CN212334820U - Filter element assembly and water purifier - Google Patents

Abstract

The utility model discloses a filter element group spare, include: a filter cartridge and a plurality of filter elements. It holds the chamber to inject a plurality of in straining a section of thick bamboo, and is a plurality of hold the chamber and be linked together and at least two hold chamber parallel connection to hold the chamber, strain a section of thick bamboo and be the cuboid, a plurality of filter cores set up respectively in a plurality of intracavity that hold, and two filter cores that hold the chamber of parallel connection are the same filter core of filter media. This filter element group spare strain a section of thick bamboo through directly inject a plurality of chambeies that hold that are used for placing the filter core in a section of thick bamboo, hold the chamber intercommunication each other moreover, at least two hold the chamber parallelly connected, can accelerate like this and hold the filtration efficiency of intracavity running water, in addition, place composite filter element in parallel connection's the intracavity that holds and can improve filtration quality.

Description

Filter element assembly and water purifier

Technical Field

The utility model belongs to the technical field of water purification unit technique and specifically relates to a filter element group spare and water purifier are related to.

Background

With the development of science and technology and the improvement of the living standard of people, the water purifier can purify water for users, improve the purity of the water for the users, ensure that the water for the users is more healthful and is accepted by people, and realize wide popularization and application.

In the related art, a water purifier generally comprises a plurality of filter elements and filter cartridges, the water purifier filters tap water step by step, each step is provided with only a single filter element, and the filter elements have single functions, so that the filtering rate and the filtering quality are reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. To this end, an object of the present invention is to provide a filter element assembly that can improve the filtration rate and the filtration quality.

According to the utility model discloses filter element group spare includes: strain a section of thick bamboo, a plurality of filter core, inject a plurality of chambeies that hold in straining, it is a plurality of hold the chamber and be linked together and at least two hold chamber parallel connection, strain a section of thick bamboo and be the cuboid, it is a plurality of the filter core sets up respectively in a plurality of hold the intracavity, two of parallel connection the filter core that holds the chamber is the filter core that the filter media is the same.

From this, this filter element group spare strain a section of thick bamboo is through directly inject a plurality of chambeies that hold that are used for placing the filter core in a section of thick bamboo, holds the chamber intercommunication each other moreover, and at least two hold the chamber parallelly connected, can accelerate like this and hold the filtration efficiency of intracavity running water, in addition, place composite filter element in parallel connection's the intracavity that holds and can improve filtration quality.

According to some embodiments of the utility model, it is a plurality of it holds the chamber including first chamber, the second holds the chamber and the third holds the chamber, the second holds the chamber and is located first hold the chamber with the third holds between the chamber, first hold the chamber with the second hold behind the chamber parallel connection with the third holds the chamber series connection, and is a plurality of the filter core includes first filter core, second filter core and third filter core, first filter core the second filter core with the third filter core set up respectively in first hold the chamber the second hold the chamber with the third holds the chamber, first filter core with the second filter core is the same filter core of filter media.

According to some embodiments of the invention, the first filter element and the second filter element comprise: the first filter material is arranged in the accommodating cavity; the second filter material and the first filter material are arranged at intervals in the axial direction of the accommodating cavity; the first end cover is arranged at the top of the first filter material in a sealing mode; and the second end cover is arranged between the first filter material and the second filter material and is provided with a limber hole.

According to some embodiments of the present invention, the first filter element and the second filter element further comprise: the inner through pipe is arranged in the first filter material, a water inlet hole is formed in the top of the inner through pipe, and the bottom of the inner through pipe corresponds to the water through hole.

According to some embodiments of the invention, the third filter element comprises: a third filter material; the third filter material and the fourth filter material are arranged at intervals in the axial direction of the accommodating cavity; the third end covers are respectively arranged at the tops of the third filter materials; the fourth end cover is arranged between the third filter material and the fourth filter material and is communicated with the two sides; and the fifth end cover is arranged at the bottom of the fourth filter material and is provided with a limber hole.

According to some embodiments of the utility model, first filter media all includes carbon-layer and PP layer, the PP layer with the carbon-layer sets up at axial interval, the third filter media includes: the charcoal stick layer, the fourth filter media includes: and (4) an ultrafiltration layer.

According to some embodiments of the invention, the filter element assembly further comprises: the water inlet joint is arranged on the first end cover positioned at the top in the second accommodating cavity, and the water inlet joint is sleeved on the water outlet joint and communicated with the second accommodating cavity.

According to some embodiments of the utility model, be located the second holds the intracavity wear to be equipped with the connecting pipe in the first filter media, the connecting pipe passes and is located the top first end cover and with the water connectors is linked together.

According to some embodiments of the invention, the filter element assembly further comprises: the water channel plate is arranged at the bottom of the filter cylinder and is respectively communicated with each accommodating cavity.

According to some embodiments of the invention, the filter cartridge comprises: the bottom of the barrel is provided with a containing groove, the water path plate is installed in the containing groove, and the bottom cover is covered on the open side of the containing groove.

According to some embodiments of the invention, the filter cartridge comprises: a barrel, the barrel comprising: the outer cover shell and a plurality of inner tubes, it is a plurality of inject respectively in the inner tube hold the chamber, the outer cover shell cover is located a plurality of the outside of inner tube and with it is a plurality of the inner tube is the integrated into one piece structure.

