CN111910846A - Roof cornice structure, roof system and construction method - Google Patents
Roof cornice structure, roof system and construction method Download PDFInfo
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- CN111910846A CN111910846A CN202010887944.0A CN202010887944A CN111910846A CN 111910846 A CN111910846 A CN 111910846A CN 202010887944 A CN202010887944 A CN 202010887944A CN 111910846 A CN111910846 A CN 111910846A
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- 238000004078 waterproofing Methods 0.000 claims 1
- 238000010079 rubber tapping Methods 0.000 description 8
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/064—Gutters
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/064—Gutters
- E04D13/072—Hanging means
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/15—Trimming strips; Edge strips; Fascias; Expansion joints for roofs
- E04D13/158—Trimming strips; Edge strips; Fascias; Expansion joints for roofs covering the overhang at the eave side, e.g. soffits, or the verge of saddle roofs
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The embodiment of the invention provides a roof cornice structure, a roof system and a construction method, wherein the roof cornice structure comprises the following components: roof purlines, cornice supporting pieces, roof panels and gutter assemblies; the roof purline comprises a first connecting part and a first supporting part; the cornice support comprises a second connecting part and a second supporting part; the gutter assembly comprises a third connecting part and a third supporting part; the first connecting part of the roof purline is fixed in position, and the first supporting part is connected with the second connecting part of the cornice supporting piece; the second supporting part of the cornice supporting piece, the third supporting part of the gutter assembly and the roof panel are arranged in a stacked mode, a plurality of press riveting bolts arranged at intervals along the length direction are preset on the second supporting part towards the third supporting part, pre-punched holes matched with the press riveting bolts are arranged on the third supporting part and the roof panel, each press riveting bolt sequentially penetrates through the third supporting part and the roof panel and is respectively connected with a nut, and the second supporting part, the third supporting part and the roof panel are fixedly connected; the third connecting part of the gutter assembly is fixed in position.
Description
Technical Field
The embodiment of the invention relates to the technical field of buildings, in particular to a roof cornice structure, a roof system and a construction method.
Background
With the continuous development of the building industry, the vertical lock seam roof system is widely applied to a large-span roof system.
However, the existing upright lock seam roofing system is often poor in wind resistance, and the roof plate is often damaged by strong wind. For example, at the roof eave provided with a parapet, under the action of a large wind load, the joint of the roof panel and the gutter is easy to break, so that a gap is generated, and then, a chain tripping effect is generated to cause the overall wind uncovering damage of the roof system. If the accumulated snow melts or rainstorm cannot drain water timely, the gutter in the eave is overflowed, rainwater flows backward from the gap to cause roof leakage, and the using function of the building is affected.
Disclosure of Invention
Embodiments of the present invention have been made in view of the above problems, so as to provide a roof cornice structure, a roof system, and a construction method that solve the above problems.
The embodiment of the invention provides a roof cornice structure, which comprises: roof purlines, cornice supporting pieces, roof panels and gutter assemblies;
the roof purline comprises a first connecting part and a first supporting part;
the cornice support comprises a second connecting part and a second supporting part;
the gutter assembly comprises a third connecting part and a third supporting part;
the first connecting part of the roof purline is fixed in position, and the first supporting part is connected with the second connecting part of the cornice supporting piece;
the second support portion of the cornice support, the third support portion of the gutter assembly, and the roof panel are stacked; a plurality of pressure riveting bolts which are arranged at intervals along the length direction and integrated with the second supporting part are preset on the second supporting part facing the third supporting part; pre-punched holes matched with the pressure riveting bolts are arranged on the third supporting part and the roof panel, and the pressure riveting bolts sequentially penetrate through the third supporting part and the roof panel and are respectively connected with nuts so as to fixedly connect the second supporting part, the third supporting part and the roof panel;
the third connecting part of the gutter assembly is fixed in position.
Optionally, the second supporting portion of the cornice supporting member is provided with a reinforcing flange, and the reinforcing flange is bent in a direction away from the roof panel;
eaves mouth support piece the second connecting portion set up the structure of buckling, the structure of buckling is to keeping away from roof boarding direction is buckled.
Optionally, the gutter assembly comprises a gutter body member and a plurality of gutter brackets;
the gutter body piece comprises a first U-shaped main body, and a first supporting folded edge is arranged on one side edge of the first U-shaped main body;
the gutter bracket comprises a second U-shaped main body matched with the first U-shaped main body, and a second supporting folding edge matched with the first supporting folding edge is arranged on one side edge of the second U-shaped main body; the gutter brackets are arranged at intervals along the length direction of the gutter body piece, and the second U-shaped main body is sleeved outside the first U-shaped main body;
the first support flange and the second support flange serve as the third support portion, and the other side edge of the first U-shaped main body and the other side edge of the second U-shaped main body serve as the third connecting portion.
Optionally, the roof panel further comprises a waterproof assembly, and the waterproof assembly is located between the roof panel and the third support portion and connected to the third support portion.
Optionally, the waterproof assembly comprises a waterproof adhesive tape and a plurality of waterproof plugs;
the waterproof adhesive tape extends along the length direction of the third supporting part and is sleeved on the press riveting bolts;
the waterproof plugs are arranged at intervals along the length direction of the third supporting part and connected with the third supporting part, the waterproof plugs are respectively located at the connecting positions of the two roof panels, and the shape of the waterproof plugs is matched with that of the connecting positions of the two roof panels.
Optionally, a waterproof layer is arranged on one side, facing the roof panel, of the waterproof plug.
Optionally, the roof panel further comprises a reinforcing pressing strip, and the reinforcing pressing strip is sleeved on the pressing riveting bolt and connected to the roof panel through the nut.
Optionally, a plurality of grooves which are recessed in the direction away from the roof panel are arranged on the reinforcing pressing bar at intervals along the length direction, and the grooves and the roof panel enclose a water drainage hole.
