JPH1113265A - Column structure for double floor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To firmly secure a floor panel on a pathway where people frequently walk and easily take it off on other places where wrings are required. SOLUTION: A column structure has a column 3 standingly provided at the center of a substrate 1 with a male screw 2 applied thereto, a panel support 4 to be screwed at the upper part of the column 3 and a rotation preventing means 23 for the panel support 3. The panel support 4 is formed with four settings 8 arranged in the transverse direction around a through-hole 6, in which a female screw 5 is made to be secreted to the column 3, to support the corners of four floor panels. In the through-hole 6 in the panel support 4 in which the female screw 5 is made, a locking means 10 having a panel holder 9 to hold the corners of the floor panels supported on the settings 8 by screwing and a cover means 11 engaged in a disengageable manner to block the through-hole 6 are mounted in a replaceable manner.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a double-floor support structure called a free access floor.

[0002]

2. Description of the Related Art Conventionally, as shown in, for example, Japanese Patent Application Laid-Open No. 5-13820, a column with male threads is erected at the center of a substrate, and a flat floor plate receiving plate is supported on the column. , Each corner of the four floor panels is placed and supported on the floor plate receiving plate, the shaft of the floor plate tightening cap is screwed to the head of the column, and the floor is sandwiched between the floor plate receiving plate and the floor plate tightening cap. It is known to support them.

[0003]

However, in the above-mentioned conventional example, all floor panels are screwed to the heads of the pillars at the corners on the entire surface of the floor including the passage portion, and the floor plate is tightened by caps. It is pressed down and supported, so it certainly plays a role in preventing floor panel rattling in passages, etc., but in parts other than passages, turn over the floor panel after construction and carry out wiring work. In each case, for example, it is necessary to unscrew the floor plate fastening cap and remove it, and then turn over the floor panel to perform wiring work, which is troublesome.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and has a locking means and a lid means which are selectively mounted in a through-hole having a female thread, so as to form a passage. Where people walk frequently, firmly attach the floor panel, and where wiring is required in non-passage areas,
An object of the present invention is to provide a double-floor strut structure in which a floor panel can be easily turned.

[0005]

According to the present invention, there is provided a double-floor column structure, comprising a column 3 provided with a male screw 2 erected at the center of a substrate 1, and a panel screwed to the upper portion of the column 3. Receiving 4
And the rotation preventing means 23 of the panel receiver 4.
The panel receiver 4 includes four pedestals 8 arranged at right angles to support each corner of the four floor panels 7 around a through hole 6 in which the female screw 5 screwed to the column 3 is cut. And a panel holding portion 9 for holding a corner of a floor panel 7 supported by a pedestal 8 by being screwed into a through hole 6 in which the female screw 5 of the panel receiver 4 is cut. It is characterized in that the locking means 10 provided and the lid means 11 for detachably engaging and closing the hole of the through hole 6 are interchangeably mounted. With such a configuration, the locking means 1 is inserted into the through hole 6 where the female screw 5 is cut.
By selecting whether to attach the cover means 11 by screwing or to attach the cover means 11 by engagement, in a passage or the like,
The locking means 10 is screwed into the through hole 6 in which the female screw 5 has been cut and attached, and four floor panels 7 supported on four pedestals 8
The floor panel 7 can be supported so that it does not rattle by pressing each corner of the panel with the panel pressing portion 9 of the lock means 10. In the place where the wiring is performed, the female screw 5 is cut through. By engaging and attaching the lid means 11 to the hole 6, the through-hole 6 cut with the female screw 5 is closed so that no dent is formed in the portion of the through-hole 6. Since the lid means 11 is simply attached to the cut through hole 6 by engagement, the floor panel 7 supported on the pedestal 8 with the lid means 11 attached or with the lid means 11 attached simply removed by engagement. Can be turned.

Also, four pedestals 8 arranged at right angles to each other are provided around the through hole 6 with a gap 12 for fitting the leading edge locking step 39 at the corner of the floor panel 7 therebetween. Is preferred. With such a configuration, the floor panel 7
By locking the leading edge locking step 39 at the corner of the space 12 in the gap 12, positioning and locking of the floor panel 7 supported by the pedestal 8 can be performed.

The locking means 10 is provided with a through hole 6 in which the female screw 5 of the panel receiver 4 is cut on the lower surface of the panel holding portion 9.
And a rotary operation groove 14 provided at the center of the upper surface of the panel holding portion 9, and the rotation operation groove 14 is provided with a blade 15 of an electric flathead screwdriver.
In this case, the contact is made with the contact portion 16 for the electric flathead screwdriver provided at the upper end of the groove.
In the case of (1), the groove is formed so as to be in contact with the contact portion 18 for the manual screwdriver provided at the lower end of the groove, and in the case of the coin 19, the contact is made with the coin abutment portion 20 provided in the middle of the groove. Is preferred. With this configuration, even if any of the blade 15 of the electric flathead screwdriver, the blade 17 of the manual flathead screwdriver, and the coin 19 are used, the panel holding portion 9 is rotated by inserting it into the rotation operation groove 14 without fail. You can do it.

