CN116145908B - Roof water storage and drainage control device for urban waterlogging prevention - Google Patents

Abstract

The invention belongs to the technical field of water supply and drainage, and particularly relates to a roof water storage and drainage control device for preventing waterlogging in a city. This a roof holds drainage controlling means for urban waterlogging prevention includes building, roof, four drainage controllers, four diversion ware and four breakwater subassemblies, every drainage controller is including gate, trace and the kickboard that connects gradually, four drainage controllers can slow down urban ground rainwater short-term in the sudden increase as far as possible, thereby the emergence of urban waterlogging condition when reducing urban sudden drop storm and the flood peak moment when urban waterlogging takes place harm to urban infrastructure and people's property safety, the breakwater subassembly can prevent that the retaining from flowing out from overflow mouth and delivery port, the direct drop causes the splash of retaining, wet passerby's clothing, wash the outer wall of building simultaneously, make the outer wall of building clean, full of aesthetic feeling. The water storage and drainage of the roof can be controlled through the control gate, and the floating plate is used for pulling the lifting of the gate.

Description

Roof water storage and drainage control device for urban waterlogging prevention

Technical Field

The invention relates to the technical field of water supply and drainage, in particular to a roof water storage and drainage control device for preventing waterlogging in cities.

Background

Due to the high density city and heat island effect, it is more difficult to drain the ground when the central urban area is exposed to heavy rain. Therefore, the method is urgent in realizing the reduction of the total amount of urban rainwater runoff and the reduction of peak flow in the storm, so that the roof rainwater discharge of the building in the high-density city can be regulated and stored in the storm, the short-term sudden increase of urban ground rainwater can be slowed down as much as possible, and the urban waterlogging condition in the case of urban sudden drop and storm and the damage to urban infrastructure and people and property safety caused by flood peak time in the case of urban waterlogging are reduced. The traditional urban waterlogging disaster prevention mainly comprises water level monitoring in areas easy to waterlog and urban rainwater discharge pipeline flow monitoring, and the urban building roof rainwater storage and drainage control device is not available in the market.

Disclosure of Invention

Based on this, there is a need to provide a roof water storage and drainage control device for preventing urban inland inundation, so as to solve at least one of the above technical problems.

The utility model provides a roof holds drainage control device for urban waterlogging prevention, which comprises a building, the roof, four drainage controllers, four diversion ware and four breakwater subassemblies, the roof is installed at the top of building, four drainage controllers are installed in the four peripheral of building respectively, four diversion ware is installed respectively in four drainage controllers's oblique below, four breakwater subassemblies are installed respectively in four diversion ware's below, the top undercut of roof is formed with the cistern, every drainage controller is including the gate that connects gradually, trace and kickboard, the gate is installed in the lateral wall of roof, trace one end is connected with the upper end of gate perpendicularly, the kickboard is installed in one side that the roof is close to the cistern center, and the top of kickboard is fixed with the bottom of trace and is linked to each other.

Four drainage controllers can slow down urban ground rainwater short-term in-the-fly increase as far as possible to reduce urban flood condition's emergence and flood peak moment to urban infrastructure and people's property safety's harm when urban flood takes place when urban sudden drop storm, the breakwater subassembly can prevent that retaining from flowing out from overflow mouth and delivery port, and the direct drop causes the splash of retaining, is wet passerby's clothing, washs the outer wall of building simultaneously, makes the cleanness of the outer wall of building, is full of aesthetic feeling. The water storage and drainage of the roof can be controlled through the control gate, and the floating plate is used for pulling the lifting of the gate.

In one embodiment, a plurality of drainage pipelines are arranged in the building, and drainage pipes with cylindrical straight-through structures are arranged in the drainage pipelines.

The drain pipe is arranged on a drain pipe net on the roof of the urban building and is directly inserted into the drain pipe, and the insertion depth can be adjusted on site. The water storage and drainage mode of the device is realized by controlling the opening and closing of the gate.

In one embodiment, the roof comprises four enclosing walls which are respectively arranged at the four peripheral edges of the top of the building, the center of the side wall of each enclosing wall is provided with an overflow port and a T-shaped water outlet, the overflow ports penetrate through the surfaces of the two side walls of the enclosing wall, the water outlet is positioned below the overflow ports, the side wall of each enclosing wall is further provided with a triangular sliding groove, the sliding groove is positioned at one side of the top of the water outlet, which is away from the reservoir, the side wall of the water outlet is further provided with a sliding groove, the sliding groove is communicated with the water outlet, a sliding rail is arranged between the water outlet and one side of the overflow port, which faces the reservoir, and the sliding rail is fixedly arranged on the side wall of the enclosing wall.