Optionally, the opposite ends of the reinforcing batten are provided with raised edges respectively, and the two raised edges are abutted against the male rib and the female rib of the roof panel respectively.
Correspondingly, the embodiment of the invention also provides a roofing system, which comprises: the structure comprises a wall panel, a roof inner roof and a roof cornice structure; wherein,
roofing eaves mouth structure includes: roof purlines, cornice supporting pieces, roof panels and gutter assemblies;
the roof purline comprises a first connecting part and a first supporting part;
the cornice support comprises a second connecting part and a second supporting part;
the gutter assembly comprises a third connecting part and a third supporting part;
the first connecting part of the roof purline is fixedly connected to the roof inner roof, and the first supporting part is connected with the second connecting part of the cornice supporting piece;
the second support portion of the cornice support, the third support portion of the gutter assembly, and the roof panel are stacked; a plurality of pressure riveting bolts which are arranged at intervals along the length direction and integrated with the second supporting part are preset on the second supporting part facing the third supporting part; each pressure riveting bolt sequentially penetrates through the roof panel of the third supporting part and is respectively connected with a nut so as to fixedly connect the second supporting part, the third supporting part and the roof panel;
the third connecting part of the gutter assembly is fixedly connected to the wall panel.
Correspondingly, the embodiment of the invention also provides a construction method of the roof cornice structure, which comprises the following steps:
fixedly connecting a first connecting part of a roof purline to a roof inside, and connecting a first supporting part of the roof purline to a second connecting part of a cornice supporting piece;
stacking the second supporting part of the cornice supporting piece, the third supporting part of the gutter assembly and the roof panel; a plurality of pressure riveting bolts which are arranged at intervals along the length direction and integrated with the second supporting part are preset on the second supporting part facing the third supporting part; each pressure riveting bolt sequentially penetrates through the third supporting part and the roof panel and is respectively connected with a nut so as to fixedly connect the second supporting part, the third supporting part and the roof panel;
and fixedly connecting the third connecting part of the gutter assembly to the wall panel.
Optionally, be connected the first supporting part of roofing purlin with cornice support piece's second connecting portion, before, still include:
arranging a reinforcing folded edge on the second supporting part of the cornice supporting piece, wherein the reinforcing folded edge is bent towards the direction far away from the roof panel;
the second connecting part of the cornice supporting piece is provided with a bending structure, and the bending structure is bent towards the direction far away from the roof panel.
Optionally, will eaves mouth support piece's second supporting part, gutter assembly's third supporting part and roof boarding range upon range of setting, still include:
and a waterproof component is arranged between the roof panel and the third supporting part.
In addition, optionally, each of the pressure riveting bolts is connected to a nut, and before, the method further includes:
and a reinforcing pressing strip is sleeved on the pressure riveting bolt, and the reinforcing pressing strip is connected to the roof panel through the nut.
According to the technical scheme provided by the embodiment of the invention, the cornice supporting piece is arranged, and the roof panel, the gutter assembly and the roof purline are connected through the cornice supporting piece. The positioning of gutter subassembly and roof boarding mounted position is realized through the pressure riveting bolt on the eaves mouth support piece for the mounted position of gutter subassembly and roof boarding is accurate, and each part ring of roofing eaves mouth structure is buckled mutually, compresses tightly between each structure fixedly, thereby avoids the connection structure between gutter subassembly and the roof boarding to loosen, and the wind that from this causes takes off the destruction, thereby has improved whole anti-wind and has taken off the performance by a wide margin. Meanwhile, the third connecting part and the third supporting part of the gutter assembly are fixed, so that the wind uncovering resistance is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a roof cornice structure in an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a roof cornice construction in an embodiment of the present invention;
FIG. 3 is an enlarged schematic view at A in FIG. 2;
FIG. 4 is a schematic structural view of a cornice support in an embodiment of the present invention;
FIG. 5 is an exploded view of a roof cornice construction in an embodiment of the present invention;
FIG. 6 is an enlarged schematic view at B of FIG. 2;
fig. 7 is a schematic structural view of a reinforcing bead in an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention without any creative efforts shall fall within the protection scope of the embodiments of the present invention.
The inventor in practice has found that in the prior art, when the upright lock seam roofing system is used, the roof panel is often damaged by strong wind. For example, at the roof eave provided with a parapet, under the action of a large wind load, the joint of the roof panel and the gutter is easy to break, so that a gap is generated, and then, a chain tripping effect is generated to cause the overall wind uncovering damage of the roof system. If the accumulated snow melts or rainstorm cannot drain water timely, the gutter in the eave is overflowed, rainwater flows backward from the gap to cause roof leakage, and the using function of the building is affected.
The reason for this is that the current national standard and standard atlas is imperfect in the aspect of detailed structure, so that the vertical lock seam roof system leaks and is damaged by the whole wind in the using process, and the problem becomes an industry problem. According to technical specification of steel structure of light-duty house with door-type rigid frame GB51022-2015 metal roof cornice is located in the side area of the roof system, the wind suction force borne by the cornice is 1.67 times of that in the middle area of the roof, and the wind pressure of the corner of the roof is 2.5 times larger than that in the middle area, and the cornice belongs to a high wind pressure area. However, in the existing national standard "technical specification for engineering application of profiled metal sheets" GB50896, national standard drawing set "structural construction of profiled metal sheets" 17J925-1, the connection mode of roof panel and purlin at cornice and middle area of roof panel are connected by the same sliding support, without any reinforcement, although roof panel and gutter are reinforced and fixed by self-tapping screws (or bolts), gutter is only laid on the gutter bracket below, and this connection mode is ineffective against wind uncovering. Therefore, the roof can be damaged from the corner and the cornice under the action of large wind load, and then the interlocking tripping effect is generated to cause the overall wind uncovering damage of the roof system. The phenomenon that the metal roof is damaged by wind often happens in typhoon seasons in the southeast coastal region of China.
