EP3358094A1 - Clapet anti-retour pour une douche anale - Google Patents

Clapet anti-retour pour une douche anale Download PDF

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Publication number
EP3358094A1
EP3358094A1 EP18154708.4A EP18154708A EP3358094A1 EP 3358094 A1 EP3358094 A1 EP 3358094A1 EP 18154708 A EP18154708 A EP 18154708A EP 3358094 A1 EP3358094 A1 EP 3358094A1
Authority
EP
European Patent Office
Prior art keywords
jet nozzle
opening
housing
jet
cartridge
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
EP18154708.4A
Other languages
German (de)
English (en)
Other versions
EP3358094B1 (fr
Inventor
Matthias Hauth
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.)
Neoperl GmbH
Original Assignee
Neoperl GmbH
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 Neoperl GmbH filed Critical Neoperl GmbH
Publication of EP3358094A1 publication Critical patent/EP3358094A1/fr
Application granted granted Critical
Publication of EP3358094B1 publication Critical patent/EP3358094B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
    • E03D9/08—Devices in the bowl producing upwardly-directed sprays; Modifications of the bowl for use with such devices ; Bidets; Combinations of bowls with urinals or bidets; Hot-air or other devices mounted in or on the bowl, urinal or bidet for cleaning or disinfecting
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/10—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves
    • E03C1/102—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves using an air gap device

