WO2018129746A1

WO2018129746A1 - Filter element assembly and water purifier provided with same

Info

Publication number: WO2018129746A1
Application number: PCT/CN2017/071306
Authority: WO
Inventors: 郑跃东; 宋国栋
Original assignee: 佛山市顺德区美的饮水机制造有限公司; 美的集团股份有限公司
Priority date: 2017-01-16
Filing date: 2017-01-16
Publication date: 2018-07-19

Abstract

A filter element assembly (100) and a water purifier provided with the same. The filter element assembly (100) comprises a filter housing (10), a joint (20), a seal cover (30), a filter element (40), and a central tube (50). A main body portion (22), a joint connection portion (23), and a water division column (24) are disposed on the joint (20). The joint connection portion (23) is disposed on the upper end of the main body portion (22) and is connected to the filter housing (10). The water division column (24) is connected to the main body portion (22) and at least one part of the water division column (24) is staggered with the inner wall surface of the main body portion (22). A water inlet and a water outlet communicating with a filter chamber (10a) are formed in the joint (20). The seal cover (30) is disposed on the joint (20). The filter element (40) is disposed in the filter chamber (10a) and is disposed on the seal cover (30). The central tube (50) is plugged in the joint tube (31) and communicates with the water outlet.

Description

Filter element and water purifier with same

Technical field

The present invention relates to the field of water purification equipment, and more particularly to a filter element assembly and a water purifier having the same.

Background technique

At present, the filter element is widely used in water purification equipment, and the filter element can effectively filter out impurities and the like in the water, and achieve sterilization. However, the joint and the flow divider of the filter element assembly in the related art are usually a split structure, and the two are welded. Or the card connection, the structure is more complicated, and the welding slag is easily generated when the connection is made by welding, and the welding slag may block the switch with the outflow of the water flow.

Summary of the invention

The present invention aims to solve at least one of the technical problems in the related art to some extent.

To this end, the present invention proposes a filter element assembly which is simple in structure, convenient in assembly, low in manufacturing cost, high in reliability, and good in user experience.

The invention also proposes a water purifier having the above-described filter element assembly.

A filter element assembly according to an embodiment of the first aspect of the present invention includes a filter housing, wherein the filter housing defines a filter chamber; a joint, the joint is provided with a main body portion, a joint connecting portion and a water dividing column, and the joint connecting portion is disposed at An upper end of the main body portion and connected to the filter housing, the water dividing column is connected to the main body portion and at least a portion is spaced apart from an inner wall surface of the main body portion, and the joint is provided with the filter chamber a water inlet and a water outlet; a cover, the cover is disposed on the joint and located in the filter chamber; and a filter element is disposed in the filter chamber and disposed on the cover; a center tube that is inserted into the joint and communicates with the water outlet.

According to the filter element assembly of the embodiment of the present invention, the water inlet and the water outlet communicating with the filter chamber are respectively disposed on the joint, and the joint is directly disposed on the filter shell, so that the joint can not only function as a filter chamber for sealing the filter element assembly. The utility model can also realize the diversion between the raw water entering through the water inlet and the purified water flowing out through the water outlet, and the components such as the flow divider are omitted compared with the filter element assembly in the related art, thereby effectively simplifying the filter element assembly. The overall structure, convenient assembly, and low manufacturing cost, and the situation of the water purifier switch which can block the welding slag which may be generated when the shunt is connected are avoided, and the reliability of use is improved.

In addition, the filter element assembly according to the embodiment of the present invention may further have the following additional technical features:

According to an embodiment of the invention, the water outlet is provided in the middle of the joint, and the water inlet is provided at the outer circumference of the joint.

According to an embodiment of the invention, the water outlet is disposed coaxially with the filter housing and the central tube, the water inlet The mouth is provided at the outer ends of the water outlet.

According to an embodiment of the present invention, the main body portion is formed substantially in a columnar shape, and the water dividing column is formed substantially in a columnar shape provided in the main body portion, and the connection between the water dividing column and the main body portion is provided with the a water outlet, the outer wall surface of the water dividing column and the inner wall surface of the main body portion are spaced apart to define a water inlet passage communicating with the water inlet, wherein the water dividing column defines the water outlet and is suitable for plugging The outlet passage of the central tube.

