JP4313152B2 - Floor board support structure - Google Patents

Description

  The present invention relates to a floor board support structure for a so-called OA floor in which each corner of the floor board is supported on a foundation floor with support legs.

  As a conventional example of this type of floor board support structure, a protrusion provided on the upper surface of the support leg is fitted with a recess provided on the lower surface of the corner of the floor board so as to position the floor board. Yes (see, for example, Patent Document 1).

In addition, when a cross-shaped locking piece protrudes from the upper surface of the plate-like body that is the support leg and the corner of the floor board is placed on the support leg, the locking piece fits between the side surfaces of the adjacent floor boards. In some cases, adjacent floor boards are fixed (see, for example, Patent Document 2).
JP 2002-235430 A (FIG. 1, FIGS. 5-7, FIG. 12) Japanese Utility Model Publication No. 57-185841 (FIGS. 5 and 8)

  However, in what is described in Patent Document 1, the protrusions of the support legs and the recesses on the lower surface of the floorboard are not visible from above the floorboard, and it is difficult to engage the protrusions and the recesses. Even after engaging, the floor board can freely rotate around the protruding portion, so that it cannot be reliably positioned and is unstable.

  Moreover, in what is described in Patent Document 2, an inclined surface or the like for fitting a locking piece must be formed on the side surface of the floor plate, which is troublesome to process and is one of the floor plates. Since the corners are positioned in contact with a pair of locking pieces, the floor board can move away from both locking pieces, and complete positioning cannot be achieved.

    In view of the above-described problems of the conventional technology, the present invention provides a floorboard support structure that can position the floorboard reliably with a simple structure and can easily perform the floorboarding operation. The purpose is to do.

According to the present invention, the above problem is solved as follows.
(1) In a floorboard support structure in which each corner portion of a floorboard having a polygonal shape in plan view is supported by supporting legs on the foundation floor so as to be separated from the foundation floor, the floorboard is substantially polygonal in plan view. A hanging piece is provided on each side of the surface plate, a notch is provided in the hanging piece at each corner of the surface plate, and an inward piece is provided at the lower end of each hanging piece, on the upper surface of the support leg. A projecting shaft in which the notched portions of the two hanging pieces adjacent to each corner of the floor board are in contact with the outer peripheral surface, and adjacent to each corner of the floor board, in a direction away from the corner. Positioning protrusions for positioning the floor board are provided by having both ends abutting against the inner edges of both inwardly extending pieces that expand in a C shape .

(2) In the above item (1), a projecting shaft is provided at the center of the upper surface of the support leg, and a plurality of positioning projecting pieces are provided at equal intervals on the same circumference centered on the projecting shaft. The parts are butted against each other around the protruding shaft and are supported by a single support leg.

(3) In the above item (1) or (2), each corner of the surface plate is provided with a notch continuous with the notch of the hanging piece.

(4) In the above item (3), the height of the projecting shaft is substantially equal to the height of the upper surface of the surface plate when the floor plate is placed on the upper surface of the support leg. It abuts on the outer peripheral surface of the shaft.

(5) In any one of the above items (1) to (4), a sheet made of a buffer material is attached to the upper surface of the support leg excluding the projecting shaft and the positioning projecting piece.

(6) In any one of the above items (1) to (5), the supporting leg is formed into a prominent saddle shape by pressing a steel plate, and a protruding shaft is formed on the upper surface by burring and a positioning protruding piece Is formed by cutting and raising.

(7) In any one of the above items (1) to (6), two floor boards are provided with hanging pieces on each side of the surface board in a plan view triangle and with inward pieces on the lower ends of the hanging pieces. The triangular panels are formed by joining one side of each other and joined to each other, and at the corners at both ends of the two sides of the triangular panels, the two outer hanging pieces are cut into contact with the outer peripheral surface of the projecting shaft. It lacks provided, and the two suspending piece of inner butted each other, providing a switching Ri outs Ru cormorants fitted positioning protrusion.

