Garden drainage system

Abstract

The invention discloses a garden drainage system, which relates to the field of drainage structures, and comprises a main body base, a reservoir for planting plants is arranged at the top of the main body base, a water storage cavity is arranged at the bottom of the reservoir in the main body base, a mounting seat is fixedly arranged at the top of the inner wall of the water storage cavity, and a limiting plate is arranged around the surface of the mounting seat; a movable telescopic sealing sleeve is fixedly arranged at the top of the limiting plate in a surrounding mode, an upper sieve plate for preliminarily screening sundries is arranged at the top of the sealing sleeve in a surrounding mode, and a lower sieve plate for secondarily screening the sundries is arranged in the water storage cavity and located below the upper sieve plate. A rotating seat is rotatably arranged in the mounting seat, a plurality of cleaning plates for cleaning sundries are rotatably connected to the surface of the rotating seat, a synchronous ring is fixedly arranged at the bottom of the rotating seat, and the outer surface of the synchronous ring is fixedly connected with the middle of the lower sieve plate to form synchronous rotation. Water filtering and filtering hole cleaning are synchronously carried out, so that blockage is prevented, the drainage effect is kept, meanwhile, filtered water is stored, cyclic utilization is achieved, and the environmental protection property is improved.

Description

Technical Field

[0001] The invention relates to the field of drainage structures, in particular to a garden drainage system. Background Art

[0002] Garden drainage system refers to the general term for engineering facilities used to collect, transport, treat and discharge sewage, rainwater and wastewater in gardens. Its main function is to effectively remove ground water and excess water, prevent waterlogging and soil salinization, and ensure the normal growth of plants and landscape effects. As an important part of garden landscape, garden ornamental pools not only have ornamental value, but also bear certain ecological functions. However, due to changes in water volume caused by various factors (such as rainfall, irrigation, etc.), ornamental pools may face problems such as water accumulation and accumulation of debris. Therefore, a well-designed drainage system is crucial to maintaining the normal operation and beauty of the ornamental pool. The garden drainage system includes structures such as drainage outlets and internal filtration devices.

[0003] For example, Chinese patent application number CN202221996936.0, a drainage foundation for garden planning. This structure has the following shortcomings in actual use: the structure introduces external water through multiple drainage holes. When the water contacts the fixed plate, the filter plate on the surface of the fixed plate filters the water. However, as the use time increases, and the filter plate is in a static filtering state for a long time, the filter holes on the surface of the filter screen are blocked by debris, thereby affecting the drainage effect, and the filtered water is directly discharged to the outside through the drainage channel, so that the water cannot be recycled, and the environmental protection is poor. Summary of the invention

[0004] In order to improve the problem that the filter holes of the existing drainage system are easily clogged, thus affecting the drainage effect, and the water cannot be recycled and is environmentally friendly, the present invention provides a garden drainage system.

[0005] The garden drainage system provided by the present invention adopts the following technical solution:

[0006] A garden drainage system, comprising a main body base, a water reservoir for planting plants is provided on the top of the main body base, a water storage cavity is provided at the bottom of the water reservoir in the main body base, a mounting seat is fixedly provided on the top of the inner wall of the water storage cavity, a limit plate is provided around the surface of the mounting seat, a movable and retractable sealing sleeve is fixedly provided around the top of the limit plate, an upper screen plate for preliminary screening of debris is provided around the top of the sealing sleeve, and a lower screen plate for secondary screening of debris is provided below the upper screen plate in the water storage cavity;

[0007] A rotating seat is rotatably arranged inside the mounting seat, a plurality of cleaning plates for cleaning debris are rotatably connected to the surface of the rotating seat, a synchronous ring is fixedly arranged at the bottom of the rotating seat, and the outer surface of the synchronous ring is fixedly connected to the middle of the lower screen plate to form synchronous rotation.