According to an embodiment of the invention, the lower end of the water dividing column extends downward beyond the lower end of the body portion to form the water outlet.

According to an embodiment of the invention, the inner wall surface of the upper end of the water dividing column is provided with a mounting step extending in the circumferential direction thereof, and the lower end of the cover is inserted on the mounting step.

According to an embodiment of the invention, the outer diameter of the main body portion is smaller than the inner diameter of the filter housing, and an annular transition portion extending obliquely upward and outward is provided between the main body portion and the joint connecting portion.

According to an embodiment of the invention, the joint connection is snap-connected to the filter housing.

According to an embodiment of the invention, the joint is an integrally formed piece.

A water purifier according to an embodiment of the second aspect of the present invention includes the filter element assembly described in the above embodiments.

The additional aspects and advantages of the invention will be set forth in part in the description which follows.

DRAWINGS

1 is a schematic structural view of a filter element assembly according to an embodiment of the present invention;

Figure 2 is an enlarged view of a portion A shown in Figure 1;

Figure 3 is a bottom plan view of a joint of a cartridge assembly in accordance with an embodiment of the present invention;

Figure 4 is a cross-sectional view taken along line B-B of Figure 3;

Fig. 5 is a schematic view showing still another structure of a filter element assembly according to an embodiment of the present invention.

Reference mark:

100: filter element assembly;

10: filter housing; 10a: filter chamber; 11: filter shell support rib;

20: joint;

21: groove; 22: main body portion; 23: joint connection portion;

24: water column; 241: installation step; 25: annular transition;

30: cover;

31: joint pipe; 32: support plate; 33: first partition; 34: second partition; 35: support rib;

40: filter element;

50: center tube;

60: water stop pad;

70: limit core head;

80: Sealing ring.

detailed description

Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are intended to be illustrative of the invention and are not to be construed as limiting.

The filter cartridge assembly 100 according to the embodiment of the first aspect of the present invention will be specifically described below with reference to FIGS. 1 through 5.

The filter cartridge assembly 100 according to an embodiment of the present invention includes a filter housing 10, a joint 20, a cover 30, a filter cartridge 40, and a center tube 50. Specifically, the filter housing 10 defines a filter chamber 10a. The joint 20 is provided with a main body portion 22, a joint connecting portion 23 and a water dividing column 24. The joint connecting portion 23 is disposed at an upper end of the main body portion 22 and connected to the filter housing 10. The water dividing column 24 is connected to the main body portion 22 and at least partially spaced apart from the inner wall surface of the main body portion 22. The joint 20 is provided with a water inlet and a water outlet communicating with the filter chamber 10a, and the cover 30 is disposed on the joint 20 and located at the filter. In the chamber 10a, the filter element 40 is disposed in the filter chamber 10a and is disposed on the cover 30. The center tube 50 is inserted into the joint tube 31 and communicates with the water outlet.

In other words, the filter element assembly 100 is mainly composed of the filter housing 10, the joint 20, the cover 30, the filter element 40, and the central tube 50. The joint 20 is mainly composed of the main body portion 22, the joint connecting portion 23 and the water dividing column 24, and the water dividing column 24 The outer wall surface is spaced apart from the inner wall surface of the main body portion 22, so that a water inlet passage that is electrically connected to the water inlet is defined between the outer wall surface of the water dividing column 24 and the inner wall surface of the main body portion 22, and the inside of the filter housing 10 is defined The filter chamber 10a is open at one end, and the joint 20 is disposed on the filter housing 10 and connected to the open end of the filter housing 10 to close the opening of the filter chamber 10a. The joint 20 extends in the vertical direction (up and down direction as shown in FIG. 1). At one end of the joint 20 (the lower end as shown in FIG. 1), there is a water inlet and a water outlet communicating with the filter chamber 10a, and the upper end of the joint connection portion 23 of the joint 20 is directly connected to the filter housing 10, thereby making the joint 20 Not only can the function of sealing the filter chamber 10a of the filter element assembly 100, but also the split between the raw water entering through the water inlet and the purified water flowing out through the water outlet can be realized, compared with the related art filter element assembly. Components such as shunts The overall structure of the filter element assembly 100 is effectively simplified, the assembly is facilitated, the manufacturing cost is reduced, and the situation of the water purifier switch that clogging the welding slag which may occur when the shunt is connected is avoided, and the reliability of use is improved.

