Nanofiltration device for filtering and sterilizing direct drinking water

Abstract

The utility model discloses a nanofiltration device for filtering and sterilizing direct drinking water, which comprises a box body, and a first filter cartridge is arranged on the left side in the box body. According to the nano-filtration device for filtering and sterilizing direct drinking water, when a first filter cartridge and a second filter cartridge in a box body are replaced, after a front plate at the front end of the box body is opened, the first filter cartridge and the second filter cartridge can be respectively connected through threaded connectors fixed at the top ends of a first top cover and a second top cover; the first top cover and the second top cover can be quickly disassembled after being correspondingly screwed out of the threaded connecting openings in the bottom ends of the first mounting seat and the second mounting seat, and then the first filter cartridge and the second filter cartridge are correspondingly replaced and are screwed in and mounted again by using the threaded connecting heads; a filtering assembly in the filtering device can be conveniently and rapidly disassembled, replaced and used, and the problem that the filtering assembly in the filtering device cannot be conveniently and rapidly disassembled, assembled and replaced is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of drinking water filtration, in particular to a nano-filtration device for direct drinking water filtration and disinfection. Background Technique

[0002] Direct drinking water refers to water that can be directly supplied to the human body without treatment. In the process of treating tap water into directly drinkable water, a nano-filtration device for purifying water is required. Some impurity particles and harmful substances in the tap water are filtered, sterilized and disinfected by using the filtering components inside the filtering device.

[0003] However, in the actual operation process of the nano-filtration device for direct drinking water filtration and disinfection, when replacing the water filtering components inside the device, the operation process is relatively cumbersome and time-consuming, and there are deficiencies, which is not convenient for quickly disassembling, installing and replacing the filtering components inside the filtering device.

[0004] Now, a new nano-filtration device for direct drinking water filtration and disinfection is proposed to solve the above deficiencies. Content of the Utility Model

[0005] The purpose of the utility model is to provide a nano-filtration device for direct drinking water filtration and disinfection, so as to solve the problem of inconvenient and rapid disassembly, installation and replacement of the filtering components inside the filtering device proposed in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a nano-filtration device for direct drinking water filtration and disinfection, including a box body. A first filter cylinder is arranged on the left side inside the box body. A first mounting seat is fixed on the left side of the top end inside the box body. A second mounting seat is fixed on the right side of the top end inside the box body, and a second filter cylinder is arranged at the bottom end of the second mounting seat;

[0007] The top end of the first filter cylinder is fixed with a first top cover, and a first inner tube is vertically fixed at the bottom end of the first top cover. A PP filter cotton is arranged on the outer side of the first inner tube. The top end of the second filter cylinder is fixed with a second top cover, and a second inner tube is vertically fixed at the bottom end of the second top cover. A second ceramic filter membrane is arranged outside the second inner tube, and an activated carbon filter layer is arranged outside the second ceramic filter membrane. A first ceramic filter membrane is arranged outside the activated carbon filter layer. Multiple groups of leakage holes are respectively arranged through the outer sides of the first inner tube and the second inner tube. Water inlet cavities are respectively opened inside the bottom ends of the first mounting seat and the second mounting seat. A threaded connection port is arranged at the middle position of the bottom ends of the first mounting seat and the second mounting seat. A threaded connection head is fixed at the middle position of the top ends of the first top cover and the second top cover. Grooves are arranged inside the top ends of the first top cover and the second top cover. A reserved water inlet hole is arranged through the inner side of the groove. A sealing gasket is arranged on the outer side of the threaded connection head.

[0008] Preferably, a water inlet pipe is fixed to the left side of the first mounting seat, and the left side of the water inlet pipe penetrates through the left side of the box body. A connecting pipe is fixed to the middle position at the top end of the first mounting seat, and the right side of the connecting pipe is fixedly connected to the left side of the second mounting seat. The water inlet pipe is communicated with the inside of the water inlet cavity inside the second mounting seat. Both sides of the connecting pipe are communicated with the threaded connection port inside the first mounting seat and the water inlet cavity inside the second mounting seat.

