CN111704256A

CN111704256A - Filter core and water purification system

Info

Publication number: CN111704256A
Application number: CN202010672926.0A
Authority: CN
Inventors: 吕翔; 杨玖林; 王丽萍
Original assignee: Foshan Micro Midea Filter Manufacturing Co Ltd
Current assignee: Foshan Micro Midea Filter Manufacturing Co Ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2020-09-25

Abstract

The invention discloses a filter element and a water purification system. The filter element comprises a shell and a filter body, wherein a water inlet, a first water outlet, a second water outlet and a third water outlet are formed in the shell; the filter body set up in inside the casing, the filter body includes first filter body and second filter body, the second filter body set up in first filter body is inside, the casing with be formed with first runner between the first filter body, first runner and water inlet and first delivery port intercommunication, first filter body with the second filter body between be formed with the second runner of second delivery port intercommunication, the second filter body inside be formed with the third runner of third delivery port intercommunication. According to the technical scheme, the double-water-outlet composite filter element with the simplified structure is provided, so that the problem that the filter element and a water purification system using the filter element are complex in structure is solved.

Description

Filter core and water purification system

Technical Field

The invention relates to the technical field of water purification, in particular to a filter element and a water purification system using the same.

Background

The inside water route structure of two play water composite filter element among the prior art is complicated, and the water purification process often can not once only be accomplished, and the water after the first time of handling need flow out the inside multiple purification that realizes of filter core inflow filter core of filter core rethread outside water purification system's pumping device, and the water purification system that leads to using this two play water composite filter element simultaneously sets up also comparatively complicacy.

Disclosure of Invention

The invention mainly aims to provide a filter element and a water purification system, and aims to solve the problem that in the prior art, a double-water-outlet filter element and a water purification system using the filter element are complex in structure.

In order to achieve the above object, the present invention provides a filter cartridge, comprising: the filter comprises a shell and a filter body, wherein the shell is provided with a water inlet, a first water outlet, a second water outlet and a second water outlet;

the filter body set up in inside the casing, the filter body includes first filter body and second filter body, the second filter body set up in first filter body is inside, the casing with be formed with first runner between the first filter body, first runner with the water inlet with first delivery port intercommunication, first filter body with the second filter body between be formed with the second runner of second delivery port intercommunication, the second filter body inside be formed with the third runner of second delivery port intercommunication.

Preferably, the filter element includes a second filter body and a third filter body, the third filter body is disposed inside the second filter body, a fourth flow channel communicated with the second water outlet is formed between the third filter body and the second filter body, and the third flow channel is disposed inside the third filter body.

Preferably, the first filter body, the second filter body and the third filter body are all in a cylinder shape with a closed bottom, the first filter body is sleeved on the second filter body, and the second filter body is sleeved on the third filter body.

Preferably, the second filter body comprises a support tube and a filter layer attached to the support tube, the support tube is provided with a plurality of through holes, and the through holes are communicated with the fourth flow channel.

Preferably, a fixing member is arranged between the shell and the first filter body, between the first filter body and the second filter body, and between the second filter body and the third filter body.

Preferably, the filter element comprises a filter bottle with an opening at one end and a filter element cover arranged at the opening of the filter bottle, and the water inlet and the first water outlet, the second water outlet and the third water outlet are all arranged on the filter element cover.

The invention also provides a water purification system which comprises the filter element. The water purification system further comprises a double-water-outlet faucet, an external water inlet and an external water outlet, the double-water-outlet faucet is connected with the second water outlet and the third water outlet, the external water inlet is connected with the water inlet, and the external water outlet is connected with the first water outlet.

Preferably, a pre-filter is arranged between the external water inlet and the water inlet.

Preferably, a booster pump is arranged between the pre-filter and the water inlet.

Preferably, a high-pressure switch is arranged between the third water outlet and the double-water-outlet faucet, a water inlet valve is arranged between the pre-filter and the booster pump, and a flushing valve is arranged between the first water outlet and the external water outlet.

