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EP1258444B1 - Unlocking device for landing doors of elevators - Google Patents

Unlocking device for landing doors of elevators Download PDF

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Publication number
EP1258444B1
EP1258444B1 EP20020009915 EP02009915A EP1258444B1 EP 1258444 B1 EP1258444 B1 EP 1258444B1 EP 20020009915 EP20020009915 EP 20020009915 EP 02009915 A EP02009915 A EP 02009915A EP 1258444 B1 EP1258444 B1 EP 1258444B1
Authority
EP
European Patent Office
Prior art keywords
unlocking
landing doors
unlocking device
locking
threaded spindle
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
EP20020009915
Other languages
German (de)
French (fr)
Other versions
EP1258444A1 (en
Inventor
Roland Weidmann
Jules Christen
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.)
Inventio AG
Original Assignee
Inventio AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Inventio AG filed Critical Inventio AG
Priority to EP20020009915 priority Critical patent/EP1258444B1/en
Publication of EP1258444A1 publication Critical patent/EP1258444A1/en
Application granted granted Critical
Publication of EP1258444B1 publication Critical patent/EP1258444B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/24Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers

Definitions

  • the invention relates to an unlocking device Shaft doors of elevators, according to the preamble of Claim 1.
  • the shaft doors of a lift are closed Condition locked to the door frame, which is usually a rotatably mounted on the shaft door locking lever with a locking member attached to the door frame in Intervention is.
  • the locking lever In normal operation, the locking lever by a mounted on the elevator car Unlocking unlocked.
  • a locked landing door from the floor from being opened by an authorized person which purpose unlocking devices are provided.
  • EP-A-838425 is a Device for emergency release of elevator doors known become, with which one swivels at one with the Ge Wegwagen the shaft door connected carrier sheet mounted hook latch is provided.
  • the hook latch is designed as a double lever, wherein the one lever arm a Has hook and the other lever arm with a weight is provided so that the hook is always pushed upwards becomes.
  • the hook engages in a recess of a fixedly attached anchoring element, so that a lateral displacement of the hanger trolley or shaft door not possible.
  • the closing of the Shaft door is pushed under a release bar.
  • the Trigger bar is on a rotatably mounted rotary lever fastened by means of a tension spring in the Locking position is held.
  • the rotary lever is with connected to one end of a Bowden cable, the other end attached to a pull lever of an actuating element.
  • the actuator is at the bottom of a bombardmentrs arranged and from the corridor of the building accessible.
  • the invention is based on the object, a relation to the previously described simpler unlocking device propose.
  • the locking lever over a release slide with an actuator in active connection.
  • the unlocking slide exists only in one piece and is directly from one Support plate held and guided.
  • the actuating device has an actuating member rotatably mounted on the support plate on, which is rotatably connected to a spindle, with a non-self-locking coarse thread is provided. On the spindle is guided a spindle nut on which the Release slide is attached.
  • Locking member 2 is attached.
  • a locking lever 3 is not rotatable about an axis 4 at one stored hanging trolley of the shaft door stored.
  • the Locking lever 3 in the form of a double lever, indicates the one lever arm 5 a hook 6, while on the other lever arm 7 a weight 8 is attached. In Locked condition is under the influence of weight 8 the lever arm 5 is raised and the hook 6 with the Locking member 2 in engagement.
  • a Bolt 9 attached at the other lever arm 7 of the locking lever 3 .
  • a Entriegelungsschieber 10 arranged, the slidably on Carrier plate 1 fitting guided and held.
  • a cutout 11 is provided and the support plate 1 at the height of the cutout 11 by deformed twice at obtuse angles, that the release slide 10 only on one side of the support plate 1 and then guided on the other side becomes.
  • a lower part 10.1 of the release slide 10th is wider than a top part 10.2 of the Entriegelungsschiebers 10, wherein at the upper corners of the lower part 10.1 and at the top of 10.2 friction-reducing coverings 12, 13, 14 are provided.
  • Of the Entriegelungsschieber 10 is at its lower end with an actuator 20 connected.
  • the actuator 20 includes a triangular provided actuator 21, which in an am Support plate 1 fixed bearing plate 22 rotatably mounted is.
  • the actuator 21 is provided with a spindle 23 rotatably connected, which with a single or multi-speed - preferably double-flighted - non-self-locking Steep thread, such as trapezoidal thread is provided.
  • a seated on the spindle 23 spindle nut 24 is with bolted to the release slide 10 so that when Turning the actuator 21 by means of a Triangular key of the release slide 10 upwards pushed against the bolt 9, the locking lever. 3 swung and the shaft door is unlocked.

