EP0170545B2 - Isolierter Abzweigverbinder für elektrische Kabel - Google Patents

Isolierter Abzweigverbinder für elektrische Kabel Download PDF

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Publication number
EP0170545B2
EP0170545B2 EP85401158A EP85401158A EP0170545B2 EP 0170545 B2 EP0170545 B2 EP 0170545B2 EP 85401158 A EP85401158 A EP 85401158A EP 85401158 A EP85401158 A EP 85401158A EP 0170545 B2 EP0170545 B2 EP 0170545B2
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EP
European Patent Office
Prior art keywords
cable
contact piece
insulating material
projecting part
housing
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.)
Expired - Lifetime
Application number
EP85401158A
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English (en)
French (fr)
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EP0170545B1 (de
EP0170545A1 (de
Inventor
Michel Henri Marie François Prodel
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.)
Societe Industrielle de Construction dAppareils et de Materiel Electriques SICAME SAS
Original Assignee
Societe Industrielle de Construction dAppareils et de Materiel Electriques SICAME SAS
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Application filed by Societe Industrielle de Construction dAppareils et de Materiel Electriques SICAME SAS filed Critical Societe Industrielle de Construction dAppareils et de Materiel Electriques SICAME SAS
Priority to AT85401158T priority Critical patent/ATE36922T1/de
Publication of EP0170545A1 publication Critical patent/EP0170545A1/de
Publication of EP0170545B1 publication Critical patent/EP0170545B1/de
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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
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
    • H01R4/2408—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation actuated by clamping screws

Definitions

  • the present invention relates generally to branch connectors suitable for establishing an electrical connection between a first cable, or main cable, generally already in place, and at least a second cable, or branch cable, to connect to the previous one.
  • Such branch connectors find their application in particular in the field of subscriber connections to overhead electrical power distribution networks, whether these are networks made up of bare cables established at a distance from each other, or that '' this is a network made up of a twisted line of insulated cables.
  • They comprise, overall, a body, a jaw, which, movably mounted on said body under the control of clamping means, defines with this body a housing suitable for placing the assembly on a main cable, means of connection specific to the connection to said body of at least one branched cable, and a contact piece, which, housed in said body, by interfering with a projecting part with said housing, is suitable for establishing an electrical connection between the main cable and such a branch cable.
  • Branch connectors of this type are described in particular in French patents No. 1,195,439 and No. 2,058,441.
  • this contact piece is adapted to pass through the insulating sheath of such cables, its projecting part, commonly known as insulation perforation, being fractioned for this purpose into teeth, lamellae or other perforating members suitable for perforating such a sheath.
  • the body and jaw are made of metal.
  • branch connectors commonly known as separate branch (s)
  • s separate branch
  • branch connectors with metal jaw and body as mentioned above, it has been proposed, to do this, to provide such branch connectors with a cover, in practice of insulating material, which envelops them. completely, and which is intended to ensure the containment of a mass of fat.
  • such a cover ensures, in a way, around the electrical contacts to be preserved, a reconstitution of insulating material suitable for suitable insulation thereof.
  • the branch connectors thus equipped with such a cover allow only a departure in a well-determined orientation, generally downwards, of the branch cable or cables concerned, which, taking into account the wiring pitch of the various cables constituting a twist, most often constitutes an additional laying requirement for all of the connectors, generally four in number, to be implemented for a subscriber connection, the cables corresponding derivatives can then only be in a suitable exit position at the cost of spacing, along the general axis of the twist, of these various connectors between them.
  • this grease may only be placed in situ, at the places where the hood is used, before the latter is installed.
  • branch connectors whose body and jaw are made of insulating material, and not of metal, said body and said jaw constituting in practice two shells, which, forming between them two parallel housings, one for the main cable, the other for the branch cable, and internally provided with metal contact pieces with insulation perforation interfering with said housings, are joined to one another by one or more bolts intervening between these housings.
  • the tightening force developed by the assembly bolt (s) that they comprise has a fairly random effect between the main cable and the derived cable, due to the large difference in diameter generally existing between these.
  • the metal contact parts act simultaneously on one and the other of the cables, it is not possible to carry out any disassembly of the branch cable without intervening on the contact of the main cable.
  • the teeth of these projecting parts have to pass through a seal, which is impregnated with a sealant, and from which it can therefore result in unpleasant seeps when tightened.
  • these teeth are simply surrounded, at a distance, by such a seal.
  • the assembly means extend away from the seal, this results in a larger overall space for the assembly.
  • the present invention generally relates to a branch connector advantageously free from these various drawbacks and also having other advantages.