In one embodiment, the gate is slidably inserted into the sliding groove, each drainage control device further comprises a hinge device and a T-shaped stretching piece, the hinge device is arranged at the bottom of the water outlet, the T-shaped stretching piece is arranged at the top of the water outlet and is positioned on one side, adjacent to the floating plate, of the gate, and the top of the gate is further provided with a clamping groove.

The water storage and drainage capacity of the control device is 5-20cm, and can be practically adjusted according to the bearing capacity and the waterproof condition of the site building. The height-adjustable overflow port is arranged, when the water depth of the roof reaches the depth of the overflow port, no matter whether a gate is controlled or the gate cannot be opened, rainwater exceeding the maximum limited water depth can be preferentially drained, so that the safety of the building is ensured, and the gate control method is an upper hinge internal open normally closed structure.

In one embodiment, the stretching piece comprises a fixing section, a connecting section and a clamping section which are sequentially and vertically connected, the top of the fixing section is fixedly connected with the top of the water outlet, the connecting section is internally provided with an elastic pull rope, one end of the elastic pull rope is fixedly connected with the connecting section, the clamping section is positioned below the side wall of the top of the sliding groove and is fixedly connected with the other end of the elastic pull rope, and the clamping section is clamped in the clamping groove.

In one embodiment, the drainage controller further comprises a pushing block, a waterproof rolling curtain and a water collecting plate, the pushing block is slidably arranged in the sliding rail, the waterproof rolling curtain is arranged on one side, adjacent to the center of the reservoir, of the overflow port and located above the pushing block, the bottom of the waterproof rolling curtain is provided with a foam plate, the top of the pushing block is further provided with a reset pull rope, one end of the reset pull rope is fixedly connected with the pushing block, the other end of the reset pull rope is fixedly connected with the bottom of the waterproof rolling curtain, and the water collecting plate is arranged on one side, deviating from the center of the reservoir, of the overflow port.

In one embodiment, four water diversion devices are respectively located on one side of the four gates, which deviates from the center of the reservoir, each water diversion device comprises two inclined support rods, a hinge rod, a water collection box and two support rods, the two support rods are installed at the top of the gates and located on one side of the gates, which deviates from the center of the reservoir, the hinge rod is slidingly inserted at the bottoms of the two support rods, the water collection box is located below the water collection plate, the two support rods are respectively installed at two opposite ends of the top of the water collection box, and the two ends of the hinge rod are inserted into the two support rods.

In one embodiment, the water collecting box comprises a water collecting box body and a hollow triangular water collecting block, wherein the water collecting box body is arranged below the water collecting plate, a plurality of water leakage holes are formed in the side wall, adjacent to one side of the gate, of the water collecting box body, and the water collecting block is arranged in the water collecting box body and is positioned on one side away from the water leakage holes.

In one embodiment, each water baffle assembly comprises a water baffle and a connecting rod assembly, the water baffle is arranged below the water collecting box body, the upper end of the connecting rod assembly is fixedly connected with the side wall of the enclosing wall, and the lower end of the connecting rod assembly is fixedly connected with the water baffle.

In one embodiment, the breakwater comprises an inclined upper breakwater section, a vertical section and a lower breakwater section which are sequentially connected, wherein the upper breakwater section is positioned under the water collecting box body and positioned on one side of the enclosing wall, which deviates from the center of the reservoir, the lower breakwater section is positioned on one side of the top of the building, the connecting rod assembly comprises an upper connecting rod and a lower connecting rod, the upper end of the upper connecting rod is fixedly connected with the side wall of the enclosing wall, the lower end of the upper connecting rod is fixedly connected with the upper breakwater section, the upper end of the lower connecting rod is fixedly connected with the bottom of the roof, and the lower end of the lower connecting rod is fixedly connected with the lower breakwater section.

