CN215712112U

CN215712112U - Composite filter element for water purifier and water purifier

Info

Publication number: CN215712112U
Application number: CN202020844527.3U
Authority: CN
Inventors: 丁梅英
Original assignee: Kunshan Jiuling Health Care Products Co ltd
Current assignee: Kunshan Jiuling Health Care Products Co ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2022-02-01
Anticipated expiration: 2030-05-19

Abstract

The utility model discloses a composite filter element for a water purifier, which comprises: the filter comprises a lower shell, a middle shell, an upper shell and a filter material component, wherein the top and the bottom of the lower shell are respectively provided with a first connector and a purified water outlet; the middle shell comprises a shell body and a nylon net, a first grid opening is formed in the side face of the shell body, the nylon net wraps the first grid opening, a middle shell opening is formed in the bottom of the middle shell, and the middle shell is integrally buckled at a first interface of the lower shell; the upper shell is sleeved outside the middle shell and connected with the lower shell; the filtering material component is arranged in the lower shell and comprises a particle filtering material and an ultrafiltration membrane. This technical scheme simple structure, simple to operate adopts the milipore filter to establish in the middle, and the distribution mode of peripheral packing granule filter media has found the milipore filter and has radially gone into the filtration passageway of water axial play water, has enlarged the filter area that entries of milipore filter, has improved filtration efficiency, has good practical value.

Description

Composite filter element for water purifier and water purifier

Technical Field

The utility model relates to a water purifier, in particular to a composite filter element for the water purifier.

Background

With the rapid development of industry, the environmental pollution is becoming more serious, wherein the fresh water resource is under the dual pressure of shortage and pollution, and the distribution is seriously uneven, so that it is self-evident that whether the safety of the water resource, especially the fresh water resource is guaranteed or not is important for the sustainable development of society and the healthy life of human beings. Under the background, the water purifier is produced at the same time.

The water purifier is a device for producing purified water, and is a water treatment device which takes municipal tap water as raw water and carries out deep filtration and purification on water quality. With the increasing demand of people on the quality of drinking water, the popularization rate of the water purifier in families at home and abroad is very high, and even the water purifier becomes a necessary household product in many countries. The huge market demand has promoted the vigorous development of water purification technology, and many manufacturers compete to produce various water purifiers.

In the prior art, according to filter core component structure, the water purifier divide into single filter core and composite filter core, and composite filter core is on a filter core with the collection of one or more independent function's filter media science as required, plays its effect simultaneously, has received manufacturer and consumer's favor more and more, and market share improves gradually. However, in the practical process, the composite filter element water purifier generally has the problems of complex structure, limited receptor volume, small filtering area and insufficient water yield. Therefore, the technical field needs a composite filter element which has simple structure, convenient installation, high water yield, large adsorption saturation capacity, good purification effect and long service life.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the composite filter element which is simple in structure, convenient to install, high in water yield and long in service life.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

a composite filter element for a water purifier, comprising: the top and the bottom of the lower shell are respectively provided with a first connector and a purified water outlet; the middle shell is buckled at a first interface of the lower shell and comprises a shell body and a nylon net, a first grid opening and a middle shell opening are respectively arranged on the side face and the bottom of the shell body, and the nylon net wraps the side face of the shell body and completely covers the first grid opening; the upper shell is sleeved outside the middle shell, and the side surface and the bottom surface of the upper shell are respectively provided with a second gate port and a second interface and are connected with the first interface of the lower shell through the second interface; the filtering material subassembly is arranged in the inferior valve, including granule filter media and milipore filter, the milipore filter is established inferior valve bottom, and covers completely the water purification export of inferior valve, the granule filter media comprises the granular filtering material of one or more, fill in inferior valve inner wall with space between the milipore filter.

The beneficial effect of adopting above-mentioned technical scheme is: the technical problems in the prior art are fully considered, firstly, an outer shell for bearing the composite filter element filter material is fixedly constructed by connecting a lower shell, a middle shell and an upper shell, the structure is simple, the installation is convenient, redundant components are not arranged, and the proportion of the volume of the inner filter material to the total volume of the composite filter material is effectively improved under the condition of certain space volume; secondly, the first grid opening on the side surface of the nylon net wrapping part of the middle shell can effectively prevent the filter material from leaking outwards; more importantly, a distribution mode that the ultrafiltration membrane is arranged in the middle and the particle filter materials are filled at the periphery of the ultrafiltration membrane is adopted, so that a filtering channel of the ultrafiltration membrane for water entering in the radial direction and water exiting in the axial direction is constructed, the traditional filtering path of the original ultrafiltration membrane for water entering in the axial direction and water exiting in the radial direction is changed, the water entering filtering area of the ultrafiltration membrane is obviously enlarged, and the filtering efficiency is greatly improved; therefore, the method has good practical value and market competitiveness.

