EP0279237B2 - Rotating actuating device for moving a pivoting door wing, especially at a vehicle - Google Patents

Rotating actuating device for moving a pivoting door wing, especially at a vehicle Download PDF

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Publication number
EP0279237B2
EP0279237B2 EP88101143A EP88101143A EP0279237B2 EP 0279237 B2 EP0279237 B2 EP 0279237B2 EP 88101143 A EP88101143 A EP 88101143A EP 88101143 A EP88101143 A EP 88101143A EP 0279237 B2 EP0279237 B2 EP 0279237B2
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EP
European Patent Office
Prior art keywords
actuating device
rotating
rotating column
door
wing
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
EP88101143A
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German (de)
French (fr)
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EP0279237B1 (en
EP0279237A1 (en
Inventor
Jürgen Bode
Manfred Horn
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Gebrueder Bode GmbH and Co KG
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Gebrueder Bode GmbH and Co KG
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Application filed by Gebrueder Bode GmbH and Co KG filed Critical Gebrueder Bode GmbH and Co KG
Priority to AT88101143T priority Critical patent/ATE51932T1/en
Publication of EP0279237A1 publication Critical patent/EP0279237A1/en
Publication of EP0279237B1 publication Critical patent/EP0279237B1/en
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Classifications

    • 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
    • E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
    • E05F15/53—Power-operated mechanisms for wings using fluid-pressure actuators for swinging wings
    • E05F15/54—Power-operated mechanisms for wings using fluid-pressure actuators for swinging wings operated by linear actuators acting on a helical track coaxial with the swinging axis
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/26—Form or shape
    • E05Y2800/262—Form or shape column shaped
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/506—Application of doors, windows, wings or fittings thereof for vehicles for buses
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/51—Application of doors, windows, wings or fittings thereof for vehicles for railway cars or mass transit vehicles

