A water purifier with quick filter replacement

Abstract

A water purifier with quick filter element replacement belongs to the technical field of water purifiers, and comprises three filter element housing structures, a water pump, an integrated water circuit board assembly, a filter element main body structure comprising a base, a filter element clamping seat, a filter element, two filter element water stop valve assemblies, a button rod, a filter element seat clamping slide plate and two filter element clamping seat water stop valve assemblies; the filter element main body structure is arranged in a horizontal direction; the filter element comprises a filter element main body and two filter element barrels, and a composite filter element and an activated carbon filter element are respectively installed in the two filter element barrels; the filter element clamping seat comprises a filter element clamping seat main body and two filter element clamping barrels, and the base comprises a base main body and two base clamping seats; the inner cavity of the filter element barrel is provided with a filter element water stop valve assembly, and the inner cavities of the filter element clamping barrel and the base clamping seat are provided with a filter element clamping seat water stop valve assembly; a filter element clamping point is arranged at the end of the filter element; the beneficial effects of the present invention are: quick filter element replacement.

Description

Technical Field

[0001] The present invention relates to a water purifier with a replaceable filter element, in particular to a water purifier with a quick replaceable filter element, and belongs to the technical field of water purifiers. Background Art

[0002] With the continuous development of science and technology, water purifiers have gradually entered the homes of the majority of users, and water purifiers also play a very important role in the daily lives of users.

[0003] However, the existing water purifiers still have the problems of being inconvenient to quickly disassemble the filter element during use, being unable to perform pull-out filter element installation, being unable to eject the filter element while sealing the water, being unable to complete the one-button filter element replacement method, and being inconvenient to install the filter element. Therefore, it is very necessary to invent a water purifier with a quick-detachable pull-out filter element. Summary of the invention

[0004] The purpose of the present invention is to provide a water purifier with a quick filter cartridge replacement to address the defect of the above-mentioned prior art that the filter cartridge is not convenient to remove quickly, so as to achieve the purpose of quick filter cartridge replacement.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a water purifier with a quick filter element replacement, comprising a filter element housing structure and a water pump;

[0006] It also includes an integrated waterway plate assembly, three filter element main structures, each filter element main structure includes a base, a filter element clamping seat, a filter element, two filter element water stop valve assemblies, a button rod, a filter element seat clamping slide plate and two filter element clamping seat water stop valve assemblies; the filter element main structure is arranged in a horizontal direction, and for the convenience of description, the right direction is set as the front direction;

[0007] The integrated waterway plate assembly includes an assembly main plate, which is arranged on the left side of the base, and each filter element main structure is provided with a filter element inlet at the upper end and a filter element outlet at the lower end; the upper end of the assembly main plate is provided with a water inlet, a pressure barrel port, a pure water port and a waste water port; the three filter element main structures have the same structure, namely, a filter element main structure A, a filter element main structure B and a filter element main structure C, which are arranged in sequence from bottom to top on the assembly main plate, and a waste water outlet is also provided on one side of the filter element main structure B for discharging the filtered waste water; the base is fixedly connected to the integrated waterway plate assembly main plate by screws, the filter element clamping seat is arranged on the left side of the base and plugged in and connected to each other, and the filter element is arranged on the filter element clamping seat and plugged in and connected to each other; the button rod is arranged on one side of the filter element clamping seat and is arranged in the horizontal direction, and the button rod and the filter element clamping seat are connected by the filter element seat clamping slide;

[0008] The filter element, filter element clamping seat and base are arranged in sequence from left to right, each filter element includes a filter element main body and two filter element barrels, and a composite (P+C) filter element and an activated carbon filter element are installed in the two filter element barrels respectively; each filter element clamping seat includes a filter element clamping seat main body and two filter element clamping barrels, and each base includes a base main body and two base clamping seats, and the two filter element barrels, the two filter element clamping barrels and the two base clamping seats are arranged from left to right and correspond to each other on the left and right respectively; the inner cavity of the filter element barrel is provided with a filter element water stop valve assembly, and the inner cavities of the filter element clamping barrel and the base clamping seat are provided with a filter element clamping seat water stop valve assembly, and the two filter element water stop valve assemblies and the two filter element clamping seat water stop valve assemblies are arranged opposite to each other on the left and right respectively, and the filter element water stop valve assembly is arranged on the left side of the filter element clamping seat water stop valve assembly;

[0009] A compression spring A is installed in the button rod. When the button rod is pressed to the right front, it is compressed. After releasing the button rod, it will automatically bounce back to the left rear. A compression spring B is installed at the front end of the filter element seat clamping slide. When the button rod is pressed to the right front, it is squeezed and compressed by the filter element seat clamping slide, and it will bounce outward without external force. The front part of the button rod is an oblique insertion part, which is inclined outward from the back to the front. The outer end of the filter element seat clamping slide and the inner side surface of the oblique insertion part of the button rod are tightly pressed and slidably connected to each other. When the button rod is pressed to the right front, the oblique insertion part can push the filter element seat clamping slide to move toward the inside of the filter element clamping seat body.

[0010] The button rod is pressed down, and the filter element seat engaging slide plate is pushed inward along with the inclination of the button rod, and the compression spring A and the compression spring B are compressed. When the button is released, the compression spring A and the compression spring B are automatically ejected, and the button rod and the filter element seat engaging slide plate return to their original positions.

[0011] A filter element clamping groove is arranged in the main body of the filter element clamping seat, and the filter element clamping groove and the filter element seat clamping slide are an integrated structure, and 2-4 grooves are arranged on both sides of the filter element clamping groove; 2-4 symmetrical chamfers are arranged on both sides of the other end of the filter element seat clamping slide, and the positions of the 2-4 symmetrical chamfers correspond to the positions of the 2-4 grooves;

[0012] The filter element end is provided with a filter element clamping point, which matches the symmetrical chamfer of the filter element seat clamping slide plate, and the filter element clamping point can easily slide into the symmetrical chamfer to reset and clamp the filter element seat clamping slide plate;

[0013] The three filter element main bodies can be used separately. Press any one of the button rods to pop out the corresponding filter element for filter element replacement.

