JPH0581700B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a floor panel support device that supports a floor panel on a reference floor surface by means of support legs fixed to the reference floor surface.

(Prior technology) A double floor in which many floor panels are laid above a reference floor surface such as a concrete floor, and a free space is secured between the floor panels and the reference floor surface in which cables, ventilation ducts, etc. can be placed. Structures, or raised floors, have recently become widely used.

Among these raised floors, especially those constructed in computer rooms,
Due to the large number of cables, the floor height is over 500mm. Therefore, if support legs are integrally provided at the four corners of the floor panel, the material cost is high and
Since the space under the floor is narrow, independent support legs that are separate from the floor panel are used.

When using independent support legs, first fix the support legs to the concrete floor and roughly adjust the height of the support legs, then lay the floor panels, and then check the installation status of the floor panels. At this time, it is desirable to be able to readjust the height of the support legs from above the floor panel.

Conventionally, as this type of floor panel support device, one disclosed in, for example, Japanese Utility Model Application Laid-Open No. 60-51240 is known. According to this device, a screw member serving as a support leg is interposed between a support member for mounting and supporting an edge portion of a floor panel and a vibration isolating member fixed to a reference floor surface, and the upper and lower screws of the screw member are interposed. The upper end of the screw member protruding from the support member can be rotated from above the floor panel to rotate the floor panel along with the support member in the vertical direction. can be moved to

(Problem to be Solved by the Invention) However, in the above-mentioned support device, the screw mechanism that inevitably causes play is provided at two locations above and below the support leg (screw member), and therefore, there is a problem that the play is large. Ta.

Further, when the floor panel is moved downward by a certain distance or more, the upper end of the screw member protrudes from the upper surface of the floor panel, so there is a problem that a wide adjustment range cannot be achieved.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a floor panel support device that allows the height of the support legs to be adjusted from above the floor panel, reduces backlash, and allows for a wide adjustment range. .

(Means for Solving the Problems) In order to achieve the above-mentioned object, the floor panel support device of the present invention includes a plurality of support legs erected at predetermined intervals on a reference floor surface, and In a floor panel support device, a plurality of floor panels are laid at a predetermined height from the reference floor surface by installing a panel support on each upper part and supporting the corner part of the floor panel with the panel support,
One support leg is disposed below a position where the corner portions of the plurality of floor panels gather, and the plurality of corner portions gathered on the support legs are supported by the panel receiver, The receiver includes a pedestal part that supports the corner part, and a cylindrical part that extends downward from the pedestal part.
a flange portion formed at the bottom of the cylindrical portion; a threaded portion is formed at the top of the support leg; a height adjustment member is screwed into the threaded portion so as to be movable in the vertical direction; The adjustment member has a sleeve portion into which the cylindrical portion of the panel holder is loosely fitted, and a flange portion located at a lower portion of the sleeve portion, and the flange portion formed on the cylindrical portion of the panel holder is The height adjusting member is received by the flange portion located at the lower part of the sleeve portion, the panel receiver is attached to the height adjusting member, and the height adjusting member is rotated from above the floor panel to the panel receiver. It is characterized by having an adjustment hole for operation.

(Function) When constructing a raised floor, the support legs are fixed to the standard floor surface, the height adjustment member is screwed into the threaded part at the top of the support leg, and the panel support is loosely fitted into the height adjustment member. , place the floor panel on the panel holder. Thereafter, when the height adjustment member is rotated through the adjustment hole of the panel support, the height adjustment member rotates and moves vertically along the threaded portion. At this time, since the floor panel is placed on the panel support, rotation is prevented by the floor panel, and the panel support moves only in the vertical direction along the threaded portion together with the height adjustment member. In this way, the height of the support leg can be adjusted from above the floor panel.

Furthermore, since the panel support and the height adjustment member are combined by engaging each other with a cylindrical part and a sleeve part having sufficient length, when the height adjustment member is attached to the support leg, the panel support This can help keep the cradle level. Therefore, installation and height adjustment of the floor panel can be facilitated. In addition, even if a large load is applied to the cradle part of the panel holder through the floor panel, the cylindrical part and the sleeve part have sufficient length to increase the load resistance of the pedestal part. can.

(Example) Hereinafter, an example of the present invention will be described with reference to the drawings.

