FR3017647A1 - CASING FOR A RUNNING MEANS OF OCCULTATION - Google Patents

Description

The subject of the present invention is a box for an occulting rolling means such as a shutter, and more particularly an airtight shutter box. Generally, the winding mechanism of a roller shutter is integrated in a box, itself installed in a reserved location above an opening, such as a window or a door for example. This box can still be integrated and secured to the window in a mounting known to those skilled in the art under the name of bay block and, finding a particular application in renovation.

The winding mechanism usually comprises a winding drum around which rolls or unwinds a shutter apron, and a maneuver for the actuation in rotation of the drum. The winding mechanism is generally attached to the cheeks closing the chest at its ends. To facilitate removal of the mechanism, some chests include a drawer supporting the winding mechanism and slidable along the cheek to allow the removal of the mechanism through a trunk inspection hatch. Document FR 2946994 of the present applicant discloses such a roller shutter box, comprising a removable drawer slidable relative to the cheek of the trunk through a cheek release opening, located on the front.

According to this prior art, the drawer comprises a front portion, the wall of which closes the opening of clearance of the cheek when the drawer is in the retracted position, against which part the edge of the front wall of the trunk is intended to support , laterally. However, in such a device of the state of the art, the problems of airtightness of the trunk, and its thermal performance are not discussed, the cheek of the trunk not having sealing means such as a seal at the drawer release opening, to achieve airtightness at that level. Although it is theoretically possible to add joints at the clearance opening, in particular between the drawer and the cheek, on the one hand, and between the drawer and the front wall, on the other hand their integration would be difficult. These, typically elastomeric material, would generate, moreover, friction forces opposing the extraction of the drawer, during its sliding, in particular between the cheek and the drawer. These joints would probably be damaged by this friction. The invention particularly aims to overcome the various disadvantages of these known techniques.

More specifically, an object of the invention is to provide a box facilitating the removal of the winding mechanism, while providing a reliable seal. The invention also aims, at least in a particular embodiment, to provide a box that is simple to implement and inexpensive. These objectives, as well as others which will appear more clearly later, are achieved according to the invention with the aid of a box intended to receive the winding mechanism of an occulting rolling means and / or obscuration of an opening, in particular a shutter, said box comprising a bottom wall, a front wall, an upper wall and a bottom wall oriented perpendicular to at least one cheek intended to close said box in one of its ends, and wherein said at least one cheek comprises a bottom, a flange extending at the periphery of the cheek except the front edge, the flange forming respectively a lower flange, an upper flange and a flange of bottom, respectively intended to cooperate with said bottom wall, said top wall and said bottom wall. According to the invention, said box has sealing means comprising: - a first seal extending on said flanges of said cheek so as to seal between said cheek and said lower and upper bottom walls, a removable sealing tip comprising a first surface intended to abut with said front wall, and a second surface perpendicular to said first surface and forming a stall, intended to abut against the cheek, - A second seal extending on both surfaces so as to ensure the sealing between said front wall and said cheek and cooperating with said first seal so as to seal said box. According to optional features of the invention, taken alone or in combination: - said front edge without a rim of said cheek forms with the upper and lower edges a release opening allowing the removal of the winding mechanism, once the sealing end and the front wall removed; the box comprises means for removing said winding mechanism, said removal means comprising a drawer receiving one of the ends of said winding mechanism, said drawer being able to slide in translation relative to said cheek through said opening of release of said cheek; the sealing tip comprises a surface intended to overlap on the outer wall of said cheek; said second seal comprises openings able to pass through the fastening members of the sealing end to said front wall; - said front wall is formed by a hollow profile, said fasteners being intended to cooperate by interlocking with said hollow profile; said fastening members and the sealing tip form a plastic part in one piece or alternatively separate parts; said seals are made of flexible material, preferably a flexible plastic such as flexible polyethylene; said first seal extending over said flanges of said flange is preferably one continuous element, or alternatively may comprise a plurality of distinct sections extending along the bottom, bottom and top flanges; - said flange extending to the periphery of the cheek except the front edge, and forming respectively said lower flange, said upper flange and said bottom flange, may comprise: - a groove for the laying of a joint poured and - a surface for the installation of a flat gasket, and so as to allow said first seal to be constituted indifferently by said cast gasket or said flat gasket. The invention also relates to a bay block comprising a housing for the renovation of housing.

