Waterproof node structure of metal roof skylight
By setting up a waterproof structure on the inside and outside of the skylight base, the problem of rainwater leakage in metal roof skylights under heavy rain conditions is solved, achieving a more stable connection and waterproof effect.
Patent Information
- Application Number
- CN202420828834.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-19
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-04-19
AI Technical Summary
The overlapping parts between the metal roof skylights and roofs are prone to rainwater accumulation and leakage under heavy rain conditions.
The first waterproof structure and the second waterproof structure are respectively arranged on the inner and outer sides of the sunroof base, including components such as edge parts, special-shaped waterproof plates, connecting plates and support members. Through sealed connection and diverting design, the connection fixing effect is enhanced and rainwater leakage is prevented.
Effectively prevent rainwater from accumulating and leaking at the joints between the skylight and the roof, enhancing the connection stability and wind resistance between the skylight base and the roof.
Smart Images
Figure CN223088776U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of waterproofing for metal roof skylights, and particularly to a waterproof joint structure for metal roof skylights. Background Art
[0002] Metal roof panels have the advantages of being lightweight, high-strength, corrosion-resistant, and beautiful, and have been widely used in large building fields such as high-speed railway platforms, convention centers, and stadiums in recent years. To meet the requirements of fire protection design, almost all public buildings are equipped with opening skylights. As a key part of the metal roof, its waterproof function has become the top priority in the entire building waterproofing system. However, under heavy rain conditions, rainwater is extremely likely to accumulate at the overlapping part of the roof skylight and the metal roof, causing the rainwater to seep in through the gaps at the overlapping part and flow into the room along the bottom of the skylight. Summary of the Utility Model
[0003] In view of this, the utility model provides a waterproof joint structure for a metal roof skylight to solve the problem that under heavy rain conditions, rainwater is extremely likely to accumulate at the overlapping part of the roof skylight and the metal roof, causing the rainwater to seep in through the gaps at the overlapping part and flow into the room along the bottom of the skylight.
[0004] The utility model provides a waterproof joint structure for a metal roof skylight, which includes a skylight base, a first waterproof structure, and a second waterproof structure; the skylight base is used to protrude and be arranged at the position of the skylight on the roof; the first waterproof structure is located inside the skylight base, arranged around the perimeter of the skylight base, with one end fixedly connected to the skylight base and the other end fixedly connected to the bottom of the roof; the second waterproof structure is located outside the skylight base, arranged around the perimeter of the skylight base, with one end fixedly connected to the top of the skylight base and the other end fixedly connected to the top of the roof.
[0005] Beneficial Effects: By arranging the first waterproof structure inside the skylight base and the second waterproof structure outside the skylight base, the connection and fixation effect between the skylight base and the roof can be further enhanced, the wind resistance performance at the connection between the skylight base and the roof can be enhanced, and the leakage phenomenon caused by rainwater accumulation at the joint between the skylight base and the roof under heavy rain and snow weather conditions can be effectively solved through the two waterproof structures.
[0006] In an optional embodiment, the second waterproof structure includes a edging member and a special-shaped waterproof board; the edging member is located on the side where the skylight's windward slope is located, with one end fixedly connected to the top of the skylight base and the other end fixedly connected to the top of the roof; the special-shaped waterproof board is located on the side of the edging member away from the skylight base, with its left and right ends respectively fixedly connected to the two ends of the edging member, its top fixedly connected to the skylight base, its bottom spaced from the skylight base, and fixedly connected to the roof.
[0007] Beneficial effects: By providing a edging member on one side where the windward slope of the skylight is located, rainwater leakage from the joint between the skylight base and the upper slope of the roof can be effectively prevented; by providing a special-shaped waterproof plate, rainwater can be diverted from the joint between the skylight base and the upper slope of the roof, preventing rainwater from accumulating at the joint between the skylight base and the upper slope of the roof, and enhancing the waterproof effect at the joint between the skylight base and the upper slope of the roof.
