JP3423791B2 - Floor support - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor board supporting device used for supporting a floor panel in a floor structure such as an apartment house.

[0002]

2. Description of the Related Art Conventionally, as a general dry floor structure for an apartment house or office, for example, a floor plate supporting device 51 shown in FIG. 7 is known (Japanese Patent Laid-Open No. 59-4).
751). In this floor support device 51, a support bolt 52 is screwed to a vibration isolator 55 installed on a floor slab 57 and a receiving metal fitting 56 attached to the vibration isolator 55, and a support plate 54 is attached to an upper end portion of the support bolt 52. Panel bracket 53 to which is attached
It is made by screwing. The receiving plate 54 is made of a plate material having a thickness of about 20 mm (a plywood board is laminated on both sides of a particle board). A plurality of floor plate supporting devices 51 are arranged on the receiving plate 54 to have a thickness of about 20 mm. A floor panel 56 made of a square particle sandwich plywood is placed to form a floor.

Further, as shown in FIG. 8, a receiving plate 64 is screwed onto the upper part of the support bolt 63, a receiving plate 65 having a through hole 70 is fitted into the receiving plate 64, and a floor panel 67 and a throwing paste are attached thereto. There is also a floor plate supporting device 61 configured to mount and fix a plywood 68 and a floor plate 69 (Actual Kaihei No. 6-35485). As described above, the receiving plates 54 and 65 included in each of the supporting devices are made of a plate material having substantially the same thickness as that of the floor panel (usually 20 mm in wall thickness), and the floor panel is generally received by nailing. It is fastened to the board.

[0004]

Now, the receiving plate 5 is used.
Nos. 4 and 65 use a backing plate made of wood as a material having a sufficient wall thickness to increase the pull-out strength of a fastening material such as a nail. Since the thickness will be added, if construction that requires a small gap between the floor slab and the floor plate due to the thickness of the backing plate is required, the floor construction cannot be performed. There was a problem. In addition, the floor panel 67 and the backing plate 6
It is necessary to improve the strength of fastening with 5, or to place the floor panels 67 adjacent to each other with a gap between them so as not to cover the through holes 70 of the receiving plate. Therefore, the workability for this is improved. Was desired.

The present invention has been made in view of the above problems, and it is an object of the present invention to provide a floor board supporting device which alleviates the restriction on the floor height and has good workability.

[0006]

In order to solve the above technical problems, the first means of the floor board supporting apparatus according to the present invention is
As shown in FIGS. 1 and 2, adjacent floor panels 31 are provided with a certain interval, and the board receiving plate 1 that supports the end portions of these floor panels 31 and the height adjustment of the board receiving plate 1 are provided. In the floor board support device including the support legs 21 that enable the above, the through hole 3 provided in the substantially central portion of the board receiving plate 1 into which the support legs 21 are screwed, and the upper surface of the board receiving plate 1 are projected. In addition, the floor panel 31 placed on the board receiving plate 1 is brought into contact with the side surface of the floor panel 31 so as not to block the upper side of the through hole 3 with the floor panel 31, and the adjacent floor panels 31 are installed in one direction. On the back surface side of the board receiving plate 1 to which the screw 15 penetrating the floor panel 31 is screwed, a plurality of convex portions 6 formed of convex streaks, Grooves 5 formed between the convex portions 6
And a reinforcing bar whose thickness increases from the peripheral portion of the board receiving plate 1 toward the through hole 3.

The second means is that the back surface of the board receiving plate 1 is provided with a plurality of convex portions 6 formed of convex stripes and a floor panel 31 formed between the convex portions 6 for receiving the floor panel 31. The groove portion 5 has a groove width narrower than the diameter of the shaft portion of the screw 15 screwed to the plate 1, and the reinforcing bar that increases in thickness from the peripheral portion of the board receiving plate 1 toward the through hole 3. .

The third means is that the back surface of the board receiving plate 1 is provided with a plurality of convex portions formed of convex stripes in a grid pattern, and the floor panel 31 is formed between the convex portions. The board receiving plate 1 is provided with a recess having a width narrower than the diameter of the shaft portion of the screw 15 and a reinforcing bar that increases in thickness from the peripheral portion of the board receiving plate 1 toward the through hole 3. .