According to the invention, the gate is arranged, the storage and the discharge of the water storage are carried out by controlling the opening and closing of the gate, the sudden increase of urban ground rainwater in a short period is slowed down as much as possible, so that the damage to urban infrastructure and property safety caused by urban waterlogging caused by urban sudden drop and storm and flood peak time is reduced, when the roof water level of a building is lower than the lowest water level threshold value of the gate opening, namely the height of the roof water level is lower than the floating plate, the gate is closed for water storage, when the water level of the water storage rises above the highest water level threshold value of the gate closing, namely the gate reaches the highest point, the stretching piece is clamped in the clamping groove, the gate is obliquely opened towards one side of the water diversion device under the action of water pressure, the clamping section of the stretching piece is stretched, the hinge device is overturned, the roof water storage is discharged, meanwhile, the linkage rod and the floating plate are inclined together, and the linkage rod and the floating plate are tilted together, so that the pushing block is pushed up to open the overflow port. Through setting up the catchment box body, when the gate opens the gap and flows to the outside of cistern, a part of the catchment flows onto the upper water retaining section, another part enters into the catchment box body under the guide of bracing piece, the catchment in the catchment box body flows to one side of the adjacent enclosure of bottom of catchment block under the guide of catchment block, the catchment box body is under the continuous accumulation of catchment, gravity increases, the gate is pulled down, make the gate open, the gap between gate and delivery port grow, roof retaining outflow velocity becomes fast, accelerate the outflow of catchment, prevent the building from damaging because of roof retaining is overfilled, through setting up the overflow orifice, when retaining velocity is greater than or equal to drain pipe and gate opening gap's drainage velocity, roof retaining can continue to rise up until from the overflow orifice, the retaining is continuously risen, the waterproof rolling curtain can follow the retaining and rise up under the buoyancy effect of foam board, until rising to the highest point of waterproof rolling curtain, can also flow down to the catchment box body under the guide of catchment board, can further draw down the catchment box body under the guide of the catchment board, thereby prevent further from damaging the gate from further falling down the gate, further from the gate is opened because of the roof retaining is full, further to prevent the gate from damaging; when the water storage speed is smaller than or equal to the sum of the water drainage speed of the gap opened by the drain pipe and the gate and the outflow speed of the overflow port, the water storage can flow out from the top of the roof, the water collection box body is arranged, when the water storage in the water collection box body is full, the water collection box body is subjected to the problem of uneven gravity, the water collection box body can overturn towards the gate side, and then better meet the impact of the water storage, thereby pulling the gate, the gap opened by the gate is larger, simultaneously, the water storage in the water collection box body can be poured out more easily for the speed of recovery, and when the gate is recovered to the sliding groove, the water storage in the water collection box body can flow out through the water leakage hole, so that the water collection box body is recovered to be balanced, and the water baffle can guide the water storage to the outer wall of the building, prevent the water storage from flowing out of the overflow port and the water outlet, the water storage from directly falling to cause splashing of the water storage, the clothes of the passers-by people are wet, and the outer wall of the building is clean, and the outer wall of the building is full of the aesthetic feeling. The invention has simple structure and ingenious conception, and can slow down the sudden increase of urban ground rainwater in a short period, thereby reducing the occurrence of urban waterlogging when urban sudden drop and storm, and the damage to urban infrastructure and people and property safety caused by flood peak moment when urban waterlogging occurs.

Drawings

Fig. 1 is a top plan schematic view of an embodiment.

FIG. 2 is a schematic plan view of an enclosure according to an embodiment.

FIG. 3 is a schematic cross-sectional view of an enclosure according to one embodiment.

Fig. 4 is a schematic perspective view of an embodiment.

Fig. 5 is an enlarged schematic view of fig. 4 a according to an embodiment.

Fig. 6 is a schematic perspective view of an embodiment.

Fig. 7 is an enlarged schematic view of fig. 6B according to an embodiment.

FIG. 8 is a schematic cross-sectional view of an embodiment.

Fig. 9 is an enlarged schematic view of fig. 8C according to an embodiment.

Fig. 10 is a schematic perspective view of a stretching member according to an embodiment.

Fig. 11 is a perspective view of a shutter according to an embodiment.

Description of main reference numerals: 10. building is provided with a plurality of stories; 11. a drainage pipe; 12. a drain pipe; 20. a roof; 21. a reservoir; 22. a wall; 23. an overflow port; 24. a water outlet; 25. a sliding groove; 27. a sliding groove; 30. a drainage controller; 31. a gate; 32. a linkage rod; 33. a floating plate; 34. a hinge device; 35. a stretching member; 36. a pushing block; 37. waterproof rolling curtain; 38. a water collecting plate; 39. a clamping groove; 350. a fixed section; 351. a connection section; 352. a clamping section; 370. a foam board; 40. a water diverter; 41. a support rod; 42. a hinge rod; 43. a bracket rod; 44. a water collecting box; 440. a water collection box body; 441. a water collecting block; 50. a water deflector assembly; 51. a water baffle; 52. a connecting rod assembly; 510. an upper water blocking section; 511. a vertical section; 512. a lower water blocking section; 520. an upper connecting rod; 521. lower connecting rod

