JPH0743343Y2 - Floor board support device - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor board supporting device for supporting a finished floor board stretched as a double floor on a structural floor such as a concrete building.

[0002]

2. Description of the Related Art Conventionally, in the case of forming a double floor on a structural floor such as a concrete structure, joists or large lumbers have been laid on the structural floor and a finishing floor board has been placed thereon. Such a double floor formation method requires a skilled worker because the construction is complicated and it is difficult to ensure the horizontality of the finished floor board.

Therefore, in order to eliminate such drawbacks, so that even a non-skilled worker can construct a double floor, there is no joist or large lumber to be laid on the structural floor, and the floor board directly supports the finished floor board by the pedestal. A supporting device, for example, a floor plate supporting device as described in Japanese Utility Model Publication No. 60-6107 is proposed. This conventional floor board supporting device will be described with reference to FIG.

FIG. 15 is a sectional view of a conventional floor board supporting device. The conventional floor board supporting device A internally includes an adjusting male screw cylinder 101 having upper and lower male threads opposite to each other, and a female screw hole 102a screwed to an upper male screw 101a of the adjusting male screw cylinder 101. Floor plate receiving plate 102, and female screw hole 103 to be engaged with the lower male screw 101b of the adjusting male screw cylinder 101.
It has a circular base 103 in which a is installed.

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

The method of using the conventional floor board supporting apparatus A is as follows.
First, a mounting hole 105a of the floor board supporting device A is formed at a required position of the finished floor board 105, the floor board receiving plate 102 is fixed to the back surface of the mounting hole 105a with a screw 106, and then a female screw hole 102a of the floor plate receiving plate 102 is formed. The upper male screw 101a of the adjusting male screw cylinder 101 is screwed into the
The floor board supporting device A was attached to the finishing floor board 105 by screwing the circular base 103 to the lower male screw 101b of FIG. At this time, the supporting height H of the finishing floor plate 105 of the floor plate supporting device A was adjusted by expanding and contracting by appropriately rotating the circular base 103.

A finishing floor board 105 to which the height-adjusted floor board supporting device A is attached is laid at a predetermined position on the structural floor 107, and a concrete nail 108 is circularly formed from the upper portion of the finishing floor board 105 using the mounting hole 105a. The finishing floor plate 105 and the floor plate supporting device A were fixed by driving into the nail holes 103b of the base 103. This fixed finishing floorboard 105
When unevenness occurs in the mounting floor 105a, the square bar spanner is inserted into the engaging hole 101c of the adjusting male screw cylinder 101, and the adjusting male screw cylinder 101 is appropriately rotated to support the finished floor board 105 at a high height. I was doing a fine adjustment of H.

After that, the L-shaped detent pin 104 is inserted into the pin insertion hole 101d at the upper end of the adjusting male screw cylinder 101,
The obstruction plug 109 is inserted into the mounting hole 105a and the upper side portion 104a of the whirl-stop pin 104 is pressed to fix the whirl-stop pin 104.
Also, the rotation of the adjusting male screw cylinder 101 is prevented.

[0009]

However, the conventional floor board supporting apparatus A is mounted on the finishing floor board 105 before the structural floor 10 is installed.
Since it is laid on the floor 7, it is difficult to match it with the black ink printed on the structural floor 107, and the center of the floor board supporting device A is displaced.

Further, the support height H of the finishing floor plate 105 is adjusted by expanding and contracting the circular base 103 in advance, but the expansion and contraction adjustment in consideration of the waviness and inclination of the structural floor 107 is not possible. Since it is difficult, it is necessary to adjust the unevenness after fixing the finishing floor plate 105. Moreover, since the adjusting male screw cylinder 101 has to be rotated while the load of the finishing floor board 105 is being loaded, and a great amount of force is required, the height adjustment is not easy.

Although the finishing floor plate 105 is fixed to the floor plate receiving plate 102 by screws, it cannot be re-tightened when the screws 106 are loosened due to vibration or the like. Therefore, the floor plate receiving plate 102 and the finishing floor plate 105 are joined together. Has a drawback that the support height H is deviated due to the rotation of the floor plate receiving plate 102, and the support of the finishing floor plate 105 is loose.

Further, the rotation of the adjusting male screw cylinder 101 is prevented by pressing the upper side portion 104a of the anti-rotation pin 104 with the closing plug 109, but when the closing plug 109 is loosened due to vibration or the like, the adjusting male screw cylinder is pushed. 101 has a drawback that it easily rotates and eventually comes out of the floor board supporting device A.

