ES2988285B2 - Facade cladding system with panels - Google Patents

Description

[0001] DESCRIPTION

[0004] FACADE CLOSURE SYSTEM WITH PANELS

[0006] Technical Sector

[0008] The present invention relates to a plate support system, more specifically intended for use in ventilated facades.

[0010] State of the art

[0012] In recent times, in the construction sector, and more specifically in building construction, the use of enclosures consisting of ventilated facades has become relatively common.

[0014] A ventilated facade is an exterior cladding system consisting of the building's facade, an insulating layer, an air cavity, and exterior panels. This type of facade generally allows for durable, high-quality finishes and offers good thermal performance.

[0016] Generally, for ventilated facade enclosure, a metal substructure is first fixed on the facade of the building (usually comprising vertical uprights, as well as horizontal crossbeams, usually of rectangular section, fixed to said vertical uprights) intended to support the exterior plates.

[0018] Next, a layer of insulation is fixed onto the facade of the building (for example, using plastic dowels or adhesive mortar).

[0020] Once the insulation layer is in place, the outer plates are mounted to the metal substructure, securing them with fastening clips attached to the horizontal crossbeams.

[0022] The metal substructure leaves an air gap of a few centimeters between the insulation layer and the outer panels. In addition, the joints between these outer panels are open, allowing airflow.

[0023] Exterior panels can be made of various materials, the most commonly used being ceramic, but this has the disadvantage that, due to the fragility of ceramic panels, they cannot be screwed to the fixing clips, requiring the use of a "nail" system to keep them hanging, which in turn implies that in the event of large forces being exerted on the ventilated facade, for example, due to strong winds, there is a possibility that these exterior panels will become detached from the fixing clips and fall, with the corresponding danger to the health of passersby.

[0025] For this reason, the use of phenolic materials has become widespread in recent years due to all the advantages and benefits they offer. We call phenolic board, phenolic compact panel, or laminated boards boards made from multiple layers of cellulose impregnated with phenolic resins at high temperature and pressure. Their outer surfaces can be coated with various types of finishes such as laminates, wood veneers, resins, etc. These phenolic boards have the advantages of great durability and resistance, are very resistant to moisture and heat, require very little maintenance, are easy to clean, and can be screwed to fastening clips.

[0027] The most commonly used metal substructure clamp for phenolic boards is shaped like an inverted U, where one end comprises a hole for screw or rivet fixing to the phenolic board, where the other end and the upper surface are left "hanging" from the horizontal crossbar.

[0029] One of the drawbacks of this type of fastening staples is that their correct installation is very complicated and cumbersome for the operator, which translates into an increase in installation time and therefore in the cost of installation.

[0031] For example, when using this type of clamping clip, the need to screw into one end of the inverted U-shaped clamp means that the screwing must be done through the horizontal crossbar if it has a rectangular section, which implies that the crossbars must have an open surface, decreasing their mechanical strength

[0033] Therefore, a support system for ventilated facade panels is necessary to facilitate the installation of the system and the exterior panels by the operators, and to improve the support of the panels in relation to the state of the art described herein.

[0034] Object of the invention

[0036] In order to achieve this objective and solve the technical problems discussed so far, as well as provide additional advantages that may be derived later, the present invention provides a support system for ventilated facade panels comprising a horizontal crossbar of hollow rectangular profile fixed to a facade, and a fastening clip fixable to the crossbar and to which an outer panel is fixed; system in which the crossbar comprises a groove in its upper surface in which the fastening clip is fixed by fitting by means of a tab of said fastening clip, the tab comprising a geometry corresponding to said groove, and the fastening clip comprises an outer contact face configured for the support of the inner face of the outer panel.

[0038] The upper surface of the crossbar is understood to be the upper face of the crossbar in the position when the crossbar is fixed to the wall. The outer face of the fastening clip is understood to be the surface of the fastening clip in contact with the outer plate in the fixed position of the plate.

