EP0335860B1 - Emergency operation device for a non self-locking electrically driven vehicle door - Google Patents

Emergency operation device for a non self-locking electrically driven vehicle door Download PDF

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Publication number
EP0335860B1
EP0335860B1 EP89890087A EP89890087A EP0335860B1 EP 0335860 B1 EP0335860 B1 EP 0335860B1 EP 89890087 A EP89890087 A EP 89890087A EP 89890087 A EP89890087 A EP 89890087A EP 0335860 B1 EP0335860 B1 EP 0335860B1
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EP
European Patent Office
Prior art keywords
door
drive
self
locking
motor
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EP89890087A
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German (de)
French (fr)
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EP0335860A1 (en
Inventor
Martin Ing. Fink
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IFE Industrie-Einrichtungen Fertigungs-Aktiengesellschaft
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IFE Industrie-Einrichtungen Fertigungs-Aktiengesellschaft
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D19/00—Door arrangements specially adapted for rail vehicles
    • B61D19/02—Door arrangements specially adapted for rail vehicles for carriages
    • B61D19/026—Safety devices for preventing passengers from being injured by movements of doors or variations in air pressure
    • 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
    • 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
    • E05Y2900/50—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 an emergency actuation device according to the preamble of claim 1 for a vehicle door operated by means of a non-self-locking electric drive, the connection from the door drive to the door transmission being designed to be self-locking at least in the closing end region of the door.
  • door drive means the motor and the reduction gear cooperating with it and other components up to the component on the motor side that is involved in the self-locking, the component that overcomes the self-locking during motor operation still being counted as a door drive.
  • the door gear includes all of the components located on the door side up to the attachment to the door.
  • Such a door is known from European Patent Application No. 84101874.0 by Kiekert GMBH & CO KG, published under No. 0118081.
  • the self-locking takes place by overcoming a dead center of a curved rod of the door gear.
  • To facilitate the emergency operation it is proposed to bring the motor and the gear out of engagement with the rest of the door drive and the door gear and then to bring this component group manually out of the self-locking area by means of a Bowden cable. To do this, however, a considerable amount of force must be exerted, which depends on the pre-tensioning of the door system and on the size of the breakdown position of the dead center lock.
  • a door of the type mentioned with an electric linear drive is described in the not yet published European patent application No. 87890113.1 by the applicant. It is provided in the case of emergency actuation that the door drive, including the self-locking part of the door gear, is disengaged from the rest Bring part of the door gear, which makes the door easy and easy to open.
  • the door drives are installed vertically according to the AT-PS and the door drive and the door gear does not provide any appreciable resistance to a door movement if the pressure drops as soon as the area of self-locking is left.
  • the drive is installed horizontally and the electric linear motor - usually a ball screw drive - has a poor mechanical efficiency over its entire path of movement, which makes it impossible to disengage the door from the self-locking area by hand.
  • a slide acting on the door drive in the opening direction in the area of the closed end position of the door gear, the displacement path of which is greater than the self-locking area of the door drive-door gear connection, that the slide is held by a holding device in a position corresponding to the closed end position of the door, and that the holding device can be released by hand.
  • This measure makes it possible to use a spring, an air cushion or the like to slide the slide. to be acted upon with such a force that it is possible to reliably leave the self-locking area.
  • This disengagement force is only limited by the closing force of the electric linear drive, since after an emergency operation of the door when the door is automatically closed for the first time, the slide is carried by the door drive in the closing direction until the end position is reached against the disengagement force, whereupon the slide is again held by the holding device recorded and held in this position.
  • the closing force of the door drive must therefore be greater than the disengaging force, at least in the closing end region, the friction and inertia forces that have to be taken into account.
  • the displacement path must be sufficiently large to ensure that it leaves the self-locking section of the door movement. How long this path actually is depends on where the slide engages the door operator and whether there is a translation between the point of application and the area of self-locking.
  • the displacement path can of course also be an angle of rotation or can be specified as such if the slide engages a rotating part or itself executes a rotary movement.
  • FIG. 1 shows a device according to the invention
  • FIG. 2 shows a holding device according to the invention.
  • An electric motor 1 drives a linear drive 2 with poor mechanical efficiency. This moves a piston rod 3 back and forth, a roller 4 rotatably arranged on this piston rod sliding in a link 5.
  • the link 5 is arranged rotatably about an axis 6 and actuates one or more doors when the piston rod 3 is displaced via a mechanism (not shown).
  • the setting 5 is designed so that it runs at least approximately parallel to the axis of the piston rod 3 with the section in which the roller 4 is located at this time when the door is closed.
  • a pressure plate 11 is provided on the piston rod 3, against which a slide 12 can press in the opening direction of the piston rod 3.
  • This slide is under the action of an energy accumulator, which is loaded by the drive 1, 2 when the door is closed.
  • the slide 12 is held in place by a holding device 13, so that after the door has been closed, when the drive 1, 2, as is customary in the case of electrically operated doors, is switched off and thus becomes weak, the door 5 is locked by the self-locking of the link 5 remains closed.
  • the door In the event of a power failure, the door must be able to be operated by the user in spite of the self-locking of the setting, without the power of the drive 1, 2 being available.
  • he operates a Bowden cable 14, whereby the holding device releases the slide 12 and, under the action of the energy accumulator, it is pressed against the pressure plate 11 of the piston rod 3, which subsequently moves it in the opening direction, as a result of which the roller 4 moves out of the self-locking area of the link 5 reached.
  • actuation of the switch 21 no longer causes the lifting of the motor short-circuit (infinite resistance), but increasing the motor resistance by a finite value, which means that the door can be opened more easily than with a short-circuited motor, but more difficult than with an open motor short-circuit.
  • the emergency operation can be ended in various ways, for example by resetting the Bowden cable, in which case the drive is supplied with current again by a switch (not shown) connected to the handle of the Bowden cable and a closing movement of the door is initiated.
  • a closing movement of the door is initiated.
  • the working memory 15 is “loaded” and the holding device 13 fixes the slide 2. The door is thus again in the normal operating state.
  • the invention is not limited to the illustrated embodiment, but can be modified in accordance with claim 1.
  • the backdrop can have a different shape and the section of the door movement in which self-locking occurs can be larger or smaller than in the selected example. However, it is important that the disengagement path of the slide 12 ensures that the self-locking area is left safely.
  • the holding device can be designed differently, and in order to ensure reliable detection of the slide, the stopping point can be arranged at a short distance from the closed end position of the door that is reached by motor. When choosing this distance, care should be taken to ensure that when the door drive is properly switched off after the door is closed, it is lifted by the slide until the stop point is reached. This point, which thus represents the final closed position, must meet all safety and sealing conditions. Furthermore, the surfaces interacting between the slide 12 and the holding device 13 can be arranged or coated accordingly to enable easy release and snapping of the holding device, which can be significant with large forces stored by the spring 15.
  • the Bowden cable 14 can be designed by means of a spring so that it returns to its starting position when its handle is released. As a result, an automatic return to normal operation without special switching is possible after the fault has disappeared.
  • the invention can also be applied to door drives according to EP-A2 0118081 if a corresponding torque is exerted by the energy accumulator on the disk carrying the two bent levers.

