EP1375807B2 - Ferme-porte à amortissement hydraulique - Google Patents

Ferme-porte à amortissement hydraulique Download PDF

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Publication number
EP1375807B2
EP1375807B2 EP03291561A EP03291561A EP1375807B2 EP 1375807 B2 EP1375807 B2 EP 1375807B2 EP 03291561 A EP03291561 A EP 03291561A EP 03291561 A EP03291561 A EP 03291561A EP 1375807 B2 EP1375807 B2 EP 1375807B2
Authority
EP
European Patent Office
Prior art keywords
door
piston
blocking
door closer
skirt
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
EP03291561A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1375807B1 (fr
EP1375807A1 (fr
Inventor
Jean-Philippe Touzain
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.)
Saint Gobain SEVA SA
Original Assignee
Saint Gobain SEVA SA
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
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Application filed by Saint Gobain SEVA SA filed Critical Saint Gobain SEVA SA
Priority to DE60320349T priority Critical patent/DE60320349T3/de
Publication of EP1375807A1 publication Critical patent/EP1375807A1/fr
Application granted granted Critical
Publication of EP1375807B1 publication Critical patent/EP1375807B1/fr
Publication of EP1375807B2 publication Critical patent/EP1375807B2/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
    • E05F3/22—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
    • E05F3/222—Mechanical power-locks, e.g. for holding the wing open or for free-moving zones electrically operated
    • 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
    • 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
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/002—Closers or openers for wings, not otherwise provided for in this subclass controlled by automatically acting means
    • E05F1/006—Closers or openers for wings, not otherwise provided for in this subclass controlled by automatically acting means by emergency conditions, e.g. fire
    • 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
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/46—Magnets
    • E05Y2201/462—Electromagnets
    • 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
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/47—Springs
    • E05Y2201/474—Compression springs
    • 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 present invention relates to the field of door closing devices, and relates to a hydraulic damping door closer capable of maintaining a door in the open position at a predetermined angle.
  • Some types of door closers should normally lock the door in the open position and close automatically in the event of interruption of the power supply of an electrical circuit. when a fire is detected.
  • the document FR-A-2,760,780 has a device that overcomes these disadvantages and that maintains a door in the open position at a predetermined angle, for example between 80 ° and 180 °, and automatically closing as soon as the power supply is interrupted, while being inaccessible to acts of vandalism as a result of its integration with the floor or lintel of the door, by means of appropriate mounting device (s).
  • the door closer according to FR-A-2,760,780 comprises a housing containing a hydraulic fluid and in which is mounted sliding sealingly a piston chambers of respective volumes variable in opposite directions and whose movements relative to the housing are integral with those of a door leaf, a return spring being resting against the skirt of the piston to return it to a closed position of the door.
  • Three ducts connect the two chambers of the housing separated by the skirt of the piston to ensure the transfer of fluid between the two chambers, which comprise a first conduit provided with a non-return valve opening when the piston moves to a position d opening of the door, a second conduit provided with a calibrated spring valve acting as a safety valve, and a third conduit provided with an adjustable throat which ensures the damping effect. It further comprises means for blocking the door in the open position to temporarily seal at least one of said three fluid transfer ducts, and control means in contact with these locking means to actuate them.
  • a door closer according to the preamble of claim 1 is known from the document FR 2519061 .
  • the locking means of the door in the open position consist of a control head and a magnetic unit.
  • the control head can thus lock or unlock to allow the fluid in the device to pass through a valve in the center of the magnetic unit.
  • the locking means thus make it possible to block the evacuation of the fluid contained in the central chamber.
  • the apparatus presented in the document US 4,663,800 is thus also a device that presents a risk of micro-leakage, because the implementation of the electromagnet of the magnetic unit causes the closing of the valve which then prevents the fluid from leaving the chamber without preventing it entering.
  • micro-leakage produces visible effect only when the central chamber has emptied so much that the rod has come into contact with the valve under the thrust of the spring. The effect engendered then is an immediate and complete reclosing of the door.
  • the present invention aims to provide an improved device that allows with greater reliability over time the locking of an open door at a predefined angle.
