EP2840220B1 - Control system for blind slats - Google Patents

Control system for blind slats Download PDF

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Publication number
EP2840220B1
EP2840220B1 EP14179589.8A EP14179589A EP2840220B1 EP 2840220 B1 EP2840220 B1 EP 2840220B1 EP 14179589 A EP14179589 A EP 14179589A EP 2840220 B1 EP2840220 B1 EP 2840220B1
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EP
European Patent Office
Prior art keywords
connecting rod
control system
segment
endless screw
blind
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EP14179589.8A
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German (de)
French (fr)
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EP2840220A1 (en
EP2840220B8 (en
Inventor
Patrick Lahbib
Cédric Roz
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Hydro Building Systems France SARL
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Hydro Building Systems France SARL
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Publication of EP2840220A1 publication Critical patent/EP2840220A1/en
Publication of EP2840220B1 publication Critical patent/EP2840220B1/en
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Publication of EP2840220B8 publication Critical patent/EP2840220B8/en
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    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
    • E06B7/08—Louvre doors, windows or grilles
    • E06B7/084—Louvre doors, windows or grilles with rotatable lamellae
    • E06B7/086—Louvre doors, windows or grilles with rotatable lamellae interconnected for concurrent movement
    • E06B7/096—Louvre doors, windows or grilles with rotatable lamellae interconnected for concurrent movement operated or interconnected by gearing

