CN216513267U - Filter element and water purifier - Google Patents

Abstract

The utility model relates to the technical field of water treatment, and discloses a filter element and a water purifier, wherein the filter element comprises a filter head, a shell, and a lower filtering structure and an upper filtering structure which are arranged in the shell; the lower filtering structure comprises a cylindrical folded cloth PP cotton body, an arsenic removal carbon rod arranged in the folded cloth PP cotton body, an ultrafiltration membrane shell arranged in the arsenic removal carbon rod and an ultrafiltration membrane arranged in the ultrafiltration membrane shell, wherein a through hole is formed in the side wall of the ultrafiltration membrane shell; the upper filtering structure comprises an upper end cover, an inner shell connected to the upper end of the ultrafiltration membrane shell, a first supporting cylinder arranged on the inner shell, a second supporting cylinder arranged in the first supporting cylinder, and a strontium-rich carbon rod arranged in the second supporting cylinder. The filter element can realize multi-layer filtration of water, improve the filtration effect, add beneficial trace elements to the water and improve the health of the water quality.

Description

Filter element and water purifier

Technical Field

The utility model relates to the technical field of water treatment, in particular to a filter element and a water purifier.

Background

Along with the improvement of living standard, the popularization of the water purifier is more and more extensive, and the water quality is filtered and purified by the water purifier, so that the purposes of improving the water quality and the taste of water are achieved. Most current water purifiers adopt to hinder the progressive structure of sieve filtering principle, specifically are concatenated by a plurality of filter cores end to end and form, and filter core precision is arranged in proper order from low to high to realize that multistage filter core apportionment holds back the filth, thereby reduce filter core jam and artifical blowdown, tear the number of times of washing and prolong the cycle of changing the filter core. However, the use of a plurality of filter elements increases the volume of the water purifier, which requires a large installation space and is easily limited by the installation environment. The filter effect of the existing water purifier adopting a single filter element is general, and the filtered water quality is difficult to meet the edible requirements of people.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a filter element which is simple and compact in structure, can be used for carrying out multi-layer filtration on water, improving the filtration effect, adding beneficial trace elements into the water and improving the health of the water quality. In addition, the utility model also provides a water purifier adopting the filter element, which has smaller volume, occupies smaller use space and improves the installation convenience of the water purifier.

In order to achieve the aim, the utility model provides a filter element, which comprises a filter head, a shell, a lower filtering structure and an upper filtering structure, wherein the lower filtering structure and the upper filtering structure are arranged in the shell; the filter head is connected to the top of the shell in a sealing manner, the filter head is provided with a water inlet part and a water outlet part, and the water inlet part is communicated with the inside of the shell;

the lower filtering structure comprises a cylindrical folded PP cotton body, an arsenic removal carbon rod arranged in the folded PP cotton body, an ultrafiltration membrane shell arranged in the arsenic removal carbon rod and an ultrafiltration membrane arranged in the ultrafiltration membrane shell, and a through hole is formed in the side wall of the ultrafiltration membrane shell;

the upper filtering structure comprises an upper end cover, an inner shell connected to the upper end of the ultrafiltration membrane shell, a first supporting cylinder arranged in the inner shell, a second supporting cylinder arranged in the first supporting cylinder, and a strontium-rich carbon rod arranged in the second supporting cylinder, wherein the upper end cover is hermetically connected to the top of the inner shell, and the inner shell is communicated with the ultrafiltration membrane shell; the inner wall of the inner shell and the outer wall of the first supporting cylinder are arranged at intervals to form a first cavity, the first cavity is filled with micro-nose ceramic particles, and the inner wall of the second supporting cylinder and the outer wall of the strontium-rich carbon rod are arranged at intervals to form a second cavity; the upper end cover is provided with a water outlet nozzle, the strontium-enriched carbon rod is provided with a water outlet channel, and the water outlet channel, the water outlet nozzle and the water outlet part are communicated in sequence.

In some embodiments, the first supporting cylinder is open at the upper end and sealed at the lower end, a first enclosing part is formed on the outer wall of the lower end of the first supporting cylinder in a protruding manner, a first hollow hole is formed in the first enclosing part, and the upper end and the lower end of the first supporting cylinder are respectively spaced from the upper end cover and the inner lower end of the inner shell relatively.

