EP1271695B1 - Connecteur électrique - Google Patents

Connecteur électrique Download PDF

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Publication number
EP1271695B1
EP1271695B1 EP02013507A EP02013507A EP1271695B1 EP 1271695 B1 EP1271695 B1 EP 1271695B1 EP 02013507 A EP02013507 A EP 02013507A EP 02013507 A EP02013507 A EP 02013507A EP 1271695 B1 EP1271695 B1 EP 1271695B1
Authority
EP
European Patent Office
Prior art keywords
connector
region
slot
accordance
clamping
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.)
Expired - Lifetime
Application number
EP02013507A
Other languages
German (de)
English (en)
Other versions
EP1271695A1 (fr
Inventor
Eduard Cvasa
Jens Brake
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.)
Delphi Technologies Inc
Original Assignee
Delphi Technologies Inc
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 Delphi Technologies Inc filed Critical Delphi Technologies Inc
Publication of EP1271695A1 publication Critical patent/EP1271695A1/fr
Application granted granted Critical
Publication of EP1271695B1 publication Critical patent/EP1271695B1/fr
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
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/2445—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives
    • H01R4/245—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives the additional means having two or more slotted flat portions
    • H01R4/2454—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives the additional means having two or more slotted flat portions forming a U-shape with slotted branches

