SK70494A3 - Bearing construction of light panels from easily dismountable units - Google Patents

Abstract

Knockdown-elements framework is constituted by a plurality of vertical bars (1) fixed to a wall, a cantilever roof or the like, by upper (5) and lower (5a) anchoring flanges inclined at 45 degrees, provided at their ends with an upper stretching section bar (14) and a lower stretching section bar, by a plurality of upper (21), intermediate and lower (20) reflective plates, the latter being designed to horizontally slide within a continuous grooved seat, placed on said lower anchoring flanges and vertically on a folded strip (23) provided at the base of the intermediate reflective plates, the lower stretching section bar being shiftable, integrally with the lower anchoring flanges, upwards and/or downwards, in order to allow a perfect stretching of the flexible sheet which constitutes the display.

Description

Technical field

The present invention relates to a load-bearing structure of easily removable elements, comprising at least partially modular parts and serving to fasten and tension large light panels made of flexible materials that are visible from a long distance and are fixed to fixed objects such as buildings, pumping stations fuel M and the like.

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BACKGROUND OF THE INVENTION

It is known that structures serving to fasten and stretch light panels made of sheets of resilient materials such as plastic sheets and the like are usually located within a rectangular box-shaped body of long length and width and small depth. These panels are illuminated by lamps or other types of prismatic in some translucent fastening frame shape, <

has been allowed by lighting fixtures located inside the proximity of parabolic mirrors, flexible transparent or by means of hinges or other prismatic shape having an upper edge of the structure to provide a box-shaped body, the body in cases where the foil of material is tensioned by elements on the structure rotatable mounted which is necessary for assembly, periodic cleaning, bulb replacement, and maintenance, as described, for example, in U.S. Pat.

817,317 and EP 0268308.

In other embodiments, the fastening and tensioning structure of the elastic film with the inscription is provided with support profile beams which allow the foil to be folded over the edge of the structure and tensioned within the structure by winding it onto small metal bars that can be tensioned to the supporting

9372 profile beams inside a square-shaped body. In this case, a peripheral frame carrying the foil is not required.

In practice, both of these types of light panels, e.g. the type, with the peripheral frame and the type in which the elastic film is stretched to the openable structure, considerable drawbacks, inter alia insufficient rigidity of attachment, insufficient sealing against water and dust penetration between the structure, its spacers and prismatic body and poor accessibility to the prismatic body .

In the case of frame structures that open upwards, the system requires a notch connection with the rotation of the structure to have a large opening in the side of the passageway, open, a long opening allowing rotation of the supporting and tensioning structure. , with the possible penetration of these substances into the prismatic body.

In addition, some profile beams are located in front of the illuminators, which inevitably causes unwanted shadows on the light panel.

In order to overcome these drawbacks, Italian patent application no. 22059B89, which is currently in control, a proposed structure supporting and supporting the light panels, consisting of a plurality of metal profile beams, forming a structure on a square-shaped body that opens like a louvre and whose interior is illuminated. As a result, this structure is characterized by high rigidity and can be easily and quickly attached to the prismatic body. However, it has the disadvantage that the structure opening upwards is very heavy.

Another type of light panel construction is that described in patent application EP 0519161 of the same Applicant, which is characterized by high rigidity and allows easy and quick access to its individual interior elements for cleaning and maintenance. The entire panel is evenly lit and no shadows are produced. However, this type of construction requires the use of elements with a highly complicated shape, which can only be manufactured industrially with the aid of an extruded light alloy molding material, i. valuable and considerably - 3 9372 expensive material.

SUMMARY OF THE INVENTION

The object of the present invention is to provide a structure supporting and tensioning light panels of resilient materials, the construction of which avoids the disadvantages and drawbacks of the prior art, characterized by high rigidity whose elements could be assembled quickly while providing uniform illumination of the entire panel without creating unwanted shadows. and which would consist of elements of a very simple shape, i it would be easy and economical to produce either from light alloys or using conventional profile steel beams.

Another object of the present invention is to provide a support and tensioning structure for light panels that is at least partially modular, thereby requiring a reduced number of profiles that can be assembled easily and quickly, and which always ensures a perfect seal in action atmospheric effects.

