Energy storage type automatic flushing system
By combining a hydraulic delay device and a mechanical flushing mechanism, an automatic flushing function without electricity is achieved, solving the problem of using smart toilets when there is insufficient power. It is suitable for the renovation and upgrading of various toilets.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ECO (XIAMEN) TECH INC
- Filing Date
- 2025-05-22
- Publication Date
- 2026-05-26
AI Technical Summary
The automatic flushing function of existing smart toilets relies on electricity, which means they cannot be used when the battery is depleted or there is a power outage. In addition, the cost of retrofitting them is high, which hinders the popularization of smart toilets.
Design an energy storage type automatic flushing system that utilizes a hydraulic delay device and a mechanical flushing mechanism to achieve automatic flushing based on the user's sitting and getting up actions. It adopts a purely mechanical structure and requires no electric drive.
It achieves automatic flushing function on any type of toilet, requires no electricity, has a simple structure, low cost, is easy to market and improves ease of use.
Smart Images

Figure CN224281475U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of bathroom equipment, and specifically refers to an energy storage type automatic flushing system for leaving the seat. Background Technology
[0002] In daily life, people usually need to manually press the flush button to empty the toilet bowl after using it. Smart toilets, through preset circuit board programs, can sense when the user gets off and automatically activate the solenoid valve flushing system, achieving automatic flushing without manual operation and greatly improving the convenience of use.
[0003] However, these automatic flushing systems rely on electricity, and the automatic flushing function will fail if the battery runs out (for battery-powered systems) or there is a power outage (for plug-in systems), limiting their usability. Furthermore, although smart toilet technology is maturing, it is not yet widely adopted. Most households still use traditional toilets, and upgrading to a smart toilet with automatic flushing would involve high retrofit costs, which hinders the widespread adoption of smart toilets. Utility Model Content
[0004] The purpose of this invention is to provide an energy-storage automatic flushing system that solves the problems existing in the prior art. It can realize the automatic flushing function of the toilet without the need for electric drive and is suitable for the renovation and upgrading of various types of toilets.
[0005] To achieve the above objectives, the solution of this utility model is:
[0006] An energy-storage automatic flushing system includes a hydraulic delay device, a toilet seat, and a mechanical flushing mechanism. The input end of the hydraulic delay device is at least one water bladder, which is disposed on the bottom surface of the toilet seat. The output end of the hydraulic delay device is connected to the mechanical flushing mechanism. When a user sits on the toilet seat, the water bladder is compressed to change the internal hydraulic pressure of the hydraulic delay device, and the output end of the hydraulic delay device is linked to the mechanical flushing mechanism to activate the toilet's drainage function.
[0007] The hydraulic delay device is located below the back cover of the toilet seat and is connected to its water bladder via a water pipe, which is hidden between the upper and lower covers of the toilet seat.
[0008] Preferably, a water bladder is provided on the bottom surface of both sides of the front end of the toilet seat; it also includes a button and an adapter; the bottom surface of the seat cover is provided with a mounting groove, the water bladder is embedded in the mounting groove, and the adapter is attached to the lower surface of the water bladder; the lower cover of the seat is provided with a through hole at a position opposite to the mounting groove; the button passes through the through hole and is detachably connected to the adapter.
[0009] The hydraulic delay device includes a housing, a hydraulic component, a first slider, a first spring, a movable component, and a second spring. The hydraulic component includes the water bladder and has a piston rod that extends and retracts hydraulically. The first slider is slidably fitted inside the housing, with its two ends engaging with the piston rod and the first spring, respectively. The movable component is slidably fitted alongside the first slider inside the housing, with a first hook and a second hook on their opposite surfaces. The movable component is connected to the mechanical flushing mechanism. The second spring is located inside the housing and acts on the movable component. When the piston rod is hydraulically driven and extends, it pushes the first slider to move and compresses the first spring, causing the first spring to store energy. When the piston rod is no longer hydraulically driven, the first spring releases its stored energy to push the piston rod back and reset the first slider. Then, the first hook engages the second hook, causing the movable component to slide and compress the second spring. When the second hook disengages from the first hook, it releases the stored energy of the second spring to reset the movable component.
