CN106436853A - Backflow barrier for bathtub - Google Patents

Backflow barrier for bathtub Download PDF

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Publication number
CN106436853A
CN106436853A CN201610882912.5A CN201610882912A CN106436853A CN 106436853 A CN106436853 A CN 106436853A CN 201610882912 A CN201610882912 A CN 201610882912A CN 106436853 A CN106436853 A CN 106436853A
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China
Prior art keywords
opening
backflow
jet nozzle
section
jet
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Granted
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CN201610882912.5A
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Chinese (zh)
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CN106436853B (en
Inventor
M·豪特
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Neoperl GmbH
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Neoperl GmbH
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Priority claimed from DE102012005004.6A external-priority patent/DE102012005004B4/en
Priority claimed from DE202012002585U external-priority patent/DE202012002585U1/en
Application filed by Neoperl GmbH filed Critical Neoperl GmbH
Publication of CN106436853A publication Critical patent/CN106436853A/en
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Publication of CN106436853B publication Critical patent/CN106436853B/en
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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 backflow barrier (1) which has a jet nozzle (4) which can be connected to an inlet (3) and a capturing part (5) which catches the liquid jet coming from the jet nozzle via a free beam path (6), and or can be connected to an outlet (7); the capturing part has an capturing opening (28) which has a hollow cylindrical opening cross-section at least in its inflow-side section (25) and subsequently widens in the direction towards the outlet (7) behind the hollow cylindrical section. The capturing part is provided with at least one conical section or a section which widens in an arc-shaped manner at least on the outflow side of the hollow cylindrical section and is connected to at least two sections (26, 27), wherein the inflow-side section (26) of the at least two sections has a smaller widening compared to the subsequent partial section (27).

Description

Backflow choking device for sitting bath
The application is based on Application No. 201310080411.1, and the applying date is on 03 13rd, 2013, invention entitled The divisional application that the Chinese patent application of " for the backflow choking device of sitting bath " proposes.
Technical field
The choking device the present invention relates to one kind flows back, this backflow choking device has the jet nozzle being connected with inlet port simultaneously And there are capture members, this capture members by capturing via the liquid jet that free jet section comes from jet nozzle and can be somebody's turn to do Capture members can be connected with outlet, and includes being arranged on flow export below free jet section, and this flow export can be by The liquid portion amount not being captured part capture derives.
Background technology
Sitting bath (Unterdusche) in toilet is with the water running from common supply network.Also supply to protect Sitting bath, the common supply network being integrated in toilet prevents pathogen intrusion, and the backflow choking device persistently working is must Need.If the injection nozzle of sitting bath is in the basin fringe region of toilet basin, must take into：The nozzle of this injection nozzle Opening is polluted by sewage or excreta composition.Because in the case of being directly connected to water supply installation there is a risk that, i.e. Perhaps pathogen may thus invade in drinking water supply net via stop valve, so national standard and European standard and confession The obligation regulation of waters corporation, when toilet also equipment sitting bath in toilet seat (WC-Sitz) afterwards if necessary, logical Carry out so-called being indirectly connected between normal supply network and these toilets.
It is also known that, bathtub inflow entrance and bathtub flow export are co-located in a basin opening of basin bottom part side.Because bath Basin inflow entrance thus be also disposed at below water surface, so bath water can no splash water ground and low noise ground flow into bathtub In.But comprise following danger because being pressed onto bath water on the water and basin opening of inflow, having been positioned in bathtub, i.e. Contaminated bath water or using water flow into water supply network in, so also necessarily must assure that effective inflow entrance in this application example Safety and backflow cut-off.
A kind of backflow choking device starting described type known to patent document CH 444 076.This known backflow cut-off Utensil has housing, is provided with jet nozzle in this housing.In order to be able to jet nozzle is connected to common drinking water supply on the net, Jet nozzle can be connected with housing inlet port.Also be provided with capture members in the housing, this capture members can from jet nozzle via The liquid jet capture that free jet section comes.In order to be able to by spray from the water being again captured at capture members to sitting bath Penetrate nozzle guide, capture members can be connected with casing discharge port in the housing.In penetrating between jet nozzle and capture members It is provided with housing flow export, this housing flow export can will not be captured the liquid portion amount of part capture in housing below flowpath segment Portion derives.
In the backflow choking device that these are also referred to as " the free water outlet piece with injector " in a standard, from supply network The pressure energy of the water flowing into is converted into kinetic energy, so that by water jet in short free jet section in the region of jet nozzle Upper it is connected with air and so that then in the region of the capture members in also referred to as diffuser by the kinetic energy of water jet again extremely It is least partially converted into the pressure energy for example sitting bath being cleaned needed for jet.In order to be able to not have large energy loss ground real Now pressure energy is converted into kinetic energy and then also process in turn, and to produce all in the region of free jet section Even and quiet water jet is it is necessary to make jet nozzle and capture members match each other and be matched with the specific of corresponding supply network Situation.Although shortcoming be it is known that backflow choking device be present in determine supply network in situation in terms of be optimize, this time Stream choking device may not ensure the function of optimizing under conditions of unlike this.Here must effectively ensure that all the time, grid Not by sewage pollution.
Content of the invention
When the other misguided jet of the capture opening of capture members is in incidence may in this wise splash so that contaminated little Drop is by mistake also got rid of in the region returning to jet nozzle.Therefore there is also such task, i.e. create a kind of beginning described The backflow choking device of type, guarantees in this backflow choking device, in the other misguided jet of the capture opening of capture members not so Ground splash is so that contaminated droplet may by mistake also be got rid of in the region return to jet nozzle and be polluted this region.
In order to solve this task, there is a kind of invention suggestion regulation of independent protective meaning：On described free jet road Duan Zhong and jet nozzle and capture members are provided with least one injection or partition wall, this injection or partition wall spaced apartly There are transmissive apertures, this transmissive apertures has bigger clear opening cross section compared with the jet cross section of liquid jet.If Jet is by mistake misled into by the capture opening of capture members, then this misguided stream portion at least to injection or can separate Wall splash, but this injection or partition wall protect the jet nozzle region being located at behind effectively.Reliably arrange in such a way Except unintentionally pollution in jet nozzle region for the droplet due to getting rid of back.Injection or partition wall do not have make from jet spray The function of the liquid jet boundling (b ü ndeln) of mouth, the transmissive apertures being therefore arranged in injection or partition wall should have and liquid Somewhat larger clear opening cross section is compared in the jet cross section of body jet.
Preferably a kind of following form of implementation of here, in this form of implementation, the clear opening cross section of transmissive apertures is such Determine size so that liquid jet is not transmitted opening boundling ground and exactly also contactlessly passes through this transmissive apertures.
In order to spray or separate wall energy will not be captured well part capture little water droplet intercept it is advantageous to injection or Partition wall is spaced apart at least 4 millimeters in side with capture members and in opposite side with jet nozzle.
Because the injection being spaced apart with the nozzle opening of jet nozzle with insufficient distance or partition wall may lead to liquid Body jet is undesirably expanded, it is advantageous to a kind of following form of implementation, in this form of implementation, is located at spaced apartly Described injection between jet nozzle and capture members or partition wall are closer to capture members setting.
Optimization jet nozzle, nozzle opening, capture members and capture is there is also in the backflow choking device starting described type The task of the mating reaction of opening.It is conclusive that the optimization of these parts is coordinated, so as to stop the excessive pressure loss and To avoid the unnecessarily strong injection of liquid jet.Here is particularly also to capture members and its capture structure of opening and several What is relevant to be which kind of capture opening can capture liquid jet well.
It is additional to or is also independent from above-mentioned feature, therefore there is also such task, i.e. create a kind of beginning described The backflow choking device of type, its capture members no can capture liquid jet in large energy and pressure loss ground.
