CN113216319B

CN113216319B - Green building roof rainwater recycle system

Info

Publication number: CN113216319B
Application number: CN202110523629.4A
Authority: CN
Inventors: 陈雄杰
Original assignee: Shenzhen Haoyuan Decoration Design Engineering Co ltd
Current assignee: Shenzhen Chaoxiang Creative Exhibition Co.,Ltd.
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2022-07-22
Anticipated expiration: 2041-05-13
Also published as: CN113216319A

Abstract

The application discloses a green building roof rainwater recycling system, which relates to the technical field of roof rainwater recycling and improves rainwater collection quality, and comprises a gutter horizontally arranged at the lower end of a roof and used for collecting rainwater, wherein the gutter comprises a bottom plate in a cuboid structure, short side plates vertically arranged at two short side edges of the bottom plate, and a first long side plate and a second long side plate vertically arranged at two long side edges of the bottom plate; the bottom plate is also vertically provided with a filtering clapboard extending along the length direction of the bottom plate; form the water catch bowl that is used for collecting the rainwater between filtering baffle and the first long curb plate, filter and form the dirty groove of collection that is used for collecting debris between baffle and the second long curb plate. This application can effectual improvement collect the quality of water of rainwater.

Description

Green building roof rainwater recycle system

Technical Field

The application relates to the technical field of roof rainwater recycling, in particular to a green building roof rainwater recycling system.

Background

The green building is a novel modern building and has the characteristic of environmental protection.

Green building among the related art, as shown in fig. 1, includes the building body, the building body includes wall 11 and slope setting roof 10 on wall 11, and the lower extreme of roof 10 is provided with eaves gutter 1 that is used for collecting the rainwater, is provided with the horizontally extending water drainage tank 111 in eaves gutter 1, is connected with downwardly extending's drain pipe 19 in the water drainage tank 111, and the lower extreme of drain pipe 19 is connected with water storage tank 20.

With respect to the related art in the above, the inventors consider that: in an open environment, sundries are easy to accumulate in the drainage channel 111 of the gutter 1, and when rainwater is collected in a rainy day, the sundries can enter the water storage tank 20 along with the rainwater through the drainage pipe 19, so that the quality of the collected rainwater is affected.

Disclosure of Invention

In order to improve the quality that the rainwater was collected, this application provides a green building roof rainwater recycle system.

The application provides a green building roof rainwater recycle system adopts following technical scheme:

a green building roof rainwater recycling system comprises a gutter which is horizontally arranged at the lower end of a roof and is used for collecting rainwater, wherein the gutter comprises a bottom plate in a cuboid structure, short side plates which are vertically arranged on two short side edges of the bottom plate, and a first long side plate and a second long side plate which are vertically arranged on two long side edges of the bottom plate; the bottom plate is also vertically provided with a filtering clapboard extending along the length direction of the bottom plate; a water collecting groove for collecting rainwater is formed between the filtering partition plate and the first long side plate, and a sewage collecting groove for collecting sundries is formed between the filtering partition plate and the second long side plate;

the water wheel comprises a wheel body and wheel shafts arranged on two sides of the wheel body, the two wheel shafts are respectively connected with a short side plate in a rotating mode, water grooves are uniformly distributed in the circumferential direction of the outer circumferential side of the wheel body, a filter screen is wound in the circumferential direction of the outer circumferential side of the wheel body, and a guide plate which is abutted to the outer side of the filter screen and used for guiding rainwater into the water grooves to enable the wheel body to rotate towards the direction of the filter partition plate is obliquely arranged at the lower end of the roof; the upper end of the filtering baffle is tangent to the filtering net so as to guide the sundries into the dirt collecting groove;

the sewage collecting device is used for collecting impurities in the sewage collecting groove; the tank bottom of water catch bowl is connected with the drain pipe, the lower extreme of drain pipe is connected with the water storage box.

Through adopting above-mentioned technical scheme, during the rainy day, during rainwater accessible guide plate gets into the basin for the waterwheel removes towards the direction in the dirty groove of collection, and sends into the dirty groove of collection with debris, makes debris collect by the dirty device of collection in the dirty groove of collection. The filtered rainwater in the sewage collecting tank can flow back to the water collecting tank through the filtering partition plate and is sent into the water storage tank by the drain pipe at the bottom of the water collecting tank to be collected and stored, so that the quality of the rainwater collected by the water storage tank is improved.