[0010] Preferably, the housing is provided with a first groove and a second groove for sliding cooperation between the first slider and the movable component, respectively, and the first groove and the second groove are parallel and connected.
[0011] Preferably, the hydraulic assembly further includes a valve body, a piston seat, a diaphragm, a three-way adapter, a check valve, and a connecting pipe; both ends of the valve body are respectively connected to the water bladder and the piston seat; the diaphragm is disposed at the connection between the piston seat and the valve body; the piston rod movably passes through the piston seat and abuts against the diaphragm; the three-way adapter is connected between the valve body and the water bladder; the check valve is disposed within the valve body; both ends of the connecting pipe are respectively connected to the three-way adapter and the valve body and communicate with both sides of the check valve; the cross-sectional area of the connecting pipe is smaller than the cross-sectional area of the valve body.
[0012] Preferably, the movable component includes a second slider that slides within the housing and a swing block that pivotally engages with the second slider; the second slider is provided with an output rod extending through the housing, the output rod being kinetically connected to the mechanical flushing mechanism; a second hook is provided on the opposite side of the swing block and the first slider; and the two ends of the second spring abut against the inner wall of the housing and the swing block, respectively.
[0013] Preferably, the hydraulic delay device further includes a pressure block and a third spring; the pressure block is slidably fitted inside the housing and is opposite to the end of the swing block away from the second slider, and the pressure block and the first slider are respectively located on both sides of the swing block; the third spring is disposed between the inner wall of the housing and the pressure block so that the pressure block abuts against the end side of the swing block; a guide slope is provided on the side of the swing block opposite to the first slider at the end away from the second slider, and a slope opposite to the guide slope is provided on the inner wall of the housing.
[0014] Preferably, the mechanical flushing mechanism is a pilot valve, and the output rod of the movable component acts on the sealing diaphragm of the pilot valve to change the state of the sealing diaphragm. Alternatively, the mechanical flushing mechanism includes a pull rope and a drain valve, with the two ends of the pull rope connected to the movable component and the stop plug of the drain valve, respectively.
[0015] After adopting the above technical solution, the present invention has the following technical effects:
[0016] This utility model's energy-storage automatic flushing system can be installed in any type of toilet (including ordinary and smart toilets) for modification or upgrade. The system automatically opens and closes the hydraulic delay device based on the user's sitting and rising actions. The power output from the hydraulic delay device then links to the mechanical flushing mechanism, automatically opening the water tank / water bag drain outlet. Finally, automatic drainage and flushing are achieved after the user has finished using the toilet and left the seat for a period of time. Furthermore, this utility model is a purely mechanical design, requiring no electricity, making it convenient to use. Its simple structure and low cost facilitate market promotion. Attached Figure Description
[0017] Figure 1 The three-dimensional representation of the first embodiment of this utility model Figure 1 (Partial structure visible after truncation).
[0018] Figure 2 The three-dimensional representation of the first embodiment of this utility model Figure 2 .
[0019] Figure 3 This is an exploded view of the first embodiment of the present invention.
[0020] Figure 4 This is a top view of the first embodiment of the present invention.
[0021] Figure 5 for Figure 4 A cross-sectional view along the AA direction.
[0022] Figure 6 This is an exploded view of the hydraulic delay device according to the first embodiment of this utility model.
[0023] Figure 7 This is a schematic diagram of the hydraulic delay device in standby mode according to the first embodiment of this utility model.
[0024] Figure 8 This is a schematic diagram of the state of the hydraulic delay device when a person sits down, according to the first embodiment of this utility model.
[0025] Figure 9 This is a schematic diagram of the hydraulic delay device pressure pack in the open state according to the first embodiment of this utility model.
[0026] Figure 10 This is a schematic diagram of the hydraulic delay device in the first embodiment of the present invention, showing the state of the swing block about to disengage.
[0027] Figure 11 This is a schematic diagram of the hydraulic delay device according to the second embodiment of the present invention.
[0028] Explanation of icon numbers:
[0029] 100-Hydraulic delay device; 1-Hydraulic component; 11-Piston rod; 12-Water bladder; 13-Valve body; 14-Piston seat; 15-Diaphragm; 16-T-connector; 17-Check valve; 18-Connecting pipe; 2-First slider; 21-First hook; 22-First spring cavity; 3-First spring; 4-Second spring; 5-Upper shell; 6-Lower shell; 61-First slide groove; 611-First positioning post; 62-Second slide groove; 621-Second positioning post; 622-Slope; 7-Second slider; 71-Output rod; 8-Swing block; 81-Second hook; 82-Second spring cavity; 83-Guide slope; 9-Pressure block; 91-Pressure rod; 10-Third spring; 20-Pilot valve; 201-Sealing diaphragm; 30-Pull rope; 40-Drain valve; 401-Stop plug;
[0030] 200 - Toilet seat; 2001 - Upper seat cover; 2002 - Lower seat cover; 2003 - Mounting groove; 2004 - Perforation;
[0031] 300-water pipe;
[0032] 400 - Button;
[0033] 500-Adapter;
[0034] 600-Toilet seat;
[0035] 700 - Back cover. Detailed Implementation
[0036] To further explain the technical solution of this utility model, the following detailed description is provided through specific embodiments.
[0037] refer to Figure 1-11As shown, this utility model discloses an energy storage type automatic flushing system for leaving the seat, including a hydraulic delay device 100, a toilet seat ring 200, and a mechanical flushing mechanism;
[0038] The input end of the hydraulic delay device 100 is at least one water bladder 12, which is disposed on the bottom surface of the toilet seat 200; the output end of the hydraulic delay device 100 is connected to the mechanical flushing mechanism.
[0039] When the user sits on the toilet seat 200, the water bladder 12 is squeezed to change the internal hydraulic pressure of the hydraulic delay device 100. The output end of the hydraulic delay device 100 is linked to the mechanical flushing mechanism to activate the toilet's drainage function.
[0040] Through the above solution, the energy storage type automatic flushing system of this utility model can be installed in any type of toilet (including ordinary, smart, etc.) for modification or upgrade. The hydraulic delay device 100 is automatically opened and closed by the user's sitting and getting up. The power output by the hydraulic delay device 100 is linked to the mechanical flushing mechanism to automatically open the drain outlet of the water tank / water bag. Finally, automatic drainage and flushing are achieved after the user has finished using the toilet and left the seat for a period of time. At the same time, this utility model is a purely mechanical structure design, which does not require electric drive, is convenient to use, and has a simple structure and low cost, making it easy to promote in the market.
[0041] refer to Figure 1-10 The first embodiment of the present invention is shown in the figure.
[0042] The aforementioned hydraulic delay device 100 is located below the rear cover 700 of the toilet seat 600 and is connected to its water bladder 12 via a water pipe 300. The water pipe 300 is concealed between the upper cover 2001 and the lower cover 2002 of the toilet seat 200 and is not exposed. In this embodiment, a water bladder 12 is provided on the bottom surface of both sides of the front end of the toilet seat 200 to ensure that even if the user sits on an off-center side, one side will receive sufficient pressure to activate the hydraulic delay device 100.
[0043] Furthermore, this utility model also includes a button 400 and an adapter 500; the bottom surface of the seat cover 2001 is provided with a mounting groove 2003, the water bladder 12 is embedded in the mounting groove 2003, and the adapter 500 is attached to the lower surface of the water bladder 12; the lower seat cover 2002 is provided with a through hole 2004 at a position opposite to the mounting groove 2003; the button 400 passes through the through hole 2004 and is detachably connected to the adapter 500 through a plug-in engagement or other means. Thus, the button 400 protrudes from the lower surface of the toilet seat 200 and is detachably connected to the adapter 500. When the user sits down, the button 400 naturally rests against the ceramic body of the toilet, thereby squeezing the water bladder 12 through the adapter 500, causing the hydraulic delay device 100 to output power outward; the detachable connection makes it convenient for the user to replace the button 400, and different thicknesses / heights of the button 400 can be replaced according to actual needs to achieve pressure adjustment.
