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EP4060135A1 - Chasse d'eau encastrée de construction basse - Google Patents

Chasse d'eau encastrée de construction basse Download PDF

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Publication number
EP4060135A1
EP4060135A1 EP22160181.8A EP22160181A EP4060135A1 EP 4060135 A1 EP4060135 A1 EP 4060135A1 EP 22160181 A EP22160181 A EP 22160181A EP 4060135 A1 EP4060135 A1 EP 4060135A1
Authority
EP
European Patent Office
Prior art keywords
opening
flushing
cistern
wall
vertical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP22160181.8A
Other languages
German (de)
English (en)
Inventor
Matthias Stockel
Martin Krabbe
Marius Leusing
Florian Doll
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TECE GmbH
Original Assignee
TECE GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TECE GmbH filed Critical TECE GmbH
Publication of EP4060135A1 publication Critical patent/EP4060135A1/fr
Pending legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
    • E03D11/13—Parts or details of bowls; Special adaptations of pipe joints or couplings for use with bowls, e.g. provisions in bowl construction preventing backflow of waste-water from the bowl in the flushing pipe or cistern, provisions for a secondary flushing, for noise-reducing
    • E03D11/14—Means for connecting the bowl to the wall, e.g. to a wall outlet
    • E03D11/143—Mounting frames for toilets and urinals
    • E03D11/146—Mounting frames for toilets and urinals with incorporated cistern
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
    • E03D1/01—Shape or selection of material for flushing cisterns
    • E03D1/012—Details of shape of cisterns, e.g. for connecting to wall, for supporting or connecting flushing-device actuators
    • E03D1/0125—Details of shape of cisterns, e.g. for connecting to wall, for supporting or connecting flushing-device actuators of built-in cisterns
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
    • E03D1/24—Low-level flushing systems

Definitions

  • the invention relates to a low-profile concealed cistern module, a toilet arrangement and a use of the concealed cistern module to implement the toilet arrangement.
  • Generic concealed cistern modules are intended to be arranged in a space between a building wall and a front wall provided in front of the building wall, the front wall forming a boundary wall of a room with its side facing away from the building wall, so that the concealed cistern module is covered by the front wall as seen from the room.
  • the pre-wall usually has a plurality of through-openings through which the concealed cistern module is accessible from the room.
  • the side of the front wall facing the room is usually referred to as the access side of the front wall, from which access to the concealed cistern module is made possible through the through-openings.
  • At least one first passage opening is usually provided, behind which an inspection opening of the concealed cistern module is arranged, through which access to the interior of the cistern of the concealed cistern module is granted.
  • a pretext usually has at least one further through-opening, via which means Connection pipes allow a connection of a toilet body to be fastened to the access side to a flushing pipe of the cistern and a building-side waste water pipe and can be provided by the fastening means via which the toilet body can be fastened.
  • Concealed cistern modules of the generic type usually have a mounting frame on which the cistern is fixed, the fastening means for fastening the toilet bowl to the mounting frame being designed, with the fastening means for fastening the toilet bowl preferably being designed in wall-mounted installation, in which the toilet -Body is mostly vertically spaced from a floor on which the mounting frame is placed.
  • the toilet body of a toilet arrangement is held by means of the fastening means on the mounting frame, which in turn is set up on a floor, so that the toilet body is not set up on the floor but above the Mounting frame is held relative to the ground while being vertically spaced from the ground.
  • the toilet body is thus usually designed as a wall-hung toilet body. Furthermore, in the case of wall-mounted installation, the waste water opening of the toilet body usually runs with its opening cross section along the vertical, so that a horizontally running connecting pipe can be connected to this waste water opening or plugged into it.
  • a connection for the flushing pipe (flushing pipe connection) and a connection for the waste water line (drainage pipe connection) are usually provided in the space between the building wall and the pre-wall, with the toilet bowl being connected to each of the connections via a connection pipe in each case in an intended operating state the space behind the pretext from through the Pretext passes through and is connected to the toilet body on the access side of the pretext.
  • the toilet bowl has a flushing connection with a flushing inlet opening and a drain connection with a waste water opening as connections, wherein the flushing connection can be connected to a first connecting pipe with the flushing pipe connection and the drain connection can be connected to a second connecting pipe with the drain pipe connection.
  • the flushing inlet opening and waste water opening have a clear cross-section through which flushing water can enter (flush connection) or exit (drain connection) the toilet body. This clear cross-section usually runs in the vertical direction and in the transverse direction.
  • the mounting frame usually includes a fastening device for fastening a tubular drain pipe connection in an installed state of the concealed cistern module in which the mounting frame of the concealed cistern module is set up on a level floor, the fastening device for fastening the drain pipe connection having a vertical distance of at least 140 mm, in particular at least 160 mm to the ground and/or defining the vertical position of its vertical center at a vertical distance of at least 200 mm from the ground.
  • a vertical center of the drain pipe connection and in particular a vertical center of the waste water opening of the toilet body is correspondingly at least 200 mm, in particular between 200 mm and 300 mm, vertically away from the floor in an installed state.
  • Generic flush-mounted cistern modules generally comprise a cistern and a flushing pipe connected to the cistern in a fluid-carrying manner, which flushing pipe is often designed as an arc as a flushing pipe bend.
  • the cistern is designed to be in a closed state Drain valve to store a defined flushing volume of flushing water and, in an open state of its drain valve, to release stored flushing water from a drain opening via the flushing pipe to a toilet body connected to the flushing pipe.
  • the cistern has a wall which is designed to store the flushing water when the drain valve is in the closed state.
  • the toilet bowl usually has a flushing inlet opening which is intended to be connected to the flushing pipe to carry fluid.
