A parapet waterproof structure and construction method thereof

Abstract

The present invention relates to the technical field of building waterproofing, specifically to a parapet waterproofing structure and a construction method thereof, comprising a parapet main body, a roof main body fixedly arranged at the bottom of the parapet main body, a gutter formed at the connection between the parapet main body and the roof main body, a decorative panel fixedly connected to the top of the roof main body, a plurality of drainage arch holes for drainage are provided in the decorative panel, a soil retention plate for storing soil is fixedly connected to the middle of the decorative panel, and a water supply assembly for soil water replenishment is arranged at the bottom of the parapet main body. The present invention, through the sliding arrangement of the sunshade, when exposed to sunlight, relatively slides and closes to block the top of the parapet main body, blocking sunlight from entering the parapet main body, thereby avoiding the gutter from being exposed to the sun, preventing the accelerated aging of the waterproof material inside the gutter, extending the service life of the waterproof material, and reducing the exposure to high temperature and ultraviolet rays.

Description

Technical Field

[0001] The invention relates to the technical field of building waterproofing, in particular to a parapet waterproofing structure and a construction method thereof. Background Art

[0002] Parapets are mostly used for roof waterproofing. Waterproof protection is provided by adding parapets to the eaves. A gutter is preset between the eaves and the parapet in the form of a flashing end, so that rainwater can flow into the gutter along the slope of the eaves, and then be discharged by the drain pipe in the gutter. Since the gutter is exposed to the sun for a long time, it is inevitable that it will be exposed to the sun. Long-term exposure will cause the aging of the waterproof material at the gutter to be accelerated, especially the waterproof material directly exposed to the outside, such as the self-adhesive waterproof membrane. Its anti-aging performance will be affected and its service life will be shortened. Especially in the hot summer, high temperature and ultraviolet rays may cause the waterproof material to crack, harden, and brittle, thereby reducing its waterproof performance. Summary of the invention

[0003] The object of the present invention is to provide a parapet waterproof structure and a construction method thereof, so as to solve the problem in the above-mentioned background technology that the gutter is exposed to the sun for a long time, and the long-term exposure to the sun will lead to the accelerated aging of the waterproof material at the gutter, especially the waterproof material directly exposed to the outside such as the self-adhesive waterproof membrane, whose anti-aging performance will be affected and the service life will be shortened. Especially in the hot summer, high temperature and ultraviolet radiation may cause the waterproof material to crack, harden, brittle and the like, thereby reducing its waterproof performance.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a parapet waterproof structure, comprising a parapet main body, a roof main body is fixedly arranged at the bottom of the parapet main body, a gutter is formed at the connection between the parapet main body and the roof main body, a decorative panel is fixedly connected to the top of the roof main body, a plurality of drainage arch holes for drainage are provided in the decorative panel, a soil retention plate for storing soil is fixedly connected to the middle of the decorative panel, a water supply assembly for soil water replenishment is provided at the bottom of the parapet main body, a sunshade assembly is provided at the top of the parapet main body, the sunshade assembly comprises a sliding groove running through the top of the parapet main body, two sunshades are slidably connected in the sliding groove, a driving source for driving the sunshade to move is provided in the parapet main body, and a plurality of drainage pipes for drainage are fixedly connected in the gutter.

[0005] Preferably, the driving source includes two groups of driving parts fixedly connected in the sliding groove, each group of the driving parts is provided with two electric telescopic rods, the telescopic ends of the electric telescopic rods are fixedly connected with short-circuit bars, and the short-circuit bars are fixedly connected to the sun visor.

[0006] Preferably, the sunshade is provided with a plurality of air holes for ventilation and light supplement, the soil retention plate and the decorative plate are composed of a plurality of prefabricated plates spliced ​​together, the soil retention plate is provided with a plurality of water leakage holes, and a fine soil filter mesh is fixedly connected to the water leakage holes.