Definitions

  • the invention relates to a rotary drive for moving a swing door leaf, which is articulated with swivel arms on a rotating column and can be swiveled with it and by axial displacement of the rotating column in the closed position into a locking position, in which locking means on the fixed door frame and on the door leaf come into engagement with one another and at which the rotary column is driven by only one pressure medium-operated linear drive, the linear movement of which is converted into a rotary movement by means of a screw gear, the rotary column being axially displaceably mounted and connected to the output shaft of the screw gear and the screw gear two pairs of rollers with coaxial coupled to the output element of the linear drive has rollers arranged with respect to one another, the one roller of a pair of rollers each running in a first groove guide which is arranged in a rotor which is non-rotatably coupled to the output shaft of the screw transmission t is while the other roller of a pair of rollers runs in a second groove guide which is arranged in a stator which is
  • the known rotary drive has the property that the swing door wing is raised after completion of the closing movement into a locking position in which it cannot be opened by force and in which no fluttering movements of the closed door leaf can occur when driving.
  • the axial displacement of the rotating column into the locking position of the pivoting door leaf is brought about by the screw gear engaged between the linear drive and the rotating column, whereby use is made of the fact that when the door leaf is inserted into the door opening, further rotation of the rotating column is not possible is, which has the consequence that the force acting in the axial direction on the screw gear leads to a lifting of the rotating column.
  • a guide device arranged between the rotating column and the drive housing of the screw mechanism ensures that an axial movement of the rotating column is not possible during the closing movement of the swing door leaf. Only at the end of the swivel movement is the further rotary movement of the rotary column locked and an axial movement released. During the subsequent lifting movement of the swing door leaf, the required forces are transmitted via the screw gear.
  • the known rotary drive has the disadvantage that the reaction torque which has to be applied to lift the door is considerable and is applied via the door seal.
  • the friction forces that occur reduce the lifting force of the drive and increase the wear on the door seals.
  • the pairs of rollers of the screw transmission are exposed to considerable loads.
  • the invention has for its object to provide a rotary drive of the type described in the preamble of claim 1 in such a way that, while maintaining a common drive device for the pivoting movement as well as for the lifting movement of the swinging door leaf, the disadvantages described are avoided, that is, pivoting movement and lifting movement are initiated one after the other and it is also not possible to lift the door leaf before the closing movement has ended, a strong load on the screw mechanism, in particular on the pair of rollers, being avoided when the lifting movement is initiated.
  • the output shaft of the screw gear is coupled to the rotor in an axially displaceable manner and the two groove guides have end sections running parallel to the axis of the output shaft and when the rotational movement of the rotary column in the closing direction of the door leaf reaches a predetermined end position, the pairs of rollers into the End sections of the slot guides run in and a direct coupling between the linear drive and the output shaft of the screw transmission is used in the axial direction in the sense of a lifting movement of the rotary column, which takes place directly via the output element of the linear drive.
  • the basic idea of the invention is, at the end of the rotary movement of the rotary column, which leads to the closing of the door leaf, to couple the rotary column, which is displaceable in the axial direction, directly to the linear drive and thereby to initiate the lifting movement.
  • Appropriate design of the screw gear can ensure that that the rotary movement of the door leaf has ended before the lifting movement is triggered, so that the two movements run completely separately from one another without the need for two independent drive devices.
  • FIG. 1 shows a swing door leaf 29 arranged, for example, on a vehicle of public transport, which is articulated with swivel arms 26 and 28 on a rotating column 25 arranged perpendicular to the vehicle floor.
  • the swing door leaf 29 can be pivoted by a rotary drive designated in FIG. 1 by reference number 1 via the rotary column 25 and at the end of the closing movement by a lifting movement of the rotary column 25 by the amount "a" in a locking position in which In Fig. 1 only indicated, on the one hand on the door leaf 29 and on the other hand on the door frame 24 arranged locking means 27, 30, for example a pin 30 and a wedge surface 27 come into engagement with one another, so that the door leaf is locked in the final closed position.
  • FIG. 2, 2a, 2b, 2c, 3 An embodiment for the rotary drive 1 is in the. Fig. 2, 2a, 2b, 2c, 3 shown in more detail.
  • FIG. 2 shows the rotary drive with the door leaf open
  • FIG. 2a shows the rotary drive with the door leaf closed before lifting it into the locking position
  • FIG. 2b shows the rotary drive in the stroke end position of the door leaf.
  • the rotary actuator housing designated as a whole by 6, has two end covers 6.1 and 6.3 on the two end faces and in the center an annular intermediate flange 6.2 and a cylindrical jacket with grooves 8.4 forming the stator, which terminates with the intermediate flange 6.2.
  • the jacket is covered with a sleeve 6.4.
  • the lower part between the end cover 6.1 and the intermediate flange 6.2 forms a hollow cylinder 9.1, which belongs to the drive cylinder 9 described below.
  • the drive cylinder 9 consists of the outer cylinder jacket 9.1 and an inner cylinder jacket 9.2, the cylinder base 6.1 and the cylinder cover 6.6.
  • an annular piston 9.3 is sealingly guided, the tubular piston rod 9.4 of which encompasses the inner cylinder jacket 9.2 and is sealingly guided out of the drive cylinder 9 on the cylinder cover 6.6.
  • a coupling member 8 is fastened to the end of the piston rod 9.4 which carries a pair of rollers 8.1-8.2 on two opposite sides.
  • the coaxially arranged rollers 8.1 and 8.2 each run in groove guides 8.3 and 8.4.
  • the groove guide 8.3 is located in a rotor 7.4, which is connected in a rotationally fixed manner to a shaft 7.3, which is guided coaxially through the rotary drive housing 6 and through the interior of the inner cylinder jacket 9.2.
  • the shaft 7.3 is led out of the drive housing 6 on both sides.
  • the upper end of the shaft 7.3 in the drawing is connected in one piece to an output shaft stub 7.2 led out of the housing, which in turn is firmly connected to the rotary column 25 'on which the upper swivel arm 26' is arranged.
  • the roller 8.2 of the coupling member 8 is guided in a second slot guide 8.4 of the stator, which is firmly connected to the end cover 6.3 and thus to the rotary drive housing 6.
  • the groove guides 8.3 and 8.4 are helical with an opposite pitch angle.
  • the lower end of the shaft 7.3 in the drawing is connected in one piece to an output shaft stub 7.1 to which the lower swivel arm 28 'for the door leaf is fastened.
  • the arrangement of the rotary drive is therefore slightly different from that shown in FIG. 1.
  • the rotor 7.4 is rotatably mounted on the intermediate flange 6.2 via a ball bearing 7.5.
  • the design of the groove guides is shown in more detail in FIG. 3.
  • the groove guide 8.4 has a first section 8.41 and a second section 8.42 with a slightly changed slope, which leads to a change in the transmission ratio.
  • the groove guides run axially parallel.
  • the shaft 7.3 is longitudinally displaceable but non-rotatably coupled to the rotor 7.4 via the hub 7.31 rigidly connected to it and a multi-spline profile 7.41 permitting the axial displacement of the shaft 7.3.
  • the lower end position of the shaft 7.3 relative to the rotor 7.4 is determined by resting a nut 7.32, which is connected to the hub 7.31, on the upper surface 7.42 of the rotor 7.4.
  • the upper end length of the shaft 7.3 is determined by a stroke end stop 9.7 in the drive cylinder 9.
  • the shaft 7.3 is lifted without loading the rollers 8.1 and 8.2.
  • a reversal of the direction of movement that is, the lowering of the shaft 7.3 and reopening of the swing door leaf by turning the shaft 7.3, is achieved by supplying pressure medium to the inlet 9.6 of the drive cylinder 9.
  • a locking device is provided so that the air supply for the drive cylinder 9 cannot drop in the closing direction and the door unlocks itself, the structure of which can be seen in FIG. 2c.
  • This locking device has a swivel lever 20 which, under the action of a compression spring 18, pushes under the nut 7.32 when the shaft 7.3 is raised and thus locks the shaft 7.3 in the end position.
  • the compression spring 18 is arranged within an unlocking cylinder 17, the piston of which is connected via a piston rod 17.1 to the pivoting lever 20 in such a way that when the unlocking cylinder is pressurized, pneumatic unlocking takes place. Unlocking by hand is also possible via a square 19 arranged on the axis of rotation of the lever 20.

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  • Power-Operated Mechanisms For Wings (AREA)
  • Lock And Its Accessories (AREA)

Abstract

A rotating drive mechanism for operating the wing of a swinging door, especially of a vehicle. The wing is articulated by pivoting arms to a rotating post, which it rotates along with. When the door is closed, the wing can be raised by axial displacement of the post into a locked position, where locking components on the stationary door frame and on the wing of the door engage each other. The post is driven by a strictly linear mechanism that is controlled by pressure medium and its linear motion is converted into a rotation by a helical transmission. Certain drawbacks are elminated by the improvement wherein the rotating post is coupled to the helical transmission in such a way that, at least while the wing of the door is closing, the post cannot rotate in relation to it but can move axially and, once the post has attained a specified limit of rotation while the wing of the door is closing, the linear drive mechanism will be additionally directly coupled axially to the rotating post in such a way as to lift it.

