CN209397000U - Composite filter element - Google Patents
Composite filter element Download PDFInfo
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- CN209397000U CN209397000U CN201821786754.4U CN201821786754U CN209397000U CN 209397000 U CN209397000 U CN 209397000U CN 201821786754 U CN201821786754 U CN 201821786754U CN 209397000 U CN209397000 U CN 209397000U
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- water
- water route
- lid
- flow passage
- conversion
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Abstract
The utility model discloses a kind of composite filter element, composite filter element includes shell, main filter assemblies, water route conversion lid group and postposition filtration members.The end face of main filter assemblies, which was equipped with drainage, portals and portals with waste water, and main filter assemblies portal and encapsulate in addition to waste water portals except crossing drainage on the end face of both ends.Filtered water stream cavity and inner flow passage are limited in main filter assemblies, the inner end of inner flow passage is connected with filtered water stream cavity and extends along helix, outer flow passage is limited between the different circles of inner flow passage or between two neighboring inner flow passage, at least partially filter membrane of the spaced walls between inner flow passage and outer flow passage.Water route convert lid group in be equipped with waste water honeycomb duct and cross drainage honeycomb duct, waste water honeycomb duct connection waste water portal, the wastewater outlet on shell, cross drainage honeycomb duct be connected to drainage portal, the pure water outlet on shell.Postposition filtration members were located in drainage honeycomb duct.According to the composite filter element of the utility model embodiment, runner is simple, and the high-efficient of purified water, effect are good.
Description
Technical field
The utility model relates to technical field of water purification more particularly to a kind of composite filter elements.
Background technique
In the related art, purifier is used as front filter element, RO filter core etc. of then connecting again using PP cotton, active carbon etc.
The water system connected by multi-stage filter is constituted, the purified treatment of water is carried out.Whole system piping connection is complicated, and installation and replacement are not
Just, polylinker connection, water leakage risk point are more.Importantly, the service life of multi-stage filter is inconsistent, consumer is needed replacing
Filter core there are three to arrive as many as Pyatyi, need frequently buy filter core and need to by profession installation personnel be replaced, consumer's
Experience poor, overall cost height.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model mentions
A kind of composite filter element out, the composite filter element, runner is simple, and the high-efficient of purified water, effect are good, has preferable usage experience
Sense.
According to the composite filter element of the utility model embodiment, comprising: shell, the shell are equipped with original water inlet, pure water
Outlet and wastewater outlet；Main filter assemblies, the main filter assemblies are located in the shell, the main filter assemblies be cylindricality and
End face with circumferential surface and axial ends limits raw water runner, the raw water between the circumferential surface and the inner wall of the shell
Raw water runner described in inlet communication, the end face, which was equipped with drainage, portals and portals with waste water, and the main filter assemblies are at both ends
It is encapsulated in addition to the drainage excessively portals and the waste water portals on the end face, limited drainage in the main filter assemblies
Flowing lumen and at least one inner flow passage, the inner end of each inner flow passage are connected with the filtered water stream cavity, each described
Inner flow passage extends on the direction far from the filtered water stream cavity along helix, between the different circles of the inner flow passage or phase
Outer flow passage is limited between adjacent two inner flow passages, the spaced walls between the inner flow passage and the outer flow passage are at least partially
The outer end of filter membrane, the inner flow passage is packed or passes through the filter membrane and raw water runner interval, the outer flow passage
Outer end be connected to the raw water runner, the waste water portals the inner end setting of the corresponding outer flow passage, and the drainage of crossing portals
The corresponding filtered water stream cavity setting；Lid group is converted in water route, and the water route conversion lid group is located in the shell, the water route
It converts and is equipped with waste water honeycomb duct in lid group and crosses drainage honeycomb duct, the both ends of the waste water honeycomb duct are respectively communicated with the waste water and go out
Hole, the wastewater outlet, it is described cross drainage honeycomb duct both ends be respectively communicated with it is described cross drainage portal, the pure water outlet；Afterwards
Filtration members are set, the postposition filtration members are located at described cross in drainage honeycomb duct.
According to the composite filter element of the utility model embodiment, by the runner design to composite filter element, so that raw water is along axis
To, it is circumferential flow to raw water runner, be evenly arranged on the outside of main filter assemblies.Circumferentially, film surface is washed away during axial flowing
Impurity avoids film surface from blocking.Raw water is flowing radially toward the filtered water stream cavity at main filter assemblies center later, and raw water flows inside
Part water flow can be flowed along helix under the influence of road, outer flow passage, and can pass through filter membrane crosses drainage straight towards filtered water stream
Cavity flowing.The drainage water flow of crossing isolated in raw water close to along normal direction penetrates filter membrane, and it is big to wear film normal pressure, and water flow
Flow path is short.Filtered water stream resistance is significantly reduced, and shortens water and flows through the film time, so that big flux preparation can be realized
The purpose of water purification, improves water purification efficiency.The setting that lid group is converted by main filter assemblies and water route, can be by pure water and waste water
It efficiently separates, and postposition filtration members is further set in water route conversion lid group, increase filtration of demineralized water process, preferably meet people
Need.Postposition filtration members are integrated in composite filter element using water route conversion lid group, rather than postposition filtration members are moved to outer
Portion reconnects pipeline, saves pipeline connection, shortens entire purifying paths, save filter core cost.And composite filter element collection
It is integrally formed, is also to greatly simplifie structure, and user is when needing to dismount, changing core for purification system, operation side
Just, user experience is improved.
In some embodiments of the utility model, the main filter assemblies further include prefilter part, the preposition mistake
The tubular that part is both ends open is filtered, the outside of the inner flow passage and the outer flow passage, the original is arranged in the prefilter part
Water flow passage is annular and the outside for being looped around the prefilter part.
In some embodiments of the utility model, the shell includes bottle body and bottle cap, at least one end of the bottle body
It opens wide, the bottle cap is connected to the end of the bottle body to seal the bottle body, the original water inlet, the pure water outlet and institute
It states wastewater outlet to be located on the bottle cap, the water route conversion lid group is connected between the bottle cap and the main filter assemblies.
In some embodiments of the utility model, only open at one end, the water route conversion lid group are encapsulated in the bottle body
One end of the main filter assemblies is located at the sealing plate in the bottle body, and the sealing plate is encapsulated in the another of the main filter assemblies
One end.
