EP1503456B1 - Connecteur électrique plus particulièrement avec fiche ronde - Google Patents

Connecteur électrique plus particulièrement avec fiche ronde Download PDF

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Publication number
EP1503456B1
EP1503456B1 EP04015165.6A EP04015165A EP1503456B1 EP 1503456 B1 EP1503456 B1 EP 1503456B1 EP 04015165 A EP04015165 A EP 04015165A EP 1503456 B1 EP1503456 B1 EP 1503456B1
Authority
EP
European Patent Office
Prior art keywords
contact
plug connector
connector according
section
spring tongue
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.)
Active
Application number
EP04015165.6A
Other languages
German (de)
English (en)
Other versions
EP1503456A1 (fr
Inventor
Karl-Heinz Broig
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.)
Lumberg Automation Components GmbH and Co KG
Original Assignee
Lumberg Automation Components GmbH and Co KG
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 Lumberg Automation Components GmbH and Co KG filed Critical Lumberg Automation Components GmbH and Co KG
Publication of EP1503456A1 publication Critical patent/EP1503456A1/fr
Application granted granted Critical
Publication of EP1503456B1 publication Critical patent/EP1503456B1/fr
Anticipated expiration legal-status Critical
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/48275—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end with an opening in the housing for insertion of a release tool
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2107/00—Four or more poles

