CN1520497A - Check valve floor drain - Google Patents
Check valve floor drain Download PDFInfo
- Publication number
- CN1520497A CN1520497A CNA018233872A CN01823387A CN1520497A CN 1520497 A CN1520497 A CN 1520497A CN A018233872 A CNA018233872 A CN A018233872A CN 01823387 A CN01823387 A CN 01823387A CN 1520497 A CN1520497 A CN 1520497A
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- China
- Prior art keywords
- safety check
- liquid
- waste pipe
- valve
- draining
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
- E03C1/28—Odour seals
- E03C1/298—Odour seals consisting only of non-return valve
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0407—Floor drains for indoor use
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F2005/0416—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps with an odour seal
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F2005/0416—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps with an odour seal
- E03F2005/0417—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps with an odour seal in the form of a valve
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Check Valves (AREA)
- Sink And Installation For Waste Water (AREA)
- Float Valves (AREA)
- Prevention Of Fouling (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
A method and apparatus for admitting liquid from a draining surface into a drain conduit and for preventing discharge of waste gas from the drain conduit into the atmosphere in response to a higher pressures in the drain conduit than at the draining surface.
Description
Technical field
The present invention relates to be used for building floor, basement, the outside drainage means of laying ground or the like.The invention provides land drainage assembly and safety check, it provides improved drainage performance and backflow has been reduced to minimum, particularly in place that draining takes place brokenly.
Background technique
In the pipe-line equipment industry, all use U-shaped or goose neck shape trap pipe to prevent that sewerage that be harmful to or tedious or pipeline gas are back in the building all the time, allow unwanted water to discharge simultaneously again from floor and other horizontal planes.Such trap pipe comes work by leave a spot of liquid in the bottom of U-shaped trap pipeline section, to play barrier layer for gases.But in many application, particularly in unapproachable place or in the not frequent place of draining, it is imperfect using such drainage means.Liquid can evaporate from trap pipe, makes unpleasant gas can pass through drainage means free-flow; Insect may breed in liquid, and perhaps in some cases, this liquid may harden, thereby in fact blocks or limited current by drainage means.Traditional drainage means like this installs also relatively difficulty and expensive.Except the floor draining was used, for other regional liquid control, every fluid discharge belonged to accidental situation, and these problems all are common.
A solution to these problems is to utilize trap pipe primer (primer), and it is used for guaranteeing that the liquid of minimum flow stays drainage means, works to deposit the gas bend pipe, and gas is accumulated in the drainage means.The trap pipe primer is difficult to usually install and is expensive, and need to safeguard and regular inspection to guarantee its proper functioning.
In the outside of land drainage device, proposed to use safety check.As depicted therein, be beneficial to aspect the drain operation and stopping waste pipe gas and anti-backflow aspect, safety check all is effective.But before this, nobody proposes to place simple and effective safety check in the land drainage device, no matter is independent or that combine or connects with the valve of other types.
Summary of the invention
The invention provides improved land drainage device, it has unprecedented simplicity and reliability.On the one hand, the invention provides the safety check that is used for the land drainage device, this safety check be suitable for being arranged in the land drainage device or blowoff basin in, and this safety check comprises a stopper, be used for and near the draining sealing surface sealing engagement that is positioned at the inlet of described land drainage device, this safety check also comprises and is used to promote stopper and the draining sealing surface enters the device of sealing engagement.Be used to promote stopper and enter this device with the sealing engagement of draining sealing surface, when the liquid such as water enters described drainage means, can be suitable for stopper is separated from sealing surface, thereby allow liquid to discharge by drainage means, promote stopper simultaneously and get back to sealing surface and contact, thereby prevent that gas refluxes after liquid is discharged in described drainage means.Improved drainage means and valve assembly be by simple, economical and use safety check effectively, and redundant deposit gas bend pipe and anti-backflow protection are provided.Redundant multilayer safety check is installed in series, thereby allows unidirectional liquid stream and vacuum in drainage means to eliminate.
On the one hand, the invention provides the draining that a kind of drain assembly is used for drainage surface, for example building and basement floor, the outside surfaces such as ground, swimming pool of laying.The modal application in this aspect of the present invention is that water flows downward under the effect of gravity or other driving forces in the draining in overflow (flooded) zone.Usually, this means fluid discharging substantially vertically under action of gravity.Assembly according to this aspect of the invention comprises: have the blowoff basin of entrance and exit, and outlet is suitable for linking to each other with waste pipe; And be arranged at least one safety check in the blowoff basin.In an optional embodiment, at least two safety check series connection can be provided with and form one group, preferably,, thereby between valve, form cell in series connection substantially in vertical direction.If desired, can use the two or more groups of parallel connection or series connection, or their combination.This time end valve usually the direction by their basic vertical series connection combination and have the suitable construction opening or actuating pressure is used by utilization, can substantially unrestrictedly discharge liquid, and prevent to be back to inlet by cell from the gas of waste pipe by drainage inlet.Preferably, opening that selector valve is fit to and/or suitable actuating pressure make it for example allow the gas stream of air to cross drainage inlet and cell, thereby eliminate in the inner any vacuum that forms of waste pipe.Safety check is supported in removable imperial framework or other structures, thereby this valve can be pulled down from drainage means, so that clean, repair, change or other maintenances.
