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EP2183458B1 - Tubular actuator for driving a home automation screen - Google Patents

Tubular actuator for driving a home automation screen Download PDF

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Publication number
EP2183458B1
EP2183458B1 EP08789503.3A EP08789503A EP2183458B1 EP 2183458 B1 EP2183458 B1 EP 2183458B1 EP 08789503 A EP08789503 A EP 08789503A EP 2183458 B1 EP2183458 B1 EP 2183458B1
Authority
EP
European Patent Office
Prior art keywords
tube
fixed point
tubular actuator
actuator
locking
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.)
Active
Application number
EP08789503.3A
Other languages
German (de)
French (fr)
Other versions
EP2183458A2 (en
Inventor
Denis Magli
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 EP2183458A2 publication Critical patent/EP2183458A2/en
Application granted granted Critical
Publication of EP2183458B1 publication Critical patent/EP2183458B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E06B9/72—Operating devices or mechanisms, e.g. with electric drive comprising an electric motor positioned inside the roller
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/17—Parts or details of roller shutters, e.g. suspension devices, shutter boxes, wicket doors, ventilation openings
    • E06B9/174—Bearings specially adapted therefor
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/40—Roller blinds
    • E06B9/42—Parts or details of roller blinds, e.g. suspension devices, blind boxes
    • E06B9/50—Bearings specially adapted therefor

Definitions

  • the invention relates to a tubular actuator of a mobile screen used in a home automation system, such as a shutter or a blind.
  • the invention also relates to the home automation system comprising such an actuator.
  • a tubular actuator generally comprises a tube in which are inserted a geared motor on one side and a fixed point on the other end.
  • the fixed point is a kind of plug at the end of the tube and integrates, preferably, a portion of the engine connector and may include electronic or mechanical control means of the engine power.
  • This fixed point has above all a mechanical function: it is made integral with the tube and actively participates in the recovery of the torque of the actuator relative to the frame on which it is fixed.
  • the fixed point must be secured to the tube. To axially lock the fixed point, it is common to assemble radially a screw on this piece, once mounted in the tube, so that the screw head comes to be housed in an orifice of the tube.
  • the torque is generally taken up by lugs arranged on the fixed point cooperating with notches of the tube.
  • the fixed point also includes specific shapes cooperating with complementary shapes of a support fixed on the frame. This combination allows a good recovery of torque between the frame and the actuator tube.
  • the interface can also be performed by an intermediate piece on which is fixed the fixed point.
  • document is known FR 2 840 012 , a fixed point mounted in an actuator tube and retained in axial translation by means of a retractable pin on the fixed point cooperating with a hole on the tube.
  • the object of the invention is to provide a tubular actuator overcoming the above disadvantages and improving tubular actuators known from the prior art.
  • the invention proposes a tubular actuator having a simple structure and whose fixed point can be disassembled in a simple manner without the aid of a tool, the fixed point not disassembling nonetheless untimely.
  • the invention also proposes an installation comprising such an actuator.
  • the actuator according to the invention is defined by claim 1.
  • the home automation system according to the invention is defined by claim 11.
  • the actuator according to the invention has means for stopping or indexing cooperating to stop a fixed point, such as a base, for example fixed or intended to be fixed to the structure of a building, at least axially relative to a tube, that is to say block the relative movements of the fixed point and the tube in at least the axial direction.
  • a fixed point such as a base
  • a tube that is to say block the relative movements of the fixed point and the tube in at least the axial direction.
  • stop or indexing means may be dimensioned to ensure a low holding resistance at least axial, only to pre-assemble the fixed point and the tube.
  • the fixed point can thus be inserted into the tube with little effort.
  • the stopping means are said to be active or in a cooperation position.
  • the axial stop is obtained thanks to the positioning of a stop means vis-Ă -vis a second complementary stop means.
  • a stop means vis-Ă -vis a second complementary stop means.
  • the stop means then become inactive, that is to say they leave their cooperation position. Another way to make them inactive, is to act directly on one of them, for example, unclipping a stop means that would be a clip.
  • the invention provides locking means mounted for example on the fixed point making the stop means always active, that is to say by keeping the means of stopping in their position of cooperation.
  • the locking means may, for example, prohibit the elastic deformation or movement of the stop means.
  • the locking means allow to maintain the assembly of the two parts. In other words, these locking means prevent the stop means from being deactivated.
  • the locking means are said to be active when they perform their function of preventing deformation or displacement of the stop means and are said to be inactive when they do not perform their function of prohibiting deformation or displacement of the means of locking. 'stop.
  • the locking means reinforces the stop means and more particularly their torque stiffness that can be transmitted from the tube to the fixed point.
  • the locking means By adapting overlapping surfaces between the locking means, the body of the fixed point and the stop means, part of the transmitted torque can be taken up at the stop means. They thus participate better in the transmission of the couple.
  • This actuator also makes it possible to add functions to the locking means, which makes the solution more industrial and economical.
  • the motor power plug can be used for locking.
  • a second alternative is that it is arranged on a part having interface surfaces with the support fixed on the frame. This piece then forms a customizable head. Part of the actuator formed of the tube, the geared motor and the fixed point being standard, it is then sufficient to adapt the head depending on the installation.
  • the figure 1 represents a first embodiment of a tubular actuator 1 for driving a winding tube of a screen type blind or roller shutter.
  • This actuator comprises a tube 10 inside which is inserted a geared motor (not shown) projecting from one side. At the other end, the tube is closed by a fixed point 20 on which a head 30 is fixed.
  • the stop means comprise a first means on the fixed point and a second means on the tube.
  • the stop means make it possible to stop the fixed point in the tube at least in translation along the axis of the tube.
  • the first means comprises two resilient tabs 21 provided on the body 20C of the fixed point and being clipped into the second means comprising two openings 11 provided on the tube.
  • the fixed point may have only one or more elastic tabs two elastic feet.
  • the elastic tabs 21 extend axially on the outside diameter 23 of the part of the fixed point penetrating into the tube. This outside diameter is slightly smaller than the inside diameter 13 of the tube.
  • the elastic tabs each terminate in a protuberance 24 extending radially up to a diameter 24D greater than the inside diameter 13 of the tube and, preferably, smaller than the outside diameter 12 of the tube.
  • the protrusion also includes a slope 24P for facilitating the flexion of the elastic tab. Indeed, the insertion I 1 of the fixed point in the tube has the effect of bending radially elastic tab when the tube comes into contact with the slope 24P. The protuberance then fades, the diameter 24D of the protuberance becoming smaller than the inside diameter of the tube. When the protuberance is positioned in front of an opening 11, the tab resumes, by its elasticity, its rest position. The protuberance is then lodged in the opening.
  • the fixed point is locked axially with respect to the tube, in one direction, by the contact of a face 24F of the protuberance against a face 14 of the opening and, in the other direction, by the contact of a face 15 of the end of the tube against a face 25 of the fixed point.
  • the stop can be obtained solely by the contacts between the faces of the protuberance and the faces of the opening 11.
  • the fixed point is stopped in rotation around the axis of the tube by contacting faces of the protuberance with faces of the opening.
  • the elastic tab can be dimensioned so that this radial force is not important but its axial resistance to axially stop the fixed point is sufficient for the fixed point remains integral with the tube when it is weakly solicited in this direction. Such dimensioning also induces a low resistance to stop in rotation the fixed point in the tube.
  • a locking means 32 is placed in the fixed point.
  • This locking means makes it possible to prevent bending deformation of the elastic tabs.
  • it is a head 30 provided with bars 32 which are inserted in housings 22 provided in the fixed point. These housings are arranged so that when the bars 32 are introduced there, the bending deformations of the elastic tabs are prohibited.
  • the housings have rectangular sections and are arranged astride between the elastic tabs 21 and the body 20C of the fixed point. The insertion I 2 of the head in the fixed point locks the elastic tabs. To do this, referring to the figure 3 , the lower face 26 of the protuberance comes into contact with the upper face 36 of the locking bar 32.
  • the function of the locking means is to ensure that the stop means of the fixed point relative to the tube remain active, that is to say ensure that the fixed point remains integral with the tube (at least in translation if the stop means are stop means in translation) including under the effect of axial forces or radial forces on the protuberances of the elastic tabs.
  • the locking bar is also immobilized in rotation around the axis of the tube, both on the side of the elastic tab and on the side of the body of the fixed point. This has the effect of reinforcing the rotational stop of the elastic tab.
  • a torque exerted on the tube can be mainly or exclusively transmitted to the body of the fixed point via the elastic tabs.
  • the force is transmitted to the protuberance via the opening of the tube. It is then transmitted to the locking bar via the contact between the faces 28a or 29a of the elastic tab and 38 or 39 of the bar.
  • the torque is then transmitted to the body of the fixed point via the contact between the faces 39 or 38 of the bar and 29b or 28b of the body of the fixed point.
  • the locking means are integrated on a head attached to the fixed point.
  • the locking of the clips is activated following the plugging of the plug of the power cable into the fixed point.
  • the locking means may also have no function other than the locking of the elastic tabs.
  • Elastic tabs as described allow to offer a good stop resistance in axial translation, and require a low force in a perpendicular direction to disassemble the assembly.
  • the elastic tabs are arranged on the fixed point but they may be part of the tube.
  • bosses on the tube can allow the axial stop.
  • the opening opening can be used only for the disengagement of the elastic tabs and not the axial resistance.
  • the stop means comprise elastic tabs extending longitudinally. However, it could be including retractable lugs or any other clipping means.
  • stop means comprising a deformation 211 of the tube 210, a blasting for example.
  • the stop means also comprise, on the fixed point 220, a protuberance 221 U-shaped. This protuberance is disposed on the outside diameter of the body of the fixed point penetrating into the tube. This outside diameter is dimensioned so that the fixed point can be inserted into the tube after it is deformed.
  • the protuberance extends radially to a diameter slightly less than the inside diameter of the tube.
  • the fixed point also comprises locking means.
  • These locking means comprise an elastic tab 232, also arranged on the outer diameter of the body of the fixed point and extending to a diameter greater than the inner diameter of the tube and slightly smaller than the outer diameter of the tube.
  • These locking means also comprise an end of the tube intended to cooperate by contact with the elastic tab.
  • the assembly of these parts requires specific operations.
  • the fixed point is oriented relative to the blasting of the tube, that is to say, by providing an angular offset of the protuberance so that it does not abut against the deformation of the tube during the insertion of the point fixed. In order for the protuberance to exceed the deformation of the tube, the elastic tab must be deformed in flexion, thus allowing the fixed point to be inserted deeper into the tube.
  • the fixed point is rotated so as to align the deformation of the tube with the U of the protuberance. It is then sufficient to pull the fixed point so that the deformation of the tube is positioned inside the U and that the elastic tab resumes, by its elasticity, its rest position.
  • This solution thus provides good axial stopping resistance of the fixed point in the tube as well as good torque recovery. It is preferable to have at least two deformations cooperating with two U-shaped protuberances and two elastic tabs.
  • the stop means provided on the fixed point may be hollow rather than raised as shown in FIG. figure 10 .
  • the body of the fixed point may have an outer diameter close to the inside diameter of the tube, thus ensuring better guidance in the tube during its insertion.
  • the body is provided with grooves 323 forming a path for guiding the deformation of the tube to a locking zone 321 corresponding to the U in the embodiment described above.
  • the locking means 332 are similar to those of the previous solution.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Actuator (AREA)

