CN211198815U

CN211198815U - Take reverse osmosis's five unification composite filter

Info

Publication number: CN211198815U
Application number: CN201922141872.0U
Authority: CN
Inventors: 张益凡; 李国军; 叶小兵; 彭荣誉; 朱礼胜; 吴时萍
Original assignee: Jiangxi Sowing Science & Technology Co ltd
Current assignee: Jiangxi Sowing Science & Technology Co ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-08-07
Anticipated expiration: 2029-12-04

Abstract

The utility model discloses a take five unification composite filter of reverse osmosis, including shell, lower cover, upper end cover, leading filter core, reverse osmosis filter core and interior cavity, the inside of shell is equipped with interior cavity, the upper end of interior cavity is connected with the interior top of shell through the upper end cover, the lower extreme of interior cavity passes through the bottom end cover and is connected with the bottom sealing of shell, form leading filter core filtration passageway between shell and the interior cavity, be equipped with a plurality of grades of leading filter cores in the leading filter core filtration passageway, wherein, the outer wall of interior cavity one side hugs closely inlayer leading filter core, it goes out the water passageway to form the purified water between the outer wall of interior cavity opposite side and the inlayer leading filter core; the inside of inner chamber body is equipped with the reverse osmosis filter core, forms reverse osmosis filter channel between reverse osmosis filter core and the inner chamber body. The utility model discloses a five unification composite filter core can replace the filtration mode of original leading filter core + independent reverse osmosis filter core, has reduced the volume of filter core greatly, makes product change, simple to operate, has also reduced the maintenance cost simultaneously.

Description

Take reverse osmosis's five unification composite filter

Technical Field

The utility model relates to a water purification unit field specifically relates to a take reverse osmosis's five unification composite filter core.

Background

Along with the higher sanitary requirement of people on drinking water, the water purifier is more and more widely used in various occasions (such as families, enterprises, some entertainment places and the like), a front filter element and a reverse osmosis filter element need to be assembled on the traditional reverse osmosis water purifier, and the assembly of the filter elements is generally that one filter bottle is provided with one filter element or one filter bottle is provided with a plurality of front filter elements.

In the prior art, CN 201810043284.0 is named as reverse osmosis composite filter element component; including installation head, shell and the reverse osmosis filter core that is located the shell, the installation head is located the tip of shell, the reverse osmosis filter core includes center tube and the reverse osmosis membrane of winding on the center tube, form raw water guide layer and pure water guide layer in the reverse osmosis membrane, the first flow channel in pure water guide layer and the center tube communicates with each other, includes: the reverse osmosis filter comprises a raw water inlet, a pure water outlet and a concentrated water outlet, wherein the raw water inlet and the concentrated water outlet are positioned on a mounting head, and the pure water outlet is positioned on a shell and communicated with one end of a reverse osmosis filter element away from the mounting head; rearmounted purification filter core is located between the tip of reverse osmosis filter core and the diapire of shell, including the side of intaking and going out the water side, first flow path intercommunication pure water guide layer and the side of intaking of rearmounted purification filter core, the play water side and the pure water delivery port of rearmounted purification filter core communicate with each other, this utility model sets up reverse osmosis filter core and rearmounted purification unit in a filter core subassembly, has reduced the quantity of filter core in the reverse osmosis water purification machine, and is corresponding, has simplified the pipeline overall arrangement between the filter core, simultaneously, also simplifies filter core life-span control and warning and filter core change.

