CN111576550A - Rainwater recovery system on building roof - Google Patents

Abstract

The invention relates to a rainwater recovery system on a building roof, which comprises a planting box arranged on the roof and used for planting green plants, and further comprises a rainwater collection box arranged on the roof and used for rainwater recovery, wherein a containing box is fixedly connected between the planting box and the rainwater collection box, the containing box and the planting box form a working box together, a fixed frame is arranged at the top edge of the working box, a sealing cover assembly is connected in the fixed frame in a sliding manner, a driving assembly used for driving the sealing cover assembly to slide along the length direction of the fixed frame is arranged in the containing box, and a trigger assembly capable of triggering the driving assembly to act according to the rainwater amount collected by the sealing cover assembly is arranged on the sealing cover assembly. The rainwater collecting box has the advantages that the opening of the planting box can be closed while the opening of the rainwater collecting box is opened according to actual conditions, and plants in the planting box are protected from being blown by wind and rain while rainwater is collected.

Description

Rainwater recovery system on building roof

Technical Field

The invention relates to the technical field of municipal engineering, in particular to a rainwater recovery system on a building roof.

Background

At present, the rainwater recovery system belongs to a comprehensive system, which comprises rainwater infiltration, rainwater collection, rainwater treatment and recycling, and in the field of buildings, greening water on the roof of a common building can be irrigated by adopting rainwater collected by the rainwater recovery system.

The current chinese patent with publication number CN207969440U discloses a green roof, which comprises a planting box for planting plants, wherein rainwater falling into the planting box flows into a water storage cavity through a water permeable hole to collect the rainwater. The rainwater accessible watering device of collection spouts plants on the light soil layer of planting the incasement for planting the vegetation of planting the incasement and providing moisture, the fine water resource that has utilized the rainfall to bring has the advantage that can collect the rainwater and recycle.

The above prior art solutions have the following drawbacks: plant and plant the case and plant the plant of planting in it and all expose the setting on the roof, the rainwater can blow and plant the incasement plant when rainstorm to lead to planting the incasement plant and suffer damage, consequently, need further improvement.

Disclosure of Invention

In view of the defects in the prior art, one of the purposes of the invention is to provide a rainwater recovery system on a building roof, which is provided with a rainwater collection box and a planting box respectively on the roof, wherein the opening of the rainwater collection box can be opened and the opening of the planting box can be closed simultaneously according to actual conditions, so that rainwater can be recovered into the rainwater collection box for later watering of plants in the planting box on rainy days, and the opening of the planting box is closed, so that the plants in the planting box are protected from being blown by wind and rain.

The above object of the present invention is achieved by the following technical solutions:

a rainwater recovery system on a building roof comprises a planting box arranged on the roof and used for planting green plants, and also comprises a rainwater collection box arranged on the roof and used for recovering rainwater, a holding box is fixedly connected between the planting box and the rainwater collecting box, the holding box and the planting box form a working box together, a fixed frame is arranged at the edge of the top of the working box, a sealing cover component is connected in the fixed frame in a sliding way, a driving component for driving the cover sealing component to slide along the length direction of the fixing frame is arranged in the accommodating box, the sealing cover component is provided with a trigger component which can trigger the driving component to act according to the rainwater collected by the sealing cover component, the planting box is internally fixedly connected with a watering assembly through a clamping hook assembly, and the watering assembly is communicated with the bottom of one side of the rainwater collecting box through a communicating pipe.

Through adopting above-mentioned technical scheme, when rainy day, the rainwater of collecting on the closing cap subassembly causes trigger assembly to trigger the drive assembly action, drive assembly control closing cap subassembly slides along the length direction of fixed frame, thereby make the work box under the condition of rainy, can close the opening of planting the case when opening rainwater collecting box open-ended, on the one hand can retrieve the rainwater in the rainwater collecting box in order to be used for the later stage to plant the incasement plant usefulness through watering the subassembly watering, on the other hand will plant the opening of case and close, thereby the effect that the wind-blown rain was beaten is avoided to the plant of planting the incasement.

