EP0637045A1 - Electrical connecting device, especially for high current passage - Google Patents

Electrical connecting device, especially for high current passage Download PDF

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Publication number
EP0637045A1
EP0637045A1 EP94401663A EP94401663A EP0637045A1 EP 0637045 A1 EP0637045 A1 EP 0637045A1 EP 94401663 A EP94401663 A EP 94401663A EP 94401663 A EP94401663 A EP 94401663A EP 0637045 A1 EP0637045 A1 EP 0637045A1
Authority
EP
European Patent Office
Prior art keywords
module
housing
fuse
female
female terminal
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
EP94401663A
Other languages
German (de)
French (fr)
Other versions
EP0637045B1 (en
Inventor
Christian Alvergnat
Philippe Chollet
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.)
Proner Comatel SA
Original Assignee
Proner Comatel 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 Proner Comatel SA filed Critical Proner Comatel SA
Publication of EP0637045A1 publication Critical patent/EP0637045A1/en
Application granted granted Critical
Publication of EP0637045B1 publication Critical patent/EP0637045B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/436—Securing a plurality of contact members by one locking piece or operation
    • H01R13/4367—Insertion of locking piece from the rear
    • H01R13/4368—Insertion of locking piece from the rear comprising a temporary and a final locking position
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/20—Bases for supporting the fuse; Separate parts thereof
    • H01H85/205—Electric connections to contacts on the base
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/20—Bases for supporting the fuse; Separate parts thereof
    • H01H85/203—Bases for supporting the fuse; Separate parts thereof for fuses with blade type terminals
    • H01H85/2035—Bases for supporting the fuse; Separate parts thereof for fuses with blade type terminals for miniature fuses with parallel side contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/20—Bases for supporting the fuse; Separate parts thereof
    • H01H85/2045—Mounting means or insulating parts of the base, e.g. covers, casings

