Modular partition wall for indoor use, method for erecting the modular partition wall for indoor use and use of the modular partition wall for indoor use

Abstract

Modular partition wall (60, 601, 602, 603, 604, 605, 606) for indoor use, flexible in height and width and easy to assemble and disassemble, featuring: a plurality of partition wall elements (10, 10'); and a plurality of rod-shaped connecting elements (20); wherein the connecting elements (20) each have an internal thread (22) at a first end, and at a second end opposite the first end have a recess with an external thread (23) complementary to the internal thread (22), and wherein a cross-sectional area of ​​the respective connecting element (20) is constant except for the recess, wherein the partition wall elements (10, 10') each have at least one passage (11) in which a connecting element (20) can be arranged, wherein the at least one passage (11) completely penetrates the respective partition wall element (10, 10') in the vertical direction and is oriented parallel to a front face of the respective partition wall element (10, 10'), and wherein the at least one passage (11) has a cross-sectional area constant over its respective length, wherein the length (L20) of each connecting element (20) is greater in total than the length of the at least one passage (11), wherein a length (L21) of each connecting element (20) between the first end and the setback corresponds at most to the length (H10) of the at least one passage (11), so that a connecting element (20) arranged in the passage (11) of each partition element (10, 10') is substantially flush with the passage (11) at its first end, wherein a largest outer diameter of the connecting elements (20) is less than 5.0 mm smaller than the diameter of the passages (11) through the partition wall elements (10, 10'), where the height (H10) of the partition wall elements (10, 10') is between 15 cm and 150 cm; wherein a width (B10) of the partition wall elements (10, 10') is between 40 cm and 300 cm; and where the thickness (D10) of the partition wall elements (10, 10') is between 2 cm and 10 cm.

Description

[0001] The present invention relates to a modular partition wall for indoor use, a method for erecting the modular partition wall for indoor use and a use of the modular partition wall for indoor use.

[0002] Modular partition walls for indoor use are often used in large rooms and halls to reduce the propagation of sound and to create visual division. Modular partition walls can also provide visual protection. With modular partition walls, it is desirable that they can be assembled and dismantled flexibly and without the use of heavy tools, making them easy to move and adapt to changing conditions. Furthermore, it is desirable that modular partition walls have a comparatively low dead weight (compared to solid walls, which are particularly used outdoors), so that the structural requirements for the substructure do not have to be high when erecting modular partition walls. In general, it is sufficient if the substructure is load-bearing.

[0003] In solid construction, it is known to connect concrete or brick blocks vertically using metal screws, particularly to increase earthquake resistance. Reference is made to FR 2 425 512 A1 or JP H06 - 299 621 A. Due to their weight, such walls cannot be used flexibly as partition walls. Firstly, the use of heavy machinery is often required for assembly, dismantling, and relocation; secondly, such walls place high demands on the load-bearing capacity of the substructure in terms of statics. Since such walls are intended for outdoor use, where considerable wind loads, etc. occur, weight reduction is generally not easily achieved. Furthermore, such walls should be load-bearing and non-relocatable.

[0004] European patent EP 2 369 080 B1 discloses a modular partition wall in which partition elements arranged one above the other have complementary projections / cavities and are detachably connected to one another by means of an internal tension lock. The disadvantage of this solution is that the tension lock is technically complex; moreover, the tension lock requires the partition elements to be considerably thick so that they can accommodate the tension lock. Finally, the partition elements must each be accessible from above and thus hollow to allow the tension lock to be operated. This operatability of the tension lock requires a minimum thickness of the partition elements of at least 10 cm. Furthermore, this solution does not allow for offset arrangement of partition elements arranged one above the other.

[0005] German utility model DE 296 00 322 U1 discloses a connecting system for constructing surfaces and bodies from plate-shaped elements. The plate-shaped elements can each have blind holes on their end faces into which rods can be inserted. These rods, partially received in the blind holes of a first plate-shaped element, are then received in the blind holes of an adjacent second plate-shaped element. The rods can have barbs that prevent the rods from being pulled out of the blind holes. A height-flexible room divider based on a comparable plug-in system is also known from French patent FR 2 865 366 A1, US patent US 5 694 997 A, and US patent US 8 042 698 B2.These previously known solutions have the disadvantage that they can either no longer be easily and non-destructively dismantled after construction, or that adjacent elements in the vertical direction cannot be sufficiently fixed relative to each other.

[0006] A furniture system with vertical frame legs onto which extension tubes can be attached is known from DE 44 35 660 A1. Horizontal cross members are arranged between adjacent frame legs and / or extension tubes. Plate-shaped components, which have a keyway around the edges, are held at the edges by the frame legs or extension tubes and cross members.

[0007] Solutions for the horizontal connection of hollow structural elements are known from WO 96 / 27 056 A1 and FR 2 713 257 A1. The structural elements are each penetrated by connecting elements, each of which has an external thread at one end and an internal thread complementary to the external thread at the other end. The head of the connecting element has a larger diameter than a bore in the structural element that accommodates the connecting element. The connecting element is adapted to the associated structural element in such a way that a defined gap remains between adjacent structural elements when connected.

[0008] From German patent application DE 10 2015 209 761 A1 and German patent application DE 42 19 601 C2, it is known to provide a room divider using wire ropes or rods stretched between a floor and a ceiling. A disadvantage of these solutions is that the room divider cannot be easily adjusted due to the way the wire ropes and rods are attached to the floor and ceiling.

