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EP2477278A1 - Sleeve for electrical connector and method for assembling same - Google Patents

Sleeve for electrical connector and method for assembling same Download PDF

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Publication number
EP2477278A1
EP2477278A1 EP12150769A EP12150769A EP2477278A1 EP 2477278 A1 EP2477278 A1 EP 2477278A1 EP 12150769 A EP12150769 A EP 12150769A EP 12150769 A EP12150769 A EP 12150769A EP 2477278 A1 EP2477278 A1 EP 2477278A1
Authority
EP
European Patent Office
Prior art keywords
sleeve
connector
sleeves
axis
barrel
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
EP12150769A
Other languages
German (de)
French (fr)
Other versions
EP2477278B1 (en
Inventor
Laurent Mounier
Serge Perrot
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.)
Radiall SA
Original Assignee
Radiall SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Radiall SA filed Critical Radiall SA
Publication of EP2477278A1 publication Critical patent/EP2477278A1/en
Application granted granted Critical
Publication of EP2477278B1 publication Critical patent/EP2477278B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/193—Means for increasing contact pressure at the end of engagement of coupling part, e.g. zero insertion force or no friction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/187—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member in the socket

Definitions

  • the present invention relates to an electrically conductive sleeve for electrical connector, as well as such an electrical connector.
  • the invention aims to provide a connector for conveying an electrical signal having a high power and / or high intensity and whose connection to a complementary type of connector requires only a weak connection force.
  • a connector is advantageously capable of undergoing a large number of connection / disconnection cycles.
  • connection or disconnection forces may be less than 10 Newtons and this connector may advantageously retain its electrical characteristics after 10,000 connection / disconnection cycles.
  • the electrical signal is, for example, of the order of a few tens of kW with an intensity of 125 A.
  • a connector can be used for recharging electric vehicles or for applications in the medical field.
  • vehicle must, in the sense of the invention, be understood in a very broad manner as will be seen later.
  • a problem with the transmission of large power through mated electrical connectors is the high contact resistance between these two mated connectors. Indeed, the higher this contact resistance is and the greater the power dissipated by the Joule effect, which can affect the efficiency and safety of the connection thus implemented between the two connectors. It is therefore desirable to reduce this contact resistance.
  • a solution for example known from the application WO 2009/099789 , is to multiply the points of electrical contact between the two connectors when they are coupled.
  • Requirement WO 2009/099789 teaches to use a connector having a barrel inside which are arranged electrically conductive sleeves, each of these sleeves having at one end a slotted portion defining a plurality of tabs. Each of these tabs forms points of contact with the complementary type connector to be received inside the sleeves.
  • the invention aims to meet this need. It achieves, in one of its aspects, through an electrically conductive sleeve for electrical connector, the sleeve extending around an axis, having in particular a tubular shape, and having a first end and a second end, the second end being opposite to the first end and being in particular configured to bear against a body of the electrical connector, at least one slot being formed in the sleeve and extending from the first end towards the second end, the sleeve being characterized in that it comprises at least one tab extending transversely, particularly radially relative to the axis of the sleeve.
  • the electrical contact between the sleeve and the connector body can be reinforced.
  • the positioning of the sleeve on the body can be made simpler by the presence of the one or more lugs, which can guarantee that the points of contact with the complementary type connector which are defined at the first end of the body. sleeve are well positioned with respect to this complementary type connector.
  • the axial position of the sleeve in a barrel when the sleeve is placed on the body can be ensured, the tab being able to oppose axial displacements of the sleeve in the barrel.
  • the tab can be made in one piece with the rest of the sleeve.
  • the tab is attached to the sleeve.
  • the connection between each lug and the sleeve can be made by riveting, crimping or welding.
  • the tab may be provided at the second end of the sleeve.
  • the tab may extend transversely outwardly of the sleeve.
  • the tab extends for example radially, that is to say perpendicular to the axis of the sleeve and towards the outside of the latter, which can prevent the sleeve from sliding in the barrel.
  • the sleeve may have a plurality of tabs. These tabs can be of the same dimensions and evenly distributed around the axis of the sleeve.
  • the sleeve may comprise at its first end a plurality of slots, two adjacent slots defining a flexible tongue carrying one or more points of contact with the complementary type connector.
  • Each tongue may extend obliquely towards the inside of the sleeve relative to the axis of the sleeve.
  • the sleeve may have an inner housing in which the pin of the complementary type connector may be inserted.
  • the sleeve may have an outer diameter of between 2 and 20 mm.
  • the sleeve may have a height of between 5 and 50 mm.
  • the term "height" denotes the dimension of the sleeve measured along its axis.
  • the axis of the sleeve can be rectilinear.
  • the sleeve can be obtained using the so-called "cut-rolled” technology or by stamping.
  • the lug (s) of the sleeve may be disposed between the body and the shank when the connector is assembled.
  • the body is attached to the barrel, for example by crimping and in particular by circular crimping, and such an operation can make it possible to increase the contact pressure between the lug (s) of the sleeve (s) and the body. This increase in the contact pressure can make it possible to reduce the electrical resistance between the sleeve (s) and the body.
  • the chain of resistors along the mated connectors can thus be further reduced.
  • the barrel may comprise a housing inside which the sleeve is disposed.
  • the connector may comprise at least two sleeves, these two sleeves having different dimensions.
  • the dimensions of the sleeves may be chosen so that one of the sleeves is received inside the other sleeve.
  • the dimensions of the sleeves can be chosen so that the latter have a different height. When they are arranged in the barrel, the axis of the sleeves can be confused.
  • Each of the sleeves may have a first end with one or more slots defining tabs, as previously mentioned.
  • Such sleeves can make it possible to create a large number of points of contact between the connector and the complementary type connector, the latter being intended to be received inside the sleeve of smaller transverse dimension. A hundred points of contact can be created between the connector and the complementary type connector.
  • the heights of the sleeves may be different so that the first ends of each sleeve succeed each other along the barrel.
  • Each sleeve may or may not have the same number of tabs and the sleeves may be arranged inside the barrel so that from one sleeve to another, the legs do not occupy the same position on the periphery of the sleeve. barrel.
  • the drum may have a height at least equal to that of the sleeve, if necessary the sleeve of greater height, so as to define a means of protection of the sleeve or sleeves.
  • the barrel may extend beyond the first end of the sleeve, where appropriate the sleeve of greater height, so as to define a means for guiding the pin of the complementary type connector when it is coupled with the connector.
  • the connector comprises, for example, three sleeves each having slots at one end and tabs at a second end.
  • the lugs of each sleeve may be applied against a common part of the barrel and be brought into contact with the body.
  • the connector according to the invention can be configured to transmit an electrical signal of intensity of at least 10 A. It is for example of an intensity equal to 125 A and a power equal to a few tens of kW.
  • the connector is for example configured to be assembled on an electric cable, the body including a housing for receiving this cable.
  • This housing is for example not crossing.
  • the connector can be straight, having a rectilinear longitudinal axis.
  • the connector may alternatively be bent.
  • the connector according to the invention can also be applied to the connection between an electric cable and a charging station only at the connection between an electric cable and the electric vehicle.
  • the vehicle may have two, three or four wheels, or more. This is for example a car, a motorcycle or an electric bike.
  • the connector according to the invention can be a connector of the male type or of the female type.
  • a male type connector according to the invention and a female type connector according to the invention can form a male-female connection.
  • the figure 1 schematically represents a connector generally designated 1 according to a first embodiment of the invention.
  • This connector 1 is configured to be coupled to a connector 2 of complementary type.
  • the connector 1 is in the example described a socket, while the connector 2 is a pin, but the invention is not limited to such an example.
  • the connectors 1 and 2 make it possible to transmit an electric signal of intensity greater than 10A, for example as part of the charging of an electric vehicle.
  • the connector 1 is shown in isolation on the figure 3 .
  • This connector 1 comprises a body 4, one or more sleeves 5 and a shank 6.
  • three sleeves 5 are provided but the invention is not limited to a particular number of sleeves, this number being be between one and three, or greater than three.
