Intelligent toilet flushing device and toilet thereof

By introducing a diversion water box and air blowing ring pipe into the smart toilet, combined with an electric telescopic rod and PLC control, automatic cleaning of the outer surface of the cleaning head is achieved, solving the problem of dirt accumulation in existing technologies and improving the cleaning effect.

CN115613664BActive Publication Date: 2026-06-19HEFEI ROYALSTAR ELECTRONIC APPLIANCE GROUP CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HEFEI ROYALSTAR ELECTRONIC APPLIANCE GROUP CO LTD
Filing Date
2022-10-11
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

In existing technologies, the outer surface of the cleaning section of the flushing device in smart toilets is prone to accumulating fecal matter, and there is a lack of effective cleaning solutions.

Method used

An intelligent toilet flushing device was designed, comprising a cleaning head, a water distribution box, an electric telescopic rod, an air pump, and a PLC controller. Through the cooperation of a water guide hose and an air blowing ring pipe, the device utilizes the alternating operation of water flow and air to achieve automatic cleaning of the outer surface of the cleaning head.

Benefits of technology

It achieves continuous cleaning of dirt on the outer surface of the cleaning head, ensuring effective dirt removal automatically after rinsing, thus improving cleaning effect and hygiene level.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

This invention discloses an intelligent toilet flushing device and its toilet, including a cleaning head for use on the inner wall of the toilet body. The toilet body has an internal inspection chamber, within which a water distribution box, an electric telescopic rod, and an air pump are respectively installed. A water guide hose is installed between the liquid inlet end of the cleaning head and the liquid outlet end of the water distribution box. The liquid inlet end of the water distribution box is connected to an external water pipe. Cleaning channels are circumferentially arranged on the inner wall of the toilet body outside the cleaning head. A water distribution pipe is connected between the liquid inlet end of the cleaning channel and the water distribution box. An air intake regulating component is installed inside the water distribution box and between the main sealing block and the secondary sealing block. The telescopic end of the electric telescopic rod retracts the cleaning head, while the air intake regulating component causes the main sealing block to close the water guide hose, leaving the water distribution pipe open. Water jets from the cleaning channels continuously clean the outer surface of the cleaning head, effectively cleaning the surface after the cleaning head has finished its work.
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Description

Technical Field

[0001] This invention belongs to the field of toilet technology, specifically relating to an intelligent toilet flushing device and the toilet itself. Background Technology

[0002] The smart toilet's bidet function uses a unique vortex rotating bubble nozzle for posterior washing, which provides a massage effect and promotes blood circulation, resulting in a completely clean feeling and preventing bacterial growth.

[0003] For example, Chinese patent CN109183936A discloses a toilet with a flushing device, comprising: a toilet body with a toilet opening, and an installation hole penetrating the toilet body on the side wall of the toilet body; a flushing device including a high-pressure water tank disposed outside the toilet body, a first water inlet pipe, and a second water inlet pipe, wherein the first water inlet pipe is installed in the installation hole and extends to the outside of the installation hole at both ends, one end of the first water inlet pipe is connected to the high-pressure water tank, and the other end is connected to a first hollow sphere with an opening, and the second water inlet pipe is a sphere including a horizontal portion and a vertical portion. The L-shaped tube has a horizontal section with one end connected to a second hollow sphere. The second hollow sphere is fitted around the first hollow sphere and is rotatably connected to it. The upper end of the vertical section is coaxially connected to a first disk with multiple first water spray holes. The upper end of the first disk is coaxially connected to a second disk. The first and second disks abut against each other. The second disk can rotate relative to the first disk. The second disk has multiple second water spray holes that correspond one-to-one with the first water spray holes. The rotation of the second disk relative to the first disk can change the area of ​​overlap between the second and first water spray holes.

[0004] However, the above solution has the following shortcomings: the flushing device in the above patent document is located outside the toilet body. When the first and second water spray holes are used to clean the arm, they are prone to splashing fecal dirt. The fecal dirt is easy to accumulate on the outer surface of the flushing part under the splash of the cleaning water. However, the existing technology does not have a cleaning device for the outer surface of the flushing part. How to clean the dirt splashed on the outer surface of the flushing part after the flushing work is completed is a problem that needs to be solved at present.