[0009] Room dividers with multiple stacked wall elements, each of which is vertically interspersed with multiple rods, are known from German utility model DE 20 2012 001 279 U1 and German laid-open application DE 10 2010 063 488 A1. The multiple rods extend in one piece across the entire height of the room divider. A disadvantage of this solution is that the length of the rods must be adjusted to the height of the room divider, thus preventing the room divider from being flexibly adjusted in height.

[0010] Based on this, the object of the present invention is to provide a modular partition wall for indoor use that allows a high degree of flexibility in terms of its height and width and can be easily assembled, disassembled, or modified (and is thus relocatable), while simultaneously exhibiting great stability. Furthermore, the object of the present invention is to provide a method for erecting the modular partition wall for indoor use and a use of the modular partition wall for indoor use.

[0011] The present problem is solved by combining the features of the independent claims. Preferred developments can be found in the subclaims.

[0012] Embodiments of a modular, height and width-flexible, and easily assembled and disassembled partition wall for indoor use comprise a plurality of partition wall elements and a plurality of rod-shaped connecting elements. The connecting elements each have an internal thread at a first end. At a second end opposite the first end, the connecting elements each have a recess with an external thread complementary to the internal thread. As a result, several connecting elements can be detachably connected to one another by screwing an external thread of a first connecting element into the internal thread of a second connecting element. In this way, the total length of the screwed-together connecting elements can be easily adapted to a desired (total) height of the partition wall.The partition wall elements each have at least one passage that completely extends vertically through the respective partition wall element and is oriented parallel to a front side of the respective partition wall element, and in which exactly one connecting element can be arranged. Thus, the connecting elements secure the partition wall elements, through whose passages the connecting elements have been passed, against displacement perpendicular to the longitudinal direction of the connecting elements relative to the connecting elements. Each at least one passage has a cross-section that is constant over its respective length.The connecting elements and the partition wall elements are adapted to one another in such a way that a length of each individual connecting element is greater overall than the length of the at least one passage, and a length of each individual connecting element between its first end and its recess is less than or equal to the length of the at least one passage, so that a connecting element arranged in the passage of a respective partition wall element is essentially flush with the passage at its first end. A largest outer diameter of the connecting elements is less than 5.0 mm smaller than the diameter of the passages through the partition wall elements. A “rod-shaped connecting element” is understood to mean a body that has an elongated, straight shape. According to one embodiment, a cross-sectional area of ​​the body is constant, with the exception of the recess.Therefore, the body does not have a head with an enlarged cross-sectional area. The height of the partition wall elements is between 15 cm and 150 cm. The width of the partition wall elements is between 40 cm and 300 cm. The thickness of the partition wall elements is between 2 cm and 10 cm.

[0013] This results in the following dependency for each individual connecting element: Length of the connecting element between its first end and its recess ≤ length of the passage ≤ length of the connecting element

[0014] The partition wall can be freely positioned on a flat surface (floor) without the need for attachment to the surface or bracing to a ceiling or wall. To increase stability, it is helpful if the partition wall elements are not all arranged in one plane, but rather have a bend or a curved shape, for example.

[0015] According to one embodiment, the length of the connecting elements between the first end and the recess is greater than or equal to the length of the respective internal thread.

[0016] According to one embodiment, the length of the connecting elements between their first end and their recess is less than 10%, less than 80%, or less than 50% shorter than the length of the associated passage.

[0017] According to one embodiment, the length of the connecting elements between the first end and the recess corresponds to at least 50% or at least 80% or at least 90% of the length of the respective connecting element.

[0018] According to one embodiment, the length of the connecting elements between the first end and the recess is each at least 0.5 cm or at least 1 cm or at least 5 cm or at least 10 cm.

[0019] The above adaptation results in a connection plane between interconnected connecting elements being essentially in the same plane as a separation plane between vertically adjacent partition wall elements, through whose openings the interconnected connecting elements pass. Furthermore, this design of the connecting elements makes it possible to subject interconnected connecting elements to both compressive and tensile loads.

[0020] As a result, partition walls of any height can be erected using the connecting elements and partition wall elements according to the invention, without requiring any adjustment of the elements beyond the number of connecting elements and partition wall elements required. Since the connecting elements completely penetrate the passages through the partition wall elements, the partition wall elements are securely held by the connecting elements.

[0021] The partition wall elements and the connecting elements can be made of the same material or of different materials. According to one embodiment, the connecting elements are made of metal, in particular aluminum. According to one embodiment, the partition wall elements are made of metal, in particular aluminum, and / or wood, and / or fabric, and / or plastic.

[0022] According to one embodiment, the partition wall elements each have at least exactly two or more than two or exactly three parallel passages. If the partition wall elements each have at least two parallel passages, it is possible to arrange partition wall elements arranged one above the other in height offset from one another in the longitudinal direction of the partition wall. This allows the partition wall to be designed flexibly not only in terms of its height but also in terms of its width. According to one embodiment, the partition wall elements have passages at regular intervals of between 20 cm and 150 cm or at intervals of 30 cm and / or 70 cm. According to one embodiment, the passages, which are arranged longitudinally adjacent to edges of the partition wall elements, are spaced from the edges by between 15 cm and 20 cm and in particular 17.5 cm.However, it is emphasized that partition wall elements can also be used that have only a single passage.

