CN220790353U - Drainage system for roof rainwater drainage disconnection - Google Patents
Drainage system for roof rainwater drainage disconnection Download PDFInfo
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- CN220790353U CN220790353U CN202322483514.4U CN202322483514U CN220790353U CN 220790353 U CN220790353 U CN 220790353U CN 202322483514 U CN202322483514 U CN 202322483514U CN 220790353 U CN220790353 U CN 220790353U
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- rainwater
- drainage
- water outlet
- pipe
- pipe body
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 91
- 238000007689 inspection Methods 0.000 claims abstract description 13
- 230000007423 decrease Effects 0.000 claims description 3
- 239000002689 soil Substances 0.000 abstract description 6
- 239000003344 environmental pollutant Substances 0.000 abstract description 5
- 231100000719 pollutant Toxicity 0.000 abstract description 5
- 238000009991 scouring Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Abstract
The utility model provides a drainage system for roof rainwater drainage disconnection, which comprises a pipe body and a water inlet, wherein the pipe body is arranged on one side of a building wall in parallel and vertically, and the water inlet positioned at the top end of the pipe body is connected with a rainwater hopper positioned on a roof through a rainwater vertical pipe; the first water outlet is arranged at the bottom of the pipe body and used for guiding a large amount of rain, and is connected to an external rainwater inspection well through a rainwater pipe; according to the utility model, the pipe body is used as a water inlet, a first water outlet and a second water outlet which are connected, so that a rainwater hopper, a sponge facility and a rainwater inspection well are connected; according to the automatic distribution of different rainfall conditions, direct scouring damage of rainwater to soil and vegetation is avoided, a large amount of rainwater is overflowed and discharged after passing through the sponge facility, the drainage efficiency is improved, the site water yield is reduced, pollutants intercepted by the sponge facility are prevented from entering a rainwater pipe network after being scoured by the rainwater exceeding the annual runoff total control rate, the installation is convenient, and the space is saved.
Description
Technical Field
The utility model relates to a drainage system for roof rainwater drainage disconnection, and belongs to the technical field of sponge city design.
Background
The rainwater disconnection means that rainwater on a roof, a road and other hard surfaces is separated, collected and utilized in a mode of water collection facilities, roof greening, a reservoir or recovery equipment and the like, so that the purposes of saving water, preventing flooding, improving urban environment and the like are achieved. Through rainwater disconnection, urban rainwater runoff can be effectively reduced, and the urban rainwater runoff can be reasonably utilized.
The building roof rainwater disconnection measure is to directly drain the bottom of a roof rainwater vertical pipe into a sponge facility, such as a concave green land or a rainwater garden, and the like, when the rainfall is small, rainwater firstly enters the sponge facility to infiltrate downwards, and with the increase of the rainfall, the exceeding rainwater is discharged through an overflow gutter inlet in the sponge facility. The roof rainwater is often subjected to an internal drainage mode, the potential energy of the roof rainwater is high, water, soil and plants are seriously washed out due to rainwater drainage, and the internal drainage rainwater is connected with an outdoor sponge facility in a pipe manner with certain difficulty; in addition, when rainfall is great, the rainwater still needs to be discharged after all entering the sponge facility, easily leads to the site to accumulate water, and can reenter the rainwater pipe network along with heavy rain washout after pollutant is intercepted by the sponge facility, has reduced the effect that the sponge facility got rid of the pollutant.
Accordingly, the present utility model provides a drainage system for roof rainwater drainage disconnection that branches according to the rainfall characteristic.
Disclosure of Invention
In view of the above, an object of the present utility model is to provide a drainage system for roof rainwater drainage disconnection that branches according to rainfall characteristics.
The utility model is realized in the following way:
the drainage system for roof rainwater drainage disconnection comprises a pipe body and a water inlet, wherein the pipe body is arranged on one side of a building wall in parallel and vertically, and the water inlet positioned at the top end of the pipe body is connected with a rainwater hopper positioned on a roof through a rainwater vertical pipe;
the first water outlet is arranged at the bottom of the pipe body and used for guiding a large amount of rain, and is connected to an external rainwater inspection well through a rainwater pipe;
the second water outlet is arranged on the side wall of the pipe body and used for guiding the second water outlet with small rainfall, and the second water outlet is connected to an external sponge facility through a flow guide pipe.