In some embodiments of the utility model, the water route conversion lid group includes: that water route is converted into lid, the water route
It converts and is connected to the waste water inlet and the connection filtering water inlet crossing drainage and portalling that the waste water portals into covering to be equipped with；
Go out to cover in the conversion of water route, go out to cover in the conversion of the water route and convert in the water route into covering, go out in the water route conversion lid and
The water route convert into limited between lid it is described cross drainage honeycomb duct, go out to cover in the conversion of the water route be equipped with connect it is described pure
The inner cover mouth of water out；The outgoing lid of water route conversion, the water route conversion is outgoing to be covered in the conversion of the water route to go out to cover, described
The outer periphery of the outgoing lid of water route conversion and the water route are converted into Gai Xianglian, and outgoing lid, water route conversion are converted in the water route
Interior lid and the water route out are converted into the waste water honeycomb duct is limited between lid, and outgoing lid and the water route are converted in the water route
Go out between lid in conversion and limits the outer cover mouth for connecting the wastewater outlet.
In some embodiments of the utility model, it includes: half cylinder of inlet side, the inlet side half that the water route, which is converted into lid,
For cylinder in the open at one end towards the main filter assemblies, the waste water inlet, the filtering water inlet are located at the inlet side half
On cylinder, in the inner circumferential side into half cylinder of filter, the outgoing lid of water route conversion connects the one end fits of the main filter assemblies
It connects in the peripheral side of half cylinder of inlet side；Half cylinder of outlet, half cylinder of outlet is in one far from the main filter assemblies
End is opened wide, and is spaced apart between half cylinder of outlet and half cylinder of inlet side, and the interior connection of lid out of water route conversion is described out
The peripheral wall of half cylinder is held, half cylinder of outlet is equipped with filtering water outlet；Cylinder connecting leg, the cylinder connecting leg are connected to described
Between half cylinder of half cylinder of inlet side and the outlet, one end of the cylinder connecting leg connects the filtering water inlet, the other end connects
Connect the filtering water outlet.
In some embodiments of the utility model, the bottle cap is equipped with inner connecting tube and extension tube attached, outside the extension tube attached
It covers on the inner connecting tube, goes out lid in the water route conversion and be connected on the inner connecting tube, the outgoing lid connection of water route conversion
In the extension tube attached.
In some embodiments of the utility model, the water route conversion is outgoing to be covered in one far from the main filter assemblies
End forms outer end pipe, and the outer end pipe is socketed in the extension tube attached, is equipped between the outer end pipe and the extension tube attached outer close
Seal；Go out to cover in the water route conversion and form interior end pipe in one end far from the main filter assemblies, the inner end pipe is socketed in
On the inner connecting tube, inner seal ring is equipped between the interior end pipe and the inner connecting tube.
In some embodiments of the utility model, go out in the conversion of the water route lid be welded to connect the water route convert into
It covers, the water route, which converts outgoing lid gluing and is connected to the water route, converts into covering.
In some embodiments of the utility model, the main filtration members include multiple diaphragm bags, multiple diaphragm bags
It rolls to form plural layers component along spiral in the same direction, the bag wall of the diaphragm bag is the filter membrane, the inside of the diaphragm bag
The inner flow passage is constituted, constitutes the outer flow passage between the adjacent diaphragm bag；It has been rolled on the plural layers component preposition
Filter cylinder.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the schematic diagram of the section structure according to one embodiment of the composite filter element of the utility model embodiment；
Fig. 2 is partial structurtes enlarged drawing in Fig. 1；
Fig. 3 is the schematic top plan view according to the composite filter element of the utility model one embodiment；
Fig. 4 is the schematic cross-section according to the main filter assemblies of the utility model one embodiment when both ends set lid,
The middle helical structure by inner flow passage, outer flow passage is drawn as cylinder with omissive representation；
Fig. 5 is the schematic perspective view of the central tube group of the utility model one embodiment；
Fig. 6 is a diaphragm bag of the utility model one embodiment and the top view of central tube, waste water collector cooperation；
Fig. 7 is the schematic top plan view of the main filter assemblies of the utility model one embodiment；
Fig. 8 is the structural schematic diagram converted according to the water route of the utility model one embodiment into lid；
Fig. 9 is the schematic cross-sectional view converted according to the water route of the utility model one embodiment into lid；
Figure 10 is the elevational schematic view converted according to the water route of the utility model one embodiment into lid；
Figure 11 is the schematic top plan view converted according to the water route of the utility model one embodiment into lid；
Figure 12 is the structural schematic diagram according to the main filter assemblies of the utility model another embodiment when end sets lid；
Figure 13 is the structure principle chart according to the main filter assemblies of the utility model another embodiment.
Appended drawing reference:
Composite filter element 100,
It is shell 1, bottle body 11, bottle cap 12, original water inlet 121, pure water outlet 122, wastewater outlet 123, inner connecting tube 124, outer
Adapter tube 125, sealing ring 128,
Raw water runner 101,
Main filter assemblies 2, central tube group 20, circumferential surface 201, end face 202, outer flow passage 203, inner flow passage 204, drainage excessively portal
212, waste water portal 222,
Central tube 21, cross drainage enter hole 211, filtered water stream cavity 210,
Waste water collector 22, waste water enter hole 221, waste water flowing lumen 220,
Diaphragm bag 23, prefilter part 24,
Water route conversion lid group 4, water route convert into lid 41, half cylinder 411 of inlet side, half cylinder 412 of outlet, cylinder connecting leg 413,
Go out lid 42, interior end pipe 421, water route conversion outgoing lid 43, outer end pipe 431, inner cover mouth 44, outer cover mouth 45, waste water in the conversion of water route
Honeycomb duct 46, excessively drainage honeycomb duct 47,
Waste water adapter tube 5, waste water inlet 51, cross drainage adapter tube 6, filter water inlet 61, filtering water outlet 62,
Postposition filtration members 7, sealing plate 9, plug 91.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ",
The orientation or positional relationship of the instructions such as "upper", "lower", "top", "bottom" "inner", "outside", " axial direction ", " radial direction ", " circumferential direction " be based on
Orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
The limitation of the utility model.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Below with reference to Fig. 1-Figure 13 description according to the composite filter element 100 of the utility model embodiment.
As depicted in figs. 1 and 2, according to the composite filter element of the utility model embodiment 100, including shell 1, main filter assemblies
2, water route conversion lid group 4 and postposition filtration members 7, shell 1 are equipped with original water inlet 121, pure water outlet 122 and wastewater outlet 123.