Definitions

  • the invention relates to an electrical connection device, in particular for the passage of strong currents.
  • electrical currents of relatively high intensity generally less than 100 A, are used in the electrical starting circuits of vehicles.
  • the invention aims to improve the mounting of electric fuses, so as to ensure higher reliability and efficiency, allowing in particular a direct mounting under vehicle hoods of fuses with a rated breaking current close to 100 A.
  • the invention relates to an electrical connection device, in particular for the passage of strong currents, of the type comprising a fuse and two female lugs crimped on power cables cooperating with said fuse, characterized in that the device comprises a module connection connection with a housing between two positions, the first of which corresponds to the passage of the female lugs through the housing and the module to a position of latching of the female lugs with the module, and the second corresponds to the displacement of the module towards inside the housing to a locking position for the female lugs.
  • Figure 1 shows a schematic exploded perspective view of the device according to the invention.
  • FIG. 2 shows a schematic view in partial cross section along the line II-II of Figure 1, of a device according to the invention, assembled.
  • FIG 3 shows a schematic view in longitudinal section along the line III-III of Figure 2, of a device according to the invention.
  • FIG. 4 represents a schematic view of a female terminal usable in the device according to the invention.
  • FIG. 5 represents a schematic view in longitudinal section illustrating the operation of an alternative embodiment of the invention.
  • FIG. 6 represents a partial schematic view of a device element according to the invention.
  • Figure 7 shows a schematic sectional view along line VII-VII of Figure 6 of a device element according to the invention.
  • a connection device compatible in particular with a fuse 1 of a type known for high current, comprises a housing 2, a connection module 3, a cover 4 and a retaining element 5, intended to be assembled to each other by snap-fastening.
  • connection module 3 and the fuse 1 are trapped inside an envelope formed by assembling the cover 4 with the housing 2, while female lugs 6a, 6b crimped at the end of cables supply 7a, 7b provided with annular seals 8a, 8b for sealing and holding are snapped inside the connection module 3, the cables 7a, 7b, carrying the female lugs 6a, 6b being mechanically held by the retainer 5.
  • the cover 4 comprises two elastic levers 9a, 9b carrying lugs cooperating with corresponding conformations 10a, 10b of the housing 2, so as to snap the cover 4 with the housing 2 by simple pushing and to release the cover 4 by depression of the ends 11a, 11b of the levers 9a, 9b and by simple pulling upwards.
  • the levers 9a, 9b are mounted in protective housings preventing any accidental release of the cover 4 and may comprise, in a preferred embodiment, metal blades which spring out to apply the aforementioned pins under the conformations 10a, 10b.
  • a housing 12 for a seal is provided in the cover 4 to prevent any unwanted penetration of liquids, greases, or other dirt.
  • a hooking element 13 is provided on the housing 2 to fix the device according to the invention to the body of a vehicle comprising strips, plates or fixing lugs. The hooking element 13 can also be fixed on the housing of another connection device of the same type.
  • a peripheral edge 14 capable of receiving a sealing means cooperates with corresponding conformations 15a, 15b of the retaining element 5 to effect the locking of the retaining element 5 on the housing 2.
  • connection module 3 comprises flexible tabs 16a, 16b, provided with lugs intended to hang in corresponding recesses 17a, 17b formed in the female lugs 6a, 6b so as to secure these female lugs 6a, 6b with the connection module 3 before inserting the fuse 1 in these female lugs 6a, 6b.
  • the lugs 6 are preferably of the type with four flexible contact strips 18 having a raised edge formed by bending two edges 19a, 19b at right angles located opposite the contact strips 18 relative to the attachment recess 17.
  • the four strips 18 are of the offset type, which places the connection device according to the invention in the soft plug-in technology.
  • the two edges 19a, 19b stiffen the female terminal 6 and constitute a stop surface protecting the contact strips 18 when the metal conductor 20 is injected or covered with an insulating sealing paste or an equivalent viscous product. .
  • the crimping 21 of the insulator 22 is carried out overlapping, which allows the female lug 6 to be used with cables of different external diameters, in particular cables of the "high” class. temperature "(-40 to + 135 ° C.), while the crimping of the conductor 20 is carried out by means of pliers 23 so as to compress the strands of conductor and ensure electrical contact with all the strands simultaneously.
  • the retaining element 5 is fixed to the housing 2 by the cooperation of the corresponding bearing surfaces 14, 15 so as to compress the seal 8 and to hold the cable 7 to prevent the transmission of external forces to the terminal 6, while the cover 4 covers the edge 24 of the housing 2 by compressing a seal 12.
  • an alternative embodiment of the invention adaptable to blocks grouping several connection modules 3 comprises a housing 2 having a housing per module 3 corresponding.
  • a guide surface 30 aligns the female terminal 6 with the direction of insertion symbolized by the arrow of reference A.
  • the female terminal 6 pushes back a first flexible blade 31 whose head 32 disappears in a housing 33 while pivoting in the direction of arrow B.
  • the female terminal 6 continues to progress until its housing 17 hooks into the lug of the flexible tab 16: the female terminal 6 is then snapped on, but can still be released by traction in the opposite direction to the arrow A, if the tongue 16 is raised using a tool.
  • connection module 3 By pushing the connection module 3 inside the housing 2 in the direction of arrow C, the connection module 3 progresses by a distance corresponding to the progression of the retaining notch 34 which emerges from the housing 35 to penetrate into the housing 36. Having completed this stroke, the head of the flexible blade 31 is in abutment on the surface 37 and constitutes a rear stop preventing the release of the female terminal 6, shown in dotted lines; the female terminal 6 is then completely locked and can no longer be released by pulling on the cable 21 in the direction opposite to the arrow A.
  • the flexible blade 31 remains biased towards the outside by the female lug 6.
  • the head 32 of the blade 31 remains in the housing 33. If the module 3 is then pushed back into the housing 2, the head 32 abuts on the bottom of the housing 33 and prevents the progression of the module 3 in the housing 2.
  • a stop 60 is provided in the housing 2 to limit the translation of the module 3 in the direction of the arrow C and ensure that the retaining catch 34 engages well in the housing 36.
  • the conformation of the retaining catch 34 is such that any translational movement in the opposite direction to that of arrow C is prevented if the retaining notch has not been previously inserted by means of a tool of the screwdriver type.
  • a single cover is produced, for example, covering several connection modules 3 or a single retaining element trapping two rows of cable 21.
  • a retaining element 5 of the device according to the invention is constituted by means of two identical parts 50 assembled by snap-fitting according to a longitudinal plane of symmetry passing substantially through the diameters of the cables 7 to be maintained.
  • Each part 50 comprises a flexible latching blade 51 provided with a head 52 forming a retaining lug and two recessed housings 53 and 54 of corresponding conformation.
  • the flexible blade 51 of one part 50 cooperates with the housings 53 and 54 of the other part 50, so as to provide a first holding position shown in dotted lines and a second definitive closing position not shown, in which the parts are joined to each other according to their plane of symmetry.
  • the parts 50 are integral with one another, but spaced apart by a distance allowing lateral insertion in the direction of arrow D of the cables 7 for power supply.
  • each part 50 comprises two guide bars 55, 56 and two corresponding holes 57, 58: each bar 55 or 56 of a part 50 cooperates with a hole 57 or 58 of the other part 50.
  • Sealing around the cables 21 can be ensured using a unitary seal 8, but also by injection of hot-melt resin so as to constitute a plug.
  • the sealing around the cables 7 and their maintenance can be ensured by overmolding of a resin, for example, or well by provision on the cables of a hot-melt sleeve, and by covering the cables and the peripheral edge 14 of the housing 2 by means of a heat-shrinkable sheath.

Abstract

An electrical connection device, especially for passing heavy current, of the type including a fuse and two female terminals crimped onto power supply cables interacting with the said fuse. The device includes a connection module 3 clipped in with a box 2 between two positions, the first of which corresponds to the female terminals 6 passing through the box 2 and the module 3 to a position where the female terminals 6 are clipped into the module, and the second corresponds to the movement of the module 3 towards the interior of the box 2 up to a position for latching the female terminals 6 by an end piece 32 integral with the module 3. <IMAGE>

Description

L'invention est relative à un dispositif de connexion électrique, notamment pour le passage de courants forts.The invention relates to an electrical connection device, in particular for the passage of strong currents.

Dans le domaine automobile, on utilise dans les circuits électriques de démarrage des véhicules, des courants électriques d'intensité relativement importante, généralement inférieure à 100 A.In the automotive field, electrical currents of relatively high intensity, generally less than 100 A, are used in the electrical starting circuits of vehicles.

Pour interrompre ces courants et assurer la sécurité du matériel, on prévoit d'insérer dans les circuits électriques précités, au moins un fusible de sécurité.To interrupt these currents and ensure the safety of the equipment, provision is made to insert into the aforementioned electrical circuits, at least one safety fuse.

Ces fusibles connus se présentent extérieurement sous la forme d'un parallélépipède isolant sur sa surface extérieure, sur une face duquel débouchent des languettes plates conductrices, constituant les extrémités de connexion du fusible.These known fuses are externally in the form of an insulating parallelepiped on its outer surface, on one face of which open conductive tabs, constituting the connection ends of the fuse.

