EP0649971B1 - Bevel gear drive for roller shutter - Google Patents
Bevel gear drive for roller shutter Download PDFInfo
- Publication number
- EP0649971B1 EP0649971B1 EP19940402364 EP94402364A EP0649971B1 EP 0649971 B1 EP0649971 B1 EP 0649971B1 EP 19940402364 EP19940402364 EP 19940402364 EP 94402364 A EP94402364 A EP 94402364A EP 0649971 B1 EP0649971 B1 EP 0649971B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roller shutter
- cradle
- support
- bevel gear
- gear drive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/68—Operating devices or mechanisms, e.g. with electric drive
- E06B9/76—Operating devices or mechanisms, e.g. with electric drive using crank handles
Definitions
- the present invention relates to improvements made to roller shutters. It relates more particularly to the mechanism transmitting the rotational movement from a crank or a motor along a determined axis, in a rotational movement along a generally perpendicular axis, this rotational movement is generally transmitted to a winch secured to the 'winding shaft driving the roller shutter deck in translation.
- the present invention therefore aims to overcome these drawbacks, by proposing an angle deflection device, mounted on an oscillating frame, which allows the axis of the drum winch to be oriented, crossing the wall, in a position such that it either collinear with the axis of the crank.
- the angle transmission device object of the invention, is characterized in that it comprises a cradle formed by two parallel flanks and joined by two curvilinear walls, the internal faces of said flanks being further provided with grooves allowing the movement of a box comprising housings through which is positioned a pinion assembly comprising at each of their ends an engagement zone and a rod allowing the fastening with the winch axis of the roller shutter drum and with the operating axis, said cradle cooperating with the wall section by means of a base forming a support.
- the angle transmission device essentially comprises a cradle 1, formed by two parallel sides 2, 3 joined by two curved walls 4, 5, so as to constitute a box 6.
- Each of the sides 2, 3 is provided on its inner face 7, 8 with a groove 9 with a flat or spherical imprint; these imprints cooperate with a housing 10.
- This housing also includes lateral parts 11, 12 of profile similar to the imprints present on the sides 2, 3 of the cradle 1, these lateral parts being joined by means of a crown 13.
- the housing 10 is produced from a cylindrical portion and in particular comprises, on the periphery of the crown 13, housings 14, 14 ′ projecting perpendicularly and emerging, by one of their ends 15, 16, into the internal cavity 17 of the cylindrical portion of the housing 10. Furthermore, provision is made to arrange these housings 14, 14 ′ at an open angle, between the right angle and the flat angle greater than the right angle, such as in particular 120 ° . Each of the housings 14, 14 ′ further receives a team 20 of pinions 18, 19 whose inclination of the teeth depends on the angular offset between the two respective axes of the housings.
- a crew 20 essentially comprises, at one of its ends 21, 22, an engagement zone 23 carrying the toothing, while at the other end 24, 25, the crew 20 comprises a rod 26 which s adapts by known means such as in particular by an end cavity, of the hexagon socket type 27, or by means of radial bores 28, in order to ensure its attachment to the axis coming from the crank 29, or to axis 30 of the drum winch carrying the apron.
- the imprints 9 present in the lateral flanks 2, 3 of the cradle 1 authorize an angular rotation or pivoting according to the type of imprint of the housing 10 provided with its angular gear pair.
- the openings 31, 32 present on the walls 4, 5 curvilinear and which allow the passage of the housing 14, 14 'are slightly larger in diameter and can if necessary be oblong.
- the cradle 1 cooperates with the wall panel via a base forming a support 33.
- This support comprises a flat face 34 intended to be in contact with the wall panel, while the opposite face 35 is of curvilinear profile, similar to that of the cradle.
- the support 33 is moreover provided with a plurality of holes 36, 37 for the passage, on the one hand of an assembly 20 and on the other hand, for the fixing means such as screws, of the support 33 on the Wall.
- the fixing means also make it possible to trap, at the countersinks 39, 40, and therefore to secure one of the curvilinear walls 4, 5 constituting the box 6, by virtue of the support of the fixing means on a shoulder 38 produced. on a part set back from one of the curvilinear walls 4, 5.
- a slide 41 is interposed between the support 33 and the cradle 1, the female part possibly being arranged on the side 35 of the support 33 and the male part on one of the external faces of the cradle 1.
- the slide 41 optionally has a plurality of guide surfaces, thereby limiting the degrees of freedom of the cradle 1 on the support 33, to a single direction.
- the fixing means no longer trap the cradle 1 on the support 33, the attachment of the latter being effected by the shape of the slides and in particular by their dovetail profile.
- the angular clearance between the winch axis of the roller shutter drum and its operating axis, by crank is at least 120 ° around d '' a mounting position of the support relative to the axis of the roller shutter, it being understood that the articulation or slide system allows an angular offset around this position of a few additional degrees, preferably of the order of more or less 5 °, thus making it possible to compensate for any dimensional tolerances of the wall.
Description
La présente invention est relative à des perfectionnements apportés à des volets roulants. Elle vise plus particulièrement le mécanisme transmettant le mouvement de rotation issu d'une manivelle ou d'un moteur selon un axe déterminé, en un mouvement de rotation selon un axe généralement perpendiculaire, ce mouvement de rotation est transmis généralement à un treuil solidaire de l'arbre d'enroulement entraînant en translation le tablier du volet roulant.The present invention relates to improvements made to roller shutters. It relates more particularly to the mechanism transmitting the rotational movement from a crank or a motor along a determined axis, in a rotational movement along a generally perpendicular axis, this rotational movement is generally transmitted to a winch secured to the 'winding shaft driving the roller shutter deck in translation.
Les dispositifs connus, voir par example EP-A-0 268 149, sont généralement à double cardan et présentent les inconvénients majeurs suivants : les cardans traversant le bâti du volet roulant génèrent un important désaxage permanent, de l'ordre de 60°, qui d'une part, nuit au fonctionnement correct de la cinématique du volet rolant, créant un très mauvais rendement mécanique de l'ensemble, induisant de ce fait pour l'utilisateur un effort conséquent sur la manivelle pour vaincre le couple résistant important et affectant également la fiabilité des composants. On connaît également des renvois d'angle à 90° par association de deux pignons coniques. Néanmoins, cette solution requiert un montage soigné car les rattrapages de jeux sont quasiment inexistants, ce qui supprime toutes les possibilités de montage en faux équerrage entre l'axe du treuil du tambour du volet roulant et l'axe de manoeuvre. Par ailleurs, cette conception est d'un esthétisme peu avantageux car elle nécessite l'emploi de carters volumineux.Known devices, see for example EP-A-0 268 149, are generally double gimbal and have the following major drawbacks: the gimbals passing through the frame of the roller shutter generate a large permanent offset, of the order of 60 °, which on the one hand, interferes with the correct functioning of the kinematics of the roller shutter, creating a very poor mechanical efficiency of the assembly, thereby inducing for the user a considerable effort on the crank to overcome the significant resistant torque and also affecting component reliability. There are also known 90 ° bevel gears by association of two bevel gears. However, this solution requires careful assembly because the play take-up is almost nonexistent, which eliminates all possibilities of mounting in false squaring between the winch axis of the roller shutter drum and the operating axis. Furthermore, this design is of little aesthetic advantageous because it requires the use of large casings.
La présente invention vise donc à pallier ces inconvénients, en proposant un dispositif de renvoi d'angle, monté sur un bâti oscillant, qui autorise d'orienter l'axe du treuil du tambour, traversant le mur, dans une position telle qu'il soit colinéaire à l'axe de la manivelle.The present invention therefore aims to overcome these drawbacks, by proposing an angle deflection device, mounted on an oscillating frame, which allows the axis of the drum winch to be oriented, crossing the wall, in a position such that it either collinear with the axis of the crank.
A cet effet, le dispositif de renvoi d'angle, objet de l'invention, se caractérise en ce qu'il comprend un berceau formé de deux flancs parallèles et réunis par deux parois curvilignes, les faces internes desdits flancs étant munies en outre de saignées permettant le mouvement d'un boîtier comportant des logements au travers desquels est positionné un équipage de pignons comportant à chacune de leurs extrémités une zone d'engrènement et une tige autorisant la solidarisation avec l'axe du treuil du tambour du volet roulant et avec l'axe de manoeuvre, ledit berceau coopérant au pan de mur par l'intermédiaire d'une embase formant support.To this end, the angle transmission device, object of the invention, is characterized in that it comprises a cradle formed by two parallel flanks and joined by two curvilinear walls, the internal faces of said flanks being further provided with grooves allowing the movement of a box comprising housings through which is positioned a pinion assembly comprising at each of their ends an engagement zone and a rod allowing the fastening with the winch axis of the roller shutter drum and with the operating axis, said cradle cooperating with the wall section by means of a base forming a support.
D'autres caractéristiques et avantages de la présente invention ressortiront de la description faite ci-après, en référence aux dessins annexés qui en illustrent un exemple de réalisation dépourvu de tout caractère limitatif. Sur les figures :
- la figure 1 est une vue en coupe, en élévation frontale, d'un renvoi d'angle à articulation selon l'invention ;
- la figure 2 est une vue en coupe plane, en élévation latérale, d'un dispositif de renvoi d'angle ;
- la figure 3 est une vue plane en coupe, en élévation frontale, d'un dispositif de renvoi d'angle à glissière.
- Figure 1 is a sectional view, in front elevation, of a hinged angle gear according to the invention;
- Figure 2 is a plan sectional view, in side elevation, of a bevel gear;
- Figure 3 is a plan sectional view, in front elevation, of a sliding angle gear.
Selon un mode préféré de réalisation, le dispositif de renvoi d'angle, objet de l'invention, comporte essentiellement un berceau 1, formé par deux flancs 2, 3 parallèles réunis par deux parois 4, 5 curvilignes, de manière à constituer une boîte 6. Chacun des flancs 2, 3 est muni sur sa face intérieure 7, 8 d'une saignée 9 à empreinte plate ou sphérique ; ces empreintes coopèrent à un boîtier 10. Ce boîtier comporte également des parties latérales 11, 12 de profil similaire aux empreintes présentes sur les flancs 2, 3 du berceau 1, ces parties latérales étant réunies par l'intermédiaire d'une couronne 13. Le boîtier 10 est réalisé à partir d'une portion cylindrique et comprend notamment, sur la périphérie de la couronne 13, des logements 14, 14' faisant saillie perpendiculairement et débouchant, par l'une de leurs extrémités 15, 16, dans la cavité interne 17 de la portion cylindrique du boîtier 10. Par ailleurs, on prévoit de disposer ces logements 14, 14' selon un angle ouvert, compris entre l'angle droit et l'angle plat supérieur à l'angle droit, tel que notamment 120°. Chacun des logements 14, 14' reçoit en outre un équipage 20 de pignons 18, 19 dont l'inclinaison de la denture est fonction du décalage angulaire entre les deux axes respectifs des logements. Un équipage 20 comprend essentiellement, à l'une de ses extrémités 21, 22, une zone d'engrènement 23 portant la denture, tandis qu'à l'autre extrémité 24, 25, l'équipage 20 comporte une tige 26 qui s'adapte par des moyens connus tels que notamment par une empreinte en bout, du type six pans creux 27, ou par l'intermédiaire de perçages radiaux 28, afin d'en assurer sa solidarisation à l'axe issu de la manivelle 29, ou à l'axe 30 du treuil du tambour portant le tablier.According to a preferred embodiment, the angle transmission device, object of the invention, essentially comprises a cradle 1, formed by two
Les empreintes 9 présentes dans les flancs 2, 3 latéraux du berceau 1 autorisent une rotation ou un pivotement angulaire selon le type d'empreinte du boîtier 10 muni de son couple de renvoi d'angle. Afin de limiter l'amplitude du mouvement du boîtier 10, les ouvertures 31, 32 présentes sur les parois 4, 5 curvilignes et qui permettent le passage des logements 14, 14' sont de diamètre légèrement supérieur et peuvent si besoin être de forme oblongue.The
Le berceau 1 coopère au pan de mur par l'intermédiaire d'une embase formant support 33. Ce support comprend une face plane 34 destinée à être au contact du pan de mur, tandis que la face opposée 35 est de profil curviligne, similaire à celui du berceau.The cradle 1 cooperates with the wall panel via a base forming a
Le support 33 est par ailleurs pourvu d'une pluralité de trous 36, 37 pour le passage, d'une part d'un équipage 20 et d'autre part, pour les moyens de fixation tels que des vis, du support 33 sur le mur. Les moyens de fixation permettent également d'emprisonner, au niveau de lamages 39, 40, et donc de solidariser l'une des parois curvilignes 4, 5 constituant la boîte 6, grâce à l'appui du moyen de fixation sur un épaulement 38 réalisé sur une partie en retrait de l'une des parois curvilignes 4, 5.The
Selon un autre mode préféré de réalisation, on interpose entre le support 33 et le berceau 1 une glissière 41, la partie femelle étant éventuellement disposée sur le flanc 35 du support 33 et la partie mâle sur l'une des faces extérieures du berceau 1. La glissière 41 possède éventuellement une pluralité de surfaces de guidage, limitant ainsi les degrés de liberté du berceau 1 sur le support 33, à une seule direction. Dans ce mode de réalisation particulier, les moyens de fixation n'emprisonnent plus le berceau 1 sur le support 33, la solidarisation de ce dernier étant effectuée par la forme des glissières et notamment par leur profil en queue d'aronde. Par ailleurs, on prévoit que l'un des trous 36, 37 disposés dans l'embase du support et permettant le passage de l'équipage 20, est suffisamment important, ou est réalisé sous la forme d'une ouverture oblongue pour autoriser la course angulaire du berceau 1 sur le support 33 entre une position haute et une position basse.According to another preferred embodiment, a
Quel que soit le mode de réalisation du renvoi d'angle par articulation ou par glissière, le débattement angulaire entre l'axe du treuil du tambour du volet roulant et son axe de manoeuvre, par manivelle, est d'au moins 120° autour d'une position de montage du support par rapport à l'axe du volet roulant, étant entendu que le système d'articulation ou de glissière autorise un décalage angulaire autour de cette position de quelques degrés supplémentaires, préférentiellement de l'ordre de plus ou moins 5°, permettant ainsi de compenser les éventuelles tolérances dimensionnelles du mur.Whatever the embodiment of the bevel gear by articulation or by slide, the angular clearance between the winch axis of the roller shutter drum and its operating axis, by crank, is at least 120 ° around d '' a mounting position of the support relative to the axis of the roller shutter, it being understood that the articulation or slide system allows an angular offset around this position of a few additional degrees, preferably of the order of more or less 5 °, thus making it possible to compensate for any dimensional tolerances of the wall.
Il demeure bien entendu que la présente invention n'est pas limitée aux exemples de réalisation décrits et représentés ci-dessus, mais qu'elle en englobe toutes les variantes.It remains to be understood that the present invention is not limited to the exemplary embodiments described and shown above, but that it encompasses all variants thereof.
Claims (7)
- Bevel gear drive for roller shutter, characterized in that it comprises a cradle (1) formed of two parallel flanks (2, 3) connected together by two curved walls (4, 5), the inner faces (7, 8) of said flanks being equipped also with recesses (9) permitting the movement of a housing (10) comprising seatings (14, 14'), by means of which a gear train (20) is positioned, the gears comprising, at each of their ends (21, 22, 24, 25), an engagement zone (23) and a rod (26) making possible connection to the axis of the winch of the drum (30) of the roller shutter and to the operating axis (29), said cradle (1) cooperating with the wall face by means of a base (33) forming a support.
- Bevel gear drive for roller shutter according to claim 1, characterized in that the recesses (9) present, respectively, on the lateral faces (7, 8) of the cradle (1) and (11, 12) of the housing (10) are of a similar profile, notably plane or spherical.
- Bevel gear drive for roller shutter according to any one of the preceding claims, characterized in that it is arranged to provide these seatings (14, 14') at an open angle comprised between a right angle and the straight angle greater than the right angle, such as notably 120°.
- Bevel gear drive for roller shutter according to any one of the preceding claims, characterized in that the openings (31, 32) present in the curved walls (4, 5) and which make possible the passage of the seatings (14, 14') are of a slightly larger diameter and may, if necessary, be of oblong shape.
- Bevel gear drive for roller shutter according to any one of the preceding claims, characterized in that the support (33) is provided with a plurality of holes (36, 37) for the passage, on the one hand, of a gear train (20) and, on the other hand, for the fixing means such as screws, for the support (33) to the wall.
- Bevel gear drive for roller shutter according to any one of the preceding claims, characterized in that there is interposed, between the support (33) and the cradle (1), a slider (41), the female part being, if desired, disposed on the flank (35) of the support (33) and the male part on one of the outer faces of the cradle (1), the slider (41) possessing a plurality of guide surfaces, thus limiting the degrees of freedom of the cradle (1) on the support (33) to a single direction.
- Bevel gear drive for roller shutter according to any one of the preceding claims, characterized in that it is arranged that one of the holes (36, 37) disposed in the base (33) and making possible the passage of the gear train (20) is sufficiently large, or is made in the form of an oblong opening, to permit the angular travel of the cradle (1) on the support (33) between a high position and a low position.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9312696A FR2711720B1 (en) | 1993-10-25 | 1993-10-25 | Angle return device for rolling shutter. |
| FR9312696 | 1993-10-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0649971A1 EP0649971A1 (en) | 1995-04-26 |
| EP0649971B1 true EP0649971B1 (en) | 1997-03-12 |
Family
ID=9452178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19940402364 Expired - Lifetime EP0649971B1 (en) | 1993-10-25 | 1994-10-20 | Bevel gear drive for roller shutter |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0649971B1 (en) |
| DE (2) | DE649971T1 (en) |
| ES (1) | ES2072236T3 (en) |
| FR (1) | FR2711720B1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2744167B1 (en) * | 1996-01-25 | 1998-06-12 | Zurfluh Feller | OFFSET OPERATING DEVICE FOR ROLLING SHUTTER |
| FR2748057B1 (en) * | 1996-04-26 | 1999-12-24 | Zurfluh Feller | SHIFT DEVICE WITH ANGLE RETURN MODULES FOR ROLLER SHUTTER |
| CN102678777B (en) * | 2012-06-07 | 2014-06-11 | 湖州鸿远电机有限公司 | Bevel gear elastic meshing device for roller shutter door |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR764335A (en) * | 1933-11-24 | 1934-05-18 | Baumann & Fils | Advanced toggle drive, mainly for awnings |
| FR1026678A (en) * | 1950-10-28 | 1953-04-30 | Anciens Etablissements Lacour | Control device for roller shutters |
| US3840061A (en) * | 1971-01-25 | 1974-10-08 | G Herms | Jalousie element |
| DE3639305C2 (en) * | 1986-11-17 | 1997-04-03 | Heim & Haus Vertrieb | Gearbox for winding and unwinding a roller shutter consisting of several slats, as well as the associated shell |
| DE3774436D1 (en) * | 1987-12-08 | 1991-12-12 | Selve Ernst Gmbh Co Kg | DRIVE FOR A ROLLER SHUTTER, A SHUTTER OR THE LIKE. |
-
1993
- 1993-10-25 FR FR9312696A patent/FR2711720B1/en not_active Expired - Fee Related
-
1994
- 1994-10-20 DE DE1994402364 patent/DE649971T1/en active Pending
- 1994-10-20 EP EP19940402364 patent/EP0649971B1/en not_active Expired - Lifetime
- 1994-10-20 ES ES94402364T patent/ES2072236T3/en not_active Expired - Lifetime
- 1994-10-20 DE DE1994602027 patent/DE69402027T2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE69402027D1 (en) | 1997-04-17 |
| DE69402027T2 (en) | 1997-07-10 |
| FR2711720B1 (en) | 1996-01-05 |
| ES2072236T3 (en) | 1997-05-01 |
| ES2072236T1 (en) | 1995-07-16 |
| DE649971T1 (en) | 1995-12-14 |
| EP0649971A1 (en) | 1995-04-26 |
| FR2711720A1 (en) | 1995-05-05 |
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