[0009] Preferably, a water outlet pipe is fixed to the top end of the second mounting seat, and the right side of the water outlet pipe penetrates through the right side of the box body. The bottom end of the water outlet pipe is communicated with the threaded connection port inside the second mounting seat, and a booster pump is arranged on the water outlet pipe.

[0010] Preferably, the water inlet cavity is respectively communicated with the inside of the reserved water inlet holes and the grooves. A plurality of groups of reserved water inlet holes are equidistantly arranged inside the grooves. The reserved water inlet holes respectively penetrate through the first top cover and the second top cover and are communicated with the inside of the first filter cartridge and the second filter cartridge. The threaded connection heads are respectively communicated with the inside of the first inner pipe and the second inner pipe.

[0011] Preferably, a reserved slot is formed inside the front end of the first filter cartridge, and a fixing plate is fixed inside the reserved slot. The fixing plate is made of polymethyl methacrylate.

[0012] Preferably, a rack is fixed to the bottom end inside the box body, and a storage box is inserted into the inside of the rack. A cover body is arranged at the top end of the storage box. Activated carbon particles are arranged inside the storage box, and a plurality of groups of air holes are preset inside the top end of the cover body.

[0013] Preferably, insertion rods are respectively fixed to the four corners at the bottom end of the cover body, and slots are respectively arranged inside the four corners at the top end of the storage box.

[0014] Preferably, a front plate is arranged at the front end of the box body, and lock rods respectively penetrate through the four corners at the front end of the front plate. Screw holes are respectively arranged at the four corners at the front end of the box body.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: The nano-filtration device for direct drinking water filtration and disinfection not only realizes convenient and rapid disassembly, replacement and inspection of the internal filtration components of the filtration device, but also realizes convenient dehumidification and antibacterial treatment of the inside of the device.

[0016] (1) By providing a box body, a first filter cartridge, a PP filter cotton, a first inner tube, a water inlet pipe, a first top cover, a water inlet cavity, a connecting pipe, a first mounting seat, a second mounting seat, a threaded connection port, a water outlet pipe, a second top cover, a second filter cartridge, a screw hole, a threaded connection head, a sealing gasket, a leakage hole, a first ceramic filter membrane, an activated carbon filter layer, a second ceramic filter membrane, a reserved water inlet hole and a groove, when the filtering device is in use, after connecting the water inlet pipe to external tap water, during filtering, the tap water is introduced through the water inlet pipe and then enters the first filter cartridge through the water inlet cavity inside the first mounting seat and the reserved water inlet hole inside the first top cover. After preliminary filtration by the PP filter cotton, the preliminarily filtered water can enter the first inner tube through the leakage hole on the outer side of the first inner tube, then upward through the threaded connection head in the first inner tube and be introduced into the connecting pipe, and then be introduced into the water inlet cavity inside the second mounting seat through the connecting pipe, and then through the reserved water inlet hole inside the second top cover and be introduced into the interior of the second filter cartridge. After being filtered and purified by the first ceramic filter membrane, the activated carbon filter layer and the second ceramic filter membrane respectively in the second filter cartridge, finally it enters the second inner tube through the leakage hole on the outer side of the second inner tube, and is exported upward through the threaded connection head in the second inner tube to the water outlet pipe, and is exported outwards after the filtration is completed in the water outlet pipe. When replacing the first filter cartridge and the second filter cartridge inside the box body, after opening the front plate at the front end of the box body, then the first filter cartridge and the second filter cartridge can be respectively screwed out from the threaded connection ports inside the bottoms of the first mounting seat and the second mounting seat by using the threaded connection heads fixed at the tops of the first top cover and the second top cover, and then the first filter cartridge and the second top cover can be quickly disassembled. After that, the first filter cartridge and the second filter cartridge are respectively replaced correspondingly and then screwed in and installed again by using the threaded connection heads, which is convenient for the convenient, fast disassembly, installation and replacement of the filtering components inside the filtering device;

