EP2924224A1 - Dispositif de joint amovible controlable - Google Patents

Dispositif de joint amovible controlable Download PDF

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Publication number
EP2924224A1
EP2924224A1 EP15000903.3A EP15000903A EP2924224A1 EP 2924224 A1 EP2924224 A1 EP 2924224A1 EP 15000903 A EP15000903 A EP 15000903A EP 2924224 A1 EP2924224 A1 EP 2924224A1
Authority
EP
European Patent Office
Prior art keywords
chamber
strip
door
delay
actuator
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
EP15000903.3A
Other languages
German (de)
English (en)
Other versions
EP2924224B2 (fr
EP2924224B1 (fr
Inventor
Luca Geron
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.)
CCE Costruzioni Chiusure Ermetiche Srl
Original Assignee
CCE Costruzioni Chiusure Ermetiche Srl
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Publication date
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Application filed by CCE Costruzioni Chiusure Ermetiche Srl filed Critical CCE Costruzioni Chiusure Ermetiche Srl
Publication of EP2924224A1 publication Critical patent/EP2924224A1/fr
Application granted granted Critical
Publication of EP2924224B1 publication Critical patent/EP2924224B1/fr
Publication of EP2924224B2 publication Critical patent/EP2924224B2/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
    • E06B7/18—Sealing arrangements on wings or parts co-operating with the wings by means of movable edgings, e.g. draught sealings additionally used for bolting, e.g. by spring force or with operating lever
    • E06B7/20—Sealing arrangements on wings or parts co-operating with the wings by means of movable edgings, e.g. draught sealings additionally used for bolting, e.g. by spring force or with operating lever automatically withdrawn when the wing is opened, e.g. by means of magnetic attraction, a pin or an inclined surface, especially for sills
    • E06B7/215—Sealing arrangements on wings or parts co-operating with the wings by means of movable edgings, e.g. draught sealings additionally used for bolting, e.g. by spring force or with operating lever automatically withdrawn when the wing is opened, e.g. by means of magnetic attraction, a pin or an inclined surface, especially for sills with sealing strip being moved to a retracted position by elastic means, e.g. springs

