EP2871294B1 - Garniture d'entrée pour une chasse d'eau - Google Patents

Garniture d'entrée pour une chasse d'eau Download PDF

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Publication number
EP2871294B1
EP2871294B1 EP13192466.4A EP13192466A EP2871294B1 EP 2871294 B1 EP2871294 B1 EP 2871294B1 EP 13192466 A EP13192466 A EP 13192466A EP 2871294 B1 EP2871294 B1 EP 2871294B1
Authority
EP
European Patent Office
Prior art keywords
flow
water
guiding channel
limiting element
elastic element
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
EP13192466.4A
Other languages
German (de)
English (en)
Other versions
EP2871294A1 (fr
Inventor
Martin Rüdisser
Paul Wey
Rolf Weiss
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.)
Geberit International AG
Original Assignee
Geberit International AG
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Filing date
Publication date
Application filed by Geberit International AG filed Critical Geberit International AG
Priority to PT13192466T priority Critical patent/PT2871294T/pt
Priority to ES13192466.4T priority patent/ES2689775T3/es
Priority to EP13192466.4A priority patent/EP2871294B1/fr
Publication of EP2871294A1 publication Critical patent/EP2871294A1/fr
Application granted granted Critical
Publication of EP2871294B1 publication Critical patent/EP2871294B1/fr
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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
    • E03D1/30—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
    • 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
    • E03D1/38—Adaptations or arrangements of flushing pipes

