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EP3981927B1 - Hydraulisches ventil für toilettenspülung mit doppelter spülung - Google Patents

Hydraulisches ventil für toilettenspülung mit doppelter spülung Download PDF

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Publication number
EP3981927B1
EP3981927B1 EP21200855.1A EP21200855A EP3981927B1 EP 3981927 B1 EP3981927 B1 EP 3981927B1 EP 21200855 A EP21200855 A EP 21200855A EP 3981927 B1 EP3981927 B1 EP 3981927B1
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EP
European Patent Office
Prior art keywords
aforesaid
caisson
rod
tubular element
valve
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.)
Active
Application number
EP21200855.1A
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English (en)
French (fr)
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EP3981927A1 (de
EP3981927C0 (de
Inventor
Riccardo BAMPI
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Bampi SpA
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Bampi SpA
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Publication of EP3981927A1 publication Critical patent/EP3981927A1/de
Application granted granted Critical
Publication of EP3981927C0 publication Critical patent/EP3981927C0/de
Publication of EP3981927B1 publication Critical patent/EP3981927B1/de
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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
    • E03D1/02—High-level flushing systems
    • E03D1/14—Cisterns discharging variable quantities of water also cisterns with bell siphons in combination with flushing valves
    • E03D1/142—Cisterns discharging variable quantities of water also cisterns with bell siphons in combination with flushing valves in cisterns with flushing valves
    • E03D1/144—Cisterns discharging variable quantities of water also cisterns with bell siphons in combination with flushing valves in cisterns with flushing valves having a single flush outlet and an additional float for delaying the valve closure
    • 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
    • E03D1/34—Flushing valves for outlets; Arrangement of outlet valves
    • E03D1/35—Flushing valves having buoyancy
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
    • E03D5/02—Special constructions of flushing devices, e.g. closed flushing system operated mechanically or hydraulically (or pneumatically) also details such as push buttons, levers and pull-card therefor
    • E03D5/024—Operated hydraulically or pneumatically

Definitions

  • the present invention concerns the field of hydraulic valves and, in particular, a hydraulic valve for dual-flush toilet flush adapted to carry out a first water draining, so-named partial, and a second water draining, so-named complete.
  • the older toilet flush systems of the pneumatic type comprise a lift placed in a so-called drain unit housed inside the flush tank, on which it is possible to act by activating a remote button connected thereto via a walled pipe, generally made of copper.
  • a drain system adapted to choke the draining water by providing at least one so-named partial draining and one so-named complete draining should work by using only one air passage, however the modern toilet flush tank systems use two air passages, two pipes in practice.
  • the technical problem underlying the present invention has been to providing a hydraulic valve for toilet flush adapted to carry out a first, so-named partial, water draining and a second, so-named complete, water draining able to overcome the drawbacks mentioned above with reference to the known art.
  • a hydraulic valve for dual-flush toilet flush comprising:
  • the aforesaid tubular element is a so-named overflow pipe, wherein the at least one opening of the first end portion and the at least one opening of the second end portion can be provided coaxial to each other, or one or both can be provided on the side of the tubular element, substantially as windows on a side wall of the tubular element.
  • the at least one opening provided at the aforesaid first end portion is arranged below the aforesaid gasket which is thus, in addition to being a hydraulic sealing element for the closing of the passage for draining water, arranged in a position between the at least one opening of the first end portion and the at least one opening of the second end portion of the aforesaid tubular element, since a function of the aforesaid tubular element is, among others, that of preventing flooding whenever the filling float cup of the toilet flush tank, which filling float cup is in practice always present in the toilet flush tank, should not work properly.
  • the present valve in use, is to be considered combined with activation means operated by a user, which are in particular active on the aforesaid movement means which in turn act, through the aforesaid restoring means, on the aforesaid tubular element on which the aforesaid sealing gasket of the valve is mounted.
  • the aforesaid movement means can be activated pneumatically or mechanically, depending on the activation means, as will become clearer hereunder and, in any case, allow to switch from the aforesaid resting or closing position of the valve to the aforesaid first draining or opening position of the valve for draining a preset amount of water, for example of about 3 liters, 4 liters or 5 liters (partial draining), and further allow to switch from the aforesaid resting or closing position of the valve to the aforesaid second draining or opening position of the valve for draining a preset amount of water, for example of about 9 liters (complete draining), depending on the user's command, i.e.
