CN211872680U - Rainwater garden roundabout structure - Google Patents
Rainwater garden roundabout structure Download PDFInfo
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- CN211872680U CN211872680U CN201921646776.5U CN201921646776U CN211872680U CN 211872680 U CN211872680 U CN 211872680U CN 201921646776 U CN201921646776 U CN 201921646776U CN 211872680 U CN211872680 U CN 211872680U
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- collecting tank
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Abstract
The utility model relates to the technical field of sponge cities, in particular to a rainwater garden roundabout structure, which is provided with a roundabout road surface, a foundation pit and a water collecting tank arranged around the foundation pit; the foundation pit is arranged inside the inner edge of the annular pavement; the water collecting tank is an annular water tank and is connected between the annular pavement and the foundation pit in an embedded manner; the foundation pit sequentially comprises a covering layer, a planting soil layer, a sand layer and a gravel layer from top to bottom; a permeation tube is further installed in the foundation pit, the water inlet end of the permeation tube penetrates through the side wall of the water collecting tank close to the foundation pit, and the water inlet end of the permeation tube is not in contact with the bottom of the water collecting tank; the water outlet end of the permeation tube is inserted into the gravel layer, and the technical scheme has the beneficial effects of collecting and storing much rainwater and improving the green plant maintenance efficiency. In addition, the annular pavement inclines from the periphery to the inner side so that the rainwater collection amount is greatly improved, and meanwhile, a flood discharge pipe is arranged in the water collecting pool to prevent excessive rainwater from pouring into the water collecting pool to submerge the annular island. And finally, installing an annular filter screen and a filter screen at the water inlet end of the permeation tube, and filtering by double layers to ensure that the water quality is better.
Description
Technical Field
The utility model relates to a sponge urban technology especially relates to a rainwater garden roundabout structure.
Background
The rotary island is a common traffic intersection, and in order to increase the attractiveness of a city, green plants are usually planted in the middle of the rotary island, but the green plants need long-term maintenance, and particularly need to be irrigated irregularly, so that the urban greening cost is increased invisibly. Aiming at the above situation, in order to avoid the problem of overhigh maintenance cost of the green plants of the roundabout, a more reasonable roundabout structure needs to be designed to achieve the purposes of saving water resources and improving economy.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to improve present technical scheme, provide a rainwater garden roundabout structure.
Because the rotary island is similar to a large basin, the structure of the rotary island can be utilized and optimized, and the effect of collecting water around the rotary island is realized, so that the purposes of saving water resources and improving economy are achieved. Therefore, the utility model adopts the following technical scheme:
the utility model provides a rainwater garden roundabout structure which the key lies in: comprises an annular pavement, a foundation pit and a water collecting tank arranged around the foundation pit; the foundation pit is arranged inside the inner edge of the annular pavement; the water collecting tank is an annular water tank and is embedded and connected between the annular pavement and the foundation pit; the foundation pit sequentially comprises a covering layer, a planting soil layer, a sand layer and a gravel layer from top to bottom; a permeation tube is further installed in the foundation pit, the water inlet end of the permeation tube penetrates through the side wall of the water collecting tank close to the foundation pit, and the water inlet end of the permeation tube is not in contact with the bottom of the water collecting tank; the water outlet end of the permeation tube is inserted into the gravel layer.
Further: the height of the annular pavement is gradually reduced from outside to inside, and the joint of the annular pavement and the outer side of the water collecting tank is not lower than the upper edge of the water collecting tank.
Further: a filter screen is arranged at the water inlet end of the penetration pipe.
Preferably: the meshes of the filter screen are circular holes.
Further: a flood discharge pipe is buried under the annular pavement, a drainage inlet of the flood discharge pipe is communicated with the side wall of the collecting tank close to the annular pavement, and the drainage inlet is close to the upper edge of the collecting tank; the drainage outlet of the flood discharge pipe is communicated with the drainage ditch, and the flood discharge pipe is gradually inclined and reduced from the drainage inlet to the drainage outlet.
Preferably: the last edge of catch basin connection annular road surface department installs the rail guard, and encircles the catch basin and go up the edge and install several vertical railing.
Further: an annular filter screen is closely arranged around the bottom of the vertical railing, and the lower edge of the annular filter screen is arranged close to the upper edge of the water collecting tank.