[0008] In an alternative embodiment, the special-shaped waterproof plate includes a first connecting plate and a second connecting plate connected to each other. The connection between the first connecting plate and the second connecting plate is provided at an angle, and the angle protrudes away from the skylight base; the top edge of the first connecting plate is hermetically connected to the edging member, and the bottom edge of the first connecting plate is hermetically connected to the roof; the top edge of the second connecting plate is hermetically connected to the edging member, and the bottom edge of the second connecting plate is hermetically connected to the roof.
[0009] Beneficial effects: Since the connection between the first connecting plate and the second connecting plate is provided at an angle and the angle protrudes away from the skylight base, rainwater at the joint between the skylight base and the upper slope of the roof can be diverted, enabling the rainwater to flow out from both sides of the skylight base, effectively preventing rainwater accumulation; and the top edge of the first connecting plate is hermetically connected to the edging member, the bottom edge of the first connecting plate is hermetically connected to the roof, the top edge of the second connecting plate is hermetically connected to the edging member, and the bottom edge of the second connecting plate is hermetically connected to the roof, preventing rainwater from flowing into the gap between the special-shaped waterproof plate and the edging member, ensuring the sealing effect between the special-shaped waterproof plate and the edging member and the roof.
[0010] In an alternative embodiment, both the first connecting plate and the second connecting plate are triangular structures.
[0011] Beneficial effects: By setting both the first connecting plate and the second connecting plate as triangular structures, the connection between the first connecting plate and the first connecting plate is ensured, as well as the top edge of the first connecting plate being hermetically connected to the edging member, the bottom edge of the first connecting plate being hermetically connected to the roof, the top edge of the second connecting plate being hermetically connected to the edging member, and the bottom edge of the second connecting plate being hermetically connected to the roof. Its structure is simple, easy to manufacture, and reasonably designed.
[0012] In an alternative embodiment, a first diversion groove is provided on the top edge of the first connecting plate, and the first diversion groove is parallel to the top edge of the first connecting plate; a second diversion groove is provided on the top edge of the second connecting plate, and the second diversion groove is parallel to the top edge of the second connecting plate; the first diversion groove and the second diversion groove are connected in communication.
[0013] Beneficial effects: By providing the first diversion groove and the second diversion groove, excessive rainwater can be prevented from flowing to the bottom edges of the first connecting plate and the second connecting plate, and the diversion effect of rainwater can be further accelerated to prevent the accumulation of rainwater.
[0014] In an alternative embodiment, it further includes a first support member. The first support member is located on the side where the windward slope of the skylight is located, adjacent to and parallel to the joint between the skylight base and the roof, and is used for fixedly connecting with the roof purlin; the other end of the edging member is located above the first support member and is connected to the first support member.
[0015] Beneficial effects: By providing the first support member, the edging member can be effectively supported, enhancing the connection stability of the edging member.
[0016] In an alternative embodiment, the second waterproof structure further includes two groups of first edging flashing plates. The two groups of first edging flashing plates are arranged oppositely and are respectively located on both sides of the special-shaped waterproof plate. One end of the first edging flashing plate is fixedly connected to the top of the skylight base, and the other end is used for fixedly connecting with the roof profiled sheet.
[0017] Beneficial effects: By respectively arranging the two groups of first edging flashing plates on both sides of the special-shaped waterproof plate, the rainwater diverted by the special-shaped waterproof plate can be prevented from leaking from the joints on both sides of the skylight base and the roof in the direction perpendicular to the slope, enhancing the waterproof effect of the joints on both sides of the skylight base and the roof in the direction perpendicular to the slope.
[0018] In an alternative embodiment, the second waterproof structure further includes a second edging flashing plate. The second edging flashing plate is located on the side where the leeward slope of the skylight is located. One end of the second edging flashing plate is fixedly connected to the top of the skylight base, and the other end is connected to the roof.
[0019] Beneficial effects: By providing the second edging flashing plate on the side where the leeward slope of the skylight is located, the rainwater flowing down from the upper slope of the skylight can be prevented from leaking from the joint between the skylight base and the roof on the leeward slope of the skylight, enhancing the waterproof effect of the joint between the skylight base and the roof on the leeward slope of the skylight.
