EP2933409B1 - Drive shaft for a door actuator, door actuator and method for changing a possible installation position of a door actuator - Google Patents

Description

The present invention relates to an output shaft for a door operator and a door operator with an output shaft. Furthermore, the invention relates to a method for changing a possible mounting position of a door operator.

Door operators are used in modern building technology to assist in opening and / or closing doors and / or at least partially automatically. In this case, for example, the door operator can be biased by a manual opening of the door, an energy storage, the stored energy is subsequently used for automatic closing of the door. In addition, in such a door operator, a damping device may be provided which influences this closing such that, for example, the door closes at a rotation angle-dependent speed, whereby in particular an undesirable rapid and uncontrolled closing of the door can be prevented. For a force-transmitting connection between a drive and / or a damping device and a lever arm, which is connected to the door, while an output shaft is used. Known output shafts are often produced as Kaltfließpressteile or forgings. A machining production with a correspondingly high material consumption in the production of such an output shaft is known.

It is known to arrange such door operators in different mounting positions with respect to a door. Specifically, a belt-side (walk-in direction in the closing direction of the door or on the side on which door hinges of the door can be seen) or a belt-opposite (walk direction in the opening direction of the door or on the side, on the door hinges of the door are not visible) Installation of the door operator conceivable, depending on the circumstances of the site. The arrangement of the door operator on the lintel or on the door itself is conceivable. These different mounting positions differ in particular in that they require a different force transmission between the lever arm and drive and / or damping device of the door operator for the same functionality with respect to the opening and / or closing of the door. The power transmission is exactly opposite in particular with respect to the direction of rotation of the output shaft.

Such an output shaft is made WO 2013/079161 known and disclosed the features of the preamble of claim 1. In known door actuators, it is therefore known to use in particular for the band-side and the band-mutual mounting different door operator or at least different output shafts. For a change of the power transmission, which can be determined for example by a form of a driven pulley as part of the output shaft, an exchange of the complete output shaft is also required. This is complicated and represents in particular a high cost factor.

It is therefore an object of the present invention to at least partially overcome the disadvantages described above. In particular, it is an object of the present invention to provide a drive shaft, a door operator and a method for changing a possible mounting position of a door operator, which makes it easier and cost-effective way to provide a door operator for use in various mounting positions. The above object is achieved by an output shaft with the features of independent claim 1, by a door operator with the features of claim 9 and by a method for changing a possible mounting position of a door operator with the features of claim 10. Further features and details of the invention will become apparent from the dependent claims, the description and the drawings. In this case, features and details that are described in connection with the output shaft according to the invention apply, of course, also in connection with the door actuator according to the invention and the method according to the invention and in each case vice versa, so that with respect to the disclosure of the individual aspects of the invention always reciprocal reference is or can be ,

According to a first aspect of the invention, the object is achieved by an output shaft for a door operator, comprising an output disk with a first and a second end face, wherein the first and the second end face of the driven pulley are opposite to a rotation axis of the output shaft, wherein further comprises the output shaft a lever arm of the door operator in operative connection and the driven pulley with a damper device and / or a drive of the door operator can be brought into operative connection. An output shaft according to the invention is characterized in that the output shaft has a first and a second receiving element and an adapter element, wherein the first receiving element is arranged on the first end face of the driven pulley and on a side facing away from the first end face has a first receptacle and wherein the second receiving element is arranged on the second end face of the driven pulley and on a side facing away from the second end face a second receptacle, wherein the first and the second receptacle for receiving the adapter element are formed and further wherein the adapter element is connectable to the lever arm of the door operator and is arranged in the first or the second receptacle.

The output shaft according to the invention is designed after installation in a door actuator for transmitting a force effect between a lever arm of the door operator and a drive and / or a damper device of the door operator. For this purpose, for example, the output disk may be formed as, in particular heart-shaped, cam disk on which the damper device acts via rollers, thus inhibiting a rotational movement of the output shaft about its axis of rotation and thereby the speed of closing the door, in particular rotation angle dependent, via the lever arm connected to the door. affected.

