CN220504020U - Rainwater collecting, purifying and recycling device - Google Patents

Abstract

The application relates to a rainwater collecting, purifying and recycling device, which comprises a box body, a filtering component and a water outlet pipe; the top end of the box body is opened, the box body is provided with a planting chamber and a water storage chamber which are communicated from top to bottom, and the planting chamber is configured to plant plants and receive rainwater; the filter assembly is arranged in the water storage chamber and is configured to filter and purify rainwater after infiltration in the planting chamber; the filter assembly comprises a filter frame, the upper surface of the filter frame is a side surface of a right circular table, and the diameter of the bottom surface of the right circular table is equal to the diameter of the box body; one end of the water outlet pipe is connected with the bottom of the water storage chamber, and the other end is connected with the water end. The rainwater collection device can collect rainwater and carry out multistage purification treatment on the collected rainwater, and recycling of rainwater resources is achieved.

Description

Rainwater collecting, purifying and recycling device

Technical Field

The utility model relates to the technical field of rainwater collection and recycling, in particular to a rainwater collection, purification and recycling device.

Background

The lack of water resources becomes a worldwide problem, and the recovery of rainwater resources can effectively relieve the phenomenon of serious shortage of urban water resources and can also effectively prevent and relieve the urban waterlogging problem.

The rainwater collection device among the prior art adopts the underground filtration purification structure more, excavates the pit in subaerial, and geotechnique's cloth is laid to the inner wall in pit, lays the gravel layer of different particle diameters in the pit to set up the perforated pipe in the bottom in gravel layer, the rainwater filters through multilayer gravel layer, and the rainwater after the filtration has the perforated pipe to derive to the water end, but this kind of collection device is relatively poor to the purifying effect of rainwater, is not applicable to the roofing moreover.

The rainwater collecting, purifying and recycling device applied to the roof comprises an open device box, wherein a matrix layer and a vegetation layer are paved in the upper space of the device box, so that plants can be planted; the rainwater filtered by the matrix layer and the vegetation layer is directly guided into the space below the device box through the circuit control valve and the pipeline, but impurities, soil particles and the like still exist in the rainwater filtered by the matrix layer and the vegetation layer, so that the pipeline can be blocked, and the filtering and purifying functions of the rainwater collecting, purifying and recycling device are lost.

Disclosure of Invention

In view of the above, embodiments of the present utility model aim to provide a rainwater collection, purification and reuse device to solve one or more of the above problems in the prior art.

The purpose of the utility model is realized in the following way:

a rainwater collection, purification and reuse device, comprising:

the top end of the box body is opened, the box body is provided with a planting chamber and a water storage chamber which are communicated from top to bottom, and the planting chamber is configured to plant plants and receive rainwater;

the filter assembly is arranged in the water storage chamber and is configured to filter and purify rainwater after infiltration in the planting chamber; the filter assembly comprises a filter frame, the upper surface of the filter frame is a side surface of a right circular table, and the diameter of the bottom surface of the right circular table is equal to the diameter of the box body;

one end of the water outlet pipe is connected with the bottom of the water storage chamber, and the other end of the water outlet pipe is connected with the water end.

Further, a water leakage baffle is arranged in the box body, a planting chamber is arranged above the water leakage baffle, and a water storage chamber is arranged below the water leakage baffle; a pipeline is arranged through the water leakage partition board, the upper end of the pipeline is connected with a water spraying device, and the water spraying device is configured to water plants in the planting chamber; the lower port of the pipeline extends into the water storage chamber and is positioned below the filter frame.

Further, a filter screen is coaxially arranged at the lower port of the pipeline, and the bottom of the filter screen is contacted with the bottom surface of the water storage chamber.

Further, a cleaning and dredging assembly is arranged on the filter frame and is configured to clean the upper surface and the lower surface of the filter frame.

Further, the cleaning and dredging assembly comprises a driving box, a rotating sleeve, an upper cleaning frame and a lower cleaning frame; the driving box is arranged at the center of the bottom of the water leakage partition plate; the upper end of the rotating sleeve is connected with the driving end of the driving box, and the lower end of the rotating sleeve is positioned in a space below the lower surface of the filtering frame; the upper cleaning frame and the lower cleaning frame are respectively positioned above and below the filtering frame and can rotate along with the rotating sleeve to clean the upper surface and the lower surface of the filtering frame.