In order to solve the problems, the embodiment of the invention provides a roof cornice structure, a roof system and a construction method, which can effectively prevent the cornice from being broken by wind and greatly improve the wind uncovering resistance of the cornice structure.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings and specific embodiments. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first" and "second" in the description of the present invention are used merely for convenience in describing different components or names, and are not to be construed as indicating or implying a sequential relationship, relative importance, or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Fig. 1 is a schematic structural view of a roof cornice structure in an embodiment of the present invention, fig. 2 is a schematic sectional structural view of the roof cornice structure in the embodiment of the present invention, and fig. 3 is an enlarged schematic view of a point a in fig. 2, as shown in fig. 1 to 3.
The embodiment of the invention provides a roof cornice structure, which comprises: roofing purlins 10, cornice supports 20, roof panels 30, and gutter assemblies 40.
Referring to fig. 2, a roof purlin 10 includes a first connecting portion 11 and a first supporting portion 12. Referring to fig. 3, the cornice support 20 includes a second connecting portion 21 and a second supporting portion 22. The gutter assembly 40 includes a third connecting portion 41 and a third supporting portion 42. The first connecting portion 11 of roofing purline 10 is fixed in position, and first supporting portion 12 is connected with the second connecting portion 21 of eaves mouth support member 20.
Continuing to refer to fig. 3, the second supporting portion 22 of the cornice supporting member 20, the third supporting portion 42 of the gutter assembly 40, and the roof panel 30 are stacked, wherein a plurality of press-riveting bolts 221 arranged at intervals along the length direction and integrated with the second supporting portion 22 are preset on the second supporting portion 22 facing the third supporting portion 42, pre-punched holes used in cooperation with the press-riveting bolts 221 are arranged on the third supporting portion 42 and the roof panel 30, and each press-riveting bolt 221 sequentially penetrates through the third supporting portion 42 and the roof panel 30 and is respectively connected with a nut 222 so as to fixedly connect the second supporting portion 22, the third supporting portion 42, and the roof panel 30.
Referring to fig. 2, the third connection portion 41 of the gutter assembly 40 is fixed in position.
According to the technical scheme provided by the embodiment of the invention, the cornice supporting piece 20 is arranged, and the roof panels 30, the gutter assemblies 40 and the roof purlins 10 are connected through the cornice supporting piece 20. Through the pressure on eaves mouth support piece 20 rivet bolt 221 cooperation gutter subassembly 40 and the roof boarding 30 on punching a hole in advance, realize the location of gutter subassembly 40 and roof boarding 30 mounted position, make gutter subassembly 40 and roof boarding 30's mounted position accurate, each part ring of roofing eaves mouth structure is buckled mutually, compress tightly fixedly between each structure, thereby avoid the connection structure between gutter subassembly 40 and the roof boarding 30 to loosen, and the wind that leads to the fact from this takes off destruction, thereby whole anti-wind performance of taking off has been improved by a wide margin. Meanwhile, the third connecting portion 41 and the third supporting portion 42 of the gutter assembly 40 are fixed, so as to further improve the wind uncovering resistance.
It should be noted that the roof cornice structure provided by the embodiment of the present invention can be applied to a roof system, and referring to fig. 2, an implementation of the roof system includes a wall panel 100, an inner roof panel 200, and a roof cornice structure. Wherein, roofing eaves mouth structure includes a plurality of roof boarding 30, connects through upright lockstitch structure between two adjacent roof boarding 30. The first connecting portion 11 of the roof purlin 10 is fixedly connected to the roof lining 200, for example, by means of self-tapping screws. The third connecting portion 41 of the gutter assembly 40 is fixedly attached to the wall panel 100, for example, by a flat head self-tapping screw or a wall stud. Alternatively, the third connecting portion 41 of the gutter assembly 40 and the wall panel 100 are both fixedly connected to the purlin 101, and the third connecting portion 41 can be connected between the purlin 101 and the wall panel 100. After the installation is completed, a plug can be arranged in the nail hole on the wall panel 100, and the nail head is prevented from being exposed and corroded and is attractive when waterproof treatment is performed through the plug.
Referring to fig. 3 and 4, in one implementation of the present embodiment of the invention, cornice support 20 is bent using S350 hot dip galvanized Z275 high strength structural steel 1.6mm thick. To further increase the bending stiffness of the cornice support 20, the second support portion 22 of the cornice support 20 is provided with a reinforcing flange 223, which reinforcing flange 223 is bent away from the roof panel 30. For example, the reinforcing flap 223 forms an angle of approximately 90 ° with the second support 22, the reinforcing flap 223 forming a stiffening rib for the second support 22, and the height of the reinforcing flap 223 relative to the second support 22 may be 25mm, i.e. the height of the reinforcing rib is 25mm, to increase the bending stiffness of the cornice support 20. Further, in order to increase the bending stiffness of the second connection, in an embodiment of the invention, the second connection portion 21 of the cornice support 20 is provided with a bending structure 211, the bending structure 211 being bent away from the roof panel 30.
The second support 22 is provided with a plurality of clinch bolts 221 near the reinforcing flange 223, and the clinch bolts 221 may be 304 stainless steel M6 flat head bolts, and are disposed on the second support 22 by clinching. The rivet pressing bolt 221 can be used on a construction site after being produced in a factory in advance, and is convenient to use. In order to match the rivet pressing bolts 221, a plurality of pre-punched holes are arranged at positions on the roof panel 30 corresponding to the plurality of rivet pressing bolts 221, and the spacing between the plurality of rivet pressing bolts 221 is consistent with the spacing between the plurality of pre-punched holes on the roof panel 30. A plurality of connecting holes are arranged on the second connecting part 21 on the cornice support 20 at intervals, and the distance between the connecting holes is 300mm and the diameter phi 6.
