EP3246992A1 - Connection device for a terminal section of an electric cable - Google Patents

Connection device for a terminal section of an electric cable Download PDF

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Publication number
EP3246992A1
EP3246992A1 EP17171855.4A EP17171855A EP3246992A1 EP 3246992 A1 EP3246992 A1 EP 3246992A1 EP 17171855 A EP17171855 A EP 17171855A EP 3246992 A1 EP3246992 A1 EP 3246992A1
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EP
European Patent Office
Prior art keywords
longitudinal
face
insert
intermediate face
longitudinal intermediate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17171855.4A
Other languages
German (de)
French (fr)
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EP3246992B1 (en
Inventor
Stéphane Areias
Hubert LAVERSANE
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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Publication of EP3246992A1 publication Critical patent/EP3246992A1/en
Application granted granted Critical
Publication of EP3246992B1 publication Critical patent/EP3246992B1/en
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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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/36—Conductive members located under tip of screw
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2101/00—One pole
    • 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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/305—Clamped connections, spring connections utilising a screw or nut clamping member having means for facilitating engagement of conductive member or for holding it in position

Definitions

  • the invention relates to connection devices for a terminal section of electric cable.
  • the invention aims to provide a connection device similar but simpler and more convenient.
  • connection device according to the invention is provided for be used with a terminal cable section.
  • the invention is indeed based on the observation that if the characteristics which have just been exposed are present, then the interactions between the clamping screws, the cable end section and the insert during the immobilization of the terminal section in the device will lead to a final arrangement offering an excellent tightening of the cable end section and therefore an excellent quality of electrical contact, in particular because it prevents the insert prematurely blocks the progression of a screw.
  • the cable node shown on the Figures 1 and 2 comprises a connection device 1, an electric cable 3 and an electric cable 5 of larger section than the electric cable 3.
  • the insulating sheath 7 of the cable 3 has been removed on a terminal section 6 while the insulating sheath 9 of the cable 5 has been removed on a terminal section 8, so that only the conductive core of the cables 3 and 5 is present on the terminal sections 6 and 8.
  • connection device 1 comprises a connection sleeve 2 and an insert 4.
  • connection sleeve 2 comprises a conductive element 10 made of aluminum or other metallic material which is good in conducting electricity, for receiving the terminal sections 6 and 8 of the electric cables 3 and 5, as well as clamping screws 42 and 43 configured to tighten. the terminal sections 6 and 8 introduced into the conductive element 10.
  • the conductive element 10 has a first tubular portion 11, a second tubular portion 12 similar to the first tubular portion 11 and a junction portion 13 connecting the first tubular portion 11 and the second tubular portion 12.
  • the first tubular portion 11 receives the terminal section 6 of the cable 3 with the insert 4, while the second tubular portion 12 receives the terminal section 8 of the cable 5 alone, that is to say without insert.
  • tubular portions 11 and 12 being similar, the description of the first tubular portion 11 which follows also applies to the second tubular portion 12.
  • the first tubular portion 11 is oriented in an axial direction and has a first thread 14 and a second thread 15 each passing through and oriented in a radial direction.
  • the first tapping 14 and the second tapping 15 are arranged with an axial gap and with an angular difference.
  • the first tapping 14 is configured to cooperate with the clamping screw 42, while the second tapping 15 is configured to cooperate with the clamping screw 43, to clamp a cable end section such as 6 or 8.
  • the first tubular portion 11 has an inner surface 16 delimiting a housing 17 configured to receive the end portion of a cable when it has a relatively high section, such as the terminal section 8 of the cable 5.
  • Annular ribs 18 are provided on the inner surface 16.
  • the joining portion 13 forms a bottom wall 19 for the housing 17, which opens out opposite the bottom wall 19 through an opening 21.
  • the cable end section is introduced into the housing 17 through the opening 21.
  • the first tapping 14 is located on the side of the junction portion 13, while the second tapping 15 is located on the side of the opening 21.
  • clamping screws 42 and 43 are identical, as are the threads 14 and 15.
  • the screws 42 and 43 each comprise a threaded rod 30, a head 31 and a fuse portion 32 connecting the threaded rod 30 to the head 31, the fuse portion 32 being configured to break automatically when a predetermined torque is reached. This avoids damaging the terminal cable section by over-tightening.
  • the threaded rod 30 has, on the opposite side to the head 31, a distal surface 33 which is straight.
  • the housing 17 is sized to accommodate a cable end section of a section in a range from 120 mm 2 to 240 mm 2 .
  • the insert 4 is placed in the housing 17 and the terminal section is received in the portion of the housing 17 not occupied by the insert 4.
  • the range of smaller sections of the terminal cable sections ranges from 50 mm 2 to 95 mm 2 .
  • the insert 4 is gutter-shaped and has an outer face 24, an inner face 25, a first longitudinal intermediate face 22 extending between the outer face 24 and the inner face 25, and a second longitudinal intermediate face 23, extending between the outer face 24 and the inner face 25.
  • the first longitudinal intermediate face 22 is located on a first side of the insert 4 and the second longitudinal intermediate face 23 is located on a second side of the insert 4 opposite to the first side.
  • the outer face 24 and the inner face 25 are each curved.
  • the outer face 24 has a generally convex profile while the inner face 25 has a generally concave profile.
  • the insert 4 is configured to be disposed in the housing 17 delimited by the tubular portion 11 with the outer face 24 in contact with the inner surface 16 of the tubular portion 11.
  • the inner face 25 of the insert 4 is eccentric relative to the inner surface 16 of the tubular portion 11 to the threads 14 and 15.
  • the insert 4 has a length such that it extends from the bottom wall 19 to the opening 21 when it is received in the housing 17 of the tubular portion 11, as is clearly visible on the figure 4 .
  • the insert 4 extends longitudinally between a first end intermediate face 39 and a second end intermediate face 40 opposite to the first end intermediate face 39.
  • the first longitudinal intermediate face 22 and the second longitudinal intermediate face 23 each have a stepped profile.
  • first longitudinal intermediate face 22 and the second longitudinal intermediate face 23 of the insert 4 each have a first longitudinal portion 35 set back with respect to a second longitudinal portion 36.
  • the first longitudinal portion 35 of the first longitudinal intermediate face 22 is at the right of the second longitudinal portion 36 of the second longitudinal intermediate face 23 while the second longitudinal portion 36 of the first longitudinal intermediate face 22 is at the right of the first longitudinal portion. 35 of the second longitudinal intermediate face 23.
  • the first longitudinal portion 35 of the first longitudinal intermediate face 22 and the second longitudinal portion 36 of the second longitudinal intermediate face 23 are provided to face the first clamping screw 42, engaged in the first internal thread 14; while the second longitudinal portion 36 of the first longitudinal intermediate face 22 and the first longitudinal portion 35 of the second longitudinal intermediate face 23 are intended to face the second clamping screw 43 engaged in the second tapping 15.
  • Each first longitudinal portion 35 is of the same length as the second longitudinal portion 36 of which it is right.
  • first longitudinal portion 35 of the first longitudinal intermediate face 22 and the second longitudinal portion 36 of the second longitudinal intermediate face 23 have the same length
  • the second longitudinal portion 36 of the first longitudinal intermediate face 22 and the first portion. longitudinal 35 of the second longitudinal intermediate face 23 have the same length
  • the first and second longitudinal intermediate faces 22 and 23 of the insert 4 each have a shoulder 37 at the junction between the first longitudinal portion 35 and the second longitudinal portion 36.
  • the shoulder 37 of the first longitudinal intermediate face 22 is at the right of the shoulder 37 of the second longitudinal intermediate face 23.
  • each shoulder 37 is straight.
  • the shrinkage between the first longitudinal portion 35 and the second longitudinal portion 36 is identical for each longitudinal intermediate face 22 and 23.
  • the first longitudinal intermediate face 22 is narrower in the portion 36 than in the portion 35.
  • the second longitudinal intermediate face 23 is narrower in the portion 36 than in the portion 35.
  • the outer face 24 of the insert 4 further has a plurality of reentrant surface portions 38 extending longitudinally.
  • the reentrant portions 38 extend from the first end intermediate face 39 at the shoulder 37 of the first longitudinal intermediate face 22.
  • the reentrant portions 38 extend from the second end intermediate face 40 until at the shoulder 37 of the second longitudinal intermediate face 23.
  • the reentrant portions 38 extend from the first face intermediate end 39 to the second end intermediate face 40.
  • a reentrant portion 38 of the first sector portion and a reentrant portion 38 of the third sector portion form a first longitudinal groove 44.
  • a re-entrant portion 38 of the second sectoral portion and a reentrant portion 38 of the third sectorial portion form a second longitudinal groove 45.
  • two reentrant portions 38 form a third longitudinal groove 46 at mid-distance between the first longitudinal groove 44 and the second longitudinal groove 45.
  • the insert 4 thus has a petaloid transverse profile, clearly visible on the Figures 6, 8 and 9 .
  • the insert 4 has a certain symmetry.
  • the insert 4 has a profile, when it is observed with its first end intermediate face 39 facing towards a first side, its second end intermediate face 40 facing towards a second side opposite to the first side, its inner face 25 facing upwards and its outer face 24 facing down, which is similar to the profile that it has when it is observed with its second end intermediate face 40 turned towards the first side, its first intermediate face end end 39 turned towards the second side, its outer face 24 facing upwards and its inner face 25 facing downwards.
  • the insert 4 can be introduced into the housing 17 with either its first intermediate end face 39 or its second end intermediate face 40 first.
  • the sleeve 2 (conductive element 10 and screw 42, 43) is initially in a state where the screws 42 and 43 are in place in the threads 14 and 15 with each of the screws 42 and 43 which has its distal surface 33 at the outlet internal thread in which it is engaged (see figure 8 the screw 43 which is in this position).
  • the insert 4 is positioned in the housing 17 of the tubular portion 11 as shown in the drawings, that is to say with its outer face 24 which is against the inner surface 16 of the tubular portion 11 and with its inner face. 25 which is turned to the screws 42 and 43.
  • each distal surface 33 is away from the first longitudinal intermediate face 22 and the second longitudinal intermediate face 23 of the insert 4, which is then free to pivot around of the axial direction: the insert 4 can be in the angularly centered position shown on the figures 3 , 4 , 8 and 9 or in a position inclined relative to this centered position, for example the position shown on the figure 6 .
  • the outer face 24 of the insert 4 rests on the annular ribs 18 formed on the inner surface 16 of the tubular portion 11.
  • the terminal section 6 of the cable 3 is introduced through the opening 21 in the housing 17 of the tubular portion 11, and more precisely in the portion 34 of this housing not occupied by the insert 4; and the terminal section 8 of the cable 5 is introduced into the housing of the tubular portion 12.
  • the end portion 6 is sandwiched between the distal surface 33 of the screw 42 and the inner face 25 of the insert 4 and also between the distal surface 33 of the screw 43 and the inner face 25 of the insert 4.
  • the end portion 8 is sandwiched between the distal surface 33 of the screw 42 and the inner surface 16 of the tubular portion 12 and also between the distal surface 33 of the screw 43 and the inner surface 16 of the portion tubular 12.
  • the annular ribs 18 are favorable for mechanical holding and electrical contact with the terminal cable sections.
  • the device 1 is intended to be used in a distribution network of electricity both low voltage and medium voltage, that is to say up to 50,000 volts.
  • the presence of the insert 4 is also favorable to these electromagnetic performances, since the insert 4 provides a certain centering of the terminal section 6 of the cable 3, and since the rods 30 of the screws 42 and 43 of the tubular portion 11 sink in the housing 17 by an amount close to that of the screws 42 and 43 of the tubular portion 12, despite the smaller diameter of the terminal section 6 of the cable 3.
  • the staggered arrangement of the longitudinal intermediate faces 22 and 23 of the insert 4 makes it possible to prevent the insert from prematurely blocking the progression of one of the screws 42 and 43.
  • connection device 1 is not intended to be used in the absence of cable to connect.
  • connection device 1 admits a state ready to receive a terminal section of electrical cable where the insert 4 is received in the housing 17 with the distal surface 33 of the first clamping screw 42 which is the spacing of each of the first and second longitudinal intermediate faces 22 and 23, and with the distal surface 33 of the second clamping screw 43 which is spaced apart from each of the first and second longitudinal intermediate faces 22 and 23; and in this state the insert 4 is free to pivot about the axial direction in which is oriented the tubular portion 11.
  • the insert 4 can no longer pivot and therefore remains in the angular position reached.
  • the stepped arrangement of the longitudinal intermediate face 22 and the longitudinal intermediate face 23 and the angular orientation of the screw 42 are such that the angular position reached is the above-mentioned centered angular position.
  • the angular difference between the insert 4 and the screw 42 is determined between the median longitudinal plane 26 of the insert 4 and the general direction 27 of the screw 42; and likewise the angular difference between the insert 4 and the screw 43 is appreciated between the median longitudinal plane 26 of the insert 4 and the general direction 28 of the screw 43.
  • the insert 4 may have any angular position.
  • the longitudinal intermediate faces 22 and 23 may be at equal distances or at different distances from the distal surface 33 of the screw 42.
  • the insert 4 is in the angular position illustrated on the figure 6 it is the longitudinal intermediate face 23 that is closest to the distal surface 33 of the screw 42.
  • the distal surface 33 will first meet the longitudinal intermediate face 23, by its second longitudinal portion 36.
  • the insert 4 When continuing the tightening of the screw 42 it leads to the insert 4 to pivot about the axial direction in the direction where the first longitudinal intermediate face 22 approaches the When the first longitudinal intermediate face 22, and more precisely its first longitudinal portion 35, comes into contact with the distal surface 33, the movement can no longer continue, the screw 42 is at the end of the stroke and the insert 4 is maintained in the centered angular position.
  • the insert 4 In the case where in the state ready to receive the cable end portion, the insert 4 is in an angular position where it is the longitudinal intermediate face 22 which is closest to the distal surface 33 of the screw 42, the same centric angular position of the insert 4 is reached when the screw 42 is at the end of the stroke: during screwing, the distal surface 33 first meets the longitudinal intermediate face 22 by its first longitudinal portion 35, when continued tightening of the screw 42 causes the insert 4 to pivot about the axial direction in the direction where the second longitudinal intermediate face 23 is close to the distal surface 33, and when the second longitudinal intermediate face 23 , and more precisely its second longitudinal portion 36, comes into contact with the distal surface 33, the movement can not continue, the screw 42 is at the end of the race.
  • the stepped arrangement of the first longitudinal intermediate face 22 and the stepped arrangement of the second longitudinal intermediate face 23 are chosen so that, in the centered angular position, the distal surface 33 of the screw 43 is equidistant from the first longitudinal portion 35 of the first longitudinal intermediate face 22 and the second longitudinal portion 36 of the second longitudinal intermediate face 23.
  • connection device 1 It is then in the state of end of the connection device 1 illustrated on the figure 9 .
  • the driving depth of the screw 42 or the screw 43 is the length of the portion of its threaded rod 30 which projects into the housing 17 from the inner surface 16 of the tubular portion 11; that is to say the total length of the screw, minus the thickness of the wall of the tubular portion 11, minus the length between the outer surface of the tubular portion 11 and the upper surface of the head 31.
  • the screw that abuts after the other screw has already been abutted is in contact with only one of the longitudinal intermediate faces 22 and 23.
  • the angular position of the insert in the end state of the connection device 1 is not the same if the screw 42 is tightened first or screw 43 first.
  • the depth of insertion of the first clamping screw 42 to the end of stroke and the depth of insertion of the second clamping screw 43 to the end of stroke are slightly different.
  • the depths of penetration in view of the effect sought (to prevent the insert prematurely blocking the progression of a screw), it is advantageous for the depths of penetration to be less than 20% of the smallest depth of penetration, or even of less than 10 %.
  • the end position of the screw 42 would be the one illustrated on the figure 8 but the screw 43 could not then be screwed, it would already be at the end of the stroke with its distal surface 33 in contact with the insert. This premature blocking of the progression of the screw 43 prevents it clamping the terminal section of cable.
  • the stepped profile of the longitudinal intermediate faces 22 and 23 has a configuration such that in the end-of-travel state ( figure 9 ) the depth of insertion of the screw tightened first (for example the screw 42) and the depth of insertion of the screw tightened the second (for example the screw 43) are closer to each other than if the first and second longitudinal intermediate faces 22 and 23 had a flat profile.
  • the cable end portion is obviously inserted into the portion of the housing 17 not occupied by the insert 4 before the screws 42 and 43 are tightened.
  • the screws 42 and 43 are in principle maneuvered in turn each time being rotated a similar angular amount, to maintain a balance between their progressions.
  • the driving depths of the screws 42 and 43 are not necessarily balanced.
  • the terminal section can bloom less under the screw 43 that under the screw 42, because the side of the screw 43 the insulating sheath of the cable has an effect of limiting the development of the cable.
  • connection device 1 is particularly simple and convenient to use, since no angular centering of the insert 4 is to be made before tightening the screws 42 and 43: in the case where the distal surface 33 of one of the screws 42 and 43 meets the longitudinal intermediate face 22 or 23, the insert 4 will be automatically driven to pivot to a centered position.
  • connection device is different from a connection sleeve between two cables, for example a connecting lug similar to the connection sleeve illustrated in FIGS. Figures 1 to 4 , 8 and 9 except that one of the tubular portions is replaced by a contact pad.