Further, the cover 30, the filter element 40 and the center tube 50 are located in the filter chamber 10a, the center tube 50 is disposed at a central position of the filter chamber 10a, the center tube 50 extends along the central axis of the filter housing 10, and the lower end of the center tube 50 Inserted in the joint 20 and communicated with the water outlet on the joint 20, the upper end of the central tube 50 can be supported by the filter support rib 11 (as shown in FIG. 5), thereby facilitating the outflow of purified water through the central tube 50, and the filter element 40 is substantially Formed as a ring cylinder and disposed above the cover 30, the size and shape of the ring-shaped filter element 40 correspond to the size and shape of the upper end of the cover 30, thereby the filter element 40 can be matched with the cover 30 so that the fixed connection between the two can avoid the phenomenon of water in the water.

When the filter element assembly 100 is in operation, the raw water enters the filter chamber 10a from the water inlet on the joint 20, passes through the outside of the cover 30 to the filter element 40, continues to flow upward through the filtering action of the filter element 40, and then filters again through the upper portion of the filter element assembly 100. Thereafter, the upper end of the central tube 50 enters the central tube 50, flows along the central tube 50 to the water outlet, and the filtered water after a plurality of filtrations finally flows out of the filter element assembly 100 for use by the user.

Thus, according to the filter element assembly 100 of the embodiment of the present invention, the water inlet and the water outlet communicating with the filter chamber 10a are respectively disposed on the joint 20, and the joint 20 is directly disposed on the filter housing 10, so that the joint 20 can be not only It functions to seal the filter chamber 10a of the filter element assembly 100, and can also realize the split between the raw water entering through the water inlet and the clean water flowing out through the water outlet, and the shunt is omitted as compared with the filter element assembly of the related art. And other components, thereby effectively simplifying the overall structure of the filter element assembly 100, facilitating assembly, reducing manufacturing costs, and avoiding the situation of the water purifier switch that may cause slag clogging which may occur when the shunt is connected, and improving the reliability of use. . Therefore, the filter element assembly 100 has a simple structure, convenient assembly, low manufacturing cost, and high reliability.

In some embodiments of the present invention, the cover 30 includes a joint tube 31, a support plate 32, a first partition 33, and a second partition 34. The joint tube 31 is formed in a tubular shape extending along the axial direction of the filter housing 10. The outer end of the joint pipe 31 is connected to the joint 20, and the support plate 32 is disposed outside the inner end of the joint pipe 31 and extends outward in the radial direction of the filter casing 10, and the first partition plate 33 and the second partition plate 34 are respectively disposed at The support plate 32 extends toward the filter casing 10, and the first partition plate 33 and the second partition plate 34 are respectively formed in a ring shape extending along the circumferential direction of the filter casing 10. The filter element 40 is disposed in the filter chamber 10a and is engaged in the first Between a partition 33 and the second partition 34.

Specifically, as shown in FIG. 2, the cover 30 is mainly composed of a joint pipe 31, a support plate 32, a first partition 33, and a second partition 34. The joint pipe 31 is arranged in a tubular shape along the axial direction of the filter casing 10. The joint pipe 31 is bored on the inner side of the joint 20 and connected to the joint 20, and the support plate 32 is disposed in the filter chamber 10a adjacent to the inner end of the joint 20, and the support plate 32 extends outward in the radial direction of the filter casing 10. The lower surface of the support plate 32 is connected to one end of the joint pipe 31 (the upper end shown in FIG. 2), and the upper surface of the support plate 32 is provided with a first partition 33 which is radially spaced along the support plate 32 and The second partition 34, that is, the first partition 33 and the second partition 34 are spaced apart in the radial direction of the support plate 32, specifically, the first partition 33 and the second partition 34 are respectively along the filter housing 10. The circumferential extension is arranged in a ring shape, the first partition 33 is located on the outer circumference of the support plate 32, and the second partition 34 is located on the inner side of the support plate 32.

