JPH08218565A - Sheet metal structure of roof end section, and roof sheet metal used for the structure - Google Patents

Abstract

PURPOSE: To solve the phenomenon of snow stagnant at the end section of a roof in a dovetailing roofing system. CONSTITUTION: A first sheet metal 40 disposed along the lower end section of a roof panel and a second sheet metal 60 arranged on the sheet metal 40 at an interval are formed as sheet metal structure in a dovetailing roofing system. The first sheet metal 40 has a first inclined plane section 42, a first bent section 44 bent from the lower end of the inclined plane section 42 and a clip member 50 disposed to the inclined plane 42 at an interval. The clip member 50 has a first upstanding section 52 and a second bent section 54 bent from the upper end of the first upstanding section 52. The second sheet metal 60 has a second inclined plane 62 superposed on the first inclined plane 42. A third bent section 64 is formed at the lower end of the second inclined plane 62, a second upstanding section 66 is formed at both ends in the cross direction of the second inclined plane 62, and a fourth bent section 68 is shaped at the upper end of the second upstanding section 66. The second and fourth bent sections 54, 68 are superposed and bent and worked mutually, thus forming a seam 70. The lower end section 66a of the second upstanding section 66 is bent in a chevron shape prior to the bending of the third bent section 64.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roof sheet metal structure of a dovetail type, and more particularly to a sheet metal structure of a roof end and a roof sheet metal used therefor.

[0002]

2. Description of the Related Art As shown in FIG. 6, as one of the iron plate roofs formed on the upper surface side of a roof surface portion 10 composed of, for example, a roof panel, a goby 12 which stands upright from an inclined surface of the roof surface portion 10 is formed. There is known an ant roof that is formed by forming a plurality of ridges at predetermined intervals. In addition, in FIG. 6, the roof surface portion 10
The waterproof sheet, roofing material, etc., which are placed between the iron plate and the iron plate are omitted.

The goby 12 which rises vertically is formed as shown in FIG. That is, the crank-shaped suspension 20 is fixed on the roof surface portion 10. This suspension 2
0 has a rising portion 20a that rises vertically and a horizontal portion 20b that extends horizontally from the upper end. This suspension 2
Sheet metals 22 and 24 are arranged on both sides of 0. These sheet metal 2
Similarly, 2 and 24 have rising portions 22a and 24a and horizontal portions 22b and 24b. Then, as shown in FIG. 7, the goby 12 is formed by bending the three horizontal portions 20b, 22b, 24b in the direction of the arrow in FIG. Two sheet metals 22 supported by the hangings 20,
The lower end of the eaves side of 24 is bent as shown in FIGS. 6 and 8. On the other hand, the arabesque 11b is attached to the eaves side of the roof surface portion 10 via the head joint 11a, and the sheet metal 26 is fixed to the arabesque 11b. Sheet metal 22, 24
The bent portion on the eaves side is engaged with the metal plate 26 fixed to the arabesque 11b.

Similar to the eaves side of the metal plates 22 and 24, the goby 1
It is also necessary to engage the sheet metal 26 with the end of the eaves 2 on the side of the eaves.
Therefore, the eaves-side end of the goby 12 is bent so as to form a vertical bent portion 14 and a horizontal bent portion 16 as shown in FIGS. 6 and 8.

[0005]

Particularly in the case of cold regions, when there is snow on the roof, the snow is slid off along the slope of the roof, and the snow is caught on a gutter (not shown) provided on the eaves side. Need to be dropped. However, in the case of the above-mentioned roof structure of the dovetail type roof, as shown in FIG. 8 and FIG.
End faces 14a and 16 of the horizontal bending portion 14 and the vertical bending portion 16 of the goby 12 in a direction that blocks the roof flow direction A.
a will be formed. Therefore, this end surface 14
Snow was sometimes caught on a and 16a, and the snow sometimes froze on the eaves tip side on the roof. When this ice grows,
The flow of rainwater or snow flowing along the flow direction A will be stopped.

As described above, conventionally, the presence of the end faces 14a, 16a of the sheet metal exposed in the flow direction A has made it difficult for rainwater or snow to drop along the slope of the roof.

Therefore, the object of the present invention is to adopt a structure in which the end face of the sheet metal is not exposed in the flow direction of the roof so that rainwater and snow easily fall along the slope of the roof. To provide a sheet metal structure and a roof sheet metal used therefor.

