CN210001672U - antifouling washing filter element assembly - Google Patents

Abstract

The application discloses antifouling washing filter element assembly, which comprises a shell, a front end filter element arranged in the shell, and a th water path and a second water path which are respectively connected with the front end filter element, wherein the antifouling washing filter element assembly can be switched between a washing state and a using state, the front end filter element is communicated with the second water path in the washing state, and the front end filter element is communicated with the th water path in the using state.

Description

antifouling washing filter element assembly

Technical Field

The application belongs to the technical field of water purification equipment, especially, relate to antifouling filter element subassemblies that wash.

Background

In recent years, with the increasing interest of consumers as a health product, the water purification industry has been developed at a high speed, the water purification product is used for purifying municipal tap water through filter elements to obtain directly drinkable water, the existing water purification product is generally divided into a front-end filter element and a rear-end filter element by serially connecting 3-5 stages of different types of filter elements to realize step-by-step filtration, wherein is mainly used for filtering large-particle substances such as silt, rust and the like in water, and residual chlorine, organic matters and the like as the front-end filter element, so that a -stage coarse filtration effect is achieved, the service life of the rear-end filter element can be protected and prolonged, and the use cost of the rear-end filter element is reduced.

The number of front-end filter elements of water purification products in the existing market is usually kept at 2-3, a plurality of single filter elements independent from the rear-end filter elements are connected in series to form a multi-stage filter element assembly, too many filter elements need to be installed, the product structure is complicated, the cost is increased, the installation operation is complex, time and labor are wasted, and the water leakage risk exists at the connection pipeline of the filter elements; meanwhile, the volume of the whole machine of the product is large, the occupied space is increased, the space under the kitchen of the current consumer is more and more miniaturized, the space for installing the water purification product is less and less, the water purification product with overlarge volume can only be installed outside the cabinet, the space in the kitchen is occupied, the appearance is attractive, and the requirements of a user on high-quality life cannot be met.

In addition, as the service life is prolonged, impurities in water can block the filter element, so that the filter element needs to be periodically disassembled and washed or replaced to ensure normal work of the water purification product, the traditional water purification product has too many filter elements, the replacement process of the filter element is complex, the disassembly, the assembly and the maintenance are inconvenient, time and labor are wasted, water can continuously drip when the filter element is taken out, the user experience is poor, the replacement periods of different types of filter elements are different, and expenses need to be collected when a worker replaces filter elements, so that the maintenance cost of the water purifier is high, and the use cost of consumers is increased.

However, when water is supplied to the water purification product which is used for the first time, a large amount of water flows into the front-end carbon filter element, carbon dust and the like which are hidden in tiny pores with filtering functions in the carbon filter element can be flushed out to generate black water, the front-end carbon filter element needs to be flushed firstly, so that the black water is prevented from flowing into the rear-end filter element to pollute, block or damage the rear-end filter element, the service life of the rear-end filter element is protected and prolonged, the use cost of the filter element is reduced, when the carbon filter element in the conventional composite filter element is flushed, a user needs to disassemble the composite filter element firstly, take the carbon filter element out of the composite filter element to flush the carbon filter element separately, and after the flushing is completed, the carbon filter element is installed in the composite filter element and connected with a pipeline, the water leakage time is consumed, and the pipeline has poor risk and the user can check up the physical examination.

The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the purpose of this application is to provide kinds of antifouling filter element subassemblies that wash, need not the dismouting alright realize washing the front end filter core, the daily cleanness of being convenient for and maintenance, reduce the hidden danger of leaking that the pipeline dismouting brought, simple structure, it is simple and convenient to change the maintenance, effectively promotes user and uses experience.

In order to achieve the purpose, the application provides anti-pollution washing filter element assemblies, which are characterized by comprising a shell, a front end filter element arranged in the shell, and a water path and a second water path which are respectively connected with the front end filter element, wherein the anti-pollution washing filter element assemblies can be switched between a washing state and a use state, the front end filter element is communicated with the second water path in the washing state, and the front end filter element is communicated with the water path in the use state.

