EP0647954B1 - Entraînement rotatif - Google Patents
Entraînement rotatif Download PDFInfo
- Publication number
- EP0647954B1 EP0647954B1 EP94115387A EP94115387A EP0647954B1 EP 0647954 B1 EP0647954 B1 EP 0647954B1 EP 94115387 A EP94115387 A EP 94115387A EP 94115387 A EP94115387 A EP 94115387A EP 0647954 B1 EP0647954 B1 EP 0647954B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotary drive
- spring
- torsion spring
- drive according
- spring end
- 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
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/18—Movable parts; Contacts mounted thereon
- H01H21/36—Driving mechanisms
- H01H21/50—Driving mechanisms with indexing or latching means, e.g. indexing by ball and spring; with means to ensure stopping at intermediate operative positions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
- H01H19/60—Angularly-movable actuating part carrying no contacts
- H01H19/635—Contacts actuated by rectilinearly-movable member linked to operating part, e.g. by pin and slot
- H01H19/6355—Contacts actuated by rectilinearly-movable member linked to operating part, e.g. by pin and slot using axial cam devices for transforming the angular movement into linear movement along the axis of rotation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/18—Movable parts; Contacts mounted thereon
- H01H21/22—Operating parts, e.g. handle
- H01H21/24—Operating parts, e.g. handle biased to return to normal position upon removal of operating force
Definitions
- the invention relates to a rotary drive for an electrical switch, which comprises a rosette, a rotatable link and a slide (US-A-3 142 187).
- Such rotary actuators are available on the electrical market for low-voltage switching devices and are part of the prior art.
- a slider is extended by rotating a toggle in front of the front panel in the axial direction, which actuates a switching element on the rear of the switch.
- the rotary actuator is designed with a knob or lock as a handle with a grid or button function. The reset of the rotary drive when the handle is released is effected by spring force in the axial direction on the slide.
- the invention has for its object to provide an electrical switch of the above type, in which the locking takes place via the torsion spring.
- the object is achieved by a switch with the features according to claim 1.
- An embodiment in which the torsion spring has at least one circular turn and the two spring ends have the circular shape tangentially or on a radius to the outside up to a certain distance proves to be particularly advantageous leave, then turned in opposite directions and end up as two pieces of wire running parallel to the torsion spring axis.
- FIG. 1 shows an exploded view of the rotary drive 1 according to the invention, which comprises a rosette 2, two slides 4, a link 3, a torsion spring 5, a cover 9, a seal 15, a front ring 16 and a toggle 17.
- the illustration shows the installation position of the components mentioned.
- the torsion spring 5 consists of several adjacent turns 12 of the same diameter. Both ends 6, 7 of the torsion spring 5 leave the diameter tangentially or on a radius to the outside up to a certain distance, are then bent in opposite directions at right angles and end as two straight wire pieces running parallel to the winding axis at the same height.
- the windings 12 of the torsion spring 5 enclose, with little play, an inner guide formed by the cover 9, which, however, can also be provided by the link 3, in which the torsion spring 5 is mounted concentrically.
- the rosette 2 shows a cross-sectional view of the position of the torsion spring 5 in the unactuated zero position and in the position locked over the spring end 7.
- the rosette 2 has a largely ring-shaped surface with a step-shaped shoulder 10 and an area 19 with a diameter reduction, which is delimited by two radially extending transitions 18 to the shoulder 10, on each side of which a latching catch 11 in the step-shaped shoulder 10 at the same angular distance lies.
- the backdrop 3 is largely arranged within the rosette 2 and carries the torsion spring 5 within the end region which is designed in the form of an annulus and faces the knob 17.
- the annular end region is provided with two cutouts 14 at the same angular distance as the above-mentioned transitions 18 of this type. that also radially extending transitions 20 of the cutouts 14 are in overlap with the above-mentioned transitions 18 of the rosette 2 in the zero position of the rotary drive.
- a concentric outer guide with a corresponding diameter clamps the spring ends 6,7 projecting like wings inwards.
- the outer guide is axially divided in two at half the height of the spring, into the fixed part formed as a shoulder 10 of the rose 2 and the part which can be rotated as a circular end region of the link 3 and which is connected to the knob 17 as a handle.
- the aforementioned latch 11 is provided to achieve the "latching" function. Due to the pretension of the spring ends 6, 7, which is reinforced by the "opening" actuation, the deflected spring end 7 snaps into the cases which are congruent in the end position, i.e. in the latch 11 of the rosette 2 and in the cutout 14 of the backdrop 3. This reliably blocks the return because the locking stability increases with the spring tension.
