JP3043142B2 - Building unit - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a building unit having a ceiling surface in which a plurality of ceiling materials are formed by abutting end faces.
More specifically , it relates to the fire prevention structure.

[0002]

2. Description of the Related Art In a factory, various parts of a building are unitized and produced in the factory, and they are carried into a site and assembled.

[0003] Building units are also produced in factories. In general, a building unit consists of a pair of opposing square frames.
The two upper and lower support members are arranged in parallel between
Between the two support members and substantially perpendicular to the support member.
A plurality of base materials are arranged in parallel, and the lower end of this base material is
Laminated with a ceiling material on the surface and formed in a box shape
Become.

By the way, for fire prevention, ceiling materials are often made of non-combustible materials.

[0005] However, when a fire occurs, joints (butting portions) of the ceiling material are opened. The base material is heated intensely through the opening, and the ceiling collapses. Then, the fire spreads at a stretch. Thus, the joint of the ceiling is a problem in fire prevention.

Therefore, in order to solve the problem of fire prevention at the joints, in the conventional ceiling structure, ceiling materials are laminated in two layers (upper and lower), and the positions of the joints between the upper layer and the lower layer are determined. Ceilings are staggered (in a staggered pattern).

On the other hand, as a fire prevention structure for the wall,
No. 13738 discloses a construction in which tiles are laid on the surface of an outer wall plate, and the joints of the outer wall plate are covered with the tiles.

Further, Japanese Patent Application Laid-Open No. Hei 2-27037 discloses that
A fireproof material is fixed to the lower end of a base material, and the fireproof material is interposed in a joint part of the exterior material, and the exterior material is joined to the base material.

[0009]

However, when the joints of the ceiling materials in the upper and lower layers are shifted from each other as described above, there is a problem that the work of allocating the ceiling materials becomes complicated and the production efficiency is reduced.

The technique disclosed in Japanese Utility Model Laid-Open No. 61-13738, in which tiles are laid on the surface of an outer wall plate, cannot be applied to a ceiling structure.

Further, in the case where a fire protection material fixed to a base material is interposed in a joint part of an exterior material as disclosed in Japanese Patent Application Laid-Open No. 2-27037, a step of fixing the fire protection material to the base material is required. There is a problem that manufacturing is complicated. Furthermore,
Since the fire protection material is made of a material that is relatively hard to deform, unless the dimensional accuracy of the housing part formed in the ceiling material for housing the fire protection material is high, the fire protection material cannot be housed in the housing part, making it impossible to manufacture. .

It is an object of the present invention to provide a building unit having a ceiling fire protection structure that is easy to manufacture. Another object of the present invention is to improve the production efficiency of building units. Still another object of the present invention is to provide a heat insulating material formed on a ceiling material having a slightly lower dimensional accuracy.
It is an object of the present invention to provide a fire protection structure for a ceiling material that can be easily manufactured by allowing a heat shielding material to be filled in a housing portion.

[0013]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention relates to a method of forming a frame between a pair of opposed rectangular frames.
The two upper and lower support members are arranged in parallel to each other.
A plurality of base materials are arranged between the two support members substantially orthogonally to the support members, and a plurality of ceiling materials are joined to the base materials by joining the end surfaces thereof to form joints. The lower end face length of the base material
In a substantially box-shaped building unit that is laid and positioned in the direction , the ceiling material is aligned in the thickness direction by aligning the end faces of joints.
To be is more plies bonded, accommodating portion is provided on an end surface facing the joint portion in the ceiling material, not to the housing part
It is filled with a heat shield made of burning fiber .

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.

[0015] As shown in FIG. 2, the boundary between a building unit U chamber (e.g. the first floor) and is the chamber (the second floor) of the building units U thereon, ceiling constituting the first floor ceiling unit 2 And a floor unit 1 constituting the second floor.

As shown in FIG. 3, the building unit U is
A pair of opposing rectangular frames 3, 3 and a ceiling unit
And the floor unit 1 make up a box-shaped framework
I have. The ceiling unit 2 and the floor unit 1 are provided above and below the frame 3, respectively , and support members 4, 4 and a base material are provided.
5, 5,... Two support members 4 such as U-shaped steel sections are provided side by side on the frame 3. Support member 4
A plurality of base materials 5 are arranged in parallel. The base material 5 in this example is made of wood.

