A retractable rainwater harvesting device for landscape green spaces

Abstract

This utility model relates to the field of urban rainwater management technology, and in particular to a retractable rainwater collection device for landscape green spaces. It includes a water storage tank, with a drain pipe connected and communicating with the side of the tank. A guide plate is fixed to the top of the water storage tank, and a first drainage plate is fixed to the top of the guide plate. The surface of the first drainage plate has several strip-shaped through holes. This device, through a moving mechanism driven by a rodless cylinder, combined with a linkage structure of an inclined block and a guide groove, enables the second drainage plate to achieve lifting and adjustment functions. This allows it to automatically rise to be level with the ground surface according to changes in terrain, effectively avoiding the traffic obstruction caused by traditional fixed drainage outlets and ensuring the normal passage of pedestrians and vehicles.

Description

Technical Field

[0001] This utility model relates to the field of urban rainwater management technology, and in particular to a retractable rainwater collection device for landscape green spaces. Background Technology

[0002] With the acceleration of urbanization, the contradiction between frequent urban flooding and water shortage has become increasingly prominent. In order to address this issue, many cities have begun to adopt the concept of "sponge city," which collects and utilizes rainwater by constructing facilities such as sunken green spaces. These facilities can not only effectively prevent urban flooding but also improve the utilization rate of water resources and beautify the urban environment, becoming an important means to alleviate urban flooding and improve the utilization rate of rainwater resources.

[0003] In rainwater harvesting and utilization systems, rainwater harvesting devices are a key component, and their performance directly affects the system's operational efficiency and effectiveness. However, currently widely used rainwater harvesting devices still have many shortcomings. For example, traditional drainage boards or inlets are mostly fixed structures, making it difficult to adjust their height according to terrain changes or usage needs after installation. This results in a height difference between the top of the device and the ground, creating pits or bumps that affect the safety and convenience of pedestrians and vehicles.

[0004] Therefore, there is an urgent need to provide a retractable rainwater harvesting device for landscape green spaces. By setting up a liftable drainage board structure, the top of the device can be adjusted to be flush with the ground, taking into account both rainwater harvesting efficiency and ease of passage. Utility Model Content

[0005] In order to overcome the shortcomings of existing rainwater harvesting devices, such as fixed installation position of drainage board and inability to adjust height according to terrain changes or usage needs, which affects the passage of pedestrians and vehicles, this utility model provides a retractable landscape green space rainwater harvesting device.

[0006] To address the aforementioned issues, this utility model employs the following technical solution: a retractable landscape green space rainwater collection device, comprising a water storage tank, a drain pipe connected and communicated to the side of the water storage tank, a guide plate fixed to the top of the water storage tank, a first drainage plate fixed to the top of the guide plate, several strip-shaped through holes on the surface of the first drainage plate, a second drainage plate positioned above the first drainage plate, several circular through holes on the surface of the second drainage plate, forming a rainwater filtration structure together with the first drainage plate, side plates fixed to both sides of the second drainage plate, inclined blocks fixed to both sides of the top of the first drainage plate, guide grooves slidingly engaging with the inclined blocks on both sides of the bottom of the second drainage plate, rodless cylinders installed on both sides of the water storage tank, a moving rod mounted on the slider of the rodless cylinder, symmetrically distributed fixed rods fixed to the upper end of the moving rod, the fixed rods slidably connected to the side plates, a first spring sleeved on the fixed rod, the two ends of the first spring being connected to the side plates and the moving rods respectively.

[0007] Optionally, the surface of the second drainage board is provided with an anti-slip plate.

[0008] Optionally, a filter frame is fixedly provided on the side of the guide plate, a filter is installed inside the filter frame, and a water baffle is provided outside the filter frame, with the water baffle arranged around the gap between the filter frame and the water storage tank.

[0009] Optionally, a rotating shaft is rotatably provided at the lower end of the drain pipe, and a flip plate is provided in the middle of the rotating shaft. The flip plate is located inside the drain pipe, and a second spring is sleeved at both ends of the rotating shaft. The two ends of the second spring are respectively connected to the drain pipe and the rotating shaft.

[0010] Optionally, the bottom end of the drain pipe is connected to and communicates with a four-way pipe.

[0011] Optionally, waterproof shells are fixed to both sides of the water tank, and the waterproof shells are installed outside the rodless cylinder.

[0012] Compared with the prior art, the present invention has the following technical effects: 1. The device is equipped with a moving mechanism driven by a rodless cylinder, combined with the linkage structure of the inclined block and the guide groove, to drive the second drainage plate to realize the lifting and adjustment function, so that it can automatically rise to the same level as the ground according to the terrain changes, effectively avoiding the passage obstacles caused by traditional fixed drainage outlets, and ensuring the normal passage of pedestrians and vehicles.

[0013] 2. When rainwater enters the water storage tank, it passes through the strip-shaped holes of the first drainage plate, the circular holes of the second drainage plate, and the fine filtration of the filter in sequence, forming a multi-stage filtration system. This system can effectively remove large particles and fine impurities such as mud, sand, and leaf debris, significantly improving the quality of the collected rainwater and facilitating the stable operation of the subsequent reuse system.

