Self-cleaning drainage structure

Abstract

The utility model relates to a self-cleaning drainage structure, which comprises a base, a drainage pipe, a first drainage pipe and a second drainage pipe, and is characterized in that the surface formed by the base is a first surface; the flow dividing pipe is fixedly connected to the base, and the flow dividing pipe is provided with a blow-off pipeline; the filter screen is fixedly connected with the shunt pipe; the first filter layer is fixedly connected to the filter screen and is located on the side, away from the flow dividing pipe, of the filter screen when being observed in the direction parallel to the first surface; wherein impurities in the water flow pass through the first filter layer and enter the blow-off pipeline. And a blow-off pipeline is arranged on the flow dividing pipe, impurities in water flow enter the blow-off pipeline through the first filtering layer, and the internal impurities are cleaned through the drainage structure.

Description

Technical Field

[0001] This utility model relates to the field of building structures, and in particular to a self-cleaning drainage structure. Background Technology

[0002] With the advancement of urbanization, building density is constantly increasing, leading to a rise in domestic and industrial water consumption, making drainage issues increasingly important. Floor drains, as a basic drainage device, are primarily used for surface drainage and preventing water accumulation. Whether in residential, commercial, or industrial buildings, floor drains play a crucial role in rapid drainage and preventing flooding, making them an indispensable part of building drainage systems.

[0003] Currently, in scenarios such as kitchens, toilets, and bathrooms, water flow sometimes carries impurities such as hair, dander, and residue. Existing floor drains usually filter and divert these impurities, so over time, the inside and outside of the floor drain will often be clogged by impurities. External impurities may be easier to clean, but impurities stuck inside are difficult to clean, and too many impurities will reduce the drainage efficiency of the floor drain.

[0004] Therefore, it is necessary to provide a self-cleaning drainage structure that can effectively remove internal impurities. Utility Model Content

[0005] The purpose of this invention is to provide a self-cleaning drainage structure that can effectively remove internal impurities.

[0006] According to one aspect of the present invention, a self-cleaning drainage structure is provided, the drainage structure comprising:

[0007] The base, wherein the surface formed by the base is a first surface;

[0008] A diversion pipe is fixedly connected to the base, and the diversion pipe is equipped with a sewage discharge pipe;

[0009] The filter screen is fixedly connected to the diversion pipe;

[0010] The first filter layer is fixedly connected to the filter screen, and when viewed in a direction parallel to the first surface, the first filter layer is located on the side of the filter screen away from the diversion pipe;

[0011] Impurities in the water flow pass through the first filter layer and enter the sewage pipe.

[0012] More preferably, the self-cleaning drainage structure includes:

[0013] The second filter layer, when viewed in a direction parallel to the first surface, is located on the side of the first filter layer away from the diversion tube, and the second filter layer is fixedly connected to the first filter layer.

[0014] When viewed along a direction parallel to the first surface, a filter cavity is formed between the first filter layer and the second filter layer.

[0015] More preferably, the self-cleaning drainage structure further includes:

[0016] A baffle plate, viewed along a direction parallel to the first surface, is fixedly connected between the first filter layer and the diversion pipe;

[0017] The water flowing into the first filter layer flows along the baffle plate to the filter screen.

[0018] More preferably, the water flows into the drainage structure and passes sequentially through the second filter screen, the filter chamber, and the first filter screen before reaching the diversion pipe.

[0019] More preferably, the shunt tube further includes:

[0020] The drainage pipe, viewed along a direction perpendicular to the first surface, is surrounded by the sewage pipe and is located at the center of the branch pipe;

[0021] The filter screen is fixedly connected to the drainage pipe and the branch pipe.

[0022] More preferably, the water flowing into the first filter layer filters impurities through the filter screen;

[0023] Impurities are blocked by the filter screen and eventually enter the sewage pipe. The water that has been filtered of impurities flows through the filter screen into the drainage pipe.

[0024] More preferably, the base is threaded, and the diverter is also threaded, and the base and the diverter are fixedly connected by rotating to align the threads.

[0025] More preferably, the drainage structure filters out smaller impurities such as debris, sand, and mud through the second filter layer, while the drainage structure filters out larger impurities such as hair, food scraps, and paper scraps through the first filter layer.

