EP2440733B1 - Roller blind mounting assembly, including a tubular shaft - Google Patents

Roller blind mounting assembly, including a tubular shaft Download PDF

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Publication number
EP2440733B1
EP2440733B1 EP10728325A EP10728325A EP2440733B1 EP 2440733 B1 EP2440733 B1 EP 2440733B1 EP 10728325 A EP10728325 A EP 10728325A EP 10728325 A EP10728325 A EP 10728325A EP 2440733 B1 EP2440733 B1 EP 2440733B1
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EP
European Patent Office
Prior art keywords
rod
mounting assembly
tip
yoke
axis
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EP10728325A
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German (de)
French (fr)
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EP2440733A2 (en
Inventor
Mikaël PELERIN
Jean-Marie Allemand
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Zurfluh Feller SAS
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Zurfluh Feller SAS
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Publication of EP2440733A2 publication Critical patent/EP2440733A2/en
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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
    • E06B9/02—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
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
    • E06B9/82—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic
    • E06B9/84—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic against dropping

Definitions

  • the invention relates to a roller shutter mounting assembly of the type which comprises a tubular shaft which serves for winding and unwinding a roller shutter, a nozzle being provided for engaging in the shaft, the tip being traversed by an axis, one end of which, intended to be engaged in the tubular shaft, is equipped with a core for a connection in rotation with the shaft, the other end of the axis being intended to be received in a bearing bearing housing, the relative position of the nozzle along the length of the axis may vary according to the dimensions of the tubular shaft and the installation conditions of the shutter.
  • a standard requires the use of a shutter fall arrest device or "stop fall" on the opposite side to the drive means, often consisting of a motor electric.
  • the design of the fall stop allows it to block an axis, linked in rotation to the tubular shaft, in the case of the rupture of a component of the engine (brake, gear, fixed point of the engine, ).
  • the fall stop device responds to a strong acceleration or an excessive speed of the shaft.
  • the adjustable tip installed on the side opposite the drive means must provide a rigid connection between the tubular shaft of the flap and the axis on which the tip is mounted, this axis being engaged in a bearing of the fall stop device.
  • a square section axis is generally used, capable of supporting the resistive torque. To maintain the notion of adjustment in length, it is necessary to ensure a possibility of translation between the tip and the axis, while providing an effective locking in translation of the tip relative to the axis.
  • the object of the invention is, above all, to propose a mounting assembly with a blocking in translation of the endpiece which, while being simple, retains its efficiency over time, and prevents, in one direction at least, any relative sliding between the axis and the tip.
  • a roller shutter mounting assembly of the kind defined above, is characterized in that it comprises a locking device in translation of the tip on the axis which comprises a stirrup having two spaced walls connected by a bridge, each wall having a window traversed by the axis, the bridge being provided with a pressure means located between the walls for exerting a clamping of the axis on an edge of the windows, said axis having notches distributed in a step along the length, with which can cooperate the edge of at least one window of the stirrup for a positive stop of the stirrup on the shaft and to lock the end against the stirrup.
  • the distance between the edges of the windows provided to cooperate with the notches is equal to an integer number of steps of the notches of the axis, increased by a half-step, a single edge cooperating with a notch, the adjustment being possible thus be done half-step by half-step.
  • the stirrup may be metallic, in particular steel.
  • the stirrup can have substantially the shape of an inverted U.
  • the cross section of the axis can be regular polygonal, in particular hexagonal or square.
  • the end of the axis located on the side of the stirrup opposite the endpiece may be provided to cooperate with a square housing of a fall stop device.
  • the axis has a polygonal section, in particular hexagonal, whose distance between two opposite faces is equal to the side of the square housing, and the end of the axis intended to enter this housing is milled according to two perpendicular parallel faces. the previous to engage in the housing, the milling determining an axial stop which limits the engagement of the axis in the housing of the device stop fall.
  • the axis may have a square section and include, towards its end remote from the tip, a split ring engaged in at least one groove to limit the engagement of the axis in the housing of the stop device fall.
  • the pressure means may be constituted by a pressure screw screwed into a thread integral with the bridge of the stirrup.
  • a roller shutter assembly comprising a tubular shaft 1 which serves for the winding and unwinding of a shutter not shown.
  • the shutter has blades articulated together, the upper blade being attached to the shaft 1 by locks 2, attached to the shaft 1 between two rings 3.
  • the shaft 1 can be rotated by an electric motor 4 comprising a rotor 5 with extension engaged in the shaft 1.
  • the rotor 5 cooperates, at its inner end, with ribs projecting inside the shaft 1 to ensure the connection in rotation between the motor and the shaft 1.
  • a tip 6 is provided to engage the shaft 1.
  • This tip 6, as visible on Fig.2 comprises a system of ribs 6a, 6b grooves, adapted to cooperate with conjugate forms provided on the inner surface of the shaft 1 to ensure the rotational connection between the nozzle 6 and the shaft 1.
