JPH08326274A - Double floor - Google Patents

Abstract

PURPOSE: To increase the strength of a double floor without changing thickness, size and quality of a main body panel. CONSTITUTION: Among four corners of a rectangular frame body 1, male type interlock sections are respectively provided to adjacent two corners or opposite two corners. Female type interlock sections corresponding to the male type interlock sections are respectively provided to the other two corners. The male type interlock section in one corner of one of adjacent frame bodies 1 is interlocked with the female type interlock section in one corner of the other of frame bodies 1 each other, and positioning members 4 connected in the shape of a grid are laid on a floor slab 5. A main body panel 7 and an end panel 8 provided to the perimeter of the main body panel 7 are mounted on support blocks 6 provided to the corners of the frame bodies 1. A plurality of roughly V-shaped cross plates 9 in a plane view are mounted on the rear of the main body panel 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a double floor constructed by installing a large number of panel bodies on a floor slab via pillar blocks.

[0002]

2. Description of the Related Art In recent years, a double floor constructed by installing a large number of panel bodies on a floor slab via a pillar block has been provided. In these double floors, the main body panel is installed and laid on the support leg block, but normally the four-point support of the support leg block makes the main body panel low in load bearing capacity. There is. In order to solve this problem, methods such as increasing the thickness of the steel plate forming the main body panel or changing the material to a high-tensile steel plate are taken.

[0003]

However, in the conventional example as described above, there is a problem that the weight of the panel itself is significantly increased and the burden on the construction operator is increased.
There is a problem that the burden on the building itself to be constructed increases and the product cost also increases. The present invention is intended to solve the above problems, and an object of the present invention is to provide a double floor capable of increasing the strength without changing the thickness dimension or material of the main body panel.

[0004]

In order to achieve the above object, according to the invention of claim 1, among the four corners of the rectangular frame 1, two adjacent two corners or two diagonal corners are malely engaged. The respective parts 2 are provided, the female engagement parts 3 corresponding to the male engagement parts 2 are respectively provided at the other two corners, and the male engagement part 2 at one corner of the adjacent one frame 1 and the other one Positioning members 4 connected to each other in a lattice shape by engaging with the female engaging portions 3 at one corner of the frame 1 are laid on the floor slab 5, and a pillar block installed at the corner of each frame 1 In the double floor formed by mounting the main body panel 7 and the end panel 8 installed in the peripheral portion of the main body panel 7 on the body 6, a plurality of cross plates 9 having a substantially V shape in plan view are provided on the back surface of the main body panel 7. It is characterized by being provided.

According to a second aspect of the present invention, in the first aspect, a gap 10 is provided between the cross plates 9 including the central portion, and the wiring can be inserted into the gap 10. is there. In the invention of claim 3, claim 1
In the above, the thickness dimension of the main body panel 7 including the cross plate 9 is set smaller than the height dimension of the column block 6.

The invention of claim 4 is characterized in that the four corners of the main body panel 7 engaged with the support block 6 in claim 3 are plastically deformable. The invention of claim 5 is characterized in that the receiving part 12 for receiving the flange 11 formed at the end of the end panel 8 in claim 1 is formed at the end of the main body panel 7.

The invention of claim 6 is characterized in that the damping rubber 13 is arranged between the joint portion of the main body panel 7 and the end panel 8 in claim 5. The invention of claim 7 is characterized in that the cross plate 9 according to claim 1 can be bent and cut out. In the invention of claim 8, the plurality of cross plates 9 provided on the back surface of the main body panel 7 in claim 1 are the beads 1 respectively.
4 is formed and has the same shape.

According to a ninth aspect of the present invention, a large number of reinforcing ribs 15 are arranged side by side at predetermined intervals along the longitudinal direction of the end panel 8 formed in the strip shape in the first aspect, and the longitudinal end portions are arranged. It is characterized in that the intervals between the adjacent reinforcing ribs 15 located at the side and the intermediate portion are made close. The invention of claim 10 is characterized in that the positioning member 4 can be fixed to the floor slab 5 by an anchor bolt through the anchor bolt hole 16 drilled in claim 1.