Definitions

  • the present invention relates to an inlet fitting for a cistern according to the preamble of claim 1.
  • Inlet fittings are used for filling cisterns of sanitary items, such as toilets or urinals.
  • the filling should be done in a relatively short period of time, so that the flushing is quickly operational again.
  • the noise should be small, so that the user can not perceive the filling acoustically.
  • the invention has for its object to provide an inlet fitting which is as quiet as possible when flow of rinse water.
  • an inlet fitting for filling a cistern comprises a housing, a housing arranged in the water supply channel with an input and an output, and arranged in a water channel channel float-controlled valve, which blocks the water supply channel or during filling free. Further, a flow limiting element is present in the water guide channel, which limits the flow with increasing water pressure so that the flow of water is kept constant by the flow limiting element upon reaching and / or exceeding a predetermined water pressure.
  • the inlet fitting thus includes continue the flow restrictor, which limits the flow accordingly.
  • the flow restrictor is controlled by the water pressure. By limiting the flow at high pressures, the inlet fitting can be operated quieter.
  • the predetermined pressure is in the range of 3 to 7 bar, in particular 4 to 6.
  • the constant flow rate is preferably in the range of 0.1 to 0.2 liters per second.
  • the flow limiting element reduces the cross section of the water guide channel with increasing pressure.
  • the flow-limiting element is preferably designed such that when a maximum pressure is present, a minimal cross-section remains open. Consequently, therefore, limited by the cross-sectional change of the flow. Ensuring a minimum opening, even at high pressures, ensures that the flow restrictor does not act as a fine filter.
  • the flow-limiting element comprises at least one elastic element arranged in the water guide channel, which elastic element is deformed with increasing pressure and due to the deformation reduces the cross-section of the water guide channel in the area of the flow-limiting element.
  • the flow-limiting element comprises a narrowing of the cross-section of the water guide channel narrowing, said said elastic element is seen in the direction of flow of the water before and spaced from the constriction.
  • the distance between the elastic member and the constriction is reduced with increasing pressure, thereby reducing the cross section of the water flow channel for flow reduction.
  • the constriction is provided by at least one opening provided in a wall which projects into or protrudes into the water guide channel.
  • the wall can be an integral part of the housing or be inserted into the water channel.
  • the wall to the elastic element projecting support points or support ribs.
  • These support ribs provide for a minimum distance between the wall and the elastic element, whereby the said minimum cross section can be provided at high pressures.
  • the elastic element is an elastic disc.
  • the disc is deformable in the direction of water flow through the water.
  • the elastic element in particular the said elastic disc, is arranged on a mandrel in the water guide channel, which mandrel extends from the wall.
  • the disc or the elastic element has a corresponding opening.
  • the mandrel and thus also the opening are arranged centrally in the water guide channel.
  • the mandrel extends away from the wall and has a paragraph.
  • the elastic element is thereby pushed onto the mandrel until it strikes the shoulder, the heel so that the distance between the elastic element and wall exactly defined.
  • the assembly of the elastic element can be simplified.
  • the elastic element is arranged on a carrier element inserted into the water guide channel.
  • the carrier element is part of the flow-limiting element and can be easily inserted into the water supply channel.
  • the support member provides said restriction.
  • the carrier element preferably comprises the said wall and the opening.
  • the elastic element has a Shore hardness of greater than 50 Shore or greater than 60 Shore or greater than 70 Shore.
  • the inlet fitting comprises an outlet pipe, through which the rinse water can be dispensed into a cistern and provides the outlet of the water guide channel, wherein the pressure limiting means located in the flow direction in front of the outlet pipe.
  • the water supply channel comprises a nozzle with a nozzle channel, wherein the flow limiting element is part of the nozzle or in the immediate vicinity of the nozzle.
  • the flow-limiting element lies in the direction of flow after the nozzle.
  • the flow limiting element is seen in the direction of flow in front of the float-controlled valve.
  • FIG. 1 a sectional view of an inlet fitting 1 for the filling of a cistern is shown.
  • the inlet fitting 1 comprises a housing 2, a water guide channel 3 arranged in the housing 2 with an inlet 4 and an outlet 5 and a float-controlled valve 6 arranged in the water guide channel 3, which blocks the water guide channel 3 or releases it during filling.
  • the input 4 is in communication with a water supply line, not shown here and the output 5 opens into the cistern.
  • the float controlled valve 6 is with a float coupled. Via the float the valve 6 can be opened or closed according to the water level in the cistern. When the cistern is empty, the valve 6 is open and the valve 6 is closed when the cistern is filled.
  • a flow-limiting element 7 is arranged in the water guide channel 3. With the flow-limiting element 7, the flow within the water guide channel 3 can be controlled or limited.
  • the flow-limiting element 7 limits the flow in the water guide channel 3 such that upon reaching and / or exceeding a predetermined water pressure, the flow through the flow-limiting element 7 is kept constant. Thus, the flow will not continue to increase despite increasing water pressure.