When installing the roof panel 30, the first connecting portion 11 of the roof purlin 10 is first fixed, for example, to the roof lining 200.
Then, the second connecting part 21 of the cornice supporting piece 20 is fixed on the first supporting part 12 of the roofing purlin 10 by penetrating the connecting holes with the distance of 300mm of self-tapping nails with the diameter of 5.5, and the second supporting part 22 with the reinforcing flange 223 is cantilevered outwards to be used for supporting the third supporting part 42 of the gutter assembly 40 and the roof panel 30.
The third support 42 of the gutter assembly 40 is then mounted on the second support 22 of the cornice support 20, for example, by pre-punching holes of diameter phi 8 on the third support 42, with the same pitch as the clinch bolts 221 on the second support 22, and the pre-punched holes on the third support 42 are fixed through the stainless steel clinch bolts 221 on the cornice support 20.
Finally, the pre-punched hole of the roof panel 30 is inserted through the clinch bolt 221 exposed from the third support portion 42, and the nut 222 is coupled to the clinch bolt 221, thereby completing the final installation of the roof cornice structure. The nut 222 includes, but is not limited to, an M6 stainless steel flange nut 222 with anti-loosening scores.
The clinch bolts 221 on the cornice support 20 are consistent with the third support portion 42 of the gutter assembly 40 and the pre-punched holes on the roof panels 30, and function as a positioning device, so that a plurality of roof panels 30 installed in the roofing cornice structure are fastened in a ring, for example, the effective width of each roof panel 30 can be controlled at 468 mm.
Referring to fig. 5 in conjunction with fig. 1, in one implementation of the gutter assembly 40 in an embodiment of the present invention, the gutter assembly 40 comprises a gutter body member 401 and a plurality of gutter brackets 402. The gutter body member 401 comprises a first U-shaped main body 4011, and a first support flange 4012 is provided on one side of the first U-shaped main body 4011. The gutter bracket 402 comprises a second U-shaped body 4021 matching the first U-shaped body 4011, and a second support flap 4022 matching the first support flap 4012 is provided on one side of the second U-shaped body 4021. A plurality of gutter brackets 402 are arranged at intervals along the length direction of the gutter body member 401, and the second U-shaped main body 4021 is sleeved outside the first U-shaped main body 4011. The first support flange 4012 and the second support flange 4022 serve as a third support portion 42, and the other side of the first U-shaped main body 4011 and the other side of the second U-shaped main body 4021 serve as a third connection portion 41.
The gutter body member 401 includes, but is not limited to, being bent from stainless steel, and the gutter bracket 402 includes, but is not limited to, being bent from galvanized sheet. It should be noted that, the roof cornice structure is also provided with a heat insulation layer made of heat insulation cotton in a corresponding area, for example, the gutter bracket 402 is paved with heat insulation cotton along the length direction of the gutter body member 401. The insulation is not shown in the figures to make the arrangement of the components more clear.
When the gutter assembly 40 is installed, the first support flap 4012 on the gutter body member 401 will have portions that overlap, and no portions that overlap, the second support flap 4022 on the gutter bracket 402. A portion of the clinch bolts 221 on the cornice support 20 pass through the first and second support flaps 4012, 4022, and a portion of the clinch bolts 221 pass directly through the first support flap 4012, thereby providing connection between the cornice support 20 and the gutter assembly 40. I.e., the third support portion 42 of the gutter assembly 40 is fixed in position.
The other side of the first U-shaped main body 4011 and the other side of the second U-shaped main body 4021 are used as a third connecting portion 41, which can be fixed respectively. For example, referring to fig. 6, the other side of the second U-shaped body 4021 may be attached to the roof purlin 10 by flat head bolts, the other side of the first U-shaped body 4011 may be attached to the wall purlin 101 by self-tapping screws, and then the shingle 100 is attached to the gutter assembly 40. Alternatively, the shingle 100 may be mounted on a purlin 101 of a wall and then the gutter assembly 40 installed. After the installation is completed, a plug can be arranged in the nail hole on the wall panel 100, and the nail head is prevented from being exposed and corroded and is attractive when waterproof treatment is performed through the plug. I.e., the third connecting portion 41 of the gutter assembly 40 is fixed in position. The third connecting portion 41 and the third supporting portion 42 of the gutter assembly 40 are fixed, thereby further improving the wind uncovering resistance.
Referring to fig. 3 in combination with fig. 1 and 5, in order to further improve the waterproof performance of the roof cornice structure, in the embodiment of the present invention, the roof cornice structure further includes a waterproof assembly 50, and the waterproof assembly 50 is located between the roof panel 30 and the third supporting portion 42 and is connected to the third supporting portion 42. The gap between roof panel 30 and third support 42 may be sealed by a water-resistant assembly 50 to prevent rain water from entering the interior of the roofing system. For example, in the event of melting of snow or the occurrence of a heavy rain event that cannot be drained in time, the gutter assembly 40 may overflow in the roof cornice structure, and the waterproof assembly 50 may prevent rainwater from flowing back through the gap between the roof panel 30 and the third support portion 42 and causing roof leakage.
In the embodiment of the present invention, one way to realize the waterproof assembly 50 is that, referring to fig. 1 and 5, the waterproof assembly 50 includes a waterproof tape 51 and a plurality of waterproof plugs 52. Referring to fig. 3 in conjunction with fig. 1 and 5, the waterproof tape 51 extends along the length direction of the third support portion 42 and is sleeved on the plurality of clinch bolts 221. A plurality of waterproof plugs 52 are arranged at intervals along the length direction of the third support portion 42 and connected with the third support portion 42, each waterproof plug 52 is located at the connecting position of two roof panels 30, and the shape of each waterproof plug 52 is matched with the shape of the connecting position of two roof panels 30.
