Water inlet assembly and filtering module of pedestal pan

Abstract

The utility model discloses a water inlet assembly and a filtering module of a pedestal pan. The filtering module comprises a first filtering assembly and a second filtering assembly, the first filtering assembly comprises a filtering support provided with a filtering inlet, a filtering outlet and a filtering flow channel extending from the filtering inlet to the filtering outlet; the first filtering medium is arranged on the filtering flow channel; the second filtering assembly comprises a scale inhibition bracket which is connected to the filtering bracket and is provided with a scale inhibition cavity as well as a charging hole and a scale inhibition outlet which are communicated with the scale inhibition cavity; the second filtering medium is arranged in the scale inhibition cavity; wherein the diameter of the maximum solid particles through which the second filtering medium can pass is smaller than that of the maximum solid particles through which the first filtering medium can pass, one end of the filtering support is inserted into the charging opening to block the charging opening, and the filtering outlet is formed in the end, inserted into the charging opening, of the filtering support and communicated with the scale inhibition cavity. The filtering module is good in filtering effect.

Description

Technical Field

[0001] The present invention relates to sanitary ware technology, especially to a water inlet assembly and a filtration module of a toilet bowl. Background Art

[0002] Intelligent toilet bowls are becoming more and more popular in modern life. At present, most intelligent toilet bowls in the market usually only use a pre-filter or a nylon filter screen to filter water when connecting to municipal water.

[0003] However, the pre-filter or the nylon filter screen can only filter out large particle impurities in the water, and finer impurities in the water will still pass through the pre-filter or the nylon filter screen. The water with these fine particles may be harmful to human health when flushing the human body, and it is also easy to scale in the water circuit of the intelligent toilet bowl. Summary of the Utility Model

[0004] The technical problem to be solved by the present application is how to improve the filtration effect.

[0005] To solve the above technical problem, the present application proposes a filtration module, which includes: a first filtration component and a second filtration component;

[0006] The first filtration component includes:

[0007] A filtration bracket, provided with a filtration inlet, a filtration outlet, and a filtration flow channel extending from the filtration inlet to the filtration outlet; and,

[0008] A first filtration medium, arranged on the filtration flow channel;

[0009] The second filtration component includes:

[0010] A scale inhibitor bracket, connected to the filtration bracket, provided with a scale inhibitor cavity, a charging port and a scale inhibitor outlet both communicating with the scale inhibitor cavity; and

[0011] A second filtration medium, arranged in the scale inhibitor cavity;

[0012] Wherein, the diameter of the largest solid particle that the second filtration medium can pass through is smaller than the diameter of the largest solid particle that the first filtration medium can pass through. One end of the filtration bracket is inserted into the charging port to block the charging port, and the filtration outlet is arranged at the end of the filtration bracket inserted into the charging port and communicates with the scale inhibitor cavity.

[0013] In this way, water is input from the filtration inlet into the filtration flow channel of the filtration bracket. When the water flows through the filtration flow channel, larger particulate impurities in the water will be filtered out by the first filtration medium. The filtered water is then transported to the scale inhibition cavity through the filtration outlet. When the water flows through the scale inhibition cavity, smaller particulate impurities in the water will be filtered out by the second filtration medium. The water after double filtration is output from the scale inhibition outlet, which is purer and can reduce the generation of scale in the downstream water circuit. When this water is used as body flushing water, it can also reduce the health risks of the human body. In particular, this filtration module has a simple structure, high integration, and a compact structure.

[0014] Other features and advantages of the present application will be described in the subsequent specification. Moreover, some of them will become apparent from the specification or be understood by implementing the present application. Other advantages of the present application can be achieved and obtained through the solutions described in the specification and the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings are used to provide an understanding of the technical solutions of the present application and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the technical solutions of the present application and do not constitute a limitation to the technical solutions of the present application.

[0016] Figure 1 is a three-dimensional schematic diagram of a filtration module in an embodiment of the present application;

[0017] Figure 2 is a cross-sectional schematic diagram of a filtration module in an embodiment of the present application;

[0018] Figure 3 is a disassembled schematic diagram of a filtration module in an embodiment of the present application;

[0019] Figure 4 is a three-dimensional schematic diagram of a plug in an embodiment of the present application;

[0020] Figure 5 is a three-dimensional schematic diagram of a water inlet assembly in an embodiment of the present application;

[0021] Figure 6 is a top view schematic diagram of a water inlet assembly in an embodiment of the present application;

[0022] Figure 7 is a disassembled schematic diagram of a water inlet assembly in an embodiment of the present application;

[0023] Figure 8 is a schematic diagram of the water flow direction of the water inlet assembly in an embodiment of the present application;

[0024] Figure 9 is a cross-sectional schematic diagram of the third valve in the closed state in an embodiment of the present application;

[0025] Figure 10Schematic perspective view of the flushing valve and the flushing adapter in the embodiments of the present application;

[0026] Figure 11 Partial cross-sectional schematic view of a water inlet assembly in the embodiments of the present application;

[0027] Figure 12 Exploded schematic view of a water inlet assembly in the embodiments of the present application;

[0028] Figure 13 Front view schematic view of a mounting bracket in the embodiments of the present application;

[0029] Figure 14 Top view schematic view of a mounting bracket in the embodiments of the present application;

[0030] Figure 15 Schematic perspective view of a mounting bracket in the embodiments of the present application;

[0031] Figure 16 Schematic perspective view of a liquid replenishing switch in the embodiments of the present application;

[0032] Figure 17 Cross-sectional schematic view of a water inlet assembly with the liquid adding cover in the disassembled state in the embodiments of the present application;

[0033] Figure 18 Cross-sectional schematic view of a water inlet assembly with the liquid adding cover in the installed state in the embodiments of the present application;

[0034] Figure 19 Simplified schematic view of the structure of a foam generator in the embodiments of the present application;

[0035] Figure 20 Schematic perspective view of a flow limiting device in the embodiments of the present application;

[0036] Figure 21 Cross-sectional schematic view of a flow limiting device in the embodiments of the present application.

[0037] Reference numerals:

[0038] 100. Water inlet assembly; 1. Mounting bracket; 11. Mounting cylinder; 111. First water inlet; 112. Second water outlet; 113. First water outlet; 116. Internal thread; 117. Water outlet joint; 13. Foam liquid chamber; 130. Liquid replenishment chamber; 131. Liquid replenishment port; 132. Liquid outlet; 2. Flushing valve; 21. Water inlet; 22. Water outlet; 23. Protrusion; 1a. Filter module; 31. Flow limiting device; 311. Base; 3111. Pipe body; 31111. Water inlet end; 31113. Water passage; 31114. Passage inlet; 31115. Passage outlet; 31112. Water outlet end; 3112. First connecting part; 31121. Cylinder; 31122. Connecting bar; 3114. Limit protrusion; 312. Flow limiting sheet; 313. Water passing gap; 4. First filter assembly; 41. Filter bracket; 411. Bracket body; 4111. Filter inlet; 4112. Filter outlet; 4113. Filter flow channel; 4114. First limiting part; 412. Plug; 413. Limit protrusion; 414. First buckle; 42. First filter medium; 5. Second filter assembly; 51. Scale inhibitor bracket; 511. Scale inhibitor chamber; 513. Scale inhibitor outlet; 515. Annular groove; 516. Handle; 517. External thread; 518. Loading port; 519. First buckle hole; 520. Limit groove; 521. Second limiting part; 52. Scale inhibitor; 53. Second filter medium; 54. Cylindrical gap; 7. Third valve; 71. Seat body; 711. Valve seat; 712. Connecting seat; 713. Connecting part; 74. Elastic part; 75. Closing part; 751. Valve rod; 752. Valve flap; 77. Sealing gasket; 711. Valve seat; 712. Connecting seat; 82. Liquid adding cover; 83. Water delivery pipe; 9. Flushing adapter; 91. Water inlet joint; 92. Elbow; 93. Clamping seat; 931. Card slot; 932. Disassembly and assembly opening;

[0039] 9a. Liquid replenishment switch; 91a. Insulating housing; 90a. Installation cavity; 911a. Installation hole; 92a. Conductive contact; 921a. Contact head part; 922a. Body part; 93a. Elastic conductive sheet; 931a. First end; 932a. Second end;

[0040] 200a. Foam generator; 21a. Machine shell; 211a. Liquid storage cavity; 212a. Mixed liquid cavity; 213a. Foam liquid inlet; 214a. Exhaust port; 215a. Diluted water inlet; 216a. Mixed liquid outlet; 22a. Liquid pumping pump; 221a. Input port; 222a. Output port. Detailed implementation manners

[0041] This application describes multiple embodiments, but the description is exemplary rather than restrictive, and it will be apparent to those of ordinary skill in the art that there can be more embodiments and implementation solutions within the scope of the embodiments described in this application. Although many possible combinations of features are shown in the drawings and discussed in the detailed description, many other combinations of the disclosed features are also possible. Unless specifically restricted, any feature or element of any embodiment can be combined with any other feature or element in any other embodiment, or can replace any other feature or element in any other embodiment.

[0042] This application includes and contemplates combinations with features and elements known to those of ordinary skill in the art. The embodiments, features, and elements disclosed in this application can also be combined with any conventional features or elements to form unique inventive solutions. Any feature or element of any embodiment can also be combined with features or elements from other inventive solutions to form another unique inventive solution. Therefore, it should be understood that any feature shown and / or discussed in this application can be implemented alone or in any suitable combination. Therefore, the embodiments are not subject to other limitations except those made in accordance with the appended claims and their equivalents. In addition, various modifications and changes can be made within the scope of the appended claims.