A fourth means is a plurality of convex streaks formed on the back surface of the board receiving plate 1 in a direction orthogonal to the side direction of the floor panel 31 placed on the board receiving plate 1. Of the board receiving plate 1 and the groove portions 5 each having a groove width narrower than the diameter of the shaft portion of the screw 15 for screwing the floor panel 31 to the board receiving plate 1 formed between the protruding portions 6. Reinforcing bars that increase in thickness from the peripheral portion toward the through hole 3 are provided.

[0010]

According to the first means, the board receiving plate 1 is
When arranging the floor panel 31 on the upper side, if the side surface of the floor panel 31 is placed in contact with the protruding portion 2, the space between the adjacent floor panels 31 with the floor plate supporting device interposed therebetween is constant. In addition, the floor panel 31 does not block the upper part of the through hole 3. When adjusting the height, a tool is inserted through the gap between the floor panels 31 formed as described above, and the support legs 21 are rotated to raise or lower the height of the board receiving plate 1.

According to the second means, when the screw 15 is screwed in from above the floor panel 31, for example, this screw 15
Even if the tip of the screw is screwed into the center of the groove 5, the screw 1
A part of the screw thread of the shaft portion of the screw 5 is pushed into the side surfaces of the convex portions 6 on both sides of the groove portion 5, and even if the tip of the screw 15 is screwed into any part, the screw thread of the screw portion of the screw 15 is always one The part engages with the convex part 6 to firmly fix the floor panel 31 to the board receiving plate 1.

[0012] Similar to the second means, the third means also
A part of the screw thread of the shaft portion of the screw 15 is pushed into the side surfaces of the convex portions on both sides of the recessed portion, and even if the tip of the screw 15 is screwed into any part, a part of the screw thread of the shaft portion of the screw 15 is always The floor panel 31 is firmly fixed to the board receiving plate 1 by engaging with the convex portion.

According to the fourth means, the board receiving plate 1
The board receiving plate 1 from the floor panel 31 supported by
When a force is applied to bend the streaks of the
The streaks, combined with the reinforcement, effectively prevent this.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the floor board supporting apparatus according to the present invention is used in a dry floor structure in an apartment house or office will be described with reference to the drawings. The floor board supporting device 11 shown in FIGS. 1 and 2 includes a board receiving plate 1 for supporting a floor panel 31, a support bolt 21 screwed into the board receiving plate 1 to enable height adjustment, and a lower end portion of the support bolt 21. And a pedestal 25 made of low-resilience elastic rubber.

The board receiving plate 1 has a size of 100 × 1.
The plate material is about 00 mm, and nylon 6 is used as the material. The material may be a general synthetic resin material such as nylon 66 or reinforced plastic, but a synthetic resin having impact resistance is preferable. The material of the support bolt 21 is nylon 6 like the board receiving plate 1.
As shown in FIG. 3, this support bolt 21 has a hexagonal through hole 23 in the center.

Further, a through hole 3 into which the support bolt 21 is screwed is provided at a substantially central portion of the board receiving plate 1, and an upper surface end portion of the board receiving plate 1 is provided with a space between adjacent floor panels 31. A total of four protrusions 2 that determine the intervals are provided on the parallel lines that substantially inscribe the through holes 3 and at the end of the board receiving plate 1. Positioning is performed by the protrusions 2 at both ends in contact with the side surface of the floor panel 31 placed on the board receiving plate 1, whereby the space between the adjacent floor panels 31 is kept constant and the penetration is achieved. The floor panel 31 does not block the upper part of the hole 3.

In addition to the above, the protrusions 2 may be provided in two places around the through hole 3 with a diameter of the through hole 3 spaced apart, or may be provided around the through hole 3 once. .

Further, as shown in FIGS. 2 and 6, the board receiving plate 1 has a plate body portion 4 on which the floor panel 31 is placed, and the back surface side of the plate body portion 4 is composed of convex streaks. A plurality of convex portions 6 and a plurality of groove portions 5 formed between the convex portions 6 are alternately provided in parallel. Further, the width of the groove 5 (W)
Is a screw 15 for screwing the floor panel 31 to the board receiving plate 1.
It is formed to be narrower than the diameter (D) of the shaft portion. The screw 15 is preferably a tapping screw,
Screw nails may be used for simple screwing.