Definitions

  • the present invention generally finds application in the field of heat and sound insulating devices for doors and windows, and particularly relates to a controllably movable draught-excluder device.
  • Draught-excluder devices have been long known to be used in door or window leaves for at least partially closing off any gap that may occur either between the leaf and the sill or between the door and the floor.
  • a seal e.g. a strip made of a flexible material, which is designed to interact with the floor to restrict air passage.
  • a first drawback of these known arrangements is that the flexible strip constantly contacts the floor and tends to rub against its surface as the door is opened and closed, thereby generating friction and making it difficult the movement by the user.
  • a further drawback is that the flexible strip tends to undergo permanent deformation upon repeated rubbing against the floor, which will considerably reduce its air sealing effect.
  • draught-excluder devices have been developed, which are able to move between a raised position, in which they are held within a seat formed in the bottom edge of the door, and a lowered position in contact with the floor.
  • the flexible strip can only move from the raised position to the lowered position when the door is closed, and is thus prevented from rubbing as the door moves.
  • Draught-excluder devices generally comprise an actuator which projects out of the door and is conformed to interact with the fixed frame and control appropriate drive means, which are designed to promote automatic translation of the flexible strip from the raised position to the lowered position and vice versa.
  • delay means are interposed between the actuator and the drive means to cause the flexible strip to descend some time after the door has been closed.
  • GB616076 discloses a draught-excluder device in which the delay means comprise a hollow oil hydraulic cylinder which slidably supports an annular shaft acted upon by a spring driven by the actuator.
  • the movement of the actuator compresses the spring and allows the fluid to circulate within a conduit which is located fluidically downstream from the cylinder, for controlled descent of a pair of pistons associated with the flexible strip.
  • a first drawback of this arrangement is that the device requires a very complex manufacturing process, because the cylinder, the conduit and the shaft must be appropriately sized to maintain the fluid at a pressure above a predetermined minimum value sufficient to counteract the natural upward movement of the strip.
  • CH666719 discloses a draught-excluder device in which the actuator is connected to the drive means through a rigid arm extending through a oil hydraulic cylinder which defines a pair of chambers in fluid communication with each other through a hole.
  • the movement of the actuator displaces the rigid arm and consequently actuates the drive means with a damping effect caused by the flow of oil into the two chambers through the oil. This will cause delayed and progressive descent of the flexible strip to contact with the floor.
  • the flexible strip rubs against the floor for a non-negligible time before being raised.
  • the object of the present invention is to obviate the above drawbacks, by providing a controllably movable draught-excluder device that is highly efficient and relatively cost-effective.
  • a particular object of the present invention is to provide a controllably movable draught-excluder device that allows the door to be easily opened and closed and promotes a high sealing effect irrespective of the conformation of the floor or sill.
  • a particular object of the present invention is to provide a controllably movable draught-excluder device that ensures instantaneous response as the door is opened.
  • Another object of the present invention is to provide a controllably movable draught-excluder device that has a simple manufacturing process.
  • Another object of the present invention is to provide a controllably movable draught-excluder device that has simple maintenance.
  • Yet another object of the present invention is to provide a controllably movable draught-excluder device that affords very simple adjustment of the delay with which the flexible strip is lowered, such delay being constant with time.
  • controllably movable draught-excluder device generally designated by numeral 1, which is designed to be attached to the bottom edge B of a door P or a door or window leaf, the latter being hinged to a fixed frame T secured to an opening formed in a wall.
  • the frame T comprises a pair of vertical posts M, M', joined by a horizontal cross member.
  • the door P may be hinged to one of these posts M' to pivot about a substantially vertical axis.
  • the draught-excluder device 1 comprises a box-like enclosure 9 which is designed to be fitted into a longitudinal groove W formed in the bottom edge B of the door P and a seal 2 extending along a longitudinal axis L.
  • the seal 2 essentially consists of a strip 3 of a profile that is adapted to interact with the floor F to provide an at least partial air sealing effect.
  • the strip 3 may interact with a sill S, which is attached to the floor F and has a convex outer surface to prevent the passage of dirt or impurities.
  • the seal 2 is preferably made of a flexible material selected from the group comprising elastomers or polymeric materials and may have an upper portion 4 with at least one lower appendix 5 extending therefrom to interact with the sill S.
  • the device 1 further comprises drive means 6 which act upon the strip 3 to move it between a raised rest position, relative to the sill S or the floor F and a lowered operating position, in contact with the sill S or the floor F.
  • the device 1 Proximate to one of the ends of the box-like enclosure 9, the device 1 comprises an actuator 7, which is operably associated with the drive means 6 to control actuation thereof.