The solution according to the present invention of this task for start described type backflow choking device particular in that, prisoner Obtain part and there is capture opening, the clear opening that this capture opening at least has hollow cylinder in the section of its inflow side is transversal Face.
In order to the kinetic energy by liquid jet transmission on free jet section is turned within capture members again Change required hydraulic pressure on sitting bath into, desirably, after the composition of capture members is the section of hollow cylinder, described prisoner Obtain part to extend towards outlet.
According to the particularly advantageous further improvement project regulation of one kind of the present invention：Capture members are in the section of hollow cylinder Outflow side on there is at least one conically or the partial sector that curvedly extends in terms of net cross section；And connect Preferably at least two partial sector, the partial sector of inflow side in described at least two partial sector and follow-up partial sector Compare and less expand.Surprisedly show, in terms of its net cross section, the capture members of respective design are distinguished by Effectively energy conversion.Here, each several part section on the outflow side of the section being arranged on hollow cylinder of capture opening can With spaced-apart or by the transition each other of soft transition part by the boundary line that can substantially identify.
A kind of geometric match regulation of the optimization of jet nozzle and capture members：Described jet nozzle and described capture members exist Their size aspect is according to the following equation：
Diameter=the Q of the nozzle opening of diameter/jet nozzle of capture opening1
So coordinated with each other, i.e. business Q1For 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 part of the hollow cylinder of described capture members Length l of section1Compared with the open cross-section of capture opening according to the following equation：
Length (the l of the partial sector of the hollow cylinder of capture members1Diameter (the d)=Q of)/capture opening2So coordinate, That is, business Q2Minimum 0.2, it is 10 to the maximum, preferably minimum 1.5, be 2.6 to the maximum.
When particularly on the nozzle opening of capture members formed dirt deposition or knot calcium when, may interfere with jet nozzle with The coordination of the optimization between capture members.When the water droplet evaporation on the nozzle opening staying jet nozzle and original be contained in water When calcium residue stays, such knot calcium is possible.Therefore it is additional to or independent of features described above, there is also creation a kind of Start the task of the backflow choking device of described type, this backflow choking device can run and cut in this backflow in fewer maintenance ground Only particularly reduce the risk of knot calcium in device.
The solution according to the present invention of this task start described type backflow choking device in particular in that, penetrate Flow nozzle is movably directed in backflow choking device and can move to eject position from ready position, in this injection position Put middle jet nozzle and following interspersed openings are penetrated around the nozzle segment of nozzle opening with it, this interspersed opening is located at elastic membrane By renovating closing in piece or in ready position.
This according to it is proposed that construction backflow choking device in, jet nozzle backflow choking device in movably by Guide and can move to eject position from ready position.Jet nozzle in eject position with its around nozzle opening spray Mouth section penetrates a following interspersed opening, and this interspersed opening is located in flexible sheet or by renovating closing in ready position； And jet nozzle is covered so that occurring leading to tying the evaporation of calcium with reducing by flexible sheet or renovate in ready position.
In order to movably guided jet nozzle in backflow choking device, and in order to be able to by as simply square as possible Formula manufactures such backflow choking device, according to a kind of preferred form of implementation regulation of the present invention：It is provided with the jet spray of sleeve-shaped Mouth female part, described jet nozzle is movably directed in this jet nozzle female part；And described jet nozzle is received Part is connected with capture members via at least one meeting stile.
It has been shown that the fringe region around nozzle opening should be configured to cusped edge as far as possible, to make the liquid of not splash Jet flows out from jet nozzle.But during manufacture process there is a risk that, i.e. around the fringe region of nozzle opening The structural scheme of this cusped edge hindered by external action.In order to resist such damage of the fringe region of cusped edge, according to this Bright a kind of preferred form of implementation regulation：With becoming single type on jet nozzle integrally formed with annular lug boss, this is convex The portion of rising surrounds nozzle opening.
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 When, be conducive in jet nozzle produce rich in energy and not splash liquid jet.
Here, a kind of preferred embodiment regulation according to the present invention：The described edge of opening of nozzle opening has and is less than 0.1mm or the rib degree (Kantengrad) more than negative 0.1mm.
When jet nozzle has the net cross section of hollow cylinder in the region of its nozzle opening, liquid is conducive to penetrate Stream optimally flows out from jet nozzle.
In order to resist the knot calcium being determined by evaporation in the nozzle opening regions of jet nozzle, according to one kind of the present invention Preferably improvement project specifies further：Jet nozzle arrange in ready position in the region of nozzle opening in a water bath or Surrounded by water；And renovate or diaphragm be this in ready position preferably in the way of hydraulic seal by interspersed closure of openings.Cause Arranged in ready position in a water bath with its nozzle opening for jet nozzle or surrounded by water, so being reasonably resistant in jet The knot calcium being determined by evaporation on the nozzle opening of nozzle.Only it is located at flexible sheet when jet nozzle penetrates in eject position In or during ready position by renovate closing interspersed opening when, jet nozzle ability from water-bath or from ready position wrap Elapse forward in the water enclosing.
Moving movement between ready position and eject position for the jet nozzle is possible by motor type driving means. But the one kind according to the present invention is particularly simple and thus preferred form of implementation specifies, jet nozzle can be from ready position gram Take reset force to move in eject position.
Replace motor type driving means, according to the preferably further improvement project regulation of one kind of the present invention, jet nozzle Can move under the pressure effect of through-flow liquid.
Here, at least one back-moving spring can be provided with as reset force, particularly when interspersed opening is in the ready position phase Between should by renovating closing when.But the one kind according to the present invention particularly simple and thus preferred form of implementation regulation, be used for Intrinsic elasticity material, being preferably applied on jet nozzle of diaphragm is used as reset force.
In order to be able to enough reset forces are applied to the jet nozzle being movably directed in jet nozzle female part Above it is advantageous to jet nozzle reaches in the diaphragm being configured to cup-shaped, this diaphragm carries on the cup bottom of its cup-shaped and wears Slotting opening；And the circumferential edge deviating from glass bottom of diaphragm is supported on jet nozzle in the way of caoutchouc elasticity.
According to a kind of preferred form of implementation regulation of the present invention, diaphragm will be penetrated in the region of the cup bottom of its cup-shaped The region interior sealing of opening in being arranged on guide wall for the flow nozzle female part；And diaphragm has on the side face of its cup-shaped At least one opening that flows, the inner space of jet nozzle female part is connected by this percolation opening with the inner space of cup-shaped diaphragm Connect.The moving movement of jet nozzle overcomes the intrinsic elasticity of diaphragm to carry out.Because the periphery that diaphragm loads to jet nozzle at it Being necessary for diaphragm deformation in region provides enough free spaces, and because the moving movement of jet nozzle may be by by film The water yield that piece hermetically separates hinders, so must also guarantee all the time sufficiently to compensate during moving movement that jet spray is located at Water in mouth female part.Because diaphragm has at least one opening that flows on the side face of its cup-shaped, this percolation opening will be penetrated The inner space of flow nozzle female part is connected with the inner space of cup-shaped diaphragm, so opposing water section amount, obstruction jet The accumulation of nozzle moving movement.
It is additional to or independent of features described above, for the described backflow choking device of beginning, task lies also in, and creates a kind of Backflow choking device, this backflow choking device can be connected to health in inflow side in a simple manner and use position upstream and this time Stream choking device predetermined conditions the most different can be matched with this wise with low consuming so that this backflow choking device project it Place is the function of optimizing.Here, should be able to easily clean according to the backflow choking device of the present invention and when needed also should be with Low consuming deliming.