Detailed Description

In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The invention provides an embodiment, as shown in fig. 1 to 11, of a roof water storage and drainage control device for urban waterlogging prevention, which comprises a building 10, a roof 20, four drainage controllers 30, four water diversion devices 40 and four water baffle assemblies 50, wherein the roof 20 is arranged at the top of the building 10, the four drainage controllers 30 are respectively arranged at the periphery of the building 10, the four water diversion devices 40 are respectively arranged under the four drainage controllers 30, the four water baffle assemblies 50 are respectively arranged under the four water diversion devices 40, a reservoir 21 is formed by downwards sinking the top of the roof 20, each drainage controller 30 comprises a gate 31, a linkage rod 32 and a floating plate 33 which are sequentially connected, the gate 31 is arranged in the side wall of the roof 20, one end of the linkage rod 32 is vertically connected with the upper end of the gate 31, the floating plate 33 is arranged at one side of the roof 20 adjacent to the center of the reservoir 21, and the top of the floating plate 33 is fixedly connected with the bottom of the linkage rod 32.

The four drainage controllers 30 can slow down the short-term sudden increase of urban ground rainwater as much as possible, so as to reduce the damage to urban infrastructure and people's property safety caused by urban inland inundation when urban sudden drop and heavy rain occur and flood peak when urban inundation occurs, and the water baffle assembly 50 can prevent water storage from flowing out of the overflow ports 23 and the water outlets 24, and the water storage is directly dropped to cause splashing of the water storage, so that the clothes of passers-by are wetted, and the outer wall of the building 10 is cleaned, so that the outer wall of the building 10 is clean and full of aesthetic feeling. The control of the shutter 31 can control the water storage and drainage of the roof 20, and the floating plate 33 is used to pull the shutter 31 up and down.

As shown in fig. 1 and 4, a plurality of drain pipes 11 are provided in the building 10, and drain pipes 12 having a cylindrical through structure are installed in the plurality of drain pipes 11.

As shown in fig. 1 to 7 and 9, the roof 20 includes four enclosing walls 22, the four enclosing walls 22 are respectively mounted on four peripheral edges of the top of the building 10, and an overflow port 23 and a T-shaped water outlet 24 are formed in the center of the side wall of each enclosing wall 22, the overflow port 23 penetrates through the two side wall surfaces of the enclosing wall 22, the water outlet 24 is located below the overflow port 23, a triangular sliding groove 27 is formed in the side wall of each enclosing wall 22, the sliding groove 27 is located on one side of the top of the water outlet 24, which is away from the reservoir 21, a sliding groove 25 is formed in the side wall of the water outlet 24, the sliding groove 25 is communicated with the water outlet 24, and a sliding rail (not shown) is mounted between the water outlet 24 and one side of the overflow port 23, which faces the reservoir 21, and is fixedly mounted on the side wall of the enclosing wall 22.

As shown in fig. 5 and 10 to 11, the gate 31 is slidably inserted into the sliding groove 25, each drainage controller 30 further includes a hinge 34 and a T-shaped stretching member 35, the hinge 34 is mounted at the bottom of the water outlet 24, the T-shaped stretching member 35 is mounted at the top of the water outlet 24 and is located at one side of the gate 31 adjacent to the floating plate 33, and the top of the gate 31 is further provided with a clamping groove 39.

As shown in fig. 10, the stretching member 35 includes a fixing section 350, a connecting section 351 and a clamping section 352 which are sequentially and vertically connected, wherein the top of the fixing section 350 is fixedly connected with the top of the water outlet 24, the connecting section 351 is internally provided with an elastic pull rope (not shown), one end of the elastic pull rope is fixedly connected with the connecting section 351, the clamping section 352 is located below the side wall of the top of the sliding groove 25 and is fixedly connected with the other end of the elastic pull rope, and the clamping section 352 is clamped in the clamping groove 39.

As shown in fig. 6 and 7, the drainage controller 30 further includes a pushing block 36, a waterproof rolling curtain 37 and a water collecting plate 38, the pushing block 36 is slidably installed in the sliding rail, the waterproof rolling curtain 37 is installed on one side of the overflow port 23 adjacent to the center of the reservoir 21 and above the pushing block 36, the bottom of the waterproof rolling curtain 37 is installed with a foam plate 370, the top of the pushing block 36 is also installed with a reset pull rope (not shown), one end of the reset pull rope is fixedly connected with the pushing block 36, the other end is fixedly connected with the bottom of the waterproof rolling curtain 37, and the water collecting plate 38 is installed on one side of the overflow port 23 away from the center of the reservoir 21.

As shown in fig. 3 to 5, the four water diversion devices 40 are respectively located at one side of the four gates 31 away from the center of the reservoir 21, and each water diversion device 40 comprises two inclined support rods 41, a hinge rod 42, a water collection box 44 and two support rods 43, wherein the two support rods 41 are mounted at the top of the gates 31 and are located at one side of the gates 31 away from the center of the reservoir 21, the hinge rod 42 is slidably inserted at the bottoms of the two support rods 41, the water collection box 44 is located below the water collection plate 38, the two support rods 43 are respectively mounted at opposite ends of the top of the water collection box 44, and the two ends of the hinge rod 42 are inserted into the two support rods 43.

