CN111606443A - Filter assembly and water purifier - Google Patents

Abstract

The invention discloses a filter element assembly, comprising: a filter cartridge and a plurality of filter elements. A plurality of accommodating cavities are defined in the filter cartridge, a plurality of the accommodating cavities are connected and at least two accommodating cavities are connected in parallel, a plurality of filter elements are respectively arranged in the plurality of accommodating cavities, and the filter elements of the two accommodating cavities connected in parallel are both. Filters with the same filter material. The filter cartridge of the filter element assembly directly defines a plurality of accommodating cavities for placing the filter element in the cylinder, and the accommodating cavities are connected with each other, and at least two accommodating cavities are connected in parallel, so that the filtration efficiency of tap water in the accommodating cavity can be accelerated. Placing composite filter elements in parallel-connected accommodating cavities can improve filtration quality.

Description

Filter assembly and water purifier

technical field

The invention relates to the technical field of water purification equipment, in particular to a filter element assembly and a water purifier.

Background technique

With the development of science and technology and the improvement of people's living standards, water purifiers have been recognized for their advantages of purifying users' water, improving the purity of users' water, and making users' water more healthy, and have been widely promoted and applied.

In the related art, water purifiers generally include multiple filter elements and filter cartridges, and the filtration of tap water by the water purifier is also performed step by step. filter quality.

SUMMARY OF THE INVENTION

The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, an object of the present invention is to provide a filter element assembly, which can improve the filtration rate and filtration quality.

The filter element assembly according to the embodiment of the present invention includes: a filter cartridge and a plurality of filter elements, the filter cartridge defines a plurality of accommodating cavities, the plurality of accommodating cavities are connected and at least two of the accommodating cavities are connected in parallel, and a plurality of the accommodating cavities are connected in parallel. The filter elements are respectively arranged in the plurality of accommodating cavities, and the filter elements of the two accommodating cavities connected in parallel are all filter elements with the same filter material.

Therefore, the filter cartridge of the filter element assembly directly defines a plurality of accommodating cavities for placing the filter element in the cylinder, and the accommodating cavities are connected with each other, and at least two accommodating cavities are connected in parallel, so that the filtration efficiency of the tap water in the accommodating cavity can be accelerated, In addition, placing composite filter elements in parallel-connected accommodating cavities can improve the filtration quality.

According to some embodiments of the present invention, the plurality of accommodating cavities include a first accommodating cavity, a second accommodating cavity and a third accommodating cavity, and the second accommodating cavity is located in the first accommodating cavity and the third accommodating cavity between, the first accommodating cavity and the second accommodating cavity are connected in parallel and then connected in series with the third accommodating cavity, the plurality of filter elements include a first filter element, a second filter element and a third filter element, the first filter element A filter element, the second filter element and the third filter element are respectively disposed in the first accommodating cavity, the second accommodating cavity and the third accommodating cavity, the first filter element and the second filter element are It is the same filter element as the filter material.

According to some embodiments of the present invention, the first filter element and the second filter element include: a first filter material, the first filter material is disposed in the accommodating cavity; a second filter material, the second filter material The first filter material and the first filter material are arranged at an axial interval in the accommodating cavity; the first end cover, the first end cover is sealed on the top of the first filter material; the second end cover, the first end cover The two end caps are arranged between the first filter material and the second filter material and are provided with water through holes.

According to some embodiments of the present invention, the first filter element and the second filter element further comprise: an inner through pipe, the inner through pipe is arranged in the first filter material, and the top of the inner through pipe is provided with a The water inlet hole and the bottom correspond to the water passage hole.

According to some embodiments of the present invention, the third filter element includes: a third filter material; a fourth filter material, wherein the third filter material and the fourth filter material are arranged at intervals in the axial direction of the accommodating cavity; Three end caps, the third end caps are respectively arranged on the top of the third filter material; the fourth end cap, the fourth end cap is arranged between the third filter material and the fourth filter material And the two sides are communicated; a fifth end cover, the fifth end cover is arranged on the bottom of the fourth filter material and is provided with a water passage hole.

According to some embodiments of the present invention, the first filter material includes a PP layer, the second filter material includes a carbon layer, the third filter material includes a carbon rod layer, and the fourth filter material includes a super filter layer.

According to some embodiments of the present invention, the first filter material is a foldable filter material.

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

According to some embodiments of the present invention, a connecting pipe is passed through the first filter material located in the second accommodating cavity, and the connecting pipe passes through the first end cap located at the top and communicates with the water outlet. connectors are connected.

According to some embodiments of the present invention, the filter element assembly further includes: a water channel plate, the water channel plate is disposed at the bottom of the filter cartridge and communicated with each of the accommodating chambers respectively.

According to some embodiments of the present invention, the filter cartridge comprises: a cylinder body and a bottom cover, the bottom of the cylinder body is provided with an accommodating groove, the water circuit board is installed in the accommodating groove, and the bottom cover covers the the open side of the receiving groove.

According to some embodiments of the present invention, the filter cartridge includes: a cylindrical body, the cylindrical body includes: an outer casing and a plurality of inner cylinders, the plurality of inner cylinders respectively define the accommodating cavity, and the outer casing The cover is arranged on the outer side of the plurality of inner cylinders and is integrally formed with the plurality of the inner cylinders.