The utility model discloses water purifier, include filter element group spare.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a cross-sectional view of a filter cartridge assembly according to an embodiment of the present invention;

fig. 2 is an exploded view of a filter element assembly according to an embodiment of the present invention;

FIG. 3 is a bottom view of a filter element assembly according to an embodiment of the present invention;

fig. 4 is a perspective view of a filter cartridge according to an embodiment of the present invention;

fig. 5 is another perspective view of a filter cartridge according to an embodiment of the present disclosure;

fig. 6 is a top view of a filter cartridge according to an embodiment of the present disclosure;

FIG. 7 is an exploded view of an assembly of a filter cartridge and filter element according to an embodiment of the present invention;

fig. 8 is a perspective view of a water route plate according to an embodiment of the present invention.

Reference numerals:

a filter element assembly 100;

a filter cartridge 10;

a housing chamber 11; the first accommodation chamber 111; a second accommodating chamber 112; the third accommodation chamber 113; a water inlet 114;

a water outlet 115; a first water outlet 1151; a second water outlet 1152; a water receiving nozzle 116; a stopper 117; mounting screw holes 118; a perforation 119;

a barrel 12; an outer casing 121; an inner barrel 122; an accommodating groove 123;

a bottom cover 13; a water inlet joint 14; a water outlet joint 15; a sealing cover 16; a connecting pipe 17; a top cover 18;

a filter element 20; a first filter element 21; a second cartridge 22; a first filter 23; a first end cap 24; a second end cap 25;

an inner through tube 26; a water inlet 261; a water passage hole 262;

a third filter element 27; a third filter 271; a fourth filter material 272;

a third end cap 273; a fourth end cap 274; a fifth end cap 275; a second stopper portion 28; a second filter material 29;

a water circuit board 30;

a first channel 31; a first water inlet hole 311; a first water outlet hole 312;

a second channel 32; a second water inlet hole 321; a second water outlet hole 322;

a third channel 33; the third water inlet hole 331; a third outlet hole 332;

an open end 34; a plug 341; a mounting hole 35; and a seal ring 36.

Detailed Description

Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.

A filter cartridge assembly 100 according to an embodiment of the present invention, which filter cartridge assembly 100 is provided in a water purifier, will be described with reference to fig. 1 to 8.

As shown in fig. 1 and 2, a filter element assembly 100 according to an embodiment of the present invention includes: a filter cartridge 10, a filter element 20, and a connector. The filter cartridge 10 provides an installation space for the filter element 20, the filter element 20 is installed in the filter cartridge 10, the connecting piece can play a connecting role, so that the water paths between the filter elements 20 can be communicated with each other, for example, the connecting piece can be a water path board 30, the water path board 30 is provided with a water flow channel to assist the filter element 20 to filter tap water, the filter element 20 can remove solid particles in water, kill bacteria, filter harmful chemical components and the like, and therefore clean and healthy drinking water is provided for users.

As shown in fig. 4, a plurality of accommodating chambers 11 are defined in the filter cartridge 10, an axial direction of the plurality of accommodating chambers 11 is a first direction, and an interval direction is a second direction, the first direction and the second direction are vertically arranged, the plurality of accommodating chambers 11 are communicated with each other, and the plurality of filter elements 20 are respectively arranged in the plurality of accommodating chambers 11. The first direction is the up-down direction shown in fig. 1, and the second direction is the left-right direction shown in fig. 1. In this way, the filter cartridge 10 can be formed into a substantially rectangular parallelepiped shape, i.e. a flat structure, so that the volume of the space occupied by the filter cartridge 10 is small, and the space required by the corresponding installed filter cartridge 10 is also small, thereby providing a good use experience for users. In addition, compared with the traditional mode that each filter element is independently provided with the filter cartridge, the filter cartridge 10 of the present invention directly defines a plurality of chambers for placing the filter elements 20, and can place a plurality of filter elements 20 at the same time, so that the structure of the filter cartridge 10 is simpler.

Therefore, according to the utility model discloses filter element group 100, a plurality of filter cartridges 10 that hold chamber 11 have through the setting, can simplify the structure of straining a cartridge 10, can directly set up a plurality of chamber 11 that hold in straining a cartridge 10, correspondingly, it can hold a plurality of filter cores 20 to strain a cartridge 10, a plurality of modes that can adopt series connection and/or parallelly connected to communicate between holding the chamber 11, thereby filter element group 100's filtration mode can be richened, and can promote filter element group 100's filtration performance, and filter element group 100 that so sets up need not like traditional filter element group generally, set to longer cylindric, this filter element group 100 can be the cuboid generally, flat structure can be said yet, filter element group 100 structure that so sets up is small and exquisite, easy to assemble arranges.

According to an alternative embodiment of the present invention, as shown in fig. 1 and 6, at least two containing cavities 11 are connected in parallel. That is to say, a plurality of holding chambeies 11 can also adopt parallelly connected mode, and the filter core 20 in corresponding at least two holding chambeies 11 also belongs to parallel connection like this, can filter in step, can promote filtration efficiency like this, can further promote the play water efficiency of filter element subassembly 100. Correspondingly, the overall height of the filter element assembly 100 can be reduced by the parallel connection mode, and the water outlet efficiency can be improved while the miniaturization design is realized.

