EP3736388B1 - Soupape de remplissage pourvue de protection contre la contamination - Google Patents

Soupape de remplissage pourvue de protection contre la contamination Download PDF

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Publication number
EP3736388B1
EP3736388B1 EP19173488.8A EP19173488A EP3736388B1 EP 3736388 B1 EP3736388 B1 EP 3736388B1 EP 19173488 A EP19173488 A EP 19173488A EP 3736388 B1 EP3736388 B1 EP 3736388B1
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EP
European Patent Office
Prior art keywords
opening
valve
filling valve
outlet opening
channel
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EP19173488.8A
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German (de)
English (en)
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EP3736388A1 (fr
Inventor
Martin Krabbe
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TECE GmbH
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TECE GmbH
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    • 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
    • E03D1/30—Valves for high or low level cisterns; Their arrangement ; Flushing mechanisms in the cistern, optionally with provisions for a pre-or a post- flushing and for cutting off the flushing mechanism in case of leakage
    • E03D1/32—Arrangement of inlet valves

Definitions

  • the invention relates to a filling valve for a cistern according to the preamble of claim 1 and a cistern with such a filling valve.
  • a generic cistern has a cistern housing that is suitable for storing flushing water.
  • the cistern housing has a connection opening and a drain opening.
  • a connection piece to which a filling valve is connected is usually provided in the connection opening, or the filling valve is arranged directly in the connection opening.
  • the drain valve is designed to close the drain opening and can be actuated via a separate actuating element, for example a flush button.
  • a drain pipe is connected to the drain opening, via which flushing water can be fed to a toilet body for flushing the toilet.
  • the cistern is supplied with flushing water via the connection opening using the filling valve.
  • a generic filling valve has an access that is suitable for connecting to a water pipe, the connection preferably being carried out by means of the connecting piece.
  • the access can be designed in a manner known in the art, for example the access can have an external thread or an internal thread or others Clamping devices known from the prior art.
  • a generic filling valve further has a channel which connects the access of the filling valve to an outlet opening of the filling valve. The channel thus forms the access with its first channel end and the exit opening with its second channel end.
  • a valve is usually arranged in the channel and can be actuated via a float. As intended, the valve closes the channel in a closed position and prevents water from getting from the access to the outlet opening in the closed position.
  • the valve In the open position, the valve allows water entering the fill valve via the access to be discharged in the form of a water jet at the outlet opening of the fill valve.
  • Generic filling valves should have various properties. On the one hand, they should be as compact as possible so that they take up as little space as possible in a cistern. On the other hand, the most reliable functioning of the valve should be ensured in the simplest possible way. In addition, the filling valve should be suitable for enabling the quietest possible filling of a cistern with flushing water.
  • a dip tube is arranged at the outlet opening of the filling valve, which extends downwards from the outlet opening along a vertical direction and which, with its dip tube wall, encloses a clear cross section which runs perpendicular to the vertical direction, perpendicular to the vertical direction .
  • the immersion pipe thus makes it possible for water not to free fall downwards at a high height before it hits a wall of the cistern housing or the water level in the cistern housing, but rather the immersion pipe guides the flushing water over the extension of the immersion pipe starting from the exit opening of the channel up to the vertical lower end of the immersion pipe into the cistern.
  • the immersion pipe with its intended purpose of minimizing noise, namely to enable a closed flow of water starting from the access of the filling valve to the water surface of the water arranged in the cistern, represents a particular source of risk.
  • This connection can result in water in the flushing water the cistern is arranged, existing contaminants reach the access to the filling valve and via this to the water pipe connected to the access, especially when suction effects occur, for example due to pressure fluctuations in the water pipe. Since a cistern and thus also the filling valve of the cistern is generally connected to a drinking water pipe to supply the cistern with flushing water, such contamination of the water pipe with impurities must be urgently avoided.
  • the present invention is based on the object of providing a filling valve and in particular a cistern with a filling valve, with which at least one of the disadvantages of known filling valves, in particular known cisterns, can be at least partially eliminated.
  • the filling valve according to the invention has a channel which has an access at its first channel end for connecting to a water pipe and which has an outlet opening at its second channel end for emitting a water jet.
  • the filling valve according to the invention is therefore suitable for being connected to a water pipe via its access, with a jet of water being emitted through the outlet opening, which is formed from the water that has flowed into the access of the filling valve.
  • a valve which can be actuated by means of a float and which functions in a known manner is arranged in the channel of the filling valve, with reference being made to the above-mentioned documents as an example to explain the generally known functioning of the valve EP 1 862 604 A2 , EP 2 871 294 A1 , EP 3 204 561 B1 and DE 20 2011 109 017 U1 , the disclosure content of which is included in the present application in this regard.
  • a dip tube is arranged, which extends away from the outlet opening along a vertical direction and has a dip tube wall clear cross section perpendicular to the vertical direction.
