JP2554781Y2 - 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 plate supporting device for supporting a finished floor plate which is stretched as a double floor on a structural floor of a concrete building or the like.

[0002]

2. Description of the Related Art Conventionally, when a double floor is formed on a structural floor of a concrete structure or the like, a joist, a large lumber, or the like is laid on the structural floor, and a finished floor plate is placed thereon. Such a double floor forming method requires a skilled worker because the construction is complicated and it is difficult to ensure the horizontality of the finished floor panel.

[0003] In order to solve the above-mentioned drawbacks, a floor plate which directly supports a finished floor plate by a pedestal without a joist or large pulling material laid on a structural floor so that a double floor can be constructed even by a skilled worker. A support device, for example, a floor plate support device as described in Japanese Utility Model Publication No. 60-6107 has been proposed. This conventional floor panel support device will be described with reference to FIG.

FIG. 12 is a sectional view of a conventional floor panel supporting apparatus. The conventional floor panel supporting apparatus A internally includes an adjusting male screw cylinder 101 having upper and lower male screws in opposite directions, and a female screw hole 102a screwed into an upper male screw 101a of the adjusting male screw cylinder 101. Floor receiving plate 102 and female screw hole 103 screwed with lower male screw 101b of adjusting male screw cylinder 101
a.

A hexagonal engagement hole 101c into which a square bar wrench is inserted is formed in the upper part of the inner surface of the adjusting male screw cylinder 101, and a pin insertion hole 101d into which an L-shaped detent pin 104 is inserted is formed at the upper end of the cylinder. Had been drilled. The floor plate receiving plate 102 is provided with several screw holes 102b, and the finished floor plate 105 to be mounted thereon is fixed by screws 106. A nail hole 103b is formed in the center of the circular base 103, and is fixed on the structural floor 107 using concrete nails 108.

The method of using the conventional floor panel support device A is as follows.
First, a mounting hole 105a of the floor panel support device A is formed in a required portion of the finished floor panel 105, and the floor panel receiving plate 102 is fixed to the back surface of the mounting hole 105a with a screw 106. Then, a female screw hole 102a of the floor panel receiving plate 102 is formed. The upper male screw 101a of the adjusting male screw cylinder 101 is screwed into the
The round board 103 was screwed into the lower male screw 101b of the above, and the floor board support device A was attached to the finished floor board 105. At this time, the support height H of the finished floor panel 105 of the floor panel support device A was adjusted by expanding and contracting the circular base 103 appropriately.

[0007] A finished floorboard 105 to which the height-adjusted floorboard support device A is mounted is laid at a predetermined location on the structural floor 107, and a concrete nail 108 is circularly formed from above the finished floorboard 105 by using a mounting hole 105 a. The finished floor plate 105 and the floor plate support device A were fixed by being driven into the nail holes 103b of the base plate 103. This fixed finished floorboard 105
When unevenness occurs, the square bar wrench is inserted into the engaging hole 101c of the adjusting male screw cylinder 101 from the mounting hole 105a, and the adjusting male screw cylinder 101 is rotated as appropriate, thereby supporting the finished floor plate 105. Had been fine-tuned.

After that, the L-shaped locking pin 104 is inserted into the pin insertion hole 101d at the upper end of the adjusting male screw cylinder 101,
The stopper plug 109 is inserted into the mounting hole 105a to press the upper side 104a of the detent pin 104, and the detent pin 104 is pressed.
In addition, the rotation of the adjusting male screw cylinder 101 is prevented.

[0009]

However, the conventional floor panel supporting device A is mounted on the finishing floor panel 105 and then mounted on the structural floor 10.
7, it is difficult to match the black mark on the structural floor 107, and the center of the floor panel support device A is displaced.

The support height H of the finished floor plate 105 is adjusted by expanding and contracting the circular base 103 appropriately beforehand. Because of the difficulty, adjustment of unevenness after fixing the finished floor panel 105 was indispensable. In addition, the adjusting male screw cylinder 101 has to be rotated while the load of the finished floor plate 105 is being loaded, and a large amount of force is required, so that the height adjustment is not easy.

The finished floor plate 105 is fixed to the floor plate receiving plate 102 by screws. However, when the screw 106 is loosened due to vibration or the like, it cannot be re-tightened. And the rotation of the floor plate receiving plate 102 causes the support height H to be out of order and the finished floor plate 105 to be loosely supported.

Although the rotation of the adjusting male screw cylinder 101 is prevented by pressing the upper side 104a of the rotation stopper pin 104 with the closing plug 109, when the closing plug 109 is loosened due to vibration or the like, the adjusting male screw cylinder 101 is prevented. There was a drawback that the 101 was easily rotated and eventually came out of the floor panel support device A.