Further, the lower surface is provided with an engaging projection 38 which engages with the through hole 6 formed by cutting the female screw 5 of the panel receiver 4, and the uppermost edge has a radius of the corner of the floor panel 7. It is preferable that the lid means 11 is formed by providing a semicircular upper surface portion which is fitted on the upper surface 39 and is flush with the upper surface of the floor panel 7. With such a configuration, not only the through hole 6 in which the female screw 5 has been cut by the lid means 11 but also the outer circumference of the semicircular upper surface of the lid means 11 has two out of four floor panels 7. Locking step 39 at the corner of two adjacent floor panels 7
And can be supported by being locked on.

Further, it is preferable to provide a slit 22 or a groove on the cover means 11 for dividing the cover means 11 into two quarters in plan view. With such a configuration, by cutting at the slit 22 or the groove portion, the corner of one floor panel 7 is covered and supported by the outer peripheral portion of the portion of the lid means 11 having a quarter-circle shape in plan view. Is what you can do.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described based on embodiments shown in the accompanying drawings. FIG. 1 shows a column device A. The support device A according to the present invention includes a support 3 provided with a male screw 2 erected in the center of a substrate 1, a panel receiver 4 screwed to an upper portion of the support 3, and a rotation preventing means for the panel receiver 4. 23.

The base 1 is mounted and fixed on a floor base material 28 such as a concrete slab. The panel receiver 4 is provided with four pedestals 8 arranged at right angles through a gap 12 around a central cylindrical portion 34 having a through hole 6 in which a female screw 5 is cut. The lower portions of the pedestals 8 are integrally connected by a connecting piece 24, and a rubber cushioning sheet 25 is laminated on the upper surface of the connecting piece 24. The connecting piece 24 is provided with a hole 24a.

A nut 26 is screwed into the column 3 having the external thread 2 provided on the outer periphery. The nut 26 is provided with a screw hole for communicating the nut 26 inside and outside.
7 is screwed. In addition, a through hole 6 in which the female screw 5 of the panel receiver 4 is cut is screwed to the column 3 having the external thread 2 provided on the outer periphery. Then, the column support 4 is rotated to operate, and the support column 3 provided with the male screw 2 of the through hole 6 in which the female screw 5 is cut is provided.
The height of the panel receiver 4 is adjusted by adjusting the screwing depth of the panel receiver 4. After adjusting the height of the panel receiver 4 in this manner, the nut 26 is rotated to rotate the panel receiver 4.
The panel receiver 4 is prevented from rotating by abutting against the lower end and rotating the screw 27 in this state to press the tip of the screw 27 against the column 3. Therefore, in the present embodiment, the nut 26 having the screw 27 serves as the rotation preventing means 23 of the panel receiver 4.

A locking means 10 having a panel holding portion 9 to be described later is provided in a through hole 6 of the panel receiver 4 where the female screw 5 is cut.
And a lid means 11 for closing the hole of the through hole 6, which will be described later, are attached so as to be replaceable. Figure 1,
8 to 10 show an embodiment of the lid means 11. The lid means 11 has a disc-shaped head 29 having a diameter substantially the same as the outer diameter of the central cylindrical portion 34 of the panel receiver 4 and a vertically extending elastic engaging projection 38 provided at the center thereof. The engagement protrusion 38 is provided with a cutout 31 in a part of the cylindrical portion, and the cutout 31 provides elasticity to the engagement protrusion 38. A projection 38 a is provided on the outer surface of the lower end of the engagement projection 38. Then, the engaging protrusion 38 is fitted into the through hole 6 of the center cylinder portion 34 of the panel receiver 4 where the female screw 5 has been cut, and the protrusion 38 a is elastically engaged with the female screw 5, so that the lid means 1 is formed.
1 is detachably mounted, in this case, the head 2
9 is placed on the upper surface of the central tubular portion 34 to close the through hole 6.

FIG. 14, FIG. 18, FIG. 21, FIG. 24, FIG.
Etc. show an embodiment of the locking means 10. The locking means 10 is configured such that a screwing projection 13 is vertically provided at the center of the lower surface of the disk-shaped panel holding section 9. The disk-shaped panel holding portion 9 has a larger diameter than the head portion 29 of the lid means 11, and the screwing projection 1 of the locking means 10 is provided.
Reference numeral 3 designates an external thread 13a provided on the outer peripheral portion of the cylindrical portion or the column portion, and the external thread portion 13a of the screwing projection portion 13 is fitted into the through hole 6 of the central cylindrical portion 34 of the panel receiver 4 where the female screw 5 is cut. The locking means 10 is attached by engaging with a screw.

The floor panel 7 is, for example, as shown in FIG. 12, in which the outer peripheral portion of the upper surface plate portion 32 projects more outward than the outer side surface portion of the panel main body portion 33, and A locking step 39 having a semicircular shape in a plan view is provided at the foremost portion. The locking step 39 is stepped down so as to be located below the surface of the other part of the floor panel 7. I have. When constructing the double floor, the support device A is attached to the floor base material 28 such as a concrete slab.
8 and is fixed at a constant pitch in the vertical direction and the horizontal direction, respectively, and the corners of the upper surface plate portions 32 of the four floor panels 7 at the respective column device A portions are respectively formed on the panel supports 4 as shown in FIG. It is placed so as to straddle substantially half of the upper surface of the two adjacent pedestals 8 and the locking step 39 at the foremost part at the corner of each floor panel 7 is connected to the central cylindrical portion 34 and each pedestal 8. The floor panel 7 is prevented from shifting in the lateral direction by being fitted into and engaged with the gap 12 between them. In this case, the lower surface of the corner of the panel body 33 of the floor panel 7 is
It is placed on the buffer sheet 25 on the upper surface.