  • the aforesaid movement means comprise a raising flat bar combined with the aforesaid casing at the aforesaid second end portion of the aforesaid tubular element, which, following the activation of the activation means by the user via a first control, rises of a first preset length, for example of about 2 cm, for the partial water draining, by moving the aforesaid tubular element and thus raising the aforesaid gasket of the same first preset length, in particular by acting on, i.e. by pushing upwards, the aforesaid restoring means on which the raising flat bar is directly active and which in turn, as said, are integral with the tubular element.
  • a first preset length for example of about 2 cm
  • the aforesaid raising flat bar acts on the aforesaid rod-like element, i.e. moves the latter by pushing it upwards, in particular at the exceeding of a preset displacement of the aforesaid tubular element following the activation of the activation means by the user via a second control.
  • the raising flat bar and thus the tubular element with the aforesaid gasket are raised of a second preset length greater than the aforesaid first preset length, for example of about equal to or greater than 3 cm, for the complete water draining, whereas the aforesaid restraining means keep the rod-like element raised in the aforesaid position of no-interference with the aforesaid caisson-like element which is thus no longer locked by the rod-like element and thus free to float in the water contained inside the toilet flush tank.
  • the flotation of the aforesaid caisson-like element no longer locked by the aforesaid rod-like element determines a rotation of limited extent of the caisson-like element itself or, rather, an inclination of the caisson-like element, however sufficient to lock the tubular element raised of the aforesaid second preset length until the water inside the toilet flush tank drops to the level of the caisson-like element, or immediately below the level of the caisson-like element, thus interrupting its flotation and restoring a position substantially no longer tilted of the caisson-like element which thus, by no longer interfering with the tubular element, allows the free, downward, movement of the tubular element itself.
  • the aforesaid rod-like element comprises a stem and a head jutting out with respect to the stem
  • the aforesaid raising flat bar comprises a first hole engaged by the aforesaid rod-like element, wherein, in the aforesaid resting position, the aforesaid stem extends on both sides of the aforesaid first hole.
  • the aforesaid raising flat bar, at the aforesaid first hole is provided with a seat for housing the aforesaid head of the rod-like element which makes a tubular portion for containing a portion of the stem also in the aforesaid resting position.
  • the aforesaid raising flat bar comprises a second hole engaged by the aforesaid tubular element.
  • the aforesaid restoring means comprise a crosspiece combined with the aforesaid tubular element, more preferably removably, which crosspiece extends above the aforesaid raising flat bar at least on the side of the aforesaid rod-like element.
  • the aforesaid restraining means comprise a couple of elements between which a magnetic interaction develops, wherein the aforesaid couple of elements more preferably comprises a fixed element housed inside the aforesaid casing and a movable element integral with the aforesaid rod-like element, wherein the aforesaid movable element is even more preferably integral with the aforesaid stem.
  • the aforesaid fixed element is a ring and the aforesaid rod-like element, thus the aforesaid stem, crosses the aforesaid ring, wherein the aforesaid movable element is more preferably a plug combined, on the inside or outside, with the aforesaid stem.
  • the aforesaid caisson-like element comprises a lower flotation chamber, and more preferably comprises an upper tank, wherein the aforesaid flotation chamber even more preferably has a volume greater than the volume of the aforesaid tank.
  • the aforesaid caisson-like element is arched and extends around the aforesaid tubular element.
  • the aforesaid caisson-like element comprises at least one hooking element and more preferably comprises a couple of hooking elements.
  • the aforesaid at least one hooking element is rod-shaped.
  • the aforesaid casing comprises at least one supporting element and more preferably comprises a couple of supporting elements.
  • the aforesaid at least one supporting element is substantially fork-shaped, more preferably fork-shaped with two or three arms.
  • the aforesaid at least one hooking element is combined with the aforesaid at least one supporting element such as the aforesaid caisson-like element can oscillate, by tilting, around an axis substantially perpendicular to the aforesaid tubular element, more preferably an axis passing through the aforesaid at least one hooking element.
  • the aforesaid tubular element is provided with at least one ridge or outer rib extending longitudinally on the aforesaid side wall, and more preferably comprises a couple of outer ribs of the aforesaid type and parallel to each other.
  • the aforesaid at least one rib extends over a preset limited length on the aforesaid side wall, at a preset distance from the aforesaid gasket.
  • the aforesaid caisson-like element comprises at least one countering element adapted to interfere with the aforesaid at least one rib when the aforesaid rod-like element is in the aforesaid position of no interference with the aforesaid caisson-like element.