CN 201610277992.1, entitled "a five-in-one flat-pressing filter element for treating drinking water"; the coconut shell activated carbon fiber composite material comprises a sintered coconut shell activated carbon rod, wherein the center position of the sintered coconut shell activated carbon rod is of a hollow structure to form a penetrating inner cavity, a PE primary filter shell is arranged on the outer wall of the sintered coconut shell activated carbon rod, the inner wall of the PE primary filter shell wraps the sintered coconut shell activated carbon rod, a narrow water flow buffer interlayer is formed between the PE primary filter shell and an inner layer carbon rod, a softened resin tank is arranged in the inner cavity of the sintered coconut shell activated carbon rod, cation softened resin is arranged in the cavity of the softened resin tank, a water inlet hole is formed in the upper end of the softened resin tank, a sintered activated carbon tank is arranged at the lower end of the softened resin tank, bromine resin particles are arranged in the cavity at the inlet position of the sintered activated carbon tank, the outlet of the sintered activated carbon tank is connected with the inlet of a hollow fiber filter membrane tank body, and the outlet of the hollow fiber filter membrane tank, hollow fiber ultrafiltration membrane filaments are arranged in the inner cavity of the hollow fiber filtration membrane tank body; the PE primary filter shell is of a cylindrical structure, and is a PE sintered filter element; the upper end of the softened resin tank is packaged with a cover plate, the cover plate is uniformly provided with through water inlet holes, the inner side of the cover plate is provided with a PP cotton gasket, the cavity below the PP cotton gasket is provided with the cation softened resin, five different filtering or processing materials are adopted to manufacture specific modules and are integrated into a whole, the structure is compact, the resistance of water passing is not increased, the original three-stage independent filtering mode is replaced, the size of a filter element is greatly reduced, the product replacement and the installation are convenient, and the use cost is also reduced.

CN 201520157644.1, entitled "a composite integrated multi-membrane filter element"; including straining shell and the filter media in it, the filter media from intaking the end and being hollow fiber membrane, activated carbon fiber filter core and absorption filter media to going out the water end in proper order, strain the shell and be split type detachable construction, strain the shell and include upper cover, inferior valve, upper cover, inferior valve and middle shell cooperation formation detachable construction, the middle shell wherein becomes hollow fiber membrane module with the hollow fiber membrane cooperation, establish absorption filter media, activated carbon fiber filter core in the upper cover internal rotation, upper cover and middle shell spiro union, the membrane head of hollow fiber membrane is arranged in the middle shell, thereby another interface and the inferior valve spiro union of middle shell are arranged the main part of hollow fiber membrane in the inferior valve, make up convenient and fast.

However, the front filter element and the reverse osmosis filter element cannot be installed in the same filter bottle at the same time, and only one filter bottle on one water purifier cannot be installed in the true sense. In view of the above, there is a need for further improvements to the prior art.

SUMMERY OF THE UTILITY MODEL

The technical problem solved by the utility model is to provide a five-in-one composite filter element with reverse osmosis to solve the disadvantages in the background technology.

The utility model provides a technical problem adopt following technical scheme to realize:

a five-in-one composite filter element with reverse osmosis comprises a shell, a lower end cover, an upper end cover, a front filter element, a reverse osmosis filter element and an inner cavity, wherein the shell is of a cylindrical structure with a lower opening;

the inner cavity is internally provided with a reverse osmosis filter element, the reverse osmosis filter element comprises a central tube and a reverse osmosis membrane wound on the central tube, a reverse osmosis filter channel is formed between the reverse osmosis filter element and the inner cavity, the lower part of the reverse osmosis membrane is sealed with the inner wall of the inner cavity through a reverse osmosis membrane sealing ring to form a wastewater channel, a hollow reverse osmosis filtered water channel is formed in the central tube,

the lower end cover is provided with a raw water inlet corresponding to the filter channel of the preposed filter element, a purified water outlet corresponding to the purified water outlet channel, a booster pump water inlet corresponding to the reverse osmosis filter channel, a waste water outlet corresponding to the waste water channel and a pure water outlet corresponding to the reverse osmosis filter outlet channel.

Furthermore, a raw water inlet, a booster pump water inlet, a pure water outlet, a purified water outlet and a waste water outlet are arranged side by side along the radial direction of the lower end cover.

Furthermore, the upper surface of lower extreme cover upwards the protrusion be equipped with correspond booster pump water inlet and reverse osmosis filter passageway's interior cavity inlet opening.

Further, interior cavity includes that hollow cylindricality body and arc are protruding, and one side of cylindricality body outwards protrudes and is equipped with the arc arch, and the upper surface of lower extreme cover upwards protrudes and is equipped with semi-circular closing plate, forms the interior cavity inlet opening that communicates with the booster pump water inlet between semi-circular closing plate and the arc arch.

Furthermore, the inner surface of the lower end cover is provided with an inserting column corresponding to the central pipe and the pure water outlet, the inserting column is provided with at least two sealing ring grooves, and sealing rings are arranged in the sealing ring grooves.

Furthermore, the front filter element sequentially comprises a PP cotton filter element, a front activated carbon filter element and a rear PP cotton filter element from the outer side to the inner side.