  • This branch connector is of the type comprising a body, which is made of insulating material, and which, for the passage of clamping means, has a well, a jaw, which is also made of insulating material, and which, mounted movably on said body under the control of said clamping means, defines with this body a housing suitable for fitting the assembly onto a main cable, connection means suitable for connecting to said body at least one branched cable and comprising a clean housing on insertion of such a branch cable, and a metallic contact piece, which, housed in said body by interfering with a protruding part with insulation perforation with said housing and by a protruding part with insulating perforation with said housing, is suitable for the establishment of an electrical connection between the main cable and the branch cable, and is characterized in that the projecting part at least of the metallic contact piece by the it interferes with the housing of the main cable is embedded in a bowl made of flexible synthetic insulating material such as a soft elastomer suitable for being applied to such a
  • said jaw when, as is preferably the case, in order to have a positive, balanced support, on the very soul of the cable concerned, both on the side of the body and on the side of the jaw, said jaw also carries a part metal contact part of which a protruding part with insulation perforation interferes with the housing of said cable, a similar arrangement with a bowl of insulating material is adopted for this jaw, said protruding part of the contact part thereof being it also embedded in such a bowl, for application thereof on said cable around the corresponding contact.
  • bypass connector according to the invention is equipped by itself with sealing means capable of ensuring suitable and reliable insulation of all the electrical contacts capable of being established within it.
  • any bowl of insulating material that comprises the bypass connector according to the invention has, parallel to the housing with which it is associated, along the projecting part of the corresponding metal contact piece, for application to cable concerned, two elastically deformable lips, each arranged respectively on either side of said protruding part, and, transversely, each arranged respectively on either side of said protruding part, ie two cradles suitable for applying themselves too each on said cable, or two cheeks with a knockout portion in line with said projecting part.
  • the branch connector according to the invention can advantageously be used for a relatively wide range of cables of different sections, both with regard to the main cable and with regard to the branched cable (s). ), or the bowl (s) of insulating material which it comprises adapting to it (s) -same (s), by elasticity, to said cables.
  • the branch connector according to the invention also has the advantages of total separation between the active metal parts ensuring electrical contacts and transfers and the passive insulating parts ensuring insulation, excellent transmission of the force of clamping towards the active metal parts, each jaw transmitting to the cable concerned all of the clamping force applied to it, of a minimum overall size, of a total absence of any protruding metal part capable of being inadvertently the source of radio noise when it is energized, using a minimum number of different parts, all of which are relatively simple to make and which are particularly suitable for transmitting under good conditions the stresses applied to them , a concentration on the same face of the organs on which it is necessary to act for the development of these e tightening strengths, the possibility of using for them a simple ordinary key and not an isolated key, a tangential outlet for the derivative cable or cables, parallel to the axis of the main cable, and therefore the twist to which it possibly belongs, without any positioning subjection, and of a possibility of a provisional stable and almost instantaneous positioning on the main cable,
  • the clamping means provided for this purpose consist of a control head screw at least partially detachable under torque, and said control head forms a part which, distinct from the barrel with which it is associated, by being suitably attached thereto, for example by crimping, is made of a material different from the material constituting said barrel.
  • any movable jaw that comprises the branch connector according to the invention is slidably engaged on guide rails provided for this purpose on the body with which it is associated, which advantageously eliminates any bending force on the screw corresponding tightening, thus ensuring maximum clamping efficiency for such a screw.
  • the branch connector according to the invention is indeed a separate branch connector (s) allowing assembly and disassembly of any branch cable without intervention on the contact of the main cable corresponding.
  • the branch connector according to the invention is particularly reliable and safe.
  • the branch connector comprises, overall, in all of its embodiments, a body 10, which is made of insulating material, a jaw 11, which is also made of insulating material, and which, movably mounted on said body 10 under the control of clamping means consisting in practice of a screw 12 intended to cooperate with a nut 13 trapped in said jaw 11, defines with this body 10 a housing 14 suitable for setting place of the assembly on a cable 15, or main cable, shown diagrammatically in broken lines in FIGS.
  • connection means suitable for connection to said body 10 d 'at least one cable 15', or derived cable, also shown schematically in broken lines in Figures 18 to 21, and a metal part 17, which, housed in said body 10, by interfering with a projecting part pe rforation of insulation 18 with said housing 14 thereof, is suitable, as described later, for the establishment of an electrical connection between the main cable 15 and such a branch cable 15 '.
  • connection means specific to the connection to the body of insulating material 10 of a branch cable 15 ' comprise a second jaw 11', which, distinct from the first jaw 11, is, like it, movably mounted on said body 10, under the control of individual clamping means constituted in practice by a clamping screw 12 'intended to cooperate with a nut 13' trapped in this second jaw 11 ', and which defines with said body 10, parallel to the preceding housing 14, a housing 14 'suitable for the insertion of such a branch cable 15'.
  • the body of insulating material 10 comprises a backsplash 20, and, laterally, each disposed respectively along the edges of said backsplash 20, two flanges 21, which extend only over part of the height of said backsplash 20 from its base, perpendicular to the housings 14, 14 'of the cables 15, 15'.