The present invention in a preferred example may be further configured to: the fixed frame is including setting up in the curb plate at the relative both sides top of work box and setting up in the response end plate at the relative both ends top of work box, the relative both ends of response end plate respectively with the same end vertical fixation of both sides board, two one side middle part that the response end plate is close to each other all is provided with pressure switch, two pressure switch all with drive assembly electric connection, two the relative groove that slides that sets up of notch is all seted up at one side middle part that the curb plate is close to each other, the groove that slides extends along the length direction of curb plate, the closing cap subassembly slides with the groove that slides and is connected.

Through adopting above-mentioned technical scheme, the setting of fixed frame plays the effect of certain direction for sliding of closing cap subassembly, and pressure switch's setting plays the effect of spacing closing cap subassembly to the continuous action of closing cap subassembly leads to the damage of fixed frame.

The present invention in a preferred example may be further configured to: each pressure switch is close to one side both ends of its place response end plate and all is provided with vertical forked tail block, set up the dovetail that position and forked tail block are corresponding on the response end plate, the dovetail slides with the dovetail and is connected.

By adopting the technical scheme, the dovetail block and the dovetail groove are arranged, so that the pressure switch can be conveniently installed and replaced.

The present invention in a preferred example may be further configured to: the cover sealing assembly comprises a sliding frame, a first rack and a second rack, wherein the two opposite sides of the sliding frame are respectively connected with the two sliding grooves in a sliding mode, the first rack and the second rack are respectively arranged on one side, close to one side, of the two side edges of the sliding frame, the cover plate is arranged on one side, far away from the bottom wall of the working box, of the sliding frame, and the first rack and the second rack are meshed with the driving assembly.

Through adopting above-mentioned technical scheme, drive assembly drive intermeshing's first rack and second rack to make the frame that slides slide along fixed frame, and then play control planting case and rainwater collecting box and open or closed effect.

The present invention in a preferred example may be further configured to: the cover plate is back to one side middle part of sliding the frame and has been seted up the vertical ascending water catch bowl of notch, the cover plate is back to one side of sliding the frame and has still been seted up the vertical ascending arc wall of a plurality of notches, and is a plurality of the arc wall evenly sets up along the circumferencial direction of water catch bowl, just the one end and the water catch bowl of arc wall are linked together, the arc wall upwards sets up to the one end slope of keeping away from the water catch bowl, trigger the subassembly and set up in the water catch bowl, trigger subassembly and drive assembly electric connection.

Through adopting above-mentioned technical scheme, the setting of water catch bowl and trigger subassembly plays and can judge whether need carry out closed effect to planting the case according to actual conditions, and the setting of arc wall also is favorable to collecting the water catch bowl with the rainwater that drops on the apron in simultaneously to make trigger subassembly can be to the more sensitive of judgement of rainy day.

The present invention in a preferred example may be further configured to: trigger assembly is including setting up water-collecting tray, trigger bar, trigger switch and the spring in the water-collecting tank, the opening of water-collecting tray is vertical upwards, just the week side of water-collecting tray and the inside wall looks butt of water-collecting tank, the outer diapire middle part fixed connection of trigger bar and water-collecting tray, trigger switch sets up in the diapire of water-collecting tank, the trigger bar is located trigger switch's top, the spring housing is located on trigger bar and the trigger switch, just the one end of spring and the outer diapire fixed connection of outer diapire fixed connection, the other end and the water-collecting tank of water-collecting tray, trigger switch and drive assembly electric connection.

Through adopting above-mentioned technical scheme, the rainwater volume in the water catch tray enough can cause the water catch tray to sink along the water catch bowl to make trigger bar butt trigger switch, thereby make drive assembly action, the frame that slides of control from this slides along the length direction of fixed frame, open rainwater collecting box when making the apron lid close planting the case.