[0014] Operation process:

[0015] When the button rod is pressed to the right front, the filter element seat clamping slide plate slides inward, the filter element clamping groove shifts, and the symmetrical chamfer of the filter element seat clamping slide plate is eliminated and interlocked with the filter element clamping point. When the spring in the filter element clamping seat water stop valve bounces up to seal the water, the filter element is also ejected, and the filter element clamping seat water stop valve assembly is in a sealed state;

[0016] When installing the filter element, press it in the installation direction to insert the filter element into the filter element card seat. The filter element card point is set symmetrically with the chamfer of the filter element card slide plate, so it can slide in easily. The symmetrical chamfer of the filter element card slide plate is interlocked with the filter element card point. The filter element water stop valve assembly and the filter element card seat water stop valve assembly are in the open state.

[0017] The button rod, filter element seat clamping slide plate, filter element clamping groove, filter element clamping point, filter element water stop valve assembly and filter element clamping seat water stop valve assembly constitute a simultaneous filter element removal and water cut-off device, which can realize a one-button filter element replacement method.

[0018] The filter element housing structure includes an inner support shell, a panel frame, a panel, a chassis outer shell and a bottom plate; three circular inner cavities are arranged side by side on the right side of the inner support shell, and one square inner cavity is arranged on the left side of the inner support shell. Three filter element main structures are sleeved in the three circular inner cavities of the inner support shell, and a water pump is arranged in the square inner cavity sleeved in the inner support shell; the panel frame is arranged on the left side of the inner support shell, and the panel is arranged on the left side of the panel frame; the inner support shell is arranged on the left side of the bottom plate, and the chassis outer shell is sleeved on the outer periphery of the inner support shell.

[0019] The filter element clamping groove is provided with three grooves on both sides; and the other end of the filter element seat clamping slide plate is provided with three symmetrical chamfers on both sides.

[0020] The filter element water stop valve assembly comprises a shell A, a piston A, a tension spring, a piston sealing ring A, and a shell sealing ring A. The shell A is provided with an inner convex ring A and an outer concave ring A, and the upper end of the piston A is provided with an outer concave ring B; the piston sealing ring A is arranged in the outer concave ring B of the piston A, and plays a sealing role before the filter element is installed. The shell sealing ring A is arranged in the outer concave ring A of the shell A, and the upper part of the piston A is inserted in the inner convex ring A of the shell A, and the two are connected with each other with a gap;

[0021] When the button rod is pressed forward, the filter element seat clamping slide slides inward, the filter element clamping groove shifts, the symmetrical chamfer of the filter element seat clamping slide is eliminated and the filter element clamping point is locked, the filter element pops up, the tension spring is stretched, the piston A is pressed forward, and the filter element water stop valve assembly is in a sealed state. At this time, the filter element is not inserted into the filter element clamping seat; on the contrary, if Figure 8 As shown, when the filter element is inserted into the filter element clamping seat, the symmetrical chamfers of the filter element clamping slide are interlocked with the filter element clamping points, the tension spring retracts and returns to its original state, the piston A is released backward, and the filter element water stop valve assembly is in an open state.

[0022] The filter element clamping seat water stop valve assembly includes a piston B, a compression spring C, a piston sealing ring B and a shell sealing ring B; the filter element clamping cylinder is provided with a rear annular platform and a front annular platform, and the right front part of the piston B is provided with an outer concave ring C; the piston sealing ring B is arranged in the outer concave ring C of the piston B, and plays a sealing role before the filter element is installed; the left end of the base clamping seat is provided with a base annular platform, and the shell sealing ring B is arranged between the front annular platform and the base annular platform; the left part of the piston B is inserted into the filter element clamping cylinder and connected with each other with a gap; the right part of the spring D is arranged in the base clamping seat, the left part of the spring D is arranged in the filter element clamping cylinder, and the left end of the spring D is sleeved on the right end of the piston B; when the filter element is not inserted into the filter element clamping seat, the filter element clamping seat water stop valve assembly is in a closed state;

[0023] When installing the filter element, press it in the installation direction to insert the filter element into the filter element clamping seat. The symmetrical chamfers of the filter element seat clamping slide are interlocked with the filter element clamping point, the compression spring C is compressed, and the piston B is separated from the sealing position of the rear annular platform of the filter element clamping cylinder and does not have a sealing effect. The filter element clamping seat water stop valve assembly is in an open state. At this time, the button rod is not pressed and no external force is applied; on the contrary, when the button rod is pressed forward, the symmetrical chamfers of the filter element seat clamping slide are eliminated and interlocked with the filter element clamping point, the spring rebounds, the piston B is pushed up to the left and rear, and the filter element water stop valve assembly is in a sealed state.

[0024] The front of the integrated water circuit board assembly is provided with: a raw water probe water quality detector mounting hole, a low-pressure switch protector hole, a water inlet solenoid valve water inlet hole, a water outlet hole of the water inlet solenoid valve, an RO water inlet pump interface, an RO water outlet pump interface, a wastewater inlet solenoid valve port, a wastewater outlet solenoid valve port, an RO filter outlet and an RO filter inlet;

[0025] The raw water probe water quality detector installation hole and the low-pressure switch protector hole are arranged in the middle of the front side of the main body of the assembly, the water inlet solenoid valve water inlet hole and the water outlet hole of the water inlet solenoid valve are arranged in the middle of the lower part of the front of the main body of the assembly, the RO water pump interface and the RO water pump interface are arranged in the middle of the lower end of the front of the main body of the assembly, the wastewater inlet solenoid valve port, the wastewater solenoid valve port and the RO filter outlet are connected to the check water probe water quality detector and are arranged in the middle of the front of the main body of the assembly, and the RO filter inlet is arranged in the middle of the upper part of the front of the main body of the assembly;

[0026] One side of the filter element main structure A and the filter element main structure C is respectively provided with a positioning hole.

