WO2023159946A1 - Filtering assembly, water purification system, and refrigerator - Google Patents

Abstract

The present application relates to the technical field of water treatment. Disclosed are a filtering assembly, a water purification system, and a refrigerator. The filtering assembly comprises a water intake channel, a water output channel, a first cylinder and a second cylinder, wherein the second cylinder is at least partially accommodated in the first cylinder; a filter is provided in the second cylinder, and the water intake channel, the filter and the water output channel are sequentially connected; a spiral channel is provided between an outer wall surface of the second cylinder and an inner wall surface of the first cylinder, and the water intake channel comprises the spiral channel; and in the spiral channel, water to be filtered by the filtering assembly can be diverted by the spiral channel.

Description

Filtration components, water purification systems and refrigerators

This application claims the priority of the Chinese patent application with application number 202220429949.3 filed on February 28, 2022.

technical field

The present application relates to the technical field of water treatment, in particular to a filter assembly, a water purification system and a refrigerator.

Background technique

With the improvement of people's quality of life, water purification systems are becoming more and more popular in daily life. Water purification systems are mainly used to remove solid particles, colloids, microorganisms and harmful chemicals in water. By continuously upgrading the filter materials in the water purification system, the quality of the water treated by the water purifier is continuously improved. In some current water purification systems, the quality of the output water body is not good, and the quality of the water body still needs to be improved.

technical problem

The main purpose of this application is to propose a filter assembly aimed at improving the quality of the output water.

technical solution

After research, the applicant found that even if more advanced filter materials are replaced, the quality of the water output by the water purification system still needs to be improved. The water body exceeds, causing some water bodies to stay in the water purification system for a long time. When this part of the water body stays for a long time when it is output, the quality of the output water body is reduced, and the taste of drinking is reduced.

To achieve the above purpose, the filter assembly proposed by the present application includes a water inlet channel and a water outlet channel, and also includes a first cylinder; the filter assembly also includes a second cylinder, and the second cylinder is at least partially accommodated in the In the first cylinder; in the second cylinder, a filter body is provided, and the water inlet channel, the filter body, and the water outlet channel are connected in sequence; the outer wall surface of the second cylinder body is connected to the first cylinder body A spiral channel is provided between the inner walls of the water inlet channel, and the water inlet channel includes the spiral channel.

In one embodiment, the second cylinder includes a first sub-cylinder section and a second sub-cylinder section, and the filter body is accommodated in the first sub-cylinder section; the second sub-cylinder A third cylinder is provided in the section, and a second gap is provided between the outer wall of the third cylinder and the inner wall of the second sub-cylinder section, and one end of the second gap is connected to the spiral channel The other end of the second gap communicates with the filter body. A second gap is provided between the outer wall surface of the third cylinder and the inner wall surface of the second sub-cylinder section, and the third cylinder and the second gap can improve the water flow in the space where no filter body is arranged in the axial direction. Orderly, to better ensure the first-in-first-out of the water body, and further improve the quality of the output water body.

In one embodiment, the filter body is cylindrical, and a third gap is provided between the outer side of the filter body and the first sub-cylinder section, and the third gap communicates with the second gap, The inner side of the filter body communicates with the water outlet channel. A third gap is provided between the outer side of the cylindrical filter body and the first sub-cylinder section, so that the filter body can further improve the orderliness of the water flow in the filter assembly through the third gap while realizing the filtering function, and more To ensure that the water body is first in first out, and further improve the quality of the output water body.

In one embodiment, the third cylinder is connected to the end surface of the first cylinder, and an opening is provided on the third cylinder, and the opening extends along the axial direction of the third cylinder. ; The inner side of the third cylinder is provided with a first vertical plate, and the first vertical plate is extended along the axial direction of the third cylinder. The opening and the first vertical plate extending along the axial direction of the third cylinder provide the water body flowing into the third cylinder in the axial direction, that is, the opening can improve the flow of the water body in the third cylinder. At the same time, it can cooperate with the first vertical plate to ensure the orderliness of water flow.

In one embodiment, the second cylinder is accommodated in the first cylinder, and a first gap is provided between the end of the second sub-cylinder section and the end of the first cylinder, One end of the first gap communicates with the spiral channel, and the other end of the first gap communicates with the second gap. The first gap provided between the end of the second sub-cylinder section and the end of the first cylinder makes the channel structure of the filter assembly for orderly water flow more compact, which is more conducive to the miniaturization of the filter assembly.