[0008] By adopting the above technical scheme, the upper sieve plate contacts the water and squeezes the sealing sleeve to descend, so that the cleaning plate is rotated by the water flow, and the rotating seat is driven to rotate synchronously. As the cleaning plate rotates, the surface of the cleaning plate protrudes from the surface of the mounting seat, thereby cleaning a large area of ​​debris accumulated at the drain outlet of the mounting seat. At the same time, the rotating seat drives the synchronous ring to rotate the lower sieve plate, thereby loosening a small area of ​​debris on the surface of the lower sieve plate, effectively avoiding blockage of the filter holes. At the same time, the filtered water is stored in the water reservoir for easy recycling.

[0009] Preferably, a plurality of discharge ports 1 are provided on the surface of the mounting seat at a position located on the top of the limiting plate, the sealing sleeve surrounds and covers the plurality of discharge ports 1, and the plurality of discharge ports 1 all penetrate through the interior of the mounting seat to provide an active cavity.

[0010] By adopting the above technical solution, the upper screen plate moves downward to expose the discharge port 1, so that the water is discharged from the discharge port 1 to the outside.

[0011] Preferably, the main body base is provided with an inclined surface at the bottom surface of the water reservoir, and the main body base is provided with a plurality of connecting ports connected to the water storage chamber at the bottom of the inclined surface, and limiting grooves are extended from the tops of the plurality of connecting ports.

[0012] By adopting the above technical solution, the inclined surface is conical so that the debris in the water accumulates on the inner wall side of the water reservoir, thereby facilitating the water to carry the debris and discharge into the water storage cavity from the connecting port. At the same time, the opening of the limit groove fixes the subsequent drainage groove, facilitating the overall lifting and movement of the upper screen plate.

[0013] Preferably, drainage grooves are fixedly provided at the top of the upper sieve plate at the positions of the multiple connecting ports, and the multiple drainage grooves are inserted through the connecting ports and plugged into the multiple limiting grooves one by one.

[0014] By adopting the above technical solution, the drainage groove is inserted into the limiting groove to form a transverse clamping connection, while receiving the water discharged from the connecting port and draining the water to the surface of the upper screen plate.

[0015] Preferably, a plurality of arc-shaped sieve openings are formed around the upper end surface of the upper sieve plate, and the plurality of arc-shaped sieve openings penetrate the upper sieve plate and are connected with the lower sieve plate. A guide block is fixedly provided on both sides of the plurality of drainage grooves on the upper end surface of the upper sieve plate.

[0016] By adopting the above technical solution, the arc shape of the arc-shaped screen mouth intercepts large-area debris, and discharges water from the arc-shaped screen mouth to the surface of the lower screen plate. At the same time, the guide block is in an arc shape to divert the water flowing into the upper screen plate, thereby changing the flow direction of the water.

[0017] Preferably, the main body base is provided with a water level limit protruding from the bottom of the water storage chamber, the middle of the water level limit passes through the main body base and is connected to the outside to open a discharge outlet, and the bottom of the lower sieve plate abuts against the top of the water level limit.

[0018] By adopting the above technical solution, the water level limit is formed by the protrusion at the bottom of the water storage chamber, thereby limiting the amount of water stored in the water storage chamber. When the water level is higher than the water level limit, excess water flows into the outside through the discharge port.

[0019] Preferably, through holes are provided in the middle of the upper sieve plate and the lower sieve plate, and the through holes of the upper sieve plate and the lower sieve plate are aligned with the center of the discharge port.

[0020] By adopting the above technical solution, the upper sieve plate, the lower sieve plate and the center of the discharge port are aligned, thereby facilitating the discharge of debris and water.

[0021] Preferably, a plurality of sieve holes are formed through the surface of the lower sieve plate, and a second discharge port is formed in a reserved space between the middle of the upper end surface of the lower sieve plate and the limiting plate.

[0022] By adopting the above technical solution, multiple sieve holes perform secondary filtration on the soil and sand in the water, so that the water is stored in the water storage chamber. At the same time, the second discharge port is connected to the discharge port to reserve space for the discharge of soil and sand.

[0023] Preferably, the rotating seat surface is provided with a plurality of grooves, the plurality of cleaning plates are located in the plurality of grooves and are rotatably connected one by one, the rotating seat surface is provided with torsion springs at the positions of the plurality of cleaning plates, and the other ends of the plurality of torsion springs are fixedly connected one by one to the plurality of cleaning plates.

