CN214402477U

CN214402477U - Node structure of building roof rainwater overflow mouth

Info

Publication number: CN214402477U
Application number: CN202120241642.6U
Authority: CN
Inventors: 杨彦博; 解琦; 毛建业; 马兆骏; 王美辰
Original assignee: TAIYUAN ARCHITECTURAL DESIGN AND RESEARCH INSTITUTE
Current assignee: TAIYUAN ARCHITECTURAL DESIGN AND RESEARCH INSTITUTE
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-10-15
Anticipated expiration: 2031-01-28

Abstract

The utility model belongs to the technical field of building roofing rainwater overflow equipment, concrete technical scheme is: the utility model provides a node structure of building roofing rainwater overflow mouth, includes the roof main part, cornice fixes in one side of roof main part, and the curtain vertical fixation is in the roof main part, and cornice opens has a plurality of supplementary overflow holes, reserves a plurality of main overflow holes between curtain and the roof main part, installs the drain pipe in the main overflow hole, and it has sealed glue film to fill between drain pipe and the curtain, and it has sealed cream layer to fill between drain pipe and the roof main part, and the polyurethane waterproof layer has been arranged to the water inlet medial surface of drain pipe, the utility model discloses according to the rainwater fill data, utilize the bottom elevation control of overflow mouth to fight the preceding depth of water, avoid the rainwater riser to appear pressure flow, overflow rainwater forms the high altitude and spills the state, reduces the regional influence to the periphery, the utility model discloses an overflow mouth can effectively in time discharge roof ponding, simple structure, the leakproofness is good, extension roof life.

Description

Node structure of building roof rainwater overflow mouth

Technical Field

The utility model belongs to the technical field of building roofing rainwater overflow equipment, concretely relates to node structure of building roofing rainwater overflow mouth.

Background

At present, rainwater is one of water sources in the nature, particularly in spring and summer, a large amount of rainwater is easy to cause roof water collection, a roof overflow port is an important component of a roof rainwater drainage system, and the roof overflow port is used for timely removing rainwater and snow water falling on the roof of a building; however, since the roof overflow port affects the appearance of the building, some construction units or construction professionals do not want to set the overflow port, and the design is very unfavorable for the drainage of roof rainwater, which easily causes roof water leakage and accelerated aging of the waterproof layer.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem that prior art exists, the utility model provides a node structure of building roof rainwater overflow mouth can shorten the distance that ponding overflow discharged, in time discharges the excess rainwater.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a node structure of building roofing rainwater overflow mouth, includes roof main part, cornice and curtain, and the cornice is fixed in one side of roof main part, and the curtain vertical fixation is in the roof main part.

Cornice includes the top surface, one side of top surface is fixed with the roof main part, the opposite side of top surface in proper order with erect the side, first horizontal bottom surface, first vertical bottom surface, the horizontal bottom surface of second, first slant bottom surface, the horizontal bottom surface of third, the vertical bottom surface of second, one side of the horizontal bottom surface of fourth links to each other, the opposite side of the horizontal bottom surface of fourth links to each other with the roof main part, cornice can increase the aesthetic property of building, pile up in order to prevent the rainwater on cornice, it has a plurality of first supplementary overflow holes to open on the top surface, it has the supplementary overflow hole of a plurality of seconds to open on the first slant bottom surface, the rainwater is through a plurality of first supplementary overflow holes, the supplementary overflow hole of a plurality of seconds is in time discharged.

A plurality of main overflow holes are reserved between the curtain wall and the roof main body, a drain pipe is installed in each main overflow hole, the drain pipe is in clearance fit with the main overflow holes, roof accumulated water is drained through the main overflow holes and the drain pipe in time, a sealing adhesive layer is filled between the drain pipe and the curtain wall, the mounting stability of the drain pipe can be guaranteed by the sealing adhesive layer, and the sealing performance between the drain pipe and the curtain wall can be increased. The sealing paste layer is filled between the drain pipe and the roof main body, and the sealing paste layer can increase the installation stability between the drain pipe and the roof main body and can increase the sealing performance between the drain pipe and the roof main body.

The drain pipe comprises leading water pipe and honeycomb duct, and the water inlet of leading water pipe is outer expanding type structure, and roof ponding changes the leading water pipe that gets into through outer expanding type structure, and the outlet and the honeycomb duct of leading water pipe are connected, and the vertical configuration of honeycomb duct, ponding loop through leading water pipe, honeycomb duct and discharge.

