CN216073261U - Integrated composite filter element and water purifying device - Google Patents
Integrated composite filter element and water purifying device Download PDFInfo
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- CN216073261U CN216073261U CN202120663891.4U CN202120663891U CN216073261U CN 216073261 U CN216073261 U CN 216073261U CN 202120663891 U CN202120663891 U CN 202120663891U CN 216073261 U CN216073261 U CN 216073261U
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Abstract
The utility model discloses an integrated composite filter element and a water purifying device, which comprise a shell, a primary filter element, a fine filter element, a rear filter element, a first sleeve, a second sleeve and a third sleeve, wherein the primary filter element and the fine filter element are arranged up and down; a first water passing gap between the shell and the primary filtering element is communicated with the raw water inlet; a second water passing gap between the primary filtering element and the first sleeve is communicated with the purified water outlet; a third water passing gap between the first sleeve and the second sleeve is communicated with the purified water inlet; a fourth water passing gap between the fine filtering element and the shell is communicated with the third water passing gap; one end of a fifth water passing gap formed in the third sleeve is communicated with the water outlet of the post-positioned filter element and the pure water outlet; and a sixth water passing gap between the second sleeve and the third sleeve is communicated with the concentrated water outlet. Above-mentioned composite filter element, the multistage filter core is integrated in a filter core, has reduced the volume of whole filter core system greatly, the cost is reduced.
Description
Technical Field
The utility model relates to the technical field of water purification, in particular to an integrated composite filter element and a water purification device.
Background
Along with the development and the popularization of purifier, the filter core is as the main consumptive material of purifier, and its design is also more and more crucial. Besides the filter material, the structural design not only influences the use effect and the service life of the filter element, but also influences the size of the machine, and also has great influence on environmental protection and the use cost of users. The present situation of present purifier is to need multistage filtration, and the complete machine is furnished with the multistage filter core more than 1, and the complete machine is bulky and with high costs, because filter core replacement cycle at different levels is inconsistent, leads to the filter core to change frequently.
SUMMERY OF THE UTILITY MODEL
Based on the technical problem, the utility model aims to provide an integrated composite filter element and a water purification device which are integrated with a plurality of stages of filter elements and low in cost.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:
an integrated composite filter element comprising:
a shell, one end of which is provided with a raw water inlet, a purified water outlet, a purified water inlet, a concentrated water outlet and a purified water outlet;
a primary filter cartridge disposed within the housing;
the fine filtering filter element and the primary filtering filter element are coaxially arranged in the shell up and down, and the fine filtering filter element comprises a central pipe and a reverse osmosis membrane coated on the central pipe;
the rear filter element is arranged inside the central tube;
a first sleeve disposed inside the primary filter cartridge;
the second sleeve is coaxially sleeved inside the first sleeve;
the third sleeve pipe part is coaxially sleeved inside the second sleeve pipe;
a first water passing gap is formed between the inner wall of the shell and the outer wall of the primary filtering filter element and communicated with the raw water inlet;
a second water passing gap is formed between the inner wall of the primary filtering filter element and the outer wall of the first sleeve, and the second water passing gap is communicated with the purified water outlet;
a third water passing gap is formed between the inner wall of the first sleeve and the second sleeve and is communicated with the purified water inlet;
a fourth water passing gap is arranged between the inner wall of the shell and the fine filtering element and communicated with the third water passing gap;
a fifth water passing gap is formed in the third sleeve, one end of the fifth water passing gap is communicated with the water outlet of the rear filter element, and the other end of the fifth water passing gap is communicated with the pure water outlet;
a sixth water passing gap is arranged between the second sleeve and the third sleeve and is communicated with the concentrated water outlet; one end of the fine filtering filter element, which is close to the primary filtering filter element, is a water outlet end, and the water outlet end of the fine filtering filter element is communicated with the sixth water passing gap.
Furthermore, a hollow cavity extending longitudinally is arranged in the center of the rear filter element, a seventh water passing gap is formed in the hollow cavity, and the seventh water passing gap is communicated with the fifth water passing gap.
Further, the first sleeve comprises a first narrow barrel portion and a first wide barrel portion which are connected; one end of the first narrow cylinder part is fixedly connected with the shell, the first narrow cylinder part is positioned on the inner side of the primary filtering filter element, and a second water passing gap is formed between the first narrow cylinder part and the inner wall of the primary filtering filter element; the side wall of the first wide tube part extends vertically in a direction close to the first narrow tube part, and one end of the primary filter element is fixed in the first wide tube part.