In yet another aspect, the invention provides a kind of valve assembly that uses with drainage means, be used for the draining of drainage surface.Valve assembly according to this aspect of the invention comprises: preferably dismountable supporting structure, be applicable to be arranged in the blowoff basin that is contained in floor or other the draining faces, and preferably use inserted mode.This supporting structure is used to support single safety check or a plurality of safety check, thereby forms at least one cell between single valve of connecting or valve group, and allows in mode described here by the drainage means draining.
The safety check that uses among the present invention has all kinds.For many application, particularly be scheduled to be convenient under the situation of drainings such as floor at drainage means, preferred use has flexible membrane and is used for the engagement annular seat and selectively comprises flapper valve and spring-loaded or the spring skew formula valve of backing plate to support this diaphragm.Selection is used for the suitable safety check that any given draining is used, and one of ordinary skill in the art is not had hell and high water.
Other preferred embodiments of this safety check of the present invention also comprise the stopper that " flap valve " diaphragm is housed, and this flap valve diaphragm is made by elastic material, for example natural rubber or synthetic rubber, or other polymer.Diaphragm in such embodiments has enough flexibilities, can be crooked under the pressure of the liquid that enters drainage means or other active forces, thereby allow liquid to discharge, and after described liquid is discharged, substantially get back to unbent state, under this state, the sealing engagement of this diaphragm and draining sealing surface is resumed.In this embodiment, just as can be seen, the elasticity of diaphragm plays pushing device, promotes diaphragm and contacts with the sealing surface of drainage means.A this embodiment's of the present invention special advantage is, when liquid appears at drainage means inside, by known hydrostatics and principle of dynamics and known structural mechanics principle, flexible sheet can relatively be easy to generate bending under predetermined water-head pressure effect.That is, can select the geometrical shape of the diaphragm made by any given elastic material, and thereby also selected the hardness of diaphragm, to guarantee that valve can be opened when the water of requirement appears in the drainage means.Can easily understand that as one of ordinary skill in the art, in case through prompting, the diaphragm thickness by selecting suitable homogeneous or have various required non-uniform thickness flexible or flexural property and reach this purpose by thickness being repaired to provide.The flexible another kind of method of control diaphragm is, and is to understand as one of ordinary skill in the art, provides backing plate to flexible sheet, and backing plate works to strengthen or support at least a portion of diaphragm.In this case, with respect to not carrying on the back the diaphragm that supports, there is the each several part of the diaphragm of backing plate support generally will have the rigidity of increase.
In another preferred embodiment of the present invention, safety check is a spring skew formula, therefore, is used to promote stopper and comprises spring with the device that the draining sealing surface contacts.Institute is conspicuous as one of ordinary skill in the art, in this embodiment, in case propose design, then select or match spring with suitable thickness, so that make stopper can leave sealing surface when in drainage means, reaching selected hydraulic head pressure, be exactly a fairly simple problem.
The important advantage that drain valve according to the present invention provides is, they can be used as the one-piece element of new drain assembly, also can have shell separately, thereby they are inserted in the existing discharge structure as upgrading part.Therefore, can build the new drainage means that does not use P shape or U-shaped trap pipe, perhaps existing drainage means with this type of trap pipe also can have advantage described here.Similarly, can change valve obstruction or impaired easily.In a preferred embodiment, by safety check and the arrangement for deflecting with shell is provided, provide the advantage of interchangeability or detachability easily.Such shell all can use under the situation that is with or without seal washer of being used for seal drain etc., and be easy to adaptive, thereby make shell itself that the sealing surface that is engaged by the stopper that drainage means seals by being used for is provided.
Another advantage that drain valve according to the present invention provides is that they are easy to be fitted on the various drainage meanss.For example, they are easy to be arranged in the circular basically cross section, are used for the circular or cylindrical waste pipe of standard, or equally easily are used on rectangle or other the off-gauge cross sections.