Definitions

  • the invention relates to a backflow barrier which has a jet nozzle which can be connected to an inlet and a catching part which has to capture the liquid jet coming from the jet nozzle via a free jet path and which can be connected to a drain, and with a jet below the free jet arranged outlet, which outlet hasRESêt a not captured by the capture part liquid subset.
  • the known backflow barrier has a housing in which a jet nozzle is provided.
  • the jet nozzle In order to connect the jet nozzle to the general drinking water supply network, the jet nozzle can be connected to a housing inlet.
  • a catching part In the housing, a catching part is provided, which has to capture the coming of the jet nozzle via a free jet path liquid jet.
  • the catching part in the housing can be connected to a housing outlet.
  • Below the jet section located between the jet nozzle and the trapping part there is arranged a housing outlet which has to discharge an amount of liquid, not trapped by the trapping part, out of the housing interior.
  • the pressure energy of the inflowing water from the supply network in the jet nozzle is converted into kinetic energy to bring the water jet on the short free jet distance to the atmosphere in combination and then again at least partially convert the kinetic energy of the water jet in the region of the trapping part, also referred to as a diffuser, into pressure energy, which is required, for example, for the cleaning jet of the under-showers.
  • the jet nozzle and the capture part are to be adapted to each other and to the specific conditions of the respective supply network . It is a disadvantage that the prior art backflow barriers are indeed optimized in view of the prevailing conditions in a particular supply network, but that these backflow barriers may not provide optimal performance under different conditions. It is always effective to ensure that the pipe network is not contaminated with dirty water.
  • a jet which is misdirected next to the capture opening of the capture part can splash on impact such that contaminated liquid droplets are unintentionally thrown back into the area of the jet nozzle. It is therefore also an object to provide a backflow barrier of the type mentioned, in which it is ensured that a misdirected next to the capture opening of the Einfangvons jet does not spray in such a way that contaminated liquid droplets are unintentionally thrown into the area of the jet nozzle and this Area can contaminate.
  • an invention proposal of its own worthy protection provides that at least one spray or partition wall is arranged in the free beam path with a distance of the jet nozzle and capture part, which spray or partition has a passage opening, which in comparison to the beam cross-section of the Liquid jet has larger clear opening cross-section. If a beam is inadvertently misdirected next to the capture opening of the capture part, this misdirected beam component can at most spray back to the spray or partition wall, but this spray or partition wall effectively protects the underlying area of the jet nozzle. In this way, unintentional contamination in the area of the jet nozzle due to thrown back liquid droplets with certainty is excluded.
  • the spray or dividing wall does not have the function of bundling the jet of liquid coming from the jet nozzle, which is why the jet opening provided in the spray or dividing wall should have a clear opening cross section which is slightly larger in comparison to the jet cross section of the liquid jet.
  • the clear opening cross-section of the transmission opening is dimensioned such that the liquid jet passes unbundled from the transmission opening and just passes through it without contact.
  • the spray or partition wall can catch the water droplets not captured by the catching part well, it is advantageous if the spray or partition wall at least four Millimeter on the one hand from the capture part and on the other hand from the jet nozzle is spaced.
  • an embodiment is preferred in which the distance provided between the jet nozzle and the capture part spray or partition wall is arranged closer to the capture part.
  • the achievement of this object is in the backflow barrier of the type mentioned in particular in that the catching part has a capture opening, which has a hollow cylindrical clear opening cross-section at least in its inflow-side section.
  • a particularly advantageous development according to the invention provides that the catching part on the outflow side of the hollow cylindrical section has at least one conically or in the clear cross-section widening arc section and that preferably at least two sections adjoin, of which the inflow-side section compared to the subsequent section has less expansion. It has surprisingly been found that a catch part designed accordingly in its clear cross-section is characterized by an effective energy conversion. In this case, provided on the outflow side of the hollow cylindrical portion sections of the capture opening can be separated by clearly distinguishable boundary lines or merge into one another by soft transitions.
  • the optimized coordination between the jet nozzle and the catching part can be impaired if, in particular, dirt or calcium deposits form on the nozzle opening of the catching part.
  • Such lime deposits are possible if the water droplets remaining at the nozzle opening of the jet nozzle evaporate and a lime residue originally contained in the water remains behind.
  • the achievement of this object is in the backflow barrier of the type mentioned in particular in that the jet nozzle is displaceably guided in the backflow barrier and displaced from a standby position into a spraying position, in which injection position the jet nozzle with its nozzle orifice delimiting a nozzle section through opening pierces, which is provided in an elastic membrane or closed in the ready position by a flap.
  • the jet nozzle is guided displaceably in the return flow barrier and displaceable from a standby position into a spray position. While the jet nozzle in the spray position with its nozzle opening delimiting nozzle portion pierces a through-hole provided in an elastic membrane or in the standby position is closed by a flap, the jet nozzle is concealed in the standby position of the elastic membrane or the flap, so that one Lime deposits leading to reduced evaporation occurs.
  • a preferred embodiment according to the invention provides that a sleeve-shaped jet nozzle receptacle is provided, in which the jet nozzle slidably guided, and that the jet nozzle receiving is connected via at least one connecting web with the catching part.
  • edge region delimiting the nozzle opening should be designed as sharp-edged as possible in order to allow a non-squirting liquid jet to emerge from the jet nozzle.
  • this sharp-edged configuration of the edge region delimiting the nozzle opening is impaired by external influences.
  • a preferred embodiment according to the invention provides that an annular ring is provided to the jet nozzle Projection is integrally formed, which surrounds the nozzle opening.
  • the generation of a high-energy and non-splashing liquid jet in the jet nozzle is favored when the nozzle opening of the jet nozzle delimiting opening edge is sharp-edged and designed to be chamfered and without rounding.
  • this opening edge of the nozzle opening has an edge degree of less than 0.1 mm or greater minus 0.1 mm.
  • An optimized outlet of the liquid jet from the jet nozzle is favored when the jet nozzle has a hollow cylindrical clear cross-section in the region of its nozzle opening.
