Municipal water supply and drainage filtering device convenient to clean

Abstract

The utility model provides a municipal water supply and drainage filtering device convenient to clean, and relates to the technical field of filtering devices, the municipal water supply and drainage filtering device comprises a water inlet pipeline, a filtering pipeline and a water outlet pipeline, the filtering pipeline is arranged between the water inlet pipeline and the water outlet pipeline, and an air pump is fixedly arranged at the top of the filtering pipeline; and a cleaning mechanism and a filtering mechanism are arranged in the filtering pipeline. The spiral blade is designed to be pushed by water flow to rotate, the cleaning brush is driven to rotate to clean the filter screen, the cleaning efficiency of the filter screen is improved, the filter screen box is designed to receive impurities cleaned by the cleaning brush and collect the impurities in a unified mode, the filter screen box is designed to be of a detachable structure connected through screws, the convenience of disassembly and cleaning is improved, and the service life of the filter screen box is prolonged. By arranging the observation window on the surface of the filtering pipeline, the blockage condition is observed, the air pump is used for pressurizing the interior of the filtering pipeline, the water flow speed is increased to drive the cleaning brush to wash the filtering net at a high speed, and the filtering net dismounting and cleaning frequency is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of filtering devices, in particular to a filtering device for municipal water supply and drainage which is easy to clean. Background Art

[0002] The municipal water supply and drainage filter device is a supporting facility for municipal water supply and drainage. Once the municipal water supply and drainage function does not operate smoothly, it will cause a major impact and generate corresponding manpower and material costs for cleaning. In order to avoid related situations, the existing water supply and drainage facilities are generally equipped with filter devices.

[0003] However, in the prior art, most of the existing filtering devices only use a filter net for preliminary filtering. After being used for a long time, the filtering efficiency will be affected due to impurities and residues attached to the filter net, and the filter net needs to be frequently cleaned and maintained. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to provide a filtering device for municipal water supply and drainage which is easy to clean.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a municipal water supply and drainage filtering device that is easy to clean, comprising an inlet pipe, a filtering pipe and an outlet pipe, a filtering pipe is arranged between the inlet pipe and the outlet pipe, an observation window is opened on the surface of the filtering pipe, an air pump is fixedly arranged on the filtering pipe, a cleaning mechanism and a filtering mechanism are arranged inside the filtering pipe, the cleaning mechanism comprises a cleaning brush, the filtering mechanism comprises a filter net, and the outer surface of the cleaning brush is in contact with the filter net.

[0006] As a preferred embodiment, the easy-to-clean municipal water supply and drainage filtering device has a filter frame fixed to the outer edge of the filter, the filter frame and the filter fixing frame are fixed by bolts, and the filter fixing frame is welded and fixed to the inner wall of the filter pipe.

[0007] The technical effect of adopting the above further solution is: through the above design, the flexibility of disassembling the filter screen is increased.

[0008] As a preferred embodiment, a fixed shaft is fixedly provided on the top of the filter pipe, the lower end of the fixed shaft is connected to a rotating column, the rotating column is fixedly connected to a spiral blade, the spiral blade is fixedly connected to a cleaning brush fixing frame through a connecting shaft, and a cleaning brush is fixed on the cleaning brush fixing frame.

[0009] The technical effect of adopting the above further scheme is: the water flow drives the spiral blade to rotate, and then drives the cleaning brush to rotate on the filter net, thereby improving the cleaning efficiency of the filter net in an environmentally friendly way and reducing the frequency of filter net clogging.

[0010] As a preferred embodiment, a filter box is provided in the filter pipe below the cleaning mechanism, and a sealing strip is provided on the outer edge of the bottom of the filter box.

[0011] The technical effect of adopting the above further solution is: the cleaning brush sweeps the impurities to the filter box, collects the impurities in a unified manner, and the filter box is also sealed.

[0012] As a preferred embodiment, fixing plates are provided at both ends of the filter box, a fixing block is provided on the outer wall of the filter pipe, a circular groove is opened on the fixing block, and a threaded sleeve is welded inside the circular groove, and the fixing plate is fixedly connected to the fixing block by fixing screws.

[0013] The technical effect of adopting the above further solution is: the filter box is designed to be a detachable mechanism connected by screws, which is convenient for subsequent cleaning.

[0014] As a preferred embodiment, the top of the air pump penetrates the inner wall of the filter pipe, an air inlet is provided on the upper surface of the air pump, an air outlet is provided below the air pump, and a handle is provided on the upper surface of the air pump.

[0015] The technical effect of adopting the above further solution is: by repeatedly pressing the handle, external air enters the filter pipe through the air pump, increasing the air pressure inside the filter pipe, accelerating the water flow rate, and thus improving the filtering and cleaning efficiency.

[0016] As a preferred embodiment, the water inlet pipe is welded with a bolt clamping plate at the connection with the filter pipe, the water outlet pipe is welded with a bolt clamping plate at the connection with the filter pipe, the filter pipe is welded with a bolt calibration plate at the connection with the water inlet pipe, and the filter pipe is welded with a bolt calibration plate at the connection with the water outlet pipe. Circular grooves are provided at the four corners of the bolt clamping plate and the bolt calibration plate, and threaded sleeves are welded inside the circular grooves. The bolt clamping plate and the bolt calibration plate are threadedly connected with the threaded sleeves through bolts.

