CN214829429U

CN214829429U - Composite filter element

Info

Publication number: CN214829429U
Application number: CN202120362293.3U
Authority: CN
Inventors: 杨怀青; 胡凯; 许经衍
Original assignee: Guangdong Aomei Intelligent Technology Co ltd
Current assignee: Guangdong Aomei Intelligent Technology Co ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-11-23
Anticipated expiration: 2031-02-07

Abstract

The utility model discloses a composite filter element, which comprises a filter flask, wherein a water outlet channel is arranged below the inner part of the filter flask, the lower part of the water outlet channel is communicated with a filtering water gap, and a tap water gap and a dense water gap are respectively arranged on two sides of the filtering water gap; an inner core lower end cover is fixed above the interior of the filter bottle, the upper part of the inner core lower end cover is connected with the filter element cover in a clamping manner, an outer cover is fixed above the filter element cover, a silica gel decorative cover is fixed above the outer cover, filter element locking blocks are arranged on two sides of the joint of the outer cover and the filter element cover, and the filter element locking blocks are installed on two sides of the filter element cover through reset springs; the water route of bottle the inside is reasonable unobstructed, dense mouth of a river, the mouth of a river only need distribute one end with filtering the mouth of a river, beautifully can make the mounting means of filter flask more nimble again promptly, with PP cotton, leading activated carbon layer, RO membrane, rearmounted activated carbon layer integration in a filter flask, reduced manufacturing cost, simplified the overall arrangement of pipeline between the filter core.

Description

Composite filter element

Technical Field

The utility model belongs to the technical field of the filter core, concretely relates to composite filter element.

Background

The composite filter element scientifically integrates one or more filter elements with independent functions on one filter element according to the needs, plays the role of the filter element simultaneously, has high filtering efficiency, has complementary advantages of different filtering functions, ensures wider applicable environment, is particularly suitable for liquid with complex water quality environment, has low filtering cost, uses less materials for manufacturing, requires less matched equipment during use, and saves space and time during use;

when the filter core cooperation purifier used, need set up a plurality of filter cores in order to carry out multistage filtration in the purifier, the shared volume of filter core is great, and can not the independent utility, moreover, the pipe connection of a plurality of filter cores is complicated, the installation with change inconvenient, articulate many, the risk point that leaks is many. A water purifier with multiple stages of filter elements generally includes a plurality of filter elements with different lives, and the filter elements are usually separately arranged and connected in series. When the filter element is replaced, because the service life of each filter element is inconsistent, the filter element is required to be replaced independently, so that the replacement frequency of the filter element is increased, and the risk of water leakage is increased. When the filter element is matched with a faucet for use, the volume of the filter element is small, but the filter material in the filter element is simple, the filter effect is poor, and the filter effect cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a composite filter element.

The purpose of the utility model can be realized by the following technical scheme:

a composite filter element comprises a filter flask, wherein a water outlet channel is formed below the inner part of the filter flask, the lower part of the water outlet channel is communicated with a filtering water gap, and a tap water gap and a concentrated water gap are respectively formed on two sides of the filtering water gap;

an inner core lower end cover is fixed above the interior of the filter bottle, the upper part of the inner core lower end cover is connected with the filter element cover in a clamping manner, an outer cover is fixed above the filter element cover, a silica gel decorative cover is fixed above the outer cover, filter element locking blocks are arranged on two sides of the joint of the outer cover and the filter element cover, and the filter element locking blocks are installed on two sides of the filter element cover through reset springs;

PP cotton is arranged around the outer side below the lower end cover of the inner core, a front activated carbon layer is arranged on the inner side of the PP cotton, a switching cover is arranged below the PP cotton and the front activated carbon layer, the switching cover is bonded with the PP cotton and the front activated carbon layer through hot melt adhesive, and a first filtering channel is arranged on the inner side of the front activated carbon layer;

a rear carbon lower end cover is fixed below the adapter cover, a scale inhibitor placing groove is formed in the upper portion of the rear carbon lower end cover, an RO (reverse osmosis) membrane is wrapped below the adapter cover and fixed in the RO membrane, a shell is wrapped on the periphery of the RO membrane, the scale inhibitor placing groove is communicated with the RO membrane, a rear activated carbon layer is fixed below the rear carbon lower end cover and positioned on the inner side of the RO membrane, and the RO membrane is bonded with the rear activated carbon layer through a hot melt adhesive; a second filtering channel is arranged on the inner side of the rear activated carbon layer; rearmounted active carbon layer below is provided with rearmounted charcoal upper end cover, and the RO membrane below is provided with the inner core upper end cover, and the outer wall of inner core upper end cover and RO membrane is twined tightly with waterproof tape, rearmounted charcoal upper end cover middle part downward arch is worn to establish the inner core upper end cover after and is pegged graft in exhalant canal and communicate with each other with filtering the mouth of a river, and rearmounted charcoal upper end cover is provided with the check valve with the junction of filtering the mouth of a river.

Preferably, the tap water port is communicated with the interior of the filter flask, and the concentrate water port is communicated with the RO membrane.

