EP2933413B1 - Entraînement de porte - Google Patents

Entraînement de porte Download PDF

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Publication number
EP2933413B1
EP2933413B1 EP15162782.5A EP15162782A EP2933413B1 EP 2933413 B1 EP2933413 B1 EP 2933413B1 EP 15162782 A EP15162782 A EP 15162782A EP 2933413 B1 EP2933413 B1 EP 2933413B1
Authority
EP
European Patent Office
Prior art keywords
rack
output shaft
door drive
drive according
door
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
EP15162782.5A
Other languages
German (de)
English (en)
Other versions
EP2933413A1 (fr
Inventor
Roland Vögele
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
Priority claimed from DE102014207217.4A external-priority patent/DE102014207217B3/de
Priority claimed from DE102015202830.5A external-priority patent/DE102015202830B3/de
Application filed by Geze GmbH filed Critical Geze GmbH
Publication of EP2933413A1 publication Critical patent/EP2933413A1/fr
Application granted granted Critical
Publication of EP2933413B1 publication Critical patent/EP2933413B1/fr
Active legal-status Critical Current
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
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
    • E05F15/63—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by swinging arms
    • 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

Definitions

  • the present invention relates to a door drive, in particular swing door drive, with a housing, a rotatably mounted in the housing and coupled to a door leaf or a frame output shaft, a motor for driving the output shaft and a spring unit, which is stretched during a respective opening movement of the door and relaxed during a respective closing movement of the door leaf to provide a closing moment.
  • Such door drives are used to close the wing of a motorized door with spring force. This is particularly important in smoke and fire doors of importance, which must be closed quickly and reliably in case of alarm, especially after responding to a smoke detector or power failure.
  • the spring unit By opening the door leaf, the spring unit is tensioned at the same time. With the aid of the spring unit, the door drive can thus close the door leaf even in the event of a power failure, which is mandatory with fire doors.
  • worm gears are frequently used for the transmission of power between the engine and the output shaft.
  • worm gears have due to the sliding friction on the screw relatively low efficiencies, which can worsen in deficient lubrication and low temperatures.
  • a particular disadvantage is that the closing and opening moment of the door leaf at opening angles greater than 4 ° does not decrease in the desired manner, which complicates the manual inspection of the door.
  • Revolving door drives of the generic type are from the WO 01/98615 A1 . US 4 333 270 A . EP 0 733 763 A1 and US 2007/256362 A1 known.
  • the invention has for its object to provide a door drive, in particular swing door drive, of the type mentioned, in which the aforementioned disadvantages are eliminated.
  • the efficiency should be increased and the risk of self-locking reduced.
  • the door drive should have a relatively simple, compact design and allow as little effort as possible a sufficient decrease of the closing and opening torque to larger opening angles out.
  • the door drive according to the invention in particular revolving door drive, comprises a housing, a rotatably mounted in the housing and coupled to a door leaf or a frame output shaft, a motor for driving the output shaft and a spring unit, which is stretched during a respective opening movement of the door leaf and during a respective Relaxed closing movement of the door leaf to provide a closing moment.
  • the output shaft via a rack by the engine is driven, which is acted on the one hand via a transmission, in particular a front-cone transmission from the engine and on the other hand meshes with a toothing of the output shaft.
  • the door drive has an overall simpler and more compact design.
  • the toothed rack comprises a wave-shaped toothed section, which meshes with a non-circular toothing of the output shaft.
  • a desired course of the Closing and opening torque can be specified in particular by an appropriate choice of the waveform of the toothed portion of the rack and a corresponding choice of the shape of the non-circular toothing of the output shaft.
  • the front-bevel gear is preferably designed as a multi-stage front-cone gear to realize the desired ratio.
  • the rack expediently comprises a toothed section, which meshes with a round pinion of the front-cone transmission.
  • the rack is preferably mounted axially displaceable in the housing.
  • the spring unit comprises a pushed onto the rack compression spring, which results in a particularly compact design.
  • the spring unit is arranged between a pushed onto the rack, supported on the housing sleeve and provided on the rack radial stop.
  • the bias of the spring unit and thus in particular the closing torque of the door can be set in the currentless operation.
  • the sleeve can in particular be adjustably mounted in the housing. By also the sleeve is pushed onto the rack, the most compact possible construction of the door drive is ensured.
  • the radial stop may in particular comprise a disc pushed onto the rack and supported on at least one radial projection of the rack.
  • the rack may for example be provided with two diametrically opposed nose-like radial projections to support the disc.
  • Between the radial stop and the spring unit is preferably a pushed onto the rack thrust bearing, in particular axial needle bearing, is provided. This results in a particularly low design with an axial needle bearing.
  • toothed portion of the toothed rack engaging with the output shaft is provided on the same side of the toothed rack as its toothed portion engaging with the front-toothed bevel gear.
  • the toothed portions of the rack thus point in the same direction.
  • the rack in the region of the output shaft and with the front-bevel gear meshing gear sections each have at least one on the side facing away from the respective toothed portion of the rack, in particular roller bearings Role supported.
  • the non-circular toothing of the output shaft and the meshing with this wave-shaped toothed portion of the rack are preferably designed so that the torque transmitted from the spring unit to the output shaft torque decreases from an opening angle of the door leaf in the range of 4 ° with increasing opening angle of the door leaf.
  • Fig. 1 to 5 show a schematic representation of an exemplary embodiment of a door drive 10 according to the invention, in the illustration according to Fig. 1 for example, is provided as a top door closer for a revolving door.
  • the door drive 10 includes a housing 12, a rotatably mounted in the housing 12 and coupled to a door leaf 14 or a frame 16 output shaft 18, a motor 20, in particular electric motor, for driving the output shaft 18 and a spring unit 22, during a respective opening movement of the Door leaf 14 is tensioned and relaxes during a respective closing movement of the door leaf 14 to provide a closing moment.
  • the door drive 10 in the illustration according to Fig. 1 For example, provided as a top door closer for a revolving door.
  • the housing 12 is mounted with the output shaft 18 on the door leaf 14 and the output shaft 18 connected to a lever 24 which is provided with a sliding block or the like, which is guided in a slide rail 26 which is fixed to the frame 16.
  • the toothed rack 28 comprises a wave-shaped toothed section 34, which meshes with a non-circular toothing 32 of the output shaft 18.
  • the motor 20 may in particular be designed as an electric motor.
  • the door drive 10 may include a transformer and an electronic control device for controlling the motor 20.
  • a corresponding control of the motor 20 for example, take place when a danger situation is signaled via a smoke detector.
  • the rack 28 includes a gear portion 36 which meshes with a round pinion 38 of the front-cone gear 30.
  • a toothed drive shaft 40 of the motor 20 meshes with a larger gear 42 which sits on a shaft 44 at one end of a bevel pinion 46 is arranged, which meshes with a bevel gear 48.
  • the bevel gear 48 is seated on a further shaft 50, on which a pinion 52 is arranged, which meshes with a larger gear 54.
  • the gear 54 is seated on a further shaft 56 on which the already mentioned, with the toothed portion 36 of the rack 28 meshing pinion 38 is arranged.
  • the rack 28 is axially displaceably mounted in the housing 12.
  • the toothed portion 36 of the rack 28 is designed in the present case, for example, linear.
  • the spring unit 22 comprises a pushed onto the rack 28 compression spring which is disposed between a pushed onto the rack 28, supported on the housing 12 sleeve 58 and provided on the rack 28 radial stop 60.
  • the radial stop 60 is formed for example by a pushed onto the rack 28 disc, which is supported on two diametrically opposite nose-like radial projections 62 of the rack 28.
  • Axialnadellager 64 is provided between the formed by a disc radial stop 60 and the spring unit 22 is a pushed onto the rack 28 Axialnadellager 64 is provided. Between the radial stop 60 formed by the disc and the axial needle bearing 64, a spacer 66 is arranged, which is also pushed onto the rack 28. At the two nose-like radial projections 62 are thus on the rack 28 lined up by the disc formed radial stopper 60, the spacer 66, the Axialnadellager 64 and formed by a compression spring unit 22, while the spring unit formed by a compression spring at its other End of the also pushed onto the spring unit 22 sleeve 58 rests, over which the spring preload and thus the door closing torque in the currentless operation is adjustable. In this case, the sleeve 58 may in particular be adjustably mounted in the housing 12. The aforementioned parts are all threaded on the rack 28, i. interspersed by this.
  • the shaft-shaped toothing section 34 of the rack 28 engaging with the output shaft 18 is provided on the same side of the rack 28 as the linear gear section 36 engaged with the bevel gear 30.
  • the two gear sections 34, 36 of the rack 28 point in the present case in the same direction.
  • the toothed rack 28 is supported in the area of its gear teeth sections 34, 36, which are in engagement with the output shaft 18 and with the bevel gear 30, in each case via a roller 68 mounted on the side of the toothed rack 28 remote from the respective toothed section 34, 36. In the direction of force everything is thus stored on roller bearings.
  • the non-circular toothing 32 of the output shaft 18 and the meshing with this wave-shaped toothed portion 34 of the rack 28 may in particular be designed so that the torque transmitted from the spring unit 22 to the output shaft 18 torque decreases with increasing opening angle of the door leaf 14.
  • the non-circular toothing 32 of the output shaft 18 and the meshing with this wave-shaped toothed portion 34 of the rack 28 in particular be designed so that the transmitted from the spring unit 22 to the output shaft 18 torque from an opening angle of the door leaf 14 in the range of 4 ° increasing opening angle of the door leaf 14 decreases.
  • the radius at which the spring force is transmitted from the rack 28 to the output shaft 18 at relatively small opening angles of the door leaf 14 may be relatively large and smaller with increasing opening angles.
  • the torque on the output shaft 18 at small opening angles of the door leaf 14 is large and decreases with the door opening 14 opening.
  • the door drive 10 is characterized, inter alia, by a compact and inexpensive construction, a high efficiency at each opening angle of the door leaf 14 and a reduced risk of self-locking when normally closed by the spring force.
  • a high closing torque can be generated, while at opening angles greater than 4 °, the door closing torque can decrease with increasing opening angle.