According to the invention it is provided that the output shaft is composed of several parts. Thus, a first and a second receiving element are arranged at the two end faces of the driven pulley, which lie opposite one another with respect to a rotation axis of the output shaft. Is essential to the invention that both receiving elements each have on their side facing away from the driven pulley a receptacle into which an adapter element can be arranged. The adapter element can thus be arranged both in the first receptacle of the first receiving element and in the second receptacle of the second receiving element. Thus, there are two possible variants of the output shaft, one with the adapter element in the first receptacle of the first receiving element, the other with the adapter element in the second receptacle of the second receiving element, both of which can be installed in the door operator. Since the adapter element is designed for connection to the lever arm of the door operator and the Power transmission is carried out within the door operator on a damping device and / or by a drive through the driven pulley, thus resulting in two different power transmission, which are exactly opposite with respect to the rotational direction of the output shaft. As a result, a door operator who has such an output shaft according to the invention can be mounted both on the band side and on the band side or both on the door leaf and on the lintel, depending on which receiving element the adapter element is arranged. When changing the mounting position replacement of the complete output shaft is not required. Such a change or an adjustment of the intended mounting position can preferably be made during the production of the door operator in the production of the door operator in the manufacturing plant. A subsequent change of the intended mounting position, for example, before the final installation on a construction site, of course, is possible. As a result, time and costs can be saved during assembly or production of the door operator.

Furthermore, it may be provided in an output shaft according to the invention that the output shaft has a connecting element, wherein the connecting element at least passes through the adapter element, the first receiving element, the second receiving element and the driven pulley and fixed to each other. By such a connecting element, an output shaft according to the invention can be held together particularly easily and safely. In particular, by the passage of the individual parts of the output shaft can be ensured that none of the components of the output shaft dissolves. An unintentional falling apart of the individual parts of the output shaft can thus be reliably prevented.

According to a preferred development of an output shaft according to the invention may further be provided that the connecting element is designed as a screw with a head contour, wherein the screw is screwed in particular in a thread in the adapter element and further wherein the head contour on the one receiving element and the adapter element on the other receiving element are arranged. In this case, a connecting element formed as a screw constitutes a mechanically particularly simple connecting element. By screwing the connecting element designed as a screw into the adapter element, these two components are securely fixed to one another. The connecting element is designed to pass through the receiving elements and the Abtreibscheibe. The head contour of the connecting element is arranged in the receptacle of that receiving element, which is opposite to the receiving element with the adapter element with respect to the driven pulley. Of course, it may be provided that, in addition to the head contour, a lowering disc is arranged in the receptacle of the receiving element for supporting the head contour. By the head contour in the receptacle of a receiving element and the adapter element in the receptacle of the other receiving element, which is used in particular as a nut, the parts of the output shaft are particularly securely fixed to each other.

Also, an output shaft according to the invention may be designed such that the first and the second receptacle each have a non-circular first inner contour and the adapter element an adapter pin, wherein the adapter pin is designed for positive contacting of the first inner contour. Out of round in the sense of the invention may be, for example, the shape of a polygon or the shape of an ellipse be. Due to the positive contact, it is possible to transmit a rotational movement particularly well between the adapter pin and thus the adapter element and the receptacle used in each case. A particularly good and effective power transmission between these components and thus also between the lever arm and the drive and / or the damping device of the door operator can be improved.

Furthermore, it can preferably be provided in an output shaft according to the invention, that the driven pulley have a breakthrough with a non-circular second inner contour and the first receiving element a non-circular receiving pin, wherein the receiving pin is designed for positive contacting of the second inner contour. Out of round in the sense of the invention in turn means that the second inner contour and the receiving pin may have, for example, the shape of a polygon or the shape of an ellipse. Also between the spigot and the breakthrough of the driven pulley can be transmitted particularly well by the positive contact rotational movement. A power transmission between these components and thus also between the lever arm and the drive and / or the damping device of the door operator can be made mechanically very simple.

In addition, an output shaft according to the invention may be designed such that the driven pulley have an opening with a non-circular second inner contour and the adapter element has a non-circular adapter pin, wherein the adapter pin is designed for the positive contacting of the second inner contour. Out of round in the sense of the invention also means in this case that the second inner contour and the adapter pin, for example, the shape of a polygonal line or the May have the shape of an ellipse. Due to the positive contact, it is possible to ensure a particularly good transmission of rotational movement between the adapter pin and thus the adapter element and the driven pulley. A particularly good and effective power transmission between these components and thus also between the lever arm and the drive and / or the damping device of the door operator can be further improved.

Of course and preferably, a combination of the various described embodiments of the non-circular surfaces can also be provided in an output shaft according to the invention. It is essential in each case that the individual, contacting surfaces are coordinated so that they form a positive connection. A safe and effective transmission of a force between the lever arm and the drive or the damping device of the door operator, which requires a rotational movement of the output shaft, and thus the functionality of the door operator can be particularly easily ensured.

