JP2003148001A - Air beam house and air beam for use therein - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air beam house which can easily and quickly form a shielding space having a target size, and to provide air beams for use in the air beam house. SOLUTION: The air beam house 10 is constructed by forming a skeleton structure 11 having a plurality of columns 13 and beams 14 of the respective air beams, and covering the skeleton structure 11 with a sheet material 12. The skeleton structure 11 has length adjusting means 20 for adjusting the length of each of the columns 13 and the beams 14, and the shielding space having the target size can be easily formed by the length adjusting means 20.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to, for example, at a device installation site in a building, for chipping work of concrete in which generation of dust is inevitable and for assembling work / curing / temporary storage of devices that dislike dust. The present invention relates to an air beam house for easily constructing a shielded space of a required scale at a desired position, and an air beam used for the same.

[0002]

2. Description of the Related Art Conventionally, in order to provide a shielded space for preventing dust from coming in and out, a frame structure made of wood is created, or a wire is stretched between columns of a building to cover the frame structure with a sheet material. The method has been adopted. However, these methods have a problem that the structure becomes complicated and it takes time and labor to set up and remove them.

As a solution to the above problems, there is known an air beam type shielded space, a so-called air beam house, which has a simple structure and can be easily installed and removed. Figure 7
It is a front view of the conventional air beam house. The air beam house is composed of a frame structure 1 and a sheet material 2 such as a vinyl sheet covering the frame structure 1. The frame structure 1 has a plurality of columns 3
Although not shown in the drawing, the beam is extended in the direction perpendicular to the plane of the drawing and the whole is three-dimensionally formed. The frame structure 1 forming the columns 3 and the beams 4 is formed of a tube made of a flexible sheet, that is, an air beam.
A gas inlet / outlet portion 5 with a check valve is provided in a part of the above.

The air beam constituting the frame structure 1 has columns and beams shaped by enclosing a pressurized gas therein, and is stored and transported in a reduced state without the pressurized gas. Then, the skeleton structure 1 is arranged on the floor surface 6 which establishes the shielded space, and the gas inlet / outlet 5 is connected to the pressurized gas supply means 7 such as an air compressor to supply the pressurized gas into the air beam. As a result, the frame structure 1 shown in the drawing rises. Then, a sheet material 2 is provided on and around the frame structure 1.
The air beam house is completed by covering with a cover or connecting the edge of the sheet material 2 and the side edge of the air beam by means of a chuck or the like. In addition, when removing the air beam house, follow the procedure reverse to the above.

However, since the size of the frame structure 1 is fixed in the above-described air beam house, there is a problem that many types must be manufactured according to the intended area and height of the shielded space. .

[0006]

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a new air beam house which solves such a problem and an air beam used therein.

[0007]

An air beam house according to the present invention for solving the above problems comprises a frame structure having a plurality of columns and beams by an air beam, and a sheet material is attached to the frame structure. It is an air beam house to be formed. The frame structure is provided with means for adjusting the lengths of columns and beams (claim 1).

In the above air beam house, the length adjusting means is provided with a plurality of ring bodies provided at predetermined intervals along the longitudinal direction of the air beam and fixing means provided on each ring body, and the selected ring body is lengthened. The length of the column or the beam can be adjusted by reducing the portion of the air beam that moves in the direction and extends therefrom and fixing the ring body in that state by the fixing means (claim 2).

In the air beam house having the length adjusting means, a fixed leg having a hooking portion is connected to the bottom of each column, and the length adjusting means includes the hooking portion, and the selected ring body is included. It is possible to adjust the length of the column by hooking the fixing means of (1) to the hooking portion (claim 3).

Further, an air beam according to the present invention for solving the above-mentioned problems constitutes a frame structure of any of the above-mentioned air beam houses, and the frame structure is provided with means for adjusting lengths of columns and beams. (Claim 4).

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is an overall view of an air beam house according to the present invention. In the figure, 10 is an air beam house, 11 is a frame structure, 12 is a sheet material such as a vinyl sheet, 13
Is a pillar, 14 is a beam, 15 is a gas inlet / outlet part with a check valve, 16
Is a ring body, 17 is a fixing means, 18 is a fixing leg, and 19 is a hooking portion.

The air beam house 10 is provided with a frame structure 11 composed of an air beam, and a sheet material 12 covering the frame structure 11. In this example, the frame structure 11 has four columns 13 and beams 14 that connect the tops of the columns 13 to each other.
Have groups, which are integrally formed. Furthermore, each pillar 1
A portable fixed leg 18 is connected to the bottom of 3 by adhesion or the like. Although the beam 14 shown in the drawing has a mountain-shaped configuration, it may have a flat shape.

The air beam constituting the frame structure 11 is made by integrally molding a flexible plastic sheet such as polyvinyl chloride or polyethylene into a tubular shape.
In this example, the insides are all in communication. A partition for partially partitioning the inside may be provided, and an air supply hole may be provided for each part. Then, a pressurized gas supply source (not shown) is connected to the gas inlet / outlet portion 15, and the pressurized gas is supplied to expand and shape the pillars 13 and the beams 14 as shown in FIG. 1.

