Building drainage device not prone to being blocked

The drainage device with a rotating cleaning component addresses clogging issues by automatically cleaning the filter, ensuring uninterrupted drainage and reduced maintenance.

CN223103776UActive Publication Date: 2025-07-15LISHUI TONGLING CONSTRUCTION DEVELOPMENT CO LTD
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Patent Information

Application Number
CN202422823619.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-18
Publication Date
2025-07-15
Estimated Expiration
2034-11-18

AI Technical Summary

Technical Problem

Existing building drainage pipes are easily blocked by garbage blocked by the filter, affecting drainage circulation.

Method used

Filters are installed on the drain pipe and are equipped with cleaning components, including rotary shafts and blades. The rotary shaft is driven to rotate by water flow, and the filter surface is automatically cleaned. Combined with the bottom wall and side wall filter hole design, expanding the filter area and strengthening structural stability.

Benefits of technology

Effectively intercept impurities, reduce clogging risks, improve filtration efficiency and system stability, reduce maintenance frequency and cost, and ensure fluid quality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223103776U_ABST
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Abstract

The utility model belongs to the technical field of building drainage system accessories, and particularly relates to a building drainage device not prone to being blocked. The utility model provides a building drainage device not easy to block, and aims to solve the problem that a drainage pipe of a building is easy to block in the prior art. A building drainage device not prone to blockage comprises a vertically-arranged drainage pipe, a filter is arranged at the upper end of the drainage pipe, and a cleaning assembly for cleaning the filter is arranged in the filter; the filter is arranged at the upper end of the drainage pipe, so that impurities, particulate matters and the like in fluid can be effectively intercepted and removed and are prevented from entering the drainage pipe to cause blockage. Through the arrangement of the filter, the amount of dirt entering the drainage pipe is greatly reduced, and therefore the risk that the drainage system is blocked is remarkably reduced. Through the design of the cleaning assembly in the device, the blades on the rotating shaft can automatically rotate along with fluid driven by the paddles, and then the surface of the filter is cleaned.
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Description

Technical Field

[0001] The utility model belongs to the technical field of building drainage system fittings, and particularly relates to a building drainage device that is not easily blocked. Background Art

[0002] Pipes need to be installed on buildings for drainage. When draining water, a large amount of domestic waste is contained in the rainwater. Therefore, a filter screen needs to be installed in the pipe to block the waste to prevent it from entering large underground deep pipes such as the main water pipe. However, over time, the waste continuously blocked by the filter screen will block the pipe, which hinders the flow of drainage water. Therefore, the drain pipes of existing buildings are prone to blockage. Content of the Utility Model

[0003] The utility model provides a building drainage device that is not easily blocked, aiming to solve the problem that the drain pipes of existing buildings are prone to blockage.

[0004] To solve the above technical problems, the technical solution adopted by the utility model is as follows:

[0005] A building drainage device that is not easily blocked, including a vertically arranged drain pipe, a filter is arranged at the upper end of the drain pipe, and a cleaning component for cleaning the filter is arranged inside the filter;

[0006] The filter is fixed to the upper end of the drain pipe by screws. The cleaning component includes a rotating shaft rotatably connected to the filter, and blades for cleaning the filter are arranged on the rotating shaft. The blades are located on the upper side of the filter;

[0007] The lower end of the rotating shaft extends into the drain pipe, and a paddle is arranged at the lower end of the rotating shaft. The paddle is fixed to the lower end of the rotating shaft. The water filtered by the filter and input into the drain pipe drives the rotating shaft to rotate through the paddle, and the rotating shaft drives the blades to clean the filter.

[0008] Further improved scheme: The filter includes a bottom wall covering the upper end of the drain pipe, and the filter further includes a side wall arranged around the bottom wall. Filter holes are arranged on both the bottom wall and the side wall.