Further, in an output shaft according to the invention may be provided that the driven pulley has an opening, that the first receiving element and / or the second receiving element is designed to pass through the opening and that the first and the second receiving element, in particular non-positively and / or positively, with each other are connected. Through the penetration of the breakthrough in the driven pulley, the driven pulley can be arranged particularly securely between the two receiving elements, an unwanted radial displacement of the components against each other can be safely prevented. The, in particular power and / or positive connection, connection of the two receiving elements can be formed for example by riveting, screwing or jamming. Also, the two receiving elements may already be formed at least in sections for mutual positive contact. Of course, other connection methods, such as soldering or welding, are conceivable. The stability of an output shaft according to the invention can thereby be further increased.

In addition, an output shaft according to the invention can be designed to the effect that the output shaft has at least one bearing device, in particular a ball, roller or sliding bearing, which is designed for frictionless or at least low-friction bearings of the output shaft in the door operator. By such a bearing device frictional forces that arise in the door operator when opening and closing the door can be avoided or at least reduced. The life of a door operator with an output shaft according to the invention can be increased thereby. Of course, more than one such storage device can be provided. For example, two ball bearings can be used as a bearing device, which are each arranged radially on the outside of the receiving elements. By such, with respect to the driven pulley symmetric arrangement, for example, in addition to reducing friction and tilting of the output shaft can be safely avoided within the door operator.

According to a second aspect of the invention, the invention is achieved by a door operator with an output shaft, a lever arm and a damper device and / or a drive, wherein the lever arm and the output shaft and the output shaft and the damper device and / or the drive are in operative connection. An inventive door operator is characterized in that the output shaft is formed according to the first aspect of the invention. All advantages which have been described with reference to an output shaft according to the first aspect of the invention, thus automatically result for a door operator, which is equipped with such an output shaft according to the first aspect of the invention. In particular, it is possible in a door actuator according to the invention, solely by changing the position of the adapter element of the output shaft from an arrangement in the first receptacle of the first receiving element in the second receptacle of the second receiving element or vice versa, from a configuration for a band-side mounting to a configuration to change for a band-mutual mounting or between a configuration for mounting on the door leaf and a configuration for mounting on the lintel. Such a change or an adjustment of the intended mounting position can preferably be made during the production of the door operator in the production of the door operator in the manufacturing plant. Also, a change to whether the door operator exerts a pressing or a pulling function on the door is made particularly simple and without a complete replacement of the output shaft. An exchange of the complete output shaft can be avoided. A subsequent change of the intended mounting position, for example, before the final installation on a construction site, of course, is possible. This represents a significant reduction of costs and effort in such a conversion.

1. a) Ausbau der Abtriebswelle aus dem Türbetätiger,
2. b) Ausbau des Adapterelements aus der Aufnahme des ersten oder des zweiten Aufnahmeelements, in der das Adapterelement angeordnet ist,
3. c) Einbau des Adapterelements in die Aufnahme des zweiten oder ersten Aufnahmeelements, in der das Adapterelement nicht angeordnet war und
4. d) Einbau der Abtriebswelle in den Türbetätiger.

According to a third aspect of the invention, the object is achieved by a method for changing a possible mounting position of a door operator, wherein the door operator according to the second aspect of the Invention is formed. A method according to the invention is characterized by the following steps:

1. a) removal of the output shaft from the door operator,
2. b) removing the adapter element from the receptacle of the first or the second receiving element, in which the adapter element is arranged,
3. c) installation of the adapter element in the receptacle of the second or first receiving element, in which the adapter element was not arranged and
4. d) Installation of the output shaft in the door operator.

A door operator according to the second aspect of the invention has an output shaft according to the first aspect of the invention. All the advantages that have been described for an output shaft according to the first aspect of the invention and a door operator according to the second aspect of the invention thus also apply to a method that is performed by a door operator according to the invention.

The possible mounting positions of the door operator on the lintel or on the door leaf and in particular a band-side or gegenbandseitige mounting position is determined by how the output shaft and in particular the driven pulley of the output shaft are arranged within the door operator. The shape of the output shaft determines, for example, by a cooperation with a damping device of the door operator as quickly as a door, in particular also rotation angle-dependent closes.

