JPH02128055A - Supporter for floor panel - Google Patents

Abstract

PURPOSE:To raise the stability of floor panels by a method in which the main part of a stringer is shaped into a downwardly opened U-shaped cross section and fitted with synthetic resin supporters to support floor panels. CONSTITUTION:Fixed legs 4 are erected on the basic floor 2, and stringers 5 consisting of the main part 5a of a downwardly opened U-shaped cross section are set between the adjacent legs 4. Synthetic resin supporters 14 having projected couplers 14b on it both sides are attached at an adequate interval to the main part 5a of the stringers 5, and the bottom periphery of the floor panel 1 is contactually supported on the couplers 14a. Damage to or deformation of the flange parts can thus be avoided even when great vertical loads act on the floor panels.

Description

Detailed Description of the Invention (Industrial Application Field) The present invention provides a floor panel having a plurality of fixed legs erected on a reference floor surface and a stringer installed between the adjacent fixed legs. The present invention relates to a support device.

(Prior technology) A floor panel is laid on a standard floor surface such as a concrete floor via fixed legs, and a free space is secured between the floor panel and the standard floor surface in which cables, ventilation ducts, etc. can be placed. Heavy floor structures, ie raised floors, are known.

Conventional support devices for floor panels in which stringers are installed between fixed legs include a
There is a type in which a stringer is arranged on the lower surface of the rung, and the floor panel is fixed to the stringer by the elastic support of a pressing member provided between the side surface of the floor panel and the side surface of the stringer. 63-46537).

(Problem to be Solved by the Invention) However, in the floor panel support device described above, the stringer directly supports the 7 rungs of the floor panel, and the pressing member has a length that allows the floor panel to be attached and detached in a resilient manner. Since it does not have the ability to support large loads, it has the disadvantage that if an excessive vertical load is applied to the floor panel, the seven rung portions will be deformed by this load.

SUMMARY OF THE INVENTION An object of the present invention is to provide a floor panel support device that can prevent a flange portion of a floor panel from being deformed when a vertical load is applied to the floor panel supported by stringers.

(Means for Solving the Problems) In order to achieve the above object, the floor panel support device of the present invention includes a plurality of fixed legs erected on a reference floor surface, and a plurality of fixed legs installed between adjacent fixed legs. In a support device for a floor panel having a stringer, the stringer is formed with a main body portion having an opening facing downward and has an opening shape in cross section, and supporting members made of synthetic resin are fitted into the main body portion at appropriate intervals. The present invention is characterized in that engaging portions are provided on both sides of the support member to abut against the peripheral edge of the bottom surface of the floor panel.

(Function) According to the floor panel support device of the present invention having such a configuration, the vertical load acting on the floor panel is transmitted through the support members disposed at appropriate intervals on the periphery of the bottom surface of the floor panel. Since the signal is transmitted to the stringer, deformation of the flange portion of the floor panel is prevented.

(Example) An embodiment of the present invention will be described below with reference to the drawings.

A support device 3 for supporting the floor panel l above the reference floor surface 2 includes fixed legs 4 erected on the reference floor surface 2 and stringers 5 installed between adjacent fixed legs 4.4. are the main components.

The fixed leg 4 includes a base portion 6 fixed to a predetermined position on the reference floor surface 2 with an adhesive (not shown), a screw member 7 erected on the base portion 6, and a screw member 7 screwed onto the screw member 7. a height adjustment nut 8; a column base 9 whose lower end is engaged with the screw member 7 and supported by the height adjustment nut 8; a detent port 10 attached to the column base 9; and a column base 9. The stringer receiver fixed to the head of the stringer has a base 11.

Of these, the stringer receiver base 11 has four grooves 11a for accommodating the ends of the stringer 5, and these grooves 11
a extends in the radial direction from the central axis of the column base 9 toward the adjacent fixed leg 4. A pair of locking protrusions lib are provided at the bottom of the multi-groove 11a, and these protrusions 11
b is a hole 5e formed in both protruding edges 5b of the stringer 5;
The stringers 5 are fitted into the stringers 5 to position the stringers 5 in the axial direction and to prevent them from steadying.

In the figure, the stringer holder 12 is a panel presser holder fixed to the center of the stand 11, and has a protruding engagement part 12a formed at its upper end. The floor panel 1 is fixed to the support device 3 by pressing the step portions 1a at its four corners from above with panel pressers 13 via slide rings 13a. In the figure, 13b indicates a cap fitted to the panel presser 13.

