Rainwater collecting device

Abstract

The utility model relates to the technical field of rainwater collection in landscape gardens, in particular to a rainwater collection device. Three collecting structures are arranged on the outer side of the collecting barrel, a drainage structure is arranged on one side of the collecting barrel, four supporting blocks are fixed to the upper end of the inner side of the collecting barrel, a sieve tray is placed at the tops of the four supporting blocks and connected with the collecting barrel in a sliding mode, and a stirring structure is arranged on the inner side of the collecting barrel. According to the rainwater collecting device provided by the utility model, through the design of an efficient collecting structure, the device can be ensured to quickly collect a large amount of rainwater during rainfall, so that the natural resource is utilized to the maximum extent, and the problem of water resource shortage of landscape gardens is solved; and through the design of the stirring structure, the device has very strong adsorption capacity, the rainwater quality is improved, which is very important for the purposes of using rainwater for irrigation, landscape water and the like, and cleanness and safety of water resources can be ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of rainwater collection, in particular to a rainwater collection device. Background Art

[0002] With the acceleration of urbanization, the problem of water shortage is becoming increasingly serious. Traditional landscape irrigation methods, such as using tap water or extracting groundwater for irrigation, not only consume a lot of water resources, but may also cause environmental problems such as groundwater level drop and water quality deterioration. Therefore, using rainwater resources for landscape irrigation has become a new solution.

[0003] Landscape rainwater collection devices achieve effective utilization of rainwater resources by collecting and storing rainwater. This device generally includes multiple parts such as rainwater collection system, filtration system, storage system and irrigation system. The rainwater collection system is responsible for collecting rainwater from roofs, ground, etc., removing impurities and pollutants in the rainwater through the filtration system, and then storing the purified rainwater in the storage system. When irrigation is needed, the stored rainwater is transported to the roots of plants through the irrigation system to achieve scientific and efficient landscape greening irrigation.

[0004] The application of landscape rainwater collection device not only solves the water problem of landscape greening irrigation, but also promotes water conservation and environmental protection. At the same time, this device also has the advantages of low investment, low operating cost and simple operation. It is an economical and practical way of landscape greening irrigation.

[0005] For example, a Chinese utility model patent (CN220352944U) discloses a garden rainwater collection device. Most of the existing rainwater collection tanks or rainwater collection pools will accumulate a certain amount of silt and other garbage on the filter plates at the water outlets of the collection tanks or collection pools over time, which will have a certain impact on the water output of the water outlets; it is difficult for the staff to extract rainwater in the best way, which leads to the staff often needing to take out the filter plate at the bottom of the device, and then clean it and put it back in for installation, which makes the cleaning work of the staff cumbersome and difficult to improve work efficiency, thereby making it difficult to better facilitate the use of the users.

[0006] The device comprises: a main body mechanism, a cleaning mechanism is arranged inside the main body mechanism, a dredging mechanism is arranged at the bottom end of the cleaning mechanism, the cleaning mechanism comprises a C-type trigger rod, and a rolling member is arranged on one side of the bottom end of the C-type trigger rod; the utility model can better facilitate the user to clean the water outlet of the filter storage tank through the installed cleaning mechanism, and the operation is all performed on the ground, thereby avoiding the cumbersome steps that the staff needs to move to the water outlet for cleaning in the past, thereby better facilitating the staff to conveniently perform the cleaning work, thereby improving the cleaning efficiency of the staff, and the installed dredging mechanism can better facilitate the user to clean the silt in the filter plate slot hole, thereby better facilitating the use of the user, while achieving the purpose of comprehensive utilization of rainwater resources and water conservation, and improving the water storage level of landscape gardens.

[0007] When using the above technology, it was found that the following technical problems exist in the prior art: unfiltered rainwater contains a large amount of impurities, and the device lacks a suitable filtering structure. These impurities will gradually accumulate during the collection process, causing blockage of collection pipes, water storage facilities or water pumps and other components, affecting the normal collection and utilization of rainwater. For this reason, we designed a rainwater collection device to provide another technical solution to the above technical problems. Utility Model Content

[0008] Based on this, it is necessary to provide a rainwater collection device to solve the problems raised in the above background technology.

