EP2960393B1 - Wind suction securing module for covering elements - Google Patents

Description

Field of the invention

The invention relates to a wind suction securing module for Eindeckelemente on a roof or facade construction. Such a wind suction securing module comprises an engagement element with a first leg for engagement under a support element of the roof or facade construction and a holder for holding the engagement element. The holder in turn comprises connecting means for connecting the holder with a Eindeckelement. The engagement element is displaceable in the holder along a displacement axis running essentially parallel to a roof drop direction and optionally held pivotable about a pivot axis. The first leg is spaced from the displacement axis. The engagement element is bow-shaped with a first bracket part and a second bracket part, wherein the first bracket part and the second bracket part are connected to one another at a vertex of the bracket. The first leg is formed attacking at one end of the first bracket part and the second bracket part is at least partially on the displacement axis. In addition, a holding leg is formed at one end of the first leg.

State of the art

Such a wind suction securing module is for example in the EP 2 685 022 A1 to which reference is explicitly made here.

The first leg is used to engage under a support element of the roof or facade construction, for example, the engagement under a roof batten. First limb and displacement axis are separated from each other spatially, at least in the area where the first leg in the installed state under the support element to attack, separated, ie, the first leg is spaced to the displacement axis, so that an intervention under the support member is easily possible.

In a roof construction such as a sloping or pitched roof and analogous to a facade construction, a lower flashing element is mounted on the support element, under which the first leg is to engage, for example a roof tile. The wind suction securing module in turn is not connected to this Eindeckelement, but the holder is connected via the connecting means with a top Eindeckelement which at least partially - for example in the region of the engagement - rests on the lower Eindeckelement, so that the lower Eindeckelement between the upper Eindeckelement and Support element is located.

The roof drop direction corresponds at each point of the roof of the direction with the strongest slope in the direction of the earth's surface, with facades of the vertical. In roof tiles, it is usually also recognizable without these must be routed, since the top and bottom edges in the roof fall direction usually differ on the underside of the tile; In other cover elements, the roof fall direction can usually be determined without the Eindeckelemente are laid. It is therefore also a direction that is defined on the covering element itself. A straight first leg can then be inclined, for example, with respect to the displacement axis, which need not be the case over the entire region of the longitudinal extent. The leg can also be arcuately curved. This facilitates the threading and in particular the adaptation to different thicknesses of roof battens and / or Eindeckelementen.

When the first leg engages, it can thus be pushed in as far as far, unless it is stopped beforehand, until the distance between the first leg and the displacement axis begins to become smaller than the distance between the displacement axis and the lower edge of the support element. The first leg in this case abuts against the lower edge of the support element, but does not perform any real stapling function.

The displacement axis is parallel to the roof drop direction - that is, within the usual tolerances - parallel, as can be the best effect in terms of force distribution in wind suction and a distance variation of the first leg can be achieved. For particularly small flashing elements, however, it may be appropriate if the displacement axis encloses an angle with the roof drop direction, but this angle is different from 90 °.

The engagement element is slidably mounted in the holder, which is associated with a low design effort and ease of use. Alternatively, that too Engagement element itself be firmly connected to the holder, which in turn is then displaceable.

With an appropriate design, for example, with an obliquely salaried first leg along with the displaceability, an adaptation of the wind suction protection module, if it is mounted on the bracket on the Eindeckelement, almost all Eindeckelement- and Tragelementsysteme, for example, made of roof tiles and roof battens possible. In a typical roof construction, as mentioned at the beginning, a lower cover element is arranged on a support element. On this in turn, an upper cover element is arranged with partial overlap, wherein the overlap takes place in the lower region of the roof covering element in the roof drop-down direction or in the upper region of the lower cover element. While the first leg in the assembled state engages under the support element of the roof construction, on which the lower Eindeckelement is mounted, the holder of the engagement element is connected via the connecting means with the upper Eindeckelement. For assembly, the engagement element in the holder is displaced downwards along the displacement axis, so that the first leg rests under the supporting element of the roof construction. In this way, not the lower Eindeckelement is clamped directly to the support element, there is only a loose backup of the upper Eindeckelements on the support element, in which case a game of a few millimeters remains up to a few centimeters. In this case, the lower Eindeckelement is located between upper Eindeckelement and support element. Thus, the first leg does not necessarily have to be in contact with the support element in the installed and installed state, it may remain an air gap. In wind attack, the upper flashing is raised and there is a contact between the first leg and the support element, which prevents further lifting of the upper Eindeckelements. Although such a small air gap facilitates the replacement of broken roofing elements, in strong wind attack, the contact - especially in relation to the roof fall direction and support element obliquely salaried first legs - but may turn out to be too low and it still come to a destruction of the roof construction.

