CN115538521A - Green building rainwater recovery method - Google Patents

Abstract

The invention discloses a green building rainwater recovery method, which is characterized in that a drainage funnel arranged on the roof is used for recovering rainwater, a first adjusting mechanism for accelerating rainwater discharge of the building roof along with the precipitation is arranged in the drainage funnel, the bottom end of the drainage funnel is fixedly connected with an installation pipe, the bottom end of the installation pipe is in through connection with a storage tank for primarily collecting rainwater, the lower surface of the storage tank is in through connection with a second connecting pipe, the second connecting pipe is in through connection with an installation pipe supported and fixed by an external support, at least five vertical standing pipes which are used for standing and separating rainwater and are mutually through are distributed on the outer contour of the installation pipe at intervals, and a second adjusting mechanism for adjusting the capacity of the standing pipes along with the precipitation is arranged in the standing pipes. The invention automatically adjusts through the first adjusting mechanism, accelerates the drainage speed of the accumulated rainwater on the building floor, has the advantages of automatically adjusting the drainage speed, automatically adjusting the standing storage space and automatically standing, and solves the problems in the background art.

Description

Green building rainwater recovery method

Technical Field

The invention relates to the technical field of green buildings, in particular to a method for recovering rainwater of a green building.

Background

In the process of designing a building by a green building, resources generated outside the building are calculated in a resource range utilized by the green building, so that rainwater is also an important part of resource recovery of the green building, an existing rainwater collecting system needs driving energy, and after rain, wastewater is continuously pumped for conveying and separating, so that the energy waste is large.

Most of the existing recovery methods are used for conveying and recovering through a drainage pipeline arranged on the roof of a building, and the drainage speed is difficult to automatically adjust according to the accumulation amount of rainwater on the roof of the building in the actual recovery process, so that a recovery method capable of automatically adjusting according to the accumulation amount of rainwater on the roof is provided.

Disclosure of Invention

The invention aims to provide a method for recovering rainwater of a green building, which has the advantages of automatically adjusting the drainage speed, automatically adjusting the standing storage space and automatically standing, and solves the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a green building rainwater recovery method, the recovery method is retrieved through the drainage funnel that sets up at the roof, be provided with in the drainage funnel and accelerate building roof rainwater drainage's adjustment mechanism one along with the precipitation, drainage funnel's bottom fixedly connected with installation pipe, the bottom through connection of installation pipe has the bin of carrying out preliminary collection to the rainwater, the lower surface through connection of bin has connecting pipe two, connecting pipe two through connection has the installation pipe of being supported fixedly by the external support, interval distribution is gone up on the installation pipe outline has and is no less than five and be vertical setting and be used for the standing separation rainwater and the pipe that stews each other, it is provided with along with the precipitation to its adjustment mechanism two of capacity modulation to it to stew intraductal, the recovery method includes following concrete step:

s1, primary collection: rainwater on the building roof flows into the first connecting pipe through the drainage funnel and then flows into the storage tank through the first connecting pipe, and rainwater collection is completed preliminarily;

s1, automatic adjustment: along with the rainfall size carries out automatically regulated, when the accumulational rainwater of roof was too much, through adjustment mechanism one accelerate the rainwater from drainage funnel to the speed that the bin flows, realize the emission of the rainwater of automatic acceleration building roof, then flow into to the pipe of stewing and stew the separation and stew a tub automatically regulated.

Preferably, the standing separation in S2: rainwater stored in the storage tank enters the mounting pipe through the second connecting pipe, then the rainwater in the mounting pipe enters at least five standing pipes through the principle of a communicating vessel, automatic standing of the rainwater is achieved, impurities in the standing pipes are precipitated in the mounting pipe, and impurities carried in the rainwater are separated;

and (3) automatic adjustment of a standing pipe in the step S2: when the water stored in the storage tank is excessive, the standing storage space in the standing pipes is automatically adjusted to be enlarged by the adjusting mechanism, so that rainwater in the standing pipes is prevented from not finishing standing separation and flowing out.