1 to 4 show a first embodiment of the present invention, and FIGS. 5A to C are a perspective view and a sectional view of a floor panel used in this embodiment as seen from the top side, and a sectional view as seen from the back side. A perspective view is shown.

The free access floor 1 is constructed by laying a plurality of floor panels 2 on a reference floor surface 3 such as a concrete floor, and the support legs 4 that support the floor panels 2 on the reference floor surface 3 are constructed by laying the floor panels 2 on the reference floor surface 3. It is fixed to the reference floor surface 3 before.

The support legs 4 are connected to four floor panels 2 adjacent to each other in the center of the raised floor 1.
It is arranged below the position where four corner parts 2a of the floor panels 2 gather together, and on the wall side of the free access floor 1, it is arranged below the position where two corner parts 2a of two adjacent floor panels 2 come together. (See Figure 1).

As shown in FIG. 2, the support leg 4 is constructed by erecting a cylindrical support 6 at the center of the upper surface of a rectangular pedestal base 5, and providing a threaded portion 7 at the upper end of the support 6. has been done. A hole 5a is formed in the pedestal base 5, and the pedestal base 5 is fixed to the reference floor surface 3 by applying the adhesive on the lower surface of the pedestal base 5 to the upper surface of the base 5 from the hole 5a. . Note that it may be fixed with bolts. Further, an adjustment sleeve 8 as a height adjustment member is screwed into the threaded portion 7.

The adjustment sleeve 8 has a head 10 having a groove 10a in which a tool such as a screwdriver for rotating the adjustment sleeve 8 is engaged at the upper end of the sleeve part 9, which has a female threaded part 9a that is screwed into the threaded part 7. Fixed configuration. A flange portion 11 having an anti-rotation protrusion 11a is provided on the outer circumferential surface of the lower end of the sleeve portion 9. Further, a screw hole 10b is provided in the center of the head 10, passing through it in the axial direction. A panel receiver 12 is loosely fitted onto the outer peripheral surface of the sleeve portion 9 of the adjustment sleeve 8 configured in this manner.

As shown in FIGS. 2 to 4, the panel receiver 12 includes a cylindrical portion 13 that is loosely fitted onto the outer peripheral surface of the adjustment sleeve 8, and a cylindrical portion 13 that is provided at the upper end of the cylindrical portion 13 and that is attached to the floor panel 2. It is composed of a pedestal part 14 that supports the corner part 2a. A flange portion 15 is provided on the outer circumferential surface of the lower end of the cylindrical portion 13 and is formed with a detent recess 15 a that engages with the protrusion 11 a of the flange portion 11 . It is accepted by 11. That is, the panel receiver 12 is connected to the adjustment sleeve 8
It is attached to the threaded portion 7 at the upper end of the support leg 4 while being supported by. In addition, the pedestal part 14
A substantially cross-shaped stringer locking member 16 formed by pressing a plate material is provided on the upper surface, and an adjustment hole 17 communicating with the cylindrical portion 13 is provided in the center of the stringer locking member 16. ing. A head 10 of the adjustment sleeve 8 projects into the adjustment hole 17, as shown in FIG. Therefore,
The adjustment sleeve 8 can be rotated by inserting a tool such as a screwdriver from above the adjustment hole 17. When the adjustment sleeve 8 is rotated, the adjustment sleeve 8 moves vertically along the threaded portion 7 while rotating. At this time, since the panel holder 12 is prevented from rotating by the floor panel 2, that is, the projections provided at the four corners of the upper surface of the holder part 14
4a (see Fig. 2), a locking recess 2d (see Fig. 5C) provided on the back side of the corner portion 2a of the floor panel 2.
(see) is locked and prevented from rotating.
The threaded portion 7 does not rotate and is attached to the adjustment sleeve 8.
It will move only in the vertical direction along.

Here, since the panel receiver 12 moves together with the adjustment sleeve 8 and the panel receiver 12 does not move in the axial direction relative to the adjustment sleeve 8, the head 10 does not protrude outward from the adjustment hole 17. do not have. When you want to widen the adjustment range,
It is only necessary to set the length of the sleeve portion 9 of the adjustment sleeve 8 to be large, and the adjustment range is not narrowly limited as in the conventional case (Japanese Utility Model Publication No. 60-51240).