[0040] By using the present plate support system, the crossbar slot and the clamping clip tab, with a geometry corresponding to said slot, the installation of the system is made more intuitive and a simple and secure fit is achieved.

[0042] In addition, the crossbar slot comprises two side faces that act as a stop, preventing the clamping clip from swinging while attached to the crossbar, thus improving the stability of the system, both during its installation on a facade or wall, and when large forces are exerted on the ventilated facade after installation is completed, for example, due to strong winds.

[0044] The outer face of the clamping clip configured to support one face of the outer plate makes it easy to adjust the outer plate with the clamping clip, whether both faces are flat or of other geometric shapes.

[0046] Preferably, the slot extends the entire length of the crossbar, allowing the retaining clip to be moved along the entire length of the crossbar for adjustment prior to screwing the outer plate in place.

[0048] Preferably, the outer plate is attached to the clamping clip by screwing, allowing for proper fixation between the clamping clip and the outer plate.

[0050] According to a feature of the invention, the outer face of the clamping clip comprises a fin that projects upwards in the clamp's fixed position on the crossbar and into which the outer plate is screwed, thereby screwing the outer plate into a position that prevents the screw from passing through the crossbar, while allowing it to be screwed into the inner face of the outer plate so that the screw head is hidden.

[0052] Likewise, the screw is arranged so that the operator can access it without having to remove the outer plate of the crossbar.

[0054] According to another feature of the invention, the clamping clip comprises an adjustment element on an upper face, the adjustment element being in contact with the upper surface of the crossbar for height adjustment of the clamping clip with respect to the crossbar, this allows the operator to ensure during installation that the outer plate is at the desired height.

[0056] Said regulating element shall preferably be a screw in a threaded hole on the upper face of the clamping clip, which when turned presses on the surface of the upper face of the crossbar, causing the clamping clip to rise with respect to said crossbar according to the required height.

[0058] Preferably, the fastening clamp comprises an inner face configured to rest at least partially on an outer protruding surface of the crossbar, improving the stability of the fastening system.

[0060] The inner face of the fastening clip is understood to be the face that is in contact with the crossbar in the fixed position of the fastening clip. The outer protruding surface of the crossbar is understood to be the surface that is in contact with said inner face of the fastening clip in the fixed position of the fastening clip.

[0061] Preferably, the protruding outer surface of the crossbar has a rough configuration, which allows the correct addition of adhesive to said protruding outer surface, allowing better fixation of said protruding outer surface of the crossbar to the inner face of the fastening clip.

[0063] Preferably, the crossbeam is fixed by means of a connecting piece to a vertical upright fixed to the facade, wherein the connecting piece comprises a main body with a "U" profile, a tongue fixed to the base of the main body extending from the connecting piece, at least one tie plate fixed to a flange of the main body perpendicular to the flange of the main body and towards the outside of the connecting piece, wherein the tie plate comprises an extension perpendicular to the tie plate at an end opposite the end where the tongue is located.

[0065] The base of the main body is understood to be the intermediate section of the "U" profile of the joining piece, with each wing of the main body located at a different end of the base and situated perpendicular to the base.

[0067] Likewise, the outer surface of the main body is understood as the surface of the main body opposite the crossbar once it is fixed to it.

[0069] Given the "U" section of the main body profile of the joining piece, the joining piece can hug the crossbar, allowing the joining piece to slide easily along the crossbar, facilitating its installation.

[0071] The joining piece is configured to hug the vertical upright between the tongue and the extension, allowing the joining piece to slide easily along the vertical upright, facilitating its installation.

[0073] Therefore, with this combination of characteristics, the joining piece facilitates the fixing of the crossbeam to the vertical upright, thereby reducing the difficulty and time required for the installation.

[0075] Preferably, the tongue comprises clip-on projections for the vertical upright, allowing the tongue to be clipped onto the upright when it is attached, preventing accidental removal of the connecting piece from the upright during installation.