Description

L'invention concerne un actionneur tubulaire d'un écran mobile utilisé dans une installation domotique, telle qu'un volet roulant ou un store. L'invention concerne également l'installation domotique comprenant un tel actionneur.The invention relates to a tubular actuator of a mobile screen used in a home automation system, such as a shutter or a blind. The invention also relates to the home automation system comprising such an actuator.

Un actionneur tubulaire comprend gĂ©nĂ©ralement un tube dans lequel sont insĂ©rĂ©s un motorĂ©ducteur d'un cotĂ© et un point fixe Ă  l'autre extrĂ©mitĂ©. Le point fixe constitue en quelque sorte un bouchon Ă  l'extrĂ©mitĂ© du tube et intĂšgre, de prĂ©fĂ©rence, une partie de la connectique du moteur et peut comprendre des moyens Ă©lectroniques ou mĂ©caniques de commande de l'alimentation du moteur. Ce point fixe a surtout une fonction mĂ©canique : il est rendu solidaire du tube et participe activement Ă  la reprise du couple de l'actionneur par rapport au bĂąti sur lequel il est fixĂ©. Le point fixe doit donc ĂȘtre solidaire du tube. Pour bloquer axialement le point fixe, il est courant d'assembler radialement une vis sur cette piĂšce, une fois montĂ©e dans le tube, de maniĂšre Ă  ce que la tĂȘte de vis vienne se loger dans un orifice du tube. C'est la coopĂ©ration entre la tĂȘte de vis et l'orifice qui empĂȘche la translation axiale. Pour dĂ©monter le point fixe, il faut enlever la vis avec un outil. Pour certains actionneurs, la vis a Ă©tĂ© remplacĂ©e par un clip disposĂ© sur le point fixe et dont l'extrĂ©mitĂ© vient se loger dans l'orifice du tube. Pour dĂ©monter le point fixe, il faut, dans ce cas, appuyer sur l'extrĂ©mitĂ© du clip pour le dĂ©sengager. Le clip est dimensionnĂ© pour un bon maintien du point fixe et s'avĂšre rigide, nĂ©cessitant ainsi l'usage d'un outil pour le dĂ©montage. Cette rigiditĂ© limite Ă©galement les opĂ©rations malencontreuses. Concernant la reprise du couple, que ce soit une vis ou un clip, cet Ă©lĂ©ment participe peu Ă  cette transmission d'effort. Le couple est gĂ©nĂ©ralement repris par des ergots disposĂ©s sur le point fixe coopĂ©rant avec des encoches du tube. Dans de nombreux cas, le point fixe comprend Ă©galement des formes spĂ©cifiques coopĂ©rant avec des formes complĂ©mentaires d'un support fixĂ© sur le bĂąti. Cette combinaison permet une bonne reprise du couple entre le bĂąti et le tube de l'actionneur. L'interface peut ĂȘtre Ă©galement rĂ©alisĂ©e par une piĂšce intermĂ©diaire sur laquelle est fixĂ© le point fixe.A tubular actuator generally comprises a tube in which are inserted a geared motor on one side and a fixed point on the other end. The fixed point is a kind of plug at the end of the tube and integrates, preferably, a portion of the engine connector and may include electronic or mechanical control means of the engine power. This fixed point has above all a mechanical function: it is made integral with the tube and actively participates in the recovery of the torque of the actuator relative to the frame on which it is fixed. The fixed point must be secured to the tube. To axially lock the fixed point, it is common to assemble radially a screw on this piece, once mounted in the tube, so that the screw head comes to be housed in an orifice of the tube. It is the cooperation between the screw head and the orifice that prevents the axial translation. To remove the fixed point, remove the screw with a tool. For some actuators, the screw has been replaced by a clip disposed on the fixed point and whose end is housed in the orifice of the tube. To dismount the fixed point, it is necessary, in this case, to press on the end of the clip to disengage it. The clip is dimensioned for a good hold of the fixed point and is rigid, thus requiring the use of a tool for disassembly. This rigidity also limits the unfortunate operations. Regarding the recovery of torque, be it a screw or a clip, this element contributes little to this transmission of effort. The torque is generally taken up by lugs arranged on the fixed point cooperating with notches of the tube. In many cases, the fixed point also includes specific shapes cooperating with complementary shapes of a support fixed on the frame. This combination allows a good recovery of torque between the frame and the actuator tube. The interface can also be performed by an intermediate piece on which is fixed the fixed point.