[0014] 3. The lower end of the drain pipe is equipped with a flip plate structure, which is automatically opened and closed by a rotating shaft and spring. When the water level in the storage tank reaches the set height, the water will drain automatically, and when the water level drops, the drain pipe will close automatically to prevent backflow and improve the safety of the system operation. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0016] Figure 2 This is a three-dimensional sectional view of the water storage tank, guide plate, rodless cylinder, and other components of this utility model.

[0017] Figure 3 This is an exploded view of the first drainage plate, the second drainage plate, and the fixing rod components of this utility model.

[0018] Figure 4 This is a three-dimensional sectional view of the filter frame, filter, and water-blocking frame of this utility model.

[0019] Figure 5 This is a three-dimensional sectional view of the components of this utility model, such as the rotating shaft, the flip plate, and the four-way pipe.

[0020] The following are the labels in the diagram: 1. Water tank, 2. Drain pipe, 3. Guide plate, 4. First drainage plate, 5. Second drainage plate, 6. Side plate, 7. Inclined block, 8. Rodless cylinder, 9. Moving rod, 10. Fixed rod, 11. First spring, 12. Anti-slip plate, 13. Filter frame, 14. Filter, 15. Water baffle frame, 16. Rotating shaft, 17. Flip plate, 18. Second spring, 19. Four-way pipe, 20. Waterproof shell. Detailed Implementation

[0021] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments, but this does not limit the scope of protection and application of the present invention.

[0022] Example 1: Please refer to Figures 1-3A retractable rainwater harvesting device for landscape green spaces includes a water storage tank 1. A drain pipe 2 is connected to and communicates with the left side of the water storage tank 1 for discharging or transporting the collected rainwater to other water storage systems. A guide plate 3 is fixedly attached to the top of the water storage tank 1 to guide the incoming rainwater into the tank, preventing rainwater accumulation or overflow inside the device. A first drainage plate 4 is fixedly attached to the top of the guide plate 3. The surface of the first drainage plate 4 has several strip-shaped through holes. A second drainage plate 5 is positioned above the first drainage plate 4, with several circular through holes on its surface. Together with the first drainage plate 4, the second drainage plate 5 forms a rainwater filtration structure to effectively intercept larger particles and prevent blockage inside the water storage tank 1. An anti-slip plate 12 is provided on the surface of the second drainage plate 5 to improve the anti-slip performance for pedestrians and vehicles, ensuring traffic safety. The second drainage plate 5 is fixed on both its front and rear sides. The water tank 1 is equipped with a side plate 6. The first drainage plate 4 has inclined blocks 7 fixedly connected to its top front and rear sides. The second drainage plate 5 has guide grooves on its bottom front and rear sides that slide with the inclined blocks 7, allowing the second drainage plate 5 to rise or fall vertically under the guidance of the inclined blocks 7. The water tank 1 has rodless cylinders 8 installed on its front and rear sides. A vertically arranged moving rod 9 is mounted on the slider of the rodless cylinder 8. A symmetrically distributed fixed rod 10 is fixedly connected to the upper end of the moving rod 9. The fixed rod 10 is slidably connected to the side plate 6. A first spring 11 is sleeved on the fixed rod 10. The upper and lower ends of the first spring 11 are connected to the side plate 6 and the moving rod 9, respectively. Waterproof shells 20 are fixedly connected to the front and rear sides of the water tank 1. The waterproof shells 20 cover the rodless cylinder 8 and provide waterproof and dustproof protection for the rodless cylinder 8 and its driving components.

[0023] During installation, the water storage tank 1 is buried underground, and the drain pipe 2 is effectively connected to the urban drainage system or other water storage device. Then, the rodless cylinder 8 is activated, driving the slider to move the moving rod 9 horizontally. The moving rod 9, through the fixed rod 10, drives the second drainage plate 5 to move horizontally synchronously. At this time, the guide groove at the bottom of the second drainage plate 5 contacts the inclined block 7 at the top of the first drainage plate 4 and slides on the inclined surface of the inclined block 7, thus receiving an upward guiding force, causing the second drainage plate 5 to rise along the inclined block 7. During this process, the first spring 11 is compressed. By storing elastic potential energy to provide power for subsequent resetting, the second drainage board 5 automatically rises to the same height as the ground according to changes in terrain, thereby avoiding traffic obstruction caused by inconsistent installation height and ensuring normal passage for pedestrians and vehicles. When it rains, rainwater enters through the circular through-holes on the second drainage board 5 and continues to pass through the strip through-holes on the first drainage board 4. It is then guided into the water storage tank 1 by the guide plate 3 for centralized storage. The collected rainwater can be used for non-potable purposes such as greening irrigation, landscape water replenishment, and road cleaning, achieving efficient utilization of rainwater resources.