  • a preferred development according to the invention provides that the jet nozzle is arranged in the region of the nozzle opening in the standby position in a water bath or surrounded by water, and in that the flap or the membrane, the through-hole preferably closes liquid-tight in the standby position. Since the jet nozzle is arranged with its nozzle opening in the standby position in a water bath or surrounded by water, evaporation-related limescale deposits on the nozzle opening of the jet nozzle is effectively counteracted. The jet nozzle is only advanced from the water bath or from the water surrounding in the ready position, when the jet nozzle pierces the insertion opening in the spray position, which provided in the elastic membrane or while the standby position is closed by a flap.
  • the sliding movement of the jet nozzle between the ready position and the injection position is possible by means of a motor drive.
  • a particularly simple and therefore preferred embodiment according to the invention provides that the jet nozzle is displaceable from the ready position against a restoring force in the injection position.
  • a preferred development according to the invention provides, instead of a motor drive, that the jet nozzle is displaceable under the pressure of the liquid flowing through.
  • At least one restoring spring can be provided as restoring force, in particular if the insertion opening is to be closed by a flap during the standby position.
  • the restoring force is the inherent elasticity of the material used for the membrane, which is preferably applied to the jet nozzle.
  • the jet nozzle projects into a cup-shaped membrane which carries the push-through opening on a pot base of its cup shape, and if the peripheral edge remote from the bottom of the pot the membrane is elastically supported on the jet nozzle.
  • a preferred embodiment according to the invention provides that the membrane in the pot bottom of their Cup form the jet nozzle receptacle in the region of an opening provided in the guide wall seals and that the membrane at the periphery of its pot shape has at least one flow opening, which connects the interior of the jet nozzle recording with the interior of the cup-shaped membrane.
  • the sliding movement of the jet nozzle takes place against the inherent elasticity of the membrane. Since the membrane in its the jet nozzle acting on the peripheral edge area must have sufficient space for membrane deformation available, and since the sliding movement of the jet nozzle can be obstructed by means of the membrane densely separated amount of water, there is always a sufficient balance of located in the jet nozzle recording Ensure water during the sliding movement.
  • the membrane at the periphery of its pot shape has at least one flow opening which connects the interior of the jet nozzle recording with the interior of the cup-shaped membrane, a damming a water subset obstructing the sliding movement of the jet nozzle is counteracted.
  • an object of the above-mentioned backflow barrier is also to provide a backflow barrier that can easily be connected upstream of a sanitary consumption point on the inflow side and which are predetermined with very little effort Adjust conditions such that this backflow barrier is characterized by an optimal function.
  • the backflow barrier according to the invention should be easy to clean and descaling if necessary even with little effort.
  • the achievement of this task is in the rinse-barrier of the type mentioned in particular in that an insertion cartridge is provided, which carries the jet nozzle and the catching part, that the insertion cartridge is held in a position of use such that the jet nozzle is connected to the inlet and the catching part with the drain, and that the insertion cartridge has at least one cartridge opening which can be connected to the outlet and which is arranged between the jet nozzle and the capture part and forms or limits the free jet path.
  • the designed according to this invention proposal backflow barrier has an insertion cartridge, which Einsetzkartusche has a, connectable to an inlet blast nozzle and a connectable with a drain catching part. While the jet nozzle is connected via the inlet to the general supply network, the catching part directs the water through the drain to a sanitary use point or a comparable water outlet. In this case, the insertion cartridge is held in a position of use such that the jet nozzle is connected to the inlet and at the same time the catching part to the drain.
  • the insertion cartridge has at least one cartridge opening in the cartridge section which is arranged between the jet nozzle and the capture part and delimits the free jet path, said cartridge opening being connectable to the outlet.
  • the inventive backflow barrier which can be upstream on a toilet seat, a toilet ceramics or, for example, a bathtub on the inflow side, with little effort to a variety of predetermined conditions adapt such that always a optimal function is guaranteed.
  • the backflow barrier according to the invention easy to clean and if necessary also to descale.
  • a preferred embodiment according to the invention provides that the insertion cartridge can be inserted into an insertion opening of a cartridge receptacle and is preferably detachably fixable there such that the blasting nozzle is connected to the inlet of the cartridge receptacle and the catching part to the outlet of the cartridge receptacle is, and that the insertion cartridge disposed in the between the jet nozzle and the capture part and the free jet path forming or delimiting cartridge portion has at least one connectable to the outlet of the cartridge receptacle cartridge opening.
  • This cartridge receptacle can be formed in a toilet seat or in a bathtub or designed as an insertable into the toilet seat or the bathtub and designed, for example, as a plastic part housing.
  • Such an embodiment can be advantageously used in particular in the hospital sector, where a transmission of germs is to be counteracted.
  • the jet nozzle and the cooperating and also provided in the Einsetzkartusche catching part can readily be designed so that the backflow barrier according to the invention is virtually free of leakage in the beam path.
  • the insertion cartridge can be easily Insert positionally correct in the backflow barrier according to the invention, when the insertion cartridge is inserted into an insertion opening of a cartridge receptacle and preferably releasably fixable, that the jet nozzle is connected to the inlet and the catching part with the expiration of the cartridge receptacle.
  • the insertion is closed by a cap on which cap the insertion cartridge is detachably fixed or non-detachably connected.
  • the insertion cartridge can be grasped and handled over the cap. It is expedient if the insertion cartridge on the cap at least in the direction of rotation and optionally also in the longitudinal direction in its relative position can be fixed, so that at the same time a positioning in the cartridge receptacle is ensured.
  • the cap is preferably detachably held in the region of the cartridge receptacle by means of a screw or a bayonet or the like plug / rotary connection.
  • the insertion cartridge or the insertion housing can be easily fixed to the cap when the cap has a cap extension on which the insertion cartridge with a frontally open cartridge end portion is pushed or plugged.
  • a preferred embodiment according to the invention provides that the insertion cartridge has at least one inlet, which inlet can be connected to the inlet of the cartridge receptacle via an annular space bounded on both sides circumferentially between the inner circumference of the cartridge receptacle and the outer circumference of the cartridge and sealed in the longitudinal direction of the cartridge receptacle.
  • the connection of the blasting nozzle to the inlet of the cartridge receptacle is accomplished simultaneously.
