Filter element, filter element locking assembly and water purifier

Abstract

The utility model relates to a filter element, a filter element locking assembly and a water purifier, and belongs to the field of household appliances. A filter element comprises: a filter element body, the filter element body is used to filter liquid; a water channel joint, the water channel joint is arranged on the filter element body; a base, the base is arranged on the filter element body, the base and the water channel joint are located at both ends of the filter element body; a first positioning assembly, the first positioning assembly is arranged on the water channel joint; a second positioning assembly, the second positioning assembly is arranged on the base. The present application discloses a filter element, which is used to lock with a first locking assembly by a first positioning assembly, and is used to lock with a second locking assembly by a second positioning assembly. This arrangement may make the installation and disassembly process of the filter element simpler, and the user can easily complete the relevant operations. By arranging the base and the water channel joint at both ends of the filter element body, it is ensured that the pressure at the water channel joint is more balanced.

Description

Technical Field

[0001] The utility model relates to the field of household appliances, in particular to a filter element, a filter element locking component and a water purifier. Background Art

[0002] As a common household appliance, water purifiers are widely used to provide clean and safe drinking water. The core component of a water purifier is the filter element, which can be easily installed on the water purifier and easily removed for replacement to ensure continuous and efficient filtering effects. However, it is worth noting that after the filter element is replaced, when the filter element is locked on the water purifier, the locking position may be damaged due to uneven external forces. Utility Model Content

[0003] Based on this, it is necessary to provide a filter element, a filter element locking assembly and a water purifier to address the problem that the filter element is easily damaged.

[0004] A filter element, the filter element comprising: a filter element body, the filter element body is used to filter liquid; a water channel joint, the water channel joint is arranged on the filter element body, and a water inlet interface is provided on the water channel joint; a base, the base is arranged on the filter element body, and the base and the water channel joint are located at two ends of the filter element body; a first positioning component, the first positioning component is arranged on the water channel joint, and the first positioning component is used to lock or disengage with a first locking component; a second positioning component, the second positioning component is arranged on the base, and the second positioning component is used to lock or disengage with the second locking component.

[0005] The present application discloses a filter element, which is used to lock with a first locking assembly through a first positioning assembly, and a second positioning assembly is used to lock with a second locking assembly. This arrangement may make the installation and removal process of the filter element simpler, and the user can easily complete the relevant operations. A water inlet interface is provided on the water channel joint, which may be connected to other liquid systems through the water inlet interface. The base is arranged on the filter element body, which may provide additional support and increase the stability of the overall structure of the filter element. By arranging the base and the water channel joint at both ends of the filter element body, the locking and disengagement design of the first positioning assembly and the second positioning assembly may make the filter element body more evenly pressurized, ensure that the pressure at the water channel joint is more balanced, avoid deformation of the product due to single-end pressure, and lock the two ends to ensure stability after locking. At the same time, easy maintenance helps to extend the service life of the filter element and improve the overall economy.

[0006] In one embodiment, the waterway joint includes a support column and a joint body, the support column is arranged on the filter element body, the joint body is arranged on the support column, the joint body is provided with a water inlet interface, the extension direction of the water inlet interface intersects with the extension direction of the support column, and the first positioning assembly is arranged on the joint body. By arranging the support column on the filter element body, a stable support for the joint body can be provided. This helps to maintain the vertical position of the joint body relative to the filter element body and provides a basis for subsequent positioning. The extension direction of the water inlet interface intersects with the extension direction of the support column, which can make the locking position of both ends more stable. The first positioning assembly is arranged on the joint body and may work in conjunction with the first locking assembly to achieve reliable positioning of the joint body. This helps to ensure the accurate positioning of the waterway joint and improves the overall stability of the filter element. The relative layout of the support column and the joint body may realize that the two positionings are in the extension direction of the filter element body, and the assembly is more stable and reliable.

[0007] In one embodiment, the first positioning assembly includes a first positioning member and a second positioning member, and the number of the first positioning member and the number of the second positioning member are both multiple, and the multiple first positioning members and the multiple second positioning members are all arranged on the water channel joint and are respectively located on both sides of the water channel joint. By arranging multiple first positioning members and multiple second positioning members on the water channel joint, multi-point positioning of the water channel joint may be achieved. This helps to improve the stability of the entire filter element and reduces the possibility of shaking or loosening of the filter element body during use. The first positioning member and the second positioning member are both arranged on both sides of the water channel joint, so that the positioning points are evenly distributed on the water channel joint, which helps to balance the positioning force and further improve the positioning effect of the water channel joint. Due to the multiple first positioning members and the second positioning members, more contact points are provided during positioning, thereby increasing the reliability of positioning. This helps to ensure the close fit between the water channel joint and the first locking assembly, and improves the overall stability of the filter element.

[0008] In one embodiment, the base is provided with a limiting groove, and the second positioning component is located at the notch of the limiting groove. By providing the limiting groove on the base, a stable positioning area is provided for the second positioning component. The second positioning component is located at the notch of the limiting groove, which may ensure the accuracy and stability of positioning, thereby improving the reliability of the installation of the entire filter element.

[0009] In one embodiment, the second positioning assembly includes a third positioning member and a fourth positioning member, and the number of the third positioning member and the number of the fourth positioning member are both multiple, a gap is provided between adjacent third positioning members, a gap is provided between adjacent fourth positioning members, and multiple third positioning members and multiple fourth positioning members are located on opposite sides of the groove wall of the limiting groove. By providing multiple third positioning members and multiple fourth positioning members, multi-point positioning of the waterway joint is achieved. The gaps between adjacent third positioning members and between adjacent fourth positioning members can provide space for staggered use, increase the accuracy of positioning, and improve the accuracy of installation of the entire filter element. Multiple third positioning members and multiple fourth positioning members are located on opposite sides of the groove wall of the limiting groove, which can provide evenly distributed positioning support on both sides of the waterway joint, thereby improving the applicability and flexibility of the product.

[0010] In one embodiment, the water channel joint includes a support column and a joint body, the support column is arranged on the filter element body, the joint body is arranged on the support column, the support column is provided with a first annular groove, a second annular groove, a third annular groove and a water outlet channel, the second annular groove is located on the inner side of the first annular groove, the third annular groove is located on the inner side of the second annular groove, the water outlet channel is located on the inner side of the third annular groove, the joint body is provided with a water inlet interface, the water inlet interface includes a first water inlet, a first water outlet, a second water inlet, and a second water outlet, the first water inlet is connected to the first annular groove, and the first water outlet is connected to the second annular groove The second water inlet is connected to the third annular groove, and the second water outlet is connected to the water outlet channel. The filter element body includes a filter element housing, a filter assembly, a first filter layer and a second filter layer. The filter element body is provided with a filter cavity. The first filter layer is arranged on the filter element housing and is located in the filter cavity. The filter assembly is arranged on the first filter layer. The second filter layer is arranged on the filter assembly and is located in the filter assembly. The first water inlet, the filter cavity, the first filter layer, the filter assembly and the first water outlet are connected in sequence. The second water inlet, the filter assembly, the second filter layer and the second water outlet are connected in sequence. The first water inlet, the first water outlet, the second water inlet and the second water outlet are provided through the waterway joint, as well as the corresponding annular groove and the water outlet channel. This design allows the liquid to flow through different channels, ensuring the uniform distribution and sufficient filtration of the liquid in the filter element. The filter element body includes a filter element housing, a filter assembly, a first filter layer and a second filter layer. By providing multiple channels and filter layers, the filter element can effectively filter out impurities and particles in the liquid, thereby improving the filtration efficiency.