The waterproof tape 51 includes but is not limited to butyl tape, the size of which can be adjusted according to different waterproof requirements, and one of the butyl tape may be 4.8mm thick and 20mm wide, and the length of which matches the length of the third support member. The waterproof plug 52 includes, but is not limited to, a rubber plug.
When the roof panel 30 is installed, the third support portion 42 of the gutter assembly 40 is attached to the second support portion 22 of the cornice support 20, and then the waterproof tape 51 is laid on the third support portion 42, and the center line of the waterproof tape 51 in the longitudinal direction overlaps with the line connecting the plurality of clinch bolts 221. A plurality of water plugs 52 are installed according to the width of roof panel 30, e.g., at 468mm intervals. The connecting positions of the two roof panels 30 form plate ribs, and the shape of the waterproof plugs 52 is matched with the plate ribs between the two roof panels 30. To further improve the waterproof performance, a waterproof layer is provided on the waterproof plug 52 on the side facing the roof panel 30. The water-repellent layer includes, but is not limited to, butyl tape. After the waterproof tape 51 and the waterproof plugs 52 are laid, the roof panels 30 are connected by the clinch bolts 221.
The shape of the waterproof plugs 52 matches the shape of the connection locations of two roof panels 30 to ensure that the ribs of the roof panels 30 are in close contact with the waterproof plugs 52, and the waterproof plugs 52 provide corresponding support for the roof panels 30. The stacked structure that third supporting part 42 and eaves mouth support piece 20 of roof boarding 30, waterproof component 50, gutter subassembly 40 formed compresses tightly fixedly, guarantees absolutely closely knit, effectively solves the aeipathia of roofing eaves mouth structure department seepage.
In embodiments of the present invention, roof panel 30 includes, but is not limited to, an open, thin-walled, cold-formed member having a thickness of 0.6-0.8 mm. The problem that the cross section shape is easy to deform due to low self rigidity is avoided. Referring to fig. 1 and 5, the roof cornice structure further includes a reinforcing bead 60, and the reinforcing bead 60 is sleeved on the rivet pressing bolt 221 and connected to the roof panel 30 through a nut 222. When the roof panel 30 is installed, the roof panel 30 is pressed and riveted on the bolt 221, the reinforcing bead 60 is sleeved on the bolt 221 and pressed on the surface of the roof panel 30, and finally, the reinforcing bead is screwed and fixed by the nut 222. The roof panel 30, the waterproof component 50, the third supporting part 42 of the gutter component 40 and the cornice supporting member 20 can be laminated and fixed through the reinforcing batten 60, and absolute compactness is guaranteed. Meanwhile, the reinforcing bead 60 extends along the width direction of the roof panel 30, and can serve as a reinforcing rib in the width direction of the roof panel 30, so that the wind resistance and the bending rigidity of the roof panel 30 are increased.
The reinforcing bead 60 includes but is not limited to for making through the aluminum alloy material, and the size of reinforcing bead can set up according to different demands, for example, can set up to 3mm thick, 32mm wide, and length can be according to the corresponding setting of width of roof boarding 30. The reinforcing batten 60 is made of aluminum alloy, a compact oxidation protection film can be generated after the reinforcing batten is oxidized in the air, the corrosion resistance is excellent, electrochemical reaction with the roof panel 30 cannot be generated, contact corrosion between the roof panel 30 and the reinforcing batten 60 is avoided, and the durability of a roof system is improved.
Further, in order to avoid water accumulation at the joint of the reinforcing bead 60 and the roof panel 30, referring to fig. 7, a plurality of grooves 61 recessed in the direction away from the roof panel 30 are formed on the reinforcing bead 60 at intervals along the length direction, and the grooves 61 and the roof panel 30 enclose a water drainage hole. The drainage openings are sloped with the slope of the roof panel 30, e.g., toward the gutter assembly 40, so that water on the roof panel 30 flows toward the gutter assembly 40. The groove 61 structure can be used for guiding water and playing a role of a stiffening rib, bending rigidity of the reinforcing pressing bar 60 is increased, the contact surface between the nut 222 and the roof panel 30 is increased after the M6 stainless steel loosening-preventing flange nut 222 is fixed with the roof panel 30, a stress diffusion effect is achieved, the roof panel 30 is prevented from being torn and pulled off at the nut 222 under the action of strong wind, and the industrial problem that the roof panel 30 is broken by wind at the cornice is effectively solved. Further, one roof panel 30 may be provided with one reinforcing bead 60, or may be provided with a plurality of beads, which is not limited herein.
With continued reference to fig. 7, the opposite ends of the reinforcing batten 60 are respectively provided with a raised edge 62, and the two raised edges 62 respectively abut against the male rib and the female rib of the roof panel 30. The raised edges 62 can enhance the bending rigidity of the male and female ribs of the roof panels 30, further avoiding the occurrence of the situation that the joint of two roof panels 30 is damaged by wind. In the mode of being provided with waterproof plug 52, the hem 62 on the reinforcing bead 60 forms the clamping structure with waterproof plug 52 for the male rib and the female rib of roof boarding 30 are connected more firmly, improve the wind resistance.
In the embodiment of the invention, the roof cornice structure can be applied to a roof system, and the problem of wind uncovering damage of the roof system under the action of wind suction is solved, so that the overall wind uncovering resistance is greatly improved. Has higher wind uncovering resistance, thus being applicable to high wind pressure areas or high wind pressure areas with higher buildings, such as the southeast coastal strong typhoon areas.