  • the aforesaid caisson-like element comprises a couple of countering elements of the aforesaid type at the aforesaid couple of ribs.
  • the aforesaid at least one countering element is tooth- or step-shaped.
  • the aforesaid valve comprises a float cup housed inside the aforesaid casing and active on the aforesaid tubular element.
  • the aforesaid float cup is provided with a first hole engaged by the aforesaid rod-like element.
  • the aforesaid float cup is provided with a second hole engaged by the aforesaid tubular element.
  • the aforesaid valve comprises stop means which can act on the aforesaid float cup.
  • the aforesaid stop means comprise at least one jutting element which is jutting out from the aforesaid side wall of the aforesaid tubular element, wherein the aforesaid jutting element is more preferably aligned with the aforesaid at least one rib.
  • the aforesaid stop means comprise a ring-like element, more preferably an open ring-like element, even more preferably elastic, combined with the aforesaid tubular element and arranged below the aforesaid at least one jutting element.
  • the aforesaid valve comprises one adjustment element which can act on the aforesaid float cup and which is thus adapted to determine the extent of the movement, wherein the aforesaid adjustment element more preferably has a threaded length movable from the outside of the aforesaid casing.
  • the aforesaid casing has a bottom which more preferably is at least partially open.
  • the aforesaid casing comprises guiding means for guiding the aforesaid tubular element, which are more preferably arranged at the aforesaid bottom, wherein the aforesaid guiding means act even more preferably on the aforesaid at least one rib.
  • the aforesaid casing has an open top and the aforesaid valve comprises a lid combined with the aforesaid top, wherein the aforesaid lid is provided with at least one opening and wherein the aforesaid raising flat bar is combined with the aforesaid lid.
  • the aforesaid movement means comprise, in addition to the aforesaid raising flat bar, pneumatic means or mechanical means acting on the aforesaid raising flat bar and adapted to be operated by the activation means controlled by the user.
  • the aforesaid pneumatic means comprise a pneumatic lift, preferably a bellows whose elongated shape allows it to easily expand in the length direction, arranged below the aforesaid raising flat bar, and a fitting connected to the aforesaid pneumatic lift and adapted to be connected, via a duct, to a remote dual-command button for the activation, by air thrust, of the aforesaid valve through the aforesaid first control or the aforesaid second control operated by the user, wherein, according to the invention, the aforesaid fitting is one way, i.e. adapted to be combined with one duct only.
  • the aforesaid valve comprises a cylindrical seat and a guiding cylinder movable in the aforesaid cylindrical seat, inside which the aforesaid pneumatic lift is housed, thus the aforesaid bellows, wherein the aforesaid cylindrical seat is more preferably obtained in the aforesaid lid.
  • the aforesaid mechanical means comprise a little anchor combined with the aforesaid raising flat bar and a hook combined with the aforesaid little anchor and adapted to be combined with mechanical activation means, for example a remote dual-command device for the activation of the aforesaid valve via the aforesaid first control or the aforesaid second control operated by the user.
  • the aforesaid valve comprises a basket combined with the aforesaid casing at the aforesaid bottom, more preferably removably, wherein the aforesaid basket even more preferably comprises a threaded end length.
  • 1 generally denotes a hydraulic valve for dual-flush toilet flush according to the present invention.
  • valve 1 allows to transform old toilet flush tanks designed and structured, with a respective hydraulic system, to provide only one type of water draining, in a dual-flush toilet tank able to provide a first, so-named partial, water draining and a second, so-named complete, water draining without carrying out invasive masonry works in the environment in which the toilet flush tank is arranged, or anyhow without the need to carry out invasive adaptations to the hydraulic system dedicated to the flush tank.
  • valve 1 essentially comprises a casing 2 intended to be combined with a passage for draining water from the toilet flush, i.e. from the toilet flush tank,
  • the tubular element 3 is a so-named overflow pipe in which the at least one opening of the first end portion 4 and the at least one opening of the second end portion 5 can be provided coaxial to each other, or both can be provided on the side of the tubular element 3, substantially as windows on a side wall 14 of the tubular element 3, or even only one of the aforesaid openings of the tubular element 3 can be provided as a window on the side wall 14, whereas the other can be arranged substantially crosswise on the tubular element 3, the latter arrangement corresponding to the examples of the aforesaid figures.
  • the tubular element 3 is shown with a lower opening 6 and with a couple of openings 7 arranged on top of the side wall 14, wherein the lower opening 6, i.e. the one arranged at the first end portion 4 of the tubular element 3, is arranged below the gasket 8.