On connaßt par exemple du document FR 2 840 012 , un point fixe monté dans un tube d'actionneur et retenu en translation axiale grùce à un pion escamotable sur le point fixe coopérant avec un trou sur le tube.For example, document is known FR 2 840 012 , a fixed point mounted in an actuator tube and retained in axial translation by means of a retractable pin on the fixed point cooperating with a hole on the tube.

Tous ces dispositifs prĂ©sentent l'inconvĂ©nient d'ĂȘtre relativement difficile Ă  dĂ©monter dans la mesure oĂč ils nĂ©cessitent un outil pour leur dĂ©montage.All these devices have the disadvantage of being relatively difficult to disassemble to the extent that they require a tool for disassembly.

Le but de l'invention est de fournir un actionneur tubulaire palliant les inconvĂ©nients prĂ©cĂ©dents et amĂ©liorant les actionneurs tubulaires connus de l'art antĂ©rieur. En particulier, l'invention propose un actionneur tubulaire ayant une structure simple et dont le point fixe peut ĂȘtre dĂ©montĂ© de maniĂšre simple sans l'aide d'un outil, le point fixe ne se dĂ©montant nĂ©anmoins pas intempestivement. L'invention propose aussi une installation comprenant un tel actionneur.The object of the invention is to provide a tubular actuator overcoming the above disadvantages and improving tubular actuators known from the prior art. In particular, the invention proposes a tubular actuator having a simple structure and whose fixed point can be disassembled in a simple manner without the aid of a tool, the fixed point not disassembling nonetheless untimely. The invention also proposes an installation comprising such an actuator.

L'actionneur selon l'invention est défini par la revendication 1.The actuator according to the invention is defined by claim 1.

Différents modes de réalisation de l'actionneur sont définis par les revendications dépendantes 2 à 10.Different embodiments of the actuator are defined by the dependent claims 2 to 10.

L'installation domotique selon l'invention est définie par la revendication 11.The home automation system according to the invention is defined by claim 11.

L'invention sera mieux comprise à la lecture de la description qui va suivre, donnée uniquement à titre d'exemple et faite en se référant aux dessins annexés sur lesquels :

  • la figure 1 est une vue en perspective de certains Ă©lĂ©ments constitutifs d'un actionneur tubulaire conforme Ă  un premier mode de rĂ©alisation selon l'invention ;
  • les figures 2 Ă  5 sont des vues en coupe reprĂ©sentant les diffĂ©rentes Ă©tapes d'assemblage du premier mode de rĂ©alisation d'un actionneur selon l'invention ;
  • les figures 6 Ă  9 sont des vues en coupe partielle reprĂ©sentant les diffĂ©rentes Ă©tapes d'assemblage d'un deuxiĂšme mode de rĂ©alisation d'un actionneur selon l'invention ;
  • la figure 10 est une vue reprĂ©sentant un troisiĂšme mode de rĂ©alisation d'un actionneur selon l'invention ;
  • la figure 11 est une vue en coupe reprĂ©sentant un quatriĂšme mode de rĂ©alisation d'un actionneur selon l'invention.
The invention will be better understood on reading the description which follows, given solely by way of example and with reference to the appended drawings in which:
  • the figure 1 is a perspective view of certain constituent elements of a tubular actuator according to a first embodiment according to the invention;
  • the Figures 2 to 5 are sectional views showing the different assembly steps of the first embodiment of an actuator according to the invention;
  • the Figures 6 to 9 are views in partial section showing the different assembly steps of a second embodiment of an actuator according to the invention;
  • the figure 10 is a view showing a third embodiment of an actuator according to the invention;
  • the figure 11 is a sectional view showing a fourth embodiment of an actuator according to the invention.

