, de signal, de fluide, par exemple un câble électrique, un câble optique, ou une conduite hydraulique.By cable is meant in the following text any element for transmitting energy, signal, fluid, for example an electric cable, an optical cable, or a hydraulic line.

L'invention concerne plus particulièrement un dispositif de maintien des faisceaux de câbles arrivant à un connecteur, que ce connecteur soit un connecteur en deux parties, chaque partie pouvant être munie du dispositif de maintien de câbles en question, ou que le dispositif de maintien soit uniquement installé sur une pièce de connecteur d'embase ou sur une pièce de connecteur de fiche.The invention relates more particularly to a device for holding the cable bundles arriving at a connector, whether this connector is a two-part connector, each part being able to be provided with the cable holding device in question, or that the holding device is only installed on a base connector part or on a plug connector part.

Par pièce de connecteur d'embase, on entend une pièce de connecteur arrimée à une paroi, par exemple à une paroi d'un carter d'appareil, ou une paroi faisant partie de la structure interne d'un véhicule, par exemple automobile ou aéronautique.By plug connector part, is meant a connector piece secured to a wall, for example to a wall of an appliance casing, or a wall forming part of the internal structure of a vehicle, for example automobile or aeronautics.

Par pièce de connecteur de fiche, on entend une extrémité de connexion qui peut se déplacer avec l'extrémité d'un câble pour venir se connecter à une pièce d'embase.By plug connector part is meant a connection end which can move with the end of a cable to connect to a base piece.

Ce type de connecteurs peut notamment être utilisé dans des engins de transport, par exemple dans des avions, pour assurer l'alimentation électriques des appareils embarqués ou assurer des échanges de données entre deux appareils ayant des composants électroniques. Une pièce de connecteur comprend généralement un ou plusieurs blocs centraux munis, sur une de leur face, d'orifices dans lesquels sont insérées les extrémités des câbles à connecter. Les bloc centraux sont munis, sur leur face opposée, d'une borne de connexion mâle ou femelle en regard de chaque câble, apte à s'insérer dans une borne de connexion d'un autre bloc central.This type of connector can in particular be used in transport devices, for example in aircraft, to provide power to embedded devices or to exchange data between two devices with electronic components. A connector part generally comprises one or more central blocks provided, on one of their faces, with orifices into which the ends of the cables to be connected are inserted. The central blocks are provided on their opposite face, a male or female connection terminal opposite each cable, adapted to be inserted into a connection terminal of another central block.

Le connecteur comprend généralement un corps maintenant les blocs centraux. L'entrée (du côté de l'arrivée des câbles) du corps du connecteur doit être assez large (typiquement, sensiblement aussi large que la face de sortie du corps du connecteur, dont émergent les faces de connexion des blocs centraux), de manière à pouvoir insérer dans le connecteur plusieurs faisceaux de câbles, et à pouvoir connecter les câbles d'un même faisceau, si besoin, à des blocs centraux distincts.The connector usually includes a body holding the central blocks. The entrance (on the cable arrival side) of the body of the connector must be wide enough (typically, as wide as the output face of the connector body, which emerge the connection faces of the central blocks), so as to insert in the connector several bundles of cables, and to be able to connect the cables of the same beam, if necessary, to separate central blocks.

Le connecteur est généralement associé à un capot de connecteur, qui peut être assemblé autour de l'entrée du connecteur une fois les connexions des câbles réalisées avec les blocs centraux. Ce capot est généralement doté d'orifices guides câbles venant se placer chacun autour d'un faisceau de câbles et permettant de retenir latéralement les faisceaux de câbles.The connector is generally associated with a connector cover, which can be assembled around the input of the connector once the cable connections made with the central blocks. This cover is generally provided with cable guide holes which are each placed around a bundle of cables and for laterally retaining the bundles of cables.

Un cerclage de chaque faisceau de câbles peut être mis en place de manière à solidariser un faisceau de câbles avec un des organes guide câbles, et à maintenir axialement le faisceau de câbles par rapport au connecteur.Strapping of each bundle of cables can be set up so as to join a bundle of cables with one of the cable guide members, and axially maintain the bundle of cables relative to the connector.

Ces capots peuvent par exemple comprendre deux demi coques vissées ensemble à l'aide de vis métalliques à pas fin. Le cerclage peut ensuite s'effectuer à l'aide de bandes de cerclage métalliques dont l'extrémité est coupée après l'opération de cerclage.These covers may for example comprise two half-shells screwed together with fine pitch metal screws. The strapping can then be performed using metal strapping bands whose end is cut after the strapping operation.

L'assemblage du capot est alors fastidieuse et nécessite des outils spécifiques tels que des tournevis et des pinces de cerclage. Il faut en outre gérer les déchets de cerclage pour que ceux-ci ne restent pas collés ou coincés sur le connecteur.The assembly of the hood is then tedious and requires specific tools such as screwdrivers and strapping pliers. In addition, the strapping waste must be managed so that it does not stick or get stuck on the connector.

En outre, si une intervention doit être réalisée pour rétablir une connexion d'un des câbles avec un bloc central, les cerclages métalliques sont fastidieux à rompre et doivent être ensuite remplacés par de nouveaux cerclages, toujours avec un outils adéquat.In addition, if an intervention must be made to restore a connection of one of the cables with a central block, the metal strapping is tedious to break and must then be replaced by new strapping, always with adequate tools.

L'invention a pour but de proposer un dispositif de maintien pour connecteur, permettant un assemblage rapide et sans outils du dispositif de maintien. Ce dispositif de maintien est en outre entièrement démontable, en ce sens qu'il ne nécessite pas le remplacement d'une partie des moyens d'assemblage ou de cerclage suite à une intervention sur le connecteur. Ce dispositif permet en outre de ne pas transmettre d'efforts de traction aux portions de câbles intérieures au connecteurThe invention aims to provide a connector holding device, allowing a quick assembly without tools of the holding device. This holding device is also completely removable, in that it does not require the replacement of a portion of the assembly or strapping means following an intervention on the connector. This device also allows not to transmit tensile forces to the inner cable portions of the connector

Un dispositif de maintien d'au moins un faisceau de câbles, apte à être fixé sur un connecteur, est proposé à cet effet. Le dispositif comprend une première et une seconde demi coques, munies chacune d'au moins un organe guide câble pour chaque faisceau. Les organes guide câbles sont configurés pour maintenir le faisceau orienté suivant une direction axiale. De manière préférentielle, les deux demi coques sont aptes à être assemblées entre elles et aptes à être solidarisées avec une extrémité du connecteur pour former une coque recouvrant une portion de chacun des faisceaux maintenu par le dispositif. Les deux demi coques sont configurées pour pouvoir être rapprochées l'une de l'autre suivant une première direction. Une fois en contact mutuel, les deux demi coques sont configurées pour pouvoir être maintenues l'une contre l'autre au moyen d'au moins un cerclage entourant un premier organe guide câble de la première demi coque et un second organe guide câble de la seconde demi coque. Les deux demi coques comprennent :

  • un ou plusieurs organes de clipsage, aptes à être accrochés à un ou plusieurs reliefs de clipsage du connecteur;
  • un ou plusieurs premiers rebords de centrage, aptes à être insérés axialement à l'intérieur du connecteur, positionnés de manière à limiter, une fois insérés, l'éloignement de la demi-coque par rapport à l'autre demi coque.
A device for holding at least one cable bundle, which can be fixed on a connector, is proposed for this purpose. The device comprises first and second half-shells, each provided with at least one cable guide member for each beam. The cable guide members are configured to keep the beam oriented in an axial direction. Preferably, the two half-shells are able to be assembled together and able to be secured to one end of the connector to form a shell covering a portion of each of the beams held by the device. The two half-shells are configured to be close to each other in a first direction. Once in mutual contact, the two half-shells are configured to be held against each other by means of at least one strapping surrounding a first cable guide member of the first half-shell and a second cable guide member of the second half hull. The two half-hulls include:
  • one or more clipping members, adapted to be hooked to one or more clipping reliefs of the connector;
  • one or more first centering flanges, able to be inserted axially inside the connector, positioned so as to limit, once inserted, the distance of the half-shell relative to the other half-shell.

