Filtering device for municipal water supply and drainage
By designing a municipal water supply and drainage filtration device with quick-disassembly and anti-clogging components, the problem of time-consuming and labor-intensive filter replacement in traditional devices has been solved, achieving efficient filter replacement and impurity removal, and extending the service life of the device.
Patent Information
- Application Number
- CN202520392842.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-07
AI Technical Summary
Traditional municipal water supply and drainage filtration devices require the use of auxiliary tools to remove bolts when replacing the filter screen, which is time-consuming, labor-intensive, and inefficient.
A filtration device was designed, comprising a sleeve, a baffle, a filter barrel, a disassembly and assembly component, and an anti-clogging component. The disassembly and assembly component enables quick disassembly and assembly of the filter barrel, and the anti-clogging component utilizes water flow impact to drive a scraper to remove impurities and prevent clogging.
It enables quick filter replacement and effective removal of impurities, improves operational efficiency, extends the service life of the filtration device, and avoids clogging.
Smart Images

Figure CN223800163U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to filter device field especially relates to a filter device for municipal water supply and drainage. BACKGROUND
[0002] The municipal water supply and drainage system is an important part of urban infrastructure, responsible for water supply, rainwater discharge and sewage treatment in the city, the water supply system transports clean water source to residents and industrial users through pipelines, ensuring daily life and production needs, and the drainage system includes rainwater and sewage collection, transportation and treatment, avoiding water pollution and protecting environmental health, a good municipal water supply and drainage system can improve urban life quality, prevent floods and pollution and improve the sustainable development capacity of the city.
[0003] The filter device is a kind of equipment for removing impurities in liquid or gas, widely used in water treatment, air purification, industrial production and other fields, and its principle is to separate harmful substances such as pollutants, particulate matter and bacteria by physical or chemical methods, common filter devices include activated carbon filter, sand filter and bag filter, different types of filters meet different needs, and the effectiveness of filter device is directly related to purification effect, regular replacement or cleaning of filter medium is the key to ensure normal operation and prolong service life.
[0004] When supplying water to residential buildings, a large-flow filter is installed at the total water inlet, and solid impurities are intercepted by the filter screen inside the filter, which can effectively improve water quality and water safety, wherein the filter screen needs to be cleaned or replaced regularly, but the traditional filter needs to be disassembled by auxiliary tools to remove the filter screen, which is time-consuming, labor-intensive and low in efficiency, therefore, a filter device for municipal water supply and drainage is proposed to solve the above problems. UTILITY MODEL CONTENT
[0005] In order to make up for the above shortcomings, the utility model provides a filter device for municipal water supply and drainage, aiming at improving the problem that the traditional filter needs to be disassembled by auxiliary tools to remove the filter screen, which is time-consuming, labor-intensive and low in efficiency.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a filter device for municipal water supply and drainage, including sleeve, the sleeve top is installed with top cover, the sleeve inner wall is fixedly connected with partition, the partition inside is slidably connected with multiple filter barrels, the filter barrel top is installed with dismounting assembly, the filter barrel inside is installed with anti-blocking assembly;
[0007] The disassembling assembly comprises two clamping blocks and a pressing plate, the clamping blocks are fixedly connected at the top of the partition plate, the pressing plate is slidably connected at the inner side of the partition plate, a spring one is fixedly connected at the top of the pressing plate, a top rod is fixedly connected at the top of the spring one, a sliding rod is fixedly connected at the bottom of the top rod, and a limiting rod is slidably connected at the outer side of the sliding rod.
[0008] As a further description of the above technical solution:
[0009] The anti-blocking assembly comprises a rotating rod, the rotating rod is rotatably connected at the bottom of the pressing plate, a plurality of blades are fixedly connected at the upper side of the rotating rod, a plurality of connecting rods are fixedly connected at the outer side of the rotating rod, a sleeve is fixedly connected between the outer sides of the connecting rods on the same side, a plurality of springs two are fixedly connected at the inner wall of the sleeve, a sliding plate is fixedly connected between the outer sides of the springs two, and a scraper is fixedly connected at the outer side of the sliding plate.