Furthermore, a rear activated carbon filter element is arranged in the lower end of the central tube.

Furthermore, an annular sealing groove corresponding to the inner cavity is formed in the inner bottom of the upper end cover, and the upper end cover is connected with the inner cavity in a welding mode.

Furthermore, the lower end cover and the inner cavity body are of an integrally formed structure, and the outer wall of the lower end cover is connected with the inner wall of the shell in a welding mode.

The utility model has the advantages that:

the utility model discloses at the overhead interior cavity that grows of traditional filter core, interior cavity is through making the dysmorphism of a non-perfect circle (the dysmorphism is that the whole circle is the basis of profile, an arch of doing alone, and the middle through-hole that is of this protruding position can the usefulness of intaking). The reverse osmosis membrane sealing ring is in a regular circle shape, water can enter through an inner cavity water inlet hole while normally sealing water, the upper end of the inner cavity water inlet hole is higher than the reverse osmosis membrane sealing ring, the inner cavity is welded with an end cover, water passing through the reverse osmosis membrane can circulate in the inner cavity in a closed mode, front PP cotton, front activated carbon and rear PP cotton are arranged on the periphery of the inner cavity before the inner cavity is welded with the end cover, rear activated carbon is arranged at the lower end of the reverse osmosis membrane, the end cover and the inner cavity are welded, and finally a filter bottle and the inner cavity are welded, so that the five filter elements are combined together to form the five-in-one filter element.

2. Reasonable, the compact structure in overall arrangement, reasonable unobstructed in filter flask the inside water route, the inlet outlet only need distribute one end, beautifully can make the mounting means of filter flask more nimble again promptly, with leading filter core (leading PP is cotton, leading active carbon, rearmounted PP is cotton), reverse osmosis filter core and rearmounted active carbon filter core, integrate in a shell, reduced manufacturing cost, simplified the overall arrangement of pipeline between the filter core.

3. Adopt one the utility model provides a take reverse osmosis's five unification composite filter core can replace the filtration mode of original leading filter core + independent reverse osmosis filter core, has reduced the volume of filter core greatly, makes product change, simple to operate, has also reduced the maintenance cost simultaneously.

4. Adopt one the utility model provides a take reverse osmosis's five unification composite filter core can satisfy impurity such as organic matter, colloid, bacterium, virus in the former aquatic, especially to the comprehensive filtration of impurity such as inorganic salt, heavy metal ion, can also play the heterochrosis peculiar smell of absorption simultaneously, improves effects such as the taste of pure water.

Drawings

Fig. 1 is a front view of a preferred embodiment 1 of the present invention;

fig. 2 is a plan view of the preferred embodiment 1 of the present invention;

fig. 3 is a bottom view of the preferred embodiment 1 of the present invention;

FIG. 4 is a cross-sectional view taken along A-A of FIG. 1;

FIG. 5 is a cross-sectional view of FIG. 4 with the housing removed;

FIG. 6 is a top view of FIG. 4;

fig. 7 is a side view of the preferred embodiment 1 of the present invention;

FIG. 8 is a cross-sectional view taken along B-B of FIG. 7;

FIG. 9 is a cross-sectional view taken along C-C of FIG. 7;

in the figure, a shell 1, a lower end cover 2, an upper end cover 3, a front PP cotton filter element 4, a front activated carbon filter element 5, a rear PP cotton filter element 6, a reverse osmosis filter element 7, a rear activated carbon filter element 8, a reverse osmosis membrane sealing ring 9, an inner cavity 10, an insertion column 11, a semicircular sealing plate 12, a raw water inlet 21, a booster pump water inlet 22, a pure water outlet 23, a purified water outlet 24, a waste water outlet 25, an annular sealing groove 31, a central tube 71, a reverse osmosis membrane 72, a cylindrical body 100, an arc-shaped bulge 101, an inner cavity water inlet hole 102, a front filter element filtering channel 200, a purified water outlet channel 300, a reverse osmosis filtering channel 400, a waste water channel 500 and a reverse osmosis filtering water channel 600.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.

