EP2097603A1 - Electromechanical actuator for maneuvering an opening and closing assembly including such actuator - Google Patents

Electromechanical actuator for maneuvering an opening and closing assembly including such actuator

Info

Publication number
EP2097603A1
EP2097603A1 EP07870363A EP07870363A EP2097603A1 EP 2097603 A1 EP2097603 A1 EP 2097603A1 EP 07870363 A EP07870363 A EP 07870363A EP 07870363 A EP07870363 A EP 07870363A EP 2097603 A1 EP2097603 A1 EP 2097603A1
Authority
EP
European Patent Office
Prior art keywords
chain
actuator
support
pinion
housing
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
EP07870363A
Other languages
German (de)
French (fr)
Other versions
EP2097603B1 (en
Inventor
Marco Mingardi
Eric Lagarde
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.)
Somfy SA
Original Assignee
Somfy 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
Application filed by Somfy SA filed Critical Somfy SA
Publication of EP2097603A1 publication Critical patent/EP2097603A1/en
Application granted granted Critical
Publication of EP2097603B1 publication Critical patent/EP2097603B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • E05F11/00—Man-operated mechanisms for operating wings, including those which also operate the fastening
    • E05F11/02—Man-operated mechanisms for operating wings, including those which also operate the fastening for wings in general, e.g. fanlights
    • E05F11/04—Man-operated mechanisms for operating wings, including those which also operate the fastening for wings in general, e.g. fanlights with cords, chains or cables
    • E05F11/06—Man-operated mechanisms for operating wings, including those which also operate the fastening for wings in general, e.g. fanlights with cords, chains or cables in guide-channels
    • 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
    • E05F15/616—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms
    • E05F15/619—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms using flexible or rigid rack-and-pinion arrangements
    • 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 invention relates to the field of actuators for the automatic operation of the doors of the house or a building in general, type doors or windows. It also falls within the field of closure systems which include, among others, such actuators.
  • Some of these actuators include an electric geared motor, capable of transmitting a movement to an arm, which pushes or pulls on the opening, depending on the direction of rotation of the geared motor.
  • the arm may consist of a chain driven by a pinion, itself connected to the output shaft of the gearmotor, possibly through an angle gear.
  • This chain consists of links that can nest into each other so as to stiffen the chain, so that it can be folded in one direction.
  • the rigid chain makes it possible to transfer a mechanical force to pull or push the opening.
  • the chain is generally folded into a housing, around a fixed guide support in the housing. It slides with respect to this guide when it is set in motion.
  • DE-U-91 05 454 For the operation of large or heavy opening, it is known from DE-U-91 05 454 to use a device combining two sets each comprising a drive member and a maneuvering chain.
  • the two drive members are electronically coupled to operate precisely at the same time.
  • the differences in chain lengths or the play in the drive train create difficulties in setting and installing such a device.
  • EP-A-0 777 028 describes a mechanism whose structure improves compactness and aesthetics. This mechanism is also adapted to automatically activate heavy opening or to counteract the effect of wind on windows with a wide wind, as well as to actuate side-by-side openings.
  • An electric drive device, chains, idler gears and chain guides are included in a substantially closed housing provided with openings in a common face for the output of the chains.
  • the guides are formed by grooves cut into the mass of the housing and in which the chains slide along their entire length. This is expensive and induces large fluctuations during the movements of the chains.
  • the present invention aims to meet the various problems mentioned above, in a simple and economical way, while providing a modular structure, practical and allowing a lot of flexibility for mounting and adaptation to openings of different sizes or weight.
  • the invention relates to an electromechanical actuator for operating an opening, this actuator comprising a motor, a pinion driven in rotation by the motor and a chain driven by the pinion and comprising a first end intended to be connected to the opening to operate.
  • This actuator is characterized in that it also comprises a support for a part of the chain, this support being mounted free in translation along an axis perpendicular to the axis of rotation of the pinion, and provided with interaction means with the chain, these means being such that the translation movement of the support along the aforementioned axis results from the drive of the chain by the pinion.
  • the position of the support along the axis in which it slides is automatically adapted, so that the support is always positioned optimally to guide the portion of the chain between its second end and the pinion. drive, part of chain whose length varies according to the opening and closing movements of the opening.
  • such an actuator can incorporate one or more of the following characteristics:
  • the interaction means comprise a guide in which the chain can slide, this guide comprising two guide elements on which the chain selectively exerts a force when it is driven by the pinion;
  • the support is guided in translation by cooperation of shapes with a housing of the actuator; -
  • the support is slidably mounted along a rod whose longitudinal axis is fixed relative to the housing;
  • the rod is kinematically linked to an output shaft of the motor, so that a rotation of this axis causes a rotation of the rod, while the support is mounted so as to slide freely along the rod;
  • the rod causes the rotation of a second pinion synchronously with the first pinion and a second chain is driven by the second pinion and supported by a second support also mounted on the rod;
  • the second end of the chain is fixedly mounted relative to a housing of the actuator.
  • the second end of the chain is free.
  • the second end of the chain or the support advantageously comprise a locking element for retaining the chain with respect to the support in a direction of movement of the chain corresponding to the opening of the opening.
  • the invention also relates to a closure installation comprising a movable door between an open position and a closed position, this installation further comprising at least one actuator as mentioned above.
  • FIG. 1 is a longitudinal sectional view of an actuator according to a first embodiment of the invention
  • FIG. 2 is a view similar to FIG. 1 for an actuator according to a second embodiment of the invention
  • FIG. 3A is a front view of a support used in the actuator of FIG. 2;
  • FIG. 3B is a side view of the support in the direction of arrow B in FIG. 3A,
  • FIG. 3C is a section along line CC in FIG. 3A;
  • FIG. 4 is a section similar to FIG. 1, although at a smaller scale, an actuator according to a third embodiment of FIG. 'invention,
  • FIG. 5 is a schematic representation of an actuator according to a fourth embodiment of the invention
  • FIG. 6 is a schematic representation of an actuator according to a fifth embodiment of the invention
  • FIG. 7 is a schematic representation of an actuator according to a sixth embodiment of the invention.
  • FIG. 8 is a schematic representation of an actuator according to a seventh embodiment of the invention.
  • FIG. 9 is a schematic representation of an actuator according to an eighth embodiment of the invention.
  • FIG. 10 is a view similar to Figure 9 for an actuator according to a ninth embodiment of the invention.
  • FIG. 1 schematizes in section an actuator 1 called "simple chain" for the electromechanical maneuvering of an opening such as a window F.
  • a housing 10 is provided with a first opening 11 for the passage of a shaft 81 of an electric motor 8 housed in a second housing 7 attached to the housing 10.
  • the housing 10 is elongated and X 10 is a longitudinal axis.
  • X 8 is the longitudinal axis of the shaft 81 about which this shaft rotates when the motor 8 operates.
  • the X 8 and X 0 axes are parallel.
  • the shaft 81 allows to rotate a pinion 3 about its axis X 3, perpendicular to the drawing plane and the axes X 8 and X 0.
  • a gearbox with angle gear housed in a housing 32, provides the kinematic connection between the shaft 81 and the pinion 3.
  • a rod 2 is connected to the housing 32. It can be mounted fixed or rotating relative to the housing.
  • the rod 2 has its longitudinal axis X 2 coincides with the axis X 8 .
  • the X axis 2 can also be shifted laterally with respect to the X axis 8 , while remaining parallel thereto.
  • the pinion 3 is provided with teeth, not shown, which enable it to mesh links 40 of a drive chain 4.
  • This chain 4 is disposed in the housing 1 and at least partially leaves this housing 10 by a second opening 12 of it.
  • the first end 41 of the chain disposed outside the housing 10 is provided with a limit switch element 43 which allows, on the one hand, to secure the chain to the window F and, on the other hand, to prevent the chain 4 from fully entering the housing 10 because the element 43 can not pass through the opening 12.
  • the second end of the chain is immobilized on the housing 32 of the pinion 3 via a pin 49, fixed to the housing and on which is engaged the last link 40 of the chain 4.
  • a support 5 comprising a guide 6 for the chain 4, and around which it folds into the housing.
  • the support 5 is slidably mounted on the rod 2. It thus forms a free slide in translation along the axis X 2 , that is to say parallel to the axes X 10 and X 8 - I , and serves to guide the chain at different levels along the housing 10.
  • the support or slider 5 is constituted such that it accompanies the movement of the chain in both directions of movement.
