JP5706090B2 - Double floor floor panel and double floor equipment - Google Patents

Description

  The present invention relates to a floor panel for a double floor and a double floor facility which are arranged at a predetermined interval from a base floor so as to form a wiring path space on the base floor and are supported by a support portion.

  2. Description of the Related Art Conventionally, there has been known a double floor floor panel that is disposed at a predetermined distance from a foundation floor so as to form a wiring path space on the foundation floor and is supported by a support portion. For example, as disclosed in Patent Documents 1 and 2, a double floor floor panel is provided with a substantially flat core material between an upper plate material and a lower plate material, and the upper plate material on the upper surface side of the core material. The lower plate material is bonded to the lower surface side of the core material. As this core material, a particle board, MDF, or the like is used.

JP-A-10-115077 JP 2009-203616 A

  By the way, when a particle board or MDF is used for the core material of a floor panel for double floors as in Patent Documents 1 and 2, the floor panel for double floors is reduced in weight to improve workability and reduce the load on the building. There is an advantage that you can. However, since the strength such as impact resistance is not sufficient, it is necessary to increase the thickness of the core material or the upper plate material and the lower plate material in order to ensure the necessary strength as a floor panel for double floors. As a result, there is a problem that the weight is increased and the cost is increased.

The present invention has been made to propose to solve the above problem, is to provide with easy single structure, a resistor string is double flooring floor panel and double bed equipment. Moreover, the other object of this invention is to provide the floor panel for double floors and the double floor installation which can strengthen the intensity | strength of the surrounding surface vicinity of the floor panel for double floors .

The floor panel for double floors of the present invention is disposed at a predetermined interval from the foundation floor surface so as to form a wiring path space on the foundation floor surface,
A floor panel for a double floor supported by a support part,
Core material,
An upper plate provided to be fixed to the upper surface side of the core material;
A lower plate material fixedly provided on the lower surface side of the core material, and the core material has an upper drooping surface in which a peripheral surface of the core material falls substantially perpendicularly from an edge of the upper surface of the core material; It comprises a tapered surface inward from the edge of the upper drooping surface and a lower drooping surface that descends substantially perpendicularly from the edge of the taper surface. A hanging piece that is bent and extended is provided, and the lower plate member is provided with a rising piece that is bent and extended upward at the periphery of the lower plate member, and the rising piece is formed from an edge of the bottom surface. The lower vertical surface formed so as to extend along the lower hanging surface of the core material and the upper edge of the lower vertical surface are expanded outward so that the taper surface of the core material is aligned. An expansion taper surface formed on the upper end of the core material, rising from the upper edge of the expansion taper surface It is composed of an upper elevation upper surface is formed along the lower surface, and the suspended piece the rising piece by upper elevational upper piece Prefecture is arranged to have an overlapping portion, of the circumferential surface of the core member at least partially covered, the overlapping portion presses the peripheral surface of the upper rising surface and the core member of the rising piece located inside in the suspended piece located outside, or located outside the pressing the peripheral surface of the suspended piece and the core material is positioned inside the upper rising surface of the rising piece and said. The upper plate member and the lower plate member are preferably made of high strength such as steel, and the upper plate member and the lower plate member are preferably bonded and fixed to the upper surface side and the lower surface side of the core material, respectively.
In the above configuration, the core material is composed of a plywood in which a plurality of single plates are stacked, so that sufficient strength such as impact resistance can be obtained, and thickness and weight can be reduced. Improvement, cost reduction, and reduction of load on the building. In addition, it is possible to obtain a double floor floor panel with a simple structure and low cost.

Double flooring for floor panels of the present invention is characterized Rukoto notch is provided on the four corners of the lower side plate member.

Double flooring for floor panels of the present invention, the core material is characterized that you have been configured with a single plate superposed plurality plywood.

Double flooring for floor panels of the present invention, near the four corners, fixing bolts can be inserted a through hole to be fixed to the support portion, characterized that you have been bored.

Moreover, the double floor equipment of the present invention is a floor panel for a double floor that is supported by a support portion disposed at a predetermined interval from the foundation floor surface so as to form a wiring path space on the foundation floor surface. The floor panel for the double floor is composed of a core material, an upper plate material fixed to the upper surface side of the core material, a lower plate material fixed to the lower surface side of the core material, The upper plate is provided with a hanging piece that is bent and extended downward on the periphery of the upper plate, and the lower plate is vertically extended and extended on the periphery of the lower plate. An upper piece is provided, and the hanging piece and the rising piece are arranged so as to have an overlapping portion, so that at least a part of the peripheral surface of the core material is covered, and the overlapping portion is positioned outside. Pressing the upright piece and the peripheral surface of the core material located inside with the hanging piece, or The rising piece positioned on the side presses the hanging piece positioned on the inner side and the peripheral surface of the core material, and the support portion includes a base portion installed on the foundation floor surface, and the base portion A standing portion that is erected from above, an adjustment portion that is attached to the standing portion so that height adjustment is possible, a spacer portion that is disposed on the adjustment portion, and a cushioning material that is disposed on the spacer portion And a protrusion that positions the double floor floor panel substantially in contact with a portion of the periphery of the double floor floor panel is provided at an upper portion of the spacer portion. It is composed of a vertical portion extending upward and a mountain-shaped portion protruding in a mountain shape at the top of the vertical portion, and is hollow and has a front-rear front-rear surface closed, and a reinforcing piece is formed at a substantially central position in the front-rear direction. Between the protrusions and on the cushioning material. The bottom surface of the panel is characterized in that it is placed.