The water inlet medial surface of leading water pipe has arranged the polyurethane waterproof layer, and the polyurethane waterproof layer upwards extends and surpasss the upper end of water inlet, and the polyurethane waterproof layer can enough guarantee the planarization of overall structure and pleasing to the eye degree, can increase again leading water pipe with the leakproofness of curtain, avoid ponding infiltration to the clearance between curtain and the leading water pipe in.

The total drainage of the roof overflow ports is calculated according to the rainfall of the overflow rainwater reappearance period and the rainfall of the rainwater design reappearance period, the drainage of each overflow port can be calculated after the section size of each overflow port is determined, and then the number of the overflow ports can be calculated. The cross section size of the overflow port is related to the aesthetic problem of the outer vertical surface of the building, the cross section of the water inlet is designed to be rectangular, and the size of the water inlet of the water conduit is as follows: the width is 100mm, and the height is 100mm, and under the condition of the same displacement, the drainage rate of rectangle overflow mouth is faster than square overflow mouth, also is difficult for causing rainwater thickness to exceed the allowable structural load.

Because the honeycomb duct is fixed on the wall body, the maintenance is difficult, in order to prevent larger sundries from entering the drainage pipe, the grate is movably arranged at the port of the water inlet of the water conduit, and a good blocking effect is achieved.

The roof waterproof layer is arranged at the top of the roof main body, a buffer port is reserved between the water inlet and the roof waterproof layer, a slope diversion layer is arranged in the buffer port, the angle of the slope diversion layer is controlled between 15 degrees and 60 degrees, and roof water collection can rapidly enter the water diversion pipe through the slope diversion layer.

Wherein, in order to improve the sealed effect between slope water conservancy diversion layer and the roof main part, scribble the sealant waterproof layer between slope water conservancy diversion layer and the roof main part, the one end of slope water conservancy diversion layer and the top of roof waterproof layer are arranged such as height, and the other end of slope water conservancy diversion layer extends to the bottom of grate.

The curtain wall is provided with a clamping groove, the upper end edge of the water conduit is clamped in the clamping groove, a sealant coating is clamped between the edge of the water conduit and the clamping groove, and the sealant layer can further enhance the sealing performance between the edge and the clamping groove.

The top of honeycomb duct is equipped with the bayonet socket, and the buckle can be the high-speed joint interface, and the leading water pipe cartridge is in the bayonet socket of honeycomb duct, easy dismounting, convenient maintenance and maintenance.

The bottom surface of the water conduit is a plane, accumulated water is conveniently discharged through the water conduit, and the top surface of the water conduit is an arc-shaped surface, so that the water conduit is high in structural strength and good in stability.

Compared with the prior art, the utility model, specifically beneficial effect is embodied in: the utility model discloses according to the rainwater fill data, utilize the bottom elevation control of overflow mouth to fight the front water depth, avoid the rainwater riser to appear the pressure flow, the overflow rainwater forms the high altitude and throws the state, reduces the influence to peripheral region. The utility model discloses set up the overflow mouth in the different orientation of roofing, can shorten ponding overflow discharge distance on the one hand, in time discharge excess rainwater, on the other hand can ensure when windward side overflow mouth drainage is not smooth, and other overflow mouths can effectively use, in time discharge roof ponding, simple structure, and the leakproofness is good, extension roof life.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

In the figure, 1 is a roof main body, 2 is a cornice, 3 is a curtain wall, 301 is a top surface, 302 is a vertical side surface, 303 is a first transverse bottom surface, 304 is a first vertical bottom surface, 305 is a second transverse bottom surface, 306 is a first inclined bottom surface, 307 is a third transverse bottom surface, 308 is a second vertical bottom surface, 309 is a fourth transverse bottom surface, 310 is a first auxiliary overflow hole, 311 is a second auxiliary overflow hole, 4 is a main overflow hole, 5 is a drain pipe, 51 is a water guide pipe, 52 is a flow guide pipe, 53 is an edge, 54 is a buckle, 6 is a sealing adhesive layer, 7 is a sealing paste layer, 8 is a polyurethane waterproof layer, 9 is a roof grate waterproof layer, 10 is a roof grate waterproof layer, 11 is a buffer port, 12 is a slope flow guide layer, 13 is a sealing paste waterproof layer, and 14 is a sealing adhesive coating.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-2, a node structure of a rainwater overflow port of a building roof comprises a roof main body 1, a cornice 2 and a curtain wall 3, wherein the cornice 2 is fixed on one side of the roof main body 1, and the curtain wall 3 is vertically fixed on the roof main body 1.