[0026] More preferably, the drainage structure further includes:

[0027] An end cap is fixedly connected to the second filter layer, and when viewed in a direction perpendicular to the first surface, the end cap is located in the second filter layer.

[0028] More preferably, larger impurities such as hair, food residue, and paper scraps filtered by the first filter layer accumulate in the filter cavity;

[0029] The drainage structure allows the second filter layer to be removed by opening the end cap and the impurities in the filter cavity to be cleaned.

[0030] This utility model has the following beneficial effects:

[0031] The diversion pipe is equipped with a sewage pipe, and impurities in the water flow enter the sewage pipe after passing through the first filter layer. The drainage structure cleans up the internal impurities. Attached Figure Description

[0032] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0033] Figure 1 This is a three-dimensional structural diagram of the drainage structure according to one embodiment of the present utility model;

[0034] Figure 2 This is a three-dimensional exploded view of the drainage structure according to one embodiment of the present invention;

[0035] Figure 3 This is a cross-sectional schematic diagram of the drainage structure according to one embodiment of the present invention;

[0036] Figure 4 This is a top plan view of the drainage structure according to one embodiment of the present invention;

[0037] Figure 5 This is a top plan view of the diversion pipe in the drainage structure according to one embodiment of the present utility model;

[0038] Explanation of reference numerals: 100, drainage device; 10, base; 20, diversion pipe; 21, sewage pipe; 22, drainage pipe; 30, filter screen; 40, first filter layer; 50, second filter layer; 60, filter chamber; 70, baffle plate; 80, end cap; S1, first surface. Detailed Implementation

[0039] To facilitate understanding of this application, a more complete description will be provided below with reference to the accompanying drawings. Preferred embodiments of this application are shown in the drawings. However, this application can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this application.

[0040] It should be noted that when a component is said to be "fixed to" another component, it can be directly attached to the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0041] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the specification of this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0042] Please refer to Figure 1 - Figure 5 One embodiment of this utility model provides a self-cleaning drainage structure that can effectively clean internal impurities.

[0043] According to one aspect of the present invention, a self-cleaning drainage structure is provided, the drainage structure comprising: a base 10, a diversion pipe 20, a filter screen 30, and a first filter layer 40.

[0044] The surface formed by the base 10 is the first surface S1. The diversion pipe 20 is fixedly connected to the base 10, and the diversion pipe 20 is provided with a sewage discharge pipe 21. The filter screen 30 is fixedly connected to the diversion pipe 20. The first filter layer 40 is fixedly connected to the filter screen 30, and when viewed in a direction parallel to the first surface S1, the first filter layer 40 is located on the side of the filter screen 30 facing away from the diversion pipe 20. Impurities in the water flow pass through the first filter layer 40 and enter the sewage discharge pipe 21.

[0045] In this design, the first filter layer 40 is positioned on the side of the filter screen 30 facing away from the diversion pipe 20, ensuring it is the first point of contact with the water flow. This effectively filters larger impurities such as hair and food scraps, preventing them from entering the drain pipe 21 and causing blockages. Through this multi-layered filtration structure, the first filter layer 40 filters out larger impurities, while the subsequent filter screen 30 and, if present, the second filter layer 50, further filter smaller impurities. This layered filtration design improves filtration efficiency and ensures clean water flow. The first filter layer 40 blocks and removes most impurities at the top, reducing the burden on the lower filter screen 30, decreasing the overall system's blockage frequency, and extending maintenance intervals. By positioning the filter layer on the side of the filter screen 30 facing away from the diversion pipe 20, and designing a filter chamber and end cap 80 above it, users can easily clean accumulated impurities periodically. Users can open the end cap 80 to directly remove the filter layer for cleaning, making the operation simple. The first filter layer 40 pre-filters impurities before the water flows into the drain pipe 21, effectively protecting the drain pipe 21 and preventing large impurities from entering and causing blockages. By filtering out large impurities first, it is ensured that the subsequent drainage pipe 22 is not blocked, allowing water to flow quickly and smoothly through the drainage system, thus improving drainage efficiency.

