EP3455421A1 - Outlet valve for a flush tank and flush tank having an outlet valve - Google Patents
Outlet valve for a flush tank and flush tank having an outlet valveInfo
- Publication number
- EP3455421A1 EP3455421A1 EP17722425.0A EP17722425A EP3455421A1 EP 3455421 A1 EP3455421 A1 EP 3455421A1 EP 17722425 A EP17722425 A EP 17722425A EP 3455421 A1 EP3455421 A1 EP 3455421A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- pull tab
- drain valve
- spacer
- cistern
- 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
Links
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
-
- 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
Definitions
- the invention relates to a drain valve for a sanitary cistern, in particular concealed cistern, with a valve housing and guided in the valve housing, designed as an overflow valve body with a valve seat associated seal, wherein the valve body with at least one pull tab for lifting the valve body and a buoyancy body is provided. Furthermore, the invention relates to a sanitary cistern, preferably in the form of a flush-mounted cistern, with a rear wall, a front wall and a
- Drain valve wherein in the upper portion of the front wall an inspection opening for mounting and dismounting of the drain valve is formed.
- Drain valves of the aforementioned type are known in various embodiments for a long time. For reliable operation of the drain valve, it must be aligned and fixed substantially vertically in the cistern. To fix conventional cistern drain valves separate additional parts in the form of downers and spacers are used. The orientation and fixation of conventional cistern drainage valves is often difficult in practice, especially when the drain valve must be dismantled by a trained in the front wall of a flush-mounted cistern inspection opening and then re-assembled. The inspection opening is relatively small, while Spülkasten- drain valves typically have a relatively long design. The installer must therefore often handle a difficult handling during disassembly and assembly of the drain valve.
- the present invention seeks to provide a drain valve of the type mentioned above, which is easier in a sanitary cistern, in particular flush-mounted cistern, mount and remove easier to remove from the cistern during maintenance or repair.
- a drain valve with the features specified in claim 1.
- a drain valve according to the invention having cistern with the features specified in claim 11.
- drain valve according to the invention and of the flush valve according to the invention comprising the flushing cistern are specified in the subclaims.
- the drain valve according to the invention is characterized in that the
- Valve housing is provided at its upper end with a spacer for alignment and fixation of the drain valve in the cistern, wherein the pull tab is pivotally connected to the valve body and the spacer has a pull tab associated abutment which acts as a fulcrum for the pull tab, so that the pull tab is movable from an upright position to a folded position and the valve body connected to the pull tab is raised in the folded position of the pull tab against the valve seat.
- the spacer connected to the valve housing thus constitutes an integrated component of the drainage valve according to the invention.
- the drainage valve can be intuitively oriented and fixed in the cistern by the integrated spacer.
- no further part is required as a spacer.
- the outer dimensions of the spacer correspond to inner surfaces of the cistern so that it is stiffened by the insertion of the drain valve with the integrated spacer.
- the drain valve is indeed somewhat larger in its transverse dimensions, but this does not affect the assembly and disassembly of the drain valve. Rather, the advantage outweighed by the shortening of Length of the drain valve when folding the pull tab results in the relatively small increase in the transverse dimensions of the drain valve considerably.
- An advantageous embodiment of the drain valve according to the invention provides that the spacer is rotatably mounted at the upper end of the valve housing.
- the axis of rotation preferably runs essentially at right angles to the vertical longitudinal axis of the drainage valve.
- the axis of rotation of the spacer runs substantially parallel to the rear wall of the cistern or parallel to the pivot axis of the folding pull tab. Due to the pivot bearing of the
- Rotary mounting of the spacer at the upper end of the valve housing can be functionally simple and reliable realize by a preferred
- the spacer is frame-shaped and has on its rear side one or more of the rear wall of the cistern associated with projections.
- the frame-shaped configuration of the spacer is low in terms of design for a rotatable connection of the spacer at the upper end of the valve housing.
- the frame-shaped spacer is tapered in the direction of its front side or in the direction of the counter-bearing associated with the pull tab.
- the conditional by the spacer increase in the transverse dimensions of the drain valve can be kept low.
- the frame-shaped spacer can have curved, angled or bent side rails.
- the Rear wall of the cistern facing spar of the frame-shaped spacer be sized wider than the front, the front wall of the cistern facing spar of the spacer.
- the folding mechanism of the pull tab is designed according to a further embodiment of the invention so that the pull tab associated abutment protrudes at the top of the spacer and has a groove for receiving a portion of the pull tab.
