CN103410206A - Reflux flow barrier for bathtub - Google Patents

Reflux flow barrier for bathtub Download PDF

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Publication number
CN103410206A
CN103410206A CN2013100804111A CN201310080411A CN103410206A CN 103410206 A CN103410206 A CN 103410206A CN 2013100804111 A CN2013100804111 A CN 2013100804111A CN 201310080411 A CN201310080411 A CN 201310080411A CN 103410206 A CN103410206 A CN 103410206A
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CN
China
Prior art keywords
opening
backflow
jet nozzle
choking device
cylinder
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Pending
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CN2013100804111A
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Chinese (zh)
Inventor
M·豪特
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Neoperl GmbH
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Neoperl GmbH
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Publication date
Priority claimed from DE202012002585U external-priority patent/DE202012002585U1/en
Priority claimed from DE102012005004.6A external-priority patent/DE102012005004B4/en
Application filed by Neoperl GmbH filed Critical Neoperl GmbH
Priority to CN201610882912.5A priority Critical patent/CN106436853B/en
Priority to CN201610882148.1A priority patent/CN106368280B/en
Publication of CN103410206A publication Critical patent/CN103410206A/en
Pending legal-status Critical Current

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    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20—Controlling water pollution; Waste water treatment

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Molecular Biology (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Nozzles (AREA)

Abstract

The invention relates to a reflux flow barrier (1), comprising a jet nozzle (4) which can be connected to an inlet (3); a capturing part (5) which has the task of capturing a liquid jet coming from the jet nozzle (4) via a free jet path (6) and can be, or is, connected to an outlet (7); and a drainage port (8) which is arranged beneath the free jet path (6) and has the task of guiding out a quantity of liquid not captured by the capturing part (5). The reflux flow barrier (1) according to the invention is characterized in that an insert cartridge (9), which bears the jet nozzle (4) and the capturing part (5), is provided, in that the insert cartridge (9) is retained in a use position such that the jet nozzle (4) is connected to the inlet (3) and the capturing part (5) is connected to the outlet (7), and in that the insert cartridge (9), in its cartridge portion which is arranged between the jet nozzle (4) and the capturing part (5) and forms, or bounds, the free jet path (6), has at least one cartridge opening (11) which can be connected to the drainage port (8).