In examples, the waterway and the second waterway are positioned in the shell, a clean water port and a flushing port are arranged on the shell, the waterway is communicated with the clean water port, and the second waterway is communicated with the flushing port.

In examples, the anti-fouling washing filter element assembly further comprises a support, the front end filter element is fixedly installed in the shell through the support, a raw water channel is defined by the front end filter element, the support and the inner side wall of the shell, and a raw water port communicated with the raw water channel is further arranged on the shell.

In examples, the waterway comprises a rear end filter element, the bracket comprises a 0 th bracket and a 1 th pipeline, the 2 th bracket is connected with a end of the shell and forms a clear water cavity with an end face of the shell, the clear water port is communicated with the clear water cavity, the end of the th pipeline is connected with the th bracket, the end of the th pipeline is connected with a water outlet of the rear end filter element, a water inlet of the rear end filter element is communicated with the front end filter element, the th pipeline is communicated with the clear water cavity, and the rear end filter element, the th pipeline and the clear water cavity together form the th waterway.

In examples, the bracket further comprises a second pipeline, the second pipeline is embedded in the pipeline, a pipe wall of the pipeline is provided with a connecting port communicated with the front-end filter element, the end of the second pipeline is connected with the connecting port, the other end of the second pipeline is connected with the flushing port, and the second pipeline forms the second water path.

In examples, the front filter element is in a hollow cylinder shape, the front filter element is embedded and arranged outside the rear filter element, the front filter element, the support and the rear filter element jointly enclose a middle water path, and the connection port and the water inlet of the rear filter element are respectively communicated with the middle water path.

In examples, the end of the front end filter element perpendicular to the filtering direction is fixedly connected with the support, the support is further provided with a mounting opening, the rear end filter element can be mounted in the front end filter element through the mounting opening, and the th pipeline is mounted at the mounting opening and closes the mounting opening.

In examples, the rear filter element is arranged at the end of the front filter element in series, the front filter element is nested outside the th pipeline, -th intermediate water paths are defined among the front filter element, the -th bracket and the outer side wall of the -th pipeline, second intermediate water paths are defined among the inner side wall of the shell, the rear filter element and the end of the front filter element, the -th intermediate water path is communicated with the second intermediate water paths, the connecting port is communicated with the -th intermediate water path, and the water inlet of the rear filter element is communicated with the second intermediate water paths.

In examples, the bracket further comprises a middle bracket, two ends of the front end filter element perpendicular to the filtering direction are respectively and fixedly connected with the bracket and the middle bracket, the middle bracket is further provided with a flow passing hole, and the middle water path and the second middle water path are communicated through the flow passing hole.

In examples, the waterway and the second waterway are connected to the front cartridge by a flow splitting component that controls the front cartridge to communicate with the waterway or with the second waterway.

The filter element subassembly is washed to kinds of antifouling washing that propose through this application can bring following beneficial effect:

1. through setting up mutually independent water route and second water route, do not need dismouting front end filter core can realize independently washing the front end filter core, be convenient for daily cleanness and maintenance, reduce the hourglass water risk that the pipeline dismouting brought, antifouling washing filter element group spare realizes from the washing function, user's use is convenient and fast more, maintain simple and conveniently, it is laborsaving to save trouble, use cost is reduced, and effectively prevent the sparge water through the front end filter core from flowing into in the water route, avoid the sparge water to the pollution in water route, guarantee the filtration water purification effect of antifouling washing filter element group spare, fully satisfy user's user demand, effectively promote user to use and experience.

2. The front end filter core, the water route and the integrated installation in second water route are in the shell, form composite filter, eliminate the hidden danger of leaking of each filter core junction for antifouling filter element group spare's complete machine that washes only filter cores, and the succinct compactness of structure reduces the antifouling volume that washes filter element group spare greatly, and the reduction space occupies, saves installation space, and the outward appearance is pleasing to the eye, installs simple convenient and fast moreover, and assembly efficiency is high, and user experience is better.