[0005] Therefore, we propose an intelligent toilet flushing device and toilet to solve the problems mentioned in the background art. Summary of the Invention

[0006] The purpose of this invention is to provide an intelligent toilet flushing device and toilet, so as to solve the problems existing in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution:

[0008] A smart toilet flushing device includes a cleaning head for use on the inner wall of the toilet body. The toilet body has an internal inspection chamber, in which a water distribution box, an electric telescopic rod, and an air pump are respectively installed. A water guide hose is provided between the liquid inlet end of the cleaning head and the liquid outlet end of the water distribution box. The liquid inlet end of the water distribution box is connected to an external tap water pipe, and the inner end of the cleaning head is connected to the telescopic end of the electric telescopic rod. A cleaning channel is circumferentially arranged on the inner wall of the toilet body outside the cleaning head. A water distribution pipe is connected between the liquid inlet end of the cleaning channel and the water distribution box. An air blowing ring is annularly sleeved on the inner side of the cleaning head. The air outlet end of the air pump is connected to the water distribution box and the air blowing ring through an air distribution pressure regulating valve.

[0009] The inner side of the diversion water box is respectively provided with a main sealing block and a secondary sealing block for opening and closing the inlet side of the water guide hose and the diversion water pipe. An air intake regulating component is provided inside the diversion water box and between the main sealing block and the secondary sealing block. When the air source pump blows air into the diversion water box from the outlet side, the extension end of the electric telescopic rod drives the cleaning head to retract. At the same time, the air intake regulating component drives the main sealing block to close the water guide hose, and the diversion water pipe is in the open state.

[0010] Preferably, the electric telescopic rod and the air source pump control terminal are connected to an external PLC controller. The air source pump is turned on in advance T seconds before the electric telescopic rod retracts, and is driven to turn off after the electric telescopic rod has fully returned to its original position. A connecting hole plate is provided on the side of the diversion water box, and a return spring sleeve rod slides through the connecting hole plate. A plastic pressure block is provided at the bottom end of the return spring sleeve rod, and the bottom end face of the plastic pressure block is always in contact with and fits against the water guide hose. A connecting plate is provided between the inner end of the cleaning head body and the electric telescopic rod.

[0011] Preferably, the liquid outlet side of the cleaning port is angled towards the outer surface of the cleaning head, the diversion water pipe is positioned above the water guiding hose, the inner side wall of the toilet body is provided with an installation hole communicating with the maintenance chamber, the cleaning head body slides through the installation hole, an air collection hood is fitted on the inner port of the installation hole, the air outlet side of the air blowing ring pipe faces the inner side of the air collection hood, when the air source pump is working, part of the discharged gas is discharged sequentially through the air blowing ring pipe, the air collection hood and the installation hole through the air distribution and pressure regulating valve and then discharged into the outer surface of the cleaning head for drying.

[0012] Preferably, the air intake regulating component includes an airbag compartment disposed in the water distribution box. When the air source pump is working, the airbag compartment can be inflated by the air distribution pressure regulating valve. The bottom end face of the inner wall of the water distribution box is provided with a liquid passage groove. The bottom end face of the airbag compartment is provided with a connecting plate, and the upper end face of the connecting plate is provided with a liquid passage port.

[0013] Preferably, the main sealing block is disposed on the bottom end face of the connecting plate, and a shielding sealing plate is disposed on the upper end face of the liquid inlet. A spring pressure frame is disposed between the upper end face of the connecting plate and the shielding sealing plate. The spring pressure frame seals the shielding sealing plate against the liquid inlet, thereby forming a sealed space between the inner wall of the diversion box, the connecting plate and the airbag partition. A top block is disposed at the bottom end of the inner wall of the diversion box below the liquid inlet, and the bottom end of the secondary sealing block is disposed on the connecting plate.