Definitions

  • the present invention relates to a control system of leaf blades.
  • a jalousie is a joinery intended to close an opening made in a wall, or bay, using vertical or horizontal blades (the most common case) mounted pivoting.
  • the blades are generally all arranged substantially parallel to each other and rotate so as to achieve a closure of the bay, or to allow aeration. In the closed position, the blades can be coplanar and come into contact with one another to ensure a closure, or arranged relative to each other so as to achieve a partial recovery in the manner of tiles.
  • control means are provided to allow a simultaneous rotation of the blades of the blind.
  • the present invention relates more particularly to a jalousie for which a control system acts simultaneously on all or part of the blades.
  • the jalousie usually has a rectangular frame with two lateral uprights connected by two sleepers.
  • the blades are integral with an axis whose ends are mounted in the lateral uprights (for horizontal blades) or in the sleepers (for vertical blades).
  • the control of opening and closing of the blind, and thus the pivoting of the blades is effected by a system with rod and links arranged on either side of the blades.
  • Each blade carries at each of its ends a member called a driver and which is screwed to a connecting rod of the control system.
  • a control handle then acts on a rod connecting the links on one side of the blades so as to cause a translation of the rod and thereby a rotation of the rods which then actuate the blades.
  • each blade end on the side of the control system, a toothed wheel, or at least a gear portion.
  • the corresponding toothing is for example made integral with the trainer by matching shape and by screwing and also engages with a worm.
  • the worm can be driven by a rod coupled to a motor.
  • the rod coupled to a motor can then pass inside each worm.
  • the associated motor then simultaneously controls the rotation of all the blades of the blind.
  • a similar system is known from the document CN 2861439 Y .
  • the purpose of the present invention is therefore to provide a control system for shutter blades making it easier to assemble and / or dismount a blade without dismantling the entire blind.
  • the proposed system will cost less compared to comparable systems already known and / or will be faster to integrate into a carpentry.
  • the connecting rod is made of several sections, a section corresponding in each case to a worm; each section can slide longitudinally relative to the bores of the worm, and at least one stop is provided on a section so as to limit the sliding of said section relative to the inner longitudinal bore of the corresponding worm.
  • connecting rod sections can be slid to each to make a connection with a neighboring worm or be interconnected by connecting means, for example in the form of a connecting sleeve.
  • each inner longitudinal bore of an endless screw has a square section
  • each connecting rod portion has an overall shape of a square section bar of dimensions adapted to allow sliding guided within each inner longitudinal bore.
  • a preferred embodiment provides that the stop is formed by a collar made on the connecting rod section. This gives a stop on the entire periphery of the connecting rod section.
  • each connecting rod section connects two adjacent worms
  • the leaf blade control system further comprises means for maintaining a stop formed on a link rod section remote from a worm.
  • These latter means are for example in the form of a profiled spacer of open section having a bottom and two elastic branches and dimensioned so that the space between the bottom and the two branches can accommodate a connecting rod section portion and that the elastic branches then bear on said portion.
  • all connecting rod sections are preferably similar (and therefore interchangeable).
  • a junction between two adjacent sections is preferably made at a worm screw to avoid having specific connection means between two connecting rod sections.
  • this junction will be substantially in the center of each inner longitudinal bore.
  • each worm is mounted in a connecting box also containing the toothed sector, said housing being traversed by a drive shaft.
  • the figures 1 and 2 illustrate a shamey according to the present invention.
  • a jalousie comprises two lateral uprights 2, a lower crossbar 4, an upper crossbar 6 and blades 8 pivotally mounted between the lateral uprights 2.
  • the blades 8 are illustrated in the same intermediate position between a position called closed position in which all the blades 8 would be coplanar corresponding to a closed position of the blind and a position called open position in which all the blades 8 would be rotated about 90 ° from the closed position.
  • Each lateral upright 2 comprises a U-shaped section 10 and a cover 12 intended to close the profile 10 by connecting the free ends of the branches of the U of the profile 10.
  • a profile 10 has not been illustrated so as to show a control system for the blades 8 for controlling the passage of these blades from the open position to the closed position, or vice versa.
  • the figures 2 and 3 show the presence of a mounted box 14 mounted at one end of each blade 8.
  • Means described below allow to connect the connecting boxes 14. These means are for example driven by a motor (not shown) can take place in a cross, or a side jamb.
  • FIG 4 illustrates in perspective and on an enlarged scale a connecting housing 14.
  • a connecting housing 14 comprises an outer casing and elements arranged wholly or partially inside the outer casing.
  • the outer casing of the connecting box 14 illustrated here comprises two half-shells assembled by screws (not shown) and a fastening clip 16.
  • the overall shape of the outer casing is parallelepiped with two main lateral faces.
  • a first half-shell carries a first side face 18 while a second half-shell carries a second side face 20 which extends parallel to the first side face 18 and is substantially symmetrical.
  • the two half-shells are held together by screws and the fastening clip 16 allows to perfect the maintenance of the two half-shells.
  • It is a piece of U-shaped synthetic material with two elastic branches that pinches between its two branches one side of the two half-shells when they are assembled.
  • the first lateral face 18 carries a first longitudinal groove 22 and a second longitudinal groove 24.
  • the second lateral face 20 also carries a first longitudinal groove 22 and a second longitudinal groove 24.
  • These grooves being arranged symmetrically and having substantially the same shapes, the same reference 22 is used to designate the first two grooves and the same reference 24 is used to designate the two second grooves.
  • the first longitudinal groove 22 of the first side face 18 does not appear because it is slightly shortened to allow the passage of an assembly screw of the two half-shells of the outer casing of the connecting box 14.
  • a worm 26 is disposed longitudinally in the connecting housing 14 and extends parallel to the first side face 18 and the second side face 20 (and parallel to the grooves on these faces).
  • the worm 26 has a tubular shape. She presents here a longitudinal hole 38 of square section which passes through the endless screw from one side to the other. On its outer face, the worm 26 has a thread in its central part and bearings at both ends.
  • the outer casing of the connecting box 14 is shaped so that the wall of said casing forms two bearings for receiving the ends of the worm 26 and guide the latter in rotation.
  • a transverse axis 28 traverses both the first lateral face 18 and the second lateral face 20.
  • This transverse axis 28 is integral with a toothed sector 30 in engagement with the worm 26 as illustrated in FIG. figure 5 .
  • the toothed sector substantially corresponds to the rotating stroke of a blade 8. In this case, for a blade 8 that can pivot about 90 °, the toothed sector extends over a little more than 90 °.
  • this transverse axis 28 is prestressed. Indeed, this transverse axis 28 has a cam 32 on which bears a telescopic arm 34 whose free end is adapted to the shape of the cam 32 to engage therewith.
  • the telescopic arm 34 is pivotally mounted at its other end about an axis 36.
  • a not shown spring for example a helical spring, is mounted around the arm 34 which thus exerts an elastic return stress on the transverse axis 28. through the cam 32.
  • Each end of the transverse axis 28 protruding out of the outer casing of the connecting box 14 has a circular cylindrical shape in the center of which a square recess is formed.
  • one side of this square is fully open so that each end of the transverse axis 28 is in the form of a stirrup inscribed in a circular cylinder and having three internal faces: a bottom 40 plane and two lateral wings 42 planes also and extending perpendicularly to the bottom 40.
  • the transverse axis 28 shown (for example on the Figures 4 to 7 ) further has a boss 44 at its periphery. This boss 44 forms a stop intended to cooperate with an abutment described below.
  • each transverse axis 28 is intended to cooperate with a trainer 46 which is generally in the form of a part cylindrical square section.
  • One end of the driver 46 takes place in the stirrup formed at the corresponding end of the transverse axis 28 while its other end cooperates with an axis carrying the blade 8.
  • the end of the driver 46 is slotted longitudinally. This form allows a connection with an axis and more generally with a jalousie blade assembly which will not be detailed here.
  • the trainer 46 has a square section because it is the most commonly encountered form for the assembly of jalousie blades.
  • the trainer can for example have a circular cylindrical end with only two opposite flats. It is also possible to provide sections of polygonal shape. It will be more like hexagonal or octagonal sections.
  • the connecting box 14 being disposed inside the profile 10 and the blade 8 being outside this profile, the trainer 46 which connects the connecting box 14 to the blade 8 thus crosses a wall of this profile.
  • a passage hole is therefore provided in the profile 10 at each blade 8.
  • a driver bearing 48 is provided at each passage hole for holding and guiding the driver 46 which has at the level of the bearing 48 is a circular section.
  • FIGS. 6 and 7 show two examples of mounting in the profile 10 of a control system of the position of the blades 8.
  • the connecting box 14 is positioned against the wall of the profile 10 located on the side of the blades 8 (that is to say the wall of the section through which the driver 46).
  • the profile 10 has on this wall a first longitudinal groove 52 intended to cooperate with the corresponding first groove 22 of the connecting box 14 and a second longitudinal groove 54 intended to cooperate with the corresponding second groove 24 of the connecting box 14.
  • the first longitudinal groove 52 and the second longitudinal groove 54 are open towards the open face of the profile 10 (and closed by the lid 12).
  • the mounting of the connecting box 14 in the section 10 is then simple and easy.
  • the blade control system 8 of a louver is mounted after assembly of the blades 8 on the frame comprising the two lateral uprights 2, the lower cross member 4 and the top rail 6.
  • the drivers 46 are in place and exceed inside the profile 10.
  • each connecting box 14 is introduced into the profile 10 so that each first groove 22 of the connecting boxes 14 comes to cooperate with the first longitudinal groove 52 of the profile 10.
  • the outer edge that is to say remote from the lateral face of the connecting box
  • the first groove 22 is introduced into the first longitudinal groove 52 of the profile.
  • each second groove 24 cooperates with the second longitudinal groove 54 of the profile 10.
  • Each connecting box 14 is thus guided longitudinally in translation in the section 10.
  • the connecting boxes 14 In the design of the blind that when it is laid flat on a work plan (frame and blades horizontally) that the drivers 46 are oriented so that the square section opening into the profile has two faces extending longitudinally. All that remains then is to ensure then a correct positioning of the stirrup end of the transverse axes 28.
  • the boss 44 can be a reference to facilitate the control of the correct orientation of the transverse axis 28 of a box of link 14.
  • the connecting boxes 14 to the trainers 46 the transverse axes 28 will automatically take place on the trainers 46.
  • the displacement of the connecting boxes 14 to the trainers 46 is in the sense of gravity.
  • the connecting boxes 14 are held in position by gravity as well as by the cooperation of the grooves of the profile with the corresponding grooves of the connecting housings 14.
  • the transverse axis 28 has rotated 90 °, the first groove 22 and the second groove 24 of each connecting housing 14 can then out of the first longitudinal groove 52 and the second longitudinal groove 54 respectively.
  • the boss 44 mentioned above and made on the axis transverse 28 of each connecting box 14 then cooperates with the second longitudinal groove 54 to prevent such movement and thus ensure perfect guidance and maintenance of the system in all positions of the blades 8.
  • the montage illustrated on the figure 7 is not described in detail. It is proposed here to mount the connecting boxes 14 not on the wall of the profile 10 located on the side of the blades 8 but on the opposite wall. It is then on this opposite wall that then lie the first longitudinal groove 52 and the second longitudinal groove 54 of the profile 10. In this configuration, it is appropriate to adapt the length of the trainer 46. To better maintain the latter, it is then also possible to provide a holding clip 56 on the drive 46 between the wall of the profile 10 traversed by the trainer 46 and the connecting box 14.
  • FIGS. 8 and 9 illustrate a preferred embodiment according to the invention in which there are as many rod sections 58 as connecting boxes 14 to form a connecting rod between the connecting boxes 14 as explained below.
  • Each connecting rod section 58 is in the form of a longitudinal piece with a square section fitted inside the worm 26 with a collar 60 placed at an intermediate position on the section 58.
  • the figure 8 shows two sections 58 of adjacent rods in a position for the connection between them connecting boxes. To show these sections well, the figure 8 does not show an outer casing of a connecting box, nor the corresponding worm. It can then be seen that two neighboring sections 58 meet opposite the toothed sector 30, that is to say inside the worm which has not been shown to allow the junction zone to be seen.
  • a spacer 62 is disposed between the lower connecting box 14 and the collar 60 of the first section 58 (starting from the bottom), and more precisely between the worm 26 of the lower connecting box 14 and the neck 60 mentioned above. When the spacer 62 is positioned, all the sections 58 are then positioned.
  • the spacer 62 is a C-shaped piece designed to grip a portion of square section of a connecting rod section 58.
  • the figure 9 illustrates the removal of the spacer 62 illustrated on the figure 8 .
  • the connecting rod section 58 can then slide downwards. Its downward movement is blocked when the collar 60 of the section comes into contact with the worm 26 of the lower connecting box 14.
  • the other section 58 of the figure 9 was not moved in relation to his position from the figure 8 but it is clear that by gravity, once the spacer 62 removed, all sections 58 slide down until their collars 60 abut.
  • each connection box is then possible by performing a first translational movement upwards to clear the transverse axis 28 of the driver 46 and a second translational movement to remove the connecting box 14 from its profile 10.
  • the assembly and disassembly of the control system of the blades of the blind is easy and quick to achieve.
  • the proposed solution therefore saves time when mounting the control system and allows intervention on this easy control system even when the corresponding jalousie is sealed in a bay.
  • Binding boxes can correspond to several types of coach from the moment these coaches have the same terminal square section.
  • the fact of having sections of connecting rod also makes it possible to adapt the number of blades on a blind with the same sections of blades, only the number of sections used varies.

Description

La présente invention concerne un système de commande de lames de jalousie.The present invention relates to a control system of leaf blades.