3. The bracket plays a role in mounting and fixing the front-end filter element, the structure is simple, the fixing is firm, the reliability is high, the processing is simple, the cost is low, the mounting structure of the front-end filter element and the bracket is compact, the mounting space in the shell is saved, the space occupation is reduced, the whole volume of the antifouling washing filter element assembly is reduced, and the kitchen mounting space is saved; simultaneously, the support still plays the effect of water route distribution, and the waterway structure obtains optimizing, has stopped the production of stagnant water, and the filter area of make full use of front end filter core, filtration efficiency is high, and user experience is better.

4. The rear-end filter element and the front-end filter element are integrally installed in the shell to form the composite filter element, the water leakage hidden danger at the joint of the front-end filter element and the rear-end filter element is eliminated, the installation is compact, the size of the anti-pollution washing filter element assembly is greatly reduced, the space occupation is reduced, the whole anti-pollution washing filter element assembly is only filter elements, the structure is simple, the installation space is saved, resources are saved, the manufacturing cost is reduced, the filter element matching mode is increased, the use requirements of users are met, the defects that the replacement period of the front-end filter element and the replacement period of the rear-end filter element are different, the replacement and maintenance are troublesome are overcome.

5. The middle water path is used for shunting -level coarse filtration water and flushing water, the structure is simple and reasonable, the front end filter element and the rear end filter element are nested with each other, the th support plays a role in fixing and supporting the front end filter element and the rear end filter element simultaneously, the structure is simple and compact, the axial size of the anti-pollution flushing filter element assembly is greatly reduced, the installation space is saved, the spacing distance between the front end filter element and the rear end filter element is uniform, water flow is more stable, the filtering areas of the front end filter element and the rear end filter element are fully utilized, the filtering efficiency is high, the filtering effect is better, the user experience is good, in addition, the front end filter element has a larger filtering area, large-flux water purification can be realized.

6. The end and the support fixed connection of front end filter core perpendicular to filter direction play the effect of sealed front end filter core tip, and simple structure is reasonable, prevents that the raw water from bypassing the tip of front end filter core and getting into middle water route, avoids appearing the phenomenon of shunk, effectively guarantees the filtration and the washing effect of front end filter core.

Drawings

The accompanying drawings, which are incorporated herein and constitute part of this application and are included to provide a further understanding of the application, section of the application, illustrate embodiments of the application and together with the description serve to explain the application and not to limit the application.

FIG. 1 is a schematic diagram of the overall structure of types of anti-fouling washing filter element assemblies provided by the embodiment of the application;

FIG. 2 is a schematic diagram illustrating an exploded view of types of anti-fouling wash filter cartridge assemblies provided in accordance with embodiments of the present application;

FIG. 3 is a perspective cross-sectional view of types of anti-fouling wash filter cartridge assemblies provided in accordance with an embodiment of the present application;

FIG. 4 is a perspective cross-sectional view in another direction of an anti-fouling wash cartridge assembly provided in accordance with an embodiment of the present application;

FIG. 5 is a water path diagram of types of anti-fouling washing filter core assemblies in use according to the embodiment of the application;

FIG. 6 is a waterway diagram illustrating the flushing state of the anti-fouling flushing filter core assemblies provided by the embodiment of the application;

FIG. 7 is a plan sectional view of a anti-fouling wash cartridge assembly as provided by another embodiment of the present application;

FIG. 8 is a water path diagram of different anti-fouling wash cartridge assemblies in use according to another embodiment of the present application;

fig. 9 is a water path diagram of anti-fouling wash cartridge assemblies in a wash mode as provided in another embodiment of the present application.

Detailed Description

In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the description of the present application, it is to be understood that the terms "central," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the present invention.

Thus, a feature defined as "", "second" may explicitly or implicitly include or more of that feature.

In this application, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like shall be construed , as meaning either fixed or removable, or , mechanically, electrically, or communicatively, directly or indirectly through an intermediary, or through an interconnection between two elements or through an interaction between two elements.

In the description herein, reference to the description of the terms " solutions", " solutions", "examples", "specific examples", or " examples" or the like means that the particular features, structures, materials, or characteristics described in connection with the solutions or examples are included in at least solutions or examples of the application.

Arrows in fig. 5, 6, 8 and 9 indicate flow paths of water.