  • the flushing water entering the toilet bowl via the flushing inlet opening is usually used for flushing the toilet bowl, with contaminants in the toilet bowl, for example human excretions, being carried out of the toilet bowl with the flushing water, with the soiling enriched Flushing water is discharged via a waste water opening from the toilet body, for example to a building-side waste water pipe.
  • the flushing pipe provides a head for the flushing water stored in the cistern, over which the flushing water falls, starting from the outflow opening of the cistern, before it flows into the flushing inlet opening of the toilet body, which is connected to the flushing pipe of the cistern, at a flow rate which results from the filling level of the flushing water stored in the cistern, the drop height and the geometry of the cistern as a whole.
  • the siphon is filled with sealing water up to a vertical sealing water level to ensure its function, which results from the geometry of the toilet body encompassing the siphon and on which the water surface of the sealing water lies.
  • the sealing water remaining in the siphon prevents the passage of odors from a connected sewage pipe through the basin, which is open at the top, into a room in which the toilet body is installed.
  • the siphon is designed in such a way that the vertical center of the clear cross section of the drain connection of the toilet body is spaced vertically by less than 100 mm, in particular less than 70 mm, in particular less than 60 mm from the water surface of the sealing water, thereby making it easy to flow through of the flushing water through the toilet body is ensured when it, accelerated by the force of gravity starting from the cistern, flushes dirt out of the toilet body.
  • the vertical position of the water surface of the sealing water forms the highest vertical point of the siphon in the intended operating state, so that the flushing water necessarily flows from the siphon to the drain connection of the toilet bowl as soon as it reaches this vertical position.
  • the waste water opening of the drain connection of the toilet body is connected to the basin by a channel, which forms the siphon and has a clear cross section throughout its course, starting from the basin to the waste water opening, with its clear cross section preferably being at the lowest point of the siphon has a first value and in his further progression from the deepest point of the siphon to the waste water opening is increased or at least consistently at least 90% of the first value.
  • This course of the clear cross-section facilitates the passage of the flushing water and the flushing away of dirt caused by the flushing flow, which in turn is generated by the free fall of the flushing water from the cistern into the bowl of the toilet body.
  • the basin, waste port and flushing inlet port are usually provided integrally in a one-piece ceramic.
  • a cleaning effect with which the dirt can be removed from the toilet bowl by means of the flushing water depends significantly on the flow rate of the flushing water, the impact pressure of the flushing water and the amount of flushing water fed from the cistern into the toilet bowl.
  • generic concealed cistern modules the flushing water stored in the cistern is accelerated when the drain valve is in the open state by the gravitational force acting on the flushing water on the ground.
  • generic cisterns have a wall suitable for storing a large volume of, for example, 10 l of flushing water, the wall of the cistern extending from the toilet body along a vertical direction generally parallel to the gravitational force acting on the earth is spaced a large distance apart to ensure a large fall height to generate a high flow rate, the cistern wall also having a considerable vertical extension so that the flushing water can be stored with a large filling level in the wall to generate the greatest possible gravitational pressure.
  • the maximum fill level in a cistern is due to a specified fill limit determined.
  • a generic cistern has an overflow, via which it is ensured that flushing water exits the cistern through the overflow as soon as the filling limit is exceeded.
  • the overflow is usually connected to the flushing pipe, so that any flushing water above the filling limit can be discharged directly into a connected toilet bowl via the overflow, while the drain valve is closed.
  • the cistern wall must extend considerably beyond this filling limit, since a filling valve is usually provided within the wall of the cistern, which is connected to an inlet connection of the cistern and can be discharged via the rinsing water from a building-side rinsing water line into the cistern.
  • a filling valve is usually provided within the wall of the cistern, which is connected to an inlet connection of the cistern and can be discharged via the rinsing water from a building-side rinsing water line into the cistern.
  • Such an inlet connection is usually provided at an inlet opening provided in the wall of the cistern, and a flushing water pipe on the building side can be connected to the inlet connection from the outside, for example by the inlet connection having standard threaded or clamping sections.
  • Such a filling valve is absolutely common in the prior art and mostly float-controlled, so that the filling valve opens or closes depending on the level of flushing water
  • the filling valve is usually set in such a way that it closes and thus does not release any more flushing water from the flushing water line connected to the inlet connection into the wall as soon as the flushing water in the wall has reached a target filling level, and, starting from its closed state, only opens when the Level height of the flushing water by a predetermined minimum value, for example 5 mm or 2 mm, falls below the target level height.
  • a filling valve usually has a valve outlet through which there is rinse water in the Wall of the cistern emits.
  • the filling valve is usually designed to dispense flushing water exclusively via its valve outlet.
  • a dip tube is usually connected to the valve outlet, via which water flowing out of the valve outlet can be discharged into the wall of the cistern.
  • the dip tube is used to minimize noise in that it usually opens out into the wall at least 5 cm, in particular at least 15 cm, below the filling limit.
  • the filling limit is usually at least 1 cm, preferably at least 2 cm, above the target filling level.
  • a filling valve usually used in concealed cistern modules of this type also has external dimensions that are not negligible and extends over several centimeters.
  • a sufficient vertical distance between the valve outlet of the filling valve and the target filling level usually at least 4 cm, preferably at least 4.5 cm, and thus also a vertical distance between the valve outlet and the filling limit, usually at least 1 cm, in particular at least 2 cm.
  • the vertical extent of a filling valve thus usually ends at least 5 cm, in particular at least 6 cm, above the filling limit.
  • a generic cistern usually has an inspection opening above the filling limit, which can only be closed by a splash guard plate, so that the cistern wall at the level of the inspection opening is not suitable for storing flushing water.
  • This inspection opening is usually provided on a front side or, for the realization of low-profile cisterns, preferably on a top side of the cistern Front wall or cover wall has, behind which the concealed cistern module is to be mounted, so that access to the interior of the cistern is ensured through a corresponding through-opening in the front wall via the inspection opening.