The double floor facility according to the present invention is a double floor facility in which the floor panel for a double floor according to the present invention is laid on a support portion disposed on a foundation floor surface, and the support portion is disposed on the foundation. A base part installed on the floor, a standing part standing from the base part, an adjustment part attached to the standing part so that height adjustment is possible, a spacer part arranged on the adjustment part, And a cushioning material disposed on the spacer portion, and a protrusion for positioning the double floor floor panel substantially on the periphery of the double floor floor panel at an upper portion of the spacer portion. parts are provided between the projecting portion and the bottom surface of the floor panel on the buffer material and wherein Rukoto placed. The adjustment part and the spacer part are preferably substantially square in plan view. In addition, the said structure is applicable also in the case of the floor panel for normal double floors other than this invention.
In the above-described configuration, it is not necessary to separately add a detent between the adjusting portion and the spacer, so that the manufacturing cost can be reduced. In addition, since the bottom surface of the floor panel is positioned on the cushioning material, the feeling of walking is good and noise can be prevented. Moreover, the structure of a support part etc. is simple and the double floor installation which is low cost can be obtained. In the above configuration, the spacer portion can be manufactured with a simple configuration, and the manufacturing cost can be reduced. Moreover, it becomes possible to position by the protrusion part of a spacer part upper part, and positioning can be facilitated by positioning the floor panel for double floors.

In the double-floor facility of the present invention, the protruding portion is composed of a vertical portion extending upward in a front view and a mountain-shaped portion protruding in a mountain shape at the top of the vertical portion, and is hollow and has front and rear front and rear surfaces. while being closed, it characterized that you have been reinforcing piece is formed in the front-rear direction substantially central position of the.

In the present invention, it is possible in easy easy structure, to obtain a low-cost double flooring floor panel or double bed facility. Moreover, the intensity | strength of the surrounding surface vicinity of the floor panel for double floors can be strengthened .

(A) is plane explanatory drawing which shows the double floor installation of embodiment, (b) is the front explanatory drawing. (A) is the top view of the floor panel for double floors of an embodiment, (b) is the front view, (c) is the side view, (d) is the enlarged plan view of the A1 field of the same figure (a), (E) is an enlarged plan view of the region B1 in FIG. 10 (a), (f) is an enlarged plan view of the region C1 in FIG. 11 (a), and (g) is an enlarged side view of the region D1 in FIG. . (A) is the top view of the core material in the floor panel for double floors of embodiment, (b) is the front view, (c) is the side view, (d) is an enlarged view of A2 area | region of the same figure (a). (E) is an enlarged plan view of the B2 region of FIG. (A), (f) is an enlarged plan view of the C2 region of FIG. (A), and (g) is a D2 region of FIG. (B). The enlarged front view. (A) is a plan view of the lower steel plate material in the floor panel for double floors of the embodiment, (b) is a front view thereof, (c) is a side view thereof, and (d) is an A3 region of FIG. (E) is an enlarged plan view of the B3 region of FIG. (A), (f) is an enlarged plan view of the C3 region of FIG. (A), and (g) is D3 of FIG. The enlarged front view of an area | region. (A) is a plan view of the upper steel plate material in the floor panel for double floors of the embodiment, (b) is a front view thereof, (c) is a side view thereof, and (d) is an A4 region of FIG. (E) is an enlarged plan view of the B4 region in FIG. (A), (f) is an enlarged plan view of the C4 region in FIG. (A), and (g) is a D4 region in FIG. (B). FIG. Front explanatory drawing which shows the state before adhering of the upper steel plate material, core material, and lower steel plate material in the floor panel for double floors of embodiment. (A) is plane explanatory drawing which shows the state before attaching the projection body in embodiment to a core material, (b) is AA sectional drawing of the figure (a). (A) is plane explanatory drawing which shows the state before the engagement to the other double floor floor panel of the protrusion attached to the floor panel for one double floor, (b) is the state after the engagement. FIG. (A) is a top view of the support part in the double floor installation of embodiment, (b) is the front view. (A) is a front view which shows the base part and standing part of a support part of FIG. 9, (b) is the bottom view. (A) is a top view which shows the adjustment part of the support part of FIG. 9, (b) is the front view. (A) is a top view which shows the spacer part of the support part of FIG. 9, (b) is the front view, (c) is BB sectional drawing of the figure (a). (A) is a top view which shows the floor panel for double floors of a modification, (b) is the front view, (c) is the bottom view. (A) is a principal part enlarged plan view of the floor panel for double floors of a modification, (b) is CC sectional drawing of the figure (a). (A) is the partial top view of the state which attached the protrusion of the modification to the floor panel for double floors of embodiment, (b) is the partial side view.

[Floor Panel for Double Floor and Double Floor Equipment of Embodiment]
A floor panel for double floors and a double floor facility according to an embodiment of the present invention will be described.

  As shown in FIG. 1, the double floor facility of the present embodiment is a support floor separation type double floor facility, and the support legs 50 corresponding to the support portions are arranged on the foundation floor surface 60 with predetermined intervals. The double floor floor panel 10 is laid on the support legs 50, and the double floor floor panel 10 is supported by the support legs 50 at a predetermined height from the foundation floor surface 60. A space of a predetermined distance between the lower surface of the floor panel 10 for double floors and the base floor surface 60 constitutes a wiring path space 70, and wiring or the like can be laid.

