ES2763853T3 - Open doors - Google Patents

Abstract

Door release with a housing (11) for mounting on a door (9) with a door frame (91) and a door leaf (92) movably mounted therein, in particular pivotally, with a door-release latch (12) movably housed in the housing (11), a remotely operable locking device and an interleaved gearbox (2) that is configured as a lever, or sliding guide, of one or more arms housed in the housing, and cooperates with the lock release latch (12) in such a way that the lock release latch (12) can be switched to a locking position and a release position, where it is provided that the locking equipment comprises a remotely operable actor (13) and an anchor (3) operable by it, which cooperates with the gearbox (2) so that it can be switched between a locked position, in which the gearbox (2) locks the lock release latch (12) and a position of release where the derailleur (2) releases the lock release latch (12), face cterized by the fact that between the anchor (3) and the gearbox (2) a force transmitting element (4) is arranged, which in the locking position is supported directly on the gearbox (2) and directly on the anchor (3) to lock gearbox (2), and wherein the force transmission element (4) is housed in a floating manner or in the anchor (3) or in the gearbox (2), the force transmission element (4) being configured as a solid pin (41), which is housed in a floating manner in an elongated hole (33), or wherein the force transmission element (4) is configured as a sleeve (43) and is housed in a floating manner in such a way that or the anchor (3) has a clamping mandrel (34) to accommodate the sleeve (43) or the gearbox (2) has a clamping mandrel to accommodate the sleeve (43) and the internal diameter of the sleeve (43) is larger than the outer diameter of the chuck (34).

Description

DESCRIPTION

Open doors

The invention relates to a door opener according to the characteristics of the preamble of claim 1.

In practice, the openers on the one hand must have high clamping forces and on the other hand must be able to be released with relatively little effort. DE 20 2010 002 544 U1 discloses a door opener for mounting on a door with a latch that cooperates with a change subjected to load by an anchor. The anchor has a roller that is arranged between anchor and change to minimize the friction forces that appear.

From AU 200066674 B2 a door opener is known whose anchorage has an arm with a pointed end that cooperates with a connector of a locking element. In this opener, by reducing the support surface between anchor and connector, the friction force must be minimized.

From US 4,056,277 a door opener is known which has a ball toggle which can be locked by a hinge lever joint to lock the door opener latch.

The present invention is based on the objective of creating a door opener which, in a reduced construction space, makes possible a high force transmission and, in this respect, presents a high operating safety.

This object is solved according to the invention by means of a door opener with the characteristics of claim 1. The door opener has a force transmitting element arranged between anchor and gear that in the locked position directly rests on the gear and directly on the anchor to lock the gearbox, and where the force transmission element is housed in a floating manner either in the anchor or in the gearbox. By the floating accommodation of the force transmission element or in the anchorage or in the change, this force transmission element is caused to move to the position at least in the release position or during or after a commutation of the locked position. release with respect to the anchor or with respect to the change. For example it can be provided that the force transmission element can move in the release position with respect to the anchor and / or with respect to the change. For this reason, on the one hand, friction forces are minimized when the opener is switched from the locked position to the released position and, on the other hand, by the possible deviation movement of the force transmission element, the necessary construction space is reduced since by means of the deviation of the force transmission element, the anchoring and changing construction elements can be placed with a very reduced distance from each other. In the locked position the force transmission element is fixed between anchor and gear so that high clamping forces can be transmitted through the force transmission element between anchor and gear. [

In particular, it is foreseen that the operator of the door opener is configured as an actor supplied with external energy. This may for example be an electromagnet, in particular a lifting electromagnet or a pulling magnet. The actor may comprise an electric coil, or a hydraulic actor or a pneumatic actor. The actor may also be configured as an electric motor. That it can be operated remotely means in this context that the actor or the door opener can be switched from a remote location. The opener connection can be made through a wired or wireless connection.

