EP0801179A2 - Gerät zur Steuerung eines Ablaufvenmtils eines Spülkastens - Google Patents

Gerät zur Steuerung eines Ablaufvenmtils eines Spülkastens Download PDF

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Publication number
EP0801179A2
EP0801179A2 EP97105694A EP97105694A EP0801179A2 EP 0801179 A2 EP0801179 A2 EP 0801179A2 EP 97105694 A EP97105694 A EP 97105694A EP 97105694 A EP97105694 A EP 97105694A EP 0801179 A2 EP0801179 A2 EP 0801179A2
Authority
EP
European Patent Office
Prior art keywords
float
discharge tube
discharge
tank
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.)
Granted
Application number
EP97105694A
Other languages
English (en)
French (fr)
Other versions
EP0801179B1 (de
EP0801179A3 (de
Inventor
Antonio Manuel Moura De Oliveira
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.)
Oliveira and Irmao SA
Original Assignee
Oliveira and Irmao SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oliveira and Irmao SA filed Critical Oliveira and Irmao SA
Publication of EP0801179A2 publication Critical patent/EP0801179A2/de
Publication of EP0801179A3 publication Critical patent/EP0801179A3/de
Application granted granted Critical
Publication of EP0801179B1 publication Critical patent/EP0801179B1/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
    • 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

