Sponge city overflow well

Abstract

The utility model relates to an overflow well for a sponge city, which comprises an overflow cylinder buried in a concave green land, and an overflow drainage mechanism is assembled at the top of the overflow cylinder; the overflow drainage mechanism comprises an overflow drainage frame, the overflow drainage frame is arranged at the top of the overflow cylinder in a sleeving mode and placed on the concave green land, and a gap is reserved between the overflow drainage frame and the overflow cylinder to form a drainage channel; side-row grids are assembled on the periphery of the overflow drainage frame in the height direction, and the side-row grids are communicated with the drainage channel; the overflow drainage frame is ingenious in design, the side drainage grids are arranged on the periphery of the overflow drainage frame, the water inlet area in all directions on the periphery is larger, the overflow drainage frame is not prone to being completely shielded by large floating objects, submerged water inlet can avoid most floating objects, the overflow drainage frame is used for sponge city rainwater overflow, and the risk that an existing overflow well is blocked can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to overflow well technical field, especially relate to a sponge city overflow well. BACKGROUND

[0002] At present, China is vigorously promoting the construction of sponge city. The sponge city rainwater storage facilities include sunken green land, rainwater garden and the like. The sunken green land and the like need to be provided with rainwater overflow well to discharge the rainwater quantity outside storage, so as to avoid the waterlogging phenomenon. The traditional sponge city overflow well adopts top water inlet and top cover plate filtration.

[0003] The existing overflow well is provided with a grid at the top. After rainwater flows over the grid, the rainwater flows into the overflow well. However, the floating objects such as fallen leaves, dry grass, plastic and paper are easily accumulated on the water surface, thereby blocking the water inlet of the overflow well. The relatively small filtering grid area is prone to vortex, and the floating objects are easily adsorbed, so that the overflow drainage cannot be normally performed.

[0004] In view of the above problems, it is necessary to improve them. INVENTION CONTENTS

[0005] The utility model discloses a sponge city overflow well which has simple structure, ingenious design, large water inlet area and low risk of being blocked.

[0006] In order to achieve the above purpose, the utility model patent adopts the technical scheme of a sponge city overflow well which comprises an overflow cylinder embedded in a sunken green land. An overflow drainage mechanism is assembled on the top of the overflow cylinder. The overflow drainage mechanism comprises an overflow drainage frame which is sleeved on the top of the overflow cylinder and rests on the sunken green land. A spacing is left between the overflow drainage frame and the overflow cylinder to form a drainage channel. A side discharge grid is assembled around the overflow drainage frame along the height direction, and the side discharge grid and the drainage channel are in communication with each other.

[0007] As a preferred scheme of the utility model, a groove is formed on the top of the overflow drainage frame, and a manhole cover plate is assembled in the groove.

[0008] As a preferred scheme of the utility model, the top of the manhole cover plate and the top of the overflow drainage frame are on the same horizontal plane.

[0009] As a preferred scheme of the utility model, the distance between the top of the overflow drainage frame and the sunken green land is 300mm.

[0010] As a preferred scheme of the utility model, the distance between the top of the overflow cylinder and the sunken green land is 200mm.

[0011] As a preferred scheme of the utility model, the overflow cylinder top inside is equipped with a sewage interception hanging basket, which is detachably assembled in the overflow cylinder.

[0012] As a preferred scheme of the utility model, the cross section of the sewage interception hanging basket gradually decreases from top to bottom and is provided with a plurality of filter holes on the peripheral side.

[0013] As a preferred scheme of the utility model, a plurality of filter holes are equidistantly arranged on the outside of the sewage interception hanging basket.

[0014] As a preferred scheme of the utility model, the overflow cylinder bottom side is formed with a rainwater drainage pipe interface, which is connected to an external rainwater pipe network.

[0015] As a preferred scheme of the utility model, the side discharge grid top and the overflow drainage frame top are on the same horizontal plane.

[0016] The utility model has the advantages of:

[0017] 1. The utility model has simple structure, adopts side submergence type water inlet, and overflows from the well mouth after entering the overflow well; compared with the traditional top water inlet, the side water inlet has larger water inlet area and smaller water flow rate, and is not easy to generate vortex and adsorb floating objects;

[0018] 2. The utility model has ingenious design, sets up a side discharge grid around the overflow drainage frame, has larger water inlet area in each direction, is not easy to be completely shielded by larger floating objects, and the submergence type water inlet can also avoid most floating objects, is used for sponge city rainwater overflow, and can reduce the existing overflow well blockage risk. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is a cross-sectional view of the overflow well of the utility model embodiment;

[0020] Fig. 2 It is a top view of the overflow well of the utility model embodiment;

[0021] Mark description: overflow cylinder 1, side discharge grid 2, sewage interception hanging basket 3, manhole cover plate 4, rainwater drainage pipe interface 5, concave green land 6, overflow drainage mechanism 10, overflow drainage frame 11, drainage channel 12, filter hole 30. DETAILED DESCRIPTION

[0022] The technical scheme of the utility model will be described clearly and completely in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] In the description of the utility model, it is to be explained that, unless there is definite stipulation and limitation, the term "mounting", "connection" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirectly connected through intermediate medium, can be the intercommunication of two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned term in the utility model can be understood according of the specific circumstances.

