Water purifier

Abstract

The utility model relates to a water purifier, which belongs to the field of water purification equipment, and comprises a shell component, a water inlet, a water outlet, a water inlet and a water outlet, the support assembly is arranged on the shell assembly and located in the mounting cavity, the support assembly is provided with a first containing cavity communicating with the water inlet, and the support assembly is provided with a second containing cavity communicating with the water outlet; the pump body assembly is arranged on the support assembly and / or the shell assembly, the pump body assembly communicates with the first containing cavity and the second containing cavity, and the support assembly is arranged around the pump body assembly; the filter element assembly is arranged on the support assembly and located in the first containing cavity and / or the second containing cavity. According to the water purifier, the support assembly is arranged around the pump body assembly, the whole structure of the water purifier is compact, distribution of the support assembly and the pump body assembly is more reasonable, the assembling space is saved, and therefore the water purifier is smaller in size and beneficial to storage and carrying.

Description

Technical Field

[0001] This utility model relates to the field of water purification equipment, and in particular to a water purifier. Background Technology

[0002] A water purifier is a mechanical device that filters and purifies water according to user needs, thereby providing users with safe and healthy drinking water. However, existing water purifiers have the following drawbacks during use: the structural design and distribution of the various components are unreasonable, resulting in a large amount of assembly space being occupied, thus making the overall size of the water purifier large and inconvenient for storage and transportation. Utility Model Content

[0003] Therefore, it is necessary to provide a water purifier that addresses the problem of excessive assembly space occupied by the unreasonable structural design and distribution of the various components in existing water purifiers.

[0004] A water purifier includes: a housing assembly having a mounting cavity, an inlet, and an outlet; a support assembly disposed on the housing assembly and located within the mounting cavity, the support assembly having a first receiving cavity communicating with the inlet and a second receiving cavity communicating with the outlet; a pump assembly disposed on the support assembly and / or the housing assembly, the pump assembly communicating with the first receiving cavity and the second receiving cavity respectively; and a filter element assembly disposed on the support assembly and located within the first receiving cavity and / or the second receiving cavity.

[0005] This application discloses a water purifier that utilizes a pump assembly to create a highly efficient water circulation system within the purifier, ensuring smooth water flow. The first and second receiving chambers for the filter cartridges are connected to the inlet and outlet, respectively, allowing water to pass sequentially through each filter cartridge. This achieves step-by-step filtration of impurities in the water, improving overall filtration efficiency and purification effect. The filter cartridges are mounted on a support assembly for easy inspection and maintenance. The pump assembly, mounted on the support assembly, results in a compact overall structure. The distribution of the support and pump assemblies is more rational, saving assembly space and making the purifier smaller, easier to store and transport. The outer casing effectively protects the internal components from dust, impurities, and other external environmental factors. This water purifier not only offers greater miniaturization but also provides users with a convenient maintenance experience and reliable safety assurance.

[0006] In one embodiment, there are multiple filter cartridges, each located within the first receiving cavity and the second receiving cavity. The arrangement of multiple filter cartridges ensures that the water undergoes multiple layers of filtration as it passes through the first and second receiving cavities, thus helping to more effectively remove impurities and contaminants from the water.

[0007] In one embodiment, the support assembly is arranged around the pump body assembly. By arranging the support assembly around the pump body assembly, the overall structure of the water purifier is compact, the distribution of the support assembly and pump body assembly is more reasonable, and the assembly space of the support assembly and pump body assembly is saved, thereby making the water purifier more miniaturized and easier to store and transport.

[0008] In one embodiment, an electronic control board is also included, which is disposed on the bracket assembly and / or the housing assembly, and is electrically connected to the pump body assembly. By electrically connecting the electronic control board to the pump body assembly, the operating state of the pump body assembly can be controlled via the electronic control board, achieving centralized control and management of the overall operation of the water purifier.