The solution according to the present invention of this task for start described type backflow choking device particular in that：If There is embedded cylinder, this embedded cylinder carries described jet nozzle and described capture members；Embedded cylinder keeps in the position of use, making in this wise Jet nozzle is connected with inlet port and capture members are connected with outlet；And embedded cylinder be arranged on jet nozzle and Between capture members and formed or limit and in the cylinder section in free jet section, there is at least one and can be connected with flow export The cylinder opening connecing.
Backflow choking device according to this invention suggestion construction has an embedded cylinder, and this embedded cylinder is had and can be connected with inlet port The jet nozzle connecing and the capture members being connected with outlet.Jet nozzle is connected with common supply network via inlet port Connect, and water is used position or the guiding of comparable discharge outlet via outlet to health by capture members.Here, embedded cylinder is so Ground keeps in the position of use so that jet nozzle is connected with inlet port and capture members are connected with outlet simultaneously.Embedding Enter cylinder and have at least one in cylinder section that is being arranged between jet nozzle and capture members and limiting free jet section The individual cylinder opening being connected with flow export.By the embedded cylinder and change this embedded cylinder of getting loose, according to the present invention, Ke Yi Inflow side is connected to toilet seat, toilet ceramic or for example also the backflow choking device of bathtub upstream can be with low Consuming be matched with predetermined conditions the most different in this wise so that being always ensured that the function of optimization.By the embedded cylinder that gets loose, Backflow choking device according to the present invention can easily clean and when needed also being capable of deliming.
Here, a kind of preferred form of implementation regulation according to the present invention：Embedded cylinder can be embedded in the embedded of a female part In opening and can so preferably detachably fix there so that jet nozzle is connected simultaneously with the inlet port of cylinder female part And capture members are connected with the outlet of cylinder female part；And embedded cylinder being arranged between jet nozzle and capture members and In the cylinder section forming or limiting free jet section, there is the cylinder that at least one can be connected with the flow export of cylinder female part Opening.
This female part can be integrally formed in toilet seat or or be configured to embed in bathtub Housing that is in toilet seat or bathtub and being for example configured to working of plastics.But it is also possible that according to above-mentioned each invention The backflow choking device that one or more of suggestion invention suggestion is constituted is located at the use position upstream being connected on grid, with Just it is reasonably resistant to the germ contamination of the water of storage in grid.Such embodiment particularly can be advantageously utilised in hospital In the range of, there should resist spread of germs.
Here, jet nozzle and matched effect and the capture members that are likewise provided in embedded cylinder can also have no to ask Topic it is constructed so as to so that the backflow choking device according to the present invention is also actually leak free in the region in jet section.
When embedded cylinder can embed and can so preferably detachably be fixed in the embedded opening of a female part so that penetrating When flow nozzle is connected with the inlet port of cylinder female part and capture members are connected with the outlet of cylinder female part, embedded cylinder is permissible Position is correctly inserted into according in the backflow choking device of the present invention in a simple manner.
In order to be able to embedded cylinder be embedded in cylinder female part by embedded opening and in order to be able to will be close with liquid for cylinder female part The mode of envelope is closed it is advantageous to embedded opening can be able to be removably attached to or non-disconnectable by capping closing, embedded cylinder It is connected to unloading in this capping.In order to embed, embedded cylinder can be held by capping and operate.Here desirably, embeds Cylinder also can be fixed at least along direction of rotation with if necessary in capping along the longitudinal direction in terms of its relative position, thus simultaneously true Protect the positioning in cylinder female part.
Preferably detachably protect when capping connects by threaded or slotting rotating connection or such connector/rotation When holding in the region of cylinder female part, be conducive to the shirtsleeve operation of the backflow choking device according to the present invention.
When capping has capping continuation, embedded cylinder with the cylinder end regions pushing sleeve unlimited in side or can be inserted to this envelope When in lid continuation, embedded cylinder or embedded housing can be fixed in capping in a simple manner.
A kind of preferred form of implementation regulation according to the present invention：Embedded cylinder has at least one import, this intake energy warp By between the inner circumferential of cylinder female part and cylinder periphery around and the longitudinal direction along cylinder female part circumferentially seal in both sides Annular chamber be connected with the inlet port of cylinder female part.In this preferred form of implementation, by only embedded cylinder being embedded simultaneously It is fixed on the connection simultaneously realizing jet nozzle in a female part to the inlet port of cylinder female part.Here, via cylinder female part Inlet port flow into water in cylinder female part in the region of annular chamber around washing away embedded cylinder, so that can be from there through described At least one import flows in embedded cylinder and flows in the jet nozzle being located therein.
In order to also make the larger water yield flow in embedded cylinder with pressure as uniformly high as possible, desirably：Embedded cylinder tool There are two imports；And the inlet port of described cylinder female part is circumferentially led on annular chamber at interval with each inlets even.
According to one kind preferably further improvement project regulation of the present invention, each import on side opposite each other and Substantially it is arranged at equal height on cylinder week.
Particularly advantageously：It is provided with least one training wall, preferably multiple sheet between this two imports of embedded cylinder The training wall that ground extends each other；And preferably between two adjacent training walls, jet nozzle is provided with one to pass through to open Mouthful.
In order to be able to when embedded cylinder is embedded in cylinder female part by as simple as possible mode by capture members and cylinder female part Lead to health using position, for example lead to sitting bath or the outlet of bathtub is connected, the one kind according to the present invention is especially simple Single and favourable form of implementation regulation：Capture members terminate at or be passed through cylinder outlet on the cylinder end being arranged on side or In such outlet；Outlet is disposed adjacently with the outlet of cylinder female part；And embedded cylinder has the cylinder end of outlet at it Region in circumferentially seal with respect to the inner circumferential of cylinder female part.
For the described backflow choking device of beginning, another task is, also can also use position in health if necessary afterwards Such backflow choking device is positioned in the region put.
It is additional to or independent of features described above, a kind of solution according to the present invention with independent protective meaning of this task Scheme is, the jet nozzle female part of sleeve-shaped connects into one via at least one meeting stile and described capture members and embeds Element；Embedded components can embed in the housing of cover shape, and this housing has the embedded opening of a longitudinal direction side for this；Embedded components energy So it is removably attached in the housing of cover shape so that embedded opening forms flow export；And the jet nozzle of sleeve-shaped connects Part of receiving deviates from it can be by closed with covers on side of jet nozzle, and this lid is carried the connection being connected with inlet port and connects Pipe or such import.
According to this invention suggestion, the backflow choking device according to the present invention starting described type has the housing of cover shape, embedding Enter element can embed in this housing.Here, the jet nozzle female part of one side sleeve-shaped and another aspect capture members are via extremely A few meeting stile is interconnected to embedded components.In order to be able to by the housing of embedded for embedded components cover shape, housing has one The embedded opening of individual longitudinal direction side.Embedded components can so be removably attached in the housing of cover shape so that embedded opening is formed Flow export.The jet nozzle female part of sleeve-shaped deviates from it can be by closed with covers on side of jet nozzle, this lid band There are the connecting tubes being connected or such import with inlet port.Because the jet nozzle female part of sleeve-shaped can be by lid Closing, so this jet nozzle female part also can so be opened so that being movably directed in jet nozzle female part Jet nozzle can be easily embedded into.Because a work(is formed by the backflow choking device that housing is formed with the insert that can be embedded Can the reliable and especially little unit of structure, so this unit can also be afterwards also in bathtub, toilet ceramic, health Between on toilet seat or also in other health are using the region of position in the middle of be connected in water inlet pipe.
In order to housing has the standard compliant distance between the bearing loaded in flow export and by housing all the time, suitable It is that, integrally formed with least one space maintaining member, preferably multiple space maintaining member on housing, described space maintaining member ensures Minimum range with respect to the embedded opening being set to flow export.