  • the support 5 comprises a guide 6 in the form of a central pin 61 and a semicircle guide 62 between which the chain 4 passes.
  • the chain 4 is curved around the central pin 61, about 180 °, and it forms a bearing around which slides the chain.
  • the rod 2 is mounted on the housing 32 by being rotatable about its longitudinal axis X 2 and being in engagement with the gears arranged inside this housing. It is thus possible to connect the electric motor 8 disposed inside the housing 7 at the end
  • a sleeve 82 is disposed around the end 21 and the adjacent end of the shaft 81 to rotate this shaft and the rod 2.
  • a support 5 is slidably mounted along the rod 2, that is to say parallel to the axis X 2 , to the axis X 8 of rotation of the shaft 81 and at a longitudinal axis Xi 0 of the housing 10.
  • the support 5 is more particularly visible in FIGS. 3A to 3C. It is obtained by machining a block of plastic material. It has, in an upper part, two guide elements, namely a central pin 61 and a semicircle guide 62 together forming the guide 6. In a lower part, the support 5 is provided with a hole 64 allowing its mounting with possibility of free sliding on the rod 2 which, in this embodiment, is a driving rod of the pinion 3. This hole 64 is not necessarily centered with respect to the support 5.
  • the support of the first embodiment has generally the same shape as that of the second embodiment, the hole 64 being arranged differently.
  • the degree of freedom of the support 5 in translation along the axis X 2 allows the following effects:
  • the pinion 3 rotates and drives the chain 4.
  • the support 5 being movable parallel to the axis XJ O of the housing 10, it is driven by the chain and slides in the direction allowing the movement of the chain around the pinion.
  • the movement of the support 5 is therefore linked to that of the chain 4.
  • the support is pulled or pushed along the casing by the chain itself when it is manceuvrée.
  • the chain is therefore articulated in five parts, as shown in Figures 1 and 2: - a first portion 44 between the second end 42, and the support 5; a second portion 45 partially wound in the guide 6; a third portion 46 located between the support 5 and the drive pinion 3 in the same plane; a fourth portion 47 partially wrapping around the drive pinion 3; a fifth portion 48 between the pinion 3 and the first end 43 of the chain, outside the housing.
  • the different parts of the chain 4 are arranged in the same plane parallel to that of FIGS. 1 and 2.
  • the chain In its retracted position, the chain is disposed for the most part along an axis parallel to the axis X 2 , the first 44 and third 46 parts being parallel.
  • the chain winds around a quarter turn around the pinion 3, so as to emerge from the housing perpendicular to the axis X 2 .
  • the second end 42 of the chain 4 may itself be fixed on the support 5.
  • the chain is articulated only in three parts similar to the parts 46, 47 and 48 mentioned above and the modification of length is obtained by the sliding of the support inside the housing 10, parallel to the axes X 2 , Xs and X 10 .
  • FIG. 4 An actuator called “double-chain” is shown in Figure 4 and consists of a housing 10 'equivalent to the housing 10 but longer and provided with a first opening 11' for the passage of the motor shaft 81
  • This drive shaft is kinematically connected, by means of suitable gears, on the one hand, with a drive rod 2 'and, on the other hand, with a pinion 3', so that the rotation of the motor shaft about its axis X 8 causes the rotation of the drive rod 2 'about its longitudinal axis X 2 1 and the rotation of the pinion 3' about its axis X 3 >.
  • the axis X $ of the pinion is perpendicular to the axis X 2 ' of the rod 2'.
  • the pinion 3 ' is mounted on a housing 32' fixed relative to the housing 1.
  • a set of gears, not shown and housed in the housing 32 ', is provided for driving in rotation the pinion 3' and the rod 2 '.
  • the actuator is similar to the actuator described in Figure 1.
  • the drive rod 2 ' is however longer than for a single chain actuator and its opposite end to the shaft 81 is connected kinematically, via appropriate gearing, with a second pinion 3 "mounted on a second housing 32 ", this part being similar to the actuator described with reference to FIG.
  • the driving rod 2 ' can be rotated through the pinion 3'.
  • the second pinion 3 "being rotated by means of the rod 2 ' it is possible, by choosing the appropriate gears, that its rotation is synchronized with that of the first pinion 3'. With the possible reversal of the directions of rotation of the gears, this synchronization being mechanical, it does not induce the disadvantages mentioned above with regard to an electronic synchronization.
  • the housing 10 ' has two openings 12' and 12 "for the output of two chains 4 'and 4" driven respectively by the pinions 3' and 3 ".
  • the supports 5 'and 5 "deviate from each other when the chains 4' and 4" are driven out of the housing 10 ', which corresponds to the opening of the opening in the form of window F, and come closer to each other when the chains are driven into the housing 10 ', which corresponds to the closing of the opening.
  • the supports 5 'and 5 "follow one another in a first direction, when the chains 4' and 4" are driven out of the housing 10 ', which corresponds to the opening of the opening, and in a second direction, when the chains are driven into the housing 10 ', which corresponds to the closing of the opening.
  • the housing 32 'supporting the first pinion 3' is at one end of the housing 10 ', while the second housing 32 "supporting the second pinion 3" is located in a central portion of the housing 10'.
  • the chains are arranged with respect to the pinions and the supports, as described above in relation to the single-chain actuators represented in FIGS. 1 or 2.
  • the Actuator can include more than two gears, which can control three or more channels.
  • a different rod can be used to transmit the movement from the pinion 3".
  • FIGS 5 to 7 show different uses of single or double-chain actuators described above.
  • Double-chain actuator can be made from two single-chain actuators 1 'and 1 ", one of which is devoid of motor and whose rods 2' and 2" are connected by a mechanical connecting element. such a sleeve 82.
  • Such an actuator 1 is shown schematically in Figure 5.
  • Each actuator V or 1 “comprises a pinion 3 'or 3" for controlling the movement of a chain 4' or 4 "which is engaged in a support 5 'or 5 "movable along the rod 2' or 2" of the actuator in question.
  • the structure obtained is close to that of FIG 4, the main difference being that it is not necessary to provide a double length case, such as that 10 'of the third embodiment.
  • a motor housing 7 ' can be developed so that it has two inverted axis outputs 81a and 81b on either side of the housing.
  • two single-chain actuators 1a and 1b can be coupled, on either side of this motor housing, to the two outputs 81a and 81b, to form a motorized double-chain actuator.
  • a single-chain actuator 1b and a double-chain actuator V can be coupled on both sides of a motor housing T with two outputs 81a and 81b, to form a motorized triple-chain actuator, as shown in FIG. .
  • FIGS. 5 to 7 show outgoing shafts from one or both sides of the housing.
  • a protruding motor housing can be provided.
  • Two scenarios are then possible.
  • the housing 10 or 10 'containing the chains 4, 4', 4 "has an outgoing axis, which can be coupled at the motor housing, as shown in Figure 1.
  • FIG. 8 Another embodiment is shown in FIG. 8.
  • the motorized actuator V is then made in a single housing 10 ', the motor 8 being integrated in this housing also containing the chains 4' and 4 ", the pinions 3 'and 3 ", the supports 5 and 5 'and the rod 2'.
  • the second end 42 of the chains 4, 4 'or 4 is provided fixed with respect to the housing 10 and equivalent or housing 32 and equivalent or directly connected to the support 5.
  • this end 42 The carrier 5, however, always drives the chain over a portion of its path.
  • the second end 42 of the chain can also slide in the support 5, to a stop 66 provided in the support 5 at the outlet of the guide 6.
  • a locking member 65 then retains the end 42 of the chain 4 in the support 5 at this stop 66, when the chain is manceuvrée out of the housing.
  • the locking element 65 is, for example, in the form of a pin, slidable in a groove 67 provided in the support 5, this groove being closed at its end to form the stop 66.
  • Other embodiments of the locking element 65, the support 5 and / or the stop 66 are of course conceivable.
  • the travel of the support during a maneuver can be representative of an extended chain length. It is therefore advantageous to provide an adjustable stop 52 which limits the travel of the support 5 in the direction of deployment of the chain. As shown only in Figure 10, this adjustable stop can be positioned along a strip 53 on an inner face of the housing 10 of the actuator and block the progression of the support at a given point.
  • this adjustable stop can be positioned along a strip 53 on an inner face of the housing 10 of the actuator and block the progression of the support at a given point.
  • the second end 42 of the chain 4 is free with respect to the support and the housing, it is possible that (a chain continues to slide in the support 5 once it is blocked by the adjustable stop 52.
  • the end 42 of the chain 4 itself is locked with respect to the support 5, the length of chain deployed is maximum, thus the degree of opening of the opening is a function of the position of the adjustable stop 52.
  • the stopping of the motor is determined for example by monitoring the torque or the torque variations, different other combinations are of course conceivable, the motorized actuator thus produced being
  • the supports 5 and the like of the embodiments of FIGS. 1 to 8 can be guided in the housings 10 and equivalents by cooperation of shapes, as represented in FIGS. 9 and 10.
  • the rods 2 and the like can be deleted, except when they have a drive function, in which case the clearance between the support and the rod can be increased.