Preferably the force transmission element is arranged between anchor and change in such a way that it transmits most of the force between anchor and change that is necessary to lock the opener latch. Most of the force means a percentage of more than 50% of all the force. In one configuration the force transmission element can transmit all of the force between anchor and shift that is necessary to lock the door opener latch. That is to say, the change puts the anchor under load mainly or exclusively through the force transmission element or in the locked position the anchor does not touch the change.

By anchoring the opener it is meant an element that is movably housed in the opener housing that is housed or in the opener housing that is rotatable or linearly movable. The anchor can be configured as a one-arm or multi-arm lever or as a sliding guide. The anchor can be directly or indirectly loaded by the actuator to switch the opener from the release position to the locked position.

By change is meant a lever with one or more arms or a sliding guide that is housed so that it can move in the door opener housing and in the locked position blocks a movement of the door opener latch and in the released position releases a movement of the door opener latch.

By latch is meant a door opener latch that in the mounting situation cooperates with a latch latch to lock a door. The opener latch is housed in the opener housing in a movable manner, in particular in a pivoting and / or linearly movable manner. In the opener release position the opener latch can move. In the locked position the door opener latch is locked, i.e. it is fixed in the door opener housing.

In order to reduce the friction forces during the switching of the opener from the locked position to the released position, in particular that the force transmission element has a round external contour, preferably a round cross section. A deflection movement of the force transmission element is supported by the round outer contour.

In particular, provision can be made for the anchor to be housed in the housing in a linearly movable manner through a sliding bearing, or for the anchor to be housed in the housing through a pivot bearing. To pre-stress the anchor to a defined position, provision can be made for the anchor to be subjected to load by means of an anchor spring acting between the housing and the anchor in the direction towards the actor or in the direction opposite to the actor. In order to increase the functional safety of the door opener, in particular during the switching from the release position to the locked position, provision can be made for the force transmission element in the release position to be subjected to load by means of a spring or a magnet towards a central position. The central position of the force transmission element guarantees that the support between change and anchorage is carried out in the center as far as possible and therefore the transmission of force between anchorage and change is optimal. In particular, it may be provided that the anchor or the gearbox has a permanent magnet that requests the force transmission element in the direction of a central position. To guarantee the magnetic interaction, the force transmission element can have a magnetizable material or be made of a magnetizable material.

In one configuration, it is provided in particular that the actuator has an electric coil and is configured as an electromagnet, preferably that the actuator is configured as an electric lifting electromagnet with a pusher, or as an electric pulling magnet with a pusher and actuates the anchor through the pusher.

In a variant, provision can be made for the force transmission element to be arranged between anchoring and shifting in such a way that in the locked position the change mainly introduces tensile forces through the force transmission element in the anchorage, preferably when resting the force transmission element in the locked position on a shift surface away from the pivot bearing or sliding bearing of the anchor.

In an alternative variant, provision can be made, in particular, for the force transmission element to be arranged between anchor and transmission, such that, in the locked position, the transmission mainly introduces pressure forces through the force transmission element in the anchorage. preferably by resting the force transmission element in the locked position on a gear surface directed towards a pivot bearing or sliding bearing of the anchor.

In particular the force transmission element is arranged in such a way that the force transmission element is immobilized in the locked position between anchor and gear and is stationary with respect to the anchor and / or with respect to the gear.

In an advantageous configuration, the opener is provided with a working-current / quiescent switching. In this regard it can be provided in particular that the actuator or the coil can optionally be fixed in the housing in one of two coil positions offset from each other, a first coil position allowing a control of working current and allowing the second position coil a quiescent current control. In particular, the actuator or the coil in the housing may be movably accommodated and fixed by means of an interlock and / or by means of a screw.

For a current-work / quiescent current commutation it can be provided, for example, that the anchor can be commuted between three positions, the central position of these three positions blocking the change and releasing the two final positions the change in each case. Therefore, it is allowed that without having to carry out a constructive coupling in the opener, that is to say without having to remove or change a component, the opener can be switched between control of working current and quiescent current. In particular in this regard, provision is made for the coil to switch anchor in the first coil position only between the center position and the first end position and, in the second coil position to switch only between the center position and the second end position.