Definitions

  • the invention relates to an electrical connector for multicore electrical Lines with at least one insulation displacement terminal for contacting at least one line and at least one connection section to Contacting a component to be electrically connected to the line, the cutting terminal of two defining a slot for the line Insulation displacement limbs is formed.
  • IDC connections Insulation Displacement Connection
  • connector are for example from DE 19807938 A1 and DE 4 238 533 A1 and are known for example in motor vehicles used to surrounded with an insulation electrical conductor with a electrical component such as e.g. to contact a board of the vehicle.
  • the core of the conductor comprises several individual wires, e.g. according to a European standard 19 cores and one in the USA current standard 7 wires are combined to form a cable.
  • the slot delimiting Schneidklemmschenkel are shaped so that the slot a limited at least partially by cutting edges of the legs Entrance area, which is in a tapered and one of steadily converging leg edges limited basic shape exhibiting clamping area, which is longer than the entrance area is and is an expanding first and then again adjoins the end of the slot tapering end. Furthermore, the invention provides that the clamping area or its basic form of convex curved leg edges is limited.
  • the cutting edges provide in the entry area during Pushing the cable into the slot for displacement of the cable insulation, whereby the Leittingskern forming wires in contact get to the leg edges.
  • the inventively provided Rejuvenation of the clamping area its basic shape of steadily is formed to running cutting edges, leads when pressed the freed by the cutting edges of the insulation line to a advantageous sorting of the wires, which frees up space between almost eliminated the veins and arranged the veins in such a way and packed that there are practically no gaps left between the veins are.
  • the sorting according to the invention ensures an optimal Seat of the core packet in the tapered clamping area, the due to this sorting is optimally packed and against slipping out from the clamping area even with strong vibrations of the connector is secured. Furthermore, the invention provides a particularly gentle Safe sorting by preventing damage to the wires and in particular the risk of cutting or cutting the Cores is eliminated.
  • the inventive design of the clamping area advantageously allows contacting different Lines, in particular with regard to the cross-sectional shape and / or the cross-sectional size of the wires differ from each other, wherein either one or more lines contacted and their cores sorted and thus as optimally packed core package in the Clamping area of the slot can be held.
  • the clamping region of the slot thus forms a combined sorting and clamping portion of the slot by the Clamping range even for a particularly secure clamping seat and careful sorting takes care of.
  • End region can the elasticity of the clamping legs and their Clamping force can be adapted specifically to the particular application. This adjustment can be done by varying the shape and size of the end area respectively.
  • the end region follows not immediately tapered to the clamping area, but initially expanded, As it turns out, there is a wear of for manufacturing punching tools used in the connector according to the invention minimized.
  • the end area provides space for insulation created the electrical conductor, which flow into this area can.
  • the Clamping area over its entire length without deviation from its Basic shape.
  • the slot is tapered steadily, i. the slit width decreases in the direction of the end area more and more. It has been found that with such a tapered clamping area an optimal sorting and at the same time a secure clamping seat the cores of one or more depressed into the slot lines can be realized.
  • the Clamping area of its basic shape by at least one extension differs.
  • this extension is in the form of a comparison to the length of the clamping area short indentation in at least one provided the leg edges.
  • the extension can be designed such that the core package or at least part of it is clasped around, causing the line even better against slipping out of the slot is secured. Furthermore, by the embodiment and in particular by specifically adapting the form of enlargement to each one contacting line (s) a further improved fit of the wires in the Clamping range can be achieved.
  • the Clamping area or its basic shape of funnel-like shape is the Clamping area or its basic shape of funnel-like shape.
  • the End area shorter than the clamping area. Furthermore, it is preferably provided that the end region is formed circular or drop-shaped.
  • the at upright connector provide a horizontal abutment edge, can advantageously a for pressing the connector in one Recording tool used to be set.
  • the shoulders worry on the one hand for an optimal absorption and distribution of the indentation force in the connector and on the other hand prevent slipping off when pressed used tool.
  • the entrance area and the clamping area of the slot together have a funnel-like tapering basic shape and in particular avoiding steps in the leg edges flow smoothly into each other.
  • the connector has a width at least at the level of the entry region which in such a way to a respective, in particular designed as a chamber Connector receptacle is tuned that this when inserting a Lead in the slot, however, allows spreading the thighs though limited to a predetermined amount.
  • the adaptation of the width of the connector to the chamber dimensions ensures advantageously that the clamping legs when pushing the line in the slot only spread so far until they hit the chamber walls.
  • the width of the connector may vary depending on the chamber dimensions be selected in an advantageous manner so that the clamping legs remain in the elastic range during spreading and no flow of the Material occurs. This preserves the elasticity of the legs, thereby increasing the design of the connector according to the invention specified clamping force on the core in the clamping area the conductor even after pressing the conductor into the slot and in particular even after multiple use of the connector still full to Available.
  • the slot in a strip-shaped and at least in the region of the slot approximately rectangular basic shape having formed contact arm, whose parallel to the slot extending longitudinal sides each provided with at least one recess are.
  • the shape of the recesses of the inventive Connector or provided with the slot contact arm carried out in such a way be that when pushing the conductor into the slot as well effective in the slot clamped conductor in the material of the connector Forces and the resulting stresses as possible evenly over the entire connector or over the respective Contact arm are distributed.
  • an optimal torque curve in the connector or be achieved in contact arm can be determined according to the finite element method.
  • the recesses each at least approximately the same length as the clamping area of the slot and located approximately at the level of the clamping area are.
  • the depth of the recesses is preferably substantially smaller than the depth Length and in particular smaller than the minimum slot width.
