High flower bed of ecological drainage
By designing an ecologically drained elevated flower bed, and employing a detachable support layer and overflow system, the problems of easy clogging and difficult maintenance of elevated flower beds are solved, achieving efficient drainage and simplified maintenance, while protecting plant roots.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHINA CONSTR THIRD ENG CO LTD
- Filing Date
- 2025-06-17
- Publication Date
- 2026-06-26
AI Technical Summary
Existing elevated flower beds are easily clogged by mud, sand, and fallen leaves. The overflow pipes lack protective structures, resulting in reduced drainage efficiency. Traditional support layers are non-removable and difficult to maintain.
Design an ecological drainage elevated flower bed with a detachable support layer module and overflow system, including an overflow pipe, a grating cover, a drain pipe and a drawer assembly. The grating cover intercepts debris, the drain pipe has through holes in its side wall for rainwater to permeate, and the drawer assembly facilitates maintenance and replacement of filter materials.
It effectively prevents debris from clogging, improves drainage efficiency, reduces the risk of silt blockage, simplifies the maintenance process, protects plant roots, and improves maintenance efficiency and accuracy.
Smart Images
Figure CN224402308U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of elevated flower bed technology, specifically to an ecologically drained elevated flower bed. Background Technology
[0002] Elevated flower beds are suitable for collecting rainwater runoff from roofs. However, existing elevated flower beds have the following drawbacks in rainwater purification:
[0003] Perforated drainage pipes are easily clogged by silt and fallen leaves, causing their infiltration function to fail. Overflow pipes lack protective structures, allowing debris to enter and reducing drainage efficiency. Cleaning requires removing planting soil, which is time-consuming and damages plant roots; traditional support layers are not removable, making it impossible to replace filter materials specifically.
[0004] In summary, existing elevated flower beds suffer from technical problems such as frequent blockages and difficulty in maintenance. Utility Model Content
[0005] The purpose of this application is to overcome the above-mentioned technical deficiencies and propose an ecological drainage elevated flower bed to solve the technical problems of frequent clogging and difficulty in maintenance in the existing technology.
[0006] To achieve the above-mentioned technical objectives, this application adopts the following technical solution:
[0007] This application provides an ecological drainage elevated flower bed, including a flower bed body, a filling system and an overflow system.
[0008] The main body of the flower bed has a trough with an opening at the top;
[0009] A filling system includes a planting soil layer and a support layer module. The planting soil layer is filled in the trench, and the support layer module is located below the planting soil layer and is detachably connected to the trench to support the planting soil layer and allow rainwater to pass through.
[0010] The overflow system includes an overflow pipe, a grid cover, and a drain pipe. The upper opening of the overflow pipe protrudes from the upper surface of the planting soil layer and the lower end extends through the trough to the outside of the flower bed body. The grid cover at least partially covers the upper opening of the overflow pipe. The drain pipe extends through the support layer module to the outside of the flower bed body, and the side wall of the drain pipe has multiple through holes.
[0011] In some embodiments of this application, the support layer module includes a plurality of drawer assemblies arranged vertically in sequence, each of the drawer assemblies being slidably connected to the groove.
[0012] In some embodiments of this application, the drawer assembly is filled with gravel or zeolite.
[0013] In some embodiments of this application, the overflow system further includes a buoyancy plate and a connecting rod. The two ends of the connecting rod are respectively connected to the buoyancy plate and the grid cover. The grid cover is rotatably connected to the overflow pipe. The density of the buoyancy plate is greater than the density of air and less than the density of water. The buoyancy plate drives the grid cover to open and close as the water level rises and falls.
[0014] In some embodiments of this application, the overflow system further includes a spiral water guide, one end of which is inserted into the planting soil layer and the other end is embedded in the through hole of the drainage pipe.
[0015] In some embodiments of this application, the diameter of the spiral water guide gradually decreases from top to bottom.
[0016] In some embodiments of this application, the overflow system further includes a geotextile filter layer that covers the periphery of the drainage pipe.