Description

Backflow choking device for sitting bath
Technical field
The present invention relates to a kind of backflow choking device, this backflow choking device has the jet nozzle that can be connected with inlet port and has capture members, this capture members can be captured and this capture members can be connected with outlet opening from the liquid jet that jet nozzle is come via jet highway section freely, and comprise that the flow export that is arranged on below, jet highway section freely, this flow export can will not be captured the liquid that part captures and partly measure derivation.
Background technology
Sitting bath in toilet (Unterdusche) is with the water running from common supply net.For protect also supply be integrated in sitting bath in toilet, common supply net prevents the pathogen intrusion, the backflow choking device that continues to work is essential.If the injection nozzle of sitting bath is in the basin fringe region of toilet basin, must consider: the nozzle opening of this injection nozzle is polluted by sewage or excreta composition.Because with the direct-connected situation of water supply installation under have such danger, namely, perhaps pathogen may invade in the drinking water supply net via stop valve thus, so the obligation of national standard and European standard and water supply company regulation, when toilet also equipment during sitting bath in toilet seat (WC-Sitz) afterwards in case of necessity, carry out so-called indirect the connection between common supply net and these toilets.
Also known, bathtub inflow entrance and bathtub flow export are co-located in a basin opening of basin bottom part side.Because bathtub inflow entrance thereby also be arranged on water surface below, so bath water can be without in splash water ground and low noise ground inflow bathtub.But because of on the water that is pressed onto inflow and basin opening, bath water that be arranged in bathtub, comprise following danger, namely, contaminated bath water or use water flow in water supply network, so in this application example, also necessarily must guarantee effective inflow entrance safety and reflux and end.
By the known a kind of backflow choking device that starts described type of patent documentation CH444076.This known backflow choking device has housing, is provided with jet nozzle in this housing.Online in order jet nozzle to be connected to common drinking water supply, jet nozzle can be connected with the housing inlet port.In housing, also be provided with capture members, this capture members can be captured from the liquid jet that jet nozzle is come via jet highway section freely.For energy will captive water be to the injection nozzle guiding of sitting bath again at the capture members place, capture members can be connected with the housing outlet opening in housing.Below the jet highway section between jet nozzle and capture members, be provided with the housing flow export, this housing flow export can will not be captured liquid that part captures and partly measures from enclosure interior and derive.
At these, in standard, be also referred to as in the backflow choking device of " with the free water outlet piece of ejector ", from supplying with the pressure energy of netting the water flowed into, become kinetic energy in the regional internal conversion of jet nozzle, in order to water jet is connected with atmosphere and in order to then the kinetic energy of water jet is converted to again at least in part for example for the required pressure energy of the clean jet of sitting bath in the zone of the capture members also referred to as diffuser on the short highway section of jet freely.In order can be not than macro-energy loss ground, not realize converting pressure energy to kinetic energy and then yet conversely process, and, in order in zone, jet highway section freely, produce uniform and quiet water jet, jet nozzle and capture members are matched each other and be matched with the particular case of corresponding supply net.Shortcoming is, although known backflow choking device is optimized aspect being present in situation about determining in supplying with net, should under different therewith conditions, may not guarantee the function of optimizing by the backflow choking device.At this, must effectively guarantee all the time, grid is not by sewage pollution.
Summary of the invention
Capture members capture the other misguided jet of opening in incident the time splash in this wise, make contaminated droplet by mistake also be got rid of in the zone of getting back to jet nozzle.Therefore also there is such task, namely, create a kind of backflow choking device that starts described type, in this backflow choking device, guarantee, capture members capture the not splash in this wise of the other misguided jet of opening, make contaminated droplet may by mistake also be got rid of in the zone of getting back to jet nozzle and pollute this zone.
In order to solve this task; a kind of invention suggestion regulation with independent protective meaning: in described jet freely highway section, be provided with at least one injection or partition wall with jet nozzle and capture members spaced apartly; this injection or partition wall have transmissive apertures, and this transmissive apertures has with the jet cross section of liquid jet compares larger clear opening cross section.If jet by mistake capture members capture that opening is other to be misled, this misguided jet part can be at least to spraying or the partition wall splash, but this injection or partition wall are effectively protected and be positioned at the jet nozzle zone of face thereafter.Get rid of reliably in such a way the pollution unintentionally in the jet nozzle zone due to the droplet got rid of back.Spray or partition wall does not have the function of the liquid jet boundling (b ü ndeln) made from jet nozzle, therefore be arranged on spray or partition wall in transmissive apertures should have with the jet cross section of liquid jet and compare slightly larger clear opening cross section.
In this preferred a kind of following form of implementation, in this form of implementation, the clear opening cross section of transmissive apertures is so determined size, makes liquid jet not be transmitted opening boundling ground and exactly also contactlessly passes this transmissive apertures.
In order to spray or to separate wall energy, will not be captured well the little water droplet interception that part captures, advantageously, spray or partition wall in a side and capture members and spaced apart at least 4 millimeters of opposite side and jet nozzle.
Because may cause liquid jet undesirably to be expanded with inadequate distance and the isolated injection of the nozzle opening of jet nozzle or partition wall, so preferred a kind of following form of implementation, in this form of implementation, the described injection or the partition wall that are located between jet nozzle and capture members more are close to the capture members setting spaced apartly.
In the backflow choking device of the described type of beginning, also there is optimizing jet nozzle, nozzle opening, capture members and capturing the mating reaction of opening of task.It is conclusive that the optimization of these parts is coordinated, in order to stop the excessive pressure loss and in order to avoid the unnecessarily strong injection of liquid jet.This particularly also to capture members and capture opening structure and how much relevant be which kind of captures opening can capture liquid jet well.
Be additional to or also be independent of above-mentioned feature, therefore also having such task, that is, creating a kind of backflow choking device that starts described type, its capture members can without than macro-energy and the pressure loss capture liquid jet.
Particularly being according to the backflow choking device of solution of the present invention for the described type of beginning of this task, capture members has the opening of capturing, and this captures opening has hollow cylinder at least in the section of its inflow side clear opening cross section.
In order within capture members, again to convert the kinetic energy by the liquid jet transmission on jet highway section freely to hydraulic pressure required on sitting bath, suitable is, after the section that constitutes hollow cylinder of capture members, described capture members is expanded towards outlet opening.
According to a kind of particularly advantageous further improvement project regulation of the present invention: capture members has at least one taper ground or at the part section of curvedly expanding aspect clean cross section on the outflow side of the section of hollow cylinder; And connect preferably at least two part sections, the part section of the inflow side in described at least two part sections is compared less expansion with follow-up part section.Surprisedly show, be effective power conversion at the capture members salient point of respective design aspect its clean cross section.At this, the each several part section of capturing on the outflow side of the section that is arranged on hollow cylinder of opening can be separated or by soft transition part system transition of each other mutually by the boundary line that can obviously identify.
The geometric match of a kind of optimization of jet nozzle and capture members regulation: described jet nozzle and described capture members aspect their size according to the following equation:
Capture the diameter=Q of nozzle opening of the diameter/jet nozzle of opening 1So coordinated with each other, that is, and business Q 1Be 1 to 5, preferably 1.05 to 2.0, particularly 1.05 to 1.34.
For the same reason, according to another suggestion regulation of the present invention: the sectional length l of the section of the hollow cylinder of described capture members 1With the open cross-section of capturing opening, compare according to the following equation:
Sectional length (the l of the section of the hollow cylinder of capture members 1The diameter (d) of)/capture opening=Q 2So coordinate, that is, and business Q 2Minimum is 0.2, is 10 to the maximum, and preferably minimum is 1.5, is 2.6 to the maximum.
When on the nozzle opening in capture members particularly, forming dirt deposition or knot calcium, may hinder the coordination of the optimization between jet nozzle and capture members.When the water-drop evaporation on the nozzle opening of staying jet nozzle and the original calcium residue be contained in water stayed, such knot calcium was possible.Therefore be additional to or be independent of above-mentioned feature, also having a kind of task of starting the backflow choking device of described type of creating, this backflow choking device can fewerly maintain the ground operation and in this backflow choking device, particularly reduce the risk of knot calcium.
Particularly being in the backflow choking device of the described type of beginning according to solution of the present invention of this task, jet nozzle is directed and can move to eject position from ready position movably in the backflow choking device, jet nozzle penetrates following interspersed opening with its section of nozzle around nozzle opening in this eject position, this interspersed opening be located in flexible sheet or in ready position by renovating sealing.
In this advised the backflow of constructing choking device according to the present invention, jet nozzle was directed and can move to eject position from ready position movably in the backflow choking device.Jet nozzle penetrates a following interspersed opening with its section of nozzle around nozzle opening in eject position, this interspersed opening be located in flexible sheet or in ready position by renovating sealing; And jet nozzle in ready position by flexible sheet or renovate covering, make the evaporation that calcium occurs causing tying with reducing.
In order in the backflow choking device, to guide movably jet nozzle, and in order to manufacture such backflow choking device by simple as far as possible mode, according to a kind of preferred form of implementation of the present invention, stipulate: be provided with the jet nozzle female part of sleeve-shaped, described jet nozzle is directed movably in this jet nozzle female part; And described jet nozzle female part is connected with capture members via at least one meeting stile.
Show, around the fringe region of nozzle opening, should be configured to cusped edge as far as possible, in order to the liquid jet of not splash is flowed out from jet nozzle.But during manufacture process, there is such danger, that is, hindered by external action around the structural scheme of this cusped edge of the fringe region of nozzle opening.For such damage of the fringe region of resisting cusped edge, according to a kind of preferred form of implementation regulation of the present invention: on jet nozzle, become that single type ground is one-body molded annular lug boss, this lug boss encirclement nozzle opening.
That when the edge of opening of the nozzle opening around jet nozzle, be configured to cusped edge and there is no chamfering and rounding for this reason the time, be conducive to produce and be rich in energy and liquid jet not splash in jet nozzle.
At this, according to a kind of preferred embodiment of the present invention, stipulate: the described edge of opening of nozzle opening has the rib degree (Kantengrad) that is less than 0.1mm or is greater than negative 0.1mm.
When in the zone of jet nozzle at its nozzle opening, having the clean cross section of hollow cylinder, be conducive to liquid jet and optimally flow out from jet nozzle.
In order to resist the knot calcium determined by evaporation in the nozzle opening zone of jet nozzle, according to a kind of preferred further improvement project regulation of the present invention: jet nozzle is arranged on water-bath in ready position in the zone of nozzle opening in or surrounded by water; And renovate or diaphragm preferably will intert closure of openings in the mode of hydraulic seal for this reason in ready position.Because jet nozzle is arranged in water-bath or by water and surrounds in ready position with its nozzle opening, so effectively resist the knot calcium by the evaporation decision on the nozzle opening of jet nozzle.Only have when jet nozzle, penetrate in eject position be located in flexible sheet or during ready position when renovating the interspersed opening of sealing, jet nozzle is just from water-bath or from the water surrounded ready position, passing forward.