[0027] It also includes a raw water probe water quality detector, a low-pressure switch protector, a water inlet solenoid valve, a flow meter, a waste water solenoid valve and a high-pressure switch arranged above the front of the integrated waterway plate assembly;

[0028] The reverse side of the integrated waterway plate assembly is provided with: a composite filter element water inlet hole, a composite filter element water outlet hole, an RO filter element inlet port, an RO filter element outlet port, a waste water outlet, a clean water filter element inlet port, and a clean water outlet;

[0029] The raw water probe water quality detector is installed on the raw water probe water quality detector installation hole, and a non-return clean water probe water quality detector is installed in the filtered clean water outlet to detect the filtered water quality; the low-pressure switch protector is installed on the low-pressure switch protector hole, the non-return water inlet solenoid valve is arranged above the water inlet hole of the water inlet solenoid valve, the flow meter is arranged below the pure water outlet, and the waste water solenoid valve is arranged above the middle of the front of the assembly main body plate; the high-pressure switch is arranged below the pressure barrel mouth to protect the pressure barrel mouth; the waste water inlet solenoid valve port is connected to the waste water outlet, and the waste water outlet solenoid valve port is connected to the waste water outlet; the RO filter inlet and RO filter outlet are directly connected to the non-return clean water probe water quality detector by quick connection; the inlet of the water inlet solenoid valve is connected to the RO water inlet pump interface, and the outlet of the water inlet solenoid valve is connected to the RO water outlet pump interface;

[0030] The composite filter element water inlet and the composite filter element water outlet are arranged in the middle of the lower part of the reverse side of the assembly main body plate, the RO filter element inlet, the RO filter element outlet and the waste water outlet are arranged in the middle of the reverse side of the assembly main body plate, and the purified water filter element inlet and the purified water outlet are arranged in the middle of the upper part of the reverse side of the assembly main body plate;

[0031] The three filter elements are respectively matched with the three filter element clamping seats, and the water inlet and outlet of the filter element and the filter element clamping seat are provided with filter element removal and water cut-off devices. The three filter elements are respectively inserted into the three filter element clamping seats, the water inlet hole of the composite filter element is connected with the filter element inlet, the water outlet hole of the composite filter element is connected with the filter element outlet, the RO filter element inlet port is connected with the filter element inlet; the water source is connected to the water inlet, the filter element inlet is connected to the pressure barrel port, the pure water port is connected to the faucet, and the waste water port is connected to the waste water pipe.

[0032] Process from raw water to purified water: raw water flows through raw water probe water quality detector → composite (P+C) filter element → water inlet solenoid valve → RO water pump → RO filter outlet → check water probe water quality detector → high pressure switch → pressure barrel mouth → activated carbon filter element → flow meter → pure water outlet; filtered waste water flows through RO filter outlet → wastewater solenoid valve → wastewater outlet.

[0033] It also includes a joint partition, a power socket and an anti-skid pad; the upper part of the joint partition is provided with 4 through holes, the water inlet, pressure barrel port, pure water port and waste water port on the upper end of the main assembly plate form 4 water pipe joints, the 4 through holes on the joint partition match the shape and size of the 4 joints, and the 4 through holes on the joint partition are sleeved on the 4 joints to play a fixing role; the power socket is arranged on the upper end of the main assembly plate, on one side of the 4 water pipe joints; the anti-skid pad is arranged on the bottom surface of the machine.

[0034] Compared with the prior art, the beneficial effects of the present invention are: a structure combining a button rod and a clamping groove is adopted, and two filter element water stop valve assemblies and two filter element clamping seat water stop valve assemblies are used to cooperate with the filter element. When the button rod is pressed, the spring in the filter element clamping seat water stop valve bounces up to seal the water and the filter element is also popped out, which becomes a one-button filter element replacement method, truly realizing a water purifier that can quickly replace the filter element. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 is: an exploded view of the components of the present invention;

[0036] Figure 2 Yes: assembly diagram of base plate, integrated waterway plate and main structure of water purifier (without filter element);

[0037] Figure 3 It is: a three-dimensional enlarged view of the main structure of the water purifier;

[0038] Figure 4 Yes: button rod, filter element seat clamping slide plate, spring A and filter element clamping groove assembly diagram;

[0039] Figure 5 yes: Figure 4 A magnified view of part A;

[0040] Figure 6 Yes: Enlarged view of the filter element;

[0041] Figure 7 Yes: Front view and cross-section of the filter element card seat and base assembly (the filter element card seat water stop valve assembly is in the open state);

[0042] Figure 8 Yes: Front view and cross-section of the filter element, filter element connector and base assembly (the filter element water stop valve assembly and the filter element connector water stop valve assembly are in the open state);

[0043] Fig. 9 Yes: Front view of the filter element water stop valve assembly (the filter element water stop valve assembly is in the closed state);

[0044] Fig.10 Yes: Main sectional view of the filter element card seat water stop valve assembly (the filter element card seat water stop valve assembly is in a closed state);

[0045] Fig.11 Yes: Front view of integrated waterway board assembly (without connecting accessories);

[0046] Fig.12 Yes: Front view of integrated waterway board assembly (with connecting accessories);

[0047] Fig.13 Yes: Rear view of the integrated waterway plate assembly.

[0048] Description of the reference numerals: water pump 1, integrated water circuit board assembly 2, assembly main board 201, water inlet 202, pressure barrel port 203, pure water port 204, waste water port 205, raw water probe water quality detector mounting hole 206, low pressure switch protector hole 207, water inlet solenoid valve water inlet hole 208, water inlet solenoid valve water outlet hole 209, RO water inlet pump interface 2010, RO water outlet pump interface 2011, waste water inlet solenoid valve port 2012, waste water outlet solenoid valve port 2013, RO filter outlet 2014, RO filter inlet 2015, composite filter element water inlet hole 2016, composite filter element Water outlet 2017, RO filter inlet 2018, RO filter outlet 2019, wastewater outlet 2020, clean water filter inlet 2021, pure water outlet 2022, filter main structure 3, base 301, base body 30101, base clamping seat 30102, filter element clamping seat 302, filter element clamping seat body 30201, filter element clamping cylinder 30202, filter element clamping groove 30203, groove 30204, filter element 303, filter element body 30301, filter element cylinder 30302, filter element clamping point 30303, filter element water stop valve assembly 304, shell A 30401, piston A 30402, extension spring 30403, piston seal A 30404, shell seal A 30405, inner convex ring A 30406, outer concave ring A 30407, outer concave ring B 30408, button rod 305, filter element seat clamping slide 306, symmetrical chamfer 30601, filter element clamping seat water stop valve assembly 307, piston B 30701, compression spring C 30702, piston seal B 30703, shell seal B 30704, outer concave ring C 30705, compression spring D 30706, filter element inlet 308, filter element outlet 309, filter element main structure A 3010, filter element main structure B 3011, filter element main structure C 3012, wastewater outlet 4, compression spring A 5, compression spring B 6. Raw water probe water quality detector 7. Low-pressure switch protector 8. Water inlet solenoid valve 9. Flow meter 10. Waste water solenoid valve 11. High-pressure switch 12. Connector partition 13. Power socket 14. Anti-skid pad 15. Inner support shell 16. Panel frame 17. Panel 18. Chassis shell 19. Bottom plate 20. DETAILED DESCRIPTION

