Filter element assembly and water treatment device

Abstract

The utility model discloses a filter element assembly and a water treatment device filter element assembly. The filter element assembly comprises a shell (4), a first filter element (1), a second filter element (2) and a water pipe (5), the shell (4) is provided with a containing cavity (41), the inner cavity wall of the containing cavity (41) of the shell (4) extends to form a partition plate (46), and the partition plate (46) divides the containing cavity (41) into a first cavity (411) and a second cavity (412); a second water inlet channel (51) of the water pipe (5) penetrates through the partition plate (46) and is in fluid communication with the water inlet end of the second filter element (2), and a second water outlet channel (52) penetrates through the partition plate (46) and is in fluid communication with the water outlet end of the second filter element (2). The utility model has the advantages of longer service life and fewer installation procedures.

Description

Technical Field

[0001] The utility model relates to the technical field of water treatment devices, in particular to a filter element component and a water treatment device. Background Art

[0002] The filter element is an important component of the water treatment device, which is used to filter and remove impurities from the water flow.

[0003] For example, the Chinese invention patent with application number CN201610006417.8 (publication number CN105498337B) discloses "Filter Element, Filter Device and Water Purifier", in which the filter element includes a shell, in which a first filter area and a second filter area spaced apart from each other are formed, and the first filter area and the second filter area are arranged along the axial direction of the shell; a first partition is axially arranged in the shell, and the first partition has a first section and a second section arranged along the axial direction, the first section is formed as a groove structure for accommodating the second filter area, and the side wall of the groove structure is used to fit with the side wall of the shell, one end of the second section is connected to the bottom wall of the groove structure, and the other end is sealed and installed on the end wall of the connecting end and formed into a tubular structure, wherein the outer wall of the tubular structure and the inner wall of the shell are used to accommodate the first filter area, and the tubular structure is used to accommodate the water outlet pipe to form an annular guide channel.

[0004] The above patent uses an independent first partition to separate the shell into a first filter area and a second filter area. A portion of the first partition extends into the second filter area and is located in the water flow channel between the inner wall of the shell and the outer periphery of the second filter element. In this way, this portion of the first partition needs to withstand water pressure and is made of plastic material and is easily damaged, thereby affecting the service life of the entire filtering device.

[0005] In addition, the first partition needs to be installed in the housing, which requires many installation steps. Utility Model Content

[0006] The first technical problem to be solved by the utility model is to provide a filter element component with a longer service life and fewer installation processes in view of the current status of the prior art.

[0007] The second technical problem to be solved by the utility model is to provide a water treatment device.

[0008] The utility model adopts the following technical solution to solve the above-mentioned first technical problem: a filter element assembly, comprising

[0009] The housing has a first chamber, a second chamber spaced apart from the first chamber, and also has a first water inlet, a first water outlet, a second water inlet, and a second water outlet spaced apart from each other;

[0010] A first filter element is disposed in the first chamber, a water inlet end of the first filter element is in fluid communication with the first water inlet, and a water outlet end of the first filter element is in fluid communication with the first water outlet;

[0011] A second filter element is disposed in the second chamber;

[0012] A water pipe is arranged in the first filter element, and has a second water inlet channel and a second water outlet channel which are independent of each other, wherein the second water inlet channel is fluidly connected with the second water inlet and the water inlet end of the second filter element, and the second water outlet channel is fluidly connected with the second water outlet and the water outlet end of the second filter element;

[0013] Features:

[0014] The shell has a containing cavity, and a partition is extended from the inner cavity wall of the containing cavity of the shell to form a partition, and the partition divides the containing cavity into the first cavity and the second cavity;

[0015] The second water inlet channel of the water pipe passes through the partition plate and is fluidically connected with the water inlet end of the second filter element, and the second water outlet channel passes through the partition plate and is fluidically connected with the water outlet end of the second filter element.

[0016] In order to install the water pipe, the middle part of the partition has a mounting hole that penetrates the wall thickness, and a first mounting seat is installed at the mounting hole. The first mounting seat is connected to the outer wall of the water pipe, and the first mounting seat has a cavity that is fluidly connected to the water inlet end of the second filter element and the second water inlet channel respectively. The first mounting seat is provided to facilitate the installation of the water pipe.