[0024] By adopting the above technical solution, multiple cleaning plates are located in the groove and rotate, thereby being subjected to thrust by the water flow discharged from the discharge port 1, thereby driving the rotating seat to rotate as a whole. The rotation of the rotating seat drives the multiple cleaning plates to rotate, so that the cleaning plates are pressed into the discharge port 1 to clear the blocked debris.

[0025] Preferably, a spraying system is fixedly provided on the top of the mounting seat, and the output end of the spraying system passes through the center of the inclined surface and is located in the water reservoir. A plurality of liquid extraction pipes are fixedly provided around the spraying system on the top of the mounting seat, and the bottoms of the plurality of liquid extraction pipes extend to the bottom of the water storage chamber, and movable openings are provided on the surface of the upper sieve plate at the positions of the liquid extraction pipes.

[0026] By adopting the above technical solution, the spraying system extracts the water stored in the water storage chamber through the suction pipe, and then sprays it into the water storage tank through the nozzle on the top, thereby completing the water supply to the plants in the tank. At the same time, the movable opening on the surface of the upper sieve plate reserves space for the installation of multiple suction pipes to prevent misalignment.

[0027] In summary, the present invention includes at least one of the following beneficial technical effects:

[0028] 1. Water is dropped from the connecting port onto the surface of the upper sieve plate, thereby exerting a pressure drop on the upper sieve plate, and then large-volume debris is discharged to the outside from the discharge port 1, and part of the water is filtered by the upper sieve plate and drops onto the surface of the lower sieve plate, and small-volume debris is discharged to the outside from the discharge port 2. In the process of discharging debris with water, the water contacts the rotating seat, so that the cleaning plate is pressed into the discharge port 1 to clean up the accumulated large-volume debris. At the same time, the rotating seat drives the synchronous ring to rotate the lower sieve plate, thereby loosening the small-volume debris, maintaining the discharge of water, and cleaning the discharge port to prevent debris from clogging;

[0029] 2. With the help of the water pump of the spraying system to generate suction, the accumulated water in the water storage chamber is input into the nozzle end of the spraying system through multiple suction pipes, and then discharged into the water storage tank. While discharging the accumulated water, part of the water is intercepted and reused to supplement the water for the plants to form a cycle, thereby improving environmental protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a three-dimensional schematic diagram of the present invention;

[0031] Figure 2 It is a front cross-sectional view of the present invention;

[0032] Figure 3 It is an exploded view of the internal structure of the present invention;

[0033] Figure 4 This is an exploded view of the mounting base of the present invention;

[0034] Figure 5 This is a connection diagram of the lower sieve plate of the present invention;

[0035] Figure 6 This is a connection diagram of the upper sieve plate of the present invention;

[0036] Figure 7 It is a three-dimensional cross-sectional view of the present invention.

[0037] Reference numerals: 1, main body base; 2, water reservoir; 3, water storage chamber; 4, inclined surface; 5, connecting port; 6, mounting seat; 7, spraying system; 8, limit plate; 9, upper screen plate; 10, drainage groove; 11, arc-shaped screen opening;

[0038] 12. Guide block; 13. Liquid extraction pipe; 14. Movable port; 15. Lower sieve plate; 16. Sieve hole; 17. Rotating seat; 18. Cleaning plate; 19. Torsion spring; 20. Synchronous ring;

[0039] 21. Movable cavity; 22. Discharge port 1; 23. Water level limit; 24. Discharge port; 25. Limiting groove; 26. Discharge port 2; 27. Sealing sleeve. DETAILED DESCRIPTION

[0040] The following is combined with Figure 1-Figure 7 The present invention is described in further detail.

[0041] The embodiment of the invention discloses a garden drainage system.