Other features and advantages of the invention will appear more clearly on reading the following description of a particular embodiment of the invention, given as a simple illustrative and nonlimiting example, and the appended drawings, among which: - Figure 1 is a front view of a cheek of a box according to the invention, according to one embodiment; - Figure 2 is a partial perspective view of a shutter box according to the invention, with the front wall retracted; - Figure 3 is a perspective view, in a horizontal section, of a cheek of a box according to the invention equipped with a sealing tip; - Figure 4 is a perspective view illustrating in detail the fitting of the front wall to the sealing tip; - Figure 5 is a perspective view of a box according to the invention, the access door being closed by the establishment of the front wall, - Figures 6 and 7 are respective views of the same cheek whose peripheral edge allows indifferently the installation of a cast joint (Figure 6) or a flat seal (Figure 7). As previously mentioned, the general principle of the invention is therefore based on the implementation of a shutter box, intended to ensure a good seal and facilitate the removal of the winding mechanism. As can be seen in FIG. 2, according to one embodiment, the shutter casing 1 receives a winding mechanism of a concealment and / or obscuration means, such as a shutter apron. rolling (not shown), adapted to be secured at the end of a box.

More specifically, the roller shutter box 1 comprises a bottom wall 11, a front wall 12, an upper wall 13 and a bottom wall 14, made of extruded plastic for example, oriented perpendicular to at least one cheek 2 intended to close the door. caisson 1 at one of its ends. Preferably, the box comprises two said cheeks 2, respectively right and left, respectively for closing the box at both ends. The box can receive a winding mechanism of a rolling medium for concealing and / or obscuring an opening, and in particular: - preferably, a guide flange (not shown), inside the box, suitable guiding the winding or the unwinding of the occulting means and / or of scurci s ss - a maneuver 9, such as a winch, pulley or other, - a shutter apron, - a tube of winding around which can roll the apron. Preferably, the box comprises a removable drawer 6 provided for removing the winding mechanism through the inspection door of the box. This inspection hatch is typically constituted here by the front wall assembly 12 and sealing end (s) 4 and which, when removed, allow a large opening to be removed for the removal of the winding mechanism from the rolling medium. occultation. The casing 1 of the shutter, illustrated in the figures, may be of the bay block type, that is to say integrated and secured to a window, finding a particular application in renovation.

The cheek 2 comprises a bottom 20, a flange extending around the periphery of the cheek 2 with the exception of the front edge 25, the flange forming respectively a lower flange 21, an upper flange 22 and a bottom edge 23, intended respectively to cooperate with the lower wall 14, the upper wall 13, and the bottom wall 11.

As can be seen in the figures, the lower rim 21, the upper rim 22 and the bottom rim 23 extend perpendicularly from the bottom 20 of the cheek 2 over a sufficient height so that the ends (ie the songs) of the bottom wall 11, the bottom wall 14 and the upper wall 13 rest against the respective flanges.

According to an essential characteristic of the invention, the casing 1 has sealing means comprising: a first seal 3 extending along the flanges 21 to 23 of the cheek 2 so as to seal the cheek 2, on the one hand, and the bottom wall 11, the lower wall 14 and the upper wall 13, on the other hand, - a sealing cap 4, removable, comprising a first surface 41, intended to abut with the front wall 12, and a second surface 42, perpendicular to the first surface 41 and forming a stall, intended to abut against the cheek 2, and - a second seal 5 extending on both surfaces 41,42 so as to ensure the sealing between the front wall 12 and the cheek 2 and cooperating with the first seal 3 so as to seal said box. Preferably, the first seal 3 extends, as far as possible, continuously along the flanges 21 to 23. According to the illustrated embodiment, for example, the first seal 3 extends continuously along the flanges 21 to 23. 23, with the exception of a zone in the immediate vicinity of the slide intended to guide the deck.

