CN113235836B

CN113235836B - Impervious roofing waterproof drainage structure

Info

Publication number: CN113235836B
Application number: CN202110560504.9A
Authority: CN
Inventors: 宫洁清; 江朝宏; 黄欢; 陈美爱; 王利萍; 颜烨; 戴子恺
Original assignee: Ningbo Mingsen Architectural Design Institute Co ltd
Current assignee: Ningbo Mingsen Architectural Design Institute Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2022-05-10
Anticipated expiration: 2041-05-21
Also published as: CN113235836A

Abstract

The utility model relates to a waterproof drainage structures of impervious roofing, it includes the waterproof layer that the building roof set gradually from bottom to top, heat preservation and veneer protective layer, the spaced apart a plurality of drainage seams that are equipped with on the veneer protective layer, the first water drainage tank with drainage seam one-to-one is seted up to the below of drainage seam, be provided with second water drainage tank on the building roof, the top at second water drainage tank is connected to the one end of first water drainage tank, the one end of second water drainage tank is provided with the water catch bowl, the bottom of water catch bowl is provided with drainage mechanism. In rainy day, the rainwater flows into to first water drainage tank through the drainage seam department between the veneer protective layer on the building roof, converges the second water drainage tank again, flows into in the water catch bowl at last and discharges away through drainage mechanism, is greater than the bold debris interception of drainage seam with the size through the drainage seam on the building roof outside, can prevent effectively that bold debris from blockking up the drainage system on building roof, and this application has the effect that improves building roof drainage effect.

Description

Impervious roofing waterproof drainage structure

Technical Field

The application relates to the field of building waterproofing technology, in particular to a waterproof and drainage structure for an impervious roof.

Background

The roof is the building component at building top, and it mainly has carries out the guard action to building top, along with the continuous development of modern building, and the requirement to the roof is higher and higher, and prevention of seepage water performance has important influence to the wholeness ability of roof as one of the important performance of roof, and the roof infiltration can lead to the inner structure of roof to receive the rainwater erosion, and then influences the wholeness ability of roof. Modern roof roofs are used as open lands which are rarely used in urban life at present, and residents often perform activities such as clothes airing, flower and grass planting and the like on the roof roofs.

Drainage ditches are arranged on the edge of a roof of a building at present, a drainage floor drain is arranged in the drainage ditches, and the drainage floor drain is externally connected with a sewage pipe to drain rainwater on the roof.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: in the moving process of people, garbage is easy to generate, the garbage is easy to flow to the drainage floor drain under the washing of rainwater and block the floor drain, and the drainage effect is poor.

Disclosure of Invention

In order to improve roofing drainage effect, this application provides a waterproof drainage structure of impervious roofing.

The application provides a waterproof drainage structures of impervious roofing adopts following technical scheme:

the utility model provides a waterproof drainage structures of impervious roofing, includes waterproof layer, heat preservation and the veneer protective layer that the building roof upwards set gradually from bottom to top, spaced apart on the veneer protective layer is equipped with a plurality of drainage seams, the first water drainage tank with drainage seam one-to-one is seted up to the below of drainage seam, be provided with second water drainage tank on the building roof, the top at second water drainage tank is connected to the one end of first water drainage tank, the one end of second water drainage tank is provided with the water catch bowl, the bottom of water catch bowl is equipped with drainage mechanism.

Through adopting above-mentioned technical scheme, in rainy day, the rainwater falls on the building roof, and flow into to first water drainage tank from the drainage seam department on the veneer protective layer, and through first water drainage tank, flow to the second water drainage tank on the building roof, in the second water drainage tank back is joined in to ponding in each first water drainage tank, drainage mechanism department is walked away in the water catch bowl of second water drainage tank one end, through the drainage seam, with the building roof size be greater than the big debris interception of drainage seam outside, effectively prevent that big debris from blockking up the drainage system on building roof, improve drainage effect.

Optionally, the drainage mechanism includes a floor drain, the floor drain is arranged on the bottom wall of the water collecting tank, and the bottom of the floor drain is connected with a drainage pipe communicated with the sewage pipe.

By adopting the technical scheme, after rainwater is converged into the water collecting tank on the building roof, the rainwater flows to the drain pipe from the floor drain in the water collecting tank and then flows to the sewage pipe through the drain pipe, and the rainwater on the building roof is smoothly discharged.