Une jalousie est une menuiserie destinée à réaliser la fermeture d'une ouverture réalisée dans une paroi, ou baie, à l'aide de lames verticales ou horizontales (cas le plus fréquent) montées pivotantes. Les lames sont généralement toutes disposées sensiblement parallèlement les unes par rapport aux autres et pivotent de manière soit à réaliser une fermeture de la baie, soit à permettre une aération. En position fermée, les lames peuvent être soit coplanaires et venir au contact l'une de l'autre pour assurer une fermeture, soit disposées les unes par rapport aux autres de manière à réaliser un recouvrement partiel à la manière de tuiles. Généralement, des moyens de commande sont prévus pour permettre une rotation simultanée des lames de la jalousie.A jalousie is a joinery intended to close an opening made in a wall, or bay, using vertical or horizontal blades (the most common case) mounted pivoting. The blades are generally all arranged substantially parallel to each other and rotate so as to achieve a closure of the bay, or to allow aeration. In the closed position, the blades can be coplanar and come into contact with one another to ensure a closure, or arranged relative to each other so as to achieve a partial recovery in the manner of tiles. Generally, control means are provided to allow a simultaneous rotation of the blades of the blind.

La présente invention concerne plus particulièrement une jalousie pour laquelle un système de commande agit simultanément sur tout ou partie des lames. La jalousie présente habituellement un châssis rectangulaire avec deux montants latéraux reliés par deux traverses. Les lames sont solidaires d'un axe dont les extrémités sont montées dans les montants latéraux (pour des lames horizontales) ou dans les traverses (pour des lames verticales). Classiquement, la commande d'ouverture et de fermeture de la jalousie, et donc le pivotement des lames, s'effectue par un système à tringle et biellettes disposé de part et d'autre des lames. Chaque lame porte à chacune de ses extrémités un élément appelé entraîneur et qui est relié par vissage à une biellette du système de commande. Une poignée de commande agit alors sur une tringle reliant les biellettes d'un côté des lames de manière à provoquer une translation de la tringle et par là une rotation des biellettes qui actionnent alors les lames.The present invention relates more particularly to a jalousie for which a control system acts simultaneously on all or part of the blades. The jalousie usually has a rectangular frame with two lateral uprights connected by two sleepers. The blades are integral with an axis whose ends are mounted in the lateral uprights (for horizontal blades) or in the sleepers (for vertical blades). Conventionally, the control of opening and closing of the blind, and thus the pivoting of the blades, is effected by a system with rod and links arranged on either side of the blades. Each blade carries at each of its ends a member called a driver and which is screwed to a connecting rod of the control system. A control handle then acts on a rod connecting the links on one side of the blades so as to cause a translation of the rod and thereby a rotation of the rods which then actuate the blades.

Dans les jalousies connues de ce type, le vissage de chaque biellette sur l'entraineur correspondant s'effectue dans l'axe des lames mobiles. De ce fait, lorsque le châssis est monté dans une baie, les vis ne peuvent plus être retirées et les lames ne peuvent donc pas être changées sans avoir à démonter toute la jalousie avec son châssis.In the known jalousies of this type, the screwing of each rod on the corresponding trainer takes place in the axis of the movable blades. Therefore, when the chassis is mounted in a bay, the screws can not be removed and the blades can not be changed without having to disassemble the entire blind with its chassis.

Un autre inconvénient de ce type de montage est qu'il est long à mettre en oeuvre et de ce fait son prix de revient est élevé.Another disadvantage of this type of assembly is that it is long to put implemented and therefore its cost price is high.

La structure décrite avec une tringle mobile en translation qui commande le mouvement des biellettes afin d'induire un mouvement des lames est en outre difficilement motorisable. Pour pallier cet inconvénient, il est connu d'équiper chaque extrémité de lame, du côté du système de commande, d'une roue dentée, ou tout du moins d'une portion de roue dentée. La denture correspondante est par exemple rendue solidaire de l'entraineur par concordance de forme et par vissage et vient par ailleurs en prise avec une vis sans fin. La vis sans fin peut être entrainée par une tige couplée à un moteur. Pour une jalousie, on peut prévoir des vis sans fin creuses. La tige couplée à un moteur peut alors passer à l'intérieur de chaque vis sans fin. Le moteur associé commande alors simultanément la rotation de l'ensemble des lames de la jalousie. Un système pareil est connu du document CN 2861439 Y .The structure described with a rod movable in translation which controls the movement of the rods to induce movement of the blades is also difficult to motorize. To overcome this drawback, it is known to equip each blade end, on the side of the control system, a toothed wheel, or at least a gear portion. The corresponding toothing is for example made integral with the trainer by matching shape and by screwing and also engages with a worm. The worm can be driven by a rod coupled to a motor. For a jealousy, we can provide hollow augers. The rod coupled to a motor can then pass inside each worm. The associated motor then simultaneously controls the rotation of all the blades of the blind. A similar system is known from the document CN 2861439 Y .

Le système évoqué au paragraphe précédent permet certes une motorisation d'une jalousie mais est également long et couteux à mettre en oeuvre et ne permet pas le changement d'une lame sans avoir à démonter toute la jalousie avec son châssis hors de la baie correspondante.The system mentioned in the preceding paragraph certainly allows a motorization of a blind but is also long and expensive to implement and does not allow the change of a blade without having to disassemble the entire blind with its chassis out of the corresponding bay.

La présente invention a alors pour but de fournir un système de commande de lames de jalousie permettant de faciliter un montage et/ou un démontage d'une lame sans avoir à démonter toute la jalousie.The purpose of the present invention is therefore to provide a control system for shutter blades making it easier to assemble and / or dismount a blade without dismantling the entire blind.

De préférence, le système proposé sera d'un prix de revient moindre par rapport aux systèmes comparables déjà connus et/ou sera plus rapide à intégrer dans une menuiserie.Preferably, the proposed system will cost less compared to comparable systems already known and / or will be faster to integrate into a carpentry.

À cet effet la présente invention propose un système de commande pour lames de jalousies comportant :

  • plusieurs axes d'entrainement montés chacun directement ou indirectement sur une lame de jalousie,
  • un secteur denté solidaire à chaque fois avec un axe d'entrainement,
  • une vis sans fin en prise à chaque fois avec un secteur denté présentant une forme tubulaire avec un alésage longitudinal intérieur et un filetage extérieur, et
  • une tige de liaison passant à travers plusieurs alésages de vis sans fin, la tige et les alésages étant configurés de manière à ce que la tige de liaison puisse entrainer en rotation lesdites vis sans fin.
For this purpose, the present invention proposes a control system for jalousie blades comprising:
  • several drive shafts mounted directly or indirectly on a blade of jealousy,
  • a toothed sector secured to each time with a drive shaft,
  • an endless screw engaged each time with a toothed sector having a tubular shape with an inner longitudinal bore and an external thread, and
  • a connecting rod passing through a plurality of worm bores, the rod and the bores being configured so that the rod of connection can drive in rotation said worm.

Selon la présente invention, la tige de liaison est réalisée en plusieurs tronçons, un tronçon correspondant à chaque fois à une vis sans fin ; chaque tronçon peut coulisser longitudinalement par rapport aux alésages des vis sans fin, et au moins une butée est prévue sur un tronçon de manière à permettre de limiter le coulissement dudit tronçon par rapport à l'alésage longitudinal intérieur de la vis sans fin correspondante.According to the present invention, the connecting rod is made of several sections, a section corresponding in each case to a worm; each section can slide longitudinally relative to the bores of the worm, and at least one stop is provided on a section so as to limit the sliding of said section relative to the inner longitudinal bore of the corresponding worm.

Ainsi selon la présente invention, il n'y a plus une seule tige de liaison pour relier toutes les vis sans fin mais un tronçon pour chaque vis sans fin. Ceci permet de monter individuellement pour chaque lame de jalousie les moyens correspondant du système de commande de façon entièrement indépendante du montage réalisé pour les autres lames de la même jalousie. Bien entendu, ceci est également valable pour le démontage d'une lame de jalousie.Thus according to the present invention, there is no longer a single connecting rod for connecting all the worm but a section for each worm. This makes it possible to mount individually for each shutter blade corresponding means of the control system completely independently of the assembly made for the other blades of the same jalousie. Of course, this is also valid for the dismantling of a blade of jealousy.

