ES2558355T3 - Door coupler with discharge of the box door lock element - Google Patents

Abstract

Device (1) for synchronous actuation and blocking of elevator doors arranged essentially one behind the other in the direction of passage, such as a cabin door and a box door, the device comprising roller skates (4a, 4b) fixed to a first door, whose separation with respect to each other can be varied to couple the first door to the second door and to slide both doors together, and the device being coupled with a linear drive that moves the doors in a direction of opening or closing and by driving the linear drive through a motion converter also at least one of the drag skates (4a), characterized in that the motion converter is configured such that said drag skate (4a) presses the second door during its unlocking at least temporarily in the direction of closing in such a way that the locking element that keeps closed is discharged to the second door, although the linear drive itself already moves in the opening direction.

Description

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Door coupler with discharge of the box door lock element

The invention relates to a device for actuating and blocking elevator doors arranged essentially one behind the other in the direction of passage according to the preamble of claim 1.

Such devices are known according to their generic type.

In particular, by patent application WO 2005/077808, it is known to mount the sliding skids 14, 15 of such door couplers on rotating pivoting levers 11, 13 and operating these pivoting levers 11, 13 with the aid of the linear opening drive and closes the doors in the form of the toothed belt 106, which acts on an actuation lever 1 that rotates in the intended operation. It is rotatably actuated, with the intercalation of a cam 18 that can also be rotatably moved, in turn by means of an actuating or pushing bar 10, the pivoting levers 11, 13, on which they are mounted so that the skids 14 and 15 can be rotatably rotated. In this way it forces the latter to their necessary movement for coupling and decoupling. Additionally, the rotary actuation lever 1 acts at the given time with the aid of the cam 18 which can be rotatably moved over the door lock in such a way that it is unlocked. In such a construction, the compression forces exerted by the drag skates 14, 15 on the box door rollers 109, 110, are of the same magnitude but act in the opposite direction. For this reason they neutralize and exert a torque free of transverse force on the box door, which releases the box door lock element without pressing the box door in any way.

In practice, especially in the case of elevator doors, the problem appears again and again that the lower guide rails get dirty with the passage of time, which means that there is considerable resistance to the guided doors in them. its opening and closing movement. The hooking area of the hook-shaped locking element can also become dirty. For this reason, it should always be borne in mind that although the box door can still be closed by sliding and locked, however in the next opening operation problems occur (the hook-shaped locking element that keeps the box door closed it engages with considerable tension behind its locking element trigger, since the box door has been elastically prestressed). In the following opening operation, the hook-shaped locking element of the box door can only be released exceeding the considerable frictional forces that oppose its opening movement. Sometimes the hook-shaped locking element becomes stuck and the elevator installation switches to a damaged state and the operation is paralyzed.

In view of this, the aim of the invention is to indicate a device for actuating and blocking elevator doors, which can reliably release the door lock that does not act on its own also in complicated conditions.

This objective is achieved by means of a device for actuating and blocking doors arranged essentially one behind the other in the direction of passage, the device comprising drag skates fixed to a first door, the separation of which with respect to each other can be varied to couple the first door to the second door and to slide both doors together. The device is coupled with a linear drive that moves the doors in a direction of opening or closing. This is preferably configured as a means of endless traction, in most cases in the form of a cable or belt that passes through two deflection pulleys, of which one is driven. The linear drive not only drives one of the doors, but also through at least one of the drag skates through a motion converter.

According to the invention, the motion converter is configured in such a way that the driven drive pin (the so-called "active drive pin") presses the second door during its unlocking at least temporarily in the closing direction, although the linear drive itself it already moves in the direction of opening, that is to say predetermined a movement in the direction of opening, not at least completely compensating the compression force, which imparts the active drag pattern of the second door in the direction of closing, by force compression, which imparts the second drag of the second door in the opposite direction. The decisive question is that the forces, which are produced in the second door by the action of the coupler skates, in any case are not neutralized in the horizontal direction because they act in the opposite direction in the horizontal direction and have the same magnitude, but because they generates a resulting force, which presses the second door, still closed, in the direction of closure.

Because of this, the second door is temporarily pressed in the direction of closing at the beginning of the door opening operation. In this way the box door lock element is discharged, even when it has been previously under tension. Therefore, it can be slightly separated from its triggering element trigger during the unlocking operation that occurs at the same time as said pressure closure.

Of course, the invention can not only be used when it is expected that the box door locking element will be tensioned in its locking element trigger due to a clogged box door. Instead of

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this is also advantageous when the box door locking element has been engaged in the intended manner with a certain prestressing with its locking element trigger (for example, in the case of high-speed elevators to prevent the cabin, that when passing with maximum speed generates a significant pressure wave, make the locked box doors vibrate at least only with play).

For reasons of patent law, it should be mentioned that the motion converter is only preferably implemented with the participation of joggers, which form a lever mechanism. However, such an embodiment is not the only possibility. As equivalent from the point of view of patent law, it is also conceivable that the motion converter is implemented with the participation of a stainless steel cable and a deflection pulley, which reverses the direction in which the cable exerts the traction and thus activates the active drive pin.

In the case of an elevator, the cabin door is as a rule the door that is operated directly and with it the first door in the sense of the claim. As a general rule, box doors do not have their own drive and therefore represent in each case the second door in the sense described in this document. Each of the box doors is not operated directly, but is dragged through the cabin door, as soon as the cabin has reached the stop site, and now the doors must open together.

