JP2000027380A - Roof structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a leak in the roof from a connecting section in the lateral direction of a folded-plate roof material surely in the roof of a lateral roofing construction method. SOLUTION: The side end sections of folded-plate roof materials 1 continuously connected in the lateral direction are fitted mutually to each bent section 13a, 13b formed at both side end sections of the folded-plate roof materials 1. Gutters (or covers) covering the abutting places (or superposing surfaces) of a pair of retaining pieces 23a, 23b and the bent sections 13a, 13b are connected by using an integrally formed connecting member 2. Connecting sections in the lateral direction of the folded-plate roof materials 1 surely prevent leakage to the indoor side.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roof structure, and more particularly to a roof structure of a horizontal roof using a folded-plate roof material.

[0002]

2. Description of the Related Art As a method of roofing with a folded plate such as a steel plate or an aluminum plate, a vertical roofing method and a horizontal roofing method are generally known.

In the vertical roofing method, folded roof materials are bent in such a manner that the center in the width direction (horizontal direction of the roof surface) is a valley and both ends are ridges, and the roof material is successively arranged along the horizontal direction of the roof surface. A method of laying the roof without nailing, bolting, etc., by arranging and connecting the side ends of the folded shingle roofing material via a hook.

On the other hand, according to the horizontal roofing method, a folded plate roofing material having connection bent portions formed at a ridge side end and an eaves side end is arranged in a character shape on a roof structure, and the roof surface is inclined in a slope direction. The adjacent folded sheet roofing material is suspended by fitting the bent part at the ridge side end of one piece of folded sheet roofing material to the bent part at the eaves side end of the other folded sheet roofing material and connecting it. It is a method of roofing without using a child. In this horizontal roofing method,
In many cases, the joints (horizontal joints) of folded-plate roofing materials that are installed in the horizontal direction of the roof surface are simply made by overlapping the side edges of the folded-sheets. Is set to, for example, about 50 mm.

[0005]

By the way, according to the roof by the horizontal roofing method as described above, there is usually no problem. However, when the wind and rain are severe, for example, when a large typhoon approaches, the roof of the folded plate roof material is not used. Rainwater infiltrates the overlapping part in the direction,
Rarely, rain leaks into the room.

The present invention has been made in view of such circumstances, and has a roof structure capable of reliably preventing rain from leaking from a horizontal joint of a folded-plate roof material in a roof of a roofing method. For the purpose of providing.

[0007]

In order to achieve the above object, according to the first aspect of the present invention, connecting ridges are formed at a ridge end and an eaves end, and both ends are formed at both ends. A plurality of folded plate roofing materials having a bent portion formed on the lower surface side are arranged on the roof structure, and the folded plate roofing materials adjacent to each other in the roof surface inclination direction are attached to one of the folded plate roofing materials. The bent part of the eave-side edge of the other folded-plate roof material is fitted and connected to the bent part of the ridge-side edge, and the ends of the bent parts of the folded-plate roof material that are adjacent to each other in the horizontal direction of the roof surface In a state where the parts are butted together, the folded plate roofing material is connected by a connecting member integrally formed with a locking piece fitted into each bent part and a gutter covering the butted position of the bent part from below. It is characterized by being connected.

According to the first aspect of the present invention, the lateral joint (butting portion) of the folded-plate roofing material is
Even if rainwater enters, the rainwater is caught by the gutter of the connecting member and does not fall on the roof structure. Also, the rainwater that has fallen on the gutter flows to the eaves side along the gutter, and is near the connection with the bent portion of the folded plate roof material one row below (A
Part), where it evaporates spontaneously or flows to the surface side of the shingle roof material one row below, so that rainwater does not reach the roof structure side.

Further, in order to achieve the same object, a second aspect is provided.
According to the invention described in (1), a bent portion for connection is formed at the ridge side end and the eaves side end, and a bent portion bent to the lower surface side at one side end is overlapped with the other side end. A plurality of folded plate roof materials, each having a step portion and a bent portion bent on the lower surface side, are arranged on the roof structure, and the folded plate roof materials adjacent to each other in the roof surface inclination direction are one of them. The bent part at the ridge side end of the folded sheet roof material is fitted with the bent part at the eaves side end of the other folded plate roof material and connected, and the folded sheet roof materials adjacent to each other in the horizontal direction of the roof surface are connected. In a state in which the bent portions are overlapped, the folded plate roofing material is connected integrally with a locking piece fitted into each bent portion and a cover that covers the overlapping surface of the bent portions. It is characterized by being connected by members.