[0043] In addition, when describing representative embodiments, the specification may have presented the method and / or process as a specific sequence of steps. However, to the extent that the method or process does not depend on the specific order of the steps described herein, the method or process should not be limited to the specific order of steps described. As will be understood by those of ordinary skill in the art, other step orders are possible. Therefore, the specific order of steps set forth in the specification should not be construed as a limitation on the claims. In addition, the claims directed to the method and / or process should not be limited to performing their steps in the order written, and those skilled in the art can readily understand that these orders can vary and still remain within the spirit and scope of the embodiments of this application.

[0044] As Figures 1 - 3 shown, Figures 1 - 3 Figure 1a shows a filtering module 1a in an embodiment of this application. The filtering module 1a includes a first filtering component 4 and a second filtering component 5. The first filtering component 4 is connected to the second filtering component 5.

[0045] The first filtering component 4 includes a filtering support 41 and a first filtering medium 42. The filtering support 41 is provided with a filtering inlet 4111, a filtering outlet 4112, and a filtering flow channel 4113. The filtering flow channel 4113 is arranged inside the filtering support 41 and extends from the filtering inlet 4111 to the filtering outlet 4112. The shape of the filtering flow channel 4113 is not limited. The filtering flow channel 4113 can be a straight flow channel or a curved flow channel.

[0046] As Figure 2 shown, the first filtering medium 42 is fixed on the filtering support 41, and the first filtering medium 42 is arranged inside the filtering flow channel 4113. The first filtering medium 42 is used to filter solid particle impurities in water. The first filtering medium 42 can be a filter screen. The filter screen is provided with a plurality of mesh holes. The size of the mesh holes can be 100 mesh. This filter screen is, for example, a nylon mesh or a metal mesh. The first filtering medium 42 can also be a granular medium, a porous medium, activated carbon, diatomaceous earth, gauze, canvas, filter paper, filter membrane, polypropylene fiber, polyester fiber, polytetrafluoroethylene, or glass fiber. When the water flow inside the filtering flow channel 4113 passes through the first filtering medium 42, the solid particle impurities in the water will be filtered out.

[0047] The second filtering component 5 includes a scale inhibitor support 51 and a second filtering medium 53. The scale inhibitor support 51 is connected to the filtering support 41. A scale inhibitor cavity 511 is arranged inside the scale inhibitor support 51. A charging port 518 and a scale inhibitor outlet 513 are arranged on the scale inhibitor support 51. The scale inhibitor cavity 511 can be arranged as a cylindrical cavity. Both the charging port 518 and the scale inhibitor outlet 513 are through holes penetrating the wall surface of the scale inhibitor cavity 511. Both the charging port 518 and the scale inhibitor outlet 513 communicate with the scale inhibitor cavity 511.

[0048] The second filtering medium 53 is arranged inside the scale inhibitor cavity 511. The second filtering medium 53 is used to filter solid particle impurities in water. The second filtering medium 53 can be PP cotton, and can also be a porous medium, activated carbon, diatomaceous earth, filter membrane, polypropylene fiber, polyester fiber, polytetrafluoroethylene, or glass fiber. The diameter of the largest solid particle that the second filtering medium 53 can pass through is smaller than the diameter of the largest solid particle that the second filtering medium 53 can pass through.

[0049] The filtering support 41 is connected to the scale inhibitor support 51. One end of the filtering support 41 is inserted into the charging port 518 of the scale inhibitor support 51. The filtering support 41 plugs the charging port 518. The filtering outlet 4112 of the filtering support 41 is arranged at the end of the end of the filtering support 41 inserted into the charging port 518 of the scale inhibitor support 51, and the filtering outlet 4112 of the filtering support 41 is communicated with the scale inhibitor cavity 511 inside the scale inhibitor support 51.

[0050] In this way, water is input from the filtration inlet 4111 into the filtration flow channel 4113 of the filtration bracket 41. When the water flows through the filtration flow channel 4113, larger particulate impurities in the water are filtered out by the first filtration medium 42. The filtered water is then transported to the scale inhibition cavity 511 through the filtration outlet 4112. When the water flows through the scale inhibition cavity 511, smaller particulate impurities in the water are filtered out by the second filtration medium 53. The water after double filtration is output from the scale inhibition outlet, which is purer and can reduce the generation of scale in the downstream water circuit. When this water is used as body flushing water, it can also reduce the health risks of the human body. In particular, this filtration module 1a has a simple structure, high integration, and is compact.

[0051] In a schematic embodiment, as Figure 2 , 3 shown, the second filtration medium 53 is configured as a cylindrical shape. The second filtration medium 53 is preferably configured as a cylindrical shape. One end of the second filtration medium 53 abuts against the filtration bracket 41, and the other end of the second filtration medium 53 abuts against the top wall of the scale inhibition cavity 511 facing away from the charging port 518. The filtration outlet 4112 on the filtration bracket 41 is connected to one end of the internal channel of the second filtration medium 53. The scale inhibition outlet is provided on the side wall of the scale inhibition cavity 511.

[0052] The filtration outlet 4112 can inject water into one end of the internal channel of the second filtration medium 53. Since the opposite ends of the second filtration medium 53 are respectively blocked by the end of the filtration bracket 41 and the top wall of the scale inhibition cavity 511, the water in the internal channel of the second filtration medium 53 can only penetrate radially outward along the second filtration medium 53. The particulate impurities are filtered out during the penetration process of the water. At the same time, since the second filtration medium 53 is configured as a cylindrical shape and has a large filtration area, the resistance of the second filtration medium 53 to water is small, and the water flow rate at the scale inhibition outlet increases accordingly.

[0053] In a schematic embodiment, as Figure 2 shown, there is a cylindrical gap 54 between the outer peripheral wall of the second filtration medium 53 and the side wall of the scale inhibition cavity 511. This cylindrical gap 54 is connected to the scale inhibition outlet.

[0054] Since there is a cylindrical gap 54 between the outer peripheral wall of the second filtration medium 53 and the side wall of the scale inhibition cavity 511, the resistance to the outward penetration of the water in the internal channel of the second filtration medium 53 can be reduced, and the water flow rate at the scale inhibition outlet can be increased.

[0055] In a schematic embodiment, a first limiting portion 4114 is provided at one end of the filtering support 41 inserted into one end of the charging opening 518 of the scale inhibitor support 51. The first limiting portion 4114 can be configured as a cylindrical shape, and one end of the first limiting portion 4114 is connected to the filtering support 41. A second limiting portion 521 is provided on the top wall of the scale inhibitor cavity 511 facing away from the charging opening 518, and the second limiting portion 521 can be configured as a cylindrical shape. The first limiting portion 4114 and the second limiting portion 521 are respectively inserted into opposite ends of the second filtering medium 53. The first limiting portion 4114 and the second limiting portion 521 can be in interference fit with the second filtering medium 53.

[0056] In this way, the first limiting portion 4114 and the second limiting portion 521 can fix opposite ends of the second filtering medium 53, preventing the second filtering medium 53 from moving radially, so that the distance between the second filtering medium 53 and the side wall of the scale inhibitor cavity 511 remains unchanged. At the same time, the first limiting portion 4114 and the second limiting portion 521 are inserted into both ends of the second filtering medium 53, which can improve the sealing effect at both ends of the second filtering medium 53 and prevent the water in the internal channel of the second filtering medium 53 from flowing directly out from both ends of the second filtering medium 53.

[0057] In a schematic embodiment, as Figure 8 shown, the second filtering assembly 5 further includes a scale inhibitor 52. The scale inhibitor 52 is disposed in the internal channel of the second filtering medium 53. The scale inhibitor 52 has the functions of dispersing insoluble inorganic salts in water and preventing or interfering with the precipitation and scaling of insoluble inorganic salts on the metal surfaces in the subsequent water path and the cavities of each component. The scale inhibitor 52 can be configured as solid particles or as a porous structure in a block shape.

[0058] When water flows through the internal channel of the second filtering medium 53, the scale inhibitor 52 can chelate metal cations in the water to prevent scale formation.

[0059] In a schematic embodiment, the charging opening 518 of the scale inhibitor support 51 can be a circular opening, and the diameter of the charging opening 518 is larger than the inner diameter of the second filtering medium 53, and the second filtering medium 53 can pass through the charging opening 518.

[0060] The filtering support 41 is detachably connected to the scale inhibitor support 51. The filtering support 41 and the scale inhibitor support 51 can be detachably connected by snap connection, threaded connection or screw connection. The filtering support 41 seals the charging opening 518 of the scale inhibitor support 51.

[0061] When the scale inhibitor 52 and the second filter medium 53 in the scale inhibitor bracket 51 need to be replaced, the user can remove the filter bracket 41 from the scale inhibitor bracket 51 to open the loading port 518 on the scale inhibitor bracket 51, and then replace the second filter medium 53 and the scale inhibitor 52 in the scale inhibitor chamber 511 through the loading port 518, and then reinstall the filter bracket 41 onto the scale inhibitor bracket 51. Thus, the user can conveniently replace the scale inhibitor 52 and the second filter medium 53 by themselves, and the user experience is better.

[0062] In a schematic embodiment, as Figure 3 shown, a detachable snap connection is adopted between the filter bracket 41 and the scale inhibitor bracket 51. A plurality of first snaps 414 are provided on the filter bracket 41. A plurality of first snap holes 519 are provided at one end of the scale inhibitor bracket 51 close to the filter bracket 41. The first snap holes 519 are configured as through holes penetrating the side wall of the scale inhibitor bracket 51. The number of the first snaps 414 and the first snap holes 519 can both be 2. The plurality of first snaps 414 hook the plurality of first snap holes 519, thereby connecting the filter bracket 41 and the scale inhibitor together.