As shown in fig. 1 to 9, an embodiment of the application provides types of anti-fouling washing filter element assemblies, which include a housing 1, a front end filter element 2, a water path 3 and a second water path 4, wherein the front end filter element 2 is disposed inside the housing 1, and is mainly used for filtering large particulate matters such as silt, rust and the like in water, and residual chlorine, organic matters and the like, so as to perform a -level coarse filtering function, the front end filter element 2 may include a plurality of different types of filter elements, such as a PP cotton filter element 21 and a sintered carbon filter element (or a carbon fiber filter element) 22, and the front end filter element 2 is integrally installed in the housing 1 to form a composite filter element, so as to eliminate hidden water leakage at the connection position of the filter elements, achieve compact installation and simple structure, greatly reduce the volume of the anti-fouling washing filter element assemblies, reduce space occupation, save resources, reduce the cost of the anti-fouling washing filter element assemblies, increase the matching mode of the filter elements, meet the use requirements of users, and avoid the defects of different types of different.

The device comprises a water path 3 and a second water path 4 which are respectively connected with a front end filter element 2, the antifouling washing filter element assembly can be switched between a washing state and a using state, the front end filter element 2 is communicated with the second water path 4 in the washing state, the front end filter element 2 is communicated with a water path 3 in the using state, when the antifouling washing filter element assembly is used for the first time, the antifouling washing filter element assembly is switched to the washing state, the front end filter element 2 is communicated with the second water path 4, a large amount of water flows enter the front end filter element 2, dust, impurities or germs hidden in the front end filter element 2 are washed out, particularly carbon dust and the like in tiny pores playing a filtering role in a sintered carbon filter element 22 are washed out, generated washing water and black water enter the second water path 4 and then are discharged, washing of the front end filter element 2 is achieved, then the antifouling washing filter element assembly is switched to the using state, the antifouling washing filter element assembly 2 is switched to the front end filter element assembly 2, the front end filter element assembly 2 is communicated with the , the front end water path 3, the washing filter element assembly can be normally used for purifying a water path 5, the water and the black water, the antifouling washing filter element 4 can be used for purifying water, the antifouling washing filter element assembly, the antifouling washing water, the antifouling washing filter element assembly can be conveniently purified, the antifouling washing filter element assembly, the antifouling washing water, the antifouling washing filter element assembly can be purified, the antifouling washing water can be purified water, the antifouling washing filter element assembly can be purified water, the antifouling washing filter element assembly can be purified water can be conveniently, the pollution of the.

Specifically, the water path 3 and the second water path 4 are positioned in the shell 1, the shell 1 is provided with a water purifying port 11 and a flushing port 12, the water path 3 is communicated with the water purifying port 11, the second water path 4 is communicated with the flushing port 12, and the front end filter element 2, the water path 3 and the second water path 4 are integrally installed in the shell 1, so that only filter elements are arranged in the whole antifouling flushing filter element assembly, the structure is simple and compact, the installation space is saved, the appearance is attractive, the installation is simple, convenient and rapid, the assembly efficiency is high, and the user experience is better.

The antifouling washing filter element assembly further comprises a support 6, the front-end filter element 2 is fixedly installed in the shell 1 through the support 6, a raw water path 7 is defined by the front-end filter element 2, the support 6 and the inner side wall of the shell 1, the shell 1 is further provided with a raw water port 13 communicated with the raw water path 7, the support 6 plays a role in installing and fixing the front-end filter element 2, the fixing is firm and reliable, the processing is simple and low in cost, the installation structure of the front-end filter element 2 and the support 6 is compact, the installation space in the shell 1 is saved, the space occupation is reduced, the whole volume of the antifouling washing filter element assembly is reduced, the kitchen installation space is saved, meanwhile, the support 6 also plays a role in water path distribution, the water path structure is optimized, dead water is prevented from being generated, the filtering area of the front-end filter element 2 is fully utilized, the filtering efficiency is high, and the user experience is better.