  • the body 4 comprises a non-through interior housing 8 in which can be arranged a not shown electrical cable on which is mounted the connector 1.
  • the body 4 may be made of metal, for example copper, brass, aluminum or any other material having good electrical conduction properties. For example we can choose materials with a% IACS> 50%.
  • IACS stands for International Annealed Copper Standard. % IACS is a way of comparing the electrical conductivities of materials with the conductivity of pure copper.
  • This body 4 extends along a longitudinal axis X and has an annular bearing surface 10 extending perpendicular to the axis X and around the latter.
  • This scope 10 is for example shown in detail on the figure 10 .
  • a flange formed by an annular wall 11 may extend from this bearing 10 in a direction opposite to the rest of the body and along the axis X thereof.
  • This wall 11 surrounds in the illustrated example a tubular portion 7 projecting beyond said wall 11 and defining a longitudinal end of the body 4.
  • the annular wall 11 may have a larger transverse dimension smaller than that of the bearing surface 10 and a recess may be provided between bearing 10 and wall 11.
  • Each sleeve 5 has in the illustrated examples a substantially tubular shape about an axis, which coincides with the axis X of the body when the connector 1 is assembled. Subsequently, we will differentiate the sleeves according to their dimensions by speaking of "small sleeve”, “median sleeve” and “large sleeve”.
  • Each sleeve has at a first end 12 relative to the axis X a plurality of slots 14 extending from this first end 12 to a second end 13 of the sleeve, these slots 14 define tabs 15 whose role will be described next.
  • the slots 14 extend for example substantially parallel to the axis of the sleeve 5 over a distance of between 5 and 15% of the height of the sleeve. This distance can be calculated so that the geometry of the tongue thus defined is compatible with an elastic deformation of the tongue during the introduction of the pin into the sleeve.
  • the geometry of the tongue depends for example on at least one of the following parameters: length of the tongue, thickness of the material and angle of the tongue relative to the axis of the sleeve
  • This elastic deformation ensures that after a connection / disconnection cycle, the tongue returns to its rest position and is able to ensure a new connection / disconnection cycle without loss of electrical or mechanical properties of the sleeve.
  • the tongues may extend obliquely with respect to the axis of the sleeve and towards the inside of the sleeve.
  • a through-housing 16 may be formed in each sleeve along the axis X, this housing extending between the first 12 and the second end of the sleeve 5.
  • Each sleeve 5 comprises in the example in question a plurality of tabs 17 formed at its second end 13.
  • Each sleeve may comprise the same number of tabs, this number being for example between two and ten.
  • the legs can, as can be seen, be evenly distributed around the axis of the sleeve.
  • the tabs 17 extend radially relative to the axis of the sleeve, towards the outside of the sleeve.
  • a slot 19, visible on the figure 4 may be formed over the entire height of each sleeve 5. This slot 19 may allow to slightly deform the sleeve during its assembly inside the barrel or another sleeve of larger diameter. By returning to its initial position, the sleeve 5 can remain plated on its outer diameter in the barrel or in a sleeve of larger diameter.
  • each sleeve 5 is made from a sheet of metal which is first cut to make the slots and legs, then these shapes are arched to the desired geometry and finally the assembly is wound for give an approximately cylindrical shape.
  • the slot 19 is delimited by the edges of the wound metal sheet.
  • the sleeves 5 are obtained otherwise than with the aid of so-called "cut-and-roll" technology, for example by stamping, and the sleeves 5 may be devoid of such slots 19.
  • Each sleeve 5 is for example made of copper, brass, aluminum or any other material (s) having satisfactory electrical conduction properties and good elasticity properties.
  • the sleeves 5 may have different transverse and longitudinal dimensions, so that a sleeve can be disposed entirely, both transversely and longitudinally, inside another sleeve.
  • the small sleeve 5 has transverse and longitudinal dimensions such that the latter is fully received at the inside of the medial sleeve, the tongues 15 of this median sleeve extending beyond the first end 12 of the small sleeve when the latter is disposed inside the middle sleeve.
  • Such different lengths of the sleeves 5 can allow, when they are arranged in each other, to obtain a succession of tongues 15 along the axis common to the sleeves, to obtain a large number of contact points with the pin of the complementary type connector 2 when the latter is inserted inside the housing 16 formed in the small sleeve.
  • the barrel 6 may have a generally tubular shape whose axis is common with that of the sleeve or sleeves 5 and the body 4 when the connector 1 is assembled.
  • This shaft may have a longitudinal end 20 intended to cooperate with the body 4.
  • the longitudinal end 20 may be formed by a frustoconical portion 21 having a wall receiving the crimping 22 diverging from the shaft axis and a perpendicular bottom wall 23 to the axis of the shaft 6.
  • the bottom wall 23 may extend all the way around the axis of the shaft and have a larger transverse dimension, in particular a diameter, allowing this bottom wall 23 to be received at the center of the shaft.
  • a through-housing 25 can be defined in the shank 6, this housing 25 extending along the axis of the shank 6.
  • the drum 6 can extend along its axis along a length at least equal to that of the larger sleeve 5, or over a length greater than that of the larger sleeve 5, so as to provide both a protective function sleeves 5 and a guiding function of the complementary type connector 2 when the latter is introduced into the barrel 6 to be connected to the connector 1, as shown in FIGS. Figures 1 and 2 .
  • a first step represented on the figure 4 the largest sleeve 5 is introduced into a housing 25 formed in the barrel 6, this housing 25 having a shape and dimensions adapted to receive this large sleeve 5.
  • the tabs 17 of the large sleeve 5 rest against the bottom wall 23 of the barrel 6.
  • the median sleeve 5 is disposed in the housing 16 formed in the large sleeve 5.
  • the lugs 17 of the middle sleeve 5 rest against the bottom wall 23 of the barrel 6, the median sleeve 5 being advantageously introduced into the large sleeve 5 so that its lugs 17 do not overlap those of the large sleeve, that is to say so that the lugs 17 of the median sleeve occupy on the periphery of the bottom wall 23 positions different from those occupied by the legs of the large sleeve 5.
  • a next step represented in figure 7 the small sleeve 5 is introduced into the housing 19 formed in the middle sleeve 5.
  • the tabs 17 of each of the sleeves can be applied against the bottom wall 23 without overlapping each other, each sleeve 5 having been advantageously positioned in the barrel 6 to obtain this result.
  • a next step which is represented at figure 9 , the body 4 is applied against the subset "barrel-sleeves" obtained at the end of the previous steps. During this step, bring the bearing 10 of the body 4 in abutment against the bottom wall 23 of the barrel 6 and the tubular portion 7 defining one end of the body 4 inside the housing 19 formed in the small sleeve, as one can see it on the figure 9 .
  • the lugs 17 of the sleeves 5 are trapped between a transverse wall of the bearing surface 10 of the body 4 and the bottom wall 23 of the barrel 6.
  • the body 4 is secured to the barrel 6 and to the sleeves 5.
  • This joining consists in the example described in a crimping of the body 4 on the barrel 6.
  • the annular wall 11 of the body is for example crimped on the crimping wall 22 of the frustoconical portion 21 of the barrel 6.
  • the connector 1 is assembled as shown on the figure 12 , which ensures the mechanical maintenance of the various elements of the connector 1 and the increase of the pressure forces between the sleeves 5 and the body 4. Micro-welding may occur during this crimping.
  • the invention thus makes it possible to obtain a connector adapted to establish a plurality of contact points with a connector of complementary type, for example a pin whose diameter is less than 10 mm, for example 6 mm in which case the connector according to the invention.
  • a connector of complementary type for example a pin whose diameter is less than 10 mm, for example 6 mm in which case the connector according to the invention.
  • invention can be a socket.
  • the connector 1 according to the invention and the complementary type connector 2 may have a very low contact resistance, for example less than 0.5 m ⁇ .
  • the force required for coupling and uncoupling connectors 1 and 2 may be relatively low, being for example less than 10 N, especially less than 7N.
  • a connector 1 according to the invention can be particularly resistant to currents of high intensity, especially currents whose intensity is greater than 10 A.
  • the heating induced by the transmission of such a current can be relatively low.
  • the heating after three hours at the connection between the cable and the pins can be less than 50 ° K.
  • the pin of the complementary type connector comprises an insulating cover.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The sleeve (5) has an end (13) that is opposite to another end (12) of the sleeve. Slots (14) are formed in the sleeve, and extend from the latter end toward the former end of the sleeve. Lugs (17) radially extend toward an exterior of the sleeve with respect to a longitudinal axis (X) of the sleeve, where the lugs are formed as a single piece with the rest of the sleeve. The lugs are arranged at the former end of the sleeve. The adjacent slots define a flexible tongue carrying points of contact with a complementary connector. An independent claim is also included for an electrical connector.

