A portable water purifier

Abstract

This application discloses a portable water purifier, including a casing and a middle frame assembly housed within the casing. A handle is provided on the top of the casing for easier handling and carrying. The middle frame assembly includes a middle frame, a wastewater valve, a three-way solenoid valve, and a water pump. The middle frame has a receiving cavity and a purified water tank. A raw water tank is installed within the receiving cavity. Because the raw water tank is installed within the receiving cavity, it is less likely to fall off during transport, providing more reliable fixation compared to traditional countertop water purifiers. The outlet of the raw water tank is connected to a filter assembly via a booster pump. The wastewater outlet of the filter assembly is connected to the inlet of the raw water tank via a wastewater valve. The purified water outlet of the filter assembly is connected to the purified water tank. The purified water tank is connected to the inlet of the three-way solenoid valve via the water pump. The first outlet of the three-way solenoid valve is connected to the water outlet assembly. This utility model provides a portable water purifier that is compact and easy to carry.

Description

Technical Field

[0001] This utility model relates to the field of water dispenser technology, and more specifically to a portable water purifier. Background Technology

[0002] As consumers become more health-conscious, their demands for drinking water quality are also increasing, making water purifiers increasingly popular. Water purifiers can be categorized into countertop, under-sink, and floor-standing models. However, traditional water purifiers are bulky and inconvenient to carry, generally only suitable for use in homes or offices where a fixed location is available, and not for outdoor use. Furthermore, most water purifiers on the market lack charging capabilities, limiting their use to indoor or outdoor environments without a fixed power source, thus failing to meet users' water needs in outdoor, travel, or emergency situations.

[0003] Existing technology CN220899633U discloses a dual-filter water purifier, including a battery pack housed inside the casing, a USB interface on the surface of the casing electrically connected to the battery pack, a discharge wire on the side of the casing electrically connected to the battery pack, allowing discharge of power from the battery pack, and a water tank inside the casing with its outlet connected to a dual-filter structure. While this prior art allows the entire device to be powered outdoors via the battery pack, it is cumbersome to move and inconvenient to carry. Utility Model Content

[0004] In order to overcome the above-mentioned shortcomings of the prior art, this utility model provides a portable water purifier that is small in size, easy to carry, and suitable for home, outdoor and vehicle scenarios.

[0005] The technical solution adopted by this utility model to solve its technical problem is: a portable water purifier, including a casing and a middle frame assembly disposed inside the casing, and a handle is provided on the top of the casing, making the product more convenient to move and carry.

[0006] The middle frame assembly includes a middle frame, a wastewater valve, a three-way solenoid valve, and a water pump. The middle frame has a receiving cavity and a clean water tank. The raw water tank is installed in the receiving cavity. Since the raw water tank is installed in the receiving cavity, it is not easy for the raw water tank to fall off during product transportation. Compared with traditional countertop water purifiers, the raw water tank is more reliably fixed.

[0007] The outlet of the raw water tank is connected to the filter element assembly via a booster pump. The wastewater outlet of the filter element assembly is connected to the inlet of the raw water tank via a wastewater valve. The pure water outlet of the filter element assembly is connected to the purified water tank. The purified water tank is connected to the inlet of a three-way solenoid valve via a water pump. The first outlet of the three-way solenoid valve is connected to the outlet assembly.

[0008] This technical solution provides a portable water purifier that overcomes the shortcomings of traditional countertop water purifiers that are inconvenient to carry. By setting up a handle and placing the raw water tank inside the casing, the product is more convenient to carry and can be used in various scenarios such as home, outdoors and in the car, thus having a wider range of applications.

[0009] In a preferred embodiment, the housing includes a front housing assembly, which comprises a control panel, a water outlet assembly, a front housing, a main controller, and a water circuit board. The front housing has a filter cartridge mounting slot and a water intake area. The filter cartridge assembly is located in the filter cartridge mounting slot, and a filter cartridge cover is fitted over the filter cartridge mounting slot. The water circuit board is located on the back of the filter cartridge mounting slot and is connected to the filter cartridge assembly. The filter cartridge assembly is connected to a booster pump, a wastewater valve, and a clean water tank via the water circuit board. The water outlet assembly is located above the water outlet area, and the main controller is located on the back of the water outlet area. The main controller is electrically connected to the control panel, the booster pump, the wastewater valve, the water pump, and the three-way solenoid valve.