Preferably, the first adjusting mechanism comprises two semicircular sheets rotatably connected with the inner wall of the opening of the drainage funnel, the lower surfaces of the semicircular sheets are symmetrically provided with two connecting sheets, the two connecting sheets are respectively rotatably connected with a collecting box for pulling the semicircular sheets to deflect through a pin shaft, and the bottom of the collecting box is provided with a drainage hole for draining water.

Preferably, two the equal fixedly connected with in tip of semicircle piece runs through the outside axis of rotation that extends of drainage funnel, drainage funnel's tip fixedly connected with separation blade is kept away from to the axis of rotation, the axis of rotation is located the cover and is equipped with the torsional spring on the outline between drainage funnel and the separation blade, the one end and the drainage funnel outer wall fixed connection of torsional spring, the other end and the separation blade fixed connection of torsional spring.

Preferably, the adjusting mechanism two includes that it is used for the connecting pipe four and the connecting pipe three that communicate to be located between the adjacent pipe that stews, the interval sets up about connecting pipe four and connecting pipe three are, it has communicating pipe one and communicating pipe two that correspond with connecting pipe four and connecting pipe three to link up on the outline of pipe to stew, communicating pipe one and communicating pipe two link up jointly and have the collecting box that the rainwater after standing still in the pipe that stews.

Preferably, the intraductal seal cover that is provided with and blocks up connecting pipe three and control the water yield of stewing, seal cover inner wall fixedly connected with link, fixedly connected with runs through the outside catch bar that extends in pipe top of stewing on the link, the equal common fixedly connected with in top of catch bar sets up the connecting plate in bin one side.

Preferably, four diagonal edges of the lower surface of the storage box are fixedly connected with telescopic columns, the telescopic columns are penetrated and are in limited sliding connection with connecting columns, and the telescopic columns are located on the outer contour between the connecting columns and the storage box and are sleeved with springs.

Preferably, the dead axle rotates in the installation pipe and is connected with the spiral feed rod that prevents to stew the debris jam pipe that stews, the axle head of spiral feed rod runs through the installation pipe and outwards extends and fixedly connected with gear, the lower fixed surface of bin is connected with and gear engagement's rack, the one end that the gear was kept away from to the installation pipe is installed and is carried out confined sealed lid to the installation pipe.

Preferably, the pipe diameter of the first connecting pipe is larger than that of the second connecting pipe, and the first connecting pipe and the second connecting pipe are hoses.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, by arranging the first adjusting mechanism, when the rainwater on the building floor is accumulated too much, the first adjusting mechanism automatically adjusts, so that the drainage speed of the accumulated rainwater on the building floor is increased, and the accumulated rainwater can quickly flow into the storage tank for storage;

2. according to the invention, by arranging the second adjusting mechanism, when the water stored in the storage tank is excessive, the standing storage space in the standing pipes is automatically adjusted to be enlarged by the second adjusting mechanism, so that rainwater in the standing pipes is prevented from not standing completely, mixing with sundries and flowing out;

3. rotate and stir the impurity that is located the installation pipe through the spiral feed rod, prevent that the installation is intraductal to accumulational impurity to causing the jam to the pipe that stews, realize being convenient for the intraductal rainwater of installation to the intraductal flow that stews.

Drawings

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic front view of the structure of FIG. 1 according to the present invention;

FIG. 4 is a schematic cross-sectional view of FIG. 3 according to the present invention;

FIG. 5 is a schematic view of the drain funnel of the present invention;

FIG. 6 is a first perspective view of an adjusting mechanism according to the present invention;

FIG. 7 is an enlarged view of the structure at A of FIG. 4 according to the present invention;

fig. 8 is a schematic perspective view of the sealing sleeve of the present invention.

