JP3394316B2 - Building - 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 having a large space usable as a baseball field, a soccer field, etc.
The present invention relates to a second ceiling surface that can be easily formed below the ceiling as needed.

[0002]

2. Description of the Related Art Normally, sports games that require a large space such as baseball and soccer are held outdoors, but in recent years,
Buildings having a large space where these sports competitions can be carried out have been constructed. Since such a building has a larger capacity than a general gymnasium or the like, it may be used recently for a large event such as a concert.

[0003]

However, since most of the buildings having the large space as described above are planned and constructed for the above-mentioned sports competition (particularly ball games), the ceiling and the ceiling are naturally installed. The higher the empty space becomes, the larger the empty space becomes, and in proportion to this, the acoustic effect becomes worse (long reverberation time). Therefore,
In such a building, the higher the ceiling, in other words, the larger the space, the less suitable it is for a music event such as a concert.

The present invention has been made in view of the above circumstances. By forming a second ceiling surface below the ceiling of a building having a large space, the acoustic effect can be improved (reverberation time can be shortened). It is an object of the present invention to provide a building capable of visually reducing the volume of space more than necessary and thereby creating a space suited to each purpose of multipurpose use.

[0005]

In order to achieve the above object, a building according to claim 1 of the present invention is a flexible sheet which is provided on an upper part of an inner wall of a building body and serves as a second ceiling surface. It comprises a winding device capable of winding and unwinding, and an elevating part which is suspended from the ceiling so as to be able to elevate and lower, and the leading end of the unwound sheet is locked.

The building of claim 2 is the same as that of claim 1.
The seat is composed of a number of divided sheets arranged along the inner wall of the building body, and the elevating part is suspended from the central part of the ceiling so that it can be raised and lowered, and the tip of the unwound divided sheet is locked. It is configured to.

The building of claim 3 is the same as that of claim 2.
Lighting equipment is attached to the elevating part.

[0008]

In the building according to the first aspect of the present invention, the sheet is unwound from the winding device, the leading end of the sheet is locked to the elevating part, and the elevating part is raised, thereby By easily forming the second ceiling surface below with the seat, the acoustic effect is improved (reverberation time is shortened) and the volume of the space more than necessary is visually reduced, thereby enabling each of the multipurpose uses. Create a space that suits your purpose.

In the building according to the second aspect of the present invention, the sheet is composed of a large number of divided sheets, so that the divided sheet to be pulled up by the elevating unit is appropriately selected, and the acoustic effect and the like are adjusted by this, and the divided sheet is also divided. Since the second ceiling surface formed by the sheet is a conical surface that gradually expands downward, a three-dimensional ceiling surface can be formed.

According to the third aspect of the present invention, by providing the lighting device in the elevating part for pulling up the divided sheets,
A second conical surface that gradually expands downward
Since the lighting equipment is located above the ceiling surface of the building, the interior of the building can be efficiently illuminated.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the building of the present invention will be described below with reference to FIGS. Reference numeral 1 in these figures
Indicates the building body. The building body 1 is basically composed mainly of a floor portion 2, a side wall portion 3 and a roof portion 4, and has a polygonal shape in a plan view. The roof portion 4 is formed by arranging a large number of rod-shaped steel materials 5 ... In a truss shape to form a skeleton 6, and a sheet-like roof material is laid on the skeleton 6, and is configured as a dome shape as a whole. A circular opening is formed at the top of the roof 4, and a daylight roof 8 having a skylight 7 for taking in natural light is provided in the building body 1 above the opening.

Below the daylighting roof 8, there is provided a daylighting part 10 for daylighting the natural light taken in through the skylight 7 into the building body 1 so as to be blocked. The daylighting section 10 is mainly composed of a large number of wings 11 ... Which are rotatably provided around an axis, and a drive section 12 for synchronously rotating the wings 11. The wings 11 are arranged around the central axis of the opening, and are opened and closed by being rotated synchronously by the drive unit 12. In the opened state, the wings 11 are all substantially parallel to the light. Then, it becomes possible to illuminate, and in the closed state, the wings 11 ...
Everything is almost at right angles to the light and blocks light. A sound absorbing plate is attached to one surface of the wing 11, and a reflecting plate is attached to the other surface of the wing 11, so that the acoustic effect in the building body 1 can be adjusted according to the purpose.

Further, as shown in FIGS. 2 and 3, a flexible sheet that serves as a second ceiling surface is wound around the upper portion of the inner wall surface of the side wall portion 3 so that the sheet can be unwound.
Is provided. That is, a large number of support frames 16 ... Are horizontally arranged in the upper portion of the inner wall surface of the side wall portion 3 along the circumferential direction with a slight gap. On the other hand, among the steel materials 5 constituting the skeleton 6 of the roof portion 4, the steel material 5 located on the outer peripheral side of the roof portion 4, that is, on the inner wall surface upper side of the side wall portion 3, has a predetermined size as shown in FIG. A pair of mounting frames 17 and 18 are suspended at intervals, and both ends of the support frame 16 are mounted to the lower ends of the mounting frames 17 and 18.