  • the cross section is therefore perpendicular to the Vertical direction, and the dip tube wall revolves around the cross section with a direction of rotation perpendicular to the vertical direction.
  • the filling valve according to the invention can have further features that are explained above in connection with generic filling valves.
  • the dip tube extends vertically downwards starting from the outlet opening, and particularly preferably the dip tube is connected directly or indirectly to the channel.
  • the immersion tube can preferably be designed as a tube which has the same cross section perpendicular to the vertical direction over its vertical extent.
  • the dip tube has different diameters at different vertical sections, in particular is composed of different dip tube elements.
  • the immersion tube has a wall opening in its immersion tube wall in the vertical direction below the outlet opening of the channel, which extends over at least 2 cm along the vertical direction and which has an area of at least 100 mm 2 , in particular at least 150 mm 2 , in particular 200 mm 2 .
  • the wall opening preferably has a surface extent of at least 30%, in particular at least 70%, in particular at least 100% of the surface extent that the outside of the dip tube wall has within the vertical section which is defined by the vertical extent of the wall opening, ie its upper and lower vertical end corresponds to the upper and lower vertical ends of the wall opening.
  • the extent of the dip tube wall as such which is offset horizontally from the wall opening, is taken into account.
  • the wall opening preferably has a plurality of wall opening sections which extend over the same section of the immersion tube and which are separated from one another by immersion tube wall sections extending over the same vertical section. Between 2 and 10 are preferred, in particular between 2 and 6 such wall opening sections are provided, the wall opening preferably being formed by these wall opening sections.
  • the vertical section preferably has a vertical extension of at least 2 cm.
  • Each wall opening section preferably has a surface extent of at least 50 mm 2 , in particular at least 70 mm 2 .
  • the exit opening opens into the immersion tube and is therefore aligned with the immersion tube in such a way that the horizontal extent of the exit opening is preferably located completely within the horizontal extent of the vertical immersion tube end that points to the exit opening.
  • the diameter of the outlet opening is therefore smaller than the diameter of the dip tube at the vertical end of the dip tube facing the outlet opening or than the diameter of the dip tube at the level of the outlet opening. In particular, the diameter of the outlet opening is less than 80% of the diameter of the dip tube at its vertical end facing the outlet opening.
  • the design according to the invention ensures that water, which is released from the outlet opening in the form of a water jet, reaches the immersion tube, but at the same time a sufficiently large free path is provided through the wall opening along the vertical extent of the immersion tube so that contamination of the water pipe connected to the access of the filling valve is effectively prevented by impurities contained in the flushing water in which the dip tube is immersed.
  • the wall opening has both a sufficient length along the vertical direction and a sufficient Cross section, ie a sufficient area of the opening so that contamination, for example due to suction effects, is effectively prevented.
  • the wall opening preferably has the further advantage that the correct function of the filling valve can be checked through it when installing the filling valve in a cistern.
  • the dip tube is preferably mechanically connected to the channel of the filling valve in such a way that it is held stable thereby, in particular exclusively thereby.
  • the section of the dip tube in which the wall opening is provided is therefore preferably designed to be mechanically robust so that the dip tube is held robustly on the channel of the filling valve via this section.
  • this section can be designed in that the immersion tube has a greater wall thickness in its immersion tube wall sections surrounding the wall opening than in other vertical sections of the immersion tube, in particular a greater wall thickness than the wall thickness averaged over its vertical extent.
  • this vertical section of the immersion tube can comprise struts via which the immersion tube is mechanically connected to the channel and is held thereon.
  • the exit opening is arranged relative to the immersion tube in such a way that it opens centrally into the immersion tube, that is to say that the exit opening is located in a horizontal plane that runs perpendicular to the vertical direction, in the middle of the horizontal extent of the clear cross section of the immersion tube, with which the immersion tube points towards the exit opening.
  • the exit opening is preferably arranged centrally with respect to the diameter of the clear cross section of the dip tube, which the dip tube has immediately below the wall opening.
  • means are provided at the second channel end of the channel which determine the properties of the water jet to be released from the outlet opening in such a way that the water jet has a cross section over the entire vertical extent of the wall opening which is smaller than the diameter of the dip tube at the height of the vertical extent of the wall opening.
  • this can be achieved by providing lamination devices at the second end of the channel, via which an adequate laminar property of the water jet emerging from the outlet opening can be made possible.
  • the aim here is that the filling valve usually has to be designed in such a way that it can be connected to water pipes in which there is a water pressure between 0.1 bar and 10 bar, in particular between 2 bar and 6 bar, and is preferred across this pressure range has the properties mentioned.
  • the channel forms a nozzle at its second channel end, which forms the outlet opening and which opens into the dip tube with the outlet opening.
  • the nozzle with the exit opening opens into the center of the immersion tube, with the center of the clear cross section of the exit opening formed by the nozzle preferably coinciding with the center of the clear cross section of the vertical end of the dip tube facing the exit opening.