  • the protruding part 23 of the backsplash 20, that is to say the part of this backsplash 20 which extends beyond the flanges 21, corresponds to the housing 14 of the main cable 15, and it is generally shaped as a hook, in forming, at each end of this housing 14, a cradle 24, with a concavity turned towards the jaw 11.
  • the end edge of this well 27, on the side of the jaws 11, 11 ′ is bevelled by a chamfer 28, said chamfer 28 diverging in the direction of the bottom 26 of the associated housing 25, figure 4.
  • the housing 25 is generally in relief, being for example in the form of a trunk of a pyramid.
  • the cradles 24 ' like the cradles 24, have their concavity turned towards the jaws 11, 11'.
  • the backsplash 50 is perforated with a bore 30, for passage of the clamping screw 12 '.
  • the flanges 21, for their part, are each perforated with an opening 31 to the right of the housing 14 'of the branch cable 15', for passage of this branch cable 15 '.
  • the bottom 32 opposite the corresponding cradle 24 is, like this one, generally rounded, with its concacity turned towards that of this cradle 24 '.
  • the bottom 32 of such an opening 31 of each of the flanges 21 has, in projection on its edge, a cord 33, the transverse internal face of which is in the extension of that of the flange 21 concerned, while its external face is generally conical, converging in the direction of the backsplash 50, FIG. 5.
  • the flanges 21 each have, respectively, protruding on their internal face, and in correspondence from one to the other, guide rails 35, 35 '.
  • ribs of which, preferably, and as shown, the cross section is generally in the shape of a rectangular trapezoid, by being connected by its small base to the corresponding flange 21 and which thus each form with such a flange 21 a half dovetail.
  • the mean plane along which substantially extend the guide rails 35 provided for the jaw 11 contains the axis of the well 27 of the clamping screw 12, and, similarly, the mean plane along which the guide rails 35 'provided for the jaw 11' contains the drilling axis 30 of the clamping screw 12 '.
  • each of the guide rails 35 is associated, parallel to the latter, projecting on the internal face of the flange 21 concerned, a counter 36, while the sole 22 by itself forms such a counter rail for 35 'guide rails.
  • such a counter 36 preferably has, and as shown, a cross section in the shape of a rectangular trapezium, but it is connected by its large base to the corresponding flange 21.
  • the body of insulating material 10 thus formed can be produced by molding a suitable synthetic material, and, for example, a hard synthetic material of the polyamide 6-6 type loaded with fibers. of glass.
  • the metal contact piece 17 has, in the embodiment more particularly shown in FIGS. 1 to 17, a plate 38, which is generally in the form of a pyramid trunk, like the housing 25 provided for it in the backsplash 20 of the body of insulating material 10, and which, in its middle part, is perforated by a bore 37 suitable for its engagement on the well 27 of this backsplash 20, FIG. 2.
  • the protruding part 18 by which this contact piece 17 interferes with the housing 14 of the main cable 15 extends transversely to one end of this plate 38, and, at the other end thereof, extends similarly a projecting part 18 'by which it corollarily interferes with the housing 14' of the branch cable 15 '.
  • the projecting parts 18, 18 ' which the contact piece 17 thus presents are both divided into perforation members 39, 39'; as shown, it is in pra tooth tick.
  • the protruding part 18 thus has, in the embodiment shown, three rows of teeth 39, while the protruding part 18 'has only two rows of teeth 39', said rows of teeth extending parallel to the housings 14, 14 'correspondents.
  • each of the projecting parts 18, 18 'of the contact piece 17 is carried by a portion 40, 40' of the plate 38 thereof which a slot 41, 41 'separates of the current part of this plate 38.
  • each of the projecting parts 18, 18 ′ extends at least partially in overhang relative to the current part of the plate 38, which advantageously gives it, while being generally rigid, a certain elasticity.
  • the contact piece 17 thus formed can for example be made of aluminum, by machining an appropriate block of such a metal.
  • the protruding part 18 of the contact piece 17 is embedded in a bowl of insulating material 42 suitable for being applied to the main cable 15 all around said protruding part 18 and thus ensuring sealing and the protection of the electrical contact established between it and this main cable 15.
  • the projecting part 18 ′ of the contact piece 17 is also embedded in a bowl made of insulating material 42 ′ suitable for being applied to the branch cable 15 ′ all around it and thus ensuring sealing and protection of the electrical contact established between it and said branch cable 15 '.
  • both of the cups 45, 42 ′ thus associated with the contact piece 17 belong to the same piece of insulating material 43, which has a skirt 44, by which it is engaged on said contact piece 17, said skirt being like this in the general shape of a pyramid trunk, and a bottom 45, by which it covers this contact piece 17.