Further, the driving box comprises a protective sleeve, a first motor, a first gear and a second gear; the protective sleeve is arranged above the water leakage baffle plate and is coaxially arranged outside the pipeline; the first motor is arranged in the inner space of the protective sleeve, a main shaft of the first motor is connected with the first gear, and the first gear is meshed with the second gear; the second gear is fixedly arranged on the outer wall of the pipeline and fixedly connected with the upper end of the rotating sleeve.

Further, go up clean frame and clean frame down and be the structure of buckling, all include the linkage segment and strike off the section, strike off the section and be connected through linkage segment and rotation cover, strike off the section and have the face of striking off towards one side of filtering the frame, strike off and set up clean brush one on the face.

Further, the water spraying device comprises a water pipe, a water pump, a water spraying seat and a telescopic cylinder; the water spraying device comprises a water spraying seat, a water spraying device and a water spraying device, wherein the top surface of the water spraying device is provided with a first mounting groove, and the water spraying seat is arranged in the first mounting groove in a lifting manner; the bottom surface of the first mounting groove is provided with a second mounting groove, the telescopic cylinder is arranged in the second mounting groove, and a telescopic rod of the telescopic cylinder is connected with the water spraying seat and can drive the water spraying seat to lift in the first mounting groove; the water pipe is arranged in the pipeline, the water inlet of the water pipe is positioned in the filter screen, the water outlet of the water pipe is connected with the water spraying seat, and the water pump supplies water filtered by the filter screen in the pipeline to the water spraying seat through the water pipe.

Further, at least one cleaning rod is arranged outside the pipeline and connected to the bottom of the rotating sleeve; the cleaning rod is provided with a cleaning brush II, and the cleaning rod cleans the pipeline and the filter screen in the process of rotating along with the rotating sleeve.

Further, a garbage collection box is arranged on one side of the box body, an opening is formed in the side wall of the box body, the garbage collection box is communicated with the space above the filter frame in the box body through the opening, and an opening and closing piece is arranged on the opening to control the opening to be opened and closed; the side wall of the box body is also internally provided with a storage groove communicated with the opening, and the opening and closing piece is arranged in the storage groove and can extend out and retract back to the storage groove.

Compared with the prior art, the utility model has at least one of the following beneficial effects:

a) The rainwater collection, purification and reuse device provided by the embodiment can plant green plants to increase the greening area of a roof through the arrangement of the open box, promote good experience sense of living environment, can collect, filter and purify rainwater, realize rainwater resource recycling, reduce the water consumption of a house, achieve the aim of saving water of the house, and improve the energy-saving and environment-friendly performances of the existing house.

B) According to the rainwater collecting, purifying and recycling device, the planting chamber is used for receiving rainwater and carrying out primary filtration on the rainwater, and the filtering assembly is arranged in the water storage chamber, so that the rainwater which enters the planting chamber and is percolated can be filtered and purified again, and the purifying and filtering effects on the rainwater are improved; in addition, the cleaning and dredging assembly is arranged on the filter frame, so that the upper surface and the lower surface of the filter frame can be cleaned, the filtering effect of the filter frame is ensured, and the blockage is avoided; the garbage collection box is arranged on one side of the box body, garbage scraped from the filter frame by the cleaning frame can be collected, the operation is simple and convenient, and the long-term operation of the system can be ensured.

C) The rainwater is collected and is purified retrieval and utilization device that this embodiment provided has the rainwater and collects, purify and the function of retrieval and utilization, can reduce the rainfall, alleviate rainwater pipe network pressure, and the rainwater that stores in the retaining room not only can realize the automatic watering to the plant of planting the room through water jet equipment moreover, has solved arid period green plant water supply problem, and the rainwater that purifies that stores in the retaining room uses through the water equipment of pipeline water supply end moreover.