[0008]

According to a first aspect of the present invention, there is provided a first sheet metal arranged along a lower end of a sloping roof and a space above the first sheet metal. A plurality of second sheet metals respectively arranged along the inclination direction of the roof, wherein the first sheet metal has a first inclined surface arranged on the roof, and the first sheet metal. A first bent portion that is bent from the lower end of the inclined surface, and a suspender member that is arranged on the first inclined surface at a distance, and the suspender member is perpendicular to the first inclined surface. A first rising portion that rises, and a second bent portion that is bent from the upper end of the first rising portion,
The second sheet metal has a second inclined surface that is stacked on the first inclined surface and extends with the inclination direction as a longitudinal direction, and a third bent portion that is bent from a lower end of the second inclined surface. And a second rising portion that vertically rises from both ends in the width direction of the second inclined surface, and a fourth bending portion that is bent from an upper end of the second rising portion.
The bent portions are overlapped and bent, and the second and
The first and second bent portions are formed by stacking the fourth bent portions and bending them.
It is characterized in that the sheet metals of are joined together.

According to the first aspect of the invention, the first bending portion of the first sheet metal and the third bending portion of the second sheet metal are overlapped and bent at the eaves side of the roof. The first and second sheet metals are joined together. Furthermore, the second bent portion of the suspension member integrally formed with the first sheet metal 42 and the fourth bent portion provided on the second sheet metal are overlapped and bent,
A goby that rises vertically to the roof surface is formed, and a sheet metal structure of an ant-roof type is constructed. At this time, since the end face of the sheet metal that blocks the flow direction of rainwater and snow is not exposed on the first sheet metal, the snow accumulation phenomenon at the roof end can be eliminated.

Further, since the suspension member is integrally formed with the first sheet metal, by disposing the first sheet metal at the roof end portion, a plurality of suspension members arranged at intervals can be obtained. Can be placed on the roof at the same time.

According to a second aspect of the present invention, in the first aspect, the suspension member is formed by cutting and raising a sheet metal located on the first inclined surface.

According to the invention of claim 2, since the first sheet metal and the suspension member can be formed by one sheet metal,
It is possible to omit the trouble of constructing the suspension member by another member and performing welding.

According to a third aspect of the present invention, in the first aspect, the lower end region of the second rising portion is mountain-folded in advance, and the lower end portion of the fourth bent portion is bent on the mountain-folded portion. It is characterized by

According to the third aspect of the present invention, even in the rising portion of the goby, it is possible to reduce the formation region of the sheet metal end face exposed in the flow direction of the roof, and to prevent the snow accumulation phenomenon at the roof end. Can be effectively resolved.

According to a fourth aspect of the present invention, in the roof sheet metal disposed along the lower end portion of the sloping roof, there is provided a suspension member formed by cutting and raising the sheet metal disposed on the roof,
The hanging member has a rising portion that rises substantially vertically from the sheet metal, and a bent portion that is bent at an upper end of the rising portion.

According to the invention of claim 4, similarly to the invention of claim 2, the waste sheet metal and the suspension member can be formed by one sheet metal, and the sheet metal used in the dovetail-roof system can be obtained. The number of members can be reduced.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the sheet metal structure for the roof end portion according to the present invention will be described below with reference to FIGS.

As shown in FIG. 5, this sheet metal structure is formed on the roof panel 30 which constitutes the roof surface portion.
This is a sheet metal structure of the dovetail type having a goby 70 that stands vertically from the inclined surface of the roof.

As is well known, the roof panel 30 is framed by a vertical core member 30a and a horizontal core member 30b, and a face member 30c is attached to one surface thereof. A head tie 32 is fixed to the eaves tip of the roof panel 30, and an arabesque 34 is attached to the front side of the head tie 32.

On the roof panel 30, a water resistant sheet, a roofing material, etc., which are not shown, are laid, and then a dovetail type roof sheet metal is arranged. As shown in FIG. 2, the roof sheet metal structure is roughly divided into a first sheet metal 40 arranged along the lower end of the sloping roof and a plurality of sheet metal sheets arranged at intervals on the first sheet metal 40. And the second sheet metal 60 respectively arranged along the inclination direction of the roof.

The first sheet metal 40 is also referred to as a discarded sheet metal, and also functions as a drainage on the eaves side of the roof panel 30. This first sheet metal 40, as shown in FIG.
It has the 1st inclined surface 42 arrange | positioned along the lower end part of 0. As shown in FIG. 2, the lower end of the first inclined surface 42 on the eaves side is, for example, a first bent portion 4 bent into a U shape.
4 are formed.

The first sheet metal 42 is further formed by cutting and raising it from the first inclined surface 42, and a suspender member 50 is provided on the first inclined surface 42 and arranged at intervals along the girder direction. Has been. As shown in FIG. 2, the suspension member 50 includes a first rising portion 52 that rises vertically from the first inclined surface 42, and a second bent portion 54 that is bent horizontally from the upper end of the first rising portion 52, for example. Have and. Since this suspension member 50 is formed by cutting and raising, the first inclined surface 4
A cutout portion 56 is formed in 2.