[0011] In one embodiment, the filter assembly includes a first filter cartridge shell, a second filter cartridge shell and a water outlet shell, the first filter cartridge shell is arranged on the first filter layer, and a liquid gap is formed between the first filter cartridge shell, the first filter layer and the cavity wall of the filter cavity, the first filter cartridge shell is provided with a first filter cartridge water inlet and a first filter cartridge water outlet, the second filter cartridge shell is arranged on the first filter cartridge shell and is located in the first filter cartridge shell, a part of the second filter cartridge shell extends to the first filter cartridge water outlet, the second filter cartridge shell is provided with a second filter cartridge water inlet, a first water passage cavity is formed between the second filter cartridge shell and the first filter cartridge shell, and the second filter layer is provided with a The filter element is disposed on the second filter cartridge housing and is located in the second filter cartridge housing. One side of the water outlet housing is disposed on the second filter layer. The other end of the water outlet housing extends to the second filter cartridge water inlet. The water outlet housing extends to the second filter cartridge water inlet and is provided with a second filter cartridge water outlet. The second filter cartridge water outlet is communicated with the second filter layer. A second water passage cavity is formed between the second filter cartridge housing, the water outlet housing and the second filter layer. The first annular groove is communicated with the liquid passage gap. The second annular groove is communicated with the first water passage cavity. The third annular groove is communicated with the second water passage cavity. The water outlet channel is communicated with the second filter cartridge water outlet. The filter assembly is configured as a first filter cartridge housing, a second filter cartridge housing and a water outlet housing. Then, a layered design is realized by setting the positions of the first filter layer and the second filter layer. This layered design can effectively filter the liquid, so that the liquid is purer after filtering at different levels. A second water passage cavity is formed between the second filter cartridge housing and the water outlet housing, and a first water passage cavity is formed between the second filter cartridge housing and the first filter cartridge housing. This design allows the liquid to flow in different water passage chambers, increasing the efficiency and thoroughness of filtration. The first annular groove is connected to the liquid passage gap, the second annular groove is connected to the first water passage chamber, the third annular groove is connected to the second water passage chamber, and the water outlet channel is connected to the water outlet of the second filter element. The connectivity of these channels ensures that the liquid can smoothly enter the filter element from the water inlet, and then flow out from the water outlet after layered filtration. The entire filtration process is smooth and efficient.

[0012] In one embodiment, the support column includes an outer shell, a first separating ring, a second separating ring and an outlet pipe, wherein the first separating ring, the second separating ring and the outlet pipe are all arranged on the outer shell, the first annular groove is formed between the first separating ring and the outer shell, the second annular groove is formed between the second separating ring and the first separating ring, the third annular groove is formed between the outlet pipe and the second separating ring, and the outlet pipe is provided with the outlet channel. The first separating ring, the second separating ring and the outlet pipe are arranged on the outer shell to form an annular groove structure, namely, the first annular groove, the second annular groove and the third annular groove. This design makes the internal structure of the waterway joint more compact, and at the same time separates different functional areas, which helps to improve the stability and reliability of the waterway assembly. The outlet pipe is provided with an outlet channel, through which the filtered liquid can smoothly flow out from the inside of the filter element, ensuring the normal operation of the entire filtration system. The outer shell, as the main body of the support column, provides a solid support for the entire waterway joint, ensuring its stability and reliability during use.

[0013] The second aspect of the present application discloses a filter element locking assembly, which includes: the above-mentioned filter element; a first locking assembly, the first locking assembly is used to be set on the water purifier housing, and the first locking assembly is locked or disengaged from the first positioning assembly; a second locking assembly, the second locking assembly is used to be set on the water purifier housing, and the second locking assembly is locked or disengaged from the second positioning assembly.

[0014] The second aspect of the present application provides a filter cartridge locking assembly, which ensures the secure locking of the filter cartridge by arranging the first locking assembly on the water purifier housing, possibly through the synergistic effect with the first positioning assembly. This helps to prevent the filter cartridge from falling off or shifting during the use of the water purifier, thereby improving the overall stability of the water purifier. The second locking assembly is arranged on the water purifier housing, and further ensures the accurate positioning of the filter cartridge by locking with the second positioning assembly. This helps to fix the position of the filter cartridge in the water purifier, thereby improving the filtering efficiency and performance of the water purifier. The arrangement of the first locking assembly and the second locking assembly makes it easier to install and remove the filter cartridge. The user can easily achieve quick replacement of the filter cartridge by locking or disengaging these two components, thereby improving the ease of use of the water purifier. By locking both ends of the filter cartridge, the force is more uniform after locking.

[0015] In one embodiment, the first locking assembly includes a first mounting housing, a joint assembly, a first locking plate assembly, a mounting plate and a first reset member, the first mounting housing is used to be arranged on the water purifier housing, the joint assembly is arranged on the first mounting housing, the mounting plate is arranged on the first mounting housing, the first locking plate assembly is movably arranged between the first mounting housing and the mounting plate, and the two ends of the first reset member are respectively against the first locking plate assembly and the first mounting housing. During use, the first mounting housing is arranged on the water purifier housing, providing a stable mounting platform for the entire first locking assembly. This helps to ensure that the locking assembly is firmly fixed in the water purifier and improves the overall stability of the water purifier. The joint assembly is arranged on the first mounting housing, so that the first locking assembly can effectively cooperate with other components. This helps to simplify the connection between the components and improve the overall performance of the locking assembly. The mounting plate is arranged on the first mounting housing, which helps to simplify the installation process of the locking plate assembly and improves the ease of installation of the assembly. The first locking plate assembly is movably arranged between the first mounting housing and the mounting plate, and has a flexible locking mechanism, which helps to ensure that the filter element can be reliably locked during use and improves the filtering effect of the water purifier. The two ends of the first reset member are respectively against the first locking plate assembly and the first mounting housing, providing a reliable reset mechanism. This helps to ensure that the first locking assembly can be quickly reset when the filter element is replaced, reducing the user's operating difficulty and improving the usability of the water purifier.

