EP2738332A1 - Door actuator - Google Patents

Door actuator Download PDF

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Publication number
EP2738332A1
EP2738332A1 EP13005346.5A EP13005346A EP2738332A1 EP 2738332 A1 EP2738332 A1 EP 2738332A1 EP 13005346 A EP13005346 A EP 13005346A EP 2738332 A1 EP2738332 A1 EP 2738332A1
Authority
EP
European Patent Office
Prior art keywords
piston
door operator
axis
housing
central axis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP13005346.5A
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German (de)
French (fr)
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EP2738332B1 (en
Inventor
Alexander Hellwig
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dormakaba Deutschland GmbH
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Dorma Deutschland GmbH
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Publication date
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Publication of EP2738332A1 publication Critical patent/EP2738332A1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
    • E05F3/10—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
    • E05F3/104—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction with cam-and-slide transmission between driving shaft and piston within the closer housing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Type of wing
    • E05Y2900/132—Doors

Definitions

  • the present invention relates to a door operator for actuating a door leaf.
  • the prior art knows different types of door operators, especially door closers, power door closers or door drives.
  • the door operator is attached either to the door or to the wall or the frame.
  • the output shaft of the door operator is connected via a linkage with the wall or frame.
  • the output shaft is connected via the linkage with the door leaf.
  • a cam disc is used on the output shaft for conversion between a rotational movement of the output shaft and a linear movement of the piston guided in the housing.
  • an axis of rotation of the output shaft intersects the central axis of the linearly movable piston.
  • a door operator comprising a housing and a rotatably mounted in the housing output shaft.
  • a cam disc is arranged rotatably.
  • a first linearly guided piston is located in the housing.
  • the piston cooperates with the cam, so that a mutual conversion between a rotational movement of the output shaft and a linear movement of the first piston takes place.
  • the output shaft rotates by definition about an axis of rotation.
  • the axis passing through the center of the first piston and along which the piston moves linearly is referred to as the center axis. According to the invention, it is provided that the axis of rotation does not intersect the central axis. The axis of rotation is thus aligned offset from the central axis.
  • This offset between the axis of rotation and central axis allows a variety of new designs, both with respect to the geometry of the cam and with respect.
  • the construction of linearly guided piston For example, the offset allows a correspondingly large fly radius of the cam. It makes sense to choose an asymmetric cam contour. This asymmetric contour offers extended possibilities for forming the characteristic of the door operator.
  • the axis of rotation is preferably perpendicular to the central axis, but does not intersect the central axis. Furthermore, it is preferably provided that between the rotation axis and the central axis at least a distance of 2mm, preferably of at least 4mm, is given.
  • the output shaft is preferably mounted with two bearings in the housing.
  • the axis of rotation passes through the centers of the two bearings.
  • bearing shells are preferably provided.
  • the bearing shells are usually designed disk-shaped. It is provided in particular that at least one of the two bearings is eccentrically inserted into the bearing shell. This has to the advantage that the corresponding hole in the housing can be set in the middle. The axis of the bore thus intersects the central axis.
  • In the bearing shell is an eccentric recess into which the corresponding bearing is inserted.
  • a first pressure roller is preferably arranged in the first piston. This pressure roller rolls off the cam disk.
  • the door operator comprises a second piston.
  • the second piston has a second pressure roller.
  • the second pressure roller also rolls off the cam disc.
  • the cam is located between the two pressure rollers.
  • the second piston is linearly movable relative to the housing along the same central axis.
  • the two pressure rollers are each rotatably mounted about a pressure roller rotation axis. These pressure roller rotation axes are perpendicular to the central axis and in particular parallel to the axis of rotation of the output shaft.
  • the two pistons are interconnected by means of at least one web.
  • This at least one web is guided past the output shaft.
  • the offset between the axis of rotation and the central axis is particularly advantageous in this fixed connection of the two pistons.
  • maximum cross sections of the webs can be realized.
  • a window for the maximum flight radius of the cam on one half of the piston can be saved.
  • FIGS. 1 to 4 a first embodiment of a door operator 1 presented.
  • Fig. 5 shows a detail of a second embodiment.
  • Fig. 6 shows a sectional view of a third embodiment.
  • the same or functionally identical components are provided in all embodiments with the same reference numerals.
  • the door operator 1 according to Fig. 1 comprises a housing 2.
  • an output shaft 3 is rotatably mounted.
  • the output shaft 3 projects out of the housing 2 at two opposite points.
  • a polygon 14 is formed on the output shaft 3.
  • a cam plate 4 is arranged rotatably.
  • a first piston 5 is guided linearly movable in the housing 2.
  • a second piston 6 in the housing 2 is guided linearly movable.
  • the housing 2 is closed at its two end faces with lids 10. Between the first piston 5 and one of the cover 10, an energy storage 9, designed as a compression spring arranged. The energy storage 9 is supported at one end against the first piston 5 and at the other end against the cover 10th
  • first pressure roller 7 is mounted in the first piston 5.
  • second pressure roller 8 is mounted in the second piston 6.
  • the two pressure rollers 7, 8 roll on the cam plate 4 from.
  • the output shaft 3 is rotatably mounted about a rotation axis 11. Through the center of the housing 2 extends a central axis 12.
  • the central axis 12 passes through the center of the two pistons 5, 6.
  • the pistons 5, 6 each have end faces.
  • the central axis 12 extends through the centers of these end faces.
  • the two pressure rollers 7, 8 each rotate about a pressure roller rotation axis 13.
  • Fig. 3 shows a section through the door operator 1. To see is integrally integrated into the housing 2 hydraulic channel 16. From the outside shows Fig. 1 the course of the hydraulic channel 16.
  • Offset between the central axis 12 and the axis of rotation 11 creates sufficient space for integration of this hydraulic channel 16.
  • the hydraulic channel 16 extends on the output shaft 3 over.
  • FIG. 3 two bearings 17 for supporting the output shaft 3 in the housing 2.
  • a bearing shell 18 is inserted. Due to the eccentric arrangement of the bearing 17 in the bearing shell 18, the offset between the rotation axis 11 and center axis 12 is defined.
  • eccentric arrangement of the bearing 17 in the bearing shell 18 allows a relatively simple attachment of the bearing shell 18 in the housing 2.
  • a fastening wire 19 is inserted into a groove between the bearing shell 18 and the housing 2.
  • Fig. 4 shows only the output shaft 3 with the cam 4 and the mounting wire 19. The remaining components of the door operator 1 are hidden for clarity. It can be seen that the fastening wire 19 is formed in the form of a loop, so as to connect the bearing shell 18 with the housing 2.
  • Fig. 5 shows a section through the door operator 1 according to the second embodiment.
  • the pressure roller rotation axes 13 intersect the center axis 12.
  • the second embodiment shows a further offset between the pressure roller rotation axis 13 of the second pressure roller and the center axis 12.
  • the pressure roller rotation axes 13 can be adjusted with respect to FIG Central axis 12 different be arranged so as to change the characteristics of the door operator.
  • the second exemplary embodiment shows a bearing of the second piston 6 in the first piston 5.
  • Fig. 6 shows a section through the door operator 1 according to the third embodiment.
  • the third embodiment shows that also the lower bearing 17 can be eccentrically inserted into a bearing shell 18.
  • This bearing shell 18 is again located centrally in the housing 2.
  • the third embodiment shows that instead of the hydraulic channel 16 and the complete space for the maximum flight radius of the cam plate 4 can be used.