On the other hand, the second sheet metal 60 is bent together with the suspension member 50 of the first sheet metal 40 to form a vertically standing goby 70 shown in FIG. The second sheet metal 60 has a second inclined surface 62 that is superposed on the first inclined surface 40 of the first sheet metal 40 and extends with the roof inclination direction as the longitudinal direction. This second inclined surface 6
As shown in FIG. 2, the lower end of the eaves 2 on the eaves side is bent, for example, in a U shape to form a third bent portion 64.

A second rising portion 66 which rises vertically from the roof surface is provided at both ends in the width direction of the second sheet metal 60, and an upper end of the second rising portion 66 is bent horizontally to form a fourth portion, for example. The bent portion 68 is configured.

The structure of the dovetail type roof sheet metal constituted by using the first sheet metal 40 and the second sheet metal 60 will be described below in the order of assembling.

(1) Laying of the first sheet metal 40 As shown in FIGS. 1 and 5, the first sheet metal 40 is arranged along the girder direction at the lower end of the roof panel 30 on the eaves side. Set up. At this time, the first bent portion 4 of the first sheet metal 40
The vertical plane of 4 is set at a position facing the arabesque 34 fixed on the eaves side of the roof panel 30. The first inclined surface 42 of the first sheet metal 40 is nailed and fixed to the roof panel 30, for example.

(2) Laying of the second sheet metal 60 The second sheet metal 60 is arranged between two adjacent suspension members 50 of the first sheet metal 40 as shown in FIGS. 2 and 3. Further, the longitudinal direction of the second inclined surface 62 of the second sheet metal 60 is arranged so as to coincide with the roof inclination gradient direction of the roof panel 30. At this time, as shown in FIG. 1, the third bent portion 64 of the second sheet metal 60 has the first bent portion 64 laid on the lower side thereof.
The sheet metal 40 is arranged at a position facing the first bent portion 44. By arranging the second sheet metal 60 as described above, as shown in FIG.
As shown in, the second rising portion 66 and the fourth bending portion 68 of the second sheet metal 60 correspond to the first rising portion 52 and the second bending portion of the suspension member 50 formed on the first sheet metal 40. 54 will be overlaid.

Here, the second sheet metal 6 is placed on the first sheet metal 40.
The cutout portion 56 of the first sheet metal 40 is exposed in a region where 0 is not laid, but since another sheet metal is further stacked thereon, this hole is closed. In order to enhance waterproofness in the area of the cutout portion 56, a waterproof tape can be adhered to this portion.

(3) Formation of Goby 70 As shown in FIG. 3, the goby 70 shown in FIGS. 1 and 5 has the polymerized second bent portion 54 and the fourth bent portion 68, the first rising portion 52, and the second rising portion 52. It is formed by mountain-folding in the direction of arrow 100 in the figure so as to face the second rising portion 66. In addition, the bending process of the mountain fold causes the second sheet metal 6
The fourth bent portion 68 and the second rising portion 66 of 0 are fixed to the suspension member 50 formed on the first sheet metal 40.

(4) Treatment of the eaves tip portion side of the goby 70 The lower end portion 66a of the second sheet metal 60 on the eaves tip portion side of the second rising portion 66 may be subjected to the treatment shown in FIG. preferable. As shown in the figure, the lower end portion 66a is previously mountain-folded along the bending line 80 in the direction of the arrow 102 in the figure. After that, the mountain-folded lower end portion 66a
3 along the direction of arrow 104 in FIG.
The bent portion 64 is mountain-folded. By doing this, the lower end 6
Most of the end surface of 6a is not exposed on the side A of the rainwater and snow flow direction shown in FIG.

(5) First bent portion 44 and third bent portion 64
The bending portions 44 and 64 are mountain-folded in a superimposed state as shown in FIG.
Regarding the processing of the bent portions 44 and 64, FIG.
Is just an example. Instead of this, for example, the end portion of the sheet metal (not shown) that is fixed to the head joint 32 and constitutes a nose cover (not shown) may be engaged with the bent portions of the respective bends 44 and 64.

The dovetail-type roof sheet metal having the above-described structure has the advantages listed below.

(A) As is clear from the comparison between FIG. 1 showing the structure of the present embodiment and FIG. 6 showing the conventional roof structure, the structure of FIG. 1 has a horizontal bend formed by bending a goby. Since the portion 16 (see FIG. 8) is not provided, the end surface 16a does not interrupt the flow of rainwater or snow.

As a result, the phenomenon of snow accumulation at the lower end of the roof can be eliminated. In particular, the second rising portion 6
The lower end portion 66a on the eaves side of 6 is mountain-folded as shown in FIGS. 1 and 4 prior to the formation of the third bent portion 64, so that the flow direction A side as shown in FIG. It is possible to reduce the area where the protruding metal plate end surface 14a is formed.
This also makes it possible to sufficiently reduce the snow accumulation phenomenon at the roof end.