[0016] In one embodiment, the joint assembly includes a connecting pipe, a first positioning plate, a sealing ring, a valve core and an elastic member. The number of the connecting pipes is multiple, and the multiple connecting pipes are all arranged on the first mounting housing. The first positioning plate is arranged on the multiple connecting pipes. The sealing ring is sleeved on the connecting pipe, and the sealing ring is clamped between the filter element and the connecting pipe. The valve core is located in the connecting pipe, and the valve core can open or close the connecting pipe. The two ends of the elastic member are respectively against the valve core and the first mounting housing. By arranging multiple connecting pipes on the first mounting housing, a multi-point connection between the filter element and the joint assembly is provided. This helps to increase the stability of the connection, ensure the firm installation of the filter element in the water purifier, and at the same time, multiple different water inlet and outlet settings can be realized through multiple connecting pipes to make the function of the filter element more perfect. The sealing ring is sleeved on the connecting pipe and clamped between the filter element and the connecting pipe. This helps to achieve a good sealing effect, prevent water or other liquids from bypassing the filter element, and improve the filtering accuracy and effect of the water purifier. The separate design of the connecting pipe, the first positioning plate and the sealing ring may make these components easy to maintain and replace. Users can easily clean or replace the sealing ring, which prolongs the service life of the joint assembly and improves the maintainability of the water purifier. The valve core can be set to open the connecting pipe when assembling the filter element, and can be blocked to prevent water leakage when the filter element is removed.

[0017] In one embodiment, the first locking plate assembly includes a connecting plate, an upper connecting plate, a lower connecting plate, a fifth positioning member, a sixth positioning member and a limiting member, the two ends of the connecting plate are respectively connected to the upper connecting plate and the lower connecting plate, the fifth positioning member is arranged on the upper connecting plate, the sixth positioning member is arranged on the lower connecting plate, the fifth positioning member and the sixth positioning member can be locked or disengaged from the filter element, the limiting member is arranged on the upper connecting plate and / or the lower connecting plate, the first mounting housing is provided with a limiting notch, the limiting member extends to the limiting notch and can move within the range defined by the limiting notch. The overall structure of the first locking plate assembly is formed by connecting the two ends of the connecting plate with the upper connecting plate and the lower connecting plate respectively. This helps to improve the strength and stability of the locking plate assembly and ensure that it is not easily deformed or damaged during use. The fifth positioning member and the sixth positioning member are arranged on the upper connecting plate and the lower connecting plate and can be locked or disengaged from the filter element. This helps to achieve controllable locking and disengagement of the filter element, which is convenient for users to replace or maintain. The design of the fifth positioning member and the sixth positioning member can be accurately positioned with the filter element. This helps to ensure that the filter element is correctly positioned in the locking plate assembly, thereby improving the filtration efficiency and performance of the water purifier. The setting of the stopper may provide a flexible stop mechanism to ensure that the connecting plate moves within a limited range.

[0018] In one embodiment, the second locking assembly includes a second mounting shell, a second locking plate assembly and a second reset member, the second mounting shell is used to be arranged on the water purifier housing, the locking plate assembly is movably arranged on the second mounting shell, and the two ends of the second reset member are respectively against the locking plate assembly and the second mounting shell. The second mounting shell is used to be arranged on the water purifier housing, and a stable installation foundation for the second locking assembly is provided. This helps to ensure that the locking assembly is firmly fixed in the water purifier and improves the overall stability of the water purifier. The locking plate assembly is movably arranged on the second mounting shell and may have a flexible locking mechanism. This helps to ensure that the filter element can be reliably locked during use and improves the filtering effect of the water purifier. The two ends of the second reset member are respectively against the locking plate assembly and the second mounting shell, which may provide a reliable reset mechanism. This helps to ensure that the second locking assembly can be quickly reset when the filter element is replaced, reducing the difficulty of operation for the user and improving the ease of use of the water purifier.

[0019] In one embodiment, the second locking plate assembly includes a support plate, a second positioning plate, a seventh positioning member and an eighth positioning member, the support plate is movably arranged on the second mounting shell, the second positioning plate is arranged on the support plate, the seventh positioning member and the eighth positioning member are arranged on the second positioning plate to be located on both sides of the second positioning plate, and the seventh positioning member and the eighth positioning member can be locked or disengaged from the second positioning assembly. By movably arranging the support plate on the second mounting shell, a stable support structure of the locking plate assembly is provided. This helps to ensure the firm support of the locking plate assembly in the water purifier and improves the overall stability of the water purifier. The second positioning plate is arranged on the support plate to provide accurate positioning support for the locking plate assembly. The seventh positioning member and the eighth positioning member are arranged on both sides of the second positioning plate and can be locked or disengaged from the second positioning assembly. This helps to achieve controllable positioning of the filter element, which is convenient for users to replace or maintain.

[0020] The third aspect of the present application discloses a water purifier, which includes: the above-mentioned filter element locking assembly, a water purifier housing, the first locking assembly is arranged on the water purifier housing, and the second locking assembly is arranged on the water purifier housing; a driving assembly, the driving assembly is transmission-connected with the first locking assembly and the second locking assembly, and the driving assembly is used to drive the first locking assembly and the second locking assembly to lock or disengage with the filter element.

[0021] The third aspect of the present application provides a water purifier, which is integrated into the water purifier through a filter element locking assembly, including a first locking assembly and a second locking assembly, so that the installation of the water purifier and the replacement of the filter element become easier. The drive assembly is transmission-connected to the first locking assembly and the second locking assembly, so that when the filter element is locked or disengaged, the user only needs to operate one drive assembly to complete it, reducing the operation steps and improving the user experience. The drive assembly is designed to drive the first locking assembly and the second locking assembly, so that the filter element can be easily locked or disengaged. This helps to improve the controllability of the filter element and ensure the accuracy and stability of the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a first stereoscopic view of the filter element;

[0023] Figure 2 is a second stereoscopic view of the filter element;

[0024] Figure 3 is a first exploded view of the filter element assembly;

[0025] Figure 4 is a second exploded view of the filter element assembly;

[0026] Figure 5 is a three-dimensional diagram of a first locking assembly;

[0027] Figure 6 is a first exploded view of a first locking assembly;

[0028] Figure 7 is a second exploded view of the first locking assembly;

[0029] Figure 8 is a three-dimensional diagram of a second locking assembly;

[0030] Fig. 9 is an exploded view of the second locking assembly;

[0031] Fig.10 It is a cross-sectional view of the filter element body and the water channel joint;

[0032] Fig.11 It is a cross-sectional view of the exploded view of the filter element body and the water channel joint;

[0033] Fig.12 This is the first exploded view of the filter element body and the water channel joint;

[0034] Fig.13 This is the second exploded view of the filter element body and the water channel joint;

[0035] Fig.14 is a cross-sectional view of the filter assembly and the second filter layer;

[0036] Fig.15A perspective view of a water connection.