In a compact opener configuration, provision may be made for the change to have a notch with a particularly U-shaped opening that is arranged apart from a pivot bearing or sliding bearing of the anchor and engages the force transmission element in a final position and / or in release position in the notch of the change.

In order to guarantee a high force transmission in the case of a reduced space demand, the force transmission element is configured as a solid pin. It may preferably be configured as a steel pin. According to the invention, the solid pin is housed in a floating manner in an elongated hole. Through the elongated hole, on the one hand, a mechanically stable support of the force transmission element is guaranteed in a first direction and on the other hand a defined relative movement in a second direction. The solid pin forms, as it were, a needle bearing. The solid pin or the needle bearing allows the transmission of high transverse forces in case of relatively low friction forces.

It may be provided that the anchor has an elongated hole for receiving the solid pin or that the change has an elongated hole for receiving the solid pin. Central loading of the solid pin can be performed by magnetically loading the solid pin in the elongated hole.

According to the invention, the force transmission element is configured as a sleeve, preferably as a steel sleeve. The floating accommodation of the force transmission element can be ensured in this respect by providing, for example, that the anchor has a clamping mandrel to house the sleeve or that the change has a clamping mandrel to house the sleeve and the internal diameter of the sleeve is greater than the outside diameter of the chuck. Central loading of the sleeve can be performed when the clamping mandrel is configured as a permanent magnet.

In order to define the sleeve the area of movement unequivocally despite the floating housing it can be provided that the sleeve is housed between two planes, preferably that an anchor support forms the first plane and a house cover forms the second plane.

An application of the electric lock according to the invention can be carried out, for example, on building doors with high demands. For example the opener can be used on doors with a high swing weight, for example steel doors, as used in manufacturing. Also the opener according to the invention can be used in security doors that have a high security requirement.

Embodiment examples of the door opener according to the invention are described in the figures and the following description of figures. In this regard they show:

1 shows a schematic representation of the door opener according to the invention on a building door;

2 shows a representation of an embodiment of the door opener according to the invention with an open door opener housing;

Figures 3a-3c an enlargement of the fragment of Figure 2 in the area of the anchorage in different positions; Figures 4a-4c a second embodiment of the door opener according to the invention in different positions;

Figures 5a-5c a first exemplary embodiment of the anchorage of the opener of Figures 4a to 4c; FIG. 6a-6c shows a second exemplary embodiment of an anchor for the opener of FIGS. 4a to 4c.

In the additional figures the opener according to the invention 1 is partially shown in different configurations. The basic structure of the opener 1 is identical in each case in the individual embodiment examples. In the figures and the description of figures for the same components in each case the same reference signs are used.

Figure 1 shows a schematic representation of a building door 9. The building door 9 comprises a door frame 91 as well as a door leaf rotatably housed in the door frame 91 through hinge pins 92a and 92b . The door wing 93 has a latch 94. In order to pass through the door, the latch 94 can be opened through a latch 942 or a key. A lock latch 941 is housed in latch 94. In the area of the door frame 91 opposite the latch 94, the opener 1 is mounted. The opener 1 comprises a door opener housing 11 with a door opener latch 12 pivotally housed. In the closed position the bolt latch 941 engages in a latch housing space of the opener 1 and cooperates with the pivoting opener latch 12. The released opener latch 12 can freely pivot about its longitudinal axis. For this reason, it is possible to open the door leaf 93 also without actuating the latch. In this regard, the latch bolt 941 acts on a locking surface of the door opener latch 12 and pivots it in the door opening.

In case of a locked opener latch 12 it is fixed and cannot pivot. In the closing position of the door leaf, the bolt latch 941 cooperates with and rests on a pivoting latch locking surface. That is, the door leaf 93 is locked in its closed position by the opener latch and cannot be opened. Only after removal of the latch bolt 941 on the door latch, for example by actuating the latch or after releasing the opener latch 12, the door leaf 93 can be opened.

