JPH0745697Y2 - Floor support - 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 support device in which support legs are arranged on a concrete foundation surface of a building so as to support a floor with load resistance.

[0002]

2. Description of the Related Art Conventionally, as a floor support device for supporting a floor by arranging it on a concrete foundation surface of a building, for example, one shown in FIG. 5 is known. This floor support device includes a steel pipe 40 and a cover plate 4 for closing an opening at an upper end of the pipe 40.
3, a seat plate 47 fixed to the base surface is provided at the lower end of the pipe 40, and a through window 48 through which the nut 42 is inserted is provided at the peripheral wall near the upper end of the pipe 40.

In this floor support device, a nut 42 is inserted from the through window 48 to the lower side of the cover plate 43, and the bundle bolt 41 inserted from the through hole of the cover plate 43 is screwed into the nut 42 to cover the bundle bolt 41. It is fixed to the plate 43, and the bundle bolt 41
The support base 44 is screwed in from above, and the Daihiki steel 45 having a through hole is fitted thereinto.
5 so that the lower surface of 5 is received by the support base 44, and then the nut 46 is screwed in from the upper end of the bundle bolt 41, and the haiki steel 4
5 is fixed.

[0004]

In the floor support device according to the above-mentioned conventional example, a nut 42 is inserted through the peripheral wall at the upper end of the pipe 40 to enable height adjustment of the floor support device. Although the window 48 is provided, the strength of the pipe 40 itself decreases due to the through window 48, and when a heavy impact is applied to the window 40, the vicinity of the through window 48 may be buckled, and the support base is also provided. Since 44 was simply composed of a flat plate, its strength was not sufficient against a heavy load from this upper surface.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a floor supporting apparatus having a load bearing strength and capable of easily adjusting the height.

[0006]

In order to solve the above technical problems, a floor supporting apparatus according to the present invention is a cylindrical shape mounted on a foundation surface 1 of a building, as shown in FIGS. 1 and 3. Support leg 2, a support bolt 3 that is screwed into a lid 7 that closes the upper end of the support leg 2 and is erected upright so that the height of the support leg 2 can be adjusted. A nut 13 that is screwed into the tool 13 and has a tool engaging part, an expanding part 15 that is integrated with the nut 13 and expands obliquely upward from the nut 13 in a conical shape, and horizontally from the upper end of the expanding part 15 to the outside. A lower support base 4 that has a flange 17 that extends and has a circular upper surface, and a mounting unit 3 that is mounted on the upper surface of the lower support base 4.
0 and an upper support 5 having a holding portion 31 that is bent upward from both ends of the mounting portion 30 and holds the large pulling member 24.
And a circular hole 25, and the hole 25 is fitted into the expanding portion 15 of the lower support base 4 to press and fix the mounting portion 30 of the upper support base 5 with the stopper 20. Upper support 5
And a pressing metal fitting 6 for crimping to the lower support base 4.

[0007]

[0008]

[Operation] The operation of the present invention will now be described. In the floor support device, when the support bolt 3 is rotated, the support bolt 3 moves up and down with respect to the support leg 2 and the height of the lower support base 4 can be adjusted. Then, the lower support 4 is stopped at the required height, and the hole 25 of the retainer 6 is pressed from the lower part of the lower support 4 to the expanding portion 15.
The presser fitting 6 and the mounting portion 3 of the upper support 5
The lower support 4 is sandwiched between the upper support 5 and the lower support 4, and the stopper 20 is used to tighten the space between the retainer 6 and the support 30 of the upper support 5. It is crimped and fixed to the support base 4. When adjusting the height, the lower support 4 can be freely rotated by loosening the stopper 20, and the nut 13
The height of the lower support 4 can be adjusted by rotating the tool with a tool. Further, in the installed state, since the lower support base 4 supports the upper support base 5 by the flange portion 17 extending horizontally from the expanding portion 15, the upper support base 5 is supported by the entire flange portion 17. To be done.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of a floor supporting apparatus according to the present invention will be described below with reference to the drawings. 1 to 3 show the floor support device. The main part of this floor support device is a cylindrical support leg 2 arranged on a concrete foundation surface 1, a support bolt 3 which is screwed into the support leg 2 and stands upright for height adjustment, and this support The lower support base 4 screwed onto the upper end of the bolt 3, the upper support base 5 mounted on the lower support base 4 and used to fix the pulling bar 24, and the upper support base 5 on the lower support base 4. It is composed of a holding metal fitting 6 for fixing.

The support leg 2 is a cylindrical pipe made of steel, and a hollow disk-shaped lid 7 is welded to the upper end of the pipe.
A nut 8 for screwing the support bolt 3 is fixed to the center of the upper surface of the lid body 7 by welding. On the other hand, a seat plate 21 fixed to the base surface 1 is attached to the lower ends of the support legs 2.