Specifically, the waterway 3 comprises a rear end filter element 5, the support 6 comprises a support 61 and a 0 pipeline 62, the th support 61 is connected with the 2 end of the housing 1 and forms a water purification cavity 63 with the end surface of the housing 1, the water purification port 11 is communicated with the water purification cavity 63, the 4 th end of the th pipeline 62 is connected with the th support 61, the end is connected with the water outlet 51 of the rear end filter element 5, the water inlet 52 of the rear end filter element 5 is communicated with the front end filter element 2, the th pipeline 62 is communicated with the water purification cavity 63, the rear end filter element 5, the th pipeline 62 and the water purification cavity 63 form the th waterway 3 together, the th waterway 3 is a water purification waterway 3, the rear end filter element 5 and the front end filter element 2 are integrally installed in the housing 1 to form a composite filter element, the water leakage at the connection between the front end filter element 2 and the rear end filter element 5 is eliminated, the installation is compact, the volume of the filter element is greatly reduced, the anti-fouling washing filter element is occupied, the filter element is more suitable for the pollution, the filter element is more convenient, the replacement of the whole filter element, the filter element can be installed, the filter element can be used more convenient, the filter element replacement cost is reduced, the filter element replacement cost of the filter element is reduced, the filter element replacement efficiency of the filter element is reduced, the filter element replacement of the filter element, the.

The rear-end filter element 5 can be an RO (Reverse Osmosis) membrane filter element or an ultrafiltration membrane filter element, which has a fine filtration function of steps, has a better water purification effect and fully meets the use requirements of users, the second water path 4 can prevent flushing water and black water from flowing into the rear-end filter element 5 to pollute, block or damage the rear-end filter element 5, protect and prolong the service life of the rear-end filter element 5 and reduce the use cost of the rear-end filter element 5, in specific embodiments, the rear-end filter element 5 is an ultrafiltration membrane filter element, an additional waste water outlet is not needed, the structure is simpler, the ultrafiltration membrane filter element comprises an ultrafiltration membrane shell 53 and an ultrafiltration membrane (not shown in the figure) arranged in the ultrafiltration membrane shell 53, the water outlet 51 is arranged at the end part of the ultrafiltration membrane shell 53, the water inlet 52 is arranged on the side wall of the ultrafiltration membrane shell 53 far away from the water outlet 51 , and the ultrafiltration membrane shell 53.

Specifically, as shown in fig. 2 to 9, the bracket 6 further includes a second pipe 64, the second pipe 64 is embedded in the th pipe 62, a connecting port 621 communicated with the front end filter element 2 is formed on a pipe wall of the th pipe 62, an end of the second pipe 64 is connected to the connecting port 621, and another end of the second pipe 64 is connected to the flushing port 12, the second pipe 64 forms a second water path 4, and the second water path 4 is a flushing water path, the structure of the second water path 4 is optimized, dead water is prevented from being generated, residual flushing water is effectively prevented, the second pipe 64 is arranged in the th pipe 62, the installation space in the housing 1 is greatly saved, the structure of the antifouling flushing filter element assembly is more compact, the overall size is smaller, the kitchen installation space is saved, and the user experience is better.

Specifically, in embodiments, as shown in fig. 7 to 9, the front end filter element 2 is in a hollow cylinder shape, the front end filter element 2 is nested outside the rear end filter element 5, the front end filter element 2, the bracket 6 and the rear end filter element 5 jointly enclose an intermediate water path 8, the connection port 621 and the water inlet 52 of the rear end filter element 5 are respectively communicated with the intermediate water path 8, -level coarse filtered water or flushing water generated after raw water passes through the front end filter element 2 firstly enters the intermediate water path 8, and then respectively flows into the -level coarse filtered water path 3 or the second water path 4 according to the conduction state of the -level water path 3 and the second water path 4, namely, -level coarse filtered water and flushing water are split through the intermediate water path 8, the structure is simple and reasonable, the front end filter element 2 and the rear end filter element 5 are nested with each other to form a concentric circle type structure, the bracket 61 simultaneously plays a fixed supporting role in the front end filter element 2 and the rear end filter element 5, the structure is simple and compact, the axial size of the anti-fouling flushing filter element is greatly reduced, the installation space is saved, the distance between the front end filter element 2 and the rear end filter element 5 is uniform, the filter element is more uniform, the filter element can more stable, the water flow efficiency of the filter element is better, and the user can.