Optionally, one side of the water collecting tank is provided with an auxiliary pipe, one end of the auxiliary pipe is connected to the side wall of the water collecting tank and communicated with the water collecting tank, the other end of the auxiliary pipe is communicated with the drain pipe, and the middle of the auxiliary pipe is higher than an opening of the auxiliary pipe on the water collecting tank and lower than an upper opening of the water collecting tank.

Through adopting above-mentioned technical scheme, the drainage efficiency at the floor drain is not enough to and when accumulating more silt in the water catch bowl and cause floor drain drainage efficiency to reduce, water level rises in the water catch bowl, and after water level was higher than the middle part level of auxiliary pipe in the water catch bowl, under the atmospheric pressure effect, the rainwater flowed to the drain pipe through the auxiliary pipe, and in the flow process, make the internal gas pressure of auxiliary pipe reduce, with the help of the siphon effect, with rainwater and fine sand suction to the drain pipe row in the water catch bowl, improve the drainage effect on building roof.

Optionally, the bottom of the drain pipe is provided with a flaring section with an increased diameter, and the auxiliary pipe is connected to the side wall of the flaring section of the drain pipe.

By adopting the technical scheme, the diameter of the bottom of the drain pipe is enlarged, and the drain pipe can provide enough diameter when the auxiliary pipe and the floor drain jointly act for draining, so that the drainage requirements of the auxiliary pipe and the floor drain are met.

Optionally, the two sides of the drainage seam are provided with water baffles, the water baffles are attached to the facing protective layer and the heat preservation layer, the top of each water baffle is fixedly provided with a connecting plate, and the connecting plates are fixedly connected to the inside of the facing protective layer.

Through adopting above-mentioned technical scheme, when the rainwater got into first drainage tank through the drainage seam, lead to the joint interception effect of connecting plate and breakwater, effectively prevent during the gap between rainwater infiltration veneer protective layer and the heat preservation, keep roofing water-proof effects, improve the life of heat preservation and veneer protective layer.

Optionally, the connecting plate is arranged in an inclined manner along a direction away from the water baffle, and the horizontal height of the edge of the connecting plate away from the water baffle is higher.

Through adopting above-mentioned technical scheme, be the slope with the connecting plate design, make the connecting plate keep away from the one end of breakwater for higher edge and embedding veneer protective layer in, can effectively prevent the rainwater from connecting plate department to the infiltration in the veneer protective layer, improve the impervious water-proof effects on building roof.

Optionally, a plurality of abutting blocks are fixedly arranged on the surface, close to the drainage seam, of the water baffle, and the abutting blocks are arranged at intervals along the length direction of the drainage seam.

Through adopting above-mentioned technical scheme, when the veneer protective layer on the building roof expands with heat and contracts with cold along with seasonal variation, the butt piece is arranged in the drainage seam to under veneer protective layer inflation state, both sides support tightly in the drainage seam in the butt piece, and the interval gap between the adjacent butt piece continues to play the drainage effect, prevents effectively that the veneer protective layer from continuing the inflation and causing the drainage seam totally closed, improves the drainage effect on building roof.

Optionally, a water guide plate attached to the first drainage groove is fixedly arranged on the bottom wall of the first drainage groove, elastic plates are fixedly arranged on two sides of the water guide plate, the bottom of the water baffle extends downwards to the position between the water baffles on two sides of the water guide plate, and a sealing strip used for being in sealing contact with the water baffle is fixedly arranged on one side, close to the water baffle, of the upper edge of the elastic plate.

Through adopting above-mentioned technical scheme, the bottom plate, two elastic plates and the sealing strip of elastic plate both sides are sealed the under shed of both sides breakwater in the drainage seam, prevent effectively that the rainwater from the infiltration of the lower direction both sides veneer protection shield of breakwater, improve the impervious waterproof performance on building roof.

Optionally, the bottom wall of the second drainage groove is obliquely arranged along the length direction of the second drainage groove, and one end, close to the water collecting tank, of the bottom wall of the second drainage groove is a lower end.

Through adopting above-mentioned technical scheme, the inclination of second drain tank bottom makes the rainwater in the second drain tank can flow to the water catch bowl fast, improves the drainage performance on building roof.

