CN215594660U - Waterproof cornice structure of building flat roof - Google Patents
Waterproof cornice structure of building flat roof Download PDFInfo
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- CN215594660U CN215594660U CN202121375274.0U CN202121375274U CN215594660U CN 215594660 U CN215594660 U CN 215594660U CN 202121375274 U CN202121375274 U CN 202121375274U CN 215594660 U CN215594660 U CN 215594660U
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Abstract
The utility model discloses a waterproof cornice structure of a building flat roof, which comprises a wall body and a flat roof, wherein the cornice structure is arranged between the wall body and the flat roof and is divided into a water collecting part and a connecting part, the water collecting part and the connecting part are integrally formed, the water collecting part and the connecting part are arranged at the top of the wall body through a space between concrete, a groove is formed in the connecting part, the flat roof is clamped in the groove, and waterproof sealant is filled between the flat roof and the groove. The rainwater is concentrated in the depressed part through the water collection portion of cornice structure, and the rainwater of depressed part lateral wall can be along inclined plane landing to the depressed part in simultaneously, then discharges through the outlet, has improved water-proof effects, and the junction of connecting portion and flat roofing is the one end block with flat roofing in the inside of recess in addition, and the cooperation is simultaneously filled waterproof sealed glue between recess and flat roofing, has improved the leakproofness of connecting portion and flat roofing junction greatly.
Description
Technical Field
The utility model relates to the technical field of roof waterproofing, in particular to a waterproof cornice structure of a building flat roof.
Background
The roof waterproof engineering generally comprises roof coiled material waterproofing, roof film waterproofing, roof rigid waterproofing, tile roof waterproofing and roof seam sealing waterproofing, and the problems of roof leakage of the built house are fundamentally solved, and the aspects of design, construction, materials, management and maintenance and the like of the waterproof engineering are started to perform system management and comprehensive prevention and treatment;
in order to facilitate roof drainage and protect an outer wall, a building can be provided with cornices on a floor, the existing cornice structure is poor in waterproof performance, and water leakage and water seepage are easy to occur at joints, so that the safety of the building is affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a waterproof cornice structure of a building flat roof, which improves the rainwater gathering effect on one hand through the arrangement of a water collecting part and a connecting part, and improves the sealing property between the building flat roof and the building flat roof through the arrangement of a groove in the connecting part, so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a waterproof cornice structure of a building flat roof comprises a wall body and a flat roof, wherein the cornice structure is arranged between the wall body and the flat roof and is divided into a water collecting part and a connecting part, the water collecting part and the connecting part are integrally formed, and the water collecting part and the connecting part are arranged at the top of the wall body through a space between concrete;
a groove is formed in the connecting part, the flat roof is clamped in the groove, and waterproof sealant is filled between the flat roof and the groove;
the surface of the water collecting part is provided with a sunken part, the side wall of the sunken part is provided with an inclined plane, and the surfaces of the wall body, the water collecting part and the connecting part are provided with cement mortar layers;
the roof is characterized in that a waterproof layer is arranged on the top of the flat roof, a polyurethane insulation board is arranged on the top of the waterproof layer, and a fine stone concrete layer is filled between the polyurethane insulation board and the waterproof layer as well as between the polyurethane insulation board and the cement mortar layer.
Preferably, a sealing plate is arranged between the wall body, the flat roof and the connecting part, the sealing plate is provided with an L-shaped structure, the side wall of the sealing plate is an inclined plane, and waterproof adhesive layers are filled between the sealing plate and the wall body, between the flat roof and the connecting part.
Preferably, the surface of the concave part is provided with a drain hole, and the inner wall of the top of the drain hole is provided with an arc surface.
Preferably, the thickness of the cement mortar layer is 15 mm-20 mm, and the thickness of the fine stone concrete layer is 20 mm-25 mm.
Preferably, the waterproof layers are ethylene propylene diene monomer waterproof rolls, the waterproof layers are provided with three groups, and joints between the upper waterproof layer and the lower waterproof layer and the middle waterproof layer are arranged in a staggered mode.