[0014] Preferably, the upper end face of the secondary sealing block is provided with a vertical hole, and the top of the inner wall of the diversion water box is provided with an upward push spring sleeve rod that slides through the vertical hole. The inner side wall of the diversion water box is provided with a limiting block to restrict the height of the secondary sealing block. Only one of the water guide hose and the diversion water pipe is always in the open state. When the air source pump is not working, the secondary sealing block is closed to the liquid inlet side of the diversion water pipe, and the water guide hose is in the open state. When the air source pump is working, it will drive the airbag partition to inflate. After the airbag partition expands, it will overcome the reverse spring force of the upward push spring sleeve rod and drive the connecting plate to move down, so that the main sealing block is closed to the liquid inlet side of the water guide hose. The secondary sealing block moves down to open the diversion water pipe, and the top block overcomes the spring pressure frame to move the shielding sealing plate out from the liquid inlet end. The liquid water discharged into the diversion water box passes through the liquid inlet tank, the diversion water pipe and the cleaning port in sequence to clean the dirt on the outer surface of the cleaning head.

[0015] A toilet, including the aforementioned intelligent toilet flushing device.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: the water flow sprayed from the cleaning port continuously cleans the dirt on the outer surface of the cleaning head. After the cleaning head is completely returned to its original position, the air source pump and the three-way solenoid valve are closed. Since no gas is filled into the airbag compartment, the main sealing block and the secondary sealing block are moved upward under the action of the upward pushing spring sleeve rod. At this time, the water guide hose is in the open state, the diversion water pipe is in the closed state, and the top block and the shielding sealing plate are separated, thus effectively cleaning the dirt on the outer surface of the cleaning head after the work is completed. Attached Figure Description

[0017] Figure 1 This is a cross-sectional view of the overall structure of the present invention;

[0018] Figure 2 for Figure 1 A partial schematic diagram;

[0019] Figure 3 for Figure 2 A partial schematic diagram of the left side area of ​​the diversion water box;

[0020] Figure 4 for Figure 2 A schematic diagram showing the closed state of the main sealing block inside the diversion water box;

[0021] Figure 5 for Figure 4 Diagram showing the position of the cleaning head in the current state;

[0022] Figure 6 for Figure 2 A schematic diagram of the cleaning inlet from the left;

[0023] Figure 7 This is a schematic diagram of the connecting plate, shielding sealing plate, main sealing block, secondary sealing block and push spring sleeve of the present invention.

[0024] In the diagram: 1. Toilet seat; 2. Washing head; 3. Inspection chamber; 4. Diverter box; 5. Air pump; 6. Water hose; 7. Washing inlet; 8. Diverter pipe; 9. Air ring pipe; 10. Main sealing block; 11. Secondary sealing block; 12. Connecting orifice plate; 13. Return spring sleeve; 14. Molding block; 15. Mounting hole; 16. Air collection hood; 17. Airbag partition; 18. Liquid passage groove; 19. Connecting plate; 20. Liquid passage port; 21. Shielding sealing plate; 22. Top block; 23. Vertical hole; 24. Push-up spring sleeve; 25. Limiting stop; 101. Electric telescopic rod; 201. Water inlet pipe; 202. Three-way solenoid valve; 301. Spring pressure frame; 401. Connecting plate. Detailed Implementation

[0025] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

[0026] Please see Figure 1-7 The present invention provides a technical solution:

[0027] Example 1:

[0028] A smart toilet flushing device includes a cleaning head 2 for the inner wall of the toilet seat 1. The cleaning head 2 is the cleaning head used in existing smart toilets. The toilet seat 1 has an internal inspection chamber 3 with an openable inspection door pre-installed on its inner wall for easy maintenance of the structural components. The inspection chamber 3 contains a water distribution box 4, an electric telescopic rod 101, and an air pump 5. The electric telescopic rod 101 and the air pump 5 are connected to an external power source for the smart toilet. A flexible water guide hose 6, made of soft PVC and bendable, is connected between the inlet end of the cleaning head 2 and the outlet end of the water distribution box 4. The inlet end of the water distribution box 4 is connected to an external water pipe, and also to a water inlet pipe 201. A three-way solenoid valve 202 connects the water inlet pipe 201 and the external water pipe. The solenoid valve 202 is a mature existing technology and will not be described in detail. The three-way solenoid valve 202 can be used to control the water flow status inside the water pipe 201. At the same time, the other water inlet of the three-way solenoid valve 202 is connected to the water inlet side of the toilet body 1, and the inner end of the cleaning head body 2 is connected to the telescopic end of the electric telescopic rod 101. The movement of the telescopic end of the electric telescopic rod 101 can drive the cleaning head body 2 to adjust the horizontal movement direction. The inner wall of the toilet body 1 is provided with a cleaning channel 7 circumferentially arranged outside the cleaning head body 2. The liquid inlet side of the cleaning channel 7 is connected to the diversion water box 4 by a diversion water pipe 8. The diversion water pipe 8 can divert the water flow inside the diversion water box 4. The inner side of the cleaning head body 2 is provided with an air blowing ring pipe 9. The air blowing ring pipe 9 does not contact the outer surface of the cleaning head body 2. The air source pump 5 is connected to the diversion water box 4 and the air blowing ring pipe 9 through the air pressure regulating valve.

[0029] Inside the water distribution box 4, there are main sealing blocks 10 and secondary sealing blocks 11 for opening and closing the liquid inlet side of the water guide hose 6 and the water distribution pipe 8, respectively. An air intake regulating component is provided inside the water distribution box 4 and between the main sealing blocks and the secondary sealing blocks 11. When the air source pump 5 blows air into the water distribution box 4 from the air outlet side, the extension end of the electric telescopic rod 101 drives the cleaning head body 2 to retract. At the same time, the air intake regulating component drives the main sealing block 10 to close the liquid inlet side of the water guide hose 6, and the water distribution pipe 8 is in the open state, so that the liquid water flowing through the water distribution box 4 can clean the outer surface of the cleaning head body 2 through the cleaning port 7.

[0030] Example 2:

[0031] Further explaining based on Embodiment 1, the control terminals of the electric telescopic rod 101 and the air pump 5 are connected to an external PLC controller, and the control terminal of the three-way solenoid valve 202 is also connected to the external PLC controller. The external PLC controller enables the electric telescopic rod 101 to retract its extension end by T seconds (T can be set to 1 second). Specifically, this can be achieved through the setting of a time relay. The air pump 5 is turned on in advance and turned off after the electric telescopic rod 101 has fully retracted. This setup allows cleaning water to be sprayed through the cleaning port 7 to clean the dirt on the outer surface of the cleaning head 2. The side of the diversion water box 4 is welded or screwed with a connecting plate 12. A return spring sleeve 13 slides through the connecting plate 12. A shaping block 14 is provided at the bottom of the return spring sleeve 13. The shaping block 14 has an arc-shaped structure. The bottom surface of the shaping block 14 is always in contact with the water guide hose 6, which facilitates the shaping of the bent water guide hose 6 after the cleaning head body 2 returns to its original position, ensuring the smooth flow of water inside the water guide hose 6. A connecting plate 401 is provided between the inner end of the cleaning head body 2 and the electric telescopic rod 101. The connection plate 401 facilitates the connection and fixation with the telescopic end of the electric telescopic rod 101.

[0032] Example 3:

[0033] Based on Example 1, the outlet side of the cleaning channel 7 is angled towards the outer surface of the cleaning head body 2, which facilitates the cleaning of the outer surface of the cleaning head body 2 by the sprayed water. The diversion pipe 8 is located above the water guide hose 6. The inner side wall of the toilet body 1 is provided with a mounting hole 15 that communicates with the maintenance chamber 3. The cleaning head body 2 slides through the mounting hole 15. In order to prevent sewage inside the toilet body 1 from flowing back through the mounting hole 15, the angle between the plane where the center line of the mounting hole 15 is located and the plane where the horizontal line is located can be set to 10°, or a waterproof and breathable device can be installed between the inner ring wall of the mounting hole 15 and the cleaning head body 2. A membrane is used to prevent sewage backflow. A gas collection hood 16 is fitted onto the inner port of the mounting hole 15. The air outlet side of the air blowing ring pipe 9 faces the inner side of the gas collection hood 16. When the air source pump 5 is working, part of the discharged gas is discharged through the gas distribution and pressure regulating valve in sequence through the air blowing ring pipe 9, the gas collection hood 16 and the mounting hole 15 and then discharged onto the outer surface of the cleaning head body 2 for drying. At the same time, an air guide pipe is pre-connected to the air inlet side of the air source pump 5. The air guide pipe passes through the side wall of the toilet body 1 to facilitate the air intake of the air source pump 5. At the same time, an electric heating wire can be pre-installed on the air outlet side of the air source pump 5 so that the gas discharged into the mounting hole 15 is hot air, which improves the drying effect on the outer surface of the cleaning head body 2.

