Flow limiting device, water inlet valve assembly, water inlet assembly and toilet stool

Abstract

The utility model relates to a flow limiting device, a water inlet valve assembly, a water inlet assembly and a toilet stool, the flow limiting device comprises a base, the base comprises a pipe body and a connecting part connected to the pipe body, and the pipe body is provided with a water inlet end, a water outlet end and a water passing channel extending from the water inlet end to the water outlet end; the flow limiting piece has elasticity and is fixedly connected to the connecting part, and a water passing gap is formed between the flow limiting piece and the water inlet end; the water passing channel is provided with a channel inlet located in the water inlet end, and the channel inlet is connected with the water passing gap. The flow limiting device is simple in structure.

Description

Technical Field

[0001] The present invention relates to bathroom technology, in particular to a flow limiting device, a water inlet valve assembly, a water inlet assembly and a toilet. Background Art

[0002] The flow limiting device is used to regulate the flow of water flowing through it, so that the flow of water can remain stable even when the water pressure changes. An existing flow limiting device includes a pipe, a flow limiting plate, a slide rail and a spring. The flow limiting plate is arranged in front of the water inlet of the pipe, and there is a gap between the flow limiting plate and the water inlet of the pipe. The spring is arranged in the gap, and the two ends of the spring abut against the flow limiting plate and the pipe respectively. At the same time, the flow limiting plate is also arranged on the slide rail and is slidably connected to the slide rail. The flow limiting plate can slide along the slide rail to move closer to and away from the water inlet of the pipe. When the flow limiting plate is subjected to different water pressures, the width of the gap between the flow limiting plate and the water inlet of the pipe can change accordingly, so that the flow of water flowing through the gap can remain stable even when the water pressure changes.

[0003] However, the structure of the above-mentioned current limiting device is relatively complex, the production cost is high, and the assembly is cumbersome and time-consuming. At the same time, the reliability of this current limiting device is low. After long-term use, scale will form on the slide rail, causing the current limiting plate to be stuck on the slide rail, resulting in the failure of the current limiting device. Summary of the Invention

[0004] The technical problem to be solved by this application is how to make the structure of the current limiting device simpler and improve the reliability of the current limiting device.

[0005] In order to solve the above technical problems, the present application proposes a current limiting device, which includes:

[0006] The base includes a tube body and a first connecting portion connected to the tube body, wherein the tube 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

[0007] The flow limiting plate is elastic and fixedly connected to the first connecting portion, and forms a water gap between the plate and the water inlet end;

[0008] The water passage is provided with a passage inlet located on the water inlet end, and the passage inlet is connected to the water passage gap.

[0009] In this manner, the flow limiting device is positioned on a waterway requiring flow restriction, with the flow limiting plate positioned upstream of the pipe body. When water flows through the flow limiting device, it enters the water gap between the flow limiting plate and the water inlet from the side of the flow limiting plate facing away from the pipe body. The water gap then enters the water channel of the pipe body through the channel inlet, and finally flows out of the channel through the channel outlet. Because the flow limiting plate is elastic and can bend and deform elastically, when the water pressure in the waterway upstream of the flow limiting plate is high, the flow limiting plate bends more elastically toward the water inlet, thereby reducing the width of the water gap and preventing excessive water flow through the water gap. When the water pressure in the waterway upstream of the flow limiting plate is low, the flow limiting plate bends less elastically toward the water inlet, thereby increasing the width of the water gap and preventing excessive water flow through the water gap. Thus, the width of the water gap between the flow limiting plate and the water inlet can be adaptively adjusted based on the water pressure in the upstream waterway, ensuring that the flow rate of water outputted by the flow limiting device remains stable regardless of changes in the water pressure. The structure of this current limiting device is very simple, easy to assemble and produce, and the production cost is very low. At the same time, this current limiting device is highly reliable and will not fail due to the accumulation of scale.

[0010] Other features and advantages of the present application will be described in the following description, and in part will become apparent from the description, or will be understood by practicing the present application. Other advantages of the present application can be realized and obtained by the solutions described in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The accompanying drawings are used to provide an understanding of the technical solution 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 solution of the present application and do not constitute a limitation on the technical solution of the present application.

[0012] Figure 1 is a three-dimensional schematic diagram of a current limiting device in an embodiment of the present application;

[0013] Figure 2 is a full cross-sectional schematic diagram of a current limiting device in an embodiment of the present application;

[0014] Figure 3 is a three-dimensional schematic diagram of a water inlet valve assembly in an embodiment of the present application;

[0015] Figure 4 This is a disassembled schematic diagram of the water inlet valve assembly in an embodiment of the present application;

[0016] Figure 5 is a schematic cross-sectional view of a water inlet valve assembly in an embodiment of the present application;

[0017] Figure 6 is a schematic cross-sectional view of a pipeline body in an embodiment of the present application;

[0018] Figure 7 Schematic top view of the water inlet valve assembly in an embodiment of the present application;

[0019] Figure 8 for Figure 7 A schematic cross-sectional view of the water inlet valve assembly at plane AA;

[0020] Figure 9 Schematic diagram of a three-dimensional water inlet one-way valve in an embodiment of the present application;

[0021] Figure 10 Schematic diagram of a full cross-section of the water inlet one-way valve in an embodiment of the present application;

[0022] Figure 11 This is a three-dimensional schematic diagram of a water inlet assembly in an embodiment of the present application;

[0023] Figure 12 This is a schematic top view of a water inlet assembly in an embodiment of the present application;

[0024] Figure 13 This is a partial disassembly diagram of a water inlet assembly in an embodiment of the present application;

[0025] Figure 14 This is a disassembled schematic diagram of a water inlet assembly in an embodiment of the present application;

[0026] Figure 15 This is a disassembled schematic diagram of the first filter assembly and the second filter assembly in the embodiment of the present application;

[0027] Figure 16 This is a schematic diagram of the water flow direction when the first valve is opened in the embodiment of the present application;

[0028] Figure 17 Schematic diagram of water flow direction when the water inlet valve assembly in the embodiment of the present application is opened;

[0029] Figure 18 is a schematic cross-sectional view of the third valve in a closed state in an embodiment of the present application;

[0030] Figure 19 is a three-dimensional schematic diagram of the first valve and the flushing adapter in the closed state in an embodiment of the present application;

[0031] Figure 20 This is a full cross-sectional schematic diagram of a water inlet assembly in an embodiment of the present application;

[0032] Figure 21 It is a full cross-sectional schematic diagram of another cross-section of the water inlet assembly in an embodiment of the present application.

[0033] Reference numerals:

[0034] 100, water inlet assembly; 1, filter bracket; 11, mounting tube; 111, first water inlet; 112, first water outlet; 113, second water outlet; 114, first water outlet hole; 115, first water inlet hole; 116, internal thread; 117, water outlet connector; 12, battery compartment; 13, foam liquid compartment; 2, first valve; 21, water inlet; 22, water outlet; 23, raised portion; 3, water inlet valve assembly; 31, flow limiting device; 311, base; 3111, tube body; 31111, water inlet end; 31113, water passage; 31114, passage entrance; 31115, passage exit; 31112, water outlet; 3112, first connecting portion; 31121, column; 31122, connecting strip; 3114, limiting protrusion; 312, flow limiting piece; 31 3. Water gap; 32. Pipeline body; 322. Straight pipe; 3221. First pipe section; 3222. Second pipe section; 3223. First stopper; 3224. Second stopper; 323. Mounting cavity; 3231. Fluid channel; 321. Input connector; 3211. Input port; 324. Output connector; 3241. Output port; 320. Water channel; 33. Solenoid valve; 34. Water inlet check valve; 341. Housing; 3411. Outer shell; 34111. Outer cylinder; 34112. Outer end plate; 34113. Inlet; 3412. Inner shell; 34121. Inner cylinder; 34122. Inner end plate; 34123. Outlet; 342. Elastic cylinder; 34211. Inlet end; 34212. Outlet end; 34213. Connecting cam; 35. Plug; 4. First filter assembly; 41. Filter support; 4111. Filter inlet; 4112. Filter outlet; 4113. First filter channel; 42. Filter; 5. Second filter assembly; 51. Scale inhibitor support; 511. Scale inhibitor chamber; 512. Scale inhibitor inlet; 513. Scale inhibitor outlet; 514. First annular groove; 515. Second annular groove; 516. Handle; 517. External thread; 518. Loading port; 52. Scale inhibitor; 6. RF module; 7. Third valve; 71. Seat body; 711. Valve seat; 712. Connecting seat; 713. Second connecting part; 74. Elastic member; 75. Closing member; 751. Valve stem; 752. Valve flap; 77. Sealing gasket; 711. Valve seat; 712. Connecting seat; 81. Battery cover; 82. Filling cap; 83. Water pipe; 84. Battery; 9. Flush adapter; 91. Water inlet connector; 92. Elbow; 93. Connecting seat; 931. Slot; 932. Disassembly opening. DETAILED DESCRIPTION