The filter element comprises a shell, a first filter body and a second filter body, wherein the first filter body and the second filter body are arranged in the shell, the second filter body is arranged in the first filter body, a plurality of flow channels for different water flows to flow out are formed between the shell and the first filter body as well as between the shell and the second filter body, a plurality of water outlets communicated with the flow channels are formed in the shell, and water to be treated is directly purified in the filter element at one time and flows out from different water outlets, so that the filter element with a simple structure and a water purification system using the filter element are provided.

Drawings

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

FIG. 1 is a schematic view of a filter cartridge according to one embodiment of the present invention;

FIG. 2 is an exploded view of the filter cartridge of FIG. 1;

FIG. 3 is a schematic view of a water purification system using the filter cartridge of FIG. 1;

the reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	Filter element	11	Shell body
110	Filter element cover	110a	Water inlet
				110b	The first water outlet	110c	Second water outlet
110d	Third water outlet	111	Filter flask
				12	First filter	13	Second filter
14	Third filter body	15	External water inlet
				16	Front filter	17	Water inlet valve
18	Booster pump	19	Flushing valve
				20	High-voltage switch	21	Double-outlet water tap

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

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.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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.

It should be noted that the technical solutions in the embodiments may be combined with each other, but must be based on the realization of the technical solutions by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not to be within the protection scope of the present invention.

The present invention proposes a filter cartridge 10, said filter cartridge 10 comprising: the filter comprises a shell 11 and a filter body, wherein the shell 11 is provided with a water inlet 110a, a first water outlet 110b, a second water outlet 110c and a second water outlet 110 d; the filtering body is arranged inside the shell and comprises a first filtering body 12 and a second filtering body 13, the second filtering body 13 is arranged inside the first filtering body 12, a first flow channel is formed between the shell 11 and the first filtering body 12 and communicated with the water inlet 110a and the first water outlet 110b, a second flow channel communicated with the second water outlet 110c is formed between the first filtering body 12 and the second filtering body 13, and a third flow channel communicated with the second water outlet 110d is formed inside the second filtering body 13.

Specifically, raw water to be treated enters the inside of the filter element from the water inlet 110a and flows into the first flow passage. The water in the first flow passage enters the first filter body 12 again, and the water filtered by the first filter body 12 is clean water which flows into the second flow passage. The remaining water in the first flow channel is waste water and is discharged from the first water outlet 110 b. The purified water in the second flow passage flows into the second filtering body 13 for filtering, and the water passing through the second filtering body 13 is purified water. And the remaining clean water in the second flow passage is discharged from the second water outlet 110 c. The pure water enters the third flow channel and is discharged from the second water outlet 110d through the third flow channel.

Thus, the shell 11, the first filter 12 and the second filter 13 are sequentially sleeved from outside to inside. Raw water to be treated flows in from the outside, is sequentially filtered from the outside to the inside, and water with different water qualities is discharged from different water outlets. The internal waterway structure of the filter element 10 is simplified, and compared with other double-water-outlet filter elements, the filter element 10 is used for treating water into purified water without adopting an external device to pump out the water, and then the purified water flows into the filter element 10 for internal purification. But the purification of water is directly accomplished inside the filter cartridge 10. So set up, filter core 10 simple structure, it is comparatively convenient to use.

In a preferred embodiment, for improving the taste of pure water, the filter element 10 further includes a third filter 14, the third filter 14 is disposed inside the second filter 13, a fourth flow channel communicated with the second water outlet 110c is formed between the third filter 14 and the second filter 13, and the third flow channel is disposed inside the third filter 14.