[0034] Example 4:

[0035] Further explanation based on Embodiment 1: The air intake regulating component includes an airbag partition 17 disposed within the water distribution box 4. The airbag partition 17 can isolate the upper space inside the water distribution box 4. When the air source pump 5 is working, the airbag partition 17 can be inflated by the air distribution pressure regulating valve. The bottom end face of the inner wall of the water distribution box 4 is provided with a liquid passage groove 18. The design of the liquid passage groove 18 effectively increases the cross-sectional area of ​​liquid water flow inside the water distribution box 4 after the airbag partition 17 is inflated. The bottom end face of the airbag partition 17 is bonded or screwed to a connecting plate 19. The connecting plate 19 is horizontally arranged. The upper end face of the connecting plate 19 is provided with a liquid passage port 20. The connecting plate 19 can isolate its upper and lower spaces.

[0036] The main sealing block 10 is bonded or screwed to the bottom surface of the connecting plate 19. A shielding sealing plate 21 is provided on the upper surface of the liquid inlet 20. A spring pressure bracket 301 is provided between the upper surface of the connecting plate 19 and the shielding sealing plate 21. Figure 3 or Figure 7 As shown, the spring pressure frame 301 includes a downward pressure spring and an L-shaped frame. The spring pressure frame 301 generates a downward spring force on the shielding sealing plate 21. The spring pressure frame 301 seals the shielding sealing plate 21 against the liquid inlet 20, thereby forming a sealed space between the inner wall of the diversion water box 4, the connecting plate 19 and the airbag partition 17. When the diversion water box 4 is not filled with gas, the channel area flowing into the diversion water box 4 gradually decreases, thereby increasing the water flow velocity and improving the rinsing effect of the cleaning head 2. The bottom of the inner wall of the diversion water box 4 is provided with a top block 22 located below the liquid inlet 20. The bottom of the secondary sealing block 11 is bonded or screwed to the connecting plate 19. The secondary sealing block 11 has an L-shaped structure.

[0037] The upper end face of the secondary sealing block 11 is provided with a vertical hole 23. The top of the inner wall of the diversion water box 4 is provided with an upward push spring sleeve 24 that slides through the vertical hole 23. The inner side wall of the diversion water box 4 is provided with a limiting block 25 that limits the height of the secondary sealing block 11. The upward push spring sleeve 24 can limit the lateral position of the connecting plate 19 through the secondary sealing block 11 and also play a supporting role. Only one of the water guide hose 6 and the diversion water pipe 8 is always in the open state. When the air source pump 5 is not working, the secondary sealing block 11 closes the liquid inlet side of the diversion water pipe 8, and the water guide hose 6 is in the open state. In the current state, the cleaning head 2 is in the rinsing state; when the air source pump 5 is working, it will drive the airbag partition 17 to inflate and expand. After the airbag partition 17 expands, it will overcome the reverse spring force of the upward push spring sleeve rod 24 and drive the connecting plate 19 to move down, so that the main sealing block 10 closes the liquid inlet side of the water guide hose 6. The secondary sealing block 11 moves down, so that the diversion water pipe 8 is in the open state. The top block 22 overcomes the spring pressure frame 301 and moves the shielding sealing plate 21 out from the liquid inlet 20 end. The diversion water box 4 discharges liquid water through the liquid inlet 18, the diversion water pipe 8 and the cleaning port 7 to clean the dirt on the outer surface of the cleaning head 2.