[0007] Preferably, the water supply assembly includes a water supply main, a water pump, a water storage box, a rotating cover, a plurality of water supply branch pipes and a plurality of drip pipes. The water storage box is arranged at the bottom of the parapet wall body, one end of the drain pipe is connected to the inside of the gutter, and the other end of the drain pipe is connected to the inside of the water storage box. The plurality of water supply branch pipes are equidistantly arranged inside the soil retention plate, and the plurality of drip pipes are respectively fixedly connected to the water supply branch pipes at corresponding positions and extend into the inside thereof. The water pump is arranged at the top of the water storage box, and the water inlet of the water pump is fixedly connected to the water inlet pipe, which is connected to the inside of the water storage box. The water outlet of the water pump is fixedly connected to the water supply main, and each of the water supply branch pipes is connected to the inside of the water supply main. A water injection port is provided on the top of the water storage box, and the rotating cover is rotatably connected in the water injection port.

[0008] Preferably, a water filter box is fixedly connected in the drain pipe, and the water filter box is provided with a plurality of through slots, each of the through slots is plugged with a filter plate, and a side connecting plate is provided at the notch of the through slot, the filter plate is fixedly connected to the side connecting plate, and the side connecting plate is provided with two slots, and a clamping block is slidably connected in the clamping slot, and the water filter box is provided with a bayonet adapted for the clamping block, and a clamping spring is fixedly connected on a side of the clamping block away from the clamping spring, the clamping spring is fixedly connected to the clamping slot, a sealing gasket is fixedly connected in the notch of the through slot, and the sealing gasket is tightly attached to the side connecting plate, and a control slot is provided in the side connecting plate, and a rope winding roller is rotatably connected in the control slot, and two traction ropes are wound and connected in the rope winding roller, and each traction rope is respectively fixedly connected to the clamping block at a corresponding position, and a handle is fixedly connected to one side of the rope winding roller.

[0009] Preferably, each of the sunshades is fixedly connected to two limit plates on one side close to the middle of the parapet body, the two limit plates are symmetrically arranged, and one end of the limit plate extends to the bottom of the sunshade to abut against the sliding groove.

[0010] Preferably, a plurality of photovoltaic panels are fixedly connected to the top of the sun visor, a battery is arranged at the bottom of the parapet body, an inverter is arranged at the bottom of the parapet body, the photovoltaic panels are electrically connected to the battery through the inverter, a controller and a time relay are arranged at the bottom of the parapet body, and the water pump, electric telescopic rod, electric push rod and time relay are all electrically connected to the controller.

[0011] A construction method for a parapet waterproof structure comprises the following steps:

[0012] S1. Hoist the prefabricated parapet wall body onto the roof, fix the electric telescopic rod in the sliding groove, then insert the sunshade from the inside of the parapet wall body into the sliding groove and keep it in an open state, weld the short-circuit strip to the sunshade, then assemble the prefabricated panels into decorative panels and soil retention panels, then install the actual shape of the exterior wall of the house, and assemble the water storage box;

[0013] S2. Fix multiple water supply branches in the soil retention plate and connect them to the water supply pipe, then connect the water supply pipe to the water outlet of the water pump, then install the controller and time relay at a suitable position and connect them to the electric telescopic rod, battery, electric push rod and water pump according to actual needs;

[0014] S3. Mix the grass seeds into the soil and pour them evenly on the soil retention plate. The controller controls the electric telescopic rod to energize so that the two sunshades move in opposite directions and close, thus completing the installation.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] In the present invention, through the sliding setting of the sunshade, when exposed to sunlight, it slides relatively and closes to block the top of the parapet wall body, blocking the sunlight from entering the parapet wall body, thereby preventing the gutter from being exposed to the sun, preventing the accelerated aging of the waterproof material inside the gutter, extending the service life of the waterproof material, and reducing the exposure to high temperature and ultraviolet rays, avoiding cracking, hardening, brittleness and the like of the waterproof material, thereby improving the waterproof performance of the parapet wall waterproof structure.

[0017] In the present invention, soil is filled in the soil retention plate and grass is planted. The green grass will release a large amount of water during photosynthesis and transpiration. When the water evaporates, it will absorb the surrounding heat, thereby playing a role in lowering the ambient temperature. In addition, the green grass can form a natural heat-insulating layer to reduce the conduction of external heat into the room. Especially in summer, this heat-insulating effect can significantly reduce the indoor temperature, and can block part of the sunlight to reduce the heating effect of direct sunlight on the roof. The green grass can improve the air circulation between the roof and the room, which is beneficial to the discharge of hot air and the introduction of fresh air, thereby further reducing the indoor temperature. It has the effect of energy saving and environmental protection, does not require the consumption of additional energy, and can reduce the negative impact of equipment such as air conditioners on the environment. It is combined with the building body to form a green building, which is beneficial to environmental protection.

