EP2811097B1 - Drive to operate the leaf of a door or window - Google Patents

Drive to operate the leaf of a door or window Download PDF

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Publication number
EP2811097B1
EP2811097B1 EP14170398.3A EP14170398A EP2811097B1 EP 2811097 B1 EP2811097 B1 EP 2811097B1 EP 14170398 A EP14170398 A EP 14170398A EP 2811097 B1 EP2811097 B1 EP 2811097B1
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EP
European Patent Office
Prior art keywords
spring
piston
driver
piston rod
drive
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EP14170398.3A
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German (de)
French (fr)
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EP2811097A1 (en
Inventor
Benjamin Wörner
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Geze GmbH
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Geze GmbH
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    • 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
    • E05F3/102—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 rack-and-pinion transmission between driving shaft and piston within the closer housing
    • 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
    • E05F3/22—Additional arrangements for closers, e.g. for holding the wing in opened or other position
    • E05F3/221—Mechanical power-locks, e.g. for holding the wing open or for free-moving zones
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/20—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore
    • E05Y2201/214—Disengaging means

Definitions

  • the invention relates to a drive for a wing of a door or a window according to the preamble of claim 1.
  • a door closer with a switchable freewheel function is known.
  • a piston In a housing filled with a hydraulic fluid, a piston is arranged such that it can be displaced against a spring.
  • the piston can be connected to a wing of a door via a tooth system and a pinion via a lever arrangement.
  • the spring supported on the piston is supported at the other end on a separating piston which is also displaceably arranged in the housing and which is hydraulically switchable. As a result, the spring can be held in a tensioned state between the piston and the separating piston, which can cause the door leaf to run freely.
  • the arrangement is complex and a hydraulic switching device is required. An automatic retraction of the freely movable sash near the closed position of the sash into the closed position is not provided.
  • the DE 10 2009 000 539 A1 discloses a door closer with a housing and with a piston guided in the housing and having a piston rod. Furthermore, a spring is arranged in the housing, which is acted upon when the wing is opened and is designed to automatically close the wing. A locking device is provided for locking the piston in the working cylinder, with the possibility of axially blocking the piston via locking means of the locking device. To fix the piston in the closing direction, a retaining pin arranged on the piston rod is supported on the housing by means of a detent rocker against the force of the spring when the locking device is activated.
  • a spring with a spring strength is arranged, whereby the spring can be fixed in the tensioned state, i.e. can be switched on or off.
  • the invention is based on the object of creating a drive for a wing of a door or a window with different spring strengths over the range of movement of the wing.
  • the drive has a housing filled with hydraulic fluid, in which a shaft is rotatably mounted, which cooperates in a known manner with a wing of a door or a window via a linkage arranged on the shaft, a piston being arranged in a receiving space in the housing whose pinion corresponds to one of the shaft.
  • a piston rod is arranged on the piston and cooperates with a coupling device with which a first spring can be coupled to the piston rod and thus to the piston.
  • there is a second spring which is arranged on the piston rod and which can also be coupled to the piston by means of the coupling device.
  • the coupling device is designed in such a way that when the wing is opened, the second spring is coupled in when the first spring is uncoupled.
  • the wing is initially closed by the second spring coupled to the piston, the second spring then being decoupled from the piston by the coupling device and the first spring being coupled to the piston at the same time.
  • a sharply decreasing opening moment can be brought about, whereby the further Opening is made easier for the operator. If a strong spring is selected in the area of a large door opening angle, it may be possible to avoid the sash hitting a building component or a piece of furniture.
  • a drive 3 which is integrated in a leaf 1 of a door, for the leaf 1, which is pivotably mounted in hinges, is shown together with an associated frame 2.
  • a slide rail 4, in which a slider 5 is guided, is installed in the frame 2.
  • the slider 5 is rotatably arranged at one end of an actuating arm 6, the other end of the actuating arm 6 being non-rotatably connected to a shaft 8 of the drive 3.
  • the drive 3 can also be integrated in the frame 2 and the slide rail 4 in the leaf 1. An arrangement of the drive 3 or the slide rail 4 resting on the sash 1 or the frame 2 is also possible.
  • the drive 3 has a housing 7 filled with a hydraulic fluid, in which the shaft 8 is rotatably mounted.
  • a piston 10 is arranged, which comprises a toothing 11, a damping piston 12 and a spring piston 14.
  • the receiving space 9 of the housing 7 can be sealed off on one side or on both sides with a closure cover.
  • a pinion 13 of the shaft 8 cooperates with the toothing 11 of the piston 10 to move it.
  • the damping piston 12 and the spring piston 14 are guided in a sealed manner against the inner wall of the receiving space 9 of the housing 7.
  • a first spring 15 can act on the spring piston 14 as an energy store, the first spring 15 being able to be switched ineffective in some areas by a coupling device 16.
  • the end of the first spring 15 can be supported on the housing 7 or on the spring-side closure cover.
  • the damping piston 12 closes a damping space 17 within the receiving space 9 in the housing 7, which is filled with hydraulic fluid, whereby a valve 18 can be arranged in the damping piston 12 with which the hydraulic fluid can flow over from or into the damping space 17 and thus the damping behavior of the drive 3 can be influenced.
  • a valve 18 can likewise be arranged in the spring piston 14 in order to enable a flow through the spring piston 14 at least in one direction of movement.
  • one or more overflow channels can be arranged in the housing 7, in which externally accessible, adjustable valves 18 for influencing the behavior of the drive 3 can be arranged.
  • a cylindrical piston rod 19 is fixed on the spring piston 14, for example by being screwed into a thread on the spring piston 14 or by being pressed in.