Optionally, a sewage draining outlet is formed in the middle of the bottom of the sewage collecting tank, a sewage collecting pipe connected with the sewage draining outlet is arranged at the lower end of the bottom plate, an upwardly extending baffle is arranged at the edge of the sewage draining outlet, a sewage collecting box with an opening at the upper end is arranged on the upper end face of the water storage box, a connecting pipe communicated with the water storage box is arranged at the bottom of the sewage collecting box, a sewage collecting frame used for filtering sundries is arranged in the sewage collecting box, and the lower end of the sewage collecting pipe is located right above the sewage collecting frame;

the sewage collecting device comprises two filter plates arranged on the fence, the two filter plates are symmetrically arranged, and one side of each short side plate close to the corresponding short side plate is provided with a supporting step for supporting the corresponding filter plate; when the two filter plates are in a horizontal state parallel to the bottom plate, the ends, close to the two filter plates, are abutted against the surrounding baffle, and the ends, far away from the two filter plates, are abutted against one supporting step respectively;

the bottoms of the two filter plates, which are far away from one ends, are hinged with push rods, the supporting step is provided with a through hole for the sliding connection of the push rods in a penetrating manner along a direction vertical to the bottom plate, and one end of each push rod extends out of the through hole; the sewage collecting device comprises a push rod bottom plate, a linkage rod parallel to a wheel shaft is rotatably connected below the push rod bottom plate, two cams are arranged on the linkage rod and respectively abut against the end part of one push rod, and the sewage collecting device further comprises a driving assembly used for driving the linkage rod to rotate so that the cams push the push rods to slide up and down.

Through adopting above-mentioned technical scheme, in rainwater entering collection dirt inslot to during through the filter, debris in the rainwater can be dammed at the filter. Then rotate through drive assembly drive gangbar for the gangbar drives the cam and rotates, and the cam promotes two push rods and upwards slides, makes the filter rotate to the tilt state and open and enclose the fender from horizontal position under the effect of push rod, and at this moment, debris on the filter can get into to enclose during keeping off, and send into collection dirt frame by dirty pipe of collection and collect, thereby make things convenient for the staff to clear up debris.

Optionally, the upper end surface of the filter plate is slidably connected with a scraper used for pushing sundries to a sewage outlet; support plates are vertically arranged on two side edges of the filter plate, the scraping plate is positioned between the two support plates, and an arc surface is arranged on one side of the two scraping plates, which is far away from the support plates; guide shafts are protruded from two ends of the scraper, guide holes which extend along the length direction of the support plates and are used for the guide shafts to be connected in a sliding manner are formed in the two support plates, and guide grooves for the guide shafts to be connected in a sliding manner are formed in the side, close to the second long side plate, of the filtering partition plate; when the filter plate rotates to the maximum inclination angle from the horizontal state, the guide shaft can move from one end, close to the short side plate, of the support plate to one end, close to the enclosure, of the support plate along the guide groove.

By adopting the technical scheme, when the filter plate moves to the maximum inclined position from the horizontal state, the scraper on the filter plate moves to one end close to the enclosure from one end close to the short side plate of the filter plate along the guide groove, and in the process that the scraper moves towards the enclosure, sundries attached to the filter plate can be pushed into the enclosure and discharged from the sewage discharge port, so that the sundries attached to the filter plate are reduced; when the scraper blade moved towards the short side plate direction, debris accessible arc surface on the filter passed through to one side that the scraper blade deviates from the short side plate for the more thorough of debris clearance on the filter.

Optionally, the two ends of the lower end face of the bottom plate are provided with hinged seats, and the two ends of the linkage rod are respectively connected with one hinged seat in a rotating mode through bearings.

Through adopting above-mentioned technical scheme, the gangbar passes through the bearing and is connected with articulated seat rotation, frictional resistance when can effectual reduction gangbar rotates.

Optionally, the driving assembly includes first belt pulleys fixedly connected to two ends of the linkage rod, two ends of the wheel shaft extending out of the short side plate are fixedly connected with second belt pulleys, and a linkage belt is wound between the first belt pulleys and the second belt pulleys.