[0009] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0010] A rainwater collection device comprises a collection barrel, three collection structures are arranged on the outside of the collection barrel, a drainage structure is arranged on one side of the collection barrel, four support blocks are fixed to the upper end of the inside of the collection barrel, a sieve plate is placed on the top of the four support blocks, the sieve plate and the collection barrel are slidably connected, a stirring structure is arranged on the inside of the collection barrel, a plurality of filtering carbon bags are fixed on the outside of the stirring structure, and a connecting plate is fixed on the inside of the collection barrel.

[0011] As a preferred embodiment of the rainwater collection device provided by the utility model, the collection structure includes a first connecting block, a fixed plate, a handle, a worm, a worm wheel, a rotating rod and a first connecting rod, three first connecting blocks are fixed to the outside of the collecting barrel, the inner side of the first connecting block is rotatably connected to the rotating rod, the outside of the rotating rod is fixed to the first connecting rod, the top and bottom of one side of the first connecting block are fixed with fixed plates, the sides of the two fixed plates close to each other are rotatably connected to the worm, the bottom of the worm is fixed with a handle, a worm wheel is fixed to one end of the outer side of the rotating rod, and the worm wheel and the worm are meshingly connected.

[0012] As a preferred embodiment of the rainwater collection device provided by the utility model, the collection structure also includes a second connecting rod, a third connecting rod, a fixed plate and an insertion rod, the third connecting rod is rotatably connected to the inner side of the top of the first connecting rod, the second connecting rod is fixed to the outer side of the third connecting rod, a fixed plate is fixed to one side of the third connecting rod, and the insertion rod is slidably connected to the inner end of the fixed plate that deviates from the center of the circle.

[0013] As a preferred embodiment of the rainwater collection device provided by the utility model, the collection structure also includes a groove, a collection plate, a second connecting block and a spring, a second connecting block is fixed to one end of the insertion rod, a spring is sleeved on the outer side of the insertion rod, one side of the spring is fixed to the fixed plate, the other side of the spring is fixed to the second connecting block, the top of the second connecting rod is fixed with a groove, and one side of the top of the groove is fixed with a collection plate.

[0014] As a preferred embodiment of the rainwater collection device provided by the utility model, the drainage structure includes a third connecting block, a screw, a limit bar, a guide column, a limit wheel, a rotating stick and a water outlet pipe, an outlet pipe is fixed to one end of the inner side of the collecting barrel, a third connecting block is fixed to one side of the collecting barrel, a screw is threadedly connected to one end of the inner side of the third connecting block, the bottom of the screw is rotatably connected to the limit bar, a guide column is fixed to one side of the top of the limit bar, the guide column and the third connecting block are slidably connected, one side of the collecting barrel is rotatably connected to a rotating stick, a limit wheel is fixed to the outer side of the rotating stick, the top of the limit wheel is meshingly connected to the limit bar, and the limit wheel is slidably connected to one side of the water outlet pipe.

[0015] As a preferred embodiment of the rainwater collection device provided by the utility model, the stirring structure includes a motor, a first bevel gear, a second bevel gear, a third bevel gear, a first rotating column and a second rotating column. The motor is fixed to the bottom of the inner side of the collection barrel, and the output end of the motor is fixed to the first bevel gear. The bottom of the inner side of the collection barrel is rotatably connected to the first rotating column, the inner side of the connecting plate is rotatably connected to the second rotating column, the first rotating column and the second rotating column are rotatably connected, the second bevel gear is fixed to the outer side of the second rotating column, the third bevel gear is fixed to the outer side of the first rotating column, and the second bevel gear and the third bevel gear are both meshed and connected with the first bevel gear.

[0016] As a preferred implementation of the rainwater collection device provided by the utility model, a plurality of meshing teeth are provided on the top of the limiting wheel, and the limiting wheel is meshed and connected with the limiting bar through the meshing teeth.

[0017] It can be seen without a doubt that the above-mentioned technical solution of the present application can definitely solve the technical problem to be solved by the present application.