The invention of claim 11 is characterized in that the positioning member 4 is provided with a confirming portion 18 for confirming the reference line 17 provided on the floor slab 5 in claim 1. The invention of claim 12 is characterized in that the pillar block 6 can be fixed to the floor slab 5 by anchor bolts through the anchor bolt holes 16 drilled in claim 1.

According to the thirteenth aspect of the present invention, in the first aspect, the connecting bolt 19 is projected from the male engaging portion 2 of the positioning member 4, and the column block 6 is provided with the through hole 20 through which the connecting bolt 19 is inserted. The positioning member 4 and the pillar block 6 are installed.
It is characterized in that and can be connected by a fixing nut 21. A fourteenth aspect of the invention is characterized in that, in the first aspect, the base plate 22 of the pillar block 6 is provided with an installation hole 23 for installing the adjuster bolt.

According to a fifteenth aspect of the present invention, in the first aspect, a plurality of slits 24 are provided in the base plate 22 of the strut block 6 toward the outside of the central portion of the base plate 22, and the base plate is extended from the ends of the respective slits 24 toward the central portion. It is characterized in that the distance to the center of 22 is made equal.

[0012]

Thus, the plurality of cross plates 9 having a substantially V shape in plan view provided on the back surface of the main body panel 7 can increase the strength without changing the thickness dimension and the material of the main body panel 7.

[0013]

The present invention will be described below in detail based on the illustrated embodiments. The double floor according to the present invention employs a support leg separation system in which a floor panel 30 and a pillar block 6 are separated as shown in FIG.
And an end panel 8 installed on the periphery of the main body panel 7, and a groove wiring system is used in which the end panel 8 covers the groove between adjacent main body panels 7.

The pillar blocks 6 are arranged at respective intersecting portions of the positioning member 4 which intersects each other vertically and horizontally in a lattice pattern. As shown in FIG. 9, the positioning member 4 is provided with male engaging portions 2 at two adjacent corners or two diagonal corners of the four corners of the rectangular frame body 1, and the male engaging portions 2 are provided at the other two corners. A female engaging portion 3 corresponding to the die engaging portion 2 is provided, and a male engaging portion 2 at one corner of one adjacent frame body 1 and a female engaging portion 3 at one corner of the other frame body 1 adjacent to each other. Are engaged with each other and connected in a grid pattern. A positioning protrusion 31 is projected from one end of the frame body 1, and a fitting hole 32 into which the positioning protrusion 31 is fitted is bored in the other end portion of the frame body 1, and the positioning protrusion 3 is formed.
1 forms the male engaging portion 2 and the fitting hole 32 forms the female engaging portion 3 so that the positioning protrusions 31 are engaged with the fitting hole 32 so that the respective frame bodies 1 are mutually connected. Are linked to.
Here, the connecting bolt 19 may be provided so as to project as the positioning protrusion 31.

The positioning member 4 is provided with anchor bolt holes 16 as shown in FIG. 9, and the positioning member 4 can be fixed to the floor slab 5 by anchor bolts through the anchor bolt holes 16. You can do it. Further, as shown in FIGS. 10 and 11, the positioning member 4 has a confirmation section 18 for confirming a reference line 17 provided on the floor slab 5 when the positioning member 4 is installed on the floor slab 5. It is provided.

In the structure shown in FIG. 10, a confirmation portion 18 is formed by providing an opening 18a in the frame 1 which constitutes the positioning member 4, and the frame 1 is formed at the opening edge of the opening 18a. Scale lines 33 are provided so as to be parallel to the longitudinal direction of the. Then, the positioning member 4 is placed on the reference line 17.
By arranging and aligning the reference line 17 and the scale line 33 located in the confirmation portion 18, the frame 1 can be accurately arranged along the reference line 17.