The another one advantage that safety check according to the present invention also provides is that they can easily combine with other valves or existing trap pipe installs or use, thereby redundant valve structure and associated advantage are provided.For example, two or more safety check according to the present invention can use together, if thereby valve stop up or functional fault, then another valve can continue to work satisfactorily.Equally, every other advantage and improvement described here for example for valve member provides shell, are convenient to maintenance and replacing thereby can upgrade or pull down valve, could obtain by the embodiment who includes additional valve.
Except safety check and drain assembly described here, equally, should be appreciated that Shuo Ming all are new all should be considered as constituting a part of the present invention with device practicality or parts here, no matter whether specify that they can claim to the right of self at this.
Description of drawings
Fig. 1 is the top schematic view according to a preferred embodiment of drain assembly of the present invention;
Fig. 2 is the schematic sectional view of Fig. 1;
Fig. 3 is the schematic side sectional view according to another preferred embodiment of valve assembly of the present invention;
Fig. 4 is the perspective illustration according to another preferred embodiment of safety check of the present invention;
The schematic sectional view of Fig. 5 for installing among Fig. 4;
The schematic sectional view of Fig. 6 for installing among Fig. 4 shows the situation that diaphragm is opened by liquid when having liquid;
Fig. 7 is selectable preferred according to another of check valve floor drain device of the present invention
Embodiment's schematic sectional view;
Fig. 8 is the schematic part sectional perspective view according to another selectable preferred embodiment of check valve floor drain device of the present invention; And
Fig. 9 is the schematic sectional view according to the another one preferred embodiment of check valve floor drain device of the present invention.
Embodiment
Present participate-reform accompanying drawing, the present invention will be described in the mode of preferred embodiment below by with reference to the accompanying drawings label, wherein, the identical identical parts of label representative.
The invention belongs to a kind of device, be used to make liquid to flow without restriction basically, prevent backflow simultaneously from waste pipe from any draining face.The draining face of in specification and claim, being mentioned, floor, or the like, be meant any surface that needs draining.The surface of draining can be roof, compartment, wash basin, table top, floor, upper surface (on-grade surface) or following laminar surface (below-grade surface).This surface can be on land or aboard ship.
Specially propose the kind of drainage surface, be intended to that the present invention will be described and be not that its specification or claim are construed as limiting.
Fig. 1 illustrates the top schematic view according to a preferred embodiment of drain assembly of the present invention.Fig. 2 illustrates the schematic sectional view of drain assembly among Fig. 1.Drain assembly 100 is installed in the draining face 10, thereby makes above the draining face of appearing at or water or other liquid of its top can freely be discharged by drain assembly, and the gas that exists below of drainage means is maintained at original position simultaneously.Drain assembly 100 comprises blowoff basin 101, and it comprises inlet 102 and outlet 103; Outlet 103 links to each other with waste pipe 110.Check valve assembly 120 is arranged to have two safety check 125 and 126, and they are with the serial fashion setting, thereby forms cell 130 in blowoff basin 101.Because orientation and their structural openings or the actuation pressure of their perpendicular, check valve assembly 120 is applicable to and makes liquid from the discharging of described drainage inlet and described cell, and prevents that the liquid and/or the gas backstreaming that are arranged in described waste pipe and cell from arriving described inlet (shown in Fig. 3 arrow 150).Therefore, drain assembly plays the effect of drain valve and trap pipe simultaneously, has saved trouble and expense that p shape bent pipe for water drainage and water in the prior art is installed, has also saved the necessary and cost of adopting the trap pipe primer.
In a preferred embodiment of the invention, orientation that drain assembly is vertical substantially and selection and use have appropriate actuation pressure or open the valve of pressure, avoided when liquid during by the discharging of this assembly certain amount of fluid be accumulated in the cell 130.
Preferably, selector valve makes their actuating or opens pressure to allow air or other leak of liquid by drain assembly, thereby eliminates the vacuum that may be accumulated in the waste pipe.
Use is more than one safety check, and valve is provided with the series connection form, and make its work independently of one another, this helps to guarantee the drainage means proper functioning, especially externally foreign matter is blocked under the situation between safety check itself and any peripheral structure, and this mode prevents that valve from normally cutting out or cutting out fully.That it can not be escaped in the atmosphere on the drainage means is particularly useful for guaranteeing harmful gas kept being enclosed in for this; And for prevent by drainage means reflux cause overflow also particularly useful.This structure can also prevent that insect from entering the liquid in the drainage means.
A useful especially optional feature according to the preferred embodiment of drain assembly of the present invention is with demountable structure setting or assembling safety check, is beneficial to cleaning, maintenance, replacing or other maintain measures of valve.For example, in the embodiment shown in Fig. 1 and 2, check valve assembly 120 is installed in the framework 140, and framework is placed on the convex shoulder 142 in the blowoff basin.In the embodiment shown, by using optional seal ring 143, help the drainage means proper functioning, the sealing circle is placed between framework 140 and the blowoff basin 101.By encircle 141 or other be suitable for the structure or the mechanism of this purpose, framework 140 can be pulled down from drain assembly.
