Installation element and installation system

Abstract

The invention relates to an installation element to be fixed in a cut-out in an item of furniture, in particular an item of sanitary furniture such as a kitchen cabinet base, comprising a fixing region for fixing the installation element in the cut-out on the item of furniture, an installation region for fixing at least one additional element and / or at least one expansion element, wherein, in at least one portion, in particular in the entire installation region, the installation region comprises cut-outs of a first type which are arranged in at least one, in particular in precisely one, specified grid.

Description

[0001] INSTALLATION ELEMENT AND INSTALLATION SYSTEM

[0002] The invention relates to an installation element for fixing in a recess of a piece of furniture, in particular a piece of sanitary furniture such as a kitchen base cabinet, comprising a fixing area for fixing the installation element in the recess on the piece of furniture and an installation area for fixing at least one additional element and / or at least one extension element.

[0003] The invention further relates to an additional element for fixing in the installation area of ​​an installation element.

[0004] The invention also relates to a connecting element for fixing an additional element in the installation area of ​​at least one installation element.

[0005] The invention further relates to an extension element for fixing in the installation area of ​​at least one installation element.

[0006] The present invention also relates to an installation system comprising at least one, in particular two, installation elements and at least one extension element.

[0007] Furthermore, the invention relates to a piece of furniture with an installation element and / or an installation system.

[0008] Although the present invention is generally applicable to any piece of furniture, the present invention will be explained with reference to a piece of sanitary furniture in the form of a kitchen base cabinet.

[0009] Kitchen base cabinets are typically used to accommodate various appliances, such as a waste separation system for a sink user, or possibly a water treatment system or the like. Since individual constraints such as the width, depth, and height of the kitchen base cabinet, which can also be changed by a user at short notice, often need to be taken into account, it has become common practice to attach the individual appliances directly to the base cabinet or its movable front, for example, to a door. The individual appliances have a wide variety of dimensions and are installed on-site by a fitter in a suitable position in the base cabinet, which requires an extremely high level of installation in terms of time and complexity.

[0010] In order to at least partially separate the piping of the sink from the other equipment to be arranged, it has become known from DE 103 17 071 A1 to provide a rectangular installation frame in the base cabinet, which is fixed in the base cabinet, comprising interconnected frame struts forming a substantially rectangular frame, auxiliary struts fastened to the frame and lying in the frame plane, angle valves fastened to an auxiliary strut with pressure-resistant connecting hoses for an over-sink outlet fitting and for connection to wall-side water inlet pipes, wherein the complete auxiliary installation frame can be used in the chamber of the base cabinet which is substantially open to the wall behind it and can be fastened to the floor and / or the side walls of the base cabinet, as well as a cover which covers the installation frame at the front and is detachably fastened to the installation frame.

[0011] The disadvantage of this is the resulting fixed position of the installation level. It is also extremely time-consuming to subsequently adjust the position of items attached to the installation frame, such as angle valves or the like. Another disadvantage is the difficulty in adjusting the position of the frame struts and auxiliary struts, as they are secured to each other or relative to each other using screws. This also makes crooked or tilted, thus making installation unreliable.

[0012] From DE 10 2020 118 714 A1, an installation frame for attaching distribution and supply components within a kitchen unit has become known, comprising a perforated mounting section having a vertical and substantially horizontally extending mounting plane for attaching the distribution and supply components to the installation frame, and two fastening means fixed to the mounting section, which are opposite one another at the front and each have a fastening section for attaching the installation frame within the unit, wherein the fastening sections extend from the front sides of the mounting section substantially parallel to one another perpendicularly away from the mounting plane, wherein the width of the installation frame is adjustable by lateral adjustment of the fastening means relative to the mounting section and is adaptable to different cabinet widths,wherein the fastening means each comprise at least two mounting rails which engage behind the mounting plane in parallel, and the mounting rails each comprise a plurality of horizontally spaced-apart bores which are aligned with complementary bores of a first hole pattern arranged in the mounting plane, so that the mounting rails are fastened to the mounting section via fixing means.

[0013] The disadvantage here, again, is the resulting fixed position of the installation level. It is also difficult to subsequently adjust the position of items fixed to the installation frame, such as valves or the like. Another disadvantage is the lack of adjustability of the position of the fasteners and their complex installation, as they are secured to each other or relative to each other using screws. Overall, the installation effort is very high and time-consuming.

[0014] An object of the present invention is therefore to provide an installation element, an additional element, a connecting element, an extension element, an installation system and a piece of furniture which enable simple, quick and flexible assembly, disassembly and reassembly of components while at the same time reliably fixing the components.

[0015] A further object of the present invention is to provide an alternative installation element, an alternative additional element, an alternative connecting element, an alternative extension element, an alternative installation system, and an alternative piece of furniture. In one embodiment, the present invention achieves the above-mentioned objects by means of an installation element for fastening in a recess of a piece of furniture, in particular a piece of sanitary furniture such as a kitchen base cabinet, comprising a fastening region for fastening the installation element in the recess on the piece of furniture, an installation region for fastening at least one additional element and / or at least one extension element, wherein the installation region has, in at least one partial region, in particular in the entire installation region, recesses of a first type which are arranged in at least one, in particular in exactly one, predetermined grid.

[0016] In one embodiment, the present invention achieves the above-mentioned objects by means of an additional element for fixing in the installation area of ​​an installation element according to one of claims 1-11, comprising at least one connecting element, which is connected in particular detachably to the additional element, for fixing the additional element in a recess of the installation element in a detachable manner.

[0017] In one embodiment, the present invention achieves the above-mentioned objects by a connecting element for the particularly releasable fixing of an additional element according to one of claims 12-15 in the installation area of ​​at least one installation element according to one of claims 1-11.

[0018] In one embodiment, the present invention achieves the above-mentioned objects by means of an extension element for the particularly releasable fixing in the installation area of ​​at least one installation element according to one of claims 1-11, preferably in two identical installation elements, comprising at least one connecting element according to one of claims 16-18 for the particularly releasable fixing of the extension element in one or more recesses of the installation element(s), wherein the extension element is designed in such a way that it has recesses corresponding to the recesses of the installation elements and a grid for the recesses in the extension element which continues the grid of the installation elements, wherein an additional element according to one of claims 12-15 can be at least partially fixed in the recesses of the extension element.In one embodiment, the present invention achieves the above-mentioned objects by an installation system comprising at least one, in particular two, installation elements according to one of claims 1-11 and at least one extension element according to claim 19 or 20 for the in particular releasable fixing in the installation area of ​​at least one installation element, preferably in both installation elements, at least one connecting element according to one of claims 16-18 for the in particular releasable fixing of the extension element and / or an additional element according to one of claims 12-15 in one or more recesses of the installation element(s) and / or the at least one extension element.

