CN211948791U - An urban drainage diversion well - Google Patents

Abstract

The utility model relates to an urban drainage diversion well, which relates to the technical field of urban drainage wells. The utility model comprises a vertically arranged hollow well body, the top of the well body is open and is provided with a well cover, and the bottom end of the well body is provided with a diversion pipe , the side of the shunt pipe away from the well body is provided with a reservoir, and the shunt pipe connects the well body and the reservoir; the top of the shunt pipe in the well body is provided with a floating water blocking component, the floating water blocking The assembly can block the well body when the water body in the well body rises to the floating water blocking assembly; a drainage pipe communicating with the well body is horizontally arranged between the well cover and the floating water blocking assembly, and a drainage pipe is arranged between the drainage pipe and the manhole cover. Anti-backflow components. The utility model can store water in the reservoir for backup in the initial stage of precipitation or when the precipitation is small, and can discharge the water from the drainage pipeline when the precipitation is relatively large, and can close the wellhead when backflow occurs, and has the advantages of rainwater diversion, prevention of pouring effect.

Description

An urban drainage diversion well

technical field

The utility model relates to the technical field of urban drainage wells, in particular to an urban drainage diversion well.

Background technique

In the current urban drainage system, most of the rainwater is directly discharged into rivers, lakes and other water bodies after being collected through drainage pipes, while the water required for non-civil purposes such as urban greening and irrigation often needs to be transported from these water bodies or industrial water treatment places over long distances, and the cost is relatively high. . In the case of low rainfall, the rainwater collected by the drainage well can be stored and utilized nearby to improve the utilization rate of rainwater and save costs.

The Chinese utility model patent with the authorization announcement number CN207660076U discloses a rainwater diversion well, the well body is fixedly built in the lower part of the road surface, the well ring is movable on the upper end of the well body, the rainwater grate is movable in the well ring, and the well is pressed and intercepted. The sewage hanging basket and the diversion tube are fixed on the upper end of the well body, the sewage interception hanging basket is movably set on the upper end of the diversion tube, the overflow tube is fixed in the middle of the lower bottom of the diversion tube, and the sealing plate is movably set at the bottom of the diversion tube. Both sides of the lower part of the overflow cylinder. The prior art allows the initial rainwater to pass through the rainwater grate, the sewage interception basket, the initial rainwater diversion tube, and the water storage pipeline to intercept the grass planting ditch or the rain garden sponge, and the excess rainwater flows into the urban sewer through the overflow tube.

The above-mentioned prior art solutions have the following defects: when the rainwater is relatively large in the rainy season, the situation of rainwater backflow is easy to occur, especially the position of the guide tube is lower than the rainwater grate, and the backflow problem is more serious.

Utility model content

The purpose of the present utility model is to provide an urban drainage diversion well, the utility model can store water in a reservoir for backup in the initial stage of precipitation or when the precipitation is small, and can discharge the water from the drainage pipe when the precipitation is relatively large. The wellhead can be closed when backflow occurs, which has the effect of diverting rainwater and preventing backflow.

The above-mentioned utility model purpose of the present utility model is achieved through the following technical solutions:

An urban drainage diversion well, comprising a vertically arranged hollow well body, the top of the well body is open and provided with a well cover, the bottom end of the well body is provided with a diversion pipeline, and the side of the diversion pipeline away from the well body is provided with a diverter pipe. a water reservoir, the shunt pipe connects the well body and the reservoir; the well body is provided with a floating water blocking component above the shunt pipeline, and the floating water blocking component can raise the water body in the well body to the floating water blocking component When the well body is blocked, a drainage pipe communicating with the well body is arranged horizontally between the well cover and the floating water blocking component, and an anti-backflow component is arranged between the drainage pipe and the well cover.

By adopting the above technical solution, a reservoir is set at the bottom of the well body and connected by a diversion pipe, so that water can be stored under the condition of less precipitation. The channel of the reservoir is closed to allow the precipitation to be drained from the drainage channel; when the drainage channel is backflowed, the anti-backflow component seals the wellhead so that the water cannot flow to the road surface, and the floating water retaining component can also prevent the water in the drainage pipeline from entering the reservoir. The pool contaminates the water in the cistern.