Definitions

  • the invention relates to an electrical connector having a contact carrier made of insulating material and therein received in contact channels contact elements, each having a arranged in the contact carrier connection portion having a screwless terminal for a conductor and a contact member emerging from the contact portion, in particular circular connector with coaxially arranged contact elements and axially in these merging ladders, according to the preamble of claim 1.
  • Circular connectors are characterized in that in their contact carrier a number of coaxial with the contact carrier, ie coaxially to the longitudinal central axis of the connector, extending elongated contact elements are arranged.
  • the stripped conductor ends of the conductors are inserted into the terminal portion of the respective contact element, wherein the plugging direction and also the direction of the inserted into the connector lines are also directed coaxially.
  • Out DE 197 08 663 C1 is a designed as a circular connector cable connector is known, which has contact elements with screwless terminals for the insulation displacement technology.
  • an insulation displacement member is provided as a separate part on each contact element, which with a contact plate transverse to the axis of the cable core a recess of the terminal side end portion of the plug contact part interspersed. The arrangement is otherwise made such that the insulation displacement member is arranged captive in a Vorverrastposition in the plug contact part.
  • the insulated individual wires are inserted into the terminal ends of the contacts and then moved the respective insulation displacement members by means of a pliers-shaped tool from its Vorverrastposition in the contact set position in which the insulation displacement fork the insulating sheath of the respective conductor and cut into its individual core cuts.
  • the cable connector accordingly DE 197 08 663 C1 is advantageous over the known connector with screw terminals, since the required components of the contact elements can be designed as a relatively simple stamped and bent parts.
  • each contact element Apart from the required bipartite of each contact element is mainly the disadvantage that the cable connector can only be used for connection of rigid cable cores, so single cores, but not for conductors with strand cores due to the applied insulation displacement technology.
  • the invention achieves this object with the features of independent claim 1 and is therefore characterized in that the connecting portion of each contact element forms a spring tongue and this against an abutment portion against which the spring tongue is biased, and that the spring tongue is a control member is assigned, via which the spring tongue by means of an auxiliary tool from the abutment portion can be lifted and thereby the connection portion for inserting or removing a conductor to open.
  • the contact element may consist entirely of a one-piece and one-piece component.
  • the conductor connection neither screws nor special, i. separate clamping and / or cutting elements required.
  • the conductor does not have to open the screwless connection terminal formed by the connection section of the contact element itself, but that it must be opened by means of an auxiliary tool for insertion (as well as removal) of a conductor. Therefore, even pliable conductors can be mechanically and electrically connected to the contact elements readily.
  • the auxiliary tool may e.g. a screwdriver or similar tool, which is used when connecting conductors to the connector.
  • a screwdriver or similar tool which is used when connecting conductors to the connector.
  • it can also be conceived to carry out an auxiliary tool or several in the manner of punches, so that the conductor connection could be integrated into an automatic assembly.
  • an advantageous feature is that it is connected to a central contact section, with which the contact element is anchored in the contact carrier, and is approximately coaxial with the contact portion of the contact element, however extends in the opposite direction from this away. This leads to a relatively slim and thin contact element.
  • a free end portion of the spring tongue is formed as a contact plate, which is e.g. a strand over a large area and thus can contact very safe.
  • the control member may according to another embodiment, a one-piece cohesive component of the spring tongue and it may be assigned to the contact plate.
  • control member is formed as formed on the contact plate, provided with a control surface for engagement of the auxiliary tool tab.
  • the control surface of the control member may be formed and / or arranged such that the spring tongue lifts by moving the auxiliary tool substantially parallel to its longitudinal direction from the abutment, including the control member, laterally connected to the contact plate, as formed approximately at right angles from the plane bent tab is.
  • the abutment portion of the contact element may form a contact plate of the spring portion opposite contact plate on which a bent approximately at right angles out of its plane tab is designed as a conductor stop.
  • the contact plates may be provided with strain relief members, e.g. may be formed by a conductor substantially undulating between embracing forms of the contact plates.
  • the connector may finally be designed so that the contact carrier is associated with a latchable with this and channels for engaging the terminal portions of the contact elements exhibiting lid member.
  • This cover element is effectively an extension of the contact carrier, because the contact carrier and the latched with him cover element holds the contact elements substantially form-fitting in place.
  • the invention provides an electrical connector available that has easy to manufacture and trained contact elements to which stripped conductor ends of the usual type - whether individual wires or strands - electrically and mechanically connect very safe.
  • Fig. 1 shows essential parts of an electrical connector 10 generally designated.
  • 11 denotes a made of insulating material, in particular injection-molded contact carrier for receiving contact elements 12, of which in Fig. 1 only two are shown.
  • the lid 13 has tongue-like locking elements 15 and a coding nose 16 for positionally correct assignment to the contact carrier 11. Since the contact elements 12 extend both within the actual contact carrier 11 and in the lid 13, this is to be regarded as part of the contact carrier 11.
  • a contact element 12 comprises a plurality of functional sections. Approximately in the middle of the slender, elongate contact element 12 is a contact portion 17 with a notched and issued abutment tongue 18 for anchoring the contact element 12 in the contact channel 14 of the contact carrier eleventh
  • a contact portion 19 which in the embodiment of the Fig. 2a and 2b as a male pin 20 and in the execution of the Fig. 3a and 3b is formed as a female contact sleeve 21.
  • pin 20 is produced by punching and a subsequent rolling process from a flat sheet metal blank. It can be seen in the figure, the surface line 22 at which the longitudinal edges of the rolled blank abut each other.
  • connection section 23 of the contact element 12 On the side of the middle section 17 facing away from the contact section 19, the so-called connection section 23 of the contact element 12 is formed.
  • This connection section 23 comprises a narrow, elongate spring tongue 24, which is connected to the middle section 17 in the region of a transverse line designated 25, which may also be designed as material weakening.
  • the spring leg 24 opens into a free end portion 26, which is also referred to below as a contact plate.
  • This contact plate 26 is under the action of the spring leg 24 immanent spring force against an abutment portion 27, the end region also has a plate-shaped configuration and therefore also referred to here as a contact plate 28.
  • This contact plate 28 is - like the Fig. 2a and 2b clearly show - the contact plate 26 of the spring leg 24 directly opposite, so that the contact plate 26, the contact plate 27 can act resiliently.
  • a designated 30 tab is bent up by about 90 °. This tab 30 serves as a lateral limit stop for a conductor to be inserted in the direction of the arrow 31 and for its lateral guidance.
  • connection portion 23 can be opened for ladder assembly.
  • the contact plate 26 of the spring tongue 24 is lifted from the contact plate 28 of the abutment portion 27.
  • control member 32 consists of a tab 33 which is connected as a lateral extension of the contact plate 26 along a designated 34 line at this and then angled at about 90 °.
  • the tying line 34 is opposite to the tying line 29, and the directions of the bends of the tab 33 and the tab 30 are in opposite directions. This creates an almost closed, approximately rectangular cavity in which the conductor can be inserted in the conductor insertion direction 31 protected on all sides.
  • control the control member 32 is a control surface 35 which is formed as a slant or sliding surface at her.
  • a force directed approximately in the direction of the arrow 31 parallel arrow 36 causes a control of the control member 32 with respect to Fig. 2b upward, ie in the opening direction of the connecting portion 23, with the result that the contact plate 26 of the spring tongue 24 is lifted from the contact plate 28 of the abutment portion 27.
  • the state of the opened terminal portion 23 is shown, for example Fig. 3b ,
  • Fig. 3b also shows 37 denoted deformations or indentations, which possibly cooperate with similar, preferably staggered deformations in the region of the contact plate 28 and in the closed state of the terminal form a strain relief for the conductor therein, which is slightly wavy bent. This is shown by the Fig. 4a and 4b especially once again.
  • the Fig. 3a and 3b can also recognize that the local contact portions 19 are formed by contact sleeves or tube contacts, that a total of four longitudinally extending strips 38 are formed into a hollow body approximately square in cross-section.
  • Fig. 5 and 6 illustrate the arrangement of the contact elements 12 described above in the insulating parts of a connector 10th
  • Fig. 5 are three contact elements in the contact carrier 11 to see and also how they are partially disposed within the latched to the contact carrier 11 lid.
  • Fig. 5 also shows that 13 contact channels 38 are present in the region of the cover 11 associated with the contact carrier.
  • Each contact channel 38 is another, parallel aligned channel 39, in which from the side, the respective control member 32 of a contact element 12 engages in such a way that its control surface 35 projects into the path of movement of an auxiliary tool, not shown, when this in the direction of arrow 36th in the longitudinal direction of the channel 39 is advanced.
  • Fig. 6 shows in the right half an opened by means of an opening tool not shown here, in which now a stripped conductor end can be inserted in the direction of arrow 31.
  • a stripped conductor end can be inserted in the direction of arrow 31.
  • a conductor 40 contact element 12 is illustrated in the left half of Fig. 6 .
  • the opening of the terminal portions 23 of each contact element 12 could also be from a machine or accomplish machine-guided auxiliary tool. This could facilitate automatic automation of a connector 10 with conductors to be connected thereto.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)

