Water purifier filtering device capable of feeding from bottom to top

Abstract

The utility model discloses a bottom-in top-out water purifier filtering device which comprises a base, a filtering assembly and a water outlet faucet, the filtering assembly and the water outlet faucet are arranged on the base, the filtering assembly comprises a shell, a water inlet seat arranged at the bottom of the shell, a filter element set arranged in the shell, a water outlet seat arranged above the filter element set and a top cover located above the water outlet seat, the water outlet seat is communicated with the water outlet end of the filter element group; a first water outlet cavity is formed in the water outlet seat, a second water outlet cavity is formed between the water outlet seat and the inner wall of the shell, a water inlet hole communicated with the first water outlet cavity is formed in the inner wall of the water outlet seat, a drainage hole communicated with the first water outlet cavity and the second water outlet cavity is formed in the outer wall of the water outlet seat, and a water outlet hole communicated with the second water outlet cavity is formed in the shell. The first water outlet cavity is annularly arranged on the periphery of the water outlet end of the filter element set, the second water outlet cavity is annularly arranged on the periphery of the first water outlet cavity, and the water outlet holes are located on the annular side of the second water outlet cavity, so that the water outlet position is closer to the water outlet end of the filter element set, and the water outlet speed is remarkably increased.

Description

Technical Field

[0001] This utility model relates to the field of water treatment equipment technology, specifically to a bottom-inlet, top-outlet water purifier filtration device. Background Technology

[0002] Currently, most water purifier filtration devices on the market adopt a bottom-in, bottom-out water circuit design. This typically includes a base, a housing mounted on the base, a water inlet seat at the bottom of the housing, a filter cartridge assembly mounted on the water inlet seat, and a water outlet faucet connected to the base. During the filtration process, raw water enters the filter cartridge assembly through the bottom water inlet seat for filtration. The filtered water then collects again and flows through the same end cap area at the bottom of the filter cartridge assembly before finally being discharged through a pipe connected to the base.

[0003] However, because the water inlet and outlet of the filter are both located at the same end (bottom) of the filter cartridge, the raw water must complete a bottom-up flow inside the filter cartridge before returning to the bottom for discharge. This long-distance "back-and-forth" flow not only increases the actual travel distance of the water inside the filter cartridge, leading to increased water flow resistance, but also prevents the upper filter layer from fully utilizing its filtration efficiency as it faces the pressure of water flow back. This limits the amount of purified water produced per unit time, making it difficult to meet users' needs for quick water access. Furthermore, the bottom inlet is prone to producing sinking water. Utility Model Content

[0004] To address the technical problems existing in the background art, this utility model proposes a bottom-inlet, top-outlet water purifier filtration device.

[0005] The technical solution adopted by this utility model to solve its technical problem is as follows:

[0006] A bottom-inlet, top-outlet water purifier filtration device includes a base, a filter assembly and a water outlet faucet disposed on the base. The filter assembly includes a housing, a water inlet seat disposed at the bottom of the housing, a filter element assembly disposed inside the housing, a water outlet seat disposed above the filter element assembly, and a top cover located above the water outlet seat. The water outlet seat is connected to the water outlet end of the filter element assembly.

[0007] The water outlet base has a first water outlet cavity, and the water outlet base and the inner wall of the outer shell form a second water outlet cavity. The inner wall of the water outlet base is provided with a water inlet hole that communicates with the first water outlet cavity. The outer wall of the water outlet base is provided with a drain hole that communicates with the first water outlet cavity and the second water outlet cavity. The outer shell is provided with a water outlet hole that communicates with the second water outlet cavity.

[0008] The first water outlet chamber is ringed around the water outlet end of the filter cartridge assembly, the second water outlet chamber is ringed around the first water outlet chamber, and the water outlet hole is located on the side of the second water outlet chamber ring.