In one embodiment, a second vertical plate is provided on the end face of the first cylindrical body facing the second sub-cylinder section, and one side of the second vertical plate is in contact with the inner surface of the first cylindrical body. The wall is connected, and the other side of the second vertical plate is connected with the third cylinder. The second vertical plate on the end face of the first cylinder can guide the fluid at the turning point of the flow channel in the circumferential direction, so as to avoid the backflow of the water body caused by too sharp turning.

In one embodiment, a circumferential angle is provided between the opening and the second vertical plate. A circumferential angle is provided between the opening and the second vertical plate, so that the fluid guided in the circumferential direction can pass through more smoothly, further improving the orderly flow of the water body.

In one embodiment, at least two openings are provided on the third cylinder, and at least two second vertical plates are provided between two adjacent openings in the circumferential direction. At least two second vertical plates are arranged between two adjacent openings in the circumferential direction, which can better prevent the backflow of the water body caused by too sharp turning.

The present application also proposes a water purification system, including the above filter assembly.

The present application also proposes a refrigerator, including the above-mentioned water purification system, and the refrigeration system is used to reduce the temperature of the water body in the filter assembly. This form of refrigerator can better ensure that the water body that enters through the water inlet channel can be cooled first through the spiral channel, and can better prevent the uncooled water body from flowing out first, so that the temperature of the outflowing water body is closer to the preset target value.

Beneficial effect

The technical solution of the present application sets the filter assembly to include a water inlet channel, a water outlet channel, a first cylinder and a second cylinder, the second cylinder is at least partially accommodated in the first cylinder; the second cylinder is provided with a filter body , the water inlet channel, the filter body, and the water outlet channel are connected in sequence; a spiral channel is provided between the outer wall of the second cylinder and the inner wall of the first cylinder, and the water inlet includes a spiral channel; the water body to be filtered by the filter assembly In the spiral channel, it can be dredged by the spiral channel, reducing the possibility that the water body that enters first is surpassed by the water body that enters later in the flow direction, improves the orderliness of the water body treated by the filter module, and is conducive to realizing the first-in-first-out of the water body, avoiding The first input water stays for a long time before being filtered and output, which improves the quality of the water output by the filter element assembly.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to the structures shown in these drawings without creative effort.

Fig. 1 is a front view of an embodiment of the filter assembly of the present application.

FIG. 2 is a partial enlarged view of A in FIG. 1 .

Fig. 3 is a cross-sectional view at position B-B in Fig. 1 (hiding the second cylinder).

Explanation of reference numbers:

label name label name 1 first cylinder 11 second riser 2 second cylinder twenty one The first sub-cylinder section twenty two Second sub-cylinder section twenty three Filter 3 third cylinder 31 to open 32 first riser 4 spiral channel 51 first gap 52 second gap 53 third gap the the

The realization, functional features and advantages of the present application will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Embodiments of the present invention

The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

It should be noted that if there is a directional indication (such as up, down, left, right, front, back...) in the embodiment of the present application, the directional indication is only used to explain the relationship between the components in a certain posture. If the specific posture changes, the directional indication will also change accordingly.

In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present application, the descriptions of "first", "second", etc. are only for descriptive purposes, and cannot be interpreted as indications or hints Its relative importance or implicitly indicates the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, if "and/or" or "and/or" appears throughout the text, its meaning includes three parallel plans, taking "A and/or B" as an example, including plan A, or plan B, or A and B is a solution that is satisfied at the same time. In addition, the technical solutions of the various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist , nor within the scope of protection required by the present application.

After research, the applicant found that even if more advanced filter materials are replaced, the quality of the water output by the water purification system still needs to be improved. The water body exceeds, causing some water bodies to stay in the water purification system for a long time. When this part of the water body stays for a long time when it is output, the quality of the output water body is reduced, and the taste of drinking is reduced.