[0077] Preferably, the joining piece comprises a wedge on the outer surface of the base of the main body, allowing its connection to a Thermostop, which in turn prevents the passage of heat between the joining piece and the facade.

[0079] Preferably, the tie plate comprises diagonal grooves opposite diagonal grooves of the vertical upright, allowing a robust tie-down point in any situation, since the combination of the grooves of the tie plate and the vertical upright creates an "X" whose center is a through hole allowing the passage of fastening means for fixing the tie plate to the vertical upright.

[0081] Description of the figures

[0083] Figure 1 shows a perspective image of an example embodiment of the plate support system of the present invention.

[0085] Figure 2 shows a perspective image of a joining piece.

[0087] Figure 3 shows a perspective image of the connection between a vertical upright and a horizontal crossbar by means of the joining piece of Figure 2.

[0089] Figure 4 shows a perspective image of the connection between a vertical upright and a horizontal crossbar by means of the connecting piece from a different view than Figure 3.

[0091] Figure 5 shows a perspective image of a joining piece with a Thermostop installed.

[0093] Figure 6 shows a perspective image of the horizontal crossbar.

[0095] Figure 7 shows a perspective image of the outer plate's retaining clip.

[0097] Figure 8 shows a cross-sectional image of the fixing of the clamp to the horizontal crossbar and the outer plate.

[0099] Figure 9 shows a perspective image of another example of the fastening staple.

[0101] Figure 10 shows a front view of the clamping clip of Figure 9.

[0103] Figure 11 shows a perspective image of the joint between the horizontal crossbar and the clamping bracket of Figures 9 and 10.

[0105] Figure 12 shows a perspective image of another example of the clamping staple implementation.

[0107] Figure 13 shows a perspective image of another example of the clamping staple implementation.

[0109] Figure 14 shows a perspective image of the joint between the horizontal crossbar and the clamping bracket of Figure 13.

[0111] Detailed description of the invention

[0113] The present invention relates to a plate support system (1) for ventilated facades, as can be seen in the practical example of figure 1. The present system comprises a metal substructure fixed to a facade, or wall, by means of anchoring means, such as, for example, screws.

[0115] In a preferred embodiment, as can be seen in Figure 1, the metal substructure comprises a plurality of vertical uprights (2) fixed to the facade by means of anchoring means, said plurality of vertical uprights (2) being U-shaped metal profiles, such that a plurality of horizontal crossbeams (3) are fixed to the vertical uprights (2) by means of joining pieces (4), and a plurality of fastening clamps (5) being fixed to said horizontal crossbeams (3).

[0117] It should be noted that, although in this example of preferred embodiment the possibility is mentioned that the metal substructure comprises a plurality of vertical uprights (2) and connecting pieces (4) to the crossbeams (3), the possibility that the horizontal crossbeams (3) themselves are fixed to the facade by means of anchoring means is not ruled out.

[0118] Figure 2 shows an example of a joining piece (4) for fixing the horizontal crossbar (3) to the vertical upright (2). This joining piece (4) comprises a main body (4.1) with a "U" profile, so that it can be placed around the horizontal crossbar (3).

[0120] Likewise, the joining piece (4) comprises a tongue (4.2) fixed to the base of the main body (4.1) so that it extends from the joining piece (4).

[0122] Furthermore, the connecting piece (4) comprises fastening plates (4.3), each fixed to a different flange of the main body (4.1) perpendicularly and outwards from the connecting piece (4), at the same end of the connecting piece (4) to which the tongue (4.2) is fixed, for bolting the connecting piece (4) to the vertical upright (2). fastening plate (4.3).

[0124] The tie plate (4.3) comprises diagonal grooves opposite diagonal grooves of the vertical upright (2), as can be seen in Figure 3, so that the combination of the grooves of the tie plate (4.3) and of the vertical upright (2) creates an "X" whose center is a through hole allowing the passage of fastening means for fixing the tie plate (4.3) to the vertical upright (2).