[0017] In order to install the water pipe, a second mounting seat partially located in the cavity of the first mounting seat is arranged in the second chamber, the second mounting seat is connected to the pipe wall of the second water outlet channel, and the second mounting seat has through holes respectively connected to the water outlet end of the second filter element and the second water outlet channel. The second mounting seat is arranged to facilitate the installation of the water pipe.

[0018] The shape of the shell is specifically that the shell extends in the axial direction, the first chamber and the second chamber are spaced apart and distributed in the axial direction of the shell, and the partition extends in the radial direction of the shell.

[0019] In order to facilitate water flow, the extension direction of the water pipe is consistent with the extension direction of the shell;

[0020] The extension direction of the second water inlet channel and the second water outlet channel is consistent with the extension direction of the water pipe.

[0021] In this way, it is convenient for water to flow through the second water inlet channel and the second water outlet channel.

[0022] In order to fully utilize the space between the first filter element and the outer wall of the water pipe, a first water outlet channel is formed between the outer wall of the water pipe and the water outlet end of the first filter element, and the first water outlet channel is fluidically connected to the water outlet end of the first filter element and the first water outlet, respectively. In this way, the space between the first filter element and the outer wall of the water pipe can be fully utilized.

[0023] In order to make full use of the space, the first filter element is cylindrical, and the water pipe is located in the space surrounded by the first filter element.

[0024] In order to further enhance the filtering effect, the second filter element is cylindrical;

[0025] The second chamber is also provided with a third filter element located in the space enclosed by the second filter element, the water inlet end of the third filter element is fluidly connected with the water outlet end of the second filter element, and the water outlet end of the third filter element is fluidly connected with the second water outlet channel of the water pipe. The third filter element is provided to further enhance the filtering effect.

[0026] In order to facilitate access to water inlet and outlet pipes, the first water inlet, the first water outlet, the second water inlet and the second water outlet are all located on the side of the first chamber away from the partition. In this way, the four openings are located on the same side, which is convenient for access to corresponding pipes.

[0027] The utility model adopts the technical solution to solve the second technical problem as follows: a water treatment device, characterized in that: the filter element assembly as described above is adopted.

[0028] Compared with the prior art, the utility model has the advantages that: the housing has a partition extending from the inner cavity wall of the housing accommodating cavity, the partition partitions the accommodating cavity into a first cavity and a second cavity, the housing and the second filter element bear the water pressure in the second cavity, there is no easily damaged plastic part between the housing and the second filter element, so that the service life of the entire filter element assembly is long;

[0029] In addition, the partition plate and the shell are an integrated part, and there is no need to install the partition plate, so the installation process is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a three-dimensional schematic diagram of an embodiment of the utility model;

[0031] Figure 2 for Figure 1 Cross-sectional view along AA direction;

[0032] Figure 3 for Figure 2 Schematic diagram after removing the first filter element, the second filter element, and the third filter element;

[0033] Figure 4 for Figure 3 A magnified schematic diagram of the local A in the middle;

[0034] Figure 5 for Figure 2 Schematic diagram of the direction of water flow through the first filter element (the arrow indicates the direction of water flow through the first filter element);

[0035] Figure 6 for Figure 2 Schematic diagram of the direction of water flow through the second filter element and the third filter element (the arrow indicates the direction of water flow through the second filter element and the third filter element). DETAILED DESCRIPTION

[0036] The present invention is further described in detail below with reference to the accompanying drawings.

[0037] See also Figure 1 to Figure 6 , which is a preferred embodiment of the utility model. The filter element assembly includes a housing 4, a first filter element 1, a second filter element 2, a water pipe 5, a first mounting seat 6, a second mounting seat 7 and other main components.

[0038] The shell 4 has a first chamber 411, a second chamber 412 spaced apart from the first chamber 411, and also has a first water inlet 42, a first water outlet 43, a second water inlet 44, and a second water outlet 45 spaced apart; the shell 4 has a receiving chamber 41, and a partition 46 extending from the inner chamber wall of the receiving chamber 41 of the shell 4, and the partition 46 partitions the receiving chamber 41 into the first chamber 411 and the second chamber 412. Specifically, the shell 4 extends in the axial direction, the first chamber 411 and the second chamber 412 are spaced apart in the axial direction of the shell 4, and the partition 46 extends in the radial direction of the shell 4.

