EP0849749B1 - Rastmechanismus für Drucktastenschalter - Google Patents
Rastmechanismus für Drucktastenschalter Download PDFInfo
- Publication number
- EP0849749B1 EP0849749B1 EP96120654A EP96120654A EP0849749B1 EP 0849749 B1 EP0849749 B1 EP 0849749B1 EP 96120654 A EP96120654 A EP 96120654A EP 96120654 A EP96120654 A EP 96120654A EP 0849749 B1 EP0849749 B1 EP 0849749B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- key
- wire bow
- locking mechanism
- shifter
- heart
- 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
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 20
- 229920003023 plastic Polymers 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 8
- 230000000284 resting effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 238000004873 anchoring Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001595 flow curve Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
- H01H13/56—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force
- H01H13/562—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force making use of a heart shaped cam
Definitions
- the invention relates to a locking mechanism in the Preamble of claim 1 specified genus.
- Locking mechanisms have become known in various designs.
- the slides in the Backdrop guide rotating guide pin which in general is formed by the angled end of a wire bracket along a locking profile and becomes in the course of its movement deflected to both sides of the key axis.
- the guide pin When moving between the off position and the on position the guide pin must be at a deflection point of the Locking profile of the locking heart are passed.
- the deflection point is usually designed as a tip, so the bracket after a short deflection phase and a short return stroke by the force of the key return spring in the on position snaps into a recess.
- DE 36 38 834 A1 describes a push lock device with a pivoted wire bracket, the Leader in a heart curve is running. Over the wire bracket a leaf spring is arranged so that it the free End of the guide pin against the bottom surface of the control surface groove the heart curve presses.
- this leaf spring is not able to relate to one the guide groove of the heart curve lateral force on the Exercise leading end of the wire bracket.
- the invention has for its object a simple, two-dimensional locking mechanism to create the avoids the described incorrect operations with certainty and the switching sequence OFF-ON-OFF with certainty when repeated Guaranteed key press.
- the positioning force exerted on the side of the bracket prevents that the leading end remains on the deflection tip, even when the pivoting movement of the guide bracket deliberately by special Action is slowed down, causing a random movement prevented by its own weight in an unfavorable installation position shall be.
- the switching bracket from both sides pre-tension in the middle position or a pre-tension in a one-sided position.
- a particularly simple and functional construction of a Push button switch with locking mechanism results from the Features of claim 3. Accordingly, for support of the wire bracket and plastic hook to prevent it from falling out are provided, which are molded onto the key slide are and overlap the wire bracket, one of the hooks retracts under self-elasticity when deflecting and a Force on the wire bracket.
- the push button switch has a slidable in a housing 10 stored key slide 12 on a plate 14 wearing.
- This plate forms the locking heart for the locking mechanism.
- This has a heart-shaped recess 16 in the plate 14 and one in the middle of the recess up to plate height protruding locking profile 18.
- the recess 16 forms its edge and in cooperation with the locking profile 18 one Link guide 20 for the angled guide end 22 of a Wire bracket 24, the other angled end 26 one opposite the leading end 22 has increased leg length and protrudes into a bore 28 of a bearing block 30 fixed to the housing and against which the key return spring 32 is supported.
- the leading end 22 In the on position, the leading end 22 is in the switch-on position in a locking recess 34 of the locking profile 18, and in the Aysschalt position (dashed lines in Fig. 1 shown) the leading end is in the position 22 '. Both in the on position and in the Switch-off position, the wire bracket 24 is in the direction of Key slide axis.
- the Handle 38 of the hook 36 an inwardly projecting extension 42 on.
- the wire bracket lifts 24 during its lateral deflection between the off position and the on position the hook 36 over the 4 to the right, so that the stem 38th is resiliently biased inward towards the key axis, and this spring bias causes the leading end 22nd of the wire bracket 24 securely lifted over the deflection tip 40 is and under the action of the return spring 32 in the locking recess 34 (switch-on position) occurs.