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  • Power-Operated Mechanisms For Wings (AREA)
  • Transmission Devices (AREA)

Abstract

The door actuator (1) has housing (2) with rotatably mounted driven shaft (3) which extends along a rotational axis (11) which is offset from central axis (12). A cam disk (4) is rotationally fixed on the output shaft. A piston (5) is linearly guided along central axis. The piston and cam are arranged for mutual conversion between a rotary motion of the output shaft and linear motion of the piston.

Description

Die vorliegende Erfindung betrifft einen Türbetätiger zum Betätigen eines Türflügels.The present invention relates to a door operator for actuating a door leaf.

Der Stand der Technik kennt unterschiedliche Bauarten von Türbetätigern, insbesondere Türschließer, Servotürschließer oder Türantriebe. Der Türbetätiger wird entweder am Türflügel oder an der Wand bzw. der Zarge befestigt. Bei einer Befestigung des Türbetätigers am Türflügel wird die Abtriebswelle des Türbetätigers über ein Gestänge mit der Wand oder Zarge verbunden. Bei einer Befestigung des Türbetätigers an Wand oder Zarge wird die Abtriebswelle über das Gestänge mit dem Türflügel verbunden. In vorbekannten Türbetätigern gemäß dem Oberbegriff des Anspruchs 1 wird eine Nockenscheibe auf der Abtriebswelle zur Umsetzung zwischen einer Rotationsbewegung der Abtriebswelle und einer Linearbewegung des im Gehäuse geführten Kolbens genutzt. Dabei schneidet eine Rotationsachse der Abtriebswelle die Mittelachse der linearbeweglichen Kolben. Bisher ging man davon aus, dass diese symmetrische Anordnung zu einer vorteilhaften symmetrischen Bearbeitung und zu einem entsprechend optimalen Kraftangriff zwischen den Komponenten führt.The prior art knows different types of door operators, especially door closers, power door closers or door drives. The door operator is attached either to the door or to the wall or the frame. When mounting the door operator on the door the output shaft of the door operator is connected via a linkage with the wall or frame. When attaching the door operator to the wall or frame, the output shaft is connected via the linkage with the door leaf. In previously known door actuators according to the preamble of claim 1, a cam disc is used on the output shaft for conversion between a rotational movement of the output shaft and a linear movement of the piston guided in the housing. In this case, an axis of rotation of the output shaft intersects the central axis of the linearly movable piston. Previously, it was assumed that this symmetrical arrangement leads to an advantageous symmetrical machining and a correspondingly optimal force application between the components.