The water purifier according to the embodiment of the present invention includes the filter element assembly.

Additional aspects and advantages of the present invention will be set forth, in part, from the following description, and in part will be apparent from the following description, or may be learned by practice of the invention.

Description of drawings

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

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

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

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

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

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

6 is a top view of a filter cartridge according to an embodiment of the present invention;

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

8 is a perspective view of a waterway plate according to an embodiment of the present invention.

Reference number:

filter element assembly 100;

filter cartridge 10;

accommodating cavity 11; first accommodating cavity 111; second accommodating cavity 112; third accommodating cavity 113; water inlet 114;

water outlet 115; first water outlet 1151; second water outlet 1152; water nozzle 116; limiter 117; mounting screw hole 118;

cylinder 12; outer casing 121; inner cylinder 122; accommodating groove 123;

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

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

Inner through pipe 26; water inlet hole 261; water through hole 262;

The third filter element 27; the third filter material 271; the fourth filter material 272;

The third end cap 273; the fourth end cap 274; the fifth end cap 275; the second limiting portion 28; the second filter material 29;

waterway board 30;

The first channel 31; the first water inlet hole 311; the first water outlet hole 312;

The second channel 32; the second water inlet hole 321; the second water outlet hole 322;

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

Open end 34; plug 341; mounting hole 35; sealing ring 36.

Detailed ways

The embodiments of the present invention will be described in detail below. The embodiments described with reference to the accompanying drawings are exemplary, and the embodiments of the present invention will be described in detail below.

The following describes a filter element assembly 100 according to an embodiment of the present invention with reference to FIGS. 1-8 . The filter element assembly 100 is provided in a water purifier.

As shown in FIGS. 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 setting of the filter element 20. The filter element 20 is installed in the filter cartridge 10, and the connecting piece can play a connecting role, so that the water paths between the filter elements 20 can be connected to each other. For example, the connecting piece can be a water path. The board 30, the waterway board 30 has a water flow channel to assist the filter element 20 to filter the tap water. The filter element 20 can remove solid particles in the water, kill bacteria, filter out harmful chemical components, etc., so as to provide users with cleaner and healthier drinking water .

As shown in FIG. 4, the filter cartridge 10 defines a plurality of accommodating cavities 11, the axial direction of the plurality of accommodating cavities 11 is the first direction, and the interval direction is the second direction, the first direction and the second direction are vertically arranged, The plurality of accommodating cavities 11 communicate with each other, and the plurality of filter elements 20 are respectively disposed in the plurality of accommodating cavities 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, that is, a flat structure, so that the space occupied by the filter cartridge 10 is smaller, and the space required for the installed filter cartridge 10 is also smaller, thereby giving Users bring a good sense of use experience. In addition, compared with the traditional way of setting a filter cartridge separately for each filter element, the filter cartridge 10 of the present invention directly defines a plurality of chambers for placing the filter element 20, and multiple filter elements 20 can be placed at the same time, so that the structure of the filter cartridge 10 is Simpler.

Therefore, according to the filter element assembly 100 according to the embodiment of the present invention, the structure of the filter cartridge 10 can be simplified by arranging the filter cartridge 10 having a plurality of accommodating cavities 11 , and a plurality of accommodating cavities 11 can be directly arranged in the filter cartridge 10 , correspondingly , the filter cartridge 10 can accommodate multiple filter elements 20, and the multiple accommodating cavities 11 can be connected in series and/or in parallel, so that the filtering methods of the filter element assembly 100 can be enriched, and the filtration performance of the filter element assembly 100 can be improved, Moreover, the filter element assembly 100 provided in this way does not need to be arranged in a long cylindrical shape like a traditional filter element assembly. The filter element assembly 100 can be generally rectangular, or it can be said to have a flat structure. Easy to install and arrange.

According to an optional embodiment of the present invention, as shown in FIG. 1 and FIG. 6 , at least two accommodating cavities 11 are connected in parallel. That is to say, the multiple accommodating cavities 11 can also be connected in parallel, so that the filter elements 20 in the corresponding at least two accommodating cavities 11 are also connected in parallel and can be filtered synchronously, which can improve the filtration efficiency and further improve the The water output efficiency of the filter element assembly 100. Correspondingly, the parallel connection can reduce the overall height of the filter element assembly 100 , which can facilitate the realization of miniaturized design and improve the water output efficiency.

As shown in FIG. 1 and FIG. 6 , the plurality of accommodating cavities 11 defined by the filter cartridge 10 include a first accommodating cavity 111 , a second accommodating cavity 112 and a third accommodating cavity 113 arranged in sequence in the second direction. The first accommodating cavity 111 and the second accommodating cavity 112 are connected in parallel, the second accommodating cavity 112 and the third accommodating cavity 113 can also be connected in parallel, and the first accommodating cavity 111 and the third accommodating cavity 113 can also be connected in parallel connect. The first accommodating cavity 111 and the second accommodating cavity 112 are connected in parallel and then connected in series with the third accommodating cavity 113 . The following description will be given by taking the parallel connection of the first accommodating cavity 111 and the second accommodating cavity 112 as an example.

