CN212295361U - Roof invisible drainage structure - Google Patents
Roof invisible drainage structure Download PDFInfo
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- CN212295361U CN212295361U CN202020336471.0U CN202020336471U CN212295361U CN 212295361 U CN212295361 U CN 212295361U CN 202020336471 U CN202020336471 U CN 202020336471U CN 212295361 U CN212295361 U CN 212295361U
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Abstract
The utility model discloses a roof invisible drainage structure, which comprises a concrete slab and a drainage ditch positioned on the concrete slab, wherein the surface of the concrete slab is provided with a waterproof coiled material, a heat preservation layer, an isolation layer, a waterproof protection layer and a roof brick in sequence; the drainage ditch comprises a hidden drainage channel, a ditch bottom decorative layer and an exposed drainage channel from bottom to top; two side walls of the drainage ditch are brick blocks, and the open drainage channel and the dark drainage channel are separated by the brick blocks and the ditch bottom decorative layer; a gravel water filtering layer is arranged on the outer side of the brick blocks; the upper part of the gravel water filtering layer is communicated with a drainage channel of the heat-insulating layer to form a communicating channel; the groove bottom of the hidden drainage channel adopts mortar to find a slope, and the surface of the mortar found the slope is fully paved with a plastic hydrophobic plate and a plastic isolating layer in sequence; the brick building block is provided with a drain pipe, one end of the drain pipe is embedded into the gravel filter layer, and the other end of the drain pipe is inserted into the bottom of the hidden drain channel. The structure is simple and convenient to construct, is convenient to implement, and can effectively solve or reduce the problem of concentrated efflorescence on the surface of the roof and the edge of the drainage ditch.
Description
Technical Field
The utility model relates to a building engineering construction technical field especially relates to a stealthy drainage structure of roofing.
Background
The building roof is exposed to the sun and rain and can easily break and straighten along with the lapse of time, for example, a concrete protective layer cracks, rainwater enters a roof heat-insulating layer structure along the crack, accumulated water in the heat-insulating layer is not easy to be discharged, and the problem of efflorescence of a roof surface decorative surface layer (for example, floor tiles) is directly caused.
The reason for the saltpetering of the decorative surface layer of the roof surface is mainly due to the fact that accumulated water which is not drained in time exists in the thermal insulation layer of the roof, and hydration heat reaction between the accumulated water and concrete forms Ca (OH)2(ii) a When the water level in the interior rises, it will seep out from other weak or low-lying parts such as cracks, gaps, drain edges, etc., Ca (OH)2CO in the air2Production of CaC03Calcium carbonate is a white object.
The efflorescence substance causes pollution to the roof decorative surface layer. The edge of the drainage ditch is a low-lying part of the whole roof, so that the efflorescence substances are easy to accumulate at the low-lying part, and after a long time, the efflorescence substances carry with pollution substances such as dust and the like, so that the periphery of the drainage ditch is blackened, bacteria are bred, and the appearance and the use are seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the deficiencies of the prior art and providing a roof invisible drainage structure.
The utility model discloses a realize through following technical scheme: a roof invisible drainage structure comprises a concrete slab and a drainage ditch arranged on the concrete slab, wherein a waterproof coiled material, a heat insulation layer provided with a drainage channel, an isolation layer, a waterproof protection layer and a roof brick are sequentially arranged on the surface of the concrete slab from bottom to top; the drainage ditch comprises a hidden drainage channel, a ditch bottom decorative layer and an exposed drainage channel from bottom to top; two side walls of the drainage ditch are brick blocks, and the open drainage channel and the hidden drainage channel are separated by the brick blocks and the ditch bottom decorative layer; the outer side of each brick block is provided with a gravel water filtering layer, and the invisible roof drainage structure sequentially comprises the gravel water filtering layer, the brick blocks, the drainage ditch, the brick blocks and the gravel water filtering layer from left to right by taking the cross section of the drainage ditch as a reference; the upper part of the gravel water filtering layer is communicated with the drainage channel of the heat-insulating layer to form a communicating channel; the bottom of the blind drainage channel adopts mortar to find a slope, the surface of the mortar layer of the mortar to find the slope is fully paved with a plastic hydrophobic plate, the surface of the plastic hydrophobic plate is fully paved with a plastic isolation layer, and the surface of the plastic isolation layer is provided with the mortar or fine stone concrete to find the slope; the brick building block is provided with a drain pipe, one end of the drain pipe is embedded into the gravel filter layer, and the other end of the drain pipe is inserted into the bottom of the hidden drain channel; the upper side cover of the open drainage channel is provided with a shaped cover plate with a water drainage slot hole.
