Drainage device for rainwater garden construction

By introducing an electric push rod-driven brush cleaning structure and a biological filter layer into the drainage device for rain garden construction, the problem of filter clogging was solved, automated cleaning and water treatment were achieved, and the applicability and water discharge efficiency of the device were improved.

CN224031855UActive Publication Date: 2026-03-24ZHEJIANG HUIJING CONSTR CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing drainage systems used in rain garden construction are not easy to clean, which leads to easy clogging of the filter screen, affecting their applicability and efficiency.

Method used

A drainage device for rain garden construction, comprising a filtration structure, a cleaning structure, and a drainage structure, was designed. An electric push rod drives a movable plate to move a brush to clean the filter screen. Combined with a biological filtration layer and an activated carbon filter screen, it achieves automated cleaning and water purification.

Benefits of technology

It effectively prevents filter clogging, improves the applicability and convenience of the device, and ensures the safety and efficiency of purified water discharge.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of rainwater garden drainage, and provides a drainage device for rainwater garden construction, which comprises a land and a filter box, a filter structure is arranged on one side of the top of the land, the filter box is arranged on the other side of the top of the land, a sewage pool is fixed at the bottom end of the filter box, a drainage structure is arranged in the filter box, and the sewage pool is connected with the drainage structure. And a cleaning structure is arranged on one side in the filter box. The cleaning structure is arranged, under the action of the sliding groove, the moving stability of the movable plate is enhanced, the moved movable plate drives the bristles to move up and down through the cleaning base, one side of the activated carbon filter screen is cleaned through the bristles, impurities can enter a sewage pool through the sewage outlet at the moment, and the cleaning effect of the activated carbon filter screen is improved. Therefore, the activated carbon filter screen is prevented from being blocked, the anti-blocking function of the device is achieved, and the applicability of the drainage device for rainwater garden construction in use is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to rainwater garden drainage technical field, especially rainwater garden construction is with drainage device. BACKGROUND

[0002] Rainwater garden is natural formation or artificial excavation shallow concave green land, is used to gather and absorb rainwater from roof or ground, rainwater is purified through the comprehensive action of plant, sand, the water after purification can supply landscape water, toilet water city water, is an ecological sustainable rain flood control and rainwater utilization facility, therefore will use a rainwater garden construction drainage device;

[0003] Therefore, the patent with the publication number CN209323300U discloses a sponge city rainwater collection system, which belongs to the field of urban rainwater treatment. The sponge city rainwater collection system comprises a permeable pavement, a first water storage tank, an ecological rainwater garden, a third water storage tank, and a control device. The permeable pavement is provided with the ecological rainwater garden on the side. The ecological rainwater garden comprises a vegetation layer, a soil layer, a fourth permeable layer, and a second water storage tank. The third water storage tank is connected with a drainage ditch through a pipeline. The system has two buffer layers, three permeable layers, and a filter base layer. The buffer layer, the permeable layer, and the filter base layer all have a filtering effect, so that the water in the water storage tank is clear, and the system can be directly applied to urban construction, such as flower and grass maintenance, ground watering, ground construction, and the like. The design of the permeable pavement, the ecological rainwater garden, and the water storage tank makes the entire city be reasonably used, the green area is large, the maintenance is convenient, and the flood disaster is prevented, and the rainwater utilization rate is improved.

[0004] Although the sponge city rainwater collection system disclosed in the above patent can prevent flood disasters and improve the rainwater utilization rate, the system is inconvenient to clean and cannot avoid the blockage of the filter screen, so that the system has low applicability. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a rainwater garden construction drainage device to solve the defect that the existing rainwater garden construction drainage device is inconvenient to clean.

[0006] In order to solve the above technical problems, the utility model provides the following technical scheme: a rainwater garden construction drainage device, which comprises land and a filter box.

[0007] One side of the top of the land is provided with a filter structure, and the other side of the top of the land is provided with the filter box.

[0008] The bottom end of the filter box is fixedly provided with a sewage tank, and the inside of the filter box is provided with a drainage structure.

[0009] One side of the filter box is provided with a cleaning structure, which comprises an electric push rod penetrating through one side of the top of the filter box, the bottom end of the electric push rod is fixed with a movable plate, the inside of the filter box on both sides of the movable plate is provided with a sliding groove, the bottom end of the filter box below the electric push rod is fixed with a blowdown port, one side of the movable plate is fixed with a cleaning seat, and the cleaning seat is uniformly fixed with bristles on one side.