In order to the backflow choking device that be located in cylinder female part or housing is promptly dried after every use, favorably , cylinder female part or housing cylinder female part or on the side face of housing in the region in free jet section in stream Outside outlet, preferably in the side deviating from flow export, there is at least one fill opening.
In order to be limited in a female part or in the inner space of housing pollute and stop splash water flow out, suitable It is that at least one fill opening described is located at a female part or in the wall of housing inflation gap with being configured to labyrinth type.
For above-mentioned housing, a kind of preferred form of implementation regulation, housing is deviating from the longitudinal direction side upper band of embedded opening There is at least one fill opening described.
In order to also be provided with housing backflow choking device in realize fill opening labyrinth type trend it is advantageous that：Housing There are two slot-shaped, fill openings along housing portrait orientation；And the meeting stile of the embedded components being located in housing Reach by the imaginary plane of each slot-shaped fill opening.
In order to protect according to the present invention backflow choking device avoid in the region of its jet nozzle such contaminated Drop, this drop when liquid jet incides in capture members by mistake splash it is advantageous to injection or partition wall substantially fill out Full cylinder inner space or enclosure interior space net cross section.
In order to be able to by the backflow choking device according to the present invention in a simple manner with shower nozzle or such use position It is connected and in order to guarantee to be located at according to determining that the position of each part in the backflow choking device of the present invention is suitable for simultaneously Position it is advantageous that：Integrally formed with connecting tubes or such outlet in capture members, capture members are connected with outlet Connect；And it is provided with groove in outer circumferential side in capture members and outlet, on the housing side of housing, towards embedded opening open Wall opening be scarfed in described groove.
In order to ensure each part to each other, for by the present invention flow back choking device the conclusive position of function fit Close positioning it is advantageous that：In outside integrally formed with guide wall on jet nozzle female part, in this guide wall both sides each one Individual meeting stile acts in this guide wall；Forked support is stretched out in the enclosure interior space of housing；And guide wall exists Using abutting in this wise in position on the support being arranged between each meeting stile so that the fork of support is left with interspersed in both sides Mouth is arranged spaced apartly.
Injection or partition wall can be made single component and then can be fixed at least one connection described afterwards On lath.But preferably a kind of following forms of implementation, in this form of implementation, injection or partition wall are integrally formed with becoming single type On at least one meeting stile described.Such form of implementation is conducive to simply manufacturing according to the present invention with few part Backflow choking device.
When the described lid of closing jet nozzle female part abuts in the adjacent shell of housing in the position of use in inner side On body end side and be integrally formed the described connecting tubes on lid or such import here be passed through on housing side, During the holding opening of the embedded opening open of direction, be conducive to firm holding in enclosure interior space for the backflow choking device and return The positioning that stream choking device position in the housing is suitable for.
In order to be able to can be easily disassembled by embedded components but still be reliably enough fixed in enclosure interior space, favorably , keep opening or wall opening at least to have retraction portion in side along direction of insertion, can be removably by this retraction portion Locking connecting tubes.If keeping opening or wall opening to have such retraction portion, opening wheel in the both sides of its opening contours Exterior feature substantially has the profile of the keyhole for tooth key.
According to one kind of the present invention particularly advantageous further improvement project regulation, at least one import described and described It is provided with least one following function element " flow regulator, back flow stopping device or filter screen " between jet nozzle.In order to Independently produce the water jet of optimization in the pressure condition of the fluctuation in supply network in jet nozzle it is advantageous to enter in cylinder It is provided with flow regulator, the water yield that time per unit is flow through by this flow regulator between mouth or case entrances and jet nozzle Adjust and be restricted in the value for jet nozzle and capture piece optimization.In order to may be also contaminated with additional reliability exclusion Water be back in supply network it is advantageous between at least one import described or case entrances and described jet nozzle It is provided with least one back flow stopping device.
A kind of form of implementation regulation that can particularly simply operate according to the present invention：At least one following function element " flow regulator, back flow stopping device or filter screen " is the part of embedded tube filler；And embedded tube filler preferably can be from side Unlimited jet nozzle female part embeds in this jet nozzle female part.Here, embedded tube filler can also include two if necessary Setting one after another but the back flow stopping device in its function aspects independence.
Particularly advantageously, one back flow stopping device or the plurality of back flow stopping device and/or flow on the one hand It is provided with least one filter screen or at least one grid, in order to make pressure feelings between adjuster and on the other hand described jet nozzle Condition is uniform on the net cross section in jet nozzle region.This grid or filter screen be such fine mesh so that it make such In barometric gradient present on current cross section uniformly, this barometric gradient for example may be by back flow stopping device or flow regulator In internal structure cause.
The pressure of the liquid in order to be able to automatically supply net future changes into kinetic energy as high as possible in the region of jet nozzle And specify, described diversion division preferred infundibulate ground is tapered towards the nozzle opening of jet nozzle.
Open to resist liquid jet, desirably, jet nozzle is in the region inner connecting tube shape of nozzle opening or warty Ground stretches out.If the nozzle opening adapter shape of jet nozzle or warty ground stretch out, the injection water droplet thus simultaneously stoping outflow can Can cross and interference jet.Here, the jet nozzle of adapter shape or warty can also be rollback and the groove by cincture or Concavely formed portion around.
In order to capture members can actually No leakage by the liquid jet coming via jet section capture it is advantageous to The section around capture opening of capture members also stretches out to adapter shape or warty.By this adapter shape on capture opening periphery Or the make that warty is stretched out, also avoid the injection water droplet flowing out can cross and interference jet here.
For the backflow choking device preferred application example regulation according at least one of foregoing invention invention construction：Return Stream choking device is connected to health in inflow side and uses position upstream；And described health use position be preferably sitting bath or The flow inlet of the bottom side of lavatory basin or bathtub.But the backflow choking device according to the present invention can also for example be connected to and be located at doctor Use position upstream in institute, reliably to stop the pollution to pipeline water due to bacterium.
Also drawn with reference to following Description of Drawings by claims according to further improvement of the present invention scheme.
Brief description
Below by the preferred embodiment present invention also to be more fully described.