In summary, the present application includes at least one of the following beneficial technical effects:

1. in rainy days, rainwater flows into the first drainage groove through drainage seams between facing protective layers on the building roof, then flows into the second drainage groove, finally flows into the water collecting groove and is drained away through the drainage mechanism, and the drainage seams on the building roof intercept large sundries with the size larger than that of the drainage seams, so that the large sundries are effectively prevented from blocking a drainage system of the building roof, and the drainage effect is improved;

2. when the drainage efficiency of the floor drain is insufficient, the water level in the water collection tank rises, when the water level in the water collection tank is higher than the middle horizontal height of the auxiliary pipe, rainwater flows to the drainage pipe through the auxiliary pipe, and the rainwater and fine sand in the water collection tank are pumped to the drainage pipe to be drained by means of siphon effect, so that the drainage effect of the building roof is improved;

3. when rainwater entered the first drainage groove through the drainage seam, the joint connection plate and the water baffle plate intercept the action together, effectively prevent rainwater infiltration in the gap between facing protective layer and the heat preservation, keep the roof water-proof effect, improve the life of heat preservation and facing protective layer.

Drawings

Fig. 1 is a schematic overall structure diagram of a roofing structure according to an embodiment of the present application.

FIG. 2 is a schematic partial sectional structural view of a building roof and facing insulation board according to an embodiment of the present application.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 2.

FIG. 5 is a schematic sectional plan view of a drainage slit according to an embodiment of the present invention.

Description of reference numerals: 1. building a roof; 11. a waterproof layer; 12. a heat-insulating layer; 13. a facing protective layer; 2. draining the water gap; 21. a water baffle; 211. a connecting plate; 212. a butting block; 3. a first drainage tank; 31. a water guide plate; 32. an elastic plate; 33. a sealing strip; 4. a second water discharge tank; 5. a water collection tank; 6. a drainage mechanism; 61. a floor drain; 62. a drain pipe; 621. a flared section; 63. an auxiliary tube.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses waterproof drainage structure of impervious roofing. Referring to fig. 1 and 2, the roof structure comprises a building roof 1, and a waterproof layer 11, an insulating layer 12 and a facing protective layer 13 are sequentially paved on the building roof 1 from bottom to top. The waterproof layer 11 is made of asphalt waterproof coiled materials and is fully paved on the building roof 1, the heat insulation layer 12 is made of EPS boards, and the facing protective layer 13 is paved by concrete combined with floor tiles. Many first water drainage tank 3 have been seted up in parallel on the EPS board, lie in on the veneer protective layer 13 and run through directly over first water drainage tank 3 be provided with the drainage seam 2 of first water drainage tank 3 one-to-one, in the veneer protective layer 13, lie in one side of first water drainage tank 3, still be equipped with first water drainage tank 3 looks vertically second water drainage tank 4, first water drainage tank 3 all communicates with second water drainage tank 4. The building roof 1 is also provided with a water collecting tank 5, and one end of the second water draining tank 4 is connected into the water collecting tank 5. A drainage structure is arranged in the water collecting tank 5, and a drainage mechanism 6 is communicated with a building sewage pipe and used for draining rainwater on the building roof 1.

Referring to fig. 2 and 3, in the present embodiment, the drainage structure is a floor drain 61, the floor drain 61 is installed on the bottom wall of the water collection tank 5, the top of the floor drain 61 is communicated with the water collection tank 5, the bottom of the floor drain 61 is connected with a drainage pipe 62, and the other end of the drainage pipe 62 is communicated with a building sewage pipe. The drainage seam 2 on the building roof 1 is utilized to intercept large sundries on the building roof 1 so as to reduce the possibility of blockage of the floor drain 61, therefore, the width of the drainage seam 2 is smaller than the size of an opening on the floor drain 61.

In other embodiments, the drainage structure may be the drainage pipe 62 directly, and the drainage pipe 62 may be directly connected to the bottom wall of the water collection tank 5. However, since there is a possibility that filamentous foreign matter such as hair may be caught in the water collection tank 5 and easily get into a lump to block the water discharge pipe 62, the foreign matter such as hair should be secondarily caught by the floor drain 61.

In order to clean the floor drain 61, the movable plate is arranged right above the opening of the water collecting tank 5, and a worker detaches the movable plate on the building roof 1 to expose the drainage tank and clean sundries in the drainage tank.

In order to prevent the blockage of the floor drain 61 caused by the collection of a large amount of silt in the water collection tank 5 and the insufficiency of the sixth drainage efficiency caused by the overlarge flow of rainwater on the building roof 1, an auxiliary pipe 63 is further arranged on one side of the water collection tank 5. One end of the auxiliary pipe 63 is connected to the side wall of the water collecting tub 5, and the other end is connected to the side wall of the water discharging pipe 62. The auxiliary pipe 63 makes the water collecting tub 5 directly communicate with the water discharging pipe 62, the middle part of the auxiliary pipe 63 is formed in an arcuate shape, and the lowest water level of the arcuate top of the auxiliary pipe 63 should be higher than the level of the opening of the auxiliary pipe 63 on the water collecting tub 5 and lower than the level of the upper opening of the water collecting tub 5.