Correspondingly, referring to fig. 2 in combination with fig. 1 to 7, correspondingly, an embodiment of the present invention further provides a roofing system, including: shingle 100, roofing roof 200 and roofing cornice structure. The roof cornice structure may be implemented by the roof cornice structure described in the above embodiments. The specific scheme is as follows:
the embodiment of the invention also provides a roof system, which comprises: shingle 100, roofing roof 200 and roofing cornice structure. Wherein,
roofing eaves mouth structure includes: roofing purlins 10, cornice supports 20, roof panels 30, and gutter assemblies 40. The roof purline 10 includes a first connecting portion 11 and a first supporting portion 12. The cornice support 20 includes a second connecting portion 21 and a second supporting portion 22. The gutter assembly 40 includes a third connecting portion 41 and a third supporting portion 42.
Wherein, the first connecting portion 11 of roofing purlin 10 fixed connection is on roof inside roof 200, and first supporting portion 12 is connected with the second connecting portion 21 of eaves mouth support piece 20. The second support portion 22 of the cornice support member 20, the third support portion 42 of the gutter assembly 40, and the roof panel 30 are stacked, wherein a plurality of press-riveting bolts 221 arranged at intervals in the length direction are preset on the second support portion 22 facing the third support portion 42, and each press-riveting bolt 221 sequentially penetrates through the third support portion 42 and the roof panel 30 and is connected with a nut 222, so that the second support portion 22, the third support portion 42, and the roof panel 30 are fixedly connected. The third connecting portion 41 of the gutter assembly 40 is fixedly connected to the wall panel 100.
It should be noted that, the contents of the above embodiments can be referred to for the roof cornice structure included in the roofing system, and the details are not repeated here.
Correspondingly, referring to fig. 1 to 4, an embodiment of the present invention further provides a construction method of a roof cornice structure, including:
step S101: fixedly connecting a first connecting part 11 of a roof purline 10 to a roof inner top plate 200, and connecting a first supporting part 12 of the roof purline 10 with a second connecting part 21 of a cornice supporting piece 20;
the first connecting portion 11 of the roof purlin 10 and the roof inner panel 200 can be connected by tapping screws. Further, the first connecting portion 11 may be fixed to another member depending on the installation position.
Step S102: stacking the second support portion 22 of the cornice support 20, the third support portion 42 of the gutter assembly 40, and the roof panel 30; a plurality of pressure riveting bolts 221 which are arranged at intervals along the length direction and integrated with the second support part 22 are preset on the second support part 22 facing the third support part 42; each rivet pressing bolt 221 sequentially penetrates through the third supporting part 42 and the roof panel 30 and is respectively connected with a nut 222 so as to fixedly connect the second supporting part 22, the third supporting part 42 and the roof panel 30;
for realizing the connection better, be equipped with the cooperation on gutter subassembly 40 and the roof boarding 30 and press the hole that punches a hole in advance that rivets bolt 221 used, press riveting bolt 221 cooperation on gutter subassembly 40 and the roof boarding 30 through eaves mouth support piece 20 and punch a hole in advance, realize the location of gutter subassembly 40 and roof boarding 30 mounted position, make gutter subassembly 40 and roof boarding 30's mounted position accurate, each part ring of roofing eaves mouth structure is buckled mutually, compress tightly fixedly between each structure, thereby avoid the connection structure between gutter subassembly 40 and the roof boarding 30 to loosen, and the wind that causes from this uncovers the destruction, thereby whole anti-wind uncovering performance has been improved by a wide margin.
Step S103: the third connecting portion 41 of the gutter assembly 40 is fixedly connected to the wall panel 100.
The third connecting portion 41 of the gutter assembly 40 is fixedly attached to the wall panel 100, for example, by a flat head self-tapping screw or a wall stud. Alternatively, the third connecting portion 41 of the gutter assembly 40 and the wall panel 100 are both fixedly connected to the purlin 101, and the third connecting portion 41 can be connected between the purlin 101 and the wall panel 100. After the installation is completed, a plug can be arranged in the nail hole on the wall panel 100, and the nail head is prevented from being exposed and corroded and is attractive when waterproof treatment is performed through the plug.
To further increase the bending stiffness of the cornice support 20, in step S102, the first supporting portion 12 of the roofing purlin 10 is connected to the second connecting portion 21 of the cornice support 20, and before that, the method further includes:
a reinforcing flange 223 is provided on the second support portion 22 of the cornice support 20, and the reinforcing flange 223 is bent away from the roof panel 30. For example, the reinforcing flap 223 is at an angle of approximately 90 ° to the second support 22, the reinforcing flap 223 forming a stiffening rib for the second support 22 to increase the bending stiffness of the cornice support 20. Further, in order to increase the bending rigidity of the second connection, in an embodiment of the invention, a bending structure 211 is provided at the second connecting portion 21 of the cornice support 20, the bending structure 211 being bent away from the roof panel 30.
The second support 22 is provided with a plurality of clinch bolts 221 near the reinforcing flange 223, and the clinch bolts 221 may be 304 stainless steel M6 flat head bolts, and are disposed on the second support 22 by clinching. The rivet pressing bolt 221 can be used on a construction site after being produced in a factory in advance, and is convenient to use. In order to match the rivet pressing bolts 221, a plurality of pre-punched holes are arranged at positions on the roof panel 30 corresponding to the plurality of rivet pressing bolts 221, and the spacing between the plurality of rivet pressing bolts 221 is consistent with the spacing between the plurality of pre-punched holes on the roof panel 30. A plurality of connecting holes are arranged on the second connecting part 21 on the cornice support 20 at intervals, and the distance between the connecting holes is 300mm and the diameter phi 6.
When installing the roof panel 30, the first connecting portion 11 of the roof purlin 10 is first fixed, for example, to the roof lining 200.