  • the water flowing into the cartridge receptacle via the inlet of the cartridge receptacle surrounds the insertion cartridge in the region of the annular space in order to be able to flow from there through the at least one inlet into the insertion cartridge and into the blasting nozzle located therein.
  • the Einsetzkartusche has two inlets, and when the inlet of the cartridge receptacle opens in the circumferential direction evenly spaced from the inlets on the annulus.
  • a preferred development according to the invention provides that the inlets are arranged on opposite sides and approximately at the same height on the cartridge periphery.
  • At least one flow guide wall and preferably several lamella-like flow guide walls are provided between the two inlets of the insertion cartridge, and preferably a passage opening is arranged between two adjacent flow guide walls in the direction of the jet nozzle.
  • the catching part terminates in a cartridge outlet or the like outlet arranged at the end of the cartridge, that the outlet is provided adjacent to the outlet of the cartridge receptacle, and that the insertion cartridge faces in the region of its cartridge end having the outlet the inner circumference of the cartridge receptacle is circumferentially sealed.
  • Another object of the backflow barrier described above is to be able to place such a backflow barrier, if necessary, even later in the area of a sanitary consumption point.
  • the sleeve-shaped jet nozzle receptacle is connected via at least one connecting web with the catching part to an insertion element, that the inserting element is insertable into a cup-shaped housing, which has a longitudinal insertion opening, that the insertion element in the cup-shaped housing is detachably fixable such that the insertion opening forms the outlet, and that the sleeve-shaped jet nozzle receptacle on its end facing away from the jet nozzle is closed by means of a lid, one with the inlet connectable connection nipple or the like inlet carries.
  • the backflow barrier according to the invention of the type mentioned in the introduction has a shell-shaped housing into which an insertion element can be inserted.
  • the sleeve-shaped jet nozzle receptacle on the one hand and the catching part on the other hand are connected to one another via at least one connecting web to the insertion element.
  • the housing has a longitudinal insertion opening.
  • the insertion element is detachably fixable in the cup-shaped housing such that the insertion opening forms the outlet.
  • the sleeve-shaped jet nozzle receptacle can be closed at its end facing away from the jet nozzle by means of a lid which carries a connectable with the inlet connection nipple or the like inlet. Since the sleeve-shaped jet nozzle receptacle can be closed by means of the cover, this jet nozzle receptacle is also apparent in such a way that the blasting nozzle displaceably guided in the blasting nozzle receptacle can be easily inserted.
  • this unit can also be retrofitted even on a bathtub, a toilet ceramics, a toilet seat or in the field of other sanitary Switch consumption point into the water supply line.
  • the housing always has a standard distance between the outlet and a bearing acted upon by the housing, it is advantageous if at least one spacer and preferably a plurality of spacers are integrally formed on the housing, which secure a minimum distance from the intended as outlet insertion.
  • the cartridge receptacle or the housing at least at the periphery of the cartridge receptacle or the housing in the region of the free jet distance outside the outlet and preferably on the side facing away from the outlet at least after dehydration has a ventilation opening.
  • the at least one ventilation opening is designed as a labyrinth-like in the wall of the cartridge receptacle or the housing provided ventilation slot.
  • a preferred embodiment provides that the housing carries on the longitudinal side remote from the insertion opening the at least one ventilation opening.
  • the housing has two slot-shaped ventilation openings, which are oriented in the housing longitudinal direction and if the connecting webs of the housing located in the insertion element in a through the slot-shaped Ventilation openings project imaginary level.
  • the spray or partition wall clears the light Cross-section of the cartridge or housing interior substantially fills.
  • connection nipple or the like outlet is formed on the catching part for connecting the catching part to the drain and when the outer peripheral side of the catching part and the outlet is provided with a groove into which a wall opening open towards the insertion opening engages on the housing end face of the housing.
  • a guide wall is integrally formed on the outside of the jet nozzle receptacle, on each of which a connecting web engages on both sides when in the housing interior of the housing projecting a fork-shaped holder, and when the guide wall in the position of use abuts the arranged between the connecting webs holder, that the forks of the holder are arranged on both sides with a distance from the insertion opening.
  • the spray or partition As a separate component and subsequently to attach to the at least one connecting web later.
  • the firm hold of the return flow lock in the housing interior and the positionally correct positioning of the return flow lock in the housing is favored when the jet nozzle receptacle closing lid in the position of use abuts the inside of the adjacent housing end face of the housing and if the molded on the cover nipple or the like inlet passes through a holding opening open towards the insertion opening on the housing front side.
  • the retaining opening or the wall opening has a recess in the insertion at least on one side, by means of which the connection nipple / is releasably latched / are. If the retaining opening or the wall opening have such recesses on both sides of their opening contour, the opening outline approximately has the contour of a keyhole intended for a beard key.
  • a particularly advantageous embodiment according to the invention provides that between the at least one inlet and the jet nozzle at least one of the functional elements:, flow rate regulator, backflow preventer or sieve 'is provided.
  • a flow regulator is arranged, the per unit of time flowing through water to an optimum for jet nozzle and trapping value regulates and limits.
  • at least one is provided between the at least one cartridge or housing inlet and the jet nozzle.
  • a particularly easy-to-handle embodiment according to the invention provides that at least one of the functional elements, "flow rate regulator, backflow preventer or sieve 'is part of a Einsetzpatrone, and the Einsetzpatrone is preferably inserted from the frontally open jet nozzle recording in this.
  • the insert cartridge may also include two, downstream, but independent in their function backflow preventer.
  • At least one screen or at least one grating is provided between the backflow preventer or the backflow preventers and / or the flow rate regulator on the one hand and the jet nozzle for equalizing the pressure ratios over the clear cross section in the region of the jet nozzle.
  • This grid or sieve is so fine-meshed that it equalizes those pressure gradients which arise over the cross section of the water flow and which may be caused, for example, by the internal structures in a backflow preventer or a flow regulator.
  • the flow guide preferably tapers in a funnel shape in the direction of the nozzle opening of the jet nozzle.
  • the jet nozzle In order to counteract an expansion of the liquid jet, it is expedient for the jet nozzle to project in the form of a nipple or nub in the region of the nozzle opening. If the nozzle opening of the jet nozzle is in the shape of a nipple or a nub, this simultaneously prevents any running drops of spray water from passing through and interfering with the jet. In this case, the nipple or nub-shaped jet nozzle can also be withdrawn and bounded by a circumferential groove or indentation.
