CN209924025U

CN209924025U - Rainwater garden

Info

Publication number: CN209924025U
Application number: CN201920397816.0U
Authority: CN
Inventors: 董娜
Original assignee: Shiyue Ecological Technology (tianjin) Co Ltd
Current assignee: Shiyue Ecological Technology (tianjin) Co Ltd
Priority date: 2019-03-27
Filing date: 2019-03-27
Publication date: 2020-01-10
Anticipated expiration: 2029-03-27

Abstract

The utility model discloses a rainwater garden, the foundation ditch comprises a foundation pit, the layering is filled from top to bottom in the foundation ditch has planting layer, nutrition soil layer, gravel layer and the prevention of seepage sand layer of ventilating, the inside wall contact of prevention of seepage sand layer and foundation ditch of ventilating, be equipped with the raceway in the gravel layer, the foundation ditch is equipped with annular ditch outward, annular ditch lower extreme leads to pipe and raceway intercommunication, the annular ditch is close to and is equipped with the restricted flow groove in the lateral wall of foundation ditch, restricted flow groove and annular ditch intercommunication, sliding connection has the floating ring in the restricted flow groove, the one end intercommunication of raceway has the water storage box, fixedly connected with drainage motor on the water storage box lateral wall. The utility model discloses a set up during annular ditch can guide ground rivers and get into the rainwater garden, increased the utilization ratio of rainwater, can in time discharge excessive rainwater through setting up water storage box and drainage motor, prevent that excessive rainwater from soaking and make the plant dead, through setting up floating ring and current-limiting groove, earth runs off when preventing rainstorm weather.

Description

Rainwater garden

Technical Field

The utility model relates to an environmental engineering technical field especially relates to a rainwater garden.

Background

The rainwater garden is a naturally formed or artificially excavated shallow-recessed green land, and is used for gathering and absorbing rainwater from a roof or the ground, purifying the rainwater through the combined action of plants and sand, gradually infiltrating the rainwater into soil, conserving underground water, or supplementing urban water such as landscape water and toilet water. Is an ecologically sustainable rain flood control and rain water utilization facility.

The rainwater garden plays an important role in urban greening, and is widely used in household gardens. The existing rainwater garden is planted in a region with large precipitation or in rainstorm weather, water is easy to accumulate in a foundation pit of the rainwater garden, the rainwater garden is not well protected, the phenomenon of water and soil loss is easy to occur, even the excessive rainwater soaks the roots of plants for a long time, so that a great amount of garden plants die, and economic loss is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the rainwater quantity is large and cannot be drained in time in the prior art, and providing a rainwater garden capable of draining water.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a rainwater garden comprises a foundation pit, wherein a planting layer, a nutrient soil layer, a gravel layer and a ventilation anti-seepage sand layer are filled in the foundation pit from top to bottom in a layered mode, the ventilation anti-seepage sand layer is in contact with the inner side wall of the foundation pit, a water conveying pipe is arranged in the gravel layer, an annular water channel is arranged outside the foundation pit, the lower end of the annular water channel is communicated with the water conveying pipe through a water pipe, a flow limiting groove is formed in the side wall, close to the foundation pit, of the annular water channel, the flow limiting groove is communicated with the annular water channel, a floating ring is connected in the flow limiting groove in a sliding mode, one end of the water conveying pipe is communicated with a water storage tank, a drainage motor is fixedly connected to.

Preferably, the side wall of the water delivery pipe is fixedly communicated with a water delivery branch pipe, and the side wall of the water delivery branch pipe is provided with a plurality of drainage holes.

Preferably, the floating ring is made of a rigid foam material.

Preferably, the cross sections of the floating ring and the flow limiting groove are both arranged in a circular truncated cone shape.

Preferably, one end of the water delivery pipe communicated with the water storage tank is obliquely arranged, an included angle between the inclined angle and the horizontal plane is an acute angle, and the communicated position of the water delivery pipe and the water storage tank and the gravel layer are positioned on the same horizontal plane.

Preferably, a floating block is arranged in the water storage tank, the upper end of the floating block is fixedly connected with a marking rod, and scale marking lines are arranged on the side wall of the marking rod.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model discloses a set up annular ditch and ventilative prevention of seepage sand layer can guide ground rivers and get into the rainwater garden to save the rainwater, increased the utilization ratio of rainwater, make the rainwater garden need not frequently to water, labour saving and time saving, and resources are saved.

2. The utility model discloses a set up water storage box and drainage motor and can in time discharge excessive rainwater, prevent that excessive rainwater from soaking and making the plant die.

3. The utility model discloses a set up floating ring and current-limiting tank, in heavy rain weather, the floating ring can rise automatically, prevents that earth from running off, and prevents in the annular ditch that excessive rainwater from sneaking into the foundation ditch.

Drawings

Fig. 1 is a schematic structural view of a rainwater garden according to the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: the method comprises the following steps of 1 foundation pit, 11 planting layers, 12 nutrient soil layers, 13 gravel layers, 14 ventilation and anti-seepage sand layers, 2 water conveying pipes, 21 water conveying branch pipes, 3 annular water channels, 31 flow limiting grooves, 32 floating rings, 4 water storage tanks, 41 floating blocks, 42 marking rods, 5 drainage motors and 51 drainage pipes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-2, a rainwater garden comprises a foundation pit 1, a planting layer 11, a nutrient soil layer 12, a gravel layer 13 and a ventilating and anti-seepage sand layer 14 are filled in the foundation pit 1 in a layered manner from top to bottom, the ventilating and anti-seepage sand layer is in contact with the inner side wall of the foundation pit 1, a water delivery pipe 2 is arranged in the gravel layer 13, a water delivery branch pipe 21 is fixedly communicated with the side wall of the water delivery pipe 2, a plurality of drain holes are formed in the side wall of the water delivery branch pipe 21, an annular water channel 3 is arranged outside the foundation pit 1 and can guide ground water flow into the rainwater garden and store rainwater, the utilization rate of rainwater is increased, frequent watering of the rainwater garden is not needed, time and labor are saved, and.

