JP2839398B2 - Floor panel support device and floor panel construction method using the same - 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 panel support apparatus and a floor panel construction method using the apparatus.

[0002]

2. Description of the Related Art For example, in the construction of interior floors of various offices and conference rooms, a support device having a height adjusting mechanism is arranged on a floor base material such as a concrete slab, and a floor is provided between upper surfaces of the support devices. The underfloor space of a certain height is secured between the floor base material and the floor panel by installing the panel, and the underfloor space is made as effective as possible by storing electric wiring and computer lines in this underfloor space. It may be used to enhance the livability and functionality of offices and the like.

FIG. 14 shows a conventional example of a floor panel support device used for such floor construction. The support device 32 includes a receiving plate 33 that supports the floor panel from below, a substrate 34 placed on a floor base material, and a supporting column 35 that vertically connects the receiving plate 33 and the substrate 34. Have. The support column 35 is configured by screwing a screw shaft 37 in the same direction from the upper end of the vertical cylinder 36,
Thus, a height adjusting mechanism 38 is provided in the middle of the support column 35.

Reference numeral 39 denotes a tightening bolt, which is screwed through a nut 40 fixed to the upper end of the cylindrical body 36 in a radially inward direction, and conventionally, after adjusting the height of the floor panel.
By tightening 39 with a tool, the relative rotation between the screw shaft 37 and the cylinder 36 was restricted.

[0005]

However, in the above-described conventional support device 32, when the height of the floor panel is adjusted by rotating the cylinder 36 and the screw shaft 37 relative to each other, the tightening bolt 39 is moved by the operator. In some cases, the tool may face the opposite side from the user's hand, so that the tool cannot be engaged with the fastening bolt 39, and the height adjustment must be performed again.

Further, since each floor panel is supported at least at four corners, a large number of supporting devices 32 are required to lay all the floor panels. Adjusting the height itself requires a great deal of construction work, and with the conventional configuration in which the screw shaft 37 is tightened from the radial direction with the tightening bolt 39, the tightening bolt 39 is loosened due to vibrations after construction, and the floor panel In some cases, rattling occurred.

In view of the above circumstances, the present invention provides a floor panel support device that can regulate the relative rotation between a screw shaft and a cylindrical body with extremely simple operation, and thereby provides a floor panel support device for interior floor construction. The purpose is to significantly reduce labor.

[0008]

In order to achieve the above object,
The present invention has taken the following technical measures. That is, according to the first aspect of the present invention, the receiving plate 3 supporting the floor panel 2 from below is provided.
And a substrate 5 placed on the floor substrate 4, and a supporting column 6 for vertically connecting the receiving plate 3 and the substrate 5 to each other. In a floor panel support device provided with a height adjusting mechanism 10 configured by screwing a screw shaft 9 into one side of the body 8 in the same direction, a portion of the screw shaft 9 that does not screw with the cylinder 8 is A tightening body that is externally fitted to and screwed into the portion
A screw shaft 12 is provided between the tightening body 12 and the cylindrical body 8 and is pressed against the outer periphery of the screw shaft 9 with the tightening of the tightening body 12 on the cylindrical body 8 side. only set a stopper for restricting the relative rotation between the 9 and the cylindrical body 8, before Symbol stopper is made of a resin of the ring body 13 loosely fitted on the outer periphery of the screw shaft 9, the ring member 13, the axial end as the outer diameter d ₁ is smaller than the tubular body 8 or the inlet diameter D ₁ of the screw hole of the fastening member 12 corresponding thereto, characterized by being formed on an outer peripheral surface tapered toward the axial end And

According to a second aspect of the present invention, the stopper comprises:
Made of resinous ring body 13 loosely fitted on the outer periphery of the screw shaft 9, the ring member 13, the axial ends of the outer diameter d _1, d ₂ of the tubular body 8 and the clamping member 12 corresponding to these screws Hole entrance diameter D ₁ , D ₂
It is characterized in that the outer peripheral surface is tapered toward both ends in the axial direction so as to be smaller. Claim 3
According to the invention described above, the stopper comprises a metal washer 20 that is loosely fitted on the outer periphery of the screw shaft 9, and the washer 20 is a truncated conical cylinder that inclines in a radially inward direction from the axial base end toward the tip end. When the fastening body 12 is fastened to the cylinder 8 side, the tip of the fastening body 12 is engaged with the outer periphery of the screw shaft 9. A protrusion 21 is formed to restrict the deformation of the outside in the radial direction.