Les demi coques sont conçues pour pouvoir être clipsées ensemble sur le connecteur après cerclage des organes guide câble, le clipsage se faisant par déplacement axial en direction du connecteur. De préférence, les organes de clipsage sont configurés pour assurer leur fonction en étant écartés ou comprimés suivant une seconde direction perpendiculaire à la première direction. Les organes de clipsage peuvent être par exemple des pattes élastiques s'écartant suivant la seconde direction. Les rebords de centrage peuvent être configurés pour être insérés, suivant une direction axiale, à l'intérieur d'une ouverture de sortie de câbles du connecteur, lors du clipsage des demi-coques cerclées sur le connecteur. De préférence, l'ouverture de sortie de câble est à sa dimension finale lors de l'insertion des rebords. On entend par là que le connecteur est en configuration finale d'assemblage au moment du clipsage du dispositif de maintien, et ne nécessite pas d'être partiellement démonté ni d'élargir l'ouverture de sortie des câbles afin d'accueillir les rebords de centrage. Du fait que l'on cercle les demi coques avant des les insérer axialement dans le connecteur, on peut plus facilement, au moment du cerclage, enfiler les tresses ou les gaines protégeant chaque faisceau de câbles par-dessus les organes guide câbles, les serrer sur l'organe guide câble par le cerclage, puis tendre ces gaines cerclées à leur extrémité en clipsant le dispositif de maintien sur le connecteur.The half shells are designed to be clipped together on the connector after strapping the cable guide members, the clipping being done by axial displacement towards the connector. Preferably, the clipping members are configured to perform their function by being spaced apart or compressed in a second direction perpendicular to the first direction. The clipping members may be for example elastic tabs deviating in the second direction. The centering flanges can be configured to be inserted axially into a cable exit opening of the connector when clipping the half-shells. circled on the connector. Preferably, the cable outlet opening is at its final dimension when inserting the flanges. By this is meant that the connector is in final assembly configuration at the time of clipping of the holding device, and does not need to be partially disassembled or widen the exit opening of the cables to accommodate the edges of centering. Because the half-shells are hinged before inserting them axially into the connector, it is easier, at the time of strapping, to thread the braids or sheaths protecting each bundle of cables over the cable guide members, to tighten them. on the cable guide member by the strapping, then stretch these circled sheaths at their ends by clipping the holding device on the connector.

Les emplacements dédiés aux cerclages, les organes de clipsage et les rebords de centrage sont de préférence dimensionnés pour pouvoir assurer à eux seuls la cohésion du dispositif avec le connecteur.The locations dedicated to the strapping, the clipping members and the centering flanges are preferably dimensioned to be able to ensure by themselves the cohesion of the device with the connector.

De manière préférentielle, les demi coques peuvent être assemblées au connecteur à l'aide des seuls éléments précédents. Selon une variante de réalisation, la cohésion des deux demi-coques entre elles peut être améliorée par des reliefs des demi-coques permettant de clipser l'une des demi coques sur l'autre demi-coque.Preferably, the half-shells can be assembled to the connector using only the previous elements. According to an alternative embodiment, the cohesion of the two half-shells between them can be improved by reliefs of the half-shells for clipping one of the half-shells on the other half-shell.

Selon un mode de réalisation préféré, le premier organe guide câble et le second organe guide câble forment, une fois cerclés, un conduit sensiblement cylindrique. De manière préférentielle, la coque comprend plusieurs conduits de guidage parallèles, les axes des conduits étant de préférence disposés dans un même plan.According to a preferred embodiment, the first cable guide member and the second cable guide member form, once circled, a substantially cylindrical conduit. Preferably, the shell comprises a plurality of parallel guide ducts, the axes of the ducts being preferably arranged in the same plane.

Avantageusement, chaque demi coque comprend deux pattes élastiques s'étendant chacune suivant une direction sensiblement axiale, et portant chacune une extrémité d'accrochage apte à se clipser sur un relief ou un creux complémentaire ménagé sur le connecteur, et de préférence sur un relief ou un creux complémentaire ménagé sur une face extérieure du connecteur. L'assemblage des deux demi coques peut se faire en rapprochant les deux demi coques l'une de l'autre selon une première direction, et les deux pattes de clipsage peuvent alors se trouver de part et d'autre de la demi coque, en étant alignées suivant une seconde direction perpendiculaire à la première direction. (Autrement dit, il faut se déplacer selon la seconde direction pour aller d'une première patte à la seconde patte d'une même demi-coque). De cette manière, les deux pattes de la demi coque sont aptes à se clipser sur deux côtés radialement opposés du connecteur, et chaque demi coque peut être solidarisée avec le connecteur indépendamment de l'autre demi coque. Les rebords de centrage longent de préférence au moins une portion de la demi coque non parallèle à la première direction, de manière à pouvoir bloquer l'éloignement d'une demi-coque d'avec l'autre demi coque selon cette même direction. Chaque rebord de centrage peut éventuellement être constitué d'un ou plusieurs ergots dépassant de la demi coque au droit de cette portion non parallèle à la première direction, ou comprendre une portion en languette longeant la demi coque au droit de cette portion.Advantageously, each half shell comprises two elastic tabs each extending in a substantially axial direction, and each carrying a hooking end adapted to be clipped on a relief or a complementary recess formed on the connector, and preferably on a relief or a complementary hollow formed on an outer face of the connector. The assembly of the two half-shells can be done by bringing the two half-shells closer to one another in a first direction, and the two clipping lugs can then be on either side of the half-shell, in being aligned next a second direction perpendicular to the first direction. (In other words, it is necessary to move in the second direction to go from a first leg to the second leg of the same half-shell). In this way, the two legs of the half-shell are able to clip on two radially opposite sides of the connector, and each half-shell can be secured to the connector independently of the other half-shell. The centering flanges preferably run at least a portion of the half-shell not parallel to the first direction, so as to block the distance of a half-shell from the other half-shell in this same direction. Each centering flange may optionally consist of one or more pins protruding from the half shell to the right of this portion not parallel to the first direction, or comprise a tongue portion along the half shell to the right of this portion.

Le cerclage peut comprendre une portion de bague de surface intérieure sensiblement cylindrique, et, en position assemblée du dispositif, le premier organe guide câble de la première demi coque et le second organe guide câble de la seconde demi coque peuvent comporter un rebord d'extrémité débordant axialement de la portion de bague, et débordant radialement par rapport au diamètre intérieur de la portion de bague. Le conduit sensiblement cylindrique peut comporter une gorge circonférentielle extérieure de largeur axiale sensiblement égale à la largeur axiale de la portion de bague. Selon un mode de réalisation préféré, la gorge extérieure comprend une surface cylindrique limitée à une extrémité axiale par le corps de la coque, et limitée à l'autre extrémité axiale par le rebord d'extrémité. De manière préférentielle, le diamètre extérieur de la gorge circonférentielle est légèrement inférieur au diamètre intérieur de la bague, l'épaisseur radiale disponible entre le conduit cylindrique et la bague devant permettre d'insérer l'épaisseur correspondant à une tresse ou à une enveloppe de protection entourant le faisceau de câbles entouré maintenu par le guide-câbles.The strapping may comprise a substantially cylindrical inner surface ring portion, and, in the assembled position of the device, the first cable guide member of the first half-shell and the second cable-guide member of the second half-shell may comprise an end flange. protruding axially from the ring portion, and protruding radially from the inside diameter of the ring portion. The substantially cylindrical duct may comprise an outer circumferential groove of axial width substantially equal to the axial width of the ring portion. According to a preferred embodiment, the outer groove comprises a cylindrical surface limited at one axial end by the body of the shell, and limited to the other axial end by the end rim. Preferably, the outer diameter of the circumferential groove is slightly less than the inside diameter of the ring, the radial thickness available between the cylindrical duct and the ring to allow to insert the thickness corresponding to a braid or envelope of protection surrounding the surrounding wire bundle held by the cable guide.

Selon un mode de réalisation avantageux, le dispositif comprend un moyen de cerclage comprenant une première demi-pince et une seconde demi pince comportant chacune un même nombre de demi portions de bagues d'axes parallèles les uns aux autres, chaque demi-pince comportant au moins un organe de clipsage entre chaque demi portion de bague et un organe de clipsage de part et d'autre de l'ensemble des demi-portions de bagues, les deux demi pinces sont configurées pour pouvoir être clipsée l'une avec l'autre de manière à enserrer dans chaque portion de bague un premier organe guide câble de la première demi coque, et un second organe guide câble de la seconde demi coque. Selon un mode de réalisation préféré, la première demi pince est une pièce identique à la seconde demi pince. Ce mode de réalisation est particulièrement avantageux si le nombre de conduits cylindriques de guidage de câbles est impair.According to an advantageous embodiment, the device comprises a strapping means comprising a first half-gripper and a second half-gripper each comprising the same number of half-portions of axle rings parallel to each other, each half-gripper having at least one clipping member between each half-ring portion and a clipping member on either side of the set of half-portions of rings, the two half-clips are configured to be clipped with each other so as to grip in each ring portion a first cable guide member of the first half-shell, and a second cable guide member of the second half shell. According to a preferred embodiment, the first half-gripper is a piece identical to the second half-gripper. This embodiment is particularly advantageous if the number of cylindrical cable guide ducts is odd.

Selon un autre mode de réalisation avantageux, la bague comprend deux demi bagues en matière à base polymère, s'emboîtant selon une charnière à une de leurs extrémités, et comportant à leurs autres extrémités une extrémité de clipsage complémentaire d'une extrémité de clipsage de l'autre demi bague. Selon un mode de réalisation préféré, les demi bagues comprennent chacune une armature monobloc s'étendant entre l'extrémité de charnière et l'extrémité de clipsage, et comprenant ces deux extrémités, l'armature étant moulée en matière thermoplastique présentant un module d'Young compris entre 4000 MPa et 5000 MPa, par exemple en polyétherimide.According to another advantageous embodiment, the ring comprises two half-rings made of polymer-based material, fitting in a hinge at one of their ends, and comprising at their other ends a clipping end complementary to a clipping end of the other half ring. According to a preferred embodiment, the half-rings each comprise a one-piece armature extending between the hinge end and the clipping end, and comprising these two ends, the armature being molded in thermoplastic material having a module of Young between 4000 MPa and 5000 MPa, for example polyetherimide.