Landscapes

  • Elevator Door Apparatuses (AREA)
  • Lock And Its Accessories (AREA)

Description

Die Erfindung betrifft eine Entriegelungsvorrichtung an Schachttüren von Aufzügen, gemäss Oberbegriff des Patentanspruches 1.The invention relates to an unlocking device Shaft doors of elevators, according to the preamble of Claim 1.

Die Schachttüren eines Aufzuges sind im geschlossenem Zustand mit dem Türrahmen verriegelt, wobei in der Regel ein drehbar an der Schachttür angebrachter Verriegelungshebel mit einem am Türrahmen befestigten Verriegelungsglied im Eingriff ist. Im Normalbetrieb wird der Verriegelungshebel durch einen auf der Aufzugskabine montierten Entriegelungsmechanismus entriegelt. Um bei Pannen oder in anderen Notfällen in den Aufzugsschacht zu gelangen, muss es möglich sein, dass eine verriegelte Schachttür vom Stockwerk aus von einer autorisierten Person geöffnet werden kann, zu welchem Zweck Entriegelungsvorrichtungen vorgesehen sind.The shaft doors of a lift are closed Condition locked to the door frame, which is usually a rotatably mounted on the shaft door locking lever with a locking member attached to the door frame in Intervention is. In normal operation, the locking lever by a mounted on the elevator car Unlocking unlocked. In case of breakdowns or in other emergencies in the elevator shaft, it must be possible that a locked landing door from the floor from being opened by an authorized person which purpose unlocking devices are provided.

Mit der Europäischen Patentanmeldung EP-A-838425 ist eine Vorrichtung zur Notentriegelung von Aufzugstüren bekannt geworden, bei der ein schwenkbar an einem mit dem Gehängewagen der Schachttür verbundenen Trägerblech gelagerter Hakenriegel vorgesehen ist. Der Hakenriegel ist als Doppelhebel ausgebildet, wobei der eine Hebelarm einen Haken aufweist und der andere Hebelarm mit einem Gewicht versehen ist, so dass der Haken stets nach oben gedrückt wird. Der Haken greift dabei in eine Ausnehmung eines ortsfest angebrachten Verankerungselementes ein, so dass ein seitliches Verschieben des Gehängewagens bzw. der Schachttür nicht möglich ist. Am Hakenriegel ist ein Auslösesteg mit einer Abbiegung befestigt, die beim Schliessen der Schachttür unter eine Auslösestange geschoben wird. Die Auslösestange ist an einem drehbar angeordnetem Drehhebel befestigt, der mittels einer Zugfeder in der Verriegelungsstellung gehalten wird. Der Drehhebel ist mit einem Ende eines Bowdenzuges verbunden, dessen anderes Ende an einem Zughebel eines Betätigungselementes befestigt ist. Das Betätigungselement ist an der Unterseite eines Sichtkämpfers angeordnet und vom Flur des Gebäudes aus zugänglich.With the European patent application EP-A-838425 is a Device for emergency release of elevator doors known become, with which one swivels at one with the Gehängewagen the shaft door connected carrier sheet mounted hook latch is provided. The hook latch is designed as a double lever, wherein the one lever arm a Has hook and the other lever arm with a weight is provided so that the hook is always pushed upwards becomes. The hook engages in a recess of a fixedly attached anchoring element, so that a lateral displacement of the hanger trolley or shaft door not possible. On the hook latch with a trigger bar attached to a turn, the closing of the Shaft door is pushed under a release bar. The Trigger bar is on a rotatably mounted rotary lever fastened by means of a tension spring in the Locking position is held. The rotary lever is with connected to one end of a Bowden cable, the other end attached to a pull lever of an actuating element. The actuator is at the bottom of a Sichtkämpfers arranged and from the corridor of the building accessible.

