JP2809427B2 - Floor panel support structure - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a floor panel support structure for supporting a floor panel with a plurality of support devices arranged on a reference floor surface.

2. Description of the Related Art Conventionally, in a free access floor in which a floor panel and a supporting device are separated from each other, a pedestal substrate is fixed on a reference floor surface, and a female screw portion formed integrally with the pedestal substrate. The male screw portion of the supporting leg is screwed into the panel receiving portion, and a vertical ridge is formed on the panel receiving base provided on the supporting leg by integral bending to guide the floor panel. There is known a floor panel support structure in which a projecting portion of a table and a hole of the floor panel are engaged (see Japanese Utility Model Application Laid-Open No. 63-40 / 1988).
429).

(Problems to be Solved by the Invention) However, since the upper end portion of the female screw portion of the pedestal substrate is set at a constant height to support the support legs, the bending moment is large in this pedestal substrate. There is a problem that the receiving board falls down due to the action.

In addition, since a mechanism for erecting the support legs is not provided on the pedestal substrate, the support legs are vertically extended when the pedestal substrate is not fixed horizontally due to unevenness of the reference floor surface or the like. It was difficult to stand in

Further, since the ridges of the panel receiving base that engage with the floor panel are formed in a vertical plate shape, the tolerance for errors is narrow, and the function of guiding the floor panel is not sufficiently effective. Since the hole of the floor panel is integrally formed by a press or the like, the dimensional accuracy becomes unstable and a gap is easily generated between the hole and the protrusion, so that the movement of the floor panel is not restricted and the ramen is not held. There was a problem that the structure could not be formed.

Accordingly, an object of the present invention is to provide a floor panel support structure having excellent seismic performance and workability by forming a ramen structure with a floor panel and a support device.

(Means for Solving the Problems) In order to achieve the above object, a floor panel support structure of the present invention includes a floor panel support structure for supporting a floor panel by a plurality of support devices disposed on a reference floor surface. While fixing the pedestal substrate to the reference floor surface, the support legs are swingably erected via an adjustment nut having a tapered cone-shaped cylindrical portion whose upper part is reduced in diameter, and above the support legs A panel support having an engaging projection on which a corner of the floor panel is mounted; integrally providing a guide wall of the panel support with a side wall of the corner of the floor panel; And the engagement protrusion of the panel receiving base and the engagement hole formed by embedding a resin holder in the floor panel are fitted in a tight manner so that the floor panel and the support legs A ramen structure is formed Way, the floor panel to become fixed in the adhesion shape base receiving said panel by panel pressing and characterized on configure.

(Operation) According to such a floor panel support structure, the support legs are oscillated upright on the pedestal substrate fixed to the reference floor surface, and the space between the panel pedestals provided above the support legs is provided. The floor panel is fixed in close contact. That is, the upper end of the support leg is rigidly joined to the floor panel, and the lower end is in the pin joint state, thereby reducing the bending moment acting on the receiving board.

Further, since the support legs can swing in any direction with respect to the pedestal substrate, the support legs can always be erected vertically regardless of the mounting angle of the pedestal substrate.

Then, the floor panel is disposed at a predetermined position with its side wall guided by the guide wall of the panel receiving stand, and the engaging projection of the panel receiving stand and the engaging hole formed by the resin of the floor panel are in close contact with each other. By being engaged, the floor panel is vertically and accurately arranged with respect to the support leg, and the integrity with the support leg is improved.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

As shown in FIG. 1, a floor panel support device 1
A receiving board 4 having a screw portion 3 integrally provided at the center of the upper surface; an adjusting nut 5 screwed to the screw portion 3; The panel support 6 includes a support leg 7 provided integrally therewith, and a panel retainer 9 which engages with a panel retainer 8 to fasten and fix the floor panel 2.

The pedestal substrate 4 is fixed to a predetermined position on the reference floor surface 10 by means of an adhesive or the like, and an adjusting nut 5 is screwed into the screw portion 3 thereof.