Jusqu'à présent, ces fusibles connus, étaient implantés dans des boîtiers connus, en raison du fait que leurs languettes de connexion correspondaient aux dimensions normalisées de tous les fusibles d'intensité nominale de coupure, inférieure à 30 A.Until now, these known fuses were installed in known boxes, due to the fact that their connection tabs corresponded to the standardized dimensions of all fuses with rated breaking current, less than 30 A.

La tendance va actuellement vers l'augmentation des intensités nominales de coupure, ce qui interdit l'utilisation des boîtiers connus qui ne répondent pas aux contraintes imposées par l'utilisation de courants forts, provoquant un échauffement important et par l'utilisation de languettes de connexion de dimensions importantes provoquant des contraintes mécaniques plus importantes.The trend is currently going towards increasing the nominal breaking intensities, which prohibits the use of known boxes which do not meet the constraints imposed by the use of strong currents, causing significant heating and by the use of tongues. connection of large dimensions causing greater mechanical stress.

L'invention a pour but de perfectionner le montage des fusibles électriques, de manière à assurer une fiabilité et une efficacité supérieures, permettant en particulier un montage direct sous le capot des véhicules, de fusibles d'intensité nominale de coupure voisine de 100 A.The invention aims to improve the mounting of electric fuses, so as to ensure higher reliability and efficiency, allowing in particular a direct mounting under vehicle hoods of fuses with a rated breaking current close to 100 A.

L'invention a pour objet un dispositif de connexion électrique, notamment pour le passage de courants forts, du type comportant un fusible et deux cosses femelles serties sur des câbles d'alimentation coopérant avec ledit fusible, caractérisé en ce que le dispositif comporte un module de connexion encliqueté avec un boîtier entre deux positions, dont la première correspond au passage des cosses femelles à travers le boîtier et le module jusqu'à une position d'encliquetage des cosses femelles avec le module, et la deuxième correspond au déplacement du module vers l'intérieur du boîtier jusqu'à une position de verrouillage des cosses femelles.The invention relates to an electrical connection device, in particular for the passage of strong currents, of the type comprising a fuse and two female lugs crimped on power cables cooperating with said fuse, characterized in that the device comprises a module connection connection with a housing between two positions, the first of which corresponds to the passage of the female lugs through the housing and the module to a position of latching of the female lugs with the module, and the second corresponds to the displacement of the module towards inside the housing to a locking position for the female lugs.

Selon des caractéristiques additionnelles de l'invention :

  • le dispositif comporte en outre un capot coiffant le fusible et le module par encliquetage avec le boîtier ;
  • le dispositif comporte un élément de retenue enserrant les câbles d'alimentation ;
  • le module comporte au moins une lame d'encliquetage avec un ergot apte à s'accrocher dans un logement ménagé dans une cosse femelle pour la solidariser avec le module ;
  • le boîtier comporte une surface de guidage pour guider la cosse femelle selon le sens d'insertion, et la cosse femelle repousse une tête solidaire du module pour l'effacer dans un logement solidaire du boîtier avant d'arriver à ladite première position d'encliquetage ;
  • la tête du module vient en appui sur une paroi solidaire du boîtier pour constituer une butée arrière empêchant le retrait de la cosse femelle ;
  • le verrouillage de la cosse femelle est assuré par une butée solidaire du module ;
  • l'élément de retenue est constitué par coopération de deux parties venant en accolement le long du plan diamétral commun aux câbles enserrés ;
  • les deux parties coopèrent selon deux positions d'encliquetage, dont la première correspond à une séparation permettant l'introduction latérale des câbles d'alimentation et la seconde à l'accolement plan et au maintien desdits câbles ;
  • chaque partie comporte un barreau de guidage et un trou correspondant pour le guidage relatif à coulissement des deux parties entre elles ;
  • chaque cosse femelle comporte quatre lamelles de contact électrique avec le fusible ;
  • les quatre lamelles sont du type à déport pour assurer l'enfichage doux du fusible.
According to additional features of the invention:
  • the device further comprises a cover covering the fuse and the module by snap-fastening with the housing;
  • the device comprises a retaining element enclosing the power cables;
  • the module comprises at least one latching blade with a lug adapted to hang in a housing formed in a female terminal to secure it with the module;
  • the housing has a guide surface for guiding the female lug in the direction of insertion, and the female lug pushes a head secured to the module to erase it in a housing secured to the housing before arriving at said first latching position ;
  • the module head comes to bear on a wall integral with the housing to form a rear stop preventing the withdrawal of the female terminal;
  • the locking of the female terminal is ensured by a stop integral with the module;
  • the retaining element is formed by the cooperation of two parts coming into abutment along the diametrical plane common to the enclosed cables;
  • the two parts cooperate in two latching positions, the first of which corresponds to a separation allowing the lateral introduction of the power cables and the second to the planar abutment and to the maintenance of said cables;
  • each part comprises a guide bar and a corresponding hole for the guide relative to the sliding of the two parts together;
  • each female terminal has four strips of electrical contact with the fuse;
  • the four blades are of the offset type to ensure smooth insertion of the fuse.

L'invention sera mieux comprise grâce à la description qui va suivre, donnée à titre d'exemple non limitatif au regard des dessins annexés dans lesquels :The invention will be better understood thanks to the description which follows, given by way of nonlimiting example with regard to the appended drawings in which:

La figure 1 représente une vue schématique en perspective éclatée du dispositif selon l'invention.Figure 1 shows a schematic exploded perspective view of the device according to the invention.

La figure 2 représente une vue schématique en coupe transversale partielle selon la ligne II-II de la figure 1, d'un dispositif selon l'invention, assemblé.2 shows a schematic view in partial cross section along the line II-II of Figure 1, of a device according to the invention, assembled.

