Portable water purifier

Abstract

The utility model relates to the field of water purifiers, in particular to a portable water purifier which comprises an inlet water filtering mechanism, a first filtering mechanism and a UV (ultraviolet) sterilization mechanism, the inlet water filtering mechanism is connected with a water inlet of the first filtering mechanism, and the UV sterilization mechanism is connected with a water outlet of the first filtering mechanism; the first filtering mechanism comprises a first machine shell, a blocking piece is arranged in the first machine shell, the blocking piece enables the interior of the first machine shell to form a first cavity and a second cavity, the lower portions of the first cavity and the second cavity are communicated, a first water purifying assembly is arranged in the second cavity, and a manual pump is arranged in the first cavity; and the top of the manual pump is located above the first machine shell, a water inlet of the first filtering mechanism is formed in one side of the first machine shell and located below the first cavity, and a water outlet of the first filtering mechanism is formed in a water outlet end cover at the top of the first machine shell. The water purifier has the characteristics of good water purification effect, convenience in carrying, simplicity in operation and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of water purifier, concretely relates to a portable water purifier, and especially suitable for water purification treatment in the field. BACKGROUND

[0002] Now more and people like field activity, such as camping, mountain climbing, picnic, self-driving tour etc., and the most need to consider in field activity is the carrying of drinking water, and people can carry enough water for short-term field activity, but for long-term field activity, people can not meet daily drinking water, cooking water and washing water etc. by carrying water alone, and the best method is to take water in the field and purify.

[0003] At present, portable water purifier is suitable for field, and the filter body and plunger pump combined with filter membrane are set to achieve the purpose of filtering water, but the water purifier cannot filter bacteria, microorganism, heavy metal etc. in water, and the water purification effect is poor.

[0004] Therefore, the present application provides a portable water purifier to solve the above technical problems. UTILITY MODEL CONTENT

[0005] The utility model discloses a portable water purifier, which is suitable for two conditions, and is provided with a water inlet filter mechanism, a first filter mechanism and a UV sterilization mechanism connected in sequence to constitute a water purifier under good water purification conditions, and is provided with a water inlet filter mechanism, a first filter mechanism, a second filter mechanism and a UV sterilization mechanism connected in sequence to constitute a water purifier under poor water purification conditions, so that the optimal water purifier is set according to the water purification conditions, the quality of purified water can meet the requirements of drinking water, and cost can be saved, and the waste of filter components is avoided.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] The utility model provides a portable water purifier, which comprises a water inlet filter mechanism, a first filter mechanism and a UV sterilization mechanism, the water inlet filter mechanism is connected with the water inlet of the first filter mechanism, and the UV sterilization mechanism is connected with the water outlet of the first filter mechanism.

[0008] The first filtering mechanism comprises a first casing, a barrier is arranged in the first casing, the barrier divides the first casing into a first chamber and a second chamber which are in communication with each other, a first water purification assembly is arranged in the second chamber, a hand pump is arranged in the first chamber, the top of the hand pump is above the first casing, a water inlet of the first filtering mechanism is arranged on one side of the first casing and below the first chamber, and a water outlet of the first filtering mechanism is arranged on a water outlet end cover at the top of the first casing and on the side opposite to the water inlet of the first filtering mechanism.

[0009] Further, a first valve seat for mounting a high-pressure valve and a water suction valve is arranged in the water inlet of the first filtering mechanism and at the bottom of the barrier, and the water suction valve is closer to the water inlet of the first filtering mechanism than the high-pressure valve.

[0010] Further, a second valve seat for mounting a pressure relief valve is arranged on one side of the second chamber at the inner bottom of the first casing, and the pressure relief valve is arranged opposite to the high-pressure valve.

[0011] Further, the hand pump is a piston pump, a handle is arranged on the top of the piston rod of the piston pump, and the handle is above the first casing.

[0012] Further, the first water purification assembly comprises a filter material casing, a ceramic composite filter core is arranged in the filter material casing, the ceramic composite filter core is wrapped with activated carbon fiber and KDF copper-zinc alloy which are arranged alternately, an end cover is connected to the top of the filter material casing, polyiodide resin filter material is arranged in the end cover, non-woven fabric is arranged on the top and the bottom of the polyiodide resin filter material, and a 0-shaped sealing ring is arranged on the top of the end cover and in contact with the water outlet end cover.