[0046] More preferably, the self-cleaning drainage structure includes a second filter layer 50. Viewed along a direction parallel to the first surface S1, the second filter layer 50 is located on the side of the first filter layer 40 facing away from the diversion pipe 20, and the second filter layer 50 is fixedly connected to the first filter layer 40. Viewed along a direction parallel to the first surface S1, a filter cavity is formed between the first filter layer 40 and the second filter layer 50.

[0047] The first filter layer 40 primarily filters larger impurities such as hair, food scraps, and paper scraps. The second filter layer 50 filters smaller impurities such as sand and dirt. This multi-layer filtration ensures that impurities in the drainage are thoroughly removed, preventing clogging. When water flows through the first filter layer 40, larger impurities are blocked, while smaller impurities are carried into the second filter layer 50. This diverts impurities, reducing the pressure and burden on individual filter layers and improving filtration efficiency. The multi-layer filtration system effectively reduces clogging, extends the service life of the drainage structure, and lowers the frequency of cleaning and maintenance. The first filter layer 40 blocks larger impurities, making the second filter layer 50 less prone to clogging, thus improving the overall system durability. A filter chamber is formed between the first filter layer 40 and the second filter layer 50, facilitating regular cleaning of accumulated impurities between the filter layers. This chamber allows users to more easily remove and clean both the first and second filter layers, maintaining the cleanliness and smooth flow of the drainage system. The chamber design concentrates impurities in an easily cleanable area, and combined with a self-cleaning function, reduces manual intervention and enhances the automatic cleaning effect of the drainage system. Effective multi-layer filtration prevents impurities from entering the downstream sewage pipe 21, protecting the safe operation of the entire drainage system and avoiding blockages and damage caused by impurity accumulation. Multi-layer filtration ensures that water flows smoothly through the first filter layer 40 and the second filter layer 50, entering the diversion pipe 20 and the sewage pipe 21, significantly improving drainage efficiency and preventing water flow obstruction caused by impurity accumulation.

[0048] More preferably, the self-cleaning drainage structure further includes a baffle plate. Viewed along a direction parallel to the first surface S1, the baffle plate is fixedly connected between the first filter layer 40 and the diversion pipe 20. Water flowing into the first filter layer 40 flows along the baffle plate towards the filter screen 30.

[0049] The baffle plate effectively guides the water flow, directing it along a specific path and preventing erratic movement. This helps ensure the water flows evenly through the first filter layer 40 and the filter screen 30, thus improving filtration efficiency. By guiding the water flow towards the filter screen 30, the baffle plate allows for better coverage of the filter layer surface, ensuring more impurities are intercepted. This design contributes to improved filtration efficiency and effectiveness. The baffle plate prevents direct impact of the water flow on the filter screen 30 or filter layer, reducing impurity accumulation on the filter screen 30. This helps prevent clogging of the filter screen 30 and filter layer, extending their service life and reducing maintenance frequency. The baffle plate guides the water flow along a specific path, while the flushing action of the water flow promotes impurity discharge and enhances self-cleaning function. This reduces impurity accumulation on the filter layer and filter screen 30, keeping the system clean and unobstructed. By guiding the water flow, the baffle plate reduces the direct impact of the water flow on the filter layer and filter screen 30, reducing wear and damage and extending their service life. This is crucial for maintaining the long-term stable operation of the drainage structure. The baffle plate optimizes the drainage path, allowing water to flow more smoothly through the filter layer and filter screen 30 into the diversion pipe 20 and the sewage pipe 21. This helps improve the drainage efficiency of the entire drainage structure and prevents water flow obstruction caused by the accumulation of impurities.

[0050] More preferably, the water flows into the drainage structure and passes sequentially through the second filter screen 30, the filter chamber, and the first filter screen 30 to reach the diversion pipe 20.