In figure：
Fig. 1 illustrates the sectional view of a backflow choking device carrying a cylinder female part, and an embedded cylinder is embedded in this In cylinder female part, this embedded cylinder carries a jet nozzle and capture members, and the capture of this capture members is from jet nozzle via one The jet that individual free jet section comes,
Fig. 2 illustrates the side 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 backflow choking device in Fig. 1 to 3,
Fig. 5 illustrate one constructing and cut where like with the backflow shown in longitudinal section comparablely with Fig. 1 to 4 The only view of device, in this backflow choking device, the jet nozzle being located on embedded cylinder and capture members are configured to single component,
Fig. 6 illustrates the side 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 backflow choking device in Fig. 5 and 7,
Fig. 9 illustrates the longitudinal section of a backflow choking device, in this backflow choking device, by a tubular connector Replace embedded cylinder, wherein, backflow choking device depicted herein can be stoped back by an integrated back flow stopping device if necessary Stream,
Figure 10 illustrates the side view of the backflow choking device in Fig. 9,
Figure 11 illustrates the exploded view of the chief component of backflow choking device in Fig. 9 and 10,
Figure 12 illustrates the perspective of the chief component of a jet nozzle for the backflow choking device according to Fig. 1 to 8 Figure,
Figure 13 illustrates the longitudinal section of the jet nozzle in Figure 12, and wherein, jet nozzle sprays in the jet of a sleeve-shaped So movably be directed in mouth female part so that this jet nozzle with the nozzle opening that stretched out with it energy in eject position Enough penetrate the interspersed opening of a diaphragm, wherein, jet nozzle has been withdrawn into the jet nozzle female part of sleeve-shaped at it here In ready position shown in,
Figure 14 illustrates, with the vertical view on the diaphragm that will be penetrated by jet nozzle, the jet nozzle being in ready position,
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 in Figure 12 to 15 jet nozzle, on the jet opening of the interspersed opening stretching out in diaphragm just View,
Figure 17 illustrates the schematic longitudinal section in its capture members region for the choking device that flows back,
Figure 18 illustrates a backflow choking device according to Fig. 1 to 17 construction, and this backflow choking device connects in inflow side here In the flow inlet upstream of the basin bottom side of a bathtub,
Figure 19 illustrates a backflow choking device, is connected to one and also can be assemblied in if necessary afterwards in the middle of this backflow choking device The water of the sitting bath on one toilet seat or a toilet ceramic enters the mouth,
Figure 20 illustrates the water passage schematically showing of the sitting bath shown in Figure 19, and this sitting bath has one and is referred to as The handheld shower nozzle of " gondola water faucet shower head (Shattaf-Shower) ", wherein, enters the mouth in water and can be seen that middle connection Backflow choking device,
Figure 21 illustrates the longitudinal section of another form of implementation of a backflow choking device, wherein, the backflow shown in Figure 21 Choking device is similarly configured with the backflow choking device shown in Fig. 1 to 18,
Figure 22 illustrates the detail view of the perspective of backflow choking device in Figure 21,
Figure 23 illustrates backflow choking device, the top view on the flow export of this backflow choking device in Figure 21 and 22,
Figure 24 illustrates the side view of the backflow choking device shown in Figure 21 and 23,
Figure 25 illustrates backflow choking device, the top view on the upside deviating from flow export in Figure 21 to 24,
Figure 26 illustrates the longitudinal section of the backflow choking device where like vertical profile in Figure 21 to 25, wherein, in this backflow It is provided with a jet nozzle overcoming reset force to be movably directed in choking device, here should shown in two shift positions Jet nozzle,
Figure 27 illustrates that the backflow choking device in Figure 21 to 26 is in the jet spray being movably directed of backflow choking device View in each shift position being compared of mouth,
Figure 28 illustrates the longitudinal section of the jet nozzle of backflow choking device shown in Figure 21 to 27,
Figure 29 illustrates injection nozzle the regarding in the region of its nozzle opening of the backflow choking device shown in Figure 21 to 27 Figure, and
Figure 30 illustrates jet nozzle, the top view on nozzle opening in Figure 28 and 29.
Specific embodiment
In Fig. 1 to 30, the choking device 1,100 that flows back is illustrated with different embodiments, this backflow choking device can flow into Side is connected to the bathtub inflow entrance upstream that health uses position, such as sitting bath or bathtub.This backflow choking device 1,100 should be reliable Ground stops contaminated water from being back in drinking water supply net.
Backflow choking device 1 shown in Fig. 1 to 20 has a cylinder female part 2, and this female part is for example desirably integrated into In the space part of a form fit on toilet seat.As relatively can be seen that by Fig. 1 to 8, in cylinder female part 2 It is provided with a jet nozzle 4 being connected and capture members 5 with cylinder female part 2 a inlet port 3, this capture members can be captured The liquid jet coming via a free jet section 6 from jet nozzle 4.Jet nozzle 4 is via the entrance of cylinder female part 2 Mouth 3 is connected with drinking water supply net, and capture members 5 are not shown further with one via an outlet of cylinder female part 2 Injection nozzle or describe in Figure 19 and 20 with a sitting bath and hand-held that be referred to as " gondola water faucet shower head " wash Bath shower nozzle 45 connects.Be provided with a flow export 8 of a female part 2 below free jet section 6, water as water jet via This free jet section is directed with being exposed to air, and this flow export can be derived from the inside of cylinder female part 2 and is not captured part 5 The liquid portion amount of capture.It is integrally formed on cylinder female part 2, this space maintaining member 68 one-tenth single types of one space maintaining member Can ensure that in flow export 8 and a streamwise positioned at the standard compliant narrow spacing choked water between refluence plane thereafter From.That this space maintaining member 68 is for example configured to sleeve-shaped in terms of cross section and have through-flow in its longitudinal direction side in both sides Opening 69, these through-flow openings are along the Longitudinal extending direction orientation of space maintaining member 68.These are in the longitudinal direction of space maintaining member 68 The through-flow openings 69 being located at both sides on side provide the outward appearance of cage shape to space maintaining member 68.
Backflow choking device 1 shown in Fig. 1 to 8 is equipped with an embedded cylinder 9, and this embedded cylinder carries jet nozzle 4 and prisoner Obtain part 5.This embedded cylinder 9 can be for example embedded in the cylinder female part 2 shown in Fig. 1 by an embedded opening 10 and can be so It is removably attached to wherein so that jet nozzle 4 is connected with the inlet port 3 of cylinder female part 2.Be can be seen that by Fig. 1 and 5, embed Cylinder 9 its be arranged between jet nozzle 4 and capture members 5 and formed or limit free jet section 6 cylinder section in There is the cylinder opening 11 that at least one is connected with the flow export 8 of cylinder female part 2.In embedded cylinder 9 shown here, cylinder opening 11 Directly adjoin each other with the flow export 8 of cylinder female part 2.
Embedded cylinder 9 can be embedded in the inside of a female part 2 by embedded opening 10, and this embedded opening can seal by one Lid 12 closing, embedded cylinder 9 can be removably attached in this capping.Capping 12 connects removable here by a connector/rotation It is maintained at unloading on a female part 2, wherein, connector/rotation connection can for example be configured to insert rotating connection or such bayonet socket Connect.
Capping 12 has a capping continuation 13, cylinder end regions that embedded cylinder 9 can be adjacent with it, opening wide in side 14 pushing sleeves or be inserted in this capping continuation.
Therefore, even if embedded cylinder 9 also can be by from outside accessible capping 12 appearance all the time under narrow and small situation Change places operation.
Embedded cylinder 9 has at least one import 15, this intake energy via an inner circumferential in cylinder female part 2 and cylinder periphery it Between around and annular chamber 16 that the longitudinal direction along cylinder female part 2 circumferentially seals in both sides and cylinder female part 2 entrance Mouth 3 connection.Embedded cylinder 9 has two imports 15 that are oval and orienting along cylinder circumferential direction here.Cylinder the entering of female part 2 Entrance 3 circumferentially direction and import 15 uniform intervals being arranged on side relative to each other here at identical height turn up the soil logical To in annular chamber 16.
By one side Fig. 1 and 5 and another aspect Fig. 4 and 8 relatively can be seen that, capping continuation 13 is passed through a number of Training wall 17 that is parallel, being arranged with the small spaced and mutual sheet of distance is formed.If embedded cylinder 9 is set with To in capping 12, then the gap being retained between training wall 17 is connected with each other each import 15, thus flow into via import 15 Current bump against in following places and redirect in a longitudinal direction, and described current pass through in adjacent water conservancy diversion at described place It is flowed in an inner space towards the free passage of jet nozzle 4 setting or by opening 18 between wall 17.
Be provided with an embedded tube filler 19 between import 15 and jet nozzle 4, this embedded tube filler can from side open wide Cylinder end regions 14 are embedded in an inner space.Embedded tube filler 19 has at least one back flow stopping device, this back flow stopping device Only allow the current towards jet nozzle 4.Embedded tube filler 19 also has a flow regulator, and this flow regulator can be often single The water yield that the position time is through-flow and pressure independently limit and are adjusted in the value of a determination.
So that, in the backflow choking device 1,100 shown in longitudinal section, jet nozzle 4 is in a sleeve-shaped in Fig. 5 and 21 Movably it is directed in jet nozzle female part 50.This jet nozzle female part 50 is connected via at least one with capture members 5 It is connected with each other lath 51, the preferably two 51 one-tenth single types of meeting stile parallel to the setting of free jet section 6.