[0017] The technical effect of adopting the above further solution is: the filter pipe is designed to be connected with the water outlet pipe and the water inlet pipe by bolts, thereby improving the freedom of assembly of the filter pipe.

[0018] Compared with the prior art, the advantages and positive effects of the utility model are:

[0019] The utility model discloses a filter screen that is easily cleaned by a cleaning brush and has a lot of cleaning effects on the filter screen. The utility model discloses a filter screen that is easily cleaned by a cleaning brush and has a lot of cleaning effects on the filter screen. The utility model discloses a filter screen that is easily cleaned by a cleaning brush and has a lot of cleaning effects on the filter screen. The utility model discloses a filter screen that is easily cleaned by a cleaning brush and has a lot of cleaning effects on the filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A three-dimensional diagram of a municipal water supply and drainage filter device that is easy to clean provided by the utility model.

[0021] Figure 2 The utility model provides a schematic diagram of the cleaning mechanism structure of a municipal water supply and drainage filter device which is easy to clean.

[0022] Figure 3 The utility model provides a schematic diagram of the structure of a filter mechanism of a filter device for municipal water supply and drainage that is easy to clean.

[0023] Figure 4 The utility model provides a schematic diagram of the air pump structure of a municipal water supply and drainage filtering device which is easy to clean.

[0024] Legend:

[0025] 1. Water inlet pipe; 2. Water outlet pipe; 3. Filter pipe; 4. Filter mechanism; 5. Cleaning mechanism; 6. Bolt; 7. Bolt clamping plate; 8. Bolt calibration plate; 9. Observation window; 10. Air pump; 11. Handle; 12. Air inlet; 13. Air outlet;

[0026] 401, filter; 402, filter frame; 403, filter fixing frame; 404, filter box; 405, sealing strip; 406, fixing block; 407, fixing plate; 408, fixing screw;

[0027] 501, spiral blade; 502, fixed shaft; 503, connecting shaft; 504, rotating column; 505, cleaning brush; 506, cleaning brush fixing bracket. DETAILED DESCRIPTION

[0028] 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.

[0029] Example 1

[0030] like Figure 1-4 As shown, the utility model provides a technical solution: a filtering device for municipal water supply and drainage that is easy to clean, comprising an inlet pipe 1, a filtering pipe 3 and an outlet pipe 2, wherein the filtering pipe 3 is arranged between the inlet pipe 1 and the outlet pipe 2, an observation window 9 is provided on the surface of the filtering pipe 3, an air pump 10 is fixedly arranged on the filtering pipe 3, an air inlet 12 is provided on the upper surface of the air pump 10, an air outlet 13 is provided below the air pump 10, a cleaning mechanism 5 and a filtering mechanism 4 are arranged inside the filtering pipe 3, the cleaning mechanism 5 comprises a cleaning brush 505, the filtering mechanism 4 comprises a filtering net 401, the outer surface of the cleaning brush 505 is in contact with the filtering net 401, and the filtering pipe 3 is provided with a cleaning mechanism 5 and a filtering mechanism 4. A fixed shaft 502 is fixedly arranged at the top, the lower end of the fixed shaft 502 is connected to a rotating column 504, the rotating column 504 is fixedly connected to the spiral blade 501, the spiral blade 501 is fixedly connected to a cleaning brush fixing frame 506 through a connecting shaft 503, a cleaning brush 505 is fixed on the cleaning brush fixing frame 506, a filter box 404 is provided at the filter pipe 3 below the cleaning mechanism 5, both ends of the filter box 404 are provided with fixing plates 407, the outer wall of the filter pipe 3 is provided with a fixing block 406, the fixing block 406 is provided with a circular groove, and a threaded sleeve is welded inside the circular groove, and the fixing plate 407 is fixedly connected to the fixing block 406 through a fixing screw 408.

[0031] In this embodiment, a water flow is designed to drive the spiral blade 501 to drive the cleaning brush 505 to rotate and clean the filter 401, thereby improving the cleaning efficiency of the filter 401 and reducing the probability of the filter 401 being blocked by impurities. The filter box 404 is designed to receive the impurities cleaned by the cleaning brush 505 for unified collection of the impurities. The filter box 404 is designed to be a detachable structure connected by fixing screws 408, thereby improving the convenience of disassembly and cleaning.