Through adopting above-mentioned technical scheme, when the waterwheel takes place to rotate under the effect of rainwater, the waterwheel can drive epaxial second band pulley of wheel and rotate for the second band pulley passes through the linkage area and drives first band pulley rotation, and the gangbar rotates thereupon, and drives the cam and rotate, makes cam drive push rod rebound, thereby orders about the filter and rotates. This scheme adopts the waterwheel as drive assembly, can effectual energy can be saved.

Optionally, the driving assembly comprises a driving motor erected outside the hinged seat, first belt wheels are fixedly connected to two ends of the linkage rod, an output shaft of the driving motor is fixedly connected to one end of the linkage rod, second belt wheels are fixedly connected to two ends of the wheel shaft extending out of the short side plate, and a linkage belt is arranged between the first belt wheels and the second belt wheels in a winding mode.

Through adopting above-mentioned technical scheme, during rainy day, start driving motor, driving motor can drive the gangbar and rotate to drive the waterwheel through the linkage area and rotate, make the waterwheel can guide debris to the dirty groove of collection, get into the basin and promote the waterwheel and rotate through the rainwater, can reduce drive waterwheel pivoted power, thereby reduce the consumption of the energy.

Optionally, the diameter of the second pulley is smaller than the diameter of the first pulley.

Through adopting above-mentioned technical scheme, because the diameter of second band pulley is less than the diameter of first band pulley for more laborsaving when second band pulley drives first band pulley and rotates.

Optionally, the upper end of the filtering partition plate is provided with a guide surface which is inclined downwards towards the sewage collecting groove.

Through adopting above-mentioned technical scheme, the setting of guide face can be better guide debris to the dirty groove of collection and collect.

Optionally, be provided with the sunshade that is used for preventing debris from getting into in the eaves gutter from the upper end on the long curb plate of second, be formed with the space that supplies the rainwater to get into in the eaves gutter between sunshade and the roof.

Through adopting above-mentioned technical scheme, the setting of sunshade can effectual reduction debris such as fallen leaves get into in the eaves gutter from the top of eaves gutter.

In summary, the present application includes at least one of the following benefits:

1. the rainwater collecting device can effectively improve the quality of collected rainwater;

2. the waterwheel is used as a power source for driving the linkage rod to rotate, so that the energy loss can be reduced.

Drawings

Fig. 1 is a schematic structural view of the related art;

FIG. 2 is a schematic view of the overall structure of the present embodiment;

FIG. 3 is a schematic cross-sectional view of the gutter of the present embodiment;

FIG. 4 is a schematic structural view of the waterwheel of this embodiment;

FIG. 5 is an exploded view of the contamination collecting frame according to the present embodiment;

FIG. 6 is a schematic structural view showing the two filter plates in a tilted state according to the present embodiment;

FIG. 7 is a schematic structural view of the filter plate of the present embodiment;

FIG. 8 is a schematic structural diagram of a linkage rod embodying the present embodiment;

fig. 9 is a schematic structural view of the present embodiment embodying the drive motor.

Description of the reference numerals: 1. eaves gutter; 111. a water discharge tank; 2. a base plate; 3. a first long side plate; 4. a second long side plate; 5. short side plates; 6. a filtering separator; 7. a water collection tank; 8. a sewage collecting tank; 9. a filtration pore; 10. a roof; 11. a wall body; 12. water wheel; 13. a wheel body; 14. an axle; 15. a water tank; 16. a filter screen; 17. a baffle; 18. a guide surface; 19. a drain pipe; 20. a water storage tank; 21. enclosing; 22. a sewage draining outlet; 23. a dirt collecting box; 24. a dirt collecting frame; 25. a connecting pipe; 26. a sewage collecting pipe; 27. a filter plate; 28. a support step; 29. a push rod; 30. a through hole; 31. a hinged seat; 32. a linkage rod; 33. a cam; 34. a first pulley; 35. a second pulley; 36. a linkage belt; 37. a squeegee; 38. a guide hole; 39. a guide shaft; 40. a support plate; 41. a guide groove; 42. a shutter; 43. a drive motor; 44. mounting a plate; 45. a circular arc surface.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses green building roof rainwater recycle system.