Avantageusement, chaque demi bague ou portion de demi bague comprend sur sa face intérieure, au moins un pion, une bande ou une surface d'appui en matériau élastomère. Selon un mode de réalisation préféré, le pion, la bande ou la surface d'appui est localement en relief par rapport à une surface intérieure sensiblement cylindrique de l'armature de la bague ou de la demi pince.Advantageously, each half ring or half-ring portion comprises on its inner face, at least one pin, a strip or a bearing surface of elastomeric material. According to a preferred embodiment, the pin, the strip or the bearing surface is locally raised relative to a substantially cylindrical inner surface of the armature of the ring or the half-gripper.

Par exemple, chaque demi bague comprend sur sa face intérieure, au moins une bande élastomère s'étendant suivant une direction circonférentielle. Selon un mode de réalisation préféré, chaque bande élastomère ne s'étend circonférentiellement que sur une portion centrale de la demi bague, sans atteindre l'extrémité de charnière ni l'extrémité de clipsage. De manière préférentielle, la bande élastomère s'étend sur une portion supérieure ou égale aux deux tiers de la demi circonférence de la bague.For example, each half ring comprises on its inner face, at least one elastomeric strip extending in a circumferential direction. According to a preferred embodiment, each elastomeric band extends circumferentially only on a central portion of the half-ring, without reaching the hinge end or the clipping end. Preferably, the band elastomer extends over a portion greater than or equal to two thirds of the half circumference of the ring.

La bande élastomère peut être surmoulée sur un sillon de la surface intérieure de la bague ou de la demi portion de bague, et présenter un canal central dans lequel l'épaisseur radiale est réduite par rapport à l'épaisseur radiale maximale de la bande. L'élastomère constituant la bande ou la surface d'appui est de préférence un élastomère de type silicone, pour assurer un comportement sensiblement constant sur une très large plage de température.The elastomeric strip may be overmolded on a groove of the inner surface of the ring or the half ring portion, and have a central channel in which the radial thickness is reduced relative to the maximum radial thickness of the strip. The elastomer constituting the strip or the bearing surface is preferably a silicone elastomer, to ensure a substantially constant behavior over a very wide temperature range.

Avantageusement, l'extrémité de clipsage d'une des demi bagues comprend une languette configurée pour se glisser au travers d'une ouverture de l'extrémité de clipsage de l'autre demi bague. Avantageusement, la rigidité en flexion radiale des demi bagues et la force de clipsage de la bague sont tels que la bague peut être fermée et clipsée par pression manuelle sur les deux demi bagues. De manière préférentielle, la charnière entre les deux demi bagues et le clipsage entre les extrémités des deux demi bagues sont assurés par emboîtement de formes complémentaires des deux demi bagues, sans apport de pièce de liaison supplémentaire.Advantageously, the clipping end of one of the half rings comprises a tongue configured to slide through an opening of the clipping end of the other half ring. Advantageously, the radial bending stiffness of the half-rings and the clipping force of the ring are such that the ring can be closed and clipped by manual pressure on the two half-rings. Preferably, the hinge between the two half-rings and the clipping between the ends of the two half-rings are provided by interlocking complementary shapes of the two half-rings, without adding additional connecting piece.

Les pattes élastiques de clipsage sont de préférence monoblocs avec une partie de la demi coque masquant les faisceaux de câbles, se prolongent, du côté opposé à leur extrémité de clipsage, par une languette de déclipsage permettant de faire levier par rapport à une bande d'attache charnière pour incliner manuellement la patte par pression sur la languette. Il est ainsi possible par pression de deux doigts sur les quatre languettes de la coque, de faciliter le clipsage sur le connecteur ou de permettre le déclipsage du dispositif de maintien d'avec le connecteur.The elastic clipping tabs are preferably monoblock with a portion of the half-shell masking the cable bundles, extend, on the opposite side to their clipping end, by an unclip tab for levering with respect to a band of Hinge clip for manually tilting the tab by pressing the tab. It is thus possible by pressing two fingers on the four tabs of the shell, to facilitate clipping on the connector or to allow unclipping of the holding device with the connector.

Selon un autre aspect de l'invention, il est proposé un ensemble de connexion comprenant un connecteur apte à raccorder au moins un premier et un second faisceau de câbles. Le connecteur comprend un corps à l'intérieur duquel se rejoignent les premier et second faisceaux de câbles. L'ensemble comprenant au moins un dispositif de maintien tel que décrit précédemment, clipsé sur le connecteur. Avantageusement, le dispositif de maintien est apte à être clipsé sur le connecteur après assemblage du connecteur sur les câbles, sans que la géométrie du connecteur n'ait besoin d'être modifiée pendant ou après le clipsage du dispositif de maintien.According to another aspect of the invention, there is provided a connection assembly comprising a connector adapted to connect at least a first and a second wiring harness. The connector comprises a body inside which join the first and second bundles of cables. The assembly comprising at least one holding device as described above, clipped on the connector. Advantageously, the holding device is able to be clipped onto the connector after assembly of the connector on the cables, without the geometry of the connector need to be modified during or after clipping of the holding device.

Dans cet ensemble, les extrémités des pattes élastiques sont par exemple clipsées sur des rainures de clipsage dédiées, ménagées sur le connecteur. Les rainures s'étendent suivant la première direction (direction de fermeture de la coque par assemblage des deux demi coques). Par rainure on entend ici aussi bien une forme en creux, qu'un rail d'épaulement en relief, derrière lequel peut s'accrocher l'extrémité des pattes de clipsage.In this assembly, the ends of the resilient tabs are clipped for example on dedicated clipping grooves formed on the connector. The grooves extend in the first direction (closing direction of the shell by assembling the two half-shells). By groove is meant here as well a recessed shape, a shoulder rail in relief, behind which can hang the end of the clipping lugs.

Selon un mode de réalisation préféré qui peut se combiner au précédent, le connecteur comprend des portions en relief. Ces portions en relief sont placées de manière à empêcher les demi coques de coulisser selon la première direction par rapport au connecteur, par exemple placées sur une ligne de rencontre entre les deux demi coques. Ces portions en relief se trouvent de préférence sur une surface extérieure du connecteur, et si les extrémités des pattes élastiques sont clipsées sur des rainures de clipsage dédiées, peuvent se trouver le long de ces rainures.According to a preferred embodiment which can be combined with the previous one, the connector comprises portions in relief. These raised portions are placed so as to prevent the half-shells from sliding in the first direction relative to the connector, for example placed on a line of meeting between the two half-shells. These raised portions are preferably on an outer surface of the connector, and if the ends of the elastic tabs are clipped on dedicated clipping grooves, may be located along these grooves.

D'autres buts, caractéristiques et avantages de l'invention apparaîtront à la lecture de la description suivante, donnée uniquement à titre d'exemple non limitatif, et faite en référence aux dessins annexés sur lesquels :

  • la figure 1 est une perspective éclatée partielle d'un système de maintien selon l'invention,
  • la figure 2 est une vue en perspective d'un élément d'un dispositif de maintien selon l'invention,
  • la figure 3 est une vue d'une sous-partie de l'élément de la figure 2, et
  • la figure 4 est une vue en perspective d'un connecteur en deux parties muni de deux dispositifs de maintien selon l'invention, et
  • la figure 5 est une vue en perspective d'un moyen de cerclage d'un dispositif de maintien selon l'invention.
Other objects, features and advantages of the invention will appear on reading the following description, given solely by way of nonlimiting example, and with reference to the appended drawings in which:
  • the figure 1 is a partial exploded perspective of a holding system according to the invention,
  • the figure 2 is a perspective view of an element of a holding device according to the invention,
  • the figure 3 is a view of a sub-part of the element of the figure 2 , and
  • the figure 4 is a perspective view of a two-part connector provided with two holding devices according to the invention, and
  • the figure 5 is a perspective view of a strapping means of a holding device according to the invention.

La figure 1 illustre quelques éléments d'un capot de maintien 3 selon l'invention. Les éléments sont mis en situation par rapport à quatre faisceaux de câbles 10 entourés chacun d'une tresse conductrice protectrice 9 et arrivant en partie inférieure de la figure à un connecteur (non représenté).The figure 1 illustrates some elements of a holding cap 3 according to the invention. The elements are placed in relation to four bundles of cables 10 each surrounded by a protective conductive braid 9 and arriving at the bottom of the figure to a connector (not shown).

Pour faciliter la lecture de la figure, un des faisceaux de câbles est représenté sans tresse de protection, et de fait, le capot selon l'invention peut également être utilisé pour connecter des câbles sans tresse ou sans autre gaine de protection.To facilitate the reading of the figure, one of the cable bundles is shown without protective braid, and in fact, the cover according to the invention can also be used to connect cables without braid or other protective sheath.