Description

La présente invention a pour objet un manchon électriquement conducteur pour connecteur électrique, ainsi qu'un tel connecteur électrique.The present invention relates to an electrically conductive sleeve for electrical connector, as well as such an electrical connector.

L'invention vise à fournir un connecteur permettant de véhiculer un signal électrique ayant une puissance élevée et/ou une forte intensité et dont la connexion à un connecteur de type complémentaire ne nécessite qu'une faible force de connexion. Un tel connecteur est avantageusement apte à subir un grand nombre de cycle de connexion/déconnexion.The invention aims to provide a connector for conveying an electrical signal having a high power and / or high intensity and whose connection to a complementary type of connector requires only a weak connection force. Such a connector is advantageously capable of undergoing a large number of connection / disconnection cycles.

Par exemple les forces de connexion ou de déconnexion peuvent être inférieures à 10 Newtons et ce connecteur peut avantageusement conserver ses caractéristiques électriques après 10 000 cycles de connexion/déconnexion.For example, the connection or disconnection forces may be less than 10 Newtons and this connector may advantageously retain its electrical characteristics after 10,000 connection / disconnection cycles.

Le signal électrique est par exemple de puissance de l'ordre de quelques dizaines de kW avec une intensité de 125 A. Un tel connecteur peut être utilisé pour la recharge de véhicules électriques ou encore pour des applications dans le domaine médical. Le terme de « véhicule » doit, au sens de l'invention, être compris de façon très large comme on le verra par la suite.The electrical signal is, for example, of the order of a few tens of kW with an intensity of 125 A. Such a connector can be used for recharging electric vehicles or for applications in the medical field. The term "vehicle" must, in the sense of the invention, be understood in a very broad manner as will be seen later.

Un problème se posant lors de la transmission de puissances importantes par le biais de connecteurs électriques accouplés est la résistance de contact importante entre ces deux connecteurs accouplés. En effet, plus cette résistance de contact est importante et plus la puissance dissipée par effet Joule est importante, ce qui peut affecter l'efficacité et la sécurité de la connexion ainsi mise en oeuvre entre les deux connecteurs. Il est donc souhaitable de réduire cette résistance de contact.A problem with the transmission of large power through mated electrical connectors is the high contact resistance between these two mated connectors. Indeed, the higher this contact resistance is and the greater the power dissipated by the Joule effect, which can affect the efficiency and safety of the connection thus implemented between the two connectors. It is therefore desirable to reduce this contact resistance.

Une solution, par exemple connue de la demande WO 2009/099789 , est de multiplier les points de contact électrique entre les deux connecteurs lorsque ces derniers sont accouplés. La demande WO 2009/099789 enseigne d'utiliser un connecteur comportant un fût à l'intérieur duquel sont disposés des manchons électriquement conducteurs, chacun de ces manchons comportant à une extrémité une partie fendue définissant une pluralité de languettes. Chacune de ces languettes forme des points de contact avec le connecteur de type complémentaire destiné à être reçu à l'intérieur des manchons.A solution, for example known from the application WO 2009/099789 , is to multiply the points of electrical contact between the two connectors when they are coupled. Requirement WO 2009/099789 teaches to use a connector having a barrel inside which are arranged electrically conductive sleeves, each of these sleeves having at one end a slotted portion defining a plurality of tabs. Each of these tabs forms points of contact with the complementary type connector to be received inside the sleeves.

Néanmoins, lorsque le fût et les manchons divulgués par cette demande WO 2009/099789 sont solidarisés à un corps destiné à être serti sur un câble électrique, une résistance électrique importante peut exister entre les manchons et ce corps. En outre, l'opération de solidarisation des manchons et/ou fût au corps peut dégrader manchon(s) et/ou fût.Nevertheless, when the cask and sleeves disclosed by this application WO 2009/099789 are secured to a body intended to be crimped on an electric cable, a significant electrical resistance can exist between the sleeves and this body. In addition, the operation of joining the sleeves and / or barrel to the body can degrade sleeve (s) and / or barrel.

Il existe un besoin pour remédier aux inconvénients précités.There is a need to overcome the aforementioned drawbacks.

L'invention a pour objet de répondre à ce besoin. Elle y parvient, selon l'un de ses aspects, grâce à un manchon électriquement conducteur pour connecteur électrique, le manchon s'étendant autour d'un axe, ayant notamment une forme tubulaire, et comportant une première extrémité et une deuxième extrémité, la deuxième extrémité étant opposée à la première extrémité et étant notamment configurée pour venir en appui contre un corps du connecteur électrique, au moins une fente étant ménagée dans le manchon et s'étendant depuis la première extrémité en direction de la deuxième extrémité, le manchon étant caractérisé par le fait qu'il comporte au moins une patte s'étendant transversalement, notamment radialement par rapport à l'axe du manchon.The invention aims to meet this need. It achieves, in one of its aspects, through an electrically conductive sleeve for electrical connector, the sleeve extending around an axis, having in particular a tubular shape, and having a first end and a second end, the second end being opposite to the first end and being in particular configured to bear against a body of the electrical connector, at least one slot being formed in the sleeve and extending from the first end towards the second end, the sleeve being characterized in that it comprises at least one tab extending transversely, particularly radially relative to the axis of the sleeve.

Grâce à la présence de la ou des pattes, le contact électrique entre le manchon et le corps du connecteur peut être renforcé. En outre, le positionnement du manchon sur le corps peut être rendu plus simple grâce à la présence de la ou des pattes, ce qui peut garantir que les points de contacts avec le connecteur de type complémentaire qui sont définis au niveau de la première extrémité du manchon sont bien positionnés par rapport à ce connecteur de type complémentaire. Enfin, grâce à la ou les pattes, la position axiale du manchon dans un fût lorsque le manchon est mis en place sur le corps peut être assurée, la patte pouvant s'opposer à des déplacements axiaux du manchon dans le fût.Thanks to the presence of the leg or legs, the electrical contact between the sleeve and the connector body can be reinforced. In addition, the positioning of the sleeve on the body can be made simpler by the presence of the one or more lugs, which can guarantee that the points of contact with the complementary type connector which are defined at the first end of the body. sleeve are well positioned with respect to this complementary type connector. Finally, thanks to the or the tabs, the axial position of the sleeve in a barrel when the sleeve is placed on the body can be ensured, the tab being able to oppose axial displacements of the sleeve in the barrel.