[0019] In one embodiment, the present invention achieves the above-mentioned objects by a piece of furniture with an installation element according to one of claims 1-11 and / or an installation system according to claim 21.

[0020] One of the advantages achieved is that the installation element or installation system allows a wide variety of components to be installed in the piece of furniture quickly, easily, and reliably. Another advantage is that the installation element and installation system are easy and cost-effective to manufacture and can be flexibly equipped with a wide variety of additional and extension elements. Another advantage is that assembly effort and costs are reduced.

[0021] Further features, advantages and further embodiments of the invention are described below or will become apparent thereby.

[0022] According to an advantageous development of the invention, the recesses have a symmetrical shape. This enables simple production.

[0023] According to a further advantageous development of the invention, the recesses are keyhole-shaped, in particular double-keyhole-shaped. This enables quick and easy positioning of additional and extension elements in the grid of recesses. According to a further advantageous development of the invention, the predetermined grid has rows of recesses, with at least two adjacent rows being offset from one another, in particular such that the distances between two adjacent recesses in a row and between two adjacent recesses perpendicular to the row are equal. The advantage of this is that an intermediate grid is provided, which enables more precise positioning of additional elements and / or extension elements in the installation area.

[0024] According to a further advantageous development of the invention, at least one stop is arranged in the recess of the piece of furniture for securing. The advantage of this is that it enables easier and faster correct positioning of the installation element in the recess of the piece of furniture.

[0025] According to a further advantageous development of the invention, the at least one stop is designed as a projection parallel to the plane of the installation area, in particular in the plane of the installation area. One of the possible advantages of this is that it provides a quick visual detection for an installer. The stop is also easy to manufacture.

[0026] According to a further advantageous development of the invention, the at least one stop is arranged in the fastening area. The advantage of an arrangement in the fastening area is that the stop is arranged "in front" of the installation area in the assembly direction from a front of the piece of furniture to a rear, so that when inserting the installation element from the front into the recess usually located at the rear of the piece of furniture, an installer can simply press the installation element, or more precisely its stop, against the edge of the recess in the piece of furniture from the front and then secure it. This eliminates the need to insert the installation element into the recess in the piece of furniture from the side and / or rear due to the limited space required. Overall, this reduces assembly time.

[0027] According to a further advantageous development of the invention, the fastening area and the installation area are arranged at a right angle to each other. In particular, the installation element is L-shaped in cross-section, preferably with the fastening area forming the shorter leg of the L-shape. The advantage of this is simple fastening of the installation element in the piece of furniture and the provision of an easily accessible installation area in the rear part of the piece of furniture.

[0028] According to a further advantageous development of the invention, the installation area has at least one opening in the grid, the diameter of which is at least twice the maximum extent of a recess. Alternatively or additionally, the respective cross-sectional area can be used instead of the diameter to determine the size of the opening. The advantage of this is that, for example, rectangular openings in particular allow the passage of plugs, cables, and / or hoses, for example, from a dishwasher or the like.

[0029] According to a further advantageous development of the invention, the installation element is designed to be mirror-symmetrical along an axis. One of the advantages achieved is that when two installation elements are used in an installation system on different vertical sides of the recess in the piece of furniture, they can be designed as identical parts. This allows manufacturing costs to be reduced.

[0030] According to a further advantageous development of the invention, at least one stiffening element is arranged, in particular on one end face of the installation element. This increases the overall stability of the installation element.

[0031] According to a further advantageous development of the invention, the additional element has at least one receiving device for receiving round and / or square objects. One of the possible advantages is the simple and reliable insertion and securing of round and / or square objects to an installation element using the additional element.

[0032] According to a further advantageous development of the invention, the receiving device is designed to provide a particularly detachable clip receptacle for receiving a hose or cable and / or a particularly detachable clamp for receiving a pipe. The advantage of this is a simple and particularly detachable fastening of pipes, hoses, and the like.

[0033] According to a further advantageous development of the invention, the receiving device comprises an expandable cover and / or a clamping device for receiving at least one object. This allows for a simple yet reliable arrangement of objects that do not provide a direct means of attachment to the installation element, such as a standard socket or the like. By means of a cover placed around the socket, similar to a smartphone protective case, the socket can then also be secured to the installation element.

[0034] According to a further advantageous development of the invention, the connecting element is connected to the installation element or the additional element as a single piece. By forming the connecting element directly on the installation, additional, and / or extension element, the number of components required for assembly can be reduced. At the same time, the assembly effort is reduced.

[0035] According to a further advantageous development of the invention, the connecting element has two projections, in particular two opposing ones. The advantage of this is a simple yet reliable fastening. The projections can be semicircular.

[0036] According to a further advantageous development of the invention, the extension element is designed in several parts, and the parts can be secured to one another, in particular releasably. This improves the flexibility with regard to the design, extension, etc. of the extension element.

[0037] According to a further advantageous development of the invention, the installation system comprises at least one additional element according to one of claims 12-15 for attachment to the extension element and / or to the installation element. The advantage of this is a particularly flexible possibility for positioning the additional element on an installation element or on an installation element and an extension element.

[0038] According to a further advantageous development of the invention, at least one, in particular all, of the installation elements and extension elements are made of sheet metal and / or plastic. The advantage of this is cost-effective production while maintaining sufficient stability.

[0039] In a further embodiment, a prefabricated built-in unit for fixing in a cupboard, in particular a kitchen base cupboard or the like, is provided, comprising a frame device, wherein the frame device is at least U-shaped in cross section with a base and two side walls, and wherein at least one vertical dividing element is arranged between the two side walls and the base for horizontal division into at least a first, in particular left, and a second, in particular right, receiving area for pre-installed user installation units, and at least one horizontal dividing element for vertical division into at least an upper and a lower receiving area, and wherein at least one electrical device is arranged in the lower receiving area, and wherein at least one storage device is arranged on two vertical sections of a side wall and / or a vertical dividing element.

[0040] In a further embodiment, a system for securing a cabinet, in particular a kitchen base cabinet or the like, is provided, comprising a prefabricated built-in unit that can be secured to the cabinet and a mounting device that can be secured to the cabinet, and wherein the built-in unit can be arranged at least partially in a form-fitting manner on the mounting device. In a further embodiment, a cabinet, in particular a kitchen base cabinet, is provided, comprising a prefabricated built-in unit and / or a system that is inserted into and secured therein.

[0041] The term “vertical divider” includes not only dividers that – when viewed from the front onto the pre-assembled installation unit – enable a division into a left and right receiving area, but also a division into a front and rear receiving area.

