Spraying rod assembly, waterway system, control method and intelligent pedestal pan

Abstract

The invention relates to the technical field of intelligent pedestal pans, in particular to a spray rod assembly, a waterway system, a control method and an intelligent pedestal pan. The spray rod assembly comprises a nozzle, a water path switching mechanism, a first pipeline and a second pipeline, the water path switching mechanism comprises a switching piece and a driving part, the switching piece is provided with a through-flow hole and a flow guide part, and the driving part is connected with the switching piece and drives the switching piece to move between a first position and a second position; when the switching piece is located at the first position, the first pipeline and the second pipeline form a fluid passage through the water path switching mechanism, so that liquid entering the first pipeline flows to the second pipeline; when the switching piece is located at the first position, a fluid channel between the first pipeline and the second pipeline is cut off, and liquid entering the first pipeline and the second pipeline flows to the nozzle. By means of the arrangement, it is ensured that all parts in the pipeline can be fully and thoroughly cleaned.

Description

Technical Field

[0001] The present invention relates to the technical field of smart toilets, and in particular to a spray rod assembly, a waterway system, a control method and a smart toilet. Background Art

[0002] With the development of smart home technology, electronic toilets, with their multifunctional features such as posterior washing, feminine washing, and heating, have become a staple in modern home bathrooms. To ensure hygienic use and extend the life of the equipment, the need for descaling the water system of electronic toilets is growing. This is particularly true among the elderly, whose popularity is increasing year by year. Elderly users place greater demands on the ease of use, safety, and comfort of bathroom equipment. On the one hand, elderly users may have mobility issues or vision problems, and complex operating procedures (such as the need to draw in traditional descaling liquid through a cleaning nozzle) can easily lead to user difficulties. On the other hand, the elderly have higher requirements for hygiene and equipment stability. Residual dirt in the water system not only affects the service life but can also breed bacteria, increasing health risks.

[0003] In existing technology, descaling liquid for electronic toilets is typically drawn into the water system through a cleaning nozzle. This method is cumbersome to operate, and the descaling liquid only partially covers the waterway, failing to effectively clean the pipes behind the reversing valve (such as the internal pipes of the spray bar assembly), resulting in incomplete descaling of the entire waterway. Furthermore, existing descaling solutions have poor compatibility with electronic toilet systems, making them difficult to apply to smart toilets of different standard systems, limiting their scope of application. Furthermore, the existing switching logic between descaling and normal cleaning functions is complex, further reducing the user experience.

[0004] It should be noted that the information disclosed in this background technology section is only intended to increase understanding of the overall background of the present invention, and should not be regarded as an admission or any form of implication that the information constitutes prior art already known to those skilled in the art. Summary of the Invention

[0005] To address the descaling technical issues associated with the coordination between the cleaning nozzle and the water system in the aforementioned conventional intelligent toilets, an embodiment of the present invention provides a spray bar assembly, comprising at least a nozzle, a first pipe connected to the nozzle, and a second pipe connected to the nozzle. The spray bar assembly is characterized in that it further comprises a waterway switching mechanism disposed between the first pipe and the second pipe, the waterway switching mechanism comprising a switching member and a driving unit, the switching member being provided with a flow hole and a flow guide, the driving unit being connected to the switching member and driving the switching member to move between a first position and a second position. When the switching element is in the first position, the through hole connects the first pipe and the second pipe, so that the liquid in the first pipe flows into the second pipe; When the switching member is in the second position, the flow hole is closed, and the first pipe is connected to the passage of the nozzle through the guide part, and the second pipe is connected to the passage of the nozzle through the guide part, so that the liquid in the first pipe and the second pipe respectively flows to the nozzle.

[0006] In one embodiment, the water channel switching mechanism further includes a diverter, the diverter having a first flow channel connected to the first pipe, a second flow channel connected to the second pipe, and a third and fourth flow channels connected to the nozzle; the first, second, third, and fourth flow channels are independent of each other and are provided with a switching port that cooperates with the switching member; When the switching member is in the first position, the through hole connects the switching port of the first flow channel and the switching port of the second flow channel to connect the first flow channel and the second flow channel; When the switching member is in the second position, the guide portion connects to the switching port of the first flow channel and the switching port of the third flow channel, and connects to the switching port of the second flow channel and the switching port of the fourth flow channel.

[0007] In one embodiment, a telescopic mechanism is further included, wherein the telescopic mechanism includes a mounting portion and a movable portion that can move telescopically relative to each other, the nozzle, the diverter, and the switching portion are all arranged on the movable portion, and the relative movement between the mounting portion and the movable portion drives the driving portion to drive the switching portion to switch between the first position and the second position.

[0008] In one embodiment, the driving part includes a push rod member and a push rod limiting member; one end of the push rod member is connected to the switching member, and the other end cooperates with the mounting part; when the moving part extends to a preset position relative to the mounting part, the push rod member is limited by the push rod limiting member and drives the switching member to switch from the first position to the second position.

[0009] An embodiment of the present invention further provides a waterway system, comprising: a spray bar assembly as described in any of the above embodiments, further comprising a reversing valve assembly connected to the waterway of the spray bar assembly, and a liquid storage assembly for connecting to the waterway of the reversing valve assembly to form a circulation loop; When performing a cleaning operation, the switching member switches from the first position to the second position, so that the liquid passes through the reversing valve assembly, the first pipe and / or the second pipe and the guide portion, and is sprayed out from the nozzle; When performing the descaling operation, the switching member is in the first position, and the liquid storage assembly is connected to the reversing valve assembly to form a circulation loop; the liquid in the liquid storage assembly flows in sequence through the internal flow path of the reversing valve assembly, the first pipe, the flow hole, the second pipe, the internal flow path of the reversing valve assembly and returns to the liquid storage assembly.

[0010] In one embodiment, when performing a cleaning operation, the switching element is first in the first position, so that the residual liquid in the water system flows into the second pipe through the first pipe and the flow hole, and selectively flows back to the liquid storage assembly or is directly discharged through the reversing valve assembly.

[0011] In one embodiment, the reversing valve assembly includes a reflux port connected to the liquid storage assembly, a first cleaning port connected to the first pipe, and a second cleaning port connected to the second pipe; when performing a descaling operation, the liquid in the liquid storage assembly returns to the liquid storage assembly via the first cleaning port, the first pipe, the flow hole, the second pipe, the second cleaning port, and the reflux port in sequence.

[0012] In one embodiment, when performing the self-cleaning operation of the water system, the switching component is in the first position, and the water flow in the liquid storage component returns to the liquid storage component through the first cleaning port, the first pipe, the flow hole, the second pipe, the second cleaning port, and the reflux port in sequence.

[0013] In one embodiment, the liquid storage component is provided with a liquid filling port for introducing descaling liquid or medical liquid into the liquid storage component to perform descaling operations or medical washing operations; when performing medical washing operations, the switching component is in the second position, and the medical liquid in the liquid storage component passes through the reversing valve assembly, the first pipe and / or the second pipe and the guide part, and is sprayed out from the nozzle.

[0014] In one embodiment, a functional component connected by water is further provided between the liquid storage component and the reversing valve component, and the functional component includes one or more of a water pump, a one-way valve, a flow meter, an instant heating component, an anti-siphon component, an electrolyzed water component, and a sterilization component.