[0035] This application describes multiple embodiments, but this description is exemplary rather than restrictive, and it will be apparent to those skilled in the art that there may be more embodiments and implementations within the scope of the embodiments described herein. Although many possible feature combinations are shown in the drawings and discussed in the detailed description, many other combinations of the disclosed features are also possible. Unless specifically limited, any feature or element of any embodiment may be used in combination with any other feature or element in any other embodiment, or may replace any other feature or element in any other embodiment.

[0036] The present application includes and contemplates combinations of features and elements known to those of ordinary skill in the art. The embodiments, features, and elements disclosed in this application may also be combined with any conventional features or elements to form a unique inventive solution. Any features or elements of any embodiment may 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 may be implemented individually or in any appropriate combination. Therefore, except for the limitations made according to the appended claims and their equivalents, the embodiments are not subject to other limitations. In addition, various modifications and changes may be made within the scope of protection of the appended claims.

[0037] 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 rely on the specific order of the steps described herein, the method or process should not be limited to the steps in the specific order described. As will be understood by those skilled in the art, other orders of steps are also possible. Therefore, the specific order of the steps set forth in the specification should not be interpreted as a limitation to the claims. In addition, the claims for 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 be changed and still remain within the spirit and scope of the embodiments of the present application.

[0038] like Figure 1 As shown, Figure 1 The structure of a current limiting device 31 in an embodiment of the present application is shown. The current limiting device 31 includes a base 311 and a current limiting plate 312. The current limiting plate 312 is installed on the base 311.

[0039] The base 311 includes a tube body 3111 and a first connecting portion 3112. The tube body 3111 can be constructed in a circular tubular, cylindrical, or annular shape. 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 passage 31113 is provided in the tube body 3111, and the water passage 31113 extends from the water inlet end 31111 to the water outlet end 31112. The two ends of the water passage 31113 are respectively a channel inlet 31114 and a channel outlet 31115, wherein the channel inlet 31114 is provided at the end of the water inlet end 31111, and the channel outlet 31115 is provided at the end of the water outlet end 31112. The first connecting portion 3112 is connected to the tube body 3111. The first connection portion 3112 may be connected to the water inlet end 31111 of the tube body 3111 .

[0040] The flow limiting plate 312 is constructed as a plate-like structure, and can be constructed as a roughly flat plate. The flow limiting plate 312 is made of an elastic material, such as rubber or silicone. The flow limiting plate 312 is connected to the first connecting portion 3112. The flow limiting plate 312 can be fixed to the first connecting portion 3112 by a connection method such as snap connection, bonding, or interference fit. The flow limiting plate 312 is located on the side facing the water inlet end 31111 of the tube body 3111. One plate surface of the flow limiting plate 312 faces the water inlet end 31111. A water flow gap 313 is formed between the flow limiting plate 312 and the water inlet end 31111. The channel inlet 31114 of the water flow channel 31113 is located on the side of the water flow gap 313 facing away from the flow limiting plate 312, and the channel inlet 31114 is connected to the water flow gap 313.

[0041] In this way, the flow limiting device 31 is set on the waterway where flow limiting is required, and the flow limiting plate 312 is located upstream of the tube body 3111. When the water flows through the flow limiting device 31, it enters the water gap 313 between the flow limiting plate 312 and the water inlet end 31111 from the side of the flow limiting plate 312 facing away from the tube body 3111. The water gap 313 enters the water channel 31113 of the tube body 3111 through the channel inlet 31114, and finally flows out of the water channel 31113 from the channel outlet 31115 of the water channel 31113. Because the flow limiting plate 312 is elastic and can bend and deform elastically, when the water pressure in the waterway upstream of the flow limiting plate 312 is high, the flow limiting plate 312 elastically bends more toward the water inlet end 31111, thereby reducing the width of the water flow gap 313 and preventing excessive water flow through the water flow gap 313. When the water pressure in the waterway upstream of the flow limiting plate 312 is low, the flow limiting plate 312 elastically bends less toward the water inlet end 31111, thereby increasing the width of the water flow gap 313 and preventing excessive water flow through the water flow gap 313. Thus, the width of the water flow gap 313 between the flow limiting plate 312 and the water inlet end 31111 can be adaptively adjusted according to the water pressure in the upstream waterway, ensuring that the flow rate of water output by the flow limiting device 31 remains stable regardless of changes in the water pressure. This flow limiting device 31 has a very simple structure, is easy to assemble and produce, and has a very low production cost. Furthermore, this flow limiting device 31 is highly reliable and will not fail due to the accumulation of scale.

[0042] In one exemplary embodiment, the first connecting portion 3112 includes a column 31121. The column 31121 is fixed relative to the tube 3111. The column 31121 can be cylindrical. The column 31121 is adjacent to the water inlet end 31111 of the tube 3111. The channel inlet 31114 on the tube 3111 can be a circular opening. The column 31121 and the channel inlet 31114 on the tube 3111 are coaxially arranged.

[0043] The current limiting plate 312 is configured as an annular plate, such as a circular ring. The current limiting plate 312 is sleeved onto the column 31121. The current limiting plate 312 and the column 31121 may be fixedly connected together by interference fit, bonding, or snap-fitting. The current limiting plate 312 cannot slide on the column 31121.

[0044] In this way, the flow limiting plate 312 is mounted on the column 31121, simplifying the assembly between the flow limiting plate 312 and the base 311. Furthermore, the middle portion of the flow limiting plate 312 is fixed to the column 31121. When the flow limiting plate 312 is subjected to water pressure, the edge of the flow limiting plate 312 can bend evenly toward the inlet end of the tube body 3111, making the width of the water-passing gap 313 more uniform in the circumferential direction.

[0045] In an exemplary embodiment, the diameter of the column 31121 is smaller than the diameter of the channel inlet 31114. The end of the column 31121 facing the tube 3111 is inserted into the channel inlet 31114 of the tube 3111. An annular gap is formed between the end of the column 31121 inserted into the tube 3111 and the tube 3111.

[0046] The first connecting portion 3112 also 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 tubular body 3111. The connecting strips 31122 extend from one 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 around the circumference of the column 31121. The connecting strips 31122 connect the column 31121 and the tubular body 3111. The column 31121, the tubular body 3111, and the connecting strips 31122 can be an integrally formed structure.

[0047] In this way, the multiple connecting strips 31122 can firmly connect the column 31121 to the tube body 3111. At the same time, the multiple connecting strips 31122 are evenly distributed around the column 31121, so that water flows evenly at all locations of the channel inlet 31114.

[0048] In an exemplary embodiment, the base 311 further includes a limiting protrusion 3114. The limiting protrusion 3114 is connected to the water inlet end 31111 of the tube body 3111. The limiting protrusion 3114 can be configured such that the limiting protrusion 3114 protrudes from the end surface of the water inlet end 31111. The limiting protrusion 3114 is located within the water flow gap 313. The top end of the limiting protrusion 3114 facing away from the water inlet end 31111 abuts against the end surface of the flow limiting plate 312 facing the water inlet end 31111.

