JPH0436345Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to temporary floor panels for gymnasiums, and particularly to temporary floors that can be easily erected and removed manually in gymnasiums that are set up for multipurpose use.

BACKGROUND OF THE INVENTION Many gymnasiums constructed recently are designed to be used as multipurpose halls.
In this case, the gym floor has a concrete finish;
Meetings, events, exhibitions, expositions, product exhibitions, etc. can be held here, and in the winter, ice can be covered to create a skating rink, while panels can be erected on the concrete floor to host basketball, volleyball, and tennis. You can participate in all kinds of sports, including various ball games such as handball, judo, kendo, and track and field.

Problems that the invention aims to solve All of the components of the conventional temporary floor panels used in the above cases are made of wood, which is assembled into panels by nailing, etc., but the weight of this wooden panel is Very heavy at 85Kg/ ^2m2 . The floor panels will be erected and removed in 1 to 2 days before and after the competition period, but the area will be, for example, 1000 to 2000 m ² /1 gymnasium (floor panels 500 to
1,000 pieces), and handling the heavy wooden floor panels mentioned above requires the labor of many people, a lot of time and man-hours, and the cost is also large.
Therefore, there is a strong demand for lighter weight floor panels.

The object of the present invention is to provide a temporary floor that solves the above problems.

Means for Solving the Problems The temporary floor for a gymnasium according to the present invention consists of a pedestal member of a predetermined height that is fixed to the existing floor, and a floor panel body that is mounted on and connected to the pedestal member, The floor panel main body has a sandwich structure in which a hollow core material such as a roll core is surrounded by peripheral edge materials and sandwiched between plywood, and the frame members are a peripheral frame made of a hollow body and a reinforcing frame, and the peripheral frames are arranged on adjacent sides. It is characterized by having a storage part, and a connection adjustment member inserted between the storage parts to bridge and connect the peripheral frames and mutually restrict vertical and horizontal movements of the peripheral frames.

Effects According to the present invention, since the floor panel and the frame member are made of hollow bodies, weight reduction is significantly improved. and,
Since the pedestal members are connected by the connection and unevenness prevention adjustment member, the floor panel does not move vertically or horizontally.

Embodiment Embodiments of the present invention will be described below with reference to FIGS. 1 to 4.

FIG. 1 is an exploded perspective view of a floor panel main body 1, and FIG. 2 shows a state in which a frame member 2 made of a profile is attached to the floor panel main body 1 and is erected on a concrete floor surface 3 of a gymnasium. FIG. 3 is a plan view showing the structure of the pedestal member 2, and FIG. 4 is an overall plan view of the pedestal member 2.

In each figure, the floor panel body 1 is a hollow core material 4
It has a structure in which both the upper and lower end surfaces of the board are sandwiched between plywood boards 5 and 6. To explain further, 7 is the middle frame, 8
9 is a peripheral edge material assembled into a rectangular shape to form the intermediate frame 7, 9 is a reinforcing frame arranged in parallel inside the peripheral edge material 8, and each reinforcing frame 9, 9... there are reinforcing frame members 10 at both ends. , 10... are arranged. Then, the hollow core material 4 is filled into the spaces A, B, . . . defined by the reinforcing frame 9 and the reinforcing frame material 10. The hollow core material 4 is a honeycomb core material or a roll core material, and these materials are made of aluminum, paper, veneer, plastic, or the like.

When manufacturing the floor panel body 1, the lower plywood 6
is supported horizontally on a support stand, and the intermediate frame 7 is placed on top of it and fixed with an adhesive or the like. Next, the space A of the intermediate frame 7 is filled with the hollow core material 4. At this time, adhesive is applied to the upper and lower end surfaces of the hollow core material 4, so first, the lower end surface of the hollow core material 4 and the lower plywood 6
Then, by applying the upper plywood 5 to the upper end surface of the intermediate frame 7, the upper end surface of the hollow core material 4 and the plywood 5 are fixed. The space between the upper plywood 5 and the intermediate frame 7 may also be fixed with an adhesive or the like, so that when the hollow core material 4 is sandwiched,
A floor panel main body 1 having plywood boards 5 and 6 integrally provided at both ends is completed. Note that a floor finishing material is attached to the upper surface of the upper plywood 5. The frame structure of the intermediate frame 7 shown in FIG. 1 is an example of a structure in consideration of weight reduction and strength, and may be other than that shown.

