EP1783868B1 - Broche de contact estampée et courbée - Google Patents

Broche de contact estampée et courbée Download PDF

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Publication number
EP1783868B1
EP1783868B1 EP06122990.2A EP06122990A EP1783868B1 EP 1783868 B1 EP1783868 B1 EP 1783868B1 EP 06122990 A EP06122990 A EP 06122990A EP 1783868 B1 EP1783868 B1 EP 1783868B1
Authority
EP
European Patent Office
Prior art keywords
pin
connection head
contact pin
extension
pin extension
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
EP06122990.2A
Other languages
German (de)
English (en)
Other versions
EP1783868A1 (fr
Inventor
Volker Lazzaro
Stefan Gattwinkel
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.)
Amad Mennekes Holding GmbH and Co KG
Original Assignee
Amad Mennekes Holding 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
Priority claimed from DE102005053565A external-priority patent/DE102005053565A1/de
Application filed by Amad Mennekes Holding GmbH and Co KG filed Critical Amad Mennekes Holding GmbH and Co KG
Publication of EP1783868A1 publication Critical patent/EP1783868A1/fr
Application granted granted Critical
Publication of EP1783868B1 publication Critical patent/EP1783868B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/04—Pins or blades for co-operation with sockets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/428—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members
    • H01R13/432—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members by stamped-out resilient tongue snapping behind shoulder in base or case
    • 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
    • H01R4/242—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 being plates having a single slot
    • 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
    • H01R4/4819—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 the spring shape allowing insertion of the conductor end when the spring is unbiased
    • H01R4/4821—Single-blade spring
    • 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
    • H01R4/4846—Busbar details
    • H01R4/4848—Busbar integrally formed with the spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
    • 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
    • H01R4/4846—Busbar details
    • H01R4/485—Single busbar common to multiple springs