[0023] According to one embodiment, the passageways of all partition wall elements are the same length. This allows all partition walls to be of the same height, which offers advantages in terms of logistics.

[0024] According to one embodiment, all connecting elements are of the same length or even identical to each other, which simplifies logistics.

[0025] According to one embodiment, the connecting elements are formed in one piece from solid material and in particular from metal, wood or plastic. According to an alternative embodiment, the connecting elements are each formed from a tube, in the first end of which a nut is inserted in a rotationally fixed manner, which forms the internal thread, and in the second end of which a screw is inserted in a rotationally fixed manner, the shaft of which forms the recess with the external thread. The length of a connecting element between the first end and the recess then corresponds to the length of the tube. The tube, the nut and the screw can then be formed from the same material or from different materials. According to one embodiment, the tube, the nut and the screw are each formed from metal, wood or plastic.

[0026] According to one embodiment, the connecting elements have at least one tool engagement portion adjacent to their first and / or second end. According to one embodiment, the tool engagement portion is a recess or bore formed in a lateral surface of the connecting elements. According to an alternative embodiment, the tool engagement portion is one or more flattened surfaces provided on a lateral surface of the connecting elements. These surfaces can, for example, form a square or hexagon in the circumferential direction of the connecting element. It is emphasized that the tool engagement portion is only optional.

[0027] According to one embodiment, the modular partition wall further comprises a plurality of washers, each with a centrally arranged hole, wherein the hole diameter of the washers is less than 16 mm, less than 6 mm, or less than 2 mm larger than the outer diameter of the external thread of the connecting elements. Thus, the hole diameter of the washers is well adapted to the outer diameter of the external thread of the connecting elements.

[0028] According to one embodiment, the outer diameter of the washers can then be equal to the largest outer diameter of the connecting elements. This has the advantage that the washers are visually unobtrusive and do not interfere with the passage of two interconnected connecting elements through openings in partition wall elements.

[0029] According to one embodiment, the outer diameter of the washers can then be equal to the diameter of the passages through the partition wall elements. Consequently, the washers do not interfere with the passage of two interconnected connecting elements through passages in the partition wall elements.

[0030] According to an alternative embodiment, the outer diameter of the washers is between 0.2 mm and 80 mm, or between 10 mm and 60 mm, or between 20 mm and 40 mm larger than the largest outer diameter of the connecting elements. If the outer diameter of the washers is significantly larger than the largest outer diameter of the connecting elements, the washers can prevent displacement of the partition wall elements in the longitudinal direction of the connecting elements.

[0031] According to an alternative embodiment, the outer diameter of the washers is between 0.2 mm and 80 mm, or between 10 mm and 60 mm, or between 20 mm and 40 mm larger than the diameter of the passages through the partition wall elements. Consequently, the washers prevent any displacement of the partition wall elements in the longitudinal direction of the connecting elements.

[0032] If the outer diameter of the washers is larger than the diameter of the openings through the partition wall elements, the washers allow adjacent partition wall elements to be clamped together vertically using the connecting elements. This also allows for a permanent fixation of the angle formed by adjacent partition wall elements in a plane traversed vertically by the connecting elements.

[0033] According to one embodiment, the washers have the overall shape of a circular disc with a central hole.

[0034] According to one embodiment, the partition wall elements each have at least one edge-mounted recess which surrounds an outlet opening of the at least one passage through the respective partition wall element. If the recesses are at least half as deep as the thickness of the washers, a washer located between two interconnected connecting elements can be completely accommodated by adjacent partition wall elements. If, on the other hand, the recesses are as deep as or deeper than the thickness of the washers, a washer located between two interconnected connecting elements can be completely accommodated by one partition wall element alone. This means that partition elements adjacent in the vertical direction do not rest solely on the washers, but come into contact with one another. It is emphasized that the edge-mounted recess is only optional.Particularly in the case of partition wall elements which are made of a non-hard material such as a sound-absorbing padding material and a cover, an edge recess can be omitted, as the material can then be compacted in the area of ​​the washer.

[0035] According to one embodiment, a largest outer diameter of the connecting elements is less than 0.5 mm smaller than the diameter of the passages through the partition wall elements, or a largest outer diameter of the connecting elements is less than 1.0 mm smaller than the diameter of the passages through the partition wall elements, or a largest outer diameter of the connecting elements is less than 2.0 mm smaller than the diameter of the passages through the partition wall elements. It is advantageous if the connecting elements are guided through the partition wall elements with a sliding fit or with a small amount of play in the passages.

[0036] According to one embodiment, the modular partition wall further comprises a plurality of adjustable feet. Each of the adjustable feet has either an external thread complementary to the internal thread of the connecting elements or an internal thread complementary to the external thread of the connecting elements. Thus, the connecting elements can be detachably connected to the adjustable feet. The use of adjustable feet also makes it possible to ensure that the connecting elements do not protrude upwards beyond the topmost partition wall element of a partition wall. Furthermore, the adjustable feet allow the modular partition wall to be freely positioned in the room even when all partition wall elements are arranged within the same plane, since the adjustable feet then prevent the modular partition wall from tipping over.

[0037] According to one embodiment, the adjustable feet have a contact surface for a partition wall element, which has the same diameter as the washers.

[0038] According to one embodiment, the adjustable feet are made of the same material as the connecting elements and / or washers.