[0017] In some embodiments of this application, the overflow system further includes a guide pipe, the outlet end of which is provided with a curved buffer section, the curved buffer section extending horizontally or obliquely before bending downward; there is a gap between the water drop point at the outlet of the guide pipe and the top opening of the overflow pipe.
[0018] In some embodiments of this application, the overflow system further includes a buffer element disposed below the flow guide pipe. The buffer element is groove-shaped and has multiple arrayed buffer holes at its bottom.
[0019] In some embodiments of this application, the overflow system further includes a filter basket rotatably connected to the tank body for covering or opening the inlet of the guide pipe.
[0020] Compared with the prior art, the beneficial technical effects of the technical solution provided in this application include:
[0021] This application utilizes a grating cover at the top opening of the overflow pipe to effectively intercept larger debris such as fallen leaves and branches, preventing them from directly entering the overflow pipe and thus avoiding reduced drainage efficiency due to debris blockage. The drainage pipe runs through the support layer module, with multiple through-holes in its sidewalls allowing rainwater to slowly infiltrate into the pipe. This reduces the risk of direct blockage by sediment and achieves slow-release infiltration and collection of rainwater. The removable support layer module design allows for easy disassembly when cleaning, maintaining, or replacing the filter material within the module, eliminating the need for large-scale removal of planting soil and avoiding damage to plant roots and the time-consuming and labor-intensive process. Attached Figure Description
[0022] To more clearly illustrate the technical solutions in this application, the accompanying drawings used in the embodiments will be briefly described below:
[0023] Figure 1 This is a top view of an ecological drainage elevated flower bed according to an embodiment of this application;
[0024] Figure 2 This is a side view of an ecological drainage elevated flower bed according to an embodiment of this application;
[0025] Figure 3 This is a front view of an ecological drainage elevated flower bed in an embodiment of this application.
[0026] Figure label:
[0027] Flower bed main body 1, filling system 2, overflow system 3;
[0028] Planting soil layer 21, supporting layer module 22;
[0029] Overflow pipe 31, grid cover plate 32, drainage pipe 33, spiral water guide 34, geotextile filter layer 35, diversion pipe 36, buffer component 37, filter basket 38. Detailed Implementation
[0030] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.
[0031] Those skilled in the art will understand that, in this specification, the term "comprising" is an open-ended expression, meaning that the stated feature is present but other features are excluded. Directional terms such as "upper," "lower," "left," and "right" refer to exemplary directions based on the accompanying drawings. Features specified as "first" or "second" implicitly include one or more of that feature. Singular expressions can also be used in plural forms. "Multiple" means two or more. The terms "installed," "connected," and "linked" can refer to a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection via an intermediate medium, and it can be a connection within two components. Furthermore, "linked" can include wireless connections.
[0032] The purpose of this application is to overcome the above-mentioned technical deficiencies and propose an ecological drainage elevated flower bed to solve the technical problems of frequent clogging and difficulty in maintenance in the existing technology.
[0033] To achieve the above-mentioned technical objectives, this application adopts the following technical solution:
[0034] like Figures 1-3As shown. This application provides an ecologically drained elevated flower bed, including a flower bed body 1, a filling system 2, and an overflow system 3.
[0035] The main body 1 of the flower bed has a trough with an opening at the top; the filling system 2 includes a planting soil layer 21 and a support layer module 22. The planting soil layer 21 fills the trough, and the support layer module 22 is located below the planting soil layer 21 and is detachably connected to the trough, serving to support the planting soil layer and allow rainwater to pass through; this ecological drainage elevated flower bed utilizes the planting soil layer 21 to absorb and initially filter rainwater. Excess water permeates to the support layer module 22 below, and slowly enters the pipeline through the side holes of the drainage pipe 33, achieving slow release collection and discharge.
[0036] The overflow system 3 includes an overflow pipe 31, a grid cover 32, and a drain pipe 33. The upper opening of the overflow pipe 31 protrudes from the upper surface of the planting soil layer 21, and the lower end extends through the trough to the outside of the flower bed body 1. The grid cover 32 at least partially covers the upper opening of the overflow pipe 31. The drain pipe 33 extends through the support layer module 22 to the outside of the flower bed body 1, and the side wall of the drain pipe 33 has multiple through holes. When the rainfall is excessive, excess water is discharged through the overflow pipe 31 at the top. The grid cover 32 can effectively intercept large debris such as fallen leaves, preventing the overflow pipe 31 from becoming clogged.