[0049] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.

[0050] like Figures 1 to 13 As shown, a water purifier with a quick filter cartridge replacement, such as Figure 1 and Figure 2 As shown, it includes a filter element housing structure and a water pump 1;

[0051] like Figure 1 and Figure 2 As shown, it also includes an integrated waterway plate assembly 2 and three filter element main structures 3, each filter element main structure 3 includes a base 301, a filter element clamping seat 302, a filter element 303, two filter element water stop valve assemblies 304, a button rod 305, a filter element seat clamping slide plate 306 and two filter element clamping seat water stop valve assemblies 307; the filter element main structure 3 is arranged in a horizontal direction, and for the convenience of description, the right direction is set as the front direction;

[0052] like Figures 2 to 8 As shown, the integrated waterway plate assembly 2 includes an assembly main body plate 201, and the integrated waterway plate assembly 2 is arranged on the left side of the base 301. Each filter element main body structure 3 is provided with a filter element inlet 308 at the upper end and a filter element outlet 309 at the lower end; the filter element inlet 308 and the filter element outlet 309 are both designed to cut off water when replacing the filter element 303; the upper end of the assembly main body plate 201 is provided with a water inlet 202, a pressure barrel port 203, a pure water port 204 and a waste water port 205; the three filter element main body structures 3 have the same structure, namely, a filter element main body structure A 3010, a filter element main body structure B 3011 and a filter element main body structure C 3012, which are arranged in sequence from bottom to top on the assembly main body plate 201, and the filter element main body structure B 3012 is arranged in sequence from bottom to top on the assembly main body plate 201. A wastewater outlet 4 is also provided on one side of 3011 for discharging the filtered wastewater; the base 301 is fixedly connected to the main body plate of the integrated waterway plate assembly 2 by screws, the filter element clamping seat 302 is arranged on the left side of the base 301 and plugged in and connected to each other, and the filter element 303 is arranged on the filter element clamping seat 302 and plugged in and connected to each other; the button rod 305 is arranged on one side of the filter element clamping seat 302 and is arranged in the horizontal direction, and the button rod 305 and the filter element clamping seat 302 are connected by the filter element seat clamping slide plate 306;

[0053] like Figure 8 As shown, the filter element 303, the filter element clamping seat 302 and the base 301 are arranged from left to right in sequence, each filter element 303 includes a filter element body 30301 and two filter element cartridges 30302, and the two filter element cartridges 30302 are respectively installed with a composite (P+C) filter element and an activated carbon filter element; each filter element clamping seat 302 includes a filter element clamping seat body 30201 and two filter element clamping cartridges 30202, and each base 301 includes a base body 30101 and two base clamping seats 30102, and the two filter element cartridges 30 302, two filter element clamping barrels 30202 and two base clamping seats 30102 are respectively arranged from left to right and correspond to each other on the left and right; the inner cavity of the filter element barrel 30302 is provided with a filter element water stop valve assembly 304, and the inner cavities of the filter element clamping barrel 30202 and the base clamping seat 30102 are provided with a filter element clamping seat water stop valve assembly 307, the two filter element water stop valve assemblies 304 and the two filter element clamping seat water stop valve assemblies 307 are respectively arranged on the left and right, and the filter element water stop valve assembly 304 is arranged on the left side of the filter element clamping seat water stop valve assembly 307;

[0054] like Figure 4 As shown, the button rod 305 is equipped with a compression spring A5. When the button rod 305 is pressed to the right front, it is compressed, and when the button rod 305 is released, it will automatically bounce back to the left rear. Figure 5 and Figure 7 As shown, a compression spring B6 is installed at the front end of the filter element seat clamping slide plate 306. When the button rod 305 is pressed to the right front, it is squeezed and compressed by the filter element seat clamping slide plate 306 and bounces outward without external force; Figure 5 As shown, the front part of the button rod 305 is an oblique insertion part, which is inclined outward from the back to the front. The outer end of the filter element seat clamping slide plate 306 is tightly pressed against the inner side surface of the oblique insertion part of the button rod 305 and is slidably connected to each other. When the button rod 305 is pressed to the right front, the oblique insertion part can push the filter element seat clamping slide plate 306 to move to the inside of the filter element clamping seat body 30201;

[0055] like Figure 4 and Figure 5 As shown, the button rod 305 is pressed down, and the filter element seat engaging slide plate 306 is pushed inward along with the inclination of the button rod 305, and the compression spring A5 and the compression spring B6 are compressed. When the button is released, the compression spring A5 and the compression spring B6 are automatically ejected, and the button rod 305 and the filter element seat engaging slide plate 306 return to their original positions;

[0056] like Figure 3 As shown, a filter element clamping groove 30203 is provided in the filter element clamping seat body 30201, and the filter element clamping groove 30203 and the filter element seat clamping slide plate 306 are an integrated structure, and three grooves 30204 are provided on both sides of the filter element clamping groove 30203; three symmetrical chamfers 30601 are provided on both sides of the other end of the filter element seat clamping slide plate 306, and the positions of the three symmetrical chamfers 30601 correspond to the positions of the three grooves 30204;

[0057] like Figure 6 As shown, the filter element 303 is provided with a filter element clamping point 30303 at the end thereof, and the filter element clamping point 30303 matches with the symmetrical chamfer 30601 of the filter element seat clamping slide plate 306, and the filter element clamping point 30303 can easily slide into the symmetrical chamfer 30601, so that the filter element seat clamping slide plate 306 is reset and clamped;

[0058] The three filter element main structures 3 can be used separately. By pressing any one of the button rods 305, the corresponding filter element 303 can be ejected to replace the filter element 303.