[0010] In this technology, the filter element assembly is connected to the booster pump, wastewater valve and clean water tank separately using a water circuit board, which reduces the number of connecting pipes and fittings and reduces the probability of leakage. At the same time, the filter element assembly is located in the filter element installation slot, and the filter element assembly can be replaced by opening the filter element cover, making it more convenient to install and remove the filter element assembly.

[0011] In a preferred embodiment, a refrigeration module is also provided inside the casing. One end of the refrigeration module is connected to the second outlet of a three-way solenoid valve, and the other end is connected to the water outlet assembly. The refrigeration module is electrically connected to the main controller. This technology, by setting up a refrigeration module, can cool the filtered pure water, realize the product's refrigeration function, and meet the user's demand for chilled water.

[0012] In a preferred embodiment, the housing includes a heating module, one end of which is connected to the first outlet of a three-way solenoid valve and the other end to a water outlet assembly. The heating module is electrically connected to the main controller and is located on the front housing. This technology, by incorporating a heating module, can heat the filtered pure water to meet the user's demand for hot water.

[0013] In a preferred embodiment, the top of the casing has a recess, and a handle is disposed within the recess. This handle design makes the product easier to handle and carry; users can lift the product with just one hand, making it more convenient to carry compared to traditional countertop water purifiers.

[0014] In a preferred embodiment, the handle includes a pivot and a handle body. The handle body is mounted on a handle bracket via the pivot, and the handle bracket is installed inside the casing and located between the middle frame and the front casing. In this design, the handle is mounted on the handle bracket, allowing the entire machine to move when the user lifts the handle. Compared to mounting the handle directly on the top cover, this design provides a more robust and stable structure, making it less prone to damage.

[0015] In a preferred embodiment, the top of the raw water tank is covered with a raw water tank cover, and a stepped groove is provided on the top cover of the casing. The raw water tank cover is fitted into the stepped groove. While closing and sealing the raw water tank, the raw water tank cover can be easily opened by the user to add water to the raw water tank because it is located on the top cover. The top of the purified water tank is covered with a purified water tank cover to seal the purified water tank.

[0016] In a preferred embodiment, the top of the water tank is provided with a water tank handle.

[0017] This technology allows for easy removal of the raw water tank by installing a handle on the top of the tank, making it more convenient to use.

[0018] In a preferred embodiment, a battery is also housed inside the casing, and the battery is electrically connected to the main controller. This internal battery design allows the product to be used anywhere without location restrictions, thus meeting users' outdoor water production needs.

[0019] In a preferred embodiment, the front cover is provided with a battery charging port and a USB port, which are electrically connected to the battery.

[0020] In this technology, the front cover is equipped with a battery charging port and a USB port. Users can connect the battery charging port to the municipal power grid to charge the battery, and can also charge electronic devices such as mobile phones and tablets through the USB port, meeting users' charging needs and making it more convenient to use.

[0021] As can be seen from the above technical solution, compared with the prior art, the beneficial effects of this utility model are: the portable water purifier provided by this utility model overcomes the shortcomings of traditional tabletop water purifiers that are inconvenient to carry. By setting a handle and placing the raw water tank inside the casing, the product is more convenient to carry and can be used in various scenarios such as home, outdoors and in the car, with a wider range of applications.

[0022] In addition, the aforementioned portable water purifier can also have a battery installed inside the casing, making the product unrestricted in terms of location and usable anywhere. It can also use the battery to charge electronic devices such as mobile phones and tablets, making it more convenient for users.