Description

Die Erfindung betrifft eine Notbetätigungsvorrichtung gemäß dem Oberbegriff des Anspruchs 1 für eine mittels eines nicht selbsthemmenden elektrischen Antriebes betätigte Fahrzeugtüre, wobei die Verbindung vom Türantrieb zum Türgetriebe zumindest im Schließendbereich der Türe selbsthemmend ausgeführt ist.The invention relates to an emergency actuation device according to the preamble of claim 1 for a vehicle door operated by means of a non-self-locking electric drive, the connection from the door drive to the door transmission being designed to be self-locking at least in the closing end region of the door.

In der Beschreibung wird unter Türantrieb der Motor und das mit ihm zusammenwirkende Untersetzungsgetriebe und weitere Bauteile bis zu dem motorseitigen, an der Selbsthemmung beteiligten Bauteil verstanden, wobei das Bauteil, das bei motorischem Betrieb die Selbsthemmung überwindet, noch zum Türantrieb gezählt wird. Das Türgetriebe umfaßt alle türseitig davon gelegenen Bauteile bis zur Befestigung an der Tür.In the description, door drive means the motor and the reduction gear cooperating with it and other components up to the component on the motor side that is involved in the self-locking, the component that overcomes the self-locking during motor operation still being counted as a door drive. The door gear includes all of the components located on the door side up to the attachment to the door.

