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WO1999060669A1 - Rapid connector for insulated electric cables by perforation of the insulation - Google Patents

Rapid connector for insulated electric cables by perforation of the insulation Download PDF

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Publication number
WO1999060669A1
WO1999060669A1 PCT/ES1999/000146 ES9900146W WO9960669A1 WO 1999060669 A1 WO1999060669 A1 WO 1999060669A1 ES 9900146 W ES9900146 W ES 9900146W WO 9960669 A1 WO9960669 A1 WO 9960669A1
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WO
WIPO (PCT)
Prior art keywords
cable
elements
groove
quick connector
connector according
Prior art date
Application number
PCT/ES1999/000146
Other languages
Spanish (es)
French (fr)
Inventor
Jorge Vicente-Arche Hermoso
Original Assignee
Vicente Arche Hermoso Jorge
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 Vicente Arche Hermoso Jorge filed Critical Vicente Arche Hermoso Jorge
Publication of WO1999060669A1 publication Critical patent/WO1999060669A1/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
    • H01R4/2406—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation having needles or pins
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts

Definitions

  • the present invention concerns a quick connector of insulated electrical cables by perforation of the insulator, of the type comprising at least two elements of dielectric material capable of tightening and closing against each other by clamping together a portion of an insulated electrical cable, presenting , at least one of said elements, next to its face in contact with the insulated cable, a piece of electroconductive material with one or more penetrating protrusions capable of perforating the insulating layer of the cable and reaching the conductive core of said cable to establish electrical contact with the same.
  • Various devices for connecting insulated cables based on the principle of perforation of the insulating layer are known in the state of the art, the utility model n being cited.
  • the piercing elements are constituted by multiple penetrating nails, the tightening being carried out by means of screws.
  • EP-A-267884 describes a device for connecting two insulated electrical cables consisting of two pressurized clamps, of dielectric material, each for a different cable, said clamps, together with their respective cables, being placed in an adjacent position, capable of being transferred from part to part by a self-tapping screw, which pierces the insulating layer of both cables establishing electrical contact between their respective conductive cores, while keeping the two clamps together.
  • both the cover and the contact nail pairs constitute separate parts that must be assembled in the assembly process and then joined with the cables to be connected.
  • the objective of the present invention is to provide a fast connector of insulated electrical cables by perforation of the insulator, in which the perforation does not significantly damage the insulating layer of the cable, so that it is reusable, enabling to cancel any of the connections made.
  • Another objective of this invention is to provide a quick connector, without loose parts and capable of being applied without tools.
  • a final objective of this invention is to provide a connector of the type referred to (where bare cables are not required) useful for low voltage networks, in fields such as the domestic installation, the automotive industries, machinery in general, appliances, electronics, and in all those applications where low voltage electrical connections or shunts are required, fast, reliable and economical.
  • Embedded inside one of the elements is a piece of electroconductive material provided with protrusions that appear at the bottom of the corresponding mentioned grooves constituting thin elements ending in a tip sharpened, capable of perforating the insulating layer of the cable without significantly damaging it, reaching the conductive core of said cables to establish an electrical connection between them.
  • FIG. 1 is an enlarged perspective view illustrating a connector according to the invention, useful for taking an electrical branch of a through cable, in the open position
  • Fig. 2 is an enlarged perspective view illustrating the connector of Fig. 1, in the closed position.
  • the outline of an extension of a connector of the same type useful for taking two leads of the same through cable has been represented in dashed lines
  • Fig. 3 is an enlarged cross-sectional view of the connector of the
  • FIG. 2 in closed position.
  • Fig. 4 is an enlarged perspective view, illustrating a connector according to this invention, useful for connecting two electrical cables spliced together at their ends, in an open position; and
  • Fig. 5 is an enlarged perspective view illustrating the connector of Fig. 4, in the closed position.
  • the contour of an extension of a connector of the same type useful for connecting two pairs of cables to each other is shown in dashed lines.
  • Fig. 6 is a longitudinal sectional view illustrating a connector according to this invention, which can be permanently attached to the end of a cable, useful for connecting it with another cable reversibly. Detailed description of some embodiments
  • a first element 1 which has, on its inner face, a first groove the, passing from one edge to another of said face and at least a second groove Ib, transverse to the first, which runs from 5 a edge of said face until said first groove the.
  • a second groove Ib transverse to the first, which runs from 5 a edge of said face until said first groove the.
  • penetrating protuberances 3a and 3b that protect the ends of a piece 3 of elongated electroconductive material that is embedded in said first element 1.
  • a second element 2 it presents about 0 first 2a and second 2b grooves in correspondence with the respective first la and second Ib grooves of the first element 1 to form, when both elements 1, 2 are attached, conduits of substantially circular profile to house, respectively, an insulated electrical cable through K and one end of an insulated electrical cable L, to take the second one an electrical branch of the first.
  • the first element 1 has on its sides fingernails 4a capable of elastically fitting into openings of pins 4b arranged on the sides of the second element 2.
  • first element 1 and said second element 2 are formed in one piece, with a thinning 5, arranged between both elements 1, 2, as a hinge.
  • an insulated cable K is provided, through, in the groove 2a and one end of an insulated cable L in the groove 2b; Elements 1 and 2 are attached by a rotation with respect to the hinge line 5; both pieces are pressed against each other so that the first protuberance 3 penetrates the insulating layer A of the cable K while the second or protuberance 3b penetrates the insulating layer A of the cable L, reaching both protrusions 3a, 3b the conductive cores B of the respective cables K, L, establishing electrical connection between them through the part 3 embedded in the element 1, as shown in Figs 2 and 3.
  • the pairs of ribs 6 of the elements 1 and 2 throttle, without damaging it, the insulation layer A of the cables K and L establishing mechanical connection with them, while the tabs 4a of the first element 1 are inserted into the holes of the pins 4b of the second element 2 by elastic deformation thereof, closing the connector and maintaining, in cooperation with hinge 5, elements 1 and 2 tightly pressed together.
  • This arrangement ensures a secure closure thanks to the elastic recovery of the pins 4b.
  • said closure is easily releasable, and the electrical and mechanical connection between the two cables K and L can be undone, so that these can be reused because the damage caused by the perforation of the protrusions 3a and 3b in the insulating layers A is insignificant.
  • Said connector is formed by a first element 1 which has at least one groove in its inner face, passing from one edge to another of said face, being protruding from the bottom of each of the two halves of said groove one of said protuberances penetrants 3 a, 3b of the electroconductive part 3 embedded in the element 1.
  • a second element 2 is also provided with at least one groove 2c in correspondence with the said groove le of the first element 1, to form, when both elements 1 and 2 a substantially circular profile conduit to house the ends of two insulated electrical cables M, N, for the electrical connection between them.
  • Said elements 1 and 2 have on their sides the corresponding closures 4a, 4b, and near the outer edges of the ribs le and 2c of ribs 6, in functions analogous to those of the connector of Figs. 1 to 3
  • an insulated end of the cable M is arranged occupying one half of the groove 2c and an insulated end of the cable N occupying the other half of said groove 2c.
  • the first protuberance 3 penetrates the insulating layer A of the cable M while the second protuberance 3b penetrates the insulating layer A of the cable N, both leading protrusions 3a, 3b reaching the conductive cores B of the respective cables M , N, establishing an electrical connection between them through part 3 embedded in element 1.
  • elements 1 and 2 are separate pieces, provided on their sides with the corresponding closures 4a, 4b, to keep said elements (1, 2) attached, tightened and immobilized. against each other, mechanically holding the cables K, L, M, N, and establishing the appropriate electrical connections between them by means of the protrusions 3a, 3b and through the part 3.
  • the grooves (la, Ib) will have a diameter substantially greater than the majority of cables to be connected by this connector, with configuration pieces in half-reed having several selectively removable layers, which are attached on said grooves to embrace the section of the cable used and adapt its diameter to that of said grooves providing a tight coupling.
  • connectors with several branches can be constructed with respective grooves and electroconductive elements topped with contact points.