As shown in fig. 5 and 9, the water collecting box 44 includes a water collecting box body 440 and a hollow triangular water collecting block 441, the water collecting box body 440 is installed below the water collecting plate 38, and a plurality of water leakage holes (not shown) are formed on a side wall of the water collecting box body 440 adjacent to the gate 31, and the water collecting block 441 is installed inside the water collecting box body 440 and is located at a side away from the water leakage holes.

As shown in fig. 5, each of the water baffle assemblies 50 includes a water baffle 51 and a connection rod assembly 52, the water baffle 51 is installed under the water collecting box body 440, the upper end of the connection rod assembly 52 is fixedly connected with the side wall of the enclosing wall 22, and the lower end is fixedly connected with the water baffle 51.

As shown in fig. 5 and 9, the water baffle 51 includes an inclined upper water baffle segment 510, a vertical segment 511 and a lower water baffle segment 512 which are sequentially connected, the upper water baffle segment 510 is located under the water collecting box 440 and is located at one side of the enclosing wall 22 away from the center of the reservoir 21, the lower water baffle segment 512 is located at one side of the top of the building 10, the connecting rod assembly 52 includes an upper connecting rod 520 and a lower connecting rod 521, the upper end of the upper connecting rod 520 is fixedly connected with the side wall of the enclosing wall 22, the lower end is fixedly connected with the upper water baffle segment 510, the upper end of the lower connecting rod 521 is fixedly connected with the bottom of the roof 20, and the lower end is fixedly connected with the lower water baffle segment 512.

When in installation: roof 20 is installed at the top of building 10, four drain control ware 30 are installed at the peripheral edge of building 10 respectively, four diversion ware 40 are installed respectively in the oblique below of four drain control ware 30, four breakwater subassembly 50 are installed respectively in the below of four diversion ware 40, gate 31 is installed in the lateral wall of roof 20, floating plate 33 is installed on the side of roof 20 near the cistern 21 center, four enclosure 22 are installed at the top four peripheral edge of building 10 respectively, the slide rail fixed mounting is on the lateral wall of enclosure 22, hinge ware 34 is installed in the bottom of delivery port 24, T-shaped tensile member 35 is installed at the top of delivery port 24, push block 36 slidingly installs in the slide rail, waterproof rolling screen 37 is installed on the side of overflow port 23 near the cistern 21 center. The foam board 370 is installed to the bottom of waterproof rolling shutter 37, and reset rope is still installed at the top of pushing block 36, and the catchment board 38 is installed in the overflow port 23 one side that deviates from cistern 21 center, and two bracing pieces 41 are installed at the top of gate 31, and two support rods 43 are installed at the opposite both ends at catchment box 44 top respectively, and catchment box body 440 is installed in the below of catchment board 38, and catchment piece 441 is installed in the inside of catchment box body 440, and the baffle 51 is installed in the below of catchment box body 440.

When in use, the utility model is characterized in that: when raining, when the drainage pipeline 11 is lower than the water collection speed of the roof 20, the water level of the roof 20 of the building is lower than the lowest water level threshold value of the opening of the gate 31, namely, the water level of the roof 20 is lower than the height of the floating plate 33, the gate 31 is closed for storing water, and the sudden increase of urban ground rainwater in a short period is slowed down as much as possible, so that the urban infrastructure and the property safety of people are damaged at the moment of flood peak when urban sudden drop and storm occur, the floating plate 33 moves upwards along with water under the action of water buoyancy, the floating plate 33 pushes the linkage rod 32 to move upwards together under the action of buoyancy, the gate 31 is pulled to move upwards together, rainwater is prevented from flowing out of the water outlet 24, the sudden increase of urban ground rainwater in a short period is slowed down, and the urban infrastructure and the property safety damage of people are reduced at the moment of flood peak when urban sudden drop and urban flood occurs. When the water level of the stored water rises above the highest water level threshold value for closing the gate 31, namely, when the gate 31 reaches the highest point, the stretching piece 35 is clamped in the clamping groove 39, the gate 31 can be obliquely opened towards one side of the water guider 40 under the action of water pressure, the clamping section 352 of the stretching piece 35 stretches, the hinge device 34 overturns, and the stored water of the roof 20 is discharged. At the same time, the linkage rod 32 and the floating plate 33 incline along with the gate 31, the linkage rod 32 and the floating plate 33 tilt up to push up the pushing block 36, and the overflow port 23 is opened. The water storage of the roof 20 flows to the outside of the water storage tank 21 through the opening gap between the water outlet 24 and the gate 31, one part of the water storage flowing to the outside of the water storage tank 21 flows to the upper water retaining section 510, the other part of the water storage enters the water collecting box body 440 under the guidance of the supporting rod 41, the water storage entering the water collecting box body 440 flows to one side of the bottom of the water collecting block 441 adjacent to the enclosing wall 22 under the guidance of the water collecting block 441, the water collecting box body 440 continuously accumulates the water storage, the gravity increases, the gate 31 is pulled downwards, the gate 31 is opened, the gap between the gate 31 and the water outlet 24 is enlarged, the water storage outflow speed of the roof 20 is increased, the water storage outflow is accelerated, and the damage of the building 10 caused by the water storage overfull of the roof 20 is prevented.