The present invention in a preferred example may be further configured to: the drive assembly comprises a support plate horizontally arranged in the accommodating box, a driving piece vertically arranged on one side of the bottom wall of the accommodating box close to the support plate and an output shaft penetrating through the support plate, a first gear fixedly connected with the output end of the driving piece, a second gear vertically arranged on the support plate, far away from one side of the driving piece and fixedly connected with the end part of the support plate, and a second gear arranged on the rotating shaft and rotatably connected with the rotating shaft through a bearing, wherein the first gear is meshed with the second gear, the first gear is meshed with a first rack, the second gear is meshed with a second rack, and the pressure switch and the trigger switch are both electrically connected with the driving piece.

Through adopting above-mentioned technical scheme, under the drive effect of driving piece and under the mating reaction of first gear, second gear, first rack and second rack for the driving piece can drive the frame that slides and slide along the length direction of fixed frame, with open and the closure of planting case and rainwater collecting box according to actual conditions control.

The present invention in a preferred example may be further configured to: the watering subassembly is including setting up the ring tube in planting the incasement and setting up in the ring tube inner ring side and the shower nozzle that is linked together with the ring tube, the shower nozzle is provided with a plurality ofly, and is a plurality of the shower nozzle is along the circumferencial direction evenly distributed of ring tube, the outer loop side and the communicating pipe of ring tube are linked together, the intercommunication mouth has been seted up to one side bottom of rainwater collecting box, the one end and the intercommunication mouth intercommunication of ring tube are kept away from to communicating pipe, be provided with the valve that is used for controlling communicating pipe to open and close on communicating pipe.

Through adopting above-mentioned technical scheme, when needs water planting incasement green planting, open the valve, the rainwater flows to the ring pipe from communicating pipe in the rainwater collecting box, waters planting incasement green planting from the shower nozzle blowout at last, and the fine rainwater of having utilized collecting in the rainwater collecting box of whole process waters planting incasement green planting.

The present invention in a preferred example may be further configured to: the pothook subassembly is including inserting the threaded rod of locating on planting the case lateral wall, overlapping locate the threaded rod extend to plant incasement one end and with threaded rod threaded connection's sleeve, set up in the sleeve and keep away from the couple in threaded rod one end middle part and set up on the threaded rod and with threaded rod threaded connection's first nut and second nut, first nut offsets tightly with the lateral wall of planting the case, the second nut offsets tightly with the inside wall of planting the case, the pothook subassembly is provided with four groups, four groups the pothook subassembly is located the middle part of planting four lateral walls of case respectively.

Through adopting above-mentioned technical scheme, with the ring tube joint on the couple, sleeve and threaded rod thread tightening, then through the degree of stretching into of adjusting threaded rod entering planting incasement, on being fixed in the planting case with the threaded rod through first nut and second nut at last, the realization is hung to the ring tube.

The present invention in a preferred example may be further configured to: the rainwater collecting box is communicated with the top of one side, away from the containing box, of the rainwater collecting box, the overflow pipe is arranged adjacent to the communicating port, and the overflow pipe is located above the communicating port.

Through adopting above-mentioned technical scheme, the setting of overflow pipe is used for drainage the unnecessary rainwater in the rainwater collecting box to other positions, effectively reduces the condition emergence of rainwater collecting box overflow.

In summary, the invention includes at least one of the following beneficial technical effects:

1. when raining, rainwater collected on the sealing cover component causes the trigger component to trigger the driving component to act, and the driving component controls the sealing cover component to slide along the length direction of the fixing frame, so that the opening of the rainwater collection box can be opened and the opening of the planting box can be closed when the working box is rainy;

2. the arrangement of the fixing frame plays a certain guiding role in the sliding of the sealing cover assembly, and the arrangement of the pressure switch plays a role in limiting the sealing cover assembly;

3. enough rainfall in the water-collecting tray can cause the water-collecting tray to sink along the water-collecting tank to make the trigger bar butt trigger switch to make drive assembly action, the frame that slides of control from this slides along the length direction of fixed frame, open rainwater collecting box when making the apron lid close planting the case.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic sectional structure view in fig. 1.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 2.