Naturally, both the first and the second door may in each case consist of a single door panel or several door panels, which are opened either by the center or by the side.

Within the framework of a preferred embodiment, it is provided that two basculators are mounted on the base support, which are in each case articulated on one of its sides to the active drive pin, which presses the second door in the closing direction, and that they are articulated in each case on their other side to the support of the dragging pin. Due to their special articulation, the joggers generate an inversion of the direction of movement on the side of the articulated drag pattern.

If necessary, they can also be used for multiplication, that is, their two arms that extend away from their approximately central bearing are dimensioned with a length such that the articulated drag is moved with a speed in relation to the base support, the magnitude of which is not identical to the magnitude of the relative velocity between the base support and the drag pin holder. For this reason, within the framework of a preferred embodiment it is provided that the separation between the central point of the central jogger bearing and the central point of a jogger bearing, with which the base support is articulated to the jogger in question , is less than the separation between the central point of the central jogger bearing and the central point of the other jogger bearing, with which the active drive pin is articulated to the jogger.

Regardless of this, another preferred embodiment provides that the axes of rotation of the contact rollers are at a different distance from the axis of rotation of the box door lock element bearing, so that the lever arm, with that the horizontal force applied by the second drive pin acts with respect to the box door lock element bearing, is greater than the lever arm, with which the horizontal force applied by the first active drive pin acts with with respect to the box door lock element bearing. Also in this regard, it can be ensured that said horizontal forces do not neutralize each other, but instead a resulting one, which presses the box door in the direction of closure.

Preferably, at least the active drive pin is formed by two pieces and consists of a base plate body, which is directly coupled with the motion converter, and a body pressure body, which is elastically connected to the body. patfn base. In this regard, the at least one spring preferably allows an adjustment at the factory or in the construction of the force with which the active drive pin acts on the second door. This double piece of the drag pin allows, with the help of the immovable pin press body in relation to the contact roller in question or with the contact element in question, to act along the necessary duration of time with a certain force over the cabin door or its contact roller, although the base plate body also moves in relation to the contact roller or the contact element.

Preferably, the second drive pin is fastened with the aid of a guide to the drive pin holder, which only enables a relative movement in a straight line between the second drive pin and the drive pin holder. In this sense, it is preferably provided that the second drive pin with the help of a spring bears with respect to the drive pin holder. Ideally, the trailing pin in question has oblong holes, through which, with the help of stems that are attached thereto, it is fastened to the trailing pin holder. This second drive pin is not generally coupled with the joggers that drive the other drive pin.

Preferably, the first and second trailing pins are not forcedly coupled from the cinematic point of view. That is, the movement of the first dragging board as such does not lead directly to the second dragging wheel also moving. Rather, the second drag pad remains in its position in

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relationship with the support of the dragging pin, until it is not forced to deviate due to an obstacle.

That is, ideally, the first of the drag skates is driven by the linear drive, while the second drag skate does not act on its own, but is a passive component, which does not perform a relative movement with respect to to the drag pad support until the moment it hits an obstacle.

Within the framework of a preferred embodiment, it is provided that the device comprises an actuation element for releasing and preferably also for closing the blocking element of the first door, which is ideally implemented in the form of a pivoting lever, through from which the second drag pin taking advantage of its relative movement with respect to the drag pin holder exerts a force on the locking element of the first door, which releases it against the action of a spring that pretends it in the direction of closing. In the case of the first locking element, it is in particular the cabin door locking element.

Preferably, the base support and / or the door associated therewith is provided with a fastening element, which holds it in its closed position until the drag-out support has reached its second position with respect to the base support. at the end, it now stops with the base support and then drags it and exceeds the clamping force of the clamping element. The clamping element is conveniently configured as an adherent magnet. The adherent magnet is fixed to the base support or to a corresponding door panel. Naturally, a kinematic inversion is also possible, in the sense that the magnet is fixed to the complementary component and the base plate or the corresponding door only carries the soft magnetic contact plate, which interacts with the adherent magnet.

Preferably, the base support and / or the drag pin holder are provided with a (additional) clamping unit in particular in the form of an adherent magnet, which during a second opening phase holds the base support and the support drag pad so that both move together, without relative movement between them. In this respect, the adherent magnet may be fixed either to the drag-bearing support or to the base support.

Advantageously, the device has two safety contacts operating separately on the first door, specifically a first safety contact, with the help of which the door lock element is properly closed, and a second safety contact, with whose help help is monitored if the first door is completely closed. The incorporation of this type of two safety contacts is advantageous precisely when the door lock element represents a cabin door lock element and is configured in such a way that, regardless of whether the cabin is in the area of a site Stop or not, allows sliding the cabin door up to 30 mm manually. If such a sliding opening occurs improperly in normal operation, for example, the installation can be stopped as soon as the corresponding safety contact signals an unauthorized sliding opening of the cabin door.

Within the framework of an advantageous improvement, it is provided that the device is equipped with a door lock element or cabin door lock element, which with the aid of oblong holes is attached to a base support such that the door of cabin, in the case of a cabin stop outside its planned stop sites, it can be opened by sliding manually a little (up to 30 mm), without releasing the cabin door locking element. In this regard, a guide roller is preferably present, on which the cabin door locking element at least temporarily rolls and thus contributing to determine the evolution of the movement performed by the cabin door locking element to the release and / or close again. A guide roller of this type can predetermine in a relatively precise manner, together with a spring that presses the cabin door locking element in the direction of closure and the oblong holes, which movement makes the cabin door locking element during opening and closing, without the cabin door locking element being immobilized so much that the ability to slide a gap in the cabin door is lost by sliding regardless of the momentary position of the cabin manually or with a corresponding tool, without releasing the cabin door lock element.