Landscapes

  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

Rapid connector for insulated electric cables by perforation of the insulation, said connector comprising at least two dielectric elements (1, 2) which can be pressed and closed against each other while trapping and holding between each other a portion of the insulated electric cable; one of said elements (1, 2) includes an electroconducting material part (3) having at least one penetrating protuberance formed by a thin element terminated into a sharp point which is susceptible of perforating the insulating layer (A) of the cable without damaging it significantly and reaching the conductor core (B) of the cable in order to establish an electric contact; the part (3) has an elongate portion which is embedded into one of said elements (1 or 2) and is extended at least at one of its extremities which protrudes externally by said penetrating protuberance (3a); means are provided for connecting the other extremity of the elongate portion of the part (3) to an electric cable by welding or by perforation by means of another sharp spike.

Description

CONECTOR RÁPIDO DE CABLES ELÉCTRICOS AISLADOS POR PERFORACIÓN DEL AISLANTE QUICK CONNECTOR OF ELECTRICAL CABLES ISOLATED BY INSULATION DRILLING
Campo de la TécnicaTechnical Field
La presente invención concierne a un conector rápido de cables eléctricos aislados por perforación del aislante, del tipo que comprende al menos dos elementos de material dieléctrico susceptibles de apretarse y cerrarse el uno contra el otro aprisionando entre ellos una porción de un cable eléctrico aislado, presentando, al menos uno de dichos elementos, junto a su cara en contacto con el cable aislado una pieza de material electroconductor con una o más protuberancias penetrantes susceptibles de perforar la capa de aislante del cable y alcanzar el núcleo conductor de dicho cable para establecer contacto eléctrico con el mismo.The present invention concerns a quick connector of insulated electrical cables by perforation of the insulator, of the type comprising at least two elements of dielectric material capable of tightening and closing against each other by clamping together a portion of an insulated electrical cable, presenting , at least one of said elements, next to its face in contact with the insulated cable, a piece of electroconductive material with one or more penetrating protrusions capable of perforating the insulating layer of the cable and reaching the conductive core of said cable to establish electrical contact with the same.
Antecedentes de la InvenciónBackground of the Invention
Se conocen en el estado de la técnica diversos dispositivos de conexión de cables aislados basados en el principio de la perforación de la capa de aislante, pudiéndose citar el modelo de utilidad n. ES-A-210886, y los modelos U-ES-A10350984 y ES-A- 10260504, ambos del mismo solicitante, en los que se describen conectores para la toma de una derivación eléctrica de un conductor aislado por perforación de la capa de aislante del mismo. En todos ellos los elementos perforadores están constituidos por múltiples uñas penetrantes, realizándose el apriete mediante tornillos.Various devices for connecting insulated cables based on the principle of perforation of the insulating layer are known in the state of the art, the utility model n being cited. ES-A-210886, and models U-ES-A10350984 and ES-A-10260504, both of the same applicant, in which connectors for the taking of an electrical branch of an insulated conductor by perforation of the insulating layer are described of the same. In all of them the piercing elements are constituted by multiple penetrating nails, the tightening being carried out by means of screws.
En la solicitud de patente EP-A-267884 se describe un dispositivo para conectar dos cables eléctricos aislados que consiste en dos abrazaderas a presión, de material dieléctrico, cada una para un cable distinto, siendo dichas abrazaderas, junto con sus respectivos cables, colocadas en posición adyacente, susceptibles de ser traspasadas de parte a parte por un tornillo auto-roscable, el cual perfora la capa aislante de ambos cables estableciendo contacto eléctrico entre sus respectivos núcleos conductores, al tiempo que mantiene las dos abrazaderas juntas.EP-A-267884 describes a device for connecting two insulated electrical cables consisting of two pressurized clamps, of dielectric material, each for a different cable, said clamps, together with their respective cables, being placed in an adjacent position, capable of being transferred from part to part by a self-tapping screw, which pierces the insulating layer of both cables establishing electrical contact between their respective conductive cores, while keeping the two clamps together.
En la patente ES-A-2040650 se describe otro dispositivo para la interconexión de dos cables eléctricos aislados mediante la perforación de la capa aislante de los mismos, en el cual una varilla exteriormente roscada presenta en sus dos extremos sendas ranuras pasantes en el fondo de las cuales se encuentran los elementos perforadores, siendo dichas ranuras susceptibles de alojar un cable aislado cada una, disponiéndose de unos elementos de tuerca susceptibles de roscar sobre los externos de la mencionada varilla apretando dichos cables contra los elementos perforadores.In the patent ES-A-2040650 another device for the interconnection of two insulated electric cables is described by perforating the insulating layer thereof, in which an externally threaded rod has two grooves at its two ends at the bottom of which are the perforating elements, said grooves being able to accommodate an insulated cable each, having nut elements capable of threading on the external of said rod by pressing said cables against the perforating elements.
En todos estos sistemas, si bien se asegura una buena conexión para transmitir corrientes elevadas, se presentan los inconvenientes de dañar la capa de aislante del cable dejándolo no apto para su reutilización, y de precisar de herramientas para su aplicación. Por otro lado, en la solicitud de patente EP-A-0684662 se describe un conector para un cable plano de varios hilos compuesto de una base provista de varios canales y de una tapa provista asimismo de canales susceptibles de quedar enfrentados a los de la base para formar unos alojamientos para varios hilos de un cable eléctrico, llevando la citada tapa, en alojamientos dispuestos en los canales, unos pares de uñas de conexión susceptibles de perforar, de manera auto-pelante, las capas de aislante de los cables para hacer contacto con sus núcleos conductores, disponiendo además de unos medios de cierre elásticos para mantener la base y la tapa unidas.In all these systems, while ensuring a good connection to transmit high currents, there are the disadvantages of damaging the insulation layer of the cable leaving it unfit for reuse, and of requiring tools for its application. On the other hand, in the patent application EP-A-0684662 a connector is described for a flat cable of several wires composed of a base provided with several channels and a cover also provided with channels capable of being faced with those of the base to form housings for several wires of an electric cable, carrying the aforementioned cover, in housings arranged in the channels, a pair of connecting nails capable of perforating, in a self-peeling manner, the insulating layers of the cables to make contact with its conductive cores, also having elastic closing means to keep the base and lid together.