  • the nozzle course preferably runs along the vertical direction.
  • the Nozzle is generally a tubular section of the channel with which the channel terminates at its second channel end.
  • the nozzle can have a constant cross section over its vertical extent.
  • the nozzle tapers towards the second channel end in such a way that its clear cross section decreases along the vertical direction towards the exit opening.
  • the nozzle preferably has an extension along the vertical direction of at least 3 mm, in particular at least 5 mm.
  • splash water escaping from the wall opening can be prevented to a particular extent; in particular, such a nozzle can particularly preferably contribute to concentrating the water in the channel and thus to determining the smallest possible and predictable cross section of the water jet emerging from the outlet opening .
  • the water jet generally preferably emerges from the outlet opening along the vertical direction, and that the nozzle extends along the vertical direction with its nozzle course.
  • the filling valve as intended in a cistern in such a way that the immersion pipe runs along the vertical direction, the float for actuating the valve of the filling valve is movable along the immersion pipe and thereby along the vertical direction and opens and closes in the course of its vertical movement of the valve is ensured, with the vertical direction generally preferably running in the direction of the gravitational force acting on the earth when the filling valve according to the invention is installed as intended in a cistern.
  • a laminating device for laminating the water jet in the vertical direction above the wall opening is arranged at the second channel end, particularly preferably in the vertical direction above the Exit opening in the channel.
  • the lamination device is particularly preferably arranged in the channel and in the vertical direction above the nozzle.
  • the lamination device serves to at least partially convert a turbulent flow of water in the channel into a laminar flow, so that the turbulence is reduced or avoided as far as possible and thus a water jet that flows as laminarly as possible emerges from the outlet opening, in particular a completely laminar flowing water jet from the exit opening.
  • a wide variety of measures for implementing a lamination device are known in the prior art.
  • the lamination device in the manner of a network or a grid, the grid or the network preferably extending with its flat extent perpendicular to the vertical direction.
  • a laminating means a bundle of small tubes extending along the vertical direction.
  • the person skilled in the art is familiar with the implementation of a wide variety of lamination devices.
  • Known laminating devices are usually designed in such a way that they divide the water flow in such a way that the water flows along as large a surface as possible, with a laminar disturbance of the water preferably occurring on the surface of the laminating device.
  • the lamination device of the filling valve preferably enables lamination of the water jet at a pressure range between 0.1 bar and 10 bar, especially between 2 bar and 6 bar of water pressure applied to the filling valve inlet.
  • a flow regulator is arranged in the channel to ensure a uniform flow rate through the channel when the valve is open, regardless of the water pressure applied to the access. This depends on the flow rate of water per time.
  • Various embodiments of flow regulators are known. The basic principle of these regulators is that the clear cross section in a channel section is reduced when the water pressure at the inlet to the filling valve increases. For example, this can be ensured by an elastic membrane which is arranged in the channel and in front of a narrowing of the channel.
  • the flow regulator is designed so that when the water pressure applied at the access to the filling valve varies within a range of 2 bar to 6 bar, in particular 1 bar to 8 bar, with the filling valve open, it varies the flow rate of water per time limited to less than 30%, in particular less than 20%, based on the maximum value.
  • the inventors have recognized that the provision of a flow regulator in the filling valve according to the invention is of particular advantage, since this prevents the water jet from expanding at the level of the wall opening in the immersion tube in such a way that a non-negligible proportion of the water jet emerges laterally from the wall opening , for example through the creation of turbulence caused by flow rate or impact effects caused by flow rate.
  • a splash guard is arranged in the vertical direction below the wall opening.
  • the splash guard covers a section of the clear cross section of the dip tube near the dip tube wall and has a passage opening in the middle, based on its horizontal extent and / or the horizontal extent of the clear cross section.
  • the splash guard preferably extends from the dip tube wall, ie from the inside of the dip tube wall, which limits the clear cross section of the dip tube, to the center of the dip tube and forms a passage opening in its center, so that the splash guard has a passage opening.
  • the passage opening is arranged in alignment with the exit opening, and its diameter is larger than the diameter of the exit opening, preferably at least 5%, in particular at least 10% larger.
  • the splash guard has the particular advantage that it prevents, if possible, water that splashes vertically upwards below the wall opening due to splash effects from getting out of the wall opening and/or getting to the exit opening. This is particularly preferred
  • Splash guard panel is spaced apart from the wall opening by less than 2 cm, in particular by less than 1 cm, preferably less than 0.5 cm, along the vertical direction, ie from the vertically lower end of the wall opening.
  • the splash guard is spaced apart from the exit opening by less than 5 cm, preferably less than 3 cm, along the vertical direction. The correspondingly small distance can ensure that the water jet emerging from the outlet opening passes completely downwards in the vertical direction through the passage opening of the splash guard.