  • the present valve in use, is to be considered combined with activation means operated by a user and which are not shown in the examples of the figures and which are active on the movement means 9 which in turn act, via the restoring means 13, on the tubular element 3 on which the sealing gasket of the valve is mounted.
  • the movement means can be activated pneumatically or mechanically, depending on the activation means, as will become clearer hereunder and, in any case, allow to switch from the aforesaid resting or closing position of the valve to the aforesaid first draining or opening position of the valve for draining a preset amount of water, for example of about 3 liters, 4 liters or 5 liters (partial draining), and further allow to switch from the aforesaid resting or closing position of the valve to the aforesaid second draining or opening position of the valve for draining a preset amount of water, for example of about 9 liters (complete draining), depending on the command operated by the user, i.e. depending on the action of the user on the activation means provided with two different consents.
  • the aforesaid movement means comprise a raising flat bar 15 combined with the casing 2 at the second end portion 5 of the tubular element 3, which, following the activation of the activation means by the user via a first control or consent (for example a small button of the activation means), rises of a first preset length, for example of about 2 cm, for the partial water draining, in particular by moving the tubular element 3 and thus raising the gasket 8 of the same first preset length, more in particular by acting on, i.e. by pushing upwards, the restoring means 13 on which the raising flat bar 15 is directly active and which in turn, as said, are integral with the tubular element 3.
  • a first preset length for example of about 2 cm
  • the raising flat bar 15 acts on the rod-like element 11, i.e. moves the latter by pushing it upwards, in particular at the exceeding of a preset displacement of the tubular element 3 following the operation of the activation means by the user via a second command or consent (for example a big button of the activation means).
  • the raising flat bar 15 and, thus, the tubular element 3 with the gasket 8 are raised of a second preset length greater than the aforesaid first preset length, for example about equal to or greater than 3 cm, for the complete water draining, whereas the restraining means 12 keep the rod-like element 11 raised in the aforesaid position of no-interference with the caisson-like element 10 which is thus no longer locked by the rod-like element 11 and thus free to float in the water contained inside the toilet flush tank.
  • the flotation of the caisson-like element 10 no longer locked by the rod-like element 11 determines a rotation of limited extent of the caisson-like element itself or, rather, an inclination of the caisson-like element 10, however sufficient to lock the tubular element 3 raised of the aforesaid second preset length until the water inside the toilet flush tank drops to the level of the caisson-like element, or immediately below the level of the caisson-like element, thus interrupting its flotation and restoring a position substantially no longer tilted of the caisson-like element 10 which thus, by no longer interfering with the tubular element 3, allows the free, downward, movement of the tubular element 3 itself.
  • the tubular element 3 itself tends to return into the resting position by dragging along the restoring means 13, whose descent unlocks the rod-like element 11 from the action of the restraining means 12, thereby the rod-like element 11 also returns into the initial position, i.e. the position of interference with the caisson-like element 10.
  • the rod-like element 11 comprises a stem 16 and a head 17 jutting out with respect to the stem 16, whereas the raising flat bar 15 comprises a first hole 18 engaged by the rod-like element 11, in which, in the aforesaid resting position, the stem 16 extends on both sides of the first hole 18.
  • the raising flat bar 15, at the first hole 18, is provided with a seat 19 for housing the head 17 of the rod-like element 11 which makes a tubular portion for containing a portion of the stem 16 also in the resting position, and is further provided with a second hole 20 engaged by the tubular element 3.
  • the restoring means 13 comprise a crosspiece 21 removably combined, via a fitting 22, with the tubular element 3, wherein the fitting 22 comprises openings which overlap the openings 7 of the second end portion 5 of the tubular element 3, and wherein the crosspiece 21 extends above the raising flat bar 15 at least from the side of the rod-like element 11 which, it should be reminded, is in practice, so to speak, activated only when the so-named complete water draining is carried out through the aforesaid second control, its function being that, so to speak, of in turn activating the caisson-like element.
  • restraining means 12 comprise a couple of elements between which a magnetic interaction develops.
  • the aforesaid couple of elements between which a magnetic interaction develops comprises a fixed element 23 housed inside the casing 2 and a movable element 24 integral with the rod-like element 11, particularly integral with the stem 16.
  • the fixed element 23 is a ring engaged by the rod-like element 11 and the movable element 24 is combined outside the stem 16, wherein the fixed element 23 is advantageously combined at a lower end of the aforesaid tubular portion of the raising flat bar 15, the possibility of arranging the aforesaid fixed element differently not however being excluded.