Each of the support frames 16 has a structure shown in FIGS.
As shown in FIG. 3, the take-up roller 20 is rotatably supported around the shaft. A split sheet 21 is wound around each winding roller 20. Each of the divided sheets 21 is a cloth-like member formed of a flexible glass fiber or the like, and is configured so that the width gradually narrows toward the tip side thereof. Therefore, when the respective divided sheets 21 wound around the respective take-up rollers 20 are unwound from the take-up rollers 20 and their leading ends are located on the same circle, they are adjacent to each other in the circumferential direction as shown in FIG. The divided sheets 21 and 21 are arranged close to each other to form an integral sheet 22. A hook 21a is formed at the leading end of the split sheet 21 for locking the leading end to a lift 32, which will be described later.

A pulley 23 is coaxially attached to the shaft of the winding roller 20, a motor 24 is attached to the support frame 16, and a pulley 25 is attached to a drive shaft of the motor 24. There is. An endless belt 26 is hung on the pulley 25 and the pulley 23, whereby the rotation of the motor 24 is prevented from occurring by the pulley 2
5, take-up roller 20 via belt 26 and pulley 23
To be transmitted to. The motor 24 is a geared motor with a brake and can rotate in forward and reverse directions.

Further, the support frame 16 is provided with a limit switch 27 above the motor 24, and the rotation amount of the motor 24 is transmitted to the limit switch 27 via a belt 28. The amount of rotation of 24 is controlled, that is, the take-up roller 20
The amount of winding and the amount of unwinding of the divided sheet 21 are controlled. A guide pipe 28 is provided below the take-up roller 20 on the support frame 16. The guide pipe 28 is used for the winding roller 2
It has the same length as 0 and is arranged in parallel with the winding roller 20, and guides the winding / unwinding of the divided sheet 21 to / from the winding roller 20 to cause the divided sheet 21 to have wrinkles or the like. It is designed to wind and unwind straight without being forced to do so.

On the inner surface of the roof 4, that is, the ceiling, as shown in FIG. 1, a steel material 5 constituting the frame 6 is formed.
A suspension frame 29 is hung on the suspension frame, and lifting devices 30 ... Are installed on the suspension frame. The elevating device 30 has a drum (not shown) around which a wire 31 is wound, and is configured to elevate and lower the wire 31 by driving the drum by a drive source (not shown). An elevating part 32 is connected to the tip of the wire 31. The elevating part 32 is a ring-shaped part arranged below the central part of the ceiling, and a hook 21a formed at the tip part of the divided sheet 21 is releasably engaged with the outer peripheral part thereof. ing. In addition, lighting devices 33 are attached to the lower surface of the elevating part 32 at predetermined intervals along the circumferential direction. The lighting fixture 33 may be embedded in the elevating part 32 as shown in FIG.
You may make it hang to the raising / lowering part 32. Then, the elevating unit 32 is configured to elevate and lower at a position below the daylighting unit 10 by winding and unwinding the wire 31 by the elevating device 30.

Next, a method of forming the second ceiling surface in the building having the above structure will be described. First, the wire 31 is unwound by the lifting device 30, and the lifting unit 3
Lower 2 and place on the floor. Then, each winding roller 20 of the winding device 15 is rotated in the unwinding direction by each motor 24, and each divided sheet 21 is unwound to such an extent that the leading end of the divided sheet 21 reaches the elevating part 32 placed on the floor. . The amount of unwinding is controlled by the limit switch 27. Also, when the elevating part 32 descends,
The division sheets 21 may be unwound simultaneously.

Next, after hooking the hook 21a formed at the tip of each unrolled divided sheet 21 to the elevating part 32, the wire 31 is taken up by the elevating device 30.
The elevating part 32 is lifted up to just below the suspension frame 29. Then, the tip ends of the divided sheets 21 are pulled up, the divided sheets 21 integrally form the sheet 22, and the sheet 22 serves as the second ceiling surface. in this case,
Since the lighting fixture 33 is attached to the elevating part 32, it is possible to install the illumination at an optimum position at the same time when the second ceiling surface is formed. Further, in order to remove the second ceiling surface thus formed, the elevating part 32 is lowered again, the division sheets 21 ... Are removed from the elevating part 32, and the division sheets 21 ... Taker 15
It is carried out by winding up and raising the elevating part 32.

As described above, in the building of this embodiment, since the second ceiling surface can be easily formed below the ceiling by the sheet 22, the acoustic effect is improved (reverberation time is shortened). At the same time, the volume of the space more than necessary is visually reduced, and by doing so, the space can be created for each purpose of multipurpose use. In addition, the acoustic effect and the like can be adjusted by adjusting the pull-up height of the sheet 22 that forms the second ceiling surface. Further, the frame 22 of the ceiling is covered with the sheet 22, and the sheet 22 is formed of cloth such as glass fiber, so that the inside of the building body 1 has a cloth texture and is gentle.