[0010] When the device is used, the cleaning structure is provided, the device is convenient to prevent blockage, thereby improving the applicability of the rainwater garden construction drainage device in use; the filter structure is provided, the device is convenient to filter, thereby improving the convenience of the rainwater garden construction drainage device in use; the drainage structure is provided, the device is convenient to discharge clean water, thereby improving the safety of the rainwater garden construction drainage device in use.

[0011] Preferably, the filter structure comprises a collection frame, a gravel drainage layer, a sand filter layer, a soil layer, a vegetation layer and a connecting pipe, the collection frame is fixed on one side of the top of the land, the bottom of the collection frame is provided with the gravel drainage layer, the top of the gravel drainage layer is provided with the sand filter layer, the top of the sand filter layer is provided with the soil layer, the top of the soil layer is provided with the vegetation layer, and the connecting pipe is fixed on one side of the bottom of the collection frame. Under the action of the vegetation layer, a biological filter layer can be formed to intercept large particle impurities, under the action of the sand filter layer, suspended solids, colloids and other impurities in water can be removed, thereby reducing the turbidity of water and improving water quality.

[0012] Preferably, the top of the vegetation layer extends to the outside of the land, and the end of the connecting pipe away from the collection frame is connected with one side of the filter box. Under the action of the gravel drainage layer, rainwater can be quickly penetrated to effectively prevent water accumulation and reduce waterlogging, so that the filtered rainwater enters the inside of the filter box through the connecting pipe.

[0013] Preferably, the drainage structure comprises a liquid level sensor, a fixed frame, an activated carbon filter screen, a drainage pipe, a baffle and a fixing bolt, the liquid level sensor is fixed on one side of the top of the filter box, the drainage pipe is fixed on one side of the bottom of the filter box, the inside of the filter box on one side of the liquid level sensor is uniformly provided with the fixed frame, the middle of the fixed frame is provided with the activated carbon filter screen, the top of the fixed frame extends to the outside of the filter box and is fixed with the baffle, and the inside of the baffle is penetrated through the fixing bolt on both sides.

[0014] Preferably, the inside of the drainage pipe is provided with a drainage valve, and the top of the baffle is fixed with a handle. Under the action of the activated carbon filter screen, suspended solids, colloids, organic matter and microorganisms and other impurities in water can be removed to improve water quality, and under the action of the liquid level sensor, the liquid level sensor can monitor the height of water in the filter box in real time.

[0015] Preferably, the baffle and filter box are fixedly connected by fixing bolts.

[0016] Preferably, the movable plate and filter box constitute a sliding structure through a sliding groove, the bottom end of the blowdown port is communicated with the top end of the sewage pool, and one side of the brush is in contact with one side of the activated carbon filter screen.

[0017] The rainwater garden construction drainage device has the advantages that:

[0018] Through the cleaning structure, the stability of the movable plate during movement is enhanced under the action of the sliding groove, the movable plate after movement drives the brush to move up and down through the cleaning seat, the brush cleans one side of the activated carbon filter screen, at this time, impurities enter the inside of the sewage pool through the blowdown port, so that the activated carbon filter screen is prevented from being blocked, the function of preventing blockage of the device is realized, and the applicability of the rainwater garden construction drainage device during use is improved.

[0019] Through the filtering structure, a biological filter layer can be formed under the action of the vegetation layer, large-particle impurities are intercepted, suspended matter, colloid and other impurities in water can be removed under the action of the sand filter layer, so that the turbidity of water is reduced and the water quality is improved, rainwater can be rapidly penetrated under the action of the gravel drainage layer, waterlogging is effectively prevented, and the occurrence of waterlogging is reduced, so that the filtered rainwater enters the inside of the filter box through the connecting pipe, the function of facilitating filtration of the device is realized, and the convenience of the rainwater garden construction drainage device during use is improved.

[0020] Through the drainage structure, suspended matter, colloid, organic matter and microorganisms and other impurities in water can be removed under the action of the activated carbon filter screen, the water quality is improved, the liquid level sensor can monitor the height of water in the filter box in real time under the action of the liquid level sensor, when the water level reaches a preset value, the liquid level sensor can control the drainage valve to start working through the single-chip microcomputer, the activated carbon filter screen is fixed or replaced under the action of the fixing bolt, the function of facilitating drainage of clean water of the device is realized, and the safety of the rainwater garden construction drainage device during use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0022] Figure 2 It is the front view cross section structure schematic view of the utility model;

[0023] Figure 3 It is the drainage structure side view cross section structure schematic view of the utility model;

[0024] Figure 4 It is the cleaning structure side view cross section structure schematic view of the utility model;

[0025] Figure 5 It is the cleaning structure three-dimensional structure schematic view of the utility model.

