CN212450898U - Assembled composite filter element and water purifier - Google Patents

Abstract

The utility model discloses an assembled composite filter element and a water purifier, which comprises a first filter element and is cylindrical; the second filter element is sleeved in the first filter element in a cylindrical shape; the upper end and the lower end of the third filter element are sealed, and the third filter element is sleeved in the second filter element; wherein, one end of the third filter element is provided with a waste discharge channel for discharging concentrated water; the third filter core is equipped with central passageway along the axis direction, the one end of central passageway outwards extends there is the pure water outlet, the other end outwards extend have with the dense water export of wasting discharge passage intercommunication, be equipped with the spacing block between dense water export and the pure water outlet, the third filter core is equipped with the runner of intaking. The utility model has the advantages that: through the nesting layer upon layer of composite filter element, the water purifier space is greatly saved, the filter element is replaced only by taking out and replacing the filter element with the expired service life, the cost of an additional filter bottle is avoided, the cost of replacing the filter element is greatly reduced, the water path for water inlet is short, and the filtering time for water inlet is saved.

Description

Assembled composite filter element and water purifier

Technical Field

The utility model relates to an assembled composite filter element and purifier belongs to purifier equipment field.

Background

With the improvement of living standard, the water purifier is in explosive growth in China. At present, most of water purifiers in the market adopt a three-level or four-level filtering mode, namely a PP (polypropylene) filter element, an activated carbon filter element, an RO (reverse osmosis) filter element, a rear activated carbon filter element and the like. The filter element is put in the filter flask and made disposable filter element and complete machine carry out supporting work, and such purifier has the big problem of occupation space. Some purifiers for saving space compound PP filter core, active carbon filter core, adopt two filter cores to filter to save space. However, after the combination, the filter element made of two materials can only be replaced at the same time, and cannot be detached, which causes the increase of the cost of replacing the filter element and increases the replacement burden of consumers. Chinese utility model with publication number CN206156891U discloses a composite filter element, a composite filter element group spare and water purifier for water purifier, composite filter element includes the preliminary treatment filter core, meticulous filtration filter core and the active carbon filter core that arrange in proper order from outside to inside, meticulous filtration filter core includes first collector pipe and meticulous filtration membrane, the active carbon filter core includes: the second water collecting pipe is arranged in the first water collecting pipe, the outer peripheral wall of the second water collecting pipe except for the lower end of the second water collecting pipe is spaced from the inner peripheral wall of the first water collecting pipe, and the lower end of the second water collecting pipe is connected with the first water collecting pipe in a sealing mode; the active carbon, the active carbon is established in the second collector pipe, the lower extreme of active carbon with second collector pipe sealing connection, be formed with the apopore that link up along the axial on the active carbon, the upper end of apopore is sealed, and this utility model can be to composite filter element's whole doing individual improvement, has reduced composite filter element's volume, but the user need change whole filter core when renew cartridge, can not dismantle, has increased renew cartridge's cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an assembled composite filter core and purifier, through the nestification of filter core, can effectively solve the inconvenient independent renew cartridge of user, problem that use cost is high.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

an assembled composite filter element comprises a first filter element which is cylindrical; the second filter element is sleeved in the first filter element in a cylindrical shape; the upper end and the lower end of the third filter element are sealed, and the third filter element is sleeved in the second filter element; wherein, one end of the third filter element is provided with a waste discharge channel for discharging concentrated water; the third filter core is equipped with central passageway along the axis direction, the one end of central passageway outwards extends has the pure water export for discharge pure water, the other end outwards extend have with the dense water export of exhaust passage intercommunication, be equipped with the spacing block that is used for keeping apart pure water and dense water between dense water export and the pure water export, the third filter core is equipped with the water inlet runner for the restriction water inlet flow direction sets up first filter core, the second filter core, the nested mode of third filter core, can make personnel when the renew cartridge, only need take out the filter core that the life expires to change, and other filter cores then are not influenced, can continue to use, have reduced the cost that the user changed composite filter core, and the water inlet runner can restrict the flow direction of intaking, can not make the survey of intaking flow, cause the problem of short circuit.