According to the second aspect of the invention having the above structure, the lateral joint (overlapping portion) of the folded plate roofing material is provided with:
Even if rainwater enters, the rainwater is received by the cover of the connecting member and does not fall on the roof structure. Also, the rainwater that has fallen on the gutter flows to the eaves side along the cover, as before, and accumulates near the connection with the bent part of the folded plate roof material one row below, where it evaporates naturally. Alternatively, the rainwater does not reach the roof structure side because it flows to the surface side of the folded plate roofing material one row below.

According to the first and second aspects of the present invention, if the bent portions provided at both end portions of the folded-plate roofing material are subjected to corrugation processing, the connecting members to be fitted into the bent portions are engaged. The contact area with the stop piece is reduced, and workability when fitting the locking piece of the connecting member is improved.

The roof structure referred to in the specification of the present invention refers to a rafter, a field board, or an alternative roof structure.

[0013]

Embodiments of the present invention will be described below with reference to the drawings.

First, a folded plate roof material and a connecting member used in the first embodiment of the present invention will be described with reference to FIGS.

The folded plate roofing material 1 is a horizontally long member obtained by bending a plate material such as a steel plate or an aluminum plate, and as shown in FIG. )
Bends 11 and 12 for connection are formed at ends (eave-side ends) on the eaves side.

The bent portion 11 at the ridge end comprises a fixing piece 11a nailed to the roof structure 10, and a locking recess 11c formed from the fixing piece 11a through a mountain-shaped inclined portion 11b. I have. In addition, the bent portion 12 at the eave side end has an inclined piece 12a that is bent downward at approximately 45 °, and the inclined piece 1a.
A horizontal piece 12b extending inward from the lower end of the horizontal piece 12a and a locking projection 12c formed at the end of the horizontal piece 12b. It is machined into a shape that fits with the locking recess 11c of the bent portion 11 at the side end. Also, as shown in FIG. 3, bent portions 13a and 13b bent toward the lower surface are formed at both lateral ends (horizontal direction of the roof surface) of the folded-plate roofing material 1.

In the horizontal roofing method, as shown in FIG. 1, the folded-plate roofing material 1 is usually laid so that the horizontal joints of the folded-plate roofing material 1 are arranged in a staggered manner. When actually constructing the roof, in addition to the full length (for example, 1200 mm), the half length (600 mm) of the folded plate roof material 1 is also prepared.

On the other hand, the connecting member 2 is a member formed by bending a plate material such as a steel plate, and is used for joining (connecting) the folded roof material 1 in the horizontal direction. The connecting member 2 is, as shown in FIG.
A gutter (gutter) 21 having a dish-shaped cross section, folded pieces 22a and 22b folded inward from both ends of the gutter 21, and a locking piece 2 fitted into the bent portions 13a and 13b of the folded plate roofing material 1.
3a and 23b are integrally formed, and when the folded sheet roof material 1 is connected, as shown in FIG.
The ends of a and 22b are processed so as to hit the folded-plate roofing material 1. The total length of the connecting member 2 is substantially equal to the length of the bent portions 13a and 13b on the lower surface of the folded plate roofing material 1.

Next, the construction procedure of the present embodiment will be described with reference to FIG. First, an eaves starter (not shown) in which an engaging portion to which the bent portion 12 at the eaves-side end of the folded-plate roof material 1 is hooked is fixed to the eaves of the roof structure 10 by nailing or the like.

Now, the base point for roofing, that is, the roof structure 10
The folded plate roofing material 1 is carried to the one end in the roof surface horizontal direction at the eaves-side end of the eaves side, and the bent portion 12 is placed on the roof structure 10 while being hooked on the eaves starter. Is nailed to the roof structure 10 (see FIG. 5). The next folded sheet roof material 1 is arranged next to the folded sheet roof material 1 on which the construction is completed, the bent portion 12 is hooked on the eaves starter, and the side end of the folded sheet roof material 1 is firstly constructed. The roof structure 10 in a state where the roof structure 10
Place on top.

