CN208733766U - A kind of Rain Garden of residential area - Google Patents

Abstract

The utility model discloses a kind of Rain Gardens of residential area, including first processing module and reprocessing module, the reprocessing module is set to the left and right sides below first processing module, the just processing module includes the aquifer of layer distributed from top to bottom, planting soil layer and packing layer, the lower surface of described filler layer is intermediate high, the low bottom of slope in two sides, the reprocessing module includes gravel layer and layer of sand, the gravel layer is set to the left and right sides below packing layer, the lower section of the layer of sand setting and gravel layer, the utility model both reduces cost, the filter capacity to rainwater is improved again, enhance the effect of recharging groundwater.

Description

A kind of Rain Garden of residential area

Technical field

The utility model relates to landscape design fields, and in particular to a kind of Rain Garden of residential area.

Background technique

Rain Garden is the scrobicula greenery patches of self-assembling formation or hand digging, be used to converge and absorb from roof or ground The rainwater in face is purified rainwater by the comprehensive function of plant, sandy soil, and is allowed to gradually penetrate into soil, recharging groundwater, Or it is allowed to feed the urban waters such as landscape water, lavatory water.It is that a kind of rainwater management of ecological sustainability and rainwater utilization are set It applies.

Rain Garden in community is also very heavy to the Conservation of underground water other than having the function of rain penetration It wants, and Rain Garden in the prior art, shallower Rain Garden is since the process of osmosis to radial rainwater is relatively simple, to rain The filter effect of water is poor, and then project amount increases deeper Rain Garden, and at high cost, building time is long.

Utility model content

The utility model strengthens the filtering to rainwater in view of the above-mentioned problems, provide a kind of Rain Garden of residential area Function achievees the effect that effective recharging groundwater.

The technical solution of the utility model solution technical problem are as follows:

A kind of Rain Garden of residential area, including first processing module and reprocessing module, the reprocessing module are set to The left and right sides below first processing module, the just processing module include the from top to bottom aquifer of layer distributed, planting soil layer And packing layer, the lower surface of described filler layer are intermediate bottom of slope high, two sides are low, the reprocessing module includes gravel layer and sand Layer, the gravel layer are set to the left and right sides below packing layer, the lower section of the layer of sand setting and gravel layer.

Further, described filler layer is made of melon seeds piece.

Further, the vertical section of the gravel layer is the triangle that inner opposite end is thin, lateral ends are thick, the layer of sand Vertical section be the thin triangle of inside one section of thickness, lateral ends.

Further, the diameter of gravel layer gravel from outside to inside is gradually reduced.

It further, further include overflow pipe, the overflow pipe includes the overflow pipe being vertically arranged and horizontally disposed confluence The upper end opening of pipe, the overflow pipe is higher than aquifer 8cm-15cm, and the collecting pipe is connected to the lower end of overflow pipe.

Further, the overflow pipe is equipped with multiple, is equipped with an overflow pipe every 6m, after overflow pipe is in parallel with collecting pipe Connection, the collecting pipe are connected to drainage pipeline.

Further, the upper surface of the just processing module is equipped with water inlet, and the water inlet is the recessed of bell mouth shape The rear and front end of slot, the just processing module is equipped with a water inlet.

The effect provided in utility model content is only the effect of embodiment, rather than whole effects that utility model is all Fruit, a technical solution in above-mentioned technical proposal have the following advantages that or the utility model has the advantages that

1, the utility model is intermediate bottom of slope structure high, two sides are low by the way that packing layer is designed as lower surface, then makes to flow Under rainwater formed and flow over to two sides along the gradient along packing layer during downward runoff, increase the filtering of rainwater away from From since more rainwater flows to two sides, by carrying out filtering again, making rainwater in two sides addition gravel layer and layer of sand Filter effect more preferably, increase only the depth of two sides Rain Garden and area be smaller, not only reduce cost, but also improve to rain The filter capacity of water enhances the effect of recharging groundwater.

2, the packing layer of the utility model is made of melon seeds piece, and the thin and flat advantage using melon seeds piece makes melon seeds piece edge The bottom of slope of packing layer, which tilts, to be laid with, and more conducively water is flowed to two sides.

3, the utility model is triangle by the way that gravel layer and layer of sand are designed as section, and the gravel layer close to inside It is thin and layer of sand is thick, it is since the rainwater of crossing current flows to outside from inside, the rainwater of inside runoff is more, therefore has thickened gravel Thickness, and guarantee that more rainwater flow over to outside as far as possible, then the structure being gradually reduced by the diameter of gravel from outside to inside, benefit With the faster principle of the water flow velocity of the more big then runoff of the diameter of gravel, more water is made to flow over to outside.

4, the utility model assists to drain when amount of rainfall is larger by overflow pipe, avoids ponding in Rain Garden too Garden is damaged caused by more.

5, the utility model makes rain on the bilateral symmetry line of garden by two water inlets of setting, and by water inlet design Water flows into garden from the middle position in garden, so that rainwater is had longer filter run in conjunction with the structure of the utility model.

Detailed description of the invention

Fig. 1 is the vertical cross-sectional view of the utility model；

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

In figure, aquifer 1, planting soil layer 2, packing layer 3, gravel layer 4, layer of sand 5, overflow pipe 6, overflow pipe 61, collecting pipe 62, water inlet 7.

Specific embodiment

In order to clearly illustrate the technical characterstic of this programme, below by specific embodiment, and its attached drawing is combined, to this Utility model is described in detail.Following disclosure provides many different embodiments or example is used to realize the utility model Different structure.In order to simplify the disclosure of the utility model, hereinafter the component of specific examples and setting are described.This Outside, the utility model can in different examples repeat reference numerals and/or letter.This repetition is in order to simplified and clear Purpose itself does not indicate the relationship between discussed various embodiments and/or setting.It should be noted that illustrated in the accompanying drawings Component be not drawn necessarily to scale.The utility model be omitted the description to known assemblies and treatment technology and process to avoid It is unnecessarily limiting the utility model.