L'actionneur selon l'invention prĂ©sente des moyens d'arrĂȘt ou d'indexation coopĂ©rant pour arrĂȘter un point fixe, comme une embase, par exemple fixĂ©e ou destinĂ©e Ă  ĂȘtre fixĂ©e Ă  la structure d'un bĂątiment, au moins axialement par rapport Ă  un tube, c'est-Ă -dire bloquer les mouvements relatifs du point fixe et du tube selon au moins la direction axiale. Ces moyens d'arrĂȘt ou d'indexation peuvent ĂȘtre dimensionnĂ©s pour assurer une faible tenue d'arrĂȘt au moins axiale, uniquement pour prĂ©-assembler le point fixe et le tube. Le point fixe peut ainsi ĂȘtre insĂ©rĂ© dans le tube avec un faible effort. Lorsqu'ils assurent leur fonction d'indexation ou de maintien du point fixe dans le tube les moyens d'arrĂȘt sont dits actifs ou dans une position de coopĂ©ration. Au-delĂ  d'un certain effort axial exercĂ© sur le point fixe, celui-ci se dĂ©sengage du tube, par dĂ©formation Ă©lastique d'au moins un des moyens d'arrĂȘt. Selon un autre mode de rĂ©alisation, l'arrĂȘt axial est obtenu grĂące au positionnement d'un moyen d'arrĂȘt en vis-Ă -vis d'un second moyen d'arrĂȘt complĂ©mentaire. Dans ce cas, pour dĂ©sengager le point fixe du tube, il faut dĂ©placer un des moyens d'arrĂȘt par rapport Ă  l'autre pour qu'il ne soit plus en vis-Ă -vis du moyen d'arrĂȘt complĂ©mentaire, pour qu'il ne coopĂšre plus avec ce moyen d'arrĂȘt complĂ©mentaire. Les moyens d'arrĂȘt deviennent alors inactifs, c'est-Ă -dire qu'ils quittent leur position de coopĂ©ration. Un autre moyen de les rendre inactifs, consiste Ă  agir directement sur l'un d'entre eux, par exemple, en dĂ©clipsant un moyen d'arrĂȘt qui serait un clip. Cette configuration facilite le dĂ©montage et l'assemblage de l'actionneur en cas de service aprĂšs-vente et cela sans l'aide d'outils. Pour sĂ©curiser l'assemblage et s'assurer que les piĂšces restent solidaires en translation en usage, l'invention propose des moyens de verrouillage montĂ©s par exemple sur le point fixe rendant les moyens d'arrĂȘt toujours actifs, c'est-Ă -dire en maintenant les moyens d'arrĂȘt dans leur position de coopĂ©ration. Les moyens de verrouillage peuvent, par exemple, interdire la dĂ©formation Ă©lastique ou le dĂ©placement des moyens d'arrĂȘt. Or, compte tenu qu'il faut soit dĂ©former, soit dĂ©placer les moyens d'arrĂȘt pour dĂ©sassembler le point fixe du tube, les moyens de verrouillage permettent de maintenir l'assemblage des deux piĂšces. Autrement dit, ces moyens de verrouillage empĂȘchent les moyens d'arrĂȘt de se dĂ©sactiver. Ainsi, tant que les moyens de verrouillage sont en place, il n'est pas possible de dĂ©sassembler le point fixe du tube, sauf Ă  endommager les moyens d'arrĂȘt. Les moyens de verrouillage sont dits actifs lorsqu'ils assurent leur fonction d'interdiction de dĂ©formation ou de dĂ©placement des moyens d'arrĂȘt et sont dits inactifs lorsqu'ils n'assurent pas leur fonction d'interdiction de dĂ©formation ou de dĂ©placement des moyens d'arrĂȘt.The actuator according to the invention has means for stopping or indexing cooperating to stop a fixed point, such as a base, for example fixed or intended to be fixed to the structure of a building, at least axially relative to a tube, that is to say block the relative movements of the fixed point and the tube in at least the axial direction. These stop or indexing means may be dimensioned to ensure a low holding resistance at least axial, only to pre-assemble the fixed point and the tube. The fixed point can thus be inserted into the tube with little effort. When they perform their function of indexing or maintaining the fixed point in the tube, the stopping means are said to be active or in a cooperation position. Beyond a certain axial force exerted on the fixed point, the latter disengages from the tube, by elastic deformation of at least one of the stop means. According to another embodiment, the axial stop is obtained thanks to the positioning of a stop means vis-Ă -vis a second complementary stop means. In this case, to disengage the fixed point of the tube, it is necessary to move one of the stop means relative to the other so that it is no longer vis-Ă -vis the complementary stop means, for that it no longer cooperates with this complementary stop means. The stop means then become inactive, that is to say they leave their cooperation position. Another way to make them inactive, is to act directly on one of them, for example, unclipping a stop means that would be a clip. This configuration facilitates disassembly and assembly of the actuator in case of after-sales service without tools. To secure the assembly and ensure that the parts remain integral in translation in use, the invention provides locking means mounted for example on the fixed point making the stop means always active, that is to say by keeping the means of stopping in their position of cooperation. The locking means may, for example, prohibit the elastic deformation or movement of the stop means. However, considering that it is necessary to deform or move the stop means to disassemble the fixed point of the tube, the locking means allow to maintain the assembly of the two parts. In other words, these locking means prevent the stop means from being deactivated. Thus, as long as the locking means are in place, it is not possible to disassemble the fixed point of the tube, except to damage the stop means. The locking means are said to be active when they perform their function of preventing deformation or displacement of the stop means and are said to be inactive when they do not perform their function of prohibiting deformation or displacement of the means of locking. 'stop.

Avantageusement, le moyen de verrouillage permet de renforcer les moyens d'arrĂȘt et plus particuliĂšrement leur rigiditĂ© au couple qui peut ĂȘtre transmis du tube au point fixe. En adaptant des surfaces de reprises adĂ©quates entre les moyens de verrouillage, le corps du point fixe et les moyens d'arrĂȘt, une partie du couple transmis peut ĂȘtre repris au niveau des moyens d'arrĂȘt. Ceux-ci participent ainsi mieux Ă  la transmission du couple.Advantageously, the locking means reinforces the stop means and more particularly their torque stiffness that can be transmitted from the tube to the fixed point. By adapting overlapping surfaces between the locking means, the body of the fixed point and the stop means, part of the transmitted torque can be taken up at the stop means. They thus participate better in the transmission of the couple.

Cet actionneur permet Ă©galement d'ajouter des fonctions au moyen de verrouillage, ce qui rend la solution plus industrielle et Ă©conomique. On peut, par exemple, utiliser la prise d'alimentation du moteur pour assurer le verrouillage. Une seconde alternative consiste Ă  ce qu'il soit disposĂ© sur une piĂšce dotĂ©e de surfaces interfaces avec le support fixĂ© sur le bĂąti. Cette piĂšce forme alors une tĂȘte personnalisable. Une partie de l'actionneur formĂ©e du tube, du motorĂ©ducteur et du point fixe Ă©tant standard, il suffit alors d'adapter la tĂȘte en fonction de l'installation.This actuator also makes it possible to add functions to the locking means, which makes the solution more industrial and economical. For example, the motor power plug can be used for locking. A second alternative is that it is arranged on a part having interface surfaces with the support fixed on the frame. This piece then forms a customizable head. Part of the actuator formed of the tube, the geared motor and the fixed point being standard, it is then sufficient to adapt the head depending on the installation.

La figure 1 reprĂ©sente un premier mode de rĂ©alisation d'un actionneur tubulaire 1 destinĂ© Ă  entraĂźner un tube d'enroulement d'un Ă©cran de type store ou volet roulant. Cet actionneur comprend un tube 10 Ă  l'intĂ©rieur duquel est insĂ©rĂ© un motorĂ©ducteur (non reprĂ©sentĂ©) faisant saillie d'un cotĂ©. A l'autre extrĂ©mitĂ©, le tube est obturĂ© par un point fixe 20 sur lequel se fixe une tĂȘte 30.The figure 1 represents a first embodiment of a tubular actuator 1 for driving a winding tube of a screen type blind or roller shutter. This actuator comprises a tube 10 inside which is inserted a geared motor (not shown) projecting from one side. At the other end, the tube is closed by a fixed point 20 on which a head 30 is fixed.

La constitution et l'assemblage de ces trois éléments est décrit en référence aux figures 2 à 4.The constitution and assembly of these three elements is described with reference to Figures 2 to 4 .

