Structural protection device for pipes to be connected to sanitary ware and mounting frame for sanitary ware with such a structural protection device

Description

[0001] The invention relates to a construction protection device for a flush pipe to be connected to a sanitary ceramic, preferably a toilet ceramic, and for a drain pipe to be connected to the sanitary ceramic, with a first sealing element assigned to the flush pipe, a second sealing element assigned to the drain pipe, a rear wall connecting the first sealing element and the second sealing element to one another and a wall, preferably a circumferential wall, connected to the rear wall, wherein the wall connected to the rear wall is formed or connected to the rear wall in one piece or by a material fit, and wherein the first sealing element, the second sealing element, the rear wall and the wall are made of plastic.

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

[0003] It is known to install a sanitary concealed cistern for a toilet or urinal using a mounting frame. For this purpose, the mounting frame is usually positioned and fixed in front of a wall or in a wall niche. The mounting frame - also called a pre-wall element - has vertical posts that are connected to one another by horizontal cross members, with the concealed cistern being attached to the posts. After all the necessary water supply and drainage pipes have been installed, the mounting frame is usually covered with one or more plasterboard panels and then provided with a wall covering, e.g., tiles. Threaded rods that project forwards opposite the wall covering are mounted on one of the cross members of the mounting frame or, if necessary, on vertical supports connected to the cross members.a toilet ceramic, can be plugged in and fastened to the fixed mounting frame using nuts.

[0004] In order to prevent the ingress of building materials, in particular tile adhesive and joint filler material, or other foreign material into the flush pipe and the drain pipe during the construction phase, construction protection plugs are usually inserted into the outlet or inlet of these pipes, which are removed from the pipes shortly before the installation of the sanitary ceramics and later disposed of.

[0005] The outlet of the flush pipe and the inlet of the drain pipe are fitted with internally arranged ring seals to prevent leakage of flush water flowing into the sanitary ware or wastewater flowing from the sanitary ware into the drain pipe. However, such leaks can occasionally occur in practice, for example, if one of the said ring seals is damaged by the penetration of building material or is accidentally damaged during installation of the sanitary ware.

[0006] Leakage in the area of the ring seal between the flush pipe bend and the flush pipe socket of the sanitary ware, or between the outlet bend and the outlet socket of the sanitary ware, is often not detected or is only detected late, when the leaking water can penetrate directly into the pre-wall. Such undetected or late-detected leaks lead to significant property damage.

[0007] Concealed cisterns are also known that feature an electrical connection. The electrical connection is assigned, for example, to an actuator for triggering a drain valve, an actuator for extending and retracting a shower arm, or for triggering a shower water valve on a shower toilet, or a heating device for controlling the temperature of the shower water. The problem is that such an electrical connection must be designed to be accessible for maintenance through additional on-site measures.

[0008] EP-A-2 105 544 discloses a fire protection element for a sanitary facility, comprising a mounting frame for a toilet bowl and a wall, e.g. made of plasterboard, arranged in front of the mounting frame, with an opening to be closed with the fire protection element. The fire protection element has an upper passage for a flush pipe and a larger lower passage for a drain pipe. It has a sheet metal housing in which two fire protection devices made of fire protection material are arranged, which expand in the event of a fire. The fire protection element also contains a thermal insulation panel connected to a sheet metal plate having an edge made of bent sheet metal parts. A frame made of fire protection material is made on this edge and completely surrounds the edge. Within the edge, a further panel, also made of fire protection material, is arranged on the sheet metal plate.A U-shaped sheet metal holder is attached to the upper edge, into which strips of fire protection material are inserted in a U-shape. Furthermore, an arc-shaped holder is attached to the lower edge, which holds strips arranged in a ring. The upper and lower strips of fire protection material form the two fire protection devices. Finally, a sheet metal plate is attached to the front of the edge. The two sheet metal plates and the edge thus form the sheet metal housing in which the two fire protection devices are located. In the event of a fire, the respective fire protection material expands and fills the associated passage, with the respective holder absorbing the counterpressure.