Further, a panel pressing member 18 is fitted into the adjustment hole 17, as shown in FIGS. 3 and 4. This panel holding member 18 is formed into a disk shape, and has a hole 18a formed in its center for inserting a bolt 19, and an annular stepped portion 18b formed on its lower surface. Bolt 19 into hole 18
When it is inserted into the screw hole 10b of the head 10 and tightened, the annular stepped portion 18b presses and fixes the corner portion 2a of the floor panel 2 onto the peripheral portion of the adjustment hole 17.

In this embodiment, the screw mechanism for adjusting the height is provided only at one location on the upper end of the support leg 4, thereby reducing the number of screw mechanisms. Since the adjusting sleeve 8, which is one member, is fastened and fixed to the floor panel 2 and the panel receiver 12 on the upper surface, it will not rotate due to vibration or the like.

Each end 16a of the stringer locking member 16 has a stringer 2 that is horizontally suspended between the upper ends of the support legs 4.
0 end is removably locked. That is, the locking protrusion 16b provided on the side surface of each end 16a
A locking hole 2 provided on the end side of the stringer 20
0a, and a locking tongue 20b provided at the edge of the stringer 20 is locked in a locking hole 16c provided on the upper surface of each end 16a (see FIG. 2). The reason why the end of the stringer 20 is removably locked to the stringer locking member 16 in this way is to allow the stringer 20 to be easily removed during underfloor work such as wiring. . As shown in FIG. 1, the stringer 20 extends along the edge of the floor panel 2 and supports the edge of the floor panel 2. Therefore, even if a heavy object such as a large computer is placed on the floor panel 2, it can be stably supported.

At the upper and lower ends of the column 6 of each support leg 4, there is a mounting bracket 21 consisting of two plate pieces 21a, 21a bent in a substantially semicircular shape so that the middle part follows the outer peripheral surface of the column 6. A flat end 22a of a reinforcing rod 22 is provided at both ends of the mounting bracket 21.
(See FIGS. 3 and 4) is attached by a tightening member 23 consisting of a combination of bolts and nuts. As shown in FIG. 1, four reinforcing rods 22 are connected to the support leg 4 located in the center of the free access floor 1. The two lower (upper) reinforcing rods 22 extend in perpendicular directions. These reinforcing rods 2
2 and the stringer 20 described above constitute a reinforcing structure that prevents the support leg 4 from swinging. Looking at this for each support leg 4 located in the center of the free access floor 1, it is reinforced in two directions by the two reinforcing rods 22 connected to the upper end of the column 6, and in two directions perpendicular to this. This means that the stringers 20 are used to reinforce the stringers 20. One end of the reinforcing rod 22 is connected to the upper end of the column 6 (lower end of the column 6) of one support leg 4, and the other end is connected to the column of the other support leg 4 installed next to one support leg 4. 6 lower end (upper end of column 6). That is, the reinforcing rods 22 are arranged diagonally between the supporting legs 4. Add this to each support leg 4
Looking between them, one reinforcing rod 22 is placed diagonally. Therefore, there is no need to get in the way of the wiring in the under-floor space, the cables can be passed through the two spaces divided by the reinforcing rods 22, and there is flexibility in wiring, and the number of parts is small, making construction easier. It is easy and can reduce costs.
Regarding the reinforcement structure of the support legs 4,
A system disclosed in Japanese Patent No. 61-23560 is known, in which one of the reinforcing rods horizontally suspended between the upper ends of the support legs is bent into a substantially inverted trapezoidal shape.
The structure is such that the middle part is fixed by welding or other means to the other reinforcing rod that is suspended horizontally between the lower ends of the support legs.
For this reason, the reinforcing rods get in the way of wiring, and the cables can only be passed through the space above the middle part of one of the reinforcing rods, further posing the problem of troublesome construction and high costs. In this embodiment, as described above, these conventional problems can also be solved.