Now, the stringer 5 is formed by bending and molding as a channel material having a cross-sectional shape in the cross-section,
A main body portion 5a extending in the longitudinal direction is formed at the center thereof. At both lower ends of the main body portion 5a of the stringer 5,
Projecting edges 5b extending along the main body portion 5a are bent in the horizontal direction, and at each end of these projecting edges 5b, a stringer receiver is inserted into a groove 11a of the base 11 when the floor panel l is fixed. A protruding portion 5c is formed which comes into contact with the protruding edge portion 5b and causes an elastic action on the protruding edge portion 5b. And stringer-5
A supporting member 1, which will be described later, is mounted on the opposing side walls of the main body portion 5a.
A plurality of locking holes 5d for locking 4 are formed in pairs at positions facing each other. Also,
A plurality of reinforcing ribs 5f that increase the rigidity of the stringer 5 and a plurality of ribs 5h that guide the support member 14 are provided. Note that the surface 5g of the support plate provided on the upper surface of the main body part 5 is pressed to achieve dimensional accuracy in the height direction after the stringer 5 is bent and formed, and the floor panel l is fixed by the panel retainer 13. We ensure that

The floor panel 1 is formed into a substantially square shape, with an upper surface panel 1b and a lower surface panel 1c overlapped in a hollow shape, and integrated by spot welding at predetermined locations,
The hollow portion is filled and sealed with an inorganic filler 15 such as mortar. A flange portion 1d is formed at the edge of the floor panel 1.

The support member 14 is formed by integrally molding a suitable synthetic resin such as ABS resin, and includes a straddle portion 14a that is fitted into the main body portion 5a of the stringer 5, and a straddle portion 14a that protrudes from both sides of the straddle portion 14a, and that extends from the floor. The engaging portion 14b has a shape that matches the peripheral edge of the bottom surface of the panel l. Inside the straddling part 14a, there are a pair of protrusions 14c, 14c that engage with the locking holes 5d of the main body part 5a of the stringer 5, and when the straddling part 14a is fitted to the main body part 5a, the main body part 5a A pair of vertical walls 14d are formed that fit the corresponding side walls of.

The supporting member 14 is connected to the vertical wall 1 of the straddling portion 14a.
4d is press-fitted into the main body 5a of the stringer 5, the protrusions 14c are respectively engaged with the locking holes 5d, and the lower end 14e of the straddle portion 14a is brought into contact with the protruding edge 5b. The stringer 5 is integrally attached to a predetermined position of the stringer 5. Furthermore, the contact portion 14f of the spanning portion 14a is interposed between the seven rungs 1d of the floor panel l and the main body portion 5a of the stringer 5.

That is, the floor panel 1 is installed on the stringer 5 to which the support member 14 is attached, and then the panel presser 13 is engaged with the panel presser receiver 12 to remove the floor panel 1.
When the is fixed to the support device 3, the engaging portion 14 of the support member 14
b supports the peripheral edge of the 70 Avanel l from the side to the bottom surface, and this engaging portion 14b receives the vertical load acting on the floor panel 1 and transmits it to the protruding edge portion 5b of the stringer 5.

Therefore, deformation of the seventh rung portion 1d of the floor panel l is prevented, and if the floor panel l wobbles due to the vertical load acting on the end thereof, the engaging portion 14b of the support member 14 deforms due to this wobble. is prevented, and the stability of the floor panel l is improved.

In addition, since no load is applied to the seventh rung section 1d of the floor panel l, it is formed thinly, so that the stringer 5 is sunken below the seventh rung section 1d, and the portion that protrudes into the free space under the floor panel is Very little.

(Effects of the Invention) As explained above, according to the floor panel support device of the present invention, the peripheral edge of the bottom of the floor panel is supported by the synthetic resin support member attached to the stringer. It is possible to prevent deformation of the flange portion when a vertical load is applied to the panel, and to improve the stability of the floor panel.

By interposing the contact portion of the support member between the floor panel and the stringer, it is possible to eliminate metal contact and prevent the generation of contact noise due to collision between them. Due to its elasticity, manufacturing errors in floor panels and stringers can be absorbed.

Further, since the stringers are prevented from protruding into the free space below the floor panel, they do not interfere with wiring, piping, etc.

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view of the floor panel support device of the present invention, FIG. 2 is a cross-sectional view showing the state in which the support member and the floor panel are engaged, and FIG. 3 is the attachment of the support member and the stringer. FIG. 4 is an exploded perspective view showing the state, FIG. 4 is a sectional view showing the secured state of the panel pressing portion, and FIG. 5 is a partially sectional perspective view of the floor panel. DESCRIPTION OF SYMBOLS 1... Floor panel, 2... Reference floor surface, 3... Support device, 5... Stringer 5a... Main body part, 14... Support member, 14b... Engagement part. Patent applicant: Naka Technology Research Institute Co., Ltd. (4 others)

Claims (1)

[Claims] 1. In a floor panel support device having a plurality of fixed legs erected on a reference floor surface and a stringer installed between the adjacent fixed legs, the stringer has a U-shaped cross section with a downward opening. A main body is formed, synthetic resin support members are fitted onto the main body at appropriate intervals, and engaging parts are provided protruding from both sides of the support member to abut the bottom peripheral edge of the floor panel. A floor panel support device characterized by: