EP1279789B1 - Separating device for a drive unit - Google Patents

Separating device for a drive unit Download PDF

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Publication number
EP1279789B1
EP1279789B1 EP02016367A EP02016367A EP1279789B1 EP 1279789 B1 EP1279789 B1 EP 1279789B1 EP 02016367 A EP02016367 A EP 02016367A EP 02016367 A EP02016367 A EP 02016367A EP 1279789 B1 EP1279789 B1 EP 1279789B1
Authority
EP
European Patent Office
Prior art keywords
separating device
coupling
blocking member
shaft
coupled
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.)
Revoked
Application number
EP02016367A
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German (de)
French (fr)
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EP1279789A1 (en
Inventor
Michael Sanke
Viktor Schütz
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.)
Hoermann KG Antriebstecknik
Original Assignee
Hoermann KG Antriebstecknik
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Publication date
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Application filed by Hoermann KG Antriebstecknik filed Critical Hoermann KG Antriebstecknik
Publication of EP1279789A1 publication Critical patent/EP1279789A1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
    • E05D13/003—Anti-dropping devices
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/665—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
    • E05F15/668—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings for overhead wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/20—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore
    • E05Y2201/214—Disengaging means
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/20—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore
    • E05Y2201/23—Actuation thereof
    • E05Y2201/244—Actuation thereof by manual operation
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/10—Additional functions
    • E05Y2800/11—Manual wing operation
    • E05Y2800/116—Safety means therefore
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/106—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for garages

Definitions

  • the invention relates to a separating device for a movable component, such as a door leaf which can be moved overhead and a drive device which can be coupled one between a clutch position in which there is an output element of the drive device couples to the component, and a freewheeling position in which the output element is uncoupled from the component, adjustable coupling element and one between at least one release position in which there is an adjustment of the coupling element releases in the freewheeling position, and at least one blocking position in which it counteracts an adjustment of the coupling element in the freewheeling position, movable Locking element, a drive device equipped with such a separating device and a gate with such a drive device.
  • Drive devices for factory or hall gates with especially large and heavy door leaves generally consist of an electric motor and a strong reduction gear, which moves heavy door leaves with comparatively low-performance electric motors. If the electric motor the door leaf must be unable to function due to a power failure or a defect generally decoupled from the drive means for rapid movement of the door leaf between its closed position and open position with little effort to make possible, because the gear arranged between the electric motor and the door leaf generally a strong self-inhibition counteracting this movement having. For this reason, the drive device is between the clutch position and the free-wheel position adjustable coupling element on the door leaf or a drive shaft for the door leaf coupled.
  • EP 0 565 061 B1 described conventional separation devices of the type described above with equipped a locking member, which an adjustment of the coupling element in the Counteracts free-wheeling position and this adjustment only in a predetermined release position allows.
  • the locking member is in the form of a lever rotatably mounted about a predetermined axis, which in the locked position in a circumferential groove of an actuating bolt for the Coupling element engages and so an adjustment of this coupling element in the Free-running position prevented.
  • the locking member with a Actuating element of a path simulator coupled to the drive device, which is synchronized with the movement of the door leaf in a small space projected positional image of the door leaf. The actuation of the Locking member from the locked position to the release position, every time the adjusting member reached its position corresponding to the closed position of the door leaf.
  • the Route simulator of the known device comprises a to the drive device coupled spindle, in the thread of which a guided against rotation, guided longitudinally the sliding spindle engages with a nut thread.
  • This The carriage forms the adjusting element of the route simulator, with which the blocking element is reached when it is reached the closed position of the door leaf is actuated.
  • the carriage includes one Driver formed in the manner of a leaf spring, which when reaching the closed position of the door leaf attacks the locking member.
  • EP-1028215 A2 describes a safety unlocking device for uncoupling a door leaf which can be driven by a drive unit from the drive unit and which can only be actuated with a handle in the door leaf closed position.
  • the object of the invention on the basis of providing a separating device of the type described in the introduction with which an adjustment of the coupling element when a predetermined position of the component coupled to a drive device even after long operating times can still be reliably effected.
  • This invention is based on the knowledge that those observed in the prior art Problems are primarily due to the fact that the operation of the Locking element via an adjusting element coupled to the drive device is particularly susceptible to faults is because the contact surfaces coming into contact with each other during this actuation of the adjusting member and the locking member after long periods of wear show which cause the locking member is no longer reliable is activated for the release of the separation process.
  • This wear process is particularly favored in the known devices in that the Contact surfaces of the adjusting member on the one hand and the locking member on the other hand for each Movement of the door leaf into the closed position comes into contact with each other.
  • This Defect is eliminated in the separation device according to the invention in that the Locking element itself is coupled to the drive device and therefore without an intermediary a route simulator in the movement of the component automatically in the release position arrives without there being any contact between the locking member and a further component driven by the drive device, which too leads to the signs of wear described above. It is special Advantage that increased operational reliability compared to the known separation devices while simplifying the construction of the separating device is achieved, this simplification is essentially achieved in that the in the known separation devices necessary path simulator in the invention Separating device is no longer required. This is expediently Locking member coupled to the drive device so that it reaches a predetermined Position of the component, such as when the closed position of the Door leaf automatically reaches the release position.
  • the locking member can also be designed so that there is more than one position of the component in this The release position is reached, for example, even if one is designed as a door leaf Component reaches its opening position arranged overhead, from which it is due its horizontal alignment even when separated from the drive device cannot fall into the closed position without external influence.
  • the locking member is designed so that it is done even after Adjustment of the coupling element in the freewheeling position just described Properties do not lose, even if the drive device is disconnected in the meantime from the door leaf only at the specified positions of the component, such as about when reaching the closed position and the open position of an overhead Door leaf, the release position is reached.
  • This can be achieved particularly easily be that the locking member via the coupling element to the output element can be coupled, so that even after adjustment of the coupling element in the Freewheel position is carried automatically when the component is moved manually.
  • the locking member is expediently used to control the drive device usable control shaft can be coupled to the output element.
  • Such one Control shaft can be used to control the drive device when using a suitable control element, such as a rotary potentiometer.
  • the output element is usually not directly to the component, but to a rotatably mounted drive shaft for the Component coupled.
  • this can Drive shaft a cable drum for a traction means fixed to the component, such as about include a wire rope, which in the course of the caused with the drive device Rotational movement of the drive shaft is wound onto the cable drum and the Pulls the door leaf from the closed position to the open position.
  • One of the reduction ratio the transmission of the rotary movement from the drive shaft to the Control shaft independent movement transmission from the drive shaft to the locking member can be achieved if the locking member via a, preferably a, the gear or worm gear meshing spur gear having locking member shaft to the control shaft is coupled.
  • the locking member is expediently by a predetermined one Axis of rotation, such as the longitudinal axis of the locking member shaft rotatably and fixed with the locking member shaft connected.
  • the assembly of a separation device according to the invention can thereby be simplified that the locking member is rotatable with respect to the locking member shaft and in each rotational position is rotatably coupled to the locking member shaft.
  • it can Component during assembly in the position in which an adjustment of the Coupling element should be possible in the freewheeling position, transferred and in this position the locking member so aligned with the locking member shaft and then be locked so that it is in the release position.
  • the locking member is expediently one predetermined axis, such as the axis of rotation of the locking member shaft rotatable.
  • Locking member of the separating device according to the invention can be an unwanted adjustment prevent the coupling element particularly reliably when the coupling element a cooperating with the locking member in its locked position Adjustment of the coupling element into the locking element counteracting the freewheeling position assigned.
  • the locking member can be approximately radial to the locking member shaft extending groove and the locking element one in the release position of the locking member in this groove insertable preferably pin-shaped projection, which in a differing from the release position of the locking member on a outer boundary surface of the preferably disc-shaped locking member and counteracts an adjustment of the coupling element.
  • the coupling element Since there is usually no adjustment even in the release position of the locking member of the coupling element is desired, it is particularly useful if the coupling element also in this position only against a preload in the freewheel position is adjustable. This can be achieved particularly easily if the bottom of the groove is ramp-shaped increases and the pin against the biasing force of a biasing device in a direction perpendicular to the groove bottom is adjustable so that an introduction of the pin in the groove when the pin rests against the groove bottom only against the Biasing force of the biasing device is possible.
  • the locking element is expedient on an actuating device used to adjust the coupling element, such as arranged on a pivoted operating lever.
  • a separating device can be made particularly compact if the drive element meshes with a worm of a gear of the drive device and the drive shaft has a rotating worm wheel and the coupling element an axially displaceable and a positive in the coupling position
  • Coupling ring includes which in the coupling position between the worm wheel and the drive shaft is arranged.
  • the actuator can at least have a driver engaging in a groove running around the coupling ring.
  • the locking member is in a drive device for a Head movable door leaf expediently mounted so that it is only in the Closed position and / or the open position of the door leaf in the release position located.
  • the output element realized as a worm wheel 10 is an inventive Drive device shown, which is a screw 12 (see. Fig. 2) the gear of this drive device combs.
  • the worm wheel 10 rotates one Coaxially extending drive shaft for example in the form of an overhead Movable door leaf formed component.
  • a cable drum for winding up a traction means attached to the component, such as a wire rope this traction means by rotating the Drive shaft is wound on the cable drum and thus the component or Door leaf moves.
  • the worm wheel 10 is in the form of a coaxial one Coupling ring formed coupling element 14 form-fitting to the drive shaft coupled so that the rotation of the worm wheel 10 in the in Fig. 1st shown coupling position of the coupling element 14 on the drive shaft 20th is transmitted.
  • the coupling element 14 is axially displaceable, as in FIG. 1 indicated by the double arrow 16.
  • the device shown in FIG. 1 is used to carry out this axial displacement equipped with an actuator 30.
  • the actuator 30 essentially comprises one extending perpendicularly to the drive shaft 20 Pivot axis 32 (see FIG. 3) pivotable actuating lever 31 and a attached to the actuating lever 31 eccentrically with respect to the pivot axis 32 a total of 32 designated booms.
  • the arm 32 has a coupling element 14 partially overlapping fork 33, which at their each other opposite ends equipped with inward driving pin 34 is. These driver pins 34 are in a groove encircling the coupling element 14 18 added.
  • the in The device shown in the drawing is equipped with a locking element arrangement 40.
  • This includes a locking member shaft extending approximately parallel to the pivot axis 32 42, which at its end facing away from the drive shaft 20 (see FIG. 1) forms a locking element of the separating device according to the invention
  • Locking member disc 44 carries and at its end facing the drive shaft 20 with a spur gear 46 is equipped.
  • the spur gear 46 meshes perpendicularly to the one plane spanned by the pivot axis 32 and the drive shaft axis Control shaft 50 rotating gear 52.
  • This gear 52 in turn combs a web 22 surrounding the drive shaft 20 in a helical manner.
  • the groove bottom increases Groove 45 in a ramp shape, so that the locking element in the release position of the Locking member slide 44 is pivoted only against the biasing force of the biasing device can be so as to adjust the clutch element 14 in the free-running position to effect.
  • the locking member disc 44 is with respect to the locking member shaft 42 about the locking member shaft axis can be turned and locked in any of its rotational positions. This will facilitates assembly because the component is initially ignored Rotary position of the locking member disc 44 can be mounted. Only after complete The component is installed in the specified position, e.g. the closed position of a transferred in the form of a door leaf implemented component, then the locking member disc 44 aligned so that the locking pin 36 can be inserted into the groove 45 and locked in this position with respect to the locking member shaft 42.
  • This locking is maintained in the following, even when the coupling element 14 is moved into the freewheel position because the movement of the locking member disk 44 is triggered by the movement of the drive shaft, which is also independent of the Movement of the drive device can take place.
  • the invention is not based on the exemplary embodiment explained with reference to the drawing limited. Rather, within the scope of this invention is also the realization of embodiments in which the locking member in more than one position Adjustment of the coupling element allows, such as in the closed position of a door leaf and in the open position of a door leaf.
  • the locking member disk 44 have more than one groove 45.
  • the locking member can also be coupled to the drive shaft without an intermediate connection a control shaft or a gear wheel rotating this control shaft respectively.