  • the section of the catching part bounding the catching opening also projects in the shape of a nipple or a knob.
  • Preferred application examples of the designed according to at least one of the inventions described backflow preventer provide that the backflow barrier upstream of a sanitary Verbrauchsstelle upstream, and that the sanitary consumption point is preferably a sub-shower or a bottom water inlet of a sink or a bathtub.
  • the reflux barrier according to the invention can also be used, for example, in front of the consumption points provided in a hospital in order to prevent a contamination of the tap water by germs with certainty.
  • a reflux barrier 1, 100 shown in various versions, which may be upstream of a sanitary consumption point, such as a shower or the bathtub inlet of a bathtub upstream.
  • This backflow barrier 1, 100 is intended to prevent a return flow of contaminated water in the drinking water supply network with certainty.
  • the in the FIGS. 1 to 20 illustrated reflux barrier 1 has a cartridge receptacle 2, which can be integrated, for example, in a shape-adapted recess on the toilet seat.
  • a cartridge receptacle 2 which can be integrated, for example, in a shape-adapted recess on the toilet seat.
  • a connectable to an inlet 3 of the cartridge receptacle 2 jet nozzle 4 and a catching part 5 is provided, which has to catch the coming of the jet nozzle 4 via a free jet path 6 liquid jet.
  • the jet nozzle 4 is connected via the inlet 3 of the cartridge receptacle 2 with the drinking water supply network, the catching part 5 via a flow of the cartridge receptacle 2 with a spray nozzle not shown or the in Fig.
  • a spacer 68 is integrally formed, which is a standard minimum distance between the outlet 8 and a downstream in the flow direction backflow level has to ensure.
  • This spacer 68 is approximately sleeve-shaped in cross-section and has on its longitudinal sides on both sides through-flow openings 69, which are oriented in the longitudinal extension of the spacer 68. These provided on both sides of the longitudinal sides of the spacer 68 through-flow openings 69 give the spacer 68 a cage-like appearance.
  • the in the FIGS. 1 to 8 shown backflow locks 1 is associated with an insertion cartridge 9, which carries the jet nozzle 4 and the catching part 5.
  • This insertion cartridge 9 is inserted through an insertion opening 10, for example in the in FIG. 1 shown cartridge receptacle 2 can be used and releasably fixed therein, that the jet nozzle 4 is connected to the inlet 3 of the cartridge holder 2.
  • the Einsetzkartuschen 9 arranged in its between jet nozzle 4 and 5 catching and the free jet path 6 forming or delimiting cartridge section has at least one associated with the outlet 8 of the cartridge receptacle 2 cartridge opening 11.
  • the cartridge opening 11 and the outlet 8 of the cartridge receptacle 2 adjoin one another directly.
  • the cap 12 is here releasably held by means of a plug / rotary connection to the cartridge receptacle 2, wherein the plug / rotary connection may be formed, for example, as a bayonet or the like Renktagen.
  • the cap 12 has a cap extension 13 onto which the insertion cartridge 9 with its adjacent, frontally open cartridge end portion 14 can be pushed or plugged.
  • the insertion cartridge 9 is thus easy to handle even in confined spaces on the always accessible from the outside cap 12.
  • the insertion cartridge 9 has at least one inlet 15 which can be connected to the inlet 3 of the cartridge receptacle 2 via an annular space 16 which is enclosed between the inner circumference of the cartridge receptacle 2 and the outer periphery of the cartridge and circumferentially sealed on both sides in the longitudinal direction of the cartridge receptacle 2.
  • the inlet cartridge 9 has here two oval and oriented in the cartridge circumferential direction inlets 15.
  • the inlet 3 of the cartridge receptacle 2 opens in the circumferential direction evenly spaced from the arranged here on opposite sides at the same height inlets 15 in the annular space 16th
  • the cap extension 13 is formed by a number of parallel, slightly spaced apart and lamella-like arranged flow guide walls 17. If the insertion cartridge 9 is placed on the cap 12, the gaps between the flow guide walls 17 connect the inlets 15 with each other, so that the water flows flowing in through the inlets 15 collide there and deflect in the longitudinal direction of the cartridge, where they pass through between the adjacent flow guide walls 17 in the direction of the jet nozzle 4 arranged free passages or openings 18 flow into the cartridge interior.
  • an insertion cartridge 19 is provided, which can be inserted from the end face open cartridge end portion 14 in the cartridge interior.
  • the insertion cartridge 19 has at least one backflow preventer, which allows a flow of water only in the direction of the jet nozzle 4.
  • the Einsetzpatrone 19 also has a flow rate regulator, which has to limit the pressure per unit time flowing through water pressure-independent to a certain value and regulate.
  • the jet nozzle 4 is guided in a sleeve-shaped jet nozzle receptacle 50 slidably.
  • This jet nozzle receptacle 50 is integrally connected to the catching part 5 via at least one connecting web 51 and preferably two connecting webs 51 arranged parallel to the free blasting path 6.
  • return flow restrictor 100 form the jet nozzle receptacle 50 and the associated capture part 5 an insertion element 52 which is insertable into a cup-shaped housing 53.
  • the housing 53 has a longitudinal insertion opening 54, through which the insertion element 52 can be inserted.
  • the insertion element 52 is detachably fixable in the housing 53 such that the insertion opening 54 simultaneously forms the outlet 8.
  • the jet nozzle receptacle 50 can be closed at its end facing away from the jet nozzle 4 by means of a cover 55 which carries an inlet connectable to the inlet.
  • This inlet is formed here as a connection nipple 56 which is connectable via a hose not shown with the inlet.
  • at least one spacer may be formed on the housing 53. Preferred is an embodiment, not shown here, in which a plurality of spacers are provided, which are arranged in particular in the housing corner regions.
  • connection nipple 57 or the like outlet is also integrally formed on the catching part 5 in order to connect the catching part 5, for example via a hose line, to the outlet leading to a point of consumption.
  • a groove 58 is provided on the outer peripheral side of the catching part 5 and on the connecting nipple 57 serving as an outlet, into which a wall opening 59 open towards the insertion opening 54 engages on the housing front side of the housing 53. Since the insertion opening defining the wall opening 59 engages in the groove 58, positionally correct positioning of the insertion element 52 formed by the jet nozzle 4 and the catching part 5 is always ensured.
  • a guide wall 60 is integrally formed on the jet nozzle receptacle 50 on the outside.
  • This guide wall 60 on each of which one of the connecting webs 51 engages on both sides, lies in the position of use on a fork-shaped holder 61, which protrudes in the housing interior of the housing 53.
  • the forks 62 of the holder 61 are arranged on both sides at a distance from the nozzle opening of the jet nozzle 4 in order not to impair the proper functioning of the jet nozzle 4. Since the guide wall 60 bears against the holder 61 in the use position, a positionally correct insertion of the insertion element 52 into the housing 53 is likewise ensured. Since the holder 61 is arranged with their forks 62 between the connecting webs 51, also achieved a rotary fuse of the insertion 52 in the housing 53.
