EP1245744A1 - Ablaufventil für ein Spülkasten - Google Patents

Ablaufventil für ein Spülkasten Download PDF

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Publication number
EP1245744A1
EP1245744A1 EP02007091A EP02007091A EP1245744A1 EP 1245744 A1 EP1245744 A1 EP 1245744A1 EP 02007091 A EP02007091 A EP 02007091A EP 02007091 A EP02007091 A EP 02007091A EP 1245744 A1 EP1245744 A1 EP 1245744A1
Authority
EP
European Patent Office
Prior art keywords
movable member
flush
hook
seat
additional
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.)
Granted
Application number
EP02007091A
Other languages
English (en)
French (fr)
Other versions
EP1245744B1 (de
Inventor
Mario Varotti
Francesco Ferreira
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.)
Valsir SpA
Original Assignee
Valsir SpA
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Filing date
Publication date
Application filed by Valsir SpA filed Critical Valsir SpA
Priority to DK02007091T priority Critical patent/DK1245744T3/da
Priority to SI200230076T priority patent/SI1245744T1/xx
Publication of EP1245744A1 publication Critical patent/EP1245744A1/de
Application granted granted Critical
Publication of EP1245744B1 publication Critical patent/EP1245744B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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

Definitions

  • the present invention relates to a flush device for a lavatory flush tank.
  • flush devices for simply discharging all the water from the tank; dual-flush devices for selectively discharging all or only part of the water from the tank; and single- or dual-flush devices designed to cut off discharge as required.
  • Known dual-flush devices normally feature a valve fitted to the bottom end of a movable member (which normally also functions as an overflow pipe) and associated with a float for delaying closure of the valve to discharge all the water. Conversely, to discharge only part of the water, an additional weight is connected reversibly to the valve to close the valve faster.
  • a major drawback of known devices of this type lies in the reversible connection of the additional weight to the valve involving relatively complex, delicate mechanisms, which are subject to frequent malfunctioning or damage. Moreover, such mechanisms are normally located at the free surface of the water in the tank, where, as is known, a film of lime tends to deposit on the mechanisms, thus damaging them or impairing performance. In the event the mechanism is damaged, the additional weight normally remains connected unreleasably to the valve, thus enabling only partial-discharge operating mode (whereas, in the event of breakage, full-discharge mode would be preferable).
  • a flush device for a lavatory flush tank comprising a valve carried by a movable member to selectively assume a closed position and an open position inside a relative sealing seat; a float carried by the movable member to delay return of the valve to the closed position; an additional member connectable to the movable member to alter the speed at which the valve returns to the closed position; and reversible connecting means for selectively connecting/disconnecting said additional member and said movable member; the device being characterized in that said reversible connecting means comprise auxiliary buoyancy means carried by the additional member and for moving corresponding retaining means to selectively connect/disconnect said additional member and said movable member alongside a variation in the level of the water in the tank.
  • the invention also relates to a modular system of flush devices for lavatory flush tanks, the system comprising a single-flush device, and a conversion kit for converting the single-flush device to a dual-flush device; and the system being characterized in that:
  • number 1 indicates as a whole a flush device for a known flush tank 2 (not shown in detail for the sake of simplicity), and of the type for selectively discharging all or only part of the water in tank 2.
  • Device 1 comprises a supporting structure 3 having an externally threaded, tubular bottom portion 4 insertable in fluidtight manner, according to a known solution, inside a drain hole in tank 2.
  • Supporting structure 3 also comprises a cylindrical top portion 5 connected to the bottom portion by four radial segments 6 defining four ample openings 7 through which water flows out of tank 2 into bottom portion 4.
  • Top portion 5 is closed at the top by a lid 8 having a central through hole 9.
  • Device 1 also comprises a valve 10 carried by a movable member 11 to selectively assume a closed position and an open position inside a relative sealing seat 12 defined, in the example shown, inside bottom portion 4 of supporting structure 3.
  • Movable member 11 is housed and slides inside supporting structure 3, is fitted through hole 9, may comprise a number of connected parts, and also functions as an overflow pipe.
  • Valve 10 is located at the bottom axial end 13 of movable member 11; and movable member 11 is fitted integrally with a toroidal float 14 housed in top portion 5 of supporting structure 3.
  • Device 1 also comprises a connecting member 15 - shown in detail in Figure 3 - fitted integrally to movable member 11 and preferably defined by a one-piece body made of plastic material and having fast-fit fastening means 16 (of any known type) for removable connection to movable member 11.
  • connecting member 15 comprises a head 17 having a tooth 18 which is insertable inside a seat 19 formed at the top axial end 20, opposite end 13, of movable member 11; an anchor 21 projects from head 17 and comprises a root portion 22 connected radially to and projecting from head 17, and a contoured arm 23 substantially parallel to movable member 11 and terminating with a free end 24; and free end 24 has a radial projection 25 crosswise to arm 23 and having a bottom face 26 facing supporting structure 3, and a top face 27 facing head 17 and in which is formed a seat 28.
  • Device 1 also comprises an additional member 31 connectable to movable member 11; and reversible connecting means 32 for selectively connecting and disconnecting additional member 31 and movable member 11 as explained later on.
  • additional member 31 comprises a tubular body 34 fitted coaxially and sliding freely about movable member 11; and a radial collar 35 carried by the top axial end 36 of tubular body 34.