Es ist Aufgabe vorliegender Erfindung einen Türbetätiger anzugeben, der bei kostengünstiger Herstellung und Montage betriebssicher funktioniert.It is an object of the present invention to provide a door operator, which works reliable at low cost production and assembly.

Die Lösung dieser Aufgabe erfolgt durch die Merkmale des unabhängigen Anspruchs. Die Unteransprüche haben bevorzugte Weiterbildungen der Erfindung zum Gegenstand.The solution of this object is achieved by the features of the independent claim. The dependent claims have preferred developments of the invention the subject.

Somit wird die Aufgabe gelöst durch einen Türbetätiger umfassend ein Gehäuse und eine im Gehäuse drehbeweglich gelagerte Abtriebswelle. Auf der Abtriebswelle ist eine Nockenscheibe drehfest angeordnet. Des Weiteren befindet sich in dem Gehäuse ein erster linear geführter Kolben. Der Kolben wirkt mit der Nockenscheibe zusammen, so dass eine wechselseitige Umsetzung zwischen einer Rotationsbewegung der Abtriebswelle und einer Linearbewegung des ersten Kolbens erfolgt. Die Abtriebswelle dreht sich definitionsgemäß um eine Rotationsachse. Die Achse, die durch die Mitte des ersten Kolbens verläuft und entlang derer sich der Kolben linear bewegt wird als Mittelachse bezeichnet. Erfindungsgemäß ist vorgesehen, dass die Rotationsachse die Mittelachse nicht schneidet. Die Rotationsachse ist somit versetzt zur Mittelachse ausgerichtet. Dieser Versatz zwischen Rotationsachse und Mittelachse ermöglicht verschiedenste neue Ausgestaltungen, sowohl bzgl. der Geometrie der Nockenscheibe als auch bzgl. der Konstruktion von linear geführten Kolben. Zum Beispiel ermöglicht der Versatz einen entsprechend großen Flugradius der Nockenscheibe. Hierbei bietet es sich an, eine asymmetrische Nockenkontur zu wählen. Diese asymmetrische Kontur bietet erweiterte Möglichkeiten zur Ausbildung der Charakteristik des Türbetätigers.Thus, the object is achieved by a door operator comprising a housing and a rotatably mounted in the housing output shaft. On the output shaft, a cam disc is arranged rotatably. Furthermore, a first linearly guided piston is located in the housing. The piston cooperates with the cam, so that a mutual conversion between a rotational movement of the output shaft and a linear movement of the first piston takes place. The output shaft rotates by definition about an axis of rotation. The axis passing through the center of the first piston and along which the piston moves linearly is referred to as the center axis. According to the invention, it is provided that the axis of rotation does not intersect the central axis. The axis of rotation is thus aligned offset from the central axis. This offset between the axis of rotation and central axis allows a variety of new designs, both with respect to the geometry of the cam and with respect. The construction of linearly guided piston. For example, the offset allows a correspondingly large fly radius of the cam. It makes sense to choose an asymmetric cam contour. This asymmetric contour offers extended possibilities for forming the characteristic of the door operator.

Die Rotationsachse steht bevorzugt senkrecht zur Mittelachse, schneidet jedoch die Mittelachse nicht. des Weiteren ist bevorzugt vorgesehen, dass zwischen der Rotationsachse und der Mittelachse zumindest ein Abstand von 2mm, vorzugsweise von zumindest 4mm, gegeben ist.The axis of rotation is preferably perpendicular to the central axis, but does not intersect the central axis. Furthermore, it is preferably provided that between the rotation axis and the central axis at least a distance of 2mm, preferably of at least 4mm, is given.

Die Abtriebswelle ist bevorzugt mit zwei Lagern im Gehäuse gelagert. Die Rotationsachse verläuft definitionsgemäß durch die Mittelpunkte der beiden Lager. Zur Aufnahme der Lager im Gehäuse sind bevorzugt Lagerschalen vorgesehen. Die Lagerschalen sind in der Regel scheibenförmig ausgestaltet. Dabei ist insbesondere vorgesehen, dass zumindest eines der beiden Lager exzentrisch in die Lagerschale eingesetzt ist. Dies hat zum Vorteil, dass die entsprechende Bohrung im Gehäuse mittig gesetzt werden kann. Die Achse der Bohrung schneidet somit die Mittelachse. In der Lagerschale befindet sich eine exzentrische Ausnehmung, in die das entsprechende Lager eingesetzt ist.The output shaft is preferably mounted with two bearings in the housing. By definition, the axis of rotation passes through the centers of the two bearings. To accommodate the bearings in the housing bearing shells are preferably provided. The bearing shells are usually designed disk-shaped. It is provided in particular that at least one of the two bearings is eccentrically inserted into the bearing shell. this has to the advantage that the corresponding hole in the housing can be set in the middle. The axis of the bore thus intersects the central axis. In the bearing shell is an eccentric recess into which the corresponding bearing is inserted.