[0037] This application utilizes a grid cover 32 installed at the upper opening of the overflow pipe 31 to effectively intercept larger debris such as fallen leaves and branches, preventing them from directly entering the overflow pipe 31 and thus avoiding the problem of reduced drainage efficiency caused by debris blockage. The drain pipe 33 passes through the support layer module 22, and multiple through holes on its sidewall allow rainwater to slowly infiltrate into the drain pipe 33. This reduces the risk of direct blockage of the pipe by sediment and simultaneously achieves slow-release infiltration and collection of rainwater. The design of the detachable support layer module 22 allows for easy disassembly when the filter material inside the support layer module 22 needs cleaning, maintenance, or replacement, without the need for large-scale removal of planting soil, thus avoiding the drawbacks of damaging plant roots and being time-consuming and labor-intensive.
[0038] In some embodiments of this application, the support layer module 22 includes a plurality of drawer assemblies arranged vertically in sequence, each of the drawer assemblies being slidably connected to the slot.
[0039] In this embodiment, multiple drawer assemblies arranged vertically to the ground can slide horizontally along the internal structure of the flower bed trough. When maintenance is required, the operator can directly pull out a specific drawer assembly from the trough to clean, inspect, or replace the filter material. After processing, the drawer assembly is pushed back into its original position.
[0040] The modular drawer design allows for targeted maintenance of specific layers, avoiding large-scale earthmoving and significantly improving the precision and efficiency of maintenance. The drawer-style sliding connection structure makes component removal and replacement extremely easy and effortless, requiring no complex tools or disassembly steps, significantly reducing the labor intensity of maintenance work. Because operation can be precise down to the individual drawer, disturbance to other parts of the flower bed and plant roots is minimized, effectively protecting the plant's growing environment.
[0041] In some embodiments of this application, the drawer assembly is filled with gravel or zeolite.
[0042] In this embodiment, gravel or zeolite particles constitute the main filtration medium of the support layer. As rainwater runoff from above the flower bed passes through the planting soil layer 21, it continues to permeate downwards through these filled granular layers. During this process, the gravel or zeolite, due to its physical structure and surface properties, can further filter and adsorb suspended solids, impurities, and some dissolved pollutants in the water.
[0043] Gravel possesses excellent physical filtration properties, effectively intercepting fine particulate matter; zeolite, due to its unique porous structure and surface activity, not only has excellent physical filtration capabilities but can also adsorb specific pollutants in water, such as ammonia nitrogen. Both significantly enhance the purification effect of rainwater runoff. Gravel and zeolite both have good permeability; when filled into the drawer assembly, they form a continuous, well-permeable drainage channel, ensuring smooth rainwater infiltration and effectively preventing clogging and water accumulation in the support layer. Combined with the removable design of the drawer assembly, when the filled gravel or zeolite needs replacement due to clogging, saturation, or aging, simply pull out the corresponding drawer assembly for replacement. This simple operation is cost-effective and facilitates maintenance and material replacement.
[0044] In some embodiments of this application, the overflow system 3 further includes a buoyancy plate and a connecting rod. The two ends of the connecting rod are respectively connected to the buoyancy plate and the grid cover plate 32. The grid cover plate 32 is rotatably connected to the overflow pipe 31. The density of the buoyancy plate is greater than the density of air and less than the density of water. The buoyancy plate drives the grid cover plate 32 to open and close as the water level rises and falls.