According to a variant of the invention, the first seal 3 extending on the flanges 21 to 23 of the cheek 2 may comprise several distinct sections, in particular three in number, each distinct section extending respectively along the bottom edge. 23, the lower flange 21 and the upper flange 22. The second seal 5 is intended to be clamped between the edge of the front wall 12 and the first surface 41 of the sealing cap 4, on the one hand, and between the front edge 25 of the cheek 2 and the second surface 42 of the sealing tip. As illustrated in Figure 1, and more generally, the second seal 5 extends along the front edge 25 on the height of the cheek 2, from the lower flange 21 to the upper flange 22, in order to ensure the continuity of the seal made by the first seal 3, coming to cooperate with said first seal 3, at the upper flange 22 and at the bottom flange 21. Advantageously and according to an embodiment illustrated in FIGS. and 7, said flange extending at the periphery of the cheek 2 with the exception of the front edge, and forming respectively said lower flange 21, said upper flange 22 and said bottom flange 23, can allow the laying of two types of seal. For this purpose this peripheral flange comprises simultaneously: - a groove for the installation of a cast seal 31, housed in said groove, and - a surface for laying a flat seal 32. As illustrated in Figure 6, the first seal 3 can be constituted by said cast seal 31. Alternatively and as shown in Figure 7, the same cheek 2 allows the installation of a flat seal 32. The user has the choice on the type of seal used . Optionally, the cheek 2 may comprise a peripheral groove running above and in close proximity to the bottom flanges 23, lower 21 and upper 22, the groove being intended to receive the first seal 3 to hold it in place and ensure reliable sealing during assembly of the casing 1. The cheek 2 also comprises a front edge 25, preferably without a flange so as to form, with the upper flange 22 and the lower flange 21, a release opening 24 allowing removal of the winding mechanism. When the box is closed, this opening 24 of clearance is obstructed by the sealing tip 4 and the second seal 5 associated with this nozzle 4. This opening 24 clearance allows the removal of the drawer 6, once the tip of seal 4 removed; the drawer 6 then allows to remove the winding mechanism, when the front wall 12 is removed. In the example illustrated in the figures, and more generally according to one embodiment, the flange 2 may comprise on its inner wall bracing means 8 intended to ensure the positioning of the guide flange relative to the cheek 2 and the drawer 6. These bracing means 8 comprise studs, projecting from the bottom wall of the cheek and intended to cooperate by interlocking with complementary parts, in particular female parts, of the guide flange. By providing complementary parts of different dimensions, it is possible to adjust the spacing between the cheek and the guide flange. According to a particular embodiment of the invention, the casing 1 may comprise means for removing the winding mechanism 9, the depositing means possibly comprising said removable drawer 6 receiving one of the ends of the winding mechanism 9, the drawer 6 being able to slide in translation relative to the cheek 2, through the opening 24 of clearance of the cheek. In a box with two cheeks 2, the casing forming the airtightness of the box is constituted essentially, by said cheeks 2, the walls respectively lower, and upper, bottom and front, marked 11 to 14, the 4 and the first and second seals marked 3 and 5. On the other hand and according to this embodiment, the slide 6 is disposed internally to this sealed envelope and does not participate in achieving the seal. According to a particular embodiment, the removable drawer 6 may consist essentially of a plate, able to cooperate in sliding with the cheek 2, disposed substantially parallel to the bottom of the cheek and supporting the winding mechanism and more particularly the drum winding and its apron, and a maneuver 9 such as a winch. The removable drawer 6 cooperates in translation at the level of the cheek by means 7 for guiding in translation between the plate and the cheek 3 which allow the translation of the drawer 6 to be withdrawn from the cheek 2, or on the contrary the installation the drawer 4 in the cheek 2. Thus, the drawer 4 can be extracted from the box 1 in a horizontal translation through an access door disposed in front of the box 1 for example. For this purpose, the box 1 may have said front wall 12, which is easily removable. As illustrated in the figures, the means 7 for guiding in translation between the drawer 6 and the cheek 3 can be formed by returns 71 of inverted section L, in particular molded plastic monoblock with the cheek 2, distributed on the face internal wall of the bottom wall of the cheek 2 so as to cooperate in sliding with two opposite edges of the plate forming the removable drawer 6. As illustrated in Figure 2, and more generally according to one embodiment, the drawer 6 has in particular at one of its faces a pin 63 provided for the rotational support of the winding shaft of the winding mechanism. As illustrated in the examples of the figures, and more generally according to one embodiment, the plate forming the drawer 6 may comprise a recess 61, of an oblong shape for example, which can serve as a handle to remove or put in place easily the drawer 6.

When the drawer 6 is placed in the cheek, translated inwardly of the box, its final position can be fixed by stop means 73 engaging with the drawer at the end of travel of the drawer 6.