As mentioned above, the safety check of the present invention's use can be any suitable type.In the embodiment shown in Fig. 1 and 2, use flapper valve 121.Flapper valve 121 comprises flexible valve part 123 and optionally is the backing plate 122 of rigidity substantially.No matter the structure of this flapper valve and working principle have or do not have backing plate, all are known for one of ordinary skill in the art, and can not cause difficulty to the artificer of the system of type described here.
Fig. 3 is the schematic side sectional view according to a preferred embodiment of valve assembly 190 of the present invention.In an illustrated embodiment, each comprises two spring skew valves 128 and 128a first check valve assembly 120 and the second check valve assembly 120a, and spring skew valve comprises valve block 129 and 129a and spring 127 and 127a.Can easily understand that as one of ordinary skill in the art valve 128 and 128a open under the effect of elevated pressures above the drainage means and the lower pressure below the drainage means.Should be noted that valve assembly 190 directly inserts in the blowoff basins 101, they can comprise, for example, and the opening end of waste pipe 103.It shall yet further be noted that cell 130 both can comprise the cell of single annular (or arbitrary shape), also can comprise not one group of a plurality of cell between the safety check on the same group.
Fig. 4 is the perspective illustration according to another preferred embodiment of safety check of the present invention.The schematic sectional view of Fig. 5 and 6 for installing among Fig. 4.Safety check 100 is in the land drainage device 10.Safety check 200 comprises diaphragm 203, be used to make sealing surface 201 sealing engagement, when safety check 1 00 is installed in the land drainage device, diaphragm 203 is positioned near the inlet 14 of drainage means 10, thereby when diaphragm 203 engages hermetically with sealing surface 201, in the outside of blowoff basin 11 or drainage means and be connected between the waste pipe 110 of drainage means and form liquid-tight seal.Therefore, avoided being enclosed in drainage means inside or waste pipe 110 gas inside are overflowed from drainage means.
The most normally, sealing surface 201 is by annular flange flange or be positioned at drainpipe outlet other surperficial formation on every side, or is formed by the part of removable imperial shell, for example is used for the optional shell 210 of safety check 100, and it is used for easy installation or removal.In the embodiment shown in Fig. 1-3, sealing surface 101 is the part of shell 110, and it forms sealing between the wall of diaphragm 203 and drainage means 110 with optional packing ring 112.
In the embodiment shown in Fig. 1-3, flexible membrane 203 is used to engage sealing surface 201.As shown in figs. 1 and 3, diaphragm 203 has enough flexible, thereby when liquid enters blowoff basin 11, crooked under the effect of liquid (pointing out) by arrow 17, thereby and permission fluid discharge, and turn back to its original, unbent state basically, thereby, between diaphragm and draining sealing surface, recover sealing because liquid is discharged.In the preferred embodiment in this aspect of the invention, diaphragm 203 is used under the effect of the predetermined water level differential pressure of described drainage means crooked.This can realize by several different methods, in case those of ordinary skill in the art touches documents herein, they just can expect the major part in these methods.For example, diaphragm 203 can be made into suitable homogeneous thickness, thickness 205 for example shown in Figure 1, or, make different thickness, for example the thickness 206 among Fig. 2 and 3 through finishing according to any variation of wanting according to pressure versus flow speed.The constitutive property of diaphragm is known, and hydrostatic pressure is provided by following formula
Sp=ρ gh is p=pressure wherein, ρ=flow through the proportion of the liquid of valve, and g=acts on the local acceleration that the mass force (body force) on the fluid is produced by gravity or other, and h=water-head (head), shown in 204 among Fig. 5.Therefore, for one of ordinary skill in the art, in case obtained this invention, selecting suitable water-head 204 and design the diaphragm 203 of deflection suitably when this water-head occurs and make liquid can enter pipeline 110, all will be simple question very.
Adjust the deflection of diaphragm 203 under given water-head, perhaps increase or the selectable alternative that influence valve block hardness is a side use backing plate at diaphragm.Under the most common situation, such backing plate will be positioned at the drain-side of diaphragm, as shown in Figure 9, but by may influence the effect of water accumulation on the diaphragm in blowoff basin at diaphragm front placement backing plate.Usually, will be supported to the small part diaphragm, and according to the hardness of diaphragm, this backing plate can support whole diaphragm such as the backing plate of plate among Fig. 9 107.