In the structure shown in FIG. 11, the frame 1
The two cutouts 18b are provided at the ends of the frame 1, and the frame 1 is accurately aligned along the reference line 17 by aligning the reference line 17 with the back end of each cutout 18b at the corner of the reference line 17. It can be placed in. The floor panel 30 includes a main body panel 7 formed of a thin plate material, and an end panel 8 arranged around the main body panel 7.
The subject is composed of and.

The end panel 8 formed of a thin plate material is a strip-shaped first end panel 8a arranged along the outer edge of the main body panel 7 and a corner portion between adjacent first end panels 8a. The main body is configured with the second end panel 8b arranged at.
As a material of the main body panel 7 and the end panel 8 which form the floor panel 30, wood, hard plastic, aluminum plate or the like is arbitrarily used. Notches 34 are provided at four corners of the main body panel 7 and each end panel 8 constituting the floor panel 30, and the notches 34 are provided so as to project from the upper portions of the support legs 35 of the pillar block 6 which will be described later. Support support 3
6 is engaged.

As shown in FIG. 2, the main body panel 7 is made of a thin plate material, and a plurality of cross plates 9 having a substantially V shape in plan view are provided on the back surface. A gap 10 is provided between adjacent cross plates 9 including the central portion, and wiring can be inserted into the gap 10. Each of the cross plates 9 has the same shape in which the bead 14 is formed, and a plurality of cross plates 9 can be used in common and the manufacturing and mounting workability can be improved.

To attach the cross plate 9 to the back surface of the main body panel 7, a part of the cross plate 9 is cut out as shown in FIG. 3 to form a cut-and-raised piece 40 as shown in FIG. 3 (b). The cross plate 9 can be attached to the back surface of the main body panel 7 by attaching the projection piece 41 formed of the cut and raised piece 40 to the back surface of the main body panel 7 by welding, or as shown in FIG. 4 is provided with a projecting piece 41 that partially protrudes outward, the projecting piece 41 is bent at a substantially right angle as shown in FIG. 4B, and the projecting piece 41 is welded to the back surface of the main body panel 7. The cross plate 9 is attached to the back surface of the main body panel 7 by attaching the cross plate 9 to the back surface of the main body panel 7. Here, in FIG. 3A and FIG. 4A, the reference numeral "a" has a narrow width, and this portion can be easily cut by bending the pliers, nippers or the projecting piece 41 plural times. It is possible to easily cut and remove any one of the plurality of cross plates 9 by separating the projecting piece 41 from the cross plate 9, and the end of the main body panel 7 performed after removing the cross plate 9 It is possible to improve the workability of cutting the part.

The thickness dimension of the main body panel 7 including the cross plate 9 is set smaller than the height dimension of the column block 6, and as shown in FIG. 5, the unevenness 4 is formed on the floor slab 5.
Even if 2 is formed, the main body panel 7 can be installed together with the cross plate 9 without being affected by the unevenness 42, and the ability to cope with unevenness is high. A large number of reinforcing ribs 15 are arranged side by side at predetermined intervals along the longitudinal direction on the strip-shaped first end panel 8a that constitutes the end panel 8, and at the end portion side and the middle portion in the longitudinal direction. The distance between the adjacent reinforcing ribs 15 located is close, and the end panel 8
It is possible to particularly improve the bending strength of the end portion side and the intermediate portion in the longitudinal direction of the first end portion panel 8a constituting the above.

Body panel 7 engaged with strut block 6
The four corners of the main panel are plastically deformable. When a load is first applied after installation, the four corners of the main panel are plastically deformed and the main panel 7 sinks to the floor slab 5 side. It is installed in a state where it is possible to prevent a fluffy walking sensation from occurring and to ensure a comfortable walking sensation. Here, as shown in FIG.
As shown in FIG. 3, a large number of through holes 43 are formed so as to be adjacent to each other, and the four corner portions of the main body panel 7 can be plastically deformed by the large number of through holes 43.

A receiving portion 12 is provided at the end of the main body panel 7, and a flange 11 formed at the end of the end panel 8 is placed on the receiving portion 12 as shown in FIG. It is like this. Here, the damping rubber 13 may be arranged between the joint portion of the main body panel 7 and the end panel 8, and the vibration damping rubber 13 can be used to absorb the vibration. Therefore, it is possible to improve quietness when walking.

