EP3130716B1 - Wall construction panel and wall building system for exhibition stand construction - Google Patents

Description

The invention relates to a wallboard and a wall construction system for the construction of walls in exhibition construction. Conventionally, walls in exhibition construction are constructed from prefabricated individual parts. Such walls are usually built at trade fairs by specialized companies. Such companies are always anxious to realize the construction of walls as quickly and inexpensively as possible, so that they can meet the very high standards, in this regard, they are made by the exhibition organizer.

For example, wall-mounting systems are known, which include as a prefabricated parts horizontal frame members, vertical post members and plates. The post elements and Zargenelemente are usually manufactured as extruded aluminum parts and have over their length extension across a constant cross-section. The post elements usually have a polygonal cross-section, for example a square cross section or a cross section in the manner of a regular octagon. On each side, which is bounded by two corners of the cross section, the post elements each have an identical groove, which is also extends over the entire longitudinal extent of the post element. The frame elements usually have a hollow profile area extending over their entire longitudinal extension and, at least on one side, a groove which is likewise often identical to the grooves of the post elements. At each end of its longitudinal extension, the frame members usually have clamping connectors which are inserted into the hollow profile area. As a plate, for example, a pressboard or a glass plate is used. With these prefabricated items, the construction of walls is carried out as follows: On one side of a post member, in which a groove is located, two frame members are set so that the grooves of the frame elements with the groove of the post element converge and that to those facing the post element Ends of the frame elements arranged clamping connector projecting in sections in the groove of the post element. The fixing of the Zargenelemente to the post elements via the terminal connector. The skilled person various embodiments of the clamp connectors are known, for example, eccentric clamp connectors that jam with the groove of the post member. Then the plate is inserted into the grooves of the Zargenelemente and the groove of the post member, after which then another post member is attached to the free end of the frame members as described, wherein the groove of this post member also receives the plate. On the free sides of the post elements, each having free grooves, then further Zargenelemente can be fixed as described, so that a wall can be made with any length. The known wall construction system described allows a very variable construction of walls and is also very inexpensive to produce, since only a small number of different items is needed. However, this wall construction system has the disadvantage that the structure It is time-consuming for exhibition walls on site at the trade fair because the walls have to be produced from a large number of individual parts.

For example, wall-mounting systems are known in which wall panels are manufactured as prefabricated parts, which are then assembled at the fair to build walls. Such a wall construction system is, for example, in DE 20 2010 006 529 disclosed. The wall panels are made of a conventional post member and two conventional frame members and an edge profile member instead of the second post member. The edge profile element is arranged between the horizontal frames so that the ends of the frame elements lying opposite the post element remain free, so that the post element of another wall construction board with a side on which it has a free groove, as explained above, attached to the frame elements and over Clamping connector of Zargenelemente can be fixed with the Zargenelementen. In order for such wallboard panels to be sufficiently stable in themselves, it is necessary to fix the edge profile element to the frame elements. In addition, the plate of a wallboard must be held sufficiently well on the edge profile element. In addition, the edge profile element must provide a spring which can engage in the groove of an attached post element of another wallboard, so that two prefabricated wallboard can be sufficiently stable connected to each other. In the wall-mounting system described by way of example, the described objects are achieved in that the edge profile element on the one hand has a groove element in which the plate is arranged, adjacent to the groove element a hollow profile area, are used in the conventional clamp connectors for connecting the edge profile element with the Zargenelementen, and beyond on the side opposite the groove element side of the hollow profile area a spring element that can be inserted into the groove of the post element of another wallboard. The wall construction system described allows a fast construction of walls on a fair by providing sufficiently stable prefabricated wall panels. However, the edge profile element with the various sections, namely groove element, hollow profile area for receiving a clamp connector and spring element, must be very large, especially since a sufficiently large and stable hollow profile area and attached thereto must be provided sufficiently stable tongue and groove elements. The production of the edge profile element is thus complex and material-intensive, which is all the more important as the edge profile element represents an additional component that is not required in the other known wall-mounted systems described. In addition, more clamp connectors for connecting the edge profile element with the Zargenelementen are required, which increases the cost of the wall construction system even further. The advantage of this wall construction system to be able to realize the construction of walls on a fair faster, thus counteracting the disadvantage of this wall construction system that the cost of producing the necessary parts for the wall system are high.

The present invention has for its object to provide a Wandbauplatte and a wall-mounting system that at least partially solves the disadvantages of conventional wall-mounted systems described above and allows the fastest possible and at the same time most cost-effective construction of walls on a fair.