The filter elements 20 in the accommodating chambers 11 connected in parallel are all filter elements 20 with the same filter material. Since the parallel-connected accommodating chambers 11 perform primary filtration of tap water, the parallel-connected accommodating chambers 11 can be placed in a composite filter element with the same filter material. together, and play their role at the same time, which can improve the effect of the primary filtration.

Therefore, according to the filter element assembly 100 according to the embodiment of the present invention, the accommodating cavity 11 connected in parallel is provided, and the filter element 20 with the same filter material is arranged correspondingly, so that the filtration efficiency can be improved, which can be beneficial to the miniaturized design of the filter element assembly 100, and the filter element 20 can further improve the filtering effect.

Optionally, as shown in FIG. 1 and FIG. 2 , the filter cartridge 10 includes: a water inlet joint 14 and a water outlet joint 15, the water inlet joint 14 is connected to the top of any one of the accommodating chambers 11, and the water outlet joint 15 is connected to any one of the The top of the accommodating cavity 11 . That is to say, the plurality of accommodating cavities 11 can be communicated with each other, so that a water inlet joint 14 and a water outlet joint 15 are arranged on the top of the plurality of accommodating cavities 11 to ensure the water inlet and outlet of all the accommodating cavities 11. In other words, water can be guaranteed to flow between all the filter elements 20, so that filtered pure water can be obtained. The water inlet joint 14 and the water outlet joint 15 arranged in this way can simplify the structure of the filter cartridge 10 and facilitate the smooth water inlet and outlet of the plurality of accommodating cavities 11 .

For example, the water inlet joint 14 can be arranged on the top of one accommodating cavity 11, and the water outlet joint 15 can be arranged on the top of another accommodating cavity 11, that is, the filter element assembly 100 can enter water at the top of one accommodating cavity 11, and can The water exits at the top of the other accommodating cavity 11 . For another example, the water inlet joint 14 and the water outlet joint 15 can be arranged on the top of the same accommodating cavity 11 , wherein the water inlet joint 14 and the water outlet joint 15 can be sleeved and matched, and the water inlet joint 14 can be sleeved on the water outlet. On the joint 15, the water outlet joint 15 can also be sleeved on the water inlet joint 14. That is to say, the same accommodating cavity 11 can be correspondingly provided with a water inlet joint 14 and a water outlet joint 15 at the same time, and the accommodating cavity 11 can carry out water inflow and water outflow, which can reduce the installation of the water inlet joint 14 and the water outlet on the top of the accommodating cavity 11 The connection part of the joint 15 reduces the manufacturing process of the accommodating cavity 11. In addition, connecting the water inlet joint 14 and the water outlet joint 15 to the top of the same accommodating cavity 11 can make the structure of the filter element assembly 100 more compact.

Further, as shown in FIG. 6 , each accommodating cavity 11 is correspondingly provided with a water inlet 114 and a water outlet 115 . In this way, it can be ensured that the tap water of each accommodating cavity 11 can be replaced, so as to ensure the continuous progress of the filtering work. Correspondingly, as shown in FIG. 6 , the bottoms of the water inlet 114 and the water outlet 115 are provided with water receiving nozzles 116 . The provision of the water receiving nozzle 116 can facilitate the connection with the connecting piece, so that the water passing through the water inlet 114 and the water outlet 115 can quickly circulate. That is, as shown in FIG. 6 , the bottom of each accommodating cavity 11 is provided with a water inlet 114 and a water outlet 115 for communicating with other accommodating cavities. Moreover, 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 connector may be a device capable of draining the water flowing out of the water inlet 114 and the water outlet 115 .

It can be 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 cavity 11 is a prerequisite for ensuring that the tap water in each accommodating cavity 11 can circulate. For example, the water filtered in the third accommodating cavity 113 may flow out from the water outlet 115 of the third accommodating cavity 113, and then flow into one end of the connecting pipe 17 in the second accommodating cavity 112, and the other end of the connecting pipe 17 is connected to the The water outlet connector 15 is connected. The connection pipe 17 is arranged so that filtered pure water can flow out from the second accommodating cavity 112 , so that the water inlet joint 14 and the water outlet joint 15 are connected to the top of the same accommodating cavity 11 .

Specifically, the second accommodating cavity 112 is located between the first accommodating cavity 111 and the third accommodating cavity 113 , the water inlet joint 14 and the water outlet joint 15 are both corresponding to the top of the second accommodating cavity 112 , and the connecting pipe 17 is provided in the second accommodating cavity 112 . The cavity 112, the second accommodating cavity 112 and the first accommodating cavity 111 are connected in parallel and then connected in series with the third accommodating cavity 113. The bottom of the second accommodating cavity 112 is provided with a through hole 119 , and one end of the connecting pipe 17 passes through the through hole 119 .