A further independent aspect of the invention is the use of a linear drive according to claim 15.

Modes of operation, possibilities of configuration and additional advantages of the invention result from the example of embodiment of the invention explained below by means of the figures.

Figure 1 shows an example of embodiment of the invention during the first phase of movement at a time, in which the linear drive has just begun to move in the direction of opening.

Figure 2 shows the example of embodiment shown by Figure 1 during the first phase of movement at a time, in which the linear drive has already moved more in the direction of opening.

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Figure 3 shows the embodiment according to Figure 1 during the first phase of movement, the linear drive having moved even more in the direction of opening.

Figure 4 shows the exemplary embodiment shown by Figure 1 in the second phase of movement, in which the base support 2 and the drag pin holder 3 move together in the direction of opening.

Figure 5 to Figure 7 show a sequence of images of the exemplary embodiment shown by Figure 1, from which it can be deduced as the cabin door locking element upon closing the cabin door again engages with its trigger element lock.

Figure 8 and Figure 9 show a sequence of images of how the device behaves according to the invention according to Figure 1 when opening the cabin door manually, when the cabin is outside a stopping site.

Figure 10 shows an image of how the device behaves according to the invention according to Figure 1 when opening the cabin door manually, when the cabin is in a stopping place.

Figure 11 shows an enlargement of a fragment, illustrating the different lever arms H1 and H2.

Figure 2 * is identical to Figure 2, however in this case the carrier 3 of drag pattern is represented in a dark tone, in order to better recognize it.

Figure 2 ** is identical to Figure 2, however in this case the box door lock element 11 is represented in a dark tone, in order to better recognize it.

First of all, the opening movement in construction according to the invention takes place in two phases. Logically the same applies to the closing movement. In a first opening phase, the base support 2 and the drag pin holder 3 move relative to each other, taking advantage of this relative movement to implement the effect according to the invention. The movement of these two components in relation to the other is a translational movement, that is, none of the components involved makes a rotational movement around itself. In a second opening phase, the base support 2 and the drag pin holder 3 move together as a unitary component, as a straight line translation.

Figure 1 shows the device in an instant image, which represents a moment in which the door drive has just been set in motion in the opening direction. However, both the cabin door and the box door as such are still completely closed at that moment. The drag board support 3 has already moved along the path A with respect to the base support 2 and therefore has abandoned its so-called first end position with respect to the base support 2, in which the skate support The carrier preferably keeps the second cabin door safety contact 16 closed.

The device consists of a base support 2, which is fixed in the cabin door or in its carriage 23. In exceptional cases, which are mentioned herein for patent law reasons, the base support can be an integral part. of the cabin door, which however will happen very rarely.

The device further comprises a carrier pin 3 and a first carrier 4a as well as a second carrier 4b. The drag board support 3 is directly connected to the belt 8, which in this exemplary embodiment implements the linear drive in a known manner, with the aid of the first door, configured as a sliding door, in which case it is treated as a rule general of the cabin door, it opens and closes again. Therefore, the drag pin holder 3 moves directly from side to side along the belt 8 in a horizontal direction (see arrow H in Figure 1), depending on whether the drive that circulates the belt is prepared to Open or close the door.

The carrier base support 2, preferably in the area laterally next to both drag skates 4a, 4b, two joggers 7, which are pivotally attached thereto through its central jogger bearing 9a. One end of each of the joggers is connected in each case through a jogger bearing 9b pivotally with the carrier 3 of the drive pin. The other end of each of the joggers is connected through a jogger bearing 9c pivotally with the first drive pin 4a, which is referred to herein as "active drive pin". This drag pin preferably consists of a pad base 5 body and a pad press body 6 elastically connected thereto, as shown in Figure 1 by way of example. The aforementioned jogger bearing 9c is then articulated in each case to the base 5 of the base.

The carrier pin holder 3 also carries a second carrier pin 4b. This second drag pin 4b is attached to the drag pin holder 3 so that it can be moved as a translation and preferably straight line translation in relation thereto, in the horizontal direction marked in Figure 1 with the arrow H. This second drag 4b does not act on its own, it is rather passive and moves only in relation to

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the drag skate support, when it collides with another component and this prevents it from continuing to follow the drag skate support.

It should be mentioned that the drag skates 4a and 4b, unlike most of the drag skates known to date, in the construction according to the invention are not directly connected to each other from the cinematic point of view. Therefore, it is not mandatory for them to perform the same or a comparable movement, which differentiates them from the known drag skates, which are both mounted together on two pivoting levers. Rather, the movement of the first drag pin 4a is determined by the movement of the joggers 7. The movement of the second drag pin 4b is determined by the second contact roller 22, against which the second skate rests at some point. 4b drag. In other words, it can be said that a movement of the first drag pin 4a in relation to the drag pin holder 3 does not always also force a simultaneous movement of the second drag pin 4b in relation to the drag pin holder 3.