As a solution to the aforementioned technical problem, the present invention proposes a wallboard with the features of claim 1. The wallboard comprises four Frame members, each having a groove and are connected to a rectangular frame with a frame inner facing peripheral frame groove, wherein the frame groove is formed by the grooves of the frame members and a plate is inserted into the frame groove. The four frame members thus form a frame, in the frame interior of which the plate is arranged. The four frame elements thus enclose the plate. The plate is disposed in the grooves of the four frame members, and the four frame members are fixed to each other via fixing means, so that the plate is securely held in the frame formed by the four frame members. As fixing means, for example, conventional clamp connectors can be used, which are used in hollow profile areas of the Zargenelemente, as explained in the prior art. The skilled person is aware of various possibilities for realizing such fixing means for connecting two frame elements. Two of the four frame members are formed as frame members extending in a vertical direction, one of which is formed as a post member and the other as an edge member. The other two of the four frame members are formed as Zargenelemente extending in a horizontal direction, wherein the Zargenelemente abut each with a horizontal end to the post element. The post member is thus arranged in the horizontal direction adjacent to the Zargenelementen. The edge element is arranged with a first horizontal section between the frame elements and projects with a second horizontal section horizontally over the frame elements. In the vertical direction, the edge element is thus arranged between the frame elements, whereas in the horizontal direction it overlaps only with its first horizontal section with the two frame elements. From the described arrangement of the frame members and the plate results that each one of the Zargenelemente to is disposed respectively at a vertical end of the plate, and that the post member is disposed at a first horizontal end of the plate and the edge member is disposed at a second horizontal end of the plate. The post member and the edge member, both of which extend in the vertical direction, are connected to each other via the frame members which extend in the horizontal direction.

According to the invention, the edge element is formed by a one-piece metal or plastic element and has a cross section formed as a U-shape perpendicular to the vertical direction. The U-shape is open to the frame interior and formed by two side walls which are spaced apart from each other over the first horizontal portion and are interconnected only in the second horizontal portion. By the U-shape is open to the frame interior, the edge element provides its groove for receiving the plate. The plate thus extends with a horizontal portion between the side walls, since the plate is arranged in the groove of the edge element. The edge member has, in the second horizontal portion, a maximum width in a transverse direction perpendicular to the horizontal and perpendicular to the vertical direction, which is smaller than a width of the groove of the pillar member in the transverse direction. Over the entire second horizontal section, ie also over its entire extension in the vertical direction, the edge element has at most the maximum width. In one embodiment, the edge element has a total of at most the maximum width. The term "groove of the post element" of course always refers to the groove in which the plate is arranged. Particularly preferably, the post element has at least one receiving groove which is identical to the groove of the post element, in which the plate is arranged. The receiving groove thus denotes a free groove of the post element, in which not the plate of the wallboard is inserted. The receiving groove can thus accommodate a section, in particular the second horizontal section of the edge element, of a further wallboard, so that two wallboard panels, as explained with reference to the prior art, can be placed against one another for the purpose of realizing walls in exhibition construction. Particularly preferably, all four frame elements are formed as extruded parts, in particular extruded aluminum parts. As a result, the frame members can be made cheap and very stable. Particularly preferably, all the frame elements have the same cross section over their entire longitudinal extent, ie the frame elements over their extent in the horizontal direction and the post element and edge element over their extent in the vertical direction.

The wallboard according to the invention can be produced very inexpensively, since the edge element is very simple. The inventors have recognized that the U-shaped edge element has a sufficient rigidity thanks to its U-shape, so that a sufficiently rigid wallboard can be produced, which can be transported without damage and attached to other wallboard. In addition, the inventors have recognized that the monotonous and homogeneously executed U-shaped edge element at the same time a groove function for receiving the plate and a spring function fulfilled for insertion into a receiving groove of a post element of an adjacent wallboard, and that moreover, the U-shaped edge element can be easily connected in various ways sufficiently robust with the Zargenelementen. For example, such a connection can take place in that a screw is screwed vertically into the edge profile element by a passage in a frame element, so that the thread of the screw jammed with the side walls of the U-profile. For example, the edge element may extend with its first horizontal section into the groove of a frame element, wherein a fixation between the edge element and Zargenelement can be effected via a screw which extends in the transverse direction and extends through passages in the Zargenelement and in the edge element. For example, tees can be inserted into the U-shape of the edge element and screwed to the side walls, wherein the connection between the frame element and edge element can be done by screwing the tee with the frame member. The present invention thus enables the realization of a prefabricated wallboard for a wall construction system with minimal material costs and thus minimal manufacturing costs, since the edge element can be produced very easily and with very low material costs. A contributing factor is that the inventors have recognized that the edge element has sufficient stability, without providing a connection between the side walls in the first horizontal section of the edge element, but that a connection of the side walls is sufficient only in the second horizontal section the side walls converge to form the bottom of the U-shape.