  • the filling valve is particularly preferably designed so that in an operating state in which the valve is open and the water with a Water pressure enters the channel at the access and the water jet emerges from the exit opening, the water jet has a diameter vertically immediately below the exit opening that is between 50% and 95%, in particular between 70% and 90% of the diameter of the passage opening.
  • the filling valve is designed as a hydraulic filling valve, also called a servo valve.
  • a pressure chamber is provided which has an access opening for supplying water that has entered the filling valve through the access into the pressure chamber, as well as a first and a second outlet opening.
  • a valve element connected to the float is arranged at the first outlet opening.
  • a main valve element is arranged at the second outlet opening.
  • the basic principle of such a hydraulic filling valve is that the float does not directly close the clear cross section of the channel with its buoyancy force, but that the float acts with its buoyancy force on the valve element arranged at the first outlet opening, so that to close the valve only the valve element acts against the
  • the first outlet opening must be pressed, whereby the pressure chamber is closed at this end and when operated as intended, i.e. when a water pressure is built up at the access to the pressure chamber by means of a water pipe connected to the access, through which the main valve element against one in the Channel provided valve seat is pressed and thereby closes the channel at the level of the valve seat, so that in the closed position of the valve at the level of the valve seat the channel has no clear cross section.
  • the valve element connected to the float is spaced from the first outlet opening, wherein in a closed position of the valve, the valve element connected to the float is through the Float is pressed against an edge surrounding the first outlet opening and closes the first outlet opening, wherein in the closed position a water pressure built up in the pressure chamber presses the main valve element against a valve seat provided in the channel and thereby closes the channel at the level of the valve seat.
  • the diameter of the first outlet opening is less than 10%, in particular less than 5%, of the diameter of the channel at the level of the valve seat, ie the clear cross section of the channel at the level of the valve seat in an open position of the valve in which the valve does not cover the channel closed.
  • the design of the filling valve as a hydraulic filling valve with the properties explained has proven to be particularly advantageous in the filling valve according to the invention, since this means that the filling level in a cistern can always be set very precisely, regardless of the water pressure applied at the access, at which the filling valve is in its position Closed position so that the access is separated from the exit opening and no water can get from the access to the exit opening.
  • the float With a hydraulic valve, the float only has to close a very small first outlet opening, which is why, even with high water pressure at the access, only a slight force needs to be exerted by the float on the valve element so that the first outlet opening is reliably closed.
  • the float is particularly preferably designed to actuate the valve by moving in the vertical direction moved along the dip tube.
  • the float is movably guided on the dip tube along the vertical direction, in particular movably guided along the vertical direction exclusively via the dip tube.
  • the float has a vertical underside for resting on flushing water arranged in the cistern, ie an underside which floats as intended on the surface of the flushing water arranged in the cistern.
  • the float and the valve are designed to correspond to the wall opening in such a way that the float closes the valve when it is in a closed position in which its vertical underside is located vertically below the wall opening, and that the float closes the valve starting from the closed position opens when it moves vertically downwards from its closed position and thus in the vertical direction away from the wall opening.
  • the float, valve and wall opening are designed to correspond to one another in such a way that in its closed position the float is vertically spaced at least 5 mm, in particular at least 10 mm, with its underside from the vertically lower end of the wall opening.
  • the position of the float relative to the immersion tube can be adjusted along the vertical direction via a vertical adjustment range, with the float at the vertical end of the adjustment range, at which it is closest to the wall opening in the closed position along the vertical direction, with its underside in the Closing position is arranged below the wall opening, in particular is spaced apart from the vertically lower end of the wall opening by the stated distance.
  • a splash protection element is arranged on an outside of the dip tube, in particular outside the dip tube wall, which has a protective surface section which is opposite the wall opening at every location of its flat extent in a direction perpendicular to the vertical direction and is spaced from it along this direction.
  • the protective surface section has at least 50%, in particular at least 70%, in particular at least 90%, in particular 100% of the surface extent of the wall opening. Since the splash protection element has a protective surface section which is spaced from the wall opening at each location of its surface extension via a direction assigned to the respective location and running perpendicular to the vertical direction, the splash protection element can, on the one hand, contribute to minimizing noise, since the injection molded element with the protective surface section covers the wall opening at least partially covered.
  • the splash protection element can further ensure that the wall opening fulfills the function of a free outlet. For example, if a negative pressure occurs in the water pipe, the distance between the protective surface section and the wall opening can ensure that air is sucked from the filling valve to the water pipe, which is connected to the access, instead of water in the cistern.
  • the protective surface section is designed to be uninterrupted.
  • the protective surface section has several, protective surface section areas spaced apart from one another. Particularly preferably, the surface area of the splash protection element extends beyond the wall opening and is also spaced from the immersion tube wall outside the wall opening, particularly preferably the splash protection element also overlaps with the immersion tube outside the wall opening.