[0024] Example 2: Based on Example 1, please refer to... Figure 4 A filter frame 13 is fixedly installed on the right side of the guide plate 3. A filter 14 is installed inside the filter frame 13 to further filter the rainwater entering the water storage tank 1. A water-blocking frame 15 is provided outside the filter frame 13. The water-blocking frame 15 is arranged around the gap between the filter frame 13 and the water storage tank 1 to prevent rainwater from flowing around the gap between the filter frame 13 and the water storage tank 1, ensuring that all rainwater enters the water storage tank 1 after passing through the filter 14.

[0025] During rainfall, rainwater first enters the device through the through holes of the first drainage plate 4 and the second drainage plate 5, and then flows downward along the guide plate 3. Under the guidance of the guide plate 3, the rainwater flows into the filter frame 13 and is finely filtered through the internal filter 14 to remove residual fine impurities in the water, such as mud, sand, and leaf debris. The filtered rainwater then flows into the water storage tank 1 for storage, which is convenient for subsequent use.

[0026] Please see Figure 5 The lower end of the drain pipe 2 is rotatably connected to a rotating shaft 16. A flip plate 17 is provided in the middle of the rotating shaft 16. The flip plate 17 is located inside the drain pipe 2 and is used to control the opening and closing of the drain pipe 2. A second spring 18 is sleeved on both the left and right ends of the rotating shaft 16. The two ends of the second spring 18 are respectively connected to the drain pipe 2 and the rotating shaft 16 to provide a restoring force for the flip plate 17. The bottom end of the drain pipe 2 is connected to and communicates with a four-way pipe 19. The four-way pipe 19 is used to connect the outlet of the drain pipe 2 to multiple drainage branches to realize the functions of rainwater diversion, overflow or discharge.

[0027] During the operation of the device, when the water level in the water storage tank 1 rises to the set height, the water flows into the drain pipe 2 and pushes the flip plate 17 to rotate, opening the drainage channel and realizing automatic drainage. At this time, the second spring 18 deforms. When the water level drops, the second spring 18 drives the flip plate 17 to reset, so that the flip plate 17 re-seals the drain pipe 2 opening, thereby realizing the automatic opening and closing function of the drain pipe 2. In addition, a four-way pipe 19 is set at the bottom of the drain pipe 2, which can guide the water flow in multiple directions, such as the main drainage pipe, overflow well or maintenance port, so as to facilitate the flexible operation of the system under different working conditions.

[0028] Although the present invention has been described with reference to exemplary embodiments, it should be understood that the present invention is not limited to the disclosed exemplary embodiments. The scope of the following claims should be given the broadest interpretation in order to cover all variations and equivalent structures and functions.

Claims

1. A retractable rainwater harvesting device for landscape green spaces, comprising a water storage tank (1), a drain pipe (2) connected and communicated to the side of the water storage tank (1), a guide plate (3) fixedly connected to the top of the water storage tank (1), a first drainage plate (4) fixedly connected to the top of the guide plate (3), the first drainage plate (4) having several strip-shaped through holes on its surface, a second drainage plate (5) disposed above the first drainage plate (4), the second drainage plate (5) having several circular through holes on its surface, together with the first drainage plate (4) forming a rainwater filtration structure, characterized in that, The second drainage plate (5) is fixedly connected to both sides of the side plate (6), the first drainage plate (4) is fixedly connected to both sides of the top of the first drainage plate (4), the second drainage plate (5) is provided with guide grooves on both sides of the bottom of the second drainage plate (5) that slide with the inclined block (7), the water storage tank (1) is installed with rodless cylinders (8) on both sides, the slider of the rodless cylinder (8) is provided with a moving rod (9), the upper end of the moving rod (9) is fixedly connected with symmetrically distributed fixed rods (10), the fixed rod (10) is slidably connected to the side plate (6), the fixed rod (10) is sleeved with a first spring (11), the two ends of the first spring (11) are respectively connected to the side plate (6) and the moving rod (9).

2. A telescopic landscape greenery rainwater collecting device according to claim 1, characterized in that, The surface of the second drainage board (5) is provided with an anti-slip plate (12).

3. A retractable rainwater harvesting device for landscape green spaces according to claim 2, characterized in that, A filter frame (13) is fixedly installed on the side of the guide plate (3). A filter (14) is installed inside the filter frame (13). A water baffle (15) is installed outside the filter frame (13). The water baffle (15) is arranged around the gap between the filter frame (13) and the water storage tank (1).

4. A retractable rainwater harvesting device for landscape green spaces according to claim 3, characterized in that, The lower end of the drain pipe (2) is rotatably connected to a rotating shaft (16). A flip plate (17) is provided in the middle of the rotating shaft (16). The flip plate (17) is located inside the drain pipe (2). A second spring (18) is sleeved on both ends of the rotating shaft (16). The two ends of the second spring (18) are respectively connected to the drain pipe (2) and the rotating shaft (16).

5. A retractable rainwater harvesting device for landscape green spaces according to claim 4, characterized in that, The bottom end of the drain pipe (2) is connected to and connected to a four-way pipe (19).

6. A retractable rainwater harvesting device for landscape green spaces according to claim 5, characterized in that, Waterproof shells (20) are fixed to both sides of the water storage tank (1), and the waterproof shells (20) cover the outside of the rodless cylinder (8).

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