Further, the second sleeve comprises a second narrow tube portion and a second wide tube portion which are connected; the side wall of the second wide cylinder part extends vertically in the direction far away from the second narrow cylinder part; the first water passing gaps are formed between the outer wall of the second narrow cylinder part and the inner wall of the first narrow cylinder part and between the end face of the second wide cylinder part and the end face of the first wide cylinder part; the reverse osmosis membrane is arranged in the first wide cylinder part, and the fourth water passing gap is arranged between the outer wall of the first wide cylinder part and the outer side of the reverse osmosis membrane and the inner wall of the shell.
Further, the third sleeve comprises a third narrow cylinder part and a third wide cylinder part which are connected; the sixth water passing gap is arranged between the third narrow cylinder part and the second narrow cylinder part; and a water outlet gap is formed between the water outlet end of the reverse osmosis membrane and the inner end surface of the second wide cylinder part, and the water outlet gap is communicated with the sixth water passing gap.
Further, the third wide barrel part is sleeved in the central tube and is connected with the inner wall of the central tube in a sealing mode.
Further, the rear filter element comprises a rear filter element and a rear filter element end cover arranged at one end of the rear filter element, the rear filter element end cover is arranged at one end far away from the primary filter element, and one end, close to the primary filter element, of the rear filter element is arranged in the third wide cylinder part.
Further, elementary filtration filter core includes the cotton filter core of PP and the carbon-point filter core that outside-in set gradually, or the cotton filter core of first PP, carbon fiber filter core and the cotton filter core of second PP that outside-in set gradually, or the cotton filter core of first PP, the cotton filter core of carbon-point filter core and the cotton filter core of second PP that outside-in set gradually.
Furthermore, the rear filter element is a carbon rod or a mineralized filter element.
The utility model also comprises a water purifying device which comprises the integrated composite filter element.
Compared with the prior art, the utility model has the advantages and positive effects that:
above-mentioned integrated form composite filter element, elementary filtration filter core and meticulous filter core set up from top to bottom, and the central tube of meticulous filter core is located to rearmounted filter core cover, and multistage filter core is integrated in a filter core, has reduced whole filter core system's volume greatly, need not to be equipped with other filter cores and can realize the filter effect that the complete machine goes out the pure water.
Other features and advantages of the present invention will become more apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of an integrated composite filter element according to the present invention;
FIG. 2 is a top view of an integrated composite filter element according to the present invention;
FIG. 3 is a cross-sectional view of an integrated composite filter element of the present invention
FIG. 4 is a schematic water flow diagram of an integrated composite filter element according to the present invention;
description of reference numerals:
a housing 100; a mounting table 110; a raw water inlet 111; a clean water inlet 112; a purified water outlet 113; a concentrate outlet 114; a pure water outlet 115;
a primary filtration cartridge 200; a primary filter media 210; primary filter cartridge end cap 220;
a fine filter element 300; a center tube 310; a reverse osmosis membrane 320;
a rear filter element 400; a post filter 410; a rear cartridge end cap 420;
a first sleeve 500; a first narrow tube portion 510; a first wide tube portion 520;
a second sleeve 600; a second narrow tube portion 610; a second wide tube portion 620;
a third sleeve 700; a third narrow tube portion 710; a third wide tube portion 720;
a first water passing gap A; a second water passing gap B; a third water passing gap C; a fourth water passing gap D; a fifth water gap E; a sixth water passing gap F; a seventh water passing gap G; and a water outlet gap H.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
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 otherwise specified.
Referring to fig. 1-4, an embodiment of an integrated composite filter element according to the present invention includes a housing 100, a primary filter element 200 disposed in the housing 100, a fine filter element 300, a post-filter element 400, a first sleeve 500, and a second sleeve 600. For convenience of the following description, the up-down direction of the integrated composite filter element is defined by the up-down position of the integrated composite filter element shown in the drawings.
The casing 100 includes a casing 100 body having one end closed and the other end opened, and an end cap covering the opened end of the casing 100 body. The upper end of the housing 100 is provided with a mounting table 110, and the mounting table 110 is provided with a raw water inlet 111, a purified water outlet 113, a purified water inlet 112, a concentrated water outlet 114 and a purified water outlet 115.