Abstract

Separating device comprises a coupling element (14) which can be adjusted between a coupling position and a releasing position; and a locking part (40) which can be adjusted between a releasing position and a locking position. The locking part is coupled to the drive unit Preferred Features: The locking part is coupled to the drive element (10) via a coupling element. A control shaft (50) has a toothed wheel (52) and/or screw wheel combing a frame (22) surrounding the drive shaft (20).

Description

Die Erfindung betrifft eine Trennvorrichtung für eine an ein bewegbares Bauelement, wie etwa ein über Kopf bewegbares Torblatt, koppelbare Antriebseinrichtung mit einem zwischen einer Kupplungsstellung, in der es ein Abtriebselement der Antriebseinrichtung an das Bauelement kuppelt, und einer Freilaufstellung, in der das Abtriebselement von dem Bauelement entkuppelt ist, verstellbaren Kupplungselement und einem zwischen mindestens einer Freigabestellung, in der es eine Verstellung des Kupplungselementes in die Freilaufstellung freigibt, und mindestens einer Sperrstellung, in der es einer Verstellung des Kupplungselementes in die Freilaufstellung entgegenwirkt, bewegbaren Sperrglied, eine mit einer derartigen Trennvorrichtung ausgestattete Antriebseinrichtung sowie ein Tor mit einer solchen Antriebseinrichtung.The invention relates to a separating device for a movable component, such as a door leaf which can be moved overhead and a drive device which can be coupled one between a clutch position in which there is an output element of the drive device couples to the component, and a freewheeling position in which the output element is uncoupled from the component, adjustable coupling element and one between at least one release position in which there is an adjustment of the coupling element releases in the freewheeling position, and at least one blocking position in which it counteracts an adjustment of the coupling element in the freewheeling position, movable Locking element, a drive device equipped with such a separating device and a gate with such a drive device.