As shown in fig. 1 and 6, the plurality of accommodating chambers 11 defined by the filter cartridge 10 include a first accommodating chamber 111, a second accommodating chamber 112, and a third accommodating chamber 113 arranged in sequence in the second direction, for example, the first accommodating chamber 111 and the second accommodating chamber 112 may be connected in parallel, the second accommodating chamber 112 and the third accommodating chamber 113 may be connected in parallel, and the first accommodating chamber 111 and the third accommodating chamber 113 may be connected in parallel. The first accommodating chamber 111 and the second accommodating chamber 112 are connected in parallel and then connected in series with the third accommodating chamber 113. The following description will be given taking an example in which the first accommodation chamber 111 and the second accommodation chamber 112 are connected in parallel.

The filter elements 20 in the accommodating cavities 11 connected in parallel are all filter elements 20 with the same filter material. Because the chamber 11 that holds of parallel connection carries out the primary filtration to the running water, so can place the same composite filter element of filter media with the chamber 11 that holds of parallel connection, wherein composite filter element is with the filter core of one kind or several kinds of independent function, according to needs scientific the set together, plays its effect simultaneously, can improve the effect of primary filtration like this.

From this, according to the utility model discloses filter element group spare 100 through setting up parallel connection's the chamber 11 that holds to and the correspondence sets up the same filter core 20 of filter media, can promote filtration efficiency, can be favorable to filter element group spare 100 miniaturized design, filter core 20 can further promote the filter effect moreover.

Alternatively, as shown in fig. 1 and 2, the filter cartridge 10 includes: a water inlet joint 14 and a water outlet joint 15, wherein the water inlet joint 14 is connected to the top of any one of the accommodating cavities 11, and the water outlet joint 15 is connected to the top of any one of the accommodating cavities 11. That is to say, a plurality of chambeies 11 that hold can communicate each other between, set up a water supply connector 14 and a water connectors 15 on a plurality of tops that hold in the chamber 11 like this can guarantee all the chamber 11 that hold the intaking and go out water, or, can guarantee that it has water to flow between all filter cores 20 to can obtain the pure water after the filtration. The water inlet connector 14 and the water outlet connector 15 thus provided can simplify the structure of the filter cartridge 10, and facilitate smooth water inlet and outlet of the plurality of accommodating chambers 11.

For example, the water inlet connector 14 may be disposed at the top of one accommodating chamber 11, and the water outlet connector 15 may be disposed at the top of the other accommodating chamber 11, that is, the filter cartridge assembly 100 may feed water at the top of one accommodating chamber 11, and may discharge water at the top of the other accommodating chamber 11. For another example, the water inlet joint 14 and the water outlet joint 15 may be disposed at the top of the same accommodating cavity 11, wherein the water inlet joint 14 and the water outlet joint 15 may be in a sleeving fit manner, the water inlet joint 14 may be sleeved on the water outlet joint 15, and the water outlet joint 15 may also be sleeved on the water inlet joint 14. That is to say, same chamber 11 that holds can correspond simultaneously and be provided with water supply connector 14 and water connectors 15, should hold chamber 11 and can advance water and go out water, can reduce like this and set up the connecting portion of connecting water supply connector 14 and water connectors 15 holding the 11 tops in chamber, reduces the manufacturing process who holds chamber 11, in addition, connects water supply connector 14 and water connectors 15 at the same top that holds chamber 11, can make filter element subassembly 100's structure compacter.

Further, as shown in fig. 6, each accommodating chamber 11 is correspondingly provided with a water inlet 114 and a water outlet 115. This ensures that the tap water in each receiving chamber 11 can be replaced, thereby ensuring that the filtration operation is continued. Correspondingly, as shown in fig. 6, water receiving nozzles 116 are disposed at the bottoms of the water inlet 114 and the water outlet 115. The water receiving nozzle 116 may be conveniently connected to a connector so that water passing through the water inlet 114 and the water outlet 115 may be rapidly circulated. That is, as shown in fig. 6, the bottom of each accommodating chamber 11 is provided with a water inlet 114 and a water outlet 115 for communicating with the other accommodating chambers. Furthermore, a connecting pipe 17 is arranged in the accommodating cavity 11 connected with the water outlet joint 15, and the connecting pipe 17 is communicated with the water outlet joint 15. It should be noted that the connecting member may be a device capable of draining water from the water inlet 114 and the water outlet 115.

It is understood that, as shown in fig. 6, the arrangement of the water inlet 114 and the water outlet 115 at the bottom of the accommodating chambers 11 is a prerequisite for ensuring the running of the tap water in each accommodating chamber 11. For example, the water filtered in the third receiving chamber 113 may flow out from the water outlet 115 of the third receiving chamber 113 and then flow into one end of the connection pipe 17 in the second receiving chamber 112, and the other end of the connection pipe 17 is connected to the water outlet connector 15. Wherein the connection pipe 17 is disposed such that the filtered pure water can flow out from the second accommodating chamber 112, thereby allowing the water inlet connector 14 and the water outlet connector 15 to be connected to the top of the same accommodating chamber 11.

Specifically, the second holds the chamber 112 and is located first hold between the chamber 111 and the third hold chamber 113, and water supply connector 14 and water outlet connector 15 all hold the top of chamber 112 corresponding to the second, and connecting pipe 17 sets up in second hold chamber 112, and second hold chamber 112 and first hold chamber 111 parallel connection after again with third hold chamber 113 series connection. The bottom of the second accommodating cavity 112 is provided with a through hole 119, and one end of the connecting pipe 17 penetrates through the through hole 119.