In the figure: 1. a storage tank; 2. a first connecting pipe; 3. a drainage funnel; 4. a second connecting pipe; 5. installing a pipe; 6. standing the tube; 7. a first communicating pipe; 8. a second communicating pipe; 9. a collection box; 10. a connecting plate; 11. a push rod; 12. a baffle plate; 13. connecting columns; 14. a telescopic column; 15. a spring; 16. a screw feed rod; 17. a semicircular sheet; 18. a rotating shaft; 19. a torsion spring; 20. connecting sheets; 21. a collection box; 22. a drain hole; 23. sealing sleeves; 24. a third connecting pipe; 25. a connecting frame; 26. a rack; 27. a gear; 28. a fourth connecting pipe; 29. and (7) sealing the cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1 to 8, the present invention provides a technical solution: the utility model provides a green building rainwater recovery method, the recovery method is retrieved through the drainage funnel 3 that sets up at the roof, be provided with the adjustment mechanism one that accelerates building roof rainwater along with the precipitation in the drainage funnel 3, the bottom fixedly connected with installation pipe 5 of drainage funnel 3, the bottom through connection of installation pipe 5 has bin 1 that carries out preliminary collection to the rainwater, the lower surface through connection of bin 1 has connecting pipe two 4, connecting pipe two 4 through connection has the installation pipe 5 of being supported fixedly by the external support, interval distribution is gone up on the installation pipe 5 outline has and is no less than five to be vertical setting and be used for the separation rainwater that stews and the pipe 6 that stews that link up each other, it is provided with the adjustment mechanism two to its capacity modulation along with the precipitation in the pipe 6 to stew, the recovery method includes following concrete step:

s1, primary collection: rainwater on the roof of the building flows into the first connecting pipe 2 through the drainage funnel 3 and then flows into the storage tank 1 through the first connecting pipe 2, and rainwater collection is completed preliminarily;

s2, automatic adjustment: along with the rainfall size carries out automatically regulated, when the accumulational rainwater of roof was too much, through adjustment mechanism one accelerate the rainwater from drainage funnel 3 to the speed that bin 1 flows, realize the emission of the rainwater of automatic acceleration building roof, then flow into to the pipe 6 that stews and stew the separation and stew 6 automatically regulated of pipe.

Too much is piled up to the rainwater when building floor, adjustment mechanism one is automatic to be adjusted, accelerate the emission speed of the accumulational rainwater of building floor, make it flow into fast and store in bin 1, then the rainwater in bin 1 slowly flows into to installation pipe 5 in through connecting pipe two 4, the rainwater slowly flows into through installation pipe 5 and is no less than five pipe 6 that stews, the separation of standing realizes, be provided with adjustment mechanism two in the pipe 6 through stewing, when the water yield of storing in bin 1 is too much, stew the storage space in the pipe 6 through two pairs of adjustment mechanism of stewing and adjust automatically and make its grow, prevent that the rainwater in the pipe 6 that stews is not accomplished to stew and mixes with debris and flows.

Standing and separating in S2: rainwater stored in the storage box 1 enters the installation pipe 5 through the second connecting pipe 4, then the rainwater in the installation pipe 5 enters at least five standing pipes 6 through the communicating vessel principle, automatic standing of the rainwater is achieved, impurities in the standing pipes 6 are precipitated in the installation pipe 5, and impurities carried in the rainwater are separated;

the standing pipe 6 in the S2 is automatically adjusted: when the water stored in the storage tank 1 is excessive, the standing storage space in the standing pipe 6 is automatically adjusted to be enlarged by the adjusting mechanism, so that rainwater in the standing pipe 6 is prevented from not standing, separating and flowing out.

Referring to fig. 1, 5 and 6, the first adjusting mechanism includes two semicircular plates 17 rotatably connected to an inner wall of an opening of the drainage funnel 3, two connecting plates 20 are symmetrically disposed on a lower surface of the semicircular plates 17, the two connecting plates 20 are rotatably connected to a collecting box 21 for pulling the semicircular plates 17 to deflect through a pin shaft, and a drain hole 22 for draining water is formed at a bottom of the collecting box 21.

Too much is piled up to the rainwater when building floor, an adjustment mechanism is automatic to be adjusted, a plurality of through-holes that the rainwater was seted up through two semicircle pieces 17 surfaces flow in to the collection box 21 that is located the semicircle piece 17 lower surface, when the rainwater volume was greater than the drainage of the drainage hole 22 of setting up bottom the collection box 21 in the box 21 was collected in the inflow, the rainwater in the collection box 21 increases and under the effect of gravity along with the time, pulling semicircle piece 17 rotates, make semicircle piece 17 swing in drainage funnel 3 and open, accelerate the discharge velocity of building floor's the rainwater of piling up, make its flow in to store in 1 fast.