To save material, the engagement element is usually designed like a bow with a first and second bracket part, which are connected to each other at the apex of the bracket. The first leg is designed to be attacking at the free end of the first bracket part. The second bracket part is at least partially on the displacement axis. The first leg may also be part of the first bracket part, both may also be identical to each other. In general, one will choose a bracket shape to save material, but it is also possible to design the area between the bracket plate-shaped, which is unproblematic with appropriate design of an injection mold. The brackets are then, for example, bead-shaped formations on the edge of this plate, if this area reinforced shall be. However, the temple parts can also be easily formed by the edge of the plate, it must be ensured that the second bracket part, which lies at least partially on the displacement axis, in this area can also be moved. Engagement element and holder can be made of plastic, for example by injection molding. Also other materials that are capable of withstanding the expected forces of wind suction can be used. The engagement element and / or the holder may for example also be made of metal.

Also from the FR 2 542 786 A1 a device for protection against wind suction is known, in which a hook is passed through an opening of a Eindeckelements and engages under a roof batten 5, so that the Eindeckelement is secured. In the EP 0 960 940 A2 is a two-part Seitenfalzklammer plastic for securing roof tiles described which can be adapted via a latching mechanism to different dimensions.

As already mentioned above, extreme wind suction, as occurs, for example, in storm gusts, cause the upper cover element is lifted from the lower Eindeckelement, which may be caused by an air gap design. Unfortunately, the wind attack can even cause the bracket detached from the Eindeckelement, which can lead to the destruction of the roof or facade construction.

Description of the invention

The object of the invention is to improve a wind suction securing module of the type described above and in particular to further develop that the protection against wind attack is further improved.

This object is achieved with a wind suction securing module of the type described above in that on the second bracket part in the region of the vertex on the side facing away from the first bracket part, a support element is formed, which is preferably nose-shaped and preferably located in a plane that of the first bracket part and the second bracket part is formed or clamped. The support member is thus located on that side of the engagement element, which is the farthest away from the first leg and which is also located farthest on the displacement axis of the holder. The support element, which may for example also be configured as a thickening or hill-like elevation, counteracts the lever force caused by wind suction, by preventing the second ironing part from being deflected too much from the displacement axis in extreme situations. The survey may be sized so large that the second bracket member is held in the assembled state on the shift axis and is not tilted against it. Thus, the maximum size of the air gap is compared to a wind suction protection module reduced without such a support element. At the same time, the engagement element is supported so that a peel-out of the holder is prevented in strong wind attack: In general, the holder is positively connected only by means of a blind hole in Eindeckelement and an expanding therein seal on the holder. In extreme situations, this force could be overcome by wind attack. By the support element, the necessary force is increased so much that even in extreme situations, such as squalls, a secure grip is guaranteed.

The support element may for example be nose-shaped, i. be restricted to the small area at the vertex where the leverage is best. By appropriate curves or the omission of corners ensures that the support member despite elevation easily move and possibly pivot, if the engagement member is pivotally held or mounted in the holder according to a preferred embodiment about a pivot axis. The pivot axis may also be substantially parallel to the roof drop direction, in particular, it may also coincide with the displacement axis. Again, there is the possibility that the holder is designed to be pivotable or the engagement element is pivotally mounted in the holder. The pivot axis may also include an angle with the displacement axis. The pivotal mounting or storage has the advantage that the wind suction protection module, if it is already connected during or after the preparation of the engaging element with this and delivered as a unit, can create space to save on the inside of Eindeckelements. With a correspondingly flat configuration of the wind suction securing module and in particular of the engagement element, it is thus easier to store and transport the covering elements, in particular if they are roof tiles which as a rule do not have a flat underside. Here, it is particularly advantageous if the first leg, the displacement axis and the pivot axis lie in a plane, as this embodiment can be made particularly flat.

In the invention, a holding leg is formed at one end of the first leg - which is opposite to the end of the leg, which is formed with the end of the first bracket part, facing. The first leg and the retaining leg preferably include an angle different from 180 °. The angle between the first leg and retaining leg can be adjusted so that the retaining leg in the case of wind suction on the underside of the support member, such as the roof batten, flat rests, which ensures a more favorable distribution of forces and a reduced load. The transition between the holding leg and the first leg can also be fluid, if, for example, the first leg is designed as a continuation of the first bracket part with a slight curvature and merges into a straight, designed as a holding leg end piece. The retaining leg can also separately, for example, made of a very hard material and then be connected to the first thigh. It is also conceivable that the retaining leg has an insert made of a harder material, which is inserted according to the injection mold.

On the holding leg more to the displacement axis substantially parallel edges for securing the support element of the roof structure are formed according to the invention under load by wind suction. The edges lie at different distances to the displacement axis. In this way, it can be ensured that even for different thicknesses of support elements, a secure hold is always guaranteed and lifting in case of wind suction is kept as low as possible. If roof battens are used as support elements, for example, typical thicknesses and, for example, approved in Germany are 28 mm and 42 mm. If the holding leg had only one edge, then this would have to cover the entire area to 42 mm. When using roof battens with a thickness of 28 mm, it would be possible to lift the top covering element from the lower covering element by more than 1 cm, which could lead to damage. By using several edges - for example, two edges for roof battens with thicknesses of 28 mm and 42 mm, this can be effectively prevented. The engagement element can be designed so that the respective edge completely rests in the assembled state on the corresponding counter surface of the support member, so that here already a non-positive connection is formed when the engagement member is mounted on the bracket in Eindeckelement.