[0009] Based on the above technical solution: The filter holes provided on both the bottom wall and the side wall can ensure that when the fluid flowing through the drain pipe passes through the filter, impurities, particulate matters, etc. in it are effectively intercepted inside the filter. This design improves the filtering efficiency, enabling the fluid to undergo more sufficient filtering treatment before flowing out of the drain pipe. The arrangement of the filter holes helps to disperse the impurities in the fluid, preventing them from accumulating concentratedly at the drain pipe outlet or inside the pipe, thereby reducing the risk of blockage. By extending the filtering area to the side wall, the accommodation space for impurities is further increased, and the service life of the filter is prolonged.

[0010] Further improved solution: The bottom wall and the side wall are of an integral structure, and a shaft hole cooperating with the rotating shaft is further provided on the bottom wall, and a rolling bearing is arranged between the rotating shaft and the shaft hole.

[0011] Based on the above technical solution: The use of an integral structure for the bottom wall and the side wall makes the entire filter more compact and stable in structure. This design reduces seams and complex joints, lowering the risks of leakage and cracking, thereby improving the overall strength and durability of the filter. The rolling bearing configured between the rotating shaft and the shaft hole can significantly reduce friction and wear, making the rotating shaft rotate more smoothly. The rolling bearing features high precision and low friction, contributing to improving the operating precision and stability of the system. The use of the rolling bearing extends the service life of the rotating shaft and the shaft hole, reducing the maintenance and replacement frequency caused by wear.

[0012] Further improved solution: The rolling bearing is a deep groove ball bearing that can bear both axial and radial forces simultaneously. The outer ring of the rolling bearing is welded to the bottom wall, and the inner ring of the rolling bearing is welded to the rotating shaft.

[0013] Based on the above technical solution: Due to its structural characteristics, the deep groove ball bearing can bear both axial and radial loads, enabling the filter to maintain stable performance under complex and changeable working conditions. The welding connection method further enhances the connection strength between the bearing and the bottom wall and the rotating shaft, improving the overall load-bearing capacity. The deep groove ball bearing has the characteristics of high precision and low friction, ensuring that the rotating shaft remains stable during rotation, reducing vibration and noise. The welding connection avoids the possible loosening and clearance problems in traditional connection methods, further improving the operating precision and stability.

[0014] Further improved solution: There are at least three blades, and at least three blades are welded to the lower end of the rotating shaft, and the blades are evenly arranged along the circumferential direction of the rotating shaft.

[0015] Based on the above technical solution: Multiple blades are evenly distributed along the circumference of the rotating shaft. When impacted by water flow, they can capture the energy of the water flow more effectively and convert it into the rotational power of the rotating shaft. The evenly distributed blades contribute to forming a more uniform fluid flow, reducing vortex and turbulence phenomena, and thus reducing energy loss.

[0016] Further improved solution: The blade is inserted into the rotating shaft through a seat body. There are at least two blades, and at least two blades are evenly distributed on the seat body along the circumferential direction of the seat body.

[0017] Based on the above technical solution: The blade is inserted into the rotating shaft through a seat body, forming a modular connection method. This design enables the blade to be easily disassembled and installed from the seat body without complex disassembly of the entire rotating shaft. When the blade needs to be replaced due to wear, corrosion, or other reasons, the user can quickly complete the replacement work, reducing maintenance costs and time.

[0018] Further improved solution: The seat body is provided with a jack, the cross-sectional shape of the jack is polygonal, and the upper end of the rotating shaft is provided with a plug-in portion that cooperates with the jack.

[0019] Based on the above technical solution: The matching design of the polygonal jack and the plug-in portion provides a very stable connection method. The polygonal structure itself has a self-locking characteristic, which can prevent the plug-in portion from rotating or moving in the jack to a certain extent, thus ensuring the stable installation of the blade on the rotating shaft. This stable connection helps to reduce the risk of the blade loosening or falling off due to vibration or fluid impact, improving the overall stability and reliability of the filter.

[0020] Further improved solution: The plug-in portion and the rotating shaft are of an integral structure, and the axis of the inscribed circle of the plug-in portion is coaxially arranged with the axis of the rotating shaft.

[0021] Based on the above technical solution: There is no seam or connecting piece between the integral plug-in portion and the rotating shaft, so stress can be transmitted and dispersed more effectively. This design significantly enhances the strength and stability of the entire structure, making the filter more reliable when withstanding external forces such as fluid impact and vibration. Since the axis of the inscribed circle of the plug-in portion is coaxially arranged with the axis of the rotating shaft, the smoothness and consistency of the blade during rotation are ensured. This design helps to reduce friction and vibration caused by axis offset, thereby improving transmission efficiency and accuracy.

