Drainage system for curved roof and maintenance construction method of drainage system
By installing a drainage main frame, a permeable cover and a guide plate on the curved roof, the water seepage problem of the special-shaped curved roof is solved, safe and efficient maintenance is achieved, roof damage and noise are avoided, and waterproofness is improved.
Patent Information
- Application Number
- CN202511223811.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-29
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2045-08-29
AI Technical Summary
The drainage structure of the special-shaped curved roof has the problem of water seepage, and the curved roof is easily damaged during maintenance, and maintenance is inconvenient.
A drainage system for curved roofs is used, including a drainage main frame, a permeable cover and a drainage ditch. The permeable cover covers the top of the drainage channel, the connecting block is detachable for easy maintenance, the guide plate guides the water flow, and the anti-detachment cover improves leak resistance. Maintenance is carried out at the bottom of the roof to avoid damage.
It improves the waterproofness and safety of curved roofs, reduces maintenance noise, avoids damage to the roof surface, and simplifies the maintenance process.
Smart Images

Figure CN120739282A_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of roof drainage technology, and in particular to a drainage system for a curved roof and a maintenance and construction method thereof. Background Art
[0002] As people's aesthetic tastes evolve, many large public buildings are now featuring irregularly curved roofs. While these roofs offer a variety of shapes and aesthetic appeal, they present challenges such as numerous water accumulation areas and multiple water flow directions. However, due to the numerous overlapping and complex intersections in the drainage structure of irregularly curved roofs, the waterproofing membrane requires extensive cutting, resulting in poor drainage integrity and a high risk of water seepage. To address this issue, irregularly curved roofs are often equipped with numerous gutters, water collection troughs, rain gutters, exterior decorative components, and special-shaped skylights. To preserve the aesthetic appeal of the curved roof, the water collection trough is typically located at the bottom of the roof's valley, running along the direction of the valley. Maintenance requires disassembly of the top curved surface panels. Furthermore, curved roofs often have poor load-bearing properties, making them susceptible to damage during maintenance. Furthermore, curved roofs are typically constructed by splicing together large surfaces, requiring complete remanufacturing if damaged. Furthermore, the curvature of each surface varies, making production difficult and maintenance inconvenient. Summary of the Invention
[0003] In order to improve the problem that the curved surface of the roof may be damaged during the later maintenance of the curved roof, the present application provides a drainage system for a curved roof and a construction method thereof.
[0004] In a first aspect, the present application provides a drainage system for a curved roof, which adopts the following technical solution: A drainage system for a curved roof comprises a main drainage frame, a plurality of permeable covers, and a plurality of drainage grooves. The main drainage frame is provided with a drainage channel, and the plurality of permeable covers are arranged in a row and cover the top of the drainage channel. The main drainage frame comprises two main support frames and a connecting frame connecting the two main support frames, and the drainage channel is located between the two main support frames. The mutually facing surfaces of the main support bones are penetrated with connection grooves, and connection blocks are inserted into the connection grooves, and the ends of the connection blocks protrude from the inner walls of the two main support bones close to each other; a plurality of the drainage grooves are arranged in a row in the drainage channel, and the ends of adjacent drainage grooves are sealed and fixed by heat welding; the drainage grooves include a main groove and supporting protrusions arranged on both sides of the top of the main groove, and the two supporting protrusions are mounted above the connection blocks.
[0005] By adopting the above technical solution, the trough of the curved roof is prone to water collection, which makes leakage easy to occur. The drainage structure is located below the trough of the curved roof, and the lowest point of the trough is located on the top of the permeable cover. If water seepage occurs in the trough, the water is likely to gather in the trough and then drip onto the permeable cover.
[0006] During maintenance, after the connecting block is removed from the connecting groove, the restriction on the drainage groove by the connecting block disappears, making it easier to maintain or replace the drainage groove, so that maintenance can be carried out at the bottom of the roof. First, there is no need for personnel to go to the top of the roof for maintenance, which is safer. Second, there is no need to remove the curved sheet of the roof, so there is no problem of the curved sheet being damaged during removal. Third, the load-bearing capacity of the roof is generally lower than that of a conventional roof. If maintenance is carried out on the top of the roof, the problem of local overload and damage to the roof may occur. If maintenance is carried out at the bottom of the roof, this problem will not occur.