In one embodiment, the grooves of the frame members each have a width in the transverse direction, the lower is the maximum width of the edge element in the transverse direction. In particular, the minimum width of the grooves of the frame elements may each be less than the maximum width of the edge element. In particular, the grooves of the Zargenelemente and the groove of the post member may be identical. The maximum width indicates the maximum extent of the edge element as a whole in the transverse direction. By adjusting the widths of the grooves of the frame elements and that of the edge element, for example, it may be possible that the edge element with its first horizontal section extends in sections into the grooves of the frame elements, whereby an even improved stability of the wall construction board can be provided. In addition, by the provision of a very small width of the edge element even more material can be saved. In addition, the provision of a very small width of the edge element can bring with it that the edge element rests very close to the plate, which can further stabilize the wallboard and in particular can also cause a visually pleasing impression of the wallboard. Particularly preferably, in each case one vertical section of the first horizontal section of the edge element is arranged in the groove of one of the two frame elements. The edge member thus extends with a first vertical portion of its first horizontal portion in the groove of a first of the two frame members and with a second vertical portion of its first horizontal portion in the groove of a second of the two frame members. As a result, the wallboard can be made particularly stable.

In one embodiment, the grooves of the post element and the horizontal frame elements facing the interior of the frame are each formed as undercut grooves. This allows the fixation of Zargenelementen and post elements together and the fixation of Zargenelemente be further improved with the edge element, since fixing means can engage behind the undercut of the grooves. It should be noted that an undercut groove is formed so that the width of the groove is reduced over a portion toward the frame interior, so that a fixing element can be arranged in the groove and through the portion of the groove in which the Width of the groove reduces, may be prevented from slipping out of the groove.

In one embodiment, the wallboard has two connecting elements, wherein the edge element is connected by means of the two connecting elements with the two frame elements, wherein each connecting element is associated with exactly one frame element and is arranged with a first vertical holding portion between the side walls of the edge element and with a second vertical Holding portion is disposed within the groove of the associated Zargenelements. The first vertical holding portion is thus arranged in the transverse direction between the side walls of the edge element and in the horizontal direction adjacent to the plate and in the vertical direction at least in sections at the level of the plate. Over the first vertical holding portion, the connecting element can thus be very easily fixed to the edge element. For this purpose, for example, a screw or a clamping wedge or a Klebefixierung be provided. Via the second vertical holding section, which is arranged in the groove of the connecting element associated Zargenelements, a very simple fixation of the connecting element can be realized with the associated Zargenelement, for example via a screw, a clamping wedge or a Klebefixierung. Correspondingly, the stable fixing between the associated frame element and the edge element can be realized reliably and simply via the connecting element, which acts as a fixing means.

By providing two connecting elements, each associated with exactly one frame element, the connecting elements can be kept small and simple. As a result, on the one hand, the fixation between frame element, connecting element and edge element can be simplified, and on the other hand, the manufacturing costs can be kept low.

In one embodiment, at least in one of the connecting elements, in particular in all the connecting elements, the first holding portion via a separate first fastening means on the edge element and the second holding portion via a separate second fastening means attached to the associated Zargenelement. As fastening means, for example screws, split pins or clamping wedges can be used. The provision of the two separate fastening means can particularly simplify the assembly of the wallboard and at the same time allow a very stable assembly of the wallboard. In particular, at least one of the connecting elements, in particular all connecting elements, may have a T-shaped cross-section perpendicular to the horizontal direction, the T-shape being formed by a base beam extending in the vertical direction and a transverse beam extending in the transverse direction Holding portion as the base bar and second holding portion is formed as the crossbar. From the T-shape of the cross-section results that the crossbar protrudes on both sides with respect to the transverse direction over the base beam. The provision of the T-shaped connecting element has the significant advantage that the base beam between the side walls of the edge element can be arranged and fixed to these, while the crossbar is in the groove of an associated Zargenelements, so that due to the considerable Extension of the crossbar in the groove is given sufficient opportunity to fix the crossbar in the groove. The provision of the T-shaped connecting element thus brings a particularly simple and reliable fixation of edge element and Zargenelement each other with it and at the same time ensures a very simple realization of the connecting element.

Particularly preferably, the first holding portion of at least one of the connecting elements, in particular of all connecting elements, a bore which is aligned with a through hole, which is provided in a side wall of the edge member, wherein the connecting element by means of a screw which extends through the hole and extends into the bore, is bolted to the edge element. For example, the bore may have an internal thread into which the screw is screwed. For example, both side walls may each have a through hole with the holes aligned with each other and with the bore, with a bolt extending through the holes and through the bore and a nut threaded onto the bolt so that both side walls are against the first retaining portion pressed. About the combined provision of a hole in a side wall and an aligned hole in the connecting element and the fixation of the connecting element via a screw with the edge element can be realized a very simple, inexpensive and stable fixation between the first holding portion and edge element. Particularly preferably, the connecting element has in its section in which it has the bore, a thickness in the transverse direction of at least 3 mm, in particular of at least 4 mm. As a result, sufficient stability of the connecting element at the level of the bore can be ensured. In particular, this may be advantageous if the bore has an internal thread into which the Screw is screwed, since then a sufficient fixation of the screw in the internal thread can be ensured due to the sufficient thickness.