  • the end piece 6 is traversed by an axis 7, one end of which, intended to be engaged in the tubular shaft 1, is equipped with a core 8 provided on its periphery with ribs / grooves adapted to cooperate with internal grooves / ribs of the shaft 1 for a connection in rotation.
  • the other end 7a of the axis 7 is provided to be received in a housing 9 forming a rotary bearing.
  • the housing 9 is located in a rotating element 10 of a device 11 "stop fall" comprising a stator adapted to be fixed on a support member, in particular a cheek 12.
  • This cheek 12 comprises a vertical leg 13 adapted to be engaged in a room with a vertical slide 14, which guards the rolling shutter apron.
  • Connecting means are provided for fixing the stator of the fall stop device 11 on the cheek 12.
  • the support member could be constituted by a simple console or inclined bracket instead of a cheek 12, when the shutter is installed in a masonry reservation.
  • the shutter shaft 1 and the drive motor 4 are supported by another cheek 15 also provided with a tab 13, cooperating with a vertical slide chamber 14.
  • the axis 7 in the example under consideration is a square-section axis capable of supporting the resistive torque, when the stop device 11 comes into action to block the shaft 1 in rotation.
  • the relative position of the end piece 6 along the length of the axis 7 may vary according to the dimensions of the tubular shaft 1 and the installation conditions of the shutter. Thus, the portion of the shaft 7 protruding from the end piece 6 on the side of the fall stop 11 may be longer or shorter.
  • the blocking device B (see Fig.2 ) comprises a stirrup 16 which, preferably, has substantially the shape of an inverted U with two walls 16a, 16b spaced apart, generally parallel. These walls are connected by a bridge 16c. Each wall 16a, 16b has a window 17a, 17b crossed by the axis 7.
  • the bridge 16c is provided with a pressure means M advantageously constituted by a set screw 18, screwed into a thread integral with the bridge 16c, and located between the walls 16a, 16b.
  • the stirrup 16 is preferably made of metal, especially steel.
  • the windows 17a, 17b have, at each vertex of their lower edge, inclined corner portions 19a, 19b forming gussets, as shown in FIG. Fig.4 for part 19a.
  • the axis 7 has notches 20 ( Fig.3 ) at least on its face intended to cooperate with the parts 19a, 19b, and generally on two opposite faces.
  • the notches 20 are formed on the edges of the axis 7 in the form of indentations in hollow dihedron, and are distributed regularly along a pitch p, along the length, at the area used to adjust the positions of the endpiece. 6.
  • the parts 19a, 19b of the windows can be chamfered to be able to enter the notches 20.
  • the thickness e ( Fig.3 ) of the caliper wall may be greater than the width of a notch.
  • the thickness e may be equal to or greater than 1.5 mm.
  • the latter is tightened and blocked between the screw 18 and the parts 19a, 19b.
  • the stirrup 16 is thus stopped on the axis 7 and makes it possible to block the endpiece 6 in a direction that would tend to make the endpiece 6 leave the tubular shaft 1.
  • a split stop ring 21 anchored in at least one groove of the axis 7.
  • the tip 6 After introduction of the core 8 and the axis 7 into the tubular shaft 1 to the desired position, the tip 6 is slid until it abuts against the adjacent end of the shaft 1.
  • the stirrup 16 is then placed in axial abutment against the outer face of the end piece 6 and the stirrup is locked on the spindle 7 by screwing the screw 18 so that one of the edges 19a, 19b is engages in the appropriate notch 20 of the axis 7.
  • the end 7a of the axis 7 is then introduced into the housing 9.
  • axis 107 ( Fig.5 and 6 ) of regular hexagonal section.
  • the distance or dimension j between two opposite dishes 22a, 22b of the axis 107 ( Fig.6 ) is chosen equal to the square side of the housing 9.
  • the end of the hexagonal axis is milled on two opposite faces 22c, 22d perpendicular to the first faces 22a, 22b. It suffices to mill the triangular end of the hexagonal contour which protrudes from the contour of the square 9 as illustrated on Fig.6 .
  • This solution has the advantage of creating an axial abutment K along the hexagonal outline of the axis 107 at the projection created by the milling of the faces 22c, 22d, which limits the engagement of the axis. 107 in the housing 9 stop fall.
  • the last 107th ( Fig.5 ) of the end 107a remains at a distance from the end of the housing 9.
  • This arrangement eliminates the presence of a stop ring 21 as in the case of Fig.2 .
  • the invention makes it possible, by clamping, an effective axial blocking of the tip 6 on the axis 7.
  • the clamping is maintained in time, especially when the stirrup 16 is metal , especially steel, because none of the parts involved is creep.
  • the proposed solution is simple and quick to implement.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Blinds (AREA)

Description

L'invention est relative à un ensemble de montage de volet roulant du genre de ceux qui comprennent un arbre tubulaire qui sert à l'enroulement et au déroulement d'un volet roulant, un embout étant prévu pour s'engager dans l'arbre, l'embout étant traversé par un axe dont une extrémité, destinée à être engagée dans l'arbre tubulaire, est équipée d'un noyau pour une liaison en rotation avec l'arbre, l'autre extrémité de l'axe étant prévue pour être reçue dans un logement formant palier rotatif, la position relative de l'embout selon la longueur de l'axe pouvant varier selon les dimensions de l'arbre tubulaire et les conditions d'installation du volet roulant.The invention relates to a roller shutter mounting assembly of the type which comprises a tubular shaft which serves for winding and unwinding a roller shutter, a nozzle being provided for engaging in the shaft, the tip being traversed by an axis, one end of which, intended to be engaged in the tubular shaft, is equipped with a core for a connection in rotation with the shaft, the other end of the axis being intended to be received in a bearing bearing housing, the relative position of the nozzle along the length of the axis may vary according to the dimensions of the tubular shaft and the installation conditions of the shutter.