[0015] An embodiment of the present invention further provides a waterway system control method, comprising the following steps: receiving an operation instruction, wherein the operation instruction includes a cleaning operation instruction or a descaling operation instruction; If it is a cleaning operation instruction, the switching element of the water channel switching mechanism is controlled to switch from the first position to the second position, so that the liquid passes through the reversing valve assembly and the first pipe and / or the second pipe and is sprayed out from the nozzle; If it is a descaling operation instruction, the switching component is controlled to remain in the first position, and the liquid storage assembly is connected to the reversing valve assembly to form a circulation loop. The liquid in the liquid storage assembly passes through the first cleaning port of the reversing valve assembly, the first pipeline, the water channel switching mechanism, the second pipeline, the second cleaning port of the reversing valve assembly and returns to the liquid storage assembly.

[0016] In one embodiment, if it is a cleaning operation instruction, the switching element is first in the first position, so that the residual liquid in the water system flows into the second pipe through the first pipe and the flow hole, and selectively flows back to the liquid storage assembly or is directly discharged through the reversing valve assembly, and then the switching element is switched from the first position to the second position.

[0017] An embodiment of the present invention further provides an intelligent toilet, which adopts the spray rod assembly described in any of the above embodiments, or adopts the water system described in any of the above embodiments, or adopts the water system control method described in any of the above embodiments.

[0018] Based on the above, the spray bar assembly, water system, control method, and smart toilet provided by the embodiments of the present invention have at least the following technical effects compared to the prior art: 1. The first pipeline and the second pipeline are connected or disconnected through the water channel switching mechanism, which facilitates the appropriate expansion of the function of the spray boom assembly, with ingenious design and simple structure.

[0019] 2. Through the design of the water channel switching mechanism and the circulating water channel, the same water channel system and the same spray bar assembly can be compatible with multiple functions such as water channel system self-cleaning, descaling, conventional cleaning, and chemical washing. There is no need to set up an additional independent descaling pipeline, which simplifies the system structure and reduces component volume and manufacturing costs.

[0020] 3. The switching element of the water channel switching mechanism is used to form a closed circulation loop between the first and second pipes through the flow hole, so that the descaling liquid can circulate in the entire pipeline of the liquid storage assembly, the reversing valve assembly and the spray rod assembly, ensuring that all components in the pipeline can be fully cleaned, effectively removing residual dirt or impurities, avoiding the cleaning dead corner problem caused by traditional local cleaning and descaling, and is particularly suitable for self-cleaning or descaling operations of components, improving the thoroughness of descaling.

[0021] 4. Utilizing the state conversion characteristics of the water channel switching mechanism, at the initial stage of the cleaning operation (when the telescopic mechanism is not fully extended), the switching member is in the first position. At this time, the cold water remaining in the pipeline can flow back to the liquid storage component through the circulation loop or be directly discharged, preventing cold water from being sprayed directly from the nozzle and contacting the human body, thus solving the discomfort caused by direct cold water cleaning when the traditional water channel system is started. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work. The positional relationships shown in the drawings in the following description are based on the orientation of the components in the drawings unless otherwise specified.

[0023] Figure 1 A schematic structural diagram of a spray bar assembly when a switching member provided by an embodiment of the present invention is in a first position; Figure 2 for Figure 1 A partial enlarged view of the moving part of the middle spray boom assembly; Figure 3 A schematic structural diagram of the spray bar assembly when the switching member provided by an embodiment of the present invention is in the second position; Figure 4 for Figure 3 A partial enlarged view of the moving part of the middle spray boom assembly; Figure 5 It is a structural diagram of the switching component; Figure 6 A schematic diagram of the water flow direction of a water system provided by an embodiment of the present invention when the switching element is in the first position; Figure 7 A schematic diagram of the water flow direction of a water system provided by one embodiment of the present invention when the switching element is in the second position; Figure 8 、 Figure 9 Schematic diagram of water flow direction of different modified examples of the water system when performing cleaning operations, pre-draining cold water or descaling operations; Figure 10 A schematic diagram of the water flow direction of the water system when performing cleaning operations or liquid medicine operations; Figure 11 This is a schematic diagram of the water flow direction of the water system when performing the water system self-cleaning operation.

[0024] Reference numerals: 10. Liquid storage assembly; 11. Liquid filling port; 30. Reversing valve assembly; 31. Return port; 32. First cleaning port; 33. Second cleaning port; 34. Self-cleaning port; 40. Spray rod assembly; 41. First pipe; 42. Second pipe; 43. Telescopic mechanism; 431. Mounting portion; 432. Moving portion; 44. Nozzle; 45. Bracket; 46. Driving member; 50. Waterway switching mechanism; 51. Diverter; 511. First flow channel; 512. Second flow channel; 513. Third flow channel; 514. Fourth flow channel; 51 5. First switching port; 516. Second switching port; 517. Third switching port; 518. Fourth switching port; 519. Accommodating groove; 52. Switching part; 521. Flow hole; 522. Guide part; 522a. First strip blind hole; 522b. Second strip blind hole; 53. Driving part; 53a. Push rod part; 53b. Push rod limiter; 54. Sealing ring; 21. Water pump; 22. One-way valve; 23. Flow meter; 24. Instant heating component; 25. Anti-siphon component; 26. Electrolyzed water component; 27. Sterilization component. DETAILED DESCRIPTION

[0025] To make the objectives, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0026] Example 1 See also Figures 1 to 5 An embodiment of the present invention provides a spray rod assembly, which can be used in scenarios such as smart toilets and medical cleaning equipment that require precise control of liquid flow direction. The core of the spray rod assembly is to achieve flexible conversion of liquid between the circulation path and the cleaning path by moving the switching member of the water path switching mechanism between the first position and the second position.

[0027] Specifically, the spray rod assembly includes at least a nozzle 44, a first pipe 41 connected to the nozzle 44, a second pipe 42 connected to the nozzle 44, and a water channel switching mechanism 50 arranged between the first pipe 41 and the second pipe 42; the water channel switching mechanism 50 includes a switching member 52 and a driving part 53, the switching member 52 is provided with a flow hole 521 and a guide part 522, the driving part 53 is connected to the switching member 52 and drives the switching member 52 to move between the first position and the second position.

[0028] When the switching member 52 is in the first position, the flow hole 521 connects the first pipe 41 and the second pipe 42, so that the liquid in the first pipe 41 flows to the second pipe 42; when the switching member 52 is in the second position, the flow hole 521 is closed, and the first pipe 41 is connected to the passage of the nozzle 44 through the guide portion 522, and the second pipe 42 is connected to the passage of the nozzle 44 through the guide portion 522, so that the liquid in the first pipe 41 and the second pipe 42 respectively flow to the nozzle 44.

[0029] During specific implementation, the spray bar assembly 40 is the core part that directly performs the cleaning operation and cooperates to realize the water channel switching. The nozzle 44 serves as the terminal execution component for liquid spraying. The head of the nozzle 44 can be designed with water spray holes of different shapes and numbers. For example: for the hip washing function, fan-shaped water spray holes can be set to form a large-area, soft water flow; for the women's washing function, columnar or thin fan-shaped water spray holes can be set to achieve precise and concentrated cleaning. The design of the water spray hole can also take into account the pressure and speed of the water flow, and improve the cleaning effect and user comfort by optimizing the aperture and angle. In addition, the nozzle 44 can be designed as a detachable structure to facilitate users to clean it regularly and prevent dirt accumulation. Two liquid inlets are provided at the tail of the nozzle 44, corresponding to the connecting ends of the first pipe 41 and the second pipe 42 respectively.

