EP0841452B1 - Ferme-porte avec un dispositif de stockage d'énergie pour fermer le battant de porte - Google Patents

Ferme-porte avec un dispositif de stockage d'énergie pour fermer le battant de porte Download PDF

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Publication number
EP0841452B1
EP0841452B1 EP97119014A EP97119014A EP0841452B1 EP 0841452 B1 EP0841452 B1 EP 0841452B1 EP 97119014 A EP97119014 A EP 97119014A EP 97119014 A EP97119014 A EP 97119014A EP 0841452 B1 EP0841452 B1 EP 0841452B1
Authority
EP
European Patent Office
Prior art keywords
spring
energy store
door
bodies
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.)
Expired - Lifetime
Application number
EP97119014A
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German (de)
English (en)
Other versions
EP0841452A3 (fr
EP0841452A2 (fr
Inventor
Kersten Dr. Bernhardt
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Geze GmbH filed Critical Geze GmbH
Publication of EP0841452A2 publication Critical patent/EP0841452A2/fr
Publication of EP0841452A3 publication Critical patent/EP0841452A3/fr
Application granted granted Critical
Publication of EP0841452B1 publication Critical patent/EP0841452B1/fr
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Expired - Lifetime legal-status Critical Current

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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
    • 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 invention relates to a door closer with an energy store according to the Preamble of claim 1.
  • DE 195 42 050 A1 describes a door closer for a door with a door leaf known, with a single energy storage device for closing the door leaf, is designed softer than a closer spring, with the energy store at Opening movement of the door leaf at least partially loaded and when Closing is at least partially discharged, and wherein a device for Setting the closing and / or opening speed is provided, for.
  • B. a hydraulic or pneumatic damping device with piston-cylinder unit.
  • the energy store can be on torsion or axially on train or Be stressed and has a non-linear characteristic when opening and / or when closing.
  • Door closers with a closer spring as an energy store are also known, e.g. hydraulic door closers, in which the closer spring with a piston-cylinder unit interacts.
  • the piston-cylinder unit is via a gearbox connected to the closer spring, which directly or via a power transmission linkage is connected to the door.
  • Such door closers are e.g. described in DE-OS 36 38 353.
  • Closer springs used in door closers have conventional linear Spring characteristics, i.e. the spring force increases proportionally over the spring stroke.
  • helical compression springs are used.
  • Closer springs are also known which are designed as torsion springs, e.g. as a coil spring in DE-OS 41 00 335, as a spiral spring in DE-OS 32 02 930, or as a torsion bar spring in DE-OS 44 26 274.
  • the object of the invention is to provide a door closer of the type mentioned create that is simple and compact and also has a good moment history supplies.
  • the energy storage for Closing the door leaf supported at least one between two support elements Has spring body, the spring body being linear or curved is rod-shaped.
  • the spring body is subjected to axial pressure or tension and / or axially subjected to pressure or tension and torsion.
  • spring bodies of the same length are parallel, or arranged almost parallel to one another, preferably opposite one another common central axis inclined and arranged symmetrically around this.
  • the support elements When loading or unloading the energy store, the support elements in be moved against each other in the axial direction and / or rotated against each other.
  • the energy store has a non-linear characteristic.
  • the spring bodies become elastic as a result of the charging or discharging process bent and / or twisted.
  • the bending direction and the maximum bending of the Spring body can be specified by a guide device. Farther it is possible to unload the spring body to influence the characteristic Preload the state of the energy storage.
  • One of the two support elements can be rotatably mounted.
  • a return spring reaches an additional total stroke, the loading process here, too, takes place solely by a pure lifting movement.
  • several energy storage devices are cascaded in a row arranged.
  • the energy store replaces the closer spring of a conventional hydraulic door closer. He can do this through a Stroke movement of the piston can be compressed and loaded.
  • the energy store is replaced by a pure one Rotational movement of the support elements loaded at a constant distance.
  • This embodiment is also suitable for use in door hinges.
  • the exemplary embodiment shown in FIG. 1 is a hydraulic rack and pinion door closer, as it is in its basic structure in DE-OS 36 38 353 is described.
  • a hydraulic piston-cylinder unit with a guided in the cylinder 2 Piston 3 arranged.
  • the subspace to the left of the piston 3 is Unpressurized space 2a and the partial space to the right of the piston are referred to as pressure space 2b.
  • the piston 3 is a hollow piston with an internal rack 3a executed, which meshes with a pinion 4.
  • the pinion 4 is rotatably with the closer shaft 1 aligned in the pinion axis.
  • the closer shaft 1 rotates clockwise with the pinion 4, whereby the piston 3 in Figure 1 according to the direction of the arrow to the left is moved.
  • the piston 3 adjacent to the Unpressurized space 2a of the cylinder 2 compresses energy storage 5 and thus loaded.
  • the energy store 5 discharges when the Door and exerts a corresponding torque on the closer shaft via the pinion 4 1 off.
  • the hydraulic oil located in the pressure chamber 2b of the cylinder applied with the piston pressure. Due to the adjustable flow rate of the hydraulic oil flowing into the pressure-free chamber 2a becomes a hydraulic damping of the closing movement realized.
  • the energy storage 5 shown in Figure 1 is a perspective See view.
  • Each of the support elements 5a, 5b has three on its side facing the spring bodies 51 Receiving holes 52 on.
  • the spring bodies are in these receiving bores 52 51 introduced with their respective ends and stationary there, but not necessarily non-rotating, fixed.
  • the support elements 5a and 5b are arranged so that the Receiving bores 52 are aligned with one another in the axial direction, thereby creating a parallel position of the spring body 51 is reached.
  • the arrangement of the Spring body 51 symmetrically with respect to the central axis shown in dashed lines of the energy store 5