According to the illustrated example, and more generally according to one embodiment, in order to avoid an unwanted disassembly of the drawer, the box may comprise locking means 62,72 of the position of the drawer 6 relative to the cheek 2. These locking means may comprise a hook 62 provided with a gripping means 64 and secured to the body of the drawer by means of an elastic connection 65, and a projection 72 secured to the cheek 2, intended to be hooked by the hook 62, end of stroke, when inserting the drawer. When the slide 6 is inserted into the cheek 2, between the guide means 7, the hook 62 is configured to engage with the projection 72 at the end of travel of the slide, and automatically escape this projection 72 by deformation of the elastic connection 65. Once this protrusion 72 passed, the elastic connection 65 allows the hook 62 to return to position and cooperates with the projection 72 to prevent the withdrawal of the drawer 6. When removing the mechanism, the operator must first unlock the drawer by pressing the gripping means 64 to release the hook 62, before translating the drawer. The hook 62, the gripping means 64 and the elastic connection 65 may be made in one piece with said plate, thanks to a specific form of said plate, said elastic connection being constituted in particular by a weakening section of the plate. The sealing end-piece 4, visible in FIGS. 3 and 4, is intended to be placed at the level of the clearance opening 24 in such a way as to obstruct the latter when the front wall 12 is placed in place. sealing tip 4 comprises a first surface 41, intended to abut with the front wall 12, and more precisely against the edge of the front wall 12, and a second surface 42, perpendicular to the first surface 41 and forming a stall, intended to abut against the cheek 2. According to the embodiment illustrated in the figures, the sealing tip 4 may also comprise a surface 43 intended to overlap on the outer wall of the cheek 2 , on the height of the cheek and so as to cover any space between the cheek 2 and the sealing tip 4.

The sealing tip 4 can be attached to the cheek by means of clips for example, to which additional securing means such as screws can be added. The sealing tip 4 may also include fasteners 44,45 to the front wall 12, the fasteners 44,45 being in the form of parts, in particular plastic, male. The securing members 44, 45 are in particular intended to cooperate by interlocking with the edge of the front wall 12, the front wall 12 being in the form of a hollow extruded profile inside which the parts fit together. males. For this purpose and according to a particular embodiment of the invention, the second seal 5 may include openings 51,52 to be traversed by the fastening members 44,45 of the sealing tip 4. According to a particular embodiment of the invention, the fasteners 44,45 and the sealing tip 4 form a piece of plastic in one piece that can be obtained by molding. According to another alternative, the securing members and the tip 4 are constituted by separate elements, assembled to each other. According to a particular aspect of the invention, the second seal 5 extends over the entire surface of the first and second surfaces 41, 42 of the sealing tip 4, the sealing tip 4 having a front face 46, a lower face 47 and an upper face 48 of a thickness slightly greater than that of the cheek 2 so that the second seal 5 is not visible from the outside. Advantageously, the lower 47 and upper 48 faces also cover at least partially the cheek 2 respectively at the lower and upper parts, as well as the walls adjacent to the cheek 2.

Advantageously, the seals are made of flexible material, of the elastomer type, preferably a flexible plastic such as flexible polyethylene. The mounting of the casing 1 can be carried out in the following manner: in a first step, the bottom wall 11, the upper wall 13 and the bottom wall 14 are assembled at each of their ends to a cheek 2 at the level of the bottom flanges 23, upper 22 and lower 21, each wall being pressed against the cheek 2 so as to pinch the first seal 3 and rest against the edges of the cheek 2, then screwed to be held in place, such an assembly is illustrated in FIG. Figure 2; - A sealing cap 4 equipped with the second seal 5 is secured, in particular by clipping for example at each end of the front wall 12 so as to pinch the second seal 5 and thus make the tip assembly 4 / wall of watertight facade 12; - The front wall 12 equipped with the sealing tip 4 is then put in place, the sealing tip 4 is clipped to the cheek 2 so as to pinch the second seal 5 between the cheek 2 and the second surface 42 of the nozzle 4 and so as to press the second seal 5 against the ends of the first seal 3 to seal the casing 1. - preferably, the covering surface 43 of the sealing cap 4 then covers part of the outer surface, and the lower 47 and upper 48 of the tip 4 also covering at least partially the cheek 2 at the lower part and the upper part; - Lastly, the sealing tip 4 can be screwed to the cheek 2, in the lower part or in the upper part, so as to secure the assembly, without affecting the sealing of the casing 1. The invention relates to a block bay comprising a box as described above, especially for home renovation. Naturally, other embodiments could have been envisaged by those skilled in the art without departing from the scope of the invention defined by the claims below.