Trennvorrichtungen der eingangs beschriebenen Art werden insbesondere beim Betrieb von elektrisch angetriebenen über Kopf bewegbaren Torblättern von Garagentoren oder Hallentoren eingesetzt. Antriebseinrichtungen für Fabrik- oder Hallentore mit besonders großen und schweren Torblättern bestehen im allgemeinen aus einem Elekromotor und einem stark untersetzenden Getriebe, welches die Bewegung schwerer Torblätter mit vergleichsweise leistungsschwachen Elektromotoren ermöglicht. Falls der Elektromotor wegen Stromausfall oder eine Defektes funktionsunfähig ist, muß das Torblatt im allgemeinen von der Antriebseinrichtung entkoppelt werden, um eine rasche Bewegung desTorblattes zwischen dessen Schließstellung und Öffnungsstellung mit geringem Kraftaufwand zu ermöglichen, weil das zwischen Elektromotor und Torblatt angeordnete Getriebe im allgemeinen eine dieser Bewegung entgegenwirkende starke Selbsthemmung aufweist. Aus diesem Grund ist die Antriebseinrichtung über ein zwischen der Kupplungsstellung und der Freilaufstellung verstellbares Kupplungselement an das Torblatt bzw. eine Antriebswelle für das Torblatt gekoppelt. Zum Schutz der Benutzer derartiger Tore muß jedoch sichergestellt werden, daß das Torblatt bei einer Verstellung des Kupplungselementes in die Freilaufstellung nicht sofort in die Schließstellung herunterfällt und dabei den Benutzer verletzt. Aus diesem Grund sind beispielsweise in der EP 0 565 061 B1 beschriebene herkömmliche Trennvorrichtungen der eingangs beschriebenen Art mit einem Sperrglied ausgestattet, welches einer Verstellung des Kupplungselementes in die Freilaufstellung entgegenwirkt und diese Verstellung nur in einer vorgegebenen Freigabestellung ermöglicht.Separating devices of the type described above are used in particular in the Operation of electrically driven overhead door leaves of garage doors or hall gates used. Drive devices for factory or hall gates with especially large and heavy door leaves generally consist of an electric motor and a strong reduction gear, which moves heavy door leaves with comparatively low-performance electric motors. If the electric motor the door leaf must be unable to function due to a power failure or a defect generally decoupled from the drive means for rapid movement of the door leaf between its closed position and open position with little effort to make possible, because the gear arranged between the electric motor and the door leaf generally a strong self-inhibition counteracting this movement having. For this reason, the drive device is between the clutch position and the free-wheel position adjustable coupling element on the door leaf or a drive shaft for the door leaf coupled. To protect users of such However, gates must be ensured that the door leaf when the coupling element is adjusted in the freewheeling position does not immediately fall into the closed position while doing so hurt the user. For this reason, for example, EP 0 565 061 B1 described conventional separation devices of the type described above with equipped a locking member, which an adjustment of the coupling element in the Counteracts free-wheeling position and this adjustment only in a predetermined release position allows.

Bei der in der genannten Schrift angegebenen Trennvorrichtung ist das Sperrglied in Form eines um eine vorgegebene Achse verdrehbar gelagerten Hebels gebildet, welcher in der Sperrstellung in eine umlaufende Nut eines Betätigungsbolzens für das Kupplungselement eingreift und so eine Verstellung dieses Kupplungselementes in die Freilaufstellung verhindert. Bei der bekannten Vorrichtung wird das Sperrglied mit einem Verstellglied eines an die Antriebseinrichtung angekoppelten Streckensimulators betätigt, welches synchron zur Bewegung es Torblattes angetrieben ein auf kleinen Raum projiziertes Stellungsbild des Torblattes wiedergibt. Dabei erfolgt eine Betätigung des Sperrgliedes von der Sperrstellung in die Freigabestellung, jedesmal wenn das Verstellglied seine der Schließstellung des Torblattes entsprechende Stellung erreicht. Der Streckensimulator der bekannten Vorrichtung umfaßt eine an die Antriebseinrichtung angekuppelte Spindel, in deren Gewinde ein gegen Verdrehung gesichert geführter, längs der Spindelachse verschiebbarer Schlitten mit einem Muttergewinde eingreift. Dieser Schlitten bildet das Verstellglied des Streckensimulators, mit dem das Sperrglied bei Erreichen der Schließstellung des Torblattes betätigt wird. Dazu umfaßt der Schlitten einen nach Art einer Blattfeder gebildeten Mitnehmer, welcher bei Erreichen der Schließstellung des Torblattes an dem Sperrglied angreift. In the separating device specified in the cited document, the locking member is in the form of a lever rotatably mounted about a predetermined axis, which in the locked position in a circumferential groove of an actuating bolt for the Coupling element engages and so an adjustment of this coupling element in the Free-running position prevented. In the known device, the locking member with a Actuating element of a path simulator coupled to the drive device, which is synchronized with the movement of the door leaf in a small space projected positional image of the door leaf. The actuation of the Locking member from the locked position to the release position, every time the adjusting member reached its position corresponding to the closed position of the door leaf. The Route simulator of the known device comprises a to the drive device coupled spindle, in the thread of which a guided against rotation, guided longitudinally the sliding spindle engages with a nut thread. This The carriage forms the adjusting element of the route simulator, with which the blocking element is reached when it is reached the closed position of the door leaf is actuated. For this purpose, the carriage includes one Driver formed in the manner of a leaf spring, which when reaching the closed position of the door leaf attacks the locking member.

Mit dieser Anordnung kann erreicht werden, daß das Kupplungselement nur in der Schließstellung des Torblattes, in der es auf dem Boden des damit zu verschließenden Raumes ruht, in die Freilaufstellung verstellt werden kann, während eine Verstellung des Kupplungselementes ansonsten mit Hilfe des Sperrgliedes verhindert wird.With this arrangement it can be achieved that the coupling element only in the Closed position of the door leaf, in which it is on the bottom of the door to be closed Resting space, can be adjusted to the freewheel position, while an adjustment of the Coupling element is otherwise prevented with the help of the locking member.

Beim Einsatz dieser bekannten ein Sperrglied und einen Streckensimulator aufweisenden Trennvorrichtung hat es sich jedoch gezeigt, daß eine Verstellung des Kupplungselementes in die Freilaufstellung selbst bei Erreichen der Schließstellung des Torblattes insbesondere nach längeren Betriebszeiten des Tores in einigen Fällen nur noch mit hohem Kraftaufwand oder überhaupt nicht mehr möglich ist. Ferner ist in der EP-1028215 A2 eine Sicherheitentriegelungsvorrichtung zum Abkuppeln eines durch ein Antriebsaggregat antreibbaren Torblatt vom Antriebsaggregat beschrieben, die nur in der Torblattschließstellung mit einem Handgriff betätigbar ist.When using this known a locking member and a route simulator having separating device, however, it has been shown that an adjustment of the Coupling element in the freewheeling position even when the closed position of the In some cases, the door leaf in particular only after longer operating times of the door is still possible with great effort or is no longer possible. Furthermore, EP-1028215 A2 describes a safety unlocking device for uncoupling a door leaf which can be driven by a drive unit from the drive unit and which can only be actuated with a handle in the door leaf closed position.

Angesichts dieser Probleme im Stand der Technik liegt der Erfindung die Aufgabe zugrunde, eine Trennvorrichtung der eingangs beschriebenen Art bereitzustellen, mit der eine Verstellung des Kupplungselementes bei Erreichen einer vorgegebenen Stellung des an eine Antriebseinrichtung gekoppelten Bauelementes auch nach langen Betriebszeiten noch zuverlässig bewirkt werden kann.In view of these problems in the prior art, the object of the invention on the basis of providing a separating device of the type described in the introduction with which an adjustment of the coupling element when a predetermined position of the component coupled to a drive device even after long operating times can still be reliably effected.

Erfindungsgemäß wird diese Aufgabe durch die im kennzeichnenden Teil des Anspruchs 1 angegeben Weiterbildung der bekannten Trennvorrichtung gelöst.According to the invention, this object is achieved by the further development of the known part of claim 1 Disconnect device released.