  • FIG. 3 again shows a schematic representation of the hydraulic door closer 1, but in the charged state of the energy store 5.
  • the energy storage 5 was compressed.
  • FIG indicated by arrows stroke movement h with their ends in the Support elements 5a and 5b bent spring body 51 bent.
  • the Energy store 5 has the non-linear characteristic shown in FIG Spring force F over the spring stroke h.
  • the characteristic curve results from that the rod-shaped spring body 51 is not in the relaxed initial state have it compressed immediately. This corresponds to a very high spring force minimal stroke.
  • Stroke the force to be applied is lower, the stronger the spring body 51 are bent.
  • the invention is not limited to the exemplary embodiment shown.
  • circular support elements 5a and 5b are conceivable, but e.g. elliptical, square or rectangular cross sections are also possible.
  • the Support elements 5a, 5b also do not have to match the cross-sectional shape of the cylinder 2 be identical. They are only in their size by the dimensions of the Cylinder 2 limited.
  • any cross-sectional shape and diameter possible are.
  • the cross-sectional shape and the diameter of a spring body 51 also vary over its axial length.
  • spring body 51 can on the support element 5a, 5b in any Order, e.g. concentric, star-shaped, linear, etc.
  • An arrangement symmetrical to the central axis of the energy store 5 is for minimizing the sum of the radial forces acting on the support element 5a, 5b an advantage, but not a prerequisite for the function of the energy storage 5.
  • spring bodies of different lengths or Thickness possible.
  • the exemplary embodiment shown in FIG. 5 has an additional guide device 53 for the spring body 51 compared to the energy store 5 in FIG.
  • a guide disk 5c is arranged centrally between the two support elements 5a and 5b, which has guide slots 54 for the spring bodies 51.
  • the three slots 54 start together in the center of the guide disc 5c and run symmetrically radially outwards.
  • One of the spring bodies 51 is passed through each of the slots 54, with each of the spring bodies 51 being located at the outer end of the corresponding slot 54 in the closed position of the door.
  • the choice of the slot length allows the spring bodies 51 to be pre-bent when the door is closed.
  • the slot length of the guide disc 5c is chosen to be shorter than the radial distance of the receiving bores 52 from the center of the support elements 5a and 5b.
  • the pre-bending reduces the initial force F A required when charging the energy store 5. In FIG. 4, this corresponds to driving through the spring characteristic from a point A further to the right of the original zero position.
  • the guide device 53 is used when charging the energy store 5 Bending direction and maximum bending predetermined for each of the spring bodies 51. With increasing bend, the spring body 51 inevitably migrate along the Slits 54 inwards until they meet in the center in the bent state. A further bend is then no longer possible, which means at the same time the maximum stroke of the piston 3 is limited and overextension of the spring bodies 51 is avoided.
  • the guide slots 54 are also arranged in a different manner, for example spirally his.
  • FIG. 6 Another embodiment of the energy store 5 is shown in FIG. 6.
  • the energy store 5 reacts to a stroke caused by the piston 3 not only with a bend of the spring body 51, but also with one Rotational movement of the support element 5a in the bearing 55.
  • the rotary bearing 55 works against the force of a return spring, not shown, for example a spiral spring which, when the energy store 5 is discharged, the rotary bearing 55 moved back to the starting position.
  • a return spring not shown, for example a spiral spring which, when the energy store 5 is discharged, the rotary bearing 55 moved back to the starting position.
  • Compared to the embodiment in Figure 5 can be a larger by using the additional pivot bearing 55 Achieve stroke.
  • a further increase in the total stroke while maintaining the spring force can be by the cascading shown in Figure 7.
  • the receiving bores in FIG. 8 are 52 not aligned, i.e. the radial distance r one Spring body 51 from the center of the respective support element 5a, 5b is for the first support element 5a larger than for the second 5b. From the resulting Inclination of the spring body 51 results in that when charging the energy store 5 tangential forces and therefore also a torque on the support elements 5a, 5b act.
  • the spring body 51 in the closed state Door an axial preload, which to reduce the distance s between leads the support elements 5a, 5b.
  • the Characteristic curve can be influenced on site.
  • the spring body 51 is inclined in the closed state of the door by axially preloading the energy store 5 in combination with a rotation of the support elements 5a, 5b.
  • the receiving bores 52 can certainly be aligned with one another.
  • the angle of inclination ⁇ can be determined using the clamping distance s Support elements 5a, 5b influence. By reducing the distance s Forced bending of the spring body 51 also reduces the angle of inclination ⁇ , which results in a flatter characteristic curve with a lower starting torque.
  • a damping device 6, which is particularly in combination with the Energy storage 5 shown in Figure 8, also for use in door hinges is shown in Figure 10.
  • the axis of rotation of the door is with the axis of rotation D of the energy store 5 identical.
  • the damping device 6 has a stationary outer 61a and a slightly smaller rotatable one inner damping cylinder 61b. Between the two cylinders 61a, 61b there is a gap space 63 which is filled with hydraulic oil.
  • the inner damping cylinder 61b also forms the jacket for the internal energy store 5. Through two sealing devices 62a, 62b, one of which has 62a the outer cylinder 61a and the other 62b with the inner cylinder 61b is connected, the flow of hydraulic oil is prevented.
  • FIG. 11 finally shows an application example with one on a conventional one Closer spring 11 supported energy store 5.
  • the energy store 5 is arranged between the piston 3 and the closer spring 11.
  • Such an arrangement allows force-displacement characteristics to be within one wide range vary by the characteristics of the two sub-components, the closer spring 11 and the energy store 5 are superimposed on one another.
  • the closer spring 11 is advantageously in the closed state
  • the door is biased in such a way that the door opening process initially takes a moment has, which of the non-linear characteristic of the energy storage 5th is dominated.
  • the closer spring 11 from a larger stroke than that Energy storage 5.