Landscapes

  • Power-Operated Mechanisms For Wings (AREA)
  • Transmission Devices (AREA)
  • Automotive Seat Belt Assembly (AREA)
  • Lock And Its Accessories (AREA)

Abstract

The actuator (1) of the invention includes a motor (8), a sprocket (8) rotated by the motor, and a chain (4) driven by the sprocket (3) and having a first end (41) to be connected to opening (F) to be actuated. The actuator (1) also includes a bearing (5) for a portion (45) of the chain (4), said bearing being mounted so as to be capable of free translation along an axis (X2) perpendicular to rotation axis (X3) of the sprocket (3) and being provided with means (6) for interaction with the chain so that the translation movement of the bearing along the axis (X2) is due to the chain (4) being driven by the sprocket (3).

Description

ACTIONNEUR ELECTROMECANIQUE POUR LA MANŒUVRE D'UN OUVRANT ET INSTALLATION DE FERMETURE COMPRENANT UN TEL ELECTROMECHANICAL ACTUATOR FOR MANEUVERING AN OPENER AND CLOSURE PLANT COMPRISING SUCH
ACTIONNEURACTUATOR
L'invention relève du domaine des actionneurs pour la manoeuvre automatique des ouvrants de la maison ou d'un bâtiment en général, de type portes ou fenêtres. Elle relève également du domaine des installations de fermeture qui comprennent, entre autres, de tels actionneurs.The invention relates to the field of actuators for the automatic operation of the doors of the house or a building in general, type doors or windows. It also falls within the field of closure systems which include, among others, such actuators.
Certains de ces actionneurs comprennent un motoréducteur électrique, capable de transmettre un mouvement à un bras, qui pousse ou tire sur l'ouvrant, en fonction du sens de rotation du motoréducteur.Some of these actuators include an electric geared motor, capable of transmitting a movement to an arm, which pushes or pulls on the opening, depending on the direction of rotation of the geared motor.
Dans un tel actionneur le bras peut être constitué d'une chaîne entraînée par un pignon, lui-même relié à l'arbre de sortie du motoréducteur par l'intermédiaire éventuel d'un renvoi d'angle. Cette chaîne est constituée de maillons qui peuvent s'imbriquer les uns dans les autres de manière à rigidifier la chaîne, de telle sorte qu'elle ne puisse être pliée que dans un sens. Ainsi, la chaîne rigide permet de transférer une force mécanique pour tirer ou pousser l'ouvrant. La chaîne est généralement repliée dans un boîtier, autour d'un support de guidage fixe dans le boîtier. Elle coulisse vis à vis de ce guide lorsqu'elle est mise en mouvement.In such an actuator the arm may consist of a chain driven by a pinion, itself connected to the output shaft of the gearmotor, possibly through an angle gear. This chain consists of links that can nest into each other so as to stiffen the chain, so that it can be folded in one direction. Thus, the rigid chain makes it possible to transfer a mechanical force to pull or push the opening. The chain is generally folded into a housing, around a fixed guide support in the housing. It slides with respect to this guide when it is set in motion.
Pour la manœuvre d'ouvrants larges ou lourds, il est connu de DE-U-91 05 454 d'utiliser un dispositif combinant deux ensembles comprenant chacun un organe de motorisation et une chaîne de manœuvre. Les deux organes de motorisation sont couplés électroniquement, de manière à fonctionner précisément en même temps. Les différences de longueurs de chaînes ou les jeux dans la chaîne cinématique créent des difficultés de réglage et d'installation d'un tel dispositif.For the operation of large or heavy opening, it is known from DE-U-91 05 454 to use a device combining two sets each comprising a drive member and a maneuvering chain. The two drive members are electronically coupled to operate precisely at the same time. The differences in chain lengths or the play in the drive train create difficulties in setting and installing such a device.
Selon une autre approche, on peut utiliser un mécanisme de synchronisation mécanique tel que décrit dans US-A-1 ,333,595. Ce mécanisme est destiné au pilotage de plusieurs ouvrants simultanément ou d'un ouvrant lourd ou d'une taille inhabituellement large. Un double mécanisme à chaînes et pignons est alors utilisé, les chaînes étant reliées d'une part à l'ouvrant et d'autre part à un organe d'entraînement commun qui se déplace longitudinalement par rapport à l'ouvrant. Lors du déplacement de l'organe d'entraînement dans un premier sens d'ouverture, les chaînes sont entraînées et pliées le long de supports de guidage, de l'organe d'entraînement vers l'ouvrant, et poussent sur celui-ci pour l'ouvrir. Inversement, lors du déplacement de l'organe d'entraînement dans un deuxième sens opposé de fermeture, les chaînes sont entraînées et pliées le long des supports de guidage vers l'organe d'entraînement et tirent sur l'ouvrant pour le fermer. La structure mécanique des chaînes permet le pliage des chaînes le long des supports de guidage.According to another approach, it is possible to use a mechanical synchronization mechanism as described in US-A-1, 333,595. This mechanism is intended for controlling several openings simultaneously or a heavy sash or an unusually large size. A double chain and pinion mechanism is then used, the chains being connected on the one hand to the opening and on the other hand to a common drive member which moves longitudinally through report to the opening. When moving the drive member in a first opening direction, the chains are driven and folded along guide supports, from the drive member to the opening, and push on it to open. Conversely, during the displacement of the drive member in a second opposite direction of closure, the chains are driven and bent along the guide supports to the drive member and pull on the opening to close it. The mechanical structure of the chains allows the folding of the chains along the guide supports.
Par ailleurs, EP-A-O 777 028 décrit un mécanisme dont la structure améliore la compacité et l'esthétique. Ce mécanisme est également adapté pour actionner automatiquement des ouvrants lourds ou pour contrer l'effet du vent sur des fenêtres offrant une large prise au vent, ainsi que pour actionner des ouvrants situés côte à côte. Un dispositif d'entraînement électrique, des chaînes, des pignons de renvoi et des guides pour les chaînes sont compris dans un boîtier sensiblement fermé, pourvu d'ouvertures dans une face commune pour la sortie des chaînes. Les guides sont formés par des rainures taillées dans la masse du boîtier et dans lesquelles glissent les chaînes sur toute leur longueur. Ceci est onéreux et induit des flottements importants lors des mouvements des chaînes. La présente invention a pour but de répondre aux divers problèmes évoqués ci dessus, d'une manière simple et économique, tout en offrant une structure modulaire, pratique et permettant beaucoup de flexibilité pour le montage et l'adaptation à des ouvrants de différentes tailles ou poids.Furthermore, EP-A-0 777 028 describes a mechanism whose structure improves compactness and aesthetics. This mechanism is also adapted to automatically activate heavy opening or to counteract the effect of wind on windows with a wide wind, as well as to actuate side-by-side openings. An electric drive device, chains, idler gears and chain guides are included in a substantially closed housing provided with openings in a common face for the output of the chains. The guides are formed by grooves cut into the mass of the housing and in which the chains slide along their entire length. This is expensive and induces large fluctuations during the movements of the chains. The present invention aims to meet the various problems mentioned above, in a simple and economical way, while providing a modular structure, practical and allowing a lot of flexibility for mounting and adaptation to openings of different sizes or weight.
A cet effet, l'invention concerne un actionneur électromécanique pour la manœuvre d'un ouvrant, cet actionneur comprenant un moteur, un pignon entraîné en rotation par le moteur ainsi qu'une chaîne entraînée par le pignon et comprenant une première extrémité destinée à être reliée à l'ouvrant à actionner. Cet actionneur est caractérisé en ce qu'il comprend également un support pour une partie de la chaîne, ce support étant monté libre en translation le long d'un axe perpendiculaire à l'axe de rotation du pignon, et muni de moyens d'interaction avec la chaîne, ces moyens étant tels que le mouvement de translation du support le long de l'axe précité résulte de l'entraînement de la chaîne par le pignon. Grâce à l'invention, la position du support le long de l'axe selon lequel il coulisse est automatiquement adaptée, de sorte que le support est toujours positionné de façon optimale pour guider la partie de la chaîne comprise entre sa deuxième extrémité et le pignon d'entraînement, partie de chaîne dont la longueur varie en fonction des mouvements d'ouverture et de fermeture de l'ouvrant.To this end, the invention relates to an electromechanical actuator for operating an opening, this actuator comprising a motor, a pinion driven in rotation by the motor and a chain driven by the pinion and comprising a first end intended to be connected to the opening to operate. This actuator is characterized in that it also comprises a support for a part of the chain, this support being mounted free in translation along an axis perpendicular to the axis of rotation of the pinion, and provided with interaction means with the chain, these means being such that the translation movement of the support along the aforementioned axis results from the drive of the chain by the pinion. Thanks to the invention, the position of the support along the axis in which it slides is automatically adapted, so that the support is always positioned optimally to guide the portion of the chain between its second end and the pinion. drive, part of chain whose length varies according to the opening and closing movements of the opening.
Selon des aspects avantageux mais non obligatoires de l'invention, un tel actionneur peut incorporer une ou plusieurs des caractéristiques suivantes :According to advantageous but not compulsory aspects of the invention, such an actuator can incorporate one or more of the following characteristics:
- les moyens d'interaction comprennent un guide dans lequel peut coulisser la chaîne, ce guide comportant deux éléments de guidage sur lesquels la chaîne vient sélectivement exercer un effort lorsqu'elle est entraînée par le pignon ;the interaction means comprise a guide in which the chain can slide, this guide comprising two guide elements on which the chain selectively exerts a force when it is driven by the pinion;
- le support est guidé en translation par coopération de formes avec un boîtier de l'actionneur ; - le support est monté coulissant le long d'une tige dont l'axe longitudinal est fixe par rapport au boîtier ;the support is guided in translation by cooperation of shapes with a housing of the actuator; - The support is slidably mounted along a rod whose longitudinal axis is fixed relative to the housing;
- la tige est cinématiquement liée à un arbre de sortie du moteur, de sorte qu'une rotation de cet axe entraîne une rotation de la tige, alors que le support est monté de manière à coulisser librement le long de la tige ; - la tige entraîne la rotation d'un second pignon de manière synchronisée avec le premier pignon et une deuxième chaîne est entraînée par le second pignon et supportée par un second support également monté sur la tige ;- The rod is kinematically linked to an output shaft of the motor, so that a rotation of this axis causes a rotation of the rod, while the support is mounted so as to slide freely along the rod; - The rod causes the rotation of a second pinion synchronously with the first pinion and a second chain is driven by the second pinion and supported by a second support also mounted on the rod;
- la deuxième extrémité de la chaîne est montée fixe par rapport à un boîtier de l'actionneur. En variante, la deuxième extrémité de la chaîne est libre. Dans ce cas, la deuxième extrémité de la chaîne ou le support comprennent avantageusement un élément de blocage permettant de retenir la chaîne vis à vis du support dans une direction de mouvement de la chaîne correspondant à l'ouverture de l'ouvrant. L'invention concerne également une installation de fermeture comprenant un ouvrant mobile entre une position ouverte et une position fermée, cette installation comprenant, en outre, au moins un actionneur tel que mentionné ci-dessus. L'invention sera mieux comprise et d'autres avantages de celle-ci apparaîtront plus clairement à la lumière de la description qui va suivre de neuf modes de réalisation d'un actionneur conforme à son principe, donnée uniquement à titre d'exemple et faite en référence aux dessins annexés dans lesquels :- The second end of the chain is fixedly mounted relative to a housing of the actuator. Alternatively, the second end of the chain is free. In this case, the second end of the chain or the support advantageously comprise a locking element for retaining the chain with respect to the support in a direction of movement of the chain corresponding to the opening of the opening. The invention also relates to a closure installation comprising a movable door between an open position and a closed position, this installation further comprising at least one actuator as mentioned above. The invention will be better understood and other advantages thereof will appear more clearly in the light of the following description of nine embodiments of an actuator according to its principle, given solely by way of example and made with reference to the accompanying drawings in which:
- la figure 1 est une coupe longitudinale de principe d'un actionneur conforme à un premier mode de réalisation de l'invention,FIG. 1 is a longitudinal sectional view of an actuator according to a first embodiment of the invention,
- la figure 2 est une vue analogue à la figure 1 pour un actionneur conforme à un second mode de réalisation de l'invention, - la figure 3A est une vue de face d'un support utilisé dans l'actionneur de la figure 2,FIG. 2 is a view similar to FIG. 1 for an actuator according to a second embodiment of the invention; FIG. 3A is a front view of a support used in the actuator of FIG. 2;
- la figure 3B est une vue de côté du support dans le sens de la flèche B à la figure 3A,FIG. 3B is a side view of the support in the direction of arrow B in FIG. 3A,
- la figure 3C est une coupe selon la ligne C-C à la figure 3A, - la figure 4 est une coupe analogue à la figure 1 , quoi qu'à échelle plus petite, d'un actionneur conforme à un troisième mode de réalisation de l'invention,FIG. 3C is a section along line CC in FIG. 3A; FIG. 4 is a section similar to FIG. 1, although at a smaller scale, an actuator according to a third embodiment of FIG. 'invention,
- la figure 5 est une représentation schématique de principe d'un actionneur conforme à un quatrième mode de réalisation de l'invention, - la figure 6 est une représentation schématique de principe d'un actionneur conforme à un cinquième mode de réalisation de l'invention,FIG. 5 is a schematic representation of an actuator according to a fourth embodiment of the invention; FIG. 6 is a schematic representation of an actuator according to a fifth embodiment of the invention; invention,
- la figure 7 est une représentation schématique de principe d'un actionneur conforme à un sixième mode de réalisation de l'invention,FIG. 7 is a schematic representation of an actuator according to a sixth embodiment of the invention,
- la figure 8 est une représentation schématique de principe d'un actionneur conforme à un septième mode de réalisation de l'invention,FIG. 8 is a schematic representation of an actuator according to a seventh embodiment of the invention,
- la figure 9 est une représentation schématique de principe d'un actionneur conforme à un huitième mode de réalisation de l'invention, etFIG. 9 is a schematic representation of an actuator according to an eighth embodiment of the invention, and
- la figure 10 est une vue analogue à la figure 9 pour un actionneur conforme à un neuvième mode de réalisation de l'invention. La figure 1 schématise en coupe un actionneur 1 dit « simple chaîne » pour la manœuvre électro-mécanique d'un ouvrant tel qu'une fenêtre F. Un boîtier 10 est pourvu d'une première ouverture 1 1 pour le passage d'un arbre de sortie 81 d'un moteur électrique 8 logé dans un second boîtier 7 rapporté sur le boîtier 10. Le boîtier 10 est de forme allongée et l'on note X10 son axe longitudinal. On note X8 l'axe longitudinal de l'arbre 81 autour duquel tourne cet arbre lorsque le moteur 8 fonctionne. Les axes X8 et Xi0 sont parallèles.- Figure 10 is a view similar to Figure 9 for an actuator according to a ninth embodiment of the invention. FIG. 1 schematizes in section an actuator 1 called "simple chain" for the electromechanical maneuvering of an opening such as a window F. A housing 10 is provided with a first opening 11 for the passage of a shaft 81 of an electric motor 8 housed in a second housing 7 attached to the housing 10. The housing 10 is elongated and X 10 is a longitudinal axis. X 8 is the longitudinal axis of the shaft 81 about which this shaft rotates when the motor 8 operates. The X 8 and X 0 axes are parallel.
L'arbre 81 permet d'entraîner en rotation un pignon 3 autour de son axe X3, perpendiculaire au plan du dessin et aux axes X8 et Xi0. Un réducteur avec renvoi d'angle, logé dans un carter 32, assure la liaison cinématique entre l'arbre 81 et le pignon 3.The shaft 81 allows to rotate a pinion 3 about its axis X 3, perpendicular to the drawing plane and the axes X 8 and X 0. A gearbox with angle gear, housed in a housing 32, provides the kinematic connection between the shaft 81 and the pinion 3.
Une tige 2 est reliée au carter 32. Elle peut être montée fixe ou tournante par rapport au carter. La tige 2 a son axe longitudinal X2 confondu avec l'axe X8. L'axe X2 peut également être décalé latéralement par rapport à l'axe X8, tout en restant parallèle à celui-ci.A rod 2 is connected to the housing 32. It can be mounted fixed or rotating relative to the housing. The rod 2 has its longitudinal axis X 2 coincides with the axis X 8 . The X axis 2 can also be shifted laterally with respect to the X axis 8 , while remaining parallel thereto.
Le pignon 3 est muni de dents, non représentées, qui lui permettent d'engrener des maillons 40 d'une chaîne d'entraînement 4. Cette chaîne 4 est disposée dans le boîtier 1 et sort au moins partiellement de ce boîtier 10 par une deuxième ouverture 12 de celui-ci. La première extrémité 41 de la chaîne disposée à l'extérieur du boîtier 10 est munie d'un élément de fin de course 43 qui permet, d'une part, de solidariser la chaîne à la fenêtre F et, d'autre part, d'empêcher la chaîne 4 de rentrer totalement dans le boîtier 10 car l'élément 43 ne peut pas passer à travers l'ouverture 12. La deuxième extrémité de la chaîne est immobilisée sur le carter 32 du pignon 3 par l'intermédiaire d'un pion 49, fixé au carter et sur lequel est engagé le dernier maillon 40 de la chaîne 4.The pinion 3 is provided with teeth, not shown, which enable it to mesh links 40 of a drive chain 4. This chain 4 is disposed in the housing 1 and at least partially leaves this housing 10 by a second opening 12 of it. The first end 41 of the chain disposed outside the housing 10 is provided with a limit switch element 43 which allows, on the one hand, to secure the chain to the window F and, on the other hand, to prevent the chain 4 from fully entering the housing 10 because the element 43 can not pass through the opening 12. The second end of the chain is immobilized on the housing 32 of the pinion 3 via a pin 49, fixed to the housing and on which is engaged the last link 40 of the chain 4.
Dans le boîtier 10 de l'actionneur est prévu un support 5 comprenant un guide 6 pour la chaîne 4, et autour duquel elle se replie dans le boîtier. Cette construction permet d'augmenter la longueur de chaîne disponible sans augmenter la taille de l'actionneur complet du fait du repli de la chaîne sur elle- même. Le support 5 est monté coulissant sur la tige 2. Il forme donc un coulisseau libre en translation le long de l'axe X2, c'est-à-dire parallèlement aux axes X10 et X8-I, et permet de guider la chaîne à différents niveaux le long du boîtier 10. Le support ou coulisseau 5 est constitué de telle manière qu'il accompagne le mouvement de la chaîne dans les deux sens de mouvement.In the housing 10 of the actuator is provided a support 5 comprising a guide 6 for the chain 4, and around which it folds into the housing. This construction makes it possible to increase the available length of chain without increasing the size of the complete actuator because of the folding of the chain on itself. The support 5 is slidably mounted on the rod 2. It thus forms a free slide in translation along the axis X 2 , that is to say parallel to the axes X 10 and X 8 - I , and serves to guide the chain at different levels along the housing 10. The support or slider 5 is constituted such that it accompanies the movement of the chain in both directions of movement.
Le support 5 comprend un guide 6 sous la forme d'un pion central 61 et d'un guide en demi-cercle 62 entre lesquels passe la chaîne 4. La chaîne 4 est courbée autour du pion central 61 , sur environ 180°, et celui-ci forme un palier autour duquel glisse la chaîne.The support 5 comprises a guide 6 in the form of a central pin 61 and a semicircle guide 62 between which the chain 4 passes. The chain 4 is curved around the central pin 61, about 180 °, and it forms a bearing around which slides the chain.
Dans le second mode de réalisation de l'invention représenté aux figuresIn the second embodiment of the invention shown in FIGS.
2 et 3, les éléments analogues à ceux du premier mode de réalisation portent les mêmes références. Dans ce mode de réalisation, la tige 2 est montée sur le carter 32 en pouvant tourner autour de son axe longitudinal X2 et en étant en prise avec les engrenages disposés à l'intérieur de ce carter. Il est ainsi possible de connecter le moteur électrique 8 disposé à l'intérieur du boîtier 7 à l'extrémité2 and 3, elements similar to those of the first embodiment have the same references. In this embodiment, the rod 2 is mounted on the housing 32 by being rotatable about its longitudinal axis X 2 and being in engagement with the gears arranged inside this housing. It is thus possible to connect the electric motor 8 disposed inside the housing 7 at the end
21 de la tige 2 opposée au carter 32, ceci afin de transmettre le mouvement de rotation de l'arbre 81 de sortie du moteur 8 au pignon 3.21 of the rod 2 opposite the housing 32, in order to transmit the rotational movement of the output shaft 81 of the motor 8 to the pinion 3.
Un manchon 82 est disposé autour de l'extrémité 21 et de l'extrémité adjacente de l'arbre 81 afin de solidariser en rotation cet arbre et la tige 2.A sleeve 82 is disposed around the end 21 and the adjacent end of the shaft 81 to rotate this shaft and the rod 2.
Comme dans le premier mode de réalisation, un support 5 est monté coulissant le long de la tige 2, c'est-à-dire parallèlement à l'axe X2, à l'axe X8 de rotation de l'arbre 81 et à un axe longitudinal Xi0 du boîtier 10.As in the first embodiment, a support 5 is slidably mounted along the rod 2, that is to say parallel to the axis X 2 , to the axis X 8 of rotation of the shaft 81 and at a longitudinal axis Xi 0 of the housing 10.
Le support 5 est plus particulièrement visible aux figures 3A à 3C. Il est obtenu par usinage d'un bloc de matière plastique. Il présente, dans une partie supérieure, deux éléments de guidage, à savoir un pion central 61 et un guide en demi-cercle 62 formant ensemble le guide 6. Dans une partie inférieure, le support 5 est pourvu d'un trou 64 permettant son montage avec possibilité de coulissement libre sur la tige 2 qui, dans ce mode de réalisation, est une tige d'entraînement du pignon 3. Ce trou 64 n'est pas nécessairement centré par rapport au support 5.The support 5 is more particularly visible in FIGS. 3A to 3C. It is obtained by machining a block of plastic material. It has, in an upper part, two guide elements, namely a central pin 61 and a semicircle guide 62 together forming the guide 6. In a lower part, the support 5 is provided with a hole 64 allowing its mounting with possibility of free sliding on the rod 2 which, in this embodiment, is a driving rod of the pinion 3. This hole 64 is not necessarily centered with respect to the support 5.
Le support du premier mode de réalisation a globalement la même forme que celui du deuxième mode de réalisation, le trou 64 étant disposé différemment.The support of the first embodiment has generally the same shape as that of the second embodiment, the hole 64 being arranged differently.
Dans les deux modes de réalisation représentés aux figures 1 , 2 et 3A à 3C, le degré de liberté du support 5 en translation le long de l'axe X2 permet les effets suivants : Lors d'une mise en route du moteur 8, le pignon 3 tourne et entraîne la chaîne 4. Le support 5 étant mobile parallèlement à l'axe X-JO du boîtier 10, il est entraîné par la chaîne et coulisse dans le sens permettant le mouvement de la chaîne autour du pignon. Le mouvement du support 5 est donc lié à celui de la chaîne 4. Le support est tiré ou poussé le long du boîtier par la chaîne elle- même lorsqu'elle est manceuvrée.In the two embodiments shown in FIGS. 1, 2 and 3A to 3C, the degree of freedom of the support 5 in translation along the axis X 2 allows the following effects: When starting the motor 8, the pinion 3 rotates and drives the chain 4. The support 5 being movable parallel to the axis XJ O of the housing 10, it is driven by the chain and slides in the direction allowing the movement of the chain around the pinion. The movement of the support 5 is therefore linked to that of the chain 4. The support is pulled or pushed along the casing by the chain itself when it is manceuvrée.
Une fois mise en place dans le boîtier 10 de l'actionneur, la chaîne s'articule donc en cinq parties, ainsi que représenté aux figures 1 et 2 : - une première partie 44 située entre la deuxième extrémité 42, et le support 5; une deuxième partie 45 s'enroulant partiellement dans le guide 6; une troisième partie 46 située entre le support 5 et le pignon d'entraînement 3 dans un même plan; une quatrième partie 47 s'enroulant partiellement autour du pignon d'entraînement 3; une cinquième partie 48 entre le pignon 3 et la première extrémité 43 de la chaîne, à l'extérieur du boîtier. Les différentes parties de la chaîne 4 sont disposées dans un même plan parallèle à celui des figures 1 et 2.Once in place in the housing 10 of the actuator, the chain is therefore articulated in five parts, as shown in Figures 1 and 2: - a first portion 44 between the second end 42, and the support 5; a second portion 45 partially wound in the guide 6; a third portion 46 located between the support 5 and the drive pinion 3 in the same plane; a fourth portion 47 partially wrapping around the drive pinion 3; a fifth portion 48 between the pinion 3 and the first end 43 of the chain, outside the housing. The different parts of the chain 4 are arranged in the same plane parallel to that of FIGS. 1 and 2.
Dans sa position rétractée, la chaîne est disposée pour sa majeure partie suivant un axe parallèle à l'axe X2, les première 44 et troisième 46 parties étant parallèles. La chaîne s'enroule sur un quart de tour autour du pignon 3, de manière à ressortir du boîtier perpendiculairement à l'axe X2.In its retracted position, the chain is disposed for the most part along an axis parallel to the axis X 2 , the first 44 and third 46 parts being parallel. The chain winds around a quarter turn around the pinion 3, so as to emerge from the housing perpendicular to the axis X 2 .
Lors d'une rotation du moteur 8 dans un premier sens, représenté par les flèches Fi aux figures 1 et 2 et visant à faire sortir la chaîne 4 du boîtier 1 , le pignon 3 est lui-même entraîné en rotation dans un premier sens, représenté par les flèches FV Les maillons de la chaîne engrènent sur le pignon 3 et sont déplacés vers l'extérieur du boîtier. Ainsi, la cinquième partie 48 de chaîne s'allonge, tandis que les première et troisième parties 44 et 46 raccourcissent.During a rotation of the motor 8 in a first direction, represented by the arrows Fi in FIGS. 1 and 2 and aimed at bringing the chain 4 out of the housing 1, the pinion 3 is itself rotated in a first direction, represented by the arrows FV The links of the chain meshing with the pinion 3 and are moved towards the outside of the case. Thus, the fifth portion 48 chain extends, while the first and third portions 44 and 46 shorten.
Cette modification de longueur de la chaîne entre l'extrémité 42 et le pignon 3 est possible grâce au mouvement de translation libre du support 5 parallèlement à l'axe X10 du boîtier 10 et grâce au coulissement de la chaîne dans le guide 6,autour du pion 61.This modification of the length of the chain between the end 42 and the pinion 3 is possible thanks to the free translation movement of the support 5 parallel to the axis X 10 of the housing 10 and thanks to the sliding of the chain in the guide 6, around of the pawn 61.
Lors d'une rotation moteur dans un deuxième sens F2 visant à rétracter la chaîne 4 dans le boîtier 1 , le pignon 3 est lui-même entraîné en rotation dans un deuxième sens F'2. Les maillons de la chaîne engrènent sur le pignon 3 et sont déplacés vers l'intérieur du boîtier. Ainsi, la cinquième partie 48 de chaîne se raccourcit tandis que les premières et troisièmes parties 44 et 48 s'allongent. Cette modification de longueur est à nouveau possible grâce au mouvement de translation libre du support 5 parallèlement à l'axe Xi0 du boîtier 10 et grâce au coulissement de la chaîne dans le guide 6, autour du pion 61.During a motor rotation in a second direction F 2 to retract the chain 4 in the housing 1, the pinion 3 is itself rotated in a second direction F ' 2 . The links of the chain mesh with the pinion 3 and are moved to the inside of the case. Thus, the fifth portion 48 chain is shortened while the first and third portions 44 and 48 elongate. This modification of length is again possible thanks to the free translation movement of the support 5 parallel to the axis Xi 0 of the housing 10 and thanks to the sliding of the chain in the guide 6, around the pin 61.
Selon une variante non représentée de l'invention, la deuxième extrémité 42 de la chaîne 4 peut être elle-même fixée sur le support 5. Dans ce cas, la chaîne s'articule uniquement en trois parties analogues aux parties 46, 47 et 48 mentionnées ci-dessus et la modification de longueur est obtenue par le coulissement du support à l'intérieur du boîtier 10, parallèlement aux axes X2, Xs et X10.According to a variant not shown of the invention, the second end 42 of the chain 4 may itself be fixed on the support 5. In this case, the chain is articulated only in three parts similar to the parts 46, 47 and 48 mentioned above and the modification of length is obtained by the sliding of the support inside the housing 10, parallel to the axes X 2 , Xs and X 10 .