Description

Die Erfindung betrifft einen Drehantrieb zum Bewegen eines Schwenktürflügels, der mit Schwenkarmen an einer Drehsäule angelenkt und mit dieser schwenkbar und durch axiale Verschiebung der Drehsäule in derSchließstellung in eine Verriegelungsstellung anhebbar ist, in welcher Verriegelungsmittel am feststehenden Türrahmen und am Türflügel miteinander in Eingriff kommen und bei dem der Antrieb der Drehsäule durch nur einen druckmittelbetriebenen Linearantrieb erfolgt, dessen Linearbewegung über ein Schraubgetriebe in eine Drehbewegung umgewandelt wird, wobei die Drehsäule axial verschiebbar gelagert und mit der Abtriebswelle des Schraubgetriebes verbunden ist und das Schraubgetriebe zwei mit dem Abtriebsglied des Linearantriebs gekoppelte Rollenpaare mit koaxial zueinander angeordneten Rollen aufweist, wobei jeweils die eine Rolle eines Rollenpaares in einer ersten Nutenführung läuft, die in einem drehfest mit der Abtriebswelle des Schraubgetriebes gekoppelten Rotor angeordnet ist, während die jeweils andere Rolle eines Rollenpaares in einer zweiten Nutenführung läuft, die in einem mit dem Antriebsgehäuse des Schraubgetriebes fest verbundenen Stator angeordnet ist und die beiden Nutenführungen schraubenförmig mit entgegengesetztem Steigungswinkel ausgebildet sind.The invention relates to a rotary drive for moving a swing door leaf, which is articulated with swivel arms on a rotating column and can be swiveled with it and by axial displacement of the rotating column in the closed position into a locking position, in which locking means on the fixed door frame and on the door leaf come into engagement with one another and at which the rotary column is driven by only one pressure medium-operated linear drive, the linear movement of which is converted into a rotary movement by means of a screw gear, the rotary column being axially displaceably mounted and connected to the output shaft of the screw gear and the screw gear two pairs of rollers with coaxial coupled to the output element of the linear drive has rollers arranged with respect to one another, the one roller of a pair of rollers each running in a first groove guide which is arranged in a rotor which is non-rotatably coupled to the output shaft of the screw transmission t is while the other roller of a pair of rollers runs in a second groove guide which is arranged in a stator which is fixedly connected to the drive housing of the screw transmission and the two groove guides are of helical design with an opposite pitch angle.

Ein derartiger Drehantrieb ist bekannt und beispielsweise in EP 0 161 919 A2 beschrieben.Such a rotary drive is known and is described, for example, in EP 0 161 919 A2.

Der bekannte Drehantrieb hat die Eigenschaft, daß der Schwenktürfügel nach Abschluß der Schließbewegung in eine Verriegelungsstellung angehoben wird, in der er nicht mit Gewalt geöffnet werden kann und in der auch keine Flatterbewegungen des geschlossenen Türflügels beim Fahren auftreten können. Dabei wird die axiale Verschiebung der Drehsäule in die Verriegelungsstellung des Schwenktürflügels durch das zwischen den Linearantrieb und die Drehsäule eingeschaltete Schraubgetriebe bewirkt, wobei von der Tatsache Gebrauch gemacht wird, daß, wenn der Türflügel in die Türöffnung eingefahren ist, eine weitere Drehung der Drehsäule nicht möglich ist, was zur Folge hat, daß die in axialer Richtung auf das Schraubgetriebe wirkende Kraft zu einem Anheben der Drehsäule führt. Eine zwischen der Drehsäule und dem Antriebsgehäuse des Schraubgetriebes angeordnete Führungsvorrichtung stellt sicher, daß während der Schließbewegung des Schwenktürflügels eine axiale Bewegung der Drehsäule nicht möglich ist. Erst am Ende der Schwenkbewegung wird die weitere Drehbewegung der Drehsäule arretiert und eine axiale Bewegung freigegeben. Bei der dann folgenden Anhebebewegung des Schwenktürflügels werden die erforderlichen Kräfte über das Schraubgetriebe übertragen.The known rotary drive has the property that the swing door wing is raised after completion of the closing movement into a locking position in which it cannot be opened by force and in which no fluttering movements of the closed door leaf can occur when driving. The axial displacement of the rotating column into the locking position of the pivoting door leaf is brought about by the screw gear engaged between the linear drive and the rotating column, whereby use is made of the fact that when the door leaf is inserted into the door opening, further rotation of the rotating column is not possible is, which has the consequence that the force acting in the axial direction on the screw gear leads to a lifting of the rotating column. A guide device arranged between the rotating column and the drive housing of the screw mechanism ensures that an axial movement of the rotating column is not possible during the closing movement of the swing door leaf. Only at the end of the swivel movement is the further rotary movement of the rotary column locked and an axial movement released. During the subsequent lifting movement of the swing door leaf, the required forces are transmitted via the screw gear.

Der bekannte Drehantrieb hat den Nachteil, daß das Reaktionsdrehmoment, welches zum Anheben der Tür aufgebracht werden muß, erheblich ist und über die Türdichtung aufgebracht wird. Die dabei auftretenden Reibungskräfte mindern die Hubkraft des Antriebes und erhöhen den Verschleiß der Türdichtungen. Weiterhin werden die Rollenpaare des Schraubgetriebes erheblichen Belastungen ausgesetzt.The known rotary drive has the disadvantage that the reaction torque which has to be applied to lift the door is considerable and is applied via the door seal. The friction forces that occur reduce the lifting force of the drive and increase the wear on the door seals. Furthermore, the pairs of rollers of the screw transmission are exposed to considerable loads.