Therefore, by restricting the filter cartridge 10 to at least the first accommodating cavity 111, the second accommodating cavity 112 and the third accommodating cavity 113, the structure of the filter cartridge 10 can be made more compact under the premise of ensuring the effective filtering operation. Take up less space. Through the arrangement of the connecting pipe 17, both the water inlet joint 14 and the water outlet joint 15 can be arranged on the top of the second accommodating cavity 112, which can reduce installation steps and make the structure of the filter element assembly 100 more compact. Connecting the second accommodating cavity 112 and the first accommodating cavity 111 in parallel and then connecting them in series with the third accommodating cavity 113 can speed up the preliminary filtration speed and at the same time ensure that the preliminarily filtered water can be stored in the third accommodating cavity 113 Fine filtration is performed to obtain pure water.

Wherein, 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 , and 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, the first filter element 21 and the second filter element 22 are both filter elements with the same filter material. Among them, since the first accommodating cavity 111 and the second accommodating cavity 112 are connected in parallel, the same filter element 20 can be placed in the first accommodating cavity 111 and the second accommodating cavity 112, and the filter element 20 has a better filtering effect, which can speed up the adjustment of the filter element 20. Primary filtration rate of tap water.

In the embodiment of the present invention, as shown in FIG. 5 and FIG. 7 , each filter element 20 divides the space of the accommodating cavity 11 into an unfiltered cavity part and a filter cavity part, and the unfiltered parts of the first filter element 21 and the third filter element 27 are unfiltered. The cavity corresponds to the water inlet 114 and the filter cavity corresponds to the water outlet 115. The second accommodating cavity 112 corresponds to two water outlets 115. The two water outlets are respectively the first water outlet 1151 and the second water outlet 1152, and the second filter element. The unfiltered cavity portion of 22 corresponds to the first water outlet 1151 , and the filtered cavity portion of the second filter element 22 corresponds to the second water outlet 1152 and the perforation 119 through which the connecting pipe 17 passes. That is to say, the inside of the unfiltered cavity is the unfiltered tap water corresponding to the filter element 20, and the inside of the filtered cavity is the water that has been filtered corresponding to the filter element 20. The water inlet 114 and the water outlet are provided in the unfiltered cavity and the filtered cavity. 115 can make the water in the corresponding cavity circulate and filter quickly. In addition, by setting the connecting pipe 17, the purified water can also flow out from the accommodating cavity 11. That is, the water in the second accommodating cavity 112) does not cross, so that the installation space of the filter element assembly 100 can be reduced, and the overall structure is set reasonably.

The structure and arrangement of the first filter element 21 , the second filter element 22 and the third filter element 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 with the same filter material, and the third filter element 27 is a filter element with different filter materials from the first filter element 21 . It can be understood that the functions of the first filter element 21 and the second filter element 22 are to filter the tap water for the first time, while the third filter element 27 is to filter the tap water again. Setting the first filter element 21 and the third filter element 27 as different filter elements 20 can make the water filtered twice more pure.

As shown in FIG. 2 , the first filter element 21 and the second filter element 22 include: a first filter material 23 , a second filter material 29 , a first end cover 24 and a second end cover 25 , and the first filter material 23 is arranged in the accommodating cavity 11, the second filter material 29 and the first filter material 23 are arranged at an axial interval in the accommodating cavity 11, the first end cover 24 is sealed and arranged on the top of the first filter material 23, and the second end cover 25 is arranged on the first filter material 23. A water passage hole 262 is opened between the material 23 and the second filter material 29 . The first filter element 21 and the second filter element 22 can be fixed by the provided first end cover 24 and the second end cover 25 . The first filter material 23 and the second filter material 29 are arranged at an axial interval in the accommodating cavity 11 , so that the first filter element 21 and the second filter element 22 can be fixed. The tap water in the accommodating cavity 11 can be filtered through the first filter material 23 and the second filter material 29 . The first filter element 21 and the second filter element 22 are hollow cylinders, and the tap water outside the first filter element 21 and the second filter element 22 can penetrate into its interior through the first filter element 21 and the second filter element 22, and then because the second end cover 25 is provided with Since the tap water filtered by the first filter material 23 can flow into the second filter material 29 through the water passage holes 262 on the second end cover 25 . In this way, the first filter element 21 and the second filter element 22 can be filtered at the same time, the filtration efficiency can be doubled, the filtration efficiency of the filter element assembly 100 can be improved, and the first end cover 24 and the second end cover 25 can effectively ensure the first filter material. The fixed installation of 23 can ensure its stability in the accommodating cavity 11 . Wherein, the water outlet joint 15 is arranged on the first end cover 24 located at the top in the second accommodating cavity 112, and the water outlet joint 15 is communicated with the first end cover 24, and the connecting pipe 17 passes through the first end cover located at the top. 24 and communicate with the water outlet 15. The connecting pipe 17 thus arranged can ensure its installation stability through the first end cover 24, and can ensure the reliability of the water outlet through its connection with the water outlet joint 15.

Specifically, as shown in FIG. 2 , the first filter element 21 and the second filter element 22 further include: an inner through pipe 26 , the inner through pipe 26 is arranged in the first filter material 23 , and the top of the inner through pipe 26 is provided with a water inlet hole 261, and the bottom of the inner through pipe 26 corresponds to the water through hole 262.