These and other features and the corresponding advantages obtained by the present invention are achieved by means of a structure of easily removable elements that supports and stretches light panels of resilient transparent and translucent materials and which according to the invention consists of:

- a plurality of vertical profile beams of a rectangular cross-section, with a height substantially equal to the height of the light panel, parallel to each other and arranged at certain distances in vertical planes which can be fixed by a flat mounting surface to a flat support surface such as , walls and the like, and provided with a continuous longitudinal slot along the anchoring flat surface on the opposite side of said fastening surface,

- a first pair of L-shaped sectional beams arranged horizontally and parallel to one another, positioned at opposite ends of said vertical sectional beams such that

- 4 9372 are in a mirror-symmetrical position, the length of each of these beams being equal to the length of the longitudinal sides of the whole structure,

an upper anchoring arm and a lower anchoring arm with quadrangular cross-sections for each of said profile beams that are located in the mirror arms of each other are supported at one end by a connection of said which serves to said flat arranged symmetrical position provided with a plate; with a counterpart or the like, a vertical profile connecting means, and at the other end a quadrangular head with flat parallel to provide a surface, inside or thereto, anchored to the beam by means of slots extending through said similar slots, fronts provided with a through hole; , at different heights along said vertical beams by moving said counterpart through said longitudinal slot,

a foil-retaining shoe for each of the anchoring arms having a flat portion provided with a longitudinal U-shaped notch and which can be positioned opposite said opening in said rectangular head, the opposite end being curved in a C-shape to form a rock-like groove .

- a small locking restraint for each of the anchor arms, fixed on a horizontal arm rotated 90 ° to the vertical arm, with an opening corresponding to said through hole in said quadrilateral head,

- an inverted L-shaped upper and lower profile beam of a length equal to the length of the longitudinal sides of the whole structure, placed horizontally at the ends of said quadrilateral heads and fixed by their shorter wing by the vertical wing of said small locking supports,

- the upper tension rod and the lower tension rod, which serve to clamp the upper and lower ends of the light panel film, have a length coinciding with the length of the longitudinal sides of the structure and are located parallel to each other in a space surrounded by said cradle groove; longer wing of the mentioned profile

- 5 9372 inverted L-shaped beams,

- a small end plate, located on each of the anchoring arms, provided with an aperture, and taught to hold said inverted L-shaped profile beams relative to said quadrilateral heads,

- screws or connecting rods for each of said anchoring legs, passing successively through the opening in said small end plates, the opening in said quadrilateral heads, the opening in the small locking supports, and the U-shaped longitudinal notches in said feet holding the foil, to hold the individual components of the system bonded to or opposed to each other, namely an anchor arm head, said foil retaining shoe, said tensioning rod, located in a crease of the film forming the light panel, said small blocking support, said inverted L-shaped beam said small end plate in such a way that the retained and stretched along the arm of said profile-quadrangular profile of the film forming the light panel is the edges formed by the end of the longer U-shaped inverted L-beam, forming a continuous groove in which the reflective plates can be laid freely and which is provided at its lower part with a continuous fastening projection lying in the plane of one side of the profile, with a length equal to the length of the longitudinal side of the structure resting on said lower anchoring leg and fastened by clamping said fastening projection between said small end plates and the surface of the anchoring arms,

- a plurality of upper reflective plates mounted in an inclined position, between said upper L-shaped upper beams and said vertical profiled beams arranged side by side so as to form a continuous reflective surface inclined downwards,

- a plurality of central reflective plates mounted vertically on said vertical profile beams arranged side by side so as to form a continuous vertical reflective surface, the central reflective plates being provided with a fold at their bottom which can serve as a support and guide element,

- 6 9372

a plurality of lower reflective plates mounted in an inclined position and juxtaposed so as to form a continuous reflective surface tilted upwardly, the lower edge of said lower reflective plates being located in said continuous groove of said U-shaped rectangular profile and their upper edge lying on said said a fold of the middle plates, so that these lower plates can be moved horizontally to the extent that they overlap one another and can also be vertically shifted on said fold, making them easily removable by lifting and sliding upwards,

- a pair of cover elements positioned above and below the structure carrying the foil with the image or inscription, consisting of interconnecting strips of sheet metal and fixedly fastened by means of notches, notches and the like, to said first pair of L-shaped section beams, at the ends of said vertical profile beams, with fastening means being slotted joints, screw joints and the like serving to firmly secure said profile beams to support walls, said cover members to said foil retaining feet, etc. '.

Said upper and lower anchoring legs are mirrored and inclined by a 45 ° beam. The distances from the beams have already been placed symmetrically in the desired profile underlay, a plate which, along the anchoring upper and opposite said vertical, is fixed by the lower end of the vertical allowed by sliding by contact with the inner counterparts of the flat surface of the vertical profile beam. said slot is used to move the screws or connecting rods that connect the backing plate to the internal counterpart. Once the desired position is reached, the arm is fastened by tightening the connecting screws. In this way, perfect tensioning of the light panel film is achieved.