On the rear surface side of the plate portion 4, there are provided a plurality of reinforcing bars whose thickness increases in the vertical direction from the peripheral part toward the through hole 3 in the central part. There are ring-shaped reinforcing bars 8, outer ring-shaped reinforcing bars 7, radial reinforcing bars 10 and rectangular reinforcing bars 9.

FIGS. 4 and 5 show a floor placing structure when the floor board supporting device 11 is used in an apartment house. A plurality of floor board supporting devices 11 are arranged on the floor slab 41,
As shown in the figure, each floor board support device 11 is placed at a position along the outer circumference of a floor panel 31 placed on it. As the floor panel 31, for example, a size of 1200 × 600 mm
A particle board having a rectangular shape and a wall thickness of about 20 mm is used.

The floor panel 31 is placed on the floor plate supporting device 11 arranged as described above, and the height of the floor panel 31 is adjusted. When adjusting the height, the space L between the floor panels 31 above the support bolts 21 is used, and a tool such as a hexagon wrench is inserted from the space of the space L, and the support bolts 2 are inserted.
Fit into the through hole 23 of No. 1 and rotate the support bolt 21 to adjust to the required height.

The screws 15 are used to fix the floor panel 31 and the board receiving plate 1. This screw 15 is the floor panel 3
1 is screwed in from above, and further fixed with the screw 15 penetrating the groove portion 5 and the convex portion 6 of the board receiving plate 1. At this time, as shown in FIG. 6, since the interval (W) between the groove portions 5 of the plate portion 4 is narrower than the diameter (D) of the shaft portion of the screw 15, no matter where the screw 15 is inserted (FIG. 6).
(A), (b), (c) parts), at least screw 1
A part of the 5-shaft portion engages with the convex portion 5, whereby the screw 15
Tighten the screws.

In the above embodiment, the convex portion 6 and the groove portion 5 are provided.
Are provided in parallel only in one direction, the streaks of the convex portions 6 may be formed in a lattice shape, or the streaks of the convex portions 6 may be parallel to the directions of the four sides of the outer periphery of the board receiving plate 1. It may be formed in a rectangular shape that becomes smaller in the same direction, that is, toward the center of the board receiving plate 1. Even in this case, a part of the screw thread of the shaft portion of the screw 15 engages with the convex portion 6 to firmly fix the floor panel 31 to the board receiving plate 1.

In this way, the floor panel 31 is fixedly attached to the board receiving plate 1 of the floor plate supporting device 11, and the adjacent floor panels 31 are provided with a constant gap L by the projection 2 of the board receiving plate 1. . Further, the installation interval between the floor plate supporting devices 11 is determined according to the floor rigidity, but it is possible to strengthen the floor rigidity by arranging an appropriate number of floor plate supporting devices 11 at an intermediate portion of the long side of the floor panel 31 or the like. it can.

At this time, with respect to the floor board supporting device 11 arranged in the middle portion of the floor panel 31, the direction of the side of the floor panel 31 and the direction of the ridges of the convex portions 6 on the rear surface of the board receiving plate 1 at this arrangement portion. The direction of the board receiving plate 1 is set so as to be orthogonal. With such an arrangement, when a force is applied from the floor panel 31 to the board receiving plate 1 in a direction of bending the streaks of the convex portions 6, the streaks of the convex portions 6 are combined with the radial reinforcing streaks 10. Therefore, the rigidity against the bending force can be secured.

After the floor panel 31 is arranged, the finishing material 32 is laid on the floor panel 31 to complete the floor structure.

Therefore, according to this embodiment, the board receiving plate 1
Since the floor panel 31 and the floor panel 31 are fixed to each other using the screws 15, there is no need to interpose a thick receiving plate 54 or the like as in the conventional example, and the thickness of the board receiving plate 1 can be made as thin as possible. As a result, it becomes possible to construct the floor panel 31 that is sufficiently low even in the case of a floor-standing structure in which the height under the floor is limited.

Further, the projections 2 provided on the upper surface of the board receiving plate 1 keep the space between the floor panels 31 constant, and maintain the space above the through holes 3 not to be blocked by the floor panel 31. The workability was improved.