Une fois montés, les tronçons de tige de liaison peuvent être coulissés pour venir réaliser chacun une liaison avec une vis sans fin voisine ou bien être reliés entre eux par des moyens de liaison se présentant par exemple sous la forme d'une douille de liaison.Once mounted, the connecting rod sections can be slid to each to make a connection with a neighboring worm or be interconnected by connecting means, for example in the form of a connecting sleeve.

Dans une forme de réalisation de la présente invention, chaque alésage longitudinal intérieur d'une vis sans fin présente une section carrée, et chaque tronçon de tige de liaison présente une forme globale d'une barre de section carrée de dimensions adaptées à permettre un coulissement guidé à l'intérieur de chaque alésage longitudinal intérieur.In one embodiment of the present invention, each inner longitudinal bore of an endless screw has a square section, and each connecting rod portion has an overall shape of a square section bar of dimensions adapted to allow sliding guided within each inner longitudinal bore.

Une variante de réalisation préférée prévoit que la butée est formée par un collet réalisé sur le tronçon de tige de liaison. On obtient ainsi une butée sur tout le pourtour du tronçon de tige de liaison.A preferred embodiment provides that the stop is formed by a collar made on the connecting rod section. This gives a stop on the entire periphery of the connecting rod section.

Dans le cas où il est prévu que chaque tronçon de tige de liaison réalise une liaison entre deux vis sans fin voisine, on peut avantageusement prévoir que le système de commande de lames de jalousie comporte en outre des moyens permettant de maintenir une butée formée sur un tronçon de tige de liaison à distance d'une vis sans fin. Ces dernier moyens se présentent par exemple sous la forme d'une entretoise profilée de section ouverte présentant un fond et deux branches élastiques et dimensionnée de telle sorte que l'espace entre le fond et les deux branches puisse accueillir une portion de tronçon de tige de liaison et que les branches élastiques viennent alors en appui sur ladite portion.In the case where it is provided that each connecting rod section connects two adjacent worms, it is advantageous that the leaf blade control system further comprises means for maintaining a stop formed on a link rod section remote from a worm. These latter means are for example in the form of a profiled spacer of open section having a bottom and two elastic branches and dimensioned so that the space between the bottom and the two branches can accommodate a connecting rod section portion and that the elastic branches then bear on said portion.

Pour faciliter le montage d'un système de commande selon l'invention, tous les tronçons de tige de liaison sont de préférence semblables (et donc interchangeables).To facilitate the mounting of a control system according to the invention, all connecting rod sections are preferably similar (and therefore interchangeable).

En position montée des tronçons de tige de liaison, une jonction entre deux tronçons voisins se fait de préférence au niveau d'une vis sans fin afin d'éviter d'avoir des moyens de liaison spécifiques entre deux tronçons de tige de liaison. De préférence, cette jonction se fera sensiblement au centre de chaque alésage longitudinal intérieur.In the mounted position of the connecting rod sections, a junction between two adjacent sections is preferably made at a worm screw to avoid having specific connection means between two connecting rod sections. Preferably, this junction will be substantially in the center of each inner longitudinal bore.

Une forme de réalisation avantageuse facilitant le montage du système de commande prévoit par exemple que chaque vis sans fin est montée dans un boitier de liaison contenant également le secteur denté, ledit boitier étant traversé par un axe d'entrainement.An advantageous embodiment facilitating the mounting of the control system provides for example that each worm is mounted in a connecting box also containing the toothed sector, said housing being traversed by a drive shaft.

La présente invention concerne également une jalousie comportant :

  • un châssis avec deux montants profilés latéraux et deux traverses, et
  • des lames montées pivotantes entre les deux montants profilés latéraux,
caractérisée en ce qu'elle comporte en outre un système de commande tel que décrit plus haut.The present invention also relates to a jalousie comprising:
  • a frame with two lateral profile posts and two cross members, and
  • blades pivotally mounted between the two lateral profile posts,
characterized in that it further comprises a control system as described above.

Pour la motorisation d'une telle jalousie, on prévoit qu'elle présente un tronçon de tige de liaison pour relier une vis sans fin d'extrémité à un moteur.For the motorization of such a jalousie, it is expected that it has a connecting rod section to connect an endless screw to a motor.

Des détails et avantages de la présente invention apparaîtront mieux de la description qui suit, faite en référence au dessin schématique annexé sur lequel :

  • La figure 1 est une vue en perspective d'une jalousie selon la présente invention,
  • La figure 2 est une vue similaire à la figure 1 mais sans un profilé de manière à faire apparaître des éléments internes d'un système de commande de la jalousie,
  • La figure 3 montre un détail de la figure 2,
  • La figure 4 montre à échelle agrandie un boitier de liaison pouvant être mis en oeuvre dans la présente invention,
  • La figure 5 est une vue de face montrant l'intérieur du boitier de liaison de la figure 4,
  • La figure 6 est une vue de détail de dessus d'un premier mode de montage d'un boitier de liaison,
  • La figure 7 est une vue de détail de dessus d'un second mode de montage d'un boitier de liaison,
  • La figure 8 est une vue de côté illustrant des moyens permettant de relier plusieurs boîtiers de liaison, des éléments ayant été cachés pour une meilleure compréhension,
  • La figure 9 est une vue similaire à la vue précédente mais dans une autre position,
  • La figure 10 est une vue en élévation d'une partie inférieure du système de commande,
  • La figure 11 illustre en perspective une entretoise, et
  • La figure 12 illustre en perspective l'entretoise de la figure 11 en position sur un tronçon de tige de liaison.
Details and advantages of the present invention will become more apparent from the description which follows, given with reference to the appended schematic drawing in which:
  • The figure 1 is a perspective view of a jalousie according to the present invention,
  • The figure 2 is a view similar to the figure 1 but without a profile so as to reveal internal elements of a control system of the jealousy,
  • The figure 3 shows a detail of the figure 2 ,
  • The figure 4 shows on a larger scale a connection box that can be implemented in the present invention,
  • The figure 5 is a front view showing the inside of the connecting box of the figure 4 ,
  • The figure 6 is a detail view from above of a first mounting mode of a connecting box,
  • The figure 7 is a detail view from above of a second mounting mode of a connecting box,
  • The figure 8 is a side view illustrating means for connecting a plurality of connection boxes, elements having been hidden for a better understanding,
  • The figure 9 is a view similar to the previous view but in another position,
  • The figure 10 is an elevational view of a lower part of the control system,
  • The figure 11 illustrates in perspective a spacer, and
  • The figure 12 illustrates in perspective the spacer of the figure 11 in position on a connecting rod section.

Les figures 1 et 2 illustrent une jalousie selon la présente invention. De manière classique, une telle jalousie comporte deux montants latéraux 2, une traverse inférieure 4, une traverse supérieure 6 et des lames 8 montées pivotantes entre les montants latéraux 2. Sur les deux figures 1 et 2, les lames 8 sont illustrées dans une même position intermédiaire entre une position dite position fermée dans laquelle toutes les lames 8 seraient coplanaires correspondant à une position fermée de la jalousie et une position dite position ouverte dans laquelle toutes les lames 8 seraient pivotées d'environ 90° par rapport à la position fermée.The figures 1 and 2 illustrate a jealousy according to the present invention. Conventionally, such a jalousie comprises two lateral uprights 2, a lower crossbar 4, an upper crossbar 6 and blades 8 pivotally mounted between the lateral uprights 2. On both figures 1 and 2 , the blades 8 are illustrated in the same intermediate position between a position called closed position in which all the blades 8 would be coplanar corresponding to a closed position of the blind and a position called open position in which all the blades 8 would be rotated about 90 ° from the closed position.