In backflow choking device 100 shown in Figure 21 to 27, jet nozzle female part 50 and connected capture members 5 Form embedded components 52, this embedded components can be embedded in the housing 53 of a cover shape.Housing 53 has one for this to be indulged To the embedded opening 54 of side, embedded components 52 can be embedded by this embedded opening.
Embedded components 52 can so be removably attached in housing 53 so that embedded opening 54 forms flow export 8 simultaneously. Jet nozzle female part 50 deviates from it can be closed by a lid 55 on side of jet nozzle 4, and this lid carries one The import being connected with inlet port.This import is configured to connecting tubes 56 here, and this connecting tubes does not show further via one The flexible pipe going out can be connected with inlet port.In order to be always ensured that in the embedded opening 54 as flow export 8 and corresponding housing base Between enough distances, at least one space maintaining member can be integrally formed on housing 53.Preferably one kind is not shown here , form of implementation being provided with multiple space maintaining member, these space maintaining member are more particularly set in housing folding corner region.
Figure 21 and 22 can be seen that, connecting tubes 57 or such outlet are also integrally formed in capture members 5, with Just capture members 5 are for example connected using the outlet of position with leading to via a flexible pipe conduit.Can be seen that in Figure 21 and 22, In capture members 5 with being provided with a groove 58, a shell in housing 53 in outer circumferential side on connecting tubes 57 for export Wall opening 59 on body end side, opening wide towards embedded opening 54 is scarfed in this groove.Because embedded around wall opening 59 Opening is scarfed in groove 58, so guaranteeing that the position of the embedded components 52 being formed by jet nozzle 4 and capture members 5 is suitable for all the time Positioning.
Can be seen that in Figure 21 and 22, a guide wall 60 is integrally formed on jet nozzle female part 50 in outer circumferential side.? The each described meeting stile 51 in this guide wall 60 both sides acts in this guide wall, and this guide wall abuts in the position of use On the support 61 of one fork-shaped, this support stretches out in the enclosure interior space of housing 53.Here, the fork 62 of support 61 is in both sides Arrange, so that the function according to regulation of without prejudice to jet nozzle 4 spaced apartly with the nozzle opening of jet nozzle 4.Cause Abut in the position of use on support 61 for guide wall 60, so also ensuring that embedded components 52 position is compatibly embedded into shell In body 53.Because support 61 is pitched 62 with it and is arranged between each meeting stile 51, also realize embedded components 52 in housing 53 In anti-rotational.
Can find out well in figure 21, the lid 55 closing jet nozzle female part 50 in side exists in the position of use Inner side abuts on the adjacent housing side of housing 53.Here, the connecting tubes 56 being integrally formed on lid 55 run through one Holding opening 70 on the individual side in housing, opening wide towards embedded opening 54.Connection is received to connect in the position of use wherein The holding opening 70 of pipe 56,57 and also wall opening are in its opening contours at least in side, preferably have retraction in both sides Portion 71, connecting tubes 56 or 57 removably can lock by this retraction portion.It is located at the retraction portion in opening contours in both sides 71 give keep opening 70 and also wall opening 59 following opening contours are provided, this opening contours be provided for tooth key Keyhole is comparable.Guarantee reliable holding in housing 53 for the embedded components 52 in this manner.
Be can be seen that by Fig. 1,4,5,8,21,22 and 26, connect, in jet nozzle 4 upstream, the filter screen 20 that a taper is stretched out. Filter screen 20 or grid such fine mesh ground are constituted so that homogenized in different on cross section pressure in current.
The jet nozzle 4 of backflow choking device 1,100 can make the pressure energy of the water from supply network be converted into the dynamic of water jet Energy.Specify for this, diversion division is tapered towards the nozzle opening 21 infundibulate ground of jet nozzle 4.In the region of nozzle opening 21, Jet nozzle 4 is configured to the lug boss 22 of adapter shape or warty, to make the impact to water jet causing by adhesion Little.
In free jet section 6 and capture members 5 and jet nozzle 4 are provided with least one spray spaced apartly Penetrate or partition wall 23, this injection or partition wall have transmissive apertures 24, and this transmissive apertures has the jet with liquid jet Bigger net cross section is compared in cross section.Here, the clear opening cross section of this transmissive apertures 24 so determines size so that liquid Jet is not transmitted opening 24 boundling ground and just also contactlessly passes through this transmissive apertures.For without prejudice to liquid jet, The injection arranging between jet nozzle 4 and capture members 5 or partition wall 23 are closer to capture members 5 and arrange spaced apartly. Here, preferably a kind of form of implementation, in this form of implementation, injection or partition wall 23 are at least spaced apart four millimeters with capture members 5.
Capture members 5 should will be converted into from kinetic energy that is jet nozzle 4 and being captured the water jet that part 5 is captured accordingly Pressure energy, sequentially for for example being arranged using position by injection nozzle, the handheld shower nozzle 45 of sitting bath or another kind of health The cleaning jet going out or water jet need this pressure energy.Be can be seen that by Fig. 1,5,21 and 26, capture members 5 are this in its net cross section The extension of aspect infundibulate ground.Capture members 5 have a capture opening 28, and this capture opening is at least in the section 25 of its inflow side There is the clear opening cross section of hollow cylinder.After the section 25 being configured to hollow cylinder, capture members 5 are towards outlet Extension.On the outflow side of the section 25 of hollow cylinder, capture members 5 have conically or curvedly expand in net cross section Exhibition partial sector 26,27, the section 26 of the inflow side in these partial sector compared with follow-up partial sector 27 less Expansion.
In backflow choking device 1, capture members 5 are passed into the cylinder outlet 30 on a cylinder end 29 being arranged on side In, this outlet is disposed adjacently with the outlet 7 of cylinder female part 2.Embedded cylinder 9 also has the cylinder end of an outlet 30 at it Circumferentially seal with respect to the circumference of cylinder female part 2 in the region in portion 29.
The embedded cylinder 9 of backflow choking device 1 can so embed and be fixed in a female part 2 so that jet nozzle 4 and cylinder The inlet port 3 of female part 2 is connected and capture members 5 are connected with the outlet 7 of cylinder female part 2 simultaneously.Backflow choking device 1 Embedded cylinder 9 is arranged on tool in cylinder section that is between jet nozzle 4 and capture members 5 and limiting free jet section 6 at it There is at least one opening 11, this opening is connected with the flow export 8 of cylinder female part 2.Embedded by getting loose from cylinder female part 2 Cylinder 9 and replace this embedded cylinder 9, backflow choking device 1 can so be matched with predetermined conditions the most different with few consuming, makes Guarantee the function that optimizes all the time, the cylinder female part 2 of described backflow choking device for example can concavely formed to toilet seat, In toilet ceramic or bathtub or as being configured to here can be embedded on toilet seat, making pottery in toilet Housing on ceramic products or in the corresponding receptacle on the basin opening of bathtub.By the embedded cylinder that gets loose from cylinder female part 2 9, also can easily clean backflow choking device 1 and when needed to its deliming.
The differing only in the embodiment shown in 4,5 to 8 and 21 to 27 in Fig. 1 of backflow choking device 1,100, In embodiment shown in Fig. 5 to 8, it is removable that one side jet nozzle 4 and another aspect capture members 5 are respectively configured to an energy It is embedded into the component in embedded cylinder 9 with unloading.By jet nozzle 4 and capture members 5 are configured to single component, be so conducive to Shown in Fig. 5 to 8 backflow choking device 1 modular structure type so that as necessary by replace jet nozzle 4 and/or Capture members 5 also can make embedded cylinder 9 be matched with the corresponding conditionses of the supply network of local presence.