Therefore, by limiting the filter cartridge 10 to at least the first accommodating chamber 111, the second accommodating chamber 112 and the third accommodating chamber 113, the structure of the filter cartridge 10 can be smaller and the occupied space can be smaller while ensuring the effective filtering operation. The arrangement of the connecting pipe 17 can enable both the water inlet connector 14 and the water outlet connector 15 to be arranged at the top of the second accommodating cavity 112, so that the installation steps can be reduced, and the structure of the filter element assembly 100 is more compact. Hold chamber 112 and the first chamber 111 parallel connection that holds of second and the third again hold chamber 113 series connection, can also guarantee that the water after the prefiltering can hold chamber 113 in the third and filter meticulously when accelerating prefiltering speed to can obtain the pure water.

As shown in fig. 2, the plurality of filter elements 20 include a first filter element 21, a second filter element 22 and a third filter element 27, the first filter element 21, the second filter element 22 and the third filter element 27 are respectively disposed in the first accommodating cavity 111, the second accommodating cavity 112 and the third accommodating cavity 113, and the first filter element 21 and the second filter element 22 are filter elements with the same filter material. Wherein, because first holding chamber 111 and second holding chamber 112 are parallelly connected, so can place the same filter core 20 in first holding chamber 111 and second holding chamber 112, filter core 20 filter effect is better moreover, can accelerate the first filtration rate to the running water like this.

In the embodiment of the present invention, as shown in fig. 5 and 7, each filter element 20 separates the space of the accommodating chamber 11 into an unfiltered chamber portion and a filtered chamber portion, the unfiltered chamber portion of the first filter element 21 and the third filter element 27 corresponds to the water inlet 114 and the filtered chamber portion corresponds to the water outlet 115, the second accommodating chamber 112 corresponds to two water outlets 115, the two water outlets are the first water outlet 1151 and the second water outlet 1152, the unfiltered chamber portion of the second filter element 22 corresponds to the first water outlet 1151, and the filtered chamber portion of the second filter element 22 corresponds to the second water outlet 1152 and the through hole 119 for the connecting pipe 17 to pass through. That is to say, the inside running water that does not carry out the filtration for corresponding filter core 20 of unfiltered chamber portion, the inside water that has carried out the filtration for corresponding filter core 20 of filtered chamber portion, through set up water inlet 114 and delivery port 115 at unfiltered chamber portion and filtered chamber portion can make the water that corresponds the chamber portion circulate fast and filter, in addition, through setting up connecting pipe 17, can make the purified water after the purification also can outwards flow in holding chamber 11, and the water that holds chamber 11 (being the second in this process and holding chamber 112) does not have the cross, just so can reduce filter element group spare 100 set up the space, overall structure sets up rationally.

The construction and arrangement of the first cartridge 21, the second cartridge 22 and the third cartridge 27 will be described in detail below.

As shown in fig. 2, the first filter element 21 and the second filter element 22 are filter elements having the same filter material, and the third filter element 27 is a filter element different from the filter material of the first filter element 21. It can be understood that the first filter element 21 and the second filter element 22 are used for filtering tap water for the first time, and the third filter element 27 is used for filtering tap water for the second time, and harmful substances filtered in the tap water each time are not identical, so that the first filter element 21 and the third filter element 27 are arranged as different filter elements 20, so that water after two times of filtering can be purer.

As shown in fig. 2, the first filter cartridge 21 and the second filter cartridge 22 include: first filter media 23, second filter media 29, first end cap 24 and second end cap 25, first filter media 23 set up in holding chamber 11, and second filter media 29 sets up with first filter media 23 at the axial interval that holds chamber 11, and first end cap 24 seals and sets up in the top of first filter media 23, and second end cap 25 sets up and has seted up limbers 262 between first filter media 23 and second filter media 29. Can fix first filter core 21 and second filter core 22 through first end cover 24 and the second end cover 25 that sets up, first filter media 23 and second filter media 29 are setting at the axial interval that holds chamber 11, can make the running water that holds in the chamber 11 can filter through first filter media 23 and second filter media 29. The first filter element 21 and the second filter element 22 are hollow cylinders, tap water outside the first filter element 21 and the second filter element 22 can permeate into the first filter element 21 and the second filter element 22 through the first filter element 21 and the second filter element 22, and then the tap water filtered by the first filter element 23 can flow into the second filter element 29 through the water through hole 262 on the second end cover 25 because the second end cover 25 is provided with the water through hole 262. So, first filter core 21 and second filter core 22 can filter simultaneously, can double and promote filtration efficiency, can improve filter element group spare 100's filtration efficiency, and first end cover 24 and second end cover 25 can effectively guarantee that the installation of first filter media 23 is fixed moreover, can guarantee its stability in holding chamber 11. The water outlet connector 15 is disposed on the first end cap 24 at the top in the second accommodating cavity 112, the water outlet connector 15 is communicated with the first end cap 24, and the connecting pipe 17 passes through the first end cap 24 at the top and is communicated with the water outlet connector 15. The connecting pipe 17 thus provided can ensure the installation stability thereof through the first end cover 24, and can ensure the reliability of water outlet through the connection thereof with the water outlet joint 15.