La patte peut être réalisée d'une seule pièce avec le reste du manchon. En variante, la patte est rapportée sur le manchon. Dans ce dernier cas, la liaison entre chaque patte et le manchon peut être réalisée par rivetage, sertissage ou soudure.The tab can be made in one piece with the rest of the sleeve. Alternatively, the tab is attached to the sleeve. In the latter case, the connection between each lug and the sleeve can be made by riveting, crimping or welding.

La patte peut être ménagée au niveau de la deuxième extrémité du manchon.The tab may be provided at the second end of the sleeve.

La patte peut s'étendre transversalement vers l'extérieur du manchon. La patte s'étend par exemple radialement, c'est-à-dire perpendiculairement, à l'axe du manchon et vers l'extérieur de ce dernier, ce qui peut permettre d'empêcher que le manchon ne coulisse dans le fût.The tab may extend transversely outwardly of the sleeve. The tab extends for example radially, that is to say perpendicular to the axis of the sleeve and towards the outside of the latter, which can prevent the sleeve from sliding in the barrel.

Le manchon peut comporter plusieurs pattes. Ces pattes peuvent être de mêmes dimensions et être réparties de façon uniforme ou non autour de l'axe du manchon.The sleeve may have a plurality of tabs. These tabs can be of the same dimensions and evenly distributed around the axis of the sleeve.

Le manchon peut comporter au niveau de sa première extrémité une pluralité de fentes, deux fentes voisines définissant une languette flexible portant un ou plusieurs points de contact avec le connecteur de type complémentaire. Chaque languette peut s'étendre en oblique vers l'intérieur du manchon par rapport à l'axe du manchon.The sleeve may comprise at its first end a plurality of slots, two adjacent slots defining a flexible tongue carrying one or more points of contact with the complementary type connector. Each tongue may extend obliquely towards the inside of the sleeve relative to the axis of the sleeve.

Le manchon peut présenter un logement intérieur dans lequel la broche du connecteur de type complémentaire peut être introduite.The sleeve may have an inner housing in which the pin of the complementary type connector may be inserted.

Le manchon peut présenter un diamètre extérieur compris entre 2 et 20 mm. Le manchon peut présenter une hauteur comprise entre 5 et 50 mm. On désigne au sens de l'invention par « hauteur » la dimension du manchon mesurée le long de son axe.The sleeve may have an outer diameter of between 2 and 20 mm. The sleeve may have a height of between 5 and 50 mm. For the purposes of the invention, the term "height" denotes the dimension of the sleeve measured along its axis.

L'axe du manchon peut être rectiligne.The axis of the sleeve can be rectilinear.

Le manchon peut être obtenu à l'aide de la technologie dite « découpé-roulé » ou par emboutissage.The sleeve can be obtained using the so-called "cut-rolled" technology or by stamping.

L'invention a encore pour objet, selon un autre de ses aspects, un connecteur électrique, comportant :

  • un corps, et
  • un fût,
caractérisé par le fait qu'il comporte au moins un manchon tel que défini ci-dessus.The invention further relates, in another of its aspects, to an electrical connector, comprising:
  • a body, and
  • a barrel,
characterized in that it comprises at least one sleeve as defined above.

La ou les pattes du manchon peuvent être disposées entre le corps et le fût lorsque le connecteur est assemblé.The lug (s) of the sleeve may be disposed between the body and the shank when the connector is assembled.

Le corps est rapporté sur le fût, par exemple par sertissage et notamment par sertissage circulaire, et une telle opération peut permettre d'augmenter la pression de contact entre la ou les pattes du ou des manchons et le corps. Cette augmentation de la pression de contact peut permettre de faire chuter la résistance électrique entre le ou les manchons et le corps. La chaîne des résistances le long des connecteurs accouplés peut ainsi être encore réduite.The body is attached to the barrel, for example by crimping and in particular by circular crimping, and such an operation can make it possible to increase the contact pressure between the lug (s) of the sleeve (s) and the body. This increase in the contact pressure can make it possible to reduce the electrical resistance between the sleeve (s) and the body. The chain of resistors along the mated connectors can thus be further reduced.

Le fût peut comporter un logement à l'intérieur duquel le manchon est disposé.The barrel may comprise a housing inside which the sleeve is disposed.

Le connecteur peut comporter au moins deux manchons, ces deux manchons ayant des dimensions différentes. Les dimensions des manchons peuvent être choisies de manière à ce que l'un des manchons soit reçu à l'intérieur de l'autre manchon. Les dimensions des manchons peuvent être choisies de manière à ce que ces derniers présentent une hauteur différente. Lorsqu'ils sont disposés dans le fût, l'axe des manchons peuvent être confondus.The connector may comprise at least two sleeves, these two sleeves having different dimensions. The dimensions of the sleeves may be chosen so that one of the sleeves is received inside the other sleeve. The dimensions of the sleeves can be chosen so that the latter have a different height. When they are arranged in the barrel, the axis of the sleeves can be confused.

Chacun des manchons peut comporter une première extrémité avec une ou plusieurs fentes définissant des languettes, comme mentionné précédemment. De tels manchons peuvent permettre de créer un grand nombre de points de contact entre le connecteur et le connecteur de type complémentaire, ce dernier étant destiné à être reçu à l'intérieur du manchon de plus petite dimension transversale. Une centaine de points de contact peut ainsi être créée entre le connecteur et le connecteur de type complémentaire.Each of the sleeves may have a first end with one or more slots defining tabs, as previously mentioned. Such sleeves can make it possible to create a large number of points of contact between the connector and the complementary type connector, the latter being intended to be received inside the sleeve of smaller transverse dimension. A hundred points of contact can be created between the connector and the complementary type connector.

Les hauteurs des manchons peuvent être différentes de manière à ce que les premières extrémités de chaque manchon se succèdent le long du fût.The heights of the sleeves may be different so that the first ends of each sleeve succeed each other along the barrel.

Chaque manchon peut comporter ou non le même nombre de pattes et les manchons peuvent être disposés à l'intérieur du fût de manière à ce que d'un manchon à l'autre, les pattes n'occupent pas une même position sur le pourtour du fût.Each sleeve may or may not have the same number of tabs and the sleeves may be arranged inside the barrel so that from one sleeve to another, the legs do not occupy the same position on the periphery of the sleeve. barrel.

Le fût peut présenter une hauteur au moins égale à celle du manchon, le cas échéant du manchon de plus grande hauteur, de manière à définir un moyen de protection du ou des manchons.The drum may have a height at least equal to that of the sleeve, if necessary the sleeve of greater height, so as to define a means of protection of the sleeve or sleeves.

Le fût peut s'étendre au-delà de la première extrémité du manchon, le cas échéant du manchon de plus grande hauteur, de manière à définir un moyen de guidage de la broche du connecteur de type complémentaire lors de son accouplement avec le connecteur.The barrel may extend beyond the first end of the sleeve, where appropriate the sleeve of greater height, so as to define a means for guiding the pin of the complementary type connector when it is coupled with the connector.

Le connecteur comprend par exemple trois manchons ayant chacun des fentes à une première extrémité et des pattes à une deuxième extrémité. Les pattes de chaque manchon peuvent s'appliquer contre une partie commune du fût et être amenées au contact du corps.The connector comprises, for example, three sleeves each having slots at one end and tabs at a second end. The lugs of each sleeve may be applied against a common part of the barrel and be brought into contact with the body.

Le connecteur selon l'invention peut être configuré pour transmettre un signal électrique d'intensité d'au moins 10 A. Il s'agit par exemple d'une intensité égale à 125 A et d'une puissance égale à quelques dizaines de kW.The connector according to the invention can be configured to transmit an electrical signal of intensity of at least 10 A. It is for example of an intensity equal to 125 A and a power equal to a few tens of kW.