As shown in FIG. 1, the pillar block 6 is mainly constituted by projecting support legs 35 upward from the upper surface of the thin plate-like base plate 22, and the floor panels 30 are formed on the support legs 35. The end of the is placed. As shown in FIG. 12, a cross-shaped strip-shaped sheet storage rib 44 is formed on the base plate 22 so as to partition the four corners of the base plate 22. The strip-shaped sheet body storage ribs 44 are formed by integrally projecting the base plate 22 upward.
An accommodating portion 45 in which the positioning member 4 is accommodated and arranged is formed below the strip-shaped sheet accommodating rib 44. Due to the existence of the strip-shaped sheet storage ribs 44, the base plate 2
The strength against bending of No. 2 is improved. Here, the connecting bolt 19 is attached to the base plate 22.
It is also possible to form a through-hole 20 through which the through hole is inserted and to connect the positioning member 4 and the base plate 22 of the support block 6 with the fixing nut 21.

The support legs 35 are provided so as to project above the four corners of the base plate 22. There is power between each support leg 35,
A wiring space 46 is formed in which wiring such as information, a telephone, and a power supply line is inserted and arranged. As shown in FIG. 13, installation holes 23 for installing the adjuster bolts are provided at the four corners of the base plate 22, and the support block 6 can be installed on the floor slab 5 using the adjuster bolts. Thus, by using the adjuster bolt in this way, it is possible to install the strut block 6 while slightly adjusting the vertical height when installing the strut block 6, and it is possible to improve the installation accuracy of the strut block 6. .

Further, the base plate 22 is provided with a plurality of slits 24 toward the outside from the central portion, and the intervals from the end portions of the respective slits 24 near the central portion to the central portion of the base plate 22 are made equal. There is. By providing the slits 24 and dividing the base plate 22 into four in this way, it is possible to deform the ends of the base plate 22 in the same manner and deal with unevenness on the floor slab 5. , It is possible to further improve the uniformity of the response to the rough terrain.

Anchor bolt holes 16 are formed in the base plate 22, and the anchor bolt holes 1 are formed.
It is also possible to fix the support block 6 to the floor slab 5 with anchor bolts via 6. Then, when installing the floor panel 30, the positioning members 4 are laid on the floor slab 5 so as to cross vertically and horizontally as shown in FIG. 1, and the pillar blocks 6 are installed at the ends of the positioning members 4. Then, the main body panel 7 is installed so that the four corners are placed on the support legs 35 of the adjacent pillar blocks 6. Then, by installing the first end panel 8a and the second end panel 8b as the end panel 8 so as to be located between the adjacent main body panels 7, the floor panel 30 in a state of floating on the floor slab 5 is installed. Is to be installed.

Since a plurality of V-shaped cross plates 9 in plan view are provided on the back surface of the main body panel 7, the strength can be increased without changing the thickness dimension and material of the main body panel 7, and the floor can be improved. The load resistance of the panel 30 can be made high.

[0029]

According to the invention of claim 1, since a plurality of V-shaped cross plates in plan view are provided on the back surface of the main body panel, the strength can be increased without changing the thickness dimension and the material of the main body panel. It is possible. According to the invention of claim 2, a gap is provided between the cross plates, including the central portion, and the wiring can be inserted into this gap. Wiring can be performed even on the back surface of the main body panel, which is difficult to work, and the wiring work can be facilitated and the wiring installation capacity can be increased.

According to a third aspect of the present invention, the thickness dimension of the main body panel including the cross plate is set smaller than the height dimension of the column block in the first aspect.
In addition to the effect of the above, even if unevenness is formed on the floor slab, it is possible to install the main body panel together with the cross plate without being affected by the unevenness, and it is possible to have a high ability to respond to unevenness Is.

