Device for protecting a sanitary ceramic piping and mounting frame for a sanitary ceramic using such a device

Abstract

The present invention relates to a construction protection device (14) for at least one pipe to be connected to a sanitary ware, preferably for a flushing pipe and / or a drain pipe, comprising a sealing element (14.1, 14.2) associated with the pipe and a housing wall (14.3) connected to the sealing element (14.1, 14.2). According to the invention, the housing wall (14.3) is provided on its front or inner side with at least one electrical accessory and / or at least one water connection. This creates a construction protection device that offers simplified access to the electrical and / or water connection for the sanitary ware in the event of maintenance work, particularly servicing and / or repair work.In particular, the invention relates to a mounting frame for sanitary ceramics with such a construction protection device.

Description

[0001] The invention relates to a construction protection device for at least one pipe to be connected to a sanitary ceramic, preferably a toilet ceramic, preferably for a flushing pipe to be connected to the sanitary ceramic and / or for a drain pipe to be connected to the sanitary ceramic, with a sealing element associated with the pipe and a housing wall connected to the sealing element.

[0002] In particular, the invention relates to a mounting frame for sanitary ceramics, preferably WC ceramics, with a flushing pipe to be connected to the sanitary ceramics, which is connected, for example, to a drain opening of a concealed cistern, a drain pipe to be connected to a wastewater drain opening of the sanitary ceramics and a construction protection device of the type mentioned above.

[0003] It is known to install a concealed cistern for a toilet or urinal using a mounting frame. The mounting frame is typically positioned and fixed in front of a wall or in a wall recess. The mounting frame – also called a pre-wall element – ​​has vertical uprights connected by horizontal crossbars, with the concealed cistern attached to these uprights. After all necessary water supply and drainage pipes have been installed, the mounting frame is usually covered with one or more plasterboard panels and then finished with a wall covering, such as tiles. Threaded rods, projecting forward from the wall covering, are mounted on one of the crossbars of the mounting frame or, if applicable, on vertical supports connected to the crossbars. Sanitary ware, such as a toilet or urinal, is then attached to these threaded rods.a toilet bowl can be attached and fastened to the fixed mounting frame using nuts.

[0004] To prevent the ingress of building materials, especially tile adhesive and grout, or other foreign materials into the flushing pipe and the drain pipe during the construction phase, protective plugs are usually inserted into the outlet or inlet of these pipes. These plugs are removed from the pipes shortly before the sanitary ware is installed and disposed of later.

[0005] The outlet of the flushing pipe and the inlet of the drain pipe are equipped with internally mounted ring seals to prevent leakage of flushing water flowing into the sanitary ware or of wastewater flowing from the sanitary ware into the drain pipe. Nevertheless, such leaks can sometimes occur in practice, for example, if one of these ring seals is damaged by the ingress of building materials or is unintentionally damaged during the installation of the sanitary ware.

[0006] A leak in the area of ​​the ring seal between the flush pipe bend and the flush pipe connection of the sanitary ware, or between the outlet bend and the outlet connection of the sanitary ware, is often not detected or only detected late, when the leaking water can penetrate directly into the wall cavity. Such a leak, if not detected or detected late, leads to significant property damage.

[0007] Furthermore, concealed cisterns are known to have an electrical connection. This electrical connection is, for example, assigned to an actuator for triggering a flush valve, an actuator for extending and retracting a shower arm, an actuator for triggering a shower water valve in a shower toilet, or a heating device for heating the shower water. The problem is that such an electrical connection must be designed to allow for maintenance and repairs through additional on-site measures.

[0008] The invention was based on the objective of creating a device that offers simplified accessibility to an electrical connection and / or a water connection for sanitary ceramics in the event of revision work, in particular maintenance and / or repair work.

[0009] This problem is solved by a construction safety device with the features specified in claim 1. According to the invention, the housing wall of the construction safety device is provided on its front or inner side with at least one electrical accessory and / or with at least one water connection. Advantageous embodiments of the invention can be found in the dependent claims.

[0010] The construction protection device according to the invention provides the at least one electrical accessory and / or the at least one water connection with a defined mounting position that is easily accessible in the event of revision.

[0011] The at least one electrical accessory is, for example, a power connection and / or an electrical power supply.