The film is in fact affixed by its upper and lower edges to the upper and lower tension rods by wrapping it once or twice around the rods or by inserting the tension rod into a tunnel formed by folding and fixing the longitudinal edge of the film, or other suitable ways. tensioning

The 9372 bars are further fixed by pressing against the quadrangular heads of the anchoring arms. As a result, by moving the upper anchoring legs upwards and the lower anchoring legs downwards, the foil can be stretched to the desired degree of tension and this tension can be adjusted, avoiding the formation of wines, creases and the like. For example, the fastening of the foil can be accomplished by first fixing the upper anchoring legs in the desired position and the upper tensioning bars to which the longitudinal upper edge of the foil is attached are pressed against the free ends or the quadrangular head of said arms, as shown below. . Then, a lower tension rod is attached to the free end or the quadrangular head of the lower anchoring legs, on which the lower longitudinal edge of the foil is fixed, but these legs are not yet temporarily fixed on the vertical profile beams but on the vertical profile beams in position. which is slightly higher, such as 30 cm, than their final position. As a result, the film is loosened, fastening the tensioner. The bars are very simple and there is no danger of foil damage. After the lower tension rod has been attached to the lower anchoring legs, the tension rod connected to the anchoring legs is pushed downwardly so that said legs are moved downward until their desired position and degree of foil tension is reached. If, on the other hand, the film needs to be released, for example because it is to be replaced, the sockets that connect the lower arms to the vertical profile beams are released and the arms together with the lower tension rod are moved upwards.

During the movements of the structure consisting of the lower anchoring arms and the tensioning rods up and down, the lower movable reflective plates, extending at their upper edges to the fold of the fixed central plates, also move up and down, the latter simply lying on the said fold. mentioned. In addition, the lower edges of the lower reflective plates are embedded in a U-shaped groove and can therefore be horizontally displaced until they overlap each other, allowing access to the interior of the structure over the entire length and at the desired location. Optionally, the plates can also be completely removed by sliding them upwards. This makes it possible to quickly and easily convert the necessary

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8 9372 cleaning and replacing operations on reflective plates and on illuminating bodies, these illuminating bodies being usually located next to the central vertical reflective plates or next to the upper reflective plates, possibly elsewhere within the structure.

In order to allow access inside the structure and to carry out the necessary operations on the arms or other elements of which the structure is composed, it is first necessary to remove the upper and lower cover elements corresponding to the case. As mentioned, these are small elements, fastened by a joint to a notch, by means of slots or otherwise.

. All of the easily removable elements that make up the structure of the present invention are simple in shape and can therefore be made of either light alloys such as aluminum alloys, in most cases being extruded in most cases if the structure is to be particularly light. elements, or may be made of conventional galvanized steel, which may be coated or the like.

Reflective plates are rectangular or square sheets coated with reflective paints or made of glossy anodized aluminum alloy. The tension rods may have a circular or polygonal cross-section and the outer surface thereof may be either smooth or provided with longitudinal grooves or depressions, thereby improving the adhesion of the film to said tension rod.

Other features and advantages of the invention will be apparent from the following example, which describes a preferred embodiment of the invention with reference to the accompanying drawings, and the purpose of which is purely informative and not restrictive.

An embodiment of the invention

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows a cross-section through a structure for a flexible film light panel according to the invention, FIG. 2 shows a cross-section through the structure shown in FIG. 1 during its folding and unfolding with loosened film and bottom

937 with 2 anchor arms temporarily positioned at a position that is higher than the final position shown in FIG. 1, FIG. Fig. 3 is a perspective view of a structure according to the invention with several vertical sections; 4 is a front and side view of the anchoring arm, FIG. 5 shows a small end plate, FIG. 6 shows a small locking rest, FIG. 7 is a perspective view. FIG. 8 shows a top and cross-sectional view of a foil retaining shoe, FIG. Fig. Fig. 9 is a perspective view of the quadrilateral / U-shaped profile forming a groove in which the lower movable reflective plates can be movably mounted; 10 shows an enlarged detail of a partial cross-section of the end of the anchoring arm and a partial side view of the end of the anchoring arm on which the tension bar is attached.