Namely, the second filter body 13 and the third filter body 14 are sleeved. The purified water flows in from the second filtering body 13 to obtain the purified water filtered by the second filtering body 13, and then flows in the third filtering body 14 to be continuously filtered to obtain the purified water with improved taste. Specifically, the fourth flow channel is disposed between the third filtering body 14 and the second filtering body 13, the pure water in the fourth flow channel flows into the third filtering body 14 to be continuously filtered to obtain pure water with improved taste, and the pure water with improved taste flows into the second water outlet 110d from the first flow channel. The unmodified pure water flows into the second water outlet 110 c.

In a preferred embodiment, the first filter 12, the second filter 13, and the third filter 14 are all cylindrical with closed bottoms, the first filter 12 is sleeved on the second filter 13, and the second filter 13 is sleeved on the third filter 14. Namely, the first filtering body 12, the second filtering body 13 and the third filtering body 14 are sleeved with each other to form a flow passage for water to flow through. Further, the housing 11 is also a cylindrical object with a closed bottom, that is, the housing 11, the first filter 12, the second filter 13, and the third filter 14 are sequentially sleeved from inside to outside. By the arrangement, the water path structure inside the filter element 10 is simplified, and the filter element is convenient to install and use.

Further, the second filter body 13 includes a support tube and a filter layer attached to the support tube, the support tube is provided with a plurality of through holes, and the through holes are communicated with the fourth flow channel. Further, the second filter 13 is a filter that is required to purify purified water into pure water. To meet this requirement, in a preferred embodiment, the second filter body 13 is an RO filter cartridge 10, i.e. a reverse osmosis filter cartridge 10. The filtering layer of the RO filter element 10 is an RO membrane, and the RO membrane is wound on the supporting tube. The purified water is purified to pure water after passing through the RO membrane, and then flows into the fourth flow channel through the through hole.

Preferably, fixing members are disposed between the housing 11 and the first filter 12, between the first filter 12 and the second filter 13, and between the third filter 14 and the second filter 13.

In order to avoid damage to the filter body from external impacts, the position of the filter body inside the housing 11 is relatively fixed. Further, the fixing pieces are respectively arranged at the bottom of the filtering body. And connects two adjacent filter bodies, or connects the housing 11 and the filter bodies. Meanwhile, the fixing piece is arranged, so that the circulation of the water channel cannot be influenced. Namely, a certain gap is left at the connecting position of the shell 11 or the filter body and the fixing piece.

Preferably, the filter element 10 includes a filter bottle 111 having an opening at one end and a filter element cover 110 disposed at the opening of the filter bottle, and the water inlet 110a, the first water outlet 110b, the second water outlet 110c and the third water outlet 110d are disposed on the filter element cover 110. The shell 11 is simple in structure, and when the filter is installed, the plurality of filter bodies inside the shell 11 can be sequentially installed into the filter flask 111, and then the flow channel is communicated with the water outlet. In order to correspond to the structure inside the filter element 10, the second water outlet 110d should be disposed at the middle of the filter element cover 110, and the first water outlet 110b and the second water outlet 110c are disposed at both sides of the third water outlet 110d, respectively.

Further, the water inlet 110a, the first water outlet 110b, the second water outlet 110c and the third water outlet 110d should be spaced apart from each other on the filter element cover 110. Thus, the filter element 10 is convenient to connect with other components in the water purification system to jointly complete the water purification function.

The invention also provides a water purification system which comprises the filter element 10. The water purification system further comprises a double-outlet water faucet 21, an external water inlet 15 and an external water outlet, the double-outlet water faucet 21 is connected with the second water outlet 110c and the third water outlet 110d, the external water inlet 15 is connected with the water inlet 110a, and the external water outlet is connected with the first water outlet 110 b. Specifically, the water inlet 110a of the filter element 10 and the three water outlets are respectively connected with other devices of the water purification system through pipelines, so as to jointly form a water inlet system with a double water outlet structure. At the same time, since the inner structure of the filter cartridge 10 is simplified. That is, the water purification system does not need to be provided with a device for pumping the primarily filtered water out of the filter cartridge 10 and then purifying the primarily filtered water. I.e. the structure of the water purification system is correspondingly simplified.