Claims (17)

  1. Connecteur électrique (10) comportant un support de contact (11 ; 13) constitué d'un matériau isolant et d'éléments de contact (12) reçus dans celui-ci, dans des canaux de contact (14 ; 38), lesquels éléments de contact comportent respectivement une section de connexion (23) disposée dans le support de contact (11), comportant une borne de connexion non vissée destinée à un conducteur (40) et une section de contact (19) sortant du support de contact (11), et plus particulièrement, connecteur arrondi comportant un élément de contact (12) disposé de manière coaxiale et des conducteurs (40) débouchant axialement dans ceux-ci, caractérisé en ce que la section de connexion (23) de chaque élément de contact (11) forme une languette élastique (24) et en ce qu'elle forme de manière opposée à ladite languette élastique une section d'appui (27) contre laquelle la languette élastique (24) est précontrainte, et en ce qu'à la languette élastique (24) est associé un organe de commande (32) par l'intermédiaire duquel la languette élastique (24) peut être enlevée de la section d'appui (27) au moyen d'un outil auxiliaire, et la section de connexion (23) pouvant ainsi s'ouvrir pour introduire ou retirer un conducteur (40).
  2. Connecteur selon la revendication 1, caractérisé en ce que la languette élastique (24) est liée à une section de contact médiane (17) au moyen de laquelle l'élément de contact (12) est ancré dans le support de contact (11) et qui s'étend de manière pratiquement coaxiale à la section de contact (19) de l'élément de contact (12), mais dans une direction opposée à celui-ci.
  3. Connecteur selon la revendication 1 ou 2, caractérisé en ce qu'une section d'extrémité libre de la languette élastique (24) est réalisée sous la forme d'une plaque de contact (26).
  4. Connecteur selon la revendication 1, caractérisé en ce que l'organe de commande (32) fait partie intégrante de la languette élastique (24) par complémentarité de matériau.
  5. Connecteur selon l'une quelconque des revendications précédentes, caractérisé en ce que l'organe de commande (32) est associé à la plaque de contact (26).
  6. Connecteur selon la revendication 5, caractérisé en ce que l'organe de commande (32) est réalisé sous la forme d'une patte (33) formée sur la plaque de contact (26) et munie d'une surface de commande (35) destinée à venir en prise avec l'outil auxiliaire.
  7. Connecteur selon la revendication 5 ou 6, caractérisé en ce que la surface de commande (35) de l'organe de commande (32) est réalisée et/ou agencée de manière à ce que la languette élastique (24) se dégage du support d'appui par un mouvement de l'outil auxiliaire dans une direction sensiblement parallèle à sa direction longitudinale.
  8. Connecteur selon l'une quelconque des revendications précédentes, notamment selon la revendication 6, caractérisé en ce que l'organe de commande (32), relié latéralement à la plaque de contact (26), est réalisé une patte (33) coudée de façon sensiblement perpendiculaire en dehors du plan de l'organe de commande.
  9. Connecteur selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un autre canal (39) respectif s'étendant de manière sensiblement parallèle et destiné à l'insertion de l'outil auxiliaire est disposé dans le support de contact (11 ; 13) à côté des canaux de contact (14 ; 38) et en ce que l'organe de commande (32) fait saillie dans ledit canal et, par l'intermédiaire de sa surface de commande (34), dans la trajectoire de déplacement de l'outil auxiliaire.
  10. Connecteur selon la revendication 3, caractérisé en ce que la section d'appui (27) de l'élément de contact (12) forme une plaque de contact (28) opposée à la plaque de contact (26) de la section élastique (24).
  11. Connecteur selon la revendication 8, caractérisé en ce qu'une patte (30) coudée sensiblement perpendiculairement à son plan est formée latéralement sous la forme d'une butée de conducteur sur la plaque de contact (28) de la section d'appui (27) de l'élément de contact (11).
  12. Connecteur selon la revendication 8 ou 11, caractérisé en ce que, dans l'état écarté de la branche élastique (24), les pattes (33, 30) forment avec les plaques de contact (26, 28) un canal d'insertion de conducteur sensiblement tubulaire.
  13. Connecteur selon les revendications 3 et 9, caractérisé en ce que les plaques de contact (26, 28) sont munies d'organes de réduction de la contrainte de traction.
  14. Connecteur selon la revendication 10, caractérisé en ce que les organes de réduction de la contrainte de traction sont réalisés par des évidements (37) des plaques de contact (26, 28) qui enserrent un conducteur (40) sensiblement la forme d'un arbre.
  15. Connecteur selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un élément de capot (13) présentant également des canaux (38) destinés à l'insertion des sections de connexion (23) des éléments de contact (11) est associé au support de contact (11) et peut être encliqueté dans celui-ci.
  16. Connecteur selon la revendication 15, caractérisé en ce que le support de contact (11) et l'élément de capot (13) encliqueté dans celui-ci maintiennent en place les éléments de contact (11) sensiblement par complémentarité de forme.
  17. Connecteur selon l'une quelconque des revendications précédentes, caractérisé en ce que les éléments de contact (11) sont constitués, y compris leurs sections de connexion (23), de pièces estampées et pliées d'un seul tenant.
EP04015165.6A 2003-07-26 2004-06-29 Connecteur électrique plus particulièrement avec fiche ronde Active EP1503456B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10334193 2003-07-26
DE10334193A DE10334193A1 (de) 2003-07-26 2003-07-26 Elektrischer Steckverbinder, insbesondere Rundsteckverbinder

