JPH09217524A - Awning roof structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve earthquake resistance and reduce building cost by disposing a plane ceiling awning on the inside of a roof awning, supported in angular shape, so as to form an awning body made of an impermeable sheet, fixing the peripheral parts of both awning bodies to the upper edge peripheral part of a building body, and forming a closed space part, put in a negative pressure state, between both awning bodies. SOLUTION: A support gutter 12 is rigidly fixed to the outer surface of tie beam at the upper side peripheral part of a body of a building 2. Support pipes 15 extended high above the body are firmly fixed to the center positions of both side faces 14 of the body by reinforcing members. After a ceiling part is covered with a ceiling awning 18, the peripheral fitting margin of the ceiling awning 18 is pulled into the support gutter 12 and fixed being insert-fitted to each bolt shank of the support gutter 12. When an exhaust fan 30 is rotated, air in a roof space part formed by the ceiling awning 18 and a roof awning 20 is exhausted into the atmosphere, so that the pressure in the roof space part becomes more negative than the atmospheric pressure. The ceiling awning 18 is thereby pulled toward the upper side of the body, and the roof awning 20 is held in a tensed state of being pulled toward the ceiling side, so that the ceiling is formed into an upward swollen ceiling face.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a curtain roof structure using a curtain, and more particularly to a technology for a roof structure of a building composed of a roof of a roof curtain (tent curtain) and a ceiling of a ceiling curtain. is there.

[0002]

2. Description of the Related Art Conventionally, a roof of a house is formed by arranging roof tiles on an inclined support structure, and a ceiling is formed by supporting a plate or a panel plate with a large number of supporting bars. In the case of a gymnasium, an exhibition hall, or a building that requires a large floor area such as a supermarket, it is necessary to support a complex structure because the roof and ceiling areas are large and it is necessary to form the center pillar without standing. The member forms a roof and a ceiling.

[0003]

However, as described above, in the conventional tiled house, the structure of the roof and ceiling is complicated, the construction cost is high, and the roof weight of the tiles is large and the earthquake resistance is poor. is there. In addition, the roof and ceiling of a building such as a gymnasium that requires a large floor area require complicated supporting members, are expensive to construct, and have low seismic resistance.

Therefore, an object of the present invention is to solve the problems of the roof structure in the above-mentioned tiled houses and buildings requiring a large floor area, and the roof and ceiling are formed by curtains. By doing so, it is to provide a curtain roof structure that can be constructed at low cost and has excellent earthquake resistance.

Another object of the present invention is that since the middle pillar can be omitted, the curtain roof suitable for a building with a large floor area such as a gymnasium, an indoor baseball field, an exhibition room or a supermarket. To provide the structure.

[0006]

A curtain roof structure according to the invention of claim 1 for achieving the above object is a roof structure of a building formed together with a ceiling, and is supported in a mountain shape by a supporting member. Mainly composed of two non-breathable sheet curtains, a roof curtain and a flat ceiling curtain arranged inside.
The peripheral parts of both curtains are directly or indirectly fixed to the upper edge of the main body of the building, and the two curtains are hermetically processed along the upper peripheral edge of the main body of the building or in the vicinity thereof. It is characterized in that a sealed space portion in a negative pressure state is formed.

A second aspect for achieving the above object.
The invention of claim 1 is characterized in that, in claim 1, the hermetically sealed space portion between the roof curtain and the ceiling curtain is always kept in a negative pressure state by an exhaust means provided in the roof curtain or a part of the ceiling curtain. And

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION In Claims 1 and 2, the roof curtain functions as the roof of the main body of the building, and the ceiling curtain functions as the ceiling of the main body. In the roof structure according to claim 1 and claim 2, since the space portion formed by the roof curtain and the ceiling curtain is in a negative pressure state, the roof curtain and the ceiling curtain are in a tension state, and the roof curtain has a beautiful shape, and the ceiling. The curtain is a beautiful curved surface that is pulled upward from the main body.

Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 shows a building 2 to which a curtain roof structure 1 of one embodiment is applied. The main body 2A of this building 2 is formed mainly of a steel frame structure, and as shown in FIGS. 2, 3 and 4,
For example, the short side (side) is 18 m, the long side (front) is 54 m, and the doorway 3 and the window 4 are appropriately provided and surrounded by the wall surface 5, and the braces 6 are reinforced. It is firmly formed on the foundation 7. As shown in FIG. 3, the main body has reinforcing members 8 attached to its corners, but no beams are provided on the ceiling. If necessary for strength, the reinforcing beam 10 may be arranged as shown by the phantom line in FIG. 3, but in order to improve the appearance of the ceiling curtain 18 described later, if the reinforcing beam 10 is sufficient, the reinforcing beam 10 may be arranged. It is preferable not to provide it.

The main body 2A is a beam (paved) 11 around the upper side
As shown in FIG. 7, a support gutter 12 having an opening at the top is fixed to the outer surface of the by welding or bolting (not shown). The support gutter 12 is provided with a large number of bolt shafts 13 for fixing a ceiling curtain 18 and a roof curtain 20, which will be described later, at predetermined intervals. The vertical surface portion 12A of the support trough 12 to which the bolt shaft 13 is attached is formed to be smooth, and is subjected to a primer treatment in advance. The support gutter 12 may be integrally formed with the floor beam 11 and the bolt shaft 13 may be provided so as to project therefrom. The support gutter 12 is provided with a vertical gutter for drainage at an appropriate position (not shown).

As shown in FIGS. 1 to 4, etc., a supporting tube 15 extending upwardly higher than the main body 2A is firmly fixed to a reinforcing member 16 at a central position on both side surfaces 14 of the main body 2A. The support tubes 15 are for pulling and fixing the drawstrings 26 of the roof curtain 20, and as shown in FIG. 10, each support tube 15 has a trochanter 15 at its upper end.
A is pivotally attached, and the lower end is up to the substantially central position of the side surface 14 of the main body 2A for attaching the pulling means of the drawstring.

The ceiling curtain 18 shown in FIG. 5 is for forming the ceiling of the main body 2A, and a mounting margin 18A is provided on the outer periphery of a sheet having a size capable of covering the ceiling. The mounting allowance 18A is doubled by bending the end edges of the sheet for reinforcement. The mounting allowance 18A includes a bolt shaft 13 of the support gutter 12 described above.
A large number of stop holes 19 to be inserted into the bolt shaft 13 are provided at equal intervals with the bolt shaft 13.

FIG. 6 shows a cut sheet of a front sheet 21, a rear sheet 22, a right side sheet 23 and a left side sheet 24 for forming a gable roof 20. It shows the part. Each seat part has a seam allowance 21A, 23A, 24A on a predetermined side, and an installment allowance 21B, 22B, 23B, 24B on the mounting side.
A large number of stop holes 25, which are inserted into the bolt shafts 13 of the support gutter 12, are provided at the same intervals as the bolt shafts 13. Each installation fee 21B, 22
B, 23B and 24B are doubled by bending for reinforcement. After overlapping the corresponding sides of each sheet, the seam allowance 21A,
The roof curtain 20 is formed by stitching at 23A and 24A. When the front sheet 21 and the rear sheet 22 are sewn together, as shown by the phantom line in FIG. 6, a pull cord is attached to the ridgeline 20A of the roof curtain 20. 26 is arranged, and the drawstring 26 is sewn together with the sewing of both the sheet portions.

The ceiling curtain 18 and the roof curtain 20 are formed of non-breathable sheets that do not allow air to pass therethrough. For example, a multilayer laminated resin sheet, a rubber-coated or resin-processed sheet, or the like can be used. The sewn portion of the roof curtain 20 is rubberized or coated with a resin to make it non-breathable.

Further, one side surface portion of the roof curtain 20, in the present embodiment, a left side surface sheet 24 is provided with a mounting hole 27 for the exhaust fan 30.
(See FIG. 6) is provided, and the exhaust fan 30 shown in FIG. 11 is mounted in the mounting hole 27. As shown in FIG. 11, the exhaust fan 30 is a support member for the exhaust holes 31A of the support plate 31.
A motor M is fixed to 32, and a rotary blade 33 is attached to the shaft of the motor M. A cylindrical body 34 surrounding the rotary vane 33 is fixed to the exhaust hole 31A. The rotating blade 33 is rotated at a high speed in a fixed direction by energization of the motor M, and air is strongly exhausted from the cylindrical body 34. Exhaust fan 30 with cylinder 34 attached to support plate 31
The support plate 31 inside the left side seat 24,
With 34 protruding outward from mounting hole 27,
31 and the seat part are fixed by sewing. This sewn is sewn using the sewn holes 31B in the peripheral portion of the support plate 31, and the sewn portion is processed to be air-impermeable by rubber coating or resin coating.

