JP2500845Y2 - Roof board connection structure - Google Patents

Description

[Detailed Description of the Invention] [Industrial application] The present invention relates to a roof plate connection structure. More specifically, the connection is easy to perform, but the connection does not come off even in strong winds, and the connection point is sealed. It is related to the technology to effectively improve the sex.

[Prior Art] Conventionally, the roof plate connection structure is shown in FIG.
As in Japanese Patent Laid-Open No. 0416, the connection recess 2 formed on one end side of the roof plate 1 is received by the support fitting 7, and the connection piece 3 is inserted into the connection recess 2 for connection.

[Problems to be solved by the invention] However, in such a connection structure, even if the roof plate 1 is about to be lifted by negative pressure due to a strong wind such as during a typhoon, the lifting force of the roof plate 1 The connection piece 3 is displaced in the arrow A direction to easily disconnect the connection, or the connection piece 3 is displaced in the arrow A direction, so that a gap is created in the connection portion and rainwater enters the connection recess 2. , If the roof plate 1 is long in the eaves direction, the rainwater in the connection recess 2 overflows,
There was a problem such as leakage to the back side of the roof plate 1.

The present invention has been made in view of such a problem, and an object thereof is to prevent the connecting piece inserted in the connecting recess from displacing and coming out of the connecting recess even by negative pressure or blowing up by strong wind. It strongly blocks, reliably prevents disconnection due to wind, and effectively prevents rainwater that has entered the connection recess from leaking to the back side of the roof plate, effectively preventing rainwater from leaking. An object of the present invention is to provide a roof plate connection structure that can be formed and has a high sealing property at a connection point.

[Means for Solving the Problems] In the roof plate connection structure of the present invention, a connection recess 2 having a wider inner part than the entrance side is formed over the entire length of one end of one roof plate 1 to be connected. Outer part of the entrance of
A protruding piece 23 is extended outward from 22 and the protruding piece 23
An abutted portion 24 extends downward at the tip of 23, and an elastic abutting portion 25 that abuts the abutted portion 24 is formed upright over the entire length of the end portion of the other roof plate 1, and the elastic abutting portion 25 is formed. An extension piece 26 is formed outward from the upper end of the connection piece 3 and a connecting piece 3 is hung at the tip of the extension piece 26. The retaining piece 4 elastically contacting the sloped inner wall 2a of the recess that is inclined upward is formed, the connecting piece 3 is inserted into the connecting recess 2, and the elastic contact portion 25 elastically contacts the contacted portion 24 and the reaction force due to the elastic contact. The retaining piece 4 is pressed against the outer recess inner wall inclined surface 2a in the connection recess 2, and the connection piece 3 is interposed between the two elastic contact points X and Y.
A draining space E is formed between the outer side portion 22 and the outer piece portion 22, and a substantially dogleg-shaped engaging concave portion that protrudes toward the inner surface side of the roofing material 1 is formed on the roof plate portion extending downward from the elastic contact portion 25. 20 is formed, and the engaging concave portion 20 is elastically engaged with the substantially V-shaped supporting convex portion 19 formed on the support fitting 7.

[Operation] As described above, the connection piece 3 is inserted into the connection concave portion 2, the elastic contact portion 25 elastically contacts the contacted portion 24, and the retaining piece 4 moves outside the connection concave portion 2 due to the reaction force due to the elastic contact. By being pressed by the inclined surface 2a of the inner wall of the recess, the retaining piece 3 of the connection piece 3 inserted in the connection recess 2 is pulled out against the pulling force by the negative pressure due to the strong wind blown on the roof plate 1. In addition to elastically contacting the recessed inner wall inclined surface 2a in the connection recess 2 by the elastic restoring force of the stopper piece 3, the retaining piece 3 is also elastically contacted by the elastic contact portion 25 to the contacted portion 24. Strongly elastically contacts the inner wall 2a of the recess and strongly prevents the retaining piece 3 from displacing in the disengaging direction, and firmly prevents disconnection of the connection, thus inserting the connecting piece 3 into the connection recess 2. It strongly prevents disconnection in the connection form and reliably prevents disconnection. And such two positions of the elastic contact portions X, draining cavity E between the connection piece 3 and the outer piece portion 22 between the Y
Due to the formation of the connection recesses, even if rainwater enters the connection recesses 2, the connection recesses 2 form drains while draining, and the connection recesses are formed in the drainage space E between the two elastic contact points X and Y. The rainwater in 2 is effectively prevented from climbing up, the rainwater in the connection recess 2 is effectively prevented from leaking to the rear surface side of the roof plate 1, and the sealing property is enhanced, and the elastic contact The substantially concave V-shaped engaging concave portion 20 formed in the roof plate portion extending obliquely downward from the portion 25 is engaged with the support convex portion 19 formed in the support fitting 7, and the roof plate is subjected to negative pressure. Therefore, it is possible to strongly prevent the levitation due to the strong wind even at the connection part of the roof plate and the part away from it.

