EP2166619B1 - Self-stripping electrical connection device - Google Patents

Self-stripping electrical connection device Download PDF

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Publication number
EP2166619B1
EP2166619B1 EP09170479A EP09170479A EP2166619B1 EP 2166619 B1 EP2166619 B1 EP 2166619B1 EP 09170479 A EP09170479 A EP 09170479A EP 09170479 A EP09170479 A EP 09170479A EP 2166619 B1 EP2166619 B1 EP 2166619B1
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EP
European Patent Office
Prior art keywords
longitudinal
stripping
self
electrical connection
connection device
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Not-in-force
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EP09170479A
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English (en)
French (fr)
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EP2166619A1 (de
Inventor
Yves Saligny
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SYS
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SYS
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Publication of EP2166619B1 publication Critical patent/EP2166619B1/de
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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
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
    • H01R4/2437—Curved plates
    • H01R4/2441—Curved plates tube-shaped
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/2445—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
    • H01R4/2425—Flat plates, e.g. multi-layered flat plates
    • H01R4/2429—Flat plates, e.g. multi-layered flat plates mounted in an insulating base
    • H01R4/2433—Flat plates, e.g. multi-layered flat plates mounted in an insulating base one part of the base being movable to push the cable into the slot

Definitions

  • the present invention relates to self-stripping electrical and mechanical connection devices for connecting insulated electrical conductors to electrical equipment.
  • connection devices Such electrical and mechanical connection devices, described in particular in the documents, are already known.
  • These devices comprise a connection loop with elastically deformable conductive body having two opposing flanges progressively approaching each other to two longitudinal lips separated from each other by a longitudinal connecting slot which develops on the along a longitudinal axis.
  • the longitudinal slot connection has at least, at the end, a mouthpiece insertion and stripping flared V and bordered by cutting edges.
  • the V-shaped opening and stripping mouthpiece with sharp edges is set back from the end of the tubular body.
  • the longitudinal lips each form a free longitudinal edge of one of the flanges. From the longitudinal connecting slot, the cutting edges of the mouth zone move away from each other and away from the longitudinal axis of the longitudinal connecting slot on the same side as the flanges.
  • connection devices By the elasticity of the tubular body, these known connection devices allow some adaptation to different diameters of conductors to be connected.
  • the document FR 2 782 194 at proposed to add, around the conductive tubular body, an external metal reinforcement made of an elastic material and which exerts on the conductive part, an elastic return force in the direction of a ruzement of the lips of the stripping slot and detention.
  • a disadvantage is that it complicates the device, by the use of two different materials, one to achieve the conductive tubular body with good electrical conductivity, and the other to achieve the outer reinforcement with greater stiffness.
  • the use of different materials runs the risk of galvanic corrosion when the connection device is intended to be used in conductive atmospheres.
  • document FR 2 618 611 A a self-stripping connection device according to the preamble of claim 1.
  • the cutting edges essentially develop in two inner flaps connected to the side flanges, and they move away from each other in approaching first the longitudinal axis of the slot and developing in the same direction as the flanges.
  • the inner shutters introduce a flexibility difficult to control, their connection to the flanges of the body being provided by portions of reduced and complex section.
  • this structure leads to an excessive transverse size of the device.
  • the problem proposed by the present invention is thus to design a new structure of electrical connection device self-stripping versatile which, for a wide range of conductor diameters to be connected, both ensures good electrical conduction, a strong electrical contact pressure, effective stripping of the conductor, no risk of galvanic corrosion, and a lower production cost thanks to a simplified structure.
  • the invention proposes a self-stripping electrical connection device for connecting at least one conductive core electrical conductor surrounded by an insulating sheath, the device comprising a connection loop to elastically deformable conductive body having two opposing flanges, connected to each other by a connecting bridge, and approaching each other to two respective longitudinal lips separated from each other by a longitudinal connecting slot developing along a longitudinal axis, the body having at least one opening and stripping mouth flared in V and bordered by sharp edges; the longitudinal lips are each connected to a lateral flange developing laterally from the longitudinal connecting slot to the opposite of the respective flanges; in the region of the flaring insertion and stripping mouth, the longitudinal lips each comprise a respective longitudinal extension having a respective lateral flange section and having one of the respective cutting edges; each sharp edge develops entirely in the respective lateral rim; the sharp edges of the flared inlet and stripping mouth zone both move away from each other outwards and away from the longitudinal axis away from the device
  • the presence of the lateral flanges increases the rigidity of the structure, and allows to transfer in the end stripping zone the holding forces provided by the entire length of the elastically deformable conductive body.