Im ersten Kolben ist bevorzugt eine erste Druckrolle angeordnet. Diese Druckrolle rollt an der Nockenscheibe ab.In the first piston, a first pressure roller is preferably arranged. This pressure roller rolls off the cam disk.

Besonders bevorzugt umfasst der Türbetätiger einen zweiten Kolben. Der zweite Kolben weist eine zweite Druckrolle auf. Die zweite Druckrolle rollt ebenfalls an der Nockenscheibe ab. Die Nockenscheibe befindet sich zwischen den beiden Druckrollen. Der zweite Kolben ist gegenüber dem Gehäuse entlang der selben Mittelachse linear beweglich.Particularly preferably, the door operator comprises a second piston. The second piston has a second pressure roller. The second pressure roller also rolls off the cam disc. The cam is located between the two pressure rollers. The second piston is linearly movable relative to the housing along the same central axis.

Die beiden Druckrollen sind jeweils um eine Druckrollenrotationsachse drehbar gelagert. Diese Druckrollenrotationsachsen stehen senkrecht zur Mittelachse und insbesondere parallel zur Rotationsachse der Abtriebswelle.The two pressure rollers are each rotatably mounted about a pressure roller rotation axis. These pressure roller rotation axes are perpendicular to the central axis and in particular parallel to the axis of rotation of the output shaft.

Für die Position der Druckrollenrotationsachsen gibt es bevorzugt mehrere Varianten:

  • In einer ersten Variante schneiden die beiden Druckrollenrotationsachsen die Mittelachse. Aufgrund des erfindungsgemäßen Versatzes zwischen Rotationsachse und Mittelachse bedarf es trotz dieser symmetrischen Anordnung der Druckrollen keiner weiteren Komponenten zur Verdrehsicherung der Kolben. Dementsprechend entfallen weitere Bearbeitungsschritte an den Kolben und deren Montage vereinfacht sich. Durch die mittige bzw. symmetrische Anordnung der Druckrollen in den Kolben kann das Gehäuse möglichst schmal aufgebaut werden. Darüber hinaus können identische Komponenten sowohl für DIN L und DIN R Türbetätiger verwendet werden. Ferner ergeben sich aus der symmetrischen Anordnung der Druckrollen bessere Querschnitte der Kolben, wodurch der Einsatz von Führungs- bzw. Dichtungsringen bei bestimmten, kleinen Baugrößen erst möglich wird.
  • In der zweiten Variante ist es vorgesehen, zusätzlich zu dem Versatz zwischen der Rotationsachse und der Mittelachse auch eine oder beide Druckrollenrotationsachsen gegenüber der Mittelachse zu versetzen. Dadurch sind unterschiedlichste Ausgestaltungen in der Charakteristik des Türbetätigers möglich.
For the position of the pressure roller rotation axes, there are preferably several variants:
  • In a first variant, the two pressure roller rotation axes intersect the central axis. Due to the inventive offset between the axis of rotation and central axis, despite this symmetrical arrangement of the pressure rollers requires no further components to prevent rotation of the piston. Accordingly, account for further processing steps on the piston and their assembly is simplified. Due to the central or symmetrical arrangement of the pressure rollers in the piston, the housing can be constructed as narrow as possible. In addition, identical components can be used for both DIN L and DIN R door actuators. Furthermore, resulting from the symmetrical arrangement of the pressure rollers better cross-sections of the piston, whereby the use of guide or sealing rings in certain, small sizes is only possible.
  • In the second variant, it is provided, in addition to the offset between the rotation axis and the center axis, to offset one or both of the pressure roller rotation axes with respect to the center axis. As a result, a variety of configurations in the characteristics of the door operator are possible.

Des Weiteren ist bevorzugt vorgesehen, dass die beiden Kolben mittels zumindest einem Steg miteinander verbunden sind. Dieser zumindest eine Steg ist an der Abtriebswelle vorbeigeführt. Der Versatz zwischen Rotationsachse und Mittelachse ist insbesondere bei dieser festen Verbindung der beiden Kolben von Vorteil. Hier können maximale Querschnitte der Stege realisiert werden. Darüber hinaus kann ein Fenster für den maximalen Flugradius der Nockenscheibe auf einer Hälfte des Kolbens eingespart werden.Furthermore, it is preferably provided that the two pistons are interconnected by means of at least one web. This at least one web is guided past the output shaft. The offset between the axis of rotation and the central axis is particularly advantageous in this fixed connection of the two pistons. Here maximum cross sections of the webs can be realized. In addition, a window for the maximum flight radius of the cam on one half of the piston can be saved.