Example 1:

referring to fig. 2 and 3, the rainwater recycling system includes a gutter 1 horizontally disposed at a lower end of an inclined roof 10, and the gutter 1 may be fixed to a wall 11 by means of expansion bolts or adhesive bonding. The gutter 1 comprises a bottom plate 2 in a cuboid structure, short side plates 5 vertically arranged on two short sides of the bottom plate 2, and a first long side plate 3 and a second long side plate 4 vertically arranged on two long sides of the bottom plate 2; the bottom plate 2, the two short side plates 5, the first long side plate 3 and the second long side plate 4 jointly form a water collecting structure with an opening at the upper end. Rainwater can flow along the inclined roof 10 into the gutter 1 for collection.

Referring to fig. 3 and 4, a filtering partition plate 6 extending along the length direction of the bottom plate 2 is vertically arranged in the middle of the bottom plate 2, the filtering partition plate 6 divides the gutter 1 into a water collecting tank 7 for collecting rainwater and a dirt collecting tank 8 for collecting impurities, the water collecting tank 7 is located between the filtering partition plate 6 and the first long side plate 3, and the dirt collecting tank 8 is located between the filtering partition plate 6 and the second long side plate 4. The filtering holes 9 are uniformly distributed on the filtering baffle 6, and the filtering holes 9 can play a role in intercepting sundries.

Further, referring to fig. 3 and 4, the upper end of the water collecting tank 7 is rotatably connected with a waterwheel 12, the waterwheel 12 includes a wheel body 13 in a cylindrical structure and wheel shafts 14 coaxially arranged at two ends of the wheel body 13, and the two wheel shafts 14 are respectively rotatably connected with one short side plate 5 through waterproof bearings. Water grooves 15 are uniformly distributed on the axis of the outer periphery of the wheel body 13, and a filter screen 16 covering the water grooves 15 is arranged around the outer periphery of the wheel body 13. The lower end of the roof 10 is obliquely provided with a guide plate 17 which is abutted against the outer side of the filter screen 16, the upper end of the filter partition plate 6 is tangent to the filter screen 16 on the outer side of the wheel body 13, and the upper end of the filter partition plate 6 is provided with a guide surface 18 which is downwards inclined towards the dirt collecting groove 8. The guide plate 17 can guide rainwater into the water tank 15, so that the wheel body 13 rotates towards the sewage collecting tank 8, and impurities intercepted on the filter screen 16 are sent into the sewage collecting tank 8 to be collected.

Referring to fig. 2 and 3, a drain pipe 19 is connected to the bottom of the water collecting tank 7, a water storage tank 20 is connected to the lower end of the drain pipe 19, and filtered rainwater can enter the water storage tank 20 through the drain pipe 19 for storage.

Referring to fig. 2 and 3, a drain 22 is provided in the middle of the bottom of the sewage collecting tank 8, and a surrounding baffle 21 is provided on the upper edge of the drain 22 for reducing the rainwater entering the drain 22. The lower end of the bottom plate 2 is provided with a sewage collecting pipe 26 connected with the sewage discharge port 22, and the upper end surface of the water storage tank 20 is provided with a sewage collecting box 23 with an opening at the upper end.

Further, referring to fig. 5, a connecting pipe 25 communicated with the water storage tank 20 is arranged at the bottom of the dirt collecting box 23, a dirt collecting frame 24 is installed in the dirt collecting box 23, the lower end of the dirt collecting pipe 26 is positioned right above the dirt collecting frame 24, impurities entering the drain outlet 22 can enter the dirt collecting frame 24 of the dirt collecting box 23 through the dirt collecting pipe 26 to be collected, and meanwhile filtered rainwater can enter the water storage tank 20 through the connecting pipe 25 to be stored.

Referring to fig. 6 and 7, a dirt collecting device for collecting sundries is arranged in the dirt collecting groove 8, the dirt collecting device comprises two filter plates 27 placed on the enclosing barrier 21, and the two filter plates 27 are symmetrically arranged. The side of the two short side plates 5 adjacent to each other is provided with a support step 28 for supporting the filter plate 27. When the two filter plates 27 are in a horizontal state, the ends of the two filter plates 27 close to each other are abutted against the surrounding barrier 21, and the ends of the two filter plates 27 far away from each other are respectively abutted against a supporting step 28. When rainwater carrying impurities enters the sewage collecting tank 8, the filter plate 27 can intercept the impurities in the rainwater on the filter plate 27, and the filtered rainwater passes through the filter plate 27 and flows back to the water collecting tank 7 to be discharged into the water storage tank 20 through the drain pipe 19 for storage.