Further, the filter element 40 is substantially formed as a ring cylinder and is disposed in the filter chamber 10a. The inner diameter of the ring-shaped filter element 40 is substantially equal to the radial dimension of the second partition plate 34, and the outer diameter of the ring-shaped filter element 40 and the first partition plate. The radial dimensions of 33 are substantially equal, so that the filter element 40 is snapped between the first partition 33 and the second partition 34 between the filter elements 40 to achieve a fixed connection of the filter element 40 to avoid water leakage.

Advantageously, the cartridge assembly 100 further includes a water stop pad 60 and a support rib 35 movably disposed on the joint tube 31 to open and close the water inlet, the water stop pad 60 being configured to enter the water inlet Open the water inlet and enter the water when water The water inlet is closed when the mouth is not in the water, and the support rib 35 is provided on the upper end surface of the support plate 32.

Referring to FIGS. 1 and 2, the water stop pad 60 extends in the axial direction (up and down direction as shown in FIG. 1), and the water stop pad 60 is coaxially sleeved on the outer side of the joint pipe 31, and passes through the water stop pad 60. The cooperation with the joint 20 realizes opening or automatically closing the water inlet, thereby ensuring the water inlet of the filter element assembly 100, and avoiding the safety of the water flow flowing back through the water inlet when the water inlet is stopped.

Alternatively, the cross-sectional shape of the support ribs 35 may be formed in a triangular shape, and the support ribs 35 are located between the first partition plate 33 and the second partition plate 34, and the filter element 40 is engaged with the first partition plate 33 and the second partition plate 34, the lower end surface of the filter element 40 is in contact with the upper end surface of the support plate 32, the lower end surface of the filter element 40 is abutted against the support rib 35, and the top of the support rib 35 is embedded in the end surface of the filter element 40, so that the support plate 32 and the filter element can be ensured. The sealing between the 40 and the connection reliability prevent the occurrence of water in the filter element assembly 100.

Wherein, the water outlet is arranged in the middle of the joint 20, and the water inlet is arranged on the outer circumference of the joint 20.

Specifically, as shown in FIG. 1, the water outlet is provided in the middle of the joint 20, that is, the central axis of the water outlet coincides with the central axis of the joint 20, thereby facilitating the assembly fit between the center tube 50 and the joint 20. The nozzle is disposed on the outer circumference of the joint 20, thereby avoiding interference with the joint pipe 31 and simplifying the structure of the filter element assembly 100. Of course, the number of inlets can be adjusted according to actual design requirements to ensure the filtration efficiency of the filter element assembly 100. And filtration uniformity.

Advantageously, the water outlet is disposed coaxially with the filter housing 10 and the central tube 50, and the water inlet is provided at the outer ends of the water outlet.

Referring to FIG. 1, the water outlet is disposed coaxially with the filter housing 10 and the center tube 50, that is, the central axes of the water outlet, the filter housing 10, and the central tube 50 are coincident, thereby simplifying the joint 20, the center tube 50, and the filter housing 10. The assembly is assembled between the two, and the piping arrangement of the central tube 50 can also be simplified, thereby improving the manufacturing efficiency of the filter element assembly 100, and the water inlet is provided on both sides of the water outlet to ensure the water intake of the filtration process and the filtration. Uniformity, and interference between the water inlet and the water outlet can also be avoided, further improving the reliability of the filter element assembly 100.

In some embodiments of the present invention, the joint 20 includes a main body portion 22, a joint connecting portion 23, and a water dividing column 24. The main body portion 22 is formed substantially in a column shape, and the joint connecting portion 23 is provided at an upper end of the main body portion 22 and connected to the filter housing 10. The water dividing column 24 is formed substantially in a column shape provided in the main body portion 22, and the water dividing column 24 is connected to the main body portion 22 and at least a portion is spaced apart from the inner wall surface of the main body portion 22, and the junction of the water dividing column 24 and the main body portion 22 is provided. The water inlet, the outer wall surface of the water dividing column 24 and the inner wall surface of the main body portion 22 are spaced apart to define a water inlet passage communicating with the water inlet, and the water dividing column 24 defines a water outlet and a water outlet passage suitable for plugging the center tube 50. .