[0018] At the same time, through the above technical solutions, the utility model has at least the following beneficial effects:

[0019] The utility model provides a rainwater collection device, which can ensure rapid and large-scale collection of rainwater during rainfall through the design of an efficient collection structure, thereby maximizing the use of this natural resource and helping to solve the problem of water shortage in landscape gardens, especially in dry seasons or when water resources are scarce.

[0020] The device has a strong adsorption capacity through the design of the stirring structure, which can effectively remove pollutants such as organic matter, heavy metal ions, pigments and odors in rainwater, and improve the quality of rainwater. This is very important for using rainwater for irrigation, landscape water, etc., and can ensure the cleanliness and safety of water resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 This is a schematic diagram of the overall structure of a rainwater collection device of the utility model;

[0023] Figure 2 It is a cross-sectional view of a collection barrel of a rainwater collection device of the utility model;

[0024] Figure 3 This is a schematic diagram of the connection between a collection bucket and a support block of a rainwater collection device of the utility model;

[0025] Figure 4 It is a schematic diagram of a sieve plate of a rainwater collection device of the utility model;

[0026] Figure 5 This is a schematic diagram of the connection between the trough and the collection plate of a rainwater collection device of the utility model;

[0027] Figure 6 This is a schematic diagram of the connection between a worm and a worm wheel of a rainwater collection device of the utility model;

[0028] Figure 7 This is a schematic diagram of the connection between the second connecting rod and the third connecting rod of a rainwater collection device of the utility model;

[0029] Figure 8 This is a schematic diagram of the connection between a limit strip and a limit wheel of a rainwater collection device of the utility model;

[0030] Fig. 9 This is a schematic diagram of the connection between the first bevel gear and the second bevel gear of a rainwater collection device of the utility model.

[0031] In the figure: 1. collecting barrel; 2. first connecting block; 3. fixing plate; 4. handle; 5. worm; 6. worm wheel; 7. rotating rod; 8. first connecting rod; 9. second connecting rod; 10. slot; 11. collecting plate; 12. third connecting rod; 13. fixing plate; 14. inserting rod; 15. second connecting block; 16. spring; 17. sieve plate; 18. supporting block; 19. third connecting block; 20. screw; 21. limiting strip; 22. guide column; 23. limiting wheel; 24. rotating rod; 25. water outlet pipe; 26. connecting plate; 27. motor; 28. first bevel gear; 29. ​​second bevel gear; 30. third bevel gear; 31. first rotating column; 32. second rotating column; 33. filtering carbon bag. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0033] As described in the background technology, unfiltered rainwater contains a large amount of impurities, and the device lacks a suitable filtering structure. These impurities will gradually accumulate during the collection process, causing blockage of collection pipes, water storage facilities or water pumps, affecting the normal collection and utilization of rainwater.

[0034] In order to solve this technical problem, the utility model provides a rainwater collection device.

[0035] Specifically, please refer to Figure 1-Figure 3 A rainwater collection device specifically includes: a collection barrel 1, three collection structures are arranged on the outside of the collection barrel 1, a drainage structure is arranged on one side of the collection barrel 1, four support blocks 18 are fixed to the upper end of the inner side of the collection barrel 1, a sieve plate 17 is placed on the top of the four support blocks 18, the sieve plate 17 and the collection barrel 1 are slidably connected, a stirring structure is arranged on the inner side of the collection barrel 1, a plurality of filtering carbon bags 33 are fixed on the outer side of the stirring structure, and a connecting plate 26 is fixed on the inner side of the collection barrel 1.

[0036] The utility model provides a rainwater collection device, which can ensure rapid and large-scale collection of rainwater during rainfall through the design of an efficient collection structure, thereby maximizing the use of this natural resource and helping to solve the problem of water shortage in landscape gardens, especially in dry seasons or when water resources are scarce.

[0037] The device has a strong adsorption capacity through the design of the stirring structure, which can effectively remove pollutants such as organic matter, heavy metal ions, pigments and odors in rainwater, and improve the quality of rainwater. This is very important for using rainwater for irrigation, landscape water, etc., and can ensure the cleanliness and safety of water resources.