Diese Erfindung geht auf die Erkenntnis zurück, daß die im Stand der Technik beobachteten Probleme in erster Linie darauf zurückzuführen sind, daß die Betätigung des Sperrgliedes über ein an die Antriebseinrichtung gekoppeltes Verstellglied besonders störanfäftig ist, weil die bei dieser Betätigung in Anlage aneinander gelangenden Kontaktflächen des Verstellgliedes und des Sperrgliedes nach längeren Betriebszeiten Abnutzungserscheinungen zeigen, welche dazu führen, daß das Sperrglied nicht mehr zuverlässig für die Freigabe des Trennvorganges betätigt wird. Dieser Verschleißvorgang wird bei den bekannten Vorrichtungen insbesondere auch dadurch begünstigt, daß die Kontaktflächen des Verstellgliedes einerseits und des Sperrgliedes andererseits bei jeder Bewegung des Torblattes in die Schließstellung in Anlage aneinander gelangen. Dieser Mangel wird bei der erfindungsgemäßen Trennvorrichtung dadurch beseitigt, daß das Sperrglied selbst an die Antriebseinrichtung gekoppelt wird und deshalb ohne Zwischenschaltung eines Streckensimulators bei der Bewegung des Bauelementes automatisch in die Freigabestellung gelangt, ohne daß es dazu eines Kontaktes zwischen dem Sperrglied und einem weiteren von der Antriebseinrichtung angetriebenen Bauelement bedarf, der zu den oben beschriebenen Verschleißerscheinungen führt. Dabei ist es von besonderem Vorteil, daß eine im Vergleich zu den bekannten Trennvorrichtungen erhöhte Betriebszuverlässigkeit unter gleichzeitiger Vereinfachung der Konstruktkon der Trennvorrichtung erreicht wird, wobei diese Vereinfachung im wesentlichen dadurch erreicht wird, daß der bei den bekannten Trennvorrichtungen notwendige Streckensimulator bei der erfindungsgemäßen Trennvorrichtung nicht mehr erforderlich ist. Zweckmäßigerweise wird das Sperrglied so an die Antriebseinrichtung angekoppelt, daß es bei Erreichen einer vorgegebenen Stellung des Bauelementes, wie etwa bei Erreichen der Schließstellung des Torblattes automatisch in die Freigabestellung gelangt. Dabei kann das Sperrglied auch so ausgeführt sein, daß es bei mehr als nur einer Stellung des Bauelementes in diese Freigabestellung gelangt, beispielsweise auch dann, wenn ein als Torblatt ausgeführtes Bauelement in seine über Kopf angeordnete Öffnungsstellung gelangt, aus der es aufgrund seiner horizontalen Ausrichtung auch bei Trennung von der Antriebseinrichtung nicht ohne Fremdeinwirkung in die Schließstellung herabfallen kann.This invention is based on the knowledge that those observed in the prior art Problems are primarily due to the fact that the operation of the Locking element via an adjusting element coupled to the drive device is particularly susceptible to faults is because the contact surfaces coming into contact with each other during this actuation of the adjusting member and the locking member after long periods of wear show which cause the locking member is no longer reliable is activated for the release of the separation process. This wear process is particularly favored in the known devices in that the Contact surfaces of the adjusting member on the one hand and the locking member on the other hand for each Movement of the door leaf into the closed position comes into contact with each other. This Defect is eliminated in the separation device according to the invention in that the Locking element itself is coupled to the drive device and therefore without an intermediary a route simulator in the movement of the component automatically in the release position arrives without there being any contact between the locking member and a further component driven by the drive device, which too leads to the signs of wear described above. It is special Advantage that increased operational reliability compared to the known separation devices while simplifying the construction of the separating device is achieved, this simplification is essentially achieved in that the in the known separation devices necessary path simulator in the invention Separating device is no longer required. This is expediently Locking member coupled to the drive device so that it reaches a predetermined Position of the component, such as when the closed position of the Door leaf automatically reaches the release position. The locking member can also be designed so that there is more than one position of the component in this The release position is reached, for example, even if one is designed as a door leaf Component reaches its opening position arranged overhead, from which it is due its horizontal alignment even when separated from the drive device cannot fall into the closed position without external influence.

Zweckmäßigerweise ist das Sperrglied so ausgeführt, daß es auch nach erfolgter Verstellung des Kupplungselementes in die Freilaufstellung die gerade beschriebenen Eigenschaften nicht verliert, also auch bei zwischenzeitlicher Trennung der Antriebseinrichtung vom Torblatt nur bei den vorgegebenen Stellungen des Bauelementes, wie etwa bei Erreichen der Schließstellung und der Öffnungsstellung eines Überkopf bewegbaren Torblattes, die Freigabestellung erreicht. Das kann besonders einfach dadurch erreicht werden, daß auch das Sperrglied über das Kupplungselernent an das Abtriebselement koppelbar ist, so daß es auch nach Verstellung des Kupplungselementes in die Freilaufstellung automatisch mitgeführt wird, wenn das Bauelement manuell bewegt wird.Advantageously, the locking member is designed so that it is done even after Adjustment of the coupling element in the freewheeling position just described Properties do not lose, even if the drive device is disconnected in the meantime from the door leaf only at the specified positions of the component, such as about when reaching the closed position and the open position of an overhead Door leaf, the release position is reached. This can be achieved particularly easily be that the locking member via the coupling element to the output element can be coupled, so that even after adjustment of the coupling element in the Freewheel position is carried automatically when the component is moved manually.

Zweckmäßigerweise ist das Sperrglied über eine zur Steuerung der Antriebseinrichtung einsetzbare Steuerwelle an das Abtriebselement koppelbar. Eine derartige Steuerwelle kann zur Steuerung der Antriebseinrichtung eingesetzt werden, wenn sie mit einem geeigneten Steuerelement, wie etwa einem Drehpotentiometer verbunden ist.The locking member is expediently used to control the drive device usable control shaft can be coupled to the output element. Such one Control shaft can be used to control the drive device when using a suitable control element, such as a rotary potentiometer.

Wie eingangs bereits angesprochen, ist das Abtriebselement üblicherweise nicht unmittelbar an das Bauelement, sondern an eine drehbar gelagerte Antriebswelle für das Bauelement gekoppelt. Bei Einsatz von Bauelementen in Form von Torblättern kann diese Antriebswelle eine Seiltrommel für ein an dem Bauelement festgelegtes Zugmittel, wie etwa ein Drahtseil umfassen, welches im Zuge der mit der Antriebseinrichtung bewirkten Drehbewegung der Antriebswelle auf die Seiltrommel aufgewickelt wird und dabei das Torblatt von der Schließstellung in die Öffnungsstellung zieht.As already mentioned at the beginning, the output element is usually not directly to the component, but to a rotatably mounted drive shaft for the Component coupled. When using components in the form of door leaves, this can Drive shaft a cable drum for a traction means fixed to the component, such as about include a wire rope, which in the course of the caused with the drive device Rotational movement of the drive shaft is wound onto the cable drum and the Pulls the door leaf from the closed position to the open position.