Specifically, as shown in fig. 2, the first filter cartridge 21 and the second filter cartridge 22 further include: the inner pipe 26, the inner pipe 26 is disposed in the first filter 23, the top of the inner pipe 26 is provided with a water inlet 261, and the bottom of the inner pipe 26 corresponds to the water through 262.

Specifically, after the tap water enters the second accommodating cavity 112 from the water inlet joint 14, a part of the tap water enters from the water inlet 261 at the top of the inner through pipe 26 after being filtered by the first filter material 23 and the second filter material 29 in the second accommodating cavity 112, then passes through the water through hole 262 below the inner through pipe 26, finally flows out from the second water outlet 1152 of the second accommodating cavity 112, meanwhile, another part of the tap water flows out from the first water outlet 1151 of the unfiltered cavity part of the second accommodating cavity 112, enters the first accommodating cavity 111 through the water inlet 114 of the first accommodating cavity 111, then passes through the water through hole 261 at the top of the inner through pipe 26 after being filtered by the first filter element 21, then passes through the water through hole 262 below the inner through pipe 26, finally flows out from the water outlet 115 of the first accommodating cavity 111, the tap water flowing out from the water outlet 115 of the first accommodating cavity 111 and the second water outlet 1152 of the second accommodating cavity 112 gathers, and then enters the third accommodating cavity 113 through the water inlet 114 of the third accommodating cavity 113, so that the secondary filtration is performed in the third receiving chamber 113. The tap water flowing out of the water outlet 115 of the third accommodating chamber 113 flows into the connecting pipe 17 in the second accommodating chamber 112, and then flows out of the water outlet connector 15 through the connecting pipe 17 for the user to use.

In detail, the connection pipe 17 is formed with a water outlet passage, and the connection pipe 17 is connected to the water outlet joint 15. That is, tap water can flow through the connection pipe 17, so that contamination of filtered tap water by unfiltered tap water can be avoided.

Further, as shown in fig. 2, the third filter element 27 includes: third filter 271, fourth filter 272, third end cap 273, fourth end cap 274, and fifth end cap 275. Third filter media 271 and fourth filter media 272 set up at the axial interval that holds chamber 11, and third end cover 273 sets up respectively in the top of third filter media 271, and fourth end cover 274 sets up and communicates both sides between third filter media 271 and fourth filter media 272, and fifth end cover 275 sets up in the bottom of fourth filter media 272 and has seted up limbers 262. Wherein the fourth end cap 274 is provided with a cylinder, the center of the third filter material 271 is a hollow cylinder, and the cylinder is matched with the hollow cylinder, so that the fourth end cap 274 can fix the third filter material 271, and then the third end cap 273 and the fifth end cap 275 can fix the third filter material 271 and the fourth filter material 272, thereby forming the third filter element 27. Third filter media 271 and fourth filter media 272 that so set up can filter the water in the third holds chamber 113 respectively, supply each other to can effectively guarantee the quality of water of pure water, can promote filter element group spare 100 filtering performance.

Specifically, as shown in fig. 2, the inside of the cylinder on the fourth end cap 274 is hollow, one side of the cylinder is an open side, a water inlet hole 261 is formed in the cylinder, water flowing from the water inlet 114 of the third accommodating cavity 113 flows into the fourth filter 272 after being filtered by the third filter 271; the other part is filtered by the fourth filter material 272, collected and flows out from the water outlet 115 of the third accommodating cavity 113.

More specifically, as shown in fig. 2, each of the first filter medium 23 of the first filter element 21 and the second filter element 22 includes a carbon layer and a PP layer, the PP layer is axially spaced apart from the carbon layer, and the PP layer is located above the carbon layer, and the third filter medium 271 of the third filter element 27 includes: the carbon rod layer, the fourth filter 272 includes: the ultrafiltration layer, the carbon rod layer and the ultrafiltration layer are axially arranged at intervals. The carbon layer and the PP layer can also be distributed in a non-axial mode or a radial mode, and the PP layer can also be sleeved on the outer side of the carbon layer.

Wherein, the PP layer can be the polypropylene ethylene short fiber, the iron rust in the tap water is mainly used to filter in the PP layer, the red worm and the particle impurity that is greater than 5 microns, the carbon-layer is an active carbon, the carbon-layer has the ability of adsorbing organic compound, can effectively exert dechlorination, deodorization and the function of removing the flavor, so on first filter core 21's setting, can be located the top of carbon-layer with the PP layer, can make the tap water filter the back through the carbon-layer again earlier through the PP layer like this, the filter effect is better like this. In addition, the carbon rod layer may be activated carbon, the carbon rod layer may be used to re-filter the tap water filtered by the first filter element 21 and the second filter element 22 to remove the abnormal color, the odor, the organic chemical substances, etc. in the tap water, and the ultrafiltration layer may be used to re-filter the tap water filtered by the carbon rod layer to remove the smaller-sized particles and the harmful substances in the tap water.

From this, a plurality of filter cores of so combination can obtain the pure water through after filtering many times to satisfy user's drinking water demand. And because carbon rod layer and ultrafiltration layer axial interval set up, partly water can filter through the carbon rod layer like this, partly water can filter through the ultrafiltration layer, and wherein the filtration efficiency on carbon rod layer is higher than the filtration on ultrafiltration layer, can effectively guarantee the supply of pure water, can satisfy user's drinking water demand better.

