CN110195493B - Clamp for building roof - Google Patents
Clamp for building roof Download PDFInfo
- Publication number
- CN110195493B CN110195493B CN201910553874.2A CN201910553874A CN110195493B CN 110195493 B CN110195493 B CN 110195493B CN 201910553874 A CN201910553874 A CN 201910553874A CN 110195493 B CN110195493 B CN 110195493B
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- Prior art keywords
- face
- tooth
- groove
- arm
- building
- Prior art date
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- 239000000463 material Substances 0.000 claims abstract description 12
- 238000009964 serging Methods 0.000 claims description 16
- 229910000838 Al alloy Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001256 stainless steel alloy Inorganic materials 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 abstract description 9
- 239000002184 metal Substances 0.000 abstract description 9
- 230000008859 change Effects 0.000 abstract description 5
- 230000009471 action Effects 0.000 description 5
- 230000006355 external stress Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- -1 aluminum-magnesium-manganese Chemical compound 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000914 Mn alloy Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- FJMNNXLGOUYVHO-UHFFFAOYSA-N aluminum zinc Chemical compound [Al].[Zn] FJMNNXLGOUYVHO-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- YJVLWFXZVBOFRZ-UHFFFAOYSA-N titanium zinc Chemical compound [Ti].[Zn] YJVLWFXZVBOFRZ-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
- E04D3/36—Connecting; Fastening
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
A clamp for a building roof includes a first clamp and a second clamp. The first clamping piece comprises a first clamping arm and a first connecting arm, wherein the first clamping arm comprises a first face and a second face, the first connecting arm is connected with the upper end of the first clamping arm and comprises a first connecting body, a third face and a fourth face, the third face is located at the upper end of the first face, and the fourth face and the third face are arranged in an axisymmetric mode. The second clamping piece comprises a second clamping arm and a second connecting arm, the second clamping arm comprises a fifth surface and a sixth surface, and the second connecting arm is arranged at the upper end of the second clamping arm. The second connecting arm is assembled with the first connecting arm, so that the sixth surface and the second surface are surrounded to form a containing groove, and part of the surface material of the laid roof is arranged in the containing groove. The fixture and the plate rib are assembled, the stress is reasonable, the gradual change thickness is adopted to achieve the light structural stress from bottom to top, and the wind uncovering resistance of the metal roof system reaches 12.2kPa through test, so that the structural safety of the building is ensured.
Description
Technical Field
The invention relates to a building material, in particular to a fixing mechanism for a building roof, which not only eliminates hidden danger of roof water leakage, but also enhances bearing capacity under the condition of overlarge wind load and negative pressure so as to avoid metal roof damage caused by extreme climate conditions. The telescopic structure can effectively solve the problem of telescopic structure and stably restrict the vertical serging for a long time, and the plate ribs fall off under the action of strong wind and hurricane.
Background
The metal roofing system is a building roofing system which takes metal sheets such as titanium zinc, copper, titanium, aluminum zinc color plates and the like with self-protective corrosion resistance, light weight, high strength and durability, and aluminum alloy and stainless steel sheets as plane materials. The system comprises the following steps: vertical edge snapping systems, vertical edge locking systems, flat lock buckle systems, flat panel systems, contoured panel systems, and cellular panel systems, among others.
The upright lockstitch metal roofing system comprises the following materials: the aluminum-magnesium-manganese alloy is used as a core, is a special plate-shaped metal plate based on vertical serging and occluding design, adopts a fixed support, and forms tight connection with the vertical serging and occluding of the plate. The support is hidden under the deck and no perforations are visible on the roof.
Mounting clips are also used to provide support for the installation of decorative layers or other components, as needed for reinstallation of decorative layers or other components on metal roofing. The common aluminum alloy fixing clamp adopts a left part and a right part to clamp the vertical edge locking plate and the fixing support through bolts. The vertical serging aluminum plate is forced to be in close contact with the fixed support by utilizing the tensile force of the bolts and fixing the vertical serging aluminum plate through the aluminum alloy clamping pieces. Under the condition of strong convection weather, the upright edge locking plate locked by the fixing frame is not easy to be opened in order to be destroyed. The form often causes that the upright serging plate rib and the fixed bracket are acted by the bolts and can not freely stretch and retract when being acted by temperature change or external stress, and the long-time action of the condition causes that the roof board can not stretch and retract normally, thereby generating great potential safety hazard and water leakage hazard. And because the position of the bolt is positioned at the upper part of the clamp, the distance between the bolt and the reaction force point generated by the clamp under the winded load is large, so that a strong bending moment is caused, and the clamp is easy to open and fails.