- the torsion spring 5 can be deflected in one as well as in two directions in order to achieve a two-position drive.
- the torsion spring 5 is deflected in the opposite direction to the direction described above, only the functions of the spring ends 6, 7 are interchanged due to the completely symmetrical structure, ie the spring end 7 lies firmly against the transition 18 of the rosette 2, and the spring end 6 is through the backdrop 3 taken away.
- the latching can be canceled by inserting appropriately shaped filler pieces into the latching latches 11. Filling pieces of this type can also be used to limit the rotation, so that all rotary drive variants are possible.
- the described embodiment according to the invention with appropriate dimensioning and arrangement of the torsion spring 5, has a large free cross section 13, which is determined only by the predetermined outer diameter and the required wall thicknesses of the rosette 2 and the backdrop 3.
- the realization of illuminable rotary drives has been significantly improved since there is now enough space available for the lamp and its replacement.
- FIG. 3 an elevation of the rotary drive 1 is shown in perspective, which shows the arrangement of the aforementioned components to each other.
- the torsion spring 5 is here in the latching position, because its spring end 6 or 7, which is in the cutout 14, projects on the underside beyond the outer edge of the link 3, where the part of the rosette 2 (not shown here) with the latching latch 11 (see FIG. 2) lies.
Landscapes
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Springs (AREA)
- Valve Device For Special Equipments (AREA)
Claims (10)
- Dispositif d'entraînement rotatif destiné à un interrupteur électrique qui comprend une rosette (2), une coulisse (3) tournante et un curseur (4), et qui a les caractéristiques suivantes:a) le dispositif (1) d'entraînement rotatif comporte un ressort (5) de torsion ayant deux extrémités (6, 7) de ressort en saillie en forme d'aile,b) le ressort (5) de torsion est monté concentriquement par rapport à la coulisse (3),c) en la position zéro non actionnée du dispositif d'entraînement rotatif, moyennant une précontrainte agrandissant le diamètre du ressort de torsion, la première extrémité (6) de ressort est appuyée sur une pièce (2) fixe et la deuxième extrémité (7) de ressort sur une pièce (3) de guidage tournante,d) lors de l'actionnement du dispositif (1) d'entraînement rotatif, le ressort (5) de torsion est dévié, par l'intermédiaire de sa deuxième extrémité (7) de ressort, par la pièce (3) de guidage tournante, une partie (10) de guidage concentrique tendant la deuxième extrémité (7) de ressort vers l'intérieur,e) la partie (10) de guidage est munie d'un loquet (11) d'encliquetage, qui est réalisé par agrandissement de diamètre et dans lequel, lors de l'actionnement, en raison de la force qui s'y applique à la suite de la tension du ressort et qui est dirigée vers l'extérieur, la deuxième extrémité (7) de ressort jaillit et s'encliquette,f) l'encliquetage peut, en exerçant une force de rotation en direction de la position zéro par l'intermédiaire d'une surface (8) de renvoi tangentielle, tournante, qui attaque la deuxième extrémité (7) de ressort encliquetée et qui est ménagée par exemple sur la coulisse (3), être désencliqueté par le fait que la surface (8) exerce sur la deuxième extrémité (7) de ressort une force dirigée vers le centre du ressort (5) de torsion.
- Dispositif d'entraînement rotatif suivant la revendication 1, caractérisé en ce que le ressort (5) de torsion comporte au moins une spire (12) circulaire et en ce que les deux extrémités (6, 7) du ressort abandonnent la forme circulaire, tangentiellement ou sur un rayon allant vers l'extérieur jusqu'à une distance déterminée, sont ensuite coudées en sens opposé et se terminent en deux tronçons de fil métallique s'étendant parallèlement à l'axe du ressort de torsion.
- Dispositif d'entraînement rotatif suivant la revendication 1 ou 2, caractérisé en ce que les spires (12) du ressort (5) de torsion entourent la pièce (9) de guidage intérieur en ayant un petit jeu.
- Dispositif d'entraînement rotatif suivant une des revendications précédentes, caractérisé en ce que la pièce (9) de guidage intérieur est formée par la coulisse (3).
- Dispositif d'entraînement rotatif suivant une des revendications précédentes, caractérisé en ce que la rosette (2) a une section (13) transversale libre.
- Dispositif d'entraînement rotatif suivant une des revendications précédentes, caractérisé en ce que la pièce (2) fixe comporte une partie (19) où le diamètre est réduit, qui comporte une transition (18) s'étendant radialement et qui fait partie de la rosette (2).