In the embodiment of the present invention, the first filter 23 is a foldable filter. Since the first filter 21 and the second filter 22 are cylindrical, the first filter 23 can be formed easily by selecting the filter to be foldable.

As shown in fig. 7, each accommodating cavity 11 is provided with a first limiting portion (not shown), each filter element 20 is provided with an end cover, the end cover is provided with a second limiting portion 28, and the first limiting portion is circumferentially and limitedly matched with the second limiting portion 28. The first limiting portion can be a cylindrical groove, the second limiting portion 28 can be a cylindrical protrusion, and the first limiting portion and the second limiting portion 28 can be provided with a plurality of corresponding limiting portions, so that the circumferential limiting effect is better.

The structure and operation of the water passage plate 30 will be described in detail below.

As shown in fig. 2, the filter cartridge assembly 100 includes a waterway plate 30, and the waterway plate 30 is disposed in the filter cartridge 10 and is respectively communicated with the water inlet 114 and the water outlet 115 of each receiving cavity 11. This allows each of the receiving chambers 11 to communicate with each other, thereby ensuring that the filter cartridge 20 performs a filtering operation. For example, the waterway plate 30 may be disposed at the bottom of the filter cartridge 10. The water channel plate 30 is one of the connectors, and of course, a water pipe structure may be adopted as the connector instead of the water channel plate 30.

Specifically, as shown in fig. 2, the filter cartridge 10 includes: barrel 12 and bottom lid 13, the bottom of barrel 12 is provided with holding tank 123, and water route board 30 is installed in holding tank 123, and holding tank 123 opens towards the bottom, and bottom lid 13 closing cover is in the open side of holding tank 123. Install water route board 30 in holding tank 123, can avoid water route board 30 to occupy more spaces to can make filter element group spare 100's structure compacter, can improve filter element group spare 100's integrated level.

Specifically, as shown in fig. 8, a first channel 31, a second channel 32 and a third channel 33 are formed in the waterway plate 30, the first channel 31 has a first water inlet hole 311 and a first water outlet hole 312, the second channel 32 has a second water inlet hole 321 and a second water outlet hole 322, the second water inlet hole 321 includes two, the third channel 33 has a third water inlet hole 331 and a third water outlet hole 332, one of the first water outlet hole 312 and the two second water inlet holes 321 forms a group of water gaps corresponding to the filter element 20, one of the first water inlet hole 311, the two second water inlet holes 321 and the third water outlet hole 332 forms another group of water gaps corresponding to the filter element 20, and the second water outlet hole 322 and the third water inlet hole 331 form another group of water gaps corresponding to the filter element 20.

It can be understood that the first channel 31, the second channel 32 and the third channel 33 are arranged on the waterway plate 30, so that the use of pipeline connection can be avoided, the production cost can be reduced, in addition, the pipeline connection installation is complicated, and the waterway plate 30 is adopted, so that convenience can be provided for installation work. The water channel plate 30 arranged in this way can effectively ensure that two accommodating cavities 11 are connected in parallel and then connected in series with another accommodating cavity 11.

The running direction of the tap water in the waterway plate 30 is described in detail below.

As shown in fig. 8, when the tap water flows from the water inlet joint 14 into the second accommodating chamber 112, a part of the tap water flows directly from the first water outlet 1151 of the second accommodating chamber 112 into the first water inlet 311 of the first channel 31 without being filtered, flows through the first channel 31 and then flows from the first water outlet 312 into the first accommodating chamber 111, flows through the second water inlet 321 of the second channel 32 into the second channel 32 after being filtered in the first accommodating chamber 111, and simultaneously, another part of the tap water flows through the second water outlet 1152 after being filtered in the second accommodating chamber 112, then flows through the second water inlet 321 of the second channel 32 into the second channel 32, flows through the second water outlet 322 of the second channel 32 into the third accommodating chamber 113, flows through the third channel 331 of the third channel 33 into the third channel 33 after being filtered in the third accommodating chamber 113, and flows from the third channel 332 of the third channel 33 to the connecting pipe 17 located in the second accommodating chamber 112, and finally flows out of the water outlet joint 15.

More specifically, as shown in fig. 8, the longitudinal direction of the first passage 31, the longitudinal direction of the second passage 32, and the longitudinal direction of the third passage 33 are arranged in parallel. The first channel 31, the second channel 32 and the third channel 33 are horizontally arranged in the length direction, on one hand, the horizontal arrangement can enable the flow rate of the internal water flow to be faster, and on the other hand, the horizontal arrangement can enable the shape of the waterway plate 30 to be matched with the shape of the filter cartridge 10, and the waterway plate 30 can be conveniently installed in the cylinder 12. The length direction of the first passage 31 is the same as the width direction of the filter element 20.

Further, as shown in fig. 8, the first passage 31 and the third passage 33 are located on the same side of the second passage 32. The center axis of the second channel 32 coincides with the widthwise center line of the waterway plate 30, so that the structural stability of the waterway plate 30 can be improved. It will be appreciated that the longer length of the second channel 32, with the first channel 31 and the third channel 33 being disposed on the same side, facilitates the arrangement of the three channels, and thus facilitates the abutting communication of the third channel 33 with the connector 17.