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

Le dispositif comporte une portion tubulaire (11) présentant un logement (17) pour ledit tronçon terminal ; un insert (4) en forme de gouttière, configuré pour être disposé dans le logement ; et des vis de serrage décalées axialement et angulairement. Chacune des faces intermédiaires longitudinales (22, 23) de l'insert est à profil étagé.The device comprises a tubular portion (11) having a housing (17) for said terminal section; a gutter-shaped insert (4) configured to be disposed in the housing; and clamping screws axially and angularly offset. Each longitudinal intermediate faces (22, 23) of the insert is stepped profile.

Description

L'invention a trait aux dispositifs de connexion pour un tronçon terminal de câble électrique.The invention relates to connection devices for a terminal section of electric cable.

On connaît déjà, notamment par la norme française C 33-090-1 de décembre 1995, de tels dispositifs de connexion à sertir, sous forme de cosses d'extrémité de câble, d'embouts d'extrémité de câble ou de raccords de jonction entre deux câbles. Ces dispositifs présentent une portion tubulaire dont la surface interne délimite un logement configuré pour recevoir le tronçon terminal de câble, la portion tubulaire étant ensuite sertie sur ce tronçon terminal. Pour pouvoir utiliser des câbles de section trop petite pour que le sertissage s'opère correctement, il est prévu de placer un insert tubulaire dans le logement et de placer le tronçon terminal de câble dans l'insert.It is already known, particularly by the French standard C 33-090-1 of December 1995, such crimping connection devices in the form of cable end lugs, cable end caps or junction connectors. between two cables. These devices have a tubular portion whose inner surface defines a housing configured to receive the cable end portion, the tubular portion is then crimped on this terminal section. In order to be able to use cables with a section that is too small for crimping to work properly, it is planned to place a tubular insert in the housing and to place the end portion of cable in the insert.

On connaît également, notamment par la demande internationale WO 2001/091239 , une cosse d'extrémité de câble à vis de serrage comportant un insert pour les mêmes raisons, c'est-à-dire pour pouvoir utiliser des câbles de section trop petite pour que le vissage s'opère correctement. Les vis de serrage sont décalées axialement et angulairement. Pour que l'insert puisse rester correctement orienté, c'est-à-dire avec sa face interne (il est en forme de gouttière) tournée vers les vis, des saillies sont prévues sur l'insert et des logements correspondants sont prévus dans la portion tubulaire de sorte qu'il garde son orientation angulaire.It is also known, in particular by the international application WO 2001/091239 , a clamping cable end terminal having an insert for the same reasons, that is to say to use cables of too small section for the screwing is done properly. The clamping screws are offset axially and angularly. So that the insert can remain properly oriented, that is to say with its inner face (it is gutter-shaped) facing the screws, projections are provided on the insert and corresponding housings are provided in the tubular portion so that it keeps its angular orientation.

L'invention vise à fournir un dispositif de connexion semblable mais plus simple et plus commode.The invention aims to provide a connection device similar but simpler and more convenient.

L'invention propose à cet effet un dispositif de connexion pour un tronçon terminal de câble électrique, comportant :

  • un élément conducteur présentant une portion tubulaire orientée suivant une direction axiale avec un premier taraudage et un deuxième taraudage chacun traversant et orienté suivant une direction radiale, le premier taraudage et le deuxième taraudage étant disposés avec un écart axial et avec un écart angulaire, la portion tubulaire présentant une surface interne délimitant un logement configuré pour recevoir ledit tronçon terminal lorsqu'il a une section comprise dans une première plage prédéterminée ;
  • un insert en forme de gouttière, comportant une face externe et une face interne, configuré pour être disposé dans le logement délimité par la portion tubulaire avec la face externe au contact de la surface interne de la portion tubulaire, la partie du logement non occupée par l'insert étant configurée pour recevoir ledit tronçon terminal lorsqu'il a une section comprise dans une deuxième plage prédéterminée ; et
  • une première vis de serrage et une deuxième vis de serrage engagées respectivement dans le premier taraudage et dans le deuxième taraudage, chacune configurée : pour enserrer entre sa surface distale et la surface interne de la portion tubulaire ledit tronçon terminal à section comprise dans la première plage prédéterminée reçu dans ledit logement, et pour enserrer entre sa surface distale et la face interne de l'insert ledit tronçon terminal à section comprise dans une deuxième plage prédéterminée reçu dans la partie du logement non occupée par l'insert ;
ledit dispositif étant caractérisé en ce que :
  • chacune des première et seconde faces intermédiaires longitudinales que comporte ledit insert entre sa face interne et sa face externe, respectivement d'un premier côté et d'un second côté opposé au premier côté, est à profil étagé ;
  • dans un état du dispositif prêt à recevoir ledit tronçon terminal à section comprise dans une deuxième plage prédéterminée, où ledit insert est reçu dans le logement avec la surface distale de la première vis de serrage qui est à l'écart de chacune des première et seconde faces intermédiaires longitudinales et avec la surface distale de la deuxième vis de serrage qui est à l'écart de chacune des première et seconde faces intermédiaires longitudinales, ledit insert est libre de pivoter autour de la direction axiale ;
  • dans un état de fin de course du dispositif atteint à partir dudit état prêt à recevoir en serrant jusqu'en fin de course d'abord la première vis de serrage puis en serrant jusqu'en fin de course la seconde vis de serrage, la surface distale de la première vis de serrage est au contact de la première face intermédiaire longitudinale et de la seconde face intermédiaire longitudinale de l'insert tandis que la surface distale de la deuxième vis de serrage est au contact d'au moins l'une des première et seconde faces intermédiaires longitudinales ; et
  • ledit profil étagé est configuré pour que la profondeur d'enfoncement de la première vis de serrage et la profondeur d'enfoncement de la deuxième vis de serrage dans ledit état de fin de course soient plus proches l'une de l'autre que si les première et seconde faces intermédiaires longitudinales avaient un profil plat.
The invention proposes for this purpose a connection device for a terminal section of electric cable, comprising:
  • a conductive element having a tubular portion oriented in an axial direction with a first tapping and a second tapping each traversing and oriented in a radial direction, the first tapping and the second tapping being disposed with an axial distance and with an angular difference, the portion tubular having an inner surface defining a housing configured to receive said terminal section when it has a section within a first predetermined range;
  • a gutter-shaped insert, having an outer face and an inner face, configured to be disposed in the housing delimited by the tubular portion with the outer face in contact with the inner surface of the tubular portion, the portion of the housing not occupied by the insert being configured to receive said terminal section when it has a section within a second predetermined range; and
  • a first clamping screw and a second clamping screw engaged respectively in the first thread and in the second thread, each configured: to enclose between said distal surface and the inner surface of the tubular portion said terminal section section included in the first range; predetermined position received in said housing, and to clamp between its distal surface and the inner face of the insert said terminal section section within a second predetermined range received in the part of the housing not occupied by the insert;
said device being characterized in that:
  • each of the first and second intermediate longitudinal faces that comprises said insert between its inner face and its outer face, respectively of a first side and a second side opposite the first side, is stepped profile;
  • in a state of the device ready to receive said section terminal section within a second predetermined range, wherein said insert is received in the housing with the distal surface of the first clamping screw which is away from each of the first and second longitudinal intermediate faces and with the distal surface of the second clamping screw which is spaced apart from each of the first and second longitudinal intermediate faces, said insert is free to pivot about the axial direction;
  • in an end-of-travel state of the device reached from said ready-to-receive state by tightening the first clamping screw first and then tightening the second clamping screw to the end of the stroke, the surface distal of the first clamping screw is in contact with the first longitudinal intermediate face and the second longitudinal intermediate face of the insert while the distal surface of the second clamping screw is at the contact of at least one of the first and second longitudinal intermediate faces; and
  • said stepped profile is configured so that the driving depth of the first clamping screw and the driving depth of the second clamping screw in said end-of-travel state are closer to each other than if the first and second longitudinal intermediate faces had a flat profile.

On notera que les caractéristiques qui viennent d'être exposées se réfèrent à des interactions entre l'insert et les vis de serrage en l'absence de tronçon terminal de câble, mais que bien entendu le dispositif de connexion selon l'invention est prévu pour être utilisé avec un tronçon terminal de câble.It will be noted that the characteristics which have just been described refer to interactions between the insert and the clamping screws in the absence of a terminal section of cable, but that, of course, the connection device according to the invention is provided for be used with a terminal cable section.

L'invention est en effet basée sur l'observation que si les caractéristiques qui viennent d'être exposées sont présentes, alors les interactions entre les vis de serrage, le tronçon terminal de câble et l'insert lors de l'immobilisation du tronçon terminal de câble dans le dispositif conduiront à un agencement final offrant un excellent serrage du tronçon terminal de câble et donc une excellente qualité de contact électrique, en particulier parce qu'on évite que l'insert bloque prématurément la progression d'une vis.The invention is indeed based on the observation that if the characteristics which have just been exposed are present, then the interactions between the clamping screws, the cable end section and the insert during the immobilization of the terminal section in the device will lead to a final arrangement offering an excellent tightening of the cable end section and therefore an excellent quality of electrical contact, in particular because it prevents the insert prematurely blocks the progression of a screw.