Le dispositif de maintien, ou capot, 3, comprend deux demi coques dont seule la première, une demi coque 1, est représentée sur la figure 1. La seconde demi coque 2 est par exemple visible sur la vue d'ensemble en figure 4. Chaque demi coque comprend un corps de coque 5 formant un demi boîtier recouvrant l'ensemble des faisceaux de câbles arrivant au connecteur sur une portion axiale de ceux-ci, et comprend également une série d'organes guides de câbles 4, aptes chacun à venir se placer autour d'un des faisceaux de câbles arrivant au corps de coque 5. Les deux demi coques 1 et 2 sont aptes à être assemblées l'une avec l'autre de manière à mettre en regard chaque organe guide câble de la première demi coque avec un organe guide câbles de la seconde demi coque. Chaque couple d'organes guide câbles forme alors une portion de coque sensiblement cylindrique apte à entourer une portion axiale d'un des faisceaux de câbles 10. L'extérieur des organes de guidage 4 présente une portion sensiblement cylindrique 13 limitée, du côté opposé au corps de coque 5, par un rebord d'extrémité 12, de diamètre supérieur à celui de la portion cylindrique 13. On peut aussi considérer la portion cylindrique 13 comme une gorge circonférentielle entourant l'ensemble des deux organes guides câbles 4 des deux demi coques 1 et 2.The holding device, or cover, 3 comprises two half-shells of which only the first, a half-shell 1, is represented on the figure 1 . The second half shell 2 is for example visible on the overview in figure 4 . Each half-shell comprises a shell body 5 forming a half-casing covering all the cable bundles arriving at the connector on an axial portion thereof, and also comprises a series of cable-guide members 4, each capable of coming to be placed around one of the bundles of cables arriving at the shell body 5. The two half-shells 1 and 2 are able to be assembled with each other so as to put each cable guide member of the first half hull with a cable guide member of the second half hull. Each pair of cable guide members then forms a substantially cylindrical shell portion adapted to surround an axial portion of one of the cable bundles 10. The outside of the guide members 4 has a substantially cylindrical portion 13 limited, the opposite side to shell body 5, by an end flange 12, of diameter greater than that of the cylindrical portion 13. It can also be considered the cylindrical portion 13 as a circumferential groove surrounding all of the two cable guide members 4 of the two half-shells 1 and 2.

Chaque organe guide câble relie donc l'intérieur du corps de coque 5 et l'extérieur du corps de coque, où chaque faisceau de câble cesse d'être maintenu par le capot 3 ou le connecteur.Each cable guide member therefore connects the inside of the shell body 5 and the outside of the shell body, where each cable bundle ceases to be held by the cover 3 or the connector.

Les organes guides câbles 4 ont ici été représentés au nombre de quatre, mais il va de soi qu'un nombre quelconque d'organes guides câbles peut être prévu, le nombre d'organes guides câbles étant de préférence égal au nombre de blocs centraux du connecteur. On peut notamment prévoir un capot où chaque demi coque comprend seulement un ou deux organes guides câbles.The wire guide members 4 have here been represented in number of four, but it goes without saying that any number of cable guide members may be provided, the number of cable guide members preferably being equal to the number of central blocks of the connector. In particular, a hood can be provided in which each half shell comprises only one or two cable guide members.

On désigne dans tout le texte, par direction axiale z, la direction z correspondant à la direction d'engagement des deux moitiés du connecteur, qui est ici aussi la direction d'arrivée des câbles sur le connecteur. On désigne par première direction x, la direction selon laquelle on déplace les deux demi coques 1 et 2 l'une par rapport à l'autre pour les assembler ensemble et obtenir une coque du capot 3, et on désigne par seconde direction y, la direction perpendiculaire, à la fois aux directions x et z. La direction y est ici la direction correspondant à la plus grande dimension de la demi-coque 1.Throughout the text, z direction means the direction z corresponding to the direction of engagement of the two halves of the connector, which is here also the direction of arrival of the cables on the connector. The first direction x denotes the direction in which the two half-shells 1 and 2 are moved relative to each other to assemble them together and obtain a cover shell 3, and the second direction y denotes the direction perpendicular to both x and z directions. The direction is here the direction corresponding to the largest dimension of the half-shell 1.

Sur son côté axialement opposé aux organes guides câbles 4, la demi coque 1 et la demi coque 2 comprennent un rebord de centrage 14 permettant d'insérer l'extrémité de la coque (formée par les deux demi-coques) à l'intérieur d'une portion axiale de l'extrémité du connecteur. On obtient ainsi un recouvrement axial entre la coque et le connecteur, qui contribue au centrage de la coque par rapport au connecteur, et qui permet de maintenir les deux demi-coques assemblées l'une avec l'autre au voisinage du connecteur.On its axially opposite side to the cable guide members 4, the half-shell 1 and the half-shell 2 comprise a centering flange 14 allowing the end of the shell (formed by the two half-shells) to be inserted inside the shell. an axial portion of the end of the connector. This provides an axial overlap between the shell and the connector, which contributes to the centering of the shell relative to the connector, and which keeps the two half-shells assembled with each other in the vicinity of the connector.

La zone de recouvrement axial permet également d'assurer un contact électrique entre la coque et le connecteur grâce à la présence de renflements de contact 15 qui sont ménagés sur la coque et/ou sur le connecteur, dans la zone de recouvrement axiale.The axial overlap zone also makes it possible to ensure electrical contact between the shell and the connector by virtue of the presence of contact bulges 15 which are formed on the shell and / or on the connector, in the axial overlap zone.

De manière similaire, chaque demi coque est munie de rebords de centrage 36 permettant d'avoir un recouvrement selon la première direction x de la première demi coque avec la seconde demi coque.Similarly, each half-shell is provided with centering flanges 36 making it possible to have an overlap in the first direction x of the first half-shell with the second half-shell.

Chaque demi coque comprend deux pattes élastiques de clipsage 7, qui sont monoblocs avec le corps de coque 5 et avec les organes guides câbles 4. Les pattes élastiques 7 s'étendent suivant la direction axiale z, et sont situées l'une par rapport à l'autre de part et d'autre de l'ensemble des organes guides câbles, dans les zones d'accostage de la première demi-coque 1 sur la seconde demi-coque 2.Each half shell comprises two resilient clipping tabs 7, which are integral with the shell body 5 and with the cable guide members 4. The elastic tabs 7 extend in the axial direction z, and are located relative to each other. the other on either side of all the cable guide members, in the docking areas of the first half-shell 1 on the second half-shell 2.

Chaque patte élastique 7 comprend une extrémité de clipsage 8 apte à venir s'insérer derrière un relief, ou dans un creux, du corps de connecteur. La patte élastique se prolonge, du côté axialement opposé à son extrémité de clipsage, par une languette de déclipsage 11. La lame formée par l'ensemble patte de clipsage-languette de déclipsage est rattachée au corps de coque 5 par une bande charnière 32 autour de laquelle la lame peut pivoter. Ainsi, lorsque l'on appuie sur les languettes de déclipsage 11, on fait pivoter les deux pattes élastiques 7 de manière à dégager leur extrémité d'accrochage 8 des reliefs complémentaires du connecteur.Each elastic tab 7 comprises a clipping end 8 adapted to be inserted behind a relief, or in a hollow, of the connector body. The elastic lug extends, on the axially opposite side to its clipping end, by an uncliping tab 11. The blade formed by the clipping tab-unclip tab assembly is attached to the shell body 5 by a hinge strip 32 around from which the blade can rotate. Thus, when the release tabs 11 are depressed, the two elastic tabs 7 are pivoted so as to disengage their attachment end 8 from the complementary reliefs of the connector.

La mise en place du capot 3 peut par exemple se faire de la manière suivante. Après avoir connecté les différents câbles des faisceaux 10 aux blocs centraux du connecteur (non représentés), on vient fermer les deux demi coques 1 et 2 l'une sur l'autre pour entourer chacun des faisceaux de câbles par les organes guides câbles 4 de chacune des deux demi coques. La coque formée par les demi coques 1 et 2 est, à cette étape, légèrement en retrait par rapport au connecteur, c'est-à-dire que les pattes 7 ne sont pas clipsées sur le connecteur.The introduction of the cover 3 can for example be done in the following manner. After having connected the different cables of the beams 10 to the central blocks of the connector (not shown), the two half-shells 1 and 2 are closed one on the other to surround each of the bundles of cables by the cable guide members 4 of FIG. each of the two half-hulls. The shell formed by the half-shells 1 and 2 is, in this step, slightly set back relative to the connector, that is to say that the tabs 7 are not clipped on the connector.

On vient ensuite tendre les tresses 9 de chaque faisceau de câbles par-dessus deux organes guide câbles complémentaire des deux demi-coques. Sur la figure 1, l'extrémité des tresses 9 a été représentée comme si elle avait été passée par-dessus les organes guides câbles 4 après assemblage des deux demi coques 1 et 2, bien que la demi coque 2 ne soit pas visible sur la figure. L'extrémité des tresses 9 épouse le contour extérieur des organes guides câbles 4 de la coque. On vient ensuite serrer la tresse 9 sur les organes guides câbles au moyen d'une bague de cerclage 6 en matière plastique, venant se loger dans la gorge circonférentielle 13, de manière à être retenue axialement par le rebord d'extrémité 12 des organes de guidage.The braids 9 of each bundle of cables are then stretched over two complementary cable guide members of the two half-shells. On the figure 1 , the end of the braids 9 has been shown as if it had been passed over the cable guide members 4 after assembly of the two half-shells 1 and 2, although the half-shell 2 is not visible in the figure. The end of the braids 9 matches the outer contour of the cable guide members 4 of the shell. The braid 9 is then tightened on the cable guide members by means of a strapping ring 6 made of plastic, which is housed in the circumferential groove 13, so as to be held axially by the end rim 12 of the guide.