La demande de brevet FR 2 877 689 montre un ensemble de montage du genre défini ci-dessus et correspondant au préambule de la revendication 1.The patent application FR 2,877,689 shows a mounting assembly of the kind defined above and corresponding to the preamble of claim 1.

Dans le cas d'un volet roulant utilisé en porte de garage, une norme impose l'utilisation d'un dispositif d'arrêt de chute du volet ou "stop chute" du côté opposé au moyen d'entraînement, souvent constitué par un moteur électrique. La conception du stop chute lui permet de bloquer un axe, lié en rotation à l'arbre tubulaire, dans le cas de la rupture d'un composant du moteur (frein, engrenage, point fixe du moteur, ...). Le dispositif stop chute réagit à une forte accélération ou à une vitesse excessive de l'arbre. L'embout réglable installé du côté opposé au moyen d'entraînement doit assurer une liaison rigide entre l'arbre tubulaire du volet et l'axe sur lequel l'embout est monté, cet axe étant engagé dans un palier du dispositif stop chute. On utilise généralement un axe de section carrée, capable de prendre en charge le couple résistant. Pour conserver la notion de réglage en longueur, il convient d'assurer une possibilité de translation entre l'embout et l'axe, tout en prévoyant un blocage efficace en translation de l'embout relativement à l'axe.In the case of a roller shutter used as a garage door, a standard requires the use of a shutter fall arrest device or "stop fall" on the opposite side to the drive means, often consisting of a motor electric. The design of the fall stop allows it to block an axis, linked in rotation to the tubular shaft, in the case of the rupture of a component of the engine (brake, gear, fixed point of the engine, ...). The fall stop device responds to a strong acceleration or an excessive speed of the shaft. The adjustable tip installed on the side opposite the drive means must provide a rigid connection between the tubular shaft of the flap and the axis on which the tip is mounted, this axis being engaged in a bearing of the fall stop device. A square section axis is generally used, capable of supporting the resistive torque. To maintain the notion of adjustment in length, it is necessary to ensure a possibility of translation between the tip and the axis, while providing an effective locking in translation of the tip relative to the axis.

L'invention a pour but, surtout, de proposer un ensemble de montage avec un blocage en translation de l'embout qui, tout en étant simple, conserve son efficacité dans le temps, et empêche, dans un sens au moins, tout glissement relatif entre l'axe et l'embout.The object of the invention is, above all, to propose a mounting assembly with a blocking in translation of the endpiece which, while being simple, retains its efficiency over time, and prevents, in one direction at least, any relative sliding between the axis and the tip.

Selon l'invention, un ensemble de montage de volet roulant ,du genre défini précédemment, est caractérisé en ce qu'il comporte un dispositif de blocage en translation de l'embout sur l'axe qui comprend un étrier présentant deux parois espacées reliées par un pont, chaque paroi comportant une fenêtre traversée par l'axe, le pont étant muni d'un moyen de pression situé entre les parois pour exercer un serrage de l'axe sur un bord des fenêtres, ledit axe comportant des crans répartis selon un pas sur la longueur, avec lesquels peut coopérer le bord d'au moins une fenêtre de l'étrier pour un arrêt positif de l'étrier sur l'axe et pour bloquer l'embout contre l'étrier.According to the invention, a roller shutter mounting assembly, of the kind defined above, is characterized in that it comprises a locking device in translation of the tip on the axis which comprises a stirrup having two spaced walls connected by a bridge, each wall having a window traversed by the axis, the bridge being provided with a pressure means located between the walls for exerting a clamping of the axis on an edge of the windows, said axis having notches distributed in a step along the length, with which can cooperate the edge of at least one window of the stirrup for a positive stop of the stirrup on the shaft and to lock the end against the stirrup.

De préférence, la distance entre les bords des fenêtres prévus pour coopérer avec les crans est égale à un nombre entier de pas des crans de l'axe, augmenté d'un demi-pas, un seul bord coopérant avec un cran, le réglage pouvant ainsi s'effectuer demi-pas par demi-pas.Preferably, the distance between the edges of the windows provided to cooperate with the notches is equal to an integer number of steps of the notches of the axis, increased by a half-step, a single edge cooperating with a notch, the adjustment being possible thus be done half-step by half-step.

L'étrier peut être métallique, en particulier en acier. L'étrier peut avoir sensiblement la forme d'un U renversé.The stirrup may be metallic, in particular steel. The stirrup can have substantially the shape of an inverted U.