Der Erfindung liegt die Aufgabe zugrunde, eine gegenüber der vorstehend beschriebenen einfachere Entriegelungsvorrichtung vorzuschlagen.The invention is based on the object, a relation to the previously described simpler unlocking device propose.

Diese Aufgabe wird durch die im Patentanspruch 1 angegebene Erfindung gelöst. Hierbei steht der Verriegelungshebel über einen Entriegelungsschieber mit einer Betätigungseinrichtung in Wirkverbindung. Der Entriegelungsschieber besteht lediglich aus einem Stück und wird unmittelbar von einem Trägerblech gehalten und geführt. Die Betätigungseinrichtung weist ein am Trägerblech drehbar gelagertes Betätigungsglied auf, das mit einer Spindel drehfest verbunden ist, die mit einem nicht-selbsthemmenden Steilgewinde versehen ist. Auf der Spindel ist eine Spindelmutter geführt, an welcher der Entriegelungsschieber befestigt ist.This object is achieved by the specified in claim 1 Invention solved. Here is the locking lever over a release slide with an actuator in active connection. The unlocking slide exists only in one piece and is directly from one Support plate held and guided. The actuating device has an actuating member rotatably mounted on the support plate on, which is rotatably connected to a spindle, with a non-self-locking coarse thread is provided. On the spindle is guided a spindle nut on which the Release slide is attached.

Die mit der Erfindung erzielten Vorteile sind darin zu sehen, dass der Entriegelungsschieber nur aus einem Stück besteht und zu seiner Führung und Halterung keine zusätzlichen Teile benötigt werden, wohingegen beim Stand der Technik mehrere Teile für die Verbindung zwischen dem Hakenriegel und dem Betätigungselement erforderlich sind. Ein weiterer Vorteil besteht darin, dass für die Rückstellung keine Feder verwendet wird. Damit wird die Bruchgefahr, wie sie für die im genannten Stand der Technik verwendete Zugfeder mit angebogenen Oesen besteht, vermieden und die Betriebssicherheit verbessert. Mit den vorgeschlagenen Massnahmen kann daher eine kostengünstige, sichere und platzsparende Lösung realisiert werden.The advantages achieved by the invention are to see that the release slide is only one piece exists and none of its leadership and support additional parts are needed, whereas in the state the technique of multiple parts for the connection between the Hook latch and the actuator are required. Another advantage is that for the Reset no spring is used. This will be the Danger of breakage, as mentioned for the mentioned in the prior art used tension spring with curved eyelets is avoided and improved operational safety. With the proposed measures can therefore be a cost-effective, safe and space-saving solution can be realized.

Im folgenden wird die Erfindung anhand eines Ausführungsbeispieles im Zusammenhang mit der Zeichnung näher erläutert. Es zeigen:

Fig.1
Eine Ansicht der Entriegelungsvorrichtung in Richtung A der Fig.2,
Fig.2
eine Ansicht der Entriegelungsvorrichtung in Richtung B der Fig.1, in grösserem Massstab und
Fig.3
eine Betätigungseinrichtung der Entriegelungsvorrichtung gemäss Fig.1 und 2 in grösserem Massstab.
In the following the invention will be explained in more detail using an exemplary embodiment in conjunction with the drawing. Show it:
Fig.1
A view of the unlocking device in the direction A of Figure 2,
Fig.2
a view of the unlocking device in the direction B of Figure 1, on a larger scale and
Figure 3
an actuating device of the unlocking device according to Figures 1 and 2 on a larger scale.