- the wire bracket 24 lifts 24 during its lateral deflection between the off position and the on position the hook 36 over the 4 to the right, so that the stem 38th is resiliently biased inward towards the key axis, and this spring bias causes the leading end 22nd of the wire bracket 24 securely lifted over the deflection tip 40 is and under the action of the return spring 32 in the locking recess 34 (switch-on position) occurs.
- the extension 42 is missing and the wire bracket 24 can dodge under the hook 37.
- Fig. 6 shows a further embodiment of a push button switch with locking mechanism, in which the wire bracket 24a supported laterally by a plastic part 43 is.
- This plastic part is such on the key slide 12 attached that the wire bracket 24a in its deflection in Locking profile 18 is biased laterally by self-suspension.
- the locking bracket jumps over the tip and snaps securely in the on position.
- a lateral force acts on the locking bracket, which through the pre-tensioning of the elastic wire bracket is produced.
- the push button switch differs according to FIG.
- the plastic part 43 is integrally formed on the key slide and preferably has a spherical design.
- the return spring also presses here 32 on one end of the locking bracket.
- the key slide 12 has a central recess 46 between two side strips 48 in which the wire bracket 24a lies and by bridging the strips 48 Web 44 is secured against falling out.
- the spherical plastic part 43 is formed, which extends approximately so far inwards that the wire bracket is just touched in a stretched position and during movement its cranked end biased laterally in the raster heart becomes.
Landscapes
- Push-Button Switches (AREA)
- Switches With Compound Operations (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Description
- 10
- Gehäuse
- 12
- Tastenschieber
- 14
- Platte
- 16
- herzförmige Ausnehmung
- 18
- Rastprofil
- 20
- Kulissenführung
- 22
- Führungsende
- 24
- Drahtbügel
- 26
- Ende
- 28
- Bohrung
- 30
- Lagerbock
- 32
- Rückholfeder
- 34
- Rastvertiefung
- 36, 37
- Haken
- 38, 39
- Stiel
- 40
- Umlenkspitze
- 42
- Fortsatz
- 43
- Kunststoffteil
- 44
- Steg
- 46
- Mittelausnehmung
- 48
- Leisten
Claims (7)
- Rastmechanismus für einen Drucktastenschalter, der einen unter der Wirkung einer Rückholfeder (32) stehenden Tastenschieber (12) mit einem Rastherz (16, 18) für das abgewinkelte Führungsende (22) eines Drahtbügels (24) aufweist, das bei Betätigung des Tastenschiebers (12) die Herzkurve durchläuft und dabei seitlich ausgelenkt und nach Überfahren einer Umlenkstelle (40) in einer Rastvertiefung (34) des Rastherzens einrastet, wodurch der Tastenschieber (12) in einer definierten Schaltstellung gehalten wird, dadurch gekennzeichnet, daß Mittel (38, 42, 43) vorgesehen sind, die beim Überfahren der Umlenkstelle (40) auf das Führungsende (22) des Drahtbügels (24) quer zur Achse des Tastenschiebers (12) einwirken und seine seitliche Auslenkung unterstützen.
- Rastmechanismus mit den folgenden Merkmalen:ein Tastenschieber (12) ist in einem Gehäuse (18) gegen die Kraft einer Rückholfeder (32) verschiebbar;der Tastenschieber (12) weist ein Rastherz (28) auf;ein Drahtbügel (24) ist mit einem abgewinkelten Verankerungsende (26) in eine Bohrung (28) eines gehäusefesten Lagerblocks (30) als Schwenkzapfen eingesetzt und greift mit seinem anderen, abgewinkelten Führungsende (22) in das Rastherz ein;die Schwenkbewegung des Schwenkzapfens (26) wird durch die darauf abgestützte Rückholfeder (32) gebremst;am Tastenschieber (12) sind seitlich zwei elastische Stiele (38, 39) angeformt;die Stiele (38, 39) tragen Haken (36, 37), die den Drahtbügel (24) von beiden Seiten übergreifen und gegen Herausfallen sichern;wenigstens einer der Haken (36) wirkt bei seitlicher Auslenkung des Drahtbügels (24) federnd quer zur Tastenachse auf diesen Drahtbügel im Sinne einer Zentrierung ein.