[0013] The water inlet filtering mechanism comprises a hose, a water inlet connector is connected to one end of the hose, and the other end of the hose is connected to the steel mesh filtering assembly through a connecting piece.

[0014] Further, the water purifier further comprises a first base and a first top cover, the structure of the first base is matched with the structure of the bottom of the first casing, the water inlet filtering mechanism is connected to the water inlet of the first filtering mechanism through the first base, and the UV sterilization mechanism is connected to the water outlet on the water outlet end cover through the first top cover.

[0015] Further, a limiting plug for limiting the movement distance of the piston rod is arranged on the inner wall of the first chamber, and the upper surface of the first top cover is provided with a structure matched with the lower surface of the handle, and when the piston rod moves to the lower limit, the handle is in contact with the upper surface of the first top cover.

[0016] Further, the water purifier further comprises a second filtering mechanism, which is connected between the first filtering mechanism and the UV sterilization mechanism.

[0017] The second filtering mechanism comprises a second casing, a second water purification assembly, a UV-LED assembly and a battery assembly, the inside of the second casing is composed of a first part, a second part and a third part, the first part is composed of a first space and a second space in communication, the second part is in communication with the first part and is located at the top end of the first space, the third part is located at the top end of the second part, the second water purification assembly is located in the first space, the UV-LED assembly is located in the second part, and the battery assembly is located in the third part.

[0018] The UV-LED assembly and the battery assembly are electrically connected.

[0019] Further, the first space is between the outer wall of the second part and the third part and the inner wall of the second casing, the outer wall of the second casing is provided with a first hollow plug in communication with the first space, the water outlet of the first filtering mechanism is connected with the first hollow plug, the outer wall of the second casing is provided with a water outlet in communication with the second part, and the water outlet of the second filtering mechanism is connected with the plug of the UV sterilization mechanism.

[0020] Further, the water purifier further comprises a second base and a second top cover, the structure of the second base is matched with the bottom structure after the first casing and the second filtering mechanism are connected, and the water inlet filtering mechanism passes through the second base and is connected with the water inlet of the first filtering mechanism; the second top cover is connected to the water outlet end cover and the second filtering mechanism, and the UV sterilization mechanism passes through the second top cover and is connected with the water outlet of the second filtering mechanism.

[0021] Compared with the prior art, the water purifier has the following beneficial effects:

[0022] 1) The portable water purifier comprises a first filtering mechanism and a water inlet filtering mechanism connected with the first filtering mechanism, the first filtering mechanism has independent working capability in the field, and adopts a manual pump, a ceramic composite filter element, activated carbon fiber, KDF copper-zinc alloy and polyiodine resin filter material, wherein the water inlet filtering mechanism is used for filtering out larger impurities such as branches, weeds, large-particle silt, aquatic organisms, hair and the like; the ceramic composite filter element is suitable for impact treatment of high-turbidity water to be purified; the post-activated carbon fiber is used for filtering and adsorbing and removing organic pollutants such as heavy metals, detergents and pesticides, and peculiar smell and color, and the post-KDF copper-zinc alloy is used for removing soluble heavy metal ions such as lead, mercury, copper, nickel, cadmium, arsenic and antimony in water, and the post-polyiodine resin filter material realizes broad-spectrum sterilization and disinfection of drinking water, and the water outlet is used for drinking, the portable water purifier has the characteristics of good water purification effect, small size, convenient carrying and simple operation.

[0023] 2) The utility model provides a portable water purifier, the water purifier still is provided with second filter mechanism, it is used for assisting and matching on the basis of first filter mechanism realizes to the water that has been purified carries out depth treatment, adopts ultrafiltration membrane filter core and UV-LED component, can remove microorganism, makes water quality further improve, and the security guarantee nature is higher, and UV-LED component energy -conserving nature is good. BRIEF DESCRIPTION OF DRAWINGS

[0024] The accompanying drawings incorporated in and forming a part of the specification, illustrate the principles of the utility model and are included for a better understanding of the utility model.

[0025] In order to more clearly illustrate the utility model embodiment or prior art in the technical scheme, below will to the embodiment or prior art description needed to use the drawing makes a simple introduction, obviously, for those of ordinary skill in the art, without incurring creative labor, can also according to these drawings obtain other drawings.