[0026] The figure mark explanation: 1, land; 2, filter structure; 201, collection frame; 202, gravel drainage layer; 203, sand filter layer; 204, soil layer; 205, vegetation layer; 206, connecting pipe; 3, filter box; 4, drainage structure; 401, liquid level sensor; 402, fixed frame; 403, activated carbon filter screen; 404, drain pipe; 405, baffle; 406, fixed bolt; 5, cleaning structure; 501, electric push rod; 502, movable plate; 503, chute; 504, sewage outlet; 505, cleaning seat; 506, brush; 6, sewage pool. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0028] Please refer to Figures 1-5 The utility model provides a drainage device for rainwater garden construction, including land 1 and filter box 3, one side of land 1 top is provided with filter structure 2, filter structure 2 includes collection frame 201, gravel drainage layer 202, sand filter layer 203, soil layer 204, vegetation layer 205 and connecting pipe 206, collection frame 201 is fixed to one side of land 1 top, the bottom of collection frame 201 is provided with gravel drainage layer 202, the top of gravel drainage layer 202 is provided with sand filter layer 203, the top of sand filter layer 203 is provided with soil layer 204, the top of soil layer 204 is provided with vegetation layer 205, one side of collection frame 201 bottom is fixed with connecting pipe 206, the top of vegetation layer 205 extends to the outside of land 1, and the end, away from collection frame 201 of connecting pipe 206 is connected with one side of filter box 3.

[0029] Refer to Figure 1 And Figure 2As shown, under the action of the vegetation layer 205, a biological filter layer can be formed to intercept large-particle impurities, under the action of the sand filter layer 203, suspended solids, colloids and other impurities in the water can be removed to reduce the turbidity of the water and improve the water quality, under the action of the gravel drainage layer 202, rainwater can be rapidly infiltrated to effectively prevent waterlogging and thus make the filtered rainwater enter the inside of the filter box 3 through the connecting pipe 206.

[0030] The other side of the top of the land 1 is provided with the filter box 3, the bottom end of the filter box 3 is fixed with the sewage pool 6, the inside of the filter box 3 is provided with the drainage structure 4, the drainage structure 4 includes the liquid level sensor 401, the fixed frame 402, the activated carbon filter screen 403, the drain pipe 404, the baffle 405 and the fixed bolt 406, the liquid level sensor 401 is fixed to one side of the top of the filter box 3, one side of the bottom of the filter box 3 is fixed with the drain pipe 404, the inside of the filter box 3 on one side of the liquid level sensor 401 is uniformly provided with the fixed frame 402, the middle of the fixed frame 402 is uniformly provided with the activated carbon filter screen 403, the top end of the fixed frame 402 extends to the outside of the filter box 3 and is fixed with the baffle 405, the inside of the baffle 405 is penetrated by the fixed bolt 406 on both sides, the inside of the drain pipe 404 is installed with the drain valve, the top end of the baffle 405 is fixed with the handle, and the baffle 405 and the filter box 3 are fixedly connected through the fixed bolt 406.

[0031] Referring to Figure 2 and Figure 3 As shown, the handle moves the baffle 405 to move the fixed frame 402 to the inside of the filter box 3 under the action of the fixed bolt 406 so as to fix or replace the activated carbon filter screen 403, under the action of the activated carbon filter screen 403, suspended solids, colloids, organic matter and microorganisms and other impurities in the water can be removed to improve the water quality, under the action of the liquid level sensor 401, the liquid level sensor 401 can monitor the height of the water in the inside of the filter box 3 in real time, when the water level reaches the preset value, the liquid level sensor 401 will control the drain valve to start working through the single-chip microcomputer to make the clean water be discharged through the drain pipe 404.