  • the filling valve is generally suitable for meeting the European standard DIN EN 1717, even if the flushing water in the cistern in which the filling valve is to be used is a liquid of category 5 (health hazard due to microbial or viral pathogens) is classified according to the DIN EN 1717 standard.
  • the filling valve is therefore designed as a filling valve with a safety device in accordance with the DIN EN 1717 standard for category 5 liquids, so that the filling valve meets the DIN EN 1717 standard when it is used in a cistern in which flushing water is arranged is classified as a category 5 liquid according to the DIN EN 1717 standard.
  • the design of the filling valve according to the invention ensures that the filling valve is designed as a filling valve with a safety device against contamination of a drinking water pipe that is connected to the access to the filling valve, with contamination of the drinking water pipe connected to the access to the filling valve caused by the rinsing water a cistern in which the filling valve is arranged is switched off.
  • the splash protection element is designed to be transparent at least in sections. This means that despite what is provided of the splash protection element, it must be ensured that external inspection through the wall opening of the immersion pipe can be used to check whether the filling valve is installed correctly or is functioning. It should be noted at this point that the provision of a wall opening with a sufficiently large cross-section, as explained at the beginning as an example, is of particular advantage for checking the correct installation of the filling valve, since an assessment of the installation of the filling valve can be carried out through the wall opening.
  • a water deflection device is provided in the immersion tube vertically below the wall opening, which is designed to direct the water jet that has entered the immersion tube from the inside to the immersion tube wall below the wall opening.
  • a water deflection device can, for example, have struts running obliquely from the center of the dip tube to the inside of the dip tube wall and/or have oblique surfaces that extend obliquely along the vertical direction downwards from the center of the dip tube to the inside of the dip tube wall, and/or through curved ones Surface sections in the dip tube, which protrude into the clear cross section of the dip tube in such a way that the water jet in the dip tube is directed towards the inside of the dip tube wall.
  • the provision of such a water diverting device in the immersion pipe can also contribute to minimizing noise when the filling valve is used as intended to fill a cistern.
  • the wall opening preferably has a width in a transverse direction running perpendicular to the vertical direction, which is at least 20%, in particular at least 30%, in particular at least 50% of the extension of the dip tube in the transverse direction.
  • Arranging the wall opening as close as possible to the exit opening has the particular advantage that it can be particularly effectively prevented that water emerging from the exit opening can get out through the wall opening, since this bundling occurs when the water is bundled appropriately at the level of the exit opening can be particularly easily ensured to a sufficient extent over the vertical extent of the wall opening.
  • the immersion tube extends downwards over a vertical extension starting from the exit opening to its vertically lower end, the wall opening being arranged exclusively within the uppermost quarter of this vertical extension of the immersion tube.
  • the invention further relates to a cistern with a cistern housing that has a connection opening and a drain opening.
  • a filling valve according to the invention is connected to the connection opening; the filling valve is preferably connected to a connecting piece arranged in the connection opening.
  • the cistern also has a drain valve which is designed to close the drain opening.
  • the drain opening is arranged vertically below the filling valve. When the drain valve is in a closed position, the drain valve ensures that flushing water arranged in the cistern cannot escape from the drain opening, so that the flushing water is in can collect in the cistern.
  • the filling valve according to the invention generally preferably has the float explained above, which floats on the flushing water arranged in the cistern, so that by collecting the flushing water in the cistern, the float changes its vertical position and opens and closes the filling valve in accordance with its vertical position, so that the filling valve ensures that water always flows into the cistern exactly when the level of the flushing water is below its target level, which is determined by the position of the float in the closed position of the valve, in which the float ensures that the valve closes the channel so that in the closed position there is no fluid-carrying connection between the access and the outlet opening through the valve.
  • the immersion pipe in the cistern according to the invention opens into the cistern with its vertically lower end in the lower half, in particular in the lower third of the vertical extent of the cistern.
  • the wall opening of the filling valve is arranged exclusively within the uppermost fifth of the vertical extent of the cistern. This can be particularly effectively ensured that the wall opening is always sufficiently spaced from the maximum filling height of the flushing water in the cistern.
  • Figure 1 shows a schematic representation of a cross-sectional view of an embodiment of a filling valve according to the invention.
  • Filling valve 1 according to the invention is shown, which are important for explaining the special functionality according to the invention of the described embodiment of the filling valve 1 according to the invention.
  • FIG 1 the access 2 and the exit opening 3 of the channel of the filling valve 1 as well as the dip tube 4 and the float 9 of the filling valve 1 are shown according to the illustrated embodiment.
  • the access 2 is designed as the first channel end of the channel of the filling valve 1 and has an external thread for connection to a water pipe.
  • the outlet opening 3 is designed as the second channel end of the filling valve 1.
  • a valve is arranged which comprises a valve element 10, a main valve element 11 and a pressure chamber 12.
  • the valve element 10 is operable and connected to the float 9 in a known manner, the connection between the float 9 and the valve element 10 being in Figure 1 is not shown.