According to the invention of claim 4, the four corners of the main body panel engaged with the support block in claim 3 can be plastically deformed. Therefore, in addition to the effect of claim 3, it is possible to install the first load. When the four corners of the main body panel are plastically deformed when added, the main body panel is installed in a state of sinking to the floor slab side, preventing a fluffy walking feeling from occurring and giving a comfortable walking feeling. It can be secured.

According to the invention of claim 5, in addition to the effect of claim 1, the receiving portion for receiving the flange formed at the end of the end panel in claim 1 is formed at the end of the main body panel. The supporting strength of the end panel can be made higher than that without the flange or without the structure of mounting the flange on the main body panel. In the invention of claim 6, since the damping rubber is arranged between the joint portion of the main body panel and the end panel in claim 5, in addition to the effect of claim 5, vibration can be absorbed by the damping rubber. That is, it is possible to improve the quietness during walking.

According to the invention of claim 7, since the cross plate can be bent and cut out in claim 1, in addition to the effect of claim 1, any one of the plurality of cross plates can be easily cut and removed. Thus, the workability of cutting the end portion of the main body panel after removing the cross plate can be improved. According to the invention of claim 8, in addition to the effect of claim 1, a plurality of cross plates used in addition to the effect of claim 1, since the plurality of cross plates provided on the back surface of the main body panel in claim 1 have the same shape with beads formed respectively. Can be standardized, and manufacturing and mounting workability can be improved.

According to a ninth aspect of the present invention, a plurality of reinforcing ribs are arranged in parallel at predetermined intervals along the longitudinal direction of the end plate formed in the shape of a strip plate in the first aspect. Since the spacing between the adjacent reinforcing ribs located in the middle portion is made close, the bending strength of the end portion in the longitudinal direction of the end panel and the middle portion can be particularly improved in addition to the effect of claim 1. It is a thing.

According to the tenth aspect of the invention, the positioning member can be fixed to the floor slab by the anchor bolt through the anchor bolt hole formed in the first aspect.
In addition to the effect of claim 1, it is possible to improve the attachment strength of the positioning member to the floor slab,
It is possible to improve the earthquake resistance and the quietness during walking.

According to the eleventh aspect of the present invention, since the positioning member is provided with the confirmation portion for confirming the reference line provided on the floor slab in the first aspect, in addition to the effect of the first aspect, the reference line is added. The positioning member can be installed in a correct position by making them coincide with each other, and the construction accuracy of the positioning member can be improved. According to the invention of claim 12, the strut block can be fixed to the floor slab by the anchor bolt through the anchor bolt hole formed in claim 1. Therefore, in addition to the effect of claim 1, the strut for the floor slab is provided. The block mounting strength can be improved, and the earthquake resistance and the quietness during walking can be improved.

According to a thirteenth aspect of the present invention, in the first aspect, the connecting bolt is projected from the male engaging portion of the positioning member, and the column block is provided with a through hole through which the connecting bolt is inserted.
Since the positioning member and the strut block can be connected by the fixing nut, in addition to the effect of claim 1, the strut block and the positioning member can be securely and firmly connected, and the seismic resistance and walking are ensured. It is possible to improve the quietness of time.

According to the fourteenth aspect of the present invention, the base plate of the strut block in the first aspect is provided with an installation hole for setting the adjuster bolt. It can be installed on the floor slab, and by using the adjuster bolts in this way, it is possible to install while adjusting the vertical height slightly when installing the support block, improving the installation accuracy of the support block. It can be done.

According to a fifteenth aspect of the present invention, in the first aspect, a plurality of slits are provided on the base plate of the column block toward the outside from the central portion of the base plate, and from the end portion near the central portion of each slit to the central portion of the base plate. Since the intervals are made equal, in addition to the effect of claim 1, the end portions of the base plate can be deformed in the same manner to deal with unevenness on the floor slab, and the uniformity of unevenness can be dealt with. Can be further improved.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a perspective view of a main body plate turned upside down.

3A and 3B show an embodiment of a projecting piece provided on a cross plate, FIG. 3A is a partial front view, and FIG. 3B is a side view.

4A and 4B show another embodiment of the projecting piece provided on the cross plate, FIG. 4A is a partial front view, and FIG. 4B is a side view.