Le fait que cela puisse être obtenu sans avoir à immobiliser angulairement l'insert (au contraire, il est libre de pivoter autour de la direction axiale) rend le dispositif selon l'invention particulièrement simple et commode à fabriquer et à utiliser.The fact that this can be achieved without having to angularly immobilize the insert (on the contrary, it is free to pivot about the axial direction) makes the device according to the invention particularly simple and convenient to manufacture and use.

En particulier, aucune opération d'indexation précise de l'insert n'est à effectuer, ce qui permet une mise en place de l'insert particulièrement aisée et d'ailleurs aussi son enlèvement puisqu'il n'y a aucune saillie de l'insert à engager dans un logement de l'élément conducteur ou à l'en dégager.In particular, no precise indexing operation of the insert is to be performed, which allows a placement of the insert particularly easy and also also its removal since there is no protrusion of the insert to engage in a housing of the conductive element or to release it.

Selon des caractéristiques avantageuses du dispositif de connexion selon l'invention :

  • dans l'état de fin de course la surface distale de la deuxième vis de serrage est au contact à la fois de la première face intermédiaire longitudinale et de la seconde face intermédiaire longitudinale ;
  • la première face intermédiaire longitudinale et la seconde face intermédiaire longitudinale de l'insert présentent chacune une première portion longitudinale en retrait par rapport à une seconde portion longitudinale, la première portion longitudinale de la première face intermédiaire longitudinale est au droit de la seconde portion longitudinale de la seconde face intermédiaire longitudinale tandis que la seconde portion longitudinale de la première face intermédiaire longitudinale est au droit de la première portion longitudinale de la seconde face intermédiaire longitudinale ;
  • la première face intermédiaire longitudinale et la seconde face intermédiaire longitudinale de l'insert présentent chacune un épaulement à la jonction entre la première portion longitudinale et la seconde portion longitudinale, lesdits épaulements étant au droit l'un de l'autre ;
  • l'insert s'étend longitudinalement entre une première face intermédiaire d'extrémité et une deuxième face intermédiaire d'extrémité opposée à la première face intermédiaire d'extrémité, et l'insert présente un profil, lorsqu'il est observé avec sa première face intermédiaire d'extrémité tournée vers un premier côté, sa deuxième face intermédiaire d'extrémité tournée vers un deuxième côté opposé au premier côté, sa face interne tournée vers le haut et sa face externe tournée vers le bas, qui est similaire au profil qu'il présente lorsqu'il est observé avec sa deuxième face intermédiaire d'extrémité tournée vers le premier côté, sa première face intermédiaire d'extrémité tournée vers le deuxième côté, sa face externe tournée vers le haut et sa face interne tournée vers le bas ;
  • la face interne de l'insert est excentrée par rapport à la face interne de la portion tubulaire vers lesdits taraudages dans ledit état de fin de course) ;
  • la face externe de l'insert présente en outre une pluralité de portions de surface rentrantes s'étendant longitudinalement de sorte que l'insert présente un profil transversal pétaloïde ;
  • l'insert présente une première portion sectorielle angulairement comprise entre la première portion longitudinale et la seconde portion longitudinale de la première face intermédiaire longitudinale, une deuxième portion sectorielle angulairement comprise entre la première portion longitudinale et la seconde portion longitudinale de la seconde face intermédiaire longitudinale, et une troisième portion sectorielle angulairement comprise entre la première portion longitudinale de la première face intermédiaire longitudinale et la première portion longitudinale de la seconde face intermédiaire longitudinale ; avec, à la jonction entre la première portion sectorielle et la troisième portion sectorielle une portion de surface rentrante de la première portion sectorielle et une portion de surface rentrante de la troisième portion sectorielle qui forment une première rainure longitudinale, à la jonction entre la deuxième portion sectorielle et la troisième portion sectorielle une portion de surface rentrante de la deuxième portion sectorielle et une portion de surface rentrante de la troisième portion sectorielle qui forment une deuxième rainure longitudinale, et avec, dans la troisième portion sectorielle deux portions de surface rentrantes qui forment une troisième rainure longitudinale à mi-distance entre la première rainure longitudinale et la deuxième rainure longitudinale ;
  • la portion tubulaire comporte une paroi de fond délimitant ledit logement et une ouverture d'introduction dudit tronçon terminal par laquelle ledit logement débouche à l'opposé de ladite paroi de fond, ledit insert s'étendant, lorsqu'il est reçu dans le logement de ladite portion tubulaire, depuis la paroi de fond jusqu'à l'ouverture ;
  • la surface interne de la portion tubulaire présente une pluralité de nervures annulaires ;
  • les vis de serrage présentent une tige filetée, une tête et une portion fusible reliant la tige filetée à la tête, la portion fusible étant configurée pour rompre automatiquement lorsqu'un couple prédéterminé de serrage est atteint ; et/ou
  • le dispositif comporte un manchon de raccordement auquel appartient la portion tubulaire, dite première portion tubulaire, le manchon comportant une seconde portion tubulaire, similaire à la première portion tubulaire, la première portion tubulaire et la seconde portion tubulaire étant reliées par une portion de jonction, chacune des première et seconde portions tubulaires présentant à une extrémité opposée à la portion de jonction une ouverture d'introduction d'un tronçon terminal de câble dans le logement.
According to advantageous characteristics of the connection device according to the invention:
  • in the end-of-travel state, the distal surface of the second clamping screw is in contact with both the first longitudinal intermediate face and the second longitudinal intermediate face;
  • the first longitudinal intermediate face and the second longitudinal intermediate face of the insert each have a first longitudinal portion recessed with respect to a second longitudinal portion, the first longitudinal portion of the first longitudinal intermediate face is at the right of the second longitudinal portion of the second longitudinal intermediate face while the second longitudinal portion of the first longitudinal intermediate face is at the right of the first longitudinal portion of the second longitudinal intermediate face;
  • the first longitudinal intermediate face and the second longitudinal intermediate face of the insert each have a shoulder at the junction between the first longitudinal portion and the second longitudinal portion, said shoulders being in line with each other;
  • the insert extends longitudinally between a first end intermediate face and a second end intermediate face opposite to the first end intermediate face, and the insert has a profile when it is observed with its first face. end intermediate turned towards a first side, its second end intermediate face facing a second side opposite to the first side, its inner face facing upwards and its outer face facing down, which is similar to the profile that it has when it is observed with its second end intermediate face facing the first side, its first end intermediate face facing the second side, its outer face facing upwards and its inner face facing downwards;
  • the inner face of the insert is eccentric with respect to the inner face of the tubular portion to said threads in said end-of-stroke state);
  • the outer face of the insert further has a plurality of reentrant surface portions extending longitudinally so that the insert has a petaloid transverse profile;
  • the insert has a first sector portion angularly between the first longitudinal portion and the second longitudinal portion of the first longitudinal intermediate face, a second sector portion angularly between the first longitudinal portion and the second longitudinal portion of the second longitudinal intermediate face, and a third sector portion angularly between the first longitudinal portion of the first longitudinal intermediate face and the first longitudinal portion of the second longitudinal intermediate face. ; with, at the junction between the first sectoral portion and the third sector portion, a portion of the re-entrant area of the first sectoral portion and a portion of the reentrant area of the third sectorial portion forming a first longitudinal groove, at the junction between the second portion sectoral sector and a third sector portion a re-entrant portion of the second sector portion and a reentrant surface portion of the third sector portion that form a second longitudinal groove, and with, in the third sector portion two reentrant surface portions that form a third longitudinal groove midway between the first longitudinal groove and the second longitudinal groove;
  • the tubular portion comprises a bottom wall defining said housing and an opening for introducing said end section through which said housing opens opposite said bottom wall, said insert extending, when received in the housing of said tubular portion, from the bottom wall to the opening;
  • the inner surface of the tubular portion has a plurality of annular ribs;
  • the clamping screws have a threaded rod, a head and a fusible portion connecting the threaded rod to the head, the fuse portion being configured to break automatically when a predetermined torque is reached; and or
  • the device comprises a connecting sleeve to which belongs the tubular portion, said first tubular portion, the sleeve having a second tubular portion, similar to the first tubular portion, the first tubular portion and the second tubular portion being connected by a connecting portion, each of the first and second portions tubular having at an end opposite the junction portion an opening for introducing a cable end section into the housing.

L'exposé de l'invention sera maintenant poursuivi par la description détaillée d'exemples de réalisation, donnée ci-après à titre illustratif et non limitatif, en référence aux dessins annexés. Sur ceux-ci :

  • la figure 1 est une vue éclatée en élévation d'un noeud de câbles comportant deux câbles de diamètres différents et un dispositif de connexion selon l'invention pour raccorder ces câbles l'un à l'autre ;
  • la figure 2 est une vue semblable à la figure 1 mais en plan et avec le noeud de câbles assemblé sauf qu'il reste à serrer les vis du dispositif de connexion jusqu'à la rupture de la portion fusible ;
  • la figure 3 est une vue en perspective du seul dispositif de connexion, deux des vis ayant été serrées par rapport à l'état du dispositif de connexion montré sur la figure 2 ;
  • la figure 4 est une vue en coupe du seul dispositif de connexion, prise comme repéré par IV-IV sur la figure 2 mais avec le dispositif de connexion dans l'état illustré sur la figure 3 ;
  • la figure 5 est une vue en perspective de l'insert que comporte le dispositif de connexion ;
  • la figure 6 est une vue en bout de l'insert, prise depuis le côté que l'on voit à gauche sur la figure 5 mais avec l'insert incliné dans le sens des aiguilles d'une montre ;
  • la figure 7 est une vue en plan de l'insert, prise depuis le côté que l'on voit en haut sur la figure 6 ;
  • la figure 8 est une vue en bout du dispositif de connexion, prise depuis le côté que l'on voit à gauche sur la figure 3 ou sur la figure 4 ; et
  • la figure 9 est une vue similaire à la figure 8 mais avec la vis qui n'avait pas encore été serrée qui est aussi en fin de course.
The description of the invention will now be continued by the detailed description of exemplary embodiments, given below by way of illustration and without limitation, with reference to the appended drawings. On these:
  • the figure 1 is an exploded elevational view of a cable node having two cables of different diameters and a connection device according to the invention for connecting these cables to one another;
  • the figure 2 is a view similar to the figure 1 but in plan and with the assembled cable node except that it remains to tighten the screws of the connecting device until the rupture of the fusible portion;
  • the figure 3 is a perspective view of the single connecting device, two of the screws having been tightened with respect to the state of the connection device shown in FIG. figure 2 ;
  • the figure 4 is a sectional view of the single connecting device, taken as indicated by IV-IV on the figure 2 but with the connection device in the state shown on the figure 3 ;
  • the figure 5 is a perspective view of the insert that comprises the connection device;
  • the figure 6 is an end view of the insert, taken from the side that we see on the left on the figure 5 but with the insert inclined in a clockwise direction;
  • the figure 7 is a plan view of the insert, taken from the side that is seen at the top on the figure 6 ;
  • the figure 8 is an end view of the connection device, taken from the side that we see on the left on the figure 3 or on the figure 4 ; and
  • the figure 9 is a view similar to the figure 8 but with the screw that had not yet been tightened, which is also at the end of the race.

Le noeud de câbles illustré sur les figures 1 et 2 comporte un dispositif de connexion 1, un câble électrique 3 et un câble électrique 5 de plus grosse section que le câble électrique 3.The cable node shown on the Figures 1 and 2 comprises a connection device 1, an electric cable 3 and an electric cable 5 of larger section than the electric cable 3.

Ainsi qu'on le voit sur la figure 1, la gaine isolante 7 du câble 3 a été enlevée sur un tronçon terminal 6 tandis que la gaine isolante 9 du câble 5 a été enlevée sur un tronçon terminal 8, de sorte que seule l'âme conductrice des câbles 3 et 5 est présente sur les tronçons terminaux 6 et 8.As we see on the figure 1 , the insulating sheath 7 of the cable 3 has been removed on a terminal section 6 while the insulating sheath 9 of the cable 5 has been removed on a terminal section 8, so that only the conductive core of the cables 3 and 5 is present on the terminal sections 6 and 8.

Le dispositif de connexion 1 comporte un manchon de raccordement 2 et un insert 4.The connection device 1 comprises a connection sleeve 2 and an insert 4.

Le manchon de raccordement 2 comporte un élément conducteur 10 en aluminium ou autre matière métallique bonne conductrice de l'électricité, pour recevoir les tronçons terminaux 6 et 8 des câbles électriques 3 et 5, ainsi que des vis de serrage 42 et 43 configurées pour serrer les tronçons terminaux 6 et 8 introduits dans l'élément conducteur 10.The connection sleeve 2 comprises a conductive element 10 made of aluminum or other metallic material which is good in conducting electricity, for receiving the terminal sections 6 and 8 of the electric cables 3 and 5, as well as clamping screws 42 and 43 configured to tighten. the terminal sections 6 and 8 introduced into the conductive element 10.