2. When the water storage speed is smaller than or equal to the water drainage speed of the gap between the drain pipe 12 and the gate 31, the water storage of the roof 20 flows out of the gap between the drain pipe 12 and the gate 31 until the water storage of the reservoir 21 is lower than the highest water level threshold value of the gate 31 to be closed, the gate 31 returns to the sliding groove 25 under the action of the restoring force of the elastic pull rope and the hinge 34, when the water storage speed is larger than or equal to the water drainage speed of the gap between the drain pipe 12 and the gate 31, the water storage of the roof 20 continuously rises until the water storage flows out of the overflow port 23, the water storage 37 can be continuously lifted up under the buoyancy action of the foam plate 370 until the water storage reaches the highest point of the water storage 37, the water storage can also flow out of the overflow port 23, and flow into the water collecting box 440 under the guidance of the water collecting plate 38, the water collecting box 440 can be further impacted, the water collecting box 440 is further dropped downwards, the gate 31 is continuously stretched, the gap 31 is opened, the water storage 10 is more rapidly flowed out, and the damage of the building 10 caused by the water storage 20 is prevented. When the water storage speed is less than or equal to the sum of the water drainage speed of the water drainage pipe 12 and the opening gap of the gate 31 and the outflow speed of the overflow port 23, the water storage can also flow out from the top of the roof 20, and the building 10 is prevented from being damaged due to the overfilling of the roof 20. When the water storage in the water collecting box body 440 is full, the water collecting box body 440 can overturn towards the gate 31 side under the problem of uneven gravity, and then better meet the impact of the water storage, thereby pulling the gate 31, the gap that the gate 31 is opened is larger, simultaneously, also for the speed of returning, make the water storage inside the water collecting box body 440 more easily topple over and go out, when the gate 31 returns to the sliding groove 25, the water storage inside the water collecting box body 440 can flow out through the water leakage hole, thereby the water collecting box body 440 is enabled to restore to balance, when the water level of the water storage falls to the overflow port 23, the pushing block 36 moves downwards to return, and the waterproof rolling curtain 37 returns to the original position under the pulling of the reset pull rope.

3. The water baffle plate 51 can guide the water storage to the outer wall of the building 10, prevent the water storage from flowing out of the overflow port 23 and the water outlet 24, directly drop to cause splashing of the water storage, wet clothes of passers-by, clean the outer wall of the building 10, and make the outer wall of the building 10 clean and full of aesthetic feeling. The water storage flows out from the overflow port 23 and the water outlet 24 and drops on the upper water blocking section 510, flows down into the vertical section 511 under the guidance of the upper water blocking section 510, flows into the lower water blocking section 512 under the guidance of the vertical section 511, and flows down to the upper wall of the outer wall of the building 10 under the guidance of the lower water blocking section 512, so that the outer wall of the building 10 is clean and full of aesthetic feeling.