[0038] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0039] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0040] Reference Figure 1-Figure 8 A rainwater collection device includes a collection barrel 1, three collection structures are arranged on the outside of the collection barrel 1, a drainage structure is arranged on one side of the collection barrel 1, four support blocks 18 are fixed to the upper end of the inner side of the collection barrel 1, a sieve plate 17 is placed on the top of the four support blocks 18, the sieve plate 17 and the collection barrel 1 are slidably connected, a stirring structure is arranged on the inner side of the collection barrel 1, a plurality of filtering carbon bags 33 are fixed on the outer side of the stirring structure, and a connecting plate 26 is fixed on the inner side of the collection barrel 1.

[0041] The collecting structure comprises a first connecting block 2, a fixing plate 3, a handle 4, a worm 5, a worm wheel 6, a rotating rod 7, a first connecting rod 8, a second connecting rod 9, a slot 10, a collecting plate 11, a third connecting rod 12, a fixing plate 13, an inserting rod 14, a second connecting block 15 and a spring 16. Three first connecting blocks 2 are fixed to the outside of the collecting barrel 1. The inner side of the first connecting block 2 is rotatably connected to the rotating rod 7. The outer side of the rotating rod 7 is fixed to the first connecting rod 8. The top and bottom of one side of the first connecting block 2 are fixed with fixing plates 3. The side where the two fixing plates 3 are close to each other is rotatably connected to the worm 5. The bottom of the worm 5 is fixed with a handle 4. A worm wheel 6 is fixed to one end of the outer side of the rotating rod 7. The worm wheel 6 and the worm 5 are meshingly connected, and the inner side of the top of the first connecting rod 8 is rotatably connected to the third connecting rod 12, and the outer side of the third connecting rod 12 is fixed with the second connecting rod 9, and one side of the third connecting rod 12 is fixed with a fixed disk 13, and the inner end of the fixed disk 13 deviating from the center of the circle is slidably connected with an insertion rod 14, and a second connecting block 15 is fixed to one end of the insertion rod 14, and a spring 16 is sleeved on the outer side of the insertion rod 14, one side of the spring 16 is fixed to the fixed disk 13, and the other side of the spring 16 is fixed to the second connecting block 15, and a groove 10 is fixed to the top of the second connecting rod 9, and a collecting plate 11 is fixed to one side of the top of the groove 10, so that the collecting structure can collect rainwater.

[0042] The drainage structure includes a third connecting block 19, a screw 20, a limiting strip 21, a guide column 22, a limiting wheel 23, a rotating rod 24 and a water outlet pipe 25. The water outlet pipe 25 is fixed to one end of the inner side of the collecting bucket 1, and the third connecting block 19 is fixed to one side of the collecting bucket 1. The screw 20 is threadedly connected to one end of the inner side of the third connecting block 19. The bottom of the screw 20 is rotatably connected to the limiting strip 21, and a guide column 22 is fixed to one side of the top of the limiting strip 21. The guide column 22 and the third connecting block 19 are slidably connected. A rotating rod 24 is rotatably connected to one side of the collecting bucket 1, and a limiting wheel 23 is fixed to the outer side of the rotating rod 24. The top of the limiting wheel 23 is meshed with the limiting strip 21, and the limiting wheel 23 is slidably connected to one side of the water outlet pipe 25, so that the drainage structure can discharge the water source inside the device.

[0043] The stirring structure includes a motor 27, a first bevel gear 28, a second bevel gear 29, a third bevel gear 30, a first rotating column 31 and a second rotating column 32. The motor 27 is fixed to the bottom of the inner side of the collecting barrel 1, and the first bevel gear 28 is fixed to the output end of the motor 27. The first rotating column 31 is rotatably connected to the bottom of the inner side of the collecting barrel 1, and the second rotating column 32 is rotatably connected to the inner side of the connecting plate 26. The first rotating column 31 and the second rotating column 32 are rotatably connected, and the second bevel gear 29 is fixed to the outer side of the second rotating column 32. The third bevel gear 30 is fixed to the outer side of the first rotating column 31. The second bevel gear 29 and the third bevel gear 30 are both meshed and connected with the first bevel gear 28, so that the stirring structure can drive the filter carbon bag 33 to rotate and thereby filter and adsorb the water source.