[0009] Preferably, the filter cartridge assembly is provided with a fixing seat on top, the fixing seat is provided with a water outlet groove, the top cover is provided with a water pipe, the water pipe is inserted into the water outlet groove, and the inner wall of the water pipe forms a connecting hole that connects to the water inlet. Through the above improvement, the connecting hole formed by the inner wall of the water pipe connects to the water inlet, forming a stable top guide channel, ensuring that the filtered water flows smoothly into the first water outlet chamber, avoiding water flow turbulence, and playing a guiding and positioning role during the assembly process, ensuring that the top cover and the filter cartridge assembly are accurately aligned, and preventing sealing failure due to assembly deviation.

[0010] Preferably, the filter cartridge assembly includes a stainless steel filter section, a ceramic filter section, and a carbon rod filter section along the water inlet direction. The ceramic filter section and the carbon rod filter section are sequentially nested inside the stainless steel filter section. The bottom of the stainless steel filter section forms filter holes. Through the above improvements, a three-stage filtration is formed. The filter holes at the bottom of the stainless steel filter section first intercept large particulate impurities, the ceramic filter section removes fine particles and some bacteria, and the carbon rod filter section adsorbs residual chlorine and odors, ensuring that the output water is pure and healthy.

[0011] Preferably, the water outlet seat includes a fitted upper connecting seat and a fitted lower connecting seat, the first water outlet cavity is formed between the upper connecting seat and the lower connecting seat, and a sealing protrusion is provided on the lower connecting seat. The upper connecting seat abuts against the sealing protrusion. Through the above improvements, the upper connecting seat and the lower connecting seat fit together to form the first water outlet cavity, and the sealing protrusion is provided on the lower connecting seat to abut against the upper connecting seat, forming a locally enhanced sealing structure, effectively preventing the clean water in the first water outlet cavity from leaking outward, and ensuring the reliability of the water circuit seal.

[0012] Preferably, a first sealing ring is provided on the outer periphery of the upper connecting seat, and a second sealing ring is provided on the outer periphery of the lower connecting seat. The first and second sealing rings abut against the inner wall of the outer shell, and the second water outlet cavity is formed between the first and second sealing rings. Through the above improvements, the first and second sealing rings abut against the inner wall of the outer shell respectively, and the second water outlet cavity is separated between them. This ensures that the purified water is stably collected in the annular area of ​​the second water outlet cavity, avoiding cross-flow with other areas inside the outer shell. In addition, the sealing rings distributed vertically provide uniform radial support and guidance when installed in the outer shell, making the water outlet seat more stable and preventing the water outlet seat from tilting. At the same time, it enhances the seismic performance of the overall structure.

[0013] Preferably, the water pipe is provided with a third sealing ring that abuts against the upper connecting seat and a fourth sealing ring that abuts against the lower connecting seat, and the water inlet and the connecting hole are located between the third sealing ring and the fourth sealing ring. Through the above improvement, the third sealing ring and the fourth sealing ring are provided on the outer periphery of the water pipe, abutting against the upper connecting seat and the lower connecting seat respectively, and the water inlet and the connecting hole are located between the third sealing ring and the fourth sealing ring to form an independent sealing area, ensuring that the water flows in the designated channel and making the water flow smoother.

[0014] Preferably, a fifth sealing ring is provided on the outer periphery of the water pipe, and the fifth sealing ring abuts against the inner wall of the water tank. Through the above improvements, the sealing between the water pipe and the fixed seat is increased, preventing clean water from leaking from the joint gap.

[0015] Preferably, the fixed base has a rotating snap-fit ​​protrusion, the water outlet base has a rotating snap-fit ​​groove for the rotating snap-fit ​​protrusion to be inserted, and the rotating snap-fit ​​groove is provided with a limiting protrusion, and the rotating snap-fit ​​protrusion is provided with a limiting groove for the limiting protrusion to be inserted. Through the above improvements, the fixed base and the water outlet base can be quickly connected by using the rotating snap-fit ​​protrusion and the rotating snap-fit ​​groove to cooperate.