  • FIG. 21 is clearly visible that the jet nozzle receptacle 50 frontally occlusive cover 55 in the position of use rests on the inside of the adjacent housing end face of the housing 53.
  • the connecting nipple 56 formed on the cover 55 passes through a holding opening 70, which is open towards the insertion opening 54, on the housing front side.
  • the holding opening 70 and also the wall opening, which receive the connection nipples 56, 57 in the position of use have in their opening outline at least on one side and preferably on both sides a recess 71, by means of which the connection nipple 56 or 57 can be releasably latched.
  • the recesses 71 provided on both sides in the opening outline give the holding opening 70 and also the wall opening 59 an opening outline which is comparable to the keyhole provided for a beard key. In this way, a secure hold of the insertion 52 in the housing 53 is ensured.
  • the jet nozzle 4 of the return flow barriers 1, 100 has to convert the pressure energy of the water coming from the supply network into the kinetic energy of the water jet.
  • the flow guide tapers in a funnel shape in the direction of the nozzle opening 21 of the jet nozzle 4. in the In the area of the nozzle opening 21, the jet nozzle 4 is designed as a nipple-shaped projection 22 in order to minimize the influences on the water jet caused by the adhesion forces.
  • the free beam path 6 is at a distance from the capture part 5 and jet nozzle 4 at least one spray or partition wall 23 is arranged, which has a passage opening 24 which has a larger compared to the beam cross section of the liquid jet clear cross-section.
  • the clear opening cross-section of the passage opening 24 is dimensioned so that the liquid jet unbound from the passage opening 24 and just passes through contactlessly.
  • the spray or dividing wall 23 provided at a distance between the blasting nozzle 4 and the catching part 5 is arranged closer to the catching part 5. In this case, an embodiment is preferred in which the spray or partition wall 23 is spaced at least four millimeters from the catching part 5.
  • the trapping part 5 is intended to convert the kinetic energy of the water jet coming from the jet nozzle 4 and the trapping part 5 into a corresponding pressure energy which subsequently requires the cleaning or water jet emerging, for example, from the spray nozzle, the hand shower 45 of a sub-shower or other sanitary appliance becomes. From the FIGS. 1 . 5 . 21 and 26 It is clear that the catching part 5 widens in a funnel shape in its clear cross-section.
  • the catching part 5 has a catching opening 28 which, at least in its inflow-side section 25, has a hollow-cylindrical clear opening cross-section. Subsequent to the hollow-cylindrical section 25, the catching part 5 widens in the direction of the outlet.
  • On the downstream side of the hollow cylindrical portion 25 has the catching part 5 conically or in the clear cross-section arcuately widening sections 26, 27, of which the inflow-side section 26 has a smaller compared to the subsequent section 27 expansion.
  • the catching part 5 opens into a cartridge outlet 30 arranged at the end of the cartridge 29, which is provided adjacent to the outlet 7 of the cartridge receptacle 2.
  • the insertion cartridge 9 is circumferentially sealed in the region of the cartridge end 30 having cartridge end 29 relative to the circumference of the cartridge receptacle 2.
  • the insertion cartridge 9 of the backflow barrier 1 can be used and fixed in the cartridge receptacle 2 such that the blasting nozzle 4 is connected to the inlet 3 of the cartridge receptacle 2 and at the same time the catching part 5 is connected to the outlet 7 of the cartridge receptacle 2.
  • the insertion cartridge 9 of the return flow barrier 1 has at least one cartridge opening 11 in its cartridge section which is arranged between the jet nozzle 4 and the catching part 5 and delimits the free jet path 6 and which communicates with the outlet 8 of the cartridge receptacle 2.
  • the return flow barrier 1, the cartridge holder 2, for example, in a toilet seat, a toilet ceramics or a bathtub formed or - as here - as a housing can be formed into a corresponding receptacle on the toilet seat, on the toilet ceramics or on the trough opening of a bathtub, with little effort to adapt to a variety of predetermined conditions such that always an optimal function is guaranteed.
  • the backflow barrier 1 is also easy to clean and to descale if necessary.
  • FIGS. 1 to 4 . 5 to 8 and 21 to 27 illustrated embodiments of the backflow barrier 1, 100 differ only in that in the in FIGS. 5 to 8
  • the jet nozzle 4 on the one hand and the catching part 5 on the other hand each configured as a releasably insertable into the insertion cartridge 9 component. Due to the design of jet nozzle 4 and trapping 5 as a separate component, the modular design of in FIGS. 5 to 8 shown backflow barrier 1 favors that optionally also by replacing the jet nozzle 4 and / or the catching part 5, the insertion cartridge 9 can be adapted to the respective conditions of the existing on-site supply network.
  • the housing 53 of in FIG. 21 shown reflux barrier 100 two slot-shaped ventilation openings 63, which are arranged on the insertion opening 54 facing away from the longitudinal side. These two slot-shaped ventilation openings 63 are oriented parallel to one another and at a distance from each other in the housing longitudinal direction. Since the connecting webs 51 of the insertion element 52 located in the housing 53 protrude into a plane imagined by the slot-shaped ventilation openings 63, a labyrinthine air guide through the ventilation openings 63 is also achieved in the return flow barrier 100.
  • the backflow barriers 1, 100 shown here provide maximum safety in order to prevent the return of contaminated water into an area connected to the drinking water supply network.
  • the modular design of the reflux barrier 1 facilitates the replacement of the insertion cartridge 9 against a corresponding connector 31.
  • the sleeve-shaped connecting piece 31 is placed with its open front end on the cap extension 13 of the cap 12 such that lateral inlet openings 32 via the annular space 16 with the inlet 3 of the cartridge receptacle 2 are connected.
  • the inserted into the connecting piece 31 Einsetzpatrone 19 between the cap extension 13 and a arranged on the inner circumference of the connecting piece 31 annular shoulder 33 is secured.
  • FIGS. 12 to 15 and 21 to 27 At least the portion of a deviating designed return flow restrictor 1, 100 is the jet nozzle 4 having shown. Like from the FIGS. 12 to 15 and 21 to 27 can be seen, the jet nozzle 4 is guided displaceably in the jet nozzle receptacle 50 and of a in.
  • this deviating designed return flow restrictor 1, 100 FIGS. 13 and 14 shown ready position under the pressure of the liquid flowing through against a restoring force in a spray position displaced in which injection position - like FIGS. 15 and 16 or 26 and 27 show - the jet nozzle 4 with its nozzle opening 21 forming and formed as a projection 22 nozzle portion pierces a provided in an elastic membrane 35 through opening 36. While at the in the FIGS.
  • the restoring force is applied by a return spring 34 to the jet nozzle 4, forms in the in FIGS. 26 and 27 shown embodiment, the elastic material and / or the elastically flexible shape of the elastic membrane 35 acting on the spray nozzle 4 return element.
  • FIGS. 26 and 27 It can be seen that the jet nozzle 4 protrudes into the here cup-shaped membrane 35, which carries the insertion opening 36 at the pot bottom of their pot shape. In this case, the peripheral edge of the membrane 35 facing away from the bottom of the pot is supported elastically on the jet nozzle 4.