The beneficial effects are that: according to the invention, the gate 31 is arranged, the storage and the discharge of the water storage are carried out by controlling the opening and closing of the gate 31, the sudden increase of urban ground rainwater in a short period is slowed down as much as possible, so that the damage to urban infrastructure and people property safety caused by urban waterlogging in the case of urban sudden drop and storm and the moment of flood peak in the case of urban waterlogging is reduced, when the water level of the building roof 20 is lower than the lowest water level threshold value of the gate 31 in the case of rain, namely the water level of the roof 20 is lower than the height of the floating plate 33, the gate 31 is closed for storing water, when the water level of the water storage rises above the highest water level threshold value of the gate 31 in the case of the gate 31 reaching the highest point, the stretching piece 35 is clamped in the clamping groove 39, the gate 31 is obliquely opened towards one side of the water guider 40 under the action of water pressure, the clamping section 352 of the stretching piece 35 is stretched, the hinge 34 is overturned, the water storage of the roof 20 is discharged, meanwhile the linkage rod 32 and the floating plate 33 are obliquely together, the linkage rod 32 and the floating plate 33 are overturned, and the pushing block 36 is pushed up, and the overflow port 23 is opened. By arranging the water collecting box body 440, when the gap of the gate 31 is opened and flows to the outside of the reservoir 21, one part of the water storage flows onto the upper water retaining section 510, the other part of the water storage enters the water collecting box body 440 under the guidance of the supporting rod 41, the water storage entering the water collecting box body 440 flows to one side of the bottom of the water collecting block 441 adjacent to the enclosing wall 22 under the guidance of the water collecting block 441, the water collecting box body 440 continuously accumulates the water storage, the gravity is increased, the gate 31 is pulled downwards, the gate 31 is opened, the gap between the gate 31 and the water outlet 24 is enlarged, the water storage outflow speed of the roof 20 is increased, the water storage outflow speed of the building 10 is accelerated, the damage caused by the overfull water storage of the roof 20 is prevented, by arranging the overflow port 23, when the water storage speed is greater than or equal to the water drainage speed of the gap between the drain pipe 12 and the gate 31, the water storage of the roof 20 can continue to rise until the water flows out of the overflow port 23, the water storage continuously rises, the waterproof rolling curtain 37 can follow the water storage to rise upwards under the buoyancy action of the foam plate 370 until the water storage rises to the highest point of the waterproof rolling curtain 37, the water storage can also flow out of the overflow port 23, flow into the water collection box body 440 under the guidance of the water collecting plate 38, the water storage under the guidance of the water collecting plate 38 can further impact the water collection box body 440, so that the water collection box body 440 further drops downwards, the gate 31 is continuously stretched, the gap is opened more greatly by the gate 31, the water storage outflow speed is faster, and the building 10 is prevented from being damaged due to the overfull water storage of the roof 20; when the water storage speed is smaller than or equal to the sum of the water drainage speed of the water drain pipe 12 and the gap opening of the gate 31 and the outflow speed of the overflow port 23, the water storage can flow out from the top of the roof 20, through the arrangement of the water collection box body 440, when the water storage in the water collection box body 440 is full, the water collection box body 440 is turned towards the gate 31 side and better receives the impact of the water storage, so that the gate 31 is pulled, the gap of the gate 31 is opened is larger, meanwhile, the water storage in the water collection box body 440 is easy to pour out for restoring the time speed, and when the gate 31 is restored to the sliding groove 25, the water storage in the water collection box body 440 can flow out through the water leakage hole, so that the water collection box body 440 is restored to be balanced, and through the arrangement of the water baffle plate 51, the water storage can be guided to the outer wall of the building 10, the water storage is prevented from flowing out from the overflow port 23 and the water outlet 24, the clothes of the water storage are directly dropped to cause the water storage, the outer wall of the passers-by people are wet, and the outer wall of the building 10 is cleaned, and the outer wall of the building 10 is full of the aesthetic feeling. The invention has simple structure and ingenious conception, and can slow down the sudden increase of urban ground rainwater in a short period, thereby reducing the occurrence of urban waterlogging when urban sudden drop and storm, and the damage to urban infrastructure and people and property safety caused by flood peak moment when urban waterlogging occurs.

All possible combinations of the technical features in the above embodiments are described, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing embodiments represent only a few embodiments of the present invention, which are described in more detail and are not to be construed as limiting the scope of the present invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims (3)