  • the presence of the lateral flanges gives sufficient rigidity to the longitudinal lips to allow for rigid longitudinal extensions and inversion of the orientation of the V mouth, which promotes the stripping and avoids aggression of the driver's core to be connected.
  • the realization of the cutting edges in the lateral flanges ensures a direct and rigid connection of the cutting edges with the main part of the body, making it possible to control, for a wide range of diameters of conductors, the clamping forces and the displacements of the cutting edges during the commitment of drivers to connect.
  • the connecting device makes it possible to connect both, without modification of the device, either an end of a conductor, or an intermediate portion of a conductor which can then protrude radially from the side and other body.
  • the lateral flanges may each have a cylindrical portion shape with a curvilinear transverse profile or an arc of a circle. Such a shape is easier to achieve and gives both good stiffness results and a more even shape of the cutting edges, for efficient and non-aggressive stripping for the core of the wire.
  • the cutting edges may comprise cutting edge sections locally folded inwards to retain the electrical conductor.
  • the longitudinal connecting slot may have a width which decreases progressively in the direction of the flaring inlet and stripping mouth zone.
  • the connecting device is thus adapted to retain a wider range of diameters of electrical conductors.
  • the flanges may each comprise a diagonal fold line from which the flange is bent inwards.
  • the retaining means substantially increase the stiffness of the body, opposing the spacing of the longitudinal lips, without requiring the use of a more rigid material.
  • the combination of the retaining means and the lateral flanges makes it possible to transmit to the cutting edges the retaining force exerted by the retaining means.
  • the retaining means may comprise a transverse tab snap on an opposite recess, performing a pivoting attachment of transverse axis. This avoids disturbing the elastic movements of the mouth and stripping area by any rigidity of the retaining means.
  • the connecting device may advantageously further comprise an elastic reinforcement, reported, which elastically biases the longitudinal lips towards one another.
  • the elastic reinforcement may advantageously be a longitudinal slit structure, with longitudinal protuberances coming to tighten the longitudinal extensions of the body towards each other.
  • the elastic reinforcement can be attached longitudinally sliding relative to the connecting loop body, so that its longitudinal position is adjustable to adapt the clamping force of the longitudinal lips in the area of flared mouth introduction and stripping.
  • the elastic reinforcement can be engaged inside the body, with its two longitudinal protuberances protruding outside the body to be applied on the respective outer faces of the longitudinal extensions of the body.
  • This arrangement promotes the mechanical coupling between the elastic reinforcement and the body, and allows to give the assembly a preload favoring the tightening of the longitudinal lips.
  • the size of the device is smaller than with an external elastic reinforcement.
  • a self-stripping electrical connection device comprises a connection loop 100 with a single-piece body 1, made of a good electrically conducting metal such as a copper alloy, obtained by cutting and folding a metal blank.
  • the body 1 generally comprises two opposite flanges 2 and 3, connected to each other by a connecting bridge 4, and progressively approaching one another to two respective longitudinal lips 6 and 7 close to each other and separated from each other by a longitudinal slot connection 5 which develops along a longitudinal axis II.
  • the longitudinal connecting slot 5 comprises, at one of its longitudinal ends, an insertion and stripping mouth 8, of flared shape in an open V towards the outside, as can be seen better on the figure 5 and bordered by cutting edges 9 and 10 directly following the longitudinal lips 6 and 7 respectively.
  • the longitudinal lips 6 and 7 are each connected to a respective lateral rim 6a or 7a which develops from the longitudinal connecting slot 5 opposite the respective flanges 2 and 3. From the longitudinal connecting slot 5, the lateral flanges 6a and 7a grow apart from each other.
  • the lateral flanges 6a and 7a each have a cylindrical portion shape with a longitudinal axis and a transverse profile in an arc of a circle: see in particular the figure 3 .
  • the lips 6 and 7 thus form the areas of the flanges closest to each other, while being able to deviate from one another for the passage of an electric conductor engaged in force against the elastic restoring force produced by the body 1.
  • the longitudinal lips 6 and 7 each comprise a respective longitudinal extension 6b or 7b, extending substantially parallel to the direction of the longitudinal axis I-I.