[0010] As a further description of the above technical solution:
[0011] The bottom of the pressing plate and the top of the filter barrel are abutted, and the outer side of the top rod and the inner side of the clamping block are clamped.
[0012] As a further description of the above technical solution:
[0013] The bottom of the limiting rod is fixedly connected at the top of the pressing plate, and the outer side of the sliding rod is sleeved in the inner side of the spring one.
[0014] As a further description of the above technical solution:
[0015] The outer side of the limiting rod is sleeved in the inner side of the spring one.
[0016] As a further description of the above technical solution:
[0017] The bottom of the rotating rod is rotatably connected at the inner bottom wall of the filter barrel, and the outer side of the sliding plate is slidably connected at the inner wall of the sleeve.
[0018] As a further description of the above technical solution:
[0019] The outer side of the scraper is slidably connected in the inner side of the sleeve, and the outer side of the scraper is slidably connected at the inner wall of the filter barrel.
[0020] As a further description of the above technical solution:
[0021] The blades are concentrically and equidistantly distributed.
[0022] The utility model has the advantages of the following:
[0023] 1. The utility model discloses a filter barrel can be quickly disassembled, and the inside of the filter barrel is cleaned conveniently through the filter barrel.
[0024] 2. The utility model discloses a filter barrel can be quickly disassembled, and the inside of the filter barrel is cleaned conveniently through the filter barrel. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 A three-dimensional schematic view of the filter device for municipal water supply and drainage is provided for the utility model;
[0026] Figure 2 A structural schematic view of the filter barrel of the filter device for municipal water supply and drainage is provided for the utility model;
[0027] Figure 3 A structural schematic view of the sleeve of the filter device for municipal water supply and drainage is provided for the utility model;
[0028] Figure 4 A Figure 3 An enlarged view of position A in the utility model;
[0029] Figure 5 A structural schematic view of the pressing plate of the filter device for municipal water supply and drainage is provided for the utility model;
[0030] Figure 6 A structural schematic view of the scraper of the filter device for municipal water supply and drainage is provided for the utility model.
[0031] LEGEND:
[0032] 1, sleeve; 2, top cover; 3, partition; 4, filter barrel; 5, scraper; 6, clamping block; 7, pressing plate; 8, spring one; 9, top rod; 10, sliding rod; 11, limiting rod; 12, rotating rod; 13, blade; 14, connecting rod; 15, sleeve; 16, spring two; 17, sliding plate. DETAILED DESCRIPTION
[0033] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0034] Reference Figure 1 - Figure 5 The present invention provides an embodiment of a municipal water supply and drainage filtration device, comprising a sleeve 1, a top cover 2 installed on the top of the sleeve 1, a partition 3 fixedly connected to the inner wall of the sleeve 1, and multiple filter barrels 4 slidably connected inside the partition 3. The sleeve 1 is used to protect the internal parts, the top cover 2 is used to cooperate with the sleeve 1 and is fixed by a lifting eye screw to seal the two, the partition 3 is used to divide the sleeve 1 into two separate spaces, the filter barrels 4 are used to filter solid impurities in the water, a disassembly assembly is installed on the top of the filter barrels 4, and an anti-clogging assembly is installed inside the filter barrels 4.
[0035] The assembly / disassembly unit includes two locking blocks 6 and a pressure plate 7. The bottom of the locking blocks 6 is fixedly connected to the top of the partition 3. The pressure plate 7 is externally slidably connected to the inner side of the partition 3. A spring 8 is fixedly connected to the top of the pressure plate 7. A push rod 9 is fixedly connected to the top of the spring 8. A slide rod 10 is fixedly connected to the bottom of the push rod 9. A limit rod 11 is externally slidably connected to the slide rod 10. The locking blocks 6 are used to fix the push rod 9. The pressure plate 7 is used to fix the filter bucket 4 to the partition 3. The spring 8 is used to push the push rod 9 and the pressure plate 7 to move. The push rod 9 is used to resist the thrust of the spring 8. This generates a counter-thrust force. The slide rod 10 and the limiting rod 11 are used to limit the movement direction of the top rod 9 so that it will not shake. The bottom of the pressure plate 7 and the top of the filter barrel 4 abut against each other to install the filter barrel 4 in place. The outside of the top rod 9 and the inside of the locking block 6 are engaged. The pressure plate 7 is pushed by the reaction force to fix the filter barrel 4. The bottom of the limiting rod 11 is fixedly connected to the top of the pressure plate 7 to keep the limiting rod 11 stable. The outside of the slide rod 10 is sleeved inside the spring 8, and the outside of the limiting rod 11 is sleeved inside the spring 8 to keep the spring 8 stable.
[0036] Reference Figure 3 - Figure 6The anti-blocking assembly comprises a rotating rod 12, the top end of the rotating rod 12 is rotationally connected to the bottom of the pressing plate 7, a plurality of blades 13 are fixedly connected to the upper side of the rotating rod 12, a plurality of connecting rods 14 are fixedly connected to the outer side of the rotating rod 12, a sleeve 15 is fixedly connected between the outer sides of the connecting rods 14 on the same side, a plurality of springs 16 are fixedly connected to the inner wall of the sleeve 15, a sliding plate 17 is fixedly connected between the outer sides of the springs 16, a scraper 5 is fixedly connected to the outer side of the sliding plate 17, the rotating rod 12 is used to drive the sleeve 15 to rotate, the blades 13 are driven to rotate the rotating rod 12 by the impact of water flow, the connecting rods 14 are used to fix the sleeve 15 on the rotating rod 12, the sleeve 15 is used to connect and protect the inside, the springs 16 are used to push the sliding plate 17 to reset, the sliding plate 17 is used to drive the scraper 5 to move synchronously, the scraper 5 is used to scrape away the impurities attached to the inner wall of the filter barrel 4, so as to avoid blocking, the bottom of the rotating rod 12 is rotationally connected to the inner bottom wall of the filter barrel 4, so that the rotating rod 12 remains stable, the outer side of the sliding plate 17 is slidingly connected to the inner wall of the sleeve 15, the outer side of the scraper 5 is slidingly connected to the inside of the sleeve 15, the sleeve 15 simultaneously limits the moving direction of the sliding plate 17 and the scraper 5, the outer side of the scraper 5 is slidingly connected to the inner wall of the filter barrel 4, so as to avoid that the impurities block the filter barrel 4 and affect the water conveying efficiency, and the blades 13 are concentrically and equidistantly distributed, so that the rotating rod 12 remains stable when rotating.