As a further improvement of the utility model, the particle filter material is of a layer structure and comprises a negative potential ceramic ball layer and a coconut shell activated carbon layer, the negative potential ceramic ball layer and the coconut shell activated carbon layer are filled in a space between the inner wall of the lower shell and the ultrafiltration membrane, and the filling ratio of the negative potential ceramic ball layer to the coconut shell activated carbon layer is preferably 0.24-0.46.

The beneficial effect of adopting above-mentioned technical scheme is: the negative potential ceramic ball layer and the coconut shell activated carbon layer are introduced into the particle filter material, so that organic pollutants in water can be efficiently removed by utilizing the characteristics of high adsorption capacity and low resistance of coconut shell activated carbon, heterochromatic peculiar smell is adsorbed, the water is purer, and the filter effect is better compared with that of common activated carbon; but also can utilize the function that the negative potential ceramic ball can instantaneously break through water molecules to generate-OH ions, reduce the potential value of water from +200mv to-300-500 mv, adjust the PH value to about 7.3-8.5, and supplement minerals in the water and activate small molecular water, thereby effectively improving the mouthfeel. When the filling ratio of the negative potential ceramic ball layer to the coconut shell activated carbon layer is in the range of 0.24-0.46, the filtering function and the taste improving function of the particle filter material are both good.

As a further improvement of the utility model, the negative potential ceramic ball layer and the coconut shell activated carbon layer are sequentially filled in the space between the inner wall of the lower shell and the ultrafiltration membrane from bottom to top along the axial direction by taking the ultrafiltration membrane as a center.

The beneficial effect of adopting above-mentioned technical scheme is: the negative potential ceramic ball layer and the coconut shell activated carbon layer are transversely layered, so that raw water in different directions passes through the same filtering process, and the stability of the water purification filtering effect and the mouthfeel is favorably maintained.

As a further improvement of the utility model, the ultrafiltration membrane comprises filtration membrane filaments, and the micro-pore diameter of the filtration membrane filaments ranges from 0.01 μm to 0.1 μm.

The beneficial effect of adopting above-mentioned technical scheme is: the water-permeable agent can effectively retain bacteria, colloid, rust, suspended matters, silt and macromolecular organic matters in water while ensuring good water permeability, and retains mineral substances beneficial to human bodies.

As a further improvement of the utility model, the outer diameter of the filtering membrane wire ranges from 550 mu m to 640 mu m.

The beneficial effect of adopting above-mentioned technical scheme is: the outer diameter range of the filtering membrane filaments of the ultrafiltration membrane is 550-640 mu m, which is obviously smaller than 1100-1660 mu m in the prior art, so that the filtering contact area is large and uniform, and the service life of the composite filter element is effectively prolonged. Can filter impurities in water for a long time and retain minerals beneficial to human bodies.

As a further improvement of the utility model, the lower shell also comprises a flow rate regulator, the flow rate regulator is arranged at the water purification outlet at the bottom, and the outer surface of the flow rate regulator is provided with scales and flow rate marks.

The beneficial effect of adopting above-mentioned technical scheme is: the flow rate regulator is arranged at the water purification outlet, another flow regulation scheme is provided, namely before the flow rate regulator is not introduced, the flow rate of the purified water can be controlled through the size of the water purification outlet, after the flow rate regulator is introduced, the purpose of controlling the flow rate can be realized by regulating the flow rate regulator, the flow rate of the purified water outlet can not be too large, the flow rate is too large, the raw water is insufficiently filtered, the flow rate is too small, the filtering efficiency is too low, and the use requirement cannot be met, therefore, the water outlet flow rate is regulated to be within a reasonable range, the time for the raw water to stay in the filter material is relatively long, so that negative potential mineralization balls can more effectively generate-OH ions, the potential value of the outlet water is changed, the pH value is regulated, minerals in the water and activated small molecular water are supplemented, the activated carbon can better exert the adsorption capacity effect, the removal is more thorough, and the outlet water taste is better.

As a further improvement of the present invention, the second grid openings of the upper shell are strip-shaped through holes, the length of the second grid openings in the horizontal direction is greater than the length of the second grid openings in the vertical direction, the length of the first grid openings in the middle shell in the vertical direction is greater than the length of the first grid openings in the horizontal direction, and the first grid openings are uniformly distributed on the side surface of the middle shell along the circumferential direction.