- Rastmechanismus nach den Ansprüchen 1 oder 2,
dadurch gekennzeichnet, daß der Tastenschieber (12) ein angeformtes Federelement (38) aufweist, das den Drahtbügel (24) quer zur Tastenachse auf die Mittelstellung des Drahtbügels vorspannt, in der er parallel zur Tastenachse liegt. - Rastmechanismus nach Anspruch 2,
dadurch gekennzeichnet, daß der wenigstens eine Haken (36) einen seitlich vom Stiel (38) vorstehenden Fortsatz (42) aufweist, der seitlich auf den Drahtbügel (24) einwirkt. - Rastmechanismus nach den Ansprüchen 2 bis 4,
dadurch gekennzeichnet, daß der Fortsatz (42) in der Ebene des Hakens (36) liegt. - Rastmechanismus nach Anspruch 1,
dadurch gekennzeichnet, daß der Drahtbügel (24a) federnd ausgebildet ist und mit einem starren Ansatzteil (43) des Tastenschiebers (12) zusammenwirkt. - Rastmechanismus nach Anspruch 6,
dadurch gekennzeichnet, daß der Tastenschieber (12) eine Mittelausnehmung (46) aufweist, in der der Drahtbügel (24a) begrenzt seitlich beweglich ist und daß seitlich in der Mittelausnehmung (46) ein Kunststoffteil (43) angeformt ist, das sich nach innen erstreckt und seitlich auf den Drahtbügel (24a) einwirkt.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT96120654T ATE204675T1 (de) | 1996-12-20 | 1996-12-20 | Rastmechanismus für drucktastenschalter |
DE59607544T DE59607544D1 (de) | 1996-12-20 | 1996-12-20 | Rastmechanismus für Drucktastenschalter |
DK96120654T DK0849749T3 (da) | 1996-12-20 | 1996-12-20 | Låsemekanisme til tryktastomskifter |
EP96120654A EP0849749B1 (de) | 1996-12-20 | 1996-12-20 | Rastmechanismus für Drucktastenschalter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP96120654A EP0849749B1 (de) | 1996-12-20 | 1996-12-20 | Rastmechanismus für Drucktastenschalter |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0849749A1 EP0849749A1 (de) | 1998-06-24 |
EP0849749B1 true EP0849749B1 (de) | 2001-08-22 |
Family
ID=8223534
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96120654A Expired - Lifetime EP0849749B1 (de) | 1996-12-20 | 1996-12-20 | Rastmechanismus für Drucktastenschalter |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0849749B1 (de) |
AT (1) | ATE204675T1 (de) |
DE (1) | DE59607544D1 (de) |
DK (1) | DK0849749T3 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3980915B2 (ja) * | 2002-03-15 | 2007-09-26 | 株式会社東海理化電機製作所 | スイッチ装置 |
FR2906075B1 (fr) * | 2006-09-18 | 2009-08-07 | Legrand France | Mecanisme a deux positions stables et dispositif |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7122932U (de) * | 1971-06-15 | 1972-11-30 | Bbc,Dt | Elektrischer Drucktastenschalter |
JPH0633621Y2 (ja) * | 1985-11-21 | 1994-08-31 | アルプス電気株式会社 | プツシユロツク装置 |
JPH01119132U (de) * | 1988-02-08 | 1989-08-11 | ||
JP3202515B2 (ja) * | 1995-01-06 | 2001-08-27 | 株式会社東海理化電機製作所 | プッシュロックスイッチ |
-
1996
- 1996-12-20 EP EP96120654A patent/EP0849749B1/de not_active Expired - Lifetime
- 1996-12-20 AT AT96120654T patent/ATE204675T1/de not_active IP Right Cessation
- 1996-12-20 DK DK96120654T patent/DK0849749T3/da active
- 1996-12-20 DE DE59607544T patent/DE59607544D1/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0849749A1 (de) | 1998-06-24 |
DE59607544D1 (de) | 2001-09-27 |
DK0849749T3 (da) | 2001-10-08 |
ATE204675T1 (de) | 2001-09-15 |
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