The cornice 2 comprises a top surface 301, one side of the top surface 301 is fixed with the roof main body 1, the other side of the top surface 301 is sequentially connected with one side of a vertical side surface 302, a first transverse bottom surface 303, a first vertical bottom surface 304, a second transverse bottom surface 305, a first oblique bottom surface 306, a third transverse bottom surface 307, a second vertical bottom surface 308 and one side of a fourth transverse bottom surface 309, the other side of the fourth transverse bottom surface 309 is connected with the roof main body 1, the cornice 2 can increase the attractiveness of a building, in order to prevent rainwater on the cornice 2 from accumulating, a plurality of first auxiliary overflow holes 310 are formed in the top surface 301, a plurality of second auxiliary overflow holes 311 are formed in the first oblique bottom surface 306, and rainwater is timely discharged through the plurality of first auxiliary overflow holes 310 and the plurality of second auxiliary overflow holes 311.

A plurality of main overflow holes 4 are reserved between the curtain wall 3 and the roof main body 1, a drain pipe 5 is installed in each main overflow hole 4, the drain pipe 5 is in clearance fit with the main overflow holes 4, roof accumulated water sequentially passes through the main overflow holes 4 and is timely discharged through the drain pipe 5, a sealing adhesive layer 6 is filled between the drain pipe 5 and the curtain wall 3, the mounting stability of the drain pipe 5 can be guaranteed by the sealing adhesive layer 6, and the sealing performance between the drain pipe 5 and the curtain wall 3 can be improved. The sealing paste layer 7 is filled between the drain pipe 5 and the roof main body 1, and the sealing paste layer 7 can increase the installation stability between the drain pipe 5 and the roof main body 1 and can also increase the sealing performance between the drain pipe 5 and the roof main body 1.

The drainage pipe 5 consists of a water conduit 51 and a diversion pipe 52, the water inlet of the water conduit 51 is of an outward-expanding structure, the roof accumulated water is easier to enter the water conduit 51 through the outward-expanding structure, the water outlet of the water conduit 51 is connected with the diversion pipe 52, the diversion pipe 52 is vertically configured, and the accumulated water is discharged through the water conduit 51 and the diversion pipe 52 in sequence.

Polyurethane waterproof layer 8 has been arranged to leading water pipe 51's water inlet medial surface, and polyurethane waterproof layer 8 upwards extends and surpasss the upper end of water inlet, and polyurethane waterproof layer 8 can enough guarantee the planarization and the pleasing to the eye degree of whole structure, can increase again leading water pipe 51 with curtain 3's leakproofness, avoid ponding infiltration to in the clearance between curtain 3 and the leading water pipe 51.

The total drainage of the roof overflow ports is calculated according to the rainfall of the overflow rainwater reappearance period and the rainfall of the rainwater design reappearance period, the drainage of each overflow port can be calculated after the section size of each overflow port is determined, and then the number of the overflow ports can be calculated. The cross-sectional dimension of the overflow port is related to the aesthetic problem of the outer facade of the building, the cross section of the water inlet is designed to be rectangular, and the water inlet dimension of the water conduit 51 is as follows: the width is 100mm, and the height is 100mm, and under the condition of the same displacement, the drainage rate of rectangle overflow mouth is faster than square overflow mouth, also is difficult for causing rainwater thickness to exceed the allowable structural load.

The draft tube 52 is fixed on the wall, so that the maintenance is difficult, and in order to prevent larger impurities from entering the drain pipe 5, the grate 9 is movably arranged at the water inlet port of the draft tube 51, so that a good blocking effect is achieved.

The roof waterproof layer 10 is arranged at the top of the roof main body 1, the buffer port 11 is reserved between the water inlet and the roof waterproof layer 10, the slope diversion layer 12 is arranged in the buffer port 11, the angle of the slope diversion layer 12 is controlled between 15 degrees and 60 degrees, and roof water collection can rapidly enter the water guide pipe 51 through the slope diversion layer 12.

In order to improve the sealing effect between the slope diversion layer 12 and the roof main body 1, a sealant waterproof layer 13 is coated between the slope diversion layer 12 and the roof main body 1, one end of the slope diversion layer 12 is arranged at the same height as the top of the roof waterproof layer 10, and the other end of the slope diversion layer 12 extends to the bottom of the grate 9.

A clamping groove is formed in the curtain wall 3, the edge 53 of the upper end of the water conduit 51 is clamped in the clamping groove, the sealant coating 14 is clamped between the edge 53 of the water conduit 51 and the clamping groove, and the sealant coating 14 can further enhance the sealing performance between the edge 53 and the clamping groove.

The top of honeycomb duct 52 is equipped with the bayonet socket, and buckle 54 can be the high-speed joint interface, and leading water pipe 51 cartridge is in the bayonet socket of honeycomb duct 52, easy dismounting, convenient maintenance and maintenance.