  • the actuator 7 is adapted to move between an extended position, in which it does not interact with the frame T and a retracted position in which it contacts the frame T.
  • the box-like enclosure is designed to be located in the longitudinal groove W of the bottom edge B of the door P for the actuator 7 to be able to interact with a post M of the frame T. Namely, the actuator 7 will be in an extended position when the door P is open and in a retracted position when the door P is closed.
  • Delay means 8 are further provided, which act upon the drive means 6 to delay the movement of the strip 3.
  • the delay means 8 are adapted to interact with the drive means 6 to transfer motion from the actuator 7 to the strip 3 and to delay the movement of the strip 3 from the raised position to the lowered position as the door P is closed.
  • the lower appendix 5 of the strip 3 will gradually fit the particular shape of the sill S or floor F, thereby increasing its draught or air sealing effect.
  • the strip 3 will only move to its lowered position when the door P is closed, which will prevent it from rubbing against the sill S or floor F.
  • the drive means 6 comprise at least one slide 10, which is connected to the strip 3 by means of one or more links 11.
  • First elastic means 12 may be further provided between the actuator 7 and the slide 10.
  • the actuator 7 may comprise a tubular element 13 having a flat end portion 14 projecting out of the enclosure 9 and adapted for interaction with the post M of the frame T.
  • the tubular element 14 may be slidably mounted to a longitudinal pin 15 located in the enclosure 9 and having one end 16 rigidly joined to the slide 10.
  • the first elastic means 12 may comprise a bias spring 17 fitted on the longitudinal pin 15 whose ends 18, 19 interact with the actuator 7 and the slide 10 respectively.
  • the slide 10 may interact with the actuator 7 to move in a longitudinal direction to a predetermined extent.
  • the actuator 7 may promote compression of the bias spring 17.
  • the latter may have a spring modulus K 1 selected to transfer a longitudinal force F 1 of not less than 230 N to the slide 10.
  • the device 1 may comprise a pair of connecting rods 11, 11' with one end 20, 20' hinged to corresponding anchor elements 21, 21', which are designed to be removably secured to the upper portion 4 of the strip 3.
  • the other end 22 of one of the connecting links 11 is hinged to a slide 10, whereas the end 22' of the other connecting link 11' is hinged to a fixed support 23.
  • This connecting arrangement will provide a four-bar linkage 24 whose sides are formed by the slide 10, the connecting link 11, the strip 3 and the other connecting link 11' respectively.
  • the force F 1 applied by the bias spring 17 to the four-bar linkage 24 through the slide 10 will cause the strip 3 to move downwards, while remaining substantially parallel to the longitudinal axis L.
  • a further peculiar feature of the invention is that the slide 10 has an appendix 25 with end edge 26, preferably but without limitation having a flat shape, adapted to interact by contact with the delay means 8 when the actuator 7 contacts the post M, to thereby delay the movement of the strip 3 from the raised position to the lowered position as the door P is closed.
  • the end edge 26 is further adapted to be moved away from the delay means 8 to ensure quasi-instantaneous automatic movement of the strip 3 from its lowered position to its raised position as the door P is opened.
  • the delay means 8 may comprise a substantially longitudinal oil hydraulic shock-absorber 27 comprising second elastic means 28.
  • the shock absorber 27 comprises an elongate body 29 having a substantially cylindrical longitudinal cavity 30 which defines at least one first chamber filled with incompressible oil O.
  • a partition element 31 may be placed in the cavity 30 to define a first chamber 32 and a second chamber 33, with an axial passage 34 for fluid communication therebetween.
  • the elongate body 29 may in turn comprise a front portion 35 and a rear portion 36, which are joined together at one end 37, 28 and define the first chamber 32 and the second chamber 33 respectively.
  • end 38 of the rear portion 36 may be fitted into an opening 39 formed in the end 37 of the front portion 35 to define the partition element 31.
  • the partition element 31 may have a pair of substantially flat faces 40, 41 facing the first chamber 32 and the second chamber 33 respectively.
  • the fluid O that fills the cavity 30 may be an oil selected from the group comprising both natural and synthetic hydraulic oils.
  • the second elastic means 28 may comprise at least one first spring 42 held within the first chamber 32, and the second elastic means 28 may comprise a second spring 43 held within the second chamber 33.
  • the shock-absorber 27 may comprise a piston 44 having a rod 45 slidably fitted in an axial end hole 46 of the elongate body 29 and an enlarged head 47, slidably held within the first chamber 32 and interacts with one end 48 of the first spring 42.
  • the first spring 42 may act upon the enlarged head 47 with a longitudinal force F 2 directed opposite to the force F 1 exerted by the bias spring 17 on the slide 10, as best shown in FIGS. 7 , 9 and 10 .
  • the axial end hole 46 will be formed in the front portion 35 of the elongate body 29 and the free end of the shaft 49 may project outwardly thereof when the first chamber 32 is at least partially filled with fluid O.
  • shock-absorber 27 may comprise an annular element 50, which is slidably and sealably inserted in the second chamber 33.
  • the second spring 43 may interact with the annular element 50 to exert thereupon a longitudinal force F 3 in the same direction as the force F 2 exerted by the first spring 42 on the enlarged head 47, to promote compression of the fluid O in the second chamber 33.