[0049] The limiting protrusion 3114 rests on the flow limiting plate 312. The limiting protrusion 3114 can restrict the elastic deformation of the flow limiting plate 312, thereby preventing the water gap 313 between the water inlet end 31111 and the flow limiting plate 312 from being completely closed due to excessive water pressure, thereby completely disconnecting the water path.

[0050] In an exemplary embodiment, a plurality of limiting protrusions 3114 are provided, and the plurality of limiting protrusions 3114 surround the channel entrance 31114 .

[0051] Multiple limiting protrusions 3114 surround the channel entrance 31114. When the water pressure is very high, the multiple limiting protrusions 3114 can jointly press against the edge of the flow limiting plate 312, so that the flow area of ​​the water gap 313 between the water inlet end 31111 and the flow limiting plate 312 can still be kept large enough.

[0052] This embodiment further provides a water inlet valve assembly 3 , which includes the flow limiting device 31 , a pipeline body 32 and a solenoid valve 33 as described above.

[0053] The pipe body 32 is provided with an input port 3211, an output port 3241, and a water channel 320. The pipe body 32 is constructed in a generally tubular structure. The input port 3211 and the output port 3241 are located near each end of the pipe body 32. The water channel 320 is disposed within the pipe body 32 and extends from the input port 3211 to the output port 3241. Water can be input into the water channel 320 from the input port 3211, flow along the water channel 320 to the output port 3241, and then flow out from the output port 3241.

[0054] The flow limiting device 31 and the solenoid valve 33 are both connected to the pipeline body 32, and are both arranged on the water channel 320. The flow limiting device 31 is arranged in the water channel 320. The outer circumference of the tube body 3111 of the flow limiting device 31 abuts against the inner circumference of the water channel 320, and the water inlet end 31111 of the tube body 3111 is closer to the input port 3211 of the pipeline body 32, and the output end of the pipeline body 32 is closer to the output port 3241 of the pipeline body 32. Water flowing through the water channel 320 must pass through the water passage 31113 in the tube body 3111. The flow limiting plate 312 is located on the side of the tube body 3111 near the input port 3211. In the direction of water flow in the water channel 320, the flow limiting plate 312 is located upstream of the tube body 3111. The solenoid valve 33 can connect and disconnect the water channel 320.

[0055] In this way, the solenoid valve 33 can control the flow of water out of the output port 3241 of the pipe body 32 by controlling the on / off state of the water channel 320. When the solenoid valve 33 is open, the flow limiting device 31 can limit the flow of water in the water channel 320, ensuring that the flow rate of water outputted from the output port 3241 remains stable. Therefore, when the water inlet valve assembly 3 is installed at the front end of another device, it can not only control the on / off state of water inlet to the device, but also ensure that the water pressure of the water flowing from the output port 3241 of the pipe body 32 to the device is stable and low, thus preventing damage to the device due to unstable water pressure.

[0056] In an exemplary embodiment, in the flow direction of water in the water channel 320 , the flow limiting device 31 is disposed upstream of the solenoid valve 33 .

[0057] In this way, after the flow limiting device 31 limits the water flow, the water flow is transmitted to the solenoid valve 33. The water inlet pressure of the solenoid valve 33 can be kept stable and the water pressure is low. The solenoid valve 33 will not be damaged due to unstable water pressure, thereby extending the life of the solenoid valve 33.

[0058] In an exemplary embodiment, the water inlet valve assembly 3 further includes a water inlet check valve 34. The water inlet check valve 34 is disposed in the waterway 320 and may be disposed upstream of the flow restriction device 31. The water inlet check valve 34 is configured to only allow water to flow from the input port 3211 to the output port 3241.

[0059] In this way, the water inlet one-way valve 34 can limit the flow direction of water in the waterway 320, so that the water can only flow along the waterway 320 from the input port 3211 to the output port 3241, preventing the water from flowing back and polluting the water source upstream of the input port 3211.

[0060] In one exemplary embodiment, the water inlet check valve 34 includes a housing 341 and an elastic tube 342. The outer wall of the housing 341 abuts against the inner circumference of the water channel 320. A flow channel 3410 is defined within the housing 341, and the elastic tube 342 is disposed within the flow channel 3410. The ends of the flow channel 3410 communicate with the input port 3211 and the output port 3241, respectively.

[0061] The elastic tube 342 is made of an elastic material, such as silicone or rubber. The elastic tube 342 is constructed as a cylindrical structure. The elastic tube 342 includes an inlet end 34211 and an outlet end 34212. The outer circumferential surface of the inlet end 34211 abuts the inner circumferential surface of the flow channel 3410 of the housing 341. The elastic tube 342 becomes flattened from the round shape in the direction from the outlet end 34212 to the inlet end 34211. The opening of the elastic tube 342 at the outlet end 34212 is configured as a slit. The inlet end 34211 of the elastic tube 342 faces the end of the water channel 320 near the input port 3211, and the outlet end 34212 of the elastic tube 342 faces the downstream direction of the water channel 320.

[0062] In this way, when water is injected into the input port 3211, the water in the waterway 320 flows from the input port 3211 to the output port 3241. After the water flows into the elastic cylinder 342 from the inlet end 34211, the water pressure inside the elastic cylinder 342 expands the opening of the outlet end 34212 of the elastic cylinder 342, allowing the water to flow through the elastic cylinder 342 to the output port 3241 and out of the output port 3241. When water is injected into the output port 3241, the water pressure outside the elastic cylinder 342 compresses the outer wall of the outlet end 34212 of the elastic cylinder 342, causing the outlet end 34212 of the elastic cylinder 342 to become flatter. The opposite sides of the outlet end 34212 of the elastic cylinder 342 are tightly pressed together, sealing the opening of the outlet end 34212. The water in the waterway 320 cannot pass through the elastic cylinder 342, thereby preventing the water in the waterway 320 from flowing from the output port 3241 to the input port 3211.

[0063] In an illustrative embodiment, the housing 341 includes an outer shell 3411 and an inner shell 3412. The outer shell 3411 includes an outer cylinder 34111 and an outer end plate 34112. The outer cylinder 34111 is cylindrical. The outer circumferential surface of the outer cylinder 34111 abuts against the inner circumferential surface of the waterway 320. The outer end plate 34112 can be configured as a generally flat plate. The outer end plate 34112 covers one end of the outer cylinder 34111, with this end facing upstream of the waterway 320. An inlet 34113 is provided on the outer end plate 34112, and the inlet 34113 passes through the outer end plate 34112.

[0064] Inner shell 3412 includes an inner cylinder 34121 and an inner end plate 34122. Inner cylinder 34121 is cylindrical in shape. It is disposed within outer cylinder 34111 and coaxially with outer cylinder 34111. The outer diameter of inner cylinder 34121 is slightly smaller than the inner diameter of outer cylinder 34111. Inner end plate 34122 can be configured as a generally flat plate. Inner end plate 34122 covers one end of inner cylinder 34121, with this end facing downstream of waterway 320. An outlet 34123 is provided on inner end plate 34122, extending through inner end plate 34122.

[0065] A connecting protrusion 34213 is provided on the outer peripheral wall of the inlet end 34211 of the elastic cylinder 342. The connecting protrusion 34213 is constructed in an annular shape and surrounds the inlet end 34211. The connecting protrusion 34213 is sandwiched between the end surface of the inner cylinder 34121 facing the outer end plate 34112 and the plate surface of the outer end plate 34112 facing the inner cylinder 34121.

[0066] In this way, the inner tube 34121 and the outer end plate 34112 clamp the connecting convex ring 34213, which can firmly fix the inlet end 34211 of the elastic tube 342 on the shell 341. The inlet 34113 of the outer end plate 34112, the inner cavity of the inner tube 34121 and the outlet 34123 of the inner end plate 34122 constitute the flow channel 3410 of the shell 341.

[0067] In an exemplary embodiment, the inlet 34113 is disposed in the middle portion of the outer end plate 34112 .

[0068] When water in the waterway 320 flows from the input port 3211 to the output port 3241, since the inlet port 34113 is set in the middle of the outer end plate 34112, the inlet port 34113 can input water toward the middle of the inlet end 34211 of the elastic tube 342. The water flow can enter the elastic tube 342 more smoothly and can more easily expand the opening of the outlet end 34212 of the elastic tube 342, and the resistance of the water flow through the elastic tube 342 is smaller.

