Flow discarding device

Abstract

The utility model discloses a flow discarding device which comprises a pipe body, a flow inlet and a flow outlet are respectively arranged on two sides of the pipe body, a drain outlet is further arranged at the bottom of the pipe body, a floating ball valve matched with the drain outlet is arranged in the pipe body, a filter screen opposite to the flow outlet is further arranged in the pipe body, and a supporting shaft is arranged in the flow outlet. The supporting shaft is configured to be arranged in a springing mode towards one side of the filter screen, an abutting and supporting piece is arranged at the end, close to the filter screen, of the supporting shaft, and the abutting and supporting piece abuts against the filter screen under the action of elastic force. The supporting shaft bounces towards one side of the filter screen to drive the abutting and supporting piece to abut against the filter screen, the abutting and supporting piece can support the filter screen, and therefore the filter screen can be prevented from deforming due to water pressure. Compared with the prior art, the propping piece capable of propping towards one side of the filter screen is arranged in the flow outlet of the flow discarding device, so that the filter screen can be prevented from being deformed due to water pressure.

Description

Technical Field

[0001] The utility model relates to the technical field of rainwater filtration, in particular to a flow abandonment device. Background Art

[0002] With the rapid development of urbanization, the proportion of impermeable areas in cities continues to increase, and runoff pollution formed by urban rainfall has become one of the main sources of urban water environment pollution. The originally clean natural rainfall is affected by roads, squares, roofs and even air dust, making it rich in impurities and pollutants, resulting in poor water quality in the early stage. If the initial rainwater is directly discharged into the natural receiving water body, it will cause very serious pollution to the water body. If it is collected directly, its water quality will not only affect the collection and storage of rainwater, but also increase the production cost of subsequent rainwater treatment. Therefore, in the process of improving the water quality and environment of rainwater, the initial rainwater must be abandoned.

[0003] Existing flow abandonment devices generally include a pipe body, with an inlet and an outlet respectively arranged on both sides of the pipe body, a sewage outlet also arranged at the bottom of the pipe body, and a float valve matched with the sewage outlet arranged in the pipe body. In the early stage of rain, due to the small water flow, the water flows into the pipe body through the inlet and can be discharged through the sewage outlet. As the amount of rainwater increases, the float valve floats up to close the sewage outlet, and the water will flow normally through the outlet. Among them, in order to filter the water flow, a filter net is often arranged in the pipe body opposite to the outlet, and the filter net can filter impurities in the water flow, so as to make the collected rainwater purer. However, during use, the filter net is often deformed due to water pressure. Utility Model Content

[0004] The utility model aims to overcome the deficiencies of the prior art and provide a flow abandonment device.

[0005] The purpose of this utility model is achieved through the following technical solutions:

[0006] A flow abandonment device comprises a pipe body, wherein an inlet and an outlet are respectively arranged on both sides of the pipe body, a sewage outlet is also arranged at the bottom of the pipe body, a float valve cooperating with the sewage outlet is arranged in the pipe body, a filter screen opposite to the outlet is also arranged in the pipe body, a support shaft is arranged in the outlet, the support shaft is configured to be elastically arranged toward one side of the filter screen, a support piece is arranged at the end of the support shaft close to the filter screen, and the support piece is supported on the filter screen under the action of elastic force.

[0007] The support member includes a filter plate or a plurality of circumferentially arranged support rods.

[0008] A mounting seat is arranged in the outlet, a mounting hole is constructed on the mounting seat, the support shaft is adapted in the mounting hole, a flange is arranged on the side wall of the support shaft, and an elastic member is arranged between the flange and the mounting seat.

[0009] The mounting seat is spoke-shaped, and the ends of the spokes of the mounting seat are provided with bent portions, and the bent portions are bolt-connected to the inner wall of the outlet.

[0010] A connecting hole is provided through the mounting seat, a connecting shaft is threadedly connected to the connecting hole, and the elastic member is provided at the end of the connecting shaft facing the filter screen.

[0011] A support hole is configured on the filter screen, and the end of the support shaft close to the filter screen is adapted in the support hole.

[0012] The support shaft is rotatable, and a driving blade is provided on the side wall of the support shaft. The driving blade is configured to drive the support shaft to rotate under the impact of water flow. A scraper rod is detachably connected to the end of the support shaft extending from the filter net, and the scraper rod abuts against the filtering surface of the filter net.

[0013] The scraper rod is provided with bristles which abut against the filtering surface of the filter screen.