[0039] The first filter element 1 is disposed in the first chamber 411, the water inlet end of the first filter element 1 is in fluid communication with the first water inlet 42, and the water outlet end of the first filter element 1 is in fluid communication with the first water outlet 43. The first filter element 1 is cylindrical, specifically made of activated carbon, carbon fiber, PP cotton and other materials, and is mainly used to improve the taste of water.

[0040] The second filter element 2 is disposed in the second chamber 412, the water inlet end of the second filter element 2 is fluidly connected to the second water inlet 44, and the water outlet end of the second filter element 2 is fluidly connected to the second water outlet 45. The second filter element 2 is cylindrical, and is specifically made of activated carbon, carbon fiber, or PP cotton. Along the flow direction of the water flow, the first filter element 1 is located upstream of the second filter element 2, so that the water flow is filtered by the first and second filter elements and the filtering effect is better.

[0041] The water pipe 5 is arranged in the first filter element 1, specifically in the space surrounded by the cylindrical first filter element 1, and a first water outlet channel 443 is formed between the outer wall of the water pipe 5 and the water outlet end of the first filter element 1, and the first water outlet channel 443 is fluidly connected with the water outlet end of the first filter element 1 and the first water outlet 43 respectively; the water pipe 5 has a second water inlet channel 51 and a second water outlet channel 52 which are independent of each other and spaced apart, and the second water inlet channel 51 is fluidly connected with the second water inlet 44 and the water inlet end of the second filter element 2 respectively, and the second water outlet channel 52 is fluidly connected with the second water outlet 45 and the water outlet end of the second filter element 2 respectively; the second water inlet channel 51 of the water pipe 5 passes through the partition 46 and is fluidly connected with the water inlet end of the second filter element 2, and the second water outlet channel 52 passes through the partition 46 and is fluidly connected with the water outlet end of the second filter element 2. The extension direction of the water pipe 5 is consistent with the extension direction of the housing 4. The extension direction of the second water inlet channel 51 and the second water outlet channel 52 is consistent with the extension direction of the water pipe 5 .

[0042] The middle of the partition 46 has a mounting hole that penetrates the wall thickness, and the first mounting seat 6 is installed at the mounting hole. The first mounting seat 6 is connected to the outer wall of the water pipe 5, and the first mounting seat 6 has a cavity 61 that is fluidly connected to the water inlet end of the second filter element 2 and the second water inlet channel 51 respectively. The first mounting seat 6 is also used to install the first filter element 1. The partition 46 directly serves as a part of the cavity wall of the second chamber 412, and does not occupy the space inside the second chamber 412, which is conducive to the flow of water in the second chamber 412.

[0043] The second chamber 412 is provided with a second mounting seat 7 partially located in the cavity 61 of the first mounting seat 6, the second mounting seat 7 is connected to the pipe wall of the second water outlet channel 52, and the second mounting seat 7 has a through hole 71 which is fluidly connected to the water outlet end of the second filter element 2 and the second water outlet channel 52 respectively. The second mounting seat 7 is also used to mount the second filter element 2 and the third filter element 3.

[0044] The third filter element 3 is disposed in the second chamber 412, specifically in the space surrounded by the second filter element 2, the water inlet end of the third filter element 3 is in fluid communication with the water outlet end of the second filter element 2, and the water outlet end of the third filter element 3 is in fluid communication with the second water outlet channel 52 of the water pipe 5. The third filter element 3 uses an ultrafiltration module for filtering bacteria, activated carbon powder, and the like.

[0045] The first water inlet 42 , the first water outlet 43 , the second water inlet 44 , and the second water outlet 45 are all located at a side of the first chamber 411 away from the partition 46 .

[0046] The utility model also provides a water treatment device, which adopts the filter element assembly as described above. The water treatment device is, for example, a water purifier.

[0047] Here's how it works.

[0048] The water flow in the housing 1 is divided into two paths.