La figure 3 représente une vue schématique en coupe longitudinale selon la ligne III-III de la figure 2, d'un dispositif selon l'invention.3 shows a schematic view in longitudinal section along the line III-III of Figure 2, of a device according to the invention.

La figure 4 représente une vue schématique d'une cosse femelle utilisable dans le dispositif selon l'invention.FIG. 4 represents a schematic view of a female terminal usable in the device according to the invention.

La figure 5 représente une vue schématique en coupe longitudinale illustrant le fonctionnement d'une variante de réalisation de l'invention.FIG. 5 represents a schematic view in longitudinal section illustrating the operation of an alternative embodiment of the invention.

La figure 6 représente une vue schématique partielle d'un élément de dispositif selon l'invention.FIG. 6 represents a partial schematic view of a device element according to the invention.

La figure 7 représente une vue schématique en coupe selon la ligne VII-VII de la figure 6 d'un élément de dispositif selon l'invention.Figure 7 shows a schematic sectional view along line VII-VII of Figure 6 of a device element according to the invention.

En référence à la figure 1, un dispositif de connexion selon l'invention compatible en particulier avec un fusible 1 de type connu pour courant fort, comporte un boîtier 2, un module de connexion 3, un capot 4 et un élément de retenue 5, destinés à être assemblés les uns aux autres par encliquetage.With reference to FIG. 1, a connection device according to the invention compatible in particular with a fuse 1 of a type known for high current, comprises a housing 2, a connection module 3, a cover 4 and a retaining element 5, intended to be assembled to each other by snap-fastening.

Après montage par encliquetage, le module de connexion 3 et le fusible 1 sont emprisonnés à l'intérieur d'une enveloppe constituée par assemblage du capot 4 avec le boîtier 2, tandis que des cosses femelles 6a, 6b serties à l'extrémité de câbles d'alimentation 7a, 7b munis de joints annulaires 8a, 8b d'étanchéité et de maintien sont encliquetées à l'intérieur du module de connexion 3, les câbles 7a, 7b, portant les cosses femelles 6a, 6b étant maintenus mécaniquement par l'élément de retenue 5.After snap-in mounting, the connection module 3 and the fuse 1 are trapped inside an envelope formed by assembling the cover 4 with the housing 2, while female lugs 6a, 6b crimped at the end of cables supply 7a, 7b provided with annular seals 8a, 8b for sealing and holding are snapped inside the connection module 3, the cables 7a, 7b, carrying the female lugs 6a, 6b being mechanically held by the retainer 5.

A cet effet, le capot 4 comporte deux leviers élastiques 9a, 9b portant des ergots coopérant avec des conformations correspondantes 10a, 10b du boîtier 2, de manière à encliqueter le capot 4 avec le boîtier 2 par simple poussée et à dégager le capot 4 par enfoncement des extrémités 11a, 11b des leviers 9a, 9b et par simple traction vers le haut.For this purpose, the cover 4 comprises two elastic levers 9a, 9b carrying lugs cooperating with corresponding conformations 10a, 10b of the housing 2, so as to snap the cover 4 with the housing 2 by simple pushing and to release the cover 4 by depression of the ends 11a, 11b of the levers 9a, 9b and by simple pulling upwards.

Les leviers 9a, 9b sont montés dans des logements de protection interdisant tout dégagement accidentel du capot 4 et peuvent comporter, dans une variante de réalisation préférée, des lames métalliques faisant ressort pour appliquer les ergots précités sous les conformations 10a, 10b. Un logement 12 pour un joint d'étanchéité est prévu dans le capot 4 pour empêcher toute pénétration non désirée de liquides, graisses, ou autres salissures. Un élément d'accrochage 13 est prévu sur le boîtier 2 pour fixer le dispositif selon l'invention à la carrosserie d'un véhicule comportant des réglettes, plaquettes ou pattes de fixation. L'élément d'accrochage 13 peut également se fixer sur le boîtier d'un autre dispositif de connexion du même type. A l'extrémité du boîtier 2, opposée au capot 4, une bordure périphérique 14 apte à recevoir un moyen d'étanchéité coopère avec des conformations correspondantes 15a, 15b de l'élément de retenue 5 pour effectuer le verrouillage de l'élément de retenue 5 sur le boîtier 2.The levers 9a, 9b are mounted in protective housings preventing any accidental release of the cover 4 and may comprise, in a preferred embodiment, metal blades which spring out to apply the aforementioned pins under the conformations 10a, 10b. A housing 12 for a seal is provided in the cover 4 to prevent any unwanted penetration of liquids, greases, or other dirt. A hooking element 13 is provided on the housing 2 to fix the device according to the invention to the body of a vehicle comprising strips, plates or fixing lugs. The hooking element 13 can also be fixed on the housing of another connection device of the same type. At the end of the housing 2, opposite the cover 4, a peripheral edge 14 capable of receiving a sealing means cooperates with corresponding conformations 15a, 15b of the retaining element 5 to effect the locking of the retaining element 5 on the housing 2.

En référence aux figures 1 et 2, le module de connexion 3 comporte des pattes flexibles 16a, 16b, munies d'ergots destinés à s'accrocher dans des évidements correspondants 17a, 17b formés dans les cosses femelles 6a, 6b de manière à solidariser ces cosses femelles 6a, 6b avec le module de connexion 3 avant d'enficher le fusible 1 dans ces cosses femelles 6a, 6b.Referring to Figures 1 and 2, the connection module 3 comprises flexible tabs 16a, 16b, provided with lugs intended to hang in corresponding recesses 17a, 17b formed in the female lugs 6a, 6b so as to secure these female lugs 6a, 6b with the connection module 3 before inserting the fuse 1 in these female lugs 6a, 6b.