The primary filter cartridge 200 and the fine filter cartridge 300 are coaxially disposed up and down in the housing 100.
The fine filter cartridge 300 includes a center tube 310 and a reverse osmosis membrane 320 wrapped around the center tube 310. The central tube 310 is provided with a plurality of through holes, and pure water filtered by the reverse osmosis membrane 320 enters the central tube 310 through the through holes. One end of the fine filter element 300 close to the primary filter element 200 is a water outlet end, and the other end is a water inlet end, that is, the upper end of the fine filter element 300 is a water outlet end, and the lower end is a water inlet end.
The rear filter element 400 is disposed inside the center tube 310.
The first, second and third sleeves 500, 600, 700 are disposed inside the primary filter cartridge 200; the second sleeve 600 is coaxially sleeved inside the first sleeve 500, and the third sleeve 700 is coaxially sleeved inside the second sleeve 600. There are gaps between the first sleeve 500 and the second sleeve 600 and between the second sleeve 600 and the third sleeve 700.
A first water passing gap a is formed between the inner wall of the housing 100 and the outer wall of the primary filter element 200, and the first water passing gap a is communicated with the raw water inlet 111.
A second water passing gap B is arranged between the inner wall of the primary filtering element 200 and the outer wall of the first sleeve 500, and the second water passing gap B is communicated with the purified water outlet 113.
A third water passing gap C is arranged between the inner wall of the first sleeve 500 and the second sleeve 600, and the third water passing gap C is communicated with the purified water inlet 112.
A fourth water passing gap D is provided between the inner wall of the housing 100 and the fine filtering cartridge 300, and the fourth water passing gap D is communicated with the third water passing gap C.
A fifth water passing gap E is formed inside the third sleeve 700, one end of the fifth water passing gap E is communicated with the water outlet of the rear filter element 400, and the other end is communicated with the pure water outlet 115.
A sixth water passing gap F is arranged between the second sleeve 600 and the third sleeve 700 and is communicated with the concentrated water outlet 114; one end of the fine filter element 300 close to the primary filter element 200 is a water outlet end, and the water outlet end of the fine filter element 300 is communicated with the sixth water gap F.
Referring to fig. 4, raw water enters the first water passing gap a from the raw water inlet 111, and purified water filtered by the primary filter element 200 enters the second water passing gap B and then flows out from the purified water outlet 113. The purified water flowing out of the purified water outlet 113 flows in from the purified water inlet 112 after being pressurized by the booster pump, flows into the fourth water passing gap D from the third water passing gap C, flows into the fine filtering element 300 through the water inlet end of the fine filtering element 300, flows into the central tube 310 through the reverse osmosis membrane 320 after being filtered by the fine filtering element 300, and is discharged from the concentrated water outlet 114 through the sixth water passing gap F. The pure water flowing out of the central tube 310 of the fine filter element 300 is filtered by the post-filter element 400, enters the fifth water passing gap E through the water outlet of the post-filter element 400, and finally flows out of the pure water outlet 115.
The integrated composite filter element comprises the primary filter element 200 and the fine filter element 300 which are arranged up and down, the rear filter element 400 is sleeved in the central tube 310 of the fine filter element 300, the multi-stage filter element is integrated in one filter element, the size of the whole filter element system is greatly reduced, and the filtering effect of the whole machine for producing pure water can be realized without other filter elements.
In this embodiment, the first sleeve 500 includes a first narrow leg portion 510 and a first wide leg portion 520 that are connected. One end of the first narrow tube part 510 is fixedly connected to the housing 100, and the first narrow tube part 510 is located inside the primary filter cartridge 200, and forms a second water passing gap B with the inner wall of the primary filter cartridge 200. The side wall of the first wide tube portion 520 extends vertically in a direction close to the first narrow tube portion 510, and one end of the primary filter cartridge 200 is fixed in the first wide tube portion 520. In this embodiment, the primary filter element 200 includes a primary filter element 210 and a primary filter element end cap 220 disposed at an upper end of the primary filter element 210, and a lower end of the primary filter element 210 is fixed by a first sleeve 500. The first sleeve 500 functions not only to guide the flow of water but also to fix the primary filter cartridge 200. The first wide tube portion 520 is sealingly connected to the inner wall of the housing 100 by a seal ring. In this embodiment, the upper end of the first narrow cylinder portion 510 has a small section of wide cylinder portion that is fixedly attached to the housing 100.
