JPH10238026A - Connecting structure for roof plate - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily and quickly connect roof plate with sufficient water tightness while restricting blow-up due to negative pressure. SOLUTION: The horizontal parts 5, 5 of roof plates 3a, 3b neighboring each other are placed on a tight frame 1a to locate the flashing parts 12, 12 at both sides of a connecting protrusion 1b. A blocking plate 28 is placed on the connecting protrusion 1b across both flashing parts 12, 12, the connecting fitting 6 is placed on the blocking plate 28, a fixture 8 passing through the connecting fitting 6 and the blocking plate 28 is screwed into the connecting protrusion 1b to fix the connecting fitting 6 to the tight frame 1a for arranging a holder 7 above the horizontal part 5 and the engaged part 26 of a cap 9 is engaged with a cap engaging part 25.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a metal roof slab connection structure, and more particularly to a metal roof slab connection structure. It relates to the technology to be performed.

[0002]

2. Description of the Related Art Conventionally, FIG.
As shown in Japanese Patent No. 62618, to connect the roof slats 3a 'and 3b', short connecting pieces 6a and 6b are arranged so as to straddle the tile bar 2a 'between the roof slats 3a' and 3b 'to be connected. The roof plate material 3 is provided on both sides of these connection fittings 6a and 6b.
a ', 3b' are erected, and erected at the upper ends of the erecting pieces 10 ', 10' at the upper ends of the connection fittings 6b. The shroud wrapping plate 2b is constructed.

[0003]

However, in such a construction, the work is low in workability because the work is folded and folded. In particular, the middle part of the roof slab 3a due to the negative pressure effect of the strong wind in a typhoon season or the like. Is lifted,
Due to the lifting action, the upright pieces 10 ', 10' of the roof plate members 3a ', 3b' are pulled out outward, and there is a problem that the connection with the wrapping plate 2b is easily disconnected by this pulling action [FIG. (See (b)). Also, the watertightness was low.

An object of the present invention is to solve such a problem, and an object of the present invention is to provide a method for connecting a roof plate material while suppressing disconnection at a connection portion caused by blowing up due to a negative pressure. It is an object of the present invention to provide a connection structure of a roof slat having watertightness and capable of easily performing a connection operation.

[0005]

According to the first aspect of the present invention, a connection projection 1b is formed at a place where the roof slats 3a, 3b of the tight frame 1a are connected, and an upper end of the roof slats 3a, 3b on the connection side. Is bent outward and substantially horizontally to form a horizontal portion 5
Is formed, and a water return portion 12 is connected to the tip of the horizontal portion 5 to connect the convex portion 1.
b to a height substantially equal to the height of the roof plate 3
a cap engaging portion 25 for engaging and holding a substantially inverted U-shaped cap 9 straddling the connecting portion of the roof plate members 3a, 3b;
The engaged portions 26 are formed at both ends of the
a, 3b are placed on the tight frame 1a, the water return portions 12, 12 are positioned on both sides of the connection convex portion 1b, and the closing plate 28 is connected to the water return portions 12, 12. The connection fitting 6 is placed on the connection projection 1b across the gap, and is placed on the closing plate 28.
Is mounted, the fixing tool 8 penetrating through the connection fitting 6 and the closing plate 28 is screwed into the connection projection 1b, the connection fitting 6 is fixed to the tight frame 1a, and the pressing part 7 is arranged above the horizontal part 5. It is characterized in that the engaged portion 26 of the cap 9 is engaged with the cap engaging portion 25.

The invention according to claim 2 is characterized in that a support portion 28a which is convex downward is formed on the closing plate 28, and the support portion 28a is inserted between the roof plate members 3a and 3b. . In the configuration of the first aspect, the roof plate material 3
The horizontal portions 5 and 5 of a and 3b are placed on the tight frame 1a, and the holding portion 7 of the connection fitting 6 is located on each of the horizontal portions 5 and 5 to effectively lift the roof plate materials 3a and 3b. Can be suppressed. In addition, the water return portions 12, 12 of the roof slats 3a, 3b adjacent to both sides of the connection protrusion 1b of the tight frame 1a are located, and the water return portions 12 are closed by the closing plate 28 placed on the connection protrusion 1b. Water return part 1 straddling, 12
While ensuring the watertightness between 2 and 12, and the cap 9 is covered above the closing plate 28, while aiming for double watertightness,
In particular, in the present invention, the closing plate 2 is provided on the connection projection 1b.
8 is screwed into the connection protrusion 1b, so that the connection fitting 6, which is placed through the connection piece 8, and the fixing tool 8 that penetrates the closing plate 28, is connected.
The blocking plate 28 can be fixed, and both roof plate members 3 can be fixed.
a, 3b can be connected, and the work of connecting the roof slats 3a, 3b can be performed easily, quickly, and reliably.