En référence aux figures 1 à 4, les cosses 6 sont de préférence du type à quatre lamelles flexibles 18 de contact comportant un bord relevé constitué par pliage à l'équerre de deux bords 19a, 19b situés à l'opposé des lamelles de contact 18 par rapport à l'évidement d'accrochage 17.With reference to FIGS. 1 to 4, the lugs 6 are preferably of the type with four flexible contact strips 18 having a raised edge formed by bending two edges 19a, 19b at right angles located opposite the contact strips 18 relative to the attachment recess 17.

Les quatre lamelles 18 sont du type à déport, ce qui place le dispositif de connexion selon l'invention dans la technologie de l'enfichage doux.The four strips 18 are of the offset type, which places the connection device according to the invention in the soft plug-in technology.

Les deux bords 19a, 19b rigidifient la cosse femelle 6 et constituent une surface d'arrêt protégeant les lamelles de contact 18 lorsque l'on injecte ou recouvre le conducteur métallique 20 d'une pâte isolante d'étanchéité ou d'un produit visqueux équivalent.The two edges 19a, 19b stiffen the female terminal 6 and constitute a stop surface protecting the contact strips 18 when the metal conductor 20 is injected or covered with an insulating sealing paste or an equivalent viscous product. .

De préférence, le sertissage 21 de l'isolant 22 est effectué à recouvrement, ce qui permet d'utiliser la cosse femelle 6 avec des câbles de diamètres extérieurs différents, notamment des câbles de classe "haute température" (-40 à +135° C), tandis que le sertissage du conducteur 20 est effectué au moyen d'une pince 23 de manière à comprimer les brins de conducteur et assurer le contact électrique avec tous les brins simultanément.Preferably, the crimping 21 of the insulator 22 is carried out overlapping, which allows the female lug 6 to be used with cables of different external diameters, in particular cables of the "high" class. temperature "(-40 to + 135 ° C.), while the crimping of the conductor 20 is carried out by means of pliers 23 so as to compress the strands of conductor and ensure electrical contact with all the strands simultaneously.

L'élément de retenue 5 est fixé au boîtier 2 par la coopération des portées correspondantes 14, 15 de manière à comprimer le joint d'étanchéité 8 et à maintenir le câble 7 pour empêcher la transmission des efforts extérieurs à la cosse 6, tandis que le capot 4 coiffe la bordure 24 du boîtier 2 en comprimant un joint 12 d'étanchéité.The retaining element 5 is fixed to the housing 2 by the cooperation of the corresponding bearing surfaces 14, 15 so as to compress the seal 8 and to hold the cable 7 to prevent the transmission of external forces to the terminal 6, while the cover 4 covers the edge 24 of the housing 2 by compressing a seal 12.

En référence à la figure 5, une variante de réalisation de l'invention adaptable sur des blocs groupant plusieurs modules de connexion 3 comprend un boîtier 2 comportant un logement par module 3 correspondant.Referring to Figure 5, an alternative embodiment of the invention adaptable to blocks grouping several connection modules 3 comprises a housing 2 having a housing per module 3 corresponding.

Lors de l'insertion de la cosse femelle 6 dans le boîtier 2, une surface de guidage 30 aligne la cosse femelle 6 avec le sens d'insertion symbolisé par la flèche de repère A.When inserting the female terminal 6 into the housing 2, a guide surface 30 aligns the female terminal 6 with the direction of insertion symbolized by the arrow of reference A.

En progressant dans le sens A, la cosse femelle 6 repousse une première lame flexible 31 dont la tête 32 s'efface dans un logement 33 en pivotant dans le sens de la flèche B.While progressing in direction A, the female terminal 6 pushes back a first flexible blade 31 whose head 32 disappears in a housing 33 while pivoting in the direction of arrow B.

A raison de cet effacement, la cosse femelle 6 continue à progresser jusqu'à ce que son logement 17 s'accroche dans l'ergot de la patte flexible 16 : la cosse femelle 6 est alors encliquetée, mais peut encore être dégagée par traction dans le sens opposé à la flèche A, si l'on soulève la languette 16 à l'aide d'un outil.Because of this erasure, the female terminal 6 continues to progress until its housing 17 hooks into the lug of the flexible tab 16: the female terminal 6 is then snapped on, but can still be released by traction in the opposite direction to the arrow A, if the tongue 16 is raised using a tool.

En poussant le module de connexion 3 à l'intérieur du boîtier 2 dans le sens de la flèche C, le module de connexion 3 progresse d'une distance correspondant à la progression du cran de retenue 34 qui se dégage du logement 35 pour pénétrer dans le logement 36. En ayant accompli cette course, la tête de la lame flexible 31 se trouve en appui sur la surface 37 et constitue une butée arrière empêchant le dégagement de la cosse femelle 6, représentée en traits pointillés ; la cosse femelle 6 est alors complètement verrouillée et ne peut plus se dégager par traction sur le câble 21 dans le sens opposé à la flèche A.By pushing the connection module 3 inside the housing 2 in the direction of arrow C, the connection module 3 progresses by a distance corresponding to the progression of the retaining notch 34 which emerges from the housing 35 to penetrate into the housing 36. Having completed this stroke, the head of the flexible blade 31 is in abutment on the surface 37 and constitutes a rear stop preventing the release of the female terminal 6, shown in dotted lines; the female terminal 6 is then completely locked and can no longer be released by pulling on the cable 21 in the direction opposite to the arrow A.