Le connecteur est par exemple configuré pour être assemblé sur un câble électrique, le corps comportant notamment un logement pour recevoir ce câble. Ce logement est par exemple non traversant.The connector is for example configured to be assembled on an electric cable, the body including a housing for receiving this cable. This housing is for example not crossing.

Le connecteur peut être droit, ayant un axe longitudinal rectiligne.The connector can be straight, having a rectilinear longitudinal axis.

Le connecteur peut en variante être coudé.The connector may alternatively be bent.

Dans une application pour la recharge de véhicule électrique, le connecteur selon l'invention peut aussi bien s'appliquer à la connexion entre un câble électrique et une borne de recharge qu'à la connexion entre un câble électrique et le véhicule électrique. Le véhicule peut comporter deux, trois ou quatre roues, voire plus. Il s'agit par exemple d'une voiture, d'une moto ou d'un vélo électrique.In an application for recharging an electric vehicle, the connector according to the invention can also be applied to the connection between an electric cable and a charging station only at the connection between an electric cable and the electric vehicle. The vehicle may have two, three or four wheels, or more. This is for example a car, a motorcycle or an electric bike.

Le connecteur selon l'invention peut être un connecteur de type mâle ou de type femelle. Un connecteur de type mâle selon l'invention et un connecteur de type femelle selon l'invention peuvent former un couple mâle-femelle de connexion.The connector according to the invention can be a connector of the male type or of the female type. A male type connector according to the invention and a female type connector according to the invention can form a male-female connection.

L'invention pourra être mieux comprise à la lecture de la description qui va suivre d'exemples non limitatifs d'une mise en oeuvre de celle-ci et à l'examen du dessin annexé sur lequel :

  • la figure 1 représente une douille femelle selon l'invention accouplée à une broche mâle,
  • la figure 2 est une vue en coupe selon II-II de la figure 1,
  • la figure 3 est une vue éclatée d'un exemple de douille selon l'invention, et
  • les figures 4 à 12 représentent de façon schématique et partielle différentes étapes lors de l'assemblage de la douille de la figure 3.
The invention will be better understood on reading the following description of non-limiting examples of an implementation thereof and on examining the appended drawing in which:
  • the figure 1 represents a female socket according to the invention coupled to a male pin,
  • the figure 2 is a sectional view along II-II of the figure 1 ,
  • the figure 3 is an exploded view of an example of a socket according to the invention, and
  • the Figures 4 to 12 schematically and partially represent different steps during the assembly of the bushing of the figure 3 .

La figure 1 représente de façon schématique un connecteur désigné globalement par 1 selon un premier exemple de mise en oeuvre de l'invention. Ce connecteur 1 est configuré pour être accouplé à un connecteur 2 de type complémentaire. Le connecteur 1 est dans l'exemple décrit une douille, tandis que le connecteur 2 est une broche mais l'invention n'est pas limitée à un tel exemple.The figure 1 schematically represents a connector generally designated 1 according to a first embodiment of the invention. This connector 1 is configured to be coupled to a connector 2 of complementary type. The connector 1 is in the example described a socket, while the connector 2 is a pin, but the invention is not limited to such an example.

Les connecteurs 1 et 2 permettent de transmettre un signal électrique d'intensité supérieure à 10A, par exemple dans le cadre de la recharge d'un véhicule électrique.The connectors 1 and 2 make it possible to transmit an electric signal of intensity greater than 10A, for example as part of the charging of an electric vehicle.

Le connecteur 1 est représenté de façon isolée sur la figure 3. Ce connecteur 1 comporte un corps 4, un ou plusieurs manchons 5 ainsi qu'un fût 6. Dans l'exemple illustré, trois manchons 5 sont prévus mais l'invention n'est pas limitée à un nombre particulier de manchons, ce nombre pouvant être compris entre un et trois, ou supérieur à trois.The connector 1 is shown in isolation on the figure 3 . This connector 1 comprises a body 4, one or more sleeves 5 and a shank 6. In the example illustrated, three sleeves 5 are provided but the invention is not limited to a particular number of sleeves, this number being be between one and three, or greater than three.

Le corps 4 comporte un logement intérieur non traversant 8 dans lequel peut être disposé un câble électrique non représenté sur lequel est monté le connecteur 1. Le corps 4 peut être réalisé en métal, par exemple en cuivre, laiton, aluminium ou tout autre matériau présentant de bonnes propriétés de conduction électrique. Par exemple on peut choisir des matériaux ayant un %IACS > 50 %. Le sigle IACS signifie International Annealed Copper Standard. Le %IACS est un moyen de comparer les conductivités électriques des matériaux par rapport à la conductibilité d'un cuivre pur.The body 4 comprises a non-through interior housing 8 in which can be arranged a not shown electrical cable on which is mounted the connector 1. The body 4 may be made of metal, for example copper, brass, aluminum or any other material having good electrical conduction properties. For example we can choose materials with a% IACS> 50%. The acronym IACS stands for International Annealed Copper Standard. % IACS is a way of comparing the electrical conductivities of materials with the conductivity of pure copper.

Ce corps 4 s'étend selon un axe longitudinal X et comporte une portée annulaire 10 s'étendant perpendiculairement à l'axe X et autour de ce dernier. Cette portée 10 est par exemple représentée en détail sur la figure 10. Comme on peut le voir sur cette figure 10, une collerette formée par une paroi annulaire 11 peut s'étendre depuis cette portée 10 dans une direction opposée au reste du corps et selon l'axe X de ce dernier. Cette paroi 11 entoure dans l'exemple illustré une portion tubulaire 7 faisant saillie au-delà de ladite paroi 11 et définissant une extrémité longitudinale du corps 4.This body 4 extends along a longitudinal axis X and has an annular bearing surface 10 extending perpendicular to the axis X and around the latter. This scope 10 is for example shown in detail on the figure 10 . As we can see on this figure 10 , a flange formed by an annular wall 11 may extend from this bearing 10 in a direction opposite to the rest of the body and along the axis X thereof. This wall 11 surrounds in the illustrated example a tubular portion 7 projecting beyond said wall 11 and defining a longitudinal end of the body 4.

La paroi annulaire 11 peut présenter une plus grande dimension transversale inférieure à celle de la portée 10 et un décrochement peut être ménagé entre portée 10 et paroi 11.The annular wall 11 may have a larger transverse dimension smaller than that of the bearing surface 10 and a recess may be provided between bearing 10 and wall 11.

Chaque manchon 5 présente dans les exemples illustrés une forme sensiblement tubulaire autour d'un axe, qui est confondu avec l'axe X du corps lorsque le connecteur 1 est assemblé. Par la suite, on différenciera les manchons en fonction de leurs dimensions en parlant de « petit manchon », de « manchon médian » et de « grand manchon ».Each sleeve 5 has in the illustrated examples a substantially tubular shape about an axis, which coincides with the axis X of the body when the connector 1 is assembled. Subsequently, we will differentiate the sleeves according to their dimensions by speaking of "small sleeve", "median sleeve" and "large sleeve".