[0007] In the structure of the second aspect, the support portion 28a
Are interposed between the left and right roof slats 3a, 3b, and the roof slats 3a, 3 at a location where the tight frame 1a does not exist.
b can be prevented from falling down.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a first embodiment, in which roof plate members 3a and 3b formed of a metal plate such as a color iron plate are connected to ends on the connection side. An inclined standing piece 10 that is inclined is formed. Horizontal portions 5 and 5 are formed by bending the upper portion of the inclined standing piece 10 outward substantially horizontally. A substantially inverted U-shaped water return portion 12 is provided at the end of the horizontal portion 5.
Are formed. The roof slats 3a and 3b are long in the eaves direction and have a length of about 20 to 30 m, and a width orthogonal to the eaves direction is about 400 mm. Such a roof plate material 3
The upper and lower parts a and 3b are fixed to ridges at the upper ends thereof by bolts and the like, and are connected at the intermediate parts by connecting fittings 6 as described later, and are spaced from each other in the direction of the eave by about 1.5 to 2 m. It is possible to allow the thermal expansion and contraction of the roof slats 3a and 3b by sliding between the tight frame 1a, which is welded to the main building and attached in a direction substantially perpendicular to the ridge eaves, and the connection fitting 6. I can do it.

The connecting fitting 6 is short in the direction of the eaves. A through hole 13 is formed in the connection fitting 6. The lower end of the extended portion formed in a substantially inverted U-shape is an inclined holding portion 11, and the lower horizontal piece of the inclined holding portion 11 is a cap engaging portion 2.
It is set to 5. A holding portion 7 extends from the connection fitting 6. The connection protrusion 1b is formed integrally with the tight frame 1a. The connection protrusion 1b may be formed integrally with the tight frame 1a by welding or the like.

Thus, the horizontal portions 5 at both ends of the roof plate members 3a and 3b are placed on the tight frame 1a, and the vertical pieces of the inverted U-shaped water return portion 12 abut against the side surfaces of the connection convex portions 1b. ,
Positioning of both roof slats 3a, 3b, the roof slat 3
The interval between a and 3b is determined. Then, the connection protrusion 1b
The watertightness between the two water return portions 12 and 12 is ensured across the two water return portions 12 and 12 by the closing plate 28 placed on the water supply device.
The connection fitting 6 placed on the connection protrusion 1b via the blocking plate 28 and the fixing tool 8 of a self-drilling screw penetrating the blocking plate 28 are screwed into the connection protrusion 1b, so that the connection fitting 6 and the closing plate 28 are formed. The fixing of the roof panels 3a and 3b is performed, and the connection of the roof panels 3a and 3b is easily, quickly and reliably performed.

In this case, the inclined holding portion 11 is
It is positioned substantially vertically outward with a small gap between the inclined standing pieces 10a and 3b. Next, the arc-shaped cap 9 is covered and received by the cap engaging portion 25 formed on the inclined holding portion 11, so that the cap 9 is elastically held. In this case, the pressing portion 27 is
Is in contact with the outer surface of the

In this manner, the roof plate 3
a, 3b by pressing the substantially letter-shaped portions,
The floating of a and 3b can be effectively suppressed. Moreover, the cap 9 is pressed by the cap engaging portion 25 of the connection fitting 6, the inclined standing piece 10 is pressed by the pressing portion 27 of the cap 9, and rainwater infiltrates the connection portion along the roof plate members 3 a and 3 b. And to improve watertightness.

In this case, in the construction state, the holding portion 7 has a slight gap with the horizontal portion 5, and the inclined holding portion 11 has a small gap with the inclined standing piece 10. The contact between the roof panels 3a and 3b avoids damaging the paint film of the roof panels 3a and 3b and causing rust.
Is prevented from floating under negative pressure.