Main filter assemblies 2, water route conversion lid group 4 and postposition filtration members 7 are each provided in shell 1, and shell 1 constitutes composite filter element
100 overall package structure, and have the function of support, protection, positioning, installation to internal part.The structure type of shell 1 has
A variety of, in the example of fig. 1, shell 1 includes bottle body 11 and bottle cap 12,11 open at one end of bottle body, and bottle cap 12 is connected to bottle body 11
Open end with sealed bottle body 11, in this example, as shown in figure 3, original water inlet 121, pure water outlet 122 and wastewater outlet
123 are each provided on bottle cap 12.In other embodiments, bottle body 11 can be with both ends open and bottle cap 12 for two or entire shell
The structure split between being formed from of body 1, shell 1 only includes two half shells at this time, here with no restriction.
As shown in Figure 1, limiting raw water runner 101, raw water between the periphery wall of main filter assemblies 2 and the inner wall of shell 1
Import 121 is connected to raw water runner 101.
Specifically, as shown in Figure 1, Figure 2 and shown in Figure 13, main filter assemblies 2 are cylindricality, and main filter assemblies 2 have 201 He of circumferential surface
The end face 202 of axial ends, limits raw water runner 101 between circumferential surface 201 and the inner wall of shell 1, original water inlet 121 is connected to original
Water flow passage 101.End face 202 be equipped with drainage portal 212 and waste water portal 222, main filter assemblies 2 are on both ends end face 202
Except cross drainage portal 212 and waste water portal and encapsulate in addition to 222.
Filtered water stream cavity 210 and at least one inner flow passage 204 are limited in main filter assemblies 2.Here, inner flow passage 204
It is either one or more.
When inner flow passage 204 is one, as shown in figure 13, the inner end of inner flow passage 204 is connected with filtered water stream cavity 210
Logical, inner flow passage 204 extends on the direction far from filtered water stream cavity 210 along helix, limits between the different circles of inner flow passage 204
Make outer flow passage 203.Spaced walls between inner flow passage 204 and outer flow passage 203 can also only partially can be with all filter membranes
Filter membrane.
When inner flow passage 204 is multiple, multiple inner flow passages 204 circumferentially surround the setting of filtered water stream cavity 210.In each
The inner end of runner 204 is connected with filtered water stream cavity 210, and each inner flow passage 204 is in the direction far from filtered water stream cavity 210
On extend along helix, limit outer flow passage 203 between two neighboring inner flow passage 204.Between inner flow passage 204 and outer flow passage 203
Spaced walls can with all filter membranes, can also only partially be filter membrane.
Wherein, as shown in figure 13, the outer end of inner flow passage 204 can be packed, and the outer end of inner flow passage 204 can also lead to
It crosses filter membrane and raw water runner 101 is spaced.And the outer end of outer flow passage 203 is connected with raw water runner 101.
Encapsulation mentioned above can be inner flow passage 204 being arranged to waterproof wall, outer flow passage in the wall surface of axial ends
203 are arranged to waterproof wall in the wall surface of axial ends.It, can be by inner flow passage 204 such as when main filter assemblies 2 set lid at both ends
Spaced walls between outer flow passage 203 are connected in end cover.In this way, raw water will inwardly be flowed, it can only be along interior stream
Road 204,203 helical flow of outer flow passage, or directly through filtering membrane flow, directly to filtered water stream after can not being overflowed from end
Cavity 210 flows.
The filtered water stream cavity 210 that raw water is flowing radially toward main 2 center of filter assemblies can be limited in this way, and raw water flows inside
Part water flow can be flowed along helix under the influence of road 204, outer flow passage 203.Since hydraulic pressure is much small in filtered water stream cavity 210
In hydraulic pressure in raw water runner 101, under pressure difference guiding, the drainage of crossing that can pass through filter membrane more leads to towards filtered water stream straight
Chamber 210 flows.The drainage water flow of crossing isolated in raw water close to along normal direction penetrates filter membrane, and it is big to wear film normal pressure, Er Qieshui
It is short to flow flow path.Filtered water stream resistance is significantly reduced in this way, and shortens water and flows through the film time, to can realize big logical
The purpose of amount preparation water purification, improves water purification efficiency.
Wherein, waste water portals the inner end setting of 222 corresponding outer flow passages 203, crosses drainage and portals 212 corresponding filtered water stream cavities
210 settings.
In some embodiments of the utility model, as shown in Figure 4-Figure 7, main filter assemblies 2 include: 20 He of central tube group
Multiple diaphragm bags 23, central tube group 20 include the waste water collector 22 of central tube 21 and multiple settings spaced apart, multiple waste water collectors
22 are arranged around central tube 21.The tube wall of central tube 21 was equipped with drainage and enters hole 211, and the end of central tube 21 was equipped with drainage
Portal 212.The tube wall of waste water collector 22 is equipped with waste water and enters hole 221, and the end of waste water collector 22 is equipped with waste water and portals 222.Film
Piece bag 23 has the first part being located inside central tube group 20 and the second part outside central tube group 20, each waste water
Collector 22 and central tube 21 are separated by the first part of at least one diaphragm bag 23, and the second part formation of multiple diaphragm bags 23 is enclosed
The plural layers component being wound on around central tube group 20.It is limited in central tube 21 and enters the filtering that hole 211 is connected to drainage excessively
Water flow cavity 210 limits in waste water collector 22 and enters the waste water flowing lumen 220 that hole 221 is connected to waste water.Pass through original water inlet
121 raw waters entered, the peripheral side of main filter assemblies 2 is flowed to from raw water runner 101, and raw water rolls into more across diaphragm bag 23
After layer film component, the drainage of crossing filtered out across diaphragm bag 23 enters the inflow of hole 211 central tube 21 from drainage is crossed, and is pooled to
In drainage flowing lumen 210, the waste water for not passing through diaphragm bag 23 then enters hole 221 from waste water and flows into waste water collector 22, is pooled to useless
In water flow cavity 220.
As shown in Fig. 2, axial one end of water route conversion 4 Gai Zhu filter assemblies 2 of lid group, postposition filtration members 7 are located at water route
It converts in lid group 4.Certainly, in some embodiments of the utility model, water route conversion lid group 4 may be two and cover respectively
The axial ends of main filter assemblies 2, when converting lid group 4 by water only here as one the case where, are illustrated, and both ends are all provided with
The case where setting water route conversion lid group 4 repeats no more it is possible thereby to direct derivation goes out.