[0032] One side of the inside of the filter box 3 is provided with the cleaning structure 5, the cleaning structure 5 includes the electric push rod 501 penetrating the top of the filter box 3, the bottom end of the electric push rod 501 is fixed with the movable plate 502, the inside of the filter box 3 on both sides of the movable plate 502 is provided with the sliding slot 503, the bottom end of the filter box 3 below the electric push rod 501 is fixed with the blowdown 504, one side of the movable plate 502 is fixed with the cleaning seat 505, one side of the cleaning seat 505 is uniformly fixed with the bristle 506, the movable plate 502 and the filter box 3 form a sliding structure through the sliding slot 503, the bottom end of the blowdown 504 is communicated with the top end of the sewage pool 6, and one side of the bristle 506 is in contact with one side of the activated carbon filter screen 403.

[0033] Referring to Figure 4 andFigure 5 As shown, the electric push rod 501 is started, the electric push rod 501 drives the movable plate 502 to move inside the sliding groove 503, under the action of the sliding groove 503, the stability of the movable plate 502 when moving is enhanced, the movable plate 502 after moving drives the bristles 506 to move up and down through the cleaning seat 505, the bristles 506 clean one side of the activated carbon filter screen 403, at this time, impurities will enter the inside of the sewage tank 6 through the sewage outlet 504, thereby avoiding the activated carbon filter screen 403 from being blocked.

[0034] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A drainage device for rain garden construction, comprising a land (1) and a filter box (3); Characterized in that: One side of the top of the land (1) is provided with a filter structure (2), and the other side of the top of the land (1) is provided with a filter box (3); The bottom end of the filter box (3) is fixedly connected with a sewage pool (6), and the inside of the filter box (3) is provided with a drainage structure (4); One side of the inside of the filter box (3) is provided with a cleaning structure (5), the cleaning structure (5) comprises an electric push rod (501) penetrating through one side of the top of the filter box (3), the bottom end of the electric push rod (501) is fixedly connected with a movable plate (502), the inside of the filter box (3) on both sides of the movable plate (502) is provided with a sliding groove (503), the bottom end of the filter box (3) below the electric push rod (501) is fixedly connected with a sewage outlet (504), one side of the movable plate (502) is fixedly connected with a cleaning seat (505), and the cleaning seat (505) is uniformly fixedly connected with a plurality of bristles (506) on one side.

2. The drainage device for rain garden construction according to claim 1, characterized in that: The filter structure (2) comprises a collecting frame (201), a gravel drainage layer (202), a sand filter layer (203), a soil layer (204), a vegetation layer (205) and a connecting pipe (206), the collecting frame (201) is fixed on one side of the top of the land (1), the bottom of the collecting frame (201) is provided with the gravel drainage layer (202), the top end of the gravel drainage layer (202) is provided with the sand filter layer (203), the top end of the sand filter layer (203) is provided with the soil layer (204), the top end of the soil layer (204) is provided with the vegetation layer (205), and one side of the bottom of the collecting frame (201) is fixedly connected with the connecting pipe (206).

3. The drainage device for rain garden construction according to claim 2, characterized in that: The top end of the vegetation layer (205) extends to the outside of the land (1), and one end of the connecting pipe (206) away from the collecting frame (201) is in communication with one side of the filter box (3).

4. The drainage device for rain garden construction of claim 1, wherein: The drainage structure (4) comprises a liquid level sensor (401), a fixed frame (402), an activated carbon filter screen (403), a drainage pipe (404), a baffle (405) and a fixing bolt (406), the liquid level sensor (401) is fixed on one side of the top of the filter box (3), one side of the bottom of the filter box (3) is fixedly connected with the drainage pipe (404), the inside of the filter box (3) on one side of the liquid level sensor (401) is uniformly provided with the fixed frame (402), the middle part of the fixed frame (402) is provided with the activated carbon filter screen (403), the top end of the fixed frame (402) extends to the outside of the filter box (3) and is fixedly connected with the baffle (405), and the inside of the baffle (405) is penetrated through the fixing bolt (406) on both sides.

5. The drainage device for rain garden construction of claim 4, wherein: A drainage valve is mounted in the inside of the drainage pipe (404), and a handle is fixedly connected to the top end of the baffle (405).

6. The drainage device for rain garden construction of claim 4, wherein: The baffle (405) and the filter box (3) are fixedly connected through the fixing bolt (406).

7. The drainage device for rain garden construction of claim 4, wherein: The movable plate (502) and the filter box (3) constitute a sliding structure through a sliding groove (503), the bottom end of the blowdown port (504) is communicated with the top end of the sewage pool (6), and one side of the brush (506) is in contact with one side of the activated carbon filter screen (403).

Citation Information

Patent Citations

  • Rainwater collection system for sponge city

    CN209323300U