Eine solche Türe ist aus der europäischen Patentanmeldung Nr. 84101874.0 der Kiekert GMBH & CO KG, veröffentlicht unter der Nr. 0118081, bekannt. Dabei erfolgt die Selbsthemmung durch Überwinden eines Totpunktes einer gekrümmten Stange des Türgetriebes. Zur Erleichterung der Notbetätigung wird vorgeschlagen, den Motor samt Getriebe ausser Eingriff mit dem restlichen Türantrieb und dem Türgetriebe zu bringen und anschließend diese Bauteilgruppe händisch mittels eines Bowdenzuges aus dem selbsthemmenden Bereich zu bringen. Dazu muß jedoch ein erheblicher Kraftaufwand geleistet werden, der von der eingestellten Vorspannung des Türsystems und von der Größe der Durchschlagslage der Totpunktverriegelung abhängt.Such a door is known from European Patent Application No. 84101874.0 by Kiekert GMBH & CO KG, published under No. 0118081. The self-locking takes place by overcoming a dead center of a curved rod of the door gear. To facilitate the emergency operation, it is proposed to bring the motor and the gear out of engagement with the rest of the door drive and the door gear and then to bring this component group manually out of the self-locking area by means of a Bowden cable. To do this, however, a considerable amount of force must be exerted, which depends on the pre-tensioning of the door system and on the size of the breakdown position of the dead center lock.

Eine Türe der Eingangs erwähnten Art mit elektrischem Linearantrieb ist in der noch nicht veröffentlichten europäischen Patentanmeldung Nr. 87890113.1 der Anmelderin beschrieben. Dabei ist im Falle der Notbetätigung vorgesehen, den Türantrieb samt dem selbsthemmenden Teil des Türgetriebes ausser Eingriff mit dem restlichen Teil des Türgetriebes zu bringen, wodurch die Türe leicht und problemlos zu öffnen ist.A door of the type mentioned with an electric linear drive is described in the not yet published European patent application No. 87890113.1 by the applicant. It is provided in the case of emergency actuation that the door drive, including the self-locking part of the door gear, is disengaged from the rest Bring part of the door gear, which makes the door easy and easy to open.

Es ist weiters aus der AT-PS 378030 der Anmelderin ein pneumatischer oder hydraulischer Antrieb zum Öffnen und Schließen von Türen bekannt, der ebenfalls im Bereich der Schließendlage selbsthemmend ist. Bei dieser Druckschrift ist im Bereich der Selbsthemmung ein Schieber angeordnet, dessen Verschiebungsweg größer ist als der selbsthemmende Bereich des Türantriebes. Es ist weiters vorgesehen, den Schieber vorübergehend mit einer in Öffnungsbewegung des Antriebes gerichteten Kraft zu beaufschlagen. Dieser Schieber wird entweder über einen Kraftspeicher (Feder) bei jeder normalen, also vom Antrieb her erfolgenden Türöffnung bewegt oder in einer Variante nur bei Ausfall des Türantriebes (Druckausfall) von Hand über eine Stange betätigt.It is also known from the applicant's AT-PS 378030 a pneumatic or hydraulic drive for opening and closing doors, which is also self-locking in the area of the closing end position. In this publication, a slide is arranged in the area of self-locking, the displacement of which is greater than the self-locking area of the door drive. Provision is also made to temporarily apply a force directed in the opening movement of the drive to the slide. This slide is either moved via a force accumulator (spring) with every normal door opening, i.e. from the drive, or in one variant only operated manually via a rod if the door drive fails (pressure loss).

Bei der ersten Ausführungsform wird auf eine Besonderheit der hydraulischen bzw. pneumatischen Antriebe Bedacht genommen, die nach Erreichen der Schließendlage der Türe mit Druck beaufschlagt bleiben. Bei Druckausfall erfolgt somit das Verlassen des selbsthemmenden Bereiches automatisch mit dem Auftreten der Störung. Da bei elektrischen Türantrieben nach dem Schließen der Tür der Motor abgeschaltet und somit der Türantrieb kraftlos wird, ist diese Notbetätigung bei elektrischen Antrieben unbrauchbar.In the first embodiment, attention is paid to a special feature of the hydraulic or pneumatic drives, which remain pressurized after the door has reached the closed end position. In the event of pressure loss, the self-locking area is left automatically when the fault occurs. Since in electric door drives the motor is switched off after the door is closed and the door drive becomes powerless, this emergency actuation is unusable for electric drives.

Bei der zweiten Variante treten ähnliche Probleme wie bei der EP-A2 0118081 auf: Der selbsthemmende Bereich muß von Hand überwunden werden, wobei hier jedoch die Krafteinleitung günstiger erfolgt als bei der genannten Druckschrift. Diese Variante ist bei Türantrieben der Eingangs erwähnten Art mit elektrischem Linearmotor jedoch ebenfalls nicht anwendbar, da dabei zu große Kräfte zu überwinden wären.In the second variant, problems similar to those in EP-A2 0118081 occur: the self-locking area must be overcome by hand, but here the force is applied more cheaply than in the cited document. However, this variant is also not applicable to door drives of the type mentioned with an electric linear motor, since excessive forces would have to be overcome.

