CN220202902U - Rainwater garden structure - Google Patents

Abstract

The utility model discloses a rainwater garden structure, which comprises: the ecological beach pool is vertically arranged in an overflow well in the ecological beach pool, a planting soil layer, a sand layer and a gravel layer are sequentially paved on the ecological beach pool from top to bottom, a waterproof layer is paved on the inner wall of the ecological beach pool, and the waterproof layer is positioned at the bottom of the gravel layer; the overflow well is communicated with the reservoir, a water pump is arranged in the reservoir, the water pump is connected with a water spraying head through a water pipe, and the water spraying head is located above the planting soil layer. The utility model has the advantages of recycling water resources, improving rainwater utilization rate and the like.

Description

Rainwater garden structure

Technical Field

The utility model relates to the technical field of rainwater gardens, in particular to a rainwater garden structure.

Background

The rainwater garden is a natural or artificially excavated shallow concave green land, the vegetation is taken as a main rainwater collecting system, the rainwater is stored and utilized after being purified through the self-cleaning effect of plants and soil filtration, the rainwater garden can save water resources, reduce the influence of urban rainfall flood, improve urban environment and improve the health degree of urban ecological system. The rainwater is purified by the comprehensive actions of plants and sandy soil, and gradually permeates into soil to treat groundwater or be used for landscape water and the like.

The Chinese patent literature discloses a rainwater garden system, and patent publication number is CN216238885U, and this scheme filters the rainwater that gets into the overflow well and is discharged by the drain pipe through setting up the filter disc to avoid causing the jam of pipeline, but this scheme is connected outside water storage equipment or direct the drainage through the drain pipe with water, and is poor to the rainwater utilization effect, and can't collect and store the rainwater, thereby can't be used for the follow-up watering of rainwater garden nearby with the rainwater that gathers.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to solve the technical problems that: how to provide a rainwater garden structure which can realize rainwater collection.

In order to solve the technical problems, the utility model adopts the following technical scheme: a stormwater garden structure, comprising: the ecological beach pool is vertically arranged in an overflow well in the ecological beach pool, a planting soil layer, a sand layer and a gravel layer are sequentially paved on the ecological beach pool from top to bottom, a waterproof layer is paved on the inner wall of the ecological beach pool, and the waterproof layer is positioned at the bottom of the gravel layer; the cistern is located the bottom of gravel layer, overflow well intercommunication the cistern, be provided with the water pump in the cistern, the water pump passes through water piping connection sprinkler bead, the sprinkler bead is located planting soil layer top.

The ecological beach pool is internally provided with a planting soil layer, a sand layer and a gravel layer from top to bottom, so that rainwater is effectively filtered in the infiltration process, and pollution to water quality is reduced; meanwhile, the waterproof layer can prevent the bottom from leaking, the rainwater storage effect is guaranteed, the reservoir is buried in the ecological beach pool, water entering through the overflow well is stored, the water pump is utilized to be connected with the water spraying head through the water pipe, water supplementing or green planting and the like can be carried out in the ecological beach pool, the rainwater storage device is more convenient, and the rainwater utilization rate is improved.

Further, a through hole is formed in the side wall of the overflow well and is communicated with the reservoir, a drainage channel for draining water is further formed in the middle of the overflow well, and the bottom edge of the drainage channel is higher than that of the through hole.

Through holes are formed in the side wall of the overflow well, so that the overflow well is communicated with the reservoir, when the rainwater amount reaches a certain degree, redundant water in the ecological beach pool enters the overflow well, and enters the overflow well through the through holes, so that rainwater is conveniently collected and stored. The arrangement of the drain pipe enables the water in the reservoir to be discharged through the drain pipe when the rainwater is excessive, namely, the water in the reservoir is excessive.

Still further, the outer wall of cistern encircles the overflow well makes the overflow well with the cistern is coaxial, just overflow well with sealing connection has the shrouding between the cistern.

Still further, the shrouding orientation the slope of cistern outer wall sets up, the shrouding is located the gravel layer, have the drainage hole on the shrouding, be located the lowest the drainage hole is higher than the through-hole bottom edge, just the shrouding upper berth is equipped with permeable cloth.

