CN218573306U

CN218573306U - Filter core and purifier

Info

Publication number: CN218573306U
Application number: CN202222828963.3U
Authority: CN
Inventors: 田春宇; 余剑锋
Original assignee: Dreame Technology Suzhou Co ltd
Current assignee: Dreame Technology Suzhou Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-03-07
Anticipated expiration: 2032-10-26

Abstract

The utility model relates to a water purifier technical field especially relates to a filter core and purifier. The filter cartridge includes a center tube and a closure member. Wherein, the cross sectional shape of center tube is the quasi-ellipse, and the quasi-ellipse includes major axis and minor axis, and major axis and minor axis become first contained angle setting, and first contained angle is not equal to 90, and the one end of center tube is equipped with the liquid outlet, and the closure setting is kept away from the one end of liquid outlet at the center tube, makes the center tube form one end opening one end confined structure to the pure water after the filtration can be followed the liquid outlet output. This center tube utilizes first contained angle not to be equal to 90 designs, makes the center tube be asymmetric structure, reaches the installation and prevents slow-witted effect, and the operator of being convenient for discerns the installation direction, realizes quick installation, prevents filter core installation direction mistake. Meanwhile, the oval-like central tube structure can increase the volume of the central tube and increase the contact area of the central tube and an external structure. The water purifying device is beneficial to quick assembly and improves the working efficiency of operators.

Description

Filter core and purifier

Technical Field

The utility model relates to a water purifier technical field especially relates to a filter core and purifier.

Background

Along with the improvement of standard of living, people are increasingly big to the demand of water purification, purifier can filter the impurity of running water etc. for the user, provides healthy and safe drinking water for the user.

Generally, a water purifying apparatus includes a filter cartridge through which tap water is filtered, thereby outputting purified water. In the prior art, the filter element comprises a central tube and a reverse osmosis membrane sleeved on the central tube. The working principle is that raw water is filtered by a preposed filter element and then passes through a reverse osmosis filter element to obtain pure water, and simultaneously concentrated water is discharged from the reverse osmosis filter element. In the process, pure water is located inside the central tube, and concentrated water containing various heavy metal ions, impurities and harmful substances is collected and isolated outside the central tube by the reverse osmosis membrane. In the prior art, the two ends of the central tube are respectively provided with the water outlet end and the closed end, and the central tube is generally in a circular or oval symmetrical structure, so that the installation process of the central tube is easy to reverse, or an operator manually identifies the installation direction to be reverse, the time consumption is long, and the operation is inconvenient.

In order to solve the above problems, it is desirable to provide a filter element and a water purifying device, which solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a filter core to reach the operator discernment installation direction of being convenient for, realize quick installation, prevent the effect of filter core installation direction mistake.

Another object of the utility model is to provide a water purification device, including above-mentioned filter core to reach fast assembly and improve operator work efficiency's effect.

To achieve the purpose, the utility model adopts the following technical proposal:

a filter cartridge for liquid filtration, the filter cartridge comprising:

the cross section of the central tube is in an ellipse-like shape, the ellipse-like shape comprises a long axis and a short axis, the long axis and the short axis form a first included angle, the first included angle is not equal to 90 degrees, and one end of the central tube is provided with a liquid outlet; and

and the closing piece is arranged at one end of the central pipe, which is far away from the liquid outlet.

As an alternative, the central tube comprises:

the tube body is of an oval-like structure with openings at two ends; and

the reinforcing rib, the reinforcing rib with the minor axis becomes the direction setting of second contained angle in the body.

As an alternative, the second included angle is 0 ° to 30 °.

As an alternative, the central tube further comprises:

the end cover is arranged at one end, far away from the closed part, of the tube body, the end cover is connected with the tube body in a sealing mode, a liquid outlet is formed in the end cover, and liquid in the tube body can flow out of the liquid outlet.

As an alternative, the end cap is sleeved at one end of the tube body, or the end cap is embedded on the inner wall of one end of the tube body.

As an alternative, the central tube is provided with a plurality of communication holes through which the liquid can flow from outside the central tube into the central tube.

As an alternative, the filter cartridge further comprises:

a reverse osmosis membrane sleeved on the center tube, the reverse osmosis membrane configured to filter liquid entering the center tube.

As an alternative, the filter cartridge further comprises:

the casing, be equipped with on the casing and hold the chamber, the center tube sets up hold in the chamber.

As an alternative, the dimension of the long axis is 70% to 99% of the dimension of the length of the receiving cavity.

A water purification device comprises the filter element.