Specifically, as shown in Fig. 2, being equipped with waste water honeycomb duct 46 in water route conversion lid group 4 and crossing drainage honeycomb duct 47, waste water
The both ends of honeycomb duct 46 are respectively communicated with waste water and portal 222, wastewater outlet 123, and the both ends for crossing drainage honeycomb duct 47 were respectively communicated with
Drainage portals 212, pure water outlet 122, and the setting of postposition filtration members 7 is being crossed in drainage honeycomb duct 47.
That is, raw water is after the filtering of main filter assemblies 2 and liquid separation, obtained filtered water stream enters water route conversion lid group
4 drainage honeycomb duct 47 excessively, obtained waste water flow into the waste water honeycomb duct 46 of water route conversion lid group 4.Into waste water honeycomb duct 46
Waste water can from wastewater outlet 123, obtain cross drainage cross drainage honeycomb duct 47 through postposition filtration members 7 further purify, shape
The pure water used at people are more suitable for.It should be noted that raw water mentioned in this article, excessively drainage, pure water are not to water
The restriction of ingredient, but named for ease of illustration of water purification process and to the difference of water, wherein the water without main filter assemblies 2 is known as
Raw water, the water after the shunting of main filter assemblies 2 in inflow central tube 21 were known as drainage, flowed into after the shunting of main filter assemblies 2
Water in waste water collector 22 is known as waste water, and the water filtered through postposition filtration members 7 is referred to as pure water.
In the composite filter element 100 of the utility model embodiment, designed by the structure to composite filter element 100, so that former
After water enters raw water runner 101, plural layers component made of Multilayer Film bag 23 is wound can be passed radially through.Into raw water stream
Most of water flow in road 101 circumferentially, axially flows, and is dispersed in main 2 periphery of filter assemblies, the mistake circumferentially, axially flowed
Cheng Zhong, the impurity of current scour film surface can avoid film surface obstruction, improves filter capacity.
What needs to be explained here is that being usually by the filter core with postposition filtration members 7 and to have in conventional treatment facilities
The filter core of main filter assemblies 2 is connected, and the two is connected with pipeline.But this side is improved in the utility model embodiment
Postposition filtration members 7 are integrated in composite filter element 100 using water route conversion lid group 4, save pipeline connection, shorten whole by case
A purifying paths save filter core cost.And composite filter element 100 becomes one, and is also very big for purification system
Ground simplifies structure.User is easy to operate when needing to dismount, changing core, improves user experience.
In some embodiments, as shown in Figure 1, main filter assemblies 2 further include prefilter part 24, prefilter part 24 is
The outside of inner flow passage 204 and outer flow passage 203 is arranged in the tubular of both ends open, prefilter part 24, and raw water runner 101 is annular
And it is looped around the outside of prefilter part 24.Raw water at least undergoes three layer filtration to form pure water in this way, and the pure water quality of formation is more
It is high.
Optionally, when multiple diaphragm bags 23 roll to form plural layers component, prefilter part 24 can be with multi-layer thin
Membrane module rolls with one heart, forms preposition filter cylinder, facilitates installation.Prefilter part 24 can be made of non-woven fabrics, PP cotton and carbon fiber,
Purification filtering can be carried out to raw water in advance, effectively intercept iron filings, silt, organic matter and chlorine residue etc. in water.
In certain embodiments, 24 housing of prefilter part is on plural layers component, therebetween without centre
Skeleton, i.e. plural layers component outer end are placed directly against on 24 inner wall of prefilter part, in this way saving part.
In some embodiments of the utility model, bottle cap 12 not can be opened and closed to be connected on bottle body 11, for example, bottle cap 12
It is solderable to be connected to bottle body 11.
In some embodiments of the utility model, bottle cap 12 can be opened and closed to be connected on bottle body 11, and lid group 4 is converted in water route
It is connected between bottle cap 12 and main filter assemblies 2.Water route conversion lid group 4, main filter assemblies 2 are detachably connected in shell 1,
Possibility and convenience are provided to change core as a result, compared to the deserted element kit of tradition, reduces replacement cost.
Here, the form for opening and closing design can be lid conjunction form, or the form of threaded connection can also be grafting
The form of fastening, is not particularly limited herein.In the example of fig. 1, bottle cap 12 is threaded on bottle body 11, therebetween
Equipped with sealing ring 128.Optionally, sealing ring 128 is O-ring seals, and sealing ring 128 is at least together.
Further, conversion lid group 4 in water route is connected on bottle cap 12, and water route is converted lid group 4 and be can be rotated with respect to bottle cap 12.It can
For the bottle cap 12 of folding in moving process, inevitably may require that makes bottle cap 12 cover tightly or unclamp by rotation, or even works as bottle cap 12
When spiral is connected to bottle body 11, water route is converted lid group 4 and be can be rotated with respect to bottle cap 12, just will not convert lid group 4 to water route and cause to damage
It is bad.In addition, bottle cap 12 press it is tight, screw during, lid group 4 can be converted into water route and main filter assemblies 2 compress, in raising
Portion's Standard quality, it is therefore desirable to which water route conversion lid group 4, which is arranged to opposite bottle cap 12, can be rotated.
In the utility model embodiment, as shown in figs. 4 and 7, multiple diaphragm bags 23 of main filter assemblies 2 are being wound
Tubular is formed after central tube group 20.Multiple diaphragm bags 23 unidirectionally roll, between the second part for making two neighboring diaphragm bag 23
Spiral outer flow passage 203 is formed, forms spiral inner flow passage 204 inside the second part of each diaphragm bag 23.Advantageously,
It is equipped with filter in inner flow passage 204 and outer flow passage 203, diaphragm is avoided to be close to.
As one can imagine when radially flowing into main filter assemblies 2, it is primary thus main often to pass through a piece of membrane filtration for raw water
The filter effect of filter assemblies 2 is secure.During raw water flowing, most of impurity is blocked in outer flow passage 203 by diaphragm
It is interior.Here, during water flow is flowed towards central tube group 20, it also will drive the impurity in outer flow passage 203 along the hand of spiral
It is flowed towards central tube group 20, eventually arrives at waste water collector 22.
Main filter assemblies 2 use the water-saving film of effluent, are intake by effluent, improve film surface flow velocity, guarantee higher pure water
The rate of recovery and the longer service life of diaphragm bag 23.
Optionally, main filter assemblies 2 can be reverse-osmosis membrane element, can also be hyperfiltration membrane assembly.I.e. diaphragm bag 23 is optional
With the reverse osmosis membrane known in the market, ultrafiltration membrane existing in the market also can be selected.Ultra-filtration filters and osmosis filtration
The prior art that principle and technology are well known to the skilled person, repeats no more in the present invention.
