EP0444223A1 - Jeu de ressorts de contact - Google Patents

Jeu de ressorts de contact Download PDF

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Publication number
EP0444223A1
EP0444223A1 EP90103765A EP90103765A EP0444223A1 EP 0444223 A1 EP0444223 A1 EP 0444223A1 EP 90103765 A EP90103765 A EP 90103765A EP 90103765 A EP90103765 A EP 90103765A EP 0444223 A1 EP0444223 A1 EP 0444223A1
Authority
EP
European Patent Office
Prior art keywords
contact
spring
springs
strip
contact spring
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.)
Withdrawn
Application number
EP90103765A
Other languages
German (de)
English (en)
Inventor
Wolf Dipl.-Ing. Neumann-Henneberg
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.)
Inovan Stroebe KG
Inovan GmbH and Co KG Metalle und Bauelemente
Original Assignee
Inovan Stroebe KG
Inovan GmbH and Co KG Metalle und Bauelemente
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 Inovan Stroebe KG, Inovan GmbH and Co KG Metalle und Bauelemente filed Critical Inovan Stroebe KG
Priority to EP90103765A priority Critical patent/EP0444223A1/fr
Publication of EP0444223A1 publication Critical patent/EP0444223A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/0056—Apparatus or processes specially adapted for the manufacture of electric switches comprising a successive blank-stamping, insert-moulding and severing operation

Definitions

  • the invention relates to a method for producing a contact spring set consisting of a fixed contact spring and a contact spring movable thereon (as well as moving away from it) and a contact-independent return spring movable perpendicular to the direction of movement of the movable contact spring, all springs being mounted in a plastic base.
  • Contact spring sets of this type are required for a wide variety of requirements. They can be set up as NO contacts or as NC contacts and can be equipped with different contacts.
  • the return spring serves to reset the actuating device which, when actuated, pushes the movable contact spring away from the fixed contact spring or moves towards it.
  • these contact spring sets are still manufactured in such a way that the contact springs are punched out of a corresponding spring metal strip, optionally equipped with contacts and then assembled or packaged with the interposition of insulating pieces.
  • it has also become known to overmold the contact springs with plastic on the stamping strip.
  • the complex assembly of these molded contact springs still has to be carried out.
  • the invention therefore has the task of a manufacturing method to specify for such contact spring sets, which enables their manufacture in an extremely economical manner, which avoids additional or subsequent adjustment work and which permits delivery in assembly rollers.
  • This is achieved in a manner according to the invention in that the springs are punched out side by side from a stamping strip, via webs with one another and with the stamping strip, that a terminal tab of a contact spring is folded over onto the further contact spring and the return spring is bent over so that the stamping strip prepared in this way overmolded on the spring base and then at least the web between the contact springs is punched out and then the spring set thus produced is discharged remaining at least on one side on the punched strip.
  • the spring contacts are individually, if necessary overmolded, punched out of a band, then manually put together, but both the contact springs and the return spring are punched out side by side from one another from a punched strip, bent and then overmolded, so that at the end of this Manufacturing process already the finished contact spring set is within the punched strip.
  • stamping or embossing can also be carried out during the machining process, as can the galvanizing of the contact surfaces or the use of contact rivets.
  • the contact spring sets can also be mechanically adjusted directly on the conveyor and their electrical values can also be checked. In the case of galvanic coating or when inserting contact rivets, it is advantageous to notice that this machining process only has to be carried out from one side, since the counter-contact is turned through 180 degrees by folding over the tab.
  • a fixed contact spring (2) Attached in a plastic base (1) are a fixed contact spring (2), a movable contact spring (3) and a return spring (4).
  • A is used for the electrical connection to the fixed contact spring (2)
  • a centrally attached plug (6) is used for mechanical fastening of the spring contact, but it can of course also be used for earthing, etc.
  • the individual springs (2, 3, 4) are punched out of a punched strip (9), so that continuous punched strip strips (10, 11) remain on both sides.
  • the two contact springs (2, 3) are connected to the return spring via a web (12) and these, in turn, via a further web (13) to the return spring and all the springs to the remaining punched strip tapes (10, 11).
  • the tab (16) is moved to the movable one Contact spring (3) folded over and at the same time the return spring (4) bent by 90 degrees (Fig. 3 right side).
  • the punched strip runs into a plastic injection mold where the base surrounding the spring is injection molded, as can be seen from FIGS. 1 and 2.
  • an opening (17) is punched out, the web (12) being punched out between the two contact springs.
  • a recess (19) in the injection mold allows access to the contact springs (2, 3), so that there, as well as on the contact lugs (5, 7) during the machining process, a galvanic contact with the contact springs (2, 3) is made and the electrical function of the contact can be checked .