Chaque manchon comporte à une première extrémité 12 par rapport à l'axe X une pluralité de fentes 14 s'étendant depuis cette première extrémité 12 vers une deuxième extrémité 13 du manchon, ces fentes 14 définissent des languettes 15 dont le rôle sera décrit ensuite. Les fentes 14 s'étendent par exemple sensiblement parallèlement à l'axe du manchon 5 sur une distance comprise entre 5 et 15 % de la hauteur du manchon. Cette distance peut être calculée de telle sorte que la géométrie de la languette ainsi définie soit compatible avec une déformation élastique de la languette lors de l'introduction de la broche dans le manchon. La géométrie de la languette dépend par exemple de l'un au moins des paramètres suivants : longueur de la languette, épaisseur du matériau et angle de la languette par rapport à l'axe du manchonEach sleeve has at a first end 12 relative to the axis X a plurality of slots 14 extending from this first end 12 to a second end 13 of the sleeve, these slots 14 define tabs 15 whose role will be described next. The slots 14 extend for example substantially parallel to the axis of the sleeve 5 over a distance of between 5 and 15% of the height of the sleeve. This distance can be calculated so that the geometry of the tongue thus defined is compatible with an elastic deformation of the tongue during the introduction of the pin into the sleeve. The geometry of the tongue depends for example on at least one of the following parameters: length of the tongue, thickness of the material and angle of the tongue relative to the axis of the sleeve

Cette déformation élastique garantit qu'après un cycle de connexion/déconnexion, la languette revienne dans sa position de repos et soit apte a assurer un nouveau cycle de connexion/déconnexion sans perte de propriétés électriques ou mécaniques du manchon.This elastic deformation ensures that after a connection / disconnection cycle, the tongue returns to its rest position and is able to ensure a new connection / disconnection cycle without loss of electrical or mechanical properties of the sleeve.

Les languettes peuvent s'étendre en oblique par rapport à l'axe du manchon et vers l'intérieur de ce dernier.The tongues may extend obliquely with respect to the axis of the sleeve and towards the inside of the sleeve.

Un logement traversant 16 peut être ménagé dans chaque manchon selon l'axe X, ce logement s'étendant entre la première 12 et la deuxième 13 extrémité du manchon 5.A through-housing 16 may be formed in each sleeve along the axis X, this housing extending between the first 12 and the second end of the sleeve 5.

Chaque manchon 5 comporte dans l'exemple considéré une pluralité de pattes 17 ménagées à sa deuxième extrémité 13. Chaque manchon peut comporter un même nombre de pattes, ce nombre étant par exemple compris entre deux et dix. Les pattes peuvent, comme on peut le voir, être réparties uniformément autour de l'axe du manchon. Les pattes 17 s'étendent radialement par rapport à l'axe du manchon, vers l'extérieur du manchon.Each sleeve 5 comprises in the example in question a plurality of tabs 17 formed at its second end 13. Each sleeve may comprise the same number of tabs, this number being for example between two and ten. The legs can, as can be seen, be evenly distributed around the axis of the sleeve. The tabs 17 extend radially relative to the axis of the sleeve, towards the outside of the sleeve.

Une fente 19, visible sur la figure 4, peut être ménagée sur toute la hauteur de chaque manchon 5. Cette fente 19 peut permettre de déformer légèrement le manchon lors de son assemblage à l'intérieur du fût ou d'un autre manchon de plus grand diamètre. En reprenant sa position initiale, le manchon 5 peut rester plaqué sur son diamètre extérieur dans le fût ou dans un manchon de plus grand diamètre.A slot 19, visible on the figure 4 may be formed over the entire height of each sleeve 5. This slot 19 may allow to slightly deform the sleeve during its assembly inside the barrel or another sleeve of larger diameter. By returning to its initial position, the sleeve 5 can remain plated on its outer diameter in the barrel or in a sleeve of larger diameter.

Cette fente résulte de l'emploi pour réaliser les manchons 5 de la technologie dite « découpé - roulé » du manchon. Dans un tel cas, chaque manchon 5 est réalisé à partir d'une feuille de métal qui est tout d'abord découpée pour réaliser les fentes et les pattes, puis ces formes sont cambrées à la géométrie souhaitée et enfin l'ensemble est enroulé pour donner une forme approximativement cylindrique. La fente 19 est délimitée par les bords de la feuille métallique enroulée.This slot results from the use to make the sleeves 5 of the technology called "cut-rolled" of the sleeve. In such a case, each sleeve 5 is made from a sheet of metal which is first cut to make the slots and legs, then these shapes are arched to the desired geometry and finally the assembly is wound for give an approximately cylindrical shape. The slot 19 is delimited by the edges of the wound metal sheet.

Dans d'autres exemples les manchons 5 sont obtenus autrement qu'à l'aide de la technologie dite « découpé-roulé », par exemple par emboutissage, et les manchons 5 peuvent être dépourvus de telles fentes 19.In other examples, the sleeves 5 are obtained otherwise than with the aid of so-called "cut-and-roll" technology, for example by stamping, and the sleeves 5 may be devoid of such slots 19.

Chaque manchon 5 est par exemple réalisé en cuivre, laiton, aluminium ou tout autre(s) matériau(x) présentant des propriétés de conduction électrique satisfaisantes et de bonnes propriétés d'élasticité.Each sleeve 5 is for example made of copper, brass, aluminum or any other material (s) having satisfactory electrical conduction properties and good elasticity properties.

Comme on peut le voir sur la figure 3, les manchons 5 peuvent présenter des dimensions transversales et longitudinales différentes, de manière à ce qu'un manchon puisse être disposé entièrement, à la fois transversalement et longitudinalement, à l'intérieur d'un autre manchon. Dans l'exemple de la figure 3, le petit manchon 5 présente des dimensions transversales et longitudinales telles que ce dernier est entièrement reçu à l'intérieur du manchon médian, les languettes 15 de ce manchon médian s'étendant au-delà de la première extrémité 12 du petit manchon lorsque ce dernier est disposé à l'intérieur du manchon médian.As can be seen on the figure 3 , the sleeves 5 may have different transverse and longitudinal dimensions, so that a sleeve can be disposed entirely, both transversely and longitudinally, inside another sleeve. In the example of the figure 3 , the small sleeve 5 has transverse and longitudinal dimensions such that the latter is fully received at the inside of the medial sleeve, the tongues 15 of this median sleeve extending beyond the first end 12 of the small sleeve when the latter is disposed inside the middle sleeve.

Il en est de même pour le manchon médian par rapport au grand manchon, c'est-à-dire que le manchon médian peut être entièrement reçu à l'intérieur du grand manchon à la fois transversalement et longitudinalement, les languettes 15 du grand manchon s'étendant au-delà de la première extrémité 12 du manchon médian.It is the same for the median sleeve with respect to the large sleeve, that is to say that the median sleeve can be entirely received inside the large sleeve both transversely and longitudinally, the tabs 15 of the large sleeve extending beyond the first end 12 of the middle sleeve.

De telles longueurs différentes des manchons 5 peuvent permettre, lorsque ces derniers sont disposés les uns dans les autres, d'obtenir une succession de languettes 15 le long de l'axe commun aux manchons, permettant d'obtenir un grand nombre de points de contact avec la broche du connecteur de type complémentaire 2 lorsque ce dernier est introduit à l'intérieur du logement 16 ménagé dans le petit manchon.Such different lengths of the sleeves 5 can allow, when they are arranged in each other, to obtain a succession of tongues 15 along the axis common to the sleeves, to obtain a large number of contact points with the pin of the complementary type connector 2 when the latter is inserted inside the housing 16 formed in the small sleeve.