[0037] Working principle: when the device is used, water is injected into the sleeve 1 from the water inlet on the upper side of the sleeve 1, flows into the filter barrel 4 along the holes on the pressing plate 7, and is filtered by the filter barrel 4, so that solid impurities are intercepted, and the filtered water flows out from the water outlet at the bottom of the sleeve 1, when the water enters the filter barrel 4, the impact of the water flow will drive the blades 13 to rotate the rotating rod 12, under the connection of the connecting rods 14, the sleeve 15 begins to revolve around the rotating rod 12, at the same time, the springs 16 push the sliding plate 17, drive the scraper 5 to abut against the inner wall of the filter barrel 4, and cooperate with rotation, so that the scraper 5 slides on the inner wall of the filter barrel 4, pushes away the impurities attached to the filter barrel 4, prolongs the use time of the filter barrel 4, reduces the cleaning frequency, avoids blocking the mesh of the filter barrel 4, and affects the water conveying efficiency, when it is used for a period of time, the filter barrel 4 needs to be cleaned, the top cover 2 is opened, the top rod 9 is pressed, and then the top rod 9 is counterclockwise rotated, so that the top rod 9 is separated from the clamping block 6, at this time, the filter barrel 4 is unlocked, the disassembly assembly together with the anti-blocking assembly is taken out from the filter barrel 4, the filter barrel 4 is taken out from the sleeve 1 and cleaned, the impurities in the inside are cleaned away and then put back into the partition plate 3, then the anti-blocking assembly together with the disassembly assembly is put back to the original position, so that the pressing plate 7 abuts against the top of the filter barrel 4, finally, the top rod 9 is pressed to compress the spring 8 under the limiting of the sliding rod 10 and the limiting rod 11, and the top rod 9 is clockwise rotated, then the top rod 9 is released, the spring 8 pushes the top rod 9 upwards to be clamped into the inner side of the clamping block 6, the spring 8 pushes the pressing plate 7 by the reaction force, so that the filter barrel 4 is firmly fixed on the partition plate 3, finally, the top cover 2 is pulled to be fixed on the sleeve 1 again and kept sealed, and the work can be continued, which is convenient, time-saving and labor-saving.
[0038] It should be pointed out finally that: the above only for the preferred embodiments of the utility model have, and do not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.
Claims
1. A filtering device for municipal water supply and sewerage, comprising a sleeve (1), characterized in that: The sleeve (1) top is provided with a top cover (2), the sleeve (1) inner wall is fixedly connected with a partition (3), the partition (3) is slidably connected with a plurality of filter barrels (4), the filter barrel (4) top is provided with a dismounting assembly, the filter barrel (4) is provided with an anti-blocking assembly; The dismounting assembly includes two clamping blocks (6) and a pressing plate (7), the clamping block (6) bottom is fixedly connected with the partition (3) top, the pressing plate (7) is slidably connected with the partition (3) inner side, the pressing plate (7) top is fixedly connected with a spring (8), the spring (8) top is fixedly connected with a top rod (9), the top rod (9) bottom is fixedly connected with a sliding rod (10), the sliding rod (10) is slidably connected with a limiting rod (11).
2. The filtering device for municipal water supply and drainage according to claim 1, characterized in that: The anti-blocking assembly includes a rotating rod (12), the rotating rod (12) top end is rotatably connected with the pressing plate (7) bottom, the rotating rod (12) upper side is fixedly connected with a plurality of blades (13), the rotating rod (12) is fixedly connected with a plurality of connecting rods (14), the same side plurality of connecting rods (14) outer sides are fixedly connected with a sleeve shell (15), the sleeve shell (15) inner wall is fixedly connected with a plurality of springs (16), the plurality of springs (16) outer sides are fixedly connected with a sliding plate (17), the sliding plate (17) is fixedly connected with a scraper (5).
3. The filtering device for municipal water supply and drainage according to claim 1, characterized in that: The pressing plate (7) bottom and the filter barrel (4) top are abutted, the top rod (9) outer side and the clamping block (6) inner side are clamped.
4. The filtering device for municipal water supply and drainage according to claim 1, characterized in that: The limiting rod (11) bottom is fixedly connected with the pressing plate (7) top, the sliding rod (10) is sleeved with the spring (8) inside.
5. The filtering device for municipal water supply and drainage according to claim 1, characterized in that: The limiting rod (11) is sleeved with the spring (8) inside.
6. The filtering device for municipal water supply and drainage according to claim 2, characterized in that: The rotating rod (12) bottom is rotatably connected with the filter barrel (4) inner bottom wall, the sliding plate (17) is slidably connected with the sleeve shell (15) inner wall.
7. The filtering device for municipal water supply and drainage according to claim 2, characterized in that: The scraper (5) is slidably connected with the sleeve shell (15) inside, the scraper (5) is slidably connected with the filter barrel (4) inner wall.
8. The filtering device for municipal water supply and drainage according to claim 2, characterized in that: The blades (13) are concentrically and equidistantly distributed.