Specifically, as shown in FIG. 2, the joint 20 is mainly composed of a main body portion 22, a joint connecting portion 23, and a water dividing column 24. The main body portion 22 is formed substantially as a columnar body extending in the axial direction, and the upper end of the main body portion 22 and the joint portion are connected. 23 is connected, and the joint connecting portion 23 is connected to the filter casing 10 such that the main body portion 22 is indirectly fixed to the lower end of the filter casing 10, and the water dividing column 24 extends in the axial direction and is disposed in the joint connecting portion 23.

Advantageously, the water dividing column 24 is disposed coaxially with the main body portion 22, and one end of the water dividing column 24 (the lower end as shown in FIG. 2) is connected to the main body portion 22, and the outer wall surface of the water dividing column 24 is spaced apart from the inner wall surface of the main body portion 22. Therefore, a water inlet passage that is electrically connected to the water inlet is defined between the outer wall surface of the water dividing column 24 and the inner wall surface of the main body portion 22, and at the same time, the water dividing column 24 is connected to the main body portion 22 (the lower end as shown in FIG. 2). The water inlet port is defined, and the water outlet channel 24 defines a water outlet passage that is connected to the water outlet of the lower end of the water distribution column 24, so that the water inlet port 24 and the cover 30, the water distribution column 24 and the main body portion 22 cooperate with each other to make the water inlet The arrangement between the water outlet, the water inlet channel and the water outlet channel ensures that the raw water entering the filter chamber 10a through the water inlet channel and the purified water flowing out of the filter chamber 10a through the water outlet channel are shunted, thereby effectively simplifying the filter element assembly 100. The overall structure and improved assembly efficiency.

Optionally, the lower end of the water dividing column 24 extends downward beyond the lower end of the body portion 22 to form a water outlet.

Specifically, as shown in FIG. 1 and FIG. 2, the water dividing column 24 is disposed coaxially with the main body portion 22 and protrudes downwardly from the main body portion 22 in the axial direction, and the water dividing column 24 extends from the lower end of the main body portion 22 to form a channel leading to the water outlet. The lower end inner ring of the main body portion 22 is connected to the outer side wall of the water dividing column 24, and the upper end of the main body portion 22 is connected to the lower end of the joint connecting portion 23, thereby facilitating the filter element assembly 100 and the filter element socket (not shown), etc. Assembly connection between other components.

The inner wall surface of the upper end of the water dividing column 24 is provided with a mounting step 241 extending in the circumferential direction thereof, and the lower end of the cover 30 is inserted into the mounting step 241.

Referring to Fig. 2, the inner wall surface of the upper end of the water dividing column 24 is provided with a mounting step 241 extending circumferentially along the water dividing column 24, and the inner wall surface of the water dividing column 24 at the upper end of the mounting step 241 has a radial dimension greater than or equal to the outer wall surface of the lower end of the sealing cover 30. The radial dimension of the inner wall surface of the water dividing column 24 at the lower end of the mounting step 241 is slightly larger than or equal to the outer diameter of the central tube 50 inserted in the water outlet passage, so that the lower end of the cover 30 can be inserted into the mounting step 241. Further, the cooperation between the inner wall surface of the upper end of the water dividing column 24 and the outer wall surface of the cover 30 and the inner wall surface of the lower end of the water dividing column 24 and the outer wall surface of the central pipe 50 further enhance the sealing effect and avoid the generation of water. .

In addition, the filter cartridge assembly 100 further includes a limiting core 70 and a sealing ring 80. The inner wall of the joint 20 is provided with an inwardly recessed recess 21, and the limiting core 70 is disposed in the joint 20 and at least a portion thereof extends into the recess 21 The seal ring 80 is pressed into the recess 21.