  • the flow-limiting element 7 thus has the function of limiting the flow when a predetermined water pressure is exceeded.
  • the function of the flow limiting element 7 is in the FIG. 5 shown.
  • the curve with the reference symbol K1 shows a characteristic flow curve from inlet fittings of the prior art.
  • the curve K2 shows a flow characteristic in an inventive inlet fitting. From the curve K2 can be seen that upon reaching a predetermined pressure P1, the flow is kept constant. The level of the constant flow is indicated by the reference Q1. This in contrast to known from the prior art inlet fittings, in which, as shown by the curve K1, the flow also increases with increasing pressure.
  • the predetermined pressure P1, from which the flow is kept constant is preferably in the range of 3 to 7 bar, in particular from 4 to 6 bar.
  • the constant flow Q1 is preferably in the range of 0.1 to 0.2 liters per second. Particularly preferred is a flow rate of 0.15 liters per second. Other values are also conceivable depending on the design of the inlet fitting.
  • FIGS. 3 and 4 show a schematic diagram of a flow-limiting element 7.
  • Flow-limiting element 7 and water supply channel 3 are shown schematically displayed.
  • the flow restriction member 7 is shown at a pressure P below the predetermined pressure P1.
  • the pressure P is smaller than the predetermined pressure P1.
  • the flow restricting element 7 stands in its unchanged position in the water supply channel 3. The flow rate is not significantly affected by the flow restricting element 7.
  • the flow restricting element 7 reduces the cross section of the water guide channel 3 with increasing pressure, so that the flow rate remains constant when the predetermined pressure is exceeded.
  • the flow limiting element 7 is designed such that when a maximum pressure is reached, a minimal cross section remains open. The flow-limiting element 7 thus allows the passage of water for each pressure.
  • the flow limiting element 7 has the shape of an elastic element 8.
  • the elastic element 8 is arranged in the water guide channel 3 and is deformed by the increasing water pressure accordingly. As a result of the deformation, the cross-section of the water guide channel 3 in the area of the flow-limiting element 7 is reduced.
  • constriction 9 that narrows the cross-section of the water channel 3.
  • the constriction 9 can be part of the flow-limiting element 7.
  • Said elastic element 8 is seen in the direction of flow F of the water before and spaced from the constriction 9.
  • the distance between the elastic member 8 and the constriction 9 is reduced with increasing pressure, whereby the cross section of the water supply channel 3 for flow reduction in this area is reduced.
  • This narrowing can be particularly in the FIGS. 2 to 4 be well recognized.
  • FIG. 2 The reduction of the cross section in the region of the elastic element 8, which is shown in the deformed state with the dotted line, and the constriction 9 is also shown.
  • the constriction 9 is provided by an opening 10 provided in a wall 11 which protrudes or protrudes into the water guide channel.
  • the constriction 9 may have the shape of a single opening or a plurality of openings in the corresponding wall.
  • the wall 11 is perpendicular to the direction of flow in the water supply channel.
  • the wall 11 may have support points, which are oriented towards the elastic element 8. These support points are not shown in the figures. These support points prevent the elastic element 8 from moving completely towards the wall 11 and completely closing the opening 10.
  • the elastic element 8 can be arranged in various ways in the water supply channel 3.
  • the elastic element 8 is arranged on a mandrel 13.
  • the mandrel 13 extends away from the wall 11 here.
  • the mandrel 13 has a shoulder 12, which serves as a stop for the elastic element 8.
  • the shoulder 12 and thus also the elastic element 8 is spaced from the wall 11 and from the opening 10. This also ensures that the elastic element 8 moves completely towards the wall 11 and the opening 10 completely closes.
  • the elastic element 8 can also be arranged in a carrier element 17 inserted in the water guide channel 3.
  • the support member 17 is in the FIG. 2 shown accordingly.
  • the support member 17 of the said mandrel 13 is arranged.
  • the carrier element 17 provides the said constriction 9 as well as the said wall 11.
  • the carrier element 11 can be inserted into the water guide channel and stands here at an angle to the water guide channel wall 18 at.
  • the elastic element 8 particularly preferably has a Shore hardness of greater than 50 Shore or greater than 60 Shore, in particular greater than 70 Shore. These Shore hardnesses have proven to be particularly advantageous in experiments.
  • the output 5 is followed by an outlet pipe 14 through which the rinse water can be discharged into a cistern.
  • the outlet pipe 14 opens with a corresponding outlet 19 in the cistern.
  • the pressure limiting element 7 is located in the flow direction in front of the outlet pipe 14.
  • the water supply channel 3 comprises a nozzle 15 with a nozzle channel 16.
  • the flow restricting element 7 may be part of the nozzle 15, as shown in the figures.
  • the flow-limiting element 7 can also be in the vicinity, in particular in the immediate vicinity, to the nozzle 15.
  • the flow-limiting element 7 seen in the direction of flow may be spaced from the nozzle 15.
  • the flow-limiting element 7, viewed in the direction of flow F, lies in front of the float-controlled valve 6. This prevents the float-controlled valve 6 from being loaded with the large flow rates above Q1. This further reduces the noise when filling the cistern.
  • the flow restricting element has the advantage that the Flow is automatically limited with increasing water pressure, which makes the inlet set lower noise.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Domestic Plumbing Installations (AREA)
  • Safety Valves (AREA)