[0030] The first pipe 41 and the second pipe 42 serve as channels for liquid transport. The diameters of the two pipes can be designed based on the flow requirements of the corresponding cleaning functions. For example, the first pipe 41 (corresponding to the posterior wash pipe) can be slightly thicker to provide a larger flow rate, while the second pipe 42 (corresponding to the feminine wash pipe) can be slightly thinner to achieve more precise cleaning. That is, in this embodiment, the first pipe 41 and the second pipe 42 are preferably respectively configured as a posterior wash pipe or a feminine wash pipe. Alternatively, the water outlet at the nozzle 44 connected to the first pipe 41 can be designed as a posterior wash nozzle, while the water outlet at the nozzle 44 connected to the second pipe 42 can be designed as a feminine wash nozzle, thereby achieving the different functions of the two channels.

[0031] The core function of the waterway switching mechanism 50 is to selectively connect or disconnect the passage between the first and second pipes 41, 42 by switching the position of a switching member 52. This mechanism can be implemented using a mechanical linkage or electromagnetic drive structure to simplify control and improve reliability. In this embodiment, the waterway switching mechanism 50 is designed into the spray boom assembly 40 to connect or disconnect the first and second pipes 41, 42.

[0032] The switching member 52 is axially provided with a flow hole 521 and a flow guide 522. The flow hole 521 is a straight hole with two through holes, adapted to the interface dimensions of the first and second pipes 41 and 42. In this embodiment, the flow guide 522 preferably comprises a first linear blind hole 522a and a second linear blind hole 522b, the length of which covers the distance between adjacent switching ports, ensuring reliable connection. The drive unit 53 is used to drive the movement of the switching member 52, and the specific position switching can be achieved through mechanical linkage according to actual needs.

[0033] Through the above arrangement, on the one hand, it is possible to effectively realize the circulation or diversion of liquid between the two pipes, and avoid the waste or discomfort caused by the liquid being sprayed directly from the nozzle 44. It is particularly suitable for the circulating descaling system, which is conducive to the thorough descaling and cleaning of the spray rod assembly 40. On the other hand, it can also ensure that the liquid in the two pipes can flow independently to the nozzle 44. This independent passage design can ensure that liquids with different functions (such as water flow for hip washing, water flow for women's washing or liquid medicine) are accurately sprayed to avoid mutual mixing and affecting the effect. At the same time, the water outlet of a single pipe or a double pipe can be controlled according to demand, adapting to a variety of cleaning scenarios and improving the targeted use.

[0034] Furthermore, this embodiment also provides a specific structural design for the waterway switching mechanism 50, which achieves precise waterway switching through the cooperation of the diverter 51 and the switching member 52. The waterway switching mechanism 50 also includes the diverter 51, which is relatively slidable with the switching member 52, and the position change of the switching member 52 realizes the connection or disconnection of different channels.

[0035] In specific implementation, the diverter 51 is provided with a first flow channel 511 connected to the first pipe 41, a second flow channel 512 connected to the second pipe 42, a third flow channel 513 and a fourth flow channel 514 connected to the nozzle 44; each flow channel is independent of each other, and each is provided with a switching port that cooperates with the switching member 52; when the switching member 52 is in the first position, the flow hole 521 connects the first switching port 515 and the second switching port 516, connecting the first flow channel 511 and the second flow channel 512; when the switching member 52 is in the second position, the first strip blind hole 522a of the guide part 522 connects the first switching port 515 and the third switching port 517, and the second strip blind hole 522b connects the second switching port 516 and the fourth switching port 518, thereby realizing an independent passage between the first pipe 41 and the nozzle 44 and an independent passage between the second pipe 42 and the nozzle 44.

[0036] For specific implementation, please refer to Figures 1 to 4 The diverter 51 serves as a fixed channel carrier for liquid circulation, and has four independent channels integrated therein: a first flow channel 511, a second flow channel 512, a third flow channel 513, and a fourth flow channel 514. The first flow channel 511 is connected to the first pipe 41 and is used to receive liquid from the first cleaning port 32 of the reversing valve assembly 30; the second flow channel 512 is connected to the second pipe 42 and is used to receive liquid from the second cleaning port 33 of the reversing valve assembly 30 or to transport reflux liquid thereto; the output ends of the third flow channel 513 and the fourth flow channel 514 are both connected to different water spray chambers inside the nozzle 44, corresponding to different cleaning areas (e.g., the third flow channel 513 corresponds to the buttocks washing spray area, and the fourth flow channel 514 corresponds to the women's wash spray area).

[0037] Furthermore, on the side of the flow diverter 51 facing the switching element 52, four channels are provided with switching ports for liquid inlet and outlet: the first flow channel 511 has a first switching port 515, the second flow channel 512 has a second switching port 516, the third flow channel 513 has a third switching port 517, and the fourth flow channel 514 has a fourth switching port 518. These four switching ports are arranged sequentially along the sliding direction of the switching element 52, and seals can be provided at the ports to enhance sealing performance.

[0038] See also Figure 4 In this embodiment, a receiving groove 519 is preferably provided in the middle of the diverter 51, and the first switching port 515, the second switching port 516, the third switching port 517, and the fourth switching port 518 are connected to the channels corresponding to the receiving groove 519. The switching member 52 is provided in the receiving groove 519 and is sealed with the receiving groove 519 by several sealing rings 54.

[0039] When the switching member 52 is in the first position, refer to Figure 1 、 Figure 2 , the switching member 52 switches to the through-hole 521 and simultaneously docks with the first switching port 515 and the second switching port 516 of the diverter member 51, so that the first flow channel 511 and the second flow channel 512 are connected through the through-hole 521, while the third switching port 517 and the fourth switching port 518 are in a closed state (not connected with the channels on the switching member 52); in this state, the liquid can flow from the first flow channel 511 into the second flow channel 512 through the through-hole 521, or from the second flow channel 512 into the first flow channel 511 through the through-hole 521, providing a path for the circulation loop in the subsequent descaling operation, self-cleaning operation, and pre-drain cold water function.

[0040] When the switching member 52 is in the first position, refer to Figure 3 、 Figure 4, the switching member 52 switches to the first strip-shaped blind hole 522a, which connects to the first switching port 515 and the third switching port 517, respectively, to achieve communication between the first flow channel 511 and the third flow channel 513. At the same time, the second strip-shaped blind hole 522b connects to the second switching port 516 and the fourth switching port 518, respectively, to achieve communication between the second flow channel 512 and the fourth flow channel 514. At this time, the first strip-shaped blind hole 522a on the switching member 52 simultaneously connects to the first switching port 515 and the third switching port 517, and the second strip-shaped blind hole 522b simultaneously connects to the second switching port 516 and the fourth switching port 518. In this state, the first flow channel 511 and the third flow channel 513 are connected through the first strip-shaped blind hole 522a, and the second flow channel 512 and the fourth flow channel 514 are connected through the second strip-shaped blind hole 522b. The first flow channel 511 and the second flow channel 512 are disconnected due to the lack of a channel connection. This design allows liquids to be transported independently: for example, when performing a buttock washing operation, the liquid enters the first flow channel 511 from the first pipe 41, flows into the third flow channel 513 through the first strip blind hole 522a, and is finally sprayed out from the buttock washing spray area of ​​the nozzle 44; when performing a feminine washing operation, the liquid enters the second flow channel 512 from the second pipe 42, flows into the fourth flow channel 514 through the second strip blind hole 522b, and is sprayed out from the feminine washing spray area of ​​the nozzle 44; when performing a medicinal washing operation, the medicinal liquid can also be sprayed out independently through the corresponding channel to avoid mixing with the liquids in other channels, thereby ensuring the concentration of the medicinal liquid and the use effect.