Es ist dabei zu bedenken, daß die Türantriebe gemäß der AT-PS vertikal eingebaut werden und der Türantrieb und das Türgetriebe bei Druckabfall einer Türbewegung keinen nennenswerten Widerstand entgegensetzt, sobald der Bereich der Selbsthemmung verlassen ist. Im Gegensatz dazu ist der Antrieb gemäß der unveröffentlichten Europäischen Anmeldung waagrecht eingebaut und der elektrische Linearmotor ― meist ein Kugel-Schneckenantrieb ― weist über seine gesamte Bewegungsbahn einen schlechten mechanischen Wirkungsgrad auf, der ein Ausrücken der Türe aus dem selbsthemmenden Bereich mit der Hand unmöglich macht.It should be borne in mind that the door drives are installed vertically according to the AT-PS and the door drive and the door gear does not provide any appreciable resistance to a door movement if the pressure drops as soon as the area of self-locking is left. In contrast, according to the unpublished European application, the drive is installed horizontally and the electric linear motor - usually a ball screw drive - has a poor mechanical efficiency over its entire path of movement, which makes it impossible to disengage the door from the self-locking area by hand.

Es ist weiters aus dem DE-GM G 8501247.5 bei einer hydraulisch angetriebenen Fahrzeugtüre bekannt, zum Überwinden einer Totpunktlage beim Notbetrieb einen Stößel zu verwenden, der von einem Arbeitspeicher angetrieben wird. Dabei ist der Stößel im Normalbetrieb mittels einer Haltevorrichtung fixiert, die im Notbetrieb gelöst wird. Das Öffnen der Türe nach Überwinden der Totpunktlage ist zufolge des geringen Widerstandes des Türantriebes ohne Schwierigkeiten möglich. Der Stößel wird im Normalbetrieb fixiert, um bei Druckausfall die Türen geschlossen zu halten, aber nicht weil es vom Antrieb her im Normalbetrieb notwendig wäre.It is further known from DE-GM G 8501247.5 in a hydraulically driven vehicle door to use a plunger which is driven by a work memory to overcome a dead center position in emergency operation. The plunger is fixed in normal operation by means of a holding device which is released in emergency operation. Opening the door after overcoming the dead center position is possible without difficulty due to the low resistance of the door drive. The plunger is fixed in normal operation in order to keep the doors closed in the event of pressure loss, but not because the drive would require it in normal operation.

Es ist somit Aufgabe der Erfindung, bei einem Türantrieb der eingangs beschriebenen Art, der nur im Schließendbereich der Türe selbsthemmend, im restlichen Bewegungsbereich aber schwergängig ist und bei dem im Normalbetrieb bei geschlossenen Türen der Antrieb kraftlos ist, eine Notbetätigungsvorrichtung zu schaffen, durch die die Türe bei Stromausfall oder im Notfall auch für ungeübte und körperlich schwächere Benützer leicht und sicher zu öffnen ist.It is therefore an object of the invention to provide an emergency actuation device for a door drive of the type described in the introduction, which is self-locking only in the closing end area of the door, but is stiff in the rest of the range of motion and in which the drive is inoperative in normal operation when the doors are closed Doors can be opened easily and safely in the event of a power failure or in an emergency, even for inexperienced and physically weak users.

Erfindungsgemäß wird dazu vorgeschlagen, im Bereich der Schließendlage des Türgetriebes einen auf den Türantrieb in Öffnungsrichtung wirkenden Schieber anzuordnen, dessen Verschiebungsweg größer ist als der selbsthemmende Bereich der Türantrieb-Türgetriebe-Verbindung, daß der Schieber von einer Halteeinrichtung in einer der Schließendlage der Tür entsprechenden Stellung gehalten wird, und daß die Halteeinrichtung von Hand aus lösbar ist.According to the invention, it is proposed to arrange a slide acting on the door drive in the opening direction in the area of the closed end position of the door gear, the displacement path of which is greater than the self-locking area of the door drive-door gear connection, that the slide is held by a holding device in a position corresponding to the closed end position of the door, and that the holding device can be released by hand.

