Filtering device for municipal drainage

Abstract

The utility model discloses a filtering device for municipal drainage, and relates to the technical field of filtering devices for municipal drainage, the filtering device comprises a filtering box, the inner wall of the filtering box is fixedly connected with a bearing, the inner wall of the bearing is fixedly connected with a limiting column, the inner wall of the filtering box is fixedly connected with a first motor, and the outer side of the limiting column is fixedly connected with a clamping seat. The top of the clamping seat is slidably connected with a clamping block, and a filter screen, a limiting column, a first sealing ring, a grip, an inlet groove, a limiting spring, the clamping block, the clamping seat and a bearing are arranged. Through arrangement of a cleaning brush, a connecting rod, a moving seat, a reciprocating screw rod, a first motor, a second sealing ring, a blocking strip, a connecting strip and a sliding column, the filtering device for municipal drainage has the advantages that sundries on the surface of a filter screen can be cleaned conveniently, and the situation that the sundries on the surface of the filter screen are cleaned cumbersomely is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of filtering devices for municipal drainage, in particular to a filtering device for municipal drainage. Background Art

[0002] Municipal construction water pipes are one of the common and indispensable equipment in the municipal water supply and drainage process. In the municipal water supply and drainage process, as the conveying channel for water and impurities, the unblocking performance of the pipes will directly affect the progress and quality of the entire municipal water supply and drainage operation. In order to prevent the pipes from being blocked during the water supply and drainage process, the pipes are generally equipped with corresponding anti-blocking devices.

[0003] At present, the municipal drainage filtering device in the prior art is usually a motor driving a screw rod to move the brush up and down to clean the filter. When the staff replaces the filter, it is time-consuming to unscrew and disassemble the screws around the filter. There is a problem that the filter replacement is not convenient enough. In addition, when cleaning the debris on the filter, it is necessary to manually take the filter out from the inside of the box and then manually clean the debris on the surface of the filter. This is not only troublesome, but also has the problem of cumbersome cleaning of the debris on the surface of the filter. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies of the prior art, the utility model provides a filtering device for municipal drainage, which solves the problems raised in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] To achieve the above purpose, the utility model is implemented by the following technical solutions: comprising a filter box, the inner wall of the filter box is fixedly connected with a bearing, the inner wall of the bearing is fixedly connected with a limiting column, and the inner wall of the filter box is fixedly connected with a first motor;

[0008] The outer side of the limiting column is fixedly connected with a holder, the top of the holder is slidably connected with a block, the top of the block is fixedly connected with a limiting spring, the top of the limiting spring is fixedly connected with a filter, the top of the filter is provided with an inlet slot, and the top of the filter is fixedly connected with a handle;

[0009] The output shaft of the first motor is fixedly connected to a reciprocating screw, the outer side of the reciprocating screw is threadedly connected to a moving seat, the inner side of the moving seat is movably connected to a connecting rod, the movable inner side of the connecting rod is movably connected to a cleaning brush, the inner wall of the cleaning brush is slidably connected to a sliding column, and the bottom of the sliding column is fixedly connected to a filter box.

[0010] Optionally, a connecting strip is fixedly connected to the bottom of the cleaning brush, a blocking strip is fixedly connected to the bottom of the connecting strip, a second sealing ring is fixedly connected to the outer side of the blocking strip, and a filter box is slidably connected to the outer side of the second sealing ring.

[0011] Optionally, a first sealing ring is fixedly connected to the outer side of the top of the filter screen, and a filter box is slidably connected to the outer side of the first sealing ring.

[0012] Optionally, there are two sliding columns, which are located in the inner walls at the left and right ends of the cleaning brush.

[0013] Optionally, the number of the blocks is eight, and the number of the limiting springs is equal to the number of the blocks.

[0014] Optionally, there are two bearings, the number of the limiting columns is equal to the number of the bearings, and the height of the limiting columns is greater than the height of the filter.

[0015] (III) Beneficial effects

[0016] The utility model provides a filtering device for municipal drainage, which has the following beneficial effects:

[0017] 1. The municipal drainage filtering device is provided with a filter screen, a limiting column, a first sealing ring, a handle, an inlet groove, a limiting spring, a block, a seat, and a bearing. The municipal drainage filtering device has the advantages of simplifying the filter screen replacement steps, shortening the filter screen replacement time, and avoiding the inconvenience of filter screen replacement.