Publications (2)

Publication Number Publication Date
EP1503456A1 EP1503456A1 (fr) 2005-02-02
EP1503456B1 true EP1503456B1 (fr) 2016-08-10

Family

ID=33521422

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04015165.6A Active EP1503456B1 (fr) 2003-07-26 2004-06-29 Connecteur électrique plus particulièrement avec fiche ronde

Country Status (2)

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EP (1) EP1503456B1 (fr)
DE (1) DE10334193A1 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3418536A1 (de) * 1984-05-18 1985-11-21 Harting Elektronik Gmbh, 4992 Espelkamp Schraubenlose anschluss- oder verbindungsklemme
US5324213A (en) * 1993-01-21 1994-06-28 The Whitaker Corporation Ballast connector
GB2294817B (en) * 1994-11-01 1998-08-05 Whitaker Corp An electrical connector assembly and an electrical terminal therefor
DE19708663C1 (de) * 1996-04-13 1997-12-04 Hirschmann Richard Gmbh Co Kabelsteckverbinder
IT1283503B1 (it) * 1996-07-25 1998-04-21 Claber Spa Morsetto a leva per connettori elettrici
DE29707710U1 (de) * 1997-04-29 1998-06-25 Bals Elektrotechnik Gmbh & Co Kg Schraubenlose Steckverbindung
US6254422B1 (en) * 1997-08-25 2001-07-03 Phoenix Contact Gmbh & Co. Electronic terminal for use on circuit boards
DE10145324C2 (de) * 2001-09-14 2003-07-31 Harting Kgaa Elektrisches Anschlusselement
DE20205805U1 (de) * 2001-11-09 2003-03-27 Bals Elektrotechnik Gmbh & Co Kg Leiter-Anschlussklemme

Also Published As

Publication number Publication date
EP1503456A1 (fr) 2005-02-02
DE10334193A1 (de) 2005-02-24

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