Next, the frame member 2 that supports the floor panel main body 1
(hereinafter abbreviated as pedestal 2) will be explained. As can be seen from FIG. 4, this pedestal 2 consists of a peripheral pedestal 11 assembled in a rectangular shape when viewed from above, and a plurality of reinforcing pedestals 12, 12, . . . arranged in parallel inside the peripheral pedestal 11. The floor panel main body 1 shown in FIG. 1 is placed on the top surface of this pedestal 2 and fixed using connecting fittings such as bolts, screws, rivets, etc. The details will be explained with reference to FIGS. 2 and 3. .

That is, the peripheral pedestal 11 and the reinforcing pedestal 12 are constructed by cutting a long shaped material with the illustrated cross section into a predetermined length dimension, and then joining the ends of each of the shaped materials to form the pedestal 2. The cross-sectional structures of the peripheral frame 11 and the reinforcing frame 12 are shown in FIG. First, the peripheral frame 11 has a box-like cross section consisting of inner and outer walls 11a, 11b and upper and lower walls 11c, 11d, and by making the inside a hollow part 15, it is possible to maintain strength and reduce weight with a mold made of a small amount of material. There is. Support parts 13 and 14 are integrally molded on both sides from the upper surface of the peripheral frame 11, and these are applied to the lower surface of the floor panel main body 1, and the support parts 1
The floor panel body 1 and the peripheral frame 11 are integrated by screwing wood screws 16 into the floor panel body 1 from the lower side of the floor panel 3 and applying adhesive to the joint surfaces.

In the peripheral frame 11, a frame part 18 is made to protrude downward from the outer wall 11b in parallel with the support part 14, and the tips of the support part 14 and the frame part 18 are bent to opposite sides to form an opening. 19, and a storage portion 21 is formed inside the opening 19 into which a novel connection adjustment member 20, which will be described later, can be inserted.

Further, the reinforcing frame 12 also has a box-like cross section consisting of both side walls 12a, 12b and upper and lower walls 12c, 12d, and has a hollow part 15 on the inside, so that, like the peripheral frame 11, strength can be maintained with a small amount of material. , and is designed to be lightweight. Support portions 2 are provided at the upper ends of both side walls 12a and 12b of the reinforcing frame 12, respectively.
2 and 23 are integrally molded, and this is applied to the lower surface of the floor panel main body 1, and the wood screws 16 are screwed into the floor panel main body 1 from below, and adhesive is applied to the joint surface to connect the floor panel main body 1. It is integrated with the reinforcing frame 12.

The coupling structure between the peripheral pedestal 11 and the reinforcing pedestal 12 will be described with reference to FIGS. 3 and 4. First, both ends of the peripheral pedestal 11, which is assembled into a rectangular shape when viewed from above, are cut diagonally at an angle of 45 degrees, and the ends of the peripheral pedestal 11 located on the long and short sides of the pedestal 2 are joined at right angles. As schematically shown in FIGS. 2 and 3, corner connectors 25 having a substantially L-shape when viewed from above are connected to the corner joints 24 from the inner and outer walls 11a of each peripheral frame 11 at right angles. , 11b, and the corner connector 25 and the inner and outer walls 11a,
11b is fixed with a connecting tool 26 such as a blind rivet or screw.

Next, as shown in FIG.
a, 12b and the upper and lower walls 12c, 12d, so that the edges of the supporting parts 22, 23 and the supporting part 13 inside the peripheral frame 11 meet at the same level, and both side walls 12a, 12b and the ends of the upper and lower walls 12c and 12d are inserted into the opening 27 formed in the inner side wall 11a of the peripheral frame 11, and
The top wall 11c of the peripheral pedestal 11 and the top wall 12c of the reinforcing pedestal 12 are integrally fixed by fasteners 28 such as blind rivets or screws by applying and fixing the tip to the inner surface of the outer wall 11b.

