JP4171266B2 - Free access floor support legs - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a support leg for a free access floor for placing and supporting a corner portion of a floor panel which is arranged in a grid shape on a foundation floor when constructing a free access floor. In more detail, the floor panel (corner portion) is fastened over the panel mounting pedestal for mounting the corner portion of the floor panel and the corner portion of the floor panel so that the floor panel (corner portion) does not fall off from the support legs due to rolling or vibration. The present invention relates to a support leg for a free access floor in which a bolt is fastened together.
[0002]
[Prior art]
In this conventional free access floor support leg, as shown in FIG. 3, the panel mounting base 1 ′ and the corner portion B ′ of the floor panel B are linked with the fastening bolt 6 ′. A cylindrical projection 9 ″ formed through a bolt through hole 9 ′ is formed on the base 1 ′ so as to be screwed and fastened to a fastening nut 7 ′ through the bolt through hole 9 ′ (see Patent Document 1). ).
Therefore, when the fastening bolt 6 ′ is inserted from the bolt insertion hole 5 ′ formed in the corner portion B ′ of the floor panel B, the bolt insertion hole 5 ′ on the floor panel side and the panel mounting base 1 ′ are inserted. When the center (axial center) of the cylindrical projection 9 ″ on the side with the bolt through hole 9 ′ is slightly shifted, the tip of the fastening bolt 6 ′ contacts the tip of the cylindrical projection 9 ″ as shown by the phantom line in FIG. It may be difficult to insert the bolt into the bolt through hole 9 ′. In that case, the laying workability of the floor panel becomes very poor.
[0003]
[Disclosure of prior art documents]
[Patent Document 1]
Utility Model Registration No. 3068783 (see page 12, FIG. 1 and FIG. 4)
[0004]
[Problems to be solved by the invention]
The present invention has been made in view of such conventional problems, and can smoothly link the fastening bolts through the bolt mounting holes formed in the corners of the floor panel over the panel mounting base and cooperate with each other. Accordingly, it is an object of the present invention to provide a support leg for a free access floor capable of laying a floor panel with good workability and capable of reducing cost and weight.
[0005]
[Means for Solving the Problems]
The free access floor support leg according to claim 1 of the present invention that achieves such an object includes a panel mounting base for mounting a corner portion of the floor panel, and the panel mounting base and the floor panel It is a support leg for a free access floor in which fastening bolts are linked over the corner part, and the upper part is substantially at a position corresponding to the bolt insertion hole formed in the corner part of the floor panel on the panel mounting base. Forming a cooperation hole formed in a mortar shape, engraving a female screw on the inner peripheral surface of the cooperation hole, the inner peripheral surface of the bolt hole of the floor panel and the cooperation hole of the panel mounting base This is characterized in that the fastening bolt is linked to the female screw formed in the above.
Moreover, the support leg for free access floors which concerns on Claim 2 of this invention forms the upper part in a substantially mortar shape in the position corresponding to the bolt insertion hole formed in the corner part of the said floor panel in the said base for panel mounting. And the fastening nut is non-rotatably installed on the back side of the cooperation hole, and installed in the cooperation hole of the floor mounting bolt insertion hole and the panel mounting base. A fastening bolt is linked to the fastening nut, and is characterized by that.
At this time, a part of the upper side edge of the cooperation hole is formed with a panel locking projection having an inclined surface continuous with the substantially inclined mortar inclined surface and curved in a substantially arcuate shape inside as viewed from the plane. It is preferable that the panel locking projection is fitted and engaged with a recess on the back side of the corner portion of the floor panel.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, specific preferred embodiments of the present invention will be described in detail with reference to the drawings. However, the present invention is not limited to the illustrated embodiments, and various variations are conceivable.
[0007]
The free access floor support leg A of the present invention includes a panel mounting base 1 for mounting the corner portion B ′ of the floor panel B. Incidentally, the panel mounting pedestal 1 includes a type that is directly disposed on the foundation floor surface, that is, a type in which the support leg A is substantially constituted only by the panel mounting pedestal, and the illustrated embodiment. As shown in the figure, the leg support 3 is vertically installed on the installation plate 2 fixed on the foundation floor surface, and the height of the leg support 3 can be adjusted with a height adjusting nut 4 or the like and detachable. There is a type to be installed.
