JP2540837Y2 - Drain board for eaves - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drain board mounted on an eave.

[0002]

2. Description of the Related Art As shown in FIG. 6, a conventional eaves top structure has a roof base material (1) with a roofing sheet (2) stretched over the eaves at the root end and an upwardly folded portion (3A). Horizontal part (3)
And a draining part (4) provided with a folded part (4A) inward at the lower end extending downward from the tip of the horizontal part (3).
(5) is fastened with nails (6), and one or two narrow roofing materials (7, 8), also called starters, are placed on top of them and fastened with nails (9). 10). However, in such an eaves structure, a gap S is formed between the eaves portion of the roof base material (1) and the narrow roof material (7), and there is a possibility that rainwater may enter from the gap S.

[0003] Conventionally, as shown in FIG.
A structure in which the gap S is reduced by raising the draining plate 5 with an elastic material 11 interposed underneath (Japanese Utility Model Laid-Open No. 1-148415), or as shown in FIG. At the horizontal part (3) of the draining board (5), a rising part (3B) and the rising part (3
There is provided a configuration (Japanese Utility Model Laid-Open No. 2-147523) in which an inclined portion (3C) following B) is formed so that the gap S is not substantially formed by the rising portion (3B).

[0004]

[Problems to be Solved by the Invention] In the above conventional example, the narrow roof material (7) is fixed at the root end by the nail (9), so that when the nail (9) is hit, the roof material is damaged by strong wind and rain. There is a problem that the narrow roof material (7, 8) is lifted from the tip and the gap S is enlarged or formed, and in the conventional example shown in FIG. 8, the narrow roof material (7) is formed of the drain board (5). Because it is linearly supported by the rising edge (3B) upper edge and the folded portion (3A) upper edge,
When a person's weight is applied to the narrow roofing material (7) during construction, the narrow roofing material (7) causes stress concentration at the two linear support portions as described above, and the narrow roofing material (7) (7) has a problem that it is easily broken.

[0005]

According to the present invention, as a means for solving the above-mentioned conventional problems, a horizontal portion (13) contacting an eaves portion of a roof base material (1), and a tip of the horizontal portion (13) are provided. And a draining part (14) extending downward from the horizontal part (13), and a convex part (1) having an upper surface (13C) in contact with the roofing material (7) in the middle of the horizontal part (13).
3B) is formed, and a drainage board (15) for eaves is provided which supports the roofing material (7) by the upper surface (13C) of the projection (13B). And the upper surface of the convex part (13B) of the draining plate (15)
(13C) may be provided with an adhesive layer (13D).

[0006]

[Action] In the present invention, the roofing material (7, 10) is a drain board (15).
The upper surface (13C) of the convex portion (13B) of the horizontal portion (13) is planarly supported. Therefore, when a stress such as the weight of a person is exerted on the roofing material (7, 10), the stress is dispersed at the surface supporting portion of the projection (13B) of the draining board (15). In addition, the convex part (1
In the case where an adhesive layer (13D) is provided on the upper surface (13C) of (3B), the draining plate (15) and the roofing material (7, 10) are adhered to each other by the adhesive layer (13D) at the convex portion (13B). Therefore, the draining board (15) follows the lifting from the tip of the roofing material (7, 10).

[0007]

1 to 3 show a first embodiment of the present invention. In FIG. 1, the draining plate (15) comprises a horizontal portion (13) and a draining portion (14) extending downward from the tip of the horizontal portion (13). Is formed with a folded portion (13A) upward, a convex portion (13B) is formed near the tip, and the convex portion (13B) is formed.
An adhesive layer (13D) is provided on the upper surface (13C). Further, an inward folded part (14A) is formed at the lower end of the draining part (14).

The draining plate (15) is a roofing sheet (2)
The horizontal part (13) is abutted against the eaves of the roof base material (1), which is stretched, and fastened with nails (6).
The narrow roofing material (7) is supported by the upper surface (13C) of the projection (13B) of (13) and the upper edge of the folded portion (13A). In this case, FIG.
As shown in the figure, the upper surface (13C) of the convex portion (13B) of the horizontal portion (13) of the draining plate (15) is inclined along the lower surface of the narrow roof material (7), and therefore, the adhesive layer ( 13D) is almost entirely adhered to the lower surface of the narrow roof material (7). The narrow roof material (7) is fixed near the root end with nails (9), and the narrow roof material
(8) are superimposed, and the vicinity of the root end of the narrow roof material (8) is fixed with a nail (9), and the roof material (10) is successively nailed from above.
It is fixed by.