La section transversale de l'axe peut être polygonale régulière, en particulier hexagonale ou carrée. L'extrémité de l'axe située du côté de l'étrier opposé à l'embout peut être prévue pour coopérer avec un logement carré d'un dispositif stop chute.The cross section of the axis can be regular polygonal, in particular hexagonal or square. The end of the axis located on the side of the stirrup opposite the endpiece may be provided to cooperate with a square housing of a fall stop device.

Avantageusement, l'axe présente une section polygonale, en particulier hexagonale, dont la distance entre deux faces opposées est égale au côté du logement carré, et l'extrémité de l'axe destinée à entrer dans ce logement est fraisée selon deux faces parallèles perpendiculaires aux précédentes pour s'engager dans le logement, le fraisage déterminant une butée axiale qui limite l'engagement de l'axe dans le logement du dispositif stop chute.Advantageously, the axis has a polygonal section, in particular hexagonal, whose distance between two opposite faces is equal to the side of the square housing, and the end of the axis intended to enter this housing is milled according to two perpendicular parallel faces. the previous to engage in the housing, the milling determining an axial stop which limits the engagement of the axis in the housing of the device stop fall.

L'axe peut présenter une section carrée et comporter, vers son extrémité éloignée de l'embout, une bague fendue engagée dans au moins une rainure pour limiter l'engagement de l'axe dans le logement du dispositif stop chute.The axis may have a square section and include, towards its end remote from the tip, a split ring engaged in at least one groove to limit the engagement of the axis in the housing of the stop device fall.

Le moyen de pression peut être constitué par une vis de pression vissée dans un taraudage solidaire du pont de l'étrier.The pressure means may be constituted by a pressure screw screwed into a thread integral with the bridge of the stirrup.

L'invention consiste, mises à part les dispositions exposées ci-dessus, en un certain nombre d'autres dispositions dont il sera plus explicitement question ci-après à propos d'exemples de réalisation décrits avec référence aux dessins annexés, mais qui ne sont nullement limitatifs. Sur ces dessins :

  • Fig.1 est une vue schématique en perspective éclatée d'un certain nombre d'éléments d'un montage d'arbre tubulaire de volet roulant avec embout engagé sur un axe.
  • Fig.2 est une vue en perspective d'un axe carré sur lequel est monté l'embout de volet roulant équipé du dispositif de blocage selon l'invention.
  • Fig.3 est une vue en élévation à plus grande échelle du dispositif de blocage de Fig.2.
  • Fig.4 est une coupe suivant la ligne IV-IV de Fig.3, à plus grande échelle.
  • Fig.5 est une vue schématique en élévation de l'extrémité d'un axe à section transversale hexagonale régulière, engagé dans un logement carré d'un dispositif stop chute, et
  • Fig.6 est une section suivant la ligne VI-VI de Fig.5.
The invention consists, apart from the arrangements described above, in a certain number of other arrangements which will be more explicitly discussed hereinafter with regard to exemplary embodiments described with reference to the appended drawings, but which are not in no way limiting. On these drawings:
  • Fig.1 is a schematic exploded perspective view of a number of elements of a roller shutter tubular shaft assembly with a tip engaged on an axis.
  • Fig.2 is a perspective view of a square axis on which is mounted the shutter fitting equipped with the locking device according to the invention.
  • Fig.3 is an enlarged view in elevation of the device of blocking Fig.2 .
  • Fig.4 is a section along line IV-IV of Fig.3 , on a larger scale.
  • Fig.5 is a schematic view in elevation of the end of a regular hexagonal cross section axis, engaged in a square housing of a fall arrest device, and
  • Fig.6 is a section along line VI-VI of Fig.5 .

En se reportant à Fig.1 des dessins, on peut voir plusieurs éléments d'un ensemble de montage de volet roulant comprenant un arbre tubulaire 1 qui sert à l'enroulement et au déroulement d'un volet roulant non représenté. Le volet roulant comporte des lames articulées entre elles, la lame supérieure étant accrochée à l'arbre 1 par des verrous 2, attachés à l'arbre 1 entre deux bagues 3. L'arbre 1 peut être entraîné en rotation par un moteur 4 électrique comportant un rotor 5 avec prolongement engagé dans l'arbre 1. Le rotor 5 coopère, à son extrémité interne, avec des nervures faisant saillie à l'intérieur de l'arbre 1 pour assurer la liaison en rotation entre le moteur et l'arbre 1.Referring to Fig.1 drawings, we can see several elements of a roller shutter assembly comprising a tubular shaft 1 which serves for the winding and unwinding of a shutter not shown. The shutter has blades articulated together, the upper blade being attached to the shaft 1 by locks 2, attached to the shaft 1 between two rings 3. The shaft 1 can be rotated by an electric motor 4 comprising a rotor 5 with extension engaged in the shaft 1. The rotor 5 cooperates, at its inner end, with ribs projecting inside the shaft 1 to ensure the connection in rotation between the motor and the shaft 1.