As described above, the peripheral frame 11 and the reinforcing frame 12 are installed.
are assembled to form the pedestal 2 shown in FIG. 4, and the aforementioned floor panel main body 1 is fixed thereon. A large number of floor panels constructed in this way are laid on the concrete floor of the gymnasium, and each floor panel is connected so that they do not shift relative to each other.For this purpose, a newly developed connection adjustment member 20 is used. is used.
That is, the connection adjustment member 20 has a substantially H-shaped cross section, and the bulging portions 20a, 20a at both ends are inserted into a housing portion 21 that is arranged relative to each other so as to connect them to each other.
Therefore, the protruding portions 29 of the storage portion 21 formed on the outside of each peripheral frame 11 located on the long side and the short side and intersecting at right angles are cut at the positions of the cutting lines 30 at the four corners of the frame 2 shown in FIG. The connection adjustment member 20 is inserted into the storage portion 21 through the insertion opening 31 formed thereby. In this way, the connection adjustment member 20 is used to connect the mounts 2 that are arranged relative to each other, and the unevenness is adjusted, ensuring that the floor panels are prevented from joining unevenly, and various ball games can be played on the upper floor surface. . Also, pedestal 2
By filling the space 32 formed by the peripheral pedestal 11 and the reinforcing pedestal 12 with sliced urethane foam or the like, vibration and soundproofing effects can be achieved against violent movements on the upper surface of the floor panel main body 1. In addition,
It is preferable that the foam fillers are bonded together using an adhesive and also bonded to the pedestal 2 side.

Furthermore, depending on the case, the hollow parts 15 of the peripheral pedestal 11 and the reinforcing pedestal 12 may also be filled with foam material, which improves the buckling strength of the peripheral pedestal 11 and the reinforcing pedestal 12. Side wall 11a, 1
1b, 12a, 12b, upper and lower walls 11c, 11d,
The plate thicknesses of 12c and 12d can be made even thinner. Furthermore, the pedestal 2 is formed of a shape material and is assembled by joining using corner connectors 25 and fasteners 26, but this is to avoid a rigid structure such as a welded structure, and the pedestal 2 has a flexible structure due to the shape material. Therefore, even if the concrete floor of a gymnasium is uneven, the entire panel can twist to fit onto the concrete floor. Furthermore, the use of a shaped material makes it easy to form a hollow structure, which is advantageous in reducing the weight of the pedestal 2.

Effects of the invention According to the invention, since the temporary floor consists of a hollow floor panel and a frame member, it can be made lighter overall, and the number of people, time, and cost required for setting up and removing the temporary floor can be significantly reduced. be done. moreover,
Since the connection and unevenness prevention adjustment member is inserted between the peripheral frames to connect the adjacent peripheral frames, displacement and unevenness of the floor panels are prevented, and a floor surface suitable for a gymnasium can be formed.

[Brief explanation of drawings]

Fig. 1 is a perspective view showing each member of the floor panel main body according to the present invention separated, Fig. 2 is a cross-sectional view of the floor panel assembled on a concrete floor, Fig. 3 is a partially enlarged plan view of the frame member, FIG. 4 is an overall plan view of the pedestal member. 1... Floor panel main body, 2... Frame member, 5, 6
...Plywood, 8...Peripheral edge material, 12...Reinforcement frame,
20... Connection and unevenness prevention adjustment member, 21... Storage section.

Claims (1)

[Scope of utility model registration request] It consists of a frame member of a predetermined height that is fixed to the existing floor, and a floor panel body that is mounted on and connected to the frame member, and the floor panel body has a hollow core material such as a roll core surrounded by peripheral edge material. The sandwich structure is sandwiched between plywood, and the pedestal members include a hollow peripheral pedestal and a reinforcing pedestal, and the peripheral pedestals have storage sections on adjacent sides, and are inserted between the storage sections to form the peripheral mount. A temporary floor for a gymnasium, characterized in that it has a connection adjustment member that bridges and connects the space between the frames and mutually restricts vertical and horizontal movement of peripheral frames.