The present invention solves the above-mentioned drawbacks of the conventional floor panel support device, and can be precisely adjusted to the ink mark position of the structural floor, and the height can be adjusted accurately and easily, and the level can be adjusted even after the floor panel is laid. It is an object of the present invention to provide a floor panel supporting device capable of performing the following.

It is another object of the present invention to provide a floor panel supporting apparatus which can easily manage the joint state between the floor panel and the floor panel supporting apparatus and can surely prevent rotation, loosening, and slipping out of parts of the floor panel supporting apparatus.

[0015]

In order to solve the above-mentioned problems, a floor plate supporting apparatus according to the present invention has a male screw for height adjustment screwed from one end of a shaft and a floor plate tightened from the other end of the shaft. A male screw for screwing is formed, and a jig engaging portion for rotation is formed at the top of the shaft on the male screw side for floor plate fastening, and the male screw for floor plate fastening and the male screw for height adjustment are formed. An adjusting bolt for projecting a flange-shaped disc body therebetween, a support plate for fixing a cylindrical tubular body for threading a female screw to be screwed to the male screw for height adjustment on the inner surface to a central portion, and the floor plate A floor plate receiving plate which is inserted into the adjusting bolt from the side of the tightening male screw and is supported by the flange-shaped panel body, and a female screw which is screwed to the floor plate tightening male screw are threaded on the inner surface and the upper end thereof is formed. A floor plate tightening cap for fixing the disk, and a key inserted into the head of the shaft on the male screw side for floor plate tightening inside the floor plate tightening cap. It is characterized by having a bolt loosening prevention member.

[0016]

In the floor plate supporting apparatus of the present invention, first, a male screw for adjusting the height of the adjusting bolt is screwed into a cylindrical cylinder fixed to the center of the supporting plate, and screwed to a predetermined height in advance. Next, a support plate is disposed at a predetermined position on the structural floor, and the floor plate receiving plate is placed on a flange-shaped board protruding from the adjustment bolt.

On the other hand, the floor plate supported by the floor plate receiving plate is formed with a notch for accommodating a male screw for tightening the floor plate of the adjusting bolt. The floor plate is placed on the floor plate receiving plate in accordance with the notch. The supporting height of the floor plate is adjusted to a predetermined height by engaging a jig with a rotating jig engaging portion at the top of the shaft on the side of the male screw for floor plate tightening and rotating the adjustment bolt. At this time, the flange-shaped board body of the adjustment bolt rotates while being in contact with the floor plate receiving plate.

After the height adjustment, the floor plate tightening cap having the adjusting bolt loosening prevention member interposed therein is screwed into the male screw for floor plate tightening. While screwing the floor plate tightening cap, the upper surface of the placed floor plate is pressed by a disk fixed to the upper end.

By firmly screwing the floor plate tightening cap into the male screw for floor plate tightening, the floor plate is sandwiched and fixed between the disc body and the floor plate receiving plate, and the adjusting bolt loosening prevention member in the floor plate tightening cap is provided by the floor plate. It is pressed against the head of the shaft on the side of the male screw for tightening to prevent the floor plate tightening cap and the adjusting bolt from rotating relative to each other.

When finely adjusting the support height after fixing the floor plate, the floor plate tightening cap is removed, and the jig is engaged with the turning jig engaging portion on the top of the shaft on the male screw side for floor plate tightening. The height is adjusted to a predetermined height by rotating the adjusting bolt, and the floor plate tightening cap is firmly tightened again to fix the floor plate.

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 is a cross-sectional view of a floor panel support device mounted on a finished floor panel, FIG. 2 is a plan view of the floor panel support device, FIG. 3 is a cross-sectional view of a section taken along line III-III in FIG. 1, FIG. FIG. 6 is a plan view of the support plate, FIG. 7 is a cross-sectional view taken along a line VII-VII in FIG. 6, FIG. 8 is a plan view of a floor plate receiving plate, and FIG. 9 is a cross-sectional view taken along a line IX-IX in FIG. FIG. 10 is a plan view of the floor plate fastening cap, and FIG. 11 is a cross-sectional view taken along the line XI-XI in FIG.

The floor plate supporting apparatus A of the present invention comprises a supporting plate 2 mounted on a structural floor 1 made of reinforced concrete.
And an adjusting bolt 3 screwed into a female screw portion 2b threaded on the inner surface of a cylindrical portion 2a protruding from the center of the support plate 2, and a flange-shaped board 3a protruding from the shaft of the adjusting bolt 3. A floor plate receiving plate 4 and a floor plate tightening cap 5 screwed into a male screw 3b for tightening a floor plate screwed into a tip end of an adjusting bolt 3 that is inserted through the floor plate receiving plate 4 and protrudes upward. doing.