In one embodiment, in at least one of the connecting elements, in particular in the case of all connecting elements, the second holding section has, on its side facing the edge element, a step profile extending in the transverse direction. The groove of this connection element associated Zargenelements is bounded on its side facing the frame inside by two undercut forming undercut sections which extend in the transverse direction and form a slot opening between them. The width of the groove thus increases from the groove opening along the vertical direction to the undercut portions. The undercut portions thus each extend from a groove wall to the groove opening. Due to the provision of the undercut portions, the groove is thus formed as an undercut groove. The second holding portion of the connecting element is arranged with a central portion of its Stufenverlaufs in the slot opening and lies with two the middle portion framing side portions at the two undercut portions within the groove. The step profile is thus formed by the step between a first side portion and the middle portion and the step between a second side portion and the middle portion. In the described embodiment, it is particularly advantageous that a fixation of the connecting element relative to the Zargenelement is ensured by the step profile and arranged between the undercut portions central portion a fixing of the connecting element relative to the transverse direction. Particularly preferably, a fixing bore is provided with an internal thread in the central portion, which extends in the vertical direction through the central portion, wherein in the Fixing a screw fixing screw is screwed, which presses against one of the groove opening in the vertical direction opposite groove bottom, whereby the fixing screw presses the side portions against the undercut portions. In this way, a particularly reliable fixation of the second holding portion can be ensured relative to the Zargenelement.

Particularly preferably, in the at least one connecting element whose second holding section has the described step profile, a thickness decreases in the transverse direction of the first holding section in the vertical direction up to the second holding section via a step, wherein the fixing screw in the vertical direction above the step and is arranged at least in sections in the transverse direction at the level of the step. As a result, it can be ensured on the one hand that the first holding section has a sufficient thickness, so that a stable fixing of the first holding section can be ensured relative to the edge element. On the other hand, this can ensure that the fixing screw can be arranged so that it is accessible during assembly, since it can be provided in the transverse direction at the height of the slot opening, and thus by screwing the fixing screw into the fixing hole described pressing the side sections of the second holding portion can be ensured against the undercut portions.

In one embodiment, within a vertical portion of the edge member that extends over half the vertical extent of the edge member and is spaced one-quarter of that vertical extent from the vertical ends of the edge member, a spacer is disposed between the sidewalls of the edge member and the sidewalls fixed. The spacer is from the plate spaced in the horizontal direction by less than 3 mm. In particular, the spacer element can rest directly on the plate. The spacer element may for example have a shape in the manner of a cuboid. The spacer element may for example have an extension length in the vertical direction of at least 50 mm, in particular at least 100 mm. The spacer substantially increases the stability of the wallboard. This is due to the fact that without the provision of a spacer element, the plate is at least over a substantial portion of the vertical extension length of the edge element from the area in the second horizontal portion of the edge element, in which the side walls are interconnected. When the edge element is loaded in the horizontal direction towards the post element, a bending of the edge element can thus be set without a spacer element, which can bring about deformations of the wall construction board. By providing the spacer element such bending is effectively prevented because the spacer element abuts against the plate in the attempt to bend the edge element towards the post element and thus reduces, if not completely prevents bending of the edge element. The spacer element may, for example, extend over the entire vertical section. The spacer element may, for example, also extend beyond the vertical section. It is essential that the spacer extends at least with a portion within the vertical portion. Because especially at the height of the vertical portion of the edge element is subjected to bending, for example, when wearing the wallboard.

In one embodiment, the Zargenelemente each have a continuous over its horizontal extent hollow profile area, wherein at both horizontal ends of both Zargenelemente each a clamping connector is arranged and fixed in the hollow profile area. Both horizontal Zargenelemente are each connected via one of its clamping connector with the post member, namely via the clamping connector, which is arranged at the horizontal end, on which the respective Zargenelement rests against the post element. The clamp connectors thus act as fixing means. Both horizontal Zargenelemente are each connected via the other of their clamp connector with another post member having a receiving groove which is identical to the groove of the post element of the wallboard, and adjacent to this receiving groove to the Zargenelemente, wherein the edge element with its second horizontal section in this receiving groove this post element is arranged. Through its two other clamp connectors, with which they are not connected to the post element of the wallboard, the horizontal frame elements can thus be connected to a post element of another wallboard or fixed to the post element, while the second horizontal portion of the edge element in the receiving groove of the post element the further wallboard is arranged, whereby a very stable fixation of two wallboard can be ensured.