  • the piston rod 19 is guided in a driver 21, which in turn is received and guided in a locking sleeve 22.
  • the driver 21 has a collar 25 in the direction of the first spring 15 as a contact surface for the first spring 15.
  • a further, second spring 20 is arranged on the piston rod 19 between the driver 21 and the spring piston 14 of the piston 10. In the exemplary embodiment, the second spring 20 is opposite to the first spring 15 weaker executed.
  • the driver 21 advantageously has a plurality of spaced-apart recesses 26 circumferentially, in which latching elements 23 are arranged.
  • the locking elements 23 can be balls.
  • the locking sleeve 22 has recesses 29 into which the locking elements 23 can engage.
  • the recess 29 can advantageously be designed as a circumferential groove.
  • a rectangular or polygonal, for example hexagonal, piston rod 19 is also conceivable, the latching elements 23 then being able to be rollers.
  • the driver 21 and the locking sleeve 22 are accordingly to be designed to be adapted to the rectangular or polygonal shape.
  • the drive 3 is in the starting position with the wing 1 closed.
  • the pretensioned first spring 15 is supported at the end on the closure cover of the receiving space 9. At the other end, the first spring 15 rests on the collar 25 of the driver 21, as a result of which the driver 21 is urged in the direction of the spring piston 14.
  • the second spring 20 is pretensioned and is supported on the spring piston 14 and on the driver 21.
  • the piston rod 19 has recesses 28, which are shaped to be adapted to the latching elements 23, for controlling the coupling device 16. Instead of several recesses 28, an annular circumferential recess 28 can also be provided on the piston rod 19.
  • the locking elements 23 are located in the recesses 28 of the piston rod 19.
  • the locking elements 23 received in the recesses 26 of the driver 21 are located within the locking sleeve 22.
  • the locking elements 23 provide a coupling between the piston rod 19 and the driver 21.
  • Fig. 3 shows the drive 3 in a position with the wing 1 open by approx. 30 °.
  • the piston rod 19 is displaced in the direction of the first spring 15, with the in the recesses 28 of the piston rod 19 and in the recesses 26 of the driver 21 received locking elements 23 of the driver 21 is taken in the direction of the first spring 15.
  • the first spring 15 resting on the collar 25 of the driver 21 is tensioned in accordance with the displacement.
  • the transition is shown at which the locking elements 23 can just leave the area within the inner diameter of the locking sleeve 22, since the locking elements 23 can escape through the recesses 26 into the recesses 29 in the locking sleeve 22, whereby the driver 21 of the piston rod 19 is decoupled and supported on the locking sleeve 22.
  • the tensioned first spring 15 is determined. This begins the area for the further opening movement of the sash 1, in which the piston rod 19 is decoupled from the spring 15 and can be displaced through the driver 21.
  • the second spring 20 which is supported at the other end on the driver fixed in the locking sleeve 22, is tensioned, as shown in FIG Fig. 4 is shown.
  • the force of the first spring 15 is thus transmitted via the driver 21, the latching elements 23 and the recesses 28 to the piston rod 19, as a result of which the piston 10 is displaced in the closing direction of the wing 1. Due to the now re-existing coupling between the first spring 15 and the piston rod 19 by the coupling device 16, the leaf 1 is guided into the closed position by the drive 3 from the opening angle of approximately 30 ° selected here as an example.
  • the first spring 15 can also be weaker than the second spring 20.
  • the Figures 5 and 6 Diagrams are shown in which, by way of example, the effect of the arrangement with springs 15, 20 of different strengths is shown.
  • the arrangement is shown, the first spring 15 being stronger than the second spring 20, which can be read from the slope of the respective spring characteristic curve, shown here in a simplified linear manner.
  • the stronger first spring 15 has a greater increase in the force F acting on the piston 10 than the weaker spring 20.
  • the weak spring 20 first acts, whereby, with a given damping of the piston 10 in the closing direction, a slow closing movement takes place until the switch to the strong first spring 15 takes place by the driver 21 being decoupled from the locking sleeve 22 and with it the piston rod 19 is coupled.
  • the strong spring 15 now safely guides the wing 1 into its closed position with the required closing force.
  • FIG. 6 an embodiment is shown in which the first spring 15 is weaker than the second spring 20.
  • a slightly increasing force F acts on the piston 10.
  • the first spring 15 is then decoupled and locked in the tensioned state, the second, stronger spring 20 now being coupled in and thus becoming effective, which is shown in the diagram as an abrupt, almost vertical rise in the characteristic curve.
  • the piston 10 is acted upon by the strong second spring 20 with a more rapidly rising characteristic curve. If the wing 1 is thrown up violently in the opening direction, this can prevent the wing 1 from hitting against a wall, for example.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Fluid-Damping Devices (AREA)

Description

Die Erfindung betrifft einen Antrieb für einen Flügel einer Tür oder eines Fensters nach dem Oberbegriff des Anspruchs 1.The invention relates to a drive for a wing of a door or a window according to the preamble of claim 1.

Aus der DE 195 24 779 A1 ist ein Türschließer mit einer schaltbaren Freilauffunktion bekannt. In einem mit einer Hydraulikflüssigkeit gefüllten Gehäuse ist ein Kolben gegen eine Feder verschiebbar angeordnet. Der Kolben ist über eine Verzahnung und ein Ritzel über eine Hebelanordnung mit einem Flügel einer Tür verbindbar. Die sich auf dem Kolben abstützende Feder ist andernends auf einem ebenfalls verschiebbar im Gehäuse angeordneten Trennkolben abgestützt, welcher hydraulisch schaltbar ist. Dadurch kann die Feder in gespanntem Zustand zwischen dem Kolben und dem Trennkolben gehalten werden, wodurch ein Freilauf für den Flügel der Tür bewirkt werden kann.From the DE 195 24 779 A1 a door closer with a switchable freewheel function is known. In a housing filled with a hydraulic fluid, a piston is arranged such that it can be displaced against a spring. The piston can be connected to a wing of a door via a tooth system and a pinion via a lever arrangement. The spring supported on the piston is supported at the other end on a separating piston which is also displaceably arranged in the housing and which is hydraulically switchable. As a result, the spring can be held in a tensioned state between the piston and the separating piston, which can cause the door leaf to run freely.

