EP1689057B1 - Dispositif antiflambage pour un câble électrique - Google Patents

Dispositif antiflambage pour un câble électrique Download PDF

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Publication number
EP1689057B1
EP1689057B1 EP05028336A EP05028336A EP1689057B1 EP 1689057 B1 EP1689057 B1 EP 1689057B1 EP 05028336 A EP05028336 A EP 05028336A EP 05028336 A EP05028336 A EP 05028336A EP 1689057 B1 EP1689057 B1 EP 1689057B1
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EP
European Patent Office
Prior art keywords
cable
section
antikink
electrical
sheath
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP05028336A
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German (de)
English (en)
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EP1689057A1 (fr
Inventor
Oliver Dobler
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Neutrik AG
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Neutrik AG
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Publication date
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Publication of EP1689057A1 publication Critical patent/EP1689057A1/fr
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    • 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
    • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • H01R13/5845—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable the strain relief being achieved by molding parts around cable and connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/005—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for making dustproof, splashproof, drip-proof, waterproof, or flameproof connection, coupling, or casing

Definitions

  • the invention relates to an electrical device, in particular an electrical connector or an electrical device, connectable electrical cable with a kink protection device which has electrical conductors and a cable jacket forming the outer insulation of the cable.
  • a kink protection device for an electrical cable which protects the cable from kinking at the point where it emerges from the housing of an electrical connector or an electrical device, is known in the form of a so-called cable grommet (kink protection grommet). It is an elastic hose-like part, usually wavy or ribbed, which is held on the housing and extends over the adjoining the housing portion of the cable. Other versions are already known in which the cable grommet is molded onto the cable sheath.
  • the object of the invention is to provide an improved anti-kink device of an electric cable, by which a better protection of the electric cable is achieved against a breakage of electrical wires of the cable. According to the invention, this is achieved by an electric cable with a anti-buckling device according to claim 1.
  • the kink protection portion of the cable connected to an electrical device closes on an end-side installation portion of the cable in which this is mechanically and electrically connected to the electrical device, towards the cable center.
  • the thickness of the cable sheath or the anti-buckling layer increases substantially continuously over the anti-buckling section in the direction of the adjacent cable end.
  • the increase in the thickness of the cable sheath or the anti-buckling layer over the kink protection section can be constant. This results in a total conical (pyramidal) thickening of the cable over the kink protection section.
  • the forces acting on the cable during a bending load can be distributed more uniformly, as a result of which the electrical conductors of the cable are better protected against breakage.
  • this kink protection layer advantageously also extends over a section of an installation section of the cable adjoining the kink protection section, namely seamlessly between the cable section Kink protection portion and the portion continuously, wherein the mounting portion connects to the kink protection portion in the direction of the adjacent cable end and is used for mechanical and electrical connection with the electrical device.
  • the anti-buckling layer in the region of this section have a thickness jump from a smaller thickness to a greater thickness, which forms a weg oscilde from the cable end shoulder of the cable, which can be cooperating from the cable end shoulder with a stop of the electrical device to form a cable strain relief , It can thereby be provided an easily formed and quickly assembled Jardinzugentlastungs adopted.
  • this increase in thickness is preferably also applied to the kink protection section in the direction to the adjacent cable end subsequent portion of the mounting portion of the cable, wherein the mounting portion for mechanical and electrical connection with the electrical device is used.
  • This thickness-enlarging subsection of the installation section of the cable can be grasped by holding parts of the electrical device which have contact surfaces corresponding to the course of the cable sheath (which are thus angular or oblique to the longitudinal axis of the cable), which in turn can provide a strain relief device ,
  • An anti-buckling device designed in accordance with the invention may be present in an end region of the cable or in both end regions of the cable.
  • a potting compound in a cable end is already known to form a cable end liquid-tight, as for example in the EP 477 022 A1 and the JP 2003 174 716 A is described. From the DE 43 03 737 A1 Furthermore, a receiving arrangement for a cable end piece is known to accommodate tensile, shear and torsional loads, which is in particular a cable with kink-sensitive optical waveguides as a signal conductor.
  • the receiving assembly comprises a container portion which is slid onto the end portion of the cable. In the container part a potting compound is introduced, which also penetrates into the end portion of the cable. Beforehand, an expansion sleeve is pressed into the cable end, widening the cable sheath.