[0008]
The panel mounting pedestal 1 may be formed by pressing a metal plate or using a resin material in the case of a type directly disposed on the foundation floor surface. In the case of a type that is freely mounted, it is often formed into a required shape by casting such as die casting. Incidentally, the panel mounting base 1 in the illustrated embodiment is formed by die casting using an aluminum alloy.
[0009]
The panel mounting pedestal 1 simultaneously has the corner portions B ′ of four adjacent floor panels B (two floor panels when applied to a border portion) arranged in order to construct a free access floor. A flat pedestal 11 that is formed in a substantially square shape when viewed from above and a mounting cylinder 12 that is detachably fitted to the distal end of the leg column 3 on the back side of the flat pedestal 11. Further, the mounting cylinder portion 12 is provided with a locking bolt 12 'for fixing the panel mounting base 1 so that the panel mounting base 1 does not rotate inadvertently with respect to the leg support 3. Become.
[0010]
The flat pedestal 11 of the panel mounting pedestal 1 has an upper portion formed in a substantially mortar shape at positions corresponding to the bolt insertion holes 5 formed at the corners B ′ of the floor panel B at the four corners. The link hole 13 is formed in a penetrating manner from the upper surface side to the back surface side, and a panel locking projection 14 is formed to protrude as necessary on a part of the upper surface side edge of the link hole 13.
In addition, a rubber or synthetic resin buffer plate 15 having elasticity for buffering rattling when the bottom surface of the corner portion B ′ of the floor panel B comes into contact with the upper surface of the flat base 11 as required. It is also optional to lay.
[0011]
The coupling hole 13 formed in the flat pedestal 11 of the panel mounting pedestal 1 is linked to the bolt insertion hole 5 formed in the corner portion B ′ of the floor panel B, and the fastening bolt 6 is linked to the floor panel B. The corner portion B ′ is fixed to the panel mounting base 1. In that case, a female screw (not shown) is directly engraved on the inner peripheral surface of the cooperation hole 13, and the fastening bolt 6 is screwed into the female screw, whereby the corner portion B 'of the floor panel B is mounted on the panel. The mounting base 1 may be fixed in cooperation with each other, and as shown in the illustrated embodiment, the fastening nut is located on the back side of the connecting hole 13, that is, on the back side of the flat base 11 and corresponding to the connecting hole 13. 7 may be installed in a non-rotatable manner, and the fastening bolt 6 may be screwed into the fastening nut 7 so that the corner portion B ′ of the floor panel B is fixed to the panel mounting base 1 in a coordinated manner.
[0012]
The fastening nut 7 is non-rotatably accommodated in an installation hole 16 that is recessed at a position corresponding to the cooperation hole 13 on the back surface side of the flat base 11, and the back cover 8 prevents it from falling off the installation hole 16. Held. Accordingly, the fastening nut 7 is installed on the flat base 11 of the panel mounting base 1 so as to be able to swing slightly although it cannot rotate. Thereby, the contact | abutting with the fastening bolt 6 front-end | tip becomes favorable. Reference numeral 81 in the drawing denotes a screw for attaching the back cover 8 to the back side of the flat base 11.
[0013]
The panel locking protrusions 14 are for locking the floor panel B (the corner portion B ′ thereof) mounted on the panel mounting base 1 (the flat base 11 thereof) so as not to be laterally displaced. Inclination that is continuous with a substantially mortar inclined surface 13 ′ formed on the upper part of the cooperation hole 13 at a part of the upper side edge of the cooperation hole 13 formed in the panel mounting base 1 (the flat base 11). It has a surface 14 ′ and is curved and formed in a substantially arc shape on the inner side when viewed from the plane, and is fitted into and engaged with a recess B ″ on the back side of the corner portion B ′ of the floor panel B.
In the illustrated embodiment, the panel locking projection 14 is formed in a substantially semicircular arc shape extending over both adjacent sides of the flat base 11 of the panel mounting base 1, but is smaller than that, for example, approximately a quarter circle. It may be formed in an arc shape.