Because of adopting the screw with large diameter, the volume and the length of the clamp are larger, the material waste is large, the manufacturing cost is high, and the beautiful appearance is influenced.
The common clamping type fixing clamp is fixed by adopting two or more bolts, at least two bolts are required to be screwed simultaneously, and after the common clamping type fixing clamp is built for a period of time, the bolts are easy to loosen, so that the clamp is directly invalid. The fixing mode also causes slow installation speed of the metal roof, and the installation quality is difficult to control.
Disclosure of Invention
An object of the invention is to provide a clamp for building roofs, which is convenient for fixing roof plates and enhancing the wind uncovering resistance of the roof plates.
It is another object of the present invention to provide a clamp for building roofs that enhances load carrying capacity under conditions of excessive wind load under negative pressure.
It is a further object of the present invention to provide a clamp for a building roof that allows the roof to have improved water collection and drainage and eliminates the potential for water leakage.
It is a further object of the present invention to provide the use of a clip for a building roof in an upstanding serging roof system.
A fixture for a building roof, comprising:
a first clip member, comprising:
a first clip arm comprising a first face and a second face;
the first connecting arm is connected with the upper end of the first clamping arm and comprises a first connecting body, a third surface and a fourth surface, wherein the third surface is positioned at the upper end of the first surface, and the fourth surface and the third surface are arranged in an axisymmetric manner;
a second clip, comprising:
a second clamp arm including a fifth face and a sixth face;
the second connecting arm is arranged at the upper end of the second clamping arm;
the second connecting arm is assembled with the first connecting arm, so that the sixth surface and the second surface are surrounded to form a containing groove, and part of the surface material of the laid roof is arranged in the containing groove.
The first surface is arc-shaped, and the curvature radius is 18.0mm plus or minus 0.2mm.
The second surface is arc-shaped, and the curvature radius is 10.5mm plus or minus 0.2mm.
The fifth surface is arc-shaped, and the curvature radius is 18.0mm plus or minus 0.2mm.
The sixth surface is arc-shaped, and the curvature radius is 10.5mm plus or minus 0.2mm.
At the lower end of the first clamping arm, the minimum distance from the first surface to the second surface is 3.4mm plus or minus 0.2mm.
And a groove body is further arranged at the top end of the first connecting arm, and the depth of the groove body is 3.7mm plus or minus 0.2mm. Preferably, the third surface and the fourth surface are disposed on two sides of the tank body.
A first fastener is arranged at the lower edge of the first connecting arm. The first fastener comprises a first tooth and a second tooth, wherein a first assembly groove is formed by the outer wall of one side of the first tooth and the outer wall of one side of the second tooth, and a second assembly groove is formed by the outer wall of the other side of the first tooth and the outer wall of one side of the lower edge of the first connecting body. Preferably, the other side wall of the second tooth is partially coincident with the fourth face.
The drop between the lower edge of the first tooth and the opening of the groove body is 14.8mm plus or minus 0.2mm.
The first fitting groove has a trapezoidal groove cross section, and the width of the notch at the cross section is 16.3mm + -0.2 mm. The inclination angle of a first intersection line formed by the outer wall of one side of the first tooth at the cross section of the trapezoid groove is smaller than that of a second intersection line formed by the outer wall of one side of the second tooth at the cross section of the trapezoid groove.
The third surface is arc-shaped, and the curvature radius is 16.3mm plus or minus 0.2mm.
At the lower end of the second clamping arm, the minimum distance from the fifth surface to the sixth surface is 3.4mm plus or minus 0.2mm.
And a second fastener is arranged at the upper end of the second connecting arm and assembled with the first fastener.
The second fastener includes a third tooth and a fourth tooth, and a third fitting groove is provided between the third tooth and the fourth tooth. The third assembly groove is assembled with the first tooth and is in clearance fit; the third tooth is assembled with the first assembly groove and is in clearance fit; the fourth tooth is arranged in the second assembly groove and is in clearance fit, so that the panel can normally stretch and retract under the action of temperature change or external stress.