5A to 5C show the floor panel 2. FIG. In the case of a raised floor constructed in a computer room, in addition to using a cut panel at the border, the floor panel may be cut to create an opening for cables to pass through. Therefore, in the floor panel 2 of this embodiment, even if the upper surface plate 27 and the lower surface plate 28 constituting the floor panel 2 are cut at appropriate points,
In order to prevent peeling, a large number of hemispherical recesses 28a are arranged in the bottom plate 28 in alignment along the vertical and horizontal sides of the floor panel 2 (see FIG. 5C). The bottom (top) is joined to the top plate 27 by spot welding or the like. An inorganic filler 30 is provided in the continuous filling portion 29 formed between the upper plate 27 and the lower plate 28 and between the recesses 28a.
is filled. Further, the floor panel 2 has a square shape as a whole, and each corner portion 2a of the floor panel 2 has a square shape as a whole.
A quadrant-shaped stepped portion 2b that engages with the panel holding member 18 and a cutout portion 2c that forms the adjustment hole 17 are provided in the panel holding member 18. Moreover, on the back side of each corner part 2a, as shown in FIG. 5C, there are a plurality of (four)
A locking recess 2d is provided, and the corner portion 2
When a is placed on the panel holder 12, the locking recess 2
d is engaged with the protrusion 14a (see FIG. 2) to prevent rotation of the panel receiver 11 during height adjustment.
In the center of the free access floor 1, the four corner parts 2a gather in the panel receiver 12, so the locking recess 2d at the position surrounded by the two-dot chain line D in FIG. 5C locks with the protrusion 14a. , a locking recess 2d at a position surrounded by a two-dot chain line E on the wall side, and a locking recess 2d at a position surrounded by a two-dot chain line F at the corner.
is engaged with the protrusion 14a. Note that the locking recesses 2d are provided not only on the back surface side of the corner portion 2a but also on the side portions of the floor panel 2.

In addition, 13a in FIG. 4 is a reinforcing rib of the pedestal part 14 provided on the outer peripheral surface of the cylindrical part 13.

Now, based on FIGS. 1 to 4, support leg 4
This section explains how to adjust the height. First, the pedestal base 5 is fixed at a predetermined position on the reference floor surface 3 with adhesive. Next, after roughly adjusting the height by rotating the adjustment sleeve 8, the panel receiver 12 is loosely fitted into the adjustment sleeve 8, and the end of the stringer 20 is locked to the stringer locking member 16. Thereafter, the floor panel 2 is laid so that its peripheral portion is supported by the stringer 20 and the corner portion 2a is supported by the pedestal portion 13. After that, while looking at the flat construction status of the entire raised floor 1,
The height is readjusted by inserting a tool such as a screwdriver into the adjustment hole 17 from above the floor panel 2 and rotating the adjustment sleeve 8. At this time, the panel receiver 12 does not rotate because it is prevented from rotating by the engagement between the protrusion 14a and the engagement recess 2d, but moves in the vertical direction together with the adjustment sleeve 8. When this readjustment work is completed, the panel holding member 18 is fitted into the adjustment hole 17, and the bolt 19 is inserted through the hole 18a and screwed into the screw hole 10b. This results in
The floor panel 2 is prevented from rising, and the adjustment hole 17 is closed. Note that the partition plate can also be fixed onto the panel receiver 12 with bolts 19.

FIG. 6 shows another embodiment of the support leg 4.
In other embodiments, the support 6 is omitted and the threaded portion 7 is
is directly welded and fixed to the pedestal base 5, and the pedestal part 14 of the panel holder 12 is connected to the upper surface part 141 and the lower surface part 1.
The only difference from the first embodiment described above is that the structure is divided into 42 sections, and the other points are the same.

The upper surface part 141 of the pedestal part 14 is formed by press-molding a plate material and integrally forms the stringer locking member 16 therein. The lower surface part 142 is the upper surface part 14
1, and the lower end portion of the lower surface portion 142 is fixed to the cylindrical portion 13.

FIG. 7 shows an example of construction of a raised floor 1 using the support legs 4 shown in FIG. The height of the legs 4 can be adjusted. Note that since the height of the support leg 4 is low, the reinforcing rod 22 is omitted.

FIG. 8 shows an example in which a sound insulating barrier 31 is attached to the support leg 4. The sound insulation barrier 31 is constructed by filling a sound absorbing material 33 between two sound insulation plates 32 and 32, and arranging a receiving material 34 bent in a substantially U-shaped cross section at the lower end of the sound insulation plate 32. The supporting leg 4 is mounted between two sound insulating plates 32, 32. The lower end of the sound insulation board 32 is a receiving material 34
The sound insulating plate 32 is superimposed on the vertical plate portion 34a, and its lower end can be slid relative to the vertical plate portion 34a, and the upper end of the sound insulating plate 32 is provided with a locking hole 32a. The stopper hole 32a is engaged with the mounting hook 35 of the pedestal part 14, and the sound insulating plate 3
2 is suspended from support legs 4. Therefore, as the height of the support leg 4 is adjusted, the sound insulation plates 32, 32 can be moved in the vertical direction. That is,
The sound insulation barrier 31 has an adjustable structure that can correspond to the height adjustment of the support leg 4. The lower limit of the height adjustment is until the lower end of the sound insulating plate 32 comes into contact with the bottom plate part 34b of the receiving member 34, and the upper limit is until the lower end of the sound insulating plate 32 comes off the vertical plate part 34a of the receiving member 34. It is.