  As shown in FIG. 2, the double floor floor panel 10 is disposed so as to overlap with a core material 20 that is a substantially rectangular plate-like body in plan view and a lower surface side of the core material 20. A lower steel plate 30 corresponding to a lower plate provided by being bonded to the lower surface side of the core material 20 by bonding, and an upper surface of the core material 20 by being bonded with an adhesive or the like. It is comprised from the upper side steel plate material 40 corresponded to the upper side plate material provided by adhering to the side. In the vicinity of the four corners of the floor panel 10 for double floors, insertion holes 11 through which fixing bolts for fixing to the support legs 50 can be inserted are formed, and wiring drawing recesses are formed on two adjacent sides in a plan view. 12 is formed. A total of four recesses 12 for wiring lead out on each side are formed at two positions shifted from the center to both sides. A protrusion 13 having a function of preventing rotation and positioning of the double floor panel 10 is provided at a position slightly shifted to one side at the approximate center of one side where the wiring lead-out recess 12 is formed. The engaging protrusion 132 of the protrusion 13 provided on another floor floor 10 is accommodated and engaged at a position slightly shifted to one side at the approximate center of the side opposite to the side having the body 13. A storage recess 14 is formed which is made possible. When the protrusions 13 and the storage recesses 14 are arranged at positions slightly shifted to the one side, the storage recesses 14 and 14 of the floor panels 10 and 10 for double floors are arranged on the same side. It is possible to prevent a large hole from being formed by abutment of the two storage recesses 14 and 14, and to prevent the heel of the high heel from falling.

  The square shape in plan view of the floor panel 10 for the double floor is appropriate, such as a rectangle or a square. For example, the vertical and horizontal lengths are 600 mm, the thickness is 18 mm or more and less than 25 mm, preferably the height is 18 mm or more and 21 mm or less. In addition, sufficient strength can be obtained by, for example, setting the vertical and horizontal lengths to 500 mm and the thickness to 10 mm or more and less than 18 mm, respectively. In addition, such a high-strength double-floor floor panel 10 can reduce the number of support legs 50 that support the double-floor floor panel 10, thereby improving workability and reducing costs.

  As shown in FIG. 3, the core material 20 is composed of a plywood in which a plurality of single plates are stacked. In this embodiment, a plurality of single eucalyptus plates are stacked and fixed to each other by bonding of an adhesive or the like. Has been. The core material 20 has a substantially square shape in plan view, and includes an upper surface 22, a lower surface 23 having a smaller planar view area than the upper surface 22, and a peripheral surface 24, and the peripheral surface 24 is substantially from an edge of the upper surface 22. The upper drooping surface 241 descends vertically, the tapered surface 242 faces inward from the edge of the upper drooping surface 241, and the lower drooping surface 243 descends substantially vertically from the edge of the taper surface 242. In the vicinity of the four corners of the core material 20, insertion holes 25 that allow the fixing bolts to be inserted and that constitute the insertion holes 11 are formed, and the portions corresponding to the wiring lead-out recesses 12 and the storage recesses 14 correspond to each other. Recesses 26 and 27 are formed respectively. Further, a substantially bowl-shaped concave portion 28 larger than the concave portions 26 and 27 is formed at a position where the projection body 13 is provided, and the projection body 13 is disposed and bonded to the concave portion 28. Yes. The concave portion 28 formed on the first surface of the peripheral surface 24 of the core material 20 corresponds to a first concave portion provided on the first surface of the peripheral surface 24 of the core material 20, and the peripheral surface of the core material 20. The recess 27 corresponding to the storage recess 14 formed on the second surface facing the first surface of 24 corresponds to a second recess provided on the second surface of the peripheral surface 24 of the core material 20.

  As the eucalyptus material used for the core material 20, it is possible to use an appropriate material among many kinds, but when it is grown on Tasmania Island in the cold region of Australia, it has further improved strength, particularly impact resistance. An excellent double floor floor panel 10 can be obtained, which is preferable. Further, in the single plate superposition structure, it is preferable to laminate the fibers so that the fibers of each single plate are staggered, because the strength can be further increased and the strength can be made uniform. Further, the number of single plates is appropriately 3 to 19 or less, for example. Although it is preferable to make each single plate thinner and increase the number of sheets, the strength can be further increased. However, the thickness and strength of the double-floor floor panel 10 are preferably about 7 to 9 sheets. Further, the specific gravity of the single plate constituting the core material 20 is preferably 0.70 or more and 0.85 or less from the viewpoint of strength improvement, and Tasmanian eucalyptus is included in the range of this specific gravity.

  As shown in FIG. 4, the lower steel plate material 30 has a substantially square shape in plan view, and is bent and extended upward from the substrate 31 constituting the bottom surface along the lower surface 23 of the core material 20 and from the periphery of the substrate 31. And a rising piece 32. The rising piece 32 rises from the edge of the substrate 31 constituting the bottom surface, and forms a lower rising surface 321 formed along the lower hanging surface 243 of the core material 20 and an upper edge of the lower rising surface 321. Expanded outwardly, the expanded taper surface 322 formed along the tapered surface 242 of the core material 20, and rising from the upper end edge of the expanded taper surface 322, along the upper drooping surface 241 of the core material 20 The upper rising surface 323 is formed. At the corners of the four corners of the lower steel plate material 30, notches 33 are formed by notching the substrate 31 and the rising pieces 32, and the fixing bolts can be inserted in the vicinity of the four corners to constitute the insertion holes 11. Insertion holes 34 are formed, and corresponding recesses 35 and 36 are formed at locations corresponding to the wiring lead-out recess 12 and the storage recess 14, respectively. Further, a cutout portion 37 is formed at a position corresponding to the position where the protrusion 13 is provided without the lower vertical surface 321, the expanded tapered surface 322, and the upper vertical surface 323.