Chaque montant latéral 2 comporte un profilé 10 en U et un couvercle 12 destiné à venir fermer le profilé 10 en reliant les extrémités libres des branches du U du profilé 10. Sur la figure 2, un profilé 10 n'a pas été illustré de manière à laisser apparaître un système de commande pour les lames 8 destiné à commander le passage de ces lames de la position ouverte vers la position fermée, ou inversement.Each lateral upright 2 comprises a U-shaped section 10 and a cover 12 intended to close the profile 10 by connecting the free ends of the branches of the U of the profile 10. On the figure 2 a profile 10 has not been illustrated so as to show a control system for the blades 8 for controlling the passage of these blades from the open position to the closed position, or vice versa.

Les figures 2 et 3 montrent la présence d'un boitier de liaison 14 monté à une extrémité de chaque lame 8. Des moyens décrits plus loin permettent de relier entre eux les boitiers de liaison 14. Ces moyens sont par exemple entrainés par un moteur (non représenté) pouvant prendre place dans une traverse, ou un montant latéral.The figures 2 and 3 show the presence of a mounted box 14 mounted at one end of each blade 8. Means described below allow to connect the connecting boxes 14. These means are for example driven by a motor (not shown) can take place in a cross, or a side jamb.

La figure 4 illustre en perspective et à échelle agrandie un boitier de liaison 14. Un tel boitier comporte une enveloppe extérieure et des éléments disposés entièrement ou partiellement à l'intérieur de l'enveloppe extérieure.The figure 4 illustrates in perspective and on an enlarged scale a connecting housing 14. Such a housing comprises an outer casing and elements arranged wholly or partially inside the outer casing.

L'enveloppe extérieure du boitier de liaison 14 illustré ici comporte deux demi-coques assemblées par des vis (non représentées) et un clip de fixation 16. La forme globale de l'enveloppe extérieure est parallélépipédique avec deux faces latérales principales. Une première demi-coque porte une première face latérale 18 tandis qu'une seconde demi-coque porte une seconde face latérale 20 qui s'étend parallèlement à la première face latérale 18 et lui est sensiblement symétrique. Les deux demi-coques sont maintenues entre elles par des vis et le clip de fixation 16 permet de parfaire le maintien des deux demi-coques. Il s'agit d'une pièce en matière synthétique profilée en U avec deux branches élastiques qui vient pincer entre ses deux branches un côté des deux demi-coques lorsque celles-ci sont assemblées.The outer casing of the connecting box 14 illustrated here comprises two half-shells assembled by screws (not shown) and a fastening clip 16. The overall shape of the outer casing is parallelepiped with two main lateral faces. A first half-shell carries a first side face 18 while a second half-shell carries a second side face 20 which extends parallel to the first side face 18 and is substantially symmetrical. The two half-shells are held together by screws and the fastening clip 16 allows to perfect the maintenance of the two half-shells. It is a piece of U-shaped synthetic material with two elastic branches that pinches between its two branches one side of the two half-shells when they are assembled.

La première face latérale 18 porte une première rainure 22 longitudinale ainsi qu'une seconde rainure 24 longitudinale. La seconde face latérale 20 porte elle aussi une première rainure 22 longitudinale et une seconde rainure 24 longitudinale. Ces rainures étant disposées symétriquement et présentant sensiblement les mêmes formes, la même référence 22 est utilisée pour désigner les deux premières rainures et la même référence 24 est utilisée pour désigner les deux secondes rainures. Sur la figure 4, la première rainure 22 longitudinale de la première face latérale 18 n'apparaît pas car elle est légèrement raccourcie pour permettre le passage d'une vis d'assemblage des deux demi-coques de l'enveloppe extérieure du boitier de liaison 14.The first lateral face 18 carries a first longitudinal groove 22 and a second longitudinal groove 24. The second lateral face 20 also carries a first longitudinal groove 22 and a second longitudinal groove 24. These grooves being arranged symmetrically and having substantially the same shapes, the same reference 22 is used to designate the first two grooves and the same reference 24 is used to designate the two second grooves. On the figure 4 , the first longitudinal groove 22 of the first side face 18 does not appear because it is slightly shortened to allow the passage of an assembly screw of the two half-shells of the outer casing of the connecting box 14.

Une vis sans fin 26 est disposée longitudinalement dans le boitier de liaison 14 et elle s'étend parallèlement à la première face latérale 18 et à la seconde face latérale 20 (et parallèlement aux rainures sur ces faces).A worm 26 is disposed longitudinally in the connecting housing 14 and extends parallel to the first side face 18 and the second side face 20 (and parallel to the grooves on these faces).

La vis sans fin 26 présente une forme tubulaire. Elle présente ici un trou longitudinal 38 de section carrée qui traverse la vis sans fin de part en part. Sur sa face extérieure, la vis sans fin 26 présente un filetage dans sa partie centrale et des paliers à ses deux extrémités. L'enveloppe extérieure du boitier de liaison 14 est conformée de manière à ce que la paroi de ladite enveloppe forme deux paliers pour recevoir les extrémités de la vis sans fin 26 et assurent le guidage de celle-ci en rotation.The worm 26 has a tubular shape. She presents here a longitudinal hole 38 of square section which passes through the endless screw from one side to the other. On its outer face, the worm 26 has a thread in its central part and bearings at both ends. The outer casing of the connecting box 14 is shaped so that the wall of said casing forms two bearings for receiving the ends of the worm 26 and guide the latter in rotation.

Un axe transversal 28 traverse aussi bien la première face latérale 18 que la seconde face latérale 20. Cet axe transversal 28 est solidaire d'un secteur denté 30 en prise avec la vis sans fin 26 comme illustré sur la figure 5. L'homme du métier comprendra immédiatement que le secteur denté correspond sensiblement à la course en rotation d'une lame 8. Dans le cas présent, pour une lame 8 pouvant pivoter d'environ 90°, le secteur denté s'étend sur un peu plus de 90°.A transverse axis 28 traverses both the first lateral face 18 and the second lateral face 20. This transverse axis 28 is integral with a toothed sector 30 in engagement with the worm 26 as illustrated in FIG. figure 5 . Those skilled in the art will immediately understand that the toothed sector substantially corresponds to the rotating stroke of a blade 8. In this case, for a blade 8 that can pivot about 90 °, the toothed sector extends over a little more than 90 °.

On remarque sur la figure 5 que l'axe transversal 28 est précontraint. En effet, cet axe transversal 28 présente une came 32 sur laquelle vient en appui un bras 34 télescopique dont l'extrémité libre est adaptée à la forme de la came 32 pour venir en prise avec celle-ci. Le bras 34 télescopique est monté pivotant à son autre extrémité autour d'un axe 36. Un ressort non représenté, par exemple un ressort hélicoïdal, est monté autour du bras 34 qui exerce ainsi une contrainte de retour élastique sur l'axe transversal 28 par l'intermédiaire de la came 32.We notice on the figure 5 that the transverse axis 28 is prestressed. Indeed, this transverse axis 28 has a cam 32 on which bears a telescopic arm 34 whose free end is adapted to the shape of the cam 32 to engage therewith. The telescopic arm 34 is pivotally mounted at its other end about an axis 36. A not shown spring, for example a helical spring, is mounted around the arm 34 which thus exerts an elastic return stress on the transverse axis 28. through the cam 32.

Chaque extrémité de l'axe transversal 28 dépassant hors de l'enveloppe extérieure du boitier de liaison 14 présente une forme cylindrique circulaire au centre de laquelle un évidement carré est réalisé. En outre, un côté de ce carré est entièrement ouvert si bien que chaque extrémité de l'axe transversal 28 se présente sous la forme d'un étrier inscrit dans un cylindre circulaire et présentant trois faces internes : un fond 40 plan et deux ailes latérales 42 planes également et s'étendant perpendiculairement au fond 40.Each end of the transverse axis 28 protruding out of the outer casing of the connecting box 14 has a circular cylindrical shape in the center of which a square recess is formed. In addition, one side of this square is fully open so that each end of the transverse axis 28 is in the form of a stirrup inscribed in a circular cylinder and having three internal faces: a bottom 40 plane and two lateral wings 42 planes also and extending perpendicularly to the bottom 40.