In a first step a), the output shaft is removed from the door operator. Of course, the output shaft of the door operator and already in a developed form. The adapter element is arranged in the respective receptacle of the first or the second receiving element. In step b) of the method, the adapter element is removed from this receptacle. The adapter element and the rest of the output shaft are thus separated from each other. In the next step c), the adapter element is installed in the receptacle of the other receiving element. By steps b) and c), the installation location of the adapter element is thus changed. After completion of step c), the adapter element is arranged on the receiving element to which it was not arranged at the beginning of the process. In a final step d) of the method, the reassembled output shaft is re-installed in the door operator. By a conversion of a door operator according to a method according to the invention, it is possible to change the power transmission between a lever arm on which the adapter element of the output shaft is anodable, and a damping device and / or a drive in the interior of the door operator such that this transmission with respect to the direction of rotation the output shaft is exactly opposite, as is necessary for operation of the door operator in bandseitiger and band mutual mounting. By a method according to the invention, such a conversion can be made particularly simple. In particular, no replacement of an output shaft is necessary to change a door operator, which is intended for a band-side mounting, in a door operator, which is provided for a tape-mutually assembly. The same applies of course to a conversion between a mounting on the door leaf and a mounting on the lintel. Time and cost in such a change can be saved. Such a conversion or adjustment of the intended mounting position according to a method according to the invention may be particularly preferred already in the production of the invention Door operator to be made in the production of the door operator in the manufacturing plant. By a method according to the invention is also a subsequent change of the intended mounting position, for example, before the final installation on a construction site, enabled and simplified.

Fig. 1 a

eine Explosionsdarstellung einer Abtriebswelle für eine erste Montageposition eines Türbetätigers,

Fig. 1

b eine Explosionsdarstellung einer Abtriebswelle für eine zweite Montageposition eines Türbetätigers,

Fig. 2a

Bauelemente einer Abtriebswelle für eine erste Montageposition eines Türbetätigers,

Fig. 2b

Bauelemente einer Abtriebswelle für eine zweite Montageposition eines Türbetätigers,

Fig. 3a

eine Abtriebswelle für eine erste Montageposition eines Türbetätigers,

Fig. 3b

eine Abtriebswelle für eine erste Montageposition eines Türbetätigers,

Fig. 4a

eine Schnittdarstellung einer Abtriebswelle für eine erste Montageposition eines Türbetätigers,

Fig. 4b

eine Schnittdarstellung einer Abtriebswelle für eine zweite Montagepositionen eines Türbetätigers,

Fig. 5a

einen Türbetätiger in einer bandgegenseitigen Montageposition an einem Türblatt,

Fig. 5b

einen Türbetätiger in einer bandseitigen Montageposition an einem Türsturz,

Fig. 5c

einen Türbetätiger in einer bandseitigen Montageposition an einem Türblatt und

Fig. 5d

einen Türbetätiger in einer bandgegenseitigen Montageposition an einem Türsturz.

The present invention will be explained in more detail with reference to the accompanying drawing figures. It shows schematically:

Fig. 1 a

an exploded view of an output shaft for a first mounting position of a door operator,

Fig. 1

b is an exploded view of an output shaft for a second mounting position of a door operator,

Fig. 2a

Components of an output shaft for a first mounting position of a door operator,

Fig. 2b

Components of an output shaft for a second mounting position of a door operator,

Fig. 3a

an output shaft for a first mounting position of a door operator,

Fig. 3b

an output shaft for a first mounting position of a door operator,

Fig. 4a

a sectional view of an output shaft for a first mounting position of a door operator,

Fig. 4b

a sectional view of an output shaft for a second mounting positions of a door operator,

Fig. 5a

a door operator in a band-mutual mounting position on a door leaf,

Fig. 5b

a door operator in a band-side mounting position on a lintel,

Fig. 5c

a door operator in a band-side mounting position on a door leaf and

Fig. 5d

a door operator in a band-mutual mounting position on a lintel.

Elements with the same function and mode of action are in the Fig. 1a . b . 2a, b . 3a, b . 4a, b and 5a, b . c, d each provided with the same reference numerals.

The Fig. 1a . b . 2a, b . 3a, b and 4a, b each show an output shaft 10 according to the invention in different representations, wherein the output shafts of the individual representations in Fig. 1 . 2 . 3 and 4 differ in that they allow different mounting positions, in particular a band-side and a tape-mutual mounting or mounting on a door leaf 131 or a lintel 130, a door operator 120.