  As shown in FIG. 5, the upper steel plate material 40 is substantially rectangular in plan view, and includes a substrate 41 that constitutes the upper surface along the upper surface 22 of the core material 20, and a hanging structure that is bent and extended downward from the periphery of the substrate 41 And a piece 42. The drooping piece 42 is a drooping surface that hangs on four sides from the substrate 41 and comes into contact with the outer surface of the upper vertical surface 323 of the lower steel sheet material 30. In the vicinity of the four corners of the upper steel plate material 40, through holes 43 that allow the fixing bolts to be inserted and that constitute the insertion holes 11 are formed, and at locations corresponding to the wiring lead-out recesses 12 and the storage recesses 14, respectively. Corresponding recesses 44 and 45 are respectively formed. Further, a cut portion 46 without the hanging piece 42 is formed at a position corresponding to the position where the protrusion 13 is provided.

  The protrusion 13 is made of resin, and as shown in FIG. 7, is provided with a mounting portion 131 having a substantially bowl shape in plan view and a side opposite to the core material 20 of the mounting portion 131, and the tip is formed in a substantially semi-elliptical arc shape. It is comprised from the engagement protrusion part 132 currently made. The attachment portion 131 is fitted into the concave portion 28 corresponding to the first concave portion provided on the first surface of the peripheral surface 24 of the core material 20 and bonded to the core material 20. On the bonding surface side of the mounting portion 131 (the surface side in the fitting direction of the mounting portion 131), an anchor concave portion 133 having a Ω-shape in plan view is formed, and the concave portion 28 of the core material 20 and the mounting portion 131 are bonded. The adhesive to be entered enters the tip enlarged portion of the anchor recess 133, and the adhesive strength of the protrusion 13 to the core material 20 is enhanced by the anchor effect. An appropriate adhesive can be used as this adhesive, but a hot melt adhesive or the like is preferable because the anchor effect can be more reliably exhibited. Further, the protrusion 13 is sandwiched between the end of the upper steel plate material 40 and the end of the lower steel plate material 30 at the upper and lower surfaces, and the mounting strength to the floor panel 10 for double floor is further increased. The shape and the number of anchor recesses 133 are not limited to the above-described Ω-shape and are not limited to six. However, it is preferable to provide a plurality of anchor recesses in a shape having an enlarged portion at the tip, which can further increase the fixing strength.

  As shown in FIG. 8, the engagement protrusion 132 is formed in a state in which the protrusion 13 is fixed to the core material 20 of one double floor floor panel 10 or one floor floor panel 10. In the floor panel 10 for heavy floors, it can engage with the recessed part 27 equivalent to the 2nd recessed part provided in the 2nd surface of the peripheral surface 24 of the core material 20, or the accommodation recessed part 14 of the floor panel 10 for another double floors. The engaging protrusion 132 is formed in the recess 27 or the storage recess 14 of another double floor floor panel 10 when one floor floor panel 10 and another floor floor panel 10 are arranged adjacent to each other. Engaged. In addition, a part of the mounting portion 131 of the protrusion 13 protrudes outward from the peripheral edge of the double floor floor panel 10 or the upper steel plate member 40 in plan view, and the shape and size of the storage recess 14 or recess 27 are changed accordingly. The protrusion 13 can be reliably visually observed with the above-described structure.

  When the floor panel 10 for double floors is configured from the core material 20, the lower steel plate material 30, the upper steel plate material 40, and the protrusions 13, the attachment portions 131 of the protrusions 13 are formed on the concave portions 28 of the core material 20. Are attached by fitting or the like, and the attachment portion 131 is fixed to the concave portion 28 with an adhesive, and the protrusion 13 is attached to the core material 20. And an adhesive agent is apply | coated to the lower surface and upper surface of the core material 20, and as shown in FIG. 6, the lower steel plate material 30 and the upper steel plate material 40 are arrange | positioned so that the core material 20 may be pinched | interposed, and the lower surface of the core material 20 The upper steel sheet 40 is bonded to the upper surface of the lower steel sheet 30 and the core material 20 to form the double floor floor panel 10. In addition, the adhesive used for this adhesion and the number of types thereof are appropriate, regardless of whether it is one-component or two-component, a solvent type, an aqueous type, a hot melt type, a reaction type or a pressure sensitive type, or It is possible to have a configuration such as a combination thereof, and specific examples include acrylic, phenolic, melamine resin, vinyl acetate, vinyl chloride resin, urea resin, polystyrene resin, polyvinyl alcohol, Silicone-based, urethane-based, epoxy-based and natural rubber-based adhesives can be used as appropriate.