- Outlet valve a large stroke of the valve body (overflow pipe) can be achieved for a shortening of the length of the drain valve.
- the groove for receiving a portion of the pull tab secures the position of the pull tab when it is in its folded position.
- the upper, foldable portion of the pull tab is preferably angled, wherein a first portion of the foldable portion has an elongated eyelet for coupling the pull tab to a lift mechanism, and wherein a second portion adjoins this first portion which is angled with the first portion in the range of 120 ° to 150 °, preferably in the range of 130 ° to 140 ° and is pivotally connected to the valve body (overflow pipe).
- the drain valve according to the invention is designed as a two-volume drain valve.
- the drain valve then has a second pull tab, which is pivotally mounted on the drain valve, wherein the spacer has a second pull tab associated second abutment, which serves as a fulcrum for the second
- a further advantageous embodiment of the drain valve according to the invention is that the two counter-bearings on their outer sides facing away from each other each having a three-dimensionally structured gripping surface.
- the counter bearings thus also serve as a handle during assembly and disassembly of the drain valve.
- the three-dimensionally structured grip surface ensures non-slip handling of the drain valve. Furthermore, the installer of the drain valve is easily understood by the three-dimensional structure of the gripping surfaces that the surfaces designed in this way serve as gripping surface.
- a further advantageous embodiment of the drain valve according to the invention is characterized in that the spacer is provided with a latching element, by means of which the first-mentioned pull tab or the second pull tab can be releasably latched in its folded position on the spacer.
- valve housing is at its lower end with a valve seat, vertical
- valve housing is detachably connected to the holder.
- the valve housing can thus be separated from the holder having the valve seat.
- the length of the drain valve for its assembly and disassembly can be reduced particularly advantageous.
- the separation of the valve housing from the valve seat having the holder and the lifting of the valve body (overflow pipe) and not only the folding of the pull tab (s) can be used in terms of shortening the length of the drain valve.
- An advantageous embodiment of a sanitary cistern according to the invention preferably flush-mounted cistern, which has a rear wall, a front wall and an inventive drain valve, wherein in the upper portion of the
- Front wall an inspection opening for mounting and dismounting of the drain valve is formed is characterized in that the rear wall on its inside Has at least one recess and / or at least one projection for the positive fixing of the spacer.
- This embodiment contributes to an improved alignment and fixation of the drain valve according to the invention.
- one or more angular projections are formed on the inside of the cistern rear wall, which are under attack in the mounted state of the drain valve of the spacer or protruding projections projecting therefrom.
- Fig. L an inventive drain valve in a perspective
- FIG. 2 shows the drain valve of FIG. 1 in a side view
- FIG. 3 shows the drain valve of FIG. 1 in a plan view
- Fig. 4 is a longitudinal sectional view of the drain valve of FIG. 1 along the
- Fig. 6 shows the pull tabs of the drain valve in their upright position and in Fig. 5 in their folded position
- FIG. 7 and 8 are two further side views of the drain valve, wherein in Fig. 8 the
- FIGS. 9 to 11 show a section of a concealed cistern in the region of its
- the drainage valve 1 is preferably designed as a two-flow drain valve, ie with him can optionally a larger amount of flushing water for a so-called full flush or a smaller amount of flushing water for a so-called Partial flush are delivered.
- actuating device is arranged in the upper region of the cistern. This has two independently operable controls.
- the controls are designed, for example, as movably mounted pushbuttons, each of the pushbuttons being associated with a lifting mechanism (not shown).
- the respective lifting mechanism is coupled to one of two pull tabs 2, 3 of the drain valve 1, which at its upper end an elongated eyelet 2.1, 3.1, in which engages the lifting mechanism.
- the drain valve 1 has a valve housing 4, which is formed substantially sleeve-shaped.
- the valve housing 4 is open at the bottom and has at the upper end two substantially horizontally extending, mutually vertically offset
- Partitions 4.1, 4.2 down a float or buoyancy chamber 4.3 and up two reservoirs 5.1, 5.2 limit.
- the partitions 4.1, 4.2 are connected to each other by an inner, substantially vertically extending partition wall 4.4 and define a substantially centrally disposed passage opening 6, through which a trained as an overflow valve body 7 is guided raised and lowered.
- annular disc-shaped seal 8 is mounted, which rests with a closed drain valve on a valve seat 9 (see Fig. 8).
- the valve seat 9 preferably has a circumferential, upwardly projecting annular bead.