[0007] Optionally, a guide plate is provided at the bottom of the permeable cover, and the top of the guide plate is integrally formed on both sides of the bottom of the permeable cover. The bottom end of the guide plate extends toward each other and is close to the center of the bottom of the main groove. A plurality of permeable grooves are opened in the middle of the permeable cover, and the projections of the plurality of permeable grooves toward the bottom of the permeable cover are located between the connection between the two guide plates and the permeable cover.
[0008] By adopting this technical solution, the tops of the two deflectors are integrally formed on both sides of the bottom of the permeable cover. This allows water entering through the permeable trough to flow directly through the deflectors into the drainage trough, where it is then discharged from the eaves. The deflectors prevent water from reaching the drainage trough, thereby reducing seepage in the gap between the drainage trough and the main support frame. They also reduce noise when water falls into the drainage trough.
[0009] Optionally, the ends of the top surfaces of the main supporting frames that are close to each other are provided with steps for placing the water-permeable cover, the steps are provided with water-blocking ridges, and the water-permeable cover is provided with a water-blocking groove for accommodating the water-blocking ridges, and the inner wall of the water-blocking groove fits the outer wall of the water-blocking ridges.
[0010] By adopting the above technical solution, the water-blocking convex strips prevent water from directly penetrating through the gap between the main supporting frame and the water-permeable cover.
[0011] Optionally, the connecting bone is located below the water-permeable cover, and the connecting bone is located above the supporting convex plate, and the top surface of the supporting convex plate is pressed against the bottom of the connecting bone.
[0012] By adopting the above technical solution, the supporting convex plate is pressed against the connecting bone through the connecting block, so that the installation is stable and it is not easy to vibrate and make noise when the wind blows.
[0013] Optionally, ends of the connecting blocks on different main supporting bones protrude from side walls of the two main supporting bones away from each other.
[0014] By adopting the above technical solution, the end of the connecting block protrudes from the side walls of the two main supporting bones that are away from each other, making it easy to disassemble the connecting block.
[0015] Optionally, it further comprises a plurality of anti-slip covers, which are spliced in a row and arranged below the main support bone, and the ends of adjacent anti-slip covers are connected by heat welding and sealing; the end surfaces of the connecting blocks on different main support bones are provided with guide slopes on the end surfaces away from each other, and the guide slopes on the connecting blocks on different main support bones are inclined downward and close to each other; The anti-slip cover includes a connecting plate and anti-slip splints arranged at both ends of the width of the top surface of the connecting plate, and anti-slip strips are fixed to the side where the top ends of the anti-slip splints are close to each other; when the anti-slip cover moves upward to cover the drainage channel, the anti-slip splints are located on both sides of the two main supporting bones, and the two anti-slip strips slide up and down on the two guide inclined surfaces to separate the side walls from each other. After the anti-slip strips move to the top of the connecting block, the anti-slip strips are close to each other and clamped above the connecting block, and the ends of the connecting blocks on different main supporting bones that are far away from each other are pressed against the side walls of the connecting plates that are close to each other.
[0016] By adopting this technical solution, the anti-drop shield can divert leaking water, improving the roof's leak-proof performance while also providing a decorative effect that enhances the roof's interior aesthetics. It also forces the connecting blocks on different main support beams toward each other, preventing them from falling and causing injury. The guide slope facilitates the snap-on installation of the anti-drop shield.