In some embodiments, the second supporting cylinder is open at the lower end and sealed at the upper end, a second enclosing part is formed on the outer wall of the lower end of the second supporting cylinder in a protruding manner, a second hollow hole is formed in the second enclosing part, and the lower end of the second supporting cylinder is spaced from the inner lower end of the first supporting cylinder relatively.

In some embodiments, a connecting cover is arranged between the upper end of the first supporting cylinder and the upper end of the second supporting cylinder, and a third hollow hole is formed in the connecting cover.

In some embodiments, the upper end of the ultrafiltration membrane shell is provided with a first sleeving part, the lower end of the inner shell is provided with a second sleeving part, and the first sleeving part and the second sleeving part are matched and sleeved with each other to enable the inner shell to be communicated with the ultrafiltration membrane shell.

In some embodiments, the strontium-rich carbon rod is a hollow rod formed by compacting activated carbon and strontium ore.

Compared with the prior art, the filter element has the beneficial effects that:

after the filter core is installed inside the water purifier, the water that gets into the hydrophone flows into in the shell through the portion of intaking of filter head earlier, and water is first through the lower part structure of coming and is filtered for the first time, and wherein folding cloth PP cotton body filters large particulate matter such as silt, rust, then arsenic removal carbon-point gets rid of the arsenic element and the peculiar smell in the aquatic, gets into the ultrafiltration membrane shell at last and filters heavy metal, bacterium etc. through the milipore filter to accomplish the first filtration of water, whole water purification effect can reach 0.03-0.1 micron effect. Then water flows upwards from the ultrafiltration membrane shell and enters the inner shell, the water is filtered again through the upper filtering structure, peculiar smell and residual chlorine of the water are further removed through the micro-nose ceramic particles when the water passes through the first cavity, then the water flows into the second cavity and permeates into the water outlet channel through the gap of the strontium-rich carbon rod, and the strontium-rich carbon rod adds trace strontium elements to the water and is used for supplementing trace elements required by a human body and providing healthier water quality. Finally, water flows out of the water outlet channel, the water outlet nozzle and the water outlet part in sequence, so that multiple times of filtering and purification of the water are completed, the health of the water quality is improved, the structure is simple and compact, and the water path flows smoothly.

In addition, in order to achieve the above purpose, the utility model further provides a water purifier, which comprises a protective shell and the filter element, wherein the filter element is arranged in the protective shell, and the protective shell is provided with an avoiding groove for a pipeline to pass through.

Drawings

FIG. 1 is a schematic view of a cartridge according to some embodiments of the utility model;

FIG. 2 is a schematic half-sectional view of FIG. 1, with the arrows indicating the direction of water flow, and with the micro-nasal ceramic particles omitted;

FIG. 3 is an exploded schematic view of FIG. 1;

FIG. 4 is a schematic diagram of a filter element according to some embodiments of the present invention, with the illustration of the PP cotton, the arsenic removal carbon rod, the top cap and the housing omitted;

FIG. 5 is a schematic half-section view of FIG. 4;

FIG. 6 is a schematic diagram of a filter head according to some embodiments of the utility model;

FIG. 7 is a schematic structural view of a first support cartridge according to some embodiments of the present invention;

FIG. 8 is a schematic structural view of a second support cartridge in accordance with some embodiments of the utility model;

fig. 9 is a schematic view of the structure of a water purifier according to some embodiments of the present invention;

FIG. 10 is a schematic half-section view of FIG. 9;

in the figure, the position of the upper end of the main shaft,

100. a water purifier;

10. a filter element;

1. a filter head; 11. a water inlet part; 12. a water outlet part;

2. a housing;

3. a lower filtering structure; 31. folding PP cotton body; 32. removing arsenic from the carbon rod; 33. an ultrafiltration membrane shell; 331. a through hole; 332. a first nesting portion;

4. an upper filter structure; 41. an upper end cover; 411. a water outlet nozzle; 42. an inner shell; 421. a second socketing portion; 422. a first boss portion; 43. a first support cylinder; 431. a first containment portion; 432. a first hollowed-out hole; 433. a second boss portion; 44. a second support cylinder; 441. a second containment portion; 442. a second hollowed-out hole; 45. a strontium-rich carbon rod; 451. a water outlet channel; 46. a first cavity; 47. a second cavity; 48. a connecting cover; 481. a third hollowed-out hole;