[0020] In an alternative embodiment, it further includes a second support member and a sealing member; the second support member is located on the side where the leeward slope of the skylight is located, adjacent to and parallel to the joint between the skylight base and the roof, and is used for fixedly connecting with the roof purlin; the sealing member is adjacent to and parallel to the joint between the skylight base and the roof. One end of the sealing member is fixedly connected to the second support member, and the other end is used for fixedly connecting with the roof profiled sheet. The other end of the second edging flashing plate is located above the sealing member and is hermetically connected to the sealing member.
[0021] Beneficial effects: By providing the second support member, the plugging member can be effectively supported, enhancing the stability of the connection of the plugging member; by providing the plugging member, the heat insulation layer of the roof can be sealed and isolated to prevent rainwater leakage, and the provision of the second support member and the plugging member plays a connecting role between the roof profiled sheet, the roof purlin and the second edge flashing, ensuring the connection and fixing effect of the second edge flashing and enhancing the connection stability of the second edge flashing.
[0022] In an alternative embodiment, the first waterproof structure includes four sets of third edge flashings, and the four sets of third edge flashings are respectively located around the skylight. One end of the third edge flashing is fixedly connected to the inner side of the skylight base, and the other end is fixedly connected to the bottom of the roof.
[0023] Beneficial effects: By respectively arranging the four sets of third edge flashings around the inner side of the skylight base, rainwater can be prevented from leaking from the inner joint between the skylight base and the roof, further enhancing the waterproof effect of the joint between the skylight base and the roof. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the related art, the following will briefly introduce the drawings required to be used in the description of the specific embodiments or the related art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
[0025] Figure 1 Structural schematic diagram of the joint between the skylight base and the roof on the windward slope of the skylight in the embodiment of the present invention;
[0026] Figure 2 Structural schematic diagram of the special-shaped waterproof plate in the embodiment of the present invention;
[0027] Figure 3 Structural schematic diagram of the edge member in the embodiment of the present invention;
[0028] Figure 4 Structural schematic diagram of the third edge flashing in the embodiment of the present invention;
[0029] Figure 5 Structural schematic diagram of the joint between the skylight base and the roof on both sides perpendicular to the roof slope direction in the embodiment of the present invention;
[0030] Figure 6 Structural schematic diagram of the first edge flashing in the embodiment of the present invention;
[0031] Figure 7Schematic diagram of the structure at the joint between the skylight base on the back slope of the skylight and the roof in the embodiment of the present utility model;
[0032] Figure 8 Schematic diagram of the structure of the second edge - wrapping flashing in the embodiment of the present utility model;
[0033] Figure 9 Schematic diagram of the structure of the connection between the first support member and the roof in the embodiment of the present utility model.
[0034] Explanation of reference numerals:
[0035] 1. Skylight base; 2. Roof; 21. Roof purlin; 22. Profiled roof sheet; 31. Third edge - wrapping flashing; 41. Edge - wrapping member; 42. Special - shaped waterproof sheet; 421. First connecting plate; 4211. First diversion groove; 422. Second connecting plate; 4221. Second diversion groove; 45. First edge - wrapping flashing; 46. Second edge - wrapping flashing; 5. Fastener; 6. Weather - resistant sealant; 7. First support member; 8. Second support member; 9. Plugging member. Detailed implementation manners
[0036] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present utility model.
[0037] The following combines Figures 1 to 9 , to describe the embodiments of the present utility model.
[0038] According to an embodiment of the present utility model, there is provided a waterproof joint structure for a skylight of a metal roof 2, which is characterized in that it includes a skylight base 1, a first waterproof structure and a second waterproof structure; the skylight base 1 is used to protrude at the position of the skylight on the roof 2; the first waterproof structure is located inside the skylight base 1, is arranged around the periphery of the skylight base 1, one end is fixedly connected to the skylight base 1, and the other end is fixedly connected to the bottom of the roof 2; the second waterproof structure is located outside the skylight base 1, is arranged around the periphery of the skylight base 1, one end is fixedly connected to the top of the skylight base 1, and the other end is fixedly connected to the top of the roof 2.