Es ist zwar möglich (DE-PS 2 062 135), die obengenannten Nachteile dadurch zu vermeiden, daß für die Schwenkbewegung und die Hubbewegung des Schwenktürflügels getrennte Antriebsaggregate verwendet werden, diese Lösung ist aber wesentl ich aufwendigerund beansprucht vor allem mehr Raum, der insbesondere in Fahrzeugen nicht immer zur Verfügung steht.Although it is possible (DE-PS 2 062 135) to avoid the above-mentioned disadvantages by using separate drive units for the pivoting movement and the lifting movement of the pivoting door leaf, this solution is considerably more complex and, above all, takes up more space, particularly in Vehicles are not always available.

Auch bei anderen bekannten Drehantrieben für Schwenktürflügel (DE-PS 2 062 135, GB 2 103 709 A) werden die Kräfte zum Anheben des Schwenktürflügels in derschließstellung überdas Schraubgetriebe aufgebracht.In other known rotary drives for swing door leaves (DE-PS 2 062 135, GB 2 103 709 A), the forces for lifting the swing door wing in the closed position are applied via the screw mechanism.

Der Erfindung liegt die Aufgabe zugrunde, einen Drehantrieb der eingangs und im Oberbegriff des Patentanspruchs 1 beschriebenen Bauart so auszubilden, daß bei Beibehaltung einer gemeinsamen Antriebsvorrichtung sowohl für die Schwenkbewegung als auch für die Hubbewegung des Schwenktürflügels die geschilderten Nachteile vermieden werden, daß also Schwenkbewegung und Hubbewegung nacheinander eingeleitet werden und auch ein Anheben des Türflügels vor Beendigung der Schließbewegung nicht möglich ist, wobei bei Einleitung der Hubbewegung eine starke Belastung des Schraubgetriebes, insbesondere des Rollenpaares, vermieden werden sollte.The invention has for its object to provide a rotary drive of the type described in the preamble of claim 1 in such a way that, while maintaining a common drive device for the pivoting movement as well as for the lifting movement of the swinging door leaf, the disadvantages described are avoided, that is, pivoting movement and lifting movement are initiated one after the other and it is also not possible to lift the door leaf before the closing movement has ended, a strong load on the screw mechanism, in particular on the pair of rollers, being avoided when the lifting movement is initiated.

Die Lösung dieser Aufgabe geschieht erfindungsgemäß dadurch, daß die Abtriebswelle des Schraubgetriebes mit dem Rotor axial verschiebbar gekoppelt ist und die beiden Nutenführungen parallel zur Achse der Abtriebswelle verlaufende Endabschnitte besitzen und beim Erreichen einer vorgegebenen Endposition der Drehbewegung der Drehsäule in Schließrichtung des Türflügels die Rollenpaare in die Endabschnitte der Nutenführungen einlaufen und eine direkte Kopplung zwischen dem Linearantrieb und der Abtriebswelle des Schraubgetriebes in axialer Richtung im Sinne einer Hubbewegung der Drehsäule einsetzt, welche unmittelbar über das Abtriebsglied des Linearantriebs erfolgt.This object is achieved according to the invention in that the output shaft of the screw gear is coupled to the rotor in an axially displaceable manner and the two groove guides have end sections running parallel to the axis of the output shaft and when the rotational movement of the rotary column in the closing direction of the door leaf reaches a predetermined end position, the pairs of rollers into the End sections of the slot guides run in and a direct coupling between the linear drive and the output shaft of the screw transmission is used in the axial direction in the sense of a lifting movement of the rotary column, which takes place directly via the output element of the linear drive.

Vorteilhafte Ausführungsformen des erfindungsgemäßen Drehantriebs sind in den Unteransprüchen beschrieben.Advantageous embodiments of the rotary drive according to the invention are described in the subclaims.

Der Grundgedanke der Erfindung besteht darin, am Ende der Drehbewegung der Drehsäule, die zum Schließen des Türflügels führt, die in axialer Richtung verschiebbare Drehsäule direkt mit dem Linearantrieb zu koppeln und dadurch die Hubbewegung einzuleiten. Dabei kann durch entsprechende Ausgestaltung des Schraubengetriebes dafür gesorgt werden, daß die Drehbewegung des Türflügels vor dem Auslösen der Hubbewegung beendet ist, so daß die beiden Bewegungen voneinander vollständig getrennt nacheinander ablaufen, ohne daß hierzu zwei selbständige Antriebsvorrichtungen notwendig wären.The basic idea of the invention is, at the end of the rotary movement of the rotary column, which leads to the closing of the door leaf, to couple the rotary column, which is displaceable in the axial direction, directly to the linear drive and thereby to initiate the lifting movement. Appropriate design of the screw gear can ensure that that the rotary movement of the door leaf has ended before the lifting movement is triggered, so that the two movements run completely separately from one another without the need for two independent drive devices.

Im folgenden wird anhand der beigefügten Zeichnungen ein Ausführungsbeispiel für einen Drehantrieb nach der Erfindung näher erläutert.An exemplary embodiment of a rotary drive according to the invention is explained in more detail below with reference to the accompanying drawings.