FIG. 9 is a diagram corresponding to FIG. 2, and shows another embodiment of the floor panel support device of the present invention. In FIG. 9, members/elements given the same reference numerals as those in FIG. 2 indicate the same members/elements. A feature of this embodiment is that an adjustment bolt 8' is used as the height adjustment member, and in conjunction with this, the threaded portion 7 of the support column 6 is made female threaded. The rest of the configuration is the same as that in FIG. 2.

(Effects of the Invention) As explained above, according to the floor panel support device of the present invention, the height of the support leg can be adjusted by rotating the height adjustment member from above the floor panel. After floor panels are installed, they can be readjusted and finished easily. Further, the screw mechanism for adjusting the height is located only at one location at the upper end of the support leg, which can reduce wobbling. Furthermore, by using a height adjustment member and loosely fitting the panel support into the height adjustment member, the panel support moves vertically together with the height adjustment member, so that the head of the height adjustment member is placed above the floor panel. There is no protrusion, and the adjustment range can be expanded by setting the length of the height adjustment member to be large. Furthermore, since the height adjustment is performed at the assembly of the floor panels, adjacent panels can be adjusted to the same level at the same time, making adjustment easy.

[Brief explanation of the drawing]

FIG. 1 is a partial perspective view of a raised floor using the floor panel support device of the present invention, FIG. 2 is an exploded perspective view of the support legs of FIG. FIG. 4 is a sectional view of the upper end portion of the support leg when the floor panel is placed, FIG. 5A is a perspective view of the floor panel, and FIG. B-B in Figure 7 A
5C is a perspective view of the floor panel seen from the back side, FIG. 6 is an exploded perspective view showing another embodiment of the support leg, and FIG. 7 is shown in FIG. 8. FIG. 8 is a perspective view of a part of a free access floor using support legs. FIG. 8 is a perspective view showing an example in which a sound insulation barrier is attached to the support legs. FIG. 9 is an exploded view of another embodiment of the support leg of the present invention. FIG. DESCRIPTION OF SYMBOLS 1...Free access floor, 2...Floor panel, 3...Reference floor surface, 4...Support leg, 7...Screw part, 8...Height adjustment member (adjustment sleeve), 9
...Sleeve part, 11...Flange part, 11a...
... protrusion, 15 ... flange portion, 15a ... anti-rotation recess, 12 ... panel support, 17 ... adjustment hole.

Claims (1)

[Scope of Claims] 1. A plurality of support legs are erected at predetermined intervals on a reference floor surface, a panel support is attached to the upper part of each of the support legs, and the corner portion of the floor panel is supported by the panel support. In a floor panel support device for laying a plurality of floor panels at a predetermined height from the reference floor surface, one of the support legs is arranged below a position where corner portions of the plurality of floor panels gather. At the same time, a plurality of corner portions gathered on the support legs are supported by the panel holder, and the panel holder includes a pedestal portion that supports the corner portions and a pedestal portion that extends downward from the pedestal portion. It has a cylindrical part and a flange part formed at the lower part of the cylindrical part, a threaded part is formed at the upper part of the support leg, and a height adjustment member is screwed into the threaded part so as to be movable in the vertical direction. The height adjusting member has a sleeve portion into which the cylindrical portion of the panel holder is fitted loosely, and a flange portion located at a lower part of the sleeve portion, and the height adjusting member is formed on the cylindrical portion of the panel holder. receiving the flange portion located at a lower part of the sleeve portion of the height adjusting member;
A support device for a floor panel, characterized in that the panel support is attached to the height adjustment member, and an adjustment hole for rotating the height adjustment member from above the floor panel is formed in the panel support. 2 forming a protrusion on one side of the flange portion and a recess that engages with the protrusion on the other side;
2. The floor panel support device according to claim 1, wherein a plurality of engaging portions for locking corner portions of the floor panel are formed on the cradle of the panel holder.