Compared with the prior art, the utility model has the beneficial effects that:
1. rainwater is concentrated into the concave part through the water collecting part of the cornice structure, meanwhile, rainwater on the side wall of the concave part can slide into the concave part along the inclined plane and then is discharged through the water discharging port, the waterproof effect is improved, one end of the flat roof is clamped in the groove at the joint of the connecting part and the flat roof, and meanwhile, waterproof sealant is filled between the groove and the flat roof in a matched mode, so that the sealing performance of the joint of the connecting part and the flat roof is greatly improved;
2. the sealing plate of the L-shaped structure is arranged between the wall body, the flat roof and the connecting part through the waterproof adhesive layer, so that the sealing property between the flat roof and the connecting part is further improved, the phenomena of water leakage and water seepage are prevented, and the building is protected.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is an enlarged view of region A of FIG. 1;
FIG. 3 is a schematic view of the main structure of the cornice structure of the present invention;
FIG. 4 is a schematic sectional view of a drainage hole according to the present invention;
fig. 5 is a schematic view of an arrangement structure of the waterproof layer according to the present invention.
In the figure: 1. a wall body; 2. a cement mortar layer; 3. a water collection part; 4. a recessed portion; 5. a connecting portion; 6. a polyurethane insulation board; 7. a fine stone concrete layer; 8. a waterproof layer; 9. a flat roof; 10. a waterproof adhesive layer; 11. waterproof sealant; 12. a sealing plate; 13. a drain hole; 14. and (4) a groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution: a waterproof cornice structure of a building flat roof comprises a wall body 1 and a flat roof 9;
a cornice structure is arranged between the wall body 1 and the flat roof 9, the cornice structure is divided into a water collecting part 3 and a connecting part 5, the water collecting part 3 and the connecting part 5 are integrally formed, and the water collecting part 3 and the connecting part 5 are arranged at the top of the wall body 1 through a space between concrete;
a groove 14 is formed in the connecting part 5, the flat roof 9 is clamped in the groove 14, and waterproof sealant 11 is filled between the flat roof 9 and the groove 14;
the surface of the water collecting part 3 is provided with a sunken part 4, the side wall of the sunken part 4 is an inclined plane, and the surfaces of the wall body 1, the water collecting part 3 and the connecting part 5 are provided with a cement mortar layer 2;
the waterproof layer 8 is arranged on the top of the flat roof 9, the polyurethane insulation board 6 is arranged on the top of the waterproof layer 8, a fine stone concrete layer 7 is filled between the polyurethane insulation board 6 and the waterproof layer 8 as well as between the polyurethane insulation board 6 and the cement mortar layer 2, and the cornice structure is arranged through the water collecting part 3 and the connecting part 5, so that on one hand, rainwater in the water collecting part 3 can be conveniently and quickly collected, on the other hand, the connecting strength and the connecting tightness among the wall body 1, the connecting part 5 and the flat roof 9 are improved, the waterproof effect is improved, and the wall body 1 and the flat roof 9 are protected;
the surface of the concave part 4 is provided with a drain hole 13, the inner wall of the top of the drain hole 13 is provided with a cambered surface, rainwater in the concave part 4 can smoothly slide at the positions of the drain hole 13 and the cambered surface of the concave part 4, and the rainwater cannot gather at the top of the drain hole 13;
the thickness of the cement mortar layer 2 is 15 mm-20 mm, the thickness of the fine stone concrete layer 7 is 20 mm-25 mm, the cement mortar layer 2 can protect the wall body 1, the water collecting part 3 and the connecting part 5, direct sunlight aging or rainwater corrosion can be prevented, and the fine stone concrete layer 7 has good compactness and can further improve the waterproof performance;
the waterproof layer 8 is an ethylene propylene diene monomer waterproof coiled material, the waterproof layer 8 is provided with three groups, seams between the upper waterproof layer 8 and the lower waterproof layer 8 and the middle waterproof layer 8 are arranged in a staggered mode, each layer of the ethylene propylene diene monomer waterproof coiled material is tightly attached, the staggered seams can be matched to prevent rainwater from directly reaching the top of a flat roof through the seams, the waterproof effect of the waterproof layer 8 is improved, the ethylene propylene diene monomer waterproof coiled material takes ethylene propylene diene monomer as a main body, and a high-elasticity rubber waterproof coiled material made of appropriate chemical additives and a certain amount of filling materials is doped.