By the way, a long closing plate 28 is covered on the connecting portion of the roof slats 3a, 3b, and the long closing plate 28 covers the connecting portion of the roof slats 3a, 3b over the entire length. This prevents external air, for example, cold air from entering at the location, and prevents, for example, warm air from escaping from the interior, thereby making the connection location airtight. With this,
It is possible to avoid the formation of dew on the back surface of the cap 9, and to prevent rainwater rising from the inclined standing piece 10 from traveling along the horizontal portion 5 and the water return portion 12 from entering the connection portion of the roof plate members 3a, 3b. This improves the watertightness of the connection point 3b.

FIG. 2 is a sectional view of a portion where the tight frame 1a does not exist.
A U-shaped support fitting 30 having a shallow bottom is disposed at an appropriate place between the support fittings, and both ends of the support fitting 30 are placed on the upper ends of the water return portions 12 and 12 of the roof slats 3a and 3b, Roof 3a,
3b, the roof metal members 3a, 3
b is prevented from falling in the direction of arrow a. Such a support fitting 30 is fixed to the connection fitting 6 with rivets 31 on both sides. In the figure, the symbol P is a packing.

FIG. 3 shows another embodiment, in which a cap 9 is formed in a rectangular shape. The other structure is the same as that of the embodiment of FIG. And the detailed description is omitted. FIG. 4 is a cross-sectional view of a portion where the tight frame 1a does not exist in the embodiment of FIG. FIG. 5 shows still another embodiment, in which a cap 9 is formed in a square shape, and the other configuration is the same as that of the embodiment of FIG. 1, and the same components are denoted by the same reference numerals. The detailed description is omitted. However, FIG.
In the embodiment of the present invention, a support portion 28a that is convex downward is formed on the closing plate 28, and the support portion 28a is
a and 3b to prevent the roof slats 3a and 3b from falling down. In other words, the function of the above-mentioned support fitting 30 is added to the closing plate 28. In this case, the connection fitting 6 is formed in the same shape as the support 28a,
The connection fitting 6 is fitted into the closing plate 28 to enhance the function of the support portion 28a.

[0017]

According to the first aspect of the present invention, a connecting projection is formed at a position where the roof frame of the tight frame is connected, and the upper end on the connection side of the roof frame is bent outward and substantially horizontally to be horizontal. Form a part, raise the water return part at the end of the horizontal part to approximately the same height as the connection convex part, and hold the holding part that holds the horizontal part of the roof shingle on the connection fitting, and substantially reverse across the connection part of the roof shingle A cap engaging portion for engaging and holding a U-shaped cap is formed, engaged portions are formed at both ends of the cap, and each horizontal portion of the adjacent roof shingle is placed on a tight frame and each water portion is formed. Position the return portion on both sides of the connection protrusion, place the closing plate on the connection protrusion across the two water return portions, place the connection fitting on the blocking plate, and remove the connection fitting and the closing plate. Screw the fixing fixture that penetrates into the connection projection to fix the connection fitting to the tight frame, and push it up above the horizontal section. Since the engaging portion of the cap is engaged with the cap engaging portion, that is, each horizontal portion of the roof plate material is placed on the tight frame, and the connection fitting of the connection fitting is placed on each horizontal portion. There is an advantage that the holding portion is located and the floating of the roof slab can be effectively suppressed. In addition, each water return portion of the roof plate material adjacent to both sides of the connection protrusion of the tight frame is located, and the sealing plate placed on the connection protrusion straddles the water return portion and the water tightness between both water return portions Secure,
In addition, a cap is placed over the closing plate to achieve double water tightness. In particular, in the present invention, a connection fitting placed on the connecting projection via the closing plate, and a fixing penetrating the closing plate. By screwing the fitting into the connection projection, the connection fitting and the closing plate can be fixed, and both roof plate materials can be connected, so that the work of connecting the roof plate materials can be performed easily, quickly and reliably.

According to the second aspect of the present invention, the supporting portion is formed on the closing plate so as to protrude downward, and the supporting portion is inserted between the roof plate materials. Therefore, the support portion is interposed between the left and right roof plate materials. Therefore, there is an advantage that the roof sheet material can be prevented from falling down in a place where no tight frame exists.

[Brief description of the drawings]

FIG. 1 shows an embodiment of the present invention, and is a cross-sectional view of a tight frame portion in a direction perpendicular to a ridge direction.

FIG. 2 is a cross-sectional view in a direction orthogonal to a ridge direction at a place where no tight frame is present.

FIG. 3 shows another embodiment, and is a cross-sectional view of a tight frame portion in a direction orthogonal to a ridge direction.