[0042] The term "prefabricated" is to be understood in the broadest sense and refers, particularly in the claims and preferably in the description, to a built-in unit in which the storage device and the electrical equipment are initially installed by a manufacturer, and then, at the customer's site, the built-in unit is installed entirely in a cabinet, such as a sanitary cabinet, by a technician. In particular, the storage device and the electrical equipment in the built-in unit are not installed on-site at the customer's site. In particular, the term "prefabricated" also refers to an electrical device that is not arranged in a separate housing within the prefabricated built-in unit, but rather the housing is formed by the separating elements and side walls of the prefabricated built-in unit.

[0043] According to an advantageous further development, several storage devices are arranged.

[0044] According to a further advantageous development, the plurality of storage devices are arranged in the lower storage area.

[0045] According to a further advantageous development, at least one, in particular exactly one, of the plurality of storage devices is arranged in the upper storage area.

[0046] According to a further advantageous development, at least one of the storage devices is arranged in a fixed and / or extendable manner. According to a further advantageous development, the installation unit is designed to slope downwards at least partially along the side walls.

[0047] According to a further advantageous development, at least one bevel is provided, which extends in particular perpendicular to the side surfaces and / or base. A bevel here refers not only to a 90-degree edge, but also to a fold, which corresponds to a 180-degree bend. Furthermore, other edge angles and geometries are also possible.

[0048] According to a further advantageous development, a carrying device is arranged.

[0049] According to a further advantageous development, the carrying device is integrated into the side walls and / or into a horizontal and / or vertical separating element.

[0050] According to a further advantageous development, the carrying device is arranged to be at least partially detachable.

[0051] According to a further advantageous development, the carrying device is adjustable in at least one plane, in particular in two planes.

[0052] According to a further advantageous development, a particularly slot-shaped recess is arranged in at least one side wall and / or at least one vertical separating element, which corresponds to an installation area of ​​a pull-out element for a storage device.

[0053] According to a further advantageous development, the at least one pull-out element can be fixed by means of a screw connection.

[0054] According to a further advantageous development, at least one fastening device for a cover of at least part of the installation unit can be secured to the at least one pull-out element and / or to an element of the storage device. According to a further advantageous development, the electrical device is designed as a water treatment device and / or a computer.

[0055] According to a further advantageous development, at least one fixing element of a fixing device is arranged for fixing the installation unit in the cabinet.

[0056] According to a further advantageous development, at least one spacer element, in particular a spacer covering element, is arranged.

[0057] According to a further advantageous development, one or more steps are arranged in the rear area, which in particular have one or more openings.

[0058] In a further embodiment, a mounting device for connecting a pull-out device to a cover element of a piece of furniture, in particular a piece of sanitary furniture, is provided, comprising a mounting plate with two opposite surfaces, comprising a first surface and an opposite second surface, wherein in the fixed state of the mounting plate, the first surface is connected to the cover element and the second surface is connected to the pull-out device, wherein the first surface has at least one, in particular flat, fixing area, and wherein the second surface has at least two fixing elements arranged protruding from the second surface, wherein at least two of the fixing elements are horizontally and / or vertically offset from one another in the mounted state of the mounting plate, in particular on horizontally different sides of the second surface,are arranged and wherein the at least two fixing elements are formed integrally with the mounting plate and wherein the mounting plate has at least one bore on different sides.,

[0059] In a further embodiment, a cover system is provided, comprising a cover element and a mounting device that can be secured to the cover element. In a further embodiment, a pull-out system is provided, comprising a pull-out device, a device arranged in the pull-out device, and a mounting device. The fastening elements of the mounting plate and the pull-out device are designed such that the fastening elements and / or hooks can be releasably connected to the pull-out device and / or to the device.

[0060] In a further embodiment, a system for arrangement in and / or on a piece of furniture, in particular a piece of sanitary furniture, is provided, comprising a cover element, a mounting device that can be fixed to the cover element, and a pull-out device, comprising a pull-out and a device arranged in the pull-out, wherein the fixing elements of the mounting plate and the pull-out device are designed such that the fixing elements and / or hooks can be detachably connected to the pull-out and / or to the device.

[0061] In a further embodiment, a piece of furniture, in particular a sanitary piece of furniture, is provided with a system.

[0062] According to an advantageous development, the first surface in the fastening area can be bonded to the cover element. Additionally, it is possible to provide screw connections, which further increases the reliability of the fastening of the mounting plate and the cover element.

[0063] According to a further advantageous development, a plurality of bores are arranged to provide a screw connection, which are regularly distributed, in particular at least partially, in a grid.

[0064] According to a further advantageous development, the fixing elements are arranged on the mounting plate.

[0065] According to a further advantageous development, at least one fixing element has a base with two projections, in particular wherein at least one projection is hook-shaped and / or at least one projection has an oblique profile relative to the second surface.

[0066] According to a further advantageous development, at least one bore, in particular several bores, are arranged on the base.

[0067] According to a further advantageous development, at least one projection has a passage which is in particular angular.

[0068] According to a further advantageous development, the mounting plate has at least one hook, in particular U-shaped, which is arranged in particular in an opening of the mounting plate.

[0069] According to a further advantageous development, at least one fixing element is plate-shaped, in particular square, and has a connecting device for connection to the pull-out device.

[0070] According to a further advantageous development, the connecting device is designed to provide a positive and / or frictional connection, in particular in the form of a screw and / or clip connection.

[0071] According to a further advantageous development, one or more holders for releasably securing objects, in particular kitchen utensils, and / or one or more shelves are arranged. For example, hooks for tea towels or shelves for dishwashing liquid, soap, sponges, or the like can be arranged directly on the mounting plate, for example, if the latter extends over the entire cover element except for one or more narrow edges. The mounting plate and / or the holders can be magnetic.

[0072] According to a further advantageous development, the mounting plate has at least one reinforcement profile, in particular on at least two opposite sides. According to a further advantageous development, a positioning device is arranged on the mounting plate.

[0073] According to a further advantageous development, the positioning device is designed for applying or applying a marking, preferably wherein the positioning device has at least one slot, at least one recess and / or at least one projection in the plane of the mounting plate.

[0074] According to a further advantageous development, the cover element has at least two areas of different stability and the mounting plate can be fixed in such a way that it can be fixed in the area of ​​higher stability and at least partially covers the area of ​​lower stability.

[0075] According to a further advantageous development of the cover element, the mounting plate has a reinforcing profile, in particular in the form of an edge, at least partially in the region of lower stability of the cover element.

[0076] According to a further advantageous development of the cover element, the mounting plate extends substantially completely over at least one extent of the cover element. For example, the mounting plate can thus extend across the entire width of the cover element.

[0077] According to a further advantageous development, the cover element has a recess in which the mounting plate is arranged, in particular flush with the surface.

[0078] According to a further advantageous development of the invention, the cover element and the mounting plate are fixed to one another by means of a screw and / or adhesive connection.

[0079] Further important features and advantages of the invention emerge from the dependent claims, the drawings, and the associated description of the figures with reference to the drawings. It is understood that the features mentioned above and those to be explained below can be used not only in the respective combinations specified, but also in other combinations or on their own, without departing from the scope of the present invention.