Figure 2 shows a three-dimensional representation of the opener 1 with the opener cover removed. In the opener housing 11 a latch 12 is pivotally housed. The latch 12 has a latch base on which a threaded piece can be screwed by means of screws 12a, 12b. Latch 12 cooperates with a door opener 2.

For the opener 1 shown in Figures 1 to 6c, the following is true: by swinging the opener latch 12, it loads the gearbox 2. The gearbox 2 is rotatably housed through the axis of rotation 23 in the housing door opener 11. In the release position the opener latch 12 pivots the shift 2 about this axis of rotation. In the locked position, shift 2 is locked against the pivot. In other words, the latch 12 is also locked since it is supported by gear 2.

To switch the opener 1, it has a locking device that includes an anchor 3, a remote actuator 13. At the end of the shift 2 away from the axis of rotation 23 this shift 2 cooperates with the anchor 3 through a force transmitting element 4. The force transmitting element 4 transmits a large part, preferably all the force between shift 2 and anchor 3 which is needed to lock the opener latch 12.

Via lifting electromagnets 13 housed in the door opener housing 11 the anchor 3 is switched between a locked position and a released position. The lifting electromagnet 13 has a pusher 14 which comes out of the lifting electromagnet and in this respect operates the anchor 3.

Figures 3a to 3c show the opener shown in Figure 2 in the anchorage area in enlarged representation. An anchor spring 31 that is disposed between the opener housing 11 and the anchor 3 loads the anchor 3 in its locked position. Figure 3a shows the locked position of the opener 1. In this locked position the power transmission element 4 is fixed between the anchor 3 and the gear 2. The power transmission element 4 is configured as sleeve 43. The sleeve in the locked position on the one hand it is in contact with a round bearing surface 21 of the gearbox and on the other hand in an angular bearing area of the anchor 3. The anchor 3 has two bearing points for the sleeve 43 which are arranged spaced apart with each other and are in contact with the round outer surface of sleeve 43 at two points. The anchor 3 has, for example, two bearing surfaces for the sleeve 43 that run at right angles to each other. In this way the sleeve is fixed in the locked position 43 between the gear 2 and the two bearing points of the anchor 3. The gear 2 in the locked position is locked by the bearing surface 21 which is in direct contact with the sleeve 43 immobile. That is to say, a pivoting of the change is prevented. The force transmission element 4 or the sleeve 43 in the locked position introduces pressure forces on the anchor 3.

An intermediate position of the opener 1 is shown in FIG. 3b during switching from the locked position to the released position. In this case the anchor 3 has been moved upwards or has been tilted with respect to the blocking position shown in figure 3a upwards. In this position the force transmission element 4 or the sleeve 43 can be deflected upwards. This deviation movement encourages the round outer contour of the sleeve 43 since this as a consequence of the floating housing on the mandrel 34 can move with respect to the anchor 3. The change 2 loads the outer contour of the sleeve 43 and pushes it upwards towards anchor 3 and beyond the bearing area of bearing surface 21.

Figure 3c shows the release position of the opener. Shift 2 has shifted to its final position to the right. In this position shift 2 releases latch 12 for pivoting. The sleeve 43 is clamped by the clamping mandrel 34 in the anchor 3. The clamping mandrel 34 has a smaller outer diameter than the inner diameter of the sleeve 43. Thus a floating housing of the sleeve 43 is achieved. As can be clearly deduced of figure 3c the external end of the change 2 is arranged very tight to the anchor 3. Through the displaceable, that is to say, floating, housing of the sleeve 43, it is guaranteed that despite this spatially tightened housing, the sleeve 43 can deviate upwards, since for the deviation movement of the sleeve 43, not only the path traveled by the anchor 3 is facilitated, but also the free space of movement provided by the floating housing of the sleeve 43. Consequently, a possible engagement of the change 2 is reliably prevented in the anchor 3 or the force transmission element 4.