[0042] Reference Figure 1 , Figure 2 , Figure 7 A garden drainage system includes a main body base 1, the outer surface of the main body base 1 is barrel-shaped as a whole, the upper end surface of the main body base 1 is recessed downward to open a water reservoir 2, the water reservoir 2 is used to store water and plant aquatic plants for viewing, the center of the bottom surface of the water reservoir 2 is upwardly convex in a cone to form an inclined surface 4, and the inner wall of the water reservoir 2 is located at the position of the inclined surface 4 and penetrates the main body base 1 to open a plurality of connecting ports 5 (the number of connecting ports 5 is at least four), and the connecting ports 5 are all provided with movable pluggable sealing plugs, and the plurality of connecting ports 5 are upwardly provided with limiting grooves 25; the bottoms of the plurality of connecting ports 5 all penetrate the lower part of the main body base 1 to open a barrel-shaped water storage cavity 3.

[0043] It should be noted that a water level limit 23 is protruding from the bottom surface of the main body base 1 located in the water storage chamber 3. The height of the water level limit 23 is adjusted according to the amount of water that needs to be stored. A discharge outlet 24 is provided in the middle part of the water level limit 23 and penetrates downward through the main body base 1. The discharge outlet 24 is connected to an external sewer structure for drainage.

[0044] The water reservoir 2 is used to store water for planting plants to improve the ornamental value of the garden. The water storage chamber 3 stores the filtered accumulated water for secondary storage for easy recycling and reuse. At the same time, multiple connecting ports 5 connect the water reservoir 2 with the water storage chamber 3, thereby providing a discharge channel for the accumulated water in the water reservoir 2 to be discharged into the water storage chamber 3. The water level limit 23 is fixed in the water storage chamber 3 to limit the water level stored in the water storage chamber 3, and the discharge port 24 passes through the water level limit 23 to communicate with the outside, reserving a discharge channel for the discharge of excess accumulated water above the water level limit 23.

[0045] Reference Figure 3 , Figure 5 , Figure 6A synchronous ring 20 is disposed in contact with the water storage chamber 3 above the water level limit 23, a rotating seat 17 is fixedly connected to the middle of the upper end surface of the synchronous ring 20, a mounting seat 6 is fixedly provided on the outer surface of the rotating seat 17, and the top surface of the mounting seat 6 is fixedly connected to the top of the inner wall of the water storage chamber 3, a movable cavity 21 is provided inside the mounting seat 6, the rotating seat 17 is located in the movable cavity 21 as a whole, and a plurality of discharge ports 22 are provided on the side surface of the mounting seat 6 in the range of the rotating seat 17, the plurality of discharge ports 22 all penetrate the mounting seat 6 and are connected to the movable cavity 21, and the number of the discharge ports 22 is consistent with the connecting port 5, a plurality of grooves are provided on the outer surface of the rotating seat 17, and a cleaning plate 18 is rotatably connected in the groove, the cleaning plate 18 is arranged in an arc shape, and a plurality of cleaning plates 18 are fixedly provided with a torsion spring 19 in the middle of the side facing the rotating seat 17;

[0046] The torsion spring 19 is set to an expanded state, and the expanded distance of the torsion spring 19 is greater than the distance between the rotating seat 17 and the discharge port 22, so that the cleaning plate 18 can be pressed into the discharge port 22. Under normal conditions, the outer surfaces of multiple cleaning plates 18 abut against the inner wall of the active cavity 21, so that the cleaning plates 18 are retracted as a whole. At the same time, the outer surface of the mounting seat 6 is located at the position of the discharge port 22 and is protruding with an annular limiting plate 8. The upper end surface of the limiting plate 8 is sealed with a sealing sleeve 27. The sealing sleeve 27 is made of rubber material, and a retractable spring is arranged inside the sealing sleeve 27. The top of the sealing sleeve 27 is sealed with an upper sieve plate 9. The upper sieve plate 9 is generally in the shape of a funnel with an opening upward, and the outer surface of the upper sieve plate 9 is sealed with the inner wall of the water storage chamber 3.