Referring to fig. 1, 5 and 6, the end portions of the two semi-circular plates 17 are fixedly connected with rotation shafts 18 extending outwards through the drainage funnel 3, the end portions of the rotation shafts 18 far away from the drainage funnel 3 are fixedly connected with the blocking pieces 12, the outer contour of the rotation shafts 18 between the drainage funnel 3 and the blocking pieces 12 is sleeved with torsion springs 19, one ends of the torsion springs 19 are fixedly connected with the outer wall of the drainage funnel 3, and the other ends of the torsion springs 19 are fixedly connected with the blocking pieces 12.

The torsion spring 19 is sleeved on the outer contour between the drainage funnel 3 and the blocking piece 12 through the rotating shaft 18, under the action of the torsion spring 19, the two semi-circular pieces 17 can be automatically reset, and the two semi-circular pieces 17 are in a relatively horizontal closed state under the condition of less rainwater.

Referring to fig. 1, 4 and 7, the second adjusting mechanism includes a fourth connecting pipe 28 and a third connecting pipe 24 which are located between adjacent standing pipes 6 and are used for communicating with each other, the fourth connecting pipe 28 and the third connecting pipe 24 are arranged at intervals from top to bottom, a first communicating pipe 7 and a second communicating pipe 8 which correspond to the fourth connecting pipe 28 and the third connecting pipe 24 are connected to the outer contour of the standing pipe 6 in a penetrating manner, and the first communicating pipe 7 and the second communicating pipe 8 are connected to a collecting box 9 which collects rainwater in the standing pipe 6 in a penetrating manner.

Through being provided with connecting pipe four 28 and connecting pipe three 24 that are used for the intercommunication between the pipe 6 of stewing, be interval setting from top to bottom through connecting pipe four 28 and connecting pipe three 24, when connecting pipe three 24 is stopped up, the rainwater in the pipe 6 of stewing communicates through connecting pipe four 28 each other under the effect of linker principle, then flow into in the collecting box 9 through communicating pipe one 7 that connecting pipe four 28 corresponds, when connecting pipe three 24 is not stopped up, the rainwater in the pipe 6 of stewing communicates through connecting pipe three 24 each other under the effect of linker principle, then flow into in the collecting box 9 through communicating pipe two 8 that connecting pipe three 24 corresponds, the realization will be stood the rainwater after filtering and carry and collect in collecting box 9.

Example two

On the basis of the first embodiment, further:

referring to fig. 4, 7 and 8, a sealing sleeve 23 for blocking a third connecting pipe 24 and controlling the amount of the stored standing water is arranged in the standing pipe 6, a connecting frame 25 is fixedly connected to the inner wall of the sealing sleeve 23, a push rod 11 extending outwards through the top end of the standing pipe 6 is fixedly connected to the connecting frame 25, and the top ends of the push rods 11 are fixedly connected to a connecting plate 10 arranged on one side of the storage box 1.

Be provided with in the pipe 6 of stewing and block up connecting pipe three 24 and control the seal cover 23 of the water yield of stewing of storage, when connecting plate 10 promotes the catch bar 11 that is located the pipe 6 of stewing to remove, remove and promote the seal cover 23 through catch bar 11 and remove in the pipe 6 of stewing, when seal cover 23 removes and blocks up connecting pipe three 24 to being close to connecting pipe three 24, can prevent that adjacent pipe 6 of stewing from carrying out the intercommunication through connecting pipe three 24, only communicate through connecting pipe four 28 that is higher than on connecting pipe three 24, the realization improves the capacity of stewing to the rainwater, the time that the extension rainwater was stood, prevent that the rainwater of separation of not stewing from directly flowing into in the collecting box 9.