Die Anordnung ist aufwändig, und es ist eine hydraulische Schaltvorrichtung erforderlich. Ein selbsttätiger Einzug des frei bewegbaren Flügels nahe der Schließlage des Flügels in die Schließposition ist nicht vorgesehen.The arrangement is complex and a hydraulic switching device is required. An automatic retraction of the freely movable sash near the closed position of the sash into the closed position is not provided.

Die DE 10 2009 000 539 A1 offenbart einen Türschließer mit einem Gehäuse und mit einem in dem Gehäuse geführten, eine Kolbenstange aufweisenden Kolben. Weiterhin ist in dem Gehäuse eine Feder angeordnet, welche beim Öffnen des Flügels beaufschlagt wird und zum selbsttätigen Schließen des Flügels ausgebildet ist. Es ist eine Feststelleinrichtung zur Feststellung des Kolbens im Arbeitszylinder vorgesehen, mit einer axialen Blockierungsmöglichkeit des Kolbens über Sperrmittel der Feststelleinrichtung. Zur Feststellung des Kolbens in Schließrichtung ist ein an der Kolbenstange angeordneter Haltezapfen bei aktivierter Feststelleinrichtung über eine Rastwippe gegen die Kraft der Feder am Gehäuse abgestützt.The DE 10 2009 000 539 A1 discloses a door closer with a housing and with a piston guided in the housing and having a piston rod. Furthermore, a spring is arranged in the housing, which is acted upon when the wing is opened and is designed to automatically close the wing. A locking device is provided for locking the piston in the working cylinder, with the possibility of axially blocking the piston via locking means of the locking device. To fix the piston in the closing direction, a retaining pin arranged on the piston rod is supported on the housing by means of a detent rocker against the force of the spring when the locking device is activated.

Bei dem aus dem Stand der Technik bekannten Türschließer ist eine Feder mit einer Federstärke angeordnet, wobei die Feder in gespanntem Zustand festgestellt, d.h. zu oder abgeschaltet werden kann.In the door closer known from the prior art, a spring with a spring strength is arranged, whereby the spring can be fixed in the tensioned state, i.e. can be switched on or off.

Der Erfindung liegt die Aufgabe zugrunde, einen Antrieb für einen Flügel einer Tür oder eines Fensters mit über den Bewegungsbereich des Flügels hinweg unterschiedlichen Federstärken zu schaffen.The invention is based on the object of creating a drive for a wing of a door or a window with different spring strengths over the range of movement of the wing.

Die Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst.The object is achieved by the features of claim 1.

Die Unteransprüche bilden vorteilhafte Ausgestaltungsmöglichkeiten der Erfindung.The subclaims form advantageous possible embodiments of the invention.

Der Antrieb weist ein mit einer Hydraulikflüssigkeit gefülltes Gehäuse auf, in welchem eine Welle drehbar gelagert ist, die in bekannter Weise mit einem Flügel einer Tür oder eines Fensters über ein an der Welle angeordnetes Gestänge zusammenwirkt, wobei in einem Aufnahmeraum in dem Gehäuse ein Kolben angeordnet ist, dessen Ritzel mit einem der Welle korrespondiert. Am Kolben ist eine Kolbenstange angeordnet, die mit einer Koppeleinrichtung zusammenwirkt, mit welcher eine erste Feder mit der Kolbenstange und somit mit dem Kolben koppelbar ist. Zusätzlich ist eine zweite Feder vorhanden, welche auf der Kolbenstange angeordnet ist und welche ebenfalls mittels der Koppeleinrichtung mit dem Kolben koppelbar ist. Die Koppeleinrichtung ist so ausgestaltet, dass beim Öffnen des Flügels mit dem Auskoppeln der ersten Feder die zweite Feder eingekoppelt wird. Umgekehrt erfolgt ein Schließen des Flügels zunächst durch die mit dem Kolben gekoppelte zweite Feder, wobei anschließend die zweite Feder durch die Koppeleinrichtung vom Kolben entkoppelt wird und gleichzeitig die erste Feder mit dem Kolben gekoppelt wird. Durch die Auswahl der Stärke der ersten und der zweiten Feder sind unterschiedliche Öffnungs- bzw. Schließmomente über den Bewegungsbereich des Flügels wählbar.The drive has a housing filled with hydraulic fluid, in which a shaft is rotatably mounted, which cooperates in a known manner with a wing of a door or a window via a linkage arranged on the shaft, a piston being arranged in a receiving space in the housing whose pinion corresponds to one of the shaft. A piston rod is arranged on the piston and cooperates with a coupling device with which a first spring can be coupled to the piston rod and thus to the piston. In addition, there is a second spring which is arranged on the piston rod and which can also be coupled to the piston by means of the coupling device. The coupling device is designed in such a way that when the wing is opened, the second spring is coupled in when the first spring is uncoupled. Conversely, the wing is initially closed by the second spring coupled to the piston, the second spring then being decoupled from the piston by the coupling device and the first spring being coupled to the piston at the same time. By selecting the strength of the first and the second spring, different opening and closing moments can be selected over the range of movement of the sash.