[0039] According to one embodiment, the modular partition wall further comprises a plurality of knurled screws, wherein the knurled screws have an external thread complementary to the internal thread of the connecting elements, and wherein the outer diameter of the heads of the knurled screws is between 0.2 mm and 80 mm, or between 10 mm and 60 mm, or between 20 mm and 40 mm larger than the diameter of the passages through the partition wall elements. Such knurled screws can ensure that an uppermost partition wall element of the partition wall cannot be easily lifted off the connecting elements when the knurled screws are connected to the connecting elements.

[0040] According to an alternative embodiment, the modular partition wall further comprises a plurality of tubular end caps, wherein the end caps have an internal thread complementary to the external thread of the connecting elements at a first end and a knurled head at a second end opposite the first end, wherein an external diameter of the end caps, with the exception of the knurled head, is less than or equal to the diameter of the passages through the partition wall elements, and wherein the external diameter of the knurled heads of the end caps is between 0.2 mm and 80 mm, or between 10 mm and 60 mm, or between 20 mm and 40 mm larger than the diameter of the passages through the partition wall elements. Such end caps can also be detachably connected to the connecting elements and then ensure that an uppermost partition wall element of the partition wall cannot simply be lifted off the connecting elements.

[0041] According to one embodiment, the connecting elements and the passages through the partition wall elements are straight.

[0042] According to one embodiment, the connecting elements and the passages through the partition wall elements have a circular cross-section. In this case, the connecting elements can be, for example, round tubes or round rods, and the passages can be, for example, holes. Furthermore, it is then possible to rotate partition wall elements relative to a connecting element passing through them.

[0043] According to an alternative embodiment, the connecting elements and the passages through the partition wall elements have an oval cross-section. According to an alternative embodiment, the connecting elements and the passages through the partition wall elements have a rectangular cross-section. According to an alternative embodiment, the connecting elements and the passages through the partition wall elements have a square cross-section. With such non-circular cross-sections, free rotation of the partition wall elements relative to a connecting element passing through them is not possible. However, it is possible to fix the partition wall elements at a specific angle relative to a connecting element passing through the partition wall elements.

[0044] According to one embodiment, a height of the partition wall elements is between 22.5 cm and 135 cm or between 20 cm and 60 cm or between 40 cm and 50 cm or 22.5 cm or 45 cm or 90 cm or 135 cm.

[0045] According to one embodiment, the width of the partition wall elements is between 100 cm and 280 cm or 170 cm.

[0046] According to one embodiment, the thickness of the partition wall elements is between 3 cm and 7 cm.

[0047] According to one embodiment, the partition wall elements have a honeycomb structure inside them, arranged between two thin, parallel panels. This allows the production of very thin yet sufficiently stable partition wall elements.

[0048] According to one embodiment, a length of the connecting elements is in each case between 15.5 cm and 160 cm or between 23.5 cm and 145 cm or between 22 cm and 70 cm or between 42 cm and 55 cm or 48.3 cm and in particular 24.5 cm or 47 cm or 92 cm or 137 cm.

[0049] According to one embodiment, a length of the connecting elements between the first end and the recess is between 19.8 cm and 60 cm or between 39.8 cm and 50 cm or 44.6 cm.

[0050] According to one embodiment, a length of the connecting elements between the first end and the recess is between 0.5 cm and 10 cm or between 1 cm and 5 cm and in particular 2.2 cm less than the total length of the respective connecting element.

[0051] According to one embodiment, some or all of the partition wall elements are cuboid-shaped. According to one embodiment, the partition wall is non-load-bearing.

[0052] According to one embodiment, some or all of the partition wall elements have a weight of between 0.5 kg and 15 kg or between 1 kg and 5 kg.

[0053] According to an alternative embodiment, some or all of the partition wall elements have the shape of a simply curved shell. For example, the shell can have the shape of a cylindrical shell section.

[0054] According to one embodiment, the partition wall elements have a sound absorption coefficient of greater than 0.8 or greater than 0.9 in the frequency range of 400-1000 Hz. According to one embodiment, the partition wall elements have a sound absorption coefficient of less than 1.0, less than 0.98, or less than 0.96 in the frequency range of 400-1000 Hz. According to one embodiment, the partition wall elements have a sound absorption coefficient of between 0.8 and 1.0 or between 0.8 and 0.96 in the frequency range of 400-1000 Hz. Consequently, a partition wall formed from the partition wall elements has a strong sound-absorbing effect.

[0055] According to one embodiment, the top and bottom sides of the partition wall elements have complementary recesses and projections. This design, which can also be referred to as a tongue-and-groove arrangement, provides additional fixation between adjacent partition wall elements.

[0056] Embodiments of a method for erecting a modular partition wall for indoor use as described above comprise the following steps: Providing a number of adjustable feet, partition wall elements, connecting elements, and knurled screws or end caps. Screwing together one adjustable foot and one connecting element each. Arranging a first row of partition wall elements above the adjustable feet, wherein the connecting elements connected to the adjustable feet are passed through the passages in the partition wall elements. Screwing together one further connecting element each to the connecting elements passed through the passages in the partition wall elements. Arranging a further row of partition wall elements above the first row of partition wall elements, wherein the connecting elements are passed through the passages in the partition wall elements.Repeat the previous two steps until the desired height of the partition wall is reached. Then, screw the knurled screws or end caps onto the connecting elements threaded through the holes in the top partition wall elements.