According to a fourth aspect of the present invention, the stopper comprises a cylindrical holding body 22 coaxially fixed to the opposite side of the cylindrical body 8 or the tightening body 12, and the holding body 22 is A plurality of holding pieces 24 formed in a tapered outer peripheral surface and arranged in the circumferential direction through cuts 23 extending in the axial direction from the tip are provided, and the clamping body 12 or the cylindrical body 8 having no holding body 22 is provided. When the fastening body 12 is fastened to the cylindrical body 8 side,
A tapered inner surface 25 is formed which is in contact with the outer periphery of 24 and presses them against the screw shaft 9 side.

Further, the invention according to claim 5 is characterized in that
By arranging support devices 1 having a height adjusting mechanism 10 thereon, and laying a floor panel 2 between the upper surfaces of the support devices 1,
In the floor panel construction method in which a fixed underfloor space 30 is secured between the floor base material 4 and the floor panel 2, the support is provided via the relative rotation of the screw shaft 9 and the cylinder 8 of the height adjustment mechanism 10. After adjusting the height and level of floor panel 2 on device 1,
A tightening member (12) according to claim 1, 2, 3 or 4 is fastened to the cylinder (8) side, thereby locking between the screw shaft (9) and the cylinder (8) via each stopper according to the above claim. I do.

[0012]

According to the present invention, various stoppers provided between the tightening body 12 and the cylindrical body 8 are pressed against the outer periphery of the screw shaft 9 with the tightening of the tightening body 12 to the cylindrical body 8 side. The relative rotation between the cylinder 9 and the cylinder 8 is regulated. Therefore, the cylinder 8
Regardless of the relative angle between the and the screw shaft 9, the tightening body 12 can always be rotated under the same working condition. Further, in the present invention, the tip end of the resin ring 13 enters the screw holes 7 and 14 of the cylinder 8 or the tightening body 12 and presses around the screw shaft 9 to regulate the rotation thereof.

According to the second aspect of the present invention, the ring 13
Are inserted into the screw holes 7 and 14 of the cylindrical body 8 and the tightening body 12, so that the area for crimping to the screw shaft 9 is increased. According to the third aspect of the present invention, the metallic washer 20 is used.
Of the screw shaft 9 protrudes from the outer periphery of the screw shaft 9 to regulate the relative rotation of the screw shaft 9.

According to the fourth aspect of the present invention, each holding piece 24 is pressed against the outer periphery of the screw shaft 9 by the tapered inner surface 25, and
Regulate the rotation of In the invention according to claim 5 , claim 1 is
The supporting device 1 described in any one of (1) to ( 4) is adopted, and even if the screw shaft 9 and the cylinder 8 are relatively rotated during height adjustment,
Since there is no influence on the turning operation of the twelve, there is no need to perform a return operation as in the related art, and the locking operation of the screw shaft 9 is simplified.

[0015]

Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show a first embodiment of the present invention. In the figure, reference numeral 1 denotes a support device for the floor panel. The support device 1 is provided on an L-shaped receiving plate 3 for supporting the floor panel 2 from below and a floor base material 4 such as a concrete slab. The substrate 5 to be placed, the lower surface of the receiving plate 3 and the substrate
5 and a supporting column 6 for vertically connecting between the upper surfaces.

The support column 6 includes a steel cylinder 8 having a screw hole 7 therein, and a screw shaft 9 screwed into the screw hole 7 from the upper end of the cylinder 8. In the middle of 6,
The relative rotation between the screw shaft 9 and the cylinder 8 causes the receiving plate 3 and the substrate 5
A height adjustment mechanism 10 for adjusting the height between them is provided.
The shape of the receiving plate 3 depends on which part of the floor panel 2 is supported. As shown in FIG. 13, the supporting device 1 for supporting the joint of the floor panel 2 has a flat receiving plate 3. doing. Reference numeral 11 denotes a cushion rubber attached to the lower surface of the substrate 5.