Durch eine geeignete Auswahl an Federn kann beispielsweise beim Öffnen des Flügels nach einem bestimmten Öffnungswinkel des Flügels, beispielsweise von ca. 30°, ein stark abfallendes Öffnungsmoment bewirkt werden, wodurch das weitere Öffnen für den Bediener erleichtert wird. Bei der Wahl einer starken Feder im Bereich eines großen Türöffnungswinkels kann ein Anschlagen des Flügels an ein Gebäudebauteil oder an ein Möbelstück möglicherweise vermieden werden.By means of a suitable selection of springs, for example when the sash is opened after a certain opening angle of the sash, for example of approximately 30 °, a sharply decreasing opening moment can be brought about, whereby the further Opening is made easier for the operator. If a strong spring is selected in the area of a large door opening angle, it may be possible to avoid the sash hitting a building component or a piece of furniture.

Im Nachfolgenden wird ein Ausführungsbeispiel in der Zeichnung anhand der Figuren näher erläutert.In the following, an exemplary embodiment is explained in more detail in the drawing with reference to the figures.

Dabei zeigen:

Fig. 1
einen Ausschnitt eines Flügels einer Tür mit zugehörigem Rahmen und mit einem Teilschnitt der Einbausituation eines integrierten Antriebs;
Fig. 2
den Antrieb in der Ausgangsstellung bei geschlossenem Flügel gemäß Fig. 1;
Fig. 3
den Antrieb in einer Stellung bei teilweise geöffnetem Flügel;
Fig. 4
den Antrieb gemäß Fig. 3, jedoch in einer weiter geöffneten Stellung des Flügels
Fig. 5
ein erstes Diagramm der auf den Kolben des Antriebs einwirkenden Federkraft.
Fig. 6
ein weiteres Diagramm gemäß Fig. 5.
Show:
Fig. 1
a section of a wing of a door with an associated frame and with a partial section of the installation situation of an integrated drive;
Fig. 2
the drive in the initial position with the sash closed according to Fig. 1 ;
Fig. 3
the drive in a position with the wing partially open;
Fig. 4
the drive according to Fig. 3 , but in a more open position of the wing
Fig. 5
a first diagram of the spring force acting on the piston of the drive.
Fig. 6
another diagram according to Fig. 5 .

In der Fig.1 ist ein in einem Flügel 1 einer Tür integrierter Antrieb 3 für den schwenkbar in Scharnieren gelagerten Flügel 1 zusammen mit einem zugehörigen Rahmen 2 dargestellt.In the Fig. 1 a drive 3, which is integrated in a leaf 1 of a door, for the leaf 1, which is pivotably mounted in hinges, is shown together with an associated frame 2.

Im Rahmen 2 ist eine Gleitschiene 4 eingebaut, in welcher ein Gleiter 5 geführt ist. Der Gleiter 5 ist an einem Ende eines Betätigungsarms 6 drehbar angeordnet, wobei das andere Ende des Betätigungsarms 6 mit einer Welle 8 des Antriebs 3 drehfest verbunden ist. Der Antrieb 3 kann auch im Rahmen 2 und die Gleitschiene 4 im Flügel 1 integriert sein. Möglich ist auch eine auf dem Flügel 1 oder dem Rahmen 2 aufliegende Anordnung des Antriebs 3 bzw. der Gleitschiene 4.A slide rail 4, in which a slider 5 is guided, is installed in the frame 2. The slider 5 is rotatably arranged at one end of an actuating arm 6, the other end of the actuating arm 6 being non-rotatably connected to a shaft 8 of the drive 3. The drive 3 can also be integrated in the frame 2 and the slide rail 4 in the leaf 1. An arrangement of the drive 3 or the slide rail 4 resting on the sash 1 or the frame 2 is also possible.

Der Antrieb 3 weist ein mit einer Hydraulikflüssigkeit gefülltes Gehäuse 7 auf, in welchem die Welle 8 drehbar gelagert ist. In einem Aufnahmeraum 9 in dem Gehäuse 7 ist ein Kolben 10 angeordnet, welcher eine Verzahnung 11, einen Dämpfungskolben 12 und einen Federkolben 14 umfasst. Endseitig kann der Aufnahmeraum 9 des Gehäuses 7 einseitig oder beidseitig mit einem Verschlussdeckel dichtend verschlossen sein. Ein Ritzel 13 der Welle 8 wirkt mit der Verzahnung 11 des Kolbens 10 zu dessen Verschiebung zusammen. Der Dämpfungskolben 12 und der Federkolben 14 sind abgedichtet gegen die Innenwandung des Aufnahmeraums 9 des Gehäuses 7 geführt. Auf den Federkolben 14 kann eine erste Feder 15 als Energiespeicher einwirken, wobei die erste Feder 15 durch eine Koppeleinrichtung 16 bereichsweise wirkungslos schaltbar ist. Die erste Feder 15 kann sich endseitig am Gehäuse 7 bzw. auf dem federseitigen Verschlussdeckel abstützen.The drive 3 has a housing 7 filled with a hydraulic fluid, in which the shaft 8 is rotatably mounted. In a receiving space 9 in the housing 7 a piston 10 is arranged, which comprises a toothing 11, a damping piston 12 and a spring piston 14. At the end, the receiving space 9 of the housing 7 can be sealed off on one side or on both sides with a closure cover. A pinion 13 of the shaft 8 cooperates with the toothing 11 of the piston 10 to move it. The damping piston 12 and the spring piston 14 are guided in a sealed manner against the inner wall of the receiving space 9 of the housing 7. A first spring 15 can act on the spring piston 14 as an energy store, the first spring 15 being able to be switched ineffective in some areas by a coupling device 16. The end of the first spring 15 can be supported on the housing 7 or on the spring-side closure cover.