Figures 4a to 4c show a second exemplary embodiment of the door opener according to the invention 1. Figure 4b shows the locked position of the door opener. In Figures 4a and 4c the opener is shown in the release position.

Unlike the embodiment shown above, the anchor 3 in this case is configured as a one-arm lever rotatably housed. The anchor is housed on a pivot bearing 32 in the opener housing. The force transmission element 4 is configured as a solid pin, for example as a steel pin, as can be seen among others, in Figures 5 and 6. The gear 2 is configured as a rotary housed gear lever, subjected to charged by a change spring 24. Through a rotation axis 23 the change 2 is rotatably housed in the opener housing 11. To switch the opener 1 from the locked position to the release position, it is provided again a lifting electromagnet 13 that it operates the anchor 3 through a pusher 14.

Shift 2 has a U-shaped notch 22 into which locking element 4 or pin 41 engages in the release position, as shown in Figure 4a.

In the locked position of figure 4b the force transmission element 4 or the steel pin 41 rests on a support surface of the gear lever 2. The support surface is arranged on the side of the gear 2 opposite the latch 12. That is to say, the change 2 introduces through the force transmission element 4 tensile forces in the anchor 3. Starting from the blocking position shown in figure 4b, there are two possibilities of switching the opener 1 to its position of release. The anchor 3 can be actuated by the pusher 14 of the actuator 13 upwards so that the force transmission element 4, as shown in FIG. 4c, is pivoted upwards out of the gear movement zone 2. In this position As can be seen in figure 4c, the gear lock 2 is removed and it can pivot towards the release position shown in figure 4c.

Anchor 3 is loaded through a spring not shown to the lower position shown in Figures 4a to 4c. In figure 4a the anchor 3 has pivoted down. This means that the force transmission element 4 or the pin 41 is arranged in the U-shaped notch 22 of the gear 2. Also in this position the gear 2 can pivot towards its release position shown in figure 4a. In the release position, the change 2 with its longitudinal side is arranged parallel to and abuts the longitudinal side of the opener housing 11.

The anchor 3 therefore has three different positions, the central position representing the lock position of the opener 1. The anchor 3 is spring loaded and is subjected to load towards the release position shown in figure 4a. That is to say, the anchor 12 is spring loaded in the direction of the actuator 13 or in the direction of the pusher 14. By means of the spring stress, the anchor 3 is supported on the actor 13 or on the pusher 14.

To perform a working current / quiescent current calculation of the opener 1, the actuator 13 has a sliding bearing and can be fixed in two different positions of the opener housing 11. For this purpose, the opener housing 11 has an elongated hole not shown in the figures, a screw for fixing the actor 13 is pierced. When the screw is loosened, the actor 13 or the lifting electromagnet 13 can move along the elongated hole.

To fix the two positions according to a quiescent current or working current, the elongated hole is contoured and has two conical countersinks on the screw head. Each countersink corresponds in this respect to the position of the screw in the working current setting or the quiescent current setting. When the screw is tightened, the screw head and therefore the actuator 13 due to the conical countersink are automatically positioned in the correct position.

In figure 4a the actor 13 is fixed in its lower position in figure 4a. In this position the actor 4 through the pusher 14 places the anchor 3 between the two positions that are represented in Figures 4a and 4b. That is to say, in an actuation or commutation of the actor 13, it places the opener 1 in its locked position, as shown in FIG. 4b. It is therefore a quiescent current opener. In the second position the actor 13, unlike the position shown in figure 4a, moves upwards so that the pusher 14 already in its rest position deflects the anchor 3 towards the rest position shown in figure 4b. This means that the opener 1 is locked in this position of the actor 13 in the rest position. In the power supply of the actuator 13, the pusher 14 exits and drives the anchor 3 upwards, that is, to the release position shown in FIG. 4c. This setting involves actor 13 of the working current variant of the opener 1.

The electrical connection of the opener is carried out through a connection block 15 which is shown in Figures 4a to 4c at the upper end of the opener housing 11.