Reference numeral 12 denotes a tightening body, which is a cylindrical body on the screw shaft 9.
8 is screwed by being externally fitted to a portion that is not screwed, that is, a portion between the upper end of the cylindrical body 8 and the lower surface of the receiving plate 3, and as shown in FIG. Uses a larger diameter knurl. Reference numeral 13 denotes a ring body (stopper) for restricting rotation of the screw shaft 9 in accordance with the tightening of the tightening body 12 to the cylindrical body 8 side, and is made of a resin material such as 6-6 nylon. This ring body 13 is attached by caulking its base end into a circumferential recess 15 formed by widening the lower part of the screw hole 14 of the tightening body 12 and is slightly larger than the outer diameter of the screw shaft 9. It has a large inner diameter and is loosely fitted to the screw shaft 9 when the tightening body 12 is not tightened.

A tapered inner surface 16 whose diameter gradually increases toward the upper end is formed at the entrance of the screw hole 7 of the cylindrical body 8, while the ring body 13 has an outer diameter d _{1 at the} lower end. so they become less than the inlet diameter D ₁ of the tapered inner surface 16, it is formed in the outer peripheral surface tapered toward the lower axial end. Therefore, as shown in FIGS. 2 (a) and 2 (b), the fastening
, The ring body 13 is compressed by the tapered inner surface 16 and bites into the screw thread on the outer peripheral portion of the screw shaft 9 to lock the relative rotation between the screw shaft 9 and the cylinder 8.

As shown in FIG. 3, the cylinder 8 and the screw shaft 9
The support column 6 may be configured by reversing the relationship with the upper and lower sides, and in this case, the tightening body 12 tightens the cylindrical body 8 from below. Further, as shown in FIG. 4, a mounting nut 17 is welded to the upper end of the cylindrical body 8, and the ring body 13 is fixed upward in a circumferential recess 18 formed on the upper surface side of the mounting nut 17, thereby fastening the tightening body.
A tapered inner surface 19 corresponding to the ring body 13 may be provided on the lower side of the 12. The cylinder 8 shown in FIG. 4 has a nut 17 screwed to the screw shaft 9 at the upper end.
8 There is no internal thread on the inside of itself.

FIG. 5 shows a second embodiment of the present invention. This embodiment is different from the first embodiment in that the ring 13 is not fixed to either the cylinder 8 or the tightening body 12, The point is that the screw shaft 9 can be locked in a wider range at both axial ends of the ring body 13. That is, in this embodiment, tapered inner surfaces 16 and 19 are provided on both the lower side of the tightening body 12 and the upper side of the mounting nut 17 of the cylindrical body 8, and the ring body 13 has an outer diameter d at both axial ends. _The outer peripheral surfaces are tapered toward both ends in the axial direction so that ₁ and d ₂ are smaller than the entrance diameters D ₁ and D ₂ of the corresponding tapered inner surfaces 16 and 19.

FIGS. 6 and 7 show a third embodiment of the present invention. In this embodiment, a metal washer 20 is employed as a stopper for restricting the rotation of the screw shaft 9. The washer 20 is formed in a truncated conical cylindrical shape that inclines in a radially inward direction from the base end in the axial direction toward the tip, and has a fastening body.
The base end is hung on a peripheral flange (projection) 21 formed on the lower radial surface of the base 12 so that the base end is not deformed in the radial direction and is fixed to the fastening body 12 side. I have.

The inner diameter of the tip of the washer 20 is slightly larger than the outer diameter of the screw shaft 9 so that the washer 20 can be loosely fitted to the screw shaft 9 when the tightening body 12 is not tightened. The tip of the washer 20 has a sharp edge in the radial direction. Therefore, as shown in FIGS.
When the screw 12 is rotated and tightened toward the cylinder 8, the washer 20, whose base end is restricted in deformation, protrudes the tip of the washer 20 to the outer periphery of the screw shaft 9, whereby the relative distance between the screw shaft 9 and the cylinder 8 is increased. The rotation is locked.