Der Dämpfungskolben 12 schließt einen Dämpfungsraum 17 innerhalb des mit Hydraulikflüssigkeit gefüllten Aufnahmeraums 9 im Gehäuse 7 ab, wobei im Dämpfungskolben 12 ein Ventil 18 angeordnet sein kann, mit welchem ein Überströmen der Hydraulikflüssigkeit vom bzw. in den Dämpfungsraum 17 und damit das Dämpfungsverhalten des Antriebs 3 beeinflussbar ist. Im Federkolben 14 kann ebenfalls ein Ventil 18 angeordnet sein, um zumindest in einer Bewegungsrichtung ein Durchströmen des Federkolbens 14 zu ermöglichen. Alternativ oder zusätzlich können im Gehäuse 7 ein oder mehrere Überströmkanäle angeordnet sein, in denen von außen zugängliche, einstellbare Ventile 18 zur Beeinflussung des Verhaltens des Antriebs 3 angeordnet sein können.The damping piston 12 closes a damping space 17 within the receiving space 9 in the housing 7, which is filled with hydraulic fluid, whereby a valve 18 can be arranged in the damping piston 12 with which the hydraulic fluid can flow over from or into the damping space 17 and thus the damping behavior of the drive 3 can be influenced. A valve 18 can likewise be arranged in the spring piston 14 in order to enable a flow through the spring piston 14 at least in one direction of movement. Alternatively or additionally, one or more overflow channels can be arranged in the housing 7, in which externally accessible, adjustable valves 18 for influencing the behavior of the drive 3 can be arranged.

Am Federkolben 14 ist eine zylindrische Kolbenstange 19, beispielsweise durch Einschrauben in ein Gewinde am Federkolben 14 oder durch Einpressen, festgelegt.A cylindrical piston rod 19 is fixed on the spring piston 14, for example by being screwed into a thread on the spring piston 14 or by being pressed in.

Die Kolbenstange 19 ist in einem Mitnehmer 21 geführt, welcher wiederum in einer Rasthülse 22 aufgenommen und geführt ist. Der Mitnehmer 21 weist in Richtung auf die erste Feder 15 hin einen Bund 25 als Anlagefläche für die erste Feder 15 auf. Zwischen dem Mitnehmer 21 und dem Federkolben 14 des Kolbens 10 ist eine weitere, zweite Feder 20 auf der Kolbenstange 19 angeordnet. Die zweite Feder 20 ist im Ausführungsbeispiel gegenüber der ersten Feder 15 schwächer ausgeführt. Der Mitnehmer 21 weist umlaufend vorteilhaft mehrere beabstandete Aussparungen 26 auf, in welchen Rastelemente 23 angeordnet sind. Die Rastelemente 23 können Kugeln sein. Die Rasthülse 22 weist Vertiefungen 29 auf, in welche die Rastelemente 23 eingreifen können. Vorteilhaft kann die Vertiefung 29 als umlaufende Nut ausgebildet sein. In anderer Ausgestaltung der Koppeleinrichtung 16 ist auch eine rechteckige oder vieleckige, beispielsweise sechseckige Kolbenstange 19 denkbar, wobei die Rastelemente 23 dann Rollen sein können. Der Mitnehmer 21 und die Rasthülse 22 sind demgemäß der rechteckigen oder vieleckigen Form angepasst auszubilden.The piston rod 19 is guided in a driver 21, which in turn is received and guided in a locking sleeve 22. The driver 21 has a collar 25 in the direction of the first spring 15 as a contact surface for the first spring 15. A further, second spring 20 is arranged on the piston rod 19 between the driver 21 and the spring piston 14 of the piston 10. In the exemplary embodiment, the second spring 20 is opposite to the first spring 15 weaker executed. The driver 21 advantageously has a plurality of spaced-apart recesses 26 circumferentially, in which latching elements 23 are arranged. The locking elements 23 can be balls. The locking sleeve 22 has recesses 29 into which the locking elements 23 can engage. The recess 29 can advantageously be designed as a circumferential groove. In another embodiment of the coupling device 16, a rectangular or polygonal, for example hexagonal, piston rod 19 is also conceivable, the latching elements 23 then being able to be rollers. The driver 21 and the locking sleeve 22 are accordingly to be designed to be adapted to the rectangular or polygonal shape.

In der Fig. 2 befindet sich der Antrieb 3 in der Ausgangsstellung bei geschlossenem Flügel 1. Die vorgespannt montierte erste Feder 15 stützt sich endseitig am Verschlussdeckel des Aufnahmeraums 9 ab. Andernends liegt die erste Feder 15 am Bund 25 des Mitnehmers 21 an, wodurch der Mitnehmer 21 in Richtung auf den Federkolben 14 beaufschlagt ist. Die zweite Feder 20 ist vorgespannt und stützt sich auf dem Federkolben 14 und auf dem Mitnehmer 21 ab. Die Kolbenstange 19 weist den Rastelementen 23 angepasst ausgeformte Ausnehmungen 28 zur Steuerung der Koppeleinrichtung 16 auf. Anstelle mehrerer Ausnehmungen 28 kann auch eine ringförmig umlaufende Ausnehmung 28 an der Kolbenstange 19 vorgesehen sein. Die Rastelemente 23 befinden sich in den Ausnehmungen 28 der Kolbenstange 19. Die in den Aussparungen 26 des Mitnehmers 21 aufgenommenen Rastelemente 23 befinden sich innerhalb der Rasthülse 22. Es besteht durch die Rastelemente 23 eine Kopplung zwischen der Kolbenstange 19 und dem Mitnehmer 21.In the Fig. 2 the drive 3 is in the starting position with the wing 1 closed. The pretensioned first spring 15 is supported at the end on the closure cover of the receiving space 9. At the other end, the first spring 15 rests on the collar 25 of the driver 21, as a result of which the driver 21 is urged in the direction of the spring piston 14. The second spring 20 is pretensioned and is supported on the spring piston 14 and on the driver 21. The piston rod 19 has recesses 28, which are shaped to be adapted to the latching elements 23, for controlling the coupling device 16. Instead of several recesses 28, an annular circumferential recess 28 can also be provided on the piston rod 19. The locking elements 23 are located in the recesses 28 of the piston rod 19. The locking elements 23 received in the recesses 26 of the driver 21 are located within the locking sleeve 22. The locking elements 23 provide a coupling between the piston rod 19 and the driver 21.