  • a provided with such a receiving device cable is mounted in a cable connector, so as a bend protection for the cable in the subsequent to the exit point of the housing of the cable connector portion of the cable a separate conventional kink protection sleeve is provided or the kink protection grommet is formed integrally with the container part.
  • FIG. 1 shows schematically a first embodiment of the invention.
  • a cable 1, of which only one end region is shown in FIG. 1 is connected to an electrical device here in the form of an electrical connector 2, d. H. mechanically and electrically connected to the electrical device.
  • the electrical connector 2 shown by way of example in FIG. 1 has electrical plug contacts 4 carried by an insert part 3.
  • the housing of the electrical connector which receives the insert part 3 is formed in two parts and comprises the front housing part 5 and the rear housing part 6, which is screwed with an internal thread on an external thread at the rear end of the housing front part 5.
  • the bottom 7 of the rear housing part 6 has an inlet opening for the cable 1, through which the cable 1 is guided in the housing of the electrical connector 2.
  • the cable 1 has a constant outer diameter d over most of its length.
  • this section 8 of the cable is shown in Fig. 1, only a small part.
  • This anti-buckling portion 9 extends to the point at which a mechanical connection of the cable to the electrical device, ie in the illustrated embodiment with the electrical connector 2, is made.
  • the mounting portion 11 which extends from the beginning of the mechanical connection of the cable with the electrical device to the cable end.
  • the installation section 11 is also an electrical connection of the cable with the electrical device.
  • the kink protection portion 9 of the cable 1 is thus outside the electrical device, d. H. is free, wherein the kink protection portion 9 connects to the connected to the electrical device mounting portion 11.
  • a mechanical connection of the cable 1 is formed in its mounting portion 11 with the electrical connector 2 via an annular collar 10 of the cable, which is clamped between the rear end of the housing front part 5 and the bottom 7 of the rear housing part 6.
  • the electrical connection to the connector via connected to the electrical plug contacts 4 connecting parts 12, to which electrical conductors 13 of the cable, for example, are soldered. Crimp connections or screw connections are conceivable and possible, for example.
  • the cable shown in Fig. 2 has electrical conductors 13, which are each surrounded by an inner insulation 15.
  • the electrical conductors 13 may be formed, for example, as a stranded conductor.
  • the two cores 53 each formed by an electrical conductor 13 and the electrical conductor 13 surrounding the insulation 15 are surrounded by a shield conductor 14 (within the shield conductor 14 can still Beilauffäden or other parts be carried).
  • the outer insulation of the cable is formed by the cable sheath 16.
  • the thickness D of the anti-buckling layer 17 increases over the anti-buckling section 9 in the direction of the adjacent cable end 18 towards.
  • this increase is continuous, so that at a given bending force acting on the cable, the bending radius of the cable continuously increases over the bend protection section 9 in the direction of the cable end 18.
  • the anti-buckling layer 17 would be formed in another embodiment with such a ripple, that nevertheless a substantially continuous increase of the bending radius over the buckling protection section 9 in the direction of the cable end 18 results, it would still be regarded as a substantially continuous increase in the thickness of the anti-buckling layer 17.
  • the increase in the thickness D of the anti-buckling layer 17 via the anti-buckling section 9 is constant, resulting in a wedge-shaped design of the anti-buckling layer 17 in longitudinal section over the anti-buckling section 9.
  • the point at which the anti-buckling layer 17 terminates at the end remote from the cable end 18 represents the end of the anti-buckling section 9 remote from the adjacent cable end 18.
  • the thickness E of the cable sheath 16 is constant over the section 8 of the cable adjoining the cable center.
  • the kink protection section 9 it may in the manufacture of the kink protection section 9 to a reduction in the thickness E of the cable sheath 16 with respect to the cable means subsequent section 8 of the cable, this reduction in the thickness E of the cable sheath is more pronounced, the more widened the cable sheath becomes. For example, in the region of its greatest expansion, the thickness E of the cable sheath 16 may be reduced to about half of the original thickness E (present in section 8 of the cable).
  • this reduction in the thickness E of the cable sheath in the direction closer to the kink protection section 9 cable end is much smaller than the increase in the thickness D disposed within the cable sheath bend protection layer 17, so that the thickness d of the cable over the kink protection section 9 in the direction of the adjacent cable end 18th increases, preferably continuously.
  • the anti-buckling layer 17 extends in the embodiment shown at the cable end 18 facing the end of the anti-buckling section 9 beyond this over a portion 19 of the mounting portion 11 of the cable.
