Seepage and drainage structure and sponge city water circulation system

Abstract

The utility model relates to the technical field of sponge cities, in particular to a seepage and drainage structure and a sponge city water circulation system, which comprise a catch basin, an outer well, an inner well, a water outlet pipe, a shunt pipe, a rainwater grate, a filter screen box and an anti-blocking component, the catch basin consists of the outer well and the inner well, and the inner well and the outer well are respectively connected with the water outlet pipe and the shunt pipe; the inner well is connected to the inner wall of the outer well, overflow ports are formed in the two side walls of the inner well, the rainwater grate is placed on a step formed in the outer well, the filter screen box is placed on a containing groove formed in the inner well, and the anti-blocking assembly is connected to the rainwater well. According to the rainwater well, rainwater is collected to generate pressure to push the rainwater grate and the filter screen box, the pressure pushes the anti-blocking assembly, the rainwater grate and the rotating piece on the filter screen box to rotate, and the area of a water inlet of the rainwater well can be enlarged after the rotating pieces of the rainwater grate and the filter screen box rotate; after sundries on the rainwater grate and the filter screen box are collected into the rainwater well, the anti-blocking assembly can automatically reset to prevent accidental injuries caused by treading of pedestrians.

Description

Technical Field

[0001] The utility model relates to the technical field of sponge cities, in particular to a percolation and drainage structure and a sponge city water circulation system. Background Technique

[0002] A sponge city is a new generation of urban rain and flood management concept, which means that a city can be like a sponge and has good elasticity in adapting to environmental changes and coping with natural disasters brought by rainwater, and can also be called a "water elastic city".

[0003] After retrieval, Chinese Patent Publication No. CN216339918U discloses a sponge city percolation and drainage structure and a sponge city water circulation system, which are applied to the field of sponge cities. It includes a rainwater well, a diversion pipe and a water outlet pipe. The rainwater well includes an inner well and an outer well. The inner well is installed in the outer well. A filtering cavity is formed between the outer well and the inner well. A filtering layer is arranged in the filtering cavity. A rainwater grate is arranged at the top of the outer well. The cavity inside the inner well is set as a water receiving cavity. A filtering hanging basket is installed at the top of the water receiving cavity. An outlet is opened at the lower part of the inner well. The water outlet pipe is arranged on the outer well and is communicated with the inner well through the outlet. A number of overflow holes are formed through the inner well, and the overflow holes are located between the filtering hanging basket and the outlet. The diversion pipe is arranged on the outer well and is communicated with the urban drainage system. The diversion pipe is located above the water outlet pipe. This application has the effect that rainwater is not easily accumulated in the rainwater well.

[0004] However, in the above technical solution, only the diversion pipe and the overflow hole are used to prevent the problem of water body overflow caused by the slow filtering component. However, when the rainfall is large, sundries such as leaves, dead branches, plastic bags and paper in the rainwater are easy to block the rainwater grate and the filtering hanging basket, and it is difficult for the blocked rainwater to enter the inner well for diversion. Content of the Utility Model

[0005] The purpose of the utility model is to propose a percolation and drainage structure and a sponge city water circulation system for the problems existing in the background technique.

[0006] The technical solution of the utility model: The percolation and drainage structure includes a rainwater well, which has an outer well and an inner well. An outlet pipe and a diversion pipe are respectively connected to the inner well and the outer well. The inner well is connected to the inner wall of the outer well. An overflow port is opened on the inner well; a rainwater grate, which is placed on the outer well; a filter mesh box, which is placed on a receiving groove opened on the inner well; an anti-blocking component, which is connected to the rainwater well; in the use state of the anti-blocking component, rainwater converges to push the anti-blocking component to rotate and expand the water inlet of the rainwater well.

[0007] Preferably, the rainwater grate is composed of a first fixed mesh plate and a first rotating mesh plate. Symmetrically arranged openings are formed on the first fixed mesh plate, and the first rotating mesh plate is rotatably connected in the openings.

