JP3021275B2 - Fascia with vents - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fascia that allows ventilation of an attic and has a good appearance, and prevents the invasion of flames in a fire.

[0002]

2. Description of the Related Art In general, a blindfold is one in which a single board (noseboard) is attached to hide the edge of a rafter on the eaves. However, since the eaves ceiling blocks the flow of air to the attic, No ventilation. For this reason, it has been attempted to provide ventilation holes in the eave ceiling or to provide a covering member with ventilation holes at the lower part of the nose plate for ventilation, but in this case, the internal structure of the eaves can be seen through the ventilation holes. There is a problem in that it is not preferable in appearance, and the fire spreads indoors because the flame directly enters the attic from the ventilation hole at the time of fire.

[0003]

SUMMARY OF THE INVENTION An object of the present invention is to always provide good ventilation of an attic, except for the drawbacks of the conventional blindfold, to prevent the internal structure from being visible through a ventilation hole, to provide a good appearance, and to provide a flame. The object of the present invention is to provide a fascia with ventilated holes that is highly safe against bleeding.

[0004]

SUMMARY OF THE INVENTION The present invention achieves the above object by improving the appearance by attaching a covering member having a specific structure to a nose plate provided at the eaves.

That is, the present invention relates to a nose plate front cover portion which covers the front surface of the nose plate of the eaves and is fixed to the nose plate , and a metal plate nose cover having a bottom portion, the bottom portion being connected to the attic side. in addition to drilling a plurality of ventilation holes, the upper position facing the該換pores, provided fire cover with a gap, fire covering
Bend the lower part of the front cover of the nose plate over the
Formed so that the fire shield covers the front of the nose plate.
It is a fascia that has a ventilation hole characterized by being formed . .

Also, the front of the eaves nose plate is covered to form a nose plate.
A fixed nose plate front cover portion, and a metal plate nose cover having a bottom portion, wherein a plurality of ventilation holes are formed in a front portion connected to the bottom portion connected to the attic side, and a plurality of ventilation holes are formed. the upper position, provided fire cover with a gap, the fire cover
Above, bend the lower part of the front part of the nose plate to form a step
A nose cover having a ventilation hole , wherein the fire protection cover is formed so as to protrude forward from the nose plate .

Preferably, the fascia is formed by folding a metal plate.
It is formed and the fire protection cover is integrally fixed. Ma
Preferably, one edge of the fascia is fixed to the underside of the rafter.
Is determined.

[0008]

[Function] Covers the front of the eaves nose plate and is fixed to the nose plate
The front of the nose plate is covered with and protected by a metal plate with a bottom, and the bottom of the nose plate is covered and protected by the bottom. A plurality of ventilation holes are drilled in the front part connected to the bottom or the bottom connected to the attic side, and a fire protection cover is provided with a gap above the ventilation holes, so that the attic In addition to good ventilation, the internal structure is not visible through the ventilation holes, the appearance is good, and the flame is prevented from entering the attic because it is blocked by the fire protection cover.

In addition, a nose plate front cover is provided above the fire protection cover.
Bend the lower part of the part to form a step, and put the fire protection cover on the nose plate
Because it is configured to protrude to the front, the air flow can be more bent and detoured without directly hitting the nose plate, so the step is located at the top of the bent and detoured direction Thus, it is possible to more reliably prevent the flame from entering.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a cross-sectional view of a state in which a blindfold 2 according to an embodiment of the present invention is attached to the eaves.
This is a blindfold formed by bending a nonflammable rigid plate such as a color aluminum plate along its longitudinal direction. In FIG. 1, reference numeral 8 denotes a base plate, 9 denotes a roofing, 10 denotes a roof tile, and 11 denotes a drainer.

The nose cover 2 has a nose plate front cover portion 2a fixed to the nose plate 1 by nailing or other appropriate means in accordance with the front surface of the nose plate 1, and its lower portion is bent to form a bottom portion 2a.
Step 2b opposing d, front surface 2c connected to bottom 2d
Is formed, the bottom 2d is formed. And the bottom 2
d, and comes into contact with the eaves ceiling 7, and then the bending step 2e
The one edge 2f is secured to the lower surface of the rafter 4 by nailing or other appropriate means while securing the ventilation path 3c to the attic side. One edge 2f of the fascia 2 may be fixed to another part as long as the ventilation path 3c to the attic side can be secured. In addition, the other end edge 2g of the fascia 2 is bent and locked to the drainer 11, but it is not always necessary to adopt such a mode.

As shown in FIG. 2, a plurality of ventilation holes 5 are arranged in the bottom 2d. The shape and size of the ventilation hole 5
The arrangement, the interval between the holes, and the like are appropriately set as needed. At the upper position facing the ventilation hole 5, a nonflammable fireproof cover 6 in the form of a plate is provided with a gap with the bottom 2d, and the ventilation path 3a is formed at a position on the front side where the ventilation hole 5 does not face. Have been. A step portion 2 b is formed above the fire protection cover 6, and the fire protection cover extends beyond the nose plate 1.
The fire protection cover 6 extends from the bottom 2d of the fascia 2 to one edge 2f.
Are fixed by rivets to the inclined stepped portion 2e formed on the way to the position, but the fixing position, the fixing means and the like are not particularly limited. The fire protection cover 6 is made of a nonflammable rigid plate such as a color steel plate, a vinyl chloride coated steel plate, a color aluminum plate or the like, like the main body of the fascia 2.