Fig. 3 zeigt den Antrieb 3 in einer Stellung mit ca. 30° geöffnetem Flügel 1. Durch die Bewegung des Kolbens 10 ist die Kolbenstange 19 in Richtung auf die erste Feder 15 verschoben, wobei durch die in den Ausnehmungen 28 der Kolbenstange 19 und in den Aussparungen 26 des Mitnehmers 21 aufgenommenen Rastelemente 23 der Mitnehmer 21 in Richtung auf die erste Feder 15 mitgenommen ist. Die am Bund 25 des Mitnehmers 21 aufliegenden ersten Feder 15 ist entsprechend der Verschiebung gespannt. Fig. 3 shows the drive 3 in a position with the wing 1 open by approx. 30 °. As a result of the movement of the piston 10, the piston rod 19 is displaced in the direction of the first spring 15, with the in the recesses 28 of the piston rod 19 and in the recesses 26 of the driver 21 received locking elements 23 of the driver 21 is taken in the direction of the first spring 15. The first spring 15 resting on the collar 25 of the driver 21 is tensioned in accordance with the displacement.

In der Fig. 3 ist der Übergang dargestellt, an dem die Rastelemente 23 den Bereich innerhalb des Innendurchmessers der Rasthülse 22 gerade verlassen können, da die Rastelemente 23 durch die Aussparungen 26 in die Vertiefungen 29 in der Rasthülse 22 hinein ausweichen können, wodurch der Mitnehmer 21 von der Kolbenstange 19 entkoppelt und an der Rasthülse 22 abgestützt wird. Die gespannte erste Feder 15 wird festgestellt. Damit beginnt der Bereich für die weitere Öffnungsbewegung des Flügels 1, in dem die Kolbenstange 19 von der Feder 15 entkoppelt durch den Mitnehmer 21 hindurch verschiebbar ist. Jedoch wird durch die weitere Verschiebebewegung des Kolbens 10 die zweite Feder 20, welche andernends an dem in der Rasthülse 22 festgelegten Mitnehmer abgestützt ist, gespannt, wie es in der Fig. 4 gezeigt ist.In the Fig. 3 the transition is shown at which the locking elements 23 can just leave the area within the inner diameter of the locking sleeve 22, since the locking elements 23 can escape through the recesses 26 into the recesses 29 in the locking sleeve 22, whereby the driver 21 of the piston rod 19 is decoupled and supported on the locking sleeve 22. The tensioned first spring 15 is determined. This begins the area for the further opening movement of the sash 1, in which the piston rod 19 is decoupled from the spring 15 and can be displaced through the driver 21. However, due to the further displacement movement of the piston 10, the second spring 20, which is supported at the other end on the driver fixed in the locking sleeve 22, is tensioned, as shown in FIG Fig. 4 is shown.

Wird der Flügel 1 wieder in Richtung seiner Schließlage geführt, wird die Schließbewegung durch die zweite Feder 20 unterstützt, und der Kolben 10 erreicht erneut die Stellung gemäß Fig. 3, wobei zum leichten Lösen der Kopplung des Mitnehmers 21 mit der Rasthülse 22 an jeder der Vertiefungen 29 an der dem Federkolben 14 zugewandten Seite eine flach ansteigender Vertiefungsauslauf 30 vorgesehen sein kann, wodurch das Anheben der Rastelemente 23 aus den Vertiefungen 29 heraus begünstigt ist.If the wing 1 is guided again in the direction of its closed position, the closing movement is supported by the second spring 20, and the piston 10 again reaches the position according to FIG Fig. 3 In order to easily release the coupling of the driver 21 with the locking sleeve 22 on each of the depressions 29 on the side facing the spring piston 14, a gently rising depression outlet 30 can be provided, whereby the lifting of the locking elements 23 out of the depressions 29 is facilitated.

Es erfolgt somit eine Übertragung der Kraft der ersten Feder 15 über den Mitnehmer 21, die Rastelemente 23 und die Ausnehmungen 28 auf die Kolbenstange 19, wodurch der Kolben 10 in Schließrichtung des Flügels 1 verschoben wird. Durch die nun wieder bestehende Kopplung zwischen der ersten Feder 15 und der Kolbenstange 19 durch die Koppeleinrichtung 16 wird der Flügel 1 ab dem hier beispielhaft gewählten Öffnungswinkel von ca. 30° durch den Antrieb 3 in die Schließlage geführt.The force of the first spring 15 is thus transmitted via the driver 21, the latching elements 23 and the recesses 28 to the piston rod 19, as a result of which the piston 10 is displaced in the closing direction of the wing 1. Due to the now re-existing coupling between the first spring 15 and the piston rod 19 by the coupling device 16, the leaf 1 is guided into the closed position by the drive 3 from the opening angle of approximately 30 ° selected here as an example.