The adjusting nut 5 is set in a position in the height direction with respect to the pedestal substrate 4 by a rotation operation. The adjusting nut 5 has a flange portion 5a that supports the lower end portion of the support leg 7, and a tapered cone-shaped upper portion having a reduced diameter. And a support leg 7 is provided with an adjusting nut 5
Therefore, the receiving base 4 is erected around the lower end portion so as to be swingable.
The support leg 7 is prevented from coming off by a bolt 12 screwed to a nut member 11 attached to a lower portion of the support leg 7.

The panel receiving base 6 is formed in a substantially square shape, and provided with support surfaces 13 on which the ends of four floor panels 2 having a structure described later are placed. A guide wall 14 and an engagement protrusion 15 corresponding to the above are formed. As shown in FIG. 5, the guide wall 14 has an angle substantially corresponding to the inclination angle of the side wall 2a of the floor panel 2, and its upper end is formed by being bent in the horizontal direction. Has a function of guiding to a predetermined position at the time of placing, and a function of contacting and positioning the side wall 2a of the placed floor panel 2. The engaging projections 15 are formed by burring, and engage with the engaging holes 16 of the floor panel 2 to restrict the horizontal movement of the floor panel 2 and the inclination of the support legs 7.

Further, the floor panel 2 is formed in a substantially square shape, and the upper panel 17 and the lower panel 18 are overlapped and integrated in a hollow shape, and an inorganic filler 19 such as mortar is sealed in the hollow portion. . The corner 2b has a step 2c with which the panel holder 9 is engaged.

Now, as shown in FIG. 5 to FIG. 7, at the end of the floor panel 2, the upper panel 17 and the lower panel 18 are provided.
, A through hole 20 is formed, and a holder 21 is buried in the through hole 20 to form an engaging hole 16.
The holder 21 is provided with a rib 22 and a retaining portion 23 on the outer peripheral surface and a flange portion 25 on the peripheral edge of the opening 24 at the lower end, while the opening side of the inner peripheral surface is formed in a tapered shape. ing. The dimensional accuracy of the holder 21 is enhanced by injection molding of a resin. This holder 21 has a through hole 20 before filling the filler when molding the floor panel.
The filling material 19 that is attached to the
The upper and lower ends thereof are held firmly by fitting into the ribs 22 and the retaining portions 23 of the through holes 20, and burrings 26 and 27 formed on the peripheral portions of the upper panel 17 and the lower panel 18 of the through hole 20. Deformation is prevented. The engaging hole 16 having such a structure guides the engaging protrusion 15 of the panel receiving base 6 with a tapered portion when the floor panel 2 is mounted, thereby facilitating the fitting operation. Note that the engagement of the engagement holes 16 and the engagement protrusions 15 in a tight manner prevents horizontal movement and rattling of the floor panel 2,
In addition, the fitting prevents the metal-to-metal contact due to the interposition of the holder 21.

As shown in FIGS. 2 to 4, the above-mentioned floor panel 2 is formed by assembling four pieces on the panel receiving base 6 and then engaging the panel retainer 9 with the panel retainer 8. Thereby, the step 2c of the corner 2b is fastened with one touch.

The panel retainer 8 is slidably inserted through the retaining member 28 through the collar 29 through the mounting bolt 30, and further, a spring washer 31 is interposed between the head 30 a of the mounting bolt 30 and the retaining member 28, and It is arranged at the center of the upper surface of the cradle 6. That is, the floor panel 2 is pressed by the spring force of the spring washer 31 compressed in accordance with the tightening of the panel holder 9.
Is firmly fixed between the panel holder 9 and the panel support 6 in a state where the flange portion 25 of the holder 21 on the bottom side thereof is in close contact with the support surface 13. At this time, the flange of the holder 21
25 acts as packing.

A slide ring 32 is interposed between the panel retainer 9 and the step 2c of the floor panel 2 in order to improve the slidability of the panel retainer 9 and absorb the step of the step 2c of each floor panel. In addition, a cap 33 is attached to the upper part of the panel retainer 9 for a finishing effect. In the figure, reference numeral 34 denotes a carpet laid on the floor panel.