The second sleeve 600 includes a second narrow leg portion 610 and a second wide leg portion 620 that are connected. The side wall of the second wide tube portion 620 extends vertically in a direction away from the second narrow tube portion 610. First water passing gaps a are formed between the outer wall of the second narrow tube portion 610 and the inner wall of the first narrow tube portion 510, and between the end face of the second wide tube portion 620 and the end face of the first wide tube portion 520. The reverse osmosis membrane 320 is provided in the first wide tube portion 520, and a fourth water passing gap D is provided between the outer wall of the first wide tube portion 520 and the outer side of the reverse osmosis membrane 320 and the inner wall of the casing 100. In this embodiment, the upper end of the second narrow cylindrical portion 610 also has a small section of wide cylindrical portion that is fixedly attached to the housing 100.
The third sleeve includes a third narrow leg portion 710 and a third wide leg portion 720 that are connected. A sixth water passing gap F is provided between the third narrow tube part 710 and the second narrow tube part 610; a water outlet gap H is formed between the water outlet end of the reverse osmosis membrane 320 and the inner end face of the second wide tube part 620, and the water outlet gap H is communicated with the sixth water passing gap F. The third wide cylinder portion 720 is sleeved in the central tube 310 and is connected with the inner wall of the central tube 310 by a sealing ring in a sealing manner.
In this embodiment, the rear filter element 400 includes a rear filter element 410 and a rear filter element end cap 420 disposed at one end of the rear filter element 410, the rear filter element end cap 420 is disposed at one end far away from the primary filter element 200, one end of the rear filter element 410 close to the primary filter element 200 is disposed in the third wide tube portion 720, that is, the rear filter element end cap 420 is disposed at the lower end of the rear filter element 410, and the upper end of the rear filter element 410 is disposed in the third wide tube portion 720.
The center of the rear filter material 410 is provided with a hollow cavity extending longitudinally, the hollow cavity forms a seventh water passing gap G, and the seventh water passing gap G is communicated with the fifth water passing gap E. The post filter 410 may be a carbon rod, and the carbon rod is sleeved in the central tube 310. Preferably, the carbon rod has a length equal to the length of the center tube 310 to ensure that all of the pure water in the center tube 310 can be filtered by the post-filter 400 assembly. The hollow cavity of the carbon rod is preferably the same as the inner diameter of the second sleeve. In other embodiments, the back filter 410 may be activated carbon fiber, or granular activated carbon or activated carbon processed into blocks and filled in the central tube 310.
The rear filter element 400 may be a mineralized filter element mixed with mineralized substances such as maifanite, and the mineralized filter element can activate and mineralize the pure water, so as to add various trace elements beneficial to human body into the pure water.
In this embodiment, primary filter media 210 includes the cotton filter core of PP and the carbon-point filter core that outside-in set gradually, perhaps includes the cotton filter core of first PP, carbon fiber filter core and the cotton filter core of second PP that outside-in set gradually, perhaps includes the cotton filter core of first PP, carbon-point filter core and the cotton filter core of second PP that outside-in set gradually.
The utility model also comprises a water purifying device which comprises the integrated composite filter element. The primary filter element and the fine filter element of the integrated composite filter element are arranged up and down, the rear filter element sleeve is arranged in the center pipe of the fine filter element, the multi-stage filter element is integrated in one filter element, the size of the whole filter element system is greatly reduced, and the filtering effect of the whole machine for producing pure water can be realized without being equipped with other filter elements.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (10)
1. An integrated composite filter element, comprising:
a shell, one end of which is provided with a raw water inlet, a purified water outlet, a purified water inlet, a concentrated water outlet and a purified water outlet;
a primary filter cartridge disposed within the housing;
the fine filtering filter element and the primary filtering filter element are coaxially arranged in the shell up and down, and the fine filtering filter element comprises a central pipe and a reverse osmosis membrane coated on the central pipe;
the rear filter element is arranged inside the central tube;
a first sleeve disposed inside the primary filter cartridge;
the second sleeve is coaxially sleeved inside the first sleeve;
the third sleeve is coaxially sleeved inside the second sleeve;
a first water passing gap is formed between the inner wall of the shell and the outer wall of the primary filtering filter element and communicated with the raw water inlet;
a second water passing gap is formed between the inner wall of the primary filtering filter element and the outer wall of the first sleeve, and the second water passing gap is communicated with the purified water outlet;
a third water passing gap is formed between the inner wall of the first sleeve and the second sleeve and is communicated with the purified water inlet;
a fourth water passing gap is arranged between the inner wall of the shell and the fine filtering element and communicated with the third water passing gap;
a fifth water passing gap is formed in the third sleeve, one end of the fifth water passing gap is communicated with the water outlet of the rear filter element, and the other end of the fifth water passing gap is communicated with the pure water outlet;
a sixth water passing gap is arranged between the second sleeve and the third sleeve and is communicated with the concentrated water outlet; one end of the fine filtering filter element, which is close to the primary filtering filter element, is a water outlet end, and the water outlet end of the fine filtering filter element is communicated with the sixth water passing gap.