The gas inlet / outlet portion 15 of this example is provided with a check valve (not shown) having an opening lever, and after the pressurized gas is supplied to the inside of the air beam, the connection with the pressurized gas supply source is released. At this time, the pressurized gas inside does not flow out. When the air beam house 10 is removed, the pressurized gas inside can be discharged to the outside by operating the open lever of the check valve. Since such a check valve with an open lever is commercially available and is commonly used in various fields, a detailed description thereof will be omitted. Each pillar 13 and the beam 14 are provided with a plurality of ring bodies 16 at predetermined intervals along the longitudinal direction thereof, and the ring bodies 16 are provided with a plurality of fixing means 17 at predetermined intervals along the circumferential direction. The plurality of ring bodies 16 and the fixing means 17 constitute the length adjusting means 20 of the present invention.

FIG. 2 shows a ring body 16 and a fixing means 17 provided on the column 13 and a fixing leg 1 connected to the bottom of the column 13.
8 is a partial perspective view of 8 and the like, and FIG. 3 is an enlarged perspective view of a ring body 16 portion. In these figures, each ring body 16
Is composed of, for example, a metal band or a hard plastic band,
They are arranged at predetermined intervals along the longitudinal direction of the column 13, and are fixed to the outer peripheral surface of the air beam by adhesion or the like via a flexible fixing member 16a such as a rubber plate as shown in FIG. Further, one or a plurality of fixing means 17 (four in this example) are arranged at predetermined intervals along the circumferential direction of the ring body 16.
It is provided.

The fixing means 17 is made of metal or hard plastic, and has a base portion 17a protruding from the ring body 16 and a retaining portion 17b extending vertically from the tip of the base portion 17a as shown in FIG. When the ring body 16 and the fixing means 17 are made of a metal material, the ring body 16
When the base 17a of the fixing means 17 is fixed to the outside of the ring by welding or adhesion and the ring body 16 and the fixing means 17 are made of a hard plastic material, the ring body 16 and the fixing means 1
7 is integrally formed. In addition, the short cylindrical fixed leg 18
Is made of a metal or a hard plastic material, and a plurality of hooking portions 19 are provided on the side surface of the metal corresponding to the fixing means 17.

FIG. 2 shows the column 13 in a stretched state, and the ring bodies 16 are separated from each other. However, for example, by utilizing the hooking portion 19 of the fixed leg 18, the ring bodies 16 provided on the pillar 13 are brought close to each other,
The length of the pillar 13 can be adjusted. FIG. 4 is an enlarged perspective view when the length of the column 13 is adjusted to be short in this way. The hooking portion 19 provided on the fixed leg 18 has an elongated plate body 19a made of, for example, a thick rubber plate or a flexible plastic material, and one end of the plate body 19a has a rod-like fixed shape. A hooking hole 19c is provided on the side surface of the fixed leg 18 via a member 19b so as to be rotatable in the direction of the arrow, and in the vicinity of the other end thereof, two through holes are connected.

In order to shorten the length of the column 13 as shown in FIG. 4, first, the number of ring bodies 16 according to the length to be adjusted is fixed to the fixed leg 18 side before the pressurized air is introduced into the air beam. Then, the fixing means 17 of the uppermost ring body 16 that has been drawn next is inserted into the engaging hole 19c of the engaging portion 19 provided on the fixing leg 18. Next, by introducing a pressurized gas into the air beam, the length-adjusted column 13 is shaped. Therefore, in this case, the plurality of ring bodies 16, the fixing means 17, and the hooking portions 19 of the fixing legs 18 constitute the length adjusting means 20 of the present invention in the column 13.

The length of the column 13 can be adjusted to be short without using the fixed leg 18. For this purpose, the ring bodies 16 may be selected according to the length to be adjusted, and the fixing means 17 may be fastened to each other with a binding wire or a fastener such as a hook while keeping them close to each other. Therefore, in that case, the plurality of ring bodies 16, the fixing means 17, and the fasteners constitute the length adjusting means 20 of the present invention in the column 13.

FIG. 5 is a front view of the air beam house 10 when the pillar 13 is adjusted to be long, and FIG. 6 is a front view of the air beam house 10 when the pillar 13 is adjusted to be short. In addition, on the front of the air beam house 10, an opening / closing part 12 using a chuck or the like for the sheet material 12 for entrance and exit is provided.
a is provided.

The length of the beam 14 can be adjusted according to the column 13. For example, the ring bodies 16 are selected according to the length of the beam 14 to be adjusted, and the fixing means 17 are fastened to each other with fasteners such as bind wires in a state where they are brought close to each other. Therefore, in that case, the length adjusting means 20 of the present invention in the beam 14 is constituted by the plurality of ring bodies 16 provided on the beam 14, the fixing means 17, and the fastener.