Gegenüber der im Ausführungsbeispiel gezeigten Anordnung mit einer gegenüber der ersten Feder 15 schwächeren zweiten Feder 20 kann umgekehrt die erste Feder 15 auch schwächer sein als die zweite Feder 20. In den Figuren 5 und 6 sind Diagramme gezeigt, in welchen beispielhaft die Auswirkung der Anordnung mit unterschiedlich starken Federn 15, 20 dargestellt ist.In contrast to the arrangement shown in the exemplary embodiment with a second spring 20 that is weaker than the first spring 15, conversely, the first spring 15 can also be weaker than the second spring 20. In the Figures 5 and 6 Diagrams are shown in which, by way of example, the effect of the arrangement with springs 15, 20 of different strengths is shown.

Die im Diagramme in den Figuren 5 und 6 zeigen die auf den Kolben 10 einwirkende Kraft F über dem Weg s des Kolbens 10. Der Bereich der Kennlinie mit der jeweils wirksamen Feder 15, 20 ist mit dem zugeordneten Bezugszeichen der jeweiligen Feder 15, 20 gekennzeichnet.The diagrams in the Figures 5 and 6 show the force F acting on the piston 10 over the path s of the piston 10. The area of the characteristic curve with the respectively active spring 15, 20 is identified with the associated reference number of the respective spring 15, 20.

Im Diagramm in Fig. 5 ist die Anordnung dargestellt, wobei die erste Feder 15 stärker ist als die zweite Feder 20, was aus der Steigung der jeweiligen, hier vereinfacht als linear dargestellten Federkennlinie ablesbar ist. Die stärkere erste Feder 15 weist einen stärkeren Anstieg der auf den Kolben 10 einwirkenden Kraft F auf, als die schwächere Feder 20.In the diagram in Fig. 5 the arrangement is shown, the first spring 15 being stronger than the second spring 20, which can be read from the slope of the respective spring characteristic curve, shown here in a simplified linear manner. The stronger first spring 15 has a greater increase in the force F acting on the piston 10 than the weaker spring 20.

Ausgehend von der Stellung des Kolbens 10 in der Ausgangsstellung bei geschlossenem Flügel 1, wie zu Fig. 2 beschrieben, wobei die zweite Feder 20 unwirksam ist, da der Mitnehmer 21 mit der Kolbenstange 19 gekoppelt ist, steigt aufgrund der wirksamen erste Feder 15 beim Öffnen des Flügels 1 durch die Verschiebebewegung des Kolbens 10 die Kraft F zunächst stark an, bis die Kolbenstange 19 von der ersten Feder 15 entkoppelt und diese in gespanntem Zustand festgestellt wird. Daran anschließend wirkt bei der weiteren Öffnungsbewegung die zweite Feder 20, welche sich auf dem mit der Rasthülse 22 gekoppelten Mitnehmer 21 abgestützt. Die annähernd senkrecht abfallende Kennlinie zeigt diesen Übergang von der starken ersten Feder 15 auf die schwache zweite Feder 20, wobei sich die nun flacher ansteigende Kennlinie der zweiten Feder 20 anschließt. Durch diese Anordnung wird ein stark abfallendes Öffnungsmoment für den Bediener der Tür beim Öffnen des Flügels 1 erreicht, wodurch das weitere Öffnen wesentlich erleichtert wird.Starting from the position of the piston 10 in the starting position with the wing 1 closed, as shown in FIG Fig. 2 described, whereby the second spring 20 is ineffective, since the driver 21 is coupled to the piston rod 19, due to the effective first spring 15 when the wing 1 is opened by the displacement of the piston 10, the force F initially rises sharply until the piston rod 19 decoupled from the first spring 15 and this is determined in the tensioned state. Subsequently, during the further opening movement, the second spring 20 acts, which is supported on the driver 21 coupled to the locking sleeve 22. The characteristic curve, which drops almost vertically, shows this transition from the strong first spring 15 to the weak second spring 20, with the now flatter rising characteristic curve of the second spring 20 following. This arrangement results in a sharply decreasing opening moment for the operator of the door when opening the sash 1, which makes further opening much easier.

Umgekehrt wirkt bei der Schließbewegung des Antriebs 3 zunächst die schwache Feder 20, wodurch bei vorgegebener Dämpfung des Kolbens 10 in Schließrichtung eine langsame Schließbewegung erfolgt, bis das Umschalten auf die starke erste Feder 15 erfolgt, indem der Mitnehmer 21 von der Rasthülse 22 entkoppelt und mit der Kolbenstange 19 gekoppelt wird. Die starke Feder 15 führt nun den Flügel 1 mit der erforderlichen Schließkraft sicher in seine Schließlage.Conversely, during the closing movement of the drive 3, the weak spring 20 first acts, whereby, with a given damping of the piston 10 in the closing direction, a slow closing movement takes place until the switch to the strong first spring 15 takes place by the driver 21 being decoupled from the locking sleeve 22 and with it the piston rod 19 is coupled. The strong spring 15 now safely guides the wing 1 into its closed position with the required closing force.