[0008] Preferably, the filter screen box is composed of a filter frame and a movable screen plate. A fixed frame is connected to the filter frame and placed on the receiving groove. The movable screen plate is slidably connected to the filter frame.

[0009] Preferably, the movable screen plate is composed of a second fixed screen plate and a second rotating screen plate. The second fixed screen plate is connected to one end of the fixed rod, and two symmetrically arranged second rotating screen plates are rotatably connected to the second fixed screen plate.

[0010] Preferably, a magnetic attraction member is connected to the second rotating screen plate, and the magnetic attraction member is magnetically connected to the filter frame.

[0011] Preferably, the anti-clogging assembly includes a fixed rod, one end of which is connected to the first fixed screen plate, and the other end of the fixed rod passes through the second fixed screen plate and is connected with a limit block; an elastic member sleeved outside the fixed rod, and the elastic member is connected between the limit block and the first fixed screen plate; two connecting rods are symmetrically arranged, one end of the connecting rod is rotatably connected to the first rotating screen plate, and the other end of the connecting rod is rotatably connected to the second rotating screen plate.

[0012] Preferably, an inclined filter plate is connected to the side wall of the inner well, and the position of the filter plate is higher than the water outlet pipe.

[0013] A sponge city water circulation system includes the infiltration and drainage structure described in any one of the above.

[0014] Compared with the prior art, the above technical solutions of the present utility model have the following beneficial technical effects:

[0015] In the present utility model, when the sundries contained in the rainwater block the mesh holes of the rain grate and the filter screen box, the rainwater continuously accumulates and generates pressure to push the rain grate and the filter screen box. The anti-clogging assembly, the rain grate and the rotating parts on the filter screen box are pushed by the pressure of the rainwater to rotate. After the rotating parts of both rotate, the area of the water inlet of the rain well will be enlarged. After the sundries on the rain grate and the filter screen box are collected into the rain well, the anti-clogging assembly will automatically reset to prevent accidental injuries caused by pedestrians stepping on it. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a perspective view of the present utility model;

[0017] Figure 2 is Figure 1 a cross-sectional schematic view of;

[0018] Figure 3 is Figure 2 an enlarged view of the structure at A of;

[0019] Figure 4 is an exploded view of the filter screen box and the rain grate.

[0020] Reference numerals: 1, rainwater well; 2, outer well; 3, inner well; 4, outlet pipe; 5, shunt pipe; 6, rainwater grate; 7, filter mesh box; 8, first fixed mesh plate; 9, first rotating mesh plate; 10, filter frame; 11, moving mesh plate; 12, second fixed mesh plate; 13, second rotating mesh plate; 14, magnetic component; 15, fixed rod; 16, elastic component; 17, connecting rod; 18, filter plate. Detailed implementation mode

[0021] Embodiment 1

[0022] As Figures 1 - 4 shown, the infiltration and drainage structure and the sponge city water cycle system proposed by the present utility model include a rainwater well 1, an outer well 2, an inner well 3, an outlet pipe 4, a shunt pipe 5, a rainwater grate 6, a filter mesh box 7 and an anti-blocking component. The rainwater well 1 is composed of the outer well 2 and the inner well 3. An outlet pipe 4 and a shunt pipe 5 are respectively connected to the inner well 3 and the outer well 2. The inner well 3 is connected to the inner wall of the outer well 2. Overflow ports are opened on both side walls of the inner well 3. The rainwater grate 6 is placed on the step opened on the outer well 2;

[0023] In an alternative embodiment, the rainwater grate 6 is composed of a first fixed mesh plate 8 and a first rotating mesh plate 9. Symmetrically arranged openings are opened on the first fixed mesh plate 8. The first rotating mesh plate 9 is rotatably connected in the openings;

[0024] The filter mesh box 7 is placed on the receiving groove opened on the inner well 3;