Example two

On the basis of the first embodiment, further:

referring to fig. 3 and 4, the four diagonal edges of the lower surface of the storage box 1 are fixedly connected with telescopic columns 14, the telescopic columns 14 are respectively penetrated through and connected with a connecting column 13 in a limiting sliding manner, and springs 15 are sleeved on the outer contour of the telescopic columns 14 between the connecting column 13 and the storage box 1.

The spring 15 is sleeved on the outer contour of the telescopic column 14 between the connecting column 13 and the storage box 1, when the rainwater accumulation amount on the floor is too large, and the rainwater quickly flows into the storage box 1 under the action of the adjusting mechanism I, the weight of the storage box 1 is increased quickly, the storage box 1 overcomes the elastic force of the spring 15 to move downwards under the action of gravity, and the connecting plate 10 fixedly connected with the storage box 1 at the moment pushes the push rod 11 to move and enlarges the standing capacity in the standing pipe 6.

EXAMPLE III

On the basis of the second embodiment, further:

referring to fig. 2 and 4, a spiral feeding rod 16 for preventing the static pipe 6 from being blocked by the static impurities is rotatably connected to the mounting pipe 5 in a rotating mode, the shaft end of the spiral feeding rod 16 penetrates through the mounting pipe 5 to extend outwards and is fixedly connected with a gear 27, a rack 26 meshed with the gear 27 is fixedly connected to the lower surface of the storage box 1, and a sealing cover 29 for sealing the mounting pipe 5 is installed at one end, far away from the gear 27, of the mounting pipe 5.

When bin 1 moved under the action of gravity, can make rack 26 with bin 1 lower surface fixed connection promote the gear 27 with it meshing and carry out slight rotation, through the slight rotation of gear 27, can make the spiral feed rod 16 with the coaxial fixed connection of gear 27 carry out slight rotation in installation pipe 5, rotate and stir the impurity that is located installation pipe 5 through spiral feed rod 16, prevent to lead to the fact the jam to pipe 6 that stews to accumulational impurity in the installation pipe 5, the realization is convenient for the rainwater in the installation pipe 5 to the pipe 6 that stews flows, through dismantling sealed lid 29 and partial part and rotating spiral feed rod 16, be convenient for carry out periodic washing in the installation pipe 5.

Referring to fig. 1 and 4, the diameter of the first connecting pipe 2 is greater than that of the second connecting pipe 4, and the first connecting pipe 2 and the second connecting pipe 4 are hoses.

The pipe diameter through connecting pipe one 2 is greater than the pipe diameter of connecting pipe two 4, the velocity of flow in realizing connecting pipe two 4 is less than the velocity of flow in connecting pipe one 2, the velocity of flow that makes connecting pipe one 2 when two semicircle pieces 17 open is greater than the velocity of flow of connecting pipe two 4, can make the rainwater tentatively store in connecting pipe two 4, be the hose through connecting pipe one 2 and connecting pipe two 4, prevent that bin 1 when moving as a whole, connecting pipe one 2 and connecting pipe two 4 cause it to interfere.

The working principle is as follows: this green building rainwater recovery method, retrieve through setting up drainage funnel 3 at the roof during the use, it is too much to pile up as the rainwater of building floor, adjustment mechanism one is automatic to be adjusted, the rainwater flows in to the collection box 21 that is located the semicircle 17 lower surface through a plurality of through-holes that two semicircle 17 surfaces were seted up, the rainwater is greater than the drainage of collecting the drainage hole 22 that the box 21 bottom was seted up in the box 21 is collected in the inflow, the rainwater in collecting the box 21 increases and under the effect of gravity along with time, pulling semicircle 17 rotates, make semicircle 17 swing in drainage funnel 3 and open, accelerate the discharge velocity of the accumulational rainwater of building floor, make it flow into to store in the bin 1 fast.

The rainwater of storing in the bin 1 enters into installation pipe 5 through connecting pipe two 4 in, then through the communicating vessel principle, makes the rainwater in the installation pipe 5 enter into to be no less than five pipe 6 that stews, realizes stewing to the automation of rainwater, makes the impurity that stews in the pipe 6 deposit in installation pipe 5, carries the separation of debris in to the rainwater.