[0063] In this way, during assembly, only the filter bracket 41 and the scale inhibitor bracket 51 need to be docked so that the plurality of first snaps 414 hook the plurality of first snap holes 519, thereby assembling the filter bracket 41 and the scale inhibitor bracket 51 together, which improves the assembly speed. During disassembly, only the first snaps 414 need to be pushed out of the first snap holes 519 to separate the filter bracket 41 and the scale inhibitor bracket 51.

[0064] In a schematic embodiment, as Figure 3 shown, a limiting groove 520 is further provided at one end of the scale inhibitor bracket 51 facing the filter bracket 41. The limiting groove 520 is located on one side of the loading port 518. The opening of the limiting groove 520 faces the filter bracket 41. A limiting protrusion 413 is provided on the side wall of the filter bracket 41. The limiting protrusion 413 protrudes radially outward from the surface of the filter bracket 41. The limiting protrusion 413 of the filter bracket 41 is received in the limiting groove 520 of the scale inhibitor bracket 51. The limiting groove 520 and the limiting protrusion 413 can both be provided in two. The two limiting grooves 520 are respectively located on opposite sides of the loading port 518. The two limiting protrusions 413 are respectively arranged corresponding to the two limiting grooves 520, and the two limiting protrusions 413 are respectively received in the two limiting grooves 520.

[0065] Since the limiting protrusion 413 of the filter bracket 41 is received in the limiting groove 520 of the scale inhibitor bracket 51, the scale inhibitor bracket 51 and the limiting protrusion 413 cannot rotate relative to each other, thereby effectively preventing the snap connection between the scale inhibitor bracket 51 and the limiting protrusion 413 from being damaged.

[0066] In a schematic embodiment, both the scale inhibitor support 51 and the filter support 41 are configured as cylindrical shapes. The scale inhibitor support 51 and the filter support 41 are coaxially arranged. One end of the scale inhibitor support 51 and the filter support 41 that are close to each other are connected to each other.

[0067] The scale inhibitor cavity 511 is configured as a generally columnar cavity and is coaxial with the scale inhibitor support 51. The charging port 518 and the limit groove 520 are both arranged at one end of the scale inhibitor support 51 facing the filter support 41, and one end of the scale inhibitor support 51 facing away from the filter support 41 is closed. The scale inhibitor outlet 513 is arranged on the side wall of the scale inhibitor support 51 and penetrates the side wall of the scale inhibitor support 51.

[0068] One end of the filter support 41 facing away from the scale inhibitor support 51 is closed. The unclosed end of the filter support 41 is provided with a filter outlet 4112 and is inserted into the charging port 518 to block the charging port 518. The first buckle 414 and the limit projection 413 are both arranged on the outer side wall of the filter support 41 inserted into the charging port 518. The filter inlet 4111 is arranged on the side wall of the filter support 41.

[0069] In this way, both the scale inhibitor support 51 and the filter support 41 are configured as cylindrical shapes, and the scale inhibitor support 51 and the filter support 41 are coaxially arranged, so that the overall filtration module 1a is straight, with a compact structure, small occupied space, and is convenient to be inserted into a straight chamber.

[0070] In a schematic embodiment, as Figure 3 shown, there are multiple filter inlets 4111 provided on the filter support 41. There are multiple filter inlets 4111 provided, preferably two. The filter flow channels 4113 extend from each of the filter inlets 4111 to the filter outlet 4112;

[0071] The first filter medium 42 is configured as a cylindrical filter screen. The filter medium is arranged in the filter flow channels 4113 and is coaxial with the filter support 41. The first filter medium 42 covers all the filter inlets 4111 on the filter support 41.

[0072] In this way, the first filter medium 42 is inlaid in the filter support 41, and the first filter medium 42 is not easily detached from the filter support 41. At the same time, there are multiple filter inlets 4111 provided on the filter support 41, and the cylindrical first filter medium 42 covers all the filter inlets 4111, which can make the first filter medium 42 as large as possible in a limited space and reduce the resistance of the first filter medium 42 to the water flow.

[0073] In a schematic embodiment, as Figure 3As shown in the figure, the filter bracket 41 includes a bracket body 411, a plugging portion 415 and a plug 412. The bracket body 411 is configured as a cylindrical structure. The bracket body 411 is coaxially arranged with the scale inhibitor bracket 51. One end of the bracket body 411 that is closed is inserted into the charging port 518 of the scale inhibitor bracket 51. A plurality of filter inlets 4111, limit protrusions 413 and first buckles 414 are all arranged on the side wall of the bracket body 411. A filter flow channel 4113 is arranged inside the bracket body 411. The plug 412 plugs one end of the bracket body 411 facing away from the scale inhibitor bracket 51. The plugging portion 415 plugs one end of the bracket body 411 facing away from the plug 412. The plug 412 and the bracket body 411 can be connected by a buckle. A filter outlet 4112 is arranged on the plugging portion 415 and penetrates through the plugging portion 415. The plugging portion 415 is located inside the charging port 518 and plugs the charging port 518. One end of the filter outlet 4112 is connected to the filter flow channel 4113 of the scale inhibitor bracket 51, and the other end of the filter outlet 4112 is connected to the scale inhibitor cavity 511.

[0074] In a schematic embodiment, the first filter medium 42 and the filter bracket 41 are integrally formed structures. A rubber coating layer is provided on the surface of the filter bracket 41, and the rubber coating layer connects the first filter medium 42 to the filter bracket 41, so that the first filter medium 42 and the filter bracket 41 are integrally formed.

[0075] The integrally formed structure of the first filter medium 42 and the filter bracket 41 can reduce the number of parts and assembly steps.

[0076] In a schematic embodiment, the first filter medium 42 is a 100-mesh filter screen, which can be a metal filter screen or a nylon filter screen. The second filter medium 53 is PP cotton.

[0077] The first filter medium 42 configured as a filter screen can filter out large particulate impurities in water. The PP cotton is made of polyester fiber, and the second filter medium 53 configured as PP cotton can filter colloidal impurities, micro mud, rust, insect eggs and organic polluted mineral debris with a diameter greater than 5 microns in water. The PP cotton has a low cost and good filtering effect.

[0078] In a schematic embodiment, as Figures 5 - 8 shown, this embodiment also proposes a water inlet assembly 100 for a toilet. The water inlet assembly 100 includes the filter module 1a and the mounting bracket 1 as described above. The mounting bracket 1 includes a mounting cylinder 11. The mounting cylinder 11 is configured as a roughly cylindrical shape. The first filter assembly 4 and the second filter assembly 5 are both arranged inside the mounting cylinder 11. The first filter assembly 4 and the second filter assembly 5 are arranged in sequence along the axial direction of the mounting cylinder 11. The mounting cylinder 11 can be vertically arranged, and the first filter assembly 4 is located below the second filter assembly 5. The scale inhibitor bracket 51 is detachably connected to the mounting cylinder 11. The scale inhibitor bracket 51 is connected to the filter bracket 41.

[0079] The installation cylinder 11 is sleeved on the scale inhibitor support 51, which can prevent the scale inhibitor support 51 from bursting under the action of water pressure. Since the scale inhibitor support 51 is connected to the filtration support 41 and the scale inhibitor support 51 is detachably connected to the installation cylinder 11, the first filtration assembly 4 and the second filtration assembly 5 can be inserted into the installation cylinder 11 as a whole at the same time, or can be detached from the installation cylinder 11 at the same time. The disassembly and assembly of the first filtration assembly 4 and the second filtration assembly 5 are more convenient, which is convenient for cleaning the impurities on the first filtration medium 42 and replacing the scale inhibitor.

[0080] In a schematic embodiment, a first water inlet 111 and a first water outlet 113 are provided on the installation cylinder 11. The first water inlet 111 is provided at the end of the installation cylinder 11 close to the first filtration assembly 4. The first water outlets 113 are all provided on the side wall of the installation cylinder 11.

[0081] The first water inlet 111 is used for externally connecting a tap water supply water pipe. The first water inlet 111 on the installation cylinder 11 is communicated with the filtration inlet 4111 on the filtration support 41. The first water outlet 113 on the installation cylinder 11 is communicated with the scale inhibitor outlet 513.

[0082] In this way, water can flow through the first water inlet 111 of the installation support 1, the filtration inlet 4111 of the first filtration assembly 4, the filtration flow channel 4113, the filtration outlet 4112, the scale inhibitor cavity 511 of the second filtration assembly 5, the scale inhibitor outlet 513, and the first water outlet 113 of the installation support 1 in sequence, and is output from the first water outlet 113 of the installation support 1.

[0083] The first water outlet 113 can be used for communicating with a body cleaning assembly and a foam generator. The first water outlet 113 conveys the purified water to the body cleaning assembly and the foam generator respectively as body cleaning water and foam liquid dilution water. At the same time, the water output from the first water outlet 113 has been triple-purified by the first filtration assembly 4 and the second filtration assembly 5, and the water is purer. When used as body cleaning water to wash the body, it can ensure human health, and when used as foam liquid dilution water, it can prevent damage caused by impurities entering the foam generator.

[0084] In a schematic embodiment, an annular groove 515 is provided on the outer peripheral wall of the scale inhibitor support 51. The annular groove 515 can be circular and surround the scale inhibitor support 51. The scale inhibitor outlet 513 is provided at the bottom of the annular groove 515.

[0085] The installation cylinder 11 is sleeved on the scale inhibitor support 51, and the inner peripheral wall of the installation cylinder 11 covers the opening of the annular groove 515 of the scale inhibitor support 51. The first water outlet 113 of the installation cylinder 11 is flush with the annular groove 515 of the scale inhibitor support 51 in the axial direction of the installation cylinder 11, and the first water outlet 113 of the installation cylinder 11 is communicated with the annular groove 515.

