CN216764617U

CN216764617U - Simple structure's water purifier filter core

Info

Publication number: CN216764617U
Application number: CN202122865002.5U
Authority: CN
Inventors: 左威武; 王亚苏; 严玲
Original assignee: Jsk Suzhou Environmental Technology Co ltd
Current assignee: Jsk Suzhou Environmental Technology Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-06-17
Anticipated expiration: 2031-11-22

Abstract

The utility model discloses a water purifier filter element with a simple structure, which comprises a filter element cylinder body, wherein a central tube coaxial with the filter element cylinder body is arranged inside the filter element cylinder body, a first cavity is formed inside the central tube, a filter element body is arranged outside the central tube, the filter element body comprises an RO (reverse osmosis) membrane and a pre-filtering membrane, the RO membrane is wound on the central tube, a plurality of water holes communicated with the first cavity and the RO membrane are formed in the side wall of the central tube, the pre-filtering membrane is wound outside the RO membrane, a second cavity is formed between the pre-filtering membrane and the filter element cylinder body, a first water gap, a second water gap and a third water gap are formed in the top of the filter element cylinder body, the first water gap is communicated with the first cavity, and the second water gap is communicated with the second cavity. The water purifier filter element with simple structure simplifies the filter element structure, reduces the cost, makes the water path connection of the filter element in the water purifier more convenient, reduces the installation error and leakage, improves the assembly efficiency and further improves the structure of the water purifier filter element.

Description

Simple structure's water purifier filter core

Technical Field

The utility model relates to water purification equipment, in particular to a water purifier filter element with a simple structure.

Background

The filter element of the water purifier is an important structure for removing solid particles, killing bacteria and filtering harmful chemical components in water in the water purifier. Common water purifier filter core adopts leading filter core and the composite construction that rearmounted filter core piled up usually, installs fossil fragments in the middle of, and this kind of filter core structure is comparatively complicated, need use more working of plastics to separate, and the inlet outlet of filter core is more, and the installation is complicated, has improved the cost of filter core.

SUMMERY OF THE UTILITY MODEL

In view of the above technical problems, the present invention aims to: the water purifier filter element has a simple structure, and the structure is simplified, so that the cost is reduced.

In order to achieve the purpose, the utility model provides the following technical scheme:

a water purifier filter element with a simple structure comprises a filter element cylinder body, wherein a central tube coaxial with the filter element cylinder body is arranged inside the filter element cylinder body, a first cavity is formed inside the central tube, a filter element body is arranged outside the central tube, the filter element body comprises an RO (reverse osmosis) membrane and a pre-filtering membrane, the RO membrane is wound on the central tube, a plurality of water holes communicated with the first cavity and the RO membrane are formed in the side wall of the central tube, the pre-filtering membrane is wound outside the RO membrane, and a second cavity is formed between the pre-filtering membrane and the filter element cylinder body; the bottom of the filter element body is provided with a lower end cover, the top of the filter element body is provided with an upper end cover, and a third cavity is formed between the upper end cover and the filter element body; the filter element comprises a filter element barrel and is characterized in that a first water port, a second water port and a third water port are arranged at the top of the filter element barrel, the first water port is communicated with a first cavity, the second water port is communicated with a second cavity, and the third water port is communicated with a third cavity.

Preferably, a boss is arranged at the top of the filter element cylinder, and the first water gap, the second water gap and the third water gap are arranged on the boss.

Preferably, a first annular wall and a second annular wall which are coaxial with the filter element cylinder are arranged inside the boss, the upper part of the central tube is inserted into the first annular wall, and a sealing ring is arranged between the first annular wall and the central tube.

Preferably, the upper end cover comprises a third annular wall inserted into the second annular wall, and a sealing ring is arranged between the second annular wall and the third annular wall.

Preferably, the bottom of the filter element cylinder body is provided with a sealing cover, and the sealing cover is provided with a lifting handle.

Preferably, the top of the filter element cylinder is provided with a welding cover, and the welding cover is provided with openings corresponding to the first water gap, the second water gap and the third water gap respectively.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the filter element cylinder of the water purifier filter element with a simple structure is internally provided with the coaxial central tube, the outer side of the central tube is wound with the RO membrane, the outer side of the RO membrane is wound with the pre-filtration membrane, the pre-filtration membrane intercepts large-particle impurities in water in the process that raw water enters the central tube from the filter element cylinder, the RO membrane filters impurities such as inorganic salt, heavy metal ions, organic matters, bacteria, viruses and the like, and the pre-filtration membrane and the RO membrane are matched to effectively purify the raw water and improve the water quality of drinking water; the RO membrane and the pre-filter membrane are integrated into a whole, so that a separated plastic part is omitted, the structure is simpler, and the cost is reduced; the top of filter core barrel is provided with three mouth of a river, has simplified interface quantity, makes the water path connection of filter core in the water purifier more convenient, reduces the installation mistake and leaks, has improved assembly efficiency, has further improved the structure of water purifier filter core.

Drawings

The technical scheme of the utility model is further explained by combining the accompanying drawings as follows:

FIG. 1 is a perspective view of a water purifier filter element according to the present invention;

FIG. 2 is a top view of a water purifier filter element according to the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

FIG. 5 is a schematic view of a hidden filter element body of the filter element of the water purifier with a simple structure.