[0069] In an exemplary embodiment, a plurality of flow outlets 34123 are provided, and the plurality of flow outlets 34123 are distributed on the edge of the inner end plate 34122 .

[0070] When the water in the waterway 320 has a tendency to flow from the output port 3241 to the input port 3211, since the multiple flow outlets 34123 are distributed on the edge of the inner end plate 34122, the multiple flow outlets 34123 can spray water toward the outer peripheral wall of the outlet end 34212 of the elastic tube 342, and can instantly flatten the outlet end 34212 and seal the outlet end 34212, thereby preventing the water in the waterway 320 from flowing from the output port 3241 to the input port 3211, and blocking the water flow quickly.

[0071] In an exemplary embodiment, the input port 3211 and the output port 3241 on the pipe body 32 are not located on the same axis. The input port 3211 and the output port 3241 may have different orientations.

[0072] When the input port 3211 and the output port 3241 need to be connected to the side of the same pipe, since the input port 3211 and the output port 3241 are not on the same axis, the pipe body 31 is more convenient to install on the side of the pipe, making the whole more compact and occupying less space.

[0073] In an exemplary embodiment, the pipeline body 32 includes a straight pipe 322, a mounting cavity 323, an input connector 321, and an output connector 324. The straight pipe 322 is configured as a substantially straight strip-shaped pipe. The flow limiting device 31 and the water inlet check valve 34 are both disposed within the straight pipe 322.

[0074] The input connector 321 is tubular in shape. One end of the input connector 321 is connected to the outer wall of the straight tube 322 and communicates with the interior of the straight tube 322. The input port 3211 is located at the end of the input connector 321 facing away from the straight tube 322. The axis of the input connector 321 and the axis of the straight tube 322 may be perpendicular to each other.

[0075] The mounting cavity 323 is disposed at one end of the straight tube 322 . A fluid channel 3231 is disposed in the mounting cavity 323 , and one end of the fluid channel 3231 is connected to the inner channel of the straight tube 322 .

[0076] One end of the output connector 324 is connected to the outer wall of the mounting cavity 323 and communicates with the other end of the fluid channel 3231. The output port 3241 is provided at one end of the output connector 324 facing away from the mounting cavity 323.

[0077] The solenoid valve 33 is disposed on the mounting cavity 323 and is configured to connect and disconnect the fluid passage 3231 of the mounting cavity 323. The solenoid valve 33 and the mounting cavity 323 may be connected by screws.

[0078] The water inlet valve assembly 3 further includes a plug 35. The plug 35 blocks one end of the straight pipe 322 facing away from the installation cavity 323. The plug 35 is detachably connected to the straight pipe 322. The plug 35 and the straight pipe 322 can be connected by a snap or threaded connection.

[0079] In this way, since the plug 35 is detachably connected to the end of the straight pipe 322 facing away from the installation cavity 323 and the straight pipe 322 is a straight bar, it is convenient to install the flow limiting device 31 and the water inlet check valve 34 into the straight pipe 322.

[0080] In an exemplary embodiment, the straight pipe 322 includes a first pipe section 3221 and a second pipe section 3222. The first pipe section 3221 and the second pipe section 3222 are coaxially arranged and connected at one end of the first pipe section 3221 and the second pipe section 3222 that is close to each other. The inner diameter of the first pipe section 3221 is smaller than the inner diameter of the second pipe section 3222.

[0081] The mounting cavity 323 is connected to one end of the first pipe section 3221 facing away from the second pipe section 3222. The plug 35 is connected to one end of the second pipe section 3222 facing away from the first pipe section 3221.

[0082] A first stopper 3223 is provided on the inner wall of the end of the first pipe section 3221 facing away from the second pipe section 3222. The first stopper 3223 can be configured as an annular protrusion. The flow limiting device 31 is disposed within the first pipe section 3221. The end of the tube body 3111 of the flow limiting device 31 facing away from the flow limiting plate 312 abuts against the sidewall of the first stopper 3223.

[0083] A second stopper 3224 is provided on the inner wall of the second pipe section 3222, near one end of the first pipe section 3221. The water inlet check valve 34 is disposed within the second pipe section 3222. One end of the housing 341 of the water inlet check valve 34 abuts against the sidewall of the second stopper 3224. The input connector 321 is connected to the second pipe section 3222 and is located on the side of the water inlet check valve 34 facing away from the first pipe section 3221.

[0084] Thus, because the flow limiting device 31 is disposed in the first pipe section 3221 and abuts against the side wall of the first limiting portion 3223, the flow limiting device 31 can be firmly fixed in the first pipe section 3221. Because the water inlet check valve 34 is disposed in the second pipe section 3222 and abuts against the side wall of the second limiting portion 3224, the water inlet check valve 34 can be firmly fixed in the second pipe section 3222.

[0085] like Figures 11-14 As shown, Figures 11-14 The water inlet assembly 100 of a toilet bowl in the present application is shown. The water inlet assembly 100 comprises a filter support 1, a filter assembly, a first valve 2 and a water inlet valve assembly 3.

[0086] like Figure 16 、 17 As shown, the filter bracket 1 is provided with a first water inlet 111, a first water outlet 112 and a second water outlet 113. The first water inlet 111 is used to connect to an external tap water supply pipe. A water channel is provided inside the filter bracket 1 to connect the first water inlet 111 and the first water outlet 112.

[0087] like Figure 14 、 19 As shown in Figures 20 and 20, the first valve 2 can be a single-pulse valve. The first valve 2 is provided with a water inlet 21 and a water outlet 22. The first valve 2 is connected to the filter bracket 1. The water inlet 21 of the first valve 2 is connected to the first water outlet 112 of the filter bracket 1. The water outlet 22 of the first valve 2 is used to connect to the brush ring nozzle. The first valve 2 can open and close the first water outlet 112 of the filter bracket 1. The first water outlet 112 of the filter bracket 1 can supply water to the brush ring nozzle of the toilet. The brush ring nozzle is used to flush the toilet cavity.

[0088] like Figure 14 、 15 As shown in Figures 17 and 17 , the filter assembly includes a first filter assembly 4 and a second filter assembly 5 . The first filter assembly 4 is capable of filtering water. The first filter assembly 4 is mounted on the filter bracket 1 . The first filter assembly 4 is provided with a filter inlet 4111 and a filter outlet 4112 . The filter inlet 4111 is connected to the first water inlet 111 .

[0089] like Figure 17 、 21 As shown, the water inlet valve assembly 3 is connected to the filter bracket 1 . The input port 3211 of the water inlet valve assembly 3 is connected to the filter outlet 4112 of the first filter assembly 4 .

[0090] like Figure 14 、 15 As shown in Figures 17 and 17 , the second filter assembly 5 can filter water. The second filter assembly 5 is mounted on the filter support 1 . The second filter assembly 5 is provided with a scale inhibition inlet 512 and a scale inhibition outlet 513 . The scale inhibition inlet 512 is connected to the output port 3241 of the water inlet valve assembly 3 . The scale inhibition outlet 513 is connected to the second water outlet 113 of the filter support 1 .

[0091] Second water outlet 113 supplies water to the toilet's body wash assembly and foam generator. The body wash assembly is used to wash the vulva and buttocks. The foam generator generates foam and delivers it to the toilet. The foam prevents splashing, cleans the toilet cavity, and prevents odor.

[0092] In this way, Figure 16As shown, when the first valve 2 is opened, water flows from the first water inlet 111 into the filter bracket 1, and then outputs from the first water outlet 112 of the filter bracket 1. The first water outlet 112 can supply water to the toilet brush ring nozzle, thereby flushing the toilet. When the first valve 2 is closed, the first water outlet 112 no longer outputs water. Figure 17 As shown, when the solenoid valve 33 of the water inlet valve assembly 3 is open, water can flow sequentially through the first water inlet 111 of the filter support 1, the first filter assembly 4, the water inlet valve assembly 3, the second filter assembly 5, and the second water outlet 113 of the filter support 1, and is then delivered to the body washing component and the foam generating component through the second water outlet 113. When the solenoid valve 33 of the water inlet valve assembly 3 is closed, water stops flowing out of the second water outlet 113.