[0024] Embodiment:

[0025] As Figs. 1-2 Indicated, a sponge city overflow well, including the overflow cylinder 1 buried in the concave green land 6, the overflow cylinder 1 top is equipped with overflow drainage mechanism 10;The overflow drainage mechanism 10 includes overflow drainage frame 11, overflow drainage frame 11 is set on the overflow cylinder 1 top and rests on the concave green land 6, and overflow drainage frame 11 and overflow cylinder 1 are left with spacing, form drainage channel 12;The four sides of overflow drainage frame 11 are equipped with side discharge grating 2 along the height direction, and side discharge grating 2 and drainage channel 12 are interconnected;The utility model has simple structure, adopts side submergence type water inlet, and then overflow drainage from wellhead after entering overflow well;Side water inlet is relative to traditional top water inlet, and the water inlet area is larger, and the water inlet flow rate is small and not easy to produce vortex, and not easy to adsorb floating objects.

[0026] The top of side discharge grating 2 and the top of overflow drainage frame 11 are on the same horizontal plane;The area of the entire side discharge grating 2 is maximum, so that the water inlet area is increased, the utility model is designed ingeniously, the side discharge grating is arranged around overflow drainage frame, the water inlet area in each direction around is larger, and it is not easy to be completely shielded by larger floating objects, and submergence type water inlet can also avoid most floating objects, for sponge city rainwater overflow, can reduce the risk of existing overflow well being blocked.

[0027] Wherein, the top of overflow drainage frame 11 is formed with a groove, and a manhole cover plate 4 is arranged in the groove, and the top of manhole cover plate 4 and the top of overflow drainage frame 11 are on the same horizontal plane.

[0028] In the embodiment, the distance between the top of overflow cylinder 1 and the concave green land 6 is 200mm;The distance between the top of overflow drainage frame 11 and the concave green land 6 is 300mm;Rainwater drainage pipe interface 5 is formed on one side of the bottom of overflow cylinder 1, and rainwater drainage pipe interface 5 is connected to external rainwater pipe network.

[0029] The overflow cylinder 1 is internally provided with a sewage interception basket 3, which is detachably assembled in the overflow cylinder 1; when the sewage interception basket 3 needs to be taken out, the manhole cover plate 4 is opened, and the sewage interception basket 3 is taken out, since most of the sundries are intercepted outside by the side discharge grating 2 located on the overflow drainage frame 11, the sundries in the sewage interception basket 3 are less, so that the sewage interception basket 3 is not blocked, and when the sewage interception basket 3 is taken out by being lifted upward, since the sewage interception basket 3 is small and the sundries in the sewage interception basket 3 are less, the weight of the sewage interception basket 3 is light, so that the sewage interception basket 3 can be easily taken out.

[0030] Meanwhile, the cross section of the sewage interception basket 3 gradually decreases from top to bottom, and a plurality of filter holes 30 are arranged on the circumferential side surface.

[0031] The working principle of the utility model is as follows: in the scheme, the lower concave green land 6 is at the elevation H, with the rising of the rainwater level, the rainwater enters from the side discharge grating 2, when the overflow water level H+200mm is reached, the rainwater flows into the overflow well from the inner wall of the overflow cylinder 1, and is discharged to the outdoor rainwater pipe network through the rainwater drainage pipe interface 5.

[0032] The above description of the disclosed embodiments enables those skilled in the art to carry out or use the utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model; therefore, the utility model will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

[0033] Although the terms such as overflow cylinder 1, side discharge grating 2, sewage interception basket 3, manhole cover plate 4, rainwater drainage pipe interface 5, lower concave green land 6, overflow drainage mechanism 10, overflow drainage frame 11, drainage channel 12, filter hole 30, etc. are used more in the drawings, the possibility of using other terms is not excluded. The use of these terms is only for the convenience of describing and explaining the essence of the utility model; any additional limitation is contrary to the spirit of the utility model.

Claims

1. A sponge city overflow well, characterized in that: The overflow barrel (1) is embedded in the sunken lawn (6), and the top of the overflow barrel (1) is equipped with an overflow drainage mechanism (10); the overflow drainage mechanism (10) comprises an overflow drainage frame (11) which is sleeved on the top of the overflow barrel (1) and rests on the sunken lawn (6), and a spacing is left between the overflow drainage frame (11) and the overflow barrel (1) to form a drainage channel (12); a side drainage grid (2) is equipped around the overflow drainage frame (11) in the height direction, and the side drainage grid (2) and the drainage channel (12) are in communication with each other.

2. The sponge city overflow well according to claim 1, characterized in that: The top of the overflow drainage frame (11) is formed with a groove, and a manhole cover plate (4) is equipped in the groove.

3. The sponge city overflow well according to claim 2, characterized in that: The top of the manhole cover plate (4) is on the same horizontal plane as the top of the overflow drainage frame (11).

4. The sponge city overflow well according to claim 3, characterized in that: The distance between the top of the overflow drainage frame (11) and the sunken lawn (6) is 300mm.

5. The sponge city overflow well according to claim 1, characterized in that: The distance between the top of the overflow barrel (1) and the sunken lawn (6) is 200mm.

6. The sponge city overflow well according to claim 1, characterized in that: A sewage interception hanging basket (3) is mounted on the inside of the top of the overflow barrel (1), and the sewage interception hanging basket (3) is detachably equipped in the overflow barrel (1).

7. The sponge city overflow well according to claim 6, characterized in that: The cross section of the sewage interception hanging basket (3) gradually decreases from top to bottom, and a plurality of filter holes (30) are arranged on the four side surfaces.

8. The sponge city overflow well according to claim 7, characterized in that: The plurality of filter holes (30) are equidistantly arranged on the outside of the sewage interception hanging basket (3). 9.The sponge city overflow well of claim 1, wherein: A rainwater drainage pipe interface (5) is formed on one side of the bottom of the overflow barrel (1), and the rainwater drainage pipe interface (5) is connected to an external rainwater pipe network. 10.The sponge city overflow well of claim 1, wherein: The top of the side drainage grid (2) is on the same horizontal plane as the top of the overflow drainage frame (11).

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