In this embodiment, as shown in FIGS. 3 and 4 in the first embodiment, the vertical relationship between the cylindrical body 8 of the support column 6 and the screw shaft 9 may be reversed. Needless to say, the washer 20 may be attached to the cylinder 8 side. Next, FIGS. 8 to 11 show a fourth embodiment of the present invention. In the figure, reference numeral 22 denotes a holding body integrally formed at the upper end of the cylindrical body 8, and in the present embodiment, the relative rotation between the screw shaft 9 and the cylindrical body 8 is locked by the holding body 22.

That is, the holding body 22 is formed by tapering the outer peripheral surface of the upper end portion of the cylindrical body 8, and is provided with four circumferentially arranged cuts 23 extending in the axial direction from the front end. A holding piece 24 is provided. On the other hand, a tapered inner surface 25 whose diameter gradually increases toward the lower end is formed on the lower side of the tightening body 12, that is, on the side opposite to the cylindrical body 8. When tightening to the side, this tapered inner surface 25
Abuts against the outer periphery of each holding piece 24 of the holding body 22, and presses them against the screw shaft 9 side, whereby the relative rotation between the screw shaft 9 and the cylindrical body 8 is regulated.

The fastening body 12 according to the present embodiment includes four projections 26 integrally projecting radially outward from the upper outer periphery, so that the fastening body 12 can be easily turned by hand. And this protruding piece 26
Can be tightened more strongly by hammering from the side with a hammer or the like. As shown in FIG. 12, a spacer 27 made of rubber or the like may be interposed on the inner surface of each holding piece 24. In this case, the relative rotation between the screw shaft 9 and the cylindrical body 8 can be more reliably achieved. Can be locked. Further, the entire holding body 22 is formed of a tapered cylindrical body made of a hard plastic or the like separate from the cylindrical body 8, and the separately formed holding body 22 is coaxially fixed to the upper end of the cylindrical body 8. It may be.

In this embodiment as well, the vertical relationship between the cylindrical body 8 and the screw shaft 9 may be reversed with respect to the support column 6, and the holding body 22 is formed on the fastening body 12 side. And
Further, a tapered inner surface 25 may be provided on the cylindrical body 8 side. FIG. 13 shows a construction procedure in the case where floor construction is performed using the above-described floor panel support device 1.

In this embodiment, first, a supporting device A for supporting an end portion is fixed to a wall of a floor base material 4, the device is set at a predetermined height and locked by a tightening body 12, and then a fixing device A Support device B
Is mounted on the middle part of the floor base material 4, and the floor panel 2 is erected between the receiving plates 3 of the supporting devices A and B. Thereafter, the screw shaft 9 and the cylindrical body 8 of the supporting device B for the joint portion are relatively rotated, so that the floor panel 2 is formed using a water thread or a bubble level.
After adjusting the height and level of the support, the support device B for the joint
The tightening body 12 is tightened and the screw shaft is
Lock 9

Thereafter, as shown by the phantom line in FIG. 13, the other floor panel 2 is connected to the supporting device B for the joint having the determined height.
And a supporting device C for another joint portion newly fixed on the floor base material 4 so as to adjust the height and lock the screw shaft 9 only for the newly provided supporting device C. The floor panels 2 may be sequentially installed indoors.

In FIG. 13, reference numeral 28 denotes an outlet for electric wiring, and 29 denotes an electric cord.
29 is an underfloor space defined between floor panel 2 and floor base material 4.
Housed within 30.

[0030]

According to the present invention, the tightening body 12 can always be operated under the same condition irrespective of the relative angle between the cylinder 8 and the screw shaft 9, so that the height once set can be changed. The screw shaft 9 and the cylindrical body 8 can be easily locked without any inconvenience, and the labor for installing the floor panel 2 can be greatly reduced. In addition, since the rotation of the screw shaft 9 is restricted by the resin ring 13, the screw shaft 9 is locked after locking.
The screw shaft 9 can be stably locked without loosening.

According to the second aspect of the present invention, the ring 13
Since the crimping area of the screw shaft 9 to the screw shaft 9 is wider, the screw shaft 9 can be locked in a more stable state. According to the third aspect of the present invention, the rotation of the screw shaft 9 is regulated by protruding the tip of the washer 20 against the outer periphery of the screw shaft 9, so that the screw shaft 9 can be locked easily and reliably.