  • a further preferred embodiment of the invention suggests that the Long sides of the contact arm in each case in particular following recesses with a short compared to the length of the recesses Bulge are provided. With such bulges of the Moments are optimized in the connector or contact.
  • the inventive electrical connector shown in FIGS. 1 and 2 is a punched / bent part produced from a flat sheet material, that of a bent into a U-shape with parallel contact arms 33 Material strip consists.
  • the contact arms 33 are perpendicular to one the U-web 41 forming material section, which is so far recessed, that only comparatively narrow connecting strips between the both contact arms 33 have remained.
  • the two contact arms 33 are with the exception of their free end area, closer to elsewhere is received, identical and executed in each case symmetrical.
  • Each contact arm 33 is provided with a central slot 15 which is of two insulation displacement limbs 17 is limited.
  • the slot 15 ends before a holding portion 43 of the contact arm 33, the closer elsewhere is explained.
  • the two the slot 15 limiting leg 17 of each contact arm 33 together form a cutting clamp 11, on which a multi-core electrical line can be contacted with the contact arm 33.
  • a multi-core electrical line can be contacted with the contact arm 33.
  • the line at the same time in the two from each other spaced slots 15 is pressed.
  • the insulation of the pipe is formed when pressed with as cutting, this particular beveled leg edges cut open and displaced, causing on further insertion of the wire their veins with the leg edges come into contact and clamped between the legs 17 become.
  • the Connector Before pressing a line in the slot 15 is preferably the Connector first in a receiving chamber of a multi-chamber provided receiving housing. It works with sawtooth Long sides 45 provided, a total of a Christmas tree-like Shape holding portion 43 of the contact arm 33 with a corresponding recess of the receiving housing together, that the barb-like projections of the holding portion 43 the Keep the connector captive on the housing.
  • the barb-like projections can also be closer to the insulation displacement terminal 11 located areas of the longitudinal sides of the contact arm 33rd be provided, e.g. to the in the embodiment of FIGS. 1 and 2 straight Sections between the slot end and the transition into the Holding section 43.
  • the slots 15 are each in an entry region 19 with shoulders 31 each provided from a vertical and from a parallel to Slot axis extending leg edge are formed. Also prevent the shoulder portions 31 slippage during insertion of the Connector tool used in one of the shoulders 31 limited pre-area 19a is used.
  • the inlet region 19 is in a funnel-like tapering from convex curved leg edges limited clamping region 27, which is longer than the entrance area 19.
  • the cutting edges of the legs 17 provided in the entry region 19 extend for example from the one beginning region 19b delimiting parallel to the slot axis extending edges of the shoulders 31st to the convex curved leg edges 21st
  • the entry area forms - from the slot end from considered - an extension of the clamping portion 27 under Continuation of the convex curvature of the leg edges 21 and without step or edge-shaped transitions such that the slot funnel-like extended up to the contact arms 33 connecting U-web 41, wherein the cutting edges turn in - now a part of the clamping area forming - inlet region of the slot are formed.
  • the exact length and positioning of the formed as cutting areas can basically be chosen arbitrarily.
  • the cutting edges may e.g. provided only in the straight beginning area 19b but can also extend into the clamping region 27 inside. Preferred is a - viewed along the slot axis - short Extension of the cutting edges provided, whereby in an advantageous Way space is saved.
  • the funnel-like tapered clamping portion 27 ensures the further Pressing the line for an advantageous gentle sorting of the Lead core forming wires, creating unwanted free spaces or Gaps between the wires are eliminated and one for an optimal one Clamping fit conducive order is achieved within a vein composite.
  • an end portion 29 closes with a teardrop-shaped outline that is much shorter than the one Clamping region 27 and shorter than the inlet region 19 is.
  • the maximal Width of the end portion 29 is significantly greater than the slot width on End of the clamping area 27 and smaller than the slot width in the inlet area 19th
  • the shape and size of the end portion 29 are determining for the Elasticity and the clamping force of the legs 17, wherein the illustrated Drop shape of the end portion 29 in conjunction with the rest Design features of the connector as optimal in this regard Has.
  • An optimal distribution of the forces acting on the connector and an optimal torque curve in the connector is through recesses Achieved 35, each formed on the longitudinal sides of the contact arms 33 are.
  • the recesses 35 have a small depth and are parallel to the longitudinal axis of the slot 15 extending longitudinal sides of the contact arm 33 limited.
  • the length of the recesses 35 corresponds approximately that of the clamping region 27, wherein the recesses 35 relative to the slot 15 is slightly offset in the direction of the holding portion 43 are arranged.
  • the width of the contact arm 33 is not on the Basic width in the inlet area 19, but on the reduced width in the Area of the recesses 35 back.
  • the bulges 47 and the Recesses 35 provide in conjunction with the other design features the connector, in particular with the end portion 29 of the Slot 15, for an optimal distribution of the acting forces and the resulting tensions.
  • the bulges provide 47 for a particularly good fit of the connector in the respective Receiving chamber.
  • the embodiment shown in Fig. 3 of the connector according to the invention differs from that described in connection with FIGS. 1 and 2 Embodiment only in that the slot 15 in Clamping region 27 is formed asymmetrically in so far as one of the Clamping region 27 limiting leg edges with a recess is provided.
  • the clamping region 27 thereby has one from the inlet region 19 and the end portion 29 spaced extension 51, in which the clamping region 27 on one side of a concave curved Limb edge portion is limited.
  • extension 51 is in the clamping area 27 more space for the Line veins available, which is not provided with the extension 51 Leg edge an optimal and very gentle guidance and sorting the wires when pressing in the line guaranteed. Further, the extension 51 increases the pull-out of the line the slot 15 expended force.
  • the connector according to the invention can in principle for any multi-core electrical cables are used.
  • the lines can both in terms of the number of wires, the cross section of Distinguish wires or the total line cross section from each other.
  • the connector according to the invention ensures a reliable Slicing and displacing the cable insulation in the inlet area and an optimal, gentle sorting of the wires and a solid and secure clamping seat of sorted by the staple core package through the leg edges, which run continuously towards one another limited basic shape of the clamping region 27, where due in particular through the end portion 29 of the slot 15 selectively set elasticity and clamping force of the legs 17 a in both electrical and mechanically optimal connection between the line or their cores and the component connected to the terminal section 13, e.g. a board is achieved.