[0044] A plurality of meshing teeth are provided on the top of the limiting wheel 23 , and the limiting wheel 23 is meshed and connected with the limiting bar 21 through the meshing teeth, so that the limiting bar 21 can control the rotation angle of the limiting wheel 23 .

[0045] The utility model provides a rainwater collection device, which can ensure rapid and large-scale collection of rainwater during rainfall through the design of an efficient collection structure, thereby maximizing the use of this natural resource and helping to solve the problem of water shortage in landscape gardens, especially in dry seasons or when water resources are scarce.

[0046] The device has a strong adsorption capacity through the design of the stirring structure, which can effectively remove pollutants such as organic matter, heavy metal ions, pigments and odors in rainwater, and improve the quality of rainwater. This is very important for using rainwater for irrigation, landscape water, etc., and can ensure the cleanliness and safety of water resources.

[0047] The use process of a rainwater collection device provided by the utility model is as follows: the user places the device outdoors where it is raining, and then adjusts the angle of the groove 10 according to the amount of rainfall. The user pulls open the second connecting block 15, thereby stretching the spring 16, and allowing the insertion rod 14 to slide inside the fixed disk 13 and disengage from the plug-in connection with the first connecting rod 8. The user rotates the third connecting rod 12 and the fixed disk 13, thereby driving the second connecting rod 9 to rotate, thereby adjusting the collection angle of the groove 10. The adjustable collection structure can be adjusted according to the amount and intensity of rainfall, ensuring that there is water under different rainfall conditions. The rainwater can be collected efficiently. When the rainfall is small, the collection amount can be reduced by adjusting the structure to avoid waste of resources. When the rainfall is large, the collection amount can be quickly increased to avoid waterlogging. After the collection is completed, the user energizes the motor 27 to rotate, and the output end of the motor 27 drives the first bevel gear 28 to rotate. The top end of one side of the first bevel gear 28 is meshed and connected with the second bevel gear 29, and the bottom end of one side of the first bevel gear 28 is meshed and connected with the third bevel gear 30, so that the rotation of the first bevel gear 28 drives the second bevel gear 29 and the third bevel gear 30 to rotate in the opposite direction, thereby causing the first rotating column 31 and the second rotating column 32 to rotate in the opposite direction. The column 32 rotates in the opposite direction, so that the multiple filter carbon bags 33 rotate in the opposite direction, so that the device can filter rainwater efficiently. The purified rainwater can be used for irrigation, landscape water, etc., thereby realizing the recycling of rainwater resources, which helps to reduce dependence on traditional water resources and reduce water costs. It also helps to protect the ecological environment. When it is necessary to discharge rainwater from the inside of the device for use, the user rotates the screw 20. Since the screw 20 and the third connecting block 19 are threadedly connected, the rotation of the screw 20 drives the limit bar 21 to rise and fall and disengage from the meshing connection with the limit wheel 23. The user rotates the limit wheel 2 3, detach from the fitting connection with the water outlet pipe 25, so that the water source inside the device flows out from the inside of the water outlet pipe 25, which is convenient for use; after use, when it needs to be stored, the user turns the handle 4, and the rotation of the handle 4 drives the worm 5 to rotate. Since one side of the worm 5 is meshingly connected with the worm wheel 6, the rotation of the worm 5 drives the worm wheel 6 to rotate, and then drives the rotating rod 7 and the first connecting rod 8 to rotate, so that the storage can be completed. In summary, the utility model can bring many benefits, including purifying the quality of rainwater, extending the service life of the device, enhancing environmental adaptability, promoting the recycling of rainwater resources and environmental protection benefits.

[0048] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A rainwater collection device, comprising a collection barrel (1), characterized in that: Three collecting structures are arranged on the outside of the collecting barrel (1); a drainage structure is arranged on one side of the collecting barrel (1); four supporting blocks (18) are fixed to the upper end of the inside of the collecting barrel (1); a sieve plate (17) is placed on the top of the four supporting blocks (18); the sieve plate (17) and the collecting barrel (1) are slidably connected; a stirring structure is arranged on the inside of the collecting barrel (1); a plurality of filtering carbon bags (33) are fixed on the outside of the stirring structure; and a connecting plate (26) is fixed on the inside of the collecting barrel (1).