[0057] Knurled screws should be used if the leveling feet have internal threads into which the external threads of the connecting elements are screwed. End caps, on the other hand, should be used if the leveling feet have external threads that are screwed into the internal threads of the connecting elements.

[0058] According to one embodiment, the connecting elements are screwed together step by step as the partition wall elements are arranged, so that only one connecting element needs to be passed through a passage of a partition wall element at a time. According to an alternative embodiment, however, it is also possible to first connect a plurality of connecting elements together and only then thread several partition wall elements with their passages onto the connecting elements.

[0059] According to one embodiment of the method, a number of washers are further provided and, in the step of screwing a further connecting element to the connecting elements guided through the passages in the partition wall elements, at least one washer is arranged between the connecting elements, wherein the outer diameter of the washers is between 0.2 mm and 80 mm or between 10 mm and 60 mm or between 20 mm and 40 mm larger than the diameter of the passages through the partition wall elements.

[0060] The partition wall described above or constructed according to the above method is well suited for use as a room divider and / or as a sound absorber in a building, in particular in an office space or in public spaces and thus indoors.

[0061] Embodiments of the invention are explained in more detail below with reference to the figures. Herein: Fig. 1A is a top view of a partition wall element according to a first embodiment; Fig. 1B is a top and front view of a partition wall element according to a second embodiment; Fig. 2 is a side view of a connecting element according to an embodiment, wherein hidden elements are shown in dashed lines; Fig. 3 is a side view of an adjustable foot according to a first embodiment, wherein hidden elements are shown in dashed lines; Fig. 4 is a side view of an adjustable foot according to a second embodiment, wherein hidden elements are shown in dashed lines; Fig. 5 is a side view of a thumbscrew according to one embodiment; Fig. 6 to 6E schematically show in perspective the structure of a partition wall according to an embodiment; Fig. 7A to 7C schematically show perspective views of partition walls, which partition wall elements similar to the one shown in Fig. Use 1B; and Fig. 8A to 8C schematically show perspective views of partition walls, which partition wall elements similar to the one shown in Fig. Use 1A.

[0062] In all following figures, hidden lines are shown dashed.

[0063] Fig. 1A shows a plan view of a partition wall element 10' for indoor use according to a first embodiment. Fig. 1B shows a second embodiment of a partition wall element 10. The Fig. 1B shows a plan view of the partition wall element 10 at the top and a side view of the partition wall element 10 at the bottom. Since the Fig. 1A and Fig. 1B are very similar, these two figures are described together below and differences between the figures are specifically highlighted.

[0064] The Fig. The partition wall element 10' shown in Figure 1A has the shape of a cylinder jacket section, the side view of which in Fig. 1B shown below.

[0065] In contrast to the Fig. 1A, the partition wall element 10 of the Fig. 1B overall cuboid-shaped.

[0066] The partition wall elements 10, 10' are each made of wood and covered with a sound-absorbing fabric material. As a result, the Fig. 1A and Fig. The partition wall elements shown in Figure 1B have a sound absorption coefficient of 0.85 in a frequency range of 400–1000 Hz. The corners of the partition wall elements 10 and 10' are each rounded.

[0067] Furthermore, the adjusting elements 10, 10' each have three parallel passages 11 in the form of bores, which completely penetrate the adjusting elements 10, 10' in the height direction H and are oriented parallel to a front side of the adjusting elements 10, 10'. The three passages 11 are aligned perpendicular to an upper and lower edge of the adjusting elements 10, 10', as can be clearly seen from Fig. 1B below. In the thickness direction D of the partition wall elements 10, 10', the passages 11 are arranged centrally. One passage 11 is arranged in the longitudinal direction L of the partition wall elements 10, 10' in the middle of the partition wall element 10, 10' and two passages 11 are arranged adjacent to the edges of the partition wall element 10, 10'. The distance of the edge passages 11 to the edge is 17 cm (in Fig. 1A) or 17, Fig. 5 cm (in Fig. 1B) and the distance to the centrally located passage 11 is 70 cm each. The diameter of the passages 11 is 2.3 cm each.

[0068] It is desirable if the grid in which the passages are formed by shell-shaped partition wall elements 10' as in Fig. 1A, corresponds to the grid in which the passages are formed by cuboid partition wall elements 10 as shown in Fig. 1B to ensure that these partition wall elements 10, 10' can be combined with each other.

[0069] Surrounding the passages 11 in the center, the partition wall elements 10, 10' each have marginal recesses 12 with a depth of 1 mm. These recesses 12 are provided at both exit openings of each passage 11 through the partition wall elements 10, 10'.

[0070] In the Fig. 1A and Fig. 1B, the partition wall elements 10, 10' each have a length L10 of 175 cm, which in the case of the partition wall element 10' of the Fig. 1A is measured along a radially outer and thus curved surface. The thickness D10 of the partition wall elements 10, 10' is 5 cm each, and the height H10 is 45 cm each.

[0071] In Fig. 2 shows a side view of an overall rod-shaped and straight connecting element 20. In the embodiment shown, the connecting element 20 is formed from a metal tube 21. A nut providing an internal thread 22 is inserted into the upper end of the metal tube 21. A screw with an external thread 23 is inserted at the lower end of the metal tube 21. The external thread 23 of the screw is recessed relative to the tube 21, thus forming a recess in the connecting element 20. The external thread 23 of the screw is complementary to the internal thread 22 of the nut, so that several connecting elements 20 can be detachably connected to one another. Both the nut and the screw 23 are fastened in a rotationally fixed manner relative to the tube 21.