  • the membrane 35 in the region of the pot bottom of its pot shape the jet nozzle receptacle 50 in the region of one provided in the guide wall Opening 64 seals and that the membrane 35 at the periphery of their cup shape at least one flow opening and preferably a plurality of spaced-apart flow openings 65 which are slit-shaped and oriented in the circumferential direction.
  • These flow openings 65 connect the interior 66 of the jet nozzle receptacle 50 with the interior 67 of the cup-shaped membrane 35, so that a fluid exchange between these interior spaces 66, 67 during the sliding movement of the jet nozzle 4 is made possible.
  • FIG. 17 shows a backflow barrier according to the invention in a schematic partial longitudinal section in the region of their catching part 5.
  • Aus FIG. 17 It is clear that the catching part 5 protrudes nipple-shaped or knob-shaped on the outer peripheral side in its section delimiting the catching opening 28. Furthermore, in FIG. 17 shown that the catching part 5 has a hollow cylindrical or approximately hollow cylindrical section in the region of its catching opening 28. It may be advantageous if the ratio of the length l 1 of this section in comparison to the clear inner diameter of the capture opening is preferably greater than / equal to 0.2 to less than / equal to 10, in particular greater than / equal to 1.5 to less than / equal to 2.6 , In FIG.
  • the catching part 5 preferably widens in a funnel shape following the hollow cylindrical part. It is provided that the catching part on the downstream side of its hollow cylindrical portion 25 has at least one in the flow direction conically widening portion 26, 27 and that of the hollow cylindrical section immediately adjacent section has a length l 2 from 0 to 100 mm inclusive, preferably from 0 to 30 mm inclusive. In this case, the embodiment shown here is preferred in which the catching part 5 has at least two sections 26, 27 which flare in the direction of flow, wherein at least two downstream sections 26, 27 have the length l 3 of at least the downstream and preferably more extensive section 0 to 100 mm, preferably from 0 to 30 mm.
  • the catching part 5 has an angle a 2 of greater than / equal to 0 to less than / equal to 45 °, preferably greater than / equal to 0 to less than / equal to 18 °, in the region of its more conically widening section 27 with respect to the longitudinal axis of the catching part , It should of more strongly widening conically between this section 27 and the hollow cylindrical portion 25 provided partial section of the Einfangmaschines 5, which has a smaller taper angle a 1 relative to the capturing member longitudinal axis of greater than / equal to 0 to less than / equal to 45 °, preferably from greater than or equal to 0 to less than or equal to 13 °.
  • the backflow barrier 1 shown here can be connected upstream of a shower and, in particular, the sub-shower assigned to a toilet seat on the inflow side. In addition, however, it is also possible for the return flow lock 1 upstream of the water inlet of a bath 38 on the inflow side. From the schematic representation in FIG. 18 It is clear that in the bath 38 shown here, the bathtub inlet 39 and the bath spout 40 is provided separately from each other on the tub bottom of the bath 38. But it is also possible to merge the bathtub inlet 39 and the bath spout 40 in a common trough opening. As well as the bath inlet 39 is arranged in any case below the water surface of the bathwater located in the bath 38, the bath water can splash-free and quietly enter the bathtub 38. However, since the water pressing on the incoming water and the bathtub inlet 39 also carries the risk that contaminated bathing water or service water flows into the water supply network, in the case of FIG. 18 shown application example to ensure an effective inlet protection necessarily.
  • the water inlet into the bath 38 is operated via a manually operable outlet fitting 41, which combines a hot water inlet 42 and a cold water inlet 43 in it. After the water coming from the outlet fitting 41 has reached the reflux barrier 1, the water flowing through can pass through a non-return valve 44 interposed between the reflux barrier 1 and the bath inlet 39, before the water in the water Bathtub inlet 39 bottom side flows into the bath 38.
  • the backflow barrier 1 according to the invention can also be interposed in the example leading to a hand shower 45 water inlet 49 of a schematically indicated below shower, which sub-shower in the toilet ceramic or in the toilet seat, where appropriate, also installed later.
  • the jet nozzle 4 is in the FIGS. 21 to 27 shown backlash 100 in the jet nozzle receptacle 50 slidably guided.
  • the jet nozzle receptacle 50 is configured on its side facing away from the nozzle opening 21 with the help of the lid 55 openable. By closed in the position of use by means of the lid 55 insertion opening of the jet nozzle receptacle 50, the jet nozzle 4 can be inserted into the interior of the jet nozzle receptacle 50.
  • FIGS. 21 to 27 shown backlash 100 in the jet nozzle receptacle 50 slidably guided.
  • the jet nozzle receptacle 50 is configured on its side facing away from the nozzle opening 21 with the help of the lid 55 openable. By closed in the position of use by means of the lid 55 insertion opening of the jet nozzle receptacle 50, the jet nozzle 4 can be inserted into the interior of the jet nozzle receptacle 50.
  • FIGS. 21 to 27 shown backlash 100 in the jet
  • the jet nozzle 4 in the backflow barrier 100 is displaceable from the ready position shown left to the longitudinal axis under the pressure of the liquid flowing through against a restoring force in the right shown spray position, in which injection position the jet nozzle 4 with its nozzle opening 21 forming Nozzle section pierces the opening provided in the elastic membrane 35 through opening 36.
  • the here substantially conical jet nozzle 4 here has an approximately centrally disposed annular shoulder on which the cap-shaped membrane 35 is supported.
  • the membrane 35 which is here cup-shaped and made of elastic material, is shaped such that it exerts the restoring force on the displaceably guided jet nozzle 4.
  • the sliding path of the jet nozzle 4 in the Jet nozzle receptacle 50 is bounded on the one hand by a screen 20 upstream of the blasting nozzle 4 and on the other hand by an annular shoulder 47 on the inner circumference of the blasting nozzle receptacle 50.
  • FIGS. 28 to 30 is the jet nozzle 4 in the FIGS. 21 to 27 shown reflux barrier 1 shown.
  • the jet nozzle 4 in the region of its nozzle opening 21 on an annular shoulder.
  • an annular projection 22 is integrally formed, which surrounds the nozzle opening 21.
  • the nozzle opening of the jet nozzle 4 bounding opening edge is sharp-edged and designed to chamfer and rounding.
  • the opening edge of the nozzle opening 21 has an edge degree smaller than 0.1 mm or greater minus 0.1 mm.
  • the sharp-edged opening edge forms an inner peripheral side provided tear-off edge, which favors a sharply shaped in the jet nozzle 4 and non-splashing liquid jet.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Molecular Biology (AREA)
  • Epidemiology (AREA)
  • Nozzles (AREA)
  • Devices For Medical Bathing And Washing (AREA)
  • Bathtubs, Showers, And Their Attachments (AREA)
  • Domestic Plumbing Installations (AREA)
EP18154708.4A 2012-03-13 2013-03-05 Clapet anti-retour Active EP3358094B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE202012002585U DE202012002585U1 (de) 2012-03-13 2012-03-13 Rückfluss-Sperre für eine Unterdusche
PCT/EP2013/000630 WO2013135350A1 (fr) 2012-03-13 2013-03-05 Dispositif anti-refoulement pour une douchette
EP13713350.0A EP2825707B1 (fr) 2012-03-13 2013-03-05 Dispositif anti-refoulement pour une douchette