However, in places where humans frequently walk, such as passages, as shown in FIGS. 2 and 3, the through-hole 6 in which the female screw 5 of the central cylindrical portion 34 of the panel receiver 4 is cut is provided. The locking means 10 is mounted by screwing the male screw portion 13a of the screwing projection 13 into the threaded portion 13. The panel holding portion 9 of the locking means 10 thus mounted locks the top end of the corner of the floor panel 7 by locking. The upper surface of the step portion 39 is pressed against, thereby preventing the four floor panels 7 from floating upward.
The floor panel 7 does not rattle during walking.
Here, in a state where the upper surfaces of the locking step portions 39 at the foremost end portions of the four floor panels 7 at the corners of the four floor panels 7 are pressed against each other by the disk-shaped panel holding portions 9, the upper surface of each floor panel 7 and the panel The upper surface of the holding portion 9 is flush with the upper surface. 4 to 6 show a state in which the floor panel 7 in a state where the male screw portion 13a of the screwing projection 13 is screwed into the female screw 5 of the through hole 6 is omitted.

On the other hand, at the place where the underfloor wiring is performed, the lid means 11 is attached instead of the lock means 10, and in this case, as shown in FIGS.
The first engaging projection 38 is fitted into the through-hole 6 of the central cylinder portion 34 of the panel receiver 4 where the female screw 5 is cut, and the projection 38 a is elastically engaged with the female screw 5. By attaching the lid means 11 in this manner, the through hole 6 is covered. Here, in this embodiment, the head 2 of the lid means 11 is used.
9 is placed on the upper surface of the central tubular portion 34, but since the diameter of the head 29 and the outer diameter of the central tubular portion 34 are substantially the same, the topmost portion of the corner of the floor panel 7 Locking step 39 provided on
Is fitted in the gap 12 and is locked, but is not pushed from above by the lid means 11. Therefore, when wiring under the floor, the floor panel 7 is directly turned over, the wiring work is performed, and the wiring work is performed. After that, the corner of the upper surface plate portion 32 of the floor panel 7 is again moved to the two pedestals 8 adjacent to the panel receiver 4.
Of the floor panel 7 and the locking step 39 at the foremost end of the corner of the floor panel 7 with the central cylindrical portion 3.
This is fitted into the gap 12 between the base 4 and the pedestal 8 and engaged therewith. In this way, at the place where the wiring is performed, by closing the through hole 6 by the lid means 11, the opening of the through hole 6 can be closed and the wiring work can be performed by directly turning over the floor panel 7. is there.

As shown in FIGS. 3 and 8, a floor surface finishing member such as a tile carpet 36 is laid on the large number of floor panels 7 laid as described above. By the way, in the center of the upper surface portion of the disc-shaped panel holding portion 9 of the locking means 10, a rotation operation groove 1 for inserting a blade of a flathead screwdriver or a coin to perform a rotation operation is provided.
4 are provided.

In the embodiment shown in FIGS. 14 to 16, the rotation operation groove 14 has a tapered inner surface so that the groove width is wider at the top and narrower at the bottom. The width of the upper end of the rotation operation groove 14 is increased so that the blade 15 of the electric flathead screwdriver can be inserted deeper into the rotation operation groove 14, and the innermost width of the rotation operation groove 14 is the same size as a manual flathead screwdriver. The thickness of the tip of the blade 17 is adjusted. As a result, the blade 15 of the electric flathead screwdriver can be inserted deeper into the groove 14 for rotation operation, so that it is difficult for the blade 15 to come off from the groove 14 for rotation operation during tightening, and the workability is improved. In addition, the upper end of the rotation operation groove 14 is the contact portion 1 for the electric flathead screwdriver.
6, the rotation operation groove 14 is not easily cut off (if there is a gap between the blade 15 of the electric flathead screwdriver and the rotation operation groove 14 as shown in FIG. In the case of rotating with a strong force, the corner of the blade 15 hits the inner surface of the rotating operation groove 14 and is easily shaved. Therefore, the locking means 10 is rotated with a strong force by an electric flathead screwdriver, and the female screw 5 is rotated. Male thread 1 of screwing projection 13 into through hole 6
3a can be screwed or unscrewed.

Also, with a manual flathead screwdriver, the blade 17
Can be inserted to the innermost part of the rotation operation groove 14, so it is difficult to remove from the rotation operation groove 14,
This improves workability. In addition, since the tip of the blade 17 of the manual flathead screwdriver comes in contact with the manual flathead screwdriver abutting portion 18 on the innermost surface of the rotary operation groove 14 with a line, the groove is hard to be scraped off. Then, the locking means 10 can be rotated to screw the male screw portion 13a of the screwing projection 13 into the through hole 6 in which the female screw 5 has been cut, or release the screwing.