In FIG. 1, the box door lock element 11 can also be well recognized, which is fixed in the box door so that it can rotate around the center point of the box door lock element bearing 51. The box door locking element carries the first contact roller 21 and the second contact roller 22, through which the drag skates 4a, 4b unlock the box door and then force the box door to be made. the movement of the cabin door. The use of contact rollers is described herein by way of example only, since the use of contact rollers has the advantage that friction is minimized with respect to drag skates. However, a first and a second contact pin can also be used. The non-rotating contact pins can also interact with the skates without invalidating the invention.

It is noteworthy that the axes of rotation of the contact rollers 21 and 22 are at a different distance from the axis of rotation of the housing door lock element bearing 51, so that the lever arm H2, with which the horizontal force applied by the second drag pin 4b acts with respect to the box door lock element bearing, is greater than the lever arm H1, with which the horizontal force applied by the first drag pin 4a acts with respect to to the box door lock element bearing. In this regard, reference is made to Figure 11, which illustrates what is referred to in this case.

The contact bridge 12 of a box door safety switch, which closes a safety circuit, is associated with the box door lock element 11, as soon as the box door lock element 11 is in the position in the one that properly locks the box door (the real box door security switch, which forms the piece that is antagonistic to the contact bridge 12, which is fixed in the box door lock element, is not shown in the figures) .

In addition, the cabin door locking element 13 can be recognized, which is actuated through the pivoting lever 14 in a manner described in more detail below by the second drive pin 4b.

Otherwise, a first cabin door safety contact 15 is provided. This closes a safety circuit, as long as the cabin door lock element 13 is in the properly closed position. In addition, a second cabin door safety contact 16 is preferably present. This closes a safety circuit associated therewith regardless of the first cabin door safety contact 15 only when the carrier 3 is in the position, which must be adopted as intended, when both the cabin door and The device for actuating both doors are both in their full closing position.

In the representation, which shows figure 1, the second cabin door safety contact 16 is already open, because figure 1 shows an instant image of an instant in which the door drive has just been started in the direction of opening and therefore the carrier 3 of the drag guide has already dragged the path A in the direction of opening (arrow "OPEN") (but without having already opened the cabin door or the box door as such, since both of these doors are at the moment shown in figure 1, even in its completely closed position).

The decisive question is that the base support 2 in the states shown by figure 1, figure 2 and figure 3, is held by a first fastening means, which is preferably implemented by the first adherent magnet 17 and the first plate 18 of contact acting with it. Therefore, the base support 2 may not move in this first opening phase shown by Figure 1 to Figure 3 in the direction of opening (arrow "OPEN"). Regardless of the fact that the base support 2 in this way is still immobilized in the state shown in Figure 1, the drag-bearing support 3 driven by the belt 8 moves in the opening direction (arrow "OPEN") . It is this relative movement that is used to achieve the effect according to the invention.

The invention is also particularly characterized in that the first fastening means makes it possible to switch the drive after the complete closing of the cabin door to a state without current, without the cabin door being

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open or open unwantedly. Therefore, with respect to the constructions known to date, the need to have to supply power to the drive permanently to keep the door closed is eliminated, which saves energy considerably.

This relative movement that has just been mentioned is possible, given that the carrier 3 of the drive pin is held in the manner illustrated above with the aid of the joggers 7 in a relatively mobile manner with respect to the base support 2. The joggers 7 both perform a rotational movement clockwise in the direction of the arrow S, so that their upper jogger bearing 9b, which determines the position of the drive pin 3, essentially travels in the direction of opening. In this way, the drag pin holder 3 can carry out a translation movement in the opening direction ("OPEN" arrow) despite the immobilization of the base support 2, while the first drag pin 4a performs a movement of translation in the direction of closing.

Figure 2 shows an instant image, showing a state somewhat later than that of Figure 1.

In the meantime, the drag pin holder 3 has moved even more in the direction of opening, therefore the separation A has increased somewhat, compared to the separation A, shown in figure 1. The support 2 of The base continues to remain in its original position, so naturally the separation B or the location of the base support 2 and the carrier 3 of the drag pattern in relation to the other has varied. Due to this, the joggers have turned a little more clockwise and the first dragging track 4a articulated to them has continued moving in the closing direction (arrow "CLOSE"), so that the first dragging wheel 4a has already a good section has been approximated to the first contact roller 21. Therefore, the movement of movement, which advances in the direction of opening, of the carrier 3 of the drag pattern is transformed in this state into a movement of movement that advances in the direction of closure of the first pattern of drag 4a. By means of the appropriate choice of the separation that both jog bearings 9b and 9c adopt with respect to the central jogger bearing 9a, it can already be adjusted in the construction at which instant the first drag pin 4a first comes into contact with the first roller 21 of contact and thereby exerts a force in the direction of closure (arrow "CLOSE") on it. This adjustment can take place regardless of the movement of the second drag pattern 4b.

In a corresponding preferred configuration of the construction it can be ensured that the first drive pin 4a temporarily presses with greater force on the first contact roller 21 than the force, with which the second drive pin presses on the second contact roller 22 associated to it.

In this way, the box door is pressed through the first drag pin 4a for a moment in the closing direction, although the drag pin holder 3 already moves continuously in the opening direction.

In this way, the box door lock element 11 is discharged and can be released without any problems from both drag skates 4a and 4b, by pressing both drag skates 4a and 4b the first contact roller 21 and the second contact roller 22 between sf and thus giving the door door lock element 11 a rotating movement, in this case counterclockwise.