[0086] In this way, the first water outlet 113 on the installation cylinder 11 can communicate with the scale inhibitor outlet 513 of the scale inhibitor support 51 through the annular groove 515, so that it is not necessary to require the first water outlet 113 to be precisely aligned with the scale inhibitor outlet 513, reducing the requirement for the matching accuracy between the installation cylinder 11 and the scale inhibitor support 51, and making production and installation more convenient.

[0087] In a schematic embodiment, as Figure 8 shown, a handle 516 is provided at one end of the scale inhibitor support 51 facing away from the installation support 1, and the handle 516 extends out of the installation cylinder 11. The handle 516 can be configured as a plate-like structure.

[0088] The user can operate the handle 516 to rotate the scale inhibitor support 51, making it more convenient to disassemble and assemble the scale inhibitor support 51.

[0089] In a schematic embodiment, as Figure 8 shown, an internal thread 116 is provided on the inner peripheral wall of the installation cylinder 11. An external thread 517 that engages with the internal thread 116 is provided on the outer peripheral wall of the scale inhibitor support 51. The external thread 517 of the scale inhibitor support 51 can be provided at one end of the scale inhibitor support 51 close to the filter support 41.

[0090] A threaded connection is formed between the scale inhibitor support 51 and the installation cylinder 11 through the cooperation of the internal thread 116 and the external thread 517. The scale inhibitor support 51 can be disassembled and assembled only by rotating it relative to the installation cylinder 11, making the disassembly and assembly of the scale inhibitor support 51 more convenient.

[0091] In a schematic embodiment, the water inlet assembly further includes a foam generator 200a, a controller, a liquid replenishment switch 9a, and a liquid filling cap 82.

[0092] As Figure 7 、 14 shown, a liquid replenishment chamber 13 is provided on the installation support 1. The liquid replenishment chamber 13 can be configured as a generally box-like structure. The liquid replenishment chamber 13 includes a liquid replenishment port 131, a liquid outlet 132, and a liquid replenishment cavity 130. The liquid replenishment port 131 can be provided at the top of the liquid replenishment chamber 13 and is in communication with the liquid replenishment cavity 130. The liquid outlet 132 can be provided at the bottom of the liquid replenishment chamber 13 and is in communication with the liquid replenishment cavity 130. The liquid outlet 132 is in communication with the foam generator 200a for delivering foam liquid to the foam generator 200a. After the user adds foam liquid into the liquid replenishment cavity 130 through the liquid replenishment port 131, the foam liquid enters the liquid replenishment cavity 130 and is output from the liquid outlet 132 to the foam generator 200a.

[0093] As Figure 18As shown, the liquid filling cap 82 is closed on the liquid filling port 131 of the liquid replenishing chamber 13. The liquid filling cap 82 is used to seal the liquid filling port 131 of the liquid replenishing chamber 13. The liquid filling cap 82 and the liquid replenishing chamber 13 are detachably connected. The user can detach the liquid filling cap 82 from the liquid filling port 131 of the liquid replenishing chamber 13.

[0094] The liquid replenishing switch 9a is arranged on the liquid replenishing chamber 13 and is located at a position where it can contact the liquid filling cap 82. As Figure 18 shown, when the liquid filling cap 82 is in the state of being closed on the liquid filling port 131, it will squeeze the liquid replenishing switch 9a. As Figure 17 shown, when the liquid filling cap 82 is in the state of being separated from the liquid filling port 131, it no longer squeezes the liquid replenishing switch 9a. The liquid replenishing switch 9a is configured to change from never being squeezed by the liquid filling cap 82 to being squeezed by the liquid filling cap 82 to issue a liquid replenishing instruction.

[0095] As Figure 11 、 19 shown, the foam generator 200a includes a housing 21a, a liquid pumping pump 22a, and a foaming device (not shown in the figure). The housing 21a can be constructed into a substantially cubic structure. A liquid storage chamber 211a and a liquid mixing chamber 212a are arranged in the housing 21a. The liquid storage chamber 211a and the liquid mixing chamber 212a can be arranged side by side. A foam liquid inlet 213a, an exhaust port 214a, a dilution water inlet 215a, and a mixed liquid outlet 216a are also arranged on the housing 21a. Both the foam liquid inlet 213a and the exhaust port 214a are connected to the liquid storage chamber 211a. The liquid outlet 132 on the mounting bracket 1 is connected to the foam liquid inlet 213a, and the foam liquid output from the liquid outlet 132 can enter the liquid storage chamber 211a through the foam liquid inlet 213a for storage. The exhaust port 214a is arranged at the top of the liquid mixing chamber 212a and is used to discharge the air in the liquid storage chamber 211a when the foam liquid enters the liquid storage chamber 211a from the foam liquid inlet 213a. Both the dilution water inlet 215a and the mixed liquid outlet 216a communicate with the liquid mixing chamber 212a. The dilution water inlet 215a is connected to the first water outlet 113 on the mounting cylinder. The dilution water inlet 215a is used to receive dilution water, and the dilution water is the water output after being filtered by the filtration module 1a.

[0096] The liquid pumping pump 22a is connected to the housing 21a. The liquid pumping pump 22a can be arranged below the housing 21a. The liquid pumping pump 22a is provided with an input port 221a and an output port 222a. The input port 221a of the liquid pumping pump 22a is connected to the liquid storage chamber 211a, and the output port 222a of the liquid pumping pump 22a is connected to the liquid mixing chamber 212a. When the liquid pumping pump 22a operates, it can pump the foam liquid in the liquid storage chamber 211a to the liquid mixing chamber 212a. The foaming device is connected to the mixed liquid outlet 216a through a pipeline. The foaming device is used to mix air and the diluted foam liquid output from the mixed liquid outlet 216a into foam.

[0097] AsFigure 19 As shown, the liquid extraction pump 22a pumps the foam liquid from the liquid storage chamber 211a to the liquid mixing chamber 212a. Dilution water is transported from the dilution water inlet 215a to the liquid mixing chamber 212a to dilute the foam liquid in the liquid mixing chamber 212a. The dilution water and the foam liquid are mixed in the liquid mixing chamber 212a to form diluted foam liquid, and then the diluted foam liquid is transported to the foaming device through the mixed liquid outlet 216a. The foaming device can mix air and the diluted foam liquid into foam.

[0098] The controller is a logic control unit. The controller can be a microcomputer or a single-chip microcomputer. The controller is electrically connected to the liquid extraction pump 22a and the liquid replenishment switch 9a respectively through wires. The liquid replenishment instruction is used to instruct the liquid extraction pump 22a of the foam generator 200a to pump the foam liquid in the liquid storage chamber 211a to the liquid mixing chamber 212a. The controller is configured to drive the liquid extraction pump 22a to pump the foam liquid in the liquid storage chamber 211a into the liquid mixing chamber 212a based on the received liquid replenishment instruction. The controller can control the liquid extraction pump 22a to operate for a preset duration so that the concentration of the foam liquid in the liquid mixing chamber 212a is greater than or equal to the lower limit of the foam liquid concentration that can be mixed with air to generate foam. The preset duration can be calibrated in advance, for example, it is 8ms - 200ms.

[0099] In this way, when the foam generator 200a no longer outputs foam, it indicates that the foam liquid in the foam generator 200a has been exhausted, and the concentration of the foam liquid in the liquid mixing chamber 212a is very small, and the foam liquid needs to be added again. The user removes the liquid filling cap 82 on the liquid replenishment port 131, and then adds foam liquid to the liquid replenishment port 131. The foam liquid enters the liquid replenishment chamber 130 from the liquid replenishment port 131, and the foam liquid in the liquid replenishment chamber 130 is then transported to the liquid storage chamber 211a of the foam generator 200a through the liquid outlet 132. After the foam liquid addition is completed, the user covers the liquid filling cap 82 on the liquid replenishment port 131 again.

[0100] As Figure 17 shown, when the user removes the liquid filling cap 82, the liquid replenishment switch 9a is no longer squeezed by the liquid filling cap 82. As Figure 18 shown, and when the user covers the liquid filling cap 82 on the liquid replenishment port 131 again, the liquid filling cap 82 squeezes the liquid replenishment switch 9a again. Therefore, when the user adds the foam liquid and covers the liquid filling cap 82, the liquid replenishment switch 9a changes from the state of not being squeezed by the liquid filling cap 82 to the state of being squeezed by the liquid filling cap 82, and the liquid replenishment switch 9a issues a liquid replenishment instruction. The liquid extraction pump 22a of the foam generating device pumps the foam liquid into the liquid mixing chamber 212a of the foam generator 200a, thereby increasing the concentration of the diluted foam liquid in the liquid mixing chamber 212a. In this way, when the foam generator 200a makes foam for the first time just after the foam liquid is replenished, since the concentration of the diluted foam liquid in the liquid mixing chamber 212a is increased, these diluted foam liquids can be smoothly made into foam by the bubble device after being transported to the foaming device.

[0101] Water flows through the first water inlet 111, the filtration module 1a, and the first water outlet 113 in sequence, and then is transported from the first water outlet 113 into the mixing liquid chamber 212a of the foam generator 200a as dilution water to dilute the foam liquid. Since the water is filtered when flowing through the filtration module 1a, impurities in the water are filtered out, preventing impurities from entering the foam generator 200a and causing damage to the foam generator 200a.