The lock means 10 is formed by molding a glass-filled nylon.
The tightening torque of 0 is about 45 kgf · cm. FIGS. 18 to 20 show another embodiment of the rotation operation groove 14 formed in the panel holding portion 9 of the lock means 10. In this embodiment, the rotation operation groove 14 is formed so as to penetrate the panel holding portion 9, and the rotation operation groove 14 has an inner surface tapered as compared with the above-described embodiment.
The groove depth of is deeper. Therefore, in this embodiment, similarly to the above-described embodiment, with the blade 15 of the electric flathead screwdriver inserted deeper into the rotary operation groove 14, the upper end of the rotary operation groove 14 is brought into contact with the electric flathead screwdriver contact part. 16, it is difficult to remove from the rotation operation groove 14 at the time of tightening, and the workability is improved.
The rotation operation groove 14 is not easily scraped. In the case of a blade 17 of a manual screwdriver having the same size, the blade 17 comes into contact with the manual flathead screwdriver contact portion 18 on the inner surface slightly before the depth of the rotary operation groove 14 in a line state. Even if the thickness of the blade 17 of the manual slotted screwdriver is small, the blade 17 can be inserted into the depth of the groove 14 for rotation as shown in FIG. Contact part 1
8 in a line state, and because of the line contact, the groove is difficult to be cut. Therefore, the locking means 10 is rotated with a strong force even by a manual flathead screwdriver, and screwed into the through hole 6 in which the female screw 5 has been cut. The male screw portion 13a of the projection 13 can be screwed or unscrewed.

FIG. 21 to FIG.
Further, another embodiment of the rotary operation groove 14 formed in the panel holding portion 9 is shown. In the present embodiment,
The width of the upper end of the rotation operation groove 14 is increased so that the blade 15 of the electric flathead screwdriver can be inserted deeper into the rotation operation groove 14, and the inner shape of the rotation operation groove 14 is set to the predetermined blade 17 of the manual flathead screwdriver. According to the shape. Therefore, as shown in FIG. 23, the blade 17 of the manual flathead screwdriver is in contact with the abutment portion 18 for the manual flathead screwdriver on the inner surface of the portion corresponding to the shape of the blade 17 of the manual flathead screwdriver at the back of the rotary operation groove 14. Hitting and rotating the locking means 10 with a stronger force to screw the male screw portion 13a of the screwing projection 13 into the through hole 6 in which the female screw 5 has been cut, or to release the screwing. It is.

FIGS. 24 to 27 show the locking means 1.
Further, another embodiment of the rotary operation groove 14 formed in the panel holding portion 9 is shown. In the present embodiment,
An arc-shaped groove 14a is formed in communication with the rotary operation groove 14 of the embodiment shown in FIGS. That is, the arc-shaped groove 14a is formed so as to protrude on both sides in the lateral direction (that is, the direction perpendicular to the width direction) of the rotation operation groove 14, and the groove bottom of the arc-shaped groove 14a is
In the portion communicating with the rotation groove 4, it is located at a depth approximately half of the rotation operation groove 14. Here, the arc-shaped groove 14a
When the coin 20 is inserted, the leading end of the coin 19 is formed at the inner portion of the arc-shaped groove 14a and at the inner portion of the arc-shaped groove 14a. The groove width is such that it comes into contact with the inner surface of a portion having a depth of approximately half of the above by line contact. In other words, the inner surface of the inner part of the arc-shaped groove 14a and the inner surface of the part of the rotation operation groove 14 which is approximately half the depth are the coin contact part 20.

Thus, the blade 1 of the electric flathead screwdriver
14 is inserted and the rotary operation is performed. When the blade 17 of the manual flathead screwdriver is inserted and the rotary operation is performed, FIG.
16 is the same as that of the embodiment shown in FIG. 16, the description is omitted, but by inserting the coin 19 into the arc-shaped groove 14a, the coin 19 can be moved up and down the inner surface of the arc-shaped groove 14a and the rotation operation groove 14. In line contact with the coin contact portion 20 on the inner surface at a depth substantially in the middle of the direction, turning the coin 19 to rotate the locking means 10 with a strong force, and screwing into the through hole 6 in which the female screw 5 is cut. The male screw portion 13a of the projection 13 can be screwed or unscrewed. The arc-shaped groove 14a and the inner surface of the tapered rotary operation groove 14 communicating therewith serve to guide the blade 17 of the manual flathead screwdriver and the blade 15 of the electric flathead screwdriver into the rotary operation groove 14. Thus, the blade 17 of the manual flat-blade screwdriver and the blade 15 of the electric flat-blade screwdriver can be smoothly inserted into the groove of the rotary operation groove 14, so that the tightening operation and the loosening operation can be easily performed.

