EP0707328B1 - Actionneur pivotable pour interrupteur de sécurité - Google Patents

Actionneur pivotable pour interrupteur de sécurité Download PDF

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Publication number
EP0707328B1
EP0707328B1 EP95111311A EP95111311A EP0707328B1 EP 0707328 B1 EP0707328 B1 EP 0707328B1 EP 95111311 A EP95111311 A EP 95111311A EP 95111311 A EP95111311 A EP 95111311A EP 0707328 B1 EP0707328 B1 EP 0707328B1
Authority
EP
European Patent Office
Prior art keywords
holder
slider
actuator according
radius actuator
locking wheel
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
Application number
EP95111311A
Other languages
German (de)
English (en)
Other versions
EP0707328A1 (fr
Inventor
Rolf Dipl.-Ing. Wecke
Roland Dipl.-Ing. Mönnings
Ralph Hoppmann
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.)
Hans Bernstein Spezialfabrik fur Schaltkontakte & Co GmbH
Original Assignee
Hans Bernstein Spezialfabrik fur Schaltkontakte & Co GmbH
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 Hans Bernstein Spezialfabrik fur Schaltkontakte & Co GmbH filed Critical Hans Bernstein Spezialfabrik fur Schaltkontakte & Co GmbH
Publication of EP0707328A1 publication Critical patent/EP0707328A1/fr
Application granted granted Critical
Publication of EP0707328B1 publication Critical patent/EP0707328B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H27/00—Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings
    • H01H27/002—Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings wherein one single insertion movement of a key comprises an unlocking stroke and a switch actuating stroke, e.g. security switch for safety guards