In den Zeichnungen zeigen:

  • Fig. 1 in einer Ansicht vom Inneren eines Fahrzeugs aus einen Schwenktürflügel mit Drehantrieb:
  • Fig. 2 in einer gegenüber Fig. 1 vergrößerten, in axialer Richtung teilweise geschnittenen Darstellung einen Drehantrieb für den Schwenktürflügel nach Fig. 1;
  • Fig. 2a und 2b in einerTeil-Darstellung analog Fig 2 den Drehantrieb in unterschiedlichen Positionen während der Schließbewegung;
  • Fig. 2c in einem Schnitt nach der Linie llc-Ilc in Fig. 2b eine Verriegelungsvorrichtung zur Verriegelung der Drehsäule in der Hubendlage;
  • Fig. 3 in vergrößerter Darstellung die Form der Nutenführung beim Drehantrieb nach den Fig. 2 bis 2b.
The drawings show:
  • 1 in a view from the inside of a vehicle from a swing door wing with rotary drive:
  • FIG. 2 shows a rotary drive for the swinging door leaf according to FIG. 1 in an enlarged illustration, partially in the axial direction, compared to FIG. 1;
  • 2a and 2b in a partial representation analogous to FIG. 2, the rotary drive in different positions during the closing movement;
  • Fig. 2c in a section along the line IIc-Ilc in Figure 2b, a locking device for locking the rotating column in the stroke end position.
  • Fig. 3 in an enlarged view the shape of the groove guide in the rotary drive according to FIGS. 2 to 2b.

Fig. 1 zeigt einen beispielsweise an einem Fahrzeug eines öffentlichen Verkehrsmittels angeordneten Schwenktürflügel 29, der mit Schwenkarmen 26 und 28 an einer senkrecht zum Fahrzeugboden angeordneten Drehsäule 25 angelenkt ist. Wie weiter unten ausführlicher dargestellt, ist der Schwenktürflügel 29 durch einen in Fig. 1 mit Bezugsziffer 1 bezeichneten Drehantrieb über die Drehsäule 25 verschwenkbar und am Ende der Schließbewegung durch eine Hubbewegung der Drehsäule 25 um den Betrag "a" in eine Verriegelungsstellung anhebbar, in der in Fig. 1 nur angedeutete, einerseits am Türflügel 29 und andererseits am Türrahmen 24 angeordnete Verriegelungsmittel 27, 30, beispielsweise ein Zapfen 30 und eine Keilfläche 27 miteinander in Eingriff kommen, so daß der Türflügel in der endgültigen Schließstellung verriegelt ist.1 shows a swing door leaf 29 arranged, for example, on a vehicle of public transport, which is articulated with swivel arms 26 and 28 on a rotating column 25 arranged perpendicular to the vehicle floor. As shown in more detail below, the swing door leaf 29 can be pivoted by a rotary drive designated in FIG. 1 by reference number 1 via the rotary column 25 and at the end of the closing movement by a lifting movement of the rotary column 25 by the amount "a" in a locking position in which In Fig. 1 only indicated, on the one hand on the door leaf 29 and on the other hand on the door frame 24 arranged locking means 27, 30, for example a pin 30 and a wedge surface 27 come into engagement with one another, so that the door leaf is locked in the final closed position.

Eine Ausführungsform für den Drehantrieb 1 ist in den. Fig. 2, 2a, 2b, 2c, 3 näher dargestellt.An embodiment for the rotary drive 1 is in the. Fig. 2, 2a, 2b, 2c, 3 shown in more detail.

Dabei zeigt Fig. 2 den Drehantrieb bei geöffnetem Türflügel, Fig. 2a den Drehantrieb bei geschlossenem Türflügel vor dem Anheben in die Verriegelungsstellung und Fig.2b den Drehantrieb in der Hubendlage des Türflügels.2 shows the rotary drive with the door leaf open, FIG. 2a shows the rotary drive with the door leaf closed before lifting it into the locking position, and FIG. 2b shows the rotary drive in the stroke end position of the door leaf.