Preferably, the filtering water gap, the tap water gap and the concentrated water gap are all provided with a water locking spring, and the lower part of the water locking spring is fixedly connected with a water sealing plug.

Preferably, the lower part of the filter flask is ultrasonically welded with the welding cover.

Preferably, the welding cover is provided with a through hole matched with the filtering water gap, tap water and the concentrated water gap.

Preferably, screws penetrate through two sides of the outer cover, and the outer cover is fixedly connected with the filter element cover through the screws.

The utility model has the advantages that:

1. the check valve is arranged to prevent the filtered water from flowing backwards when the filter element works, so that the storage tank of the filter element is damaged, and the safety of the filter element is improved; greatly reduces the cost of the filter element and increases the market competitiveness.

2. The water route of bottle the inside is reasonable unobstructed, dense mouth of a river, the mouth of a river only need distribute one end with filtering the mouth of a river, beautifully can make the mounting means of filter flask more nimble again promptly, with PP cotton, leading activated carbon layer, RO membrane, rearmounted activated carbon layer integration in a filter flask, reduced manufacturing cost, simplified the overall arrangement of pipeline between the filter core.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

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

fig. 2 is a schematic view of an assembly structure of a composite filter element of the present invention;

fig. 3 is a schematic view of the welding cap of the present invention.

In the figure: 1. a silica gel decorative cover; 2. a screw; 3. a housing; 4. a filter element locking block; 5. a return spring; 6. a filter element cover; 7. an inner core lower end cover; 8. PP cotton; 9. a pre-activated carbon layer; 10. a transfer cover; 11. a scale inhibitor placing groove; 12. a carbon lower end cover is arranged at the rear part; 13. a filter flask; 14. an RO membrane; 15. a rear active carbon layer; 16. a rear carbon upper end cover is arranged; 17. a check valve; 18. an inner core upper end cover; 19. a water locking spring; 20. a water sealing plug; 21. welding a cover; 22. a tap water port; 23. a dense water port; 24. filtering the water gap; 25. a through hole; 26. a first filtration channel; 27. a second filtration channel; 28. and a water outlet channel.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, a composite filter element includes a filter flask 13, a water outlet channel 28 is disposed at the lower portion of the inside of the filter flask 13, the lower portion of the water outlet channel 28 is communicated with a water filtering nozzle 24, and a tap water nozzle 22 and a concentrate water nozzle 23 are disposed at two sides of the water filtering nozzle 24 respectively;

an inner core lower end cover 7 is fixed above the inside of the filter bottle 13, the upper part of the inner core lower end cover 7 is connected with a filter element cover 6 in a clamping manner, an outer cover 3 is fixed above the filter element cover 6, a silica gel decorative cover 1 is fixed above the outer cover 3, filter element locking blocks 4 are arranged on two sides of the joint of the outer cover 3 and the filter element cover 6, and the filter element locking blocks 4 are installed on two sides of the filter element cover 6 through a reset spring 5;

PP cotton 8 is arranged around the outer side below the inner core lower end cover 7, a front activated carbon layer 9 is arranged on the inner side of the PP cotton 8, a switching cover 10 is arranged below the PP cotton 8 and the front activated carbon layer 9, the switching cover 10, the PP cotton 8 and the front activated carbon layer 9 are bonded through hot melt adhesive, and a first filtering channel 26 is arranged on the inner side of the front activated carbon layer 9;

a rear carbon lower end cover 12 is fixed below the adapter cover 10, a scale inhibitor placing groove 11 is formed above the rear carbon lower end cover 12, an RO membrane 14 is wrapped below the adapter cover 10, the rear carbon lower end cover 12 is fixed in the RO membrane 14, a shell is wrapped on the periphery of the RO membrane 14, the scale inhibitor placing groove 11 is communicated with the RO membrane 14, a rear activated carbon layer 15 is fixed below the rear carbon lower end cover 12 and positioned on the inner side of the RO membrane 14, and the RO membrane 14 is bonded with the rear activated carbon layer 15 through hot melt adhesive; a second filtering channel 27 is arranged on the inner side of the rear activated carbon layer 15; a rear carbon upper end cover 16 is arranged below the rear activated carbon layer 15, an inner core upper end cover 18 is arranged below the RO membrane 14, the inner core upper end cover 18 and the outer wall of the RO membrane 14 are tightly wound by a waterproof adhesive tape, the middle part of the rear carbon upper end cover 16 protrudes downwards to penetrate through the inner core upper end cover 18 and then is inserted into the water outlet channel 28 and communicated with the filtering water gap 24, and a check valve 17 is arranged at the joint of the rear carbon upper end cover 16 and the filtering water gap 24.

The tap water port 22 is communicated with the inside of the filter flask 13, the concentrate water port 23 is communicated with the RO membrane 14, the filtering water port 24, the tap water port 22 and the concentrate water port 23 are all provided with a water locking spring 19, and the lower part of the water locking spring 19 is fixedly connected with a water sealing plug 20.

The lower part of the filter flask 13 is ultrasonically welded with a welding cover 21, the welding cover 21 is provided with a through hole 25 matched with the filtering water gap 24, tap water and a concentrated water gap 23, two sides of the outer cover 3 are penetrated with screws 2, and the outer cover 3 is fixedly connected with the filter element cover 6 through the screws 2.