[0049] The first water flow flows in through the first water inlet 42, is filtered by the first filter element 1, enters the first water outlet channel 443, and then flows out through the first water outlet 43;

[0050] After the second water flow flows in through the second water inlet 44, it enters the second water inlet channel 51 of the water pipe 5, and then enters the water inlet end of the second filter element 2 through the cavity 61 of the first mounting seat 6. After being filtered by the second filter element 2 and the third filter element 3 in turn, it enters the second water outlet channel 52 of the water pipe 5 through the through hole 71 of the second mounting seat 7, and is finally discharged from the second water outlet 45.

Claims

1. A filter element assembly, comprising The housing (4) comprises a first chamber (411), a second chamber (412) spaced apart from the first chamber (411), and further comprises a first water inlet (42), a first water outlet (43), a second water inlet (44), and a second water outlet (45) spaced apart from each other; A first filter element (1) is arranged in the first chamber (411), the water inlet end of the first filter element (1) is in fluid communication with the first water inlet (42), and the water outlet end of the first filter element (1) is in fluid communication with the first water outlet (43); A second filter element (2) is disposed in the second chamber (412); A water pipe (5) is arranged in the first filter element (1), the water pipe (5) having a second water inlet channel (51) and a second water outlet channel (52) which are independent of each other, the second water inlet channel (51) being in fluid communication with the second water inlet (44) and the water inlet end of the second filter element (2), respectively, and the second water outlet channel (52) being in fluid communication with the second water outlet (45) and the water outlet end of the second filter element (2), respectively; Features: The shell (4) has a containing cavity (41), and a partition (46) is extended from the inner cavity wall of the containing cavity (41) of the shell (4), and the partition (46) divides the containing cavity (41) into the first cavity (411) and the second cavity (412); The second water inlet channel (51) of the water pipe (5) passes through the partition (46) and is fluidically connected to the water inlet end of the second filter element (2), and the second water outlet channel (52) passes through the partition (46) and is fluidically connected to the water outlet end of the second filter element (2).

2. The filter element assembly according to claim 1, characterized in that: The partition (46) has a mounting hole penetrating the wall thickness in the middle, and a first mounting seat (6) is mounted at the mounting hole. The first mounting seat (6) is connected to the outer wall of the water pipe (5), and the first mounting seat (6) has a cavity (61) which is fluidically connected to the water inlet end of the second filter element (2) and the second water inlet channel (51), respectively.

3. The filter element assembly according to claim 2, characterized in that: A second mounting seat (7) partially located in the cavity (61) of the first mounting seat (6) is arranged in the second chamber (412); the second mounting seat (7) is connected to the pipe wall of the second water outlet channel (52), and the second mounting seat (7) has a through hole (71) which is fluidically connected to the water outlet end of the second filter element (2) and the second water outlet channel (52), respectively.

4. The filter element assembly according to claim 1, characterized in that: The shell (4) extends axially, the first chamber (411) and the second chamber (412) are spaced apart and distributed along the axial direction of the shell (4), and the partition plate (46) extends radially along the shell (4).

5. The filter element assembly according to claim 1, characterized in that: The extension direction of the water pipe (5) is consistent with the extension direction of the shell (4); the extension directions of the second water inlet channel (51) and the second water outlet channel (52) are both consistent with the extension direction of the water pipe (5).

6. The filter element assembly according to claim 1, characterized in that: A first water outlet channel (443) is formed between the outer wall of the water pipe (5) and the water outlet end of the first filter element (1), and the first water outlet channel (443) is fluidically connected to the water outlet end of the first filter element (1) and the first water outlet (43), respectively.

7. The filter element assembly according to claim 1, characterized in that: The first filter element (1) is cylindrical, and the water pipe (5) is located in the space surrounded by the first filter element (1).

8. The filter element assembly according to claim 1, characterized in that: The second filter element (2) is cylindrical; The second chamber (412) is also provided with a third filter element (3) located in the space enclosed by the second filter element (2); the water inlet end of the third filter element (3) is fluidically connected to the water outlet end of the second filter element (2); and the water outlet end of the third filter element (3) is fluidically connected to the second water outlet channel (52) of the water pipe (5).

9. The filter element assembly according to claim 1, characterized in that: The first water inlet (42), the first water outlet (43), the second water inlet (44), and the second water outlet (45) are all located on a side of the first chamber (411) away from the partition (46).

10. A water treatment device, characterized in that: A filter element assembly as described in any one of claims 1 to 9 is used.

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