In the selectable preferred embodiment in this aspect of the invention, safety check comprises installation rope spring or tensile (cord), is used to promote stopper and enters sealing engagement state with the draining sealing surface.Figure 7 illustrates such embodiment.Safety check 300 comprises stopper 302 and spring 309, and the effect of spring is to make stopper 302 skews, and it is contacted with sealing surface 301 sealings.As shown in Figure 7, be compressed under the effect of spring 309 liquid in drainage means, its motion is pointed out by arrow 17, thereby permission stopper 302 breaks away from sealing surfaces 301, and therefore makes liquid to discharge.For one of ordinary skill in the art, select to have the spring 309 of suitable stiffness so that stopper 302 breaks away from sealing surface when having accumulated the liquid of needed height in drainage means, this is a fairly simple problem.Generally speaking, see, under some environment, compare, select and manufacturing has that just in time the spring of required hardness may be more difficult with the suitable flexible and flexible flexible membrane that has of making type described here.
Safety check according to the present invention has optional enclosure, the shell among the figure 110 or 210 for example, and the advantage of doing like this is that this shell can have convenient means, is beneficial in the land drainage device and mounts and dismounts safety check.For example, the ring 111 among Fig. 4-6 allows safety check is pulled down.Except the annex that is provided for mounting and dismounting, shell 110 or 120 is provide the structural support also, is used for stopper 302 or diaphragm and offset assembly, and is used for draining sealing surface 201 alternatively.In the embodiments of the invention that comprise flexible membrane 203, shell can comprise landscape orientation element 114 or other structures, thereby for diaphragm provides direct connection, such as passing through fastening piece 115, fastening piece 115 comprises rivet, nut and bolt or other machanical fasteners.Selectively, useful binders or adhesion technique or Unitarily molded method connect diaphragm.Similarly, can support diaphragm 203 and spring 309 by landscape orientation element 114 and fastening piece 115 or other any suitable methods.
Should see, can be cross section or top view cross section arbitrarily according to safety check of the present invention.That is, they are easy to use with the drainage means of circular cross-section, as the situation of waste pipe under the same; Perhaps the pipeline with rectangular duct or any other shape uses.Embodiments of the invention are applicable to as Fig. 4 and pipeline that is roughly circular cross-section or water pipe shown in Figure 8.
Use is that they can preferably use separately, also can be used in combination with other valves of arbitrary number according to another advantage of safety check of the present invention.For example, two safety check according to the present invention use of can connecting also can in parallelly be used.Fig. 8 and 9 shows a useful especially combination, wherein, is installed in series according to safety check of the present invention and a series of side opening flapper valve 121.Side opening flapper valve 1 21 is in the side of shell 110, comprises valve port 122 and valve gap 123.Valve gap 123 is hinged along an edge of each valve port 122, and is used for opening under the effect of the liquid that blowoff basin 11 exists, as shown in Figure 5.In a preferred embodiment, valve gap 123 is by making such as the flexible elastic material of sheet rubber (both can be that natural rubber can be a man made rubber also, and comprise any suitable material), and fixes or bonding along the valve port top edge relevant with them.Under the situation of using flexible membrane 203, can upward or on the material be repaired at thickness (even or heterogeneous) valve gap 123, thereby under any design flow body static pressure, be opened.When making the side opening flapper valve is that shell 110 is provided with hypotenuse 124, thereby makes gravity or other mass force help valve gap 123 to close, so that prevent gas from the waste pipe internal reflux, this design is favourable, but and nonessential.
Safety check of the present invention and associated components are advantageously made by any suitable material.For example, diaphragm and stopper can be made by natural or synthetic rubber or other suitable flexible and elastic materials, comprise a variety of polymer, and simultaneously, stopper and shell also can be made of plastics, as PVC or APP, metal or any various other materials.
About above-mentioned system and parts, have been described in detail except as otherwise noted or at this, otherwise the such system and the work of parts and explanation and manufacturing or assembling or use their mode, no matter each other in conjunction with still combining with the miscellaneous part of the present invention that here illustrates, thereby reach disclosed purpose here, should be considered as all is within the ken of those of ordinary skill of the present invention.Therefore, for the content that the technician has known, carry out repetition at this unintentionally.
Industrial applicibility
The present invention is at pipe-line equipment and liquid is controlled or the eliminating field has practicability.Particularly, the present invention is representing the progress that is used for floor and other surperficial drainage systems, and in this drainage system, non-frequent draining must reliably be handled effectively.
According to the rules, the present invention is illustrated with language according to structure characteristic.But, should be appreciated that the present invention is not limited to the concrete property that illustrates, because the method and structure that illustrates has only comprised the preferred form that the present invention is told on.Therefore, claimed its any form or modification that in the legal effective coverage of claims, suitably illustrates of the present invention according to the equivalent principle.