Du côté opposé au moteur 4, un embout 6 est prévu pour s'engager dans l'arbre 1. Cet embout 6, comme visible sur Fig.2, comporte un système de nervures 6a, rainures 6b, propres à coopérer avec des formes conjuguées prévues sur la surface interne de l'arbre 1 pour assurer la liaison en rotation entre l'embout 6 et l'arbre 1.On the opposite side to the motor 4, a tip 6 is provided to engage the shaft 1. This tip 6, as visible on Fig.2 , comprises a system of ribs 6a, 6b grooves, adapted to cooperate with conjugate forms provided on the inner surface of the shaft 1 to ensure the rotational connection between the nozzle 6 and the shaft 1.

L'embout 6 est traversé par un axe 7 dont une extrémité, destinée à être engagée dans l'arbre tubulaire 1, est équipée d'un noyau 8 muni sur sa périphérie de nervures/rainures propres à coopérer avec des rainures/nervures internes de l'arbre 1 pour une liaison en rotation.The end piece 6 is traversed by an axis 7, one end of which, intended to be engaged in the tubular shaft 1, is equipped with a core 8 provided on its periphery with ribs / grooves adapted to cooperate with internal grooves / ribs of the shaft 1 for a connection in rotation.

L'autre extrémité 7a de l'axe 7 est prévue pour être reçue dans un logement 9 formant palier rotatif. Dans l'exemple considéré, le logement 9 est situé dans un élément tournant 10 d'un dispositif 11 "stop chute" comportant un stator propre à être fixé sur un élément de support, notamment une joue 12. Cette joue 12 comporte une patte verticale 13 propre à être engagée dans une chambre d'une coulisse 14 verticale, qui assure le guidage du tablier de volet roulant. Des moyens de liaison, non représentés, sont prévus pour assurer la fixation du stator du dispositif stop chute 11 sur la joue 12. En variante, l'élément de support pourrait être constitué par une simple console ou potence inclinée au lieu d'une joue 12, lorsque le volet roulant est installé dans une réservation de maçonnerie.The other end 7a of the axis 7 is provided to be received in a housing 9 forming a rotary bearing. In the example considered, the housing 9 is located in a rotating element 10 of a device 11 "stop fall" comprising a stator adapted to be fixed on a support member, in particular a cheek 12. This cheek 12 comprises a vertical leg 13 adapted to be engaged in a room with a vertical slide 14, which guards the rolling shutter apron. Connecting means, not shown, are provided for fixing the stator of the fall stop device 11 on the cheek 12. Alternatively, the support member could be constituted by a simple console or inclined bracket instead of a cheek 12, when the shutter is installed in a masonry reservation.

A son extrémité éloignée du stop chute 11, l'arbre de volet roulant 1 et le moteur d'entraînement 4 sont supportés par une autre joue 15 également munie d'une patte 13, coopérant avec une chambre de coulisse 14 verticale.At its end remote from the fall stop 11, the shutter shaft 1 and the drive motor 4 are supported by another cheek 15 also provided with a tab 13, cooperating with a vertical slide chamber 14.

L'axe 7 dans l'exemple considéré est un axe à section carrée, capable de prendre en charge le couple résistant, lorsque le dispositif 11 stop chute entre en action pour bloquer en rotation l'arbre 1.The axis 7 in the example under consideration is a square-section axis capable of supporting the resistive torque, when the stop device 11 comes into action to block the shaft 1 in rotation.

La position relative de l'embout 6 selon la longueur de l'axe 7 peut varier selon les dimensions de l'arbre tubulaire 1 et les conditions d'installation du volet roulant. Ainsi, la partie de l'axe 7 faisant saillie par rapport à l'embout 6 du côté du stop chute 11 peut être plus ou moins longue.The relative position of the end piece 6 along the length of the axis 7 may vary according to the dimensions of the tubular shaft 1 and the installation conditions of the shutter. Thus, the portion of the shaft 7 protruding from the end piece 6 on the side of the fall stop 11 may be longer or shorter.

Il convient donc d'assurer une possibilité de réglage du blocage en translation de l'embout 6 relativement à l'axe 7.It is therefore necessary to ensure a possibility of adjusting the locking in translation of the tip 6 relative to the axis 7.

Selon l'invention, le dispositif de blocage B (voir Fig.2) comprend un étrier 16 qui, de préférence, a sensiblement la forme d'un U renversé avec deux parois 16a, 16b espacées, en général parallèles. Ces parois sont reliées par un pont 16c. Chaque paroi 16a, 16b comporte une fenêtre 17a, 17b traversée par l'axe 7. Le pont 16c est muni d'un moyen de pression M avantageusement constitué par une vis de pression 18, vissée dans un taraudage solidaire du pont 16c, et située entre les parois 16a, 16b. L'étrier 16 est réalisé de préférence en métal, notamment en acier.According to the invention, the blocking device B (see Fig.2 ) comprises a stirrup 16 which, preferably, has substantially the shape of an inverted U with two walls 16a, 16b spaced apart, generally parallel. These walls are connected by a bridge 16c. Each wall 16a, 16b has a window 17a, 17b crossed by the axis 7. The bridge 16c is provided with a pressure means M advantageously constituted by a set screw 18, screwed into a thread integral with the bridge 16c, and located between the walls 16a, 16b. The stirrup 16 is preferably made of metal, especially steel.

Les fenêtres 17a, 17b présentent, à chaque sommet de leur bord inférieur des parties d'angle inclinées 19a, 19b formant goussets, comme illustré sur Fig.4 pour la partie 19a. L'axe 7 comporte des crans 20 (Fig.3) au moins sur sa face destinée à coopérer avec les parties 19a, 19b, et généralement sur deux faces opposées. Les crans 20 sont réalisés sur les arêtes de l'axe 7, sous forme d'empreintes en dièdre creux, et sont répartis régulièrement suivant un pas p, sur la longueur, au niveau de la zone servant au réglage des positions de l'embout 6.The windows 17a, 17b have, at each vertex of their lower edge, inclined corner portions 19a, 19b forming gussets, as shown in FIG. Fig.4 for part 19a. The axis 7 has notches 20 ( Fig.3 ) at least on its face intended to cooperate with the parts 19a, 19b, and generally on two opposite faces. The notches 20 are formed on the edges of the axis 7 in the form of indentations in hollow dihedron, and are distributed regularly along a pitch p, along the length, at the area used to adjust the positions of the endpiece. 6.

Les parties 19a, 19b des fenêtres peuvent être chanfreinés pour pouvoir entrer dans les crans 20. En effet, l'épaisseur e (Fig.3) de la paroi de l'étrier peut être supérieure à la largeur d'un cran. A titre d'exemple non limitatif, l'épaisseur e peut être égale ou supérieure à 1.5 mm.The parts 19a, 19b of the windows can be chamfered to be able to enter the notches 20. Indeed, the thickness e ( Fig.3 ) of the caliper wall may be greater than the width of a notch. By way of non-limiting example, the thickness e may be equal to or greater than 1.5 mm.

La vis de pression 18, lorsqu'elle est serrée, prend appui contre l'axe 7 et tire l'étrier 16 de telle sorte que les parties d'angle 19a, 19b des fenêtres 17a, 17b, situées du côté de l'axe 7 opposé à la vis 18, prennent appui contre l'axe 7. Ce dernier se trouve serré et bloqué entre la vis 18 et les parties 19a, 19b. L'étrier 16 est ainsi arrêté sur l'axe 7 et permet de bloquer l'embout 6 dans un sens qui aurait tendance à faire sortir l'embout 6 de l'arbre tubulaire 1.The pressure screw 18, when tightened, bears against the axis 7 and pulls the stirrup 16 so that the corner portions 19a, 19b of the windows 17a, 17b, located on the axis side 7 opposite the screw 18, bear against the axis 7. The latter is tightened and blocked between the screw 18 and the parts 19a, 19b. The stirrup 16 is thus stopped on the axis 7 and makes it possible to block the endpiece 6 in a direction that would tend to make the endpiece 6 leave the tubular shaft 1.

Avantageusement, la distance D (Fig.3) entre les plans moyens des parois 16a, 16b est égale à un nombre entier X de pas p augmenté d'un demi-pas p/2. Ainsi on peut écrire : D = X ⋅ p + p / 2.

Figure imgb0001
Advantageously, the distance D ( Fig.3 ) between the mean planes of the walls 16a, 16b is equal to an integer X of pitch p increased by a half step p / 2. So we can write: D = X ⋅ p + p / 2.
Figure imgb0001

Dans ces conditions, les parties 19a ou 19b d'un seul bord entrent dans un cran 20, tandis que les autres parties d'angle 19b ou 19a de l'autre bord sont en appui sur la partie de l'axe 7 comprise entre deux crans.Under these conditions, the parts 19a or 19b of a single edge enter a notch 20, while the other corner portions 19b or 19a of the other edge bear on the portion of the axis 7 between two notches.

Le jeu vertical entre le bord horizontal supérieur d'une fenêtre 17a, 17b et la face supérieure de l'axe 7 à l'état serré, comme illustré sur Fig.4, est suffisant pour permettre de dégager les parties 19a ou 19b des crans 20 lorsque la vis 18 est desserrée.The vertical clearance between the upper horizontal edge of a window 17a, 17b and the upper face of the axis 7 in the tightened state, as illustrated in FIG. Fig.4 is sufficient to clear the parts 19a or 19b of the notches 20 when the screw 18 is loosened.

Avec cette disposition, il est possible de régler la position de l'étrier 16, relativement à l'axe 7, demi-pas p/2 par demi-pas p/2.With this arrangement, it is possible to adjust the position of the stirrup 16 relative to the axis 7, half-step p / 2 by half-step p / 2.

L'entrée d'au moins un bord 19a, 19b dans un cran 20 permet d'assurer un arrêt positif de l'étrier 16 relativement à l'axe 7, et d'améliorer la précision du réglage.The entry of at least one edge 19a, 19b into a notch 20 ensures a positive stop of the stirrup 16 relative to the axis 7, and to improve the accuracy of the adjustment.

Pour limiter l'entrée de l'axe 7 dans le logement 9 on prévoit, à une distance appropriée du bout 7e de l'extrémité 7a de l'axe 7, une bague d'arrêt fendue 21 ancrée dans au moins une rainure de l'axe 7.To limit the entry of the axis 7 into the housing 9 is provided, at a suitable distance from the end 7e of the end 7a of the axis 7, a split stop ring 21 anchored in at least one groove of the axis 7.

La mise en oeuvre du dispositif de blocage selon l'invention résulte immédiatement des explications qui précèdent.The implementation of the locking device according to the invention immediately results from the foregoing explanations.

Après introduction du noyau 8 et de l'axe 7 dans l'arbre tubulaire 1 jusqu'à la position souhaitée, on fait coulisser l'embout 6 jusqu'à ce qu'il soit en butée contre l'extrémité adjacente de l'arbre 1. On place alors l'étrier 16 en appui axial contre la face externe de l'embout 6 et on bloque l'étrier sur l'axe 7 en vissant la vis 18 de sorte que l'un des bords 19a, 19b s'engage dans le cran approprié 20 de l'axe 7. L'extrémité 7a de l'axe 7 est ensuite introduite dans le logement 9. En variante, on peut mettre en place l'extrémité 7a dans le logement 9 avant d'effectuer le réglage décrit précédemment de sorte que l'embout 6 n'est introduit dans l'arbre tubulaire 1 qu'après mise en place de l'extrémité 7a dans le logement 9.After introduction of the core 8 and the axis 7 into the tubular shaft 1 to the desired position, the tip 6 is slid until it abuts against the adjacent end of the shaft 1. The stirrup 16 is then placed in axial abutment against the outer face of the end piece 6 and the stirrup is locked on the spindle 7 by screwing the screw 18 so that one of the edges 19a, 19b is engages in the appropriate notch 20 of the axis 7. The end 7a of the axis 7 is then introduced into the housing 9. Alternatively, one can implement the end 7a in the housing 9 before performing the adjustment described above so that the tip 6 is introduced into the tubular shaft 1 after introduction of the end 7a in the housing 9.

Pour une plus grande facilité de réalisation du crantage sur l'axe, on peut prévoir d'utiliser un axe 107 (Fig.5 et 6) de section hexagonale régulière. La distance ou cote j entre deux plats opposés 22a, 22b de l'axe 107 (Fig.6) est choisie égale au côté du carré du logement 9.For greater ease of realization of the notching on the axis, it is possible to use an axis 107 ( Fig.5 and 6 ) of regular hexagonal section. The distance or dimension j between two opposite dishes 22a, 22b of the axis 107 ( Fig.6 ) is chosen equal to the square side of the housing 9.

Pour permettre l'entrée de l'extrémité 107a de l'axe 107 dans le logement 9, on réalise un fraisage de l'extrémité de l'axe hexagonal sur deux faces opposées 22c, 22d perpendiculaires aux premières faces 22a, 22b. Il suffit de fraiser l'extrémité triangulaire du contour hexagonal qui déborde du contour du carré 9 comme illustré sur Fig.6.To enable the end 107a of the axis 107 to enter the housing 9, the end of the hexagonal axis is milled on two opposite faces 22c, 22d perpendicular to the first faces 22a, 22b. It suffices to mill the triangular end of the hexagonal contour which protrudes from the contour of the square 9 as illustrated on Fig.6 .

Cette solution présente l'avantage de créer une butée axiale K le long du contour à six pans de l'axe 107 au niveau du ressaut créé par le fraisage des faces 22c, 22d, ce qui permet de limiter l'engagement de l'axe 107 dans le logement 9 du stop chute. Le bout 107e (Fig.5) de l'extrémité 107a reste à distance de l'extrémité du logement 9.This solution has the advantage of creating an axial abutment K along the hexagonal outline of the axis 107 at the projection created by the milling of the faces 22c, 22d, which limits the engagement of the axis. 107 in the housing 9 stop fall. The last 107th ( Fig.5 ) of the end 107a remains at a distance from the end of the housing 9.

Cette disposition permet de s'affranchir de la présence d'une bague d'arrêt 21 comme dans le cas de Fig.2.This arrangement eliminates the presence of a stop ring 21 as in the case of Fig.2 .

Quelle que soit la solution adoptée, l'invention permet d'assurer, par serrage, un blocage axial efficace de l'embout 6 sur l'axe 7. Le serrage se maintient dans le temps, notamment lorsque l'étrier 16 est en métal, en particulier en acier, car aucune des pièces mises en jeu ne subit un fluage.Whatever the solution adopted, the invention makes it possible, by clamping, an effective axial blocking of the tip 6 on the axis 7. The clamping is maintained in time, especially when the stirrup 16 is metal , especially steel, because none of the parts involved is creep.

La solution proposée est simple et d'une mise en oeuvre rapide.The proposed solution is simple and quick to implement.

Claims (9)

  1. Assembly for mounting a roller blind comprising a tubular shaft (1) which is used to roll up and unroll the roller blind, a tip (6) being provided for connecting with shaft (1), the tip (6) being traversed by a rod (7, 107), one end of which, intended to be connected with the tubular shaft (1), is provided with a core (8) for rotatable connection with the shaft (1), the other end (7a) of the rod (7) being provided to be received in a recess (9) forming a rotatable bearing, the relative position of the tip (6) along the length of the rod (7) being variable according to the dimensions of the tubular shaft (1) and the conditions of installation of the roller blind, the mounting assembly comprising a device for locking in translation the tip (6) on the rod (7) and being characterised in that said locking device comprises a yoke (16) having two walls (16a, 16b) which are spaced apart and connected by a bridge (16c), each wall comprising a window (17a, 17b) through which the rod (7, 107) passes, the bridge (16c) having a pressure means (M) between the walls for tightly clamping the rod onto an edge (19a, 19b) of the windows, said rod (7) comprising notches (20) that are distributed in steps (p) over the length thereof, with which the edge (19a, 19b) of at least one window (17a, 17b) of the yoke (16) can cooperate so as to firmly lock the yoke on the rod and lock the tip (6) against the yoke (16).
  2. Mounting assembly according to claim 1, characterised in that the distance (D) between the edges (19a, 19b) of the windows provided for cooperating with the notches (20) is equal to a whole number (X) of steps (p) of the notches of the rod incremented by a half-step, a single edge cooperating with a notch, the control thus able to be half-step by half-step.
  3. Mounting assembly according to claim 1 or 2, characterised in that the yoke (16) is made of metal, in particular steel.
  4. Mounting assembly according to any one of the preceding claims, characterised in that the yoke (16) substantially has the shape of an inverted U.
  5. Mounting assembly according to any one of the preceding claims, characterised in that the transverse cross-section of the rod (7, 107) is a regular polygon, in particular a hexagon or square.
  6. Mounting assembly according to any one of the preceding claims, characterised in that the end (7a, 107a) of the rod from the side of the yoke opposite the tip (6) is provided for cooperating with a square recess (9) of a fall-stop device (11).
  7. Mounting assembly according to claim 6, characterised in that the rod (107) has a polygonal cross-section, in particular hexagonal, the distance (j) between the two opposite faces (22a, 22b) being equal to the side of the square recess (9), and the end of the rod intended to enter into said recess (9) is cut along two parallel faces (22c, 22d) perpendicular to the preceding ones for engaging in the recess, the cutting determining an axial abutment (K) which limits the engagement of the rod (107) in the recess of the fall-stop device.
  8. Mounting assembly according to claim 6, characterised in that the rod (7) has a square cross-section and comprises towards its end remote from the tip, a split ring (21) connected in at least one groove for limiting the connection of the rod (7) in the recess of the fall-stop device.
  9. Mounting assembly according to any one of the preceding claims, characterised in that the pressing means (M) is formed by a pressure screw (18) screwed into a tapping in the bridge (16c) of the yoke.
EP10728325A 2009-06-08 2010-06-03 Roller blind mounting assembly, including a tubular shaft Active EP2440733B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0902761A FR2946385A1 (en) 2009-06-08 2009-06-08 DEVICE FOR BLOCKING INTO TRANSLATION OF A TUBULAR SHAFT SHAFT END
PCT/IB2010/052477 WO2010143104A2 (en) 2009-06-08 2010-06-03 Roller blind mounting assembly, including a tubular shaft

Publications (2)

Publication Number Publication Date
EP2440733A2 EP2440733A2 (en) 2012-04-18
EP2440733B1 true EP2440733B1 (en) 2013-04-03

Family

ID=41557480

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10728325A Active EP2440733B1 (en) 2009-06-08 2010-06-03 Roller blind mounting assembly, including a tubular shaft

Country Status (4)

Country Link
EP (1) EP2440733B1 (en)
ES (1) ES2403507T3 (en)
FR (1) FR2946385A1 (en)
WO (1) WO2010143104A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMC20120021A1 (en) * 2012-03-16 2013-09-17 Gaposa Srl ADJUSTABLE SHELL WITH RETURN SPRING FOR ROLLERS FOR ROLLING SHUTTERS, SHUTTERS AND THE LIKE.
EP3902970A4 (en) * 2018-12-28 2022-10-12 7912854 Canada Inc. Roller blind limiter assembly, roller blind mechanism, roller blind system and method for adjusting an end position of a roller blind

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7319614U (en) * 1973-10-31 R Kittelberger & Soehne Ohg Roller shutter axis
FR2632009B1 (en) * 1988-05-30 1990-09-14 Crouzier Profilage ROLLER SHUTTER BOX
GB2222431A (en) * 1988-09-01 1990-03-07 Robert Jennings Hepworth Clamp
GB2380223A (en) * 2001-09-26 2003-04-02 Daiwa Sports Ltd Clamping device
DE102004036178A1 (en) * 2004-07-26 2006-03-23 Hilti Ag Fastening device for a carrier profile
FR2877689B1 (en) * 2004-11-10 2008-08-15 Zurfluh Feller Sa SHUTTER BOX DEVICE FOR SHUTTER BOX, WITH VERSATILE ARMOR SUPPORT AND / OR FASTENER SYSTEM AND SHUTTER DEVICE MANUFACTURING DEVICE

Also Published As

Publication number Publication date
FR2946385A1 (en) 2010-12-10
EP2440733A2 (en) 2012-04-18
WO2010143104A3 (en) 2011-03-17
WO2010143104A2 (en) 2010-12-16
ES2403507T3 (en) 2013-05-20

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