JP3456752B2 - Fire barrier wall behind hut or eaves - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention mainly relates to a fire barrier for partitioning an attic or an eave of a unit house or the like.

[0002]

2. Description of the Related Art The main causes of the spread of fire are the ignition of the outer wall by flames and radiant heat, the spread of fire due to the appearance of the eaves back, and the invasion of jumps from the roof.

In order to prevent a fire due to such a fire spread, in recent unit houses, the outer wall has a multiple structure composed of hard wood chip cement board and heat insulating material, and the eaves back is made of hard wood chip cement board and PVC steel sheet (non-combustible material) ) And
In many cases, measures such as stacking non-combustible roof tiles on roofs and adopting fireproof shutters and fitted glass windows with wires have been taken.

[0004] A unit house having such consideration can be protected by a fireproof armor, so to speak. Further, there is also a unit house in which the inside of the eaves and the inside of the hut are divided into fireproof areas by a fireproof wall as disclosed in, for example, JP-A-2-272132. According to this, even if a flame intrudes into the back of the eaves, it is possible to prevent the spread of fire to a minimum within the partitioned portion, and to further prevent fire.

[0005]

However, when installing the fire barrier as described above, the worker attaches the support fitting to the fire barrier while maintaining the state of being aligned at the predetermined mounting position. It has to be done, and there is a problem in workability because the work space is small. As a result, there is a problem that the fire barrier may not be completely fitted.

The present invention was created in consideration of the above circumstances, and an object thereof is to provide a fire barrier that can improve workability and quality in narrow places such as eaves and huts. It is what

[0007]

[Means for Solving the Problems] In order to achieve the above-mentioned object, the fire barrier of the attic or the eaves according to claim 1 is
Inclined to the roof slope locked on the upper surface of the roof rafters
It is equipped with a locking part that is attached to this rafter and is fixed to the rafter.
A nail hole for fixing is provided, and at this locking portion, a boundary wall portion that hangs a fireproof space in the attic space or the eave space located below the rafter is hung down. I am trying.

Further, in the fire protection wall of the attic or the eaves according to claim 2, the locking portion and the wall plate hanging from the locking portion are integrally formed of a zinc iron plate, and It is characterized in that it is composed of glass wool attached.

[0009]

According to the fireproof wall of the attic or the eaves according to claim 1, the barrier for partitioning the attic space or the eave space in the vertical direction is locked on the upper surface of the rafters of the roof. Roof
Depending on the arrangement, it is hung down to the locking part that is inclined and this locking
Since the portion is provided with a nail hole for attaching and fixing to the rafter, only by hitting a nail through the nail hole , the locking portion can be attached to a predetermined position of the rafter, and the disposing work is completed. This makes it possible to improve workability and quality in narrow places such as eaves and huts.

Further, since the fireproof wall of the attic or the eaves of claim 2 is made of zinc iron plate and glass wool, the overall weight is relatively light and easy to handle. This makes it possible to improve workability and quality in narrow places such as eaves and huts.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on the embodiments shown in the drawings.

In FIG. 6, reference numeral 1 is a unit house, and the unit house 1 has a structure in which a roof unit 3 is installed on a building body unit 2.

As shown in FIG. 5, the roof unit 3 is provided with a purlin 11 horizontally arranged at the top of the roof, and at a predetermined interval along the roof slope from the purlin 11 to the eaves. A truss structure is assembled from a plurality of rafters 12, a nose purlin material 13, a purlin material 14 arranged at a tip end portion of the rafters 12, and a lumber material (column) not shown in the drawing.

The roof unit 3 having such a frame structure
As shown in FIG. 6, inside the (attic), there is an attic 4 which can be a storage room or a living room, and an eaves 5 located on the eaves side.

Next, an embodiment in which the present invention is used for an eaves back will be described.

FIG. 1 is a perspective view showing a fire barrier according to an embodiment of the present invention, FIG. 2 is an explanatory view showing the structure of the eaves before attaching the fire barrier, and FIG. 3 is attaching the fire barrier. FIG. 4 is an explanatory view showing the structure of the back of the eaves, and FIG. 4 is a sectional view taken along line AA in FIG.

1 to 4, reference numeral 21 is a fire barrier for partitioning the eaves back space 5 located below the rafter 12a along the vertical direction. This fire barrier 21 is a rafter 12a.
Is provided with a locking portion 22 that is locked to the upper surface of the.