  • the bottom axial end 37 of tubular body 34 rests on lid 8 of supporting structure 3; a support 38 projects radially from an outer lateral wall of tubular body 34, just below collar 35; collar 35 extends radially so as to interfere axially with projection 25 of connecting member 15; and projection 25 is located just over collar 35, at a contact portion 39 of collar 35 designed to exert axial thrust on face 26 of projection 25.
  • Reversible connecting means 32 comprise a rocking body 40 hinged to support 38, e.g. by a pin defining a hinge 41.
  • Rocking body 40 comprises a central portion 42 hinged to support 38; and two arms 43, 44 diverging from central portion 42, and the respective free ends of which support a buoyancy member 45 and, respectively, a hook 46 for engaging seat 28 on connecting member 15.
  • Hook 46 engages seat 28 in the opposite axial direction to that in which contact portion 39 of collar 35 exerts axial thrust on projection 25, and has a rounded or beveled head 47 also defining the free end of arm 44.
  • Arm 43 is a curved arm extending in a semicircle about movable member 11; arm 44 is substantially straight and perpendicular to arm 43; and buoyancy member 45 and hook 46 are located diametrically opposite each other about movable member 11.
  • Buoyancy member 45 is sized so that rocking body 40 selectively assumes a rest position - shown by the dash line in Figure 1 - in which hook 46 does not engage seat 28 when the water in tank 2 is above a predetermined level H, and a work position - shown by the continuous line in Figure 1 - in which hook 46 engages seat 28 when the water in tank 2 falls below level H.
  • Device 1 also comprises a tie 51 connected integrally to end 20 of movable member 11; and a tie 52 connected integrally to collar 35 of additional member 31.
  • Ties 51, 52 are connectable, in known manner not shown, to respective user control members for implementing full or partial discharge.
  • Tie 51 may be formed integrally in one piece with movable member 11, or, as shown in Figure 3, be formed as a separate component and connected removably to movable member 11, e.g. by means of an elastic collar 53 which clicks on to end 20 of movable member 11.
  • Connecting member 15 in turn may be formed in one piece with tie 51 and collar 53, or be connected removably to collar 53 as described previously.
  • Device 1 operates as follows:
  • tank 2 At rest, tank 2 is full of water up to a predetermined level h (determined, as known, by a float for closing a feed tap) equal to or higher than the level H at which rocking body 40 is rotated about hinge 41, so that rocking body 40 is in the rest position in which hook 46 does not engage seat 28, and valve 10 closes sealing seat 12.
  • h predetermined level (determined, as known, by a float for closing a feed tap) equal to or higher than the level H at which rocking body 40 is rotated about hinge 41, so that rocking body 40 is in the rest position in which hook 46 does not engage seat 28, and valve 10 closes sealing seat 12.
  • connecting member 15 is defined by a one-piece body of plastic material in the form of a gripper which clicks on to movable member 11.
  • Connecting member 15 comprises two side by side arms 60 projecting obliquely from a crosspiece 61; respective free ends 62 of arms 60, opposite respective ends 63 connected to crosspiece 61, support respective arc-shaped portions 64 which click inside a groove 65 ( Figure 2) formed on movable member 11 and defined axially by two opposite shoulders 66;
  • crosspiece 61 comprises two radial projections 25 having respective top faces 27, and respective bottom faces 26 for cooperating, in use, with the contact portion of collar 35; and seat 28 for hook 46 is formed between arms 60.
  • device 1 is extremely cheap and easy to produce, is extremely easy to use, and is highly reliable.
  • the component parts reversibly connecting movable member 11 and additional member 31 - in particular, rocking body 40 and hook 46 - are located beneath the free surface of the water in the tank, thus safeguarding the components against lime deposits.
  • Device 1 also ensures full-discharge mode even in the event of damage to rocking body 40, which, in fact, would remain in the rest position disconnecting movable member 11 and additional member 31.
  • the modular system according to the invention comprises a single-flush device 100; and a conversion kit 101 for converting single-flush device 100 to a dual-flush device 102.
  • the single-flush device 100 is substantially defined by a first preassembled unit 103 comprising supporting structure 3, movable member 11 with tie 51 (here shown in the form of an appendix integral with movable member 11), valve 10 and float 14 as described previously.
  • Kit 101 comprises a second preassembled unit 104 and connecting member 15.
  • Second preassembled unit 104 in turn comprises additional member 31, rocking body 40, and tie 52 as described previously; and connecting member 15 may be any one of the embodiments already described, or other variations such as the one shown in Figure 5, in which fast-fit fastening means 16 are defined by an elastic collar which clicks on to movable member 11.
  • Single-flush device 100 can be fitted, as it is, to tanks 2 designed to operate in full-discharge mode (possibly also with a flow cut-off function), and can be converted to a dual-flush device 102 by simply fitting second preassembled unit 104 and connecting member 15 to first preassembled unit 103.
  • the modular system according to the invention therefore provides for obtaining both single- and dual-flush devices by producing and assembling only a very small number of different components, thus affording considerable advantages in terms of production, installation and storage/trasport.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Coating Apparatus (AREA)
  • Float Valves (AREA)
  • Fluid-Driven Valves (AREA)
  • Road Repair (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
EP02007091A 2001-03-29 2002-03-27 Ablaufventil für ein Spülkasten Expired - Lifetime EP1245744B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DK02007091T DK1245744T3 (da) 2001-03-29 2002-03-27 Skylleindretning til toiletskylletank
SI200230076T SI1245744T1 (en) 2001-03-29 2002-03-27 Flush device for a lavatory flush tank