Next, as shown in FIG. 1, the connecting member 2 shown in FIG. 4 is moved to the abutting position of these two folded plate roofing materials 1, and the gutter 21 of the connecting member 2 is moved to the folded plate roofing material. 1 and a pair of locking pieces 23
a and 23b are respectively bent at the bent portions 13 of the folded roof material 1.
After the connecting member 2 is pushed in the inclined direction of the roof surface to connect the two folded plate roofing materials 1 with the upper end portions of the a and 13b aligned, the folded plate roofing material 1 thus connected is nailed. I do.

Thereafter, similarly, the folded plate roofing materials 1 are sequentially arranged in the horizontal direction of the roof surface, and the nailing of each folded plate roofing material 1 and the adjacent folded plate roofing material 1 are performed in the above-described manner. When the connection is performed and the construction of the folded sheet roof material 1 up to the other end in the horizontal direction of the roof surface is completed, the process moves to the second row. 2nd row and 3
The work following the row is performed in the following procedure.

First, a folded plate roof material (half size) 1 is provided at one end of the roof surface in the horizontal direction, and a bent portion 12 at the eaves end of the folded plate roof material 1 is constructed in the first row. 1 is overlapped with the bent portion 11 at the ridge side end, and the locking convex portion 12c at the eave side end is fitted into the locking concave portion 11c at the ridge side end,
The folded row roofing materials 1 in the first and second rows are interconnected, and the folded row roofing materials 1 in the second row are nailed to the roof structure 10. Next, the folded plate roofing material (full size) 1 is arranged sideways, and the bent part 12 at the eaves side end is placed in the first row of the folded plate roofing material 1.
In the ridge-side end of the building, and the side end of the folded-plate roofing material 1 is brought into contact with the side end of the folded-sheet roofing material 1 already constructed. 1 for roof structure 10
put on top.

Then, the connecting member 2 is moved to the abutting position of the two folded plate roof materials 1, the gutter 21 of the connecting member 2 is disposed below the folded plate roof material 1, and a pair of locking pieces is provided. With the ends of 23a and 23b aligned with the upper ends of the bent portions 13a and 13b of the folded-plate roofing material 1, respectively, the connecting member 2 is pushed in the roof surface inclination direction,
After connecting the two folded plate roofing materials 1, the connected folded plate roofing material 1 is nailed. Thereafter, similarly, the folded-plate roofing materials 1 are sequentially arranged in the horizontal direction of the roof surface, and the nailing of each folded-plate roofing material 1 and the adjacent folded-plate roofing material 1 are performed in the manner described above.
Then, the third row, the fourth row, etc. are sequentially constructed in the same manner.

According to the above-described embodiment, the connection of the folded plate roofing material 1 continuously provided in the roof inclined direction is performed by connecting the bent portion 11 of one folded plate roofing material 1 to the other folded plate roofing material 1. Bending part 12
It is only necessary to insert the connecting member 2 into the folded-plate roofing material 1 connected in the horizontal direction of the roof surface. Therefore, any connecting work can be easily performed.

Moreover, since the gutter 21 is integrally formed on the connecting member 2 for connecting the side end portions of the folded-plate roof material 1, even if rainwater enters the butted portion of the folded-plate roof material 1, The rainwater is received by the gutter 21 and the roof structure 1
It never falls to zero. The rainwater that has fallen on the gutter 21 flows toward the eaves along the gutter 21 as shown in FIG.
Along the slope of the inclined portion 11b of the bent portion 11 (the left slope in FIG. 5), accumulates in the portion A shown in the figure, and evaporates naturally there, or the front side of the folded sheet roof material 1 one row below Rainwater does not reach the roof structure 10 side.