5. a protective shell; 51. avoiding the groove.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

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", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1-8, an embodiment of the present invention provides a filter element 10, which includes a filter head 1, a housing 2, a lower filter structure 3 and an upper filter structure 4 disposed in the housing 2; the filter head 1 is hermetically connected to the top of the shell 2, the filter head 1 is provided with a water inlet part 11 and a water outlet part 12, and the water inlet part 11 is communicated with the inside of the shell 2; the lower filtering structure 3 comprises a cylindrical folded cloth PP cotton body 31, an arsenic removal carbon rod 32 arranged in the folded cloth PP cotton body 31, an ultrafiltration membrane shell 33 arranged in the arsenic removal carbon rod 32, and an ultrafiltration membrane (not shown in the figure) arranged in the ultrafiltration membrane shell 33, wherein the side wall of the ultrafiltration membrane shell 33 is provided with a through hole 331; the upper filtering structure 4 comprises an upper end cover 41, an inner shell 42 connected to the upper end of the ultrafiltration membrane shell 33, a first supporting cylinder 43 arranged on the inner shell 42, a second supporting cylinder 44 arranged in the first supporting cylinder 43, and a strontium-rich carbon rod 45 arranged in the second supporting cylinder 44, wherein the upper end cover 41 is hermetically connected to the top of the inner shell 42, and the inner shell 42 is communicated with the ultrafiltration membrane shell 33; the inner wall of the inner shell 42 and the outer wall of the first supporting cylinder 43 are arranged at intervals to form a first cavity 46, the first cavity 46 is filled with micro-nose ceramic particles (not shown in the figure), and the inner wall of the second supporting cylinder 44 and the outer wall of the strontium-rich carbon rod 45 are arranged at intervals to form a second cavity 47; the upper end cover 41 is provided with a water outlet nozzle 411, the strontium-rich carbon rod 45 is provided with a water outlet channel 451, and the water outlet channel 451, the water outlet nozzle 411 and the water outlet part 12 are communicated in sequence.

It can be understood that the housing 2 is hollow and has an opening at the upper end, and the filter head 1 can be hermetically connected to the top of the housing 2 by welding. The water inlet portion 11 and the water outlet portion 12 are respectively a channel structure so that water can smoothly flow in or out. The water outlet 411 is hollow and has openings at two ends, the upper end of the water outlet 411 is inserted into the water outlet 12, and the lower end of the water outlet 411 is inserted into the water outlet channel 451, so that the water outlet channel 451, the water outlet 411 and the water outlet 12 are sequentially communicated.

Based on the above scheme, after filter core 10 installed inside the water purifier, the water that gets into the hydrophone flows into in the shell 2 through the portion 11 of intaking of filter head 1 earlier, and water is first through the lower part structure of coming and is filtered for the first time, and wherein folding cloth PP cotton 31 filters large particulate matter such as silt, rust, then remove arsenic carbon rod 32 and get rid of the arsenic element and the peculiar smell of aquatic, get into ultrafiltration membrane shell 33 at last and filter heavy metal, bacterium etc. through the milipore filter to accomplish the first filtration of water, whole water purification effect can reach 0.03-0.1 micron effect. Then, water flows upwards from the ultrafiltration membrane shell 33 and enters the inner shell 42, the water is filtered again through the upper filtering structure 4, peculiar smell and residual chlorine of the water are further removed through the micro-nose ceramic particles when the water passes through the first cavity 46, then the water flows into the second cavity 47 and permeates into the water outlet channel 451 through the gaps of the strontium-rich carbon rod 45, and the strontium-rich carbon rod 45 adds trace strontium elements to the water, so that the trace elements required by a human body are supplemented, and healthier water quality is provided. Finally, the water flows out of the water outlet channel 451, the water outlet nozzle 411 and the water outlet part 12 in sequence, so that the water is filtered and purified for many times, the health of the water quality is improved, the structure is simple and compact, and the flow of the water channel is smooth.