[0009] In one embodiment, the system further includes a piping assembly and a valve assembly. The piping assembly includes a first pipe, a second pipe, a third pipe, a fourth pipe, and a fifth pipe. The first receiving cavity and the water inlet are connected via the first pipe. The first receiving cavity and the pump assembly are connected via the second pipe. The pump assembly and the second receiving cavity are connected via the third pipe. The second receiving cavity and the water outlet are connected via the fourth pipe. The outer casing assembly has a drain outlet, and the second receiving cavity and the drain outlet are connected via the fifth pipe. The valve assembly is mounted on the piping assembly. The piping assembly ensures a smooth water flow path from the water inlet to the water outlet, guaranteeing efficient and orderly water flow between each treatment stage and avoiding potential blockage risks. The second receiving cavity and the drain outlet are connected via the fifth pipe, providing a convenient drainage channel for the water purifier. Residual wastewater and impurities can be discharged by opening the drain outlet, simplifying maintenance. The valve assembly enhances the control capability of the piping assembly, enabling the water purifier to maintain stable operation in different working modes.

[0010] In one embodiment, the support assembly includes a filter element support and fixing plates. The filter element support is disposed on the housing assembly and located within the mounting cavity. Multiple fixing plates are disposed on the filter element support and located on both sides of the filter element support. The pump assembly is located within the space enclosed by the filter element support and the multiple fixing plates. The filter element support, securely mounted on the housing assembly, provides stable support for the filter element assembly. Furthermore, the filter element support provides a stable filtration environment for the filter element assembly. The multiple fixing plates distributed on both sides of the filter element support further enhance structural strength, thereby extending the product's lifespan. The layout, with the pump assembly located within the space enclosed by the filter element support and the multiple fixing plates, fully utilizes the internal space of the water purifier, resulting in a more compact overall structure.

[0011] In one embodiment, the filter cartridge support includes a first support, a second support, and a connecting frame. Both the first and second supports are mounted on the housing assembly and extend along the height of the housing assembly. The first support has a first receiving cavity, and the second support has a second receiving cavity. The connecting frame is connected to both the first and second supports, and a fixing plate is connected to both the first and second supports. The connection of the connecting frame to the first and second supports enhances the overall stability of the filter cartridge support, preventing deformation or damage during use. The connection of the fixing plate to the first and second supports further strengthens the structural strength of the support assembly. This design helps optimize the spatial layout of the water purifier, making the overall structure more compact and aesthetically pleasing.

[0012] In one embodiment, the fixing plate includes a fixing plate and a limiting block. The fixing plate is disposed on the filter element bracket, and the limiting block is disposed on the fixing plate and located on the side of the fixing plate facing the pump body assembly. The side of the limiting block facing the pump body assembly forms an arc-shaped surface. The fixing plate provides stable support for the limiting block. The arc-shaped surface makes the limiting block more compatible with the pump body assembly, preventing the limiting block from colliding with the pump body assembly during assembly and disassembly, thus avoiding damage.

[0013] In one embodiment, the fixing plate has an arcuate surface on the side facing the pump body assembly. This arcuate surface helps protect the pump body assembly and extends its service life. The arcuate surface also facilitates a tight fit between the fixing plate and the pump body assembly, enhancing the stability between them.

[0014] In one embodiment, the filter element support is in the shape of an "I" or an inverted "U". By using an "I" or inverted "U" shape, the filter element support's structural design is more rational, allowing the lower space to be used for assembling other components of the water purifier, resulting in a more compact overall structure and a smaller size. Furthermore, this design gives the filter element support higher structural strength and stability, enabling it to withstand greater pressure and impact.

[0015] In one embodiment, the pump body assembly is connected to the fixing plate. This connection enhances the stability of the pump body assembly and prevents displacement during use. Furthermore, the connection method is simple and assembly is easy.

[0016] In one embodiment, a wrench assembly is also included, which is disposed on the filter element assembly. By mounting the wrench assembly on the filter element assembly, users do not need to search for or prepare additional wrenches when replacing the filter element, allowing for easy and convenient replacement at any time. This design reduces the time and effort required for user maintenance, improving the user experience.