The moving movement of jet nozzle between ready position and eject position is possible by the motor type drive unit.But according to of the present invention a kind of simple especially and thereby preferred form of implementation regulation, jet nozzle can overcome reset force from ready position and move to eject position.
Replace the motor type drive unit, according to a kind of preferred further improvement project regulation of the present invention, jet nozzle can move under the pressure-acting of through-flow liquid.
At this, as reset force, can be provided with at least one back-moving spring, particularly when interspersed opening should be by renovating when sealing during ready position.But according to of the present invention a kind of simple especially and thereby preferred form of implementation regulation, for the material of diaphragm, preferably be applied to intrinsic elasticity on jet nozzle as reset force.
In order enough reset forces to be applied in the jet nozzle female part on directed movably jet nozzle, advantageously, jet nozzle reaches in the diaphragm that constitutes cup-shaped, this diaphragm on the cup bottom of its cup-shaped with interspersed opening; And the circumferential edge that deviates from the cup bottom of diaphragm is supported on jet nozzle in the mode of caoutchouc elasticity.
According to a kind of preferred form of implementation regulation of the present invention, seal in the zone of the opening of diaphragm in the zone of the cup bottom of its cup-shaped, the jet nozzle female part being arranged on to guide wall; And diaphragm has at least one percolation opening on the side face of its cup-shaped, this percolation opening is connected the inner space of jet nozzle female part with the inner space of cup-shaped diaphragm.The moving movement of jet nozzle overcomes the intrinsic elasticity of diaphragm to carry out.Because diaphragm is necessary for diaphragm deformation enough free spaces is provided in its peripheral edge margin that jet nozzle is loaded, and, because the moving movement of jet nozzle may be hindered by the separated water yield in diaphragm seal ground, so must also guarantee all the time, sufficiently compensate the water that is arranged in the jet nozzle female part during moving movement.Because diaphragm has at least one percolation opening on the side face of its cup-shaped, this percolation opening is connected the inner space of jet nozzle female part with the inner space of cup-shaped diaphragm, thus opposing water section amount, gathering of hindering the jet nozzle moving movement.
Be additional to or be independent of above-mentioned feature, for the described backflow choking device of beginning, task also is, create a kind of backflow choking device, this backflow choking device can be connected in a simple manner upstream, health use location and should can be matched with in this wise the most different predetermined conditions with low expending by the backflow choking device in inflow side, make the salient point of this backflow choking device be the function of optimizing.At this, should be able to easily clean and when needed also should be with the low deliming that expends according to backflow choking device of the present invention.
Particularly being according to the backflow choking device of solution of the present invention for the described type of beginning of this task: be provided with and embed cylinder, this embeds cylinder with described jet nozzle and described capture members; Embed cylinder and remain in this wise in use location, make jet nozzle be connected with inlet port and capture members is connected with outlet opening; And embed cylinder and have the cylinder opening that at least one can be connected with flow export in being arranged between jet nozzle and capture members and cylinder section that form or limit jet highway section freely.
Backflow choking device according to this invention suggestion structure has an embedding cylinder, and this embedding cylinder has the jet nozzle that can be connected with inlet port and the capture members that can be connected with outlet opening.Jet nozzle is connected with common supply net via inlet port, and capture members by water via outlet opening to the health use location or the outfall guiding intended of comparability.At this, embed cylinder and remain in this wise in use location, make jet nozzle be connected with inlet port and the while capture members is connected with outlet opening.Embed cylinder and have the cylinder opening that at least one can be connected with flow export in being arranged between jet nozzle and capture members and cylinder section that limit jet highway section freely.By getting loose, embed cylinder and change this embedding cylinder, according to of the present invention, can be connected in inflow side toilet seat, washroom ceramics or for example also have the backflow choking device of bathtub upstream to be matched with in this wise the most different predetermined conditions with low expending, make and guarantee all the time the function of optimizing.By getting loose, embed cylinder, can easily clean and when needed also can deliming according to backflow choking device of the present invention.
At this, according to a kind of preferred form of implementation regulation of the present invention: embed in the embedding opening that cylinder can be embedded in a female part and can preferably so removably be fixed on there, making jet nozzle be connected with the inlet port of cylinder female part and capture members is connected with the outlet opening of a female part; And embed cylinder and have the cylinder opening that at least one can be connected with the flow export of cylinder female part in being arranged between jet nozzle and capture members and cylinder section that form or limit jet highway section freely.
This female part can be one-body molded in toilet seat or in bathtub or can constitute and can embed in toilet seat or bathtub and housing that for example be configured to working of plastics.The backflow choking device formed according to the one or more invention suggestions in above-mentioned each invention suggestion is located at the upstream, use location be connected on grid, in order to effectively resist the germ contamination of the water of storing in grid but also possible that.Such embodiment particularly can be advantageously utilised in hospital's scope, should resist spread of germs there.
At this, jet nozzle and with it mating reaction and be located at equally the capture members embedded in cylinder and also can so construct without any problems, make according to backflow choking device of the present invention and also in the zone in jet highway section, be actually leak free.
When embedding cylinder, can embed and can preferably so removably be fixed in the embedding opening of a female part, make jet nozzle be connected with the inlet port of cylinder female part and the outlet opening of capture members and cylinder female part while being connected, embed cylinder in a simple manner the insertion of correct position ground according in backflow choking device of the present invention.
In order by embedding opening, to embed in the cylinder female part and for the cylinder female part being sealed in the mode of hydraulic seal embedding cylinder, advantageously, embedding opening can seal by capping, and embedding cylinder can removably be fixed on or unremovably be connected in this capping.In order to embed, embedding cylinder can be held and operate by capping.Suitablely at this be, embed cylinder can be in capping at least along direction of rotation with also aspect its relative position, fixing along the longitudinal direction in case of necessity, thereby guarantee simultaneously the location in the cylinder female part.
When capping by being threaded or inserting rotating connection or such connector/while being rotationally connected in the zone that preferably removably remains on a female part, be conducive to the shirtsleeve operation according to backflow choking device of the present invention.
When capping has the capping continuation, embedding cylinder can, with at distolateral unlimited cylinder end regions pushing sleeve or while being inserted on this capping continuation, embed cylinder or embed housing and can be fixed in capping in a simple manner.
According to a kind of preferred form of implementation regulation of the present invention: embed cylinder and have at least one import, this intake energy via between the interior week at the cylinder female part and cylinder periphery around and the annular chamber around the ground sealing is connected with the inlet port of a female part in both sides along the longitudinal direction of cylinder female part.In this preferred form of implementation, embed and be fixed in a female part and realize that simultaneously jet nozzle is to the connection on the inlet port of cylinder female part by only embedding cylinder.At this, via the water in the inlet port inflow cylinder female part of cylinder female part, around washing away, embed cylinder in the zone of annular chamber, in order to can by described at least one import, flow in the embedding cylinder and flow into therefrom, be arranged in jet nozzle wherein.
In order also to make the larger water yield flow into and embed in cylinder with as far as possible evenly high pressure, suitable is: embed cylinder and have two imports; And the inlet port of described cylinder female part evenly leads on annular chamber at interval along circumferential and each import.
According to a kind of preferred further improvement project regulation of the present invention, each import is being arranged on the week at the At The Height equated on side opposite each other and roughly.
Particularly advantageously: between these two imports that embed cylinder, be provided with at least one training wall, the preferred a plurality of sheets ground training wall of extension each other; And preferably between two adjacent training walls, being provided with one towards jet nozzle passes through opening.
For can will embed cylinder embed the cylinder female part in the time by simple as far as possible mode, the outlet opening that leads to the health use location, for example leads to sitting bath or bathtub of capture members and cylinder female part is connected, according to a kind of simple and favourable especially form of implementation regulation of the present invention: capture members ends at or passes in the outlet opening that is arranged on distolateral cylinder end or such outlet; Outlet is adjacent to arrange with the outlet opening of cylinder female part; And embed cylinder sealing around ground in interior week with respect to the cylinder female part in it has the zone of cylinder end of outlet.
For the described backflow choking device of beginning, another task is, also can also in the zone of health use location, locate such backflow choking device in case of necessity afterwards.
Be additional to or be independent of above-mentioned feature, a kind of of independent protective meaning that have of this task be according to solution of the present invention, and the jet nozzle female part of sleeve-shaped connects into an embedded components via at least one meeting stile and described capture members; Embedded components can embed in hood-shaped housing, and this housing has the embedding opening of a vertical side for this reason; Embedded components can so removably be fixed in hood-shaped housing, makes and embeds opening formation flow export; And the jet nozzle female part of sleeve-shaped deviates from it can be by closed with covers on jet nozzle distolateral, and this lid is with the connecting tubes that can be connected with inlet port or such import.
According to this invention suggestion, what start described type has hood-shaped housing according to backflow choking device of the present invention, and embedded components can embed in this housing.At this, on the one hand the jet nozzle female part of sleeve-shaped and on the other hand capture members via at least one meeting stile, be interconnected to embedded components.In order embedded components to be embedded in hood-shaped housing, housing has the embedding opening of a vertical side.Embedded components can so removably be fixed in hood-shaped housing, makes and embeds opening formation flow export.The jet nozzle female part of sleeve-shaped deviates from it can be by closed with covers on jet nozzle distolateral, and this lid is with the connecting tubes that can be connected with inlet port or such import.Because the jet nozzle female part of sleeve-shaped can be by closed with covers, so this jet nozzle female part also can be opened like this, make in the jet nozzle female part directed movably jet nozzle easily to embed.Because by housing with can embed the backflow choking device that insert wherein forms and form a reliable in function and unit that structure is especially little, so this unit also can be afterwards also on bathtub, washroom ceramics, toilet seat or during also centre be connected to water inlet pipe in the zone of other health use location.
For housing has the standard compliant distance between flow export and the bearing that loaded by housing all the time, suitable is, one-body molded on housing have at least one interval keeper, a preferred a plurality of intervals keeper, and described interval keeper guarantees the minimum range with respect to the embedding opening that is made as flow export.
For can be after each the use promptly drying be arranged in the backflow choking device of a female part or housing, advantageously, cylinder female part or housing in the zone in jet highway section freely on the cylinder female part or side face housing outside flow export, preferably in a side that deviates from flow export, have at least one fill opening.