El conector descrito en la anterior patente EP-A-0684662, si bien no precisa de herramientas para su aplicación, sí que presenta el inconveniente de pelar la capa de aislante del cable, incapacitándolo para una posterior reutilización. Además, en dicho conector, tanto la tapa como los pares de uñas de contacto constituyen piezas separadas entre sí que deben ensamblarse en el proceso de montaje y luego unirse con los cables a conectar. Breve exposición de la InvenciónThe connector described in the previous patent EP-A-0684662, although it does not require tools for its application, it does present the inconvenience of stripping the insulating layer of the cable, incapacitating it for later reuse. In addition, in said connector, both the cover and the contact nail pairs constitute separate parts that must be assembled in the assembly process and then joined with the cables to be connected. Brief exposition of the invention
Por tanto, el objetivo de la presente invención es el de proporcionar un conector rápido de cables eléctricos aislados por perforación del aislante, en el que la perforación no dañe de manera significativa la capa de aislante del cable, de manera que éste sea reutilizable, posibilitando el anular cualquiera de las conexiones realizadas. Otro objetivo de esta invención es el de proporcionar un conector rápido, sin piezas sueltas y susceptible de ser aplicado sin necesidad de herramientas. Un último objetivo de esta invención es el de proporcionar un conector del tipo referido (donde no se precisa desnudar los cables) útil para redes de baja tensión, en campos como la instalación doméstica, las industrias de la automoción, maquinaria en general, electrodomésticos, electrónica, y en todas aquellas aplicaciones en las que se requieran conexiones o derivaciones eléctricas de baja tensión, rápidas, fiables y económicas.Therefore, the objective of the present invention is to provide a fast connector of insulated electrical cables by perforation of the insulator, in which the perforation does not significantly damage the insulating layer of the cable, so that it is reusable, enabling to cancel any of the connections made. Another objective of this invention is to provide a quick connector, without loose parts and capable of being applied without tools. A final objective of this invention is to provide a connector of the type referred to (where bare cables are not required) useful for low voltage networks, in fields such as the domestic installation, the automotive industries, machinery in general, appliances, electronics, and in all those applications where low voltage electrical connections or shunts are required, fast, reliable and economical.
En una realización preferida del presente conector se hace posible realizar una o más tomas en derivación de un cable ya instalado sin dañar sustancialmente el mismo.In a preferred embodiment of the present connector, it is possible to make one or more outlets from an already installed cable without substantially damaging it.
Estos objetivos se consiguen, de acuerdo con la presente invención, proporcionando una única pieza de material dieléctrico provista, en su zona central, de un adelgazamiento a modo de bisagra que delimita dos elementos susceptibles de adosarse uno sobre otro, provistos en sus laterales de unos cierres elásticos formados, en la misma pieza, para mantenerlos apretados uno contra el otro. Dichos elementos están provistos, en sus caras internas, de una o varias acanaladuras formativas de unos conductos para unos correspondientes cables eléctricos aislados. En las embocaduras de dichos conductos se encuentran unos nervios anulares protuberantes hacia el interior de los mismos para estrangular la capa aislante del cable eléctrico con el fin de establecer una sujeción mecánica del mismo. Embebida en el interior de uno de los elementos se encuentra una pieza de material electroconductor provista de unas protuberancias que asoman por el fondo de las correspondientes citadas acanaladuras constituyendo unos elementos delgados terminados en una punta aguzada, susceptibles de perforar la capa aislante del cable sin dañarla significativamente, alcanzando el núcleo conductor de dichos cables para establecer conexión eléctrica entre ellos.These objectives are achieved, in accordance with the present invention, by providing a single piece of dielectric material provided, in its central area, with a hinge-like thinning that delimits two elements that can be attached to each other, provided on their sides with elastic closures formed, in the same piece, to keep them pressed against each other. Said elements are provided, on their internal faces, with one or more formative grooves of conduits for corresponding insulated electrical cables. In the mouths of said ducts there are protruding annular ribs towards the interior thereof to throttle the insulating layer of the electric cable in order to establish a mechanical fastening thereof. Embedded inside one of the elements is a piece of electroconductive material provided with protrusions that appear at the bottom of the corresponding mentioned grooves constituting thin elements ending in a tip sharpened, capable of perforating the insulating layer of the cable without significantly damaging it, reaching the conductive core of said cables to establish an electrical connection between them.
Para una mejor comprensión del conector propuesto, se realiza a continuación una descripción detallada del mismo con referencia a los dibujos adjuntos, que muestran unos posibles ejemplos de realización en los que:For a better understanding of the proposed connector, a detailed description is made below with reference to the attached drawings, which show possible examples of embodiment in which:
Breve explicación de los dibujos la Fig. 1 es una vista ampliada, en perspectiva, que ilustra un conector de acuerdo con la invención, útil para tomar una derivación eléctrica de un cable pasante, en posición abierta; la Fig. 2 es una vista ampliada, en perspectiva, que ilustra el conector de la Fig. 1, en posición cerrada. En línea de trazos se ha representado el contorno de una extensión de un conector del mismo tipo útil para tomar dos derivaciones de un mismo cable pasante; la Fig. 3 es una vista ampliada en sección transversal del conector de laBRIEF EXPLANATION OF THE DRAWINGS Fig. 1 is an enlarged perspective view illustrating a connector according to the invention, useful for taking an electrical branch of a through cable, in the open position; Fig. 2 is an enlarged perspective view illustrating the connector of Fig. 1, in the closed position. The outline of an extension of a connector of the same type useful for taking two leads of the same through cable has been represented in dashed lines; Fig. 3 is an enlarged cross-sectional view of the connector of the