[0037] The corresponding relationship between the reference numerals and the component names is as follows:

[0038] 100 filter elements;

[0039] 1 filter element body, 11 filter element housing, 12 filter assembly, 121 first filter element housing, 122 second filter element housing, 123 water outlet housing, 13 first filter layer, 14 second filter layer, 101 filter chamber, 1201 first filter element water inlet, 1202 first water passage chamber, 1203 first filter element water outlet, 1204 second filter element water inlet, 1205 second water passage chamber, 1206 second filter element water outlet;

[0040] 2 water channel joint, 21 support column, 211 outer shell, 212 first separation ring, 213 second separation ring, 214 water outlet pipe, 22 joint body, 201 water inlet interface, 2011 first water inlet, 2012 first water outlet, 2013 second water inlet, 2014 second water outlet, 2021 first annular groove, 2022 second annular groove, 2023 third annular groove, 2024 water outlet channel;

[0041] 3 base, 301 limiting groove;

[0042] 4 first positioning assembly, 41 first positioning member, 42 second positioning member;

[0043] 5 second positioning component, 51 third positioning member, 52 fourth positioning member, 501 notch,

[0044] 200 first locking assembly, 210 first mounting shell, 2101 limiting notch, 220 joint assembly, 2210 connecting pipe, 2220 first positioning plate, 2230 sealing ring, 230 first locking plate assembly, 2310 connecting plate, 2320 upper connecting plate, 2330 lower connecting plate, 2340 fifth positioning member, 2350 sixth positioning member, 2360 limiting member, 240 mounting plate, 250 first resetting member;

[0045] 300 second locking assembly, 310 second mounting shell, 320 second locking plate assembly, 3210 support plate, 3220 second positioning plate, 3230 seventh positioning member, 3240 eighth positioning member, 330 second reset member. DETAILED DESCRIPTION

[0046] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0047] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0048] The filter element, filter element locking assembly and water purifier described in some embodiments of the utility model are described below with reference to the accompanying drawings.

[0049] Example 1

[0050] like Figures 1 to 15 As shown, this embodiment discloses a filter element, which includes: a filter element body 1, which is used to filter liquid; a water channel connector 2, which is arranged on the filter element body 1, and a water inlet interface 201 is provided on the water channel connector 2; a base 3, which is arranged on the filter element body 1, and the base 3 and the water channel connector 2 are located at both ends of the filter element body 1; a first positioning component 4, which is arranged on the water channel connector 2, and the first positioning component 4 is used to lock or disengage with the first locking component 200; a second positioning component 5, which is arranged on the base 3, and the second positioning component 5 is used to lock or disengage with the second locking component 300.

[0051] The present application discloses a filter element, which is used to lock with the first locking assembly 200 through the first positioning assembly 4, and the second positioning assembly 5 is used to lock with the second locking assembly 300. This arrangement may make the installation and removal process of the filter element simpler, and the user can easily complete the relevant operations. A water inlet interface 201 is provided on the water channel joint 2, which may be connected to other liquid systems through the water inlet interface 201. The base 3 is arranged on the filter element body 1, which may provide additional support and increase the stability of the overall structure of the filter element. By arranging the base 3 and the water channel joint 2 at both ends of the filter element body 1, the locking and disengagement design of the first positioning assembly 4 and the second positioning assembly 5 may make the filter element body 1 more evenly pressurized, ensure that the pressure at the water channel joint 2 is more balanced, avoid single-end pressure causing product deformation, and lock the two ends to ensure stability after locking. At the same time, easy maintenance helps to extend the service life of the filter element and improve the overall economy.

[0052] like Figure 1 and Figure 2As shown, in addition to the features of the above-mentioned embodiment, this embodiment further defines that: the waterway joint 2 includes a support column 21 and a joint body 22, the support column 21 is arranged on the filter element body 1, the joint body 22 is arranged on the support column 21, the joint body 22 is provided with a water inlet interface 201, the extension direction of the water inlet interface 201 intersects with the extension direction of the support column 21, and the first positioning component 4 is arranged on the joint body 22. By arranging the support column 21 on the filter element body 1, a stable support for the joint body 22 can be provided. This helps to maintain the vertical position of the joint body 22 relative to the filter element body 1, and provides a basis for subsequent positioning. The extension direction of the water inlet interface 201 intersects with the extension direction of the support column 21, which can make the locking position of the two ends more stable. The first positioning component 4 is arranged on the joint body 22, and may work in conjunction with the first locking component 200 to achieve reliable positioning of the joint body 22. This helps to ensure the accurate positioning of the waterway joint 2 and improve the overall stability of the filter element. The relative layout of the support column 21 and the joint body 22 can realize that the two positions are located in the extension direction of the filter element body 1, and the assembly is more stable and reliable.

[0053] like Figure 1 and Figure 2 As shown, in addition to the features of the above-mentioned embodiment, this embodiment further defines that: the first positioning assembly 4 includes a first positioning member 41 and a second positioning member 42, and the number of the first positioning member 41 and the second positioning member 42 is multiple, and the multiple first positioning members 41 and the multiple second positioning members 42 are all arranged on the waterway connector 2 and are respectively located on both sides of the waterway connector 2. By arranging multiple first positioning members 41 and multiple second positioning members 42 on the waterway connector 2, it is possible to achieve multi-point positioning of the waterway connector 2. This helps to improve the stability of the entire filter element and reduce the possibility of shaking or loosening of the filter element body 1 during use. The first positioning member 41 and the second positioning member 42 are both arranged on both sides of the waterway connector 2, so that the positioning points are evenly distributed on the waterway connector 2, which helps to balance the positioning force and further improve the positioning effect of the waterway connector 2. Due to the multiple first positioning members 41 and the second positioning member 42, more contact points are provided during positioning, thereby increasing the reliability of positioning. This helps to ensure the close fit between the waterway connector 2 and the first locking assembly 200, and improves the overall use stability of the filter element.

[0054] like Figure 1 and Figure 2As shown, in addition to the features of the above embodiment, this embodiment further defines that: the base 3 is provided with a limiting groove 301, and the second positioning component 5 is located at the notch of the limiting groove 301. By providing the limiting groove 301 on the base 3, a stable positioning area is provided for the second positioning component 5. The second positioning component 5 is located at the notch of the limiting groove 301, which may ensure the accuracy and stability of positioning, thereby improving the reliability of the installation of the entire filter element.

[0055] like Figure 1 and Figure 2 As shown, in addition to the features of the above-mentioned embodiment, this embodiment further defines that: the second positioning assembly 5 includes a third positioning member 51 and a fourth positioning member 52, the number of the third positioning member 51 and the number of the fourth positioning member 52 are both multiple, a gap 501 is provided between adjacent third positioning members 51, a gap 501 is provided between adjacent fourth positioning members 52, and multiple third positioning members 51 and multiple fourth positioning members 52 are located on opposite sides of the groove wall of the limiting groove 301. By setting multiple third positioning members 51 and multiple fourth positioning members 52, multi-point positioning of the waterway connector 2 is achieved. The gaps 501 between adjacent third positioning members 51 and between adjacent fourth positioning members 52 can provide interlaced space, increase the accuracy of positioning, and improve the accuracy of installation of the entire filter element. Multiple third positioning members 51 and multiple fourth positioning members 52 are located on opposite sides of the groove wall of the limiting groove 301, which can provide evenly distributed positioning support on both sides of the waterway connector 2, thereby improving the applicability and flexibility of the product.