Fig. 5 is another overall structural schematic diagram of the present invention.

Fig. 6 is a partially enlarged schematic view of a portion C in fig. 5.

In the figure, 1, a work box; 11. a first partition plate; 12. a second partition plate; 13. planting boxes; 14. an accommodating box; 15. a rainwater collection box; 151. an overflow pipe; 152. a communication port; 153. a communicating pipe; 154. a valve; 2. a hook component; 21. a threaded rod; 22. a sleeve; 23. hooking; 24. a first nut; 25. a second nut; 3. a watering assembly; 31. a circular ring tube; 32. a spray head; 4. a drive assembly; 41. a support plate; 42. a drive member; 43. a first gear; 44. a rotating shaft; 45. a second gear; 5. a fixing frame; 51. a side plate; 511. a sliding groove; 52. an induction end plate; 521. a dovetail groove; 53. a pressure switch; 531. a first pressure switch; 532. a second pressure switch; 54. a dovetail block; 6. a closure assembly; 61. a sliding frame; 62. a first rack; 63. a second rack; 64. a cover plate; 641. a water collection tank; 642. an arc-shaped slot; 7. a trigger component; 71. a water collection tray; 711. a connecting rod; 712. a pull ring; 72. a trigger lever; 73. a trigger switch; 74. a spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, the rainwater recycling system on the building roof disclosed by the invention comprises a working box 1, and a hook assembly 2, a pouring assembly 3 and a driving assembly 4 (see fig. 6) which are arranged in the working box 1, wherein a fixed frame 5 is arranged at the top edge of the working box 1, a sealing cover assembly 6 is arranged in the fixed frame 5, the driving assembly 4 (see fig. 6) is used for driving the sealing cover assembly 6 to slide along the length direction of the fixed frame 5, and the hook assembly 2 is used for clamping the pouring assembly 3.

As shown in fig. 1 and 2, the working box 1 is a hollow rectangular box body with an opening at the upper part, a first partition plate 11 and a second partition plate 12 are vertically inserted in the working box 1 respectively, the first partition plate 11 and the second partition plate 12 are arranged in parallel, and one ends of the first partition plate 11 and the second partition plate 12 far away from the bottom wall of the working box 1 are flush with the opening of the working box 1. The working box 1 is thus divided into a planting box 13, a holding box 14 and a rainwater collection box 15 by the first and second partition plates 11 and 12. Pothook subassembly 2 and watering subassembly 3 set up in planting the case 13, and drive assembly 4 sets up in holding case 14, and wherein, rainwater collecting box 15 keeps away from one side top intercommunication that holds case 14 has overflow pipe 151, and communicating opening 152 has been seted up to rainwater collecting box 15's opposite side bottom, and overflow pipe 151 is located the top of communicating opening 152, and communicating opening 152 intercommunication has communicating pipe 153, and communicating pipe 153 keeps away from the one end of communicating opening 152 and waters subassembly 3 and is linked together.

As shown in fig. 2 and 3, the irrigation assembly 3 includes a circular tube 31 disposed in the planting box 13 and a plurality of nozzles 32 disposed on the circular tube 31; the circular ring pipe 31 is a hollow annular pipe body, the plurality of nozzles 32 are uniformly distributed along the circumferential direction of the inner ring side of the circular ring pipe 31, and the plurality of nozzles 32 are communicated with the circular ring pipe 31; the outer ring side of the annular pipe 31 communicates with an end of the communication pipe 153 remote from the communication port 152, and the communication pipe 153 is provided with a valve 154 for controlling opening and closing of the communication pipe 153. The hook component 2 is clamped and fixed with the circular tube 31.