[0017] (2) By providing a box body, a first filter cartridge, a reserved slot and a fixing plate, when the nano-filtering device is in use, a transparent fixing plate is fixed inside the reserved slot at the front end of the first filter cartridge. Through the provided fixing plate, the dirt state of the internal filter element can be directly checked and viewed from the outside, which is convenient for timely replacement of the filtering components;

[0018] (3) By providing a box body, a card rack, a storage box, activated carbon particles, a cover body and a ventilation hole, when the device is in use, the activated carbon particles can be loaded into the storage box, and the cover body is fixedly installed at the top of the storage box to seal it. Then the storage box can be inserted and fixed into the interior of the card rack. The provided activated carbon particles can communicate with the air inside the box body through the ventilation hole. When the device is installed and used, it can assist in dehumidifying and adsorbing and purifying the odor of the air inside the device, keep the dry environment inside the device, reduce the growth of bacteria, and improve the hygiene of the device during use. Brief Description of the Drawings

[0019] Figure 1 is the front view sectional structure schematic diagram of the present utility model;

[0020] Figure 2 It is a front partial sectional structure schematic diagram of the second filter cartridge of the present utility model;

[0021] Figure 3 It is a bottom view structure schematic diagram of the second mounting seat of the present utility model;

[0022] Figure 4 It is a top view structure schematic diagram of the second top cover of the present utility model;

[0023] Figure 5 For the present utility model Figure 1 The enlarged structure schematic diagram at position A in;

[0024] Figure 6 It is a front view structure schematic diagram of the fixing plate of the present utility model.

[0025] In the figure: 1, front plate; 2, box body; 3, first filter cartridge; 4, PP filter cotton; 5, first inner tube; 6, water inlet pipe; 7, first top cover; 8, water inlet cavity; 9, connecting pipe; 10, first mounting seat; 11, second mounting seat; 12, threaded connection port; 13, water outlet pipe; 14, booster pump; 15, second top cover; 16, second filter cartridge; 17, screw hole; 18, card rack; 19, storage box; 20, lock rod; 21, second inner tube; 22, threaded connection head; 23, sealing gasket; 24, leakage hole; 25, first ceramic filter membrane; 26, activated carbon filter layer; 27, second ceramic filter membrane; 28, reserved water inlet hole; 29, groove; 30, activated carbon particles; 31, cover body; 32, ventilation hole; 33, reserved slot; 34, fixing plate. Specific embodiments

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0027] Embodiment 1: Please refer to Figures 1-6 , a nano-filtration device for filtering and disinfecting direct drinking water, including a box body 2, a first filter cartridge 3 is arranged on the left side inside the box body 2, a first mounting seat 10 is fixed on the left side of the top inside the box body 2, a second mounting seat 11 is fixed on the right side of the top inside the box body 2, and a second filter cartridge 16 is arranged at the bottom end of the second mounting seat 11;

[0028] A first top cover 7 is fixed to the top end of the first filter cartridge 3, and a first inner pipe 5 is vertically fixed to the bottom end of the first top cover 7. A PP filter cotton 4 is arranged outside the first inner pipe 5. A second top cover 15 is fixed to the top end of the second filter cartridge 16, and a second inner pipe 21 is vertically fixed to the bottom end of the second top cover 15. A second ceramic filter membrane 27 is arranged outside the second inner pipe 21, and an activated carbon filter layer 26 is arranged outside the second ceramic filter membrane 27. A first ceramic filter membrane 25 is arranged outside the activated carbon filter layer 26. Multiple groups of leakage holes 24 are respectively arranged through the outside of the first inner pipe 5 and the second inner pipe 21. Water inlet cavities 8 are respectively formed inside the bottoms of the first mounting seat 10 and the second mounting seat 11. A threaded connection port 12 is arranged at the middle position of the bottoms of the first mounting seat 10 and the second mounting seat 11. A threaded connection head 22 is fixed to the middle position of the tops of the first top cover 7 and the second top cover 15. Grooves 29 are arranged inside the tops of the first top cover 7 and the second top cover 15. A reserved water inlet hole 28 is arranged through the inside of the groove 29. A sealing gasket 23 is arranged outside the threaded connection head 22. A front plate 1 is arranged at the front end of the box body 2, and lock rods 20 are respectively arranged through the four corners at the front end of the front plate 1. Screw holes 17 are respectively arranged at the four corners at the front end of the box body 2;