[0080] Preferred embodiments and embodiments of the present invention are illustrated in the drawings and are explained in more detail in the following description, wherein the same reference numerals refer to the same or similar or functionally identical components or elements.

[0081] It shows in schematic form

[0082] Figure 1 shows a piece of furniture with an installation system according to an embodiment of the present invention;

[0083] Figure 2 shows the piece of furniture in Figure 1 in detail and in front view with additional elements;

[0084] Figure 3 shows an installation system according to an embodiment of the present invention;

[0085] Figure 4 shows an additional element attached to an extension element of an installation system according to an embodiment of the present invention;

[0086] Figure 5 shows in cross section a connecting element according to an embodiment of the present invention;

[0087] Figure 6 shows a three-dimensional view of a connecting element according to an embodiment of the present invention;

[0088] Figure ? a pre-assembled installation unit in a three-dimensional view obliquely from the front; Figure 8 a section of a pre-assembled installation unit in a three-dimensional view obliquely from the front;

[0089] Figure 9 shows a pull-out rail for a drawer of a prefabricated built-in unit in three-dimensional view;

[0090] Figure 10 shows a part of a pre-assembled installation unit in a three-dimensional view obliquely from the rear;

[0091] Figure 11 shows a piece of furniture with a system for arrangement in and / or on a piece of furniture;

[0092] Figure 12 shows a section of a mounting plate;

[0093] Figure 13 shows a section of a mounting plate;

[0094] Figure 14 a mounting plate;

[0095] Figure 15 a mounting plate; and

[0096] Figure 16 a mounting plate.

[0097] Figure 1 shows a piece of furniture with an installation system according to an embodiment of the present invention and Figure 2 shows the piece of furniture of Figure 1 in detail and in front view with additional elements.

[0098] Figure 1 shows the rear view of a piece of furniture in the form of a kitchen base cabinet 2. In the base cabinet 2 there is a recess or opening 3, which is usually used to connect a sink to hot and cold water connections in a house wall. In the recess 3, two identically designed installation elements 1 are arranged laterally on the left and right, from which two cross members 7a, 7b extend, arranged at different (vertical) heights, which are connected at the ends to the two installation elements 1. However, the installation elements 1 can also be arranged at the top and / or bottom of the recess 3 of the piece of furniture, as required. The installation elements 1 each have mirror symmetry along an axis 17, which is horizontal here.

[0099] An installation element 1, as shown in Figure 1, has a substantially L-shaped cross-section. The shorter leg is formed by a fixing area 4 (see Figure 2), the longer leg by an installation area 5. Protrusions 14 are arranged in the extension of the installation area 5 in its extension plane and serve as stops for the correct positioning of the installation element 1 in the recess 3 of the base cabinet 2. The installation element 1 is usually mounted from the front. For this purpose, the installation element 1 is inserted into the opening 3 and the stops 14 are pushed laterally between the house wall (not shown) and the rear wall 25 of the base cabinet 2. The fixing area 4 is then pressed against the inner wall 26 of the base cabinet 2 and fixed there, for example by screwing, gluing, clipping or the like.

[0100] The installation element 1 has, in its installation area 5, a grid 10 with several rows 11 (see Figure 2) of double-keyhole-shaped cutouts 9 over the entire area or surface 8. Adjacent rows 11a, 11b of cutouts 9 are offset by half a, here vertical, distance 12 between two cutouts 9 of a row 11a. The horizontal distance 13 between two cutouts 9, 9a at the same horizontal height in the rows 11a, 11c corresponds to the vertical distance 12. The installation element 1 thus has a hole grid whose spacing is selected such that a fixed grid dimension is achieved in the vertical and horizontal directions according to Figure 1. In addition, the offset by half the spacing of the grid 10 in the horizontal and vertical directions results in an intermediate grid, which enables finer positioning and fastening of additional elements on the installation element 1.The same grid dimension is used for the cross members 7a, 7b. Overall, the grid 10 is selected such that, when the cross member 7a, 7b is releasably attached, in particular suspended, to the two installation elements 1, it continues horizontally and vertically beyond the respective cross member 7a, 7b. The recesses 9 of the cross members 7a, 7b are keyhole-shaped. The cross members 7a, 7b each exhibit mirror symmetry along a vertical axis 17a.

[0101] A rounded, substantially rectangular opening 16 is arranged in the center of each installation area 5. This opening 16 has a cross-sectional area significantly larger than the cross-sectional area of ​​the recesses 9, in particular more than twice as large, and serves to pass through hoses, cables, or the like.

[0102] In Figure 1, the two installation elements 1 are designed as identical parts. In a further embodiment not shown here, these installation elements 1 can also differ in terms of their width, i.e., their horizontal extent. For example, one installation element 1 can have fewer rows 11 than the other installation element 1. In particular, one installation element 1 can have only one row 11, while the other installation element can have at least four rows 11, in particular six rows 11. A possible cross member 7a, 7b between the two installation elements 1 is then designed to be correspondingly longer.

[0103] Figure 2 also shows different additional elements 6a, 6b. The additional element 6a is suspended with its rear wall using a connecting element (not shown here) in at least one recess 9 of the cross member 7a or the installation element 1, as shown in Figure 2, and is additionally secured there if necessary. The additional element 6a is designed to guide cables, which can be fixed to the respective additional element 6a by clamping. The additional element 6b is suspended with its rear wall using a connecting element (not shown here) in at least one recess 9 of the cross member 7a, as shown in Figure 2, and is additionally secured there if necessary. The additional element 6b comprises a clamp 20 for securing pipes 21 such as drain pipes or the like.

[0104] Figure 3 shows an installation system according to an embodiment of the present invention.

[0105] Figure 3 essentially shows an installation system 100 according to Figures 1 and 2. In contrast to the installation system 100 according to Figures 1 and 2, the installation system 100 according to Figure 3 does not have an opening 16 in the respective installation element 1. The laterally projecting projections 14 are also missing. Instead, the installation elements 1 of Figure 3 now have vertical projections 15 arranged on the fastening area 4. These projections are arranged in a plane in front of the plane of the installation area 5 and enable the installation element 1 to be mounted directly from the front into the recess 3 of the base cabinet 2 by means of the stops on a front side of the rear wall of the base cabinet 2. In addition, the fastening area 4 and the installation area 5 are additionally connected to one another at the end faces via stiffeners 19.Furthermore, the cross members 7a, 7b are higher or wider, thus having more rows of recesses 9 and, in the embodiment of Figure 3, are mirror-symmetrical not only along a vertical axis 17a, but also with respect to a horizontal axis 17b.

[0106] Figure 4 shows an additional element attached to an extension element of an installation system according to an embodiment of the present invention.