[0072] An outer diameter of the tube 21 of the connecting element 20 is 2.2 cm and is well adapted to the inner diameter of the passages 11 through the Fig. 1A and Fig. 1B. Both the tube 21, which essentially forms the connecting elements 20, and the passages 11 through the partition elements 10, 10' each have a circular cross-section in the embodiment shown.

[0073] A length L21 of the tube 21 is 44.6 cm, which is 4 mm shorter than the height H10 of the Fig. 1A and Fig. 1B and the corresponding length of the passages 11 through the partition elements 10, 10'. The total length L20 of the connecting element 20, at 48.3 cm, is 3.3 cm longer than the passages 11 through the partition elements 10, 10'. This greater length of the connecting elements 20 is formed by the section L23 of the external thread 23 of the screw that projects beyond the pipe 21.

[0074] Adjacent to the two ends, the connecting element 20 has bores 24 which provide a tool engagement.

[0075] In Fig. Figure 3 shows a side view of an adjustable foot 30 according to a first embodiment. The adjustable foot 30 consists of a disc 33 to which a cylinder 31 with an internal thread 32 is attached by means of a screw 34. The internal thread 32 of the cylinder 31 is adapted to the external thread 23 of the screw of the connecting element 20.

[0076] In Fig. 4 shows a second embodiment of an adjustable foot 40. The Fig. The adjustable foot shown in Figure 4 consists only of a cylinder 41, which has an internal thread 42 in the center. The internal thread 42 is also adapted to the external thread 23 of the screw of the connecting element 20.

[0077] The height of the cylinder 41 in the embodiment shown is 6 cm, which corresponds to the total height of the Fig. 3, so that both feet 30, 40 can be combined with each other. In addition, the Fig. 3 and Fig. 4, the adjustable feet 30, 40 are made of the same metal as the connecting elements 20.

[0078] The outer diameters of the cylinders 31 and 41 of the Fig. 3 and Fig. 4 is 6 cm larger than the inner diameter of the passages 11 through the Fig. 1A and Fig. 1B shown partition wall elements 10, 10'.

[0079] In Fig. 5 shows a side view of a knurled screw 50. This consists of a knurled head 51, the diameter of which is 3.3 cm larger than the inner diameter of the passages 11 through the Fig. 1A and Fig. 1B, and an external thread 52 which is adapted to the internal thread 22 of the nut of the connecting elements 20.

[0080] In the following, with reference to the Fig. 6 and 6A to 6D, an assembly of a partition wall 60 for indoor use with the elements described above is explained. Fig. 6 an exploded view of the partition wall 60. In the Fig. 6A to 6D show a partial side view in the upper right and a complete perspective view in the lower left. In the partial side views, elements assembled in a previous step are shown in solid lines, and previously assembled elements are shown in dotted lines.

[0081] As in Fig. 6A, the external threads 23 of connecting elements 20 are first screwed to the internal threads 32, 42 of the adjustable feet 30, 40. A washer 70 is placed between the connecting elements 20 and the adjustable feet 30, 40. As can be clearly seen from the side view in Fig. 6A top right, the outer diameter of the washer 70 is 3.3 cm, smaller than the diameter of the cylinders 31, 41 of the adjustable feet 30, 40 but larger than the diameter of the passages 11 through the partition wall elements 10. In the embodiment shown, the washers 70 each have a thickness of 2 mm.

[0082] The passages 11 of the partition wall element 10 are then plugged onto the connecting elements 20.

[0083] Fig. 6B shows a side view of the end of Fig. 6A in which a connecting element 20 is connected to a setting foot 30 and penetrates a passage 11 through a partition wall element 10.

[0084] Subsequently, additional connecting elements 20 are screwed to the connecting elements 20 already passed through the partition wall element 10. A washer 70 is placed between each connecting element 20. This washer 70 is received, to half its thickness, in the peripheral recesses 12 of the retaining wall element 10, which surround the passages 11. Since the diameter of the washer 70 is larger than the diameter of the passages 11, the washers 70 thus fix the partition wall element 10 in the longitudinal direction of the connecting elements 20.

[0085] The one at the end of Fig. 6B product is in Fig. 6C shown top right in side view.

[0086] Subsequently, the passages 11 of another partition wall element 10 are threaded onto the connecting elements 20. Since the upper partition wall element 10 also has marginal recesses 12 surrounding the passages 11, the washers 70 between the partition wall elements 10 are completely received by the recesses 12 and the partition wall elements 10 thus lie flat against one another.

[0087] The one at the end of Fig. 6C product is in Fig. 6D is shown in a side view at the top right. It is clear that the separation planes between the connecting elements 20 coincide with the separation plane between the partition wall elements 10.

[0088] As in Fig. 6D shown below, knurled screws 50 are then screwed onto the connecting elements 20 passing through the uppermost partition wall element 10 and also fix the upper partition wall element 10 in the longitudinal direction of the connecting elements 20, since the knurled head 51 of the knurled screws 50 has a larger diameter than the passages 11 through the partition wall elements 10.

[0089] The finished partition wall 60 obtained in this way is in Fig. 6E shown in both perspective view and side view.