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Switches (AREA)
EP90103765A 1990-02-27 1990-02-27 Jeu de ressorts de contact Withdrawn EP0444223A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP90103765A EP0444223A1 (fr) 1990-02-27 1990-02-27 Jeu de ressorts de contact

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP90103765A EP0444223A1 (fr) 1990-02-27 1990-02-27 Jeu de ressorts de contact

Publications (1)

Publication Number Publication Date
EP0444223A1 true EP0444223A1 (fr) 1991-09-04

Family

ID=8203698

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90103765A Withdrawn EP0444223A1 (fr) 1990-02-27 1990-02-27 Jeu de ressorts de contact

Country Status (1)

Country Link
EP (1) EP0444223A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19501855A1 (de) * 1995-01-23 1996-07-25 Kostal Leopold Gmbh & Co Kg Verfahren zur Herstellung einer mehrere eigenständige elektrische Schalter aufweisenden Schalteranordnung
US6141872A (en) * 1998-06-15 2000-11-07 Sumitomo Wiring Systems, Ltd. Method of manufacturing products having a deformable connection for facilitating manufacture
DE10015993A1 (de) * 2000-03-31 2001-10-11 Heraeus Gmbh W C Verfahren zur Herstellung eines Hybridsteckergehäuses
DE102011115786A1 (de) * 2011-10-06 2013-04-11 Rolf Prettl Verfahren zum Herstellen eines Gurtschloss-Schalters für ein Gurtschloss

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0200175A2 (fr) * 1985-05-03 1986-11-05 SWF Auto-Electric GmbH Interrupteur électrique, en particulier commutateur monté sur l'arbre de direction de véhicules
US4644110A (en) * 1984-08-01 1987-02-17 Alpine Electronics Inc. Dip switch having single terminal-contact support wafer
DE3829035A1 (de) * 1987-10-14 1989-04-27 Fuji Electric Co Ltd Verfahren zur herstellung eines kontaktfederaufbaus eines elektromagnetischen relais

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4644110A (en) * 1984-08-01 1987-02-17 Alpine Electronics Inc. Dip switch having single terminal-contact support wafer
EP0200175A2 (fr) * 1985-05-03 1986-11-05 SWF Auto-Electric GmbH Interrupteur électrique, en particulier commutateur monté sur l'arbre de direction de véhicules
DE3829035A1 (de) * 1987-10-14 1989-04-27 Fuji Electric Co Ltd Verfahren zur herstellung eines kontaktfederaufbaus eines elektromagnetischen relais

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19501855A1 (de) * 1995-01-23 1996-07-25 Kostal Leopold Gmbh & Co Kg Verfahren zur Herstellung einer mehrere eigenständige elektrische Schalter aufweisenden Schalteranordnung
DE19501855C2 (de) * 1995-01-23 1998-12-24 Kostal Leopold Gmbh & Co Kg Verfahren zur Herstellung einer mehrere funktional eigenständige elektrische Schalter aufweisenden Schalteranordnung
US6141872A (en) * 1998-06-15 2000-11-07 Sumitomo Wiring Systems, Ltd. Method of manufacturing products having a deformable connection for facilitating manufacture
DE10015993A1 (de) * 2000-03-31 2001-10-11 Heraeus Gmbh W C Verfahren zur Herstellung eines Hybridsteckergehäuses
DE10015993C2 (de) * 2000-03-31 2002-01-31 Heraeus Gmbh W C Verfahren zur Herstellung eines Hybridsteckergehäuses
DE102011115786A1 (de) * 2011-10-06 2013-04-11 Rolf Prettl Verfahren zum Herstellen eines Gurtschloss-Schalters für ein Gurtschloss

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