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

Further, the joint condition between the floor plate and the floor plate supporting device can be easily controlled, rotation, loosening and slipping out of parts of the floor plate supporting device can be surely prevented, and rattling at the time of laying the floor plate can be eliminated to facilitate the construction. It is also an object to provide a floorboard support device.

[0015]

In order to solve the above-mentioned problems, the floor board supporting device of the present invention is such that a height adjusting male screw is threaded from one end of the shaft and the height is increased from the other end of the shaft. Screw a floorboard tightening male screw with an outer diameter smaller than the adjusting male screw,
A turning jig engaging portion is formed on the top of the shaft on the side of the floor plate tightening male screw, and the shaft diameter suddenly changes to the shaft between the floor plate tightening male screw and the height adjusting male screw. Adjusting bolt forming a portion, a supporting plate for fixing a cylindrical tubular body having a female screw screwed to the height adjusting male screw on an inner surface thereof to a central portion, and the floor plate tightening male screw side The fixing bolt has a bolt locking hole having an inner diameter slightly smaller than the shaft diameter of the adjusting bolt in the central portion, and the plate surface in the peripheral portion of the bolt locking hole is brought into contact with the sudden change of the shaft diameter so as to be fixed to the adjusting bolt. The fixed floor plate receiving plate has a central portion having a floor plate receiving plate and a bolt insertion hole that loosely fits the adjusting bolt on the male screw side for fixing the floor plate, and the fixed floor plate receiving plate has a contact surface slidable with the fixed floor plate receiving plate. An upper floor plate receiving plate mounted on
A floor plate tightening cap having a female body screwed to the floor plate tightening male screw on the inner surface and having a disc body fixed to the upper end thereof, and the floor plate tightening male screw side inside the floor plate tightening cap. And an adjusting bolt loosening prevention member that is inserted into the head of the shaft.

[0016]

In the floor plate supporting device of the present invention, the fixed floor plate receiving plate is first press-fitted into the adjusting bolt from the male screw side for fixing the floor plate via the bolt locking hole, and the bolt locking hole is formed at the portion where the shaft diameter of the adjusting bolt suddenly changes. The plate surface of the peripheral portion is abutted and fixed to the adjustment bolt. The height adjusting male screw of the adjusting bolt is screwed into a cylindrical tubular body fixed to the central portion of the support plate, and is screwed in advance to a predetermined height. Next, a support plate is arranged at a predetermined position on the structural floor, and the upper floor plate receiving plate is placed on the fixed floor plate receiving plate.

On the other hand, the floor plate supported by the floor plate supporting device is formed with a notch for accommodating the male screw for tightening the floor plate of the adjusting bolt. The floor plate is placed on the upper floor plate support plate in accordance with this cutout portion. Since this upper floor plate support plate is on the fixed floor plate support plate that is fixed to the adjustment bolt, it does not rock when the floor plate is placed,
Floor boards can be laid easily.

The supporting height of the laid floor plate is set to a predetermined height by engaging the jig with the rotating jig engaging portion at the top of the shaft on the male screw side for tightening the floor plate and rotating the adjusting bolt. Adjust to.
At this time, the fixed floor plate receiving plate rotates integrally with the adjusting bolt while sliding with respect to the upper floor plate receiving plate on which the floor plate is directly mounted.

After laying the floor plate, a floor plate tightening cap having an adjusting bolt loosening prevention member interposed therein is screwed into the floor plate tightening male screw. While screwing in the floor board tightening cap, the upper surface of the floor board laid by the disk body fixed to the upper end is pressed.

By firmly screwing the floor plate tightening cap into the male screw for floor plate tightening, the floor plate is clamped and fixed by the disc body and the upper floor plate receiving plate, and the adjustment bolt loosening prevention member in the floor plate tightening cap is provided. The floor plate tightening cap and the adjusting bolt are prevented from rotating relative to each other by crimping to the head portion of the shaft on the floor plate tightening male screw side.

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 rotating jig engaging portion at the top of the shaft on the male screw side for floor plate tightening. Rotate the adjustment bolt to adjust it to the desired height. After that, firmly tighten the floor plate tightening cap again to fix the floor plate.