[0041] Through the above-mentioned coordination of the diverter 51 and the switching member 52, reliable switching of multiple channels can be effectively achieved, the passage is well sealed, and cross-flow contamination between different liquids is avoided. The design of the strip blind hole increases the docking tolerance. Even if there is a slight displacement deviation of the switching member 52, the effective connection of the channel can still be guaranteed, thereby improving the reliability of the structure. The four channels are integrated into the diverter 51 and are compactly arranged with the holes on the switching member 52, which is conducive to reducing the overall volume of the spray rod assembly 40 and adapting to the small space inside the smart toilet. At the same time, the overall structure adopts a mechanical linkage method, which does not require complex electronic control components, reduces costs and extends service life.

[0042] Optionally, the spray boom assembly 40 also includes a telescopic mechanism 43, configured to extend or retract the first and second pipes 41, 42 along a predetermined path. In practice, the telescopic mechanism 43 can be driven by a DC motor in conjunction with a gear reduction mechanism, a screw-slider mechanism, or a synchronous belt drive mechanism. By converting the motor's rotational motion into linear motion, the mechanism drives the load (pipe, nozzle 44, etc.) along a predetermined path. To ensure smooth and precise telescopic movement, a guide structure, such as a slide rail or guide rod, can be provided to limit the direction of movement of the load. The telescopic mechanism 43 should also be equipped with a limit and positioning device, such as a mechanical stop at the end of its travel, or a Hall effect sensor or encoder to detect the telescopic position. This ensures that the nozzle 44 remains accurately positioned for the desired operation and reliably retracts to its initial position upon completion, preventing the nozzle 44 from being exposed to contamination or damage from collisions. This design not only improves the targetedness and safety of the operation but also extends the service life of the nozzle 44. In this embodiment, the preferred drive element 46 is an electrode-coupled rack-and-pinion structure, which drives the slider's telescopic motion on the rail. The slider integrates the first conduit 41, the second conduit 42, the nozzle 44, the waterway switching mechanism 50, and other components. The rail is arranged along a predetermined path on a bracket 45. Limiting ribs connected to the bracket 45 are also provided at the end of the rail's travel to effectively limit the slider's position.

[0043] Furthermore, the spray boom assembly 40 also includes a bracket 45 and a drive member 46. The telescopic mechanism 43 is disposed on the bracket 45. The drive member 46 is used to drive the telescopic mechanism 43 to achieve telescopic movement. The first pipe 41, the second pipe 42, and the nozzle 44 are disposed on the telescopic mechanism 43. The waterway switching mechanism 50 is disposed between the first pipe 41, the second pipe 42, and the nozzle 44. Preferably, the first pipe 41 and the second pipe 42 can be hoses, which are flexible enough to accommodate the movement of the telescopic mechanism 43.

[0044] On this basis, the switching member 52 of the waterway switching mechanism 50 is a slidable switching component (e.g., a slider) provided with a through hole or channel for connecting the two pipes. The switching member is connected to the movable portion 432 of the telescopic mechanism 43 and is constrained by a retaining structure (e.g., a boss or baffle) fixed to the device body. When the telescopic mechanism 43 is in its initial position (not extended or slightly extended), the switching member, under the action of a return spring, is in its initial position, with its through hole simultaneously engaging the interfaces of the first pipe 41 and the second pipe 42, connecting the two pipes. When the telescopic mechanism 43 drives the movable portion 432 to extend to a predetermined position, the switching member contacts the retaining structure. Because the retaining structure is stationary, the switching member stops moving relative to the movable portion 432, while the movable portion 432 continues to drive the interfaces of the two pipes forward, causing the through hole of the switching member to separate from the two interfaces, thereby disconnecting the two pipes. When the telescopic mechanism 43 retracts, the switching member, under the action of the return spring, returns to its original position along with the movable portion 432, and the through hole re-engages the two interfaces, restoring the connection. This mechanical linkage method does not require additional electronic control commands and can automatically switch the waterway on and off simply through the movement of the telescopic mechanism 43. It has a simple structure, low cost and high reliability. Of course, the waterway switching mechanism 50 can also be implemented using electromagnetic drive or other methods, but the mechanical linkage method has greater advantages in stability and economy.

[0045] Preferably, the telescopic mechanism 43 comprises a mounting portion 431 and a movable portion 432 that can move relative to each other. These two portions slide together through a guide rail and slider structure, and the cooperation of guide posts and guide holes, ensuring smooth movement. The nozzle 44, diverter 51, and switching element 52 are all mounted on the movable portion 432. These three components can be connected as a single unit via corresponding fasteners or snap-fit ​​structures, moving synchronously with the movable portion 432.

[0046] To achieve relative displacement between the switching member 52 and the diverter member 51, this embodiment utilizes the relative motion of the mounting portion 431 and the movable portion 432 to drive the drive portion 53 to switch the switching member 52 between the first and second positions. In other words, this embodiment utilizes the inherent telescopic motion of the mounting portion 431 and the movable portion 432 to enable the drive portion 53 to passively drive the switching member 52 to switch between the first and second positions. This ingenious design eliminates the need for a separate power source or control system to drive the switching member 52 between the first and second positions.

[0047] Specifically, the driving portion 53 includes a push rod 53a and a push rod limiting member 53b; one end of the push rod 53a is connected to the switching member 52, and the other end cooperates with the mounting portion 431; when the moving portion 432 extends to a preset position relative to the mounting portion 431, the push rod 53a is limited by the push rod limiting member 53b and drives the switching member 52 to switch from the first position to the second position. The push rod 53a is movably assembled to the moving portion 432 along a preset path; specifically, the push rod 53a can be designed as a rod-shaped or plate-shaped structure, one end of which is fixed to the switching member 52 by a pin, a snap or a threaded connection, and the other end extends to a position close to the mounting portion 431; the push rod 53a can be slidably assembled in a guide hole or a slide groove provided on the moving portion 432, so that it can only move along the telescopic direction (preset path) of the moving portion 432. Please refer to Figure 3 The push rod limiter 53b is a protrusion, baffle or pin fixed on the mounting portion 431, and its position setting must satisfy the following requirements: when the moving portion 432 extends to a specific stroke (preset position), the end of the push rod 53a just contacts the push rod limiter 53b.

[0048] When the telescopic mechanism 43 is in the initial position, as shown in FIG. Figure 1 As shown, the movable portion 432 is completely or mostly retracted into the mounting portion 431. At this time, the push rod member 53a is not in contact with the push rod limit member 53b. The push rod member 53a drives the switching member 52 to a position close to the initial end of the diverter member 51. The flow hole 521 of the switching member 52 accurately connects the first switching port 515 and the second switching port 516 of the diverter member 51, and the water channel switching mechanism 50 is in a connected state.

[0049] When the system starts the corresponding operation to drive the telescopic mechanism 43 to extend, the moving part 432 extends from the initial position of the telescopic mechanism 43 to the preset position along the preset path. Since the push rod 53a has not yet contacted the push rod limiter 53b, the push rod 53a, the switching member 52 and the moving part 432 remain relatively stationary, and the three extend outward along the preset path synchronously with the moving part 432. That is, the push rod 53a, the switching member 52 and the diverter 51 move synchronously along the preset path with the moving part 432, and there is no relative displacement between the switching member 52 and the diverter 51, and the switching member is kept in the first position. Therefore, if Figure 1 、 Figure 2 As shown, the first position means that the through hole 521 of the switching member 52 maintains the communication between the first switching port 515 and the second switching port 516 , and the water channel switching mechanism 50 is continuously in a connected state.