  • Actuating rods are usually passed through this splash guard plate, via which the drain valve of the cistern can be actuated by means of actuating buttons that are attached to the access side of the front wall. This is accompanied by additional space requirements.
  • Flushing cisterns of generic concealed cistern modules must therefore already have a considerable overall height because of the mandatory components, and to provide a sufficient free fall height of the flushing water and a sufficient filling level in the cistern to provide sufficient gravity pressure, a considerable vertical extension of the cistern and the flushing pipe must be provided.
  • generic concealed cistern modules usually have a vertical extent of more than 1 m.
  • a corresponding flushing pipe of the generic type has a vertical extension of, for example, more than 200 mm.
  • Concealed cistern modules are therefore only suitable for being arranged behind a front wall, which in turn has a vertical extent which corresponds at least to the vertical extent of the generic concealed cistern module, which is often over 1 m.
  • Options for the interior design of a room, for example a bathroom, are correspondingly limited, since a generic concealed cistern module cannot be arranged on low walls that have a smaller vertical extension.
  • a smaller vertical extension of often less than 80 cm is present, for example, with walls that are arranged vertically below a window or, for example, as a washbasin to carry a Sinks are trained.
  • Concealed cistern modules of this type are not suitable for installation behind such low pretexts, since the conditions described make it practically impossible to save even a few centimeters in vertical height based on known low-construction concealed cistern modules. It should be pointed out at this point that, in addition to the toilet bodies intended for connection to generic concealed cistern modules, in which flushing is based on a flow velocity generated by a free fall of accumulated flushing water and an impact pressure generated by the free fall of the accumulated flushing water, others There are types of toilets in which dirt can be drained off in other ways, for example in siphon toilets by building up a negative pressure at a waste water opening, the negative pressure being generated by a siphon that extends vertically as far as possible and flushing water used only to fill a bowl section and the siphon of the siphon toilet, or in dry vacuum toilets where the use of flush water is almost entirely avoided. In the case of such toilets, the provision of a generic concealed cistern module does not make sense.
  • the object of the present invention is to provide a concealed cistern module, a toilet arrangement and a use of the concealed cistern module for realizing the toilet arrangement, which at least partially eliminates at least one of the disadvantages mentioned above.
  • the inventive Concealed cistern module which can be described as low-construction because of the small vertical extent that can be realized according to the invention, comprises a cistern and a flush pipe bend.
  • the cistern comprises a drain valve and a wall, the wall having an inlet opening and an outlet opening on its vertical underside. In a closed state, the drain valve rests sealingly on an edge surrounding the drain opening to prevent flushing water stored in the wall from escaping from the drain opening.
  • the outflow valve preferably has an in particular ring-shaped, preferably rubber-elastic seal, which in the closed state of the outflow valve rests directly on the edge surrounding the outflow opening in a sealing manner.
  • the scavenging pipe bend connected to the drain opening comprises a scavenging pipe opening and a curved section running between the scavenging pipe opening and the drain opening.
  • the drain opening and the flushing pipe opening are connected to one another in a fluid-conducting manner via the curved section.
  • the flushing pipe bend Due to its design in the manner of a pipe, the first pipe end of which points to the drain opening and the second pipe end of which forms the flushing pipe opening, the flushing pipe bend is designed to guide all flushing water that has escaped from the drain opening and was previously stored in the wall of the cistern and to discharge it from the flushing pipe opening.
  • the drain valve In an open state, the drain valve is at a distance from the edge of the drain opening, in particular vertically at a distance, to release the drain opening, so that the flushing water can pass through the drain opening.
  • the drain valve has an overflow opening which, in the closed state and in particular also in the open state, is connected to the flushing pipe opening in a fluid-carrying manner and whose vertical position defines a filling limit up to that in the closed state Flushing water can be stored in the wall.
  • the overflow opening and the flushing pipe bend are fluid-conductingly connected in the closed state by means of an overflow pipe, which in particular runs in a straight line with its pipe axis in the vertical direction.
  • the seal of the drain valve is preferably arranged in a closed manner on the outside around the drain pipe.
  • the drain opening is annular in the open state between the edge of the drain opening and the outside of the drain pipe.
  • the wall is preferably designed in one piece along its extension in the vertical direction from the drain opening to the filling limit.
  • the cistern preferably has an inlet connection at its inlet opening, with a filling valve being connected to the inlet connection within the wall of the cistern.
  • the inlet connection is preferably designed in such a way that it protrudes outside over the wall and a flushing water line on the building side can be connected to it in a conventional manner.
  • the filling valve is conventionally designed to allow flushing water to flow into the wall, i.e. into the volume of the cistern enclosed by the wall, and thus to be in the open state precisely when the flushing water stored in the wall does not reach a target fill level reached.
  • a filling valve can, for example, be electronically sensor-controlled or mechanically float-controlled.
  • the filling valve When the desired filling level is reached, the filling valve changes to a closed state in which it prevents flushing water from entering the cistern volume.
  • the filling valve is particularly preferably set in such a way that the target fill level is at least 10 mm, in particular at least 15 mm, in particular at least 20 mm, is spaced vertically from the overflow opening and thus from the filling limit and is therefore closer to the drain opening and the flushing pipe opening in the vertical direction.
  • the flush pipe bend, the wall and the drain valve are designed to correspond to one another in such a way that the flush pipe opening points perpendicularly to the vertical direction and its vertical center is at most 32 cm, in particular between 32 cm and 28 cm, in particular between 31 cm and 27 cm, from the filling limit is.
  • the vertical center of the washpipe opening designates a point which is spaced an equal distance from two opposite, absolute vertical ends of the washpipe opening and which corresponds in particular to a cross-sectional center of a cross-section of the washpipe opening.
  • the scavenging pipe opening is delimited by an edge formed by the scavenging pipe bend and enclosing the scavenging pipe opening.