[0026] Figure 1 It is the structural schematic diagram of a portable water purifier of the utility model;

[0027] Figure 2 It is the structural schematic diagram of the first filter mechanism of a portable water purifier of the utility model;

[0028] Figure 3 It is the structural schematic diagram of the first water purification component of the first filter mechanism of the utility model;

[0029] Figure 4 It is the structural schematic diagram of the water inlet filter mechanism of the portable water purifier of the utility model;

[0030] Figure 5 It is the structural schematic diagram of another portable water purifier of the utility model;

[0031] Figure 6 It is the structural schematic diagram of the second filter mechanism of another portable water purifier of the utility model;

[0032] Figure 7 It is the structural schematic diagram of the second base of another portable water purifier of the utility model;

[0033] Figure 8 It is the connection schematic diagram of UV-LED component and battery component of another portable water purifier of the utility model.

[0034] Wherein: 1 is water inlet filter mechanism;11 is hose;12 is water inlet connector;13 is connecting piece;14 is steel mesh filter component;

[0035] 2 is a first filtering mechanism; 20 is a water outlet end cover; 21 is a first casing; 22 is a blocking piece; 23 is a first water purification assembly; 24 is a manual pump; 25 is a high-pressure valve; 26 is a water suction valve; 27 is a pressure relief valve; 28 is a connecting hole; 29 is a limiting plug;

[0036] 23 is a first water purification assembly; 231 is a filter material shell; 232 is a ceramic composite filter core; 233 is non-woven fabric; 234 is an end cover; 235 is a 0-shaped sealing ring;

[0037] 24 is a manual pump; 241 is a handle;

[0038] 3 is a UV sterilization mechanism;

[0039] 4 is a second filtering mechanism; 41 is a second casing; 42 is a second water purification assembly; 43 is a UV-LED assembly; 44 is a battery assembly; 45 is a plug;

[0040] 41 is a second casing; 411 is a first part; 412 is a second part; 413 is a third part; 414 is a first hollow plug;

[0041] 42 is a second water purification assembly; 421 is a membrane shell; 422 is an ultrafiltration membrane filter core;

[0042] 5-1 is a first top cover; 5-2 is a second top cover; 6-1 is a first base; 6-2 is a second base. DETAILED DESCRIPTION

[0043] Hereinafter, exemplary embodiments will be described in detail with reference to the accompanying drawings. The embodiments described in the following exemplary embodiments do not represent all the aspects of the present application but are merely examples in accordance with some aspects of the present application described in the appended claims.

[0044] Embodiment 1

[0045] Please refer to Figures 1-4 The portable water purifier provided by the embodiment of the present application comprises a water inlet filtering mechanism 1, a first filtering mechanism 2 and a UV sterilization mechanism 3, the water inlet filtering mechanism 1 is connected with a water inlet of the first filtering mechanism 2, the UV sterilization mechanism 3 is connected with a water outlet of the first filtering mechanism 2, and the water outlet of the UV sterilization mechanism 3 is connected with a water outlet pipe;

[0046] The first filtration mechanism 2 includes a first housing 21, inside which a barrier 22 is provided, forming a first chamber and a second chamber connected at the bottom inside the first housing 21. A first water purification component 23 is provided in the second chamber, and a manual pump 24 is provided in the first chamber, with the top of the manual pump 24 located above the first housing 21. The inlet of the first filtration mechanism 2 is located on one side of the first housing 21 and below the first chamber. The outlet of the first filtration mechanism 2 is located on the outlet end cap 20 on the top of the first housing 21 and is located on the opposite side of the inlet of the first filtration mechanism 2. When the manual pump 24 operates, it introduces the water to be purified into the first housing 21 through the inlet of the water inlet filtration mechanism 1 and the inlet of the first filtration mechanism 2 for purification, and then discharges the purified water from the outlet of the first filtration mechanism 2 after being disinfected by the UV sterilization mechanism 3. Specifically, the UV sterilization mechanism 3 is a UV sterilizer; the lower part of the first housing 21 is provided with a connection hole 28.

[0047] like Figure 2 As shown, a first valve seat for installing a high-pressure valve 25 and a suction valve 26 is provided inside the water inlet of the first filter mechanism 2 and at the bottom of the barrier 22. The suction valve 26 is closer to the water inlet of the first filter mechanism 2 than the high-pressure valve 25.

[0048] Furthermore, a second valve seat is provided at the inner bottom of the first housing 21, on one side of the second chamber, for installing a pressure relief valve 27, which is positioned opposite to the high-pressure valve 25.