In den Fig.1 bis 3 ist mit 1 ein mit dem Türrahmen einer Schachttür verbundenes Trägerblech bezeichnet, an dem ein Verriegelungsglied 2 befestigt ist. Ein Verriegelungshebel 3 ist um eine Achse 4 drehbar an einem nicht weiter dargestellten Hängewagen der Schachttür gelagert. Der Verriegelungshebel 3 in Form eines Doppelhebels, weist an dem einen Hebelarm 5 einen Haken 6 auf, während an dem anderen Hebelarm 7 ein Gewicht 8 befestigt ist. In verriegeltem Zustand ist unter dem Einfluss des Gewichtes 8 der eine Hebelarm 5 angehoben und der Haken 6 mit dem Verriegelungsglied 2 im Eingriff.1 to 3 with the door frame of a Shaft door connected carrier plate indicates at the one Locking member 2 is attached. A locking lever 3 is not rotatable about an axis 4 at one stored hanging trolley of the shaft door stored. Of the Locking lever 3 in the form of a double lever, indicates the one lever arm 5 a hook 6, while on the other lever arm 7 a weight 8 is attached. In Locked condition is under the influence of weight 8 the lever arm 5 is raised and the hook 6 with the Locking member 2 in engagement.

Am anderen Hebelarm 7 des Verriegelungshebels 3 ist ein Bolzen 9 befestigt. Unterhalb des Bolzens 9 ist ein Entriegelungsschieber 10 angeordnet, der verschiebbar am Trägerblech 1 anliegend geführt und gehalten wird. Zu diesem Zweck ist im Trägerblech 1 ein Ausschnitt 11 vorgesehen und das Trägerblech 1 auf der Höhe des Ausschnittes 11 durch zweimaliges Abbiegen in stumpfen Winkeln derart verformt, dass der Entriegelungsschieber 10 erst an der einen Seite des Trägerbleches 1 und dann an dessen anderer Seite geführt wird. Ein unteres Teil 10.1 des Entriegelungsschiebers 10 ist breiter als ein oberes Teil 10.2 des Entriegelungsschiebers 10, wobei an den oberen Ecken des unteren Teiles 10.1 und am oberen Teil 10.2 reibungsvermindernde Beläge 12, 13, 14 vorgesehen sind. Der Entriegelungsschieber 10 ist an seinem unteren Ende mit einer Betätigungseinrichtung 20 verbunden.At the other lever arm 7 of the locking lever 3 is a Bolt 9 attached. Below the pin 9 is a Entriegelungsschieber 10 arranged, the slidably on Carrier plate 1 fitting guided and held. To this Purpose is in the carrier plate 1, a cutout 11 is provided and the support plate 1 at the height of the cutout 11 by deformed twice at obtuse angles, that the release slide 10 only on one side of the support plate 1 and then guided on the other side becomes. A lower part 10.1 of the release slide 10th is wider than a top part 10.2 of the Entriegelungsschiebers 10, wherein at the upper corners of the lower part 10.1 and at the top of 10.2 friction-reducing coverings 12, 13, 14 are provided. Of the Entriegelungsschieber 10 is at its lower end with an actuator 20 connected.

Die Betätigungseinrichtung 20 weist ein mit einem Dreikant versehenes Betätigungsglied 21 auf, das in einer am Trägerblech 1 befestigten Lagerplatte 22 drehbar gelagert ist. Das Betätigungsglied 21 ist mit einer Spindel 23 drehfest verbunden, die mit einem ein- oder mehrgängigen - vorzugsweise zweigängigen - nicht-selbsthemmenden Steilgewinde, beispielsweise Trapezgewinde, versehen ist. Eine auf der Spindel 23 sitzende Spindelmutter 24 ist mit dem Entriegelungsschieber 10 verschraubt, so dass beim Drehen des Betätigungsgliedes 21 mittels eines Dreikantschlüssels der Entriegelungsschieber 10 nach oben gegen den Bolzen 9 geschoben, der Verriegelungshebel 3 geschwenkt und die Schachttür entriegelt wird. Beim Verriegelungsvorgang wird die Abwärtsbewegung des Entriegelungsschiebers 10 durch das Gewicht 8 des Verriegelungshebels 3 eingeleitet und durch die reibungarme Gestaltung des Entriegelungsschiebers 10 und der Betätigungseinrichtung 20 unterstützt, bis die Spindel 23, bzw. der Entriegelungsschieber 10, wieder die Ausgangsstellung erreicht hat.The actuator 20 includes a triangular provided actuator 21, which in an am Support plate 1 fixed bearing plate 22 rotatably mounted is. The actuator 21 is provided with a spindle 23 rotatably connected, which with a single or multi-speed - preferably double-flighted - non-self-locking Steep thread, such as trapezoidal thread is provided. A seated on the spindle 23 spindle nut 24 is with bolted to the release slide 10 so that when Turning the actuator 21 by means of a Triangular key of the release slide 10 upwards pushed against the bolt 9, the locking lever. 3 swung and the shaft door is unlocked. At the Locking operation will be the downward movement of the Entriegelungsschiebers 10 by the weight 8 of Locking lever 3 is initiated and by the low friction Design of the release slide 10 and the Actuator 20 supports until the spindle 23, or the release slide 10, again the Home position has reached.