[0090] It is emphasized that the use of washers 70 is only optional. Furthermore, it is not necessary to use different adjustable feet 30, 40. The number of passages 11 through the partition wall elements 10 and, accordingly, the number of connecting elements 20, as well as the number of partition wall elements 10 arranged one above the other, can also be varied.

[0091] In the above Fig. 6, 6A to 6E, all the partition elements 10 of the modular partition 60 are arranged in one plane and the partition is prevented from tipping over by the adjustable feet 30, 40.

[0092] In the Fig. 7A to 7C are perspective examples of partition walls 601, 602 and 603 for indoor use, as they are formed with cuboid partition wall elements 10, such as one in Fig. 1B. The adjustable feet and knurled screws are not shown.

[0093] In the Fig. 8A to 8C are perspective examples of partition walls 604, 605 and 606 for indoor use, which consist of shell-shaped partition wall elements 10', such as one in Fig. 1A, or by a combination of shell-shaped partition wall elements 10' with cuboid-shaped partition wall elements 10, such as one shown in Fig. 1B. Here, too, the adjustable feet and knurled screws are not shown.

[0094] Even if in the Fig. 7A to 7C and 8A to 8C only show partition walls consisting of exactly three partition wall elements 10, 10' arranged one above the other, it is obvious to the person skilled in the art that the partition walls can be varied as desired both in their height and in their length.

[0095] Since in Fig. 1A and Fig. 7A, Fig. 7C, Fig. 8A, Fig. 8B and Fig. 8C, not all partition elements of the partition wall are arranged in one plane, but adjacent partition elements form an angle with each other in a plane to which the connecting elements are perpendicular, the partition walls shown there are prevented from falling over due to the arrangement of the partition elements. Adjustable feet are therefore not absolutely necessary.

[0096] Furthermore, it is obvious to the person skilled in the art that instead of the Fig. 3 and Fig. 4 shown adjustable feet with internal threads can also be used. In this case, instead of the Fig. 5, a cover cap (not shown) is used which has an internal thread to accommodate the external thread of the connecting elements.