To improve the connection, a wave-shaped or helical-shaped profile or another profile suitable for non-positive engagement in the support element under load by wind suction is preferably formed on the edges. Here, a slight clearance or clearance between the edges and the mating surfaces of the support elements should be present to allow removal of the engagement element, for example, for repair purposes. If the teeth engage directly in the wooden support element, manual removal is only possible with great effort. With smooth edges, this minimum clearance may also be present, but it is not essential. If there is no play, then the engagement elements must be pulled down along the shift axis to make a frictional connection with the support member, as the adjustment solely by gravity, as in the use of retaining legs with edges that leave a certain play to the support element that is not possible.

The removal of Eindeckelementen is basically possible if the engagement element along the displacement axis against the roof fall direction, that is pushed upwards until the holding leg or the first leg no longer engages under the support member. This can be facilitated by an embodiment in which the engagement element a second leg for engagement between two Eindeckelemente, wherein the second leg has a smaller distance from the displacement axis than the first leg and wherein the first leg is connected to the second leg and the second bracket part via a transverse strut and the first leg with the second leg in essentially forms the shape of a bracket. At the cross strut then a neck element for applying a tool is formed, which is preferably included for stability reasons of the cross member and the second leg. This attachment element may, for example, be a dovetail-like depression, into which a corresponding slide, which may likewise be dovetailed, is used, but with a dovetail offset by 90 °. The neck element prevents the tool from slipping upwards or downwards when sliding against the direction of the roof drop to release the covering element. The neck member may also be in the form of a funnel so as to prevent slipping in any direction. As a tool is then suitable for example a mandrel or a Phillips screwdriver. All forms suitable for preventing slippage of a tool can be realized in the attachment element. With appropriate design of the materials and their strength can be dispensed with the first ironing part.

Although the second leg forms with the first leg the shape of a clip, but does not realize the function of a clamping. By the engagement of the second leg between the Eindeckelemente the lower Eindeckelement is additionally held on the support member. This requires, however, that between the Eindeckelementen a corresponding cavity is present, which is often the case for example with roof tiles with appropriate surface geometry, and in any case by minor changes to the surface geometries can be regularly designed. Otherwise, the second leg can also serve to define an end point for the displacement of the engagement element along the axis of displacement in the roof down direction and thus limit the displacement as a stop. In particular, the distance between the second leg and the displacement axis can also be zero. The second leg then forms an extension of the pivot axis and / or the second bracket part, which allows easy manufacture and offers advantages for power transmission. The connection of the first leg with the second leg can be rigid, it can for example be done directly by a connecting element in the form of - the displacement also limiting - cross strut, wherein the first leg, second leg and cross strut between the two legs can be made in one piece. However, the connection can also be made so that the two legs are mutually variable at a distance from one another and / or at an angle and, if appropriate, can be fixed to one another at a selected distance or angle. For example, the second leg can be fixedly arranged and the first leg can be fixed in its position relative to the displacement axis by means of a spacer element, wherein the position of the first leg relative to the displacement axis can also be optionally adjustable by means of the spacer element. On the cross strut then appropriate notches or the like may be formed. Although the first and second legs are essentially connected in the form of a clip, they do not function as a clip because they lack the resilient element, which would provide a stapling function.

Although the cross member and the first bracket include substantially a right angle, so the area where they collide, for the sake of stability and manufacturing reasons usually not exactly rectangular or formed at the desired angle with a sharp edge, but is formed at this point with a rounded thickening. Is the engagement element in the holder in a linear guide formed on this slidably and pivotally mounted, i. In this linear guide, a part of the second bracket part lying on the displacement axis is guided, the linear guide having two ends, a chamfer is formed at one end of the linear guide, which points away from the vertex. This can accommodate the rounding between the cross member and the first bracket part, which contributes to the stability of the wind suction protection module in wind attack.

Finally, in a further embodiment, the holder has a bolt-like, at least partially reversibly deformable fitting piece for insertion into a blind hole on the covering element. The fitting has a lower portion for insertion into the blind hole and an upper portion which is mounted above the blind hole and above the holder, so that it is visible in the mounted state.

The fitting has an opening for inserting a tool for removing the holder from the cover member in an upper portion. This is particularly useful if the holder is designed as an injection molded part and thus for single use. The tool may for example be designed as a screw or helical and be screwed into the opening, wherein it cuts a thread in the inner wall of the opening. At this screw, the holder can then be removed.

The opening slightly reduces the mechanical stability of the fitting relative to a non-hollow fitting along the axis of symmetry. At the upper portion, the fitting piece on the circumference therefore preferably rib-like elevations, this improves the stability of the connection of the adopted fitting with the blind hole and reduces the risk of peeling the holder from the blind hole in wind attack, since the positive connection is improved.