Definitions

  • the present invention relates to a device for controlling the discharge valve of a lavatory flush tank, and in particular to a water-saving discharge valve control device enabling both total and partial discharge of the water in the tank.
  • Discharge valve control devices are normally required to so close the valve as to discharge a given amount of water, usually all the water in the tank, and provide for delaying closure of the valve in various ways by exploiting the suction of the outgoing water.
  • EP-A-10 945 relates to a control device wherein the overflow discharge tube comprises an annular element for closing the discharge valve, so that the overflow discharges via the tube and the annular element; the discharge tube is fitted with a first annular float; and a second float is provided close to the bottom of the tank, and is fitted to a lever extending radially with respect to the discharge tube, and having means for connection to a control member.
  • the second float is normally locked, so that the discharge tube closes the discharge valve when the water in the tank falls to a given level corresponding to the position of the first float.
  • the second float prevents the control device from being restored to the closing position, so as to delay closing of the valve until the level of the water falls below the second float, and so discharge all the water in the tank.
  • This device presents the drawback of being fairly bulky, on account of the float, as well as being unreliable on account of the connection between the lever of the second float and the control member.
  • DE-A-3 121 625 relates to a further control device enabling both total and partial discharge of the water in the tank, and wherein the valve closing element is fitted to a first cylindrical float surrounded by a hollow cylinder, which is fitted at the top with a second annular float normally locked by a hook to discharge all the water in the tank.
  • the hollow cylinder closes the drain when the level of the water lowers the second float, thus preventing the water from being discharged.
  • This device presents several drawbacks, by requiring a separate overflow discharge tube, separate means for guiding the hollow cylinder, and a complex mechanism for controlling the first float and the hook locking the hollow cylinder.
  • a device for controlling the discharge valve of a lavatory flush tank comprising a closing element for closing said valve, and which is associated with a first float and is raised to open said valve; and a second float for totally discharging said tank; characterized in that said second float is concentric with said first float, and exerts a hydrostatic thrust greater than the weight of said first float; said second float normally being locked upwards, so as not to affect the downward return movement of said first float, and so partially discharge said tank, and being released to delay the return movement of said first float into the idle position, and so totally discharge said tank.
  • the discharge valve of the device comprises a closing element fitted to an overflow discharge tube, and which is raised to open said valve; and said discharge tube comprises a plugging element for plugging the bottom end of said discharge tube to enable the discharge tube to also function as a float.
  • Number 5 in Figure 5 indicates a lavatory flush tank comprising a standard cock (not shown) for connection to the water supply pipe; a standard float (not shown) for controlling the cock; and a bottom wall 6 with a hole 7 in which is fitted a device for controlling discharge of the water and indicated as a whole by 8.
  • the components of device 8 are normally made of rigid plastic material, so that, hereinafter, the component material is only specified when other than rigid plastic.
  • Device 8 ( Figure 1) comprises a discharge fitting 9 having an externally-threaded bottom portion 11, a flat shoulder 12, and a top portion 13 larger in diameter than bottom portion 11.
  • Portion 11 is inserted inside hole 7 via the interposition of a seal 14, and is fitted to the bottom of tank 5 by a threaded ring nut 16.
  • Portion 13 is connected to shoulder 12 by four axial segments 17 ( Figure 4) defining four openings 18 enabling water to flow from tank 5 into portion 11.
  • Portion 13 comprises an L-shaped slot 19 ( Figure 2), which is engaged bayonet-fashion by a radial pin 20 on an annular support indicated as a whole by 21 ( Figure 1) and which rests on an annular shoulder 25 of portion 13.
  • Figure 2 By means of a cylindrical outer wall 23, a cylindrical inner wall 24 and a bottom wall 26, support 21 defines an annular chamber 22 closed at the top by a removable cover 27, which is defined inwards by an annular lip 28 larger in diameter than inner wall 24.
  • Cover 27 comprises an opening 29 through which water flows into chamber 22; and bottom wall 26 comprises a calibrated hole 31 by which chamber 22 is emptied slowly.
  • a normal overflow discharge tube 32 slides inside wall 24, and comprises a bottom shoulder 33 defining the bottom end 34 of tube 32.
  • End 34 comprises a number of axial ribs 30 on which rests a ring nut 35 inserted inside end 34; and ring nut 35 comprises a bottom flange 36 facing a similar flange 37 of a rigid ring 38 having a diametrical dividing wall 40 ( Figure 4) with a central hole 39.
  • Ring 38 comprises four elastic tabs 41, each with a tooth 42, which clicks on to shoulder 33 to grip between flanges 36 and 37 an element for closing the discharge valve; which element comprises a ring 43 of elastic material, which rests against a projection 44 located on the upper surface of shoulder 12 of fitting 9, and defining the seat for the discharge valve of tank 5.
  • Beneath flange 37, ring 38 comprises a conical lip 45 defined by an annular rib 46, and forming a seat for a plugging element comprising a disk 47, which plugs seat 45, and hence the bottom end 34 of tube 32, so that tube 32 acts as a first float for controlling the return movement of ring 43 into the position closing the discharge valve.
  • Disk 47 is integral with a central rod 48 guided by hole 39 in dividing wall 40, and fitted removably at the top end with a supporting element 49 for a helical compression spring 51, the other end of which rests against the upper surface of dividing wall 40.
  • Disk 47 also comprises a calibrated hole 50 allowing the passage of a certain amount of water, and spring 51 is so sized that disk 47 is detached from seat 45 when the column of water inside tube 32 exceeds by a given amount the maximum level H ( Figure 5) of tank 5.
  • discharge tube 32 comprises an outer radial tab 52 with a vertical slot 53, which is engaged by a pin 54 fitted to a plate 56; and plate 56 comprises a bent tab fitted to a tie 57, which is raised to lift tube 32 and open the discharge valve.
  • Chamber 22 houses a second float comprising an annular chamber 58 enclosed in an open-bottom casing 59, and which may house a ring made of material of a low specific weight.
  • the inner wall of casing 59 projects upwards into a sleeve 61, which is guided between wall 24 of support 21 and inner lip 28 of cover 27, so that second float 58 is located a minimum radial distance from tube 32.
  • the hydrostatic thrust of float 58 is greater than the weight of tube 32.
  • Sleeve 61 comprises a slightly smaller-diameter top portion 62, which slides on the outer surface of tube 32; and tube 32 comprises two radial appendixes 63, each with a number of ribs 60, which are engaged by the top edge of portion 62 of sleeve 61.
  • cover 27 comprises a pair of radial tabs 64 connected by a trapezoidal-section bar 66, which forms a fixed stop element for a hook element 67 fitted to sleeve 61.
  • hook element 67 comprises a lever 68 having a hook-shaped bottom end 69 for engaging bar 66.
  • Lever 68 pivots on a pin 71 fitted to a pair of radial ribs 72 integral with sleeve 61, is pushed clockwise by a compression spring 73 housed in a seat 74 on lever 68 and resting against a depression on portion 62, and is connected in articulated manner by a pin 77 to a control tie 78, which is raised to release hook-shaped end 69 from bar 66 and raise sleeve 61 together with float 58.
  • Tie 78 may be provided with a weight 79 to assist, or even replace, spring 73.
  • Cover 27 is connected by two vertical bars 75 ( Figures 3 and 5) to an upper fitting 76 connected in any known manner to a hole 88 formed in the usual cover 80 of tank 5 and coaxial with hole 7 in bottom wall 6.
  • Fitting 76 comprises a pair of parallel wings 85 extending downwards and fitted with two parallel pins 86 and 87 on which pivot two transmission levers 83 and 84 connected in articulated manner to ties 57 and 78.
  • Ties 57 and 78 are located in a substantially radial plane with respect to tube 32, so that levers 83 and 84 are movable in said radial plane, and each present a control arm 89, 90 extending towards the axis of fitting 76.
  • Push-button 81 is fitted to a respective push rod 92 terminating at the bottom with a central cylindrical element 93, which acts on arm 89 of tie 83; and push-button 82 is fitted to a further push rod 94 terminating at the bottom with a hollow element 96 coaxial with element 93, and which acts on arm 90 of tie 84; for which purpose, arm 90 is in the form of a fork, the branches of which are located on either side of arm 89.
  • the control device operates as follows.
  • tank 5 When idle, tank 5 ( Figure 5) is filled with water up to level H defined by the usual float closing the supply cock; overflow discharge tube 32 is in the lowered position shown in Figure 5, wherein ring 43 rests on projection 44 so that the discharge valve is closed; and the water in chamber 22 pushes float 58 upwards, so that the hook-shaped end 69 of lever 68 is arrested against bar 66.
  • tie 78 draws sleeve 61, and with it tube 32, positively upwards to open the discharge valve as shown in Figure 6, so that tube 32 begins to float, while float 58 is pushed hydrostatically against cover 27 to help raise tube 32. At this point, the water flows towards the drain, but when the hydrostatic thrust on tube 32 equals its weight, tube 32 is prevented from moving down by force of gravity by still being maintained in the raised position by float 58.
  • the advantages of the control device according to the invention will be clear from the foregoing description.
  • using the overflow discharge tube 32 as a first float, and a second float 58 concentric with and at a minimum distance from tube 32 provides for greatly reducing the size of the control device fitted inside tank 5.
  • the hydrostatic thrust of the second float 58 reduces the pressure required to operate push-button 82.
  • slowly emptying chamber 22 housing the second float 58 ensures tank 5 is emptied completely.
  • the float (32, 47) controlling the valve may be separate from overflow discharge tube 32; and, as opposed to being threaded, portion 11 of fitting 9 and ring nut 16 may be smooth, click-on types.
  • discharge tube 32 may comprise axial ribs to reduce sliding friction; disk 47 need not necessarily comprise hole 50; and some of the components of the control device may be made of metal alloy as opposed to plastic material, and be connected otherwise than as described.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Float Valves (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Domestic Plumbing Installations (AREA)
EP97105694A 1996-04-10 1997-04-07 Gerät zur Steuerung eines Ablaufvenmtils eines Spülkastens Expired - Lifetime EP0801179B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT96TO000276A IT1286710B1 (it) 1996-04-10 1996-04-10 Dispositivo di comando della valvola di scarico dell'acqua di una vaschetta per apparecchi sanitari.
ITTO960276 1996-04-10