2. The integrated composite filter element according to claim 1 wherein the rear filter element has a longitudinally extending hollow cavity in the center thereof, the hollow cavity forming a seventh water passing gap, the seventh water passing gap communicating with the fifth water passing gap.
3. The integrated composite filter cartridge of claim 1, wherein the first sleeve comprises a first narrow barrel portion and a first wide barrel portion connected; one end of the first narrow cylinder part is fixedly connected with the shell, the first narrow cylinder part is positioned on the inner side of the primary filtering filter element, and a second water passing gap is formed between the first narrow cylinder part and the inner wall of the primary filtering filter element; the side wall of the first wide tube part extends vertically in a direction close to the first narrow tube part, and one end of the primary filter element is fixed in the first wide tube part.
4. The integrated composite filter cartridge of claim 3, wherein the second sleeve comprises a second narrow barrel portion and a second wide barrel portion connected; the side wall of the second wide cylinder part extends vertically in the direction far away from the second narrow cylinder part; the first water passing gaps are formed between the outer wall of the second narrow cylinder part and the inner wall of the first narrow cylinder part and between the end face of the second wide cylinder part and the end face of the first wide cylinder part; the reverse osmosis membrane is arranged in the first wide cylinder part, and the fourth water passing gap is arranged between the outer wall of the first wide cylinder part and the outer side of the reverse osmosis membrane and the inner wall of the shell.
5. The integrated composite filter cartridge of claim 4, wherein the third sleeve comprises a third narrow skirt portion and a third wide skirt portion connected; the sixth water passing gap is arranged between the third narrow cylinder part and the second narrow cylinder part; and a water outlet gap is formed between the water outlet end of the reverse osmosis membrane and the inner end surface of the second wide cylinder part, and the water outlet gap is communicated with the sixth water passing gap.
6. The integrated composite filter element according to claim 5 wherein the third wide barrel is nested within the center tube and sealingly connected to the inner wall of the center tube.
7. The integrated composite filter element according to claim 6, wherein the rear filter element comprises a rear filter element and a rear filter element end cap disposed at one end of the rear filter element, the rear filter element end cap is disposed at one end far away from the primary filter element, and one end of the rear filter element close to the primary filter element is disposed in the third wide cylinder portion.
8. The integrated composite filter element according to claim 1, wherein the primary filter element comprises a PP cotton filter element and a carbon rod filter element which are arranged in sequence from outside to inside, or a first PP cotton filter element, a carbon fiber filter element and a second PP cotton filter element which are arranged in sequence from outside to inside, or a first PP cotton filter element, a carbon rod filter element and a second PP cotton filter element which are arranged in sequence from outside to inside.
9. An integrated composite filter element according to any one of claims 1 to 8, wherein the post-filter element is a carbon rod or a mineralising filter element.
10. A water purification unit comprising an integrated composite filter element according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120663891.4U CN216073261U (en) | 2021-03-31 | 2021-03-31 | Integrated composite filter element and water purifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120663891.4U CN216073261U (en) | 2021-03-31 | 2021-03-31 | Integrated composite filter element and water purifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216073261U true CN216073261U (en) | 2022-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120663891.4U Active CN216073261U (en) | 2021-03-31 | 2021-03-31 | Integrated composite filter element and water purifying device |
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| Country | Link |
|---|---|
| CN (1) | CN216073261U (en) |
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2021
- 2021-03-31 CN CN202120663891.4U patent/CN216073261U/en active Active
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