  In arrangement | positioning of the core material 20, the lower steel plate material 30, and the upper steel plate material 40, it arrange | positions so that the standing piece 32 of the lower steel plate material 30 and the hanging piece 42 of the upper steel plate material 40 may have an overlapping part at least partially. Then, the rising piece 32 and the hanging piece 42 cover at least a part of the peripheral surface 24 of the core material 20, and the overlapping piece causes the rising piece 32 and the core located inside by the hanging piece 42 located outside. The peripheral surface 24 of the material 20 is pressed, or the hanging piece 42 positioned inside and the peripheral surface 24 of the core material 20 are pressed by the rising piece 32 positioned outside. In this example, a suspended surface constituting the suspended piece 42 of the upper steel plate material 40 is disposed in a state of being substantially in contact with the outside of the upper raised surface 323 that is a part of the raised piece 32 of the lower steel plate material 30, The inner surface of the piece 32 is substantially in contact with the peripheral surface 24 of the core member 20, and the inner surface of the hanging piece 42 is substantially in contact with the outer surface of the rising piece 32, and the rising piece positioned on the inside by the hanging piece 42 positioned on the outside. 32 and the peripheral surface 24 of the core material 20 are pressed, and the above configuration makes it possible to cover the vicinity of the peripheral surface of the floor panel 10 for a double floor with a more stable and high-strength structure. Yes.

  Moreover, as shown in FIG. 9, the support leg 50 which supports the floor panel 10 for double floors is standingly installed from the base part 51 installed in the foundation floor surface 60, and the base part 51, and the screw part 521 on the outer periphery. And a height adjusting nut 531 that is screwed into the screw portion 521 of the standing portion 52 and is provided at the bottom so that the height can be adjusted by rotating the height adjusting nut 531. The adjustment portion 53 is attached, a resin spacer portion 54 installed on the adjustment portion 53, and a cushioning material 55 attached to the spacer portion 54. The support leg 50 adjusts the height from the base portion 51 to the upper surface of the cushioning material 55 on the spacer portion 54 by height adjustment by rotation of the adjusting portion 53, and the bottom surface is placed on the cushioning material 55. The height adjustment of the floor panel 10 for double floors and the fine adjustment with respect to the rattle are possible.

  As shown in FIG. 10, the base portion 51 has a substantially square plate shape such as a substantially square shape in a plan view and a bottom view, and a notch 511 that serves as a guide for positioning at the time of inking is provided in each of the substantially central portions of the four sides. Is formed. On the bottom surface side of the base portion 51, a concave portion 512 having a circular shape in a bottom view and a concave portion 513 extending linearly from the center toward the four corners and intersecting with the concave portion 512 are formed, and the base portion 51 is formed on the base floor surface 60. When fixing, the adhesive used for the fixing accumulates in the recesses 512 and 513. The concave portions 512 and 513 are convex portions on the upper surface side of the base portion 51. Furthermore, a plurality of circular holes 514 are formed at positions shifted to one side between the linear recesses 513 and 513 of the base 51, and the adhesive overflows from the holes 514 to the upper surface of the base 51. Thus, the anchoring of the base portion 51 to the foundation floor surface 60 can be strengthened by an anchor effect. Further, the standing portion 52 made of a bolt is fixedly installed by caulking and welding the lower end thereof to a substantially central portion of the base portion 51, and 522 in the drawing is a caulking portion and 523 is a welding portion.

  As shown in FIG. 11, the adjustment portion 53 attached to the standing portion 52 so as to be adjustable in height includes a base portion 532 having a substantially square shape in plan view and chamfered at four corners, and a lower portion at a substantially central portion of the base portion 532. A nut housing portion 533 that is formed in a recessed shape and can be provided with a locking nut, a height adjusting nut 531 that is caulked and coupled to the bottom of the nut housing portion 533, and a hole near each of the central portions of the four sides of the base portion 532. Reinforcing ribs 535 that are formed and bulge outward in the four corner directions of the base 532 of the nut storage portion 533 and the holes 534 that can be fixed by screwing the fixing bolts of the floor panel 10 for the double floor. It consists of. A structure in which the height adjusting nut 531 is rotated to adjust the height of the adjusting portion 53 with respect to the standing portion 52, and then a loosening prevention nut is screwed or tightened to the standing portion 53 from above to be stored in the nut storage portion 533. Thus, it is possible to prevent loosening against vibration and treading pressure by the double nut effect.

  As shown in FIG. 12, the spacer portion 54 mounted on the base portion 532 of the adjustment portion 53 includes a base portion 541 having a substantially square shape in plan view and four corners chamfered, and a suspended surface extending downward from the periphery of the base portion 541. 542, protrusions 543 formed to protrude upward in the vicinity of the four corners of the upper surface of the base 541, an opening 544 formed in the approximate center of the base 541, to which a locking nut can be attached, and a hole in the adjustment portion 53 534 is formed in a hole 545 that can be inserted through a fixing bolt and a lower end of a drooping surface 542 at the center of the four sides of the base portion 541, and can be locked to four sides of the base portion 532 of the adjustment portion 53. The spacer portion 54 is configured to be integrated with the adjusting portion 53 by locking the locking portion 546 to the base portion 532 of the adjusting portion 53. Further, the projecting portion 543 includes a vertical portion 547 that extends upward in a front view, and a mountain-shaped portion 548 that projects in a mountain shape at the top of the vertical portion 547, and is hollow and obstructs the front and rear surfaces in front view. A reinforcing piece 549 is formed at a substantially central position in the front-rear direction. The protruding portion 543 can substantially contact the part of the circumferential surface of the double floor floor panel 10 to position the double floor floor panel 10. In addition, since the base 532 of the adjustment part 53 and the base 541 of the spacer part 54 are substantially rectangular in a plan view, there is no need to provide a mutual detent.

  The cushioning material 55 is affixed to locations other than the opening 544, the protruding portion 543, and the hole 545 on the base portion 541 of the spacer portion 54, and can prevent generation of sound during walking. The material of the cushioning material 55 is appropriate such as non-woven fabric, rubber, sponge, paper-like material, cloth-like material, and the constitution thereof is also appropriate, for example, a constitution in which a plurality of protrusions are provided on a flat rubber or the like. Is also possible.