  • Each of the respective longitudinal extensions 6b and 7b comprises a section of the respective lateral flange 6a or 7a, and has one of the respective two cutting edges 9 or 10 which develops in the respective lateral flange section 6a or 7a.
  • the cutting edges 9 and 10 are thus directly in continuity with the longitudinal lips 6 and 7.
  • the areas of the lips 6 and 7 of the body 1, as well as their extensions 6b and 7b, form two extremely rigid longitudinal beams, capable of transmitting to the cutting edges 9 and 10 the clamping forces elastic coming from the body 1.
  • the connecting loop body 1 is longitudinally set back from the flaring insertion and stripping mouth 8 forming a recess opposite to the longitudinal connecting slot 5 in the flared inlet mouth zone and stripping 8.
  • the longitudinal extensions 6b and 7b may advantageously be limited by inner edges 9a and 10a locally folded inwards to retain the electrical conductor with a harpoon effect.
  • the retaining means 11 may comprise a transverse tab 11a ( figure 17 ) snap on a recess 11 b opposite to achieve a pivoting attachment transverse axis II ( figure 1 ).
  • the longitudinal slot 5 connection itself has a V-shaped with a width that decreases progressively towards the area of flared mouth of introduction and stripping 8.
  • the lateral flanges 2 and 3 of the body 1 are folded inwards along a diagonal such as the fold line 2a for the lateral flange 2, and the line of fold 3a with respect to the lateral flange 3.
  • the diagonal is oriented so as to deviate from the longitudinal connecting slot 5 in the area of the insertion and stripping mouth 8.
  • the figures show a fold line 2a or 3a according to which the definitive folding angle ⁇ ( figure 3 ) is about 15 °. This value can be adapted according to the dimensions of the connecting device.
  • the retaining means 11 allow to arm the body 1, that is to say to put it in preload to ensure a satisfactory relative clamping force of the longitudinal lips 6 and 7 towards each other regardless of the diameter of the conductors that the is engaged between the longitudinal lips 6 and 7 for their connection.
  • FIGS. 13 to 18 illustrate a second embodiment of a self-stripping electrical connection device according to the invention.
  • connection loop 101 is no longer one-piece, but comprises two parts, namely an elastic body 1 such as that illustrated above on the Figures 1 to 5 , and an elastic reinforcement 20, which is reported, and which elastically biases the longitudinal lips 6 and 7 of the body 1 towards each other.
  • the elastic reinforcement 20 is also a split structure, with a longitudinal slot 21, two lateral flanges 22 and 23 connected to each other by a connecting bridge 24.
  • the elastic reinforcement 20 has longitudinal protrusions 25 and 26 respectively extending the side flanges 22 and 23, with respective return tabs 25a and 26a.
  • the elastic reinforcement 20 has a diagonal fold line 22a on the lateral flange 22, and a diagonal fold line 23a on the side flange 23.
  • the elastic reinforcement 20 can be armed and prestressed, in the same manner as the body 1.
  • the elastic reinforcement 20 shown on the Figures 6 to 12 is engaged inside the body 1. Its two longitudinal protuberances 25 and 26 extend outside the body 1 in the region of the longitudinal extensions 6b and 7b, and are applied on the respective outer faces of the longitudinal extensions 6b and 7b of the body 1.
  • a major advantage of the internal position of the elastic reinforcement 20 is to ensure the additional elastic restoring force of the body 1 without increasing the overall size of the connecting device.
  • the interest is thus to reduce the transverse bulk (distance between the flanges 2 and 3), which determines the pitch P between a series of parallel connectors (see figure 34 ).
  • the elastic reinforcement 20 also makes it possible to reinforce the rigidity of the longitudinal lips 6 and 7, in order to better add the spring effects of the body 1 and the elastic reinforcement 20, and to avoid the twisting of the longitudinal extensions 6b and 7b.
  • connection loop 100 When in use, as schematically seen on the figure 19 a connection loop 100 (or 101) as described above receives an electrical conductor 30 oriented transversely and pushed longitudinally in the direction of the axis 1-1 as illustrated by the arrow 31.
  • the electrical conductor 30 comprises a metal core 30a surrounded by an insulating sheath 30b.
  • the cutting edges 9 and 10 bite into the insulating sheath 30b and come into contact with the core 30a.