Referring to fig. 6 and 7, the bottom of the two filter plates 27 far away from one end is hinged with a push rod 29, a through hole 30 for sliding connection of the push rod 29 is formed in the supporting step 28 along a direction perpendicular to the bottom plate 2, and one end of the push rod 29 extends out of the lower end face of the bottom plate 2. Two short edges of the lower end surface of the bottom plate 2 are both vertically provided with hinged seats 31, and a linkage rod 32 is rotatably connected between the two hinged seats 31. Specifically, the linkage rod 32 is parallel to the wheel axle 14, and two ends of the linkage rod 32 are rotatably connected to the hinge seats 31 through bearings, so as to reduce frictional resistance between the linkage rod 32 and the hinge seats 31. The linkage rod 32 is provided with two cams 33, and the two cams 33 are respectively abutted against the end part of one push rod 29. The dirt collecting device also comprises a driving component for driving the linkage rod 32 to rotate. When the driving component drives the linkage rod 32 to rotate, the linkage rod 32 can drive the cam 33 to rotate, and the filter plate 27 is pushed to slide up and down through the cam 33. In the process of sliding one end of the filter plate 27 upwards, the opening at the upper end of the enclosure 21 can be opened, so that the garbage enters the enclosure 21 from the opening and is discharged from the sewage discharge port 22.

Referring to fig. 6 and 8, the driving assembly includes a first pulley 34 welded to two ends of the linkage rod 32 extending out of the hinge seat 31, second pulleys 35 are welded to one ends of the two wheel shafts 14 extending out of the short side plate 5, a linkage belt 36 is wound between the first pulley 34 and the second pulley 35, and the linkage belt 36 may be a belt or a belt rope. When the waterwheel 12 rotates under the action of rainwater, the wheel axle 14 can drive the linkage rod 32 to synchronously rotate through the linkage belt 36, so that the cam 33 on the linkage rod 32 drives the push rod 29 to move up and down. In order to make the second belt wheel 35 rotate the first belt wheel 34 more laborsavingly, the diameter of the second belt wheel 35 is smaller than that of the first belt wheel 34.

Referring to fig. 6 and 7, a scraper 37 is slidably connected to an upper end surface of the filter plate 27, and the scraper 37 pushes impurities attached to the filter plate 27 toward the drain port 22 during the sliding process. Specifically, the support plates 40 are vertically disposed at both long sides of the filter plate 27, and the scraper 37 is disposed between the two support plates 40. Both ends of scraper blade 37 all are provided with and are cylindric guiding axle 39, all offer the guiding hole 38 that supplies guiding axle 39 sliding connection on two backup pads 40, and guiding hole 38 extends along the length direction of backup pad 40 for guiding axle 39 can be followed the length direction of guiding hole 38 and slided. One side that filter separator 6 and second long curb plate 4 are close to mutually all is seted up and is supplied guide shaft 39 sliding connection's guide way 41, and the part that guide way 41 is close to short curb plate 5 one end is the arc structure. During rotation of the filter plate 27 from the horizontal to the maximum inclination angle, the guide shaft 39 can move along the guide groove 41 from the end of the support plate 40 close to the short side plate 5 to the end away from the short side plate 5, so that the scraper 37 pushes the foreign matter on the filter plate 27 toward the enclosure 21.

Further, referring to fig. 7 and 8, the side where the two scrapers 37 depart from each other is provided with an arc surface 45, and when the scrapers 37 move towards the short side plate 5, the impurities on the filter plate 27 can be transited to the side where the scrapers 37 depart from the short side plate 5 through the arc surface 45, so that the residues of the impurities on the filter plate 27 are reduced.

Referring to fig. 2 and 3, in order to reduce the impurities from entering the gutter 1 from the upper end of the gutter 1, the upper end of the second long side plate 4 is integrally formed with a cover 42 extending toward the roof 10, and a gap for rainwater to enter the gutter 1 is left between the cover 42 and the roof 10.