As shown in fig. 2 and 3, four sets of the hook assemblies 2 are provided, and the four sets of the hook assemblies 2 are respectively arranged in the middle of four side walls of the planting box 13; the hook component 2 comprises a threaded rod 21, a sleeve 22, a hook 23, a first nut 24 and a second nut 25; threaded rod 21 passes the lateral wall of planting case 13 and extends to in planting case 13, and sleeve 22 is one end open-ended cavity barrel, and sleeve 22's inside wall is provided with the internal thread, and threaded rod 21 passes one end and sleeve 22 threaded connection in planting case 13, and sleeve 22 keeps away from the one end middle part of threaded rod 21 and couple 23 fixed connection, and the one end that sleeve 22 was kept away from to couple 23 upwards buckles towards sleeve 22, and toroidal tube 31 joint is on couple 23. First nut 24 and second nut 25 all with threaded rod 21 threaded connection, and first nut 24 supports tightly with the lateral wall of planting case 13, and second nut 25 supports tightly with the inside wall of planting case 13. From this, through adjusting threaded rod 21, can adjust the degree of penetration of couple 23 for planting in the case 13 to adjust the rate of tension of couple 23 joint on ring tube 31.

As shown in fig. 4 and 5, the fixing frame 5 comprises two side plates 51 and two induction end plates 52, wherein the two side plates 51 are respectively fixedly connected with the tops of two opposite sides of the working box 1, the two induction end plates 52 are respectively fixedly connected with the tops of two opposite ends of the working box 1, and two opposite ends of the induction end plates 52 are respectively vertically fixed with the same ends of the two side plates 51; pressure switches 53 are arranged on the two induction end plates 52, two vertical dovetail blocks 54 are arranged at two ends of one side of each pressure switch 53 close to the induction end plate 52 where the pressure switch is arranged, a dovetail groove 521 corresponding to the dovetail blocks 54 in position is formed in the induction end plate 52, and the dovetail blocks 54 are connected with the dovetail groove 521 in a sliding mode. The pressure switches 53 are respectively a first pressure switch 531 and a second pressure switch 532, the first pressure switch 531 is located at the top of the planting box 13, and the second pressure switch 532 is located at the top of the rainwater collection box 15. The first pressure switch 531 and the second pressure switch 532 are electrically connected to the driving assembly 4. The relative groove 511 that slides that sets up of notch is all seted up in the one side middle part that both sides board 51 are close to each other, and the groove 511 that slides extends along the length direction of curb plate 51, and closing cap subassembly 6 slides with the groove 511 and is connected. Therefore, the first pressure switch 531 and the second pressure switch 532 are respectively used for limiting the capping component 6, when the capping component 6 touches the first pressure switch 531, the first pressure switch 531 transmits a trigger signal to the driving component 4, and the driving component 4 stops driving the capping component 6; similarly, when the capping assembly 6 touches the second pressure switch 532, the second pressure switch 532 transmits a trigger signal to the driving assembly 4, and the driving assembly 4 also stops driving the capping assembly 6.

As shown in fig. 4 and 5, the cover assembly 6 includes a slide frame 61, a first rack 62, a second rack 63, and a cover plate 64; the two opposite sides of the sliding frame 61 are respectively connected with the two sliding grooves 511 in a sliding manner, the first rack 62 and the second rack 63 are respectively fixedly connected to the two sides of the sliding frame 61, which are close to each other, and the rack teeth of the first rack 62 and the rack teeth of the second rack 63 are oppositely arranged; the cover plate 64 is fixedly arranged on one side of the sliding frame 61 far away from the bottom wall of the working box 1, and the two opposite sides of the cover plate 64 are respectively close to one side of the two side plates 51 close to each other. The distance from the end of the cover plate 64 close to the first pressure switch 531 is equal to the distance from the end of the cover plate 64 close to the second pressure switch 532; thereby ensuring that the rainwater collection tank 15 is in a fully opened state when the cover plate 64 completely covers the planting box 13; similarly, when the cover plate 64 completely covers the rainwater collection tank 15, the planting box 13 is in a completely opened state.

