JP3386962B2 - Floor panel support structure - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technique for supporting a floor panel in which a metal top plate and a metal bottom plate are joined to each other to form a flange portion on a peripheral portion on a support leg. Is.

[0002]

2. Description of the Related Art Conventionally, as a structure for supporting a floor panel in which the periphery of a metal top plate and a metal bottom plate are joined to a supporting leg, for example, Japanese Patent Laid-Open No. 63-2065
No. 58 publication is known. In this conventional example, the flat lower surface of the corner of the floor panel is placed on the flat upper surface of the support leg.

However, in the above configuration,
When placing the floor panel on the support leg, there was a problem that positioning was difficult, misalignment was likely to occur, and workability was poor.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and its object is to accurately position the floor panel with respect to the support leg, and An object of the present invention is to provide a floor panel support structure that improves workability.

[0005]

In order to solve the above-mentioned problems, the floor panel support structure of the present invention comprises a substantially square metal top plate 1 and a substantially square dish-shaped metal plate. In the floor panel 4 that joins the periphery with the bottom plate 2 and has the flange portion 3 formed on the peripheral portion, ribs 6 projecting downward are provided on the supporting leg contact portions 5 at the four corners of the flange portion 3 of the floor panel 4. Provided and positioned and fitted on the supporting surface portion 8 on the upper surface of the supporting leg 7.
A matching positioning recess 9 is formed, the corners of the flange 3 of the floor panel 4 are placed on the support surface 8 of the support leg 7, and the ribs 6 at the four corners of the flange 3 of the floor panel 4 are supported by the support leg 7. It is characterized in that it is positioned by being fitted into the positioning recess 9 of the surface portion 8. As described above, by fitting the ribs 6 provided on the lower surface of the corner portion of the flange portion 3 of the floor panel 4 into the positioning recesses 9 provided on the support surface portion 8 of the support leg 7, the predetermined corner portion of the floor panel 4 can be easily provided. The position can be accurately positioned and placed at a predetermined position on the support surface portion 8 of the support leg 7, and the floor panel 4 can control looseness or rattling of the support leg 7 during use. It is a thing. Further, the ribs 6 improve the strength of the floor panel 4.

Further, the locking pieces 10 are projected downward at the four corners of the flange 3, the locking recesses 11 are provided in the center of the upper surface of the support leg 7, and the locking pieces 10 at the ends of the flange 3 are provided. Locking recess 11
It is also preferable to insert and lock in. With such a configuration, the positioning of the floor panel 4 and the support leg 7 becomes more accurate, and the positional deviation can be more reliably prevented.

It is also preferable that the top plate 1 and the bottom plate 2 are made of iron and the core material 12 is interposed between the top plate 1 and the bottom plate 2. With such a structure, the heat insulating property and the soundproofing property are improved, and the strength is also improved.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described below based on embodiments shown in the accompanying drawings. The floor panel 4 is as shown in FIGS. 2 and 3, and joins the peripheries of a substantially square iron top plate 1 and a substantially square dish-shaped iron bottom plate 2, and at the same time The floor panel 4 has a quadrangular shape in a plan view and has a thickness of about 24 mm and an outer dimension of about 500 mm square. The lower surfaces of the four corners of the flange portion 3 in the peripheral portion of the floor panel 4 serve as support leg contact portions 5, and ribs 6 are provided on the lower surface portion of the support leg contact portion 5 so as to project downward. There is. Further, the front end portions of the support leg contact portions 5 at the four corners of the flange portion 3 in the peripheral portion of the floor panel 4 (that is, the front end portions rather than the ribs 6)
The locking piece 10 is bent downwardly and formed so as to project. In addition, the inside of the floor panel 4, that is, the top plate 1 and the plate-shaped bottom plate 2 in which the outer periphery is joined
A core material 12 is provided inside the portion surrounded by and.

As shown in FIG. 4, the support leg 7 has a support portion 13
Is provided with a flange piece 14 at the center of the upper surface of the flange piece, and a cross-shaped head portion 15 is provided at the center of the upper surface of the flange piece. The top surface portion of the head portion 15 has a cross shape and the cross-shaped upper surface. Each piece of is the supporting surface portion 8, and therefore,
Since the four support surface portions 8 are provided, the end portions of the four floor panels 4 can be supported by the upper surface portion of one support leg 7. Positioning recesses 9 for positioning and fitting are formed radially on the respective pieces of the support surface portions 8 from the center of the cross shape, and each positioning recess 9 has an opening angle of 90 °. An engaging recess 11 is provided in the center of the upper surface of the cross-shaped head 15, and a screw hole 16 is provided in the center of the engaging recess 11.

The support legs 7 are arranged at a constant pitch on a floor substrate (not shown) such as a slab,
The floor panel 4 is mounted by being mounted and supported on the support legs 7, and constitutes a so-called free access floor. Here, in supporting the floor panel 4 on the support leg 7, as shown in FIG. 1, the support leg contact portion 5 at one of the four corners of the flange 3 of the floor panel 4 is attached to the support leg 7. It is placed on one of the four supporting surface portions 8 arranged in the shape of a cross on the upper surface of the, and the rib 6 provided on the supporting leg contact portion 5 is fitted into the positioning recess 9 and the locking piece 10 is locked. The floor panel 4 is mounted in a state where the corner of the floor panel 4 is positioned at a predetermined position of the support leg 7 by being inserted into and locked in the recess 11. The rib 6 is dimensioned so as to fit snugly into the positioning recess 9, and the locking piece 10 is dimensioned so as to lock in the locking recess 11, so that the support leg of the floor panel 4 is supported. The contact portion 5 is accurately positioned in a state where it is placed on the support surface portion 8 of the support leg 7, and the floor panel 4 is prevented from being displaced. In addition, the collar portion 3 of the floor panel 4
With the support leg abutting portions 5 at the corners of the bottom leg 2 placed on the support surface portion 8 at the upper surface of the support leg 7, as shown in FIG. It is set to be mounted on the flange piece 14 of No. 7.