[0107] Figure 4 shows an additional element 6 having a clamping device 20 for receiving a hose 22. The clamping device 20 is made of plastic and comprises a round base 20a and two substantially U-shaped clamps 20b, between which the hose 22 is pressed and then releasably secured by frictional engagement.

[0108] Figure 5 shows a cross-section of a connecting element according to an embodiment of the present invention. Figure 5 shows a connecting element 18 in the form of a two-part rivet head screw 23 with parts 23a, 23b, which can be connected separately to the installation element 1, the cross member 7a, 7b, and / or the additional element 6, 6a, 6b. The rivet head screw 23 is fastened to the additional element 6, for example, by means of the screw 23b, so that the head 23a projects rearward. This head 23a can then engage in a recess 9 of the installation element 1 or one of the cross members 7a, 7b and, for example, accordingly secure an additional element connected to the rivet head screw 23.

[0109] Figure 6 shows a three-dimensional view of a connecting element according to an embodiment of the present invention.

[0110] Figure 6 shows an additional element 6a, which has two projections 27a, 27b bent in opposite directions. These projections can be produced by stamping. The projections 27a, 27b engage in the recesses 9, which here are keyhole-shaped, for example, and, by clamping the wings 27a, 27b in the recess 9, secure the additional element 6a to the installation element 1, as shown in Figure 6, or to a cross member.

[0111] Figure 7 shows a pre-assembled installation unit in a three-dimensional view obliquely from the front.

[0112] Figure 7 shows a prefabricated installation unit 1A. This comprises a substantially U-shaped frame 2A with a base 2aA and two sides 2bA, 2cA as well as a vertical partition 3A and a horizontal partition 4A, both in the form of a sheet metal. Overall, the two partitions essentially form a "T", with the vertical partition 3A being fixed to the base 2aA and the underside of the horizontal partition 4A. The horizontal partition 4A is fixed to the two side walls 2bA, 2cA on their inner sides. The two side walls 2bA, 2cA protrude upwards over the horizontal partition 4A, resulting in an upper receiving area 5cA and a lower receiving area 5dA, the latter being divided by the vertical partition 3A into a left receiving area 5aA and a right receiving area 5bA.In the right-hand receiving area 5bA, a water treatment device 6A is arranged, in the left-hand receiving area 5aA, a pull-out 7A for a pull-out waste container 8A arranged therein is arranged and above it a pull-out drawer 9A.

[0113] On the pull-out 7A—alternatively or additionally on the drawer 9A—a receiving device 17A—here multi-part with a hook-in opening on the left and right—can be provided on the front side, to which a cover such as a kitchen front or the like can be secured, in particular hooked. If the kitchen front is moved, the waste bin 8A is opened simultaneously.

[0114] For example, a fixed shelf can be arranged in the upper receiving area 5cA and fixed to the two projecting side walls 2bA, 2cA, for example by means of a clip connection.

[0115] In the upper area of ​​the side walls 2bA, 2cA, which are designed to slope downwards in the rear area (top right in Figure 7) (bottom right in Figure 7, reference numeral 13A), a carrying unit 10A is arranged in the front area of ​​the side walls 2bA, 2cA, comprising horizontal rows of holes formed in a grid 11aA, into which a corresponding U- and L-shaped carrying handle 11bA for carrying the pre-assembled installation unit 1A can be removably hooked by an on-site fitter. Furthermore, a bevel 12A in the form of a 90-degree bend is arranged outwards on the front edge of the side walls 2bA, 2cA and the base 2aA. On the one hand, this can serve as a stop when inserting the installation unit 1A from the front, and on the other hand, it can be used to cover any gaps.Furthermore, drill holes 14A can also be arranged, particularly in a grid, on the side walls 2bA, 2cA in order to be able to secure the side walls 2bA, 2cA and thus the built-in element 1A in a cabinet by means of screws. In one embodiment, the entire carrying unit 10A with a carrying handle can also be arranged entirely within the side walls 2bA, 2cA, which allows for simplified handling. The 90-degree bend can also be omitted. Alternatively, a 180-degree bend can be provided to form a rebate, which on the one hand improves stability and on the other hand can provide coverage for a narrow free space.

[0116] On the outer side of the side walls 2bA, 2cA and / or the floor 2aA as well as on elements or components built into the installation unit 1A, for example on the shelf, spacer elements 16A, for example in the form of felt strips or the like, or compensating panels or the like can be arranged in order to provide, for example, a gap cover or the like.

[0117] The prefabricated installation unit 1A can be supplemented with a mounting frame 15A, which interacts at least partially with the prefabricated installation unit 1A in a form-fitting manner, in particular resting against it. Pipes 21A for wastewater or the like can be attached to the mounting frame 15A, which is arranged in the rear area 18A of the prefabricated installation unit 1A. The prefabricated installation unit 1A can also be used without the mounting frame 15A.

[0118] Figure 8 shows a section of a pre-assembled installation unit in a three-dimensional view obliquely from the front.

[0119] Figure 8 essentially shows a built-in unit 1A according to Figure 1. In contrast to the built-in unit 1A according to Figure 7, the built-in unit 1A according to Figure 8 now has two additional drawers 9bA, 9cA in the lower receiving area 5dA in the left receiving area 5aA instead of the pull-out drawer 7A with waste bin 8A, so that a total of three drawers 9aA, 9bA, 9cA are arranged one above the other in the left receiving area 5aA. Furthermore, a drawer 9A extending across the entire width is arranged in the upper receiving area 5cA. On the front side of the lowest drawer 9cA, a receiving device 17A - here multi-part with a receiving plate 17A on the left and right - can be provided, to which a cover such as a kitchen front or the like can be attached. If the kitchen front is moved, the lowest drawer 9cA is pulled out at the same time.Further, in contrast to Figure 7, the installation unit 1A according to Figure 8 now features a computer 6A instead of the water treatment unit. Overall, the prefabricated installation unit 1A can then be installed in office cabinets or the like.

[0120] Figure 9 shows a pull-out rail for a drawer of a prefabricated built-in unit in three-dimensional view.

[0121] Figure 9 shows a pull-out rail 30A for a drawer, in particular for a drawer 9A according to Figure 7 and / or one of the drawers 9A, 9aA, 9bA, 9cA according to Figure 8. The pull-out rail 30A has a front and a rear bracket 31A, 32A, with which the rail can be secured to the side walls 2bA, 2cA of the built-in unit 1A and / or a vertical partition wall 3A by means of a screw connection. For this purpose, corresponding hole patterns 36A are provided in the brackets 31A, 32A, each of which has a substantially L-shaped cross-section. In addition, the pull-out rail 30A has a movable rail 33A, on which, in particular, an adapter 34A, preferably made of plastic, is arranged. Via this adapter, a drawer can be detachably connected to the pull-out rail 30A. The front bracket 31A is, as already explained, L-shaped, as is the rear bracket 32A.However, the rear bracket 32A has a bevel 35A so that its two legs form an angle other than 90 degrees to each other in a section of the leg, thus providing a horizontal offset 37A.