A kind of Rain Garden of residential area, including first processing module and reprocessing module, the reprocessing module are set to The left and right sides below first processing module, the just processing module includes the aquifer 1 of layer distributed from top to bottom, planting soil layer 2 and packing layer 3, the lower surface of described filler layer 3 is intermediate bottom of slope high, two sides are low, and the reprocessing module includes gravel layer 4 With layer of sand 5, the gravel layer 4 is set to the left and right sides of 3 lower section of packing layer, the lower section of layer of sand 5 setting and gravel layer 4. The utility model is intermediate bottom of slope structure high, two sides are low by the way that packing layer is designed as lower surface, then the rainwater flowed down is made to exist It is formed and is flow over to two sides along the gradient along packing layer during downward runoff, the filtering distance of rainwater is increased, due to more Rainwater flow to two sides, by the way that gravel layer and layer of sand is added in two sides, carries out filtering again, make the filter effect of rainwater more It is good, it increases only the depth of two sides Rain Garden and area is smaller, not only reduce cost, but also improve the filtering energy to rainwater Power enhances the effect of recharging groundwater.

Further, described filler layer 3 is made of melon seeds piece, and the thin and flat advantage using melon seeds piece makes melon seeds piece edge The bottom of slope of packing layer, which tilts, to be laid with, and more conducively water is flowed to two sides.

Further, the vertical section of the gravel layer 4 is the triangle that inner opposite end is thin, lateral ends are thick, the sand The vertical section of layer 5 is the thin triangle of inside one section of thickness, lateral ends, the gravel layer 4 from outside to inside gravel diameter by It is decrescence small.The utility model is triangle by the way that gravel layer and layer of sand are designed as section, and the gravel layer close to inside is thin And layer of sand is thick, is to flow to outside from inside due to the rainwater of crossing current, the rainwater of inside runoff is more, therefore has thickened the thickness of gravel Degree, and guarantee that more rainwater flow over to outside as far as possible, then the structure being gradually reduced by the diameter of gravel from outside to inside utilizes The faster principle of the water flow velocity of the more big then runoff of the diameter of gravel, makes more water flow over to outside.

It further, further include overflow pipe 6, the overflow pipe 6 includes the overflow pipe 61 that is vertically arranged and horizontally disposed Collecting pipe 62, the upper end opening of the overflow pipe 61 are higher than aquifer 8cm-15cm, the collecting pipe 62 under overflow pipe 61 End connection, the overflow pipe 61 are equipped with multiple, are equipped with an overflow pipe every 6m, are connected to after overflow pipe is in parallel with collecting pipe 62, The collecting pipe is connected to drainage pipeline, and the utility model assists draining when amount of rainfall is larger by overflow pipe, avoids rain Garden is damaged caused by ponding in spray garden is too many.

Further, the upper surface of the just processing module is equipped with water inlet 7, and the water inlet 7 is bell mouth shape Groove, the rear and front end of the just processing module is equipped with a water inlet, and water inlet is designed in garden bilateral symmetry line On, it flows into rainwater in garden from the middle position in garden, makes rainwater that there is longer filtering in conjunction with the structure of the utility model Stroke.

Although above-mentioned be described in conjunction with specific embodiment of the attached drawing to utility model, not to the utility model The limitation of protection scope, based on the technical solution of the present invention, those skilled in the art do not need to pay creativeness The various modifications or changes that working can make are still within the scope of the present invention.

Claims (7)

1. a kind of Rain Garden of residential area, which is characterized in that including first processing module and reprocessing module, the reprocessing mould Block is set to the left and right sides below first processing module, and the just processing module includes the aquifer of layer distributed from top to bottom (1), planting soil layer (2) and packing layer (3), the lower surface of described filler layer (3) are intermediate bottom of slope high, two sides are low, it is described again Processing module includes gravel layer (4) and layer of sand (5), and the gravel layer (4) is set to the left and right sides below packing layer (3), institute State the lower section of layer of sand (5) setting and gravel layer (4).

2. a kind of Rain Garden of residential area as described in claim 1, which is characterized in that described filler layer (3) is by melon seeds Piece is made.

3. a kind of Rain Garden of residential area as described in claim 1, which is characterized in that the vertical of the gravel layer (4) is cut Face is the triangle that inner opposite end is thin, lateral ends are thick, and the vertical section of the layer of sand (5) is one section of thickness, lateral ends of inside Thin triangle.

4. a kind of Rain Garden of residential area as claimed in claim 3, which is characterized in that the gravel layer (4) is from outside to inside The diameter of gravel is gradually reduced.

5. a kind of Rain Garden of residential area as described in claim 1, which is characterized in that it further include overflow pipe (6), it is described to overflow Water pipe (6) includes the overflow pipe (61) and horizontally disposed collecting pipe (62) being vertically arranged, and the upper end of the overflow pipe (61) is opened Mouth is higher than aquifer 8cm-15cm, and the collecting pipe (62) is connected to the lower end of overflow pipe (61).

6. a kind of Rain Garden of residential area as claimed in claim 5, which is characterized in that the overflow pipe (61) is equipped with more It is a, it is equipped with an overflow pipe every 6m, is connected to after overflow pipe is in parallel with collecting pipe (62), the collecting pipe and drainage pipeline connect It is logical.

7. a kind of Rain Garden of residential area as described in claim 1, which is characterized in that the upper surface of the just processing module It is equipped with water inlet (7), the water inlet (7) is the groove of bell mouth shape, and the rear and front end of the just processing module is equipped with One water inlet.