JPH0715202B2 - Structure with metal waterproof roof - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a structure for housing a metal waterproof roof made of a metal surface material, and in particular, a two-sided side joint portion is formed on both sides of a flat plate portion. In the metal waterproof roof constructed by laying the metal surface material such as the provided stainless steel plate and seam welding the adjacent side joints, for the accommodation of the ridge,
The present invention relates to a structure for housing a metal waterproof roof in which watertightness and airtightness are perfected by seam-welding the ridge-side joints of metal facings laid on both inclined surfaces of the ridge.

[Conventional technology]

BACKGROUND ART Conventionally, a metallic roof material such as a stainless steel plate is used to form a waterproof roof, wall, floor or the like.

There are various shapes of the metal facings used, but when laying roofs of various buildings, if the metal facings provided with the two-sided side joints on both sides are used, There is an advantage that it can be used not only for newly built roofs but also for repairing existing roof tile roofs.

Conventionally, the structure for housing the metal waterproof roof of this kind has been as follows. FIG. 5 is a perspective view of a metal waterproof roof made of a metal surface material provided with a two-sided side joint.

In the figure, 1, 1, ... Are metal face materials (hereinafter referred to as face materials) laid on the base material 2, 3 are side joints, 4 are ridges,
Numeral 5 is a building package.

The detailed structure of the building 4 in the building is shown in FIGS. 6 to 8. In FIG. 6, at the ridge-side ends of the face materials 1, 1 laid on the left and right inclined surfaces 2a, 2a of the base material 2, the end portions of the flat plate portions 6 are raised and the ridge-side joints 7 are formed. Is formed.

On the other hand, the face material 1 is provided with a side joining portion 3 having a two-stage structure in which both sides are previously bent in two stages. In this side joint part 3, 8 is a first rising part, 10 is an upper flat part formed by bending the upper end of the first rising part 8, and 11 is a vertically rising end of the upper flat part 10. This is the second startup section. Then, by seam welding 12 the second rising portions 11, 11 of the face materials 1, 1 laid next to each other in parallel, the left and right face materials 1, 1 adjacent to each other.
1 is watertightly and airtightly connected and a metal waterproof roof is laid.

A movable suspender is interposed between the second rising portions 11 and 11 at predetermined intervals.

This face material 1 is a seam weldable stainless steel plate,
As described above, the side joints 3 each including the first rising portion 8, the upper flat portion 10, and the second rising portion 11 are provided on both sides in advance.

Conventionally, the bending of the corner portion of the face material 1 has been performed as shown in FIG. That is, the first rising portion 8, the upper flat portion 10, and the second rising portion 11 which constitute the side joint portions 3 which are formed in advance on both sides of the face material 1 are formed on the bending lines 14, 15, and 16. It is bent along.

Next, the upper flat portion 10 and the cut-off portion 17 indicated by the diagonal lines at the end portions of the second rising portion 11 are cut off, and then one end of the flat plate portion 6 is bent along the valley fold line 18 to make the ridge. While forming the side joint portion 7, the corner portion is subjected to Yachiyo folding processing through the mountain fold line 20 and the valley fold line 21, and this Yachiyo fold portion 22 is subjected to spot welding 23 as shown in FIG. The ridge-side joint 7 is formed so as not to open.

Further, the face material 1,1 configured in this way does not have to be seam welded to the ridge-side joints 7,7 of the left and right face materials 1,1 in the ridge 4, as shown in FIG. The building 4 was separated from the building 4 by some distance, and the building wrap 5 and other members covered the building 4 in the meantime.

That is, in FIG. 8, 25 is the second rising portion of the face material 1.
11 is an angle piece fixed by spot welding, and 26 is a discard plate attached to the angle piece 25 via rivets 27. Further, both ends of the waste plate 26 are engaged with the both-end bent portions 28, 28 of the ridge wrapping 5 through the splashback 30.

[Problems to be solved by the invention]

In the structure for housing the metal waterproof roof with the metal facings 1, 1 having the conventional two-sided side joints 3 shown in FIGS. 7 and 8, the building package 5 is used to build the building 4. Covers.