The shrouding sets up towards the slope of cistern outer wall, is favorable to getting into the rainwater infiltration cistern smoothly in gravel layer, and the first filterable water of passing through sand bed and gravel layer is by cloth infiltration cistern that permeates water to through filtering once more, because the infiltration rate is slower, unnecessary rainwater gets into the cistern through the overflow well after the soil layer is planted in the strongback, when the rainfall is great, can satisfy timely drainage.

Further, a filter basket is arranged at the opening of the overflow well, and a filter piece is filled in the filter basket.

The filter basket is arranged at the opening of the overflow well, and the filter basket is internally filled with filter pieces, so that impurities and garbage with larger particles are effectively blocked, the overflow well is prevented from being blocked, and the clarity of rainwater is ensured.

Still further, the middle part of filter basket is vertically offered and is linked together the outlet of overflow well, the filter is encircleed the outlet sets up.

Still further, the top of overflow well is located the planting soil layer top, and the top lid of overflow well is equipped with the closing cap, four sides of closing cap have the overflow mouth.

The top of the overflow well is positioned above the planting soil layer, and the sealing cover is arranged to prevent rainwater from directly flowing into the overflow well, so that the rainwater is ensured to be filtered by the ecological beach pool, and overflow ports are formed in four sides of the sealing cover, so that the rainwater smoothly enters the overflow well and is collected or discharged when the rainwater quantity is too large.

In conclusion, the utility model has the advantages of recycling water resources, improving rainwater utilization rate and the like.

Drawings

Fig. 1 is a schematic view of a rainwater garden.

FIG. 2 is a schematic view of a filter basket.

Fig. 3 is a partial enlarged view of fig. 1 at a.

Fig. 4 is a schematic diagram of a closure structure.

Wherein the reference numerals are as follows: 1. an ecological beach pool; 11. planting a soil layer; 12. a sand layer; 13. a gravel layer; 14. a waterproof layer; 2. an overflow well; 21. a through hole; 22. a drainage channel; 3. a reservoir; 31. a sealing plate; 311. a water filtering hole; 4. a water pump; 41. a water pipe; 42. a water spray head; 5. a filter basket; 51. a filter; 52. a water outlet; 6. a cover; 61. and an overflow port.

Detailed Description

The present utility model will be described in further detail with reference to examples.

The specific implementation method comprises the following steps: as shown in fig. 1 to 4, a rain garden structure, comprising: the ecological beach pool comprises an ecological beach pool 1 and an overflow well 2 vertically arranged in the ecological beach pool 1, wherein a planting soil layer 11, a sand layer 12 and a gravel layer 13 are sequentially paved on the ecological beach pool 1 from top to bottom, a waterproof layer 14 is paved on the inner wall of the ecological beach pool 1, and the waterproof layer 14 is positioned at the bottom of the gravel layer 13; reservoir 3 is located the bottom of gravel layer 13, overflow well 2 intercommunication reservoir 3, be provided with water pump 4 in the reservoir 3, water pump 4 passes through water pipe 41 and connects sprinkler bead 42, sprinkler bead 42 is located planting soil layer 11 top.

The ecological beach pool 1 is sequentially paved with a planting soil layer 11, a sand layer 12 and a gravel layer 13 from top to bottom, vegetation such as green planting and the like are planted in the planting soil layer 11, rainwater is filtered by the sand layer 12 and the gravel layer 13, filtered rainwater permeates into the ground 4, meanwhile, a waterproof layer 14 is paved on the inner wall, the purpose of water locking is achieved by the waterproof layer 14, the wettability of the ecological beach pool 1 is maintained, and therefore the effects of water saving and environmental protection are achieved. In addition, still set up vertical overflow well 2 in the ecological beach pond 1 for collect the rainwater and introduce the cistern 3 with unnecessary rainwater, the water in the cistern 3 can be directly used for ecological beach pond 1, thereby effectively utilize the water resource.