[0047] It should be noted that the upper end surface of the upper sieve plate 9 is fixedly provided with a drainage groove 10 at the position of the plurality of connecting ports 5, and the height of the drainage groove 10 is consistent with the limit groove 25. Under normal conditions, the drainage groove 10 penetrates the connecting ports 5 and abuts against the bottom of the limit groove 25, and the height of the limit groove 25 is greater than the maximum compression height of the sealing sleeve 27. The surface of the upper sieve plate 9 is fixedly provided with arc-shaped guide blocks 12 on both sides of the plurality of drainage grooves 10, and the arc bottoms of every two guide blocks 12 are aligned with a discharge port 22, and the upper end of the upper sieve plate 9 An arc-shaped sieve opening 11 is provided between every two guide blocks 12, and the width of the arc-shaped sieve opening 11 is set between 0.5 and 1 cm. At the same time, a lower sieve plate 15 fixedly connected to the outer surface of the synchronous ring 20 is provided below the upper sieve plate 9 in the water storage chamber 3. A plurality of sieve holes 16 are provided around the surface of the lower sieve plate 15, and the aperture of the sieve hole 16 is set at 0.5 mm. The width of the lower sieve plate 15 is smaller than that of the upper sieve plate 9, and a distance of 4 to 5 cm is reserved between the top of the lower sieve plate 15 and the limit plate 8 as the discharge port 26.

[0048] The accumulated water abuts against the drainage groove 10 through the connecting port 5, and flows downward due to the notch of the drainage groove 10, so that it is located between the two guide blocks 12. When the accumulated water contacts the surface of the upper sieve plate 9, it is affected by the inclined surface of the upper sieve plate 9 and flows to the bottom. During the inflow process, the accumulated water contacts multiple arc-shaped sieve ports 11, so that large-volume debris is initially filtered, so that part of the accumulated water carries small-volume debris and falls into the surface of the lower sieve plate 15. At the same time, as the remaining accumulated water carries a large volume, it contacts the arc surfaces of the two guide blocks 12, thereby completing the inclined flow. The accumulated water flowing into the multiple connecting ports 5 forms a rotating flow mode as a whole, and as the accumulated water flows in, downward gravity is generated on the upper sieve plate 9, so that the sealing sleeve 27 is pressed downward, so that the discharge port 22 is exposed to the contact range of the accumulated water, and the accumulated water in the rotating flow carries large-volume debris and falls from the discharge port 22 into the discharge port 24 and is discharged to the outside.

[0049] The rotating flowing accumulated water contacts the arc surface of the plurality of cleaning plates 18, thereby generating a lateral thrust, thereby pushing the rotating seat 17 to rotate. The rotation of the rotating seat 17 drives the plurality of cleaning plates 18 to rotate synchronously, thereby first sliding out from the inside of the active chamber 21 to the range of the discharge port 1 22. At this time, the torsion spring 19 stretches and drives the cleaning plate 18 to be pressed into the discharge port 1 22 to clean the remaining large-volume debris, and then the cleaning plate 18 continues to be pressed back into the inner wall of the active chamber 21 to form a cycle. At the same time, the rotating seat 17 drives the synchronous ring 20 to rotate, and the synchronous ring 20 drives the lower sieve plate 15 to rotate. The lower sieve plate 15 receives the accumulated water, and the sieve hole 16 filters the sediment in the accumulated water, so that part of the accumulated water falls into the water storage chamber 3 for storage, and the remaining accumulated water entrains the sediment and falls into the discharge port 24 from the discharge port 2 26 to be discharged to the outside. At this time, the lower sieve plate 15 is rotated by the synchronous ring 20 to loosen the sediment on the surface, so that the accumulated water entrains the sediment and is discharged to avoid blockage.

[0050] Reference Figure 3 , Figure 4 , Figure 5 A water pump is arranged inside the mounting seat 6 above the active cavity 21, and the output end of the water pump passes through the top of the mounting seat 6 and is fixedly connected with a nozzle, thereby forming a spraying system 7, and the nozzle end of the spraying system 7 passes through the main base 1 and is located within the range of the water reservoir 2, and a plurality of liquid extraction pipes 13 are connected to the input end of the spraying system 7, and the ends of the plurality of liquid extraction pipes 13 away from the spraying system 7 all pass through the upper sieve plate 9 and are located at the bottom of the water storage cavity 3, and at the same time, the upper sieve plate 9 is provided with active openings 14 at the penetration points of the liquid extraction pipes 13.