Selon ce mode de rĂ©alisation, les moyens d'arrĂȘt comprennent un premier moyen sur le point fixe et un deuxiĂšme moyen sur le tube. Les moyens d'arrĂȘt permettent d'arrĂȘter le point fixe dans le tube au moins en translation selon l'axe du tube. Le premier moyen comprend deux pattes Ă©lastiques 21 prĂ©vues sur le corps 20C du point fixe et venant se clipper dans le deuxiĂšme moyen comprenant deux ouvertures 11 prĂ©vues sur le tube. En variante, le point fixe peut n'avoir qu'une patte Ă©lastique ou plus de deux pattes Ă©lastiques. Les pattes Ă©lastiques 21 s'Ă©tendent axialement sur le diamĂštre extĂ©rieur 23 de la partie du point fixe pĂ©nĂ©trant dans le tube. Ce diamĂštre extĂ©rieur est lĂ©gĂšrement infĂ©rieur au diamĂštre intĂ©rieur 13 du tube. Les pattes Ă©lastiques se terminent chacune par une protubĂ©rance 24 s'Ă©tendant radialement jusqu'Ă  un diamĂštre 24D supĂ©rieur au diamĂštre intĂ©rieur 13 du tube et, prĂ©fĂ©rentiellement, infĂ©rieur au diamĂštre extĂ©rieur 12 du tube. La protubĂ©rance comprend Ă©galement une pente 24P destinĂ©e Ă  faciliter la flexion de la patte Ă©lastique. En effet, l'insertion I1 du point fixe dans le tube a pour effet de faire flĂ©chir radialement la patte Ă©lastique lorsque le tube entre en contact avec la pente 24P. La protubĂ©rance s'efface alors, le diamĂštre 24D de la protubĂ©rance devenant infĂ©rieur au diamĂštre intĂ©rieur du tube. Lorsque la protubĂ©rance est positionnĂ©e en face d'une ouverture 11, la patte reprend, par son Ă©lasticitĂ©, sa position de repos. La protubĂ©rance vient alors se loger dans l'ouverture. Ainsi assemblĂ©, le point fixe est bloquĂ© axialement par rapport au tube, dans une direction, par le contact d'une face 24F de la protubĂ©rance contre une face 14 de l'ouverture et, dans l'autre direction, par le contact d'une face 15 de l'extrĂ©mitĂ© du tube contre une face 25 du point fixe. Dans le cas oĂč le point fixe est intĂ©gralement insĂ©rĂ© dans le tube, l'arrĂȘt peut ĂȘtre obtenu uniquement par les contacts entre les faces de la protubĂ©rance et les faces de l'ouverture 11. De mĂȘme, le point fixe se trouve arrĂȘtĂ© en rotation autour de l'axe du tube par contact de faces de la protubĂ©rance avec des faces de l'ouverture.According to this embodiment, the stop means comprise a first means on the fixed point and a second means on the tube. The stop means make it possible to stop the fixed point in the tube at least in translation along the axis of the tube. The first means comprises two resilient tabs 21 provided on the body 20C of the fixed point and being clipped into the second means comprising two openings 11 provided on the tube. Alternatively, the fixed point may have only one or more elastic tabs two elastic feet. The elastic tabs 21 extend axially on the outside diameter 23 of the part of the fixed point penetrating into the tube. This outside diameter is slightly smaller than the inside diameter 13 of the tube. The elastic tabs each terminate in a protuberance 24 extending radially up to a diameter 24D greater than the inside diameter 13 of the tube and, preferably, smaller than the outside diameter 12 of the tube. The protrusion also includes a slope 24P for facilitating the flexion of the elastic tab. Indeed, the insertion I 1 of the fixed point in the tube has the effect of bending radially elastic tab when the tube comes into contact with the slope 24P. The protuberance then fades, the diameter 24D of the protuberance becoming smaller than the inside diameter of the tube. When the protuberance is positioned in front of an opening 11, the tab resumes, by its elasticity, its rest position. The protuberance is then lodged in the opening. Thus assembled, the fixed point is locked axially with respect to the tube, in one direction, by the contact of a face 24F of the protuberance against a face 14 of the opening and, in the other direction, by the contact of a face 15 of the end of the tube against a face 25 of the fixed point. In the case where the fixed point is integrally inserted in the tube, the stop can be obtained solely by the contacts between the faces of the protuberance and the faces of the opening 11. Similarly, the fixed point is stopped in rotation around the axis of the tube by contacting faces of the protuberance with faces of the opening.

Pour dĂ©sassembler le point fixe, il suffit de dĂ©sengager la patte Ă©lastique en exerçant un effort radial sur la protubĂ©rance, accessible Ă  travers l'ouverture du tube. Cette action fait flĂ©chir la patte Ă©lastique permettant Ă  la protubĂ©rance de s'effacer. La patte Ă©lastique peut ĂȘtre dimensionnĂ©e de maniĂšre Ă  ce que cet effort radial ne soit pas important mais que sa tenue axiale pour arrĂȘter axialement le point fixe soit suffisante pour que le point fixe reste solidaire du tube lorsqu'il est faiblement sollicitĂ© dans cette direction. Un tel dimensionnement induit Ă©galement une faible tenue pour arrĂȘter en rotation le point fixe dans le tube.To disassemble the fixed point, simply disengage the elastic tab by exerting a radial force on the protuberance, accessible through the opening of the tube. This action bends the elastic tab allowing the protuberance to fade. The elastic tab can be dimensioned so that this radial force is not important but its axial resistance to axially stop the fixed point is sufficient for the fixed point remains integral with the tube when it is weakly solicited in this direction. Such dimensioning also induces a low resistance to stop in rotation the fixed point in the tube.