In detail, as shown in fig. 8, the axes of the first inlet hole 311, the first outlet hole 312, the second inlet hole 321, the second outlet hole 322, the third inlet hole 331 and the third outlet hole 332 are parallel to each other, and are also parallel to the thickness direction of the waterway plate 30. Thus, the first water inlet hole 311, the first water outlet hole 312, the second water inlet hole 321, the second water outlet hole 322, the third water inlet hole 331 and the third water outlet hole 332 are simultaneously connected with the water receiving nozzle 116 on each accommodating cavity 11, and the water receiving nozzle 116 on each accommodating cavity 11 can be correspondingly matched in the water inlet holes or the water outlet holes.

In more detail, as shown in fig. 8, the first water inlet hole 311, the first water outlet hole 312, the second water inlet hole 321, the second water outlet hole 322, the third water inlet hole 331 and the third water outlet hole 332 are configured as insertion holes. That is to say, the first water inlet hole 311, the first water outlet hole 312, the second water inlet hole 321, the second water outlet hole 322, the third water inlet hole 331 and the third water outlet hole 332 are connected with the water receiving nozzle 116 of each accommodating cavity 11 in an inserting manner, the inserting holes are easy to process, and the inserting manner is reliable and convenient. In addition, in order to ensure the sealing performance of the plug-in unit, a sealing ring can be arranged on the plug-in connector, so that the water seepage of the plug-in part can be avoided.

As shown in fig. 8, the first, second and third passages 31, 32 and 33 are each provided with an open end 34, and a plug 341 is provided at the open end 34. If the filter element 20 is failed and not replaced in time, the first channel 31, the second channel 32 and the third channel 33 may be blocked by impurities in water under the condition of long-time use, the first channel 31, the second channel 32 and the third channel 33 can be conveniently dredged by arranging the open side at the end parts of the first channel 31, the second channel 32 and the third channel 33, and the plug 341 matched with the open end can be blocked after the dredging is finished, so that the maintenance is convenient, and the service life of the filter cartridge 10 can be prolonged. Moreover, the plug 341 can facilitate the production of the water passage plate 30.

In addition, as shown in fig. 8, a plurality of mounting holes 35 are distributed on the waterway plate 30, and since tap water in the filter cartridge 10 generates pressure on the waterway plate 30, in order to stably fit the waterway plate 30 with the accommodating cavity 11, nuts can be mounted through the mounting holes 35 and the mounting screw holes 118 on the accommodating cavity 11, so that the fitting degree of the waterway plate 30 with the accommodating cavity 11 can be improved.

In the embodiment of the present invention, the water path plate 30 is an integrally formed plate structure. The integrated forming structure is simple, reliable and easy to process, thereby reducing the production cost.

The specific structure of the filter cartridge 10 according to the present invention will be described in detail.

As shown in fig. 4, the filter cartridge 10 includes a cartridge body 12, the cartridge body 12 includes an outer casing 121 and a plurality of inner cylinders 122, the plurality of inner cylinders 122 respectively define accommodating cavities 11 therein, and the outer casing 121 covers the outer sides of the plurality of inner cylinders 122 and is integrally formed with the plurality of inner cylinders 122. It can be understood that, as shown in fig. 4, the number of the inner cylinders 122 corresponds to the number of the receiving chambers 11, and the three inner cylinders 122 are covered by the outer cover 121, so that the three inner cylinders 122 can be stably and fixedly connected. In addition, the outer casing 121 and the three inner casings are integrally formed, so that the processing is convenient, the assembly steps can be reduced due to the integrally formed structure, and the structure is more stable.

Specifically, as shown in fig. 4, the inner cylinder 122 is provided as a hollow cylindrical shape, and both end portions of the outer housing 121 in the second direction are arc-shaped structures to be engaged with the inner cylinders 122 located at both ends in the second direction. Since the filter element 20 is a cylinder, the inner cylinder 122 is hollow and cylindrical, so that the filter element 20 can be conveniently placed. In addition, two end portions of the outer housing 121 in the second direction are arranged to be arc-shaped structures, so that the outer housing 121 can be better matched with the inner cylinder 122, the structure of the outer housing 121 can be more stable due to the arc-shaped structures, and the filter cartridge 10 can be flat due to the arc-shaped structures, so that the structure of the filter cartridge 10 is more stable.

In an embodiment of the present invention, as shown in fig. 2, the filter cartridge 10 further includes: the top cover 18 and the sealing cover 16, the sealing cover 16 is sealed on the top of the containing cavity 11 which is not provided with the water inlet joint 14, the top cover 18 is covered on the top of the cylinder body 12, and the water inlet joint 14 and the water outlet joint 15 penetrate through the top cover 18. Utilize sealed lid 16 to holding chamber 11 to seal, can avoid holding the running water in the chamber 11 and spill over, in addition, after to holding chamber 11 and seal the processing, in order to make sealed lid 16 seal holding chamber 11 steadily, can fix sealed lid 16 through top cap 18, in addition, still be equipped with the circular port on the top cap 18 to supply water supply connector 14 and water outlet connector 15 to place.

Specifically, as shown in fig. 2, the number of the sealing covers 16 is two, and the two sealing covers 16 are sealed at the tops of the first accommodating chamber 111 and the third accommodating chamber 113, respectively. Because the top of the first accommodating cavity 111 and the third accommodating cavity 113 is not provided with a water passage, the top of the first accommodating cavity 111 and the top of the third accommodating cavity 113 can be covered by the sealing cover 16, on one hand, liquid can be prevented from overflowing from the accommodating cavity 11, and on the other hand, tap water in the accommodating cavity 11 can be prevented from being secondarily polluted.