Publications (3)

Publication Number Publication Date
EP0801179A2 true EP0801179A2 (de) 1997-10-15
EP0801179A3 EP0801179A3 (de) 1998-04-08
EP0801179B1 EP0801179B1 (de) 2003-07-02

Family

ID=11414542

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97105694A Expired - Lifetime EP0801179B1 (de) 1996-04-10 1997-04-07 Gerät zur Steuerung eines Ablaufvenmtils eines Spülkastens

Country Status (7)

Country Link
EP (1) EP0801179B1 (de)
AU (1) AU723228B2 (de)
DE (1) DE69723143T2 (de)
ES (1) ES2202509T3 (de)
IL (1) IL120645A (de)
IT (1) IT1286710B1 (de)
PT (1) PT801179E (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0913532A2 (de) * 1997-11-03 1999-05-06 Oliveira & Irmao S.A. Verbesserungen einer Vorrichtung zur Kontrolle des Auslassventils eines Spülkastens
EP1010826A1 (de) 1998-12-18 2000-06-21 Prosan, d.o.o. Ablaufgarnitur für einen Spülkasten
EP1199415A1 (de) * 2000-10-20 2002-04-24 Oliveira & Irmao S.A. Kontrollvorrichtung für einen Spülkasten, insbesondere multifunktionaler Spülkasten, um eine Wasserabflusskontrolle zu ermöglichen
EP1245744A1 (de) * 2001-03-29 2002-10-02 VALSIR S.p.A. Ablaufventil für ein Spülkasten
EP1477618A1 (de) * 2003-05-09 2004-11-17 Oliveira & Irmao S.A. Ablaufvorrichtung für einen Spülkasten, insbesondere für einen Zweimengen-Spülkasten
DE102008020460A1 (de) * 2008-04-23 2009-11-05 GROHEDAL Sanitärsysteme GmbH & Co. KG Linearführungen für Ablaufarmaturen
CN105888008A (zh) * 2016-05-23 2016-08-24 厦门立业卫浴工业有限公司 一种排水阀内芯管卡挚装置
WO2021212252A1 (zh) * 2020-04-20 2021-10-28 厦门立业卫浴工业有限公司 一种泄气阀及利用气压开启的马桶水箱排水阀