In order to separate pure water and concentrated water, the third filter element is an RO filter element.

Furthermore, the cross section of the water inlet channel is wavy, so that water can be filtered along the water inlet channel, the water path of the channel is short, and the efficiency of water inlet filtering is improved.

Preferably, the first filter element is a folded PP filter element; or the first filter element is a PVDF/PS flat plate folding microfiltration filter element; or the first filter element is a PVDF/PS flat plate folding ultrafiltration filter element, or the second filter element selects other separation membranes capable of filtering impurities such as particles, colloid and the like in the inlet water.

Preferably, the second filter core is an activated carbon filter core, an isolation layer is arranged between the activated carbon filter core and the third filter core and used for preventing activated carbon from entering the third filter core, and the service life of the second filter core can be prolonged.

And simultaneously, the utility model also provides a purifier, including above-mentioned composite filter element.

Preferably, the composite filter element is arranged in a filter flask, a water inlet is arranged at the top of the filter flask and communicated with a water inlet channel, the water inlet channel is arranged between the filter flask and the filter element, and the water inlet is arranged at the same side as the pure water outlet.

In order to enable inlet water to be uniformly filtered in the composite filter element, a water distributor is arranged on one side, close to the water inlet, of the filter flask and is abutted against the top of the composite filter element, so that the inlet water can uniformly enter the composite filter element.

Preferably, the top of filter flask is equipped with the water inlet end cover, composite filter element with the butt department of filter flask bottom with composite filter element with be equipped with the sealing washer between the butt department of water inlet end cover for keep apart into water and pure water reposition of redundant personnel, avoid intaking to flow into in the pure water export, pollute the pure water.

Furthermore, the bottom of the filter flask is provided with a flushing discharge outlet, the flushing discharge outlet is arranged at the same side as the concentrated water outlet, the water purifier is cleaned regularly, and the service life of the composite filter element can be prolonged.

Compared with the prior art, the utility model has the advantages that:

through the nesting layer upon layer of composite filter element, the water purifier space is greatly saved, the filter element is replaced only by taking out and replacing the filter element with the expired service life, the cost of an additional filter bottle is avoided, the cost of replacing the filter element is greatly reduced, the water path for water inlet is short, and the filtering time for water inlet is saved.

Drawings

Fig. 1 is a top view of the composite filter element of the present invention;

FIG. 2 is a cross-sectional view of the composite filter element of the present invention;

FIG. 3 is an expanded view of the composite filter element of the present invention;

FIG. 4 is a cross-sectional view of FIG. 3;

FIG. 5 is a sectional view of the main structure of the water purifier of the present invention;

FIG. 6 is an enlarged detail view taken at A in FIG. 5;

FIG. 7 is an enlarged detail view at B of FIG. 5;

in the figure:

10. a first filter element; 11. a second filter element; 12. a third filter element; 13. a waste discharge channel; 14. a central channel; 15. a pure water outlet; 16. a concentrated water outlet; 17. a separator; 18. a water inlet flow channel; 19. a composite filter element; 20. a filter flask; 21. a water inlet channel; 22. a water inlet; 23. a water distributor; 24. a water inlet end cover; 25. A seal ring; 26. the discharge outlet is flushed.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

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", 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 device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed 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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