[0126] Additionally, the joining piece (4) comprises in each tie plate (4.3) extensions (4.4) perpendicular to the tie plate (4.3) located at the opposite end of the joining piece (4) where the tongue (4.2) is located, in this way the joining piece (4) is configured to embrace the vertical upright (2) on one side with the tongue (4.2) and on the other side with the extensions (4.4), as can be seen in figures 3 and 4.

[0128] As can be seen in Figure 2, the tongue (4.2) may comprise clip-on protrusions (4.6) for clip-on connection between the tongue (4.2) and the vertical upright (2), as can be seen in Figure 4, so as to prevent accidental removal of the joining piece (4) from the vertical upright (2) during installation.

[0130] Likewise, the main body (4.1) comprises on the outer surface of its base a wedge (4.5) that allows the connection of a Thermostop (4.5.1), as can be seen in Figure 5, which in turn prevents the passage of heat between the joining piece (4) and the facade.

[0132] As can be seen in Figure 6, the horizontal crossbeams (3) are substantially rectangular metal profiles with an outer protruding surface (3.1) opposite an inner surface (3.2), where the inner surface (3.2) is in contact with the facade.

[0134] The crossbar (3) comprises an upper surface (3.3) in the installed position, which comprises a groove (3.4) along its length, for fixing the clamping clip (5) such that said groove (3.4) serves to guide the clamping clip (5) along the length of the crossbar (3) to the desired mounting position.

[0136] As can be seen in Figures 7 and 8, for its attachment, the fastening clip (5) comprises a tab (5.2) perpendicular to an upper face (5.1) in the installed position of the fastening clip (5). This tab (5.2) is configured for attachment to the crossbar (3) by inserting the tab (5.2) into the groove (3.4) of the crossbar (3), where it is secured by gravity.

[0138] The clamping clip (5) comprises on the upper face (5.1), a hole (5.1.1) for the passage of an adjustment element (5.1.2), so that once the clamping clip (5) is installed on the crossbar (3), the adjustment element (5.1.2) (which, for example, may be a screw), is in contact with the upper surface (3.3) of the crossbar (3) for the height adjustment of the clamping clip (5) with respect to the crossbar (3), which will consequently allow the position of the outer plate (1) to be adjusted as required.

[0140] The protruding outer surface (3.1) of the crossbar (3) may have a rough configuration, which facilitates attachment by gluing to the fastening clip (5) as a complement to reinforce the gravity attachment produced by the flange (5.2).

[0142] Furthermore, since the outer protruding surface (3.1) is extended with respect to the main body of the crossbar (3), said outer protruding surface (3.1) has a smaller area, which reduces the amount of adhesive required to perform the gluing fixation of the fastening clip (5), so that an inner face (5.4) of the fastening clip (5) will be in contact with said outer protruding surface (3.1) for greater support and stability of the fastening clip (5), avoiding vibrations.

[0143] On the outer face (5.3) of the fastening clip (5), said outer face (5.3) being understood as the one that remains in contact with the outer plate (1) in the installed position of the clip (5) on the crossbar (3), said outer face (5.3) being configured to support the inner face of the outer plate (1), in the specific case of this example of preferred embodiment, both the outer face (5.3) and said face of the outer plate (1) are flat.

[0145] Said outer face (5.3) of the fastening clip (5) comprises a fin (5.3.1) that projects upwards, in the installed position, with respect to the upper face (5.1), wherein the fin (5.3.1) comprises a fastening hole (5.3.2) for screw fixing of the outer plate (1).

[0147] As can be seen in Figure 8, the presence of this fin (5.3.1) prevents the fastening screw (5.3.3) from passing through the crossbar (3) when the outer plate (1) is screwed to the clamping clip (5). In addition, it leaves the fastening screw (5.3.3) easily accessible to the operator. In this way, the outer plate (1) will be fixed to the crossbar (3) through the clamping clip (5), with the fastening screw (5.3.3) of the plate (1) hidden on the inside of the plate.