[0059] Operation process:

[0060] like Figures 2 to 5 , Fig. 9 and Fig.10As shown, when the button rod 305 is pressed to the right front, the filter element seat clamping slide plate 306 slides inward, the filter element clamping groove 30203 shifts, and the symmetrical chamfer 30601 of the filter element seat clamping slide plate 306 is eliminated and interlocked with the filter element clamping point 30303. When the spring in the water stop valve of the filter element clamping seat 302 pops up to seal the water, the filter element 303 is also popped out, and the filter element clamping seat water stop valve assembly 307 is in a sealed state;

[0061] like Figures 2 to 5 , Figure 7 , Figure 8 As shown, when installing the filter element 303, press it in the installation direction to insert the filter element 303 into the filter element clamping seat 302. The filter element clamping point 30303 is set with the symmetrical chamfer 30601 of the filter element seat clamping slide plate 306, which can slide in easily. The symmetrical chamfer 30601 of the filter element seat clamping slide plate 306 is interlocked with the filter element clamping point 30303. The filter element water stop valve assembly 304 and the filter element clamping seat water stop valve assembly 307 are in the open state.

[0062] The button rod 305, the filter element seat clamping slide plate 306, the filter element clamping groove 30203, the filter element clamping point 30303, the filter element water stop valve assembly 304 and the filter element clamping seat water stop valve assembly 307 constitute a water cut-off device for simultaneously removing the filter element 303, which can realize a one-button replacement of the filter element 303.

[0063] like Figure 1 As shown, the filter element housing structure includes an inner support shell 16, a panel frame 17, a panel 18, a chassis outer shell 19 and a bottom plate 20; three circular inner cavities are arranged side by side on the right side of the inner support shell 16, and a square inner cavity is arranged on the left side of the inner support shell 16. The three filter element main structures 3 are sleeved in the three circular inner cavities of the inner support shell 16, and the water pump 1 is arranged in the square inner cavity sleeved in the inner support shell 16; the panel frame 17 is arranged on the left side of the inner support shell 16, and the panel 18 is arranged on the left side of the panel frame 17; the inner support shell 16 is arranged on the left side of the bottom plate 20, and the chassis outer shell 19 is sleeved on the outer periphery of the inner support shell 16.

[0064] like Figure 3 As shown, three grooves 30204 are arranged on both sides of the filter element clamping groove 30203; three convex grooves are arranged on both sides of the other end of the filter element seat clamping slide 306, and three symmetrical chamfers 30601 are arranged on both sides of the other end of the filter element seat clamping slide 306.

[0065] like Figure 8 , Fig. 9As shown, the filter element water stop valve assembly 304 includes a shell A 30401, a piston A 30402, a tension spring 30403, a piston seal A 30404, and a shell seal A 30405. The shell A 30401 is provided with an inner convex ring A 30406 and an outer concave ring A 30407, and the upper end of the piston A 30402 is provided with an outer concave ring B 30408; the piston seal A 30404 is arranged in the outer concave ring B 30408 ​​of the piston A 30402, and plays a sealing role before the filter element 303 is installed, the shell seal A 30405 is arranged in the outer concave ring A 30407 of the shell A 30401, and the upper part of the piston A 30402 is penetrated in the inner convex ring A 30406 of the shell A 30401, and is connected with each other with a gap;

[0066] like Fig. 9 As shown in the figure, when the button rod 305 is pressed forward, the filter element seat clamping slide plate 306 slides inward, the filter element clamping groove 30203 shifts, and the symmetrical chamfer 30601 of the filter element seat clamping slide plate 306 is eliminated and interlocked with the filter element clamping point 30303, the filter element 303 pops up, the tension spring 30403 is stretched, the piston A 30402 is pressed forward, and the filter element water stop valve assembly 304 is in a sealed state. At this time, the filter element 303 is not inserted into the filter element clamping seat 302; on the contrary, as shown in the figure ... Figure 8 As shown, when the filter element 303 is inserted into the filter element clamping seat 302, the symmetrical chamfer 30601 of the filter element seat clamping slide plate 306 is interlocked with the filter element clamping point 30303, the tension spring 30403 retracts and returns to the original state, the piston A 30402 is released backward, and the filter element water stop valve assembly 304 is in an open state.

[0067] like Figure 8 , Fig.10As shown, the filter element clamping seat water stop valve assembly 307 includes a piston B 30701, a compression spring C 30702, a piston seal B 30703, a shell seal B 30704, and a compression spring D 30706; the filter element clamping cylinder 30202 is provided with a rear annular platform and a front annular platform, and the right front part of the piston B 30701 is provided with an outer concave ring C 30705; the piston seal B 30703 is arranged in the outer concave ring C 30705 of the piston B 30701, and plays a sealing role before the filter element 303 is installed; the left end of the base clamping seat 30102 is provided with a base 301 annular platform, and the shell seal B 30704 is arranged between the front annular platform and the base 301 annular platform; the left part of the piston B 30701 is penetrated in the filter element clamping cylinder 30202 and connected with each other with a gap; the compression spring D The right part of 30706 is arranged in the base clamping seat 30102, the left part of the compression spring D 30706 is arranged in the filter element clamping cylinder 30202, and the left end of the compression spring D 30706 is sleeved on the right end of the piston B 30701; when the filter element 303 is not inserted into the filter element clamping seat 302, the filter element clamping seat water stop valve assembly 307 is in a closed state;

[0068] like Figure 8 As shown, when installing the filter element 303, press it in the installation direction so that the filter element 303 is inserted into the filter element clamping seat 302, and the symmetrical chamfer 30601 of the filter element seat clamping slide 306 is interlocked with the filter element clamping point 30303, the compression spring C 30702 is compressed, the piston B30701 is separated from the sealing position of the rear annular platform of the filter element clamping tube 30202 and does not have a sealing effect, and the filter element clamping seat water stop valve assembly 307 is in an open state. At this time, the button rod 305 is not pressed and no external force is applied; on the contrary, when the button rod 305 is pressed forward, the symmetrical chamfer 30601 of the filter element seat clamping slide 306 is no longer interlocked with the filter element clamping point 30303, the spring rebounds, the piston B30701 is pushed up to the left and rear, and the filter element water stop valve assembly 304 is in a sealed state.