The utility model is further configured as follows: the floating water blocking component includes a blocking platform fixedly arranged in the well body, the blocking platform is provided with a circulation hole that penetrates the blocking platform up and down; The buoyancy block; the cross-sectional area of the buoyancy block is larger than the cross-sectional area of the flow hole; the buoyancy block is restricted to float in the well body.

By adopting the above technical solution, the buoyancy block rises as the water level in the well rises. When the water level rises to the stop, the buoyancy block blocks the flow hole, so that the water above can no longer enter the reservoir and pass through the drainage pipe instead. Drain away.

The utility model is further configured as follows: the circulation hole is in the shape of a circular cone with a small upper part and a large lower part, and the buoyancy block is a sphere.

By adopting the above technical solution, the buoyancy block can seal the flow hole more tightly by using the cooperation between the sphere and the circular table.

The utility model is further configured as follows: the bottom end of the well body is vertically provided with a guide column fixed in the well body, the top end of the guide column is exposed from the upper part of the flow hole, and the buoyancy block is sleeved on the guide column and is connected with the guide column. Guide post sliding connection.

By adopting the above technical solution, the buoyant block will not be swayed with the water flow and will not affect the tightness between the buoyant block and the baffle, and will be prevented from falling into the shunt pipe.

The utility model is further configured as follows: the anti-backflow component includes a limiting part fixed on the side wall of the well body and extending into the well body; the limiting part is provided with a through hole connecting the upper part and the lower part of the well body; A water blocking plate hinged with the well body by a rotating shaft is arranged on the side; the water blocking plate can close the through hole of the limiting part; and the bottom surface of the water blocking plate is provided with several floating blocks.

By adopting the above technical solution, when backflow occurs, the water will push up the water blocking plate so that the water blocking plate closes the through hole of the limiting portion, so that the water can no longer flow upwards.

The utility model is further arranged such that the distance between the floating block and the water blocking plate increases with the increase of the distance from the floating block and the rotating shaft.

By adopting the above technical solution, when backflow does not occur, the water blocking plate and the well wall are inclined and arranged, so that the water blocking plate can be lifted up when backflow occurs.

The utility model is further configured as follows: a hanging basket is arranged below the well cover, and a plurality of through holes are opened on the hanging basket.

By adopting the above technical solution, the hanging basket can prevent too many sundries from entering the well body and cause more sundries to accumulate in the reservoir while preventing falling.

The utility model is further provided that: the well cover is fixed on the well body by the first fixing bolts.

By adopting the above technical solution, the manhole cover can be prevented from being detached from its position, resulting in potential safety hazards.

To sum up, the beneficial technical effects of the present utility model are:

1. By setting a reservoir at the bottom of the well body and connecting it with a diversion pipe, it can store water under the condition of less precipitation and improve the utilization rate of rainwater;

2. When the precipitation is large and the reservoir is full, the floating water retaining component will seal the channel entering the reservoir, allowing the precipitation to be drained from the drainage channel, and diverting the precipitation;

3. When backflow occurs in the drainage channel, the anti-backflow component closes the wellhead so that the water cannot flow to the road. At the same time, the floating water blocking component can also prevent the water in the drainage pipeline from entering the reservoir and polluting the water in the reservoir.

Description of drawings

Fig. 1 is the sectional structure schematic diagram of the present utility model;

Fig. 2 is the top view of the present utility model;

Fig. 3 is the sectional view of the present utility model;

Fig. 4 is the partial enlarged schematic diagram of A part in Fig. 3;

FIG. 5 is another cross-sectional structural schematic diagram of the present invention.