The bottom surface of the water conduit 51 is a plane, accumulated water is convenient to discharge through the water conduit 51, and the top surface 301 of the water conduit 51 is an arc-shaped surface, so that the structural strength is high and the stability is good.

In the practical process, many super-high floors have own advantages, and the wind speed of the roof is high. When rainwater is discharged, the strong wind can blow away rainwater columns flowing out of the overflow port and uniformly scatter the rainwater columns in the air, so that the load of the rainwater stand pipe can be reduced, the flow of the rainwater stand pipe can be controlled, and the possibility of full flow of partial areas of the rainwater stand pipe is reduced.

The utility model discloses according to the rainwater fill data, utilize the bottom elevation control of overflow mouth to fight the front water depth, avoid the rainwater riser to appear the pressure flow, the overflow rainwater forms the high altitude and throws the state, reduces the influence to peripheral region. The utility model discloses set up the overflow mouth in the different orientation of roofing, can shorten ponding overflow discharge distance on the one hand, in time discharge excess rainwater, on the other hand can ensure when windward side overflow mouth drainage is not smooth, and other overflow mouths can effectively use, in time discharge roof ponding, simple structure, and the leakproofness is good, extension roof life.

The foregoing is considered as illustrative and not restrictive of the preferred embodiments of the invention, and any modifications, equivalents and improvements made within the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims

1. A node structure of a rainwater overflow port of a building roof is characterized by comprising a roof main body (1), a cornice (2) and a curtain wall (3), wherein the cornice (2) is fixed on one side of the roof main body (1), and the curtain wall (3) is vertically fixed on the roof main body (1);

the cornice (2) comprises a top surface (301), one side of the top surface (301) is fixed with the roof main body (1), the other side of the top surface (301) is sequentially connected with one sides of a vertical side surface (302), a first transverse bottom surface (303), a first vertical bottom surface (304), a second transverse bottom surface (305), a first inclined bottom surface (306), a third transverse bottom surface (307), a second vertical bottom surface (308) and a fourth transverse bottom surface (309), the other side of the fourth transverse bottom surface (309) is connected with the roof main body (1), a plurality of first auxiliary overflow holes (310) are formed in the top surface (301), and a plurality of second auxiliary overflow holes (311) are formed in the first inclined bottom surface (306);

a plurality of main overflow holes (4) are reserved between the curtain wall (3) and the roof main body (1), a drain pipe (5) is installed in each main overflow hole (4), a sealing adhesive layer (6) is filled between each drain pipe (5) and the curtain wall (3), and a sealing paste layer (7) is filled between each drain pipe (5) and the roof main body (1);

the drainage pipe (5) is composed of a water conduit (51) and a flow guide pipe (52), a water inlet of the water conduit (51) is of an outward-expanding structure, a water outlet of the water conduit (51) is connected with the flow guide pipe (52), a polyurethane waterproof layer (8) is arranged on the inner side surface of the water inlet of the water conduit (51), the polyurethane waterproof layer (8) extends upwards and exceeds the upper end of the water inlet, the cross section of the water inlet is rectangular, a grate (9) is arranged at the port of the water inlet, and the water inlet of the water conduit (51) is 100mm in width and 200mm in height;

the roof waterproof layer (10) is arranged at the top of the roof main body (1), a buffer opening (11) is reserved between the water inlet and the roof waterproof layer (10), a slope flow guide layer (12) is arranged in the buffer opening (11), a sealant waterproof layer (13) is coated between the slope flow guide layer (12) and the roof main body (1), one end of the slope flow guide layer (12) and the top of the roof waterproof layer (10) are arranged at the same height, and the other end of the slope flow guide layer (12) extends to the bottom of the grate (9).

2. The node construction of a building roof rainwater overflow according to claim 1 wherein the drain pipe (5) is clearance fitted with the main overflow aperture (4).

3. The node structure of the rainwater overflow port of the building roof as claimed in claim 2, wherein the curtain wall (3) is provided with a clamping groove, the upper end edge (53) of the water conduit (51) is clamped in the clamping groove, and a sealant coating (14) is clamped between the edge (53) of the water conduit (51) and the clamping groove.

4. The node structure of a roof rainwater overflow port of a building according to claim 3, characterized in that the top of the draft tube (52) is provided with a bayonet, and the water conduit (51) is inserted into the bayonet of the draft tube (52).

5. The node construction of a roof rainwater overflow of a building according to claim 4, characterized in that the bottom surface of the water conduit (51) is a plane and the top surface (301) of the water conduit (51) is an arc.