Definitions

  • the invention relates to a connector pin, which is formed from a flat material, and a power connector device with at least one such connector pin.
  • a pin which is formed from a flat material, and a power connector device with at least one such connector pin.
  • a pin which is formed from a flat material, and a power connector device with at least one such connector pin.
  • a pin whose pin extension consists of a cylindrical metal shell with an elastic filling.
  • a connection head At one end of the pin extension is a connection head with which an electrical connection conductor can be mechanically and electrically connected by crimping.
  • the plug pin according to the invention comprises a pin extension, which is typically cylindrical in shape and can be inserted in a complementary shaped contact socket when using the plug pin.
  • a connection head At one end of the pin extension is a connection head to which at least one electrical connection conductor can be attached.
  • Both the pin extension and the connection head are formed from a metallic sheet. This may in particular be the same piece of material n, so that the pin extension and the connection head are integrally formed.
  • the spring element is subject During and / or after the installation of a connecting lead, at most reversible (elastic) deformations, but not permanent (plastic). It therefore has the same "resting form" when using a connecting conductor as without such a conductor or a shape that results from elastic deformation of the resting form.
  • the spring element is a separate part which is inserted into the connection head.
  • the spring element allows a quick and easy connection of a cable by the conductor is simply clamped in the connection head by the elastic force of the spring element. Complex bending of material such as crimping is not required.
  • the clamping connection with the spring element has the advantage of being reversible, so that connecting conductors can in principle be connected as often as desired to the pin and then released therefrom.
  • the free end of the pin extension may be open or preferably closed.
  • the latter has the advantage that no foreign material or dirt can penetrate into the hollow interior of the pin extension.
  • the free end is further tapered or rounded to facilitate the insertion of the pin extension in a socket.
  • the spring element is formed by at least one angularly bent and with a free leg obliquely against an inner wall of the connection head stationary spring tongue. Between the spring tongue and the connection head then a connection conductor can be inserted, being pressed firmly against the connection head by the receding spring tongue.
  • the free leg of the spring tongue preferably extends in the insertion direction of a connecting conductor to be fastened to the inner wall of the connection head, so that the connecting conductor easily between spring tongue and Squeeze the connection head, but the opposite extension direction is blocked.
  • the above-mentioned spring tongue may have two free legs which extend parallel to each other and in which in each case (at least) one connection conductor can be clamped.
  • the (at least one) free leg of the spring tongue is accessible from the outside through a window of the connection head (if no connecting conductor is connected to the plug pin). Through the window then the spring tongue for purposes of (dis) assembly can be moved with a tool.
  • the spring element is designed as a cutting-blade.
  • a slitting knife has the advantage that connecting cables are "automatically stripped" during insertion.
  • the cutting-blade knife preferably has two parallel extending cutting, with which an inserted cable is stripped on two sides.
  • the pin extension (or its axis or plug-in direction into a complementary socket) and the insertion direction in which a conductor is inserted into the connection head preferably form an angle between approximately 80 ° and 180 ° with each other, wherein the angle of 180 ° a parallel or aligned arrangement corresponds.
  • the pin extension and the insertion direction of the connection head can be at a right angle of 90 ° to each other.
  • the plug pin and / or the connection head have at least one radially projecting latching wing. This runs preferably - in the direction of the connector pin to the connection head seen - ramp shaped. With the help of latching wings, the plug pin can easily be locked in corresponding undercut recesses of a (plastic) housing.
  • the connector pin formed of a sheet there are areas in which edges of the sheet abut each other.
  • such areas are interlinked. This can be done for example by mushroom-shaped extensions on one edge, which engage in complementary recesses of the other edge. In this way, a firm, positive connection of the abutting edges of the sheet is achieved.
  • the pin extension and the connection head of the described plug pin are preferably produced in a punch-bending method from a flat material, which enables a particularly cost-effective production with essentially a single work step.
  • the pin extension and the connection head can consist of the same strip of material.
  • the pin extension of the plug pin may optionally be filled with a foreign material (i.e., a different material than that of the pin extension).
  • the foreign material may for example have particular elastic or electrical properties and / or be a particularly inexpensive material.
  • the invention further relates to power connectors, in particular those according to DIN VDE 0623, EN 60309-2, which contain a pin of the type described above.
  • the pin extension 3 and the connection head 2 are made of a flat material (for example, a piece of brass), which has been punched out of a plate and brought into the required spatial shape by bending. Adjacent edges of the sheet are connected by a toothing, wherein on one edge mushroom-shaped projections 5 are formed, which engage in complementary recesses of the other edge.
  • the in the Figures 1-3 embodiment shown further comprises two optional latching wings 4, which are arranged on opposite sides of the pin extension 3.
  • the rectangular latching wings 4 are cut free on three sides of the flat material of the pin extension 3 and bent around the fourth, connected to the pin extension 3 side radially outward.
  • the latching wings 4 can engage behind prepared recesses and thus fix the pin 1 in the housing.
  • connection head 2 is formed substantially box-shaped with open top.
  • the spring tongue 7 which is preferably formed of a separate material with a high elasticity and is fixed by snap fit in the connection head 2.
  • the spring tongue 7 is bent angularly, so that a free leg 7a is formed, which extends from the break point on one side of the connection head 2 obliquely to the opposite side and there engages with its free end in a window 6 of the connection head.
  • the spring tongue 7 may be partially slotted in its longitudinal direction, so that two independent free legs 7a, 7b arise, which allow the parallel clamping of each (at least) a connecting conductor.
  • an electrical connection conductor 8 can be inserted from above into the connection head 2, wherein it is clamped between a receding leg 7a (or 7b) of the spring tongue 7 and the wall of the connection head 2. Although the inclination of the free leg 7a, 7b relative to the insertion direction of the conductor 8, while it is easily possible to insert the conductor, the extract in the opposite direction is blocked.
  • FIGS. 4 to 7 show an alternative embodiment of a plug pin according to the invention 1 'in a front and side view ( FIG. 4 ), a section along the line AA ( FIG. 5 ), a supervision ( FIG. 6 ) and a perspective view ( FIG. 7 ).
  • Same components as in the FIGS. 1 to 3 carry the same, with a prime reference numerals and therefore need not be explained again.
  • the angle ⁇ can also assume any other value
  • FIGS. 8 to 12 are shown alternative copy of a pin with a cutting-blade. Same or similar components as in the FIGS. 1 to 7 carry thereby by 100 increased reference numbers.
  • the pin extension 103, 103 'and the connection head 102, 102' consist of a flat material (for example a piece of brass) which has been punched out of a plate and brought into the required spatial form by bending. Adjacent edges of the sheet are connected by a toothing, wherein on one edge mushroom-shaped projections 105 are formed, which engage in complementary recesses of the other edge.
  • the embodiment shown in the figures also has two optional latching wings 104, which are arranged on opposite sides of the pin extension 103.
  • the rectangular latching wings 104 are cut open on three sides by the flat material of the pin extension 103 and are bent radially outward about the fourth side connected to the pin extension 103.
  • the latching wings 104 can engage behind prepared recesses and fix the pin 101 so that in the housing.
  • the cutting-clamping knife 107, 107 ' has two mutually parallel elastic cutting legs 100a, 100b, 100a', 100b ', which form between them a broadened in the middle receiving slot 109, 109'. If an electrical cable in the insertion direction (arrow in FIG. 8 ) is inserted into the receiving slot, the cutting legs intersect by its insulation and thus make the electrical contact to the conductor 108 ago, which is simultaneously clamped mechanically between the slightlymultifedernden cutting legs.
  • Both Figures 8-10 is the angle ⁇ between the pin extension 103 and the cutting blade 107 and the conductor insertion direction is approximately 90 °.
  • FIGS. 11 and 12 an alternative example, not part of the invention, of a connector pin 101 '(with like components as in FIGS FIGS. 8 to 10 the same, provided with a prime mark), in which the pin extension 103 'and the cutting blade 107' are arranged substantially in alignment, the corresponding angle ⁇ is therefore 180 °.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Claims (9)