Further, the lower support base 4 has a nut portion 13 screwed into the support bolt 3 and a conical portion which is fixed to the upper surface of the nut portion 13 and expands outward from this portion in an inverted conical shape. 15 (corresponding to the expanding portion 15). The conical portion 15 is formed with a flange portion 17 that extends horizontally from the upper end of the conical portion 15 to the outside, and has an annular shape. The upper surface of the flange portion 17 has a circle of substantially the same size as the outer periphery of the flange portion 17. A plate 14 is provided. In addition, the conical surface of the conical portion 15 is formed with several embossed portions 16.

On the other hand, the upper support 5 has the disk 14
A plate-shaped placing portion 30 placed on the upper surface of the table and this placing portion 3
A plate-shaped holding portion 31 formed by bending upward from both end portions of 0.
In the vicinity of the lower part of the center of these holding portions 31, the lower end portion is left to be hollowed out in a U shape, and the hollowed out plate piece is horizontally projected from the placing portion 30 to form the protruding piece 18. There is. A rubber sheet 36 is adhered to the inner surfaces of the placing portion 30 and the holding portion 31. Further, the pressing metal 6 is a rectangular plate body, a circular hole 25 is provided in the center thereof, and the left and right ends are provided with a slight step upward to form a mounting portion 26.

When assembling the floor support device, the lower support base 4 is attached to the upper ends of the support bolts 3, but washers 12 and nuts 11 are used to prevent the support bolts 3 from loosening due to vibration of the floor. After the nut portion 13 of the lower support base 4 is screwed, the nut 11 is fastened to the nut portion 13 via the washer 12. Next, while inserting the hole 25 of the holding metal fitting 6 from the lower end portion of the support bolt 3, the upper support base 5 is placed on the upper surface of the lower support base 4 and is provided on the projecting piece 18 of the upper support base 5. Align the hole 37 that is formed with the hole 27 of the mounting portion 26 of the holding metal fitting 6, and insert the bolt 20
While tightening the nut 29 and sandwiching the flange portion 17 of the lower support base 4 between the upper support base 5 and the press fitting 6,
Hold it loosely.

On the other hand, the support bolt 3 having the nut 10 and the washer 9 previously fitted in the lower portion of the support bolt 3 is screwed into the nut portion 8 of the support leg 2, and the support bolt 3 is erected on the support leg 2. Then, when the nut portion 13 of the lower support base 4 is rotated by means of a tool or the like, the lower support base 4 is sandwiched between the upper support base 5 and the holding metal fitting 6, but is loosely fixed as described above. As a result, the lower support base 4 freely rotates between the upper support base 5 and the holding metal fitting 6. Also,
The lower end of the support bolt 3 is housed up to approximately the lower end of the support leg 2, and when adjusting the height of the floor support device, the support bolt 3 is moved up and down with respect to the support leg 2 to a required height. The height of the lower support 4 is adjusted, and the height of the lower support 4 is finely adjusted.

When the floor surface of a building is constructed using the floor supporting apparatus, first, the floor supporting apparatus is assembled and adjusted to a required height as shown above.
Then, as shown in FIGS. 2 and 4, floor support devices are arranged on the base surface 1 at a predetermined interval, and screws or the like are inserted into the holes 22 and driven into the base surface 1 and the seat plate 21 is placed on the base surface 1. Fixed to.

Next, the hauling member 24 is bridged between the floor supporting devices, and the hauling member 24 is placed on the mounting portion 30 of the upper support 5. After that, the height of the floor supporting device is adjusted. To do. When adjusting the height, a nut or the like 13 of the lower support base 4 is turned by using a tool or the like to move the nut portion 13 up and down. At this time, the lower support base 4 is in a state of being sandwiched between the upper support base 5 and the pressing metal fitting 6, but can freely rotate when the bolt 20 is loosened.

After adjusting the height of the floor support device, the nut 1
Tighten 1 to the nut part 13 side to prevent loosening. Then, the bolt 20 is tightened to fix the upper support 5 to the lower support 4. Further, both holding portions 3 for holding the pulling material 24
The long shaft bolt 19 is inserted into the hole 28 provided in the upper portion of the No. 1 and the nut 29 is tightened to fix the hauling member 24. After that, a joist 32 is placed on the hauling material 24, and a base material 33 and a floor material 34 are laid in order to finish.

In this way, the floor constructed using the floor supporting apparatus according to the present embodiment has a high load bearing strength, but when the load bearing strength of the floor is further required, For example, a new floor supporting device can be provided between adjacent floor supporting devices. In this case, the corresponding large pulling material 2
The floor support device is arranged under 4 and fixed on the foundation surface 1, then the nut portion 13 is turned to move the lower support base 4 up and down to adjust the height, and then the bolt 20 is fixed. The upper support 5 may be fixed by tightening it, and the long shaft bolt 19 may be tightened to fix the hauling member 24.

On the other hand, when changing the position of the floor support device that has already been laid, the long shaft bolts 19 and 20 are used.
The floor support device can be removed by removing the bottom support base 4 by turning the nut portion 13 to slightly lower the lower support base 4 and removing the seat plate 21 from the base surface 1.

