EP2921626A1 - Ferme-porte - Google Patents

Ferme-porte Download PDF

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Publication number
EP2921626A1
EP2921626A1 EP14160683.0A EP14160683A EP2921626A1 EP 2921626 A1 EP2921626 A1 EP 2921626A1 EP 14160683 A EP14160683 A EP 14160683A EP 2921626 A1 EP2921626 A1 EP 2921626A1
Authority
EP
European Patent Office
Prior art keywords
piston
housing
shaft
closing
closer
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
EP14160683.0A
Other languages
German (de)
English (en)
Other versions
EP2921626B1 (fr
EP2921626B2 (fr
Inventor
Singer Lothar
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.)
Gretsch Unitas GmbH Baubeschlaege
Original Assignee
Gretsch Unitas GmbH Baubeschlaege
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=50289550&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2921626(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Gretsch Unitas GmbH Baubeschlaege filed Critical Gretsch Unitas GmbH Baubeschlaege
Priority to EP14160683.0A priority Critical patent/EP2921626B2/fr
Priority to PL14160683.0T priority patent/PL2921626T5/pl
Publication of EP2921626A1 publication Critical patent/EP2921626A1/fr
Publication of EP2921626B1 publication Critical patent/EP2921626B1/fr
Application granted granted Critical
Publication of EP2921626B2 publication Critical patent/EP2921626B2/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
    • 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
    • E05F3/104—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 cam-and-slide transmission between driving shaft and piston within the closer housing
    • 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
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/10—Adjustable
    • 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
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/10—Adjustable
    • E05Y2600/30—Adjustment motion
    • E05Y2600/32—Rotary motion
    • E05Y2600/322—Rotary motion around a horizontal axis
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/40—Physical or chemical protection
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/40—Physical or chemical protection
    • E05Y2800/409—Physical or chemical protection against faulty mounting or coupling