In some embodiments, axial one end of main filter assemblies 2 is converted lid group 4 by water route and is encapsulated, and avoids raw water straight
It connects from end face 202 and flows to central tube group 20, avoided drainage and waste water in 202 mixed flow of end face.
Specifically, as shown in Figure 1, the axial other end of main filter assemblies 2 is encapsulated by sealing plate 9, also avoid raw water direct
Central tube group 20 is flowed to from end face 202, avoided drainage and waste water in 202 mixed flow of end face.
Further, water route conversion lid group 4 and sealing plate 9 are adhesive in the axial end portion of main filter assemblies 2 respectively, so not only
It is easy to assembly, and can avoid damage diaphragm.Optionally, water route conversion lid group 4 and sealing plate 9 pass through a circle hot melt adhesive sealing respectively
It is connected to the end of main filter assemblies 2.
Specifically, central tube 21 and waste water collector 22 are respectively through tube, and capping 9 is equipped with multiple plugs 91, inserts respectively
The end for being connected to central tube 21 and waste water collector 22 is connect, to play sealing function, avoided drainage and waste water mixed flow.
In some embodiments of the utility model, as shown in Fig. 2, water route conversion lid group 4 include water route convert into lid 41,
Go out lid 42 in the conversion of water route and outgoing lid 43 is converted in water route.Water route is converted into the end of 41 Gai Zhu filter assemblies 2 of lid, and water route turns
Swap-in lid 41 is equipped with the waste water inlet 51 of connection waste water flowing lumen 220, and water route converts into lid 41 and is equipped with connection filtered water stream
The filtering water inlet 61 of cavity 210.Go out lid 42 in the conversion of water route to cover and converts in water route on lid 41, go out in the conversion of water route lid 42 with
Water route is converted into drainage honeycomb duct 47 was limited between lid 41, and lid 42 is gone out in the conversion of water route and is equipped with connection pure water outlet 122
Inner cover mouth 44.Water route converts outgoing lid 43 and covers in the conversion of water route to go out on lid 42, water route convert the outer periphery of outgoing lid 43 with
Water route is converted to be connected into lid 41, goes out lid 42 in the outgoing lid 43 of water route conversion, water route conversion and water route is converted and limited between lid 41
Waste water honeycomb duct 46 out, water route, which is converted in outgoing lid 43 and water route conversion, goes out between lid 42 to limit connection wastewater outlet 123
Outer cover mouth 45.
That is, waste water, which can enter water route by waste water inlet 51 from waste water flowing lumen 220, converts lid group 4, filtering
Water can enter water route by filtering water inlet 61 from filtered water stream cavity 210 and convert lid group 4.It converts into lid 41 and water route in water route
Lid 42 can will cross drainage out in conversion and waste water separates.It converts in water route between lid 41 and the interior lid 42 out of water route conversion and limits
Drainage honeycomb duct 47 is crossed out, is crossed drainage along drainage honeycomb duct 47 is crossed and is flowed to inner cover mouth 44, inner cover mouth 44 and pure water outlet 122 connect
It connects, pure water can be flowed out from pure water outlet 122.Go out lid 42 in outgoing lid 43 is converted in water route, water route is converted and water route is converted into lid
Waste water honeycomb duct 46 is limited between 41, waste water flows to outer cover mouth 45, outer cover mouth 45 and wastewater outlet along waste water honeycomb duct 46
123 connections, waste water can be flowed out from wastewater outlet 123.
The cooperation that outgoing lid 43 is converted into lid 41, the interior lid 42 out of water route conversion and water route is converted by water route, limiting can
The drainage honeycomb duct 47 excessively of postposition filtration members 7, the waste water that main filter assemblies 2 can also be distributed and filtering water difference is arranged
It is oriented to pure water outlet 122 and wastewater outlet 123, structure is simple.
Lid group 4 is converted in such water route, and assembling capacity is very strong, greatly simplifies assembly process, shortens assembly time.
In some specific embodiments of the utility model, as shown in Figure 8 and Figure 9, it includes inlet side that water route, which is converted into lid 41,
Half cylinder 411, half cylinder 412 of outlet and cylinder connecting leg 413.
Half cylinder 411 of inlet side is located in the open at one end towards main filter assemblies 2, waste water inlet 51, filtering water inlet 61
On half cylinder 411 of inlet side, for the one end fits of main filter assemblies 2 in the inner circumferential side of half cylinder 411 of inlet side, outgoing lid 43 is converted in water route
It is connected to the peripheral side of half cylinder 411 of inlet side.
Half cylinder 412 of outlet is in the open at one end far from main filter assemblies 2, half cylinder 412 of outlet and half cylinder 411 of inlet side
Between be spaced apart, the peripheral wall that lid 42 connects half cylinder 412 of outlet is gone out in the conversion of water route, half cylinder 412 of outlet was equipped with drainage
Outlet 62.Cylinder connecting leg 413 is connected between half cylinder 412 of half cylinder 411 of inlet side and outlet, and one end of cylinder connecting leg 413 connects
Take over drainage import 61, other end connection filtering water outlet 62.
That is, half cylinder 411 of inlet side and half cylinder 412 of outlet are opened wide in phase back side, the two passes through cylinder connecting leg
413 are connected.The hole being connected on half cylinder 411 of inlet side with cylinder connecting leg 413 is filtering water inlet 61, on half cylinder 412 of outlet with
The hole that cylinder connecting leg 413 is connected to is filtering water outlet 62.And waste water is provided at half cylinder 411 of inlet side deviation cylinder connecting leg 413
Import 51, waste water inlet 51 are not connected to cylinder connecting leg 413.
The tubular that half cylinder 411 of inlet side is formed to open at one end is to cooperate for convenience with the end of main filter assemblies 2,
Increase the end part seal reliability of main filter assemblies 2.And half cylinder 411 of inlet side of tubular can tightly wale roll it is more
Layer film component avoids scattering.
And half cylinder 412 of outlet is formed to the tubular of open at one end, then it is to go out 42 phase of lid in the conversion of water route for convenience
Even, half cylinder 412 of outlet and the interior lid 42 out of water route conversion engage, and contact area is big, and good airproof performance avoids crossfire.
It is spaced apart between half cylinder 412 of outlet and half cylinder 411 of inlet side, is then that waste water flows for convenience, is formed at this time
Waste water honeycomb duct 46, be exactly connected to the waste water inlet 51 on half cylinder 411 of inlet side.