Fig. 2 en posición cerrada. la Fig. 4 es una vista ampliada, en perspectiva, que ilustra un conector de acuerdo con esta invención, útil para conectar empalmando entre sí dos cables eléctricos por sus extremos, en posición abierta; y La Fig. 5 es una vista ampliada, en perspectiva, que ilustra el conector de la Fig. 4, en posición cerrada. En línea de trazos se ha representado el contorno de una extensión de un conector del mismo tipo útil para conectar entre sí dos pares de cables.Fig. 2 in closed position. Fig. 4 is an enlarged perspective view, illustrating a connector according to this invention, useful for connecting two electrical cables spliced together at their ends, in an open position; and Fig. 5 is an enlarged perspective view illustrating the connector of Fig. 4, in the closed position. The contour of an extension of a connector of the same type useful for connecting two pairs of cables to each other is shown in dashed lines.
La Fig. 6 es una vista en sección longitudinal que ilustra un conector de acuerdo con esta invención, susceptible de fijarse de manera permanente en el extremo de un cable, útil para conectar éste con otro cable de manera reversible. Descripción detallada de unos ejemplos de realizaciónFig. 6 is a longitudinal sectional view illustrating a connector according to this invention, which can be permanently attached to the end of a cable, useful for connecting it with another cable reversibly. Detailed description of some embodiments
En la figura 1 se ve un primer elemento 1 que presenta, en su cara interior, una primera acanaladura la, pasante de un borde a otro de dicha cara y al menos una segunda acanaladura Ib, transversal a la primera, que va desde 5 un borde de dicha cara hasta la citada primera acanaladura la. Sobresaliendo del fondo de cada una de dichas primera la y segunda Ib acanaladuras se encuentran unas respectivas protuberancias penetrantes 3a y 3b que protegen los extremos de una pieza 3 de material electroconductor alargada que se encuentra embebida en el citado primer elemento 1. Un segundo elemento 2 presenta unas 0 primera 2a y segunda 2b acanaladuras en correspondencia con las respectivas primera la y segunda Ib acanaladuras del primer elemento 1 para formar, al adosarse ambos elementos 1 , 2, unos conductos de perfil sustancialmente circular para albergar, respectivamente, un cable eléctrico aislado pasante K y un extremo de un cable eléctrico aislado L, para tomar el segundo una 5 derivación eléctrica del primero. El primer elemento 1 presenta en sus laterales unas uñetas 4a susceptibles de encajar elásticamente en unas aberturas de unas patillas 4b dispuestas en los laterales del segundo elemento 2. En una posición próxima a los bordes exteriores de cada una de las acanaladuras la, Ib, 2a, 2b se encuentra un nervio 6 semianular protuberante hacia el interior para o estrangular la capa aislante A del cable eléctrico K, L con el fin de establecer una sujeción mecánica del mismo. Dicho primer elemento 1 y dicho segundo elemento 2, junto con sus respectivos cierres 4a, 4b y nervios 6 están formados en una sola pieza, con un adelgazamiento 5, dispuesto entre ambos elementos 1 , 2, a modo de bisagra. 5 Para su aplicación se dispone un cable aislado K, pasante, en la acanaladura 2a y un extremo de un cable aislado L en la acanaladura 2b; se adosan los elementos 1 y 2 mediante un giro respecto a la línea de la bisagra 5; se presionan ambas piezas una contra la otra de manera que la primera protuberancia 3 a penetra la capa aislante A del cable K mientras que la segunda o protuberancia 3b penetra la capa de aislante A del cable L, alcanzando ambas protuberancias 3a, 3b los núcleos conductores B de los respectivos cables K, L, estableciendo conexión eléctrica entre ambos a través de la pieza 3 embebida en el elemento 1 , como se muestra en las Figs 2 y 3. Los pares de nervios 6 de los elementos 1 y 2 estrangular, sin dañarla, la capa de aislante A de los cables K y L estableciendo conexión mecánica con los mismos, mientras que las uñetas 4a del primer elemento 1 se introducen en los orificios de las patillas 4b del segundo elemento 2 por deformación elástica de las mismas, cerrando el conector y manteniendo, en cooperación con la bisagra 5, los elementos 1 y 2 fuertemente apretados entre sí. Esta disposición asegura un cierre seguro gracias a la recuperación elástica de las patillas 4b. Sin embargo dicho cierre es fácilmente liberable, pudiéndose deshacer la conexión eléctrica y mecánica entre los dos cables K y L, de manera que éstos pueden ser reutilizados debido a que el daño producido por la perforación de las protuberancias 3a y 3b en las capas de aislante A es insignificante.In figure 1 a first element 1 is shown, which has, on its inner face, a first groove the, passing from one edge to another of said face and at least a second groove Ib, transverse to the first, which runs from 5 a edge of said face until said first groove the. Standing out from the bottom of each of said first the second and second Ib grooves there are respective penetrating protuberances 3a and 3b that protect the ends of a piece 3 of elongated electroconductive material that is embedded in said first element 1. A second element 2 it presents about 0 first 2a and second 2b grooves in correspondence with the respective first la and second Ib grooves of the first element 1 to form, when both elements 1, 2 are attached, conduits of substantially circular profile to house, respectively, an insulated electrical cable through K and one end of an insulated electrical cable L, to take the second one an electrical branch of the first. The first element 1 has on its sides fingernails 4a capable of elastically fitting into openings of pins 4b arranged on the sides of the second element 2. In a position close to the outer edges of each of the grooves la, Ib, 2a , 2b is a protruding semiannular rib 6 inwardly to throttle the insulating layer A of the electric cable K, L in order to establish a mechanical fastening thereof. Said first element 1 and said second element 2, together with their respective closures 4a, 4b and ribs 6 are formed in one piece, with a thinning 5, arranged between both elements 1, 2, as a hinge. 5 For its application an insulated cable K is provided, through, in the groove 2a and one end of an insulated cable L in the groove 2b; Elements 1 and 2 are attached by a rotation with respect to the hinge line 5; both pieces are pressed against each other so that the first protuberance 3 penetrates the insulating layer A of the cable K while the second or protuberance 3b penetrates the insulating layer A of the cable L, reaching both protrusions 3a, 3b the conductive cores B of the respective cables K, L, establishing electrical connection between them through the part 3 embedded in the element 1, as shown in Figs 2 and 3. The pairs of ribs 6 of the elements 1 and 2 throttle, without damaging it, the insulation layer A of the cables K and L establishing mechanical connection with them, while the tabs 4a of the first element 1 are inserted into the holes of the pins 4b of the second element 2 by elastic deformation thereof, closing the connector and maintaining, in cooperation with hinge 5, elements 1 and 2 tightly pressed together. This arrangement ensures a secure closure thanks to the elastic recovery of the pins 4b. However, said closure is easily releasable, and the electrical and mechanical connection between the two cables K and L can be undone, so that these can be reused because the damage caused by the perforation of the protrusions 3a and 3b in the insulating layers A is insignificant.