[0044] refer to Figure 6-10 As shown, the aforementioned hydraulic delay device 100 includes a housing, a hydraulic assembly 1, a first slider 2, a first spring 3, a movable assembly, and a second spring 4. The hydraulic assembly 1 includes the aforementioned water bladder 12 and has a piston rod 11 that extends and retracts hydraulically. The first slider 2 is slidably fitted inside the housing, with its two ends respectively engaging with the piston rod 11 and the first spring 3. The movable assembly is slidably fitted alongside the first slider 2 inside the housing, with a first hook 21 and a second hook 81 provided on their opposing surfaces. The movable assembly is also connected to a mechanical flushing mechanism, meaning that the movable assembly is the input of the hydraulic delay device 100. The output end serves as the power output mechanism of the hydraulic delay device 100; the second spring 4 is disposed inside the housing and acts on the movable component; when the piston rod 11 is hydraulically driven and extends, it pushes the first slider 2 to move and compresses the first spring 3, causing the first spring 3 to store energy; when the piston rod 11 is not hydraulically driven, the first spring 3 releases the stored energy to push the piston rod 11 to retract and drive the first slider 2 to reset, and then the first hook 21 hooks the second hook 81 to drive the movable component to slide and compress the second spring 4; when the second hook 81 disengages from the first hook 21, it releases the stored energy of the second spring 4 to push the movable component to reset.
[0045] The technical effects of the hydraulic delay device 100 are as follows: This invention can convert the pressure applied by the user to the water bladder 12 into power for the first slider 2 via the hydraulic component 1. The hook and unhooking states between the first hook 21 of the first slider 2 and the second hook 81 of the movable component enable linkage and disengagement between the two. Furthermore, the first slider 2 and the movable component are each equipped with corresponding springs for drive reset, thus forming a complete delay drive logic (see the working principle below), achieving a delayed automatic flushing function without relying on electricity. In addition, this invention can adjust the position of the first hook 21 and the second hook 81 on corresponding parts and the coefficient of each spring to adjust the time before the first hook 21 and the second hook 81 contact during the reset process of the first slider 2, thereby adjusting the delay time of the delayed flushing, offering greater flexibility.
[0046] In some embodiments of the hydraulic delay device 100 described above, the outer shell includes an upper shell 5 and a lower shell 6 that can be assembled by means of snap-fit connection or other detachable methods, which facilitates the processing and molding of a groove-shaped structure for cooperation with other components, and makes assembly easier.
[0047] In some embodiments of the hydraulic delay device 100 described above, the outer casing is provided with a first slide groove 61 and a second slide groove 62 for sliding cooperation between the first slider 2 and the movable component, respectively. The first slide groove 61 and the second slide groove 62 are parallel and connected.
[0048] Furthermore, the end face of the first slide groove 61 is provided with a first positioning post 611, and the first slider 2 is provided with a first spring cavity 22. The two ends of the first spring 3 are respectively engaged with the first positioning post 611 and the first spring cavity 22 to achieve positioning engagement of the two ends of the first spring 3 and ensure the positional stability of the first spring 3.
[0049] In some embodiments of the hydraulic delay device 100 described above, the hydraulic component 1 further includes a valve body 13, a piston seat 14, and a diaphragm 15; both ends of the valve body 13 are connected to the water bladder 12 and the piston seat 14, respectively; the diaphragm 15 is disposed at the connection between the piston seat 14 and the valve body 13; the piston rod 11 is movably inserted through the piston seat 14 and abuts against the diaphragm 15. Thus, when the user sits down, the water bladder 12 is compressed, and the water inside is squeezed out, causing the pressure inside the valve body 13 to increase. The pressure acts on the diaphragm 15 and pushes the piston rod 11 out through the diaphragm 15; when the user leaves the seat, the water bladder 12 is no longer compressed, the thrust on the piston rod 11 decreases, and it is instead pushed back to its original position under the action of the first spring 3.
[0050] Furthermore, the aforementioned hydraulic assembly 1 also includes a three-way adapter 16, a one-way valve 17, and a connecting pipe 18. The three-way adapter 16 is connected between the valve body 13 and the water bladder 12. The one-way valve 17 is located inside the valve body 13. Both ends of the connecting pipe 18 are connected to the three-way adapter 16 and the valve body 13, respectively, and communicate with both sides of the one-way valve 17. The cross-sectional area of the connecting pipe 18 is smaller than the cross-sectional area of the valve body 13, meaning the flow rate of the connecting pipe 18 is less than the flow rate of the valve body 13. Due to the one-way valve 17, the water output from the water bladder 12, after passing through the one-way valve 17, can only flow back to the water bladder 12 via the connecting pipe 18, thereby limiting the reset speed of the piston rod 11, which in turn limits the reset speed of the first slider 2. Therefore, the inner diameter of the connecting pipe 18 determines the backflow rate of the hydraulic assembly 1, thus controlling the reset time of the first slider 2. Therefore, by replacing the connecting pipe 18 with different inner diameters, the delay time of the delayed flushing can be controlled and adjusted.
[0051] In some embodiments of the hydraulic delay device 100 described above, the movable component includes a second slider 7 slidably fitted within the housing, and a swing block 8 pivotally fitted with the second slider 7; the second slider 7 is provided with an output rod 71 extending through the housing, and the output rod 71 is connected to a mechanical flushing mechanism; the second hook 81 is provided on the opposite side of the swing block 8 and the first slider 2; the two ends of the second spring 4 abut against the inner wall of the housing and the swing block 8, respectively. In this embodiment, a second positioning post 621 is provided inside the housing (i.e., the second sliding groove 62 described above), the swing block 8 is provided with a second spring cavity 82, and the two ends of the second spring 4 are respectively fitted with the second positioning post 621 and the second spring cavity 82 to achieve positioning fit between the two ends of the second spring 4 and ensure the positional stability of the second spring 4.
[0052] Furthermore, the aforementioned hydraulic delay device 100 is also provided with a pressure block 9 and a third spring 10; the pressure block 9 is slidably fitted inside the housing and is opposite to the end of the swing block 8 away from the second slider 7, and the pressure block 9 and the first slider 2 are respectively located on both sides of the swing block 8; the third spring 10 is disposed between the inner wall of the housing and the pressure block 9 so that the pressure block 9 abuts against the end side of the swing block 8. Under the combined action of the pressure block 9 and the third spring 10, the swing block 8 is pushed towards the direction of the first slider 2, ensuring that the first hook 21 can engage with the second hook 81. In this embodiment, the aforementioned housing is provided with a third sliding groove for assembling the pressure block 9 and the third spring 10, which is used to limit the sliding position of the pressure block 9 and will not interfere with the movement path of the swing block 9. The pressure block 9 is provided with a pressure rod 91 that extends out of the third sliding groove and abuts against the side of the swing block 8.
[0053] Secondly, a guide slope 83 is provided on the side of the swing block 8 opposite to the first slider 2 at the end away from the second slider 7, and a ramp 622 opposite to the guide slope 63 is provided on the inner wall of the outer shell (i.e., the inner wall of the second slide groove 62). Thus, the ramp 622 and the pressure block 9 act on both sides of the end of the swing block 8 respectively: when the second slider 7 and the swing block 8 are driven by the first slider 2 to compress the second spring 4, the guide slope 63 contacts the ramp 622 and drives the swing block 8 to swing, thereby causing the second hook 81 to disengage from the first hook 21, and the first slider 2 and the swing block 8 are no longer linked. The first slider 2 resets independently under the action of the first spring 3; then, under the action of the third spring 10, the pressure block 9 presses the swing block 8 against the ramp 622, and the swing block 8 and the second slider 7 reset under the action of the second spring 4, finally turning off the mechanical flushing mechanism of the toilet.
[0054] In the first embodiment, the technical solution of this utility model is mainly applied to a smart toilet, such as a pressure flushing system for a smart toilet. The aforementioned mechanical flushing mechanism can be a pilot valve 20. The output rod 71 of the movable component acts on the sealing diaphragm 201 of the pilot valve 20 to change the state of the sealing diaphragm 201: when the output rod 71 retracts, the sealing diaphragm 201 is in the open state, and the pressure flushing system begins to drain; when the output rod 71 extends, the sealing diaphragm 201 is in the closed state, and the pressure flushing system no longer drains. Generally, the input end of the pilot valve 20 is connected to the pressure relief device (such as an opening valve) of the pressure flushing system. After the pilot valve 20 is opened, water from the pressure relief device is first discharged from the pilot valve 20, thus opening the pressure relief device. After the pressure relief device is opened, the pressure tank also begins to drain.
[0055] Therefore, the working principle of the first embodiment is referenced. Figure 7-10 As shown:
[0056] (1) When the user sits on the toilet seat 200, the water bladder 12 is flattened and the water inside is squeezed out, thereby increasing the hydraulic pressure in the valve body 13. The pressure acts on the diaphragm 15, thereby pushing the piston rod 11 out. Since the pressure of the hydraulic component 1 is greater than the elastic force of the first spring 3, the first slider 2 is pushed and compresses the first spring 3, so that the first spring 3 stores energy. At this time, since the first hook 21 and the second hook 81 are inclined, the first hook 21 can pass over the second hook 81 without driving the swing block 8. Throughout the process, the hydraulic pressure output by the hydraulic component 1 is converted into the elastic potential energy of the first spring 3.
[0057] (2) When the user leaves the seat, the elastic potential energy of the first spring 3 is released, and it begins to push the first slider 2 to reset. Before the first hook 21 contacts the second hook 81, the movable component consisting of the second slider 7 and the swing block 8 does not move, and the pressure flushing system has not been turned on. This period of time is the delay time of this utility model.
[0058] (3) After the first hook 21 and the second hook 81 come into contact, since the two planes are opposite each other, the first hook 21 hooks the second hook 81 and drives the second slider 7 and the swing block 8 to move at the same time and compress the second spring 4. The output rod 71 of the second slider 7 no longer applies pressure to the sealing diaphragm 201, the pilot valve 20 is opened, the water inside is discharged, and then the opening valve of the pressure flushing system is opened, and finally the drainage begins.
[0059] (4) After the swing block 8 moves a certain distance, its guide slope 83 contacts the ramp 622, forcing the swing block 8 to swing relative to the second slider 7, thereby causing the second hook 81 to disengage from the first hook 21. Then the first slider 2 continues to reset, and at this time the elastic potential energy of the second spring 4 is released, pushing the swing block 8 and the second slider 7 to reset. The output rod 71 presses against the sealing diaphragm 201 again and applies pressure to it. The pilot valve 20 is closed, completing the entire automatic flushing process.
[0060] refer to Figure 11 As shown, a second embodiment of the present invention is illustrated.
[0061] In the second embodiment, the technical solution of this utility model is mainly applied to ordinary toilets. For example, the output end of the movable component (i.e., the output rod 71 of the second slider 7) can directly act on the button or drain valve of the toilet tank. When the movable component is driven by the stored energy of the first spring 3, automatic flushing can be achieved by pressing the button or directly opening the drain valve. Taking the action on the drain valve as an example, see [link to relevant documentation]. Figure 11 The aforementioned mechanical flushing mechanism may include a pull rope 30 and a drain valve 40, with both ends of the pull rope 30 connected to a movable component and a stop plug 401 of the drain valve 40, respectively. Figure 11 Taking the direction in the middle as an example, when the movable component moves to the left under the force, it will pull the pull rope 30, thereby opening the water stop plug 401 and the drain valve 40 will start to drain; when the movable component resets, the drain valve 40 resets under the action of gravity, and the pull rope 30 is straightened again.
[0062] The above embodiments and figures are not intended to limit the product form and style of this utility model. Any appropriate changes or modifications made by those skilled in the art should be considered as not departing from the patent scope of this utility model.
Claims
1. An energy-storage type automatic flushing system for passengers leaving their seats, characterized in that: Includes hydraulic delay devices, toilet seats, and mechanical flushing mechanisms; The input end of the hydraulic delay device is at least one water bladder, which is disposed on the bottom surface of the toilet seat; the output end of the hydraulic delay device is connected to the mechanical flushing mechanism. When a user sits on the toilet seat, the water bladder is squeezed to change the internal hydraulic pressure of the hydraulic delay device, and the output of the hydraulic delay device is linked to the mechanical flushing mechanism to activate the toilet's drainage function.