Drawings

In order to more clearly illustrate the embodiments of the present description or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the embodiments of the present description, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a block diagram of a rainwater collection, purification and reuse device in an embodiment of the present utility model;

FIG. 2 is a cross-sectional view (view I) of a rainwater collection, purification and reuse apparatus according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view (view II) of a rainwater collection, purification and reuse device according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view (view three) of a rainwater collection, purification and reuse unit according to an embodiment of the present utility model;

FIG. 5 is an enlarged schematic view of area A of FIG. 4;

FIG. 6 is an enlarged schematic view of region C of FIG. 4;

fig. 7 is an enlarged schematic view of region B in fig. 2.

Reference numerals:

1. a rainwater collecting, purifying and recycling device; 2. a water outlet pipe; 3. a case; 3-1, planting room; 3-2, a water storage chamber; 4. a water leakage baffle; 5. a pipe; 6. a separation frame; 7. a water spraying device; 8. a first granular gravel layer; 9. a second layer of granular gravel; 10. a filter frame; 11. a garbage collection box; 12. a drive box; 13. a rotating sleeve; 14. a cleaning frame is arranged on the upper part; 15. a lower cleaning frame; 16. a cleaning lever; 17. a water pipe; 18. a filter screen; 19. a water spraying seat; 20. a mounting groove; 21. a telescopic cylinder; 22. an opening; 23. a door; 24. a screw rod; 25. a third gear; 26. a fourth gear; 27. a second motor; 28. a protective sleeve; 29. a first motor; 30. a first gear; 31. and a second gear.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

For the purpose of facilitating an understanding of the embodiments of the present application, reference will now be made to the following description of specific embodiments, taken in conjunction with the accompanying drawings, in which the embodiments are not intended to limit the embodiments of the present application.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the term "coupled" should be interpreted broadly, for example, as being fixedly coupled, detachably coupled, integrally coupled, mechanically coupled, electrically coupled, directly coupled, or indirectly coupled via an intermediary. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The terms "top," "bottom," "above … …," "below," and "on … …" are used throughout the description to refer to the relative positions of components of the device, such as the relative positions of the top and bottom substrates inside the device. It will be appreciated that the devices are versatile, irrespective of their orientation in space.

Example 1

The utility model discloses a rainwater collecting, purifying and recycling device which can be arranged on the roof surface of a house or the surrounding space of the house.

As shown in fig. 1 to 4, a rainwater collecting, purifying and recycling apparatus 1 includes:

the device comprises a box body 3, wherein the top end of the box body 3 is opened, the box body 3 is provided with a planting chamber 3-1 and a water storage chamber 3-2 which are communicated from top to bottom, the planting chamber 3-1 is configured to plant plants and receive rainwater, and the received rainwater is subjected to primary filtration;

the filtering component is arranged in the water storage chamber 3-2 and is configured to filter and purify the rainwater which is percolated by the planting chamber 3-1 again; the filter assembly comprises a filter frame 10, the upper surface of the filter frame 10 is a side surface of a right circular table, and the diameter of the bottom surface of the right circular table is equal to the diameter of the box body 3;

the water outlet pipe 2 is provided with a water inlet and a water outlet, and the water inlet of the water outlet pipe 2 is communicated with the bottom of the water storage chamber 3-2 and is positioned below the filter frame 10; the water outlet of the water outlet pipe 2 is connected with a water end through a water pipe.

When rainfall occurs, the box body 3 collects rainwater, the rainwater is subjected to primary filtration of green plants and planting soil layers of the planting room 3-1, enters the water storage room 3-2, the filtration component filters and purifies the entered rainwater again, the filtered and purified rainwater is stored in the water storage room 3-2, and the filtered and purified rainwater can be supplied into water equipment at a water end by the water outlet pipe 2, for example, the filtered and purified rainwater can be led to a green garden of a living community for green plant irrigation, or the water storage tank is connected to serve as fire water storage, or the water storage tank is used for car washing and the like. The purified and filtered rainwater can be further disinfected and purified to reach the water standard of domestic non-drinking water.