In one embodiment, the wallboard has a second edge member disposed between the post member and the panel. Thus, in this embodiment, at each horizontal end of the plate extending in the vertical direction, one of the two edge elements is immediately adjacent, while the one edge element simultaneously represents a vertical portion of a horizontal end of the wallboard and with its second horizontal section over the Zargenelemente protrudes and inserted into a receiving groove of a post element of another wallboard can be, whereas the second edge member is inserted with its second horizontal portion in the groove of the post member of the wallboard, in which also the plate of the wallboard is inserted. In the groove of the post element thus extend both the second horizontal portion of the second edge element and the plate of the wallboard. Incidentally, the second edge element may be arranged as described above for the first edge element between the Zargenelementen and / or be attached to the Zargenelementen. However, it is also possible to refrain from any additional attachment between the second edge element and the frame elements, as may be provided over the connection between the post element and Zargenelementen sufficient stabilization of the wallboard may possibly. Thanks to the very simple and inexpensive construction of the edge element, the provision of such a second edge element at very low additional costs can be realized.

The invention further relates to a wall construction system comprising at least two wall panels according to the invention, wherein the post member of a first of the wall panels has a free receiving groove, wherein the edge element of a second wall panels is arranged in the receiving groove of the post element of the first wallboard, and wherein the frame members of the second wallboard with the post element of the first wallboard are connected. The wall construction system according to the invention can be produced inexpensively and allows a very fast construction of walls on a fair.

The invention further relates to a method for producing a wallboard according to the invention. In the method according to the invention, the frame elements are connected to the post element in a first step, in particular fixed to the post element. In a second Step, the plate is pushed in the horizontal direction in the grooves of the frame members and in the groove of the post member. In a third step, in each case one connecting element is pushed in the horizontal direction into the groove of one of the two frame elements and fixed in the groove. In a fourth step, the edge element is pushed onto the connecting elements in the horizontal direction, after which the connecting elements are subsequently fixed to the edge element. The inventive method allows a very simple, inexpensive and fast realization of a wallboard according to the invention.

The invention will be explained in more detail below with reference to five figures with reference to an embodiment.

Figur 1:

in einer schematischen Prinzipdarstellung eine Ansicht einer Ausführungsform einer erfindungsgemäßen Wandbauplatte;

Figur 2:

eine schematische Explosionszeichnung von Elementen der Ausführungsform gemäß Figur 1;

Figur 3:

in einer schematischen Prinzipdarstellung ein Verbindungselement der Ausführungsform gemäß Figur 1;

Figur 4:

in einer schematischen Prinzipdarstellung die Verbindung zwischen Zargenelement und Kantenelement gemäß der Ausführungsform nach Figur 1;

Figur 5:

in einer schematischen Prinzipdarstellung einen Ausschnitt der Ausführungsform gemäß Figur 1.

Show it:

FIG. 1:

in a schematic schematic diagram of a view of an embodiment of a wallboard according to the invention;

FIG. 2:

a schematic exploded view of elements of the embodiment according to FIG. 1 ;

FIG. 3:

in a schematic schematic diagram of a connecting element of the embodiment according to FIG. 1 ;

FIG. 4:

in a schematic schematic diagram of the connection between Zargenelement and edge element according to the embodiment according to FIG. 1 ;

FIG. 5:

in a schematic schematic diagram of a section of the embodiment according to FIG. 1 ,

In FIG. 1 is a view of an embodiment of a wallboard 1 according to the invention shown schematically as a schematic diagram. Out FIG. 1 It can be seen that the wallboard 1 comprises as four frame elements a post element 2, an edge element 3 and two frame elements 4, wherein the post element 2 and the edge element 3 extend in the vertical direction Y and the frame elements 4 extend in the horizontal direction X. The four frame members 2, 3, 4 thus form a rectangular frame enclosing a plate 5. In this case, the post element 2 and the edge element 3 are connected to each other via the frame elements 4. In FIG. 1 are the eccentric screws 73 of eccentric clamp connectors 7 can be seen, which are used in hollow profile areas of the frame members 4, which in FIG. 5 is shown in more detail. In each case one eccentric clamp connector 7, the post member 2 is connected to one of the frame members 4, wherein the connection is made by the eccentric clamp connector 7 is stretched over the eccentric screw 73 and spreads in the groove of the post member 2, the is undercut. In FIG. 1 Furthermore, two screws 63 can be seen, on each of which the first holding portion is screwed by a respective connecting element 6 with the edge element 3, which in FIG. 4 is shown in more detail. Out FIG. 1 is also seen that the post member 2 has a receiving groove 20 which extends in the plane of the drawing. About this receiving groove 20, a further wallboard can be connected to the post element 2 of the wall panel 1 shown for the realization of a wall.

