Novel all-welded metal roof board

Abstract

The utility model discloses a novel all-welded metal roofing board, which relates to the technical field of steel structure building equipment, one end of the metal roofing board is provided with a primary opening, the other end is provided with a secondary opening, and the primary openings and the secondary openings of two adjacent metal roofing boards are in butt joint; the female opening comprises a vertical lockrand portion and a female opening connecting portion, the vertical lockrand portion is vertically arranged, the female opening connecting portion is L-shaped, the vertical lockrand portion of the female opening is located on the side close to the male opening, the female opening connecting portion is arranged on the vertical lockrand portion of the female opening in an extending mode, and the male opening comprises a bent overlapping portion and an extending connecting portion. One end of the seam allowance of the metal roofing board is folded and overlapped in a 7 shape to form a bent overlapping part, and the extension connecting part is arranged at the extension end of the bent overlapping part. The influence of thermal expansion and cold contraction performance of the metal roof board on metal surface deformation is thoroughly eliminated; and the durability and the safety performance of the metal roof can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structure building equipment, in particular to a novel fully welded metal roof panel. Background Art

[0002] The current prior art is that the metal roof panels are connected together by fixing supports and then the two metal roof panels and the sliding pieces of the fixing supports are welded together by resistance welding. However, the structural strength of the metal roof panels in the prior art is relatively low, which affects the stability of the entire metal roof system. At the same time, the metal roof in the prior art will crack in the spliced ​​part structure and cause the sealing performance to fail due to the thermal expansion and contraction characteristics of the metal roof panels when used for a long time. Utility Model Content

[0003] The utility model aims to provide a novel fully welded metal roof panel in view of the deficiencies in the prior art.

[0004] A novel fully welded metal roof panel, wherein a female opening is arranged at one end of the metal roof panel and a sub-opening is arranged at the other end, and the female openings of two adjacent metal roof panels are butted against the sub-openings; the female opening comprises a standing lock edge portion and a female opening connecting portion, the standing lock edge portion is arranged vertically, the female opening connecting portion is arranged in an L shape, the female opening standing lock edge portion is located on a side close to the sub-opening, the female opening connecting portion is extendedly arranged on the female opening lock edge portion, the sub-opening comprises a bending overlapping portion and an extending connecting portion, one end of the sub-opening of the metal roof panel is folded in half and overlapped in a 7-shape to form a bending overlapping portion, and the extending connecting portion is arranged at an extended end of the bending overlapping portion.

[0005] Preferably, the extended connection portion is arranged in an S shape.

[0006] Preferably, the end of the extended connecting portion is extended downward to form a full-length sliding rod.

[0007] Preferably, the metal roof panel is provided with beveled edges on both sides, the beveled edges are arranged tilted upward, the sub-opening and the female opening are respectively arranged on the upper side of the beveled edges of the metal roof panels on both sides, and the cross-section of the metal roof panel is a concave structure with the upper end unfolded.

[0008] Preferably, the beveled edge portion is bent along the length direction of the metal roof panel.

[0009] Preferably, the metal roof panel is provided with a reinforcement groove, and the reinforcement groove is arranged along the length direction of the metal roof panel.

[0010] Preferably, a bent edge is provided at the outer edge of the female opening.

[0011] Preferably, the bending portion of the bending overlapping portion is provided with a curved portion.

[0012] The advantages of the utility model compared with the prior art are:

[0013] First, in the present scheme, the female opening includes a standing lock edge portion and a female opening connection portion, the standing lock edge portion is vertically arranged, the female opening connection portion is arranged in an L shape, the female opening standing lock edge portion is located on a side close to the sub-opening, the female opening connection portion is extended on the female opening lock edge portion, the sub-opening includes a bending overlapping portion and an extending connection portion, one end of the sub-opening of the metal roof panel is folded in half and overlapped in a 7-shape to form a bending overlapping portion, the bending overlapping portion is composed of the folding of the metal roof panel, thereby increasing the structural strength of the sub-opening and improving the splicing stability of the metal roof panel, the extending connection portion is arranged at the extended end of the bending overlapping portion, and can be connected to the mounting seat on the roofing system through the arranged extending connection portion, thereby realizing stable installation of the metal roof panel.