Da die Antriebswelle im Verlauf einer derartigen Öffnungsbewegung mehrere Umdrehungen um ihre Wellenachse macht, ist es im Sinne einer zuverlässigen Steuerung der Antriebseinrichtung besonders zweckmäßig, wenn die Drehbewegung der Antriebswelle über ein untersetzendes Getriebe auf die Steuerwelle übertragen wird. Ein derartiges untersetzendes Getriebe kann besonders einfach dadurch verwirklicht werden, daß die Steuerwelle mit einem einen die Antriebswelle wendelförmig umlaufenden Steg kämmenden Zahnrad bzw. Schneckenrad ausgestattet wird. Auf diese Weise kann erreicht werden, daß zehn oder mehr vollständige Umdrehungen der Antriebswelle erforderlich sind, um eine vollständige Umdrehung der Steuerwelle zu bewirken. Eine vom Untersetzungsverhältnis der Übertragung der Drehbewegung von der Antriebswelle auf die Steuerwelle unabhängige Bewegungsübertragung von der Antriebswelle auf das Sperrglied, kann erreicht werden, wenn das Sperrglied über eine, vorzugsweise ein das Zahnrad bzw. Schneckenrad kämmendes Stirnrad aufweisende Sperrgliedwelle an die Steuerwelle gekoppelt ist. Dazu ist das Sperrglied zweckmäßigerweise um eine vorgegebene Drehachse, wie etwa die Längsachse der Sperrgliedwelle drehbar gelagert und fest mit der Sperrgliedwelle verbunden.Since the drive shaft in the course of such an opening movement several revolutions around its shaft axis, it is in the sense of reliable control of the Drive device particularly useful when the rotational movement of the drive shaft is transmitted to the control shaft via a reduction gear. Such a coarse Transmission can be realized particularly simply in that the Control shaft with a web which meshes with the drive shaft in a helical circumferential fashion Gear or worm gear is equipped. This way can be achieved that ten or more complete revolutions of the drive shaft are required are to effect a complete revolution of the control shaft. One of the reduction ratio the transmission of the rotary movement from the drive shaft to the Control shaft independent movement transmission from the drive shaft to the locking member, can be achieved if the locking member via a, preferably a, the gear or worm gear meshing spur gear having locking member shaft to the control shaft is coupled. For this purpose, the locking member is expediently by a predetermined one Axis of rotation, such as the longitudinal axis of the locking member shaft rotatably and fixed with the locking member shaft connected.

Dabei kann die Montage einer erfindungsgemäßen Trennvorrichtung dadurch vereinfacht werden, daß das Sperrglied bezüglich der Sperrgliedwelle verdrehbar und in jeder Drehstellung drehfest mit der Sperrgliedwelle koppelbar ist. In diesem Fall kann das Bauelement bei der Montage in diejenige Stellung, in der eine Verstellung des Kupplungselementes in die Freilaufstellung möglich sein soll, überführt werden und in dieser Stellung das Sperrglied so bezüglich der Sperrgliedwelle ausgerichtet und anschließend arretiert werden, daß es sich in der Freigabestellung befindet. Im Sinne einer erhöhten Betriebszuverlässigkeit einer erfindungsgemäßen Trennvorrichtung hat es sich als besonders günstig erwiesen, wenn das Sperrglied zumindest abschnittweise etwa synchron zum Bauelement bewegt wird, derart, daß die Stellung des Sperrgliedes zumindest längs eines Abschnittes der Bewegungsbahn des Bauelementes, vorzugsweise in jeder Phase der Bewegung des Bauelementes, derjenigen des Bauelementes eindeutig zugeordnet werden kann.The assembly of a separation device according to the invention can thereby be simplified that the locking member is rotatable with respect to the locking member shaft and in each rotational position is rotatably coupled to the locking member shaft. In this case it can Component during assembly in the position in which an adjustment of the Coupling element should be possible in the freewheeling position, transferred and in this position the locking member so aligned with the locking member shaft and then be locked so that it is in the release position. In the sense of It has increased operational reliability of a separation device according to the invention proven to be particularly favorable if the locking member at least in some sections is moved synchronously to the component, such that the position of the locking member at least along a section of the movement path of the component, preferably in every phase of the movement of the component, that of the component clearly can be assigned.

Wie vorstehend bereits erläutert, ist das Sperrglied zweckmäßigerweise um eine vorgegebene Achse, wie etwa die Drehachse der Sperrgliedwelle drehbar. Mit Hilfe des Sperrgliedes der erfindungsgemäßen Trennvorrichtung läßt sich eine ungewollte Verstellung des Kupplungselementes besonders zuverlässig verhindern, wenn dem Kupplungselement ein zusammenwirkend mit dem Sperrglied in dessen Sperrstellung einer Verstellung des Kupplungselementes in die Freilaufstellung entgegenwirkendes Riegelelement zugeordnet ist. Dabei kann das Sperrglied eine etwa radial zur Sperrgliedwelle verlaufende Nut und das Riegelelement einen in der Freigabestellung des Sperrgliedes in diese Nut einführbaren vorzugsweise stiftförmigen Vorsprung aufweisen, welcher in einer sich von der Freigabestellung unterscheidenden Stellung des Sperrgliedes an einer äußeren Begrenzungsfläche des vorzugsweise scheibenförmigen Sperrgliedes anliegt und so einer Verstellung des Kupplungselementes entgegenwirkt.As already explained above, the locking member is expediently one predetermined axis, such as the axis of rotation of the locking member shaft rotatable. With the help of Locking member of the separating device according to the invention can be an unwanted adjustment prevent the coupling element particularly reliably when the coupling element a cooperating with the locking member in its locked position Adjustment of the coupling element into the locking element counteracting the freewheeling position assigned. The locking member can be approximately radial to the locking member shaft extending groove and the locking element one in the release position of the locking member in this groove insertable preferably pin-shaped projection, which in a differing from the release position of the locking member on a outer boundary surface of the preferably disc-shaped locking member and counteracts an adjustment of the coupling element.

Da auch in der Freigabestellung des Sperrgliedes üblicherweise keine Verstellung des Kupplungselementes gewünscht wird, ist es besonders zweckmäßig, wenn das Kupplungselement auch in dieser Stellung nur gegen eine Vorspannkraft in die Freilaufstellung verstellbar ist. Das kann besonders einfach erreicht werden, wenn der Nutboden rampenförmig ansteigt und der Stift gegen die Vorspannkraft einer Vorspanneinrichtung in einer senkrecht zum Nutboden verlaufenden Richtung verstellbar ist, so daß eine Einführung des Stiftes in die Nut bei Anlage des Stiftes am Nutboden nur gegen die Vorspannkraft der Vorspanneinrichtung möglich ist. Zweckmäßigerweise ist das Riegelelement an einer zum Verstellung des Kupplungselementes dienenden Betätigungseinrichtung, wie etwa an einem schwenkbar gelagerten Betätigungshebel angeordnet. Eine erfindungsgemäße Trennvorrichtung läßt sich besonders kompakt ausführen, wenn das Antriebselement ein eine Schnecke eines Getriebes der Antriebseinrichtung kämmendes und die Antriebswelle umlaufendes Schneckenrad aufweist und das Kupplungselement einen axial verschiebbaren und in der Kupplungsstellung eine formschlüssige Verbindung zwischen dem Schneckenrad und der Antriebswelle bewirkenden Kupplungsring umfaßt, welcher in der Kupplungsstellung zwischen dem Schneckenrad und der Antriebswelle angeordnet ist. Dabei kann die Betätigungseinrichtung mindestens einen in eine den Kupplungsring umlaufende Nut eingreifenden Mitnehmer aufweisen. Wie vorstehend bereits erläutert, ist das Sperrglied bei einer Antriebseinrichtung für ein über Kopf bewegbares Torblatt zweckmäßigerweise so montiert, daß es sich nur in der Schließstellung und/oder der Öffnungsstellung des Torblattes in der Freigabestellung befindet. Since there is usually no adjustment even in the release position of the locking member of the coupling element is desired, it is particularly useful if the coupling element also in this position only against a preload in the freewheel position is adjustable. This can be achieved particularly easily if the bottom of the groove is ramp-shaped increases and the pin against the biasing force of a biasing device in a direction perpendicular to the groove bottom is adjustable so that an introduction of the pin in the groove when the pin rests against the groove bottom only against the Biasing force of the biasing device is possible. The locking element is expedient on an actuating device used to adjust the coupling element, such as arranged on a pivoted operating lever. A separating device according to the invention can be made particularly compact if the drive element meshes with a worm of a gear of the drive device and the drive shaft has a rotating worm wheel and the coupling element an axially displaceable and a positive in the coupling position Effecting connection between the worm wheel and the drive shaft Coupling ring includes which in the coupling position between the worm wheel and the drive shaft is arranged. The actuator can at least have a driver engaging in a groove running around the coupling ring. How already explained above, the locking member is in a drive device for a Head movable door leaf expediently mounted so that it is only in the Closed position and / or the open position of the door leaf in the release position located.