[0051] In this process, the water first passes through the second filter layer 50, which intercepts larger impurities such as hair, food scraps, and paper scraps. This helps reduce the clogging of subsequent filter layers and pipes by larger impurities. After primary filtration, the water enters the filter chamber and then undergoes further filtration through the first filter layer 40, intercepting smaller impurities such as debris, sand, and dirt. This staged filtration improves overall filtration efficiency and ensures that larger impurities do not pass through the primary filter and cause clogging of subsequent filter layers. Through staged filtration, larger impurities are intercepted in the second filter layer 50, while smaller impurities are intercepted in the first filter layer 40. This setup reduces the burden on each filter screen 30, lowering the probability of clogging and extending the lifespan of the filter layers. Staged filtration ensures that each filter screen 30 can evenly withstand the pressure of the water flow and impurities, preventing any single filter screen 30 from being damaged or malfunctioning due to excessive impurity accumulation. Layer-by-layer filtration gradually cleans the water flow, reducing impurity content and thus improving overall filtration efficiency. This setup ensures that the water finally entering the diversion pipe 20 has undergone fine filtration with minimal impurity content. Layered filtration effectively reduces the recirculation and secondary pollution of impurities between filter layers, maintaining the cleanliness and hygiene of the drainage structure. This tiered filtration design facilitates maintenance and cleaning. Larger impurities concentrate in the second filter layer 50, making them easy to remove and clean. Smaller impurities concentrate in the first filter layer 40, requiring only regular cleaning to maintain normal system operation. Because the burden on each filter layer 30 is distributed and reduced, the overall system maintenance frequency and workload are correspondingly reduced, thereby improving system reliability and stability. After filtration through two layers of filter screens 30, impurities in the water flow are significantly reduced, ensuring that the water entering the diversion pipe 20 and the sewage pipe 21 is relatively clean. This helps prevent blockages in subsequent pipes, ensuring smooth operation of the entire drainage system. Reducing wear and damage to subsequent pipes and equipment helps extend the service life of the entire drainage system and lowers maintenance and replacement costs.

[0052] More preferably, the diversion pipe 20 further includes a drainage pipe 22. Viewed along a direction perpendicular to the first surface S1, the drainage pipe 22 is surrounded by the sewage pipe 21 and is located at the center of the diversion pipe 20. The filter screen 30 is fixedly connected to the drainage pipe 22 and the diversion pipe 20.

[0053] By placing the drainage pipe 22 at the center of the branch pipe 20 and surrounding it with the sewage pipe 21, a compact design for the entire drainage system can be achieved. This integrated structure reduces space occupancy, making it particularly suitable for space-constrained environments such as ships and building interiors. This design allows for centralized management and treatment of drainage and sewage, avoiding complex pipe layouts and reducing pipe crossings and interference. By fixing the filter screen 30 to both the drainage pipe 22 and the branch pipe 20, it ensures that water must be filtered before entering the drainage pipe 22. This dual filtration effectively intercepts impurities in the water flow, improving the overall filtration efficiency of the drainage system and ensuring cleaner discharged water. The fixed connection of the filter screen 30 to the drainage pipe 22 and the branch pipe 20 forms a closed filtration channel, preventing unfiltered water from directly entering the drainage pipe 22 and ensuring that all water undergoes thorough filtration. The fixed connection of the filter screen 30 to the drainage pipe 22 and the branch pipe 20 also facilitates its installation and removal. Maintenance personnel can easily remove and clean the filter screen 30 for regular maintenance and replacement, ensuring the normal operation of the filtration system. This fixed connection makes the filter screen 30 more stable, reducing displacement and deformation under water flow impact, thereby lowering the system failure rate and improving system reliability. The drain pipe 22 is positioned at the center of the branch pipe 20, optimizing the water flow path, reducing water resistance in the pipe, and improving drainage speed and efficiency. The drain pipe 22 is surrounded by the sewage pipe 21, forming a symmetrical structure that helps balance water pressure, reducing pipe vibration and wear caused by uneven water flow, thus extending the pipe's service life. The sewage pipe 21 surrounds the drain pipe 22, protecting it. External impurities and impacts first contact the sewage pipe 21, reducing direct damage to the drain pipe 22 and protecting more critical internal components. Through multi-layer filtration and centralized sewage discharge, the accumulation of impurities within the drain pipe 22 is reduced, lowering the risk of pipe blockage and ensuring smooth system operation.

[0054] More preferably, the water flowing into the first filter layer 40 is filtered for impurities by the filter screen 30. The impurities are blocked by their respective filter screens 30 and eventually enter the sewage pipe 21, while the water that has been filtered of impurities enters the drainage pipe 22 through the filter screen 30.