Das insgesamt mit 6 bezeichnete Drehantriebsgehäuse besitzt an den beiden Stirnseiten zwei Stirndeckel 6.1 und 6.3 und in der Mitte einen ringförmigen Zwischenflansch 6.2 sowie einen zylindrischen Mantel mit Nuten 8.4 den Stator bildend, der mit dem Zwischenflansch 6.2 abschließt. Der Mantel ist mit einer Hülse 6.4 abgedeckt. Der untere Teil zwischen dem Stirndeckel 6.1 und dem Zwischenflansch 6.2 bildet einen Hohlzylinder 9.1, der zu dem weiter unten beschriebenen Antriebszylinder 9 gehört. Der Antriebszylinder 9 besteht aus dem äußeren Zylindermantel 9.1 und einem inneren Zylindermantel 9.2, dem Zylinderboden 6.1 und dem Zylinderdeckel 6.6. Im Raum zwischen den beiden Zylindermänteln 9.1 und 9.2 ist ein Ringkolben 9.3 dichtend geführt, dessen rohrförmige Kolbenstange 9.4 den inneren Zylindermantel 9.2 umfaßt und aus dem Antriebszylinder 9 am Zylinderdeckel 6.6 dichtend herausgeführt ist. An dem herausgeführten Ende der Kolbenstange 9.4 ist ein Koppelglied 8 befestigt, das an zwei gegenüberliegenden Seiten jeweils ein Rollenpaar 8.1-8.2 trägt. Die koaxial zueinander angeordneten Rollen 8.1 und 8.2 laufen jeweils in Nutenführungen 8.3 und 8.4. Die Nutenführung 8.3 befindet sich in einem Rotor 7.4, der drehfest mit einer Welle 7.3 verbunden ist, welche koaxial durch das Drehantriebsgehäuse 6 und durch den Innenraum des inneren Zylindermantels 9.2 geführt ist. Die Welle 7.3 ist an beiden Seiten aus dem Antriebsgehäuse 6 herausgeführt. Das in der Zeichnung obere Ende der Welle 7.3 ist einstückig mit einem aus dem Gehäuse herausgeführten Abtriebswellenstummel 7.2 verbunden, der seinerseits fest mit der Drehsäule 25' verbunden ist, an der der obere Schwenkarm 26' angeordnet ist. Die Rolle 8.2 des Koppelgliedes 8 ist in einer zweiten Nutenführung 8.4 des Stators geführt, die fest mit dem Stirndeckel 6.3 und damit dem Drehantriebsgehäuse 6 verbunden ist. Die Nutenführungen 8.3 und 8.4 sind schraubenförmig mit entgegengesetztem Steigungswinkel ausgebildet.The rotary actuator housing, designated as a whole by 6, has two end covers 6.1 and 6.3 on the two end faces and in the center an annular intermediate flange 6.2 and a cylindrical jacket with grooves 8.4 forming the stator, which terminates with the intermediate flange 6.2. The jacket is covered with a sleeve 6.4. The lower part between the end cover 6.1 and the intermediate flange 6.2 forms a hollow cylinder 9.1, which belongs to the drive cylinder 9 described below. The drive cylinder 9 consists of the outer cylinder jacket 9.1 and an inner cylinder jacket 9.2, the cylinder base 6.1 and the cylinder cover 6.6. In the space between the two cylinder jackets 9.1 and 9.2, an annular piston 9.3 is sealingly guided, the tubular piston rod 9.4 of which encompasses the inner cylinder jacket 9.2 and is sealingly guided out of the drive cylinder 9 on the cylinder cover 6.6. A coupling member 8 is fastened to the end of the piston rod 9.4 which carries a pair of rollers 8.1-8.2 on two opposite sides. The coaxially arranged rollers 8.1 and 8.2 each run in groove guides 8.3 and 8.4. The groove guide 8.3 is located in a rotor 7.4, which is connected in a rotationally fixed manner to a shaft 7.3, which is guided coaxially through the rotary drive housing 6 and through the interior of the inner cylinder jacket 9.2. The shaft 7.3 is led out of the drive housing 6 on both sides. The upper end of the shaft 7.3 in the drawing is connected in one piece to an output shaft stub 7.2 led out of the housing, which in turn is firmly connected to the rotary column 25 'on which the upper swivel arm 26' is arranged. The roller 8.2 of the coupling member 8 is guided in a second slot guide 8.4 of the stator, which is firmly connected to the end cover 6.3 and thus to the rotary drive housing 6. The groove guides 8.3 and 8.4 are helical with an opposite pitch angle.

Das in der Zeichnung untere Ende der Welle 7.3 ist einstückig mit einem Abtriebswellenstummel 7.1 verbunden, an dem der untere Schwenkarm 28' für den Türflügel befestigt ist. Die Anordnung des Drehantriebs ist also geringfügig anders als in Fig. 1 dargestellt.The lower end of the shaft 7.3 in the drawing is connected in one piece to an output shaft stub 7.1 to which the lower swivel arm 28 'for the door leaf is fastened. The arrangement of the rotary drive is therefore slightly different from that shown in FIG. 1.

Der Rotor 7.4 ist über ein Kugeilager 7.5 am Zwischenflansch 6.2 drehbar gelagert. Die Ausgestaltung der Nutenführungen ist in Fig. 3 näher dargestellt. Die Nutenführung 8.4 weist einen ersten Abschnitt 8.41 auf und einen zweiten Abschnitt 8.42 mit geringfügig veränderter Steigung, die zu einer Änderung des Übersetzungsverhältnisses führt. In einem jeweils letzten Abschnitt 8.43 bzw. 8.33 verlaufen die Nutenführungen achsparallel.The rotor 7.4 is rotatably mounted on the intermediate flange 6.2 via a ball bearing 7.5. The design of the groove guides is shown in more detail in FIG. 3. The groove guide 8.4 has a first section 8.41 and a second section 8.42 with a slightly changed slope, which leads to a change in the transmission ratio. In a last section 8.43 or 8.33 respectively, the groove guides run axially parallel.

Die Welle 7.3 ist über die starr mit ihr verbundene Nabe 7.31 und ein die axiale Verschiebung der Welle 7.3 gestattendes Vielkeilprofil 7.41 längsverschieblich, aber drehfest mit dein Rotor 7.4 gekoppelt. Die untere Endlage der Welle 7.3 gegenüber dem Rotor 7.4 wird durch Aufliegen einer Mutter 7.32, die mit der Nabe 7.31 verbunden ist, auf der oberen Fläche 7.42 des Rotors 7.4 bestimmt. Die obere Endlange der Welle 7.3 wird durch einen Hubendanschlag 9.7 im Antriebszylinder 9 bestimmt.The shaft 7.3 is longitudinally displaceable but non-rotatably coupled to the rotor 7.4 via the hub 7.31 rigidly connected to it and a multi-spline profile 7.41 permitting the axial displacement of the shaft 7.3. The lower end position of the shaft 7.3 relative to the rotor 7.4 is determined by resting a nut 7.32, which is connected to the hub 7.31, on the upper surface 7.42 of the rotor 7.4. The upper end length of the shaft 7.3 is determined by a stroke end stop 9.7 in the drive cylinder 9.