Along with the rainwater that collects in the bin 1 is more and more, the rainwater speed of collecting in the bin 1 is greater than the speed that the second 4 of connecting pipe discharged to the installation pipe 5 in, and bin 1 wholly descends under the effect of gravity, and bin 1 overcomes the elasticity downward movement of spring 15.

At this moment, the connecting plate 10 fixedly connected with the storage box 1 pushes the push rod 11 to move, the sealing sleeve 23 is moved and pushed through the push rod 11 to move in the static pipe 6, when the sealing sleeve 23 moves to the position close to the third 24 of the connecting pipe and blocks up the third 24 of the connecting pipe, the adjacent static pipe 6 can be prevented from being communicated through the third 24 of the connecting pipe, the communication is realized through the fourth 28 of the connecting pipe higher than the third 24 of the connecting pipe, the capacity of static rainwater is improved, the time of static rainwater is prolonged, and the rainwater which is not subjected to static separation is prevented from directly flowing into the collecting box 9.

When connecting pipe three 24 is blocked up, the rainwater in the pipe 6 that stews communicates each other through connecting pipe four 28 under the effect of linker principle, then flow into in collecting box 9 through the communicating pipe one 7 that connecting pipe four 28 corresponds, when connecting pipe three 24 is not blocked up, the rainwater in the pipe 6 that stews communicates each other through connecting pipe three 24 under the effect of linker principle, then flow into in collecting box 9 through the communicating pipe two 8 that connecting pipe three 24 corresponds, the realization will stew the rainwater after filtering and carry and collect in collecting box 9.

Simultaneously when bin 1 moves under the action of gravity, can make rack 26 with bin 1 fixed surface promote the gear 27 of meshing with it and carry out slight rotation, through the slight rotation of gear 27, can make the spiral feed rod 16 with the coaxial fixed connection of gear 27 carry out slight rotation in installation pipe 5, rotate and stir the impurity that is located installation pipe 5 through spiral feed rod 16, prevent to lead to the fact the jam to pipe 6 that stews to accumulational impurity in the installation pipe 5, the rainwater that the realization is convenient for in the installation pipe 5 flows to the pipe 6 that stews.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. A method for recovering rainwater of green buildings is characterized by comprising the following steps: the recovery method comprises the following steps of recovering through a drainage funnel (3) arranged on the roof, wherein a first adjusting mechanism for accelerating rainwater emission of the roof of the building along with the precipitation is arranged in the drainage funnel (3), a mounting pipe (5) is fixedly connected to the bottom end of the drainage funnel (3), a storage box (1) for primarily collecting rainwater is connected to the bottom end of the mounting pipe (5) in a penetrating manner, a second connecting pipe (4) is connected to the lower surface of the storage box (1) in a penetrating manner, the second connecting pipe (4) is connected with a mounting pipe (5) which is fixedly supported by an external support in a penetrating manner, at least five standing pipes (6) which are vertically arranged and used for standing and separating rainwater and are mutually communicated are distributed on the outer contour of the mounting pipe (5) at intervals, a second adjusting mechanism for adjusting the capacity of the standing pipe along with the precipitation is arranged in the standing pipe (6), and the recovery method comprises the following specific steps:

s1, primary collection: rainwater on the roof of a building flows into the first connecting pipe (2) through the drainage funnel (3), and then flows into the storage tank (1) through the first connecting pipe (2), so that the rainwater is collected preliminarily;

s2, automatic adjustment: along with the rainfall size carries out automatically regulated, when the accumulational rainwater of roof was too much, through adjustment mechanism one accelerate the rainwater from drainage funnel (3) to the speed that bin (1) flows, realize the emission of the rainwater of automatic acceleration building roof, then flow into to the pipe (6) of stewing and stew the separation and stew pipe (6) automatically regulated.