Embodiment An embodiment of the present invention will be described in detail below with reference to the drawings.

FIG. 1 shows a connection structure between the roof plates 1 and 1. The roof plate 1 is formed long in the direction perpendicular to the paper surface of FIG.
Support metal fittings (tight frame) 7 made by bending a metal strip on a roof base (not shown) as a purlin that is installed substantially parallel to the length of the ridge and is installed at appropriate intervals in the direction of the ridge by bolts. Attached at appropriate intervals, and these support fittings 7
A roof plate 1 such as a folded plate roofing material in which a metal plate such as a steel plate is bent to finish the painting is installed by connecting end portions of the roof plates 1 and connecting them. At the time of the roofing of such roof board 1, so that the connection does not disconnect even in strong wind,
Moreover, it is designed so that rainwater does not enter from the connection point. Hereinafter, the configuration will be described in detail.

The roof plate 1 is a long product that is long in the eaves direction and has a relatively narrow width in the longitudinal direction, and its schematic cross-sectional shape is shown in FIG. The central portion 9 of the roof plate 1 is flat and is placed on the main building, and the inclined portions 10 that rise obliquely outward are formed on both sides of the central portion 9, and the inclined portion 10 is continued. The engaging projection 21 is projected outward,
21 is formed with an engaging recess 20 and further, the engaging recess 20 is formed with a climbing portion 12 and one of the climbing portions 12 is formed.
A horizontal extension piece 8 extends from the upper end of the connection recess 2, and a connection recess 2 is formed subsequent to the horizontal extension piece 8 and having a wider depth than the entrance opening upward. And an outer piece of the inlet of the connection recess 2
22 is inclined obliquely outward, and a projecting piece 23 is extended substantially horizontally from the upper end of the outer piece portion 22 to the outside.
An abutted portion 24 extends obliquely downward and outward at the tip of the.

The other climbing portion 12 of the roof plate 1 is the elastic contact portion 25.
The extending piece 26 is formed substantially horizontally from the upper end of the elastic contact portion 25, and the connecting piece 3 is formed at the tip of the extending piece 26.
Is drooping. The connection piece 3 is formed with a retaining piece 4 which is elastically contacted with the recessed inner wall inclined surface 2a which is inclined rearward from the entrance of the connection recess 2 toward the entrance.
An insertion guide piece 14 is formed at the tip of the retaining piece 4.

As shown in FIG. 1, the support fitting 7 has a pair of positioning members 2
7, 27 are welded to form a holding recess 18 between the positioning tools 27, 27, and a positioning projection 19 is formed on the positioning tool 27.

Then, as shown in FIG. 1, the connecting recess 2 of the roof plate 1 on the left side of FIG. 1 is inserted into the holding recess 18 between the support fitting 7 and the positioning tools 27, 27 to the left side of FIG. The roofing board 1 is positioned. In such a positioning state of the roof panel 1 on the left side of FIG. 1, the connecting piece 3 of the roof panel 1 on the right side of FIG.
25 is elastically contacted, and the retaining piece 4 is elastically contacted with the recessed inner wall inclined surface 2a by the reaction force due to the elastic contact. Therefore, the retaining piece 4 of the connecting piece 3 inserted in the connecting recess 2 is elastically restored by the retaining piece 4 against the pulling force by the negative pressure due to the strong wind blown on the roof plate 1. In addition to elastically contacting the recessed part inner wall inclined surface 2a in the connection recessed part 2, the retaining piece 4 strongly elastically contacts the recessed part inner wall inclined surface 2a due to the reaction force of the elastic contact part 25 elastically contacting the contacted part 24. The retaining piece 4 is strongly prevented from being displaced in the releasing direction, the disconnection is strongly prevented, and the disconnection is surely prevented. Further, the engaging convex portion 21 is engaged with the lower surface side of the supporting convex portion 19 to support the roof plate 1 also on the support fitting 7 to prevent the roof plate 1 from blowing up. Further, in such a connected state, as shown in FIG. 1, two elastic contact points X,
The drainage cavity E is formed between the connecting piece 3 and the outer piece portion 22 between Y, and by forming the drainage cavity E in this way, even if rainwater enters the connection recess 2 Connection recess 2
While draining as a gutter, the rainwater in the connection recess 2 is effectively blocked by the drainage space E between the two elastic contact points X and Y, which effectively prevents the rainwater in the connection recess 2 from climbing up. Is effectively prevented from leaking to the rear surface side of the roof plate 1 and the sealing property is improved. In the figure, 14 is an insertion guide piece.

Such a roof plate 1 is fixed to the support fitting 7 at the ridge-side end of the roof plate 1 with a self-drilling screw on the bottom surface of the connection recess 2. Further, the above-mentioned connection between the roof plates 1 and 1 is performed by the spring back (elastic restoring force) possessed by the roof plate 1. And in the connected state, the roof plate 1, which is in the direction orthogonal to the connecting direction,
The expansion and contraction of 1 is allowed by sliding, and there is no problem even if the roof boards 1, 1 expand greatly due to direct sunlight in summer. In FIG. 2, the dimensional relationship is A≈B; C ≧ D.