In the embodiment, a water leakage baffle plate 4 which is horizontally arranged is arranged in a box body 3, a planting chamber 3-1 is arranged in the upper space of the water leakage baffle plate 4, and a water storage chamber 3-2 is arranged in the lower space of the water leakage baffle plate; the water leakage baffle plate 4 is provided with a pipeline 5, and the pipeline 5 extends towards the water storage chamber 3-2 and can be communicated with the planting chamber 3-1 and the water storage chamber 3-2; specifically, a pipeline 5 is arranged through the water leakage partition plate 4, the upper end of the pipeline 5 is connected with a water spraying device 7, and the water spraying device 7 is configured to water plants in the planting chamber 3-1; the lower port of the pipeline 5 extends into the water storage chamber 3-2 and is positioned below the filter frame 10, a filter screen 18 is coaxially arranged at the lower port of the pipeline 5, and the bottom of the filter screen 18 is in contact with the bottom surface of the water storage chamber 3-2.

In this embodiment, the first granular gravel layer 8 and the second granular gravel layer 9 are disposed in the planting chamber 3-1 from top to bottom, and rainwater is filtered layer by passing through plants, the first granular gravel layer 8 and the second granular gravel layer 9, and enters the water storage chamber 3-2. Specifically, a partition frame 6 is arranged in the planting room 3-1, and the partition frame 6 partitions the planting room 3-1 into a plurality of planting spaces; a first granular gravel layer 8 and a second granular gravel layer 9 are paved in each planting space from top to bottom, the first granular gravel layer 8 is filled with gravel particles with a first grain size, the second granular gravel layer 9 is filled with gravel particles with a second grain size, and the first grain size is larger than the second grain size.

In one alternative embodiment, the filter frame 10 is provided with a cleaning and dredging assembly configured to clean the upper and lower surfaces of the filter frame 10, thereby ensuring that the filter frame 10 has good filtering performance all the time. Specifically, the cleaning and dredging assembly comprises a driving box 12, a rotating sleeve 13, an upper cleaning frame 14 and a lower cleaning frame 15; the driving box 12 is arranged at the bottom center of the water leakage baffle 4; the rotating sleeve 13 is connected between the filter frame 10 and the pipeline 5, the upper end of the rotating sleeve 13 is connected with the driving end of the driving box 12 through the transmission of the driving box 12, and the lower end of the rotating sleeve 13 is positioned in a space below the lower surface of the filter frame 10; the rotating sleeve 13 is provided with an upper cleaning frame 14 and a lower cleaning frame 15, and the upper cleaning frame 14 and the lower cleaning frame 15 are respectively positioned above and below the filter frame 10 and can rotate along with the rotating sleeve 13 to clean the upper surface and the lower surface of the filter frame 10. The upper surface and the lower surface of the filter frame 10 are both the side surfaces of a right circular table, and the filter frame 10 is of a horn-shaped structure with a large bottom and a small top. The upper cleaning frame 14 is in contact with the upper surface of the filter frame 10; the lower cleaning frame 15 is in contact with the lower surface of the filter frame 10. In the running process of the system, the driving box 12 is started periodically, the rotating sleeve 13 rotates, and the upper cleaning frame 14, the lower cleaning frame 15 and the cleaning rod 16 synchronously rotate along with the rotating sleeve, so that the filter frame 10 and the filter screen 18 are cleaned and dredged, and the normal filtering performance of the filter frame 10 and the filter screen 18 is ensured.

In one alternative embodiment, as shown in FIG. 6, the drive housing 12 includes a protective sleeve 28, a first motor 29, a first gear 30, and a second gear 31; the first motor 29 drives the rotation sleeve 13 to rotate through the meshed first gear 30 and second gear 31. The protective sleeve 28 is arranged above the water leakage baffle 4 and is coaxially arranged outside the pipeline 5; the first motor 29 is arranged in the inner space of the protective sleeve 28, a main shaft of the first motor 29 is connected with the first gear 30, and the first gear 30 is in meshed connection with the second gear 31; the second gear 31 is fixedly arranged on the outer wall of the pipeline 5 and fixedly connected with the upper end of the rotating sleeve 13.