In order to be limited in the pollution in an inner space female part or housing and to stop splash water to flow out, suitable is that described at least one fill opening is located at the inflation gap in a wall female part or housing with being configured to labyrinth type.
For above-mentioned housing, a kind of preferred form of implementation regulation, housing is deviating from the vertical side that embeds opening with described at least one fill opening.
In order also in being provided with the backflow choking device of housing, to realize the labyrinth type trend of fill opening, advantageously: housing have two slot-shaped, along the fill opening of housing portrait orientation; And the meeting stile that is arranged in the embedded components of housing reaches by each imaginary plane of slot-shaped fill opening.
In order to protect according to backflow choking device of the present invention, in the zone of its jet nozzle, avoid so contaminated drop; this drop splash by mistake when liquid jet incides on capture members; advantageously, injection or partition wall fill up a clean cross section inner space or the enclosure interior space basically.
For the location that can be connected with shower nozzle or such use location in a simple manner and be applicable to for the position of guaranteeing simultaneously to be arranged according to each ingredient of backflow choking device of the present invention according to backflow choking device of the present invention, advantageously: one-body molded on capture members have connecting tubes or a such outlet, so that capture members is connected with outlet opening; And in capture members and outlet, be provided with groove at outer circumferential side, on the housing of housing is distolateral, towards embedding during wall opening that opening opens wide rabbets described groove.
, location that for the function conclusive position of by the present invention reflux choking device be applicable to each other in order to ensure each ingredient, advantageously: one-body molded in the outside on the jet nozzle female part have a guide wall, and each meeting stile acts on this guide wall in these guide wall both sides; In the enclosure interior space of housing, stretch out forked support; And guide wall abuts on the support be arranged between each meeting stile in this wise in use location, make the fork of support arrange in both sides and interspersed opening spaced apartly.
Injection or partition wall can be made independent member and can follow and be fixed on described at least one meeting stile afterwards.But preferred a kind of following form of implementation, in this form of implementation, injection or partition wall become single type ground one-body molded on described at least one meeting stile.Such form of implementation is conducive to manufacture simply according to backflow choking device of the present invention with few ingredient.
When the described lid of closed jetting flow nozzle female part in use location inboard abut in the adjacent housing of housing distolateral on and one-body molded on lid described connecting tubes or such import this be passed in housing on distolateral, when embedding the maintenance opening that opening opens wide, choking device firmly keeping and location that the position of backflow choking device in housing is applicable in the enclosure interior space, be conducive to reflux.
For can by embedded components can easily dismantle ground but still enough be fixed on reliably in the enclosure interior space, advantageously, keep opening or wall opening in a side, to have retraction section at least along direction of insertion, by this retraction section, can removably lock connecting tubes.If keep opening or wall opening in the both sides of its opening profile, to have such retraction section, the opening profile roughly has the profile for the keyhole of teeth key.
According to a kind of particularly advantageous further improvement project regulation of the present invention, between described at least one import and described jet nozzle, be provided with at least one following function element " flow regulator, back flow stopping device or filter screen ".In order irrespectively in jet nozzle, to produce the water jet of optimizing with the pressure condition supplying with the fluctuation in netting, advantageously, between cylinder import or housing import and jet nozzle, be provided with flow regulator, the water yield that this flow regulator flows through time per unit is regulated and is restricted on the value for jet nozzle and capture members optimization.For the reliability to add, get rid of also contaminated water and be back in the supply net, advantageously, be provided with at least one back flow stopping device between described at least one import or housing import and described jet nozzle.
According to a kind of form of implementation that can operate especially simply of the present invention, stipulate: at least one following function element " flow regulator, back flow stopping device or filter screen " is the ingredient that embeds the cylinder core; And embedding the cylinder core preferably can be from distolateral unlimited jet nozzle female part embeds this jet nozzle female part.At this, embed the cylinder core also can comprise in case of necessity two arrange in succession each other but at its function aspects back flow stopping device independently.
Particularly advantageously, a described back flow stopping device or described a plurality of back flow stopping device and/or flow regulator and between described jet nozzle, be provided with on the other hand at least one filter screen or at least one grid on the one hand, with so that on the clean cross section of pressure condition in the jet nozzle zone evenly.This grid or filter screen are such fine mesh, make it make such barometric gradient existed on the current cross section even, and this barometric gradient for example may be caused by the internal construction in back flow stopping device or flow regulator.
In order in the zone of jet nozzle, to change into high as far as possible kinetic energy and to stipulate from the pressure of the liquid of supplying with net, the preferred infundibulate of described diversion division ground is towards the nozzle opening convergent of jet nozzle.
In order to resist liquid jet, open, suitable is that jet nozzle stretches out on regional inner connecting tube shape or the warty ground of nozzle opening.If the nozzle opening of jet nozzle is taken over shape or warty ground stretches out, stop the injection water droplet flowed out may cross and interference jet simultaneously thus.At this, the jet nozzle of taking over shape or warty can be also rollback and by around groove or recessed forming part around.
For capture members can be in fact without capturing via the liquid jet of coming in the jet highway section with leaking, advantageously, capture members around the section of capturing opening, also take over shape or warty ground stretches out.By the make capturing this adapter shape on the opening periphery or warty and stretching out, the injection water droplet of here also avoiding flowing out can cross and interference jet.
The preferred application example of backflow choking device at least one the invention structure according in foregoing invention is stipulated: the backflow choking device is connected to upstream, health use location in inflow side; And described health use location is the flow inlet of the bottom side of sitting bath or lavatory basin or bathtub preferably.But according to backflow choking device of the present invention, also can for example be connected to the upstream, use location be located in hospital, in order to stop reliably due to the pollution of bacterium to Pipeline Water.
According to the further improvement of the present invention scheme, also by claims, describe and draw in conjunction with following accompanying drawing.
The accompanying drawing explanation
Below by preferred embodiment, also the present invention to be described in more detail.
In figure:
Fig. 1 illustrates the sectional view of a choking device of the backflow with a cylinder female part, one embeds cylinder and is embedded in this female part, this embeds cylinder with a jet nozzle and a capture members, and this capture members is captured from jet nozzle via a jet highway section jet of coming freely
Fig. 2 illustrates the lateral view of the backflow choking device in Fig. 1,
Fig. 3 illustrates the top view of the backflow choking device in Fig. 1 and 2,
Fig. 4 illustrates the exploded view of the chief component of the backflow choking device in Fig. 1 to 3,
Fig. 5 illustrate one with Fig. 1 to 4 comparability intend the ground structure and here equally with the view of the backflow choking device shown in longitudinal section, in this backflow choking device, be located at the jet nozzle and the capture members that embed on cylinder and constitute independent member,
Fig. 6 illustrates the lateral view of the backflow choking device in Fig. 5,
Fig. 7 illustrates the top view of the backflow choking device in Fig. 5 and 6,
Fig. 8 illustrates the exploded view of the chief component of the backflow choking device in Fig. 5 and 7,
Fig. 9 illustrates the longitudinal section of a backflow choking device, in this backflow choking device, replaces and embeds cylinder by a tubular connector, and wherein, the backflow choking device shown in here can stop and reflux by an integrated back flow stopping device in case of necessity,
Figure 10 illustrates the lateral view of the backflow choking device in Fig. 9,
Figure 11 illustrates the exploded view of the chief component of the backflow choking device in Fig. 9 and 10,
Figure 12 illustrates a phantom drawing for the chief component of the jet nozzle of the backflow choking device according to Fig. 1 to 8,
Figure 13 illustrates the longitudinal section of the jet nozzle in Figure 12, wherein, jet nozzle is directed so movably in the jet nozzle female part of a sleeve-shaped, make this jet nozzle with the nozzle opening stretched out with it, can penetrate the interspersed opening of a diaphragm in eject position, wherein, jet nozzle has been withdrawn into shown in the ready position in the jet nozzle female part of sleeve-shaped at it here
Figure 14 is with to will the jet nozzle be in ready position being shown the top view on the diaphragm that jet nozzle penetrates,
Figure 15 illustrates jet nozzle in Figure 12 to 14 in the eject position shown in vertical profile here of nozzle opening,
Figure 16 illustrate jet nozzle in Figure 12 to 15, to the elevation on the jet opening of the interspersed opening that stretches out in diaphragm,
Figure 17 illustrates the schematic longitudinal section of backflow choking device in its capture members zone,
Figure 18 illustrates a backflow choking device according to Fig. 1 to 17 structure, and this backflow choking device is connected to the flow inlet upstream of the basin bottom side of a bathtub here in inflow side,
Figure 19 illustrates a backflow choking device, and in the middle of this backflow choking device, be connected to the water that also can afterwards be assemblied in case of necessity the sitting bath on a toilet seat or washroom ceramics and enter the mouth,
Figure 20 illustrates the water passage schematically shown of the sitting bath shown in Figure 19, this sitting bath has one and is called as the hand-held shower nozzle of " gondola water faucet shower head (Shattaf-Shower) ", wherein, at water, enter the mouth and can find out the middle backflow choking device connected
Figure 21 illustrates the longitudinal section of another form of implementation of a backflow choking device, and wherein, the backflow choking device shown in the backflow choking device shown in Figure 21 and Fig. 1 to 18 similarly forms,
Figure 22 illustrates the detailed drawing of the perspective of the backflow choking device in Figure 21,
Figure 23 illustrate backflow choking device in Figure 21 and 22, to the top view on the flow export of this backflow choking device,
Figure 24 illustrates the lateral view of the backflow choking device shown in Figure 21 and 23,
Figure 25 illustrate backflow choking device in Figure 21 to 24, to the top view on the upside that deviates from flow export,
Figure 26 illustrates the longitudinal section of the backflow choking device of same vertical profile here in Figure 21 to 25, and wherein, in this backflow choking device, be provided with one and overcome reset force directed jet nozzle movably, here at this jet nozzle shown in two shift positions,
Figure 27 illustrates the view in each shift position of mutual contrast of directed jet nozzle movably that backflow choking device in Figure 21 to 26 is in the backflow choking device,
Figure 28 illustrates the longitudinal section of the jet nozzle of the backflow choking device shown in Figure 21 to 27,
Figure 29 illustrates the view of injection nozzle in the zone of its nozzle opening of the backflow choking device shown in Figure 21 to 27, and
Figure 30 illustrate jet nozzle in Figure 28 and 29, to the top view on nozzle opening.
The specific embodiment
In Fig. 1 to 30, with different embodiments, backflow choking device 1,100 is shown, this backflow choking device can be connected in inflow side the bathtub inflow entrance upstream of health use location, for example sitting bath or bathtub.This backflow choking device 1,100 should stop contaminated water to be back in the drinking water supply net reliably.