FIG. 3 shows another embodiment, in which one outer surface portion of the connection recess 2 of the roof panel 1 on the left side of FIG. 3 is inserted into the recess 15a of the fixing piece 15 welded to the support fitting 7. , And the connection recess 2
The outer surface of the other side is pressed by the fixing metal fitting 16 and tightened and fixed by the bolt 17 and the nut, and the roof plate 1 on the left side in FIG.
The connection recess 2 is positioned. In this case, the fixing piece 15
The fixing metal fittings 16 are arranged at appropriate intervals in the length direction of the roof plate 1 at the positions of the supporting metal fittings 7. In such a fixed state of the roof plate 1 on the left side of FIG. 3, the connecting piece 3 of the roof plate 1 on the right side of FIG.
25 is elastically contacted with the contacted portion 24, and the retaining piece 4 is pressed against the recessed inner wall inclined surface 2a outside the connection recessed portion 2 by the reaction force due to the elastic contact, and such two elastically contacted portions X , Y, a drainage space E is formed between the connecting piece 3 and the outer piece portion 22.

[Effects of the Invention] In summary, according to the present invention, the connection piece is inserted into the connection recess, and the elastic contact portion elastically contacts the contacted portion. The retaining piece has the retaining piece of the connecting piece inserted in the connecting recess against the pulling force by the negative pressure by the strong wind blown on the upper part of the roof plate because it is pressed by the inclined surface of the inner wall of the recess. In addition to elastically contacting the recess inner wall inclined surface in the connection recess by elastic restoring force, the retaining piece can also strongly elastically contact the recess inner wall inclined surface due to the reaction force of the elastic contact portion elastically contacting the contacted portion, It is possible to strongly prevent the retaining piece from displacing in the direction of removal, firmly prevent disconnection of the connection, and thus strongly prevent disconnection in the connection form in which the connection piece is inserted into the connection recess, Can be reliably prevented from coming off In addition, since a drainage space is formed between the connecting piece and the outer piece between these two elastic contact points, even if rainwater enters the connecting recess, the connecting recess will become a gutter. While draining, it effectively prevents rainwater in the connection recess from climbing up in the drainage space between the two elastic contact points,
It is possible to effectively prevent the rainwater in the connection recess from leaking to the rear surface side of the roof plate and to improve the sealing property. Moreover, it is formed on the extension piece that extends obliquely inward from the elastic contact portion. The engaging concave portion is engaged with the supporting convex portion formed on the support fitting to prevent the roof plate from floating due to negative pressure, and thus, even at the connection position of the roof plate and the position away from it. There is an advantage that levitation due to strong wind can be strongly prevented.

[Brief description of drawings]

FIG. 1 is a sectional view of an embodiment of the present invention, FIG. 2 is a schematic sectional view of a roof plate of the same, FIG. 3 is a sectional view of another embodiment of the same, and FIG. 4 is a sectional view of a conventional example. Is. DESCRIPTION OF SYMBOLS 1 is a roof plate, 2 is a connection concave part, 2a is a concave part inner wall inclined surface, 3 is a connecting piece, 4 is a retaining piece, 22 is an outside piece part, 23 is a protruding piece,
24 is an abutting portion, 25 is an elastic abutting portion, 26 is an extending piece, E is a drainage empty space, and X and Y are elastic contact points.

Claims (1)

(57) [Scope of utility model registration request] 1. A connecting recess having a depth deeper than the entrance side is formed over the entire length of one end of one roof plate to be connected, and a protruding piece extends outward from an outer piece of the entrance of the connecting recess. An abutting portion extends downward from the tip of the protruding piece, and an elastic abutting portion that abuts the abutting portion is erected over the entire length of the other end of the roof plate, and is formed from the upper end of the elastic abutting portion. An extension piece is formed on the outside,
The connecting piece is hung at the tip of the extending piece, and the connecting piece is formed with a retaining piece elastically contacting the recessed inner wall inclined surface that is inclined toward the inlet side as it goes deeper than the inlet of the connecting recessed portion, The connection piece is inserted into the connection recess, the elastic contact portion elastically contacts the contacted portion, and the retaining force is pressed by the reaction force due to the elastic contact to the recessed portion inner wall inclined surface outside the connection recessed portion. A drainage space is formed between the connecting piece and the outer piece portion between the elastic contact points of the above, and further, a substantially letter-like shape protruding toward the inner surface side of the roof material at the roof plate portion extending downward from the elastic contact portion. Connection structure of a roof plate, in which a groove-shaped engaging concave portion is formed, and the engaging concave portion is elastically engaged with a substantially V-shaped supporting convex portion formed on the support fitting.