[0039] By providing a first waterproof structure inside the skylight base 1 and a second waterproof structure outside the skylight base 1, the connection and fixation effect between the skylight base 1 and the roof 2 can be further enhanced, the wind resistance performance at the joint between the skylight base 1 and the roof 2 can be enhanced, and the leakage phenomenon caused by water accumulation at the joint between the skylight base 1 and the roof 2 under heavy rain and snow weather conditions can be effectively solved through the two waterproof structures.
[0040] In one embodiment, the second waterproof structure includes a edge wrapping member 41 and a special-shaped waterproof plate 42; the edge wrapping member 41 is located on the side where the skylight facing slope is located, one end is fixedly connected to the top of the skylight base 1, and the other end is fixedly connected to the top of the roof 2; the special-shaped waterproof plate 42 is located on the side of the edge wrapping member 41 away from the skylight base 1, and the left and right ends are respectively fixedly connected to the two ends of the edge wrapping member 41, the top end is fixedly connected to the skylight base 1, the bottom end is spaced from the skylight base 1, and is fixedly connected to the roof 2.
[0041] By providing the edge wrapping member 41 on the side where the skylight facing slope is located, rainwater leakage from the uphill joint between the skylight base 1 and the roof 2 can be effectively prevented; by providing the special-shaped waterproof plate 42, the rainwater can be diverted from the uphill joint between the skylight base 1 and the roof 2, preventing rainwater from accumulating at the uphill joint between the skylight base 1 and the roof 2, and enhancing the waterproof effect at the uphill joint between the skylight base 1 and the roof 2.
[0042] In a specific implementation manner, one end of the edge wrapping member 41 is located inside the skylight base 1 and fixedly connected to the skylight base 1, and the other end sequentially passes through the top of the skylight base 1 and the outside of the skylight base 1, is tightly connected to the top of the skylight base 1 and the outside of the skylight base 1, and extends to the top of the roof 2 and is fixedly connected to the roof 2.
[0043] Specifically, the edge wrapping member 41 is connected to the skylight base 1 and the roof 2 through fasteners 5 such as rivets or hexagon self-tapping screws, and the joints of the fasteners 5 such as rivets or hexagon self-tapping screws are sealed with weather-resistant sealant 6 to prevent rainwater leakage.
[0044] Specifically, the specification of the rivet is Φ5.0×13, and the spacing between two adjacent rivets is 300mm. The specification of the hexagon self-tapping screw is 14×25.
[0045] In a specific implementation manner, the special-shaped waterproof plate 42 is connected to the skylight base 1 or the roof 2 through fasteners 5 such as rivets or hexagon self-tapping screws. Specifically, the specification of the rivet is Φ5.0×13, and the spacing between two adjacent rivets is 300mm. The specification of the hexagon self-tapping screw is 14×25.
[0046] Specifically, the joints between the edge wrapping member 41 and the skylight base 1 and the roof surface 2, as well as the joints between the special-shaped waterproof plate 42 and the edge wrapping member 41 and the roof surface 2, are sequentially filled and sealed with weather-resistant sealant 6, which can effectively prevent rainwater leakage.
[0047] In one embodiment, the special-shaped waterproof plate 42 includes a first connecting plate 421 and a second connecting plate 422 connected to each other. The connection between the first connecting plate 421 and the second connecting plate 422 is arranged at an angle, and the angle protrudes toward the side away from the skylight base 1; the top edge of the first connecting plate 421 is hermetically connected to the edge wrapping member 41, and the bottom edge of the first connecting plate 421 is hermetically connected to the roof surface 2; the top edge of the second connecting plate 422 is hermetically connected to the edge wrapping member 41, and the bottom edge of the second connecting plate 422 is hermetically connected to the roof surface 2.