Slope setting through 4 lateral walls of depressed part can make the rainwater follow 4 surperficial landing of depressed part to 4 bottoms of depressed part fast, the rainwater can be discharged from 4 insides of depressed part through wash port 13 after gathering a certain amount, the waterproof layer 8 that the three-layer set up can improve the water-proof effects of coiled material, and set up staggered arrangement's coiled material seam, the leakproofness of waterproof layer 8 has further been improved, cooperate flat roofing 9 and the connection of 5 inside recesses 14 of connecting portion, and the packing of waterproof sealant 11 between recess 14 and the connecting portion 5, the water-proof effects has been improved once more.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a waterproof structure of cornicing of building flat roof, includes wall body (1), flat roof (9), its characterized in that: a cornice structure is arranged between the wall body (1) and the flat roof (9), the cornice structure is divided into a water collecting part (3) and a connecting part (5), the water collecting part (3) and the connecting part (5) are integrally formed, and the water collecting part (3) and the connecting part (5) are arranged at the top of the wall body (1) through a space between concrete;
a groove (14) is formed in the connecting part (5), the flat roof (9) is clamped in the groove (14), and waterproof sealant (11) is filled between the flat roof (9) and the groove (14);
a concave part (4) is formed in the surface of the water collecting part (3), the side wall of the concave part (4) is an inclined plane, and a cement mortar layer (2) is arranged on the surfaces of the wall body (1), the water collecting part (3) and the connecting part (5);
the roof is characterized in that a waterproof layer (8) is arranged at the top of the flat roof (9), a polyurethane insulation board (6) is arranged at the top of the waterproof layer (8), and a fine stone concrete layer (7) is filled between the polyurethane insulation board (6) and the waterproof layer (8) and between the polyurethane insulation board and the cement mortar layer (2).
2. The waterproof cornice structure of the building flat roof, according to claim 1, is characterized in that: be provided with between wall body (1), flat roofing (9) and connecting portion (5) closing plate (12), closing plate (12) are provided with L shape structure, the lateral wall of closing plate (12) sets up to the inclined plane, it has waterproof adhesive layer (10) to fill between closing plate (12) and wall body (1), flat roofing (9) and connecting portion (5).
3. The waterproof cornice structure of the building flat roof, according to claim 1, is characterized in that: the surface of the sunken part (4) is provided with a drain hole (13), and the inner wall of the top of the drain hole (13) is a cambered surface.
4. The waterproof cornice structure of the building flat roof, according to claim 1, is characterized in that: the thickness of the cement mortar layer (2) is 15 mm-20 mm, and the thickness of the fine stone concrete layer (7) is 20 mm-25 mm.
5. The waterproof cornice structure of the building flat roof, according to claim 1, is characterized in that: the waterproof layers (8) are made of ethylene propylene diene monomer waterproof rolls, three groups of waterproof layers (8) are arranged, and joints between the upper and lower groups of waterproof layers (8) and the middle group of waterproof layers (8) are arranged in a staggered mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121375274.0U CN215594660U (en) | 2021-06-21 | 2021-06-21 | Waterproof cornice structure of building flat roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121375274.0U CN215594660U (en) | 2021-06-21 | 2021-06-21 | Waterproof cornice structure of building flat roof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215594660U true CN215594660U (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121375274.0U Active CN215594660U (en) | 2021-06-21 | 2021-06-21 | Waterproof cornice structure of building flat roof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215594660U (en) |
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2021
- 2021-06-21 CN CN202121375274.0U patent/CN215594660U/en active Active
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