Landscapes

  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Refrigerator Housings (AREA)
  • Gates (AREA)

Claims (34)

  1. Ferme-porte pour une porte avec un battant de porte, comprenant un dispositif de stockage d'énergie (5) pour fermer le battant de porte, avec au moins un corps à ressort (51) supporté entre deux éléments de support (5a, 5b), le dispositif de stockage d'énergie (5) étant au moins partiellement chargé lors du mouvement d'ouverture du battant de porte et étant au moins partiellement déchargé lors de la fermeture, le corps à ressort (51) étant réalisé en forme de barre rectiligne ou courbe et étant sollicité axialement en pression ou en traction ou étant sollicité axialement en pression ou en traction et en torsion,
    caractérisé en ce que
    plusieurs corps à ressort (51) sont disposés parallèlement ou pratiquement parallèlement les uns aux autres et
    en ce que lors du chargement, respectivement du déchargement du dispositif de stockage d'énergie (5), la distance entre les éléments de support (5a, 5b) est modifiée et/ou les éléments de support (5a, 5b) sont déplacés dans la direction axiale les uns par rapport aux autres.
  2. Dispositif selon la revendication 1, caractérisé en ce que les corps à ressort (51) sont disposés autour d'un axe de telle sorte que la somme des forces radiales agissant sur les éléments de support (5a, 5b) par rapport à cet axe soit minimisée.
  3. Dispositif selon la revendication 2, caractérisé en ce que les corps à ressort (51) sont disposés symétriquement autour d'un axe.
  4. Dispositif selon la revendication 1, caractérisé en ce que les corps à ressort (51) sont disposés suivant un certain angle les uns par rapport aux autres.
  5. Dispositif selon la revendication 1, caractérisé en ce que les corps à ressort (51) présentent des épaisseurs (d) différentes.
  6. Dispositif selon la revendication 1, caractérisé en ce que les corps à ressort (51) présentent des longueurs différentes.
  7. Dispositif selon la revendication 1, caractérisé en ce que les corps à ressort (51) présentent une distance radiale (r) différente depuis le centre de l'élément de support (5a, 5b).
  8. Dispositif selon la revendication 1, caractérisé en ce que la géométrie en section transversale et/ou l'épaisseur du ou des corps à ressort (51) varie le long de leur longueur axiale.
  9. Dispositif selon la revendication 1, caractérisé en ce que lors du chargement, respectivement du déchargement du dispositif de stockage d'énergie (5), les éléments de support (5a, 5b) sont tournés les uns par rapport aux autres.
  10. Dispositif selon la revendication 9, caractérisé en ce que la rotation relative s'effectue autour d'un axe qui est perpendiculaire à une face d'appui de l'élément de support (5a, 5b), ou autour d'un axe de liaison des deux éléments de support (5a, 5b) ou autour d'un axe de rotation ou d'un axe médian (D) du dispositif de stockage d'énergie (5) ou autour d'un axe de symétrie des corps à ressort (51).
  11. Dispositif selon la revendication 9 ou 10, caractérisé en ce que l'angle d'inclinaison (β) du ou des corps à ressort (51) lors du chargement ou du déchargement du dispositif de stockage d'énergie (5) varie, la première branche de l'angle se trouvant dans l'axe longitudinal du corps à ressort (51), et la deuxième branche se situant tangentiellement à un cercle concentrique autour de l'axe de rotation de l'élément de support (5a) passant par le point d'appui du corps à ressort (51).
  12. Dispositif selon la revendication 11, caractérisé en ce que l'angle d'inclinaison (β) des corps à ressort (51) dans l'état fermé de la porte est minimum et est maximum dans l'état ouvert de la porte, ou inversement.
  13. Dispositif selon la revendication 11, caractérisé en ce que l'angle d'inclinaison (β) des corps à ressort (51) dans l'état fermé de la porte et dans l'état ouvert de la porte a une valeur comprise entre son minimum et son maximum.
  14. Dispositif selon la revendication 1, caractérisé en ce que le ou les corps à ressort (51) présentent une barre rigide, qui est montée à ressort, les corps à ressort (51) étant réalisés sous forme de tringle rigide tournante, avec une distance des éléments de support (5a, 5b) variable, avec sollicitation en pression par un ressort de support.
  15. Dispositif selon la revendication 1, caractérisé en ce que le ou les corps à ressort (51) présentent un corps en forme de barre, qui, lors du chargement ou du déchargement du dispositif de stockage d'énergie (5), est courbé élastiquement ou reste rigide.
