JPH11159112A - Support leg for panel for floor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To surely fix a support member for a support leg and to facilitate fixing operation. SOLUTION: A support leg body 1 is formed such that a bolt part 2 provided at a tip with a protrusion 6 in the peripheral surface of which knurling-form outward teeth 5 are engraved is erected at the central part of a base plate 3. A cylindrical part 11 is divided into four sections, a support plate part 12 is formed at the upper end by orthogonal vertical division grooves 15 with the center of a cylindrical hole 13 serving as an axis and a support plate part 12 is formed at the upper end of each of the cylindrical parts. A support member 10 comprises a nut part 14 threadely engaged with a bolt part 2; the support member 10; the support leg body 1; and a fixing member 20 formed such that a cylinder part 21 provided with a top provided with pointing-inward teeth 22 engaged with the pointing-outward teeth 5 are formed in an inner peripheral wall, and protrusions 23 formed on the outer peripheral wall of the cylinder part 21 with a top and engaged with the respective vertical division grooves 15 formed in the outer peripheral wall.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor panel supporting leg for supporting a free access floor in which a building floor is formed as a double floor using panels.

[0002]

2. Description of the Related Art In recent years, various types of electric and electronic devices have been widely used in rooms such as offices provided in buildings. In order to store these wiring cables in the space under the floor in an easy-to-use and good-looking manner, a free-access floor is used in which a plurality of panels are combined and laid on the base floor to form an upper floor. Are obstructed and connected by supporting legs disposed on the foundation floor.

FIG. 3 shows a support leg F of a conventional floor panel provided on a base floor surface 51. A support leg body 50 having a bolt portion 53 erected at the center of a base plate 52 is shown.
A support member 56 provided with a disc-shaped receiving plate portion 54 at the upper end of a nut cylindrical portion 55 screwed to the bolt portion 53; and a hook for covering the receiving plate portion 54 and hooking a panel 59. And a stop member 57.

In order to construct a free access floor on the base floor surface 51 using the support legs F, the height of the support legs F is determined by rotating the support member 56 screwed to the support leg body 50. To the base floor 51. If it is necessary to finely adjust the height so that the floor is laid evenly, adjust the height by loosening the stopper bolt 58 and tighten it again to tighten the support member 5.
6 is fixed so that it cannot rotate. The panels 59, 59 are attached to the fixing members 57 of the support legs F, the corners of the panels 59, 59 are fixed by the panel retainer 60, and the carpet 61 is laid on the upper surface of the panel 59 to complete the upper floor.

[0005]

The conventional support leg F
Is convenient because the height can be adjusted only by rotating the support member 56. However, in order to fix the rotation of the support member 56 to determine the height, the nut cylinder on the lower surface of the receiving plate portion 54 is required. The stopper bolt 58 of the support 55
Must be fastened to the bolt portion 53 of Therefore,
The fixing operation must be performed on the lower surface of the receiving plate portion 54 using a tightening tool such as a screwdriver. If the operator is unskilled, the work speed is delayed and insufficient tightening may occur.

If the fixing of the support member 56 becomes insufficient due to insufficient tightening or looseness of the stopper bolt 58, the support member 56 will rattle and the panel 59 will rattle.

The present invention has been made in view of the above-mentioned problem, and has as its object to provide a support leg which can securely and smoothly fix the support member 56 by a simpler operation than a known support leg.

[0008]

According to the present invention, in order to solve the above-mentioned problems, a bolt portion provided with a projection having a knurl-shaped outwardly toothed carved on the peripheral surface at the tip thereof is erected in the center of the base plate. A supporting leg main body, and a receiving plate portion formed at each upper end of a cylindrical portion divided into four by a vertical vertical groove centered on the center of the cylindrical hole, and a base end portion of the cylindrical portion. A support member having a nut portion to be screwed into the bolt portion; and an inner peripheral wall provided with inward teeth meshing with the outward teeth. And a fixing member provided with a mating engaging projection. The supporting member is fixed to the supporting leg body by an operation of inserting the fixing member into the cylindrical hole from above.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings.

FIGS. 1 and 2 show a supporting leg F of a floor panel according to the present invention. The supporting leg main body 1 has a bolt portion 2 erected at the center of a base plate 3 and a cylindrical portion 11.
A support member 10 screwed to the bolt portion 2 having a receiving plate portion 12 formed at an upper end thereof, and a fixing member 20 engaged with the support leg body 1 and the support member 10.

The support leg main body 1 is formed by erecting a bolt portion 2 having a male screw 4 screwed in the center of a square metal base plate 3, and a knurled peripheral surface at the tip of the bolt portion 2. Protrusions 6 with outwardly facing teeth 5 are provided.

The support member 10 has a nut portion 14 at which the base end of the cylindrical portion 11 having the cylindrical hole 13 is screwed to the bolt portion 2. It is equally divided into four by four vertically dividing grooves 15 in the orthogonal direction with the center as the axis. An outward flange-shaped receiving plate 12 is formed at each upper end of the divided cylindrical portion 11 so as to surround the cylindrical hole 13, and a reinforcing rib 17 is provided on a lower surface of the receiving plate portion 12 with the cylindrical portion. 1
1 is formed integrally over the outer surface.