[0032] Example 2

[0033] like Figure 1-4As shown, a filter frame 402 is fixed to the outer edge of the filter 401, and the filter frame 402 is fixed to the filter fixing frame 403 by bolts. The filter fixing frame 403 is welded and fixed to the inner wall of the filter pipe 3, and a sealing strip 405 is arranged on the bottom outer edge of the filter box 404. A bolt clamping plate 7 is welded to the connection between the inlet pipe 1 and the filter pipe 3, and a bolt clamping plate 7 is welded to the connection between the outlet pipe 2 and the filter pipe 3. A bolt calibration plate 8 is welded to the connection between the filter pipe 3 and the inlet pipe 1, and a bolt calibration plate 8 is welded to the connection between the filter pipe 3 and the outlet pipe 2. Circular grooves are provided at the four corners of the bolt clamping plate 7 and the bolt calibration plate 8, and threaded sleeves are welded inside the circular grooves. The bolt clamping plate 7 and the bolt calibration plate 8 are threadedly connected to the threaded sleeves through bolts 6.

[0034] In this embodiment, as a preferred implementation mode, a filter frame 402 is fixed to the outer edge of the filter 401, and the filter frame 402 is fixed to the filter fixing frame 403 by bolts, so as to increase the flexibility of disassembling the filter 401, and a sealing strip 405 is provided on the bottom outer edge of the filter box 404 to increase the sealing performance of the filter box 404, and the filter pipe 3 is designed to be connected to the water outlet pipe 2 and the water inlet pipe 1 by bolts 6, so as to increase the freedom of assembly of the filter pipe 3.

[0035] Working principle:

[0036] like Figure 1-4 As shown, the spiral blade 501 is driven to rotate by the designed water flow, thereby driving the cleaning brush 505 to rotate and clean the filter 401. The impurities on the filter 401 are cleaned to the filter box 404 below. The filter box 404 is designed to be a detachable structure connected by fixing screws 408, which improves the convenience of disassembly and cleaning. When cleaning is needed, the filter box 404 can be directly disassembled and cleaned. By setting an observation window 9 on the surface of the filter pipe 3, when blockage is observed, the handle 11 can be pressed to increase the pressure inside the filter pipe 3 by using the air pump 10, and the water flow speed can be accelerated to drive the cleaning brush 505 to flush the filter 401 at a higher speed. The main structure of the filter 401 does not need to be manually cleaned under normal circumstances, which greatly saves the consumption of related supplies and the workload of manual cleaning.

[0037] The above description is only a preferred embodiment of the present invention and does not constitute any other form of limitation to the present invention. Any technician familiar with the profession may use the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes and apply them to other fields. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A filter device for municipal water supply and drainage that is easy to clean, comprising a water inlet pipe (1), a filter pipe (3) and a water outlet pipe (2), characterized in that: A filter pipe (3) is arranged between the water inlet pipe (1) and the water outlet pipe (2); an observation window (9) is provided on the surface of the filter pipe (3); an air pump (10) is fixedly arranged on the top of the filter pipe (3); a cleaning mechanism (5) and a filter mechanism (4) are arranged inside the filter pipe (3); the cleaning mechanism (5) comprises a cleaning brush (505); the filter mechanism (4) comprises a filter net (401); and the outer surface of the cleaning brush (505) is in contact with the filter net (401); A filter screen frame (402) is fixed to the outer edge of the filter screen (401); the filter screen frame (402) is fixed to the filter screen fixing frame (403) by bolts; and the filter screen fixing frame (403) is welded and fixed to the inner wall of the filter pipe (3); A fixed shaft (502) is fixedly arranged at the top of the filtering pipe (3); the lower end of the fixed shaft (502) is connected to a rotating column (504); the rotating column (504) is fixedly connected to the spiral blade (501); the spiral blade (501) is fixedly connected to a cleaning brush fixing frame (506) via a connecting shaft (503); a cleaning brush (505) is fixedly arranged on the cleaning brush fixing frame (506); A filter box (404) is provided on the inner wall of the filter pipe (3) below the cleaning mechanism (5), and a sealing strip (405) is provided on the outer edge of the bottom of the filter box (404); The filter box (404) is provided with fixing plates (407) at both ends, the outer wall of the filter pipe (3) is provided with a fixing block (406), the fixing block (406) is provided with a circular groove, and a threaded sleeve is welded inside the circular groove, and the fixing plate (407) is fixedly connected to the fixing block (406) by fixing screws (408).

2. A filter device for municipal water supply and drainage that is easy to clean according to claim 1, characterized in that: The top of the air pump (10) penetrates the inner wall of the filter pipe (3), an air inlet (12) is provided on the upper surface of the air pump (10), an air outlet (13) is provided below the air pump (10), and a handle (11) is provided on the upper surface of the air pump (10).

3. The easy-to-clean municipal water supply and drainage filtering device according to claim 1, characterized in that: The water inlet pipe (1) is welded with a bolt clamping plate (7) at the connection with the filter pipe (3), the water outlet pipe (2) is welded with a bolt clamping plate (7) at the connection with the filter pipe (3), the filter pipe (3) is welded with a bolt calibration plate (8) at the connection with the water inlet pipe (1), and the filter pipe (3) is welded with a bolt calibration plate (8) at the connection with the water outlet pipe (2), the four corners of the bolt clamping plate (7) and the bolt calibration plate (8) are provided with circular grooves, and the inside of the circular grooves is welded with threaded sleeves, and the bolt clamping plate (7) and the bolt calibration plate (8) are threadedly connected with the threaded sleeves through bolts (6).

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