  • This bottom 45 is perforated, on the one hand, at its ends, by two openings 46, 46 ', which, parallel to each other, are each suitable respectively for the passage of the two projecting parts 18, 18' of the contact piece 17, and, on the other hand, in its central zone, of a central bore 47 suitable for the passage of the clamping screw 12, and, more precisely, of the well 27 in which the latter is engaged.
  • each cup 42, 42 ′ formed by the piece of insulating material 43 comprises, along the projecting part 18, 18 ′ concerned with the contact piece 17, and therefore along edges of its opening 46, 46 ', for application to the corresponding cable 15, 15', two elastically deformable lips 48, 48 ', each disposed respectively on either side of said projecting part 18, 18'.
  • the bowl 45 further comprises, transversely, each disposed respectively on either side of the projecting part 18 of the contact piece 17 two cradles 49, suitable for applying each on said main cable 15.
  • the housing 14 'of the branch cable 15', the cup 42 ' comprises, transversely, each disposed respectively on either side of the projecting part 18' of the contact piece 17, two cheeks 50 , which each form a generally oblong extension of the bowl 42, and therefore of the piece of insulating material 43 to which they belong, and which each comprise, in line with said projecting part 18 'of the contact piece 17, a knockout portion 49 ', for passage of said branch cable 15'.
  • these cheeks 50 which are generally complementary to the openings 31 of the flanges 21 of the body of insulating material 10, are each snapped into these openings 31.
  • a groove 51 is provided on their said edge, the profile of which is complementary to that of the cord 33 which, moreover, projects from the bottom 32 of such an opening 31, FIGS. 8 to 10.
  • each cheek 50 has in its middle part a recess 53, the portion of its edge having the groove 51 being offset laterally, in the direction of the outside, relative to its knockout portion 49 '.
  • each cheek 50 is present, projecting outwards, on either side of its knockout portion 49 ', flanges 54, for its reinforcement.
  • each of the cheeks 50 forms globally, on the outside, a kind of hearing which converges towards its knockout portion 49 '.
  • the central bore 47 of the piece of insulating material 43 is belted, on the internal face of the bottom 45 which it affects, by a flange 55, for application to the contact piece 17, FIG. 7 .
  • this rim 55 is chamfered, on the side of its internal surface, by a frustoconical bevel 56, which diverges in the direction opposite to the associated bottom 45.
  • the piece of insulating material 43 can for example be produced by molding any flexible synthetic material, such as a soft elastomer.
  • the jaw 11 comprises, overall, a base 58, and, projecting upwards on this base 58, a backrest 59, FIG. 11.
  • the base 58 is perforated with a hole 60, for passage of the clamping screw 12, with, at the end of this hole 60, the captive nut 13 associated with it.
  • the base 58 has, at its base, each projecting respectively on its lateral faces, two ribs 61 which each, with a boss 62 projecting on the corresponding lateral face of the backrest 59, a groove 63 complementary to the rails guide 35 of the body of insulating material 10.
  • the jaw 11 is slidably engaged on these guide rails 35.
  • each of these ribs 61 is bevelled by a chamfer 64 at its corresponding leading end.
  • the backsplash 59 extends flush with the protruding part 23 of the backsplash 20 of the body of insulating material 10, to define, with the latter, the housing 14 of the main cable 15.
  • the jaw 11 carries, by its backrest 59, a metal contact piece 65, a projecting part 66 of which interferes with the housing 14 of the main cable 15.
  • This contact piece 65 is a section of profile, made for example of aluminum, and it is simply snapped into a housing 68 provided for this purpose in the backrest 59 of the jaw 11.
  • the contact piece 65 has internally a channel 69, which opens rearwardly through a slot 70, internally forming, on either side of this slot 70, two shoulders 71, and, jointly, the backsplash 59 of the jaw 11 has, projecting from the bottom 72 of its housing 68, in the middle part thereof, at least one elastically deformable hook 73, on which said contact piece 65 can engage by its said slot 70, until one and / or the other comes into engagement, of these internal shoulders 71 with such a hook 73.
  • the backsplash 59 forms a cradle 74, with a concavity facing the protruding part 23 of the backsplash 20 of the body of insulating material 10.
  • the jaw 11 can for example be made of rigid synthetic material, of the polyamide 6-6 type loaded with glass fibers.
  • the projecting part 66 of the contact piece 65 is also perforated with insulation, this projecting part being divided for this purpose into suitable perforating members; more specifically, in the embodiment shown, it is divided into two sharp strips 75, these extending parallel to the axis of the housing 14 of the main cable 15, like the rows of teeth 39 of the projecting part 18 of the contact piece 17 of the body of insulating material 10.
  • said protruding part 66 of this contact piece 65 at least is also embedded in a bowl of insulating material 76 suitable for being applied to the main cable 15 all around it and thus ensuring sealing and protection of the electrical contact established between it and this main cable 15.