As described above, the floor panel 2 and the supporting legs 7 are rigidly connected to each other by mounting and fixing the floor panel 2 to the panel receiving base 6, thereby forming an L-shaped ramen structure. Supported on the pedestal substrate 4 via
When horizontal double action is applied to this structure due to an earthquake or the like, the swing center is the contact point between the flange 5a of the adjustment nut 5 and the lower end of the support leg 7 very close to the pedestal board 4 (reference floor 10). Therefore, while a large bending moment acts on the upper end of the support leg 7, only a small bending moment acts on the pedestal substrate 4. That is, the pedestal substrate 4 is
Therefore, sufficient seismic performance can be obtained without increasing the adhesive strength.

(Effects of the Invention) As described above, according to the floor panel support structure of the present invention, a ramen structure is formed by the floor panel and the support legs, and the swing center of the ramen structure is determined by the pedestal substrate (reference). (A floor surface), it acts on the pedestal substrate only with a small bending moment, the force for separating the pedestal substrate from the reference floor surface is reduced, and good seismic performance can be achieved. .

Further, since the support leg can swing about the pedestal substrate with its lower end as a fulcrum, it is always vertically erected regardless of the horizontality of the pedestal substrate.

Regarding the engagement between the floor panel and the support legs, first, at the time of construction, the side walls of the floor panel are guided by the inclined guide walls formed on the panel support above the support legs, and Since the tapered engagement hole introduces the engagement protrusion of the panel support, the floor panel can be easily mounted at an accurate position on the panel support. Further, since the engagement holes of the floor panel to be fitted with the engagement projections of the panel receiving base are formed by burying a resin holder and have high dimensional accuracy, the horizontal movement of the floor panel and the play of the backlash can be prevented. Occurrence is prevented, and it can be always held at a predetermined position.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a support device and a floor panel in a floor panel support structure of the present invention, FIG. 2 is a partially cross-sectional exploded perspective view of a state where the floor panel is mounted on a panel support, FIG. 2 is a sectional view taken along the line AA in FIG. 2, FIG. 4 is a sectional view taken along the line AA in FIG. 2 showing a state of connection between the floor panel and the support legs, and FIG. FIG. 6 is a sectional view of an engaging hole portion of the floor panel, and FIG. 7 is a partial sectional view of the holder. DESCRIPTION OF SYMBOLS 1 ... Support device, 2 ... Floor panel, 2a ... Side wall, 4 ... Base plate, 5 ... Adjustment nut, 6 ... Panel support, 7 ... Support leg, 9 ... Panel holder, 10 …… Reference floor surface, 14 …… Guide, 15… Engagement projection, 16… Engagement hole, 21 …… Holder.

──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Takao Okumura 39 Shinmachi, Yashio-shi, Saitama Prefecture Naka Technical Research Institute Tokyo Research Laboratory (72) Inventor Tatsuo Shoji 39 Shinmachi, Yashio-shi, Saitama Naka Technical Research Institute, Inc. Inside the Tokyo Research Laboratory (72) Inventor Tetsuo Tobikawa 39 Shinmachi, Yashio-shi, Saitama Prefecture Naka Research Laboratory Co., Ltd. The Tokyo Research Laboratory (56) References JP-A-63-22963 (JP, A) JP-A-63-40429 (JP) (U, U) Real opening 60-170438 (JP, U) (58) Fields investigated (Int. Cl. ⁶ , DB name) E04F 15/00 101 E04F 15/024 603

Claims (1)

(57) [Claims] 1. A floor panel support structure for supporting a floor panel by a plurality of support devices disposed on a reference floor surface, wherein a pedestal substrate is fixed to the reference floor surface, and a tapered cone whose upper part is reduced in diameter. A support leg which is swingably erected via an adjustment nut having a cylindrical portion, and a panel receiver having an engagement projection on which a corner of the floor panel is placed above the support leg. A table is integrally provided, a guide wall of the panel support is engaged with a side wall of a corner of the floor panel in a conforming manner, and a resin material is formed on the engagement protrusion of the panel support and the floor panel. The holder is embedded so as to fit tightly into an engagement hole, so that a rigid frame structure is formed by the floor panel and the support legs, and the panel receiving base is pressed by the panel panel. In close contact with A floor panel support structure, which is fixed.