The utility model has the advantages that:

the utility model provides a filter core, this filter core includes center tube and closure member. Wherein, the cross sectional shape of center tube is the quasi-ellipse, and the quasi-ellipse includes major axis and minor axis, and major axis and minor axis become first contained angle setting, and first contained angle is not equal to 90, and the one end of center tube is equipped with the liquid outlet, and the closure setting is kept away from the one end of liquid outlet at the center tube, makes the center tube form one end opening one end confined structure to the pure water after the filtration can be followed the liquid outlet output. This center tube utilizes first contained angle not to be equal to 90 designs, makes the center tube be asymmetric structure, reaches the installation and prevents slow-witted effect, and the operator of being convenient for discerns the installation direction, realizes quick installation, prevents filter core installation direction mistake. Meanwhile, the oval-like central tube structure can increase the volume of the central tube and increase the contact area of the central tube and an external structure.

The utility model also provides a purifier, including above-mentioned filter core, be favorable to fast assembly and improve operator work efficiency.

Drawings

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

Fig. 1 is a schematic cross-sectional structural view of a center tube according to an embodiment of the present invention;

fig. 2 is a first schematic structural diagram of a center tube provided in an embodiment of the present invention;

fig. 3 is a schematic structural diagram ii of a center tube according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram three of a center tube provided in an embodiment of the present invention;

fig. 5 is a schematic sectional structure view of a filter element provided by an embodiment of the present invention.

The figures are labeled as follows:

100-a central tube; 110-a tube body; 111-long axis; 112-minor axis; 113-a communication hole; 120-reinforcing ribs; 130-an end cap; 131-a liquid outlet;

200-a closure;

300-a reverse osmosis membrane;

400-a housing.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only a part of the structure related to the present invention is shown in the drawings, not the whole structure.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be structurally related or interoperable between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

This embodiment provides a water purification unit, and water purification unit can filter the impurity etc. in the running water for the user, provides healthy and safe's drinking water for the user.

The water purification device comprises a plurality of filter elements for filtering water. Specifically, the filter element comprises a front filter element and a reverse osmosis filter element. When the device works, raw water is filtered by the preposed filter element and then passes through the reverse osmosis filter element to obtain pure water, and simultaneously, concentrated water is discharged from the reverse osmosis filter element.

Specifically, the filter cartridge includes a center tube 100 and a closure member 200. Wherein, the cross sectional shape of center tube 100 is quasi-ellipse, and quasi-ellipse includes major axis 111 and minor axis 112, and major axis 111 becomes first contained angle setting with minor axis 112, and first contained angle is not equal to 90 °, and the one end of center tube 100 is equipped with liquid outlet 131, and closure 200 sets up the one end of keeping away from liquid outlet 131 at center tube 100, makes center tube 100 form the structure that one end opening one end is sealed to the pure water after the filtration can be followed liquid outlet 131 and exported. This center tube 100 utilizes first contained angle not to be equal to 90 the design, makes center tube 100 be asymmetric structure, reaches the installation and prevents slow-witted effect, and the operator of being convenient for discerns the installation direction, realizes quick installation, prevents filter core installation direction mistake. At the same time, the elliptical-like shape of the central tube 100 can increase the volume of the central tube 100 and increase the contact area of the central tube 100 with external structures.

Through above-mentioned filter core, this purifier does benefit to fast assembly and improves operator work efficiency.

The filter element further comprises a reverse osmosis membrane 300, wherein the reverse osmosis membrane 300 is sleeved on the central tube 100 and can be used for filtering liquid entering the central tube 100. When the reverse osmosis membrane water purifier works, raw water is filtered through the reverse osmosis membrane 300, the filtered pure water is stored in the central tube 100, and concentrated water containing various heavy metal ions, impurities, harmful substances and the like is arranged outside the reverse osmosis membrane 300. The user obtains pure water from the outlet 131 of the center tube 100 while concentrated water is drained from the reverse osmosis membrane 300. When the user stew purifier for a long time, because the quality of water difference of reverse osmosis membrane 300 both sides is great, under the effect of dense water side, salt ion permeates to the pure water in, the outer dense water of reverse osmosis membrane 300 can permeate to a certain extent to the center tube 100 in, often leads to the first cup of water quality of preparation behind the shut down poor, is unfavorable for the health. In this embodiment, the oval-like configuration of the center tube 100 increases the volume of the center tube 100, thereby increasing the volume of pure water inside the center tube 100. At this time, when impurities with the same proportion permeate into the central tube 100 through the reverse osmosis membrane 300, the proportion of the impurities in the pure water in the oval-like central tube 100 is lower than the concentration of the impurities in the circular central tube 100, which is beneficial to improving the drinking water safety of users. Meanwhile, the filter element reduces the forward osmosis efficiency in a click state, so that the water quality in the central tube 100 is not obviously reduced, and the aim of improving the water quality of pure water is fulfilled. Due to the arrangement of the oval-like central pipe, the area of the reverse osmosis membrane 300 outside the central pipe is larger, and the service life of the reverse osmosis membrane 300 can be prolonged.