The holder described above requires that a blind hole has been introduced into the mounting element during manufacture. In the piece production of bricks or the like, which are pressed in their own molds, this can be achieved without much effort by the mold, which is used for the compression, is slightly modified and a special tool, as for example in the EP 2 684 659 A1 described is incorporated into the mold. However, there are also Eindeckelemente that always have the same shape in cross section to the roof fall direction or along to it. Such cover elements are made simpler and more cost-effective continuously from a strand, for example in an extrusion process in which the material to be cured is pressed through an opening with a corresponding cross-section, or in an extruder process in which continuously filled in material transported on a conveyor belt molds and then pressed becomes.

In such manufacturing methods blind holes are difficult to attach undercutting, as this would usually mean an interruption of the continuous material transport or continuous production.

In a particularly preferred, particularly suitable for the production of Eindeckelementen of concrete mixtures embodiment of the invention, the holder is therefore designed as a clamp with two opposite clip legs and the two clip legs at one end resiliently connecting centerpiece.

The staple legs may be straight shaped and the center piece may be at right angles with the two opening legs and may also be straight shaped so that the staple approximately forms a "U" shape in cross section. The middle piece may also be curved in shape, so that it abuts the staple legs at an angle of 180 °. The "U" form also includes all intermediates between these two extremes, i. an approximate arc shape in which the center leg is composed of several straight sections and the angle depends on the number of sections.

The clip surrounds the second bracket part at least partially and thereby limits the mobility of the second bracket part perpendicular to the displacement axis in at least one direction. In the case of a design as a right-angled clamp, at least the center piece limits the mobility, namely in the direction away from the cover-in element. Depending on the configuration, the clip legs also enclose the second strap part, so that the mobility perpendicular to the displacement axis is effectively prevented on three sides. In particular, the center piece can also be formed with a virtually circular cross-section, so that the second bracket part is almost completely enclosed by this, except for a small gap in which connect the clip legs to the center piece and which is required for the insertion of the engagement element in the holder , The staple legs can also be designed in several parts and be offset from one another on the center piece so that a toothing is formed longitudinally along the displacement axis, so that the second bow part is in the end completely enclosed in the middle, which improves the quality of the holding function.

On the clip legs - for example in length e.g. by certain shaping, and / or preferably at the free ends, i. those of the two ends which are not connected to the center piece and mark, for example, the opening of the "U" in a "U" shape, are clamping means for connecting the clip with a Eindeckelement formed.

These clamping means can be designed in various ways, the clip is retrofitted, i. after curing of the Eindeckelements connected to this, or even during production - for example, green-strength concrete - pressed with, previously the engagement element of the wind suction module was positioned accordingly. In this case, the clamping means may, for example, be designed as barbs which, after hardening, prevent the clip from being drawn from the cured material in the event of a wind attack.

In a particularly preferred embodiment of the wind suction securing module with this support, the clamping means for connection to the cover element comprise at least one interlocking leg, which is preferably formed at the free end of at least one of the bracket legs and at an acute angle, i. is formed at an angle less than 90 °, preferably at an angle of less than 45 ° in the rearward direction projecting. Depending on how the attachment to the Eindeckelement takes place, the Verklammerungsschenkel either to the inside of the clip - in a "U" shape, for example, in the direction of the center piece between the two clip legs - or be designed to the outside facing.

These embodiments can also be introduced into the not yet cured material, but is particularly suitable for subsequent attachment to the already cured Eindeckelement, if this is provided with appropriate attack means. This also allows the replacement of the clip, should the wind suction module or parts of it have to be replaced once.

Such a Verklammerungsschenkel may be provided in its basic form with a smooth, straight edge, but it can also any profiles in this edge, for example, with surveys -. a wave-shaped profile - be imprinted in this. To improve the connection between Eindeckelement and the support of the wind suction module, however, at least one row is formed with elevations in the form of teeth or barbs for non-positive engagement in the Eindeckelement at least one of the Verklammerungsschenkel. The formation of teeth is also preferable to manufacture, if the clip is punched for example of metal, since the teeth can then be punched out.

Preferably, the clip is made of metal. This material has the advantage over plastic of a higher elasticity or elastic deformability, which makes positive in wind attack.

The clamping means may also be designed so that the clip is suitable for use with such flashing elements in which a blind hole has already been introduced, for example when a wind suction securing module has to be replaced. In this case, the length of the clip leg at the free end corresponds approximately to the diameter of such a blind hole or slightly lower, and comprise the Verklammerungsmittel at the free end of the staple legs, for example, a half-disc-shaped widening perpendicular to the longitudinal axis of a staple leg, which in the inserted state and the longitudinal axis of the Blind hole corresponds. At the outer periphery of the half-disc-shaped widening are then formed at an acute angle rearward - in the inserted state as pointing in the direction of the opening of the blind hole - teeth or the like.