Le fût 6 peut présenter une forme généralement tubulaire dont l'axe est commun avec celui du ou des manchons 5 et du corps 4 lorsque le connecteur 1 est assemblé. Ce fût peut présenter une extrémité longitudinale 20 destinée à coopérer avec le corps 4. L'extrémité longitudinale 20 peut être formée par une portion tronconique 21 comportant une paroi recevant le sertissage 22 divergeant de l'axe du fût et une paroi de fond 23 perpendiculaire à l'axe du fût 6. La paroi de fond 23 peut s'étendre tout autour de l'axe du fût et présenter une plus grande dimension transversale, notamment un diamètre, permettant à cette paroi de fond 23 d'être reçue à l'intérieur de l'espace délimité extérieurement par la paroi annulaire 11 du corps 4. Un logement traversant 25 peut être défini dans le fût 6, ce logement 25 s'étendant selon l'axe du fût 6.The barrel 6 may have a generally tubular shape whose axis is common with that of the sleeve or sleeves 5 and the body 4 when the connector 1 is assembled. This shaft may have a longitudinal end 20 intended to cooperate with the body 4. The longitudinal end 20 may be formed by a frustoconical portion 21 having a wall receiving the crimping 22 diverging from the shaft axis and a perpendicular bottom wall 23 to the axis of the shaft 6. The bottom wall 23 may extend all the way around the axis of the shaft and have a larger transverse dimension, in particular a diameter, allowing this bottom wall 23 to be received at the center of the shaft. interior of the space delimited externally by the annular wall 11 of the body 4. A through-housing 25 can be defined in the shank 6, this housing 25 extending along the axis of the shank 6.

Le fût 6 peut s'étendre le long de son axe selon une longueur au moins égale à celle du plus grand manchon 5, ou sur une longueur supérieure à celle du plus grand manchon 5, de façon à assurer à la fois une fonction de protection des manchons 5 et une fonction de guidage du connecteur de type complémentaire 2 lorsque ce dernier est introduit dans le fût 6 pour être connecté au connecteur 1, comme représenté sur les figures 1 et 2.The drum 6 can extend along its axis along a length at least equal to that of the larger sleeve 5, or over a length greater than that of the larger sleeve 5, so as to provide both a protective function sleeves 5 and a guiding function of the complementary type connector 2 when the latter is introduced into the barrel 6 to be connected to the connector 1, as shown in FIGS. Figures 1 and 2 .

On va maintenant décrire en référence aux figures 4 à 12 différentes étapes de l'assemblage du connecteur 1 de la figure 3.We will now describe with reference to Figures 4 to 12 different stages of assembling connector 1 of the figure 3 .

Dans une première étape représentée sur la figure 4, le plus grand manchon 5 est introduit dans un logement 25 ménagé dans le fût 6, ce logement 25 présentant une forme et des dimensions aptes à recevoir ce grand manchon 5. A l'issue de cette étape, comme représenté sur la figure 5, les pattes 17 du grand manchon 5 reposent contre la paroi de fond 23 du fût 6.In a first step represented on the figure 4 , the largest sleeve 5 is introduced into a housing 25 formed in the barrel 6, this housing 25 having a shape and dimensions adapted to receive this large sleeve 5. At the end of this step, as shown on the figure 5 , the tabs 17 of the large sleeve 5 rest against the bottom wall 23 of the barrel 6.

Lors d'une étape ultérieure, représentée à la figure 6, le manchon médian 5 est disposé dans le logement 16 ménagé dans le grand manchon 5. A l'issue de cette étape, les pattes 17 de ce manchon 5 médian reposent contre la paroi de fond 23 du fût 6, le manchon médian 5 étant avantageusement introduit dans le grand manchon 5 de manière à ce que ses pattes 17 ne recouvrent pas celles du grand manchon, c'est-à-dire de manière à ce que les pattes 17 du manchon médian occupent sur le pourtour de la paroi de fond 23 des positions différentes de celles occupées par les pattes du grand manchon 5.In a subsequent step, represented in figure 6 , the median sleeve 5 is disposed in the housing 16 formed in the large sleeve 5. At the end of this step, the lugs 17 of the middle sleeve 5 rest against the bottom wall 23 of the barrel 6, the median sleeve 5 being advantageously introduced into the large sleeve 5 so that its lugs 17 do not overlap those of the large sleeve, that is to say so that the lugs 17 of the median sleeve occupy on the periphery of the bottom wall 23 positions different from those occupied by the legs of the large sleeve 5.

Lors d'une étape suivante représentée à la figure 7, le petit manchon 5 est introduit dans le logement 19 ménagé dans le manchon médian 5. A l'issue de cette étape, comme représenté sur la figure 8, les pattes 17 de chacun des manchons peuvent s'appliquer contre la paroi de fond 23 sans recouvrement les unes les autres, chaque manchon 5 ayant avantageusement été positionné dans le fût 6 pour obtenir ce résultat.In a next step represented in figure 7 , the small sleeve 5 is introduced into the housing 19 formed in the middle sleeve 5. At the end of this step, as shown in FIG. figure 8 , the tabs 17 of each of the sleeves can be applied against the bottom wall 23 without overlapping each other, each sleeve 5 having been advantageously positioned in the barrel 6 to obtain this result.

Lors d'une étape suivante, qui est représentée à la figure 9, le corps 4 est appliqué contre le sous-ensemble « fût-manchons » obtenu à l'issue des étapes précédentes. Lors de cette étape, on amène la portée 10 du corps 4 en appui contre la paroi de fond 23 du fût 6 et la portion tubulaire 7 définissant une extrémité du corps 4 à l'intérieur du logement 19 ménagé dans le petit manchon, comme on peut le voir sur la figure 9.In a next step, which is represented at figure 9 , the body 4 is applied against the subset "barrel-sleeves" obtained at the end of the previous steps. During this step, bring the bearing 10 of the body 4 in abutment against the bottom wall 23 of the barrel 6 and the tubular portion 7 defining one end of the body 4 inside the housing 19 formed in the small sleeve, as one can see it on the figure 9 .

A l'issue de cette étape, comme représenté sur la figure 10, les pattes 17 des manchons 5 sont emprisonnées entre une paroi transversale de la portée 10 du corps 4 et la paroi de fond 23 du fût 6.At the end of this step, as shown on the figure 10 , the lugs 17 of the sleeves 5 are trapped between a transverse wall of the bearing surface 10 of the body 4 and the bottom wall 23 of the barrel 6.

Lors de l'étape suivante, qui est représentée sur les figures 11 et 12, le corps 4 est solidarisé au fût 6 et aux manchons 5. Cette solidarisation consiste dans l'exemple décrit en un sertissage du corps 4 sur le fût 6. La paroi annulaire 11 du corps est par exemple sertie sur la paroi de sertissage 22 de la portion tronconique 21 du fût 6.In the next step, which is represented on the Figures 11 and 12 , the body 4 is secured to the barrel 6 and to the sleeves 5. This joining consists in the example described in a crimping of the body 4 on the barrel 6. The annular wall 11 of the body is for example crimped on the crimping wall 22 of the frustoconical portion 21 of the barrel 6.

A l'issue de cette étape, le connecteur 1 est assemblé comme représenté sur la figure 12, ce qui assure le maintien mécanique des différents éléments du connecteur 1 et l'augmentation des forces de pression entre les manchons 5 et le corps 4. Des microsoudures peuvent intervenir lors de ce sertissage.At the end of this step, the connector 1 is assembled as shown on the figure 12 , which ensures the mechanical maintenance of the various elements of the connector 1 and the increase of the pressure forces between the sleeves 5 and the body 4. Micro-welding may occur during this crimping.

L'invention n'est pas limitée aux deux exemples qui viennent d'être décrits.The invention is not limited to the two examples which have just been described.

L'invention permet ainsi d'obtenir un connecteur adapté à établir une pluralité de points contacts avec un connecteur de type complémentaire, par exemple une broche dont le diamètre est inférieur à 10 mm, par exemple à 6 mm auquel cas le connecteur selon l'invention peut être une douille.The invention thus makes it possible to obtain a connector adapted to establish a plurality of contact points with a connector of complementary type, for example a pin whose diameter is less than 10 mm, for example 6 mm in which case the connector according to the invention. invention can be a socket.