FIG. 4 is a cross-sectional view in a direction orthogonal to a ridge direction at a place where the same tight frame does not exist.

FIG. 5 is a cross-sectional view of a tight frame portion in a direction orthogonal to the ridge direction, showing still another embodiment.

FIG. 6 is a cross-sectional view in a direction perpendicular to a ridge direction at a place where the same tight frame does not exist.

7A and 7B show a conventional example, in which FIG. 7A is a cross-sectional view and FIG. 7B is an explanatory view showing a problem.

[Explanation of symbols]

 1a Tight frame 1b Connection projection 3a Roofing plate 3b Roofing plate 5 Horizontal part 6 Connection fitting 7 Holding part 8 Fixing part 9 Cap 12 Water return part 25 Cap engaging part 26 Engaged part 28 Long closing plate

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[Procedure amendment]

[Submission date] August 11, 1997

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0016

[Correction method] Change

[Correction contents]

FIG. 3 shows another embodiment, in which a cap 9 is formed in a rectangular shape. The other structure is the same as that of the embodiment of FIG. And the detailed description is omitted. FIG. 4 is a cross-sectional view of a portion where the tight frame 1a does not exist in the embodiment of FIG. FIG. 5 shows still another embodiment, in which a cap 9 is formed in a square shape, and the other configuration is the same as that of the embodiment of FIG. 1, and the same components are denoted by the same reference numerals. The detailed description is omitted. However, FIG.
In the embodiment of the present invention, a support portion 28a that is convex downward is formed on the closing plate 28, and the support portion 28a is
a and 3b to prevent the roof slats 3a and 3b from falling down. In other words, the function of the above-mentioned support fitting 30 is added to the closing plate 28. In this case, the connection fitting 6 is formed in the same shape as the support 28a,
The connection fitting 6 is fitted into the closing plate 28 to enhance the function of the support portion 28a. FIG. 6A shows an embodiment of FIG.
In the form, where the tight frame 1a does not exist
FIG. 3 is a cross-sectional view in a direction orthogonal to the ridge eaves direction. FIG.
(B) shows still another embodiment, which is supported by a closing plate 28.
The function of the metal fitting 30 is provided, and other
The configuration is the same as that of the embodiment of FIG.
The same reference numerals are given and detailed description is omitted. In this embodiment
In this case, it is folded down over the entire length of the closing plate 28.
To form a pair of support pieces 28b, 28b in series.
A pair of support pieces 28b, 28b are connected to the water return portion 12 and the connection protrusion.
1b, where the tight frame 1a does not exist
In, the water return parts 12, 12 of the roof slabs 3a, 3b
It is designed to support and prevent falling.

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] Fig. 6

[Correction method] Change

[Correction contents]

FIG. 6 (a) shows a section where the tight frame of FIG. 5 does not exist.
Sectional view in a direction orthogonal to the ridge direction at the place, (b)
Shows still another embodiment, and the tight frame part
FIG. 3 is a cross-sectional view in a direction orthogonal to the eaves direction.

[Procedure amendment 3]

[Document name to be amended] Drawing

[Correction target item name] Fig. 6

[Correction method] Change

[Correction contents]

FIG. 6

Claims (2)

[Claims] 1. A connecting projection is formed at a place where a roof frame of a tight frame is connected, and an upper end on a connection side of the roof frame is bent outward and substantially horizontally to form a horizontal portion. At the tip, the water return part is raised to approximately the same height as the connection protrusion, and the connection fitting engages with the holding part that holds the horizontal part of the roof sheet material and the substantially inverted U-shaped cap that straddles the connection point of the roof sheet material. A cap engaging portion to be held is formed, engaged portions are formed at both ends of the cap, each horizontal portion of the adjacent roof plate is placed on a tight frame, and each water return portion is connected to both ends of the connection convex portion. Positioned aside, place the closing plate on the connecting protrusion straddling both the water return portions, place the connecting fitting on the closing plate, and connect the connecting metal and the fixing tool penetrating the closing plate to the connecting protrusion. And fix the fitting to the tight frame, place the holding part above the horizontal part, and Characterized in that the engaged portion of the cap is engaged with the roof plate material. 2. The connecting structure for a roof sheet according to claim 1, wherein a supporting part which is convex downward is formed on the closing plate, and the supporting part is inserted between adjacent roof sheets.