Les modes de réalisation représentés aux figures 1 et 2 présentent l'avantage d'offrir plus de longueur de chaîne pour une longueur totale de boîtier équivalente à celle de la variante non représentée. Un actionneur l' dit "double-chaîne" est représenté à la figure 4 et se compose d'un boîtier 10' équivalent au boîtier 10 mais plus long et muni d'une première ouverture 11 ' pour le passage de l'arbre moteur 81. Cet arbre moteur est relié cinématiquement, par l'intermédiaire d'engrenages appropriés, d'une part, avec une tige d'entraînement 2' et, d'autre part, avec un pignon 3', de sorte que la rotation de l'arbre moteur autour de son axe X8 entraîne la rotation de la tige d'entraînement 2' autour de son axe longitudinal X2 1 et la rotation du pignon 3' autour de son axe X3>. L'axe X$ du pignon est perpendiculaire à l'axe X2' de la tige 2'. Le pignon 3' est monté sur un carter 32' fixe par rapport au boîtier l'. Un ensemble d'engrenages, non représenté et logé dans le carter 32', est prévu aux fins d'entraînement en rotation du pignon 3' et de la tige 2'. En cela, l'actionneur est similaire à l'actionneur décrit à la figure 1.The embodiments shown in Figures 1 and 2 have the advantage of providing more chain length for a total housing length equivalent to that of the variant not shown. An actuator called "double-chain" is shown in Figure 4 and consists of a housing 10 'equivalent to the housing 10 but longer and provided with a first opening 11' for the passage of the motor shaft 81 This drive shaft is kinematically connected, by means of suitable gears, on the one hand, with a drive rod 2 'and, on the other hand, with a pinion 3', so that the rotation of the motor shaft about its axis X 8 causes the rotation of the drive rod 2 'about its longitudinal axis X 2 1 and the rotation of the pinion 3' about its axis X 3 >. The axis X $ of the pinion is perpendicular to the axis X 2 ' of the rod 2'. The pinion 3 'is mounted on a housing 32' fixed relative to the housing 1. A set of gears, not shown and housed in the housing 32 ', is provided for driving in rotation the pinion 3' and the rod 2 '. In this, the actuator is similar to the actuator described in Figure 1.
La tige d'entraînement 2' est cependant plus longue que pour un actionneur simple chaîne et son extrémité opposée à l'arbre 81 est reliée cinématiquement, par l'intermédiaire d'engrenages appropriés, avec un deuxième pignon 3" monté sur un deuxième carter 32", cette partie étant similaire à l'actionneur décrit relativement à la figure 2.The drive rod 2 'is however longer than for a single chain actuator and its opposite end to the shaft 81 is connected kinematically, via appropriate gearing, with a second pinion 3 "mounted on a second housing 32 ", this part being similar to the actuator described with reference to FIG.
Selon une variante de l'invention, la tige d'entraînement 2' peut être entraînée en rotation par l'intermédiaire du pignon 3'. Le deuxième pignon 3" étant entraîné en rotation par l'intermédiaire de la tige 2', il est possible, en choisissant les engrenages appropriés, que sa rotation soit synchronisée avec celle du premier pignon 3'. Par synchronisation, on entend synchronisation des vitesses, avec une éventuelle inversion des sens de rotation des pignons. Cette synchronisation étant mécanique, elle n'induit pas les inconvénients mentionnés ci-dessus au sujet d'une synchronisation électronique.According to a variant of the invention, the driving rod 2 'can be rotated through the pinion 3'. The second pinion 3 "being rotated by means of the rod 2 ', it is possible, by choosing the appropriate gears, that its rotation is synchronized with that of the first pinion 3'. With the possible reversal of the directions of rotation of the gears, this synchronization being mechanical, it does not induce the disadvantages mentioned above with regard to an electronic synchronization.
Le boîtier 10' comporte deux ouvertures 12' et 12" pour la sortie de deux chaînes 4' et 4" entraînées respectivement par les pignons 3' et 3". Les pignonsThe housing 10 'has two openings 12' and 12 "for the output of two chains 4 'and 4" driven respectively by the pinions 3' and 3 ".
3' et 3" sont disposés sensiblement aux extrémités du boîtier l'. Deux supports 5' et 5" sont montés sur la tige d'entraînement 2' et peuvent coulisser parallèlement à son axe de rotation X? en accompagnant le mouvement des chaînes 4' et 4". Les supports 5' et 5" sont montés entre les pignons 3' et 3" et sont similaires à ceux des deux premiers modes de réalisation.3 'and 3 "are arranged substantially at the ends of the housing 1. Two supports 5' and 5" are mounted on the driving rod 2 'and can slide parallel to its axis of rotation X ? accompanying the movement of the chains 4 'and 4 "The supports 5' and 5" are mounted between the gears 3 'and 3 "and are similar to those of the first two embodiments.
Les supports 5' et 5" s'écartent l'un de l'autre lorsque les chaînes 4' et 4" sont entraînées vers l'extérieur du boîtier 10', ce qui correspond à l'ouverture de l'ouvrant en forme de fenêtre F, et se rapprochent l'un de l'autre lorsque les chaînes sont entraînées vers l'intérieur du boîtier 10', ce qui correspond à la fermeture de l'ouvrant.The supports 5 'and 5 "deviate from each other when the chains 4' and 4" are driven out of the housing 10 ', which corresponds to the opening of the opening in the form of window F, and come closer to each other when the chains are driven into the housing 10 ', which corresponds to the closing of the opening.
Dans un autre mode de réalisation, non représenté, les supports 5' et 5" se suivent dans un premier sens, lorsque les chaînes 4' et 4" sont entraînées vers l'extérieur du boîtier 10', ce qui correspond à l'ouverture de l'ouvrant, et dans un deuxième sens, lorsque les chaînes sont entraînées vers l'intérieur du boîtier 10', ce qui correspond à la fermeture de l'ouvrant. Dans cette forme de réalisation, le carter 32' supportant le premier pignon 3' se situe à une extrémité du boîtier 10', alors que ie deuxième carter 32" supportant le deuxième pignon 3" se situe dans une partie médiane du boîtier 10'.In another embodiment, not shown, the supports 5 'and 5 "follow one another in a first direction, when the chains 4' and 4" are driven out of the housing 10 ', which corresponds to the opening of the opening, and in a second direction, when the chains are driven into the housing 10 ', which corresponds to the closing of the opening. In this embodiment, the housing 32 'supporting the first pinion 3' is at one end of the housing 10 ', while the second housing 32 "supporting the second pinion 3" is located in a central portion of the housing 10'.
Dans les différents cas, les chaînes sont disposées vis à vis des pignons et des supports, comme décrit ci-dessus en relation avec les actionneurs à simple chaîne représentés aux figures 1 ou 2. Selon des variantes non représentées de l'invention, l'actionneur peut comprendre plus de deux pignons, ce qui permet de commander trois chaînes ou plus. Dans ce cas, la tige 2' se prolonge au-delà de l'intervalle entre les pignons 3' et 3" à la figure 4. En variante, une tige différente peut être utilisée pour transmettre le mouvement à partir du pignon 3".In the various cases, the chains are arranged with respect to the pinions and the supports, as described above in relation to the single-chain actuators represented in FIGS. 1 or 2. According to non-represented variants of the invention, the Actuator can include more than two gears, which can control three or more channels. In this case, the rod 2 'extends beyond the interval between 3 and 3 "pinions in FIG. 4. Alternatively, a different rod can be used to transmit the movement from the pinion 3".
Diverses constructions des différents éléments de l'actionneur sont possibles, en cherchant avantageusement à rationaliser le nombre de pièces différentes.Various constructions of the various elements of the actuator are possible, while seeking to rationalize the number of different parts.
Les figures 5 à 7 permettent de visualiser différentes utilisations des actionneurs simple ou double-chaîne décrits ci-dessus.Figures 5 to 7 show different uses of single or double-chain actuators described above.
Un autre type d'actionneur à double chaîne peut être réalisé à partir de deux actionneurs à simple chaîne 1 ' et 1" dont l'un est dépourvu de moteur et dont les tiges 2' et 2" sont connectées par un élément de liaison mécanique tel qu'un manchon 82. Un tel actionneur 1 est schématisé à la figure 5. Chaque actionneur V ou 1" comprend un pignon 3' ou 3" permettant de commander les déplacements d'une chaîne 4' ou 4" qui est engagée dans un support 5' ou 5" mobile le long de la tige 2' ou 2" de l'actionneur en question. La structure obtenue est voisine de celle de la figure 4, la différence principale étant qu'il n'est pas nécessaire de prévoir un boîtier de longueur double, tel que celui 10' du troisième mode de réalisation.Another type of double-chain actuator can be made from two single-chain actuators 1 'and 1 ", one of which is devoid of motor and whose rods 2' and 2" are connected by a mechanical connecting element. such a sleeve 82. Such an actuator 1 is shown schematically in Figure 5. Each actuator V or 1 "comprises a pinion 3 'or 3" for controlling the movement of a chain 4' or 4 "which is engaged in a support 5 'or 5 "movable along the rod 2' or 2" of the actuator in question.The structure obtained is close to that of FIG 4, the main difference being that it is not necessary to provide a double length case, such as that 10 'of the third embodiment.
Par ailleurs, comme représenté à la figure 6, un boîtier moteur 7' peut être développé de manière à ce qu'il dispose de deux sorties d'axe inversées 81a et 81b de part et d'autre du boîtier. Ainsi, deux actionneurs simple chaîne 1a et 1 b peuvent être accouplés, de part et d'autre de ce boîtier moteur, aux deux sorties 81a et 81b, pour former un actionneur motorisé double chaîne.Furthermore, as shown in Figure 6, a motor housing 7 'can be developed so that it has two inverted axis outputs 81a and 81b on either side of the housing. Thus, two single-chain actuators 1a and 1b can be coupled, on either side of this motor housing, to the two outputs 81a and 81b, to form a motorized double-chain actuator.