[0056] like Fig.10 and Fig.15As shown, in addition to the features of the above embodiments, the present embodiment further defines: the waterway joint 2 includes a support column 21 and a joint body 22, the support column 21 is arranged on the filter element body 1, the joint body 22 is arranged on the support column 21, the support column 21 is provided with a first annular groove 2021, a second annular groove 2022, a third annular groove 2023 and a water outlet channel 2024, the second annular groove 2022 is located inside the first annular groove 2021, the third annular groove 2023 is located inside the second annular groove 2022, the water outlet channel 2024 is located inside the third annular groove 2023, the joint body 22 is provided with a water inlet interface 201, the water inlet interface 201 includes a first water inlet 2011, a first water outlet 2012, a second water inlet 2013, a second water outlet 2014, the first water inlet 2011 is connected to the first annular groove 2021 The first water outlet 2012 is connected to the second annular groove 2022, the second water inlet 2013 is connected to the third annular groove 2023, and the second water outlet 2014 is connected to the water outlet channel 2024. The filter element body 1 includes a filter element housing 11, a filter component 12, a first filter layer 13 and a second filter layer 14. The filter element body 1 is provided with a filter cavity 101. The first filter layer 13 is arranged on the filter element housing 11 and is located in the filter cavity 101. The filter component 12 is arranged on the first filter layer 13. The second filter layer 14 is arranged on the filter component 12 and is located in the filter component 12. The first water inlet 2011, the filter cavity 101, the first filter layer 13, the filter component 12 and the first water outlet 2012 are connected in sequence, and the second water inlet 2013, the filter component 12, the second filter layer 14 and the second water outlet 2014 are connected in sequence. A first water inlet 2011, a first water outlet 2012, a second water inlet 2013 and a second water outlet 2014, as well as corresponding annular grooves and water outlet channels are provided through the water channel joint 2. This design allows the liquid to flow through different channels, ensuring uniform distribution and sufficient filtration of the liquid in the filter element. The filter element body 1 includes a filter element housing 11, a filter assembly 12, a first filter layer 13 and a second filter layer 14. By providing multiple channels and filter layers, the filter element can effectively filter out impurities and particles in the liquid, thereby improving the filtration efficiency.

[0057] like Fig.10 and Fig.15As shown, in addition to the features of the above embodiments, the present embodiment further defines that: the filter assembly 12 includes a first filter cartridge shell 121, a second filter cartridge shell 122 and a water outlet shell 123, the first filter cartridge shell 121 is arranged on the first filter layer 13, a liquid gap is formed between the first filter cartridge shell 121 and the first filter layer 13 and the cavity wall of the filter cavity 101, the first filter cartridge shell 121 is provided with a first filter cartridge water inlet 1201 and a first filter cartridge water outlet 1203, the second filter cartridge shell 122 is arranged on the first filter cartridge shell 121 and is located in the first filter cartridge shell 121, a part of the second filter cartridge shell 122 extends to the first filter cartridge water outlet 1203, the second filter cartridge shell 122 is provided with a second filter cartridge water inlet 1204, and a first water passage cavity 120 is formed between the second filter cartridge shell 122 and the first filter cartridge shell 121 2. The second filter layer 14 is arranged on the second filter cartridge shell 122 and is located in the second filter cartridge shell 122. One side of the water outlet shell 123 is arranged on the second filter layer 14. The other end of the water outlet shell 123 extends to the second filter cartridge water inlet 1204. A second filter cartridge water outlet 1206 is provided on one side of the water outlet shell 123 extending to the second filter cartridge water inlet 1204. The second filter cartridge water outlet 1206 is communicated with the second filter layer 14. A second water passage cavity 1205 is formed between the second filter cartridge shell 122, the water outlet shell 123 and the second filter layer 14. The first annular groove 2021 is communicated with the liquid passage gap. The second annular groove 2022 is communicated with the first water passage cavity 1202. The third annular groove 2023 is communicated with the second water passage cavity 1205. The water outlet channel 2024 is communicated with the second filter cartridge water outlet 1206. The filter assembly 12 is configured as a first filter cartridge shell 121, a second filter cartridge shell 122 and a water outlet shell 123, and then a layered design is achieved by positioning the first filter layer 13 and the second filter layer 14. This layered design can effectively filter the liquid, making the liquid purer after filtering at different levels. A second water passage chamber 1205 is formed between the second filter cartridge shell 122 and the water outlet shell 123, and a first water passage chamber 1202 is formed between the second filter cartridge shell 122 and the first filter cartridge shell 121. Such a design enables the liquid to flow in different water passage chambers, increasing the efficiency and thoroughness of the filtration. The first annular groove 2021 is connected to the liquid passage gap, the second annular groove 2022 is connected to the first water passage chamber 1202, the third annular groove 2023 is connected to the second water passage chamber 1205, and the water outlet channel 2024 is connected to the second filter cartridge water outlet 1206. The connectivity of these channels ensures that the liquid can smoothly enter the filter element from the water inlet, and then flow out from the water outlet after layered filtration. The entire filtration process is smooth and efficient.

[0058] like Fig.10 and Fig.15As shown, in addition to the features of the above-mentioned embodiment, this embodiment further defines that: the support column 21 includes an outer shell 211, a first separation ring 212, a second separation ring 213 and a water outlet pipe 214, the first separation ring 212, the second separation ring 213 and the water outlet pipe 214 are all arranged on the outer shell 211, a first annular groove 2021 is formed between the first separation ring 212 and the outer shell 211, a second annular groove 2022 is formed between the second separation ring 213 and the first separation ring 212, a third annular groove 2023 is formed between the water outlet pipe 214 and the second separation ring 213, and a water outlet channel 2024 is provided in the water outlet pipe 214. The arrangement of the first separation ring 212, the second separation ring 213 and the water outlet pipe 214 forms an annular groove structure on the outer shell 211, namely, the first annular groove 2021, the second annular groove 2022 and the third annular groove 2023. This design makes the internal structure of the waterway connector 2 more compact, and separates different functional areas, which helps to improve the stability and reliability of the waterway assembly. The water outlet pipe 214 is provided with a water outlet channel 2024, through which the filtered liquid can flow out of the filter element smoothly, ensuring the normal operation of the entire filtration system. The outer shell 211, as the main body of the support column, provides a solid support for the entire waterway connector, ensuring its stability and reliability during use.