[0017] In a second aspect, the present application provides a maintenance and construction method for a drainage system for a curved roof, which adopts the following technical solution: A maintenance and construction method for the above-mentioned curved roof drainage system includes the following steps: S1, find the water leakage problem: observe the situation at the leaking section and determine the location and cause of the leak; S2, construction according to the cause of the leakage: S21. If the leakage problem is caused by large-scale cracks in the drainage ditch, the drainage ditch needs to be replaced. First, remove the connecting blocks on both sides of the cracked drainage ditch, remove the connecting blocks from the connecting groove, cut the leaking section of the drainage ditch and remove it. Then, cut a section of the same length from the intact drainage ditch in the repair building material according to the length of the cut drainage ditch. Then, place the repaired section of the drainage ditch in the vacant space, and then install the connecting blocks back into the connecting groove to support the repaired section of the drainage ditch. Then, heat weld the two ends of the repaired section of the drainage ditch from the bottom of the drainage ditch to ensure a sealed connection. S22: If the water leakage problem is caused by incomplete welding at the welds between adjacent drainage grooves or small cracks in the drainage grooves, the welds or small cracks in the adjacent drainage grooves are cleaned and repaired by welding.
[0018] By adopting the above technical solution, roof maintenance is carried out at the bottom of the roof, which makes the operation convenient and the construction safety of workers higher. At the same time, the roof is not easily damaged and maintenance is convenient.
[0019] In summary, this application includes at least one of the following beneficial technical effects: 1. This application solution facilitates maintenance inside the roof, making the curved roof less susceptible to damage during maintenance, ensuring the integrity of the roof and making maintenance easier; 2. The deflector guides the water flow, improving the waterproofness of the roof and reducing the noise of the water flow; 3. The anti-drop cover further improves the roof's leak-proofness and also prevents the connecting blocks from falling off. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a cross-sectional schematic diagram of the curved roof drainage system of the embodiment when it is installed at the valley of the curved roof.
[0021] Figure 2 It is an exploded view of the drainage system for a curved roof according to an embodiment.
[0022] Explanation of the accompanying reference numerals: 1. Drainage main frame; 11. Main supporting bone; 12. Connecting bone; 13. Leveling plate; 14. Step; 15. Water-blocking convex strip; 2. Permeable cover; 21. Water-blocking groove; 22. Guide plate; 23. Permeable groove; 3. Drainage ditch; 31. Main groove; 32. Supporting convex plate; 4. Drainage flow channel; 5. Connecting groove; 51. Connecting block; 511. Guide slope; 6. Anti-slip cover; 61. Connecting plate; 62. Anti-slip splint; 63. Anti-slip strip. DETAILED DESCRIPTION
[0023] The present application is further described in detail below with reference to the accompanying drawings.
[0024] The embodiment of the present application discloses a drainage system for a curved roof. Figure 1 and Figure 2 The drainage system for a curved roof includes a main drainage frame 1, a plurality of permeable covers 2, and a plurality of drainage grooves 3. A drainage channel 4 is provided on the main drainage frame 1. The main drainage frame 1 includes two parallel main support frames 11 and a connecting frame 12 connecting the two main support frames 11. The drainage channel 4 is located between the two main support frames 11.
[0025] A connecting bone 12 is fixed to each end of the main support bone 11. Multiple connecting bones 12 are provided, spaced apart. A leveling plate 13 is welded to the top of the main support bone 11. The bottom of each leveling plate 13, located near one side, is sealed and welded to the top surface of the main support bone 11. The top of the leveling plate 13 is welded to the bottom of the curved sheet material. Leveling plates 13 ensure that the adjacent side walls of the two main support bones 11 face each other in a vertical position. A weight-reducing cavity is provided within the main support bone 11 to reduce weight and reduce the load-bearing burden of the curved roof.
[0026] Several permeable covers 2 are arranged in a row, covering the top of the drainage channel 4. Connecting ribs 12 are located beneath the covers 2. The adjacent ends of the main support ribs 11 are provided with steps 14 for the covers 2 to rest on. Water-blocking ridges 15 are welded to the steps 14. The covers 2 are provided with water-blocking grooves 21 for the ridges 15 to accommodate. The inner wall of the grooves 21 fits over the outer wall of the ridges 15. The covers 2 are 1-2 meters long and made of polypropylene. The ends of adjacent covers 2 are sealed by heat welding.
[0027] Several connecting slots 5 are formed through the opposing surfaces of the main support bones 11. These slots 5 are spaced 40-80 cm apart along the length of the main support bones 11. Connecting blocks 51 are inserted into each of the connecting slots 5, with the ends of the connecting blocks 51 protruding from the inner walls of the two main support bones 11, where they face each other.