1. A roof water storage and drainage control device for urban water logging prevention is characterized by comprising a building (10), a roof (20), four drainage controllers (30), four water diversion devices (40) and four water baffle assemblies (50), wherein the roof (20) is arranged at the top of the building (10), the four drainage controllers (30) are respectively arranged at the peripheral edges of the building (10), the four water diversion devices (40) are respectively arranged at the inclined lower parts of the four drainage controllers (30), the four water baffle assemblies (50) are respectively arranged below the four water diversion devices (40), a reservoir (21) is formed by downwards sinking the top of the roof (20), each drainage controller (30) comprises a gate (31), a linkage rod (32) and a floating plate (33) which are sequentially connected, the gate (31) is arranged in the side wall of the roof (20), one end of the linkage rod (32) is vertically connected with the upper end of the gate (31), the floating plate (33) is arranged at one side of the roof (20) adjacent to the center of the reservoir (21), the top of the floating plate (32) is connected with the inner wall (11) of the water drainage pipe (11) in a plurality of enclosing walls (11) which are fixedly arranged at the top of the roof (20), four enclosing walls (22) are respectively arranged at the four peripheral edges of the top of a building (10), an overflow port (23) and a T-shaped water outlet (24) are respectively arranged at the center of the side wall of each enclosing wall (22), the overflow port (23) penetrates through the two side wall surfaces of the enclosing wall (22), the water outlet (24) is positioned below the overflow port (23), a triangular sliding groove (27) is further arranged on the side wall of each enclosing wall (22), the sliding groove (27) is positioned at one side of the top of the water outlet (24) which is far away from a reservoir (21), a sliding groove (25) is further arranged on the side wall of the water outlet (24), the sliding groove (25) is communicated with the water outlet (24), a sliding rail is arranged between the water outlet (24) and one side of the overflow port (23) which faces the reservoir (21), the sliding rail is fixedly arranged on the side wall of the enclosing wall (22), a gate (31) is slidingly inserted into the sliding groove (25), each drainage controller (30) further comprises a hinge device (34) and a T-shaped stretching piece (35), the hinge device (34) is arranged at the bottom of the water outlet (24), the stretching piece (35) is positioned at the bottom of the water outlet (24), the top of the gate (31) is positioned adjacent to the top of the floating plate (31), the stretching piece (35) comprises a fixed section (350), a connecting section (351) and a clamping section (352) which are sequentially and vertically connected, the top of the fixed section (350) is fixedly connected with the top of the water outlet (24), the connecting section (351) is internally provided with an elastic pull rope, one end of the elastic pull rope is fixedly connected with the connecting section (351), the clamping section (352) is positioned below the side wall of the top of the sliding groove (25) and is fixedly connected with the other end of the elastic pull rope, the clamping section (352) is clamped in the clamping groove (39), the drainage controller (30) further comprises a pushing block (36), a waterproof rolling curtain (37) and a water collecting plate (38), the pushing block (36) is slidably arranged in a sliding rail, the waterproof rolling curtain (37) is arranged on one side of the overflow port (23) adjacent to the center of the water reservoir (21), the top of the pushing block (36), the bottom of the waterproof rolling curtain (37) is provided with a foam plate (370), the top of the pushing block (36) is also provided with a reset pull rope, one end of the reset pull rope is fixedly connected with the pushing block (36), the other end of the reset pull rope is fixedly connected with the bottom of the waterproof rolling curtain (37) and the bottom of the water collecting plate (37) is arranged on one side of the water collecting gate (21) away from the center of the water collecting plate (21) of the water reservoir (21), the four sides of the water collecting gate (21) are arranged on one side of the water collecting gate (21) and the center is arranged on one side of the water collecting gate (21), and every diversion ware (40) include bracing piece (41) of two slopes, articulated lever (42), catchment box (44) and two support poles (43), the top in gate (31) is installed to two bracing pieces (41), and be located one side that gate (31) deviates from cistern (21) center, the bottom of locating two bracing pieces (41) is slidingly inserted to articulated lever (42), catchment box (44) are located the below of catchment board (38), two support poles (43) are installed respectively in the opposite both ends at catchment box (44) top, and the both ends of articulated lever (42) are inserted and are located in two support poles (43), catchment box (44) are including catchment box (440) and hollow triangle-shaped's catchment piece (441), catchment box (440) are installed in the below of catchment board (38), and a plurality of water leakage holes have been seted up on the lateral wall of catchment box (440) adjacent gate (31) one side, catchment box (440) are installed in the inside of catchment box (440), and are located one side that deviates from the hole.

2. The roof water storage and drainage control device for preventing urban inland inundation according to claim 1, wherein: each water baffle assembly (50) comprises a water baffle (51) and a connecting rod assembly (52), the water baffle (51) is arranged below the water collecting box body (440), the upper end of the connecting rod assembly (52) is fixedly connected with the side wall of the enclosing wall (22), and the lower end of the connecting rod assembly is fixedly connected with the water baffle (51).

3. The roof water storage and drainage control device for preventing urban inland inundation according to claim 2, wherein: the breakwater (51) comprises an inclined upper breakwater section (510), a vertical section (511) and a lower breakwater section (512) which are sequentially connected, the upper breakwater section (510) is located under the water collecting box body (440) and located on one side of the enclosing wall (22) away from the center of the reservoir (21), the lower breakwater section (512) is located on one side of the top of the building (10), the connecting rod assembly (52) comprises an upper connecting rod (520) and a lower connecting rod (521), the upper end of the upper connecting rod (520) is fixedly connected with the side wall of the enclosing wall (22), the lower end of the connecting rod is fixedly connected with the upper breakwater section (510), the upper end of the lower connecting rod (521) is fixedly connected with the bottom of the roof (20), and the lower end of the lower connecting rod is fixedly connected with the lower breakwater section (512).