L'élément conducteur 10 présente une première portion tubulaire 11, une seconde portion tubulaire 12 semblable à la première portion tubulaire 11 et une portion de jonction 13 raccordant la première portion tubulaire 11 et la seconde portion tubulaire 12.The conductive element 10 has a first tubular portion 11, a second tubular portion 12 similar to the first tubular portion 11 and a junction portion 13 connecting the first tubular portion 11 and the second tubular portion 12.

Comme montré sur les figures 1 et 2, la première portion tubulaire 11 reçoit le tronçon terminal 6 du câble 3 avec l'insert 4, tandis que la seconde portion tubulaire 12 reçoit le tronçon terminal 8 du câble 5 seul, c'est-à-dire sans insert.As shown on Figures 1 and 2 , the first tubular portion 11 receives the terminal section 6 of the cable 3 with the insert 4, while the second tubular portion 12 receives the terminal section 8 of the cable 5 alone, that is to say without insert.

Les portions tubulaires 11 et 12 étant semblables, la description de la première portion tubulaire 11 qui suit vaut également pour la seconde portion tubulaire 12.The tubular portions 11 and 12 being similar, the description of the first tubular portion 11 which follows also applies to the second tubular portion 12.

La première portion tubulaire 11 est orientée suivant une direction axiale et présente un premier taraudage 14 ainsi qu'un deuxième taraudage 15 chacun traversant et orienté suivant une direction radiale.The first tubular portion 11 is oriented in an axial direction and has a first thread 14 and a second thread 15 each passing through and oriented in a radial direction.

Le premier taraudage 14 et le deuxième taraudage 15 sont disposés avec un écart axial et avec un écart angulaire.The first tapping 14 and the second tapping 15 are arranged with an axial gap and with an angular difference.

Le premier taraudage 14 est configuré pour coopérer avec la vis de serrage 42, tandis que le deuxième taraudage 15 est configuré pour coopérer avec la vis de serrage 43, afin de serrer un tronçon terminal de câble tel que 6 ou 8.The first tapping 14 is configured to cooperate with the clamping screw 42, while the second tapping 15 is configured to cooperate with the clamping screw 43, to clamp a cable end section such as 6 or 8.

La première portion tubulaire 11 présente une surface interne 16 délimitant un logement 17 configuré pour recevoir le tronçon terminal d'un câble lorsqu'il a une section relativement élevée, comme le tronçon terminal 8 du câble 5.The first tubular portion 11 has an inner surface 16 delimiting a housing 17 configured to receive the end portion of a cable when it has a relatively high section, such as the terminal section 8 of the cable 5.

Des nervures annulaires 18 sont ménagées sur la surface interne 16.Annular ribs 18 are provided on the inner surface 16.

La portion de jonction 13 forme une paroi de fond 19 pour le logement 17, lequel débouche à l'opposé de la paroi de fond 19 par une ouverture 21. Le tronçon terminal de câble est introduit dans le logement 17 par l'ouverture 21.The joining portion 13 forms a bottom wall 19 for the housing 17, which opens out opposite the bottom wall 19 through an opening 21. The cable end section is introduced into the housing 17 through the opening 21.

Le premier taraudage 14 est situé du côté de la portion de jonction 13, tandis que le deuxième taraudage 15 est situé du côté de l'ouverture 21.The first tapping 14 is located on the side of the junction portion 13, while the second tapping 15 is located on the side of the opening 21.

Les vis de serrage 42 et 43 sont identiques, de même que les taraudages 14 et 15.The clamping screws 42 and 43 are identical, as are the threads 14 and 15.

Les vis 42 et 43 comportent chacune une tige filetée 30, une tête 31 et une portion fusible 32 reliant la tige filetée 30 à la tête 31, la portion fusible 32 étant configurée pour rompre automatiquement lorsqu'un couple prédéterminé de serrage est atteint. Cela permet d'éviter d'endommager le tronçon terminal de câble par un serrage excessif.The screws 42 and 43 each comprise a threaded rod 30, a head 31 and a fuse portion 32 connecting the threaded rod 30 to the head 31, the fuse portion 32 being configured to break automatically when a predetermined torque is reached. This avoids damaging the terminal cable section by over-tightening.

La tige filetée 30 présente, du côté opposé à la tête 31, une surface distale 33 qui est droite.The threaded rod 30 has, on the opposite side to the head 31, a distal surface 33 which is straight.

Ici, le logement 17 est dimensionné pour accueillir un tronçon terminal de câble d'une section comprise dans une plage allant de 120 mm2 à 240 mm2.Here, the housing 17 is sized to accommodate a cable end section of a section in a range from 120 mm 2 to 240 mm 2 .

Lorsque le tronçon terminal est de plus petite section, comme le tronçon terminal 6 du câble 3, on place l'insert 4 dans le logement 17 et le tronçon terminal est reçu dans la portion du logement 17 non occupée par l'insert 4.When the terminal section is of smaller section, like the terminal section 6 of the cable 3, the insert 4 is placed in the housing 17 and the terminal section is received in the portion of the housing 17 not occupied by the insert 4.

Ici, la plage de plus petites sections des tronçons terminaux de câbles va de 50 mm2 à 95 mm2.Here, the range of smaller sections of the terminal cable sections ranges from 50 mm 2 to 95 mm 2 .

L'insert 4 sera maintenant décrit en référence aux figures 4 à 7.Insert 4 will now be described with reference to Figures 4 to 7 .

L'insert 4 est en forme de gouttière et présente une face externe 24, une face interne 25, une première face intermédiaire longitudinale 22 s'étendant entre la face externe 24 et la face interne 25, et une seconde face intermédiaire longitudinale 23, s'étendant entre la face externe 24 et la face interne 25.The insert 4 is gutter-shaped and has an outer face 24, an inner face 25, a first longitudinal intermediate face 22 extending between the outer face 24 and the inner face 25, and a second longitudinal intermediate face 23, extending between the outer face 24 and the inner face 25.

La première face intermédiaire longitudinale 22 est située d'un premier côté de l'insert 4 et la seconde face intermédiaire longitudinale 23 est située d'un second côté de l'insert 4 opposé au premier côté.The first longitudinal intermediate face 22 is located on a first side of the insert 4 and the second longitudinal intermediate face 23 is located on a second side of the insert 4 opposite to the first side.

La face externe 24 et la face interne 25 sont chacune incurvée. La face externe 24 présente un profil globalement convexe tandis que la face interne 25 présente un profil globalement concave.The outer face 24 and the inner face 25 are each curved. The outer face 24 has a generally convex profile while the inner face 25 has a generally concave profile.

L'insert 4 est configuré pour être disposé dans le logement 17 délimité par la portion tubulaire 11 avec la face externe 24 au contact de la surface interne 16 de la portion tubulaire 11.The insert 4 is configured to be disposed in the housing 17 delimited by the tubular portion 11 with the outer face 24 in contact with the inner surface 16 of the tubular portion 11.

Comme on le voit sur la figure 9, la direction générale 47 de la face interne 25 de l'insert 4 et la direction générale 48 de la surface interne 16 de la portion tubulaire 11 ne coïncident pas.As we see on the figure 9 , the general direction 47 of the inner face 25 of the insert 4 and the general direction 48 of the inner surface 16 of the tubular portion 11 do not coincide.

En d'autres termes, la face interne 25 de l'insert 4 et la surface interne 16 de la portion tubulaire 11 sont excentrées.In other words, the inner face 25 of the insert 4 and the inner surface 16 of the tubular portion 11 are eccentric.

Dans la position illustrée sur la figure 9, la face interne 25 de l'insert 4 est excentrée par rapport à la surface interne 16 de la portion tubulaire 11 vers les taraudages 14 et 15.In the position illustrated on the figure 9 , the inner face 25 of the insert 4 is eccentric relative to the inner surface 16 of the tubular portion 11 to the threads 14 and 15.

Cela permet de serrer des câbles de plus petite section que si la face interne 25 de l'insert 4 et la face interne 16 de la portion tubulaire 11 étaient concentriques, étant donné que la face interne 25 de l'insert 4 serait alors plus éloignée de la surface distale 33 des vis 42 et 43.This makes it possible to tighten cables of smaller section than if the inner face 25 of the insert 4 and the inner face 16 of the tubular portion 11 were concentric, since the inner face 25 of the insert 4 would then be further away. of the distal surface 33 of the screws 42 and 43.

Ici, l'insert 4 a une longueur telle qu'il s'étend depuis la paroi de fond 19 jusqu'à l'ouverture 21 lorsqu'il est reçu dans le logement 17 de la portion tubulaire 11, comme cela est bien visible sur la figure 4.Here, the insert 4 has a length such that it extends from the bottom wall 19 to the opening 21 when it is received in the housing 17 of the tubular portion 11, as is clearly visible on the figure 4 .

L'insert 4 s'étend longitudinalement entre une première face intermédiaire d'extrémité 39 et une deuxième face intermédiaire d'extrémité 40 opposée à la première face intermédiaire d'extrémité 39.The insert 4 extends longitudinally between a first end intermediate face 39 and a second end intermediate face 40 opposite to the first end intermediate face 39.

La première face intermédiaire longitudinale 22 et la seconde face intermédiaire longitudinale 23 présentent chacune un profil étagé.The first longitudinal intermediate face 22 and the second longitudinal intermediate face 23 each have a stepped profile.

Plus précisément, la première face intermédiaire longitudinale 22 et la seconde face intermédiaire longitudinale 23 de l'insert 4 présentent chacune une première portion longitudinale 35 en retrait par rapport à une seconde portion longitudinale 36.More precisely, the first longitudinal intermediate face 22 and the second longitudinal intermediate face 23 of the insert 4 each have a first longitudinal portion 35 set back with respect to a second longitudinal portion 36.

La première portion longitudinale 35 de la première face intermédiaire longitudinale 22 est au droit de la seconde portion longitudinale 36 de la seconde face intermédiaire longitudinale 23 tandis que la seconde portion longitudinale 36 de la première face intermédiaire longitudinale 22 est au droit de la première portion longitudinale 35 de la seconde face intermédiaire longitudinale 23.The first longitudinal portion 35 of the first longitudinal intermediate face 22 is at the right of the second longitudinal portion 36 of the second longitudinal intermediate face 23 while the second longitudinal portion 36 of the first longitudinal intermediate face 22 is at the right of the first longitudinal portion. 35 of the second longitudinal intermediate face 23.

La première portion longitudinale 35 de la première face intermédiaire longitudinale 22 et la seconde portion longitudinale 36 de la seconde face intermédiaire longitudinale 23 sont prévues pour être en regard de la première vis de serrage 42, engagée dans le premier taraudage 14 ; tandis que la seconde portion longitudinale 36 de la première face intermédiaire longitudinale 22 et la première portion longitudinale 35 de la seconde face intermédiaire longitudinale 23 sont prévues pour être en regard de la deuxième vis de serrage 43, engagée dans le deuxième taraudage 15.The first longitudinal portion 35 of the first longitudinal intermediate face 22 and the second longitudinal portion 36 of the second longitudinal intermediate face 23 are provided to face the first clamping screw 42, engaged in the first internal thread 14; while the second longitudinal portion 36 of the first longitudinal intermediate face 22 and the first longitudinal portion 35 of the second longitudinal intermediate face 23 are intended to face the second clamping screw 43 engaged in the second tapping 15.

Chaque première portion longitudinale 35 est de même longueur que la seconde portion longitudinale 36 dont elle est au droit.Each first longitudinal portion 35 is of the same length as the second longitudinal portion 36 of which it is right.

Autrement dit, la première portion longitudinale 35 de la première face intermédiaire longitudinale 22 et la seconde portion longitudinale 36 de la seconde face intermédiaire longitudinale 23 ont la même longueur, et la seconde portion longitudinale 36 de la première face intermédiaire longitudinale 22 et la première portion longitudinale 35 de la seconde face intermédiaire longitudinale 23 ont la même longueur.In other words, the first longitudinal portion 35 of the first longitudinal intermediate face 22 and the second longitudinal portion 36 of the second longitudinal intermediate face 23 have the same length, and the second longitudinal portion 36 of the first longitudinal intermediate face 22 and the first portion. longitudinal 35 of the second longitudinal intermediate face 23 have the same length.

Les première et seconde faces intermédiaires longitudinales 22 et 23 de l'insert 4 présentent chacune un épaulement 37 à la jonction entre la première portion longitudinale 35 et la seconde portion longitudinale 36.The first and second longitudinal intermediate faces 22 and 23 of the insert 4 each have a shoulder 37 at the junction between the first longitudinal portion 35 and the second longitudinal portion 36.

L'épaulement 37 de la première face intermédiaire longitudinale 22 est au droit de l'épaulement 37 de la seconde face intermédiaire longitudinale 23.The shoulder 37 of the first longitudinal intermediate face 22 is at the right of the shoulder 37 of the second longitudinal intermediate face 23.