FIGS. 28 to 31 show the locking means 1.
Further, another embodiment of the rotary operation groove 14 formed in the panel holding portion 9 is shown. In the present embodiment,
In the embodiment shown in FIGS. 24 to 27 described above, the entire groove width of the arc-shaped groove 14a is the same as the width between the electric driver contact portions 16 at the upper end of the rotation operation groove 14, In accordance with this, the width of the groove from the upper end of the rotary operation groove 14 to the portion communicating with the groove bottom of the arc-shaped groove 14a is the width between the electric screwdriver contact portions 16 at the upper end of the rotary operation groove 14. It has the same groove width as. Therefore, in the present embodiment, the inner surface of the arc-shaped groove 14a and the inner surface of substantially the upper half of the rotation operation groove 14 constitute the coin contact portion 20,
By inserting a coin or coin-shaped tool 19 ′ thicker than that of the above-described embodiment into the arc-shaped groove 14 a, the coin or coin-shaped tool 19 ′ is substantially parallel to the inner surface of the arc-shaped groove 14 a and the rotation operation groove 14. The coin contact portion 20 on the inner surface of the upper half is surface-contacted, and the locking means 10 is rotated with a strong force by turning a coin or a coin-shaped tool 19 ′, and a threaded projection is formed in the through hole 6 in which the female screw 5 is cut. The male screw portion 13a of the thirteen can be screwed or unscrewed.

By the way, in most places, a floor panel 7 as shown in FIG. 12 is used, but near a wall or the like, a corner of the upper surface plate portion 32 has a substantially right angle as shown in FIG. The floor panel 7 'is used. In FIGS. 32 and 33, the column apparatus A has two floor panels 7 each having two arcuate locking step portions 39 formed at the foremost end portions of the corners on the four pedestals 8 of the panel receiver 4. And a floor panel 7 ′ having substantially right-angled corners.
This shows a case where the sheets are placed adjacent to each other. In such a case, the lid means 11 as shown in FIG. 34 is used. That is, the head 29 of the lid means 11 is
And a semi-circular upper surface portion 29 having the same diameter as or slightly smaller than the outer diameter of the central cylindrical portion 34 and a larger diameter than the lower head portion 29a.
Further, an engaging protrusion 38 is provided vertically downward at a lower central portion of the lower head portion 29a, and a protrusion 38a is formed on the outer surface of the lower end of the engaging protrusion 38. Is provided. Then, the female screw 5 of the central cylindrical portion 34 of the panel receiver 4
The engaging projection 38 is fitted into the through hole 6 cut off, and the projection 38 a is elastically engaged with the female screw 5, so that the lid means 11 is formed.
The lower part 29a is placed on the upper surface of the central tubular portion 34 to close the through hole 6, and the semicircular upper surface 29b is positioned at the foremost end of the adjacent corner of the floor panel 7. It is fitted into two arc-shaped locking steps 39. As shown in the figure, the foremost part of the corner of the floor panel 7 'in which the two corners have a substantially right-angled shape is placed on the upper part of the lower part of the head 29a where there is no semicircular upper part 29b. 32 and FIG. 33, and the upper surfaces of the two floor panels 7 ', the upper surface of the semicircular upper surface 29b, and the upper surfaces of the two floor panels 7 are flush with each other. Is continuous.

FIG. 35 shows another embodiment of the lid means 11. In this embodiment, not only the semicircular upper surface 29b but also the lower part 29a and the engaging projection 3 are provided.
8, the projection 38a also has a semicircular shape in plan view, and
The head lower than the straight line portion of each semicircular upper surface 29b in plan view.
The straight portions 9a, the engagement protrusion 38, and the protrusion 38a do not protrude outside. This lid means 11 is shown in FIG.
As shown in FIG. 6, an arc-shaped locking step 3 is formed at the forefront of the corner.
9 is used when a plurality of floor panels 7 each having a shape 9 are arranged in contact with the wall 40, and a lower portion 29a, an engagement protrusion 38,
Since each linear portion of the projection 38a does not protrude outside, as shown in FIG.
So that there is no hindrance in inserting and mounting.

FIG. 37 shows another embodiment of the lid means 11, in which the basic structure is shown in FIG.
However, in addition to this, a slit 22 or a groove is provided on the semicircular upper surface portion 29b, the engagement protrusion 38, and the like so as to be able to be divided into 1/2 in plan view. It is formed. Accordingly, the lid means 11 of this embodiment is used when a plurality of floor panels 7 each having an arcuate locking step 39 formed at the foremost end of the corner are in contact with the wall 40 as shown in FIG. Of course, as shown in Fig. 38, a floor panel 7 'in contact with the wall surface 40 and having a substantially right-angled corner and a floor panel formed with an arc-shaped locking step 39 at the foremost part of the corner. 7 are adjacent to each other,
Is cut in a slit 22 or a groove to form a quarter-circle in plan view, and the engaging projection 38 is fitted into the through hole 6 of the central cylinder 34 of the panel receiver 4 where the female screw 5 is cut. The outer peripheral end portion of the upper surface portion having a 円 circular shape in plan view is fitted only into the locking step portion 39 of FIG.

Here, as shown in FIG. 39, three floor panels 7 'each having a substantially right-angled corner and one floor having an arcuate locking step 39 formed at the foremost part of the corner. An arc-shaped locking step 39 is formed at the point where the corner of the panel 7 abuts, or at the corner of the wall 40 as shown in FIG.
37, the cover means 11 shown in FIG. 37 can be used as shown in FIGS. 39 and 40 by cutting it at the slit 22 or the groove to form a quarter circle in plan view. Things.