  • the cutting edges 9 and 10 in the area of the flaring insertion and stripping mouth 8, go both away from each other outwards and away from each other.
  • the longitudinal axis 1-1 opposite the flanges 2 and 3 the cutting edges 9 and 10 have an orientation which promotes the stripping and mechanical retention of the conductor 30.
  • the stripping is also favored by the helical shape cutting edges 9 and 10, which shape results from the cylindrical structure of the lateral flanges 6a and 7a.
  • the conductor 30 can be engaged to fix its end to the electrical connection loop 100 as shown in FIG. figure 19 or a conductor 130 may be engaged in an intermediate portion of conductor as shown on the same figure 19 , in relation with another electrical connection loop 100a of the same type.
  • each connecting loop body comprises a respective axial assembly portion 102 or 102a, developing opposite the insertion and stripping mouth 8 or 8a, and shaped to provide a male-female axial connection.
  • female with the corresponding axial assembly portion of a second connecting loop body, the assembly thus allowing the connection of two electrical conductors 30 and 130.
  • FIGS 20 and 21 illustrate in partial section a complete structure of self-stripping electrical connection device, with the two connection loops 100 and 100a which are engaged in an insulating housing 40 having at least one passage 41 (two passages 41 and 42 in the mode). illustrated embodiment) for the engagement of an electrical conductor to be connected.
  • the casing 40 is associated, for each passage 41 or 42 and each connection loop 100 and 100a, with a push-button 43 or 44 that is displaceable longitudinally and able to urge the respective conductor engaged in the respective passage 41 or 42 to engage it in the longitudinal slot connection 5 or 5a of the connecting loop 100 or 100a by the flaring insertion and stripping mouth 8 or 8a.
  • the figure 20 illustrates the device before the introduction of the electrical conductors 30 and 130, while the figure 21 illustrates the same device after the introduction of the electrical conductors 30 and 130.
  • the connecting bridge 4 which connects the two opposite flanges 2 and 3 to each other is located between the respective longitudinal edges 2b and 3b which are opposed to the longitudinal connecting slot 5, as we see it on the figure 1 .
  • the connecting bridge 4 can occupy the entire length of the body 1 of the loop 100, to give a relatively large stiffness.
  • the retaining means 11 are arranged in the longitudinal slot region 5 which is away from the flaring insertion and stripping mouth 8.
  • the connecting bridge 4 which connects the flanges 2 and 3 may be located on the respective transverse edges 2c, 3c which are opposed to the flared mouth of introduction and stripping 8, as seen for example in Figures 22 to 26 .
  • the retaining means 11a are arranged in opposition to the longitudinal connecting slot 5, or between the respective longitudinal edges 2b and 3b of the flanges 2 and 3, or between the respective transverse edges 2d and 3d which are on the side the flared mouth introduction and stripping, in the vicinity of the longitudinal edges 2b and 3b.
  • This embodiment of Figures 22 to 26 further increases the freedom of passage of a conductor which, after insertion into the longitudinal connecting slot 5, can escape the body 1 as long as it does not collide with the retaining means 11a.
  • FIGS 27 , 28 and 29 illustrate another embodiment in which the connecting bridge 4 is also located between the respective transverse edges opposite the flaring insertion and stripping mouth 8, as in the embodiment of the invention.
  • Figures 22 to 26 with the addition of an added elastic reinforcement 20 engaged inside the body 1.
  • the elastic reinforcement 20 is better visible on the figure 27 , and comprises means similar to those of the elastic reinforcement 20 previously described in connection with the Figures 6 to 12 .
  • the connecting bridge 4 is bent in a semicircle;
  • a connecting bridge 4 having a transverse U-profile with two corner bends such as the connecting bridge 4 illustrated in the embodiments of FIGS. Figures 22 to 33 because such a structure substantially increases the elastic clamping force of the longitudinal lips.
  • FIGS 30 and 31 illustrate in partial section a complete structure of self-stripping electrical connection device, with a connecting loop 100 which is engaged in an insulating housing 40 having a passage 41 for the engagement of an electrical conductor to be connected.
  • the casing 40 is associated with a plunger 43 that is displaceable longitudinally and able to push the respective conductor to engage it in the longitudinal connecting slot 5 of the connection loop 100.
