JP3030524B2 - Floorboard - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a free access type floor panel used for laying another floor on a foundation floor in an office office or a general office.

[0002]

2. Description of the Related Art In an OA room or the like, a double-floor structure may be adopted in order to secure a space for wiring and the like under a floor. Even if there are uneven areas, the individual slabs that are laid will not rattle. Conventionally, a square member has been used for this floor plate, but a great deal of time has been required for adjustment during construction, and in recent years, a triangular member has been used.

According to this triangular member, three-point support is possible, so that it can easily follow the floor surface.
Although the adjustment at the time of construction is simple, both storage and transportation are more difficult than those of the square member, and the supporting points at the corners of the triangular member have acute angles, so that there is a drawback that the strength is insufficient. Therefore, at present, development of a floor panel having a quadrangular shape and triangular characteristics has been desired.

As a solution to this problem, Japanese Patent Application Laid-Open No. 57-1807
Japanese Patent Application Laid-Open No. 59-7676 discloses a method in which a mounting plate is provided on the lower surface of a corner of a triangular member to support an adjuster, and the triangular members are connected by a surface plate such as a carpet.
No. 3 describes a method of forming one of a top sheet and a bottom sheet as a triangle and the other as a square connection member on a floor panel formed of two steel sheets, a top sheet and a bottom sheet. I have.

[0005]

However, in the device described in Japanese Patent Application Laid-Open No. 57-180759,
Since a surface plate such as a carpet is adhered to the surface of the triangular member divided into two to form a square floor plate, there is a problem that it takes time to form the square floor plate. Also, JP-A-63
In the device described in -70763, there is a problem that the weight is increased and the cost is increased because two steel plates are used. The present invention has been made in view of the above-mentioned problems of the related art, and has a triangular floor panel in spite of being a square floor panel. The purpose is.

[0006]

Means for Solving the Problems To achieve the above object, a floor plate of the present invention is provided on a square floor plate supported by supporting legs on a foundation floor surface, and is bent on a diagonal line of a single square steel plate. A concave portion is provided, and a cutout portion is provided at a required interval in the bent concave portion so that the bent concave portion can be bent into a mountain fold and a valley fold to form a square floor plate, and each vertex of the square floor plate is formed. It is characterized by being supported by the support legs.

The upper surface of the square floor plate is provided with a reinforcing dent line parallel or perpendicular to the diagonal line. Further, the bent concave portion is bent at an angle of several degrees from a right angle with respect to a plane so that the bent concave portion can be displaced in a mountain fold and a valley fold shape.

[0008]

The notched portion is provided in the bent concave portion so that the bent concave portion can be bent into a mountain fold or a valley fold. Therefore, when the floorboard is supported on the base floor by the support legs, the triangular floorboard can move independently across the bent recess, and the floorboard can be supported at three points even if there are uneven areas on the base floor. Since the following operation is performed, rattling of the floorboard is prevented, and adjustment during construction is simplified.

Further, the floorboard itself is formed by bending a single square steel plate diagonally to form a square floorboard, so that the floorboard can be easily transported, stored and formed, and the floorboard is lightweight and inexpensive. Further, the corners of the floor plate are 90 ° in terms of strength, which is sufficient (claim 1).

[0010] When a dent line for reinforcement is appropriately provided on the upper surface of the square floor plate in parallel or at right angles to a diagonal line thereof,
The strength of the floorboard is further enhanced (claim 2). Further, when the bent concave portion is bent at an angle of several degrees from a right angle to a plane so that the bent concave portion can be displaced in a mountain-folded and valley-folded shape, the floor portion of the floorboard has an uneven floor surface. The follow-up performance with respect to is further improved (claim 3).

[0011]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a top view of the floorboard of the embodiment of the present invention, FIG. 2 is a bottom view of the floorboard of the embodiment of the present invention, FIG. 3 is a perspective view of the floorboard of the embodiment of the present invention viewed from the back, and FIG. -A cross-sectional enlarged view,
FIG. 5 is a view showing a state in which the floorboard of the embodiment of the present invention is supported by the support legs on the foundation floor surface having the uneven portion.

The floor plate (1) of the present invention is provided with a bent concave portion (5) formed by pressing a square steel plate on a diagonal line. The bending angle (6) of the bending concave portion (5) may be provided at a right angle to the plane, but as shown in FIG. May be.

Notches (4) are provided in the bending recess (5) at required intervals so that the bending recess (5) can be bent or displaced in a mountain fold and a valley fold. In addition, a flange (7) is provided on the periphery of the square steel plate.
Thus, a square floor plate corresponding to the floor plate (1) of the present invention is formed from one square steel plate. At that time, bent concave
The shape of the floor plate sandwiching (5) is triangles (1a) and (1a).