En la Fig 4 se muestra una variante de conector basado en el mismo principio que el conector de las Figs. 1 a 3, útil para conectar cables, dos a dos, por sus extremos. Dicho conector está formado por un primer elemento 1 que presenta en su cara interna al menos una acanaladura le, pasante de un borde a otro de dicha cara, hallándose sobresaliendo del fondo de cada una de las dos mitades de dicha acanaladura le una de dichas protuberancias penetrantes 3 a, 3b de la pieza 3 electroconductora embebida en el elemento 1. Un segundo elemento 2 está asimismo provisto de al menos una acanaladura 2c en correspondencia con la citada acanaladura le del primer elemento 1 , para formar, al adosarse ambos elementos 1 y 2 un conducto de perfil sustancialmente circular para albergar los extremos de dos cables eléctricos aislados M, N, para la conexión eléctrica entre ambos. Dichos elementos 1 y 2 disponen en sus laterales de los correspondientes cierres 4a, 4b, y cerca de los bordes exteriores de las acanaladuras le y 2c de nervios 6, en funciones análogas a las del conector de las Figs. 1 a 3. En funcionamiento, se dispone un extremo aislado del cable M ocupando una mitad de la acanaladura 2c y un extremo aislado del cable N ocupando la otra mitad de dicha acanaladura 2c. Una vez cerrado el conector, la primera protuberancia 3 a penetra la capa aislante A del cable M mientras que la segunda protuberancia 3b penetra la capa de aislante A del cable N, alcanzando ambas protuberancias 3a, 3b los núcleos conductores B de los respectivos cables M, N, estableciendo conexión eléctrica entre ambos a través de la pieza 3 embebida en el elemento 1.A connector variant based on the same principle as the connector of Figs. 1 to 3, useful for connecting cables, two to two, at their ends. Said connector is formed by a first element 1 which has at least one groove in its inner face, passing from one edge to another of said face, being protruding from the bottom of each of the two halves of said groove one of said protuberances penetrants 3 a, 3b of the electroconductive part 3 embedded in the element 1. A second element 2 is also provided with at least one groove 2c in correspondence with the said groove le of the first element 1, to form, when both elements 1 and 2 a substantially circular profile conduit to house the ends of two insulated electrical cables M, N, for the electrical connection between them. Said elements 1 and 2 have on their sides the corresponding closures 4a, 4b, and near the outer edges of the ribs le and 2c of ribs 6, in functions analogous to those of the connector of Figs. 1 to 3 In operation, an insulated end of the cable M is arranged occupying one half of the groove 2c and an insulated end of the cable N occupying the other half of said groove 2c. Once the connector is closed, the first protuberance 3 penetrates the insulating layer A of the cable M while the second protuberance 3b penetrates the insulating layer A of the cable N, both leading protrusions 3a, 3b reaching the conductive cores B of the respective cables M , N, establishing an electrical connection between them through part 3 embedded in element 1.
Aunque no se han representado, se ha previsto una variante en la que los elementos 1 y 2 son piezas separadas, provistas en sus laterales de los correspondientes cierres 4a, 4b, para mantener dichos elementos (1 , 2) adosados, apretados e inmovilizados el uno contra el otro, sujetando mecánicamente los cables K, L, M, N, y estableciendo las oportunas conexiones eléctricas entre ellos mediante las protuberancias 3a, 3b y a través de la pieza 3.Although they have not been represented, a variant is provided in which elements 1 and 2 are separate pieces, provided on their sides with the corresponding closures 4a, 4b, to keep said elements (1, 2) attached, tightened and immobilized. against each other, mechanically holding the cables K, L, M, N, and establishing the appropriate electrical connections between them by means of the protrusions 3a, 3b and through the part 3.
Finalmente, en la Fig. 6, se muestra un conector en el segundo elementoFinally, in Fig. 6, a connector is shown in the second element
2 tiene una porción en la que se encuentra embebido el extremo de un cable O unido mediante una soldadura 7 a dicho otro extremo de la porción alargada de la pieza 3, presentando dicho segundo elemento 2 una porción rebajada provista de una acanaladura 2d de la que sobresale una punta aguzada 3a del extremo de la pieza 3, mientras que el primer elemento 1 está provisto de una acanaladura Id en correspondencia con la citada acanaladura 2d del segundo elemento 2 para formar, al adosarse ambos elementos 1 , 2 un conducto de perfil sustancialmente circular para albergar un extremo de un cable eléctrico P, aislado, para la conexión eléctrica entre los cables O, P, a través de dicha punta aguzada 3a, porción alargada 3 y soldadura 7.2 has a portion in which the end of a cable O attached by welding 7 to said other end of the elongated portion of the piece 3 is embedded, said second element 2 having a recessed portion provided with a groove 2d of which a sharp point 3a protrudes from the end of the piece 3, while the first element 1 is provided with a groove Id in correspondence with the aforementioned groove 2d of the second element 2 to form, when both elements 1, 2 are attached a substantially profile duct circular to house one end of an insulated electric cable P, for the electrical connection between the wires O, P, through said pointed tip 3a, elongated portion 3 and welding 7.
Resulta evidente que, tanto el conector para derivación de las Figs. 1 aIt is clear that both the bypass connector of Figs. 1 a
3 como los conectores para empalme de las Figs. 4, 5 y 6 pueden prolongarse lateralmente en unidades repetitivas para establecer conexiones múltiples, tal como se muestra en línea de trazos en las Figs. 2 y 5. Asimismo aunque las acanaladuras se han ilustrado en media caña, otras configuraciones tales como en "V" o "U" son compatibles con la esencialidad de esta invención.3 as the splice connectors of Figs. 4, 5 and 6 can be extended laterally in repetitive units to establish multiple connections, as shown in dashed line in Figs. 2 and 5. Also although grooves have been illustrated in half-round, other configurations such as "V" or "U" are compatible with the essentiality of this invention.
En general las acanaladuras (la, Ib) tendrán un diámetro sensiblemente mayor que la mayoría de cables a conexionar mediante este conector, habiéndose previsto unas piezas postizas de configuración en media caña con varias capas retirables selectivamente, que se adosan sobre dichas acanaladuras para abrazar la sección del cable utilizado y adaptar su diámetro al de dichas acanaladuras proporcionando un acoplamiento ajustado.In general, the grooves (la, Ib) will have a diameter substantially greater than the majority of cables to be connected by this connector, with configuration pieces in half-reed having several selectively removable layers, which are attached on said grooves to embrace the section of the cable used and adapt its diameter to that of said grooves providing a tight coupling.
Asimismo pueden construirse conectores con varias ramas con respectivas acanaladuras y elementos electroconductores rematados en punta, de contacto. Likewise, connectors with several branches can be constructed with respective grooves and electroconductive elements topped with contact points.