[0049] Furthermore, the manual pump 24 is a piston pump, and the piston rod of the piston pump is provided with a handle 241 at the top. The handle 241 is located above the first housing 21 to facilitate the pulling operation of the piston pump.

[0050] like Figure 3 As shown, the first water purification component 23 includes a filter media housing 231, inside which a ceramic composite filter element 232 is disposed. The ceramic composite filter element 232 is wrapped with alternating activated carbon fibers and KDF copper-zinc alloy. It also includes an end cap 234 covering the top of the filter media housing 231. Polyiodine resin filter media is disposed inside the end cap 234, and non-woven fabric 233 is provided at the top and bottom of the polyiodine resin filter media. An O-ring 235 is provided at the top of the end cap 234 to contact the water outlet end cap 20.

[0051] like Figure 4 As shown, the water inlet filtration mechanism 1 includes a hose 11, one end of which is connected to a water inlet connector 12, and the other end is connected to a steel mesh filter assembly 14 via a connector 13. Specifically, the water inlet connector 12 is threadedly connected to the water inlet of the first filtration mechanism 2, and the steel mesh filter assembly 14 is composed of multiple filter steel meshes.

[0052] Further, the water purifier further comprises a first base 6-1 and a first top cover 5-1, the structure of the first base 6-1 is matched with the bottom structure of the first shell 21, the water inlet filtering mechanism 1 is connected with the water inlet of the first filtering mechanism 2 through the first base 6-1; the first top cover 5-1 is connected to the water outlet end cover 20, and the UV sterilization mechanism 3 is connected with the water outlet on the water outlet end cover 20 through the first top cover 5-1.

[0053] Further, the inner wall of the first chamber is provided with a limiting plug 29 for limiting the movement distance of the piston rod, and the upper surface of the first top cover 5-1 is provided with a structure matched with the lower surface of the handle 241, and when the piston rod moves to the lower limit, the handle 241 is in contact with the upper surface of the first top cover 5-1.

[0054] Embodiment 2

[0055] Please refer to Figures 5-8 The utility model discloses a portable water purifier, including water inlet filtering mechanism 1, first filtering mechanism 2 and UV sterilization mechanism 3, water inlet filtering mechanism 1 is connected with the water inlet of first filtering mechanism 2, UV sterilization mechanism 3 is connected with the water outlet of first filtering mechanism 2, and the water outlet of UV sterilization mechanism 3 is connected with water outlet pipe;

[0056] The first filtering mechanism 2 includes a first shell 21, the first shell 21 is provided with a barrier 22, the barrier 22 makes the first shell 21 form the first chamber and the second chamber that are communicated in the lower part, the first water purifying assembly 23 is arranged in the second chamber, the manual pump 24 is arranged in the first chamber, and the top of the manual pump 24 is located above the first shell 21, the water inlet of the first filtering mechanism 2 is arranged at one side of the first shell 21 and below the first chamber, the water outlet of the first filtering mechanism 2 is arranged on the water outlet end cover 20 at the top of the first shell 21 and is located on the opposite side of the water inlet of the first filtering mechanism 2, the manual pump 24 works to introduce the water to be purified into the first shell 21 through the water inlet filtering mechanism 1 and the water inlet of the first filtering mechanism 2 for purification, and the purified water to be purified flows out after sterilization through the UV sterilization mechanism 3 from the water outlet of the first filtering mechanism 2.

[0057] As Figure 2 The first filtering mechanism 2 is provided with a first valve seat for installing a high-pressure valve 25 and a water suction valve 26 in the water inlet and at the bottom of the barrier 22, and the water suction valve 26 is closer to the water inlet of the first filtering mechanism 2 than the high-pressure valve 25.

[0058] Further, the inner bottom of the first shell 21 is provided with a second valve seat at one side of the second chamber, and the second valve seat is used for installing a pressure relief valve 27, and the pressure relief valve 27 is arranged opposite to the high-pressure valve 25.

[0059] Furthermore, the manual pump 24 is a piston pump, and the piston rod of the piston pump is provided with a handle 241 at the top. The handle 241 is located above the first housing 21 to facilitate the pulling operation of the piston pump.

[0060] like Figure 3 As shown, the first water purification component 23 includes a filter media housing 231, inside which a ceramic composite filter element 232 is disposed. The ceramic composite filter element 232 is wrapped with alternating activated carbon fibers and KDF copper-zinc alloy. It also includes an end cap 234 covering the top of the filter media housing 231. Polyiodine resin filter media is disposed inside the end cap 234, and non-woven fabric 233 is provided at the top and bottom of the polyiodine resin filter media. An O-ring 235 is provided at the top of the end cap 234 to contact the water outlet end cap 20.