[0069] like Fig.11 and Fig.12 As shown, the front of the integrated water circuit board assembly 2 is provided with: a raw water probe water quality detector mounting hole 206, a low-pressure switch protector hole 207, a water inlet solenoid valve water inlet hole 208, a water inlet solenoid valve water outlet hole 209, an RO water inlet pump interface 2010, an RO water outlet pump interface 2011, a wastewater inlet solenoid valve port 2012, a wastewater outlet solenoid valve port 2013, an RO filter outlet 2014 and an RO filter inlet 2015;

[0070] The raw water probe water quality detector installation hole 206 and the low-pressure switch protector hole 207 are arranged in the middle of the front side of the assembly main body plate 201, the water inlet solenoid valve water inlet hole 208 and the water inlet solenoid valve water outlet hole 209 are arranged in the middle of the lower front part of the assembly main body plate 201, the RO water pump inlet interface 2010 and the RO water pump outlet interface 2011 are arranged in the middle of the lower front end of the assembly main body plate 201, the waste water inlet solenoid valve port 2012, the waste water solenoid valve port 2013 and the RO filter outlet 2014 are connected to the non-return water clean probe water quality detector and are arranged in the middle of the front part of the assembly main body plate 201, and the RO filter inlet 2015 is arranged in the middle of the upper front part of the assembly main body plate 201;

[0071] like Figure 2 As shown, one side of the filter element main structure A 3010 and one side of the filter element main structure C 3012 are each provided with a positioning hole.

[0072] like Fig.11 and Fig.12 As shown, it also includes a raw water probe water quality detector 7, a low-pressure switch protector 8, a water inlet solenoid valve 9, a flow meter 10, a waste water solenoid valve 11 and a high-pressure switch 12 arranged above the front of the integrated waterway plate assembly 2;

[0073] like Fig.13 As shown, the reverse side of the integrated waterway plate assembly 2 is provided with: a composite filter element water inlet hole 2016, a composite filter element water outlet hole 2017, an RO filter element inlet port 2018, an RO filter element outlet port 2019, a waste water outlet 2020, a clean water filter element inlet port 2021, and a pure water outlet 2022;

[0074] The raw water probe water quality detector 7 is installed on the raw water probe water quality detector installation hole 206, and a non-return clean water probe water quality detector is installed in the filtered clean water outlet to detect the filtered water quality; the low-pressure switch protector 8 is installed on the low-pressure switch protector hole 207, the non-return water inlet solenoid valve 9 is arranged above the water inlet hole 208 of the water inlet solenoid valve, the flow meter 10 is arranged below the pure water outlet 2022, and the waste water solenoid valve 11 is arranged above the front middle of the assembly main body plate 201; the high pressure The switch 12 is arranged below the pressure barrel opening 203 to protect the pressure barrel opening 203; the wastewater inlet solenoid valve opening 2012 is connected to the wastewater outlet 2020, and the wastewater outlet solenoid valve opening 2013 is connected to the wastewater outlet 205; the RO filter inlet 2015 and the RO filter outlet 2014 are directly connected to the non-return water purification probe water quality detector by quick connection; the inlet of the water inlet solenoid valve 9 is connected to the RO water inlet pump interface 2010, and the outlet of the water inlet solenoid valve 9 is connected to the RO water outlet pump interface 2011;

[0075] The composite filter element water inlet 2016 and the composite filter element water outlet 2017 are arranged in the middle of the lower part of the reverse side of the assembly main body plate 201, the RO filter element inlet 2018, the RO filter element outlet 2019 and the waste water outlet 2020 are arranged in the middle of the reverse side of the assembly main body plate 201, and the purified water filter element inlet 2021 and the purified water outlet 2022 are arranged in the middle of the upper part of the reverse side of the assembly main body plate 201;

[0076] The three filter elements 303 are respectively matched with the three filter element clamping seats 302, and the water inlet and outlet of the filter element 303 and the filter element clamping seat 302 are provided with water-cutting devices for taking out the filter element 303. The three filter elements 303 are respectively inserted into the three filter element clamping seats 302, the water inlet hole 2016 of the composite filter element is connected with the filter element inlet 308, the water outlet hole 2017 of the composite filter element is connected with the filter element outlet 309, and the RO filter element inlet port 2018 is connected with the filter element inlet 308; the water source is connected with the water inlet 202, the filter element inlet 308 is connected with the pressure barrel port 203, the pure water port is connected with the faucet, and the waste water port 205 is connected with the waste water pipe.

[0077] Process from raw water to purified water: raw water flows through raw water probe water quality detector 7 → composite (P+C) filter element → water inlet solenoid valve 9 → RO water pump 1 → RO filter outlet 2014 → check water probe water quality detector → high pressure switch 12 → pressure barrel port 203 → activated carbon filter element → flow meter 10 → pure water outlet; filtered waste water flows through RO filter outlet 2014 → wastewater solenoid valve 11 → wastewater outlet 205.

[0078] like Figure 1 As shown, it also includes a joint partition 13, a power socket 14 and an anti-skid pad 15; the upper part of the joint partition 13 is provided with 4 perforations, and the water inlet 202, the pressure barrel port 203, the pure water port and the waste water port 205 at the upper end of the assembly main plate 201 form 4 water pipe joints, and the 4 perforations on the joint partition 13 match the shape and size of the 4 joints, and the 4 perforations on the joint partition 13 are sleeved on the 4 joints to play a fixing role; the power socket 14 is arranged on the upper end of the assembly main plate 201 and on one side of the 4 water pipe joints; the anti-skid pad 15 is arranged on the bottom surface of the machine.