  • the pusher 43 has a second function of adjusting the spacing of the longitudinal lips on either side of the longitudinal connecting slot 5 as a function of the diameter of the conductor engaged in the passage 41.
  • the pusher 43 is shaped to spread more or less the longitudinal slot connection 5 according to the diameter of the conductor to be connected.
  • the pusher 43 has a medial wall 43a which engages inside the connection loop. 100, and which has lateral bosses, such as the boss 43b, adapted to bear on the longitudinal lips on either side of the longitudinal connecting slot 5. Due to the V shape of the longitudinal connecting slot 5, as illustrated on the figures 17 and 26 it will be understood that the longitudinal movement of the pusher 43 causes the longitudinal lips of the connecting loop 100 to move apart on either side of the longitudinal connecting slot 5.
  • the pusher 43 is in the initial position, or position allowing the engagement of a large diameter conductor, the diameter being up to the diameter of the passage 41.
  • the bosses 43b are then engaged in the longitudinal connecting slot 5 in the vicinity of the mouth 8, producing a large separation of the longitudinal lips on either side of the longitudinal connecting slot 5. In this way, the longitudinal lips can penetrate the insulator of the driver with only a weak force that he must be applied to the pusher 43.
  • This embodiment thus makes it possible to adapt the spacing of the lips as a function of the diameter of the conductor, to reduce the force of penetration of the cutting edges into the insulating sheath of the conductor, and to avoid biting into the conductor itself.
  • the central wall 43a may be devoid of bosses but may cooperate with bosses or ribs provided on the body 1, to fulfill the same function of adjusting the spacing of the lips.
  • the embodiment of the figure 32 uses the same elements as the embodiment of the figure 1 with a different body shape 1.
  • the body 1 has a height H1 which varies according to the position along the axis longitudinal II, the body 1 having a lower height in the vicinity of the retaining means 11 and having a greater height in the vicinity of the mouth 8.
  • the figure 33 resumes the same principle as the figure 32 , with a device having in addition an elastic reinforcement 20 reported in the body 1.
  • connection loops 110, 111 and 112 such as those of Figures 20 and 21 are associated in the same housing 41, allowing the connection of three pairs of conductors.
  • the double connector 110 allows the connection of a large diameter conductor 230 and a small diameter conductor 330 without this requiring a structural change of the corresponding connection loops.
  • the small transverse dimension of the connection loops according to the invention makes it possible to produce such a connector with a small transverse bulk, allowing a connection pitch P of small value, compatible with the space saving requirements of the connectors.

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  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Claims (15)

  1. Vorrichtung zum automatisch abisolierenden elektrischen Verbinden für das Verbinden mindestens eines elektrischen Leiters (30, 130) mit einer leitfähigen Seele (30a), die von einem isolierenden Mantel (30b) umgeben ist, wobei die Vorrichtung eine Befestigungsschleife (100, 101, 100a) mit einem leitfähigen, elastisch verformbaren Körper (1) aufweist, der zwei gegenüberliegende Schenkel (2, 3) hat, die über eine Verbindungsbrücke (4) miteinander verbunden sind und sich gegenseitig annähern, bis zu zwei längsverlaufenden Lippen (6, 7), die durch einen längsverlaufenden Verbindungsspalt (5) voneinander getrennt sind, der sich längs einer Längsachse (I-I) erstreckt, wobei der Körper (1) mindestens eine Einführ- und Freilegungsmündung (8) aufweist, die V-förmig aufgeweitet und durch Schneidkanten (9, 10) eingesäumt ist, bei der:
    - sich die längsverlaufenden Lippen (6, 7) jeweils an einen seitlichen Rand (6a, 7a) anschliessen, der sich seitlich von dem längsverlaufenden Verbindungsspalt (5) entgegengesetzt zu den jeweiligen Schenkeln (2, 3) erstreckt,
    - in der Zone der Einführ- und Freilegungsmündung (8) die längsverlaufenden Lippen (6, 7) jeweils eine längsverlaufende Verlängerung (6b, 7b) aufweisen, die einen Abschnitt des jeweiligen seitlichen Randes (6a, 7a) haben und eine der jeweiligen Schneidkanten (9, 10),
    dadurch gekennzeichnet, dass:
    - sich jede Schneidkante (9, 10) vollständig über den jeweiligen seitlichen Rand (6a, 7a) erstreckt,
    - die Schneidkanten (9, 10) der Zone der aufgeweiteren Einführ- und Freilegungsmündung (8) sich gleichzeitig voneinander nach aussen hin entfernen und sich von der Längsachse (I-I) entgegengesetzt zu den Schenkeln (2, 3) entfernen.