Durch diese Maßnahme ist es möglich, den Schieber mittels einer Feder, eines Luftpolsters od.dgl. mit einer so großen Kraft zu beaufschlagen, daß ein zuverlässiges Verlassen des selbsthemmenden Bereiches möglich ist. Diese Ausrückekraft ist nach oben nur durch die Schließkraft des elektrischen Linearantriebes begrenzt, da nach einer Notbetätigung der Türe beim ersten automatischen Schließen der Tür der Schieber vom Türantrieb in Schließrichtung bis zum Erreichen der Endlage gegen die Ausrückekraft mitgenommen wird, worauf der Schieber von der Halteeinrichtung wieder erfaßt und in dieser Lage festgehalten wird. Es muß somit zumindest im Schließendbereich die Schließkraft des Türantriebes größer sein als die Ausrückekraft, wobei die auftretenden Reibungs- und Massenkräfte zu berücksichtigen sind.This measure makes it possible to use a spring, an air cushion or the like to slide the slide. to be acted upon with such a force that it is possible to reliably leave the self-locking area. This disengagement force is only limited by the closing force of the electric linear drive, since after an emergency operation of the door when the door is automatically closed for the first time, the slide is carried by the door drive in the closing direction until the end position is reached against the disengagement force, whereupon the slide is again held by the holding device recorded and held in this position. The closing force of the door drive must therefore be greater than the disengaging force, at least in the closing end region, the friction and inertia forces that have to be taken into account.

Beim Notbetätigen der Türe ist es nicht mehr notwendig, die Kraft zum Öffnen der Türe aus der Schließendlage aufzubringen, sondern nur mehr die Kraft zum Freigeben der Halteeinrichtung. Diese Kraft kann durch geeignete Ausbildung der Halteeinrichtung vom Fachmann in Kenntnis der Erfindung in weiten Grenzen vorgewählt und eingestellt werden.When the door is actuated in an emergency, it is no longer necessary to apply the force to open the door from the closed end position, but only the force to release the holding device. This force can be preselected and adjusted within a wide range by a person skilled in the art, by means of a suitable design of the holding device.

Der Verschiebeweg muß ausreichend groß sein, um das Verlassen des selbsthemmenden Abschnittes der Türbewegung sicherzustellen. Wie groß dieser Weg tatsächlich ist, hängt davon ab, wo der Schieber am Türantrieb angreift und ob zwischen dem Angriffspunkt und dem Bereich der Selbsthemmung eine Übersetzung vorgesehen ist. Der Verschiebeweg kann selbstverständlich auch ein Verdrehwinkel sein oder als solcher angegeben werden, wenn der Schieber an einem drehenden Teil angreift oder selbst eine Drehbewegung ausführt.The displacement path must be sufficiently large to ensure that it leaves the self-locking section of the door movement. How long this path actually is depends on where the slide engages the door operator and whether there is a translation between the point of application and the area of self-locking. The displacement path can of course also be an angle of rotation or can be specified as such if the slide engages a rotating part or itself executes a rotary movement.

In einer Ausgestaltung ist vorgesehen, das Öffnen der Türe im Notbetrieb weiter zu erleichtern, indem beim Auslösen der Halteeinrichtung durch ein Relais der Kurzschluß des Motors des elektrischen Antriebes aufgehoben wird, dieser somit beim Öffnen nicht mehr als Dynamo arbeitet, wodurch das Öffnen der Türe außerhalb des Ausrückebereiches wesentlich erleichtert ist.In one embodiment, it is provided to further facilitate the opening of the door in emergency operation, in that when the holding device is triggered by a relay, the short circuit of the motor of the electric drive is released, so that it no longer works as a dynamo when opening, so that the door is opened outside the disengagement area is much easier.

In einer Fortbildung dieser Ausgestaltung ist vorgesehen, daß in Abhängigkeit von der Wagengeschwindigkeit beim Betätigen der Türnotvorrichtung der Kurzschluß im Motor des elektrischen Antriebes nicht aufgehoben, sondern durch Umschalten des Motorstromkreises über einen Widerstandes herabgesetzt wird. Auf diese Weise kann ein Notbetrieb der Türe weiterhin erfolgen, wobei jedoch durch das schwergängigere Öffnen der Türe eine Sicherheit gegen ein irrtümliches Öffnen gegeben ist. Die jeweilige Wagengeschwindigkeit kann durch Verwenden des beim Straßen- oder Schienenfahrzeuges vorhandenen Geschwindigkeitsaufnehmers und beispielsweise dem Umschalten eines Relais relativ einfach und ohne Installationsprobleme erfolgen. Weitere Merkmale der Erfindung sind Gegenstand der abhängigen Ansprüche 2 bis 4.In a further development of this embodiment it is provided that, depending on the car speed when the door emergency device is actuated, the short circuit in the motor of the electric drive is not eliminated, but is reduced by switching the motor circuit via a resistor. In this way, an emergency operation of the door can continue to take place, but security against erroneous opening is given by the stiff opening of the door. The respective car speed can be done relatively easily and without installation problems by using the speed sensor present in the road or rail vehicle and, for example, switching a relay. Further features of the invention are the subject of dependent claims 2 to 4.