However, in spite of the splashes 30 on the ridge wrap 5 and its ends, rainwater blown up from below easily infiltrates from both ends of the ridge wrap 5, and the face materials 1 located on the left and right sides of the ridge 4 are 1. 1
There was a problem that it leaked through the gap 31 between them to the back side of the face materials 1, 1 and leaked rain.

There is also a problem that rainwater blown up along the upper flat portion 10 of the face material 1 enters the attic through the gap 29 of the Yachiyo folding portion 22.

The present invention has solved the above-mentioned problems, and is a metal waterproof roof made of a metal face material in which two sided side joints 3 are provided on both sides of a flat plate portion without using a wrapping or the like. The purpose of the present invention is to provide a structure in which the water-tightness and airtightness of the ridge are perfected by seam-welding the ridge-side joints of the surface materials of both inclined surfaces in the ridge. .

[Means for solving problems]

In order to achieve the above-mentioned object, the metal waterproof roof according to the present invention is configured as follows.

That is, according to the present invention, a metal facing material including a two-sided side joining portion in which a first rising portion, an upper flat portion, and a second rising portion are sequentially provided on both sides of a flat plate portion is laid on a base material of a roof. Then, in the metal waterproof roof configured by seam-welding the second rising portions of the adjacent metal face members, the same first start-up is performed on the ridge-side end of the flat plate portion of the metal face members. Part, upper flat part,
A ridge-side joint portion having a two-stage structure in which a second rising portion is formed in order is provided, and the second rising portion located on the ridge side where the seam welding is performed is laid down sideways, and the ridge-side joint portion 2 Start-up along the start-up part, and contact the second start-up part of the ridge-side joint part of the metal surface materials facing each other through the ridge part and the start-up part along the same. The rising portions located along the ridge portion are integrally seam welded.

Furthermore, the metal face material may be formed by bending a single metal plate, and the corners where the first and second rising portions and the upper flat portion at both ends intersect each other are Thus, it is formed by bending along the folding line of the mountain fold and the valley fold and cutting off a part thereof.

That is, the metal surface material is provided with two valley fold lines and one mountain fold line, respectively, in parallel with the sides on both sides and the ridge-side end, and the innermost of each of these sides. The valley fold lines intersect at right angles to form the sides and ends of the flat plate portion.The end of each mountain fold line on each second side from the inside and the valley fold line on the innermost side of each side. A mountain fold line opened at a predetermined angle is formed up to the intersection point of, and a corner valley fold line extending outward through the midpoint of the left and right mountain fold lines and the intersection point of the innermost valley fold line. A parallel mountain fold line starting from the mountain fold line opened by the predetermined angle is formed in parallel with the corner valley fold line, and a valley fold line parallel to the outermost valley fold line on the side is formed. Formed on the upper end side, these valley fold lines are formed by bending the corner valley fold lines so that the parallel left and right mountain fold lines approach each other. Is provided so as to be continuous as a valley fold line, and by cutting the side edge near the upper end over a predetermined width, the cut edge and the outer edge of the side are formed by bending the corner valley fold line. The left and right parallel mountain fold lines are formed so as to be connected as a continuous edge when they approach each other, and are bent along the respective fold lines.

[Action]

A metal face material is laid on the inclined surface of the base material, and the second rising parts of the side joints provided on both sides of the face materials laid adjacent to each other are seam welded.

Next, the ridge side of the seam-welded second rising portion is once laid down sideways, and when the ridge-side joining portion is started at the ridge-side end portion of the surface material, it is started up integrally with this.

Furthermore, the ridge-side joints of similar face materials facing each other through the ridge are seam-welded.

〔Example〕

Hereinafter, an embodiment of a structure for housing a metal waterproof roof according to the present invention will be described with reference to FIGS. 1 to 4.

FIG. 1 is a perspective view of a roof ridge portion in which the present invention is implemented. 35 is a roof base material, 36 is a ridge, and 37 is each inclined surface 35a, 35a of a base plate.
It is a metal face material (hereinafter referred to as a face material) laid on the plate, which uses a plate material such as a seam weldable stainless steel plate. Reference numerals 38, 38 denote two-sided side joints formed on both sides of the face member 37.