Therefore, in order to solve the problem of improving the quality of the output water body, the present application proposes a filter assembly. Referring to Figure 1, in an embodiment of the present application, the filter assembly includes a water inlet channel and an outlet channel, and the filter assembly also includes a first cylinder 1 and a second cylinder 2, wherein the first cylinder 1 and the second cylinder 2 coaxial settings. The second cylinder 2 is at least partly housed in the first cylinder 1; the second cylinder 2 is provided with a filter body 23, and the water inlet channel, the filter body 23, and the water outlet channel are connected in sequence. In this embodiment, the water inlet channel is shown in the figure 1, the water outlet channel is shown by the solid line arrow in Figure 1; a spiral channel 4 is provided between the outer wall surface of the second cylinder 2 and the inner wall surface of the first cylinder 1, and the water inlet channel includes The spiral channel 4, the spiral channel 4 can be arranged to be surrounded by a spiral plate or formed by helically winding a pipe. The water body to be filtered by the filter assembly can be channeled by the spiral channel 4 in the spiral channel 4, reducing the possibility that the water body that enters first is surpassed by the water body that enters later, and improves the orderliness of the water body treated by the filter assembly , which is conducive to realizing the first-in-first-out of the water body, avoiding the first-input water body to stay for a long time before being filtered and output, and improving the quality of the water body output by the filter element assembly.

As an optional embodiment, the second cylinder body 2 includes a first sub-cylinder section 21 and a second sub-cylinder section 22, which are the upper section and the lower section shown in FIG. 1 respectively. The filter body 23 is accommodated in the first sub-cylinder section 21 . The second sub-cylinder section 22 is provided with a third cylinder 3, the third cylinder 3 is coaxially arranged with the second sub-cylinder section 22, and the outer wall surface of the third cylinder 3 is connected to the second sub-cylinder section 22. A second gap 52 is provided between the inner walls, one end of the second gap 52 communicates with the spiral channel 4 , and the other end of the second gap 52 communicates with the filter body 23 . A second gap 52 is provided between the outer wall surface of the third cylinder body 3 and the inner wall surface of the second sub-cylinder body section 22, and the filter body 23 is not provided in the axial direction through the third cylinder body 3 and the second gap 52. The orderliness of the water flow in the space can better ensure the first-in-first-out of the water, and further improve the quality of the output water.

As an optional embodiment, the filter body 23 is cylindrical, and a third gap 53 is provided between the outside of the filter body 23 and the first sub-cylinder section 21, and the third gap 53 communicates with the second gap 52. The filter body 23 The inner side of the filter body communicates with the water outlet channel, that is, the water body enters from the outer side of the cylindrical filter body 23, and is output from the inner side after being filtered. A third gap 53 is provided between the outer side of the cylindrical filter body 23 and the first sub-cylinder section 21, so that the filter body 23 can further improve the flow of water in the filter assembly through the third gap 53 while realizing the filtering function. Orderly, to better ensure the first-in-first-out of the water body, and further improve the quality of the output water body.

As an optional embodiment, the third cylinder 3 is connected to the end surface of the first cylinder 1 (the lower end surface as shown in Figure 1), and the third cylinder 3 is provided with an opening 31, and the opening 31 is along the third cylinder 3 is extended in the axial direction, that is, the opening 31 is in the shape of a slit extending in the axial direction as a whole; Axially extending, that is, the first vertical plate 32 is in the shape of a strip extending along the axial direction as a whole. Both the opening 31 and the first vertical plate 32 extending along the axial direction of the third cylinder body 3 provide the water body flowing into the inner side of the third cylinder body 3 with a diversion effect along the axial direction, that is, the opening 31 improves the water body While improving the passing efficiency at the third cylinder body 3, it can cooperate with the first vertical plate 32 to ensure the orderliness of water flow.

As an optional embodiment, as shown in Figures 1 and 3, the second cylinder 2 is accommodated in the first cylinder 1, and the end of the second sub-cylinder section 22 (the lower end as shown in Figure 1) and A first gap 51 is provided between the ends of the first cylinder 1 (the lower end as shown in FIG. connected. The first gap 51 provided between the end of the second sub-cylinder section 22 and the end of the first cylinder 1 makes the channel structure of the filter assembly for the orderly flow of the water body more compact, which is more conducive to the filter assembly. miniaturization.

As an optional embodiment, a second vertical plate 11 is provided on the end surface of the first cylindrical body 1 facing the second sub-cylinder section 22 (the lower end surface shown in FIG. 1 ), and one side of the second vertical plate 11 is It is connected with the inner wall surface of the first cylinder 1, and the other side of the second vertical plate 11 is connected with the third cylinder 3, that is, the second vertical plate 11 extends radially as a whole. The second vertical plate 11 on the end surface of the first cylinder body 1 can guide the fluid at the corner of the flow channel in the circumferential direction, so as to avoid the backflow of the water body caused by too sharp turning.