Landscapes

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

Claims (13)

  1. Entraînement de porte (10), en particulier entraînement de porte pivotante, comprenant un boîtier (12), un axe de prise de force (18) supporté à rotation dans le boîtier (12) et pouvant être accouplé à un battant de porte (14) ou à un châssis dormant (16), un moteur (20) destiné à entraîner l'axe de prise de force (18) et une unité de ressort (22) qui est tendue pendant un mouvement d'ouverture respectif du battant de porte (14) et qui se détend pendant un mouvement de fermeture respectif du battant de porte (14) afin de fournir un couple de fermeture, l'axe de prise de force (18) pouvant être entraîné par le biais d'une crémaillère (28) par le moteur (20), la crémaillère pouvant être d'une part sollicitée par le biais d'une transmission à plusieurs étages par le moteur (20) et s'engrenant d'autre part avec une denture (32) de l'axe de prise de force (18),
    caractérisé en ce que
    la crémaillère (28), dans la région de ses portions de denture (34, 36) en prise avec l'axe de prise de force (18) et avec la transmission (30) réalisée sous forme de transmission à pignons droits et coniques, est supportée à chaque fois par le biais d'au moins un rouleau (68) disposé, notamment supporté sur palier à roulement, sur le côté de la crémaillère opposé à la portion de denture respective (34, 36).
  2. Entraînement de porte selon la revendication 1, caractérisé en ce que la transmission à plusieurs étages est réalisée sous forme de transmission à pignons droits et coniques (30).
  3. Entraînement de porte selon la revendication 1 ou 2,
    caractérisé en ce que la crémaillère (28) comprend une portion de denture en forme d'arbre (34) qui s'engrène avec une denture non ronde (32) de l'axe de prise de force (18).
  4. Entraînement de porte selon l'une quelconque des revendications précédentes, caractérisé en ce que la transmission à pignons droits et coniques (30) est réalisée sous forme de transmission à pignons droits et coniques à plusieurs étages.
  5. Entraînement de porte selon au moins l'une quelconque des revendications précédentes, caractérisé en ce que la crémaillère (28) comprend une portion de denture droite (36) qui s'engrène avec un pignon rond (38) de la transmission à pignons droits et coniques (30).
  6. Entraînement de porte selon au moins l'une quelconque des revendications précédentes, caractérisé en ce que la crémaillère (28) est supportée de manière déplaçable axialement dans le boîtier (12).
  7. Entraînement de porte selon au moins l'une quelconque des revendications précédentes, caractérisé en ce que l'unité de ressort (22) comprend un ressort de compression poussé sur la crémaillère (28).
  8. Entraînement de porte selon au moins l'une quelconque des revendications précédentes, caractérisé en ce que l'unité de ressort (22) est disposée entre une douille (58) supportée sur le boîtier (12), poussée sur la crémaillère (28) et une butée radiale (60) prévue sur la crémaillère (28).
  9. Entraînement de porte selon la revendication 8, caractérisé en ce que la butée radiale (60) comprend un disque poussé sur la crémaillère (28), supporté sur au moins une saillie radiale (62) de la crémaillère (28).