[0055] The combination of the first filter layer 40 and the filter screen 30 constitutes a dual filtration mechanism. The first filter layer 40 is mainly used to intercept larger impurities, such as hair and food residue, while the filter screen 30 further filters out finer impurities. This multi-layer filtration method can significantly improve filtration efficiency and ensure cleaner discharged water. The water flow first passes through the first filter layer 40, and then undergoes fine filtration through the filter screen 30. Step-by-step filtration reduces the burden on the filter screen 30, extends its service life, and reduces maintenance frequency. By intercepting large particles of impurities through the first filter layer 40, these impurities can be prevented from entering the sewage pipe 21, reducing the risk of blockage. This is crucial for maintaining the smooth operation of the drainage system. The multi-layer filtration design can significantly reduce the possibility of blockage in the drainage system, ensure long-term stable operation of the system, and improve system reliability. Impurities are intercepted separately by the first filter layer 40 and the filter screen 30, allowing impurities of different sizes to be managed separately. Large particles of impurities accumulate at the first filter layer 40, while fine impurities are intercepted by the filter screen 30. Maintenance personnel can more easily clean each layer of filter screen 30, reducing the amount of cleaning work. The dual filtration mechanism concentrates impurities in specific areas, reducing their distribution throughout the system and simplifying cleaning and maintenance. Multi-layer filtration effectively prevents large particles from entering the drain pipe 22, reducing impurity buildup and maintaining system smooth flow, preventing pressure drops and reduced drainage performance due to blockages. Multi-layer filtration ensures continuous and unobstructed water flow, helping to maintain drainage speed and preventing slowdowns caused by impurity buildup. Multi-layer filtration effectively protects critical components in the drainage system, preventing impurities from entering and accumulating, thus reducing wear and damage and extending system lifespan. Effective filtration and blockage prevention significantly reduce system failure rates, improving overall system reliability and durability.

[0056] More preferably, the base 10 is threaded, and the diverter pipe 20 is also threaded. By rotating to align the threads, the base 10 and the diverter pipe 20 are fixedly connected.

[0057] The threaded base 10 and diversion pipe 20 can be aligned and fixed by rotation, greatly simplifying the installation process. No complicated tools or operations are required, allowing users to quickly complete installation and disassembly, improving work efficiency. When replacement or maintenance of the drainage structure is needed, the threaded design makes disassembly very easy. Users can simply rotate the diversion pipe 20 to remove it from the base 10 for cleaning, replacement, or repair, reducing maintenance time and difficulty. The threaded connection provides high mechanical strength, ensuring a stable and reliable connection between the base 10 and the diversion pipe 20. During drainage system operation, even under impact or vibration, the threaded connection remains tightly fitted and is not easily loosened. The threaded connection achieves a good sealing effect, preventing water leakage at the connection point. This ensures the airtightness of the entire drainage system, improving system reliability and safety. The threaded connection design allows for fine-tuning of the angle of the diversion pipe 20 during installation to ensure alignment and fit with other components. This adjustability increases installation flexibility, allowing the system to adapt to different installation environments and requirements. The threaded connection design can adapt to bases 10 and distributor pipes 20 of different sizes and specifications; compatibility can be achieved simply by replacing the corresponding threaded fittings. This design is highly adaptable and facilitates standardized and modular production. The threaded connection method is relatively simple, with mature manufacturing processes and low production costs. It can reduce overall manufacturing costs and improve the product's market competitiveness while ensuring connection reliability. Due to its ease of installation and disassembly, maintenance does not require specialized tools or personnel, significantly reducing maintenance costs. At the same time, the stability and sealing of the threaded connection also reduce repair costs due to leaks or loosening. The threaded design makes installation and maintenance simple and intuitive, allowing users to easily complete operations without specialized knowledge or skills, thus improving the user experience. The user-friendly design improves the product's ease of use and reliability, reducing user frustration and inconvenience during installation and use, and increasing user satisfaction.

[0058] More preferably, the drainage structure filters out smaller impurities such as debris, sand, and mud through the second filter layer 50, and filters out larger impurities such as hair, food scraps, and paper scraps through the first filter layer 40.