A dark drainage channel is arranged below the ditch bottom decoration layer and is mainly used for draining accumulated water and accumulated saltpetering substances in the heat insulation layers at the two sides; the upper part of the decorative layer at the bottom of the ditch is provided with an open drainage channel which is mainly used for discharging large strands of running water on the roof to form an open and hidden combined dual-function drainage ditch; the arrangement of the water drainage pipe can guide accumulated water and accumulated whiskering substances in the heat-insulating layer to the dark water drainage channel, and the upper part of the gravel water filtration layer is communicated with the water drainage channel of the heat-insulating layer to form a communication channel, so that the accumulated water and the whiskering substances in the heat-insulating layer can conveniently flow into the gravel water filtration layer; the dark and the bright drainage channels are separated from each other by the brick blocks in the transverse direction, so that large water flow of the bright drainage channel can be effectively prevented from reversely permeating into the dark drainage channel and further permeating into the heat insulation layer; the hidden and the bright drainage channels are separated from the plastic isolation layer through the ditch bottom decoration layer in the longitudinal direction, so that a large stream of water flow of the bright drainage channel can be effectively prevented from flowing into the hidden drainage channel.
The plastic isolation layer is made of resin film or oil felt paper. The resin film or the felt paper has poor water permeability and is laid on the hydrophobic plate, so that capillary water flow of the open drainage channel can be prevented from permeating into the dark drainage channel.
The drain pipe is made of PVC materials.
The drain pipes are uniformly arranged along the length direction of the drain pipes, and the distance between every two adjacent drain pipes is 1100-1200 mm.
The water falling slotted hole is provided with a plurality of slotted holes which are arranged side by side. The arrangement of the water falling slotted hole can guide a large flow of water into the open water drainage channel to be drained as soon as possible.
The plastic hydrophobic plate is formed by criss-cross interweaving of plastic strips, and a plurality of hydrophobic holes are formed between the plastic strips. The plastic strips are criss-cross interlaced, so that hydrophobic holes can be formed, drainage is facilitated, the structure is tight, and the performance is strong.
The end of the drain pipe embedded into the gravel water filtering layer is higher than the end of the drain pipe inserted into the bottom of the dark drainage channel. The end of the drainage pipe positioned on the gravel water filtering layer is higher than the end of the drainage pipe positioned at the bottom of the dark drainage channel, and the drainage pipe has a height difference, so that the gravel water filtering layer can drain water to one end of the dark drainage channel.
The width of the gravel water filtering layer is at least 100 mm. The width setting of rubble drainage layer is convenient for the later stage and is filled the rubble.
Compared with the prior art, the utility model has the advantages of: the structure adopts a drainage structure with dual functions of open drainage and hidden drainage, wherein rainwater is drained from the upper part of the drainage structure, and accumulated water and accumulated saltpetering substances in the heat insulation layer are drained from the bottom part of the drainage structure; the structure is simple and convenient, the implementation is convenient, and the problem of concentrated efflorescence on the surface of the roof and the edge of the drainage ditch can be effectively solved or reduced.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural view of the shaping cover plate according to the embodiment of the present invention.