  • the object of the present invention is to remedy the major disadvantage of the following prior art: the drift of the door closer which causes the closing of the door, that this drift is slow and progressive (sometimes several degrees of angle per day) or late and brutal.
  • the drift phenomenon of the door with the door closers of the prior art is due, essentially, to the fact that the blockage of the door is operated by attempting to maintain a fluid pressure in a chamber, using a valve that is closed.
  • the fluid pressure is then important in the chamber (of the order of 40 bar and sometimes even more), it inevitably creates micro-fluid leaks that will cause a reclosing of the door.
  • the best drifting machines are shown with a maximum drift of 1 ° per day, and the best delayed and brutal drifting devices are shown to hold the door open for up to three days, but so far no presenting absolutely no derivative has been realized.
  • the door closer is of the type comprising a housing containing a hydraulic fluid and in which is mounted sliding tight seal a piston provided with a skirt defining on either side of it in the housing two chambers of respective volumes variable in opposite directions and whose movements relative to the housing are integral with those of a door leaf, a return spring being in abutment against the skirt of the piston to recall it to a closed position of the door, and at least a duct connecting the two chambers of the housing separated by the skirt of the piston to ensure the transfer of fluid between the two chambers and which comprises means for locking the door in the open position, these means comprising mechanical locking means of the piston stroke in the open position, which will act directly on the piston to hold it.
  • the door closer according to the invention thus operates a mechanical locking of the piston itself; it being secured in its movements of the door leaf, the door is blocked by a simple transfer of mechanical forces.
  • the piston does not put the hydraulic fluid under pressure.
  • the pressure balance between the two chambers eliminates the risk of leakage, ie micro leaks through one or valves that equip the fluid circulation ducts connecting the two chambers, these micro leaks being responsible for the phenomenon of drift on the farm. door with hydraulic lock, or leaks through the housing of the device.
  • the response time that is to say the difference between the maximum open position (typically against the neighboring partition) and the locking position, can be reduced by about half compared to a locking system. hydraulic because it avoids the dead time due to the compression of the air inevitably present inside the device.
  • the mechanical locking means comprise a locking pin bearing against the skirt of the piston opposite the return spring, and mounted to move in translation, whose stroke is limited by at least one retractable stop.
  • the door closer represented on the figure 1 comprises a casing 1 of elongated shape extending along and about a central axis, a part of which constitutes a cylinder in which is slidably mounted a piston 2, and where are also housed a compression spring 3 of return and a device 4 security and amortization of jolts of closure.
  • the cylinder contains a damping hydraulic fluid such as an oil.
  • the piston 2 is provided with a head 5 which is secured by a transverse pin 6 to a skirt 7 which surrounds it over the greater part of its length and which is in sliding contact on its outer periphery with the wall of the cylinder of the casing 1; an annular seal 8 is housed in a groove dug in the outer periphery of the skirt 7 of the piston.
  • the piston rod 2 comprises, at its end opposite the skirt 7, a foot 9 pierced transversely to the axis to receive a screw 10 solidarisant the piston 2 an end of a carriage 11.
  • the housing 1 carries perpendicularly to its longitudinal axis, a shaft 12 which protrudes out of the housing 1 on one side thereof, by a head 12A secured to the door, for example the door thereof, so that the shaft 12 is rotated during pivoting movements of the leaf.
  • a cam 13 of cardioid shape in contact with a roller 14 and a cam follower 15 linked in translation to the carriage 11 by two respective axes 16 and 17 carried by the trolley, around which they can spin.
  • the skirt 7 of the piston divides the cylinder of the housing into two chambers 19, 20 whose volume varies in opposite directions as the piston moves in this cylinder, the first chamber 19 extending towards the shoulder 18 towards the surrounding region the carriage 11, and the second chamber 20 extending on the opposite side of the skirt and being delimited therein by a stopper 21.
  • the bottom of the skirt 7 of the piston is provided with two longitudinal through ducts 22, 23 each having, opposite the head 5 of the piston, a coaxial portion of larger diameter defining a cavity opening into the second chamber 20, in which is trapped a ball 24, 25 movable between the small diameter portion and a seat having a central nozzle, fixed in the large diameter portion.
  • the conduits 22, 23 are adapted to selectively provide communication between the chambers 19, 20 separated axially by the skirt 7 of the piston, which are filled with hydraulic fluid.
  • the ball 24 capable of closing the first conduit 22 is pressed against its seat by a calibrated spring 26, so as to constitute a safety valve, while the ball 25, axially free between two seats in the second conduit 23, plays a role of check valve.
  • a third conduit (not visible on the figure 1 ), whose section is adjustable by appropriate means, provides communication between the chambers 19 and 20 in both directions.