Specifically, after the tap water enters the second accommodating cavity 112 from the water inlet joint 14 , a part of the tap water is filtered through the first filter material 23 and the second filter material 29 located in the second accommodating cavity 112 , and then flows from the top of the inner through pipe 26 after being filtered. The water inlet hole 261 of the second accommodating chamber 112 enters, then passes through the water through hole 262 under the inner through pipe 26, and finally flows out from the second water outlet 1152 of the second accommodating chamber 112, while another part of the tap water flows from the unfiltered chamber of the second accommodating chamber 112. After flowing out from the first water outlet 1151 of the first accommodating chamber 111, it enters the first accommodating chamber 111 through the water inlet 114 of the first accommodating chamber 111, and then enters the first accommodating chamber 111 from the water inlet hole 261 at the top of the inner through-pipe 26 after being filtered by the first filter element 21, Then it passes through the water through hole 262 below the inner through pipe 26 , and finally flows out from the water outlet 115 of the first accommodating chamber 111 , and flows out from the water outlet 115 of the first accommodating chamber 111 and the second water outlet 1152 of the second accommodating chamber 112 After the tap water is collected, it enters the third accommodating cavity 113 from the water inlet 114 of the third accommodating cavity 113 , so as to be filtered again in the third accommodating cavity 113 . The tap water flowing out from the water outlet 115 of the third accommodating cavity 113 flows into the connecting pipe 17 located in the second accommodating cavity 112, and then flows out from the water outlet joint 15 through the connecting pipe 17 for the user to use.

In detail, the connection pipe 17 is formed with a water outlet channel, and the connection pipe 17 is connected to the water outlet joint 15 . That is to say, the tap water can circulate in the connecting pipe 17, so that the unfiltered tap water can be prevented from polluting the filtered tap water.

In addition, as shown in FIG. 2 , the third filter element 27 includes: a third filter material 271 , a fourth filter material 272 , a third end cover 273 , a fourth end cover 274 and a fifth end cover 275 . The third filter material 271 and the fourth filter material 272 are arranged at intervals in the axial direction of the accommodating cavity 11 , the third end cover 273 is respectively arranged on the top of the third filter material 271 , and the fourth end cover 274 is arranged on the third filter material 271 and The fourth filter materials 272 are connected between and two sides are communicated. The fifth end cap 275 is disposed at the bottom of the fourth filter materials 272 and has a water passage hole 262 . The fourth end cover 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 cover 274 can fix the third filter material 271, and then The third filter material 271 and the fourth filter material 272 can be fixed by the third end cover 273 and the fifth end cover 275 , thereby forming the third filter element 27 . The third filter material 271 and the fourth filter material 272 arranged in this way can filter the water in the third accommodating cavity 113 respectively and supplement each other, thereby effectively ensuring the quality of pure water and improving the filtering performance of the filter element assembly 100 .

Specifically, as shown in FIG. 2 , the inside of the cylinder on the fourth end cover 274 is hollow, and one side is an open side. Of the inflowing water, a part of the water is filtered by the third filter material 271 and then flows into the fourth filter material 272;

More specifically, as shown in FIG. 2 , the first filter material 23 in the first filter element 21 and the second filter element 22 both include a carbon layer and a PP layer, the PP layer and the carbon layer are axially spaced apart, and the PP layer is located in the carbon layer. Above, the third filter material 271 of the third filter element 27 includes a carbon rod layer, and the fourth filter material 272 includes an ultrafiltration layer, and the carbon rod layer and the ultrafiltration layer are axially spaced apart. The carbon layer and the PP layer can also be distributed in a non-axial manner or in a radial distribution manner, and the PP layer can also be sleeved on the outside of the carbon layer.

Among them, the PP layer can be polypropylene staple fibers, the PP layer is mainly used to filter rust, red worms and particulate impurities larger than 5 microns in tap water, and the carbon layer is a kind of activated carbon. The carbon layer has the ability to adsorb organic compounds, which can effectively To play the functions of dechlorination, deodorization and deodorization, in the setting of the first filter element 21, the PP layer can be located above the carbon layer, so that the tap water can be filtered first through the PP layer and then through the carbon layer. Better results. In addition, the carbon rod layer can be a kind of activated carbon, and the carbon rod layer can re-filter the tap water after being filtered by the first filter element 21 and the second filter element 22, and can remove the abnormal color, odor, organic chemical substances, etc. in the water. The filter layer can be an ultrafiltration membrane, and the ultrafiltration layer can re-filter the tap water filtered by the carbon rod layer, and can remove smaller-sized particles and harmful substances in the water.

Thus, the multiple filter elements combined in this way can obtain pure water after multiple filtration, so as to meet the drinking water demand of the user. Moreover, because the carbon rod layer and the ultrafiltration layer are arranged at an axial interval, part of the water can be filtered through the carbon rod layer, and part of the water can be filtered through the ultrafiltration layer. The filtration efficiency of the carbon rod layer is higher than that of the ultrafiltration layer, which can effectively Ensuring the supply of pure water can better meet the drinking water needs of users.

In the embodiment of the present invention, the first filter material 23 is a foldable filter material. Since the first filter element 21 and the second filter element 22 are cylinders, selecting the first filter material 23 as a foldable filter material can facilitate the shaping.