[0012] An advantageous embodiment of the invention provides that the housing wall of the construction safety device has at least one mounting bracket for the positive-locking and / or force-locking positioning of the at least one electrical accessory and / or the water connection. Such a bracket allows the electrical accessory or the water connection to be conveniently and precisely mounted on the construction safety device. Preferably, the at least one mounting bracket has at least one locking element, for example a locking lug, and / or at least one hook or bracket. A mounting bracket designed in this way enables quick and easy positioning and mounting of the at least one electrical accessory or a water connection on the construction safety device.

[0013] A further advantageous embodiment of the invention is characterized in that the housing wall is a rear wall connected to a side wall, preferably a circumferential side wall. The side wall, particularly when designed as a circumferential wall, protects the electrical accessory and / or the water connection from mechanical damage. Furthermore, the side wall, for example, if it is essentially U-shaped or designed as a circumferential wall, can also serve to direct any leakage water that may occur at the pipe connected to the sanitary ware, for example, at the connection between the sanitary ware and the drain pipe, to the front of the wall on which the sanitary ware is located, so that the leakage water can escape or become visible at the front of the wall.This allows such leaks to be detected early and moisture damage to be avoided or at least minimized. The building protection device according to the invention can also be referred to as a secondary seal.

[0014] The side wall is preferably formed or connected to the housing wall (rear wall) in one piece, i.e., as a single unit. The housing wall (rear wall) can define a plane from which the side wall projects forward, for example, at a substantially right angle. The housing wall (rear wall) and the side wall, for example, define a shell- or box-shaped housing.

[0015] According to a further embodiment of the invention, the housing wall of the construction protection device has a recess on the electrical accessory for the passage of a power cable and / or a recess on the at least one water connection for the passage of a water pipe. The pre-made recess (through-opening) allows the electrical accessory to be connected to a power supply quickly and easily. Similarly, the water connection can be connected to a water supply line quickly and easily via its associated pre-made recess (through-opening).

[0016] A further advantageous embodiment of the construction protection device according to the invention is characterized in that an arc-shaped conduit section for receiving a cable, preferably a water cable and / or an electrical cable, is arranged on the rear wall. The arc-shaped conduit section can also be referred to as an insertion aid for a water cable and / or an electrical cable. Due to the arc-shaped conduit section, the construction protection device according to the invention facilitates the insertion or arrangement of one of the aforementioned cables, for example, a water cable that is connected to a shower unit of a shower toilet. For this purpose, the arc-shaped conduit section can be formed integrally with the rear wall or attached to the rear wall as a separately manufactured pipe section, for example, by a material-fit, form-fit, and / or force-fit connection.

[0017] Preferably, the at least one sealing element of the construction protection device according to the invention is a first sealing element associated with the flushing pipe, and a second sealing element associated with the drain pipe, wherein the first and second sealing elements are connected to each other by the housing wall. This design contributes to good dimensional stability of the construction protection device. At the same time, the construction protection device thus designed offers sufficient space, despite its relatively compact dimensions, for easily accessible positioning of the at least one electrical accessory or the at least one water connection during maintenance. Preferably, the at least one electrical accessory and / or the at least one water connection are arranged between the first and second sealing elements.Thus, the space available between the two sealing elements is used for the defined arrangement of the at least one accessory component or the water connection. The construction protection device according to the invention can therefore be realized with relatively compact dimensions.

[0018] The at least one sealing element, the housing wall (back wall) and / or the side wall are preferably made of plastic.

[0019] A further advantageous embodiment of the invention is characterized in that the respective sealing element of the construction protection device is designed in the form of an axially open pipe stub. This allows the construction protection device to be easily and positively connected to the pipe(s) to be connected to the sanitary ceramic in a simple manner. In particular, this provides a structurally advantageous way to leave the construction protection device permanently attached to the pipe(s) to be sealed, thus eliminating the need to dispose of the construction protection device, as is usual with conventional plastic plugs used as construction protection after the construction phase.

[0020] In a further embodiment, the construction protection device according to the invention has at least one removable or detachable protective cover that covers the sealing element and is arranged at least partially in front of the front or rear wall of the housing. The protective cover ensures that, when the sealing element associated with the pipeline is designed as an axially open pipe stub, no construction material such as tile adhesive or plaster mortar enters the pipeline during the construction phase. The protective cover is preferably bonded to the wall of the construction protection device by a material-bonded and / or form-fit connection. For example, the protective cover can be designed as a film or thin plate that is, for instance, bonded or welded to the front edge of the preferably circumferential wall.Alternatively, the protective cover can be designed as a separately manufactured lid that fits snugly around the wall or engages snugly within the cavity defined by the wall. This allows for a cost-effective and reliable connection between the wall and the protective cover. The wall corresponds to, or can be described as, an inspection shaft wall.