  • This bowl 76 comprises a skirt 77, by which it is engaged on the contact piece 65 which it encloses and a perforated bottom of an opening 78 suitable for the passage of the projecting part 66 thereof.
  • this opening 78 is around the skirt 77, so that it completely recesses the bottom in question, and that the latter is therefore nonexistent.
  • the skirt 77 has, internally, projecting inwards, in the direction of one another, on two opposite edges, two flanges 79 intended to cooperate in support with transverse shoulders 80 that corollarily have on their outer face the lips of the contact piece 65 delimiting the slot 70 thereof.
  • the cup 76 comprises, along the projecting part 66 of the contact piece 65, and therefore along its own opening 78, for application to said main cable 15, two elastically deformable lips 82, each disposed respectively on either side of said projecting part 66 of the contact piece 65.
  • these cradles 83 have their concavity turned towards the projecting part 23 of the backsplash 20 of the body of insulating material 10, and they each respectively cover, at least in part, the cradles 74 of the backsplash 59 of the jaw 11.
  • the jaw 11 ' has a constitution identical to that of the jaw 11, and, like it, it carries a metallic contact piece 65', the projecting part 66 'of which at least is embedded in a bowl of insulating material 76'.
  • the jaws 11, 11 ′ being identical, the same is true for the upper edge of the lateral bosses 62 of the jaw 11.
  • the clamping screw 12 of the jaw 11, and it is the same for the clamping screw 12 'of the jaw 11', is equipped with an control head at least partially detachable under torque 85.
  • This control head 85 has, externally, a polygonal section, for example hexagonal, and it also has, internally, a bore of polygonal section, for example hexagonal.
  • This section of least resistance 86 which may for example result, as shown, from a groove 87 cutting its thickness halfway through its thickness, on its external surface, delimits there, at its end, a detachable portion under torque 88.
  • this control head 85 forms, as a whole, a part which, distinct from the barrel 89 with which it is associated, by being suitably attached thereto, is made of a material different from the material constituting said was 89.
  • control head 85 can be made of a metal of less resistance, aluminum for example, while the barrel 89 is made of a more resistant metal, steel for example.
  • the barrel 89 is itself provided with a head 90 whose section is hexagonal, like that of the internal bore of the control head 85, for engagement thereof, and which has at its base a stop collar 95.
  • the head 90 of the barrel 89 extends only over part of the height of the internal bore of the control head 85, both to allow free access from the outside to it, to leave free the detachable portion under torque 88.
  • the head 80 of the barrel 89 is crimped, by punching its end face.
  • the barrel 89 is smooth over a significant portion of its length, only its end being threaded.
  • the clamping screw 15 'associated with the jaw 11' has a constitution similar to that of the latter.
  • the branch cable 15' is, by its free end, engaged in the housing 14 'provided for it between the body of insulating material 10 and the jaw 11 ′, by crossing the corresponding openings 31 of the flanges 21 of this body of insulating material 10.
  • bypass connector according to the invention is then engaged, by its housing 14, on the main cable 15, and, as before, an approximate tightening thereof is immediately carried out, by sliding the corresponding jaw 11 on the body of insulating material 10.
  • the teeth 39 of the projecting part 18 of the contact piece 17 of the body in ma insulating plate 10 perforates the insulating sheath of the main cable 15 until it comes into contact with the conductive core thereof and slight penetration into this core, and the same is true for the lamellae 75 of the protruding part 66 of the contact piece 65 of jaw 11.
  • the teeth 39 'of the protruding part 18' of the contact piece 17 of the body of insulating material 10 perforate the insulating sheath of the branch cable 15 ', until contact with the conductive core thereof and slight penetration in this conductive core, and it is the same for the strips 75 'of the projecting part 66' of the contact piece 65 'of the jaw 11'.
  • control head 85, 85 'of the clamping screws 12, 12' is continued until, by breaking at the right of its groove 87, 87 'the end portion 88, 88 'of such a control head 85, 85' detaches from the rest of it.
  • clamping screws 12, 12 ′ are both without contact with any active metal part of the bypass connector according to the invention.
  • the actuation of the clamping screws 12, 12 ′ is advantageously carried out on the same face of the bypass connector according to the invention, namely on the external face of the backsplash 20 of its material body. insulating 10.
  • the branch connector according to the invention has a number of jaws 11, 11', 11", etc. greater than two.
  • FIG. 19 it may include two jaws 11 ', 11 "in cooperation with the jaw 11 associated with the main cable 15, these various jaws 11, 11', 11" being staggered over the height of the body in insulating material 10 corresponding, and more precisely on the height of the flanges 21 thereof, by being slidably mounted, parallel to themselves, on these flanges 21, according to arrangements identical to those described above.