The working principle is as follows: during operation, tap water flows into the filter flask 13 from the tap water port 22, then enters the PP cotton 8 from one side of the inner wall of the filter flask 13, enters the front activated carbon layer 9 after being filtered by the PP cotton 8, then flows into the first filtering channel 26 in the front activated carbon layer 9, then flows from the first filtering channel 26, enters the RO membrane 14 after passing through the scale inhibitor placing groove 11, then enters the rear activated carbon layer 15 from the RO membrane 14, after being completely filtered, enters the water outlet channel 28, and the water entering the water outlet channel 28 flows out from the filtering water port 24 to obtain filtered and purified water, and the generated wastewater flows downwards and flows out from the thick water port 23 because the wastewater cannot pass through the RO membrane 14; impurities in water can be adsorbed or blocked by multi-layer filtration in the filter flask 13, so that the water body is purified; the check valve 17 can prevent the filtered water from flowing backwards when the filter element works, so that the storage tank of the filter element is damaged, and the safety of the filter element is improved; the cost of the filter element is greatly reduced, and the market competitiveness is increased; the water route in the bottle is reasonable and unobstructed, and the dense water gap 23, the tap water gap 22 and the filtering water gap 24 only need to be distributed at one end, so that the mounting mode of the filter bottle 13 is attractive, the PP cotton 8, the front activated carbon layer 9, the RO membrane 14 and the rear activated carbon layer 15 are integrated in one filter bottle 13, the production cost is reduced, and the layout of pipelines among filter elements is simplified.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A composite filter element comprises a filter flask (13), and is characterized in that a water outlet channel (28) is arranged below the inner part of the filter flask (13), the lower part of the water outlet channel (28) is communicated with a filter water gap (24), and a tap water gap (22) and a concentrated water gap (23) are respectively arranged on two sides of the filter water gap (24);

an inner core lower end cover (7) is fixed above the inside of the filter bottle (13), the inner core lower end cover (7) is connected with the filter element cover (6) in a clamping manner, an outer cover (3) is fixed above the filter element cover (6), a silica gel decorative cover (1) is fixed above the outer cover (3), filter element locking blocks (4) are arranged on two sides of the joint of the outer cover (3) and the filter element cover (6), and the filter element locking blocks (4) are installed on two sides of the filter element cover (6) through reset springs (5);

PP cotton (8) is arranged around the outer side below the inner core lower end cover (7), a front activated carbon layer (9) is arranged on the inner side of the PP cotton (8), a switching cover (10) is arranged below the PP cotton (8) and the front activated carbon layer (9), the switching cover (10), the PP cotton (8) and the front activated carbon layer (9) are bonded through hot melt adhesive, and a first filtering channel (26) is arranged on the inner side of the front activated carbon layer (9);

a rear carbon lower end cover (12) is fixed below the adapter cover (10), a scale inhibitor placing groove (11) is formed in the upper portion of the rear carbon lower end cover (12), an RO (reverse osmosis) membrane (14) is wrapped below the adapter cover (10), the rear carbon lower end cover (12) is fixed in the RO membrane (14), a shell is wrapped on the periphery of the RO membrane (14), the scale inhibitor placing groove (11) is communicated with the RO membrane (14), a rear activated carbon layer (15) is fixed below the rear carbon lower end cover (12) and positioned on the inner side of the RO membrane (14), and the RO membrane (14) is bonded with the rear activated carbon layer (15) through hot melt adhesive; a second filtering channel (27) is arranged on the inner side of the rear activated carbon layer (15); rearmounted charcoal upper end cover (16) are provided with below rearmounted active carbon layer (15), and RO membrane (14) below is provided with inner core upper end cover (18), and inner core upper end cover (18) twine tightly with the waterproof adhesive tape with the outer wall of RO membrane (14), grafting is in exhalant canal (28) and communicates with each other with filtering mouth of a river (24) behind inner core upper end cover (18) is worn to establish by rearmounted charcoal upper end cover (16) middle part downward protrusion, and rearmounted charcoal upper end cover (16) and the junction of filtering mouth of a river (24) are provided with check valve (17).

2. A composite cartridge as claimed in claim 1, wherein the tap water port (22) communicates with the inside of the filter flask (13) and the concentrate port (23) communicates with the RO membrane (14).

3. The composite filter element according to claim 1, wherein water locking springs (19) are arranged on the filtering water port (24), the tap water port (22) and the concentrate water port (23), and the lower parts of the water locking springs (19) are fixedly connected with the water sealing plugs (20).

4. A composite filter element according to claim 1, wherein the filter flask (13) is ultrasonically welded to the weld cap (21) below.

5. A composite filter element according to claim 4, wherein the welding cover (21) is provided with through holes (25) adapted to the filtering nozzle (24), tap water and concentrate nozzle (23).

6. A composite filter element according to claim 1, wherein screws (2) are arranged on both sides of the outer cover (3), and the outer cover (3) is fixedly connected with the filter element cover (6) through the screws (2).