The beneficial effect of adopting above-mentioned technical scheme is: the second grid mouth sets up to the through-hole of horizontal direction, helps raw water evenly to flow into the mesochite under the condition of lower liquid level all around the shell, and the first grid mouth of mesochite arranges for vertical direction, forms crisscross grid mouth with the second grid mouth, has changed the raw water point of falling into water, helps slowing down the speed that raw water got into the filtration zone.

As a further improvement of the utility model, there is a gap between the inner surface of the upper shell and the outer surface of the middle shell.

The beneficial effect of adopting above-mentioned technical scheme is: a gap is arranged between the upper shell and the middle shell to form a water seepage channel, so that raw water can uniformly and smoothly enter the filter element.

As a further improvement of the present invention, a horizontal edge and a peripheral guard plate are arranged on an end surface of the first interface of the lower shell, an inner side dimension of the horizontal edge is not smaller than an inner side dimension of an end surface of the first interface, the peripheral guard plate is vertically arranged along an edge of the horizontal edge, an opening edge is arranged on a periphery of an opening of the middle shell, the opening edge is clamped into the first interface of the lower shell, an annular protrusion is arranged on an outer side surface of the upper shell, the height of the annular protrusion is consistent with that of the peripheral guard plate, and when the annular protrusion is in contact with the horizontal edge, the second interface end surface of the upper shell abuts against the opening edge of the middle shell.

The beneficial effect of adopting above-mentioned technical scheme is: the terminal surface of the first interface of inferior valve sets up horizontal edgewise and peripheral backplate, can realize quick installation through the card income on the one hand, and on the other hand has changed the direction of connection of epitheca and inferior valve, helps connecting fixedly.

As a further improvement of the utility model, the ultrafiltration membrane and the upper shell are respectively fixed at the bottom of the lower shell and the first interface by welding.

The beneficial effect of adopting above-mentioned technical scheme is: the upper shell and the lower shell are fixed by welding, so that the fixing is firm and the durability is realized.

As a further improvement of the utility model, the filtering material component is composed of a plurality of layers of independent filtering units, wherein each filtering unit comprises a negative potential ceramic ball, coconut shell activated carbon and an ultrafiltration membrane, the ultrafiltration membrane is columnar, and the outer layer of the ultrafiltration membrane is sequentially provided with the negative potential ceramic ball and the coconut shell activated carbon from bottom to top according to a preset proportion.

The beneficial effect of adopting above-mentioned technical scheme is: the filtering material component is formed by adopting an independent filtering unit, the filtering unit can be produced in advance, the composite filter element can be directly laid and installed when being produced, the filling amount of the filtering material is more accurate, the filtering effect can be met, meanwhile, the assembly time can be effectively saved, and the production efficiency is improved.

A water purifier, comprising the composite filter element in any one of the above technical schemes.

The beneficial effect of adopting above-mentioned technical scheme is: the water purifier homoenergetic that contains any one kind among the above-mentioned technical scheme realizes simple to operate, purifies the high efficiency, and the absorption saturation volume is big, and purifying effect is good and long service life's purpose effectively solves current composite filter element clarifier structure complicacy, produces the lower problem of water efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

Fig. 1 is a schematic view of the composite filter element structure 1 of the present invention.

Fig. 2 is a schematic view of the composite filter element structure of the present invention 2.

Fig. 3 is a partially enlarged schematic view i of the composite filter element of the present invention.

Fig. 4 is a schematic view of the composite filter element structure of the present invention 3.

Fig. 5 is a schematic view of the structure of the water purifier according to the present invention.

Fig. 6 is a schematic diagram of filtration of the filtration membrane yarn of the water purifier of the present invention.

The corresponding part names indicated by the numbers in the figures are as follows:

a water purifier 01; a lower case 1; a first interface 11; a horizontal rim 111; a peripheral guard plate 112; a purified water outlet 12; a flow rate regulator 13; a middle shell 2; a housing 21; a nylon mesh 22; a first gate port 23; the middle shell is open 24; an open rim 241; an upper case 3; a second gate port 31; a second interface 32; an annular projection 321; a filter material component 4; a particle filter 41; a potential ceramic ball layer 411; activated carbon 412; a coconut shell activated carbon layer 4121; an ultrafiltration membrane 42; a filtration membrane thread 421; a filtration membrane housing 422; a filter unit 43; a top filter unit 431; an intermediate filter unit 432; a bottom filtration unit 433.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will be described more fully and in detail below with reference to the accompanying drawings and preferred embodiments, but the scope of the utility model is not limited to the specific embodiments below. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In order to realize the purpose of the utility model, the technical scheme provided by the utility model is as follows:

in some embodiments of the present invention, as shown in fig. 1, a composite filter element for a water purifier, comprises: the lower shell 1 is a hollow shell positioned at the lowest part of the composite filter element, and the top and the bottom of the lower shell are respectively provided with a first connector 11 and a purified water outlet 12; the middle shell 2 is buckled at the first interface 11 of the lower shell and comprises a shell 21 and a nylon net 22, the side surface and the bottom of the shell 21 are respectively provided with a first grid opening 23 and a middle shell opening 24, and the nylon net 22 is wrapped on the side surface of the shell 21 and completely covers the first grid opening 23; the upper shell 3 is sleeved outside the middle shell 2, the side surface and the bottom surface of the upper shell are respectively provided with a second gate port 31 and a second interface 32, and the upper shell is connected with the first interface 11 of the lower shell through the second interface 32; the filtering material component 4 is arranged in the lower shell 1 and comprises a particle filtering material 41 and an ultrafiltration membrane 42, the ultrafiltration membrane 42 is arranged at the bottom of the lower shell 1 and completely covers the purified water outlet 12 of the lower shell, and the particle filtering material 41 is composed of one or more granular filtering materials and is filled in the space between the inner wall of the lower shell 1 and the ultrafiltration membrane 42.

In other embodiments of the present invention, as shown in fig. 2, the particle filtering material 41 has a layer structure, and includes a negative potential ceramic ball layer 411 and a coconut shell activated carbon layer 4121, the negative potential ceramic ball layer 411 and the coconut shell activated carbon layer 4121 are filled in a space between the inner wall of the lower shell 1 and the ultrafiltration membrane 42, and a filling ratio of the negative potential ceramic ball layer 411 to the coconut shell activated carbon layer 412 is 0.24-0.46.

The beneficial effect of adopting above-mentioned technical scheme is: the negative potential ceramic ball layer and the coconut shell activated carbon layer are introduced into the particle filter material, so that organic pollutants in water can be efficiently removed by utilizing the characteristics of high adsorption capacity and low resistance of the coconut shell activated carbon layer, heterochromatic peculiar smell is adsorbed, the water is purer, and the filter effect is better compared with that of common activated carbon; but also can utilize the function that the negative potential ceramic ball layer can instantaneously break through water molecules to generate-OH ions, reduce the potential value of water from +200mv to-300-500 mv, adjust the PH value to about 7.3-8.5, and supplement minerals in water and activate small molecular water, thereby effectively improving the mouthfeel. When the filling ratio of the negative potential ceramic ball layer to the coconut shell activated carbon layer is in the range of 0.24-0.46, the filtering function and the taste improving function of the particle filter material are both good.

In other embodiments of the present invention, as shown in fig. 2, the negative potential ceramic sphere layer 411 and the coconut shell activated carbon layer 4121 are sequentially filled in the space between the inner wall of the lower shell 1 and the ultrafiltration membrane 42 from bottom to top in the axial direction with the ultrafiltration membrane 42 as the center.

In other embodiments of the present invention, as shown in fig. 1 and 6, the ultrafiltration membrane 42 comprises filtration membrane filaments 421, and the micro-pore diameter of the filtration membrane filaments 421 ranges from 0.01 μm to 0.1 μm.

In other embodiments of the present invention, as shown in FIGS. 1 and 6, the outer diameter of the filtration membrane filaments 421 ranges from 550 μm to 640 μm.

In other embodiments of the present invention, as shown in fig. 2, the lower case 1 further includes a flow rate regulator 13, and the flow rate regulator 13 is disposed at the clean water outlet 12 of the bottom and has a scale and a flow rate mark on the outer surface thereof.

The beneficial effect of adopting above-mentioned technical scheme is: the flow rate regulator is introduced into the water purification outlet, the purpose of controlling the flow rate can be realized by regulating the flow rate regulator, the flow rate of the water purification outlet is neither too large, the flow rate is too large, raw water is insufficiently filtered, the flow rate is too small, the filtering efficiency is too low, and the use requirement cannot be met.

In other embodiments of the present invention, as shown in fig. 1, the upper shell second gates 31 are strip-shaped through holes, the length of which in the horizontal direction is greater than the length of which in the vertical direction, and the length of which in the vertical direction is greater than the length of which in the horizontal direction, of the middle shell first gates 23, and are uniformly distributed on the side surface of the middle shell 2 along the circumferential direction.

In other embodiments of the present invention, as shown in fig. 4, there is a gap between the inner surface of the upper shell 3 and the outer surface of the middle shell 2.