On the other hand, since the gap between the groove portions 5 is formed to be narrower than the diameter of the shaft portion of the screw 15 used when the floor panel 31 is screwed to the board receiving plate 1, the screw 15 is engaged with the screwing position. Instead, a part of the shaft portion of the screw 15 is always engaged with the convex portion 6, so that the strength of the engaging portion corresponding to the thickness of the convex portion 6 is secured and firmly fixed.

Further, since the board receiving plate 1 is integrally formed including the through hole 3 using a synthetic resin material such as nylon 6, it is necessary to separately provide the panel receiving metal fitting 53 or the receiving seat 64 as in the conventional example. Since there are no parts, the number of parts is reduced and workability is improved. In addition, by providing the convex portion 6 and the groove portion 5 with the thickness of the plate portion 4 of the board receiving plate 1 not being constant, the cooling time of the mold at the time of manufacturing is shortened, and the production of the board receiving is reduced. The property has improved.

[0031]

As described above, according to the floor board supporting apparatus of the present invention, the through hole 3 is provided in the board receiving plate 1 and the projection 2 is provided on the upper surface of the board receiving plate 1 while the board receiving plate 1 is provided. On the back side of the plurality of convex portions 6 composed of convex stripes,
Since the groove portions 5 are provided and the reinforcing bars extending from the peripheral portion of the board receiving plate 1 to the through holes 3 are provided, the space between the floor panels 31 is kept constant and the upper portion of the through holes 3 is located above the floor panel 31. Since it does not block with, floor panel 31
There is an effect that the workability of is improved.

In addition, the board receiving plate 1 is reinforced with through holes 3
Since the number of parts is reduced and the workability is improved due to the integral formation including the above, the convex portion 6 and the groove portion 5 are formed on the back surface side of the board receiving plate 1, and therefore, the mold is used during the manufacturing. Cooling time was shortened and productivity was improved.

On the other hand, on the back side of the board receiving plate 1,
The convex portion 6 and the groove portion 5 formed between each convex portion 6 and having the groove width narrower than the diameter of the shaft portion of the screw 15 for screwing the floor panel 31 to the board receiving plate 1 are provided. Since it is configured to be screwed, the board receiving plate 1 can be formed to be thinner than the conventional fastening by nailing, so that construction can be performed even on a floor below the floor. 15
No matter which part the screw tip is screwed into, the screw thread of the shaft portion of the screw 15 is always engaged with the convex portion 6 and the floor panel 31 can be firmly fixed to the board receiving plate 1. .

Further, the direction of the streaks of the convex portion 6 is set to the floor panel 31.
Since the structure is formed in the direction orthogonal to the side direction, the rigidity can be secured against the force applied from the floor panel 31 to the board receiving plate 1 and bending the streaks of the convex portion 6.

[Brief description of drawings]

FIG. 1 is a perspective view of a floor board supporting device according to an embodiment of the present invention.

FIG. 2 is an image projection view of the board receiving plate according to the embodiment,
(A) is a plan view, (b) is a front view, and (c) is a bottom view.

FIG. 3 is a perspective view of a support bolt according to an embodiment.

FIG. 4 is a view showing a cross section of a floor placing structure using the floor board supporting device according to the embodiment.

FIG. 5 is a diagram showing an arrangement state of a floor placing structure using the floor board supporting device according to the embodiment.

FIG. 6 is a cross-sectional view taken along the line AA ′ of the board receiving plate according to the example.

FIG. 7 is a configuration diagram of a first floor board supporting device according to a conventional example.

FIG. 8 is a configuration diagram of a second floorboard supporting device according to a conventional example.

[Explanation of symbols]

1 board support plate 2 protrusion 3 through holes 5 groove 6 convex part 15 screw 21 Support bolts (support legs) 31 floor panel

─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-5-10020 (JP, A) JP-A-7-197629 (JP, A) Actually open Sho 52-96919 (JP, U) Actually open Sho 63- 76137 (JP, U) Actual development 2-125135 (JP, U) (58) Fields surveyed (Int.Cl. ⁷ , DB name) E04F 15/00 101 E04F 15/00 102 E04F 15/024 603

Claims (5)