[0018] In the present invention, in a rainy day environment, the sunshade is driven to move to the outside of the parapet main body by energizing the electric telescopic rod, and rainwater is collected by the gutter. The collected rainwater flows into the water storage box through the drainage pipe in the gutter for collection. Through the combined use of the water supply component and the time relay, the collected rainwater can be automatically and intermittently used to replenish the soil with water to maintain the living environment of the grass. No manual watering is required, which saves manpower. If the grass withers and needs to be replenished, the electric push rod is energized to drive its telescopic end to move and move away from the drip pipe, so that the port of the drip pipe is fully opened, and a small amount of grass seeds can be put into the water storage box to mix with water. The grass seeds are pumped out by the water pump and sent to the soil through the water supply main pipe, the water supply branch pipe and the drip pipe in sequence, so that the grass seeds can be automatically replenished without manual replenishment and it is more convenient and quick.

[0019] In the present invention, the photovoltaic panels can be used to convert solar energy into electrical energy and transmit it to the battery for storage, thereby supplying power to power equipment such as water pumps, electric telescopic rods and electric push rods, thereby reducing the use cost of the parapet waterproof structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 It is a structural schematic diagram of the decorative frame in the present invention;

[0022] Figure 3 It is a structural cross-sectional view of the present invention;

[0023] Figure 4 It is a schematic diagram of the structure of the water storage box in the present invention;

[0024] Figure 5 It is a structural schematic diagram of the dripping pipe in the present invention;

[0025] Figure 6 It is a schematic diagram of the structure of the water filter box in the present invention;

[0026] Figure 7 for Figure 2 A magnified view of the structure at center A;

[0027] Figure 8 for Figure 6 A magnified view of the structure at point B.

[0028] In the figure: 1. Parapet body; 2. Sunshade; 3. Photovoltaic panel; 4. Air vent; 5. Water supply main pipe; 6. Drain pipe; 7. Water pump; 8. Water storage box; 9. Rotating cover; 10. Water filter box; 11. Decorative panel; 12. Roof body; 13. Drainage arch hole; 14. Electric telescopic rod; 15. Water supply branch pipe; 16. Soil retention plate; 17. Soil filter fine mesh; 18. Gutter; 19. Drip pipe; 20. Drip tray; 21. Connecting rod; 22. Electric push rod; 23. Filter plate; 24. Side connecting plate; 25. Rope roller; 26. Handle; 27. Traction rope; 28. Limit plate; 29. ​​Block; 30. Sealing pad; 31. Retaining spring. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] See also Figure 1-Figure 8 , an embodiment provided by the present invention:

[0031] A parapet waterproof structure comprises a parapet main body 1, a roof main body 12 is fixedly arranged at the bottom of the parapet main body 1, a gutter 18 is formed at the connection between the parapet main body 1 and the roof main body 12, a decorative plate 11 is fixedly connected to the top of the roof main body 12, a plurality of drainage arch holes 13 for drainage are opened in the decorative plate 11, a soil retention plate 16 for storing soil is fixedly connected to the middle of the decorative plate 11, a water supply component for soil water replenishment is arranged at the bottom of the parapet main body 1, a sunshade component is arranged at the top of the parapet main body 1, and the sunshade component comprises a sliding groove penetrating through the top of the parapet main body 1, and a sliding groove is provided in the sliding groove. There are two sunshades 2 in sliding connection, a driving source for driving the sunshades 2 to move is arranged in the parapet main body 1, and a plurality of drainage pipes 6 for drainage are fixedly connected in the gutter 18. Through the sliding setting of the sunshades 2, when exposed to the sun, they slide and close relatively to block the top of the parapet main body 1, blocking the sun from entering the parapet main body 1, thereby preventing the gutter 18 from being exposed to the sun, preventing the accelerated aging of the waterproof material inside the gutter 18, extending the service life of the waterproof material, reducing the exposure to high temperature and ultraviolet rays, avoiding cracking, hardening, embrittlement and the like of the waterproof material, and improving the waterproof performance of the parapet waterproof structure;

