JPH11131768A - Joint tool of floor material unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a joint tool of a floor material unit capable of preventing mutual adverse movement of the floor material unit at laying a floor material unit equipped with legs at its four corners on a floor ground material, and facilitating removal of the floor material unit during the installation of wiring. SOLUTION: The floor unit joint piece 1 is made into a square plate shape to allow four legs 13 of a floor material unit 11 being adjacent front and rear and right and left to be fitted therein, and two pair of pillar projections 4, 4 are disposed respectively at four corners of the bottom plate part 2. An L- shaped leg piece 13 of the floor material unit 11 is insertion held between the pillar projections 4, 4 and the peripheral wall plate 3 inner surface of the floor material unit joint piece 1, and intermediate leg pieces 15 are insertion held between each pair of the pillar projections 4, 4, thereby forming the adjacent floor material unit 11 laid on the floor ground material in a manner capable of being joined at its leg parts.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor material unit connecting tool for connecting a plurality of floor material units laid on a floor base material with their opposing end faces joined to each other.

[0002]

2. Description of the Related Art In recent years, with the automation of offices and the spread of multimedia, various OA devices have been used not only in office buildings but also in ordinary homes. For the installation of these OA equipment, a floor structure in which the floor of the building is made into a double structure (free access floor) to form a wiring arrangement space under the floor and the wiring is arranged in this space is widely adopted. Have been.

Conventionally, as a method of forming a wiring arrangement space on a floor base material, as shown in FIG. 12, legs 13 are projected from four corners of a lower surface of a square top plate 12. A general method is to lay a small table-like floor material unit 11 on a floor base material A and form a wiring arrangement space B between the lower surface of the top plate 12 of the floor material unit 11 and the upper surface of the floor base material A. Have been.

[0004]

However, according to the above-mentioned means, the plurality of flooring units 11 are spread in the front-rear, left-right direction with the opposing end surfaces of the flooring units 11 adjacent to each other on the floor base material A. When walking on the floor surface formed by the upper surface of the top plate 12 of the spread floor material unit 11 because the floor material unit 11 is shifted, the floor material unit 11 is shifted by the walking, and the floor material units 11 adjacent to each other are moved. There was a problem that a gap was formed between the floor materials 11 and the laid state of the floor material unit 11 could not be maintained.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned disadvantages, and is intended to connect adjacent floor units laid on a floor base material at their legs to connect the floor units. To provide a floor material unit connecting tool capable of maintaining an orderly laid state.

[0006]

In order to achieve the above object, according to the present invention, there is provided a floor material unit connecting device comprising a flat L-shaped leg at four corners on a lower surface and an intermediate portion provided in the leg. A connecting tool for connecting flat square flooring units protruding legs formed of leg pieces, wherein the length of one side is twice the width of one side of the L-shaped leg piece. A bottom plate part of a plane square shape equal to, a peripheral wall plate part of a constant height protruding from the four edges of the bottom plate part, and two columnar protrusions protruding from the four corners of the bottom plate part, The intermediate leg piece of the floor material unit is pushed and pinched between these columnar projections, and the flat L-shaped leg piece of the floor material unit is pressed and pinched between the columnar projection and the inner surface of the peripheral wall plate portion. It is characterized by.

According to a second aspect of the present invention, there is provided a floor material unit connecting tool according to the first aspect, wherein one side of the floor material unit is provided on an outer peripheral edge of a bottom plate portion of the floor material unit connecting tool. An outer peripheral bottom plate having a quarter width is provided integrally.

[0008]

The foot unit protruding from the four corners of the floor unit laid on the floor base material is pushed into one of the four corners of the floor unit connector, and the floor unit unit is connected. Attach one leg of the flooring unit to the corner of. Specifically, the L-shaped leg pieces of the legs protruding from the four corners of the flooring unit are pushed between the columnar projections and the inner surface of the peripheral wall plate portion, and are clamped between the columnar projections and the inner surface of the peripheral wall plate portion. The piece is pushed between the columnar projections and held between the columnar projections. Then, one leg of another floor material unit is attached to the other four corners of the floor material unit connecting tool to which the legs of the floor material unit are not attached in the same manner as described above. In this manner, the floor material units adjacent to the corners of the floor material unit at the four corners of the floor material unit connection tool with the floor material unit connection tool in the center are brought into contact with their facing end surfaces. Are linked by

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described based on embodiments with reference to the drawings. FIG. 1 is a perspective view of a floor material unit connector of the present invention, FIG. 2 is a cross-sectional view taken along line AA of the floor material unit connector shown in FIG. 1, and FIG. It is a perspective view of the state where the leg part of the flooring unit was inserted and fixed in the part.