Die Erfindung wird an Hand der Zeichnung näher erläutert. Die Fig. 1 eine erfindungsgemäße Vorrichtung und die Fig. 2 eine erfindungsgemäße Halteeinrichtung.The invention is explained in more detail with reference to the drawing. 1 shows a device according to the invention and FIG. 2 shows a holding device according to the invention.

Ein Elektromotor 1 treibt einen Linearantrieb 2 mit schlechtem mechanischem Wirkungsgrad. Dieser bewegt eine Kolbenstange 3 hin und her, wobei eine auf dieser Kolbenstange drehbar angeordnete Rolle 4 in einer Kulisse 5 gleitet. Die Kulisee 5 ist um eine Achse 6 drehbar angeordnet und betätigt beim Verschieben der Kolbenstange 3 über einen nicht weiter dargestellten Mechanismus eine oder mehrere Türen. Die Kulisse 5 ist so ausgebildet, daß sie bei geschlossener Türe mit dem Abschnitt, in dem sich zu diesem Zeitpunkt die Rolle 4 befindet, zumindest angenähert parallel zur Achse der Kolbenstange 3 verläuft. Damit ist die Verbindung zwischen der Kulisse und der Kolbenstange in diesem Bereich von der Kulisse her selbsthemmend, d.h., daß eine noch so große Kraft, die die Kulisse um die Achse 6 zu drehen versucht, nicht in der Lage ist, die Rolle 4 und mit ihr die Kolbenstange in axialer Richtung zu verschieben. Das bedeutet, daß beim Ausfall des Türantriebes 1, 2 ein Betätigen der Türe von Hand aus nicht möglich ist.An electric motor 1 drives a linear drive 2 with poor mechanical efficiency. This moves a piston rod 3 back and forth, a roller 4 rotatably arranged on this piston rod sliding in a link 5. The link 5 is arranged rotatably about an axis 6 and actuates one or more doors when the piston rod 3 is displaced via a mechanism (not shown). The setting 5 is designed so that it runs at least approximately parallel to the axis of the piston rod 3 with the section in which the roller 4 is located at this time when the door is closed. So that is the connection between the backdrop and the Piston rod in this area from the backdrop self-locking, that is, no matter how large a force that tries to rotate the backdrop about the axis 6, is not able to move the roller 4 and with it the piston rod in the axial direction. This means that if the door drive 1, 2 fails, the door cannot be operated manually.

Erfindungsgemäß ist auf der Kolbenstange 3 eine Druckplatte 11 vorgesehen, gegen die ein Schieber 12 in Öffnungsrichtung der Kolbenstange 3 drücken kann. Dieser Schieber steht unter der Wirkung eines Kraftspeichers, der beim Schließen der Türe vom Antrieb 1, 2 geladen wird. Im Normalbetrieb wird der Schieber 12 von einer Halteeinrichtung 13 festgehalten, sodaß nach dem Schließen der Türe, wenn der Antrieb 1, 2 wie bei elektrisch betriebenen Türen üblich, abgeschaltet und damit kraftlos wird, durch die Selbsthemmung der Kulisse 5 mit der Rolle 4 die Türe geschlossen bleibt.According to the invention, a pressure plate 11 is provided on the piston rod 3, against which a slide 12 can press in the opening direction of the piston rod 3. This slide is under the action of an energy accumulator, which is loaded by the drive 1, 2 when the door is closed. In normal operation, the slide 12 is held in place by a holding device 13, so that after the door has been closed, when the drive 1, 2, as is customary in the case of electrically operated doors, is switched off and thus becomes weak, the door 5 is locked by the self-locking of the link 5 remains closed.

Bei Stromausfall muß die Türe, ohne daß die Kraft des Antriebes 1, 2 zur Verfügung steht, trotz der Selbsthemmung der Kulisse mit der Rolle vom Benützer zu tätigen sein. Dazu bedient er einen Bowdenzug 14, wodurch die Halteeinrichtung den Schieber 12 freigibt und dieser unter der Wirkung des Kraftspeichers gegen die Druckplatte 11 der Kolbenstange 3 gepreßt wird, diese in der Folge in Öffnungsrichtung verschiebt, wodurch die Rolle 4 aus dem selbsthemmenden Bereich der Kulisse 5 gelangt.In the event of a power failure, the door must be able to be operated by the user in spite of the self-locking of the setting, without the power of the drive 1, 2 being available. For this purpose, he operates a Bowden cable 14, whereby the holding device releases the slide 12 and, under the action of the energy accumulator, it is pressed against the pressure plate 11 of the piston rod 3, which subsequently moves it in the opening direction, as a result of which the roller 4 moves out of the self-locking area of the link 5 reached.