Landscapes

  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (24)

  1. Connecteur électrique pour des lignes électriques multifilaires équipées au moins d'une borne guillotine (11) en vue du contact d'au moins une ligne électrique et
       au moins d'un tronçon de connexion (13) en vue du contact d'un composant à relier électriquement à la ligne électrique,
       dans lequel la borne guillotine (11) est formée par deux bords de borne guillotine (17) délimitant une encoche (15) pour la ligne électrique, qui sont formés de sorte que l'encoche (15)
    présente une zone d'introduction (19) délimitée par les arêtes de coupe des bords au moins dans un secteur,
    qui se transforme en une zone de serrage (27) se rétrécissant et présentant une forme fondamentale limitée par des arêtes de bord s'étendant l'une vers l'autre de façon continue, qui est plus longue que la zone d'introduction (19) et
    à laquelle se connecte une zone terminale (29) d'abord évasée et ensuite se rétrécissant jusqu'à l'extrémité d'encoche,
    caractérisé en ce que la zone de serrage (27) ou sa forme fondamentale est délimitée par des arêtes de bord (21) courbées de façon convexe.
  2. Connecteur selon la revendication 1, caractérisé en ce que la zone de serrage (27) ou sa forme fondamentale est réalisée sous forme d'entonnoir.
  3. Connecteur selon l'une des revendications précédentes, caractérisé en ce que la zone de serrage (27) s'écarte de sa forme fondamentale d'au moins un élargissement (51), qui est prévu de préférence sous la forme d'une courte rainure en comparaison de la longueur de la zone de serrage (27) dans au moins une des arêtes de bords.
  4. Connecteur selon la revendication 3, caractérisé en ce que l'élargissement (51) est relié à une partie intermédiaire délimitée par la zone d'introduction (19) et la zone terminale (29) de la zone de serrage (27).
  5. Connecteur selon la revendication 3 ou 4, caractérisé en ce que, en vue de la formation de l'élargissement (51), seulement une des arêtes de bord s'écarte de son tracé déterminant la forme fondamentale de la zone de serrage (27).
  6. Connecteur selon l'une des revendications précédentes, caractérisé en ce que la zone terminale (29) est plus courte que la zone de serrage (27).
  7. Connecteur selon l'une des revendications précédentes, caractérisé en ce que la zone terminale (29) est réalisée sous la forme d'un cercle ou d'une goutte.
  8. Connecteur selon l'une des revendications précédentes, caractérisé en ce que, dans la zone d'introduction (19), sont prévues des parties d'épaulement (31) délimitées par les arêtes de bord s'étendant sensiblement verticalement à l'axe longitudinal de l'encoche (15).
  9. Connecteur selon l'une des revendications précédentes, caractérisé en ce que des arêtes de bord s'étendant sensiblement parallèlement à l'axe longitudinal de l'encoche (15) sont situées devant les arêtes de bord (21) de la zone d'introduction (19), qui délimitent une zone de début (19b) de la zone d'introduction (19).
  10. Connecteur selon l'une des revendications précédentes, caractérisé en ce qu'une pré-zone (19a) délimitée de préférence par les arêtes de bord s'étendant sensiblement parallèlement à l'axe longitudinal de l'encoche (15) est située devant la zone de début (19b).
  11. Connecteur selon la revendication 10, caractérisé en ce que la transition de la pré-zone (19a) dans la zone de début (19b) est formée par les parties d'épaulement (31), qui sont réalisées de préférence respectivement par les arêtes de bord s'étendant orthogonalement l'une par rapport à l'autre.
  12. Connecteur selon l'une des revendications 1 à 7, caractérisé en ce que la zone d'introduction et la zone de serrage présentent conjointement une forme fondamentale se rétrécissant en forme d'entonnoir et en particulier se mélangent de façon fluide dans les arêtes de bord pour éviter les redents.
  13. Connecteur selon l'une des revendications précédentes, caractérisé en ce que la largeur maximale de la zone de serrage (27) est inférieure et en particulier sensiblement inférieure à sa longueur.
  14. Connecteur selon l'une des revendications précédentes, caractérisé en ce que la zone de serrage (27) est respectivement plus longue que la zone d'introduction (19) et/ou que la zone terminale (29).
  15. Connecteur selon l'une des revendications précédentes, caractérisé en ce que la largeur maximale de la zone terminale (29) est inférieure à la largeur d'encoche dans la zone d'introduction (19).
  16. Connecteur selon l'une des revendications précédentes, caractérisé en ce qu'il présente, au moins dans l'épaisseur de la zone d'introduction (19), une largeur qui est déterminée par la réception de connecteur respective réalisée en particulier sous forme de chambre, en ce que celle-ci permet, lors de l'insertion d'une ligne électrique dans l'encoche (15), un élargissement des bords (17), cependant limité dans une mesure prédéterminée.
  17. Connecteur selon l'une des revendications précédentes, caractérisé en ce que l'encoche (15) est réalisée sous forme d'un bras de contact (33) sous forme de bande et présentant au moins dans la zone d'encoche (15) une forme fondamentale sensiblement rectangulaire, dont les côtés longitudinaux s'étendant parallèlement à l'encoche (15) sont prévus respectivement avec au moins un évidement (35).
  18. Connecteur selon la revendication 17, caractérisé en ce que les évidements (35) sont délimités par les côtés longitudinaux s'étendant au moins sensiblement parallèlement à l'encoche (15) du bras de contact (33).
  19. Connecteur selon la revendication 17 ou 18, caractérisé en ce que les évidements (35) présentent respectivement au moins de façon approximative les mêmes longueurs que la zone de serrage (27) de l'encoche (15) et sont situées sensiblement dans l'épaisseur de la zone de serrage (27).
  20. Connecteur selon l'une des revendications 17 à 19, caractérisé en ce que la profondeur des évidements (35) est sensiblement inférieure à leur longueur et en particulier inférieure à la largeur d'encoche minimale.
  21. Connecteur selon l'une des revendications précédentes, caractérisé en ce que les côtés longitudinaux du bras de contact (33) sont munis respectivement, en particulier dans la connexion aux évidements (35), d'une courte indentation (47) de préférence en comparaison de la longueur des évidements (35).
  22. Connecteur selon l'une des revendications précédentes, caractérisé en ce que l'encoche (15) et en particulier un bras de contact (33) muni de l'encoche (15) sont réalisés symétriquement par rapport à l'axe longitudinal de l'encoche (15).
  23. Connecteur selon l'une des revendications précédentes, caractérisé en ce qu'il est courbé en forme de U avec deux bras de contact (33) s'étendant sensiblement parallèlement et présentant respectivement au moins une encoche (15) s'étendant depuis le profilé en U (41), qui sont réalisés identiques de préférence au moins dans la zone de l'encoche (15).
  24. Connecteur selon l'une des revendications précédentes, caractérisé en ce que la borne guillotine (11) se transforme en un tronçon de support (43), qui présente en particulier des côtés longitudinaux (45) réalisés en dents de scie, munis de parties saillantes en forme de crochets.
EP02013507A 2001-06-20 2002-06-17 Connecteur électrique Expired - Lifetime EP1271695B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10129615A DE10129615A1 (de) 2001-06-20 2001-06-20 Elektrischer Verbinder
DE10129615 2001-06-20