Also, as shown in FIG. 7 , each accommodating cavity 11 is provided with a first limiting portion (not shown in the figure), each filter element 20 is provided with an end cover, and the end cover is provided with a second limiting portion 28 . A limit portion is circumferentially limited and matched with the second limit portion 28 . The first limiting portion may be a cylindrical groove, the second limiting portion 28 may be a cylindrical protrusion, and a plurality of the first limiting portion and the second limiting portion 28 may be provided in a corresponding number, so that the circumferential The limit effect is better.

The structure and working principle of the waterway plate 30 will be described in detail below.

As shown in FIG. 2 , the filter element assembly 100 includes a water channel plate 30 . The water channel plate 30 is disposed on the filter cartridge 10 and communicates with the water inlet 114 and the water outlet 115 of each accommodating cavity 11 respectively. In this way, each of the accommodating chambers 11 can be communicated with each other, so that the filtering work of the filter element 20 can be ensured. For example, the waterway plate 30 may be provided at the bottom of the filter cartridge 10 . The waterway plate 30 is one of the connectors. Of course, a water pipe-like structure can also be used as the connector to replace the waterway plate 30 .

Specifically, as shown in FIG. 2 , the filter cartridge 10 includes: a cylindrical body 12 and a bottom cover 13 , the bottom of the cylindrical body 12 is provided with an accommodating groove 123 , the waterway plate 30 is installed in the accommodating groove 123 , the accommodating groove 123 is open toward the bottom, and the bottom The cover 13 covers the open side of the accommodating groove 123 . Installing the waterway plate 30 in the accommodating groove 123 can prevent the waterway plate 30 from occupying more space, thereby making the structure of the filter element assembly 100 more compact and improving the integration of the filter element assembly 100 .

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 , and the first channel 31 has a first water inlet hole 311 and a first water outlet hole 312 . The 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, the first water outlet hole 312 and One of the two second water inlet holes 321 constitutes a group of water ports corresponding to the filter element 20 , and the first water inlet hole 311 , one of the two second water inlet holes 321 and the third water outlet hole 332 constitute another group of corresponding filter elements. 20 , the second water outlet hole 322 and the third water inlet hole 331 constitute another set of water ports corresponding to the filter element 20 .

It can be understood that by arranging the first channel 31 , the second channel 32 and the third channel 33 on the waterway plate 30 , the use of pipeline connections can be avoided, thereby reducing the production cost. In addition, the pipeline connection and installation are cumbersome, and the waterway plate 30 is used. , which can provide convenience for installation work. Moreover, the waterway plate 30 thus arranged can effectively ensure that the two accommodating chambers 11 are connected in parallel and then connected in series with another accommodating chamber 11 .

The direction of the tap water in the waterway board 30 will be described in detail below.

As shown in FIG. 8 , when tap water flows into the second accommodating cavity 112 from the water inlet joint 14 , a part of the tap water flows directly from the first water outlet 1151 of the second accommodating cavity 112 into the first inlet of the first channel 31 without being filtered. The water hole 311, after passing through the first channel 31, flows into the first accommodating cavity 111 from the first water outlet hole 312, and flows into the first accommodating cavity 111 from the second water inlet hole 321 of the second channel 32 after being filtered in the first accommodating cavity 111. At the same time, another part of the tap water flows out from the second water outlet 1152 after being filtered in the second accommodating cavity 112 , and then flows into the second channel 32 from the second water inlet hole 321 of the second channel 32 , and the second channel 32 The water that has undergone primary filtration flows into the third accommodating cavity 113 from the second water outlet hole 322 of the second channel 32 , and is filtered in the third accommodating cavity 113 before entering through the third water inlet hole 331 of the third channel 33 . The third channel 33 flows from the third water outlet hole 332 of the third channel 33 into the connecting pipe 17 located in the second accommodating cavity 112 , and finally flows out from the water outlet joint 15 .

More specifically, as shown in FIG. 8 , the longitudinal direction of the first channel 31 , the longitudinal direction of the second channel 32 , and the longitudinal direction of the third channel 33 are arranged in parallel. The first channel 31, the second channel 32 and the third channel 33 are arranged horizontally in the length direction. On the one hand, the horizontal arrangement can make the flow velocity of the internal water flow faster, and on the other hand, the horizontal arrangement can make the shape of the waterway plate 30 and the filter. The shape of the barrel 10 is adapted to facilitate the installation of the waterway plate 30 in the barrel 12 . The length direction of the first passage 31 is the same as the width direction of the filter element 20 .

Furthermore, as shown in FIG. 8 , the first channel 31 and the third channel 33 are located on the same side of the second channel 32 . The center axis of the second channel 32 is coincident with the center line of the waterway board 30 in the width direction, so that the structural stability of the waterway board 30 can be improved. It can be understood that the length of the second channel 32 is longer, and arranging the first channel 31 and the third channel 33 on the same side can facilitate the arrangement of the three channels, and also facilitate the docking of the third channel 33 with the connecting pipe 17 Connected.

In detail, as shown in FIG. 8 , the axes of 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 parallel to each other. , and also parallel to the thickness direction of the waterway plate 30 . In this way, it is convenient to connect 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 with the The water receiving nozzles 116 are connected, and the water receiving nozzles 116 on each accommodating cavity 11 can be matched in the water inlet hole or the water outlet hole correspondingly.