[0017] In one embodiment, the wrench assembly includes a locking portion, a grip portion, and a wrench portion. The locking portion and the wrench portion are both disposed on the grip portion and located at opposite ends of the grip portion. The wrench portion is disposed on the filter element assembly and is adaptable to the filter element assembly. The locking portion is used to grip a portion of the filter element assembly. Because the locking portion and the wrench portion of the wrench assembly are located at opposite ends of the grip portion, the user can easily grip the grip portion and use the wrench portion to replace the filter element. The locking portion is used to grip the filter element in the filter element assembly, allowing the user to easily remove and install the filter element without using other tools, greatly simplifying the replacement process.

[0018] In one embodiment, the filter assembly includes a filter cartridge and a filter body. The filter cartridge is disposed on the support assembly and located within the first receiving cavity and / or the second receiving cavity. The filter body is disposed on the filter cartridge and located inside the filter cartridge. The assembly also includes a wrench assembly that is adaptable to the filter cartridge and capable of removing the filter body. The filter cartridge, acting as an external support structure, provides stable support and protection for the filter body, ensuring that the filter body is not easily damaged during use. The combined arrangement of the filter cartridge and filter body enables the filter assembly to efficiently remove impurities and contaminants from the water.

[0019] In one embodiment, the outer casing assembly includes a top shell, a protective shell, a bottom shell, and a connector plate. The top shell and the bottom shell are both disposed on the protective shell and located at both ends of the protective shell. The connector plate is disposed on the protective shell and has the water inlet and the water outlet, as well as a drain outlet. The top and bottom shells, respectively located at both ends of the protective shell, form a closed shell structure, enhancing the structural stability of the entire water purifier. Furthermore, it provides sufficient strength and rigidity to protect the internal components of the water purifier from external environmental influences. The drain outlet on the connector plate allows users to easily perform draining operations, promptly cleaning impurities and dirt from inside the water purifier. Attached Figure Description

[0020] Figure 1 A 3D diagram of a water purifier;

[0021] Figure 2 This is the first exploded view of a water purifier;

[0022] Figure 3 This is the second exploded view of the water purifier;

[0023] Figure 4 This is the third exploded view of the water purifier;

[0024] Figure 5 A 3D view of the support assembly;

[0025] Figure 6 This is a 3D view of the filter element support;

[0026] Figure 7 A three-dimensional view of the fixed plate;

[0027] Figure 8 A 3D view of the wrench assembly;

[0028] Figure 9 This is a 3D view of the housing components;

[0029] Figure 10 This is an exploded view of the housing assembly.

[0030] The correspondence between the reference numerals and the component names is as follows:

[0031] 1. Outer shell assembly, 11. Top shell, 12. Protective shell, 13. Bottom shell, 14. Connector plate, 101. Mounting cavity, 102. Inlet, 103. Outlet, 104. Drain outlet;

[0032] 2. Support assembly, 21. Filter element support, 211. First support, 212. Second support, 213. Connecting frame, 22. Fixing plate, 221. Fixing plate piece, 222. Limiting block, 201. First receiving cavity, 202. Second receiving cavity;

[0033] 3. Pump body assembly;

[0034] 4 filter cartridges, 41 filter cartridges;

[0035] 5. Electronic control board;

[0036] 6. Wrench assembly, 61. Locking part, 62. Hand grip, 63. Wrench part. Detailed Implementation

[0037] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0038] Many specific details are set forth in the following description in order to provide 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 scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0039] like Figure 1-4 As shown, this embodiment discloses a water purifier, including: a housing assembly 1, which has a mounting cavity 101, an inlet 102, and an outlet 103; a support assembly 2, which is disposed on the housing assembly 1 and located within the mounting cavity 101, the support assembly 2 having a first receiving cavity 201 communicating with the inlet 102 and a second receiving cavity 202 communicating with the outlet 103; a pump body assembly 3, which is disposed on the support assembly 2 and / or the housing assembly 1, and communicates with the first receiving cavity 201 and the second receiving cavity 202 respectively; and a filter element assembly 4, which is disposed on the support assembly 2 and located within the first receiving cavity 201 and / or the second receiving cavity 202.