The reference numerals in the drawings mean: 1. a concrete slab; 2. waterproof coiled materials; 3. a heat-insulating layer; 4. an isolation layer; 5. a waterproof protective layer; 6. roof bricks; 7. a dark drainage channel; 8. a trench bottom decoration layer; 9. a clear drain channel; 10. brick building blocks; 11. a water filtering layer for breaking stones; 12. a drain pipe; 13. shaping the cover plate; 131. a drain hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Examples
Referring to fig. 1 to 2, the invisible drainage structure for the roof comprises a concrete slab 1 and a drainage ditch arranged on the concrete slab 1, wherein a waterproof coiled material 2, a heat insulation layer 3 provided with a drainage channel, an isolation layer 4, a waterproof protection layer 5 and a roof brick 6 are sequentially arranged on the surface of the concrete slab 1 from bottom to top; the drainage ditch comprises a hidden drainage channel 7, a ditch bottom decorative layer 8 and an exposed drainage channel 9 from bottom to top; two side walls of the drainage ditch are brick blocks 10, and the open drainage channel 9 and the dark drainage channel 7 are separated by the brick blocks 10 and the ditch bottom decoration layer 8; the outer side of the brick building block 10 is provided with a gravel water filtering layer 11, and the invisible roof drainage structure sequentially comprises the gravel water filtering layer 11, the brick building block 10, the drainage ditch, the brick building block 10 and the gravel water filtering layer 11 from left to right by taking the cross section of the drainage ditch as a reference; the upper part of the gravel water filtering layer 11 is communicated with a drainage channel of the heat-insulating layer 3 to form a communicating channel; the groove bottom of the hidden drainage channel 7 adopts mortar for slope finding, a plastic hydrophobic plate is fully paved on the surface of the mortar layer of the mortar for slope finding, a plastic isolation layer is fully paved on the surface of the plastic hydrophobic plate, and mortar or fine aggregate concrete for slope finding is arranged on the surface of the plastic isolation layer; the brick building block 10 is provided with a drain pipe 12, one end of the drain pipe 12 is embedded into the gravel water filtering layer 11, and the other end of the drain pipe 12 is inserted into the bottom of the dark drainage channel 7; the upper side cover of the open drainage channel 9 is provided with a shaping cover plate 13 with a water falling groove hole 131.
A dark drainage channel 7 is arranged below the ditch bottom decoration layer 8 and is mainly used for draining accumulated water and accumulated whiskering substances in the heat insulation layers 3 at the two sides; the ditch bottom decorative layer 8 is provided with an open drainage channel 9 above, and is mainly used for draining large roof running water to form an open and hidden combined dual-function drainage ditch; the arrangement of the drain pipe 12 can lead accumulated water and accumulated whiskering substances in the heat-insulating layer 3 to the dark drainage channel 7, and the upper part of the macadam water filtering layer 11 is communicated with the drainage channel of the heat-insulating layer 3 to form a communication channel, so that the accumulated water and the whiskering substances in the heat-insulating layer 3 can conveniently flow into the macadam water filtering layer 11; the dark and the bright drainage channels 9 are separated from each other by the brick blocks 10 from the transverse direction, so that a large strand of water flow of the bright drainage channel 9 can be effectively prevented from reversely permeating into the dark drainage channel 7 and further permeating into the heat-insulating layer 3; the hidden drainage channel 7 and the bright drainage channel 9 are longitudinally separated from the plastic isolation layer through the ditch bottom decoration layer 8, so that a large stream of water flow of the bright drainage channel 9 can be effectively prevented from flowing into the hidden drainage channel 7.
The plastic isolation layer adopts resin film or oil felt paper. The resin film or the felt paper has poor water permeability and is laid on the hydrophobic plate to prevent capillary water flow of the open drainage channel 9 from permeating into the dark drainage channel 7.
The drain pipe 12 is made of PVC material.
The plurality of the drainage pipes 12 are uniformly arranged along the length direction of the drainage pipe 12, and the distance between the adjacent drainage pipes 12 is 1100-1200 mm.
The drain hole 131 is provided with a plurality of grooves and arranged side by side. The arrangement of the water falling slot hole 131 can guide a large flow of water into the open water drainage channel 9 to be drained as soon as possible.
The plastic hydrophobic plate is formed by criss-cross interweaving of plastic strips, and a plurality of hydrophobic holes are formed between the plastic strips. The plastic strips are criss-cross interlaced, so that hydrophobic holes can be formed, drainage is facilitated, the structure is tight, and the performance is strong.
The end of the drainage pipe 12 embedded in the gravel water-filtering layer 11 is higher than the end of the drainage pipe 12 inserted into the bottom of the dark drainage channel 7. The end of the water discharge pipe 12 positioned on the gravel water filter layer 11 is higher than the end thereof positioned at the bottom of the dark drainage channel 7, and has a height difference, so that the gravel water filter layer 11 is favorable for discharging water to one end of the dark drainage channel 7.
The width of the crushed stone water filter layer 11 is at least 100 mm. The gravel water filtering layer 11 is wide, so that later-stage filling of gravel is facilitated.