[0051] The input end of the water pump arranged in the spraying system 7 generates suction, so that the accumulated water at the bottom of the water storage chamber 3 is extracted by the liquid extraction pipe 13, and the extracted accumulated water is transported to the nozzle end, and then discharged into the water reservoir 2 to replenish water for the planted plants. While maintaining the discharge of excess accumulated water, part of the accumulated water is intercepted, thereby forming a secondary utilization effect and improving environmental protection.

[0052] Among them, the system also includes the water pump, the nozzle end, the external power connection end of the water pump and the external sewer structure in the spraying system 7, which are all existing technologies, and their structural principles are no longer repeated. The system includes the water reservoir 2, the water storage chamber 3, the mounting seat 6, the upper sieve plate 9, the lower sieve plate 15, the rotating seat 17, the cleaning plate 18 and the torsion spring 19, etc. The structural surfaces that are in direct contact with the water are coated with a waterproof coating to avoid water erosion.

[0053] The implementation principle of a garden drainage system in an embodiment of the present invention is as follows: when the accumulated water in the water reservoir 2 overflows due to rainfall, the sealing plug in the connecting port 5 is pulled out, so that the accumulated water in the water reservoir 2 flows into the connecting port 5, contacts the drainage groove 10 and falls onto the surface of the upper sieve plate 9, and the arc-shaped sieve opening 11 on the surface of the upper sieve plate 9 preferentially performs preliminary filtration on the accumulated water, thereby blocking large-volume debris, and causing part of the accumulated water to fall onto the surface of the lower sieve plate 15, while the remaining accumulated water and large-volume debris are located at the bottom of the upper sieve plate 9, thereby generating downward pressure, causing the sealing sleeve 27 to shrink and deform, causing the upper sieve plate 9 to move downward, thereby exposing the discharge port 22;

[0054] The remaining accumulated water carries the large volume of debris along the guide blocks 12 on both sides, thereby generating an inclined impact force, and the multiple discharge ports 22 impact the surface of the rotating seat 17. When the accumulated water contacts the arc-shaped inner wall of the cleaning plate 18, a thrust is generated to rotate the rotating seat 17 as a whole. As the rotating seat 17 rotates, the cleaning plate 18 is driven to rotate, so that the water slides out from the inner wall of the active cavity 21 and is pressed into the discharge port 22, and finally falls into the discharge port 24 and is discharged to the outside, and then continues to turn into the inner wall of the active cavity 21 to form a circular rotation. During the rotation process, the large volume of debris remaining and accumulated at the discharge port 22 is cleaned;

[0055] When the lower sieve plate 15 comes into contact with the accumulated water, the small volume of debris in the accumulated water is filtered by the sieve holes 16, so that part of the accumulated water falls into the water storage chamber 3 for storage, and the remaining accumulated water carries the small volume of debris along the inclined surface of the lower sieve plate 15 and flows into the discharge port 26, and finally falls into the discharge port 24 and is discharged to the outside. When the rotating seat 17 rotates, it drives the synchronous ring 20 at the bottom to rotate synchronously, and the synchronous ring 20 drives the lower sieve plate 15 to rotate. The rotation of the lower sieve plate 15 generates vibration force, thereby shaking off the sand and other debris remaining on the surface of the lower sieve plate 15, and then it is carried by the accumulated water and discharged to the outside, thereby cleaning the small volume of debris, effectively preventing the problem of filter hole blockage. When the rainfall ends, the water pump in the spraying system 7 extracts the accumulated water stored in the water storage chamber 3 through multiple liquid extraction pipes 13, and discharges it into the water reservoir 2 from the nozzle end, thereby forming the function of storing and reusing water, which is environmentally friendly.

[0056] The above are only optional embodiments of the present disclosure and are not intended to limit the present disclosure. For those skilled in the art, the present disclosure may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present disclosure shall be included in the protection scope of the present disclosure.