  16. Dispositif selon la revendication 15, caractérisé en ce que lors du chargement ou du déchargement du dispositif de stockage d'énergie (5), la torsion et la flexion du ou des corps à ressort (51) sont superposées l'une à l'autre.
  17. Dispositif selon la revendication 1, caractérisé en ce que le dispositif de stockage d'énergie (5) présente un dispositif de guidage (53) pour le ou les corps à ressort (51).
  18. Dispositif selon la revendication 17, caractérisé en ce que le dispositif de guidage (53) présente des fentes de guidage (54) pour forcer l'orientation de flexion et/ou pour limiter la flexion maximale du ou des corps à ressort (51), les fentes de guidage (54) étant réalisées radialement ou en forme hélicoïdale.
  19. Dispositif selon la revendication 1, caractérisé en ce que le ou les corps à ressort (51) sont déformés par précontrainte dans la position de fermeture de la porte, notamment sont précontraints axialement et/ou sont précontraints par torsion.
  20. Dispositif selon la revendication 1, caractérisé en ce que plusieurs groupes de corps à ressort (51) sont disposés les uns derrière les autres.
  21. Dispositif selon la revendication 1, caractérisé en ce que l'un des éléments de support (5a) est monté à rotation et/ou présente un palier rotatif, dans lequel sont reçus le ou les corps à ressort (51).
  22. Dispositif selon la revendication 21, caractérisé en ce que l'axe de rotation de l'élément de support (5a) ou du palier rotatif coïncide avec un axe du dispositif de stockage d'énergie (5).
  23. Dispositif selon la revendication 22, caractérisé en ce que l'élément de support (5a) ou le palier rotatif est tourné lors du chargement du dispositif de stockage d'énergie (5) à l'encontre de la force d'un ressort de rappel et lors du déchargement du dispositif de stockage d'énergie (5) revient en arrière dans la position de départ sous l'effet du ressort de rappel.
  24. Dispositif selon la revendication 22, caractérisé en ce que l'axe de rotation (D) du dispositif de stockage d'énergie (5) est identique à l'axe de rotation de la porte.
  25. Dispositif selon la revendication 1, caractérisé en ce que le ou les corps à ressort (51) sont reçus dans les éléments de support (5a, 5b) du dispositif de manière fixe et/ou fixe en rotation.
  26. Dispositif selon la revendication 1, caractérisé en ce que lors de l'ouverture, respectivement lors de la fermeture de la porte, un ressort de ferme-porte usuel (11) ainsi qu'un dispositif de stockage d'énergie (5) sont chargés, respectivement déchargés.
  27. Dispositif selon la revendication 26, caractérisé en ce que le dispositif de stockage d'énergie (5) s'appuie sur un ressort de ferme-porte (11) usuel.
  28. Dispositif selon la revendication 26, caractérisé en ce que le dispositif de stockage d'énergie (5) est disposé entre le piston (3) et le ressort de ferme-porte (11).
  29. Dispositif selon la revendication 26, caractérisé en ce que le dispositif de stockage d'énergie (5) est disposé entre le ressort de ferme-porte (11) et le côté frontal du cylindre (2).
  30. Dispositif selon la revendication 26, caractérisé en ce que le ressort de ferme-porte (11) effectue une course plus importante que le dispositif de stockage d'énergie (5) lors de l'ouverture, respectivement de la fermeture de la porte.
  31. Dispositif selon la revendication 26, caractérisé en ce que le ressort de ferme-porte (11) est précontraint dans l'état fermé de la porte.
  32. Dispositif selon la revendication 26, caractérisé en ce que l'allure du couple lors de l'ouverture respectivement de la fermeture de la porte correspond à une superposition des caractéristiques du ressort de ferme-porte (11) et du dispositif de stockage d'énergie (5).
  33. Dispositif selon la revendication 1, caractérisé en ce que la course du dispositif de stockage d'énergie (5) est limitée.
  34. Dispositif selon la revendication 1, caractérisé en ce que le dispositif de stockage d'énergie (5) est connecté à un dispositif d'amortissement (6) pour l'amortissement de la vitesse de fermeture.
EP97119014A 1996-11-12 1997-10-31 Ferme-porte avec un dispositif de stockage d'énergie pour fermer le battant de porte Expired - Lifetime EP0841452B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19646722 1996-11-12
DE19646722A DE19646722A1 (de) 1996-11-12 1996-11-12 Türschließer mit einem Energiespeicher zum Schließen des Türflügels