The Fig. 1 a shows an exploded view of an output shaft 10 according to the invention with a marked axis of rotation 11, wherein on the side of the first end face 24 of the driven pulley 20 a first Receiving element 40 is present, which is received by a bearing device 60, here for example a ball bearing. The first receiving element 40 has a first receptacle 41, which serves for receiving an adapter pin 35 of the adapter element 30. The adapter element 30 further has a lever receptacle 38, to which a lever arm 121 of a door operator 120 (not shown) can be arranged. The receptacle 41 of the first receiving element 40 further has a first inner contour 42, which is designed for the positive reception of the adapter pin 35. A particularly good and safe power transmission within the output shaft 10 can be ensured. An outer boundary of the receptacle 41 is further designed such that it can be received by the bearing device 60. A first disc 80 is disposed between the driven pulley 20 and the bearing device 60, wherein in assembly, a portion of the bearing device 60 is based on the disc 80, which in turn is based on the driven pulley 20. A second bearing device 60, which is also formed in the embodiment shown as a ball bearing, is arranged on the side of the second end face 26 of the driven pulley 20, wherein this bearing device 60 receives the second receiving element 50. A disc 90 is disposed between the driven pulley 20 and the second bearing device 60, wherein in assembly, a portion of the second ball bearing 70 is based on the disc 90, which in turn is based on the driven pulley 20. The second receiving element 50 has a second receptacle 51 into which a lowering disc 100 is arranged. All items have openings or openings, for example, the opening 25 of the driven pulley 20, which are positioned one above the other in the assembled state of the output shaft 10, that the connecting element 110 extends from the lowering disc 100 to at least in the adapter element 30, wherein the connecting element 110 is preferably designed as a screw and is screwed into an internal thread of the adapter element 30. Also, as in the illustrated embodiment variant, the connecting element 110 may extend out of the adapter element 30. A connection to a lever arm 121 of a door operator 120 (not shown) may thereby be facilitated and improved. A head contour 111 of the connecting element 110 engages positively against a corresponding corresponding mating contour of the sinking disc 100. A receiving pin 45 of the first receiving element 40 extends through the first disc 80 and through the opening 25 of the driven pulley 20 to at least partially into the second receiving element 50 inside. The opening 25 in this case has a second inner contour 27, which is designed for the positive reception of the receiving pin 45. A particularly good and safe power transmission to the driven pulley 20 can be ensured. Also, the second receiving element 50, in particular a third inner contour 53 of the second receiving element 50, the receiving pin 45 positively on to ensure a rotationally secure connection and an effective power transmission within the output shaft 10.

Fig. 1b shows an output shaft 10 in contrast to the in Fig. 1 a shown output shaft 10 for a different mounting position of a door operator 120 (not shown) is provided. The mounting positions may be in particular a band-side or a band-mutual mounting position and / or a mounting on a door leaf 131 or on a lintel 130 (each not shown). The components used for the construction of the two output shafts 10 shown are identical and already with respect to Fig. 1 a described. An output shaft 10 according to the invention is distinguished characterized in that the adapter element 30 can be arranged both in the first receptacle 41 of the first receiving element 40 and in the second receptacle 51 of the second receiving element 50. So is in the in Fig. 1 Output shaft 10 shown, the adapter element 30 is arranged with its adapter pin 35 in the second receptacle 51 of the second receiving element 50. Also, the second receptacle 51 has, analogous to the first receptacle 41, a first inner contour 52, which is designed to form a positive connection with the adapter pin 35. Also in this embodiment of an output shaft 10 according to the invention thus a safe and effective power transmission of a lever arm 121 of the door operator 120 (not shown) and the output shaft 10 and thus the driven pulley 20 can be ensured. In order to ensure a secure cohesion of the output shaft 10, a connecting element 110 is also provided in this embodiment, extending from a lowering disc 100, which is arranged here in the first receptacle 41 of the first receiving element 40, to the adapter element 30 in the second receptacle 51st of the second receiving element 50 extends. In summary, it is thus possible by an inventive output shaft 10, by a simple conversion of the output shaft 10, in particular the conversion of the adapter element 30 of the first receptacle 41 of the first receiving element 40 in the second receptacle 51 of the second receiving element 50 or vice versa, a change of a possible mounting position of the door operator 120, in which the output shaft 10 is installed to allow. This is achieved in particular by the fact that two output shafts 10 can be provided by the change of the installation position of the adapter element 30, which behave exactly opposite with regard to a power transmission with respect to the rotational direction of the output shaft 10. An exchange of the output shaft 10 is not required.