[0122] Figure 10 shows part of a pre-assembled installation unit in a three-dimensional view obliquely from behind.

[0123] Figure 10 essentially shows a section of the rear of the built-in unit 1A in the lower area. The built-in unit 1A has several steps 19aA, 19bA, so that horizontal sections and vertical sections alternate. Small electrical devices, cable guides, or the like can be arranged in the horizontal sections. For example, in Figure 10, a pull-out support system 22A is arranged on the vertically lowest step 19aA. This system is triggered when the waste bin 8A is slightly pressed towards the pull-out support system 22A and then pushes the waste bin 8A forward in the opposite direction by means of a rotatable arm 23A. In this way, no handles are necessary, for example, on a kitchen front if this is connected to the waste bin 8A and / or its pull-out 7A. As an alternative to the waste bin 8A, another pull-out element such as a drawer can also be arranged.When the drawer is lightly pressed toward the pull-out support system 22A, the latter is triggered, and the pull-out support system 22A then pushes the drawer forward in the opposite direction by means of the rotatable arm 23A. The power supply required for the pull-out support system 22A can then be provided, for example, by attaching a socket to the mounting frame 15A.

[0124] The vertical sections may have an opening 20A as shown in Figure 10, which allows access to installed components of the installation unit 1A.

[0125] In a further embodiment not shown, the horizontal partition wall 4A in the rear area 18A may not be flat, but rather with an additional step in the vertical direction upwards. This allows for improved accessibility in the rear area 18A. At the same time, the stability of the installation unit 1A can also be improved.

[0126] Figure 11 shows a piece of furniture with a system for arrangement in and / or on a piece of furniture, Figure 12 shows a section of a mounting plate and Figure 13 shows a section of a mounting plate.

[0127] Figure 11 shows a piece of furniture 4B in which a pull-out system 2B is arranged. The pull-out system 2B comprises an extendable U-shaped frame 2aB in which a waste system 2bB with a suspension frame 2cB for a removable trash can 2dB is arranged. Furthermore, a cover 3B in the form of a kitchen front is shown for the pull-out system 2B, which is detachably connected to the pull-out system 2B via a mounting plate 5B. The mounting plate 5B comprises two surfaces 5aB, 5bB, with a first surface 5aB serving for connection to the cover 3B, and the second surface 5bB serving for connection to the pull-out system 2B.

[0128] For this purpose, the mounting plate 5B has a flat, planar fixing region 6B on the first surface 5aB. In addition, a plurality of drill holes 8B are arranged in the mounting plate 5B, for example in a grid pattern, circumferentially around an edge of the mounting plate 5B, in particular on its top side 50cB, bottom side 50bB and on the left and right sides 50aB, 50bB and / or regularly distributed on the mounting plate 5B. Alternatively or additionally, the mounting plate 5B can also be glued to the cover element 3B, in which case the drill holes 8B can then be omitted entirely or at least partially. By means of the drill holes 8, a screw connection for fixing the mounting plate 5B to the cover element 3B can then be provided.

[0129] On the second surface 5bB, the mounting plate 5B has several, here four, fixing elements 7aB, 7bB, 7cB, 7dB, with two of the fixing elements 7aB, 7bB and 7cB, 7dB being of the same type 7B, 7'B. Two of the four fixing elements 7aB, 7cB and 7bB, 7dB are arranged on the left and right sides 50aB, 50bB of the mounting plate 5B, respectively.

[0130] Figure 12 now shows the fastening elements 7B, 7'B of different types. In Figure 12, on the left, the fastening element 7'B has a partially rounded, substantially rectangular base 70'B. Two bores 73'B are arranged on the base 70'B, between which an L- or U-shaped hook 7TB is arranged. The fastening element 7B also comprises a partially rounded, substantially rectangular base 70B. Three bores 73B are arranged on the base 70B, with a projection 71B running obliquely to the base 70B being arranged between two of the bores 73B. On the opposite side of the base 70B, a projection 72B is also arranged, running obliquely to the base 70B, which has substantially the same width as the base 70B and a square passage 74B.In Figure 13, in the upper region 50cB of the mounting plate 5B, in addition to lateral bores or through holes 8B, two L- or I-shaped hooks 9B are made from the material of the mounting plate 5B, so that an opening 10B is provided by the formation of the respective hook 9B.

[0131] Furthermore, in an embodiment not shown here, the mounting plate 5B can be provided with one or more reinforcement profiles. A reinforcement profile can be provided, for example, by at least partially folding the mounting plate 5B or the like.

[0132] The fixing elements 7B, 7'B and 7aB-7dB serve to fix the mounting plate 5B to the frame 2aB of the pull-out system 2B, whereas the hooks 9B serve to connect the mounting plate 5B and the suspension frame 2cB of the waste system 2bB.

[0133] Figure 14 shows a mounting plate.

[0134] Figure 14 shows a mounting plate 5B having holes 8B in its respective corner regions. Furthermore, two fixing plates 7"B are arranged with the mounting plate 5B, each of which has a connecting element 11B in the form of a cylindrical projection in its center for providing a clip connection with the suspension frame 2cB of the waste system 2bB. This then has corresponding receptacles for receiving the connecting elements 11B and for fixing them to the suspension frame 2cB. The fixing plates 7"B are essentially square and have reinforcing profiles 12B, 12'B both diagonally and circumferentially on the outer edge.

[0135] Figure 15 shows a mounting plate.

[0136] Figure 15 essentially shows a mounting plate 5B according to Figure 11. In contrast to the mounting plate 5B according to Figure 11, the mounting plate 5B extends essentially over the entire width (in Figure 15 from left to right in the plane of the drawing) of the cover element 3B shown. The cover element 3B according to Figure 15, in contrast to the cover element 3B according to Figure 11, is constructed in several parts with a frame 3bB which has a circumferential cover 3aB on its outside, for example made of glass or stainless steel or the like. In addition, the cover element 3B has a so-called inner lining 3cB on the inside, which is not completely covered or overlain by the frame 3bB.

[0137] Since the mounting plate 5B extends essentially across the entire width (in Figure 15 from left to right in the plane of the drawing) of the cover element 3B, it also spans part of the inner lining 3cB. To increase stability, one or more reinforcing profiles can be arranged or formed on the mounting plate 5B, for example, in the form of a bevel 13B in the upper region 50cB of the mounting plate 5B.

[0138] In general, the mounting plate 5B can also be provided with at least one vertical slot 14aB and / or at least one horizontal slot 14bB. The slots serve to simplify installation by an on-site technician. In other words, they serve as a marking aid.