Claims

REIVINDICACIONES
1.- Conector rápido de cables eléctricos aislados por perforación del aislante, del tipo que comprende al menos dos elementos (1, 2) de material dieléctrico susceptibles de apretarse y cerrarse uno contra el otro aprisionando entre ellos una porción de un cable eléctrico aislado, presentando, uno de dichos elementos (1 , 2), al menos una pieza (3) de material electroconductor con una o más protuberancias penetrantes, sobresaliendo de la cara de al menos uno de los elementos (1, 2) en contacto con el cable o cables aislados, cuyas protuberancias son susceptibles de perforar la capa de aislante (A) del cable y alcanzar el núcleo conductor (B) de dicho cable para establecer contacto eléctrico con el mismo, caracterizado porque dicha pieza (3) de material electroconductor comprende al menos una porción alargada, embebida dentro de uno u otro de dichos dos elementos (1 ó 2) de material dieléctrico, prolongada por al menos uno de sus extremos que sobresale al exterior determinando una de dichas protuberancias (3a) penetrantes, formada por un elemento delgado terminado en una punta aguzada, susceptible de perforar la capa aislante (A) del cable sin dañarla significativamente, para establecer el citado contacto eléctrico con el núcleo conductor (B) de dicho cable, y porque se han previsto medios de conexión del otro extremo de la porción alargada de la pieza (3) a un cable eléctrico.1.- Quick connector of insulated electrical cables by perforation of the insulator, of the type that comprises at least two elements (1, 2) of dielectric material capable of tightening and closing against each other by clamping a portion of an insulated electrical cable between them, having one of said elements (1, 2), at least one piece (3) of electroconductive material with one or more penetrating protrusions, protruding from the face of at least one of the elements (1, 2) in contact with the cable or insulated cables, whose protuberances are capable of perforating the insulating layer (A) of the cable and reaching the conductive core (B) of said cable to establish electrical contact with it, characterized in that said piece (3) of electroconductive material comprises the minus an elongated portion, embedded within one or other of said two elements (1 or 2) of dielectric material, prolonged by at least one of its ends protruding outside determining or one of said penetrating protuberances (3a), formed by a thin element terminated at a sharp point, capable of perforating the insulating layer (A) of the cable without significantly damaging it, to establish said electrical contact with the conductive core (B) of said cable, and because means of connecting the other end of the elongated portion of the part (3) to an electric cable are provided.
2.- Conector rápido según la reivindicación 1 , caracterizado porque dicho otro extremo de la porción alargada de la pieza (3) está previamente fijado mecánica y eléctricamente a un cable (O) por medios tales como soldadura (7).2. Quick connector according to claim 1, characterized in that said other end of the elongated portion of the part (3) is previously mechanically and electrically fixed to a cable (O) by means such as welding (7).
3.- Conector rápido según la reivindicación 1 , caracterizado porque dicho otro extremo de la porción alargada de la pieza (3) se prolonga en una segunda punta aguzada (3b).3. Quick connector according to claim 1, characterized in that said other end of the elongated portion of the piece (3) is extended on a second pointed tip (3b).
4.- Conector rápido según la reivindicación 3, caracterizado porque dicho primer elemento (1) presenta, en su cara interior, una primera acanaladura (la), pasante de un borde a otro de dicha cara y al menos una segunda acanaladura (Ib), transversal a la primera, en la que desemboca, hallándose sobresaliendo del fondo de cada una de dichas primera (la) y segunda (Ib) acanaladuras una de dichas protuberancias penetrantes (3a, 3b) de la pieza (3) electroconductora embebida en el primer elemento (1), y porque el segundo elemento (2) presenta unas primera (2a) y segunda (2b) acanaladuras en correspondencia con las respectivas primera (la) y segunda (Ib) acanaladuras del primer elemento (1) para formar, al adosarse ambos elementos (1 , 2), unos conductos de perfil sustancialmente circular para albergar, respectivamente, un cable eléctrico aislado pasante (K) y un extremo de un cable eléctrico aislado (L), para tomar, el segundo una derivación eléctrica del primero.4. Quick connector according to claim 3, characterized in that said first element (1) has, on its inner face, a first groove (the), passing from one edge to another of said face and at least a second groove (Ib), transverse to the first one, at which it flows, and one of said penetrating protuberances (3a, 3b) of the electroconductive part (3) is protruding from the bottom of each of said first (the) and second (Ib) embedded in the first element (1), and because the second element (2) has first (2a) and second (2b) grooves in correspondence with the respective first (la) and second (Ib) grooves of the first element (1) to form, when both elements (1, 2) are attached, conduits of substantially circular profile to house, respectively, an insulated electrical cable through (K) and an end of an isolated electrical cable (L), to take the second one electrical bypass of the first.