Nachstehend wird die Erfindung unter Bezugnahme auf die Zeichnung, auf die hinsichtlich aller erfindungswesentlichen und in der Beschreibung nicht weiter hervorgehobenen Einzelheiten ausdrücklich verwiesen wird, erläutert. In der Zeichnung zeigt:

Fig. 1
eine Draufsicht auf eine mit einer erfindungsgemäßen Trennvorrichtung ausgestatteten Antriebseinrichtung, in der nur die wesentlichen Bestandteile der Antriebseinrichtung dargestellt sind,
Fig. 2
eine perspektivische Darstellung eines die in Fig. 1 dargestellten wesentlichen Bestandteils enthaltenden Gehäuseteils einer erfindungsgemäßen Antriebseinrichtung und
Fig. 3
eine weitere perspektivische Darstellung des Gehäuseteils nach Fig. 2.
The invention is explained below with reference to the drawing, to which reference is expressly made with regard to all details essential to the invention and not further emphasized in the description. The drawing shows:
Fig. 1
3 shows a plan view of a drive device equipped with a separating device according to the invention, in which only the essential components of the drive device are shown,
Fig. 2
a perspective view of a housing part containing the essential component shown in Fig. 1 of a drive device according to the invention and
Fig. 3
a further perspective view of the housing part of FIG. 2nd

In Fig. 1 ist das als Schneckenrad 10 verwirklichte Abtriebselement einer erfindungsgemäßen Antriebseinrichtung dargestellt, welches eine Schnecke 12 (vgl. Fig. 2) des Getriebes dieser Antriebseinrichtung kämmt. Das Schneckenrad 10 umläuft eine sich koaxial dazu erstreckende Antriebswelle für das beispielsweise in Form eines über Kopf bewegbaren Torblattes gebildete Bauelement. An dieser Antriebswelle 20 kann beispielsweise eine Seiltrommel zum Aufwickeln eines an das Bauelement befestigten Zugmittels, wie etwa eines Drahtseils befestigt sein, wobei dieses Zugmittel durch Drehen der Antriebswelle auf die Seiltrommel aufgewickelt wird und damit das Bauelement bzw. Torblatt bewegt. Das Schneckenrad 10 ist über einen in Form eines koaxial dazu verlaufenden Kupplungsring gebildetes Kupplungselement 14 formschlüssig an die Antriebswelle gekoppelt, so daß die Drehung des Schneckenrades 10 in der in Fig. 1 dargestellten Kupplungsstellung des Kupplungselementes 14 auf die Antriebswelle 20 übertragen wird. Das Kupplungselement 14 ist axial verschiebbar gelagert, wie in Fig. 1 durch den Doppelpfeil 16 angedeutet.In Fig. 1, the output element realized as a worm wheel 10 is an inventive Drive device shown, which is a screw 12 (see. Fig. 2) the gear of this drive device combs. The worm wheel 10 rotates one Coaxially extending drive shaft for example in the form of an overhead Movable door leaf formed component. For example, on this drive shaft 20 a cable drum for winding up a traction means attached to the component, such as a wire rope, this traction means by rotating the Drive shaft is wound on the cable drum and thus the component or Door leaf moves. The worm wheel 10 is in the form of a coaxial one Coupling ring formed coupling element 14 form-fitting to the drive shaft coupled so that the rotation of the worm wheel 10 in the in Fig. 1st shown coupling position of the coupling element 14 on the drive shaft 20th is transmitted. The coupling element 14 is axially displaceable, as in FIG. 1 indicated by the double arrow 16.

Zur Ausführung dieser axialen Verschiebung ist die in Fig. 1 dargestellte Vorrichtung mit einer Betätigungseinrichtung 30 ausgestattet. Die Betätigungseinrichtung 30 umfaßt im wesentlichen einen um eine sich senkrecht zur Antriebswelle 20 erstreckende Schwenkachse 32 (vgl. Fig. 3) verschwenkbaren Betätigungshebel 31 sowie einen bezüglich der Schwenkachse 32 exzentrisch an dem Betätigungshebel 31 befestigten insgesamt mit 32 bezeichneten Ausleger. Der Ausleger 32 weist eine das Kupplungselement 14 teilweise übergreifende Gabel 33 auf, welche an ihren einander entgegengesetzten Enden mit nach innen gerichteten Mitnehmerzapfen 34 ausgestattet ist. Diese Mitnehmerzapfen 34 sind in einer das Kupplungselement 14 umlaufenden Nut 18 aufgenommen. Bei einer Schwenkbewegung des Betätigungshebels 31 erfolgt aufgrund der exzentrischen Ankopplung des Auslegers 32 eine Translationsbewegung der Gabel 33 in den durch den Doppelpfeil 16 bezeichneten Rchtungen, in deren Verlauf das Kupplungselement 14 mit Hilfe der in die umlaufende Nut 18 eingreifenden Mitnehmerzapfen 34 von der in Fig. 1 dargestellten Kupplungsstellung in eine Freilaufstellung verstellt werden kann, in der die Antriebswelle 20 von dem Schneckenrad 10 entkuppelt ist. In dieser Freilaufstellung kann die Antriebswelle 20 bzw. das daran gekuppelte Bauelement bzw. Torblatt unabhängig von dem Schneckenrad 10 und den daran gekoppelten weiteren Elementen der Antriebseinrichtung bewegt werden.The device shown in FIG. 1 is used to carry out this axial displacement equipped with an actuator 30. The actuator 30 essentially comprises one extending perpendicularly to the drive shaft 20 Pivot axis 32 (see FIG. 3) pivotable actuating lever 31 and a attached to the actuating lever 31 eccentrically with respect to the pivot axis 32 a total of 32 designated booms. The arm 32 has a coupling element 14 partially overlapping fork 33, which at their each other opposite ends equipped with inward driving pin 34 is. These driver pins 34 are in a groove encircling the coupling element 14 18 added. When the actuating lever 31 pivots due to the eccentric coupling of the arm 32, a translational movement of the Fork 33 in the directions indicated by the double arrow 16, in the course of which Coupling element 14 with the aid of the driver pins engaging in the circumferential groove 18 34 from the clutch position shown in Fig. 1 in a free-running position can be adjusted in which the drive shaft 20 is uncoupled from the worm wheel 10 is. In this freewheel position, the drive shaft 20 or the clutch coupled thereto Component or door leaf independent of the worm wheel 10 and the coupled further elements of the drive device are moved.