  When a double floor facility is constituted by the double floor floor panel 10 and the support legs 50, as shown in FIG. 1, the support legs 50 corresponding to the support portions are spaced apart from each other on the basic floor surface 60 by a predetermined interval. It arrange | positions and each support leg 50 is fixed to the foundation floor 60 with an adhesive agent. Thereafter, or in parallel with the arrangement of the support legs 50, the double floor floor panel 10 is placed on the support legs 50. When the double floor floor panel 10 is placed, the four corners of the double floor floor panel 10 arranged in four directions are placed on the cushioning material 55 of the support leg 50, and the double floor floor panel 10 is placed. The fixing bolt insertion hole 11 and the holes 534 and 545 of the support leg 50 are arranged at substantially the same position in plan view. In this state, the outer surface of the vertical portion 547 in the protruding portion 543 of the spacer portion 54 is substantially in contact with the lower standing upper surface 321 of the lower steel plate material 30 that is a part of the peripheral surface of the double floor floor panel 10, The inclined surface of the mountain-shaped portion 548 substantially abuts on the expanded taper surface 322 of the lower steel plate 30 that is a part of the peripheral surface of the double floor floor panel 10, so that each double floor floor panel 10 is securely attached. It is a structure that can be placed and fixed at various positions.

  When laying a plurality of double floor floor panels 10 on the support legs 50, as shown in FIG. 8, the engaging protrusions of the protrusions 13 of one adjacent double floor floor panel 10 are provided. 132 enters and engages with the storage recess 14 of the other adjacent floor panel 10 for the double floor to form the floor surface of the double floor.

  The floor panel for double floor 10 or the double floor facility of the present embodiment can obtain sufficient strength such as impact resistance by configuring the core material 20 with a plywood in which a plurality of single plates are stacked. At the same time, it is possible to reduce the thickness and weight, thereby improving workability, reducing costs, and reducing the load on the building. In addition, the cost can be reduced with a simple structure. Moreover, the strength can be increased in the vicinity of the peripheral surface, which is the weakest portion of the double floor floor panel 10, by the hanging piece 42 and the rising piece 32 and the pressing thereof. Further, most of the core material 20 can be concealed by the upper steel plate material 40 and the lower steel plate material 30 and the four corners are fixed by fixing bolts. Decomposition can be prevented, and even when a building is submerged, it is possible to maintain a state in which the work for carrying out articles can be carried out at a minimum. Further, due to the configuration of the core material 10 and the lower steel plate material 30 and the like, the bent portion is increased in the vicinity of the peripheral surface, which is the weakest portion of the double floor floor panel 10, and the bent portion is the core. By substantially contacting the material 20, the strength can be further increased. Further, by the configuration of the protrusion 13 and the anchor recess 133, the core material 20 can be easily provided with a protruding portion, and an adhesive is allowed to enter the enlarged portion, so that the protrusion 13 is attached to the core material 20 by the anchor effect. It can be firmly fixed and firmly fixed. In addition, by engaging the engaging protrusion 132 with the storage recess 14 of another double floor floor panel adjacently disposed, the adjacent one floor floor panel can be easily positioned and rotated. It is possible to prevent it.

  In addition, in the double floor facility, it is not necessary to separately add a detent between the adjusting portion 53 and the spacer 54, so that the manufacturing cost can be reduced. Moreover, since the bottom face of the floor panel 10 for double floors is located on the buffer material 55, a feeling of walking is good and it can prevent noise. Moreover, the structure of the support leg 50 is simple, and the double floor installation which is low-cost can be obtained. Further, the spacer portion 54 can be manufactured with a simple configuration, and the manufacturing cost can be reduced. Moreover, it becomes possible to position with the protrusion part 543 of the upper part of the spacer part 54, and positioning of the floor panel 10 for double floors can be made easy. In addition, when the double-floor floor panel 10 is arranged at a certain position, it can be slid down and placed at an accurate position by the cooperation of the mountain-shaped portion 548 and the expanded taper surface 322, and excellent construction can be achieved. Have sex. Further, even when the wiring floor laying work or the like is performed and the double floor floor panel 10 is removed from the support leg 50, the double floor floor panel 10 can be returned in the correct direction and position by the protrusion 13 or the like. , Rattling can be prevented in advance. Further, by integrating the double floor floor panel 10 and the support leg 50 with fixing bolts, it is possible to prevent the double floor floor panel 10 from being disassembled in a state in which further strength is ensured.

[Modifications of Embodiment, etc.]
The invention disclosed in this specification is not limited to the above-described embodiment, and is a combination of partial configurations of the above-described embodiment or modification, or a partial extraction of the configuration of the above-described embodiment or modification, or It includes a configuration obtained by adding a partial configuration of the above-described embodiment or modification to the configuration of the modification, a configuration obtained by deleting unnecessary portions of the above-described embodiment or modification, and the like, for example, including the following modification.

  For example, the floor panel for double floor or the double floor facility of the present invention does not need to be a support part separation type such as the support leg 50, and the support part and the floor panel for double floor are integrated in advance. Also good. Furthermore, it includes a case where the height is not adjustable, and is applicable to various double floors. Further, it is possible to adopt a configuration in which the protrusion 13 having a function of preventing rotation or the like is not provided, and it is also possible to provide a protrusion 13 other than this example. In addition, it is preferable to provide a reinforcing rib on at least one of the lower steel plate material 30 and the upper steel plate material 40 because a higher strength can be realized. Further, the wiring lead recesses 12 can be eliminated, and the number thereof is not limited to eight, and is suitably seven or less, or nine or more.