In the Fig. 2a, b the essential components of an output shaft 10 according to the invention are each shown individually. The components are in Fig. 2a in a line of sight from above, in Fig. 2b shown in a viewing direction from below. Unless otherwise stated, both figures will be referred to below Fig. 2a, b described. Fig. 2a, b shows the adapter element 30, the base body is preferably a rotary part, wherein the adapter element 30 has an adapter pin 35, whose shape is formed out of round. This non-circular shape consists for example of a polygon or an ellipse. Centric, the adapter element 30 on an opening, which is preferably formed as a through hole. Further, on the opposite side of the adapter pin 35 is a lever receptacle 38 for a lever arm 121 of a door operator 120 (not shown), which is connected, for example, with a slider of a slide rail. The receptacle 38 also has a non-circular shape, for example a square shape. Of course, the lever receptacle 38 may also be formed as a suitably shaped for the corresponding lever arm pin. Furthermore, the first receiving element 40 is shown, whose base body is preferably also a rotary part, wherein the receiving element 40 has a receiving pin 45, whose shape is formed out of round. This non-circular shape consists for example of a polygon or an ellipse. Centrically, the receiving element 40 on an opening, which is preferably formed as a through hole. At the receiving pin 45 opposite side of the first receiving element 40, a first receptacle 41 is formed. This first receptacle 41 has a first inner contour 42 with a non-circular shape, which has, for example, the shape of a polygon or the shape of an ellipse. In particular, the first receptacle 41 with its first inner contour 42 for positively receiving the adapter pin 35 is formed. Furthermore, an output disk 20 is shown, wherein, in addition to the opening 25, the two end faces 24, 26 of the output disk 20 are shown. The two end faces 24, 26 limit the material thickness of the driven pulley 20. The opening 25 has a second inner contour 27, which is formed from a non-circular shape, which may have, for example, a polygonal or elliptical shape. In particular, in this embodiment of an output shaft 10 according to the invention by the second inner contour 27 of the opening 25 of the driven pulley 20 for the positive reception of the receiving pin 45 is formed.

Finally, a second receiving element 50 is shown. whose main body is preferably a rotary part and has the shape of a sleeve. On the second receiving element 50, a second receptacle 51 having a first inner contour 52 and the third inner contour 53 are formed. The second receptacle 51 with its first inner contour 52 is for the positive reception of the adapter pin 35 and the third inner contour 53 is designed for the positive reception of the receiving pin 45. The first inner contour 52 and the third inner contour 53 are formed out of round, these non-circular shapes may be formed for example of a polygonal or ellipse.

The Fig. 3a, b show the in Fig. 1a . b described output shafts 10 in the assembled state and in perspective view. The two output shafts 10 differ in particular only in which of the two receiving elements 40, 50, the adapter element 30 is arranged. So is in Fig. 3a the adapter element 30 in the first receptacle 41 of the first receiving element 40, in the Fig. 3b arranged in the second receptacle 51 of the second receiving element 50. at In both embodiments, the receiving elements 40, 50 are received in bearing devices 60, which are designed in particular as ball bearings. Between the receiving elements 40, 50, the driven pulley 20 is arranged. A connecting element 110 is in each case designed such that it extends from a lowering disc 100, which is arranged in one of the two receptacles 41 and 51, to the adapter element 30, which is arranged in the other receptacle 51 or 41. The connecting element 110 preferably protrudes out of the adapter element 30 in order to be able to connect a lever arm 121 (not illustrated) of a door actuator 120, for example, to a slider of a slide rail 122 (not shown).

The Fig. 4a, b show each in the corresponding Fig. 3a, b shown output shaft 10 in a full section. On the side of the first end face 24 of the driven pulley 20 each designed as a ball bearing bearing device 60 is arranged, which is based in a partial area on a first side of the disc 80, which in turn with its other second side on the first end face 24 of the driven pulley 20th inspired. The bearing device 60 accommodates the first receiving element 40, wherein a portion of the first receiving element 40 is also based on the side of the disc 80, on which the bearing device 60 is based. The receiving pin 45 of the first receiving element 40 protrudes through the opening 25 of the driven pulley 20, in particular with a second inner contour 27 of the opening 25 into the second receiving element 50, wherein the receiving pin 45 of the first receiving element 40 at least partially from the third inner contour 53rd of the second receiving element 50 is received positively. The, in particular non-positive and / or positive connection, the connection of the two receiving elements 40, 50 can, for example, by riveting, screwing or a Jamming be formed. Of course, other connection methods, such as soldering or welding, are conceivable. Preferably, the receiving pin 45 projects out of the third inner contour 53. The second receiving element 50 is received by a further bearing device 60, wherein a portion of the bearing device 60 is based on one side of the disc 90, and the second receiving element 50 also with a partial area on this side of the disc 90 is based. The disc 90 leans with its other second side on the second end face 26 of the driven pulley 20.