[0040] This application discloses a water purifier. The pump assembly 3 creates a highly efficient water circulation system within the purifier, ensuring smooth water flow. The first and second receiving chambers 201 and 202, housing the filter cartridge assembly 4, are connected to the inlet 102 and outlet 103 respectively, allowing water to pass sequentially through each filter cartridge. This achieves step-by-step filtration of impurities in the water, improving overall filtration efficiency and purification effect. The filter cartridge assembly 4 is mounted on the support assembly 2 for easy inspection and maintenance. The pump assembly 3, mounted on the support assembly 2, results in a compact overall structure. The distribution of the support assembly 2 and pump assembly 3 is more rational, saving assembly space and making the water purifier smaller, easier to store and transport. The outer shell assembly 1 effectively protects the internal components from dust, impurities, and other external environmental factors. This water purifier not only offers greater miniaturization but also provides users with convenient maintenance and reliable safety.

[0041] like Figure 2-4 As shown, in addition to the features of the above embodiments, this embodiment further specifies that: the number of filter element assemblies 4 is multiple, and the multiple filter element assemblies 4 are respectively located in the first receiving cavity 201 and the second receiving cavity 202. The arrangement of multiple filter element assemblies 4 ensures that the water flow undergoes multiple layers of filtration when passing through the first receiving cavity 201 and the second receiving cavity 202, which helps to more effectively remove impurities and contaminants from the water.

[0042] like Figure 2-3 As shown, in addition to the features of the above embodiments, this embodiment further specifies that: the support assembly 2 is arranged around the pump body assembly 3. The overall structure of the water purifier is compact, the distribution of the support assembly 2 and the pump body assembly 3 is more reasonable, saving assembly space for the support assembly 2 and the pump body assembly 3, thereby making the water purifier more miniaturized and easier to store and transport.

[0043] like Figure 2-3 As shown, in addition to the features of the above embodiments, this embodiment further includes an electronic control board 5, which is disposed on the bracket assembly 2 and / or the housing assembly 1, and is electrically connected to the pump body assembly 3. Through the electrical connection between the electronic control board 5 and the pump body assembly 3, the operating state of the pump body assembly 3 can be controlled by the electronic control board 5, achieving centralized control and management of the overall operation of the water purifier.

[0044] like Figure 2 , Figure 3 and Figure 5As shown, in addition to the features of the above embodiments, this embodiment further includes a pipe assembly and a valve body assembly. The pipe assembly includes a first pipe, a second pipe, a third pipe, a fourth pipe, and a fifth pipe. The first receiving cavity 201 and the water inlet 102 are connected through the first pipe. The first receiving cavity 201 and the pump body assembly 3 are connected through the second pipe. The pump body assembly 3 and the second receiving cavity 202 are connected through the third pipe. The second receiving cavity 202 and the water outlet 103 are connected through the fourth pipe. The outer shell assembly 1 is provided with a drain outlet 104. The second receiving cavity 202 and the drain outlet 104 are connected through the fifth pipe. The valve body assembly is disposed on the pipe assembly. The arrangement of the pipe assembly enables the water purifier to achieve a smooth water flow path from the water inlet 102 to the water outlet 103, ensuring that the water can flow efficiently and orderly between each treatment stage and avoiding potential blockage risks. The second receiving chamber 202 and the drain port 104 are connected by a fifth pipe, providing a convenient drainage channel for the water purifier. Residual sewage and impurities can be discharged by opening the drain port 104, thus simplifying the maintenance process. The valve assembly enhances the control capability of the piping assembly, enabling the water purifier to maintain stable operation in different working modes.