[0023] In addition, other advantages of this invention will be set forth in the description which follows, in part will be obvious from the description, or may be learned by practice of this invention. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0025] Figure 1 This is a schematic diagram of the structure of the portable water purifier of this utility model;

[0026] Figure 2 This is an exploded view of the portable water purifier of this utility model;

[0027] Figure 3 This is a structural schematic diagram of the middle frame assembly of this utility model;

[0028] Figure 4 This is a schematic diagram of the front shell assembly of this utility model;

[0029] Figure 5 This is a schematic diagram of the handle of this utility model;

[0030] Figure 6 This is a schematic diagram of the water circuit of the portable water purifier of this utility model;

[0031] Figure 7 This is another exploded structural diagram of the portable water purifier of this utility model;

[0032] Figure 8 This is another structural schematic diagram of the front shell assembly of this utility model;

[0033] Figure 9 This is another water circuit schematic diagram of the portable water purifier of this utility model;

[0034] Explanation of reference numerals in the attached drawings: 100, Portable water purifier; 200, Middle frame assembly; 300, Front shell assembly; 1, Raw water tank cover; 2, Handle; 201, Rotary shaft; 202, Handle body; 3, Groove; 4, Battery charging port; 5, Filter cover; 6, USB port; 7, Water dispensing area; 8, Top cover; 9, Water tank handle; 10, Raw water tank; 11, Side shell; 12, Pressure plate; 13, Battery; 14, Handle bracket; 1 5. Filter cartridge assembly; 16. Booster pump; 17. Lower housing; 18. Three-way solenoid valve; 19. Refrigeration module; 20. Control panel; 21. Water outlet assembly; 22. Front housing; 221. Filter cartridge mounting slot; 23. Main controller; 24. Water circuit board; 25. Middle frame; 251. Receiving cavity; 252. Clean water tank; 26. Inlet valve assembly; 27. Wastewater valve; 28. Water pump; 29. ​​Clean water tank cover; 30. Heating module. Detailed Implementation

[0035] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0036] In the description of this utility model, it should be understood that the terms "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this utility model. Furthermore, in the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0037] Reference Figure 1-9 A portable water purifier 100 is described according to an embodiment of the present utility model.

[0038] In one embodiment, such as Figure 1-3 As shown, a portable water purifier 100 includes a housing and a middle frame assembly 200 disposed within the housing. A handle 2 is provided on the top of the housing, making the product more convenient to move and carry.

[0039] The middle frame assembly 200 includes a middle frame 25, a wastewater valve 27, a three-way solenoid valve 18, and a water pump 28. The middle frame 25 is provided with a receiving cavity 251 and a clean water tank 252. The raw water tank 10 is installed in the receiving cavity 251. Since the raw water tank 10 is installed in the receiving cavity 251, the raw water tank 10 is not easy to fall off during product carrying. Compared with traditional countertop water purifiers, the fixation of the raw water tank 10 is more reliable.

[0040] The outlet of the raw water tank 10 is connected to the filter element assembly 15 via the booster pump 16. The wastewater outlet of the filter element assembly 15 is connected to the inlet of the raw water tank 10 via the wastewater valve 27. The pure water outlet of the filter element assembly 15 is connected to the purified water tank 252. The purified water tank 252 is connected to the inlet of the three-way solenoid valve 18 via the water pump 28. The first outlet of the three-way solenoid valve 18 is connected to the water outlet assembly 21.

[0041] The casing includes components such as a top cover 8, side shells 11, a lower shell base 17, and a front shell assembly 300. The middle frame assembly 200 is located in the cavity formed by the above components. The middle frame assembly 200 also includes two water inlet valve assemblies 26, which are respectively connected to the water inlet and water outlet of the raw water tank 10. In specific implementation, the water inlet and water outlet of the raw water tank 10 can be located at the bottom of the raw water tank 10, and the water connection structure is simple.

[0042] like Figure 6 As shown, the working principle of the portable water purifier 100 is as follows: the tap water stored in the raw water tank 10 flows out from the outlet of the raw water tank 10 under the action of the booster pump 16, passes through the inlet valve assembly 26, and then passes through the filter element assembly 15 to produce pure water. The pure water is stored in the purified water tank 252. The wastewater generated flows into the raw water tank 10 from the inlet of the raw water tank 10 through the wastewater valve 27.

[0043] When a user needs to obtain room temperature water, the pure water stored in the water tank 252 flows out from the water outlet assembly 21 through the three-way solenoid valve 18 under the action of the water pump 28.