Backflow choking device 1 shown in Fig. 1 to 20 has a cylinder female part 2, and this female part for example can be integrated in the space part of a form fit on toilet seat.As the comparison by Fig. 1 to 8, can find out, in cylinder female part 2, be provided with jet nozzle 4 and a capture members 5 that can be connected with an inlet port 3 of cylinder female part 2, this capture members can be captured from jet nozzle 4 via jet highway section 6 liquid jet of coming freely.Jet nozzle 4 is connected with the drinking water supply net via the inlet port 3 of cylinder female part 2, and capture members 5 via outlet opening of cylinder female part 2 and an injection nozzle not shown further or with a sitting bath Figure 19 in 20 that describe and hand-held shower nozzle 45 that be called as " gondola water faucet shower head " be connected.Below jet highway section 6 freely, be provided with a flow export 8 of a female part 2, to be exposed to atmosphere ground directed in the jet highway section freely via this as water jet for water, and this flow export can be derived from the inside of cylinder female part 2 and is not captured the liquid that part 5 captures and partly measure.68 one-tenth single type ground of an interval keeper are one-body molded to cylinder female part 2, and this interval keeper can be guaranteed at flow export 8 and streamwise in thereafter the standard compliant minimum range between the refluence plane of choking water.This interval keeper 68 aspect cross section, for example be configured to sleeve-shaped and on its vertical side, have through-flow openings 69 in both sides, these through-flow openings are along the longitudinal extension direction orientation of interval keeper 68.These through-flow openings 69 that are located at both sides on vertical side of interval keeper 68 provide the outward appearance of cage shape to interval keeper 68.
Backflow choking device 1 shown in Fig. 1 to 8 is equipped with one and embeds cylinder 9, and this embeds cylinder with jet nozzle 4 and capture members 5.This embedding cylinder 9 can embed opening 10 by one and for example is embedded in the cylinder female part 2 shown in Fig. 1 and can so removably be fixed therein, and makes jet nozzle 4 be connected with the inlet port 3 of cylinder female part 2.By Fig. 1 and 5, can be found out, embed cylinder 9 and be arranged between jet nozzle 4 and capture members 5 and cylinder section that form or limit jet highway section 6 freely and have the opening 11 that at least one is connected with the flow export 8 of cylinder female part 2 at it.In embedding cylinder 9 shown here, the flow export 8 of cylinder opening 11 and cylinder female part 2 directly adjoins each other.
Embedding cylinder 9 can be embedded in the inside of a female part 2 by embedding opening 10, and this embeds opening can be by a capping 12 sealings, and embedding cylinder 9 can removably be fixed in this capping.Capping 12 removably remains on a female part 2 by a connector/be rotationally connected here, and wherein, connector/be rotationally connected can for example constitute inserts rotating connection or such bayonet socket connects.
Capping 12 has a capping continuation 13, and embedding cylinder 9 can be adjacent with it, at distolateral unlimited cylinder end regions 14 pushing sleeves or be inserted on this capping continuation.
Therefore, also can be by accessible capping 12 all the time easily operates from outside under narrow and small situation even embed cylinder 9.
Embed cylinder 9 and have at least one import 15, this intake energy via one between the interior week of cylinder female part 2 and cylinder periphery around and the annular chamber 16 around the ground sealing is connected with the inlet port 3 of a female part 2 in both sides along the longitudinal direction of cylinder female part 2.Embed cylinder 9 have here two oval-shaped and along the import 15 of cylinder circumferential direction orientation.The inlet port 3 of cylinder female part 2 evenly leads in annular chamber 16 at interval along circumferential direction and the import 15 that is arranged on the equal height place here on side respect to one another.
By one side Fig. 1 and 5 and on the other hand Fig. 4 and 8 comparison can see, capping continuation 13 forms by parallel, the training wall 17 that arrange with the small spaced and mutual sheet of distance of some.If embedding cylinder 9 covers installs in capping 12, the gap be retained between training wall 17 interconnects each import 15, thereby the current that flow into via import 15 are in following place is bumped against and redirect to a longitudinal direction, described current between place, described place is by the training wall 17 adjacent towards passage freely that jet nozzle 4 arranges or in by opening 18, flowing into an inner space.
Between import 15 and jet nozzle 4, be provided with one and embed cylinder core 19, this embedding cylinder core can be from distolateral unlimited cylinder end regions 14 be embedded into an inner space.Embed cylinder core 19 and have at least one back flow stopping device, this back flow stopping device only allows the current towards jet nozzle 4.Embed cylinder core 19 and also have a flow regulator, the water yield that this flow regulator can be through-flow by time per unit and pressure independent ground limit and are adjusted on a definite value.
With in the backflow choking device 1,100 shown in longitudinal section, jet nozzle 4 is directed movably in the jet nozzle female part 50 of a sleeve-shaped in Fig. 5 and 21.This jet nozzle female part 50 and capture members 5 via at least one meeting stile 51, preferably two interconnect with being parallel to 51 one-tenth single types of meeting stile that jet highway section 6 freely arranges.
In the backflow choking device 100 shown in Figure 21 to 27, jet nozzle female part 50 and connected capture members 5 form an embedded components 52, and this embedded components can be embedded in a hood-shaped housing 53.Housing 53 has the embedding opening 54 of a vertical side for this reason, and embedded components 52 can embed opening by this and embed.
Embedded components 52 can so removably be fixed in housing 53, makes embedding opening 54 form simultaneously flow export 8.Jet nozzle female part 50 deviates from it can be by 55 sealings of a lid on jet nozzle 4 distolateral, and this lid is with an import that can be connected with inlet port.This import constitutes connecting tubes 56 here, and this connecting tubes can be connected with inlet port via a flexible pipe not shown further.In order to guarantee all the time the enough distances between the embedding opening 54 as flow export 8 and corresponding housing base, at least one interval keeper can be one-body molded to housing 53.Preferred a kind of unshowned, form of implementation of being provided with a plurality of intervals keeper here, these interval keepers particularly are arranged in the housing folding corner region.
In Figure 21 and 22, can find out, connecting tubes 57 or such outlet are also one-body molded on capture members 5, in order to capture members 5 for example is connected with the outlet opening that leads to use location via a flexible pipe conduit.At Figure 21 and 22, can find out, on capture members 5 and with on connecting tubes 57 for export outer circumferential side be provided with 58, one housings at housing 53 of a groove on distolateral, towards embedding wall opening 59 interlockings that opening 54 opens wide in this groove.Because the embedding opening of surrounding wall opening 59 is rabbeted in groove 58, the location that the position of the embedded components 52 formed by jet nozzle 4 and capture members 5 so guarantee all the time is applicable to.
At Figure 21 and 22, can find out, a guide wall 60 is one-body molded on jet nozzle female part 50 at outer circumferential side.Each described meeting stile 51 acts on this guide wall in these guide wall 60 both sides, and this guide wall abuts on the support 61 of a fork-shaped in use location, and this support stretches out in the enclosure interior space of housing 53.At this, the fork 62 of support 61 arranges at the nozzle opening of both sides and jet nozzle 4 spaced apartly, in order to do not hinder the function according to the rules of jet nozzle 4.Because guide wall 60 abuts on support 61 in use location, embedded components 52 positions compatibly are embedded in housing 53 so guarantee equally.Because support 61 62 is arranged between each meeting stile 51 with its fork, so also realize anti-rotation in housing 53 of embedded components 52.
In Figure 21, can find out well, the lid 55 of distolateral closed jetting flow nozzle female part 50 in use location inboard abut in the adjacent housing of housing 53 distolateral on.At this, one-body molded connecting tubes 56 on lid 55 run through one on housing is distolateral, towards the maintenance opening 70 that embeds opening 54 and open wide.In use location, admit therein the maintenance opening 70 of connecting tubes 56,57 and also have wall opening in its opening profile at least in a side, preferably in both sides, have retraction section 71, connecting tubes 56 or 57 can removably lock by this retraction section.The retraction section 71 in the opening profile of being located in both sides is to keeping opening 70 and also having wall opening 59 that following opening profile is provided, and this opening profile is that comparability is intended with the keyhole that is provided for teeth key.Guarantee in this manner the reliable maintenance of embedded components 52 in housing 53.
By Fig. 1,4,5,8,21,22 and 26, can be found out, connect the filter screen 20 that taper is stretched out in jet nozzle 4 upstreams.The such fine mesh of filter screen 20 or grid ground forms, and makes the different pressure on cross section in current homogenized.
The jet nozzle 4 of backflow choking device 1,100 can make to convert to from the pressure energy of the water of supplying with net the kinetic energy of water jet.Stipulate, diversion division is towards the nozzle opening 21 infundibulates ground convergents of jet nozzle 4 for this reason.In the zone of nozzle opening 21, jet nozzle 4 constitutes the lug boss 22 of taking over shape or warty, the minimum that affects on water jet caused by adhesion in order to make.
In jet highway section 6 freely, be provided with at least one injection or partition wall 23 with capture members 5 and jet nozzle 4 spaced apartly, this injection or partition wall have a transmissive apertures 24, and this transmissive apertures has with the jet cross section of liquid jet compares larger clean cross section.At this, the clear opening cross section of this transmissive apertures 24 is determined size like this, makes liquid jet not be transmitted opening 24 boundling ground and just also contactlessly passes this transmissive apertures.In order not hinder liquid jet, the injection arranged between jet nozzle 4 and capture members 5 or partition wall 23 more are close to capture members 5 and arrange spaced apartly.At this, preferred a kind of form of implementation, spray or partition wall 23 and spaced apart at least four millimeters of capture members 5 in this form of implementation.
Capture members 5 should will convert corresponding pressure energy to from jet nozzle 4 and kinetic energy that be captured the water jet that part 5 captures, then for clean jet or the water jet of for example by hand-held shower nozzle 45 or the another kind of health use location of injection nozzle, sitting bath, being discharged, needs this pressure energy.By Fig. 1,5,21 and 26, can be found out capture members 5 infundibulate ground expansion aspect its clean cross section for this reason.Capture members 5 has one and captures opening 28, and this is captured opening and in the section 25 of its inflow side, has at least the clear opening cross section of hollow cylinder.After the section 25 that constitutes hollow cylinder, capture members 5 is expanded towards outlet opening.On the outflow side of the section 25 of hollow cylinder, capture members 5 have taper ground or in clean cross section the part section 26,27 of expansion curvedly, the section 26 of the inflow side in these part sections is compared less expansion with follow-up part section 27.
In backflow choking device 1, capture members 5 is passed in a cylinder outlet opening 30 be arranged on distolateral cylinder end 29, and this outlet opening is adjacent to arrange with the outlet opening 7 of cylinder female part 2.Embedding cylinder 9 also has the circumferential ring with respect to cylinder female part 2 in the zone of cylinder end 29 of an outlet opening 30 at it and seals around ground.
The embedding cylinder 9 of backflow choking device 1 can embed like this and be fixed in a female part 2, make jet nozzle 4 be connected with the inlet port 3 of cylinder female part 2 and simultaneously capture members 5 with the outlet opening 7 of a female part 2, be connected.The embedding cylinder 9 of backflow choking device 1 is arranged in cylinder section between jet nozzle 4 and capture members 5 and that limit jet highway section 6 freely and has at least one opening 11 at it, and this opening is connected with the flow export 8 of a female part 2.By from cylinder female part 2, getting loose, embedding cylinder 9 and replacing this embedding cylinder 9, backflow choking device 1 can be matched with the most different predetermined conditions like this with few expending, make and guarantee all the time the function of optimizing, the cylinder female part 2 of described backflow choking device for example can be recessed into and be molded in toilet seat, washroom ceramics or bathtub or as can constitute here and can be embedded on toilet seat, on the washroom ceramics or the housing in the corresponding receptacle on the basin opening at bathtub.By from cylinder female part 2, getting loose, embedding cylinder 9, also can easily clean backflow choking device 1 and when needed to its deliming.
The difference at the embodiment shown in Fig. 1 to 4,5 to 8 and 21 to 27 of backflow choking device 1,100 only is, in the embodiment shown in Fig. 5 to 8, on the one hand jet nozzle 4 and on the other hand capture members 5 be configured to respectively one and can removably be embedded into the member embedded in tins 9.By jet nozzle 4 and capture members 5 are configured to independent member, the modular structure types that is conducive to like this backflow choking device 1 shown in Fig. 5 to 8, make in case of necessity and also can make to embed by replacing jet nozzle 4 and/or capture members 5 corresponding conditions that cylinder 9 is matched with the local supply net existed.