[0102] In a schematic embodiment, as Figure 16 shown, the liquid replenishment switch 9a includes an insulating housing 91a, a conductive contact 92a, and an elastic conductive sheet 93a. The insulating housing 91a is made of insulating material, such as plastic. The insulating housing 91a has a thin shell structure. An installation cavity 90a is provided inside the insulating housing 91a, and an installation hole 911a is provided on the wall surface of the installation cavity 90a. The installation hole 911a is a through hole. The insulating housing 91a is connected to the liquid replenishment chamber 13, and the installation hole 911a is provided on the side wall of the insulating housing 91a facing the liquid replenishment chamber 13.

[0103] The conductive contact 92a is made of conductive material and can conduct electricity. The conductive contact 92a can be made of metal material. The conductive contact 92a includes a main body portion 922a and a contact head portion 921a. The main body portion 922a is arranged inside the installation cavity 90a. The contact head portion 921a is connected to the main body portion 922a, and the contact head portion 921a passes through the installation hole 911a. The end of the contact head portion 921a facing away from the main body portion 922a extends out of the insulating housing 91a.

[0104] The elastic conductive sheet 93a is made of conductive material, such as metal material. The elastic conductive sheet 93a has elasticity and can undergo bending elastic deformation. The elastic conductive plate can be configured as a sheet structure, for example, it can be configured as a strip-shaped sheet structure. The elastic conductive sheet 93a includes a first end 931a and a second end 932a opposite to the first end 931a. The elastic conductive sheet 93a is arranged outside the insulating housing 91a. The first end 931a of the elastic conductive sheet 93a is connected to the outer side wall of the insulating housing 91a. The elastic conductive sheet 93a is arranged on the side of the contact head portion 921a of the conductive contact 92a close to the liquid addition cover 82.

[0105] When the liquid addition cover 82 is not closed on the liquid replenishment port 131, the liquid addition cover 82 is separated from the elastic conductive sheet 93a, and there is a gap between the elastic conductive sheet 93a and the conductive contact 92a. At this time, the elastic conductive sheet 93a and the conductive contact 92a are not electrically connected, and the liquid replenishment switch 9a is in an off state.

[0106] When the liquid adding cover 82 is closed on the liquid replenishing port 131, the liquid adding cover 82 squeezes the elastic conductive sheet 93a towards the side close to the conductive contact 92a, causing the elastic conductive sheet 93a to undergo elastic deformation and bend, so as to come into contact with the conductive contact 92a. At this time, the elastic conductive sheet 93a is electrically connected to the conductive contact 92a, and the liquid replenishing switch 9a is in a closed state.

[0107] The elastic conductive sheet 93a and the conductive contact 92a are respectively connected to the controller through two wires. The controller can determine whether the liquid replenishing switch 9a issues a liquid replenishing instruction by detecting the change in the working state of the liquid replenishing switch 9a. The conversion of the liquid replenishing switch 9a from the open state to the closed state indicates that the liquid replenishing switch 9a issues a liquid replenishing instruction.

[0108] In a schematic embodiment, as Figure 14 、 17 shown, the liquid replenishing port 131 is arranged at the top end of the liquid replenishing chamber 13, and the liquid replenishing port 131 is surrounded by the top end of the side wall of the liquid replenishing chamber 13.

[0109] The liquid adding cover 82 includes a top cover 821, an insertion part 822 and a handle 823. The top cover 821 is configured as a substantially plate-like structure. The top cover 821 covers the liquid replenishing port 131 and seals the liquid replenishing port 131. The insertion part 822 can be configured as a cylindrical structure. One end of the insertion part 822 is connected to the top cover 821. The cross-sectional shape of the insertion part 822 is the same as the cross-sectional shape of the liquid replenishing chamber 130. The insertion part 822 is inserted into the liquid replenishing chamber 130 from the top cover 821. The side wall of the insertion part 822 abuts against the side wall of the liquid replenishing chamber 130. The handle 823 is arranged on the side of the top cover 821 facing away from the insertion part 822, and the handle 823 can be configured as a flat plate structure perpendicular to the top cover 821.

[0110] The liquid replenishing switch 9a is arranged on the side wall of the liquid replenishing chamber 13. The second end 932a of the elastic conductive sheet 93a extends into the liquid replenishing chamber 130. When the liquid adding cover 82 is closed on the liquid replenishing port 131, the side wall of the insertion part 822 squeezes the second end 932a of the elastic conductive sheet 93a towards the conductive contact 92a, so that the elastic conductive sheet 93a abuts against the contact head 921a of the conductive contact 92a. When the liquid adding cover 82 is not closed on the liquid replenishing port 131, the insertion part 822 is separated from the second end 932a of the elastic conductive sheet 93a, and the elastic conductive sheet 93a returns to the state of being separated from the contact head 921a of the conductive contact 92a under the action of the elastic force.

[0111] In this way, the user can operate the liquid filling cover 82 by holding the grip of the liquid filling cover 82, which is more convenient. At the same time, when the liquid filling cover 82 is closed on the liquid replenishing port 131, the insertion part 822 of the liquid filling cover 82 is inserted into the liquid replenishing cavity 130, and the liquid filling cover 82 can be more firmly installed on the liquid replenishing bin 13. In particular, the liquid replenishing switch 9a is arranged on the side wall of the liquid replenishing bin 13, and the pressure exerted by the second end 932a of the elastic conductive sheet 93a on the insertion part 822 of the liquid filling cover 82 is perpendicular to the insertion and extraction direction of the insertion part 822. The pressure exerted by the elastic conductive sheet 93a on the insertion part 822 cannot push the pressurizing cover, avoiding the liquid filling cover 82 not being tightly closed on the liquid replenishing port 131.

[0112] In a schematic embodiment, as Figure 16 、 17 shown, the elastic conductive sheet 93a is inclined, the first end 931a of the elastic conductive sheet 93a faces the liquid replenishing port 131, and the second end 932a of the elastic conductive sheet 93a faces the bottom wall of the liquid replenishing cavity 130. In the direction from the first end 931a to the second end 932a of the elastic conductive sheet 93a, the distance between the elastic conductive sheet 93a and the insulating housing 91a gradually increases.

[0113] Since the distance between the elastic conductive sheet 93a and the insulating housing 91a gradually increases in the direction from the first end 931a to the second end 932a, and the second end 932a of the elastic conductive sheet 93a faces the bottom wall of the liquid replenishing cavity 130, the elastic conductive sheet 93a is inclined to the insertion and extraction direction of the insertion part 822 of the liquid filling cover 82. During the process of inserting the insertion part 822 into the liquid replenishing cavity 130, the insertion part 822 slides from the first end 931a to the second end 932a of the elastic conductive sheet 93a, and the insertion process of the insertion part 822 can be more smooth, providing a better user experience.

[0114] In a schematic embodiment, as Figure 13 、 17 shown, a first through hole 133 is provided on the side wall of the liquid replenishing bin 13. The first through hole 133 communicates with the liquid replenishing cavity 130. The first through hole 133 penetrates the side wall of the liquid replenishing bin 13. The first through hole 133 can be configured as a rectangular through hole.

[0115] The insulating housing 91a is arranged on the outer side wall of the liquid replenishing cavity 130, and the insulating housing 91a seals the first through hole 133 on the liquid replenishing bin 13. The mounting hole 911a of the insulating housing 91a is located on the side of the insulating housing 91a close to the first through hole 133, and the first through hole 133 is aligned with the mounting hole 911a. The elastic conductive sheet 93a passes through the first through hole 133 on the liquid replenishing bin 13. The first end 931a of the elastic conductive sheet 93a is located outside the liquid replenishing cavity 130, and the second end 932a of the elastic conductive sheet 93a is located inside the liquid replenishing cavity 130.

[0116] The insulating shell 91a and the conductive contact 92a are both located outside the liquid replenishing tank 13, and only the second end 932a of the elastic conductive sheet 93a passes through the first through hole 133 and extends into the liquid replenishing tank 13, which can prevent the foam liquid in the liquid replenishing chamber 130 from flowing onto the insulating shell 91a and the conductive contact 92a, thereby reducing the impact on the conductivity between the conductive contact 92a and the elastic conductive sheet 93a.

[0117] In an illustrative embodiment, the mounting barrel 11 may be vertically arranged, and the mounting barrel 11 has an upwardly facing top and a downwardly facing bottom. The liquid replenishing tank 13 is arranged on one side of the top of the mounting barrel 11. The liquid replenishing tank 13 and the mounting barrel 11 may be an integrally formed structure. The filter module 1a can be loaded into the mounting barrel 11 from the top of the mounting barrel 11.

[0118] In this way, the liquid replenishing port 131 on the liquid replenishing tank 13 and the top end of the mounting tube 11 are both facing upward, so that the user can easily disassemble and assemble the liquid filling cap 82 and insert the filter module 1a from above the water inlet assembly.

[0119] In an illustrative embodiment, Figure 8 As shown, the mounting tube 11 of the mounting bracket 1 is further provided with a second water outlet 112. The first water inlet 111 and the second water outlet 112 of the mounting tube 11 are connected to a water path.

[0120] like Figure 5 , 8 As shown, the water inlet assembly 100 also includes a flush valve 2. The flush valve 2 can be a single pulse valve. The flush valve 2 is provided with a water inlet 21 and a water outlet 22. The flush valve 2 is connected to the mounting bracket 1. The water inlet 21 of the flush valve 2 is connected to the second water outlet 112 of the mounting bracket 1. The water outlet 22 of the flush valve 2 is used to connect the brush ring nozzle. The flush valve 2 can open and close the second water outlet 112 of the mounting bracket 1. The second water outlet 112 of the mounting bracket 1 can supply water to the brush ring nozzle of the toilet. The brush ring nozzle is used to flush the toilet cavity of the toilet.