In FIG. 2 is an exploded view of a section of the edge element 3 and the connecting element 6 of the embodiment according to FIG. 1 shown schematically. Out FIG. 2 It can be seen that the edge element 3 has two side walls 30, which are interconnected to form the U-shape of the edge element 3. Further out FIG. 2 recognizable that a side wall 30 of the edge element 3 has a through hole 33. The connecting element 6 has a cross section formed as a T-shape perpendicular to the horizontal direction X. The connecting element 6 is in FIG. 3 shown in more detail. Out FIG. 2 It can be seen that the connecting element 6 can be inserted between the side walls 30 of the edge member 3, that the bore 66 is aligned with the hole 33 so that the screw 63 can be screwed through the hole 33 in the internal thread that in the bore 66 is provided for fixing the connecting element 6 with the edge element 3. It is also off FIG. 2 recognizable that the connecting element 6 has a fixing hole 65 into which a fixing screw 64 can be screwed for pressing the connecting element 6 with an associated Zargenelement 4th

In the embodiment according to FIG. 1 used for connection element 6 is in FIG. 3 shown schematically in detail. Out FIG. 3 It can be seen that the connecting element 6 has a T-shaped cross-section perpendicular to the horizontal direction X. The T-shape of the connecting element 6 is formed from a base beam 61 and a crossbar 62. The base beam 61 has a portion in which the bore 66 is arranged, in which the screw 63 is screwed. From this portion, the thickness of the base beam 61 in the vertical direction Y decreases toward the crossbar 62 ("up") via a step, which thickness decreases over the step. The crossbar 62 has a step pattern formed by the steps between the central portion 620 and the two side portions 621, 622. The base beam 61 terminates in the crossbar 62 at the level of the central portion 620. The fixing hole 65, in which the fixing screw 64 is arranged, is in the central portion 620 and arranged in the vertical direction Y above the stage of the base beam 61 and in the transverse direction Z in sections at the level of this stage.

Out FIG. 4 schematically shows the function of the connecting element 6, the in FIG. 3 is shown in detail. In FIG. 4 is the connecting element 6 associated Zargenelement 4 shown purely schematically. Likewise is in FIG. 4 a section of the edge element 3 sections shown purely schematically. So is in FIG. 4 Although the hollow profile region of the frame element 4 is shown for the sake of simplicity, but not a clamping connector arranged in the hollow profile region, and likewise the connection of the side walls 30 of the edge element 3 in FIG FIG. 4 not shown. Out FIG. 4 However, it can be seen that the connecting element 6 is arranged with its first holding portion, which is designed as a base bar 61, between the side walls 30 of the edge element 3 and is bolted to one of the side walls 30 via the screw 63. Furthermore, it is off FIG. 4 it can be seen that the maximum width of the edge element 3 in the transverse direction Z is less than the minimum width of the groove of the frame element 4 in the transverse direction Z. The frame element 4 is provided with a vertical section in the groove of the frame element 4, namely between the undercut sections 41, 42, arranged. The connecting element 6 is arranged with its second holding portion, which is formed as a cross bar 62 in the groove of the frame member 4, wherein the central portion 620 is disposed in the groove opening between the undercut portions 41, 42 and the side portions 621, 622 at the two undercut portions 41st , 42 lie within the groove. The fixing screw 64 is pressed against the groove bottom, which is opposite to the groove opening, so that the fixing screw 64 presses the side portions 621, 622 against the undercut portions 41, 42. So that's it Connecting element 6 with its second holding portion, which is designed as a cross bar 62, very firmly fixed in the groove of the frame member 4. Thus, a very firm fixation of the frame member 4 is ensured to the edge element 3 via the connecting element 6.