  • the flushing pipe opening Since the flushing pipe opening is perpendicular to the vertical direction, the flushing pipe opening has a clear cross-section through which flushing water can escape from the flushing pipe bend, which runs parallel to the vertical direction.
  • This clear cross-section is preferably at least 10 cm 2 , in particular at least 12 cm 2 .
  • the drain opening on the other hand, preferably points in the vertical direction and thus has a clear cross section through which flushing water can escape from the wall of the cistern through the drain opening, which runs perpendicular to the vertical direction.
  • This cross section preferably has an area of at least 15 cm 2 , preferably at least 20 cm 2 , preferably at least 25 cm 2 .
  • the vertical position of the drain opening is formed by the vertical position of the edge surrounding the drain opening and immediately delimiting the drain opening, on which the drain valve rests sealingly in the closed state, with the vertical position averaged over its circumference around the drain opening being the focus and the edge being preferred is formed by a circumferential line formed by the side of the sealing abutment facing the drain opening between the wall portion surrounding the drain opening and the drain valve.
  • the flushing pipe bend is preferably designed in one piece.
  • the flushing pipe bend and the wall of the cistern are formed together in one piece or the wall integrally forms a section of the flushing pipe bend.
  • the rinsing pipe bend and the wall of the cistern are inseparably connected to one another, ie can only be separated if damaged.
  • the clear cross section of the flushing pipe opening explained above preferably runs parallel to the transverse direction and parallel to the vertical direction.
  • the curved section has a curved course in the direction from the drain opening to the flushing pipe opening, as a result of which a fluid-carrying connection between these differently aligned openings is ensured.
  • the scavenging pipe bend particularly preferably has an end section which forms the scavenging pipe opening, in which the scavenging pipe bend runs rotationally symmetrically about an axis which is less than 30°, preferably less than 20°, preferably less than 10° to a direction perpendicular to the vertical direction, which is preferably also perpendicular to the transverse direction.
  • This ensures a particularly simple connection of a flushing inlet opening of a toilet bowl to the flushing pipe opening by means of a connecting pipe.
  • the scavenging pipe bend preferably has a projection with a seal, into which a cylindrical connecting pipe can be inserted, sealing the scavenging pipe bend to the connecting pipe in a fluid-tight manner.
  • a concealed cistern module with the features according to the invention can be designed to be particularly low in construction compared to generic concealed cistern modules without losing the required adequate flushing effect. Contrary to professional considerations, fluid friction of the flushing water on the wall and on the flushing pipe bend is particularly low when the features according to the invention are present, and at the same time a sufficient fall height of the flushing water is ensured, so that the flushing water can escape from the flushing pipe end of the flushing pipe bend with a sufficiently high flow rate and sufficient pressure.
  • the inventors have recognized that the interplay between the vertical distance from the flushing pipe opening to the filling limit and the vertical distance from the flushing pipe opening to the drain opening is particularly advantageous for this purpose, since the combination of these distances can achieve both sufficient gravitational pressure and sufficient gravitational acceleration of the flushing water and on the other hand the flow of the flushing water in the flushing pipe bend is braked sufficiently little.
  • the invention thus enables the realization of particularly low-profile concealed cistern modules, through the new Installation options for such concealed cistern modules can be developed. The invention achieves this through a simple and robust design of the concealed cistern module.
  • the rinsing pipe bend forms a rinsing water flow without undercuts throughout from the edge of the drain opening to the end of the curved section facing the rinsing pipe opening.
  • abrupt cross-sectional changes of the scavenging pipe bend along its course, starting from the drain opening to the end of the curved section facing the scavenging pipe opening, in particular on the inside of the scavenging pipe bend are dispensed with.
  • the flushing water flow is designed without burrs.
  • the rinsing water flow extends from the edge of the drain opening to the curved section and across said curved section, in particular up to the rinsing pipe opening, and forms a rinsing pipe space surrounded by the rinsing pipe wall and delimited by the inside of the rinsing pipe bend.
  • the flushing water guide is thus designed to continuously guide flushing water from the edge of the drain opening in the direction, in particular up to the flushing pipe opening, with the flushing pipe bend being surrounded uninterruptedly by the flushing pipe wall along the entire extent of the flushing water guide.
  • the scavenging pipe bend is correspondingly designed continuously without an undercut, at least along the entire extension of the bend section.
  • the curved section is spaced apart from the flushing pipe opening, in particular by at least 3%, in particular at least 5%, in particular between 3% and 20%, in particular between 3% and 10% of the length of the flushing pipe bend from the drain opening to the flushing pipe opening, with the flush pipe bend between Arc section and flushing pipe opening, a projection, in particular a groove for a seal, is provided.
  • the section of the curved section of the flushing pipe running from the end of the curved section facing the opening of the flushing pipe to the opening of the flushing pipe can be designed as an end section.
  • the arcuate section extends to the flush pipe opening.
  • an edge-free clear cross-section is continuously formed on the inside of the flush pipe bend over its extension, starting from the drain opening up to the end of the curved section facing the flush pipe opening.
  • the scavenging pipe bend is smooth-walled on the inside, preferably along the entire extent of its bend section.
  • the inner wall of the bend in the flushing pipe that delimits the flow of flushing water has only discontinuities along its course, which are hydraulically negligible.
  • the flushing pipe bend preferably has a hydraulically effective roughness of at most 0.05 along its flushing water flow.
  • the flushing pipe bend has no elevations on its inside along the entire extent of the flushing water flow that protrude more than 1 mm, in particular more than 0.5 mm, in particular more than 0.1 mm into the interior enclosed by the inside.