[0044] In the above embodiments, the raw water tank 10 of the portable water purifier 100 is located inside its body, which can better protect the raw water tank 10 and prevent it from falling off during vehicle transportation and carrying, making it more convenient to carry. At the same time, the portable water purifier is also equipped with a handle 2, so when carrying it, the user only needs to use one hand to lift and take the water purifier with him / her, which is more convenient to carry than the traditional countertop water purifier.

[0045] In this embodiment, as Figure 4 As shown, the housing includes a front housing assembly 300, which includes a control panel 20, a water outlet assembly 21, a front housing 22, a main controller 23, and a water circuit board 24.

[0046] The front housing 22 is provided with a filter element mounting groove 221 and a water intake area 7. The filter element assembly 15 is located in the filter element mounting groove 221, and the filter element cover 5 is closed on the filter element mounting groove 221. The water circuit plate 24 is located on the back of the filter element mounting groove 221 and is connected to the filter element assembly 15. The filter element assembly 15 is connected to the booster pump 16, the wastewater valve 27 and the clean water tank 252 through the water circuit plate 24.

[0047] The water outlet assembly 21 is located above the water outlet area 7, and the main controller 23 is located on the back of the water outlet area 7. The main controller 23 is electrically connected to the control panel 20, the booster pump 16, the wastewater valve 27, the water pump 28, and the three-way solenoid valve 18.

[0048] The lower end of the water outlet component 21 is connected to the water outlet hole on the top surface of the water outlet area 7 to achieve water outlet.

[0049] In the above embodiments, the filter element assembly 15 is connected to the booster pump 16, wastewater valve 27 and clean water tank 252 respectively via the water circuit board 24, which reduces the number of connecting pipes and fittings and reduces the probability of water leakage; at the same time, the filter element assembly 15 is located in the filter element installation slot 221, and the filter element assembly 15 can be replaced by opening the filter element cover 5, making it more convenient to install and remove the filter element assembly 15.

[0050] In this embodiment, a refrigeration module 19 is also provided inside the housing. One end of the refrigeration module 19 is connected to the second outlet of the three-way solenoid valve 18, and the other end is connected to the water outlet assembly 21. The refrigeration module 19 is electrically connected to the main controller 23.

[0051] The above embodiment, by setting the refrigeration module 19, can cool the filtered pure water, realize the product's refrigeration function, and meet the user's demand for ice water.

[0052] In the above embodiments, the working principle of the portable water purifier 100 is as follows: When the user needs room temperature water, the purified water stored in the water tank 252 flows out of the water outlet assembly 21 through the three-way solenoid valve 18 under the action of the water pump 28. When the user needs ice water, the purified water stored in the water tank 252 flows into the refrigeration module 19 for cooling under the action of the water pump 28, and then flows out of the water outlet assembly 21.

[0053] In practice, users can adjust the water volume, ice water temperature and other operating parameters of the portable water purifier through the control panel 20.

[0054] In this embodiment, as Figure 7-8 As shown, the housing includes a heating module 30, one end of which is connected to the first outlet of the three-way solenoid valve 18 and the other end is connected to the water outlet assembly 21; the heating module 30 is electrically connected to the main controller 23 and is located on the front housing 22.

[0055] The above embodiment, by setting the heating module 30, can heat the filtered pure water to meet the user's need for hot water.

[0056] like Figure 9 As shown, the working principle of the portable water purifier 100 in this embodiment is as follows:

[0057] When a user needs to take room temperature water, the pure water stored in the water tank 252 flows out from the water outlet component 21 through the three-way solenoid valve 18 and the heating module 30 under the action of the water pump 28. At this time, the heating module 30 does not start working.

[0058] When a user needs hot water, the heating module 30 starts working. The pure water stored in the water tank 252 is heated to the set temperature by the water pump 28, through the three-way solenoid valve 18 and the heating module 30, and then flows out from the water outlet component 21.

[0059] When a user needs to obtain ice water, the pure water stored in the water tank 252 is pumped by the water pump 28 and flows into the refrigeration module 19 through the three-way solenoid valve 18 for cooling, and then flows out from the water outlet component 21.