Bei einer Zuführung von Druckmittel über den Einlaß 9.5 zum Antriebszylinder 9 bewegt sich der Kolben 9.3 im Raum zwischen den beiden Zylindermänteln 9.1 und 9.2 aufwärts, wodurch über das Koppelglied 8 die beiden Rollen 8.1 und 8.2 in axialer Richtung mitgeführt werden. Die Bewegung der Rollen 8.1 und 8.2 in den Nutenführungen 8.3 und 8.4 ergibt infolge der gegensinnigen Steigung dieser Nuten eine Verdrehung des Rotors 7.4 gegenüber dem Stator bzw. dem Drehantriebsgehäuse 6. Die Welle 7.3 und mit ihm die Abtriebswellenstummel 7.2 und 7.1 werden dadurch verdreht.When pressure medium is supplied via the inlet 9.5 to the drive cylinder 9, the Piston 9.3 in the space between the two cylinder jackets 9.1 and 9.2 upwards, whereby the two rollers 8.1 and 8.2 are carried along in the axial direction via the coupling member 8. The movement of the rollers 8.1 and 8.2 in the groove guides 8.3 and 8.4 results in a rotation of the rotor 7.4 with respect to the stator or the rotary drive housing 6 due to the opposite slope of these grooves. The shaft 7.3 and with it the output shaft stubs 7.2 and 7.1 are thereby rotated.

Wenn bei der Aufwärtsbewegung des Koppelgliedes 8 die Rollen 8.1 und 8.2 in die letzten achsparallelen Abschnitte der Nutenführungen 8.3 und 8.4 einlaufen, ist die weitere Verdrehung der Welle 7.3 blockiert.If, during the upward movement of the coupling member 8, the rollers 8.1 and 8.2 enter the last axially parallel sections of the groove guides 8.3 and 8.4, the further rotation of the shaft 7.3 is blocked.

In dieser in Fig. 2a dargestellten Stellung legt sich eine mit der Kolbenstange 9.4 verbundene Hülse 10 an die Unterseite der Nabe 7.31 an und bei der weiteren Bewegung des Kolbens 9.3 wird die Welle 7.3 und damit die Drehsäule 25' in die Hubendlage, wie sie in Fig. 2b dargestellt ist, angehoben und damit der Türflügel verriegelt.In this position shown in Fig. 2a, a sleeve 10 connected to the piston rod 9.4 rests against the underside of the hub 7.31 and with the further movement of the piston 9.3, the shaft 7.3 and thus the rotating column 25 'into the stroke end position, as shown in FIG Fig. 2b is shown, raised and thus the door leaf locked.

Das Anheben der Welle 7.3 erfolgt dabei ohne Belastung der Rollen 8.1 und 8.2.The shaft 7.3 is lifted without loading the rollers 8.1 and 8.2.

Eine Umkehrung der Bewegungsrichtung, also das Absenken der Welle 7.3 und Wiederöffnen des Schwenktürflügels durch Verdrehung der Welle 7.3, wird durch Zuführung von Druckmittel zum Einlaß 9.6 des Antriebszylinders 9 erreicht.A reversal of the direction of movement, that is, the lowering of the shaft 7.3 and reopening of the swing door leaf by turning the shaft 7.3, is achieved by supplying pressure medium to the inlet 9.6 of the drive cylinder 9.

Damit beim Ausfall der Luftversorgung für den Antriebszylinder 9 in Schließrichtung der Türflügel nicht absinken kann und sich damit selbst entriegelt, ist eine Verriegelungsvorrichtung vorgesehen, deren Aufbau Fig. 2c zu entnehmen ist. Diese Verriegelungsvorrichtung weist einen Schwenkhebel 20 auf, der sich unter Wirkung einer Druckfeder 18 bei angehobener Welle 7.3 unter die Mutter 7.32 schiebt und damit die Welle 7.3 in der Endlage verriegelt. Die Druckfeder 18 ist innerhalb eines Entriegelungszylinders17 angeordnet, dessen Kolben über eine Kolbenstange 17.1 mit dem Schwenkhebel 20 derart verbunden ist, daß beim Beaufschlagen des Entriegelungszylinders mit Druckmittel eine pneumatische Entriegelung stattfindet. Über einen an der Drehachse des Hebels 20 angeordneten Vierkant 19 ist auch eine Entriegelung von Hand möglich.A locking device is provided so that the air supply for the drive cylinder 9 cannot drop in the closing direction and the door unlocks itself, the structure of which can be seen in FIG. 2c. This locking device has a swivel lever 20 which, under the action of a compression spring 18, pushes under the nut 7.32 when the shaft 7.3 is raised and thus locks the shaft 7.3 in the end position. The compression spring 18 is arranged within an unlocking cylinder 17, the piston of which is connected via a piston rod 17.1 to the pivoting lever 20 in such a way that when the unlocking cylinder is pressurized, pneumatic unlocking takes place. Unlocking by hand is also possible via a square 19 arranged on the axis of rotation of the lever 20.