  2. Vorrichtung zum automatisch abisolierenden elektrischen Verbinden nach Anspruch 1, dadurch gekennzeichnet, dass die seitlichen Ränder (6a, 7a) jeweils die Form eines Zylinderabschnittes mit transversal krummlinigem oder kreisbogenförmigem Profil haben.
  3. Vorrichtung zum automatisch abisolierenden elektrischen Verbinden nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass die Schneidkanten (9, 10) Abschnitte (9a, 10a) von lokalen Schneidkanten aufweisen, die in Richtung zum Inneren rückgefaltet sind, um den elektrischen Leiter (30, 130) zu halten.
  4. Vorrichtung zum automatisch abisolierenden elektrischen Verbinden nach irgendeinem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass bei Abwesenheit einer auf den Körper (1) der Befestigungsschleife ausgeübten externen Spannung der längsverlaufende Verbindungsspalt (5) eine Grösse hat, die sich progressiv in Richtung zur Zone der Einführ- und Freilegungsmündung (8) verringert.
  5. Vorrichtung zum automatisch abisolierenden elektrischen Verbinden nach Anspruch 4, dadurch gekennzeichnet, dass die Schenkel (2, 3) jeweils eine diagonal verlaufende Falzkante (2a, 3a) aufweisen, von der ausgehend der Schenkel nach innen eingefalzt ist.
  6. Vorrichtung zum automatisch abisolierenden elektrischen Verbinden nach irgendeinem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass:
    - die Verbindungsbrücke (4) die Schenkel (2, 3) an ihren jeweiligen längsverlaufenden Rändern (2b, 3b) gegenüberliegend zu dem längsverlaufenden Verbindungsspalt (5) verbindet,
    - in der distalen Zone des längsverlaufenden Verbindungsspaltes (5) im Abstand zu der erweiterten Einführ- und Freilegungsmündung (8) die längsverlaufenden Lippen (6, 7) des Körpers (1) durch Haltemittel (11) aneinander gehalten sind, entgegen ihrem relativen Abstand.
  7. Vorrichtung zum automatisch abisolierenden elektrischen Verbinden nach Anspruch 6, dadurch gekennzeichnet, dass die Haltemittel (11) eine quer verlaufende Lasche (11a aufweisen, die auf einer entgegengesetzten Vertiefung (11b) zum Einrasten kommt, wodurch eine schwenkende Ankopplung einer quer verlaufenden Achse (II) realisiert wird.
  8. Vorrichtung zum automatisch abisolierenden elektrischen Verbinden nach irgendeinem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass:
    - die Verbindungsbrücke (4) die Schenkel (2, 3) an ihren jeweiligen quer verlaufenden Rändern (2c, 3c) verbindet entgegengesetzt zu der erweiterten Einführ- und Freilegungsmündung (8),
    - die Schenkel (2, 3) längs eines dem längsverlaufenden Verbindungsspalt (5) gegenüberliegenden Abschnittes durch Haltemittel (11a) aneinander gehalten sind, die ihrem relativen Abstand gegenüberliegen.
  9. Vorrichtung zum automatisch abisolierenden elektrischen Verbinden nach irgendeinem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass sie zusätzlich eine elastische Verstärkung (20) aufweist, die, wenn sie aufgesetzt ist, die längsverlaufenden Lippen (6, 7) elastisch gegeneinander verspannt.
  10. Vorrichtung zum automatisch abisolierenden elektrischen Verbinden nach Anspruch 9, dadurch gekennzeichnet, dass die elastische Verstärkung (20) eine Struktur mit einem längsverlaufenden Spalt (21) ist, mit längsverlaufenden Vorsprüngen (25, 26), die die längsverlaufenden Verlängerungen (6b, 7b) des Körpers (1) gegeneinander pressen.
  11. Vorrichtung zum automatisch abisolierenden elektrischen Verbinden nach Anspruch 9 oder 10, dadurch gekennzeichnet, dass die elastische Verstärkung (20) gegenüber dem Körper (1) der Befestigungsschleife längsverschieblich gehalten ist, derart, dass seine Position in Längsrichtung einstellbar ist, um die Presskraft der längsverlaufenden Lippen (6, 7) in der Zone der erweiterten Einführ- und Freilegungsmündung (8) einzustellen.