In practice, the through holes 21 are formed in the side wall of the overflow well 2, the through holes 21 are communicated with the reservoir 3, when rainwater is accumulated to the top of the overflow well 2, rainwater flowing into the well is conveyed to the reservoir 3 through the through holes 21, and due to the limited volume of the reservoir 3, a drainage channel 22 for drainage is further formed in the middle of the overflow well 2, the bottom of the drainage channel 22 is higher than the bottom of the through holes 21, the side wall of the overflow well 2 is provided with the through holes 21 so as to be communicated with the reservoir 3, when the rainwater amount reaches a certain degree, redundant water in the ecological beach pool 1 enters the overflow well 2 and enters the overflow well 2 through the through holes 21, the rainwater is conveniently collected and stored, and the rest of water is transmitted to a municipal drainage system or other storage equipment along with the drainage channel 22. Wherein, the outer wall of cistern 3 encircles overflow well 2 makes overflow well 2 with cistern 3 is coaxial, just overflow well 2 with sealing connection has shrouding 31 between the cistern 3, makes cistern 3 form the enclosure space, prevents that the impurity in the soil from not keeping somewhere just entering cistern 3. Meanwhile, in order to enable excessive water in the gravel layer 13 to flow into the reservoir 3, the sealing plate 31 is obliquely arranged towards the outer wall of the reservoir 3, the sealing plate 31 is positioned in the gravel layer 13, the sealing plate 31 is provided with water filtering holes 311, the water filtering holes 311 positioned at the lowest position are higher than the bottom edges of the through holes 21, water permeable cloth is paved on the sealing plate 31, and the water filtering holes 311 can be partially formed in the sealing plate 31, so that the excessive water is accumulated in the gravel layer 13 only when the rainwater amount is large, the excessive water can slowly permeate into the reservoir 3 through the water permeable cloth with the water filtering holes 311, or the sealing plate 31 is made of materials with water permeable functions such as water permeable geotechnical cloth, water filtered for the first time through the sand layer 12 and the gravel layer 13 is permeated into the reservoir 3 through the water permeable cloth and is filtered again, and the excessive rainwater enters the reservoir 3 through the overflow well 2 after the sand layer 11 is permeated through the sand layer, and the water can be drained in time when the rainwater amount is large.

When the overflow well 2 is implemented, the filter basket 5 is arranged at the opening of the overflow well 2, the filter basket 5 is internally filled with the filter piece 51, impurities and garbage with larger particles are effectively blocked, the overflow well 2 is prevented from being blocked, and the clarity of rainwater is ensured. The middle part of the filter basket 5 is vertically provided with a water outlet 52 communicated with the overflow well 2, and the filter piece 51 is arranged around the water outlet 52. The top of the overflow well 2 is located above the planting soil layer 11, a sealing cover 6 is arranged on the top cover of the overflow well 2, overflow ports 61 are formed in four sides of the sealing cover 6, and when the rainwater amount is too large, the rainwater smoothly enters the overflow well 2 and is collected or discharged.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (7)

1. A stormwater garden structure, comprising: the ecological beach pool is vertically arranged in an overflow well in the ecological beach pool, a planting soil layer, a sand layer and a gravel layer are sequentially paved on the ecological beach pool from top to bottom, a waterproof layer is paved on the inner wall of the ecological beach pool, and the waterproof layer is positioned at the bottom of the gravel layer;

the cistern is located the bottom of gravel layer, overflow well intercommunication the cistern, be provided with the water pump in the cistern, the water pump passes through water piping connection sprinkler bead, the sprinkler bead is located planting soil layer top.

2. The rainwater garden structure as claimed in claim 1, wherein a through hole is provided on a side wall of the overflow well, the through hole is communicated with the reservoir, a drainage channel for draining water is further provided in a middle part of the overflow well, and a bottom edge of the drainage channel is higher than a bottom edge of the through hole.

3. A stormwater garden structure as claimed in claim 2, wherein the outer wall of the reservoir surrounds the overflow well such that the overflow well is coaxial with the reservoir and a sealing plate is sealingly connected between the overflow well and the reservoir.

4. A stormwater garden structure as claimed in claim 3, wherein the sealing plate is inclined towards the outer wall of the reservoir, the sealing plate is positioned in the gravel layer, the sealing plate is provided with water filtering holes, the water filtering holes positioned at the lowest position are higher than the bottom edges of the through holes, and water permeable cloth is paved on the sealing plate.

5. A stormwater garden structure as claimed in claim 2, wherein a filter basket is mounted at the opening of the overflow well, the filter basket being filled with filter elements.

6. The stormwater garden structure as claimed in claim 5, wherein a water outlet communicating with the overflow well is vertically provided in a middle portion of the filter basket, and the filter is disposed around the water outlet.

7. The stormwater garden structure as claimed in claim 6, wherein the top end of the overflow well is located above the planting soil layer, and the top cover of the overflow well is provided with a cover having overflow ports on four sides.