Definitions

  • the invention relates to a radius actuator for safety switches, consisting of a holder and one against spring force between one oblique approach position and a switch actuation position movable operating bracket held therein.
  • Safety switches are used to switch off the power supply, if, for example, a protective cover from a device or a Machine is removed, housing doors, room doors are opened and the like.
  • Such safety switches usually have several in Approach openings oriented in different directions, through the purpose Circuit an actuator can occur, for example, together with a door, a flap or the like.
  • the radius actuator is doing so on the flap, door, lid or the like in a predetermined Distance from the folding or rotating axis of this part attached.
  • Radius actuators are used, if so far in relation to the Safety switch of the actuators on the door, flap or cover only open a small swivel radius can be arranged.
  • the design is to make so that the radius actuator in the start-up phase to Safety switch is in an inclined position (approach position) so that it is at small swivel radius easily into the safety switch or its Approach opening can occur, but it continues in the course of the switch operation for the actuation of a ratchet, for example
  • a safety switch essentially to be operated Element can assume vertical switch actuation position.
  • the spring force ensures that the actuating bracket of the radius actuator after leaving the safety switch the starting position again occupies.
  • Such radius actuators are for example from DE-U-88 07 681 and DE-U-88 07 682 known.
  • the oblique approach position is in the known Radius actuators specified by adjusting screws with which the swivel angle is adjustable when the radius actuator is installed.
  • the hiring activity Often it is problematic to perform in a confined space because a tool must be available, it is difficult to adjust the screw adjust exactly and there is a risk that the screw even is completely unscrewed and then lost and possibly the Actuating bracket falls out of the holder.
  • the settings can be made for each of the known radius actuators to match a right-hand or left-hand stop in practice, but there is often a need to adapt to the spatially predetermined position of the safety switch, the operating bracket across its broad side, in other applications but offset it by 90 ° to its sloping side.
  • two different radius actuator types are used in the known prior art needed.
  • the present invention has for its object a radius actuator of the generic type to create the extraordinary easy to use and easy to use on site small swivel radius in relation to the safety switch can be.
  • the solution according to the invention consists in a radius actuator of the generic type Type according to claim 1 in that the actuating bracket by means of a Head piece in a reciprocating slide in which Direction of movement of the slider cushioned relative to this, arranged is, the slider by means of a manually operated in the holder Adjusting mechanism is displaceable in both directions of movement and the head piece is supported on the holder so that it can be tilted outside the slide is.
  • the assembled on-site can easily Radius actuator using the adjusting mechanism provided in the holder without tools by hand in the desired position in adaptation to the existing one Swivel angle can be brought in relation to the safety switch.
  • the displacement of the head piece of the operating bracket by means of the slide in connection with the tiltable support outside the slide results in the desired inclination of the operating bracket, the cushioning of the head piece in both directions of movement of the Slider ensures that the operating bracket inside the slider after entering the safety switch and in the switch actuation phase the required essentially vertically oriented position can take and leave it after leaving the safety switch automatically tilts back into the specified inclined starting position.
  • the Setting mechanism a ratchet wheel, which is in ratchet ring sections of the Holder rotatably and can be implemented by 90 ° and the slide in one recess of the ratchet wheel provided with cam sections is guided. Thanks to this configuration, with a single radius actuator type swivel angle settings both over the Width of the control bracket as well as reached over its narrow side become.
  • the radius actuator shown in the figures has an operating bracket 1, the active end according to predetermined active contours on each affected safety switch or its switching wheel is adapted.
  • Headpiece which in the exemplary embodiment according to FIG. 1 consists of a corresponding End of the operating bracket fixed round rod 2 and one adjoining ball 3.
  • the ball 3 of the head piece will arranged in a sliding block-like slide 4, wherein in the two directions of displacement of the slide to be explained in more detail 4 the position of the ball 3 in the slide 4 by correspondingly arranged on both sides Springs 5 is specified.
  • the slide 4 in turn is arranged in an actuating mechanism which is essentially formed by a ratchet wheel 6, which is shown in the Embodiment a wheel made of a plastic with a certain elasticity detent fine external teeth 7 is formed.
  • the ratchet wheel 6 has a recess 8 in which the slide 4 is arranged.
  • the recess 8 has a circular shape Section 9, diagonally opposite a cam section 10 lies that clearly to an imaginary center of the recess 8 has a smaller distance than the opposite circular section 9.
  • the recess in the transition area is perpendicular to the diagonal mentioned between sections 9 and 10 expanded accordingly. This out of round
  • the cross-sectional shape of the recess 8 is on the outer contour of the slide 4 adapted, which is elongated and at its two longitudinal ends Rounding 12 has that in flat, opposite boundary surfaces 13 pass over.
  • the radius actuator also has a holder 14, which consists of two identical sections can be assembled.
  • the sections of the holder 14 each have on two essentially opposite sides Locking sections 15, which are elastically blocking with the external toothing 7 of the Ratchet wheel 6 cooperate.
  • the height dimensioning of the holder 14 or its sections is made so that in the assembled state (See FIG. 2) top and bottom circumferential sections of ratchet wheel 6 protrude the holder 14 and here a handling by turning by hand enable.
  • the two sections of the holder 14 each have a catch 16 and one Locking recess 17 and can thereby be firmly connected.
  • the parts of the holder 14 each have one or two tab pieces 18 which interlock when assembled and with Bores 19 are provided, with the aid of which the holder 14 on a cover, Flap, door or the like at a predetermined distance from the pivot axis this part can be attached.
  • a tilting Support for the rod 2 of the head piece is provided.
  • An exemplary embodiment is a passage opening 21 provided, the inner wall by a circumferential, in cross section approximately triangular bead 22 is formed.
  • FIGS. 1 and 2 show the starting position for the setting of the desired starting inclined position of the actuating bracket 1.
  • the ratchet wheel 6 rotated counterclockwise, passes through this rotation of the cam portion 10 of the ratchet wheel 6 on one of the curves 12 on the outside of the slide 4 at its long side end, whereby the slide 4 is displaced within the ratchet wheel 6, so that an imaginary The center of the recess 8 reaches an eccentric position with respect to the axis of rotation of the ratchet wheel 6 (see FIG.
  • Figures 4, 5, 6, 6a and 6b illustrate that in relation to the Above described part arrangement with inclined position of the operating lever 1 across its width with the same parts in the simplest way an inclinability of the operating lever 1 also on its narrow side can reach.
  • the same imagined given spatial position of the Parts of the holder 14 and the operating bracket 1 is now only in Relative to Figure 1 so offset by 90 ° that ratchet wheel 6 in one such spatial position used in the receiving space 20 of the holder 14 that the cam section 10 is not seen on the figure above, but is in the left side position, whereby the slide corresponds again here chend is used so that its a flat boundary surface 13 the Control curve section 10 is opposite again.
  • the springs 5 are now arranged accordingly on both sides of the ball 3 of the head piece.
  • a radius actuator is provided, in which, in contrast to the exemplary embodiment according to FIG. 1, the head piece at the end of the rod 2 carries a square 23, for which guide surfaces 24 are provided in the slide 4.
  • the actuator cannot be rotated about its axis from the outside.
  • FIGS. 7a and 8a illustrate the start-up phase one by one Broadside and radius actuator inclined around its narrow side, mounted, for example, on a pivoting door 25 in the direction on its safety switch 26 or its approach opening 27 to.
  • Figures 7b and 8b illustrate the run-in phase.
  • the radius actuator is in the vertical switch actuation position against the spring force pressed in the safety switch 26.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Lock And Its Accessories (AREA)
  • Switches With Compound Operations (AREA)