[0038] The working principle is as follows: Connect the power supply terminals of the air pump 5, electric telescopic rod 101, and three-way solenoid valve 202 to an external power source. Simultaneously connect these components to an external PLC controller to achieve intelligent flushing control during the use of the cleaning head 2. During the use of the cleaning head 2 on the toilet seat 1, the control button connected to the external PLC controller drives the three-way solenoid valve 202 to the open state. At this time, water from the tap water pipe is discharged into the diversion box 4 through the water inlet pipe 201 under water pressure. The limit stop 25 and the push spring sleeve 24 are matched... The system is configured to limit the height of the connecting plate 19. Simultaneously, the flowing liquid water is sprayed from the outlet side of the cleaning head 2 via the water guide hose 6, cleaning the user's arm. After cleaning, when the cleaning head 2 needs to be retracted, the external PLC controller activates the air pump 5 T seconds before the electric telescopic rod 101 retracts. The air pump 5 pressurizes outside air and sequentially discharges it into the airbag compartment 17 and the air blowing ring pipe 9. After the airbag compartment 17 inflates, it drives the main sealing block 10 and the air blowing ring pipe 9 via the connecting plate 19. The secondary sealing block 11 moves down until the water guide hose 6 is closed and the diversion water pipe 8 is connected. Further, the top block 22 at the bottom of the inner wall of the diversion water box 4 pushes the shielding sealing plate 21 and the liquid inlet 20 apart. At this time, the three-way solenoid valve 202 and the water inlet pipe 201 are in a pass-through state. The liquid water flowing into the diversion water box 4 will sequentially flow through the liquid inlet 18, the liquid inlet 20, the diversion water pipe 8, and the cleaning channel 7, and be sprayed onto the outer surface of the cleaning head body 2 for cleaning. Afterwards, the electric telescopic rod 101 returns to its extended position, and the cleaning head body... As the cleaning head 2 continues to return to its original position, water is continuously sprayed out through the cleaning port 7 to clean the dirt on the outer surface of the cleaning head 2. After the cleaning head 2 has completely returned to its original position, the air source pump 5 and the three-way solenoid valve 202 are closed. Since there is no gas inside the airbag compartment 17, the main sealing block 10 and the secondary sealing block 11 are moved upward under the action of the upward pushing spring sleeve rod 24. At this time, the water guide hose 6 is in the open state, the diversion water pipe 8 is in the closed state, and the top block 22 and the shielding sealing plate 21 are separated, effectively cleaning the dirt on the outer surface of the cleaning head 2 after the work is completed.

[0039] This embodiment provides a toilet, including the intelligent toilet flushing device provided in Embodiment 1.

[0040] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A smart toilet flushing device, comprising a cleaning head (2) for use on the inner wall of the toilet seat (1), characterized in that: The toilet body (1) is provided with an inspection chamber (3). Inside the inspection chamber (3) are a water distribution box (4), an electric telescopic rod (101) and an air source pump (5). A water guide hose (6) is provided between the liquid inlet end of the cleaning head body (2) and the liquid outlet side of the water distribution box (4). The liquid inlet side of the water distribution box (4) is connected to an external tap water pipe, and the inner end of the cleaning head body (2) is connected to the telescopic end of the electric telescopic rod (101). A cleaning channel (7) is arranged circumferentially on the inner wall of the toilet body (1) outside the cleaning head body (2). A water distribution pipe (8) is connected between the liquid inlet side of the cleaning channel (7) and the water distribution box (4). An air blowing ring pipe (9) is annularly sleeved on the inner side of the cleaning head body (2). The air outlet side of the air source pump (5) is connected to the water distribution box (4) and the air blowing ring pipe (9) respectively through a gas distribution pressure regulating valve. The inner side of the diversion water box (4) is provided with a main sealing block (10) and a secondary sealing block (11) for opening and closing the inlet side of the water guide hose (6) and the diversion water pipe (8). An air intake adjustment component is provided between the inside of the diversion water box (4) and the main sealing block and the secondary sealing block (11). When the air source pump (5) blows air into the diversion water box (4) from the outlet side, the extension end of the electric telescopic rod (101) drives the cleaning head body (2) to retract. At the same time, the air intake adjustment component drives the main sealing block (10) to close the water guide hose (6) and the diversion water pipe (8) is in the open state. The control terminals of the electric telescopic rod (101) and the air source pump (5) are connected to an external PLC controller. The air source pump (5) is turned on in advance when the telescopic end of the electric telescopic rod (101) is retracted by the external PLC controller, and the air source pump (5) is turned off after the telescopic end of the electric telescopic rod (101) is fully returned to its original position. A connecting hole plate (12) is provided on the side of the diversion water box (4). A reset spring sleeve rod (13) slides through the connecting hole plate (12). A plastic pressure block (14) is provided at the bottom end of the reset spring sleeve rod (13). The bottom end face of the plastic pressure block (14) is always in contact with the water guide hose (6). A connecting plate (401) is provided between the inner end of the cleaning head body (2) and the electric telescopic rod (101). The air intake regulating component includes an airbag compartment (17) installed in the water distribution box (4). When the air source pump (5) is working, the airbag compartment (17) can be inflated by the air distribution pressure regulating valve. The bottom surface of the inner wall of the water distribution box (4) is provided with a liquid passage groove (18). The bottom surface of the airbag compartment (17) is provided with a connecting plate (19). The upper surface of the connecting plate (19) is provided with a liquid passage port (20).