Durch den Versatz zwischen Rotationsachse und Mittelachse benötigt die Nockenscheibe im besten Fall nur eine Freimachung, insbesondere eine Aussparung, für den maximalen Flugradius auf einer Hälfte des Innenraums im Gehäuse, wodurch die restliche Wandung des Gehäuses zum Tragen und Übertragen der Kolbenkräfte genutzt werden kann. Des Weiteren bietet der Versatz zwischen Rotationsachse und Mittelachse einen guten Spielraum zur Ausbildung von Hydraulikkanälen im Gehäuse. Diese Hydraulikkanäle sind in dem Gehäuse integriert. Insbesondere ist es durch die erfindungsgemäße Anordnung der Abtriebswelle möglich, einen in das Gehäuse integrierten Hydraulikkanal an der Abtriebswelle vorbeizuführen. Die Erfindung wird nun anhand von Ausführungsbeispielen näher beschrieben. Dabei zeigen:

Fig. 1
einen erfindungsgemäßen Türbetätiger gemäß einem ersten Ausführungsbeispiel,
Fig. 2
eine Detailansicht des erfindungsgemäßen Türbetätigers gemäß dem ersten Ausführungsbeispiel,
Fig. 3
eine Schnittansicht des erfindungsgemäßen Türbetätigers gemäß dem ersten Ausführungsbeispiel,
Fig. 4
eine weitere Detailansicht des erfindungsgemäßen Türbetätigers gemäß dem ersten Ausführungsbeispiel,
Fig. 5
ein Detail des erfindungsgemäßen Türbetätigers gemäß einem zweiten Ausführungsbeispiel, und
Fig. 6
eine Schnittansicht des erfindungsgemäßen Türbetätigers gemäß einem dritten Ausführungsbeispiel.
Due to the offset between the axis of rotation and the center axis, the cam disk in the best case requires only one franking, in particular a recess, for the maximum flight radius on one half of the interior in the housing, whereby the remaining wall of the housing can be used for carrying and transmitting the piston forces. Furthermore, the offset between the rotation axis and center axis offers a good margin for the formation of hydraulic channels in the housing. These hydraulic channels are integrated in the housing. In particular, it is possible by the arrangement according to the invention of the output shaft to pass a hydraulic channel integrated into the housing on the output shaft. The invention will now be described in more detail by means of exemplary embodiments. Showing:
Fig. 1
a door operator according to the invention according to a first embodiment,
Fig. 2
a detailed view of the door actuator according to the invention according to the first embodiment,
Fig. 3
a sectional view of the door actuator according to the invention according to the first embodiment,
Fig. 4
a further detail view of the door actuator according to the invention according to the first embodiment,
Fig. 5
a detail of the door actuator according to the invention according to a second embodiment, and
Fig. 6
a sectional view of the door actuator according to the invention according to a third embodiment.

Im Folgenden wird anhand der Figuren 1 bis 4 ein erstes Ausführungsbeispiel eines Türbetätigers 1 vorgestellt. Fig. 5 zeigt ein Detail eines zweiten Ausführungsbeispiels. Fig. 6 zeigt eine Schnittansicht zu einem dritten Ausführungsbeispiel. Gleiche bzw. funktional gleiche Bauteile sind in allen Ausführungsbeispielen mit den selben Bezugszeichen versehen.The following is based on the FIGS. 1 to 4 a first embodiment of a door operator 1 presented. Fig. 5 shows a detail of a second embodiment. Fig. 6 shows a sectional view of a third embodiment. The same or functionally identical components are provided in all embodiments with the same reference numerals.

Der Türbetätiger 1 gemäß Fig. 1 umfasst ein Gehäuse 2. In dem Gehäuse 2 ist eine Abtriebswelle 3 drehbeweglich gelagert. Die Abtriebswelle 3 ragt an zwei gegenüberliegenden Stellen aus dem Gehäuse 2 heraus. Zur Anbindung eines Gestänges an die Abtriebswelle 3 ist ein Mehrkant 14 auf der Abtriebswelle 3 ausgebildet.The door operator 1 according to Fig. 1 comprises a housing 2. In the housing 2, an output shaft 3 is rotatably mounted. The output shaft 3 projects out of the housing 2 at two opposite points. For connection a linkage to the output shaft 3, a polygon 14 is formed on the output shaft 3.

In Fig. 2 ist der Übersichtlichkeit halber das Gehäuse 2 ausgeblendet. Zu sehen ist, dass auf der Abtriebswelle 3 eine Nockenscheibe 4 drehfest angeordnet ist. Auf einer ersten Seite der Nockenscheibe 4 ist ein erster Kolben 5 linear beweglich im Gehäuse 2 geführt. Auf der gegenüberliegenden Seite ist ein zweiter Kolben 6 im Gehäuse 2 linear beweglich geführt.In Fig. 2 For the sake of clarity, the housing 2 is hidden. It can be seen that on the output shaft 3, a cam plate 4 is arranged rotatably. On a first side of the cam disk 4, a first piston 5 is guided linearly movable in the housing 2. On the opposite side, a second piston 6 in the housing 2 is guided linearly movable.