Chaque demi coque est une pièce monobloc injectée en matière plastique, par exemple en matière thermoplastique pouvant comporter des charges conductrices. Chaque demi-coque peut être métallisée sur sa face extérieure, par exemple par dépôt sous vide, ou par d'autres techniques de métallisation de surface connues. Cette métallisation permet d'assurer une continuité électrique entre les tresses de blindage 9 et une face extérieure des deux demi coques 1 et 2, grâce notamment au serrage de la tresse 9 sur la surface extérieure des organes de guidage 4. Une continuité électrique est également assurée entre les faces extérieures des deux demi coques et un corps de connecteur 26 ou 27 (non représenté sur la figure 1, mais visible sur la figure 4). Cette seconde continuité est assurée grâce aux renflements de contact 15 des coques, qui sont métallisés, la couche de métallisation s'étendant jusqu'à la face externe de chaque demi coque. Une fois le dispositif de maintien 3 assemblé au connecteur, ces renflements 15 qui sont comprimés entre les zones de recouvrement de la coque et une face intérieure de l'extrémité du connecteur (non visible sur les figures).Each half shell is a monoblock injected piece of plastic, for example thermoplastic material may include conductive fillers. Each half-shell may be metallized on its outer face, for example by vacuum deposition, or by other known surface metallization techniques. This metallization ensures electrical continuity between the shielding braids 9 and an outer face of the two half-shells 1 and 2, in particular by clamping the braid 9 on the outer surface of the guide members 4. Electrical continuity is also ensured between the outer faces of the two half-shells and a connector body 26 or 27 (not shown in FIG. figure 1 but visible on the figure 4 ). This second continuity is provided by the contact bulges 15 of the shells, which are metallized, the metallization layer extending to the outer face of each half-shell. Once the holding device 3 assembled to the connector, these bulges 15 which are compressed between the covering areas of the shell and an inner face of the end of the connector (not visible in the figures).

La figure 2 illustre une bague de serrage 6 du dispositif de maintien 3 illustré à la figure 1.The figure 2 illustrates a clamping ring 6 of the holding device 3 illustrated in FIG. figure 1 .

La bague 6 comprend une première demi bague 16 et une seconde demi bague 17 articulées autour d'une charnière obtenue en faisant tourner un crochet 19, intégrée à une extrémité circonférentielles de la première demi bague 16, autour d'un axe de charnière 20 moulé à une extrémité circonférentielle de la seconde demi bague 17. Chaque demi bague comprend une armature 33 en forme de demi cylindre creux s'étendant sensiblement sur un secteur angulaire de 180°, de son extrémité charnière, par exemple du crochet de charnière 19, à son extrémité de clipsage, par exemple jusqu'à l'extrémité de la bague 16 comprenant l'ouverture de clipsage 24.The ring 6 comprises a first half-ring 16 and a second half-ring 17 articulated around a hinge obtained by rotating a hook 19, integrated at a circumferential end of the first half-ring 16, around a molded hinge axis 20 at one circumferential end of the second half-ring 17. Each half-ring comprises a reinforcement 33 in the form of a hollow half-cylinder extending substantially over an angular sector of 180 °, from its hinge end, for example from the hinge hook 19, to its clipping end, for example to the end of the ring 16 comprising the clipping opening 24.

Le crochet de charnière 19 et l'axe de charnière 20 sont moulés de manière monobloc dans le même matériau que l'armature cylindrique 33 de chaque demi bague. A son extrémité opposée à la zone charnière, la seconde demi bague 17 comporte une languette de clipsage 23 dont l'extrémité en harpon vient s'accrocher sur un épaulement 25 de la première demi bague 16. Afin d'améliorer le maintien, l'épaulement 25 est ici placé derrière un orifice de clipsage 24 de la première demi bague, que doit traverser la languette de clipsage 23 pour venir s'accrocher à l'épaulement 25.The hinge hook 19 and the hinge pin 20 are molded integrally in the same material as the cylindrical armature 33 of each half-ring. At its end opposite the hinge zone, the second half-ring 17 comprises a clipping tab 23 whose harpoon end hooks onto a shoulder 25 of the first half-ring 16. In order to improve the maintenance, the Shoulder 25 is here placed behind a clipping orifice 24 of the first half-ring, which must pass through the clipping tongue 23 to hook onto the shoulder 25.

La zone en relief du harpon est orientée radialement vers l'extérieur de la bague 6, de manière à ce que le harpon soit bloqué en position verrouillée lorsque la bague est sollicitée par une pression radiale à partir de sa face intérieure 18. Sur sa face intérieure 18, chacun des demi bagues comporte une surface sensiblement cylindrique d'où ressortent en relief deux bandes élastomères 21 s'étendant circonférentiellement sur l'intérieur de la bague.The raised area of the harpoon is oriented radially outwardly of the ring 6, so that the harpoon is locked in the locked position when the ring is urged by a radial pressure from its inner face 18. On its face 18, each of the half rings has a substantially cylindrical surface from which two elastomeric strips 21 extending circumferentially on the inside of the ring emerge in relief.

Chacune des bandes 21 est surmoulée sur un sillon circonférentiel ménagé sur la face intérieure 18 de la bague (sillon non visible sur les figures). Chacune des bandes 21 comporte un canal central circonférentiel 22, s'étendant sensiblement à mi-largeur de la bande.Each of the strips 21 is overmolded on a circumferential groove formed on the inner face 18 of the ring (groove not visible in the figures). Each of the strips 21 comprises a circumferential central channel 22, extending substantially at mid-width of the strip.

Ainsi, lors du serrage de la bague 6 autour de la tresse 9 et des deux organes guides câbles 4 se faisant face sur les deux demi coques 1 et 2, les bandes élastomères retiennent axialement la tresse 9 du fait de leur coefficient de frottement élevé. En outre, ces bandes élastomères 21 exercent, lorsque la bague est clipsée autour des organes guides câbles 4 et de la tresse 9, une force radiale de retour élastique tendant à la fois à ouvrir la bague, et à bloquer les extrémités de clipsage 23, 25, de la bague en position verrouillée. Cette force élastique peut être contrée par une simple pression de deux doigts d'un opérateur, soit au moment de l'opération de clipsage, soit au besoin, au moment d'une opération de déclipsage de la bague 6.Thus, when clamping the ring 6 around the braid 9 and the two cable guide members 4 facing each other on the two half-shells 1 and 2, the elastomeric strips axially retain the braid 9 because of their high coefficient of friction. In addition, these elastomeric strips 21 exert, when the ring is clipped around the cable guide members 4 and the braid 9, a radial spring return force tending both to open the ring, and to block the clipping ends 23, 25, the ring in the locked position. This elastic force can be countered by a simple pressure of two fingers of an operator, either at the time of the clipping operation or, if necessary, at the time of an unclipping operation of the ring 6.

La surépaisseur radiale des bandes élastomères 21 par rapport à la face intérieure 18 des deux demi bagues, permet également à la bague 6 d'être utilisée avec différentes épaisseurs de tresse ou de la gaine protectrice 9.The radial excess thickness of the elastomeric strips 21 with respect to the inner face 18 of the two half-rings also allows the ring 6 to be used with different thicknesses of the braid or the protective sheath 9.

De manière avantageuse, chaque bande élastomère 21 s'étend sur un secteur représentant sensiblement deux tiers à trois quarts de la circonférence intérieure de la demi bague, sur une portion centrale de la demi bague : les zones d'extrémité de chaque demi bague (zones de charnière et zones de clipsage) sont donc dépourvues de ces bandes élastomères.Advantageously, each elastomeric band 21 extends over a sector representing substantially two-thirds to three-quarters of the inner circumference of the half-ring, on a central portion of the half-ring: the end zones of each half-ring (zones hinge and clipping areas) are therefore devoid of these elastomeric strips.

Ainsi, au moment de la fermeture de la bague 6 autour d'un couple d'organes guide câbles 4, lorsque l'on vient appliquer la face interne de la zone charnière de la bague 6 contre la tresse 9, on n'est pas gêné par un coefficient de frottement trop élevé de la bague par rapport à la tresse, qui pourrait gêner la fermeture de la bague.Thus, when closing the ring 6 around a pair of cable guide members 4, when it comes to apply the inner face of the hinge zone of the ring 6 against the braid 9, it is not necessary to hampered by a coefficient of friction too high of the ring relative to the braid, which could hinder the closure of the ring.

De même, si l'on souhaite engager les deux extrémités de clipsage ou les dégager l'une de l'autre, et que l'on fait glisser à cet effet ces extrémités par rapport à la tresse 9, on n'est pas gêné par le frottement local de la bague 6 contre la tresse 9.Similarly, if it is desired to engage the two clipping ends or to separate them from one another, and that we slide for this purpose these ends with respect to the braid 9, we are not embarrassed by the local friction of the ring 6 against the braid 9.