- the seal 8 is in a on the outside of the Overflow tube 7 trained annular groove used and preferably consists of rubber-elastic material.
- valve body 7 functioning as an overflow pipe is provided with a buoyancy body (float) 10.
- the buoyant body 10 is fixedly connected to the overflow pipe 7, arranged above the seal 8 and guided in the buoyancy body 4.3.
- the valve housing 4 is arranged laterally with at different heights
- Through openings 11 are provided, which serve as ventilation openings and a
- the upper reservoir 5.1 is provided with a vent 13, which is designed as a passage opening with a vertically displaceable plug and when triggering a flush by pulling up the overflow pipe 7, a displacement of the water above the buoyancy body (float) 10 from the valve housing 4 allows.
- the drain valve 1 has an open-topped container 14 for receiving water, which acts on release of a partial flush as additional weight and laterally has an opening 15 which can be opened and closed via a slide 16.
- the container 14 is associated with a lever 17 which connects the container 14 (as additional weight) with the overflow pipe 7 when a partial flush.
- One of the two pull tabs 2, 3 is to trigger a full flush with the
- Valve body (overflow pipe) 7 connected, while the other pull tab for
- Triggering a partial flush is connected to the container 14.
- the overflow pipe 7 is pulled with the first pull tab 2 upwards.
- water located above the buoyant body 10 is displaced from the chamber 4.3 and pressed by the through opening provided with the displaceable plug 18.
- the plug 18 closes the through-hole while the water level W in the cistern continues to decrease. Due to the closed vent 13, a negative pressure is maintained in the chamber extension 4.31 above the buoyant body 10, which keeps the water in the chamber extension 4.31 and prevents a sinking of the buoyant body 10 and thus the overflow pipe 7.
- the annular gap 19 between the overflow pipe 7 and the valve housing 4 seals the space between the valve housing 4 and the buoyancy body 10 to a limited extent, whereby the water level in the cistern below the water level in the valve housing 4 may decrease and the drain valve 1 initially remains open. However, if the water level in the flushing cistern reaches the opened ventilation opening 11 in the side wall of the valve housing 4, then air flows into the valve housing, as a result of which the negative pressure prevailing there is released. The water above the buoyant body 10 now acts with its weight on the buoyant body, causing it falls with the overflow pipe 7 and the
- Drain valve 1 closes.
- the container 14 is pulled with the second pull tab 3 upwards.
- the overflow pipe 7 fork-shaped claw (not shown) which is fixedly connected to the container 14 and which is associated with a trained on the overflow pipe 7 stop (not shown)
- the overflow pipe 7 is lifted with.
- water located above the buoyant body 10 is displaced from the chamber 4.3 and pressed by the provided with the displaceable stopper 18 through opening.
- the plug 18 closes the passage opening while the water level in the cistern continues to drop.
- a negative pressure which keeps the water in the chamber extension 4.31 and prevents the buoyancy body 10 and thus the overflow pipe 7 from sinking, is again held in the chamber extension 4.31 above the buoyant body 10.
- the lever 17 connected to the container 14 pivots during the upward movement of the container 14 by the action of a provided in the valve housing 4 radial projection to the side, so that the lever 17 engages a formed on the overflow pipe 7 paragraph 7.1 and so the container 14 on
- Overflow pipe 7 is supported, so that the container 14 does not immediately sink back to its original position. If the water level in the cistern falls below the height of the container 14, then this acts with its water content as additional weight on
- the overflow pipe 7 falls down and the drain valve 1 closes.
- the height of the opening edge (overflow edge) 14.1 on the container 14 and thereby the water content received in the container 14 and thus the additional weight can be adjusted.
- the less water the container 14 receives the longer the drain valve 1 remains open at the partial flush.
- the partial flush is terminated at the latest when the water level in the cistern reaches a formed in the horizontal valve housing partition wall 4.2 passage opening 20 which is closed by a formed on the underside of the raised and lowered container 14 plug 14.2 1. Then air flows through the open passage 20 into the chamber 4.3 of the drain valve 1 and raises the negative pressure above the
- the drain valve 1 at the lower end of the valve housing 4 comprises a holder 21, which has an outlet 22, the valve seat 9, vertical spacers 23 and a housing 24 receiving the valve housing 4.
- the outlet 22 is provided on its outside with a sealing ring (O-ring) 25 and is inserted into an outlet (not shown) of the cistern to which a flushing pipe leading to the toilet bowl is connected.