Then, the second connecting part 21 of the cornice supporting piece 20 is fixed on the first supporting part 12 of the roofing purlin 10 by penetrating the connecting holes with the distance of 300mm of self-tapping nails with the diameter of 5.5, and the second supporting part 22 with the reinforcing flange 223 is cantilevered outwards to be used for supporting the third supporting part 42 of the gutter assembly 40 and the roof panel 30.
The third support 42 of the gutter assembly 40 is then mounted on the second support 22 of the cornice support 20, for example, by pre-punching holes of diameter phi 8 on the third support 42, with the same pitch as the clinch bolts 221 on the second support 22, and the pre-punched holes on the third support 42 are fixed through the stainless steel clinch bolts 221 on the cornice support 20.
Finally, the pre-punched hole of the roof panel 30 is inserted through the clinch bolt 221 exposed from the third support portion 42, and the nut 222 is coupled to the clinch bolt 221, thereby completing the final installation of the roof cornice structure. The nut 222 includes, but is not limited to, an M6 stainless steel flange nut 222 with anti-loosening scores.
The clinch bolts 221 on the cornice support 20 are consistent with the third support portion 42 of the gutter assembly 40 and the pre-punched holes on the roof panels 30, and function as a positioning device, so that a plurality of roof panels 30 installed in the roofing cornice structure are fastened in a ring, for example, the effective width of each roof panel 30 can be controlled at 468 mm.
Further, referring to fig. 3 in conjunction with fig. 1 and 5, in S102, the stacking of the second support portion 22 of the cornice support 20, the third support portion 42 of the gutter assembly 40, and the roof panel 30 further includes: a water-resistant assembly 50 is provided between roof panel 30 and third support section 42. The gap between roof panel 30 and third support 42 may be sealed by a water-resistant assembly 50 to prevent rain water from entering the interior of the roofing system. For example, in the event of melting of snow or the occurrence of a heavy rain event that cannot be drained in time, the gutter assembly 40 may overflow in the roof cornice structure, and the waterproof assembly 50 may prevent rainwater from flowing back through the gap between the roof panel 30 and the third support portion 42 and causing roof leakage.
Further, in order to avoid the situation that the section shape is easy to deform due to the small rigidity of the roof panel. In step S102, each clinch bolt 221 is connected to the nut 222, and before this, the method further includes: the reinforcing bead 60 is sleeved on the pressure riveting bolt 221, and the reinforcing bead 60 is connected to the roof panel 30 through the nut 222. When the roof panel 30 is installed, the roof panel 30 is pressed and riveted on the bolt 221, the reinforcing bead 60 is sleeved on the bolt 221 and pressed on the surface of the roof panel 30, and finally, the reinforcing bead is screwed and fixed by the nut 222. The roof panel 30, the waterproof component 50, the third supporting part 42 of the gutter component 40 and the cornice supporting member 20 can be laminated and fixed through the reinforcing batten 60, and absolute compactness is guaranteed. Meanwhile, the reinforcing bead 60 extends along the width direction of the roof panel 30, and can serve as a reinforcing rib in the width direction of the roof panel 30, so that the wind resistance and the bending rigidity of the roof panel 30 are increased.
It should be noted that the roof cornice structure manufactured by the above construction method may refer to the related content of the roof cornice structure in the foregoing embodiments, and details are not repeated here.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the embodiments of the present invention, and not to limit the same; although embodiments of the present invention have been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (14)
1. A roof cornice structure, comprising: roof purlines, cornice supporting pieces, roof panels and gutter assemblies;
the roof purline comprises a first connecting part and a first supporting part;
the cornice support comprises a second connecting part and a second supporting part;
the gutter assembly comprises a third connecting part and a third supporting part;
the first connecting part of the roof purline is fixed in position, and the first supporting part is connected with the second connecting part of the cornice supporting piece;
the second support portion of the cornice support, the third support portion of the gutter assembly, and the roof panel are stacked; a plurality of pressure riveting bolts which are arranged at intervals along the length direction and integrated with the second supporting part are preset on the second supporting part facing the third supporting part; pre-punched holes matched with the pressure riveting bolts are arranged on the third supporting part and the roof panel, and the pressure riveting bolts sequentially penetrate through the third supporting part and the roof panel and are respectively connected with nuts so as to fixedly connect the second supporting part, the third supporting part and the roof panel;
the third connecting part of the gutter assembly is fixed in position.
2. A roof cornice structure according to claim 1, wherein the second support portion of the cornice support is provided with a reinforcing flange which is bent away from the roof panel;
eaves mouth support piece the second connecting portion set up the structure of buckling, the structure of buckling is to keeping away from roof boarding direction is buckled.
3. A roof cornice structure according to claim 1, wherein the gutter assembly comprises a gutter body member and a plurality of gutter brackets;
the gutter body piece comprises a first U-shaped main body, and a first supporting folded edge is arranged on one side edge of the first U-shaped main body;
the gutter bracket comprises a second U-shaped main body matched with the first U-shaped main body, and a second supporting folding edge matched with the first supporting folding edge is arranged on one side edge of the second U-shaped main body; the gutter brackets are arranged at intervals along the length direction of the gutter body piece, and the second U-shaped main body is sleeved outside the first U-shaped main body;
the first support flange and the second support flange serve as the third support portion, and the other side edge of the first U-shaped main body and the other side edge of the second U-shaped main body serve as the third connecting portion.
4. A roof cornice structure according to any one of claims 1 to 3, further comprising a water-resistant assembly located between the roof boarding and the third support and connected to the third support.
5. A roof cornice structure according to claim 4, wherein the waterproofing assembly comprises a waterproof tape and a plurality of waterproof plugs;
the waterproof adhesive tape extends along the length direction of the third supporting part and is sleeved on the press riveting bolts;
the waterproof plugs are arranged at intervals along the length direction of the third supporting part and connected with the third supporting part, the waterproof plugs are respectively located at the connecting positions of the two roof panels, and the shape of the waterproof plugs is matched with that of the connecting positions of the two roof panels.