[0059] Example 2

[0060] like Figure 3 and Figure 4 As shown, this embodiment discloses a filter element locking assembly, including: the above-mentioned filter element 100; a first locking assembly 200, the first locking assembly 200 is used to be set on the water purifier housing, the first locking assembly 200 is locked or disengaged from the first positioning assembly 4; a second locking assembly 300, the second locking assembly 300 is used to be set on the water purifier housing, the second locking assembly 300 is locked or disengaged from the second positioning assembly 5.

[0061] The second aspect of the present application provides a filter element locking assembly, which ensures the secure locking of the filter element 100 by setting the first locking assembly 200 on the water purifier housing, possibly through the synergistic effect with the first positioning assembly 4. This helps to prevent the filter element from falling off or shifting during the use of the water purifier, and improves the overall stability of the water purifier. The second locking assembly 300 is set on the water purifier housing, and further ensures the accurate positioning of the filter element by locking with the second positioning assembly 5. This helps to fix the position of the filter element in the water purifier and improves the filtering efficiency and performance of the water purifier. The setting of the first locking assembly 200 and the second locking assembly 300 makes the installation and removal of the filter element easier. The user can easily achieve rapid replacement of the filter element by locking or disengaging these two components, thereby improving the convenience of using the water purifier. By locking both ends of the filter element 100, the force is more uniform after locking.

[0062] like Figure 5 , Figure 6 and Figure 7 As shown, in addition to the features of the above embodiment, this embodiment further defines that: the first locking assembly 200 includes a first mounting housing 210, a joint assembly 220, a first locking plate assembly 230, a mounting plate 240 and a first reset member 250, the first mounting housing 210 is used to be arranged on the water purifier housing, the joint assembly 220 is arranged on the first mounting housing 210, the mounting plate 240 is arranged on the first mounting housing 210, the first locking plate assembly 230 is movably arranged between the first mounting housing 210 and the mounting plate 240, and the two ends of the first reset member 250 are respectively against the first locking plate assembly 230 and the first mounting housing 210. During use, the first mounting housing 210 is arranged on the water purifier housing, providing a stable mounting platform for the entire first locking assembly 200. This helps to ensure that the locking assembly is firmly fixed in the water purifier and improves the overall stability of the water purifier. The joint assembly 220 is arranged on the first mounting housing 210, so that the first locking assembly 200 can effectively cooperate with other components. This helps to simplify the connection between components and improves the overall performance of the locking assembly. The mounting plate 240 is disposed on the first mounting shell 210, which helps to simplify the installation process of the locking plate assembly 230 and improves the ease of installation of the assembly. The first locking plate assembly 230 is movably disposed between the first mounting shell 210 and the mounting plate 240, and has a flexible locking mechanism, which helps to ensure that the filter element 100 can be reliably locked during use, thereby improving the filtering effect of the water purifier. The two ends of the first reset member 250 are respectively abutted against the first locking plate assembly 230 and the first mounting shell 210, providing a reliable reset mechanism. This helps to ensure that the first locking assembly 200 can be quickly reset when the filter element is replaced, reducing the difficulty of operation for the user and improving the ease of use of the water purifier.

[0063] like Figure 5 , Figure 6 and Figure 7As shown, in addition to the features of the above embodiments, this embodiment further defines that: the joint assembly 220 includes a connecting pipe 2210, a first positioning plate 2220, a sealing ring 2230, a valve core and an elastic member, the number of the connecting pipes 2210 is multiple, and the multiple connecting pipes 2210 are all arranged on the first installation housing 210, the first positioning plate 2220 is arranged on the multiple connecting pipes 2210, the sealing ring 2230 is sleeved on the connecting pipe 2210, and the sealing ring 2230 is sandwiched between the filter element 100 and the connecting pipe 2210. By arranging the multiple connecting pipes 2210 on the first installation housing 210, a multi-point connection between the filter element 100 and the joint assembly 220 is provided. This helps to increase the stability of the connection, ensure the firm installation of the filter element in the water purifier, and at the same time, a variety of different water inlet and outlet settings can be realized through the multiple connecting pipes 2210 to make the function of the filter element more perfect. The sealing ring 2230 is sleeved on the connecting pipe 2210 and clamped between the filter element 100 and the connecting pipe 2210. The valve core is located in the connecting pipe 2210. The valve core can open or close the connecting pipe 2210. The two ends of the elastic member are respectively against the valve core and the first mounting shell 210. This helps to achieve a good sealing effect, prevent water or other liquids from bypassing the filter element, and improve the filtering accuracy and effect of the water purifier. The separate design of the connecting pipe 2210, the first positioning plate 2220 and the sealing ring 2230 may make these components easy to maintain and replace. The user can easily clean or replace the sealing ring, which extends the service life of the joint assembly and improves the maintainability of the water purifier. Through the setting of the valve core, the connecting pipe 2210 can be opened when the filter element is assembled, and the connecting pipe can be blocked to prevent water leakage when the filter element is removed.

[0064] like Figure 5 , Figure 6 and Figure 7As shown, in addition to the features of the above embodiments, the present embodiment further defines that: the first locking plate assembly 230 includes a connecting plate 2310, an upper connecting plate 2320, a lower connecting plate 2330, a fifth positioning member 2340, a sixth positioning member 2350 and a limiting member 2360, the two ends of the connecting plate 2310 are respectively connected to the upper connecting plate 2320 and the lower connecting plate 2330, the fifth positioning member 2340 is arranged on the upper connecting plate 2320, the sixth positioning member 2350 is arranged on the lower connecting plate 2330, the fifth positioning member 2340 and the sixth positioning member 2350 can be locked with or disengaged from the filter element 100, the limiting member 2360 is arranged on the upper connecting plate 2320 and / or the lower connecting plate 2330, the first mounting shell 210 is provided with a limiting notch 2101, the limiting member 2360 extends to the limiting notch 2101 and can move within the range defined by the limiting notch 2101. The overall structure of the first locking plate assembly 230 is formed by connecting the two ends of the connecting plate 2310 to the upper connecting plate 2320 and the lower connecting plate 2330 respectively. This helps to improve the strength and stability of the locking plate assembly and ensure that it is not easily deformed or damaged during use. The fifth positioning member 2340 and the sixth positioning member 2350 are arranged on the upper connecting plate 2320 and the lower connecting plate 2330, and can be locked or disengaged from the filter element 100. This helps to achieve controllable locking and disengagement of the filter element, which is convenient for users to replace or maintain. The design of the fifth positioning member 2340 and the sixth positioning member 2350 can be accurately positioned with the filter element 100. This helps to ensure the correct position of the filter element in the locking plate assembly, improving the filtration efficiency and performance of the water purifier. The setting of the limit member 2360 may provide a flexible limiting mechanism to ensure that the connecting plate 2310 moves within a limited range.