[0021] As mentioned above, the protective construction device according to the invention can also be referred to as a secondary seal. It remains in place after the optional protective cover has been removed or detached, i.e., without the protective cover, and after the sanitary ware has been connected to the flushing line and the drain pipe, thus serving as a secondary seal.

[0022] In a further embodiment of the construction protection device according to the invention, the protective cover is positioned on a front edge of the wall, preferably on the front of the surrounding wall. For example, the protective cover defines the front of the construction protection device according to the invention or is essentially flush with the front edge of the surrounding wall. This embodiment is advantageous for easily attaching the protective cover to the surrounding wall. Likewise, this embodiment is advantageous for removing or separating the protective cover from the wall.

[0023] A further advantageous embodiment of the building protection device according to the invention is characterized in that the wall (inspection shaft wall) has a plurality of mutually parallel, preferably substantially circumferential, grooves on its outer surface. This allows the wall to be conveniently shortened in a cutting plane, if necessary, in order to adapt the depth or axial, substantially horizontal length of the wall flush with the outer surface (front) of a wall covering arranged in front of the concealed cistern and the cladding. The respective groove can be used as a guide for a cutting tool, for example, a knife. Preferably, the wall between the grooves has a significantly smaller thickness than at the respective groove, so that the cutting force required to shorten the wall is relatively low.

[0024] According to a further embodiment of the invention, the sealing element projects with a collar-shaped section towards the protective cover opposite the housing wall. This embodiment improves the sealing effect of the construction protection device, since any leakage water escaping from the aforementioned pipe area is more reliably directed by the collar-shaped section to the front of the room wall where the sanitary ware is located.

[0025] A further advantageous embodiment of the invention provides that the respective sealing element terminates at a distance from the protective cover. Preferably, the distance to the protective cover is dimensioned such that the sealing element, which is designed in the form of an open pipe stub, does not itself need to be shortened when the side wall (inspection shaft wall) is cut to ensure a flush fit with the front of a wall covering arranged in front of a concealed cistern and the cladding. This minimizes cutting effort and saves material.

[0026] An optimized sealing effect of the building protection device according to the invention can be achieved by further embedding the sealing element with a radially inwardly projecting seal, preferably a ring seal. This seal closes an annular gap between the first or second sealing element and the associated flushing pipe or drain pipe, so that any leakage water that may escape there can flow not into, but essentially only in front of, the wall (room wall). This seal can be integrally formed on the first or second sealing element or manufactured separately, for example as a ring seal made of elastomer.

[0027] The problem underlying the invention, as stated above, is further solved by a mounting frame for sanitary ceramics, in particular WC ceramics, which is equipped with a flushing pipe to be connected to the sanitary ceramics, a drain pipe to be connected to a wastewater drain opening of the sanitary ceramics and a construction protection device according to the invention, wherein the construction protection device can preferably be designed according to one of the embodiments stated above, and wherein the flushing pipe is preferably connected to a drain opening of a concealed cistern.

[0028] With regard to a reliable drainage of leakage water escaping in the area of ​​the seal between the flushing pipe and the flushing pipe connection of the sanitary ceramic towards the outside of a pre-wall having the mounting frame, it is advantageous if, according to a preferred embodiment of the mounting frame, the first sealing element, designed in the form of an open pipe stub, axially overlaps the flushing pipe on its outer circumference by a length of at least 15 mm, preferably at least 20 mm.

[0029] Accordingly, a further advantageous embodiment of the mounting frame provides that the second sealing element, designed in the form of an open pipe stub, axially overlaps the drain pipe at its outer circumference by a length of at least 15 mm, preferably at least 20 mm. This allows leakage water, which may escape in the area of ​​the seal between the drain pipe and the drain pipe connection of the sanitary ware, to be reliably directed towards the outside of a wall supporting the mounting frame.

[0030] The invention will now be explained in more detail with reference to a drawing illustrating an exemplary embodiment. The drawing shows: Fig. 1 shows a section of a mounting frame for sanitary ware, preferably toilet ware, with a construction protection device according to the invention, which has a removable or detachable protective cover, in a perspective view; Fig. 2 shows the section of the mounting frame with the construction protection device according to the invention. Fig. 1 without protective cover, in a corresponding perspective view; and Fig. 3 a section of the mounting frame with the construction protection device according to the invention without protective cover, in a front view.

[0031] The drawing shows a section of a mounting frame for sanitary ware, preferably a toilet bowl. The mounting frame is composed of vertical uprights 1, 2 and horizontal crossbeams 3, 4 connecting them. The uprights 1, 2 and crossbeams 3, 4 are made of metal profiles, in particular hollow profiles, and are connected to each other by means of welded or bolted connections.

[0032] For example, the lower crossbeam 4 and a vertically spaced middle crossbeam 3 are welded at their ends to vertically extending metal profiles 1.1, 2.1, preferably angle or L-profiles. The unit formed from the two crossbeams 3, 4 and the metal profiles 1.1, 2.1 connected to them is vertically displaceable along the uprights 1, 2, wherein the metal profiles 1.1, 1.2 have through holes for receiving screws 5, which are inserted into the hollow uprights via vertical slots and screwed to counterparts (not shown) that have a corresponding threaded bore and are arranged to be vertically displaceable in the uprights 1, 2.

[0033] A concealed cistern (not shown) is located in the upper part of the mounting frame and is attached to the uprights 1 and 2. A flush pipe 6, which is to be connected to a sanitary ceramic fixture, is connected to an opening in the bottom of the cistern.

[0034] The central crossbar 3 of the mounting frame has mounting holes on which threaded sleeves 7 are mounted for securing threaded rods (not shown). The sanitary ware, e.g., a toilet bowl, is screwed onto the threaded rods 7 in a manner known per se and fastened to the mounting frame, which is fixed to a wall, by means of nuts. Furthermore, a flush pipe bend of the flushing pipe 6 is held on the crossbar 3. Preferably, the crossbar 3 has a through-opening located substantially in the center, in which a connecting end 6.1 of the flush pipe bend is arranged. The connecting end 6.1 has an annular bead on its inner side, into which a sealing ring (O-ring) 8 made of elastomer is inserted. The sanitary ware has a pipe stub associated with the flush pipe bend of the flushing pipe 6, which is inserted into the connecting end 6.1. Preferably, the connecting end 6.1 of the flushing pipe 6 opposite the front of the traverse 3 forwards.

[0035] A drain pipe bend 9 – also called a branch bend – of a drain pipe is held on the lower crossbeam 4. For this purpose, a holder 10 is mounted on the crossbeam 4, which has a substantially U-shaped receiving part 10.1 into which the connecting end 9.1 of the drain pipe bend 9 can be positively inserted. Furthermore, the holder 10 includes a U-shaped clamp 10.2, which can be detachably connected to the receiving part 10.1. The clamp 10.2 has two spring-elastic legs 10.21, 10.22, which are connected to each other by a central section. The legs 10.21, 10.22 have locking elements, such as hooks or locking lugs, arranged on their inner sides at their ends, which correspond to projections or undercut shoulders formed on the outer sides of the receiving part 10.1. The central section of the clamp 10.2 preferably has an arc-shaped section which, in the assembled state of the drain pipe bend 9, is positively engaged with the upper side of the pipe bend circumference.

[0036] The connection end 9.1 of the drain pipe bend 9 also has an annular bead on its inner side, into which a sealing ring (O-ring) 12 made of elastomer is inserted. The sanitary ware has a pipe stub associated with the drain pipe bend 9, which is inserted into the connection end 9.1. Preferably, the connection end 9.1 of the drain pipe bend projects forward relative to the front of the lower cross member 4 and relative to the front of the middle cross member 3.

[0037] The connection end 6.1 of the flushing pipe bend and the connection end 9.1 of the drain pipe bend 9 are provided with a construction protection device 14. The construction protection device 14 serves, in particular, to prevent the ingress of construction materials, e.g., tile adhesive, grout, and / or interior plaster, into the flushing pipe 6 and the drain pipe bend 9 during the construction phase. For this purpose, the construction protection device 14 has a first sealing element 14.1 associated with the flushing pipe 6 and a second sealing element 14.2 associated with the drain pipe bend 9. The two sealing elements 14.1 and 14.2 are connected to each other via a back wall 14.3. Preferably, the sealing elements 14.1 and 14.2 are formed in one piece, i.e., integrally with the back wall 14.3. Furthermore, the construction protection device 14 has a wall 14.4 which is connected to the rear wall 14.3. The wall 14.4 is preferably designed as a substantially circumferential wall.It is also within the scope of the invention that the wall 14.4 has one or more recesses. The rear wall 14.3 defines a plane from which the wall 14.4 projects forward at a substantially right angle. The rear wall 14.3 and the wall 14.4 define a shell- or box-shaped housing. Furthermore, the construction protection device 14 has a removable or detachable protective cover 14.5, which covers the sealing elements 14.1, 14.2 and is arranged in front of the front of the rear wall 14.3. The protective cover 14.5 is preferably made of a plastic film or a waterproof sheet, in particular a thin plastic sheet. It is positively and / or materially bonded to the wall 14.4, preferably to its front edge 14.41, and can be detached from the wall 14.4, for example, by means of a knife. The protective cover 14.5 can also be referred to as a protective lid.

[0038] The depth of the housing or wall 14.4, i.e., the distance from the front edge 14.41 of the wall to the front of the rear wall 14.3, is, for example, in the range of 40 mm to 100 mm. On its outer surface, the wall 14.4 has a multitude of mutually parallel, essentially circumferential grooves 14.42. The grooves 14.42 can be used as a guide for a knife or other cutting tool when the wall 14.4 is to be flush-mounted in a vertical cutting plane against the outer surface (front) of a wall covering arranged in front of the concealed cistern and a paneling.

[0039] The sealing elements 14.1, 14.2 are designed in the form of axially open pipe stubs. They are designed such that, in the assembled state of the construction protection device 14, they overlap the outer connection end 6.1 of the flushing pipe bend of the flushing pipe 6 and the outer connection end 9.1 of the drain pipe bend 9. For example, the open pipe stubs are dimensioned axially such that the respective sealing element 14.1, 14.2 overlaps the associated connection end 6.1, 9.1 of the pipes by a length of at least 15 mm, preferably at least 20 mm, on their outer circumference.

[0040] The external axial overlap of the connection ends 6.1, 9.1 of the pipes (6, 9) by the sealing elements 14.1, 14.2, which are designed in the form of open pipe sockets, in conjunction with the shell or box shape of the construction protection device 14, directs any leakage water that may escape in the area of ​​the sealing ring 8 between the flushing pipe 6 and the flushing pipe connection of the sanitary ware, or in the area of ​​the sealing ring 12 between the drain pipe bend 9 and the drain socket of the sanitary ware, towards the outer wall connection surface of the sanitary ware. This allows any leakage to be detected early and any damage caused by the leakage to be minimized or ideally prevented.

[0041] As can be seen in the drawing, the sealing elements 14.1, 14.2 each project with a collar-shaped section 14.11, 14.21 towards the rear wall 14.3 in the direction of the front edge 14.41 of the wall or towards the protective cover 14.5. The collar-shaped sections 14.11, 14.21 are dimensioned such that the sealing elements 14.1, 14.2 terminate at a distance from the protective cover 14.5 or the front edge 14.41 of the wall.

[0042] The sealing elements 14.1, 14.2, designed in the form of open pipe stubs, can axially overlap the connection ends 6.1, 9.1 of the flushing pipe 6 and the drain pipe bend 9 with minimal radial clearance. In addition, the sealing elements 14.1, 14.2 can optionally also have radially inwardly projecting seals (not shown), preferably ring seals, which, in the assembled state of the construction protection device 14, bear in a sealing contact with the outer surfaces of the flushing pipe 6 and the drain pipe bend 9.

[0043] Furthermore, the rear wall 14.3 of the construction protection device 14 has brackets 16, 17, 18 for the positive locking and / or force locking positioning of accessories, in particular electrical accessories.

[0044] In the illustrated embodiment, such holders 16, 17, 18 are provided for a positive-locking and / or force-locking positioning of a water connection 19 for a shower toilet, a power connection 20, and an electrical power supply 21. The holders 16, 17, 18 are arranged between the upper and lower sealing elements 14.1, 14.2 and have locking elements, for example, locking lugs.

[0045] The power supply 21 is, for example, positively engaged in a holder 18 in the form of a recessed area in the rear wall 14.3. The recessed area 18 is bounded by a rearwardly projecting wall. On the inside of opposing side sections of the preferably U-shaped wall, projections 18.1 are formed, which define the vertical position of the power supply 21 in the holder 18. The horizontal position of the power supply 21 is defined by a rear stop element 18.2 and a front locking projection 18.3. A gap 22 is provided between the top of the power supply 21 inserted into the holder 18 and the upper edge of the holder 18, which is intended, for example, for the passage of a power cable and / or for cooling purposes.

[0046] Furthermore, the rear panel 14.3 has a recess at each of the supports 16, 17 for the passage of a water pipe or an electrical cable. Preferably, at least one curved conduit section 14.6 is arranged on the rear panel 14.3 for accommodating a supply line, in particular a water pipe or electrical cable. The curved conduit section 14.6 arranged on the rear of the rear panel 14.3 facilitates the insertion of a water pipe that runs from the cistern to the water connection for a shower toilet.

[0047] The implementation of the invention is not limited to the embodiment shown in the drawing. Rather, numerous variants are conceivable, which also make use of the invention specified in the accompanying claims, even with a design that differs from the example shown.

Claims

1. Construction protection device (14) for a flushing pipe to be connected to the sanitary ceramic and / or for a drain pipe to be connected to the sanitary ceramic, - with a first sealing element (14.1) associated with the flushing pipe and - with a housing wall (14.3) connected to the first sealing element (14.1), - wherein a second sealing element (14.2) is provided, which is associated with the drain pipe, - wherein the first sealing element (14.1) and the second sealing element (14.2) are connected to each other by the housing wall, and - wherein the housing wall is a rear wall (14.3) which is connected to a side wall (14.4), - wherein the construction protection device has at least one removable or detachable protective cover (14.5) which covers the respective sealing element (14.1, 14.2) and is arranged at least partially in front of the front of the rear wall (14.3), and - where the housing wall (14.3) has at least one recess on its front or inside for the passage of a power line and / or at least one recess for the passage of a water line.

2. Construction protection device according to claim 1, characterized by the fact that the housing wall (14.3) has at least one support (16, 17, 18) for the positive locking and / or force locking positioning of the at least one electrical accessory and / or the water connection (19).

3. Construction protection device according to claim 2, characterized by the fact that which has at least one holder (16, 17, 18) comprising at least one locking element, in particular a locking lug, and / or at least one hook or bracket.

4. Construction protection device according to one of claims 1 to 3, characterized by the fact that the housing wall (14.3) is provided on its front or inside with at least one electrical accessory and / or with at least one water connection.

5. Construction protection device according to claim 4, characterized by the fact thatthat at least one electrical accessory is a power connection (20) and / or an electrical power supply (21).

6. Construction protection device according to one of claims 1 to 5, characterized by the fact that An arc-shaped empty conduit section (14.6) for receiving a line, preferably a water line and / or a power line, is arranged on the housing wall (14.3).

7. Construction protection device according to one of claims 1 to 6, characterized by the fact that the sealing element (14.1) is assigned as a first sealing element (14.1) of the flushing pipe, wherein a second sealing element (14.2) is present which is assigned to the drain pipe, and wherein the first sealing element (14.1) and the second sealing element (14.2) are connected to each other by the housing wall (14.3).

8. Construction protection device according to claim 4 or 5 in conjunction with claim 7, characterized by the fact thatthat at least one electrical accessory and / or at least one water connection is arranged between the first sealing element (14.1) and the second sealing element (14.2).

9. Construction protection device according to one of claims 1 to 8, characterized by the fact that the respective sealing element (14.1, 14.2) is designed in the form of an axially open pipe stub.

10. Construction protection device according to one of claims 1 to 9, characterized by the fact that The protective cover (14.5) is connected to the wall (14.4) in a material-bonded and / or form-fit manner.

11. Construction protection device according to one of claims 1 to 10, characterized by the fact that the sealing element (14.1, 14.2) protrudes with a collar-shaped section (14.11, 14.21) towards the housing wall (14.3) and the protective cover (14.5).

12. Construction protection device according to one of claims 1 to 11, characterized by the fact thatthe sealing element (14.1, 14.2) has a radially inwardly projecting seal, preferably a ring seal.

13. Mounting frame for a sanitary ceramic, preferably a toilet ceramic, with a flushing pipe (6) to be connected to the sanitary ceramic, which is preferably connected to a drain opening of a concealed cistern, and with a drain pipe (9) to be connected to a wastewater drain opening of the sanitary ceramic, characterized by a construction protection device (14) according to one of claims 1 to 12.

14. Mounting frame according to claim 13, characterized by the fact that The sealing element (14.1, 14.2), which is designed in the form of an open pipe stub, overlaps the flushing pipe (6) or the drain pipe (9) axially by a length of at least 15 mm, preferably at least 20 mm, on its outer circumference.

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