Beim Betätigen des Bowdenzugs wird ein Schalter 21 betätigt, durch den der Antrieb stromlos gemacht wird und gleichzeitig der Motorkurzschluß aufgehoben wird. Dadurch ist ein leichtes Öffnen der Türe auch ausserhalb des Bereiches der Selbsthemmung trotz des sonst schwergängigen Türantriebes sichergestellt.When the Bowden cable is actuated, a switch 21 is actuated, by means of which the drive is de-energized and the motor short circuit is simultaneously canceled. This ensures easy opening of the door even outside the self-locking area despite the otherwise difficult door drive.

Bei Überschreiten einer vorbestimmten Grenzgeschwindigkeit des Fahrzeuges, in dem die Tür eingebaut ist, bewirkt ein Betätigen des Schalters 21 nicht mehr das Aufheben des Motorkurzschlusses (Widerstand unendlich), sondern das Erhöhen des Motorwiderstandes um einen endlichen Wert, was bedeutet, daß die Tür leichter als bei kurzgeschlossenem Motor, aber schwerer als bei aufgehobenem Motorkurzschluß geöffnet werden kann.If a predetermined limit speed of the vehicle in which the door is installed is exceeded, actuation of the switch 21 no longer causes the lifting of the motor short-circuit (infinite resistance), but increasing the motor resistance by a finite value, which means that the door can be opened more easily than with a short-circuited motor, but more difficult than with an open motor short-circuit.

Das Beenden des Notbetriebes kann auf verschiedene Arten erfolgen, beispielsweise durch Rückstellen des Bowdenzuges, wobei in diesem Fall durch einen nicht dargestellten, mit der Handhabe des Bowdenzuges verbundenen Schalter der Antrieb wieder mit Strom versorgt wird und eine Schließbewegung der Tür eingeleitet wird. Im Zuge dieser wieder durch den Türantrieb erfolgenden Schließbewegung wird der Arbeitsspeicher 15 "geladen" und die Halteeinrichtung 13 fixiert den Schieber 2. Damit befindet sich die Tür wieder im Normalbetriebszustand.The emergency operation can be ended in various ways, for example by resetting the Bowden cable, in which case the drive is supplied with current again by a switch (not shown) connected to the handle of the Bowden cable and a closing movement of the door is initiated. In the course of this closing movement, which is again effected by the door drive, the working memory 15 is “loaded” and the holding device 13 fixes the slide 2. The door is thus again in the normal operating state.

Die Erfindung ist nicht auf das dargestellte Ausführungsbeispiel beschränkt, sondern kann gemäß Anspruch 1 verschieden abgewandelt werden. So kann die Kulisse eine andere Form aufweisen und der Abschnitt der Türbewegung, in dem Selbsthemmung auftritt, kann größer oder kleiner als im gewählten Beispiel sein. Es ist dabei aber wichtig, daß der Ausrückeweg des Schiebers 12 ein sicheres Verlassen des selbsthemmenden Bereiches gewährleistet.The invention is not limited to the illustrated embodiment, but can be modified in accordance with claim 1. The backdrop can have a different shape and the section of the door movement in which self-locking occurs can be larger or smaller than in the selected example. However, it is important that the disengagement path of the slide 12 ensures that the self-locking area is left safely.

Es kann weiters die Halteeinrichtung anders ausgestaltet sein, wobei, um ein sicheres Erfassen des Schiebers zu gewährleisten, der Haltepunkt in geringem Abstand von der motorisch erreichten Schließendlage der Türe angeordnet sein kann. Es ist bei der Wahl dieses Abstandes darauf Bedacht zu nehmen, daß beim ordnungsgemäßen Abschalten des Türantriebes nach dem Schließen der Tür diese vom Schieber bis zum Erreichen des Haltepunktes aufgehoben wird. Es muß dieser Punkt, der somit die endgültige Schließlage darstellt, allen Sicherheits- und Dichtungsbedingungen genügen. Es können weiters die zwischen dem Schieber 12 und der Halteeinrichtung 13 zusammenwirkenden Flächen entsprechend angeordnet oder beschichtet werden, um ein leichtes Auslösen und Einschnappen der Halteveinrichtung zu ermöglichen, was bei großen von der Feder 15 gespeicherten Kräften bedeutungsvoll sein kann.Furthermore, the holding device can be designed differently, and in order to ensure reliable detection of the slide, the stopping point can be arranged at a short distance from the closed end position of the door that is reached by motor. When choosing this distance, care should be taken to ensure that when the door drive is properly switched off after the door is closed, it is lifted by the slide until the stop point is reached. This point, which thus represents the final closed position, must meet all safety and sealing conditions. Furthermore, the surfaces interacting between the slide 12 and the holding device 13 can be arranged or coated accordingly to enable easy release and snapping of the holding device, which can be significant with large forces stored by the spring 15.