Illustratively, the upper cleaning frame 14 and the lower cleaning frame 15 are both of a bent structure, and each of the upper cleaning frame and the lower cleaning frame includes a connecting section and a scraping section, the scraping section is connected with the rotating sleeve 13 through the connecting section, one side of the scraping section, facing the filtering frame 10, has a scraping surface, and a cleaning brush I is disposed on the scraping surface. The upper cleaning frame 14 and the lower cleaning frame 15 clean and dredge the upper and lower surfaces of the filter frame 10.

In one embodiment, as shown in fig. 5, the water spraying device 7 includes a water pipe 17, a water pump, a water spraying seat 19 and a telescopic cylinder 21; the center of the top surface of the water spraying device 7 is provided with a first mounting groove 20, a water spraying seat 19 is arranged in the first mounting groove 20 in a lifting manner, and the water spraying seat 19 is in sliding connection with the groove wall of the mounting groove 20; the bottom surface of the first mounting groove 20 is provided with a second mounting groove, the telescopic cylinder 21 is arranged in the second mounting groove, and a telescopic rod of the telescopic cylinder 21 is connected with the water spraying seat 19, so that the water spraying seat 19 can be driven to lift in the first mounting groove 20; the water pipe 17 is arranged in the pipeline 5, the water inlet of the water pipe 17 is positioned in a filter screen 18 below the pipeline 5, the water outlet of the water pipe 17 is connected with a water spraying seat 19, and the water pump supplies water filtered by the filter screen 18 in the pipeline 5 to the water spraying seat 19 through the water pipe 17. The filter screen 18 and the lower part of the pipeline 5 form a water containing space which can contain filtered water, and the water pipe 17 can pump out the water in the water containing space for irrigation. When plants need to be irrigated, the telescopic air cylinder 21 drives the water spraying seat 19 to lift, and the water pump pumps water in the pipeline 5 to automatically irrigate the plants in the planting space. When water is not needed, the water spraying seat 19 is accommodated in the mounting groove 20, so that the protection effect is achieved, and the blockage caused by dust and sundries entering the water pipe 17 is avoided.

Further, at least one cleaning rod 16 is arranged outside the pipeline 5, the cleaning rod 16 is connected to the bottom of the rotating sleeve 13, and the cleaning rod 16 can rotate along the periphery of the pipeline 5; the cleaning rod 16 is provided with a cleaning brush II, and the cleaning rod 16 cleans the pipeline 5 and the filter screen 18 in the process of rotating along with the rotating sleeve 13.

In the embodiment, a garbage collection box 11 is arranged on one side of the box body 3, and the garbage collection box 11 is positioned on one side of the filter frame 10 and is communicated with the space above the box body 3; the side wall of the box body 3 is provided with an opening 22, the garbage collection box 11 is communicated with the space above the filter frame 10 in the box body 3 through the opening 22, and the opening 22 is provided with an opening and closing piece for controlling the opening 22 to be opened and closed; the side wall of the box body 3 is also provided with a storage groove communicated with the opening 22, and the opening and closing piece is arranged in the storage groove and can extend out and retract into the storage groove.

In one embodiment, the shutter includes a door 23 and a screw drive assembly, the door 23 and the screw drive assembly being disposed in the receiving slot, the screw drive assembly being configured to drive the door 23 up and down to open and close the opening 22. Specifically, as shown in fig. 7, the screw drive assembly includes a screw 24, a third gear 25, a fourth gear 26, and a second motor 27; the box door 23 is slidably arranged in the accommodating groove, the size of the box door 23 is larger than that of the opening 22, the opening 22 can be sealed, the third gear 25 and the fourth gear 26 are arranged at the top of the accommodating groove, the lead screw 24 is rotatably arranged in the accommodating groove, the box door 23 is in threaded connection with the lead screw 24, the lead screw 24 can drive the box door 23 to lift, the opening 22 is controlled to be opened and closed, the third gear 25 is connected with the top end of the lead screw 24, the third gear 25 is meshed with the fourth gear 26, and the fourth gear 26 is connected with the output shaft of the second motor 27. In the system operation process, the opening and closing piece is started regularly to collect garbage, at this moment, the motor II 27 drives the screw 24 to rotate, the box door 23 is controlled to move up and down, the box door 23 is controlled to move up, the opening 22 is opened, the upper cleaning frame 14 and the lower cleaning frame 15 clean the upper surface and the lower surface of the filter frame 10 along with the rotation of the rotating sleeve 13, garbage is scraped, the garbage on the upper surface of the filter frame 10 can fall along the inclined upper surface due to the downward inclination of the upper surface of the filter frame 10, the garbage enters the garbage collection box 11 from the opened opening 22, garbage collection on the filter frame 10 is realized, after garbage collection is completed, the screw 24 moves reversely, the box door 23 moves down, the opening 22 is closed, and the operation is simple and convenient, and the cleaning and dredging of the filter frame 10 are ensured.