In the above embodiment, the connecting member 2
Is inserted into the butted portion of the folded-plate roofing material 1, the ends of the folded pieces 22 a and 22 b of the connecting member 2 abut against the lower surface of the folded-plate roofing material 1, and each folded-plate roofing material 1 is supported. As a result, the strength of the connecting portion in the direction is reinforced, and a step or the like is hardly generated between the two folded plate roofing materials 1 at the connecting portion. There is also an advantage of being flat (flat).

Here, as the connecting member used in the first aspect of the present invention, various forms other than those shown in FIG. 4 can be considered. Some examples are shown in FIGS.

The examples of FIGS. 7 and 8 are obtained by bending a single plate in the same manner as the connecting member of FIG. 4 described above. Locking pieces 223a, 223 fitted into bent portions 13a, 13b
b and 323a, 323b are integrally formed,
The respective locking pieces 223a, 223b and 323a, 323
It is characterized in that reinforcing pieces 222a, 222b and 322a, 322b extending sideways from b.

9 and 10 show the gutters 421, 5
21 and locking pieces 423a, 423b and 523a, 523b fitted into the bent portions 13a, 13b of the folded-plate roofing material 1.
This is characterized in that the members integrally formed with the reinforcing member pieces 424, 524 manufactured by another bending process are combined to form one connecting member 402, 502 as a whole.

Next, an embodiment of the present invention will be described below. The folded plate roofing material used in this embodiment has basically the same structure as that shown in FIGS. 2 and 3, but the shape of the both ends of the folded plate roofing material is different.

That is, as shown in FIG. 11, the folded plate roofing material 101 used in this embodiment has a bent portion 113a at one side end similar to that of the previous embodiment. A step 134 having a depth corresponding to the height of one bent portion 113a is formed at the other side end.
4, a bent portion 113b of one of the two folded roof members 101 of the two adjacent folded roof members 101 is connected to the other of the folded roof members 101, as shown in FIG. By superimposing on the step 114 of the material 101, these two
The surface of the folded sheet roofing material 101 is configured to be flush (flat).

Further, the connecting member 1 used in this embodiment
Reference numeral 02 denotes a member obtained by bending a plate material such as a steel plate as shown in FIG.
1 and locking pieces 122, 123 folded inward from the open end of the U-shape of the cover 121. One of the locking pieces 122 is folded in its entirety. The other locking piece 123 is fitted into the bent portion 113a of the plate roofing material 101, and a part of the other locking piece 123 is bent.
3b.

In this embodiment, the folded portion 113a of one of the two folded roof members 101 is connected to the other one of the folded roof members 10.
1 on the step 114, and these two folded roof materials 10
By inserting the connecting member 102 into the overlapped portion in a state where the first bent portions 113a and 113b are overlapped, the two folded plate roof materials 101 can be connected to each other, and furthermore, the folded plate roof can be connected. The overlapping surface of the bent portions 113a and 113b of the material 101 is attached to the cover 1 of the connecting member 102.
21.

Therefore, also in this embodiment, even if rainwater enters the horizontal joint of the folded-plate roofing material 101, the leaked water reaches the roof structure 10 by the same operation as the previous embodiment. This can be reliably prevented.

In this embodiment, except that the folded-plate roof material 101 is connected using the connecting member 102, a roofing roof can be constructed in the same manner as the construction method described above. A detailed description thereof will be omitted.

In each of the above embodiments, FIG.
As exemplified in FIG. 3, if the bent portions 13a 'and 13b' provided at both end portions of the folded plate roofing material 1 are processed into a corrugated shape,
The contact area of the connecting member fitted to the bent portions 13a 'and 13b' with the locking piece is reduced, and workability when fitting the locking piece is improved.

[0038]

As described above, according to the roof structure of the present invention, the side edges of the folded shingles that are provided in the lateral direction are provided at both ends of the folded shingles. Since a pair of locking pieces that fit into each bent portion and a gutter (or cover) that covers the abutting position (or overlapping surface) of the bent portions are connected using a connecting member that is integrally formed. In addition, it is possible to reliably prevent rain from leaking from the lateral joint portion of the folded plate roof material to the indoor side.

[Brief description of the drawings]

FIG. 1 is a perspective view schematically showing an embodiment of a roof structure according to the first aspect of the present invention.