Enfin, d'autres combinaisons sont possibles, de manière à réaliser des actionneurs motorisés à trois ou quatre chaînes. Ainsi, un actionneur simple chaîne 1b et un actionneur double chaîne V peuvent être accouplés de part et d'autre d'un boîtier moteur T à deux sorties 81a et 81 b, pour former un actionneur motorisé triple chaîne, comme illustré à la figure 7.Finally, other combinations are possible, so as to achieve motorized actuators with three or four chains. Thus, a single-chain actuator 1b and a double-chain actuator V can be coupled on both sides of a motor housing T with two outputs 81a and 81b, to form a motorized triple-chain actuator, as shown in FIG. .
Les différents boîtiers de moteur représentés aux figures 5 à 7 montrent des axes sortants d'un ou des deux côtés du boîtier. Alternativement, un boîtier de moteur sans protubérance peut être prévu. Deux cas de figure sont alors possibles. Dans un premier cas, le boîtier 10 ou 10' contenant les chaînes 4, 4', 4" dispose d'un axe sortant, qui peut être accouplé au niveau du boîtier moteur, comme représenté à la figure 1. Dans un deuxième cas, on utilise un manchon mécanique pour la transmission de mouvement entre le moteur et les pignons ou la tige d'entraînement, comme représenté à la figure 2.The various motor housings shown in FIGS. 5 to 7 show outgoing shafts from one or both sides of the housing. Alternatively, a protruding motor housing can be provided. Two scenarios are then possible. In a first case, the housing 10 or 10 'containing the chains 4, 4', 4 "has an outgoing axis, which can be coupled at the motor housing, as shown in Figure 1. In a second case, we use a sleeve mechanical mechanism for the transmission of motion between the motor and the pinions or drive rod, as shown in FIG.
Une autre forme de réalisation est représentée à la figure 8. L'actionneur motorisé V est alors réalisé dans un seul boîtier 10', le moteur 8 étant intégré dans ce boîtier contenant également les chaînes 4' et 4", les pignons 3' et 3", les supports 5 et 5' et la tige 2'.Another embodiment is shown in FIG. 8. The motorized actuator V is then made in a single housing 10 ', the motor 8 being integrated in this housing also containing the chains 4' and 4 ", the pinions 3 'and 3 ", the supports 5 and 5 'and the rod 2'.
Dans les modes de réalisation ci-dessus, la deuxième extrémité 42 des chaînes 4, 4' ou 4" est prévue fixe par rapport au boîtier 10 et équivalent ou du carter 32 et équivalent ou directement connectée au support 5. Cependant, cette extrémité 42 peut être prévue libre vis à vis du boîtier et du support. Le support 5 conduit cependant toujours la chaîne sur une partie de son trajet.In the embodiments above, the second end 42 of the chains 4, 4 'or 4 "is provided fixed with respect to the housing 10 and equivalent or housing 32 and equivalent or directly connected to the support 5. However, this end 42 The carrier 5, however, always drives the chain over a portion of its path.
Dans ce cas, comme représenté à la figure 9, il est avantageux de prévoir sur la chaîne 4 ou sur le support 5, un élément de blocage 65 qui bloque le passage de la deuxième extrémité 42 de la chaîne 4 dans le guide 6. Ainsi, dans le cas où la chaîne est manceuvrée pour sortir du boîtier, si par exemple le support 5 est retenu par frottement, la chaîne peut coulisser dans le guide 6 jusqu'à ce que l'élément de blocage 65 retienne la chaîne 4 vis à vis du support 5 en venant en appui contre une face 51 du support tournée vers le pignon 3. Puis, si l'entraînement de la chaîne 4 se poursuit, celle-ci entraîne le support en translation. Lorsque la chaîne rentre dans le boîtier de l'actionneur, et si à l'inverse elle est retenue par frottement dans le support 5, celui-ci peut coulisser jusqu'au bout de sa course et la chaîne glisser par la suite dans le guide 6. Ces mouvements de chaîne et de support peuvent également avoir lieu simultanément. Pour gagner encore sur la longueur de chaîne disponible et comme représenté à la figure 10, la deuxième extrémité 42 de la chaîne peut également coulisser dans le support 5, jusqu'à une butée 66 prévue dans ce support 5 à la sortie du guide 6. Un élément de blocage 65 retient alors l'extrémité 42 de la chaîne 4 dans le support 5 au niveau de cette butée 66, lorsque la chaîne est manceuvrée pour sortir du boîtier. L'élément de blocage 65 se présente, par exemple, sous la forme d'un pion, pouvant coulisser dans une gorge 67 prévue dans le support 5, cette gorge étant fermée à son extrémité pour former la butée 66. D'autres formes de réalisation de l'élément de blocage 65, du support 5 et/ou de la butée 66 sont bien entendu envisageables.In this case, as shown in FIG. 9, it is advantageous to provide on the chain 4 or on the support 5 a locking element 65 which blocks the passage of the second end 42 of the chain 4 in the guide 6. Thus , in the case where the chain is manceuvrée out of the housing, if for example the support 5 is retained by friction, the chain can slide in the guide 6 until the locking element 65 retains the chain 4 screws to screw support 5 by bearing against a face 51 of the support facing the pinion 3. Then, if the drive chain 4 continues, it causes the support in translation. When the chain enters the housing of the actuator, and if conversely it is held by friction in the support 5, it can slide to the end of its stroke and the chain later slide in the guide 6. These chain and support movements can also take place simultaneously. To further gain on the available chain length and as shown in Figure 10, the second end 42 of the chain can also slide in the support 5, to a stop 66 provided in the support 5 at the outlet of the guide 6. A locking member 65 then retains the end 42 of the chain 4 in the support 5 at this stop 66, when the chain is manceuvrée out of the housing. The locking element 65 is, for example, in the form of a pin, slidable in a groove 67 provided in the support 5, this groove being closed at its end to form the stop 66. Other embodiments of the locking element 65, the support 5 and / or the stop 66 are of course conceivable.
Dans ce mode de réalisation, il n'est pas prévu de tige de guidage et le support 5 est guidé en translation par coopération de formes avec les faces internes du boîtier 10.In this embodiment, no guide rod is provided and the support 5 is guided in translation by cooperation of shapes with the internal faces of the housing 10.
Dans toutes les formes de réalisation présentées, la course du support lors d'une manœuvre peut être représentative d'une longueur de chaîne déployée. II est donc avantageux de prévoir une butée réglable 52 qui limite la course du support 5 dans le sens de déploiement de la chaîne. Comme représenté uniquement à la figure 10, cette butée réglable peut être positionnée le long d'une réglette 53 sur une face intérieure du boîtier 10 de l'actionneur et bloquer la progression du support en un point donné. Dans le cas où la deuxième extrémité 42 de la chaîne 4 est libre vis à vis du support et du boîtier, il se peut que (a chaîne continue de coulisser dans le support 5 une fois celui-ci bloqué par la butée réglable 52. Lorsque l'extrémité 42 de la chaîne 4 elle-même se bloque vis à vis du support 5, la longueur de chaîne déployée est maximale. Ainsi, le degré d'ouverture de l'ouvrant est fonction de la position de la butée réglable 52. Dans ce cas, l'arrêt du moteur est déterminé par exemple, par surveillance du couple ou des variations de couple. Différentes autres combinaisons sont bien entendu envisageables, l'actionneur motorisé ainsi réalisé pouvant répondre aux différentes contraintes de dimensionnement et de poids des ouvrants à manœuvrer.In all the embodiments presented, the travel of the support during a maneuver can be representative of an extended chain length. It is therefore advantageous to provide an adjustable stop 52 which limits the travel of the support 5 in the direction of deployment of the chain. As shown only in Figure 10, this adjustable stop can be positioned along a strip 53 on an inner face of the housing 10 of the actuator and block the progression of the support at a given point. In the case where the second end 42 of the chain 4 is free with respect to the support and the housing, it is possible that (a chain continues to slide in the support 5 once it is blocked by the adjustable stop 52. When the end 42 of the chain 4 itself is locked with respect to the support 5, the length of chain deployed is maximum, thus the degree of opening of the opening is a function of the position of the adjustable stop 52. In this case, the stopping of the motor is determined for example by monitoring the torque or the torque variations, different other combinations are of course conceivable, the motorized actuator thus produced being able to respond to the different sizing and weight constraints of the openings. to maneuver.
Plusieurs dimensionnements de moteurs peuvent également être prévus pour fournir les puissances nécessaires. Dans tous les modes de réalisation faisant intervenir plus d'une chaîne, les sens de rotation des pignons sont choisis de manière appropriée pour que les chaînes soient mises en mouvement simultanément et dans un même sens de manœuvre de l'ouvrant.Several engine sizes may also be provided to provide the necessary powers. In all embodiments involving more than one chain, the directions of rotation of the gears are appropriately chosen so that the chains are set in motion simultaneously and in the same direction of maneuvering the opening.
Les caractéristiques techniques des modes de réalisation envisagés ci- dessus peuvent être combinées entre elles. En particulier, les supports 5 et équivalents des modes de réalisation des figures 1 à 8 peuvent être guidés dans les boîtiers 10 et équivalents par coopération de formes, comme représenté aux figures 9 et 10. Dans ce cas, les tiges 2 et équivalentes peuvent être supprimées, sauf lorsqu'elles ont une fonction d'entraînement, auquel cas le jeu entre le support et la tige peut être augmenté. The technical features of the embodiments envisaged above can be combined with each other. In particular, the supports 5 and the like of the embodiments of FIGS. 1 to 8 can be guided in the housings 10 and equivalents by cooperation of shapes, as represented in FIGS. 9 and 10. In this case, the rods 2 and the like can be deleted, except when they have a drive function, in which case the clearance between the support and the rod can be increased.