[0018] 2. The municipal drainage filtering device is provided with a cleaning brush, a connecting rod, a movable seat, a reciprocating screw, a first motor, a second sealing ring, a blocking strip, a connecting strip, and a sliding column. The municipal drainage filtering device has the function of replacing manual cleaning of debris on the filter surface with mechanical structure, thereby avoiding the cumbersome cleaning of debris on the filter surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the top view structure of the utility model;

[0020] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0021] Figure 3 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0022] Figure 4 For this utility model Figure 3 Enlarged structural diagram at B in the middle.

[0023] Figure 5 This is a schematic diagram of the cross-sectional structure of the filter screen of the utility model;

[0024] Figure 6 For this utility model Figure 5 The enlarged structural diagram at C in the middle;

[0025] Figure 7 This is a schematic diagram of the cross-sectional structure of the cleaning brush of the utility model;

[0026] Figure 8 This is a schematic diagram of the positive shaft side structure of the utility model

[0027] In the figure: 1. filter box; 2. filter screen; 3. limiting column; 4. first sealing ring; 5. handle; 6. inlet groove; 7. cleaning brush; 8. connecting rod; 9. moving seat; 10. reciprocating screw rod; 11. first motor; 12. second sealing ring; 13. blocking strip; 14. connecting strip; 15. limiting spring; 16. block; 17. seat; 18. sliding column; 19. bearing. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0029] Example 1

[0030] See also Figures 1 to 8 The utility model provides a technical solution: a filtering device for municipal drainage, comprising a filter box 1, the inner wall of the filter box 1 is fixedly connected with a bearing 19, the number of the bearings 19 is two, the number of limiting columns 3 is equal to the number of the bearings 19, the height of the limiting columns 3 is greater than the height of the filter screen 2, the inner wall of the bearing 19 is fixedly connected with the limiting columns 3, and the inner wall of the filter box 1 is fixedly connected with a first motor 11;

[0031] A holder 17 is fixedly connected to the outer side of the limiting column 3, a block 16 is slidably connected to the top of the holder 17, there are eight blocks 16, the number of limiting springs 15 is equal to the number of blocks 16, a limiting spring 15 is fixedly connected to the top of the block 16, a filter screen 2 is fixedly connected to the top of the limiting spring 15, a first sealing ring 4 is fixedly connected to the outer side of the top of the filter screen 2, a filter box 1 is slidably connected to the outer side of the first sealing ring 4, an inlet groove 6 is opened on the top of the filter screen 2, a handle 5 is fixedly connected to the top of the filter screen 2, and a filter device for municipal drainage is provided by the filter screen 2, the limiting column 3, the first sealing ring 4, the handle 5, the inlet groove 6, the limiting spring 15, the block 16, the holder 17, and the bearing 19. The filter device has the advantages of simplifying the replacement steps of the filter screen 2, shortening the replacement time of the filter screen 2, and avoiding the inconvenience of replacing the filter screen 2.

[0032] When in use, rotate the limiting column 3 so that the holder 17 lifts the block 16, and the limiting spring 15 contracts due to the pressure of the block 16, and the holder 17 is aligned with the inlet slot 6 on the filter screen 2. The filter screen 2 is pulled out of the filter box 1 by the handle 5, and the inlet slot 6 on the new filter screen 2 is aligned with the limiting column 3 and inserted into the filter box 1. The limiting column 3 is then rotated so that the holder 17 is staggered from the inlet slot 6 on the filter screen 2, and the groove on the holder 17 is aligned with the block 16. The limiting spring 15 pushes the block 16 into the groove on the holder 17 to limit the limiting column 3, so that the limiting column 3 will not rotate without external force, and the holder 17 limits the filter screen 2.

[0033] Example 2

[0034] See also Figures 1 to 8 The utility model provides a technical solution: a filtering device for municipal drainage, comprising a filter box 1, a bearing 19 is fixedly connected to the inner wall of the filter box 1, a limiting column 3 is fixedly connected to the inner wall of the bearing 19, and a first motor 11 is fixedly connected to the inner wall of the filter box 1;

[0035] The outer side of the limiting column 3 is fixedly connected with a clamping seat 17, the top of the clamping seat 17 is slidably connected with a clamping block 16, the top of the clamping block 16 is fixedly connected with a limiting spring 15, the top of the limiting spring 15 is fixedly connected with a filter screen 2, the top of the filter screen 2 is provided with an inlet slot 6, and the top of the filter screen 2 is fixedly connected with a handle 5;