[0093] The water inlet component 100 has a water dividing function, which can divide the water input from the first water inlet 111 into two paths. One path is delivered to the toilet brush ring nozzle as toilet flushing water, and the other path is delivered to the human body cleaning component and the foam generating component as human body cleaning water and foam liquid dilution water respectively, thereby effectively separating the toilet flushing water and the human body cleaning water to prevent the toilet flushing water from contaminating the human body cleaning water.

[0094] At the same time, the water output from the second water outlet 113 has been filtered twice by the first filter component 4 and the second filter component 5, and the water is purer. When used as water for human cleaning, it can ensure human health. When used as water for diluting foam liquid, it can prevent impurities from entering the foam generating component and causing damage.

[0095] In particular, the second filter assembly 5 is located downstream of the water inlet valve assembly 3. The water pressure in the waterway downstream of the water inlet valve assembly 3 is stable and low, ensuring that the second filter assembly 5 will not burst due to unstable water pressure. The water inlet valve assembly 3 is located downstream of the first filter assembly 4, which can prevent the water inlet valve assembly 3 from being clogged by impurities in the water.

[0096] The water inlet assembly 100 has a high degree of integration, a compact structure, and occupies a small space.

[0097] In an illustrative embodiment, Figure 15 、 17As shown, the first filter assembly 4 includes a filter support 41 and a filter 42. A filter inlet 4111 and a filter outlet 4112 are both disposed on the filter support 41. The filter support 41 is also provided with a first filter channel 4113. The first filter channel 4113 extends from the filter inlet 4111 to the filter outlet 42. One end of the first filter channel 4113 is connected to the first water inlet 111 of the filter support 1 via the filter inlet 4111, and the other end is connected to the input port 3211 of the water inlet valve assembly 3 via the filter outlet 4112. The filter 42 has a mesh structure. The filter 42 can be made of either a metal mesh or a nylon mesh. The filter 42 is disposed on the filter support 41. A rubber coating is provided on the surface of the filter support 41, connecting the filter 42 to the filter support 41, thereby forming an integral part of the filter 42 and the filter support 41. The filter 42 has multiple mesh openings, each of which can be 100 mesh. The filter screen 42 is disposed on the first filtering channel 4113 .

[0098] The second filter assembly 5 includes a scale inhibitor support 51 and a scale inhibitor 52. A scale inhibitor inlet 512 and a scale inhibitor outlet 513 are both provided on the scale inhibitor support 51. A scale inhibitor chamber 511 is provided within the scale inhibitor support 51. The scale inhibitor chamber 511 is connected to the output port 3241 of the water inlet valve assembly 3 via the scale inhibitor inlet 512, and to the second water outlet 113 of the filter support 1 via the scale inhibitor outlet 513. Both the scale inhibitor inlet 512 and the scale inhibitor outlet 513 are through-holes extending through the wall of the scale inhibitor chamber 511. Both the scale inhibitor inlet 512 and the scale inhibitor outlet 513 are connected to the scale inhibitor chamber 511.

[0099] The scale inhibitor 52 is a chemical that disperses insoluble inorganic salts in water, preventing or interfering with their precipitation and scaling on metal surfaces, thereby maintaining good heat transfer performance for metal equipment. The scale inhibitor 52 can be in the form of solid particles or a porous block. The scale inhibitor 52 is filled into the scale inhibition chamber 511 of the scale inhibition support 51.

[0100] Thus, when the solenoid valve 33 of the water inlet valve assembly 3 is opened, water flows sequentially through the first water inlet 111 of the filter support 1, the filter inlet 4111 of the first filter assembly 4, the first filter channel 4113, the filter outlet 4112, the input port 3211 of the water inlet valve assembly 3, the output port 3241 of the water inlet valve assembly 3, the scale inhibition inlet 512 of the second filter assembly 5, the scale inhibition chamber 511, the scale inhibition outlet 513, and the second water outlet 113 of the filter support 1. As water flows through the first filter channel 4113 of the filter support 41, it is filtered by the filter screen 42, and solid impurities in the water larger than the mesh size of the filter screen 42 are removed by the filter screen 42. As water flows through the scale inhibition chamber 511, the descaling agent removes insoluble inorganic salts and solid impurities from the water, preventing scale from forming in the water path of the body washing assembly when the heating device heats the water. The scale inhibitor 52 also filters out particulate impurities.

[0101] In an illustrative embodiment, the filter support 1 includes a mounting barrel 11. The mounting barrel 11 is configured as a substantially cylindrical cylinder. The first filter assembly 4 and the second filter assembly 5 are both disposed within the mounting barrel 11. The first filter assembly 4 and the second filter assembly 5 are arranged in sequence along the axial direction of the mounting barrel 11. The mounting barrel 11 can be vertically arranged, with the first filter assembly 4 positioned below the second filter assembly 5. The scale inhibitor support 51 is detachably connected to the mounting barrel 11. The scale inhibitor support 51 is connected to the filter screen support 41.

[0102] A first water inlet 111 is provided at the end of the mounting tube 11 near the first filter assembly 4. A first water outlet 112 is provided on the sidewall of the mounting tube 11 near the first filter assembly 4. The first water outlet 112 may be located outside the filter bracket 1. A second water outlet 113 is provided on the sidewall of the mounting tube 11 near the second filter assembly 5. The second water outlet 113 is connected to the scale inhibition outlet 513 of the scale inhibition bracket 51.

[0103] A first water outlet hole 114 and a first water inlet hole 115 are also provided on the side wall of the mounting tube 11. The first water outlet hole 114 is aligned with the input port 3211 of the water inlet valve assembly 3. One end of the first water outlet hole 114 is connected to the end of the first filter channel 4113 of the filter bracket 1 facing away from the first water inlet 111, and the other end of the first water outlet hole 114 is connected to the input port 3211 of the water inlet valve assembly 3. The first water inlet hole 115 is located on the outside of the scale inhibition bracket 51. The first water inlet hole 115 can be aligned with the scale inhibition inlet 512 of the scale inhibition bracket 51 in the axial direction of the mounting tube 11. One end of the first water inlet hole 115 is connected to the output port 3241 of the water inlet valve assembly 3, and one end of the first water inlet hole 115 is connected to the scale inhibition inlet 512 of the scale inhibition bracket 51.

[0104] The mounting barrel 11 is sleeved onto the scale-inhibiting bracket 51, further preventing the scale-inhibiting bracket 51 from bursting due to water pressure. Since the scale-inhibiting bracket 51 is connected to the filter screen bracket 41 and is detachably connected to the mounting barrel 11, the first filter assembly 4 and the second filter assembly 5 can be installed into and removed from the mounting barrel 11 simultaneously, making assembly and disassembly of the first and second filter assemblies 4 and 5 more convenient. It also facilitates cleaning of the filter screen 42 of the first filter assembly 4 after removal.

[0105] In this way, when the solenoid valve 33 of the water inlet valve assembly 3 is opened, the water flows in sequence through the first water inlet 111 of the mounting cylinder 11, the filter inlet 4111 of the filter bracket 1, the first filter channel 4113, the filter outlet 4112, the first water outlet hole 114 of the mounting cylinder 11, the input port 3211 of the water inlet valve assembly 3, the output port 3241 of the water inlet valve assembly 3, the first water inlet 111 of the mounting cylinder 11, the scale inhibition inlet 512 of the scale inhibition bracket 51, the scale inhibition chamber 511, the scale inhibition outlet 513, and the second water outlet 113 of the filter bracket 1.

[0106] In an exemplary embodiment, the water inlet valve assembly 3 is fixed to one side of the mounting cylinder 11. The input port 3211 of the water inlet valve assembly 3 is directly connected to the first water outlet 114 of the mounting cylinder 11, and the output port 3241 of the water inlet valve assembly 3 is directly connected to the first water inlet 115 of the mounting cylinder 11.