  • the caisson-like element in the field also known as palettamento ("blading"), it should be noted that its position substantially determines the level of the amount of water to be drained and its function is substantially that of allowing the complete draining of the toilet flush.
  • the position of the caisson-like element is calculated such as to allow to leave a minimum water content, however sufficient to prevent gurgling and noises at the end of the drain, inside the flush tank, thus making the present valve more silent than the valves present in the old toilet flush systems.
  • the caisson-like element 10 comprises a lower flotation chamber 25 and an upper tank 26, wherein the flotation chamber 25 has a volume greater than the volume of the tank 26.
  • the flotation chamber 25 facilitates the necessary rotary movement or inclination of the caisson-like element 10, whereas the tank 26 confers more weight to the caisson-like element 10 by keeping the water also after flushing, thus facilitating the return to the not tilted position.
  • the caisson-like element 10 is arched and extends around the tubular element 3 with respect to which, as mentioned above, it can oscillate when free to float, thus determining its locking in the aforesaid second draining position.
  • the caisson-like element 10 comprises at least one hooking element and preferably comprises a couple of hooking elements, each denoted by 27 and substantially rod-shaped, such as a pin, for being combined with the casing 2.
  • the casing 2 in turn comprises at least one supporting element and preferably comprises a couple of supporting elements, each denoted by 28 and essentially fork-shaped, in particular fork-shaped with two or three arms.
  • the hooking elements 27 of the caisson-like element 10 are thus combined with the supporting elements 28 of the casing 2, such as the caisson-like element 10 can oscillate, by tilting, around an axis substantially perpendicular to the tubular element 3, thus to an axis passing through the hooking elements 27, thus locking the tubular element 3 once free from the interference with the rod-like element 11.
  • the tubular element 3 is provided with at least one ridge or outer rib extending longitudinally on the side wall 14 and preferably comprises a couple of outer ribs of the aforesaid type, parallel to each other, each denoted by 29, whereas the caisson-like element 10 comprises at least one countering element adapted to interfere with the aforesaid at least one rib, and preferably comprises a couple of countering elements of the aforesaid type, each denoted by 30, arranged at the couple of ribs 29.
  • the ribs 29 extend over a preset limited length on the side wall 14, at a preset distance from the gasket 8, whereas the countering elements 30 are tooth shaped or, as shown in the examples of the aforesaid figures, step shaped, such as to interfere with, i.e. constitute a stop or support for, the ribs 29.
  • valve according to the present invention preferably further comprises a float cup 31 which is housed inside the casing 2 and which acts on the tubular element 3.
  • the float cup 31 is provided with a first hole engaged by the rod-like element 11 and with a second hole engaged by the tubular element 3.
  • the float cup 31 facilitates the partial water draining by favoring the raising of the tubular element 3 since it is not locked but free to slide, at least for a length, on the tubular element 3, thus facilitating its ascent when the aforesaid activation means are activated thanks to its buoyancy.
  • valve 1 advantageously further comprises stop means adapted to act on the float cup 31 and generally denoted by 32.
  • the stop means 32 comprise at least one jutting element which is jutting out from the aforesaid side wall of the tubular element and, according to the example of the aforesaid figures, they comprise a couple of jutting elements of the aforesaid type, each denoted by 33, and a ring-like element 34, particularly an open ring-like element, advantageously elastic, combined with the tubular element 3 and arranged below the jutting elements 33.
  • the jutting elements 33 are advantageously aligned with the ribs 29 of the tubular element.
  • the stop means 32 prevent the float cup 31 from rising more than needed inside the casing 2.
  • valve according to the present invention can further comprise an adjustment element 35 which can be arranged such as to act on the float cup 31 and which is adapted to determine the extent of the movement of the float cup 31.
  • the adjustment element 35 is in the form of a stem having a threaded length movable by the user from the outside of the casing 2.
  • the adjustment element 35 when adjusted for the purpose, acts on the thrusting or raising float cup of the present valve, i.e. on the float cup 31, by beating on its upper surface, thus reducing or increasing the travel when rising, it being able to be screwed or unscrewed according to need.
  • Preferred float cups have a volume of about 200 mm 3 , well adapted to also compensate the thrust exerted by the water on the closing gasket.