[0022]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will now be described in detail with reference to the accompanying drawings. 1 is a sectional view of a floorboard supporting device mounted on a finishing floorboard, FIG. 2 is a plan view of the floorboard supporting device, FIG. 3 is a sectional view of a III-III section in FIG. 1, FIG. 4 is a plan view of an adjusting bolt, and FIG. Is a side view of the same, FIG. 6 is a plan view of the support plate, FIG. 7 is a cross-sectional view taken along the line VII-VII in FIG. 6, FIG. 8 is a plan view of the fixed floor plate receiving plate, and FIG. 9 is a cross-sectional view taken along the line IX-IX in FIG. Sectional view, FIG. 10 is a plan view of the upper floor plate receiving plate, FIG. 11 is a cross-sectional view of the XI-XI cross section in FIG. 10, FIG. 12 is a plan view of the floor plate tightening cap, and FIG. 13 is a XIII-XIII cross section of FIG. FIG.

The floor board supporting apparatus A of the present invention comprises a support plate 2 which is placed on a structural floor 1 made of reinforced concrete.
An adjusting bolt 3 for screwing a height adjusting male screw 3a onto a female screw portion 2b threaded on the inner surface of the cylindrical portion 2a protruding from the center of the supporting plate 2, and the height adjusting male screw 3a. The fixed floor plate receiving plate 4 fixed to the shaft diameter sudden change portion 3b of the adjusting bolt 3 formed on the upper portion, the upper floor plate receiving plate 14 placed on the smooth face plate of the fixed floor plate receiving plate 4, and the fixed floor plate receiving plate 14. It has a floor plate tightening cap 5 which is screwed into a floor plate tightening male screw 3c which is threaded on the tip of the adjusting bolt 3 which is inserted through the plate 4 and the upper floor plate receiving plate 14 and projects upward.

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 convex upward with respect to the structural floor 1, and the central portion 2d is elastically deformed when a load is loaded, so that the cushioning effect of the floor board supporting device A is obtained. Present. Further, a plurality of small holes 2e and reinforcing ribs 2f are formed in the face plate of the plate portion 2c.
Further, a marking-out confirmation cut 2g is provided at the center of the face plate end portion, and a marking-out confirmation mark 2h is provided at the face plate even corner portion.

As shown in FIGS. 4 and 5, the adjusting bolt 3 screwed into the cylindrical portion 2a of the support plate 2 has a height adjusting male screw 3a formed on one end of the shaft and the other end formed on the other end. The floor plate tightening male screw 3c is threaded. A turning jig engaging portion 3d is formed on the shaft top portion of the adjusting bolt 3 on the floor plate tightening male screw 3c side. Since the outer diameter of the floor plate tightening male screw 3c is smaller than the outer diameter of the height adjusting male screw 3a, a shaft diameter sudden change portion 3b is formed at the joint portion between them.

As shown in FIGS. 8 and 9, the fixed floor plate receiving plate 4 fixed to the shaft diameter sudden change portion 3b has a shaft of the adjusting bolt 3 on the floor plate tightening male screw 3c side at the center of the disk body 4a. Diameter d0
It has a bolt locking hole 4b with a slightly smaller inner diameter φ.
A peripheral portion of the bolt locking hole 4b forms a truncated cone surface 4c slightly inclined toward the hole center, and a plurality of reinforcing ribs 4d are formed on the face plate of the disk body 4a opposite to the truncated cone surface 4c. .

As shown in FIGS. 10 and 11, the upper floor plate receiving plate 14 placed on the face plate of the fixed floor plate receiving plate 4 on the side of the truncated cone surface 4c is, as shown in FIGS. Three
It has a bolt insertion hole 14b for loosely inserting the adjustment bolt 3 on the c side. On the plate surface of the disc body 14a of the upper floor plate receiving plate 14, a trapezoidal rib 14c having a convex cross section is formed in a cross shape around the bolt insertion hole 14b. Fixed floor plate support plate 4
The trapezoidal rib 1
Since 4c does not project, the mutual contact surfaces are smooth, and the upper floor plate receiving plate 14 and the fixed floor plate receiving plate 4 are relatively rotatable.