[0048] Since the connection between the first connecting plate 421 and the second connecting plate 422 is arranged at an angle and the angle protrudes toward the side away from the skylight base 1, the rainwater at the uphill joint between the skylight base 1 and the roof surface 2 can be diverted, so that the rainwater can flow out from both sides of the skylight base 1, effectively preventing the accumulation of rainwater; and the top edge of the first connecting plate 421 is hermetically connected to the edge wrapping member 41, the bottom edge of the first connecting plate 421 is hermetically connected to the roof surface 2, the top edge of the second connecting plate 422 is hermetically connected to the edge wrapping member 41, and the bottom edge of the second connecting plate 422 is hermetically connected to the roof surface 2, preventing rainwater from flowing into the gap between the special-shaped waterproof plate 42 and the edge wrapping member 41, ensuring the sealing effect between the special-shaped waterproof plate 42, the edge wrapping member 41 and the roof surface 2.
[0049] In one embodiment, both the first connecting plate 421 and the second connecting plate 422 are triangular structures.
[0050] By setting both the first connecting plate 421 and the second connecting plate 422 as triangular structures, the connection between the first connecting plate 421 and the first connecting plate 421 is ensured, as well as the top edge of the first connecting plate 421 is hermetically connected to the edge wrapping member 41, the bottom edge of the first connecting plate 421 is hermetically connected to the roof surface 2, the top edge of the second connecting plate 422 is hermetically connected to the edge wrapping member 41, and the bottom edge of the second connecting plate 422 is hermetically connected to the roof surface 2. Its structure is simple, easy to manufacture, and reasonably designed.
[0051] In one embodiment, the top edge of the first connecting plate 421 is provided with a first diversion groove 4211, and the first diversion groove 4211 is parallel to the top edge of the first connecting plate 421; the top edge of the second connecting plate 422 is provided with a second diversion groove 4221, and the second diversion groove 4221 is parallel to the top edge of the second connecting plate 422; the first diversion groove 4211 and the second diversion groove 4221 are connected in communication.
[0052] By providing the first diversion groove 4211 and the second diversion groove 4221, excessive rainwater can be prevented from flowing to the bottom edges of the first connecting plate 421 and the second connecting plate 422, and the diversion effect of rainwater can be further accelerated to prevent the accumulation of rainwater.
[0053] Preferably, a third diversion groove is provided at the bottom edge of the first connecting plate 421, and the third diversion groove is parallel to the bottom edge of the first connecting plate 421; a fourth diversion groove is provided at the bottom edge of the second connecting plate 422, and the fourth diversion groove is parallel to the bottom edge of the second connecting plate 422; the third diversion groove and the fourth diversion groove are communicated.
[0054] In one embodiment, it further includes a first support member 7. The first support member 7 is located on the side where the windward slope of the skylight is located, adjacent to and parallel to the joint between the skylight base 1 and the roof 2, and is used for fixedly connecting with the roof purlin 21; the other end of the edge member 41 is located above the first support member 7 and is connected to the first support member 7.
[0055] By providing the first support member 7, the edge member 41 can be effectively supported, enhancing the connection stability of the edge member 41.
[0056] In a specific embodiment, the first support member 7 is an angle steel. The angle steel is connected to the roof purlin 21 by welding, and the specification of the angle steel is L50×5. Specifically, multiple first support members 7 can be provided at intervals along the slope direction of the roof 2; the distance between two adjacent angle steels is less than or equal to 500 mm.
[0057] In one embodiment, the second waterproof structure further includes two groups of first edge flashing plates 45. The two groups of first edge flashing plates 45 are arranged oppositely and are respectively located on both sides of the special-shaped waterproof plate 42. One end of the first edge flashing plate 45 is fixedly connected to the top of the skylight base 1, and the other end is used for fixedly connecting with the roof corrugated sheet 22.
[0058] By respectively arranging the two groups of first edge flashing plates 45 on both sides of the special-shaped waterproof plate 42, rainwater diverted by the special-shaped waterproof plate 42 can be prevented from leaking from the joints on both sides of the skylight base 1 and the roof 2 in the direction perpendicular to the slope, enhancing the waterproof effect of the joints on both sides of the skylight base 1 and the roof 2 in the direction perpendicular to the slope.