[0028] The drainage channels 3 are arranged in a row within the drainage channel 4. These channels are made of thermoplastic plastic, typically polypropylene. The ends of adjacent channels are heat-welded and sealed. The channels 3 comprise a main channel 31 and support cams 32 integrally formed on either side of the top of the main channel 31. The two support cams 32 extend away from each other and are mounted above a connecting block 51. The connecting rib 12 is positioned above the support cams 32. The connecting block 51 secures the drainage channels 3 against the bottom surface of the connecting rib 12, ensuring stable installation.
[0029] The top edges of the two rows of connecting blocks 51, which are close to each other, are provided with a first chamfer, and the bottom edges of the two supporting protrusions 32, which are far from each other, are provided with a second chamfer. The first chamfer facilitates the insertion of the connecting blocks 51 into the connecting grooves 5. The matching of the first and second chamfers facilitates the upward tightening of the supporting protrusions 32, thereby facilitating the tightening of the supporting protrusions 32 against the connecting bones 12. A guide plate 22 is provided at the bottom of the permeable cover 2. The top ends of the guide plates 22 are integrally formed on both sides of the bottom of the permeable cover 2. The bottom ends of the guide plates 22 extend toward each other, near the center of the bottom of the main groove 31. The spacing between the bottom ends of the guide plates 22 and the main groove 31 is 1-2 cm.
[0030] The permeable cover 2 has several permeable grooves 23 formed in the middle. The projections of the grooves 23 toward the bottom of the permeable cover 2 are located between the two guide plates 22 and the connection between the permeable cover 2. This allows water entering through the grooves 23 to be directed directly through the guide plates 22 into the drainage ditch 3. The grooves 23 are 0.5-1 cm wide, preventing larger debris from entering.
[0031] The ends of the two rows of connecting blocks 51 on different main support bones 11 protrude from the sidewalls of the two main support bones 11, which are spaced apart from each other. Guide slopes 511 are provided on the end surfaces of the connecting blocks 51 on different main support bones 11, which face away from each other. The guide slopes 511 on the connecting blocks 51 on different main support bones 11 are inclined downward and approach each other.
[0032] The curved roof drainage system also includes several anti-slip covers 6, which are arranged in a row below the main support frame 11. The anti-slip covers 6 are made of thermoplastic plastic, such as polypropylene. The ends of adjacent anti-slip covers 6 are heat-welded and sealed. The anti-slip covers 6 are 1 meter long.
[0033] The anti-slip cover 6 includes a connecting plate 61 and anti-slip splints 62 integrally formed at both ends of the width of the top surface of the connecting plate 61. The two anti-slip splints 62 are arranged in parallel. The top surface of the cross section of the connecting plate 61 is a concave arc surface, which is convenient for water collection and also serves as a device.
[0034] An anti-slip strip 63 is integrally formed on the side of the tops of the anti-slip splints 62 that are close to each other. When the anti-slip cover 6 moves upward to cover the drainage channel 4, the two anti-slip splints 62 are located on either side of the two main support bones 11. As the two anti-slip strips 63 slide upward against the two guide ramps 511, the two anti-slip strips 63 move away from each other to separate. When the anti-slip strips 63 move to the top of the connecting block 51, they rebound and move closer together to engage above the connecting block 51. The distal ends of the connecting blocks 51 on different main support bones 11 abut against the proximal sides of the connecting plates 61.
[0035] The drainage system for a curved roof according to the present embodiment is implemented as follows: the trough of the curved roof gradually slopes downward toward the eaves, with a drainage structure located below the trough and atop a permeable cover 2. Rainwater collects in the trough and flows through it. If water seeps into the trough, it drips onto the permeable cover 2. The drainage structure extends longitudinally along the direction of the trough of the curved roof and gradually slopes downward toward the eaves. Water entering the drainage gutter 3 is guided through the gutter 3 to be discharged at the edge of the eaves.