2. The intelligent toilet flushing device according to claim 1, characterized in that: The liquid outlet side of the cleaning port (7) is angled toward the outer surface of the cleaning head body (2). The diversion water pipe (8) is located above the water guide hose (6). The inner side wall of the toilet body (1) is provided with an installation hole (15) that communicates with the maintenance chamber (3). The cleaning head body (2) slides through the installation hole (15). The inner port of the installation hole (15) is fitted with an air collection hood (16). The air outlet side of the air blowing ring pipe (9) faces the inner side of the air collection hood (16). When the air source pump (5) is working, it discharges part of the discharged gas through the air distribution pressure regulating valve in sequence through the air blowing ring pipe (9), the air collection hood (16) and the installation hole (15) to the outer surface of the cleaning head body (2) for drying.

3. The intelligent toilet flushing device according to claim 2, characterized in that: The main sealing block (10) is set on the bottom surface of the connecting plate (19), and the upper surface of the liquid inlet (20) is provided with a shielding sealing plate (21). A spring pressure frame (301) is provided between the upper surface of the connecting plate (19) and the shielding sealing plate (21). The spring pressure frame (301) seals the shielding sealing plate (21) against the liquid inlet (20), thereby forming a sealed space between the inner wall of the diversion water box (4), the connecting plate (19), and the airbag partition (17). The bottom of the inner wall of the diversion water box (4) is provided with a top block (22) located below the liquid inlet (20), and the bottom of the secondary sealing block (11) is set on the connecting plate (19).

4. The intelligent toilet flushing device according to claim 3, characterized in that: The upper end face of the secondary sealing block (11) is provided with a vertical hole (23). The top of the inner wall of the diversion water box (4) is provided with an upward push spring sleeve (24) that slides through the vertical hole (23). The inner side wall of the diversion water box (4) is provided with a limiting block (25) that limits the height of the secondary sealing block (11). Only one of the water guide hose (6) and the diversion water pipe (8) is always in the open state. When the air source pump (5) is not working, the secondary sealing block (11) closes the liquid inlet side of the diversion water pipe (8), and the water guide hose (6) is in the open state. When the air source pump (5) is working, it will drive the airbag partition. (17) Inflate and expand. After the airbag compartment (17) expands, it overcomes the reverse spring force of the push spring sleeve (24) and drives the connecting plate (19) to move down, so that the main sealing block (10) closes the liquid inlet side of the water guide hose (6). The secondary sealing block (11) moves down to open the diversion water pipe (8). The top block (22) overcomes the spring pressure frame (301) and moves the shielding sealing plate (21) out from the liquid inlet (20). The diversion water box (4) discharges liquid water through the liquid inlet (18), the diversion water pipe (8) and the cleaning channel (7) to clean the dirt on the outer surface of the cleaning head body (2).

5. A toilet seat, characterized in that: Includes the intelligent toilet flushing device according to any one of claims 1-4 above.