  • the tared spring ball 24 is biased to closing and remains in its seat; the non-return ball 25 moves axially and disengages its communication duct between the first chamber 19 which decreases in volume and the second chamber 20 which increases in volume.
  • the third conduit (not shown) also provides a small portion of the transfer.
  • the calibrated spring ball 24, biased to closure by this calibrated spring 26, remains on its seat, and the first conduit is closed; the non-return ball 25 moves axially towards a closed position of the second duct and also prevents communication between the two chambers 19 and 20.
  • the third duct (not shown) which ensures the transfer of the fluid the second chamber 20, which decreases the volume, to the first chamber 19, which increases in volume, with a previously regulated flow ensuring the damping of the closure of the door.
  • the fluid pressure becomes such, in the second chamber 20, that the ball 24 spring, pushed by the fluid, compresses his spring and ensures, through the first conduit 23, the direct communication of the second chamber 20 to the first chamber 19 of the return spring 3, ensuring the safety of the door closer.
  • the door closer comprises locking means essentially comprising a locking pin 27 guided through the plug 21, this axis 27 being kept in permanent contact with the skirt 7 of the piston by a spring 28, and a bearing sleeve 29 integral with the plug 21 surrounded by a cage 30 constituted of a bell 31 with inclined walls and a counter-plate 32.
  • the cage 30 is movable in translation along the sleeve 29 between an abutment position on the side of the cap 21 and a stop position on the bottom side of the housing which houses an electromagnetic lock.
  • the electromagnetic lock is connected to power supply means generally coupled to the building fire station.
  • the retaining torque of the device can be controlled by tightening the screw connecting the suction cup to the housing with the interposition of a slightly compressible seal.
  • the electromagnetic lock 33 is energized.
  • the axis 12 When opening the door, the axis 12 is rotated.
  • the transmission of motion between the axis of rotation, the cam 13 and the roller 15 involves a linear displacement of the piston 2 of a position A shown in FIG. figure 2 towards a position B represented on the figure 3 . This displacement compresses the spring 3 of the pivot.
  • the spring 28 exerting a permanent thrust between the locking pin 27 and the counter-plate 32 makes it possible to maintain contact between the locking pin 27 and the piston 2.
  • the axis 27 exerting a constant pressure on the skirt 7 of the piston 2 it may be appropriate to provide an interface material between the axis 27 and the skirt 7 when the material constituting the latter (for example Zamac ® ) is less resistant than that of the axis (for example in steel).
  • the interface material takes the form of a reinforcing washer bearing against the end surface of the skirt 7, this washer being integrated into the seat cap of the ball 24.
  • the assembly is then locked in a position of equilibrium: the door is kept open.
  • the response time unavoidable due to the presence of air in the mechanical system
  • the response time can be limited to a minimum, especially at about 2 ° or less.
  • the drift it is completely removed.
  • the stopping position of the door can vary, as an indication, from 85 ° to 115 °, by screwing action or unscrewing on the adjusting nut 36 which connects the plug 21 and the ball holder 29.
  • the ball-bearing sleeve 29 is provided at its end with needles 37 which cooperate with corresponding recesses of the cap 21, so as to block the two parts 29 and 21 in rotation when the nut 36 is turned. action tends to move the ball holder 29 away from the plug 21 and defines the position of the balls 34 along the axis of the piston 2.
  • the position B of the piston 2 during the locking phase varies, implying a different position from the door in stop.
  • the unlocking can be performed on electrical control via the electromagnetic lock, for example the triggering of the fire alarm.
  • the retaining force of the latter on the counterplate 32 becomes zero.
  • the piston moves from position B ( figure 3 ) to position A ( figure 2 ).
  • the piston 2 pushes the locking pin 27 which expels the balls 34 towards the outside of the sleeve 29 by sliding the balls 34 on the incident surface 35 bevel the axis 27.
  • the balls 34 then exert a pushing on the bell 31 which moves back to the blocking position B to return to the initial position A in abutment against the plug 21.
  • Forced unlocking can also be done manually by pressing the door in the closing direction.
  • the blocking system is no longer in equilibrium and the counterplate 32 is detached from the suction cup 33 which allows it to move in translation. The whole system then returns to initial position A as previously described.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Fluid-Damping Devices (AREA)
  • Lubricants (AREA)
EP03291561A 2002-06-26 2003-06-25 Ferme-porte à amortissement hydraulique Expired - Lifetime EP1375807B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE60320349T DE60320349T3 (de) 2002-06-26 2003-06-25 Türschliesser mit hydraulischer Dämpfung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0207913A FR2841586B1 (fr) 2002-06-26 2002-06-26 Ferme-porte a amortissement hydraulique
FR0207913 2002-06-26

