CN219411536U - Hidden drainage exhaust structure of roofing square - Google Patents

Abstract

The utility model relates to the technical field of square roofs, in particular to a hidden drainage and exhaust structure of a roof square, wherein a surface layer waterproof layer, a heat preservation layer and a base waterproof layer are sequentially paved between a surface layer decorative layer of the roof and a building board from top to bottom; the top surface of the building board is inclined from the waterline to two sides, the surface layer decoration layer is positioned at the low-gradient point and is covered with a linear drainage ditch, and a siphon rain bucket is arranged at the lower side of a hidden well head; the utility model is suitable for flat roofs with various square property requirements, realizes hidden drainage and exhaust, ensures the drainage effect of the roof without water accumulation on the premise of meeting the relatively flat use function, realizes large-area square vision, no obstacle and no shielding at the same time, and greatly improves the image and use experience of the roof squares.

Description

Hidden drainage exhaust structure of roofing square

Technical Field

The utility model relates to the technical field of square roofs, in particular to a hidden drainage and exhaust structure of a roof square.

Background

In recent years, along with the development of economy, cities become more humanized, living environment standards of people are continuously improved, and requirements on reasonable space use and increased utilization rate are higher and higher. More and more roof squares, roof dining bars and the like appear, and people have become common practice for the space utilization of the roofs of people.

If the square roof meets the relatively flat use requirement, how to ensure the water drainage effect of the roof and no water accumulation; and if the square roof meets the hidden use requirement of the exhaust, guaranteeing the exhaust effect of the square roof with a larger area.

Building drainage techniques range from the traditional gravity flow systems originally used to the more widely used full flow drainage techniques today, with the following disadvantages: 1) In order to ensure the drainage effect, the roof slope is larger and is not suitable for the roof required by squares; 2) The procedures are complicated, the investment is large, and the construction period and the cost are influenced; 3) The surface layer uses a grid type grate, impurities are easy to enter excessively in the operation stage, the cleaning workload is increased, and a rainwater pipeline is easy to be blocked; 4) The use effect and the aesthetic property are not good.

The technical measure that the design of roofing exhaust structure was taken to the coiled material roofing that closed heat preservation was dry had difficulty, its core technology is that heat preservation and the inside exhaust duct that sets up of screed-coat let unnecessary moisture in the basic unit let the atmosphere through roofing exhaust structure, can effectively reduce heat preservation in-situ steam pressure, reduce coiled material waterproof layer and play the drum, also can restrain roofing waterproof layer fracture and roofing seepage simultaneously. This method of venting suffers from the following disadvantages: 1) The heat preservation space is occupied, hidden hazards exist in energy-saving hidden acceptance, and heat preservation nodes are required to be reinforced; 2) The exhaust pipelines are transversely and longitudinally arranged, so that the cost is relatively high; 3) The leakage of the exhaust pipeline influences the experience of the beautiful and square roof; 4) The arrangement space of the exhaust pipe vertical pipes is 36 square meters conventionally, and if the space is too large, the vapor pressure in the waterproof lower heat insulation layer can be increased greatly, so that the waterproof performance is affected.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a hidden drainage and exhaust structure for a square roof, which meets the relatively flat use function of the square roof, and effectively and beautifully solves the drainage and exhaust problems by adopting hidden drainage and exhaust.

In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:

according to the hidden drainage and exhaust structure for the roof square, a surface layer waterproof layer, a heat preservation layer and a base layer waterproof layer are paved between a surface layer decorative layer of the roof and a building board from top to bottom in sequence; the top surface of the building board is inclined from the waterline to two sides, the surface layer decoration layer is positioned at the low-gradient point and is covered with a linear drainage ditch, a plurality of hidden well heads are arranged along the linear drainage ditch, and a siphon rain bucket is arranged at the lower side of the hidden well heads.

In one possible technical solution, the heat-insulating layer is laid by adopting a light material, and the thickness of the heat-insulating layer adjacent to the linear drainage ditch is minimum.

In one possible technical scheme, a plurality of hidden floor drains are arranged between the two siphon rain hoppers and positioned on the lower side of the heat insulation layer.