Even while the drag skates 4a and 4b are prepared to confer to the box door lock element 11 the necessary rotational movement, the second drag pin 4b deflects in the direction of closing, when moving in relation to the support 3 of drag pin, therefore the second drag pin allows the box door to be pressed in the direction of closing.

The two-part configuration provided preferably of the first drag 4a, which in this case consists of a base 5 of the base and a body 6 of pressure, contributes to the operation of the construction, since this configuration allows the body 5 Skate base move under the influence of the joggers 7 also in the closing direction (arrow "CLOSE"), although the pinfn pressure body 6 is already in contact with the first contact roller 21. Since the base plate body 5 and the body pressure body 6 are connected to each other through a spring or several springs not shown in the figures, in this way it becomes possible, with the help of the body pressure body 6 , apply a defined force on the first contact roller 21 in the closing direction ("CLOSE" arrow), without preventing the additional movement of the base plate body 5, which is forcedly operated by the joggers 7.

Quite the opposite; since preferably also the second drag pin 4b is secured with respect to the drag skate support with the help of at least one spring, the builder or, if necessary, the maintenance installer can adjust exactly through the choice of the springs, as large is the differential force, with which the box door, in the phase in which its box door lock element is released, is pressed in the direction of closure.

Figure 2 * is identical to Figure 2. Figure 2 * serves to clarify the situation of the base support 2 and the drag support 3.

The drag pad holder that is in front of the drawing plane, and therefore almost hidden

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completely the base support 2a that is behind, is represented in figure 2 * in dark tone. It is a preferably one-piece component, which in the ideal case consists of a single sheet.

Figure 2 ** shows again the same as Figure 2, however now the box door lock element 11 is shown in a dark tone.

In this context it should also be noted that the box door lock element 11 and the components carried therein, in particular the contact rollers 20 and 21, can only be seen in all the figures, because from their position above the plane of the viewer-oriented drawing have been projected onto it, in order to show the interaction of all the components of the entire device (in fact the contact rollers 20, 21 from a position, which is above the plane of the drawing, they are hooked down in the gap between the first and second drag patterns).

Figure 3 shows an instant image in a state clearly subsequent to that of Figure 2.

The drag pin holder 3 continues to move in the opening direction, see separation A while the base support 2 still remains in its original position.

Powered by the pivoting movement that continues to advance in a clockwise direction of the joggers 7, the first dragging wheel 4a also moves in the closing direction, while the second dragging wheel also now deflects in the closing direction. The torque exerted by the drag skates on the contact rollers 21, 22 pressed between them for such a long time that it has such a large magnitude that the action of releasing the box door locking element by pivoting in direction counterclockwise has already advanced a lot, the pivoting movement is shortly before its completion.

Therefore, Figure 3 shows an instant image in which the first phase of opening is shortly before completion.

The drag plate holder 3 has a stop 10. This stop 10 is formed in the embodiment shown by the figures preferably by a lobe of folded sheet approximately 90 degrees.

The first opening phase ends at the moment when the second drag pin 4b rests on this stop 10. Now it can transmit all the force of the drag pad holder 3 in the opening direction (arrow "OPEN") to the box door and can no longer deviate. At the same time, the relative movement of the drag board support 3 with respect to the base support 2 comes to an end, since the drag board support 3 rests against a stop not shown in this case in the support 2 of base and thus has reached its second end position with respect to the base support 2. In this way, it forces the base support 2 by exceeding the clamping force of the clamping means or of the first adherent magnet 17 to move synchronously with the carrier 3 of the drive pin in the opening direction.

This initiates the second opening phase shown in Figure 4, in which the carrier 3 and the base support 2 move as a single piece component together in the direction of opening (arrow "OPEN") , holding the first contact roller 21 and the second contact roller 22 essentially without play between the drag skates 4a and 4b, so that the box door is at least practically coupled without play to the cabin door and follows its movements .

Preferably a second fastening means is provided, which is ideally materialized by the second adherent magnet 19 and the second contact plate 20. The second fastening means ensures that the drag pin holder 3 and the base support 2 during the second opening phase and the corresponding closing phase do not accidentally slide in relation to each other, but move together from the planned manner, as a single component, as necessary. At the same time, this ensures that the skates remain in the closed position.

In particular, the comparison between FIG. 2 and FIG. 3 makes it possible to recognize how the action of releasing the cabin door lock element 13 takes place.

The cabin door lock element 13 has two oblong holes 25, the function of which will now be explained in more detail. An axial pin 26 is engaged in one of its oblong holes 25, which forms a pivotal bearing for the cabin door locking element 13, allowing this pivoting bearing if necessary a translational movement of the cabin door locking element. In addition, the cabin door locking element 13 is movably connected with a pivoting lever 14, which engages through a pin 27 in the other oblong hole 25 of the cabin door locking element. The cabin door lock element is elastically pressed by means of the at least one spring 24 of the cabin door lock element. The prestressing force acts in this embodiment in essentially horizontal direction with the tendency to pull the cabin door locking element to the right. Additionally, a guide roller 52 of cabin door locking element is present, against which it rolls at least

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temporarily a flank of the cabin door lock element under the influence of the oblong hole support and the spring 24 of the cabin door lock element and which in this respect also influences the pivoting movement of the cabin door lock element . The pivoting lever 14 is in turn pivotally articulated in the drive pin 3, which preferably has a small bearing projection, which projects laterally from the stop 10.

The end of the pivoting lever 14 directed in the opposite direction to the cabin door lock element 13 is engaged by a recess through the stop 10 and rests against the rear side of the second drive pin 4b.