Der Bowdenzug 14 kann mittels einer Feder so ausgebildet sein, daß er in seine Ausgangslage zurückkehrt, wenn seine Handhabe losgelassen wird. Dadurch wird nach Wegfall der Störung eine automatische Rückkehr in den Normalbetrieb ohne spezielles Umschalten ermöglicht.The Bowden cable 14 can be designed by means of a spring so that it returns to its starting position when its handle is released. As a result, an automatic return to normal operation without special switching is possible after the fault has disappeared.

Es kann die Erfindung auch auf Türantriebe gemäß der EP-A2 0118081 angewandt werden, wenn vom Kraftspeicher ein entsprechendes Drehmoment auf die die beiden geknickten Hebel tragende Scheibe ausgeübt wird.The invention can also be applied to door drives according to EP-A2 0118081 if a corresponding torque is exerted by the energy accumulator on the disk carrying the two bent levers.

Es ist selbstverständlich möglich, den Kraftspeicher an einer anderen als der dargestellten Stelle des Türantriebes vorzusehen.It is of course possible to provide the energy accumulator at a different location from that of the door drive.

Claims (4)

1. An emergency actuating device for a vehicle door operated by means of a non self-locking electric drive (2), the door mechanism (4, 5) of which is of self-locking construction at least in the closure end zone of the door, characterised in that in the vicinity of the closure end position of the door mechanism there is provided a slide member (12) which acts on the door drive (11) in the direction of its opening movement and has a displacement travel greater than the self-locking range of the door mechanism, wherein, however, the slide member is retained by a retaining means (13) in its position corresponding to the closing end position of the door, the retaining means being releasable by hand.
2. A device according to Claim 1, characterised in that the short-circuit cycle of the motor (1) of the electric drive is interrupted when the retaining means (13) is released.
3. A device according to Claim 2, characterised in that a resistance is connected into the short-circuit cycle of the motor (1) of the electric drive when a predetermined speed of the vehicle of the vehicle is exceeded.
4. A device with an electric linear drive according to any one of Claims 1 to 3, characterised in that the slide member (12) acts on a linearly moved part (3, 11) of the door drive.
EP89890087A 1988-03-29 1989-03-29 Emergency operation device for a non self-locking electrically driven vehicle door Expired - Lifetime EP0335860B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT837/88 1988-03-29
AT0083788A AT391912B (en) 1988-03-29 1988-03-29 EMERGENCY ACTUATING DEVICE FOR A VEHICLE DOOR OPERATED WITH A NON-SELF-LOCKING ELECTRICAL DRIVE

Publications (2)

Publication Number Publication Date
EP0335860A1 EP0335860A1 (en) 1989-10-04
EP0335860B1 true EP0335860B1 (en) 1992-01-29

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Application Number Title Priority Date Filing Date
EP89890087A Expired - Lifetime EP0335860B1 (en) 1988-03-29 1989-03-29 Emergency operation device for a non self-locking electrically driven vehicle door

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EP (1) EP0335860B1 (en)
AT (1) AT391912B (en)
DE (1) DE58900780D1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT403079B (en) 1994-10-05 1997-11-25 Ife Gmbh DOOR DRIVE
DE10163386B4 (en) * 2001-12-21 2005-10-13 Audi Ag Window with an emergency closing device for a motor vehicle, in particular for a security vehicle
EP1516984A3 (en) 2003-09-14 2008-01-23 Fahrzeugtechnik Dessau AG - Railroad Technologies - Emergency unlocking mechanism for swinging-sliding doors, in particular for a railway vehicle
US7254918B2 (en) 2004-11-12 2007-08-14 Fahrzeugtechnik Dessau Ag Emergency unlocking device for locking and unlocking systems for swinging sliding doors, in particular of rail vehicles

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4007557A (en) * 1975-03-03 1977-02-15 The Stanley Works Pivot hung power operated door and inertia insensitive disconnectable drive linkage therefor
DE3307310A1 (en) * 1983-03-02 1984-09-06 Kiekert GmbH & Co KG, 5628 Heiligenhaus DRIVING DEVICE FOR A VEHICLE DOOR
DE8501247U1 (en) * 1985-01-19 1985-05-02 Gebr. Bode & Co GmbH, 3500 Kassel Drive device for a single or double-leaf vehicle swing door

Also Published As

Publication number Publication date
EP0335860A1 (en) 1989-10-04
DE58900780D1 (en) 1992-03-12
ATA83788A (en) 1990-06-15
AT391912B (en) 1990-12-27

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