In one possible solution, the height of the linear drainage ditch is not higher than 200mm.

In one possible technical scheme, a drain board is laid on the top surface of the heat insulation layer, and the protruding part of the drain board faces downwards; an exhaust pipe is hidden in the wall body around the roof, one end of the exhaust pipe is led into the lower side of the drain board, and the other end of the exhaust pipe is led to the outer side of the wall body.

In one possible technical scheme, an exhaust cap is arranged at the position of the outer side of the wall body, which is positioned at the outlet of the exhaust pipe, and the exhaust cap shields the outlet of the exhaust pipe at the inner side of the wall body.

Compared with the prior art, the utility model has the beneficial effects that: the utility model is suitable for flat roofs with various square property requirements, realizes hidden drainage, ensures the drainage effect of the roof, does not accumulate water on the premise of meeting the relatively flat use function, greatly improves the image and use experience of the square of the roof, provides a solution for the drainage of the urban roof with trend development in the follow-up process, and has better popularization prospect; a drain board is paved on the heat insulation layer for exhausting, and a hidden exhaust pipe is arranged in the peripheral wall body; the construction method can improve the leveling and viewing requirements of the roof squares in view, conceal and attractive exhaust pipes, reduce maintenance investment in the operation stage and meet the quality requirements of specifications and designs.

Drawings

FIG. 1 is a schematic view of slope finding and structural arrangement of a building board of a hidden drainage and exhaust structure of a roof square;

FIG. 2 is a schematic view of the cross-sectional structure of A-A of FIG. 1;

FIG. 3 is a schematic view of the cross-sectional structure B-B of FIG. 1;

fig. 4 is a schematic diagram of the exhaust structure arrangement of the hidden drainage exhaust structure of the roof plaza of the present utility model.

Reference numerals: 1-a surface decorative layer; 2-a surface waterproof layer; 3-an insulating layer; 4-a base layer waterproof layer; 5-building panels; 6-linear drainage ditch; 7-siphoning a rain bucket; 8-a dark floor drain; 9-a drain board; 10-wall body; 11-an exhaust pipe; 12-exhaust cap.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

As shown in fig. 1 to 3, the hidden drainage and exhaust structure of the square roof in the embodiment of the utility model is a peaceful dragon guangding-edge complex (reconstruction and expansion) project under construction by the applicant, and is located in Qin Huangdao peaceful region, the start date is 5 days of 4 months in 2020, the completion date is 1 month 1 day of 10 years in 2021, the square roof is 8000 square meters in total, the surface decoration layer 1 of the roof needs to meet the use requirement of a relatively flat square roof, i.e. the square roof is not suitable for rising a slope, the slope is preferably lower than 0.01, for example, the slope of the surface decoration layer 1 shown in fig. 2 in the embodiment is 0.005; the lower side of the surface layer decorative layer 1 is sequentially provided with a surface layer waterproof layer 2, a heat preservation layer 3, a base layer waterproof layer 4 and a building board 5, in order to realize hidden drainage of roof rainwater, a linear drainage ditch 6 is hidden at a slope low point in a combined roof catchment partition, the linear drainage ditch 6 is hidden inside the surface layer decorative layer 1, the drainage requirement is met, meanwhile, the use requirement of a roof square which is relatively smooth is met, the engineering image is improved, larger sundries can be prevented from entering, and the consumption cost is reduced for later operation and maintenance; during construction, the linear drainage ditch 6 can be directly assembled on site, so that the cost is relatively low, the construction period is short, and labor and material costs are saved; when the method is implemented, construction planning and drainage calculation are needed to be performed in advance, the roof practice thickness is limited by the height of the linear drainage ditch 6, roof load is influenced, when the linear drainage ditch is selected, a linear drainage ditch with outstanding drainage capacity and lower height is selected preferentially by referring to a linear drainage ditch model and drainage capacity comparison table, and the matched width and height are needed to be selected according to the specific arrangement condition of the surface decorative layer 1; the linear drainage ditch 6 is along seting up a plurality of hidden well heads to, and siphon rain water bucket 7 is installed in the downside of hidden well heads, and the linear drainage ditch 6 establishes ties a plurality of siphon rain water buckets 7, and the rainwater promotes the drainage through a plurality of siphon rain water buckets 7 after discharging into linear drainage ditch 6 through the dispersion, and through the linear drainage ditch 6 of selecting suitable model and drainage ability and the common dispersion drainage of siphon rain water bucket 7, can realize the smooth and easy drainage of more flat roofing square.