Therefore, according to this embodiment, since the nut 8 is fixed to the lid 7 at the upper end of the support leg 2 by welding, it is necessary to provide the support leg 2 with the through window 48 or the like in the conventional example. Therefore, there is no possibility that the supporting leg 2 will be buckled by a weight impact. In addition, the lower support base 4 has a nut portion 13
The conical portion 15 that expands outward in the shape of an inverted cone and the flange portion 17 that horizontally extends outward from the upper end of the conical portion 15 are provided on the conical surface of the conical portion 15. Since the embossed portion 16 is formed at several places, the flange portion 17
Is strongly supported by the conical portion 15 and the flange portion 17 supports the upper support base 5 as a whole, so that a floor support device having a strength capable of supporting a heavy load and having a load bearing strength is obtained.

Further, since the lower support base 4 and the upper support base 5 are fixed by pressing with the holding metal fitting 6, the lower support base 4 can be freely rotated by loosening the bolt 20 for pressing the holding metal fitting 6. The height can be easily adjusted.

Then, for example, after the floor supporting devices according to this embodiment are arranged at both ends of the hauling member 24 to adjust the height, the floor supporting devices may be retrofitted to the middle portion of the hauling member 24. In addition, or when it is necessary to change the position of the floor support device, the floor support device can be easily removed and added and the workability is improved.

Further, since the circular hole 25 provided in the central portion of the pressing metal fitting 6 is fitted into the conical portion 15 of the lower support base 4, the position of the pressing metal fitting 6 is restricted by the conical portion 15. Was always fixed, and the mounting positions of the upper support 5, the lower support 4, and the holding metal 6 were accurate.

Although the lower support base 4 is screwed to the support bolt 3 in the above-described embodiment, the nut portion 13 is attached to the support bolt 3 by welding or the like, and is attached to the upper end portion of the support bolt 3. The lower support base 4 may be fixed. In this case, the washer 12 and the nut 11 are unnecessary,
When adjusting the height of the floor support device, the lower support base 4 is rotated to move the support bolts 3 up and down with respect to the support legs 2 for adjustment.

[0025]

[Effect of the Invention] The operation of the present invention will now be described.
As described above, according to the floor support device of the present invention, the support bolt 3 is erected on the support leg 2 so as to be adjustable in height.
And a lower support base 4 having a widened portion 15 and a flange portion 17 which are integrated with the nut 13 and are spread obliquely upward from the nut 13 in a conical shape, and a holding portion 31 for holding a large pulling member 24.
And an upper support 5 having holes 25 in the lower support 4
The mounting portion 3 of the upper support 5 fitted into the expanding portion 15 of the
Since 0 and 0 are pressed and fixed by the stoppers 20 and the press fitting 6 for pressing the upper support base 5 to the lower support base 4 is adopted, it is necessary to provide the support leg 2 with the through window 48 and the like according to the conventional example. Since the upper support 5 is strongly supported by the expansion portion 15 while the original strength of the support leg 2 is sufficiently secured, the floor support device having sufficient load resistance against a heavy load. was gotten.

Further, there is an effect that the height of the lower support base 4 can be easily adjusted only by loosening the pressing force of the stopper 20.

[Brief description of drawings]

FIG. 1 is a partial cross-sectional view of a floor support device according to an embodiment of the present invention.

FIG. 2 is a perspective view of a floor supporting apparatus according to an embodiment of the present invention.

FIG. 3 is an exploded perspective view of the floor supporting apparatus according to the embodiment.

FIG. 4 is a diagram showing a construction state of the floor supporting apparatus according to the embodiment.

FIG. 5 is a view showing a floor support device according to a conventional example,
(A) shows a sectional view and (b) shows a perspective view.

[Explanation of symbols]

 1 Foundation Surface 2 Support Leg 3 Support Bolt 4 Lower Support Stand 5 Upper Support Stand 6 Holding Metal Fitting 7 Lid 15 Expanding Part (Cone Part) 17 Flange Part 24 Large Pull Material 30 Mounting Part 31 Holding Part

Claims (1)

[Scope of utility model registration request] 1. A cylindrical support leg (2) placed on a foundation surface (1) of a building, and a height adjustment by being screwed into a lid (7) closing the upper end of the support leg (2). and capable erected the support bolt (3), mounted on top of the support bolt (3), the support Bol
A nut (13) having a tool engaging portion that is screwed with the
It is integrated with this nut (13) and tilted from the nut (13).
And the expanding portion (15) that is expanded upward in a conical shape
The upper part of the opening (15) extends horizontally horizontally and has a circular upper surface.
Lower support (4) having a shaped flange (17 )
And a mounting portion (3 mounted on the upper surface of the lower support base (4).
0) and an upper support base (5) having a holding portion (31) that is bent upward from both ends of the mounting portion (30) and holds the pulling material (24), and a circular hole. (25), and this hole (25) is
The above is fitted into the expanding portion (15) of the lower support base (4).
Push the mounting part (30) of the part support base (5) with the stopper (20).
Press and fix the upper support (5) to the lower support (4).
A floor support device having a holding metal fitting (6) to be worn .