As shown in fig. 4 and 5, a water collecting groove 641 is arranged in the middle of one side of the cover plate 64 away from the sliding frame 61, and a notch of the water collecting groove 641 is vertically upward; the catch basin 641 is provided with a trigger assembly 7. The top edge of the cover plate 64 is inclined downward toward the water collection groove 641; the top surface of the cover plate 64 is further provided with a plurality of arc-shaped grooves 642 with vertically upward notches, the plurality of arc-shaped grooves 642 are uniformly distributed along the circumferential direction of the water collecting groove 641, one end of each arc-shaped groove 642 is communicated with the water collecting groove 641, and the other end of each arc-shaped groove 642 extends to the edge of the top surface of the cover plate 64.

As shown in fig. 4 and 5, the trigger assembly 7 includes a water collection tray 71, a trigger lever 72, a trigger switch 73, and a spring 74; the water collecting tray 71 is a hollow semicircular tray body with an upward arc opening, and the circumferential side of the water collecting tray 71 is abutted against the inner side wall of the water collecting groove 641. The trigger rod 72, the trigger switch 73 and the spring 74 are all disposed in the water collection tank 641, one end of the trigger rod 72 is fixedly connected with the middle of the outer bottom wall of the water collection tray 71, the other end faces the trigger switch 73, and the trigger switch 73 is located below the trigger rod 72; the spring 74 is sleeved on the trigger rod 72 and the trigger switch 73, and one end of the spring 74 is fixedly connected with the outer bottom wall of the water collecting tray 71, and the other end is fixedly connected with the bottom wall of the water collecting groove 641. A connecting rod 711 is fixedly connected to the inner bottom wall of the water collecting tray 71, and a pull ring 712 is disposed at one end of the connecting rod 711 far away from the water collecting tray 71.

As shown in fig. 5 and 6, the driving assembly 4 includes a supporting plate 41 disposed between the first separating plate 11 and the second separating plate 12, a driving member 42 vertically mounted on one side of the supporting plate 41 close to the bottom wall of the accommodating box 14, a first gear 43 disposed on a bearing surface of the supporting plate 41, a rotating shaft 44 vertically mounted on the bearing surface of the supporting plate 41, and a second gear 45 disposed on the rotating shaft 44; the driving member 42 is a servo motor with a controller, an output end of the servo motor penetrates through the supporting plate 41 to be fixedly connected with the first gear 43, the second gear 45 is rotatably connected with the rotating shaft 44 through a bearing, the first gear 43 is meshed with the second gear 45, the first gear 43 is meshed with the first rack 62, and the second gear 45 is meshed with the second rack 63. The controller is electrically connected to the servo motor, the first pressure switch 531, the second pressure switch 532 and the trigger switch 73.

The implementation principle of the embodiment is as follows: when the rain falls on the cover plate 64 in rainy days, the rain flows to the water collecting groove 641 from the arc groove 642 on the cover plate 64 and is collected in the water collecting tray 71, the water collecting tray 71 sinks under the action of the gravity of the rain, the spring 74 is in a compressed state at the moment until the trigger rod 72 triggers the trigger switch 73, the trigger switch 73 transmits a signal to the controller, and the controller drives the servo motor to work.

The servo motor drives the first gear 43 to rotate, and the first gear 43 is respectively meshed with the second gear 45 and the first rack 62, so that the rotating first gear 43 drives the sliding frame 61 to slide along the length direction of the fixed frame 5 until the sliding frame 61 collides with the first pressure switch 531, the first pressure switch 531 transmits a signal to the controller, the controller controls the servo motor to stop working, therefore, the upper opening of the planting box 13 is in a closed state to protect green plants in the planting box 13 from being hit by wind and rain, and the rainwater collection box 15 is in an open state to collect rainwater.