Si la cosse femelle 6 n'est pas mise en place correctement, c'est-à-dire n'est pas encliquetée par suite d'une course de progression insuffisante, la lame flexible 31 reste sollicitée vers l'extérieur par la cosse femelle 6. La tête 32 de la lame 31 reste dans le logement 33. Si le module 3 est alors repoussé dans le boîtier 2, la tête 32 bute sur le fond du logement 33 et empêche la progression du module 3 dans le boîtier 2.If the female lug 6 is not positioned correctly, that is to say is not snapped due to an insufficient progression stroke, the flexible blade 31 remains biased towards the outside by the female lug 6. The head 32 of the blade 31 remains in the housing 33. If the module 3 is then pushed back into the housing 2, the head 32 abuts on the bottom of the housing 33 and prevents the progression of the module 3 in the housing 2.

Le défaut d'encliquetage de la cosse femelle 6 est ainsi détecté au cours de l'opération de verrouillage du module 3 dans le boîtier 2.The failure to snap on the female terminal 6 is thus detected during the locking operation of the module 3 in the housing 2.

Une butée 60 est prévue dans le boîtier 2 pour limiter la translation du module 3 dans le sens de la flèche C et assurer que le cran de retenue 34 s'engage bien dans le logement 36. En outre, la conformation du cran de retenue 34 est telle que tout mouvement de translation dans le sens opposé à celui de la flèche C est empêché si le cran de retenue n'a pas été préalablement enfoncé au moyen d'un outil du genre tournevis.A stop 60 is provided in the housing 2 to limit the translation of the module 3 in the direction of the arrow C and ensure that the retaining catch 34 engages well in the housing 36. In addition, the conformation of the retaining catch 34 is such that any translational movement in the opposite direction to that of arrow C is prevented if the retaining notch has not been previously inserted by means of a tool of the screwdriver type.

Dans cette variante de réalisation, on réalise par exemple un capot unique, coiffant plusieurs modules de connexion 3 ou un élément de retenue unique emprisonnant deux rangées de câble 21.In this variant embodiment, a single cover is produced, for example, covering several connection modules 3 or a single retaining element trapping two rows of cable 21.

Cette structure modulaire envisagée par l'invention se déduit par répétition de la structure décrite précédemment en référence aux figures 1 à 4.This modular structure envisaged by the invention is deduced by repeating the structure described above with reference to FIGS. 1 to 4.

En référence aux figures 6 et 7, un élément de retenue 5 de dispositif selon l'invention est constitué au moyen de deux parties identiques 50 assemblées par encliquetage selon un plan de symétrie longitudinal passant sensiblement par les diamètres des câbles 7 à maintenir.With reference to FIGS. 6 and 7, a retaining element 5 of the device according to the invention is constituted by means of two identical parts 50 assembled by snap-fitting according to a longitudinal plane of symmetry passing substantially through the diameters of the cables 7 to be maintained.

Chaque partie 50 comporte une lame flexible 51 d'encliquetage munie d'une tête 52 formant ergot de retenue et deux logements en creux 53 et 54 de conformation correspondante. La lame flexible 51 d'une partie 50 coopère avec les logements 53 et 54 de l'autre partie 50, de manière à procurer une première position de maintien représentée en traits pointillés et une deuxième position de fermeture définitive non représentée, dans laquelle les parties sont accolées l'une à l'autre suivant leur plan de symétrie.Each part 50 comprises a flexible latching blade 51 provided with a head 52 forming a retaining lug and two recessed housings 53 and 54 of corresponding conformation. The flexible blade 51 of one part 50 cooperates with the housings 53 and 54 of the other part 50, so as to provide a first holding position shown in dotted lines and a second definitive closing position not shown, in which the parts are joined to each other according to their plane of symmetry.

Dans la première position de maintien, les parties 50 sont solidaires l'une de l'autre, mais écartées d'une distance permettant l'insertion latérale dans le sens de la flèche D des câbles 7 d'alimentation électrique.In the first holding position, the parts 50 are integral with one another, but spaced apart by a distance allowing lateral insertion in the direction of arrow D of the cables 7 for power supply.

Avantageusement, de manière à limiter l'effort oblique appliqué aux lames d'encliquetage 51 et à éviter leur torsion, chaque partie 50 comporte deux barreaux 55, 56 de guidage et deux trous 57, 58 correspondants : chaque barreau 55 ou 56 d'une partie 50 coopère avec un trou 57 ou 58 de l'autre partie 50.Advantageously, so as to limit the oblique force applied to the latching blades 51 and to prevent them from twisting, each part 50 comprises two guide bars 55, 56 and two corresponding holes 57, 58: each bar 55 or 56 of a part 50 cooperates with a hole 57 or 58 of the other part 50.

L'étanchéité autour des câbles 21 peut être assurée à l'aide d'un joint unitaire 8, mais également par injection de résine thermofusible de manière à constituer un bouchon. En variante de réalisation selon l'ivention, il est possible de ne pas utiliser l'élément de retenur 5. Dans ce cas l'étanchéité autour des câbles 7 et leur maintien peuvent être assurés par surmoulage d'une résine, par exemple, ou bien par disposition sur les câbles d'un manchon thermofusible, et par recouvrement des câbles et de la bordure périphérique 14 du boîtier 2 au moyen d'une gaîne thermo-rétractable.Sealing around the cables 21 can be ensured using a unitary seal 8, but also by injection of hot-melt resin so as to constitute a plug. In an alternative embodiment according to the invention, it is possible not to use the retaining element 5. In this case the sealing around the cables 7 and their maintenance can be ensured by overmolding of a resin, for example, or well by provision on the cables of a hot-melt sleeve, and by covering the cables and the peripheral edge 14 of the housing 2 by means of a heat-shrinkable sheath.