  • the partition element 31 may have a seat 51 on the face 40 facing the first chamber 32, said seat communicating with the axial passage 34 and being adapted to accommodate a valve body 52 which is slidably movable against the biasing action of the first spring 42.
  • the valve body 52 may have a calibrated axial orifice 53 which is designed to restrict the flow of fluid O from the first chamber 32 to the second chamber 33, thereby damping the displacement t of the shaft 45.
  • the axial orifice 53 may face toward and be located at an end opening 54 of the axial passage 34, once the valve body 52 has been fully accommodated in the seat 51 due to the compression of the fluid O generated by the inward displacement of the rod 45.
  • the fluid O will be able to gradually flow from the first chamber 32 to the second chamber 33, thereby promoting a slower and substantially constant inward movement t of the rod 45.
  • the seat 51 and the lateral surface 55 of the valve body 52 have substantially frustoconical complementary shapes, to create a substantially annular meatus therebetween, through which the fluid O is designed to flow from the second chamber 33 to the first chamber 32.
  • the clearance 56 will be formed as the valve body 52 moves away from the seat 51 due to the force F 4 generated by the fluid O as it flows through the axial passage 34.
  • the second spring 43 may interact with the annular element 50 to compress the fluid O in the second chamber 33 and promote backflow thereof into the first chamber 32 through the axial passage 34 and the clearer and 56.
  • the edge 26 of the appendix 25 may compress the free end 49 of the rod 45 when the actuator 7 is in the retracted position.
  • edge 26 of the appendix 25 will transfer the force F 1 generated by the bias spring 17 to the free end 49 of the rod 45 when the actuator 7 is in the retracted position and the door P is closed.
  • the rod 45 will be pressed inwards and the drive means 6 will promote the delayed movement of the slide 10 and the flexible strip 3 from the raised position to the lowered position, in contact with the sill S.
  • the edge 26 of the appendix 25 may be moved away from the free end 49 of the rod 45 when the actuator 7 is in the extended position, thereby ensuring quasi-instantaneous movement of the slide 10 and the connecting link 11, and instantaneous upward movement of the strip 3 from the lowered position to the raised position, while maintaining an orientation substantially parallel to the longitudinal axis L.
  • the cavity 13 has a single chamber 32, which houses the head 47 of the piston 44, acted upon by the end 48 of a single spring 42.
  • a plurality of substantially axial calibrated through holes 57 are formed at the enlarged head 47 of the piston 44, allowing the fluid O in the first chamber 32 to flow through the head 47 as the piston 44 moves forward.
  • the spring 32 is designed to act upon the head 47 of the piston 44 to cause the free end 49 of the rod 45 to move back to the maximum distance from the end hole 46.
  • a cylindrical element 58 may be inserted in the chamber 32 upstream from the enlarged head 47, and have a corresponding central passage 59, for the rod 45 to slide therein and compensate for fluid O volume changes as the piston 44 moves.
  • FIGS. 6 to 14 sequentially show the steps of the operation of the draught-excluder device 1 as the door P is being closed/opened.
  • the actuator 7 when the door P is open, the actuator 7 is in the extended position, and the strip 3 is in the raised position, at a distance from the sill S, as shown in FIG. 6 .
  • the end surface 14 of the actuator 7 will contact the post M, thereby promoting the longitudinal translation t' of the actuator 7 to its maximum predetermined extent w, i.e. to its retracted position, and compressing the spring 17 to transfer the force F 1 to the slide 10 and the appendix 25.
  • the rod 45 of the shock-absorber 27 is initially still, as the force F 1 is initially counteracted and balanced by a force resulting from the sum of the compression of the fluid O in the first chamber 32, the force F 2 of the first spring 42 and the force F 3 of the second spring 43.
  • valve body 52 will be displaced into the seat 51 formed in the partition element 31.
  • shock-absorber has two inner chambers
  • pressure upon the rod 45 promotes circulation of the fluid O from the first chamber 32 to the second chamber 33 through the calibrated orifice 53, and causes the enlarged head 47 of the piston 44 to move back into the first chamber 32.
  • the slide 10 will move longitudinally in the same direction as the force F 1 , thereby causing the connecting link 11 to rotate and the strip 3 to be progressively lowered to contact with the sill S.
  • the actuator 7 will move the pin 15 outwards and the latter will cause instantaneous displacement of the slide 10 and the edge 26 of the appendix 25, as well as an instantaneous upward motion of the strip 3 from the contact position to the raised position.
  • the fluid O may circulate from the second chamber 33 to the first chamber 32 due to the compression exerted thereon by the second spring 43 through the annular element 50, which will cause the valve body 52 to move away from the seat 51 with a meatus 56 being formed thereby.
  • the piston 41 will stop sliding when the free end 49 of the shaft 45 will contact the edge 26 of the appendix 25, and the state of FIG. 6 will be restored.
  • the contact of the rod 45 with the appendix 25 may occur in about 2 s, whereupon the device 1 is ready for a new operating cycle.
  • the draught-excluder device of the invention fulfills the intended objects, in that it allows the flexible strip to contact the floor with a predetermined delay after the door has been closed, and to be raised almost instantaneously as soon as the door is opened.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
EP15000903.3A 2014-03-28 2015-03-27 Dispositif de joint amovible controlable Active EP2924224B2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITVI20140082 2014-03-28