Pour augmenter et sĂ©curiser la tenue axiale et Ă©viter les erreurs de manipulation, un moyen de verrouillage 32 est mis en place dans le point fixe. Ce moyen de verrouillage permet d'interdire la dĂ©formation de flexion des pattes Ă©lastiques. Dans la prĂ©sente illustration, il s'agit d'une tĂȘte 30 muni de barres 32 venant s'insĂ©rer dans des logements 22 prĂ©vus dans le point fixe. Ces logements sont agencĂ©s de maniĂšre Ă  ce que lorsque les barres 32 y sont introduites, les dĂ©formations de flexion des pattes Ă©lastiques sont interdites. Par exemple, les logements prĂ©sentent des sections rectangulaires et sont disposĂ©s Ă  cheval entre les pattes Ă©lastiques 21 et le corps 20C du point fixe. L'insertion I2 de la tĂȘte dans le point fixe verrouille les pattes Ă©lastiques. Pour ce faire, en se reportant Ă  la figure 3, la face infĂ©rieure 26 de la protubĂ©rance entre en contact avec la face supĂ©rieure 36 de la barre de verrouillage 32. La face infĂ©rieure 37 appuie alors sur la face rigide 27 du corps du point fixe. Le mouvement axial de la protubĂ©rance est bloquĂ©. La protubĂ©rance reste donc toujours logĂ©e dans l'ouverture du tube. Ainsi, la fonction des moyens de verrouillage est d'assurer que les moyens d'arrĂȘt du point fixe relativement au tube restent actifs, c'est-Ă -dire assurer que le point fixe reste solidaire du tube (au moins en translation si les moyens d'arrĂȘt sont des moyens d'arrĂȘt en translation) y compris sous l'effet d'efforts axiaux ou d'efforts radiaux sur les protubĂ©rances des pattes Ă©lastiques.To increase and secure the axial resistance and avoid handling errors, a locking means 32 is placed in the fixed point. This locking means makes it possible to prevent bending deformation of the elastic tabs. In the present illustration, it is a head 30 provided with bars 32 which are inserted in housings 22 provided in the fixed point. These housings are arranged so that when the bars 32 are introduced there, the bending deformations of the elastic tabs are prohibited. For example, the housings have rectangular sections and are arranged astride between the elastic tabs 21 and the body 20C of the fixed point. The insertion I 2 of the head in the fixed point locks the elastic tabs. To do this, referring to the figure 3 , the lower face 26 of the protuberance comes into contact with the upper face 36 of the locking bar 32. The lower face 37 then bears on the rigid face 27 of the body of the fixed point. The axial movement of the protuberance is blocked. The protrusion therefore remains always housed in the opening of the tube. Thus, the function of the locking means is to ensure that the stop means of the fixed point relative to the tube remain active, that is to say ensure that the fixed point remains integral with the tube (at least in translation if the stop means are stop means in translation) including under the effect of axial forces or radial forces on the protuberances of the elastic tabs.

Pour que la tĂȘte reste assemblĂ©e avec le point fixe, il faut prĂ©voir des moyens de fixation (non reprĂ©sentĂ©s) entre ces deux piĂšces. Ces deux piĂšces sont faiblement sollicitĂ©es en usage. Le dimensionnement de ces moyens n'est pas contraignant, ce peut ĂȘtre, par exemple, un assemblage par clippage.So that the head remains assembled with the fixed point, it is necessary to provide fastening means (not shown) between these two parts. These two parts are weakly used in use. The sizing of these means is not binding, it may be, for example, an assembly by clipping.

Avantageusement, la barre de verrouillage est Ă©galement immobilisĂ©e en rotation autour de l'axe du tube, Ă  la fois du cotĂ© de la patte Ă©lastique et du cotĂ© du corps du point fixe. Cela a pour effet de renforcer la tenue d'arrĂȘt en rotation de la patte Ă©lastique. En consĂ©quence, un couple exercĂ© sur le tube peut ĂȘtre principalement ou exclusivement transmis au corps du point fixe via les pattes Ă©lastiques. L'effort est transmis Ă  la protubĂ©rance via l'ouverture du tube. Il est ensuite transmis Ă  la barre de verrouillage via le contact entre les faces 28a ou 29a de la patte Ă©lastique et 38 ou 39 de la barre. Le couple est alors transmis au corps du point fixe via le contact entre les faces 39 ou 38 de la barre et 29b ou 28b du corps du point fixe. Il est ensuite transmis Ă  la tĂȘte, par exemple par obstacle grĂące Ă  des formes appropriĂ©es (non reprĂ©sentĂ©es). Plus il y a de pattes Ă©lastiques, meilleure est la rĂ©partition de l'effort. Le dimensionnement des pattes Ă©lastiques peut ainsi ĂȘtre optimisĂ©. Si le dimensionnement ne permet pas de transmettre le couple souhaitĂ©, des encoches peuvent ĂȘtre amĂ©nagĂ©es sur le tube de maniĂšre Ă  coopĂ©rer avec des ergots correspondants sur le point fixe. Et enfin, l'effort est transmis Ă  un support fixĂ© sur le bĂąti via des surfaces d'interface (non reprĂ©sentĂ©es) de la tĂȘte. Ainsi, pour s'adapter aux diffĂ©rents supports du marchĂ©, seule la tĂȘte est Ă  changer, le reste de l'actionneur Ă©tant standard.Advantageously, the locking bar is also immobilized in rotation around the axis of the tube, both on the side of the elastic tab and on the side of the body of the fixed point. This has the effect of reinforcing the rotational stop of the elastic tab. As a result, a torque exerted on the tube can be mainly or exclusively transmitted to the body of the fixed point via the elastic tabs. The force is transmitted to the protuberance via the opening of the tube. It is then transmitted to the locking bar via the contact between the faces 28a or 29a of the elastic tab and 38 or 39 of the bar. The torque is then transmitted to the body of the fixed point via the contact between the faces 39 or 38 of the bar and 29b or 28b of the body of the fixed point. It is then transmitted to the head, for example by obstacle through appropriate forms (not shown). The more elastic legs, the better the distribution of the effort. The dimensioning of the elastic tabs can thus be optimized. If the dimensioning does not allow to transmit the desired torque, notches can be arranged on the tube so as to cooperate with corresponding lugs on the fixed point. And finally, the force is transmitted to a support fixed on the frame via interface surfaces (not shown) of the head. Thus, to adapt to different media market, only the head is to change, the rest of the actuator is standard.

Dans la variante dĂ©crite prĂ©cĂ©demment, les moyens de verrouillage sont intĂ©grĂ©s sur une tĂȘte rapportĂ©e sur le point fixe. Selon une autre variante, le verrouillage des clips est activĂ© suite Ă  l'enfichage de la prise du cĂąble d'alimentation dans le point fixe. Dans encore une autre variante, les moyens de verrouillage peuvent aussi ne pas avoir d'autre fonction que le verrouillage des pattes Ă©lastiques.In the variant described above, the locking means are integrated on a head attached to the fixed point. According to another variant, the locking of the clips is activated following the plugging of the plug of the power cable into the fixed point. In yet another variant, the locking means may also have no function other than the locking of the elastic tabs.

Des pattes Ă©lastiques telles que dĂ©crites permettent d'offrir une bonne rĂ©sistance d'arrĂȘt en translation axiale, et nĂ©cessitent un faible effort dans une direction perpendiculaire pour dĂ©monter l'assemblage.Elastic tabs as described allow to offer a good stop resistance in axial translation, and require a low force in a perpendicular direction to disassemble the assembly.

Dans le mode de rĂ©alisation dĂ©crit, les pattes Ă©lastiques sont disposĂ©es sur le point fixe mais elles peuvent faire partie du tube. D'autre part, il n'est pas nĂ©cessaire d'avoir des ouvertures dĂ©bouchantes sur le tube, des bossages sur le tube peuvent permettre l'arrĂȘt axial. L'ouverture dĂ©bouchante peut servir uniquement au dĂ©sengagement des pattes Ă©lastiques et non Ă  la tenue axiale. Dans le mode de rĂ©alisation dĂ©crit, les moyens d'arrĂȘt comprennent des pattes Ă©lastiques s'Ă©tendant longitudinalement. Cependant, il pourrait s'agir notamment d'ergots escamotables ou de tout autre moyen de clippage.In the embodiment described, the elastic tabs are arranged on the fixed point but they may be part of the tube. On the other hand, it is not necessary to have openings opening on the tube, bosses on the tube can allow the axial stop. The opening opening can be used only for the disengagement of the elastic tabs and not the axial resistance. In the embodiment described, the stop means comprise elastic tabs extending longitudinally. However, it could be including retractable lugs or any other clipping means.