[0045] like Figure 5 As shown, in addition to the features of the above embodiments, this embodiment further defines: the support assembly 2 includes a filter element support 21 and fixing plates 22. The filter element support 21 is disposed on the outer shell assembly 1 and located within the mounting cavity 101. There are multiple fixing plates 22, each disposed on the filter element support 21 and located on both sides of the filter element support 21. The pump assembly 3 is located in the space enclosed by the filter element support 21 and the multiple fixing plates 22. The filter element support 21, securely mounted on the outer shell assembly 1, provides stable support for the filter element assembly 4. Furthermore, the filter element support 21 provides a stable filtration environment for the filter element assembly 4. The multiple fixing plates 22 distributed on both sides of the filter element support 21 further strengthen the structure, thereby extending the product's service life. The pump assembly 3, located in the space enclosed by the filter element support 21 and the multiple fixing plates 22, fully utilizes the internal space of the water purifier, making the overall structure more compact.

[0046] like Figure 6As shown, in addition to the features of the above embodiments, this embodiment further defines the filter element support 21 as follows: the filter element support 21 includes a first support 211, a second support 212, and a connecting frame 213. Both the first support 211 and the second support 212 are disposed on the outer casing assembly 1, extending along the height direction of the outer casing assembly 1. The first support 211 has a first receiving cavity 201, and the second support 212 has a second receiving cavity 202. The connecting frame 213 is connected to both the first support 211 and the second support 212, and the fixing plate 22 is connected to both the first support 211 and the second support 212. The connection of the connecting frame 213 to the first support 211 and the second support 212 enhances the overall stability of the filter element support 21, preventing deformation or damage during use. The connection of the fixing plate 22 to the first support 211 and the second support 212 further strengthens the structural strength of the support assembly 2. This design helps optimize the spatial layout of the water purifier, making the overall structure of the water purifier more compact and aesthetically pleasing.

[0047] like Figure 7 As shown, in addition to the features of the above embodiments, this embodiment further specifies that: the fixing plate 22 includes a fixing plate 221 and a limiting block 222. The fixing plate 221 is disposed on the filter element bracket 21, and the limiting block 222 is disposed on the fixing plate 221 and located on the side of the fixing plate 221 facing the pump body assembly 3. The side of the limiting block 222 facing the pump body assembly 3 forms an arc-shaped surface. The fixing plate 221 provides stable support for the limiting block 222. The arc-shaped surface makes the limiting block 222 more compatible with the pump body assembly 3, avoiding collision between the limiting block 222 and the pump body assembly 3 during disassembly and assembly, thus preventing damage.

[0048] like Figure 5 and Figure 7 As shown, in addition to the features of the above embodiments, this embodiment further specifies that the fixing plate 22 has an arc-shaped surface on the side facing the pump body assembly 3. The arc-shaped surface on the side of the fixing plate 22 facing the pump body assembly 3 helps protect the pump body assembly 3 and extend its service life. The arc-shaped surface also facilitates a tight fit between the fixing plate 22 and the pump body assembly 3, enhancing the stability between them.

[0049] like Figure 6As shown, in addition to the features of the above embodiments, this embodiment further specifies that the filter element support 21 is in the shape of an "I" or an inverted "U". By making the filter element support 21 in the shape of an "I" or "U", the structural design of the filter element support 21 is more reasonable, allowing the lower space of the filter element support 21 to be used for assembling other components of the water purifier, thus making the overall structure of the water purifier more compact and miniaturized. Furthermore, this gives the filter element support 21 higher structural strength and stability, enabling it to withstand greater pressure and impact.

[0050] like Figure 2 and Figure 3 As shown, in addition to the features of the above embodiments, this embodiment further specifies that the pump body assembly 3 is connected to the fixing plate 22. The connection between the pump body assembly 3 and the fixing plate 22 enhances the stability of the pump body assembly 3 and prevents displacement during use. Furthermore, the connection method is simple and assembly is easy.