Further, in some embodiments, the first supporting cylinder 43 has an open upper end and a sealed lower end, a first surrounding portion 431 is formed on an outer wall of the lower end of the first supporting cylinder 43 in a protruding manner, the first surrounding portion 431 is provided with a first hollow hole 432, and an upper end and a lower end of the first supporting cylinder 43 are spaced from the inner lower end of the upper end cover 41 and the inner shell 42, respectively. In order to make the lower end of the first supporting cylinder 43 and the inner lower end of the inner shell 42 spaced relatively, a plurality of first protrusions 422 are disposed on the end surface of the inner lower end of the inner shell 42, and the plurality of first protrusions 422 and the plurality of first hollow holes 432 are staggered in position to prevent position interference.

Further, in some embodiments, the second supporting cylinder 44 is open at the lower end and sealed at the upper end, a second enclosing part 441 is formed on the outer wall of the lower end of the second supporting cylinder 44 in a protruding manner, the second enclosing part 441 is opened with a second hollow hole 442, and the lower end of the second supporting cylinder 44 is spaced from the inner lower end of the first supporting cylinder 43. In order to arrange the lower end of the second supporting cylinder 44 and the inner lower end of the first supporting cylinder 43 at an interval, a plurality of second protrusions 433 are disposed on the end surface of the inner lower end of the first supporting cylinder 43, and the plurality of second protrusions 433 and the plurality of second holes 442 are staggered in position to prevent position interference.

The water flows in the upper filtering structure 4 as follows: the water flowing in from the lower end of the inner shell 42 firstly flows into the first cavity 46 through the first hollow hole 432, then flows into the gap between the first supporting cylinder 43 and the second supporting cylinder 44 from the upper end opening of the first supporting cylinder 43, then flows into the second wall body from the lower end opening of the second supporting cylinder 44, and finally permeates into the water outlet channel 451 from the gap of the strontium-rich carbon rod 45. The gap between the first supporting cylinder 43 and the second supporting cylinder 44 may be hollow, and may also be used for storing other filter materials, which is not limited herein.

In some embodiments, a connection cover 48 is disposed between the upper end of the first support cylinder 43 and the upper end of the second support cylinder 44, and the connection cover 48 defines a third hollow hole 481. The connection cover 48 is used for fixing the distance between the upper end of the first support cylinder 43 and the upper end of the second support cylinder 44, and plays a role in improving the stability of the overall structure of the filter cartridge 10.

In some embodiments, the upper end of the ultrafiltration membrane casing 33 is provided with a first engaging portion 332, the lower end of the inner casing 42 is provided with a second engaging portion 421, and the first engaging portion 332 and the second engaging portion 421 are engaged with each other to allow the inner casing 42 to communicate with the ultrafiltration membrane casing 33. First cup jointing portion 332 and second cup jointing portion 421 are inside cavity form and upper and lower both ends area opening respectively, cup joint each other in order to realize inner shell 42 and ultrafiltration membrane shell 33 intercommunication each other through first cup jointing portion 332 and second cup jointing portion 421.

In some embodiments, the strontium-rich carbon rods 45 are hollow rods formed by compacting activated carbon with strontium ore. The surface of the activated carbon is eroded to create a microporous structure so that the strontium-rich carbon rods 45 have more pores to allow water to flow smoothly, and the strontium ore can supplement strontium element to water to improve the health of water quality.

To sum up, the embodiment of the present invention provides a filter element 10, when the filter element 10 is installed inside a water purifier, water entering the water inlet device firstly flows into a housing 2 through a water inlet portion 11 of a filter head 1, the water firstly passes through a lower portion structure to be primarily filtered, wherein a folded cloth PP cotton body 31 filters large particulate matters such as silt, rust and the like, then an arsenic removal carbon rod 32 removes arsenic elements and peculiar smell in the water, and finally enters an ultrafiltration membrane housing 33 and heavy metals, bacteria and the like are filtered through an ultrafiltration membrane, so that primary filtration of the water is completed, and the overall water purification effect can reach 0.03-0.1 micron. Then, water flows upwards from the ultrafiltration membrane shell 33 and enters the inner shell 42, the water is filtered again through the upper filtering structure 4, peculiar smell and residual chlorine of the water are further removed through the micro-nose ceramic particles when the water passes through the first cavity 46, then the water flows into the second cavity 47 and permeates into the water outlet channel 451 through the gaps of the strontium-rich carbon rod 45, and the strontium-rich carbon rod 45 adds trace strontium elements to the water, so that the trace elements required by a human body are supplemented, and healthier water quality is provided. Finally, the water flows out of the water outlet channel 451, the water outlet nozzle 411 and the water outlet part 12 in sequence, so that the water is filtered and purified for many times, the health of the water quality is improved, the structure is simple and compact, and the flow of the water channel is smooth.