[0016] Preferably, the top cover is provided with a pressing protrusion, the outer periphery of which forms a spiral protrusion, and the inner wall of the outer shell is provided with a spiral connecting groove that is threadedly connected to the spiral protrusion. A positioning rod is inserted into the outer shell, and the spiral protrusion is provided with a positioning groove for the positioning rod to be inserted. Through the above improvements, the spiral protrusion and the spiral connecting groove are threadedly connected, realizing the quick connection between the top cover and the outer shell. In addition, the positioning rod is inserted into the positioning groove to form an anti-loosening structure, which completely avoids the top cover from loosening and falling off due to vibration or water pressure impact.

[0017] Preferably, a water outlet connector is inserted into the water outlet hole, the water outlet connector is connected to a water outlet pipe, and the water outlet pipe is connected to a germicidal lamp. Through the above improvements, the water outlet connector is connected to the water outlet pipe to the germicidal lamp, and the filtered purified water is subjected to terminal ultraviolet sterilization treatment, which effectively eliminates bacteria and viruses that may grow and ensures the safety of drinking water microorganisms.

[0018] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0019] By setting a first water outlet chamber inside the water outlet base, and forming a second water outlet chamber between the water outlet base and the inner wall of the outer shell, and setting an inlet hole on the inner wall of the water outlet base to connect the first water outlet chamber, and setting an inlet hole on the inner wall of the water outlet base to connect the water outlet chamber and the first water outlet hole, and setting a drain hole on the outer wall of the water outlet base to connect the first water outlet chamber and the second water outlet chamber, and setting an outlet hole on the outer shell to connect the second water outlet chamber, the first water outlet chamber is arranged around the water outlet end of the filter element assembly, and the second water outlet chamber is arranged around the water outlet end of the first water outlet chamber, with the outlet hole located on the ring side of the second water outlet chamber, the filtered purified water enters the first water outlet chamber through the inlet hole, then enters the second water outlet chamber through the drain hole, and is discharged through the outlet hole on the outer shell. This makes the water outlet position closer to the water outlet end of the filter element assembly, compresses the overall height, and reduces the path of purified water after output from the filter element assembly, greatly shortening the water flow path, thereby significantly improving the water output speed and meeting the user's need for quick water access. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the bottom structure of the filter assembly of this utility model;

[0022] Figure 3 This is a cross-sectional view of the filter assembly of this utility model;

[0023] Figure 4 This is an exploded view of the filter assembly of this utility model;

[0024] Figure 5 This is a schematic diagram of the water outlet base of this utility model;

[0025] Figure 6 This is a schematic diagram of the top cover of this utility model;

[0026] Figure 7 This is a schematic diagram of the filter cartridge assembly of this utility model;

[0027] Figure 8 This is a schematic diagram of the bottom structure of the stainless steel part of this utility model;

[0028] Figure 9 This is an exploded view of the filter element assembly of this utility model;

[0029] Figure 10 For the present utility model Figure 3 A magnified view of point A in the image;

[0030] Figure 11 For the present utility model Figure 3 A magnified view of point B in the image;

[0031] Figure 12For the present utility model Figure 3 A magnified view of point C in the image;

[0032] Figure 13 For the present utility model Figure 3 A magnified view of point D in the image;

[0033] Figure 14 For the present utility model Figure 3 A magnified view of point E in the image;