The invention consequently also relates to a system comprising a covering element with a wind suction securing module with a bracket designed as a bracket. In this case, substantially groove-shaped recesses or essentially bar-shaped elevations are formed on the covering element as a means of engagement for the support of the wind suction securing module. The height of the elevations or the depth of the grooves is defined by side walls of the grooves or elevations, which need not necessarily extend at right angles to the surface of the Eindeckelements at the point where the groove or elevation is formed to extend. The clamping means for connecting the clamp with the Eindeckelement are then formed on at least one of the side walls engaging in this.

To increase the stability, the recesses or elevations may have a trapezoidal cross section, wherein the side walls correspond to the oblique sides of the trapezoid. The angle which the oblique sides of the trapezium parallel with the normal Include sides of the trapezoid, it is preferably smaller than the angle enclosed by the Verklammerungsschenkel with the opening legs. This makes it easier to attach the clamps and increases the stability of the bond when clamped, since the cover element in this area only blunt edges remain, which reduces the risk of breakage due to material fatigue.

It is understood that the features mentioned above and those yet to be explained below can be used not only in the specified combinations but also in other combinations or alone, without departing from the scope of the present invention.

Brief description of the drawings

Fig.1

ein Eingriffelement für ein Windsogsicherungsmodul,

Fig.2a,b

Ansichten einer Halterung für ein Windsogsicherungsmodul,

Fig.3a,b

eine erste Ausgestaltung einer Klammer,

Fig.4a,b

die Klammer aus Fig. 3 in einer Perspektivansicht,

Fig.5a,b

eine zweite Ausgestaltung einer Klammer,

Fig.6a,b

die Klammer aus Fig. 5 in einer Perspektivansicht,

Fig.7a-c

eine dritte Ausgestaltung einer Klammer,

Fig.8a-d

weitere Ausgestaltungen einer Klammer und

Fig.9a,b

eine Ausgestaltung einer Klammer zum Einsetzen in ein Sackloch.

The invention will be explained in more detail for example with reference to the accompanying drawings, which also disclose characteristics essential to the invention. Show it:

Fig.1

an engagement element for a wind suction securing module,

2a, b

Views of a bracket for a wind suction protection module,

3a, b

a first embodiment of a bracket,

4a, b

the clip off Fig. 3 in a perspective view,

5a, b

a second embodiment of a bracket,

6a, b

the clip off Fig. 5 in a perspective view,

7a-c

a third embodiment of a bracket,

Figure 8a-d

further embodiments of a bracket and

9a, b

an embodiment of a clip for insertion into a blind hole.

Detailed description of the drawings

In FIG. 1 is shown an engagement element 1 for a wind suction protection module for Eindeckelemente on a roof or facade construction. The engagement element 1 is designed with a first leg 2 for engagement under a support element of the roof or facade construction. The wind suction securing module also comprises a holder 3 for holding the engagement element 1, such a holder 3 is in Figure 2a and 2b shown. The holder 3 comprises connecting means for connecting the holder 3 with a flashing element, not shown. The engagement element 1 is displaceable in the holder 3 along a displacement axis extending essentially parallel to a roof drop direction and optionally - as in the present case - held pivotable about a pivot axis. In the present case, displacement axis and pivot axis coincide. The first leg 2 is spaced from the displacement axis. The engagement element is configured with a first bracket part 4 and a second bracket part 5. The first bracket part 4 and the second bracket part 5 are connected to one another at a vertex 6 of the bracket. The first leg 2 is designed to be attacking at one end of the first bracket part 4 and the second bracket part 5 is located at least partially on the displacement axis, the second bracket part 5 thus also corresponds to the displacement axis, which simultaneously corresponds to the pivot axis.

On the second bracket part 5, a support element 7 is formed in the region of the apex 6 on the side facing away from the first bracket part, which is located in a plane formed by the first bracket part and the second bracket part and is here nose-shaped.

At one end of the first leg 2, a holding leg 8 is formed here, the first leg 2 and the holding leg 8 preferably enclosing a different angle of 180 ° angle for better contact with the support element in wind suction. On holding leg 8 a plurality of substantially parallel to the displacement axis edges 9 are formed to secure the support member of the roof structure under load by wind suction, the edges 9 are at different distances to the axis of displacement. In this way, an adaptation to different approved thicknesses of support elements is possible, so that for each individual support element thickness of the same maximum air gap is adjustable in wind suction. In the edges 9 is here also exemplified a helical profile 10 is incorporated for non-positive engagement in the support member under load by wind suction.

