EP4008870A1 - Dispositif de sécurité pour actionneur d'un cadre de fenêtre et actionneur d'un cadre de fenêtre - Google Patents

Dispositif de sécurité pour actionneur d'un cadre de fenêtre et actionneur d'un cadre de fenêtre Download PDF

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Publication number
EP4008870A1
EP4008870A1 EP21212058.8A EP21212058A EP4008870A1 EP 4008870 A1 EP4008870 A1 EP 4008870A1 EP 21212058 A EP21212058 A EP 21212058A EP 4008870 A1 EP4008870 A1 EP 4008870A1
Authority
EP
European Patent Office
Prior art keywords
configuration
locking element
actuation member
actuator
frame
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.)
Pending
Application number
EP21212058.8A
Other languages
German (de)
English (en)
Inventor
Toni Cavalcante
Stefanou THEODOROS
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.)
Topp A Socio Unico Srl
Original Assignee
Topp A Socio Unico Srl
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 Topp A Socio Unico Srl filed Critical Topp A Socio Unico Srl
Publication of EP4008870A1 publication Critical patent/EP4008870A1/fr
Pending 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
    • 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
    • E05F15/627—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by flexible elongated pulling elements, e.g. belts, chains or cables
    • 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
    • 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
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/224—Stops
    • 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
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/23—Actuation thereof
    • E05Y2201/232—Actuation thereof by automatically acting means
    • E05Y2201/234—Actuation thereof by automatically acting means direction dependent
    • 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
    • E05Y2201/484—Torsion 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
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/644—Flexible elongated pulling elements
    • E05Y2201/656—Chains
    • 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
    • E05Y2800/25—Emergency conditions
    • E05Y2800/252—Emergency conditions the elements functioning only in case of emergency
    • 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
    • E05Y2800/34—Form stability
    • E05Y2800/342—Deformable
    • 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
    • E05Y2800/414—Physical or chemical protection against high or low temperatures
    • 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
    • E05Y2800/42—Physical or chemical protection against smoke or gas
    • 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
    • E05Y2800/67—Materials; Strength alteration thereof
    • E05Y2800/676—Plastics
    • 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
    • E05Y2900/148—Windows