At each apex of the floorboard (1), a support leg (2) for supporting the floorboard (1) on the foundation floor (3) is mounted. As the support leg (2), a conventionally known one such as a jack-up type is employed. In the upper surface portion of the floor plate (1), a dent line (8) for reinforcement is appropriately provided parallel or perpendicular to its diagonal.

Next, the operation will be described. As shown in FIG. 5, when the floor plate (1) is supported by the support legs (2) on the foundation floor surface (3) having the uneven portion, the bent concave portion (5) has the bent concave portion (5). To be able to bend in a mountain fold or valley fold,
A notch (4) is provided, with a bent recess
Since the shape of the floor plate sandwiching (5) is triangular (1a), (1a), the floor plate (1) follows with three-point support.

Therefore, the floorboard (1) does not rattle, and there is no need for troublesome adjustment during construction. Then, as shown in FIG. 4, the bent concave portion (5) is press-formed so that the bent angle (6) of the bent concave portion (5) is formed at an obtuse angle that is several degrees from a right angle with respect to the plane. Then, the floorboard
The followability of the foundation floor surface (3) of the (1) to the non-land portion is compared with the case where the bent concave portion (5) is formed at right angles to the plane.
It will be even better.

Further, since the floor plate (1) itself is press-formed from one square steel plate, the transportation, storage, and storage of the floor plate (1) are possible.
In addition to being easy to form, the floor plate (1) is lightweight and inexpensive, and the corners of the square floor plate are 90 ° in terms of strength, which is sufficient. Further, the upper surface of the square floorboard constituting the floorboard (1) is provided with a reinforcing recessed line (8) parallel or perpendicular to its diagonal, so that the strength of the floorboard (1) is further enhanced. You.

[0018]

Since the present invention is configured as described above, it has the following effects. In the floorboard according to claim 1, a notch portion is provided in the bent concave portion so that the bent concave portion can be bent into a mountain fold or a valley fold, and a triangular floor plate sandwiching the bent concave portion is provided. Can be moved independently. Therefore, even if there is an uneven portion on the foundation floor surface, the floor plate performs an action of following the three-point support, so that rattling of the floor plate is prevented, and adjustment at the time of construction is simplified.

The floorboard itself is formed by bending a single square steel plate diagonally to form a square floorboard, so that the floorboard can be easily transported, stored and formed, and the floorboard is lightweight and inexpensive. Further, in terms of strength, each corner of the square floor plate is 90 °, which is sufficient.

In the floor panel according to the second aspect of the present invention, the strength of the floor panel is further strengthened by appropriately providing a reinforcing line parallel or perpendicular to the diagonal line on the upper surface of the square floor panel. In the floorboard of claim 3, since the bent concave portion is bent at an angle of several degrees from a right angle to a plane so that the bent concave portion can be displaced in a mountain fold and a valley fold, The followability of the floorboard to the uneven portion of the foundation floor surface is further improved.

[Brief description of the drawings]

FIG. 1 is a top view of a floor board according to an embodiment of the present invention.

FIG. 2 is a bottom view of the floor panel according to the embodiment of the present invention.

FIG. 3 is a perspective view of the floor panel according to the embodiment of the present invention as viewed from the back.

FIG. 4 is an enlarged cross-sectional view taken along the line AA of FIG. 1;

FIG. 5 is a view showing a state in which the floor plate of the embodiment of the present invention is supported by support legs on a foundation floor surface having an uneven portion.

[Explanation of symbols]

(1) Floorboard of the present invention (1a), (1b) Triangular floorboard (2) Support leg (3) Foundation floor (4) Notch (5) Bent recess (6) Bending angle of bending recess ( 7) Flange (8) Recessed wire for reinforcement

Claims (3)

(57) [Claims] 1. A square floor plate supported by supporting legs on a base floor surface, a bent concave portion is provided on a diagonal line of one square steel plate, and the bent concave portion can be bent into a mountain fold and a valley fold. A notch portion is provided at predetermined intervals in the bent concave portion to form a square floor plate, and each apex of the square floor plate is supported by the support leg. 2. The floorboard according to claim 1, wherein a reinforcing concave line is provided on the upper surface of the square floorboard in parallel or at right angles to a diagonal line thereof. 3. The method according to claim 1, wherein the bent concave portion is bent at an angle of several degrees from a right angle to a plane so that the bent concave portion can be displaced in a mountain fold and a valley fold. Item 1. The floor panel according to item 1.