[0107] In this way, fixing the water inlet valve assembly 3 on one side of the mounting tube 11 can improve the integration of the water inlet assembly 100, increase the degree of modularization, make the structure of the water inlet assembly 100 more compact, and occupy less space.

[0108] In one exemplary embodiment, the scale inhibitor support 51 is cylindrical in shape. Its cross-section may be circular and coaxial with the mounting cylinder 11. The end of the scale inhibitor support 51 facing away from the filter support 41 is closed. A charging port 518 is provided on the end of the scale inhibitor support 51 facing the filter support 41. The charging port 518 may be a circular opening. The charging port 518 connects to the scale inhibitor chamber 511 of the scale inhibitor support 51.

[0109] The filter support 41 is detachably connected to the scale-inhibiting support 51. The filter support 41 and the scale-inhibiting support 51 can be detachably connected by snap-fit ​​connection, threaded connection or screw connection. The filter support 41 blocks the charging port 518 of the scale-inhibiting support 51.

[0110] In this way, when it is necessary to replace the scale inhibitor 52 in the scale inhibitor holder 51, the user can first remove the first filter assembly 4 and the second filter assembly 5 from the mounting barrel 11, then remove the filter holder 41 from the scale inhibitor holder 51 to open the loading port 518 on the scale inhibitor holder 51, and then replace the scale inhibitor 52 in the scale inhibition chamber 511 through the loading port 518. After that, the filter holder 41 is reinstalled on the scale inhibitor holder 51, and finally the first filter assembly 4 and the second filter assembly 5 are reinstalled into the mounting barrel 11. In this way, the user can conveniently replace the scale inhibitor 52 by himself, which provides a better user experience.

[0111] In an exemplary embodiment, the outer peripheral wall of the scale inhibitor support 51 is provided with a first annular groove 514 and a second annular groove 515. The first annular groove 514 and the second annular groove 515 can both be annular and surround the scale inhibitor support 51. The first annular groove 514 can be located below the second annular groove 515. The first annular groove 514 and the second annular groove 515 are spaced apart and do not communicate with each other. The scale inhibitor inlet 512 is provided at the bottom of the first annular groove 514. The scale inhibitor outlet 513 is provided at the bottom of the second annular groove 515.

[0112] The mounting tube 11 is sleeved onto the scale inhibitor support 51. The inner circumferential wall of the mounting tube 11 covers the opening of the first annular groove 514 and the opening of the second annular groove 515 of the scale inhibitor support 51. The first water inlet 115 of the mounting tube 11 is flush with the first annular groove 514 of the scale inhibitor support 51 in the axial direction of the mounting tube 11. The inward end of the first water inlet 115 of the mounting tube 11 is connected to the first annular groove 514. The second water outlet 113 of the mounting tube 11 is flush with the second annular groove 515 of the scale inhibitor support 51 in the axial direction of the mounting tube 11. The second water outlet 113 of the mounting tube 11 is connected to the second annular groove 515.

[0113] In this way, the first water inlet 115 on the mounting tube 11 can be connected to the scale inhibition inlet 512 of the scale inhibition bracket 51 through the first annular groove 514, and the second water outlet 113 on the mounting tube 11 can be connected to the scale inhibition outlet 513 of the scale inhibition bracket 51 through the second annular groove 515, so that there is no need to require the first water inlet 115 to be precisely aligned with the scale inhibition inlet 512, nor is there any need to require the second water outlet 113 to be precisely aligned with the scale inhibition outlet 513, thereby reducing the matching accuracy requirements between the mounting tube 11 and the scale inhibition bracket 51, and making production and installation easier.

[0114] In an illustrative embodiment, Figure 17 As shown, the inner circumferential wall of the mounting cylinder 11 is provided with an internal thread 116. The outer circumferential wall of the scale inhibitor bracket 51 is provided with an external thread 517 that screws with the internal thread 116. The external thread 517 of the scale inhibitor bracket 51 can be provided at one end of the scale inhibitor bracket 51 close to the filter bracket 41.

[0115] The scale-inhibiting bracket 51 and the mounting tube 11 form a threaded connection through the cooperation of the internal thread 116 and the external thread 517. The scale-inhibiting bracket 51 can be disassembled and assembled by simply rotating it relative to the mounting tube 11, making the disassembly and assembly of the scale-inhibiting bracket 51 more convenient.

[0116] In an illustrative embodiment, Figure 15 As shown, a handle 516 is provided at one end of the scale-inhibiting support 51 facing away from the filter support 1, and the handle 516 extends out of the mounting cylinder 11. The handle 516 can be constructed as a plate-like structure.

[0117] The user can operate the handle 516 to rotate the scale-inhibiting bracket 51 , making it more convenient to disassemble and assemble the scale-inhibiting bracket 51 .

[0118] In an illustrative embodiment, Figure 5 、 7 As shown, the filter holder 41 is constructed as a cylinder with both ends closed. The filter inlet 4111 and the filter outlet 4112 are both provided on the side wall of the filter holder 41. There are multiple filter inlets 4111, preferably two. The multiple filter outlets 4112 are all located at one end of the filter holder 41 close to the first water inlet 111. The multiple filter outlets 4112 can be evenly distributed around the circumference of the filter holder 1. The filter outlet 4112 is provided on the side of the filter outlet 4112 facing away from the first water inlet 111. The filter outlet 4112 is connected to the first water outlet 114 of the filter holder 1. The first filter flow channel 4113 is an internal channel of the filter holder 41, and the first filter flow channel 4113 extends from each filter inlet 4111 to the filter outlet 4112.

[0119] The filter screen 42 is cylindrical in shape and is disposed in the first filter flow channel 4113 of the filter screen holder 41 . The filter screen 42 covers all filter inlets 4111 of the filter screen holder 41 .

[0120] In this way, the filter screen 42 is embedded in the filter screen holder 41 and the filter screen 42 is not easy to fall out of the filter screen holder 41. At the same time, the filter screen holder 41 is provided with multiple filter inlets 4111, and the cylindrical filter screen 42 covers all the filter inlets 4111, which can make the filter screen 42 as large as possible in a limited space, thereby reducing the resistance of the filter screen 42 to the water flow.

[0121] In an illustrative embodiment, Figure 15 、 17 As shown, the filter holder 41 includes a holder body 411 and a plug 35412. The holder body 411 is constructed as a cylindrical structure with one end closed. Multiple filter outlets 4112 are provided on the side wall of the holder body 411, and a first filter flow channel 4113 is provided within the holder body 411. The plug 35412 blocks the unsealed end of the holder body 411.

[0122] In an exemplary embodiment, the water inlet assembly 100 further includes a third valve 7. The third valve 7 is disposed at the first water inlet 111. The filter holder 41 is disposed between the third valve 7 and the scale inhibitor, and the filter holder 41 squeezes the third valve 7. The third valve 7 is configured to open the first water inlet 111 when squeezed by the filter holder 41 and to close the first water inlet 111 when not squeezed by the filter holder 41.

[0123] When the first filter assembly 4 and the second filter assembly 5 are both installed in the installation barrel 11, the third valve 7 is open, and water can be input into the installation barrel 11 through the first water inlet 111. After the first filter assembly 4 and the second filter assembly 5 are removed from the installation barrel 11, the filter holder 41 no longer squeezes the third valve 7, and the third valve 7 is closed, preventing water from being input into the installation barrel 11 through the first water inlet 111.

[0124] In this way, without shutting off the water source, the user can remove the first filter assembly 4 and the second filter assembly 5 from the installation barrel 11. After removing the first filter assembly 4 and the second filter assembly 5, the third valve 7 closes the first water inlet 111, and water does not flow out of the installation barrel 11. After reinstalling the first filter assembly 4 and the second filter assembly 5 into the installation barrel 11, the third valve 7 is squeezed by the filter bracket 41 and reopens, allowing water to flow into the first water inlet 111 again. This makes it more convenient for the user to replace the antiscalant 52.