  1. Broche de contact (1, 1'), comprenant un prolongement de broche cylindrique (3, 3') et une tête de branchement (2, 2') qui est reliée à celui-ci, formés tous les deux d'un matérieau plat métalique, selon lequel
    - un élément ressort est monté dans la tête de branchement (2, 2'), qui peut établir une liaison de serrage entre la broche de contact (1, 1') et au moins un conducteur de raccordement (8),
    - le prolongement de broche (3, 3') est entièrement fermé,
    - l'élément ressort (7, 7') est une pièce séparée, qui est insérée dans la tête de branchement,
    - l'élément ressort est formé par au moins une languette de ressort (7, 7') courbée angulairement, qui est placée obliquement avec une branche libre (7a, 7b, 7a', 7b') contre une paroi intérieure de la tête de branchement (2, 2'),
    caractérisé en ce que la branche libre (7a, 7b, 7a', 7b') de la languette de ressort (7, 7') est accessible de l'extérieur par une fénêtre (6) de la tête de branchement (2, 2').
  2. Broche de contact selon la revendication 1,
    caractérisé en ce que l'extrémité libre du prolongement de broche (3, 3') est fermée d'une manière pointue ou hémisphérique.
  3. Broche de contact selon la revendication 1 ou 2,
    caractérisé en ce que la languette de ressort (7, 7') a deux branches libres (7a, 7b, 7a', 7b') s'étendant parallèlement.
  4. Broche de contact selon au moins une des revendications 1 à 3,
    caractérisé en ce que le prolongement de broche (3, 3') et la direction d'insertion du conducteur de la tête de branchement (2, 2') forment ensemble un angle (α) entre environ 80 ° et 180 °, de préférence un angle (α) d'environ 90 °.
  5. Broche de contact selon au moins une des revendications 1 à 4,
    caractérisé en ce que le prolongement de broche (3) et/ou la tête de branchement (2) a au moins une aile d'enclenchement saillante (4), qui passe de préférence en forme de rampe dans la direction du prolongement de broche (3) vers la tête de branchement (2).
  6. Broche de contact selon au moins une des revendications 1 à 5,
    caractérisé en ce que des bords du matérieau plat aboutants l'un contre l'autre sont liés entre eux.
  7. Broche de contact selon au moins une des revendications 1 à 6,
    caractérisé en ce que le prolongement de broche (3, 3') et la tête de branchement (2, 2') sont fabriqués dans un procédé d'estampage et de courbure d'un matériau plat préférablement formé en une pièce.
  8. Broche de contact selon au moins une des revendications 1 à 7,
    caractérisé en ce que le prolongement de broche est rempli par un matérieau étranger.
  9. Dispositif de raccordement de puissance, notamment selon DIN VDE 0623, EN 60309-2, caractérisé par une broche de contact (1, 1') selon au moins une quelconque des revendications 1 à 8.
EP06122990.2A 2005-11-08 2006-10-26 Broche de contact estampée et courbée Active EP1783868B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005053565A DE102005053565A1 (de) 2005-11-08 2005-11-08 Steckerstift mit Schneidklemme
DE102005053566A DE102005053566A1 (de) 2005-11-08 2005-11-08 Steckerstift mit Federklemme