The technical principle of the structure is as follows: the drainage structure system with the dual functions of open drainage and hidden drainage is designed, rainwater is drained from the upper part of the ditch, and accumulated water and accumulated saltpetering substances in the heat-insulating layer 3 are drained from the bottom in a hidden way. The two sides of the drainage ditch are provided with the invisible drainage channels of the gravel water filtering layers 11, the heat preservation layer 3 is connected with the invisible drainage channel 7 at the lower part of the drainage ditch, accumulated water in the heat preservation layer 3 is drained to the bottom of the drainage ditch to be drained away, and the efflorescence substances accumulated at the edge of the drainage ditch are drained along with the flowing of the accumulated water.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention should be included within the scope of the present invention.
Claims (8)
1. The utility model provides a stealthy drainage structures of roofing, includes concrete slab and establishes the escape canal on concrete slab which characterized in that: the concrete slab surface is sequentially provided with a waterproof coiled material, a heat insulation layer with a drainage channel, an isolation layer, a waterproof protection layer and a roof brick from bottom to top; the drainage ditch comprises a hidden drainage channel, a ditch bottom decorative layer and an exposed drainage channel from bottom to top; two side walls of the drainage ditch are brick blocks, and the open drainage channel and the hidden drainage channel are separated by the brick blocks and the ditch bottom decorative layer; the outer side of each brick block is provided with a gravel water filtering layer, and the invisible roof drainage structure sequentially comprises the gravel water filtering layer, the brick blocks, the drainage ditch, the brick blocks and the gravel water filtering layer from left to right by taking the cross section of the drainage ditch as a reference; the upper part of the gravel water filtering layer is communicated with the drainage channel of the heat-insulating layer to form a communicating channel; the bottom of the blind drainage channel adopts mortar to find a slope, the surface of the mortar layer of the mortar to find the slope is fully paved with a plastic hydrophobic plate, the surface of the plastic hydrophobic plate is fully paved with a plastic isolation layer, and the surface of the plastic isolation layer is provided with the mortar or fine stone concrete to find the slope; the brick building block is provided with a drain pipe, one end of the drain pipe is embedded into the gravel filter layer, and the other end of the drain pipe is inserted into the bottom of the hidden drain channel; the upper side cover of the open drainage channel is provided with a shaped cover plate with a water drainage slot hole.
2. The invisible roofing drainage structure of claim 1, wherein: the plastic isolation layer is made of resin film or oil felt paper.
3. The invisible roofing drainage structure of claim 1, wherein: the drain pipe is made of PVC materials.
4. The invisible roofing drainage structure of claim 1, wherein: the drain pipes are uniformly arranged along the length direction of the drain pipes, and the distance between every two adjacent drain pipes is 1000-1200 mm.
5. The invisible roofing drainage structure of claim 1, wherein: the water falling slotted hole is provided with a plurality of slotted holes which are arranged side by side.
6. The invisible roofing drainage structure of claim 1, wherein: the plastic hydrophobic plate is formed by criss-cross interweaving of plastic strips, and a plurality of hydrophobic holes are formed between the plastic strips.
7. The invisible roofing drainage structure of claim 1, wherein: the end of the drain pipe embedded into the gravel water filtering layer is higher than the end of the drain pipe inserted into the bottom of the dark drainage channel.
8. The invisible roofing drainage structure of claim 1, wherein: the width of the gravel water filtering layer is at least 100 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020336471.0U CN212295361U (en) | 2020-03-17 | 2020-03-17 | Roof invisible drainage structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020336471.0U CN212295361U (en) | 2020-03-17 | 2020-03-17 | Roof invisible drainage structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212295361U true CN212295361U (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020336471.0U Expired - Fee Related CN212295361U (en) | 2020-03-17 | 2020-03-17 | Roof invisible drainage structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212295361U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233918A (en) * | 2022-09-01 | 2022-10-25 | 中建五局华东建设有限公司 | Side exhaust device suitable for roof finished drainage ditch |
-
2020
- 2020-03-17 CN CN202020336471.0U patent/CN212295361U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233918A (en) * | 2022-09-01 | 2022-10-25 | 中建五局华东建设有限公司 | Side exhaust device suitable for roof finished drainage ditch |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210105 |
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| CF01 | Termination of patent right due to non-payment of annual fee |