  10. Entraînement de porte selon la revendication 8 ou 9,
    caractérisé en ce qu'entre la butée radiale (60) et l'unité de ressort (22) est prévu un palier axial, en particulier un palier à aiguilles axial (64), poussé sur la crémaillère (28).
  11. Entraînement de porte selon au moins l'une quelconque des revendications précédentes, caractérisé en ce que la portion de denture (34) en prise avec l'axe de prise de force (18) de la crémaillère (28) est prévue du même côté de la crémaillère (28) que sa portion de denture (36) en prise avec la transmission à pignons droits et coniques (30).
  12. Entraînement de porte selon au moins l'une quelconque des revendications précédentes, caractérisé en ce que la denture non ronde (32) de l'axe de prise de force (18) et la portion de denture (34) en forme d'arbre de la crémaillère (28) s'engrenant avec celle-ci sont configurées de telle sorte que le couple transmis de l'unité de ressort (22) à l'axe de prise de force (18) diminue avec l'augmentation de l'angle d'ouverture du battant de porte (14).
  13. Entraînement de porte selon la revendication 12, caractérisé en ce que la denture non ronde (32) de l'axe de prise de force (18) et la portion de denture (34) en forme d'arbre de la crémaillère (28) s'engrenant avec celle-ci sont configurées de telle sorte que le couple transmis de l'unité de ressort (22) à l'axe de prise de force (18) diminue, à partir d'un angle d'ouverture du battant de porte (14) dans une plage de 4°, avec l'augmentation de l'angle d'ouverture du battant de porte (14).
EP15162782.5A 2014-04-15 2015-04-08 Entraînement de porte Active EP2933413B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014207217.4A DE102014207217B3 (de) 2014-04-15 2014-04-15 Drehtürantrieb
DE102015202830.5A DE102015202830B3 (de) 2015-02-17 2015-02-17 Türantrieb

Publications (2)

Publication Number Publication Date
EP2933413A1 EP2933413A1 (fr) 2015-10-21
EP2933413B1 true EP2933413B1 (fr) 2016-11-09

Family

ID=52811063

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15162782.5A Active EP2933413B1 (fr) 2014-04-15 2015-04-08 Entraînement de porte

Country Status (3)

Country Link
EP (1) EP2933413B1 (fr)
CN (1) CN105041100B (fr)
ES (1) ES2614255T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016200632A1 (de) * 2016-01-19 2017-07-20 Geze Gmbh Elektromotorischer Antrieb
KR20210007645A (ko) * 2019-07-12 2021-01-20 엘지전자 주식회사 냉장고

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4333270A (en) * 1980-02-22 1982-06-08 Besam-Eads, Inc. Automatic door operator
EP0733763B1 (fr) * 1995-03-21 2000-08-16 GEZE GmbH Ferme-porte
DE10029161C1 (de) * 2000-06-19 2002-01-24 Dorma Gmbh & Co Kg Anordnung für das Öffnen und Schließen einer Tür oder eines Tores
DE10148293A1 (de) * 2001-09-29 2003-04-24 Landert Motoren Ag Flügeltürantrieb mit Federschliessung
CN2752399Y (zh) * 2004-11-28 2006-01-18 冷亮 一种用于开关门的自动控制器
US20070256362A1 (en) * 2006-03-04 2007-11-08 Curtis David Hansen Assembly and method for automated operation of a restroom door

Also Published As

Publication number Publication date
EP2933413A1 (fr) 2015-10-21
ES2614255T3 (es) 2017-05-30
CN105041100B (zh) 2017-12-08
CN105041100A (zh) 2015-11-11

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