  • the casing 2 has a partially open bottom at which it is provided with guiding means 36 for guiding the tubular element 3, which guiding means can be in the form of a ring or a ring length such as an arch, engaged by the tubular element 3 and possibly provided with cuts inside which the ribs 29 arranged on the side wall 14 of the tubular element 3 can slide.
  • the guiding means 36, as well as the supporting elements 28, can be made in one piece with a bottom portion of the casing 2 or can be made in a removable bottom of the casing 2, such as shown in the examples of the aforesaid figures in which such removable bottom is denoted by 2a.
  • the partially open bottom of the casing 2 regulates a proper flow of the water which also flows inside the valve 1 and furthermore facilitates the staying in position of the caisson-like element 10.
  • the casing 2 according to the examples of the aforesaid figures, further has an open top to which a lid 37, with which the valve 1 is provided, is combined.
  • the lid 37 is provided with one or more openings for the passage and centering of the tubular element 3 and of the rod-like element 11 and is in particular further provided with a seat for accommodating the aforesaid tubular portion of the raising flat bar 15 which is thus combined with the casing 2 by the lid 37.
  • the raising flat bar 15 is combined on top with the lid 37 at its opening or openings.
  • the lid 37 is further provided with a threaded hole engaged by the adjustment element 35 with which it is possible to adjust the extent of the partial water draining.
  • the aforesaid pneumatic means comprise a pneumatic lift 39 of the bellows type, for example made of silicone with parallel coils, arranged below the raising flat bar 15, and a fitting 40 connected to the pneumatic lift 39 and adapted to be connected, via a duct, to a remote dual-command button for the activation, by air thrust, of the valve 1 through the aforesaid first control or the aforesaid second control operated by the user.
  • valve 1 preferably further comprises a cylindrical seat 41 and a movable cylinder guide 42 arranged in the seat 41, inside which the pneumatic lift 39 is housed.
  • the seat 41 which is provided with an opening for the passage of the fitting 40, is advantageously obtained in the lid 37.
  • the cylinder guide 42 moved by the pneumatic lift 39 when the activation means are operated, pushes the raising flat bar 15 upwards, hence the restoring means 13 together with the tubular element 3 with the gasket 8.
  • the cylinder guide 42 stabilizes the pneumatic lift 39 during its travel and increases its thrusting efficiency.
  • valve according to the present invention can further comprise a basket 43 which is removably combined with the bottom of the casing 2 by means of prearranged hooking means, and which can advantageously comprise a threaded end length 44 useful for the connection with the aforesaid passage of the outflow water draining pipe.
  • the basket 43 provides a useful connection between the present valve and the draining system.
  • the valve 1 can be operated by connecting it through a single duct with a remote pneumatic dual-command button, comprising for example a first control, for example a first button, of reduced travel with respect to the travel of a second control, for example a second button.
  • a remote pneumatic dual-command button comprising for example a first control, for example a first button, of reduced travel with respect to the travel of a second control, for example a second button.
  • a valve 101 is shown as quite similar to the valve 1 shown above and to which the description refers, except for the fact that, as mentioned above, the aforesaid movement means further comprise, in addition to a raising flat bar 15, mechanical means instead of pneumatic means active on the raising flat bar 15.
  • the aforesaid mechanical means comprise a little anchor 139 combined with the raising flat bar 15 and a hook 140 combined with the little anchor 139 and adapted to be combined with activation means of the mechanical type, for example a remote dual-command device for the activation of the valve 101 via the aforesaid first control or the aforesaid second control operated by the user, the aforesaid activation means of the mechanical type not being in the examples of the figures shown.
  • a casing 2, a tubular element 3, restoring means 13, a lid 37 and a basket 43 are also depicted in the example of figures 13-15 , reminding that, as specified above, aside from the aforesaid mechanical means which replace the pneumatic means, the valve 101 is quite similar to the valve 1.
  • a hydraulic valve for toilet flush which in the pneumatic version can be driven by a single air passage, for example by means of a preexisting pipe arranged inside a wall, adapted to carry out, via two different possibilities, both a partial water draining and a complete water draining, and which thus allows to replace all the old draining systems able to provide a single type of draining thus avoiding invasive masonry works, is provided.
  • the present invention allows for a quick and economic transformation of the old toilet flush systems, quick installation of the valve and economic in its use, which generally allows to save up to 50% of drinking water with a consequent significant saving on the respective bills.
  • the present valve can be installed in any type of toilet flush tank, both recessed and external, by adapting itself to all solutions despite the level of water is generally at a different height in various types of toilet flush tanks, for example maximum of about 19 cm in high tanks or medium height tanks versus about 30 cm in recessed tanks.