[0051] like Figure 2 and Figure 3 As shown, in addition to the features of the above embodiments, this embodiment further includes a wrench assembly 6, which is disposed on the filter element assembly 4. By having the wrench assembly 6 disposed on the filter element assembly 4, the user does not need to search for or prepare a wrench when replacing the filter element, and can replace the filter element at any time, making filter element replacement simpler and more convenient. This design reduces the time and effort required by the user during maintenance and improves the user experience.

[0052] like Figure 8 As shown, in addition to the features of the above embodiments, this embodiment further defines the following: the wrench assembly 6 includes a locking part 61, a grip part 62, and a wrench part 63. The locking part 61 and the wrench part 63 are both disposed on the grip part 62 and located at opposite ends of the grip part 62. The wrench part 63 is disposed on the filter element assembly 4 and is adaptable to the filter element assembly 4. The locking part 61 is used to clamp a portion of the filter element assembly 4. Because the locking part 61 and the wrench part 63 of the wrench assembly 6 are located at opposite ends of the grip part 62, the user can easily grip the grip part 62 and use the wrench part 63 to replace the filter element. The locking part 61 is used to clamp the filter element in the filter element assembly 4, allowing the user to easily disassemble and install the filter element without using other tools, greatly simplifying the replacement process.

[0053] like Figure 4As shown, in addition to the features of the above embodiments, this embodiment further defines: the filter cartridge assembly 4 includes a filter cartridge 41 and a filter cartridge body. The filter cartridge 41 is disposed on the support assembly 2 and located within the first receiving cavity 201 and / or the second receiving cavity 202. The filter cartridge body is disposed on the filter cartridge 41 and located inside the filter cartridge 41. It also includes a wrench assembly 6, which is adaptable to the filter cartridge 41 and can extract the filter cartridge body. The filter cartridge 41 serves as an external support structure, providing stable support and protection for the filter cartridge body, ensuring that the filter cartridge body is not easily damaged during use. The combined arrangement of the filter cartridge 41 and the filter cartridge body enables the filter cartridge assembly 4 to efficiently remove impurities and contaminants from the water.

[0054] like Figure 9 and Figure 10 As shown, in addition to the features of the above embodiments, this embodiment further defines: the outer shell assembly 1 includes a top shell 11, a protective shell 12, a bottom shell 13, and a connector plate 14. The top shell 11 and the bottom shell 13 are both disposed on the protective shell 12 and located at both ends of the protective shell 12. The connector plate 14 is disposed on the protective shell 12 and has the water inlet 102 and the water outlet 103, as well as a drain outlet 104. The top shell 11 and the bottom shell 13, respectively disposed at both ends of the protective shell 12, form a closed shell structure, enhancing the structural stability of the entire water purifier. Furthermore, it provides sufficient strength and rigidity to protect the internal components of the water purifier from the influence of the external environment. The drain outlet 104 on the connector plate 14 allows users to easily perform draining operations, promptly cleaning impurities and dirt inside the water purifier.

[0055] The above embodiments only illustrate several implementation methods of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A water purifier characterized by comprising: The utility model relates to a filter device, including: A shell assembly (1) is equipped with installation cavity (101), the shell assembly (1) is equipped with water inlet (102) and water outlet (103); Support assembly (2) is arranged on the shell assembly (1) and is located in the installation cavity (101), the support assembly (2) is equipped with with first containing cavity (201) of water inlet (102) intercommunication, the support assembly (2) is equipped with with second containing cavity (202) of water outlet (103) intercommunication; Pump body assembly (3) is arranged on the support assembly (2) and / or the shell assembly (1), and the pump body assembly (3) is communicated with the first containing cavity (201) and the second containing cavity (202) respectively; Filter core assembly (4) is arranged on the support assembly (2) and is located in the first containing cavity (201) and / or the second containing cavity (202); The number of filter core assembly (4) is multiple, and multiple filter core assembly (4) is located in the first containing cavity (201) and the second containing cavity (202) respectively; The support assembly (2) is arranged around the pump body assembly (3).