Next, a method of setting up the air beam house 10 according to the present invention and a method of removing it will be described. To set up, first of all, the skeleton structure 1 in which no pressurized gas is introduced.
Place 1 in the setup area. Next, the lengths of the columns 13 and the beams 14 of the frame structure 11 are adjusted according to the size of the target shielded space. The method of adjusting the lengths is as described above, and thus the description thereof is omitted. Next, the pressurized gas supply source is connected to the gas inlet / outlet portion 15 provided in the air beam, the pressurized gas is introduced to shape the frame structure 11 as shown in FIG. 1, and then the pressurized gas supply source is removed.

Next, the air beam house 10 is completed by covering the top and the periphery of the frame structure 11 which has been shaped and three-dimensionalized with the sheet material 12. The sheet material 12 may be prepared in a plurality of sizes according to the size of the shielded space to be formed, but in the case of preparing a small shielded space by preparing one kind of one having a size capable of covering the maximum shielded space. It may be loosened appropriately before use. It is also possible to divide the sheet material 12 into a plurality of pieces and cover each of them at a predetermined position of the frame structure 11. Further, a plurality of fasteners may be provided at predetermined positions of the frame structure 11, and the sheet material 12 may be attached to the upper portion and the periphery of the frame structure 11 using the fasteners.

[0024]

As described above, the air beam house according to the present invention is characterized in that the frame structure is provided with the column and beam length adjusting means. Therefore, with a simple structure, various sizes of shielded space can be quickly formed with one touch,
Furthermore, the assembled air beam house can be quickly removed with one touch.

In the above air beam house, the length adjusting means includes a plurality of ring bodies provided at predetermined intervals along the longitudinal direction of the air beam and fixing means provided in each ring body, and the selected ring body is provided. It is possible to adjust the length of the column or the beam by moving in the longitudinal direction to reduce the air beam portion extending therefrom and fixing the ring body in that state by the fixing means. By doing so, the structure of the length adjusting means becomes simple and lightweight, and the length adjustment becomes easier.

In the air beam house having the length adjusting means, a fixed leg having a hooking portion is connected to the bottom of each pillar, and the length adjusting means includes the hooking portion, and the selected ring body is included. It is possible to adjust the length of the column by hooking the fixing means of the above to the hooking portion. With this configuration, the stability of the installed air beam house is improved, and the length of each pillar is more easily adjusted by using the fixed legs.

Further, the air beam according to the present invention can easily form the frame structure of any of the above air beam houses.

[Brief description of drawings]

FIG. 1 is an overall view of an air beam house according to the present invention.

FIG. 2 is a ring body 16 provided on a column 13 portion in FIG.
And FIG. 17 is a partial perspective view of a fixing leg 18 part connected to the fixing means 17 and the bottom of the column 13.

FIG. 3 is an enlarged perspective view of a ring body 16 portion in FIG.

FIG. 4 is an enlarged perspective view when the length of the column 13 in FIG. 2 is adjusted to be short.

FIG. 5 is a front view when the pillar 13 of the air beam house 10 of FIG. 1 is adjusted to be long.

FIG. 6 is a front view when the pillar 13 of the air beam house 10 of FIG. 1 is adjusted to be short.

FIG. 7 is a front view of a main part of a conventional air beam house.

[Explanation of symbols]

1 Frame structure 2 sheet materials Three pillars 4 beams 5 gas inlet and outlet 6 floor 7 Pressurized gas supply means 10 Air Beam House 11 Frame structure 12 sheet materials 12a Opening / closing part 13 pillars 14 beams 15 gas inlet and outlet 16 ring body 16a fixing member 17 Fixing means 17a base 17b Tomebe 18 Fixed leg 19 Hook 19a plate 19b fixing member 19c Hook hole 20 Length adjustment means

Claims (4)

[Claims] 1. A frame structure (11) having a plurality of columns (13) and beams (14) is formed of an air beam, and a sheet material (12) is attached to the frame structure (11) to form the frame structure. The air beam house, wherein the frame structure (11) is provided with length adjusting means (20) on at least one of a column (13) and a beam (14). 2. A plurality of ring bodies in which the length adjusting means (20) are provided at predetermined intervals along the longitudinal direction of the air beam.
(16) and fixing means (17) provided on each ring body (16), and moves the selected ring body (16) in the longitudinal direction to reduce the air beam portion extending from it, and the ring body in that state
The air beam house according to claim 1, characterized in that the length of the pillar (13) or the beam (14) can be adjusted by fixing the (16) with a fixing means (17). 3. A fixing leg (18) having a hooking portion (19) is connected to the bottom of each pillar (13), and the length adjusting means (20) includes the hooking portion (19). , The fixing means (17) of the selected ring body (16) to the hooking part (19)
The air beam house according to claim 2, wherein the length of the pillar (13) can be adjusted by hanging it on the air beam house. 4. An air beam constituting a frame structure (11) of an air beam house according to claim 1, wherein the frame structure (11) includes a column (13) and a beam ( 14) Length adjusting means (2
0) is provided.