JP2750091B2 - Waterproof structure at the joint of metal roofing material - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof structure at a connecting portion of a flat metal roofing material.
In particular, the present invention relates to a technique for avoiding clogging of a gutter-shaped member for drainage, performing good drainage, and firmly fixing the gutter-shaped member.

[0002]

2. Description of the Related Art Conventionally, in order to waterproof a connection portion of a flat metal roofing material, for example, Japanese Unexamined Patent Publication No. Hei.
No. 53, a gutter-like member 9 'having a substantially U-shaped cross section is provided between metal roofing materials A', A ', and the suspension members 6' are spaced apart in the longitudinal direction of the gutter-like member 9 '. , The fixing pieces 3 ′, 3 ′ at both ends of the suspension 6 ′ are fixed to the roof foundation 8 with bolts b, the gutter-like member 9 ′ is pressed by the suspension 6 ′, and the metal roof The pressed portion 14 'of the material A' is pressed and held by the connection pressing piece 25 'of the hook 6', and then the metal roof material A ',
The cap 12 having a substantially inverted U-shaped cross section is fitted between A '.

[0003]

However, in such a structure, since the suspension members 6 'are arranged inside the gutter-like member 9' at intervals in the longitudinal direction thereof, the gutter-like member 9 'is provided. There is a problem that dirt or the like gets caught on the suspension portions 6a '... Disposed at the bottom of the member 9' and grows and greatly impedes drainage in the gutter-like member 9 '. Further, since the bottom surface of the gutter-like member 9 'is mainly held down and held on the roof foundation 8 by the hooks 6', the holding strength of the gutter-like member 9 'is difficult to increase.

The present invention has been made in view of such a problem, and an object of the present invention is to make sure that drainage at a connection portion of a metal roofing material is drained, and in particular, a gutter for drainage. It is an object of the present invention to provide a waterproof structure at a connection point of a metal roofing material that can prevent clogging of members, satisfactorily drains water, and can firmly fix a gutter-shaped member.

[0005]

According to the first aspect of the present invention, the connecting pieces 2 and 2 are hung down on both side ends of the roofing material main body 1 and a pressed portion 14 is formed at the tip of the connecting piece 2 to form a metal roof. The material A is configured, the upright piece 4 is erected on the fixed piece 3, the horizontal horizontal piece 5 is extended from the upper end of the upright piece 4 to the opposite side to the fixed piece 3, and the connection hold down is made from the tip of the horizontal horizontal piece 5. A piece 25 is hung down, and a holding portion 7 is formed on the connection holding piece 25 to form a hanging member 6. A pair of hanging members 6 is provided on each of the fixed pieces 3 and 3 so that the connection holding pieces 5 and 5 face each other. , 6 are fixed to a roof base 8, and both side walls 1 of a gutter-like member 9 having a substantially U-shaped cross section.
The upper ends of 0 and 10 are held down by the horizontal pieces 5 of the hanging members 6, and the gutter-like members 9 are pressed and fixed to the roof base 8, and the right and left holding portions 7 of the hanging members 6 are fixed to the right and left sides. The substantially U-shaped pressed portions 14, 14 of the connection pieces 2, 2 of the metal roofing material 1, 1 are inserted , and both side walls 11, 14 of the cap 12 having a substantially inverted U-shaped cross section .
11 is elastically contacted with the connecting pieces 2 and 2 of the adjacent metal roofing materials A and A, and the engaging portions 24 and 24 formed on the cap 12 and having a substantially rectangular cross section are elastically inserted into the pressed portions 14 and 14. It is characterized by being performed.

In the second aspect, the side wall 1 of the gutter-like member 9 is provided.
It is characterized in that 0 and 10 are pressed by the upright pieces 4 of the suspension 6.

