Self-cleaning filtering device for municipal water supply and drainage

Abstract

The self-cleaning municipal water supply and drainage filtering device comprises a filtering shell, a filtering net frame is arranged on the left side of an inner cavity of the filtering shell, and a lifting plate is fixedly connected to the top of the filtering net frame. Through the arrangement of the filter shell, the filter screen frame, the lifting plate, the fixed frame, the movable frame, the brush, the machine shell, the motor, the reciprocating lead screw and the sliding sleeve, after water is introduced, water flows through an inner cavity of the filter shell, garbage and dirt in the water can be blocked on one side of the filter screen frame, a water flow sensor in an inner cavity of a water outlet pipe senses the water flow in real time, and when the water flow becomes small, the water flow is stopped. A control mechanism in a control box automatically opens a motor and an electric push rod and closes an electromagnetic valve in an inner cavity of a connecting pipe, the output end of the motor drives a reciprocating lead screw to rotate, the reciprocating lead screw drives a sliding sleeve on the surface of the reciprocating lead screw to vertically reciprocate, and a movable frame and a brush on one side of the sliding sleeve vertically reciprocate along with the sliding sleeve to scrape and brush the surface of the filter screen frame. And scraped garbage and dirt can fall into the inner cavity of the collecting box.

Description

Technical Field

[0001] The utility model relates to the technical field of municipal water supply and drainage, in particular to a self-cleaning filtering device for municipal water supply and drainage. Background Art

[0002] The urban drainage system is an engineering facility system for treating and draining urban sewage and rainwater. It is a component of urban public facilities. The urban drainage system planning is a component of the city's overall planning. The municipal construction water flow pipeline is one of the common equipment that is indispensable in the municipal water supply and drainage process. In the process of municipal road drainage, as a conveying channel for water flow and impurities, the blocking performance of the pipeline will directly affect the quality of the entire municipal water supply and drainage operation. In order to prevent the drainage from being blocked due to pipeline blockage, a corresponding filtering device will be set up to prevent garbage and debris from entering the pipeline;

[0003] For example, the disclosed utility model provides "a filtering device for municipal water supply and drainage", and its announcement number is: CN212914783U. The patent includes a filter box, the left and right ends of the filter box are fixedly connected to a connection box, and the ends of the two groups of connection boxes away from the filter box are fixedly connected to a connection column, and the ends of the connection columns away from the connection box are fixedly connected to a drainage pipe. By starting the first motor, the output end of the first motor drives the rotating rod to rotate, and the rotating rod rotates, so that the two groups of filter screens rotate, so that the filter screen filters the water in the box, and the impurities in the water adhere to the continuously rotating filter screen, and by pulling the two groups of handles, the two groups of handles drive the fixed plate to move upward, so that the sealing plate located in the connecting groove is moved out, so that the filter screen can be cleaned, so that the filter screen will not be blocked, and the device continues to filter the water supply and drainage pipe, thereby improving the filtering quality;

[0004] However, this patent does not have a self-cleaning function. If too much garbage and debris are attached to the filter, it will affect the water flow. The filter device is not convenient to open for manual cleaning at any time and cannot be self-cleaned. It is difficult to meet the requirements of real-time cleaning of the filter. Therefore, the purpose of this utility model is to improve the practicality of the municipal water supply and drainage filter device through a self-cleaning mechanism. Utility Model Content

[0005] The purpose of the utility model is to provide a self-cleaning municipal water supply and drainage filtering device, which has the advantage of a self-cleaning function and solves the problem that the existing municipal water supply and drainage filtering devices do not have a self-cleaning function. If too much garbage and debris are attached to the filter screen, it will affect the water flow rate. The filtering device is not convenient to open for manual cleaning at any time and cannot be self-cleaned, making it difficult to meet the requirements for real-time filter cleaning.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a self-cleaning municipal water supply and drainage filtering device, comprising a filter shell, a filter screen frame is arranged on the left side of the inner cavity of the filter shell, a lifting plate is fixedly connected to the top of the filter screen frame, a fixing frame is fixedly connected to the inner cavity of the filter shell and located on the right side of the filter screen frame, a movable frame is movably connected to the surface of the fixing frame, a brush is fixedly connected to the left side of the movable frame, the top of the filter shell is fixedly connected to a casing, the top of the casing is fixedly connected to a motor, the output end of the motor is fixedly connected to a reciprocating screw, the surface of the reciprocating screw is movably connected to a sliding sleeve, and the left side of the sliding sleeve is fixedly connected to A driving rod is connected, the bottom of the driving rod is fixedly connected to a connecting frame, one side of the connecting frame is fixedly connected to one side of the movable frame, the right side of the filter shell is fixedly connected to a connecting pipe, the end of the connecting pipe away from the filter shell is fixedly connected to a drain pipe through a flange, the left side of the filter shell is fixedly connected to a water outlet pipe, the bottom of the inner cavity of the water outlet pipe is provided with a water flow sensor, the bottom of the filter shell is fixedly connected to a box body, the top of the right side of the box body is penetrated and connected with an electric push rod, the telescopic end of the electric push rod is fixedly connected to a connecting plate, the side of the connecting plate away from the electric push rod is fixedly connected to a sealing plate, and the bottom of the inner cavity of the box body is provided with a collecting box.

[0007] Preferably, a sealing cover is provided on the front of the box body, and convenient-to-dismantle screws are provided on the four corners of the surface of the sealing cover.

[0008] Preferably, a card slot is provided at the bottom of the inner cavity of the filter housing, the inner cavity of the card slot is movably connected with a card plate, and the top of the card plate is fixedly connected to the bottom of the filter frame.

[0009] Preferably, a protective shell is fixedly connected to the top of the housing, and the motor is located in an inner cavity of the protective shell.

[0010] Preferably, a sealing strip is fixedly connected to the bottom of the lifting plate, and the top of the filter frame surface is fixedly connected to the inner cavity of the sealing strip.

[0011] Preferably, a limiting groove is provided at the bottom of the filter housing, and the top of the connecting plate is movably connected to the inner cavity of the limiting groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model arranges a filter shell, a filter frame, a lifting plate, a fixed frame, a movable frame, a brush, a casing, a motor, a reciprocating screw and a sliding sleeve, and installs a drain pipe at one end of a connecting pipe. After water is passed through, water flows through the inner cavity of the filter shell, and garbage and dirt in the water will be blocked on one side of the filter frame. The water flow sensor in the inner cavity of the water outlet pipe senses the water flow in real time. When the water flow becomes smaller, it indicates that too much garbage and dirt are attached to the filter frame. The control mechanism in the control box automatically turns on the motor and the electric push rod, and closes the solenoid valve in the inner cavity of the connecting pipe. The output end of the motor drives the reciprocating screw to rotate, and the reciprocating screw drives the sliding sleeve on its surface to move back and forth up and down. The movable frame and the brush on one side of the sliding sleeve scrape the surface of the filter frame as the sliding sleeve moves back and forth up and down, and the scraped garbage and dirt will fall into the inner cavity of the collection box.

[0014] 2. The utility model provides a sealing cover plate to facilitate municipal water supply and drainage system workers to open it and pull out the collection box for cleaning. By providing a sleeve and a card plate to limit the bottom of the filter frame, the stability of the filter frame when installed in the inner cavity of the filter shell can be improved. By providing a protective shell to protect the motor to avoid interference from external forces, a sealing strip is provided to increase the sealing between the bottom of the lifting plate and the top opening of the filter shell. By providing a limiting groove to limit the top of the connecting plate, its stability during movement can be improved and its moving range can be limited. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0016] Figure 2 It is a schematic cross-sectional view of the structure of the utility model;

[0017] Figure 3 It is a three-dimensional diagram of the fixing frame and the brush of the utility model;

[0018] Figure 4 It is a cutaway stereoscopic view of the box body of the utility model;

[0019] Figure 5 For this utility model Figure 2 A local enlarged schematic diagram of point A in the middle.

