EP0841452A2 - 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
EP0841452A2
EP0841452A2 EP97119014A EP97119014A EP0841452A2 EP 0841452 A2 EP0841452 A2 EP 0841452A2 EP 97119014 A EP97119014 A EP 97119014A EP 97119014 A EP97119014 A EP 97119014A EP 0841452 A2 EP0841452 A2 EP 0841452A2
Authority
EP
European Patent Office
Prior art keywords
energy store
spring
spring body
door
axis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP97119014A
Other languages
German (de)
English (en)
Other versions
EP0841452A3 (fr
EP0841452B1 (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
Anticipated expiration legal-status Critical
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 for a door with a door leaf, preferably a rotating wing, e.g. Hinged swing wing, swing wing or the like, with an energy storage device for closing the door leaf, with at least a spring body supported between two support elements, the Energy storage at least partially during the opening movement of the door leaf is loaded and at least partially discharged when it is closed.
  • a door closer for a door with a door leaf, preferably a rotating wing, e.g. Hinged swing wing, swing wing or the like, with an energy storage device for closing the door leaf, with at least a spring body supported between two support elements, the Energy storage at least partially during the opening movement of the door leaf is loaded and at least partially discharged when it is closed.
  • Door closers with closer springs are known as energy stores, e.g. hydraulic door closers, where the closer spring with a piston-cylinder unit cooperates.
  • 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 profile delivers.
  • 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 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 use the spring body to influence the characteristic in the unloaded 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 one after the other 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 subspace 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 one adjacent to the piston 3 Unpressurized space 2 a 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 Bores 52 on.
  • the spring bodies are in these receiving bores 52 51 introduced with their respective ends and stationary there, but not necessarily non-rotatable, fixed.
  • the support elements 5a and 5b are arranged so that the Receiving holes 52 are aligned with each other in the axial direction, whereby 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 illustration of the hydraulic door closer 1, but in the charged state of the energy store 5.
  • the energy storage 5 was compressed.
  • stroke movement h with their ends in the Support elements 5a and 5b bent spring body 51 bent.
  • 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.
  • 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.
  • the spring body 51 can on the support element 5a, 5b in any Arranged, 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.
  • 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 washer 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 begin 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 inward 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 be.
  • 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 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 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)
  • Gates (AREA)
  • Refrigerator Housings (AREA)
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
DE19646722A DE19646722A1 (de) 1996-11-12 1996-11-12 Türschließer mit einem Energiespeicher zum Schließen des Türflügels
DE19646722 1996-11-12

Publications (3)

Publication Number Publication Date
EP0841452A2 true EP0841452A2 (fr) 1998-05-13
EP0841452A3 EP0841452A3 (fr) 2000-03-29
EP0841452B1 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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9995076B1 (en) 2001-07-13 2018-06-12 Steven M. Hoffberg Intelligent door restraint
CN112854946A (zh) * 2016-01-19 2021-05-28 盖慈有限公司 电动机驱动器

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10026178C2 (de) * 1999-05-26 2003-10-30 Deutsch Zentr Luft & Raumfahrt Elastisches Konstruktionselement
DE102004046799B4 (de) * 2004-09-27 2007-02-15 Volker Endres Vorrichtung zum Stoppen einer schwenkbaren Einrichtung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3638353A1 (de) * 1985-07-05 1987-10-29 Geze Gmbh Tuerschliesser
US5002165A (en) * 1985-09-13 1991-03-26 Samuel Heath & Sons Plc Sealing ring
DE19542050A1 (de) * 1994-11-12 1996-05-23 Geze Gmbh & Co Türschließer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3638353A1 (de) * 1985-07-05 1987-10-29 Geze Gmbh Tuerschliesser
US5002165A (en) * 1985-09-13 1991-03-26 Samuel Heath & Sons Plc Sealing ring
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
US9995076B1 (en) 2001-07-13 2018-06-12 Steven M. Hoffberg Intelligent door restraint
CN112854946A (zh) * 2016-01-19 2021-05-28 盖慈有限公司 电动机驱动器

Also Published As

Publication number Publication date
EP0841452A3 (fr) 2000-03-29
DE19646722A1 (de) 1998-05-14
EP0841452B1 (fr) 2004-03-17
ATE262103T1 (de) 2004-04-15
DE59711413D1 (de) 2004-04-22

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