Claims

REVENDICATIONS
1. Actionneur électromécanique (1) pour Ia manœuvre d'un ouvrant (F), comprenant un moteur (8), un pignon (3, 3') entraîné en rotation par le moteur et une chaîne (4, 4') entraînée par le pignon et comprenant une première extrémité1. Electromechanical actuator (1) for the operation of an opening (F), comprising a motor (8), a pinion (3, 3 ') rotated by the motor and a chain (4, 4') driven by the pinion and comprising a first end
(41) destinée à être reliée à l'ouvrant (F) à actionner, caractérisé en ce que l'actionneur (1) comprend également un support (5, 5', 5") pour une partie (45) de la chaîne (4, 4'), ce support étant monté libre en translation le long d'un axe(41) intended to be connected to the leaf (F) to be actuated, characterized in that the actuator (1) also comprises a support (5, 5 ', 5 ") for a part (45) of the chain ( 4, 4 '), this support being mounted free in translation along an axis
(X2, X10) perpendiculaire à l'axe (X3) de rotation du pignon (3) et muni de moyens (6, 6', 6") d'interaction avec la chaîne, tels que le mouvement de translation du support le long de l'axe résulte de l'entraînement de la chaîne par le pignon.(X 2 , X 10 ) perpendicular to the axis (X 3 ) of rotation of the pinion (3) and provided with means (6, 6 ', 6 ") of interaction with the chain, such as the translation movement of the support along the axis results from the drive of the chain by the pinion.
2. Actionneur selon la revendication 1 , caractérisé en ce que les moyens d'interaction (6) comprennent un guide (6, 6', 6") dans lequel peut coulisser la chaîne (4, 4', 4"), ce guide (6, 6', 6") comportant deux éléments de guidage (61 , 62, 61', 62', 61", 62") sur lesquels la chaîne vient sélectivement exercer un effort lorsqu'elle est entraînée par le pignon (3, 3').2. Actuator according to claim 1, characterized in that the interaction means (6) comprise a guide (6, 6 ', 6 ") in which the chain (4, 4', 4") can slide, this guide (6, 6 ', 6 ") having two guide elements (61, 62, 61', 62 ', 61", 62 ") on which the chain selectively exerts a force when it is driven by the pinion (3 , 3 ').
3. Actionneur selon l'une des revendications 1 ou 2, caractérisé en ce que le support (5) est guidé en translation par coopération de formes avec un boîtier (10) de l'actionneur. 3. Actuator according to one of claims 1 or 2, characterized in that the support (5) is guided in translation by forming cooperation with a housing (10) of the actuator.
4. Actionneur selon l'une des revendications 1 ou 2, caractérisé en ce que le support (5, 5', 5") est monté coulissant le long d'une tige (2, 2', 2") dont l'axe longitudinal (X2, X2O est fixe par rapport au boîtier (10, 10', 10").4. Actuator according to one of claims 1 or 2, characterized in that the support (5, 5 ', 5 ") is slidably mounted along a rod (2, 2', 2") whose axis longitudinal (X 2 , X 2 O is fixed relative to the housing (10, 10 ', 10 ").
5. Actionneur selon la revendication 4, caractérisé en ce que la tige (2) est cinématiquement liée à un arbre de sortie (81) du moteur (8), de sorte qu'une rotation de cet axe entraîne une rotation de la tige (2), et en ce que le support (5) est monté de manière à coulisser librement le long de la tige (2).5. Actuator according to claim 4, characterized in that the rod (2) is kinematically connected to an output shaft (81) of the motor (8), so that a rotation of this axis causes rotation of the rod ( 2), and in that the support (5) is mounted to slide freely along the rod (2).
6. Actionneur selon la revendication 5, caractérisé en ce que la tige (2, 2') entraîne la rotation d'un second pignon (3") de manière synchronisée avec le premier pignon (3'), et en ce qu'une deuxième chaîne (4") est entraînée par le second pignon (3") et supportée par un second support (5") également monté sur la tige (2, 2'). 6. Actuator according to claim 5, characterized in that the rod (2, 2 ') rotates a second pinion (3 ") synchronously with the first pinion (3'), and that second chain (4 ") is driven by the second pinion (3") and supported by a second support (5 ") also mounted on the rod (2, 2 ').
7. Actionneur selon l'une des revendications précédentes, caractérisé en ce que la deuxième extrémité (42, 42', 42") de la chaîne (4, 4', 4") est montée fixe par rapport à un boîtier (10) de l'actionneur (1).7. Actuator according to one of the preceding claims, characterized in that the second end (42, 42 ', 42 ") of the chain (4, 4', 4") is fixedly mounted relative to a housing (10). of the actuator (1).
8. Actionneur selon l'une des revendications 1 à 6, caractérisé en ce que la deuxième extrémité (42, 42', 42") de la chaîne (4, 4', 4") est libre.8. Actuator according to one of claims 1 to 6, characterized in that the second end (42, 42 ', 42 ") of the chain (4, 4', 4") is free.
9. Actionneur selon la revendication 8, caractérisé en ce que la deuxième extrémité (42, 42', 42") de la chaîne (4, 4', 4") ou le support comprennent un élément de blocage (65) permettant de retenir la chaîne (4, 4', 4") vis à vis du support (5, 5', 5") dans une direction de mouvement de la chaîne (4, 4', 4") correspondant à l'ouverture de l'ouvrant.9. Actuator according to claim 8, characterized in that the second end (42, 42 ', 42 ") of the chain (4, 4', 4") or the support comprises a locking element (65) for retaining the chain (4, 4 ', 4 ") with respect to the support (5, 5', 5") in a direction of movement of the chain (4, 4 ', 4 ") corresponding to the opening of the opening.
10. Installation de fermeture comprenant un ouvrant (F) mobile entre une position ouverte et une position fermée, caractérisée en ce qu'elle comprend au moins un actionneur (1 , 1 ', 1") selon Tune des revendications précédentes. 10. Closing installation comprising an opening (F) movable between an open position and a closed position, characterized in that it comprises at least one actuator (1, 1 ', 1 ") according to one of the preceding claims.
EP07870363.4A 2006-12-01 2007-11-30 Electromechanical actuator for maneuvering an opening and closing assembly including such actuator Active EP2097603B1 (en)

Applications Claiming Priority (2)

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FR0610524A FR2909407B1 (en) 2006-12-01 2006-12-01 ELECTROMECHANICAL ACTUATOR FOR MANUFACTURING AN OPENER AND CLOSURE INSTALLATION COMPRISING SUCH ACTUATOR
PCT/FR2007/001968 WO2008071887A1 (en) 2006-12-01 2007-11-30 Electromechanical actuator for maneuvering an opening and closing assembly including such actuator

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WO2008071887A1 (en) 2008-06-19
FR2909407B1 (en) 2009-01-09
US8468747B2 (en) 2013-06-25
FR2909407A1 (en) 2008-06-06
US20100139171A1 (en) 2010-06-10
EP2097603B1 (en) 2016-07-06

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