Specifically, as shown in FIGS. 1 and 2, a portion of the inner wall surface of the joint 20 adjacent to the center tube 50 is recessed in the radial direction, thereby defining a groove 21 with the outer wall of the center tube 50, and the radial dimension of the groove 21 ( That is, the dimension between the outer wall surface of the center tube 50 and the inner wall surface of the recess of the joint 20 is not larger than the size of the seal ring 80, so that the seal ring 80 can be fastened in the groove 21, and the sealing effect is achieved, avoiding the center tube 50. A gap is left between the joint 20 and the water is generated.

The limiting core head 70 generally forms an inverted circular boss extending in the axial direction (upper and lower direction as shown in FIG. 1), and the outer diameter of the lower boss of the limiting core 70 is smaller than the upper convex of the limiting core 70 The outer diameter of the table, the lower boss is formed substantially in a cylindrical structure, the inner wall surface of the lower boss has a radial dimension greater than or equal to the outer diameter of the center tube 50, and the outer wall surface of the lower boss has a radial dimension less than or equal to the joint 20 The inner wall surface of the groove 21 has a radial dimension.

When the filter housing 10 is assembled with the joint 20, the seal cover 30, the filter element 40, the center tube 50, and the like, the limit core 70 is pushed by the joint pipe 31 against the cover 30 and the lower end of the upper boss. The inner surface of the abutting joint 20 is adjacent to the inner wall surface of the groove 21, and the upper end surface abuts against the lower end surface of the joint pipe 31 of the sealing cover 30, and then cooperates with the central pipe 50, the joint 20 and the cover 30 by the limiting core 70. The sealing ring 80 is pressed into the recess 21 to further limit the degree of freedom of the sealing ring 80 relative to the central tube 50. Moreover, the limiting core 70 can also serve to reduce the inner wall surface of the joint 20 and the central tube 50. The role of the outer wall gap further avoids the possibility of water in the string.

Advantageously, the outer diameter of the main body portion 22 is smaller than the inner diameter of the filter housing 10, and an annular transition portion 25 extending obliquely upward and outward is provided between the main body portion 22 and the joint connecting portion 23.

Specifically, as shown in FIGS. 1 and 2, the radial dimension of the outer wall surface of the main body portion 22 is smaller than the radial dimension of the inner wall surface of the filter housing 10, and the lower end of the annular transition portion 25 is connected to the upper end of the main body portion 22, and the annular transition portion The upper end of the 25 is connected to the joint connecting portion 23, and the filter housing 10 is snapped inside the joint connecting portion 23, and the annular transition portion 25 is inclined upward in the axial direction and outward in the radial direction, so that the main body portion 22 can be made The smooth transition between the joint connecting portions 23 improves the uniformity of the force of the structure, and also facilitates the fitting fit between the joint 20 and the filter housing 10.

Optionally, the joint connection portion 23 is snap-connected to the filter housing 10.

Referring to FIG. 2, the joint connecting portion 23 is provided with a joint card slot and a joint buckle extending in the axial direction, and the lower end of the filter housing 10 is provided with a filter housing buckle and a filter housing card slot extending in the axial direction, thereby utilizing the joint The cooperation between the card slot and the filter housing buckle, the connector buckle and the filter housing slot ensures the assembly reliability between the connector 20 and the filter housing 10, and also simplifies the assembly process and improves assembly efficiency.

Preferably, the joint 20 is an integrally formed piece, whereby the integrally formed structure not only ensures the structure and performance stability of the filter element assembly 100, but also facilitates molding and manufacturing, and eliminates redundant fittings and joining processes. The assembly efficiency of the filter element assembly 100 is improved, and the connection reliability of the filter element assembly 100 is ensured. Furthermore, the overall structure and stability of the integrally formed structure are high, the assembly is more convenient, and the service life is longer.

A water purifier (not shown) according to an embodiment of the second aspect of the present invention, including the filter element assembly 100 of the above embodiment, since the cartridge assembly 100 according to the above embodiment of the present invention has the above-described technical effects, according to an embodiment of the present invention The water purifier also has the corresponding technical effect, that is, the water purifier has a simple structure, convenient assembly, low manufacturing cost and high reliability.