Because in remaining backflow choking device 1,100, sections that form to embed 9 or jet freely embedded components 52 the highway section 6 of cylinder only by described two along the longitudinal direction directed meeting stile 51 form, so the embedded components 52 of the embedding cylinder 9 of backflow choking device 1 or backflow choking device 100 constitutes in the zone in jet highway section 6 unlimited at this freely.For the choking device 1,100 that refluxes can be promptly after each the use drying again, in the zone in jet highway section 6 freely, be provided with at least one fill opening.
In backflow choking device 1, on the side of the flow export that deviates from a female part 28 of the cylinder female part 2 shown in Fig. 1 to 8, be provided with slot-shaped fill opening 37 for this reason, these fill openings extend through to labyrinth type the wall of a female part 2 here.On the other hand, the housing 53 of the backflow choking device 100 shown in Figure 21 has two slot-shaped fill openings 63, and these two fill openings are arranged on and deviate from the vertical side that embeds opening 54.Described two slot-shaped fill openings 63 in parallel to each other and the distance ground of being spaced from each other along housing longitudinal direction orientation.Because be arranged in the meeting stile 51 of the embedded components 52 of housing 53, reach one by the slot-shaped imaginary plane of fill opening 63, so the air guiding that also reaches mazy in backflow choking device 100, passes fill opening 63.
The backflow choking device 1,100 here provides the safety of maximum possible, is back in the zone be connected with the drinking water supply net in order to get rid of contaminated water.In order also to embed backflow choking device 1,100 in the place that does not require high like this safety, possible is, with the connector 31 of a sleeve-shaped, replace the embedding cylinder 9 in cylinder female part 2 of backflow choking devices 1, this connector cross-over connection freely the jet highway section and by the outlet opening 7 of the inlet port of cylinder female part 23 and a female part 2 in case of necessity in the situation that centre is connected an embedding cylinder core 19 with at least one back flow stopping device is connected.
By Fig. 9 to 11, can be found out, the modular frame mode of backflow choking device 1 is convenient to replace and embed cylinder 9 with a corresponding connector 31.Comparison by Fig. 9 and 11 can find out, the connector 31 of sleeve-shaped also with its distolateral end of opening wide like this cover install on the capping continuation 13 of capping 12, make the inlet opening 32 of side be connected with the inlet port 3 of a female part 2 via annular chamber 16.At this, be pushed into embedding cylinder core 19 in connector 31 and be locked between the annular convex shoulder 33 on the interior week that capping continuation 13 and one is arranged on connector 31.
The subregion with jet nozzle 4 of a heteroid backflow choking device 1,100 is shown at least in Figure 12 to 15 and 21 to 27.If by Figure 12 to 15 and 21 to 27, found out, in this heteroid backflow choking device 1,100, jet nozzle 4 is directed and can from one, under the pressure-acting of through-flow liquid, overcome reset force at the ready position shown in Figure 13 and 14 and move to an eject position movably in jet nozzle female part 50, in this eject position, as shown in Figure 15 and 16 or 26 or 27, jet nozzle 4 forms nozzle opening 21 and nozzle section that constitute lug boss 22 with it and penetrates an interspersed opening 36 be located in a flexible sheet 35.In the embodiment shown in Figure 15 and 16, reset force is applied on jet nozzle 4 by back-moving spring 34; And in the embodiment shown in Figure 26 and 27, but the moulding of the elastic deflection of elastomeric material and/or flexible sheet 35 formation is applied to the reposition element on injection nozzle 4.
In Figure 26 and 27, can find out, jet nozzle 4 reaches for this reason and constitutes here in cup-shaped diaphragm 35, this diaphragm on the cup bottom of its cup-shaped with interspersed opening 36.At this, the circumferential edge that deviates from the cup bottom of diaphragm 35 is supported on jet nozzle 4 in the mode of caoutchouc elasticity.In Figure 26 and 27, can find out, diaphragm 35 will seal in the zone of the opening 64 of jet nozzle female part 50 in one is located at guide wall in the zone of the cup bottom of its cup-shaped, and diaphragm 35 has at least one percolation opening, the preferred percolation opening 65 of a plurality of distances that are spaced from each other on the side face of its cup-shaped, it is slot-shaped and along the circumferential direction orientation that described percolation opening constitutes.These percolation openings 65 are connected the inner space of jet nozzle female part 50 66 with the inner space 67 of cup-shaped diaphragm 35, thereby during jet nozzle 4 moving movements, can realize in the fluid exchange between these inner spaces 66,67.For resist jet nozzle 4 in the zone of its nozzle opening 21 the knot calcium determined by evaporation and stipulating, jet nozzle 4 is surrounded by water in the ready position shown in Figure 27 left side at it or around washing away.
Figure 17 illustrates a kind of according to the view of backflow choking device of the present invention in its capture members 5 zones with schematic part longitudinal section.As seen from Figure 17, capture members 5 is stretched out at periphery side joint tubulose or warty ground in the section of capturing opening 28 at it.Shown in Figure 17 in addition, capture members 5 has a hollow cylinder in it captures the zone of the opening 28 or section of hollow cylinder roughly.At this, favourable can be, the length l of this section 1The ratio of comparing with the clean interior diameter of capturing opening is preferably greater than/equals 0.2 to being less than/equaling 10, particularly being greater than/equaling 1.5 to being less than/equaling 2.6.In Figure 17, also can find out, capture members 5 is preferably infundibulate ground expansion after the part of hollow cylinder.In this regulation, capture members has at least one section along the through-flow direction conical expansion 26,27 on the outflow side of the section 25 of its hollow cylinder, and has from 0 to comprising 100 millimeters, preferably from 0 to the length l that comprises 30 millimeters with the section of the direct adjacency of section of hollow cylinder 2.At this, the preferred form of implementation shown in here, capture members 5 has at least two sections along the through-flow direction conical expansion 26,27 in this form of implementation, wherein, the outflow side at least at least two sections adjacent one another are 26,27 and preferably more strongly the section of expansion have from 0 to 100 millimeter, the preferred length l of from 0 to 30 millimeter 3.
In Figure 17, also can find out, capture members 5 longitudinal axis with respect to capture members in the zone of the section 27 of its stronger conical expansion has from being greater than/equaling 0 to being less than/equaling 45 °, being preferably greater than/equaling 0 to the angle a that is less than/equals 18 ° 2.At this, part section between the section that is located at this stronger conical expansion 27 of capture members 5 and the section 25 of hollow cylinder, that have Small Taper more is with respect to the angle a of capture members longitudinal axis 1Should be from being greater than/equaling 0 to being less than/equaling 45 °, preferably from being greater than/equaling 0 to being less than/equaling 13 °.
In following table, again repeat this preferred scope in the structural form of capture members 5:
? The narrowest design parameters The widest design parameters
l 1/d 1.5≤l 1/d≤2.6 0.2≤l 1/d≤10
l 2[mm] 0≤l 2≤30 0≤l 2≤100
l 3[mm] 0≤l 3≤30 0≤l 3≤100
a 1(degree) 0≤a 1≤13 0≤a 1≤45
a 2(degree) 0≤a 2≤18 0≤a 2≤45
The backflow choking device 1 here can be connected in inflow side bath appliance, particularly set the sitting bath upstream to toilet seat.In addition, but also possible that, backflow choking device 1 is connected to the flow inlet upstream of bathtub 38 in inflow side.Schematic diagram in Figure 18 can find out, in bathtub 38 shown here, bathtub inflow entrance 39 and bathtub flow export 40 are located on the basin bottom part of bathtub 38 with being separated from each other.But also possible that, bathtub inflow entrance 39 and bathtub flow export 40 are flocked together in a common basin opening.Because in any case bathtub inflow entrance 39 also is arranged on the water surface below of the bath water that is arranged in bathtub 38 thus, thus bath water can without splash water ground and low noise enter into bathtub 38.Yet the water entered because be pressed onto and the water on bathtub inflow entrance 39 also contain such danger, that is, polluted bath water or use water flow in water supply network, so in the application example shown in Figure 18, definitely must guarantee very effectively to flow into safety.
But water enters into the water tap 41 of bathtub 38 by a manual control and operates, and this water tap integrates a hot water inlet port 42 and a cold water inlet port 43.After the water from water tap 41 has reached backflow choking device 1, through-flow water can be connected to the back flow stopping device 44 between backflow choking device 1 and bathtub inflow entrance 39 through a centre, and then the water in bathtub inflow entrance 39 flow in bathtub 38 at bottom side.
In the schematic diagram according to Figure 19 and 20, can find out, according to backflow choking device 1 of the present invention, also can middle be connected in the water inlet port 49 that for example leads to a hand-held shower nozzle 45 of a sitting bath schematically shown here, this sitting bath yet is encased in the washroom ceramics or in toilet seat in case of necessity afterwards.
If top, set forth, the jet nozzle 4 of the backflow choking device 100 shown in Figure 21 to 27 is directed movably in jet nozzle female part 50.For this reason, jet nozzle female part 50 is configured to by lid 55 openable in a side of its faces away from nozzle opening 21.By the embedding opening sealed by lid 55 in use location of jet nozzle female part 50, jet nozzle 4 can be embedded in the inner space of jet nozzle female part 50.In Figure 26 and 27, can find out, jet nozzle 4 can be in backflow choking device 100 moves to the eject position shown in longitudinal axis the right under the pressure-acting of through-flow liquid, overcoming reset force from the ready position shown in the longitudinal axis left side, in this eject position, jet nozzle 4 penetrates with the nozzle section that it forms nozzle opening 21 the interspersed opening 36 be located in flexible sheet 35.Here the jet nozzle 4 that basically constitutes taper has one here and for example is arranged on middle annular convex shoulder, constitutes hood-shaped diaphragm 35 and is supported on this annular convex shoulder.Here constitute cup-shaped and be shaped like this by the diaphragm 35 that elastomeric material is made, making this diaphragm apply reset force to directed movably jet nozzle 4.The mobile route of jet nozzle 4 in jet nozzle female part 50 is on the one hand by a filter screen 20 connected in jet nozzle 4 upstreams with on the other hand by an annular convex shoulder 47 restrictions on the interior week at jet nozzle female part 50.
In Figure 28 to 30, describe the jet nozzle 4 of the backflow choking device 1 shown in Figure 21 to 27.As the overview by Figure 28 to 30, observe and can find out, jet nozzle 4 has an annular convex shoulder in the zone of its nozzle opening 21.For this reason, 22 one-tenth single type ground of lug boss of the annular of an encirclement nozzle opening 21 are one-body molded to jet nozzle 4.Around the edge of opening of the nozzle opening of jet nozzle 4 be configured to cusped edge and for this reason without chamfering or without rounding.The edge of opening of nozzle opening 21 has the rib degree that is less than 0.1 millimeter or is greater than negative 0.1 millimeter for this reason.Because nozzle opening and be arranged on annular lug boss 22 fronts around the edge of opening streamwise of nozzle opening; and because annular lug boss 22 is protected the cusped edge around edge around nozzle opening 21 thus, so when manufacturing injection nozzle 4, avoid the damage of the edge of opening to nozzle opening 21 and cusped edge thereof perhaps occurred.The edge of opening of cusped edge forms an air deflector seamed edge that is located at interior all sides, and this air deflector seamed edge is conducive to sharp-pointed be shaped and liquid jet not splash in jet nozzle 4.
Reference numerals list
1 (according to Fig. 1's to 20) backflow choking device
2 female parts
3 (cylinder female part 2) inlet port
4 jet nozzles
5 capture members
6 jet highway sections
7 (cylinder female part 2) outlet opening
8 flow exports
9 embed cylinder
10 (cylinder female part 2) embedding opening
11 openings
12 cappings
13 capping continuation
14 end regions
15 imports
16 annular chambers
17 training walls
18 pass through opening
19 embed the cylinder core
20 filter screens
21 nozzle openings
22 (jet nozzle 4) lug boss
23 spray or partition wall
24 (in injection or partition wall) transmissive apertures
25 (hollow cylinder) part section
26 (taper forms) part section
27 (have more Small Taper) part section or transition zone
28 capture opening
29 ends
30 outlet openings
31 (sleeve-shaped) connector
32 inlet openings
33 annular convex shoulders
34 back-moving springs
35 diaphragms
36 interspersed openings
37 fill openings
38 bathtubs
39 bathtub inflow entrances
40 bathtub flow exports
41 water taps
42 hot water inlet ports
43 cold water inlet ports
44 back flow stopping devices
45 hand-held shower nozzles
47 annular convex shoulders
48 cut off member
49 feed water inlets
50 jet nozzle female parts
51 meeting stiles
52 embedded components
53 housings
54 embed opening
55 lids
56 connecting tubes (as import)
57 connecting tubes (as outlet)
58 grooves
59 wall openings
60 guide wall
61 supports
62 (support 61) fork
63 (backflow choking device 100) fill opening
64 (in guide wall 60) opening
65 percolation openings
66 (jet nozzle female part 50) inner space
67 (cup-shaped diaphragm 35) inner space
68 interval keepers
69 through-flow openings
70 keep opening
71 retraction sections
100 (according to Figure 21's to 27) backflow choking device