  • Undercut-free in the context of the present invention means that a first cross section, which is arranged after a second cross section in the flow direction of the flushing water, which is directed from the drain opening to the flushing pipe opening, with each of the cross sections running perpendicular to the flow direction and the flushing water flow perpendicular to the Flow direction intersects, having an equal or smaller cross-section than the second cross-section, in particular any cross-sectional change between the first cross-section and the second cross-section occurs continuously along the direction of flow.
  • flushing cisterns are usually produced from a plastic by means of an injection molding process.
  • injection molding tools are used that are as inexpensive to produce as possible, which means that when a complicated geometry is implemented, as is the case with a flushing cistern with a flushing pipe bend, undercuts, in particular burrs, are formed.
  • the inventors have recognized that it is necessary to move away from such typical manufacturing processes, for example by using complex injection molding tools, for example by using a rotary core to implement the flushing pipe bend, or by post-processing the flushing cistern produced by injection molding, for example by grinding processes.
  • the wall of the cistern is designed in such a way that when the flushing water is closed, it can be stored in the wall with a volume of at least 6 liters, in particular at least 8 liters, in particular at least 10 liters. This means that only when flushing water flows into the previously empty wall of the cistern in the closed state with a volume greater than that mentioned, the flushing water via the overflow opening through the Flush pipe opening is discharged.
  • two absolute transverse ends of the wall are transversely separated from each other by no more than 2 times, in particular by no more than 1.7 times, in particular by no more than 1.6 times the vertical distance between the fill line and the vertical center of the flush pipe opening.
  • sagittal is meant along a sagittal direction that is perpendicular to the vertical direction and perpendicular to the transverse direction, from each other by no more than 70%, in particular by no more than 60%, in particular by no more than 55% of one Amount of vertical distance between the fill line and the vertical center of the washpipe opening.
  • the drain opening of the wall is formed by an absolutely vertical end of the wall on its underside, with the flushing water being stored in the wall above the drain valve when the drain valve is closed.
  • flushing water with the named volume can be stored in the wall in the closed state while at the same time the wall of the cistern does not extend perpendicularly to the vertical direction enables a compact design with which a large volume of flushing water can still be provided for flushing.
  • the concealed cistern module also includes a mounting frame on which the cistern and the flush pipe bend are fixed in position, in particular relative to one another and relative to the mounting frame.
  • the mounting frame preferably comprises at least two longitudinal struts spaced apart from one another along the transverse direction, the longitudinal struts being elongated along the vertical direction extend.
  • the longitudinal struts preferably run parallel to one another.
  • the longitudinal struts are connected by at least one transverse strut, the at least one transverse strut extending in an elongated manner along the transverse direction, and the transverse strut fixing the longitudinal struts in a fixed position relative to one another.
  • the mounting frame is particularly preferably designed to be adjustable in height, ie an extension of the mounting frame along the vertical direction can be adjusted.
  • the mounting frame has a module base that forms an absolute lower end of the concealed cistern module and with which the mounting frame can thus be set up on a floor.
  • the at least one module foot is preferably adjustable relative to at least one longitudinal strut for height adjustability.
  • the concealed cistern module preferably extends in a certain installed state of the concealed cistern module, in which the module base has a fixed position relative to the cistern and in which the concealed cistern module is suitable for the intended use, between its lower absolute vertical end and its upper absolute vertical end over a vertical Extension of a maximum of 77 cm, in particular a maximum of 75 cm, in particular between 60 cm and 75 cm.
  • An absolute upper vertical end of the cistern is particularly preferably spaced vertically downwards from the upper absolute vertical end of the concealed cistern module by at least 1 cm, in particular at least 2 cm, in particular by a maximum of 5 cm.
  • the module base is held fixed in its defined position on the longitudinal struts, in particular latched, with the module base being released from this position and the module base then being moved is made possible relative to the longitudinal struts downwards, in particular downwards and upwards, into a different position in which it is also held fixed.
  • Such an extension of the vertical extension of the concealed cistern module by holding the module foot in the other position can be advantageous, for example, in cases of use of the concealed cistern module in which the floor is designed as a finished floor that has an unfinished floor and a finished floor covering applied to the unfinished floor, for example comprising tiles , tile adhesive, in particular screed and/or a sound insulation layer, the module foot being placed on the unfinished floor and the finished floor covering, preferably outside the horizontal area of the module foot, being applied in front of the mounting frame to the unfinished floor across the horizontal area, within which, vertically offset to the ground, a toilet body is to be arranged fixed to the mounting frame.
  • the floor is designed as a finished floor that has an unfinished floor and a finished floor covering applied to the unfinished floor, for example comprising tiles , tile adhesive, in particular screed and/or a sound insulation layer
  • the module foot being placed on the unfinished floor and the finished floor covering, preferably outside the horizontal area of the module foot, being applied in front of the mounting
  • the module foot is preferably held fixed to the longitudinal struts in various vertical positions relative to these, with a vertical distance between an upper maximum position and a lower maximum position in which the module foot can be fixed to the longitudinal struts being at least 15 cm, in particular at least 20 cm , wherein the lower maximum position is the position in which the module foot is spaced farthest from the upper end of the concealed cistern module, and the upper maximum position is the position in which the module foot is spaced the least far from the upper end of the concealed cistern module, wherein preferred the upper maximum position is the position of the intended in the installation state described above module foot is.
  • the scavenging elbow is formed in one piece with the wall of the cistern.
  • the wall and the flushing pipe bend are produced together in one process step.
  • the wall of the cistern and the bend in the cistern are thin-walled, with an average wall thickness of the bend in the cistern and the wall of the cistern being less than 5 mm, in particular 3 mm, in particular 2 mm.
  • the scavenging pipe bend is curved within its curved section about an axis of curvature running perpendicularly to the vertical direction.
  • the curved section particularly preferably extends over at least 60%, in particular at least 70%, in particular at least 85% of the extension of the curved flushing pipe running from the outlet opening to the flushing pipe opening.