La présence des canaux centraux 22 des bandes élastomères permet d'ajouter une souplesse supplémentaire à la déformation radiale des bandes élastomères. On ne s'éloigne pas du cadre de l'invention si on remplace les deux bandes élastomères par un nombre quelconque de bandes élastomères, ou par une surface élastomère couvrant toute la largeur de chaque demi bague, et s'étendant sur tout ou partie de la circonférence intérieure de la demi bague.The presence of the central channels 22 of the elastomeric strips makes it possible to add additional flexibility to the radial deformation of the elastomer strips. It is not departing from the scope of the invention if the two elastomer strips are replaced by any number of elastomer strips, or by an elastomeric surface covering the entire width of each half-ring, and extending over all or part of the inner circumference of the half ring.

On peut également envisager de remplacer les bandes élastomères continues par des bandes élastomères discontinues, ou par des pions élastomères distribués sur la face intérieure de la demi bague, de préférence de manière relativement uniforme sur la face intérieure, et en évitant les zones d'extrémité de la demi bague. On peut également utiliser des bandes élastomères continues sur une portion angulaire de la surface intérieure de la demi bague, et assouplir la bande élastomère 21 en compression radiale par la présence d'évidements discontinus (non représentés) de la bande le long de celle-ci.It is also conceivable to replace the continuous elastomeric strips with discontinuous elastomer strips, or with elastomeric pins distributed on the inner face of the half-ring, preferably in a relatively uniform manner on the inner face, and avoiding the end zones. of the half ring. It is also possible to use continuous elastomeric strips on an angular portion of the inner surface of the half-ring, and to soften the elastomer strip 21 in radial compression by the presence of discontinuous recesses (not shown) of the strip along the latter. .

La figure 3 est une vue en perspective de la première demi bague 16 où l'on voit plus distinctement, car elles apparaissent ici presque de face, les bandes élastomères 21 et leurs canaux centraux 22.The figure 3 is a perspective view of the first half-ring 16 where we see more clearly, because they appear here almost face, the elastomeric strips 21 and their central channels 22.

L'armature 33 est une pièce monobloc moulée dans un matériau suffisamment rigide, et de contrainte à la traction suffisante, pour supporter les efforts nécessaires au niveau de l'extrémité de charnière et au niveau de l'extrémité de clipsage.The armature 33 is a one-piece piece molded in a sufficiently rigid material, and of sufficient tensile stress, to withstand the necessary forces at the hinge end and at the clipping end.

Le matériau, typiquement un matériau thermoplastique, doit en revanche être suffisamment souple pour permettre la fermeture par clipsage de la bague 6 par pression de deux doigts d'un opérateur,The material, typically a thermoplastic material, must, on the other hand, be sufficiently flexible to allow closure by clipping of the ring 6 by pressing two fingers of an operator,

Sur l'armature 33, sont ensuite surmoulées les bandes élastomères 21.On the reinforcement 33, the elastomer strips 21 are then overmolded.

La figure 4 est une vue simplifiée d'un connecteur assemblé de part et d'autre d'une plaque support 28. Le connecteur comprend une partie d'embase 26, et une partie de fiche 27. La partie d'embase 26 est clipsée à l'intérieur d'un orifice de la plaque support 28, et la partie de fiche 27 est par la suite solidarisée avec la partie d'embase 26.The figure 4 is a simplified view of a connector assembled on either side of a support plate 28. The connector comprises a base portion 26, and a plug portion 27. The base portion 26 is clipped to the inside an orifice of the support plate 28, and the plug portion 27 is subsequently secured to the base portion 26.

Sur chacune des parties d'embase 26 ou de fiche 27, est assemblé un capot 3 selon l'invention. On retrouve sur la figure 4 des éléments communs aux figures 1 à 3, les mêmes éléments étant alors désignés par les mêmes références.On each of the base 26 or plug 27, is assembled a cover 3 according to the invention. We find on the figure 4 elements common to Figures 1 to 3 , the same elements being then designated by the same references.

Les extrémités de clipsage 8 des pattes élastiques 7 sont accrochées sur un relief 29 de la partie d'embase 26 ou de la partie de fiche 27. Le relief 29 a sensiblement la forme d'un rail s'étendant suivant la première direction x. Chaque languette de déclipsage 11 d'une des demi coques est positionnée à côté, et dans le prolongement, d'une languette de déclipsage 11 de l'autre demi coque. Ainsi, pour déclipser le capot 3 du connecteur, l'opérateur n'a-t-il qu'à appuyer sur deux zones d'appui 37 et 38 (comprenant chacune deux languettes de déclipsage côte à côte) sensiblement continues se faisant face de part et d'autre du connecteur.The clipping ends 8 of the elastic tabs 7 are hooked on a relief 29 of the base portion 26 or the plug portion 27. The relief 29 has substantially the shape of a rail extending in the first direction x. Each unclipping tab 11 of one of the half-shells is positioned next to, and in the extension of, an unclip tab 11 of the other half-shell. Thus, to unclip the cover 3 of the connector, the operator has only to press two support zones 37 and 38 (each comprising two side-by-side unclip tabs) substantially continuous facing each other. both sides of the connector.

Chaque rail de clipsage 29 est interrompu, sensiblement au centre de sa longueur, par un relief de blocage 31. L'épaisseur suivant la seconde direction y du relief de blocage 31, lui permet de venir s'insérer dans une encoche 30 (visible sur la figure 1) ménagée sous les pattes élastiques 11, entre deux pattes élastiques voisines. Le relief 31 bloque ainsi la coque assemblée du capot 3 par rapport à un éventuel mouvement suivant la première direction x.Each clipping rail 29 is interrupted, substantially at the center of its length, by a blocking relief 31. The thickness along the second direction y of the locking relief 31 allows it to be inserted into a notch 30 (visible on the figure 1 ) arranged under the elastic tabs 11, between two adjacent elastic tabs. The relief 31 thus blocks the assembled shell of the cover 3 relative to a possible movement in the first direction x.

Les encoches 30 et le relief de blocage 31 permettent d'effectuer un premier centrage du capot 3 lors de l'encliquetage de celui-ci vers le relief de blocage 31. Le relief de blocage 31 vient s'insérer entre les pattes élastiques 7 avant que le rebord de centrage 14 ne commence à s'engager dans l'extrémité du connecteur.The notches 30 and the blocking relief 31 make it possible to carry out a first centering of the cover 3 during the snapping of it to the blocking relief 31. The blocking relief 31 is inserted between the elastic tabs 7 before the centering flange 14 begins to engage in the end of the connector.

Selon les variantes de réalisation, les encoches 30 ménagées entre les pattes élastiques 7 peuvent s'insérer de part et d'autre d'un relief de blocage dédié à cet effet, et disposé sur, ou au voisinage, du rail d'accrochage 29, ou bien les encoches 30 peuvent venir s'insérer de part et d'autre d'éléments du connecteur dédiés également à d'autres fonction que le centrage du capot 3, par exemple de part et d'autre d'une patte de flexion 34 servant à bloquer ou à libérer un tiroir 35. Les éléments de blocages (relief 31, patte 34...) peuvent ne pas être les mêmes de part et d'autre d'une même demi coque. Les éléments de blocage peuvent aussi être différents entre une partie de fiche et une partie d'embase d'un même connecteur. On peut envisager de ne centrer par un relief de blocage le capot qu'à l'un des points de rencontre des deux demi coques, et ne pas le centrer au niveau de l'autre point de rencontre. On peut également envisager de centrer le capot uniquement au moyen du rebord de centrage 14.According to the embodiments, the notches 30 formed between the elastic tabs 7 can be inserted on either side of a dedicated locking relief for this purpose, and disposed on or in the vicinity of the hooking rail 29. or the notches 30 can be inserted on either side of the connector elements also dedicated to functions other than the centering of the cover 3, for example on either side of a flexion tab 34 to block or release a drawer 35. The blocking elements (relief 31, leg 34 ...) may not be the same on both sides of the same half shell. The locking elements may also be different between a plug portion and a base portion of the same connector. It is conceivable to center the hood with a blocking relief only at one of the meeting points of the two half-shells, and not to center it at the other meeting point. It is also conceivable to center the hood only by means of the centering flange 14.

La figure 5 illustre un moyen de cerclage 40 selon l'invention, qui peut être employé en lieu et place des bagues 6 illustrées à la figure 2.The figure 5 illustrates a strapping means 40 according to the invention, which can be used in place of the rings 6 illustrated in FIG. figure 2 .

Le moyen de cerclage 40 comprend une première demi-pince 41 et une seconde demi-pince 42 qui, lorsqu'elles sont rassemblées, définissent des portions de bague 46 présentant deux surfaces intérieures 18 sensiblement cylindriques. Chaque portion de bague 46 est ainsi constituée de deux demi-portions de bague, par exemple 39a et 43a, 39b et 43b, ou 39c et 43c, de diamètre intérieur et de longueur axiale correspondant sensiblement, respectivement au diamètre extérieur de la gorge circonférentielle 13 des organes de guidage 4 et à la longueur axiale de la gorge circonférentielle 13.The strapping means 40 comprises a first half-gripper 41 and a second half-gripper 42 which, when assembled, define ring portions 46 having two substantially cylindrical inner surfaces 18. Each ring portion 46 thus consists of two half-ring portions, for example 39a and 43a, 39b and 43b, or 39c and 43c, of internal diameter and axial length corresponding substantially respectively to the outer diameter of the circumferential groove 13 guide members 4 and the axial length of the circumferential groove 13.