[0050] like Figure 3As shown, in the process of the moving part 432 continuing to extend from the preset position to the end position along the preset path, the end of the push rod member 53a comes into contact with the fixed push rod limiter 53b. Therefore, the push rod member 53a is limited by the push rod limiter 53b and stops moving, and drives the switching member 52 to stop synchronously. At the same time, the diverter member 51 continues to move to the end position along with the moving part 432, and the diverter member 51 as a part of the end of the moving part 432 continues to move forward, so that a relative displacement along the telescopic direction is generated between the switching member 52 and the diverter member 51. That is, the switching member 52 and the diverter member 51 generate relative displacement. During the relative displacement process, the through-hole 521 on the switching member 52 gradually separates from the docking position with the first and second switching ports 516, and the first strip blind hole 522a and the second strip blind hole 522b gradually form a new docking with the switching port on the diverter member 51 as the switching member 52 is in a stationary state, and finally switch to the second position. As shown Figure 4 As shown, when the moving part 432 reaches the end position or is close to the end position, the second position means: the first strip blind hole 522a just covers and connects the first switching port 515 and the third switching port 517 at the same time, so that the first strip blind hole 522a of the switching member 52 is connected to the first switching port 515 and the third switching port 517 respectively; the second strip blind hole 522b covers and connects the second switching port 516 and the fourth switching port 518 at the same time, so that the second strip blind hole 522b is connected to the second switching port 516 and the fourth switching port 518 respectively. At this time, the water channel switching mechanism 50 is completely switched to the disconnected state.

[0051] Through the above-mentioned mechanical linkage of the push rod member 53a and the push rod limit member 53b, the linear motion of the movable part 432 is converted into the relative displacement of the switching member 52 and the diverter member 51, thereby realizing the automatic switching of the water channel state without the need for additional electronically controlled drive components, reducing the system complexity and failure risk; the switching process relies on the precise coordination of the mechanical structure, ensuring the accuracy of the docking of the flow hole 521, the strip blind hole and each switching port, and improving the reliability of the water channel switching; at the same time, the entire switching action is completed synchronously with the extension process of the movable part 432, without the need for a separate switching time, optimizing the operation response speed, and further improving the user experience.

[0052] When the operation is completed and the moving part 432 retracts from the end position, the abutment between the push rod part 53a and the push rod limit part 53b is released, and the switching part 52 retracts synchronously with the push rod part 53a and the moving part 432 under the action of the reset spring, gradually restoring the initial relative position with the diverter part 51, and the flow hole 521 docks with the first and second switching ports 516 again, and the water channel switching mechanism 50 is reset to the connected state, ready for the next operation.

[0053] Example 2 Based on the above embodiment 1, please refer to Figures 6 to 11 An embodiment of the present invention further provides a water system, which includes at least a spray bar assembly 40, a reversing valve assembly 30 connected to the spray bar assembly 40 by water, and a liquid storage assembly 10 used to connect to the reversing valve assembly 30 by water to form a circulation loop; the structure, function, and role of the spray bar assembly 40 can be referred to the above-mentioned embodiment 1, and will not be repeated here.

[0054] During cleaning, the switching element 52 switches from the first position to the second position, allowing liquid to flow through the reversing valve assembly 30, the first conduit 41, and / or the second conduit 42, and the guide portion 522, and then be ejected from the nozzle 44, achieving normal buttocks cleaning. During descaling, the switching element 52 is in the first position, and the liquid storage assembly 10 is connected to the reversing valve assembly 30 to form a circulation loop. The liquid in the liquid storage assembly 10 flows sequentially through the internal flow path of the reversing valve assembly, the first conduit, the flow hole, the second conduit, and the internal flow path of the reversing valve assembly, returning to the liquid storage assembly, achieving full water circulation.

[0055] Furthermore, to prevent cold water remaining in the water system from directly participating in the cleaning process when the cleaning operation is initiated, thereby directly affecting user comfort, in this embodiment, the switching element 52 is preferably in the first position during the cleaning operation, allowing the residual liquid in the water system to flow into the second pipe 42 through the first pipe 41 and the flow hole 521, and then selectively flow back to the liquid storage assembly 10 or be directly discharged through the reversing valve assembly 30. It is then switched to the second position to perform normal cleaning operations.

[0056] Preferably, if Figure 8 As shown, the reversing valve assembly 30 includes a return port 31 connected to the liquid storage assembly 10, a first cleaning port 32 connected to the first pipe 41, and a second cleaning port 33 connected to the second pipe 42. During descaling, the liquid in the liquid storage assembly 30 returns to the liquid storage assembly 40 via the first cleaning port 32, the first pipe 41, the flow hole 421, the second pipe 42, the second cleaning port 33, and the return port 31.

[0057] Furthermore, when the boom assembly 40 includes a telescopic mechanism 43, the waterway switching mechanism 50 first maintains the switching member 52 in the first position during the extension of the telescopic mechanism 43, and then switches the switching member 52 to the second position to implement the cold water pre-drain function. Furthermore, the extension characteristics of the telescopic mechanism 43 can also be utilized in conjunction with the waterway switching mechanism 50 to achieve the function of first maintaining the connected state and then switching to the disconnected state. For details, please refer to the aforementioned embodiment 1 and will not be repeated here.

[0058] The liquid storage assembly 10 serves as the system's liquid supply source, and its core function is to contain and supply the system with the required liquids, including but not limited to clean water, descaling liquid, and medical liquid. In specific implementations, the liquid storage assembly 10 can adopt various structural forms: for example, it can include an independent chamber. In this case, the liquid storage assembly 10 is provided with a liquid filling port 11, and different liquids can be added to the chamber through the liquid filling port 11 to meet the needs of cleaning, descaling, or medical washing respectively. For another example, the liquid storage assembly 10 can also include multiple independent chambers, such as a separate water tank, a descaling liquid tank, and a medical liquid tank. Each chamber is connected to the system main circuit through corresponding pipelines and can be switched by valve control to achieve on-demand supply of different liquids. This design can avoid functional failure caused by mixing different liquids and improve operational targeting. For another example, the liquid storage assembly 10 can also adopt an integrated box, with partitions separating chambers with different functions (such as a water chamber, a descaling liquid chamber, and a medical liquid chamber). Connecting valves can be provided between the chambers to enable mixing of liquids when necessary (such as mixing descaling liquid and water in proportion). The specific settings are reasonable according to actual needs and are not limited in this embodiment.

[0059] In addition, the liquid storage component 10 can also be equipped with corresponding sensors according to actual needs. For example, the liquid storage component 10 can be equipped with a liquid level sensor, a temperature sensor, a concentration sensor, etc., to facilitate coordinated operation with the entire water system. For example, the liquid storage component 10 can optionally be equipped with a liquid level detection device, such as a float switch or a photoelectric sensor, to monitor the remaining liquid in real time. When the liquid level falls below a preset threshold, the user can be prompted to replenish the liquid through an indicator light or a sound on the device panel, avoiding operation interruptions due to lack of liquid. A temperature sensor can be installed to monitor the storage liquid temperature and provide a reference for whether the system should start heating (such as when used with the instant heating component 24). For the descaling liquid or liquid medicine cavity, a concentration sensor can also be installed to ensure that the liquid concentration meets the operation requirements and guarantees the descaling or cleaning effect. The configuration of these sensors can enhance the intelligence level and operational reliability of the system.