5.- Conector rápido según la reivindicación 3, caracterizado porque el primer elemento (1) presenta en su cara interna al menos una acanaladura (le), pasante de un borde a otro de dicha cara, hallándose sobresaliendo del fondo de dicha acanaladura (le) una de dichas protuberancias penetrantes (3a, 3b) distanciado de la pieza (3) electroconductora embebida en el primer elemento (1), disponiendo el segundo elemento (2) de al menos una acanaladura (2c) en correspondencia con la acanaladura (le) del primer elemento (1) para formar, al adosarse ambos elementos (1 , 2) un conducto de perfil sustancialmente circular para albergar, en cada una de las dos mitades de dicho conducto unos correspondientes extremos de dos cables eléctricos (M, N), aislados, para la conexión eléctrica entre ambos, a través de dichas protuberancias distanciadas (3a, 3b).5. Quick connector according to claim 3, characterized in that the first element (1) has at least one groove (le) on its inner face, passing from one edge to another of said face, being protruding from the bottom of said groove (le ) one of said penetrating protuberances (3a, 3b) distanced from the electroconductive part (3) embedded in the first element (1), the second element (2) having at least one groove (2c) corresponding to the groove (le ) of the first element (1) to form, when both elements (1, 2) are attached a substantially circular profile conduit for housing, in each of the two halves of said conduit, corresponding ends of two electrical cables (M, N) , isolated, for the electrical connection between the two, through said spaced protuberances (3a, 3b).
6.- Conector rápido según la reivindicación 2, caracterizado porque el segundo elemento (2) tiene una porción en la que se encuentra embebido el extremo de un cable (O) unido mediante una soldadura (7) a dicho otro extremo de la porción alargada de la pieza (3), presentando dicho segundo elemento (2) otra porción provista de una acanaladura (2d) de la que sobresale una punta aguzada (3 a) del extremo de la pieza (3), mientras que el primer elemento (1) está provisto de una acanaladura (Id) en correspondencia con la citada acanaladura (2d) del segundo elemento (2) para formar, al adosarse ambos elementos (1, 2) un conducto de perfil sustancialmente circular para albergar un extremo de un cable eléctrico (P), aislado, para la conexión eléctrica entre los cables (O, P), a través de dicha punta aguzada (3a), porción alargada (3) y soldadura (7). 6. Quick connector according to claim 2, characterized in that the second element (2) has a portion in which the end of a cable (O) attached by welding (7) to said other end of the elongated portion is embedded of the piece (3), said second element (2) presenting another portion provided with a groove (2d) from which a sharp point (3 a) of the end of the piece (3) protrudes, while the first element (1 ) is provided with a groove (Id) in correspondence with said groove (2d) of the second element (2) to form, when both are attached elements (1, 2) a substantially circular profile conduit for housing one end of an electrical cable (P), isolated, for the electrical connection between the cables (O, P), through said pointed tip (3a), portion elongated (3) and welding (7).
7.- Conector rápido según una cualquiera de las reivindicaciones 1 a 6, caracterizado porque dicho primer elemento (1) y dicho segundo elemento (2), junto con unos respectivos cierres (4a, 4b) rápidos, elásticos, están formados en una sola pieza, con un adelgazamiento (5) dispuesto entre ambos elementos (1 , 2) a modo de bisagra. 7. A quick connector according to any one of claims 1 to 6, characterized in that said first element (1) and said second element (2), together with respective fast, elastic fasteners (4a, 4b), are formed into a single piece, with a thinning (5) arranged between both elements (1, 2) as a hinge.
8.- Conector rápido según una cualquiera de las reivindicaciones 1 a 6, caracterizado porque dicho primer elemento (1) y dicho segundo elemento (2) son piezas separadas, provistas de unos respectivos cierres (4a, 4b) rápidos, elásticos, para mantener dichos elementos (1 , 2) adosados, apretados e inmovilizados el uno contra el otro. 8. A quick connector according to any one of claims 1 to 6, characterized in that said first element (1) and said second element (2) are separate parts, provided with respective quick, elastic fasteners (4a, 4b) to maintain said elements (1, 2) attached, pressed and immobilized against each other.
9.- Conector rápido según una cualquiera de las reivindicaciones 4 a 8, caracterizado porque comprende, en una posición próxima a los bordes exteriores de cada acanaladura (la, Ib, le, Id, 2a, 2b, 2c, 2d) un nervio semianular (6), protuberante hacia el interior, para estrangular la capa aislante (A) del cable eléctrico (K, L, M, N, P) con el fin de establecer una sujeción mecánica del mismo.9. - Quick connector according to any one of claims 4 to 8, characterized in that it comprises, in a position close to the outer edges of each groove (la, Ib, le, Id, 2a, 2b, 2c, 2d) a semiannular nerve (6), protruding inwards, to throttle the insulating layer (A) of the electric cable (K, L, M, N, P) in order to establish a mechanical fastening thereof.
10.- Conector rápido según una de las reivindicaciones 1 a 6, caracterizado porque las acanaladuras (la, Ib) tienen un diámetro sensiblemente mayor que la mayoría de cables estándar a conexionar mediante el conector y porque se han previsto unas piezas postizas de configuración en media caña con varias capas retirables, susceptibles de alojarse en dichas acanaladuras para abrazar la sección del cable utilizado y adaptar su diámetro al de dichas acanaladuras, de manera que al cerrarse uno contra otro los elementos (1, 2) se proporciona un acoplamiento ajustado. 10.- Quick connector according to one of claims 1 to 6, characterized in that the grooves (la, Ib) have a diameter substantially larger than most standard cables to be connected by the connector and because configuration inserts are provided in half-round with several removable layers, capable of being housed in said grooves to embrace the section of the cable used and adapt its diameter to that of said grooves, so that when the elements (1, 2) are closed against each other, a tight coupling is provided.
PCT/ES1999/000146 1998-05-20 1999-05-20 Rapid connector for insulated electric cables by perforation of the insulation WO1999060669A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES09801299U ES1040251Y (en) 1998-05-20 1998-05-20 QUICK CONNECTOR OF ELECTRIC CABLES ISOLATED BY PERFORATION OF THE INSULATOR.
ESU9801299 1998-05-20