Preferably, a pre-filter 16 is disposed between the external water inlet 15 and the water inlet 110 a. The water purification system is pre-treated by adding a pre-filter 16 at the front end of the water purifier, so that the pressure of the internal filtration of the filter element 10 can be effectively shared, and the filtration effect of the water purification system is improved. The pre-filter 16 may be a disposable cartridge 10 or a removable and cleanable cartridge 10. Further, it is possible to determine whether or not the pre-filter 16 needs to be added according to the quality of the raw water to be treated.

Preferably, a booster pump 18 is disposed between the pre-filter 16 and the water inlet 110 a. In the conventional double-outlet composite filter element 10, the booster pump 18 is usually disposed inside the filter element 10. The water purification system will the booster pump 18 sets up the outside of filter core 10 has further simplified the waterway structure of filter core 10, easy to assemble and use. Further, the booster pump 18 pressurizes the raw water to be treated and presses the raw water into the first flow channel through the water inlet 110a, and the remaining waste water treated in the first flow channel flows out from the first water outlet 110 b. The rest water is pressed into each stage of filter body to be filtered continuously.

Preferably, a high-pressure switch 20 is arranged between the third water outlet 110d and the double-outlet water tap 21, a water inlet valve 17 is arranged between the pre-filter 16 and the booster pump 18, and a flushing valve 19 is arranged between the first water outlet 110b and the external water outlet. Preferably, the inlet valve 17, the flushing valve 19 and the high-pressure switch 20 are used for controlling the opening and closing of the pipeline of the water purification system to adapt to different use requirements.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A filter cartridge, comprising:

the water inlet, the first water outlet, the second water outlet and the third water outlet are formed in the shell;

the filter body, filter the body set up in inside the casing, filter the body including first filter body and second filter body, the second filter body set up in first filter body is inside, the casing with be formed with between the first filter body with the water inlet with the first runner of first delivery port intercommunication, first filter body with the second filter body between be formed with the second runner of second delivery port intercommunication, the second filter body inside be formed with the third runner of third delivery port intercommunication.

2. The filter cartridge of claim 1, wherein the filter cartridge includes a third filter body disposed within the second filter body, wherein a fourth flow passage is defined between the third filter body and the second filter body in communication with the second outlet port, and wherein the third flow passage is disposed within the third filter body.

3. The filter element of claim 2, wherein the filter body is a cylinder with a closed bottom end, the first filter body is sleeved on the second filter body, and the second filter body is sleeved on the third filter body.

4. The filter element as claimed in claim 3, wherein the second filter body comprises a support tube and a filter layer attached to the support tube, the support tube is provided with a plurality of through holes, and the through holes are communicated with the fourth flow passage.

5. The filter cartridge of claim 3, wherein a fastener is disposed between the housing and the first filter, between the first filter and the second filter, and between the second filter and the third filter.

6. The filter cartridge of claim 1, wherein the filter cartridge comprises a filter flask having an opening at one end and a filter cartridge cover disposed at the filter flask opening, the water inlet and the first, second, and third water outlets being disposed on the filter cartridge cover.

7. A water purification system, characterized in that the water purification system includes the filter core of any one of claims 1 to 6, the water purification system further includes a double-outlet water tap, an external water inlet, and an external water outlet, the double-outlet water tap is connected with the second water outlet and the third water outlet, the external water inlet is connected with the water inlet, and the external water outlet is connected with the first water outlet.

8. The water purification system of claim 7, wherein a pre-filter is disposed between the ambient water inlet and the water inlet.

9. The water purification system of claim 8, wherein a booster pump is disposed between the pre-filter and the water inlet.

10. The water purification system of claim 9, wherein a high pressure switch is provided between the third water outlet and the dual water outlet faucet, a water inlet valve is provided between the pre-filter and the booster pump, and a flush valve is provided between the first water outlet and the external water outlet.