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2001MI000661A ITMI20010661A1 (it) 2001-03-29 2001-03-29 Dispositivo di scarico per una cassetta di caccita di apparecchi sanitari
ITMI20010661 2001-03-29

Publications (2)

Publication Number Publication Date
EP1245744A1 true EP1245744A1 (de) 2002-10-02
EP1245744B1 EP1245744B1 (de) 2004-11-10

Family

ID=11447389

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02007091A Expired - Lifetime EP1245744B1 (de) 2001-03-29 2002-03-27 Ablaufventil für ein Spülkasten

Country Status (8)

Country Link
EP (1) EP1245744B1 (de)
AT (1) ATE282118T1 (de)
DE (1) DE60201853T2 (de)
DK (1) DK1245744T3 (de)
ES (1) ES2232689T3 (de)
IT (1) ITMI20010661A1 (de)
PT (1) PT1245744E (de)
SI (1) SI1245744T1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1477618A1 (de) * 2003-05-09 2004-11-17 Oliveira & Irmao S.A. Ablaufvorrichtung für einen Spülkasten, insbesondere für einen Zweimengen-Spülkasten
NL1026899C2 (nl) * 2004-08-23 2006-02-24 Wisa Bv Spoelinrichting met mogelijkheid van een gehele of gedeeltelijke spoeling.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4305163A (en) * 1978-11-05 1981-12-15 Ben-Gurion University Of The Negev Research And Development Authority Toilet bowl flush system
US5073995A (en) * 1990-10-09 1991-12-24 Neubauer-Jennison Construction Universal toilet tank water saving device
EP0723050A1 (de) * 1995-01-18 1996-07-24 Friatec Aktiengesellschaft Keramik- und Kunststoffwerke Ablaufarmatur eines Spülkastens
EP0801179A2 (de) * 1996-04-10 1997-10-15 Oliveira & Irmao S.A. Gerät zur Steuerung eines Ablaufvenmtils eines Spülkastens

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4305163A (en) * 1978-11-05 1981-12-15 Ben-Gurion University Of The Negev Research And Development Authority Toilet bowl flush system
US5073995A (en) * 1990-10-09 1991-12-24 Neubauer-Jennison Construction Universal toilet tank water saving device
EP0723050A1 (de) * 1995-01-18 1996-07-24 Friatec Aktiengesellschaft Keramik- und Kunststoffwerke Ablaufarmatur eines Spülkastens
EP0801179A2 (de) * 1996-04-10 1997-10-15 Oliveira & Irmao S.A. Gerät zur Steuerung eines Ablaufvenmtils eines Spülkastens

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1477618A1 (de) * 2003-05-09 2004-11-17 Oliveira & Irmao S.A. Ablaufvorrichtung für einen Spülkasten, insbesondere für einen Zweimengen-Spülkasten
NL1026899C2 (nl) * 2004-08-23 2006-02-24 Wisa Bv Spoelinrichting met mogelijkheid van een gehele of gedeeltelijke spoeling.
EP1630306A1 (de) 2004-08-23 2006-03-01 Wisa B.V. Spüleinrichtung mit Ganz- oder Teilmengenentleerungkapazität

Also Published As

Publication number Publication date
EP1245744B1 (de) 2004-11-10
DE60201853D1 (de) 2004-12-16
ES2232689T3 (es) 2005-06-01
ITMI20010661A0 (it) 2001-03-29
DK1245744T3 (da) 2005-02-14
ATE282118T1 (de) 2004-11-15
PT1245744E (pt) 2005-03-31
ITMI20010661A1 (it) 2002-09-30
DE60201853T2 (de) 2005-11-03
SI1245744T1 (en) 2005-04-30

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