Shown in the figures is a structure supporting and tensioning a flexible film light panel according to the invention, which consists of a plurality of hollow vertical profile beams 1, 1a, 1b, 1c, etc., which are substantially quadrangular in cross-section with a longitudinal continuous slot 2 and fastened to a support wall not shown in the figures. At opposite ends of vertical profile beams, profile beams in the shape of inverted

L 3 and 3a, on which cover elements 4 and 4a are fastened by means of a notch or screw connection _t , the cover elements being suitably shaped sheets. On each vertical profile beam, the upper anchoring arm 5 is inclined by 45 ° relative to the vertical profile beam and facing upwards and the lower anchoring arm is also inclined by 45 ° but facing downwards. These arms are fastened by means of a support plate (5, connected to a counterpart or the like, not shown in the figures), located inside the vertical profile beam and by means of special screws or connecting rods not shown in the figures and which pass through the slot 2, and if not tightened, they can slide freely towards the top or bottom - 10 -

9372 part of vertical profile beam. This movement coincides with the plate and the counterpart, making it easier to position the arm at the desired location. The arms are on a quadrangular which is inserted passes through a small retainer at the foot at the opposite end provided with a head 7, in which the passage hole 8, into the screw or connecting rod 9. This screw 9 end plate 16, hole 17, foot foil 10., a small locking support 11, wherein the retaining film 10 passes through the longitudinal slot U 12 and, in the case of a small locking support 11, through an opening 13 in its arm. It fixes and maintains the upper b

a shorter tension bar 14 or a lower tension bar 14a and an upper 15 or lower 15a inverted L-shaped beam.

The groove-shaped beam 18a of the plates 20 is the arms 5a. fastening and arm 5a by means of screws 9 ,.

The top reflective plates 21 are

Also, the middle letters U forming a continuous in which the lower edge of the bottom reflective bands are disposed in a horizontal position on the lower anchors This profile beam is fixed by gripping the projection 19 between the small end plate 16 and fixed in position reflective plates 22 are upright below, and are attached to beams 1.

Illumination stationary profiled in the vertical are incandescent lamps, the fluorescent lamps shown are attached to the central reflective plates also provided with a longitudinal fold of the edges of the lower reflective plates are supported in their lower groove 18a.

Bottom reflective to the extent that and possibly can access the lighting device of the structure. Boards like parts similar, medium in their

23, of which there are 20, which, how and which can thus be partially overlapping the plates,. completely overlap, so that even the bodies and the other can possibly be up. Except bodies that are not shown in the reflective plates. These lower abutted upper parts have been shown to slide horizontally displaced into as shown in FIG. 3, it is allowed to loosen internally in a simple manner after being moved therefrom, the plates 20 can be moved upwards by simply sliding along the fold 23 as long as the lower anchoring legs 5a together with the lower profile beams 14a are moved upward as shown in FIG.

- 11 -

9372 fig. 2. This enables the assembly and correct tensioning of the film 24 as shown in FIG. First

Claims (7)