[0121] The first water outlet 113 is used to supply water to the human body cleaning component and the foam generator of the toilet. The human body cleaning component is used to wash the vulva and buttocks, etc. The foam generator is used to generate foam and transport the foam to the toilet cavity. The foam has the functions of preventing water splashing, cleaning the toilet cavity, and preventing odor.

[0122] In this way, Figure 8 As shown, when the flush valve 2 is opened, water flows from the first water inlet 111 into the mounting bracket 1, and then flows out from the second water outlet 112 of the mounting bracket 1. The second water outlet 112 can supply water to the brush ring nozzle of the toilet, thereby flushing the toilet. When the flush valve 2 is closed, the second water outlet 112 no longer flows out water.

[0123] In this way, the water inlet assembly 100 has a water distribution function, which can divide the water input from the first water inlet 111 into two paths. One path is conveyed to the brush ring nozzle of the toilet as the flushing water for the toilet, and the other path is conveyed to the body cleaning assembly and the foam generator as the body cleaning water and the foam liquid dilution water respectively. Thus, the flushing water for the toilet and the body cleaning water can be effectively separated, avoiding the pollution of the body cleaning water by the flushing water for the toilet. The water inlet assembly 100 has a high integration degree, a compact structure and a small occupied space.

[0124] In a schematic embodiment, the water inlet assembly 100 further includes a third valve 7. The third valve 7 is arranged at the first water inlet 111, the filter bracket 41 is arranged between the third valve 7 and the scale inhibitor bracket, and the filter bracket 41 presses the third valve 7. The third valve 7 is configured to open the first water inlet 111 when being pressed by the filter bracket 41 and close the first water inlet 111 when not being pressed by the filter bracket 41.

[0125] When both the first filter assembly 4 and the second filter assembly 5 are installed in the installation cylinder 11, the third valve 7 opens, and water can be input from the first water inlet 111 into the installation cylinder 11. After the first filter assembly 4 and the second filter assembly 5 are removed from the installation cylinder 11, the filter bracket 41 no longer presses the third valve 7, the third valve 7 closes, and water cannot be input from the first water inlet 111 into the installation cylinder 11.

[0126] In this way, on the premise of not closing the water source, the user can remove the first filter assembly 4 and the second filter assembly 5 from the installation cylinder 11. After the first filter assembly 4 and the second filter assembly 5 are removed, the third valve 7 closes the first water inlet 111, and water will not flow out of the installation cylinder 11; after the first filter assembly 4 and the second filter assembly 5 are reinstalled into the installation cylinder 11, the third valve 7 is pressed by the filter bracket 41 and reopened, and the first water inlet 111 can intake water again. Thus, it is more convenient for the user to replace the scale inhibitor 52.

[0127] In a schematic embodiment, as Figure 7 、 9 shown, the third valve 7 includes a seat body 71, a sealing gasket 77, a closing member 75 and an elastic member 74. The seat body 71 includes a valve seat 711, a connecting seat 712 and a connecting portion 713. The valve seat 711 is configured to be cylindrical. The valve seat 711 is arranged in the installation cylinder 11, and the outer peripheral wall of the valve seat 711 abuts against the inner peripheral wall of the installation cylinder 11. The valve seat 711 is provided with an internal channel.

[0128] The connecting seat 712 is located on the side of the valve seat 711 facing away from the filter bracket 41. The connecting seat 712 can be configured to be annular. The connecting seat 712 can be coaxially arranged with the seat body 71. The connecting seat 712 is provided with a slideway, which is straight and coaxial with the valve seat 711, and the slideway penetrates through the connecting seat 712.

[0129] The connecting portion 713 can be configured as a strip shape. The connecting portion 713 extends from the valve seat 711 to the connecting seat 712. The connecting portion 713 connects the connecting seat 712 and the valve seat 711. A plurality of connecting portions 713 can be provided, and the plurality of connecting portions 713 are evenly distributed in the circumferential direction of the connecting seat 712.

[0130] The gasket 77 has flexibility. The gasket 77 can be a rubber ring. The gasket 77 is fixed on the valve seat 711. The gasket 77 is arranged at one end of the valve seat 711 close to the connecting portion 713. The gasket 77 is coaxially arranged with the valve seat 711. The internal passage of the gasket 77 is communicated with the internal passage of the valve seat 711.

[0131] The closing member 75 includes a valve stem 751 and a valve disc 752. The valve stem 751 is configured as a straight rod. One end of the valve stem 751 is inserted into the slideway of the connecting portion 713. A clearance fit is provided between the valve stem 751 and the slideway. The valve stem 751 can slide along the slideway.

[0132] The valve disc 752 can be configured as a disc shape. The valve disc 752 is arranged between the gasket 77 and the connecting seat 712. The valve disc 752 is connected to one end of the valve stem 751 close to the valve seat 711. The valve disc 752 and the gasket 77 can be coaxially arranged. The diameter of the valve disc 752 is larger than the diameter of the internal passage of the gasket 77. The valve disc 752 can block one end of the internal passage of the gasket 77 facing the valve disc 752.

[0133] The elastic member 74 can be a compression spring. One end of the elastic member 74 abuts against one end of the valve disc 752 facing the connecting seat 712, and the other end of the elastic member 74 abuts against one end of the connecting seat 712 facing the valve disc 752. The elastic member 74 is in a compressed state. The elastic member 74 applies an elastic force to the valve disc 752 towards the gasket 77.

[0134] When the first filter assembly 4 and the second filter assembly 5 are installed in the cylinder body, one end of the filter bracket 41 facing away from the scale inhibitor bracket 51 presses the valve disc 752 so that the valve disc 752 and the gasket 77 are separated.

[0135] In this way, when the first filtering component 4 and the second filtering component 5 are installed in the cylinder body, the filtering bracket 41 presses the valve flap 752, causing the valve flap 752 of the third valve 7 and the gasket 77 to separate from each other. The third valve 7 is opened, and after water is input from the first water inlet 111 into the installation cylinder 11, it can flow through the gap between the valve seat 711 and the valve flap 752, the internal passage of the gasket, and the internal passage of the valve seat 711 in sequence to reach the second water outlet 112 and the filtering inlet 4111 of the filtering bracket 41. After the first filtering component 4 and the second filtering component 5 are removed from the cylinder body, the valve flap 752 moves under the elastic force of the elastic member 74 to abut against the gasket and block the internal passage of the gasket. The third valve 7 is closed, and water cannot reach the second water outlet 112 and the filtering inlet 4111 of the filtering bracket 41 through the internal passage of the gasket.

[0136] In a schematic embodiment, as Figure 8 shown, the installation bracket 1 further includes a water outlet joint 117. The water outlet joint 117 is provided on the outer side wall of the installation cylinder 11. The water outlet joint 117 is connected to the second water outlet 112 of the installation cylinder 11.

[0137] As Figure 7 、 8 、10 shown, the water inlet assembly 100 further includes a flushing adapter 9. The flushing adapter 9 includes a water inlet joint 91, a bent pipe 92, and a clamping seat 93. The water inlet joint 91 is inserted into the water outlet joint 117 of the installation bracket 1. The bent pipe 92 can be configured as a bent pipe 92 with a right-angle bend. One end of the bent pipe 92 is connected to the water inlet joint 91, and the other end of the bent pipe 92 extends upward. The clamping seat 93 is connected to the end of the bent pipe 92 facing away from the water inlet joint 91. One end of the flushing valve 2 provided with a water inlet is snap-connected to the clamping seat 93. The water outlet 22 of the flushing valve 2 is used to connect to the brush ring nozzle.

[0138] In this way, the flushing valve 2 is transferred to the installation cylinder 11 through the water outlet joint 117, and the water outlet joint 117 connects the water inlet 21 of the flushing valve 2 and the second water outlet 112 of the installation cylinder 11, so that the position of the flushing valve 2 can be arranged more flexibly.

[0139] In a schematic embodiment, the clamping seat 93 is configured as a ring. A clamping groove 931 is provided on the inner wall of the clamping seat 93. The clamping groove 931 extends along the circumferential direction of the clamping seat 93. One end of the clamping groove 931 is provided with a disassembly and assembly opening 932.

[0140] A protrusion 23 is provided on the outer peripheral wall of one end of the flushing valve 2 provided with a water inlet. The protrusion 23 can be strip-shaped, and the protrusion 23 extends along the circumferential direction of the outer peripheral wall of the flushing valve 2. The protrusion 23 is received in the clamping groove 931 of the clamping seat 93. The length of the protrusion 23 is less than the width of the disassembly and assembly opening 932 of the clamping seat 93, so that the protrusion 23 can pass through the disassembly and assembly opening 932.

[0141] In this way, when the flushing valve 2 needs to be installed on the snap - on seat 93, insert the flushing valve 2 into the snap - on seat 93 so that the convex part 23 aligns with the disassembly and assembly opening 932, and then rotate the flushing valve 2 so that the convex part 23 slides along the card slot 931 and enters the card slot 931, thereby realizing the snap - connection between the flushing valve 2 and the snap - on seat 93. When the flushing valve 2 needs to be disassembled from the snap - on seat 93, only rotate the flushing valve 2 so that the convex part 23 moves out of the card slot 931 from the disassembly and assembly opening 932, and then pull out the flushing valve 2 from the snap - on seat 93.

[0142] In a schematic embodiment, the filtration module 1a further includes a flow - limiting device 31. The flow - limiting device 31 is arranged in the filtration flow channel 4113 and is used to limit the flow rate of the water flowing through the filtration flow channel 4113 of the filtration support 41.

[0143] The flow - limiting device 31 can limit the flow rate of the water flowing through the filtration flow channel 4113, so that the water pressure in the scale - inhibiting cavity 511 will not be too high, avoiding the scale - inhibiting support 51 from cracking due to excessive water pressure.