Claims

[1] Modular partition wall (60, 601, 602, 603, 604, 605, 606) for indoor use, flexible in height and width and easy to assemble and disassemble, comprising: a plurality of partition wall elements (10, 10'); and a plurality of rod-shaped connecting elements (20); wherein the connecting elements (20) each have an internal thread (22) at a first end and a recess with an external thread (23) complementary to the internal thread (22) at a second end opposite the first end, and wherein a cross-sectional area of ​​the respective connecting element (20) is constant with the exception of the recess, wherein the partition wall elements (10, 10') each have at least one passage (11) in which a connecting element (20) can be arranged, wherein the at least one passage (11) completely penetrates the respective partition wall element (10, 10') in the height direction and is oriented parallel to a front side of the respective partition wall element (10, 10'), and wherein the at least one passage (11) has a cross-sectional area that is constant over its respective length, wherein a length (L20) of each connecting element (20) is overall greater than the length of the at least one passage (11), wherein a length (L21) of each connecting element (20) between the first end and the recess corresponds at most to the length (H10) of the at least one passage (11), so that a connecting element (20) arranged in the passage (11) of a respective partition wall element (10, 10') is substantially flush with the passage (11) at its first end, wherein a largest outer diameter of the connecting elements (20) is less than 5.0 mm smaller than the diameter of the passages (11) through the partition wall elements (10, 10'), wherein a height (H10) of the partition wall elements (10, 10') is between 15 cm and 150 cm; wherein a width (B10) of the partition wall elements (10, 10') is between 40 cm and 300 cm; and wherein a thickness (D10) of the partition wall elements (10, 10') is between 2 cm and 10 cm. [2] Modular partition wall (60, 601, 602, 603, 604, 605, 606) according to claim 1, wherein the length (L21) of each connecting element (20) between the first end and the recess is greater than or equal to the length of the respective internal thread (22). [3] Modular partition wall (60, 601, 602, 603, 604, 605, 606) according to claim 1 or 2, wherein the passages (11) of all partition wall elements (10, 10') have the same length (H10); and / or wherein all connecting elements (20) have the same length (L20). [4] Modular partition wall (60, 601, 602, 603, 604, 605, 606) according to claim 1, 2 or 3, wherein the connecting elements (20) have at least one tool engagement (24) adjacent to their first and / or second end. [5] Modular partition wall (60, 601, 602, 603, 604, 605, 606) according to one of claims 1 to 4, further comprising a plurality of washers (70) each having a centrally arranged hole, wherein the hole diameter of the washers (70) is less than 16 mm or less than 6 mm or less than 2 mm larger than the outer diameter of the external thread (23) of the connecting elements (20). [6] Modular partition wall (60, 601, 602, 603, 604, 605, 606) according to claim 5, wherein the outer diameter of the washers (70) is equal to the largest outer diameter of the connecting elements (20); or wherein the outer diameter of the washers (70) is between 0.2 mm and 80 mm or between 10 mm and 60 mm or between 20 mm and 40 mm larger than a largest outer diameter of the connecting elements (20). [7] Modular partition wall (60, 601, 602, 603, 604, 605, 606) according to claim 5 or 6, wherein the outer diameter of the washers (70) is equal to the diameter of the passages (11) through the partition wall elements (10, 10'); or wherein the outer diameter of the washers (70) is between 0.2 mm and 80 mm or between 10 mm and 60 mm or between 20 mm and 40 mm larger than the diameter of the passages (11) through the partition wall elements (10, 10'). [8] Modular partition wall (60, 601, 602, 603, 604, 605, 606) according to claim 5, 6 or 7, wherein the partition wall elements (10, 10') each have at least one marginal recess (12) which surrounds an outlet opening of the at least one passage (11) through the respective partition wall element (10, 10'), and wherein the recesses (12) are at least half as deep as the washers (70) are thick, or wherein the recesses (12) are as deep as the washers (70) are thick, or wherein the recesses (12) are deeper than the washers (70) are thick. [9] Modular partition wall (60, 601, 602, 603, 604, 605, 606) according to one of claims 1 to 8, wherein a largest outer diameter of the connecting elements (20) is less than 0.5 mm smaller than the diameter of the passages (11) through the partition wall elements (10, 10'), or is less than 1.0 mm smaller than the diameter of the passages (11) through the partition wall elements (10, 10'), or is less than 2.0 mm smaller than the diameter of the passages (11) through the partition wall elements (10, 10'). [10] Modular partition wall (60, 601, 602, 603, 604, 605, 606) according to one of claims 1 to 8, further comprising a plurality of adjustable feet (30; 40), wherein each of the adjustable feet (30; 40) has an external thread complementary to the internal thread (22) of the connecting elements (20), or an internal thread (32; 42) complementary to the external thread (23) of the connecting elements (20). [11] Modular partition wall (60, 601, 602, 603, 604, 605, 606) according to one of claims 1 to 10, further comprising a plurality of knurled screws (50), wherein the knurled screws (50) have an external thread (52) complementary to the internal thread (22) of the connecting elements (20), and wherein the outer diameter of the heads (51) of the knurled screws (50) is between 0.2 mm and 80 mm or between 10 mm and 60 mm or between 20 mm and 40 mm larger than the diameter of the passages (11) through the partition wall elements (10, 10'). [12] Modular partition wall (60, 601, 602, 603, 604, 605, 606) according to one of claims 1 to 10, further comprising a plurality of tubular end caps, wherein the end caps have an internal thread complementary to the external thread (23) of the connecting elements (20) at a first end and a knurled head at a second end opposite the first end, wherein an outer diameter of the end caps, with the exception of the knurled head, is less than or equal to the diameter of the passages (11) through the partition wall elements (10, 10'), and wherein the outer diameter of the knurled heads of the end caps is between 0.2 mm and 80 mm or between 10 mm and 60 mm or between 20 mm and 40 mm larger than the diameter of the passages (11) through the partition wall elements (10, 10'). [13] Modular partition wall (60, 601, 602, 603, 604, 605, 606) according to one of claims 1 to 12, wherein the connecting elements (20) and the passages (11) through the partition wall elements (10, 10') have a circular cross-section; or wherein the connecting elements (20) and the passages (11) through the partition wall elements (10, 10') have an oval cross-section; or wherein the connecting elements (20) and the passages (11) through the partition wall elements (10, 10') have a rectangular cross-section; or wherein the connecting elements (20) and the passages (11) through the partition wall elements (10, 10') have a square cross-section. [14] Modular partition wall (60, 601, 602, 603, 604, 605, 606) according to one of claims 1 to 13, wherein all partition wall elements have a weight of between 0.5 kg and 15 kg. [15] Modular partition wall (60, 601, 602, 603, 604, 605, 606) according to one of claims 1 to 14, wherein the partition wall elements (10, 10') have a sound absorption coefficient of between 0.8 and 1.0 or between 0.8 and 0.96 in the frequency range of 400 - 1000 Hz. [16] Modular partition wall (60, 601, 602, 603, 604, 605, 606) according to one of claims 1 to 15, wherein upper sides and lower sides of the partition wall elements (10, 10') have mutually complementary recesses and projections. [17] Method for erecting a modular partition wall (60, 601, 602, 603, 604, 605, 606) for indoor use according to one of claims 1 to 16, comprising: Providing a number of adjustable feet (30; 40), partition wall elements (10, 10'), connecting elements (20) and knurled screws (50) or end caps; Screwing together one adjustable foot (30; 40) and one connecting element (20); Arranging a first row of partition wall elements (10, 10') above the adjustable feet (30; 40), wherein the connecting elements (20) connected to the adjustable feet (30; 40) are passed through the passages (11) in the partition wall elements (10, 10'); Screwing a further connecting element (20) to the connecting elements (20) guided through the passages (11) in the partition wall elements (10, 10'); Arranging a further row of partition wall elements (10, 10') above the first row of partition wall elements (10, 10'), wherein the connecting elements (20) are passed through the passages (11) in the partition wall elements (10, 10'); Repeat the two previous steps until a desired height of the partition wall (60, 601, 602, 603, 604, 605, 606) is reached; and Screwing knurled screws (50) or end caps to the connecting elements (20) passing through the passages (11) in the uppermost partition wall elements (10, 10'). [18] Method according to claim 17, further comprising providing a number of washers (70), wherein in the step of screwing a respective further connecting element (20) to the connecting elements (20) guided through the passages (11) in the partition wall elements (10, 10'), at least one washer (70) is arranged between the connecting elements (20). [19] Use of a modular partition wall (60, 601, 602, 603, 604, 605, 606) according to one of claims 1 to 16 or of the partition wall (60, 601, 602, 603, 604, 605, 606) erected according to the method of claim 17 or 18 as a room divider and / or as a sound absorber in a building, in particular in an office space.

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