(B) Further, according to the structure of the roof end portion shown in FIG. 1, even if rainwater or snowmelt water is flooded between the first sheet metal 40 and the second sheet metal 60, Water can be made to flow to the eaves side gutter (not shown) via the joint part 72 (refer FIG. 1) of both metal plates 40 and 60. On the other hand, according to the conventional sheet metal structure shown in FIGS. 7 to 9, the sheet metal 22 and the sheet metal 24 are densely arranged in the girder direction. I couldn't flush it outside.

(C) According to the roof structure of this embodiment,
A plurality of suspension members 50 are integrally formed on the sheet metal 40. Therefore, there is an advantage that the work of arranging the plurality of suspension members 50 on the roof at a predetermined interval can be simultaneously performed only by disposing the first sheet metal 40 along the lower end portion of the roof. . On the other hand, according to the conventional roof structure shown in FIGS. 6 to 9, it is necessary to previously fix and arrange a plurality of the suspenders 20 in the eaves side region of the roof at equal intervals. Therefore, as compared with the roof structure of the present embodiment, the number of parts is large and the work items on the roof are large, so that the burden on the operator at a high place on the roof is increased. According to the roof structure of this embodiment, the number of parts and the number of work items are reduced, so that the burden on the roof worker can be significantly reduced.

[0037]

As described above, according to each of the first to third aspects of the invention, while adopting the roof sheet metal structure of the dovetail-roof system, the roof slope direction is the slope gradient direction of the roof. By adopting a structure where the edge of the sheet metal is not exposed, the snow accumulation phenomenon at the roof edge can be eliminated.

According to the roof sheet metal defined in claim 4 used in this roof sheet metal structure, the suspension member is cut and formed on the roof sheet metal itself arranged along the lower end of the inclined roof. Only by laying the roof sheet metal, it is possible to simultaneously dispose a plurality of suspension members arranged at intervals along the girder direction.

[Brief description of drawings]

FIG. 1 is a perspective view of an embodiment to which a sheet metal structure for a roof end portion of the present invention is applied.

2 is an assembled exploded perspective view of a first sheet metal and a second sheet metal used in the sheet metal structure of FIG. 1. FIG.

3 is a first sheet metal and a second sheet metal used in the sheet metal structure of FIG.
It is a schematic sectional drawing which shows the attachment state of the sheet metal.

FIG. 4 is a schematic explanatory diagram for explaining a method of bending the eaves side end of the goby at the roof end of FIG. 1.

5 is a side view of the roof end shown in FIG. 1. FIG.

FIG. 6 is a side view for explaining a conventional example of a roof end structure.

FIG. 7 is a schematic explanatory view showing a mounting state of the suspension and the sheet metal used in the conventional sheet metal structure shown in FIG.

FIG. 8 is a schematic perspective view of the conventional roof end portion shown in FIG.

9 is a plan view of the conventional roof end structure shown in FIG.

[Explanation of symbols]

 30 roof panel 32 head connection 34 arabesque 40 first sheet metal 42 first inclined surface 44 first bent portion 50 suspension member 52 first rising portion 54 second bent portion 56 cutout portion 60 second sheet metal 62 second inclined Surface 64 third bent portion 66 second rising portion 68 fourth bent portion 70 goby 72 joint portion

Claims (4)

[Claims] 1. A first sheet metal arranged along a lower end portion of a sloping roof, and a plurality of first sheet metals arranged at intervals on the first sheet metal, respectively along an inclination direction of the roof. A second sheet metal that is disposed, wherein the first sheet metal has a first inclined surface that is disposed on the roof, and a first bent portion that is bent from a lower end of the first inclined surface. And a suspension member arranged at a distance on the first inclined surface,
And a second bending portion bent from an upper end of the first rising portion, and the second sheet metal is A second inclined surface that is superposed on the first inclined surface and extends with the inclination direction as a longitudinal direction, a third bent portion that is bent from a lower end of the second inclined surface, and a width of the second inclined surface It has a second rising portion that rises vertically from both ends in the direction, and a fourth bending portion that is bent from the upper end of the second rising portion, and the first and third bending portions are overlapped and bent, A sheet metal structure for a roof end, characterized in that the second and fourth bent portions are overlapped and bent to join the first and second sheet metals together. 2. The sheet metal structure for a roof end according to claim 1, wherein the suspension member is formed by cutting and raising a sheet metal located on the first inclined surface. 3. The lower end region of the second rising portion is mountain-folded in advance, and the lower end portion of the fourth bent portion is bent so as to overlap the mountain-folded portion. A sheet metal structure for the roof edge. 4. A roof sheet metal disposed along a lower end of a sloping roof, comprising a suspension member formed by cutting and raising a sheet metal disposed on the roof, wherein the suspension member comprises: A roof sheet metal having a rising portion that rises substantially vertically from the sheet metal, and a bent portion that is bent at the upper end of the rising portion.