  FIG. 13 shows an example of a double floor floor panel 10a integrated with a support section. Similar to the double floor floor panel 10 of the above-described embodiment, the double floor floor panel 10a includes a core material 20a composed of a plywood obtained by stacking a plurality of single plates, and an upper surface side of the core material 20a. The upper steel plate material 40a is fixedly provided, and the lower steel plate material 30a is fixedly provided on the lower surface side of the core material 20a. The double floor floor panel 10a is not provided with the protrusions 13 and the storage recesses 14, and the wiring lead-out recesses 12a are provided on each of two adjacent sides, for a total of four. In the vicinity of the four corners of the lower steel plate material 30a, support legs 50a projecting downward and corresponding to the support portions are integrally formed, and further, reinforcing ribs 33a are formed on the bottom surface side of the lower steel plate material 30a. The reinforcing rib 33a may be configured to protrude upward from the lower steel plate material 30a or may be configured to protrude downward.

  Further, it is possible to adopt a configuration in which the protruding portion 543 of the spacer portion 54 of the support leg 50 is not provided, and the shape of the protruding portion 543 is appropriate in addition to the shape of the above-described embodiment. It is possible to configure only the corresponding portion or only the portion corresponding to the mountain-shaped portion 548. In addition, a configuration in which the reinforcing piece 549 of the projecting portion 543 is not provided or a configuration in which the projecting portion 543 is solid can be employed.

  Further, the peripheral surface of the core material 20 and further the peripheral surface of the lower steel plate material 30 may be configured as a vertical peripheral surface without providing a tapered surface or the like. Further, the plate thickness of the upper steel plate materials 40, 40a and the lower steel plate materials 30, 30a is preferably, for example, 0.1 mm or more and 1.0 mm or less, more preferably 0.3 mm, and sufficient strength. And thinning can be realized. Moreover, the plate | board thickness of the upper steel plate materials 40 and 40a and the lower steel plate materials 30 and 30a can also be made into mutually different board thickness, for example, the upper steel plate materials 40 and 40a are 0.1 mm, and the lower steel plate material 30 is. 30a is set to 0.4 mm. In addition, the upper plate member and the lower plate member of the present invention can be made of materials other than steel as long as they have the required strength. In addition, the invention disclosed in this specification includes a core material such as the core material 20 or 20a that is a non-plywood core material and is combined with another characteristic configuration.

  Moreover, the floor panel for a double floor according to the present invention may be applied to a floor panel 10b for a double floor as shown in FIG. The floor panel 10b for double floors is composed of a core material 20b composed of a plywood or a single board laminated with a plurality of single plates, and an upper steel plate material 40b fixedly provided on the upper surface side of the core material 20b. And a lower steel plate material 30b fixedly provided on the lower surface side of the core material 20b, and a large recess 15b is formed at the approximate center of one side. The concave portion 15b can be used to install a large amount of wiring drawers or outlets, and is covered with a cover 16b having a U-shaped cross section. When the concave portion 15b is used, the cover 16b is removed. The member 16b is attached. The core material 20, 20a, 20b can be seen from the side at the recesses 12 and 12a for wiring drawing, the four corners of the floor panels 10, 10a and 10b for double floors, or the recess 15b of the floor panel 10b for double floors. In this case, it is preferable to apply the same color coating as the lower steel plate materials 30, 30a, 30b and the upper steel plate materials 40, 40a, 40b to the part to be visually observed. It is possible to carry out by appropriate coating such as silicon coating and fluorine coating.

  Moreover, about the protrusion in the floor panel for double floors of this invention, it is not limited to the structure which only the engagement protrusion part 132 protrudes from the periphery of the upper side steel plate material 40 by planar view, For example, as shown in FIG. A notch 47c may be formed in the steel plate material 40c so that the engaging protrusion 132c protrudes, and a part of the attachment portion 131c, which is an enlarged portion of the protrusion 13c, can be seen from the notch 47c in a plan view. 10c is a floor panel for double floors, 20c is a core material, and 30c is a lower steel plate material. Further, for example, by making the protrusions 13 and the like stand out in red, blue, yellow, etc., and allowing the protrusions 13 and the like to be viewed in a wide range in plan view, the installer can easily arrange the floor panel 10 or the like for the double floor. Can be confirmed and workability can be improved. Further, instead of the protrusion 13 or the like, the protrusion of the double floor floor panel may be configured to be a protrusion integrally provided on the upper steel plate material, the lower steel plate material or the core material.

  The present invention can be used for a floor panel for double floors and a double floor facility.