[0036] The output shaft of the first motor 11 is fixedly connected to a reciprocating screw rod 10, the outer side of the reciprocating screw rod 10 is threadedly connected to a moving seat 9, the inner side of the moving seat 9 is movably connected to a connecting rod 8, the movable inner side of the connecting rod 8 is movably connected to a cleaning brush 7, the bottom of the cleaning brush 7 is fixedly connected to a connecting strip 14, the bottom of the connecting strip 14 is fixedly connected to a blocking strip 13, the outer side of the blocking strip 13 is fixedly connected to a second sealing ring 12, the outer side of the second sealing ring 12 is slidably connected to a filter box 1, and the inner wall of the cleaning brush 7 is slidably connected to a sliding There are two moving columns 18 and sliding columns 18. The sliding columns 18 are divided in the inner walls at the left and right ends of the cleaning brush 7. The bottom of the sliding column 18 is fixedly connected to the filter box 1. Through the cleaning brush 7, connecting rod 8, moving seat 9, reciprocating screw 10, first motor 11, second sealing ring 12, blocking strip 13, connecting strip 14, and sliding column 18, a municipal drainage filtering device has the function of cleaning the debris on the surface of the filter screen 2 by mechanical structure instead of manual operation, thereby avoiding the cumbersome cleaning of the debris on the surface of the filter screen 2.

[0037] When in use, start the first motor 11 to rotate the reciprocating screw 10, and the moving seat 9 moves backward, the cleaning brush 7 moves downward and cleans the filter screen 2. While the cleaning brush 7 moves downward, the cleaning brush 7 moves the blocking strip 13 downward through the connecting strip 14, so that the drain port on the filter box 1 is opened, and the debris cleaned by the cleaning brush 7 can be directly discharged from the drain port on the filter box 1. When the cleaning is completed, the cleaning brush 7 returns to the top, and the blocking strip 13 blocks the drain port, and the blocking strip 13 has a second sealing ring 12, so that the working liquid of the filter box 1 will not leak from the drain port.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A filtering device for municipal drainage, comprising a filter box (1), characterized in that: A bearing (19) is fixedly connected to the inner wall of the filter box (1), a limiting column (3) is fixedly connected to the inner wall of the bearing (19), and a first motor (11) is fixedly connected to the inner wall of the filter box (1); The outer side of the limiting column (3) is fixedly connected to a holder (17), the top of the holder (17) is slidably connected to a block (16), the top of the block (16) is fixedly connected to a limiting spring (15), the top of the limiting spring (15) is fixedly connected to a filter screen (2), the top of the filter screen (2) is provided with an inlet slot (6), and the top of the filter screen (2) is fixedly connected to a handle (5); The output shaft of the first motor (11) is fixedly connected to a reciprocating screw (10), the outer side of the reciprocating screw (10) is threadedly connected to a movable seat (9), the inner side of the movable seat (9) is movably connected to a connecting rod (8), the movable inner side of the connecting rod (8) is movably connected to a cleaning brush (7), the inner wall of the cleaning brush (7) is slidably connected to a sliding column (18), and the bottom of the sliding column (18) is fixedly connected to a filter box (1).

2. A municipal drainage filtering device according to claim 1, characterized in that: The bottom of the cleaning brush (7) is fixedly connected to a connecting strip (14), the bottom of the connecting strip (14) is fixedly connected to a blocking strip (13), the outer side of the blocking strip (13) is fixedly connected to a second sealing ring (12), and the outer side of the second sealing ring (12) is slidably connected to a filter box (1).

3. A municipal drainage filter device according to claim 1, characterized in that: A first sealing ring (4) is fixedly connected to the outer side of the top of the filter screen (2), and a filter box (1) is slidably connected to the outer side of the first sealing ring (4).

4. A municipal drainage filter device according to claim 1, characterized in that: There are two sliding columns (18), and the sliding columns (18) are located in the inner walls at the left and right ends of the cleaning brush (7).

5. A municipal drainage filtering device according to claim 1, characterized in that: The number of the clamping blocks (16) is eight, and the number of the limiting springs (15) is equal to the number of the clamping blocks (16).

6. A municipal drainage filtering device according to claim 1, characterized in that: The number of the bearings (19) is two, the number of the limiting columns (3) is equal to the number of the bearings (19), and the height of the limiting columns (3) is greater than the height of the filter screen (2).

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