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

Referring to fig. 1-5, an embodiment of an assembled composite filter element of the present invention includes a first filter element 10, a second filter element 11 and a third filter element 12, the first filter element 10 and the second filter element 11 are both cylindrical, the second filter element 11 is sleeved in the first filter element 10, the third filter element 12 is sleeved in the second filter element 11, the upper and lower ends of the third filter element 12 are sealed, only one end is provided with a waste discharge channel 13 for discharging concentrated water, the sealing function is to prevent the inlet water from leaking to other places, which causes the inlet water not being completely filtered, a central channel 14 is arranged in the central axis direction of the third filter element 12, one end of the central channel 14 extends outwards to form a pure water outlet 15, the other end is communicated with the waste discharge channel 13, and also extends outwards to form a concentrated water outlet 16, a separation sheet 17 is arranged between the pure water outlet 15 and the concentrated water outlet 16, so that the concentrated water cannot flow and diffuse into the pure water, contaminated pure water, and pure water inlet holes are provided in the side wall of the central passage 14, through which the filtered pure water is collected into the central tube. Still be equipped with inhalant canal 18 in third filter core 12, when the intaking gets into third filter core 12 and filters, can flow along inhalant canal 18 and advance, can avoid intaking to survey the flow and produce the short circuit problem, inhalant canal 18's cross section is the wave, under the pressure effect, the intaking flows in first filter core 10, by first filter core 10, second filter core 11 filters the back in proper order, the intaking can flow to central channel 14 direction along the sunken department of inhalant canal 18 wave, inhalant canal 18's water route is short, the filtration efficiency of intaking has been improved, the filtration time of intaking has been shortened. The third filter element 12 is made of an RO filter element, pure water can enter the central passage 14 through the RO filter element and is discharged from the pure water outlet 15, and concentrated water is separated and collected in the waste passage 13 and is discharged from the concentrated water outlet 16 of the central passage 14.

Referring to fig. 3, the upper end and the lower end of the third filter element 12 are sealed by glue, the length of the waste discharge channel 13 can be flexibly adjusted by adjusting the amount of the spot glue, the more the amount of the spot glue is, the higher the sealing degree is, the shorter the length of the waste discharge channel 13 is, the length of the waste discharge channel 13 generally accounts for 5% -30% of the total length as required, and the long length and the short length can affect the collection of the concentrated water.

The material of the first filter element 10 may be a folded PP (polypropylene) filter element, or a PVDF (polyvinylidene fluoride)/PS (polysulfone) flat-plate folded microfiltration filter element, or a PVDF (polyvinylidene fluoride)/PS (polysulfone) flat-plate folded ultrafiltration filter element, or the like, which is a separation membrane capable of filtering impurities such as particles, colloids, and the like in the inlet water. Second filter core 11 is selected to be the active carbon filter core to be equipped with the isolation layer between active carbon filter core and the third filter core 12, can divide the active carbon to keep apart in third filter core 12 outsidely, avoid polluting third filter core 12, influence filtering quality, the isolation layer generally is the non-woven fabrics, the non-woven fabrics with low costs, keep apart the effectual that the active carbon divides.

When a user needs to replace the composite filter element, the filter element with the expired service life is only required to be taken out and replaced, the cost of the filter bottle is saved greatly, and the cost of replacing the filter element is saved greatly.

And simultaneously, the utility model also provides a water purifier, it does to refer to fig. 5-7 the utility model relates to an embodiment of water purifier, including the composite filter element 19 in the above-mentioned embodiment, composite filter element 19 establishes in a filter flask 20, and there is certain clearance filter element and filter flask 20 inside, forms the inlet channel 21 that can make the inflow of intaking. The top of the filter flask 20 is provided with a water inlet 22, and the water inlet 22 is communicated with a water inlet channel 21 inside the filter flask 20.

Referring to fig. 5, a water distributor 23 is disposed on one side of the filter flask 20 close to the water inlet 22, the water distributor 23 is abutted against the top of the composite filter element 19, and when water flows in from the water inlet 22, the water can be uniformly distributed on the surface of the first filter element 10 through the water distributor 23 and then enters the filter element for filtration. Be equipped with into water end cover 24 at the top of filter flask 20, water inlet 22 and pure water outlet 15 extend to the outside from into water end cover 24, are equipped with sealing washer 25 between the butt department of composite filter element 19 and water end cover 24 and filter flask 20 bottom, can guarantee that it does not get into pure water outlet 15 through the contact surface to intake in, realize pure water and the reposition of redundant personnel of intaking.