Figures 5a to 5c show a first embodiment of the anchorage 3 of the opener 1 shown in Figures 4a to 4c. The anchor 3 has a fork-shaped anchor housing with an elongated hole 33. In the elongated hole 33, the force transmission element 4, the steel pin 41, are located and floatingly housed. As indicated by both arrows in Figure 5c, pin 41 can move along the longitudinal extent of the elongated hole. The transverse extent of the elongated hole 33 is adapted to the diameter of the pin 41.

Additionally, the anchor 3 has a magnet 42 that is supported in a hole in the anchor 3. As can be seen from the representation of Figures 5b and 5c, the magnet 42 is arranged parallel to the pin 41 and adjacent to the central position of the pin 41 represented in figure 5c. Magnet 42 exerts an attractive force on pin 41 and consequently loads it toward its central position shown in Figure 5c.

Figures 6a to 6c show a second embodiment of the anchor 3 of the opener shown in Figures 4a to 4c. Unlike the opener described in Figures 5a to 5c, this anchor 3 does not have a magnet. In order to load the steel pin 41 in its central position shown in figure 6c, the anchor 3 has two leaf springs 35 that touch the lower end, as shown in figure 6b on both sides and thereby are centered. By centering the force transmission element 4 or pin 41, it is ensured that it is located without an external influence in its central position and therefore in the locked position, as shown in Figure 4b, it rests in the center on the bearing surface of the gear lever 2. The length of the elongated hole 33 in which the steel pin 41 is attached is dimensioned such that it is shorter than the width of the bearing surface of the gear lever 2. Therefore, it is guaranteed that even in the event of shocks, the steel pin 41 cannot deviate so much that a release of the shift lever 2 can be carried out. Therefore, it is guaranteed that, even in the case of shocks , the opener 1 locks securely and is therefore also secured against tampering.

List of reference numbers

9 door

91 door frame

92a, b hinge pins

93 door swing

94 latch

941 deadbolt latch

942 latch

1 door opener

11 c door opener housing

12 door opener latch

12a, b screws

13 actor, coil

14 pusher

15 connection block

2 change

21 supporting surface

22 notch

23 axis of rotation

24 shift spring

3 anchor

31 anchor spring

32 swing bearing

33 elongated hole

34 chuck

35 reed spring

4 force transmitting element

41 pin

42 magnet

43 sleeve

Claims (15)