Claims (55)

1. the backflow choking device (1, 100), this backflow choking device has the jet nozzle (4) that can be connected with inlet port (3) and has capture members (5), this capture members can from the liquid jet that jet nozzle (4) is come via jet highway section (6) freely capture and this capture members with or can with outlet opening (7, 57) be connected, and comprise the flow export (8) that is arranged on jet highway section (6) freely below, this flow export (8) can will not be captured part (5) liquid of capturing partly measure derivation, it is characterized in that: in described jet freely highway section (6), with jet nozzle (4) and capture members (5), be provided with at least one injection or partition wall (23) spaced apartly, this injection or partition wall (23) have transmissive apertures (24), this transmissive apertures has with the jet cross section of liquid jet compares larger clear opening cross section.
2. backflow choking device according to claim 1 (1,100) is characterized in that: the clear opening cross section of described transmissive apertures (24) is so determined size, makes liquid jet not be transmitted opening boundling ground and contactlessly passes this transmissive apertures.
3. backflow choking device according to claim 1 and 2 is characterized in that: described injection or partition wall (23) are in a side and capture members (5) and spaced apart at least 4 millimeters of opposite side and jet nozzle (4).
4. according to the described backflow choking device of one of claims 1 to 3, it is characterized in that: the described injection or the partition wall (23) that are located between jet nozzle (4) and capture members (5) more are close to capture members (5) setting spaced apartly.
According to the preamble of claim 1, particularly according to the described backflow choking device of one of claim 1 to 4, it is characterized in that: described capture members (5) has the opening of capturing (28), and this is captured opening and in the section (25) of its inflow side, has at least the clear opening cross section of hollow cylinder.
6. backflow choking device according to claim 5 is characterized in that: at the section that constitutes hollow cylinder (25) of described capture members afterwards, described capture members (5) is expanded towards outlet opening (7).
7. according to the described backflow choking device of claim 5 or 6, it is characterized in that: described capture members (5) has at least one taper ground or at the part section of curvedly expanding aspect clean cross section on the outflow side of the section (25) of hollow cylinder; And connect preferably at least two part sections (26,27), the part section (26) of the inflow side in described at least two part sections is compared less expansion with follow-up part section (27).
8. according to the described backflow choking device of one of claim 1 to 7, it is characterized in that: described jet nozzle (4) and described capture members (5) aspect their size according to the following equation:
Capture the diameter=Q of nozzle opening (21) of the diameter/jet nozzle of opening (28) 1So coordinated with each other, that is, and business Q 1Be 1 to 5, preferably 1.0 to 2.0, particularly 1.0 to 1.34.
9. according to the described backflow choking device of one of claim 5 to 8, it is characterized in that: the length (l) of the part section (25) of the hollow cylinder of described capture members (5) is compared according to the following equation with the open cross-section of capturing opening (28):
Length (the l of the part section (25) of the hollow cylinder of capture members (5) 1The diameter (d) of)/capture opening (28)=Q 2So coordinate, that is, and business Q 2Minimum is 0.2, is 10 to the maximum, and preferably minimum is 1.58, is 2.6 to the maximum.
According to the preamble of claim 1, particularly according to the described backflow choking device of one of claim 1 to 9, it is characterized in that: described jet nozzle (4) is at backflow choking device (1,100) directed and can move to eject position from ready position movably in, jet nozzle in this eject position (4) penetrates following interspersed opening (36) with its nozzle section around nozzle opening (21), this interspersed opening be located in flexible sheet (35) or in ready position by renovating sealing.
11. backflow choking device according to claim 10 is characterized in that: be provided with the jet nozzle female part (50) of sleeve-shaped, described jet nozzle (4) is directed movably in this jet nozzle female part; And described jet nozzle female part (50) is connected with capture members (5) via at least one meeting stile (51).
12., according to the described backflow choking device of one of claim 1 to 11, it is characterized in that: on described jet nozzle (4), become that single type ground is one-body molded an annular lug boss (22), this lug boss surrounds nozzle opening (21).
13., according to the described backflow choking device of one of claim 1 to 12, it is characterized in that: around the edge of opening of the nozzle opening (21) of described jet nozzle (4), be configured to cusped edge and there is no chamfering and rounding for this reason.
14. backflow choking device according to claim 13 is characterized in that: the edge of opening of described nozzle opening (21) has the rib degree that is less than 0.1mm or is greater than negative 0.1mm.
15. according to the described backflow choking device of one of claim 1 to 14, it is characterized in that: described jet nozzle (4) has the clean cross section of hollow cylinder in the zone of its nozzle opening (21).
16., according to the described backflow choking device of one of claim 1 to 15, it is characterized in that: described jet nozzle (4) is arranged on water-bath in the inherent ready position in the zone of nozzle opening (21) in or surrounded by water; And described renovate or described diaphragm will intert closure of openings for this reason in ready position.
17. according to claim 10 to one of 16 described backflow choking devices, it is characterized in that: described jet nozzle (4) can overcome reset force from ready position and move to eject position.
18. according to claim 10 to one of 17 described backflow choking devices, it is characterized in that: described jet nozzle (4) can move under the pressure-acting of through-flow liquid.
19., according to the described backflow choking device of claim 17 or 18, it is characterized in that: as reset force, be provided with at least one back-moving spring (34).
20., according to claim 17 to one of 19 described backflow choking devices, it is characterized in that: for the material of diaphragm (35), preferably be applied to intrinsic elasticity on jet nozzle (4) as reset force.
21. according to claim 10 to one of 20 described backflow choking devices, it is characterized in that: described jet nozzle (4) reaches in the diaphragm (35) that constitutes cup-shaped, this diaphragm on the cup bottom of its cup-shaped with interspersed opening (36); And the circumferential edge that deviates from the cup bottom of described diaphragm (35) is supported on jet nozzle (4) in the mode of caoutchouc elasticity.
22. backflow choking device according to claim 21 is characterized in that: sealing in the zone of the opening (64) in the zone of described diaphragm (35) bottom the cup of its cup-shaped, jet nozzle female part (50) being arranged on to guide wall (60); And described diaphragm (35) has at least one percolation opening (65) on the side face of its cup-shaped, this percolation opening is connected the inner space of jet nozzle female part (50) (66) with the inner space (67) of cup-shaped diaphragm (35).
23., according to the preamble of claim 1, particularly according to the described backflow choking device of one of claim 1 to 22 (1), it is characterized in that: be provided with and embed cylinder (9), this embeds cylinder with described jet nozzle (4) and described capture members (5); Described embedding cylinder (9) remains in use location in this wise, makes jet nozzle (4) be connected with inlet port (3) and capture members (5) is connected with outlet opening (7); And the described cylinder (9) that embeds has the opening (11) that at least one can be connected with flow export (8) in being arranged between jet nozzle (4) and capture members (5) and cylinder section that form or limit jet highway section (6) freely.
24. backflow choking device according to claim 23, it is characterized in that: described embedding cylinder (9) can embed and can preferably so removably be fixed in the embedding opening (10) of a female part (2), makes jet nozzle (4) be connected with an inlet port (3) of female part (2) and capture members (5) is connected with the outlet opening (7) of a female part.
25., according to the described backflow choking device of claim 23 or 24, it is characterized in that: the embedding opening (10) of described cylinder female part (2) can be by capping (12) sealing, and described embedding cylinder (9) can be fixed in this capping (12).
26. backflow choking device according to claim 25 is characterized in that: described capping (12) preferably removably remains on a female part (2) by being threaded or connector/being rotationally connected.
27. according to the described backflow choking device of one of claim 23 to 26, it is characterized in that: described capping (12) has capping continuation (13), and the described cylinder (9) that embeds can be with at distolateral unlimited cylinder end regions (14) pushing sleeve or be inserted on this capping continuation.
28. according to the described backflow choking device of one of claim 23 to 27, it is characterized in that: described embedding cylinder (9) has at least one import (15), this intake energy via between the interior week at cylinder female part (2) and cylinder periphery around and the annular chamber (16) around the ground sealing is connected with an inlet port (3) of female part (2) in both sides along the longitudinal direction of cylinder female part (2).
29. backflow choking device according to claim 28 is characterized in that: described embedding cylinder has two imports (15); And the inlet port (3) of described cylinder female part (2) evenly leads on annular chamber (16) at interval along circumferential and each import (15).
30., according to the described backflow choking device of one of claim 23 to 29, it is characterized in that: each described cylinder import (15) is being arranged on the week at the At The Height equated on side opposite each other and roughly.
31., according to the described backflow choking device of one of claim 23 to 30, it is characterized in that: between described two imports (15) of described cylinder, be provided with at least one training wall (17), the preferred a plurality of sheets ground training wall (17) of extension each other; And preferably between two adjacent training walls (17), be provided with one by opening (18) towards jet nozzle (4).
32., according to the described backflow choking device of one of claim 23 to 31, it is characterized in that: described capture members (5) ends at or passes in the cylinder outlet opening (50) be arranged on distolateral cylinder end; Described cylinder outlet opening (30) is adjacent to arrange with the outlet opening (7) of cylinder female part (2); And describedly embed cylinder (9) sealing around ground in interior week with respect to cylinder female part (2) in it has the zone of cylinder end (29) of an outlet opening (30).
33. according to the described backflow choking device of one of claim 23 to 32, it is characterized in that: on the flow export (8) of described cylinder female part (2), be provided with interval keeper (68), this interval keeper guarantees that flow export (8) is to the minimum range of choking water the refluence plane.
34. backflow choking device according to claim 33 is characterized in that: described interval keeper (68) has the profile of sleeve-shaped; And the sleeve at described interval keeper (68) is provided with at least one through-flow openings (69) on week.
35. backflow choking device according to claim 34 is characterized in that: be arranged at least one through-flow openings on described interval keeper (68), described and be configured to along the through-flow gap of the longitudinal extension direction orientation of interval keeper (68).
36., according to the preamble of claim 1, particularly according to the described backflow choking device of one of claim 1 to 22 (100), it is characterized in that: the jet nozzle female part (50) of described sleeve-shaped connects into an embedded components (52) via at least one meeting stile (51) and described capture members; Described embedded components (52) can embed in hood-shaped housing (53), and this housing has the embedding opening (54) of a vertical side for this reason; Described embedded components (52) can so removably be fixed in hood-shaped housing (53), makes and embeds opening (54) formation flow export; And the jet nozzle female part (50) of described sleeve-shaped deviates from it can be by lid (55) sealing on jet nozzle (4) distolateral, and this lid is with connecting tubes (56) or such import that can be connected with inlet port.
37. backflow choking device according to claim 36, it is characterized in that: at described housing (53) upper one-body molded have at least one interval keeper, preferred a plurality of intervals keeper, described interval keeper guarantees the minimum range with respect to the embedding opening (54) that is made as flow export (8).
38. according to the described backflow choking device of one of the claims, it is characterized in that: described cylinder female part (2) or described housing (53) are outside the inherent flow export in zone (8) in jet highway section (6) freely on cylinder female part (2) or side face housing (53), preferably have at least one fill opening (37,63) in a side that deviates from flow export (8).
39., according to the described backflow choking device of claim 38, it is characterized in that: described at least one fill opening (37,63) is located at the inflation gap in a wall female part (2) or housing (53) with being configured to labyrinth type.
40., according to the described backflow choking device of claim 38 or 39, it is characterized in that: described housing (53) is deviating from the vertical side that embeds opening (54) with described at least one fill opening (63).
41., according to the described backflow choking device of one of claim 38 to 40, it is characterized in that: described housing (53) have two slot-shaped, along the fill opening (63) of housing portrait orientation; And the meeting stile (51) that is arranged in the embedded components (54) of described housing (53) reaches by the imaginary plane of each slot-shaped fill opening (63).
42., according to the described backflow choking device of one of claim 1 to 41, it is characterized in that: described injection or partition wall (23) fill up a clean cross section inner space or the enclosure interior space basically.
43., according to the described backflow choking device of one of claim 1 to 42, it is characterized in that: in described capture members (5) upper one-body molded have connecting tubes (57) or such outlet, so that capture members (5) is connected with outlet opening; And in capture members (5) with outlet is upper at outer circumferential side, is provided with groove (58), on the housing of housing (53) is distolateral, towards embedding wall opening (59) interlocking that opening (54) opens wide in described groove.
44. according to the described backflow choking device of one of claim 1 to 43, it is characterized in that: at described jet nozzle female part (50), above in the outside, form integratedly guide wall (60), each meeting stile (51) acts on this guide wall in these guide wall both sides; In the enclosure interior space of described housing (53), stretch out forked support (61); And described guide wall (60) abuts in the support (61) be arranged between each meeting stile (51) in this wise in use location upper, makes the fork (61) of support arrange in both sides and interspersed opening (36) spaced apartly.
45., according to the described backflow choking device of one of claim 1 to 44, it is characterized in that: described injection or partition wall (23) are made independent member and are fixed on described at least one meeting stile (51) afterwards.
46., according to the described backflow choking device of one of claim 1 to 45, it is characterized in that: described injection or partition wall (23) become single type ground one-body molded on described at least one meeting stile (51).
47., according to the described backflow choking device of one of claim 1 to 46, it is characterized in that: the described lid (55) of closed jetting flow nozzle female part (50) in use location inboard abut in the adjacent housing of housing (53) distolateral on; And one-body molded on lid (55) described connecting tubes (56) or such import this be passed in housing on distolateral, towards the maintenance opening (70) that embeds opening (54) and open wide.
48. according to the described backflow choking device of one of claim 1 to 47, it is characterized in that: described maintenance opening (70) or described wall opening (59) are constituting key-hole type aspect its opening profile, make connecting tubes (56,57) removably to be locked in wherein.
49., according to the described backflow choking device of one of claim 1 to 48, it is characterized in that: streamwise is provided with at least one following function element in jet nozzle (4) upstream: flow regulator, back flow stopping device or filter screen (20).
50. according to the described backflow choking device of one of claim 1 to 49, it is characterized in that: at least one following function element: flow regulator, back flow stopping device or filter screen---be the ingredient that embeds cylinder core (19); And embedding cylinder core (19) preferably can be from distolateral unlimited jet nozzle female part (50) embeds this jet nozzle female part.
51. according to the described backflow choking device of one of claim 1 to 50, it is characterized in that: described at least one back flow stopping device and/or described flow regulator and between described jet nozzle (4), be provided with on the other hand at least one filter screen (20) or at least one grid on the one hand, with so that pressure condition on the clean cross section of jet nozzle female part (50) evenly.
52., according to the described backflow choking device of one of claim 1 to 51, it is characterized in that: the preferred infundibulate of described diversion division ground is towards the nozzle opening convergent of jet nozzle (4).
53., according to the described backflow choking device of one of claim 1 to 52, it is characterized in that: described jet nozzle (4) stretches out on regional inner connecting tube shape or the warty ground of nozzle opening (21).
54., according to the described backflow choking device of one of claim 1 to 53, it is characterized in that: described capture members (5) is stretched out at the regional inner connecting tube shape of capturing opening or warty ground.
55. according to the described backflow choking device of one of claim 1 to 54, it is characterized in that: described backflow choking device (1,100) is connected to upstream, health use location in inflow side; And described health use location is the flow inlet of the bottom side of sitting bath or lavatory basin or bathtub preferably.
CN2013100804111A 2012-03-13 2013-03-13 Reflux flow barrier for bathtub Pending CN103410206A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201610882912.5A CN106436853B (en) 2012-03-13 2013-03-13 Reflux choking device for sitting bath
CN201610882148.1A CN106368280B (en) 2012-03-13 2013-03-13 Reflux choking device for sitting bath