Publications (2)

Publication Number Publication Date
EP1271695A1 EP1271695A1 (fr) 2003-01-02
EP1271695B1 true EP1271695B1 (fr) 2005-03-16

Family

ID=7688746

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02013507A Expired - Lifetime EP1271695B1 (fr) 2001-06-20 2002-06-17 Connecteur électrique

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EP (1) EP1271695B1 (fr)
DE (2) DE10129615A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016124636A1 (fr) 2015-02-03 2016-08-11 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Moteur électrique et ensemble de connexion pour celui-ci

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4813884A (en) * 1987-12-11 1989-03-21 Molex Incorporated High contact pressure insulation displacement terminal for multi-strand wire
US4952169A (en) * 1989-06-27 1990-08-28 Amp Incorporated Sealed electrical connector employing insulation displacement terminals
DE4225078A1 (de) * 1992-07-29 1994-02-03 Grote & Hartmann Schneidklemmkontaktelemente mit Codierungseinrichtung
DE4238533C2 (de) * 1992-11-14 1994-09-22 Minnesota Mining & Mfg Kontaktelement für Steckverbindung
DE19807938A1 (de) * 1997-12-18 1999-08-26 Whitaker Corp Steckverbinder bestehend aus einem Gehäuse und mindestens einem Kontakt
DE19937313C1 (de) * 1999-08-10 2001-08-23 Fritz Eigen Messerkontakt

Also Published As

Publication number Publication date
DE50202462D1 (de) 2005-04-21
DE10129615A1 (de) 2003-01-02
EP1271695A1 (fr) 2003-01-02

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