  12. Vorrichtung zum automatisch abisolierenden elektrischen Verbinden nach irgendeinem der Ansprüche 9 bis 11, dadurch gekennzeichnet, dass die elastische Verstärkung (20) im Inneren des Körpers (1) in Eingriff steht, mit ihren zwei längsverlaufenden Vorsprüngen (25, 26), die aus dem Äusseren des Körpers (1) heraustreten, um sich an den jeweiligen externen Flächen der längsverlaufenden Verlängerungen (6b, 7b) des Körpers (1) anzulegen.
  13. Vorrichtung zum automatisch abisolierenden elektrischen Verbinden nach irgendeinem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass der Körper (1) der Befestigungsschleife einen axialen Montageabschnitt (102, 102a) aufweist, der sich gegenüberliegend zu der Einführ- und Freilegungsmündung (8, 8a) erstreckt und ausgebildet ist, um eine axiale Stecker-Buchsenmontage mit einem axialen Montageabschnitt sicherzustellen, der mit einem zweiten Körper der Verbindungsbrücke korrespondiert, wobei die Anordnung auch einen Anschluss von zwei elektrischen Leitern (30, 130) gestattet.
  14. Vorrichtung zum automatisch abisolierenden elektrischen Verbinden nach irgendeinem der Ansprüche 1 bis 13, dadurch gekennzeichnet, dass sie einen isolierenden Behälter (40) aufweist, in dem der Körper (1) der Befestigungsschleife angeordnet ist, wobei der isolierende Behälter (40) mindestens eine Passage (41, 42) für den Eingriff eines zu verbindenden elektrischen Leiters (30, 130) aufweist und einen Stössel (43, 44), der in der Lage ist, den Leiter (30, 130) zu stossen, zum radialen Eingriff in den längsverlaufenden Verbindungsspalt (5, 5a) durch die aufgeweitete Einführ- und Freilegungsmündung (8, 8a).
  15. Vorrichtung zum automatisch abisolierenden elektrischen Verbinden nach Anspruch 14, dadurch gekennzeichnet, dass der Stössel (43) ausgebildet ist, um den längsverlaufenden Verbindungsspalt (5) mehr oder weniger gemäss dem Durchmesser des zu verbindenden Leiters (30, 130) aufzuweiten.
EP09170479A 2008-09-17 2009-09-16 Self-stripping electrical connection device Not-in-force EP2166619B1 (de)

Applications Claiming Priority (1)

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FR0856252A FR2936107B1 (fr) 2008-09-17 2008-09-17 Dispositif de raccordement electrique auto-denudant.

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EP2166619B1 true EP2166619B1 (de) 2012-07-25

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Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1362994A (fr) * 1963-07-12 1964-06-05 United Carr Fastener Corp Connecteur électrique
DE7036215U (de) * 1970-09-30 1971-01-21 Siemens Ag Klemmelement zum abisolierfreien anschluss elektrischer leiter.
US4017140A (en) * 1975-10-28 1977-04-12 Amp Incorporated Wire-in-slot electrical connections
US4113338A (en) * 1977-01-03 1978-09-12 Bunker Ramo Corporation Insulation-piercing contact
FR2618611B1 (fr) * 1987-07-22 1989-12-01 Saligny Yves Borne de connexion auto-denudante pour conducteur electrique
FR2743944B1 (fr) * 1996-01-19 1998-03-20 Entrelec Sa Module de raccordement electrique
FR2764125A1 (fr) * 1997-05-30 1998-12-04 Entrelec Sa Piece de connexion a fente pour agencement de raccordement pour au moins un fil electrique
FR2782194B1 (fr) * 1998-08-07 2003-08-08 Entrelec Sa Dispositif de connexion auto-denudant
FR2819348B1 (fr) 2001-01-05 2006-12-01 Entrelec Connexion autodenudante a fente convergente
FR2876226B1 (fr) 2004-10-01 2007-01-19 Abb Entrelec Soc Par Actions S Organe de connexion electrique et mecanique d'un organe de raccordement electrique

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FR2936107B1 (fr) 2014-11-21
EP2166619A1 (de) 2010-03-24

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