- the valve housing 4 is detachably connected to the enclosure 24 of the holder 21 or
- valve housing 4 At its upper end, the valve housing 4 is provided with an integrated spacer 26 for alignment and fixation of the drain valve 1 in the cistern.
- the spacer 26 is frame-shaped and at the upper end of the
- Valve housing 4 rotatably mounted. It has for this projecting down
- axis of rotation relative to the valve housing 4 pivotally.
- the axis of rotation of the spacer 26 extends substantially parallel to a plane in which the elongated eyelets 2.1, 3.1 of the pull tabs 2, 3 are located.
- the integrated spacer 26 On its rear side, the integrated spacer 26 has two horizontally
- Cistern are assigned.
- the rear wall 30.1 of the cistern 30 shown in Figures 9 to 11 has on its inside projections 30.3, 30.4, which serve the positive fixing of the spacer 26.
- the projections are designed so that it can be set by the spacer 26 with the drain valve 1 vertically and horizontally in the cistern 30, without the need for further fixing means are required.
- the projections 30.3, 30.4 formed on the inside of Spülkasten Wegwand 30.1 angle-shaped (see Fig. 9).
- the angular projections 30.3, 30.4 of the Spülkasten Wegwand 30.1 of the spacer 26 rear projecting projections 26.3, 26.4 are under attack.
- the projections 26.3, 26.4 of the spacer have, for example, a cross-shaped profile when viewed in cross-section.
- the crevices of the back wall 30.1 facing tips 26.3, 26.4 and the corners of the profile webs are preferably rounded.
- Spacer 26 is tapered towards its front.
- the spacer 26 has cranked side rails 26.5, 26.6, wherein the rear, the rear wall 30.1 of the cistern facing the spar 26.7 is dimensioned wider than the front, the
- the pull tabs 2, 3 of the drain valve 1 are designed to be foldable. By folding the pull tabs 2, 3, the total length of the drain valve 1 can be shortened, whereby the handling of the drain valve 1 during its assembly and disassembly in the cistern 30 via the inspection opening 30.2 of the cistern is greatly facilitated. By folding over the pull tab 2 connected to the raisable and lowerable valve body (overflow pipe) 7, the valve body 7 is also raised.
- the pull tab 2 is pivotally connected to the valve body 7, wherein the spacer 26 has a pull tab 2 associated counter bearing 26.9, which acts as a fulcrum for the pull tab 2, so that the pull tab 2 is movable from an upright position to a folded position and the connected to the pull tab 2 valve body 7 is raised in the folded position of the pull tab 2 relative to the valve seat 9.
- the upper, foldable portion of the pull tab 2 is preferably formed angular. It has a first section 2.2 and an integrally adjoining second section 2.3, wherein the two sections 2.2, 2.3 together include an angle in the range of 130 ° to 140 °, for example, an angle of about 135 °.
- the first section 2.2 has the elongated eyelet 2.1 of the pull tab 2, while the second section 2.3 with the valve body
- the upper, foldable portion of the second pull tab 3 is preferably also formed angular. He also has a first section 3.2 and an integrally adjoining second section 3.3, both
- Subsections 3.2, 3.3 turn an angle in the range of 130 ° to 140 °, for example, include an angle of about 135 °.
- the elongate eyelet 3.1 of the second pull tab 3 is defined by the first section 3.2, while the second section 3.3 pivotally at the upper end of a container with the 14th
- the integrated spacer 26 of the drain valve 1 also has a second pull tab 3 associated second abutment 26.10, which acts as a fulcrum for the pull tab 3, so that the pull tab 3 is movable from an upright position to a folded position.
- Both the first pull tab 2 associated abutment 26.9 and the second pull tab 3 associated abutment 26.10 projecting at the top of the spacer 26 and each have a groove 27, 28 for receiving a portion of the pull tab 2, 3 and of the eyelet 2.1 , 3.1
- the two abutments 26.9, 26.10 have on their opposite outer sides in each case a three-dimensionally structured gripping surface 29.1, 29.2, so that the spacer 26 can be easily grasped with thumb and forefinger.
- the spacer 26 is further provided with a latching element 32, by means of which the pull tab 3 can be releasably latched in its folded position on the spacer 26.