  • the present valve can advantageously operate both in a toilet flush system with pneumatic activation, thus as a pneumatic unit, and in a toilet flush system with mechanical activation, thus as a mechanical unit, substantially by changing only part of the movement means of the valve without needing to make structural changes and without needing to provide particular or further accessories for adapting from a pneumatic system to a mechanical one or vice-versa, thus being suitable for all types of toilet flush tanks.
  • this possibility provides the entire chain, from production to marketing, to reduce the number of models and respective warehouse stocks.

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Sanitary Device For Flush Toilet (AREA)

Claims (14)

  1. Hydraulisches Ventil für eine Toilettenspülung mit dualer Spülung, umfassend:
    ein Gehäuse (2), das einer Passage zum Ablauf von Wasser aus der Toilettenspülung zugeordnet werden kann,
    ein rohrförmiges Element (3), das zumindest teilweise in dem Gehäuse (2) aufgenommen und beweglich ist und einen ersten Endabschnitt (4) und einen zweiten Endabschnitt (5) aufweist, die in Fluidverbindung miteinander stehen und jeweils mindestens eine entsprechende Öffnung (6, 7) aufweisen,
    eine Dichtung (8), die mit dem ersten Endabschnitt (4) des rohrförmigen Elements (3) einteilig und im Wesentlichen senkrecht zu diesem ist, um die Passage zum Ablauf von Wasser zu schließen und zu öffnen,
    Bewegungsmittel (9), die dafür vorgesehen sind, mit durch einen Benutzer betätigten Betätigungsmitteln kombiniert zu werden, wobei die Bewegungsmittel (9) auf das rohrförmige Element (3) einwirken, um es zwischen einer dem oben genannten Verschließen entsprechenden Ruhestellung und mindestens einer ersten Wasserablaufstellung und einer zweiten Wasserablaufstellung, die dem oben genannten Öffnen entsprechen, zu verschieben,
    ein kastenartiges Element (10), das mit dem Gehäuse (2) an einem Endabschnitt desselben auf der Seite des ersten Endabschnitts (4) des rohrförmigen Elements (3) kombiniert ist, und ein bewegliches stabartiges Element (11), das sich in dem Gehäuse (2) und im Wesentlichen parallel zu dem rohrförmigen Element (3) erstreckt,
    dadurch gekennzeichnet, dass,
    in der Ruheposition und in der ersten Ablaufposition das stabartige Element (11) das kastenartige Element (10) blockiert,
    wobei in der zweiten Ablaufposition das kastenartige Element (10), das von dem stabartigen Element (11) losgelöst ist und schwimmfähig ist, das rohrförmige Element (3) blockiert, wobei die Bewegungsmittel (9) auf das stabartige Element (11) beim Überschreiten einer vorbestimmten Verschiebung des rohrförmigen Elements (3) wirksam sind, für eine Verlagerung des stabartigen Elements (11) von einer Interferenzposition mit dem kastenartigen Element (10) zu einer Nichtinterferenzposition mit dem kastenartigen Element (10),
    wobei das Ventil ferner Rückhaltemittel (12) umfasst, die auf das stangenartige Element (11) in der Nichtinterferenzposition mit dem kastenartigen Element (10) wirken, und Wiederherstellmittel (13), die mit dem rohrförmigen Element (3) an dessen zweitem Endabschnitt (5) einteilig sind und auf das stangenartige Element (11) wirken, um die Interferenzposition des stangenartigen Elements mit dem kastenartigen Element wiederherzustellen, wobei die Bewegungsmittel (9) auf die Wiederherstellmittel (13) wirken.
  2. Ventil nach Anspruch 1, wobei die Rückhaltemittel (12) ein magnetisch interagierendes Elementenpaar umfassen,
    wobei das Elementenpaar vorzugsweise ein in dem Gehäuse (2) untergebrachtes festes Element (23) und ein mit dem stabförmigen Element (11) einstückiges bewegliches Element (24) umfasst.
  3. Ventil nach Anspruch 2, wobei das feste Element (23) ein Ring ist und das stangenartige Element (11) den Ring durchkreuzt.
  4. Ventil nach einem der vorhergehenden Ansprüche, wobei das kastenartige Element (10) eine untere Schwimmkammer (25) und vorzugsweise einen oberen Tank (26) umfasst, wobei die Schwimmkammer (25) weiter bevorzugt ein größeres Volumen als das Volumen des Tanks (26) aufweist.