Definitions

  • the present invention relates to a safety device for an actuator for window units and to an actuator for window units comprising said safety device able to ensure operation thereof in order to open a window unit to which it is connected so as to operate it, especially in the event of a fire and in particular in the case of high temperatures.
  • the actuator for a window unit in question may be especially used to actuate natural heat and smoke evacuators (NHSE), i.e. of a window unit, incorporated in a roof of premises and able to be opened so as to favour the evacuation of heat and smoke in the event of a fire.
  • NHSE natural heat and smoke evacuators
  • the actuator in question allows at the same time both opening operation of the window unit and prevents closing thereof in the event of fire and high-temperature conditions.
  • actuators for window units comprising a frame which can be fixed to a wall or to a fixed part of the window unit, and an actuation member, which may be a chain or a toothed rod having one end which can be fixed to the movable part of the window unit and connected to an operating device fixed to the frame of the actuator, are known.
  • the operating device comprises a motor and at least one toothed wheel which meshes with the chain or the toothed rod so as to extend it or retract it with respect to the frame so that, when installed, extension of the actuation member results in opening of the movable part of the window unit with respect to the fixed part thereof.
  • the window unit may be opened or closed automatically by a control unit.
  • a problem widely encountered in the sector of such actuators is that of ensuring the stability of opening of the window unit, so as to allow the dispersion externally of smoke and heat, also in the case of high temperatures, for example as high as 300°C, being reached.
  • the parts of the actuator which are conventionally made of plastic, such as the toothed wheel for operating the actuation member and a guide for the chain or the toothed rod or generally a guide or a support tend to soften and then melt with the increased heat and, therefore, are unable to help keep the window unit in an open configuration.
  • the locking device is bulky and, since it be housed inside the casing of the actuator, it increases the volume thereof.
  • the actuator since the locking device must be arranged between an opening in the casing, through which the actuation member extends and retracts, and the operating device, the actuator has a greater volume precisely in a direction perpendicular to the fixed part of the window unit, reducing the compactness of the window unit or reducing the working travel of the chain or the toothed rod, by an amount equal to its volume, and therefore also reducing its use in environments where the window unit must be installed in confined spaces.
  • the problem underlying the present invention is therefore that of overcoming the drawbacks of conventional solutions and ensuring the complete opening of a window unit in the event of a fire and at the same time preventing closing thereof.
  • the task of a safety device and an actuator for a window unit comprising said safety device is therefore that of solving this problem.
  • one object of the invention is to provide an actuator for a window unit which is more compact than the conventional actuators, while ensuring a greater level of reliability and safety in the event of a fire.
  • one object of the invention is to provide a safety device and actuator for a window unit comprising said safety device which does not require external operation for activation thereof in the event of a fire.
  • Another object of the present invention is to propose a safety device and an actuator for a window unit comprising said safety device which, at ambient temperatures higher than a predefined temperature value, is able to prevent closing of the window unit, while allowing the opening operation thereof.
  • 10 denotes overall a safety device for an actuator 100 for a window unit which may comprise a fixed part and a movable part which can be moved with respect to the fixed part between an open position and a closed position.
  • the actuator 100 comprises:
  • the frame 11 may also comprise a guide inside which the actuation member slides and, if the latter comprises a chain, also a compartment inside which the actuation member may be housed, being wound back onto itself, in a manner conventional per se.
  • the actuation member 12 In the opening configuration, the actuation member 12 is extended with respect to the frame 11 and in the closing configuration the actuation member 12 is retracted with respect to the frame and optionally at least partially wound back or in any case housed inside the frame so that, when the actuator 100 is in operation it can be operated so as to displace the movable part of the window unit between the closed position and the open position by means of operation of the actuation member 12 between the closing configuration and the opening configuration, respectively.
  • the yielding block 16 is sensitive to the temperature in such a way that, when a predefined temperature is exceeded, the yielding block 16 yields so as to allow the locking element 14 to reach the operating configuration.
  • the predefined temperature is a temperature lower than a critical temperature at which the operating device is negatively affected in terms of its capacity to ensure a fixed position of the actuation member.
  • the locking element 14 when it is in the operating configuration, is clamped against the actuation member 12 if the latter tends to retract towards the frame 11, preventing it from doing so, but on the other hand does not prevent extension of the actuation member 12 from the frame.
  • the locking element 14 may be connected to the base 13 rotatably about a rotation axis A between the rest configuration and the operating configuration.
  • the base 13 may comprise at least one hinging seat 17 which can be engaged by the locking element 14 which has at least one pin 18 rotatably coupled inside the hinging seat 17 so as to define the rotation axis A.
  • the elastic means may comprise at least one torsion spring which may be wound around a pin 18 and have one end which engages the locking element so as to push it into the operating configuration.
  • the locking element 14 may be shaped so as to extend mainly in two directions so as to assume a plate-like or flat shape.
  • the locking element 14 may have a first edge 141 which can be movably fixed to the base 13 and a second edge 142, opposite to the first edge 141, which has a recess which defines a locking seat 19 adapted to engage the actuation member 12 of the actuator 100.
  • the base 13 has a niche B which houses the locking element 14 when it is in the rest configuration.
  • the yielding block 16 may be fixed to the base 13 so as to cover the niche B in order to retain the locking element 14 in the latter.
  • yielding blocks 16 made of different materials, each having a different yielding temperature so as to allow adjustment of the temperature at which the safety device 10 is activated, thereby making it adaptable to different applicational requirements.
  • the locking element 14 may have a locking seat 19 configured to engage the projecting elements 20.
  • the locking element 14 may be connected to the frame 11 in such a way that
  • the frame 11 has an opening passage 21 crossed by the actuation member 12 along a passage direction where the rotation axis A is transverse and preferably perpendicular to the passage direction.
  • the locking element 14 may be configured in such a way that in the operating configuration the locking seat 19 faces the opening passage 21 with respect to the passage direction so as to interfere with the actuation member 12.
  • the frame 11 comprises a casing 111 having a first face 111a and a second face 111b, adjacent to the first face 111a which has the opening passage 21.
  • the second face 111b has at least one flat portion and preferably is flat, where in the rest configuration the locking element 14 is folded down onto the second face 111b and in particular onto its flat portion so as to minimize the volume of the actuator 100 in a direction perpendicular to the flat portion.
  • the rotation axis A preferably is parallel to a corner edge 111 which joins the first face 111a to the second face 111b.
  • the yielding block 16 may comprise a weakened portion 161, which is for example thinner or has slits, and an engaging portion 162.
  • the weakened portion 161 may be configured to cover and/or retain the locking element when it is in the rest configuration and to soften and/or yield at the aforementioned predefined temperature.
  • the engaging portion 162 may be configured to be coupled with the base 13 so as to retain against the latter the weakened portion against the action of the elastic means.
  • the engaging portion 162 may have a form complementing the base 13 so as to be coupled by means of elastic deformation, for example by means of snap-engagement, with the said base 13.
  • the yielding block may be configured to cover completely the base 13 and the locking element 14 so that they are not visible.
  • a safety device and/or an actuator comprising said safety device achieve the task and the pre-set objects, ensuring complete opening of a window unit in the event of a fire and at the same time preventing closing thereof.
  • a safety device it is possible to provide an actuator for a window unit which is more compact than the conventional actuators, while ensuring a greater level of reliability and safety in the event of a fire.
  • Another object of the present invention is to propose a safety device and an actuator for a window unit comprising said safety device which, at ambient temperatures higher than a predefined temperature value, prevents closing of the window unit, while allowing the opening operation thereof.
  • a safety device and an actuator for a window unit comprising said safety device according to the invention is moreover structurally simple, easy to use and can be easily installed without requiring special skills.
  • a safety device may be easily incorporated in an actuator which is already installed, allowing the safety and functionality thereof to be increased.