[0025] In an alternative embodiment, the filter mesh box 7 is composed of a filter frame 10 and a moving mesh plate 11. A fixed frame is connected to the moving mesh plate 11. The fixed frame is placed on the receiving groove. The moving mesh plate 11 is slidably connected to the filter frame 10;

[0026] In an alternative embodiment, the moving mesh plate 11 is composed of a second fixed mesh plate 12 and a second rotating mesh plate 13. The second fixed mesh plate 12 is connected to one end of the fixed rod 15. Two symmetrically arranged second rotating mesh plates 13 are rotatably connected to the second fixed mesh plate 12;

[0027] In an alternative embodiment, a magnetic component 14 is connected to the second rotating mesh plate 13. The magnetic component 14 is magnetically connected to the filter frame 10; The magnetic component 14 is selected but not limited to a permanent magnet;

[0028] The anti-blocking component is connected to the rainwater well 1; In the use state of the anti-blocking component, when sundries block the rainwater grate 6 and the filter mesh box 7, rainwater continuously accumulates and generates pressure due to the accumulated weight. The pressure of the rainwater pushes the rotating parts on the anti-blocking component, the rainwater grate 6 and the filter mesh box 7 to rotate. After the rotating parts of both rotate, the inlet area of the rainwater well 1 will be enlarged. After the sundries are collected inside the rainwater well 1, the anti-blocking component will automatically reset to prevent accidental injuries caused by pedestrians stepping on it.

[0029] Embodiment 2

[0030] As Figures 1 - 2 shown, for the infiltration and drainage structure and the sponge city water cycle system proposed by the present utility model, compared with Embodiment 1, the detailed structure of the anti-blocking component is described in this embodiment. The anti-blocking component includes a fixing rod 15, an elastic member 16 and a connecting rod 17. One end of the fixing rod 15 is connected to the lower end surface of the first fixing mesh plate 8, and the other end of the fixing rod 15 passes through the through hole on the second fixing mesh plate 12 and is connected with a limiting block. The elastic member 16 is sleeved outside the fixing rod 15, and the elastic member 16 is connected between the limiting block and the fixing mesh plate; the elastic member 16 is selected but not limited to a spring; two connecting rods 17 are symmetrically arranged. One end of the connecting rod 17 is hingedly connected to the first rotating mesh plate 9, and the other end of the connecting rod 17 is hingedly connected to the second rotating mesh plate 13.

[0031] In an alternative embodiment, a slantingly arranged filter plate 18 is connected to the side wall of the inner well 3, and the position of the filter plate 18 is higher than that of the water outlet pipe 4; the mesh number of the filter plate 18 is the same as or greater than that of the filter mesh box 7.

[0032] In summary, when the utility model is in use, rainwater converges from a high place to the rainwater well 1 at a low place. Larger-sized sundries mixed in the rainwater are blocked by the rainwater grate 6, and smaller-sized sundries enter the inner well 3 through the water-permeable holes on the rainwater grate 6. The rainwater enters the filter mesh box 7 in the inner well 3 and is discharged onto the upper side of the lower filter plate 18 after being filtered twice by the filter mesh box 7. The rainwater enters the outlet pipe 4 through the mesh holes on the filter plate 18 and is discharged into other processes or pipelines. When the water inlet and outlet mesh holes of the rainwater grate 6 or the filter mesh box 7 are blocked by large-sized sundries such as plastic bags or leaves, the rainwater above the rainwater grate 6 and the movable mesh plate 11 accumulates continuously. After the weight of the accumulated rainwater increases, it will press down the rainwater grate 6 and the movable mesh plate 11. After the movable mesh plate 11 compresses the length of the elastic member 16, the movable mesh plate 11 moves along the central axis of the fixed rod 15 towards the limiting block. The movable mesh plate 11 moves downward and away from the filter frame 10 to form a larger opening to facilitate the discharge of sundries and prevent blockage. When the movable mesh plate 11 moves, the second rotating mesh plate 13 inside it will also rotate accordingly because the magnetic attraction member 14 loses the suction force with the filter frame 10, so as to discharge the sundries by imitation. While the movable mesh plate 11 moves downward, the connecting rods 17 connected to the second rotating mesh plates 13 on both sides thereof will also drive the first rotating mesh plate 9 to rotate. The first rotating mesh plate 9 rotates within the opening on the rainwater grate 6 to open a larger opening on the rainwater grate 6, guiding the sundries blocked on the rainwater grate 6 into the filter mesh box 7 and then discharging them into the inner well 3 through the movement of the movable mesh plate 11. The filter plate 18 isolates and temporarily stores them to prevent the problem that rainwater cannot be discharged due to blockage. When the mesh holes of the filter plate 18 are blocked and it is difficult to discharge rainwater, the rainwater rises in the inner well 3 and is discharged into the outer well 2 through the overflow port and then into other pipelines or steps through the shunt pipe 5.

