EP2811097B1 - Entraînement pour un battant de porte ou de fenêtre - Google Patents

Entraînement pour un battant de porte ou de fenêtre 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
Authority
EP
European Patent Office
Prior art keywords
spring
piston
driver
piston rod
drive
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.)
Active
Application number
EP14170398.3A
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German (de)
English (en)
Other versions
EP2811097A1 (fr
Inventor
Benjamin Wörner
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.)
Geze GmbH
Original Assignee
Geze GmbH
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Publication date
Application filed by Geze GmbH filed Critical Geze GmbH
Publication of EP2811097A1 publication Critical patent/EP2811097A1/fr
Application granted granted Critical
Publication of EP2811097B1 publication Critical patent/EP2811097B1/fr
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Anticipated expiration legal-status Critical

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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
    • E05F3/102—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 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
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • 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.

Landscapes

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

Claims (8)

  1. Entraînement (3) destiné à un battant (1) d'une porte ou d'une fenêtre, ledit entraînement comprenant un boîtier (7) et un piston (10) qui est guidé dans un espace de réception (9) du boîtier (7) et sur lequel est disposée une tige de piston (19), et comprenant en outre un premier ressort (15), qui est disposé dans l'espace de réception (9) et qui est tendu lors de l'ouverture du battant (1) et qui est conçu pour fermer automatiquement le battant (1), et un deuxième ressort (20) et un dispositif d'accouplement (16),
    caractérisé en ce que
    le deuxième ressort (20) et le dispositif d'accouplement (16) sont disposés sur la tige de piston (19), le dispositif d'accouplement (16) étant conçu pour accoupler le premier ressort (15) ou le deuxième ressort (20) au piston (10) ou les désaccoupler du piston (10), et le dispositif d'accouplement (16) comprend un manchon d'encliquetage (22), fixé dans l'espace de réception (9) et pourvu d'un entraîneur (21) guidé dans le manchon d'encliquetage (22) et pourvu d'au moins un évidement (26), et au moins un élément d'encliquetage (23) reçu dans l'évidement (26).
  2. Entraînement selon la revendication 1,
    caractérisé en ce que le premier ressort (15) prend appui sur l'entraîneur (21) et sur le boîtier (7).
  3. Entraînement selon la revendication 1,
    caractérisé en ce que le deuxième ressort (20) prend appui sur l'entraîneur (21) et sur le piston (10).
  4. Entraînement selon l'une des revendications 1 et 2,
    caractérisé en ce que la tige de piston (19) s'engage à travers l'entraîneur (21).
  5. Entraînement selon la revendication 1,
    caractérisé en ce qu'un déplacement de la tige de piston (19) pousse l'élément d'encliquetage (23) jusque dans une cavité (29) du manchon d'encliquetage (22).
  6. Entraînement selon la revendication 1,
    caractérisé en ce que l'entraînement à ressort (21) pousse l'élément d'encliquetage (23) jusque dans un évidement (28) de la tige de piston (19).
  7. Entraînement selon la revendication 1,
    caractérisé en ce que l'élément d'encliquetage (23) est guidé dans l'évidement (26) de l'entraîneur (21).
  8. Entraînement selon la revendication 1,
    caractérisé en ce que le dispositif de libération (16) fixe le premier ressort (15) à l'état tendu de manière désaccouplée du piston (10).
EP14170398.3A 2013-06-06 2014-05-28 Entraînement pour un battant de porte ou de fenêtre Active EP2811097B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013210518.5A DE102013210518B4 (de) 2013-06-06 2013-06-06 Antrieb für einen Flügel einer Tür oder eines Fensters

Publications (2)

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

Family

ID=50819660

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14170398.3A Active EP2811097B1 (fr) 2013-06-06 2014-05-28 Entraînement pour un battant de porte ou de fenêtre

Country Status (2)

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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19524779A1 (de) 1995-07-07 1997-01-09 Geze Gmbh & Co Türschließer mit schaltbarer Freilauffunktion
GB2415463B (en) 2004-06-26 2008-05-28 Jebron Ltd Door closer
DE102009000539A1 (de) 2009-02-02 2010-08-19 Geze Gmbh Antrieb für einen Flügel einer Tür
DE202012000695U1 (de) 2012-01-24 2012-03-06 Roto Frank Ag Öffnungsunterstützungsvorrichtung für ein Fenster, eine Tür oder dergleichen sowie ein entsprechendes Fenster

Also Published As

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

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