Claims (10)

  1. Garniture d'entrée (1) pour le remplissage d'une chasse d'eau, comprenant
    un boîtier (2),
    un canal de guidage d'eau (3) ayant une entrée (4) et une sortie (5), disposé à l'intérieur du boîtier (2), et
    une soupape commandée par flotteur (6) disposée à l'intérieur du canal de guidage d'eau (3) laquelle bloque, respectivement libère, le canal de guidage d'eau (3) lors du remplissage,
    où
    un élément de limitation du débit (7) est présent dans le canal de guidage d'eau (3), caractérisé en ce que l'élément de limitation du débit (7) limite le débit lors d'une pression hydraulique montante de sorte que le débit de l'eau à travers l'élément de limitation du débit (7) est maintenu constant lorsque une pression hydraulique (P1) prédéterminée est atteinte et/ou dépassée,
    où l'élément de limitation du débit (7) comprend au moins un élément élastique disposé dans le canal de guidage d'eau (3), lequel élément élastique (8) est déformé lors d'une pression montante et la section du canal de guidage d'eau (3) est réduite au niveau du domaine de l'élément de limitation du débit (7) par la déformation,
    où l'élément de limitation du débit (7) comprend en outre un rétrécissement (9) réduisant la section du canal de guidage d'eau (3), où le dit élément élastique (8), vu en direction d'écoulement de l'eau (F), est disposé avant et à distance du rétrécissement (9), où la distance entre l'élément élastique et le rétrécissement (9) est réduite lors d'une pression montante ainsi réduisant la section du canal de guidage d'eau (3) pour une réduction de débit, lequel rétrécissement est mis à disposition par au moins une ouverture (10) dans une paroi (11) qui pénètre dans le, ou à travers du, canal de guidage d'eau (3),
    et où un mandrin (13) s'étend depuis la paroi (11) et comporte un talon (12), où l'élément élastique (8) est disposé sur le mandrin (13) dans le canal de guidage d'eau (3) de telle sorte que le talon (12) sert de butée pour l'élément élastique (8), où le talon et donc l'élément élastique (8) se situent à une distance de la paroi (11) et l'au moins une ouverture (10).
  2. La garniture d'entrée (1) selon la revendication 1, caractérisée en ce que la pression prédéterminée (P1) est dans la plage de 3 à 7 bar, en particulier de 4 à 6 bar et / ou que le débit constant (Q1) est dans la plage de 0,1 à 0,2 litres par seconde.
  3. La garniture d'entrée selon la revendication 1 ou 2, caractérisée en ce que l'élément de limitation du débit (7) réduit la section du canal de guidage d'eau (3) lors d'une pression montante, où l'élément de limitation de débit (7) est préférablement formé de sorte qu'une section minimale reste ouverte en présence d'une pression maximale.
  4. La garniture d'entrée selon une des revendications précédentes, caractérisée en ce que la paroi (11) comporte des points de support faisant saillie vers l'élément élastique (8).
  5. La garniture d'entrée selon une des revendications précédentes, caractérisée en ce que l'élément élastique (8) est un disque élastique.
  6. La garniture d'entrée selon une des revendications précédentes, caractérisée en ce que le mandrin est disposé avec l'élément élastique (8) sur un élément de support (17) inséré dans le canal de guidage d'eau (3).
  7. La garniture d'entrée selon la revendication 6, caractérisée en ce que l'élément de support (17) met à disposition ledit rétrécissement (9) et comprend ladite paroi (11) et l'ouverture (10).
  8. La garniture d'entrée selon une des revendications précédentes, caractérisée en ce que l'élément élastique (8) présente une dureté Shore de plus de 50 Shore ou de plus de 60 Shore ou de plus de 70 Shore.
  9. La garniture d'entrée selon une des revendications précédentes, caractérisée en ce que la garniture d'entrée (1) comprend un tuyau de sortie (14), à travers duquel l'eau de chasse peut être émise dans une chasse d'eau, où l'élément de limitation de débit (7), vu en direction d'écoulement, se situe avant le tuyau de sortie (14).
  10. La garniture d'entrée selon une des revendications précédentes, caractérisée en ce que le canal de guidage d'eau (3), vu depuis l'entrée, comprend une buse (15) ayant un canal de buse (16), où l'élément de limitation du débit (7) forme partie de la buse (15) ou se situe à proximité immédiate de la buse (15) et / ou où l'élément de limitation de débit (7), vu en direction d'écoulement, se situe après la buse (15) et / ou que l'élément de limitation de débit (7), vu en direction d'écoulement, se situe avant la soupape commandé par flotteur (6).
EP13192466.4A 2013-11-12 2013-11-12 Garniture d'entrée pour une chasse d'eau Active EP2871294B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PT13192466T PT2871294T (pt) 2013-11-12 2013-11-12 Guarnição de entrada para um autoclismo uma guarnição de entrada (1) para enchimento
ES13192466.4T ES2689775T3 (es) 2013-11-12 2013-11-12 Válvula de entrada para una cisterna
EP13192466.4A EP2871294B1 (fr) 2013-11-12 2013-11-12 Garniture d'entrée pour une chasse d'eau

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13192466.4A EP2871294B1 (fr) 2013-11-12 2013-11-12 Garniture d'entrée pour une chasse d'eau

Publications (2)

Publication Number Publication Date
EP2871294A1 EP2871294A1 (fr) 2015-05-13
EP2871294B1 true EP2871294B1 (fr) 2018-08-08

Family

ID=49582583

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13192466.4A Active EP2871294B1 (fr) 2013-11-12 2013-11-12 Garniture d'entrée pour une chasse d'eau

Country Status (3)

Country Link
EP (1) EP2871294B1 (fr)
ES (1) ES2689775T3 (fr)
PT (1) PT2871294T (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105587907B (zh) * 2015-12-10 2018-09-28 厦门康谱卫浴科技有限公司 一种耐污易清洗的快拆进水阀
EP3736388B1 (fr) 2019-05-09 2023-11-22 TECE GmbH Soupape de remplissage pourvue de protection contre la contamination
EP4116511A1 (fr) 2021-07-09 2023-01-11 Geberit International AG Soupape de remplissage
EP4116512A1 (fr) 2021-07-09 2023-01-11 Geberit International AG Soupape de remplissage

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2960109A (en) * 1957-01-07 1960-11-15 Gen Controls Co Flow regulator
US3409050A (en) * 1965-10-12 1968-11-05 Harry Swartz Flow restrictor
FR2865749B1 (fr) * 2004-01-30 2008-02-15 Sanitaire Accessoires Services Reducteur de debit silencieux pour robinet flotteur
US7950412B2 (en) * 2006-10-25 2011-05-31 Fluidmaster, Inc. Non-removable refill restrictor apparatus
US8714201B2 (en) * 2012-02-07 2014-05-06 Water Boger Hardware (Shenzhen) Co., Ltd. Water-saving device structure

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2871294A1 (fr) 2015-05-13
PT2871294T (pt) 2018-10-24
ES2689775T3 (es) 2018-11-15

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