In der Fig. 6 ist eine Ausführung dargestellt, wobei die erste Feder 15 schwächer ist, als die zweite Feder 20 ist. Ausgehend von der Ausgangsstellung des Kolbens 10 gemäß Fig. 2, wirkt eine gering ansteigende Kraft F auf den Kolben 10 ein. Wie beschrieben, wird dann die erste Feder 15 entkoppelt und in gespanntem Zustand festgestellt, wobei die zweite, stärkere Feder 20 nun eingekoppelt und somit wirksam wird, was sich im Diagramm als sprunghaften, nahezu senkrechten Anstieg der Kennlinie zeigt. Der Kolben 10 wird bei der weiteren Bewegung durch die starke zweite Feder 20 mit stärker ansteigender Kennlinie beaufschlagt. Wird der Flügel 1 heftig in Öffnungsrichtung aufgeworfen, kann dadurch ein Anschlagen des Flügels 1, beispielsweise an eine Wand, vermieden werden.In the Fig. 6 an embodiment is shown in which the first spring 15 is weaker than the second spring 20. Starting from the starting position of the piston 10 according to FIG Fig. 2 , a slightly increasing force F acts on the piston 10. As described, the first spring 15 is then decoupled and locked in the tensioned state, the second, stronger spring 20 now being coupled in and thus becoming effective, which is shown in the diagram as an abrupt, almost vertical rise in the characteristic curve. As the movement continues, the piston 10 is acted upon by the strong second spring 20 with a more rapidly rising characteristic curve. If the wing 1 is thrown up violently in the opening direction, this can prevent the wing 1 from hitting against a wall, for example.

Liste der ReferenzzeichenList of reference characters 11 Flügelwing 2121 MitnehmerCarrier 22 Rahmenframe 2222nd RasthülseLocking sleeve 33 Antriebdrive 2323 RastelementeLocking elements 44th GleitschieneSlide rail 2424 StützringSupport ring 55 GleiterGlider 2525th BundFederation 66th BetätigungsarmOperating arm 2626th AussparungRecess 77th Gehäusecasing 2727 HülsenschrägeSleeve bevel 88th Wellewave 2828 AusnehmungRecess 99 AufnahmeraumRecording room 2929 Vertiefungdeepening 1010 Kolbenpiston 3030th VertiefungsauslaufDeepening outlet 1111 VerzahnungInterlocking FF. Kraftforce 1212th DämpfungskolbenDamping piston ss Wegpath 1313th Ritzelpinion 1414th FederkolbenSpring piston 1515th erste Federfirst spring 1616 KoppeleinrichtungCoupling device 1717th DämpfungsraumDamping space 1818th VentilValve 1919th KolbenstangePiston rod 2020th zweite Federsecond spring

Claims (8)

  1. Drive (3) for a door leaf (1) or window sash, having a housing (7) and having a piston (10), which is guided in a receiving space (9) of the housing (7) and on which there is arranged a piston rod (19), further having a first spring (15), which is arranged in the receiving space (9) and which is tensioned upon opening of the leaf/sash (1) and which is designed for automatically closing the leaf/sash (1), and having a second spring (20) and a coupling device (16),
    characterized
    in that the second spring (20) and the coupling device (16) are arranged on the piston rod (19), wherein the coupling device (16) is designed to couple or decouple the first spring (15) or the second spring (20) to the piston (10) or from the piston (10), and the coupling device (16) comprises a latching sleeve (22) which is fixed in the receiving space (9) and which has a driver (21) guided in the latching sleeve (22) and provided with at least one cut-out (26), and comprises at least one latching element (23) received in the cut-out (26) .
  2. Drive according to Claim 1,
    characterized in that the first spring (15) is supported on the driver (21) and on the housing (7).
  3. Drive according to Claim 1,
    characterized in that the second spring (20) is supported on the driver (21) and on the piston (10).
  4. Drive according to either of Claims 1 and 2, characterized in that the piston rod (19) engages through the driver (21).
  5. Drive according to Claim 1,
    characterized in that a displacement of the piston rod (19) urges the latching element (23) into a depression (29) of the latching sleeve (22).
  6. Drive according to Claim 1,
    characterized in that the spring-loaded driver (21) urges the latching element (23) into a recess (28) in the piston rod (19).
  7. Drive according to Claim 1,
    characterized in that the latching element (23) is guided in the cut-out (26) in the driver (21).
  8. Drive according to Claim 1,
    characterized in that the release device (16) fixes the first spring (15) in the tensioned state so as to be decoupled from the piston (10).
EP14170398.3A 2013-06-06 2014-05-28 Drive to operate the leaf of a door or window Active EP2811097B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013210518.5A DE102013210518B4 (en) 2013-06-06 2013-06-06 Drive for a leaf of a door or a window

Publications (2)

Publication Number Publication Date
EP2811097A1 EP2811097A1 (en) 2014-12-10
EP2811097B1 true EP2811097B1 (en) 2021-06-23

Family

ID=50819660

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14170398.3A Active EP2811097B1 (en) 2013-06-06 2014-05-28 Drive to operate the leaf of a door or window

Country Status (2)

Country Link
EP (1) EP2811097B1 (en)
DE (1) DE102013210518B4 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19524779A1 (en) 1995-07-07 1997-01-09 Geze Gmbh & Co Automatic door closing actuator with free-run facility - has hydraulic lines which interconnect hydraulic chambers in actuator and can be connect to non-pressurised area
GB2415463B (en) 2004-06-26 2008-05-28 Jebron Ltd Door closer
DE102009000539A1 (en) 2009-02-02 2010-08-19 Geze Gmbh Drive for leaf of door, has retaining pins arranged at piston rod and supported by activated locking device via snap-fit rocker against force of closing spring for fixing piston in closing direction
DE202012000695U1 (en) * 2012-01-24 2012-03-06 Roto Frank Ag Opening support device for a window, a door or the like and a corresponding window

Also Published As

Publication number Publication date
DE102013210518A1 (en) 2014-12-11
EP2811097A1 (en) 2014-12-10
DE102013210518B4 (en) 2022-05-12

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