Claims

1. A garden drainage system, characterized in that: The invention comprises a main body base (1), wherein a water reservoir (2) for planting plants is provided on the top of the main body base (1), a water storage chamber (3) is provided in the main body base (1) at the bottom of the water reservoir (2), a mounting seat (6) is fixedly provided on the top of the inner wall of the water storage chamber (3), a limit plate (8) is arranged around the surface of the mounting seat (6), a movable and retractable sealing sleeve (27) is fixedly provided around the top of the limit plate (8), an upper sieve plate (9) for preliminary screening of debris is arranged around the top of the sealing sleeve (27), and a lower sieve plate (15) for secondary screening of debris is arranged in the water storage chamber (3) below the upper sieve plate (9); A rotating seat (17) is rotatably arranged inside the mounting seat (6), and a plurality of cleaning plates (18) for cleaning debris are rotatably connected to the surface of the rotating seat (17). A synchronous ring (20) is fixedly arranged at the bottom of the rotating seat (17), and the outer surface of the synchronous ring (20) is fixedly connected to the middle of the lower screen plate (15) to form synchronous rotation.

2. A garden drainage system according to claim 1, characterized in that: The surface of the mounting seat (6) is provided with a plurality of discharge ports (22) at a position located at the top of the limiting plate (8), the sealing sleeve (27) surrounds and covers the plurality of discharge ports (22), and the plurality of discharge ports (22) all penetrate through the mounting seat (6) to provide an active cavity (21) inside.

3. A garden drainage system according to claim 1, characterized in that: The main body base (1) is provided with an inclined surface (4) at a position located on the bottom surface of the water reservoir (2); the main body base (1) is provided with a plurality of connecting openings (5) connected to the water storage chamber (3) at the bottom of the inclined surface (4); and the tops of the plurality of connecting openings (5) are extended to provide limiting grooves (25).

4. A garden drainage system according to claim 3, characterized in that: The top of the upper sieve plate (9) is fixedly provided with drainage grooves (10) at the positions of the multiple communication ports (5), and the multiple drainage grooves (10) are inserted through the communication ports (5) and plugged into the multiple limit grooves (25) one by one.

5. A garden drainage system according to claim 1, characterized in that: The upper end surface of the upper sieve plate (9) is surrounded by a plurality of arc-shaped sieve openings (11), and the plurality of arc-shaped sieve openings (11) all penetrate the upper sieve plate (9) and are connected with the lower sieve plate (15). The upper end surface of the upper sieve plate (9) is provided with guide blocks (12) on both sides of the plurality of drainage grooves (10).

6. A garden drainage system according to claim 1, characterized in that: The main body base (1) is provided with a water level limit (23) protruding from the bottom of the water storage chamber (3); a discharge port (24) is provided in the middle of the water level limit (23) that passes through the main body base (1) and communicates with the outside; the bottom of the lower sieve plate (15) abuts against the top of the water level limit (23).

7. A garden drainage system according to claim 6, characterized in that: The upper sieve plate (9) and the lower sieve plate (15) are both provided with through holes in the middle, and the through holes of the upper sieve plate (9) and the lower sieve plate (15) are aligned with the center of the discharge port (24).

8. A garden drainage system according to claim 1, characterized in that: A plurality of sieve holes (16) are formed through the surface of the lower sieve plate (15), and a second discharge port (26) is formed in a reserved space between the middle of the upper end surface of the lower sieve plate (15) and the limiting plate (8).

9. A garden drainage system according to claim 1, characterized in that: The surface of the rotating seat (17) is provided with a plurality of grooves, and the plurality of cleaning plates (18) are located in the plurality of grooves and are rotatably connected one by one. The surface of the rotating seat (17) is provided with torsion springs (19) at the positions of the plurality of cleaning plates (18), and the other ends of the plurality of torsion springs (19) are fixedly connected one by one to the plurality of cleaning plates (18).

10. A garden drainage system according to claim 1, characterized in that: A spraying system (7) is fixedly arranged on the top of the mounting seat (6); the output end of the spraying system (7) passes through the center of the inclined surface (4) and is located in the water reservoir (2); a plurality of liquid extraction pipes (13) are fixedly arranged on the top of the mounting seat (6) and surround the spraying system (7); the bottoms of the plurality of liquid extraction pipes (13) are all extended to be located at the bottom of the water storage chamber (3); and movable openings (14) are all provided on the surface of the upper sieve plate (9) at the positions of the liquid extraction pipes (13).

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