[0060] In practice, users can set the water volume, ice water temperature, hot water temperature, etc. through the control panel 20.

[0061] In the above embodiments, the portable water purifier 100 can be powered by an outdoor power bank or an outdoor energy storage device. When used outdoors, the portable water purifier 100 can be easily connected to the power bank or energy storage device.

[0062] The booster pump 16, wastewater valve 27, water pump 28, three-way solenoid valve 18, control module 20, heating module 30, and cooling module 19 are all electrically connected to the main controller 23. An outdoor power bank or outdoor energy storage device provides the portable water purifier 100 with the electrical power required for operation.

[0063] In this embodiment, the top of the housing is provided with a groove 3, and the handle 2 is provided in the groove 3.

[0064] The handle 2 has a retractable state and a lifted state. In the retractable state, it is completely placed in the groove 3, and in the lifted state, it is set vertically and extends out of the groove 3, making it more convenient to store.

[0065] The handle 2 in the above embodiment makes the product easier to move and carry. Users only need to use one hand to lift the product, which is more convenient to carry than traditional countertop water purifiers.

[0066] In this embodiment, as Figure 5 As shown, the handle 2 includes a pivot 201 and a handle body 202. The handle body 202 is mounted on the handle bracket 14 via the pivot 201. The handle bracket 14 is installed inside the housing and is located between the middle frame 25 and the front housing 22.

[0067] The handle body 202 rotates around the pivot 201, which can be a single pivot or two pivots symmetrically arranged at both ends of the handle body 202.

[0068] In one embodiment, the rotating shaft 201 can be fixed to the handle bracket 14 by the pressure plate 12 above it, thereby installing the handle 2 on the handle bracket 14; in another embodiment, the rotating shaft 201 can also be installed by connecting the shaft hole.

[0069] In the above embodiment, the handle 2 is installed on the handle bracket 14. When the user lifts the handle 2, the entire machine can be moved by the handle bracket 14. Compared with directly installing the handle 2 on the top cover 8, the structure of the handle 2 is more robust and stable and less prone to damage.

[0070] In this embodiment, the top of the raw water tank 10 is covered with a raw water tank cover 1, and a stepped groove is provided on the top cover 8 of the machine casing. The raw water tank cover 1 is snapped into the stepped groove. While closing and sealing the raw water tank 10, the raw water tank cover 1 is located on the top cover 8, which makes it convenient for the user to open it to add water to the raw water tank 10.

[0071] The top of the water tank 252 is covered with a water tank cover 29, which is used to seal the water tank 252.

[0072] In this embodiment, the top of the original water tank 10 is provided with a water tank handle 9.

[0073] The above embodiment allows for easy removal of the original water tank 10 by providing a water tank handle 9 on the top of the original water tank 10, making it more convenient to use.

[0074] The water tank handle 9 is rotatably mounted on the top of the original water tank 10, located below the original water tank cover 1; specifically, the water tank handle 9 is located in the inner cavity of the original water tank 10 when it is in the retracted state, and is vertically set and extends out of the original water tank 10 when it is lifted.

[0075] In this embodiment, a battery 13 is also provided inside the casing, and the battery 13 is electrically connected to the host controller 23.

[0076] The battery 13 provides the power required for the water purifier to operate, overcoming the limitations of its location. In specific implementations, the battery 13 can be located at the bottom of the handle bracket 14, or it can be located in other positions depending on the product design; this embodiment does not impose any restrictions on this.

[0077] In the above embodiment, a battery 13 is installed inside the device. The battery 13 allows the product to be used anywhere without being restricted by location, thus meeting the user's outdoor water production needs.

[0078] In this embodiment, the front cover 22 is provided with a battery charging port 4 and a USB port 6, which are electrically connected to the battery.

[0079] In the above embodiment, the front cover 22 is provided with a battery charging port 4 and a USB port 6. Users can connect the battery charging port 4 to the municipal power grid to charge the battery 13, and can also charge electronic devices such as mobile phones and tablets through the USB port 6, which meets the user's charging needs and makes it more convenient to use.

[0080] Other configurations and operations of the portable water purifier 100 according to embodiments of the present invention are known to those skilled in the art and will not be described in detail here.