[0014] The beneficial effect of the utility model is that the elastic movement of one side of the supporting axial filter can drive the support member to contact the filter, and the support member can support the filter, thereby preventing the filter from being deformed due to water pressure. Compared with the prior art, the outlet of the flow abandonment device of the utility model is provided with a support member that can support one side of the filter, thereby preventing the filter from being deformed due to water pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of an embodiment;

[0016] Figure 2 for Figure 1 A magnified view of part A;

[0017] Figure 3 for Figure 1 Enlarged view of part B.

[0018] Figure numerals: 1. tube body; 2. inlet; 3. outlet; 4. drain outlet; 5. float valve; 6. filter screen; 7. support shaft; 8. support member; 9. mounting seat; 10. mounting hole; 11. flange; 12. elastic member; 13. bending portion; 14. connecting hole; 15. connecting shaft; 16. supporting hole; 17. driving blade; 18. scraper rod; 19. bristles; 20. first end; 21. second end; 22. connecting port. DETAILED DESCRIPTION

[0019] The following will be combined with the embodiments to clearly and completely describe the technical solution 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 of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0020] like Figure 1 , Figure 2 , Figure 3 As shown, a flow abandonment device includes a pipe body 1. Similar to the prior art, an inlet 2 and an outlet 3 are respectively provided on both sides of the pipe body 1, and a sewage outlet 4 is also provided at the bottom of the pipe body 1. Specifically, a connecting port 22 connected to the sewage outlet 4 is provided in the pipe body 1, and a float valve 5 is adapted in the connecting port 22. Among them, the float valve 5 is a prior art, so it is not described in detail in this disclosure. Simply put, the float valve 5 may include a connecting rod, a float ball is provided at the top of the connecting rod, and a valve body is provided at the bottom. In the early stage of rain, the water flow entering the pipe body 1 through the inlet 2 is small, so it can be directly discharged through the connecting port 22 and the sewage outlet 4; as the rainfall increases, the float ball will float up, thereby driving the valve body to close the connecting port 22, and the water flow can be discharged through the outlet 3 for collection. In order to filter the water flow, a filter screen 6 is provided in the tube body 1 opposite to the outlet 3. The filter screen 6 can filter impurities in the water flow, so that the collected rainwater has a higher purity.

[0021] During use, the filter 6 often undergoes an inward deformation toward the side of the outlet 3 due to water pressure, which not only reduces the service life of the filter 6, but also when the rain stops, impurities are often attached to the concave surface of the filter 6. Therefore, the concave surface of the filter 6 is more prone to blockage, affecting the normal use of the flow abandonment device.

[0022] In this regard, a support shaft 7 is provided in the outlet 3 of the present disclosure, and a support member 8 is provided at the end of the support shaft 7 close to the filter screen 6, and the support shaft 7 is also configured to be elastically arranged toward one side of the filter screen 6, so that the support member 8 will support the filter screen 6 under the action of elastic force, thereby preventing the filter screen 6 from being deformed due to water pressure.

[0023] In some embodiments, a mounting seat 9 is provided in the outflow hole, and a mounting hole 10 is configured on the mounting seat 9. For the convenience of description, the end of the support shaft 7 close to the filter screen 6 is defined as the first end 20, and the end of the support shaft 7 close to the mounting seat 9 is defined as the second end 21. The support member 8 is provided on the first end 20, and the second end 21 is adapted to be supported in the mounting hole 10.

[0024] For example, a flange 11 is provided on the side wall of the support shaft 7, and an elastic member 12 is provided between the flange 11 and the mounting seat 9, and the elastic member 12 and the flange 11 are in contact with each other to realize the elastic movement of the support shaft 7 toward the filter screen 6. The elastic member 12 may preferably be a spring.

[0025] In a preferred embodiment, the mounting seat 9 is provided with a connecting hole 14, and a plurality of connecting holes 14 are provided along the circumferential direction, and a connecting shaft 15 is threadedly connected in each connecting hole 14, and the elastic member 12 is provided at the end of the connecting shaft 15 facing the filter screen 6. It can be understood that by screwing the connecting shaft 15 and the connecting hole 14, on the one hand, it is convenient to install the elastic member 12, and on the other hand, it is convenient to adjust the elastic force of the elastic member 12, so as to achieve a suitable supporting force of the supporting member 8 on the filter screen 6. For example, the supporting force of the supporting member 8 on the filter screen 6 can be adjusted based on the water pressure generated by the filter screen 6 based on the local rainfall.

[0026] For example, the mounting seat 9 may be spoke-shaped, so as to facilitate the normal discharge of water. The mounting seat 9 may preferably include a main body and spokes circumferentially arranged on the side wall of the main body, the mounting hole 10 is constructed on the main body, and the end of each spoke is provided with a bent portion 13. When assembling the outlet 3 of the mounting seat 9, a threaded hole may be opened on the inner wall of the outlet 3, and then the bent portion 13 may be bolted into the threaded hole to realize convenient assembly of the mounting seat 9.