Because the lower cleaning frame 15 can scrape the lower surface of the filter frame 10, the scraped sundries can directly fall into the water storage chamber 3-2, so that the bottom of the water storage chamber 3-2 can deposit sludge, and the dirt is required to be cleaned periodically. In this embodiment, the drain is disposed at the bottom of the water storage chamber 3-2, the water storage chamber 3-2 has an inclined bottom surface, the gradient is 1% -2%, the drain is located at the low end of the inclined bottom surface, the water inlet of the water outlet pipe 2 is located at the high end of the inclined bottom surface, that is, the drain is lower than the water inlet of the water outlet pipe 2, so that sludge can be piled up towards the low end along the inclined bottom surface, the rainwater with clean upper part flows out from the water inlet of the water outlet pipe 2, deposited sludge is prevented from entering the water outlet pipe 2, and clean water at the water use end is ensured.

Compared with the prior art, the rainwater collecting, purifying and recycling device provided by the embodiment has at least one of the following beneficial effects:

1. not only can green plants be planted to increase the greening area of the roof and improve the good experience of living environment, but also can collect, filter and purify rainwater, realize the cyclic utilization of rainwater resources, reduce the water consumption of houses, achieve the aim of saving water of the houses and improve the energy-saving and environment-friendly performance of the existing houses; and the rainfall can be reduced, and the pressure of a rainwater pipe network can be reduced.

2. The planting room is used for receiving rainwater and primarily filtering the rainwater, and the filtering assembly is arranged in the water storage room, so that the rainwater which enters the planting room and is percolated can be filtered and purified again, and the purification and filtration effects on the rainwater are improved; in addition, the cleaning and dredging assembly is arranged on the filter frame, so that the upper surface and the lower surface of the filter frame can be cleaned, the filtering effect of the filter frame is ensured, and the blockage is avoided; the garbage collection box is arranged on one side of the box body, garbage scraped from the filter frame by the cleaning frame can be collected, the operation is simple and convenient, and the long-term operation of the system can be ensured.

3. Through setting up water jet equipment, realize the automatic watering to the plant of planting the room, solved arid period green plant water supply problem, the rainwater that purifies of storing in the retaining room moreover uses through the water equipment of pipeline water supply end.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims (10)

1. A rainwater collection, purification and reuse device, comprising:

the device comprises a box body (3), wherein the box body (3) is provided with a planting chamber (3-1) and a water storage chamber (3-2) which are communicated from top to bottom, the planting chamber (3-1) is configured to plant plants and receive rainwater, and primary filtration is carried out on the received rainwater;

the filtering component is arranged in the water storage chamber (3-2) and is configured to filter and purify the rainwater which is percolated by the planting chamber (3-1) again; the filter assembly comprises a filter frame (10), the upper surface of the filter frame (10) is a side surface of a right circular truncated cone, and the diameter of the bottom surface of the right circular truncated cone is equal to the diameter of the box body (3);

and one end of the water outlet pipe (2) is connected with the bottom of the water storage chamber (3-2), and the other end of the water outlet pipe is connected with a water end.

2. The rainwater collection, purification and recycling device according to claim 1, characterized in that the planting chamber (3-1) and the water storage chamber (3-2) are separated by a water leakage baffle (4); a pipeline (5) is arranged through the water leakage partition board (4), the upper end of the pipeline (5) is connected with a water spraying device (7), and the water spraying device (7) is configured to water plants in the planting chamber (3-1); the lower port of the pipeline (5) extends into the water storage chamber (3-2) and is positioned below the filter frame (10).