The utility model discloses in, 3 lower extremes of annular ditch lead to pipe and raceway 2 intercommunication, annular ditch 3 is equipped with current-limiting groove 31 in being close to foundation ditch 1's the lateral wall, current-limiting groove 31 and annular ditch 3 intercommunication, sliding connection has floating ring 32 in current-limiting groove 31, at heavy rain weather, floating ring 32 can rise automatically, prevent earth loss, and prevent that excessive rainwater from overflowing into in the annular ditch 3 in foundation ditch 1, it is worth mentioning that, floating ring 32 has stereoplasm foam material to make, can float in the surface of water top, it needs to explain that, floating ring 32 and current-limiting groove 31's cross-section all is the round platform form setting, it is spacing to floating ring 32 to make, it leads to floating ring 32 to float out limiting groove 31 outward and is washed away by the rainwater to prevent that the rainfall is too big.

In the utility model, one end of the conduit pipe 2 is communicated with the water storage tank 4, it should be noted that, one end of the conduit pipe 2 communicated with the water storage tank 4 is arranged obliquely, and the included angle between the inclined angle and the horizontal plane is acute angle, the communicated part of the conduit pipe 2 and the water storage tank 4 is positioned on the same horizontal plane with the gravel layer 13, when the rainfall is less, the rainwater in the annular canal 3 enters the gravel layer 13 through the conduit pipe 2, when the gravel layer 13 is full of water, the rainwater enters the water storage tank 4 through the conduit pipe 2, it should be noted that, the water storage tank 4 is internally provided with the floating block 41, the upper end of the floating block 41 is fixedly connected with the marking rod 42, the side wall of the marking rod 42 is provided with scale marking lines, the water level in the water storage tank 4 can be judged according to the scale marking lines on the marking rod 42, when the water quantity in the water storage tank 4 is too much, the water is discharged in time, the side wall of the water storage tank 4 is fixedly, can discharge excessive rainwater in time, prevent the excessive rainwater from soaking and making the plant die.

The utility model discloses its functional principle is explained to following mode of operation of accessible: when the utility model is used, when raining, the rainwater on the ground flows into the annular canal 3 and flows to the various parts of the gravel layer 13 through the water conveying pipe 2 and the water conveying branch pipe 21, the rainwater is kept in the gravel layer 13 under the water storage effect of the ventilating and anti-seepage sand layer 14, the utilization rate of the rainwater is increased, the rainwater garden does not need to be watered frequently, time and labor are saved, resources are saved, the rainwater quantity is larger in rainstorm weather, the rainwater level in the annular canal 3 is higher, the floating ring 32 is floated, the rainwater in the annular canal 3 is prevented from overflowing into the foundation pit 1, the soil in the foundation pit 1 is prevented from being lost, after a certain amount of rainwater is accumulated in the gravel layer 13, the rainwater in the annular canal 3 enters the water storage tank 4 through the water conveying pipe 2, the water level in the water storage tank 4 is judged according to the scale indication line on the indication rod 42, when the water quantity in the water storage tank 4 is too much, the drainage motor 5 is started to drain the water in time, prevent the death of the plants caused by excessive rain water immersion.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A rainwater garden comprises a foundation pit (1) and is characterized in that a planting layer (11), a nutrient soil layer (12), a gravel layer (13) and a ventilation anti-seepage sand layer (14) are filled in the foundation pit (1) in a layered mode from top to bottom, the ventilation anti-seepage sand layer is in contact with the inner side wall of the foundation pit (1), a water conveying pipe (2) is arranged in the gravel layer (13), an annular water channel (3) is arranged outside the foundation pit (1), the lower end of the annular water channel (3) is communicated with the water conveying pipe (2) through a water pipe, a limited flow groove (31) is arranged in the side wall, close to the foundation pit (1), of the annular water channel (3), the limited flow groove (31) is communicated with the annular water channel (3), a floating ring (32) is connected in the limited flow groove (31) in a sliding mode, one end of the water conveying pipe (2) is communicated with a water storage tank (4), and a drainage, and a water discharge pipe (51) is fixedly communicated with a water discharge port of the water discharge motor (5).

2. A rainwater garden according to claim 1, characterised in that the side wall of the water pipe (2) is fixedly connected with a branch pipe (21), and the side wall of the branch pipe (21) is provided with a plurality of drainage holes.

3. A rainwater garden according to claim 1, characterised in that the floating ring (32) is of a rigid foam material.

4. A stormwater garden as claimed in claim 1, wherein the cross-sections of the floating ring (32) and the restriction (31) are each frustoconical.

5. A rainwater garden according to claim 1, characterised in that the end of the water pipe (2) that is connected to the reservoir (4) is inclined and the angle of inclination is acute to the horizontal, and the connection between the water pipe (2) and the reservoir (4) is on the same horizontal plane as the gravel layer (13).

6. A rainwater garden according to claim 1, characterised in that a floating block (41) is arranged in the water storage tank (4), the upper end of the floating block (41) is fixedly connected with a marking rod (42), and the side wall of the marking rod (42) is provided with scale marking lines.