[0079] The water inlet 202, the pressure barrel port 203, the pure water port 204 and the waste water port 205 are connected to the connection accessories.

[0080] The embodiments described above are only preferred implementations of the present invention. Common changes and substitutions made by those skilled in the art within the scope of the technical solution of the present invention should be included in the protection scope of the present invention.

Claims

1. A water purifier with a quick filter cartridge replacement, comprising a filter cartridge housing structure and a water pump, characterized in that: It also includes an integrated waterway plate assembly, three filter element main body structures, each filter element main body structure includes a base, a filter element clamping seat, a filter element, two filter element water stop valve assemblies, a button rod, a filter element seat clamping slide plate and two filter element clamping seat water stop valve assemblies; the filter element main body structure is arranged in a horizontal direction; The integrated waterway plate assembly includes an assembly main plate, which is arranged on the left side of the base, and each filter element main structure is provided with a filter element inlet at the upper end and a filter element outlet at the lower end; the upper end of the assembly main plate is provided with a water inlet, a pressure barrel port, a pure water port and a waste water port; the three filter element main structures have the same structure, namely, a filter element main structure A, a filter element main structure B and a filter element main structure C, which are arranged in sequence from bottom to top on the assembly main plate, and a waste water outlet is also provided on one side of the filter element main structure B for discharging the filtered waste water; the base is fixedly connected to the integrated waterway plate assembly main plate by screws, the filter element clamping seat is arranged on the left side of the base and plugged in and connected to each other, and the filter element is arranged on the filter element clamping seat and plugged in and connected to each other; the button rod is arranged on one side of the filter element clamping seat and is arranged in the horizontal direction, and the button rod and the filter element clamping seat are connected by the filter element seat clamping slide; The filter element, filter element clamping seat and base are arranged in sequence from left to right, each filter element includes a filter element main body and two filter element barrels, and a composite filter element and an activated carbon filter element are installed in the two filter element barrels respectively; each filter element clamping seat includes a filter element clamping seat main body and two filter element clamping barrels, and each base includes a base main body and two base clamping seats, and the two filter element barrels, the two filter element clamping barrels and the two base clamping seats are arranged from left to right and correspond to each other on the left and right respectively; the inner cavity of the filter element barrel is provided with a filter element water stop valve assembly, and the inner cavities of the filter element clamping barrel and the base clamping seat are provided with a filter element clamping seat water stop valve assembly, and the two filter element water stop valve assemblies and the two filter element clamping seat water stop valve assemblies are arranged opposite to each other on the left and right respectively, and the filter element water stop valve assembly is arranged on the left side of the filter element clamping seat water stop valve assembly; A compression spring A is installed in the button rod. When the button rod is pressed to the right front, it is compressed. After releasing the button rod, it will automatically bounce back to the left rear. A compression spring B is installed at the front end of the filter element seat clamping slide. When the button rod is pressed to the right front, it is squeezed and compressed by the filter element seat clamping slide. It will bounce outward without external force. The front part of the button rod is an oblique insertion part, which is inclined outward from the back to the front. The outer end of the filter element seat clamping slide and the inner side surface of the oblique insertion part of the button rod are tightly pressed and slidably connected to each other. When the button rod is pressed to the right front, the oblique insertion part pushes the filter element seat clamping slide to move toward the inside of the filter element clamping seat body. The button rod is pressed down, and the filter element seat engaging slide plate is pushed inward along with the inclination of the button rod, and the compression spring A and the compression spring B are compressed. When the button is released, the compression spring A and the compression spring B are automatically ejected, and the button rod and the filter element seat engaging slide plate return to their original positions. A filter element clamping groove is arranged in the main body of the filter element clamping seat, and the filter element clamping groove and the filter element seat clamping slide are an integrated structure, and 2-4 grooves are arranged on both sides of the filter element clamping groove; 2-4 symmetrical chamfers are arranged on both sides of the other end of the filter element seat clamping slide, and the positions of the 2-4 symmetrical chamfers correspond to the positions of the 2-4 grooves; The filter element end is provided with a filter element clamping point, which matches the symmetrical chamfer of the filter element seat clamping slide plate, and the filter element clamping point can easily slide into the symmetrical chamfer to reset and clamp the filter element seat clamping slide plate; The three filter element main bodies are used separately. Press any one of the button rods to pop out the corresponding filter element for filter element replacement. The filter element clamping seat water stop valve assembly includes a piston B, a compression spring C, a piston sealing ring B and a shell sealing ring B; the filter element clamping cylinder is provided with a rear annular platform and a front annular platform, and the right front part of the piston B is provided with an outer concave ring C; the piston sealing ring B is arranged in the outer concave ring C of the piston B, and plays a sealing role before the filter element is installed; the left end of the base clamping seat is provided with a base annular platform, and the shell sealing ring B is arranged between the front annular platform and the base annular platform; the left part of the piston B is inserted into the filter element clamping cylinder and connected with each other with a gap; the right part of the spring D is arranged in the base clamping seat, the left part of the spring D is arranged in the filter element clamping cylinder, and the left end of the spring D is sleeved on the right end of the piston B; when the filter element is not inserted into the filter element clamping seat, the filter element clamping seat water stop valve assembly is in a closed state; When installing the filter element, press it in the installation direction to insert the filter element into the filter element clamping seat. The symmetrical chamfers of the clamping slide of the filter element seat are interlocked with the clamping point of the filter element. The compression spring C is compressed, and the piston B is separated from the sealing position of the rear annular platform of the filter element clamping cylinder and does not play a sealing role. The filter element clamping seat water stop valve assembly is in an open state. At this time, the button rod is not pressed and no external force is applied; on the contrary, when the button rod is pressed forward, the symmetrical chamfers of the clamping slide of the filter element seat are eliminated and interlocked with the clamping point of the filter element, the spring rebounds, and the piston B is pushed up to the left and rear, and the filter element water stop valve assembly is in a sealed state; The front of the integrated water circuit board assembly is provided with: a raw water probe water quality detector mounting hole, a low-pressure switch protector hole, a water inlet solenoid valve water inlet hole, a water outlet hole of the water inlet solenoid valve, an RO water inlet pump interface, an RO water outlet pump interface, a wastewater inlet solenoid valve port, a wastewater outlet solenoid valve port, an RO filter outlet and an RO filter inlet; The raw water probe water quality detector installation hole and the low-pressure switch protector hole are arranged in the middle of the front side of the main body of the assembly, the water inlet solenoid valve water inlet hole and the water outlet hole of the water inlet solenoid valve are arranged in the middle of the lower part of the front of the main body of the assembly, the RO water pump interface and the RO water pump interface are arranged in the middle of the lower end of the front of the main body of the assembly, the waste water inlet solenoid valve port, the waste water solenoid valve port and the RO filter outlet are connected to the check water probe water quality detector and are arranged in the middle of the front of the main body of the assembly, and the RO filter inlet is arranged in the middle of the upper part of the front of the main body of the assembly; One side of the filter element main structure A and the filter element main structure C is respectively provided with a positioning hole.