As shown in FIGS. 6 and 7, the support plate 2 has a rectangular plate portion 2c formed by bending.
And a cylindrical portion 2a protruding from the plate portion 2c.
The central portion 2d of the plate portion 2c to which the cylindrical portion 2a is fixed is slightly upwardly convex with respect to the structural floor 1. When the load is applied, the central portion 2d is elastically deformed, and the cushion effect of the floor plate supporting device A is improved. Present. A plurality of small holes 2e and reinforcing ribs 2f are formed in the face plate of the plate portion 2c.
Further, a cut-out check mark 2g is provided at the center of the end of the face plate, and a mark 2h for check-out check is provided at an even portion of the face plate.

As shown in FIGS. 4 and 5, the adjusting bolt 3 screwed to the cylindrical portion 2a of the support plate 2 is provided with a male screw 3c for height adjustment at one end of the shaft and at the other end. The floor plate fastening male screw 3b is threaded. A turning jig engaging portion 3d is formed at the top of the shaft of the adjusting bolt 3 on the male screw 3b for floor plate fastening. A flange-shaped body 3a protrudes between the floor plate tightening male screw 3b and the height adjusting male screw 3c.

The floor plate receiving plate 4 supported by the flange-shaped board 3a
As shown in FIGS. 8 and 9, a protruding portion 4b is provided at the center of the disk-shaped disk body 4a, and an adjusting bolt insertion hole 4c is formed in the protruding portion 4b. This protrusion 4b
Constitutes a reinforcing portion of the load supporting point of the floor plate receiving plate 4. In addition, the contact surfaces of the floor plate receiving plate 4 and the flange-shaped board body 3a are formed to be smooth, respectively, and come into contact with each other in a slidable state. Projection 4b
A buffer material 4d is attached to the surface of the disk-shaped disk body 4a on the side. The cushioning member 4d is made of an elastic material such as rubber, and plays a role of preventing wear of the finished floor plate 6 to be supported, absorbing vibration, and the like.

As shown in FIGS. 1 to 3, the finished floor plate 6 supported by the floor plate receiving plate 4 is formed with a cutout 6a for accommodating the male screw 3b for tightening the floor plate of the adjusting bolt 3. This notch 6a is provided at each even corner of the finished floorboard 6,
The notch shape is a 90 ° arc of equal radius. Accordingly, four finished floorboards 6 are placed on the floorboard receiving plate 4 of one floorboard support device A in a point-symmetric manner, and four even-angled cutouts 6a are provided.
Gather to form the bolt fastening hole 6b of the floor panel support device A. The projecting portion 4 of the floor plate receiving plate 4 is provided in the bolt tightening hole 6b.
b, and the floor plate fastening male screw 3b portion passing therethrough protrudes.

As shown in FIGS. 10 and 11, the floor plate tightening cap 5 screwed to the floor plate tightening male screw 3b has a disk 5a at the upper end and a cylindrical portion 5b protruding at the center. I do. On the inner surface of the cylindrical portion 5b, a female screw 5c to be screwed to the male screw 3b for tightening the floor plate is screwed. The adjusting bolt 3 to be screwed has an adjustment bolt formed of an elastic body such as rubber on the head. The loosening prevention member 7 is inserted. A notch 5d is formed at the center of the upper surface of the disk body 5a. A turning jig is engaged with the notch 5d to fasten the floor plate tightening cap 5 to the floor plate tightening male screw 3b.

An arc-shaped notch 6c is provided on the upper surface of the even part of the finished floor plate 6 having the notch 6a so that the disk 5a can be stored flush.

Next, a method of using the floor panel supporting apparatus A will be described with reference to FIG.
And FIG. First, a resin film 10 for preventing loosening is applied to the male screw 3c for adjusting the height of the adjusting bolt 3 in advance, screwed into the cylindrical portion 2a of the support plate 2, and screwed to a predetermined height in advance. Adhesion applied in advance to the structural floor 1 at a position where the support plate 2 is fixed, by aligning the black 8 marked on the surface of the structural floor 1 with the cut-out confirmation mark 2g or the black-out confirmation mark 2h of the support plate 2. The support plate 2 is pressed and fixed to the resin material 9 for use. At this time, it is confirmed through the small hole 2e that the adhesive resin agent 9 is wrapped around. In addition, the adhesive resin 9 is inserted into the small holes 2e.
Penetrates, the shear reinforcement is performed, and the sliding of the support plate 2 can be prevented.

The support plate 2 may be one in which a concrete nail is driven into the small hole 2e without using the adhesive resin agent 9 and fixed.