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WO1999060669A1 true WO1999060669A1 (en) 1999-11-25

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Cited By (5)

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Publication number Priority date Publication date Assignee Title
DE102005048490A1 (en) * 2005-05-07 2006-11-09 Pepperl + Fuchs Gmbh Cable distributor for connecting electrical branch cables to a main cable used pointed contacts that penetrate insulation
DE102008014398A1 (en) * 2008-03-17 2009-10-01 Phoenix Contact Gmbh & Co. Kg Conductor connecting device for conductor arrangement for electric power transmission, comprises housing unit and contact unit, which is arranged in housing unit and connected with connection conductor
WO2012107179A1 (en) 2011-02-10 2012-08-16 Juwi R & D Research & Development Gmbh & Co. Kg Electrical connecting element
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DE102015109247A1 (en) * 2015-02-24 2016-08-25 HARTING Electronics GmbH Connection device for cables

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ES210886U (en) * 1974-03-18 1976-05-01 Soc Ind De Materiel Electrique Connector with teething teeth of cable insulating envelopes. (Machine-translation by Google Translate, not legally binding)
US4103984A (en) * 1977-01-27 1978-08-01 Amp Incorporated Insulation displacing pin connector
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005048490A1 (en) * 2005-05-07 2006-11-09 Pepperl + Fuchs Gmbh Cable distributor for connecting electrical branch cables to a main cable used pointed contacts that penetrate insulation
DE102008014398A1 (en) * 2008-03-17 2009-10-01 Phoenix Contact Gmbh & Co. Kg Conductor connecting device for conductor arrangement for electric power transmission, comprises housing unit and contact unit, which is arranged in housing unit and connected with connection conductor
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DE102015109247A1 (en) * 2015-02-24 2016-08-25 HARTING Electronics GmbH Connection device for cables
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Publication number Publication date
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ES1040251Y (en) 1999-07-16

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