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE202012002585U DE202012002585U1 (en) 2012-03-13 2012-03-13 Backflow barrier for a shower
DE102012005004.6A DE102012005004B4 (en) 2012-03-13 2012-03-13 Backflow barrier for an under shower
DE102012005004.6 2012-03-13
DE202012002585.6 2012-03-13
DE202013002055U DE202013002055U1 (en) 2012-03-13 2013-03-05 Backflow barrier for a shower
DE202013002055.5 2013-03-05

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CN201610882912.5A Division CN106436853B (en) 2012-03-13 2013-03-13 Reflux choking device for sitting bath
CN201610882148.1A Division CN106368280B (en) 2012-03-13 2013-03-13 Reflux choking device for sitting bath

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CN103410206A true CN103410206A (en) 2013-11-27

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CN201610882148.1A Active CN106368280B (en) 2012-03-13 2013-03-13 Reflux choking device for sitting bath
CN2013100804111A Pending CN103410206A (en) 2012-03-13 2013-03-13 Reflux flow barrier for bathtub
CN201320597807.9U Expired - Lifetime CN203546865U (en) 2012-03-13 2013-03-13 Backflow cut-off device used for bidet
CN201610882912.5A Active CN106436853B (en) 2012-03-13 2013-03-13 Reflux choking device for sitting bath
CN2013201144504U Expired - Lifetime CN203361295U (en) 2012-03-13 2013-03-13 Back-flower stopper for hip bathing device

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CN201610882148.1A Active CN106368280B (en) 2012-03-13 2013-03-13 Reflux choking device for sitting bath

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CN201320597807.9U Expired - Lifetime CN203546865U (en) 2012-03-13 2013-03-13 Backflow cut-off device used for bidet
CN201610882912.5A Active CN106436853B (en) 2012-03-13 2013-03-13 Reflux choking device for sitting bath
CN2013201144504U Expired - Lifetime CN203361295U (en) 2012-03-13 2013-03-13 Back-flower stopper for hip bathing device

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CN106368280B (en) * 2012-03-13 2019-04-05 纽珀有限公司 Reflux choking device for sitting bath
WO2023167653A1 (en) * 2022-03-02 2023-09-07 Eczacibasi Yapi Gerecleri Sanayi Ve Ticaret Anonim Sirketi Flushing system developed for urinals

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US2071004A (en) * 1936-03-23 1937-02-16 William C Shanley Vacuum breaker for flush valve devices
GB1166040A (en) * 1965-12-22 1969-10-01 Zanussi A Spa Industrie Liquid Pollution Preventing Devices
DE1784274A1 (en) * 1968-07-24 1972-06-08 Licentia Gmbh Back suction protection device, especially for washing machines and dishwashers
EP0596893B1 (en) * 1991-07-18 1998-07-22 Hydro Systems Company Chemical eductor with integral elongated air gap
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CN106436853A (en) 2017-02-22
CN106368280B (en) 2019-04-05
CN106436853B (en) 2019-07-19
CN203546865U (en) 2014-04-16
CN203361295U (en) 2013-12-25
CN106368280A (en) 2017-02-01

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