[0022] Further improved solution: The blade includes a bottom cleaning rod for cleaning the bottom wall and a side cleaning rod for cleaning the side wall. Cleaning brushes are provided on both the bottom cleaning rod and the side cleaning rod. The cleaning brush on the bottom cleaning rod contacts the bottom wall, and the cleaning brush on the side cleaning rod contacts the side wall.

[0023] Based on the above technical solution: The combined design of the bottom cleaning rod and the side cleaning rod ensures that both the inner bottom wall and the side wall of the filter can be comprehensively and effectively cleaned. The setting of the cleaning brush further enhances the cleaning effect and can deeply remove dirt, impurities, and particulate matter attached to the bottom wall and the side wall. By regularly cleaning the bottom wall and the side wall, the accumulated dirt and impurities can be removed, keeping the filter unobstructed. This helps to improve the filtering efficiency of the filter and ensures that the fluid can undergo more thorough filtering before flowing out of the filter.

[0024] Further improved solution: The cleaning brush on the side cleaning rod contacts the outer side of the side wall.

[0025] Based on the above technical solution: The direct contact between the cleaning brush and the outer side of the side wall ensures that dirt, deposits, or residues on the side wall can be effectively removed. This contact method avoids cleaning blind spots and improves the cleaning efficiency and quality. By regularly using the side cleaning rod and the cleaning brush for cleaning, the service life of the filter can be extended, and equipment failures or performance degradation caused by dirt accumulation can be reduced. This helps to reduce maintenance costs and improve the reliability and stability of the equipment.

[0026] The beneficial effects of the present utility model are:

[0027] By setting a filter at the upper end of the drain pipe, the present utility model can effectively intercept and remove impurities, particulate matter, etc. in the fluid, preventing them from entering the inside of the drain pipe and causing blockage. Through the setting of the filter, the amount of dirt entering the drain pipe is greatly reduced, thereby significantly reducing the risk of blockage in the drainage system.

[0028] The design of the cleaning component in the device enables the blades on the rotating shaft to automatically rotate as the fluid passes through the drive of the paddle blades, thereby cleaning the surface of the filter. This automatic cleaning function not only improves the maintenance efficiency but also reduces the frequency and cost of manual cleaning, making the maintenance of the drainage device more convenient and economical.

[0029] The design of the rotating shaft and the paddle blades helps to optimize the flow of the fluid inside the filter, reduce turbulence and vortex phenomena, thereby reducing energy loss and improving the filtering efficiency. At the same time, the rotation of the blades can also promote the fluid renewal on the surface of the filter, helping to prevent dirt from staying and accumulating on the filter for a long time.

[0030] The filter is fixed to the upper end of the drain pipe by screws. This connection method is not only simple and reliable but also can ensure the stability and durability of the filter during long-term use.

[0031] Through the combined action of the filter and the cleaning component, the device can ensure that the fluid is fully filtered and cleaned before being discharged. This not only improves the drainage efficiency but also guarantees the quality of the discharged fluid, helping to reduce environmental pollution and ecological damage. Brief Description of the Drawings

[0032] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model and should not be regarded as a limitation of the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0033] Figure 1 It is a schematic diagram of the internal structure of a building drainage device that is not easily blocked according to the present utility model.

[0034] Figure 2 It is a schematic diagram of a building drainage device that is not easily blocked according to the present utility model.

[0035] Figure 3 It is a schematic diagram of the cleaning component in a building drainage device that is not easily blocked according to the present utility model.

[0036] Figure 4 It is a schematic diagram of the filter in a building drainage device that is not easily blocked according to the present utility model.

[0037] Explanation of the reference numerals in the drawings:

[0038] 1 - Drain pipe; 2 - Filter; 3 - Cleaning component; 4 - Rotating shaft; 5 - Blade; 6 - Paddle; 7 - Bottom wall; 8 - Side wall; 9 - Seat body; 10 - Insertion part; 11 - Bottom cleaning rod; 12 - Side cleaning rod. Detailed Embodiments

[0039] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the protection scope of the present utility model.