The engagement member 1 also includes a second leg 11 for engagement between the lower and upper flashing members. The second leg 11 has a smaller distance to the displacement axis than the first leg 2, here it is parallel to this, but it can also form an extension of the displacement axis, ie the second bracket part 5, or at an angle to this. The second leg 11 may also be curved as well as the first leg 2, if required by the circumstances. The first leg 2 is connected via a transverse strut 12 with the second leg 11 and the second bracket part 5. With the second leg 11, the first leg 2 thus substantially forms the shape of a clip, but without assuming the function of a clip in the sense of a resilient element. The straight segments of the first bracket part 4 and the second bracket part 5 can also be made shorter, so that the curvature in the opposite apex region of the bracket can be reduced, i. the first bracket part 4 and the second bracket part 5 include a larger angle than shown. At the cross strut 12 here is a neck element 13 is formed for applying a tool. The attachment element 13 is partially covered for a high mechanical stability against the action of force, preferably by the transverse strut 12 and the second limb 11.

In the embodiment shown here, the first leg 2, the displacement axis, the pivot axis and the second leg 11 lie in one plane, which offers advantages in the storage of Eindeckelementen that are already configured with wind suction securing modules. The second leg 11 is not formed here - which is possible in principle - as an extension of the displacement axis or the second bracket part 5, but sets in a predetermined by the dimensions of Eindeckelemente distance to the displacement axis directly to the spacer element for the two legs 2, 11 acting cross strut 12 on. Also, the first leg 2 may be formed so that it attaches to the crossbar 12. This allows, for example, to construct steeper stirrups with shorter stirrup parts. A reinforcing strut 14 is disposed between the cross brace 12 and the first bow member 4, it is advantageous for stabilizing the wind suction securing module, but not essential for its function. The reinforcing strut 14 serves for better force distribution under tensile load due to wind suction.

In the area in which the crossbar 12 and the first bracket part 5 abut each other, they enclose an angle of 90 °. For mechanical reinforcement of the engagement element 1, a rounding 15 is formed in this area. Accordingly, an optional plate-shaped reinforcement 16, which stabilizes the region of the apex 6, is located between the first bracket part 4 and the second bracket part 5. This occupies only a small portion of the engagement element 1 here, but the reinforcement 16 can also extend over a larger area, provided that a displaceability of the engagement element remains possible.

The engagement element 1 is in a linear guide 17, the in FIG. 2 is shown on the holder 3, slidably and pivotally mounted. The lying on the shift axis second bracket part 5 is guided in this linear guide 17. The linear guide 17 has two ends. At the end facing away from the end of the vertex 6 end a chamfer 18 is incorporated. This serves to allow the curve 15 on the engagement element 1 to nestle therewith, thus improving the mechanical stability of the windage protection module and facilitating the pivoting of the engagement element 1 due to the absence of sharp edges which could provoke tilting.

In order to prevent accidental pivoting of the engagement element 1 during transport or during assembly of the Eindeckelements, the holder 4 has a transport lock 19, which - like FIG. 2a can be removed - is designed here as a latching connection with a jaw. The holder 3 is here additionally configured with a guide bead 20 parallel to the linear guide 17. This guide bead 20 engages in a corresponding guide groove on the underside of the Eindeckelements - not shown here - if one is formed there. Thus, the holder 3 is in turn protected against rotation, which is advantageous if the holder is not pegged with the Eindeckelement, glued or screwed, but by means of an at least partially reversibly deformable fitting piece 21 in a blind hole, which formed on the inside of Eindeckelements is, is used. The blind hole is at least partially at its periphery frustoconical with tapered to the opening shape. In the direction of the blind hole, so perpendicular to the brick surface, a positive and non-positive connection can be made in this way, since the fitting piece 21 can be partially compressed to be inserted through the opening in the blind hole can, and expands again after insertion ,

The fitting 21 has in the upper portion an opening 22 for insertion of a tool for removing the holder 4 from the Eindeckelement. For example, there can be screwed in a screw which cuts a thread in the fitting piece 21. At this, the holder 3 can be pulled out. In addition, the fitting piece 21 in the upper portion on the circumference rib-like elevations 23, which serve to improve the stability of the bolt in the blind hole. These rib-like elevations 23 are here only indicated, they are here centrally on mating surfaces of the bolt or fitting piece 21, which are compressed for insertion into the blind hole on their common axis of symmetry and then spread again.

In Figure 3 a bracket is shown, which is particularly suitable for the production of bricks or concrete roof tiles in a strand method, since the necessary means for attaching the bracket to the tile or stone can be easily integrated into the molds or openings used for shaping. The bracket is designed here as a bracket 24 and in Fig. 3a in cross-section as well as in Fig. 3b shown in perspective. It comprises at least two mutually opposite clip legs 25 and a clip piece that resiliently connects these clip legs 26. The clip surrounds, as in Fig. 3b shown, the second bracket member 5 at least partially by a movement of the second bracket member 5 is suppressed in the plane of the drawing through the middle piece 26 upwards. At the clip legs Verklammerungsmittel for connection to a Eindeckelement 28 are formed, the latter is to illustrate the mode of action of the clip 24 fragmentary in Fig. 3b shown.