Claims (9)

  1. Actionneur à rayon de pivotement pour interrupteur de sécurité se composant d'un support (14), et d'un étrier de manoeuvre (1) maintenu de manière mobile dans ce support contre une force de ressort (5) entre une position de départ inclinée et une position d'actionnement d'un interrupteur, caractérisé en ce que l'étrier de manoeuvre (1) est disposé au moyen d'une tête de commande (2,3,23) dans un coulisseau (4) maintenu de manière à permettre un mouvement de va-et-vient, et ceci dans les directions de déplacement du coulisseau (4) avec un positionnement par ressort (5) par rapport à celui-ci, le coulisseau (4) pouvant coulisser dans les deux directions de déplacement au moyen d'un mécanisme de positionnement (6) placé dans le support (14) et actionné à la main et la tête de commande (2,3,23) prenant appui, en dehors du coulisseau (4), dans le support (14) de manière à lui permettre de basculer.
  2. Actionneur à rayon de pivotement selon la revendication 1, caractérisé en ce que le mécanisme de positionnement comprend une roue à cliquet (6) qui est positionnée dans des tronçons de couronne à cliquet (15) du support (14) de manière à pouvoir tourner et à être déplacée de 90° et le coulisseau (4) est disposé de manière coulissante dans un évidement (8) muni d'un tronçon de came de commande (10) de la roue à cliquet (6).
  3. Actionneur à rayon de pivotement selon l'une des revendications précédentes, caractérisé en ce qu'un tronçon en forme d'arc de cercle (9) est formé dans la paroi intérieure de l'évidement (8) de la roue à cliquet (6) du coté opposé au tronçon de came de commande (10), la transition de l'un à l'autre de ces tronçons est continue, le coulisseau (4) a une forme oblongue, les extrémités longitudinales ont des arrondis (12) et le coulisseau comprend entre les arrondis une surface plane extérieure de délimitation (13) qui, dans la position Se départ montée, avant le réglage de la position de départ inclinée de l'étrier de manoeuvre (1), est disposée en face du tronçon de came de commande (10) de l'évidement (8) de la roue à cliquet (6).
  4. Actionneur à rayon de pivotement selon l'une des revendications précédentes, caractérisé en ce que la roue à cliquet (6) porte une denture extérieure (7), les tronçons à cliquets (15) ont une denture correspondante dans le support (14) et le support (14) et la roue à cliquet (6) sont dimensionnés de manière à ce que la roue à cliquet (6) dépasse en partie du support (14).
  5. Actionneur à rayon de pivotement selon l'une des revendications précédentes, caractérisé en ce que l'appui avec mouvement basculant de la tête de commande (2,3,23) de l'étrier de manoeuvre (1) est formé sur la paroi intérieure d'une ouverture de passage (21) du support (14).
  6. Actionneur à rayon de pivotement selon la revendication 5, caractérisé en ce que l'ouverture de passage (21) est formée par un bourrelet circulaire (22) dont la section a une forme sensiblement triangulaire.
  7. Actionneur à rayon de pivotement selon l'une des revendications précédentes, caractérisé en ce que le support (14) se compose de deux pièces distinctes identiques qui peuvent être encliquetées autour de la roue à cliquet (6).
  8. Actionneur à rayon de pivotement selon la revendication 7, caractérisé en ce que les deux parties du support (14) sont munies d'attaches latérales (18) qui s'interpénètrent lors de l'encliquetage des pièces distinctes et qui sont équipées de trous (19) pour des vis de fixation.
  9. Actionneur à rayon de pivotement selon l'une des revendications précédentes, caractérisé en ce que la tête de commande comprend un carré (23) pour lequel des surfaces de guidage (24) sont prévues dans le coulisseau (4).
EP95111311A 1994-10-11 1995-07-19 Actionneur pivotable pour interrupteur de sécurité Expired - Lifetime EP0707328B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4436199 1994-10-11
DE4436199A DE4436199C1 (de) 1994-10-11 1994-10-11 Radiusbetätiger für Sicherheitsschalter