FIG. 2 is a perspective view of a folded plate roofing material used in the embodiment of the invention described in claim 1;

FIG. 3 is an end view taken along line XX of FIG. 2;

FIG. 4 is a perspective view of a connecting member used in the first embodiment of the present invention;

FIG. 5 is a cross-sectional view showing a main part structure according to the embodiment of the present invention.

FIG. 6 is a cross-sectional view showing the structure of the relevant part.

FIG. 7 is a sectional view showing a modification of the connecting member used in the embodiment of the invention described in claim 1;

FIG. 8 is a sectional view showing a modification of the connecting member.

FIG. 9 is a cross-sectional view showing a modification of the connecting member.

FIG. 10 is a sectional view showing a modification of the connecting member.

FIG. 11 is a cross-sectional view showing a main structure of a folded plate roofing material used in the embodiment of the invention described in claim 2;

FIG. 12 is a cross-sectional view showing a main part structure of the embodiment of the invention described in claim 2;

FIG. 13 is a perspective view of an essential part showing a modified example of a bent portion formed in a folded plate roofing material.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Folded-plate roof material 11, 12 Bending part (for connection) 11a Fixed piece 11c Locking concave part 12c Locking convex part 13a, 13b Bending part 2 Connecting member 21 Gutter 22a, 22b Folding piece 23a, 23b Locking piece 101 Fold Plank roof material 113a, 113b Bent portion 102 Connecting member 121 Cover 122, 123 Locking piece

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[Procedure amendment]

[Submission date] May 10, 1999 (1999.5.1
0)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claim 1

[Correction method] Change

[Correction contents]

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0007

[Correction method] Change

[Correction contents]

[0007]

In order to achieve the above object, according to the first aspect of the present invention, connecting ridges are formed at a ridge end and an eaves end, and both ends are formed at both ends. A plurality of folded plate roofing materials having a bent portion formed on the lower surface side are arranged on the roof structure, and the folded plate roofing materials adjacent to each other in the roof surface inclination direction are attached to one of the folded plate roofing materials. The bent portion at the eave-side end of the other folded plate roof material is fitted and connected to the bent portion at the ridge side end, and the ends of the bent portions of the folded plate roof material adjacent to each other in the horizontal direction of the roof surface. In a state where the parts are abutted with each other, the folded plate roofing material is a bent piece of the plate material, and a gutter for covering the abutting position of the bent part from below and a locking piece fitted into each bent part of the folded plate roofing material. And are connected by an integrally formed connecting member.

Claims (3)

[Claims] 1. A plurality of folded-plate roofing materials, wherein a bent portion for connection is formed at a ridge end and an eave-side end, and a bent portion is formed at both ends to bend to the lower surface side. Place the folded roofs adjacent to each other in the roof surface inclination direction on the bend of the ridge side edge of one folded roof and the eaves side edge of the other folded roof. With the bent portions fitted and connected, and with the ends of the bent portions of the folded plate roof materials adjacent to each other in the horizontal direction of the roof surface abutting each other, the folded plate roof materials are fitted into the respective bent portions. A roof structure wherein a locking piece that fits in and a gutter that covers a position where the bent portion abuts from below are connected by a connecting member that is integrally formed. 2. A connecting bent portion is formed at a ridge side end and an eave side end, and a bent portion bent at one side end to a lower surface side is provided at another side end with an overlapping step. A plurality of folded plate roof materials, each having a folded portion and a bent portion bent on the lower surface side, are arranged on a roof structure, and folded sheet roof materials adjacent to each other in the roof surface inclination direction are folded in one direction. The bent portion at the ridge side end of the panel roof material is fitted with the bent portion at the eave side end of the other folded plate roof material and connected, and the folded plate roof materials that are adjacent to each other in the horizontal direction of the roof surface are folded. In the state where the bent portions are overlapped, a connecting member in which a locking piece that fits the folded plate roof material into each bent portion and a cover that covers the overlapping surface of the bent portions are integrally formed. A roof structure characterized by being connected by: 3. A corrugated portion is formed at a bent portion formed at both end portions of the folded roof material.
Or the roof structure according to 2.