That is, in this face material 37, 40 is a flat plate portion and 41 is a flat plate portion.
First rising part formed by bending both sides of 40, 42 is the first
An upper flat portion formed by horizontally bending the upper end of the rising portion 41, and a second portion 43 formed by bending the tip of the upper flat portion 42.
This is a rising portion, and such a side joint portion 38 is previously processed by a molding machine at the time of construction.

Then, by seam welding 44 the second rising portions 43, 43 of the side joints 38, 38 of the face materials 37, 37 laid next to each other, the space between the face materials 37, 37 is watertight, And they are airtightly connected.

Although not shown, a movable suspension is interposed between the second rising portions 43, 43 at predetermined intervals.

Further, in the face member 37, the ridge-side end of the flat plate portion 40 is bent upward to form a first rising portion 46, and the upper end of the first rising portion is bent horizontally to move upward. After forming the flat portion 47, the upper end of the upper flat portion 47 is further raised to form the second rising portion 48, and the ridge-side joint portion 45 having the same structure as the side portion joint portion 38 is formed.

Subsequently, the second rising portions 48, 48 of the other ridge-side joint portion 45 located on the inclined surfaces 35a, 35a facing each other through the ridge 36 are brought into contact with each other, and the second rising portion is also abutted. Seam welded 48,48 5
By paying 0, the house will be paid.

Incidentally, similarly, a movable suspension (not shown) is interposed between the second rising portions 48, 48 at predetermined intervals.

To further explain the details of this ward storage, as described above, the adjacent face materials 37, 37 are already the second rising portions of the side joint portions 38, 38.
43, 43 are connected by seam welding 44.

The ridge-side end of the seam-welded second rising portion 43, 43 is laid down sideways along the upper flat portion 47 of the ridge-side joint portion 45, and the tip end of the ridge-side joint portion 45 is The seam welding 50 is performed along the second rising portion 48 and the rising portion 51 is integrally welded to the second rising portion 48.

The surface members 37, 37, ... laid in this way are watertightly and airtightly connected in the ridge 36, and even if the conventional wrapping is not used, rain leaks in the ridge portion are prevented. It never happens.

As mentioned above, the face material 37 uses a stainless steel plate,
The detailed bending is performed by bending a single stainless steel plate into a predetermined shape and cutting it as shown in FIGS. 2 to 4.

This will be described in detail. FIG. 2 particularly shows a processed portion of a corner portion of the face material 37. In the figure, 40 is a flat plate portion of the face material 37, and 53, 54, 55 are valleys for forming the first rising portion 41, the upper flat portion 42, and the second rising portion 43 of the side portion of the surface material 37, respectively. A fold line, a mountain fold line, and a valley fold line are shown. Also 56,5
Reference numerals 7 and 58 denote end portions of the face material 37, which indicate valley fold lines, mountain fold lines, and valley fold lines provided at locations located on the ridge side, respectively.

The innermost valley fold lines 53, 56 on each side and end are at intersection 6
It is 0. Corner valley fold lines 61 are provided outward from the intersection 60 and in a predetermined angle direction. Further, with the intersection 60 as a starting point, and mountain fold lines 62, 63 opened at a predetermined angle on both sides of the corner valley fold line 61, the mountain fold lines 62, 63 are formed.
The tips 64 and 65 of 63 are the second valley fold lines 54 from the inner side,
Meet at one end of 57. Further, mountain fold lines 66, 67 are formed outward from the tips 64, 65 of the valley fold lines 62, 63 as the starting ends and parallel to the corner valley fold lines 61.

Reference numeral 68 is a cutout portion indicated by hatching. 70 is excision part 68
It is a valley fold line formed inside and parallel to. 71 and 72 are mountain fold lines, and 73 and 74 are valley fold lines.

Next, a description will be given of the order in which the face material 37 used for housing is folded by bending through the mountain fold lines and the valley fold lines. In FIG. 2, when the both sides of the corner valley fold line 61 are bent, two mountain fold lines 62 and 63 opened at a predetermined angle approach each other and two parallel mountain fold lines 66 and 67 approach each other. .