[0027] In some embodiments, the support member 8 may include a filter plate or a plurality of circumferentially arranged support rods. It is understood that in the filter plate scheme, the filter plate can act on a larger support area of ​​the filter screen 6, and at the same time, it is not easy to affect the normal flow of water; while in the support rod scheme, a plurality of support rods can also act on a slightly larger support area, and because the actual blocking area of ​​the filter screen 6 is small, the flow of water is less likely to be affected.

[0028] In a preferred embodiment, the filter screen 6 is also configured with a support hole 16, and the first end 20 of the support shaft 7 is adapted to be supported in the support hole 16. In addition, the support shaft 7 is also configured to be rotatable, and a driving blade 17 is also provided on the side wall between the first end 20 and the second end 21, and the driving blade 17 is configured to be able to drive the support shaft 7 to rotate under the impact of the water flow. Specifically, the first end 20 has a portion extending from the end of the filter screen 6, and a scraper rod 18 is detachably connected to the portion. More specifically, the scraper rod 18 is provided with bristles 19 that abut against the filtering surface of the filter screen 6.

[0029] When rainwater is discharged through the outlet 3, the driving blade 17 drives the support shaft 7 to rotate, and then the rotating scraper rod 18 can clean the filter surface of the filter screen 6 through the bristles 19, making the filter screen 6 less prone to clogging.

[0030] The discarding device disclosed herein may have the following assembly process:

[0031] First, the mounting seat 9 is assembled in the outlet 3, and then the second end 21 of the support shaft 7 is inserted into the mounting hole 10 of the mounting seat 9, and then the filter screen 6 is assembled in the tube body 1. For example, the first end 20 of the support shaft 7 can be inserted into the support hole 16 of the filter screen 6, and then the filter screen 6 is pressed toward one side of the mounting seat 9 so that the filter screen 6 reaches its own locking position, and then the filter screen 6 and the tube body 1 are locked, and finally the scraper rod 18 can be installed on the first end 20.

[0032] The above is only a preferred embodiment of the utility model. It should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A flow abandonment device, comprising a pipe body (1), wherein the pipe body (1) is provided with an inlet (2) and an outlet (3) on both sides thereof, a sewage outlet (4) is further provided at the bottom of the pipe body (1), a floating ball valve (5) matched with the sewage outlet (4) is provided in the pipe body (1), and a filter screen (6) opposite to the outlet (3) is further provided in the pipe body (1), Its characteristics are: A support shaft (7) is arranged in the outlet (3), and the support shaft (7) is configured to be elastically arranged toward one side of the filter screen (6). A support member (8) is arranged at the end of the support shaft (7) close to the filter screen (6), and the support member (8) is supported against the filter screen (6) under the action of elastic force.

2. The flow abandonment device according to claim 1, Its characteristics are: The supporting member (8) comprises a filter plate or a plurality of supporting rods arranged circumferentially.

3. The flow abandonment device according to claim 1, Its characteristics are: A mounting seat (9) is arranged in the outlet (3), a mounting hole (10) is formed on the mounting seat (9), the support shaft (7) is fitted in the mounting hole (10), a flange (11) is arranged on the side wall of the support shaft (7), and an elastic member (12) is arranged between the flange (11) and the mounting seat (9).

4. The flow abandonment device according to claim 3, Its characteristics are: The mounting seat (9) is spoke-shaped, and the ends of the spokes of the mounting seat (9) are provided with bent portions (13), and the bent portions (13) are bolt-connected to the inner wall of the outlet (3).

5. The flow abandonment device according to claim 3, Its characteristics are: The mounting seat (9) is provided with a connecting hole (14) extending therethrough, the connecting hole (14) is internally threadedly connected to a connecting shaft (15), and the elastic member (12) is arranged at the end of the connecting shaft (15) facing the filter screen (6).

6. The flow abandonment device according to any one of claims 1 to 5, Its characteristics are: The filter screen (6) is provided with a support hole (16), and the end of the support shaft (7) close to the filter screen (6) is adapted to fit in the support hole (16).

7. The flow abandonment device according to claim 6, Its characteristics are: The support shaft (7) is rotatably arranged, and a driving blade (17) is arranged on a side wall of the support shaft (7), and the driving blade (17) is configured to be able to drive the support shaft (7) to rotate under the impact of water flow. The end of the support shaft (7) extending out of the filter screen (6) is also detachably connected with a scraper rod (18), and the scraper rod (18) abuts against the filtering surface of the filter screen (6).

8. The flow abandonment device according to claim 7, Its characteristics are: The scraper rod (18) is provided with bristles (19) that abut against the filtering surface of the filter screen (6).

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