[0034] In the diagram: 1. Base; 2. Filter assembly; 3. Water outlet; 101. Outer shell; 102. Water inlet seat; 103. Filter cartridge assembly; 104. Water outlet seat; 105. Top cover; 106. First water outlet chamber; 107. Second water outlet chamber; 108. Water inlet hole; 109. Drain hole; 110. Water outlet hole; 201. Fixing base; 202. Water outlet trough; 203. Water pipe; 204. Connecting hole; 301. Stainless steel filter section; 302. Ceramic filter section; 303. Carbon rod filter section; 304. Filter hole; 401. Connecting upper seat; 402. Connecting lower seat; 403. Sealing protrusion; 501. First sealing ring 502. Second sealing ring; 503. Third sealing ring; 504. Fourth sealing ring; 505. Fifth sealing ring; 506. Filter plate; 601. Pressing protrusion; 602. Spiral protrusion; 603. Spiral connecting groove; 604. Positioning rod; 605. Positioning groove; 606. Elastic element; 607. Mounting groove; 701. Water outlet connector; 702. Water outlet pipe; 703. Sterilizing lamp; 801. Rotary snap-fit ​​protrusion; 802. Rotary snap-fit ​​groove; 803. Limiting protrusion; 804. Limiting groove; 901. Ceramic connecting seat; 902. Carbon rod connecting seat; 903. Connecting slot; 904. Connecting protrusion. 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] It should be understood that although the terms upper, middle, lower, top, one end, etc., appear in this document to describe various elements, these elements are not limited by these terms. These terms are only used to distinguish the elements from each other for ease of understanding, and are not used to define any directional or sequential restrictions.

[0037] like Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, a bottom-inlet, top-outlet water purifier filter device includes a base 1, a filter assembly 2 and a water outlet faucet 3 disposed on the base 1. The filter assembly 2 includes a housing 101, a water inlet seat 102 disposed at the bottom of the housing 101, a filter element assembly 103 disposed inside the housing 101, a water outlet seat 104 disposed above the filter element assembly 103, and a top cover 105 located above the water outlet seat 104, and the water outlet seat 104 is connected to the water outlet end of the filter element assembly 103.

[0038] Specifically, the water outlet base 104 has a first water outlet cavity 106, and the water outlet base 104 and the inner wall of the outer shell 101 form a second water outlet cavity 107. The inner wall of the water outlet base 104 is provided with a water inlet hole 108 that communicates with the first water outlet cavity 106. The outer wall of the water outlet base 104 is provided with a drain hole 109 that communicates with the first water outlet cavity 106 and the second water outlet cavity 107. The outer shell 101 has a water outlet hole 110 that communicates with the second water outlet cavity 107. The first water outlet cavity 106 is arranged around the water outlet end of the filter element assembly 103, and the second water outlet cavity 107 is arranged around the first water outlet cavity 106. The water outlet hole 110 is located on the circumferential side of the second water outlet cavity 107, so that the water outlet position is closer to the water outlet end of the filter element assembly 103, thereby compressing the overall height and reducing the path of purified water after it is output from the filter element assembly 103.

[0039] During filtration, raw water enters the outer casing 101 from the bottom inlet seat 102, flows through the filter cartridge 103 for filtration, and then the purified water enters the first outlet chamber 106 inside the outlet seat 104 from the outlet end of the filter cartridge 103. The purified water enters the internal flow channel of the outlet seat 104 through the inlet hole 108 provided on the inner wall of the outlet seat 104, and then flows into the second outlet chamber 107 formed by the outlet seat 104 and the inner wall of the outer casing 101 through the drain hole 109 on the outer wall of the outlet seat 104. Finally, it flows out through the outlet hole 110 opened on the outer casing 101 and is delivered to the water tap 3 for user use. Under the premise of controlling the overall height, the top space is fully utilized, the water flow path is greatly shortened, and the water output speed is significantly improved to meet the user's need for quick water access.

[0040] like Figure 3 , Figure 4 , Figure 5 , Figure 12 , Figure 14As shown, a further explanation of the specific structure of the water outlet seat 104 is provided. The water outlet seat 104 includes a connecting upper seat 401 and a connecting lower seat 402 that fit together. The first water outlet cavity 106 is formed between the connecting upper seat 401 and the connecting lower seat 402. A sealing protrusion 403 is provided on the connecting lower seat 402. The connecting upper seat 401 abuts against the sealing protrusion 403. The first water outlet cavity 106 is formed by the fitting of the connecting upper seat 401 and the connecting lower seat 402 together. The sealing protrusion 403 on the connecting lower seat 402 abuts against the connecting upper seat 401, forming a locally enhanced sealing structure, which effectively prevents the clean water in the first water outlet cavity 106 from leaking out and ensures the reliability of the water circuit seal.