Referring to fig. 5-7, the present invention relates to an embodiment of a water purifier, which includes the composite filter element in the above embodiment, the composite filter element is disposed in a filter bottle 20, and a gap is formed between the filter element and the inside of the filter bottle 20 to form a water inlet channel 21 for water to flow into. The top of the filter flask 20 is provided with a water inlet 22, and the water inlet 22 is communicated with a water inlet channel 21 inside the filter flask 20.

The difference between this embodiment and the above embodiment lies in that the function of cleaning the water purifier is added, referring to fig. 5, a flushing discharge outlet 26 is arranged at the bottom of the filter bottle 20, when the filter bottle 20 needs to be cleaned, the flushing discharge outlet 26 is opened, the inlet water flows along the surface of the first filter element 10 and does not enter the filter element, the flushing of the first filter element 10 is realized by utilizing the higher water flow at this time, the service life of the first filter element 10 is prolonged, and the flushing discharge outlet 26 and the concentrate outlet 16 are arranged on the same side, so that the inlet water does not enter the pure water outlet 15 during flushing, and the pollution of pure water is caused.

The above description is only for the specific embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims (10)

1. The utility model provides an assembled composite filter element which characterized in that: comprises that

A first filter element in a cylindrical shape;

the second filter element is sleeved in the first filter element in a cylindrical shape;

the upper end and the lower end of the third filter element are sealed, and the third filter element is sleeved in the second filter element and used for separating pure water from concentrated water;

wherein, one end of the third filter element is provided with a waste discharge channel for discharging concentrated water; the third filter core is equipped with central passageway along the axis direction, the one end of central passageway outwards extends has the pure water export for discharge pure water, the other end outwards extend have with the dense water export of the passageway intercommunication of wasting discharge, be equipped with the spacing block that is used for keeping apart pure water and dense water between dense water export and the pure water export, be equipped with the inhalant canal in the third filter core for the restriction influent stream flows to.

2. The modular composite filter cartridge of claim 1, wherein: the third filter element is an RO filter element.

3. The modular composite filter element of claim 2, wherein: the cross section of the water inlet flow channel is wavy.

4. The modular composite filter cartridge of claim 1, 2 or 3, wherein: the first filter element is a folding PP filter element; or the first filter element is a PVDF/PS flat plate folding microfiltration filter element; or the first filter element is a PVDF/PS flat plate folding ultrafiltration filter element.

5. The modular composite filter cartridge of claim 1, 2 or 3, wherein: the second filter core is an activated carbon filter core, an isolation layer is arranged between the activated carbon filter core and the third filter core and used for preventing activated carbon from entering the third filter core.

6. A water purifier, which is characterized in that: the assembled composite filter element comprises the assembled composite filter element as claimed in any one of claims 1 to 5.

7. The water purifier of claim 6, wherein: assembled composite filter core locates in a filter flask, the top of filter flask is equipped with the water inlet, the water inlet intercommunication has inhalant canal for it intakes to flow in.

8. The water purifier of claim 7, wherein: and a water distributor is arranged on one side of the filter flask close to the water inlet and is abutted against the top of the assembled composite filter element so as to ensure that inlet water uniformly enters the composite filter element.

9. The water purifier of claim 7, wherein: the top of filter flask is equipped with the water inlet end cover, assembled composite filter core with the butt department of filter flask bottom with be equipped with the sealing washer between the butt department of water inlet end cover for keep apart into water and pure water reposition of redundant personnel.

10. A water purification machine as claimed in claim 7, 8 or 9, wherein: and a flushing discharge outlet is arranged at the bottom of the filter flask and is positioned at the same side as the concentrated water outlet.

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