According to the present invention, the following effects can be achieved.
(A) According to the invention described in claim 1, the notch of the hanging piece at the corner of the floor board is brought into contact with the outer peripheral surface of the projecting shaft provided on the upper surface of the support leg, and both inwardly facing pieces at the corner of the floor board By abutting the inner edges of the slabs on both side ends of the positioning protrusions, the corners of each floor board are reliably positioned in any direction in the horizontal direction with respect to the support legs, and will not be misaligned. .
In addition, the notch of the hanging piece at the corner of the floor board is brought into contact with the outer peripheral surface of the projecting shaft provided on the upper surface of the support leg, and the floor board is lowered while being slightly rotated laterally around the projecting shaft. The positioning of the floor board can be easily carried out by easily inserting the positioning protrusion between the inner edges of the two inwardly facing pieces at the corners of the floor board.

(B) According to the second aspect of the invention, the corners of the plurality of floorboards are accurately positioned and supported on the single support leg with the projecting shaft as the center without causing any positional deviation or the like. be able to.

(C) According to the invention described in claim 3, workability is good because the floorboard can be stuffed through the notches provided at the corners of the surface plate while visually checking the protruding shaft.

(D) According to the invention of claim 4, the notch portion of the surface plate is brought into contact with the outer peripheral surface of the protruding shaft, so that the strength at the time of contact with the protruding shaft of the floor plate is increased, and The workability is good because the work can be performed while visually checking the notches.
Moreover, since the height of the upper surface of the protruding shaft and the upper surface of the surface plate is almost equal, the appearance after the floor plate is spread is good.

(E) According to the invention of claim 5, the sheet made of the buffer material can absorb the difference in height of the upper surfaces of the plurality of support legs, and the occurrence of rattling noise and the like can be prevented.

(F) According to the invention described in claim 6, the support leg can be manufactured easily and inexpensively.

(G) According to the invention described in claim 7, since the hanging pieces on opposite sides of the two triangular panels are in contact with each other at the center of one floor board, the strength of each floor board In addition, since the notch is provided in the central hanging piece, the central hanging piece is prevented from interfering with the positioning protrusion.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a plan view when a floor board is laid on a foundation floor according to an embodiment of the present invention, and FIGS. 2 to 5 are diagrams showing details of each part. 6 is an exploded perspective view of two triangular panels constituting a floor board used in an embodiment of the present invention, FIG. 7 is a bottom view of the floor board, and FIG. 8 is a perspective view of a support leg.

  As shown in FIG. 6, the two triangular panels (2A) and (2B) constituting the floor board (1) having a square shape in plan view are formed by bending one steel plate and having a right isosceles triangle shape in plan view. A surface plate (3), a hanging piece (4) hanging from each side thereof, and an inward piece (5) bent inward at a right angle from the lower end of each hanging piece (4) are provided. .

The corners of the triangular panels (2A) and (2B) are provided with notches (6) that are chamfered when the oblique sides of the triangular panels (2A) and (2B) are brought into contact with each other to form a square floor board (1) in plan view. .
In addition, as shown in FIG. 7, stepped notches (7) are formed at both ends of the two inwardly facing pieces (5) and (5) sandwiching the right angle corner of each triangular panel (2A) (2B). However, the notch (8) larger than the notch (7) is provided at both ends of the hanging piece (4) and the inwardly facing piece (5) in the hypotenuse of each triangular panel (2A) (2B). It has been.

Two left and right engagement holes (9) are provided in a portion of the oblique side of the triangular panel (2A) that is spaced apart from the center of the hanging piece (4). These engagement holes (9) have a lateral trapezoidal shape in which the right side in FIG. 6 is shorter than the opposite left side.
Further, a wedge-shaped engagement protrusion (10) that gradually rises to the right in FIG. 6 is provided at a portion near one end of the hanging piece (4) in the oblique side of the triangular panel (2A). Yes.