[0041] Furthermore, a first sealing ring 501 is provided on the outer periphery of the upper connecting seat 401, and a second sealing ring 502 is provided on the outer periphery of the lower connecting seat 402. The first sealing ring 501 and the second sealing ring 502 abut against the inner wall of the outer shell 101. The second water outlet cavity 107 is formed between the first sealing ring 501 and the second sealing ring 502. The second water outlet cavity 107 is spaced between the first sealing ring 501 and the second sealing ring 502 to ensure that the purified water is stably collected in the annular area of ​​the second water outlet cavity 107, avoiding crossflow with other areas inside the outer shell 101. The upper and lower distributed first sealing rings 501 and second sealing rings 502 provide uniform radial support and guidance when installed in the outer shell 101, making the water outlet seat 104 more stable to install, avoiding the water outlet seat 104 from tilting, and enhancing the seismic performance of the overall structure.

[0042] like Figure 3 , Figure 4 , Figure 6 , Figure 7 As shown, to further explain the water circuit connection between the filter element assembly 103 and the water outlet seat 104, the top of the filter element assembly 103 is provided with a fixing seat 201, the fixing seat 201 is provided with a water outlet groove 202, the top cover 105 is provided with a water pipe 203, the water pipe 203 is inserted into the water outlet groove 202, and the inner wall of the water pipe 203 forms a connecting hole 204 that connects to the water inlet hole 108. The filtered water enters the water pipe 203 through the water outlet groove 202, and enters the first water outlet chamber 106 through the connecting hole 204 on the water pipe 203.

[0043] The filter cartridge assembly 103 is connected to the water outlet seat 104 via the water pipe 203. A connecting hole 204 is provided on the inner wall of the water pipe 203 to connect to the water inlet hole 108, thereby forming a stable top guide channel to ensure that the filtered water flows smoothly into the first water outlet chamber 106, avoiding water flow turbulence. It also plays a guiding and positioning role during the assembly process, ensuring that the top cover 105 and the filter cartridge assembly 103 are accurately aligned, and preventing sealing failure due to assembly deviation.

[0044] Furthermore, the outer periphery of the water pipe 203 is provided with a third sealing ring 503 that abuts against the upper seat 401 and a fourth sealing ring 504 that abuts against the lower seat 402, and the water inlet hole 108 and the connecting hole 204 are located between the third sealing ring 503 and the fourth sealing ring 504 to form an independent sealing area, ensuring that the water flows in the designated channel and making the water flow smoother.

[0045] Preferably, a fifth sealing ring 505 is provided on the outer periphery of the water pipe 203, and the fifth sealing ring 505 abuts against the inner wall of the water outlet 202 to increase the sealing between the water pipe 203 and the fixed seat 201 and prevent clean water from leaking from the joint gap.

[0046] like Figure 3 , Figure 4 , Figure 7 , Figure 8 , Figure 9 , Figure 11 As shown, in a further explanation of the embodiment of the filter element assembly 103, the filter element assembly 103 includes a stainless steel filter section 301, a ceramic filter section 302, and a carbon rod filter section 303 along the water inlet direction. The ceramic filter section 302 and the carbon rod filter section 303 are sequentially sleeved and placed inside the stainless steel filter section 301. The bottom of the stainless steel filter section 301 forms filter holes 304 to form a three-stage filtration. The filter holes 304 at the bottom of the stainless steel filter section 301 first intercept large particulate impurities, the ceramic filter section 302 removes fine particles and some bacteria, and the carbon rod filter section 303 adsorbs residual chlorine and odors to ensure that the output water is pure and healthy.