[0065] like Figure 8 and Fig. 9As shown, in addition to the features of the above-mentioned embodiment, the present embodiment further defines that: the second locking assembly 300 includes a second mounting housing 310, a second locking plate assembly 320 and a second reset member 330, the second mounting housing 310 is used to be arranged on the water purifier housing, the locking plate assembly 320 is movably arranged on the second mounting housing 310, and the two ends of the second reset member 330 are respectively against the locking plate assembly 320 and the second mounting housing 310. The second mounting housing 310 is used to be arranged on the water purifier housing, and a stable installation foundation for the second locking assembly 300 is provided. This helps to ensure that the locking assembly is firmly fixed in the water purifier and improves the overall stability of the water purifier. The locking plate assembly 320 is movably arranged on the second mounting housing 310 and may have a flexible locking mechanism. This helps to ensure that the filter element 100 can be reliably locked during use, thereby improving the filtering effect of the water purifier. The two ends of the second reset member 330 are respectively against the locking plate assembly 320 and the second mounting housing 310, which may provide a reliable reset mechanism. This helps to ensure that the second locking assembly 300 can be quickly reset when the filter element is replaced, thereby reducing the difficulty of operation for the user and improving the usability of the water purifier.

[0066] like Figure 8 and Fig. 9 As shown, in addition to the features of the above-mentioned embodiment, the present embodiment further defines that: the second locking plate assembly 320 includes a support plate 3210, a second positioning plate 3220, a seventh positioning member 3230 and an eighth positioning member 3240, the support plate 3210 is movably arranged on the second mounting housing 310, the second positioning plate 3220 is arranged on the support plate 3210, the seventh positioning member 3230 and the eighth positioning member 3240 are arranged on the second positioning plate 3220 to be located on both sides of the second positioning plate 3220, and the seventh positioning member 3220 and the eighth positioning member 3240 can be locked or disengaged from the second positioning assembly 5. By movably arranging the support plate 3210 on the second mounting housing 310, a stable supporting structure of the locking plate assembly 320 is provided. This helps to ensure the firm support of the locking plate assembly in the water purifier and improves the overall stability of the water purifier. The second positioning plate 3220 is arranged on the support plate 3210, providing accurate positioning support for the locking plate assembly 320. The seventh positioning member 3230 and the eighth positioning member 3240 are arranged on both sides of the second positioning plate 3220, and can be locked or disengaged from the second positioning assembly 5. This helps to achieve controllable positioning of the filter element, and is convenient for users to replace or maintain.

[0067] Example 3

[0068] The present embodiment discloses a water purifier, comprising: the above-mentioned filter element locking assembly, a water purifier housing, a first locking assembly 200 arranged on the water purifier housing, and a second locking assembly 300 arranged on the water purifier housing; a driving assembly, the driving assembly is transmission-connected to the first locking assembly 200 and the second locking assembly 300, and the driving assembly is used to drive the first locking assembly 200 and the second locking assembly 300 to lock or disengage with the filter element 100.

[0069] The third aspect of the present application provides a water purifier, which is integrated in the water purifier through a filter element locking assembly, including a first locking assembly 200 and a second locking assembly 300, so that the installation of the water purifier and the replacement of the filter element become easier. The drive assembly is transmission-connected to the first locking assembly 200 and the second locking assembly 300, so that when the filter element is locked or disengaged, the user only needs to operate one drive assembly to complete it, reducing the operation steps and improving the user experience. The drive assembly is designed to drive the first locking assembly 200 and the second locking assembly 300, so that the filter element 100 can be easily locked or disengaged. This helps to improve the controllability of the filter element and ensure the accuracy and stability of the operation.

[0070] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0071] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A filter element, characterized in that: The filter element comprises: A filter element body (1), wherein the filter element body (1) is used for filtering liquid; A water channel joint (2), the water channel joint (2) being arranged on the filter element body (1), and the water channel joint (2) being provided with a water inlet interface (201); A base (3), the base (3) being arranged on the filter element body (1), the base (3) and the water channel joint (2) being located at two ends of the filter element body (1); A first positioning component (4), the first positioning component (4) being arranged on the waterway connector (2), the first positioning component (4) being used to lock or disengage with the first locking component (200); A second positioning component (5), wherein the second positioning component (5) is arranged on the base (3), and the second positioning component (5) is used to lock with or disengage from the second locking component (300).

2. The filter element according to claim 1, characterized in that: The water channel joint (2) comprises a support column (21) and a joint body (22), wherein the support column (21) is arranged on the filter element body (1), and the joint body (22) is arranged on the support column (21), and the joint body (22) is provided with a water inlet interface (201), and the extension direction of the water inlet interface (201) intersects with the extension direction of the support column (21), and the first positioning component (4) is arranged on the joint body (22); And / or the first positioning component (4) comprises a first positioning member (41) and a second positioning member (42), the first positioning member (41) and the second positioning member (42) are both multiple in number, and the multiple first positioning members (41) and the multiple second positioning members (42) are all arranged on the water channel joint (2) and are respectively located on both sides of the water channel joint (2).

3. The filter element according to claim 1, characterized in that: The base (3) is provided with a limiting groove (301), and the second positioning component (5) is located at the notch of the limiting groove (301).

4. The filter element according to claim 3, characterized in that: The second positioning assembly (5) comprises a third positioning member (51) and a fourth positioning member (52), the third positioning member (51) and the fourth positioning member (52) are both multiple in number, a notch (501) is provided between adjacent third positioning members (51), and a notch (501) is provided between adjacent fourth positioning members (52), and the multiple third positioning members (51) and the multiple fourth positioning members (52) are located on opposite sides of the groove wall of the limiting groove (301).

5. The filter element according to claim 1, characterized in that: The water channel joint (2) comprises a support column (21) and a joint body (22); the support column (21) is arranged on the filter element body (1); the joint body (22) is arranged on the support column (21); the support column (21) is provided with a first annular groove (2021), a second annular groove (2022), a third annular groove (2023) and a water outlet channel (2024); the second annular groove (2022) is located inside the first annular groove (2021); the third annular groove (2023) is located inside the first annular groove (2021); and the third annular groove (2023) is located inside the first annular groove (2021). The water outlet channel (2024) is located inside the second annular groove (2022) and inside the third annular groove (2023). The joint body (22) is provided with a water inlet interface (201), and the water inlet interface (201) includes a first water inlet (2011), a first water outlet (2012), a second water inlet (2013), and a second water outlet (2014). The first water inlet (2011) is connected to the first annular groove (2021), and the first water outlet (2012) is connected to the second annular groove. (2022), the second water inlet (2013) is connected to the third annular groove (2023), the second water outlet (2014) is connected to the water outlet channel (2024), the filter element body (1) comprises a filter element housing (11), a filter assembly (12), a first filter layer (13) and a second filter layer (14), the filter element body (1) is provided with a filter cavity (101), the first filter layer (13) is arranged on the filter element housing (11) and is located in the filter cavity (101), the filter assembly (12) is provided with a filter cavity (101), the first filter layer (13) is provided ... The filter assembly (12) is arranged on the first filter layer (13), the second filter layer (14) is arranged on the filter assembly (12) and is located in the filter assembly (12), the first water inlet (2011), the filter cavity (101), the first filter layer (13), the filter assembly (12) and the first water outlet (2012) are connected in sequence, and the second water inlet (2013), the filter assembly (12), the second filter layer (14) and the second water outlet (2014) are connected in sequence.