Further, the central tube 100 includes a tube body 110 and a reinforcing rib 120, wherein the tube body 110 has an open-ended ellipse-like structure at both ends, the reinforcing rib 120 and the short axis 112 are arranged in the tube body 110 in the direction of the second included angle, the central tube 100 is divided into two cavities, the reinforcing rib 120 can support the tube body 110, the tube body 110 is prevented from deforming, and the structural strength of the central tube 100 is improved. Optionally, the second included angle is 0 ° to 30 °, so that the direction of the reinforcing rib 120 is closer to the short axis 112, so as to reduce the length of the reinforcing rib 120, and further reduce the volume occupied by the reinforcing rib 120.

In addition, the central tube 100 further includes an end cap 130 disposed at an end of the tube 110 far from the closing element 200, the end cap 130 is connected to the tube 110 in a sealing manner, and a liquid outlet 131 is disposed on the end cap 130, so that liquid in the tube 110 can flow out from the liquid outlet 131, and the tube 110 and the end cap 130 are designed to be separated, which is beneficial to simplifying the structure of the tube 110 and facilitating the formation of the tube 110.

Specifically, the end cap 130 is sleeved at one end of the tube body 110, or the end cap 130 is embedded on the inner wall of one end of the tube body 110, and the two connection modes enable the end cap 130 and the tube body 110 to have a certain overlapping area, thereby being beneficial to improving the sealing effect between the tube body 110 and the end cap 130 and avoiding liquid leakage.

Further, be equipped with a plurality of intercommunicating pores 113 on the center tube 100, pure water after reverse osmosis membrane 300 filters can flow into the center tube 100 from the center tube 100 outward through intercommunicating pore 113, and this liquid circulation mode simple structure is convenient for realize, and is favorable to improving filtration efficiency.

It can be understood that the filter element further comprises a housing 400, wherein a containing cavity is arranged on the housing 400, and the central pipe 100 is arranged in the containing cavity so as to form a containing space for the central pipe 100 and the reverse osmosis membrane 300.

Optionally, the size of the long shaft 111 is 70% to 99% of the size of the length of the accommodating cavity, so that the volume of the central tube 100 is increased by increasing the size of the long shaft 111, and the impurity proportion of pure water in the central tube 100 which is left standing for a long time is further reduced.

It is noted that the basic principles and main features of the present invention and the advantages of the present 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 embodiments described above, which are given by way of illustration only, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims

1. A filter cartridge for liquid filtration, the filter cartridge comprising:

the cross-sectional shape of the central tube (100) is an ellipse-like shape, the ellipse-like shape comprises a long axis (111) and a short axis (112), the long axis (111) and the short axis (112) form a first included angle, the first included angle is not equal to 90 degrees, and one end of the central tube (100) is provided with a liquid outlet (131); and

a closing piece (200) is arranged at one end of the central pipe (100) far away from the liquid outlet (131).

2. The filter cartridge of claim 1, wherein the center tube (100) comprises:

the tube body (110), the tube body (110) is of an ellipse-like structure with openings at two ends; and

a reinforcing rib (120), the direction of the second included angle formed by the reinforcing rib (120) and the short shaft (112) is arranged in the pipe body (110).

3. The filter element of claim 2, wherein the second included angle is between 0 ° and 30 °.

4. The filter cartridge of claim 2, wherein the center tube (100) further comprises:

the end cover (130) is arranged at one end, far away from the sealing part (200), of the tube body (110), the end cover (130) is connected with the tube body (110) in a sealing mode, a liquid outlet (131) is formed in the end cover (130), and liquid in the tube body (110) can flow out of the liquid outlet (131).

5. The filter element according to claim 4, characterized in that the end cap (130) is sleeved on one end of the tube body (110) or the end cap (130) is embedded on the inner wall of one end of the tube body (110).

6. The cartridge according to claim 1, characterized in that the central tube (100) is provided with a plurality of communication holes (113), through which the liquid can flow from the outside of the central tube (100) into the central tube (100).

7. The filter cartridge of claim 1, further comprising:

a reverse osmosis membrane (300) sleeved on the central tube (100), the reverse osmosis membrane (300) configured to filter liquid entering the central tube (100).

8. The filter cartridge of any one of claims 1-7, further comprising:

the shell (400) is provided with an accommodating cavity, and the central pipe (100) is arranged in the accommodating cavity.

9. The filter cartridge according to claim 8, characterized in that the dimension of the long axis (111) is between 70% and 99% of the dimension of the length of the housing chamber.

10. A water purification apparatus comprising a cartridge as claimed in any one of claims 1 to 9.