[0060] The core function of the reversing valve assembly 30 is to control the flow of liquid between different pathways according to different operational requirements (cleaning, descaling, etc.). In specific implementations, the reversing valve assembly 30 can employ a solenoid-operated reversing valve structure, where a solenoid-driven valve core is actuated to change the liquid flow path. The reversing valve assembly 30 integrates multiple interfaces to meet different functional requirements. In this embodiment, the reversing valve assembly 30 includes at least a return port 31 connected to the liquid reservoir assembly 10, a first cleaning port 32 and a second cleaning port 33 connected to the first and second pipes 41, 42 of the spray bar assembly 40, respectively, and a water inlet connected to the liquid outlet of the liquid reservoir assembly 10. The return port 31 is used to direct circulating liquid (such as pre-drained cold water or descaling liquid) back to the liquid reservoir assembly 10, while the first and second cleaning ports 32, 33 are used to deliver liquid to the corresponding cleaning pipes. The water inlet serves as the entrance for liquid into the reversing valve assembly 30. In addition, according to the requirements of functional expansion, other interfaces can be integrated on the reversing valve assembly 30, such as a foam port connected to a foam generating device for mixing foam during cleaning to improve the cleaning effect or reduce splashing; or a self-cleaning port 34 connected to a self-cleaning pipeline for cleaning specific components after the operation is completed. In addition, the self-cleaning port 34 can also be connected to a water outlet pipeline to discharge the used liquid in the liquid storage assembly 10, such as Figure 11 By controlling the on / off state of the electromagnetic coil, the valve core can be switched to different positions, enabling switching between different interfaces. For example, it can connect the circulation loop during descaling operations and connect a specific cleaning port during cleaning operations. This design can quickly respond to function switching needs and provide a structural foundation for the system to achieve diverse functions.

[0061] When performing a cleaning operation (hip wash or feminine wash), the user triggers the corresponding command and the system starts: the telescopic mechanism 43 starts to drive the nozzle 44, the first pipe 41 and the second pipe 42 to extend. In the initial stage of extension, the switching member 52 is in the first position, see Figure 8 、 Figure 9 At this time, the cold water (or water that does not meet the set temperature) remaining in the pipeline can flow back to the liquid storage assembly 10 through the connecting path of the two pipelines through the reversing valve assembly 30 or be discharged directly, realizing the pre-drainage of cold water function. This process utilizes the linkage of the water channel switching mechanism 50 and the telescopic mechanism 43 to automatically discharge the low-temperature liquid in the pipeline before cleaning begins, avoiding direct contact of cold water with the user, significantly improving the comfort of use, and is especially more friendly to temperature-sensitive users. When the telescopic mechanism 43 is extended to the preset position, the switching member 52 switches to the second position, and the two pipelines are independent of each other; then, the telescopic mechanism 43 drives the nozzle 44 to adjust to the appropriate cleaning position, and the reversing valve assembly 30 switches to the corresponding path (connecting the water inlet with the first cleaning port 32 or the second cleaning port 33) according to the selected function. Please refer to Figure 10The liquid in the liquid storage component 10 (after treatment, such as clean water heated to a suitable temperature) is sprayed out from the nozzle 44 through the corresponding cleaning pipe to achieve precise cleaning.

[0062] It should be noted that during the cleaning process, Figure 8 As shown, during cold water pre-drain, residual liquid in the water system flows back through the circulation loop into the liquid reservoir assembly 10 or is directly discharged. During normal cleaning, clean water in the liquid reservoir assembly 10 passes through the reversing valve assembly 30 and the spray bar assembly 40 and is sprayed out of the nozzle 44. This solution is effectively applicable to existing EN1717 smart toilets with built-in liquid reservoir 10 (i.e., both cold water pre-drain and normal cleaning require the liquid reservoir 10). However, in existing non-EN1717 smart toilets without a built-in liquid reservoir 10, during cold water pre-drain, residual liquid in the water system can be directly discharged (without connecting to the liquid reservoir 10) or returned to the liquid reservoir 10 (with connecting to the liquid reservoir 10) through the first and second pipes 41, 42 of the spray bar assembly 40 and the reversing valve assembly 30. During normal cleaning, clean water from the external pipeline passes through the reversing valve assembly 30 and the spray bar assembly 40 and is sprayed directly from the nozzle 44 (this process does not require the liquid reservoir 10). Therefore, during the cleaning operation, whether the liquid storage component 10 participates in the water channel can be reasonably adjusted according to actual needs, and all fall within the protection scope of the present invention.

[0063] During the descaling operation, after the user adds descaling liquid to the liquid storage assembly 10 and activates the function, the telescopic mechanism 43 remains in the initial position or the position with a small extension, so that the switching member 52 is always in the first position; the reversing valve assembly 30 switches to the circulation path, that is, the water inlet is connected to the first cleaning port 32, and the second cleaning port 33 is connected to the return port 31. At this time, please refer to Figure 8 、 Figure 9 Under the influence of a power source (such as a water pump 21, if configured in the system), the descaling liquid within the liquid reservoir assembly 10 flows sequentially through the water inlet of the reversing valve assembly 30, the first cleaning port 32, the first pipe 41, the circulation hole 521, the second pipe 42, the second cleaning port 33 of the reversing valve assembly 30, and the return port 31, returning to the liquid reservoir assembly 10, forming a closed circulation loop. During this circulation process, the descaling liquid flows through all waterway components, including the liquid reservoir assembly 10, the reversing valve assembly 30, the first pipe 41, the second pipe 42, and the waterway switching mechanism 50, achieving full waterway descaling. This avoids the blind spots caused by traditional localized cleaning methods, significantly improves the thoroughness of descaling, and thus extends the service life of the entire waterway system and the intelligent toilet.

[0064] In summary, this embodiment, through the diverse design and coordinated coordination of the liquid storage assembly 10, reversing valve assembly 30, and spray bar assembly 40 (including the telescopic mechanism 43, water channel switching mechanism 50, and nozzle 44), not only achieves normal posterior and feminine wash functions, but also, through the linkage of the water channel switching mechanism 50 and the telescopic mechanism 43, cleverly implements cold water pre-drainage and full water channel descaling functions. Its technical benefits include: improved user comfort and safety; enhanced comprehensive descaling and extended device life; simplified system control, reduced costs, and improved reliability. Furthermore, the flexible design of each component also enables functional expansion (such as medicated and foam washes), resulting in strong practicality and promotional value.

[0065] In an optional embodiment, the water system is also used to perform a self-cleaning operation of the water system, wherein, when performing the self-cleaning operation, the switching member 52 is in the first position, and the water flow in the liquid storage component 10 returns to the liquid storage component 10 in sequence through the first cleaning port 32, the first pipe 41, the flow hole 521, the second pipe 42, the second cleaning port 33, and the reflux port 31.