[0144] In a schematic embodiment, as Figure 20 、 21 shown, the flow - limiting device 31 includes a base 311 and a flow - limiting sheet 312. The flow - limiting sheet 312 is installed on the base 311.

[0145] The base 311 includes a tube body 3111 and a first connecting part 3112. The tube body 3111 can be configured as a circular tube, a cylindrical tube or a circular ring. The tube body 3111 is provided with a water inlet end 31111 and a water outlet end 31112. The water inlet end 31111 and the water outlet end 31112 are opposite ends of the tube body 3111. A water - passing channel 31113 is arranged in the tube body 3111, and the water - passing channel 31113 extends from the water inlet end 31111 to the water outlet end 31112. The two ends of the water - passing channel 31113 are respectively a channel inlet 31114 and a channel outlet 31115. The channel inlet 31114 is arranged at the end of the water inlet end 31111, and the channel outlet 31115 is arranged at the end of the water outlet end 31112. The first connecting part 3112 is connected to the tube body 3111. The first connecting part 3112 can be connected to the water inlet end 31111 of the tube body 3111.

[0146] The current-limiting sheet 312 is configured as a plate-like structure, which can be configured as a substantially flat plate. The current-limiting sheet 312 is made of an elastic material, such as rubber or silica gel. The current-limiting sheet 312 is connected to the first connecting portion 3112. The current-limiting sheet 312 can be fixed to the first connecting portion 3112 by connection methods such as snap connection, bonding, and interference fit. The current-limiting sheet 312 is located on the side facing the water inlet end 31111 of the pipe body 3111. One plate surface of the current-limiting sheet 312 faces the water inlet end 31111. A water passing gap 313 is formed between the current-limiting sheet 312 and the water inlet end 31111. The channel inlet 31114 of the water passing channel 31113 is located on the side of the water passing gap 313 facing away from the current-limiting sheet 312, and the channel inlet 31114 communicates with the water passing gap 313.

[0147] The current-limiting device 31 is disposed in the filtering flow channel 4113. The outer peripheral surface of the pipe body 3111 abuts against the inner peripheral surface of the filtering flow channel 4113, and the current-limiting sheet 312 is located on the side of the pipe body 3111 close to the filtering inlet 4111. When water flows through the current-limiting device 31, it enters the water passing gap 313 between the current-limiting sheet 312 and the water inlet end 31111 from the side of the current-limiting sheet 312 facing away from the pipe body 3111. The water passing gap 313 enters the water passing channel 31113 of the pipe body 3111 through the channel inlet 31114, and finally flows out of the water passing channel 31113 from the channel outlet 31115 of the water passing channel 31113. Since the current-limiting sheet 312 is elastic and can undergo bending elastic deformation, when the water pressure in the upstream waterway of the current-limiting sheet 312 is relatively large, the degree of elastic bending of the current-limiting sheet 312 towards the water inlet end 31111 is large, thereby reducing the width of the water passing gap 313 to avoid excessive water flow through the water passing gap 313; when the water pressure in the upstream waterway of the current-limiting sheet 312 is relatively small, the degree of elastic bending of the current-limiting sheet 312 towards the water inlet end 31111 is small, thereby increasing the width of the water passing gap 313 to avoid too small water flow through the water passing gap 313. Thus, the width of the water passing gap 313 between the current-limiting sheet 312 and the water inlet end 31111 can be adaptively adjusted according to the water pressure in the upstream waterway, so that no matter how the water pressure changes, the water flow rate of the water output through the current-limiting device 31 can be kept stable, thereby keeping the water pressure in the scale inhibition cavity 511 stable. The structure of this current-limiting device 31 is very simple, easy to assemble and produce, and the production cost is very low. At the same time, this current-limiting device 31 has high reliability and will not fail due to the accumulation of water scale.

[0148] In a schematic embodiment, the first connecting portion 3112 includes a column 31121. The column 31121 is relatively fixed to the pipe body 3111. The column 31121 can be configured as a cylindrical shape. The column 31121 is close to the water inlet end 31111 of the pipe body 3111. The channel inlet 31114 on the pipe body 3111 can be a circular opening. The column 31121 and the channel inlet 31114 on the pipe body 3111 are coaxially arranged.

[0149] The current-limiting piece 312 is configured as an annular plate, such as a circular ring shape. The current-limiting piece 312 is sleeved on the column 31121. The current-limiting piece 312 and the column 31121 can be fixedly connected together by interference fit, bonding, clamping or other means. The current-limiting piece 312 cannot slide on the column 31121.

[0150] In this way, the current-limiting piece 312 is sleeved on the column 31121, and the assembly between the current-limiting piece 312 and the base 311 is simple. At the same time, the middle part of the current-limiting piece 312 is fixed on the column 31121. When the current-limiting piece 312 bears water pressure, the edge of the current-limiting piece 312 can be evenly bent towards the inlet end of the pipe body 3111, so that the width change of the water passing gap 313 is more uniform in the circumferential direction.

[0151] In a schematic embodiment, the diameter of the column 31121 is smaller than the diameter of the channel inlet 31114. One end of the column 31121 facing the pipe body 3111 is inserted into the channel inlet 31114 of the pipe body 3111. An annular gap is formed between the end of the column 31121 inserted into the pipe body 3111 and the pipe body 3111.

[0152] The first connecting portion 3112 further includes a plurality of connecting strips 31122. The connecting strips 31122 can be configured as straight strips. The plurality of connecting strips 31122 are all located in the annular gap between the column 31121 and the pipe body 3111. The connecting strips 31122 extend from the end of the column 31121 inserted into the channel inlet 31114 to the inner wall of the channel inlet 31114. The plurality of connecting strips 31122 are evenly distributed in the circumferential direction of the column 31121. The connecting strips 31122 connect the column 31121 and the pipe body 3111. The column 31121, the pipe body 3111 and the connecting strips 31122 can be an integrally formed structure.

[0153] In this way, multiple connecting strips 31122 can firmly connect the column 31121 to the pipe body 3111. At the same time, the multiple connecting strips 31122 are evenly distributed in the circumferential direction of the column 31121, and the water inlet at each part of the channel inlet 31114 is uniform.

[0154] In a schematic embodiment, the base 311 further includes a limiting protrusion 3114. The limiting protrusion 3114 is connected to the water inlet end 31111 of the pipe body 3111. The limiting protrusion 3114 can be set. The limiting protrusion 3114 protrudes from the end face of the water inlet end 31111. The limiting protrusion 3114 is located in the water passing gap 313. The top end of the limiting protrusion 3114 facing away from the water inlet end 31111 abuts against the end face of the current-limiting piece 312 facing the water inlet end 31111.

[0155] The limiting protrusion 3114 abuts against the flow-limiting piece 312. The limiting protrusion 3114 can restrict the degree of elastic deformation of the flow-limiting piece 312, preventing the water passing gap 313 between the water inlet end 31111 and the flow-limiting piece 312 from being completely closed due to excessive water pressure, and thus preventing the water path from being completely disconnected.

[0156] In a schematic embodiment, a plurality of limiting protrusions 3114 are provided. The plurality of limiting protrusions 3114 surround the periphery of the channel inlet 31114.

[0157] The plurality of limiting protrusions 3114 surround the periphery of the channel inlet 31114. When the water pressure is very high, the plurality of limiting protrusions 3114 can jointly abut against the edge of the flow-limiting piece 312, so that the flow area of the water passing gap 313 between the water inlet end 31111 and the flow-limiting piece 312 can still be kept large enough.

[0158] This embodiment also proposes a toilet, which includes the above-mentioned water inlet assembly 100, the above-mentioned body cleaning assembly, the above-mentioned brush ring nozzle and the ceramic toilet.

[0159] A fecal cavity is provided on the ceramic toilet. The ceramic toilet is connected to the brush ring nozzle, the body cleaning assembly, the foam generator and the water inlet assembly 100. The brush ring nozzle is arranged at the top of the fecal cavity. The brush-out nozzle is communicated with the water outlet 22 of the flushing valve 2 through a pipeline. The brush-out nozzle can spray the water output by the flushing valve 2 into the fecal cavity to flush the fecal cavity. The body cleaning assembly and the foam generator are communicated with the first water outlet 113 of the water inlet assembly 100. The body cleaning assembly is arranged on one side of the fecal cavity. The body cleaning assembly is provided with a nozzle for spraying water upwards. The heating device or the instant heating assembly can heat the water output from the first water outlet 113 and spray the heated water from the nozzle. The foam outlet of the foam generator is communicated with the fecal cavity. The foam generator mixes the water, the foam liquid and the air provided by the water inlet assembly 100 into foam and outputs the foam from the foam outlet into the fecal cavity.

[0160] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present application.

[0161] In addition, the terms "first", "second", etc. are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first", "second", etc. may explicitly or implicitly include at least one such feature.

[0162] In the description of the present application, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0163] In the present application, unless otherwise clearly specified and defined, the terms "mounted", "connected", "coupled", "fixed", etc. shall be construed in a broad sense. For example, "connected" may be a fixed connection, a detachable connection, or an integral body; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and may be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0164] In the present application, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first feature and the second feature are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "below" and "beneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0165] In the description of this specification, the description with reference to terms such as "an embodiment", "some embodiments", "example", "specific example" or "some examples", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0166] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present application. Those of ordinary skill in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present application.