Das Gehäuse 2 ist an seinen beiden Stirnseiten mit Deckeln 10 verschlossen. Zwischen dem ersten Kolben 5 und einem der Deckel 10 ist ein Energiespeicher 9, ausgebildet als Druckfeder, angeordnet. Der Energiespeicher 9 stützt sich mit einem Ende gegen den ersten Kolben 5 und mit dem anderen Ende gegen den Deckel 10.The housing 2 is closed at its two end faces with lids 10. Between the first piston 5 and one of the cover 10, an energy storage 9, designed as a compression spring arranged. The energy storage 9 is supported at one end against the first piston 5 and at the other end against the cover 10th

In dem ersten Kolben 5 ist eine erste Druckrolle 7 gelagert. In dem zweiten Kolben 6 ist eine zweite Druckrolle 8 gelagert. Die beiden Druckrollen 7, 8 rollen auf der Nockenscheibe 4 ab.In the first piston 5, a first pressure roller 7 is mounted. In the second piston 6, a second pressure roller 8 is mounted. The two pressure rollers 7, 8 roll on the cam plate 4 from.

Die Abtriebswelle 3 ist um eine Rotationsachse 11 drehbar gelagert. Durch die Mitte des Gehäuses 2 erstreckt sich eine Mittelachse 12. Die Mittelachse 12 geht durch die Mitte der beiden Kolben 5, 6. Insbesondere weisen die Kolben 5, 6 jeweils Stirnflächen auf. Die Mittelachse 12 verläuft durch die Mittelpunkte dieser Stirnflächen. Die beiden Druckrollen 7, 8 drehen jeweils um eine Druckrollenrotationsachse 13.The output shaft 3 is rotatably mounted about a rotation axis 11. Through the center of the housing 2 extends a central axis 12. The central axis 12 passes through the center of the two pistons 5, 6. In particular, the pistons 5, 6 each have end faces. The central axis 12 extends through the centers of these end faces. The two pressure rollers 7, 8 each rotate about a pressure roller rotation axis 13.

Die Rotationsachse 11 ist um einen Versatz 15 von der Mittelachse 12 beabstandet. Fig. 3 zeigt einen Schnitt durch den Türbetätiger 1. Zu sehen ist ein integral in das Gehäuse 2 integrierter Hydraulikkanal 16. Von außen zeigt Fig. 1 den Verlauf des Hydraulikkanals 16. Durch den erfindungsgemäßen Versatz zwischen Mittelachse 12 und Rotationsachse 11 entsteht ausreichend Bauraum zur Integration dieses Hydraulikkanals 16. Der Hydraulikkanal 16 verläuft dabei an der Abtriebswelle 3 vorbei.The axis of rotation 11 is spaced by an offset 15 from the central axis 12. Fig. 3 shows a section through the door operator 1. To see is integrally integrated into the housing 2 hydraulic channel 16. From the outside shows Fig. 1 the course of the hydraulic channel 16. By the invention Offset between the central axis 12 and the axis of rotation 11 creates sufficient space for integration of this hydraulic channel 16. The hydraulic channel 16 extends on the output shaft 3 over.

Des Weiteren zeigt Fig. 3 zwei Lager 17 zur Lagerung der Abtriebswelle 3 im Gehäuse 2. An der oberen Lagerstelle 17 ist eine Lagerschale 18 eingesetzt. Durch die exzentrische Anordnung des Lagers 17 in der Lagerschale 18 ist der Versatz zwischen Rotationsachse 11 und Mittelachse 12 definiert.Further shows Fig. 3 two bearings 17 for supporting the output shaft 3 in the housing 2. At the upper bearing 17, a bearing shell 18 is inserted. Due to the eccentric arrangement of the bearing 17 in the bearing shell 18, the offset between the rotation axis 11 and center axis 12 is defined.

Des Weiteren ermöglicht die exzentrische Anordnung des Lagers 17 in der Lagerschale 18 eine relativ einfache Befestigung der Lagerschale 18 im Gehäuse 2. Im gezeigten Ausführungsbeispiel wird ein Befestigungsdraht 19 in eine Nut zwischen der Lagerschale 18 und dem Gehäuse 2 eingesetzt.Furthermore, the eccentric arrangement of the bearing 17 in the bearing shell 18 allows a relatively simple attachment of the bearing shell 18 in the housing 2. In the illustrated embodiment, a fastening wire 19 is inserted into a groove between the bearing shell 18 and the housing 2.

Fig. 4 zeigt lediglich die Abtriebswelle 3 mit der Nockenscheibe 4 und den Befestigungsdraht 19. Die restlichen Bauteile des Türbetätigers 1 sind der Übersichtlichkeit halber ausgeblendet. Zu sehen ist, dass der Befestigungsdraht 19 in Form einer Schlinge ausgeformt ist, um so die Lagerschale 18 mit dem Gehäuse 2 zu verbinden. Fig. 4 shows only the output shaft 3 with the cam 4 and the mounting wire 19. The remaining components of the door operator 1 are hidden for clarity. It can be seen that the fastening wire 19 is formed in the form of a loop, so as to connect the bearing shell 18 with the housing 2.