Publications (2)

Publication Number Publication Date
EP1783868A1 EP1783868A1 (fr) 2007-05-09
EP1783868B1 true EP1783868B1 (fr) 2017-02-22

Family

ID=37722661

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06122990.2A Active EP1783868B1 (fr) 2005-11-08 2006-10-26 Broche de contact estampée et courbée

Country Status (1)

Country Link
EP (1) EP1783868B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008032837A1 (de) * 2008-07-14 2010-01-21 Phoenix Contact Gmbh & Co. Kg Elektrische Anschlussvorrichtung
DE102012002350A1 (de) 2011-07-20 2013-01-24 Bals Elektrotechnik Gmbh & Co. Kg Kontaktelement für eine elektrische Steckverbindervorrichtung
DE202011103484U1 (de) 2011-07-20 2012-10-25 Bals Elektrotechnik Gmbh & Co. Kg Kontaktelement für eine elektrische Steckverbindervorrichtung
ITPD20110396A1 (it) * 2011-12-16 2013-06-17 Fanton S P A Terminale elettrico per spine del tipo industriale

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2294817A (en) * 1994-11-01 1996-05-08 Whitaker Corp Electrical terminal and connector assembly
DE202004011704U1 (de) * 2004-07-26 2004-09-30 Fahrzeugelektrik Pirna Gmbh Elektrische Verbindungsvorrichtung für Kraftfahrzeuge

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3853377A (en) * 1971-12-27 1974-12-10 B Shlesinger Tight fitting plug connection and method for making same
GB9023310D0 (en) 1990-10-25 1990-12-05 Titon Hardware Ventilators
US5344336A (en) * 1993-06-04 1994-09-06 Molex Incorporated Insulation displacement electrical terminal
DE29821211U1 (de) * 1998-11-27 1999-02-18 Phoenix Contact Gmbh & Co., 32825 Blomberg Steckverbinderkontakt mit Schneidanschluß
DE10004248C2 (de) * 2000-02-01 2002-03-28 Aloys Mennekes Anlagengmbh & C Elektrische Steckvorrichtung

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2294817A (en) * 1994-11-01 1996-05-08 Whitaker Corp Electrical terminal and connector assembly
DE202004011704U1 (de) * 2004-07-26 2004-09-30 Fahrzeugelektrik Pirna Gmbh Elektrische Verbindungsvorrichtung für Kraftfahrzeuge

Also Published As

Publication number Publication date
EP1783868A1 (fr) 2007-05-09

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