In order to assemble with the plane materiel of roofing, the cell wall of holding groove is the cambered surface, and its opening width is 5.7mm + -0.2 mm, does benefit to and disperses after the plane materiel assembly and applys lateral external force to the shaping rib, does not increase the normal friction between aluminium alloy plate rib and the fixed bolster.
In order to improve the wind uncovering resistance of the clamp, a horizontal diameter is taken on the whole circular section of the accommodating groove, and the distance between the extension line of the horizontal diameter and the intersection point of the first surface and the intersection point of the second surface are set to be 7.0mm plus or minus 0.2mm respectively.
In order to improve the wind uncovering resistance of the clamp, a horizontal diameter is taken on the whole circular section of the accommodating groove, and the distances between the extension lines of the horizontal diameter and the intersection point of the fifth surface and the intersection point of the sixth surface are set to be 7.0mm plus or minus 0.2mm respectively.
The various fixtures provided by the invention are particularly suitable for vertical serging roofing systems, such as: but are not limited to, stainless steel materials, aluminum alloy materials, and the like.
The technical scheme of the invention has the beneficial effects that:
the fixture for building roof provided by the invention is characterized in that the surface material (such as a plate rib) of a roof system (especially a vertical serging system) is assembled, lateral external force is not applied to the forming rib of the vertical serging, and normal friction between the aluminum alloy plate rib and the fixed bracket is not increased.
The fixture for the building roof can adapt to temperature change or external stress action after being assembled with the surface material of the vertical edge locking system, and does not influence the normal expansion and contraction of the vertical edge locking plate.
The clamp for the building roof provided by the invention is reasonable in stress, and the gradual thickness is adopted to achieve the stress of a light structure from bottom to top, so that the clamp can not fail even if the roof slab rib is broken. Through tests, according to FM4471-2010 (1-level plate roofing authentication standard), the anti-wind uncovering performance of the metal roofing system reaches 12.2kPa, and the structural safety of a building is ensured.
The fixture for the building roof provided by the invention has the advantages that the size of the broken surface is small, the using amount of the surface material is obviously reduced, the fixture is also applicable to various natural environments, and the building effect is more attractive and the design is more flexible.
Drawings
FIG. 1 is a schematic view of a construction of an embodiment of a clamp for building roofing according to the present invention;
FIG. 2 is a schematic view of an embodiment of a first clip member of the clip shown in FIG. 1;
fig. 3 is a schematic structural view of an embodiment of a second clamping member of the clamp shown in fig. 1.
Detailed Description
The technical scheme of the present invention is described in detail below with reference to the accompanying drawings. The embodiments of the present invention are only for illustrating the technical scheme of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical scheme of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Fig. 1 is a schematic structural view of an embodiment of a clamp for building roofs according to the present invention, fig. 2 is a schematic structural view of an embodiment of a first clamping member of the clamp shown in fig. 1, and fig. 3 is a schematic structural view of an embodiment of a second clamping member of the clamp shown in fig. 1. As shown in fig. 1, 2 and 3, the clip of the present embodiment is used in the assembly of a panel rib for constructing a building roofing system, and in particular, in the assembly of a panel rib for an upstanding serging system. The clamp includes a first clamp member 100 and a second clamp member 200, the first clamp member 100 and the second clamp member 200 being assembled to clamp the plate rib.
The first clip member 100 includes a first clip arm 110 that includes a first face 111 and a second face 112. In this embodiment, the first surface 111 is arc-shaped, and has a radius of curvature of 18.0mm±0.2mm. The second face 112 is arcuate with a radius of curvature of 10.5mm + -0.2 mm. At the lower end of the first clamping arm 110, the minimum distance D4 from the first face 111 to the second face 112 is 3.4mm±0.2mm.
The second clip member 200 includes a second clip arm 210 that includes a fifth face 211 and a sixth face 212. In this embodiment, the fifth surface 211 is arc-shaped, and has a radius of curvature of 18.0mm±0.2mm. Sixth face 212 is arcuate with a radius of curvature of 10.5mm + -0.2 mm. At the lower end of the second clamping arm 210, the minimum distance D5 from the fifth face 211 to the sixth face 212 is 3.4mm±0.2mm.