According to the fourth aspect of the present invention, the screw shaft 9 is locked by pressing the holding body 22 formed on the cylindrical body 8 or the like around the outer periphery of the screw shaft 9. Can be made as wide as possible, and the screw shaft 9 can be securely locked. According to the fifth aspect of the present invention, the tightening body 12 can be easily operated even after the height is adjusted by relatively rotating the screw shaft 9 and the cylindrical body 8, so that the floor construction can be performed easily. It is possible to greatly reduce the time and labor required for construction.

[Brief description of the drawings]

FIG. 1 is a front view of a floor panel support device according to a first embodiment.

FIGS. 2A and 2B are enlarged cross-sectional views of a main part of the apparatus, in which FIG. 2A shows a state before tightening, and FIG.

FIG. 3 is a front view showing a modification of the apparatus.

FIG. 4 is an enlarged sectional view of a main part showing a modification of the fastening body.

FIG. 5 is an enlarged sectional view of a main part of a floor panel support device according to a second embodiment.

FIG. 6 is a front view of a floor panel support device according to a third embodiment.

FIG. 7 is an enlarged sectional view of a main part of the same device, in which (a) shows a state before tightening and (b) shows a state after tightening.

FIG. 8 is a front view of a floor panel support device according to a fourth embodiment.

FIG. 9 is an enlarged sectional view of a main part of the device.

FIG. 10 is a perspective view of a holding body.

FIG. 11 is a plan view of a fastening body.

FIG. 12 is an enlarged sectional view of a main part showing a modification of the holding body.

FIG. 13 is a longitudinal sectional view of the underfloor structure.

FIG. 14 is a front view of a conventional floor panel support device.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Support apparatus 2 Floor panel 3 Receiving plate 4 Floor base material 5 Substrate 6 Support pillar 8 Cylindrical body 9 Screw shaft 10 Height adjustment mechanism 12 Fastening body 13 Ring body (stopper) 20 Washer (stopper) 21 Projection (flange) 22 Clamping body (stopper) 23 Notch 24 Clamping piece 25 Tapered inner surface d ₁ Outer diameter d ₂ Outer diameter D ₁ Inlet diameter D ₂ Inlet diameter

Claims (5)