Lorsqu'ils sont assemblés, le connecteur 1 selon l'invention et le connecteur de type complémentaire 2 peuvent présenter une résistance de contact très faible, par exemple inférieure à 0,5 mΩ.When assembled, the connector 1 according to the invention and the complementary type connector 2 may have a very low contact resistance, for example less than 0.5 mΩ.

La force nécessaire à l'accouplement et au désaccouplement des connecteurs 1 et 2 peut être relativement faible, étant par exemple inférieure 10 N, notamment inférieure à7N.The force required for coupling and uncoupling connectors 1 and 2 may be relatively low, being for example less than 10 N, especially less than 7N.

Un connecteur 1 selon l'invention peut être particulièrement résistant à des courants d'intensité importante, notamment à des courants dont l'intensité est supérieure à 10 A.A connector 1 according to the invention can be particularly resistant to currents of high intensity, especially currents whose intensity is greater than 10 A.

L'échauffement induit par la transmission d'un tel courant peut être relativement faible. Dans le cas d'un connecteur transmettant un signal sur trois phases avec un entraxe de 16 mm, lorsque le signal électrique a une valeur efficace de 125 A, l'échauffement après trois heures au niveau de la liaison entre le câble et les broches peut être inférieur à 50°K. Dans l'exemple représenté, la broche du connecteur de type complémentaire comporte un capot isolant.The heating induced by the transmission of such a current can be relatively low. In the case of a connector transmitting a three-phase signal with a center distance of 16 mm, when the electrical signal has an effective value of 125 A, the heating after three hours at the connection between the cable and the pins can be less than 50 ° K. In the example shown, the pin of the complementary type connector comprises an insulating cover.

L'expression « comportant un» peut être comprise comme signifiant « comportant au moins un » sauf lorsque le contraire est spécifié.The expression "comprising a" may be understood as meaning "comprising at least one" unless the opposite is specified.

Claims (12)

Manchon électriquement conducteur (5) pour connecteur électrique (1), le manchon s'étendant autour d'un axe (X) et comportant une première extrémité (12) et une deuxième extrémité (13), la deuxième extrémité étant opposée à la première extrémité (12), au moins une fente (14) étant ménagée dans le manchon (5) et s'étendant depuis la première extrémité (12) en direction de la deuxième extrémité (13),
caractérisé par le fait qu'il comporte au moins une patte (17) s'étendant transversalement, notamment radialement, par rapport à l'axe (X) du manchon.Electrically conductive sleeve (5) for an electrical connector (1), the sleeve extending around an axis (X) and having a first end (12) and a second end (13), the second end being opposed to the first end (12), at least one slot (14) being formed in the sleeve (5) and extending from the first end (12) towards the second end (13),
characterized in that it comprises at least one lug (17) extending transversely, in particular radially, with respect to the axis (X) of the sleeve. Manchon selon la revendication 1, caractérisé par le fait que la patte (17) est réalisée d'une seule pièce avec le reste du manchon.Sleeve according to claim 1, characterized in that the tab (17) is formed in one piece with the rest of the sleeve. Manchon selon la revendication 1 ou 2, caractérisé par le fait que la patte (17) est ménagée au niveau de la deuxième extrémité (13) du manchon (5).Sleeve according to claim 1 or 2, characterized in that the lug (17) is formed at the second end (13) of the sleeve (5). Manchon selon l'une quelconque des revendications 1 à 3, caractérisé par le fait que la patte (17) s'étend transversalement, notamment radialement vers l'extérieur du manchon (5).Sleeve according to any one of claims 1 to 3, characterized in that the lug (17) extends transversely, in particular radially outwardly of the sleeve (5). Manchon selon l'une quelconque des revendications 1 à 4, caractérisé par le fait qu'il comporte plusieurs pattes (17) réparties de façon uniforme autour de l'axe (X) du manchon.Sleeve according to any one of claims 1 to 4, characterized in that it comprises a plurality of tabs (17) distributed uniformly about the axis (X) of the sleeve. Manchon selon l'une quelconque des revendications 1 à 5, comportant au niveau de sa première extrémité (12) une pluralité de fentes (14), deux fentes (14) voisines définissant une languette (15) flexible portant un ou plusieurs points de contact avec un connecteur de type complémentaire.Sleeve according to any one of claims 1 to 5, having at its first end (12) a plurality of slots (14), two slots (14) adjacent defining a tongue (15) flexible bearing one or more contact points with a complementary type connector. Connecteur électrique (1), comportant : - un corps (4), et - un fût (6),
caractérisé par le fait qu'il comporte au moins un manchon (5) selon l'une quelconque des revendications 1 à 6. Electrical connector (1), comprising: a body (4), and - a shaft (6),
characterized in that it comprises at least one sleeve (5) according to any one of claims 1 to 6. Connecteur selon la revendication 7, caractérisé par le fait que la patte (17) du manchon est disposée entre le corps (4) et le fût (6).Connector according to claim 7, characterized in that the lug (17) of the sleeve is disposed between the body (4) and the shank (6). Connecteur selon la revendication 7 ou 8, caractérisé par le fait que le fût (6) comporte un logement (25) à l'intérieur duquel le manchon (5) est disposé.Connector according to claim 7 or 8, characterized in that the shaft (6) has a housing (25) inside which the sleeve (5) is arranged. Connecteur selon l'une quelconque des revendications 7 à 9, caractérisé par le fait qu'il comporte au moins deux manchons (5), ces deux manchons (5) ayant des dimensions différentes, de manière à ce qu'un manchon (5) puisse être reçu à l'intérieur de l'autre manchon.Connector according to any one of claims 7 to 9, characterized in that it comprises at least two sleeves (5), these two sleeves (5) having different dimensions, so that a sleeve (5) can be received inside the other sleeve. Connecteur selon la revendication 10, chaque manchon (5) comportant le même nombre de pattes (17).Connector according to claim 10, each sleeve (5) having the same number of tabs (17). Connecteur selon la revendication 10 ou 11, caractérisé par le fait que les manchons (5) sont disposés à l'intérieur du fût (6) de manière à ce que d'un manchon (5) à l'autre, les pattes (17) n'occupent pas une même position sur le pourtour du fût (6).Connector according to Claim 10 or 11, characterized in that the sleeves (5) are arranged inside the shank (6) so that from one sleeve (5) to the other, the lugs (17) ) do not occupy the same position on the perimeter of the shaft (6).
EP12150769.3A 2011-01-14 2012-01-11 Sleeve for electrical connector and method for assembling same Active EP2477278B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1150317A FR2970605B1 (en) 2011-01-14 2011-01-14 SLEEVE FOR ELECTRICAL CONNECTOR AND METHOD FOR ASSEMBLING SAME.

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EP2477278A1 true EP2477278A1 (en) 2012-07-18
EP2477278B1 EP2477278B1 (en) 2016-05-11

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ID=44246125

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EP12150769.3A Active EP2477278B1 (en) 2011-01-14 2012-01-11 Sleeve for electrical connector and method for assembling same

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US (1) US8597065B2 (en)
EP (1) EP2477278B1 (en)
CN (1) CN102593638A (en)
FR (1) FR2970605B1 (en)

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JP6053613B2 (en) * 2013-06-07 2016-12-27 矢崎総業株式会社 Female terminal
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KR20210138998A (en) * 2020-05-13 2021-11-22 삼성에스디아이 주식회사 Battery pack
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CN113844294A (en) * 2021-11-30 2021-12-28 张家港友诚新能源科技股份有限公司 Liquid-cooled rifle head in rifle charges

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Also Published As

Publication number Publication date
EP2477278B1 (en) 2016-05-11
CN102593638A (en) 2012-07-18
US20120184158A1 (en) 2012-07-19
US8597065B2 (en) 2013-12-03
FR2970605A1 (en) 2012-07-20
FR2970605B1 (en) 2013-02-08

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