[0066] The water system self-cleans the pipes to remove impurities, dirt, or residual liquids from previous operations (such as descaling liquid or liquid medicine) to ensure cleanliness. Specifically, the self-cleaning operation can be triggered manually by the user, or automatically by the system after each descaling or liquid medicine cleaning operation. During the self-cleaning operation, the liquid storage assembly 10 contains clean water. At this time, the switching member 52 remains in the first position, and the telescopic mechanism 43 can be in the initial position (not extended) or the appropriate extended position (to ensure that the pipe is unobstructed). Figure 8 、 Figure 9 The operating process is as follows: Under the influence of a power source (such as a water pump 21), clean water within the liquid storage assembly 10 enters the reversing valve assembly 30 through the system's main circuit. Subsequently, the reversing valve assembly 30 switches, causing the clean water to flow sequentially through the first cleaning port 32 into the first pipe 41. After flowing through the first pipe 41, the water flows through the flow hole 521 into the second pipe 42. The water then returns to the liquid storage assembly 10 through the second cleaning port 33 and the return port 31, forming a closed circulation path. After circulating for a certain period of time, the liquid can be directly discharged through the self-cleaning port 34 of the reversing valve assembly 30. During this process, the flowing clean water flushes the first pipe 41, the second pipe 42, the internal channels of the water channel switching mechanism 50, and the corresponding channels within the reversing valve assembly 30, removing any residual impurities or liquid, thereby achieving self-cleaning of the pipelines. This self-cleaning method utilizes the existing water channel structure to form a circulation, eliminating the need for additional cleaning pipelines. This simplifies the structure while ensuring internal cleanliness of the pipelines, ensuring hygienic operation for subsequent operations.

[0067] In another optional embodiment, the water system is also used to perform a chemical cleaning operation. During the chemical cleaning operation, the switching member 52 is in the second position, and the chemical liquid in the liquid storage assembly 10 passes through the reversing valve assembly 30, the first pipe 41 and / or the second pipe 42, and the guide portion 522, and is sprayed out from the nozzle 44.

[0068] The medicated washing operation is performed to meet the user's specific care needs (such as using a medicated liquid with sterilizing, anti-inflammatory, and soothing effects for cleaning). The start of the medicated washing operation requires the user to add the corresponding medicated liquid to the liquid storage component 10 and select the corresponding medicated washing function. When performing the medicated washing operation, the switching member 52 is in the second position, see Figure 10 The working process is similar to the normal cleaning operation: the telescopic mechanism 43 drives the first pipe 41, the second pipe 42 and the nozzle 44 to extend. During the extension process, the switching member 52 switches from the first position to the second position; then, the reversing valve assembly 30 switches to the corresponding passage according to the user's selection (such as medicated washing for the buttocks washing area or the feminine washing area), so that the medicinal liquid in the liquid storage assembly 10 enters through the water inlet of the reversing valve assembly 30, and is respectively introduced into the first pipe 41 or the second pipe 42 through the first cleaning port 32 or the second cleaning port 33, and finally sprayed out from the nozzle 44 to act on the target area.

[0069] During the chemical washing operation, the switching member 52 is in the second position to ensure that the chemical liquid flows only in the target cleaning pipeline and is sprayed out from the corresponding nozzle 44, avoiding dilution or diversion of the chemical liquid caused by connection with another pipeline, and ensuring the concentration and effect of the chemical liquid; at the same time, this design is compatible with the mechanical structure and control logic of normal cleaning operations. Function switching can be achieved only by replacing the liquid in the liquid storage component 10. It is easy to operate and does not require changes to the system structure, thereby improving the system's versatility and user experience.

[0070] Furthermore, a functional component for water communication is provided between the liquid storage component 10 and the reversing valve component 30, see Figures 8 to 11 The functional components include one or more of a water pump 21, a one-way valve 22, a flow meter 23, an instant heating component 24, an anti-siphon component 25, an electrolyzed water component 26, and a sterilization component 27 to improve the functionality and reliability of the water system.

[0071] In practice, water pump 21 can be a micro centrifugal pump or a diaphragm pump. When the system performs cyclic operations such as descaling and self-cleaning, water pump 21 can provide sufficient power for the liquid to ensure its efficient circulation in a closed loop. During cleaning or chemical washing operations, the outlet pressure can be controlled by adjusting the speed of water pump 21 to meet the water flow intensity requirements of different users.

[0072] The one-way valve 22 can be set at the outlet of the water pump 21 or in the liquid outlet pipeline of the liquid storage component 10. The valve core is driven by a spring inside to achieve one-way conduction to avoid liquid backflow caused by water pressure fluctuations, prevent the treated liquid (such as sterilized and heated liquid) from mixing with the untreated liquid, and protect the water pump 21 and other components from reverse pressure shock.

[0073] A flow meter 23 can be connected in series in the waterway to monitor the liquid's flow parameters in real time. This can be achieved using a Hall effect flow sensor or a turbine flow meter 23. The flow meter 23 converts the flow signal into an electrical signal and transmits it to the system controller. The controller can use this flow data to determine whether the waterway is unobstructed (for example, a sudden drop in flow may indicate a pipe blockage) or coordinate control with the water pump 21 and instant heating element 24 (for example, adjusting the heating power of the instant heating element 24 based on the real-time flow rate to ensure a stable outlet water temperature).

[0074] The instant heating component 24 can utilize a corresponding heating structure to rapidly heat the liquid to a preset temperature as it passes through. A temperature sensor can be integrated within the instant heating component 24 to provide real-time feedback on the outlet water temperature. During cleaning and chemical cleaning operations, the instant heating component 24 ensures the appropriate temperature of the discharged liquid. During descaling operations, it can also enhance the activity of the descaling solution and improve descaling efficiency by heating the liquid to a specific temperature.

[0075] The anti-siphon component 25 is mainly used to ensure the sanitation and safety of the water system. When negative pressure occurs inside the system due to sudden water outage or other reasons, the anti-siphon component 25 can automatically open, introduce air to destroy the negative pressure state, and prevent the sewer or other polluted water sources from flowing back through the pipeline to the liquid storage component 10 or other cleaning components.

[0076] Electrolyzed water assembly 26 processes water through electrolysis. It houses an electrode plate. When powered, water flowing through the plate is electrolyzed to produce a liquid containing hypochlorous acid and other components, which has a sterilizing and disinfecting effect. Electrolyzed water assembly 26 can be positioned between flow meter 23 and instant heating assembly 24. This allows the electrolyzed liquid to sterilize the subsequent pipelines and nozzle 44 as it flows through them, reducing bacterial growth.

[0077] Sterilization assembly 27 can utilize a UV sterilization module, equipped with an internal ultraviolet lamp. When liquid flows through the cavity of sterilization assembly 27, the ultraviolet rays destroy the DNA structure of microorganisms, achieving sterilization and disinfection. Sterilization assembly 27 can be connected in series after electrolysis assembly 26 or before instant heating assembly 24 to further improve liquid cleanliness and prevent secondary contamination caused by bacterial growth in the pipeline.

[0078] It should be noted that this embodiment is not limited to the Figures 8 to 11The configuration of the functional components shown can be flexibly adjusted by selecting corresponding functional components according to actual needs. Of course, according to the present invention, those skilled in the art can also select other types of functional components, all of which fall within the scope of protection of the present invention.

[0079] Example 3 An embodiment of the present invention further provides a waterway system control method, comprising the following steps: receiving an operation instruction, wherein the operation instruction includes a cleaning operation instruction or a descaling operation instruction; Controlling the switching member 52 of the water channel switching mechanism 50 to switch from the first position to the second position, so that the liquid passes through the reversing valve assembly 30 and is ejected from the nozzle 44 through the first pipe 41 and / or the second pipe 42; If it is a descaling operation instruction, the switching member 52 is controlled to remain in the first position, and the liquid storage component 10 is connected to the reversing valve component 30 to form a circulation loop. The liquid in the liquid storage component 10 is returned to the liquid storage component 10 in sequence through the first cleaning port 32 of the reversing valve component 30, the first pipe 41, the water channel switching mechanism 50, the second pipe 42, and the second cleaning port 33 of the reversing valve component 30.