As shown in FIGS. 1 to 3, the upper floor plate receiving plate 1
4 and the fixed floor plate receiving plate 4 support an even corner portion of the finished floor plate 6 which is fitted into the trapezoidal rib 14c of the upper floor plate receiving plate 14 and accommodates the floor plate tightening male screw 3c of the adjusting bolt 3. The notch 6a is formed. The planar shape of the notch 6a formed on the lower surface of each even corner is a point-symmetrical shape sandwiched by the trapezoidal ribs 14c, and the four finishing floor plates 6 are the upper floor plate receiving plate 1
4. Further, the notch portions 6a at the four even corners are gathered to form the bolt tightening holes 6b of the floor board supporting device A.
In this bolt tightening hole 6b, a floor plate tightening male screw 3c portion through which the upper floor plate receiving plate 14 is inserted is projected.

As shown in FIGS. 12 and 13, the floor plate tightening cap 5, which is screwed into the floor plate tightening male screw 3c, has a disk body 5a at the upper end and a cylindrical part 5b at the center. To do. On the inner surface of the cylindrical portion 5b, a female screw 5c that is screwed into the floor plate tightening male screw 3c is threaded, and the head of the screwed adjustment bolt 3 is formed of an elastic body such as rubber. The loosening prevention member 7 is inserted. A notch portion 5d is formed in the center of the upper surface of the disk body 5a, and a rotating jig is engaged with the notch portion 5d to fasten the floor plate tightening cap 5 to the floor plate tightening male screw 3c.

An arcuate notch 6c is provided on the upper surface of the even corner portion of the finished floor plate 6 having the notch 6a so that the disc 5a can be accommodated in the same plane, and a circle is provided between the notch 6c and the disc 5a. The annular cushioning material 10 is sandwiched.

Next, a method of using the floor board supporting device A will be described. First, the fixed floor plate receiving plate 4 is press-fitted into the adjusting bolt 3 from the floor plate tightening male screw 3c side using a jig with the truncated cone surface 4c of the bolt locking hole 4b facing upward, and the shaft diameter sudden change portion 3b of the adjusting bolt 3 is pressed. The truncated cone surface 4c is brought into contact with and fixed. After that, the height adjusting male screw 3a of the adjusting bolt 3 is screwed into the cylindrical portion 2a of the support plate 2, and is screwed in advance to a predetermined height. At this time, the locking nut 11 is previously screwed onto the height adjusting male screw 3a.

The ink 8 marked on the surface of the structural floor 1 and the marking 2g for confirming the marking or the marking 2h for marking the supporting plate 2 are aligned with each other, and the structural floor 1 is fixed in advance at the position where the supporting plate 2 is fixed. The support plate 2 is pressure-bonded and fixed to the adhesive resin agent 9 to be applied. At this time, the wraparound of the adhesive resin agent 9 is confirmed through the small holes 2e. Further, when the adhesive resin agent 9 enters the small holes 2e, shear reinforcement is performed and the support plate 2 can be prevented from sliding.

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

Next, the upper floor plate receiving plate 14 is placed on the face plate of the fixed floor plate receiving plate 4. The four finishing floor plates 6 are placed in point symmetry according to the cross-shaped trapezoidal ribs 14c of the upper floor plate receiving plate 14. Since the trapezoidal ribs 14c are fitted to the finishing floor plate 6, the upper floor plate receiving plate 14 does not rotate with respect to the finishing floor plate 6. When the finishing floor plate 6 of the entire floor is arranged, the jig is engaged with the rotating jig engaging portion 3d formed on the shaft top portion on the side of the floor plate tightening male screw 3c, and the adjusting bolt 3 is rotated to raise the height. Adjustment. At this time, the fixed floor plate receiving plate 4 fixed to the adjusting bolt 3 slides and rotates with respect to the upper floor plate receiving plate 14 which does not rotate. Lock nut 11 after height adjustment is completed
Tighten.

Next, the floor plate tightening cap 5 is screwed into the floor plate tightening male screw 3b, and while the floor plate tightening cap 5 is screwed in, the disc body 5a is cut into the finishing floor plate 6 and the cushioning material 1 is formed.
0 Press on the upper surface. At this time, the adjusting bolt loosening prevention member 7 in the floor plate tightening cap 5 is crimped to the shaft head on the side of the floor plate tightening male screw 3c, and the friction resistance causes the floor plate tightening cap 5 and the adjusting bolt 3 to rotate relative to each other. To prevent Therefore, the fastening of the floor plate tightening cap 5 fixes the finishing floor plate 6 and prevents the adjusting bolt 3 from loosening at the same time.