Because in remaining backflow choking device 1,100, form embedded cylinder 9 or embedded components 52 free jets The section in section 6 is only formed by described two meeting stiles 51 orienting along the longitudinal direction, so backflow choking device 1 is embedded The embedded components 52 of cylinder 9 or backflow choking device 100 are configured to unlimited in the region in this free jet section 6.In order to Backflow choking device 1,100 can promptly be dried after every use again, is provided with the region in free jet section 6 At least one fill opening.
In backflow choking device 1, the side of the flow export 8 deviating from a female part 2 of the cylinder female part 2 shown in Fig. 1 to 8 Slot-shaped fill opening 37 is provided with for this on face, 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, this two Fill opening is arranged in the longitudinal direction side deviating from embedded opening 54.Described two slot-shaped fill openings 63 are in parallel to each other simultaneously And with being spaced from each other distance along housing longitudinal direction orientation.Because the meeting stile 51 of the embedded components 52 being located in housing 53 Reach one by the slot-shaped imaginary plane of fill opening 63, so also reaching labyrinth in backflow choking device 100 Air guiding formula, passing through fill opening 63.
Backflow choking device 1,100 depicted herein provides the security of maximum possible, in order to exclude contaminated water backflow To in the region being connected with drinking water supply net.Cut in order to also backflow can be embedded in the place not requiring so high security Only device 1,100 it is possible to, replace the embedded in cylinder female part 2 of backflow choking device 1 with the connector 31 of a sleeve-shaped Cylinder 9, this connector bridges free jet section and must by the outlet 7 of the inlet port 3 of cylinder female part 2 and cylinder female part 2 It is connected in the case that centre connects an embedded tube filler 19 with least one back flow stopping device when wanting.
Be can be seen that to 11 by Fig. 9, the modular frame mode of backflow choking device 1 is easy to a corresponding connector 31 Replace embedded cylinder 9.By Fig. 9 and 11 relatively can be seen that, side end that the connector 31 of sleeve-shaped is also opened wide with it so covers Be attached in the capping continuation 13 of capping 12 so that the inlet opening 32 of side via annular chamber 16 and cylinder female part 2 entrance Mouth 3 is connected.Here, the embedded tube filler 19 being pushed in connector 31 be locked in capping continuation 13 and one be arranged on connection Between annular convex shoulder 33 in the inner circumferential of part 31.
At least illustrate a heteroid backflow choking device 1,100 in Figure 12 to 15 and 21 to 27 has jet spray The subregion of mouth 4.As can be seen that to 15 and 21 to 27 by Figure 12, in this heteroid backflow choking device 1,100, jet Nozzle 4 is movably directed in jet nozzle female part 50 and can be from a ready position shown in Figure 13 and 14 Reset force is overcome to move in an eject position under the pressure effect of through-flow liquid, in this eject position, such as Figure 15 With shown in 16 or 26 or 27, jet nozzle 4 forms nozzle segment that is nozzle opening 21 and being configured to lug boss 22 with it Penetrate an interspersed opening 36 being located in a flexible sheet 35.In embodiment shown in Figure 15 and 16, reset force It is applied on jet nozzle 4 by back-moving spring 34；And in the embodiment shown in Figure 26 and 27, elastomeric material and/or bullet Property the moulding of elastic deflection being formed and be applied to reset element on injection nozzle 4 of diaphragm 35.
Figure 26 and 27 can be seen that, jet nozzle 4 reaches in the diaphragm 35 being configured to cup-shaped here for this, this diaphragm Interspersed opening 36 is carried on the cup bottom of its cup-shaped.Here, diaphragm 35 deviate from the circumferential edge of glass bottom with rubber bullet The mode of property is supported on jet nozzle 4.Figure 26 and 27 can be seen that, diaphragm 35 is in the region of the cup bottom of its cup-shaped Jet nozzle female part 50 is sealed in the region of an opening being located in guide wall 64, and diaphragm 35 is in its cup-shaped Side face on have at least one percolation opening, percolation opening 65 of preferably multiple distance that is spaced from each other, described percolation opening Be configured to slot-shaped and circumferentially direction orientation.These percolation openings 65 are by the inner space 66 of jet nozzle female part 50 It is connected with the inner space 67 of cup-shaped diaphragm 35, thus enabling inside these during jet nozzle 4 moving movement Fluid exchange between space 66,67.In order to resist jet nozzle 4 being determined by evaporation in the region of its nozzle opening 21 Knot calcium and specify, jet nozzle 4 its in Figure 27 left side shown in ready position in surrounded by water or around washing away.
Figure 17 illustrates a kind of backflow choking device according to the present invention in its capture members 5 area with schematic partial longitudinal sectional view View in domain.As seen from Figure 17, capture members 5 its around capture opening 28 section in outer circumferential side adapter shape or warty Ground stretches out.In addition figure 17 illustrates, capture members 5 its capture opening 28 region in have a hollow cylinder or The section of substantially hollow cylinder.Here, favourable can be, length l of this section1Compared with the net interior diameter of capture opening Ratio preferably greater than/be equal to 0.2 to less than/be equal to 10, particularly greater than/be equal to 1.5 to less than/be equal to 2.6.In fig. 17 It can also be seen that, capture members 5 extend to preferred infundibulate after the part of hollow cylinder.Here specifies, capture members are empty at it The heart has at least one section 26,27 along through-flow direction conical expansion on the cylindrical outflow side of section 25, and with sky The section that the cylindrical section of the heart abuts directly against has from 0 to comprising 100 millimeters, preferably from 0 to length l comprising 30 millimeters2. Here, form of implementation preferably depicted herein, in this form of implementation, capture members 5 have at least two and expand along through-flow direction taper The section 26,27 of exhibition, wherein, at least outflow side and preferably stronger at least two sections 26,27 adjacent one another are The section of extension has from 0 to 100 millimeter, preferably from 0 to 30 millimeter of length l3.
In fig. 17 it can also be seen that, capture members 5 are in the region of the section 27 of its stronger conical expansion with respect to capture The longitudinal axis of part have from more than/be equal to 0 to less than/be equal to 45 °, preferably greater than/be equal to 0 to less than/be equal to 18 ° of angle a2.Here, being located at of capture members 5 is between the section 27 of this stronger conical expansion and the section 25 of hollow cylinder, have The partial sector of more Small Taper is with respect to angle a of capture members longitudinal axis1Should be from more than/be equal to 0 to less than/be equal to 45 °, excellent Choosing from more than/be equal to 0 to less than/be equal to 13 °.
Repeat this preferred scope in the structural form of capture members 5 in the following table again：
Design parameter the narrowest Design parameter the widest
l1/d 1.5≤l1/d≤2.6 0.2≤l1/d≤10
l2[mm] 0≤l2≤30 0≤l2≤100
l3[mm] 0≤l3≤30 0≤l3≤100
a1(spending) 0≤a1≤13 0≤a1≤45
a2(spending) 0≤a2≤18 0≤a2≤45
Backflow choking device 1 depicted herein can be connected to bath appliance, particularly arrange to water closet pan in inflow side The sitting bath upstream of device.Additionally, but it is also possible that backflow choking device 1 is connected on the flow inlet of bathtub 38 in inflow side Trip.Be can be seen that by the schematic diagram in Figure 18, in bathtub 38 shown here, bathtub inflow entrance 39 and bathtub flow export 40 are mutual Discretely it is located on the basin bottom part of bathtub 38.But it is also possible that making bathtub inflow entrance 39 and bathtub flow export 40 at one altogether Flock together in same basin opening.Because be also disposed at the bathing in bathtub 38 by this bathtub inflow entrance 39 anyway Below the water surface of water, thus bath water can no splash water ground and low noise enter in bathtub 38.But because pressure Water on the water and bathtub inflow entrance 39 entering also contains such danger, i.e. polluted bath water or flowed into using water To in water supply network, so absolutely essential in application example shown in figure 18 guarantee extremely effective inflow safety.