Claims (12)

Dispositif de connexion électrique, notamment pour le passage de courants forts, du type comportant un fusible et deux cosses femelles serties sur des câbles d'alimentation coopérant avec ledit fusible, caractérisé en ce que le dispositif comporte un module de connexion (3) encliqueté avec un boîtier (2) entre deux positions, dont la première correspond au passage des cosses femelles (6) à travers le boîtier (2) et le module (3) jusqu'à une position d'encliquetage des cosses femelles (6) avec le module (3), et la deuxième correspond au déplacement du module (3) vers l'intérieur du boîtier (2) jusqu'à une position de verrouillage des cosses femelles (6).Electrical connection device, in particular for the passage of strong currents, of the type comprising a fuse and two female lugs crimped on power cables cooperating with said fuse, characterized in that the device comprises a connection module (3) snapped in with a housing (2) between two positions, the first of which corresponds to the passage of the female lugs (6) through the housing (2) and the module (3) to a position for latching the female lugs (6) with the module (3), and the second corresponds to the displacement of the module (3) towards the interior of the housing (2) to a locking position of the female lugs (6). Dispositif selon la revendication 1, caractérisé en ce que le dispositif comporte en outre un capot (4) coiffant le fusible (1) et le module (3) par encliquetage avec le boîtier (2).Device according to claim 1, characterized in that the device further comprises a cover (4) covering the fuse (1) and the module (3) by snap-fastening with the housing (2). Dispositif selon la revendication 1 ou la revendication 2, caractérisé en ce que le dispositif comporte un élément de retenue (5) enserrant les câbles d'alimentation (7a, 7b).Device according to claim 1 or claim 2, characterized in that the device comprises a retaining element (5) enclosing the supply cables (7a, 7b). Dispositif selon l'une des revendications précédentes, caractérisé en ce que le module (3) comporte au moins une lame d'encliquetage (16) avec un ergot apte à s'accrocher dans un logement ménagé dans une cosse femelle (6) pour la solidariser avec le module (3).Device according to one of the preceding claims, characterized in that the module (3) comprises at least one latching blade (16) with a lug capable of hanging in a housing formed in a female terminal (6) for the join with the module (3). Dispositif selon l'une des revendications précédentes, caractérisé en ce que le boîtier comporte une surface de guidage (30) pour guider la cosse femelle (6) selon le sens d'insertion (A), et en ce que la cosse femelle (6) repousse une tête (32) solidaire du module (3) pour l'effacer dans un logement (33) solidaire du boîtier (2) avant d'arriver à ladite première position d'encliquetage.Device according to one of the preceding claims, characterized in that the housing has a guide surface (30) for guiding the female terminal (6) in the direction of insertion (A), and in that the female terminal (6 ) pushes back a head (32) secured to the module (3) to erase it in a housing (33) secured to the housing (2) before arriving at said first latching position. Dispositif selon la revendication 5, caractérisé en ce que la tête (32) du module (3) vient en appui sur une paroi (37) solidaire du boîtier (2) pour constituer une butée arrière empêchant le retrait de la cosse femelle (6).Device according to claim 5, characterized in that the head (32) of the module (3) comes to bear on a wall (37) integral with the housing (2) to constitute a rear stop preventing the withdrawal of the female terminal (6) . Dispositif selon la revendication 1, caractérisé en ce que le verrouillage de la cosse femelle (6) est assuré par une butée (32) solidaire du module (3).Device according to claim 1, characterized in that the locking of the female terminal (6) is ensured by a stop (32) integral with the module (3). Dispositif selon la revendication 3, caractérisé en ce que l'élément de retenue (5) est constitué par coopération de deux parties (50) venant en accolement le long du plan diamétral commun aux câbles enserrés (21)Device according to claim 3, characterized in that the retaining element (5) is formed by cooperation of two parts (50) coming into abutment along the diametrical plane common to the enclosed cables (21) Dispositif selon la revendication 8, caractérisé en ce que les deux parties (50) coopèrent selon deux positions d'encliquetage, dont la première correspond à une séparation permettant l'introduction latérale (D) des câbles d'alimentation (7) et la seconde à l'accolement plan et au maintien desdits câbles (7).Device according to claim 8, characterized in that the two parts (50) cooperate in two snap positions, the first of which corresponds to a separation allowing the lateral introduction (D) of the supply cables (7) and the second to the flat joining and to the maintenance of said cables (7). Dispositif selon la revendication 8 ou la revendication 9, caractérisé en ce que chaque partie (50) comporte un barreau de guidage (55 ou 56) et un trou correspondant (57 ou 58) pour le guidage relatif à coulissement des deux parties (50) entre elles.Device according to claim 8 or claim 9, characterized in that each part (50) has a guide bar (55 or 56) and a corresponding hole (57 or 58) for the relative sliding guide of the two parts (50) between them. Dispositif selon l'une des revendications précédentes, caractérisé en ce que chaque cosse femelle (6) comporte quatre lamelles (18) de contact électrique avec le fusible (1).Device according to one of the preceding claims, characterized in that each female terminal (6) has four strips (18) of electrical contact with the fuse (1). Dispositif selon la revendication 11, caractérisé en ce que les quatre lamelles (18) sont du type à déport pour assurer l'enfichage doux du fusible (1).Device according to claim 11, characterized in that the four strips (18) are of the offset type to ensure smooth insertion of the fuse (1).
EP19940401663 1993-07-26 1994-07-20 Electrical connecting device, especially for high current passage Expired - Lifetime EP0637045B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9309153 1993-07-26
FR9309153A FR2708387B1 (en) 1993-07-26 1993-07-26 Electrical connection device, in particular for the passage of strong currents.