The sixth surface 212 and the second surface 112 are surrounded to form a receiving groove 130, and a part of the roofing surface material (for example, the surface material forms a serging rib) is disposed in the receiving groove 130. The groove wall 132 of the accommodating groove 130 is an arc surface, the accommodating groove 130 is a circular cross section, and the opening width D1 is 5.7mm plus or minus 0.2mm.
In order to improve the anti-wind uncovering capability of the fixture, in this embodiment, a horizontal diameter 131 is taken on the circular cross section of the whole accommodating groove 130, and the distance D2 between the intersection point of the horizontal diameter and the intersection point of the first surface 111 and the second surface 112 on the extension line is set to be 7.0mm±0.2mm. The distance D3 between the intersection of the fifth surface 211 and the sixth surface 212 on the extension of the horizontal diameter was set to 7.0mm±0.2mm.
The first clip member 100 further includes a first connecting arm 120 connected to an upper end of the first clip arm 110, and includes a first connecting body 121, a third surface 122 and a fourth surface 123, wherein the third surface 122 is located at an upper end of the first surface 111. A groove 124 is further provided at the tip of the first connecting arm 120, the groove depth D8 is 3.7mm±0.2mm, and the third surface 122 and the fourth surface 123 are provided on both sides of the groove cross section. In this embodiment, the third surface 122 is arc-shaped, the radius of curvature is 16.3mm±0.2mm, and the fourth surface 123 and the third surface 122 are axisymmetrically arranged, which is beneficial to improving the anti-wind uncovering capability of the clamp.
At the lower edge of the first connecting arm 120, a first fastener is provided, which includes a first tooth 141 and a second tooth 142, wherein a first assembly groove 150 is defined by an outer wall of one side of the first tooth 141 and an outer wall of one side of the second tooth 142, and a second assembly groove 160 is defined by an outer wall of the other side of the first tooth 141 and an outer wall of the first connecting body 121. In this embodiment, the other side of the second tooth 142 partially coincides with the fourth face 123. The drop D6 between the lower edge of the first tooth 141 and the opening of the groove body is 14.8mm plus or minus 0.2mm.
The first fitting groove 150 has a trapezoidal groove cross section, and the notch width D7 at the cross section is 16.3mm±0.2mm. The inclination angle a2 of the first intersection line 161 of the one side outer wall of the first tooth at the trapezoid groove cross section is smaller than the inclination angle a1 of the second intersection line 162 of the one side outer wall of the second tooth at the trapezoid groove cross section.
The second clip member 200 further includes a second connecting arm 220 disposed at an upper end of the second clip arm 210 and assembled with the first connecting arm 120, such that the sixth surface 212 and the second surface 112 form the accommodating groove 130. At the upper end of the second connection arm 220, a second fastening member is provided to be assembled with the first fastening member 140.
In this embodiment, the second fastener includes a third tooth 231 and a fourth tooth 232, and a third fitting groove 240 is provided between the third tooth 231 and the fourth tooth 232. The third fitting groove 240 is fitted with the first tooth 141, clearance-fitted; the third tooth 231 is assembled with the first assembly groove 150, and is in clearance fit; the fourth teeth 232 are disposed in the second assembly groove 160, and are in clearance fit, so as to facilitate the panel to be normally stretched and contracted under the action of temperature change or external stress.
The clamp of the embodiment is arranged on the plate rib of the vertical serging system, the roof system is tested according to the detection standard of FM4474-2004 (R2010), the wind uncovering resistance of the roof system reaches 12.2kPa by referring to the certification standard of FM4471-2010 (1-level plate house), the clamp is not damaged, loosened and fallen, the highest historical value of the wind uncovering resistance of the vertical serging aluminum-magnesium-manganese roof system in the industry is broken through, and the capability of resisting strong convection weather such as strong wind, hurricane and the like is achieved.