[0029] A water inlet pipe 6 is fixed to the left side of the first mounting seat 10, and the left side of the water inlet pipe 6 penetrates through the left side of the box body 2. A connecting pipe 9 is fixed to the middle position of the top of the first mounting seat 10, and the right side of the connecting pipe 9 is fixedly connected to the left side of the second mounting seat 11. The water inlet pipe 6 is communicated with the inside of the water inlet cavity 8 inside the second mounting seat 11. The two sides of the connecting pipe 9 are respectively communicated with the threaded connection port 12 inside the first mounting seat 10 and the water inlet cavity 8 inside the second mounting seat 11. An outlet pipe 13 is fixed to the top of the second mounting seat 11, and the right side of the outlet pipe 13 penetrates through the right side of the box body 2. The bottom end of the outlet pipe 13 is communicated with the threaded connection port 12 inside the second mounting seat 11. A booster pump 14 is arranged on the outlet pipe 13. The water inlet cavities 8 are respectively communicated with the inside of the reserved water inlet hole 28 and the groove 29. Multiple groups of reserved water inlet holes 28 are arranged at equal intervals on the inner side of the groove 29. The reserved water inlet holes 28 respectively penetrate through the first top cover 7 and the second top cover 15 and are communicated with the inside of the first filter cartridge 3 and the second filter cartridge 16. The threaded connection head 22 is respectively communicated with the inside of the first inner pipe 5 and the second inner pipe 21;

[0030] Specifically, as Figures 1-4As shown in the figure, when replacing the first filter cartridge 3 and the second filter cartridge 16 inside the box body 2, after opening the front plate 1 at the front end of the box body 2, then the first filter cartridge 3 and the second filter cartridge 16 can be respectively screwed out from the threaded connection ports 12 inside the bottoms of the first mounting seat 10 and the second mounting seat 11 by using the threaded connection heads 22 fixed at the tops of the first top cover 7 and the second top cover 15. After that, the first filter cartridge 3 and the second top cover 15 can be quickly disassembled. Then, the first filter cartridge 3 and the second filter cartridge 16 are respectively replaced and screwed back in using the threaded connection heads 22 for installation.

[0031] Embodiment 2: A reserved slot 33 is provided inside the front end of the first filter cartridge 3, and a fixing plate 34 is fixed inside the reserved slot 33. The fixing plate 34 is made of polymethyl methacrylate.

[0032] Specifically, as Figure 1 and Figure 6 shown, a transparent fixing plate 34 is fixed inside the reserved slot 33 at the front end of the first filter cartridge 3. By providing the fixing plate 34, the dirt state of the internal filter element can be directly checked and viewed from the outside.

[0033] Embodiment 3: A rack 18 is fixed at the bottom end inside the box body 2, and a storage box 19 is inserted into the rack 18. A cover body 31 is provided at the top end of the storage box 19. Activated carbon particles 30 are provided inside the storage box 19. Multiple groups of ventilation holes 32 are preset inside the top end of the cover body 31. Plug rods are respectively fixed at the four corners at the bottom end of the cover body 31, and slots are respectively provided inside the four corners at the top end of the storage box 19.