La première demi-pince 41 est ainsi munie de trois demi-portions de bague 39a, 39b et 39c. La seconde demi-pince 42 est munie de trois demi-portions de bagues 43a, 43b et 43c. Entre chaque demi-portion de bagues ainsi qu'aux deux extrémités de la demi-pince, de part et d'autre de l'ensemble des demi-portions de bagues, chaque demi pince est munie d'au moins un organe de clipsage qui peut avoir une première géométrie 44 d'organe de clipsage, ici sous forme de harpon, ou une seconde géométrie 45 d'organe de clipsage complémentaire de la première forme d'organe de clipsage, ici un logement 45 apte à recevoir l'extrémité du harpon 44. La première demi-pince 41 et la seconde demi-pince 42 peuvent être placées face à face de manière à ce que, à chaque fois, un organe de clipsage 44 du premier type se trouve en face d'un organe de clipsage 45 du second type.The first half-gripper 41 is thus provided with three half-ring portions 39a, 39b and 39c. The second half-gripper 42 is provided with three half-portions of rings 43a, 43b and 43c. Between each half-portion of rings and at both ends of the half-gripper, either side of all the half-portions of rings, each half-clamp is provided with at least one clipping member which may have a first clipping member geometry 44, here in the form of a harpoon, or a second geometry 45 clipping member complementary to the first form of clipping member, here a housing 45 adapted to receive the end of the harpoon 44. The first half-gripper 41 and the second half-gripper 42 can be placed face face to face so that, each time, a clipping member 44 of the first type is in front of a clipping member 45 of the second type.

Dans l'exemple illustré sur la figure 5, le moyen de cerclage est prévu pour s'adapter sur un capot de maintien recevant trois faisceaux de câbles. Chacune des demi-pinces comporte donc trois demi-portions de bague et quatre organes de clipsage. Dans cette configuration, la première demi-pince 41 peut être la même pièce que la seconde demi-pince 42, un organe de clipsage 44 étant chaque fois placé de manière symétrique par rapport à un organe de clipsage du type 45 le long de la demi-pince.In the example shown on the figure 5 , the strapping means is provided to fit on a holding cap receiving three bundles of cables. Each of the half-clips therefore comprises three half-ring portions and four clipping members. In this configuration, the first half-gripper 41 may be the same part as the second half-gripper 42, a clipping member 44 being each placed symmetrically with respect to a clipping member of the type 45 along the half-gripper -pince.

Avec ce type d'organe de cerclage, on réduit le nombre de pièces à manipuler en vue de l'assemblage du connecteur puisqu'on remplace par deux demi-pinces l'ensemble des demi-bagues 16 et 17 illustrées en figure 2. L'assemblage est en outre facilité, car il est plus aisé pour un opérateur d'appuyer de part et d'autre d'une barrette formée par les deux demi-pinces que de venir assembler séparément les bagues en les insérant dans les intervalles séparant chaque faisceau de câbles.With this type of strapping member, the number of parts to be handled is reduced in order to assemble the connector, since all half-rings 16 and 17 illustrated in FIG. figure 2 . The assembly is also facilitated, because it is easier for an operator to press on either side of a bar formed by the two half-clips that come to assemble separately the rings by inserting them in the intervals between each bundle of cables.

L'invention ne se limite pas aux exemples de réalisation décrits et peut se décliner en de nombreuses variantes. La section génératrice des bagues peut être autre que rectangulaire. Le contour de la section peut par exemple être arrondi vers l'extérieur des bagues, et rectiligne sur l'intérieur des bagues. La gorge circonférentielle 13 elle-même peut être autre que cylindrique. Elle peut par exemple présenter deux portions tronconiques avec un diamètre de section minimale, dans lequel viendrait se loger un diamètre de section minimale d'une bague ayant également deux sections tronconiques. Les pattes de clipsage 7 pourraient n'être pas pourvues de languettes 11 de déclipsage.The invention is not limited to the embodiments described and can be declined in many variants. The generating section of the rings may be other than rectangular. The contour of the section may for example be rounded outwardly of the rings, and rectilinear on the inside of the rings. The circumferential groove 13 itself may be other than cylindrical. It may for example have two frustoconical portions with a minimum section diameter, in which a minimum section diameter of a ring would be housed. also having two frustoconical sections. Clipping tabs 7 may not be provided with tabs 11 unclipping.

Chacune des deux demi coques peut porter une seule patte, de manière à ce qu'une fois assemblée, la coque comprenne deux pattes de clipsage aptes à venir se clipser de part et d'autre du connecteur. On peut également envisager des variantes de réalisation dans lesquelles une des demi coques porte deux pattes élastiques, et l'autre demi coque ne porte aucune patte élastique. Dans le mode de réalisation où chacune des demi coque porte deux pattes, l'accrochage du dispositif de maintien est amélioré, car chacune des demi coque peut être solidarisée du connecteur indépendamment de son assemblage ou non avec l'autre demi coque.Each of the two half-shells can carry a single leg, so that once assembled, the shell comprises two clipping lugs adapted to snap on both sides of the connector. It is also possible to envisage embodiments in which one of the half-shells has two elastic tabs, and the other half-shell bears no elastic tab. In the embodiment where each of the half-shell carries two tabs, the attachment of the holding device is improved because each of the half-shell can be secured to the connector independently of its assembly or not with the other half-shell.

Le rebord du centrage 14 pourrait être discontinu et ne pas s'étendre sur tout le périmètre de la demi coque. Le relief de centrage 31, positionné dans l'exemple décrit entre les pattes de clipsage 7, pourrait être remplacé par un relief axial inséré dans une encoche du corps de coque 5, à l'interface entre les corps des deux demi coques, ou en un autre point du contour d'accostage de la demi coque sur le connecteur. La cohésion entre les deux demi coques pourrait être améliorée, à l'aide de reliefs de clipsage permettant de solidariser les deux demi coques ensemble avant même de mettre en place les bagues de cerclage. Les pattes de clipsage 7 pourraient être munies d'une zone en creux à leur extrémité, dans laquelle viendrait s'insérer un élément en relief formant saillie à partir de la face latérale du connecteur.The rim of the centering 14 could be discontinuous and not extend over the entire perimeter of the half shell. The centering relief 31, positioned in the example described between the clipping lugs 7, could be replaced by an axial relief inserted in a notch of the shell body 5, at the interface between the bodies of the two half-shells, or another point of the docking contour of the half-shell on the connector. The cohesion between the two half-shells could be improved, using clipping reliefs to secure the two half-shells together before setting up the strapping rings. Clipping tabs 7 could be provided with a recessed area at their end, in which would be inserted a raised element projecting from the side face of the connector.

Le capot de maintien selon l'invention peut être assemblé rapidement, assure une bonne continuité électrique entre les tresses et le connecteur, ainsi qu'un bon maintien axial des tresses afin d'éviter le déchaussement de celles-ci. Le capot peut être assemblé ou désassemblé manuellement, sans outils spécifiques, et sans apport de nouvelle bague de cerclage si une intervention est nécessaire sur le connecteur.The holding cap according to the invention can be assembled quickly, ensures good electrical continuity between the braids and the connector, as well as good axial retention of the braids to prevent the loosening thereof. The cover can be assembled or disassembled manually, without specific tools, and without the addition of a new band ring if an intervention is necessary on the connector.

Claims (15)