[0080] Furthermore, in order to realize the pre-drain cold water function, if it is a cleaning operation instruction, the switching element 52 is controlled to be in the first position first, so that the residual liquid in the water system flows into the second pipe 42 through the first pipe 41 and the flow hole 521, and selectively flows back to the liquid storage assembly 40 or is directly discharged through the reversing valve assembly 30, and then the switching element 52 is switched from the first position to the second position.

[0081] The specific structure, function and effect of the spray bar assembly and the water system can be referred to the aforementioned embodiment 1 and embodiment 2, and will not be described in detail in this embodiment.

[0082] Example 4 The present invention also provides an intelligent toilet, comprising the spray rod assembly described in any implementation of the above embodiment 1, or the water system described in any implementation of the above embodiment 2, or the water system control method described in the above embodiment 3.

[0083] It should be noted that the specific structures, functions and effects of the spray bar assembly, the water system and the control method can be referred to the aforementioned embodiments, which will not be described in detail in this embodiment.

[0084] Although terms such as liquid storage assembly, reversing valve assembly, spray boom assembly, waterway switching mechanism, and functional assembly are frequently used herein, the use of other terms is not excluded. These terms are used merely to more conveniently describe and explain the essence of the present invention; interpreting them as any additional limitations is contrary to the spirit of the present invention.

[0085] In addition, those skilled in the art should understand that, although there are many problems in the prior art, each embodiment or technical solution of the present invention may be improved in only one or several aspects, without having to simultaneously solve all the technical problems listed in the prior art or background art. Those skilled in the art should understand that any content not mentioned in a claim should not be construed as limiting the claim.

[0086] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A spray rod assembly for an intelligent toilet, comprising a nozzle, a first pipe connected to the nozzle, and a second pipe connected to the nozzle, characterized in that: The invention also includes a waterway switching mechanism disposed between the first pipe and the second pipe, the waterway switching mechanism including a switching member and a driving unit, the switching member being provided with a flow-through hole and a flow-guiding portion, the driving unit being connected to the switching member and driving the switching member to move between a first position and a second position; When the switching element is in the first position, the through hole connects the first pipe and the second pipe, so that the liquid in the first pipe flows into the second pipe; When the switching member is in the second position, the flow hole is closed, and the first pipe is connected to the passage of the nozzle through the guide part, and the second pipe is connected to the passage of the nozzle through the guide part, so that the liquid in the first pipe and the second pipe respectively flows to the nozzle.

2. The spray rod assembly of the intelligent toilet according to claim 1, characterized in that: The water channel switching mechanism further includes a diverter, the diverter having a first flow channel connected to the first pipe, a second flow channel connected to the second pipe, and a third and fourth flow channels connected to the nozzle; the first, second, third, and fourth flow channels are independent of each other and are provided with a switching port that cooperates with the switching member; When the switching member is in the first position, the through hole connects the switching port of the first flow channel and the switching port of the second flow channel to connect the first flow channel and the second flow channel; When the switching member is in the second position, the guide portion connects to the switching port of the first flow channel and the switching port of the third flow channel, and connects to the switching port of the second flow channel and the switching port of the fourth flow channel.

3. The spray rod assembly of the intelligent toilet according to claim 1 or 2, characterized in that: It also includes a telescopic mechanism, which includes a mounting portion and a movable portion that can move telescopically relative to each other. The nozzle, diverter, and switching portion are all arranged on the movable portion. The relative movement between the mounting portion and the movable portion drives the driving portion to drive the switching portion to switch between the first position and the second position.

4. The spray arm assembly of the intelligent toilet according to claim 3, characterized in that: The driving part includes a push rod and a push rod limiting part; one end of the push rod is connected to the switching part, and the other end cooperates with the mounting part; when the moving part extends to a preset position relative to the mounting part, the push rod is limited by the push rod limiting part and drives the switching part to switch from the first position to the second position.

5. A waterway system, characterized in that: include: The spray bar assembly according to any one of claims 1 to 4 further comprises a reversing valve assembly connected to a water path of the spray bar assembly, and a liquid storage assembly connected to the water path of the reversing valve assembly to form a circulation loop; When performing a cleaning operation, the switching member switches from the first position to the second position, so that the liquid passes through the reversing valve assembly, the first pipe and / or the second pipe and the guide portion, and is sprayed out from the nozzle; When performing the descaling operation, the switching member is in the first position, and the liquid storage assembly is connected to the reversing valve assembly to form a circulation loop; the liquid in the liquid storage assembly flows in sequence through the internal flow path of the reversing valve assembly, the first pipe, the flow hole, the second pipe, the internal flow path of the reversing valve assembly and returns to the liquid storage assembly.

6. The waterway system according to claim 5, characterized in that: When performing a cleaning operation, the switching element is first in the first position, so that the residual liquid in the water system flows into the second pipe through the first pipe and the flow hole, and selectively flows back to the liquid storage assembly or is directly discharged through the reversing valve assembly; The reversing valve assembly includes a reflux port connected to the liquid storage assembly, a first cleaning port connected to the first pipe, and a second cleaning port connected to the second pipe. When performing a descaling operation, the liquid in the liquid storage assembly returns to the liquid storage assembly via the first cleaning port, the first pipe, the flow hole, the second pipe, the second cleaning port, and the reflux port in sequence. When the water system is performing self-cleaning operation, the switching member is in the first position, and the water in the liquid storage assembly returns to the liquid storage assembly through the first cleaning port, the first pipe, the flow hole, the second pipe, the second cleaning port, and the reflux port in sequence; The liquid storage component is provided with a liquid filling port for introducing descaling liquid or medical liquid into the liquid storage component to perform descaling operations or medical washing operations; when performing medical washing operations, the switching component is in the second position, and the medical liquid in the liquid storage component passes through the reversing valve assembly, the first pipe and / or the second pipe and the guide part, and is sprayed out from the nozzle.

7. The waterway system according to claim 5 or 6, characterized in that: A functional component connected by water is also provided between the liquid storage component and the reversing valve component. The functional component includes one or more of a water pump, a one-way valve, a flow meter, an instant heating component, an anti-siphon component, an electrolyzed water component, and a sterilization component.

8. A waterway system control method, characterized in that: The following steps are involved: receiving an operation instruction, wherein the operation instruction includes a cleaning operation instruction or a descaling operation instruction; If it is a cleaning operation instruction, the switching element of the water channel switching mechanism is controlled to switch from the first position to the second position, so that the liquid passes through the reversing valve assembly and the first pipe and / or the second pipe and is sprayed out from the nozzle; If it is a descaling operation instruction, the switching component is controlled to remain in the first position, and the liquid storage assembly is connected to the reversing valve assembly to form a circulation loop. The liquid in the liquid storage assembly passes through the first cleaning port of the reversing valve assembly, the first pipeline, the water channel switching mechanism, the second pipeline, the second cleaning port of the reversing valve assembly and returns to the liquid storage assembly.

9. The waterway system control method according to claim 8, characterized in that: If it is a cleaning operation instruction, the switching element is first in the first position, so that the residual liquid in the water system flows into the second pipe through the first pipe and the flow hole, and selectively flows back to the liquid storage assembly or is directly discharged through the reversing valve assembly, and then the switching element is switched from the first position to the second position.

10. An intelligent toilet, characterized in that: Using the spray bar assembly according to any one of claims 1 to 4, or using the waterway system according to claim 5 or 6, or using the waterway system control method according to claim 8 or 9.

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