  • the anti-buckling layer 17 forms an outwardly projecting annular collar 20, the side edges are substantially perpendicular to the longitudinal axis 21 of the cable.
  • the cable sheath 16 follows the outer contour of the anti-buckling layer 17. It is characterized by the thickness jump of the anti-buckling layer 17 at the remote from the cable end 18 side edge of the annular collar 20 an annular collar 10 of the cable 1 is formed, which has a pioneering from the adjacent cable end 18 shoulder 22. This can cooperate with a stop of the electrical device to which the cable is mounted to form a cable strain relief. For example, in the electrical connector 2 according to FIG. 1, this stop is formed by the inner wall of the base 7.
  • the cable shown in Fig. 2, for example, can be installed in an electrical connector, as z. B. is shown schematically in Fig. 1.
  • the screen conductor 14 has been omitted for the sake of clarity.
  • the invention is not limited to shielded cables. So the anti-buckling layer 17 z. B. also be arranged between the outer cable sheath 16 and a surrounding the wires of the cable layer of film. Also so-called double-jacket cables are known, which in addition to an outer cable sheath have an inner sheath layer lying within the same. The anti-buckling layer could be introduced in this case between the two sheath layers.
  • the cable is shielded, as shown in Fig. 2, so over the end of the cable sheath 16 projecting part of the shield conductor 14 can be connected, for example, to a shield contact of an electrical connector.
  • a cable for forming a kink protection device according to the invention may be formed in one, two or multi-core.
  • Fig. 3 shows schematically the connection of a cable according to the invention to an electrical device 54, of which in Fig. 3, only a portion of the housing 23, 24 and a circuit board 25 is shown.
  • a screen conductor is again not shown in the cable shown in Fig. 3 for the sake of clarity, but may be present.
  • the electrical conductors 13 are soldered to the circuit board 25, for example.
  • the annular collar 10 of the cable which is formed by the cable sheath 16 coated annular collar 20 of the anti-buckling layer 17, received in one of two housing parts 23, 24 formed annular groove 26.
  • the kink protection section 9 adjoining the installation section 11, in which the mechanical and electrical connection of the cable 1 with the electrical device takes place, is formed in the manner previously described with reference to FIG. 2, whereby the kink protection device for the cable is formed.
  • the anti-buckling portion 9 is formed in the same manner as already described with reference to FIG. 2.
  • the anti-buckling layer which is not visible in FIG. 4, in turn also extends over a subsection 19 of the installation section 11 adjoining the anti-buckling section 9, wherein the installation section 11 again represents the section of the cable 1 extending from the cable end 18 of the anti-buckling section 9 to the cable end 18 in which the mechanical and electrical connection of the cable to the electrical device takes place.
  • the anti-buckling layer 17 Starting from the end of the anti-buckling section 9, the anti-buckling layer 17 initially has a thickness jump to a smaller thickness and after a distance with a constant thickness a thickness jump in turn to greater thickness, which is present at the cable end 18 facing the end of the anti-buckling section 9. By this latter jump in thickness away from the cable end 18 shoulder 22 is formed, which can cooperate for receiving a cable with a corresponding stop of an electrical device to which the cable is mounted. Overall, a thickness around the cable circumferential groove 27 is formed by the thickness jumps of the anti-buckling layer, which follows the cable sheath 16.
  • FIG. 5 A possible installation situation in an electrical device 54 is shown in FIG. 5.
  • the annular groove 27 is received by an opening between the housing parts 23, 24, wherein it overlaps the edges of this opening on both sides.
  • the electrical conductors 13 of the cable can in turn be soldered to a circuit board 25, for example.
  • FIG. 6 an end-side portion of the cable is shown, wherein an end of the cable sheath 16 has been removed, so over this area the shield conductor 14 of the cable has been exposed.
  • the cable between retaining jaws 28, 29 is inserted in the sequence, which are shown in Fig. 7 schematically in the disassembled state.
  • the holding jaws 28, 29 have half-shell-shaped recesses on their mutually facing sides, which are flared towards the front sides 30 of the holding jaws 28, 29. When contracted, these conically expanded areas together form a cone shape.
  • the cable 1 is inserted in the region of the end of the cable sheath 16 between the holding jaws 28, 29, as shown in Fig. 8, wherein the extensions 32 of the recesses 31 of the holding jaws 28, 29 facing the cable end 18.
  • an injection nozzle 33 with an inner through-channel is driven onto the exposed section of the screen conductor 14 from the cable end 18.