The implementation principle of the embodiment 1 of the application is as follows:

when rainwater is guided into the gutter 1 from the guide plate 17 of the roof 10, the filtered rainwater enters the water tank 15, the waterwheel 12 rotates, the linkage rod 32 is driven to rotate through the linkage belt 36, the cam 33 on the linkage rod 32 drives the push rod 29 to slide up and down, one end of the filter plate 27 slides up and down, in the process that the filter plate 27 slides up and down, the scraper 37 can push sundries attached to the filter plate 27 to the enclosing baffle 21, the sundries enter the sewage discharge port 22 through the opened enclosing baffle 21, and the filtered rainwater is discharged into the sewage collection frame 24 from the sewage collection pipe 26 to be collected. When the garbage in the garbage collection frame 24 is fully piled, the worker can take out the garbage collection frame 24 for cleaning. Rainwater filtered in the gutter 1 can be stored in the water storage tank 20 through the drain pipe 19.

Example 2

Referring to fig. 9, the difference from embodiment 1 is that: the driving assembly comprises a driving motor 43, a mounting plate 44 is vertically connected to the outer side of one of the hinged seats 31, the driving motor 43 is fixedly mounted on the mounting plate 44, first pulleys 34 are welded at two ends of the linkage rod 32, and one end of an output shaft of the driving motor 43 is fixedly connected with one end of the linkage rod 32. The ends of the two wheel shafts 14 extending out of the short side plates 5 are respectively welded with a second belt wheel 35, and a linkage belt 36 is wound between the first belt wheel 34 and the second belt wheel 35.

The implementation principle of embodiment 2 of the present application is as follows:

in rainy days, the driving motor 43 can be started, the linkage rod 32 is driven to rotate through the driving motor 43, the linkage belt 36 is used for driving the second belt wheel 35 and the wheel shaft 14 to rotate, the waterwheel 12 rotates towards the direction of the sewage collecting groove 8, sundries on the filter screen 16 are conveyed to the sewage collecting groove 8 to be collected, meanwhile, the waterwheel 12 can discharge rainwater in the water tank 15 towards the direction of the filter partition board 6 in the rotating process, and the garbage attached to the filter partition board 6 is washed away, so that the sundries are not easy to attach to the filter partition board 6.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a green building roof rainwater recycle system, sets up eaves gutter (1) that is used for collecting the rainwater including the level in roof (10) lower extreme, its characterized in that: the gutter (1) comprises a bottom plate (2) in a cuboid structure, short side plates (5) vertically arranged on two short side edges of the bottom plate (2), and a first long side plate (3) and a second long side plate (4) vertically arranged on two long side edges of the bottom plate (2); the bottom plate (2) is also vertically provided with a filtering clapboard (6) which extends along the length direction of the bottom plate (2); a water collecting groove (7) for collecting rainwater is formed between the filtering partition plate (6) and the first long side plate (3), and a sewage collecting groove (8) for collecting sundries is formed between the filtering partition plate (6) and the second long side plate (4);

the rainwater collecting device is characterized in that a water wheel (12) is rotatably connected to the notch of the water collecting tank (7), the water wheel (12) comprises a wheel body (13) and wheel shafts (14) arranged on two sides of the wheel body (13), the two wheel shafts (14) are respectively rotatably connected with one short side plate (5), water grooves (15) are uniformly distributed on the outer circumferential side of the wheel body (13) in the circumferential direction, a filter screen (16) is wound on the outer circumferential side of the wheel body (13) in the circumferential direction, and a guide plate (17) which abuts against the outer side of the filter screen (16) and is used for guiding rainwater into the water grooves (15) to enable the wheel body (13) to rotate towards the direction of the filter partition plate (6) is obliquely arranged at the lower end of the roof (10); the upper end of the filtering clapboard (6) is tangent with the filtering net (16) to guide the sundries into the dirt collecting groove (8);

a dirt collecting device for collecting sundries is arranged in the dirt collecting groove (8); the bottom of the water collecting tank (7) is connected with a drain pipe (19), and the lower end of the drain pipe (19) is connected with a water storage tank (20); a sewage draining outlet (22) is formed in the middle of the bottom of the sewage collecting tank (8), a sewage collecting pipe (26) connected with the sewage draining outlet (22) is arranged at the lower end of the bottom plate (2), an upwardly extending baffle (21) is arranged at the edge of the sewage draining outlet (22), a sewage collecting box (23) with an opening at the upper end is arranged on the upper end surface of the water storage tank (20), a connecting pipe (25) communicated with the water storage tank (20) is arranged at the bottom of the sewage collecting box (23), a sewage collecting frame (24) used for filtering sundries is arranged in the sewage collecting box (23), and the lower end of the sewage collecting pipe (26) is located right above the sewage collecting frame (24);