As soon as there is a relative movement between the second drag pin 4b and the drag pin holder 3, in the sense that the rear side of the second drag pin 4b is getting closer and closer to the stop 10 of the support bracket 3 drag pin, the rear side of the second drag pin 4b exerts a force and thereby a torque on the pivoting lever 14. In the exemplary embodiment shown by Figure 2 and Figure 3, this torque acts counterclockwise. Thus, the pivoting lever 14 rotates counterclockwise and thereby releases the cabin door lock element 13 against the prestressing acting in the direction of closing of the cabin door lock element spring 24.

Figure 5 to Figure 7 explain how the cabin door lock element 13 is closed again when the cabin door is closed.

Starting with figure 5, the evolution of the closing movement that moves from right to left is shown, which occurs until the closing operation has almost completely finished, which is represented in figure 7.

As a reminder it is indicated once again that the cabin door locking element is held through an axial pin 26, which is engaged in one of its oblong holes 25, and with the help of the spring 24 of the door locking element of cabin to base stand 2. The pivoting lever 14 acting together with it is fixed with the help of the axial pin 27 pivotally in the carrier pin 3 and therefore is forced to move essentially therewith.

As can be seen when comparing Fig. 5 and Fig. 6, the pivoting lever 14 essentially slides first in translation with respect to the cabin door lock element 13 and thereby already moves the cabin door lock element A little towards its closing position.

As can be seen when comparing Figure 6 and Figure 7, the drag pin 4b slides at the end of the closing movement in relation to the base support 2 in the direction of opening (arrow "OPEN"), so that the pivoting lever 14 in the position, with which it is supported on the drag pin 4b, can move momentarily in the direction of the arrow P2, which in general results in a pivotal movement of the pivoting lever clockwise in the direction of arrow D1. As a consequence, the cabin door locking element engages with the locking element trigger associated therewith.

Figure 8 and Figure 9 illustrate that the cabin door in the case of an interruption of operation, which causes the cabin to stop outside a regular stopping site, a certain small measure can be opened, the blocking element 13 remaining of the door of the cabin, however, closed and thus preventing an opening due to the complete, inadmissible sliding of the cabin door.

Figure 8 shows an instant image of an instant in which the cabin door has just begun to slide open, while Figure 9 shows an instant image of that moment in which the manual sliding opening of the cabin door It has come to an end and the cabin door can no longer be opened by sliding.

As can be seen thanks to the comparison of figure 8 and figure 9, the cabin door can be opened by sliding slightly (in the direction of the arrow "OPEN"), because the cabin door locking element is connected with the base support 2 that holds it and the pivoting lever 14 that only drives it through the oblong holes 25 and at least only through the spring 24 of the cabin door locking element, so that for a time it can make a relative movement with respect to the base support 2 that holds it.

This has as a consequence that the person who in this state slides the door manually or with a tool in the opening direction, exceeds the clamping force of the first adherent magnet 17 and then moves the base support 2 and the base plate support 3 drag along with the cabin door leaves. In this regard, the cabin door locking element itself essentially does not move, remains engaged with the door trigger associated therewith. However, in the first place it does not essentially oppose resistance to the movement of the base support, of the drag-and-slide support and, ultimately, also to the movement of the door leaves, given that the pin 26 which fixes it in the base support and the spike, through which the pivoting lever 14 is engaged with the cabin door locking element, slide along the

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25 oblong holes. In this way, the base support and the drag pin holder can move for the most part without obstacles in relation to the cabin door locking element, when the spring 24 of the cabin door locking element is tensioned.

As can be seen from Figure 9, at least one of said pins, however, reaches after some time the end of its oblong hole and abuts it. Now the cabin door can no longer be opened by sliding.

This "limited" sliding opening works because the second drag 4b whenever the cabin is outside a stopping place, does not move in relation to the drag skid support until the door lock element 13 of Cab locks the opening by additional sliding. Since the drag pin does not move in relation to the drag pin holder, it also does not press with its rear side on the pivoting lever 14, so that it is forced to make a counterclockwise movement and thus release the cabin door lock element. In this sense, the person responsible for the absence of relative movement of the second dragging pad 4b is the fact that whenever the cabin is outside a stopping place and therefore is not aligned with a box door, no contact roller It is located in the zone of action of the second drag pin 4b, which could force a movement of the second drag pin in relation to the drag pin holder that leads to the actuation of the pivoting lever.

Figure 10 shows the relationships established when the cabin door is opened by sliding, when the cabin is at a stop site and is aligned at least approximately with a box door.

When the cabin door is pressed out of such a position of the cabin, then the second drive pin rests immediately on the second contact roller 22 of the box door and is thus forced to perform, in the course of of the additional joint movement of the drag pin holder 3 and the base support 2, a relative movement with respect to the drag pin holder, so that in this embodiment example it gets closer and closer to the stop 10. In this way the pivoting lever 14 is forced to make a counterclockwise rotation that disengages the cabin door locking element and its locking element trigger.

Finally, in a very general way the following should be indicated:

Regardless of what is included in the claims, the protection for a device for actuating and blocking elevator doors essentially arranged one behind the other in the direction of passage, such as a cabin door and a box door, is also claimed. comprising sliding skates 4a, 4b fixed to a first door, whose separation with respect to each other can be varied to couple the first door to the second door and to slide both doors together, and which is coupled with a linear drive that it moves the doors in a direction of opening or closing, driving the linear drive through a movement converter at least one of the drag skates and the coupling being such that the linear drive, while moving in the direction of opening, in a first phase it drives the at least one dragging pin, without being coupled to the first door and moving it, and in a second phase it is a coupled to the first and second doors and moves both doors in the opening direction.