2. The method for recovering rainwater of green buildings according to claim 1, characterized in that:

and (3) standing separation in S2: rainwater stored in the storage box (1) enters the installation pipe (5) through the second connecting pipe (4), then the rainwater in the installation pipe (5) enters at least five standing pipes (6) through the communicating vessel principle, automatic standing of the rainwater is achieved, impurities in the standing pipes (6) are precipitated in the installation pipe (5), and impurities carried in the rainwater are separated;

the standing pipe (6) in the S2 is automatically adjusted: when the water stored in the storage tank (1) is excessive, the standing storage space in the two pairs of standing pipes (6) is automatically adjusted to be enlarged through the adjusting mechanism, so that rainwater in the standing pipes (6) is prevented from not standing, separating and flowing out.

3. The method for recovering rainwater of green buildings according to claim 2, characterized in that: the first adjusting mechanism comprises two semicircular pieces (17) rotatably connected with the inner wall of the opening of the drainage funnel (3), two connecting pieces (20) are symmetrically arranged on the lower surface of each semicircular piece (17), the two connecting pieces (20) are respectively rotatably connected with a collection box (21) for pulling the semicircular pieces (17) to deflect through pin shafts, and drainage holes (22) for draining water are formed in the bottom of the collection box (21).

4. The method for recovering rainwater of green buildings according to claim 3, characterized in that: the end parts of the two semicircular sheets (17) are fixedly connected with rotating shafts (18) which penetrate through the drainage funnel (3) and extend outwards, the end parts, far away from the drainage funnel (3), of the rotating shafts (18) are fixedly connected with blocking pieces (12), torsion springs (19) are sleeved on the outer contours, located between the drainage funnel (3) and the blocking pieces (12), of the rotating shafts (18), one ends of the torsion springs (19) are fixedly connected with the outer wall of the drainage funnel (3), and the other ends of the torsion springs (19) are fixedly connected with the blocking pieces (12);

the adjusting mechanism II comprises a connecting pipe IV (28) and a connecting pipe III (24) which are positioned between adjacent standing pipes (6) and used for communicating, the connecting pipe IV (28) and the connecting pipe III (24) are arranged at intervals up and down, a communicating pipe I (7) and a communicating pipe II (8) which correspond to the connecting pipe IV (28) and the connecting pipe III (24) are connected to the outer contour of each standing pipe (6) in a penetrating manner, and the communicating pipe I (7) and the communicating pipe II (8) are connected to a collecting box (9) which is used for collecting rainwater in the standing pipes (6) in a penetrating manner;

be provided with in the pipe (6) of stewing and plug up seal cover (23) that three (24) of connecting pipe and control the water yield of storing of stewing, seal cover (23) inner wall fixedly connected with link (25), fixedly connected with runs through the outside catch bar (11) that extend in pipe (6) top of stewing on link (25), equal common fixedly connected with in top of catch bar (11) sets up connecting plate (10) in bin (1) one side.

5. The method for recovering rainwater of green buildings according to claim 1, characterized in that: four diagonal edges of the lower surface of the storage box (1) are fixedly connected with telescopic columns (14).

6. The method for recovering rainwater of green buildings according to claim 5, characterized in that: flexible post (14) all run through and spacing sliding connection has spliced pole (13), flexible post (14) are located the cover and are equipped with spring (15) on the outline between spliced pole (13) and bin (1).

7. The method for recovering rainwater of green buildings according to claim 1, characterized in that: the mounting pipe (5) is rotatably connected with a spiral feeding rod (16) which prevents standing sundries from blocking the standing pipe (6) through rotating a rotating shaft.

8. The method for recovering rainwater of green buildings according to claim 7, characterized in that: the shaft end of the spiral feeding rod (16) penetrates through the installation pipe (5) to extend outwards and is fixedly connected with a gear (27), the lower surface of the storage box (1) is fixedly connected with a rack (26) meshed with the gear (27), and one end, far away from the gear (27), of the installation pipe (5) is provided with a sealing cover (29) for sealing the installation pipe (5).

9. The method for recovering rainwater of green buildings according to claim 1, characterized in that: the pipe diameter of the first connecting pipe (2) is larger than that of the second connecting pipe (4), and the first connecting pipe (2) and the second connecting pipe (4) are hoses.

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