In the figure, 1, well body; 11, installation platform; 12, suspension platform; 13, limit part; 14, stop platform; 141, circulation hole; 2, well cover; 21, first fixing bolt; 3, hanging basket; 31. Second fixing bolt; 4. Drainage pipe; 5. Diversion pipe; 51. Reservoir; 6. Water retaining plate; 61. Rotating shaft; 62. Floating block;

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

Referring to Fig. 1, it is an urban drainage diversion well disclosed by the utility model, comprising a well body 1 with a hollow cube-shaped interior arranged vertically, a diversion pipeline 5 is opened on the side wall of the bottom end of the well body 1, and the diversion pipeline 5 A water reservoir 51 is provided on the side away from the well body 1 , and the shunt pipe 5 communicates the well body 1 and the water reservoir 51 .

A baffle 14 is horizontally arranged in the well body 1 at a position above the branch pipe 5 , and the shape of the baffle 14 matches the shape of the well body 1 . The vertical side walls of the blocking platform 14 are all fixedly connected with the well body 1 . A flow hole 141 vertically extending through the stopper 14 is defined in the middle position of the stopper 14 . A guide column 7 is vertically disposed between the flow hole 141 and the bottom surface of the well body 1 . The bottom end of the guide column 7 is fixedly connected with the well body 1 , and the top end is exposed from the flow hole 141 . A spherical buoyancy block 71 is sleeved at the position of the guide column 7 below the flow hole 141 . The buoyancy block 71 is slidably connected with the guide column 7 . The cross-sectional area of the buoyancy block 71 is larger than the cross-sectional area of the flow hole 141 , so that the buoyancy block 71 cannot pass through the flow hole 141 to reach the upper part of the blocking platform 14 .

A horizontal drainage pipe 4 is provided at the side wall of the well body 1 opposite to the side wall where the branch pipe 5 is provided, and the drainage pipe 4 communicates with the inside of the well body 1 . The communication port between the drainage pipe 4 and the well body 1 is located between the top end of the well body 1 and the stop 14 .

Referring to FIGS. 2 and 3 , the top of the well body 1 is opened, and a square hollow manhole cover 2 is arranged at the opening.

When it rains, the rainwater enters from the manhole cover 2 and reaches the bottom end of the well body 1 through the circulation hole 141 , and then flows into the reservoir 51 through the branch pipe 5 . When the water in the reservoir 51 gradually increases, the rainwater no longer flows to the reservoir 51, but gradually accumulates at the bottom of the well body 1, and the water surface gradually rises. The buoyancy block 71 sleeved on the guide column 7 rises under the action of buoyancy, and finally the buoyancy block 71 blocks the flow hole 141 , and the rainwater above the baffle 14 collects. After the water surface of the rainwater reaches the drainage pipe 4 , the rainwater is discharged from the drainage pipe 4 .

Referring to FIG. 3 and FIG. 4 , the flow hole 141 is in the shape of a truncated cone with a small top and a large bottom, so that the blocking strength of the flow hole 141 by the buoyancy block 71 is higher.

The side wall of the top of the well body 1 is provided with a limiting portion 13 extending toward the inside of the well body 1 , and a through hole connecting the lower portion and the upper portion of the well body 1 is opened in the middle of the limiting portion 13 . A horizontally disposed water blocking plate 6 is arranged below the limiting portion 13 , and one end of the water blocking plate 6 is hinged with the well body 1 by a rotating shaft 61 . The top surface of the water blocking plate 6 is in close contact with the bottom surface of the limiting portion 13 . A plurality of spaced floating blocks 62 are fixedly arranged on the bottom surface of the water baffle 6 .

The side wall of the top of the well body 1 is horizontally provided with grooves which are spaced up and down and arranged around the well body 1 . The shape of the manhole cover 2 matches the shape of the mounting table 11 , and the manhole cover 1 is placed in the mounting table 11 . The hanging platform 12 is provided with a hanging basket 3 which is hollow inside and in the shape of an inverted quadrangular pyramid. The hanging basket 3 is provided with a plurality of through holes and the top end is open. The side wall of the top end of the hanging basket 3 is provided with a folded edge extending outward, and the folded edge is in contact with the hanging platform 12 . The hanging basket 3 is fixed on the hanging platform 12 by the second fixing bolts 31 to stabilize the hanging basket 3 . The hanging basket 3 can prevent sundries in the rainwater from falling into the well body 1 and has an anti-falling function.