When the weather is sunny, rainwater gathered in the water collecting tray 71 needs to be cleaned manually, the pull ring 712 is pulled manually to separate the trigger rod 72 from the trigger switch 73, meanwhile, the spring 74 is in a reset state, at the moment, the trigger switch 73 transmits a signal to the controller, the controller drives the servo motor, so that under the cooperative action of the first gear 43, the second gear 45, the first rack 62 and the second rack 63, at the moment, the sliding frame 61 slides along the length direction of the fixed frame 5 until the sliding frame 61 collides with the second pressure switch 532, the second pressure switch 532 transmits the signal to the controller, the controller controls the servo motor to stop working, therefore, the upper opening of the planting box 13 is in an open state to allow sunlight to irradiate green plants in the planting box 13, and the rainwater collecting box 15 is in a closed state.

When the green plants in the planting box 13 need to be watered, the valve 154 is opened, the rainwater collected in the rainwater collection box 15 flows to the circular ring pipe 31 through the communicating pipe 153, and finally the green plants in the planting box 13 are watered through the spray head 32.

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

Claims (10)

1. The utility model provides a rainwater recovery system on building roof, is used for planting green planting case (13) including setting up on the roof, its characterized in that: the rainwater collection and irrigation device is characterized by further comprising a rainwater collection box (15) arranged on the roof and used for rainwater recovery, a containing box (14) is fixedly connected between the planting box (13) and the rainwater collection box (15), the containing box (14) and the planting box (13) jointly form a working box (1), a fixed frame (5) is arranged on the top edge of the working box (1), a sealing cover component (6) is connected in the fixed frame (5) in a sliding manner, a driving component (4) used for driving the sealing cover component (6) to slide along the length direction of the fixed frame (5) is arranged in the containing box (14), a triggering component (7) capable of triggering the driving component (4) to act according to the rainwater collected by the sealing cover component (6) is arranged on the sealing cover component (6), and an irrigation component (3) is fixedly connected in the planting box (13) through a clamping hook component (2), the irrigation assembly (3) is communicated with the bottom of one side of the rainwater collection box (15) through a communication pipe (153).

2. A rainwater recovery system on a roof of a building according to claim 1 wherein: fixed frame (5) including set up curb plate (51) at the relative both sides top of work box (1) and set up in response end plate (52) at the relative both ends top of work box (1), the relative both ends of response end plate (52) respectively with the same end vertical fixation of both sides board (51), two one side middle part that response end plate (52) are close to each other all is provided with pressure switch (53), two pressure switch (53) all with drive assembly (4) electric connection, two the relative groove (511) that slides that sets up of notch is all seted up at one side middle part that curb plate (51) are close to each other, the length direction of curb plate (51) is followed in the groove (511) that slides extends, closing cap subassembly (6) slide with the groove (511) that slides and are connected.

3. A rainwater recovery system on a roof of a building according to claim 2 wherein: each pressure switch (53) is close to one side both ends of its place response end plate (52) and all is provided with vertical forked tail piece (54), set up position and forked tail piece (54) corresponding dovetail groove (521) on response end plate (52), dovetail block (54) and dovetail groove (521) are connected that slides.

4. A rainwater recovery system on a roof of a building according to claim 3 wherein: the closing cap subassembly (6) include relative both sides respectively with two slide the frame (61) that slide that the groove (511) slided and be connected, set up respectively in the first rack (62) and the second rack (63) that the both sides limit of frame (61) of sliding is close to one side each other and set up apron (64) in the frame (61) of sliding and keep away from work box (1) diapire one side, first rack (62) and second rack (63) all mesh with drive assembly (4).