In the use state of the antifouling washing filter core assembly of the embodiment, as shown in fig. 8, raw water enters the raw water channel 7 in the antifouling washing filter core assembly from the raw water port 13, and sequentially passes through the PP cotton filter element 21 and the sintered carbon filter element 22 to generate -grade coarse filtered water, and flows out to the intermediate water channel 8, -grade coarse filtered water enters the rear end filter element 5 from the water inlet 52 of the rear end filter element 5, and is filtered by the rear end filter element 5 to generate purified water, the purified water enters the -th pipeline 62 through the water outlet 51, flows into the purified water cavity 63, and finally flows out from the purified water port 11, and in the washing state, as shown in fig. 9, the raw water enters the raw water channel 7 in the antifouling washing filter core assembly from the raw water port 13, sequentially passes through the PP cotton filter element 21 and the sintered carbon filter element 22, and then flows out to the intermediate water channel connection port 8, and then the black water and the washing water directly enter the second pipeline 64 from 621.

Specifically, the end, perpendicular to the filtering direction, of the front-end filter element 2 is fixedly connected with the -th support 61, the end portion of the front-end filter element 2 is sealed, the structure is simple and reasonable, raw water is prevented from entering the middle water path 8 by bypassing the end portion of the front-end filter element 2, the phenomenon that the raw water and -level coarse filtered water or flushing water are mixed is avoided, and the raw water is ensured to pass through the front-end filter element 2 along the filtering direction, so that the filtering and flushing effects of the front-end filter element 2 are effectively ensured.

The bracket 6 can also comprise a second bracket 65, the second bracket 65 is arranged at the other end of the shell 1 opposite to the th bracket 61, the other end of the front-end filter element 2 perpendicular to the filtering direction is fixedly connected with the second bracket 65, the th bracket 61 and the second bracket 65 are respectively and fixedly sealed with the two ends of the front-end filter element 2, so that the filter is firmer and more reliable, the sealing effect is better, water mixing and overflowing are effectively prevented, the filtering and flushing effects of the front-end filter element 2 are ensured, and the end of the rear-end filter element 5 opposite to the water outlet 51 is also fixedly connected with the second bracket 65.

Specifically, the th retaining rib 612 is further arranged on the th support 61, the end portion of the front end filter element 2 is fixedly and hermetically connected with the th retaining rib 612 through hot melt adhesive, the sealing connection area is increased, the sealing effect is better, the connection is firmer, the overflow and water mixing phenomena are prevented from occurring in the th step, the reliability is high, the filtering effect is ensured, and the user experience is better.

Specifically, in another embodiments, as shown in fig. 2-6, the rear filter element 5 is serially disposed at the end of the front filter element 2, the front filter element 2 is nested outside the th pipe 62, the front filter element 2, the th bracket 61 and the th pipe 62 enclose a th intermediate water path 81 between the outer side walls, a second intermediate water path 82 is enclosed between the inner side wall of the housing 1, the end of the rear filter element 5 and the end of the front filter element 2, the th intermediate water path 81 is communicated with the second intermediate water path 82, the connecting port 621 is communicated with the th intermediate water path 81, the water inlet 52 of the rear filter element 5 is communicated with the second intermediate water path 82, the front filter element 2 and the rear filter element 5 are axially staggered, so that the water inlet 52 of the rear filter element 5 and the th intermediate water path 81 are separated by the second intermediate water path 82, the washing water generated after passing through the front filter element 2 enters the intermediate water path 81, then directly enters the second pipe 64 to be directly discharged, thereby preventing the washing water from entering the second pipe 64 and preventing the rear filter element 5 from polluting the water and further prolonging the service life of the rear filter element 5, thereby achieving the filtering effect of the filter element, and further achieving the filtering of the filter element 5.