L'axe transversal 28 représenté (par exemple sur les figures 4 à 7) présente en outre un bossage 44 à sa périphérie. Ce bossage 44 forme une butée destinée à coopérer avec une contre butée décrite plus loin.The transverse axis 28 shown (for example on the Figures 4 to 7 ) further has a boss 44 at its periphery. This boss 44 forms a stop intended to cooperate with an abutment described below.

Une extrémité de chaque axe transversal 28 est destinée à coopérer avec un entraineur 46 qui se présente globalement sous la forme d'une pièce cylindrique de section carrée. Une extrémité de l'entraineur 46 vient prendre place dans l'étrier ménagé à l'extrémité correspondante de l'axe transversal 28 tandis que son autre extrémité vient coopérer avec un axe portant la lame 8. Du côté de la lame 8, l'extrémité de l'entraineur 46 est fendue longitudinalement. Cette forme permet de réaliser une liaison avec un axe et plus généralement avec un ensemble formant lame de jalousie qui ne sera pas détaillée ici.One end of each transverse axis 28 is intended to cooperate with a trainer 46 which is generally in the form of a part cylindrical square section. One end of the driver 46 takes place in the stirrup formed at the corresponding end of the transverse axis 28 while its other end cooperates with an axis carrying the blade 8. On the side of the blade 8, the end of the driver 46 is slotted longitudinally. This form allows a connection with an axis and more generally with a jalousie blade assembly which will not be detailed here.

Du côté du boitier de liaison 14, on suppose ici que l'entraineur 46 présente une section carrée car c'est la forme la plus couramment rencontrée pour le montage de lames de jalousie. Toutefois, l'homme du métier comprendra de la description qui suit qu'il est possible d'utiliser d'autres formes qui présentent deux faces parallèles. L'entraineur peut ainsi par exemple présenter une extrémité cylindrique circulaire avec uniquement deux méplats opposés. On peut aussi prévoir des sections de forme polygonale. Il s'agira alors plutôt de sections hexagonales ou octogonales.On the side of the connecting box 14, it is assumed here that the trainer 46 has a square section because it is the most commonly encountered form for the assembly of jalousie blades. However, those skilled in the art will understand from the following description that it is possible to use other shapes that have two parallel faces. The trainer can for example have a circular cylindrical end with only two opposite flats. It is also possible to provide sections of polygonal shape. It will be more like hexagonal or octagonal sections.

Le boitier de liaison 14 étant disposé à l'intérieur du profilé 10 et la lame 8 étant à l'extérieur de ce profilé, l'entraineur 46 qui relie le boitier de liaison 14 à la lame 8 traverse donc une paroi de ce profilé. Un trou de passage est donc prévu dans le profilé 10 au niveau de chaque lame 8. Un palier d'entraineur 48 est prévu au niveau de chaque trou de passage pour le maintien et le guidage de l'entraineur 46 qui présente au niveau du palier d'entraineur 48 une zone de section circulaire.The connecting box 14 being disposed inside the profile 10 and the blade 8 being outside this profile, the trainer 46 which connects the connecting box 14 to the blade 8 thus crosses a wall of this profile. A passage hole is therefore provided in the profile 10 at each blade 8. A driver bearing 48 is provided at each passage hole for holding and guiding the driver 46 which has at the level of the bearing 48 is a circular section.

Les figures 6 et 7 montrent deux exemples de montage dans le profilé 10 d'un système de commande de la position des lames 8.The Figures 6 and 7 show two examples of mounting in the profile 10 of a control system of the position of the blades 8.

Sur la figure 6, le boitier de liaison 14 est positionné contre la paroi du profilé 10 se trouvant du côté des lames 8 (c'est-à-dire la paroi du profilé traversée par l'entraineur 46). Le profilé 10 présente sur cette paroi une première rainure longitudinale 52 destinée à coopérer avec la première rainure 22 correspondante du boitier de liaison 14 ainsi qu'une seconde rainure longitudinale 54 destinée à coopérer avec la seconde rainure 24 correspondante du boitier de liaison 14.On the figure 6 , the connecting box 14 is positioned against the wall of the profile 10 located on the side of the blades 8 (that is to say the wall of the section through which the driver 46). The profile 10 has on this wall a first longitudinal groove 52 intended to cooperate with the corresponding first groove 22 of the connecting box 14 and a second longitudinal groove 54 intended to cooperate with the corresponding second groove 24 of the connecting box 14.

La première rainure longitudinale 52 et la seconde rainure longitudinale 54 sont ouvertes vers la face ouverte du profilé 10 (et fermée par le couvercle 12).The first longitudinal groove 52 and the second longitudinal groove 54 are open towards the open face of the profile 10 (and closed by the lid 12).

Le montage du boitier de liaison 14 dans le profilé 10 est alors simple et facile. De manière habituelle, le système de commande des lames 8 d'une jalousie est monté après assemblage des lames 8 sur le châssis comportant les deux montants latéraux 2, la traverse inférieure 4 et la traverse supérieure 6. Les entraineurs 46 sont en place et dépassent à l'intérieur du profilé 10.The mounting of the connecting box 14 in the section 10 is then simple and easy. Usually, the blade control system 8 of a louver is mounted after assembly of the blades 8 on the frame comprising the two lateral uprights 2, the lower cross member 4 and the top rail 6. The drivers 46 are in place and exceed inside the profile 10.

Les boitiers de liaison sont introduits dans le profilé 10 de telle sorte que chaque première rainure 22 des boitiers de liaison 14 vienne coopérer avec la première rainure longitudinale 52 du profilé 10. Ici, le bord extérieur, c'est-à-dire éloigné de la face latérale du boitier de liaison, de la première rainure 22 vient s'introduire dans la première rainure longitudinale 52 du profilé. De même, chaque seconde rainure 24 vient coopérer avec la seconde rainure longitudinale 54 du profilé 10. Chaque boitier de liaison 14 est ainsi guidé longitudinalement en translation dans le profilé 10.The connecting boxes are introduced into the profile 10 so that each first groove 22 of the connecting boxes 14 comes to cooperate with the first longitudinal groove 52 of the profile 10. Here, the outer edge, that is to say remote from the lateral face of the connecting box, the first groove 22 is introduced into the first longitudinal groove 52 of the profile. Similarly, each second groove 24 cooperates with the second longitudinal groove 54 of the profile 10. Each connecting box 14 is thus guided longitudinally in translation in the section 10.