3. The rainwater collecting, purifying and recycling device according to claim 2, characterized in that a filter screen (18) is coaxially arranged at the lower port of the pipeline (5), and the bottom of the filter screen (18) is in contact with the bottom surface of the water storage chamber (3-2).

4. A rainwater collection, purification and reuse device according to claim 3, characterised in that a cleaning and dredging assembly is provided on the filter frame (10), the cleaning and dredging assembly being configured to clean the upper and lower surfaces of the filter frame (10).

5. The rainwater collection, purification and reuse device according to claim 4, characterized in that the cleaning and dredging assembly comprises a driving box (12), a rotating sleeve (13), an upper cleaning frame (14) and a lower cleaning frame (15); the driving box (12) is arranged at the bottom center of the water leakage partition board (4); the upper end of the rotating sleeve (13) is connected with the driving end of the driving box (12), and the lower end of the rotating sleeve (13) is positioned in the space below the filtering frame (10); the rotary sleeve (13) is provided with an upper cleaning frame (14) and a lower cleaning frame (15), and the upper cleaning frame (14) and the lower cleaning frame (15) are respectively positioned above and below the filter frame (10) and can rotate along with the rotary sleeve (13) to clean the upper surface and the lower surface of the filter frame (10).

6. The rainwater collection, purification and reuse device according to claim 5, characterized in that the drive box (12) comprises a protective sleeve (28), a first motor (29), a first gear (30) and a second gear (31); the protective sleeve (28) is arranged above the water leakage partition board (4) and is coaxially arranged outside the pipeline (5); the motor I (29) is arranged in the inner space of the protective sleeve (28), a main shaft of the motor I (29) is connected with the gear I (30), and the gear I (30) is in meshed connection with the gear II (31); the second gear (31) is fixedly arranged on the outer wall of the pipeline (5) and fixedly connected with the upper end of the rotating sleeve (13).

7. The rainwater collecting, purifying and recycling device according to claim 6, characterized in that the upper cleaning frame (14) and the lower cleaning frame (15) each comprise a connecting section and a scraping section, the scraping section is connected with the rotating sleeve (13) through the connecting section, and one side of the scraping section facing the filtering frame (10) is provided with a scraping surface.

8. The rainwater collection, purification and reuse device according to claim 7, characterized in that the water spraying device (7) comprises a water pipe (17), a water pump, a water spraying seat (19) and a telescopic cylinder (21);

the top surface of the water spraying device (7) is provided with a first mounting groove (20), and the water spraying seat (19) is arranged in the first mounting groove (20) in a lifting manner;

the bottom surface of the first mounting groove (20) is provided with a second mounting groove, the telescopic cylinder (21) is arranged in the second mounting groove, and a telescopic rod of the telescopic cylinder (21) is connected with the water spraying seat (19) and can drive the water spraying seat (19) to lift in the first mounting groove (20);

the water pipe (17) is arranged in the pipeline (5), a water inlet of the water pipe (17) is positioned in the filter screen (18), a water outlet of the water pipe (17) is connected with the water spraying seat (19), and the water pump supplies water filtered by the filter screen (18) in the pipeline (5) into the water spraying seat (19) through the water pipe (17).

9. The rainwater collection, purification and reuse device according to claim 8, characterized in that at least one cleaning rod (16) is arranged outside the pipeline (5), and the cleaning rod (16) is connected to the bottom of the rotating sleeve (13); the cleaning rod (16) is provided with a second cleaning brush, and the cleaning rod (16) cleans the pipeline (5) and the filter screen (18) in the rotating process of the rotating sleeve (13).

10. The rainwater collecting, purifying and recycling device according to claim 1, characterized in that a garbage collecting box (11) is arranged on one side of the box body (3), an opening (22) is arranged on the side wall of the box body (3), the garbage collecting box (11) is communicated with the inner space of the box body (3) through the opening (22), and the opening (22) is provided with an opening and closing piece for controlling the opening (22) to be opened and closed.