Dispositif de maintien (3) d'au moins un faisceau (10) de câbles, apte à être fixé sur un connecteur, le dispositif (3) comprenant une première (1) et une seconde (2) demi coques munies chacune d'au moins un organe (4) guide câble pour chaque faisceau, les deux demi coques (1, 2) étant configurées pour pouvoir être maintenues l'une contre l'autre au moyen d'au moins un cerclage (6) entourant un premier organe (4) guide câble de la première demi coque (1) et un second organe (4) guide câble de la seconde (2) demi coque,
caractérisé en ce que
chaque demi coques (1, 2) comprend : - un ou plusieurs organes de clipsage (7), aptes à être accrochés à un ou plusieurs reliefs (29) de clipsage du connecteur; - un ou plusieurs premiers rebords (14) de centrage (1, 2), aptes à être insérés axialement à l'intérieur du connecteur, positionnés de manière à limiter, une fois insérés, l'éloignement de la demi-coque par rapport à l'autre demi coque, Device for holding (3) at least one bundle (10) of cables, capable of being fixed on a connector, the device (3) comprising a first (1) and a second (2) half-shell each provided with at least one cable guide member (4) for each bundle, the two half-shells (1, 2) being configured to be held against each other by means of at least one strapping (6) surrounding a first member ( 4) cable guide of the first half-shell (1) and a second member (4) cable guide of the second (2) half-shell,
characterized in that
each half-shell (1, 2) comprises: - One or more clipping members (7), adapted to be hooked to one or more reliefs (29) of clipping of the connector; one or more first centering flanges (1, 2), capable of being inserted axially inside the connector, positioned so as to limit, once inserted, the distance of the half-shell from the other half hull, Dispositif de maintien selon la revendication 1, dans lequel le premier organe (4) guide câble et le second organe guide câble forment, une fois cerclés, un conduit sensiblement cylindrique.Holding device according to claim 1, wherein the first member (4) cable guide and the second cable guide member form, once circled, a substantially cylindrical conduit. Dispositif de maintien selon l'une des revendications précédentes, dans lequel chaque demi coque (1, 2) comprend deux pattes élastiques (7) s'étendant chacune suivant une direction sensiblement axiale (z) et portant chacune une extrémité d'accrochage (8) apte à se clipser sur un relief (29) ou un creux complémentaire ménagé sur le connecteur.Holding device according to one of the preceding claims, wherein each half shell (1, 2) comprises two elastic tabs (7) each extending in a substantially axial direction (z) and each carrying a hooking end (8). ) adapted to be clipped on a relief (29) or a complementary recess formed on the connector. Dispositif de maintien selon la revendication 3, dans lequel les deux demi coques (1, 2) sont configurées pour être assemblées en rapprochant les deux demi coques l'une de l'autre selon une première direction (x), et dans lequel les deux pattes de clipsage (7) se trouvent de part et d'autre de la demi coque en étant alignées suivant une seconde direction (y) perpendiculaire à la première direction (x).Holding device according to claim 3, wherein the two half-shells (1, 2) are configured to be assembled by bringing the two half-shells closer to each other in a first direction (x), and in which the two half-shells (1, 2) are clipping lugs (7) are on either side of the half-shell being aligned in a second direction (y) perpendicular to the first direction (x). Dispositif de maintien selon l'une des revendications précédentes, comportant un moyen de cerclage (6, 40) comprenant au moins une portion de bague (6, 46) de surface intérieure (18) sensiblement cylindrique, et dans lequel, en position assemblée du dispositif (3), le premier organe guide câble (4) et le second organe guide câble (4) comportent un rebord d'extrémité (12) débordant axialement de la portion de bague, et débordant radialement par rapport au diamètre de la surface intérieure (18) sensiblement cylindrique.Holding device according to one of the preceding claims, comprising a strapping means (6, 40) comprising at least one ring portion (6, 46) of substantially cylindrical inner surface (18), and in which, in the assembled position of the device (3), the first cable guide member (4) and the second cable guide member (4) have an end flange (12) protruding axially from the ring portion and projecting radially with respect to the diameter of the inner surface. (18) substantially cylindrical. Dispositif de maintien selon les revendications 2 et 5, dans lequel le conduit sensiblement cylindrique comporte une gorge circonférentielle extérieure (13) de largeur axiale sensiblement égale à la largeur axiale de la portion de bague (6, 46).Holding device according to claims 2 and 5, wherein the substantially cylindrical conduit has an outer circumferential groove (13) of axial width substantially equal to the axial width of the ring portion (6, 46). Dispositif de maintien selon l'une des revendications 5 à 6, dans lequel la bague comprend deux demi bagues (16, 17) en matière à base polymère, s'emboîtant selon une charnière (19, 20) à une de leurs extrémités, et comportant à leurs autres extrémités une extrémité de clipsage (23, 24) complémentaire d'une extrémité de clipsage de l'autre demi bague.Holding device according to one of claims 5 to 6, wherein the ring comprises two half-rings (16, 17) of polymer-based material, fitting one hinge (19, 20) at one of their ends, and having at their other ends a clipping end (23, 24) complementary to one clipping end of the other half ring. Dispositif de maintien selon la revendication 7, dans lequel l'extrémité de clipsage d'une des demi bagues comprend une languette (23) configurée pour se glisser au travers d'une ouverture (24) de l'extrémité de clipsage de l'autre demi bague.Holding device according to claim 7, wherein the clipping end of one of the half rings comprises a tongue (23) configured to slide through an opening (24) of the clipping end of the other half ring. Dispositif de maintien selon l'une des revendications 5 à 6, dans lequel le moyen de cerclage (40) comprend une première demi-pince (41) et une seconde demi pince (42) comportant chacune un même nombre de demi portions de bagues (39a, 39b, 39c, 43a, 43b, 43c) d'axes parallèles les uns aux autres, chaque demi-pince comportant au moins un organe de clipsage (44, 45) entre chaque demi portion de bague et un organe de clipsage (44, 45) de part et d'autre de l'ensemble des demi-portions de bagues, les deux demi pinces étant configurées pour pouvoir être clipsée l'une avec l'autre de manière à enserrer dans chaque portion de bague (46) un premier organe (4) guide câble de la première demi coque (1) et un second organe (4) guide câble de la seconde (2) demi coque.Holding device according to one of claims 5 to 6, wherein the strapping means (40) comprises a first half-gripper (41) and a second half-gripper (42) each comprising the same number of half portions of rings ( 39a, 39b, 39c, 43a, 43b, 43c) axes parallel to each other, each half-gripper having at least one clipping member (44, 45) between each half ring portion and a clipping member (44). , 45) on either side of the set of half-portions of rings, the two half-clips being configured to be clipped with each other so as to grip each ring portion (46). first organ (4) cable guide of the first half-shell (1) and a second member (4) cable guide of the second (2) half-shell. Dispositif de maintien selon l'une des revendications 5 à 8, dans lequel chaque portion de bague comprend sur une face intérieure (18) de la portion de bague, au moins un pion, une bande (21) ou une surface d'appui en matériau élastomère.Holding device according to one of claims 5 to 8, wherein each ring portion comprises on an inner face (18) of the ring portion, at least one pin, a strip (21) or a bearing surface. elastomeric material. Dispositif de maintien selon la revendication 10, dans lequel chaque portion de bague (1, 2) comprend sur une face intérieure (18) de la portion de bague, au moins une bande élastomère (21) s'étendant suivant une direction circonférentielle de la portion de bague.Holding device according to claim 10, wherein each ring portion (1, 2) comprises on an inner face (18) of the ring portion, at least one elastomeric strip (21) extending in a circumferential direction of the portion of ring. Dispositif de maintien selon la revendication 9, dans lequel la bande élastomère (21) est surmoulée sur un sillon de la face intérieure (18) de la portion de bague, et présente un canal central (22) dans lequel l'épaisseur radiale est réduite par rapport à l'épaisseur radiale maximale de la bande.Holding device according to claim 9, wherein the elastomeric strip (21) is overmolded on a groove of the inner face (18) of the ring portion, and has a central channel (22) in which the radial thickness is reduced relative to the maximum radial thickness of the strip. Dispositif de maintien selon l'une des revendications 3 à 12, dans lequel les pattes élastiques (7) sont monoblocs avec une partie (33) de la demi coque masquant les faisceaux de câbles, et dans lequel les pattes élastiques (7) se prolongent, du côté opposé à leur extrémité de clipsage, par une languette (11) de déclipsage permettant d'incliner manuellement la patte par pression sur la languette.Holding device according to one of claims 3 to 12, wherein the resilient tabs (7) are integral with a portion (33) of the half shell masking the cable bundles, and wherein the elastic tabs (7) extend , on the opposite side to their clipping end, by a tab (11) unclipping for manually tilting the tab by pressing the tab. Ensemble de connexion comprenant un connecteur apte à raccorder au moins un premier et un second faisceaux (10) de câbles, le connecteur comprenant un corps à l'intérieur duquel se rejoignent les premier et second faisceaux de câbles, l'ensemble comprenant en outre au moins un dispositif de maintien (3) selon l'une des revendications 3 à 13, clipsé sur le connecteur.Connection assembly comprising a connector adapted to connect at least a first and a second bundle (10) of cables, the connector comprising a body within which the first and second bundles of cables meet, the assembly further comprising at least less a holding device (3) according to one of claims 3 to 13, clipped on the connector. Ensemble de connexion selon la revendication 14, dans lequel les extrémités des pattes élastiques (7) sont clipsées sur des rainures (29) de clipsage dédiées ménagées sur le connecteur, les rainures s'étendant suivant la première direction (x) et dans lequel le connecteur comprend des portions (31) en relief qui, une fois les deux demi coques (1, 2) assemblées entre elles, empêchent les demi coques de coulisser selon la première direction par rapport au connecteur.Connection assembly according to claim 14, wherein the ends of the resilient tabs (7) are clipped onto dedicated clipping grooves (29) provided on the connector, the grooves extending in the first direction (x) and wherein the connector comprises portions (31) in relief which, once the two half shells (1, 2) assembled together, prevent the half shells from sliding in the first direction relative to the connector.
EP13168193.4A 2012-07-26 2013-05-17 Cable retention cover of a connector Active EP2690719B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1257239A FR2994033B1 (en) 2012-07-26 2012-07-26 HOOD FOR MAINTAINING THE CABLES OF A CONNECTOR

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FR3110782A1 (en) * 2020-05-20 2021-11-26 Caillau Protective sleeve for electric cable
CN116960682A (en) * 2023-08-15 2023-10-27 浙江衢州格林特电线电缆有限公司 DP interface structure

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US20070049105A1 (en) * 2005-08-31 2007-03-01 Tyco Electronic Corporation Connector with rotatable cable exit

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JP2004172067A (en) * 2002-11-22 2004-06-17 Sumitomo Wiring Syst Ltd Connector
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CN110611199A (en) * 2018-09-30 2019-12-24 中航光电科技股份有限公司 Wiring connector
FR3110782A1 (en) * 2020-05-20 2021-11-26 Caillau Protective sleeve for electric cable
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CN116960682B (en) * 2023-08-15 2024-03-12 浙江衢州格林特电线电缆有限公司 DP interface structure

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FR2994033A1 (en) 2014-01-31
FR2994033B1 (en) 2014-08-08

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