CN216689261U

CN216689261U - Rainwater garden drainage structure

Info

Publication number: CN216689261U
Application number: CN202123043109.8U
Authority: CN
Inventors: 梁晓义; 李璐璐; 石亭亭; 赵倩男
Original assignee: Anhui Lianheng Landscape Construction Co ltd
Current assignee: Anhui Lianheng Landscape Construction Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-06-07
Anticipated expiration: 2031-12-06

Abstract

The utility model discloses a drainage structure of a rainwater garden, which comprises an excavated strip ditch, wherein the cross section of the ditch is isosceles trapezoid, two drainage pipes are inserted into a gravel layer, the surfaces of the drainage pipes are provided with water permeable holes, the other ends of the drainage pipes are connected with U-shaped pipes, a plurality of cleaning sheets are arranged in the U-shaped pipes, and the centers of the cleaning sheets are all fixed on the same traction rope. The cleaning sheets move in the drain pipe by pulling the traction rope, the side edges of the cleaning sheets and the inner wall of the drain pipe have the function of scraping and rubbing, dirt adsorbed on the inner wall of the drain pipe is separated and discharged along the open end of the drain pipe, the cleaning purpose is achieved, the drain pipe is cleaned once at intervals, the water permeable holes of the drain pipe can be dredged, the water seepage efficiency is improved, rainwater is prevented from being accumulated on the ground surface, the cleaning is convenient, and the drain pipe does not need to be replaced.

Description

Rainwater garden drainage structure

Technical Field

The utility model belongs to the technical field of garden construction, and particularly relates to a drainage structure of a rainwater garden.

Background

The rainwater garden is a shallow concave green land which is naturally formed or artificially excavated, is used for gathering and absorbing rainwater from a roof or the ground, purifies the rainwater through the comprehensive action of plants and sand, gradually permeates the soil, contains underground water, or supplies urban water such as landscape water, toilet water and the like, and is an ecologically sustainable rainwater flood control and rainwater utilization facility. The rainwater garden in the park is mainly excavated manually, the selected place is the position with the lowest terrain, and the rainwater garden is arranged in place to take water, so that the rainwater garden is particularly suitable for dry and rainy places.

The site selection of the rainwater garden is in a place with relatively low park topography, which is convenient for rainwater collection, and the principle is that the rainwater garden is dispersedly arranged and controlled at multiple points. The rainwater garden seems to be a pit excavation for drainage and rainwater collection, but it has a rather complex hierarchy, which can reach 8-10 different filter layers. Wherein, in order to make the rainwater can be stored, the bottom layer is laid with the cobble layer in the hierarchical structure to it has the drain pipe to alternate, collects the rainwater through the drain pipe. However, no matter how well the hierarchical filtering structure is, dust mixed with rainwater and the like permeate into the drain pipe, sludge deposition is formed in the drain pipe, and further drainage is affected after a long time. Therefore, the utility model mainly solves the problem that the drainage fails because the drainage pipe of the rainwater garden is easy to accumulate sludge and is not easy to clean.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a drainage structure of a rainwater garden, and mainly solves the problem that drainage is failed due to the fact that sludge is easy to accumulate in a drainage pipe of the rainwater garden and is not easy to clean.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

a drainage structure of a rainwater garden comprises an excavated strip-shaped ditch, wherein the cross section of the ditch is isosceles trapezoid, and the ditch sequentially comprises a pebble layer, a planting soil layer, a coarse sand layer and a gravel layer from top to bottom;

two drain pipes have been alternate in the gravel layer, and the drain pipe surface has the hole of permeating water, the drain pipe is with one end opening to the intercommunication has the manhole, the other end of drain pipe is connected with the U-shaped pipe, install a plurality of cleaning sheets in the U-shaped pipe, the cleaning sheet is circular and avris and U-shaped intraductal wall paste, cleaning sheet central authorities all are fixed in same haulage rope, the haulage rope is drawn forth by the open end of drain pipe for pull the cleaning sheet and remove in the drain pipe.

Furthermore, the bottom of the ditch is provided with a cement impermeable layer and is formed by pouring bricks and cement.

Further, a sponge filter layer is arranged between the coarse sand layer and the gravel layer.

Furthermore, a supporting structure for supporting the sponge layer is installed on the upper side of the gravel layer, the supporting framework comprises a plurality of supporting pieces which are sequentially arranged and installed, the supporting pieces are in a long strip shape, and the end parts of the supporting pieces are bent and attached to the inner wall of the ditch.

Furthermore, the center of the cleaning sheet is a disc, the side of the disc is an annular rubber sheet, and the traction rope is fixed in the center of the disc.

The utility model has the following beneficial effects:

when the cleaning agent needs to be cleaned, the cleaning agent manually goes down to an inspection well, the cleaning agent moves in the drain pipe by pulling the traction rope, the side edge of the cleaning agent has the rubbing effect with the inner wall of the drain pipe, so that dirt adsorbed on the inner wall of the drain pipe is separated and discharged along the open end of the drain pipe, the cleaning purpose is achieved, the drain pipe is cleaned once every a period of time, the water permeable hole of the drain pipe can be dredged, the water seepage efficiency is improved, rainwater is prevented from being accumulated on the ground surface, the cleaning agent is convenient, and the drain pipe does not need to be replaced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used for describing the embodiments are briefly introduced below, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1: the utility model is a schematic cross-sectional structure.

FIG. 2: the utility model is a schematic side structure.

FIG. 3: the drainage pipe of the utility model is provided with a sectional structure diagram.