[0047] The stainless steel filter section 301 is mounted on the outer shell 101. The fixing seat 201 includes a ceramic connecting seat 901 and a carbon rod connecting seat 902 respectively mounted on the ceramic filter section 302 and the carbon rod filter section 303. The ceramic connecting seat 901 has a rotating snap-fit ​​protrusion 801 on its outer periphery. The water outlet seat 104 has a rotating snap-fit ​​groove 802 that snaps into the rotating snap-fit ​​protrusion 801. The carbon rod connecting seat 902 has a connecting protrusion 904. The ceramic connecting seat 901 has a connecting slot 903 that snaps into the connecting protrusion 904, thus realizing the quick snap-fit ​​between the fixing seat 201 and the water outlet seat 104.

[0048] In addition, a limiting protrusion 803 is provided on the rotating snap-fit ​​groove 802, and a limiting groove 804 is formed on the rotating snap-fit ​​protrusion 801 for the limiting protrusion 803 to be inserted, thereby improving the reliability of the connection between the fixed seat 201 and the water outlet seat 104.

[0049] like Figure 3 , Figure 4As shown, preferably, a water outlet connector 701 is inserted into the water outlet hole 110, and the water outlet connector 701 is connected to a water outlet pipe 702. By using the water outlet pipe 702 and the water outlet connector 701 to cooperate, the water path connection between the water outlet faucet 3 and the filter assembly 2 is realized. The water outlet pipe 702 is connected to the sterilizing lamp 703, and the water outlet connector 701 is connected to the water outlet pipe 702 to the sterilizing lamp 703, so that the filtered purified water is subjected to terminal ultraviolet sterilization treatment, effectively eliminating bacteria and viruses that may grow, and ensuring the safety of drinking water microorganisms.

[0050] like Figure 11 As shown, preferably, a filter 506 is provided in the water outlet tank 202 to further intercept and filter the purified water that is about to enter the first water outlet chamber 106, further removing any fine particles or broken filter media that may be carried, ensuring that the final water quality is purer, and preventing external dirt and dust from entering the filter element from the water outlet tank 202.

[0051] like Figure 4 , Figure 6 , Figure 13 As shown, to further explain the connection between the top cover 105 and the outer shell 101, the top cover 105 is provided with a pressing protrusion 601, and the outer periphery of the pressing protrusion 601 forms a spiral protrusion 602. The inner wall of the outer shell 101 forms a spiral connecting groove 603 that is threadedly connected to the spiral protrusion 602. A positioning rod 604 is inserted into the outer shell 101. The spiral protrusion 602 forms a positioning groove 605 for the positioning rod 604 to be inserted. The spiral protrusion 602 and the spiral connecting groove 603 are threadedly connected to achieve a quick connection between the top cover 105 and the outer shell 101. In addition, the positioning rod 604 is inserted into the positioning groove 605 to form an anti-loosening structure, which prevents the top cover 105 from loosening and falling off due to vibration or water pressure impact.

[0052] Meanwhile, the top cover 105 can be removed to quickly replace the internal filter assembly 103, thereby improving the user experience.

[0053] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. A bottom-inlet, top-outlet water purifier filter device, comprising a base (1), a filter assembly (2) disposed on the base (1), and a water outlet faucet (3), characterized in that, The filter assembly (2) includes a housing (101), a water inlet seat (102) disposed at the bottom of the housing (101), a filter element assembly (103) disposed inside the housing (101), a water outlet seat (104) disposed above the filter element assembly (103), and a top cover (105) located above the water outlet seat (104), and the water outlet seat (104) is connected to the water outlet end of the filter element assembly (103); The water outlet base (104) has a first water outlet cavity (106) inside, and a second water outlet cavity (107) is formed between the water outlet base (104) and the inner wall of the outer shell (101). The inner wall of the water outlet base (104) is provided with a water inlet hole (108) that connects the first water outlet cavity (106) and the filter element group (103). The outer wall of the water outlet base (104) is provided with a drain hole (109) that connects the first water outlet cavity (106) and the second water outlet cavity (107). The outer shell (101) is provided with a water outlet hole (110) that connects the second water outlet cavity (107). The first water outlet chamber (106) is arranged around the water outlet end of the filter element assembly (103), the second water outlet chamber (107) is arranged around the first water outlet chamber (106), and the water outlet hole (110) is located on the ring side of the second water outlet chamber (107).