The fire barrier 21 has an L-shaped cross section,
In addition, two zinc steel plates, whose side shape is press-formed to be substantially the same as the side shape of the eaves space 5, are combined by riveting or welding to form a U-shape that opens downward, A plurality of nail holes 22a for attaching and fixing to the rafter 12a are provided along the longitudinal direction.

From the locking portion 22 of the fire barrier 21 to the wall plate 23.
Glass wool 24 is adhered to the entire wall plate 23 with an adhesive to form a boundary wall. That is, the glass wool 24 is in a state of being suspended from the locking portion 22. In addition, reference numeral 15 in FIG. 1 denotes an eaves panel material located below the eaves back space 5.

The fireproof wall 21 having such a structure is a glass wool 24 which divides the eaves back space 5 into fireproof zones along the vertical direction.
Is hung from the top of the roof to the eaves by the locking portion 22 that is locked to the rafters 12a arranged along the roof slope, so that the worker places the locking portion 22 at a predetermined position on the rafters 12a. The fireproof section work can be completed simply by hitting the nail through the nail hole 22a and attaching it after covering from above. As a result, it is possible to improve workability and quality in a narrow space such as the eave space 5 and the hut space 4.

Further, since the fire barrier 21 is made of zinc steel plate and glass wool 24, the weight of the fire barrier 21 as a whole is relatively light and easy to handle. As a result, workability and quality can be further improved in a narrow space such as the eave space 5 and the hut space 4.

The present invention is not limited to the above-described embodiments, but also includes design changes made by those skilled in the art.

For example, in the above embodiment, the eave space 5
Although the fire-prevention section has been shown, it is of course applicable to the attic space 4.

Further, although the glass wool 24 is arranged on the inner peripheral surface of the wall plate 23, it may be arranged on the outer peripheral surface. In addition to glass wool, gypsum board with a thickness of about 10 mm may be used as the boundary wall.
Not only does the gypsum board not burn by itself, but in the unlikely event of a fire, fog occurs due to the thermal decomposition of crystal water, which serves to suppress the spontaneous ignition of the wood materials in the vicinity.

If sufficient fireproof performance can be guaranteed, the field wall may be provided only on one side of the locking portion.

[0026]

As described above, according to the fire-prevention field wall of the attic or the eaves according to the first aspect, the field wall for partitioning the attic space or the eaves space along the vertical direction is used. ,
Almost the same slope as the roof slope locked on the upper surface of the roof rafters
It hangs down on the locking part that inclines with this.
Because the nail holes for attaching and fixing is provided, nail hole
Installation work is completed simply by striking nails through and attaching the locking portions to the rafters at predetermined positions. Thereby, there is an effect that workability and quality can be improved in a narrow place such as a back of an eaves or a back of a hut.

Further, according to the fireproof wall of the hut or the eaves according to the second aspect, since it is composed of the zinc iron plate and the glass wool, the weight as a whole is relatively light and easy to handle. Thereby, there is an effect that workability and quality can be improved in a narrow place such as a back of an eaves or a back of a hut.

[Brief description of drawings]

FIG. 1 is a perspective view showing a fire protection wall on the back of a hut or on the back of an eaves according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram showing the structure of the eaves before the fire barrier is attached.

FIG. 3 is an explanatory view showing the structure of the eaves after the fire barrier is attached.

4 is a cross-sectional view taken along the line AA in FIG.

FIG. 5 is a plan view showing a frame of the roof unit.

[Fig. 6] Fig. 6 is a schematic diagram showing the positions of the back and eaves of a unit house.

[Explanation of symbols]

1 unit house, 2 building main unit, 3 roof unit, 4 attic, 5 behind space, 11 purlins, 1
2, 12a Rafter, 13 Nose purlin, 14 Purlin, 2
1 fire barrier, 22 locking part, 22a nail hole, 23 wall plate (boundary wall part), 24 glass wool.

Claims (2)

(57) [Claims] 1. A roof slope locked to the upper surface of a roof rafter
It includes a locking portion which is inclined in accordance with the prior to the engagement portion
A nail hole for attaching and fixing to the rafter is provided, and the retaining wall is hung to hang the space behind the rafter or the eave space below the rafter for fire protection along the vertical direction. A fire barrier at the back of the hut or at the back of the eaves. 2. The locking part and the wall plate hanging from the locking part are integrally formed of a zinc iron plate, and glass wool is adhered to the wall plate. The fire barrier at the back of the hut or at the eaves described in 1.