In the use state of the antifouling washing filter core assembly of the embodiment, as shown in fig. 5, raw water enters the raw water channel 7 in the antifouling washing filter core assembly from the raw water port 13, and passes through the PP cotton filter element 21 and the sintered carbon filter element 22 in sequence to generate -grade coarse filtered water, and flows out to the middle water channel 81 of the , -grade coarse filtered water flows from the middle water channel 81 of the to the second middle water channel 82, then enters the rear end filter element 5 from the water inlet 52 of the rear end filter element 5, and is filtered by the rear end filter element 5 to generate purified water, the purified water enters the -th pipeline 62 through the water outlet 51, flows into the purified water cavity 63, and finally flows out from the purified water port 11, as shown in fig. 6, the raw water enters the raw water channel 7 in the antifouling washing filter core assembly from the raw water port 13, passes through the PP cotton filter element 21 and the sintered carbon filter element 22 in sequence, and then black water and washing water flow out to the middle water channel 81 of the , and then the black water and washing water directly enter the second pipeline 64 from.

Specifically, the bracket 6 further comprises a middle bracket 66, two ends of the front-end filter element 2 perpendicular to the filtering direction are fixedly connected with the th bracket 61 and the middle bracket 66 respectively, the middle bracket 66 is further provided with a through hole 661, the th middle water path 81 is communicated with the second middle water path 82 through the through hole 661, the th bracket 61 and the middle bracket 66 are used for fixedly sealing two ends of the front-end filter element 2 respectively, so that the filter is firmer and more reliable, the sealing effect is better, water mixing and overflowing are effectively prevented, the filtering and flushing effects of the front-end filter element 2 are ensured, the middle bracket 66 is advanced to separate the th middle water path 81 from the second middle water path 82, the flushing water is prevented from diffusing into the second middle water path 82, the flushing water is prevented from entering and polluting and damaging the rear-end filter element 5, the service life of the rear-end filter element 5 is prolonged, the filtering effect of.

Specifically, still be provided with the third on the intermediate support 66 and keep off muscle 662, the tip and the third that front end filter core 2 kept off muscle 662 and passes through hot melt adhesive fixed connection, increase sealing connection area, and sealed effect is better, and firm in connection is reliable, advances step and prevents the phenomenon of crossing water, overflow, guarantees the filter effect, and user experience is better.

Specifically, the th water path 3 and the second water path 4 are connected with the front end filter element 2 through a flow dividing component (not shown in the figure), and the flow dividing component controls the front end filter element 2 to be communicated with the th water path 3 or to be communicated with the second water path 4. for example, the flow dividing component can be a three-way valve, three ports of the three-way valve are respectively connected with the front end filter element 2, the th water path 3 and the second water path 4, and the front end filter element 2 is controlled to be communicated with the th water path 3 or the front end filter element 2 is controlled to be communicated with the second water path 4 through the three-way valve, or the front end filter element 2 is directly connected with the th water path 3 and the second water path 4, and the flow dividing component is a solenoid valve respectively arranged on the th water path 3 and the second water path 4, and the solenoid valve on the th water path 3 is opened, and the solenoid valve on the second water path 4 is closed, so that the front end filter element 2 is communicated with the th.

Specifically, as shown in fig. 2, sealing members 9 are disposed between the th bracket 61 and the housing 1, between the th pipe 62 and the th bracket 61, between the second pipe 64 and the flushing port 12, between the water outlet 51 of the rear-end filter element 5 and the th pipe 62, and between the middle bracket 65 and the housing 1, for preventing water cross-flow or overflow between raw water and -grade coarse filtered water or flushing water, between -grade coarse filtered water or flushing water and clean water, and between clean water and raw water, and ensuring the filtering effect of the anti-fouling flushing filter element assembly, the sealing members 9 may be sealing rings, and have good sealing effect, simple structure and low cost.