In the clip 24, the clamping means comprise two clamping legs 27. These are formed at the free ends of the clip legs 25 and project from them at an acute angle in the rearward direction - here inwardly towards the center piece 26 - from. At the Verklammerungsschenkeln 27 is - as in Fig. 4a illustrated - formed a number of elevations in the form of teeth 32, which improve the frictional engagement in the Eindeckelement 28. If the clip 24 is made of metal, then the teeth 32 can be punched out of the clamping legs 27.

The mode of action will be described below on the basis of Fig. 3b and Fig. 4b In each case, a system comprising a covering element 28 and a wind suction securing module, represented here by a section of the second bracket part 5 - is shown. At the cover element 28 bar-shaped elevations 29 are formed with a height which is defined by side walls 30. The bar-shaped elevations 29 serve as a means of attack for the support of the wind suction protection module. The Verklammerungsmittel - here the Verklammerungsschenkel 27 with the teeth 32 - are formed on the side walls 30 engaging in this. The bar-shaped elevations 29, together with the center piece 26 of the bracket 24, a guide for the second bracket part 5 and thus for the engagement element of the wind suction securing module. In the case of a wind load stress attacking wind tries to push the second bracket part 5 upwards. The middle piece 26 is pushed upwards and bulges like the bow of a "U". As a result, the clip legs 25 are pressed inwards and the teeth 32 formed on the clamping legs 27 engage more strongly with the side walls 30 than would be the case without wind suction. By attack of wind suction, the effect of the bracket 24 is thus enhanced. The clamp 24 comes completely without additional fasteners we screws or similar. out, she herself is the fastener.

Analogous to the in Fig. 4 System shown is also a design conceivable in which the clip has outwardly directed Verklammerungsschenkel 27 and accordingly engages between two bar-shaped elevations 29, wherein between the second bracket part 5 and one of the side walls 30 of the bar-shaped elevations only one clip leg 25 is located. Finally, instead of bar-shaped elevations 29 can be provided on the covering element 28 equivalent and groove-shaped depressions. If the corresponding surface of the covering element 28 is provided with a groove structure, elevations and depressions are present at the same time.

In Fig. 5 and Fig. 6 another clip 31 is shown in FIG Fig. 5a in cross section and in Fig. 6a in perspective, and in Fig.5b and Fig.6b corresponding in the system with a Eindeckelement 28. In contrast to the in Fig. 3 shown bracket 24 are here on both sides of the clip legs 25 rearwardly projecting Verklammerungsschenkel 27 formed on which also teeth 32 are formed. The double clamping on each side enhances the clamping effect and improves resistance to wind suction.

Another embodiment is in the Fig. 7a-c shown. The bracket 33 shown there comprises a central portion 26 with a nearly circular cross-section, so that the middle piece 26 almost completely surrounds the second bracket part 5 and thus forms a guide for this. One of the two clip legs 25 is formed as described with a Verklammerungsschenkel 27, the other of the two clip legs 25 is provided with a profile 34, so that this only on the side wall of a corresponding survey or depression abuts, but in wind attack no unfavorable this unfolding effect. The clamping effect then depends inter alia on the tread depth, the diameter of the center piece 26 and the distance between the two side walls 30 of the bar-shaped elevation 29 or groove-shaped depression, between which the clamp 33 is set.

The brackets can also be designed so that at least one Verklammerungsschenkel 27 two or more superimposed rows of elevations or teeth 32 are formed, or that at least one clip leg 25 two or more superimposed Verklammerungsschenkel 27, possibly with rows of elevations or teeth 32 are formed. Such an embodiment is for the bracket 34 in FIG Fig. 8a shown in Fig. 8b and Fig. 8c Bracket 35 corresponds to bracket 24. The in Fig. 8d shown bracket 36 is similar to the in Fig. 7 shown bracket 33, the diameter of the second bracket member 5 is here, however, substantially smaller than the diameter of the center piece, so that the former has much more game.

In Fig. 9a in cross section and in Fig. 9b in a perspective section, a bracket 37 is shown, which can also be used with a blind hole 38. The teeth 32 are here formed directly on the clip legs 25 and spread in several directions to ensure the clip 37 in the blind hole 38 a good grip.

LIST OF REFERENCE NUMBERS

1

engaging member

2

first leg

3

bracket

4

first ironing part

5

second bracket part

6

vertex

7

support element

8th

holding leg

9

edge

10

helical profile

11

second leg

12

crossmember

13

neck element

14

reinforcing strut

15

curve

16

reinforcement

17

linear guide

18

chamfer

19

transport safety

20

guide bead

21

spud

22

opening

23

rib-like elevation

24

clip

25

staple legs

26

centerpiece

27

Verklammerungsschenkel

28

A flashing

29

bar-shaped elevation

30

Side wall

31

clip

32

tooth

33

clip

34

profile

35, 36, 37

clip

38

blind

Claims (15)

1. Wind uplift protection module for roofing elements on a roof or facade structure, comprising

   - an engagement element (1) with a first leg (2) for engaging under a load-bearing member of the roof or facade structure, as well as

   - a holder (3) for holding the engagement element (1),

   - wherein the holder (3) comprises connecting means for connecting the holder (3) to a roofing element,