Preferably: rectangular meshes are uniformly arranged on the annular filter screen.
Further: the annular filter screen is installed at the bottom of the vertical railing and is close to the side of the annular road surface.
Preferably: the water collecting tank is of a cement brick wall structure.
The utility model discloses following beneficial effect has:
1. the utility model discloses rainwater garden roundabout structure utilizes the basin type structure of roundabout itself, and the foundation pit covers overburden, planting soil horizon, sand bed, gravel layer from last to having down in proper order in the roundabout to realize the saving of rainwater, this technical scheme has the water economy resource, reduces green beneficial effect who plants the maintenance cost, improve maintenance efficiency.
2. The utility model discloses rainwater garden roundabout structure for roundabout annular road surface peripheral edge gently reduces the height to the inside edge gradually, forms the slope of a little small angle, and this technical scheme can make the peripheral rainwater of roundabout all to the central gathering of roundabout, has higher rainwater collection efficiency.
3. The utility model discloses rainwater garden roundabout structure, embedded annular catch basin around the foundation ditch of building in the middle of annular road surface and rainwater garden foundation ditch, this catch basin not only can make the water yield of saving promote, but also can be more concentrated, more even distribution rainwater garden foundation ditch inside with the rainwater of collecting.
4. The utility model discloses rainwater garden roundabout structure, at catch basin bottom side-mounting infiltration pipe, infiltration pipe is from last to extending to the gravel layer down, and this technical scheme not only can make the rainwater permeate each layer soil in the foundation ditch, can let unnecessary rainwater store in the foundation ditch bottom in a large number moreover.
5. The utility model discloses rainwater garden roundabout structure runs into near installation flood discharge pipe on the catch basin along, runs into the rainwater when too much, can flow away unnecessary rainwater through the flood discharge pipe to avoid roundabout center ponding to become the pond.
6. The rainwater garden roundabout structure of the utility model is characterized in that the junction of the annular road surface and the water collecting tank is provided with the annular filter screen, so that various garbage, residues, leaves and the like on the road surface are filtered to avoid flowing into the water collecting tank; the filter screen is also installed at the inlet of the water collecting tank permeation tube, so that water flowing into the foundation pit is clearer and cleaner, and the permeation tube is prevented from being blocked.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic view of the rainwater garden roundabout structure of the present invention;
fig. 2 is a schematic view of the rainwater garden roundabout structure foundation pit and the permeation tube of the present invention;
fig. 3 is a schematic view of the rainwater garden roundabout structure catch basin and the guard rail of the present invention.
Detailed Description
The invention will now be further described with reference to the accompanying drawings.
The rainwater garden roundabout structure shown in fig. 1 is provided with a roundabout pavement 1, a foundation pit 2 and a water collecting tank 3 arranged around the foundation pit 2; the foundation pit 2 is arranged inside the inner edge of the annular pavement 1; the water collecting tank 3 is an annular water tank, and the water collecting tank 3 is connected between the annular pavement 1 and the foundation pit 2 in an embedded manner; the foundation pit 2 is sequentially provided with a covering layer, a planting soil layer, a sand layer and a gravel layer 21 from top to bottom; a permeation tube 5 is further installed in the foundation pit 2, a permeation tube water inlet end 51 of the permeation tube 5 penetrates through the side wall of the water collecting tank 3 close to the foundation pit 2, and the permeation tube water inlet end 51 is not in contact with the bottom of the water collecting tank 3; the water outlet end of the permeation tube 5 is inserted into the gravel layer 21. The uppermost layer of the foundation pit 2 may be slightly higher or level than the upper edge of the sump 3, but in order not to create a fishpond effect in case of abundant rain, the upper layer of the foundation pit 2 is preferably not lower than the upper edge of the sump 3. The change amplitude of each edge of the annular pavement 1 is determined according to the field situation, and the foundation pit 2 and the water collecting pool correspondingly change along with the change of the inner edge of the annular pavement 1. The specific depth and width of the sump 3 depend on the size of the foundation pit 2. In order to keep the water of saving not to run off, the utility model discloses a 2 bottoms of foundation ditch adopt cement to paint. The height of the annular pavement 1 is continuously and slowly reduced from the outer edge to the inner edge of the pavement, and the upper edge of the water collecting tank 3 close to the annular pavement 1 side is slightly lower than the inner edge of the annular pavement 1. The slope that the annular road surface 1 inwards descends is enough to let the rainwater around the roundabout flow into to the roundabout center, and the inward flange of annular road surface 1 and catch basin 3 go up along seamless connection to make rainwater can all flow into in the catch basin 3.