[0059] By using two filter layers to handle impurities of different sizes, filtration efficiency can be significantly improved. Larger impurities such as hair, food scraps, and paper scraps are first blocked by the first filter layer 40, preventing them from entering subsequent filter layers and pipes. The first filter layer 40 handles larger impurities, preventing them from entering the second filter layer 50 and reducing the risk of clogging in subsequent filter layers and pipes. The second filter layer 50 mainly handles smaller debris, sand, and dirt, further improving the cleanliness of the drainage system. Since the first filter layer 40 has already blocked larger impurities, the second filter layer 50 only needs to handle smaller impurities, thus reducing its workload and extending its service life. This design reduces maintenance frequency and lowers maintenance costs. If larger impurities directly enter the second filter layer 50, it will increase the risk of wear and damage. By filtering through the first filter layer 40 first, wear on the second filter layer 50 is reduced, protecting its structural integrity. Water flows through the first filter layer 40 first, intercepting larger impurities, and the remaining water carries fewer impurities into the second filter layer 50, thus maintaining smooth water flow, reducing resistance, and increasing drainage speed. The first filter layer 40 effectively intercepts larger impurities, preventing them from accumulating in the second filter layer 50 and pipes, thus preventing blockages and improving the reliability and stability of the drainage system. Since the two filter layers handle impurities of different sizes, users can clean each layer separately, making operation more convenient. Larger impurities are easy to clean, while smaller impurities can be handled by periodically cleaning the second filter layer 50. The first filter layer 40 intercepts most of the larger impurities, reducing the frequency of cleaning the second filter layer 50 and making maintenance easier. A filter chamber is formed between the first and second filter layers 40, effectively isolating impurities of different sizes and preventing large impurities from entering subsequent filter layers, reducing the risk of secondary pollution. Through staged filtration, the water quality of the drainage system can be maintained, preventing impurity accumulation, odor, or bacterial growth.

[0060] More preferably, the drainage structure further includes an end cap 80. The end cap 80 is fixedly connected to the second filter layer 50, and when viewed in a direction perpendicular to the first surface S1, the end cap 80 is located in the second filter layer 50.

[0061] The end cap 80 effectively seals the openings of the filter layer and drainage system, preventing impurities from escaping during cleaning or water flow, thus maintaining filtration efficiency and the cleanliness of the drainage system. The end cap 80 ensures that filtered impurities remain within the filter layer, preventing them from entering the drainage pipe 22 and avoiding blockages and contamination. When cleaning the filter layer, the second filter layer 50 can be removed by opening the end cap 80 to directly handle accumulated impurities. This design makes maintenance operations more convenient and quick, reducing cleaning difficulty. The end cap 80 isolates impurities within the filter layer during maintenance, reducing direct contact between cleaning personnel and contaminants, improving the hygiene and safety of the cleaning process. The end cap 80 is fixedly connected to the second filter layer 50, increasing the structural stability of the filter layer and preventing displacement or loosening under water flow impact, thus ensuring stable and continuous filtration. Under water flow impact and impurity accumulation, the end cap 80 provides additional support, preventing filter layer deformation or damage and extending the service life of the filter layer and the entire drainage structure. The end cap 80 guides water flow through the filter layer and drain pipe 22, reducing water flow turbulence and resistance, and improving drainage efficiency. During large-volume or rapid drainage, the end cap 80 prevents water splashing, keeping the drainage system clean and the surrounding environment tidy.

[0062] More preferably, larger impurities such as hair, food scraps, and paper scraps filtered by the first filter layer 40 accumulate in the filter cavity. The drainage structure removes the second filter layer 50 by opening the end cap 80 and cleans the impurities in the filter cavity.