La surface de chaque épaulement 37 est droite.The surface of each shoulder 37 is straight.

Le retrait entre la première portion longitudinale 35 et la seconde portion longitudinale 36 est identique pour chaque face intermédiaire longitudinale 22 et 23.The shrinkage between the first longitudinal portion 35 and the second longitudinal portion 36 is identical for each longitudinal intermediate face 22 and 23.

La première face intermédiaire longitudinale 22 est plus étroite dans la portion 36 que dans la portion 35. De même, la seconde face intermédiaire longitudinale 23 est plus étroite dans la portion 36 que dans la portion 35.The first longitudinal intermediate face 22 is narrower in the portion 36 than in the portion 35. Similarly, the second longitudinal intermediate face 23 is narrower in the portion 36 than in the portion 35.

La face externe 24 de l'insert 4 présente en outre une pluralité de portions de surface rentrantes 38 s'étendant longitudinalement.The outer face 24 of the insert 4 further has a plurality of reentrant surface portions 38 extending longitudinally.

Dans une première portion sectorielle de l'insert 4 angulairement comprise entre la première portion longitudinale 35 et la seconde portion longitudinale 36 de la première face intermédiaire longitudinale 22, les portions rentrantes 38 s'étendent depuis la première face intermédiaire d'extrémité 39 jusqu'à l'épaulement 37 de la première face intermédiaire longitudinale 22.In a first sector portion of the insert 4 angularly between the first longitudinal portion 35 and the second longitudinal portion 36 of the first longitudinal intermediate face 22, the reentrant portions 38 extend from the first end intermediate face 39 at the shoulder 37 of the first longitudinal intermediate face 22.

Dans une deuxième portion sectorielle de l'insert 4 angulairement comprise entre la première portion longitudinale 35 et la seconde portion longitudinale 36 de la seconde face intermédiaire longitudinale 23, les portions rentrantes 38 s'étendent depuis la deuxième face intermédiaire d'extrémité 40 jusqu'à l'épaulement 37 de la seconde face intermédiaire longitudinale 23.In a second sector portion of the insert 4 angularly between the first longitudinal portion 35 and the second longitudinal portion 36 of the second longitudinal intermediate face 23, the reentrant portions 38 extend from the second end intermediate face 40 until at the shoulder 37 of the second longitudinal intermediate face 23.

Dans une troisième portion sectorielle de l'insert 4 angulairement comprise entre la première portion longitudinale 35 de la première face intermédiaire longitudinale 22 et la première portion longitudinale 35 de la seconde face intermédiaire longitudinale 23, les portions rentrantes 38 s'étendent depuis la première face intermédiaire d'extrémité 39 jusqu'à la deuxième face intermédiaire d'extrémité 40.In a third sectorial portion of the insert 4 angularly between the first longitudinal portion 35 of the first longitudinal intermediate face 22 and the first longitudinal portion 35 of the second longitudinal intermediate face 23, the reentrant portions 38 extend from the first face intermediate end 39 to the second end intermediate face 40.

A la jonction entre la première portion sectorielle et la troisième portion sectorielle, une portion rentrante 38 de la première portion sectorielle et une portion rentrante 38 de la troisième portion sectorielle forment une première rainure longitudinale 44.At the junction between the first sector portion and the third sector portion, a reentrant portion 38 of the first sector portion and a reentrant portion 38 of the third sector portion form a first longitudinal groove 44.

A la jonction entre la deuxième portion sectorielle et la troisième portion sectorielle, une portion rentrante 38 de la deuxième portion sectorielle et une portion rentrante 38 de la troisième portion sectorielle forment une deuxième rainure longitudinale 45.At the junction between the second sectoral portion and the third sectoral portion, a re-entrant portion 38 of the second sectoral portion and a reentrant portion 38 of the third sectorial portion form a second longitudinal groove 45.

Dans la troisième portion sectorielle, deux portions rentrantes 38 forment une troisième rainure longitudinale 46 à mi-distance entre la première rainure longitudinale 44 et la deuxième rainure longitudinale 45.In the third sectorial portion, two reentrant portions 38 form a third longitudinal groove 46 at mid-distance between the first longitudinal groove 44 and the second longitudinal groove 45.

L'insert 4 présente ainsi un profil transversal pétaloïde, bien visible sur les figures 6, 8 et 9.The insert 4 thus has a petaloid transverse profile, clearly visible on the Figures 6, 8 and 9 .

De manière générale, l'insert 4 présente une certaine symétrie.In general, the insert 4 has a certain symmetry.

Plus précisément, l'insert 4 présente un profil, lorsqu'il est observé avec sa première face intermédiaire d'extrémité 39 tournée vers un premier côté, sa deuxième face intermédiaire d'extrémité 40 tournée vers un deuxième côté opposé au premier côté, sa face interne 25 tournée vers le haut et sa face externe 24 tournée vers le bas, qui est similaire au profil qu'il présente lorsqu'il est observé avec sa deuxième face intermédiaire d'extrémité 40 tournée vers le premier côté, sa première face intermédiaire d'extrémité 39 tournée vers le deuxième côté, sa face externe 24 tournée vers le haut et sa face interne 25 tournée vers le bas.More precisely, the insert 4 has a profile, when it is observed with its first end intermediate face 39 facing towards a first side, its second end intermediate face 40 facing towards a second side opposite to the first side, its inner face 25 facing upwards and its outer face 24 facing down, which is similar to the profile that it has when it is observed with its second end intermediate face 40 turned towards the first side, its first intermediate face end end 39 turned towards the second side, its outer face 24 facing upwards and its inner face 25 facing downwards.

Grâce à cette symétrie, l'insert 4 peut être introduit dans le logement 17 avec indifféremment sa première face intermédiaire d'extrémité 39 ou sa deuxième face intermédiaire d'extrémité 40 en premier.Thanks to this symmetry, the insert 4 can be introduced into the housing 17 with either its first intermediate end face 39 or its second end intermediate face 40 first.

On va maintenant décrire comment former le noeud de câbles illustré sur les figures 1 et 2, c'est-à-dire comment raccorder les câbles 3 et 5 avec le dispositif 1.We will now describe how to form the cable node illustrated on the Figures 1 and 2 , ie how to connect the cables 3 and 5 with the device 1.

Le manchon 2 (élément conducteur 10 et vis 42, 43) est initialement dans un état où les vis 42 et 43 sont en place dans les taraudages 14 et 15 avec chacune des vis 42 et 43 qui a sa surface distale 33 au niveau du débouché interne du taraudage dans lequel elle est engagée (voir sur la figure 8 la vis 43 qui est dans cette position).The sleeve 2 (conductive element 10 and screw 42, 43) is initially in a state where the screws 42 and 43 are in place in the threads 14 and 15 with each of the screws 42 and 43 which has its distal surface 33 at the outlet internal thread in which it is engaged (see figure 8 the screw 43 which is in this position).

L'insert 4 est positionné dans le logement 17 de la portion tubulaire 11 comme montré sur les dessins, c'est-à-dire avec sa face externe 24 qui est contre la surface interne 16 de la portion tubulaire 11 et avec sa face interne 25 qui est tournée vers les vis 42 et 43.The insert 4 is positioned in the housing 17 of the tubular portion 11 as shown in the drawings, that is to say with its outer face 24 which is against the inner surface 16 of the tubular portion 11 and with its inner face. 25 which is turned to the screws 42 and 43.

Vu la position qu'ont alors les vis 42 et 43, chaque surface distale 33 est à l'écart de la première face intermédiaire longitudinale 22 et de la seconde face intermédiaire longitudinale 23 de l'insert 4, qui est alors libre de pivoter autour de la direction axiale : l'insert 4 peut être dans la position angulairement centrée montrée sur les figures 3, 4, 8 et 9 ou dans une position inclinée par rapport à cette position centrée, par exemple la position montrée sur la figure 6.Given the position that then screws 42 and 43 have, each distal surface 33 is away from the first longitudinal intermediate face 22 and the second longitudinal intermediate face 23 of the insert 4, which is then free to pivot around of the axial direction: the insert 4 can be in the angularly centered position shown on the figures 3 , 4 , 8 and 9 or in a position inclined relative to this centered position, for example the position shown on the figure 6 .

Ce mouvement de pivotement est possible parce que la face externe 24 a une courbure générale semblable à celle de la surface interne 16 de la portion tubulaire 11, et qu'aucun obstacle ne s'oppose à ce mouvement de pivotement.This pivoting movement is possible because the outer face 24 has a general curvature similar to that of the inner surface 16 of the tubular portion 11, and no obstacle prevents this pivoting movement.

La face externe 24 de l'insert 4 repose sur les nervures annulaires 18 ménagées sur la surface interne 16 de la portion tubulaire 11.The outer face 24 of the insert 4 rests on the annular ribs 18 formed on the inner surface 16 of the tubular portion 11.

Les nervures annulaires 18 de la portion tubulaire 11, comme les portions de surface rentrantes 38 de l'insert 4, facilitent le mouvement de pivotement en offrant une faible surface de contact entre l'insert 4 et la portion tubulaire 11.The annular ribs 18 of the tubular portion 11, like the reentrant surface portions 38 of the insert 4, facilitate the pivoting movement by providing a small contact surface between the insert 4 and the tubular portion 11.

Le tronçon terminal 6 du câble 3 est introduit au travers de l'ouverture 21 dans le logement 17 de la portion tubulaire 11, et plus précisément dans la partie 34 de ce logement non occupée par l'insert 4 ; et le tronçon terminal 8 du câble 5 est introduit dans le logement de la portion tubulaire 12.The terminal section 6 of the cable 3 is introduced through the opening 21 in the housing 17 of the tubular portion 11, and more precisely in the portion 34 of this housing not occupied by the insert 4; and the terminal section 8 of the cable 5 is introduced into the housing of the tubular portion 12.

Pour chacune des portions tubulaires 11 et 12, on serre les vis 42 et 43 jusqu'à atteindre le couple de rupture. Les câbles 3 et 5 sont alors raccordés, c'est-à-dire que le noeud de câbles est formé.For each of the tubular portions 11 and 12, the screws 42 and 43 are tightened until the breaking torque is reached. Cables 3 and 5 are then connected, i.e. the cable node is formed.

Dans la portion tubulaire 11, le tronçon terminal 6 est enserré entre la surface distale 33 de la vis 42 et la face interne 25 de l'insert 4 et également entre la surface distale 33 de la vis 43 et la face interne 25 de l'insert 4.In the tubular portion 11, the end portion 6 is sandwiched between the distal surface 33 of the screw 42 and the inner face 25 of the insert 4 and also between the distal surface 33 of the screw 43 and the inner face 25 of the insert 4.

Dans la portion tubulaire 12, le tronçon terminal 8 est enserré entre la surface distale 33 de la vis 42 et la surface interne 16 de la portion tubulaire 12 et également entre la surface distale 33 de la vis 43 et la surface interne 16 de la portion tubulaire 12.In the tubular portion 12, the end portion 8 is sandwiched between the distal surface 33 of the screw 42 and the inner surface 16 of the tubular portion 12 and also between the distal surface 33 of the screw 43 and the inner surface 16 of the portion tubular 12.

Les nervures annulaires 18 sont favorables au maintien mécanique et au contact électrique avec les tronçons terminaux de câbles.The annular ribs 18 are favorable for mechanical holding and electrical contact with the terminal cable sections.

On notera qu'ici le dispositif 1 est prévu pour être utilisé dans un réseau de distribution de l'électricité aussi bien en basse tension qu'en moyenne tension, c'est-à-dire jusqu'à 50 000 volts.Note that here the device 1 is intended to be used in a distribution network of electricity both low voltage and medium voltage, that is to say up to 50,000 volts.

Le fait que les têtes 31 des vis 42 et 43 ne soient pas présentes dans le noeud de câbles, du fait de la rupture de la portion fusible 32, évite qu'il y ait d'importantes saillies au-delà de la surface externe de l'élément conducteur 10, ce qui est favorable aux performances électromagnétiques du noeud de câbles.The fact that the heads 31 of the screws 42 and 43 are not present in the cable node, because of the rupture of the fusible portion 32, prevents there being significant projections beyond the outer surface of the cable. the conductive element 10, which is favorable to the electromagnetic performance of the cable node.

La présence de l'insert 4 est également favorable à ces performances électromagnétiques, étant donné que l'insert 4 procure un certain centrage du tronçon terminal 6 du câble 3, et étant donné que les tiges 30 des vis 42 et 43 de la portion tubulaire 11 s'enfoncent dans le logement 17 d'une quantité proche de celle des vis 42 et 43 de la portion tubulaire 12, malgré le plus petit diamètre du tronçon terminal 6 du câble 3.The presence of the insert 4 is also favorable to these electromagnetic performances, since the insert 4 provides a certain centering of the terminal section 6 of the cable 3, and since the rods 30 of the screws 42 and 43 of the tubular portion 11 sink in the housing 17 by an amount close to that of the screws 42 and 43 of the tubular portion 12, despite the smaller diameter of the terminal section 6 of the cable 3.