[0061] like Figure 4 As shown, the water inlet filtration mechanism 1 includes a hose 11, one end of which is connected to a water inlet connector 12, and the other end is connected to a steel mesh filter assembly 14 via a connector 13. Specifically, the water inlet connector 12 is threadedly connected to the water inlet of the first filtration mechanism 2, and the steel mesh filter assembly 14 is composed of multiple filter steel meshes.

[0062] like Figure 5 As shown, it also includes a second filtration mechanism 4, which is connected between the first filtration mechanism 2 and the UV sterilization mechanism 3.

[0063] like Figure 6 As shown, the second filtration mechanism 4 includes a second housing 41, a second water purification component 42, a UV-LED component 43, and a battery component 44. The interior of the second housing 41 is composed of a first part 411, a second part 412, and a third part 413. The first part 411 is composed of a first space and a second space that are connected. The second part 412 is connected to the first part 411 and is located at the top of the first space. The third part 413 is located at the top of the second part 412. The second water purification component 42 is located in the first space. The UV-LED component 43 is located inside the second part 412. The battery component 44 is located inside the third part 413.

[0064] The UV-LED component 43 and the battery component 44 are electrically connected.

[0065] like Figure 6As shown, the first space is between the outer wall of the second part 412 and the third part 413 and the inner wall of the second shell 41, the outer wall of the second shell 41 is provided with a first hollow plug 414 in communication with the first space, the water outlet of the first filter mechanism 2 is connected with the first hollow plug 414, the outer wall of the second shell 41 is provided with a water outlet in communication with the second part 412, and the water outlet of the second filter mechanism 4 is connected with the plug of the UV sterilization mechanism 3.

[0066] Further, the lower part of the first shell 21 is provided with a connecting hole 28, and the lower part of the second shell 41 is provided with a plug 45 inserted into the connecting hole 28.

[0067] Further, the water purifier further comprises a second base 6-2 and a second top cover 5-2, the structure of the second base 6-2 is matched with the bottom structure after the first shell 21 and the second filter mechanism 4 are connected, the first shell 21 and the second shell 41 placed in the second base 6-2 are fixed, the water inlet filter mechanism 1 is connected with the water inlet of the first filter mechanism 2 through the second base 6-2, the second top cover 5-2 is connected to the water outlet end cover 20 and the second filter mechanism 4, and the UV sterilization mechanism 3 is connected with the water outlet of the second filter mechanism 4 through the second top cover 5-2.

[0068] In addition, the inner wall of the first chamber is provided with a limiting plug 29 for limiting the movement distance of the piston rod, and the upper surface of the second top cover 5-2 is provided with a structure matched with the lower surface of the handle 241, when the piston rod moves to the lower limit, the handle 241 is in contact with the upper surface of the second top cover 5-2.

[0069] As shown in the drawings, Figure 6 As shown, the second water purifying assembly 42 comprises a membrane shell 421, and an ultrafiltration membrane filter core 422 is wrapped in the membrane shell 421.

[0070] The water purifiers of the embodiment 1 and the embodiment 2 are suitable for surface fresh water sources.

[0071] The above merely describes specific embodiments of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application.

[0072] It should be understood that the present application is not limited to the above described and that various modifications and changes can be made without departing from the scope thereof. The scope of the present application is limited only by the claims appended hereto.

Claims

1. A portable water purifier characterized by comprising: It comprises a water inlet filtering mechanism (1), a first filtering mechanism (2) and a UV sterilization mechanism (3), the water inlet filtering mechanism (1) is connected with the water inlet of the first filtering mechanism (2), and the UV sterilization mechanism (3) is connected with the water outlet of the first filtering mechanism (2); The first filtering mechanism (2) comprises a first casing (21), a barrier (22) is arranged in the first casing (21), the barrier (22) forms a first chamber and a second chamber which are communicated at the lower part in the first casing (21), a first water purification assembly (23) is arranged in the second chamber, a hand pump (24) is arranged in the first chamber, the top of the hand pump (24) is located above the first casing (21), the water inlet of the first filtering mechanism (2) is arranged on one side of the first casing (21) and below the first chamber, and the water outlet of the first filtering mechanism (2) is arranged on the water outlet end cover (20) at the top of the first casing (21) and on the side opposite to the water inlet of the first filtering mechanism (2).