Landscapes

  • Power-Operated Mechanisms For Wings (AREA)
EP21212058.8A 2020-12-03 2021-12-02 Dispositif de sécurité pour actionneur d'un cadre de fenêtre et actionneur d'un cadre de fenêtre Pending EP4008870A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SM202000660 2020-12-03
IT202000031895 2020-12-22

Publications (1)

Publication Number Publication Date
EP4008870A1 true EP4008870A1 (fr) 2022-06-08

Family

ID=78770546

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21212058.8A Pending EP4008870A1 (fr) 2020-12-03 2021-12-02 Dispositif de sécurité pour actionneur d'un cadre de fenêtre et actionneur d'un cadre de fenêtre

Country Status (1)

Country Link
EP (1) EP4008870A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0218316A2 (fr) 1985-10-04 1987-04-15 Harold James Beard Dispositif d'évacuation de matières flottantes
DE19534614A1 (de) * 1995-09-18 1997-03-20 Winkhaus Fa August Sicherheitssperreinrichtung für eine Betätigungsvorrichtung zum Öffnen und Schließen eines Flügels eines Fensters, einer Tür, einer Lüftungsklappe oder dergleichen
EP2141316A1 (fr) * 2008-06-30 2010-01-06 Nekos Srl Amélioration sur des actionneurs

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0218316A2 (fr) 1985-10-04 1987-04-15 Harold James Beard Dispositif d'évacuation de matières flottantes
DE19534614A1 (de) * 1995-09-18 1997-03-20 Winkhaus Fa August Sicherheitssperreinrichtung für eine Betätigungsvorrichtung zum Öffnen und Schließen eines Flügels eines Fensters, einer Tür, einer Lüftungsklappe oder dergleichen
EP2141316A1 (fr) * 2008-06-30 2010-01-06 Nekos Srl Amélioration sur des actionneurs

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