[0020] In the figure: 1. filter shell; 2. filter frame; 3. lifting plate; 4. fixed frame; 5. movable frame; 6. brush; 7. casing; 8. motor; 9. reciprocating screw; 10. sleeve; 11. driving rod; 12. connecting frame; 13. connecting pipe; 14. drain pipe; 15. outlet pipe; 16. water flow sensor; 17. box body; 18. electric push rod; 19. connecting plate; 20. sealing plate; 21. collecting box. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The components of the present invention are all common standard components or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0023] See also Figure 1-5 A self-cleaning municipal water supply and drainage filtering device comprises a filter shell 1, a filter frame 2 is arranged on the left side of the inner cavity of the filter shell 1, a lifting plate 3 is fixedly connected to the top of the filter frame 2, a fixing frame 4 is fixedly connected to the inner cavity of the filter shell 1 and located on the right side of the filter frame 2, a movable frame 5 is movably connected to the surface of the fixing frame 4, a brush 6 is fixedly connected to the left side of the movable frame 5, a casing 7 is fixedly connected to the top of the filter shell 1, a motor 8 is fixedly connected to the top of the casing 7, a reciprocating screw 9 is fixedly connected to the output end of the motor 8, a sliding sleeve 10 is movably connected to the surface of the reciprocating screw 9, a driving rod 11 is fixedly connected to the left side of the sliding sleeve 10, and a bottom of the driving rod 11 is fixedly connected to A connecting frame 12, one side of the connecting frame 12 is fixedly connected to one side of the movable frame 5, a connecting pipe 13 is fixedly connected to the right side of the filter shell 1, and the end of the connecting pipe 13 away from the filter shell 1 is fixedly connected to the drain pipe 14 through a flange, a water outlet pipe 15 is fixedly connected to the left side of the filter shell 1, and a water flow sensor 16 is arranged at the bottom of the inner cavity of the water outlet pipe 15, a box body 17 is fixedly connected to the bottom of the filter shell 1, an electric push rod 18 is penetrated and connected to the top of the right side of the box body 17, a connecting plate 19 is fixedly connected to the telescopic end of the electric push rod 18, a sealing plate 20 is fixedly connected to the side of the connecting plate 19 away from the electric push rod 18, and a collecting box 21 is arranged at the bottom of the inner cavity of the box body 17.

[0024] A sealing cover is provided on the front of the box body 17, and convenient disassembly screws are provided at the four corners of the surface of the sealing cover.

[0025] Through the above technical solution, by providing a sealing cover, it is convenient for municipal water supply and drainage system workers to open it and pull out the collection box 21 for cleaning.

[0026] A clamping slot is provided at the bottom of the inner cavity of the filter housing 1 , and a clamping plate is movably connected to the inner cavity of the clamping slot, and the top of the clamping plate is fixedly connected to the bottom of the filter frame 2 .

[0027] Through the above technical solution, by providing a clamping sleeve and a clamping plate to limit the bottom of the filter frame 2, the stability of the filter frame 2 when installed in the inner cavity of the filter shell 1 can be improved.

[0028] A protective shell is fixedly connected to the top of the housing 7, and the motor 8 is located in the inner cavity of the protective shell.

[0029] Through the above technical solution, a protective shell is provided to protect the motor 8 and prevent it from being disturbed by external forces.

[0030] A sealing strip is fixedly connected to the bottom of the lifting plate 3, and the top of the surface of the filter frame 2 is fixedly connected to the inner cavity of the sealing strip.

[0031] Through the above technical solution, a sealing strip is provided to increase the sealing performance between the bottom of the lifting plate 3 and the top opening of the filter shell 1 .

[0032] A limiting groove is provided at the bottom of the filter housing 1, and the top of the connecting plate 19 is movably connected to the inner cavity of the limiting groove.

[0033] Through the above technical solution, by setting a limiting groove to limit the top of the connecting plate 19, its stability during movement can be improved and its movement range can be limited.