6. A roof cornice structure according to claim 5, wherein a waterproof layer is provided on the side of the waterproof plug facing the roof boarding.
7. The roofing cornice structure of any of claims 1 to 3, further comprising a reinforcing bead sleeved over the clinch bolts and connected to the roof panels by the nuts.
8. A roof cornice structure according to claim 7, wherein a plurality of grooves which are recessed in a direction away from the roof boarding are arranged on the reinforcing batten at intervals along the length direction, and the grooves and the roof boarding enclose a drainage hole.
9. A roof cornice structure according to claim 7, wherein two opposite ends of the reinforcing batten are provided with raised edges respectively, and the two raised edges abut against the male rib and the female rib of the roof boarding respectively.
10. A roofing system, comprising: the structure comprises a wall panel, a roof inner roof and a roof cornice structure; wherein,
roofing eaves mouth structure includes: roof purlines, cornice supporting pieces, roof panels and gutter assemblies;
the roof purline comprises a first connecting part and a first supporting part;
the cornice support comprises a second connecting part and a second supporting part;
the gutter assembly comprises a third connecting part and a third supporting part;
the first connecting part of the roof purline is fixedly connected to the roof inner roof, and the first supporting part is connected with the second connecting part of the cornice supporting piece;
the second support portion of the cornice support, the third support portion of the gutter assembly, and the roof panel are stacked; a plurality of pressure riveting bolts which are arranged at intervals along the length direction and integrated with the second supporting part are preset on the second supporting part facing the third supporting part; each pressure riveting bolt sequentially penetrates through the third supporting part and the roof panel and is respectively connected with a nut so as to fixedly connect the second supporting part, the third supporting part and the roof panel;
the third connecting part of the gutter assembly is fixedly connected to the wall panel.
11. A construction method of a roof cornice structure is characterized by comprising the following steps:
fixedly connecting a first connecting part of a roof purline to a roof inside, and connecting a first supporting part of the roof purline to a second connecting part of a cornice supporting piece;
stacking the second supporting part of the cornice supporting piece, the third supporting part of the gutter assembly and the roof panel; a plurality of pressure riveting bolts which are arranged at intervals along the length direction and integrated with the second supporting part are preset on the second supporting part facing the third supporting part; each pressure riveting bolt sequentially penetrates through the third supporting part and the roof panel and is respectively connected with a nut so as to fixedly connect the second supporting part, the third supporting part and the roof panel;
and fixedly connecting the third connecting part of the gutter assembly to the wall panel.
12. The method of construction of claim 11, wherein the first support portion of the roofing purlin is connected to the second connecting portion of the cornice support, and further comprising, prior to:
arranging a reinforcing folded edge on the second supporting part of the cornice supporting piece, wherein the reinforcing folded edge is bent towards the direction far away from the roof panel;
the second connecting part of the cornice supporting piece is provided with a bending structure, and the bending structure is bent towards the direction far away from the roof panel.
13. The method of constructing according to claim 11, wherein the second support portion of the cornice support, the third support portion of the gutter assembly, and the roof panel are stacked, and further comprising:
and a waterproof component is arranged between the roof panel and the third supporting part.
14. The construction method according to claim 11, wherein each of the clinch bolts is connected to a nut, and before, further comprising:
and a reinforcing pressing strip is sleeved on the pressure riveting bolt, and the reinforcing pressing strip is connected to the roof panel through the nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010887944.0A CN111910846A (en) | 2020-08-28 | 2020-08-28 | Roof cornice structure, roof system and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010887944.0A CN111910846A (en) | 2020-08-28 | 2020-08-28 | Roof cornice structure, roof system and construction method |
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| CN111910846A true CN111910846A (en) | 2020-11-10 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113605609A (en) * | 2021-07-30 | 2021-11-05 | 浙江大东吴建筑科技有限公司 | Assembled roof cornice fixing node and mounting method |
| CN115142618A (en) * | 2022-07-25 | 2022-10-04 | 上海江河创泫幕墙制造有限公司 | Wave type polycarbonate panel roofing system |
| CN115182519A (en) * | 2022-08-09 | 2022-10-14 | 精工工业建筑系统集团有限公司 | Cornice backing plate for high-wave high-bearing-capacity roof system |
| CN115182510A (en) * | 2022-08-09 | 2022-10-14 | 精工工业建筑系统集团有限公司 | High-wave high-bearing-capacity roof system |
| CN115370077A (en) * | 2022-08-09 | 2022-11-22 | 精工工业建筑系统集团有限公司 | Pressing strip for high-wave high-bearing-capacity roof system |
| CN115419219A (en) * | 2022-08-09 | 2022-12-02 | 精工工业建筑系统集团有限公司 | Gutter installation method |
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2020
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113605609A (en) * | 2021-07-30 | 2021-11-05 | 浙江大东吴建筑科技有限公司 | Assembled roof cornice fixing node and mounting method |
| CN115142618A (en) * | 2022-07-25 | 2022-10-04 | 上海江河创泫幕墙制造有限公司 | Wave type polycarbonate panel roofing system |
| CN115182519A (en) * | 2022-08-09 | 2022-10-14 | 精工工业建筑系统集团有限公司 | Cornice backing plate for high-wave high-bearing-capacity roof system |
| CN115182510A (en) * | 2022-08-09 | 2022-10-14 | 精工工业建筑系统集团有限公司 | High-wave high-bearing-capacity roof system |
| CN115370077A (en) * | 2022-08-09 | 2022-11-22 | 精工工业建筑系统集团有限公司 | Pressing strip for high-wave high-bearing-capacity roof system |
| CN115419219A (en) * | 2022-08-09 | 2022-12-02 | 精工工业建筑系统集团有限公司 | Gutter installation method |
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