[0059] In a specific embodiment, one end of the first edge flashing plate 45 is located inside the skylight base 1 and is fixedly connected to the skylight base 1. The other end sequentially passes through the top of the skylight base 1 and the outside of the skylight base 1, is tightly connected to the top of the skylight base 1 and the outside of the skylight base 1, and extends to the top of the roof corrugated sheet 22 and is fixedly connected to the roof corrugated sheet 22.
[0060] Specifically, the first edging flashing 45 is connected to the skylight base 1 and the roofing corrugated sheet 22 by fasteners 5 such as rivets or hexagon self-tapping screws, and the joints of the fasteners 5 such as rivets or hexagon self-tapping screws are sealed by weather-resistant sealant 6 to prevent rainwater leakage. Specifically, the specification of the rivet is Φ5.0×13, and the spacing between two adjacent rivets is 300 mm. The specification of the hexagon self-tapping screw is 14×25.
[0061] Specifically, the joints between the first edging flashing 45, the skylight base 1 and the roofing corrugated sheet 22 are sequentially filled and sealed with weather-resistant sealant 6, which can effectively prevent rainwater leakage.
[0062] Specifically, the roofing corrugated sheet 22 is made of steel plate.
[0063] In one embodiment, the second waterproof structure further includes a second edging flashing 46. The second edging flashing 46 is located on the side where the back slope of the skylight is located, with one end fixedly connected to the top of the skylight base 1 and the other end fixedly connected to the roof 2.
[0064] By providing the second edging flashing 46 on the side where the back slope of the skylight is located, it is possible to prevent rainwater flowing down from the upper slope of the skylight from leaking at the joint between the skylight base 1 and the roof 2 on the back slope of the skylight, enhancing the waterproof effect at the joint between the skylight base 1 and the roof 2 on the back slope of the skylight.
[0065] In one embodiment, it further includes a second support member 8 and a plugging member 9. The second support member 8 is located on the side where the back slope of the skylight is located, adjacent to and parallel to the joint between the skylight base 1 and the roof 2, and is used for fixedly connecting to the roof purlin 21. The plugging member 9 is adjacent to and parallel to the joint between the skylight base 1 and the roof 2, with one end fixedly connected to the second support member 8 and the other end used for fixedly connecting to the roofing corrugated sheet 22. The other end of the second edging flashing 46 is located above the plugging member 9 and is sealingly connected to the plugging member 9.
[0066] By providing the second support member 8, the plugging member 9 can be effectively supported, enhancing the connection stability of the plugging member 9. By providing the plugging member 9, it can achieve a closed isolation effect on the insulation layer of the roof 2 to prevent rainwater leakage. Moreover, the provision of the second support member 8 and the plugging member 9 plays a connecting role among the roofing corrugated sheet 22, the roof purlin 21 and the second edging flashing 46, ensuring the connection and fixing effect of the second edging flashing 46 and enhancing the connection stability of the second edging flashing 46.
[0067] In a specific embodiment, one end of the second edge - wrapping flashing plate 46 is located inside the skylight base 1 and fixedly connected to the skylight base 1, and the other end sequentially passes over the top of the skylight base 1 and the outside of the skylight base 1, is tightly connected to the top of the skylight base 1 and the outside of the skylight base 1, and extends to the top of the sealing member 9 and is fixedly connected to the sealing member 9.
[0068] Specifically, the second edge - wrapping flashing plate 46 and the skylight base 1 and the sealing member 9 are connected by fasteners 5 such as rivets or hexagon self - tapping screws. The second support member 8 and the sealing member 9 are connected by fasteners 5 such as rivets or hexagon self - tapping screws, and the joints of the fasteners 5 such as rivets or hexagon self - tapping screws are sealed by weather - resistant sealant 6 to prevent rainwater leakage. Specifically, the specification of the rivet is Φ5.0×13, and the distance between two adjacent rivets is 300 mm. The specification of the hexagon self - tapping screw is 14×25.
[0069] In a specific embodiment, the second support member 8 is an angle steel, and the angle steel is connected to the roof purlin 21 by welding. The specification of the angle steel is L50×5. Specifically, multiple first support members 7 can be arranged at intervals along the slope direction of the roof 2; the distance between two adjacent angle steels is less than or equal to 500 mm.