  • the curved section is curved by at least 60°, in particular at least 75°, in particular at least 85° along its course between the drain opening and the flushing pipe opening.
  • the flushing arc preferably has a curved course exclusively in its arc section, the curvature of which is more than 10°.
  • the curved section is not more than 20%, in particular not more than 10%, from the flushing pipe opening and/or from the drain opening. in particular spaced apart by at least 5% of said extent of the flushing pipe bend.
  • the rinsing pipe bend is curved, having a curvature of at least 80°, in particular between 80° and 110°, in particular between 85° and 95° around an axis of curvature running in particular in the transverse direction.
  • the transverse direction is perpendicular to the vertical direction.
  • the radius of curvature describes a distance between the axis of curvature and the center of the surface of a pipe cross-section of the scavenging pipe bend, the curvature being based on the course of the surface center of the pipe cross-section along the course of the scavenging pipe bend.
  • An average radius of curvature of the curved section is particularly preferably at most 8 cm, in particular at most 6 cm, in particular at most 5 cm, and in particular at least 4 cm.
  • the bend in the flushing pipe has a curvature along its curvature within the bend section, which extends over at least 70%, in particular at least 80%, of the extension of the bend section, in particular by 0.03 mm/° to 0.08 mm/°, in particular 0.05 mm/° to 0.06 mm/°, continuously reducing, in particular elliptical, in particular circular, tube cross-section.
  • tube cross-section is turned off to a radially extending free cross-section radially from the curved section or the inside of the curved section of the flushing pipe bend and through which the flushing fluid can be guided, in particular along the flushing water flow.
  • the flow rate of the flushing water can be influenced by the decreasing tube cross-section, in particular in such a way that the flow rate increases starting from the drain opening towards the flushing tube opening, which is generally advantageous.
  • a flow path to be covered by the flushing water from the drain opening to the flushing pipe opening is a maximum of 20 cm, in particular a maximum of 15 cm, in particular a maximum of 12 cm.
  • the flushing tube opening is particularly preferably at a distance of at least 5 mm, in particular at least 10 mm, from a sagittal end of the mounting frame.
  • the cistern comprises a filling valve which is connected to the inlet opening of the wall and has a valve outlet for dispensing flushing water into the wall.
  • the wall is preferably designed in such a way that flushing water enters the wall exclusively through the inlet opening.
  • the inlet opening is preferably arranged above the overflow opening.
  • the valve outlet is preferably spaced vertically at least 2 cm from the overflow opening. In each case, a vertical end of the outlet opening and the overflow opening is used, with the vertical ends facing each other.
  • the filling valve is preferably arranged in the wall.
  • the designation "in the wall” describes an interior space enclosed by the wall, into which the flushing water is discharged, with the wall enclosing the interior space and thus carrying the flushing water.
  • the invention also includes a toilet arrangement, wherein the toilet arrangement includes a concealed cistern module according to the invention with a mounting frame and a toilet body fixed in position on the mounting frame of the concealed cistern module.
  • the toilet bowl has a flushing inlet opening that points perpendicularly to the vertical direction and thus has a clear cross-section running along the vertical direction, which is connected to the flushing pipe opening, in particular by means of a connecting pipe, to carry fluid for transferring flushing water from the wall into the toilet bowl, in particular into a basin of the toilet bowl, the toilet bowl preferably being designed as a washdown toilet bowl.
  • the toilet bowl is preferably fixed to the mounting frame in a detachable manner.
  • the toilet bowl is particularly preferably fixed to the access side of the wall, with the cistern of the concealed cistern module being arranged on a side of the wall facing away from the access side.
  • a vertical center of the flushing inlet opening is spaced at most 32 cm, in particular between 32 cm and 28 cm, in particular between 31 cm and 27 cm, from the filling limit and thus from the overflow opening in the vertical direction.
  • the vertical center of the scavenging inlet port is meant a location of the scavenging inlet port which is vertically spaced an equal distance from two opposite absolute vertical ends of the scavenging inlet port.
  • the vertical center of the flushing inlet opening is spaced from the drain opening by at most 9 cm, in particular between 9 cm and 6 cm.
  • the vertical center of the scavenge inlet port and the vertical Center of the rinsing tube opening perpendicular to directions in which the rinsing tube opening and the rinsing inlet opening point, in particular perpendicular to the sagittal direction, by a maximum of 3 cm, in particular between 3 cm and 0 cm, in particular between 1 cm and 0 cm, apart from each other.
  • the scavenging pipe opening and the scavenging inlet opening are particularly preferably arranged in alignment with one another, meaning that a deviation from an ideally aligned arrangement is at most 10 mm, in particular at most 3 mm.
  • an absolute upper vertical end of the concealed cistern module from a horizontal area of a top side of a floor that is located vertically below the toilet bowl fixed to the mounting frame and thus exclusively within the horizontal extension of the toilet bowl, in particular within the horizontal extension of the siphons of the toilet body, spaced by a maximum of 75 cm.
  • the floor preferably comprises an unfinished floor and a finished floor covering applied to the unfinished floor, the finished floor covering forming the region of the upper side of the floor and the module base of the mounting frame being placed on the unfinished floor outside of the finished floor covering.
  • an absolute vertical upper end of the concealed cistern module, in particular of the mounting frame, and an absolute vertical upper end of the toilet body pointing in the same direction are at most 42 cm apart, in particular between 42 cm and 25 cm, in particular a maximum of 38 cm , In particular a maximum of 36 cm, in particular between 38 cm and 25 cm, in particular between 37 cm and 30 cm, in particular between 36 cm and 31 cm apart.
  • the toilet body is a one-piece ceramic body. Especially the toilet body has a vertical extent of at most 50 cm, in particular at most 40 cm, in particular at most 35 cm.