However, a ceiling curtain 18 shown in FIG. 5 is stretched over the portion of the main body 2A shown in FIGS. Ceiling curtain
After 18 covers the ceiling part, as shown in FIG. 7, the mounting margin 18A on the outer periphery is pulled into the support gutter 12 and the fixing hole 19 of the mounting margin 18 is deeply inserted into each bolt shaft 13 of the support gutter 12. . The ceiling curtain 18 is fixed by inserting the mounting margin 18 on the outer periphery into the bolt shaft 13.

Thereafter, a non-breathable band-shaped cushion plate 36 is attached to the bolt shaft 13 of each support gutter 12. As shown in FIG. 7, the band-shaped cushion plate 36 is made of a band body having through holes 36A at equal intervals with the bolt shaft 13, and has a mounting margin 18A for the ceiling curtain 18.
， Installation cost 21B, 22B, 23B, 24B of the roof curtain 20 is bolt shaft 13
It is for forming a closed structure when it is attached to and tightened.

Next, the roof curtain 20 formed in a roof shape is arranged on the ceiling curtain 18 with the front sheet 21 facing the front side of the main body 2A, and the pull cord 26 on the right side of the roof curtain 20 is main body.
2A Right side of the support tube 15 is introduced into the tube through the trochanter 15A, pulled out of the tube, and temporarily fixed in a tension shape. Also, the roof curtain
The drawstring 26 on the left side of 20 is introduced into the tube through the trochanter 15A of the support tube 15 on the left side, pulled out of the tube, and temporarily fixed in a tension shape.

Next, the mounting margins 21B, 22 on the periphery of the roof curtain 20
B, 23B, 24B are pulled into the support gutter 12, and the stop holes 25 are sequentially inserted into the bolt shafts 13 of the support gutter 12. Perimeter mounting cost 21B,
After inserting all the stop holes 25 of 22B, 23B, 24B into the bolt shaft 13,
Perforated plate 38 having bolt holes 38A as shown in FIG.
Insert the bolt into the bolt shaft 13 and, as shown in FIG.
A nut 39 is fastened to 13 so that the peripheral portion of the roof curtain 20 is tightly fixed.

Thereafter, the temporarily fixed pull cord 26 is finally stopped. As shown in FIG. 10, this book stopper has a drawstring 26.
Hang a weight 41 on the end of the
A tension spring 43 is interposed between the roofs 26 so that the roof curtain 20 maintains a predetermined shape. In addition, the drawstring 26 is a
The lower end of 26 may be fixed immovably, but when fixed movably as shown in FIG. 10, the roof curtain easily responds to temperature changes and atmospheric pressure changes in four seasons, improving durability. It is possible and preferable. Thus, the roof space S between the ceiling curtain 18 and the roof curtain 20 in the state where the drawstring 26 is fully stopped has a closed structure except the exhaust hole 31A of the exhaust fan 30.

After that, when the motor M of the exhaust fan 30 is energized to rotate the rotary vanes 33, the air in the roof space S is exhausted to the atmosphere, and as shown in FIG.
Is more negative than the outside air (low pressure), the ceiling curtain 18 is the main body 2A.
The roof curtain 20 is held in a tensioned state in which the roof curtain 20 is pulled toward the ceiling. Therefore, the outer appearance of the roof curtain 20 has a beautiful shape without wrinkles, and the ceiling viewed from the inside of the main body 2A has a beautiful ceiling surface that rises upward. The curtain roof structure 1 of this embodiment can be made lighter than a conventional roof structure such as a tiled roof, a panel-lined roof, or a corrugated iron roof, so that the building is not damaged by vibration such as an earthquake. The building 2 provided with the curtain roof structure 1 is used for various purposes such as an exhibition hall and a sports hall.