As shown in detail in FIG. 1, ceiling members 6a, 6b (6) made of a suitable noncombustible material such as a gypsum board mixed with fibers.
c, 6d) are arranged side by side with the end faces facing each other, and are made into two layers, upper and lower, and fixed with an adhesive or the like, thereby forming a two-layered ceiling material 6. Notches are provided on the end surfaces of the ceiling members 6a to 6d. The cutouts of the ceiling members 6a to 6d are united to form the accommodation portion 7. That is, as described above, the upper ceiling materials 6a and 6b and the lower ceiling material 6
c, 6d, the ceiling material 6a, 6b and the ceiling material 6c, with the heat shielding material 8 made of non-combustible fiber such as ceramic fiber, glass wool, rock wool, etc.
6d is superimposed.

The joint part 9 of the two ceiling materials 6 is attached to the base material 5.
And the ceiling material 6 is joined to the base material 5 with nails 8 or the like.

The floor unit 2 is constructed similarly to the ceiling unit 1.

When a fire occurs in the room, the joints 9 of the ceiling member 6 are opened by heat. However, the transfer of the fire to the base material 5 is suppressed as much as possible by the heat shielding material 8 arranged at the joint portion 9. As a result, the ceiling can be prevented from collapsing.

In this embodiment, as described above, the joint 9 of the ceiling material 6 is arranged on the lower end surface of the base material 5 at the time of factory production, and the heat shielding material 8 is provided on the joint 9 of the ceiling material 6. Provided. Therefore, the layout of the ceiling materials 6a to 6d in the factory can be simplified and the production efficiency can be improved, as compared with the conventional method in which the joint portions of the upper and lower ceiling materials are shifted from each other.

Further, since it is possible to manufacture the ceiling material 6 simply by putting the heat shielding material 8 in the accommodating portion 7 of the joint portion 9 at the time of forming the ceiling material 6, it is simpler than in the case where the fire protection material is fixed to the base material as in the conventional case. Can be manufactured.

Further, if the heat shield 8 is made of non-combustible fiber and is very flexible, it can be manufactured even if the dimensional accuracy of the housing portion 7 formed on the ceiling material 6 is somewhat low.

The present invention is not limited to the above embodiment, and various modifications can be made. For example, the base material may be made of metal, in which case screws or the like are used to join the ceiling material to the base material. Further, the ceiling material is not limited to two sheets, and may be three sheets or more.

[0025]

According to the present invention described above, the following effects can be obtained.

In a building unit in which a plurality of base materials are juxtaposed, and a plurality of ceiling materials are laid against the edges of the base materials so that the joints are located at the lower end surface of the base materials, An accommodating portion is provided on an end face facing the portion, and the accommodating portion is filled with a heat shield. Therefore, it can be manufactured simply by putting a heat insulating material in the joint when forming the ceiling material,
It can be easily manufactured as compared with a conventional case where a fireproof material is fixed to a base material.

In addition, the ceiling material is made thick by aligning the joint end faces.
In this way, it is possible to simplify the work of allocating ceiling materials for building units related to factory production, as compared to the conventional double ceiling materials where the joints are staggered. Efficiency can be improved.

Further, if the heat shield is made of non-combustible fiber and is very flexible, it can be manufactured even if the dimensional accuracy of the accommodation portion formed on the ceiling material is somewhat low.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a main part of an embodiment of the present invention.

FIG. 2 is a schematic longitudinal sectional view of the building according to the embodiment.

FIG. 3 is a perspective view of the building unit of the embodiment.

[Explanation of symbols]

4 support member, 5 base material, 6 ceiling material, 7 housing part, 8 heat shield material, 9 joint, U building unit

Claims (1)

(57) [Claims] 1. Between a pair of opposing square frames
The upper and lower two support members are arranged side by side in parallel with each other, and a plurality of base materials are arranged between the two support members substantially at right angles to the support member. the lower end face length of the underlying material of the joint portion ceiling material against the end face
In a substantially box-shaped building unit that is laid and positioned in the direction , the ceiling material is aligned in the thickness direction by aligning the end faces of joints.
To be is more plies bonded, accommodating portion is provided on an end surface facing the joint portion in the ceiling material, not to the housing part
A building unit characterized by being filled with a heat shielding material made of burning fiber .