Pour permettre une mise en place aisée des boitiers de liaison 14 dans le profilé 10, il est prévu dans la conception de la jalousie que lorsque celle-ci est posée à plat sur un plan de travail (châssis et lames à l'horizontale) que les entraineurs 46 sont orientés de telle sorte que la section carrée débouchant dans le profilé présente deux faces s'étendant longitudinalement. Il ne reste donc qu'à veiller ensuite à un positionnement correct de l'étrier en extrémité des axes transversaux 28. Le bossage 44 peut être un repère pour faciliter le contrôle de la bonne orientation de l'axe transversal 28 d'un boitier de liaison 14. Ainsi, en faisant coulisser les boitiers de liaison 14 vers les entraineurs 46, les axes transversaux 28 vont automatiquement venir prendre place sur les entraineurs 46. De préférence, le déplacement des boitiers de liaison 14 vers les entraineurs 46 se fait dans le sens de la gravité. Ainsi, une fois en place, les boitiers de liaison 14 sont maintenus en position par gravité ainsi que par la coopération des rainures du profilé avec les rainures correspondantes des boitiers de liaison 14. Quand l'axe transversal 28 a pivoté de 90°, la première rainure 22 et la seconde rainure 24 de chaque boitier de liaison 14 peut alors sortir de la première rainure longitudinale 52 et de la seconde rainure longitudinale 54 respectivement. Pour éviter un tel mouvement transversal en direction du couvercle 12, le bossage 44 évoqué plus haut et réalisé sur l'axe transversal 28 de chaque boitier de liaison 14 vient alors coopérer avec la seconde rainure longitudinale 54 pour empêcher un tel mouvement et garantir ainsi un parfait guidage et maintien du système dans toutes les positions des lames 8.To allow easy installation of the connecting boxes 14 in the section 10, it is provided in the design of the blind that when it is laid flat on a work plan (frame and blades horizontally) that the drivers 46 are oriented so that the square section opening into the profile has two faces extending longitudinally. All that remains then is to ensure then a correct positioning of the stirrup end of the transverse axes 28. The boss 44 can be a reference to facilitate the control of the correct orientation of the transverse axis 28 of a box of link 14. Thus, by sliding the connecting boxes 14 to the trainers 46, the transverse axes 28 will automatically take place on the trainers 46. Preferably, the displacement of the connecting boxes 14 to the trainers 46 is in the sense of gravity. Thus, once in place, the connecting boxes 14 are held in position by gravity as well as by the cooperation of the grooves of the profile with the corresponding grooves of the connecting housings 14. When the transverse axis 28 has rotated 90 °, the first groove 22 and the second groove 24 of each connecting housing 14 can then out of the first longitudinal groove 52 and the second longitudinal groove 54 respectively. To avoid such a transverse movement towards the cover 12, the boss 44 mentioned above and made on the axis transverse 28 of each connecting box 14 then cooperates with the second longitudinal groove 54 to prevent such movement and thus ensure perfect guidance and maintenance of the system in all positions of the blades 8.

Le montage illustré sur la figure 7 n'est pas décrit dans le détail. Il est proposé ici de venir monter les boitiers de liaison 14 non pas sur la paroi du profilé 10 se trouvant du côté des lames 8 mais sur la paroi opposée. C'est alors sur cette paroi opposée que se trouvent alors la première rainure longitudinale 52 et la seconde rainure longitudinale 54 du profilé 10. Dans cette configuration, il convient d'adapter la longueur de l'entraineur 46. Pour mieux maintenir ce dernier, on peut alors aussi prévoir un clip de maintien 56 sur l'entraineur 46 entre la paroi du profilé 10 traversée par l'entraineur 46 et le boitier de liaison 14.The montage illustrated on the figure 7 is not described in detail. It is proposed here to mount the connecting boxes 14 not on the wall of the profile 10 located on the side of the blades 8 but on the opposite wall. It is then on this opposite wall that then lie the first longitudinal groove 52 and the second longitudinal groove 54 of the profile 10. In this configuration, it is appropriate to adapt the length of the trainer 46. To better maintain the latter, it is then also possible to provide a holding clip 56 on the drive 46 between the wall of the profile 10 traversed by the trainer 46 and the connecting box 14.

Les figures 8 et 9 illustrent une forme de réalisation préférée selon l'invention dans laquelle il y a autant de tronçons 58 de tige que de boitiers de liaison 14 pour former une tige de liaison entre les boitiers de liaison 14 comme expliqué ci-après.The figures 8 and 9 illustrate a preferred embodiment according to the invention in which there are as many rod sections 58 as connecting boxes 14 to form a connecting rod between the connecting boxes 14 as explained below.

Chaque tronçon 58 de tige de liaison se présente sous la forme d'une pièce longitudinale à section carrée adaptée à l'intérieur des vis sans fin 26 avec un collet 60 placé à une position intermédiaire sur le tronçon 58.Each connecting rod section 58 is in the form of a longitudinal piece with a square section fitted inside the worm 26 with a collar 60 placed at an intermediate position on the section 58.

La figure 8 montre deux tronçons 58 de tige voisins dans une position permettant la liaison entre eux des boitiers de liaison. Pour bien montrer ces tronçons, la figure 8 ne montre pas une enveloppe extérieure d'un boitier de liaison, ni la vis sans fin correspondante. On aperçoit alors que deux tronçons 58 voisins se rejoignent face au secteur denté 30, c'est-à-dire à l'intérieur de la vis sans fin qui n'a pas été représentée pour permettre de voir la zone de jonction.The figure 8 shows two sections 58 of adjacent rods in a position for the connection between them connecting boxes. To show these sections well, the figure 8 does not show an outer casing of a connecting box, nor the corresponding worm. It can then be seen that two neighboring sections 58 meet opposite the toothed sector 30, that is to say inside the worm which has not been shown to allow the junction zone to be seen.

On suppose ici que les tronçons 58 sont disposés verticalement, c'est-à-dire que les boitiers de liaison 14 sont disposés les uns au-dessus des autres. Par effet de gravité, les tronçons 58 ont donc tendance à tomber vers le bas. Pour maintenir les tronçons 58 dans la position montrée, une entretoise 62 est disposée entre le boitier de liaison 14 inférieur et le collet 60 du premier tronçon 58 (en partant du bas), et plus précisément entre la vis sans fin 26 du boitier de liaison 14 inférieur et le collet 60 précité. Lorsque l'entretoise 62 est positionnée, tous les tronçons 58 sont alors positionnés.It is assumed here that the sections 58 are arranged vertically, that is to say that the connecting boxes 14 are arranged one above the other. By gravity effect, the sections 58 therefore tend to fall down. To maintain the sections 58 in the position shown, a spacer 62 is disposed between the lower connecting box 14 and the collar 60 of the first section 58 (starting from the bottom), and more precisely between the worm 26 of the lower connecting box 14 and the neck 60 mentioned above. When the spacer 62 is positioned, all the sections 58 are then positioned.

Au cas où la jalousie devait être disposée non pas verticalement ou inclinée mais horizontalement, on pourrait alors prévoir deux entretoises 62, une à chaque extrémité de la tige formée par les tronçons 58 de tige. On pourrait aussi prévoir une entretoise 62 par tronçon 58 mais cela n'a pas de réel intérêt.In case the jalousie should be arranged not vertically or inclined but horizontally, then two spacers 62 could be provided, one at each end of the rod formed by the rod sections 58. One could also provide a spacer 62 by section 58 but this has no real interest.

Comme illustré sur les figures 11 et 12 notamment, l'entretoise 62 est une pièce profilée en C destinée à venir enserrer une portion de section carrée d'un tronçon 58 de tige de liaison.As illustrated on Figures 11 and 12 in particular, the spacer 62 is a C-shaped piece designed to grip a portion of square section of a connecting rod section 58.

La figure 9 illustre le retrait de l'entretoise 62 illustrée sur la figure 8. Lorsque l'entretoise 62 est retirée, le tronçon 58 de tige de liaison peut alors coulisser vers le bas. Son mouvement vers le bas est bloqué lorsque le collet 60 du tronçon vient au contact de la vis sans fin 26 du boitier de liaison 14 inférieur. L'autre tronçon 58 de la figure 9 n'a pas été déplacé par rapport à sa position de la figure 8 mais il est clair que par gravité, une fois l'entretoise 62 retirée, tous les tronçons 58 coulissent vers le bas jusqu'à ce que leurs collets 60 viennent en butée. Si les axes transversaux 28 et les entraineurs 46 sont alors positionnés dans leur position de montage décrite plus haut (étrier avec ses ailes latérales orientées longitudinalement), un démontage de chaque boitier de liaison est alors possible en réalisant un premier mouvement de translation vers le haut pour dégager l'axe transversal 28 de l'entraineur 46 puis un second mouvement de translation pour retirer le boitier de liaison 14 hors de son profilé 10.The figure 9 illustrates the removal of the spacer 62 illustrated on the figure 8 . When the spacer 62 is withdrawn, the connecting rod section 58 can then slide downwards. Its downward movement is blocked when the collar 60 of the section comes into contact with the worm 26 of the lower connecting box 14. The other section 58 of the figure 9 was not moved in relation to his position from the figure 8 but it is clear that by gravity, once the spacer 62 removed, all sections 58 slide down until their collars 60 abut. If the transverse axes 28 and the drivers 46 are then positioned in their mounting position described above (stirrup with its longitudinally oriented lateral wings), disassembly of each connection box is then possible by performing a first translational movement upwards to clear the transverse axis 28 of the driver 46 and a second translational movement to remove the connecting box 14 from its profile 10.