  • the branches provided by the jaws 11 ', 11 "are thus completely independent of one another, both with regard to the mounting of the corresponding branch cables 15', 15" as in which concerns the dismantling of these.
  • any intervention on any branched cable has no effect on the electrical contact otherwise provided on the corresponding main cable.
  • FIG. 20 which is of the same type as the embodiment, with a single jaw jaw 11 ′, described with reference to FIGS. 1 to 17, and which is more particularly intended for applications requiring a large transfer of current between the main cable and the branch cable, provision is made, between the contact parts 65, 65 ′ of the corresponding jaws 11, 11 ′, a shunt 95, made of flexible insulated cable, such a shunt 95, which, by its ends, is electrically connected to said contact parts 65, 65 ′, looping said jaws 11, 11 ′ on the rear face of these this.
  • FIG. 21 relates to the case where, for remote control, the control head 85 of the tightening screw 15 associated with the main cable 15 is provided, in a manner known per se, with a ring 96 of its own when ordered by an insulating pole suitable for such remote control.
  • the corresponding jaw 11 is provided with an extension 98 in the form of a tapered beak, which, when the main cable 15 to be fitted belongs to a twist, facilitates the positioning of the assembly on such a main cable 15, by spacing it from the other cables constituting such a twist.
  • the branch connector according to the invention is an isolated and waterproof connector with separate derivative (s) and insulation perforation both on the main cable and on the (s) ) derived cable (s).

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  • Connector Housings Or Holding Contact Members (AREA)
  • Communication Cables (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Cable Accessories (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Insulated Conductors (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Small-Scale Networks (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Claims (24)

1. Abzweigverbinder, bestehend aus einem Körper (10), der aus isolierendem Material besteht und für den Durchgang von Einspannmitteln eine Buchse (27) aufweist, einer Backe (11), die ebenfalls aus isolierendem Material besteht und an dem Körper (10) unter der Kontrolle der Einspannmittel beweglich montiert ist und mit diesem Körper (10) eine Kammer (14) zur In-Stellung-Bringung der Einheit an einem Hauptkabel abgrenzt, Anschlußmittel, die den Anschluß mindestens eines abgezweigten Kabels an diesen Körper (10) gestatten und eine Kammer (14') für die Einführung eines solchen abgezweigten Kabels umfassen, und einem metallischen Kontaktstück (17), das in dem Körper (10) sitzt, in dem es mit einem vorspringenden, isolationsperforierenden Teil (18) mit dieser Kammer (14) und durch einen vorspringenden, isolationsperforierenden Teil (18') mit dieser Kammer (14') interferiert, und geeignet ist, eine elektrische Verbindung zwischen dem Hauptkabel und einem solchen abgezweigten Kabel herzustellen, dadurch gekennzeichnet, daß mindestens der vorspringende Teil (18) des metallischen Kontaktstücks (17) mit dem dieses mit der Kammer (14) des Hauptkabels interferiert, in eine Schale (42) aus biegsamem isolierenden synthetischen Material (42) wie einem weichen Elastomer eingelassen ist, die geeignet ist, sich an ein solches Hauptkabel ganz um diesen vorspringenden Teil (18) herum anzulegen und so die Dichtheit und den Schutz des zwischen diesem und dem Hauptkabel hergestellten elektrischen Kontakts zu gewährleisten, daß die Anschlußmittel zum Anschluß des abgezweigten Kabels an den Körper (10) eine zweite Backe (11') aufweisen, die von der ersten verschieden ist und wie diese an dem Körper (10) unter der Kontrolle von individuellen Einspannmitteln beweglich montiert ist, und daß der vorspringende isolationsperforierende Teil (18') des metallischen Kontaktstücks (17) ebenfalls in eine Schale (42') aus biegsamem isolierenden synthetischen Material (42') wie einem weichen Elastomer eingelassen ist, die dazu geeignet ist, sich an das abgezweigte Kabel ganz um dieses herum anzulegen und so die Dichtheit und den Schutz des zwischen ihm und dem abgezweigten Kabel hergestellten elektrischen Kontakts zu gewährleisten, so daß es sich um einen isolierten und dichten Abzweigverbinder mit getrennter Abzweigung bzw. getrennten Abzweigungen und Isolationsperforierung sowohl auf dem Hauptkabel als auch auf dem bzw. den Abzweigkabeln handelt.
2. Abzweigverbinder nach Anspruch 1, dadurch gekennzeichnet, daß die eine und die andere der Schalen (42, 42'), die dem metallischen Kontaktstück (17) zugeordnet sind, zu ein und demselben Stück (43) aus isolierendem Material gehören, das einen Mantel (44) besitzt, mit dem es auf das metallische Kontaktstück (17) aufgesteckt ist, und einen Boden (45), mit dem es dieses abdeckt und der von zwei Öffnungen (46, 46') durchbrochen ist, die jeweils geeignet sind für den Durchgang der beiden vorspringenden Teile (18, 18') dieses metallischen Kontaktstücks (17).