  • the pressure chamber 12 is connected to the channel of the filling valve 1 and has a first outlet opening, which can be closed by the main valve element 10, and a second outlet opening in which the main valve element 11 is arranged and relative to which the main valve element 11 is movable.
  • the filling valve 1 is in its open position when the float 9 is below its closed position along the vertical direction 2.
  • the connection between float 9 and valve element 10 is designed such that the valve element 10 is spaced from the first outlet opening of the pressure chamber 12 as long as the float 9 is below its closed position.
  • a flow regulator 8 is also arranged in the channel.
  • the flow regulator 8 has an elastic membrane which, with respect to the flow direction, is arranged in front of a through opening which forms a portion of the channel of the filling valve 1.
  • the membrane of the flow regulator 8 approaches, at least in sections, the edge surrounding this passage opening, so that the clear cross section of the channel at the level of the flow regulator 8 decreases with increasing water pressure applied to the access 2, so that the flow regulator 8 ensures that, regardless of the water pressure at the access, there is always a substantially uniform flow rate, i.e. H. Flow rate of water per time that runs through the channel when the valve and thus the filling valve 1 is in its open position, in which the access 2 is connected to the outlet opening 3 in a fluid-carrying manner.
  • the channel forms a nozzle 5 at its second channel end.
  • the nozzle 5 extends with its nozzle extension along the vertical direction 2, with the diameter and thus the clear cross section of the nozzle 5 decreasing along the vertical direction 2 towards the outlet opening 3, which is formed by the nozzle 5.
  • a lamination device 7 is arranged vertically above the nozzle 5 in the channel, which in the present case is designed in the manner of a network is. The interaction of the laminating device 7 and nozzle 5 ensures that an at least essentially laminar water jet emerges from the outlet opening, the diameter of which is determined by the diameter of the outlet opening 3, which is formed by the nozzle 5.
  • a wall opening 40 is formed in the immersion tube wall of the immersion tube 4, which is in Figure 1 is shown schematically.
  • This wall opening 40 is spaced along the vertical direction 2 by less than 3 mm from the exit opening 3, which is generally advantageous according to the invention.
  • the wall opening 40 extending under the nozzle can also be arranged to overlap with the nozzle 5 with respect to the vertical direction 2.
  • a splash guard 6 is provided in the dip tube 4. The splash guard 6 extends from the immersion tube wall to the center of the immersion tube and forms a passage opening in its center, which of course means the center with respect to the horizontal extent of the splash guard 6 with respect to the horizontal, which runs perpendicular to the vertical direction 2 is.
  • the splash guard cover 6 additionally ensuring that, if possible, there is no splashing back splash water with impurities can reach the exit opening 3 and then, if possible, no splash water, which is generated in the vertical direction 2 below the splash guard 6 in the dip tube 4, can splash out laterally out of the wall opening 40.
  • Such splash water can occur, for example, when incoming water in the immersion pipe 4 hits the water level in a cistern.
  • the maximum possible avoidance of splash water escaping through the wall opening 40 to the outside enables, on the one hand, the quietest possible filling of a cistern with the filling valve 1 according to the invention, and on the other hand, uncontrolled release of water into the cistern is prevented, depending on the elements of the cistern arranged in the cistern can be problematic.
  • the wall opening 40 which in the present case extends over a vertical length of over 2 cm and which extends over a width along a transverse direction that is perpendicular to the vertical direction 2 of over 1.5 cm, ensures that contamination of the access 2 with impurities that are in the rinsing water, which is arranged below the wall opening 40 on the dip tube 4, is effectively prevented.
  • the wall opening 40 ensures a free outlet in accordance with DIN EN 1717, which prevents contaminated flushing water located in the immersion pipe 4 below the splash guard 6 from reaching access 2 in any conceivable situation, especially when a negative pressure is provided at the access 2 of the filling valve 1 can.