2. The water purifier filter device with bottom inlet and top outlet according to claim 1, characterized in that: The filter cartridge assembly (103) is provided with a fixing base (201) on top, and a water outlet groove (202) is provided on the fixing base (201). A water pipe (203) is provided on the top cover (105). The water pipe (203) is inserted into the water outlet groove (202), and a connecting hole (204) connecting the water inlet hole (108) is formed on the inner wall of the water pipe (203).

3. The water purifier filter device with bottom inlet and top outlet according to claim 1, characterized in that: The filter cartridge assembly (103) includes a stainless steel filter section (301), a ceramic filter section (302), and a carbon rod filter section (303) along the water inlet direction. The ceramic filter section (302) and the carbon rod filter section (303) are sequentially sleeved and placed inside the stainless steel filter section (301). The bottom of the stainless steel filter section (301) forms a filter hole (304).

4. A bottom-inlet, top-outlet water purifier filter device according to claim 2, characterized in that: The water outlet seat (104) includes a fitted upper connecting seat (401) and a lower connecting seat (402), the first water outlet cavity (106) is formed between the upper connecting seat (401) and the lower connecting seat (402), and a sealing protrusion (403) is provided on the lower connecting seat (402), and the upper connecting seat (401) abuts against the sealing protrusion (403).

5. A bottom-inlet, top-outlet water purifier filter device according to claim 4, characterized in that: The upper connecting seat (401) is provided with a first sealing ring (501) on its outer periphery, and the lower connecting seat (402) is provided with a second sealing ring (502) on its outer periphery. The first sealing ring (501) and the second sealing ring (502) abut against the inner wall of the outer shell (101), and the second water outlet cavity (107) is formed between the first sealing ring (501) and the second sealing ring (502).

6. A bottom-inlet, top-outlet water purifier filter device according to claim 4, characterized in that: The water pipe (203) is provided with a third sealing ring (503) that abuts against the upper seat (401) and a fourth sealing ring (504) that abuts against the lower seat (402) on its outer periphery, and the water inlet (108) and the connecting hole (204) are located between the third sealing ring (503) and the fourth sealing ring (504).

7. A bottom-inlet, top-outlet water purifier filter device according to claim 2, characterized in that: The water pipe (203) is provided with a fifth sealing ring (505) on its outer periphery, and the fifth sealing ring (505) abuts against the inner wall of the water outlet tank (202).

8. A bottom-inlet, top-outlet water purifier filter device according to claim 2, characterized in that: The fixed base (201) has a rotating snap-fit ​​protrusion (801), the water outlet base (104) has a rotating snap-fit ​​groove (802) for inserting the rotating snap-fit ​​protrusion (801), and the rotating snap-fit ​​groove (802) is provided with a limiting protrusion (803), and the rotating snap-fit ​​protrusion (801) is provided with a limiting groove (804) for inserting the limiting protrusion (803).

9. A bottom-inlet, top-outlet water purifier filter device according to claim 1, characterized in that: The top cover (105) is provided with a pressing protrusion (601), the outer periphery of which forms a spiral protrusion (602), the inner wall of the outer shell (101) forms a spiral connecting groove (603) that is threadedly connected to the spiral protrusion (602), and a positioning rod (604) is inserted into the outer shell (101), and a positioning groove (605) is formed on the spiral protrusion (602) for the positioning rod (604) to be inserted.

10. A bottom-inlet, top-outlet water purifier filter device according to claim 1, characterized in that: A water outlet connector (701) is inserted into the water outlet hole (110), the water outlet connector (701) is connected to a water outlet pipe (702), and the water outlet pipe (702) is connected to a germicidal lamp (703).

Images