After the water level in the water collecting tank 5 is higher than the lowest water level at the arch top of the auxiliary pipe 63, rainwater flows to the drain pipe 62 through the auxiliary pipe 63, in the flowing process of the rainwater, air in the auxiliary pipe 63 flows along with the rainwater, so that negative pressure occurs in the auxiliary pipe 63, water and silt in the water collecting tank 5 are sucked into the water collecting tank 5, in order to prevent the requirement that the flow path of the drain pipe 62 cannot meet the requirement when the auxiliary pipe 63 and the floor drain 61 work simultaneously, the lower part of the drain pipe 62 is a flared section 621 with an enlarged diameter, and one end, far away from the water collecting tank 5, of the auxiliary pipe 63 is connected to the flared section 621 of the drain pipe 62.

Referring to fig. 2 and 4, in order to prevent rainwater from penetrating into the joint between the insulating layer 12 and the facing protective layer 13 when passing through the drainage seam 2, water baffles 21 are further provided at both sides of the drainage seam 2. The water baffle 21 is attached to the side wall of the facing protective layer 13 along the length direction of the drainage seam 2 for construction, the lower part of the water baffle 21 extends into the first drainage groove 3 below, the top of the water baffle 21 is folded out of the connecting plate 211, and the part, far away from the water baffle 21, of the connecting plate 211 is embedded into the facing protective layer 13. The connecting plate 211 is arranged obliquely along the direction away from the water baffle 21, and the edge of the connecting plate 211 away from the water baffle 21 is the higher edge of the connecting plate 211. The water guard plate 21 may be a plastic plate.

Referring to fig. 5, a water guide plate 31 is bonded and fixed to the bottom wall of the first drain tank 3, and elastic plates 32 are formed by folding both sides of the water guide plate 31. The water deflector 31 is made of a polytetrafluoroethylene plate, and has a small friction coefficient, so that the silt in the first drainage tank 3 can be conveniently drained away. The elastic plates 32 on the two sides of the water guide plate 31 are made of the same material as the water guide plate 31, the two elastic plates 32 are respectively positioned on the two sides of the two water baffles 21 in the drainage seam 2, the upper edge of one side of the elastic plate 32 close to the water baffles 21 is fixedly bonded with the sealing strip 33, the sealing strip 33 is made of rubber, and the sealing strip 33 is tightly attached to the outer side of the part, extending into the first drainage groove 3, of the water baffles 21. The water guide plate 31, the two elastic plates 32, the two baffles and the two sealing strips 33 coat the inner walls of the drainage seam 2 and the first drainage groove 3, and effectively prevent water from permeating into a gap between the facing protective layer 13 and the heat-insulating layer 12.

In other embodiments, the water deflector 21 and the water deflector 31 on the bottom wall of the first drainage channel 3 may be integrally formed by steel sheets. The steel sheet has the rebound effect, can satisfy the flexible variable of veneer protective layer 13, but the connection compactness between steel sheet and the veneer protective layer 13 is not enough, needs additionally to adopt the bolt to fix between steel sheet and the veneer protective layer 13.

Referring to fig. 2 and 5, in order to make the silt flowing into the second drainage channel 4 smoothly flow into the water collection tank 5, the bottom wall of the second drainage channel 4 is also designed to be inclined along the length direction of the second drainage channel 4, and the bottom wall of the second drainage channel 4 on the side close to the water collection tank 5 has a lower horizontal height. In order to reduce the accumulation of silt in the second water discharge tank 4. The bottom wall of the second drainage channel 4 can also be paved by polytetrafluoroethylene plates.

In the building along with seasonal variation expend with heat and contract with cold in-process, drainage seam 2 between veneer protective layer 13 closes easily, in order to keep drainage seam 2 normal use, integrated into one piece has butt piece 212 on the face that manger plate 21 is close to drainage seam 2 one side, butt piece 212 is along a plurality of the even interval distribution of length direction of manger plate 21, when veneer protective layer 13 expands, after butt piece 212 and another manger plate 21 butt, the space between the butt piece 212 still can play the drainage effect.