In FIG. 37, the semicircular upper surface 29
Although the example in which the slit 22 or the groove is provided on the upper surface portion of b is shown, the slit 22 or the groove may be provided on the lower surface side of the semicircular upper surface portion 29b and the semicircular lower portion 29a as shown in FIG. In this case, when used without being cut by the slit 22 or the groove, the slit 22 or the groove can be hidden so as not to be exposed on the upper surface side.

FIG. 42 shows still another embodiment of the lid means 11. In this embodiment, the engaging projection 38 has a lateral cutting groove 41 at a portion other than the projection 38a.
To provide a spring structure with the engaging projection 38 in a cantilevered support state, so that the elasticity of the engaging projection 38 can be further enhanced. 5 can be easily fitted into the cut through hole 6.

43 and 44, the thickness of the floor panel 7 'having a substantially right-angled corner is different from that of the floor panel 7 having an arc-shaped locking step 39 formed at the foremost end of the corner. An example of the case is shown. That is, the thickness of the floor panel 7 ′ having a substantially right-angled corner is t ₁ , the thickness of the floor panel 7 having the arcuate locking step 39 formed at the tip of the corner is t ₂ ,
_1> if the t _2, and FIG. 43, the thickness of the head 29 of the lid unit 11 for use in X portion of FIG. 44 and t _3, Figure 43,
Assuming that the thickness of the head 29 of the lid means 11 used in the Y portion of FIG. 44 is t ₄ , the relation is t ₄ = t ₃ + (t ₁ −t ₂ ). 43, the level of the panel receiver 4 is adjusted so as to be lower than the level of the panel receiver 4 in the Y part of FIGS. 43 and 44 by t ₁ -t ₂ dimensions. In supporting the floor panel 7 having the arc-shaped locking step 39 formed at the foremost part of the corner at the X portion of the portion X, the connecting piece 2 of the panel receiver 4 is used.
A spacer 42 having a thickness of t ₁ -t ₂ is mounted on the upper surface 4, and the lower surface of the corner of the panel body 33 of the floor panel 7 is mounted and supported on the spacer 42. A thick floor panel 7 'having a substantially right-angled corner has a corner placed on the upper surface of the lower part 29a. Here, as shown in FIG. 44, the outer peripheral portion of the semicircular upper surface portion 29b is fitted into the locking step 39 of the floor panel 7, and the thickness of the semicircular upper surface portion 29b is 44 and the upper surface plate portion 32 of the floor panel 7, and as a result, as shown in FIG. And are continuously flush.

FIGS. 45 to 47 show another embodiment. The basic structure is the same as that of the embodiment shown in FIGS. 32 to 34, but the floor has a substantially right-angled corner. A screw insertion hole 44 is provided at the corner of the panel 7 'as shown in FIG. 46, and the corner of the floor panel 7' having a substantially right-angled corner is placed on each half of the upper surface of the two adjacent pedestals 8. At the same time, the lower surface of the corner of the panel body 33 is placed on the connecting piece 24, and in this state, a screw 45 is inserted from the screw insertion hole 44 and screwed into the hole 24 a provided on the connecting piece 24. By doing so, the floor panel 7 ′ having a substantially right-angled corner is fixed to the panel receiver 4.

In the lid means 11 of each of the above-described embodiments, if the through-hole 6 is merely closed as shown in FIGS. 8 to 11, the lid means 11 is directly inserted into the through-hole 6 as described above. The floor panel 7 is engaged and mounted.
It is possible to wire under the floor by turning over
As shown in FIGS. 2 to 44, not only the through-hole 6 is closed but also the female screw 5 is formed by locking the engaging projection 38 of the lid means 11 in a portion covering the locking step 39 of the floor panel 7. By detachably engaging the cut lid means 11, the lid means 11 can be easily removed with one touch, and then the floor panel 7 is turned over to perform wiring under the floor.

[0035]

According to the first aspect of the present invention, as described above, a post provided with a male screw standing upright at the center of the substrate and a panel screwed to the upper portion of the post are provided. And a means for preventing rotation of the panel receiver. The panel receiver is formed at right angles to support each corner of the four floor panels around a female threaded through hole to be screwed with the column. A panel holder which is provided with four pedestals arranged in the directions, and which is attached by screwing into a female threaded through-hole of the panel receiver and presses a corner of a floor panel supported by the pedestal. The locking means having a portion and the lid means for detachably engaging and closing the hole of the through-hole are interchangeably mounted, so that the locking means is screwed into the female threaded through-hole. Select whether to attach or to attach the lid means by engagement Thus, in a passage or the like, a locking means is screwed into a female screwed through hole and attached, and each corner of the four floor panels supported by the four pedestals is pressed by the panel pressing part of the locking means. Each floor panel can be supported so that it does not rattle, and the floor panel does not rattle due to walking in a passage or the like. By engaging and mounting, the female screw threaded through-hole can be closed so that no dent is formed in the portion of the through-hole, and when wiring is performed, the female screw-threaded through-hole is covered with a cover means. Is simply attached by engagement, so that the wiring work can be easily carried out with the lid means attached or by simply removing the attached lid means and turning over the floor panel supported by the pedestal.