As a material of the draining plate (15), a metal is desirable. For example, a galvanized steel sheet,
Stainless steel, copper plate, zinc alloy, etc., and the metal may be painted. The thickness of the draining board (15) is usually set to about 0.2 to 1.0 mm, and the length is desirably set to about 1800 mm for the efficiency of the construction work.

The adhesive layer (13D) is provided on the upper surface (1) of the projection (13B).
It is formed by directly applying an adhesive to 3C) or attaching an adhesive sheet such as a double-sided adhesive tape or a butyl rubber sheet.

In the above construction, since the narrow roofing material (7) is supported by the upper surface (13C) of the projection (13B) of the draining board (15), the narrow roofing material (7) is placed on the narrow roofing material (7). Even if the weight of the person is exerted, the upper surface (13C) disperses stress and prevents cracking. The draining plate (15) is located on the upper surface (13) of the projection (13B).
C) is adhered to the lower surface of the narrow roofing material (7) via the adhesive layer (13D) of the narrow roofing material (7). A gap S is not generated following the lifting from the tip of the roofing material (7).

As shown in FIG. 3, the height h of the projection 13B is three times the thickness t of the roofing material 10 and the length y of the draining plate 15 is set as shown in FIG. If the length is set equal to the length L from the tip of the eaves to the nail (12) fixing position, the narrow roof material (7, 8) as a starter becomes unnecessary.

FIG. 4 shows a second embodiment of the present invention.
In this embodiment, a horizontal portion having a folded portion (23A) formed at the root end is used.
(23) and a draining part (24) having a folded part (24A) formed at the lower end, a horizontal part (23) of a draining plate (25) has two convex parts (23B, 2B).
3E) is formed, and the upper surfaces (23C, 2E) of the two convex portions (23B, 23E) are formed.
3F) is inclined so as to be along the lower surface of the roofing material that is laid on the upper side, and an adhesive layer (23D, 23G) is provided.

In this embodiment, since the upper surfaces (23C, 23F) of the two convex portions (23B, 23E) of the draining plate (25) are in contact with the roof material,
The stress distribution is more effectively performed, and the adhesive strength of the adhesive layers (23D, 23G) to the roofing material is also increased.

FIG. 5 shows a third embodiment of the present invention.
In this embodiment, a horizontal portion having a folded portion (33A) formed at the root end is used.
(33) and a draining part (34) formed with a folded part (34A) at the lower end of the horizontal part (33) of the draining plate (35) have a convex part (33B) on the upper surface (3).
3C) is provided with an adhesive layer (33D), and the ridge side of the convex portion (33B) is a spring portion (33E) bent in a zigzag shape.

In this embodiment, since the spring portion (33E) of the convex portion (33B) of the draining plate (35) elastically expands and contracts vertically,
Even if the (33C) is not particularly inclined, the upper surface (33C) is pushed along the lower surface of the roofing material.

In this embodiment, the spring portion (33E) is folded in three steps, but the spring portion (33E) may be folded in two steps, one step, or four or more steps, and the convex part (33B) May be provided two or more.

[0018]

[Effect of the Invention] Therefore, in the present invention, no gap is formed between the draining board and the roofing material at the eaves portion, so that rainwater does not enter between the draining board and the roofing material. Therefore, the stress applied to the roofing material is dispersed, and cracking of the roofing material is prevented.

[Brief description of the drawings]

 1 to 3 show a first embodiment of the present invention.

FIG. 1 is a sectional view of a drainer

Fig. 2 Cross section of eaves tip

FIG. 3 is a sectional view of another tip of an eave.

FIG. 4 is a sectional view of a drainer according to a second embodiment.

FIG. 5 is a sectional view of a draining plate according to a third embodiment.

FIG. 6 is a cross-sectional view of a conventional drainer.

FIG. 7 is a sectional view of an improved conventional drainer.

FIG. 8 is a sectional view of a draining plate of another improved conventional example.

[Explanation of symbols]

 1 Roof base material 13,23,33 Horizontal part 13A, 23A, 33A Folded part 13B, 23B, 23E, 33B Convex part 13C, 23C, 23F, 33C Top surface 13D, 23D, 23G, 33D Adhesive layer 15 Drain plate 7,8 Narrow roofing material

Claims (2)

(57) [Scope of request for utility model registration] 1. A horizontal portion abutting on an eaves tip portion of a roof base material, and a drainage portion extending downward from a tip of the horizontal portion, and has an upper surface in contact with the roof material in the middle of the horizontal portion. A draining plate for eaves, wherein a convex portion is formed, and the roof material is planarly supported by the convex portion upper surface. 2. The eaves draining plate according to claim 1, wherein an adhesive layer is provided on an upper surface of the convex portion of the draining plate.