- Dispositif d'entraînement rotatif suivant une des revendications précédentes, caractérisé en ce que la pièce de guidage extérieur est formée par une partie (10) en retrait circulaire, en forme de gradin, qui est ménagée dans la rosette (2) et au-dessus de laquelle est montée la pièce (3) de guidage tournante, qui, pour soutenir la deuxième extrémité (7) de ressort, comporte comme loquet une découpe (14) qui est ouverte en direction des spires (12) du ressort (5) de torsion et qui s'étend en partie au dessus de la partie (10) en retrait en forme de gradin, si bien que, lors de la déviation du ressort de torsion, la deuxième extrémité (7) de ressort est guidée sur la partie (10) en retrait par une transition (21) radiale ménagée sur la découpe (14), et que, lorsqu'elle atteint le loquet (11) d'encliquetage, elle jaillit dans la découpe (14).
- Dispositif d'entraînement rotatif suivant une des revendications précédentes, caractérisé en ce que la découpe (14) est munie de la surface (8) tangentielle de renvoi.
- Dispositif d'entraînement rotatif suivant une des revendications précédentes, caractérisé en ce que les caractéristiques mentionnées sont prévues aussi pour les deux sens de rotation.
- Dispositif d'entraînement rotatif suivant une des revendications précédentes, caractérisé en ce qu'une pièce intercalaire est introduite dans le loquet (11) d'encliquetage.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9315441U | 1993-10-12 | ||
DE9315441U DE9315441U1 (de) | 1993-10-12 | 1993-10-12 | Drehantrieb |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0647954A1 EP0647954A1 (fr) | 1995-04-12 |
EP0647954B1 true EP0647954B1 (fr) | 1996-11-27 |
Family
ID=6899239
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94115387A Expired - Lifetime EP0647954B1 (fr) | 1993-10-12 | 1994-09-29 | Entraînement rotatif |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0647954B1 (fr) |
DE (2) | DE9315441U1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29802552U1 (de) * | 1998-02-14 | 1998-04-23 | Klöckner-Moeller GmbH, 53115 Bonn | Bedieneinrichtung für Befehlsgeräte |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6268577B1 (en) * | 1999-12-16 | 2001-07-31 | Siemens Energy & Automation, Inc. | Push-pull switch operator |
FR2868593B1 (fr) * | 2004-03-30 | 2006-05-26 | Schneider Electric Ind Sas | Bouton tournant etanche |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE179459C (fr) * | ||||
DE637004C (de) * | 1936-10-19 | Busch Jaeger Luedenscheider Me | Drehschalter mit Exzentersprungwerk | |
DE491611C (de) * | 1928-06-17 | 1930-02-15 | Siemens Schuckertwerke Akt Ges | Axial ausloesendes Drehschaltersprungwerk mit Kronradgesperre fuer Rechts- und Linksschalten |
DE696459C (de) * | 1938-05-17 | 1940-09-21 | Stotz Kontakt Gmbh | Elektrischer Drehschalter, insbesondere mit Exzentergesperre |
DE741430C (de) * | 1941-01-30 | 1943-11-11 | Stotz Kontakt Gmbh | Rollengesperre fuer elektrische Drehschalter |
US3142187A (en) * | 1960-12-22 | 1964-07-28 | Gen Electric | Rotatable switch actuators |
DE1615706A1 (de) * | 1967-02-01 | 1970-06-04 | Bosch Gmbh Robert | Elektrischer Schalter,insbesondere Drehschalter fuer Kraftfahrzeuge |
US3517570A (en) * | 1968-08-07 | 1970-06-30 | Honeywell Inc | Multi-position rotary actuating mechanism |
DE3412517A1 (de) * | 1984-04-04 | 1985-10-17 | Klöckner-Moeller Elektrizitäts GmbH, 5300 Bonn | Befehlstaste mit drehantrieb |
CH666765A5 (de) * | 1985-02-08 | 1988-08-15 | Sprecher & Schuh Ag | Mit einer drehbaren handhabe versehene betaetigungsvorrichtung fuer tastschalter. |
-
1993
- 1993-10-12 DE DE9315441U patent/DE9315441U1/de not_active Expired - Lifetime
-
1994
- 1994-09-29 EP EP94115387A patent/EP0647954B1/fr not_active Expired - Lifetime
- 1994-09-29 DE DE59401148T patent/DE59401148D1/de not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29802552U1 (de) * | 1998-02-14 | 1998-04-23 | Klöckner-Moeller GmbH, 53115 Bonn | Bedieneinrichtung für Befehlsgeräte |
Also Published As
Publication number | Publication date |
---|---|
EP0647954A1 (fr) | 1995-04-12 |
DE9315441U1 (de) | 1993-12-09 |
DE59401148D1 (de) | 1997-01-09 |
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