In FIG. 5 is a section of the embodiment according to FIG. 1 represented, namely the in FIG. 1 illustrated lower right corner. The non-visible edges that run in the elements are in FIG. 5 shown as dashed lines. Out FIG. 5 It can be seen that an eccentric clamping connector 7 is arranged in the hollow profile region of the frame element 4. The eccentric clamping connector 7 is arranged with a connecting body 72 in the hollow profile region and protrudes with a clamping body 71 in the horizontal direction X beyond the frame member 4 also. The eccentric clamp connector 7 also has an eccentric screw 73, via which the clamping mechanism of the clamp body 71 is actuated, as a result of which the clamp body 71 spreads. Furthermore, it is off FIG. 5 It can be seen that the edge element 3 extends with its first horizontal section 31 between the frame elements 4 and thus extends horizontally along the frame elements 4, while it projects with its second horizontal section 32 in the horizontal direction X over the frame elements 4. As explained above, the edge element 3 is connected via the connecting element 6 to the screw 63 and the fixing screw 64 to the frame element 4. The wallboard 1 according to FIG. 1 can thus be attached to a further wallboard and connected to this by the second horizontal portion 32 is inserted into a receiving groove of the post member 2 of this further wallboard 1 and at the same time the clamping body 71 of the eccentric clamping connector 7 is inserted into this receiving groove. About the eccentric clamp connector 7, a fixation between the Zargenelement 4 and the other wallboard 1 and the post member 2 of the other wallboard 1 can be realized while the edge element 3 provides an additional fixation between the two wallboard 1 thanks to the engagement of a second horizontal portion 32 in the receiving groove of the post member 2 of the other wallboard 1 ,

From the above it follows that the wallboard 1 according to the invention is very simple and inexpensive to implement. The wall panel 1 according to the invention has at the same time thanks to the interaction of its components a sufficiently high stability, so that a plurality of wall panels 1 can be connected to each other, without causing damage to the wall panels 1. In addition, the plurality of wallboard 1 can be stably fixed to each other as described.

LIST OF REFERENCE NUMBERS

1

wallboard

2

post member

3

edge element

4

frame element

5

plate

6

connecting element

7

Eccentric clamp connectors

20

receiving groove

30

Side wall

31

first horizontal section

32

second horizontal section

33

hole

41, 42

Undercut section

61

basic bar

62

crossbeam

63

screw

64

fixing screw

65

locating pin

66

drilling

71

clamping bodies

72

connecting body

73

Eccentric screw

620

midsection

621, 622

side portion

X

horizontal direction

Y

vertical direction

Z

transversely

Claims (15)