The utility model is suitable for flat roofs with various square property requirements, realizes hidden drainage, ensures the drainage effect of the roof without water accumulation on the premise of meeting the relatively flat use function, greatly improves the experience of the square of the roof, provides a solution for the follow-up drainage of urban roofs with trend development, and has better popularization prospect.

The flat roof square is a non-planting roof square, and possibly the roof square also has roof ferris wheels, so that the net red punching card of the square and the activity requirement of the roof square are met, and meanwhile, the load of the roof practice is controlled, too much roof structure load reserve is not occupied as much as possible, so that the thickness of the surface decorative layer 1 is required to be reduced to the greatest extent, the occupation of the roof load reserve is reduced, on one hand, the heat preservation layer 3 is required to be paved by adopting light materials, and the roof load is reduced while the heat preservation performance of the roof is ensured; on the other hand, as shown in fig. 1 and 3, as the linear drainage ditch 6 occupies space and load, the thickness of the heat insulation layer 3 adjacent to the linear drainage ditch 6 is minimum, and the thickness of the heat insulation layer at the non-drainage ditch can be properly thickened in combination with the slope finding requirement of the building, so that the heat insulation performance is enhanced, and meanwhile, the load of the building practice is reduced.

In order to simultaneously consider the water seepage to the ground and the water drainage below the building surface layer, the drainage and exhaust structure is provided with a plurality of hidden drains 8 between two siphon rain hoppers 7 and positioned at the lower side of the heat preservation layer 3, so that the integral impermeability of the structure can be improved, and the slope of the linear drainage ditch 6 along the position positioned at the hidden drains 8 is lower.

In practice, the height of the linear drainage channel 6 is preferably not higher than 200mm in order to reduce the thickness of the roof.

In the aspect of exhaust, the temperature rise of the square roof needs to be prevented due to sun exposure and the like, so that the moisture and the vapor existing in the heat preservation layer are gasified, the pressure of the vapor is increased, the waterproof quality of the surface layer is affected, and the hidden trouble of leakage is caused; the area of the roof square is large, no barrier or shielding is needed, and exhaust pipelines leak outside in the existing roof square, and although part of landscapes can be utilized to hide the exhaust pipelines, the visual effect cannot be realized; therefore, the top surface of the heat insulation layer 3 is fully paved with the drain board 9, and as shown in fig. 4, the protruding part of the drain board 9 is downward; the pipeline groove is reserved in the peripheral wall body 10 of the roof, the exhaust pipe 11 is arranged in the groove, the wall body 10 can be a parapet wall or a wall body such as an equipment room, one end of the exhaust pipe 11 is led to the lower side of the drain board 9, the other end is led to the outer side of the wall body 10, the gas at the lower part of the heat preservation layer 3 of the roof square is integrally communicated, the influence of temperature is avoided, the local vapor pressure is overlarge, the water prevention is ensured, the bulge and the damage cannot be caused by the vapor pressure, the drain board 9 replaces the traditional exhaust pipeline, the characteristic of larger exhaust coverage width is realized, the exhaust effect is improved, and the vapor pressure of the waterproof lower heat preservation board is dispersed.

The utility model uses the drain boards to lay the heat-insulating layer and the exhaust pipes are hidden along the parapet wall, the equipment room and other walls to replace the traditional method, the whole construction process is simple and quick, the material loss is reduced, and the construction efficiency is high; the drain bar does not occupy the heat preservation space, and effectively link up the square large tracts of land heat preservation is whole, makes inside gas obtain effective intercommunication, discharges, and the guarantee surface course waterproof layer is the internal steam pressure of heat preservation stable below, prevents that the steam pressure increases greatly and influences waterproof performance.