  5. Ventil nach einem der vorhergehenden Ansprüche, umfassend einen im Gehäuse (2) aufgenommenen und auf das rohrförmige Element (3) wirkenden Schwimmerbecher (31).
  6. Ventil nach Anspruch 5, wobei der Schwimmerbecher (31) mit einem ersten Loch versehen ist, in das das stabförmige Element (11) eingreift, wobei der Schwimmerbecher (31) weiter bevorzugt mit einem zweiten Loch versehen ist, in das das rohrförmige Element (3) eingreift.
  7. Ventil nach Anspruch 5 oder 6, umfassend Anschlagmittel (32) für den Schwimmerbecher (31).
  8. Ventil nach einem der Ansprüche 5 bis 7, umfassend ein Einstellelement (35), das zur Bestimmung des Bewegungsausmaßes des Schwimmerbechers (31) geeignet ist, wobei das Einstellelement (35) vorzugsweise einen von der Außenseite des Gehäuses (2) verlagerbaren Gewindeabschnitt aufweist.
  9. Ventil nach einem der vorhergehenden Ansprüche, wobei die Bewegungsmittel (9) eine Hebe-Flachstange (15) und pneumatische Mittel (38) oder mechanische Mittel (138) umfassen, die auf die Hebe-Flachstange (15) wirken.
  10. Ventil nach Anspruch 9, wobei die pneumatischen Mittel (38) einen pneumatischen Heber (39), vorzugsweise einen Faltenbalg, umfassen, der zur Verbindung mit einem pneumatischen Doppelsteuer-Fernbedienungsknopf über eine Leitung geeignet ist.
  11. Ventil nach Anspruch 9, wobei die mechanischen Mittel (138) einen Haken (140) und einen dem Haken (140) zugeordneten kleinen Anker (139) umfassen, wobei der Haken geeignet ist, einer mechanischen Fernsteuerung zugeordnet zu werden.
  12. Ventil nach einem der vorhergehenden Ansprüche, wobei das kastenartige Element (10) bogenförmig ist und sich um das rohrförmige Element (3) herum erstreckt.
  13. Ventil nach einem der vorhergehenden Ansprüche, wobei das kastenartige Element (10) mindestens ein vorzugsweise stangenförmiges Verhakungselement (27) und das Gehäuse (2) mindestens ein vorzugsweise gabelförmiges Stützelement (28) aufweist, wobei das mindestens eine Verhakungselement (27) mit dem mindestens einen Stützelement (28) so kombiniert ist, dass das kastenartige Element (10), wenn es dem Auftrieb ausgesetzt ist, durch Kippen um eine im Wesentlichen senkrecht zu dem rohrförmigen Element (3) stehende Achse schwenkbar ist.
  14. Ventil nach einem der vorhergehenden Ansprüche, wobei das röhrenförmige Element (3) mit mindestens einem oder einer sich in Längsrichtung erstreckenden Steg oder Außenrippe (29) versehen ist, und wobei das kastenartige Element (10) mindestens ein Gegenelement (30) umfasst, das zum Zusammenwirken mit der mindestens einen Rippe (29) geeignet ist, wenn sich das stabartige Element (11) in der Nichtinterferenzposition mit dem kastenartigen Element (10) befindet, wobei das mindestens eine Gegenelement (30) vorzugsweise zahn- oder stufenförmig ist.
EP21200855.1A 2020-10-09 2021-10-05 Hydraulisches ventil für toilettenspülung mit doppelter spülung Active EP3981927B1 (de)

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IT102020000023779A IT202000023779A1 (it) 2020-10-09 2020-10-09 Valvola idraulica per sciacquone a doppio scarico

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Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL55874A0 (en) * 1978-11-05 1979-01-31 Raz Zeev Toilet bowl flush system
DE2917904A1 (de) * 1979-05-03 1980-11-20 Mettin Christian Dipl Forstwir Wc-spuelkasten mit wassersparsystem
ITMI20052354A1 (it) * 2005-12-09 2007-06-10 Oliveira & Irmao Sa Gruppo valvola di scarico di una cassetta di risciacquo con sistema di regolazione della quantita' d'acqua scaricata
EA014601B1 (ru) * 2006-10-03 2010-12-30 Экзакибаси Япи Гереклери Санайи Ве Тикарет А. С. Спускное устройство со спуском двух объёмов воды

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EP3981927C0 (de) 2023-08-16
IT202000023779A1 (it) 2022-04-09

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