2. The energy storage type automatic flushing system as described in claim 1, characterized in that: The hydraulic delay device is located below the back cover of the toilet seat and is connected to its water bladder via a water pipe, which is hidden between the upper and lower covers of the toilet seat.
3. The energy storage type automatic flushing system as described in claim 2, characterized in that: A water bladder is provided on the bottom surface of both sides of the front end of the toilet seat; It also includes a button and an adapter; the bottom surface of the seat cover is provided with a mounting groove, the water bladder is embedded in the mounting groove, and the adapter is attached to the lower surface of the water bladder; the lower cover of the seat is provided with a through hole at a position opposite to the mounting groove; the button passes through the through hole and is detachably connected to the adapter.
4. The energy storage type automatic flushing system as described in claim 1, characterized in that: The hydraulic delay device includes a housing, a hydraulic component, a first slider, a first spring, a movable component, and a second spring. The hydraulic component includes the water bladder and has a piston rod that extends and retracts hydraulically. The first slider is slidably fitted inside the housing, with its two ends engaging with the piston rod and the first spring, respectively. The movable component is slidably fitted alongside the first slider inside the housing, with a first hook and a second hook on their opposite surfaces. The movable component is connected to the mechanical flushing mechanism. The second spring is located inside the housing and acts on the movable component. When the piston rod is hydraulically driven and extends, it pushes the first slider to move and compresses the first spring, causing the first spring to store energy. When the piston rod is no longer hydraulically driven, the first spring releases its stored energy to push the piston rod back and reset the first slider. Then, the first hook engages the second hook, causing the movable component to slide and compress the second spring. When the second hook disengages from the first hook, it releases the stored energy of the second spring to reset the movable component.
5. The energy storage type automatic flushing system as described in claim 4, characterized in that: The housing is provided with a first slide groove and a second slide groove for sliding cooperation between the first slider and the movable component, respectively. The first slide groove and the second slide groove are parallel and connected.
6. The energy storage type automatic flushing system as described in claim 4, characterized in that: The hydraulic assembly further includes a valve body, a piston seat, a diaphragm, a three-way adapter, a check valve, and a connecting pipe; both ends of the valve body are connected to the water bladder and the piston seat, respectively; the diaphragm is disposed at the connection between the piston seat and the valve body; the piston rod movably passes through the piston seat and abuts against the diaphragm; the three-way adapter is connected between the valve body and the water bladder; the check valve is disposed within the valve body; both ends of the connecting pipe are connected to the three-way adapter and the valve body, respectively, and are connected to both sides of the check valve; the cross-sectional area of the connecting pipe is smaller than the cross-sectional area of the valve body.
7. The energy storage type automatic flushing system as described in claim 4, characterized in that: The movable component includes a second slider that slides within the housing and a swing block that pivotally engages with the second slider; the second slider is provided with an output rod extending through the housing, the output rod being kinetically connected to the mechanical flushing mechanism; a second hook is provided on the opposite side of the swing block and the first slider; the two ends of the second spring abut against the inner wall of the housing and the swing block, respectively.
8. The energy storage type automatic flushing system as described in claim 7, characterized in that: The hydraulic delay device is further provided with a pressure block and a third spring; the pressure block is slidably fitted inside the housing and is opposite to the end of the swing block away from the second slider, and the pressure block and the first slider are respectively located on both sides of the swing block; the third spring is disposed between the inner wall of the housing and the pressure block so that the pressure block abuts against the end side of the swing block; The side of the swing block opposite to the first slider at the end away from the second slider is provided with a guide slope, and the inner wall of the outer shell is provided with a slope opposite to the guide slope.
9. The energy storage type automatic flushing system for leaving the seat as described in any one of claims 4 to 8, characterized in that: The mechanical flushing mechanism is a pilot valve, and the output rod of the movable component acts on the sealing diaphragm of the pilot valve to change the state of the sealing diaphragm.
10. The energy storage type automatic flushing system for leaving the seat as described in any one of claims 4 to 8, characterized in that: The mechanical flushing mechanism includes a pull rope and a drain valve, with the two ends of the pull rope connected to the movable component and the stop plug of the drain valve, respectively.