[0045] In this embodiment, the grid cover 32 of the overflow system 3 automatically opens and closes via a buoyancy plate and a connecting rod. When the water level in the elevated flower bed is low, the buoyancy plate is positioned low, and the grid cover 32 is rotated to a closed or semi-closed state via the connecting rod, covering the overflow pipe 31 opening. At this time, rainwater needs to undergo preliminary filtration through the grid cover 32 to intercept larger debris before slowly flowing into the overflow pipe 31 through gaps or edges, achieving a continuous, gentle flow of water. When rainfall increases and the water level rises, the buoyancy plate rises accordingly, pulling the grid cover 32 via the connecting rod to rotate and open, exposing the overflow pipe 31 opening. In this way, a large amount of rainwater can be directly and quickly discharged through the overflow pipe 31, significantly accelerating the drainage speed and preventing excessive water accumulation in the flower bed.
[0046] This design enables tiered drainage based on water level changes. During light rainfall, the system operates in a closed or semi-closed state, working in conjunction with the grating filter to achieve slow and clean drainage. During heavy rainfall, it automatically opens for rapid flood discharge. This intelligent adjustment optimizes drainage efficiency, ensuring effective collection and filtration of rainwater in daily life while also handling heavy rain conditions. At low water levels, the grating cover 32 primarily functions as a filter, effectively intercepting fallen leaves, silt, and other debris, reducing the amount of solid particles entering the overflow pipe 31 at the source and significantly lowering the risk of subsequent pipe blockage. The system automatically responds to water level changes without manual intervention, adapting to rainfall of varying intensities and improving the ability and stability of elevated flower beds to cope with changing weather conditions.
[0047] In some embodiments of this application, the overflow system 3 further includes a spiral water guide 34, one end of which is inserted into the planting soil layer 21 and the other end is embedded in the through hole of the drainage pipe 33.
[0048] In this embodiment, when rainwater permeates through the planting soil layer 21, some of the water flow will come into contact with the exposed portion of the spiral water guide 34. The spiral structure can change the direction and path of the water flow, guiding the water flow downwards along the spiral water guide 34, and finally being guided into the through holes in the side wall of the drain pipe 33. In this way, rainwater can not only directly permeate into the supporting layer around the drain pipe 33 by gravity, but can also be actively guided into the interior of the drain pipe 33 by the spiral water guide 34.
[0049] The spiral structure effectively guides the infiltration water flow in the planting soil layer 21, directing it more directly and quickly into the drainage pipe 33, shortening the water flow path and improving the efficiency of rainwater collection and drainage. Guided by the spiral water guide 34, rainwater from deeper or wider areas of the planting soil layer 21 can be collected, contributing to more uniform drainage and preventing localized waterlogging. In cases where the infiltration path may be obstructed (e.g., localized blockage), the spiral water guide 34 provides an additional, active flow channel, ensuring rainwater can reliably enter the drainage system, enhancing the stability and effectiveness of the entire elevated flower bed rainwater treatment system.
[0050] In some embodiments of this application, the diameter of the spiral water guide 34 gradually decreases from top to bottom.
[0051] In this embodiment, the diameter of the spiral water guide 34 is designed to gradually decrease from one end penetrating the planting soil layer 21 to the end embedded in the through hole of the drainage pipe 33. As rainwater is guided downward by the spiral structure, the cross-section of the channel through which the water flows gradually narrows as the diameter of the water guide decreases. This causes the water flow velocity to increase accordingly, creating a certain negative pressure or a stronger impact force.
[0052] The reduced diameter accelerates the water flow, enhancing the water-drawing capacity of the spiral water guide 34 to absorb moisture from the surrounding soil. It more effectively draws infiltrated water from the soil into the water guide and directs it into the drainage pipe 33. The faster flow rate helps to remove water from deeper soil layers more quickly, reducing the possibility of deep water accumulation and promoting plant root respiration. The faster flow rate and potential negative pressure effect can, to some extent, flush away small particles of impurities around the water guide or near the through-holes, reducing the risk of blockage and keeping the flow channel unobstructed.
[0053] In some embodiments of this application, the overflow system 3 further includes a geotextile filter layer 35, which covers the periphery of the drainage pipe 33.
[0054] In this embodiment, when rainwater enters the area surrounding the drainage pipe 33 through the planting soil layer 21 and the spiral water guide 34, it must be filtered through this geotextile layer. The geotextile has the characteristics of being permeable to water but filtering impurities, allowing water molecules to pass through while intercepting impurities such as soil particles, fine roots, and suspended silt.