3. Abzweigverbinder nach Anspruch 2, dadurch gekennzeichnet, daß, indem die Einspannmittel der der Kammer (14) des Hauptkabels zugeordneten Backe (11) aus einer Schraube (12) bestehen, diese in die vom Körper (10) ausgehende Buchse (27) eingeführt ist, diese Buchse (27) das metallische Kontaktstück (17) durchquert und der Boden (45) des Stücks (43) aus isolierendem Material, das die beiden dem metallischen Kontaktstück (17) zugeordneten Schalen bildet, ebenfalls mit einer zentralen Bohrung (47) durchbrochen ist, durch die das Stück (43) aus isolierendem Material auf diese Buchse (27) aufgepreßt ist.
4. Abzweigverbinder nach Anspruch 3, dadurch gekennzeichnet, daß die Bohrung (47) des Stücks (43) aus isolierendem Material von einem abgewinkelten Rand (55) umgeben ist.
5. Abzweigverbinder nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß eine Schale (42,42') parallel zu der Kammer (14, 14'), der sie zugeordnet ist, längs des betreffenden vorspringenden Teils (18, 18') des metallischen Kontaktstücks (17) zur Anlage an dem entsprechenden Kabel zwei elastisch verformbare Lippen (48, 48') besitzt, die zu beiden Seiten des vorspringenden Teils (18, 18') angeordnet sind.
6. Abzweigverbinder nach Anspruch 5, dadurch gekennzeichnet, daß die Schale (42) im Falle der Kammer (14) des Hauptkabels außerdem in Querrichtung zwei Sättel (49) aufweist, die zu beiden Seiten des entsprechenden vorspringenden Teils (18) des metallischen Kontaktstücks (17) angeordnet sind und sich jeweils an das Hauptkabel anlegen können.
7. Abzweigverbinder nach Anspruch 5, dadurch gekennzeichnet, daß die Schale (42') im Falle der Kammer (14') des abgezweigten Kabels in Querrichtung zwei Wannen (50) besitzt, die zu beiden Seiten des entsprechenden vorspringenden Teils (18') des metallischen Kontaktstücks (17) angeordnet sind und die einerseits jeweils eine eindrückbare Portion (49') in Höhe des vorspringenden Teils (18') besitzen und andererseits mit ihrer Kante in eine Öffnung (31) des Körpers (10) eingerastet sind.
8. Abzweigverbinder nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der vorspringende Teil (18, 18') des metallischen Kontaktstücks (17) von einer Portion dieses Stücks getragen ist, die durch einen Schlitz (41, 41') von dem Rest des Stücks getrennt ist.
9. Abzweigverbinder nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß der Körper (10) aus isolierendem Material eine Rückwand (20) besitzt, in der ein Raum (25) zur Aufnahme des metallischen Kontaktstücks (17) vorgesehen ist, wobei an dem Boden (26) dieses Raums (25) die Buchse (27) für den Durchgang von Einspannmitteln (12) hervorsteht, und seitlich zwei Wangen (21), die jeweils längs der Ränder der Rückwand (20) angeordnet sind und sich nur über einen Teil der Höhe dieser Rückwand (20) erstrecken, wobei der überstehende Teil (23) der Rückwand der Kammer (14) des Hauptkabels entspricht, und die jeweils mit einer Öffnung (31) für den Durchgang des abgezweigten Kabels versehen sind.
10. Abzweigverbinder nach Anspruch 9, dadurch gekennzeichnet, daß der Körper (10) aus isolierendem Material außerdem eine Bodenwand (22) besitzt, die seine beiden Wangen (21) an der Basis seiner Rückwand (20) miteinander verbindet.
11. Abzweigverbinder nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß die oder jede Backe (11, 11') verschiebbar auf Führungsschienen (35, 35') sitzt, die zu diesem Zweck an dem Körper (10) aus isolierendem Material vorgesehen ist.
12. Abzweigverbinder nach Anspruch 11, dadurch gekennzeichnet, daß die Führungsschienen (35, 35') den Querschnitt eines halben Schwalbenschwanzes haben.
13. Abzweigverbinder nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß er mehr als zwei Backen (11, 11', 11" ...) besitzt.
14. Abzweigverbinder nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß die Backen (11,11', 11", ...) alle untereinander identisch sind.
15. Abzweigverbinder nach einem der Ansprüche 1, 13, 14, dadurch gekennzeichnet, daß die Backen (11, 11', 11", ...) in der Höhe längs des Körpers (10) aus isolierendem Material gestaffelt sind und alle parallel zueinander beweglich sind.