  • a portion of the inner passageway forms an injection channel 34, the inner wall of which surrounds the shielding conductor 14 at a distance.
  • the other part of the inner passage of the injection nozzle 33 is close to the shield conductor 14 (whose diameter can be at least partially reduced, for example, after driving on the shield conductor).
  • the cable sheath 16 facing the end of the injection nozzle 33 is tapered in the manner of a ring cutting, so that this end between the cable sheath 16 and the shield conductor 14 can be retracted and this spreads the cable sheath 16 to the outside and against the walls of the extensions 32 of the recesses 31st in the holding jaws 28, 29 presses.
  • These walls of the extensions 32 form on the one hand clamping surfaces for clamping the cable sheath 16 between the retracting end of the injection nozzle 33 and the holding jaws 28, 29, whereby the cable is fixed, on the other hand counter-pressure surfaces to a seal between the retracted end of the injection nozzle 33 and the cable sheath 16th to reach.
  • a shape formed by the mold halves 35, 36 is closed around the cable, in a section adjacent to the holding jaws 28, 29 on the side of the cable 1 remote from the adjacent cable end 18.
  • the walls of the mold cavity 37 formed by the mold halves 35, 36 have the desired outer contour of the cable in this section of the cable after its completion.
  • the mold halves 35, 36 are heated, wherein in FIG. 9 heating coils 38 are indicated schematically.
  • the cable sheath 16 is brought to a temperature such that it has sufficient elasticity for its subsequent expansion.
  • the cable sheath 16 is made of a suitable thermoplastic. Often cable sheaths are made of PVC. It may be suitable in this case, for example, a heating to about 80 ° C.
  • the cable sheath 16 may also consist of another thermoplastic, for example PUR.
  • a suitable plastic material is injected through the injection nozzle 33, preferably a thermoplastic, for example PVC or a thermoplastic elastomer.
  • the plastic material passes through the injection channel 34 into the interior of the cable sheath 16 and pushes it outward against the walls of the recesses 31 in the holding jaws 28, 29 (to which he was previously distanced).
  • the plastic material thus passes between the cable sheath 16 and the shield conductor 14 further into the interior of the cable, wherein it widens the cable sheath continuously.
  • the cable sheath can first be only slightly widened until it rests against the walls of the mold halves 35, 36 in these input areas.
  • the mold halves 35, 36 comprise the cable jacket 16 from the outset without play, so that the cable is sealed at this point against further penetration of plastic material.
  • the mold cavity 37 is formed such that the thickness of the injected plastic material which forms the anti-buckling layer 17 continuously increases in the direction of the cable end 18 via a section which in the finished cable connected to an electrical device represents the anti-kinking section 9.
  • the mold halves 35, 36 an outwardly projecting annular collar 20 of the bend protection layer 17 is formed.
  • the described production of a cable with a bend protection layer inside the cable sheath is not limited to a shielded cable.
  • Other cables in which the cable sheath can be lifted from a region of the cable lying radially inside the cable for example jacketed cables or cables in which the cable cores are wrapped with a foil, are suitable.
  • FIGS. 11 to 13 and 16 to 19 Another possible embodiment of a kink protection device according to the invention and the production of a cable for forming the same are explained below with reference to FIGS. 11 to 13 and 16 to 19.
  • the kink protection section is formed by a thickening of the cable sheath itself.
  • the thickness (E) of the cable sheath is initially increased (over the length a in Fig. 11) in the region in which a cable ends and another cable is to start, then kept constant (over the length b in Fig. 11) and then in turn reduced to the initial value (over the length c in Fig. 11).
  • the formed strand is subsequently cut through in the middle of the length b on the line 39 shown in FIG. 11 (FIG. 12).
  • the cable sheaths are removed in end portions of the two cables 1, whereby, for example, the underlying shielding conductor 14 is exposed. From this in each case an end piece is removed to expose the wires which are stripped to the end exposing the electrical conductors 12 (FIG. 13).
  • cup-shaped holding parts 40, 41 of the electrical device can be placed on the end portions of the cable sheath, as shown in Fig. 14.
  • the holding parts 40, 41 have viewed in longitudinal section with respect to the longitudinal axis 21 of the cable obliquely extending inner surfaces 42 which correspond to the outer contour of the cable sheath 16.
  • the holding parts 40, 41 have in the embodiment shown on their outer sides in each case half of an annular groove 43, wherein in the patch on the cable state of the holding parts 40, 41 a circumferential annular groove 43 is formed in total.