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2399899B1 (es) * 2011-01-31 2014-02-11 Fominaya, S.A. Dispositivo para la descarga de cisternas de inodoros.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2676480A1 (fr) * 1991-05-16 1992-11-20 Tolbert Timothy Dispositif d'evacuation pour reservoir, a deversement variable.
EP0723050A1 (de) * 1995-01-18 1996-07-24 Friatec Aktiengesellschaft Keramik- und Kunststoffwerke Ablaufarmatur eines Spülkastens

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2676480A1 (fr) * 1991-05-16 1992-11-20 Tolbert Timothy Dispositif d'evacuation pour reservoir, a deversement variable.
EP0723050A1 (de) * 1995-01-18 1996-07-24 Friatec Aktiengesellschaft Keramik- und Kunststoffwerke Ablaufarmatur eines Spülkastens

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0913532A2 (de) * 1997-11-03 1999-05-06 Oliveira & Irmao S.A. Verbesserungen einer Vorrichtung zur Kontrolle des Auslassventils eines Spülkastens
EP0913532A3 (de) * 1997-11-03 1999-10-20 Oliveira & Irmao S.A. Verbesserungen einer Vorrichtung zur Kontrolle des Auslassventils eines Spülkastens
AU738741B2 (en) * 1997-11-03 2001-09-27 Oliveira & Irmao S.A. Improvements to a device for controlling the water discharge valve of a cistern for sanitary apparatus
EP1010826A1 (de) 1998-12-18 2000-06-21 Prosan, d.o.o. Ablaufgarnitur für einen Spülkasten
EP1199415A1 (de) * 2000-10-20 2002-04-24 Oliveira & Irmao S.A. Kontrollvorrichtung für einen Spülkasten, insbesondere multifunktionaler Spülkasten, um eine Wasserabflusskontrolle zu ermöglichen
EP1245744A1 (de) * 2001-03-29 2002-10-02 VALSIR S.p.A. Ablaufventil für ein Spülkasten
EP1477618A1 (de) * 2003-05-09 2004-11-17 Oliveira & Irmao S.A. Ablaufvorrichtung für einen Spülkasten, insbesondere für einen Zweimengen-Spülkasten
DE102008020460A1 (de) * 2008-04-23 2009-11-05 GROHEDAL Sanitärsysteme GmbH & Co. KG Linearführungen für Ablaufarmaturen
DE102008020460B4 (de) * 2008-04-23 2013-08-01 GROHEDAL Sanitärsysteme GmbH Linearführungen für sanitäre Ablaufarmaturen von Spülkästen
EP2112285A3 (de) * 2008-04-23 2014-12-17 GROHEDAL Sanitärsysteme GmbH Linearführung einer Ablaufarmatur für einen Spülkasten
CN105888008A (zh) * 2016-05-23 2016-08-24 厦门立业卫浴工业有限公司 一种排水阀内芯管卡挚装置
CN105888008B (zh) * 2016-05-23 2018-03-16 厦门立业卫浴工业有限公司 一种排水阀内芯管卡挚装置
WO2021212252A1 (zh) * 2020-04-20 2021-10-28 厦门立业卫浴工业有限公司 一种泄气阀及利用气压开启的马桶水箱排水阀
US12024869B2 (en) 2020-04-20 2024-07-02 Lab (Xiamen) Sanitary Fittings Inc Air release valve and air pressure driven toilet water tank drain valve

Also Published As

Publication number Publication date
ITTO960276A0 (de) 1996-04-10
IL120645A (en) 2001-01-28
IT1286710B1 (it) 1998-07-17
PT801179E (pt) 2003-10-31
DE69723143T2 (de) 2004-05-06
AU1777797A (en) 1997-10-16
ES2202509T3 (es) 2004-04-01
IL120645A0 (en) 1997-08-14
EP0801179B1 (de) 2003-07-02
DE69723143D1 (de) 2003-08-07
ITTO960276A1 (it) 1997-10-10
EP0801179A3 (de) 1998-04-08
AU723228B2 (en) 2000-08-24

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