Dans un deuxiĂšme mode de rĂ©alisation, dĂ©crit ci-aprĂšs en rĂ©fĂ©rence aux figures 6 Ă  9 la fonction d'arrĂȘt en translation du point fixe 220 dans le tube 210 est assurĂ©e par des moyens d'arrĂȘt comprenant une dĂ©formation 211 du tube 210, un billage par exemple. Cette variante assure une meilleure Ă©tanchĂ©itĂ© de l'actionneur car elle supprime une possibilitĂ© d'entrĂ©e d'eau par rapport Ă  une solution avec une ouverture. Les moyens d'arrĂȘt comprennent Ă©galement, sur le point fixe 220, une protubĂ©rance 221 en forme de U. Cette protubĂ©rance est disposĂ©e sur le diamĂštre extĂ©rieur du corps du point fixe pĂ©nĂ©trant dans le tube. Ce diamĂštre extĂ©rieur est dimensionnĂ© de maniĂšre Ă  ce que le point fixe puisse s'insĂ©rer dans le tube aprĂšs qu'il soit dĂ©formĂ©. La protubĂ©rance s'Ă©tend radialement jusqu'Ă  un diamĂštre lĂ©gĂšrement infĂ©rieur au diamĂštre intĂ©rieur du tube. Le point fixe comporte aussi des moyens de verrouillage. Ces moyens de verrouillage comprennent une patte Ă©lastique 232, disposĂ©e Ă©galement sur le diamĂštre extĂ©rieur du corps du point fixe et, s'Ă©tendant jusqu'Ă  un diamĂštre supĂ©rieur au diamĂštre intĂ©rieur du tube et lĂ©gĂšrement infĂ©rieur au diamĂštre extĂ©rieur du tube. Ces moyens de verrouillage comprennent aussi une extrĂ©mitĂ© du tube destinĂ©e Ă  coopĂ©rer par contact avec la patte Ă©lastique. L'assemblage de ces piĂšces demande des opĂ©rations spĂ©cifiques. Le point fixe est orientĂ© par rapport au billage du tube, c'est-Ă -dire, en mĂ©nageant un dĂ©calage angulaire de la protubĂ©rance de maniĂšre Ă  ce qu'elle ne bute pas contre la dĂ©formation du tube lors de l'insertion du point fixe. Pour que la protubĂ©rance dĂ©passe la dĂ©formation du tube, la patte Ă©lastique doit ĂȘtre dĂ©formĂ©e en flexion, permettant ainsi d'insĂ©rer plus profondĂ©ment le point fixe dans le tube. Une fois insĂ©rĂ© dans le tube, le point fixe est tournĂ© de maniĂšre Ă  aligner la dĂ©formation du tube avec le U de la protubĂ©rance. Il suffit alors de tirer le point fixe pour que la dĂ©formation du tube se positionne Ă  l'intĂ©rieur du U et que la patte Ă©lastique reprenne, par son Ă©lasticitĂ©, sa position de repos. Cette solution permet ainsi une bonne tenue d'arrĂȘt axial du point fixe dans le tube ainsi qu'une bonne reprise de couple. Il est prĂ©fĂ©rable d'avoir au moins deux dĂ©formations coopĂ©rant avec deux protubĂ©rances en U et deux pattes Ă©lastiques.In a second embodiment, described below with reference to Figures 6 to 9 the stop function in translation of the fixed point 220 in the tube 210 is provided by stop means comprising a deformation 211 of the tube 210, a blasting for example. This variant ensures a better seal of the actuator because it removes a possibility of entry of water with respect to a solution with an opening. The stop means also comprise, on the fixed point 220, a protuberance 221 U-shaped. This protuberance is disposed on the outside diameter of the body of the fixed point penetrating into the tube. This outside diameter is dimensioned so that the fixed point can be inserted into the tube after it is deformed. The protuberance extends radially to a diameter slightly less than the inside diameter of the tube. The fixed point also comprises locking means. These locking means comprise an elastic tab 232, also arranged on the outer diameter of the body of the fixed point and extending to a diameter greater than the inner diameter of the tube and slightly smaller than the outer diameter of the tube. These locking means also comprise an end of the tube intended to cooperate by contact with the elastic tab. The assembly of these parts requires specific operations. The fixed point is oriented relative to the blasting of the tube, that is to say, by providing an angular offset of the protuberance so that it does not abut against the deformation of the tube during the insertion of the point fixed. In order for the protuberance to exceed the deformation of the tube, the elastic tab must be deformed in flexion, thus allowing the fixed point to be inserted deeper into the tube. Once inserted in the tube, the fixed point is rotated so as to align the deformation of the tube with the U of the protuberance. It is then sufficient to pull the fixed point so that the deformation of the tube is positioned inside the U and that the elastic tab resumes, by its elasticity, its rest position. This solution thus provides good axial stopping resistance of the fixed point in the tube as well as good torque recovery. It is preferable to have at least two deformations cooperating with two U-shaped protuberances and two elastic tabs.

Concernant le moyen d'arrĂȘt prĂ©vu sur le point fixe, celui-ci peut ĂȘtre en creux plutĂŽt qu'en relief comme illustrĂ© Ă  la figure 10. Le corps du point fixe peut avoir un diamĂštre extĂ©rieur proche du diamĂštre intĂ©rieur du tube, assurant ainsi un meilleur guidage dans le tube lors de son insertion. Le corps est muni de rainures 323 formant un chemin permettant de guider la dĂ©formation du tube jusqu'Ă  une zone de blocage 321 correspondant au U dans le mode de rĂ©alisation dĂ©crit prĂ©cĂ©demment. Les moyens de verrouillage 332 sont analogues Ă  ceux de la solution prĂ©cĂ©dente.Regarding the stop means provided on the fixed point, it may be hollow rather than raised as shown in FIG. figure 10 . The body of the fixed point may have an outer diameter close to the inside diameter of the tube, thus ensuring better guidance in the tube during its insertion. The body is provided with grooves 323 forming a path for guiding the deformation of the tube to a locking zone 321 corresponding to the U in the embodiment described above. The locking means 332 are similar to those of the previous solution.