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 socket. 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 to each of the The water nozzle 116 of the accommodating cavity 11 is connected, the insertion hole is easy to process, and the insertion method is reliable and convenient. In addition, in order to ensure the sealing performance of the plug-in, a sealing ring may be provided at the outlet of the plug-in joint, thereby ensuring that the plug-in part will not seep into water.

As shown in FIG. 8 , the first channel 31 , the second channel 32 and the third channel 33 are all provided with an open end 34 , and a plug 341 is provided at the open end 34 . If the filter element 20 fails and is not replaced in time, the first channel 31 , the second channel 32 and the third channel 33 may be blocked by impurities in the water under the condition of long-term use. Setting the open side with the end of the third channel 33 can facilitate the dredging of the first channel 31, the second channel 32 and the third channel 33. It is convenient and can improve the service life of the filter cartridge 10 . Furthermore, by providing the plug 341, the production and manufacture of the waterway plate 30 can also be facilitated.

In addition, as shown in FIG. 8 , a plurality of mounting holes 35 are distributed on the waterway plate 30. Since the tap water in the filter cartridge 10 produces pressure on the waterway plate 30, in order to stably match the waterway plate 30 with the accommodating cavity 11, it is possible to The nuts are installed through the mounting holes 35 and the mounting screw holes 118 on the accommodating cavity 11 , so that the degree of cooperation between the waterway plate 30 and the accommodating cavity 11 can be improved.

In the embodiment of the present invention, the waterway board 30 is an integrally formed board structure. The one-piece molding structure is simple, reliable, and easy to process, so that the production cost can be reduced.

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

As shown in FIG. 4 , the filter cartridge 10 includes a cylindrical body 12 , and the cylindrical 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 , and the outer casing 121 is enclosed within the plurality of inner casings 122 . The outer side of the cylinder 122 is integrally formed with the plurality of inner cylinders 122 . It can be understood that, as shown in FIG. 4 , the number of inner cylinders 122 corresponds to the number of accommodating chambers 11 , and the outer casing 121 covers the three inner cylinders 122 , 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, which can facilitate processing. In addition, the integrally formed structure can reduce assembly steps, and the structure is more stable.

Specifically, as shown in FIG. 4 , the inner cylinder 122 is set in a hollow cylindrical shape, and the two ends of the outer casing 121 in the second direction are arc-shaped structures to fit with the inner cylinder 122 at both ends in the second direction. Wherein, since the filter element 20 is a cylinder, the inner cylinder 122 is set as a hollow cylindrical shape to facilitate the placement of the filter element 20 . In addition, the two ends of the outer casing 121 in the second direction are arranged in an arc-shaped structure, which can better cooperate with the inner cylinder 122. The setting of the arc-shaped structure can make the structure of the outer casing 121 more stable, and the arc-shaped structure The filter cartridge 10 can also be made flat, so that the structure of the filter cartridge 10 is more stable.

In the embodiment of the present invention, as shown in FIG. 2 , the filter cartridge 10 further includes: a top cover 18 and a sealing cover 16 , the sealing cover 16 is sealed on the top of the accommodating cavity 11 not provided with the water inlet joint 14 , and the top cover 18 The cover is arranged on the top of the cylinder body 12 , and the water inlet joint 14 and the water outlet joint 15 pass through the top cover 18 . Using the sealing cover 16 to seal the accommodating cavity 11 can prevent the tap water in the accommodating cavity 11 from overflowing. In addition, after the accommodating cavity 11 is sealed, in order to make the sealing cover 16 seal the accommodating cavity 11 stably, the top The cover 18 fixes the sealing cover 16. In addition, the top cover 18 is also provided with a circular hole for the water inlet connector 14 and the water outlet connector 15 to be placed.

Specifically, as shown in FIG. 2 , there are two sealing covers 16 , and the two sealing covers 16 are sealed on the tops of the first accommodating cavity 111 and the third accommodating cavity 113 respectively. Since the tops of the first accommodating cavity 111 and the third accommodating cavity 113 are not provided with water passages, the sealing cover 16 can be used to cover the tops of the first accommodating cavity 111 and the third accommodating cavity 113. On the one hand, liquid can be avoided. Overflowing from the accommodating cavity 11, on the other hand, secondary pollution of the tap water in the accommodating cavity 11 can be avoided.

In some embodiments of the present invention, as shown in FIG. 1 , the bottom of each accommodating cavity 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 put into the accommodating cavity 11 , the filter element 20 needs to be limited, which can prevent the filter element 20 from loosening in the water flow and reduce the filtering effect of the filter element 20 .

Specifically, as shown in FIG. 1 , the limiting portion 117 is annular, and the water inlet 114 and the water outlet 115 are distributed on both sides of the limiting portion 117 . In this way, when the filtered tap water flows out from the water outlet 115, the tap water flowing into the accommodating cavity 11 from the water inlet 114 can complement each other in time.