When the supporting height H of the finished floor plate 6 is distorted after the construction is completed, the notch 5 of the floor plate tightening cap 5 is formed.
The floor plate tightening cap 5 is removed by engaging d with a rotating jig, and the jig is engaged with the rotating jig engaging portion 3d of the adjusting bolt 3 and rotated to adjust to a predetermined height. The floor board tightening cap 5 is firmly tightened again to fix the finished floor board 6.

The adjusting bolt 3 is used in the embodiment described above.
Although the locking nut 11 is screwed into the cylindrical portion 2a of the support plate 2, a resin coating film 111 for locking is applied to the height adjusting male screw 3a of the adjusting bolt 3 as shown in FIG. It may be screwed on.

[0038]

As described above, the floor board supporting device of the present invention comprises the adjusting bolt having the male screw on both ends of the shaft,
By providing a fixed floor plate support plate that is fixed to the sudden change in the shaft diameter of the adjustment bolt, the support height of the floor plate can be precisely and easily adjusted even after the support plate is accurately aligned and fixed to the marking position on the structural floor. Can be done.

Further, since the fixed floor plate receiving plate is fixed to the adjusting bolt, it does not swing when the floor plate is placed, and the floor plate can be easily laid.

Further, even after laying the floor plate, it is possible to adjust the support height by rotating the adjusting bolt by utilizing the rotating jig engaging portion formed at the shaft top portion on the male screw side for fastening the floor plate. At this time, since the fixed floor plate receiving plate fixed to the adjusting bolt can be slidably rotated with respect to the upper floor plate receiving plate closely attached to the floor plate, smooth height adjustment can be performed.

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

Further, by firmly sandwiching and fixing the floor plate with the floor plate tightening cap having the adjustment bolt loosening prevention member inserted and the floor plate receiving plate, it is possible to reliably prevent the floor plate supporting device from rotating, loosening, and coming out. it can.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a floorboard supporting device mounted on a finishing floorboard.

FIG. 2 is a plan view of a floor board supporting device.

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

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.

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

FIG. 8 is a plan view of a fixed 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 an upper floor plate receiving plate.

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

FIG. 12 is a plan view of a floor plate tightening cap.

13 is a cross-sectional view taken along the line XIII-XIII in FIG.

FIG. 14 is a cross-sectional view of a floor board supporting device of another embodiment.

FIG. 15 is a cross-sectional view of a conventional floor board supporting device.

[Explanation of symbols]

 A Floor plate support device 2 Support plate 2a Cylindrical part 3 Adjustment bolt 3a Height adjusting male screw 3b Shaft diameter sudden change part 3c Floor plate tightening male screw 3d Rotating jig engaging part 4 Fixed floor plate receiving plate 4a Disk body 4b Bolt Locking hole 5 Floor plate tightening cap 5a Disc body 6 Finished floor plate 7 Adjustment bolt loosening prevention member

Claims (1)

[Scope of utility model registration request] 1. A height adjusting male screw is threaded from one end of the shaft, and a floor plate tightening male screw having an outer diameter smaller than the height adjusting male screw is threaded from the other end of the shaft. , A rotation jig engaging portion is formed on the top of the shaft on the floor plate tightening male screw side, and a shaft diameter is formed on the shaft between the floor plate tightening male screw and the height adjusting male screw. An adjusting bolt that forms a sudden change portion, a support plate that fixes a cylindrical cylindrical body having a female screw that is screwed to the height adjusting male screw on the inner surface and is fixed to the central portion, and the floor plate tightening male screw Has a bolt locking hole having an inner diameter slightly smaller than the shaft diameter of the adjusting bolt on the side, and a plate surface around the bolt locking hole is brought into contact with the sudden change of the shaft diameter so as to be fixed to the adjusting bolt. A fixed floor plate receiving plate, and a bolt insertion hole at the central portion for loosely fitting the adjustment bolt on the floor plate tightening male screw side,
An upper floor plate receiving plate mounted on the fixed floor plate receiving plate at a contact surface slidable relative to the fixed floor plate receiving plate, and a female screw threaded to the male screw for tightening the floor plate are screwed on the inner surface and the upper end portion thereof is formed. A floor plate tightening cap for fixing the disc body to the bottom plate, and an adjusting bolt loosening prevention member inserted into the head of the shaft on the side of the floor plate tightening male screw inside the floor plate tightening cap. Floor board support device.