[0149] The outer plate (1) can be made of any material that allows it to be screwed in, such as phenolic material.

[0151] In addition, for maintenance purposes, the clamping clip (5) is provided to include at its lower end a fold (5.5), which allows the operator to easily separate the clamping clip (5) from the crossbar (3) either manually or by using a lever tool.

[0153] Figures 9 to 10 show another example of embodiment of the fastening clamp (5), where it comprises a lower section (5.6) and an upper section (5.7), understanding upper or lower with respect to position with respect to the ground once the fastening clamp (5) is installed.

[0155] The lower section (5.6) comprises a sheet metal body of Y shape, comprising two upper ends respectively ending in a fold, adapted for installation on the horizontal crossbar (3), as can be seen in figure 11.

[0156] The lower section (5.6) comprises an inverted L-shaped extension (5.6.1), configured for securing the upper part of a first plate (1), preferably by inserting said inverted L-shaped extension (5.6.1) into a cavity of said first plate (1).

[0158] Preferably, the lower section (5.6) comprises at least two fixing holes (5.8) for attaching the lower section (5.6) to the crossbar (3) by means of fixing screws (5.8.1).

[0160] These two fixing holes (5.8.1) are located on both sides and in a horizontal position slightly above the inverted L-shaped extension (5.6.1), so that once the top of the first plate (1) is in place, an operator would have access to these fixing holes (5.8), making it easier to screw and unscrew the fixing screws (5.8.1).

[0162] Additionally, the lower section (5.6) comprises a fixing hole (5.8) located below an inverted L-shaped extension (5.6.1) to improve the attachment of the lower section (5.6) to the crossbar (3) by means of a fixing screw (5.8), so that once the top of the first plate (1) is in place, this fixing hole (5.8) would be hidden by the first plate (1).

[0164] Additionally, the lower section (5.6) comprises an opening (5.6.2) for fixing the upper section (5.7), such that said opening (5.6.2) serves to guide the upper section (5.7) along the length of the opening (5.6.2) to the desired mounting position.

[0166] The upper section (5.7) comprises an L-shaped extension (5.7.1), configured for securing the lower part of a second plate (1), preferably by inserting said L-shaped extension (5.7.1) into a cavity of said second plate (1).

[0168] The combination of the L-shaped extension (5.7.1) of the upper section (5.7) with the opening (5.6.2) of the lower section (5.6) allows the operator to level the second plate (1) during assembly.

[0170] Additionally, the upper section (5.7) comprises a fixing hole (5.8) located above the L-shaped extension (5.7.1) for securing the upper section (5.7) to the crossbar (3) by means of a fixing screw (5.8.1), so that once the lower part of the second plate (1) is in place, this hole would be hidden by the second plate (1).

[0172] Both the lower section (5.6) and the upper section (5.7) respectively comprise a rubber stud (5.9) for unloading the plate (1).

[0174] Figure 12 shows another example of embodiment of the clamping clip (5), configured to hold a plate (1) by a cavity that coincides during assembly with a surface of the vertical upright (2).

[0176] Said clamping clip (5) comprises at one end an L-shaped extension (5.7.1) configured for clamping the lower part of a plate (1), likewise the clamping clip (5) comprises several fixing holes (5.8) for fixing the clamping clip (5) to the crossbar (3) by means of fixing screws (5.8.1).

[0178] Figures 13 and 14 show another example of embodiment of the clamping clip (5), configured to hold a plate (1) by a cavity that coincides during assembly with a surface of the vertical upright (2).

[0180] This clamping clip (5) comprises an inverted L-shaped extension (5.6.1), for clamping a first plate (1), by inserting said L-shaped extension (5.7.1) into a cavity of said first plate (1).

[0182] Additionally, the fastening clip (5) comprises an L-shaped extension (5.7.1) configured for fastening a second plate (1), by inserting said L-shaped extension (5.7.1) into a cavity of said second plate (1).