In the diagonally spaced part of the triangular panel (2B), the part separated from the center of the hanging piece (4) on both sides is engaged with two left and right sides in a plan view corresponding to the engagement hole (9). A nail (11) is provided. Each of these engaging claws (11) has a distal end extending toward the left in FIG. 6 and a side surface shape having a distal end width shorter than the proximal end width and smaller than the engagement hole (9). It has a horizontal trapezoidal shape that is similar to the above. The vertical width of the base of the engaging claw (11) is preferably larger than the vertical length of the side of the corresponding engaging hole (9) with which the engaging claw (11) is engaged. .
Further, the engaging claw (11) has moderate elasticity as a material of the steel plate forming the triangular panel (2B), and can be slightly elastically bent.

  When the diagonal sides of the triangular panels (2A) and (2B) face each other, one side of the hanging piece (4) of the diagonal side of the triangular panel (2B) that faces the engaging projection (10) of the triangular panel (2A) A laterally long rectangular positioning hole (12) is provided in a portion close to the end of the rectangular shape.

  Thus, the hypotenuses of the triangular panels (2A) and (2B) are abutted with each other, and the engaging claws (11) of the hanging pieces (4) of the opposing hypotenuses are made narrower in the engaging hole (9). The engaging projections (10) are engaged with the side edges of the positioning holes (12) and the engaging claws (11) are separated from the engaging holes (9). By preventing the relative movement of the triangular panels (2A) and (2B), the two triangular panels (2A) and (2B) are firmly connected to each other so as not to be separated from each other, thereby forming a single square floor board (1) in plan view. The

As shown in FIGS. 4 and 5, when the two triangular panels (2A) and (2B) are joined in a normal state where the engaging protrusions (10) engage with the side edges of the positioning holes (12), The base portion of the joint claw (11) is wedged between the upper and lower edges of the engagement hole (9) and stopped before contacting the narrow side of the corresponding engagement hole (9). It is good.
In this case, when a large load acts on only one of the two triangular panels (2A) and (2B) that are engaged with each other, the engaging claw (11) is moved into the engaging hole (9). By tilting inward, it is possible to reliably prevent vertical displacement and backlash between the two triangular panels (2A) and (2B).
However, the vertical width of the base of each engagement claw (11) is set to be smaller than the vertical length of the narrow side of the corresponding engagement hole (9), and the base of the engagement claw (11) However, you may make it engage in the state contact | abutted to the narrow side in the corresponding engagement hole (9).

As shown in FIG. 7 and FIG. 2, the lower surface of the surface plate (3) in each triangular panel (2A) (2B) is parallel to the hypotenuse of the surface plate (3) and protrudes downward in a mountain shape The reinforcing plate (13) having a plurality of angled ridges (14) and (14) is provided with lower end surfaces at both ends of the angled ridges (14) and (14) provided on the other two sides of the surface plate (3). It fixes so that it may contact | abut to the upper surface of an inward piece (5) (5).
The lower end surfaces of both ends of the chevron ridge (14) are preferably fixed to the upper surface of the inwardly facing piece (5) by spot welding or the like.

  Each triangular panel (2A) (2B) is reinforced by the hanging piece (4), the inwardly facing piece (5), and the reinforcing plate (13) as described above, so that each triangular panel (2A) (2B) And the floor board (1) formed by them exhibits a strong structure, and even if the board thickness of the steel plate to be used is reduced, sufficient strength can be maintained and weight reduction can be achieved.

FIG. 8 shows a support leg (16) for supporting each corner of the floor board (1) on the foundation floor (15) (see FIG. 2) while being spaced apart from the foundation floor (15) by a required distance. .
This support leg (16) has a main body (17) formed into a prominent saddle shape by pressing a steel plate, and two fan-shaped attachments connected to the outer periphery of the main body (17) at equal intervals. The same circumference centering on the protruding shaft (19) on the upper surface of the main body (17) and the protruding shaft (19) formed in a cylindrical shape upward by burring at the center of the upper surface of the piece (18) There are four upward positioning protrusions (20) formed by cutting and raising at equal intervals on the top.