According to the invention, it is provided that the adapter element 30 is optionally in the first receptacle 41 of the first receiving element 40, as in Fig. 4a shown, or the second receptacle 51 of the second receiving element 50, as in Fig. 4b shown, can be arranged. Two different output shafts 10 can be created, which differ in terms of their power transmission properties, which are exactly opposite with respect to the rotational direction of the output shaft 10. As a result, a door operator 120, which has such an output shaft 10 according to the invention, both on the band side and on the other side or both on a door leaf 131 and on a lintel 130 (each not shown) are mounted, depending on which receiving element 40, 50 the Adapter element 30 is arranged. A sinking disc 100 is respectively arranged in the receptacle 41, 51, in which the adapter element 30 is not arranged. All described components of an output shaft 10 according to the invention have openings or openings, which are positioned one above the other in the assembled state of the output shaft 10, that the connecting element 110 extends from the lowering disc 100 to at least in the adapter element 30, wherein the connecting element 110 preferably extends out of the adapter element 30 out. A head contour 111 of the connecting element 110 engages positively against a counter contour of the lowering disc 100. In particular, the connecting element 110 may be designed as a screw, which is preferably screwed into an internal thread of the adapter element. Subsequent to the adapter element 30, in each case a part of a lever arm 121 of a door actuator 120 is still shown. By a positive engagement of the lever arm 121 in the lever receptacle 38 of the adapter element 30 and also by the engagement of the connecting element 110 in the lever arm 121, a safe and effective power transmission between these elements of the door operator can be ensured.

In the Fig. 5a, b . c, d In each case, an inventive door actuator 120 is shown in which an output shaft 10 according to the invention is installed. By the possibility of a band-side (Begehungsrichtung in the closing direction of the door panel 131 or on the side on the door hinges 132 are visible) or a band mutual (direction of access in the opening direction of the door panel 131 or on the side on the door hinges 132 are not visible) Mounting the door operator 120 or from the possibility of mounting the door operator 120 on the door lintel 130 or on the door leaf 131, there are four mounting options. A door actuator 120 according to the invention is preferably already provided in the production plant by a corresponding arrangement of the adapter element 30 on the output shaft 10 (not shown) in the door actuator 120 for the corresponding mounting position. Also, a subsequent change of the intended mounting position by a simple conversion of the output shaft 10, as it is made possible by an output shaft 10 according to the invention, on a construction site before the final assembly of the door actuator 120 is understood conceivable. It is in the Fig. 5a, b . c, d each one of the possible mounting positions shown in Fig. 5a a band-mutual mounting on the door leaf 131, in Fig. 5b a band-side mounting on the lintel 130, in Fig. 5c a band-side mounting on the door leaf 131 and in Fig. 5d a tape-mounted on the lintel 130. In each of the figures, a side and a top view of the assembled door operator 120 is shown. The door actuator 120 or the lever receptacle 38 (not shown) of the output shaft 10 of the door actuator 120 is in each case connected via a lever arm 121 with a slide rail 122. The connection between lever arm 121 and slide rail 122 is preferably made via a slider (not shown). By an output shaft 10 according to the invention, which is installed in a door actuator 120 according to the invention, it is possible to change the mounting position, for which the door actuator 120 is provided, particularly easy. By simply modifying the output shaft 10, with only the location of the adapter element 30 (not shown) being exchanged in the receiving elements (40, 50) (not shown), a door actuator 120, preferably otherwise unchanged, can be used for all assembly positions shown , A complex and costly replacement of the complete output shaft 10 is not necessary. Thus, for example, for a tape-mutual assembly, as in the Fig. 5a and 5d is shown and requires a pressing operation of the door operator 120, an output shaft 10 are used with an adapter element 30 in the receptacle 41 of the first receiving member 40, as for example in the Fig. 3a or 4a is shown. Accordingly, for a band-side mounting, as in the Fig. 5b and 5c is shown and require a pulling operation of the door actuator 120, an output shaft 10 with an adapter member 30 in the receptacle 51 of the second receiving member 50 are used, as for example in the Fig. 3b or 4b is shown. Due to the fact that the output shaft 10 to remains unchanged on the replacement of the installation location of the adapter element 30, in particular, that the driven pulley 20 (not shown) is not changed, the same operating characteristics arise for all mounting positions. A wide applicability of a door actuator 120 according to the invention, in particular independent of the mounting position, can be achieved thereby.