Specifically, as shown in fig. 1 and 2, the housing 1 includes a casing 14 and a cover 15, the casing 14 is a hollow cavity with an opening 141 at an end , the cover 15 is fixedly connected with the casing 14 and closes the opening 141, the raw water port 13, the water purifying port 11 and the flushing port 12 are arranged on the cover 15, and the cover 15 and the casing 14 are connected by melting, so that the structure is simple, and the assembly and disassembly are convenient and quick.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims (10)

1. An anti-fouling wash filter cartridge assembly of the type , said anti-fouling wash filter cartridge assembly comprising:

   a housing;

   a front end filter element disposed within the housing; and

   the anti-fouling washing filter element assembly comprises a water path and a second water path which are respectively connected with the front end filter element, and the anti-fouling washing filter element assembly can be switched between a washing state and a use state, wherein the front end filter element is communicated with the second water path in the washing state, and the front end filter element is communicated with the water path in the use state.
2. 2. The anti-fouling wash cartridge assembly of claim 1,

   the water purification device comprises a housing, a water purification port, a water washing port, a waterway and a second waterway, wherein the th waterway and the second waterway are located in the housing, the housing is provided with the water purification port and the water washing port, the th waterway is communicated with the.
3. 3. The anti-fouling wash cartridge assembly of claim 2,

   the anti-fouling washing filter element assembly also comprises a bracket, and the front-end filter element is fixedly arranged in the shell through the bracket; the front end filter core the support and the inside wall of shell encloses into the raw water route jointly, still be provided with on the shell with the former mouth of a river of raw water route intercommunication.
4. 4. The anti-fouling wash filter cartridge assembly of claim 3,

   the th waterway comprises a rear-end filter element;

   the bracket comprises a bracket and a pipeline, wherein the bracket is connected with the end of the shell, a water purifying cavity is formed between the bracket and the end surface of the shell, and the water purifying opening is communicated with the water purifying cavity;

   the end of the th pipeline is connected with the th bracket, the other end of the th pipeline is connected with the water outlet of the rear-end filter element, the water inlet of the rear-end filter element is communicated with the front-end filter element, the th pipeline is communicated with the purified water cavity, and the rear-end filter element, the th pipeline and the purified water cavity form the th water path together.
5. 5. The anti-fouling wash cartridge assembly of claim 4,

   the bracket also comprises a second pipeline which is embedded in the th pipeline, and a pipe wall of the th pipeline is provided with a connecting port communicated with the front-end filter element;

   the end of the second pipeline is connected with the connecting port, the other end of the second pipeline is connected with the flushing port, and the second pipeline forms the second water channel.
6. 6. The anti-fouling wash filter cartridge assembly of claim 5,

   the front end filter element is in a hollow cylinder shape, and is embedded and arranged outside the rear end filter element;

   the front end filter element, the support and the rear end filter element enclose a middle water path together, and the connecting port and the water inlet of the rear end filter element are respectively communicated with the middle water path.
7. 7. The anti-fouling wash cartridge assembly of claim 6,

   the end of the front filter element, which is perpendicular to the filtering direction, is fixedly connected with the th bracket;

   the th support is also provided with a mounting opening, the rear-end filter element can be arranged in the front-end filter element through the mounting opening, and the th pipeline is arranged at the mounting opening and seals the mounting opening.
8. 8. The anti-fouling wash filter cartridge assembly of claim 5,

   the rear filter element is arranged at the end of the front filter element in series, and the front filter element is nested outside the pipeline;

   a th middle water path is defined among the front-end filter element, the th bracket and the outer side wall of the th pipeline, a second middle water path is defined among the inner side wall of the shell, the rear-end filter element and the end part of the front-end filter element, the th middle water path is communicated with the second middle water path, the connecting port is communicated with the th middle water path, and the water inlet of the rear-end filter element is communicated with the second middle water path.
9. 9. The anti-fouling wash cartridge assembly of claim 8,

   the bracket also comprises a middle bracket, two ends of the front end filter element, which are perpendicular to the filtering direction, are respectively and fixedly connected with the th bracket and the middle bracket, the middle bracket is also provided with an overflowing hole, and the th middle water path and the second middle water path are communicated through the overflowing hole.
10. 10. The anti-fouling wash cartridge assembly of claim 1,

    the th water route with the second water route through the reposition of redundant personnel part with the front end filter core is connected, the reposition of redundant personnel part control the front end filter core with water route intercommunication or with the second water route intercommunication.

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