Although the exhaust fan 30 is always driven in the above-mentioned embodiment, an opening / closing valve is attached to the exhaust hole 31A of the exhaust fan 30 and after the roof space S is set to a predetermined negative pressure from the outside air. A structure may be employed in which the on-off valve is closed to stop the rotary blade 33 (not shown).

Although the main body 2A of the building 2 of the above-described embodiment is formed in a rectangular parallelepiped shape, the present invention is not limited to this shape and can be applied to a cubic or circular dome-shaped main body. The shape of the roof curtain 18 can also be a triangular shape, a hemispherical shape that bulges upward, a kamaboko shape, or any other suitable mountain shape that can drain rainwater. The sealing means for mounting the mounting margins 18A, 21B, 22B, 23B, 24B of the ceiling curtain 20 and the roof curtain 18 on the peripheral portion of the upper side of the main body 2A is not limited to the above-mentioned structure, and other sealing means may be used.

In the case of the present embodiment, the ceiling curtain 18 and the roof curtain
The area of 20 is large, and there is a risk that air may enter from a part of the curtain sheet or somewhere incompletely sealed. However, when the exhaust fan 30 is constantly driven, the roof space S can be maintained in a favorable negative pressure state. The exhaust fan 30 for making the roof space S a negative pressure is not limited to the fan type, and may be an appropriate exhaust means, and the exhaust means should be attached to a part of the roof curtain 20 or a part of the ceiling curtain 20. Is also possible. Further, the support tube 15 for fixing the drawstring 26 can be a supporting rod or an appropriate supporting means for supporting the drawstring.

[0025]

According to the invention of claim 1, since the roof and the ceiling are formed of the curtain, the construction cost can be reduced, and the effect of excellent earthquake resistance can be obtained. Further, according to the present invention, since the supporting members for supporting the roof and the ceiling, especially the pillars in the room can be omitted, it is possible to construct a large floor area such as a gymnasium, an indoor baseball field, an exhibition room or a supermarket. Suitable. According to the invention of claim 2,
In addition to the effect of the invention of claim 1, the negative pressure is constantly maintained by the exhaust means.

[Brief description of drawings]

FIG. 1 is a perspective view of a building to which a curtain roof structure is applied.

FIG. 2 is a front view of a building body.

FIG. 3 is a plan view of a building body.

FIG. 4 is a side view of the building body.

FIG. 5 is a development view of a ceiling curtain.

FIG. 6 is an exploded development view of a roof curtain.

FIG. 7 is a process drawing of mounting the ceiling curtain.

FIG. 8 is a process diagram of attaching a roof curtain.

FIG. 9 is a structural diagram of a mounting portion of a ceiling curtain and a roof curtain.

FIG. 10 is a side view of a pulling means mainly including left and right support members.

FIG. 11 is a structural diagram of exhaust means. (A) is a state view attached to the roof curtain, and (B) is an exploded view of the exhaust means.

FIG. 12 is an operation explanatory view of the curtain roof structure.

[Explanation of symbols]

 1 curtain roof structure 2 building 2A main body 11 floor beam 12 support gutter 13 bolt shaft 15 support tube 15A trochanter 18 ceiling curtain 18A, 21B, 22B, 23B, 24B installation allowance 19 stop hole 20 roof curtain 25 stop hole 26 drawstring 30 Exhaust fan 31A Exhaust hole 33 Rotating blade 36 Band-shaped cushion plate 38 Perforated plate 39 Nut 41 Weight 42 Fixing device 43 Extension spring S Roof space

Claims (2)

[Claims] 1. A roof structure of a building formed together with a ceiling, comprising two non-air-permeable sheets, a roof curtain supported in a mountain shape by a supporting member, and a flat ceiling curtain disposed inside the roof curtain. -Mainly the curtain body, the peripheral portions of both curtain bodies are directly or indirectly fixed to the upper edge periphery of the building body, and both curtain bodies are sealed along the upper edge periphery of the building body or in the vicinity thereof. The curtain roof structure is characterized in that it is processed into a shape and a negative pressure-sealed space is formed between both curtains. 2. The method according to claim 1, wherein the airtight space between the roof curtain and the ceiling curtain is always kept in a negative pressure state by exhaust means provided in the roof curtain or a part of the ceiling curtain. The characteristic curtain roof structure.