Referring to FIG. 5 , the bottom surface of the floating block 62 on the bottom surface of the water blocking plate 6 is inclined and the distance between the bottom surface of the floating block 62 and the bottom surface of the water blocking plate 6 increases gradually as the distance between the floating block 62 and the rotating shaft 61 increases. .

The implementation principle of this embodiment is: in the initial stage of precipitation or when the amount of precipitation is small, the rainwater entering the well body 1 from the wellhead first passes through the circulation hole 141 to the bottom of the well under the action of gravity, and enters the reservoir 51 through the shunt pipe 5 ; As the water volume in the reservoir 51 increases, the bottom of the well gradually gathers and rises, and the buoyancy block 71 blocks the flow hole 141. The rainwater accumulates on the baffle 14 because it can no longer flow downwards and turns to the drainage pipe 4 to flow out; when the drainage pipe 4 is backfilled, the water blocking plate 6 is lifted up to seal the wellhead, so that the water cannot flow to the road through the wellhead, So as to prevent backflow.

The examples of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention are not It should be covered within the protection scope of the present invention.

Claims (8)

1. The utility model provides a city drainage reposition of redundant personnel well, includes the hollow well body (1) of vertical setting, well body (1) top opening and be provided with well lid (2), its characterized in that: a diversion pipeline (5) is arranged at the bottom end of the well body (1), a water storage tank (51) is arranged on one side, away from the well body (1), of the diversion pipeline (5), and the well body (1) is communicated with the water storage tank (51) through the diversion pipeline (5); a floating water retaining assembly is arranged above the diversion pipeline (5) in the well body (1), and the floating water retaining assembly can block the well body (1) when water in the well body (1) rises to the floating water retaining assembly; the well lid (2) and the level of floating between the manger plate subassembly are provided with drainage pipe (4) with well body (1) intercommunication, be provided with between drainage pipe (4) and well lid (2) and prevent flowing backward the subassembly.

2. The municipal drainage diverter well according to claim 1, wherein: the floating water retaining assembly comprises a blocking platform (14) fixedly arranged in the well body (1), and the blocking platform (14) is provided with a circulation hole (141) which vertically penetrates through the blocking platform (14); a buoyancy block (71) capable of plugging the flow hole (141) is arranged below the baffle table (14); the cross section area of the buoyancy block (71) is larger than that of the circulation hole (141); the buoyancy block (71) is limited to float in the well body (1).

3. The municipal drainage diverter well according to claim 2, wherein: the circulation hole (141) is in a circular truncated cone shape with a small upper part and a big lower part, and the buoyancy block (71) is a sphere.

4. The municipal drainage diverter well according to claim 3, wherein: the bottom end of the well body (1) is vertically provided with a guide column (7) fixed in the well body (1), the top end of the guide column (7) is exposed out of the upper part of the circulation hole (141), and the buoyancy block (71) is sleeved on the guide column (7) and is in sliding connection with the guide column (7).

5. The municipal drainage diverter well according to claim 1, wherein: the backflow preventing component comprises a limiting part (13) which is fixed on the side wall of the well body (1) and extends into the well body (1); the limiting part (13) is provided with a through hole which is communicated with the upper part and the lower part of the well body (1); a water baffle (6) hinged with the well body (1) by a rotating shaft (61) is arranged below the limiting part (13); the water baffle (6) can seal the through hole of the limiting part (13); the bottom surface of the water baffle (6) is provided with a plurality of floating blocks (62).

6. The municipal drainage diverter well according to claim 5, wherein: the distance between the slider (62) and the water baffle (6) is increased along with the increase of the distance between the slider (62) and the rotating shaft (61).

7. The municipal drainage diverter well according to claim 1, wherein: the well lid is characterized in that a hanging basket (3) is arranged below the well lid (2), and a plurality of through holes are formed in the hanging basket (3).

8. The municipal drainage diverter well according to claim 1, wherein: the well lid (2) is fixed on the well body (1) by a first fixing bolt (21).

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