  • the provision also contributes to this, as is generally advantageous according to the invention Splash guard panel 6 in combination with the nozzle 5, since the splash guard panel 6, in conjunction with the water jet bundled through the nozzle 5, effectively prevents flushing water, which is in a cistern, from splashing back to the nozzle 5 and thus the outlet opening 3 and from there can get to access 2.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
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  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Float Valves (AREA)
  • Details Of Valves (AREA)

Claims (13)

  1. Soupape de remplissage (1) pour un réservoir, la soupape de remplissage (1) comprenant un canal qui a un accès (2) à sa première extrémité pour le raccordement à une conduite d'eau et qui a une ouverture de sortie (3) à sa deuxième extrémité pour délivrer un jet d'eau, une soupape pouvant être actionnée au moyen d'un flotteur (9) étant disposée dans le canal, un tube d'immersion(4) est disposé à l'ouverture de sortie (3), lequel tube d'immersion (4) s'étend vers le bas à partir de l'ouverture de sortie (3) le long d'une direction verticale (Z) et qui renferme, avec sa paroi de tube plongeur, une section transversale claire perpendiculaire à la direction verticale (Z)
    le tube d'immersion (4) ayant une ouverture de paroi (40) dans sa paroi de tube d'immersion dans la direction verticale (Z) en dessous de l'ouverture de sortie (3) du canal, laquelle ouverture de paroi (40) s'étend le long de la direction verticale (Z) sur au moins 2 cm et a une surface d'au moins 100 mm2, l'ouverture de sortie (3) débouchant dans le tube d'immersion (4) et le diamètre de l'ouverture de sortie (3) étant inférieur au diamètre, en particulier inférieur en particulier inférieur à 80 % du diamètre du tube d'immersion (4) à son extrémité verticale en face de l'ouverture de sortie (3), la soupape de remplissage (1) ayant une chambre de pression (12) qui a une ouverture d'accès pour alimenter l'eau qui a pénétré dans la soupape de remplissage (1) par l'accès (2) dans la chambre de pression (12), et une première et une deuxième ouverture de sortie, un élément de soupape (10) relié au flotteur (9) étant disposé à la première ouverture de sortie et un élément de soupape principal (11) étant disposé à la deuxième ouverture de sortie, dans une position ouverte de la soupape, l'élément de soupape (10) relié au flotteur (9) étant éloigné de la première ouverture de sortie et, dans une position fermée de la soupape, l'élément de soupape (10) relié au flotteur (9) étant pressé par le flotteur (9) contre un bord entourant la première ouverture de sortie et fermant la première ouverture de sortie, dans la position fermée, la pression de l'eau accumulée dans la chambre de pression (12) pressant l'élément de soupape principal (11) contre un siège de soupape prévu dans le canal et fermant ainsi le canal au niveau du siège de soupape, le diamètre de la première ouverture de sortie étant en particulier inférieur à 10 % du diamètre du canal au niveau du siège de soupape.
  2. Soupape de remplissage (1) selon la revendication 1, caractérisée en ce que
    le canal forme à sa deuxième extrémité une buse (5) qui forme l'ouverture de sortie (3) et qui débouche avec l'ouverture de sortie (3) dans le tube d'immersion (4), en particulier débouche au centre du tube d'immersion (4) .
  3. Soupape de remplissage (1) selon l'une des revendications précédentes,
    caractérisée en ce que
    un dispositif de laminage (7) pour laminer le jet d'eau dans la direction verticale (Z) est disposé au-dessus de l'ouverture de paroi (40) à la deuxième extrémité du canal.
  4. Soupape de remplissage (1) selon la revendication 2 ou selon la revendication 3, si elle dépend de la revendication 2,
    caractérisée en ce que
    le dispositif de laminage (7) est disposé dans le canal et dans la direction verticale (Z) au-dessus de la buse (5) .
  5. Soupape de remplissage (1) selon l'une des revendications précédentes, caractérisée en ce que
    un régulateur de débit (8) est disposé dans le canal pour assurer un débit uniforme dans le canal lorsque la vanne est ouverte, quelle que soit la pression d'eau appliquée à l'entrée (2).
  6. Soupape de remplissage (1) selon l'une quelconque des revendications précédentes,
    caractérisée en ce que
    dans le tube d'immersion (4), en particulier dans la direction verticale (Z) au-dessous de l'ouverture de paroi (40), il y a une protection contre les éclaboussures (6) qui s'étend en particulier à partir de la paroi du tube d'immersion jusqu'au centre du tube d'immersion (4) et qui a une ouverture de passage qui est disposée dans l'alignement de l'ouverture de sortie (3) et dont le diamètre est plus grand que le diamètre de l'ouverture de sortie (3), la soupape de remplissage (1) étant en particulier conçue de telle manière que dans un état de fonctionnement dans lequel la soupape est ouverte et l'eau entre dans le canal avec une pression d'eau à l'accès (2) et le jet d'eau sort de l'ouverture de sortie (3), le jet d'eau a un diamètre directement vertical sous l'ouverture de sortie (3) qui est compris entre 50% et 95%, en particulier entre 70% et 90% du diamètre de l'ouverture de passage.
  7. Soupape de remplissage (1) selon l'une des revendications précédentes,
    caractérisée en ce que
    le flotteur (9) est adapté pour actionner la soupape en se déplaçant dans la direction verticale (Z) le long du tube d'immersion (4), le flotteur (9) ayant une face inférieure verticale pour reposer sur l'eau de rinçage disposée dans la citerne, le flotteur (9) et la soupape étant configurés en correspondance avec l'ouverture de paroi (40) de telle sorte que le flotteur (9) ferme la soupape lorsqu'il est dans une position fermée dans laquelle sa face inférieure verticale est verticalement en dessous de l'ouverture de paroi (40) et que le flotteur (9) ouvre la soupape à partir de la position fermée lorsqu'il se déplace verticalement vers le bas à partir de sa position fermée et donc dans la direction verticale (Z) en s'éloignant de l'ouverture de paroi (40) .