Claims (11)
1. A clamp for a building roof, comprising:
a first clip member, comprising:
a first clip arm comprising a first face and a second face;
the first connecting arm is connected with the upper end of the first clamping arm and comprises a first connecting body, a third surface and a fourth surface, wherein the third surface is positioned at the upper end of the first surface, and the fourth surface and the third surface are arranged in an axisymmetric manner;
a second clip, comprising:
a second clamp arm including a fifth face and a sixth face;
the second connecting arm is arranged at the upper end of the second clamping arm;
the second connecting arm is assembled with the first connecting arm, so that the sixth surface and the second surface are surrounded to form a containing groove;
the groove wall of the accommodating groove is an arc surface, a horizontal diameter is taken from the circular cross section of the whole accommodating groove, and the distance between the extension line of the horizontal diameter and the intersection point of the first surface and the intersection point of the second surface is set to be 7.0mm plus or minus 0.2mm; setting the distance between the extension line of the horizontal diameter and the intersection point of the fifth surface and the intersection point of the sixth surface to be 7.0mm plus or minus 0.2mm respectively;
a first fastener is arranged at the lower edge of the first connecting arm, the first fastener comprises a first tooth and a second tooth, a first assembly groove is formed by enclosing one side outer wall of the first tooth and one side outer wall of the second tooth, a second assembly groove is formed by enclosing the other side outer wall of the first tooth and one side outer wall of the lower edge of the first connecting body, and the other side wall of the second tooth is partially overlapped with the fourth surface;
a groove body is further arranged at the top end of the first connecting arm, and the drop between the lower edge of the first tooth and the opening of the groove body is 14.8mm plus or minus 0.2mm;
the first assembly groove is provided with a trapezoid groove section, the width of a notch at the section is 16.3mm plus or minus 0.2mm,
the inclination angle of a first intersection line formed by the outer wall of one side of the first tooth at the cross section of the trapezoid groove is smaller than the inclination angle of a second intersection line formed by the outer wall of one side of the second tooth at the cross section of the trapezoid groove;
a groove body is further formed in the top end of the first connecting arm, the depth of the groove body is 3.7mm plus or minus 0.2mm, and the third face and the fourth face are arranged on two sides of the groove body;
a second fastener is arranged at the upper end of the second clamping arm and is assembled with the first fastener, the second clamping arm comprises a third tooth and a fourth tooth, and a third assembling groove is arranged between the third tooth and the fourth tooth; the third assembly groove is assembled with the first tooth and is in clearance fit; the third tooth is assembled with the first assembling groove in a clearance fit manner; the fourth teeth are arranged in the second assembly groove and are in clearance fit.
2. A clip for a building roof according to claim 1, wherein at the lower end of said first clip arm, the minimum distance from said first face to said second face is 3.4mm ± 0.2mm.
3. A clip for a building roof according to claim 1, wherein at the lower end of said second clip arm, the minimum distance from said fifth face to said sixth face is 3.4mm ± 0.2mm.
4. The fixture for building roofs according to claim 1, wherein said second face is arc-shaped with a radius of curvature of 10.5mm ± 0.2mm; the sixth surface is arc-shaped, and the curvature radius is 10.5mm plus or minus 0.2mm.
5. A fixture for building roofing according to claim 1, wherein said first face is arcuate with a radius of curvature of 18.0mm ± 0.2mm.
6. A fixture for building roofs according to claim 1, characterised in that said fifth face is arc-shaped with a radius of curvature of 18.0mm ± 0.2mm.
7. A fixture for building roofs according to claim 1, characterised in that said third face is arc-shaped with a radius of curvature of 16.3mm ± 0.2mm.
8. The fixture for building roof according to claim 1, wherein the groove wall of the accommodating groove is an arc surface, and the opening width of the accommodating groove is 5.7mm plus or minus 0.2mm.
9. A clamp for building roofs according to any one of claims 1-8, characterised in that the building roof is an upstanding serging roof system.
10. A fixture for building roofs according to any one of claims 1-8, wherein the face material of the building roof is stainless steel or aluminium alloy.
11. Use of a clamp for building roofing according to one of claims 1-8 in an upright serging roofing system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910553874.2A CN110195493B (en) | 2019-06-24 | 2019-06-24 | Clamp for building roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910553874.2A CN110195493B (en) | 2019-06-24 | 2019-06-24 | Clamp for building roof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110195493A CN110195493A (en) | 2019-09-03 |
| CN110195493B true CN110195493B (en) | 2024-03-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910553874.2A Active CN110195493B (en) | 2019-06-24 | 2019-06-24 | Clamp for building roof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110195493B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20031246A1 (en) * | 2003-06-19 | 2004-12-20 | Megadar S R L | PLATE COVERING SYSTEM FOR ROOFS AND SIMILAR |
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| CN110195493A (en) | 2019-09-03 |
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