L'agencement étagé des faces intermédiaires longitudinales 22 et 23 de l'insert 4 permet d'éviter que l'insert bloque prématurément la progression d'une des vis 42 et 43.The staggered arrangement of the longitudinal intermediate faces 22 and 23 of the insert 4 makes it possible to prevent the insert from prematurely blocking the progression of one of the screws 42 and 43.

Pour bien faire comprendre comment cela est évité automatiquement, on va maintenant décrire les interactions entre l'insert 4 et les vis 42 et 43 en l'absence de tronçon terminal de câble.To make it clear how this is avoided automatically, we will now describe the interactions between the insert 4 and the screws 42 and 43 in the absence of cable end section.

Il est bien entendu que cette description sert uniquement à bien faire comprendre l'invention, le dispositif de connexion 1 n'étant nullement prévu pour être utilisé en l'absence de câble à connecter.It is understood that this description serves only to make clear the invention, the connection device 1 is not intended to be used in the absence of cable to connect.

Ainsi que mentionné ci-dessus, le dispositif de connexion 1 admet un état prêt à recevoir un tronçon terminal de câble électrique où l'insert 4 est reçu dans le logement 17 avec la surface distale 33 de la première vis de serrage 42 qui est à l'écart de chacune des première et seconde faces intermédiaires longitudinales 22 et 23, et avec la surface distale 33 de la deuxième vis de serrage 43 qui est à l'écart de chacune des première et seconde faces intermédiaires longitudinales 22 et 23 ; et dans cet état l'insert 4 est libre de pivoter autour de la direction axiale selon laquelle est orientée la portion tubulaire 11.As mentioned above, the connection device 1 admits a state ready to receive a terminal section of electrical cable where the insert 4 is received in the housing 17 with the distal surface 33 of the first clamping screw 42 which is the spacing of each of the first and second longitudinal intermediate faces 22 and 23, and with the distal surface 33 of the second clamping screw 43 which is spaced apart from each of the first and second longitudinal intermediate faces 22 and 23; and in this state the insert 4 is free to pivot about the axial direction in which is oriented the tubular portion 11.

Si, à partir de cet état, l'on serre la vis 42 jusqu'en fin de course, l'on atteint l'état montré sur la figure 8, où la surface distale 33 de la vis 42 est au contact de la première face intermédiaire longitudinale 22 et de la seconde face intermédiaire longitudinale 23 de l'insert 4.If, from this state, the screw 42 is tightened to the end of the stroke, the state shown on the figure 8 , where the distal surface 33 of the screw 42 is in contact with the first longitudinal intermediate face 22 and the second longitudinal intermediate face 23 of the insert 4.

Du fait de ce contact sur ses deux faces opposées, l'insert 4 ne peut plus pivoter et reste donc dans la position angulaire atteinte.Due to this contact on its two opposite faces, the insert 4 can no longer pivot and therefore remains in the angular position reached.

L'agencement étagé de la face intermédiaire longitudinale 22 et de la face intermédiaire longitudinale 23 et l'orientation angulaire de la vis 42 sont tels que la position angulaire atteinte est la position angulaire centrée susmentionnée.The stepped arrangement of the longitudinal intermediate face 22 and the longitudinal intermediate face 23 and the angular orientation of the screw 42 are such that the angular position reached is the above-mentioned centered angular position.

Dans cette position centrée, l'écart angulaire entre l'insert 4 et la vis 42 est le même que l'écart angulaire entre l'insert 4 et la vis 43.In this centered position, the angular difference between the insert 4 and the screw 42 is the same as the angular difference between the insert 4 and the screw 43.

Il est précisé que l'écart angulaire entre l'insert 4 et la vis 42 s'apprécie entre le plan longitudinal médian 26 de l'insert 4 et la direction générale 27 de la vis 42 ; et de même l'écart angulaire entre l'insert 4 et la vis 43 s'apprécie entre le plan longitudinal médian 26 de l'insert 4 et la direction générale 28 de la vis 43.It is specified that the angular difference between the insert 4 and the screw 42 is determined between the median longitudinal plane 26 of the insert 4 and the general direction 27 of the screw 42; and likewise the angular difference between the insert 4 and the screw 43 is appreciated between the median longitudinal plane 26 of the insert 4 and the general direction 28 of the screw 43.

Ainsi que mentionné ci-dessus, dans l'état prêt à recevoir un tronçon terminal de câble électrique, l'insert 4 peut avoir une position angulaire quelconque. Les faces intermédiaires longitudinales 22 et 23 peuvent être à égale distance ou à des distances différentes de la surface distale 33 de la vis 42.As mentioned above, in the state ready to receive a terminal section of electric cable, the insert 4 may have any angular position. The longitudinal intermediate faces 22 and 23 may be at equal distances or at different distances from the distal surface 33 of the screw 42.

Par exemple, si l'insert 4 est dans la position angulaire illustrée sur la figure 6, c'est la face intermédiaire longitudinale 23 qui est la plus proche de la surface distale 33 de la vis 42.For example, if the insert 4 is in the angular position illustrated on the figure 6 it is the longitudinal intermediate face 23 that is closest to the distal surface 33 of the screw 42.

Par conséquent, dans cet exemple, lors du serrage de la vis 42 la surface distale 33 va d'abord rencontrer la face intermédiaire longitudinale 23, par sa seconde portion longitudinale 36. Lors de la poursuite du serrage de la vis 42 celle-ci entraine l'insert 4 à pivoter autour de la direction axiale dans le sens où la première face intermédiaire longitudinale 22 se rapproche de la surface distale 33. Lorsque la première face intermédiaire longitudinale 22, et plus précisément sa première portion longitudinale 35, vient au contact de la surface distale 33, le mouvement ne peut plus se poursuivre, la vis 42 est en fin de course et l'insert 4 est maintenu dans la position angulaire centrée.Therefore, in this example, during the tightening of the screw 42 the distal surface 33 will first meet the longitudinal intermediate face 23, by its second longitudinal portion 36. When continuing the tightening of the screw 42 it leads to the insert 4 to pivot about the axial direction in the direction where the first longitudinal intermediate face 22 approaches the When the first longitudinal intermediate face 22, and more precisely its first longitudinal portion 35, comes into contact with the distal surface 33, the movement can no longer continue, the screw 42 is at the end of the stroke and the insert 4 is maintained in the centered angular position.

Au cas où dans l'état prêt à recevoir le tronçon terminal de câble, l'insert 4 est dans une position angulaire où c'est la face intermédiaire longitudinale 22 qui est la plus proche de la surface distale 33 de la vis 42, l'on parvient à la même position angulaire centrée de l'insert 4 quand la vis 42 est en fin de course : au cours du vissage, la surface distale 33 rencontre d'abord la face intermédiaire longitudinale 22 par sa première portion longitudinale 35, lors de la poursuite du serrage de la vis 42 celle-ci entraine l'insert 4 à pivoter autour de la direction axiale dans le sens où la seconde face intermédiaire longitudinale 23 se rapproche de la surface distale 33, et lorsque la seconde face intermédiaire longitudinale 23, et plus précisément sa seconde portion longitudinale 36, vient au contact de la surface distale 33, le mouvement ne peut plus se poursuivre, la vis 42 est en fin de course.In the case where in the state ready to receive the cable end portion, the insert 4 is in an angular position where it is the longitudinal intermediate face 22 which is closest to the distal surface 33 of the screw 42, the same centric angular position of the insert 4 is reached when the screw 42 is at the end of the stroke: during screwing, the distal surface 33 first meets the longitudinal intermediate face 22 by its first longitudinal portion 35, when continued tightening of the screw 42 causes the insert 4 to pivot about the axial direction in the direction where the second longitudinal intermediate face 23 is close to the distal surface 33, and when the second longitudinal intermediate face 23 , and more precisely its second longitudinal portion 36, comes into contact with the distal surface 33, the movement can not continue, the screw 42 is at the end of the race.

Comme on le voit bien sur la figure 8, l'agencement étagé de la première face intermédiaire longitudinale 22 et l'agencement étagé de la seconde face intermédiaire longitudinale 23 sont choisis pour que, dans la position angulaire centrée, la surface distale 33 de la vis 43 est à égale distance de la première portion longitudinale 35 de la première face intermédiaire longitudinale 22 et de la seconde portion longitudinale 36 de la seconde face intermédiaire longitudinale 23.As can be seen from the figure 8 the stepped arrangement of the first longitudinal intermediate face 22 and the stepped arrangement of the second longitudinal intermediate face 23 are chosen so that, in the centered angular position, the distal surface 33 of the screw 43 is equidistant from the first longitudinal portion 35 of the first longitudinal intermediate face 22 and the second longitudinal portion 36 of the second longitudinal intermediate face 23.

Si l'on serre alors la vis 43, elle pourra progresser jusqu'à ce que sa surface distale 33 entre en contact avec la première face intermédiaire longitudinale 22 et la seconde face intermédiaire longitudinale 23 de l'insert 4, où elle sera en fin de course.If we then tighten the screw 43, it can progress until its distal surface 33 comes into contact with the first longitudinal intermediate face 22 and the second longitudinal intermediate face 23 of the insert 4, where it will be at the end. race.

L'on est alors dans l'état de fin de course du dispositif de connexion 1 illustré sur la figure 9.It is then in the state of end of the connection device 1 illustrated on the figure 9 .

On observera que dans cet état de fin de course, la profondeur d'enfoncement de la première vis de serrage 42 jusqu'en fin de course et la profondeur d'enfoncement de la deuxième vis de serrage 43 jusqu'en fin de course sont les mêmes.It will be observed that in this state of end of stroke, the depth of insertion of the first clamping screw 42 to the end of the stroke and the depth of depression of the second clamping screw 43 to the end of the race are the same.

Il est précisé que la profondeur d'enfoncement de la vis 42 ou de la vis 43 est la longueur de la portion de sa tige fileté 30 qui saille dans le logement 17 à partir de la surface interne 16 de la portion tubulaire 11 ; c'est-à-dire à la longueur totale de la vis, moins l'épaisseur de la paroi de la portion tubulaire 11, moins la longueur entre la surface externe de la portion tubulaire 11 et la surface supérieure de la tête 31.It is specified that the driving depth of the screw 42 or the screw 43 is the length of the portion of its threaded rod 30 which projects into the housing 17 from the inner surface 16 of the tubular portion 11; that is to say the total length of the screw, minus the thickness of the wall of the tubular portion 11, minus the length between the outer surface of the tubular portion 11 and the upper surface of the head 31.

On observera que l'on parviendrait au même état de fin de course si à partir de l'état du dispositif 1 prêt à recevoir le tronçon terminal de câble, l'on avait commencé par serrer jusqu'en fin de course la vis 43 puis qu'on avait serré la vis 42 jusqu'en fin de course.It will be observed that one would arrive at the same end-of-travel state if from the state of the device 1 ready to receive the cable end section, it had begun by tightening the screw 43 to the end of the stroke and then that we had tightened the screw 42 until the end of the race.

Dans des variantes non illustrées, la vis qui vient en butée après que l'autre vis a déjà été mise en butée est en contact avec une seule des faces intermédiaires longitudinales 22 et 23. Dans ces variantes, la position angulaire de l'insert dans l'état de fin de course du dispositif de connexion 1 n'est pas la même si l'on serre d'abord la vis 42 ou d'abord la vis 43.In non-illustrated variants, the screw that abuts after the other screw has already been abutted is in contact with only one of the longitudinal intermediate faces 22 and 23. In these variants, the angular position of the insert in the end state of the connection device 1 is not the same if the screw 42 is tightened first or screw 43 first.

Dans des variantes non illustrées, la profondeur d'enfoncement de la première vis de serrage 42 jusqu'en fin de course et la profondeur d'enfoncement de la deuxième vis de serrage 43 jusqu'en fin de course sont légèrement différentes.In variants not shown, the depth of insertion of the first clamping screw 42 to the end of stroke and the depth of insertion of the second clamping screw 43 to the end of stroke are slightly different.

On notera que vu l'effet recherché (éviter que l'insert bloque prématurément la progression d'une vis), il est avantageux que les profondeurs d'enfoncement différent de moins de 20 % de la plus petite profondeur d'enfoncement, voire de moins de 10 %.It should be noted that, in view of the effect sought (to prevent the insert prematurely blocking the progression of a screw), it is advantageous for the depths of penetration to be less than 20% of the smallest depth of penetration, or even of less than 10 %.

On observera que si les faces intermédiaires longitudinales 22 et 23 n'étaient pas étagées mais à profil plat, les profondeurs d'enfoncement des vis 42 et 43 jusqu'en fin de course pourraient être particulièrement éloignées l'une de l'autre.It will be observed that if the longitudinal intermediate faces 22 and 23 were not stepped but flat profile, the driving depths of the screws 42 and 43 to the end of the race could be particularly distant from each other.