[0014] Second, in this scheme, a bending edge is arranged at the outer edge of the mother opening, and the bending portion of the bending overlapping portion is arranged with a bending portion. Both the bending edge and the bending portion are extended and bent by 180°, and the bending curvature radius of the bending edge and the bending portion is not less than the material thickness of a metal roof panel, thereby improving the connection stability between the mother opening and the child opening of two adjacent metal roof panels and preventing the bending edge and the bending portion from breaking.

[0015] Third: In this solution, beveled edges are provided on both sides of the metal roof panel, and the beveled edges are bent along the length direction of the metal roof panel, and are inclined upward. The sub-opening and the female opening are respectively provided on the upper side of the beveled edges of the metal roof panels on both sides. The cross-section of the metal roof panel is a concave structure with the upper end unfolded, thereby further improving the structural stability of the roofing system. At the same time, the accumulated water or snow on the metal roof panel can be discharged through the formed concave structure, thereby preventing the accumulation of accumulated water and snow from increasing the bearing weight of the roofing system.

[0016] Fourthly, in the present solution, the extended connection portion 22 is arranged at the extended end of the bent overlapping portion 21, and the extended connection portion 22 can be connected to the mounting seat on the roofing system, thereby realizing the stable installation of the metal roof panel, reducing the construction structure of the metal roofing system, and improving the construction convenience of the metal roofing system. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure when the metal roof panels are spliced ​​in this solution;

[0018] Figure 2 This is the main view of the metal roof panels when splicing in this scheme;

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the metal roof panel in this solution;

[0020] Figure 4 This is the main view of the metal roof panel of the drainage assembly;

[0021] Figure 5 for Figure 4 A schematic diagram of the enlarged structure at A in the middle;

[0022] Figure 6 for Figure 4 Schematic diagram of the enlarged structure at point B in the middle.

[0023] Figure numerals: female opening 1, upright locking edge portion 11, female opening connecting portion 12, sub-opening 2, bent overlapping portion 21, extended connecting portion 22, full-length sliding rod 221, bevel edge portion 3, reinforcement groove 4, bent return edge 5, curved portion 6. DETAILED DESCRIPTION

[0024] Combined with Figure 1-6 As shown, a new type of fully welded metal roof panel, a female opening 1 is arranged at one end of the metal roof panel, and a sub-opening 2 is arranged at the other end, the female openings 1 of two adjacent metal roof panels are butted with the sub-openings 2, and a plurality of metal roof panels are spliced ​​together through the mutual cooperation of the sub-openings 2 and the female openings 1 to form an overall metal roof system;

[0025] like Figure 5 As shown, preferably, the female port 1 includes a standing lock edge portion 11 and a female port connecting portion 12, the standing lock edge portion 11 is vertically arranged, the female port connecting portion 12 is arranged in an L shape, the standing lock edge portion 11 of the female port 1 is located on a side close to the sub-port 2, and the female port connecting portion 12 is extended and arranged on the lock edge portion of the female port 1;

[0026] like Figure 6 As shown, preferably, the sub-mouth 2 includes a bending overlapping portion 21 and an extended connecting portion 22, and one end of the metal roof panel sub-mouth 2 is folded and overlapped in a 7-shape to form the bending overlapping portion 21, and the bending overlapping portion 21 is composed of the folded metal roof panel, thereby increasing the structural strength of the sub-mouth 2 and improving the splicing stability of the metal roof panel. The extended connecting portion 22 is arranged at the extended end of the bending overlapping portion 21, and can be connected to the mounting seat on the roofing system through the arranged extended connecting portion 22, thereby achieving stable installation of the metal roof panel.