5. A rainwater recovery system on a roof of a building according to claim 4 wherein: the vertical ascending water catch bowl (641) of notch is seted up in apron (64) one side middle part of frame (61) of sliding back to, a plurality of vertical ascending arc wall (642) of notch have still been seted up, a plurality of to one side of frame (61) of sliding back to apron (64) arc wall (642) along the circumferencial direction of water catch bowl (641) evenly sets up, just the one end and the water catch bowl (641) of arc wall (642) are linked together, arc wall (642) upwards set up to the one end slope of keeping away from water catch bowl (641), trigger subassembly (7) and set up in water catch bowl (641), trigger subassembly (7) and drive assembly (4) electric connection.

6. A rainwater recovery system on a roof of a building according to claim 5 wherein: trigger subassembly (7) is including setting up water-collecting tray (71), trigger bar (72), trigger switch (73) and spring (74) in water-collecting tray (641), the opening of water-collecting tray (71) is vertical upwards, just the week side of water-collecting tray (71) and the inside wall looks butt of water-collecting tray (641), trigger bar (72) and the outer diapire middle part fixed connection of water-collecting tray (71), trigger switch (73) set up the diapire in water-collecting tray (641), trigger bar (72) are located the top of trigger switch (73), on trigger bar (72) and trigger switch (73) are located to spring (74) cover, just the one end of spring (74) and the outer diapire fixed connection of water-collecting tray (71), the other end and the diapire fixed connection of water-collecting tray (641), trigger switch (73) and actuating assembly (4) electric connection.

7. A rainwater recovery system on a roof of a building according to claim 6 wherein: the driving component (4) comprises a supporting plate (41) horizontally arranged in the accommodating box (14), a driving part (42) vertically arranged on one side of the supporting plate (41) close to the bottom wall of the accommodating box (14) and an output shaft penetrating through the supporting plate (41), a first gear (43) fixedly connected with the output end of the driving part (42), a rotating shaft (44) vertically arranged on one side of the supporting plate (41) far away from the driving part (42) and fixedly connected with the supporting plate (41) at the end part, and a second gear (45) arranged on the rotating shaft (44) and rotatably connected with the rotating shaft (44) through a bearing, the first gear (43) is meshed with the second gear (45), the first gear (43) is meshed with the first rack (62), the second gear (45) is meshed with the second rack (63), and the pressure switch (53) and the trigger switch (73) are electrically connected with the driving piece (42).

8. A rainwater recovery system on a roof of a building according to claim 1 wherein: watering subassembly (3) including set up ring pipe (31) in planting case (13) and set up in ring pipe (31) inner ring side and shower nozzle (32) that are linked together with ring pipe (31), shower nozzle (32) are provided with a plurality ofly, and are a plurality of the circumferencial direction evenly distributed of ring pipe (31) is followed to shower nozzle (32), the outer ring side and communicating pipe (153) of ring pipe (31) are linked together, intercommunication mouth (152) have been seted up to one side bottom of rainwater collecting box (15), the one end and the intercommunication mouth (152) intercommunication of ring pipe (31) are kept away from in communicating pipe (153), be provided with valve (154) that are used for controlling communicating pipe (153) to open and close on communicating pipe (153).

9. A rainwater recovery system on a roof of a building according to claim 8 wherein: pothook subassembly (2) including insert threaded rod (21) of locating on planting case (13) lateral wall, cover locate threaded rod (21) extend to plant case (13) one end and with threaded rod (21) threaded connection's sleeve (22), set up in sleeve (22) keep away from couple (23) in threaded rod (21) one end middle part and set up on threaded rod (21) and with threaded rod (21) threaded connection's first nut (24) and second nut (25), first nut (24) are supported tightly with the lateral wall of planting case (13), second nut (25) are supported tightly with the inside wall of planting case (13), pothook subassembly (2) are provided with four groups, four groups pothook subassembly (2) are located the middle part of planting four lateral walls of case (13) respectively.

10. A rainwater recovery system on a roof of a building according to claim 8 wherein: the rainwater collection box (15) is far away from the top of one side of the containing box (14) and is communicated with an overflow pipe (151), the overflow pipe (151) is adjacent to the communicating opening (152), and the overflow pipe (151) is located above the communicating opening (152).

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