[0063] The first filter layer 40 primarily filters larger impurities such as hair, food scraps, and paper scraps, while the second filter layer 50 filters smaller debris, sand, and dirt. This multi-layered filtration structure ensures that various impurities in the water flow are effectively filtered, improving the overall filtration efficiency of the drainage system. Larger impurities accumulate in the first filter layer 40, preventing them from entering the second filter layer 50 and the drain pipe 21, thus reducing the possibility of clogging. Layered filtration effectively disperses the accumulation of impurities, reducing the pressure on each layer and the difficulty of cleaning. A filter chamber is formed between the first filter layer 40 and the second filter layer 50, which is the main area for impurity accumulation. The design of the filter chamber prevents impurities from directly entering the drain pipe 21, concentrating them in an easily cleanable location. The end cap 80 allows for easy removal of the second filter layer 50, enabling direct cleaning of the impurities in the filter chamber. This design simplifies and speeds up maintenance and cleaning, reducing cleaning time and labor intensity. Larger impurities are intercepted by the first filter layer 40, reducing the pressure on the second filter layer 50 and preventing premature clogging or damage. By distributing the workload of impurity filtration, the service life of the filter layer can be extended. Effective multi-layer filtration and impurity accumulation prevent larger impurities from directly entering the sewage pipe 21, protecting it from blockage and damage, thus extending the service life of the entire drainage system. Impurities are concentrated in the filter chamber, preventing them from spreading throughout the drainage system and maintaining its cleanliness and hygiene. The end cap design of 80 prevents impurities from overflowing or scattering during cleaning, reducing secondary pollution and improving the safety and hygiene of the cleaning process. Layered filtration and the filter chamber design not only improve the filtration effect but also optimize water flow, reducing resistance and turbulence, and maintaining smooth drainage. This setup allows for flexible adjustment of the filter layer material and structure according to specific needs, adapting to different environments and application scenarios, improving design flexibility and applicability.

[0064] Thus, a sewage pipe 21 is provided through the diversion pipe 20, and impurities in the water flow enter the sewage pipe 21 after passing through the first filter layer 40, and the drainage structure cleans the internal impurities.

[0065] The embodiments described above are merely examples of several implementations of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these modifications and improvements all fall within the scope of protection of this application.

Claims

1. A self-cleaning drainage structure, characterized by, The drainage structure comprises: a base, a surface of which is a first surface; a shunt pipe fixedly connected to the base, the shunt pipe being provided with a sewage pipe; a filter screen fixedly connected to the shunt pipe; a first filter layer fixedly connected to the filter screen, and, as viewed in a direction parallel to the first surface, the first filter layer is located on a side of the filter screen away from the shunt pipe; wherein impurities in the water flow pass through the first filter layer and enter the sewage pipe.

2. The self-cleaning drainage structure according to claim 1, wherein The self-cleaning drainage structure comprises: a second filter layer, as viewed in a direction parallel to the first surface, the second filter layer is located on a side of the first filter layer away from the shunt pipe, and the second filter layer is fixedly connected to the first filter layer; wherein, as viewed in a direction parallel to the first surface, a filter cavity is formed between the first filter layer and the second filter layer.

3. The self-cleaning drainage structure according to claim 2, wherein The self-cleaning drainage structure further comprises: a flow baffle, as viewed in a direction parallel to the first surface, the flow baffle is fixedly connected between the first filter layer and the shunt pipe; wherein the water flow entering the first filter layer flows along the flow baffle to the filter screen.

4. The self-cleaning drainage structure according to claim 3, wherein The water flow enters the drainage structure, and passes through the second filter layer, the filter cavity, the first filter layer and the shunt pipe in sequence.

5. The self-cleaning drainage structure according to claim 1, wherein The shunt pipe further comprises: a drainage pipe, as viewed in a direction perpendicular to the first surface, the drainage pipe is surrounded by the sewage pipe and located at the center of the shunt pipe; wherein the filter screen is fixedly connected to the drainage pipe through the shunt pipe.

6. A self-cleaning drainage structure according to claim 5, wherein The water flow flowing into the first filter layer is filtered by the filter screen; wherein the impurities are blocked by the filter screen and finally enter the sewage pipe, and the water flow filtered of impurities enters the drainage pipe through the filter screen.

7. The self-cleaning drainage structure according to claim 1, wherein The base is provided with threads, and the shunt pipe is also provided with threads, the base and the shunt pipe are fixedly connected by rotating the threads in alignment.

8. The self-cleaning drainage structure according to claim 2, wherein The drainage structure further comprises: an end cover fixedly connected to the second filter layer, and, as viewed in a direction perpendicular to the first surface, the end cover is located in the second filter layer.

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