  In this example, the height of the projecting shaft (19) and the positioning projecting piece (20) from the upper surface of the main body (17) is the thickness of the floor board (1), more precisely, the lower surface of the inward facing piece (5). The outer diameter of the projecting shaft (19) is less than the distance from the bottom surface of the surface plate (3) and the corners of the four floor plates (1) are aligned with each other. Although it contacts the notch (6) at the end of the hanging piece (4), the height of the projecting shaft (19) is substantially equal to the thickness of the floor plate (1) and the projecting shaft (19) The outer diameter may be inscribed in the notch (6) of the surface plate (3) when the corners of the four floor plates (1) are aligned with each other.

  The upper surface of the body (17) is provided with insertion holes (21) and (22) through which the protruding shaft (19) and the four positioning protrusions (20) are inserted. A seat (23) is attached.

In order to spread a large number of floor boards (1) on the foundation floor (15), as shown in FIG. 1 to FIG. 3, a large number of support legs (16) on which a sheet (23) is placed on the foundation floor (15). ) Are arranged at equal intervals with the length of each side of the floorboard (1) (the length assuming that the notch (6) is not provided) and all in the same direction, and the foundation is used if necessary Secure to the floor (15) with screws.
On the foundation floor (15) at the corner of the room, if necessary, the support leg (16) is divided into two or four equal parts in plan view, or for other corners. Support members (both not shown) are provided.

Then, the floor plate (1), together with the edge of the cut end outs (6) of the suspended piece (4) at each corner contacts the outer peripheral surface of the projecting shaft (19), and adjacent each corner , Positioning protrusions (20 ) Are fitted, and placed on the support leg 16 in order so that both side ends of the positioning projection piece 20 are in contact with the inner edges of the notches 7 and 7 (see FIG. 3). ).
At this time, in order to prevent the hanging pieces (4) and (4) of the oblique sides of the two triangular panels (2A) and (2B) on the floor board (1) from interfering with the positioning protrusion (20), suspended piece (4) (4) and inwardly piece (5) switching Operation-out at both ends of the (5) (8) (8) is provided.

  FIG. 1 shows a state in which a large number of floor boards (1) are thus spread. As shown in FIG. 1, the direction of the joint portion where both triangular panels (2A) and (2B) are abutted in each floor board (1) may be the same as shown in FIG. 1, but the direction may be changed alternately or arbitrarily. . In addition, the hanging pieces (4) and (4) on both sides sandwiching the right angle corner of each triangular panel (2A) (2B) in FIG. 1 are arranged between the foundation floor (15) and the floor board (1). It is preferable to provide a recess (24) for drawing out the wiring from an arbitrary position above the floor board (1).

By laying a large number of floor boards (1) in this way, the corners of each floor board (1) are supported by the support legs (16) by the projecting shafts (19) and positioning projections (20) of the support legs (16). ) Is reliably positioned in any direction in the horizontal direction, and is supported at a required height from the foundation floor (15) without being distracted.
Further, the notch (6) of the hanging piece (4) at the corner of the floor plate (1) is brought into contact with the outer peripheral surface of the projecting shaft (19) provided on the upper surface of the support leg (16), and the projecting shaft (19 ) And lowering the floor plate (1) while slightly rotating to the side, positioning protrusions between the inner edges of both inwardly facing pieces (5) and (5) at the corners of the floor plate (1) The floor board (1) can be laid easily by making it easy to enter.

In the above-described embodiment, each triangular panel (2A) (2B) is a right-angled isosceles triangle in plan view, and the oblique sides thereof are butted and joined to form a floor plate (1) in plan view square. However, the planar shape of the floor board (1) may be a polygon other than a square, and the triangular panels (2A) and (2B) may have other shapes.
Further, the engagement protrusion (10) may be provided on the triangular panel (2B) side, and the positioning hole (12) engaged therewith may be provided on the triangular panel (2A) side.