[0070] Specifically, the joints between the second edge - wrapping flashing plate 46 and the skylight base 1 and the sealing member 9 are all filled and sealed by the weather - resistant sealant 6 in sequence, which can effectively prevent rainwater leakage.
[0071] In one embodiment, the first waterproof structure includes four groups of third edge - wrapping flashing plates 31. The four groups of third edge - wrapping flashing plates 31 are respectively located around the skylight. One end of the third edge - wrapping flashing plate 31 is fixedly connected to the inside of the skylight base 1, and the other end is fixedly connected to the bottom of the roof 2.
[0072] By respectively arranging the four groups of third edge - wrapping flashing plates 31 around the inside of the skylight base 1, rainwater can be prevented from leaking from the inner joint between the skylight base 1 and the roof 2, further enhancing the waterproof effect of the joint between the skylight base 1 and the roof 2.
[0073] In a specific embodiment, one end of the third edge - wrapping flashing plate 31 is located inside the skylight base 1 and fixedly connected to the skylight base 1, and the other end extends to the bottom of the roof 2 and is fixedly connected to the bottom of the roof 2.
[0074] Specifically, the third edging flashing 31 is connected to the bottom of the skylight base 1 and the roof 2 by fasteners 5 such as rivets or hexagon self-tapping screws, and the joints of the fasteners 5 such as rivets or hexagon self-tapping screws are sealed with weather-resistant sealant 6 to prevent rainwater leakage. Specifically, the specification of the rivet is Φ5.0×13, and the spacing between two adjacent rivets is 300 mm. The specification of the hexagon self-tapping screw is 14×25.
[0075] Specifically, the joints between the third edging flashing 31 and the bottom of the skylight base 1 and the roof 2 are all plugged and sealed with weather-resistant sealant 6 in sequence, which can effectively prevent rainwater leakage.
[0076] Specifically, the third edging flashing 31 is provided with a relief groove, the roof purlin is located in the relief groove, and the joint between the roof purlin 21 and the relief groove is sealed with weather-resistant sealant 6.
[0077] Specifically, the edging member 41, the special-shaped waterproof plate 42, the first edging flashing 45, the second edging flashing 46 and the third edging flashing 31 can be prefabricated in a processing factory or fabricated on the construction site.
[0078] In a specific embodiment, the first support member 7 and the second support member 8 at the skylight drainage plate are installed first. The first support member 7 is located on the side where the skylight windward slope is located, adjacent and parallel to the joint between the skylight base 1 and the roof 2, and fixedly connected to the roof purlin 21. The second support member 8 is located on the side where the skylight leeward slope is located, adjacent and parallel to the joint between the skylight base 1 and the roof 2, and fixedly connected to the roof purlin 21. Then, according to the construction process requirements of the metal roof 2, the profiled metal roof sheet 22 is installed on the roof 2. Then, the third edging flashing 31 and two groups of first edging flashings 45 are installed through the fasteners 5. Then, the plugging member 9 is installed on the second support member 8 through the fasteners 5, and then the second edging flashing 46 is installed. Finally, the edging member 41 is installed on the skylight base 1 and the first support member 7 through the fasteners 5, and then the special-shaped waterproof plate 42 is installed on the edging member 41 and the roof 2 through the fasteners 5 to cover the joint between the edging member 41 and the first support member 7 and prevent rainwater leakage. At the same time, due to the special-shaped profile of the special-shaped waterproof plate 42, the accumulated water can be diverted to both sides of the skylight.
[0079] Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations all fall within the scope defined by the appended claims.
Claims
1. A waterproof joint structure for a skylight of a metal roof, characterized in that, Comprising: A skylight base (1) for protruding and arranging at the position of the skylight on the roof surface (2); A first waterproof structure, located inside the skylight base (1), arranged around the periphery of the skylight base (1), with one end fixedly connected to the skylight base (1) and the other end fixedly connected to the bottom of the roof surface (2); A second waterproof structure, located outside the skylight base (1), arranged around the periphery of the skylight base (1), with one end fixedly connected to the top of the skylight base (1) and the other end fixedly connected to the top of the roof surface (2).
