JPH0718818Y2 - Roof board connection structure - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a roof plate connection structure. More specifically, the present invention relates to a technique for improving the sealing property of a connection portion without disconnecting the connection even in a strong wind. It is related.

[Prior Art] Conventionally, the connection structure of the roof plate is shown in FIG.
As in Japanese Patent Laid-Open No. 6, a supporting metal fitting 7 receives a connection recess 2 formed on one end side of a roof plate 1, and a connection piece 3 is inserted into the connection recess 2.
Is to insert and connect.

[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. When the length of the roof plate 1 in the eaves ridge direction is long, there is a problem that the rainwater in the connection recess 2 overflows and leaks to the back side of the roof plate 1.

The present invention has been made in view of such problems,
The purpose is to strongly prevent the connection piece inserted into the connection recess from displacing and coming out of the connection recess even by negative pressure due to strong wind or blowing up, and reliably prevent disconnection due to wind, and An object of the present invention is to provide a roof plate connection structure that can prevent rainwater from entering the connection recesses and can reliably prevent rainwater from leaking, and has a high sealing property at connection points.

[Means for Solving the Problem] In the roof plate connection structure of the present invention, the abutted portion 22 is erected over the entire length of one end of one roof plate 1 to be connected,
A connection concave portion 2 is formed in which the upper end of the abutted portion 22 is folded back downward in a substantially U-shape and the back is wider than the inlet opening upward,
A cover portion 5 is formed over the entire length of the end portion of the other roof plate 1 so as to straddle the entrance of the connection recessed portion 2, and an elastic contact portion in which the tip of the cover portion 5 is folded back and reaches the lower surface of the cover portion 5 6 is formed, and a connection piece 3 inserted into the connection recess 2 is hung from the tip of the folded-back portion 8 on the lower surface of the cover portion 5. A retaining piece 4 that elastically contacts the recessed inner wall inclined surface 2a that slopes up toward the side is formed, the connection piece 3 is inserted into the connection recessed portion 2, and the inlet of the connection recessed portion 2 is covered by the cover portion 5, and elastic The contact portion 6 elastically contacts the contacted portion 22, and the retaining pieces 3 elastically contact the recess inner wall inclined surface 2a by the reaction force due to the elastic contact.

[Operation] As described above, the connection piece 3 is inserted into the connection recessed portion 2, the elastic contact portion 6 elastically contacts the contacted portion 22, and the retaining piece 3 is recessed by the reaction force due to the elastic contact. By being elastically contacted with, the retaining piece 3 of the connecting piece 3 inserted into the connecting recess 2 has the retaining piece 3 against the pulling force by the negative pressure caused by the strong wind blown on the upper part of the roof plate 1. In addition to elastically contacting the recess inner wall inclined surface 2a in the connection recess 2 by the elastic restoring force, the elastic contact portion 6 on the connection piece 3 side is connected to the connection recess 2
The retaining piece 3 due to the reaction force elastically contacting the contacted part 22 on the side
Strongly contacts the recessed inner wall inclined surface 2a and effectively prevents the slip-out preventing piece 3 from displacing in the disengaging direction, and firmly prevents disconnection of the connection. It strongly prevents disengagement in the connection form to be inserted and surely prevents disengagement of the connection, and the inlet of the connection recess 2 is covered with the cover 5, so that rainwater enters the connection recess 2. In addition, it is possible to prevent the occurrence of a gap for rainwater intrusion, prevent rainwater from infiltrating into the connection recess 2 and prevent the water from leaking to the rear surface side of the roof plate 1, and improve the sealing performance. .

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

Fig. 1 shows the connection structure between the roof boards 1 and 1. The roof board 1 is formed to be long in the direction perpendicular to the paper surface of Fig. 1 and is substantially parallel to the length direction of the ridge, in the direction of the eaves. A support metal fitting (tight frame) 7 in which a metal strip is bent is attached to the roof base (not shown) as a purlin installed at appropriate intervals with bolts at appropriate intervals, and these support metal 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 roofing the roof plate 1, the connection is prevented from being broken even by a strong wind, and the rainwater is prevented from intruding from the connecting portion. The configuration will be described in detail below.

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. On both sides of the central portion 9, there are formed inclined portions 10 that rise obliquely outward, and following the inclined portion 10. The engaging convex portion 21 is projected outward, and the engaging convex portion 21
The engaging recess 20 is formed subsequently, the shoulders 11, 11 are further formed following the engaging recess 20, and the abutted portion 22 is provided on one side of the shoulder 11 (on the right side in FIG. 2). Is formed upright, the upper end of the abutted portion 22 is folded downward in a substantially U shape, and a connection concave portion 2 having a larger depth than the inlet opening upward is formed. Then, on the other shoulder 11 side, following the climbing portion 12, the connection recess 2
The cover portion 5 straddling the entrance of the cover 5 is formed substantially horizontally, and the tip of the cover portion 5 is folded back and the elastic contact portion 6 is folded back to reach the lower surface of the cover portion 5. Further, the connection piece 3 inserted into the connection recess 2 is hung from the tip of the folded-back portion 8 on the lower surface of the cover portion 5,
At the inner side of the entrance of the connection recess 2, the retaining piece 4 that elastically contacts the recessed inner wall inclined surface 2a that climbs and inclines toward the entrance side toward the upper side.
Is formed, and the insertion guide piece 14 is attached to the tip of the retaining piece 4.
Are formed.