Wherein: 1. a cartridge body; 11. a boss; 111. a first nozzle; 112. a second water gap; 113. a third water gap; 12. a first annular wall; 13. a second annular wall; 2. a central tube; 21. a water pore; 3. a first cavity; 41. an RO membrane; 42. a pre-filter membrane; 5. a second cavity; 6. a lower end cover; 7. an upper end cover; 71. a third annular wall; 8. a third cavity; 9. a seal ring; 10. sealing the cover; 101. a handle; 20. and (6) welding a cover.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

As shown in the attached drawing 1, the water purifier filter element with simple structure comprises a filter element cylinder body 1, as shown in the attached drawing 3, a central tube 2 coaxial with the filter element cylinder body 1 is arranged in the filter element cylinder body 1, the bottom of the central tube 2 is plugged, and a first cavity 3 is formed in the central tube 2. The filter core body is installed in the outside of center tube 2, and the filter core body includes RO membrane 41 and leading filtration membrane 42, and the large granule impurity of leading filtration membrane 42 interception aquatic, impurities such as RO membrane 41 filtration inorganic salt, heavy metal ion, organic matter, bacterium, virus. The RO membrane 41 is wound and coated on the surface of the central tube 2, and a plurality of water holes 21 for communicating the first cavity 3 with the RO membrane 41 are uniformly arranged on the side wall of the central tube 2, so that water permeating through the RO membrane 41 can enter the central tube 2 through the water holes 21. The pre-filtering membrane 42 is wound on the outer side of the RO membrane 41, the second cavity 5 is formed between the pre-filtering membrane 42 and the filter element cylinder 1, raw water entering the filter element cylinder 1 firstly enters the second cavity 5, and then enters the first cavity 3 through the pre-filtering membrane 42 and the RO membrane 41 in sequence.

The lower end cover 6 is installed to the bottom of filter core body, and upper end cover 7 is installed at the top of filter core body, fixes the filter core body in filter core barrel 1. A third cavity 8 is formed between the upper end cover 7 and the filter element body. The top of the filter element cylinder body 1 is provided with a boss 11, the boss 11 is provided with a first water gap 111, a second water gap 112 and a third water gap 113, the first water gap 111 is communicated with the first cavity 3, the second water gap 112 is communicated with the second cavity 5, and the third water gap 113 is communicated with the third cavity 8. The raw water enters the second chamber 5 from the second water port 112, enters the first chamber 3 of the central tube 2 after being double-filtered by the pre-filter membrane 42 and the RO membrane 41, and exits from the first water port 111.

As shown in fig. 4, a first annular wall 12 and a second annular wall 13 coaxial with the filter cartridge cylinder 1 are formed inside the boss 11, the upper part of the central tube 2 is inserted into the first annular wall 12, and a sealing ring 9 is installed between the first annular wall 12 and the central tube 2 to prevent water in the first cavity 3 from mixing with water in the third cavity 8. The upper end cover 7 comprises a third annular wall 71 inserted into the second annular wall 13, and a sealing ring 9 is arranged between the second annular wall 13 and the third annular wall 71, so that the sealing performance of the product is improved.

The bottom of the filter element cylinder body 1 is provided with a sealing cover 10, and the sealing cover 10 is integrally provided with a handle 101 which is convenient to grasp when being installed and detached. The top of the filter element cylinder 1 is provided with a welding cover 20, and the welding cover 20 is provided with openings corresponding to the first water gap 111, the second water gap 112 and the third water gap 113.

The RO membrane 41 and the pre-filter membrane 42 are integrated into a whole by the water purifier filter element with a simple structure, so that a separated plastic part is avoided, only one central tube 2 is needed, the structure is simpler, the installation is more convenient, and the labor cost and the material cost are reduced; the top of the filter element barrel 1 is provided with three water gaps, so that the number of the connectors is simplified, the water path connection of the filter element in the water purifier is more convenient, the installation error and leakage are reduced, the assembly efficiency is improved, and the structure of the filter element of the water purifier is further improved.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a simple structure's water purifier filter core which characterized in that: the filter core comprises a filter core barrel, wherein a central tube coaxial with the filter core barrel is arranged inside the filter core barrel, a first cavity is formed inside the central tube, a filter core body is arranged outside the central tube, the filter core body comprises an RO (reverse osmosis) membrane and a pre-filtering membrane, the RO membrane is wound on the central tube, a plurality of water holes communicated with the first cavity and the RO membrane are formed in the side wall of the central tube, the pre-filtering membrane is wound outside the RO membrane, and a second cavity is formed between the pre-filtering membrane and the filter core barrel; the bottom of the filter element body is provided with a lower end cover, the top of the filter element body is provided with an upper end cover, and a third cavity is formed between the upper end cover and the filter element body; the filter element comprises a filter element barrel and is characterized in that a first water port, a second water port and a third water port are arranged at the top of the filter element barrel, the first water port is communicated with a first cavity, the second water port is communicated with a second cavity, and the third water port is communicated with a third cavity.

2. The water purifier filter element of simple construction as defined in claim 1, wherein: the top of filter core barrel is provided with the boss, first mouth of a river, second mouth of a river and third mouth of a river set up in on the boss.

3. A water purifier filter element having a simple structure according to claim 2, wherein: the filter element comprises a boss, a filter element barrel and a central tube, wherein the boss is arranged in the boss, the boss is internally provided with a first annular wall and a second annular wall which are coaxial with the filter element barrel, the upper part of the central tube is inserted into the first annular wall, and a sealing ring is arranged between the first annular wall and the central tube.

4. A water purifier filter element having a simple structure according to claim 3, wherein: the upper end cover comprises a third annular wall inserted into the second annular wall, and a sealing ring is arranged between the second annular wall and the third annular wall.

5. The water purifier filter element of simple construction as defined in claim 1, wherein: the bottom of the filter element cylinder body is provided with a sealing cover, and a lifting handle is arranged on the sealing cover.

6. The water purifier filter element of simple construction as defined in claim 1, wherein: the top of filter core barrel is provided with the welding lid, be provided with the opening that corresponds first mouth of a river, second mouth of a river and third mouth of a river respectively on the welding lid.