[0081] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0082] In the description of this specification, references to the terms "embodiment," "specific embodiment," "example," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example that is included in at least one embodiment or example of the present invention.

[0083] In this specification, the illustrative expressions of the terms used do not necessarily refer to the same embodiments or examples. Moreover, the specific features, structures, materials, or characteristics described may be combined with each other in any suitable manner in one or more embodiments or examples without interference or contradiction.

Claims

1. A portable water purifier (100), characterized in that: Includes a housing and a mid-frame assembly (200) disposed within the housing, wherein a handle (2) is provided on the top of the housing; The middle frame assembly (200) includes a middle frame (25), a wastewater valve (27), a three-way solenoid valve (18), and a water pump (28). The middle frame (25) is provided with a receiving cavity (251) and a clean water tank (252). The raw water tank (10) is installed in the receiving cavity (251). The outlet of the raw water tank (10) is connected to the filter element assembly (15) via a booster pump (16). The wastewater outlet of the filter element assembly (15) is connected to the inlet of the raw water tank (10) via the wastewater valve (27). The pure water outlet of the filter element assembly (15) is connected to the purified water tank (252). The purified water tank (252) is connected to the inlet of the three-way solenoid valve (18) via the water pump (28). The first outlet of the three-way solenoid valve (18) is connected to the water outlet assembly (21).

2. The portable water purifier (100) according to claim 1, characterized in that: The housing includes a front housing assembly (300), which includes a control panel (20), the water outlet assembly (21), the front housing (22), the main controller (23), and the water circuit board (24). The front shell (22) is provided with a filter element mounting groove (221) and a water intake area (7). The filter element assembly (15) is located in the filter element mounting groove (221), and a filter element cover (5) is provided on the filter element mounting groove (221). The water circuit plate (24) is located on the back of the filter element mounting groove (221) and is connected to the filter element assembly (15). The filter element assembly (15) is connected to the booster pump (16), the wastewater valve (27) and the clean water tank (252) through the water circuit plate (24). The water outlet assembly (21) is located above the water outlet area (7), and the main controller (23) is located on the back of the water outlet area (7). The main controller (23) is electrically connected to the control panel (20), the booster pump (16), the wastewater valve (27), the water pump (28), and the three-way solenoid valve (18).

3. The portable water purifier (100) according to claim 2, characterized in that: The housing is also equipped with a refrigeration module (19), one end of which is connected to the second outlet of the three-way solenoid valve (18), and the other end is connected to the water outlet assembly (21); the refrigeration module (19) is electrically connected to the host controller (23).

4. The portable water purifier (100) according to claim 3, characterized in that: The housing includes a heating module (30), one end of which is connected to the first outlet of the three-way solenoid valve (18) and the other end is connected to the water outlet assembly (21); The heating module (30) is electrically connected to the host controller (23), and the heating module (30) is disposed on the front shell (22).

5. The portable water purifier (100) according to claim 1, characterized in that: The top of the housing is provided with a groove (3), and the handle (2) is provided in the groove (3).

6. The portable water purifier (100) according to claim 5, characterized in that: The handle (2) includes a pivot (201) and a handle body (202). The handle body (202) is mounted on the handle bracket (14) via the pivot (201). The handle bracket (14) is mounted inside the housing and located between the middle frame (25) and the front shell (22).

7. The portable water purifier (100) as claimed in claim 1, wherein: The top of the raw water tank (10) is covered with a raw water tank cover (1), and a stepped groove is provided on the top cover (8) of the machine casing. The raw water tank cover (1) is fitted into the stepped groove. The top of the purified water tank (252) is covered with a purified water tank cover (29).

8. The portable water purifier (100) according to claim 7, characterized in that: The top of the raw water tank (10) is provided with a water tank handle (9).

9. The portable water purifier (100) according to any one of claims 1 to 8, characterized in that: The casing is also equipped with a battery (13), which is electrically connected to the host controller (23).

10. The portable water purifier (100) according to claim 9, characterized in that: The front cover (22) is provided with a battery charging port (4) and a USB port (6), which are electrically connected to the battery.

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