Definitions

  • Door closers of the above type are common, for example, as overhead door closer.
  • a generic overhead door closer is in DE 10 2004 041 358 A1 disclosed.
  • a closer shaft transmits the closing force generated by a closing spring to the door leaf to be closed.
  • the closing force is built up when opening the then automatically closing door leaf.
  • a closing piston is arranged in the interior of a door closer housing, which moves when opening and closing the door leaf along a housing axis of the door closer housing.
  • a pivotable about a roller rotation axis bearing roller of the closing piston is supported on a Hubkurvenin the closer shaft.
  • the bearing roller is located on a control surface of the Hubkurvenusion with a parallel to the roller rotation axis extending bearing surface.
  • the control surface of the Hubkurvenation runs parallel to a shaft rotation axis about which the Hubkurvenin provided with the closer shaft is rotatable.
  • the Hubkurvenin is applied to the closer shaft of the shutter spring on the closing piston and provided between the closing piston and the Hubkurvenin bearing roller with the closing force.
  • the closer shaft performs a rotary movement, which is converted, for example, via a linkage into a closing movement of the door leaf.
  • Hubkurvenin drives them acting on the bearing roller and on this the closing piston against the action of a force exerted by the closing spring restoring force along the housing axis of the door closer housing. Both when closing and when opening the door, the control surface roll on the Hubkurvenin and the bearing surface on the bearing roller from each other.
  • An impairment of the door closer efficiency is also due to the fact that in a misalignment of the Hubkurvenin and / or the bearing roller in the power transmission between the Hubkurvenin and the bearing roller on the closer piston a tilting moment acts, due to which increases the friction, which in the movements of the Closing piston along the housing axis between the closing piston and this leading inner wall of the door closer housing occurs.
  • Due to the mentioned effects of line contact of Hubkurvention and bearing roller of the door closer according to the invention has a particularly high efficiency.
  • the force required to open the relevant door leaf is comparatively low.
  • the closing force-generating and also the closing force-transmitting door closer components can build relatively small.
  • the material used in the production of the door closer according to the invention is relatively low, the production costs are relatively low.
  • the closer shaft can be mounted on the door closer housing such that tilting movements of the closer shaft are excluded relative to the door closer housing, the required for automatic mutual alignment of Hubkurvenemia and the bearing roller tilting mobility is provided in a preferred embodiment of the invention bearing roller side.
  • the bearing roller in the direction of Kippbewegritt the bearing surface of the bearing roller substantially free of play supported on the closing piston and the closing piston relative to the door closer housing tiltable.
  • Such a tilting movement of the closing piston does not exist on conventional door closers, on which the closing piston is linearly guided during movements along the housing axis via a fit on the door closer housing.
  • the tilting movement of the closing piston relative to the door closer housing is made possible by the fact that the closing piston has a non-uniform outer diameter along the housing axis.
  • the closing piston according to the invention has at least one piston portion of smaller diameter, at which the closing piston is spaced from a housing axis extending along the housing inner wall of the door closer housing and at least one piston portion of larger diameter, on which the closing piston on the housing inner wall of the door closer housing along the housing axis movable is guided (claim 3).
  • the piston portion of smaller diameter allows due to the between this piston portion and the housing inner wall of the door closer housing existing game the desired tilting movement of the closing piston relative to the door closer housing.
  • the larger-diameter piston section ensures effective guidance of the closing piston during movements along the housing axis. In contact with the inner wall of the door closer housing is only the radially expanded portion of the closing piston. Only this piston section must therefore have good sliding properties. For the diameter or the reduced diameter piston sections good sliding properties are dispensable. Thus, it is unnecessary to grind and harden the or the reduced-diameter closing piston sections, for example, with steel closing pistons.
  • the non-uniform outer diameter of the closing piston is realized in a preferred embodiment of the invention by a gradation of the piston outer diameter.
  • a smaller diameter piston portion is provided only on the side of the larger diameter piston portion facing the bearing roller, or on both sides of the larger diameter piston portion, so that the normally open piston can perform a tilting movement, if necessary.
  • the closing piston is in several parts.
  • a piston main body forms the piston portion of smaller diameter, a piston attached to the piston body radial piston extension the piston portion of larger diameter.
  • piston body piston ring is provided as a radial piston extension attached to the piston body piston ring.
  • Such piston rings are commercially available and can be connected to manufacturing technology simple way with the piston body, insert for example in a circumferential groove of the piston body.
  • the multi-part design of the closer piston offers the advantage that each of the piston parts can be matched in its nature to the specific requirements.
  • claim 6 provides that the piston section larger diameter of the closing piston on the side facing the housing inner wall side of a friction-reducing material.
  • a material can be selected which has no special sliding properties, but which is particularly suitable, for example, to absorb the forces acting between the closer piston and the closer shaft forces.
  • Claim 7 relates to a particularly practice-relevant design of the door closer according to the invention.
  • a closing spring and accordingly a closing piston as a spring piston are provided as closing force.
  • a door closer 1 comprises a closer shaft 2 with a Hubkurvenin 3 formed thereon, a closing piston 4 with a rotatably mounted thereon bearing roller 5, a closing spring 6 and a in FIG. 3 dashed lines indicated door closer housing. 7
  • the closer shaft 2 is rotatable about a shaft rotation axis 8 and otherwise stored without clearance on the door closer housing 7.
  • the Hubkurvenement 3 on the closer shaft 2 has a control surface 9, which extends parallel to the shaft rotation axis 8.
  • the bearing roller 5 is rotatable on the closing piston 4 about a roller rotation axis 10 and forms a bearing surface 11 at its periphery. Incidentally, the connection between the bearing roller 5 and the closing piston 4 is free of play.
  • the closing piston 4 is arranged in the interior of the door closer housing 7 along a housing axis 12 laterally next to the closer shaft 2 and along the Genzoseachse 12 slidably. At the side remote from the closer shaft 2, the closing piston 4 is moved in the direction of the lifting cam 3 of the closer shaft 2 by the closing spring 6 acting as closing force generator (arrow 13 in FIG. 3 ).
  • the outer diameter of the closing piston 4 is stepped. On both sides of a piston portion 14 of larger diameter piston portions 15, 16 of smaller diameter are provided.
  • the Kolbenabschitt 14 of larger diameter is formed by means of a designed as a sliding ring piston ring 17 which is inserted into a circumferential groove 18 on a piston body 19 of the closing piston 4.
  • the closing piston 4 On the piston ring 17, the closing piston 4 has, in the illustrated example case, an outer diameter of 34 mm corresponding to the inner diameter of the hollow-cylindrical door closer housing 7.
  • the opposite the piston portion 14 diameter-reduced piston portions 15, 16 on both sides of the piston ring 17 have a diameter of 33.7 mm and 33.5 mm. Accordingly, the closing piston 4 is only at the piston portion 14 with the inner wall of the door closer housing 7 in contact.
  • the door closer 1 is mounted in the usual manner on a door, not shown, and connected to the closer shaft 2 via a likewise not shown rods of conventional design to a fixed door frame.
  • the FIGS. 1 to 4 show the conditions on the door closer 1 with the door closed.
  • the actual conditions on the door closer 1 may differ, for example as a result of manufacturing and / or assembly tolerances. It is conceivable in particular an undesirable inclination of the closer shaft 2, as in FIG. 4 is sketched heavily overdrawn.
  • an in FIG. 4 dashed lines indicated point contact of the bearing roller side bearing surface 11 and the closing shaft-side control surface 9.
  • a deterioration in the efficiency of the door closer 1 would also result from the fact that the point of mutual support of Hubkurvenement 3 and the bearing roller 5 with respect to a in FIG. 4 also indicated by dashed lines longitudinal center plane 22 of the door closer 1 would be offset relatively far.
  • the longitudinal center plane 22 of the door closer 1 extends in FIG. 2 perpendicular to the plane of the drawing along the housing axis 12.
  • the bearing surface 11 of the locking piston 4 rotatably mounted on the bearing roller 5 can adjust their orientation in the support plane 21 to the orientation of the control surface 9 of the Hubkurvenement 3. Regardless of the inclination of the closer shaft 2 thus results in the support plane 21 line contact between the bearing surface 11 of the bearing roller 5 and the control surface 9 Hubkurvenement 3.
  • the occurring in the operation of the door closer 1 on the bearing surface and the control surface 9 wear is minimized acting on the closing piston 4 tilting moment is compared to the conditions in the in FIG. 4 Dashed lines indicated orientation of the bearing roller 5 significantly reduced.
  • the closing piston 4 is in contact exclusively with the piston ring 17 with the inner wall of the door closer housing 7.
  • the movements performed by the closer piston 4 against the action of the closing spring 6 and also the movements of the closer piston 4 due to the action of the closing spring 6 along the housing axis 12 are subject to only a slight friction.