[0007]

According to the first aspect, when the gutter-like member is fixed, both side walls of the gutter-like member arranged long in the eaves ridge direction are used.
Hold the upper end of 0, 10 with the horizontal piece 5 of the suspension 6
The hanger 6 is fixed to the roof foundation 8 at the fixing piece 3, and the bottom surface of the gutter-like member 9 is pressed against the roof foundation 8 and fixed. In this case, the suspension 6 does not exist inside the gutter-like member 9, especially on the bottom surface. Therefore, when drainage is received and leaked at the connection point between the metal roofing materials A, A, there is nothing inside the gutter-shaped member 9 and no clogging occurs inside the gutter-shaped member 9, and drainage can be performed well. Do it. A pair of suspenders 6 are used on both sides of the gutter-like member 9. The side walls 10, 10 of the gutter-like member 9 are securely held and fixed by the pair of suspenders 6, 6.
The gutter-like member 9 can be firmly held. In addition, the metal roofing material 1 is attached to the substantially U-shaped pressing portion 7 of the suspension 6.
The U-shaped holding portion 14 is inserted, and the cap 12
The square-shaped engagement portion 24 is formed on the pressed portion 14 of the metal roofing material 1.
The metal roofing materials A, A are connected by being inserted.

In the second aspect, the side wall 1 of the gutter-like member 9 is provided.
0 and 10 are pressed by the upstanding pieces 4 of the hanging members 6, and the pair of hanging members 6 and 6 arranged on both sides of the gutter members 9
More firmly.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a cross-sectional view after construction, and FIG. 2 shows a metal roofing material A, a cap 12, a gutter-like member 9, and a suspension 6. The metal roofing material A is long from the ridge to the eaves, and the connection pieces 2 and 2 extend down from both ends of the flat roofing material main body 1. In the vicinity of the lower end of the connection piece 2, a pressed portion 14 which is opened outward and bent in a substantially U-shape is formed. In the metal roofing material A, the bending angle of the connection pieces 2 and 2 with respect to the roofing material main body 1 can be changed .

Both side walls 10 of a gutter-like member 9 having a substantially U-shaped cross section,
At the upper end of 10, a horizontal piece 17 and a vertical piece 18 are formed by bending. In the suspension 6, the standing piece 4 is erected on the substantially horizontal fixed piece 3, the horizontal horizontal piece 5 extends from the upper end of the rising piece 4, and the connection holding piece 25 hangs down from the upper end of the horizontal horizontal piece 5, The connection holding piece 25 is formed with a substantially U-shaped holding portion 7 that opens outward. Such a suspension 6 may be longer or shorter in the eaves ridge direction .

The roof base 8 is provided with a heat insulating material 21 on a purlin 20 using, for example, a channel material.
The roofing 22 is laid on the top. As the heat insulating material 21, concrete, steel frame, or the like can be used, but another material such as wood wool cement can be used.
A heat insulating material 23 having a thickness substantially equal to the height of the gutter-like member 9 is laid on the lower surface of the flat roofing material body 1 so as to support a load applied on the flat roofing material body 1. It is. The heat insulating material 23 is preferably a foamed resin or a wooden wool board, but may be made of another material.

When the gutter-like member 9 is fixed, the gutter-like member 9 which is long in the direction of the eaves ridge is disposed on the roof base 8 at the connection point of the metal roofing materials A, A, and both sides of the gutter-like member 9 are provided. The horizontal pieces 17 and the vertical pieces 18 at the upper end portions of both side walls 10 and 10 of the gutter-like member 9 are pressed by the horizontal horizontal pieces 5 and the pressing portions 7. Then, the screw 19 is fixed to the fixing piece 3 of the suspension 6 by the roofing 22, the heat insulating material 21 and the purlin 2.
0 and fixed. In this manner, the bottom surface of the gutter-like member 9 is pressed and fixed to the roof foundation 8. In this case, the suspension 6 does not exist inside the gutter-shaped member 9, especially on the bottom surface.

Next, the metal roofing material A is laid on the heat insulating material 23, and the pressed portion 14 of the connecting piece 2 is engaged with the pressing portion 7 of the suspension 6. Then, both side walls 11, 11 of the cap 12 are elastically contacted with the connection pieces 2, 2 of the adjacent metal roofing materials A, A, and the cap 12 having a substantially inverted U-shaped cross section is connected to the metal roofing materials A, A. , And the upper surface piece 13 of the cap 12 is made substantially flush with the roofing material body 1.
In this case, the substantially rectangular engagement portions 24, 24 at the lower ends of the side walls 11, 11 of the cap 12 are elastically inserted into the pressed portions 14 of the metal roofing material A. As described above, the substantially U-shaped pressed portions 14 of the connecting pieces 2 of the left and right metal roofing materials 1 are inserted into the substantially U-shaped pressing portions 7 of the suspension 6, and the cross section formed on the cap 12 is substantially formed. The square-shaped engagement portion 24 is inserted into the pressed portion 14 of the metal roofing material 1 to connect the metal roofing material 1.
It is now.