As a further improvement, the diameter of the water inlet is equal to the diameter of the first water outlet.
As a further improvement, the pipe diameter of the second water outlet is one half of the pipe diameter of the first water outlet.
As a further improvement, the second water outlet is arranged at the tail end of the spiral pipe which extends anticlockwise spirally, and the head end of the spiral pipe is communicated with the inside of the pipe body.
As a further improvement, the diameter of the middle part of the pipe body gradually decreases towards the diameter of the end part where the water inlet and the first water outlet are located.
As a further improvement, the inner wall of the pipe body, which is close to the water outlet, is provided with an upward convex ring, and the bottom between the convex ring and the inner wall of the pipe body is provided with a drainage groove.
As a further improvement, the drainage groove is of a structure which takes the head end of the spiral pipe as the terminal point and symmetrically and spirally surrounds the half circumference of the convex ring, and the tail end of the drainage groove is communicated with the head end of the spiral pipe.
As a further improvement, the spiral end point of the drainage groove is lower than the other end.
As a further improvement, the side surface of the tube body is provided with an inspection opening.
The beneficial effects of the utility model are as follows: according to the utility model, the pipe body is used as a water inlet, a first water outlet and a second water outlet which are connected, so that a rainwater hopper, a sponge facility and a rainwater inspection well are connected; according to the automatic distribution of different rainfall conditions, direct scouring damage of rainwater to soil and vegetation is avoided, a large amount of rainwater is overflowed and discharged after passing through the sponge facility, the drainage efficiency is improved, the site water yield is reduced, pollutants intercepted by the sponge facility are prevented from entering a rainwater pipe network after being scoured by the rainwater exceeding the annual runoff total control rate, the installation is convenient, and the space is saved.
When the rainfall is small, the rainwater flows down from the rainwater hopper through the rainwater vertical pipe, at the moment, the rainwater flows down along the inner wall of the pipe body, flows out spirally through the second water outlet on the side wall of the pipe body, and is connected to an external sponge facility through the diversion pipe.
When the rainfall is large, the water flow flowing down from the rainwater hopper through the rainwater vertical pipe is large, the water flow is gradually converted into water plug flow, and when the rainfall exceeds the drainage capacity of the second water outlet, the exceeding rainwater overflows from the drainage groove in the middle and is discharged from the first water outlet, and part of rainwater is directly discharged from the first water outlet in the middle of the bottom.
The utility model has the advantages that the diameter of the middle part of the pipe body towards the end part is gradually reduced, the inside is smooth, no movable part exists, the pipe body is firm and durable, the pipe body is not easy to block, the pipe body is easy to clear, and the pipe body can be directly detected through the checking port, so that whether the pipe body is blocked or not is judged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a drainage system for roof rainwater drainage disconnection according to an embodiment of the present utility model.
Fig. 2 is a schematic plan view of a drainage system for roof rainwater drainage disconnection in a bottom view state according to an embodiment of the present utility model.
Fig. 3 is a schematic side view of a drainage system for roof rainwater drainage disconnection according to an embodiment of the present utility model.
Fig. 4 is a schematic cross-sectional view of a drainage system for roof rainwater drainage disconnection, in accordance with an embodiment of the present utility model.
Fig. 5 is a schematic view of a practical installation structure of a drainage system for roof rainwater drainage disconnection according to an embodiment of the present utility model.