[0055] Geotextile effectively prevents fine soil particles from entering the pores around the drainage pipe 33 or the through-holes on the side wall of the drainage pipe 33, preventing these particles from entering with the water flow and gradually accumulating and clogging the drainage channel, thus ensuring the long-term smooth operation of the drainage system. Preventing direct contact between the soil and the drainage pipe 33 reduces the risk of the pipe wall being scratched by sharp particles in the soil or invaded by roots, extending the service life of the drainage pipe 33.
[0056] In some embodiments of this application, the overflow system 3 further includes a guide pipe 36, the outlet end of which is provided with a curved buffer section, the curved buffer section first extending horizontally or obliquely and then bending downward; there is a gap between the water drop point at the outlet of the guide pipe 36 and the top opening of the overflow pipe 31.
[0057] The water discharged from the guide pipe 36 will therefore flow in a horizontal or diagonal path for a while, and when it finally bends downward, its drop point is set above the top opening of the overflow pipe 31, with a certain gap between the two.
[0058] The horizontal or oblique extensions increase the path length of the water flow, while the curved design alters the angle and speed of the water's descent, effectively buffering the impact and allowing it to fall more gently. Because there is a gap between the water droplet and the overflow pipe 31, the water will not directly enter the overflow pipe 31, preventing debris such as mud and fallen leaves that might be carried by the high-speed water flow from directly entering the pipe and causing blockage. The water will first fall into the area below the gap (such as the grating cover 32 or its vicinity), further dispersing and slowing it down. The buffering design significantly reduces splashing and noise during water descent, making the overflow process quieter and cleaner, and improving the quality of the environment around the flower bed.
[0059] In some embodiments of this application, the overflow system 3 further includes a buffer 37, which is disposed below the guide pipe 36. The buffer 37 is groove-shaped and has multiple arrayed buffer holes at its bottom.
[0060] In this embodiment, when the water flow discharged from the guide pipe 36 falls into the groove-shaped buffer 37, the water flow first impacts the groove wall and bottom of the buffer 37, and the kinetic energy is initially consumed and dispersed. Subsequently, the water flow slowly and evenly permeates downward or is discharged through multiple buffer holes opened at the bottom.
[0061] The buffer 37 further buffers the water flowing from the guide pipe 36, significantly reducing the impact velocity and energy of the water flow, making it gentler. Through multiple buffer holes, the water flow is evenly dispersed, avoiding localized erosion or blockages that might occur from concentrated water discharge. The presence of the buffer 37 ensures that even if the water discharged from the guide pipe 36 contains small amounts of fine impurities, these impurities are more easily deposited or retained within the buffer 37, while clean water flows through the buffer holes into the next stage of the drainage system (such as the overflow pipe 31 or the drain pipe 33), further reducing the risk of blockage in the downstream drain pipe 33. The buffer 37 effectively protects the underlying soil or grating cover 32 from the direct impact of the water flow, reducing erosion and damage.
[0062] In some embodiments of this application, the overflow system 3 further includes a filter basket 38, which is rotatably connected to the tank and is used to cover or open the opening of the guide pipe 36.
[0063] In this embodiment, when it is necessary to prevent debris from entering the guide pipe 36, the filter basket 38 rotates to cover the opening of the guide pipe 36, using its basket-like structure to intercept larger debris such as fallen leaves and branches. When the guide pipe 36 needs to drain normally, the filter basket 38 can be rotated open to expose the opening of the guide pipe 36.
[0064] The filter basket 38 effectively intercepts large debris, such as leaves and plastic bags, falling into the drain pipe 36, preventing these items from entering and clogging the pipe. The filter basket 38 is designed to rotate and open, facilitating regular inspection and cleaning of the intercepted debris, making maintenance simple and convenient. The opening and closing of the drain pipe 36 can be flexibly controlled as needed, for example, closing it during non-rainy periods or when manual drainage is required, increasing the system's operability. By preventing the entry of large debris, the drain pipe 36 and its downstream drainage system are protected, reducing the risk of clogging and extending the service life of the entire elevated flower bed drainage system.