  • this annular groove the circular arc-shaped edges of the housing parts 23, 24 are used, as shown in FIG. 15 can be seen.
  • the electrical conductors 13 and optionally the shield conductor 14 are connected to the electrical device.
  • a circuit board 25 is shown schematically as an example, to which the electrical conductors 13 are soldered.
  • the mounting portion 11 of the cable 1 connected to the electrical device extends in this embodiment from the cable end 18 to the end remote from the cable end 18 of the cable sheath 16 in its end region holding holding parts 40, 41.
  • the cable with the ends can be placed on the cable sheath holding parts 40, 41 can be installed in an analogous manner in another electrical device, for example in an electrical connector.
  • the cable strain relief on the holding parts 40, 41 are realized.
  • half-shell-shaped holding parts 40, 41 could be used for cable strain relief and collets, which may be formed in an analogous manner as in particular in connection with electrical connectors conventionally known collets. Due to the conical design of the end portion of the cable sheath 16 in this case the effect of the collet is still improved.
  • 16 to 19 show schematically a possible embodiment of an extrusion die 44, with which a relatively large change in thickness of the cable sheath during its extrusion can be formed.
  • the wheels 47 are rotatably mounted, the axes of rotation 48 are arranged in a common plane.
  • the wheels 47 have groove-shaped depressions 49 on their circumference, whose width and depth increase continuously along the circumference of the wheel 47 starting from a minimum initial value.
  • the recess 49 forms a circle segment in each case.
  • the wheels 47 are arranged in a star shape around a central center axis 50, wherein the individual circle segments at the peripheries of the wheels 47 together form a circular nozzle opening 51 in a section through their axes of rotation corresponding to FIG.
  • the diameter of this nozzle opening 51 is variable by a simultaneous rotation of the wheels 47 by the same angle of rotation.
  • these have intermeshing teeth 52 on their side surfaces.
  • FIGS. 20 to 23 A further production method for forming a kink protection section is shown in FIGS. 20 to 23, specifically in schematic sectional views analogous to FIGS. 6 to 10.
  • the cable sheath 16 is removed.
  • the cable 1 is again shown as a shielded cable, so that after the removal of the cable sheath 16 of the shield conductor 14 is visible.
  • the method is also applicable to other cables.
  • a ram 56 is applied to the end portion 55, for example pushed from the cable end ago.
  • the ram 56 could for example also be formed in two parts and the two parts could then be placed radially on the circumference.
  • the cable 1 is placed in a mold with the two mold halves 35, 36 and the mold halves 35, 36 are closed.
  • a mold cavity 37 is formed, which extends at least over the buckling protection section 9 to be formed. In the embodiment shown, the mold cavity 37 also extends over a portion of the adjacent Cable end 18 subsequent section to form a strain relief for the cable.
  • the mold is further heated until the cable sheath 16 has reached a plastically deformable state.
  • the pressing punch 56 is now pressed in the longitudinal direction of the cable 1 into the closed mold 35, 36.
  • the plastically deformable cable sheath 16 is thereby compressed and flows into the mold cavity 37 of the mold until it is completely filled and the cable has assumed the desired final shape (FIG. 22).
  • the holding jaws 28, 29 are released and the ram 56 is extended. Thereafter, the mold halves 35, 36 are opened and the finished cable 1 can be removed.
  • the length of the anti-buckling portion 9 of the cable is in each case preferably at least 1 cm in the case of the different embodiments of the cable, a length of at least 1.5 cm being particularly preferred.
  • This length of the kink protection section is hereby spaced from the cable end by the length of a mounting section, wherein this length of the mounting section is preferably at least 0.5 cm and a value of at least 1 cm is particularly preferred.

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Insulated Conductors (AREA)
  • Processing Of Terminals (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Details Of Indoor Wiring (AREA)
  • Cable Accessories (AREA)
  • Manufacturing Of Electric Cables (AREA)

Claims (26)

  1. Câble électrique (1) muni d'un dispositif antiflambage et qui peut être raccordé à un dispositif électrique, en particulier à un connecteur électrique ou un appareil électrique, et présentant des conducteurs électriques (13, 14) ainsi qu'une gaine de câble (16) formant l'isolation extérieure du câble (1),
    caractérisé en ce que
    le dispositif antiflambage est formé par un segment antiflambage (9) du câble (1) sur lequel l'épaisseur (E) de la gaine de câble (16) ou l'épaisseur (D) d'une couche antiflambage (17) disposée à l'intérieur de la gaine de câble (16) augmente en direction de l'extrémité de câble (18) située plus près du segment antiflambage (9).