In the embodiment of the present invention, as shown in FIG. 4 and FIG. 6 , there may be three accommodating cavities 11 , and the heights of the three accommodating cavities 11 are the same. Since the three accommodating cavities 11 are connected to each other, setting the three accommodating cavities 11 at the same height can make the liquid pressure in each accommodating cavity 11 equal, thereby avoiding that the liquid level of one accommodating cavity 11 is higher than that of the other accommodating cavities 11 The liquid level of the filter element 20 is reduced, so that the tap water quickly flows into the accommodating cavity 11 with a low liquid level, resulting in a decrease in the filtering effect of the filter element 20 .

The water purifier according to the present invention includes the above-mentioned filter element assembly 100, and the water purifier with the filter element assembly 100 according to the embodiment of the present invention has a more compact structure and occupies less space, which can save more space for the user, and thus can Improve user experience.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Back, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Clockwise, Counterclockwise, Axial , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated device or Elements must have a particular orientation, be constructed and operate in a particular orientation and are therefore not to be construed as limitations of the invention.

In the description of the present invention, "first feature" and "second feature" may include one or more of the features. In the description of the present invention, "plurality" means two or more. In the description of the present invention, a first feature being "above" or "under" a second feature may include the first and second features in direct contact, or may include the first and second features not in direct contact but through them Additional feature contacts between. In the description of the present invention, the first feature "above", "over" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is level higher than Second feature.

In the description of this specification, reference to the terms "one embodiment," "some embodiments," "exemplary embodiment," "example," "specific example," or "some examples", etc., is meant to incorporate the embodiments A particular feature, structure, material, or characteristic described by an example or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example.

Although 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 in these embodiments without departing from the principles and spirit of the invention, The scope of the invention is defined by the claims and their equivalents.

Claims (12)

1. a filter element assembly, is characterized in that, comprises: a filter cartridge, the filter cartridge defines a plurality of accommodating cavities, the plurality of accommodating cavities are connected and at least two of the accommodating cavities are connected in parallel; A plurality of filter elements, which are respectively disposed in the plurality of accommodating cavities, and the filter elements of the two accommodating cavities connected in parallel are all filter elements with the same filter material. 2 . The filter element assembly according to claim 1 , wherein the plurality of accommodating cavities comprise a first accommodating cavity, a second accommodating cavity and a third accommodating cavity, and the second accommodating cavity is located in the first accommodating cavity. 3 . Between the cavity and the third accommodating cavity, the first accommodating cavity and the second accommodating cavity are connected in parallel and then connected in series with the third accommodating cavity, and the plurality of filter elements include a first filter element and 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 cavity, the second accommodating cavity and the third accommodating cavity, and the first The filter element and the second filter element are both filter elements with the same filter material. 3. The filter element assembly of claim 2, wherein the first filter element and the second filter element comprise: a first filter material, the first filter material is arranged in the accommodating cavity; the second filter material, the second filter material and the first filter material are arranged at an axial interval of the accommodating cavity; a first end cap, the first end cap is sealed and arranged on the top of the first filter material; A second end cover, the second end cover is arranged between the first filter material and the second filter material and is provided with a water passage hole. 4 . The filter element assembly according to claim 3 , wherein the first filter element and the second filter element further comprise: an inner through pipe, and the inner through pipe is arranged in the first filter material, and the 4 . The top of the inner through pipe is provided with a water inlet hole and the bottom corresponds to the water through hole. 5. The filter element assembly of claim 3, wherein the third filter element comprises: the third filter material; the fourth filter material, the third filter material and the fourth filter material are arranged at intervals in the axial direction of the accommodating cavity; a third end cap, the third end cap is respectively arranged on the top of the third filter material; a fourth end cover, the fourth end cover is arranged between the third filter material and the fourth filter material and connects both sides; The fifth end cap is arranged on the bottom of the fourth filter material and has a water passage hole. 6 . The filter element assembly according to claim 5 , wherein the first filter material includes a PP layer, the second filter material includes a carbon layer, and the third filter material includes a carbon rod layer, the The fourth filter material includes: an ultrafiltration layer. 7 . The filter element assembly according to claim 3 , further comprising: a water inlet joint and a water outlet joint, the water outlet joint is arranged on the first end cover located at the top in the second accommodating cavity, so that the 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 is passed through the first filter material located in the second accommodating cavity, and the connecting pipe passes through the first filter material located at the top. 9 . One end is covered and communicated with the water outlet joint. 9 . The filter element assembly according to claim 1 , further comprising: a water channel plate, the water channel plate is disposed at the bottom of the filter cartridge and communicated with each of the accommodating chambers respectively. 10 . 10 . The filter element assembly according to claim 9 , wherein the filter cartridge comprises: a cylindrical body and a bottom cover, the bottom of the cylindrical body is provided with an accommodating groove, and the water circuit board is installed in the accommodating groove, 10 . The bottom cover covers the open side of the accommodating groove. 11 . The filter element assembly according to claim 1 , wherein the filter cartridge comprises: a cylindrical body, the cylindrical body comprises: an outer casing and a plurality of inner cylinders, and the plurality of inner cylinders respectively define a plurality of inner cylinders. In the accommodating cavity, the outer casing is provided on the outer side of the plurality of inner cylinders and is integrally formed with the plurality of inner cylinders. 12. A water purifier, comprising the filter element assembly according to any one of claims 1-11.

Images