2. A rainwater collection device according to claim 1, characterized in that: The collecting structure comprises a first connecting block (2), a fixing plate (3), a handle (4), a worm (5), a worm wheel (6), a rotating rod (7) and a first connecting rod (8); three first connecting blocks (2) are fixed on the outside of the collecting bucket (1); the inside of the first connecting block (2) is rotatably connected to the rotating rod (7); the outside of the rotating rod (7) is fixed to the first connecting rod (8); the top and bottom of one side of the first connecting block (2) are both fixed with a fixing plate (3); the sides of the two fixing plates (3) close to each other are rotatably connected to the worm (5); the bottom of the worm (5) is fixed with a handle (4); one end of the outer side of the rotating rod (7) is fixed with a worm wheel (6); the worm wheel (6) and the worm (5) are meshingly connected.

3. A rainwater collection device according to claim 2, characterized in that: The collecting structure also includes a second connecting rod (9), a third connecting rod (12), a fixed disk (13) and an insertion rod (14); the third connecting rod (12) is rotatably connected to the inner side of the top of the first connecting rod (8); the second connecting rod (9) is fixed to the outer side of the third connecting rod (12); a fixed disk (13) is fixed to one side of the third connecting rod (12); and the insertion rod (14) is slidably connected to the inner end of the fixed disk (13) that deviates from the center of the circle.

4. A rainwater collection device according to claim 3, characterized in that: The collecting structure further comprises a groove (10), a collecting plate (11), a second connecting block (15) and a spring (16); the second connecting block (15) is fixed to one end of the insert rod (14); the outer side of the insert rod (14) is sleeve-connected with a spring (16); one side of the spring (16) is fixed to the fixing plate (13); the other side of the spring (16) is fixed to the second connecting block (15); the top of the second connecting rod (9) is fixed with a groove (10); and one side of the top of the groove (10) is fixed with a collecting plate (11).

5. A rainwater collection device according to claim 4, characterized in that: The drainage structure comprises a third connection block (19), a screw (20), a limiting strip (21), a guide column (22), a limiting wheel (23), a rotating rod (24) and a water outlet pipe (25); the water outlet pipe (25) is fixed to one end of the inner side of the collection bucket (1); the third connection block (19) is fixed to one side of the collection bucket (1); the screw (20) is threadedly connected to one end of the inner side of the third connection block (19); the bottom of the screw (20) is rotatably connected to the water outlet pipe (25); A limit strip (21) is connected, a guide column (22) is fixed on one side of the top of the limit strip (21), the guide column (22) and the third connecting block (19) are slidably connected, a rotating rod (24) is rotatably connected on one side of the collection bucket (1), a limit wheel (23) is fixed on the outer side of the rotating rod (24), the top of the limit wheel (23) is meshedly connected to the limit strip (21), and the limit wheel (23) is slidably connected to one side of the water outlet pipe (25).

6. A rainwater collection device according to claim 5, characterized in that: The stirring structure comprises a motor (27), a first bevel gear (28), a second bevel gear (29), a third bevel gear (30), a first rotating column (31) and a second rotating column (32); the motor (27) is fixed to the bottom of the inner side of the collecting barrel (1); the first bevel gear (28) is fixed to the output end of the motor (27); the first rotating column (31) is rotatably connected to the bottom of the inner side of the collecting barrel (1); the second rotating column (32) is rotatably connected to the inner side of the connecting plate (26); the first rotating column (31) and the second rotating column (32) are rotatably connected; the second bevel gear (29) is fixed to the outer side of the second rotating column (32); the third bevel gear (30) is fixed to the outer side of the first rotating column (31); the second bevel gear (29) and the third bevel gear (30) are both meshingly connected to the first bevel gear (28).

7. A rainwater collection device according to claim 5, characterized in that: A plurality of meshing teeth are provided on the top of the limiting wheel (23), and the limiting wheel (23) is meshedly connected with the limiting strip (21) via the meshing teeth.

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