According to the second aspect of the present invention, in addition to the effect of the first aspect of the present invention, the leading edge locking step at the corner of the floor panel is fitted around the through hole. Four pedestals arranged at right angles to each other with a gap between them, so that the most advanced locking step at the corner of the floor panel is locked in the gap, and the floor panel supported by the pedestal Can be positioned and locked, and can prevent lateral displacement of the floor panel.

According to the third aspect of the present invention, in addition to the effects of the first or second aspect of the present invention, the locking means is provided with a female screw of a panel receiver on the lower surface of the panel holding portion. A screwing projection that is screwed into the through hole, and a rotation operation groove is provided at the center of the upper surface of the panel holding portion. When the rotation operation groove is a blade of an electric flathead screwdriver, the groove is used. Contact with the contact point for the electric flathead screwdriver provided at the upper end of the slot, in the case of the blade of a manual flathead screwdriver, with the contact section for the manual flathead screwdriver provided at the lower end of the groove, and in the case of a coin, in the middle of the groove The slot is configured so that it comes into contact with the coin contact part provided in the part, so even if you use the blade of an electric flathead screwdriver, the blade of a manual flathead screwdriver, or a coin, you can easily and securely insert it into the groove for rotation operation Then press the panel It is one that can rotate the handle portion, in which the rotation operation can be performed easily.

According to the fourth aspect of the present invention, in addition to the effects of the first or second aspect of the present invention, the engagement between the lower surface and the through-hole in which the female thread of the panel receiver is cut is provided. A lid having a semi-circular upper surface portion having a mating projection portion, the upper surface of which has a radius fitted on the most advanced locking step at the corner of the floor panel so as to be flush with the upper surface of the floor panel. Since the means is constituted, not only the through-hole threaded with the female means is covered by the cover means but also the two adjacent floor panels of the four floor panels at the outer periphery of the semicircular upper surface of the cover means. It can cover and support the corners.

According to a fifth aspect of the present invention, in addition to the effects of the fourth aspect, a slit for dividing the lid means into two quarter-circles in plan view. Alternatively, since the groove is provided, the corner portion of one floor panel can be covered and supported by the outer peripheral portion of the portion having a quarter-circle shape in plan view of the lid means.

[Brief description of the drawings]

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

FIG. 2 is a plan view showing a construction state in which the lock means is attached and four floor panels are pressed and supported.

FIG. 3 is a cross-sectional view of the same working state.

FIG. 4 is a perspective view showing a state where the lock means is attached.

FIG. 5 is a half sectional view of the same.

FIG. 6 is a plan view of the same.

FIG. 7 is a plan view showing a state before the lock means on which the floor panel is laid is attached.

FIG. 8 is a cross-sectional view of the construction state in which the lid means is attached.

FIG. 9 is a perspective view showing a state where the lock means is attached.

FIG. 10 is a half sectional view of the above.

FIG. 11 is a plan view of the same.

FIG. 12 shows an example of a floor panel used in the above, and (a)
3 is a schematic plan view, (b) is an enlarged plan view of a corner, (c) is an enlarged front view of the corner, and (d) is an enlarged bottom view of the corner.

FIG. 13 is a schematic perspective view showing another floor panel used in the embodiment.

FIG. 14 shows an example of the lock means used in the above.
(A) is a plan view, (b) is a front view, (c)
Is a front sectional view, (d) is a side view, and (e) is a side sectional view.

15 shows a state in which the blade of the electric screwdriver is inserted in the embodiment of FIG. 14, (a) is a front sectional view, (b) is a side sectional view, and (c) is ( It is an expanded sectional view of b).

16A and 16B show a state in which the blade of the manual screwdriver is inserted into the embodiment of FIG. 14, where FIG. 16A is a front sectional view, FIG. 16B is a side sectional view, and FIG. It is an expanded sectional view of b).

FIG. 17 is an explanatory view showing a problem in a case where there is a gap between the blade of the flathead screwdriver and the groove for rotation operation.

FIG. 18 shows another example of the lock means used in the embodiment;
(A) is a plan view, (b) is a front view, (c)
Is a front sectional view, (d) is a side view, and (e) is a side sectional view.

19A and 19B show a state in which the blade of the electric screwdriver is inserted into the embodiment of FIG. 18, wherein FIG. 19A is a front sectional view, FIG. 19B is a side sectional view, and FIG. It is an expanded sectional view of b).

20 shows a state in which the blade of the manual screwdriver is inserted into the embodiment of FIG. 18, (a) is a front sectional view, (b) is a side sectional view, and (c) is ( It is an expanded sectional view of b).

FIG. 21 shows still another example of the lock means used in the above embodiment;
(A) is a plan view, (b) is a front view, (c)
Is a front sectional view, (d) is a side view, and (e) is a side sectional view.

22 shows a state in which the blade of the electric screwdriver is inserted in the embodiment of FIG. 21, (a) is a front sectional view, (b) is a side sectional view, and (c) is ( It is an expanded sectional view of b).

23 (a) is a front sectional view, FIG. 23 (b) is a side sectional view, and FIG. It is an expanded sectional view of b).

FIG. 24 shows still another example of the lock means used in the embodiment;
(A) is a plan view, (b) is a front view, (c)
Is a front sectional view, (d) is a side view, and (e) is a side sectional view.