   - wherein the engagement element (1) is held in the holder (3) so as to be slidable along a sliding axis running essentially parallel to a direction of roof dip, and the first leg (2) is spaced apart from the sliding axis,

   - wherein the engagement element (1) is designed in the shape of a bracket with a first bracket part (4) and a second bracket part (5) which are connected to each other at an apex (6) of the bracket, wherein the first leg (2) is formed acting on one end of the first bracket part (4) and wherein the second bracket part (5) lies at least partially on the sliding axis, and

   - wherein a retaining leg (8) is formed at one end of the first leg (2),
   characterized in that

   - a supporting element (7) is formed on the second bracket part (5) in the area of the apex (6) on the side facing away from the first bracket part (4), and

   - on the retaining leg (8), several edges (9) lying essentially parallel to the sliding axis are formed for securing the load-bearing member of the roof structure in the case of wind uplift load, wherein the edges (9) lie at different distances from the sliding axis.
2. Wind uplift protection module according to claim 1, characterized in that the supporting element (7) is formed in the shape of a nose and/or lies in a plane formed by the first bracket part (4) and the second bracket part (5).
3. Wind uplift protection module according to one of claims 1 or 2, characterized in that the first leg (2) and the retaining leg (8) include an angle that is different from 180°.
4. Wind uplift protection module according to one of claims 1 to 3, characterized in that, at the edges, a preferably wavy profile or a helical tooth-shaped profile (10) is formed for force-locked engagement in the load-bearing member in the case of wind uplift load.
5. Wind uplift protection module according to one of claims 1 to 4, characterized in that the engagement element (1) comprises a second leg (11) for engaging between two roofing elements, wherein the second leg (11) has a smaller distance from the sliding axis than the first leg (2) and wherein the first leg (2) is connected to the second leg (11) and the second bracket part (5) via a cross strut (12) and, with the latter, essentially forms the shape of a clip, and wherein an attachment element (13) for attaching a tool is formed on the cross strut (12), which attachment element is preferably partially incorporated in the cross strut (12) and the second leg (11).
6. Wind uplift protection module according to one of claims 1 to 5, characterized in that the holder (3) comprises a bolt-like, at least partially reversibly deformable adapter part (21) for inserting into a blind hole on the roofing element, which adapter part comprises a lower portion for introducing into the blind hole and an upper portion, wherein the adapter part (21) comprises an opening (22) for inserting a tool for removing the holder from the roofing element.
7. Wind uplift protection module according to claim 6, characterized in that the adapter part (21) comprises rib-like projections (23) on the circumference in the upper portion.
8. Wind uplift protection module according to one of claims 1 to 6, characterized in that the holder (3) comprises a linear guide (17) in which the engagement element (1) is supported so as to be slidable and pivotable, and in which a part of the second bracket part (5) lying on the sliding axis is guided, wherein the linear guide (17) comprises two ends and a bevel (18) is formed at the end which points away from the apex (6).
9. Wind uplift protection module according to one of claims 1 to 5, characterized in that the holder is formed as a clip (24, 31, 33, 35, 36, 37) with at least two clip legs (25) lying opposite each other and a central piece (26) connecting the latter in each case at one end in a spring-loaded manner, which at least partially surrounds the second bracket part (5) and in the case of which clamping means are formed on the clip legs (25) for connection to a roofing element.
10. Wind uplift protection module according to claim 9, characterized in that the clamping means for connection to the roofing element comprise at least one clamping leg (27), which is preferably formed at the free end of at least one of the clip legs (25) and is formed projecting from the latter at an acute angle, preferably at an angle of less than 45º, in the rearward direction.
11. Wind uplift protection module according to claim 10, characterized in that, on at least one clamping leg (27), at least one row of projections, preferably in the shape of teeth (32) or barbed hooks, is formed for force-locked engagement in the roofing element.
12. Wind uplift protection module according to claim 11, characterized in that, on at least one clamping leg (27), two rows of projections are formed lying one on top of the other, and/or in that, on at least one clip leg (25), two or more clamping legs (27) are formed lying one on top of the other.
13. Wind uplift protection module according to one of claims 9 to 12, characterized in that the clip (24, 31, 33, 35, 36, 37) is made of metal.
14. System composed of a roofing element (28) and a wind uplift protection module according to one of claims 9 to 12, characterized in that, on the roofing element (28), groove-shaped depressions or bar-shaped projections (29), in each case with side walls (30) defining the depth or height, are formed as engagement means for holding the wind uplift protection module, wherein the clamping means are formed on at least one of the side walls (30) engaging in the latter.
15. System according to claim 14, characterized in that the depressions or projections (29) have a trapezoidal cross-section with the side walls (30) as the inclined sides of the trapezium, wherein the angle included by the inclined sides of the trapezium with the normal of the parallel sides of the trapezium is preferably smaller than the angle included by the clamping legs (27) with the opening legs.

Images