[0125] In an illustrative embodiment, Figure 14 、 18 As 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 second connecting portion 713. The valve seat 711 is cylindrical in shape. The valve seat 711 is disposed within the mounting tube 11, with the outer peripheral wall of the valve seat 711 abutting against the inner peripheral wall of the mounting tube 11. The valve seat 711 is provided with an internal passage.

[0126] The connecting seat 712 is located on the side of the valve seat 711 facing away from the filter support 41. The connecting seat 712 can be constructed in an annular shape. The connecting seat 712 can be coaxial with the seat body 71. The connecting seat 712 is provided with a slideway, which is a straight strip and coaxial with the valve seat 711, and the slideway runs through the connecting seat 712.

[0127] The second connecting portion 713 can be configured as a strip. The second connecting portion 713 extends from the valve seat 711 to the connecting seat 712. The second connecting portion 713 connects the connecting seat 712 and the valve seat 711. Multiple second connecting portions 713 can be provided, and the multiple second connecting portions 713 are evenly distributed around the circumference of the connecting seat 712.

[0128] The sealing gasket 77 is flexible and can be a rubber ring. The sealing gasket 77 is fixed to the valve seat 711. The sealing gasket 77 is disposed at one end of the valve seat 711 near the second connecting portion 713. The sealing gasket 77 is coaxial with the valve seat 711. The internal passage of the sealing gasket 77 is connected to the internal passage of the valve seat 711.

[0129] The closing member 75 includes a valve stem 751 and a valve flap 752. The valve stem 751 is a straight rod. One end of the valve stem 751 is inserted into the slideway of the second connecting portion 713. The valve stem 751 and the slideway are clearance-fitted. The valve stem 751 can slide along the slideway.

[0130] The valve flap 752 can be disc-shaped. It is disposed between the sealing gasket 77 and the connecting seat 712. The valve flap 752 is connected to the end of the valve stem 751 near the valve seat 711. The valve flap 752 and the sealing gasket 77 can be coaxially arranged. The diameter of the valve flap 752 is larger than the diameter of the internal passage of the sealing gasket 77. The valve flap 752 can block the end of the internal passage of the sealing gasket 77 that faces the valve flap 752.

[0131] The elastic member 74 may be a compression spring. One end of the elastic member 74 abuts against the end of the valve flap 752 that faces the connection seat 712, and the other end of the elastic member 74 abuts against the end of the connection seat 712 that faces the valve flap 752. The elastic member 74 is in a compressed state, exerting an elastic force on the valve flap 752 toward the sealing gasket 77.

[0132] When the first filter assembly 4 and the second filter assembly 5 are installed in the cylinder, the end of the filter bracket 41 facing away from the descaling bracket presses the valve flap 752 to separate the valve flap 752 and the sealing gasket 77 .

[0133] Thus, when the first filter assembly 4 and the second filter assembly 5 are installed in the cylinder, the filter holder 41 squeezes the valve flap 752, separating the valve flap 752 and the sealing gasket 77 of the third valve 7. The third valve 7 is then opened, and water, after being input into the installation cylinder 11 from the first water inlet 111, can flow sequentially 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 to reach the first water outlet 112 and the filter inlet 4111 of the filter holder 41. After the first filter assembly 4 and the second filter assembly 5 are removed from the cylinder, the valve flap 752, under the elastic force of the elastic member 74, moves to contact the gasket, thereby blocking the internal passage of the gasket. The third valve 7 is then closed, and water cannot pass through the internal passage of the gasket to reach the first water outlet 112 and the filter inlet 4111 of the filter holder 41.

[0134] In an illustrative embodiment, Figure 13As shown, the water inlet assembly 100 further includes a battery 84. The battery 84 can be configured in a rectangular shape. The battery 84 is electrically connected to the electrical devices of the toilet and provides power to these devices. The battery 84 can also power the first valve 2 and some electrical devices of the flushing system in the event of a power outage.

[0135] like Figure 12 、 13 As shown, the filter bracket 1 also includes a battery compartment 12 and a foam liquid compartment 13. The water inlet assembly 100 also includes a battery cover 81 and a liquid filling cover 82. The battery compartment 12 is used to accommodate the battery 84 and protect the battery 84 from being contaminated by water and dust. The foam liquid compartment 13 is used to add foam liquid. The foam liquid compartment 13 is provided with a foam liquid outlet, which is connected to the foam generating assembly of the toilet through a pipe. The battery compartment 12 and the foam liquid compartment 13 are both arranged on the side of the mounting tube 11 facing away from the water inlet. The battery compartment 12, the foam liquid compartment 13 and the mounting tube 11 can be an integrally formed structure. Openings can be provided on the top of the battery compartment 12 and the foam liquid compartment 13. The battery cover 81 can be covered on the opening of the battery compartment 12 to seal the opening. The liquid filling cover 82 can be covered on the opening of the foam liquid compartment 13 and seal the opening.

[0136] In this way, the battery 84 and the foam liquid are respectively accommodated in the battery compartment 12 and the foam liquid compartment 13, and the battery compartment 12 and the foam liquid compartment 13 are arranged at the top of the mounting tube 11, which is convenient for replacing the battery 84 and adding foam liquid, and makes the overall structure of the water inlet assembly 100 compact and occupies a small volume.

[0137] In an illustrative embodiment, Figure 19 、 20 As shown, the filter support 1 further includes a water outlet connector 117. The water outlet connector 117 is disposed on the outer side wall of the installation cylinder 11. The water outlet connector 117 is connected to the first water outlet 112 of the installation cylinder 11.

[0138] like Figure 19 As shown, the water inlet assembly 100 also includes a flush adapter 9. The flush adapter 9 includes a water inlet connector 91, an elbow 92 and a snap-fit ​​seat 93. The water inlet connector 91 is plugged into the water outlet connector 117 of the filter bracket 1. The elbow 92 can be constructed as an elbow 92 bent at a right angle. One end of the elbow 92 is connected to the water inlet connector 91, and the other end of the elbow 92 extends upward. The snap-fit ​​seat 93 is connected to the end of the elbow 92 facing away from the water inlet connector 91. The first valve 2 is provided with an end of the water inlet that is snap-fitted to the snap-fit ​​seat 93. The water outlet 22 of the first valve 2 is used to connect to the brush ring nozzle.

[0139] In this way, the first valve 2 is connected to the installation tube 11 through the water outlet connector 117, and the water outlet connector 117 connects the water inlet 21 of the first valve 2 and the first water outlet 112 of the installation tube 11, so that the position of the first valve 2 can be arranged more flexibly.

[0140] In an exemplary embodiment, the clamping seat 93 is annular in shape. A clamping slot 931 is provided on the inner wall of the clamping seat 93. The clamping slot 931 extends along the circumference of the clamping seat 93. A disassembly opening 932 is provided at one end of the clamping slot 931.

[0141] A raised portion 23 is provided on the outer peripheral wall of the first valve 2 at the end where the water inlet is located. The raised portion 23 may be strip-shaped and extends circumferentially along the outer peripheral wall of the first valve 2. The raised portion 23 is received in a slot 931 of the engaging seat 93. The length of the raised portion 23 is less than the width of the disassembly opening 932 of the engaging seat 93, allowing the raised portion 23 to pass through the disassembly opening 932.

[0142] Thus, when the first valve 2 needs to be installed on the clamping seat 93, the first valve 2 is inserted into the clamping seat 93 so that the protrusion 23 is aligned with the disassembly opening 932. The first valve 2 is then rotated so that the protrusion 23 slides along the locking groove 931 and enters the locking groove 931, thereby achieving a snap connection between the first valve 2 and the clamping seat 93. When the first valve 2 needs to be removed from the clamping seat 93, the first valve 2 only needs to be rotated so that the protrusion 23 moves out of the locking groove 931 from the disassembly opening 932, and then the first valve 2 is pulled out of the clamping seat 93.

[0143] In an illustrative embodiment, Figure 13 As shown, the water inlet assembly 100 further includes a radio frequency module 6. The radio frequency module 6 is used for wireless communication with the remote control. The radio frequency module 6 is connected to the flushing adapter 9. The radio frequency module 6 can be disposed on one side of the card seat 93 and snap-connected to the card seat 93.