In this way, the supporting leg abutting portions 5 at the corners of the four floor panels 4 are placed on the four supporting surface portions 8 arranged in the shape of a cross provided on the upper surface portion of the supporting leg 7, respectively. The rib 6 is fitted into the positioning recess 9, and in this state, a fixing screw (not shown) is screwed into the screw hole 16 provided in the central portion of the upper surface of the support leg 7, and the heads of the fixing screws fix the four floor panels 4 to each other. The corners of the collar 3 are fixed.

Next, another embodiment of the present invention will be described with reference to FIG. In the present embodiment, the support legs 7 of the floor panel 4
Since the structure of positioning and mounting on the substrate is basically the same as that of the above-described embodiment, duplicate description will be omitted and only different points will be described. That is, in this embodiment,
An engaging portion 6a is further provided on the lower surface of the rib 6 (the downward projection is the engaging portion 6a in the attached drawings), and the positioning recess 9 is engaged with the engaged portion 9a (the groove of the upper opening is attached in the attached drawing). The engaging portion 9a) is provided.
The engaging portion 6a is further engaged with the engaged portion 9a in a state where the rib 6 is fitted in the positioning recess 9. With such a configuration, it becomes easier to position the floor panel 4 in a state in which the support leg contact portions 5 at the corners of the flange 3 of the floor panel 4 are placed on the support surface portions 8 of the support legs 7. Further, the positional displacement of the floor panel 4 can be prevented more reliably.

[0013]

As described above, according to the first aspect of the present invention, a substantially square metal top plate and a substantially square dish-shaped metal bottom plate are provided. In the floor panel that joins the peripheries of the floor panel and has a flange on the periphery , ribs projecting downward are provided on the lower surface of the support leg abutting portions at the four corners of the flange of the floor panel, and Positioning recesses for positioning and fitting are formed on the support surface, the corners of the flange of the floor panel are placed on the support surface of the support leg, and the ribs at the four corners of the flange of the floor panel are positioned on the support surface of the support leg. Since the positioning is done by fitting it to the support panel, it is easy to perform accurate positioning when the support leg abutting part provided at the corner of the flange of the floor panel is placed on the support surface part of the support leg, and the workability is good. It also makes it possible to prevent the floor panel from shifting. That. Further, the ribs reinforce the corners of the flange portion of the floor panel, and the strength of the floor panel can be improved. In addition, the floor panel can control looseness and rattling of the support legs during use. Furthermore, at the tips of the four corners of the collar part,
Project the locking piece toward the center of the upper surface of the support leg
Part is provided and the locking piece at the end of the collar is inserted into the locking recess and locked
Therefore, the positioning of the floor panel and the support legs is more correct.
It is also possible to prevent misalignment more reliably.
You can do it.

[0014]

Further, in the invention described in claim 2 , in addition to the effect of the invention described in claim 1 , the top plate and the bottom plate are made of iron, respectively, and between the top plate and the bottom plate. Since the core material is interposed, the heat insulating property and the sound insulating property are enhanced, and the strength is also enhanced.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a state in which a floor panel of the present invention is mounted and supported on a support leg.

FIG. 2 is a perspective view of the entire floor panel used in the above, viewed from below.

FIG. 3 is an enlarged perspective view of a corner portion of the above floor panel seen from below.

FIG. 4 is a perspective view of a support leg used in the above.

FIG. 5 is a cross-sectional view showing a state in which a floor panel according to another embodiment of the present invention is mounted on and supported by support legs.

[Explanation of symbols]

1 top plate 2 bottom plate 3 collar part 4 floor panels 5 Support leg contact part 6 ribs 7 Support legs 8 Support surface 9 Positioning recess 10 Locking piece 11 Locking recess 12 core material

Front page continuation (58) Fields surveyed (Int.Cl. ⁷ , DB name) E04F 15/024

Claims (2)

(57) [Claims] 1. A floor panel in which a perimeter of a substantially rectangular metal top plate and a substantially rectangular dish-shaped metal bottom plate are joined together, and a flange is formed in the peripheral portion, Support leg abutments at the four corners of the flange of the floor panel
A rib projecting downward is provided on the lower surface of the support leg, a positioning recess for positioning and fitting is formed on the support surface portion of the upper surface of the support leg, and the corner of the flange portion of the floor panel is placed on the support surface portion of the support leg. Fit the ribs at the four corners of the flange of the floor panel into the positioning recesses on the support surface of the support leg to position them .
Protruding the locking piece downward to the edge, center of the upper surface of the support leg
Is provided with a locking recess, and the locking piece at the end of the collar is inserted into the locking recess.
A floor panel support structure characterized by being locked in place. 2. A top plate and a bottom plate are connected to each other.
Made of iron, top plate and bottom play
It is characterized in that a core material is interposed between
The floor panel support structure according to claim 1.