Regardless of what is included in the claims, the protection for a device for actuating and blocking elevator doors essentially arranged one behind the other in the direction of passage, such as a cabin door and a box door, is also claimed. comprising drag skates fixed to a first door, whose separation with respect to each other can be varied to couple the first door to the second door and be able to slide both doors together, and which is coupled with a linear drive that moves the doors in a direction of opening or closing, the claimed device comprising a base support and a drag pin holder, the drag pin support being mounted with respect to the base support so that during the opening operation it can move in translation, it is dear without turning around itself, between a first and a second end position in relation to e l base stand.

Regardless of what is included in the claims, the protection for a device for actuating and blocking elevator doors essentially arranged one behind the other in the direction of passage, such as a cabin door and a box door, is also claimed. comprising a base support and a drag pin holder that can move temporarily in relation thereto between a first and second end position, a clamping unit being provided that acts temporarily, ideally in the form of at least one adherent magnet, which immobilizes the base support so that the drag pin holder can move between its first and second end position in relation to the base support, without causing the base support to move, and being optionally present at least one additional clamping unit, ideally in the form of at least one additional adherent magnet, which fixes the drag pin holder and the b bracket grab one of the end positions with each other, so that they move together in the course of the additional opening operation and make a movement relative to each other.

Regardless of what is included in the claims, protection for a device is also claimed

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for actuation and blocking of elevator doors arranged essentially one behind the other in the direction of passage, such as a cabin door and a box door, comprising an actuation element, preferably in the form of a pivoting lever, a through which the second drive pin (preferably with its rear side) exerts a force on the locking element of the first door, which releases it against the action of a spring that presses it in the direction of closure, being treated in the case of the first particular locking element of the cabin door locking element 13.

Regardless of what is included in the claims, the protection for a device for actuating and blocking elevator doors essentially arranged one behind the other in the direction of passage, such as a cabin door and a box door, is also claimed. which is equipped with a cabin door locking element, which with the aid of oblong holes and, if necessary, a spring of the cabin door locking element is attached to a base support so that the cabin door, in the In case of a cab stop outside its planned stop sites, it can be opened by sliding manually a little (up to 30 mm), without releasing the cabin door locking element.

Regardless of what is included in the claims, protection for a device is also claimed, in which the separation between the central point of the central jogger bearing and the central point of a jogger bearing, with which the base support is articulated to the jogger in question, it is less than the separation between the central point of the central jogger bearing and the central point of the other jogger bearing, with which the active drive pin is articulated to the jogger, the relationships preferably being at the same time that the axes of rotation of the contact rollers are at a different distance from the axis of rotation of the box door lock element bearing, so that the lever arm, with which the horizontal force applied by the second leg of drag acting with respect to the bearing of the box door lock element, is greater than the lever arm, with which the horizontal force applied a for the first drive pin acting with respect to the box door lock element bearing.

Regardless of what is included in the claims, the protection for the use of the linear drive for the direct drive of only one of two drag skates is also claimed.

All these independent variants also claim protection in combination with the additional features set forth in the description and / or the claims.

List of reference symbols

1 device for synchronous actuation and blocking of elevator doors

2 base stand

3 drag pad holder

4th first drag pad

4b second drag pad

5 patfn base body

6 patfn pressure body

7 joggers

8 strap

9th central jogger bearing

9b jogger bearing

9c jogger bearing

10 bumper

11 box door lock element

12 contact jumper of the box door safety switch

13 cabin door lock element

14 pivot lever

15 first cabin door safety contact

16 second cabin door safety contact

17 first adherent magnet

18 first contact plate

19 second adherent magnet

20 second contact plate

21 first contact roller

22 second contact roller

23 car

24 cab door lock element spring

25 oblong holes in the cabin door lock element

26 axial pin of the cabin door locking element

27 axial pin of the pivoting lever for connection with the door locking element 13

50 axial pin of the pivoting lever for connection with the drag pin holder

51 box door lock element bearing

52

S

OPEN CLOSE 5 H P1

P2

10 H1 H2 D1

guide roller for the cabin door locking element pivot arrow symbolizing the rotation of the joggers 7 arrow symbolizing the direction of opening arrow symbolizing the direction of closing arrow symbolizing the horizontal direction

arrow symbolizing the movement of movement performed by the pivoting lever 14 in the course of the closing movement with respect to the cabin door locking element 13 arrow symbolizing the movement of the pivoting lever 14 at the point where it rests on the rear side of the dragging pin that drives

first lever arm, in which a horizontal force of the first drag pin acts second lever arm, in which a horizontal force of the second drag pin rotates, which performs the pivoting lever as a consequence of its movement at the point which symbolizes P2

Claims (14)