With the above construction, the outside air enters through the ventilation hole 5, passes through the ventilation path 3a, the ventilation path 3b formed on the upper side of the fire protection cover 6, and the ventilation path 3c as shown by the arrows, and passes between the respective rafters 4 in parallel. Introduced into the attic. On the other hand, at the time of fire, the flame is blocked by the fire protection cover 6 and is prevented from entering the inside, so that the effect of preventing fire spread is exhibited. And fire protection cover 6
Since the upper part covers the upper part of the ventilation hole 5, there is no possibility that the inside of the fascia is visible from the ventilation hole 5, and the appearance is good. In addition, since the step portion 2b is formed above the fire protection cover 6, the air flow does not directly hit the nose plate 1,
The stepped portion 2b can be more bent and detoured, and the stepped portion 2b is located at the upper portion in the direction of the bent and detoured, so that the intrusion of the flame can be more reliably prevented.

The blindfold 2 is formed by bending a metal plate and has a fire protection cover 6 integrally fixed thereto. One end 2f of the blindfold is fixed to the lower surface of the rafter 4 by nailing. Therefore, it is advantageous in that the construction can be simplified.

FIG. 3 shows an embodiment in which a plurality of ventilation holes 5 are formed in a front portion 2c connected to a bottom portion 2d connected to the attic side. As in the previous embodiment, the front part 2c connected to the bottom part 2d is formed by providing a step part 2b, the step part 2b is located above the fire protection cover 6, and the fire protection cover is more front than the nose plate 1. It is in the position where it overhangs.

A plurality of ventilation holes 5 are arranged in a row at a front portion 2c connected to the bottom portion 2d, and a fire protection cover 6 is provided above the inside of the ventilation holes 5 with a gap from the front portion 2c. And a ventilation path 3d is formed. Fire protection cover 6
The blindfold 2 is fixed to a bent step 2e formed halfway from the bottom 2d to one edge 2f.

In the above embodiment, outside air enters through the ventilation holes 5 and is introduced into the attic from between the parallel rafters 4 through the ventilation paths 3d and 3c as shown by arrows. On the other hand, in the event of a fire, the flame is blocked by the fire protection cover 6 and entry into the interior is prevented. Further, since the ventilation hole 5 is provided in the front surface portion 2c connected to the bottom portion 2d, the flame does not easily enter. And since the fire protection cover 6 covers the upper part of the ventilation hole, there is no possibility that the inside of the fascia is visible from the ventilation hole 5 and the appearance is good. Further, since the step portion 2b is formed above the fire protection cover 6, the air flow can be more bent and detoured without directly hitting the nose plate 1, and the upper part in the bent and detoured direction can be formed. Since the stepped portion 2b is located, it is possible to more reliably prevent the flame from entering.

The positional relationship between the plurality of ventilation holes 5 and the front portion 2c connected to the bottom portion 2d may be, for example, as shown in FIG.

[0019]

As described above, according to the concealer having the ventilation hole according to the present invention, the ventilation of the attic is always performed well, the humidity is appropriately maintained, and the internal structure cannot be seen through the ventilation hole. The appearance is good, and when a fire occurs, it is blocked by a fire protection cover to prevent the invasion of the flame, and the flame does not directly enter the attic from the ventilation hole, preventing the spread of the fire. Therefore, the safety against the flame is high. Moreover, the nose above the fire protection cover
Bend the lower part of the front part of the board to form a step,
Is designed to extend beyond the nose plate to the front
Because, it is possible to prevent more reliably the flame penetration.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a state in which a blindfold 2 of an embodiment is attached to an eaves tip.

FIG. 2 is a bottom view of the fascia 2 shown in FIG.

FIG. 3 is a cross-sectional view of a state in which a nose cover 2 of another embodiment is attached to an eaves tip.

FIG. 4 is a side view illustrating the position of a ventilation hole 5;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Nose board 2 Nose cover 2a Nose board front cover part 2b Step part 2c Front part connected to bottom part 2d 2d bottom part 2f One edge 3a, 3b, 3c Airway 4 Rafter 5 Ventilation hole 6 Fireproof cover 7 eave ceiling

Continuation of the front page (56) References JP-A 1-1105129 (JP, U) JP-A 60-174711 (JP, U) JP-A 57-68841 (JP, U) (58) Fields surveyed (Int .Cl. ⁷ , DB name) E04D 13/15-13/16 E04B 1/94

Claims (4)

(57) [Claims] 1. Covering the front of the eaves nose plate and fixing it to the nose plate
Nose plate front cover portion, and a metal plate nose cover having a bottom, and a plurality of ventilation holes are drilled in the bottom communicated to the attic side, at an upper position facing the ventilation holes,
Provide a fire shield with a gap, and a nose plate above the fire shield
Bend the lower part of the front covering part to form a step, and cover it with fire protection
A nose cover having a ventilation hole, wherein the nose plate is configured to protrude forward from the nose plate . 2. Covering the front of the eaves nose plate and fixing it to the nose plate
A nose cover made of a metal plate having a bottom portion and a bottom portion, wherein a plurality of ventilation holes are formed in a front portion connected to the bottom portion connected to the attic side, and a plurality of ventilation holes are formed above the ventilation holes. In a location, provide a fire barrier with a gap above and above the fire barrier.
Then, bend the lower part of the nose plate front cover to form a step,
A nose cover having a ventilation hole, wherein the fire protection cover is formed so as to protrude forward of the nose plate . 3. A fascia is fascias having ventilation holes according to claim 1 or 2, wherein the fire protection covering is fixed integrally with formed by bending a metal plate. Wherein one edge of the fascia is fascias having ventilation holes according to claim 1, wherein it is intended to be fixed to the lower surface of the rafters.