[0014]
【The invention's effect】
Thus, the support leg for the free access floor according to the present invention is a hole for cooperation in which the upper part is formed in a substantially mortar shape at a position corresponding to the bolt insertion hole formed in the corner part of the floor panel in the panel mounting base. Is formed in a through shape, and a female screw is engraved on the inner peripheral surface of the cooperation hole, or a fastening nut is non-rotatably installed on the back side of the cooperation hole, and a bolt on the floor panel side is inserted. Since the fastening bolt is linked to the hole and the female screw or the fastening nut on the panel mounting base side, when the fastening bolt is inserted through the bolt insertion hole in the corner of the floor panel, The leading end is guided by the inclined surface of the mortar of the cooperation hole and is naturally and reliably guided to the female screw or the fastening nut of the cooperation hole. Therefore, the fastening bolt can be smoothly inserted and linked from the bolt insertion hole formed in the corner portion of the floor panel to the panel mounting base. Therefore, the floor panel can be laid on the support leg with good workability.
[0015]
Moreover, unlike the conventional product, there is no need to project a cylindrical protrusion having a bolt through hole for inserting the fastening bolt into the panel mounting base, so that the material cost can be reduced and the cost can be reduced. It is possible to reduce the weight and reduce the weight.
[0016]
In particular, according to the support leg for the free access floor according to claim 1, a female screw is directly engraved on the inner peripheral surface of the cooperation hole whose upper part is formed in a substantially mortar shape, and the floor panel is provided with the female screw. Since the fastening bolt for fastening the corner portion to the panel mounting base is screwed together, it is easy to manufacture and does not require other parts, and can be provided at low cost.
[0017]
Further, a panel member having an inclined surface continuous with the substantially mortar inclined surface at a part of the upper side edge of the cooperation hole formed on the panel mounting base and curved in a substantially arcuate shape inward as viewed from the plane. A stop projection is formed, and the panel locking projection is fitted into and engaged with a recess on the back side of the corner portion of the floor panel, so that the floor panel resting on the panel mounting base is inadvertently displaced laterally. When the fastening bolt is inserted through the bolt insertion hole in the corner of the floor panel, the tip of the fastening bolt is guided by the inclined surface of the panel locking projection, and the connection hole is smoothly inserted. It is guided to the female screw or the fastening nut.
[Brief description of the drawings]
FIG. 1 is a partially cutaway front view showing an example of the present invention.
FIG. 2 is a plan view of the same part cutout.
FIG. 3 is a partially cutaway front view showing a conventional example.
[Explanation of symbols]
A: Support leg for free access floor B: Floor panel B ': Corner part of floor panel B ": Recess 1: Panel mounting base 11: Flat base 12: Mounting cylinder 13: Linking hole 13': Almost bowl Inclined surface 14: Panel locking projection 14 ': Inclined surface 5: Bolt insertion hole 6: Fastening bolt 7: Fastening nut

Claims (2)

A support leg for a free access floor provided with a panel mounting base for mounting a corner part of the floor panel, and a fastening bolt being linked over the panel mounting base and the corner part of the floor panel, The panel mounting base is formed with a cooperation hole having an upper portion formed in a substantially mortar shape at a position corresponding to a bolt insertion hole formed in a corner portion of the floor panel, and an inner peripheral surface of the cooperation hole Engraving female screws, and fastening bolts across the bolt insertion hole of the floor panel and the female screw formed on the inner peripheral surface of the hole for cooperation of the panel mounting base ,
A panel having an inclined surface continuous with the inclined surface of the cooperation hole formed in the substantially mortar shape in a part of the upper side edge of the cooperation hole and curved inward in a substantially arc shape when viewed from the plane. A support leg for a free access floor, characterized in that a locking projection is formed and the panel locking projection is fitted and engaged with a recess on the back side of the corner portion of the floor panel . A support leg for a free access floor provided with a panel mounting base for mounting a corner part of the floor panel, and a fastening bolt being linked over the panel mounting base and the corner part of the floor panel, The panel mounting base is formed with a cooperation hole having an upper portion formed in a substantially mortar shape at a position corresponding to a bolt insertion hole formed in a corner portion of the floor panel, and on the back side of the cooperation hole. The fastening nut is installed so as not to rotate, and the fastening bolt is linked over the fastening nut installed in the bolt insertion hole of the floor panel and the cooperation hole of the panel mounting base ,
A panel having an inclined surface continuous with the inclined surface of the cooperation hole formed in the substantially mortar shape in a part of the upper side edge of the cooperation hole and curved inward in a substantially arc shape when viewed from the plane. A support leg for a free access floor, characterized in that a locking projection is formed and the panel locking projection is fitted and engaged with a recess on the back side of the corner portion of the floor panel .

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