NOMENCLATURE 1. Pedestal, 44,45. Fixing members, 11. Bottom wall, 46. Front face of the mouthpiece, 12. Facade wall, 47. Bottom face of the mouthpiece, 13. Upper wall, 48. Top face of the mouthpiece, 14. Bottom wall, 5. Second seal, 2. Play, 51.52. Second seal openings, 20. Bottom of cheek, 6. Removable drawer, 21. Bottom edge, 61. Obviously oblong, 22. Top edge, 62. Hook (Locking means), 23. Bottom edge, 63. Trunnion, 24. Release opening, 64. Gripping means (Hook), 25. Front edge (cheek) 65. Elastic connection between hook and 3. First seal, drawer body. 31. Cast seal (First seal 3), 7. Drawer guide means, 32. Flat seal (First seal 3) 71. Returns, 4. Seal end, 72. Projection 41. First surface of the nozzle, 8. Means of bracing, 42. Second surface of the mouthpiece, 9. Maneuvering, 43. Cover surface, 10. Slide.

Claims (10)

REVENDICATIONS1. Box (1) intended to receive the winding mechanism of a rolling medium for concealing and / or obscuring an opening, in particular a shutter, said box comprising a bottom wall (11), a wall of facade (12), an upper wall (13) and a bottom wall (14) oriented perpendicular to at least one cheek (2) for closing said casing (1) at one of its ends, wherein said at least one cheek (2) comprises a bottom (20), a flange extending on the periphery of the cheek (2) with the exception of the front edge, the flange forming respectively a lower flange (21), an upper flange (22). ) and a bottom flange (23) intended respectively to cooperate with said bottom wall (11), said upper wall (13) and said bottom wall (14), said box (1) having sealing means comprising a first seal (3) extending along said flanges (21 to 23) of said cheek (2) in such a way the sealing between said cheek (2) and said bottom (11), bottom (14) and upper (13) walls is carried out, - a removable sealing cap (4) comprising a first surface (41) , intended to abut with said front wall (12), and a second surface (42), perpendicular to said first surface (41) and forming a stall, intended to abut against the cheek (2), - a second seal (5) extending on both surfaces (41, 42) so as to ensure the sealing between said front wall (12) and said flange (2) and cooperating with said first seal (3) of such in order to seal said box (1). 2. Casing (1) according to claim 1, wherein said flanking edge (25) without flange of said cheek (2) forms, with the upper flanges (22) and lower (21), a release opening (24). ) allowing the removal of said winding mechanism, once the sealing cap (4) and the front wall (12) removed. 3. Box (1) according to claim 2, comprising means for removing said winding mechanism, said removal means comprising a spool (6) receiving one end of said winding mechanism, said spool (6) being adapted to slide in translation relative to said cheek (2) through said release opening (24) of said cheek (2). 4. Box (1) according to one of claims 1 to 3, wherein said sealing tip (4) comprises a surface (43) intended to overlap the outer wall of said cheek (2). 5. Housing (1) according to one of claims 1 to 4, wherein said second seal (5) comprises openings (51, 52) able to pass the fastening members (44, 45) of the end of sealing (4) to said front wall (12). 6. Housing (1) according to claim 5, wherein said front wall (12) is formed by a hollow profile, said fastening members (44, 45) being intended to cooperate by interlocking with said hollow profile. Casing (1) according to one of claims 1 to 6, wherein said rim extending at the periphery of the cheek (2) with the exception of the front edge, and forming respectively said lower flange (21). , said upper flange (22) and said bottom flange (23) comprise: - a groove allowing the installation of a cast gasket (31) - a surface allowing the installation of a flat gasket (32), and in such a way to allow said first seal (3) to be constituted indifferently by said cast gasket (31) or said flat gasket (32). The casing of claim 7, wherein said first seal (3) is a flat seal (32). The casing of claim 7, wherein said first seal (3) is a cast seal (31). 10. Berry block comprising a box (1) as claimed in one of claims 1 to 9.