[0144] The radio frequency module 6 is connected to the flush adapter 9, which can fully utilize the space on one side of the flush adapter 9, making the overall structure of the water inlet component 100 more compact and occupying a smaller volume.

[0145] In an illustrative embodiment, Figure 11 、 14 As shown, the water inlet assembly 100 further includes a water delivery pipe 83, the two ends of which are respectively connected to the output port 3241 of the water inlet valve assembly 3 and the first water inlet hole 115 of the mounting tube 11. The output port 3241 of the water inlet valve assembly 3 and the first water inlet hole 115 of the mounting tube 11 are connected via the water delivery pipe 83.

[0146] This embodiment also provides a toilet, which includes the water inlet assembly 100, the human body cleaning assembly, the brush ring nozzle, the foam generating assembly and a ceramic toilet.

[0147] A toilet cavity is provided on the ceramic toilet. The ceramic toilet is connected to a brush ring nozzle, a human body cleaning component, a foam generating component and a water inlet component 100. The brush ring nozzle is provided at the top of the toilet cavity. The brush outlet nozzle is connected to the water outlet 22 of the first valve 2 through a pipe. The brush outlet nozzle can spray the water output by the first valve 2 into the toilet cavity to flush the toilet cavity. The human body cleaning component and the foam generating component are connected to the second water outlet 113 of the water inlet component 100. The human body cleaning component is provided on one side of the toilet cavity, and the human body cleaning component is provided with a nozzle that sprays water upward. The heating device or instant heating component can heat the water output by the second water outlet 113 and spray the heated water from the nozzle. The foam outlet of the foam generating component is connected to the toilet cavity, and the foam generating component mixes the water, foam liquid and air provided by the water inlet component 100 into foam and outputs it from the foam outlet to the toilet cavity.

[0148] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0149] Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be understood to indicate or imply relative importance or to implicitly specify the quantity of the technical features being referred to. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include at least one of the features.

[0150] In the description of the present application, “a plurality of” means at least two, for example, two, three, etc., unless otherwise clearly and specifically defined.

[0151] In this application, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, "connected" can mean fixed connection, detachable connection, or integration; it can mean mechanical connection or electrical connection; it can mean direct connection or indirect connection through an intermediate medium; it can mean internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0152] In this application, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it can mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Furthermore, when a first feature is "above," "above," or "above" a second feature, it can mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it can mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0153] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.

[0154] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A current limiting device, characterized in that: include: The base includes a tube body and a first connecting portion connected to the tube body, wherein the tube 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 a flow limiting plate, which is elastic and fixedly connected to the first connecting portion, and forms a water-passing gap with the water inlet end; Wherein, the water flow channel is provided with a channel inlet located on the water inlet end, and the channel inlet is connected to the water flow gap.

2. The current limiting device according to claim 1, characterized in that: The first connecting portion includes a column and a plurality of connecting bars coaxially arranged with the channel inlet; The diameter of the column is smaller than the diameter of the channel entrance, one end of the column is inserted into the channel entrance, the connecting strip extends from the end of the column inserted into the channel entrance to the inner wall of the channel entrance, and a plurality of connecting strips are evenly distributed around the circumference of the column; The current limiting plate is constructed as an annular plate which is sleeved on the column and fixedly connected to the column.

3. The current limiting device according to claim 1 or 2, characterized in that: The base further includes a plurality of limiting protrusions arranged in the water flow gap and connected to the pipe body, wherein the plurality of limiting protrusions are arranged around the channel entrance; The plurality of limiting protrusions are all against the current limiting sheet.

4. A water inlet valve assembly, characterized in that: comprising a flow limiting device, a pipeline body and a solenoid valve as claimed in any one of claims 1 to 3; The pipeline body is provided with an input port, an output port and a water channel extending from the input port to the output port. The flow limiting device and the solenoid valve are arranged on the water channel. The outer peripheral surface of the pipe body is against the inner peripheral surface of the water channel. The flow limiting plate is located on the side of the pipe body close to the input port.

5. The water inlet valve assembly according to claim 4, characterized in that: The flow limiting device is arranged upstream of the solenoid valve.

6. The water inlet valve assembly according to claim 4, characterized in that: It also includes a water inlet one-way valve arranged on the water channel, and the water inlet one-way valve can only pass water flowing from the input port to the output port.

7. The water inlet valve assembly according to claim 6, characterized in that: The water inlet one-way valve is arranged upstream of the flow limiting device; The water inlet one-way valve includes a shell with a flow channel therein and an elastic cylinder arranged in the flow channel of the shell; The outer wall of the shell abuts against the inner circumferential surface of the water channel; The elastic tube includes an inlet end and an outlet end. The outer circumferential surface of the inlet end abuts against the inner circumferential surface of the flow channel of the shell. The elastic tube becomes flat from the inlet end to the outlet end, and the outlet end faces the downstream direction of the water channel.

8. The water inlet valve assembly according to claim 7, characterized in that: The housing comprises: a housing comprising an outer cylinder whose outer circumference abuts against the inner circumference of the water channel and an outer end plate covering one end of the outer cylinder facing the downstream direction of the water channel; and An inner shell, comprising an inner cylinder disposed in the outer cylinder and coaxially with the outer cylinder, and an inner end plate disposed at one end of the inner cylinder facing the downstream direction of the waterway; The outer end plate is provided with an inlet, the inner end plate is provided with an outlet, and a connecting convex ring is provided on the outer peripheral wall of the inlet end, and the connecting convex ring is clamped between the inner cylinder and the outer end plate.

9. The water inlet valve assembly according to claim 8, characterized in that: The inlet is arranged in the middle of the outer end plate; and / or, There are multiple outflow ports, and the multiple outflow ports are distributed on the edge of the inner end plate.

10. The water inlet valve assembly according to claim 6, characterized in that: The input port and the output port are not located on the same axis.

11. The water inlet valve assembly according to claim 10, characterized in that: The pipeline body includes a straight pipe, a mounting cavity provided at one end of the straight pipe, an input connector connected to the straight pipe, and an output connector connected to the mounting cavity; The water inlet valve assembly further includes a plug for sealing an end of the straight pipe facing away from the installation cavity; The input port is provided on the input connector, and the output port is provided on the output connector; A fluid channel is provided in the installation cavity, and two ends of the fluid channel are respectively connected to the output connector and the straight pipe; The solenoid valve is connected to the installation cavity and can connect and cut off the fluid channel; The plug is detachably connected to the straight pipe, and the flow limiting device and the water inlet one-way valve are both arranged in the straight pipe.

12. The water inlet valve assembly according to claim 11, characterized in that: The straight pipe includes a first pipe section and a second pipe section; In which, the installation cavity, the first pipe section, the second pipe section and the plug are connected in sequence, the inner diameter of the first pipe section is smaller than the inner diameter of the second pipe section, a first limiting portion is provided on the inner wall of the end of the first pipe section facing away from the second pipe section, the flow limiting device is provided in the first pipe section and abuts against the side wall of the first limiting portion, a second limiting portion is provided on the inner wall of the end of the second pipe section facing away from the first pipe section, and the water inlet one-way valve is provided in the second pipe section and abuts against the second limiting portion.

13. A water inlet assembly for a toilet, characterized in that: include: The filter bracket is provided with a first water inlet, a first water outlet and a second water outlet; A filter assembly is mounted on the filter bracket; a first valve configured to open and close the first water outlet; as well as, A water inlet valve assembly, which is the water inlet valve assembly according to any one of claims 1 to 12, and is used to open and close the second water outlet; In which, the first water outlet is used to supply water to the brush ring nozzle of the toilet, the second water outlet is used to supply water to the human body cleaning component and / or foam generating component of the toilet, the first water inlet is connected to the first water inlet and the water inlet valve assembly, and the water inlet valve assembly is connected to the second water outlet through at least part of the filter assembly.

14. A toilet, characterized in that: Comprising the water inlet assembly as claimed in claim 13.

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