Specifically, the water inlet and the water outlet communicating with the filter chamber 10a are respectively disposed on the joint 20 of the filter element assembly 100 of the water purifier, and the joint 20 is directly disposed on the filter housing 10, so that the joint 20 can not only function The function of the filter chamber 10a of the filter element assembly 100 is sealed, and the split between the raw water entering through the water inlet and the clean water flowing out through the water outlet can also be realized, and the components such as the splitter are omitted as compared with the filter element assembly of the related art. Therefore, the overall structure of the filter element assembly 100 of the water purifier is effectively simplified, the assembly is facilitated, the manufacturing cost is reduced, and the water purifier switch which can block the welding slag which may be generated when the shunt is connected is avoided, and the purified water is improved. The reliability of the use of the device.

Other configurations and operations of the cartridge assembly 100 and the water purifier having the same according to embodiments of the present invention are in the art It is known to the ordinarily skilled artisan and will not be described in detail herein.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " After, "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship of the "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplified description, and does not indicate or imply the indicated device or component. It must be constructed and operated in a particular orientation, and is not to be construed as limiting the invention.

Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" or "second" may include at least one of the features, either explicitly or implicitly. In the description of the present invention, the meaning of "a plurality" is at least two, such as two, three, etc., unless specifically defined otherwise.

In the present invention, the terms "installation", "connected", "connected", "fixed" and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. Or in one piece; it may be a mechanical connection, or it may be an electrical connection or a communication with each other; it may be directly connected or indirectly connected through an intermediate medium, and may be an internal connection of two elements or an interaction relationship between two elements. Unless otherwise expressly defined. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" and the like means a specific feature described in connection with the embodiment or example. A structure, material or feature is included in at least one embodiment or example of the invention. In the present specification, the schematic representation of the above terms is not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, various embodiments or examples described in the specification, as well as features of various embodiments or examples, may be combined and combined.

Although the embodiments of the present invention have been shown and described, it is understood that the above-described embodiments are illustrative and are not to be construed as limiting the scope of the invention. The embodiments are subject to variations, modifications, substitutions and variations.

Claims

A filter cartridge assembly, comprising:

a filter housing, wherein the filter housing defines a filter chamber;

a joint having a main body portion, a joint connecting portion and a water dividing column, wherein the joint connecting portion is disposed at an upper end of the main body portion and connected to the filter housing, and the water dividing column is connected to the main body portion At least a portion is spaced apart from an inner wall surface of the main body portion, and the joint is provided with a water inlet and a water outlet communicating with the filter chamber;

a cover, the cover is disposed on the joint and located in the filter cavity;

a filter element, the filter element is disposed in the filter chamber and disposed on the cover;

a center tube that is inserted into the joint and communicates with the water outlet.
The cartridge assembly according to claim 1, wherein said water outlet is provided in a middle portion of said joint, and said water inlet is provided at an outer circumference of said joint.
The cartridge assembly according to claim 2, wherein the water outlet is disposed coaxially with the filter housing and the center tube, and the water inlet is provided at both outer ends of the water outlet.
The filter element assembly according to any one of claims 1 to 3, wherein the main body portion is formed substantially in a columnar shape, and the water dividing column is formed substantially in a columnar shape provided in the main body portion, the water dividing column and The water inlet is provided at a joint of the main body portion, and an outer wall surface of the water dividing column and an inner wall surface of the main body portion are spaced apart to define a water inlet passage communicating with the water inlet, the water dividing column The water outlet and the water outlet passage adapted to be inserted into the center tube are defined therein.
The cartridge assembly according to claim 4, wherein the lower end of the water dividing column extends downward beyond the lower end of the body portion to form the water outlet.
The cartridge assembly according to claim 4, wherein an inner wall surface of the upper end of the water dividing column is provided with a mounting step extending in a circumferential direction thereof, and a lower end of the cap is inserted on the mounting step.
The cartridge assembly according to claim 4, wherein an outer diameter of the main body portion is smaller than an inner diameter of the filter housing, and an inclined upward and outward direction is provided between the main body portion and the joint connecting portion. The annular transition.
The filter element assembly of claim 4 wherein said joint connection is snap-fitted to said filter housing.
A cartridge assembly according to any one of claims 1-8, wherein the joint is an integrally formed piece.
A water purifier comprising the filter cartridge assembly of any of claims 1-9.