[0184] Likewise, the clamping clip (5) comprises several fixing holes (5.8) for attaching the clamping clip (5) to the crossbar (3) by means of fixing screws (5.8.1).

[0186] As can be seen in Figure 14, the fastening clip (5) is attached to the crossbar (3) preferably through the hole furthest from the inverted L-shaped extension (5.6.1) and the L-shaped extension (5.7.1), leaving the inverted L-shaped extension (5.6.1) and the L-shaped extension (5.7.1) in contact with the surface of the vertical upright (2).

Claims (10)

1. CLAIMS 1. - A facade cladding system with panels (1) comprising a horizontal crossbar (3) of hollow rectangular profile fixed to a facade, and a fastening clip (5) attachable to the crossbar (3) to which an exterior panel (1) is fixed, wherein the crossbar (3) comprises a groove (3.4) on its upper surface (3.3) into which the fastening clip (5) is attached by means of a tab (5.2) of said fastening clip (5), the tab (5.2) having a geometry corresponding to said groove (3.4), and wherein the fastening clip (5) comprises an outer contact face (5.3) configured for supporting the inner face of the exterior panel (1), characterized in that the crossbar (3) is fixed by means of a connecting piece (4) to a vertical mullion (2) fixed to the facade, wherein the connecting piece (4) comprises a main body (4.1) with a "U" shaped profile that is positioned around the horizontal crossbar (3), wherein the "U" profile comprises a base which is the intermediate section of the "U" profile and two flanges, each flange of the main body (4.1) being located at a different end of the base and positioned perpendicular to the base, a tongue (4.2) fixed to the base of the main body (4.1) extending from one end of the connecting piece (4) in the direction of the vertical stile (2) once the connecting piece (4) is fixed to the crossbar (3) for connection with the vertical stile (2), at least one tie plate (4.3) fixed to a flange of the main body (4.1) perpendicular to the flange of the main body (4.1) as well as to the base of the main body (4.1) and in the opposite direction to the crossbar (3) once the connecting piece (4) is fixed to the crossbar (3) at the same end of the connecting piece (4) to which the tongue (4.2) for connection to the vertical upright (2), wherein the tie plate (4.3) comprises an extension (4.4) perpendicular to the tie plate (4.3) at an end opposite to the end where the tongue (4.2) is located. 2. - Facade enclosure system, according to the previous claim, characterized in that the groove (3.4) extends along the entire length of the crossbar (3). 3. - Facade enclosure system, according to any one of the preceding claims, characterized in that the outer plate (1) is fixed to the fastening clip (5) by screwing. 4. - Façade enclosure system, according to the previous claim, characterized in that the outer face (5.3) of the clamping clip (5) comprises a fin (5.3.1) that projects upwards in the fixed position and to which the outer plate (1) is screwed. 5.- Façade enclosure system, according to any one of the preceding claims, characterized in that the fastening clamp (5) comprises an adjustment element (5.1.2) on an upper face (5.1), the adjustment element (5.1.2) being in contact with the upper surface (3.3) of the crossbar (3) for height adjustment of the fastening clamp (5) with respect to the crossbar (3). 6. - Façade enclosure system, according to any one of the preceding claims, characterized in that the fastening clamp (5) comprises an inner face (5.4) configured to rest at least partially on an outer protruding surface (3.1) of the crossbar (3). 7. - Façade enclosure system, according to the previous claim, characterized in that the protruding outer surface (3.1) of the crossbar (3) has a rough configuration. 8.- Façade enclosure system, according to any one of the preceding claims, characterized in that the tongue (4.2) comprises clipping protrusions (1.2.6) with the vertical upright (2). 9. - Façade enclosure system, according to any one of the preceding claims, characterized in that the joining piece (4) comprises a wedge (4.5) on the outer surface of the base of the main body (4.1). 10. - Facade enclosure system, according to any one of the preceding claims, characterized in that the fastening plate (4.3) comprises diagonal grooves opposite diagonal grooves of the vertical upright (2).