FIG. 5 is a cross-sectional view showing an arrangement state of a cross plate.

FIG. 6 is a plan view showing another embodiment of the main body panel.

FIG. 7 is a partial cross-sectional view showing an installed state of a main body panel and an end panel.

FIG. 8 is a plan view showing an arrangement state of reinforcing ribs provided on the end plate.

FIG. 9 is a perspective view showing an installed state of a positioning member.

FIG. 10 is a partial plan view showing an example of a confirmation unit.

FIG. 11 is a partial plan view showing another embodiment of the confirmation unit.

FIG. 12 is a cross-sectional view showing a connected state of a positioning member and a support block.

FIG. 13 is a plan view showing a base plate of a column block.

[Explanation of symbols]

 1 Frame 2 Male Engagement Part 3 Female Engagement Part 4 Positioning Member 5 Floor Slab 6 Strut Block 7 Body Panel 8 End Panel 9 Cross Plate 10 Gap 11 Flange 12 Receiving Part 13 Damping Rubber 14 Bead 15 Reinforcing Rib 16 Hole for Anchor Bolt 17 Reference Line 18 Confirmation Section 19 Connecting Bolt 20 Through Hole 21 Fixing Nut 22 Base Plate 23 Installation Hole 24 Slit

Claims (15)

[Claims] 1. A male engaging portion is provided at each of two adjacent or diagonal two corners of the four corners of a rectangular frame body, and a female portion corresponding to the male engaging portion is provided at each of the other two corners. Positioning members provided with mold engaging portions, and the male engaging portions at one corner of one adjacent frame body and the female engaging portions at one corner of the other frame body are engaged with each other to be connected in a lattice pattern. In a double-floor structure in which a main panel and end panels installed around the main panel are placed on pillar blocks installed in the corners of each frame, the main panel A double floor characterized by comprising a plurality of substantially V-shaped cross plates in plan view on the back surface of the double floor. 2. The double floor according to claim 1, wherein a gap is provided between the cross plates, including the central portion, and wiring can be inserted into the gap. 3. The double floor according to claim 1, wherein the thickness dimension of the main body panel including the cross plate is set smaller than the height dimension of the column block. 4. The double floor according to claim 3, wherein the four corners of the main body panel engaged with the column block are plastically deformable. 5. The double floor according to claim 1, wherein a receiving portion for receiving a flange formed at an end portion of the end panel is formed at an end portion of the main body panel. 6. The double floor according to claim 5, wherein a damping rubber is arranged between the joints between the main body panel and the end panels. 7. The double floor according to claim 1, wherein the cross plate can be bent and cut. 8. The double floor according to claim 1, wherein the plurality of cross plates provided on the back surface of the main body panel have the same shape with beads formed respectively. 9. A plurality of reinforcing ribs are arranged side by side at predetermined intervals along the longitudinal direction of an end panel formed in a strip shape, and adjacent reinforcing ribs are located on the end side and the intermediate part in the longitudinal direction. The double floor according to claim 1, wherein the double floors are closely spaced. 10. The double floor according to claim 1, wherein the positioning member can be fixed to the floor slab with the anchor bolt through the hole for the anchor bolt that has been drilled. 11. The double floor according to claim 1, wherein the positioning member is provided with a confirmation portion for confirming a reference line provided on the floor slab. 12. The double floor according to claim 1, wherein the pillar block can be fixed to the floor slab with the anchor bolt through the hole for the anchor bolt. 13. A connecting bolt is projected from the male engaging portion of the positioning member, a through hole is formed in the strut block for inserting the connecting bolt, and the positioning member and the strut block are connected by a fixing nut. The double floor according to claim 1, wherein the double floor is enabled. 14. The double floor according to claim 1, wherein an installation hole for installing an adjuster bolt is provided in the base plate of the column block. 15. The base plate of the column block is provided with a plurality of slits outward from the center of the base plate, and the intervals from the ends of the slits toward the center to the center of the base plate are equalized. The double floor according to claim 1.