Then, a holding recess 18 is formed in the support fitting 7 so that the connection recess 2 is inserted and held. Further, a support projection 19 is formed in the support fitting 7 and an engagement recess 20 is formed in the support projection 19. While engaging, the engaging convex portion 21 is engaged with the lower surface side of the supporting convex portion 19 so that the roof plate 1 is also supported by the support metal fitting 7 to prevent the roof plate 1 from blowing up. . Then, the first
As shown in the drawing, the connection recess 2 of the roof plate 1 on the left side of FIG. 1 is inserted into the holding recess 18 of the support fitting 7 to position the roof plate 1 on the left side of FIG. Such a roof plate 1 on the left side of FIG.
1 in the fixed state, the connecting piece 3 of the roof plate 1 on the right side of FIG.
Is loosely inserted into the connection recess 2 and the cover 5 covers the inlet of the connection recess 2, and the elastic contact part 6 is contacted with the contact part.
The retaining pieces 3 are elastically contacted with the elastic member 22, and the retaining pieces 3 are elastically contacted with the inclined surface 2a of the recess inner wall by the reaction force generated by the elastic contact. Then, against the pulling force by the negative pressure due to the strong wind blown on the roof plate 1, the retaining piece 3 of the connecting piece 3 inserted into the connecting recess 2 is elastically restored by the retaining piece 3. Connection recess 2 by force
In addition to elastically contacting the recessed part inner wall sloped surface 2a, the retaining piece 3 contacts the recessed part inner wall sloped surface 2a by the reaction force of the elastic contact part 6 on the connection piece 3 side elastically contacting the contacted part 22 on the connection recessed part 2 side. The elastic contact is strong, effectively preventing displacement of the retaining piece 3 in the disengaging direction, and firmly preventing disengagement of the connection. The inlet of the connection recess 2 is covered with a cover 5, which prevents rainwater from entering the connection recess 2 and also prevents a gap for rainwater from entering.
Rainwater is prevented from infiltrating into the roof and leaks to the back side of the roof plate 1 to improve the sealing performance.

[Effects of the Invention] In summary, according to the present invention, the connection piece is inserted into the connection recess, the elastic contact portion elastically contacts the contacted portion, and the reaction force due to the elastic contact causes the retaining piece to elastically contact the inclined surface of the recess inner wall. Since they are in contact with each other, the pull-out force of the connection piece inserted in the connection recess is due to the elastic restoring force of the pull-out prevention piece against the pulling force due to the negative pressure caused by the strong wind blowing on the roof plate. In addition to elastically contacting the inclined surface of the inner wall of the recess in the connection concave part, the retaining piece can also make strong elastic contact with the inclined surface of the inner wall of the recess by the reaction force of the elastic contact part of the connection piece side contacting the contacted part of the connection recess side And effectively prevent the retaining piece from displacing in the disengagement direction and firmly prevent disengagement of the connection.
It strongly prevents disengagement in the connection form in which the connection piece is inserted into the connection recess and reliably prevents the connection from being disconnected, and the inlet is covered by the cover part in the connection recess, and rainwater is contained in the connection recess. Advantages of preventing invasion and avoiding gaps for rainwater intrusion, preventing rainwater from intruding into the connection recesses, preventing leakage to the back side of the roof plate, and improving sealing performance There is.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of an embodiment of the present invention, FIG. 2 is a schematic cross-sectional view of the above roof plate, and FIG. 3 is a cross-sectional view of a conventional example. Reference numeral 1 is a roof plate, 2 is a connection concave portion, 2a is a concave inner wall inclined surface, 3 is a connecting piece, 4 is a retaining piece, 5 is a cover portion, 6 is an elastic contact portion, 8 is a folded portion, and 22 is an abutted portion. is there.

Claims (1)

[Scope of utility model registration request] 1. An abutted portion is erected over the entire length of one end of one roof plate to be connected, and an inner portion is wider than an inlet opening upward by folding the upper end of the abutted portion downward in a substantially U shape. A connecting recess is formed, and a cover that spans the entrance of the connecting recess is formed over the entire length of the end of the other roof plate, and the tip of the cover is folded downward and folded back to reach the lower surface of the cover. Part is formed, and a connection piece inserted into the connection recess is hung from the tip of the folded portion on the lower surface of the cover part, and the connection piece is inclined rearward from the entrance of the connection recess toward the entrance side toward the upper side. A retaining piece that elastically contacts the inner wall of the recess is formed, the connecting piece is inserted into the connecting recess, the inlet of the connecting recess is covered by the cover, and the elastic contact part elastically contacts the contacted part and Extracted by reaction force due to contact Connecting structure roof plate because pieces formed by elastic contact with the concave inner wall inclined surface.