  2. Câble électrique (1) selon la revendication 1,
    caractérisé en ce que
    l'augmentation de l'épaisseur (E) de la gaine de câble (16) ou l'épaisseur (D) de la couche antiflambage (17) disposée à l'intérieur de la gaine de câble (16) est essentiellement constante sur le segment antiflambage (9).
  3. Câble électrique (1) selon la revendication 1 ou 2,
    caractérisé en ce que
    la gaine de câble (16) est formée continuellement sans soudure sur le segment antiflambage (9) du câble (1) et sur le segment (8) suivant du câble (1) s'étendant vers le milieu du câble.
  4. Câble électrique (1) selon l'une quelconque des revendications 1 à 3,
    caractérisé en ce que
    l'épaisseur (d) du câble (1) augmente, de préférence continuellement, sur le segment antiflambage (9) du câble (1) en direction de l'extrémité de câble (18) située plus près du segment antiflambage (9).
  5. Câble électrique (1) selon l'une quelconque des revendications 1 à 4,
    caractérisé en ce que
    la couche antiflambage (17) se termine à l'extrémité du segment antiflambage (9) opposée de l'extrémité de câble (18) située plus près.
  6. Câble électrique (1) selon l'une quelconque des revendications 1 à 5,
    caractérisé en ce qu'
    en direction de l'extrémité de câble (18) située plus près, le segment antiflambage (9) est raccordé à un segment de montage (11) du câble (1) dans lequel le câble (1) peut être relié mécaniquement et électriquement au dispositif électrique.
  7. Câble électrique (1) selon la revendication 6,
    caractérisé en ce que
    la gaine de câble (16) s'étend continuellement sans soudure sur le segment antiflambage (9) et au moins sur un segment partiel (19) du segment de montage (11) raccordé au segment antiflambage (9), et dans ce segment partiel (19) du segment de montage (11) le dispositif électrique coopére avec le câble (1) pour former un dispositif de décharge de traction de câble.
  8. Câble électrique (1) selon la revendication 7,
    caractérisé en ce que
    la couche antiflambage (17) s'étend continuellement sans soudure sur le segment antiflambage (9) et sur le segment partiel (19) raccordé au segment antiflambage (9) (figure 2).
  9. Câble électrique (1) selon la revendication 7,
    caractérisé en ce que
    l'épaisseur (E) de la gaine de câble (16) augmente encore continuellement sur le segment partiel (19) raccordé au segment antiflambage (9) (figure 13).
  10. Câble électrique (1) selon l'une quelconque des revendications 1 à 9,
    caractérisé en ce que
    la couche antiflambage est réalisée en une matière thermoplastique.
  11. Câble électrique (1) selon l'une quelconque des revendications 1 à 10,
    caractérisé en ce que
    la couche antiflambage (17) est disposée entre la gaine de câble (16) et une couche entourant au moins un brin électrique (53) du câble, qui est de préférence formée par un conducteur de blindage (14).
  12. Câble électrique (1) selon l'une quelconque des revendications 6 à 11,
    caractérisé en ce que
    le câble est raccordé à un dispositif électrique, en particulier à un connecteur électrique (2) ou un appareil électrique, et relié mécaniquement et électriquement au dispositif électrique dans le segment de montage (11) raccordé à l'extrémité de câble (18), le segment antiflambage (9) raccordé au segment de montage (11) en direction du centre de câble étant dégagé.
  13. Câble électrique (1) selon la revendication 12,
    caractérisé en ce que
    la couche antiflambage (17) se termine à l'extrémité du segment antiflambage (9) distancée de l'extrémité de câble (18), s'étendant en direction de l'extrémité de la couche antiflambage (17) distancée de l'extrémité de câble voisine (18) en diminuant son épaisseur (D) continuellement.
  14. Câble électrique (1) selon la revendication 12,
    caractérisé en ce que
    l'épaisseur (E) de la gaine de câble (16) à l'extrémité du segment antiflambage (9) éloignée de l'extrémité de câble (18) diminue jusqu'à la valeur présente sur le segment (8) du câble s'étendant vers le milieu du câble.