[0009] EP-A-3 321 430 discloses a mounting frame for mounting a toilet on a wall, comprising a concealed cistern, a leak protection device for the cistern, and a connected flush pipe. This leak protection device is essentially designed as a box-like leak protection cover and has a flexible film seal that runs all the way around the front, a leak protection cover surrounding the flush pipe, and another circular film seal. However, it does not have a sealing element associated with the drain pipe.

[0010] DE-A-10 2013 001 708 discloses a height-adjustable support device for a toilet bowl.

[0011] The present invention is based on the object of creating a construction protection device of the type mentioned above, which offers at least an improved seal with regard to a leakage occurring in the flushing pipe and / or the drain pipe.

[0012] This object is achieved by a construction protection device having the features specified in claim 1. Advantageous embodiments of the invention can be found in the subclaims.

[0013] The construction protection device according to the invention is characterized in that the first sealing element and the second sealing element are designed in the form of axially open pipe sockets, and in that the construction protection device has at least one removable or detachable protective cover which covers the first sealing element and / or the second sealing element and is arranged at least partially in front of the front side of the rear wall.

[0014] The construction protection device according to the invention ensures that, in the event of a leak in the area of the ring seal between the flush pipe bend of the flush pipe and the flush pipe socket of the sanitary ceramic, as well as between the outlet bend of the drain pipe and the outlet socket of the sanitary ceramic, leaked water can escape or become visible at the front of the wall on which the sanitary ceramic is located. This allows such a leak to be detected early, and moisture damage can be avoided or at least minimized.

[0015] The construction protection device according to the invention can also be referred to as a secondary seal. It remains in place after the protective cover has been removed or separated, i.e., without the protective cover, and after the sanitary ceramics have been connected to the flush line and the drain pipe, thus serving as a secondary seal.

[0016] According to the invention, the wall connected to the rear wall is formed or connected to the rear wall in one piece, i.e., as a single piece, or by a material bond. The rear wall can define a plane from which the wall protrudes forward, for example, essentially at right angles. The rear wall and the wall delimit, for example, a shell- or box-shaped housing. The wall can also be referred to as a lateral wall.

[0017] According to the invention, the first and second sealing elements, the rear wall and / or the (side) wall are made of plastic.

[0018] An advantageous embodiment of the construction protection device according to the invention provides that the removable or detachable protective cover is connected to the wall, which is preferably designed as a circumferential wall, in a materially bonded and / or form-fitting manner. The protective cover can be designed, for example, as a film or thin plate and glued or welded to the wall. Additionally or alternatively, the protective cover can be connected to the wall in a form-fitting manner in the manner of a lid, for example, enclosed by the wall. This allows a reliable connection between the wall and the protective cover to be realized in a cost-effective manner. The wall, which is preferably designed as a circumferential wall, corresponds to an inspection shaft wall or can also be referred to as such.

[0019] According to 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 side of the wall. For example, the protective cover defines the front side of the construction protection device according to the invention or is essentially flush with the front edge of the preferably circumferential wall. This embodiment is favorable for easily attaching the protective cover to the wall. This embodiment is also favorable for removing or detaching the protective cover from the wall.

[0020] A further advantageous embodiment of the construction protection device according to the invention is characterized in that the wall (inspection shaft wall) has a plurality of parallel, preferably substantially completely circumferential grooves on its outer side. As a result, the preferably circumferential wall can be conveniently shortened in a cutting plane if necessary in order to be able to adapt the depth or axial, substantially horizontally extending length of the wall flush with the outer side (front side) of a wall covering arranged in front of the concealed cistern and the paneling. 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 wall thickness than at the respective groove, so that the cutting force required to shorten the wall is relatively low.

[0021] According to a further embodiment of the invention, the first sealing element and / or the second sealing element protrude with a collar-shaped portion from the rear wall toward the protective cover. This embodiment improves the sealing effect of the construction protection device, since leakage water escaping from said line area is more reliably directed through the collar-shaped portion to the front side of the wall, where the sanitary ceramics are arranged.