In some embodiments of the present invention, as shown in fig. 1, the bottom of each accommodating chamber 11 is provided with a limiting portion 117 for limiting the filter element 20. It can be understood that, when the filter element 20 is placed in the accommodating cavity 11, the filter element 20 needs to be limited, so that the filter element 20 is prevented from loosening in the water flow and the filtering effect of the filter element 20 is prevented from being reduced.

Specifically, as shown in fig. 1, the limiting portion 117 is circular, and the water inlet 114 and the water outlet 115 are distributed on two sides of the limiting portion 117. This makes filtered tap water flow out from the water outlet 115 and simultaneously makes tap water flowing into the accommodating chamber 11 from the water inlet 114 complement in time.

In the embodiment of the present invention, as shown in fig. 4 and 6, the number of the accommodating cavities 11 may be three, and the heights of the three accommodating cavities 11 are the same. Because three hold the chamber 11 and communicate each other, set up same height with three chamber 11 that holds, can make every liquid pressure that holds in the chamber 11 equal to can avoid appearing one and hold the liquid level that the chamber 11 is higher than other liquid levels that hold the chamber 11, and the running water that makes flows into fast in the chamber 11 that holds of low liquid level, leads to filter element 20's filter effect to descend.

According to the utility model discloses a water purifier includes foretell filter element group spare 100, has the utility model discloses the water purifier of filter element group spare 100 of embodiment, its structure is compacter, and shared space is less, can save more spaces for the user to can improve the user and use experience and feel.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. In the description of the present invention, "a plurality" means two or more. In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween. In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (12)

1. A filter element assembly, comprising:

the filter cartridge is internally provided with a plurality of accommodating cavities which are communicated with each other and at least two of which are connected in parallel, and the filter cartridge is cuboid;

a plurality of filter cores, it is a plurality of the filter core sets up respectively in a plurality of hold the intracavity, two of parallel connection the filter core that holds the chamber is the filter core that the filter media is the same.

2. The filter element assembly according to claim 1, wherein the plurality of accommodating chambers comprise a first accommodating chamber, a second accommodating chamber and a third accommodating chamber, the second accommodating chamber is located between the first accommodating chamber and the third accommodating chamber, the first accommodating chamber and the second accommodating chamber are connected in series with the third accommodating chamber after being connected in parallel, the plurality of filter elements comprise a first filter element, a second filter element and a third filter element, the first filter element, the second filter element and the third filter element are respectively arranged in the first accommodating chamber, the second accommodating chamber and the third accommodating chamber, and the first filter element and the second filter element are the same filter element of filter material.

3. The filter element assembly according to claim 2, wherein the first and second filter elements comprise:

the first filter material is arranged in the accommodating cavity;

the second filter material and the first filter material are arranged at intervals in the axial direction of the accommodating cavity;

the first end cover is arranged at the top of the first filter material in a sealing mode;

and the second end cover is arranged between the first filter material and the second filter material and is provided with a limber hole.

4. The filter element assembly according to claim 3, wherein the first filter element and the second filter element further comprise: the inner through pipe is arranged in the first filter material, a water inlet hole is formed in the top of the inner through pipe, and the bottom of the inner through pipe corresponds to the water through hole.

5. The filter element assembly according to claim 3, wherein the third filter element comprises:

a third filter material;

the third filter material and the fourth filter material are arranged at intervals in the axial direction of the accommodating cavity;

the third end covers are respectively arranged at the tops of the third filter materials;

the fourth end cover is arranged between the third filter material and the fourth filter material and is communicated with the two sides;

and the fifth end cover is arranged at the bottom of the fourth filter material and is provided with a limber hole.

6. The filter element assembly of claim 5, wherein the first filter comprises a carbon layer and a PP layer, the PP layer being axially spaced from the carbon layer, the third filter comprising: the charcoal stick layer, the fourth filter media includes: and (4) an ultrafiltration layer.

7. The filter element assembly according to claim 3, further comprising: the water inlet joint is arranged on the first end cover positioned at the top in the second accommodating cavity, and the water inlet joint is sleeved on the water outlet joint and communicated with the second accommodating cavity.

8. The filter element assembly according to claim 7, wherein a connecting pipe passes through the first filter material in the second containing cavity, and the connecting pipe passes through the first end cover at the top and is communicated with the water outlet joint.

9. The filter element assembly according to claim 1, further comprising: the water channel plate is arranged at the bottom of the filter cylinder and is respectively communicated with each accommodating cavity.

10. The filter element assembly according to claim 9, wherein said filter cartridge comprises: the bottom of the barrel is provided with a containing groove, the water path plate is installed in the containing groove, and the bottom cover is covered on the open side of the containing groove.

11. The filter element assembly according to claim 1, wherein said filter cartridge comprises: a barrel, the barrel comprising: the outer cover shell and a plurality of inner tubes, it is a plurality of inject respectively in the inner tube hold the chamber, the outer cover shell cover is located a plurality of the outside of inner tube and with it is a plurality of the inner tube is the integrated into one piece structure.

12. A water purifier characterized by comprising the filter element assembly of any one of claims 1-11.

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