1. Structure of easily removable elements which supports and tensiones light panels of resilient transparent and translucent resilient materials, characterized in that it consists of: - a plurality of vertical profile beams of a rectangular cross-section (1), (Ia), (lb), (lc), with a height substantially equal to the height of the light panel, parallel to each other and arranged at certain distances in vertical planes by means of a flat fastening surface to a flat support surface, such as the upper surface of the cantilever beam, wall and the like, and provided with means allowing vertical movement of the connecting element along the anchoring surface, - a first pair of L-shaped sectional beams (3), (3a) arranged horizontally and parallel to each other, placed on vertical profile beams of opposite ends (1), said to be in a mirror-symmetrical position, the length of each of these beams being equal to the length of the longitudinal sides of the entire structure, - an upper anchoring arm (5) and a lower anchoring arm (5a) with rectangular cross-sections for each of said profile beams arranged so as to be located in a mirror-symmetrical position relative to each other, these arms being provided at one end with a plate (6) to be supported and attached to said flat anchoring surface by said suitable connecting element, and at the other end with a rectangular head (7) with flat parallel faces, provided with a through hole (8), said arms being positioned at different heights along said vertical beams, by sliding said plate and respective connecting element, a foil retaining foil (10) for each of the anchoring arms (5), (5a) having a flat portion provided with a longitudinal U-shaped notch (12) and which is possible positioned opposite said through hole (8) in said quadrilateral head (7), the opposite end being curved in the shape of a letter C, thus forming a 9372 rocker groove, - a small locking anchor arms, 90 ° to the vertical support (11), for each of said fastened on a horizontal arm facing the arm, with an opening (13) corresponding to a passage opening (8) in said quadrilateral head (7), ) and a lower (15a) inverted L-shaped profile beam, with a length equal to the length of the longitudinal sides of the entire structure, placed horizontally at the ends of said quadrilateral heads (7) and fixed by their shorter wing; - the upper tension rod (14) and the lower tension rod (14a), which serve to clamp the upper and lower ends of the light panel foil (24), have a length coinciding with the length of the longitudinal sides of the structure and located in a parallel position in a space surrounded by said cradle a groove, a vertical wing of said small locking supports and a longer wing of said inverted L-shaped profile beams (15), (15a). - a small end plate (16) disposed on each of the anchoring arms provided with an opening (17) and taught to keep said profile beams in an inverted L (15), (15a) shape relative to said quadrilateral heads (7), - bolts or tie rods (9) for each of said anchor arms, passing sequentially through an opening (17) in said small end plates (16), an opening (8) in said quadrilateral heads (7), an opening (13) in small locking supports (11), and a U-shaped longitudinal notch (12) in said foil-retaining feet (10), said screw (9) being adapted to keep the individual components of the system connected or opposed, namely the head (7) an anchor arm, said foil retaining shoe (10), said tensioning rod (14), (14a), positioned in the fold of the film forming the light panel, said small blocking support (11), said inverted beam L (15), (15a) and said small end plate (16), in such a way that the film forming the light panel is captured and stretched along the edge formed by the end of the longer arm of said luminaire. 9372 inverted L-shaped profile beam (15), (15a), - a rectangular U-shaped profile (18) forming a continuous groove (18a) in which the reflective plates can be laid freely and provided with a continuous fastening projection (19) lying in the plane of one side of this profile with a length equal to such as the length of the longitudinal side of the structure resting on said lower anchoring legs (5a) and secured by clamping a fastening projection (19) between said small end plates (16) and the surface of the anchoring legs, - a plurality of upper reflective plates (21) mounted in an inclined position, between said upper L-shaped upper beams (15) and said vertical "beams" (1) arranged side by side so as to form a continuous reflective surface inclined in a direction down - a plurality of central reflective plates (22), mounted vertically on said vertical profile beams (1), arranged side by side so as to form a continuous vertical reflective surface, said central reflective plates being provided with a fold (23) at their bottom which serve as a support and guide element, - a plurality of lower reflective plates (20) mounted at an inclined position and positioned side by side so as to form a continuous reflective surface tilted upwardly, the lower edge of said lower reflective plates being located in said continuous groove (18a) of said U-shaped square profile ( 18) and their upper edge lies on said fold (23) of the lower edge of the middle plates (22), so that these lower plates can be displaced horizontally to the extent that they overlap each other and also be vertically displaced on said fold (23). ), making them easily removable by lifting and sliding up, - a pair of cover elements (4), (4a), located above and below the light panel foil supporting structure, which consist of interconnecting strips of sheet metal and are firmly fixed by means of joints to the notch, screw, and the like. to said first pair of L-shaped sectional beams (3), (3a) located at the ends of said vertical sectional beams, f> v - 9 <f 93 7 2 15 with fastening means, which are notch joints, screws or the like, which serve to firmly secure said profile beams to the supporting walls, said cover members to said foil retaining feet, etc. '. Light panel structure according to claim 1, characterized in that said enabling vertical movement of the connecting element of claim 1, the means consists of a continuous longitudinal slot (2) and that said connecting element consists of a counterpart or the like located within the vertical beam and connected to said a plate (6) by means of screws or connecting rods extending through the slot (2). Light panel construction according to claim 1, characterized in that said lower (5) and upper (5a) anchoring legs are in a mirror-symmetrical position relative to each other and are inclined 45 ° from said vertical beams (1). Light panel structure according to claim 1, characterized in that said easily removable elements constituting said structure are made of a light alloy such as an aluminum alloy. 5. The light panel structure according to claim 1, wherein said easily removable elements constituting said structure are made of conventional steel. Light panel construction according to claim 1, characterized in that it is made of a rectangular reflective coating or in that said reflective plates are or square plates provided with a bright anodized aluminum alloy. The light panel structure of claim 1, wherein said hollow tension rods have a circular or polygonal cross-section, wherein their outer surface is either smooth or provided with longitudinal grooves or recesses, thereby improving the adhesion of the film to said tension rod.