Par exemple si la face intermédiaire longitudinale 22 était agencée sur toute sa longueur comme sa portion 35 et si la face intermédiaire 23 était agencée sur toute sa longueur comme la portion 36, la position de fin de course de la vis 42 serait celle illustrée sur la figure 8 mais la vis 43 ne pourrait alors pas être vissée, elle serait déjà en fin de course avec sa surface distale 33 au contact de l'insert. Ce blocage prématuré de la progression de la vis 43 empêcherait qu'elle serre le tronçon terminal de câble.For example if the longitudinal intermediate face 22 was arranged along its length as its portion 35 and if the intermediate face 23 was arranged along its entire length as the portion 36, the end position of the screw 42 would be the one illustrated on the figure 8 but the screw 43 could not then be screwed, it would already be at the end of the stroke with its distal surface 33 in contact with the insert. This premature blocking of the progression of the screw 43 prevents it clamping the terminal section of cable.

Ainsi, le profil étagé des faces intermédiaires longitudinales 22 et 23 a une configuration telle que dans l'état de fin de course (figure 9) la profondeur d'enfoncement de la vis serrée la première (par exemple la vis 42) et la profondeur d'enfoncement de la vis serrée la deuxième (par exemple la vis 43) sont plus proches l'une de l'autre que si les première et seconde faces intermédiaires longitudinales 22 et 23 avaient un profil plat.Thus, the stepped profile of the longitudinal intermediate faces 22 and 23 has a configuration such that in the end-of-travel state ( figure 9 ) the depth of insertion of the screw tightened first (for example the screw 42) and the depth of insertion of the screw tightened the second (for example the screw 43) are closer to each other than if the first and second longitudinal intermediate faces 22 and 23 had a flat profile.

Ainsi que précisé ci-dessus, la description qui vient d'être donnée de l'interaction entre l'insert 4 et les vis 42 et 43 en l'absence du tronçon terminal de câble sert uniquement à bien expliquer l'invention.As specified above, the description that has just been given of the interaction between the insert 4 and the screws 42 and 43 in the absence of the cable end section serves only to explain the invention.

En pratique, le tronçon terminal de câble est bien évidemment inséré dans la partie du logement 17 non occupée par l'insert 4 avant que les vis 42 et 43 soient serrées.In practice, the cable end portion is obviously inserted into the portion of the housing 17 not occupied by the insert 4 before the screws 42 and 43 are tightened.

Du fait de la présence du tronçon terminal de câble, les profondeurs d'enfoncement jusqu'en fin de course des vis 42 et 43 décrites ci-dessus ne sont normalement pas atteintes.Because of the presence of the cable end section, the depths of depression until the end of the screws 42 and 43 described above are not normally reached.

Les vis 42 et 43 sont en principe manoeuvrées à tour de rôle en étant à chaque fois tournées d'une quantité angulaire semblable, afin de conserver un équilibre entre leurs progressions.The screws 42 and 43 are in principle maneuvered in turn each time being rotated a similar angular amount, to maintain a balance between their progressions.

Si toutefois l'une des vis 42 et 43 étaient manoeuvrée seule jusqu'à atteindre le couple de rupture, elle ne pourrait pas s'enfoncer davantage que jusqu'en fin de course contre les faces intermédiaires longitudinales 22 et 23. L'autre vis pourrait alors être serrée à son tour, puisque, contrairement à ce qui se passerait si les faces intermédiaires longitudinales étaient planes, il ne résulterait pas de la venue en butée de l'une des vis que l'insert s'oppose à l'enfoncement de l'autre vis.If, however, one of the screws 42 and 43 were operated alone until reaching the breaking torque, it could not sink further until the end of stroke against the longitudinal intermediate faces 22 and 23. The other screw could then be tightened in turn, since, contrary to what would happen if the longitudinal intermediate faces were flat, it would not result from the abutment of one of the screws that the insert opposes the depression from the other screw.

On notera qu'en présence du tronçon terminal de câble, les profondeurs d'enfoncement des vis 42 et 43 ne sont pas nécessairement équilibrées. En particulier, pour un câble dont l'âme conductrice est assez souple, le tronçon terminal peut s'épanouir moins sous la vis 43 que sous la vis 42, du fait que du côté de la vis 43 la gaine isolante du câble a un effet de limitation de l'épanouissement du câble.Note that in the presence of the cable end section, the driving depths of the screws 42 and 43 are not necessarily balanced. In particular, for a cable whose conductive core is enough flexible, the terminal section can bloom less under the screw 43 that under the screw 42, because the side of the screw 43 the insulating sheath of the cable has an effect of limiting the development of the cable.

On observera par ailleurs que le dispositif de connexion 1 est particulièrement simple et commode à utiliser, puisqu'aucun centrage angulaire de l'insert 4 n'est à effectuer avant de serrer les vis 42 et 43 : au cas où la surface distale 33 de l'une des vis 42 et 43 rencontre la face intermédiaire longitudinale 22 ou 23, l'insert 4 va être automatiquement entraîné à pivoter vers une position centrée.It will also be observed that the connection device 1 is particularly simple and convenient to use, since no angular centering of the insert 4 is to be made before tightening the screws 42 and 43: in the case where the distal surface 33 of one of the screws 42 and 43 meets the longitudinal intermediate face 22 or 23, the insert 4 will be automatically driven to pivot to a centered position.

Dans des variantes non illustrées, le dispositif de connexion est différent d'un manchon de raccordement entre deux câbles, par exemple une cosse de raccordement semblable au manchon de raccordement illustré sur les figures 1 à 4, 8 et 9 sauf qu'une des portions tubulaires est remplacée par une plage de contact.In non-illustrated variants, the connection device is different from a connection sleeve between two cables, for example a connecting lug similar to the connection sleeve illustrated in FIGS. Figures 1 to 4 , 8 and 9 except that one of the tubular portions is replaced by a contact pad.

Dans des variantes non illustrées, l'agencement de l'insert tel que 4 et/ou de la portion tubulaire telle que 11 est différent, par exemple :

  • leurs dimensions sont telles que la plage de sections de tronçon terminal de câble utilisable sans l'insert 4 est différente de 120 à 240 mm2, par exemple de 150 à 240 mm2 ; et/ou la plage de sections de tronçon terminal de câble utilisable avec l'insert 4 est différente de 50 à 95 mm2, par exemple 50 à 120 mm2 ;
  • la portion tubulaire 11 comporte davantage que deux taraudages, par exemple quatre taraudages, avec le dispositif de raccordement qui est agencé pour chaque couple de deux taraudages voisins comme pour les deux taraudages de la portion tubulaire 11 ;
  • les parties de l'insert 4 situées de part et d'autre de son plan médian longitudinal ne sont pas l'image miroir l'une de l'autre, par exemple les épaulements 37 ne sont pas au droit l'un de l'autre ;
  • les parties de l'insert 4 situées de part et d'autre de son plan médian transversal ne sont pas l'image miroir l'une de l'autre, par exemple l'une des faces intermédiaire d'extrémité 39 et 40 est convexe ;
  • les faces intermédiaires longitudinales 22 et 23 ont un profil étagé différent, par exemple les épaulements 37 sont remplacés par des congés ;
  • la surface interne 16 est dépourvue de nervures annulaires 18 ;
  • l'insert 4 présente un profil transversal différent de pétaloïde, par exemple circulaire ou cannelé ; et/ou
  • la face interne 25 de l'insert 4 présente des nervures ou autres organes saillants.
In non-illustrated variants, the arrangement of the insert such as 4 and / or of the tubular portion such as 11 is different, for example:
  • their dimensions are such that the range of sections of cable end section that can be used without the insert 4 is different from 120 to 240 mm 2 , for example from 150 to 240 mm 2 ; and / or the range of end cable section sections usable with the insert 4 is different from 50 to 95 mm 2 , for example 50 to 120 mm 2 ;
  • the tubular portion 11 has more than two threads, for example four threads, with the connecting device which is arranged for each pair of two adjacent threads as for the two threads of the tubular portion 11;
  • the parts of the insert 4 situated on either side of its longitudinal median plane are not the mirror image of each other, for example the shoulders 37 are not at right one of the other;
  • the parts of the insert 4 situated on either side of its transverse median plane are not the mirror image of each other, for example one of the intermediate end faces 39 and 40 is convex ;
  • the longitudinal intermediate faces 22 and 23 have a different step profile, for example the shoulders 37 are replaced by holidays;
  • the inner surface 16 is devoid of annular ribs 18;
  • the insert 4 has a different transversal profile of petaloid, for example circular or fluted; and or
  • the inner face 25 of the insert 4 has ribs or other projecting members.

De nombreuses autres variantes sont possibles en fonction des circonstances, et l'on rappelle à cet égard que l'invention ne se limite pas aux exemples décrits et représentés.Many other variants are possible depending on the circumstances, and it is recalled in this regard that the invention is not limited to the examples described and shown.

Claims (12)