In the figure: the rainwater pipe comprises a pipe body 10, a water inlet 20, a rainwater vertical pipe 30, a first water outlet 40, a rainwater pipe 50, a second water outlet 60, a guide pipe 70, a spiral pipe 80, a convex ring 90, a drainage groove 11 and an inspection opening 12.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
In the description of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1-5, this embodiment provides a drainage system for roof rainwater drainage disconnection, which includes a pipe body 10 and a water inlet 20, wherein the pipe body 10 is arranged on one side of a building wall in parallel and vertically, and can be arranged indoors or outdoors, so that the problem that when a rainwater pipeline is arranged indoors, an outdoor sponge facility is inconvenient to connect is solved, and the water inlet 20 at the top end of the pipe body 10 is connected with a rainwater hopper on a roof through a rainwater riser 30;
a first water outlet 40 provided at the bottom of the pipe body 10 for guiding a large amount of rain water, and the first water outlet 40 is connected to an external rain water inspection well through a rain pipe 50;
the second water outlet 60 is arranged on the side wall of the pipe body 10 and used for guiding the second water outlet 60 with small rainfall, and the second water outlet 60 is connected to an external sponge facility through a guide pipe 70, and is independently discharged by the guide pipe 70 connected with the sponge facility, so that the sponge facility can be conveniently accessed nearby.
Further, the diameter of the water inlet 20 is equal to that of the first water outlet 40, so that the diversion effect can be realized no matter how large the diameter of the second water outlet 60 is after the second water outlet 60 is arranged, and the water cross section of the rainwater pipe is not affected.
Still further, the pipe diameter of the second water outlet 60 is half of that of the first water outlet 40, so that the pipe diameter of the roof rainwater vertical pipe sponge facility is reduced, and the scouring damage to soil and vegetation is reduced.
Further, the second water outlet 60 is disposed at the end of the spiral pipe 80 extending in a counterclockwise spiral manner, and the head end of the spiral pipe 80 is communicated with the inside of the pipe body 10 to buffer the direct downward impact of the beam, and is connected to the urban sponge design measure, so as to further reduce the direct scouring damage of the rainwater to the soil and vegetation.
Further, the diameter of the middle part of the pipe body 10 gradually decreases towards the water inlet 20 and the end part of the first water outlet 40, the inside is smooth, no moving parts exist, and the pipe is firm and durable, and is not easy to block up Yi Qingtong.
Furthermore, the inner wall of the pipe body 10 near the water outlet 60 is provided with an upward convex ring 90, and the bottom between the convex ring 80 and the inner wall of the pipe body 10 is provided with a drainage groove 11, so that all the rainwater flowing downwards from the inner wall of the pipe body 10 can be guided to the second water outlet 60 and then flows to the sponge for setting, and as long as the rainfall is not large, the rainwater can be completely drained, and vegetation on the sponge design can be directly irrigated without re-irrigating.
Furthermore, the drainage groove 11 is a structure that the head end of the spiral pipe 80 is used as a terminal point to form a symmetrical spiral surrounding the half circumference of the convex ring 90, the tail end of the drainage groove 90 is communicated with the head end of the spiral pipe 80 and is used for guiding the flow to the second water outlet 60 from left to right, and the guided flow can not overflow from the convex ring 90 and is directly discharged from the first water outlet 40.
Further, the spiral end point of the drainage groove 90 is lower than the other end, so that the water drops automatically slide down along the spiral drainage groove 11 to be collected and drained.
The utility model uses the pipe body 10 as the water inlet 20, the first water outlet 40 and the second water outlet 60 which are connected, and the rainwater hopper, the sponge facility and the rainwater inspection well are connected;
when the rainfall is small, the rainwater flow flowing down from the rainwater hopper through the rainwater vertical pipe 30 is small, at this time, the rainwater flows down along the inner wall of the pipe body 10, flows out spirally through the second water outlet 60 on the side wall of the pipe body 10, and is connected to an external sponge facility through the guide pipe 70;
when the rainfall is large, the water flow flowing down from the rainwater hopper through the rainwater vertical pipe 30 is large, the water flow is gradually converted into water plug flow, when the rainfall exceeds the drainage capacity of the second water outlet 60, the exceeding rainwater overflows from the drainage groove 90 in the middle and is discharged from the first water outlet 40, and part of the rainwater is directly discharged from the first water outlet 40 in the middle of the bottom;
finally, automatic distribution is realized according to different rainfall conditions, direct scouring damage of rainwater to soil and vegetation is avoided, a large amount of rainwater is discharged through overflow after passing through a sponge facility, drainage efficiency is improved, site water yield is reduced, pollutants intercepted by the sponge facility are prevented from entering a rainwater pipe network after being scoured by rainwater exceeding the annual runoff total control rate, installation is convenient, and space is saved.