Publications (2)

Publication Number Publication Date
EP0707328A1 EP0707328A1 (fr) 1996-04-17
EP0707328B1 true EP0707328B1 (fr) 2000-01-12

Family

ID=6530409

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95111311A Expired - Lifetime EP0707328B1 (fr) 1994-10-11 1995-07-19 Actionneur pivotable pour interrupteur de sécurité

Country Status (5)

Country Link
US (1) US5662212A (fr)
EP (1) EP0707328B1 (fr)
DE (2) DE4436199C1 (fr)
DK (1) DK0707328T3 (fr)
ES (1) ES2140587T3 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29701797U1 (de) * 1997-02-03 1997-04-24 Hans Bernstein Spezialfabrik für Schaltkontakte GmbH & Co, 32457 Porta Westfalica Radiusbetätiger für einen Sicherheitsschalter
DE19707865C2 (de) * 1997-02-27 1999-07-22 Moeller Gmbh Bewegungsflexibler Betätiger für Sicherheitsschalter
DE29801192U1 (de) * 1998-01-26 1998-08-20 Hans Bernstein Spezialfabrik für Schaltkontakte GmbH & Co, 32457 Porta Westfalica Radiusbetätiger für Sicherheitsschalter
DE19810735C2 (de) * 1998-03-12 2003-10-09 Schmersal K A Gmbh & Co Betätiger für einen Sicherheitsschalter
US6949712B1 (en) 1999-10-12 2005-09-27 Honeywell International Inc. Actuator
JP4229556B2 (ja) * 1999-12-28 2009-02-25 Ｉｄｅｃ株式会社 安全スイッチ用アクチュエータ
JP3941337B2 (ja) * 2000-05-12 2007-07-04 オムロン株式会社 ドアスイッチ
EP2036105B1 (fr) * 2006-06-30 2015-07-29 Siemens Aktiengesellschaft Actionneur pour l'actionnement d'un interrupteur de sécurité
JP6470162B2 (ja) * 2015-11-12 2019-02-13 Idec株式会社 安全スイッチ用アクチュエータ

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3591747A (en) * 1969-12-29 1971-07-06 Arrow Hart Inc Lever operated switch with tiltable contact actuator and flexible contacts
DE8514140U1 (de) * 1985-05-11 1985-06-27 Hans & Jos. Kronenberg Gmbh, 5060 Bergisch Gladbach Sicherheitsschalter mit Fehlschließsicherung
DE8807681U1 (de) * 1988-06-14 1988-08-18 K.A. Schmersal Gmbh & Co, 5600 Wuppertal Radiusbetätiger für einen Sicherheitsschalter
DE8807682U1 (de) * 1988-06-14 1988-08-18 K.A. Schmersal Gmbh & Co, 5600 Wuppertal Radiusbetätiger für einen Sicherheitsschalter
FR2653929B1 (fr) * 1989-10-27 1992-01-03 Telemecanique Mobile d'actionnement a cle pour interrupteur de securite.
JP2525658Y2 (ja) * 1991-09-18 1997-02-12 アルプス電気株式会社 シーソ型スイッチ
US5286935A (en) * 1993-04-22 1994-02-15 Appleton Electric Company Self-locating, prepositioning actuator for an electrical switch enclosure
DE9313408U1 (de) * 1993-09-06 1993-11-04 Klöckner-Moeller GmbH, 53115 Bonn Bewegungsflexibler Betätiger für Positionsschalter und Zuhaltevorrichtungen

Also Published As

Publication number Publication date
EP0707328A1 (fr) 1996-04-17
DE59507600D1 (de) 2000-02-17
DK0707328T3 (da) 2000-06-19
DE4436199C1 (de) 1995-12-14
ES2140587T3 (es) 2000-03-01
US5662212A (en) 1997-09-02

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