[0027] Preferably, the extension connection part 22 is set in an S shape, and the extension connection part 22 is slidably embedded in the mounting seat on the roof of the house. The end of the extension connection part 22 is extended downward to form a full-length sliding rod 221; through the cooperation of the extension connection part 22 and the mounting seat, the metal roof panel can be fixed in a sliding connection, and the sliding amount is not limited, ensuring the normal thermal expansion and contraction performance of the metal roof panel on the roof, and the connection will not be torn due to the thermal expansion and contraction of the metal roof panel. Further improve the installation safety and durability of the roof system;

[0028] Preferably, beveled edge portions 3 are provided on both sides of the metal roof panel, and the beveled edge portions 3 are bent along the length direction of the metal roof panel, and the beveled edge portions 3 are inclined upward. The sub-opening 2 and the mother opening 1 are respectively provided on the upper side of the beveled edge portions 3 of the metal roof panels on both sides. The cross-section of the metal roof panel is a concave structure with the upper end unfolded, thereby further improving the structural stability of the roofing system. At the same time, the accumulated water or snow on the metal roof panel can be discharged through the formed concave structure, thereby preventing the accumulation of accumulated water or snow from increasing the bearing weight of the roofing system.

[0029] Preferably, the metal roof panel is provided with a reinforcement groove 4, and the reinforcement groove 4 is arranged along the length direction of the metal roof panel, so as to further improve the structural strength of the metal roof panel.

[0030] Preferably, Figure 5 and 6 As shown, a bending return edge 5 is provided at the outer edge of the mother port 1, and a bending portion 6 is provided at the bending portion of the bending overlapping portion 21. In this solution, both the bending return edge 5 and the bending portion 6 are extended and bent by 180°, and the bending curvature radius of the bending return edge 5 and the bending portion 6 is not less than the material thickness of a metal roof panel, thereby improving the connection stability of the mother port 1 and the child port 2 of two adjacent metal roof panels and preventing the bending return edge 5 and the bending portion 6 from breaking.

[0031] In the description of the present utility model, it is necessary to understand that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In the description of the present invention, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0034] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A new type of fully welded metal roof panel, characterized in that: A female opening (1) is arranged at one end of the metal roof panel, and a sub-opening (2) is arranged at the other end, and the female openings (1) and sub-openings (2) of two adjacent metal roof panels are butted against each other; the female opening (1) comprises a vertical locking edge portion (11) and a female opening connecting portion (12), the vertical locking edge portion (11) is arranged vertically, the female opening connecting portion (12) is arranged in an L shape, the vertical locking edge portion (11) of the female opening (1) is located on a side close to the sub-opening (2), the female opening connecting portion (12) is extended and arranged on the locking edge portion of the female opening (1), the sub-opening (2) comprises a bent overlapping portion (21) and an extended connecting portion (22), one end of the sub-opening (2) of the metal roof panel is folded and overlapped in a 7-shaped arrangement to form the bent overlapping portion (21), and the extended connecting portion (22) is arranged at the extended end of the bent overlapping portion (21).

2. The metal roof panel according to claim 1, characterized in that: The extended connection portion (22) is arranged in an S shape.

3. The metal roof panel according to claim 1, characterized in that: The end of the extended connection portion (22) is extended downward to form a full-length sliding rod (221).

4. The metal roof panel according to claim 1, characterized in that: The metal roof panel is provided with beveled edges (3) on both sides, the beveled edges (3) are arranged tilted upward, the sub-opening (2) and the female opening (1) are respectively arranged on the upper side of the beveled edges (3) of the metal roof panels on both sides, and the cross-section of the metal roof panel is a concave structure with the upper end unfolded.

5. The metal roof panel according to claim 4, characterized in that: The oblique edge portion (3) is bent along the length direction of the metal roof panel.

6. The metal roof panel according to claim 1, characterized in that: The metal roof panel is provided with a reinforcement groove (4), and the reinforcement groove (4) is arranged along the length direction of the metal roof panel.

7. The metal roof panel according to claim 1, characterized in that: A bent edge (5) is provided at the outer edge of the female opening (1).

8. The metal roof panel according to claim 1, characterized in that: The bending portion of the bending overlapping portion (21) is provided with a curved portion (6).

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