Aus Sicherheitsgründen soll die gerade beschriebene Entkopplung allerdings nur in vorgegebenen Stellungen des Bauelementes ausführbar sein. Aus diesem Grund ist die in der Zeichnung dargestellte Vorrichtung mit einer Sperrgliedanordnung 40 ausgestattet. Diese umfaßt eine sich etwa parallel zur Schwenkachse 32 erstreckende Sperrgliedwelle 42, welche an ihrem der Antriebswelle 20 abgewandten Ende (vgl. Fig. 1) eine das Sperrglied der erfindungsgemäßen Trennvorrichtung bildende Sperrgliedscheibe 44 trägt und an ihrem der Antriebswelle 20 zugewandten Ende mit einem Stirnrad 46 ausgestattet ist. Das Stirnrad 46 kämmt ein eine sich senkrecht zu der durch die Schwenkachse 32 und die Antriebswellenachse aufgespannte Ebene erstreckende Steuerwelle 50 umlaufendes Zahnrad 52. Dieses Zahnrad 52 wiederum kämmt einen die Antriebswelle 20 wendelförmig umlaufenden Steg 22. Auf diese Weise wird eine Drehbewegung der Antriebswelle 20 nach Art eines Schneckenradgeriebes auf das Zahnrad 52 und damit auch auf die Sperrgliedanordnung 40 übertragen. Durch die Ankopplung der Steuerwelle 50 an die Antriebswelle 20 über das Zahnrad 52 und den Steg 22 wird erreicht, daß eine Vielzahl von Umdrehungen der Antriebswelle erforderlich sind, um eine vollständige Umdrehung der Steuerwelle 50 bzw. der Sperrgliedwelle 42 zu erzeugen. Daher kann mit dieser Ankopplung erreicht werden, daß die Steuerwelle 50 bzw. die Sperrgliedwelle 42 im Verlauf der Bewegung des Bauelementes längs seiner gesamten Bewegungsbahn nur eine Umdrehung vollendet. Wie besonders deutlich in den Fig. 1 und 3 zu erkennen ist, weist der Betätigungshebel 31 ein sich etwa parallel zur Schwenkachse 32 erstreckendes stiftförmiges Riegelelement 36 auf, welches nur in der in Fig. 1 und 3 dargestellten Freigabestellung der Sperrgliedscheibe 44 in eine in dieser Sperrgliedscheibe 44 vorgesehene Nut 45 einführbar ist. Wenn die Sperrgliedscheibe 44 im Verlauf der Bewegung des Bauelementes aus der in Fig. 3 dargestellten Freigabestellung verdreht wird, gelangt das stiftförmige Riegelelement 36 bei einer Schwenkbewegung des Betätigungshebels 31 in Anlage an die Umfangsfläche der Sperrgliedscheibe 44 und verhindert so die Ausführung der Schwenkbewegung bzw. die Verstellung des Kupplungelementes 14 aus der in Fig. 1 dargestellten Kupplungsstellung in eine Freilaufstellung. Das stiftförmige Riegelelement 36 ist gegen die Vorspannkraft einer Vorspanneinrichtung in einer parallel zur Stiftachse verlaufenden Richtung verschiebbar und liegt bei Einführen in die Nut 45 an deren Nutboden an. Wie in Fig. 3 dargestellt wird, steigt der Nutboden der Nut 45 rampenförmig an, so daß das Riegelelement auch in der Freigabestellung der Sperrgliedschiebe 44 nur gegen die Vorspannkraft der Vorspanneinrichtung verschwenkt werden kann, um so eine Verstellung des Kupplungselementes 14 in die Freilaufstellung zu bewirken. Die Sperrgliedscheibe 44 ist bezüglich der Sperrgliedwelle 42 um die Sperrgliedwellenachse verdrehbar und in jeder ihrer Drehstellungen arretierbar. Dadurch wird eine Montageerleichterung erreicht, weil das Bauelement zunächst ohne Rücksicht auf die Drehstellung der Sperrgliedscheibe 44 montiert werden kann. Erst nach vollständiger Montage wird das Bauelement in die vorgegebene Stellung, z.B. die Schließstellung eines in Form eines Torblattes verwirklichten Bauelementes überführt, dann die Sperrgliedscheibe 44 so ausgerichtet, daß der Riegelstift 36 in die Nut 45 eingeführt werden kann und in dieser Stellung bezüglich der Sperrgliedwelle 42 arretiert.For security reasons, however, the decoupling just described should only be used in predetermined positions of the component to be executable. For this reason, the in The device shown in the drawing is equipped with a locking element arrangement 40. This includes a locking member shaft extending approximately parallel to the pivot axis 32 42, which at its end facing away from the drive shaft 20 (see FIG. 1) forms a locking element of the separating device according to the invention Locking member disc 44 carries and at its end facing the drive shaft 20 with a spur gear 46 is equipped. The spur gear 46 meshes perpendicularly to the one plane spanned by the pivot axis 32 and the drive shaft axis Control shaft 50 rotating gear 52. This gear 52 in turn combs a web 22 surrounding the drive shaft 20 in a helical manner. In this way is a rotational movement of the drive shaft 20 in the manner of a worm gear the gear 52 and thus also transferred to the locking member arrangement 40. Through the coupling the control shaft 50 to the drive shaft 20 via the gear 52 and the web 22 is reached, that a large number of revolutions of the drive shaft are required to achieve a To generate complete rotation of the control shaft 50 and the locking member shaft 42. It can therefore be achieved with this coupling that the control shaft 50 or the Locking element shaft 42 in the course of the movement of the component along its entire length Trajectory completed only one revolution. As particularly clearly in FIGS. 1 and 3 can be seen, the actuating lever 31 is approximately parallel to the pivot axis 32 extending pin-shaped locking element 36, which is only in the in Fig. 1 and 3rd shown release position of the locking member plate 44 in a in this locking member plate 44 provided groove 45 is insertable. If the locking member disc 44 in Course of the movement of the component from the release position shown in Fig. 3 is rotated, the pin-shaped locking element 36 arrives when the Actuating lever 31 in contact with the peripheral surface of the locking member disc 44 and prevents the execution of the pivoting movement or the adjustment of the coupling element 14 from the clutch position shown in Fig. 1 in a freewheel position. The pin-shaped locking element 36 is against the biasing force of a biasing device Slidable in a direction parallel to the pin axis and is when inserted in the groove 45 on the groove bottom. As shown in Fig. 3, the groove bottom increases Groove 45 in a ramp shape, so that the locking element in the release position of the Locking member slide 44 is pivoted only against the biasing force of the biasing device can be so as to adjust the clutch element 14 in the free-running position to effect. The locking member disc 44 is with respect to the locking member shaft 42 about the locking member shaft axis can be turned and locked in any of its rotational positions. This will facilitates assembly because the component is initially ignored Rotary position of the locking member disc 44 can be mounted. Only after complete The component is installed in the specified position, e.g. the closed position of a transferred in the form of a door leaf implemented component, then the locking member disc 44 aligned so that the locking pin 36 can be inserted into the groove 45 and locked in this position with respect to the locking member shaft 42.