As shown in fig. 2 and 3, a permeation tube 5 is further installed in the foundation pit 2, a water inlet end 51 of the permeation tube 5 penetrates through the side wall of the water collecting pit 3 close to the foundation pit 2, and the water inlet end 51 of the permeation tube is not in contact with the bottom of the water collecting pit 3; the water outlet end of the permeation tube 5 is inserted into the gravel layer 21. The water collecting tank 3 is cleaned manually at regular intervals. The penetration pipe 5 penetrates from each layer of the foundation pit 2 to the gravel layer 21, the inflowing rainwater flows to each region through the holes in the penetration pipe 5, and the water flowing to the upper layer can filter impurities in the rainwater when flowing down through penetration.
As shown in fig. 2, the guard rail 6 is installed on the upper edge of the annular road surface 1 connected with the water collecting tank 3, and a plurality of vertical railings 61 are installed around the upper edge of the water collecting tank 3. The guard rails 6 are arranged around the rainwater garden foundation pit 2, so that the beneficial effect of preventing people from entering or vehicles from entering is achieved.
Optimal scheme hugs closely installation annular filter screen 7 around vertical railing 61 bottom, and annular filter screen 7 lower limb is pressed close to the catch basin 3 and is gone up along the installation, and annular filter screen 7's mesh is the rectangle, and this technical scheme can filter rubbish, residue, leaf etc. on the annular road surface 1 to prevent these article along with the rainwater enters into catch basin 3, fill up catch basin 3 or block up infiltration pipe 5. The more preferable scheme is that the annular filter screen 7 is arranged at the bottom of the vertical railing 61 and close to the side of the annular pavement 1, so that the annular filter screen 7 can be prevented from falling off from the vertical railing 61 due to long-term rain wash.
As shown in fig. 3, the water collecting tank 3 is a cement brick wall structure, a flood discharge opening is formed in a position close to the upper edge of the water collecting tank, a flood discharge pipe 4 is buried from the flood discharge opening and passes through the annular pavement 1 to a nearby drainage ditch, and the drainage inlet 41 of the flood discharge pipe is gently reduced to a drainage outlet, so that redundant water storage in the water collecting tank 3 can be quickly discharged, and a large amount of rainwater is prevented from being poured into the water collecting tank to submerge the annular island. In order to ensure that the water storage in the foundation pit 2 is more uniform, the optimal scheme is to uniformly distribute and install the permeation tubes 5 in the water collecting tank 3. Optimal scheme, in order to deal with a large amount of rainwater and pour into the rotary island center, flood discharge pipe 4 also can install many, can install 2 ~ 8 according to the rotary island structure, installs the escape canal in the near road of rotary island with 4 exports of flood discharge pipe respectively to this accelerates drainage speed. In order to make the rainwater entering the foundation pit 2 clearer, it is preferable to install a filter screen 511 at the water inlet end 51 of the infiltration pipe, wherein the mesh of the filter screen 511 is a circular hole uniformly distributed.