The peripheral side that outgoing lid 43 is connected to half cylinder 411 of inlet side is converted referred to herein as by water route, it on the one hand can be conveniently fixed
On the other hand position assembly can make water route convert outgoing lid 43 and connect with half cylinder 411 of inlet side formation excellent sealing.It is understood that
It is that because crossing film, there are larger crushings in water flow filter process, it is clear that hydraulic pressure is significantly greater than main filter assemblies 2 in raw water runner 101
Inside water pressure and waste water honeycomb duct 46 in hydraulic pressure.Outgoing periphery of 43 sets of the lid in half cylinder 411 of inlet side is converted into water route at this time
Side is just available with pressure difference, so that water route is converted the peripheral side that outgoing lid 43 is close to half cylinder 411 of inlet side, to reach sealing
Good effect.
It is formed with step surface on the barrel that Fig. 8 and Fig. 2 can be seen that half cylinder 411 of inlet side, in order to convert with water route
Outgoing lid 43 positions.
Optionally, as shown in figure 9, half cylinder 411 of inlet side, half cylinder 412 of outlet and cylinder connecting leg 413 are integrally formed
Part, such sealing structure are easy to ensure.Or as shown in figure 12, half cylinder 411 of inlet side, cylinder connecting leg 413 are to be integrally formed
Part, half cylinder 412 of outlet are connected on cylinder connecting leg 413.
Certainly, in the utility model embodiment, half cylinder 411 of inlet side, half cylinder 412 of outlet and cylinder connecting leg 413 can also
It is connected in a manner of through welded connecting, or even three can also be threadedly coupled under the premise of ensureing leakproofness, here not
It is restricted.
In the utility model embodiment, as shown in Fig. 2, going out lid 42 in the conversion of water route forms inverted sink shape, water route
It converts outgoing lid 43 and also forms inverted sink shape, and the size of the outgoing lid 43 of water route conversion is greater than in the conversion of water route lid 42 out,
It can be buckled in the conversion of water route to go out on lid 42 to which outgoing lid 43 is converted in water route, and certain interval can also be formed therebetween with shape
At waste water honeycomb duct 46.
Wherein, in Fig. 2, the lower end week edge that lid 42 is gone out in the conversion of water route is connected with the peripheral wall of half cylinder 412 of outlet, water route
The upper end opening for going out lid 42 in conversion constitutes above-mentioned inner cover mouth 44.
The lower end week of outgoing lid 43 is converted along being connected with the peripheral wall of half cylinder 411 of inlet side in water route, and outgoing lid 43 is converted in water route
Upper end week along cover water route conversion in go out lid 42 upper end week edge outside, be formed by therebetween annular mouth constitute it is above-mentioned
Outer cover mouth 45.
Preferably, as shown in figure 8, the radial dimension of half cylinder 411 of inlet side is greater than the radial dimension of half cylinder 412 of outlet.
In this way, the lower end size that the lower end that outgoing lid 43 is converted in water route just needs to convert interior lid 42 out than water route is big, it can be convenient
The assembly of water route conversion lid group 4.
In a specific embodiment, as shown in figure 5, going out the joint of lid 42 in half cylinder 412 of outlet and water route conversion
Thickness is thinned, and the contact surface section of the two is formed as Z-shaped, can increase contact area in this way, improves sealing effect.
Optionally, the welded connecting of lid 42 is gone out in the conversion of water route to convert in water route on lid 41, for example, going out to cover in the conversion of water route
42 rotation welderings are connected on half cylinder 412 of outlet.The reason of being arranged in this way is, is to go out the inside connection of lid 42 in the conversion of water route
Be pure water outlet 122, once leak will lead to composite filter element 100 failure.Therefore bonding strength can be guaranteed by being welded to connect, and be mentioned
High sealing persistence.
In a specific embodiment, conversion outgoing 43 gluing of lid in water route is connected to water route and converts on lid 41 why
It is connected using gluing, one side simple process, at low cost, processing is fast, is converted in outgoing lid 43 due to water route
External differential guarantees that conversion outgoing lid 43 in water route can be tightly attached to water route and convert on lid 41.
Specifically, as shown in Fig. 2, crossing drainage honeycomb duct 47 and the coaxial arrangement of main filter assemblies 2,46 housing of waste water honeycomb duct
In the outside for crossing drainage honeycomb duct 47.The filtering water filtered out in main filter assemblies 2 is equivalent to straight line flow direction filtering water honeycomb duct
47, the water for crossing drainage is usually significantly larger than the water of waste water, is conducive to filtered water stream and leads to efficiency.In addition, being arranged such can increase
Add waste water that resistance is discharged, can promote to filter out more filtered water streams in waste water to filtering in main filter assemblies 2 after waste water hydraulic pressure increase
Water honeycomb duct 47, to improve purifying rate.Setting can facilitate each section by each water route conversion lid group 4 essentially to justify in this way
Shape facilitates manufacture.
In addition above-mentioned water route conversion lid group 4 structure in, water route conversion lid group 4 assemble when assemble from inside to outside, will after
It sets in the centrally disposed drainage honeycomb duct 47 excessively of filtration members 7, assembly, positioning postposition filtration members 7 are easier to.In Fig. 2, filtering
Water honeycomb duct 47 is larger in the section diameter that half cylinder 412 of outlet and water route are converted out between lid 43, and setting postposition filtration members 7 are not
It will affect water flow passability.
Certainly, in the other embodiments of the utility model, lid group 4 is converted in water route can also use other shapes, such as
Water route conversion lid group 4 formation one barrel-shaped, and barrel-shaped centre is separated out partition (be similar among funcltional double chafing dish and separate by partition), bucket
Shape half is used to flow through waste water, the other half is used to stream and passes through drainage.
In some examples of the utility model, as shown in Figure 9 and Figure 10, water route is converted into lid 41 towards main filtering group
The side of part 2 is equipped with waste water adapter tube 5 and crosses drainage adapter tube 6, and the nozzle of waste water adapter tube 5 is waste water inlet 51, crosses drainage adapter tube 6
Nozzle is filtering water inlet 61.Waste water flowing lumen 220 is connected to waste water adapter tube 5, waste water from waste water flowing lumen 220 outflow after along
Waste water adapter tube 5 enters water route and converts lid group 4.Filtered water stream cavity 210 is connected to drainage adapter tube 6 is crossed, and crosses drainage from filtered water stream
Cavity 210 enters water route along drainage adapter tube 6 excessively after flowing out and converts lid group 4.