Claims (8)

1. Rotating actuating device for moving a pivoting-door wing, said pivoting-door wing being swivel- mounted by pivoting arms (26, 28) on a rotating column (25, 25') and being swivellable with said rotating column and being liftable, by axial displacement of the rotating column, in the closed position into a locked position, in which locked position locking means (27, 30) on the fixed door frame (24) and on the door wing (29) come into engagement with one another, in which device the actuation of the rotating column is accomplished by only one pressure-medium-operated linear actuating device (9), the linear motion of which is converted by a helical gear unit (6-7-8) into a rotary motion, the rotating column (25, 25') being mounted axially displaceably and being connected to the output shaft (7.3) of the helical gear unit and the helical gear unit (6-7-8) having two pairs of rollers (8.1, 8.2) which are coupled to the output element (9.4) of the linear actuating device (9) and have rollers which are arranged coaxially with one another, in each case one roller (8.1) of a pair of rollers running in a first groove (8.3) arranged in a rotor (7.4) coupled non-rotatably to the output shaft (7.3) of the helical gear unit, while the respective other roller (8.2) of a pair of rollers runs in a second groove (8.4) arranged in a stator firmly connected to the actuation housing (6) of the helical gear unit and the two grooves (8.3, 8.4) being of helical design with opposing helix angle, characterised in that the output shaft (7.3) of the helical gear unit is coupled axially displaceably to the rotor (7.4) and the two grooves (8.3, 8.4) have end sections (8.33, 8.43) running parallel to the axis of the output shaft (7.3) and, when a predetermined end position is reached of the rotary motion of the rotating column in the closing direction of the door wing (29), the pairs of rollers (8.1, 8.2) run into the end sections (8.33, 8.43) of the grooves and a direct coupling is initiated between the linear actuating device (9) and the output shaft (7.3) of the helical gear unit in the axial direction with the effect of lifting the rotating column (25, 25'), which coupling is accomplished directly by the output element (9.4 - 10) of the linear actuating device (9).
2. Rotating actuating device according to claim 1 characterized in that, after the predetermined end position of the rotary motion has been reached, with the door wing (29) in the closed position, the further rotation of the door wing is determined exclusively by the locking means (27, 30).
3. Rotating actuating device according to claim 1 or 2, characterized in that the rotating column (25, 25') is non-positively coupled to the linear actuating device, (4, 9) during the lowering motion.
4. Rotating actuating device according to any one of claims 1 to 3, characterized by a locking device (20) for the automatic locking of the rotating column (25, 25') in the end lifting position.
5. Rotating actuating device according to claim 4, characterized in that the locking device (20) is pneumatically or hydraulically unlockable.
6. Rotating actuating device according to claim 4 or 5, characterized in that the locking device (20) is manually unlockable.
7. Rotating actuating device according to any one of claims 1 to 6, characterized in that the guide (5.2, 8.3, 8.4) between stator and rotor is of such design that the rotary motion is concluded before the start of the lifting motion.
8. Rotating actuating device according to any one of claims 4 to 7, characterized in that the locking device comprises a locking bar (20), said locking bar being swivellable in the radial direction with respect to the rotating column (25, 25') and, in the end lifting position, under spring force, engaging underneath a stop (7.32) connected to the rotating column (25,25') and being coupled to the piston rod (17.1) of an unlocking cylinder (17).
EP88101143A 1987-02-20 1988-01-27 Rotating actuating device for moving a pivoting door wing, especially at a vehicle Expired - Lifetime EP0279237B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88101143T ATE51932T1 (en) 1987-02-20 1988-01-27 ROTARY DRIVE TO MOVE A SWINGING DOOR, ESPECIALLY ON VEHICLES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873705369 DE3705369A1 (en) 1987-02-20 1987-02-20 ROTARY DRIVE FOR MOVING A SWIVEL DOOR, ESPECIALLY ON VEHICLES
DE3705369 1987-02-20

Publications (3)

Publication Number Publication Date
EP0279237A1 EP0279237A1 (en) 1988-08-24
EP0279237B1 EP0279237B1 (en) 1990-04-11
EP0279237B2 true EP0279237B2 (en) 1993-07-28

Family

ID=6321370

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88101143A Expired - Lifetime EP0279237B2 (en) 1987-02-20 1988-01-27 Rotating actuating device for moving a pivoting door wing, especially at a vehicle

Country Status (5)

Country Link
US (1) US4833827A (en)
EP (1) EP0279237B2 (en)
AT (1) ATE51932T1 (en)
DE (2) DE3705369A1 (en)
ES (1) ES2014500T5 (en)

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DE10052228B4 (en) * 2000-10-21 2004-02-19 Daimlerchrysler Ag Device for locking a swing door leaf
DE102010002625A1 (en) * 2010-03-05 2011-11-17 Reinhold Schulte Hydraulic positioning device for use in hydraulic actuator for swingable door casement of e.g. bus, has hydraulic pump that changes actuation of piston cylinder units to move door in opening, closing and stroke directions, respectively

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US6744502B2 (en) * 2001-09-28 2004-06-01 Pe Corporation (Ny) Shaped illumination geometry and intensity using a diffractive optical element
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DE10052228B4 (en) * 2000-10-21 2004-02-19 Daimlerchrysler Ag Device for locking a swing door leaf
DE102010002625A1 (en) * 2010-03-05 2011-11-17 Reinhold Schulte Hydraulic positioning device for use in hydraulic actuator for swingable door casement of e.g. bus, has hydraulic pump that changes actuation of piston cylinder units to move door in opening, closing and stroke directions, respectively
DE102010002625B4 (en) * 2010-03-05 2013-07-18 Reinhold Schulte Hydraulic actuating device for a door leaf of a bus

Also Published As

Publication number Publication date
DE3860083D1 (en) 1990-05-17
US4833827A (en) 1989-05-30
ES2014500T5 (en) 1995-08-01
EP0279237B1 (en) 1990-04-11
ES2014500B3 (en) 1990-07-16
ATE51932T1 (en) 1990-04-15
DE3705369A1 (en) 1988-09-01
EP0279237A1 (en) 1988-08-24

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