To sum up, the utility model discloses rainwater garden roundabout structure combines the basin type structural advantage of roundabout itself, establishes the rainwater garden at roundabout central authorities, has the beneficial effect of beautifying road, water economy resource. Through building the catch basin 3 at the inboard of roundabout annular road surface 1 to install the infiltration pipe 5 in the catch basin 3, the infiltration pipe 5 extends to gravel layer 21 from the catch basin 3, and rainwater garden foundation ditch 2 and catch basin 3 all have the beneficial effect of saving a large amount of water resources, can satisfy green longer time water source supply and growth needs. In addition, the inward edge of the roundabout annular pavement 1 has a certain slope, so that rainwater around the roundabout can flow into the water collecting tank 3 in the center of the roundabout, and meanwhile, a plurality of flood discharge pipes 4 are arranged in the water collecting tank 3, so that the roundabout is prevented from being submerged by a large amount of rainwater. Finally, a guard rail 6 is arranged on the upper edge of the side, close to the annular pavement 1, of the water collecting tank 3, vehicles or people are prevented from entering the rainwater garden, meanwhile, an annular filter screen 7 is arranged at the bottom end of a vertical rail 61 of the guard rail 6, a filter screen 511 is arranged at the water inlet end 51 of the permeation tube, and water entering the rainwater garden foundation pit 2 is more suitable for plant growth through double-layer filtering.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (10)
1. A rainwater garden roundabout structure is characterized in that: comprises an annular pavement (1), a foundation pit (2) and a water collecting tank (3) arranged around the foundation pit (2);
the foundation pit (2) is arranged inside the inner edge of the annular pavement (1);
the water collecting tank (3) is an annular water tank, and the water collecting tank (3) is connected between the annular pavement (1) and the foundation pit (2) in an embedded mode;
the foundation pit (2) is sequentially provided with a covering layer, a planting soil layer, a sand layer and a gravel layer (21) from top to bottom;
a penetration pipe (5) is further installed in the foundation pit (2), a water inlet end (51) of the penetration pipe (5) penetrates through the side wall, close to the foundation pit (2), of the water collecting tank (3), and the water inlet end (51) of the penetration pipe is not in contact with the bottom of the water collecting tank (3); the water outlet end of the permeation tube (5) is inserted into the gravel layer (21).
2. A stormwater garden roundabout structure according to claim 1, wherein: the height of the annular pavement (1) is gradually reduced from outside to inside, and the joint of the annular pavement and the outer side of the water collecting tank (3) is not lower than the upper edge of the water collecting tank (3).
3. A stormwater garden roundabout structure according to claim 1, wherein: a filter screen (511) is arranged at the port of the water inlet end (51) of the permeation tube.
4. A stormwater garden roundabout structure according to claim 3, wherein: the meshes of the filter screen (511) are circular holes.
5. A stormwater garden roundabout structure according to claim 1, wherein: a flood discharge pipe (4) is buried under the annular pavement (1), a drainage inlet (41) of the flood discharge pipe (4) penetrates through the side wall of the water collecting tank (3) close to the annular pavement (1), and the drainage inlet (41) is close to the upper edge of the water collecting tank (31); the drainage outlet of the flood discharge pipe (4) is communicated with a drainage ditch, and the flood discharge pipe (4) is gradually inclined and reduced from the drainage inlet (41) to the drainage outlet.
6. A stormwater garden roundabout structure according to claim 1 or 2, wherein: the catch basin (3) are connected guardrail (6) are installed along the last edge of annular road surface (1) department, and encircle catch basin (3) are gone up along installing several vertical railing (61).
7. A stormwater garden roundabout structure according to claim 6, wherein: surround vertical railing (61) bottom is hugged closely and is installed annular filter screen (7), the installation is followed on collecting basin (3) to annular filter screen (7) lower limb.
8. A stormwater garden roundabout structure according to claim 7, wherein: rectangular meshes are uniformly arranged on the annular filter screen (7).
9. A stormwater garden roundabout structure according to claim 7, wherein: the annular filter screen (7) is arranged at the bottoms of the vertical railings (61) and close to the side of the annular pavement (1).
10. A stormwater garden roundabout structure according to claim 1, wherein: the water collecting tank (3) is of a cement brick wall structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921646776.5U CN211872680U (en) | 2019-09-29 | 2019-09-29 | Rainwater garden roundabout structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921646776.5U CN211872680U (en) | 2019-09-29 | 2019-09-29 | Rainwater garden roundabout structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211872680U true CN211872680U (en) | 2020-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921646776.5U Expired - Fee Related CN211872680U (en) | 2019-09-29 | 2019-09-29 | Rainwater garden roundabout structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211872680U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638477A (en) * | 2021-07-29 | 2021-11-12 | 中冶南方城市建设工程技术有限公司 | Spiral water storage and drainage structure for roundabout in arid area and construction method thereof |
-
2019
- 2019-09-29 CN CN201921646776.5U patent/CN211872680U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638477A (en) * | 2021-07-29 | 2021-11-12 | 中冶南方城市建设工程技术有限公司 | Spiral water storage and drainage structure for roundabout in arid area and construction method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201106 Termination date: 20210929 |