25 shows a state in which the blade of the electric screwdriver is inserted into the embodiment of FIG. 24, (a) is a front sectional view, (b) is a side sectional view, and (c) is ( It is an expanded sectional view of b).

26 (a) is a front sectional view, FIG. 26 (b) is a side sectional view, and FIG. It is an expanded sectional view of b).

27A and 27B show a state in which a coin is inserted in the embodiment of FIG. 24, wherein FIG. 27A is a front sectional view, FIG. 27B is a side sectional view, and FIG. It is an expanded sectional view.

FIG. 28 shows still another example of the lock means used in the above.
(A) is a plan view, (b) is a front view, (c)
Is a front sectional view, (d) is a side view, and (e) is a side sectional view.

29 shows a state in which the blade of the electric screwdriver is inserted in the embodiment of FIG. 28, (a) is a front sectional view, (b) is a side sectional view, and (c) is ( It is an expanded sectional view of b).

30A and 30B show a state in which the blade of the manual screwdriver is inserted into the embodiment of FIG. 28, wherein FIG. 30A is a front sectional view, FIG. 30B is a side sectional view, and FIG. It is an expanded sectional view of b).

31 shows a state in which a coin is inserted into the embodiment of FIG. 28, (a) is a front sectional view, (b) is a side sectional view, and (c) is a sectional view of (b). It is an expanded sectional view.

FIG. 32 is a plan view showing another arrangement example of the floor panel of the above.

FIG. 33 is a sectional view of the above.

FIGS. 34A and 34B show lid means used in the above, wherein FIG. 34A is a plan view, FIG. 34B is a front view, and FIG. 34C is a side view.

FIGS. 35A and 35B show another lid means used in Embodiment 1; FIG. 35A is a plan view, FIG. 35B is a front view, and FIG. 35C is a side view;

FIG. 36 is a plan view showing another arrangement example of the floor panel of the above.

FIG. 37 shows still another lid means used in the above.
Is a plan view, (b) is a front view, (c) is a side view, (d) is a rear view, and (e) is a bottom view.

FIG. 38 is a plan view showing another arrangement example of the floor panel of the above.

FIG. 39 is a plan view showing another arrangement example of the floor panel of the above.

FIG. 40 is a plan view showing another arrangement example of the floor panel of the above.

FIGS. 41A and 41B show another lid means used in Embodiment 1; FIG. 41A is a plan view, FIG. 41B is a front view, FIG. 41C is a side view, and FIG.

FIG. 42 is a perspective view of another lid means used in the embodiment.

FIG. 43 is a plan view showing another arrangement example of the floor panel of the above.

FIG. 44 is a sectional view of the above.

FIG. 45 is a plan view showing another arrangement example of the floor panel of the above.

FIG. 46 is a perspective view of the same.

FIG. 47 is a sectional view of the above.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Substrate 2 Male screw 3 Prop 4 Panel receiver 5 Female screw 6 Through hole 7 Floor panel 8 Pedestal 9 Panel holding part 10 Locking means 11 Lid means 12 Gaps 13 Screw projection 14 Rotation operation groove 15 Electric flathead screwdriver blade 16 Electric flathead screwdriver Screwdriver abutment 17 Manual blade screwdriver blade 18 Screw abutment for manual screwdriver 19 Coin 20 Coin abutment 22 Slit 39 Locking step

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Kenichi Shimizu 15-8 Minami-Beppu-cho, Settsu-shi, Osaka

Claims (5)

[Claims] 1. A post provided with a male screw standing upright at the center of a substrate, and a panel receiver screwed on an upper portion of the post.
The panel receiver is provided with means for preventing rotation of the panel receiver, and the panel receiver is disposed at right angles around the female screwed through hole to be screwed with the column to support each corner of the four floor panels. And a panel holding portion for holding the corner portion of the floor panel supported by the pedestal by being screwed into a female threaded through hole of the panel receiver. A double-floor support structure, wherein the lock means and the cover means for detachably engaging and closing the through-hole are detachably mounted. 2. A pedestal arranged at right angles to a through hole through a gap for fitting a leading edge locking step at a corner of a floor panel. The double-floor column structure according to claim 1, wherein: 3. The locking means includes a screwing projection on the lower surface of the panel holding portion, which is screwed into a female screw-threaded through hole of the panel receiving portion, and a rotation operation groove in a central portion of the upper surface of the panel holding portion. The rotating operation groove is in contact with an electric flathead screwdriver abutment provided at the upper end of the groove in the case of an electric flathead screwdriver blade, and the lower end of the groove in the case of a manual flathead screwdriver blade. The groove is formed so as to be in contact with the contact portion for a manual screwdriver provided in the portion, and in the case of a coin, to be in contact with the coin contact portion provided in the middle portion of the groove. Item 2. The double-floor support structure according to Item 2. 4. A lower surface is provided with an engagement projection for engaging a female threaded through hole of a panel receiver, and a radius of the upper surface is fitted on a topmost locking step at a corner of a floor panel. The double-floor column structure according to claim 1 or 2, wherein a lid means is formed by providing a semicircular upper surface portion which is flush with the upper surface of the floor panel. 5. The double-floor column structure according to claim 4, wherein the lid means is provided with a slit or a groove for dividing the lid means into two quarters in plan view.