Meanwhile, in order to prevent the gap width difference between the two water baffles 21 from being too large, the positions of the abutting blocks 212 on the water baffles 21 on the two sides of the drainage seam 2 are staggered, and the length of the abutting blocks 212 is larger than the length of the gap between the two adjacent abutting blocks 212 on the water baffles 21, so that when the drainage seam 2 is contracted, the abutting blocks 212 on the two water baffles 21 are abutted with each other, and the gap between the abutting blocks 212 is completely exposed.

The implementation principle of impervious roofing waterproof drainage structure of the embodiment of this application does: in rainy days, rainwater falls on the building roof 1 and flows into the first drainage channel 3 from the drainage seam 2 on the facing protection layer 13. And then flows to the second drainage grooves 4 on the building roof 1 through the first drainage grooves 3, and after the accumulated water in each first drainage groove 3 is converged into the second drainage groove 4, the accumulated water is drained to a drainage pipe 62 from a floor drain 61 in the water collecting tank 5 at one end of the second drainage groove 4 and finally enters a sewage pipe to be drained away. Through drainage seam 2, the large sundries with the size larger than that of drainage seam 2 on building roof 1 are intercepted outside, so that the large sundries are effectively prevented from blocking the drainage system of building roof 1, and the drainage effect is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a waterproof drainage structures of impervious roofing which characterized in that: the building roof comprises a waterproof layer (11), a heat-insulating layer (12) and a facing protective layer (13), wherein the waterproof layer (11), the heat-insulating layer (12) and the facing protective layer (13) are sequentially arranged from bottom to top on the building roof (1), a plurality of drainage seams (2) are arranged on the facing protective layer (13) at intervals, first drainage grooves (3) which are in one-to-one correspondence with the drainage seams (2) are formed below the drainage seams (2), second drainage grooves (4) are formed in the building roof (1), one ends of the first drainage grooves (3) are connected to the tops of the second drainage grooves (4), water collecting grooves (5) are formed in one ends of the second drainage grooves (4), and drainage mechanisms (6) are arranged at the bottoms of the water collecting grooves (5); the two sides of the drainage seam (2) are provided with water baffles (21), the water baffles (21) are attached to the facing protective layer (13) and the heat preservation layer (12), the top of the water baffles (21) is fixedly provided with a connecting plate (211), and the connecting plate (211) is fixedly connected into the facing protective layer (13).

2. The impervious roofing water drainage structure of claim 1 wherein: the drainage mechanism (6) comprises a floor drain (61), the floor drain (61) is arranged on the bottom wall of the water collecting tank (5), and the bottom of the floor drain (61) is connected with a drainage pipe (62) communicated with a sewage pipe.

3. The impervious roofing water drainage structure of claim 2 wherein: one side of water catch bowl (5) sets up auxiliary pipe (63), the one end of auxiliary pipe (63) is connected on the lateral wall of water catch bowl (5) and is communicate with water catch bowl (5), the other end and drain pipe (62) intercommunication of auxiliary pipe (63), the middle part of auxiliary pipe (63) is higher than the opening of auxiliary pipe (63) on water catch bowl (5) and is less than the upper shed of water catch bowl (5).

4. The impervious roofing water drainage structure of claim 3 wherein: the bottom of the drain pipe (62) is provided with a flaring section (621) with the diameter increased, and the auxiliary pipe (63) is connected to the side wall of the flaring section (621) of the drain pipe (62).

5. The impervious roofing water drainage structure of claim 4 wherein: the connecting plate (211) is obliquely arranged along the direction far away from the water baffle (21), and the horizontal height of the edge of the connecting plate (211) far away from the water baffle (21) is higher.

6. The impervious roofing water drainage structure of claim 4 wherein: the water baffle is characterized in that a plurality of abutting blocks (212) are fixedly arranged on the surface, close to the drainage seam (2), of the water baffle (21), and the abutting blocks (212) are arranged at intervals along the length direction of the drainage seam (2).

7. The impervious roofing water drainage structure of claim 4 wherein: the fixed water deflector (31) that is provided with first drainage tank (3) laminating on the diapire of first drainage tank (3), the fixed elastic plate (32) that is provided with in both sides of water deflector (31), the bottom downwardly extending of breakwater (21) goes into between breakwater (21) of water deflector (31) both sides, one side fixed sealing strip (33) that are used for with breakwater (21) sealing contact that are provided with of the top edge of elastic plate (32) is close to breakwater (21).

8. The impervious roofing water drainage structure of any one of claims 1-7 wherein: the diapire of second water drainage tank (4) sets up along the length direction slope of second water drainage tank (4), the one end that the diapire of second water drainage tank (4) is close to water catch bowl (5) is lower end.