6. The filter element according to claim 5, characterized in that: The filter assembly (12) comprises a first filter element shell (121), a second filter element shell (122) and a water outlet shell (123); the first filter element shell (121) is arranged on the first filter layer (13); a liquid gap is formed between the first filter element shell (121), the first filter layer (13) and the cavity wall of the filter cavity (101); the first filter element shell (121) is provided with a first filter element water inlet (1201) and a first filter element water outlet (1203); the second filter element shell (122) is provided with a first filter element water inlet (1201) and a first filter element water outlet (1203); The filter cartridge shell (122) is arranged on the first filter cartridge shell (121) and is located inside the first filter cartridge shell (121); a portion of the second filter cartridge shell (122) extends to the first filter cartridge water outlet (1203); the second filter cartridge shell (122) is provided with a second filter cartridge water inlet (1204); a first water passage cavity (1202) is formed between the second filter cartridge shell (122) and the first filter cartridge shell (121); and the second filter layer (14) is arranged on the second filter cartridge shell (121). The filter element (120) is disposed on the core shell (122) and is located in the second filter core shell (122); one side of the water outlet shell (123) is disposed on the second filter layer (14); the other end of the water outlet shell (123) extends to the second filter core water inlet (1204); a second filter core water outlet (1206) is provided on the side of the water outlet shell (123) extending to the second filter core water inlet (1204); the second filter core water outlet (1206) is communicated with the second filter layer (14); A second water passage cavity (1205) is formed between the second filter element housing (122), the water outlet housing (123) and the second filter layer (14); the first annular groove (2021) is in communication with the liquid passage gap; the second annular groove (2022) is in communication with the first water passage cavity (1202); the third annular groove (2023) is in communication with the second water passage cavity (1205); and the water outlet channel (2024) is in communication with the second filter element water outlet (1206); And / or the support column (21) comprises an outer shell (211), a first separating ring (212), a second separating ring (213) and a water outlet pipe (214); the first separating ring (212), the second separating ring (213) and the water outlet pipe (214) are all arranged on the outer shell (211); the first annular groove (2021) is formed between the first separating ring (212) and the outer shell (211); the second annular groove (2022) is formed between the second separating ring (213) and the first separating ring (212); the third annular groove (2023) is formed between the water outlet pipe (214) and the second separating ring (213); and the water outlet pipe (214) is provided with the water outlet channel (2024).

7. A filter element locking assembly, characterized in that: The filter element locking assembly comprises: The filter element (100) according to any one of claims 1 to 6; A first locking assembly (200), the first locking assembly (200) being used to be arranged on a water purifier housing, the first locking assembly (200) being locked or disengaged from the first positioning assembly (4); A second locking assembly (300), the second locking assembly (300) is used to be arranged on the water purifier housing, and the second locking assembly (300) is locked or disengaged from the second positioning assembly (5).

8. The filter element locking assembly according to claim 7, characterized in that: The first locking assembly (200) comprises a first mounting shell (210), a joint assembly (220), a first locking plate assembly (230), a mounting plate (240) and a first reset member (250); the first mounting shell (210) is used to be arranged on a water purifier shell; the joint assembly (220) is arranged on the first mounting shell (210); the mounting plate (240) is arranged on the first mounting shell (210); the first locking plate assembly (230) is movably arranged between the first mounting shell (210) and the mounting plate (240); and two ends of the first reset member (250) are respectively abutted against the first locking plate assembly (230) and the first mounting shell (210).

9. The filter element locking assembly according to claim 8, characterized in that: The joint assembly (220) comprises a connecting pipe (2210), a first positioning plate (2220), a sealing ring (2230), a valve core and an elastic member. There are a plurality of connecting pipes (2210), and the plurality of connecting pipes (2210) are all arranged on the first mounting shell (210). The first positioning plate (2220) is arranged on the plurality of connecting pipes (2210). The sealing ring (2230) is sleeved on the connecting pipe (2210). The sealing ring (2230) is sandwiched between the filter element (100) and the connecting pipe (2210). The valve core is located in the connecting pipe (2210). The valve core can open or close the connecting pipe (2210). Two ends of the elastic member are respectively against the valve core and the first mounting shell (210). And / or the first locking plate assembly (230) includes a connecting plate (2310), an upper connecting plate (2320), a lower connecting plate (2330), a fifth positioning member (2340), a sixth positioning member (2350) and a limiting member (2360), wherein both ends of the connecting plate (2310) are respectively connected to the upper connecting plate (2320) and the lower connecting plate (2330), the fifth positioning member (2340) is arranged on the upper connecting plate (2320), and the sixth positioning member (2350) is arranged on the lower connecting plate (2360). On the lower connecting plate (2330), the fifth positioning member (2340) and the sixth positioning member (2350) can be locked with or disengaged from the filter element (100), the limiting member (2360) is arranged on the upper connecting plate (2320) and / or the lower connecting plate (2330), the first mounting shell (210) is provided with a limiting notch (2101), and the limiting member (2360) extends to the limiting notch (2101) and can move within the range limited by the limiting notch (2101).

10. The filter element locking assembly according to claim 7, characterized in that: The second locking assembly (300) comprises a second mounting shell (310), a second locking plate assembly (320) and a second reset member (330); the second mounting shell (310) is used to be arranged on the water purifier shell; the locking plate assembly (320) is movably arranged on the second mounting shell (310); and two ends of the second reset member (330) are respectively abutted against the locking plate assembly (320) and the second mounting shell (310).

11. The filter element locking assembly according to claim 10, characterized in that: The second locking plate assembly (320) includes a support plate (3210), a second positioning plate (3220), a seventh positioning member (3230) and an eighth positioning member (3240); the support plate (3210) is movably arranged on the second mounting shell (310); the second positioning plate (3220) is arranged on the support plate (3210); the seventh positioning member (3230) and the eighth positioning member (3240) are arranged on the second positioning plate (3220) and are located on both sides of the second positioning plate (3220); the seventh positioning member (3230) and the eighth positioning member (3240) can be locked with or disengaged from the second positioning assembly (5).

12. A water purifier, characterized in that: The water purifier comprises: The filter element locking assembly according to claim 7, A water purifier housing, wherein the first locking assembly (200) is arranged on the water purifier housing, and the second locking assembly (300) is arranged on the water purifier housing; A driving assembly is connected in transmission with the first locking assembly (200) and the second locking assembly (300), and is used to drive the first locking assembly (200) and the second locking assembly (300) to lock or disengage with the filter element (100).

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