Comme on peut le remarquer, le montage et le démontage du système de commande des lames de la jalousie est facile et rapide à réaliser.As can be seen, the assembly and disassembly of the control system of the blades of the blind is easy and quick to achieve.

La solution proposée permet donc à la fois un gain de temps lors du montage du système de commande et autorise une intervention sur ce système de commande aisée même lorsque la jalousie correspondante est scellée dans une baie.The proposed solution therefore saves time when mounting the control system and allows intervention on this easy control system even when the corresponding jalousie is sealed in a bay.

Le fait de prévoir des rainures sur deux faces opposées d'un boitier de liaison permet de n'avoir qu'un seul type de boitier qui peut alors être monté aussi bien dans un montant latéral ou dans l'autre montant latéral d'un châssis de jalousie, en fonction notamment de diverses contraintes.The fact of providing grooves on two opposite faces of a connecting box makes it possible to have only one type of case which can then be mounted as well in a lateral upright or in the other lateral upright of a frame of jealousy, depending in particular on various constraints.

La réalisation d'une tige en plusieurs tronçons permet d'intervenir sur une seule lame d'une jalousie et de démonter juste un seul boitier de liaison pour y accéder.The realization of a rod in several sections allows to intervene on a single blade of a jalousie and dismount just a single connection box to access it.

La solution proposée ici permet une grande modularité. Les boitiers de liaison peuvent correspondre à plusieurs types d'entraineur à partir du moment où ces entraineurs ont une même section carrée terminale. Le fait d'avoir des tronçons de tige de liaison permet aussi d'adapter le nombre de lames sur une jalousie en utilisant les mêmes tronçons de lames, seul le nombre de tronçons utilisés varie.The solution proposed here allows a great modularity. Binding boxes can correspond to several types of coach from the moment these coaches have the same terminal square section. The fact of having sections of connecting rod also makes it possible to adapt the number of blades on a blind with the same sections of blades, only the number of sections used varies.

Bien entendu, la présente invention ne se limite pas à la forme de réalisation préférée décrite ci-dessus et illustrée sur le dessin annexé. Elle concerne également toutes les variantes de réalisation à la portée de l'homme du métier dans le cadre des revendications ci-après.Of course, the present invention is not limited to the preferred embodiment described above and illustrated in the accompanying drawing. It also relates to all the variants within the scope of those skilled in the art within the scope of the claims below.

Claims (10)

  1. Control system for blind slats (8), comprising:
    - a plurality of actuation axes (28), each mounted directly or indirectly on a slat (8) of a blind,
    - a toothed sector (30) interdependent in each case with an actuation axis (28),
    - an endless screw (26) engaging in each case with a toothed sector (30), exhibiting a tubular shape with an interior longitudinal bore hole (38) and an external screw thread, and
    - a connecting rod passing through a plurality of bore holes (38) of the endless screws (26), the rod and the holes being configured in such a way that the connecting rod sets said endless screws (26) in rotation,
    characterised in that the connecting rod is configured in a plurality of segments (58), one segment (58) corresponding in each case to an endless screw (26),
    wherein each segment (58) can slide longitudinally in relation to the bore holes (38) of the endless screws (26), and
    wherein at least one stop (60) is provided on a segment (58), in such a way as to allow for limiting of the sliding of said segment (58) in relation to the interior longitudinal bore hole (38) of the corresponding endless screw (36).
  2. Control system according to claim 1, characterised in that each interior longitudinal bore hole (38) of an endless screw (26) exhibits a square section, and in that each segment (58) of the connecting rod exhibits an overall shape of a bar of square section, of dimensions adjusted such as to allow for a guided sliding movement in the interior of each interior longitudinal bore hole (38).
  3. Control system according to one of claims 1 or 2, characterised in that the stop is formed by a collar (60) arranged on the segment (58) of the connecting rod.
  4. Control system according to any one of claims 1 to 3, characterised in that it additionally comprises means (62) allowing for the retaining of a stop (60) formed on a segment (5) of the connecting rod, at a distance from an endless screw (26).
  5. Control system according to claim 4, characterised in that the means allowing for the retaining of a stop (60) formed on a segment (5) of the connecting rod, at a distance from an endless screw (26), are configured in the form of a profiled crosspiece (62) of open section, comprising a base and two elastic branches, and dimensioned in such a way that the space between the base and the two branches is capable of accommodating a portion of a segment (58) of the connecting rod, and that the elastic branches therefore come to be supported on said portion.
  6. Control system according to any one of claims 1 to 5, characterised in that all the segments (58) of the connecting rod are similar.
  7. Control system according to any one of claims 1 to 6, characterised in that, with the segments (58) of the connecting rod mounted, a junction between two adjacent segments (58) is located essentially in the centre of each interior longitudinal bore hole (38).
  8. Control system according to any one of claims 1 to 7, characterised in that each endless screw (26) is mounted in a junction box (14) which likewise contains the toothed sector (30), said box being traversed by an actuation axis (28).
  9. Blind comprising:
    - a body with two lateral profiled mounts (2) and two transverse elements (4, 6), and
    - slats (8) mounted such as to pivot between the two lateral profiled mounts (2),
    characterised in that it further comprises a control system according to any one of claims 1 to 8.
  10. Blind according to claim 9, characterised in that it comprises a connecting rod to connect an endless screw (26), located at one extremity, to a motor.
EP14179589.8A 2013-08-02 2014-08-01 Control system for blind slats Active EP2840220B8 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1357729A FR3009333B1 (en) 2013-08-02 2013-08-02 CONTROL SYSTEM FOR BLADES OF JALUUSIES

Publications (3)

Publication Number Publication Date
EP2840220A1 EP2840220A1 (en) 2015-02-25
EP2840220B1 true EP2840220B1 (en) 2016-04-06
EP2840220B8 EP2840220B8 (en) 2016-05-18

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ID=49237473

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14179589.8A Active EP2840220B8 (en) 2013-08-02 2014-08-01 Control system for blind slats

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EP (1) EP2840220B8 (en)
ES (1) ES2577117T3 (en)
FR (1) FR3009333B1 (en)
PT (1) PT2840220T (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1022563B1 (en) * 2014-10-16 2016-06-02 Renson Sunprotection Screens Nv LAMEL DEVICE
AU2015404937B2 (en) * 2015-07-31 2021-08-12 Hydro Extruded Solutions As Device and method for controlling an opening with pivoting slats
CN105840072A (en) * 2016-05-26 2016-08-10 常州大智光电有限公司 Full-intelligent automatic louver

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9017185U1 (en) * 1990-12-20 1991-03-07 Chen, Chih-Tsung, Lu Kang, Changhua, Tw
CN2861439Y (en) * 2005-10-21 2007-01-24 金朝晖 Worm gearing capable of multinomial interlocking

Also Published As

Publication number Publication date
EP2840220A1 (en) 2015-02-25
FR3009333A1 (en) 2015-02-06
FR3009333B1 (en) 2015-08-21
ES2577117T3 (en) 2016-07-13
EP2840220B8 (en) 2016-05-18
PT2840220T (en) 2016-07-11

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