[0022] A further advantageous embodiment of the construction protection device according to the invention provides that the first sealing element and / or the second sealing element terminate at a distance from the protective cover. The distance from the protective cover is preferably dimensioned such that the sealing elements, designed in the form of open pipe sockets, do not need to be shortened when shortening the preferably circumferential wall (inspection shaft wall) for its flush adaptation to the front of a wall covering arranged in front of the concealed cistern and the paneling. This minimizes the cutting effort and saves material.

[0023] An optimized sealing effect of the construction protection device according to the invention can be achieved by, according to a further embodiment, the first sealing element and / or the second sealing element having a radially inwardly projecting seal, preferably an annular seal. This seal seals an annular gap between the first or second sealing element and the associated flushing pipe or drainage pipe, so that any leaking water cannot flow into the pre-wall, but essentially only in front of it. This seal can be formed integrally on the first or second sealing element, respectively, or can be designed as a separately manufactured seal, for example as an elastomeric annular seal.

[0024] A further advantageous embodiment of the construction protection device according to the invention is characterized in that the rear wall has at least one holder for the positive and / or non-positive positioning of at least one accessory, in particular a water connection and / or a power connection and / or an electrical power supply. The at least one accessory thus receives a defined mounting position that is easily accessible later in the event of servicing. Preferably, the rear wall has a recess on the at least one holder for the passage of a water line and / or a power line.

[0025] A further advantageous embodiment of the construction protection device according to the invention is characterized in that an arcuate empty conduit section for receiving a line, preferably a water line and / or an electrical line, is arranged on the rear wall. The arcuate empty conduit section can also be referred to as an insertion aid for a water line and / or an electrical line. Due to the arcuate empty conduit section, the construction protection device according to the invention facilitates the insertion or arrangement of one of the said lines, for example a water line that is connected to a shower base of a shower toilet. For this purpose, the arcuate empty conduit section can be formed integrally with the rear wall or fastened to the rear of the rear wall as a separately manufactured pipe section, for example, connected to it in a materially bonded and / or form-fitting and / or force-fitting manner.

[0026] It is also advantageous if, according to a further embodiment of the construction protection device according to the invention, the at least one holder is arranged between the first sealing element and the second sealing element. Thus, the space available between the two sealing elements is utilized for the defined arrangement of the at least one accessory part. The construction protection device according to the invention can thus be realized with relatively compact dimensions.

[0027] Cost-effective installation of the at least one accessory can be achieved if, according to a further embodiment of the construction protection device according to the invention, the at least one holder has at least one locking element, in particular a locking lug, and / or at least one hook or bracket. With such a configuration, accessories such as an electrical power supply and a power connection can be quickly and easily mounted on the rear wall of the construction protection device.

[0028] The object underlying the invention, stated above, is further achieved by a mounting frame for a sanitary ceramic, in particular a WC ceramic, which is equipped with a flush pipe to be connected to the sanitary ceramic, a drain pipe to be connected to a waste water drain opening of the sanitary ceramic 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 flush pipe is preferably connected to a drain opening of a concealed cistern.

[0029] An advantageous embodiment of the mounting frame is characterized in particular by the fact that at least one accessory, in particular a water connection and / or a power connection and / or an electrical power supply, is positioned in the construction protection device. The accessory thus has a defined mounting position that is easily accessible in the event of repair or maintenance.

[0030] With regard to a reliable drainage of leakage water escaping in the area of the seal between the flush pipe and the flush pipe connection of the sanitary ceramics in the direction of 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 socket axially overlaps the flush pipe on its outer circumference by a length of at least 15 mm, preferably at least 20 mm.

[0031] Accordingly, a further advantageous embodiment of the mounting frame provides for the second sealing element, designed in the form of an open pipe socket, to axially overlap 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 ceramics, to be reliably directed toward the outside of a pre-wall containing the mounting frame.

[0032] The invention is explained in more detail below with reference to a drawing illustrating an exemplary embodiment. In the drawings: Fig. 1 shows a section of a mounting frame for a sanitary ceramic, preferably a toilet ceramic, 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 from Fig. 1 without protective cover, in a corresponding perspective view; and Fig. 3 shows a section of the mounting frame with the construction protection device according to the invention without protective cover, in a front view.