  15. Câble électrique selon la revendication 14,
    caractérisé en ce que
    la gaine de câble (16) s'étend continuellement sans soudure sur le segment antiflambage (9) et sur un segment partiel (19) du segment de montage (11) raccordé au segment antiflambage (9).
  16. Câble électrique (1) selon la revendication 15,
    caractérisé en ce que
    pour former une décharge de traction pour le câble électrique, la couche antiflambage (17) s'étend également sur le segment partiel (19), et présente dans le segment partiel (19) un saut d'épaisseur qui forme un épaulement (22) du câble opposé à l'extrémité de câble (18), l'épaulement étant appliqué contre une butée du dispositif électrique absorbant une force de traction exercée sur le câble (figures 1, 3 et 5).
  17. Câble électrique (1) selon la revendication 15,
    caractérisé en ce que
    l'épaisseur de la gaine de câble (16) augmente encore sur le segment partiel (19), et pour former une décharge de traction pour le câble (40, 41) des éléments de maintien (40, 41) avec des faces intérieures (42) correspondant au contour extérieur de la gaine de câble sont placés sur le segment de montage (11) du câble et fixés au dispositif électrique (figure 15).
  18. Câble électrique (1) selon l'une quelconque des revendications 1 à 17,
    caractérisé en ce que
    le câble peut être relié mécaniquement et électriquement à des dispositifs électriques dans des segments de montage (11) raccordés aux extrémités de câble (18) et s'étendant respectivement sur une longueur d'au moins 0,5 cm, de préférence d'au moins 1 cm, et pour former un antiflambage pour le câble, dans au moins un segment antiflambage (9) du câble qui s'étend sur une longueur d'au moins 1 cm, de préférence d'au moins 1,5 cm, et qui est raccordé au segment de montage (11) en direction du centre du câble, l'épaisseur (d) du câble, diminue depuis une valeur initiale à l'extrémité du segment antiflambage tournée vers l'extrémité de câble (18) voisine jusqu'à une valeur finale qui, à l'extrémité du segment antiflambage (19) opposée à l'extrémité de câble (18) voisine, correspond à l'épaisseur du câble dans le segment (8) central du câble raccordé au segment antiflambage (9) en direction du milieu du câble, et dans le segment antiflambage (9) l'épaisseur (E) de la gaine de câble (16) ou l'épaisseur (D) d'une couche antiflambage (17) disposée à l'intérieur de la gaine de câble (16) diminue, de préférence continuellement, depuis l'extrémité du segment antiflambage (9) tournée vers l'extrémité de câble voisine jusqu'à l'extrémité du segment antiflambage (9) opposée à l'extrémité de câble (18) voisine.
  19. Câble électrique selon la revendication 18,
    caractérisé en ce que
    pour former une décharge de traction pour le câble électrique, la couche antiflambage (17) s'étend également sur un segment partiel (19) du segment de montage raccordé au segment antiflambage (9) et présente dans le segment partiel (19), un saut d'épaisseur qui forme un épaulement (22) du câble opposé à l'extrémité de câble (18), l'épaulement (22) pouvant être appliqué contre une butée absorbant une force de traction exercée sur le câble d'un dispositif électrique auquel le câble peut être raccordé.
  20. Procédé de fabrication d'un câble électrique selon l'une quelconque des revendications 1 à 19,
    caractérisé en ce que
    le câble est inséré entre des moitiés de moule (35, 36) qui à l'état fermé forment un volume creux de moule (37) qui s'étend au moins sur le segment antiflambage (9), de préférence également sur un segment partiel (19) du segment de montage (11) raccordé au segment antiflambage (9) en direction de l'extrémité de câble (18) voisine, dans lequel le câble (1) peut être relié mécaniquement et électriquement à un dispositif électrique, et une buse d'injection (33) pour l'injection de matière plastique formant la couche antiflambage (17) est introduite dans la face frontale du câble directement radialement à l'intérieur de la couche de gaine (16), l'épaisseur de la couche antiflambage (17) augmentant en direction de l'extrémité de câble (18) située plus près du segment antiflambage (9).
  21. Procédé selon la revendication 20,
    caractérisé en ce que
    le câble est maintenu au moyen de mâchoires de maintien (28, 29) entourant la gaine de câble.
  22. Procédé selon la revendication 21,
    caractérisé en ce que
    sur la face tournée vers la face frontale du câble, les mâchoires de maintien (28, 29) présentent un évasement de préférence conique contre la paroi duquel la gaine de câble est pressée par la buse d'injection (33) lors de l'introduction de celle-ci dans le segment final avant de la gaine de câble.