As an optional implementation manner, a circumferential angle is provided between the opening 31 and the second vertical plate 11 , that is, the opening 31 and the second vertical plate 11 are staggered along the circumferential direction. A circumferential angle is provided between the opening 31 and the second vertical plate 11 , so that the fluid guided in the circumferential direction can pass through more smoothly, further improving the orderly flow of the water body.

As an optional embodiment, as shown in FIG. 3 , at least two openings 31 are provided on the third cylinder 3 , and at least two second vertical plates 11 are provided between two circumferentially adjacent openings 31 . At least two second vertical plates 11 are arranged between two adjacent openings 31 in the circumferential direction, which can better prevent the backflow of water caused by too sharp turning.

The present application also proposes a water purification system, the water intake system includes the above filter assembly. The specific structure of the filter assembly refers to the above-mentioned embodiments. Since this water purification system adopts all the technical solutions of all the above-mentioned embodiments, it has at least all the functions brought by the technical solutions of the above-mentioned embodiments, and will not repeat them here. .

The present application also proposes a refrigerator, which includes a refrigeration system and the above-mentioned water purification system, and the refrigeration system is used to reduce the temperature of the water body in the filter assembly. This form of refrigerator can better ensure that the water body that enters through the water inlet channel can be cooled first through the spiral channel, and can better prevent the uncooled water body from flowing out first, so that the temperature of the outflowing water body is closer to the preset target value. For the specific structure of the water purification system, refer to the above-mentioned embodiments. Since this refrigerator adopts all the technical solutions of the above-mentioned embodiments, it at least has all the functions brought by the technical solutions of the above-mentioned embodiments, and will not repeat them here.

The above is only an optional embodiment of the application, and does not limit the patent scope of the application. Under the concept of the application, the equivalent structure transformation made by using the description of the application and the contents of the accompanying drawings, or direct/indirect use All other relevant technical fields are included in the patent protection scope of the present application.

Claims (10)

A filter assembly comprising: water inlet channel; outlet channel; the first cylinder; and a second cylinder at least partially housed within said first cylinder; A filter body is provided in the second cylinder, and the water inlet channel, the filter body, and the water outlet channel are connected in sequence; A spiral channel is provided between the outer wall of the second cylinder and the inner wall of the first cylinder, and the water inlet channel includes the spiral channel. The filter assembly according to claim 1, wherein the second cylinder comprises a first sub-cylinder section and a second sub-cylinder section, and the filter body is accommodated in the first sub-cylinder section; The second sub-cylinder section is provided with a third cylinder body, and a second gap is provided between the outer wall surface of the third cylinder body and the inner wall surface of the second sub-cylinder body section. One end communicates with the spiral channel, and the other end of the second gap communicates with the filter body. The filter assembly according to claim 2, wherein the filter body is cylindrical, and a third gap is provided between the outer side of the filter body and the first sub-cylinder section, and the third gap is connected to the first sub-cylinder section. The second gap is connected, and the inner side of the filter body is connected with the water outlet channel. The filter assembly according to claim 2, wherein the third cylindrical body is connected to the end surface of the first cylindrical body, an opening is provided on the third cylindrical body, and the opening is arranged along the third cylindrical body. The axial direction of the third cylinder is extended; the inner side of the third cylinder is provided with a first vertical plate, and the first vertical plate is extended along the axial direction of the third cylinder. The filter assembly according to claim 4, wherein said second cylinder is accommodated in said first cylinder, between the end of said second sub-cylinder section and the end of said first cylinder A first gap is provided, one end of the first gap communicates with the spiral channel, and the other end of the first gap communicates with the second gap. The filter assembly according to claim 5, wherein a second vertical plate is provided on the end face of the first cylindrical body facing the second sub-cylinder section, and one side of the second vertical plate is connected to the The inner wall of the first cylinder is connected, and the other side of the second vertical plate is connected with the third cylinder. The filter assembly according to claim 6, wherein a circumferential angle is formed between the opening and the second vertical plate. The filter assembly according to claim 7, wherein at least two of the openings are provided on the third cylindrical body, and at least two of the second vertical plates are provided between two adjacent openings in the circumferential direction . A water purification system comprising the filter assembly according to any one of claims 1-8. A refrigerator, comprising a refrigeration system and the water purification system according to claim 9, the refrigeration system is used to reduce the temperature of the water body in the filter assembly