- the locking element 32 is nose-shaped and engages over the eyelet 3.1 defining portion of the pull tab. 3
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL17722425T PL3455421T3 (en) | 2016-05-09 | 2017-05-08 | Outlet valve for a flush tank and flush tank having an outlet valve |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016108510.3A DE102016108510A1 (en) | 2016-05-09 | 2016-05-09 | Drain valve for a cistern and cistern with drain valve |
PCT/EP2017/060907 WO2017194463A1 (en) | 2016-05-09 | 2017-05-08 | Outlet valve for a flush tank and flush tank having an outlet valve |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3455421A1 true EP3455421A1 (en) | 2019-03-20 |
EP3455421B1 EP3455421B1 (en) | 2019-09-25 |
Family
ID=58692488
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17722425.0A Active EP3455421B1 (en) | 2016-05-09 | 2017-05-08 | Outlet valve for a flush tank and flush tank having an outlet valve |
Country Status (8)
Country | Link |
---|---|
US (1) | US10364561B2 (en) |
EP (1) | EP3455421B1 (en) |
CN (1) | CN109196172B (en) |
AU (1) | AU2017262964B2 (en) |
DE (1) | DE102016108510A1 (en) |
ES (1) | ES2752740T3 (en) |
PL (1) | PL3455421T3 (en) |
WO (1) | WO2017194463A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107747339A (en) * | 2017-11-10 | 2018-03-02 | 广东皮阿诺科学艺术家居股份有限公司 | A kind of tank of electric drainage device and the application device |
US11286655B2 (en) | 2019-02-15 | 2022-03-29 | Kohler Co. | Universal canister flush valve |
FR3129958B1 (en) * | 2021-12-03 | 2023-11-17 | Siamp Cedap Reunies | Toilet flushing device and method of dismantling and reassembling such a device through an inspection hatch of a flushing tank |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5249313A (en) * | 1992-02-03 | 1993-10-05 | Chang Fong Chyi | Control device for a pull type flush tank |
DE29906646U1 (en) | 1998-06-03 | 1999-07-29 | Prosan D O O | Drain fitting for a cistern |
DE10049645C1 (en) | 2000-10-05 | 2002-01-03 | Georg Fischer Schwab Gmbh | Discharge fitting for WC cistern; has valve with valve body that has lower and upper float bodies arranged in float casing, where lower float body is held by magnetic force during partial flush |
GB2396163B (en) * | 2002-12-12 | 2006-05-17 | Polypipe Bathroom & Kitchen Pr | Valve assembly for discharging a cistern |
EA014601B1 (en) * | 2006-10-03 | 2010-12-30 | Экзакибаси Япи Гереклери Санайи Ве Тикарет А. С. | Flush device with dual volume of water flush |
DE102007001718B4 (en) | 2006-11-03 | 2022-09-08 | Tece Gmbh | Drain valve with adjustable full flush volume |
CN101210625A (en) * | 2006-12-26 | 2008-07-02 | 戴学祥 | Plane rotation valve flap stop valve |
WO2009012226A1 (en) * | 2007-07-18 | 2009-01-22 | Fluidmaster, Inc. | Flush valve mechanisms |
DE202008010196U1 (en) * | 2008-07-30 | 2009-12-17 | Viega Gmbh & Co. Kg | Drain valve for a cistern |
CN202202376U (en) * | 2011-08-04 | 2012-04-25 | 虞吉伟 | Injection water-saving device |
-
2016
- 2016-05-09 DE DE102016108510.3A patent/DE102016108510A1/en not_active Ceased
-
2017
- 2017-05-08 AU AU2017262964A patent/AU2017262964B2/en active Active
- 2017-05-08 CN CN201780028853.8A patent/CN109196172B/en active Active
- 2017-05-08 WO PCT/EP2017/060907 patent/WO2017194463A1/en unknown
- 2017-05-08 US US16/077,222 patent/US10364561B2/en active Active
- 2017-05-08 ES ES17722425T patent/ES2752740T3/en active Active
- 2017-05-08 EP EP17722425.0A patent/EP3455421B1/en active Active
- 2017-05-08 PL PL17722425T patent/PL3455421T3/en unknown
Also Published As
Publication number | Publication date |
---|---|
CN109196172B (en) | 2020-02-21 |
ES2752740T3 (en) | 2020-04-06 |
US10364561B2 (en) | 2019-07-30 |
EP3455421B1 (en) | 2019-09-25 |
AU2017262964A1 (en) | 2018-08-09 |
DE102016108510A1 (en) | 2017-11-09 |
AU2017262964B2 (en) | 2019-08-01 |
CN109196172A (en) | 2019-01-11 |
US20190032314A1 (en) | 2019-01-31 |
WO2017194463A1 (en) | 2017-11-16 |
PL3455421T3 (en) | 2020-01-31 |
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