[0033] The drawing shows a section of a mounting frame for a sanitary ceramic, preferably a toilet ceramic. The mounting frame is composed of vertical uprights 1, 2 and horizontal cross members 3, 4 connecting them. The uprights 1, 2 and cross members 3, 4 are made of metal profiles, particularly hollow profiles, and are connected to one another by means of welded or screwed connections.

[0034] For example, the lower cross member 4 and a central cross member 3, which is vertically spaced therefrom, 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 cross members 3, 4 and the connected metal profiles 1.1, 2.1 is vertically displaceable along the uprights 1, 2. 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) which have a corresponding threaded bore and are arranged vertically displaceably in the uprights 1, 2.

[0035] In the upper area of the mounting frame, a concealed cistern (not shown) is arranged, which is attached to the supports 1, 2. A flush pipe 6, which is to be connected to a sanitary ceramic, is connected to a bottom opening of the cistern.

[0036] The central cross member 3 of the mounting frame has mounting holes to which threaded sleeves 7 are mounted. These threaded rods are used to attach threaded rods (not shown). The sanitary ceramics, e.g., a toilet ceramic, are placed in a conventional manner onto the threaded rods screwed into the threaded sleeves 7 and secured to the mounting frame, which is fixed to a wall, by means of nuts. Furthermore, a flush pipe bend of the flush pipe 6 is held on the cross member 3. Preferably, the cross member 3 has a substantially centrally arranged through-opening in which a connecting end 6.1 of the flush pipe bend is arranged. The connecting end 6.1 has an annular bead on the inside into which a sealing ring (O-ring) 8 made of elastomer is inserted. The sanitary ceramics has a pipe socket assigned to the flush pipe bend of the flush pipe 6, which is inserted into the connecting end 6.1. Preferably, the connecting end 6.1 of the flushing pipe 6 forwards opposite the front of the cross member 3.

[0037] A drainpipe bend 9 – also called an outgoing bend – of a drainpipe is held on the lower cross member 4. For this purpose, a holder 10 is mounted on the cross member 4. This holder has a substantially U-shaped receiving part 10.1, into which the connecting end 9.1 of the drainpipe bend 9 can be positively inserted. Furthermore, the holder 10 comprises a bow-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 one another by a central section. The legs 10.21, 10.22 have locking elements arranged on the inside at their ends, for example hooks or locking lugs, to which projections or undercut shoulders formed on the outside of the receiving part 10.1 are assigned. The central section of the clamp 10.2 preferably has an arcuate section which, in the assembled state of the drain pipe bend 9, rests positively on the upper side of the pipe bend circumference.

[0038] The connecting end 9.1 of the drain pipe bend 9 also has an annular bead on the inside, into which an elastomer sealing ring (O-ring) 12 is inserted. The sanitary ceramic has a pipe socket associated with the drain pipe bend 9, which is inserted into the connecting end 9.1. Preferably, the connecting end 9.1 of the drain pipe bend protrudes forward relative to the front of the lower cross member 4 and relative to the front of the middle cross member 3.

[0039] The connecting end 6.1 of the flush pipe bend and the connecting 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 penetration of building material, e.g., tile adhesive, joint filler, and / or interior plaster, into the flush 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 assigned to the flush pipe 6 and a second sealing element 14.2 assigned to the drain pipe bend 9. The two sealing elements 14.1, 14.2 are connected to one another via a rear wall 14.3. The sealing elements 14.1, 14.2 are integral, i.e., formed as one piece with the rear wall 14.3. Furthermore, the construction protection device 14 has a wall 14.4 that is connected to the rear wall 14.3. The wall 14.4 is preferably designed as a substantially circumferential wall.However, it is also within the scope of the invention for the wall 14.4 to have one or more recesses. The rear wall 14.3 defines a plane from which the wall 14.4 projects forward substantially at a 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 side of the rear wall 14.3. The protective cover 14.5 is preferably made of a plastic film or a waterproof plate, in particular a thin plastic plate. It is positively and / or materially connected to the wall 14.4, preferably to its front edge 14.41, and can be severed from the wall 14.4, for example, using a knife. The protective cover 14.5 can also be called a protective lid.