In other embodiments of the present invention, as shown in fig. 3, the end surface of the first interface 11 of the lower shell is provided with a horizontal edge 111 and a peripheral guard plate 112, the inside dimension of the horizontal edge 111 is not smaller than the inside dimension of the end surface of the first interface 11, the peripheral guard plate 112 is vertically arranged along the edge of the horizontal edge 111, an opening edge 241 is arranged on the periphery of the middle shell opening 24 of the middle shell, the opening edge 241 is clamped into the first interface 11 of the lower shell, an annular protrusion 321 is arranged on the outer side surface of the upper shell 3 near the end surface of the second interface 32, the height of the annular protrusion 321 is the same as the height of the peripheral guard plate 112, and the second interface 32 of the upper shell abuts against the opening edge 241 of the middle shell while the annular protrusion 321 contacts the horizontal edge 111.

In other embodiments of the present invention, as shown in fig. 3, the ultrafiltration membrane 42 and the upper housing 3 are fixed above the bottom purified water outlet 12 of the lower housing 1 and at the first connector 11 by welding, respectively.

In other embodiments of the present invention, as shown in fig. 4, the filtering material assembly 4 is composed of a plurality of layers of independent filtering units 43, each filtering unit 43 comprises a negative potential ceramic ball 411, coconut shell activated carbon 4121 and an ultrafiltration membrane 42, the ultrafiltration membrane 42 is cylindrical, and the outer layer of the ultrafiltration membrane 42 is sequentially the negative potential ceramic ball 411 and the coconut shell activated carbon 4121 from bottom to top according to a predetermined ratio.

The filter units 43 are generally divided into a top filter unit 431, a middle filter unit 432 and a bottom filter unit 433 according to the positions, and each filter unit 43 includes the same type of filter material, but the shape is somewhat different due to the different positions.

In other embodiments of the present invention, as shown in fig. 5, a water purifier 01 comprises the composite filter element according to any one of the above embodiments.

The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the scope of the present invention.

Claims

1. A composite filter element for a water purifier, comprising:

the top and the bottom of the lower shell are respectively provided with a first connector and a purified water outlet;

the middle shell is buckled at a first interface of the lower shell and comprises a shell body and a nylon net, a first grid opening and a middle shell opening are respectively arranged on the side face and the bottom of the shell body, and the nylon net wraps the side face of the shell body and completely covers the first grid opening;

the upper shell is sleeved outside the middle shell, and the side surface and the bottom surface of the upper shell are respectively provided with a second gate port and a second interface and are connected with the first interface of the lower shell through the second interface;

filter material component arranges in the inferior valve, including particle filter material and milipore filter, the milipore filter is established inferior valve bottom, and covers completely the water purification export of inferior valve, the particle filter material is layer structure, including negative potential ceramic ball layer, coconut husk activated carbon layer, negative potential ceramic ball layer and coconut husk activated carbon layer with the milipore filter is the center along axial from up pack in proper order in inferior valve inner wall with space between the milipore filter.

2. The composite filter element for a water purifier as recited in claim 1, wherein the lower case further comprises a flow rate regulator provided at the purified water outlet of the bottom, and having a scale and a flow rate mark on an outer surface thereof.

3. The composite filter element for a water purifier as recited in claim 2, wherein the second grid of the upper shell is a strip-shaped through hole, the length of the second grid of the upper shell in the horizontal direction is greater than the length of the second grid of the upper shell in the vertical direction, the length of the first grid of the middle shell in the vertical direction is greater than the length of the first grid of the middle shell in the horizontal direction, and the first grid of the middle shell is uniformly distributed on the side surface of the middle shell along the circumferential direction.

4. The composite filter element for a water purifier as recited in claim 3, wherein a gap exists between the inner surface of the upper case and the outer surface of the middle case.

5. The composite filter element for the water purifier as recited in claim 4, wherein the first interface end surface of the lower shell is provided with a horizontal edge and a peripheral guard plate, the inside dimension of the horizontal edge is not smaller than the inside dimension of the end surface of the first interface, the peripheral guard plate is vertically arranged along the edge of the horizontal edge, the open periphery of the middle shell is provided with an open edge, the open edge is clamped into the first interface of the lower shell, an annular protrusion is arranged on the outer side surface of the upper shell close to the second interface end surface, the height of the annular protrusion is consistent with the height of the peripheral guard plate, and the second interface end surface of the upper shell abuts against the open edge of the middle shell when the annular protrusion contacts with the horizontal edge.

6. The composite filter element for a water purifier as recited in claim 5, wherein the ultrafiltration membrane and the upper shell are fixed at the bottom of the lower shell and the first interface by welding, respectively.

7. A water purifier comprising the composite filter element according to any one of claims 1 to 6.