  23. Procédé selon l'une quelconque des revendications 20 à 22,
    caractérisé en ce que
    le volume creux de moule est appliqué contre la face extérieure de la gaine de câble (16), de façon étanche à l'extrémité éloignée de la buse d'injection (33) en direction longitudinale du câble.
  24. Procédé de fabrication d'un câble électrique selon l'une quelconque des revendications 1 à 19,
    caractérisé en ce que
    l'épaisseur (E) de la gaine de câble est modifiée lors de son extrusion par une buse d'extrusion avec un diamètre variable de son ouverture de buse (51), de sorte que l'épaisseur de la gaine de câble (16) augmente en direction de l'extrémité de câble (18) située plus près du segment antiflambage (9).
  25. Procédé de fabrication d'un câble électrique selon l'une quelconque des revendications 1 à 19,
    caractérisé en ce que
    la gaine de câble (16) est supprimée dans un segment final (55) du câble (1), le câble est ensuite inséré entre des moitiés de moule (35, 36) formant à l'état fermé un volume creux de moule (37) qui s'étend au moins sur le segment antiflambage (9), de préférence également sur un segment partiel (19) du segment de montage (11) raccordé au segment de flambage (9) en direction de l'extrémité de câble voisine (18), et dans lequel le câble (1) peut être relié mécaniquement et électriquement au dispositif électrique, le moule (35, 36) est chauffé pour conférer à la gaine de câble un état plastiquement déformable, et un fouloir (56) entourant le câble (1) dans la zone du segment final (55) du câble (1) dans laquelle la gaine de câble (16) a été supprimée est enfoncé dans le moule (35, 36) en direction axiale du câble (1), la gaine de câble (16) étant refoulée, coule dans le volume creux de moule (37) et remplit celui-ci, de sorte que l'épaisseur de la gaine de câble (16) augmente en direction de l'extrémité de câble (18) située plus près du segment antiflambage (9).
  26. Procédé selon la revendication 25,
    caractérisé en ce que
    lors de l'enfoncement du fouloir (56) dans le moule, le câble (1) est maintenu dans une zone du segment final (55) située plus près de l'extrémité de câble (18) voisine pour absorber une force de traction exercée par le fouloir (56).
EP05028336A 2005-02-03 2005-12-23 Dispositif antiflambage pour un câble électrique Active EP1689057B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005005216A DE102005005216A1 (de) 2005-02-03 2005-02-03 Knickschutzeinrichtung

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EP1689057B1 true EP1689057B1 (fr) 2007-10-03

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US (1) US7314999B2 (fr)
EP (1) EP1689057B1 (fr)
CN (1) CN1862888B (fr)
AT (1) ATE375025T1 (fr)
DE (2) DE102005005216A1 (fr)

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EP2187491A1 (fr) * 2008-11-12 2010-05-19 Nexans Ligne électrique pour véhicules automobiles
US9276392B2 (en) 2010-01-25 2016-03-01 Apple Inc. Compression molded cable structures and methods for making the same
CN103250304B (zh) * 2010-12-17 2015-11-25 胡贝尔和茹纳股份公司 电缆接口
DE102013206810A1 (de) * 2013-04-16 2014-10-16 Ifm Electronic Gmbh Näherungsschalter
DE102014110600A1 (de) * 2014-07-28 2016-01-28 Atlas Elektronik Gmbh Lichtwellenleiterkabel, Wickel, Fahrzeug und Fahrzeugkombination
USD749046S1 (en) 2014-08-12 2016-02-09 Hobbico, Inc. Electrical connector
CN106388077B (zh) * 2015-07-28 2018-09-18 美上电热有限公司 加热衣的温控开关电线防断结构
US10297944B2 (en) * 2017-03-17 2019-05-21 Simon Simmonds Single pole connector
DE102018200550A1 (de) * 2018-01-15 2019-07-18 Leoni Kabel Gmbh Knickschutz für ein Kabel
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Also Published As

Publication number Publication date
EP1689057A1 (fr) 2006-08-09
DE102005005216A1 (de) 2006-08-10
US7314999B2 (en) 2008-01-01
CN1862888A (zh) 2006-11-15
US20060169473A1 (en) 2006-08-03
DE502005001626D1 (de) 2007-11-15
CN1862888B (zh) 2011-10-12
ATE375025T1 (de) 2007-10-15

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