FIGS. 3 and 4 are perspective views showing this state from different angles. At this time, the end portions of the mountain fold lines 54, 57 located at right angles approach each other, and the space between the mountain fold lines 54, 57 and the valley fold lines 53, 56 rises to form the side joint 38. First riser 41 and first ridge side joint 45
The rising portion 46 is formed. At this time, the ends 75 and 76 of the two outer valley fold lines 55 and 70 are connected.

Then, the bent end 78 of the side edge 77 on the side joint portion 38 side is connected to the one end 81 of the cut line 80 of the cut portion 68. At this time, since the excision portion 68 travels from the side edge 77, a cut is made along the excision line 80 to excise the excision portion 68. In addition, in the state of FIG. 2, the excision portion 68 indicated by diagonal lines may be excised in advance.

After that, as shown in FIG. 4 (A), the outer side of the side joining portion 38 is raised through the valley fold line 55, and the second rising portion is raised.
Forming 43. Next, as shown in the figure, in a state in which the second rising portion 43 is raised over the entire length, the second rising portion 43 is brought into contact with the second rising portions 43 of the adjacent face members 37 and seam welded 44. Further, the outside of the valley fold line 58 on the ridge side is erected to form a second ridge-side portion 48 on the ridge side.

This state is shown by the dotted line in FIG. When forming the second rising portion 48, as shown in FIG. 4 (B), at the portion where the second rising portions 43 and 48 on the side and the ridge side intersect,
After laying down the second rising portion 43 of the side joint portion 38 once,
It is to be erected along the second erection section 48 on the ridge side, with 82 being the overturning section and 51 being the erection section.

When the mountain fold line 72 and the valley fold line 73 in FIG. 2 are bent as shown in FIG. 3, the mountain fold line 72 and the valley fold line 73 are located on the back side of the left end portion of the valley fold line 70. Then, when the second rising portion 43 of the side joint portion 38 is formed via the valley fold lines 55 and 70, each mountain fold line 72 and the valley fold line 72 are formed.
73 is folded into a mountain and a valley, respectively. Similarly, in the state of FIG. 3, the mountain fold line 71 and the valley fold line 74 in FIG. 2 are bent to form a mountain and a valley, respectively,
It is located along the back side of the upper flat part 47 on the ridge side.

In this way, the face member 37 is formed by bending a single piece of stainless steel plate or the like into a predetermined shape along each bending line and cutting off the residual portion generated at that time. At the time of construction, as shown in FIG. 1, on the left and right inclined surfaces of the roof, the second rising portions 43, 43 of the side joints 38 of the side members 37, 37 laid next to each other are seam welded 44. By doing so, the surface members 37, 37 can form a watertight and airtightly connected metal waterproof roof.

In this case, although not shown in the drawing, the upper end of the second rising portions 43, 43 to which the seam welding 44 has been applied is covered with a cap, or one of the second rising portions 43 is formed to be long. Then, this tip is folded back downward to form a folding portion, which is an optional matter such as a construction for preventing danger during work and preventing rainwater from collecting between the upper end joints of the second rising portions 43, 43. .

In the roof ridge 36, the face materials 37,3 laid on both slopes
After abutting the second rising portions 48, 48 of the ridge side joint portion 45 of 7, the second rising portions 48, 48 are seam welded 50 along the ridge 36. With this structure, the face members 37, 37 located on the ridge 36 so as to face each other on both inclined surfaces are also connected in a watertight and airtight manner.

Further, like the second rising portions 43, 43 of the side joint portion 38, a cap is fitted on the upper ends of the second rising portions 48, 48, or a cap portion is formed as an optional matter. is there.

Moreover, the side joints 38 and the ridge-side joints 45 that intersect each other at right angles to each other are provided between the first rising portions 41 and 46, the upper flat portions 42 and 47, and the second rising portions 43 and 48, respectively. Since it is formed by bending along the mountain fold line and the valley fold line shown in the figure, there are no cuts or gaps in the front and back directions at the corners of the face material 37.
Therefore, no rain leak occurs at the corners of the face material 37.

In order to carry out the present invention for repairing an existing roof tile roof, the side joints of the present invention are covered at the position of the existing roof tile roof, and a face material is laid to provide a new metal waterproofing. The roof can be configured.