1. Door opener with a housing (11) for mounting on a door (9) with a door frame (91) and a door leaf (92) movably housed therein, in particular pivotally, with a door opener latch (12) movably housed in the casing (11), a remotely operable locking kit and an interchangeable gear (2) that is configured as a lever, or sliding guide, of one or more arms housed in the housing, and cooperates with the opener latch (12) such that the opener latch (12) can be switched to a locked position and a released position, wherein it is foreseen that the locking equipment comprises an actor (13) remotely operable and an anchor (3) operable by it, which cooperates with the change (2) so that it can be switched between a locking position, in the that the shift (2) locks the opener latch (12) and a release position where the shift (2) releases the opener latch (12), characterized in that a force transmitting element (4) is arranged between the anchor (3) and the gearbox (2), which in the locked position is directly supported by the gearbox (2) and directly on the anchor (3) to lock the shift (2), and wherein the force transmission element (4) is housed in a floating manner or in the anchor (3) or in the shift (2), either the force transmission element (4) being configured as a solid pin (41), which is floatingly housed in an elongated hole (33), or where the force transmission element (4) is configured as a sleeve (43) and is housed in a floating way such that either the anchor (3) has a clamping mandrel (34) to house the sleeve (43) or the gearbox (2) has a clamping mandrel to house the sleeve ( 43) and the internal diameter of the sleeve (43) is greater than the external diameter of the clamping mandrel (34). Door opener according to claim 1, characterized in that the force transmission element (4) can move in the release position with respect to the anchor (3) and / or with respect to the gearbox (2), and in particular has a round outer contour, preferably a round cross section. Door opener according to one of claims 1 or 2, characterized in that the anchor (3) is housed in the housing (11) in a linearly movable manner through a sliding bearing, or that the anchor (3) is housed in the casing (11) rotatably through a pivot bearing (32), and / or because the anchor (3) is subjected to load by means of an anchor spring (31) that acts between casing (11) and anchor ( 3) in the direction towards the actor (13) or in the direction away from the actor (13). Door opener according to one of the preceding claims, characterized in that the force transmission element (4) is subjected to load in the release position through a spring (35) or a magnet (42) towards a central position, preferably because the anchor (3) or because the change (2) has a permanent magnet (42) that loads the force transmission element (4) in the direction of a central position. Door opener according to one of the preceding claims, characterized in that the force transmission element (4) has a magnetizable material or is configured from a magnetizable material. Door opener according to one of the preceding claims, characterized in that the actuator (13) has an electric coil and is configured as an electromagnet, preferably in that the actuator is configured as an electric lifting electromagnet or as an electric pull magnet with a pusher (14 ) and actuates the anchor (3) through the pusher (14). Door opener according to one of the preceding claims, characterized in that either the force transmission element (4) is arranged between the anchor (3) and the gearbox (2) in such a way that in the locked position the gearbox (2) introduces Mainly tensile forces through the force transmission element (4) in the anchor (3), preferably when the force transmission element (4) rests in the locked position on a gear surface (2) away from a pivot bearing (32) or sliding bearing of the anchor (3), or because the force transmission element (4) is arranged between the anchor (3) and the gearbox (2) in such a way that in the locked position the gearbox (2) mainly introduces pressure forces through the force transmission element (4) in the anchor (3), preferably, when the force transmission element (4) rests in the locked position on a surface of the change ( 2) directed to a pivot bearing (32) or sliding bearing before the anchor. Door opener according to one of the preceding claims, characterized in that the force transmission element (4) is immobilized in the locked position between anchor (3) and gearbox (2) and is stationary with respect to the anchor ( 3) and / or regarding the change (2). Door opener according to one of the preceding claims, characterized in that the actuator (13) or the coil can be fixed to the housing (11) optionally in one of two coil positions offset from each other, where a first coil position allows a control of working current and the second coil position allows a control of quiescent current, preferably being provided that the anchor (3) can be switched between three positions, where the central position of these three positions blocks the change (2) and the two end positions in each case release the change (2), in particular that the actor (13) or the coil switches the anchor (3) in the first coil position only between the central position and the first end position, and in the second coil position only toggles between center position and second end position. Door opener according to one of the preceding claims, characterized in that the change (2) has a notch, preferably a U-shaped notch (22), the opening of which is arranged apart from a pivot bearing (32) or sliding bearing of the anchor (3) and the force transmission element (4) in a final position and / or in a release position are coupled in this notch (22). Door opener according to one of the preceding claims, characterized in that either the anchor (3) has an elongated hole (33) for housing the solid pin (41), or that the change has an elongated hole (33) for housing of the solid pin (41) and it is preferably provided that the force transmission element (4) is configured as a steel pin (41). 12. Door opener according to one of the preceding claims, characterized in that the solid pin (41) is subjected to magnetic load in the elongated hole (33). 13. Door opener according to one of claims 1 to 10, characterized in that the force transmission element (4) (43) is configured as a steel sleeve. 14. Door opener according to claim 13, characterized in that the anchor (3) has a clamping mandrel (34) to house the sleeve (43) or that the change (2) has a clamping mandrel to house the sleeve (43 ) and the internal diameter of the sleeve (43) is greater than the external diameter of the clamping mandrel (34), and where preferably the clamping mandrel (34) is configured as a permanent magnet. 15. Door opener according to one of the preceding claims, characterized in that the sleeve (43) is housed between two planes, preferably in that an anchor support (3) forms the first plane and a housing cover (11) or a cover housing forms the background.