[0033] The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings. However, the present utility model is not limited thereto. Various changes can be made without departing from the spirit of the present utility model within the scope of knowledge possessed by those skilled in the art to which the present utility model pertains.

Claims

1. A drainage structure, characterized in that: include A rainwater well (1) comprises an outer well (2) and an inner well (3), the inner well (3) and the outer well (2) are respectively connected with a water outlet pipe (4) and a diversion pipe (5), the inner well (3) is connected to the inner wall of the outer well (2), and an overflow port is provided on the inner well (3); A rainwater grate (6) placed on the outer well (2); A filter box (7) is placed on a receiving groove opened on the inner well (3); The anti-blocking component is connected to the rainwater well (1); when the anti-blocking component is in use, rainwater collects and pushes the anti-blocking component to rotate to expand the water inlet of the rainwater well (1).

2. A drainage structure according to claim 1, characterized in that: The rainwater grate (6) is composed of a first fixed mesh plate (8) and a first rotating mesh plate (9). The first fixed mesh plate (8) is provided with symmetrically arranged openings, and the first rotating mesh plate (9) is rotatably connected in the openings.

3. A drainage structure according to claim 1, characterized in that: The filter screen box (7) is composed of a filter frame (10) and a movable screen plate (11). The filter frame (10) is connected with a fixed frame, which is placed on the receiving groove. The movable screen plate (11) is slidably connected with the filter frame (10).

4. A drainage structure according to claim 3, characterized in that: The movable mesh plate (11) is composed of a second fixed mesh plate (12) and a second rotating mesh plate (13); the second fixed mesh plate (12) is connected to one end of a fixed rod (15); and two symmetrically arranged second rotating mesh plates (13) are rotatably connected to the second fixed mesh plate (12).

5. A drainage structure according to claim 3, characterized in that: The second rotating mesh plate (13) is connected to a magnetic attraction member (14), and the magnetic attraction member (14) is magnetically connected to the filter frame (10).

6. A drainage structure according to claim 3, characterized in that: Anti-clogging kit includes A fixing rod (15), one end of which is connected to the first fixing mesh plate (8), and the other end of the fixing rod (15) passes through the second fixing mesh plate (12) and is connected to the limiting block; An elastic member (16) is sleeved on the outside of the fixing rod (15), and the elastic member (16) is connected between the limit block and the first fixing mesh plate (8); Two connecting rods (17) are symmetrically arranged, one end of the connecting rod (17) is rotatably connected to the first rotating mesh plate (9), and the other end of the connecting rod (17) is rotatably connected to the second rotating mesh plate (13).

7. A drainage structure according to claim 1, characterized in that: A filter plate (18) arranged obliquely is connected to the side wall of the inner well (3), and the position of the filter plate (18) is higher than the water outlet pipe (4).

8. A sponge city water circulation system, characterized in that: It comprises the drainage structure described in any one of claims 1 to 7.

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