Publications (3)

Publication Number Publication Date
EP2924224A1 true EP2924224A1 (fr) 2015-09-30
EP2924224B1 EP2924224B1 (fr) 2016-10-12
EP2924224B2 EP2924224B2 (fr) 2023-07-12

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ID=50819917

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EP15000903.3A Active EP2924224B2 (fr) 2014-03-28 2015-03-27 Dispositif de joint amovible controlable

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT517964B1 (de) * 2016-01-18 2017-06-15 Ing Degelsegger Walter Dichtungsvorrichtung für den unteren Randbereich eines schwenkbaren Türflügels
IT201800002357A1 (it) * 2018-02-05 2019-08-05 Luca Geron Dispositivo paraspifferi con innesco ritardato
WO2019150338A1 (fr) * 2018-02-05 2019-08-08 Luca Geron Dispositif anti-tirage à actionnement retardé
EP3754146A1 (fr) * 2019-06-19 2020-12-23 Athmer oHG Joint d'étanchéité automatique doté d'un amortisseur permettant de retarder l'abaissement
DE102016117669B4 (de) 2015-10-23 2022-10-20 Athmer Ohg Automatisch ausfahrbare Türspaltdichtung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR812519A (fr) * 1936-10-26 1937-05-12 Appareil obturateur d'interstice sous les portes et fermetures similaires quasi-invisible
GB616076A (en) 1943-05-19 1949-01-17 Peter Johannes Hubertus Hovens Improvements in or relating to door attachment devices for exclusion of draught
CH666719A5 (en) 1985-05-08 1988-08-15 Planet Matthias Jaggi Sealing strip for lower edge of door - has delay mechanism to prevent descent of strip until door is fully closed

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU842293A1 (ru) † 1979-08-07 1981-06-30 Центральное Конструкторское Бюропрачечного Оборудования Гидроамортизатор
GB8805706D0 (en) † 1988-03-10 1988-04-07 Reilor Ltd Door closer
DE3935790C2 (de) † 1989-10-27 1996-12-12 Hahn Gmbh & Co Kg Dr Automatische Bodendichtung für eine Tür
JP3615847B2 (ja) † 1995-10-16 2005-02-02 株式会社シブタニ ドアボトムのシール装置
US5727286A (en) † 1996-03-11 1998-03-17 Shen; Chung-Shan Door closer with a pneumatic dashpot
JP3663273B2 (ja) † 1997-02-10 2005-06-22 株式会社シブタニ ドアボトムのシール装置
IT1296362B1 (it) † 1997-11-05 1999-06-25 Luigi Geron Dispositivo paraspifferi autoregolante
IT1296370B1 (it) † 1997-11-11 1999-06-25 Luigi Geron Pulsante azionatore auto-orientabile per dispositivo paraspifferi automatico e dispositivo paraspifferi incorporante tale pulsante
JP2003193764A (ja) † 2001-12-26 2003-07-09 Shibutani:Kk ドアボトムの閉鎖装置
ITVI20020268A1 (it) † 2002-12-12 2004-06-13 C C E Costruzioni Chiusure Ermetic He Srl Dispositivo paraspifferi, particolarmente per porte ed infissi similari.
CN1942647B (zh) † 2004-12-02 2010-10-06 三星精密工业株式会社 用于消除关门的噪音的缓冲器
ITVI20050122A1 (it) † 2005-04-26 2006-10-27 Luigi Geron Dispositivo antispiffero particolarmente per infissi
GB2437530B (en) † 2006-04-03 2011-11-16 Gibcloser Ltd Fitting tool for a concealed door closer
JP3138325U (ja) † 2007-10-16 2007-12-27 株式会社日鋼サッシュ製作所 ドアボトム装置
ES1067209Y (es) † 2007-10-30 2008-08-01 Etcheto Lander Urquia Amortiguador para puertas con cierre de resorte

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR812519A (fr) * 1936-10-26 1937-05-12 Appareil obturateur d'interstice sous les portes et fermetures similaires quasi-invisible
GB616076A (en) 1943-05-19 1949-01-17 Peter Johannes Hubertus Hovens Improvements in or relating to door attachment devices for exclusion of draught
CH666719A5 (en) 1985-05-08 1988-08-15 Planet Matthias Jaggi Sealing strip for lower edge of door - has delay mechanism to prevent descent of strip until door is fully closed

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016117669B4 (de) 2015-10-23 2022-10-20 Athmer Ohg Automatisch ausfahrbare Türspaltdichtung
AT517964B1 (de) * 2016-01-18 2017-06-15 Ing Degelsegger Walter Dichtungsvorrichtung für den unteren Randbereich eines schwenkbaren Türflügels
AT517964A4 (de) * 2016-01-18 2017-06-15 Ing Degelsegger Walter Dichtungsvorrichtung für den unteren Randbereich eines schwenkbaren Türflügels
IT201800002357A1 (it) * 2018-02-05 2019-08-05 Luca Geron Dispositivo paraspifferi con innesco ritardato
WO2019150338A1 (fr) * 2018-02-05 2019-08-08 Luca Geron Dispositif anti-tirage à actionnement retardé
EP3754146A1 (fr) * 2019-06-19 2020-12-23 Athmer oHG Joint d'étanchéité automatique doté d'un amortisseur permettant de retarder l'abaissement

Also Published As

Publication number Publication date
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EP2924224B1 (fr) 2016-10-12

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