EP0444223A1 - Jeu de ressorts de contact - Google Patents
Jeu de ressorts de contact Download PDFInfo
- 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- Withdrawn
Links
Images
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)
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)
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)
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 |
-
1990
- 1990-02-27 EP EP90103765A patent/EP0444223A1/fr not_active Withdrawn
Patent Citations (3)
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)
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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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT DE FR NL |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19920305 |