1. Wall construction panel (1) for the construction of walls for exhibition stand construction comprising four frame elements (2, 3, 4), each of which having a groove and that are connected to a rectangular frame with a peripheral frame groove pointing to the frame inside, wherein the frame groove is formed by the grooves of the frame elements (2, 3, 4) and a panel (5) is inserted into the frame groove, wherein two of the four frame elements (2, 3, 4) are configured as frame elements (2, 3) extending in a vertical direction (Y), one of which is configured as a pillar element (2) and the other one as an edge element (3), wherein the two others of the four frame elements (2, 3, 4) are configured as framework elements (4) extending in a horizontal direction (X), wherein each of the framework elements (4) bears with a horizontal end on the pillar element (2), wherein the edge element (3) is placed with a first horizontal section (31) between the framework elements (4) and projects with a second horizontal section (32) horizontally over the framework elements (4), wherein the edge element (3) is formed by a one-piece metal or plastic element, wherein in particular the pillar element (2) has at least one receiving groove that is configured identically to the groove of the pillar element (2) into which the panel (5) is inserted,
   characterized in that the edge element (3) has a cross-section configured with a U-shape perpendicularly to the vertical direction (Y), wherein the U-shape is open towards the frame inside and is formed by two side walls (30) that are spaced from each other throughout the first horizontal section (31) and that are connected with each other exclusively in the second horizontal section (32), wherein the edge element (3) has in the second horizontal section (32) a maximal width in a transverse direction (Z), that is perpendicular to the horizontal direction (X) and perpendicular to the vertical direction (Y), that is less than a width of the groove of the pillar element (2) in the transverse direction (Z).
2. Wall construction panel (1) according to claim 1, characterized in that the grooves of the framework elements (4) have respectively a width in the transverse direction (Z) that is less than die maximal width of the edge element (3) in the transverse direction (Z), wherein in particular the grooves of the framework elements (4) and the groove of the pillar element (2) are configured identical.
3. Wall construction panel (1) according to claim 2, characterized in that a vertical section of the first horizontal section (31) of the edge element (3) is placed in the groove of respectively one of the two framework elements (4).
4. Wall construction panel (1) according to one of the preceding claims, characterized in that the grooves of the pillar element (2) and of the framework elements (4) pointing to the inside of the frame are configured respectively as undercut grooves.
5. Wall construction panel (1) according to one of the preceding claims, characterized in that the wall construction panel (1) has two connecting elements (6), wherein the edge element (3) is connected with the two framework elements (4) by means of the two connecting elements (6), wherein each connecting element (6) is associated to exactly one framework element (4) and is placed with a first vertical holding section between the side walls (30) of the edge element (3) and is placed with a second vertical holding section inside the groove of the associated framework element (4).
6. Wall construction panel (1) according to claim 5, characterized in that at least for one of the connecting elements (6) the first holding section (31) is fixed by a separate first fixing means to the edge element (3) and the second holding section (32) is fixed by a separate second fixing means to the associated framework element (4).
7. Wall construction panel (1) according to one of the claims 5 or 6, characterized in that at least one of the connecting elements (6) has a cross-section configured with a T-shape perpendicularly to the horizontal direction (X), wherein the T-shape is formed by a base beam (61) extending in the vertical direction (Y) and a crossbeam (62) extending in the transverse direction (Z), wherein the first holding section is configured as the base beam (61) and the second holding section as the crossbeam (62).
8. Wall construction panel (1) according to one of the claims 5 to 7, characterized in that the first holding section of at least one of the connecting elements (6) has a bore (66) that is aligned with a through-hole (33) that is provided in a side wall (30) of the edge element (3), wherein the connecting element (6) is screwed to the edge element (3) by means of a screw (63) that extends through the hole (33) and into the bore (66).
9. Wall construction panel (1) according to claim 8, characterized in that the connecting element (6) has in its section in which it has the bore (66) a thickness in the transverse direction of at least 3 mm, in particular of at least 4 mm, wherein the bore (66) has an inner thread into which the screw (63) is screwed.
10. Wall construction panel (1) according to one of the claims 5 to 9, characterized in that, for at least one of the connecting elements (6), the second holding section has a stepped extension in the transverse direction on its side pointing to the edge element (3), wherein the groove of the framework element (4) associated to this connecting element (6) is limited, on its side pointing to the frame inside, by two undercut sections (41, 42) forming an undercut that extend in the transverse direction and that form a groove opening between them, wherein the second holding section is placed in the groove opening with a central section (620) of its stepped extension and bears on the two undercut sections (41, 42) inside the groove with two lateral sections (621, 622) framing the central section, wherein a fixing bore (65) with an inner thread is provided in particular in the central section (620), fixing bore that extends in the vertical direction (Y) through the central section (620), wherein a fixing screw (64) is screwed into the fixing bore (65), fixing screw that presses against a groove base facing the groove opening so that the fixing screw (64) presses the lateral sections (621, 622) against the undercut sections (41, 42).
11. Wall construction panel (1) according to claim 10, characterized in that, for at least one connecting element (6), a thickness in the transverse direction (Z) of the first holding section decreases in the vertical direction (Y) over a step upwards to the second holding section, wherein the fixing screw (64) is placed in the vertical direction (Y) above the step and in the transverse direction (Z) at least in sections at the level of the step.
12. Wall construction panel (1) according to one of the preceding claims, characterized in that a spacer is placed between the side walls (30) of the edge element (3) inside a vertical section that extends over half the vertical extension of the edge element (3) and that is spaced from the vertical ends of the edge element (3) by respectively one fourth of this vertical extension and is fixed to the side walls (30), spacer that is spaced from the panel (5) in the horizontal direction (X) by less than 3 mm, in particular that bears on the panel (5), wherein in particular the spacer has a cuboid shape, wherein in particular the spacer has an extension length in the vertical direction (Y) of at least 50 mm, in particular of at least 100 mm.
13. Wall construction panel (1) according to one of the preceding claims, characterized in that the framework elements (4) have a hollow profile area extending throughout over their horizontal extension, wherein a clamp connector (7) is placed on each of the two horizontal ends of the two framework elements (4), wherein both horizontal framework elements (4) are connected with the pillar element (2) respectively by one of their clamp connectors (7) and wherein both horizontal framework elements (4) can be connected respectively by their other clamp connector (7) with a further pillar element (2) that has a receiving groove that is identical to the groove of the pillar element (2) of the wall construction panel (1) and that is adjacent to the framework elements (4) with this receiving groove, wherein the edge element (3) is placed with its second horizontal section in this receiving groove of this further pillar element (2).
14. Wall construction system comprising at least two wall construction panels (1) according to one of the preceding claims, wherein the pillar element (2) of a first of the wall construction panels (1) has a free receiving groove, wherein the edge element (3) of a second of the wall construction panels (1) is placed in the receiving groove of the pillar element (2) of the first wall construction panel (1), wherein the framework elements (4) of the second wall construction panel (1) are connected with the pillar element (2) of the first wall construction panel (1).
15. Method for producing a wall construction panel (1) according to one of the claims 1 to 13, characterized in that

    a) in a first step the framework elements (4) are connected with the pillar element (2),

    b) in a second step the panel (5) is pushed in the horizontal direction (X) into the grooves of the framework elements (4) and into those of the pillar element (2),

    c) in a third step a connecting element (6) is respectively fixed in the horizontal direction (X) into the groove respectively of one of the two framework elements (4) and is fixed in the groove,

    d) in a fourth step the edge element (3) is pushed in the horizontal direction (X) onto the connecting elements (6) and the connecting elements (6) are then fixed to the edge element (3).

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