Example 1: referring to fig. 1-9, a five-in-one composite filter element with reverse osmosis includes a housing 1, a lower end cap 2, an upper end cap 3, a front filter element, a reverse osmosis filter element 7 and an inner cavity 10, where the housing 1 is a cylindrical structure with a lower opening, the inner cavity 10 is arranged inside the housing 1, the upper end of the inner cavity 10 is hermetically connected with the inner top of the housing 1 through the upper end cap 3, the lower end of the inner cavity 10 is hermetically connected with the bottom of the housing 1 through the lower end cap 2, a front filter element filtering channel 200 is formed between the housing 1 and the inner cavity 10, and a plurality of stages of front filter elements are arranged in the front filter element filtering channel 200, where an outer wall on one side of the inner cavity 10 is tightly attached to the innermost front filter element, and a purified water outlet channel 300 is formed between an outer wall on the other side of the inner;

the inner cavity 10 is internally provided with a reverse osmosis filter element 7, the reverse osmosis filter element 7 comprises a central tube 71 and a reverse osmosis membrane 72 wound on the central tube 71, a reverse osmosis filtering channel 400 is formed between the reverse osmosis filter element 7 and the inner cavity 10, the lower part of the reverse osmosis membrane 72 is sealed with the inner wall of the inner cavity 10 through a reverse osmosis membrane sealing ring 9 to form a wastewater channel 500, a hollow reverse osmosis filtered water channel 600 is formed inside the central tube 71,

the lower end cover 2 is provided with a raw water inlet 21 corresponding to the pre-filter element filtering channel 200, a purified water outlet 24 corresponding to the purified water outlet channel 300, a booster pump water inlet 22 corresponding to the reverse osmosis filtering channel 400, a waste water outlet 25 corresponding to the waste water channel 500 and a pure water outlet 23 corresponding to the reverse osmosis filtering water outlet channel 600.

In this embodiment, as shown in fig. 3, the raw water inlet 21, the booster pump water inlet 22, the pure water outlet 23, the purified water outlet 24, and the waste water outlet 25 are arranged side by side in the radial direction of the lower end cap 2.

In this embodiment, the upper surface of the lower end cap 2 is provided with an inner cavity water inlet 102 protruding upwards and corresponding to the booster pump water inlet 22 and the reverse osmosis filtration channel 400.

In this embodiment, the inner cavity 10 includes a hollow cylindrical body 100 and an arc protrusion 101, the arc protrusion 101 is protruded outwards from one side of the cylindrical body 100, the semicircular sealing plate 12 is protruded upwards from the upper surface of the lower end cap 2, and an inner cavity water inlet 102 communicated with the booster pump water inlet 22 is formed between the semicircular sealing plate 12 and the arc protrusion 101.

In this embodiment, as shown in fig. 4, the inner surface of the lower end cap 2 is provided with an insertion column 11 corresponding to the central tube 71 and the pure water outlet 23, the insertion column 11 is provided with at least two sealing ring grooves, and sealing rings are arranged in the sealing ring grooves.

In this embodiment, as shown in fig. 4, the front filter element sequentially includes a PP cotton filter element 4, a front activated carbon filter element 5, and a rear PP cotton filter element 6 from the outside to the inside.

In this embodiment, as shown in fig. 4, a rear activated carbon filter element 8 is provided in the lower end of the center tube 71.

In this embodiment, as shown in fig. 5, an annular sealing groove 31 corresponding to the inner cavity 10 is formed at the inner bottom of the upper end cap 3, and the upper end cap 3 is welded to the inner cavity 10.

In this embodiment, as shown in fig. 5, the lower end cap 2 and the inner cavity 10 are an integrally formed structure, and the outer wall of the lower end cap 2 is welded to the inner wall of the housing 1.

The utility model discloses the water filtration process does:

tap water is led into the preposed filter element filtering channel 200 from the raw water inlet 21, and sequentially passes through the preposed PP cotton filter element 4, the preposed activated carbon filter element 5 and the postposition PP cotton filter element 6 to play a role of primary filtration, the primarily filtered water enters the purified water outlet channel 300, and then is pumped into the booster pump water inlet 22 from the purified water outlet 24 through a pipeline and a booster pump, the purified water enters the reverse osmosis filtering channel 400 from the booster pump water inlet 22, the purified water enters and is filtered through the top of the reverse osmosis membrane 72, the filtered pure water enters the postposition activated carbon filter element 8 from the reverse osmosis filtering water outlet 600 to be filtered and then is led out from the pure water outlet 23, the wastewater then enters the wastewater channel 500, and finally is led out from.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A five-in-one composite filter element with reverse osmosis comprises a shell (1), a lower end cover (2), an upper end cover (3), a preposed filter element, a reverse osmosis filter element (7) and an inner cavity body (10), it is characterized in that the shell (1) is of a cylindrical structure with a lower opening, an inner cavity (10) is arranged in the shell (1), the upper end of the inner cavity (10) is hermetically connected with the inner top of the shell (1) through an upper end cover (3), the lower end of the inner cavity (10) is hermetically connected with the bottom of the shell (1) through a lower end cover (2), a preposed filter element filtering channel (200) is formed between the shell (1) and the inner cavity (10), a plurality of stages of preposed filter elements are arranged in the preposed filter element filtering channel (200), wherein, the outer wall of one side of the inner cavity (10) is tightly attached to the front filter element of the innermost layer, and a purified water outlet channel (300) is formed between the outer wall of the other side of the inner cavity (10) and the front filter element of the innermost layer;

the inner part of the inner cavity (10) is provided with a reverse osmosis filter element (7), the reverse osmosis filter element (7) comprises a central tube (71) and a reverse osmosis membrane (72) wound on the central tube (71), a reverse osmosis filtering channel (400) is formed between the reverse osmosis filter element (7) and the inner cavity (10), the lower part of the reverse osmosis membrane (72) is sealed with the inner wall of the inner cavity (10) through a reverse osmosis membrane sealing ring (9) to form a waste water channel (500), a hollow reverse osmosis filtered water channel (600) is formed in the central tube (71),

the lower end cover (2) is provided with a raw water inlet (21) corresponding to the front filter element filtering channel (200), a purified water outlet (24) corresponding to the purified water outlet channel (300), a booster pump water inlet (22) corresponding to the reverse osmosis filtering channel (400), a waste water outlet (25) corresponding to the waste water channel (500) and a pure water outlet (23) corresponding to the reverse osmosis filtering water outlet channel (600).

2. A five-in-one composite filter element with reverse osmosis according to claim 1, characterized in that the raw water inlet (21), the booster pump water inlet (22), the pure water outlet (23), the purified water outlet (24) and the waste water outlet (25) are arranged side by side along the radial direction of the lower end cover (2).

3. A five-in-one composite filter element with reverse osmosis according to claim 1, wherein the upper surface of the lower end cover (2) is provided with an inner cavity water inlet hole (102) which corresponds to a booster pump water inlet (22) and a reverse osmosis filtering channel (400) in a protruding way.

4. The five-in-one composite filter element with reverse osmosis of claim 2, wherein the inner cavity (10) comprises a hollow cylindrical body (100) and an arc-shaped protrusion (101), the arc-shaped protrusion (101) protrudes outwards from one side of the cylindrical body (100), the semicircular sealing plate (12) protrudes upwards from the upper surface of the lower end cover (2), and an inner cavity water inlet hole (102) communicated with the booster pump water inlet (22) is formed between the semicircular sealing plate (12) and the arc-shaped protrusion (101).

5. A five-in-one composite filter element with reverse osmosis according to claim 1, characterized in that the inner surface of the lower end cover (2) is provided with a plug-in column (11) corresponding to the central tube (71) and the pure water outlet (23), the plug-in column (11) is provided with at least two sealing ring grooves, and sealing rings are arranged in the sealing ring grooves.

6. The five-in-one composite filter element with reverse osmosis of claim 1, wherein the front filter element comprises a PP cotton filter element (4), a front activated carbon filter element (5) and a rear PP cotton filter element (6) in sequence from the outer side to the inner side.

7. The five-in-one composite filter element with reverse osmosis of claim 1, wherein a post-positioned activated carbon filter element (8) is arranged in the lower end of the central tube (71).

8. A five-in-one composite filter element with reverse osmosis according to claim 1, characterized in that the inner bottom of the upper end cover (3) is provided with an annular sealing groove (31) corresponding to the inner cavity (10), and the upper end cover (3) is welded with the inner cavity (10).

9. A five-in-one composite filter element with reverse osmosis according to claim 1, characterized in that the lower end cover (2) and the inner cavity (10) are of an integrated structure, and the outer wall of the lower end cover (2) is welded with the inner wall of the shell (1).