[0139] In one embodiment of the present invention, a method is provided for fixing a mounting plate 5B comprising at least one slot 14aB, 14bB, wherein the mounting plate 5B is placed flush in a corner of a cover element 3B, then the position of the mounting plate 5B on the cover element 3B is fixed by marking based on the at least one slot 14aB, 14bB, in particular wherein the marking is carried out by means of a pin guided in the at least one slot 14aB, 14bB, and the mounting plate 5B is then positioned, in particular displaced, on the cover element 3B such that an edge of the mounting plate 5B is congruent with the at least one marked position.

[0140] A slot 14aB, 14bB can, for example, have a length between 1 mm and 100 mm, preferably between 5 mm and 50 mm, and a width between 0.5 mm and 5 mm, preferably between 1 mm and 3 mm. The slots 14aB, 14bB shown in Figure 15 are not drawn to scale and, in particular, are not arranged in Figure 15 in such a way that they are suitable for positioning the mounting plate 5B shown in Figure 15 on the cover element 3B.

[0141] Figure 16 shows a mounting plate.

[0142] Figure 16 essentially shows a mounting plate 5B according to Figures 11-13. In contrast to the mounting plates 5B of Figures 11-13, the mounting plate 5B according to Figure 16 now has two rectangular recesses 15aB on its left side 50aB in the plane of the mounting plate 5B. Alternatively or additionally, instead of recesses 15aB, projections 15bB can also be arranged on the mounting plate 5B in the plane of the mounting plate 5B. In the mounting plate 5B shown in Figure 16, the projections 15bB are arranged on the underside of the mounting plate 5B. Like the slots 14aB, 14bB of the mounting plate 5B of Figure 15, the recesses 15aB and projections 15bB serve to enable simplified assembly by a fitter on site by using them as a marking aid. Analogous to the method for fixing a mounting plate 5B according to Figure 15, the fixing of the mounting plate 5B according to Figure 16 is carried out essentially in the same way:

[0143] In one embodiment, a method is provided for fixing a mounting plate 5B comprising at least one recess 15aB and / or a projection 15bB in the plane of the mounting plate 5B, wherein the mounting plate 5B is placed flush in at least one corner of a cover element 3B, then the position of the mounting plate 5B on the cover element 3B is fixed by marking based on the at least one recess 15aB and / or the at least one projection 15bB, in particular wherein the marking is carried out by means of a pin guided in the at least one recess 15aB and / or on an edge of the mounting plate 5B outside the projection 15bB, and the mounting plate 5B is then positioned, in particular displaced, on the cover element 3B such that an edge of the mounting plate 5B and / or a projection 15bB is congruent with the at least one marked position.In general, the slots 14aB, 14bB shown in Figure 15, the recesses 15aB shown in Figure 16 and the projections 15bB can be combined with each other as desired.

[0144] The recesses 15aB and the projections 15bB can each have a length between 1 mm and 100 mm, preferably between 5 mm and 50 mm.

[0145] In summary, at least one of the embodiments of the invention has at least one of the following advantages and / or provides at least one of the following features:

[0146] - Installation system with two installation elements and at least one cross member, wherein the side parts can be fixed to a side wall of a cabinet.

[0147] - For easier positioning and to avoid collisions with cabinetry, the installation element includes a laterally protruding stop that determines the position of the side panel on the rear end of the cabinet side panel. The installation element rests primarily vertically on the cabinet base. Alternatively, it can be supported on the so-called crossbar.

[0148] - Thanks to its easy positioning in all three axes, the installation element replaces drilling templates and eliminates the need for time-consuming measuring of drilling / screwing positions.

[0149] - The installation element features a hole pattern. The hole pattern spacing is selected to create a fixed grid dimension in the vertical and horizontal directions. In addition, the offset of half the grid spacing in the horizontal and vertical directions creates an intermediate grid, which allows for more precise positioning of objects on the installation element.

[0150] - The hole pattern is also designed so that, when the crossbar is hooked into the installation elements, it continues horizontally and vertically across the crossbar. - Simply installing an installation element provides a significant advantage with regard to installation and cable routing in the kitchen base cabinet.

[0151] - Furthermore, the installation element has rectangular recesses, for example, which allow the passage of plugs, cables and hoses, for example from dishwashers.

[0152] - The truss extends the mounting level horizontally. The truss is hooked into the existing hole pattern of the installation elements, for example. The truss can be mounted at the desired height depending on the on-site conditions.

[0153] - The installation level created by assembling the installation system serves to accommodate objects, assemblies, and / or assembly aids. This significantly simplifies the problem of routing cables / hoses. Specially designed plastic components such as clips or adapter plates, which can be individually attached to the installation element, simplify the routing of lines, cables, etc.

[0154] - The contours of the grid holes are keyhole-shaped (crossbar) or double keyhole-shaped (installation element). The special contours of the holes allow for quick positioning and attachment of T-shaped "pins."

[0155] - For larger wall distances, i.e., the distance between the back of the cabinet and the wall or between cabinets for a kitchen island, it is also possible to equip the installation system with components, etc., on the back or both sides. This can double the installation area.

[0156] Although the present invention has been described using preferred embodiments, it is not limited thereto, but can be modified in many ways. Reference numerals list

[0157] 1 installation element

[0158] 2 base cabinets

[0159] 3 recess

[0160] 4 Determination area

[0161] 5 Installation area

[0162] 6, 6a, 6b Additional element

[0163] 7, 7a, 7b Extension element / T reverse

[0164] 8 Total area

[0165] 9, 9a recesses

[0166] 10 grids, 11a, 11b, 11c row

[0167] 12, 13 Vertical / horizontal distance recess

[0168] 14, 15 stop

[0169] 16 Opening

[0170] 17, 17a, 17b axis of symmetry

[0171] 18 Connecting element

[0172] 19 Stiffening element

[0173] 20 Clamping device 20a Base 20b Clamp

[0174] 21 pipe

[0175] 22 hose

[0176] 23 rivet head screw

[0177] 23a, 23b parts rivet head screw

[0178] 25 Rear wall base cabinet

[0179] 26 Interior wall base cabinet

[0180] 27a, 27b Wing 100 installation system

[0181] 1A Installation unit 2A Frame assembly 2aA Floor

[0182] 2bA side wall

[0183] 2cA side wall

[0184] 3A Vertical partition wall

[0185] 4A Horizontal partition wall

[0186] 5aA Left recording area

[0187] 5bA Right recording area

[0188] 5cA Upper recording area

[0189] 5dA Lower recording area

[0190] 6A Water treatment device / computer

[0191] 7A Extract

[0192] 8A Waste container A, 9aA, 9bA, 9cA Drawer 10A Carrying unit 11aA Hole pattern 11bA Carrying handle 12A Folded edge 13A Waste side panel 14A Drill hole 15A Mounting frame 16A Spacer element 17A Receptacle 18A Rear area 19aA, 19bA Step