[0034] Specifically, as Figure 1 and Figure 5 shown, the activated carbon particles 30 can be loaded into the storage box 19, and the cover body 31 is fixedly installed at the top end of the storage box 19 for sealing. Then, the storage box 19 can be inserted and fixed inside the rack 18. The provided activated carbon particles 30 can communicate with the air inside the box body 2 through the ventilation holes 32. When the device is installed and used, the air inside the device can be assisted in dehumidifying and adsorbing and purifying odors to maintain a dry environment inside the device.

[0035] Working principle: When the utility model is in use, after the water inlet pipe 6 is connected to external tap water, during filtration, the tap water is introduced through the water inlet pipe 6 and then enters the first filter cartridge 3 through the water inlet cavity 8 inside the first mounting seat 10 and the reserved water inlet hole 28 inside the first top cover 7. After preliminary filtration by the PP filter cotton 4, the preliminarily filtered water can enter the first inner pipe 5 through the leakage holes 24 on the outer side of the first inner pipe 5, and then upward through the threaded connector 22 in the first inner pipe 5 and be introduced into the connecting pipe 9. Then, it is introduced into the water inlet cavity 8 inside the second mounting seat 11 through the connecting pipe 9, and then through the reserved water inlet hole 28 inside the second top cover 15 into the interior of the second filter cartridge 16. After being filtered and purified by the first ceramic filter membrane 25, the activated carbon filter layer 26, and the second ceramic filter membrane 27 respectively in the second filter cartridge 16, finally, it enters the second inner pipe 21 through the leakage holes 24 on the outer side of the second inner pipe 21, and is led out upward through the threaded connector 22 in the second inner pipe 21 to the water outlet pipe 13, and is led out externally after filtration through the water outlet pipe 13. When replacing the first filter cartridge 3 and the second filter cartridge 16 inside the box body 2, after opening the front plate 1 at the front end of the box body 2, then the first filter cartridge 3 and the second filter cartridge 16 can be respectively screwed out from the threaded connection ports 12 inside the bottoms of the first mounting seat 10 and the second mounting seat 11 by using the threaded connectors 22 fixed at the tops of the first top cover 7 and the second top cover 15, and then the first filter cartridge 3 and the second top cover 15 can be quickly disassembled. After that, the first filter cartridge 3 and the second filter cartridge 16 are respectively replaced and screwed back in for installation using the threaded connectors 22. At the same time, when the nano-filtration device is in use, a transparent fixing plate 34 is fixed inside the reserved slot 33 at the front end of the first filter cartridge 3. Through the provided fixing plate 34, the dirt state of the internal filter element can be directly checked and viewed from the outside. And when the device is in use, activated carbon particles 30 can also be loaded into the storage box 19, and the cover body 31 is fixedly installed at the top of the storage box 19 to seal it. Then, the storage box 19 can be inserted and fixed into the interior of the card rack 18. The provided activated carbon particles 30 can communicate with the air inside the box body 2 through the air holes 32. When the device is installed and used, it can assist in dehumidifying and adsorbing and purifying the odor of the air inside the device, and maintain a dry environment inside the device.

[0036] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present utility model, the present utility model can be implemented in other specific forms. Therefore, in any regard, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