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP13713350.0A Division-Into EP2825707B1 (fr) 2012-03-13 2013-03-05 Dispositif anti-refoulement pour une douchette
EP13713350.0A Division EP2825707B1 (fr) 2012-03-13 2013-03-05 Dispositif anti-refoulement pour une douchette

Publications (2)

Publication Number Publication Date
EP3358094A1 true EP3358094A1 (fr) 2018-08-08
EP3358094B1 EP3358094B1 (fr) 2020-01-29

Family

ID=48044714

Family Applications (4)

Application Number Title Priority Date Filing Date
EP18154708.4A Active EP3358094B1 (fr) 2012-03-13 2013-03-05 Clapet anti-retour
EP13713350.0A Active EP2825707B1 (fr) 2012-03-13 2013-03-05 Dispositif anti-refoulement pour une douchette
EP15002208.5A Active EP2980327B1 (fr) 2012-03-13 2013-03-05 Dispositif anti-retour pour une douche anale
EP15000357.2A Active EP2918741B1 (fr) 2012-03-13 2013-03-05 Blocage de refoulement

Family Applications After (3)

Application Number Title Priority Date Filing Date
EP13713350.0A Active EP2825707B1 (fr) 2012-03-13 2013-03-05 Dispositif anti-refoulement pour une douchette
EP15002208.5A Active EP2980327B1 (fr) 2012-03-13 2013-03-05 Dispositif anti-retour pour une douche anale
EP15000357.2A Active EP2918741B1 (fr) 2012-03-13 2013-03-05 Blocage de refoulement

Country Status (7)

Country Link
US (1) US9909294B2 (fr)
EP (4) EP3358094B1 (fr)
BR (1) BR112014022363B1 (fr)
DE (2) DE202012002585U1 (fr)
ES (4) ES2640632T3 (fr)
TR (2) TR201802812T4 (fr)
WO (1) WO2013135350A1 (fr)

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JP6596943B2 (ja) * 2015-06-05 2019-10-30 Ｔｏｔｏ株式会社 衛生洗浄装置
CN107165238A (zh) * 2016-03-08 2017-09-15 慈溪三和智能卫浴有限公司 一种温水便座水箱手动放水阀及温水便座装置
DE102017102115A1 (de) 2017-02-03 2018-08-09 Ulrich Stark-Gariglio Toilette
DE102017108028A1 (de) * 2017-04-13 2018-10-18 Neoperl Gmbh WC-Spülkasten und korrespondierende Verwendung eines Injektors
DE202017102237U1 (de) 2017-04-13 2018-07-16 Neoperl Gmbh WC-Spülkasten und korrespondierende Verwendung eines Injektors
US11396744B2 (en) * 2017-11-15 2022-07-26 Panasonic Intellectual Property Management Co., Ltd. Flush toilet
EP3768903A4 (fr) * 2018-03-21 2022-05-04 Eczacibasi Yapi Gerecleri Sanayi Ve Ticaret Anonim Sirketi Système d'installation d'un mécanisme de bidet
US20210315751A1 (en) * 2020-04-13 2021-10-14 Neville Cameron Commode wheelchair
TR202019956A2 (tr) * 2020-12-07 2021-04-21 Iz Yapi Malzeme Ve Ekipmanlari Sanayi Ve Ticaret Anonim Sirketi Klozetlerde kullanılmak üzere geliştirilmiş bir geri akış düzeneği.
DE102022102232A1 (de) 2022-01-31 2023-08-03 Grohe Ag Funktionseinheit für ein Dusch-WC sowie Dusch-WC mit einer Funktionseinheit
DE202022103854U1 (de) 2022-07-08 2023-10-18 Neoperl Ag WC-Sitz-Ring

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EP0785314A1 (fr) * 1996-01-16 1997-07-23 S.C. Johnson & Son, Inc. Dispositif empêchant les reflux d'écoulements

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EP0785314A1 (fr) * 1996-01-16 1997-07-23 S.C. Johnson & Son, Inc. Dispositif empêchant les reflux d'écoulements

Also Published As

Publication number Publication date
BR112014022363B1 (pt) 2021-01-19
EP2825707A1 (fr) 2015-01-21
TR201815302T4 (tr) 2018-11-21
DE202012002585U1 (de) 2013-06-17
EP2980327A1 (fr) 2016-02-03
EP2825707B1 (fr) 2018-08-15
EP3358094B1 (fr) 2020-01-29
TR201802812T4 (tr) 2018-03-21
ES2786629T3 (es) 2020-10-13
ES2640632T3 (es) 2017-11-03
EP2918741B1 (fr) 2017-08-09
ES2691964T3 (es) 2018-11-29
WO2013135350A8 (fr) 2014-12-04
US20150033464A1 (en) 2015-02-05
US9909294B2 (en) 2018-03-06
ES2659074T3 (es) 2018-03-13
WO2013135350A1 (fr) 2013-09-19
DE102013003629A1 (de) 2013-09-19
EP2918741A1 (fr) 2015-09-16
EP2980327B1 (fr) 2018-01-03

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