Publications (3)

Publication Number Publication Date
EP1375807A1 EP1375807A1 (fr) 2004-01-02
EP1375807B1 EP1375807B1 (fr) 2008-04-16
EP1375807B2 true EP1375807B2 (fr) 2011-07-27

Family

ID=29717102

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03291561A Expired - Lifetime EP1375807B2 (fr) 2002-06-26 2003-06-25 Ferme-porte à amortissement hydraulique

Country Status (5)

Country Link
EP (1) EP1375807B2 (es)
AT (1) ATE392526T1 (es)
DE (1) DE60320349T3 (es)
ES (1) ES2305416T3 (es)
FR (1) FR2841586B1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2945570B1 (fr) * 2009-05-18 2015-05-15 Saint Gobain Seva Dispositif de blocage en rotation d'une porte et porte equipee dudit dispositif.
FR2954389B1 (fr) * 2009-12-21 2012-09-21 Saint Gobain Seva Ferme-porte a retenue electromecanique et a liaison mecanique a came.
DE102018206576A1 (de) * 2018-04-27 2019-10-31 Geze Gmbh Türschließer, elektrohydraulisches Dämpfungsmodul und Verfahren zum Beeinflussen einer Antriebsbewegung eines Türschließers

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1163704B (de) † 1957-03-21 1964-02-20 Gunther Sasse Bodentuerschliesser, insbesondere fuer die Fluegel von Pendeltueren
DE1708457A1 (de) † 1966-09-24 1972-01-27 Zd Y Umelecke Kovovyroby N P Selbsttaetiger Tuerschliesser
DE3151498A1 (de) † 1981-12-24 1983-07-14 Geze Gmbh, 7250 Leonberg Mechanische feststellvorrichtung fuer tuerschliesser, insbesondere bodentuerschliesser
DE3433891A1 (de) † 1984-09-14 1986-03-27 Geze Gmbh, 7250 Leonberg Feststellvorrichtung fuer tuerschliesser

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3707014A (en) * 1970-10-09 1972-12-26 Mauno Kalevi Koivusalo Device for closing, holding open and holding closed a door or equivalent, in particular one for doors with concealed hinges
US5842255A (en) * 1995-10-25 1998-12-01 Luca; Valentin Door closers with automatic latching or/and delayed action
FR2760780B1 (fr) 1997-03-14 1999-04-30 Seva Ferme-porte a amortissement hydraulique a blocage en position d'ouverture

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1163704B (de) † 1957-03-21 1964-02-20 Gunther Sasse Bodentuerschliesser, insbesondere fuer die Fluegel von Pendeltueren
DE1708457A1 (de) † 1966-09-24 1972-01-27 Zd Y Umelecke Kovovyroby N P Selbsttaetiger Tuerschliesser
DE3151498A1 (de) † 1981-12-24 1983-07-14 Geze Gmbh, 7250 Leonberg Mechanische feststellvorrichtung fuer tuerschliesser, insbesondere bodentuerschliesser
DE3433891A1 (de) † 1984-09-14 1986-03-27 Geze Gmbh, 7250 Leonberg Feststellvorrichtung fuer tuerschliesser

Also Published As

Publication number Publication date
DE60320349T2 (de) 2009-07-30
EP1375807B1 (fr) 2008-04-16
ATE392526T1 (de) 2008-05-15
EP1375807A1 (fr) 2004-01-02
FR2841586B1 (fr) 2007-02-09
ES2305416T3 (es) 2008-11-01
DE60320349T3 (de) 2012-01-12
FR2841586A1 (fr) 2004-01-02
DE60320349D1 (de) 2008-05-29

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