Fig. 5 zeigt einen Schnitt durch den Türbetätiger 1 gemäß dem zweiten Ausführungsbeispiel. Fig. 5 shows a section through the door operator 1 according to the second embodiment.

Im ersten Ausführungsbeispiel schneiden die Druckrollenrotationsachsen 13 die Mittelachse 12. Im Gegensatz dazu zeigt das zweite Ausführungsbeispiel einen weiteren Versatz zwischen der Druckrollenrotationsachse 13 der zweiten Druckrolle und der Mittelachse 12. Wie der Vergleich zwischen dem ersten und zweiten Ausführungsbeispiel zeigt, können die Druckrollenrotationsachsen 13 bezüglich der Mittelachse 12 unterschiedlich angeordnet werden, um so die Charakteristik des Türbetätigers zu verändern.In the first embodiment, the pressure roller rotation axes 13 intersect the center axis 12. In contrast, the second embodiment shows a further offset between the pressure roller rotation axis 13 of the second pressure roller and the center axis 12. As the comparison between the first and second embodiments shows, the pressure roller rotation axes 13 can be adjusted with respect to FIG Central axis 12 different be arranged so as to change the characteristics of the door operator.

Des Weiteren zeigt das zweite Ausführungsbeispiel eine Lagerung des zweiten Kolbens 6 im ersten Kolben 5. Alternativ dazu ist es auch möglich, die beiden Kolben 5, 6 über Stege fest miteinander zu verbinden, wobei dann beide Kolben 5, 6 an der Innenfläche des Gehäuses 2 gelagert sind.Furthermore, the second exemplary embodiment shows a bearing of the second piston 6 in the first piston 5. Alternatively, it is also possible to firmly connect the two pistons 5, 6 to one another via webs, in which case both pistons 5, 6 on the inner surface of the housing 2 are stored.

Fig. 6 zeigt einen Schnitt durch den Türbetätiger 1 gemäß dem dritten Ausführungsbeispiel. Das dritte Ausführungsbeispiel zeigt, dass auch das untere Lager 17 exzentrisch in eine Lagerschale 18 eingesetzt werden kann. Diese Lagerschale 18 befindet sich wiederum mittig im Gehäuse 2. Des Weiteren zeigt das dritte Ausführungsbeispiel, dass anstatt des Hydraulikkanals 16 auch der vollständige Bauraum für den maximalen Flugradius der Nockenscheibe 4 genutzt werden kann. Fig. 6 shows a section through the door operator 1 according to the third embodiment. The third embodiment shows that also the lower bearing 17 can be eccentrically inserted into a bearing shell 18. This bearing shell 18 is again located centrally in the housing 2. Furthermore, the third embodiment shows that instead of the hydraulic channel 16 and the complete space for the maximum flight radius of the cam plate 4 can be used.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Türbetätigerdoor actuators
22
Gehäusecasing
33
Abtriebswelleoutput shaft
44
Nockenscheibecam
55
erster Kolbenfirst piston
66
zweiter Kolbensecond piston
77
erste Druckrollefirst pressure roller
88th
zweite Druckrollesecond pressure roller
99
Energiespeicherenergy storage
1010
Deckelcover
1111
Rotationsachseaxis of rotation
1212
Mittelachsecentral axis
1313
DruckrollenrotationsachsePressure roller axis of rotation
1414
Mehrkantpolygon
1515
Versatzoffset
1616
Hydraulikkanalhydraulic channel
1717
Lagercamp
1818
Lagerschalebearing shell
1919
Befestigungsdrahtmounting wire

Claims (11)