Publications (3)

Publication Number Publication Date
EP0841452A2 EP0841452A2 (fr) 1998-05-13
EP0841452A3 EP0841452A3 (fr) 2000-03-29
EP0841452B1 true EP0841452B1 (fr) 2004-03-17

Family

ID=7811429

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97119014A Expired - Lifetime EP0841452B1 (fr) 1996-11-12 1997-10-31 Ferme-porte avec un dispositif de stockage d'énergie pour fermer le battant de porte

Country Status (3)

Country Link
EP (1) EP0841452B1 (fr)
AT (1) ATE262103T1 (fr)
DE (2) DE19646722A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8225458B1 (en) 2001-07-13 2012-07-24 Hoffberg Steven M Intelligent door restraint

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10026119B4 (de) * 1999-05-26 2005-08-18 Deutsches Zentrum für Luft- und Raumfahrt e.V. Elastische Anordnung
DE102004046799B4 (de) * 2004-09-27 2007-02-15 Volker Endres Vorrichtung zum Stoppen einer schwenkbaren Einrichtung
DE102016200632A1 (de) * 2016-01-19 2017-07-20 Geze Gmbh Elektromotorischer Antrieb

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3638353C3 (de) * 1985-07-05 1997-06-19 Geze Grundstueck Beteiligung Türschließer
GB2181793B (en) * 1985-09-13 1988-12-14 Heath Samuel & Sons Plc Sealing rings
DE19542050A1 (de) * 1994-11-12 1996-05-23 Geze Gmbh & Co Türschließer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8225458B1 (en) 2001-07-13 2012-07-24 Hoffberg Steven M Intelligent door restraint
US9121217B1 (en) 2001-07-13 2015-09-01 Steven M. Hoffberg Intelligent door restraint

Also Published As

Publication number Publication date
DE19646722A1 (de) 1998-05-14
DE59711413D1 (de) 2004-04-22
EP0841452A3 (fr) 2000-03-29
ATE262103T1 (de) 2004-04-15
EP0841452A2 (fr) 1998-05-13

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