In addition, in order to achieve the above purpose, please refer to fig. 9 and 10, the present invention further provides a water purifier 100, which includes a protective shell 5 and a filter element 10 thereon, wherein the filter element 10 is disposed in the protective shell 5, and the protective shell 5 is opened with an escape slot 51 for a pipeline to pass through. The structure of the filter element 10 is the same as that of the filter element 10, and thus the description is omitted here. Since the tap water is connected to the water inlet part 11 through a pipe and the water outlet part 12 is connected to the faucet through a pipe, the avoiding groove 51 is used for the pipe to smoothly penetrate into the water inlet device.

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 utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model 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 utility model, the scope of which is defined by the claims and their equivalents.

Claims (7)

1. A filter element is characterized by comprising a filter head, a shell, a lower filtering structure and an upper filtering structure, wherein the lower filtering structure and the upper filtering structure are arranged in the shell; the filter head is connected to the top of the shell in a sealing manner, the filter head is provided with a water inlet part and a water outlet part, and the water inlet part is communicated with the inside of the shell;

the lower filtering structure comprises a cylindrical folded cloth PP cotton body, an arsenic removal carbon rod arranged in the folded cloth PP cotton body, an ultrafiltration membrane shell arranged in the arsenic removal carbon rod and an ultrafiltration membrane arranged in the ultrafiltration membrane shell, wherein a through hole is formed in the side wall of the ultrafiltration membrane shell;

the upper filtering structure comprises an upper end cover, an inner shell connected to the upper end of the ultrafiltration membrane shell, a first supporting cylinder arranged in the inner shell, a second supporting cylinder arranged in the first supporting cylinder, and a strontium-rich carbon rod arranged in the second supporting cylinder, wherein the upper end cover is hermetically connected to the top of the inner shell, and the inner shell is communicated with the ultrafiltration membrane shell; the inner wall of the inner shell and the outer wall of the first supporting cylinder are arranged at intervals to form a first cavity, the first cavity is filled with micro-nose ceramic particles, and the inner wall of the second supporting cylinder and the outer wall of the strontium-rich carbon rod are arranged at intervals to form a second cavity; the upper end cover is provided with a water outlet nozzle, the strontium-enriched carbon rod is provided with a water outlet channel, and the water outlet channel, the water outlet nozzle and the water outlet part are communicated in sequence.

2. The filter element of claim 1, wherein the first support cylinder is open at the upper end and sealed at the lower end, a first surrounding portion is formed on the outer wall of the lower end of the first support cylinder in a protruding manner, a first hollow hole is formed in the first surrounding portion, and the upper end and the lower end of the first support cylinder are respectively spaced from the upper end cover and the inner lower end of the inner shell.

3. The filter element of claim 1, wherein the second support cylinder is open at the lower end and sealed at the upper end, a second surrounding portion protrudes from the outer wall of the lower end of the second support cylinder, the second surrounding portion is provided with a second hollow hole, and the lower end of the second support cylinder is spaced from the inner lower end of the first support cylinder.

4. The filter element of claim 1, wherein a connecting cover is arranged between the upper end of the first supporting cylinder and the upper end of the second supporting cylinder, and a third hollow hole is formed in the connecting cover.

5. The filter element according to any one of claims 1 to 4, wherein the upper end of the ultrafiltration membrane shell is provided with a first sleeving connection part, the lower end of the inner shell is provided with a second sleeving connection part, and the first sleeving connection part and the second sleeving connection part are matched and sleeved with each other to enable the inner shell to be communicated with the ultrafiltration membrane shell.

6. The filter element of claim 1, wherein the strontium-rich carbon rod is a hollow rod formed by compacting activated carbon and strontium ore.

7. A water purifier, characterized by comprising a protective shell and a filter element according to any one of claims 1 to 6, wherein the filter element is arranged in the protective shell, and the protective shell is provided with an avoiding groove for a pipeline to pass through.

Images