Further, the sheet 2 forming the second ceiling surface
Since 2 is composed of a large number of split sheets 21, ..., The split sheet 22 to be pulled up can be appropriately selected, and the acoustic effect and the like can also be adjusted by this. In addition, since the tip end portion of the divided sheet 21 is pulled up by the elevating portion 32 that is hung up and down from the center of the ceiling, the second ceiling surface formed by these divided sheets 21 faces downward. Therefore, it becomes a conical surface that gradually expands, and a three-dimensional ceiling surface can be formed, so that a visually expanded space can be obtained,
Further, since the lighting fixture 33 is located above the conical surface, the interior of the building body 1 can be efficiently illuminated. Also,
When the second ceiling surface is formed, the split sheets 21 ... Are unrolled to reach the floor surface. At this time, if the split sheets 21 ... Are decorated according to various events, scaffolding or the like is assembled. It is possible to safely and easily decorate the second ceiling surface without the need.

In the above embodiment, the sheet 22 forming the second ceiling surface is composed of a large number of divided sheets, but the present invention is not limited to this, and the sheet 22 may be composed of a single sheet. In this case, the elevating part 32 for pulling up the end part of the seat is provided not at the center part of the ceiling but at the end part of the ceiling.

[0023]

As described above, according to the first aspect of the present invention.
According to the building of, it is provided on the upper part of the inner wall of the building body,
A winding device capable of winding and unwinding a flexible sheet that serves as a second ceiling surface, and an elevating and lowering device that is suspended from the ceiling so as to be vertically movable and the leading end portion of the unwound sheet is locked. Since the sheet is unwound from the winding device, the leading end of the sheet is locked to the elevating part, and the elevating part is raised, so that the sheet can be easily placed below the ceiling by the sheet. Since the surface can be formed, the acoustic effect is enhanced (reverberation time is shortened) and the volume of the space more than necessary is visually reduced, thereby creating a space that suits each purpose of multipurpose use. You can Also, the acoustic effect and the like can be adjusted by adjusting the pull-up height of the sheet forming the second ceiling surface.

According to the building of claim 2, the seat comprises a plurality of divided seats arranged along the inner wall of the main body of the building, and the elevating part is hung from the central part of the ceiling so as to be vertically movable. Since the unrolled divided sheet is configured to be locked at its tip portion, the divided sheet to be pulled up can be appropriately selected, and the acoustic effect and the like can be adjusted by this. In addition, since the second ceiling surface formed by the divided sheets becomes a conical surface that gradually expands downward, a three-dimensional ceiling surface can be formed, and even if the volume of the space itself becomes small, it is visually visible. You can get a wide space.

According to the building of claim 3, a lighting fixture is attached to the elevating part, and the lighting fixture is a conical surface which is formed by a division sheet and gradually expands downward. Since it is located on the top of the ceiling,
The interior of the building can be efficiently illuminated.

[Brief description of drawings]

FIG. 1 is a vertical sectional view showing an embodiment of a building of the present invention.

FIG. 2 is a semi-planar sectional view of the same.

FIG. 3 is a plan view showing a winding device provided in the building of the present invention.

FIG. 4 is a front view of the same.

5 is a view taken along the line AA in FIG.

[Explanation of symbols]

1 building body 15 Winding device 20 winding roller 21 split sheets 22 sheets 30 Lifting device 32 Lifting part 33 lighting equipment

─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yoshi Yamada 2-10-10 Fujimi, Chiyoda-ku, Tokyo Maeda Construction Industry Co., Ltd. (72) Hiroshi Murakami 2-10-26 Fujimi, Chiyoda-ku, Tokyo Maeda (56) References JP-A-5-44349 (JP, A) JP-A-3-287944 (JP, A) JP-A-59-88550 (JP, A) JP-A-2-289742 ( JP, A) JP 63-289154 (JP, A) JP 6-57849 (JP, A) (58) Fields investigated (Int.Cl. ⁷ , DB name) E04B 9/00 E04H 3/14 G10K 11/00-13/00

Claims (3)

(57) [Claims] 1. A building in which a second ceiling surface can be formed below a ceiling of a building body, the sheet being provided on an upper portion of an inner wall of the building body and having a flexibility to serve as the second ceiling surface. A winding device capable of winding and unwinding the sheet, and an elevating part which is suspended from a ceiling so as to be vertically movable and to which the leading end of the rolled-out sheet is locked. Building. 2. The sheet is composed of a plurality of divided sheets arranged along the inner wall of the building body, and the elevating part is hung up and down from the central part of the ceiling, and the tip of the divided sheet unwound. 2. The portion is locked.
The listed building. 3. The building according to claim 2, wherein a lighting fixture is attached to the elevating part.