Publications (2)

Publication Number Publication Date
EP0637045A1 true EP0637045A1 (en) 1995-02-01
EP0637045B1 EP0637045B1 (en) 1997-10-22

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EP19940401663 Expired - Lifetime EP0637045B1 (en) 1993-07-26 1994-07-20 Electrical connecting device, especially for high current passage

Country Status (4)

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EP (1) EP0637045B1 (en)
DE (1) DE69406376T2 (en)
ES (1) ES2110197T3 (en)
FR (1) FR2708387B1 (en)

Cited By (5)

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Publication number Priority date Publication date Assignee Title
FR2735280A1 (en) * 1995-06-09 1996-12-13 Peugeot Fuse box allowing unambiguous insertion of fuses esp. for motor vehicle
EP0829926A2 (en) * 1996-09-11 1998-03-18 Sumitomo Wiring Systems, Ltd. Electrical distribution box
WO2014173458A1 (en) * 2013-04-26 2014-10-30 Pepperl + Fuchs Gmbh Receiving socket for receiving and making contact with an electronic module
WO2015162095A1 (en) * 2014-04-23 2015-10-29 Delphi International Operations Luxembourg S.À R.L. Fuse-holder connector for motor vehicles and method for assembly thereof
CN107453129A (en) * 2017-08-08 2017-12-08 朱江帆 A kind of bridge equipment

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7876193B2 (en) * 2008-04-04 2011-01-25 Lear Corporation Fuse circuit assembly
DE202015005251U1 (en) * 2015-07-22 2016-10-28 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Automotive fuse arrangement

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EP0420010A1 (en) * 1989-09-25 1991-04-03 The Whitaker Corporation Multi-contact elctrical connector assembly
EP0505199A2 (en) * 1991-03-20 1992-09-23 Yazaki Corporation Connector with terminal holder
EP0508059A2 (en) * 1991-04-08 1992-10-14 MECCANOTECNICA CODOGNESE S.p.A. Fuse-carrier case having a modular structure
FR2684242A1 (en) * 1991-11-22 1993-05-28 Amp France ELECTRICAL CONNECTOR ASSEMBLY COMPRISING A TERMINAL LOCKING ELEMENT.
GB2262667A (en) * 1991-12-06 1993-06-23 Yazaki Corp Electric fuses
EP0551128A1 (en) * 1992-01-10 1993-07-14 Sumitomo Wiring Systems, Ltd. Plug-in connector assembly

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0420010A1 (en) * 1989-09-25 1991-04-03 The Whitaker Corporation Multi-contact elctrical connector assembly
EP0505199A2 (en) * 1991-03-20 1992-09-23 Yazaki Corporation Connector with terminal holder
EP0508059A2 (en) * 1991-04-08 1992-10-14 MECCANOTECNICA CODOGNESE S.p.A. Fuse-carrier case having a modular structure
FR2684242A1 (en) * 1991-11-22 1993-05-28 Amp France ELECTRICAL CONNECTOR ASSEMBLY COMPRISING A TERMINAL LOCKING ELEMENT.
GB2262667A (en) * 1991-12-06 1993-06-23 Yazaki Corp Electric fuses
EP0551128A1 (en) * 1992-01-10 1993-07-14 Sumitomo Wiring Systems, Ltd. Plug-in connector assembly

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2735280A1 (en) * 1995-06-09 1996-12-13 Peugeot Fuse box allowing unambiguous insertion of fuses esp. for motor vehicle
EP0829926A2 (en) * 1996-09-11 1998-03-18 Sumitomo Wiring Systems, Ltd. Electrical distribution box
EP0829926A3 (en) * 1996-09-11 1998-11-04 Sumitomo Wiring Systems, Ltd. Electrical distribution box
CN1068981C (en) * 1996-09-11 2001-07-25 住友电装株式会社 Electrical distribution box
WO2014173458A1 (en) * 2013-04-26 2014-10-30 Pepperl + Fuchs Gmbh Receiving socket for receiving and making contact with an electronic module
CN105264721A (en) * 2013-04-26 2016-01-20 倍加福有限责任公司 Receiving socket for receiving and making contact with an electronic module
US9531094B2 (en) 2013-04-26 2016-12-27 Pepperl + Fuchs Gmbh Receiving socket for receiving and making contact with an electronic module
CN105264721B (en) * 2013-04-26 2017-08-22 倍加福有限责任公司 For receiving electronic module and reception socket in contact
WO2015162095A1 (en) * 2014-04-23 2015-10-29 Delphi International Operations Luxembourg S.À R.L. Fuse-holder connector for motor vehicles and method for assembly thereof
FR3020510A1 (en) * 2014-04-23 2015-10-30 Delphi Int Operations Luxembourg Sarl FUSE HOLDER CONNECTOR FOR MOTOR VEHICLES AND METHOD OF MOUNTING THE CONNECTOR
CN107453129A (en) * 2017-08-08 2017-12-08 朱江帆 A kind of bridge equipment

Also Published As

Publication number Publication date
EP0637045B1 (en) 1997-10-22
DE69406376T2 (en) 1998-04-09
FR2708387B1 (en) 1995-10-20
FR2708387A1 (en) 1995-02-03
ES2110197T3 (en) 1998-02-01
DE69406376D1 (en) 1997-11-27

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