[0040] The depth of the housing or wall 14.4, i.e., the distance between the front edge 14.41 of the wall and the front of the rear wall 14.3, is, for example, in the range of 40 mm to 100 mm. On its outer side, the wall 14.4 has a plurality of parallel, essentially circumferential grooves 14.42. The grooves 14.42 can be used as a guide for a knife or other cutting tool if the wall 14.4 is to be adapted in a vertical cutting plane to the outer side (front side) of a wall covering arranged in front of the concealed cistern and a paneling.

[0041] The sealing elements 14.1, 14.2 are designed as axially open pipe sockets. They are configured such that, when the construction protection device 14 is installed, they enclose the connecting end 6.1 of the flushing pipe bend of the flushing pipe 6 and the connecting end 9.1 of the drain pipe bend 9 on the outside, overlapping. For example, the open pipe sockets are axially dimensioned such that the respective sealing element 14.1, 14.2 axially overlaps the associated connecting end 6.1, 9.1 of the pipes on their outer circumference by a length of at least 15 mm, preferably at least 20 mm.

[0042] Due to 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 designed as open pipe sockets, in conjunction with the shell or box shape of the construction protection device 14, any leakage water that may escape in the area of the sealing ring 8 between the flush pipe 6 and the flush pipe connection socket of the sanitary ceramic, or in the area of the sealing ring 12 between the drain pipe bend 9 and the drain socket of the sanitary ceramic, is directed towards the outer wall connection surface of the sanitary ceramic. This allows any leakage to be detected early, and any damage caused by the leakage can be minimized or, ideally, avoided.

[0043] As can be seen in the drawing, the sealing elements 14.1, 14.2 each protrude with a collar-shaped section 14.11, 14.21 from the rear wall 14.3 in the direction of the front edge 14.41 of the wall or toward the protective cover 14.5. The collar-shaped sections 14.11, 14.21 are dimensioned such that the sealing elements 14.1, 14.2 end at a distance from the protective cover 14.5 or the front edge 14.41 of the wall.

[0044] The sealing elements 14.1, 14.2, designed as open pipe sockets, can axially overlap the connecting ends 6.1, 9.1 of the flushing pipe 6 and the drain pipe bend 9 with minimal radial clearance. The sealing elements 14.1, 14.2 have radially inwardly projecting seals (not shown), preferably ring seals, which, when the construction protection device 14 is installed, form a sealing contact with the outer sides of the flushing pipe 6 and the drain pipe bend 9.

[0045] Furthermore, the rear wall 14.3 of the construction protection device 14 has holders 16, 17, 18 for the positive and / or non-positive positioning of accessories.

[0046] In the illustrated embodiment, such brackets 16, 17, 18 are provided for the positive and / or non-positive positioning of a water connection 19 for a shower toilet, a power connection 20, and an electrical power supply 21. The brackets 16, 17, 18 are arranged between the upper and lower sealing elements 14.1, 14.2 and have locking elements, for example, locking lugs.

[0047] The power supply unit 21 is, for example, positively inserted into a holder 18 in the form of a niche-shaped recess in the rear wall 14.3. The niche-shaped recess 18 is delimited by a wall projecting to the rear. On the inside of opposite side sections of the preferably U-shaped wall, projections 18.1 are formed, which determine the vertical position of the power supply unit 21 in the holder 18. The horizontal position of the power supply unit 21 is determined by a rear stop element 18.2 and a front locking projection 18.3.

[0048] A gap 22 is provided between the top side of the power supply 21 inserted into the holder 18 and the upper edge of the holder 18, which gap is intended, for example, for the passage of a power line and / or for cooling purposes.