〔The invention's effect〕

As described above, according to the structure for housing the metal waterproof roof according to the present invention, it is possible to seam weld the roof plates laid on both inclined surfaces of the roof in a watertight and airtight manner along the ridge. it can.

Moreover, there are no gaps or cuts in the ridge that lead to the front and back of the roof, and rain leakage in the ridge can be completely prevented. In particular, at the corners where the first and second rising parts and the upper flat part on both sides of the face material intersect with the ridge side, there are no gaps or cuts leading to the front and back of the face material, and even in this part, the conventional It was possible to completely prevent the possibility of rain leaks.

[Brief description of drawings]

FIG. 1 is a perspective view of a structure for housing a metal waterproof roof according to the present invention, FIG. 2 is a partial plan view showing a bent mode of a metal facing used in the present invention, and FIG. 3 is the same metal facing. FIG. 4 (A) and (B) are partial plan views showing a mode in which a part of is bent, and perspective views of the mode in which the same metal surface member is being bent along a bending line as seen from different angles. Fig. 5 is a schematic perspective view of a conventional metal waterproof roof, Fig. 6 is an exploded perspective view of the structure housed in the same building, and Fig. 7 is a perspective view showing a bent state of a corner portion of the same metal face material, FIG. 8 is a side view of the same building. 35 ... Base material, 35a ... Inclined surface, 36 ... Building, 37 ... Metal surface material, 3
8 ... Side joining part, 40 ... Flat plate part, 41, 46 ... First rising part, 4
2,47… Upper flat part, 43,48… Second rising part, 44,50… Seam weld part, 45… Wing side joint part, 51… Starting part, 53,55,56,5
8,70,73,74 ... valley fold line, 54,57,62,63,66,67,71 ... mountain fold line, 60 ... intersection, 61 ... corner valley fold line, 64, 65 ... tip, 68 ...
Cutouts, 75,76 ... ends, 77 ... side edges, 80 ... cutting lines, 82 ... sideways.

Claims (2)

[Claims] 1. A metal surface material comprising a two-stage side joining portion in which a first rising portion, an upper flat portion, and a second rising portion are sequentially provided on both sides of a flat plate portion is laid on a base material of a roof. Then, in the metal waterproof roof configured by seam welding the second rising parts of the adjacent metal face members, the same first start-up is performed on the ridge side end of the flat plate part of the metal face members. Section, an upper flat section, and a second rising section are formed in this order, and a ridge-side joint section having a two-stage structure is provided, and the second rising section located on the ridge side subjected to the seam welding is laid down sideways, and A second rising portion of the ridge-side joint portion of the metal facings that face each other through the ridge portion and are erected along the second ridge portion of the ridge-side joint portion;
A structure for housing a metal waterproof roof in a ridge, wherein the rising parts along the ridge are brought into contact with each other, and the respective rising parts located along the ridge are integrally seam welded. 2. The metal surface member is provided with two valley fold lines and one mountain fold line in parallel with each side of the plate surface and on each side of the edge, and the innermost side of each side. Each valley fold line intersects at a right angle to form the side and end of the flat plate part.The end of each mountain fold line on each second side from the inner side and the innermost valley of each side A mountain fold line opened at a predetermined angle is formed at the intersection of the fold lines, and a corner valley fold extending outward through the midpoint of the left and right mountain fold lines and the intersection of the innermost valley fold line. A line is formed, and a parallel mountain fold line starting from the mountain fold line opened at the predetermined angle is formed in parallel with this valley fold line, and the valley fold parallel to the outermost valley fold line of the side portion is formed. Lines are provided on the upper end side, and each of these valley fold lines is formed by bending the corner valley fold lines and bringing the left and right parallel mountain fold lines closer to each other. The cutting edge and the outer edge of the side part are formed by cutting the side edge near the upper end over a predetermined width so that the corner valley fold line is bent and the left and right sides are parallel to each other. The ridged structure of a metal waterproof roof according to claim 1, wherein the mountain fold lines are formed so as to be connected as a continuous edge when they approach each other, and are folded along each of the fold lines. .