As described above, there is nothing in the gutter-like member 9 to receive and drain water at the connecting portion of the metal roofing materials A, A, and the clogging does not occur in the inside. In addition, drainage can be performed well.
In addition, a pair of hanging members 6 are used on both sides of the gutter-shaped member 9, and the side walls 10, 10 of the gutter-shaped member 9 are securely held and fixed by the pair of hanging members 6, 6. There is an advantage that holding of the shape member 9 can be performed firmly. Further, since the side walls 10 and 10 of the gutter-like member 9 are pressed by the upstanding pieces 4 of the hanger 6, the pair of hanger 6 and 6 provided on both sides of the gutter-like member 9 prevent the gutter-like member 9 from moving. The fixation can be performed more firmly.

[0015]

According to the first aspect of the present invention, a connecting piece is hung on both side ends of the roofing material main body, and a pressed portion is formed at a tip end of the connecting piece to form a metal roofing material. The horizontal piece extends from the upper end of the standing piece to the opposite side of the fixed piece, the connection piece is suspended from the tip of the horizontal piece, and a holding part is formed on the connection piece to suspend it. When the gutter-shaped member is fixed, the upper ends of both side walls of the gutter-shaped member arranged long in the eaves ridge direction
It is held down by a horizontal transverse piece , the suspension is fixed to the roof foundation at its fixed piece, and the bottom surface of the gutter-like member is pressed and fixed to the roof foundation, and in this case, the inside of the gutter-like member, especially on the bottom surface Since there is no hanging member, the drainage can be satisfactorily performed without causing clogging inside, and a pair of hanging members is used on both sides of the gutter-shaped member. Thus, there is an advantage that the side wall of the gutter member can be securely held and fixed, and the gutter member can be held firmly. In addition, the U-shaped
Substantially U-shaped of the pressing portions of the left and right metal roofing connection piece pressing section is inserted, TamaIri engagement portion of cross-section formed in the cap is substantially hollow square shape in the pressing portion of the metal roofing Been gold
Connection of metal roofing materials can be made.

In the second aspect, the side wall of the gutter-shaped member is pressed by the upright piece of the gutter, so that the gutter-shaped member is more firmly fixed by the pair of hanger arranged on both sides of the gutter-shaped member. There is an advantage that can be performed.

[Brief description of the drawings]

FIG. 1 is a sectional view showing an embodiment of the present invention.

2A is a perspective view of a metal roofing material, FIG. 2B is a perspective view of a cap, FIG. 2C is a perspective view of a gutter-like member, and FIG.

FIG. 3 is a sectional view of a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Roof material main body 2 Connection piece 3 Fixing piece 4 Standing piece 5 Horizontal side piece 6 Hanger 7 Holding part 8 Roof base 9 Gutter-like member 10 Side wall 11 Side wall part 12 Cap 13 Upper surface piece 14 Covered part 25 Connection holding piece

Claims (2)

(57) [Claims] 1. A connecting piece is hung on both side ends of a roofing material main body, and a pressed portion is formed at a tip end of the connecting piece to form a metal roofing material. The horizontal horizontal piece extends from the upper end of the piece to the opposite side of the fixed piece, and the connection holding piece hangs down from the tip of the horizontal horizontal piece. In each fixed piece, a pair of hangers is fixed to the roof foundation so that the holding pieces face each other, and the upper ends of both side walls of the gutter-like member having a substantially U-shaped cross section are pressed by the horizontal horizontal pieces of the hangers. The gutter-shaped member is pressed against the roof base and fixed, and the U-shaped retainer of the suspension is
Part the pressing portion of the substantially U-shaped left and right metal roofing connecting pieces are inserted in, the bullet connection piece of the metal roofing material side walls of the cross section substantially inverted U-shaped cap is in contact with adjacent <br/> A waterproof structure at a connecting portion of a metal roofing material, wherein an engaging portion which is in contact with and has a substantially U-shaped cross section formed on a cap is elastically inserted into the pressed portion. 2. The waterproof structure at the connection part of a metal roofing material according to claim 1, wherein the side wall of the gutter-like member is pressed by the upright piece of the hanging member.