[0040] Refer to Figures 1 to 4 , a building drainage device that is not easily blocked, including a vertically arranged drain pipe 1, a filter 2 is provided at the upper end of the drain pipe 1, and a cleaning component 3 for cleaning the filter 2 is provided inside the filter 2;

[0041] The filter 2 is fixed to the upper end of the drain pipe 1 by screws. The cleaning assembly 3 includes a rotating shaft 4 rotatably connected to the filter 2. A blade 5 for cleaning the filter 2 is provided on the rotating shaft 4, and the blade 5 is located above the filter 2.

[0042] The lower end of the rotating shaft 4 extends into the drain pipe 1. A paddle 6 is provided at the lower end of the rotating shaft 4, and the paddle 6 is fixed to the lower end of the rotating shaft 4. The water filtered by the filter 2 and input into the drain pipe 1 drives the rotating shaft 4 to rotate through the paddle 6, and the rotating shaft 4 drives the blade 5 to clean the filter 2.

[0043] Wherein: The filter 2 includes a bottom wall 7 covering the upper end of the drain pipe 1. The filter 2 further includes a side wall 8 arranged around the bottom wall 7. Filter holes are provided on both the bottom wall 7 and the side wall 8.

[0044] The bottom wall 7 and the side wall 8 are of an integral structure. A shaft hole for cooperating with the rotating shaft 4 is further provided on the bottom wall 7, and a rolling bearing is provided between the rotating shaft 4 and the shaft hole.

[0045] Specifically: The rolling bearing is a deep groove ball bearing that can bear both axial and radial forces. The outer ring of the rolling bearing is welded to the bottom wall 7, and the inner ring of the rolling bearing is welded to the rotating shaft 4.

[0046] Wherein: There are at least three paddles 6. At least three paddles 6 are welded to the lower end of the rotating shaft 4, and the paddles 6 are evenly arranged along the circumferential direction of the rotating shaft 4.

[0047] The blade 5 is inserted into the rotating shaft 4 through a seat body 9. There are at least two blades 5, and at least two blades 5 are evenly distributed on the seat body 9 along the circumferential direction of the seat body 9.

[0048] Specifically: A jack is provided on the seat body 9. The cross-sectional shape of the jack is polygonal, and a plug-in portion 10 for cooperating with the jack is provided at the upper end of the rotating shaft 4.

[0049] The plug-in portion 10 and the rotating shaft 4 are of an integral structure, and the axis of the inscribed circle of the plug-in portion 10 is coaxially arranged with the axis of the rotating shaft 4.

[0050] Wherein: The blade 5 includes a bottom cleaning rod 11 for cleaning the bottom wall 7 and a side cleaning rod 12 for cleaning the side wall 8. Cleaning brushes are provided on both the bottom cleaning rod 11 and the side cleaning rod 12. The cleaning brush on the bottom cleaning rod 11 contacts the bottom wall 7, and the cleaning brush on the side cleaning rod 12 contacts the side wall 8.

[0051] Specifically, the cleaning brush on the side cleaning rod 12 contacts the outer side of the side wall 8.

[0052] The cleaning brush on the side cleaning rod 12 can also contact the inner side of the side wall 8.

[0053] Working principle of this embodiment:

[0054] When fluids such as rainwater or wastewater encounter the filter 2 located at the upper end of the drain pipe 1, the filter 2 can intercept impurities, particulate matters, suspended matters, etc. in the fluid, preventing them from entering the interior of the drain pipe 1, thereby playing a role in initially purifying the fluid.

[0055] The filtered fluid continues to flow downward and enters the interior of the drain pipe 1. Inside the drain pipe 1, a paddle 6 is fixed to the lower end of the rotating shaft 4. When the fluid flows through the paddle 6, it will generate an impact force on it, thereby driving the paddle 6 to rotate. The rotation of the paddle 6 is transmitted to the blade 5 located above the filter 2 through the rotating shaft 4. Since the rotating shaft 4 is rotatably connected to the filter 2, the blade 5 will also rotate accordingly. As the blade 5 rotates, they will continuously scrape the surface of the filter 2, removing impurities, dirt, etc. attached to it. This automatic cleaning mechanism effectively prevents the problem of the filter 2 being blocked due to long-term use, ensuring the unobstructed drainage system.