Furthermore, the side surface of the pipe body 10 is provided with the inspection opening 12, and the utility model can directly detect whether the inside of the pipe body 10 is blocked or not through the inspection opening 12, thereby being more convenient for cleaning.
Furthermore, the inspection opening 12 is arranged at the bottom of the pipe body 10, so that the water flow condition of the drainage groove 11 inside the pipe body 10 can be directly observed, and if the pipe body is blocked, the pipe body is convenient to clean.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. The drainage system for roof rainwater drainage disconnection is characterized by comprising a pipe body (10) and a water inlet (20), wherein the pipe body (10) is vertically arranged on one side of a building wall in parallel, and the water inlet (20) positioned at the top end of the pipe body (10) is connected with a rainwater hopper positioned on a roof through a rainwater vertical pipe (30);
the first water outlet (40) is arranged at the bottom of the pipe body (10) and used for guiding a first water outlet (40) with large rainfall, and the first water outlet (40) is connected to an external rainwater inspection well through a rainwater pipe (50);
the second water outlet (60) is arranged on the side wall of the pipe body (10) and used for guiding the second water outlet (60) with small rainfall, and the second water outlet (60) is connected to an external sponge facility through a flow guide pipe (70).
2. The drainage system for roof rainwater drainage disconnection according to claim 1, characterized in that the diameter of the water inlet (20) is identical to the first water outlet (40).
3. The drainage system for roof rainwater drainage disconnection according to claim 2, wherein the pipe diameter of the second water outlet (60) is one half of the first water outlet (40).
4. The drainage system for roof rainwater drainage disconnection according to claim 1, wherein the second water outlet (60) is provided at the end of a spiral pipe (80) extending in a counterclockwise spiral, and the head end of the spiral pipe (80) is communicated with the inside of the pipe body (10).
5. The drainage system for roof rainwater drainage disconnection according to claim 4, wherein the diameter of the middle portion of the pipe body (10) gradually decreases toward the water inlet (20) and the end portion where the first water outlet (40) is located.
6. The drainage system for roof rainwater drainage disconnection according to claim 5, wherein an upward convex ring (90) is arranged on the inner wall of the pipe body (10) close to the water outlet (60), and a drainage groove (11) is arranged at the bottom between the convex ring (90) and the inner wall of the pipe body (10).
7. The drainage system for roof rainwater drainage disconnection according to claim 6, wherein the drainage groove (11) is of a structure which takes the head end of the spiral pipe (80) as a terminal point and symmetrically and spirally surrounds the half circumference of the convex ring (90), and the tail end of the drainage groove (11) is communicated with the head end of the spiral pipe (80).
8. A drainage system for roof rainwater drainage disconnection according to claim 7, characterized in that the spiral ending point of the drainage groove (11) is lower than the other end.
9. The drainage system for roof rainwater drainage disconnection according to claim 1, wherein the side of the pipe body (10) is provided with an inspection port (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322483514.4U CN220790353U (en) | 2023-09-13 | 2023-09-13 | Drainage system for roof rainwater drainage disconnection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322483514.4U CN220790353U (en) | 2023-09-13 | 2023-09-13 | Drainage system for roof rainwater drainage disconnection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220790353U true CN220790353U (en) | 2024-04-16 |
Family
ID=90661985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322483514.4U Active CN220790353U (en) | 2023-09-13 | 2023-09-13 | Drainage system for roof rainwater drainage disconnection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220790353U (en) |
-
2023
- 2023-09-13 CN CN202322483514.4U patent/CN220790353U/en active Active
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