[0036] The present application also discloses a maintenance and construction method for a drainage system for a curved roof, comprising the following steps: S1, find the water leakage problem: observe the situation at the leaking section and determine the location and cause of the leak; S2, construction according to the cause of the leakage: S21, if the cause of the water leakage is that the anti-detachment cover 6 is cracked or damaged over a large area, the anti-detachment cover 6 needs to be replaced. After cutting the anti-detachment cover 6 of the leaking section, the anti-detachment strip 63 is lifted up by a tool to release the anti-detachment strip 63 from the state of being clamped on the connecting block 51 and removed. Then, according to the length of the cut anti-detachment cover 6, a section of the same length is cut from the intact anti-detachment cover 6 in the repaired building material. The anti-detachment cover 6 of the repaired section is clamped back on the connecting block 51. Then, the two ends of the anti-detachment cover 6 of the repaired section are sealed with the ends of the adjacent anti-detachment cover 6 by heat welding. If the anti-drop cover 6 is intact, cut the anti-drop cover 6 as long as possible, and try not to overlap the cutting position with the original heat weld seam. Then, use a tool to tilt the anti-drop strip 63, so that the anti-drop strip 63 is released from the state of being clamped on the connecting block 51 and removed, and the remaining positions are checked. After the inspection is completed, the cut anti-drop cover 6 is clamped back on the connecting block 51, and then the two ends of the cut anti-drop cover 6 are heat-welded and sealed with the adjacent ends of the anti-drop cover 6. S22: If the leakage problem is caused by large-scale cracks or damage in the drainage ditch 3, the drainage ditch 3 needs to be replaced. First, remove the connecting blocks 51 on both sides of the cracked drainage ditch 3, remove the connecting blocks 51 from the connecting groove 5, cut the leaking section of the drainage ditch 3 and remove it. Then, cut a section of the same length from the intact drainage ditch 3 in the repair building material according to the length of the cut drainage ditch 3. Then, put the repaired section of the drainage ditch 3 into the vacant space, and then install the connecting blocks 51 back into the connecting groove 5 to support the repaired section of the drainage ditch 3. Then, heat weld the two ends of the repaired section of the drainage ditch 3 from the bottom of the drainage ditch 3 to ensure a sealed connection. S23, if the water leakage problem is caused by incomplete welding of the welds between adjacent drainage grooves 3 or adjacent anti-detachment covers 6, then the welds of the adjacent drainage grooves 3 or the welds between adjacent anti-detachment covers 6 are cleaned and repaired; S24: If the water leakage problem is caused by a small crack in the drainage groove 3 or the anti-slip cover 6, the small crack is repaired by welding.
[0037] The implementation principle of the maintenance and construction method of a drainage system for a curved roof in an embodiment of the present application is: by performing maintenance and other operations on the curved roof at the bottom of the roof, personnel do not need to go above the roof for maintenance, which is highly safe; during maintenance, it is usually not necessary to dismantle the curved sheet of the roof, and there is no problem of damage to the curved sheet during dismantling; at the same time, it is also not easy to damage the roof, reducing roof damage.
[0038] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.
Claims
1. Drainage system for curved roof, characterized by: The invention comprises a drainage main frame (1), a plurality of permeable covers (2) and a plurality of drainage grooves (3); a drainage channel (4) is provided on the drainage main frame (1); the plurality of permeable covers (2) are arranged in a row and cover the top of the drainage channel (4); the drainage main frame (1) comprises two main support bones (11) and a connecting bone (12) connecting the two main support bones (11); the drainage channel (4) is located between the two main support bones (11); The mutually facing surfaces of the main support bones (11) are penetrated with connection grooves (5), and a connection block (51) is inserted into the connection groove (5), and the end of the connection block (51) protrudes from the inner wall of the two main support bones (11) close to each other; a plurality of the drainage grooves (3) are arranged in a row in the drainage channel (4), and the ends of adjacent drainage grooves are sealed and fixed by heat welding; the drainage grooves (3) include a main groove (31) and supporting protrusions (32) arranged on both sides of the top of the main groove (31), and the two supporting protrusions (32) are mounted above the connection block (51).