Claims (28)
1. one kind is used for the check valve floor drain assembly towards the waste pipe discharge liquid from draining, and this land drainage assembly comprises:
Blowoff basin, this blowoff basin have and are used for from the drainage inlet of draining face discharge liquid and the outlet that is used to be connected to waste pipe; And
Be arranged on the safety check in the described blowoff basin, described safety check is used to make liquid to flow to waste pipe from drainage inlet without restriction basically, and prevents to be positioned at the gas backstreaming of described waste pipe to described drainage inlet;
Thus, safety check makes liquid discharge and to form sealing to prevent that gas refluxes from waste pipe after liquid is discharged from draining face.
2. one kind is used for the check valve floor drain assembly towards the waste pipe discharge liquid from draining, and this land drainage assembly comprises:
Blowoff basin, this blowoff basin have and are used for from the drainage inlet of draining face discharge liquid and the outlet that is used to be connected to waste pipe; And
Be arranged at least two safety check in the described blowoff basin, described safety check is used to make liquid to flow to waste pipe from drainage inlet, and prevents to be positioned at the gas backstreaming of described waste pipe to described drainage inlet;
In the described safety check two are set to the first series connection safety check and the second series connection safety check with serial fashion, thereby form described first the series connection safety check and described second cell of connecting the safety check the drain flow path of liquid from draining face to waste pipe,
Thereby safety check makes liquid discharge and to make the valve of only connecting back to form redundant sealing to prevent that gas refluxes from waste pipe when one of series connection safety check fails to cut out from draining face.
3. according to the assembly of claim 2, it is characterized in that described at least one safety check is supported in removable imperial structure.
4. according to the assembly of claim 2, it is characterized in that, described safety check one of them comprises flapper valve at least.
5. according to the assembly of claim 1, it is characterized in that, described safety check one of them comprises spring skew valve at least.
6. one kind is used for liquid is discharged into the check valve floor drain assembly of waste pipe from the land drainage device portal, and this check valve assembly comprises:
Be arranged on the supporting structure the draining stream from the land drainage device portal to waste pipe;
Removably or interchangeably be arranged at least two safety check in the described supporting structure, described safety check is used to make liquid to be discharged into waste pipe from described land drainage device portal, and prevents to be arranged in the gas backstreaming of described waste pipe to described drainage inlet; And
The first series connection safety check and the second series connection safety check are arranged in two series connection in the described safety check, thereby draining stream, be formed on from the land drainage device portal to waste pipe described first the series connection safety check and second cell of connecting the safety check, thereby this safety check can be discharged liquid from the floor, and makes the series connection safety check form redundant sealing so that prevent that gas from refluxing from waste pipe under the situation that one of series connection safety check fails to cut out.
7. according to the assembly of claim 6, it is characterized in that also comprise at least two groups series connection safety check, described check valve set is arranged in parallel.
8. according to the assembly of claim 6, it is characterized in that, described safety check one of them comprises flapper valve at least.
9. according to the assembly of claim 6, it is characterized in that, described safety check one of them comprises spring skew valve at least.
10. according to the assembly of claim 2, it is characterized in that also comprise second group of safety check that at least two series connection safety check are formed, described second group of safety check and described first safety check and second safety check are arranged in parallel.
11. a safety check that is used for the land drainage device, this safety check is used to be placed in the land drainage device, and comprises:
Be positioned near the draining sealing surface of inlet of described land drainage device;
The stopper that is used for the described draining sealing surface of sealing engagement, described stopper also are used to provide the main flow of fluid on the described stopper open position on every side.
Be used to promote described stopper and enter device with described draining sealing surface sealing engagement, described device is used for making when liquid enters described drainage means stopper and sealing surface to break away from,
Thus, liquid can be discharged by described land drainage device free-flow ground, and after liquid is discharged, prevent that gas from refluxing from described land drainage device.
12. safety check according to claim 11, it is characterized in that, described stopper is a flexible sheet, thereby it has and enough flexiblely bend to open position and described liquid is discharged under the effect of described liquid, and after discharging, described liquid gets back to roughly unbent state, at this state, recover the sealing engagement of described diaphragm and described draining sealing surface.
13. the safety check according to claim 12 is characterized in that, described flexible sheet is applicable in described drainage means under the effect of predetermined liquid potential difference pressure crooked.
14. the safety check according to claim 13 is characterized in that, described diaphragm comprises the roughly thickness of homogeneous.
15. the safety check according to claim 12 is characterized in that, described diaphragm comprises the roughly thickness of homogeneous.
16. the safety check according to claim 12 is characterized in that, also comprises the backing plate of at least a portion that is used to support described diaphragm.