De multiples variantes de ce mode de rĂ©alisation peuvent ĂȘtre envisagĂ©es reprenant le principe de baĂŻonnette. Les alternatives peuvent concerner d'autres moyens de verrouillage, en lieu et place de la patte Ă©lastique. On peut ainsi fixer une tĂȘte sur le point fixe, celle-ci devant maintenir le U de la protubĂ©rance autour de la dĂ©formation du tube. Une telle solution est illustrĂ©e Ă  la figure 11 oĂč une tĂȘte 430 est rapportĂ©e sur un point fixe 420. Cette tĂȘte dispose de forme 432 permettant de positionner le point fixe par rapport au tube 410. L'assemblage entre le point fixe et la tĂȘte peut ĂȘtre rĂ©alisĂ© de multiples façons, clippage, baĂŻonnette...Multiple variants of this embodiment can be envisaged using the principle of bayonet. The alternatives may relate to other locking means, in place of the elastic tab. It is thus possible to fix a head on the fixed point, this one in front of keep the U of the protuberance around the deformation of the tube. Such a solution is illustrated in figure 11 where a head 430 is attached to a fixed point 420. This head has a shape 432 for positioning the fixed point relative to the tube 410. The assembly between the fixed point and the head can be achieved in multiple ways, clipping, bayonet ...

Autrement dit, l'actionneur tubulaire selon l'invention comprend :

  • un tube 10 muni d'un premier moyen d'arrĂȘt 11, 211, 411,
  • un point fixe 20, 220, 420 muni d'un deuxiĂšme moyen d'arrĂȘt 21, 221,321,421,
ledit point fixe Ă©tant au moins partiellement insĂ©rĂ© dans le tube par une de ses extrĂ©mitĂ©s et pouvant ĂȘtre positionnĂ© par rapport au tube de sorte que le premier et deuxiĂšme moyens d'arrĂȘt coopĂšrent afin de bloquer le mouvement axial du point fixe par rapport au tube. L'actionneur tubulaire comprend des moyens de verrouillage 32, 232, 432 qui, lorsqu'ils sont activĂ©s, permettent de maintenir les premier et deuxiĂšme moyens d'arrĂȘt dans une position de coopĂ©ration.In other words, the tubular actuator according to the invention comprises:
  • a tube 10 provided with a first stop means 11, 211, 411,
  • a fixed point 20, 220, 420 provided with a second stop means 21, 221, 321, 421,
said fixed point being at least partially inserted into the tube at one of its ends and positionable relative to the tube so that the first and second stop means cooperate to block the axial movement of the fixed point relative to the tube. The tubular actuator comprises locking means 32, 232, 432 which, when activated, make it possible to maintain the first and second stop means in a cooperation position.

D'autres solutions combinant les diffĂ©rents modes de rĂ©alisation dĂ©crits peuvent ĂȘtre envisagĂ©es.Other solutions combining the different embodiments described can be envisaged.

Claims (11)

  1. A tubular actuator (1) of a home-automation screen comprising:
    - a tube (10),
    - a fixed point (20; 220; 420) at least partially inserted into the tube through one of its ends, and
    - stopping means (21, 11; 221, 211; 321; 421; 411) for stopping the fixed point movement relative to the tube, at least in translation,
    characterized in that the tubular actuator comprises locking means (32; 232; 432) for locking the stopping means.
  2. The tubular actuator as claimed in claim 1, characterized in that the stopping means comprise a first means (21; 221; 321; 421) on the fixed point and a second means (11; 211; 411) on the tube, the first and the second means interacting as an obstacle.
  3. The tubular actuator as claimed in the preceding claim, characterized in that the first means (21) is an elastic means.
  4. The tubular actuator as claimed in the claim 2 or 3, characterized in that the second means (11) is a hole.
  5. The tubular actuator as claimed in one of the preceding claims, characterized in that the stopping means make it possible to stop the fixed point from rotating in the tube.
  6. The tubular actuator as claimed in one of the claims 2 to 5, characterized in that the locking means (32) secure in rotation the first means (21) and the body (20C) of the fixed point or enhance the torque that can be transmitted from the first means to the body of the fixed point.
  7. The tubular actuator as claimed in one of the preceding claims, characterized in that the locking means comprises a part designed to be housed in a fixed support on a building.
  8. The tubular actuator as claimed in one of the preceding claims, characterized in that the locking means comprises a part (30) being engaged at least partially in translation in the fixed point.
  9. The tubular actuator as claimed in one of the preceding claims, characterized in that the locking means comprises an electric power outlet of the actuator.
  10. The tubular actuator as claimed in one of claims 1 to 7, characterized in that the locking means comprises an elastic tab (232; 332; 432) coming to rest against one end of the tube.
  11. A home-automation installation characterized in that it comprises a tubular actuator as claimed in one of claims 1 to 10.
EP08789503.3A 2007-08-01 2008-07-31 Tubular actuator for driving a home automation screen Active EP2183458B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0705633A FR2919658B1 (en) 2007-08-01 2007-08-01 TUBULAR ACTUATOR FOR DRIVING A DOMOTIC SCREEN
PCT/IB2008/053071 WO2009016601A2 (en) 2007-08-01 2008-07-31 Tubular actuator for driving a home automation screen

Publications (2)

Publication Number Publication Date
EP2183458A2 EP2183458A2 (en) 2010-05-12
EP2183458B1 true EP2183458B1 (en) 2017-01-11

Family

ID=39321258

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08789503.3A Active EP2183458B1 (en) 2007-08-01 2008-07-31 Tubular actuator for driving a home automation screen

Country Status (6)

Country Link
US (1) US20100200176A1 (en)
EP (1) EP2183458B1 (en)
KR (1) KR20100052485A (en)
CN (1) CN101802341B (en)
FR (1) FR2919658B1 (en)
WO (1) WO2009016601A2 (en)

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CA2850456C (en) 2011-10-03 2020-08-18 Hunter Douglas Inc. Methods and apparatus to control architectural opening covering assemblies
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FR2992114B1 (en) 2012-06-13 2016-08-19 Somfy Sas MOTORIZED MANEUVER DEVICE FOR MANEUVERING A MOBILE SCREEN WITH A WINDABLE CANVAS OF A WINDOW COVER OR PROJECTION SCREEN DEVICE.
US10934773B2 (en) 2012-06-13 2021-03-02 Somfy Activites Sa Motorized manoeuvring device intended to manoeuvre a moving windable fabric screen of a window or projection screen cover device
CA2828819C (en) 2012-10-03 2020-03-10 Hunter Douglas Inc. Methods and apparatus to control an architectural opening covering assembly
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FR3072118B1 (en) * 2017-10-10 2019-11-08 Somfy Activites Sa TUBULAR ELECTROMECHANICAL ACTUATOR AND DOMOTIC INSTALLATION COMPRISING SUCH ACTUATOR
FR3072115B1 (en) * 2017-10-10 2019-11-08 Somfy Activites Sa TUBULAR ELECTROMECHANICAL ACTUATOR, DOMOTIC INSTALLATION COMPRISING SUCH ACTUATOR AND METHOD OF ASSEMBLING SUCH ACTUATOR
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Also Published As

Publication number Publication date
FR2919658B1 (en) 2009-10-30
US20100200176A1 (en) 2010-08-12
EP2183458A2 (en) 2010-05-12
CN101802341B (en) 2012-06-20
FR2919658A1 (en) 2009-02-06
KR20100052485A (en) 2010-05-19
WO2009016601A2 (en) 2009-02-05
CN101802341A (en) 2010-08-11
WO2009016601A3 (en) 2009-04-02

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