2. The waterproof joint structure of the metal roof skylight according to claim 1, characterized in that, The second waterproof structure includes: A edging member (41), located on the side where the skylight windward slope is located, with one end fixedly connected to the top of the skylight base (1) and the other end fixedly connected to the top of the roof surface (2); A special-shaped waterproof board (42), located on the side of the edging member (41) away from the skylight base (1), with the left and right ends respectively fixedly connected to the two ends of the edging member (41), the top end fixedly connected to the skylight base (1), the bottom end spaced from the skylight base (1), and fixedly connected to the roof surface (2).
3. The waterproof joint structure of the metal roof skylight according to claim 2, wherein, The special-shaped waterproof board (42) includes a first connecting plate (421) and a second connecting plate (422) connected to each other, and the connection part of the first connecting plate (421) and the second connecting plate (422) is arranged at an angle, and the angle protrudes towards the side away from the skylight base (1); the top edge of the first connecting plate (421) is hermetically connected to the edging member (41), and the bottom edge of the first connecting plate (421) is hermetically connected to the roof surface (2); the top edge of the second connecting plate (422) is hermetically connected to the edging member (41), and the bottom edge of the second connecting plate (422) is hermetically connected to the roof surface (2).
4. The waterproof joint structure of the metal roof skylight according to claim 3, characterized in that, Both the first connecting plate (421) and the second connecting plate (422) are triangular structures.
5. The waterproof joint structure of the metal roof skylight according to claim 3, characterized in that, The top edge of the first connecting plate (421) is provided with a first diversion groove (4211), and the first diversion groove (4211) is parallel to the top edge of the first connecting plate (421); the top edge of the second connecting plate (422) is provided with a second diversion groove (4221), and the second diversion groove (4221) is parallel to the top edge of the second connecting plate (422); the first diversion groove (4211) and the second diversion groove (4221) are communicated.
6. The waterproof joint structure of the metal roof skylight according to any one of claims 2 to 5, characterized in that, It further includes a first support member (7), the first support member (7) is located on the side where the skylight windward slope is located, adjacent to and parallel to the joint of the skylight base (1) and the roof surface (2), and is used for fixedly connecting with the roof purlin (21); the other end of the edging member (41) is located above the first support member (7) and is connected to the first support member (7).
7. The waterproof joint structure of the metal roof skylight according to any one of claims 2 to 5, characterized in that, The second waterproof structure further includes two sets of first edging flashing plates (45). The two sets of first edging flashing plates (45) are arranged oppositely and are respectively located on both sides of the special-shaped waterproof plate (42). One end of the first edging flashing plate (45) is fixedly connected to the top of the skylight base (1), and the other end is used for fixedly connecting to the roofing corrugated sheet (22).
8. The waterproof joint structure of the metal roof skylight according to any one of claims 1 to 5, characterized in that, The second waterproof structure further includes a second edging flashing plate (46). The second edging flashing plate (46) is located on the side where the back slope of the skylight is located. One end is fixedly connected to the top of the skylight base (1), and the other end is fixedly connected to the roof (2).
9. The waterproof joint structure of the metal roof skylight according to claim 8, characterized in that, It further includes: A second support member (8), which is located on the side where the back slope of the skylight is located, is adjacent to and arranged parallel to the joint between the skylight base (1) and the roof (2), and is used for fixedly connecting to the roof purlin (21); A sealing member (9), which is adjacent to and arranged parallel to the joint between the skylight base (1) and the roof (2). One end is fixedly connected to the second support member (8), and the other end is used for fixedly connecting to the roofing corrugated sheet (22). The other end of the second edging flashing plate (46) is located above the sealing member (9) and is hermetically connected to the sealing member (9).
10. The waterproof joint structure of the metal roof skylight according to any one of claims 1 to 5 or 9, characterized in that, The first waterproof structure includes four sets of third edging flashing plates (31). The four sets of third edging flashing plates (31) are respectively located around the skylight. One end of the third edging flashing plate (31) is fixedly connected to the inner side of the skylight base (1), and the other end is fixedly connected to the bottom of the roof (2).