2. The water purifier according to claim 1, wherein It also includes an electric control board (5) arranged on the support assembly (2) and / or the shell assembly (1), and the electric control board (5) is electrically connected with the pump body assembly (3).

3. The water purifier according to claim 1, wherein It also includes a pipeline assembly and a valve body assembly, the pipeline assembly includes a first pipeline, a second pipeline, a third pipeline, a fourth pipeline and a fifth pipeline, the first containing cavity (201) and the water inlet (102) are communicated by the first pipeline, the first containing cavity (201) and the pump body assembly (3) are communicated by the second pipeline, the pump body assembly (3) and the second containing cavity (202) are communicated by the third pipeline, the second containing cavity (202) and the water outlet (103) are communicated by the fourth pipeline, the shell assembly (1) is equipped with sewage outlet (104), the second containing cavity (202) and the sewage outlet (104) are communicated by the fifth pipeline, and the valve body assembly is arranged on the pipeline assembly.

4. The water purifier according to claim 1, wherein The support assembly (2) includes a filter core support (21) and a fixing plate (22), the filter core support (21) is arranged on the shell assembly (1) and located in the installation cavity (101), the number of fixing plate (22) is multiple, multiple fixing plate (22) are arranged on the filter core support (21) and are located at both sides of the filter core support (21) respectively, and the pump body assembly (3) is located at the space formed by the filter core support (21) and multiple fixing plate (22).

5. The water purifier according to claim 4, wherein The filter element support (21) includes a first support (211), a second support (212), and a connecting frame (213). The first support (211) and the second support (212) are both disposed on the outer shell assembly (1). The first support (211) and the second support (212) extend along the height direction of the outer shell assembly (1). The first support (211) is provided with a first receiving cavity (201), and the second support (212) is provided with a second receiving cavity (202). The connecting frame (213) is connected to the first support (211) and the second support (212) respectively. The fixing plate (22) is connected to the first support (211) and the second support (212) respectively.

6. The water purifier according to claim 4, characterized in that, The fixing plate (22) includes a fixing plate (221) and a limiting block (222). The fixing plate (221) is disposed on the filter element bracket (21). The limiting block (222) is disposed on the fixing plate (221) and located on the side of the fixing plate (221) facing the pump body assembly (3). The side of the limiting block (222) facing the pump body assembly (3) forms an arc-shaped surface. And / or the fixing plate (22) forms an arc-shaped surface on the side facing the pump body assembly (3); And / or the filter element support (21) is in the shape of an "I" or the filter element support (21) is in the shape of an inverted "U"; And / or the pump body assembly (3) is connected to the fixing plate (22).

7. The water purifier according to claim 1, wherein It also includes a wrench assembly (6) disposed on the filter element assembly (4).

8. The water purifier according to claim 7, wherein The wrench assembly (6) includes a locking part (61), a grip part (62), and a wrench part (63). The locking part (61) and the wrench part (63) are both disposed on the grip part (62) and are respectively located at both ends of the grip part (62). The wrench part (63) is disposed on the filter element assembly (4) and can be adapted to the filter element assembly (4). The locking part (61) is used to clamp a part of the filter element assembly (4).

9. The water purifier according to claim 1, wherein The filter element assembly (4) includes a filter cartridge (41) and a filter element body. The filter cartridge (41) is disposed on the support assembly (2) and located in the first receiving cavity (201) and / or the second receiving cavity (202). The filter element body is disposed on the filter cartridge (41) and located inside the filter cartridge (41). The assembly also includes a wrench assembly (6), which is compatible with the filter cartridge (41) and can extract the filter element body.

10. The water purifier according to claim 1, wherein The shell assembly (1) comprises a top shell (11), a protective shell (12), a bottom shell (13) and a joint plate (14), the top shell (11) and the bottom shell (13) are arranged on the protective shell (12) and located at both ends of the protective shell (12), and the joint plate (14) is arranged on the protective shell (12), the joint plate (14) is provided with the water inlet (102) and the water outlet (103), and the joint plate (14) is provided with a blowdown port (104).

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