2. The portable water purifier of claim 1, wherein A first valve seat for mounting a high-pressure valve (25) and a water suction valve (26) is arranged in the water inlet of the first filtering mechanism (2) and at the bottom of the barrier (22), and the water suction valve (26) is closer to the water inlet of the first filtering mechanism (2) than the high-pressure valve (25).

3. The portable water purifier of claim 2, wherein, A second valve seat for mounting a pressure relief valve (27) is arranged on one side of the second chamber at the inner bottom of the first casing (21), and the pressure relief valve (27) is arranged opposite to the high-pressure valve (25).

4. The portable water purifier of claim 3, wherein The hand pump (24) is a piston pump, and a handle (241) is arranged at the top of the piston rod of the piston pump and located above the first casing (21).

5. The portable water purifier of claim 4, wherein, The first water purification assembly (23) comprises a filter material casing (231), a ceramic composite filter core (232) is arranged in the filter material casing (231), the ceramic composite filter core (232) is wrapped with activated carbon fiber and KDF copper-zinc alloy which are arranged alternately, an end cover (234) is connected to the top of the filter material casing (231), polyiodide resin filter material is arranged in the end cover (234), and non-woven fabric (233) is arranged at the top and bottom of the polyiodide resin filter material, and a 0-shaped sealing ring (235) is arranged at the top of the end cover (234) and in contact with the water outlet end cover (20). The water inlet filtering mechanism (1) comprises a hose (11), one end of the hose (11) is connected with a water inlet connector (12), and the other end is connected with a steel mesh filtering assembly (14) through a connecting piece (13).

6. The portable water purifier of claim 1, wherein, The water purifier further comprises a first base (6-1) and a first top cover (5-1), the structure of the first base (6-1) is matched with the bottom structure of the first casing (21), the water inlet filtering mechanism (1) passes through the first base (6-1) and is connected with the water inlet of the first filtering mechanism (2), the first top cover (5-1) is connected to the water outlet end cover (20), and the UV sterilization mechanism (3) passes through the first top cover (5-1) and is connected with the water outlet on the water outlet end cover (20).

7. The portable water purifier of claim 6, wherein The inner wall of the first chamber is provided with a limiting plug (29) for limiting the movement distance of the piston rod, and the upper surface of the first top cover (5-1) is provided with a structure matched with the lower surface of the handle (241), and when the piston rod moves to the lower limit, the handle (241) is in contact with the upper surface of the first top cover (5-1).

8. The portable water purifier of claim 5, wherein, The water purifier further comprises a second filtering mechanism (4) connected between the first filtering mechanism (2) and the UV sterilization mechanism (3). The second filtering mechanism (4) comprises a second casing (41), a second water purification assembly (42), a UV-LED assembly (43) and a battery assembly (44), the inside of the second casing (41) is composed of a first part (411), a second part (412) and a third part (413), the first part (411) is composed of a first space and a second space in communication, the second part (412) is in communication with the first part (411) and is located at the top end of the first space, the third part (413) is located at the top end of the second part (412), the second water purification assembly (42) is located in the first space, the UV-LED assembly (43) is located in the second part (412), and the battery assembly (44) is located in the third part (413). The UV-LED assembly (43) and the battery assembly (44) are electrically connected.

9. The portable water purifier of claim 8, wherein, The first space is between the outer wall of the second part (412) and the third part (413) and the inner wall of the second casing (41), the outer wall of the second casing (41) is provided with a first hollow plug (414) in communication with the first space, the water outlet of the first filtering mechanism (2) is connected with the first hollow plug (414), and the outer wall of the second casing (41) is provided with a water outlet in communication with the second part (412), and the water outlet of the second filtering mechanism (4) is connected with the plug of the UV sterilization mechanism (3).

10. The portable water purifier of claim 8, wherein, The water purifier further comprises a second base (6-2) and a second top cover (5-2), the structure of the second base (6-2) is matched with the bottom structure after the first casing (21) and the second filtering mechanism (4) are connected, the water inlet filtering mechanism (1) passes through the second base (6-2) and is connected with the water inlet of the first filtering mechanism (2); the second top cover (5-2) covers the water outlet end cover (20) and the second filtering mechanism (4), and the UV sterilization mechanism (3) passes through the second top cover (5-2) and is connected with the water outlet of the second filtering mechanism (4).

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