  8. Soupape de remplissage (1) selon l'une des revendications précédentes,
    caractérisée en ce que
    un élément de protection contre les éclaboussures est disposé sur un côté extérieur du tube d'immersion (4), lequel élément de protection contre les éclaboussures a une section de surface de protection qui, à chaque endroit de son extension plane, est opposée à l'ouverture de paroi (40) dans une direction perpendiculaire à la direction verticale (Z) et est espacée d'elle le long de cette direction, la section de la surface de protection a au moins 50%, en particulier au moins 70%, en particulier au moins 90%, de l'extension plane de l'ouverture de paroi (40), et l'élément de protection contre les éclaboussures s'étend en particulier avec son extension plane au-delà de l'ouverture de paroi (40) et est également espacé de la paroi de tube d'immersion à l'extérieur de l'ouverture de paroi (40).
  9. Soupape de remplissage (1) selon la revendication 8,
    caractérisée en ce que
    l'élément de protection contre les éclaboussures est transparent au moins en partie.
  10. Soupape de remplissage (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    un dispositif de direction de l'eau est prévu dans le tube d'immersion (4) verticalement sous l'ouverture de paroi (40), qui est conçu pour diriger le jet d'eau pénétrant dans le tube d'immersion (4) sous l'ouverture de paroi (40) de l'intérieur vers la paroi du tube d'immersion.
  11. Soupape de remplissage (1) selon l'une des revendications précédentes,
    caractérisée en ce que
    l'ouverture de paroi (40) a, dans une direction transversale perpendiculaire à la direction verticale (Z), une largeur qui est au moins 20%, en particulier au moins 30%, en particulier au moins 50%, de l'étendue du tube d'immersion (4) dans la direction transversale.
  12. Soupape de remplissage (1) selon l'une des revendications précédentes,
    caractérisée en ce que
    l'ouverture de paroi (40) est espacée de moins de 2 cm, en particulier de moins de 1 cm de l'ouverture de sortie (3) le long de la direction verticale (Z), en particulier le tube d'immersion (4) s'étendant vers le bas sur une étendue verticale à partir de l'ouverture de sortie (3) jusqu'à son extrémité inférieure verticale et l'ouverture de paroi (40) étant disposée exclusivement dans le quart supérieur de cette étendue verticale du tube d'immersion (4) .
  13. Réservoir comportant un corps de réservoir avec un orifice de raccordement et un orifice de vidange, une soupape de remplissage (1) selon l'une des revendications précédentes étant relié à l'orifice de raccordement, et le réservoir comportant une soupape de vidange destiné à fermer l'orifice de vidange, l'orifice de vidange étant placé sous la soupape de remplissage (1) dans la direction verticale (Z), en particulier, le tube d'immersion (4) débouchant dans le réservoir avec son extrémité inférieure dans la moitié inférieure, en particulier dans le tiers inférieur, de l'étendue verticale du réservoir, en particulier l'ouverture de paroi (40) de la soupape de remplissage (1) étant disposée exclusivement dans le cinquième supérieur de l'étendue verticale du réservoir.
EP19173488.8A 2019-05-09 2019-05-09 Soupape de remplissage pourvue de protection contre la contamination Active EP3736388B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19173488.8A EP3736388B1 (fr) 2019-05-09 2019-05-09 Soupape de remplissage pourvue de protection contre la contamination

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19173488.8A EP3736388B1 (fr) 2019-05-09 2019-05-09 Soupape de remplissage pourvue de protection contre la contamination

Publications (2)

Publication Number Publication Date
EP3736388A1 EP3736388A1 (fr) 2020-11-11
EP3736388B1 true EP3736388B1 (fr) 2023-11-22

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1609275A1 (de) * 1965-02-18 1970-02-12 Schenk Emil Schwimmergesteuertes Fuellventil fuer Klosettspuelkasten und sonstige Fluessigkeitsbehaelter
DE3201040A1 (de) * 1982-01-15 1983-07-28 Ideal-Standard Gmbh, 5300 Bonn Einlassventil fuer einen klosettspuelkasten o.dgl. fluessigkeitsreservoir
DK1862604T3 (en) 2006-06-02 2017-07-17 Sanitärtechnik Eisenberg GmbH filling valve
DE202011109017U1 (de) 2011-12-14 2013-03-20 Viega Gmbh & Co. Kg Füllventil für einen Toiletten- oder Urinal-Spülkasten
PT2871294T (pt) 2013-11-12 2018-10-24 Geberit Int Ag Guarnição de entrada para um autoclismo uma guarnição de entrada (1) para enchimento
DE102014114548A1 (de) 2014-10-07 2016-04-07 Tece Gmbh Füllventil

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