[0032] See also Figure 3In this embodiment, the driving source includes two sets of driving members fixedly connected in the sliding groove, each set of driving members is provided with two electric telescopic rods 14, the telescopic ends of the electric telescopic rods 14 are fixedly connected with short-circuit bars, and the short-circuit bars are fixedly connected to the sun visor 2. The sun visor 2 can be controlled to move by setting the electric telescopic rods 14;

[0033] It should be noted that a plurality of air holes 4 for ventilation and light supplement are provided in the sunshade 2, the soil retention plate 16 and the decorative plate 11 are composed of a plurality of prefabricated plates, a plurality of water leakage holes are provided in the soil retention plate 16, and a soil filter fine mesh 17 is fixedly connected in the water leakage hole, and the air holes 4 can provide ventilation and light supplement functions when the two sunshades 2 are closed, and the setting of the water leakage holes and the soil filter fine mesh 17 can filter and retain the soil by using the soil filter fine mesh 17 when there is too much water inside the soil, and discharge the excess water at the same time;

[0034] The specific types of grass seeds can be selected according to actual needs, including but not limited to Sedum, lavender, bougainvillea, Bermuda grass, Zoysia and buffalo grass, etc., which need to be selected one by one or used in combination according to actual needs.

[0035] See also Figure 3 , Figure 5In this embodiment, the water supply assembly includes a water supply main pipe 5, a water pump 7, a water storage box 8, a rotating cover 9, a plurality of water supply branches 15 and a plurality of drip pipes 19. The water storage box 8 is arranged at the bottom of the parapet wall body 1, one end of the drainage pipe 6 is connected to the inside of the gutter 18, and the other end of the drainage pipe 6 is connected to the inside of the water storage box 8. The plurality of water supply branches 15 are equidistantly arranged inside the soil retention plate 16, and the plurality of drip pipes 19 are respectively fixedly connected to the water supply branches 15 at corresponding positions and extend to the inside thereof. The water pump 7 is arranged at the top of the water storage box 8, and the water inlet of the water pump 7 is fixedly connected to the water inlet pipe, and the water inlet pipe is connected to the inside of the water storage box 8. The water outlet of the water pump 7 is fixedly connected to the water supply main pipe 5, each water supply branch pipe 15 is connected to the inside of the water supply main pipe 5, a water filling port is provided on the top of the water storage box 8, and the rotating cover 9 is rotatably connected to the water filling port. A drip tray 20 is provided on one side of the drip pipe 19, and a plurality of drip holes are provided in the drip tray 20. A plurality of connecting rods 21 are provided on both sides of the water supply branch pipe 15, and two adjacent drip trays 20 are fixedly connected by the connecting rods 21. A plurality of electric push rods 22 are provided on both sides of the water supply branch pipe 15, and the telescopic ends of the electric push rods 22 are fixedly connected to the drip tray 20. The top of the sun visor 2 is fixedly connected There are a plurality of photovoltaic panels 3, a battery is arranged at the bottom of the parapet body 1, an inverter is arranged at the bottom of the parapet body 1, the photovoltaic panel 3 is electrically connected to the battery through the inverter, a controller and a time relay are arranged at the bottom of the parapet body 1, a water pump 7, an electric telescopic rod 14, an electric push rod 22 and a time relay are all electrically connected to the controller, in a rainy environment, the sunshade 2 is driven to move to the outside of the parapet body 1 by energizing the electric telescopic rod 14, and rainwater is collected by the gutter 18, and the collected rainwater flows into the water storage box 8 through the drainage pipe 6 in the gutter 18 and is collected by the water supply component and the time relay. The combined use of electrical appliances can automatically and intermittently utilize the collected rainwater to replenish the soil with water, maintain the living environment of the grass, and save manpower without the need for manual watering. If the grass withers and needs to be replenished, the electric push rod 22 is energized to enable its telescopic end to drive the drip tray 20 to move and away from the drip pipe 19, so that the port of the drip pipe 19 is fully opened, and a small amount of grass seeds can be put into the water storage box 8 to mix with water. The mixed water is pumped out by the water pump 7 and delivered to the soil in position through the water supply main pipe 5, the water supply branch pipe 15 and the drip pipe 19 in sequence, so that the grass seeds can be automatically replenished without manual replenishment and it is more convenient and quick.

[0036] It should be noted that when there is insufficient rainwater, the interior of the water storage box 8 can be opened by reversing the rotating cover 9 and water can be manually poured into the interior. In a rainy environment, when too much rainwater is collected, the excess rainwater will push open the rotating cover 9 and overflow to the outside of the water storage box 8 and be automatically discharged. The grass seeds can also be placed by turning and opening the rotating cover 9. An external pipeline can also be connected to the water supply main 5, and grass seeds can be placed through the pipeline. After the pipeline is closed, the water supply and grass seed delivery operation can be carried out.

[0037] See also Figure 6 , Figure 8 In this embodiment, a water filter box 10 is fixedly connected in the drain pipe 6, and a plurality of through-slots are provided in the water filter box 10, each of which is plugged with a filter plate 23, and a side connecting plate 24 is provided at the notch of the through-slot, and the filter plate 23 is fixedly connected to the side connecting plate 24, and two card slots are provided in the side connecting plate 24, and a card block 29 is slidably connected in the card slot, and a card slot adapted to the card block 29 is provided in the water filter box 10, and a clamping spring 31 is fixedly connected to the side of the card slot away from the clamping spring, and the clamping spring 31 is fixedly connected to the card slot, and a sealing gasket 30 is fixedly connected in the notch of the through-slot, and the sealing gasket 30 is tightly attached to the side connecting plate 24, and a side connecting plate 24 is provided in the side connecting plate 24. A control groove is provided in which a rope winding roller 25 is rotatably connected. Two traction ropes 27 are wound and connected in the rope winding roller 25. Each traction rope 27 is fixedly connected to a block 29 at a corresponding position. A handle 26 is fixedly connected to one side of the rope winding roller 25. Through the layer-by-layer filtration of multiple electric push rods 22, rainwater can be filtered into a standard that meets the needs of grass blanket, which is convenient for later use. The specific material of the filter plate 23 needs to be adjusted according to actual use requirements, including but not limited to sand, activated carbon, ceramic particles, quartz sand, ion exchange resin, a combination of sand and gravel, nanofiltration membrane, fiber cloth and other materials that can filter rainwater.

[0038] See also Figure 7 In this embodiment, each sun visor 2 is fixedly connected to one side close to the middle part of the parapet body 1 with two limit plates 28. The two limit plates 28 are symmetrically arranged. One end of the limit plate 28 extends to the bottom of the sun visor 2 to abut against the sliding groove. The setting of the limit plate 28 limits the range of movement of the sun visor 2, thereby improving the safety of the sun visor 2 and preventing it from falling.

[0039] A construction method for a parapet waterproof structure comprises the following steps:

[0040] S1, hoist the prefabricated parapet wall body 1 onto the roof, fix the electric telescopic rod 14 in the sliding groove, then insert the sunshade 2 from the inside of the parapet wall body 1 into the sliding groove and keep it in an open state, weld the short-circuit strip to the sunshade 2, then assemble the prefabricated panels into the decorative panels 11 and the soil retention panels 16, then install the actual shape of the exterior wall of the house, and assemble the water storage box 8;

[0041] S2, fix the multiple water supply branches 15 in the soil retention plate 16 respectively and connect them to the water supply main pipe 5, then connect the water supply main pipe 5 to the water outlet of the water pump 7, then install the controller and the time relay at a suitable position and connect them to the electric telescopic rod 14, the battery, the electric push rod 22 and the water pump 7 according to actual needs;

[0042] S3, mix the grass seeds into the soil and pour them evenly on the soil retention plate 16, and the controller controls the electric telescopic rod 14 to energize so that the two sunshades 2 move in opposite directions to close, and the installation is completed.

[0043] Working principle: In the initial state, the sunshade 2 is in a closed state. By filling the soil retention plate 16 with soil and planting grass blankets, the green grass blankets will release a large amount of water during photosynthesis and transpiration. When the water evaporates, it will absorb the surrounding heat, thereby playing a role in lowering the ambient temperature. In addition, these green grass blankets can form a natural heat insulation layer to reduce the conduction of external heat into the room.

[0044] When the grass blanket needs to fill in light over a large area, the controller controls the electric telescopic rod 14 to be energized, and the telescopic end thereof drives the sunshade 2 to move and open to the outside of the parapet wall body 1, so that the grass blanket can fill in light sufficiently, which is helpful for photosynthesis. When exposed to sunlight, the sunshade 2 relatively slides and closes to block the top of the parapet wall body 1, blocking sunlight from entering the parapet wall body 1, thereby preventing the gutter 18 from being exposed to the sun, preventing the accelerated aging of the waterproof material inside the gutter 18, extending the service life of the waterproof material, reducing the exposure to high temperature and ultraviolet rays, avoiding cracking, hardening, embrittlement and the like of the waterproof material, and improving the waterproof performance of the parapet wall waterproof structure;

[0045] In a rainy environment, the electric telescopic rod 14 is energized to drive the sunshade 2 to move to the outside of the parapet body 1, and the gutter 18 is used to collect rainwater. The collected rainwater flows into the water storage box 8 through the drainage pipe 6 in the gutter 18 for collection. Through the combined use of the water supply component and the time relay, the collected rainwater can be automatically and intermittently used to replenish the soil and maintain the living environment of the grass. No manual watering is required, which saves manpower. If the grass withers and needs to be replenished, the electric push rod 22 is energized to make its telescopic end drive the drip tray 20 to move and away from the drip pipe 19, so that the port of the drip pipe 19 is fully opened, and a small amount of grass seeds can be put into the water storage box 8 to mix with water, and then pumped out by the water pump 7 and delivered to the soil through the water supply main pipe 5, the water supply branch pipe 15 and the drip pipe 19 in sequence, so that the grass seeds can be automatically replenished.