LIST OF REFERENCE NUMBERS

10

output shaft

11

axis of rotation

20

driven pulley

24

first end face

25

breakthrough

26

second end face

27

second inner contour

30

adapter element

35

adapter pin

38

lever accommodation

40

first receiving element

41

first recording

42

first inner contour of the first receiving element

45

spigot

50

second receiving element

51

second shot

52

first inner contour of the second receiving element

53

third inner contour

60

bearing device

80

first disc

90

second disc

100

countersunk washer

110

connecting element

111

head contour

120

door actuators

121

lever arm

122

slide

130

lintel

131

door leaf

132

hinge

Claims (9)

1. An output shaft (10) for a door operator (120), including an output disc (20) with a first (24) and a second frontal surface (26), wherein the first (24) and the second frontal surface (26) of the output disc (20) are opposite each other with regard to an axis of rotation (11) of the output shaft (10), wherein furthermore the output shaft (10) may be brought into operative connection with a lever arm (121) of the door operator (120) and the output disc (20) into operative connection with a dampening device and/or a drive of the door operator (120), wherein the output shaft (10) includes a first (40) and a second reception element (50), characterized in that the output shaft (10) includes an adapter element (30), wherein the first reception element (40) is disposed at the first frontal surface (24) of the output disc (20) and, at a face facing away from the first frontal surface (24), includes a first reception (41), and wherein the second reception element (50) is disposed at the second frontal surface (26) of the output disc (20), and, at a face facing away from the second frontal surface (26), includes a second reception (51), wherein the first (41) and the second reception (51) are configured for accommodating the adapter element (30), and wherein furthermore the adapter element (30) is connectable to the lever arm (121) of the door operator (120) and is disposed in the first (41) or the second reception (51), wherein the output shaft (10) includes a connecting element (110), wherein the connecting element (110) penetrates at least the adapter element (30), the first reception element (40), the second reception element (50) and the output disc (20) and fixes them to each other.
2. The output shaft (10) according to claim 1, characterized in that in that the connecting element (110) is configured as a screw with a head contour (111), wherein the screw is screwed in particular into a thread in the adapter element (30), and wherein furthermore the head contour (111) is disposed at the one reception element (40, 50) and the adapter element (30) at the other reception element (50, 40).
3. The output shaft (10) according to any of the preceding claims, characterized in that the first (41) and the second reception (51) respectively include a non-round first inner contour (42, 52) and the adapter element (30) includes an adapter tenon (35), wherein the adapter tenon (35) is configured for positively contacting the first inner contour (42, 52).
4. The output shaft (10) according to any of the preceding claims, characterized in that the output disc (20) includes a break-through (25) with a non-round second inner contour (27) and the first reception element (40) includes a non-round reception tenon (45), wherein the reception tenon (45) is configured for positively contacting the second inner contour (27).
5. The output shaft (10) according to any of the preceding claims, characterized in that the output disc (20) includes a break-through (25) with a non-round second inner contour (27) and the adapter element (30) includes a non-round adapter tenon (35), wherein the adapter tenon (35) is configured for positively contacting the second inner contour (27).
6. The output shaft (10) according to any of the preceding claims, characterized in that the output disc (20) includes a break-through (25), in that the first reception element (40) and/or the second reception element (50) are/is configured for penetrating the break-through (25), and in that the first (40) and second reception element (50) are connected to each other, in particular non-positively and/or positively.
7. The output shaft (10) according to any of the preceding claims, characterized in that the output shaft (10) includes at least one bearing device (60) in particular a ball bearing, a rolling bearing or a sliding contact bearing, which are configured for a friction-free or at least friction-reduced bearing of the output shaft (10) in the door operator (120).
8. A door operator (120) including an output shaft (10), a lever arm (121) as well as a dampening device and/or a drive, wherein the lever arm (121) and the output shaft (10) as well as the output shaft (10) and the dampening device and/or the drive are in operative connection, characterized in that the output shaft (10) is configured according to any of the preceding claims.
9. A method for changing a potential mounting position of a door operator (120), wherein the door operator (120) is configured according to claim 8, characterized by the following steps:

   a) dismounting the output shaft (10) from the door operator (120),

   b) dismounting the adapter element (30) from the reception (41, 51) of the first (40) or the second reception element (50), in which the adapter element (30) is disposed,

   c) mounting the adapter element (30) into the reception (51, 41) of the second (50) or the first reception element (40), in which the adapter element (30) was not disposed,

   d) mounting the output shaft (10) into the door operator (120).

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