17. safety check according to claim 11, it is characterized in that, described safety check is a spring skew valve, and is used to promote the described device that described stopper enters sealing engagement and comprises spring, and this spring is used to promote described stopper and enters sealing engagement with described draining sealing surface.
18. the safety check according to claim 17 is characterized in that, during liquid potential difference pressure that the hardness that described spring has is suitable for reaching selected in described drainage means inside described stopper and described sealing surface is broken away from.
19. safety check according to claim 11, it is characterized in that, described valve comprises that shell is to support described stopper and described device, described device is used to promote stopper makes it contact with described draining sealing surface sealing, and described shell is used for removable imperial ground or interchangeably described safety check is placed in the described drainage means.
20. the safety check according to claim 11 is characterized in that, described valve is used for and basic drainage means sealing engagement for circle.
21. the safety check according to claim 11 is characterized in that, described valve is used for and rectangle drainage means sealing engagement.
22. the safety check according to claim 11 is characterized in that, this safety check is connected with any other valve.
23. a side opening land drainage device is used to admit the liquid that enters waste pipe from draining face, and is used for preventing that waste gas from draining into atmosphere from waste pipe when the pressure of waste pipe is higher than the pressure at draining face place, this land drainage device comprises:
Shell, this shell has: have the perisporium of outer surface and internal surface, the perforate that penetrates extension, first portion, second intermediate portion that inwardly attenuates, be configured for the third part that links to each other with waste pipe and be combined in lid in the first portion, be formed for the cell that is connected with waste pipe;
Pass the drain opening of casing wall, it has non-level draining sealing surface on internal surface, and drain opening forms and makes liquid enter the path of waste pipe from outer surface; And
Be arranged on the stopper on the internal surface, it is between non-horizontal drainage sealing surface and waste pipe, being configured for engaging hermetically the draining sealing surface also movably moves in cell, and be configured for making near the liquid the outer surface to enter cell and enter waste pipe, and the pressure in waste pipe prevents that waste gas from discharging into atmosphere from waste pipe when being higher than the pressure at draining face place.
24. land drainage device according to claim 23, it is characterized in that, described stopper comprises feather valve, this feather valve has enough flexible with crooked under the effect of the liquid of discharging and described liquid is discharged, and after described fluid discharge, get back to unbent substantially state, in this state, recover the sealing engagement of described draining sealing surface and feather valve.
25. the land drainage device according to claim 24 is characterized in that, described feather valve is used under the effect of the predetermined water level differential pressure in described drainage means crooked.
26. the land drainage device according to claim 24 is characterized in that described feather valve comprises basic homogeneous thickness.
27. land drainage device according to claim 24, it is characterized in that, described valve comprises the shell that is used to support described stopper and described device, described device is used to promote the sealing of described stopper and draining sealing surface and contact, described shell be used for removable imperiallyly or interchangeably described land drainage device is placed inlet towards waste pipe.
29. any device disclosed herein, equipment, technology or method.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2001/019651 WO2002103233A1 (en) | 2001-06-19 | 2001-06-19 | Check valve floor drain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1520497A true CN1520497A (en) | 2004-08-11 |
Family
ID=21742659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA018233872A Pending CN1520497A (en) | 2001-06-19 | 2001-06-19 | Check valve floor drain |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1397607A4 (en) |