Specifically, as shown in Fig. 2, central tube 21 was plugged on drainage adapter tube 6, waste water collector 22 is plugged on waste water adapter tube
On 5, setting makes water route conversion lid group 4 and main filter assemblies 2 have the function of centering in this way, prevents deflection, moreover it is possible to pass through intubation
Connection, guarantees the leakproofness of junction, avoids crossfire.
Specifically, waste water adapter tube 5 is multiple, and multiple waste water collectors 22 are plugged on correspondingly on multiple waste water adapter tubes 5.
It is arranged in a one-to-one correspondence, can facilitate and central tube group 20 is positioned.
Certainly, the utility model structure is without being limited thereto, such as under the premise of sealing performance guarantees, crosses 6 He of drainage adapter tube
Waste water adapter tube 5 can also be cancelled, and central tube 21 is directly plugged in filtering water inlet 61, and waste water collector 22 is directly plugged on waste water
In import 51.
In some embodiments of the utility model, as shown in Fig. 2, bottle cap 12 is equipped with inner connecting tube 124 and extension tube attached
125,125 housing of extension tube attached goes out lid 42 in the conversion of water route and is connected on inner connecting tube 124 on inner connecting tube 124, and water route conversion is outgoing
Lid 43 is connected in extension tube attached 125.Can facilitate in this way and be connected to inner cover mouth 44 with pure water outlet 122, facilitate by outer cover mouth 45 with
Wastewater outlet 123 is connected to.Wherein, there is clearance space between extension tube attached 125 and inner connecting tube 124, it is logical for water flow.
Specifically, tubulose, the pipe are formed in one end far from main filter assemblies 2 as shown in Fig. 2, going out lid 42 in the conversion of water route
Referred to as interior end pipe 421, interior end pipe 421 are socketed on inner connecting tube 124, are equipped with therebetween inner seal ring (not shown go out), in this way
It is provided with and is conducive to improve leakproofness.
Specifically, as shown in Fig. 2, outgoing lid 43 is converted in water route forms tubulose, the pipe in one end far from main filter assemblies 2
Referred to as outer end pipe 431, outer end pipe 431 are socketed in extension tube attached 125, are equipped with therebetween exterior seal ring (not shown go out), in this way
It is provided with and is conducive to improve leakproofness.
In some embodiments of the utility model, postposition filtration members 7 are pie or rodlike carbon core.Carbon core can be effective
Remove organic matter, chlorine residue and other radioactive substances in water removal, moreover it is possible to the particle in liquid greater than 10-20 microns is stopped, to water
Double effects with purification filtering.Postposition filtration members 7 are formed into pie or rodlike, fixation convenient for assembly.
In certain the utility model embodiment, postposition filtration members 7 can also form other shapes, using other filter materials
Matter made drainage pass through filtering from the inside to the outside, and did not made to have here for example, by using multi-layer film structure, or using tubular structure
Body limitation.
Below with reference to Fig. 1 and Fig. 2 description according to the structure of the composite filter element 100 of one specific embodiment of the utility model.
In the figure 2 example, main filter assemblies 2 and water route conversion lid group 4 are coaxially disposed, and water route converts lid group 4 and is located at master
Filter assemblies 2.The RO film (i.e. reverse osmosis membrane) that main filter assemblies 2 use, RO film are cased with preposition filter cylinder outside, and lid group 4 is converted in water route
Interior setting postposition carbon, the two are arranged up and down.Wherein, postposition carbon is pie, and RO film is the helical form rolled, and multilayer is made in RO film roll
Film assembly, plural layers component are cased with preposition filter cylinder outside.
Raw water runner 101 is limited between main filter assemblies 2, water route conversion lid group 4 and the inner wall of shell 1.The top of shell 1
End is bottle cap 12, and bottle cap 12 is equipped with original water inlet 121, pure water outlet 122, wastewater outlet 123, and original water inlet 121 is from raw water
Axial one end of runner 101 flows into, and washes away main 2 surface of filter assemblies along axial direction.
Main filter assemblies 2 are rolled by the diaphragm bag 23 of five leaves around central tube group 20, between two neighboring diaphragm bag 23
It is inner flow passage 204 inside each diaphragm bag 23 for outer flow passage 203.Diaphragm bag 23 forms sheet after rolling, similar to the bag of dress rice
Son flattens the square plate of formation after emptying rice.Diaphragm bag 23 rolls the piece to be formed four sides by glue sealing, the RO film water
Stream from radial water inlet, flow velocity faster, even if RO film is also able to maintain longer service life in the case where high-recovery 3:1.
Central tube group 20 includes central tube 21 and waste water collector 22, and water route conversion lid group 4 was equipped with drainage adapter tube 6 and gave up
Water adapter tube 5, main filter assemblies 2 convert 4 plug connection of lid group with water route.
Radial flow becomes owner of the raw water of filter assemblies 2, and can pass through the inflow central tube 21 of diaphragm bag 23 was drainage, leaves
Then waste water collector 22 is flowed into for waste water.It crosses drainage to be discharged after flowing through the filtering of postposition carbon from pure water outlet 122, waste water goes out from waste water
Mouth 123 is discharged.
In the description of this specification, reference term " some embodiments ", " some examples ", " optionally " or " specifically "
Deng description to mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained in this practical new
In at least one embodiment or example of type.In the present specification, schematic expression of the above terms are not necessarily referring to phase
Same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more
It can be combined in any suitable manner in embodiment or example.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective
And modification, the scope of the utility model are defined by the claims and their equivalents.
Claims (10)
1. a kind of composite filter element characterized by comprising
Shell, the shell are equipped with original water inlet, pure water outlet and wastewater outlet；
Main filter assemblies, the main filter assemblies are located in the shell, the main filter assemblies be cylindricality and have circumferential surface and
The end face of axial ends, limits raw water runner between the circumferential surface and the inner wall of the shell, the original water inlet is connected to institute
Raw water runner is stated, the end face, which was equipped with drainage, portals and portal with waste water, on main filter assemblies end face described in both ends
Except the drainage of crossing portals and encapsulates in addition to the waste water portals, filtered water stream cavity and extremely is limited in the main filter assemblies
A few inner flow passage, the inner end of each inner flow passage are connected with the filtered water stream cavity, and each inner flow passage is remote
Extend on direction from the filtered water stream cavity along helix, it is between the different circles of the inner flow passage or two neighboring described
Outer flow passage is limited between inner flow passage, the spaced walls at least partially filter membrane between the inner flow passage and the outer flow passage, institute
The outer end for stating inner flow passage is packed or by the filter membrane and raw water runner interval, the outer end of the outer flow passage and institute
State the connection of raw water runner, the waste water portals the inner end setting of the corresponding outer flow passage, and the drainage of crossing portals the corresponding mistake
The setting of drainage flowing lumen；
Lid group is converted in water route, and the water route conversion lid group is located in the shell, is led in the water route conversion lid group equipped with waste water
Runner and cross drainage honeycomb duct, the both ends of the waste water honeycomb duct be respectively communicated with the waste water portal, the wastewater outlet, it is described
Cross drainage honeycomb duct both ends be respectively communicated with it is described cross drainage portal, the pure water outlet；
Postposition filtration members, the postposition filtration members are located at described cross in drainage honeycomb duct.