Claims

1. A nanofiltration device for filtering and disinfecting direct drinking water, comprising a housing (2), characterized in that: A first filter cartridge (3) is arranged on the left side inside the box (2), a first mounting seat (10) is fixed on the left side of the top inside the box (2), a second mounting seat (11) is fixed on the right side of the top inside the box (2), and a second filter cartridge (16) is arranged at the bottom end of the second mounting seat (11); A first top cover (7) is fixed to the top of the first filter cartridge (3), and a first inner tube (5) is vertically fixed to the bottom of the first top cover (7), a PP filter cotton (4) is arranged on the outside of the first inner tube (5), a second top cover (15) is fixed to the top of the second filter cartridge (16), and a second inner tube (21) is vertically fixed to the bottom of the second top cover (15), a second ceramic filter membrane (27) is arranged on the outside of the second inner tube (21), and an activated carbon filter layer (26) is arranged on the outside of the second ceramic filter membrane (27), the first ceramic filter membrane (25) is arranged on the outside of the activated carbon filter layer (26), the first inner tube (5) and the second inner tube (21) are connected to each other. ) are respectively provided with a plurality of groups of leakage holes (24) through the outer side thereof, a water inlet cavity (8) is respectively provided inside the bottom ends of the first mounting seat (10) and the second mounting seat (11), a threaded connection port (12) is provided at the middle position of the bottom ends of the first mounting seat (10) and the second mounting seat (11), a threaded connection head (22) is fixed at the middle position of the top ends of the first top cover (7) and the second top cover (15), a groove (29) is provided inside the top ends of the first top cover (7) and the second top cover (15), a reserved water inlet hole (28) is provided through the inner side of the groove (29), and a sealing gasket (23) is provided outside the threaded connection head (22).

2. A nanofiltration device for direct drinking water filtration and disinfection according to claim 1, characterized in that: A water inlet pipe (6) is fixed on the left side of the first mounting seat (10), and the left side of the water inlet pipe (6) passes through the left side of the box body (2); a connecting pipe (9) is fixed at the middle position of the top of the first mounting seat (10), and the right side of the connecting pipe (9) is fixedly connected to the left side of the second mounting seat (11); the water inlet pipe (6) is connected to the inside of the water inlet cavity (8) inside the second mounting seat (11); and the two sides of the connecting pipe (9) are respectively connected to the threaded connection port (12) inside the first mounting seat (10) and the water inlet cavity (8) inside the second mounting seat (11).

3. A nanofiltration device for direct drinking water filtration and disinfection according to claim 1, characterized in that: A water outlet pipe (13) is fixed to the top of the second mounting seat (11), and the right side of the water outlet pipe (13) passes through the right side of the box body (2). The bottom end of the water outlet pipe (13) is connected to a threaded connection port (12) inside the second mounting seat (11), and a booster pump (14) is provided on the water outlet pipe (13).

4. A nanofiltration device for direct drinking water filtration and disinfection according to claim 1, characterized in that: The water inlet cavity (8) is respectively connected to the reserved water inlet hole (28) and the interior of the groove (29); a plurality of groups of the reserved water inlet holes (28) are arranged at equal intervals on the inner side of the groove (29); the reserved water inlet holes (28) respectively penetrate the first top cover (7) and the second top cover (15) and are connected to the interior of the first filter cartridge (3) and the second filter cartridge (16); and the threaded connector (22) is respectively connected to the interior of the first inner tube (5) and the second inner tube (21).

5. The nanofiltration device for direct drinking water filtration and disinfection according to claim 1, characterized in that: A reserved slot (33) is provided inside the front end of the first filter cartridge (3), and a fixing plate (34) is fixed inside the reserved slot (33), wherein the fixing plate (34) is made of polymethyl methacrylate.

6. The nanofiltration device for direct drinking water filtration and disinfection according to claim 1, characterized in that: A card holder (18) is fixed to the bottom end of the box body (2), a storage box (19) is inserted into the card holder (18), a cover (31) is arranged at the top end of the storage box (19), activated carbon particles (30) are arranged inside the storage box (19), and a plurality of groups of air holes (32) are preset inside the top end of the cover (31).

7. A nanofiltration device for direct drinking water filtration and disinfection according to claim 6, characterized in that: Insertion rods are fixed at the four corners at the bottom of the cover body (31), and slots are arranged inside the four corners at the top of the storage box (19).

8. The nanofiltration device for filtering and disinfecting direct drinking water according to claim 1, characterized in that: The front end of the box body (2) is provided with a front plate (1), and locking rods (20) are respectively provided through the four corners of the front end of the front plate (1), and screw holes (17) are respectively provided at the four corners of the front end of the box body (2).

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