[0193] 20A opening 21A pipe

[0194] 22A pull-out support

[0195] 23A Arm

[0196] 30A pull-out rail

[0197] 31 A Front bracket

[0198] 32A Rear bracket

[0199] 33A Movable rail

[0200] 34A adapter

[0201] 35A chamfer rear bracket 36A hole pattern

[0202] 37A Horizontal offset

[0203] 1 B Mounting device 2B Pull-out system 2aB Frame 2bB Waste system 2cB Hanging frame 2dB Waste bin

[0204] 3B Cover element 3aB Outer cover 3bB Frame 3cB Inner lining

[0205] 4B Furniture 5B Mounting plate

[0206] 5aB, 5bB First / second surface 6B Fixing area B, 7'B, 7aB, 7bB, 7cB, 7dB Fixing element 7"B Fixing plate

[0207] 8B borehole 9B hook

[0208] 10B Opening 11 B Connecting element

[0209] 12B, 12'B reinforcement profile 13B edging

[0210] 14aB, 14bB Vertical / horizontal slot 15aB, 15bB Recess, projection 50aB, 50bB Left / right side mounting plate 50cB, 50dB Top-Z-bottom mounting plate 70B, 70'B Base fixing element 71B, 72B Projection fixing element 71'B Hook fixing element 73B, 73'B Hole fixing element 74B Passage fixing element

Claims

Claims 1 . Installation element (1) for fastening in a recess (3) of a piece of furniture (2), in particular a piece of sanitary furniture such as a kitchen base cabinet, comprising a fastening area (4) for fastening the installation element (1) in the recess (3) on the piece of furniture (2), an installation area (5) for fastening at least one additional element (6) and / or at least one extension element (7), wherein the installation area (5) has, in at least one partial area (8), in particular in the entire installation area (5), recesses (9) of a first type which are arranged in at least one, in particular in exactly one, predetermined grid (10).

2. Installation element (1) according to claim 1, characterized in that the recesses (9) have a symmetrical shape.

3. Installation element (1) according to claim 1 or 2, characterized in that the recesses (9) are keyhole-shaped, in particular double keyhole-shaped.

4. Installation element (1) according to one of claims 1-3, characterized in that the predetermined grid (10) has rows (11) of recesses (9), wherein at least two adjacent rows (11a, 11b) are offset from one another, in particular in such a way that the distances (12) between two adjacent recesses (9) of a row (11a) and between two adjacent recesses (9, 9a) perpendicular to the row (11a, 11c) are equal.

5. Installation element (1) according to one of claims 1-4, characterized in that at least one stop (14, 15) is arranged for fixing in the recess (3) of the piece of furniture (2).

6. Installation element (1) according to claim 5, characterized in that the at least one stop (14, 15) is designed as a projection parallel to the plane of the installation area (5), in particular in the plane of the installation area (5).

7. Installation element (1) according to one of claims 5 or 6, characterized in that the at least one stop (15) is arranged on the fixing area (4).

8. Installation element (1) according to one of claims 1 - 7, characterized in that the fixing area (4) and the installation area (5) are arranged at a right angle to one another, in particular the installation element (1) is L-shaped in cross section, preferably wherein the fixing area (4) forms the shorter leg of the L-shape.

9. Installation element (1) according to one of claims 1 - 8, characterized in that the installation area (5) has at least one opening (16) in the grid (10), the diameter of which is at least twice as large as the maximum extension of a recess (9).

10. Installation element (1) according to one of claims 1-9, characterized in that the installation element (1) is formed mirror-symmetrically along an axis (17).

11. Installation element (1) according to one of claims 1-10, characterized in that at least one stiffening element (19) is arranged, in particular on an end face of the installation element (1).

12. Additional element (6) for fixing in the installation area (5) of an installation element (1) according to one of claims 1 - 11, comprising at least one connecting element (18) which is connected in particular detachably to the additional element (6) for fixing the additional element (6) in a recess (9) of the installation element (1) in a detachable manner.

13. Additional element (6) according to claim 12, characterized in that the additional element (6) has at least one receiving device (20) for receiving round and / or square objects (21).

14. Additional element (6) according to claim 13, characterized in that the receiving device (20) is designed to provide a particularly detachable clip receptacle for receiving a hose (22) or cable and / or a particularly detachable clamp for receiving a pipe (21).

15. Additional element (6) according to one of claims 13-14, characterized in that the receiving device (20) has an expandable sleeve and / or a clamping device for receiving at least one object (21).

16. Connecting element (23, 27a, 27b) for the in particular releasable fixing of an additional element (6) according to one of claims 12-15 in the installation area (5) of at least one installation element (1) according to one of claims 1-11.

17. Connecting element (23, 27a, 27b) according to claim 16, characterized in that the connecting element (23, 27a, 27b) is connected in one piece to the installation element (1) or the additional element (6).

18. Connecting element (23, 27a, 27b) according to claim 17, characterized in that the connecting element (23, 27a, 27b) has two, in particular oppositely formed, projections (27a, 27b).

19. Extension element (7) for the particularly releasable fixing in the installation area (5) of at least one installation element (1) according to one of claims 1-11, preferably in two identical installation elements (1), comprising at least one connecting element (23) according to one of claims 16-18 for the particularly releasable fixing of the extension element (7) in one or more recesses (9) of the installation element(s) (1), wherein the extension element (7) is designed in such a way that it has recesses (9) according to the recesses (9) of the installation elements (1) and a grid (10) the installation elements (1) has a grid (10) for the recesses (9) in the extension element (7), wherein an additional element (6) according to one of claims 12-15 can be at least partially fixed in the recesses (9) of the extension element (7).

20. Extension element (7) according to claim 19, wherein the extension element (7) is formed in several parts and the parts can be fixed to one another, in particular releasably.

21. Installation system (100) comprising at least one, in particular two, installation elements (1) according to one of claims 1-11 and at least one extension element (7) according to claim 19 or 20 for the in particular releasable fixing in the installation area (5) of at least one installation element (1), preferably in both installation elements (1), at least one connecting element (23) according to one of claims 16-18 for the in particular releasable fixing of the extension element (7) and / or an additional element (6) according to one of claims 12-15 in one or more recesses (9) of the installation element(s) (1) and / or the at least one extension element (7).

22. Installation system (100) according to claim 21, characterized in that the installation system (100) has at least one additional element (6) according to one of claims 12-15 for fixing to the extension element (7) and / or to the installation element (1).

23. Installation system (100) according to claim 22, characterized in that at least one, in particular all, installation elements (1) and extension elements (7) are made of sheet metal and / or plastic.

24. Piece of furniture (2) with an installation element (1) according to one of claims 1-11 and / or an installation system (100) according to claim 21.

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