2. A water purifier with a quick filter cartridge replacement according to claim 1, characterized in that: The filter element housing structure includes an inner support shell, a panel frame, a panel, a chassis outer shell and a bottom plate; three circular inner cavities are arranged side by side on the right side of the inner support shell, and one square inner cavity is arranged on the left side of the inner support shell. Three filter element main structures are sleeved in the three circular inner cavities of the inner support shell, and a water pump is arranged in the square inner cavity sleeved in the inner support shell; the panel frame is arranged on the left side of the inner support shell, and the panel is arranged on the left side of the panel frame; the inner support shell is arranged on the left side of the bottom plate, and the chassis outer shell is sleeved on the outer periphery of the inner support shell.

3. A water purifier with a quick filter cartridge replacement according to claim 1, characterized in that: The filter element clamping groove is provided with three grooves on both sides; and the other end of the filter element seat clamping slide plate is provided with three symmetrical chamfers on both sides.

4. A water purifier with a quick filter cartridge replacement according to claim 1, characterized in that: The filter element water stop valve assembly includes a shell A, a piston A, a tension spring, a piston sealing ring A, and a shell sealing ring A. The shell A is provided with an inner convex ring A and an outer concave ring A, and the upper end of the piston A is provided with an outer concave ring B; the piston sealing ring A is arranged in the outer concave ring B of the piston A, and plays a sealing role before the filter element is installed. The shell sealing ring A is arranged in the outer concave ring A of the shell A, and the upper part of the piston A is penetrated in the inner convex ring A of the shell A, and the two are connected with each other with a gap.

5. A water purifier with a quick filter cartridge replacement according to claim 1, characterized in that: It also includes a raw water probe water quality detector, a low-pressure switch protector, a water inlet solenoid valve, a flow meter, a waste water solenoid valve and a high-pressure switch arranged above the front of the integrated waterway plate assembly; The reverse side of the integrated waterway plate assembly is provided with: a composite filter element water inlet hole, a composite filter element water outlet hole, an RO filter element inlet port, an RO filter element outlet port, a waste water outlet, a clean water filter element inlet port, and a clean water outlet; The raw water probe water quality detector is installed on the raw water probe water quality detector installation hole, and a non-return clean water probe water quality detector is installed in the filtered clean water outlet to detect the filtered water quality; The low-pressure switch protector is installed on the hole of the low-pressure switch protector, the water inlet solenoid valve is arranged above the water inlet hole of the water inlet solenoid valve, the flow meter is arranged below the pure water outlet, and the waste water solenoid valve is arranged above the middle of the front of the main body plate of the assembly; the high-pressure switch is arranged below the pressure barrel opening to protect the pressure barrel opening; the inlet and waste water solenoid valve opening is connected to the waste water outlet, and the outlet of the waste water solenoid valve is connected to the waste water outlet; the RO filter inlet and RO filter outlet are directly connected to the check water probe water quality detector by quick connection; the inlet of the water inlet solenoid valve is connected to the inlet RO water pump interface, and the outlet of the water inlet solenoid valve is connected to the outlet RO water pump interface; The composite filter element water inlet and the composite filter element water outlet are arranged in the middle of the lower part of the reverse side of the assembly main body plate, the RO filter element inlet, the RO filter element outlet and the waste water outlet are arranged in the middle of the reverse side of the assembly main body plate, and the purified water filter element inlet and the purified water outlet are arranged in the middle of the upper part of the reverse side of the assembly main body plate; The three filter elements are respectively matched with the three filter element clamping seats, and the water inlet and outlet of the filter element and the filter element clamping seat are provided with filter element removal and water cut-off devices. The three filter elements are respectively inserted into the three filter element clamping seats, the water inlet hole of the composite filter element is connected with the filter element inlet, the water outlet hole of the composite filter element is connected with the filter element outlet, and the RO filter element inlet port is connected with the filter element inlet; the water source is connected to the water inlet, the filter element inlet is connected to the pressure barrel port, the pure water port is connected to the faucet, and the waste water port is connected to the waste water pipe.

6. A water purifier with a quick filter cartridge replacement according to claim 5, characterized in that: Process from raw water to purified water: raw water flows through raw water probe water quality detector → composite filter element → water inlet solenoid valve → RO water pump → RO filter outlet → check water probe water quality detector → high pressure switch → pressure barrel mouth → activated carbon filter element → flow meter → pure water outlet; filtered waste water flows through RO filter outlet → wastewater solenoid valve → wastewater outlet.

7. A water purifier with a quick filter cartridge replacement according to claim 1, characterized in that: It also includes a joint partition, a power socket and an anti-skid pad; the upper part of the joint partition is provided with 4 through holes, the water inlet, pressure barrel port, pure water port and waste water port on the upper end of the main assembly plate form 4 water pipe joints, the 4 through holes on the joint partition match the shape and size of the 4 joints, and the 4 through holes on the joint partition are sleeved on the 4 joints to play a fixing role; the power socket is arranged at the upper end of the main assembly plate, on one side of the 4 water pipe joints; the anti-skid pad is arranged on the bottom surface of the machine.

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