Landscapes

  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
EP14160683.0A 2014-03-19 2014-03-19 Ferme-porte Active EP2921626B2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP14160683.0A EP2921626B2 (fr) 2014-03-19 2014-03-19 Ferme-porte
PL14160683.0T PL2921626T5 (pl) 2014-03-19 2014-03-19 Samozamykacz drzwiowy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14160683.0A EP2921626B2 (fr) 2014-03-19 2014-03-19 Ferme-porte

Publications (3)

Publication Number Publication Date
EP2921626A1 true EP2921626A1 (fr) 2015-09-23
EP2921626B1 EP2921626B1 (fr) 2018-09-05
EP2921626B2 EP2921626B2 (fr) 2024-02-21

Family

ID=50289550

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14160683.0A Active EP2921626B2 (fr) 2014-03-19 2014-03-19 Ferme-porte

Country Status (2)

Country Link
EP (1) EP2921626B2 (fr)
PL (1) PL2921626T5 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5901412A (en) * 1996-01-30 1999-05-11 Dorma Gmbh + Co. Kg Top-mounted door closer
DE102004041358A1 (de) 2004-08-25 2006-03-02 Dorma Gmbh + Co. Kg Obentürschließer
DE102006002751A1 (de) * 2006-01-20 2007-09-20 Landert-Motoren Ag Drehflügeltürantrieb mit Kurvenscheibe
GB2462633A (en) * 2008-08-14 2010-02-17 Jebron Ltd A roller cam follower mounted within a rotatable carrier

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3225795A1 (de) 1982-07-09 1984-01-12 Casma S.p.A., 20013 Magenta Tuerschliesser
DE4442340A1 (de) † 1994-11-29 1996-05-30 Geze Gmbh & Co Türschließer
GB0124376D0 (en) 2001-10-11 2001-11-28 Jebron Ltd Door Closer
DE102010022052A1 (de) † 2009-12-01 2011-06-09 Dorma Gmbh + Co. Kg Hydraulisches Magnetwegeventil und Türschließer mit hydraulischem Magnetwegeventil
DE102011055974A1 (de) 2011-12-02 2013-06-06 Dorma Gmbh + Co. Kg Türbetätiger

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5901412A (en) * 1996-01-30 1999-05-11 Dorma Gmbh + Co. Kg Top-mounted door closer
DE102004041358A1 (de) 2004-08-25 2006-03-02 Dorma Gmbh + Co. Kg Obentürschließer
DE102006002751A1 (de) * 2006-01-20 2007-09-20 Landert-Motoren Ag Drehflügeltürantrieb mit Kurvenscheibe
GB2462633A (en) * 2008-08-14 2010-02-17 Jebron Ltd A roller cam follower mounted within a rotatable carrier

Also Published As

Publication number Publication date
EP2921626B1 (fr) 2018-09-05
EP2921626B2 (fr) 2024-02-21
PL2921626T3 (pl) 2019-02-28
PL2921626T5 (pl) 2024-04-29

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