Claims

1. A filtering module for a toilet, characterized in that, Comprising: A first filtration component and a second filtration component; The first filtration component includes: A filtration bracket provided with a filtration inlet, a filtration outlet, and a filtration flow channel extending from the filtration inlet to the filtration outlet; and, A first filtration medium disposed on the filtration flow channel; The second filtration component includes: A scale inhibitor bracket connected to the filtration bracket, provided with a scale inhibitor cavity, a charging port, and a scale inhibitor outlet both communicating with the scale inhibitor cavity; and A second filtration medium disposed in the scale inhibitor cavity; Wherein, the diameter of the largest solid particle that the second filtration medium can pass through is smaller than the diameter of the largest solid particle that the first filtration medium can pass through. One end of the filtration bracket is inserted into the charging port to block the charging port, and the filtration outlet is disposed at the end of the filtration bracket inserted into the charging port and communicates with the scale inhibitor cavity.

2. The filtering module according to claim 1, wherein The second filtration medium is configured as a cylindrical shape; One end of the second filtration medium abuts against the filtration bracket and communicates with the filtration outlet, and the other end of the second filtration medium abuts against the top wall of the scale inhibitor cavity facing away from the charging port; The scale inhibitor outlet is disposed on the side wall of the scale inhibitor cavity.

3. The filtering module according to claim 2, characterized in that, There is a cylindrical gap between the second filtration medium and the side wall of the scale inhibitor cavity.

4. The filtering module according to claim 3, characterized in that One end of the filtration bracket inserted into the charging port is provided with a first limiting portion, and the top wall of the scale inhibitor cavity facing away from the charging port is provided with a second limiting portion; The first limiting portion and the second limiting portion are respectively inserted into the opposite ends of the second filtration medium.

5. The filtering module according to claim 2, wherein The second filtration component further includes a scale inhibitor disposed in the second filtration medium.

6. The filtering module according to any one of claims 1 to 5, characterized in that, The filtration bracket is detachably connected to the scale inhibitor bracket, and the charging port is configured to allow the second filtration medium to pass through.

7. The filtering module according to claim 6, wherein A detachable snap connection is adopted between the filtration bracket and the scale inhibitor bracket.

8. The filter module according to claim 6, wherein One end of the scale inhibitor bracket facing the filtration bracket is further provided with a limiting groove located on one side of the charging port, and the opening of the limiting groove faces the filtration bracket; The filtration bracket is provided with a limiting protrusion received in the limiting groove.

9. The filtering module according to claim 6, characterized in that Both the scale inhibitor bracket and the filtration bracket are configured as cylindrical shapes and are coaxially arranged; The charging port is disposed at one end of the scale inhibitor bracket facing the filtration bracket, and one end of the scale inhibitor bracket facing away from the filtration bracket is closed; One end of the filtration bracket facing away from the scale inhibitor bracket is closed, and the filtration inlet is disposed on the side wall of the filtration bracket There are a plurality of filtration inlets, and the plurality of filtration inlets are located at one end of the filtration bracket facing away from the scale inhibitor bracket, and the filtration flow channel extends from each filtration inlet to the filtration outlet; The first filtration medium is configured as a cylindrical filter screen, the first filtration medium is disposed inside the filtration bracket and is coaxially arranged with the filtration bracket, and the first filtration medium covers all the filtration inlets.

10. The filtering module according to any one of claims 1 to 5, characterized in that The first filtration medium is a filter screen, and the second filtration medium is PP cotton.

11. The filtration module according to any one of claims 1 to 5, characterized in that, It further includes a flow limiting device disposed in the filtration flow channel, and the flow limiting device is used to limit the flow of water flowing through the filtration flow channel.

12. The filtering module according to claim 11, characterized in that, Comprising: The base includes a pipe body and a first connecting portion connected to the pipe body. The pipe body is provided with a water inlet end, a water outlet end, and a water passage extending from the water inlet end to the water outlet end; and, The current-limiting sheet is elastic, fixedly connected to the first connecting portion, and forms a water passage gap with the water inlet end; Wherein, the outer peripheral surface of the pipe body abuts against the inner peripheral surface of the filtration flow channel. The current-limiting sheet is located on one side of the pipe body close to the filtration inlet. The water passage is provided with a channel inlet located at the water inlet end, and the channel inlet communicates with the water passage gap.

13. The filtering module according to claim 12, characterized in that The first connecting portion includes a cylinder coaxially arranged with the channel inlet and a plurality of connecting strips; The diameter of the cylinder is smaller than the diameter of the channel inlet. One end of the cylinder is inserted into the channel inlet, and the connecting strips extend from the end of the cylinder inserted into the channel inlet to the inner wall of the channel inlet. The plurality of connecting strips are evenly distributed in the circumferential direction of the cylinder; The current-limiting sheet is configured as an annular plate sleeved on the cylinder and fixedly connected to the cylinder.

14. The filtering module according to claim 12 or 13, characterized in that, The base further includes a plurality of limiting protrusions arranged in the water passage gap and connected to the pipe body. The plurality of limiting protrusions are arranged around the channel inlet; All of the plurality of limiting protrusions abut against the current-limiting sheet.

15. An inlet assembly of a toilet bowl, characterized in that, Comprising: The filtration module as described in any one of claims 1 to 14 and an installation bracket. The installation bracket includes an installation cylinder; Both the first filtration component and the second filtration component are arranged in the installation cylinder and are arranged in sequence along the axial direction of the installation cylinder. The scale inhibitor bracket is detachably connected to the installation cylinder. The installation cylinder is provided with a first water inlet communicating with the filtration inlet and a first water outlet communicating with the scale inhibitor outlet.

16. The water inlet assembly according to claim 15, characterized in that, The inner side wall of the installation cylinder is provided with internal threads, and the scale inhibitor bracket is provided with external threads that are screwed with the internal threads.

17. The water inlet assembly according to claim 15, characterized in that The outer peripheral wall of the scale inhibitor bracket is provided with an annular groove; The scale inhibitor outlet is arranged at the bottom of the annular groove; The inner peripheral wall of the installation cylinder covers the opening of the annular groove, and the first water outlet communicates with the annular groove.

18. The water inlet assembly according to claim 15, characterized in that The installation bracket further includes a liquid replenishment chamber for adding foam liquid. The liquid replenishment chamber is connected to the installation cylinder. The liquid replenishment chamber includes a liquid replenishment cavity, a liquid replenishment port, and a liquid outlet that are all communicated with the liquid replenishment cavity. The liquid outlet is used for delivering foam liquid to the foam generator; The water inlet assembly further includes: A liquid replenishment switch arranged on the liquid replenishment chamber; A liquid adding cover covering the liquid replenishment port and pressing the liquid replenishment switch; and A foam generator, including a casing and a liquid pumping pump; Among them, the casing is provided with a liquid storage cavity for storing foam liquid, a foam liquid inlet communicating with the liquid storage cavity, a liquid mixing cavity, and a dilution water inlet communicating with the liquid mixing cavity. The foam liquid inlet is communicated with the liquid outlet, the dilution water inlet is communicated with the first water outlet, the liquid extraction pump is provided with an input port communicated with the liquid storage cavity and an output port communicated with the liquid mixing cavity, the liquid replenishment switch is configured to change from not being squeezed by the liquid addition cover to being squeezed by the liquid addition cover to issue a liquid replenishment instruction, and the liquid replenishment instruction is used to instruct the liquid extraction pump of the foam generator to pump the foam liquid in the liquid storage cavity to the liquid mixing cavity.

19. The water inlet assembly according to claim 18, characterized in that, The liquid replenishment switch includes: An insulating housing connected to the liquid replenishment chamber; A conductive contact provided on the insulating housing; An elastic conductive sheet including a first end connected to the insulating housing, located on the side of the conductive contact close to the liquid addition cover, and having a gap with the conductive contact when the elastic conductive sheet is separated from the liquid addition cover; Among them, when the liquid addition cover is installed on the liquid replenishment port, it squeezes the elastic conductive sheet so that the elastic conductive sheet contacts the conductive contact.

20. The water inlet assembly according to claim 19, wherein, The liquid replenishment port is provided at the top end of the liquid replenishment chamber; The liquid addition cover includes a top cover for blocking the liquid replenishment port and an insertion part inserted into the liquid replenishment cavity from the top cover; The liquid replenishment switch is provided on the side wall of the liquid replenishment chamber. The elastic conductive sheet further includes a second end opposite to the first end, and the second end extends into the liquid replenishment cavity; Among them, when the liquid addition cover is closed on the liquid replenishment port, the side wall of the insertion part squeezes the second end so that the elastic conductive sheet abuts against the conductive contact.

21. The water inlet assembly according to claim 15, wherein, The installation cylinder is further provided with a second water outlet communicated with the first water inlet, and the second water outlet is used to supply water to the brush ring nozzle of the toilet; The water inlet assembly further includes a flushing valve, the water inlet of the flushing valve is communicated with the second water outlet, and the flushing valve is used to open and close the second water outlet.

22. The water inlet assembly according to claim 21, wherein, The filter bracket further includes a water outlet joint provided on the outer side wall of the installation cylinder, and the water outlet joint is communicated with the second water outlet; The water inlet assembly further includes a flushing adapter, and the flushing adapter includes a water inlet joint inserted into the water outlet joint, a bent pipe with one end connected to the water inlet joint, and a clamping seat connected to the other end of the bent pipe; One end of the flushing valve provided with a water inlet is snap-connected to the clamping seat, and the water outlet of the flushing valve is used to connect to the brush ring nozzle.

23. The water inlet assembly according to claim 22, wherein The clamping seat is configured as a ring, and a clamping groove extending along the circumferential direction of the clamping seat is provided on the inner wall of the clamping seat, and a disassembly and assembly opening is provided at one end of the clamping groove; A protrusion is provided on the outer peripheral wall of one end of the flushing valve provided with a water inlet, and the protrusion is received in the clamping groove and can pass through the disassembly and assembly opening.

Images