Diese Arretierung wird im folgenden beibehalten, auch wenn das Kupplungselement 14 in die Freilaufstellung verstellt wird, weil die Bewegung der Sperrgliedscheibe 44 von der Bewegung der Antriebswelle ausgelöst wird, welche auch unabhängig von der Bewegung der Antriebseinrichtung erfolgen kann.This locking is maintained in the following, even when the coupling element 14 is moved into the freewheel position because the movement of the locking member disk 44 is triggered by the movement of the drive shaft, which is also independent of the Movement of the drive device can take place.

Die Erfindung ist nicht auf das anhand der Zeichnung erläuterte Ausführungsbeispiel beschränkt. Vielmehr ist im Rahmen dieser Erfindung auch an die Verwirklichung von Ausführungsformen gedacht, bei denen das Sperrglied in mehr als einer Stellung eine Verstellung des Kupplungselementes erlaubt , wie etwa in der Schließstellung eines Torblattes und in der Öffnungsstellung eines Torblattes. Dazu kann die Sperrgliedscheibe 44 mehr als eine Nut 45 aufweisen. Ferner ist auch an die Verwirklichung von Ausführungsformen gedacht, bei denen das Sperrglied einen Stift aufweist, welcher in der Freigabestellung in eine in dem Betätigungshebel 31 vorgesehene Nut eingreifen kann. Schließlich kann die Ankopplung des Sperrgliedes an die Antriebswelle auch ohne Zwischenschaltung einer Steuerwelle bzw. eines diese Steuerwelle umlaufenden Zahnrades erfolgen.The invention is not based on the exemplary embodiment explained with reference to the drawing limited. Rather, within the scope of this invention is also the realization of embodiments in which the locking member in more than one position Adjustment of the coupling element allows, such as in the closed position of a door leaf and in the open position of a door leaf. For this purpose, the locking member disk 44 have more than one groove 45. Furthermore, the implementation of embodiments thought, in which the locking member has a pin which in the Release position can engage in a groove provided in the actuating lever 31. Finally, the locking member can also be coupled to the drive shaft without an intermediate connection a control shaft or a gear wheel rotating this control shaft respectively.

Claims (17)

  1. A separating device for a drive unit which can be coupled to a movable structural element, such as for example a door leaf movable in an overhead manner, with a coupling element (14), displaceable between a coupling position, in which it couples a driving element (10) of the drive unit to the structural element, and a free-running position, in which the driving element (10) is uncoupled from the structural element, and with a blocking member (44), movable between at least one release position, in which it allows the displacement of the coupling element (14) into the free-running position, and at least one blocking position, in which it counteracts the displacement of the coupling element (14) into the free-running position, characterized in that the blocking member itself is capable of being coupled to the drive unit and in each phase of the movement of the structural element is moved in synchronism with it.
  2. A separating device according to Claim 1, characterized in that the blocking member (44) is capable of being coupled to the driving element (10) by way of the coupling element (14).
  3. A separating device according to Claim 1 or 2, characterized in that the blocking member (44) is capable of being coupled to the driving element (10) by way of a rotatably mounted control shaft (50).
  4. A separating device according to Claim 2 or 3, characterized in that the driving element (10) is capable of being coupled to a rotatably mounted drive shaft (20) for the structural element.
  5. A separating device according to Claims 3 and 4, characterized in that the control shaft (50) comprises a gearwheel (52) or worm wheel meshing with a web (22) revolving in a helical manner around the drive shaft (20).
  6. A separating device according to Claims 3 to 5, characterized in that the blocking member (44) is coupled to the control shaft (50) by way of a blocking-member shaft (42) preferably comprising a spur wheel (46) meshing with the gearwheel (52) or worm wheel.
  7. A separating device according to one of the preceding Claims, characterized in that the blocking member (44) is rotatable about a pre-set axis of rotation, such as for example the axis of the blocking-member shaft.
  8. A separating device according to one of the preceding Claims, characterized in that the position of the blocking member (44) can be clearly correlated with that of the structural element along a portion of the path of movement of the structural element, preferably in each phase of the movement of the structural element.
  9. A separating device according to one of the preceding Claims, characterized in that the coupling member (14) has associated with it a locking element (36) which counteracts the displacement of the coupling member (14) into the free-running position in co-operation with the blocking member (44) in the blocking position of the latter.
  10. A separating device according to Claims 7 and 9, characterized in that the blocking member (44) or the locking element (36) has a groove and the locking element (36) or the blocking member (44) has a projection, preferably pin-shaped, which is capable of being inserted into the groove in the release position of the blocking member (44).
  11. A separating device according to Claim 10, characterized in that the base of the groove ascends in the form of a ramp and the pin (36) is displaceable against the pre-stressing force of a pre-stressing device in a direction extending substantially at a right angle to the base of the groove.
  12. A separating device according to one of Claims 9 to 11, characterized in that the locking element (36) is arranged on an actuating device (30) used for displacing the coupling element (14).
  13. A separating device according to one of Claims 4 to 12, characterized in that the driving element (10) has a worm wheel (10) meshing with a worm of a gear mechanism of the drive unit and revolving around the drive shaft (20), and the coupling element (14) comprises an axially displaceable coupling ring forming a positively locking connexion between the worm wheel (10) and the drive shaft (20) in the coupling position.
  14. A separating device according to Claim 13, characterized in that the actuating device (30) has at least one entrainment means (34) engaging in a groove (18) extending around the coupling ring (14).
  15. A drive unit for a door leaf movable movable in an overhead manner with a separating device according to one of the preceding Claims.
  16. A drive unit according to Claim 15, characterized in that the blocking member (44) is in the release position only in the closed position of the door leaf.
  17. A door with a drive unit according to one of Claims 15 or 16.
EP02016367A 2001-07-25 2002-07-25 Separating device for a drive unit Revoked EP1279789B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20112283U DE20112283U1 (en) 2001-07-25 2001-07-25 Separator
DE20112283U 2001-07-25

Publications (2)

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EP1279789A1 EP1279789A1 (en) 2003-01-29
EP1279789B1 true EP1279789B1 (en) 2004-09-29

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Family Applications (1)

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EP02016367A Revoked EP1279789B1 (en) 2001-07-25 2002-07-25 Separating device for a drive unit

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US (1) US7007427B2 (en)
EP (1) EP1279789B1 (en)
AT (1) ATE278093T1 (en)
DE (2) DE20112283U1 (en)
ES (1) ES2199099T3 (en)
PL (1) PL204225B1 (en)

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DE102009007634A1 (en) 2008-03-12 2009-09-24 Hörmann KG Antriebstechnik Door drive device, in particular direct drive
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Also Published As

Publication number Publication date
PL204225B1 (en) 2009-12-31
DE50201144D1 (en) 2004-11-04
EP1279789A1 (en) 2003-01-29
PL355070A1 (en) 2003-01-27
US7007427B2 (en) 2006-03-07
ES2199099T3 (en) 2005-03-16
US20030019157A1 (en) 2003-01-30
DE20112283U1 (en) 2001-10-31
ATE278093T1 (en) 2004-10-15
ES2199099T1 (en) 2004-02-16

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