  Further, the projecting shaft (19) may be a prism, or the projecting shaft (19) and the positioning projecting piece (20) may be formed separately from the main body (17) and fixed to the main body (17).

It is a partial top view when a floor board is spread on the foundation floor with one embodiment of the present invention. Similarly, it is a longitudinal cross-sectional view which follows the II-II line of FIG. FIG. 3 is an enlarged cross-sectional plan view taken along line III-III in FIG. 2. FIG. 4 is an enlarged cross-sectional plan view taken along line IV-IV in FIG. 2. Similarly, it is a longitudinal cross-sectional view which follows the VV line of FIG. Similarly, it is a disassembled perspective view of a floor board. Similarly, it is a bottom view of a floor board. Similarly, it is a perspective view of a support leg.

Explanation of symbols

(1) Floor board
(2A) (2B) Triangle panel
(3) Surface plate
(4) Hanging piece
(5) Inward facing piece
(6) (7) (8) Notch
(9) Engagement hole
(10) Engagement protrusion
(11) Engaging claw
(12) Positioning hole
(13) Reinforcing plate
(14) Yamagata ridge
(15) Foundation floor
(16) Support leg
(17) Body
(18) Mounting piece
(19) Projection shaft
(20) Positioning protrusion
(21) (22) Insertion hole
(23) Seat
(24) dent

Claims (7)

In the support structure of the floor board that supports each corner of the polygonal floor board in plan view with a support leg on the foundation floor and spaced apart from the foundation floor,
The floor plate is provided with a hanging piece on each side of the substantially polygonal surface plate in plan view, a notch is provided in the hanging piece at each corner of the surface plate, and an inward piece is provided at the lower end of each hanging piece. It shall have, on the upper surface of the support leg, a projecting shaft which cutout portions of both suspended piece was made to abut against the outer peripheral surface adjacent each corner of the floor plate, together with the adjacent in each corner of the floor plate The floor board is provided with positioning protrusions for positioning the floor board by having both ends abutting against the inner edges of both inwardly facing pieces that expand in a C shape in a direction away from the corner. Support structure.   A projecting shaft is provided at the center of the upper surface of the support leg, and a plurality of positioning projecting pieces are provided at equal intervals on the same circumference centered on the projecting shaft, and the corners of the plurality of floor plates are mutually centered on the projecting shaft. The floor board support structure according to claim 1, wherein the floor board is supported by a single support leg.   The floor board support structure according to claim 1 or 2, wherein each corner of the surface plate is provided with a notch continuous with the notch of the hanging piece.   The height of the projecting shaft is substantially equal to the height of the upper surface of the surface plate when the floor plate is placed on the upper surface of the support leg, and the notch portion of the surface plate is brought into contact with the outer peripheral surface of the projecting shaft. Item 4. A floor board support structure according to Item 3.   The support structure of the floor board in any one of Claims 1-4 which attached the sheet | seat made from a buffer material to the upper surface of the support leg except a protruding shaft and a positioning protrusion.   6. The support leg according to any one of claims 1 to 5, wherein the support leg is formed by pressing a steel plate to form a face-down shape, and a protruding shaft is formed on the upper surface by burring and a positioning protrusion is cut and raised. Floor board support structure. The floorboard is formed by providing a hanging piece on each side of a triangular surface plate in plan view, and connecting one side of two triangular panels that are provided with an inward piece at the lower end of each hanging piece. At the corners at both ends of the abutting sides of both triangle panels, the two outer hanging pieces are provided with notches that contact the outer peripheral surface of the protruding shaft, and the two inner hanging pieces that are abutted against each other are provided. , the support structure of the floor plate according to claim 1 provided with a switching Ri outs Ru cormorants fitted positioning protrusion.

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