The fixing member 20 is provided on the inner peripheral wall of the topped cylindrical portion 21 which fits into the projection 6 of the support leg body 1.
Are provided with inward teeth 22 meshing with the outward teeth 5 of the support member 10, respectively.
An engagement protrusion 23 that engages with the projection 5 protrudes.

The outer diameter G of the top cylindrical portion 21 of the fixing member 20 is set to a size that can be inserted into the cylindrical hole 13 of the support member 10, and the width W of each engagement projection 23 is defined by the vertical split groove of the support member 10. 15 are designed to engage without play.

When constructing a free access floor in order to form a double floor using the support legs F of the present embodiment comprising the members 1, 10, and 20 as described above, Support leg body 1 so that leg F is at a predetermined height.
The height is determined by rotating the supporting member 10 screwed to the.
Then, the fixing member 20 is inserted into the cylindrical hole 11 from above the support member 10 with the engagement protrusion 23 corresponding to the vertical groove 15,
Further, the fixing member 20 is pushed in so that the top cylinder 21 is fitted to the projection 6 at the tip of the bolt 2.

By the above operation, the outward teeth 5 of the projection 6 are formed.
And the inward teeth 22 of the top cylindrical portion 21 mesh with each other so that the fixing member 2
Reference numeral 0 denotes a support leg that is non-rotatably fitted to the support leg body 1, and the engagement protrusion 23 of the fixing member 20 engages with the vertical groove 15 of the support member 10, so that the support member 10 rotates around the support leg body 1. It is fixed without rattling.

The supporting legs F whose rotation is fixed and the height of which is determined by the supporting member 10 are arranged at predetermined positions on the base floor surface 30 so that the directions of the vertical grooves 15 coincide with each other. Foundation floor 3
The supporting leg F at the disposition position where fine adjustment of the height is required due to unevenness of 0, etc. is released by pulling the fixing member 20 upward to release the fixing, and the supporting member 10 and the supporting leg main body 1 are separated from each other. Rotate each other to adjust the height. When the height is determined, the fixing member 20 is pushed in again to fix the height of the support leg F.

As is apparent from the above description, the fixing and release of the height of the support leg F are performed by simple fitting and disengaging of the fixing member 20 from above the receiving plate portion 12.
When the is fitted into the projection 6, the support leg body 1 and the support member 10 are firmly fixed, and the fixing is not loosened. Therefore, the fixing operation is simple, there is no insufficient fixing of the support member 10, and the rattling of the floor is completely prevented.

As shown in FIG. 2, panels 31 and 31 are provided on the upper surface of the receiving plate portion 12 of the support leg F disposed on the foundation floor 30.
Is mounted, the vertical walls 32 provided on the peripheral edges of the panels 31, 31 engage with the vertical grooves 15 of the support member 10, and the panels 31, 31 are connected via the support legs F. By laying, a free access floor is constructed to form a double floor.

It is needless to say that a fixing member (not shown) may be provided on the upper surface of the receiving plate 12 to fix the panel.

[0021]

According to the floor panel support leg of the present invention implemented in the form described above, the following effects can be obtained.

A support leg body having a bolt portion provided with a protrusion having a knurl-shaped outward tooth formed on the peripheral surface at the tip thereof is provided upright at the center of the base plate, and is orthogonal to the center of the cylindrical hole. A support member having a receiving plate portion formed at each upper end of a cylindrical portion divided into four by a vertical vertical groove and having a nut portion screwed to the bolt portion at a base end portion of the cylindrical portion; and an inner peripheral wall. A fixing member provided on the outer peripheral wall of a topped cylindrical portion provided with inward teeth meshing with the outward teeth, respectively, with engaging projections engaging with the vertical grooves. Then, the fixing of the supporting member to the supporting leg main body and the release thereof can be performed by an operation of fitting into and removing from the cylindrical hole from above using the fixing member. Therefore, fine adjustment of the height can be easily performed without using a tightening tool, so that even an unskilled worker can easily perform the work and speed up the operation.

Further, since the loosening does not occur after the fixing of the supporting member by the fixing member is completed, the panel is reliably supported without the occurrence of rattling due to insufficient fixing of the supporting member after the floor is constructed. .

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing an embodiment of a support leg of a floor panel according to the present invention.

FIG. 2 is a front view showing a use state of the support leg of FIG. 1;

FIG. 3 is a front view showing a conventional example.

[Explanation of symbols]

1 support leg body, 2 bolts, 3 base plate,
5 outward teeth, 6 projections, 10 support members, 11 cylindrical portions, 12 receiving plate portions, 13 cylindrical holes, 14 nut portions,
15 Vertical groove, 20 Fixing member, 21 Toped cylinder, 22
Inward teeth, 23 engaging projections, F support legs,

Claims (1)

[Claims] 1. A support leg main body comprising a boss having a knurled outward tooth carved on its peripheral surface and having a protruding portion provided at a tip thereof, which is erected at the center of a base plate; A support member having a nut portion screwed to the bolt portion at the base end of the cylindrical portion, while forming a receiving plate portion at each upper end of the cylindrical portion divided into four by the vertically-divided vertical grooves. A fixing member comprising: an inner peripheral wall having an inward tooth meshing with the outward tooth; A floor panel support leg, characterized in that it is constructed as follows.