2. The drainage system for a curved roof according to claim 1, characterized in that: The bottom of the permeable cover (2) is provided with a guide plate (22), the top ends of the guide plates (22) are integrally formed on both sides of the bottom of the permeable cover (2), the bottom ends of the guide plates (22) extend in a direction of approaching each other close to the center of the bottom of the main groove (31), and a plurality of permeable grooves (23) are provided in the middle of the permeable cover (2), and the projections of the plurality of permeable grooves (23) toward the bottom of the permeable cover (2) are located between the connection points of the two guide plates (22) and the permeable cover (2).
3. The drainage system for a curved roof according to claim 1, characterized in that: The ends of the top surfaces of the main support bones (11) that are close to each other are provided with steps (14) for placing the water-permeable cover (2), the steps (14) are provided with water-blocking convex strips (15), and the water-permeable cover (2) is provided with water-blocking grooves (21) for accommodating the water-blocking convex strips (15), and the inner wall of the water-blocking grooves (21) is in contact with the outer wall of the water-blocking convex strips (15).
4. The drainage system for a curved roof according to claim 1, wherein: The connecting bone (12) is located below the water-permeable cover (2), and the connecting bone (12) is located above the supporting convex plate (32), and the top surface of the supporting convex plate (32) is pressed against the bottom of the connecting bone (12).
5. The drainage system for a curved roof according to claim 1, wherein: The ends of the connecting blocks (51) on the different main supporting bones (11) protrude from the side walls of the two main supporting bones (11) that are away from each other.
6. The drainage system for a curved roof according to claim 5, characterized in that: It also includes a plurality of anti-slip covers (6), which are spliced in a row and arranged below the main support bone (11), and the ends of adjacent anti-slip covers (6) are connected by heat welding and sealing; the end surfaces of the connecting blocks (51) on different main support bones (11) that are away from each other are provided with guiding inclined surfaces (511), and the guiding inclined surfaces (511) on the connecting blocks (51) on different main support bones (11) are inclined downward and close to each other; The anti-slip cover (6) comprises a connecting plate (61) and anti-slip splints (62) arranged at both ends of the width of the top surface of the connecting plate (61), and an anti-slip strip (63) is fixed on the side close to each other at the top end of the anti-slip splint (62); when the anti-slip cover (6) moves upward to cover the drainage channel (4), the anti-slip splints (62) are located on both sides of the two main support bones (11), and the two anti-slip strips (63) slide upward by abutting against the two guide inclined surfaces (511) to separate the side walls from each other; after the anti-slip strips (63) move to the top of the connecting block (51), the anti-slip strips (63) are close to each other and clamped above the connecting block (51), and the ends of the connecting blocks (51) on different main support bones (11) that are far away from each other abut against the side walls of the connecting plate (61) that are close to each other.
7. A maintenance and construction method for a drainage system for a curved roof according to any one of claims 1 to 5, characterized in that: The steps include: S1, find the water leakage problem: observe the situation at the leaking section and determine the location and cause of the leak; S2, construction according to the cause of the leakage: S21, if the water leakage problem is a large-scale cracking of the drainage ditch (3), the drainage ditch (3) needs to be replaced, first remove the connecting blocks (51) on both sides of the cracked drainage ditch (3), remove the connecting blocks (51) from the connecting groove (5), cut the leaking section of the drainage ditch (3) and remove it, then cut a section of the same length from the intact drainage ditch (3) in the repair building material according to the length of the cut drainage ditch (3), then put the repaired section of the drainage ditch (3) into the vacant space, then install the connecting blocks (51) back into the connecting groove (5) to support the repaired section of the drainage ditch (3), and then heat weld the two ends of the repaired section of the drainage ditch (3) from the bottom of the drainage ditch (3) to make the two ends sealed and connected; S22, if the water leakage problem is caused by incomplete welding at the welds between adjacent drainage grooves (3) or small cracks in the drainage grooves (3), the welds or small cracks in the adjacent drainage grooves (3) are cleaned and repaired by welding.
Citation Information
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