The floor plate receiving plate 4 is placed on the flange-shaped board 3a of the adjustment bolt 3 screwed to the fixed support plate 2. Four finished floorboards 6 are placed on the floorboard receiving plate 4 around the center of the arc of the cutout 6a. When the finished floor plate 6 of the entire floor is arranged, the jig is engaged with the turning jig engaging portion 3d formed on the shaft top of the male screw 3b for tightening the floor plate, and the adjusting bolt 3 is rotated. Perform height adjustment. Adjustment bolt 3
The resin screw 10 for preventing loosening is provided on the male screw 3c for height adjustment.
Is applied to prevent loosening caused by vibration after height adjustment.

Next, the floor plate tightening cap 5 is screwed into the floor plate tightening male screw 3b, and the disk 5a is pressed against the upper surface of the cut 6c of the finished floor plate 6 while the floor plate tightening cap 5 is screwed. At this time, the adjusting bolt loosening preventing member 7 in the floor plate tightening cap 5 is pressed against the shaft head on the side of the male screw 3b for floor plate tightening, and the floor plate tightening cap 5 and the adjusting bolt 3
Are prevented from rotating with each other. Therefore, the fastening of the floor panel tightening cap 5 simultaneously fixes the finished floor panel 6 and prevents the adjustment bolt 3 from loosening.

When the support height H of the finished floor plate 6 is deviated after the completion of the construction, the notch 5 of the floor plate tightening cap 5
d, the turning jig is engaged to remove the floor plate tightening cap 5, and the jig is engaged with the turning jig engaging portion 3d of the adjustment bolt 3 and rotated to adjust the height to a predetermined height. The floor panel tightening cap 5 is firmly tightened again to fix the finished floor panel 6.

[0034]

As described above, the floor plate supporting device of the present invention comprises an adjusting bolt for threading external threads on both ends of a shaft and projecting a flange-shaped disk between them, and the flange-shaped disk. The support height of the floor plate receiving plate can be accurately and easily adjusted even after the support plate is accurately fixed to the mark position of the structural floor and fixed. Further, even after the floor plate is laid, fine adjustment of the support height can be performed by rotating the adjusting bolt by using the turning jig engaging portion formed on the shaft top of the male screw for tightening the floor plate.

Further, even after the floor plate is fixed, the fixing state of the floor plate and the floor plate supporting device can be corrected by rotating the floor plate tightening cap and the adjustment bolt, and the supporting height can be easily adjusted.

Further, by firmly holding and fixing the floor plate between the floor plate tightening cap and the floor plate receiving plate in which the adjusting bolt loosening prevention member is inserted, the rotation, loosening, and falling out of the floor plate support device can be reliably prevented. it can.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a floor panel support device mounted on a finished floor panel.

FIG. 2 is a plan view of the floor panel support device.

FIG. 3 is a sectional view taken along the line III-III in FIG. 1;

FIG. 4 is a plan view of an adjustment bolt.

FIG. 5 is a side view of the adjustment bolt.

FIG. 6 is a plan view of a support plate.

FIG. 7 is a sectional view taken along the line VII-VII in FIG. 6;

FIG. 8 is a plan view of a floor plate receiving plate.

9 is a cross-sectional view taken along the line IX-IX in FIG.

FIG. 10 is a plan view of a floor plate fastening cap.

11 is a cross-sectional view taken along the line XI-XI in FIG.

FIG. 12 is a sectional view of a conventional floor panel support device.

[Explanation of symbols]

 A floor plate support device 2 support plate 2a cylindrical portion 3 adjusting bolt 3a flange-shaped body 3b male screw for floor plate tightening 3c male screw for height adjustment 3d rotation jig engaging portion 4 floor plate receiving plate 4a disk-shaped disk body 5 Floor plate tightening cap 5a Disk 6 Finished floor plate 7 Adjustment bolt loosening prevention member

Claims (1)

(57) [Scope of request for utility model registration] 1. A male screw for height adjustment is threaded from one end of the shaft, and a male screw for floor plate fastening is threaded from the other end of the shaft. An adjusting bolt for forming a turning jig engaging portion at the top of the base plate, and projecting a flange-shaped disc body between the floor plate tightening male screw and the height adjusting male screw; A support plate for fixing a cylindrical tubular body for threading a female screw screwed to a male screw on the inner surface to the center portion, and the adjusting bolt is inserted from the male screw side for floor plate tightening to the flange-shaped disc body. A floor plate receiving plate to be supported, a floor plate tightening cap for screwing a female screw screwed to the male screw for floor plate tightening on the inner surface and fixing a disk body to an upper end thereof, and inside the floor plate tightening cap. A floor plate supporting device, comprising: an adjustment bolt loosening prevention member inserted into a head of the shaft on the side of the floor plate fastening male screw.