(57) [Claims] 1. A receiving plate (3) for supporting a floor panel (2) from below.
And the substrate (5) placed on the floor substrate (4) and its receiving plate
(3) and a supporting column (6) for connecting the substrate (5) in the vertical direction, and a screw shaft (1) is provided on one side of the vertical cylinder (8) in the middle of the supporting column (6). Height adjustment mechanism consisting of screwing 9) in the same direction
In the floor panel support device provided with (10), a tightening body (12) that is externally fitted to and screwed to the portion of the screw shaft (9) that is not screwed with the cylindrical body (8). Provided between the tightening body (12) and the cylindrical body (8), on the outer periphery of the screw shaft (9) with the tightening of the tightening body (12) toward the cylindrical body (8). the screw shaft by being pressed (9) a tubular member (8) setting a stopper for restricting the relative rotation between only the stopper, the screw shaft of the resinous loosely fitted to the outer periphery (9)
A ring body (13), the ring body (13) having one axial end.
Outer diameter (d ₁ ) of the corresponding cylinder (8) or tightening body (12)
Make sure that the length in the axial direction is smaller than the inlet diameter (D ₁ ) of the screw hole.
An apparatus for supporting a floor panel, wherein an outer peripheral surface is tapered toward an end . 2. A receiving plate (3) for supporting a floor panel (2) from below.
And the substrate (5) placed on the floor substrate (4) and its receiving plate
(3) and a supporting column (6) for connecting vertically between the substrate (5).
In the middle of the support column (6), one side of a vertical cylinder (8)
Height adjustment mechanism with screw shaft (9) screwed into the same direction
In the floor panel support device provided with (10), a portion of the screw shaft (9) that does not engage with the cylindrical body (8).
A fastening body (12) which is externally fitted to and screwed into the portion,
Between the attachment (12) and the cylinder (8), the cylinder of the fastening body (12)
Pressing against the outer periphery of the screw shaft (9) with the tightening to the body (8) side
The relative pressure between the screw shaft (9) and the cylinder (8)
A stopper for restricting rotation is provided, and the stopper is made of a resin material that is loosely fitted around the outer periphery of the screw shaft (9).
A ring body (13), the ring body (13) having two axial ends.
The outer diameters (d ₁ ) and (d ₂ ) of the cylinder (8) and the tightening body correspond to these.
(12) so that it is smaller than the inlet diameter (D ₁ ) (D ₂ ) of the screw hole
The outer peripheral surface is tapered toward both ends in the axial direction.
Support device of the floor panels characterized in that there. 3. A receiving plate (3) for supporting a floor panel (2) from below.
And the substrate (5) placed on the floor substrate (4) and its receiving plate
(3) and a supporting column (6) for connecting vertically between the substrate (5).
In the middle of the support column (6), one side of a vertical cylinder (8)
Height adjustment mechanism with screw shaft (9) screwed into the same direction
In the floor panel support device provided with (10), a portion of the screw shaft (9) that does not engage with the cylindrical body (8).
A fastening body (12) which is externally fitted to and screwed into the portion,
Between the attachment (12) and the cylinder (8), the cylinder of the fastening body (12)
Pressing against the outer periphery of the screw shaft (9) with the tightening to the body (8) side
The relative pressure between the screw shaft (9) and the cylinder (8)
A stopper for restricting rotation is provided, and the stopper is made of a metallic material loosely fitted around the outer periphery of the screw shaft (9).
A washer (20), the washer (20) being axially proximal end
Truncated conical cylinder that slopes radially inward from
When tightening the fastening body (12) to the cylinder (8) side.
So that the tip of the tightening body is engaged with the outer periphery of the screw shaft (9).
(12) or the washer (20) on the radial surface of the cylindrical body (8).
A protrusion (21) is formed to regulate the deformation of the
Support device of the floor panels characterized by that. 4. A receiving plate (3) for supporting a floor panel (2) from below.
And the substrate (5) placed on the floor substrate (4) and its receiving plate
(3) and a supporting column (6) for connecting vertically between the substrate (5).
In the middle of the support column (6), one side of a vertical cylinder (8)
Height adjustment mechanism with screw shaft (9) screwed into the same direction
In the floor panel support device provided with (10), a portion of the screw shaft (9) that does not engage with the cylindrical body (8).
A fastening body (12) which is externally fitted to and screwed into the portion,
Between the attachment (12) and the cylinder (8), the cylinder of the fastening body (12)
Pressing against the outer periphery of the screw shaft (9) with the tightening to the body (8) side
The relative pressure between the screw shaft (9) and the cylinder (8)
A stopper for restricting rotation is provided, and the stopper is provided on the opposite side of the cylinder (8) or the tightening body (12).
It consists of a cylindrical holding body (22) fixed coaxially,
The body (22) is formed in a tapered outer peripheral surface and has a tapered end.
Multiple circumferentially arranged through notches (23) extending in the axial direction
With a clamping piece (24), and without the clamping body (22).
On the opposite side of the attachment (12) or cylinder (8), the cylinder of the fastening body (12)
Abuts on the outer periphery of each clamping piece (24) when tightening to body (8) side
Then, the tapered inner surface (25) that clamps them to the screw shaft (9) side is
Support device of the floor panels you characterized in that it is formed. 5. A height adjusting mechanism (10) is provided on a floor base material (4).
Support devices (1) are arranged in a row, and between the upper surfaces of the support devices (1).
By installing the floor panel (2), the floor base material (4) and the floor
Ensure a certain level of underfloor space (30) between panels (2)
In the method for constructing a floor panel, the relative height between the screw shaft (9) of the height adjusting mechanism (10) and the cylindrical body (8) is adjusted.
The height of the floor panel (2) on the support device (1) via rotation and
After adjusting the horizontality, the tightening according to claim 1, 2, 3 or 4.
By attaching the attachment (12) to the cylinder (8) side,
Between the screw shaft (9) and the cylinder (8) through each stopper
The method according to claim 1, 2, 3, or 4, wherein
Floor panel construction method using the supporting device of the above.