10 15 2. twenty 3. 25 Four. 30 35 40 5. Four. Five 6. fifty 7. 55 8. 60 Device (1) for the synchronous actuation and blocking of elevator doors arranged essentially one behind the other in the direction of passage, such as a cabin door and a box door, the device comprising roller skates (4a, 4b) fixed to a first door, whose separation with respect to each other can be varied to couple the first door to the second door and be able to slide both doors together, and the device being coupled with a linear drive that moves the doors in a direction of opening or closing and by actuating the linear drive through a motion converter also at least one of the drag skates (4a), characterized in that the motion converter is configured such that said drag pin (4a) presses the second door during its unlocking at least temporarily in the closing direction so that the locking element that keeps the sec A door, although the linear drive itself already moves in the opening direction. Device according to claim 1, characterized in that the movement converter consists of a base support (2) fixed to the first door or integrated therein and a carrier (3) of a drive pin driven directly by the linear drive, being subject the carrier bracket (3) for dragging to the base support (2) in such a way that it can move with respect to the base support (2) between a first and a second end position and this offset of the skate holder (3) with respect to the base support (2), it is used to move said active drag (4a) in such a way that it presses the second door temporarily in the closing direction, although the linear drive itself already moves in the direction of opening. Device according to one of the preceding claims, characterized in that two basculators (7) are mounted on the base support (2), which are articulated in each case on one of its sides to the active drive pin (4a), which presses the second door in the direction of closure, and which are articulated in each case on its other side to the support (3) of drag skid. Device according to one of the preceding claims, characterized in that the separation between the central point of the central jogger bearing (9a) and the central point of the jogger bearing (9b), with which the base support (2) is articulated to the jogger (7), is less than the separation between the central point of the central jogger bearing (9a) and the central point of the jogger bearing (9c), with which the active drive pin (4a) is articulated to the jogger (7 ); preferably being such that the axes of rotation of the contact rollers (21, 22) are at a different distance from the axis of rotation of the bearing (51) of the box door locking element, so that the arm ( H2) of lever, with which the horizontal force applied by the second drive pinfn (4b) acts with respect to the bearing (51) of box door locking element, is greater than the lever arm (H1), with that the horizontal force applied by the first drive pin (4a) acts with respect to the box door lock element bearing (51). Device according to one of the preceding claims, characterized in that at least the active drive pin (4a) is formed by two pieces and consists of a body (5) of a skate base, which is directly coupled with the motion converter, and a body (6) pressure plate, which is elastically connected to the base body (5), allowing the at least one spring an adjustment of the force with which the drag pin (4a) acts on the second door . Device according to one of the preceding claims, characterized in that the second drive pin (4b) is fastened with a guide to the support (3) of the drive pin, which only enables a relative movement in a straight line between the second pad (4b) ) of drag and the support (3) of dragging pin, preferably being provided that the second dragging pin (4b) is supported by means of a spring with respect to the support (3) of dragging pin. Device according to one of the preceding claims, characterized in that the force exerted by the active drive pin (4a) in the direction of closure on the second door, at least in the phase in which the blocking element of the second begins to release door, is greater than the force that the other drag (4b) exerts in the opposite direction on the second door, so that a resulting force is obtained that presses the second door in the direction of closure. Device according to one of the preceding claims, characterized in that the first and the second drive pin (4a, 4b) are not forcedly coupled from the cinematic point of view. Device according to one of the preceding claims, characterized in that only the first of the drag skates (4a) is driven by the linear drive, while the second drag skate (4b) is not operated by itself, but is a passive component, which does not perform a relative movement 65 with respect to the carrier (3) of the drag pattern until the moment in which it collides with a obstacle. 10 fifteen twenty 25 30 35 40 Device according to one of the preceding claims, characterized in that the device comprises an actuation element, preferably in the form of a pivoting lever (14), through which the second drive pin (4b) taking advantage of its relative movement with respect to the support (3) of dragging pin exerts a force on the blocking element of the first door, which releases it against the action of a spring (24) that pretends it in the direction of closing, being treated in the case of the first particular blocking element of the cabin door blocking element (13). Device according to one of the preceding claims, characterized in that the base support (2) and / or the door associated therewith is provided with or acts together with a clamping unit, in particular in the form of a magnet (17) adherent, which keeps the door during a first opening phase in its closed position until the support (3) of the drag pin with respect to the base support (2) has reached its second end position and then drag the support (2 ) base and exceeds the clamping force of the clamping unit or the adherent magnet (17). 12. Device according to one of the preceding claims, characterized in that the base support (2) and / or the support (3) of the drag pin is provided with or acts together with a clamping unit, in particular in the form of a magnet ( 19) adherent, which during a second opening phase holds together the base support (2) and the support (3) of drag pattern, so that both move together, without a relative movement between them. 13. Device according to one of the preceding claims, characterized in that the device has two safety contacts operating separately on the first door, in particular in the form of cabin door safety contacts (15, 16), namely a first contact with whose help is monitored if the door lock element, in particular in the form of a cabin door lock element (13), is properly closed, and a second safety contact, with whose help it is monitored if the first door, in particular the cabin door, is completely closed. 14. Device according to one of the preceding claims, characterized in that the device is equipped with a cabin door locking element (13), which with the aid of oblong holes (25) is attached to a base support (2) of such so that the cabin door, in the case of a cabin stop outside its intended stop sites, can be opened by sliding manually a little, without releasing the cabin door lock element (13), preferably a guide roller (52), on which the cabin door locking element (13) at least temporarily rolls and thus contributing to determine the evolution of the movement performed by the cabin door blocking element (13) when released and / or closed again. 15. Use of a linear drive that drives the cabin door of an elevator and moves in the opening direction, at least in the phase in which a blocking element begins to be released, which serves to block the box doors With the help of skates dragging the cabin door generate a resulting force, which presses the box door still closed in the direction of closure.