| JP (1) | JP2004536981A (en) |
| CN (1) | CN1520497A (en) |
| CA (1) | CA2450304C (en) |
| MX (1) | MXPA03011845A (en) |
| WO (1) | WO2002103233A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102459972A (en) * | 2009-05-05 | 2012-05-16 | 李奎德布瑞科尔公司 | Drain cartridge having removable valved system |
| CN102812274A (en) * | 2010-03-30 | 2012-12-05 | 恩茨维柯埃皮股份公司 | Valve for integrating into a sanitary appliance |
| CN104947755A (en) * | 2007-12-22 | 2015-09-30 | 麦克尓联合公司 | Plumbing sealing arrangement |
| CN105178408A (en) * | 2009-05-05 | 2015-12-23 | 李奎德布瑞科尔公司 | Drain cartridge having removable valved system |
| CN105839770A (en) * | 2016-05-27 | 2016-08-10 | 宁波市鄞州安琪阀门有限公司 | Odor-resistant floor drain |
| US10458104B2 (en) | 2016-08-01 | 2019-10-29 | Mcalpine & Co. Ltd. | High flow drain control |
| CN111542381A (en) * | 2017-11-30 | 2020-08-14 | 德茹瓦约游泳池有限公司 | Immersion device for swimming pool filtration |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4952222B2 (en) * | 2006-12-05 | 2012-06-13 | トヨタ自動車株式会社 | Vehicle equipped with fuel cell |
| GB2449364B (en) * | 2007-05-17 | 2011-12-07 | Phs Group Plc | Waste outlet assemblies |
| AU2008243269B1 (en) * | 2008-11-18 | 2009-04-23 | Larkin & Shoushani Solutions Pty Ltd | Plumbing Fitting |
| JP2010261891A (en) * | 2009-05-11 | 2010-11-18 | Hitachi-Ge Nuclear Energy Ltd | Floor drainage funnel |
| ITTO20120797A1 (en) * | 2012-09-14 | 2012-12-14 | Ferplast S R L | WASTE FLUID DISCHARGE DEVICE. |
| US10415227B2 (en) | 2017-05-26 | 2019-09-17 | Ips Corporation | Drain valve assembly |
| IT201800007257A1 (en) * | 2018-07-17 | 2018-10-17 | Water dispensing device for a washing appliance. |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2675823A (en) * | 1949-09-07 | 1954-04-20 | Jesse D Langdon | Backflow preventer |
| US2882923A (en) * | 1955-06-28 | 1959-04-21 | Smolensky Michael | Backwater check means for drainage systems |
| GB1229918A (en) * | 1967-11-14 | 1971-04-28 | ||
| US4232704A (en) * | 1978-03-28 | 1980-11-11 | Amtrol Inc. | In line back flow preventer |
| US4180875A (en) * | 1978-05-16 | 1980-01-01 | Wilson Porter C | Urine disposal bypass unit |
| US4594739A (en) * | 1984-05-21 | 1986-06-17 | Watts Brian R | Protective drain |
| FR2637040A1 (en) * | 1988-09-28 | 1990-03-30 | Mathis Jean | Automatic anti-flood/pollution shutter |
| US5584315A (en) * | 1995-12-18 | 1996-12-17 | Ames Company, Inc. | Check valve assembly and method for mounting and installing check valves within a housing |
-
2001
- 2001-06-19 CN CNA018233872A patent/CN1520497A/en active Pending
- 2001-06-19 JP JP2003505513A patent/JP2004536981A/en active Pending
- 2001-06-19 MX MXPA03011845A patent/MXPA03011845A/en not_active Application Discontinuation
- 2001-06-19 EP EP01946567A patent/EP1397607A4/en not_active Withdrawn
- 2001-06-19 WO PCT/US2001/019651 patent/WO2002103233A1/en active Application Filing
- 2001-06-19 CA CA002450304A patent/CA2450304C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947755A (en) * | 2007-12-22 | 2015-09-30 | 麦克尓联合公司 | Plumbing sealing arrangement |
| CN104947755B (en) * | 2007-12-22 | 2017-06-20 | 麦克尓联合公司 | Pipeline sealing device |
| CN102459972A (en) * | 2009-05-05 | 2012-05-16 | 李奎德布瑞科尔公司 | Drain cartridge having removable valved system |
| CN102459972B (en) * | 2009-05-05 | 2015-09-23 | 李奎德布瑞科尔公司 | There is the discharge channel filter core of detachable valve system |
| CN105178408A (en) * | 2009-05-05 | 2015-12-23 | 李奎德布瑞科尔公司 | Drain cartridge having removable valved system |
| CN105178408B (en) * | 2009-05-05 | 2018-04-24 | 李奎德布瑞科尔公司 | Drainage filter core with detachable valve system |
| CN102812274A (en) * | 2010-03-30 | 2012-12-05 | 恩茨维柯埃皮股份公司 | Valve for integrating into a sanitary appliance |
| CN105839770A (en) * | 2016-05-27 | 2016-08-10 | 宁波市鄞州安琪阀门有限公司 | Odor-resistant floor drain |
| CN105839770B (en) * | 2016-05-27 | 2017-10-31 | 宁波市鄞州安琪阀门有限公司 | Odour-proof floor drain |
| US10458104B2 (en) | 2016-08-01 | 2019-10-29 | Mcalpine & Co. Ltd. | High flow drain control |
| CN111542381A (en) * | 2017-11-30 | 2020-08-14 | 德茹瓦约游泳池有限公司 | Immersion device for swimming pool filtration |
| CN111542381B (en) * | 2017-11-30 | 2022-03-22 | 德茹瓦约游泳池有限公司 | Immersion device for swimming pool filtration |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1397607A4 (en) | 2007-10-10 |
| MXPA03011845A (en) | 2005-03-07 |
| WO2002103233A1 (en) | 2002-12-27 |
| CA2450304A1 (en) | 2002-12-27 |
| JP2004536981A (en) | 2004-12-09 |
| CA2450304C (en) | 2008-01-08 |
| EP1397607A1 (en) | 2004-03-17 |
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