the sewage collecting device comprises two filter plates (27) arranged on the enclosure (21), the two filter plates (27) are symmetrically arranged, and one side of each short side plate (5) close to the corresponding short side plate is provided with a supporting step (28) for supporting the corresponding filter plate (27); when the two filter plates (27) are in a horizontal state parallel to the bottom plate (2), the ends, close to each other, of the two filter plates (27) are abutted against the surrounding baffle (21), and the ends, far away from each other, of the two filter plates (27) are abutted against one supporting step (28);

the bottoms of the two filter plates (27) far away from one end are hinged with push rods (29), the supporting steps (28) penetrate through holes (30) for the sliding connection of the push rods (29) along the direction vertical to the bottom plate (2), and one end of each push rod (29) extends out of the corresponding through hole (30); the lower part of the bottom plate (2) of the push rod (29) is rotatably connected with a linkage rod (32) parallel to the wheel shaft (14), two cams (33) are arranged on the linkage rod (32), the two cams (33) are respectively abutted against the end part of one push rod (29), and the dirt collecting device further comprises a driving component for driving the linkage rod (32) to rotate so that the cams (33) push the push rod (29) to slide up and down.

2. The green building roof rainwater recycling system according to claim 1, characterized in that: the upper end surface of the filter plate (27) is connected with a scraper (37) in a sliding way, and the scraper is used for pushing sundries to the sewage discharge port (22); supporting plates (40) are vertically arranged on two side edges of the filtering plate (27), the scraping plates (37) are positioned between the two supporting plates (40), and arc surfaces (45) are arranged on the sides, which are far away from the two scraping plates (37); guide shafts (39) protrude from two ends of the scraper (37), guide holes (38) which extend along the length direction of the support plates (40) and are used for the guide shafts (39) to be in sliding connection are formed in the two support plates (40), and guide grooves (41) for the guide shafts (39) to be in sliding connection are formed in the sides, close to the second long side plate (4), of the filtering partition plate (6); when the filter plates (27) rotate to the maximum inclination angle from the horizontal state, the guide shafts (39) can move from one end of the support plate (40) close to the short side plate (5) to one end close to the fence (21) along the guide grooves (41).

3. The green building roof rainwater recycling system according to claim 1, characterized in that: the two ends of the lower end face of the bottom plate (2) are provided with hinged seats (31), and the two ends of the linkage rod (32) are rotatably connected with the hinged seats (31) through bearings.

4. The green building roof rainwater recycling system according to claim 3, characterized in that: the driving assembly comprises first belt wheels (34) fixedly connected to two ends of a linkage rod (32), second belt wheels (35) are fixedly connected to one ends of the two wheel shafts (14) extending out of the short side plates (5), and linkage belts (36) are wound between the first belt wheels (34) and the second belt wheels (35).

5. The system of claim 3, wherein the system comprises: the drive assembly is including erectting in driving motor (43) in articulated seat (31) the outside, the first band pulley of the equal fixedly connected with in gangbar (32) both ends (34), the output shaft of driving motor (43) and the one end fixed connection of gangbar (32), two the equal fixedly connected with second band pulley (35) of one end that short side plate (5) are stretched out in shaft (14), around being equipped with linkage area (36) between first band pulley (34) and second band pulley (35).

6. The green building roof rainwater recycling system according to claim 4, wherein: the diameter of the second belt wheel (35) is smaller than that of the first belt wheel (34).

7. The green building roof rainwater recycling system according to claim 6, wherein: the upper end of the filtering clapboard (6) is provided with a guide surface (18) which inclines downwards towards the direction of the sewage collecting groove (8).

8. The system of claim 1, wherein the system comprises: be provided with on the long curb plate of second (4) and be used for preventing debris from getting into sunshade (42) in eaves gutter (1) from the upper end, be formed with the space that supplies the rainwater to get into in eaves gutter (1) between sunshade (42) and roof (10).