[0065] Compared with the prior art, the beneficial technical effects of the technical solution provided in this application include:
[0066] This application utilizes a grid cover 32 installed at the upper opening of the overflow pipe 31 to effectively intercept larger debris such as fallen leaves and branches, preventing them from directly entering the overflow pipe 31 and thus avoiding the problem of reduced drainage efficiency caused by debris blockage. The drain pipe 33 passes through the support layer module 22, and multiple through holes on its sidewall allow rainwater to slowly infiltrate into the drain pipe 33. This reduces the risk of direct blockage of the pipe by sediment and simultaneously achieves slow-release infiltration and collection of rainwater. The design of the detachable support layer module 22 allows for easy disassembly when the filter material inside the support layer module 22 needs cleaning, maintenance, or replacement, without the need for large-scale removal of planting soil, thus avoiding the drawbacks of damaging plant roots and being time-consuming and labor-intensive.
[0067] Those skilled in the art will understand that the steps, measures, and schemes in the various operations, methods, processes, and procedures discussed in this application can be alternated, modified, rearranged, decomposed, combined, or deleted.
[0068] The specific embodiments described above do not constitute a limitation on the scope of protection of this application. Any other corresponding changes and modifications made based on the technical concept of this application should be included within the scope of protection of the claims of this application.
Claims
1. A raised flower bed with ecological drainage, characterized in that, include: The main body of the flower bed has a trough with an opening at the top; A filling system includes a planting soil layer and a support layer module. The planting soil layer is filled in the trench, and the support layer module is located below the planting soil layer and is detachably connected to the trench to support the planting soil layer and allow rainwater to pass through. The overflow system includes an overflow pipe, a grid cover, and a drain pipe. The upper opening of the overflow pipe protrudes from the upper surface of the planting soil layer and the lower end extends through the trough to the outside of the flower bed body. The grid cover at least partially covers the upper opening of the overflow pipe. The drain pipe extends through the support layer module to the outside of the flower bed body, and the side wall of the drain pipe has multiple through holes.
2. The elevated flower bed with ecological drainage according to claim 1, characterized in that, The support layer module includes a plurality of drawer assemblies arranged vertically in sequence, each of the drawer assemblies being slidably connected to the groove.
3. The elevated flower bed with ecological drainage according to claim 2, characterized in that, The drawer assembly is filled with gravel or zeolite.
4. The elevated flower bed with ecological drainage according to claim 1, characterized in that, The overflow system also includes a buoyancy plate and a connecting rod. The two ends of the connecting rod are respectively connected to the buoyancy plate and the grid cover. The grid cover is rotatably connected to the overflow pipe. The density of the buoyancy plate is greater than the density of air and less than the density of water. The buoyancy plate drives the grid cover to open and close as the water level rises and falls.
5. The elevated flower bed with ecological drainage according to claim 1, characterized in that, The overflow system also includes a spiral water guide, one end of which is inserted into the planting soil layer and the other end is embedded in the through hole of the drainage pipe.
6. The elevated flower bed with ecological drainage according to claim 5, characterized in that, The diameter of the spiral water guide gradually decreases from top to bottom.
7. The elevated flower bed with ecological drainage according to claim 1, characterized in that, The overflow system also includes a geotextile filter layer, which covers the periphery of the drainage pipe.
8. The elevated flower bed with ecological drainage according to claim 1, characterized in that, The overflow system also includes a guide pipe, the outlet end of which is provided with a curved buffer section, the curved buffer section first extending horizontally or obliquely and then bending downward; there is a gap between the water drop point at the outlet of the guide pipe and the top opening of the overflow pipe.
9. The elevated flower bed with ecological drainage according to claim 8, characterized in that, The overflow system also includes a buffer component, which is located below the flow guide pipe. The buffer component is groove-shaped and has multiple arrayed buffer holes at its bottom.
10. The elevated flower bed with ecological drainage according to claim 8, characterized in that, The overflow system also includes a filter basket, which is rotatably connected to the tank and is used to cover or open the opening of the guide pipe.