2. composite filter element according to claim 1, which is characterized in that the main filter assemblies further include prefilter part,
The prefilter part is the tubular of both ends open, and the outer of the inner flow passage and the outer flow passage is arranged in the prefilter part
Side, the raw water runner are annular and the outside for being looped around the prefilter part.
3. composite filter element according to claim 1, which is characterized in that the shell includes bottle body and bottle cap, the bottle body
At least open at one end, the bottle cap is connected to the end of the bottle body to seal the bottle body, the original water inlet, described pure
Water out and the wastewater outlet are located on the bottle cap, and the water route conversion lid group is connected to the bottle cap and the main filtering
Between component.
4. composite filter element according to claim 3, which is characterized in that the bottle body only convert by open at one end, the water route
Lid group is encapsulated in one end of the main filter assemblies, is equipped with sealing plate in the bottle body, the sealing plate is encapsulated in the main filtering group
The other end of part.
5. composite filter element according to claim 3, which is characterized in that convert lid group and include: in the water route
Water route is converted into lid, and the water route converts and is connected to the waste water inlet and connection institute that the waste water portals into covering to be equipped with
Stated the filtering water inlet that drainage portals；
Go out to cover in the conversion of water route, goes out to cover in the water route conversion and convert in the water route into covering, go out in the water route conversion
Lid and the water route convert into limited between lid it is described cross drainage honeycomb duct, go out to cover in the conversion of the water route and be equipped with connection institute
State the inner cover mouth of pure water outlet；
The outgoing lid of water route conversion, the water route conversion is outgoing to be covered in the conversion of the water route to go out to cover, and the water route conversion is outer
The outer periphery and the water route covered out are converted into Gai Xianglian, and the water route conversion is outgoing to cover, goes out lid and institute in the conversion of the water route
It states water route to convert into the waste water honeycomb duct is limited between lid, goes out to cover in the outgoing lid of water route conversion and water route conversion
Between limit the outer cover mouth for connecting the wastewater outlet.
6. composite filter element according to claim 5, which is characterized in that the water route, which is converted into lid, includes:
Half cylinder of inlet side, half cylinder of inlet side are the waste water inlet, described in the open at one end towards the main filter assemblies
Filtering water inlet is located on half cylinder of inlet side, the inner circumferential of the one end fits of the main filter assemblies in half cylinder of inlet side
Side, the outgoing lid of water route conversion are connected to the peripheral side of half cylinder of inlet side；
Half cylinder of outlet, half cylinder of outlet far from the main filter assemblies open at one end, half cylinder of outlet with
It is spaced apart between half cylinder of inlet side, goes out the peripheral wall that lid connects half cylinder of outlet, the outlet in the water route conversion
Half cylinder is equipped with filtering water outlet；
Cylinder connecting leg, the cylinder connecting leg are connected between half cylinder of half cylinder of inlet side and the outlet, and the cylinder connects
One end of pipe connects the filtering water inlet, the other end connects the filtering water outlet.
7. composite filter element according to claim 5, which is characterized in that the bottle cap is equipped with inner connecting tube and extension tube attached, institute
Extension tube attached housing is stated on the inner connecting tube, goes out lid in the water route conversion and is connected on the inner connecting tube, the water route conversion
Outgoing lid is connected in the extension tube attached.
8. composite filter element according to claim 7, which is characterized in that the water route conversion is outgoing to cover far from the main mistake
One end of filter component forms outer end pipe, and the outer end pipe is socketed in the extension tube attached, the outer end pipe and the extension tube attached it
Between be equipped with exterior seal ring；
Go out to cover in the water route conversion and form interior end pipe in one end far from the main filter assemblies, the inner end pipe is socketed in institute
It states on inner connecting tube, inner seal ring is equipped between the interior end pipe and the inner connecting tube.
9. composite filter element according to claim 5, which is characterized in that go out lid in the water route conversion and be welded to connect described
Water route is converted into covering, and the water route, which converts outgoing lid gluing and is connected to the water route, converts into covering.
10. composite filter element according to claim 1 to 9, which is characterized in that the main filtration members include multiple
Diaphragm bag, multiple diaphragm bags roll to form plural layers component along spiral in the same direction, and the bag wall of the diaphragm bag is the mistake
Filter membrane, inner flow passage described in the Inner Constitution of the diaphragm bag constitute the outer flow passage between the adjacent diaphragm bag；The multilayer
Preposition filter cylinder has been rolled on film assembly.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821786754.4U CN209397000U (en) | 2018-10-31 | 2018-10-31 | Composite filter element |
| PCT/CN2019/114560 WO2020088562A1 (en) | 2018-10-31 | 2019-10-31 | Composite filter element and water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821786754.4U CN209397000U (en) | 2018-10-31 | 2018-10-31 | Composite filter element |
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| Publication Number | Publication Date |
|---|---|
| CN209397000U true CN209397000U (en) | 2019-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821786754.4U Active CN209397000U (en) | 2018-10-31 | 2018-10-31 | Composite filter element |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020088562A1 (en) * | 2018-10-31 | 2020-05-07 | 佛山市顺德区美的饮水机制造有限公司 | Composite filter element and water purifier |
| CN111115877A (en) * | 2018-10-31 | 2020-05-08 | 佛山市顺德区美的饮水机制造有限公司 | Composite filter element |
-
2018
- 2018-10-31 CN CN201821786754.4U patent/CN209397000U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020088562A1 (en) * | 2018-10-31 | 2020-05-07 | 佛山市顺德区美的饮水机制造有限公司 | Composite filter element and water purifier |
| CN111115877A (en) * | 2018-10-31 | 2020-05-08 | 佛山市顺德区美的饮水机制造有限公司 | Composite filter element |
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