(57) [Claims] 1. Constant spacing between adjacent floor panels (31)
And a board receiving plate (1) for supporting the ends of these floor panels (31) , and this board receiving plate (1)
A floor plate supporting device comprising a support leg (21) capable of adjusting the height of a board, a through hole (3) provided in a substantially central portion of the board receiving plate (1) and into which the support leg (21) is screwed. And the upper surface of the board receiving plate (1), and the upper side of the through hole (3) is abutted against the side surface of the floor panel (31) placed on the board receiving plate (1). The floor panel (31) should not be obstructed by the panel (31) and be adjacent to the floor panel (31).
The protrusion (2) for maintaining a constant installation interval in one direction and the screw (15) penetrating the floor panel (31) are screwed together.
On the back side of the board receiving plate (1) described above, a plurality of convex portions (6) having convex stripes, a groove portion (5) formed between the convex portions (6), and a board receiving member A floor board supporting device comprising: a reinforcing bar having a thickness increasing from a peripheral portion of the board (1) toward the through hole (3). 2. A constant spacing between adjacent floor panels (31).
And a board receiving plate (1) for supporting the ends of these floor panels (31) , and this board receiving plate (1)
A floor plate supporting device comprising a support leg (21) capable of adjusting the height of a board, a through hole (3) provided in a substantially central portion of the board receiving plate (1) and into which the support leg (21) is screwed. And the upper surface of the board receiving plate (1), and the upper side of the through hole (3) is abutted against the side surface of the floor panel (31) placed on the board receiving plate (1). The floor panel (31) should not be obstructed by the panel (31) and be adjacent to the floor panel (31).
The protrusion (2) for maintaining a constant installation interval in one direction and the screw (15) penetrating the floor panel (31) are screwed together.
Is on the back side of the board receiving plate (1) it has a plurality of convex portions formed of convex streaks and (6), the shaft portion of the convex portion (6) the screw (15) is formed between A floor board supporting device comprising: a groove portion (5) having a groove width narrower than a diameter; and a reinforcing bar that increases in thickness from the peripheral portion of the board receiving plate (1) toward the through hole (3). 3. Constant spacing between adjacent floor panels (31)
And a board receiving plate (1) for supporting the ends of these floor panels (31) , and this board receiving plate (1)
A floor plate supporting device comprising a support leg (21) capable of adjusting the height of a board, a through hole (3) provided in a substantially central portion of the board receiving plate (1) and into which the support leg (21) is screwed. And the upper surface of the board receiving plate (1), and the upper side of the through hole (3) is abutted against the side surface of the floor panel (31) placed on the board receiving plate (1). The floor panel (31) should not be obstructed by the panel (31) and be adjacent to the floor panel (31).
The protrusion (2) for maintaining a constant installation interval in one direction and the screw (15) penetrating the floor panel (31) are screwed together.
Is on the back side of the board receiving plate (1) has a plurality of convex portions formed of convex streaks are provided in a lattice shape, the diameter of the shaft portion of the screw is formed between the convex portions (15) A floorboard supporting device comprising: a recess having a narrower width and a reinforcing bar whose thickness increases from the peripheral portion of the board receiving plate (1) toward the through hole (3). 4. A constant spacing between adjacent floor panels (31).
And a board receiving plate (1) for supporting the ends of these floor panels (31) , and this board receiving plate (1)
A floor plate supporting device comprising a support leg (21) capable of adjusting the height of a board, a through hole (3) provided in a substantially central portion of the board receiving plate (1) and into which the support leg (21) is screwed. And the upper surface of the board receiving plate (1), and the upper side of the through hole (3) is abutted against the side surface of the floor panel (31) placed on the board receiving plate (1). The floor panel (31) should not be obstructed by the panel (31) and be adjacent to the floor panel (31).
The protrusion (2) for maintaining a constant installation interval in one direction and the screw (15) penetrating the floor panel (31) are screwed together.
On the back surface side of the board receiving plate (1), a plurality of protrusions composed of convex stripes formed in a direction orthogonal to the side direction of the floor panel (31) placed on the board receiving plate (1). The screw (1) formed between the convex portion (6) and each convex portion (6).
A groove portion (5) having a groove width narrower than the diameter of the shaft portion of 5);
A floorboard supporting device comprising: a reinforcing plate having a thickness increasing from a peripheral portion of the board receiving plate (1) toward the through hole (3). 5. The floorboard supporting device according to claim 1, 2, 3 or 4, wherein the board receiving plate (1) is made of synthetic resin.