  • the toilet bowl of the toilet arrangement is designed for hanging attachment to the mounting frame, the toilet bowl in the toilet arrangement with its absolute vertical lower end being at least 5 cm from an upper side of the floor arranged below it, in particular at least 10 cm apart in the vertical direction.
  • the absolute vertical lower end of the concealed cistern module, in particular the mounting frame is at a distance of at least 5 cm from the vertical lower end of the toilet bowl in the vertical direction.
  • the invention also includes the use of a concealed cistern module according to the invention for realizing a toilet arrangement according to the invention.
  • the use according to the invention provides that a toilet bowl having a flushing inlet opening is connected in a fluid-conducting manner with its flushing inlet opening to a flushing pipe opening of the flushing pipe bend.
  • the toilet bowl also has a drain opening, the toilet bowl being connected with its drain opening to a drain line on the building side.
  • the fluid-carrying connection between the flushing inlet opening of the toilet bowl and the flushing pipe opening of the flushing pipe bend is particularly preferably established by means of a connecting pipe, with the fluid-carrying connection between the outflow opening of the toilet bowl and the building's waste water pipe being made by means of a further connecting pipe.
  • the toilet bowl is particularly releasably fixed in position on the Mounting frame attached, in particular non-positively and / or positively.
  • the toilet bowl is attached to the mounting frame in such a way that the mounting body supports the toilet bowl.
  • a distance from a vertical center of the flushing inlet opening of the toilet body fixed in position on the mounting frame in the vertical direction to the filling limit is at most 32 cm, in particular between 32 cm and 28 cm.
  • the vertical center of the flushing inlet opening is vertically spaced from the drain opening by at most 9 cm, in particular between 9 cm and 6 cm.
  • the mounting frame is first set up with its module base 31 on a floor, so that an absolute vertical end of the concealed cistern module pointing away from the floor is at most 75 cm, in particular between 60 cm and 75 cm, from a horizontal area of a top side of the floor, which is is located vertically below the toilet body fixed to the mounting frame and points vertically to this, is spaced.
  • the horizontal area of the floor extends along a plane that is perpendicular to the vertical direction and thus horizontal.
  • the vertical end of the WC body facing away from the floor is spaced vertically from this horizontal area of the floor by at least 35 cm, in particular between 35 cm and 50 cm, in particular at least 39 cm.
  • the concealed cistern module according to the invention can have features that are disclosed in connection with generic concealed cistern modules and/or with advantageous embodiments of the concealed cistern module according to the invention. Furthermore, the concealed cistern module according to the invention can have features that are related to the toilet arrangement according to the invention or the use of the invention Realization of a toilet arrangement are disclosed.
  • the toilet arrangement according to the invention can have features that are disclosed in connection with the concealed cistern module according to the invention.
  • the inventive use of the concealed cistern module can include features that are disclosed in connection with the concealed cistern module according to the invention.
  • FIG 1 including the Figures 1a and 1b shows a schematic representation of an embodiment of an advantageous embodiment of the concealed cistern module 100 according to the invention, wherein Figure 1b a front view looking in the sagittal direction, and Figure 1a shows a sectional view along a sectional plane A perpendicular to the transverse direction X.
  • the concealed cistern module 100 comprises a cistern 1 and a flush pipe bend 2, both of which are fixed in position on a mounting frame 3 formed from metal struts.
  • the mounting frame 3 is designed to be height-adjustable in steps and has a plurality of vertically displaceable module feet 31 for this purpose.
  • the vertical direction Z runs parallel to the effective direction of the gravitational acceleration g.
  • the cistern 1 is fastened in a vertically upper region of the mounting frame 3 between two longitudinal struts which are connected by a number of transverse struts, the cistern 1 comprising a wall 12 which has an inlet opening 13 and an outlet opening 14 .
  • the cistern 1 comprises a drain valve 10 which is arranged in the wall 12 and which closes the drain opening 14 by resting with a seal on an edge 141 surrounding the drain opening 14 in a sealing manner.
  • the outflow valve 10 comprises an overflow pipe which fluidly connects an overflow opening 101 of the outflow valve 10 to the flushing pipe opening 20, the overflow opening 101 defining a filling limit.
  • Rinsing water can be stored in the wall 12 of the cistern 1 up to the filling limit, without rinsing water being discharged from the cistern via the overflow opening 101 from the drain opening 14 .
  • flushing water can be stored in the wall 12 up to the filling limit.
  • the cistern 1 is designed in such a way that a distance h 3 provided between the filling limit and the edge 141 of the drain opening 14 is 31 cm in the vertical direction Z. In an open state, the drain valve 10 is vertically spaced from the edge 141 of the drain opening 14 , as a result of which the flushing water stored in the wall 12 is released to flow out through the drain opening 14 .
  • the flushing water flows from the drain opening 14 into the flushing pipe elbow 2 arranged below the flushing tank 1, which directly adjoins the drain opening 14.
  • the scavenging pipe bend 2 extends from the drain opening 14 to a scavenging pipe opening 20 via an arc section 21 which is curved by 90° about an axis of curvature running in the transverse direction X.
  • the rinsing pipe opening 20 points in the sagittal direction Y and the drain opening 14 in the vertical direction Z.
  • the pipe wall of the curved section 21 encloses a rinsing water guide that is designed without undercuts, with the pipe cross-section of the rinsing water guide continuously increasing from the drain opening 14 to the rinsing pipe opening 20 by 0.055 mm/° reduced.
  • Flushing cistern 1 and flushing pipe bend 2 are each made of polypropylene.
  • the drain opening 14 and a vertical center of the wash pipe opening 20 are spaced apart in the vertical direction Z by a distance h 4 which is 9 cm.
  • the vertical distance h 2 between the filling limit and the vertical center of the flushing pipe opening 20 is 40 cm in the present case.