In the drawings, the components represented by the respective reference numerals are listed below:

pebble layer 1, planting soil layer 2, coarse sand layer 3, gravel layer 4, drain pipe 5, water permeable hole 51, manhole 8, U-shaped pipe 52, cleaning sheet 9, haulage rope 53, cement impermeable layer 6, sponge filter layer 7, support sheet 71, disc 91 and rubber sheet 92.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.

In the present invention, it is to be understood that: the terms "open," "upper," "lower," "thickness," "top," "center," "length," "inner," "peripheral," and the like are used herein to indicate an orientation or positional relationship, merely to facilitate describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced components must have a particular orientation.

As shown in fig. 1-3: a rainwater garden drainage structure comprises an excavated strip-shaped ditch, the cross section of the ditch is isosceles trapezoid, the ditch is narrow at the bottom and wide at the top, and the ditch sequentially comprises a pebble layer 1, a planting soil layer 2, a coarse sand layer 3 and a gravel layer 4 from top to bottom; the planting soil layer is mainly made of coconut chaff, sand and soil.

Two drain pipes 5 have been alternate in the gravel layer 4, and drain pipe 5 surface has the hole 51 of permeating water, the same end opening of drain pipe 5 to the intercommunication has the manhole 8, the other end of drain pipe 5 is connected with the U-shaped pipe 52, install a plurality of cleaning sheet 9 in the U-shaped pipe 52, cleaning sheet 9 is circular and the avris pastes with U-shaped pipe 52 inner wall and leans on, cleaning sheet 9 central authorities all are fixed in same haulage rope 53, haulage rope 53 is drawn forth by the open end of drain pipe 5 for pull cleaning sheet 9 and remove in drain pipe 5.

The process of cleaning the drain pipe is as follows: the cleaning sheets are all located in the U-shaped pipe in a normal state, when cleaning is needed, the cleaning sheets manually go down to an inspection well, corresponding hauling ropes are found, the cleaning sheets move in the drain pipe by pulling the hauling ropes, the side of each cleaning sheet and the inner wall of the drain pipe have the rubbing effect, dirt adsorbed on the inner wall of the drain pipe is separated and discharged along the opening end of the drain pipe, the cleaning purpose is achieved, and after cleaning of a single drain pipe is completed, the cleaning sheets are reversely pulled to clean the other drain pipe.

The drain pipe is cleaned once every a period of time, the permeable hole of the drain pipe can be dredged, the water seepage efficiency is improved, rainwater is prevented from being hoarded on the ground surface, the cleaning is convenient, and the drain pipe does not need to be replaced.

As shown in fig. 1: the bottom of the ditch is provided with a cement impermeable layer 6 which is formed by pouring bricks and cement. The purpose of preventing the water flow from permeating downwards and collecting is achieved.

As shown in fig. 1: a sponge filter layer 7 is arranged between the coarse sand layer 3 and the gravel layer 4. Used for intercepting fine impurities, including organic matters, soil and the like.

As shown in fig. 1: the upper side of the gravel layer 4 is provided with a supporting structure for supporting the sponge layer 7, the supporting framework comprises a plurality of supporting pieces 71 which are sequentially arranged, the supporting pieces 71 are in a strip shape, and the end parts of the supporting pieces 71 are bent and attached to the inner wall of the ditch. The support sheets are sequentially arranged like sleepers on the rail, the support sheets are made of aluminum and are rustproof, and the support sheets are beneficial to improving the support performance after the end parts are bent.

As shown in fig. 3: the center of the cleaning sheet 9 is a disc 91, the edge of the disc 91 is an annular rubber sheet 92, and the traction rope 53 is fixed at the center of the disc 91. The disc is fixed to the haulage rope, and the disc is the rigidity material, and rigid plastics or aluminum product are difficult to deform at the in-process that the haulage rope was dragged, and the small deformation can take place for abundant clearance drain pipe inner wall to the sheet rubber.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model.

Claims

1. A rainwater garden drainage structure is characterized in that:

the ditch comprises an excavated strip-shaped ditch, the cross section of the ditch is isosceles trapezoid, and the ditch sequentially comprises a pebble layer (1), a planting soil layer (2), a coarse sand layer (3) and a gravel layer (4) from top to bottom;

two drain pipes (5) have been interlude in gravel layer (4), drain pipe (5) surface has hole (51) of permeating water, the same end opening of drain pipe (5) to the intercommunication has manhole (8), the other end of drain pipe (5) is connected with U-shaped pipe (52), install a plurality of cleaning sheet (9) in U-shaped pipe (52), cleaning sheet (9) are circular and avris and U-shaped pipe (52) inner wall paste and lean on, cleaning sheet (9) central authorities all are fixed in same haulage rope (53), haulage rope (53) are drawn forth by the open end of drain pipe (5) for pull cleaning sheet (9) and remove in drain pipe (5).

2. A storm water garden drainage structure as claimed in claim 1, wherein: the bottom of the ditch is provided with a cement impermeable layer (6) which is formed by pouring bricks and cement.

3. A storm water garden drainage structure as claimed in claim 2, wherein: a sponge filter layer (7) is arranged between the coarse sand layer (3) and the gravel layer (4).

4. A storm water garden drainage structure as claimed in claim 3, wherein: the supporting structure for supporting the sponge filtering layer (7) is installed on the upper side of the gravel layer (4), the supporting framework comprises a plurality of supporting sheets (71) which are sequentially arranged and installed, the supporting sheets (71) are long-strip-shaped, and the end portions of the supporting sheets (71) are bent and attached to the inner wall of the ditch.

5. A storm water garden drainage structure as claimed in any one of claims 1 to 4, wherein: the central part of the cleaning sheet (9) is a disc (91), the side of the disc (91) is an annular rubber sheet (92), and the traction rope (53) is fixed at the central part of the disc (91).