[0034] When in use, first install the drain pipe 14 at one end of the connecting pipe 13. After water starts to flow, water flows through the inner cavity of the filter shell 1. The garbage and dirt in the water will be blocked on one side of the filter frame 2. The water flow sensor 16 in the inner cavity of the water outlet pipe 15 senses the water flow in real time. When the water flow becomes smaller, it means that too much garbage and dirt are attached to the filter frame 2. At this time, the control mechanism in the control box will automatically turn on the motor 8 and the electric push rod 18, and close the electromagnetic valve in the inner cavity of the connecting pipe 13. The output end of the motor 8 drives the reciprocating screw 9 to rotate, and the reciprocating screw 9 drives the sliding sleeve 10 on its surface to move up and down. The movable frame 5 and the brush 6 on one side of the sliding sleeve 10 scrape the surface of the filter frame 2 as the sliding sleeve 10 moves up and down. At the same time, the telescopic end of the electric push rod 18 drives the connecting plate 19 and the sealing plate 20 on one side thereof to move. As the sealing plate 20 moves, the opening at the top of the box body 17 is gradually exposed, and the scraped garbage and dirt will fall into the inner cavity of the collection box 21 through the opening at the top of the box body 17.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A self-cleaning municipal water supply and drainage filtering device, comprising a filter housing (1), characterized in that: A filter frame (2) is arranged on the left side of the inner cavity of the filter housing (1), a lifting plate (3) is fixedly connected to the top of the filter frame (2), a fixing frame (4) is fixedly connected to the inner cavity of the filter housing (1) and located on the right side of the filter frame (2), a movable frame (5) is movably connected to the surface of the fixing frame (4), a brush (6) is fixedly connected to the left side of the movable frame (5), a housing (7) is fixedly connected to the top of the housing (7), a motor (8) is fixedly connected to the top of the housing (7), a reciprocating screw (9) is fixedly connected to the output end of the motor (8), a sliding sleeve (10) is movably connected to the surface of the reciprocating screw (9), a driving rod (11) is fixedly connected to the left side of the sliding sleeve (10), a connecting frame (12) is fixedly connected to the bottom of the driving rod (11), and the connecting frame A side of the filter housing (12) is fixedly connected to a side of the movable frame (5); a connecting pipe (13) is fixedly connected to the right side of the filter housing (1); an end of the connecting pipe (13) away from the filter housing (1) is fixedly connected to a drain pipe (14) via a flange; a water outlet pipe (15) is fixedly connected to the left side of the filter housing (1); a water flow sensor (16) is arranged at the bottom of the inner cavity of the water outlet pipe (15); a box body (17) is fixedly connected to the bottom of the filter housing (1); an electric push rod (18) is connected through the top of the right side of the box body (17); a connecting plate (19) is fixedly connected to the telescopic end of the electric push rod (18); a sealing plate (20) is fixedly connected to the side of the connecting plate (19) away from the electric push rod (18); and a collecting box (21) is arranged at the bottom of the inner cavity of the box body (17).

2. A self-cleaning municipal water supply and drainage filtering device according to claim 1, characterized in that: The front of the box body (17) is provided with a sealing cover plate, and four corners of the surface of the sealing cover plate are provided with easy-to-disassemble screws.

3. A self-cleaning municipal water supply and drainage filtering device according to claim 1, characterized in that: A clamping groove is provided at the bottom of the inner cavity of the filter housing (1), a clamping plate is movably connected to the inner cavity of the clamping groove, and the top of the clamping plate is fixedly connected to the bottom of the filter frame (2).

4. A self-cleaning municipal water supply and drainage filtering device according to claim 1, characterized in that: A protective shell is fixedly connected to the top of the housing (7), and the motor (8) is located in the inner cavity of the protective shell.

5. A self-cleaning municipal water supply and drainage filtering device according to claim 1, characterized in that: A sealing strip is fixedly connected to the bottom of the lifting plate (3), and the top of the surface of the filter frame (2) is fixedly connected to the inner cavity of the sealing strip.

6. A self-cleaning municipal water supply and drainage filtering device according to claim 1, characterized in that: A limiting groove is provided at the bottom of the filter housing (1), and the top of the connecting plate (19) is movably connected to the inner cavity of the limiting groove.

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