  • figure 2 including the figures 2a and 2 B shows schematically and as a basic sketch the flushing cistern 1 with flushing pipe bend 2 connected to the wall 12, wherein Figure 2a an isometric view and Figure 2b shows a sectional view along a sectional plane perpendicular to the sagittal direction Y.
  • the inlet opening 13 is arranged in the vertical direction Z above the filling limit defined by the overflow pipe opening 101, with a filling valve 15 being connected to the inlet opening 13, which is designed to release the washing water entering through the inlet opening 13 into the wall 12 via a valve outlet, the filling valve 15, when a designated volume of flushing water is stored in the cistern 1, closes its outlet opening and prevents further discharge of flushing water into the wall 12.
  • the inlet opening 13 and the valve outlet of the filling valve 15 are fluid-conductingly connected by a plastic tube running transversally above the filling limit.
  • FIG. 3 shows a schematic outline sketch of a toilet arrangement 1000 according to the invention
  • the toilet arrangement 1000 comprising a concealed cistern module 100 figure 1 includes and a toilet body 200 which is fixed to the concealed cistern module 100.
  • a flushing inlet opening of the toilet bowl 200 (not visible in Figure 3) is connected to the flushing pipe opening 20 of the flushing pipe bend 2 by means of a connecting pipe with a connection set in a fluid-carrying manner for transferring flushing water from the wall 12 into the toilet bowl 200.
  • the flushing inlet opening faces the mounting frame 3 and is therefore covered by the toilet body 200.
  • the toilet body 200 is designed as a wall-mounted toilet body.
  • the assembly frame 3 is set up on a floor which comprises an unfinished floor 4 and a finished floor covering 5 applied to the unfinished floor 4, which is shown very schematically in Figure 3 only with its respective vertical upper side, in the present case the finished floor after the installation of the unfinished floor has taken place
  • Mounting frame is applied to the unfinished floor.
  • the toilet body 200 is spaced from the module base 31, which is placed on the unfinished floor of the floor, in the vertical direction Z and has a vertical distance h 5 between an absolute vertical upper end of the toilet body 200 and a horizontal area of a top side the unfinished floor and the finished floor covering arranged below the toilet bowl, which is 40 cm.
  • the module foot 31 can be fixed in different vertical positions on the longitudinal struts of the mounting frame 3 .
  • a first position which is not shown in Figure 3, is an underside of the module foot 31 that forms an absolute lower vertical end of the concealed cistern module is spaced 75 cm from an absolute upper end of the concealed cistern module, this position of the module foot 31 being advantageous for realizing a WC arrangement 1000 in which the module foot 31 is on a flat surface Floor is set up, the flat top extends without height offset. In the other position of the module foot 31 shown, this vertical distance is set larger.
  • the entire vertical extension of the toilet arrangement 1000 corresponds to the absolute vertical extension of the concealed cistern module 100, with a distance h 1 between the absolute upper vertical end of the toilet arrangement 1000 and the mentioned horizontal area of the upper side of the floor, which is presently covered by the finished floor covering 5 de floor is formed, is present 75 cm.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sanitary Device For Flush Toilet (AREA)
EP22160181.8A 2021-03-19 2022-03-04 Chasse d'eau encastrée de construction basse Pending EP4060135A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102021106777.4A DE102021106777A1 (de) 2021-03-19 2021-03-19 Niedrigbauender Unterputzspülkasten

Publications (1)

Publication Number Publication Date
EP4060135A1 true EP4060135A1 (fr) 2022-09-21

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ID=80628746

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Application Number Title Priority Date Filing Date
EP22160181.8A Pending EP4060135A1 (fr) 2021-03-19 2022-03-04 Chasse d'eau encastrée de construction basse

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EP (1) EP4060135A1 (fr)
DE (1) DE102021106777A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2653363A1 (de) * 1976-11-24 1978-06-01 Chloride Group Ltd Wasserklosett
DE3410499C2 (de) * 1984-02-21 1996-03-07 Geberit Ag Haltevorrichtung für sanitäre Apparate
KR20000036659A (ko) * 2000-03-24 2000-07-05 김창식 대변시와 소변시에 내리는 물의 양을 달리하여 물을절약할 수 있는 좌변식 변기
DE10207067A1 (de) * 2002-02-20 2003-09-04 Klaus Rohmann Bausatz zur Erzeugung insbesondere einer Vorwand-Eckinstallation für ein WC oder dgl.
WO2013011454A1 (fr) * 2011-07-15 2013-01-24 Valsir S.P.A. Système de drain pour un réservoir de rinçage
EP2642034A2 (fr) * 2012-03-22 2013-09-25 Thomas Dudley Limited Cadre réglable
DE202015001752U1 (de) * 2014-11-19 2015-03-30 Karl Grumbach Gmbh & Co. Kg Spüleinheit

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2653363A1 (de) * 1976-11-24 1978-06-01 Chloride Group Ltd Wasserklosett
DE3410499C2 (de) * 1984-02-21 1996-03-07 Geberit Ag Haltevorrichtung für sanitäre Apparate
KR20000036659A (ko) * 2000-03-24 2000-07-05 김창식 대변시와 소변시에 내리는 물의 양을 달리하여 물을절약할 수 있는 좌변식 변기
DE10207067A1 (de) * 2002-02-20 2003-09-04 Klaus Rohmann Bausatz zur Erzeugung insbesondere einer Vorwand-Eckinstallation für ein WC oder dgl.
WO2013011454A1 (fr) * 2011-07-15 2013-01-24 Valsir S.P.A. Système de drain pour un réservoir de rinçage
EP2642034A2 (fr) * 2012-03-22 2013-09-25 Thomas Dudley Limited Cadre réglable
DE202015001752U1 (de) * 2014-11-19 2015-03-30 Karl Grumbach Gmbh & Co. Kg Spüleinheit

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