DESCRIPTION OF SYMBOLS 10, 10a, 10b, 10c ... Floor panel for double floors 11 ... Insertion hole 12, 12a ... Recess for wiring drawing 13, 13c ... Projection body 131, 131c ... Mounting part 132, 132c ... Engagement protrusion part 133 ... Anchor recessed part DESCRIPTION OF SYMBOLS 14 ... Storage recessed part 15b ... Recessed part 16b ... Cover 20, 20a, 20b, 20c ... Core material 22 ... Upper surface 23 ... Lower surface 24 ... Peripheral surface 241 ... Upper vertical surface 242 ... Tapered surface 243 ... Lower vertical surface 25 ... Insertion hole 26 , 27 ... concave part 28 ... concave part 30, 30a, 30b, 30c ... lower steel plate material 31 ... substrate 32 ... rising piece 321 ... lower side rising surface 322 ... widening taper surface 323 ... upper side rising surface 33 ... notch 33a ... Reinforcing ribs 34 ... Insertion holes 35, 36 ... Recesses 37 ... Cut parts 40, 40a, 40b, 40c ... Upper steel plate material 41 ... Substrate 42 Drooping piece 43 ... Insertion hole 44, 45 ... Recess 46 ... Cutout 47c ... Notch 50, 50a ... Support leg 51 ... Base part 511 ... Notch 512, 513 ... Recess 514 ... Hole 52 ... Standing part 521 ... Screw part 522 ... Caulking part 523 ... Welding part 53 ... Adjustment part 531 ... Height adjustment nut 532 ... Base part 533 ... Nut storage part 534 ... Hole 535 ... Reinforcing rib 54 ... Spacer part 541 ... Base part 542 ... Vertical surface 543 ... Projection part 544 ... Opening 545 ... Hole 546 ... Locking part 547 ... Vertical part 548 ... Mountain-shaped part 549 ... Reinforcement piece 55 ... Buffer material 60 ... Base floor surface 70 ... Wiring path space

Claims (7)

A floor panel for a double floor that is disposed at a predetermined interval from the foundation floor surface so as to form a wiring path space on the foundation floor surface, and is supported by a support portion,
Core material,
An upper plate provided to be fixed to the upper surface side of the core material;
A lower plate material fixedly provided on the lower surface side of the core material,
The core material includes an upper drooping surface in which a peripheral surface of the core material descends substantially perpendicularly from an edge of the upper surface of the core material, a tapered surface inward from the edge of the upper drooping surface, and the taper surface It consists of a lower drooping surface that descends substantially vertically from the edge,
The upper plate is provided with a hanging piece that is bent and extended downward at the periphery of the upper plate.
The lower plate member is provided with a rising piece that is bent and extended upward at the periphery of the lower plate member,
The rising piece rises from the edge of the bottom surface, and expands the lower rising surface formed along the lower hanging surface of the core material and the upper edge of the lower rising surface outward. An expanded tapered surface formed along the tapered surface of the core material; an upper raised surface formed from an upper edge of the expanded tapered surface and along the upper drooping surface of the core material; Consisting of
By arranging the hanging piece and the upper rising surface of the rising piece to have an overlapping portion, at least a part of the peripheral surface of the core material is covered,
The overlapping portion presses the peripheral surface of the rising piece of the upper rising surface and the core positioned inside in the suspended piece located outside, or the rising piece upper startup located outside A floor panel for a double floor, wherein the hanging piece and the peripheral surface of the core material that are located on the inner side are pressed. The floor panel for double floors according to claim 1, wherein notches are provided at corners of the four corners of the lower plate. The floor panel for double floors according to claim 1 or 2, wherein the core material is composed of a plywood obtained by superimposing a plurality of single plates.   The floor panel for double floors according to any one of claims 1 to 3, wherein an insertion hole through which a fixing bolt for fixing to the support portion can be inserted is formed in the vicinity of four corners. A double floor facility for laying the floor panel for double floor according to any one of claims 1 to 4 on a support portion disposed on a basic floor surface,
The support part,
A base portion installed on the foundation floor,
A standing part standing from the base part;
An adjustment portion attached to the standing portion so that the height can be adjusted;
A spacer portion disposed on the adjustment portion;
A cushioning material disposed on the spacer portion;
On the upper part of the spacer part, there is provided a projecting part for positioning the double floor floor panel substantially in contact with a part of the periphery of the double floor floor panel,
The double floor facility, wherein a bottom surface of the floor panel is placed between the protrusions and on the cushioning material. The projecting portion is composed of a vertical portion extending upward in a front view and a mountain-shaped portion projecting in a mountain shape at the top of the vertical portion. 6. The double floor facility according to claim 5 , wherein a reinforcing piece is formed at a substantially central position. A floor panel for a double floor supported by a support portion disposed at a predetermined interval from the foundation floor surface so as to form a wiring path space on the foundation floor surface,
The floor panel for the double floor is
Core material,
An upper plate provided to be fixed to the upper surface side of the core material;
A lower plate material fixedly provided on the lower surface side of the core material,
The upper plate is provided with a hanging piece that is bent and extended downward at the periphery of the upper plate.
The lower plate member is provided with a rising piece that is bent and extended upward at the periphery of the lower plate member,
By arranging the hanging piece and the rising piece to have an overlapping portion, at least a part of the peripheral surface of the core material is covered,
The overlapping portion presses the peripheral surface of the rising piece and the core material located on the inner side with the hanging piece located on the outer side, or the hanging piece located on the inner side with the rising piece located on the outer side, and While pressing the peripheral surface of the core material,
The support part is
A base portion installed on the foundation floor,
A standing part standing from the base part;
An adjustment portion attached to the standing portion so that the height can be adjusted;
A spacer portion disposed on the adjustment portion;
A cushioning material disposed on the spacer portion;
On the upper part of the spacer part, there is provided a projecting part for positioning the double floor floor panel substantially in contact with a part of the periphery of the double floor floor panel,
The projecting portion is composed of a vertical portion extending upward in a front view and a mountain-shaped portion projecting in a mountain shape at the top of the vertical portion. A reinforcing piece is formed at a substantially central position,
The double floor facility, wherein a bottom surface of the floor panel is placed between the protrusions and on the cushioning material.

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