[0049] Furthermore, the rear wall 14.3 has a recess on each of the brackets 16, 17 for the passage of a water pipe or an electrical line. Preferably, at least one curved conduit section 14.6 is arranged on the rear wall 14.3 for receiving a supply line, in particular a water pipe or electrical line. The curved conduit section 14.6 arranged on the rear side of the rear wall 14.3 facilitates the insertion of a water pipe leading from the cistern to the water connection for a shower toilet.

[0050] The implementation of the invention is not limited to the embodiment shown in the drawing. Rather, numerous variants are conceivable, which, even with a design that differs from the example shown, make use of the invention defined in the appended claims.

Claims

1. Building protection device (14) for a flushing pipe to be connected to a sanitary ceramic and for a drain pipe to be connected to the sanitary ceramic, with a first sealing element (14.1) associated with the flushing pipe, a second sealing element (14.2) associated with the drain pipe, a rear wall (14.3) connecting the first sealing element (14.1) and the second sealing element (14.1), and a wall connected to the rear wall (14.3), preferably a circumferential wall (14.4), wherein the wall (14.4) connected to the rear wall (14.3) is formed in one piece or is connected to the rear wall (14.3) in a material-locking manner, wherein the first sealing element (14.1), the second sealing element (14.2), the rear wall (14.3) and the wall (14.4) are made of plastic, wherein the first sealing element (14.1) and the second sealing element (14.2) are designed in the form of axially open pipe sockets, and wherein the building protection device also has at least one removable or detachable protective cover (14.5), which covers the first sealing element (14.1) and / or the second sealing element (14.2) and is arranged at least partially in front of the front side of the rear wall (14.3).

2. Building protection device according to claim 1, characterized in that the protective cover (14.5) is connected to the wall (14.4) in a material-locking and / or form-fitting manner.

3. Building protection device according to claim 1 or 2, characterized in that the protective cover (14.5) is positioned on a front edge (14.41) of the wall (14.4).

4. Building protection device according to one of claims 1 to 3, characterized in that the wall (14.4) has on its outer side a plurality of grooves (14.42) which are parallel to one another and preferably extend substantially all the way around.

5. Building protection device according to one of claims 1 to 4, characterized in that the first sealing element (14.1) and / or the second sealing element (14.2) protrude or protrudes with a collar-shaped section (14.11, 14.21) towards the protective cover (14.5) with respect to the rear wall (14.3).

6. Building protection device according to one of claims 1 to 5, characterized in that the first sealing element (14.1) and / or the second sealing element (14.2) ends or ends at a distance from the protective cover (14.5).

7. Building protection device according to one of claims 1 to 6, characterized in that the first sealing element (14.1) and / or the second sealing element (14.2) has or have a radially inwardly projecting seal, preferably an annular seal.

8. Building protection device according to one of claims 1 to 7, characterized in that the rear wall (14.3) has at least one holder (16, 17, 18) for form-fit and / or force-fit positioning of at least one accessory part, in particular a water connection (19) and / or a power connection (20) and / or an electrical power supply unit (21).

9. Building protection device according to claim 8, characterized in that the rear wall (14.3) has a recess on the at least one holder (16, 17, 18) for the passage of a water line and / or a power line.

10. Building protection device according to claim 8 or 9, characterized in that an arcuate empty pipe section (14.6) for receiving a line, preferably a water line and / or a power line, is arranged on the rear wall (14.3).

11. Building protection device according to one of claims 8 to 10, characterized in that the at least one holder (16, 17, 18) is arranged between the first sealing element (14.1) and the second sealing element (14.2).

12. Building protection device according to one of claims 8 to 11, characterized in that the at least one holder (16, 17, 18) has at least one latching element, in particular a latching lug, and / or at least one hook or bracket.

13. Mounting frame for a sanitary ceramic, preferably WC 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 waste water discharge opening of the sanitary ceramic, characterized by a building protection device (14) according to one of claims 1 to 12.

14. Mounting frame according to claim 13, characterized in that at least one accessory part, in particular a water connection (19) and / or a power connection (20) and / or an electrical power supply unit (21) are positioned in the building protection device (14).

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