[0056] As long as the fluid continuously flows into the drain pipe 1, the above process will be continuously repeated. The paddle 6 continuously rotates under the drive of the fluid, driving the blade 5 to continuously clean the filter 2. This design not only simplifies the maintenance process of the drainage system but also improves the drainage efficiency and reduces the maintenance cost caused by blockage.

[0057] The present utility model is not limited to the above optional implementation manners. On the premise of not conflicting with each other, the various solutions can be arbitrarily combined; anyone can obtain other various forms of products under the inspiration of the present utility model. However, no matter what changes are made in its shape or structure, as long as the technical solutions fall within the scope defined by the claims of the present utility model, they all fall within the protection scope of the present utility model.

Claims

1. A building drainage device that is not easily blocked, characterized in that: It includes a vertically arranged drain pipe, a filter is provided at the upper end of the drain pipe, and a cleaning component for cleaning the filter is provided inside the filter; The filter is fixed to the upper end of the drain pipe by screws. The cleaning component includes a rotating shaft rotatably connected to the filter. Blades for cleaning the filter are provided on the rotating shaft, and the blades are located on the upper side of the filter; The lower end of the rotating shaft extends into the drain pipe. A paddle is provided at the lower end of the rotating shaft, and the paddle is fixed to the lower end of the rotating shaft. The water filtered by the filter and input into the drain pipe drives the rotating shaft to rotate through the paddle, and the rotating shaft drives the blades to clean the filter.

2. The drainage device for buildings that is not easily blocked according to claim 1, characterized in that: The filter includes a bottom wall covering the upper end of the drain pipe. The filter further includes a side wall arranged around the bottom wall, and filter holes are provided on both the bottom wall and the side wall.

3. The drainage device for buildings that is not easily blocked according to claim 2, characterized in that: The bottom wall and the side wall are of an integral structure. An axial hole for cooperating with the rotating shaft is further provided on the bottom wall, and a rolling bearing is provided between the rotating shaft and the axial hole.

4. The drainage device for buildings that is not easily blocked according to claim 3, characterized in that: The rolling bearing is a deep groove ball bearing that can bear both axial and radial forces. The outer ring of the rolling bearing is welded to the bottom wall, and the inner ring of the rolling bearing is welded to the rotating shaft.

5. The drainage device for buildings that is not easily blocked according to claim 4, characterized in that: There are at least three paddles. At least three paddles are welded to the lower end of the rotating shaft, and the paddles are evenly arranged along the circumferential direction of the rotating shaft.

6. The drainage device for buildings that is not easily clogged according to claim 2, wherein: The blades are inserted onto the rotating shaft through a seat body. There are at least two blades. At least two blades are evenly distributed on the seat body along the circumferential direction of the seat body.

7. The non-clogging building drainage device according to claim 6, wherein: The seat body is provided with an insertion hole, and the cross-sectional shape of the insertion hole is polygonal. The upper end of the rotating shaft is provided with an insertion portion for cooperating with the insertion hole.

8. The drainage device for buildings that is not easily blocked according to claim 7, characterized in that: The insertion portion and the rotating shaft are of an integral structure, and the axis of the inscribed circle of the insertion portion is coaxially arranged with the axis of the rotating shaft.

9. The drainage device for buildings that is not easily blocked according to claim 8, wherein: The blades include a bottom cleaning rod for cleaning the bottom wall and a side cleaning rod for cleaning the side wall. Cleaning brushes are provided on both the bottom cleaning rod and the side cleaning rod. The cleaning brush on the bottom cleaning rod contacts the bottom wall, and the cleaning brush on the side cleaning rod contacts the side wall.

10. The drainage device for buildings that is not easily blocked according to claim 9, characterized in that: The cleaning brush on the side cleaning rod contacts the outer side of the side wall.