[0046] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A parapet waterproof structure, characterized in that: The invention comprises a parapet wall body (1), a roof body (12) is fixedly arranged at the bottom of the parapet wall body (1), a gutter (18) is formed at the connection between the parapet wall body (1) and the roof body (12), a decorative plate (11) is fixedly connected to the top of the roof body (12), a plurality of drainage arch holes (13) for drainage are provided in the decorative plate (11), a soil retention plate (16) for storing soil is fixedly connected to the middle of the decorative plate (11), a water supply assembly for soil water replenishment is provided at the bottom of the parapet wall body (1), a sunshade assembly is provided at the top of the parapet wall body (1), the sunshade assembly comprises a sliding groove extending through the top of the parapet wall body (1), two sunshades (2) are slidably connected in the sliding groove, a driving source for driving the sunshades (2) to move is provided in the parapet wall body (1), and a plurality of drainage pipes (6) for drainage are fixedly connected in the gutter (18); The driving source comprises two groups of driving members fixedly connected in the sliding groove, each group of the driving members is provided with two electric telescopic rods (14), the telescopic ends of the electric telescopic rods (14) are fixedly connected to short-circuit bars, and the short-circuit bars are fixedly connected to the sun visor (2); The sunshade (2) is provided with a plurality of air holes (4) for ventilation and light supplementation. The soil retention plate (16) and the decorative plate (11) are composed of a plurality of prefabricated plates spliced ​​together. The soil retention plate (16) is provided with a plurality of water leakage holes. A soil filter fine mesh (17) is fixedly connected to the water leakage holes. The water supply assembly comprises a water supply main pipe (5), a water pump (7), a water storage box (8), a rotating cover (9), a plurality of water supply branch pipes (15) and a plurality of drip pipes (19); the water storage box (8) is arranged at the bottom of the parapet wall body (1); one end of the drainage pipe (6) is connected to the inside of the gutter (18); the other end of the drainage pipe (6) is connected to the inside of the water storage box (8); the plurality of water supply branch pipes (15) are equidistantly arranged inside the soil retention plate (16); the plurality of drip pipes (19) are arranged in a plurality of directions. The water pump (7) is fixedly connected to the water supply branch pipe (15) at the corresponding position and extends into the interior thereof; the water pump (7) is arranged on the top of the water storage box (8); the water inlet of the water pump (7) is fixedly connected to the water inlet pipe, and the water inlet pipe is communicated with the interior of the water storage box (8); the water outlet of the water pump (7) is fixedly connected to the water supply main pipe (5); each of the water supply branch pipes (15) is communicated with the interior of the water supply main pipe (5); a water injection port is opened on the top of the water storage box (8); and the rotating cover (9) is rotatably connected to the water injection port; A water filter box (10) is fixedly connected to the drainage pipe (6), a plurality of through slots are provided in the water filter box (10), a filter plate (23) is inserted into each of the through slots, a side connecting plate (24) is provided at the notch of the through slots, the filter plate (23) is fixedly connected to the side connecting plate (24), two slots are provided in the side connecting plate (24), a block (29) is slidably connected in the slots, a snap-in slot matching the block (29) is provided in the water filter box (10), and the block (29) is fixedly connected to the side away from the snap-in slot. A clamping spring (31) is connected, the clamping spring (31) is fixedly connected to the card slot, a sealing gasket (30) is fixedly connected in the slot of the insertion slot, the sealing gasket (30) is tightly attached to the side connecting plate (24), a control slot is provided in the side connecting plate (24), a rope winding roller (25) is rotatably connected in the control slot, two traction ropes (27) are wound and connected in the rope winding roller (25), each traction rope (27) is respectively fixedly connected to a card block (29) at a corresponding position, and a handle (26) is fixedly connected to one side of the rope winding roller (25); A drip tray (20) is provided on one side of the drip pipe (19), and a plurality of drip holes are provided in the drip tray (20). A plurality of connecting rods (21) are provided on both sides of the water supply branch pipe (15), and two adjacent drip trays (20) are fixedly connected via the connecting rods (21). A plurality of electric push rods (22) are provided on both sides of the water supply branch pipe (15), and the telescopic ends of the electric push rods (22) are fixedly connected to the drip tray (20).

2. A parapet waterproof structure according to claim 1, characterized in that: Two limit plates (28) are fixedly connected to one side of each sunshade (2) close to the middle of the parapet wall body (1), and the two limit plates (28) are symmetrically arranged, and one end of the limit plate (28) extends to the bottom of the sunshade (2) to abut against the sliding groove.

3. A parapet waterproof structure according to claim 1, characterized in that: A plurality of photovoltaic panels (3) are fixedly connected to the top of the sunshade (2); a storage battery is arranged at the bottom of the parapet main body (1); an inverter is arranged at the bottom of the parapet main body (1); the photovoltaic panels (3) are electrically connected to the storage battery via the inverter; a controller and a time relay are arranged at the bottom of the parapet main body (1); and the water pump (7), the electric telescopic rod (14), the electric push rod (22) and the time relay are all electrically connected to the controller.

4. A construction method of a parapet waterproof structure, applicable to a parapet waterproof structure as claimed in any one of claims 1 to 3, characterized in that: The following steps are involved: S1, hoisting the prefabricated parapet wall body (1) onto the roof, fixing the electric telescopic rod (14) in the sliding groove, then inserting the sunshade (2) from the inside of the parapet wall body (1) into the sliding groove to keep it in an open state, welding the short-circuit strip to the sunshade (2), then assembling the prefabricated panels to form the decorative panels (11) and the soil retention panels (16), then installing the actual shape of the exterior wall of the house, and assembling the water storage box (8); S2, fixing a plurality of water supply branches (15) in the soil retention plate (16) and connecting them to the water supply main pipe (5), then connecting the water supply main pipe (5) to the water outlet of the water pump (7), then installing the controller and the time relay at a suitable position and connecting them to the electric telescopic rod (14), the battery, the electric push rod (22) and the water pump (7) according to actual needs; S3, the grass seeds are mixed into the soil and evenly poured onto the soil retention plate (16), and the controller controls the electric telescopic rod (14) to be energized so that the two sunshades (2) move in opposite directions and close, thus completing the installation.

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