16. Abzweigverbinder nach einem der Ansprüche 1 bis 15, dadurch gekennzeichnet, daß im Falle einer Backe (11, 11'), die ein metallisches Kontaktstück (65, 65') trägt, von dem ein vorspringender Teil (66, 66') mit der Kammer (14, 14') des entsprechenden Kabels interferiert, mindestens dieser vorspringende Teil (66, 66') dieses metallischen Kontaktstücks (65, 65') ebenfalls in eine Schale (76, 76') aus isolierendem Material eingelassen ist, die sich an ein solches Kabel um dieses herum anlegen und so die Dichtheit und den Schutz des zwischen ihm und dem Kabel hergestellten elektrischen Kontakts gewährleisten kann.
17. Abzweigverbinder nach Anspruch 16, dadurch gekennzeichnet, daß das metallische Kontaktstück (65, 65') einer Backe (11, 11 ein Profilteilabschnitt ist.
18. Abzweigverbinder nach einem derAnsprüche 16, 17, dadurch gekennzeichnet, daß das metallische Kontaktstück (65, 65') einer Backe (11, 11 in eine Aussparung (68, 68') dieser Backe eingerastet ist.
19. Abzweigverbinder nach einem der Ansprüche 16 bis 18, dadurch gekennzeichnet, daß der vorspringende Teil (66, 66') eines metallischen Kontaktstücks (65, 65') ebenfalls isolationsperforierend ist.
20. Abzweigverbinder nach einem der Ansprüche 16 bis 19, dadurch gekennzeichnet, daß die Schale (76, 76') aus isolierendem Material, die eine Backe (11, 11') besitzt, parallel zur Aussparung (68, 68'), der sie zugeordnet ist, längs des vorspringenden Teils (66, 66') des metallischen Kontaktstücks (65, 65'), das sie umschließt, zurAnlage an dem entsprechenden Kabel zwei elastisch verformbare Lippen (82) besitzt, die zu beiden Seiten des vorspringenden Teils (66, 66') angeordnet sind.
21. Abzweigverbinder nach Anspruch 20, dadurch gekennzeichnet, daß die Schale (76, 76') außerdem in Querrichtung zwei Sättel (83) besitzt, die zu beiden Seiten des vorspringenden Teils (66, 66') des metallischen Kontaktstücks (65, 65'), das sie umschließt, angeordnet sind und sich jeweils an das betreffende Kabel anlegen können.
22. Abzweigverbinder nach einem derAnsprüche 20, 21, dadurch gekennzeichnet, daß die Schale (76, 76') einen Mantel (77) besitzt, mit dem sie auf das metallische Kontaktstück (65, 65'), das sie umschließt, aufgesetzt ist.
23. Abzweigverbinder nach einem der Ansprüche 1 bis 22, dadurch gekennzeichnet, daß die Einspannmittel einer Backe (11, 11') aus einer Schraube (12, 12') mit einem Betätigungskopf (85, 85') bestehen, der mindestens teilweise unter Drehmoment abtrennbar ist und ein von dem ihm zugeordneten Schaft (89, 89') getrenntes und an diesem in geeigneterweise, beispielsweise durch Quetschung, angebrachtes Stück bildet, das aus einem anderen Werkstoff als dem Schaft (89, 89') besteht.
24. Abzweigverbinder nach einem der Ansprüche 1 bis 23, dadurch gekennzeichnet, daß die Backe (11), die dem Hauptkabel zugeordnet ist, mit einer Verlängerung (98) in Form einer spitz zulaufenden Nase versehen ist.
EP85401158A 1984-06-15 1985-06-12 Isolierter Abzweigverbinder für elektrische Kabel Expired - Lifetime EP0170545B2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85401158T ATE36922T1 (de) 1984-06-15 1985-06-12 Isolierter abzweigverbinder fuer elektrische kabel.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8409384A FR2566191B1 (fr) 1984-06-15 1984-06-15 Connecteur de derivation isole pour cables electriques
FR8409384 1984-06-15

Publications (3)

Publication Number Publication Date
EP0170545A1 EP0170545A1 (de) 1986-02-05
EP0170545B1 EP0170545B1 (de) 1988-08-31
EP0170545B2 true EP0170545B2 (de) 1993-06-16

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US (1) US4643512A (de)
EP (1) EP0170545B2 (de)
AT (1) ATE36922T1 (de)
DE (1) DE3564745D1 (de)
ES (1) ES8700506A1 (de)
FR (1) FR2566191B1 (de)

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Also Published As

Publication number Publication date
US4643512A (en) 1987-02-17
FR2566191A1 (fr) 1985-12-20
ES8700506A1 (es) 1986-10-01
EP0170545B1 (de) 1988-08-31
EP0170545A1 (de) 1986-02-05
ES544206A0 (es) 1986-10-01
ATE36922T1 (de) 1988-09-15
FR2566191B1 (fr) 1986-11-14
DE3564745D1 (en) 1988-10-06

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