Dispositif de connexion pour un tronçon terminal (6, 8) de câble électrique (3, 5), comportant : - un élément conducteur (10) présentant une portion tubulaire (11, 12) orientée suivant une direction axiale avec un premier taraudage (14) et un deuxième taraudage (15) chacun traversant et orienté suivant une direction radiale, le premier taraudage (14) et le deuxième taraudage (15) étant disposés avec un écart axial et avec un écart angulaire, la portion tubulaire (11, 12) présentant une surface interne (16) délimitant un logement (17) configuré pour recevoir ledit tronçon terminal (8) lorsqu'il a une section comprise dans une première plage prédéterminée ; - un insert (4) en forme de gouttière, comportant une face externe (24) et une face interne (25), configuré pour être disposé dans le logement (17) délimité par la portion tubulaire (11, 12) avec la face externe (24) au contact de la surface interne (16) de la portion tubulaire (11, 12), la partie du logement (17) non occupée par l'insert (4) étant configurée pour recevoir ledit tronçon terminal (6) lorsqu'il a une section comprise dans une deuxième plage prédéterminée ; et - une première vis de serrage (42) et une deuxième vis de serrage (43) engagées respectivement dans le premier taraudage (14) et dans le deuxième taraudage (15), chacune configurée : pour enserrer entre sa surface distale (33) et la surface interne (16) de la portion tubulaire (11, 12) ledit tronçon terminal (8) à section comprise dans la première plage prédéterminée reçu dans ledit logement (17), et pour enserrer entre sa surface distale (33) et la face interne (25) de l'insert (4) ledit tronçon terminal (6) à section comprise dans une deuxième plage prédéterminée reçu dans la partie du logement (17) non occupée par l'insert (4) ; ledit dispositif étant caractérisé en ce que : - chacune des première et seconde faces intermédiaires longitudinales (22, 23) que comporte ledit insert (4) entre sa face interne (25) et sa face externe (24), respectivement d'un premier côté et d'un second côté opposé au premier côté, est à profil étagé ; - dans un état du dispositif (1) prêt à recevoir ledit tronçon terminal (6) à section comprise dans une deuxième plage prédéterminée, où ledit insert (4) est reçu dans le logement (17) avec la surface distale (33) de la première vis de serrage (42) qui est à l'écart de chacune des première et seconde faces intermédiaires longitudinales (22, 23) et avec la surface distale (33) de la deuxième vis de serrage (43) qui est à l'écart de chacune des première et seconde faces intermédiaires longitudinales (22, 23), ledit insert (4) est libre de pivoter autour de la direction axiale ; - dans un état de fin de course du dispositif (1) atteint à partir dudit état prêt à recevoir en serrant jusqu'en fin de course d'abord la première vis de serrage (42) puis en serrant jusqu'en fin de course la seconde vis de serrage (43), la surface distale (33) de la première vis de serrage (42) est au contact de la première face intermédiaire longitudinale (22) et de la seconde face intermédiaire longitudinale (23) de l'insert (4) tandis que la surface distale (33) de la deuxième vis de serrage (43) est au contact d'au moins l'une des première et seconde faces intermédiaires longitudinales (22, 23) ; et - ledit profil étagé est configuré pour que la profondeur d'enfoncement de la première vis de serrage (42) et la profondeur d'enfoncement de la deuxième vis de serrage (43) dans ledit état de fin de course soient plus proches l'une de l'autre que si les première et seconde faces intermédiaires longitudinales avaient un profil plat. Connecting device for a terminal section (6, 8) of electric cable (3, 5), comprising: a conductive element (10) having a tubular portion (11, 12) oriented in an axial direction with a first tapping (14) and a second tapping (15) each passing through and oriented in a radial direction, the first tapping (14); and the second thread (15) being arranged with an axial gap and with an angular spacing, the tubular portion (11, 12) having an inner surface (16) delimiting a housing (17) configured to receive said end section (8) when it has a section within a first predetermined range; - A gutter-shaped insert (4) having an outer face (24) and an inner face (25), configured to be disposed in the housing (17) delimited by the tubular portion (11, 12) with the outer face (24) in contact with the inner surface (16) of the tubular portion (11, 12), the portion of the housing (17) not occupied by the insert (4) being configured to receive said end portion (6) when it has a section within a second predetermined range; and a first clamping screw (42) and a second clamping screw (43) respectively engaged in the first internal thread (14) and in the second internal thread (15), each configured to clamp between its distal surface (33) and the inner surface (16) of the tubular portion (11, 12) said sectional end section (8) included in the first predetermined range received in said housing (17), and to enclose between its distal surface (33) and the inner face (25) of the insert (4) said terminal section (6) included in a second predetermined range received in the portion of the housing (17) not occupied by the insert (4); said device being characterized in that : each of the first and second longitudinal intermediate faces (22, 23) that comprises said insert (4) between its inner face (25) and its outer face (24), respectively of a first side and of a second side opposite to first side, is stepped profile; in a state of the device (1) ready to receive said terminal section (6) in a second predetermined range, where said insert (4) is received in the housing (17) with the distal surface (33) of the first clamping screw (42) which is spaced apart from each of the first and second longitudinal intermediate faces (22, 23) and with the distal surface (33) of the second clamping screw (43) which is away from it each of the first and second longitudinal intermediate faces (22, 23), said insert (4) is free to pivot about the axial direction; in a state of end of travel of the device (1) reached from said ready state to receive by tightening up to the end of stroke first the first clamping screw (42) then tightening until the end of the race the second clamping screw (43), the distal surface (33) of the first clamping screw (42) is in contact with the first longitudinal intermediate face (22) and the second longitudinal intermediate face (23) of the insert ( 4) while the distal surface (33) of the second clamping screw (43) is in contact with at least one of the first and second longitudinal intermediate faces (22, 23); and said stepped profile is configured so that the depth of insertion of the first clamping screw (42) and the depth of insertion of the second clamping screw (43) into said end-of-travel state are closer to one another; on the other, only if the first and second longitudinal intermediate faces had a flat profile. Dispositif selon la revendication 1, caractérisé en ce que dans l'état de fin de course la surface distale (33) de la deuxième vis de serrage (43) est au contact à la fois de la première face intermédiaire longitudinale (22) et de la seconde face intermédiaire longitudinale (23).Device according to claim 1, characterized in that in the end-of-travel state the distal surface (33) of the second clamping screw (43) is in contact with both the first longitudinal intermediate face (22) and the the second longitudinal intermediate face (23). Dispositif selon l'une des revendications 1 et 2, caractérisé en ce que la première face intermédiaire longitudinale (22) et la seconde face intermédiaire longitudinale (23) de l'insert (4) présentent chacune une première portion longitudinale (35) en retrait par rapport à une seconde portion longitudinale (36), la première portion longitudinale (35) de la première face intermédiaire longitudinale (22) est au droit de la seconde portion longitudinale (36) de la seconde face intermédiaire longitudinale (23) tandis que la seconde portion longitudinale (36) de la première face intermédiaire longitudinale (22) est au droit de la première portion longitudinale (35) de la seconde face intermédiaire longitudinale (23).Device according to one of claims 1 and 2, characterized in that the first longitudinal intermediate face (22) and the second longitudinal intermediate face (23) of the insert (4) each have a first longitudinal portion (35) recessed relative to a second longitudinal portion (36), the first longitudinal portion (35) of the first longitudinal intermediate face (22) is in line with the second longitudinal portion (36) of the second longitudinal intermediate face (23) while the second longitudinal portion (36) of the first longitudinal intermediate face (22) is at the right of the first longitudinal portion (35) of the second longitudinal intermediate face (23). Dispositif selon la revendication 3, caractérisé en ce que la première face intermédiaire longitudinale (22) et la seconde face intermédiaire longitudinale (23) de l'insert (4) présentent chacune un épaulement (37) à la jonction entre la première portion longitudinale (35) et la seconde portion longitudinale (36), lesdits épaulements (37) étant au droit l'un de l'autre.Device according to claim 3, characterized in that the first longitudinal intermediate face (22) and the second longitudinal intermediate face (23) of the insert (4) each have a shoulder (37) at the junction between the first longitudinal portion ( 35) and the second longitudinal portion (36), said shoulders (37) being in line with each other. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que l'insert (4) s'étend longitudinalement entre une première face intermédiaire d'extrémité (39) et une deuxième face intermédiaire d'extrémité (40) opposée à la première face intermédiaire d'extrémité (39), et l'insert (4) présente un profil, lorsqu'il est observé avec sa première face intermédiaire d'extrémité (39) tournée vers un premier côté, sa deuxième face intermédiaire d'extrémité (40) tournée vers un deuxième côté opposé au premier côté, sa face interne (25) tournée vers le haut et sa face externe (24) tournée vers le bas, qui est similaire au profil qu'il présente lorsqu'il est observé avec sa deuxième face intermédiaire d'extrémité (40) tournée vers le premier côté, sa première face intermédiaire d'extrémité (39) tournée vers le deuxième côté, sa face externe (24) tournée vers le haut et sa face interne (25) tournée vers le bas.Device according to one of claims 1 to 4, characterized in that the insert (4) extends longitudinally between a first end intermediate face (39) and a second end intermediate face (40) opposite to the first intermediate end face (39), and the insert (4) has a profile, when it is observed with its first end intermediate face (39) facing a first side, its second end intermediate face (40) facing a second side opposite to the first side, its inner face (25) facing upwards and its outer face (24) facing downwards, which is similar to the profile it has when it is observed with its second end intermediate face (40) facing the first side, its first end intermediate face (39) facing the second side, its upwardly facing outer face (24) and its inner face (25) turned down. Dispositif selon l'une des revendications 1 à 5, caractérisé en ce que la face interne (25) de l'insert (4) est excentrée par rapport à la face interne (25) de la portion tubulaire (11, 12) vers lesdits taraudages (14, 15) dans ledit état de fin de course.Device according to one of claims 1 to 5, characterized in that the inner face (25) of the insert (4) is eccentric with respect to the inner face (25) of the tubular portion (11, 12) to said tapping (14, 15) in said end-of-stroke state. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce que la face externe (24) de l'insert (4) présente en outre une pluralité de portions de surface rentrantes (38) s'étendant longitudinalement de sorte que l'insert (4) présente un profil transversal pétaloïde.Device according to one of claims 1 to 6, characterized in that the outer face (24) of the insert (4) further has a plurality of reentrant surface portions (38) extending longitudinally so that the insert (4) has a petaloid transverse profile. Dispositif selon la revendication 7, caractérisé en ce que l'insert (4) présente une première portion sectorielle angulairement comprise entre la première portion longitudinale (35) et la seconde portion longitudinale (36) de la première face intermédiaire longitudinale (22), une deuxième portion sectorielle angulairement comprise entre la première portion longitudinale (35) et la seconde portion longitudinale (36) de la seconde face intermédiaire longitudinale (23), et une troisième portion sectorielle angulairement comprise entre la première portion longitudinale (35) de la première face intermédiaire longitudinale (22) et la première portion longitudinale (35) de la seconde face intermédiaire longitudinale (23) ; avec, à la jonction entre la première portion sectorielle et la troisième portion sectorielle une portion de surface rentrante (38) de la première portion sectorielle et une portion de surface rentrante (38) de la troisième portion sectorielle qui forment une première rainure longitudinale (44), à la jonction entre la deuxième portion sectorielle et la troisième portion sectorielle une portion de surface rentrante (38) de la deuxième portion sectorielle et une portion de surface rentrante (38) de la troisième portion sectorielle qui forment une deuxième rainure longitudinale (45), et avec, dans la troisième portion sectorielle deux portions de surface rentrantes (38) qui forment une troisième rainure longitudinale (46) à mi-distance entre la première rainure longitudinale (44) et la deuxième rainure longitudinale (45).Device according to claim 7, characterized in that the insert (4) has a first sectorial portion angularly between the first longitudinal portion (35) and the second longitudinal portion (36) of the first longitudinal intermediate face (22), a second sectoral portion angularly between the first longitudinal portion (35) and the second longitudinal portion (36) of the second longitudinal intermediate face (23), and a third sectoral portion angularly between the first longitudinal portion (35) of the first longitudinal intermediate face ( 22) and the first longitudinal portion (35) of the second longitudinal intermediate face (23); with, at the junction between the first sector portion and the third sector portion, a re-entrant portion (38) of the first sector portion and a reentrant surface portion (38) of the third sector portion that form a first longitudinal groove (44). ), at the junction between the second sector portion and the third sector portion a re-entrant portion (38) of the second sector portion and a re-entrant portion (38) of the third sector portion that form a second longitudinal groove (45). ), and with, in the third sector portion two reentrant surface portions (38) which form a third longitudinal groove (46) midway between the first longitudinal groove (44) and the second longitudinal groove (45). Dispositif selon l'une des revendications 1 à 8, caractérisé en ce que la portion tubulaire (11, 12) comporte une paroi de fond (19) délimitant ledit logement (17) et une ouverture d'introduction (21) dudit tronçon terminal par laquelle ledit logement (17) débouche à l'opposé de ladite paroi de fond (19), ledit insert (4) s'étendant, lorsqu'il est reçu dans le logement (17) de ladite portion tubulaire (11, 12), depuis la paroi de fond (19) jusqu'à l'ouverture (21).Device according to one of claims 1 to 8, characterized in that the tubular portion (11, 12) comprises a bottom wall (19) delimiting said housing (17) and an insertion opening (21) of said terminal section by said housing (17) opens out opposite said bottom wall (19), said insert (4) extending, when received in the housing (17) of said tubular portion (11, 12), from the bottom wall (19) to the opening (21). Dispositif selon l'une des revendications 1 à 9, caractérisé en ce que la surface interne (16) de la portion tubulaire (11, 12) présente une pluralité de nervures (18) annulaires.Device according to one of claims 1 to 9, characterized in that the inner surface (16) of the tubular portion (11, 12) has a plurality of annular ribs (18). Dispositif selon l'une des revendications 1 à 10, caractérisé en ce que les vis de serrage (42, 43) présentent une tige filetée (30), une tête (31) et une portion fusible (32) reliant la tige filetée (30) à la tête (31), la portion fusible (32) étant configurée pour rompre automatiquement lorsqu'un couple prédéterminé de serrage est atteint.Device according to one of claims 1 to 10, characterized in that the clamping screws (42, 43) have a threaded rod (30), a head (31) and a fusible portion (32) connecting the threaded rod (30). ) at the head (31), the fuse portion (32) being configured to break automatically when a predetermined torque of tightening is reached. Dispositif selon l'une des revendications 1 à 11, caractérisé en ce qu'il comporte un manchon de raccordement auquel appartient la portion tubulaire (11), dite première portion tubulaire (11), le manchon comportant une seconde portion tubulaire (12), similaire à la première portion tubulaire (11), la première portion tubulaire (11) et la seconde portion tubulaire (12) étant reliées par une portion de jonction (13), chacune des première et seconde portions tubulaires (11, 12) présentant à une extrémité opposée à la portion de jonction (13) une ouverture d'introduction (21) d'un tronçon terminal de câble (3, 5) dans le logement (17).Device according to one of claims 1 to 11, characterized in that it comprises a connecting sleeve to which the portion belongs tubular (11), said first tubular portion (11), the sleeve having a second tubular portion (12), similar to the first tubular portion (11), the first tubular portion (11) and the second tubular portion (12) being connected by a junction portion (13), each of the first and second tubular portions (11, 12) having at an end opposite the junction portion (13) an opening (21) for introducing a terminal cable section (3, 5) in the housing (17).
EP17171855.4A 2016-05-20 2017-05-19 Connection device for a terminal section of an electric cable Active EP3246992B1 (en)

Applications Claiming Priority (1)

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FR1654557A FR3051606B1 (en) 2016-05-20 2016-05-20 CONNECTING DEVICE FOR A TRUNK TERMINAL OF ELECTRIC CABLE

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EP3246992B1 EP3246992B1 (en) 2020-03-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116598803A (en) * 2023-07-17 2023-08-15 九东电气有限公司 Non-crimping connection fitting

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001091239A1 (en) 2000-05-25 2001-11-29 Tyco Electronics Raychem Gmbh Cable lug
EP2065978A1 (en) * 2007-11-30 2009-06-03 Ridelin, S.L. A mechanical connector with incorporated cable centring means
US8550842B1 (en) * 2012-05-24 2013-10-08 Tyco Electronics Corporation Cable connector systems and methods including same
EP2662932A2 (en) * 2012-05-09 2013-11-13 Sicame Australia Pty Ltd A power line coupler
CN105576397A (en) * 2016-03-02 2016-05-11 国网山东省电力公司蓬莱市供电公司 Electric cable wiring device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001091239A1 (en) 2000-05-25 2001-11-29 Tyco Electronics Raychem Gmbh Cable lug
EP2065978A1 (en) * 2007-11-30 2009-06-03 Ridelin, S.L. A mechanical connector with incorporated cable centring means
EP2662932A2 (en) * 2012-05-09 2013-11-13 Sicame Australia Pty Ltd A power line coupler
US8550842B1 (en) * 2012-05-24 2013-10-08 Tyco Electronics Corporation Cable connector systems and methods including same
CN105576397A (en) * 2016-03-02 2016-05-11 国网山东省电力公司蓬莱市供电公司 Electric cable wiring device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116598803A (en) * 2023-07-17 2023-08-15 九东电气有限公司 Non-crimping connection fitting
CN116598803B (en) * 2023-07-17 2023-09-12 九东电气有限公司 Non-crimping connection fitting

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FR3051606A1 (en) 2017-11-24
EP3246992B1 (en) 2020-03-18
FR3051606B1 (en) 2018-06-29

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