Water is entered in bathtub 38 and can the tap 41 of manually handle be operated by one, one hot water of this tap collection Inlet port 42 and a cold water inlet port 43 are.After having reached backflow choking device 1 from the water of tap 41, through-flow The enough back flow stopping devices 44, Ran Hou being connected to through a centre between backflow choking device 1 and bathtub inflow entrance 39 of water energy Water in bathtub inflow entrance 39 flow in bathtub 38 in bottom side.
Schematic diagram according to Figure 19 and 20 can be seen that, the backflow choking device 1 according to the present invention can also middle connect To in the water inlet port 49 for example leading to a handheld shower nozzle 45 of a sitting bath schematically showing here, this seat Bath is yet encased in toilet ceramic or in toilet seat if necessary afterwards.
Mistake as already mentioned above, the jet nozzle 4 of the backflow choking device 100 shown in Figure 21 to 27 is in jet nozzle Movably it is directed in female part 50.For this reason, jet nozzle female part 50 deviates from the side of nozzle opening 21 at it being configured to Openable by lid 55.By embedded the opening by lid 55 closing in the position of use of jet nozzle female part 50 Mouthful, jet nozzle 4 can be embedded in the inner space of jet nozzle female part 50.Figure 26 and 27 can be seen that, jet sprays Mouth 4 can act on lower gram in the pressure of through-flow liquid by the ready position shown on the longitudinal axis left side in backflow choking device 100 Take reset force and move in shown eject position on the right of longitudinal axis, in this eject position, jet nozzle 4 forms spray with it The nozzle segment of mouth opening 21 penetrates the interspersed opening 36 being located in flexible sheet 35.Here basically constitute the jet for taper Nozzle 4 has an annular convex shoulder being for example arranged on centre here, and the diaphragm 35 being configured to cover shape is supported on this convex annular On shoulder.Here it is configured to diaphragm 35 that is cup-shaped and being made up of elastomeric material to be shaped so as to so that this diaphragm applies reset force To on the jet nozzle 4 being movably directed.Mobile route in jet nozzle female part 50 for the jet nozzle 4 is on the one hand logical Cross a filter screen 20 connecting in jet nozzle 4 upstream and pass through in the inner circumferential of jet nozzle female part 50 one with another aspect Individual annular convex shoulder 47 limits.
Describe the jet nozzle 4 of the backflow choking device 1 shown in Figure 21 to 27 in Figure 28 to 30.As by Figure 28 to 30 Overview is observed and be can be seen that, jet nozzle 4 has an annular convex shoulder in the region of its nozzle opening 21.For this reason, an encirclement It is integrally formed on jet nozzle 4 22 one-tenth single types of lug boss of the annular of nozzle opening 21.Nozzle around jet nozzle 4 The edge of opening of opening be configured to cusped edge and for this no chamfering or no rounding.The edge of opening of nozzle opening 21 has for this There is the rib degree less than 0.1 millimeter or more than minus 0.1 millimeter.Because nozzle opening and the edge of opening edge flowing around nozzle opening Direction is arranged on before the lug boss 22 of annular, and because the lug boss 22 of annular thus protects enclosing around nozzle opening 21 Around the cusped edge at edge, so avoid the opening to nozzle opening 21 and its cusped edge perhaps occurring when manufacturing injection nozzle 4 The damage at edge.The edge of opening of cusped edge forms an air deflector seamed edge being located at inner circumferential side, and this air deflector seamed edge is conducive to Liquid jet that sharply shape in jet nozzle 4 and not splash.
Reference numerals list
1 (according to Fig. 1 to 20) backflow choking device
2 female parts
3 (cylinder female part 2) inlet port
4 jet nozzles
5 capture members
6 jet sections
7 (cylinder female part 2) outlet
8 flow exports
9 embedded cylinders
10 (cylinder female part 2) embeds opening
11 openings
12 cappings
13 capping continuation
14 end regions
15 imports
16 annular chambers
17 training walls
18 pass through opening
19 embedded tube fillers
20 filter screens
21 nozzle openings
22 (jet nozzle 4) lug boss
23 injections or partition wall
24 (in injection or partition wall) transmissive apertures
25 (hollow cylinder) partial sector
26 (taper is constituted) partial sector
27 (there is more Small Taper) partial sector or transition zone
28 capture openings
29 ends
30 outlets
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 taps
42 hot water inlet port
43 cold water inlet port
44 back flow stopping devices
45 handheld shower nozzle
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 embedded openings
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 space maintaining member
69 through-flow openings
70 holding openings
71 retraction portions
100 (according to Figure 21 to 27) backflow choking device

Claims (4)

1. backflow choking device (1,100), this backflow choking device have the jet nozzle (4) being connected with inlet port (3) and There are capture members (5), this capture members can be captureed via the liquid jet that free jet section (6) comes from jet nozzle (4) Obtain and this capture members with or can be connected with outlet (7,57), described capture members (5) have capture opening (28), this prisoner Obtain the clear opening cross section that opening at least has hollow cylinder in the section of its inflow side (25)；Structure in described capture members After becoming the section (25) of hollow cylinder, described capture members (5) extend towards outlet (7)；It is characterized in that：Described prisoner Obtain part (5) and there is on the outflow side of the section (25) of hollow cylinder at least one conically or in terms of net cross section and be in The partial sector of arc ground extension；And connect at least two partial sector (26,27), in described at least two partial sector The partial sector (26) of inflow side is less expanded compared with follow-up partial sector (27).
2. according to claim 1 backflow choking device it is characterised in that：Described jet nozzle (4) and described capture members (5) in terms of their size according to the following equation：
Diameter=the Q of the nozzle opening (21) of diameter/jet nozzle of capture opening (28)1So coordinated with each other, i.e. business Q1For 1 To 5, preferably 1.0 to 2.0, particularly 1.0 to 1.34.
3. according to claim 1 and 2 backflow choking device it is characterised in that：The hollow cylinder of described capture members (5) The length (l) of partial sector (25) with capture opening (28) open cross-section compared with according to the following equation：
Length (the l of the partial sector (25) of the hollow cylinder of capture members (5)1Diameter (the d)=Q of)/capture opening (28)2As This coordinates, i.e. business Q2Minimum 0.2, it is 10 to the maximum, preferably minimum 1.58, be 2.6 to the maximum.
4. the backflow choking device according to one of claims 1 to 3 it is characterised in that：Described backflow choking device (1,100) exists Inflow side is connected to health and uses position upstream；And described health uses position to be preferably sitting bath or lavatory basin or bath The flow inlet of the bottom side of basin.
CN201610882912.5A 2012-03-13 2013-03-13 Reflux choking device for sitting bath Active CN106436853B (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
DE102012005004.6A DE102012005004B4 (en) 2012-03-13 2012-03-13 Backflow barrier for an under shower
DE202012002585U DE202012002585U1 (en) 2012-03-13 2012-03-13 Backflow barrier for a 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
CN2013100804111A CN103410206A (en) 2012-03-13 2013-03-13 Reflux flow barrier for bathtub

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CN106436853A true CN106436853A (en) 2017-02-22
CN106436853B CN106436853B (en) 2019-07-19

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

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CN2013201144504U Expired - Lifetime CN203361295U (en) 2012-03-13 2013-03-13 Back-flower stopper for hip bathing device
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
CN2013100804111A Pending CN103410206A (en) 2012-03-13 2013-03-13 Reflux flow barrier for bathtub

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CN106436853B (en) 2019-07-19
CN203546865U (en) 2014-04-16
CN106368280B (en) 2019-04-05
CN203361295U (en) 2013-12-25
CN103410206A (en) 2013-11-27
CN106368280A (en) 2017-02-01

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