Preferably, the outer side of the wall body 10 is located at the outlet position of the exhaust pipe 11, and an exhaust cap 12 is installed, the exhaust cap 12 shields the outlet of the exhaust pipe 11 at the inner side thereof, so as to prevent rainwater or sundries outside the wall body from entering the exhaust pipe 11, and the exhaust cap 12 can be made of more attractive materials such as stainless steel.

When the hidden drainage and exhaust structure of the roof square is constructed, firstly, according to drainage subareas, the elevation of each key point position is calculated in advance, elevation control is performed, the structure and a surface layer building are constructed in an integrated manner, slopes are found on the two sides of the top surface of a building board 5 from the water dividing line, then a base waterproof layer 4 is paved, and a hidden floor drain 8 is buried at a low gradient point; then laying the heat preservation layer 3, leveling the heat preservation layer 3 by adopting a light heat preservation material, so that the thickness of the heat preservation layer 3 adjacent to the linear drainage ditch 6 is minimum, and the thickness of the heat preservation layer at the non-drainage ditch can be properly thickened according to the slope finding requirement of the building; laying cut drain boards 9 on the top surface of the heat preservation layer 3 according to planned exhaust grids, arranging exhaust pipes 11 in the wall bodies 10 such as parapet walls and equipment rooms in a hidden mode, leading one ends of the exhaust pipes 11 to the lower side of the drain boards 9, leading the other ends of the exhaust pipes to the outer side of the wall bodies 10, making plastering and waterproof joints of the wall bodies 10, and mounting exhaust caps 12 after decorating the surface layers of the wall bodies; paving a leveling layer on the upper side of the drain plate 9, paving a surface layer waterproof layer 2, installing and paving a siphon rain bucket 7 and a linear drain 6 at corresponding positions, and finally paving a surface layer decorative layer 1; the drainage and exhaust structure and the surface layer building are integrally constructed for slope finding, procedures are reduced, the total thickness can be reduced, the concrete consumption is saved, the load of roof building practice is reduced, and the transverse water flowing of a building leveling layer can be avoided.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (6)

1. The hidden drainage and exhaust structure for the roof square is characterized in that a surface layer waterproof layer (2), a heat preservation layer (3) and a base layer waterproof layer (4) are paved between a surface layer decorative layer (1) of the roof and a building board (5) from top to bottom in sequence; the top surface of building board (5) is from waterline to both sides find the slope, and surface course decorative layer (1) are located slope low point department and lay on linear escape canal (6) secretly, and a plurality of dark well heads are offered along the orientation to linear escape canal (6), and siphon rainwater fill (7) are installed in the downside of dark well head.

2. A roof plaza hidden drainage and exhaust structure according to claim 1, wherein the heat insulating layer (3) is laid by adopting light materials, and the thickness of the heat insulating layer (3) adjacent to the linear drainage ditch (6) is minimum.

3. The hidden drainage and exhaust structure of a roof square as claimed in claim 2, wherein a plurality of hidden floor drains (8) are arranged between the two siphon rain hoppers (7) and positioned on the lower side of the heat insulation layer (3).

4. A roof plaza hidden drainage and venting structure according to claim 3, wherein the height of said linear drainage ditch (6) is not higher than 200mm.

5. The hidden drainage and exhaust structure of the roof square as claimed in claim 4, wherein a drainage plate (9) is laid on the top surface of the heat insulation layer (3), and the protruding part of the drainage plate (9) is downward; an exhaust pipe (11) is hidden in the wall body (10) around the roof, one end of the exhaust pipe (11) is led into the lower side of the drain board (9), and the other end of the exhaust pipe is led to the outer side of the wall body (10).

6. The hidden drainage and exhaust structure of the roof square as claimed in claim 5, wherein the outer side of the wall body (10) is provided with an exhaust cap (12) at the outlet position of the exhaust pipe (11), and the exhaust cap (12) shields the outlet of the exhaust pipe (11) at the inner side thereof.