Claims (7)

  1. Emergency unlocking device for landing doors of elevators which has a manually turnable operating member which can be actuated from a landing situated in front of the landing doors of the elevator and is in mechanical functional contact with a locking-lever,
    characterized in that
    the mechanical functional contact comprises a threaded spindle (23), a spindle-nut (24) which is movable along the threaded spindle (23), and an unlocking element (10) which transmits the movement of the spindle-nut (24) to the locking-lever (3).
  2. Emergency unlocking device for landing doors of elevators according to Claim 1,
    characterized in that
    the threaded spindle (23) is provided with a non-self-locking coarse-pitch thread.
  3. Emergency unlocking device for landing doors of elevators according to Claim 2,
    characterized in that
    the non-self-locking coarse-pitch thread of the threaded spindle (23) is a trapezoidal thread.
  4. Emergency unlocking device for landing doors of elevators according to one of claims 1 - 3,
    characterized in that
    at one of its ends the threaded spindle (23) has a triangular shaped actuating member (21).
  5. Emergency unlocking device for landing doors of elevators according to one of claims 1 - 3,
    characterized in that
    the unlocking-lever (3), the unlocking element (10), and the threaded spindle (23) are mounted on a carrier-plate (1), the unlocking element (10) being executed as an unlocking-slide (10) guided on the carrier-plate (1).
  6. Emergency unlocking device for landing doors of elevators according to Claim 5,
    characterized in that
    provided in the carrier-plate (1) is a cutout (11) and at the height of this cutout (11) the carrier-plate (1) is so formed in obtuse angles by double-bending that the cutout (11) forms a pass-through opening for the unlocking-slide (1) through which the unlocking-slide (10) is passed, it being passed first through one side of the carrier-plate (1) and then through its other side.
  7. Emergency unlocking device for landing doors of elevators according to Claim 5,
    characterized in that
    the unlocking-slide (10) has friction-reducing coatings (12, 13, 14).
EP20020009915 2001-05-14 2002-05-03 Unlocking device for landing doors of elevators Expired - Lifetime EP1258444B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20020009915 EP1258444B1 (en) 2001-05-14 2002-05-03 Unlocking device for landing doors of elevators

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP01810471 2001-05-14
EP01810471 2001-05-14
EP20020009915 EP1258444B1 (en) 2001-05-14 2002-05-03 Unlocking device for landing doors of elevators

Publications (2)

Publication Number Publication Date
EP1258444A1 EP1258444A1 (en) 2002-11-20
EP1258444B1 true EP1258444B1 (en) 2005-10-05

Family

ID=26077374

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20020009915 Expired - Lifetime EP1258444B1 (en) 2001-05-14 2002-05-03 Unlocking device for landing doors of elevators

Country Status (1)

Country Link
EP (1) EP1258444B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE254990C (en) *
US1269927A (en) * 1916-04-08 1918-06-18 Agda E Ziegler Elevator-door-actuating device.
US4410067A (en) * 1981-09-30 1983-10-18 Otis Elevator Company Elevator door operator
FR2670194B1 (en) * 1990-12-07 1993-03-26 Otis Elevator Co MANUAL UNLOCKING MECHANISM OF AN ELEVATOR DOOR.

Also Published As

Publication number Publication date
EP1258444A1 (en) 2002-11-20

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