Türbetätiger (1) umfassend - ein Gehäuse (2), - eine im Gehäuse (2) drehbeweglich gelagerte Abtriebswelle (3), die sich entlang einer Rotationsachse (11) erstreckt, - eine drehfest auf der Abtriebswelle (3) angeordnete Nockenscheibe (4), und - einen im Gehäuse (2) entlang einer Mittelachse (12) linear geführten ersten Kolben (5), - wobei der erste Kolben (5) und die Nockenscheibe (4) zur wechselseitigen Umsetzung zwischen einer Rotationsbewegung der Abtriebswelle (3) und einer Linearbewegung des ersten Kolbens (5) angeordnet sind, dadurch gekennzeichnet, dass
die Rotationsachse (11) versetzt zur Mittelachse (12) ausgerichtet ist.Door operator (1) comprising a housing (2), - a housing (2) rotatably mounted output shaft (3) extending along a rotation axis (11), - A rotationally fixed on the output shaft (3) arranged cam disc (4), and - A in the housing (2) along a central axis (12) linearly guided first piston (5), - Wherein the first piston (5) and the cam disc (4) for mutual conversion between a rotational movement of the output shaft (3) and a linear movement of the first piston (5) are arranged, characterized in that
the axis of rotation (11) offset from the central axis (12) is aligned. Türbetätiger nach Anspruch 1, dadurch gekennzeichnet, dass die Rotationsachse (11)senkrecht zur Mittelachse (12) steht.Door operator according to claim 1, characterized in that the rotation axis (11) is perpendicular to the central axis (12). Türbetätiger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Rotationsachse (11) um zumindest 2 mm, vorzugsweise um zumindest 4 mm, zur Mittelachse (12) versetzt ist.Door operator according to one of the preceding claims, characterized in that the axis of rotation (11) is offset by at least 2 mm, preferably by at least 4 mm, from the central axis (12). Türbetätiger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Abtriebswelle (3) mit zwei Lagern (17) im Gehäuse (2) gelagert ist, wobei die Rotationsachse (11) durch die Mittelpunkte der beiden Lager (17) verläuft.Door operator according to one of the preceding claims, characterized in that the output shaft (3) with two bearings (17) in the housing (2) is mounted, wherein the rotation axis (11) through the centers of the two bearings (17). Türbetätiger nach Anspruch 4, dadurch gekennzeichnet, dass zumindest eines der beiden Lager (17) exzentrisch in einer Lagerschale (18) angeordnet ist.Door operator according to claim 4, characterized in that at least one of the two bearings (17) is arranged eccentrically in a bearing shell (18). Türbetätiger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass im ersten Kolben (5) eine an der Nockenscheibe (4) abrollende erste Druckrolle (7) angeordnet ist.Door operator according to one of the preceding claims, characterized in that in the first piston (5) on the cam disc (4) rolling first pressure roller (7) is arranged. Türbetätiger nach einem der vorhergehenden Ansprüche, gekennzeichnet durch einen zweiten entlang der Mittelachse (12) linear geführten Kolben (6), wobei im zweiten Kolben (6) eine an der Nockenscheibe (4) abrollende zweite Druckrolle (8) angeordnet ist.Door operator according to one of the preceding claims, characterized by a second along the central axis (12) linearly guided piston (6), wherein in the second piston (6) on the cam disc (4) rolling second pressure roller (8) is arranged. Türbetätiger nach den Ansprüchen 6 und 7, dadurch gekennzeichnet, dass die beiden Druckrollen (7, 8) jeweils um eine Druckrollenrotationsachse (13) drehbar sind, wobei die beiden Druckrollenrotationsachsen (13) die Mittelachse (12) schneiden.Door operator according to claims 6 and 7, characterized in that the two pressure rollers (7, 8) each about a Druckrollenrotationsachse (13) are rotatable, wherein the two Druckrollenrotationsachsen (13) intersect the central axis (12). Türbetätiger nach einem der Ansprüche 7 oder 8, dadurch gekennzeichnet, dass die beiden Kolben (5, 6) über zumindest einen Steg miteinander verbunden sind.Door operator according to one of claims 7 or 8, characterized in that the two pistons (5, 6) are connected to each other via at least one web. Türbetätiger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der erste Kolben (5) und/oder der zweite Kolben (6) jeweils zwei gegenüberliegende Stirnflächen aufweist, wobei die Mittelachse (12) durch die Mittelpunkte der beiden Stirnflächen verläuft.Door operator according to one of the preceding claims, characterized in that the first piston (5) and / or the second piston (6) each have two opposite end faces, wherein the central axis (12) extends through the centers of the two end faces. Türbetätiger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass im Gehäuse (2) zumindest ein Hydraulikkanal (16) integriert ist, wobei der Hydraulikkanal (16) an der Abtriebswelle (3) vorbei geführt ist.Door operator according to one of the preceding claims, characterized in that in the housing (2) at least one hydraulic channel (16) is integrated, wherein the hydraulic channel (16) on the output shaft (3) is guided over.
EP13005346.5A 2012-11-28 2013-11-13 Door actuator Active EP2738332B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012111536.2A DE102012111536A1 (en) 2012-11-28 2012-11-28 door actuators

Publications (2)

Publication Number Publication Date
EP2738332A1 true EP2738332A1 (en) 2014-06-04
EP2738332B1 EP2738332B1 (en) 2020-07-08

Family

ID=49641450

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Country Status (4)

Country Link
EP (1) EP2738332B1 (en)
CN (1) CN103850566A (en)
DE (1) DE102012111536A1 (en)
DK (1) DK2738332T3 (en)

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WO2006068005A1 (en) * 2004-12-21 2006-06-29 Ryobi Ltd. Door closer
US20110030167A1 (en) * 2009-08-07 2011-02-10 Heng Kuo Co., Ltd. Adjustable hinged door closer
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CN108868428B (en) * 2017-05-12 2021-10-19 多玛凯拔德国有限公司 Door actuator

Also Published As

Publication number Publication date
DE102012111536A1 (en) 2014-05-28
EP2738332B1 (en) 2020-07-08
CN103850566A (en) 2014-06-11
DK2738332T3 (en) 2020-09-21

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