As shown in FIGS. 1 to 3, a floor material unit connecting tool 1 according to the present invention has a flat square bottom plate 2 having a certain thickness, and a four-sided edge of the bottom plate 2 which extends upward. A peripheral wall plate portion 3 having a constant height and projecting toward the upper surface of the bottom plate portion 2;
And a pair of two columnar projections 4 having a height lower than the height of the columnar projections 4. The length of one side of the flat square bottom plate portion 2 of the floor material unit connecting tool 1 is set to the floor material unit connecting tool 1 described later.
Equal to twice the width of one side (L-shaped leg piece) 14a of the L-shaped leg piece 14 of the leg portion 13 projecting downward at the four corners of the lower surface of the floor material unit 11 connected by Is formed.

The peripheral wall plate portion 3 has a height lower than the height of the leg portion 13 of the floor material unit 11, and a slope 6 is formed by cutting the inner peripheral edge of the upper end obliquely over the entire circumference. The slope 6 and the reduced diameter portion 7 formed in the upper half of the columnar projection 4 make the L of the floor material unit formed between the columnar projection 4 and the inner surface of the peripheral wall plate 3 5a. The L-shaped legs 14 of the flooring unit can be easily pressed between the columnar projections 4 and the inner surface of the peripheral wall plate 3 because the L-shaped legs 14 of the flooring unit are easily formed.

The columnar projections 4 are provided at four corners of the bottom plate 2 in a direction perpendicular to the diagonal of the bottom plate 2 with a small interval from the diagonal. The distance 5a between the inner surfaces of the peripheral wall 3 facing the columnar projections 4 is set to be equal to or slightly smaller than the thickness of the L-shaped leg pieces 14 of the flooring unit.
The 5b distance is also adjusted to be equal to or slightly smaller than the thickness of the intermediate leg piece 15 of the floor material unit 11. The shape of the columnar projection 4 is cylindrical, and the upper half of the columnar body has a diameter reduced 7 upward.

Further, the bottom plate portion 2 of the floor material unit connecting tool 1
A cross-shaped groove 8 for dividing the planar shape of the bottom plate 2 into four small squares is formed on the outer bottom surface, and the lower end of the cross-shaped groove 8 is formed at the center of the outer surface of the peripheral wall plate 3. Each of the four end portions has a continuous vertical groove 8a. The cross-shaped groove 8 and the vertical groove 8a form a cut line, and as shown in FIG. 8 or FIG.
It is used as a mark when cutting into equal parts. The four ends of the cross groove 8 and the vertical groove 8a may be continuous through the through hole 9.

Next, the floor material unit 11 connected by the floor material unit connecting tool will be described. As shown in FIGS. 4 and 5, the floor material unit 11 has a top plate 12 having a square planar shape and legs 13, 13, 13.・ ・ Consists of

The top plate 12 has a small table shape, and is formed in a box lid shape to reduce the weight without lowering its strength. Specifically, the top plate portion 12 has a square planar shape.
a, a side surface portion 12b extending downward from the four peripheral edges of the top plate portion 12a, and a plurality of reinforcing walls 12c projecting from the lower surface of the top plate portion 12a and having the same height as the side surface portion 12b. Consists of

The legs 13, 13,... Protruding from the four corners of the lower surface of the top plate 12 are connected to the reinforcing wall 12c and the side surfaces 12c.
b is formed integrally with a part of b extending downward. That is, FIG. 6 is a perspective view in which the corners of the lower surface of the top plate 12 are enlarged, and the leg portion 13 has an L-shaped leg piece 14 and a side portion 12b facing the corner surface of the side portion 12b. The middle leg 15 extending diagonally to the top 12a from the corner of the top plate 12 and the L-shaped outer leg 16 facing the L-shaped leg 14 located at the corner of the side surface 12b of the top 12 One end of each of the two L-shaped leg portions 14a, 14a of the L-shaped leg portion 14 is connected at a right angle,
The other end edges 14b, 14b are integrated with the inner surface of the side surface portion 12b of the top plate 12 at a right angle in contact therewith. Also, the intermediate leg piece 15
Is connected between the right-angled corner of the L-shaped leg piece 14 and the corner of the top plate 12.

Next, the procedure for connecting the floor unit 11 using the floor unit connecting tool 1 will be described. FIG.
As shown in the figure, the corners of the L-shaped leg pieces 14 of the legs 13 of the floor material unit 11 are aligned with the corners of the peripheral wall plate 3 of the floor material unit connector 1, and The L-shaped leg pieces 14a, 14a of the L-shaped leg piece 14 are pushed into the space 5a between the inner surface of the peripheral wall plate 3 of the floor unit connecting tool 1 and the columnar projection 4 to form an L-shaped leg piece.
14 is sandwiched between the inner surface of the peripheral wall plate portion 3 and the columnar projection 4, while the intermediate leg piece 15 of the leg portion 13 of the flooring unit 11 is pushed into the columnar projection 4, 5 b, and the intermediate leg piece 15 is 4 to fix one leg 13 of the floor unit 11 to one corner of the floor unit connector 1.

In the same manner as described above, the floor unit connecting device 1
The leg 13 of another flooring unit 11 is fixed to the other corner. At this time, the length of one side of the bottom plate portion 2 of the floor material unit connector 1 is 2 times the width of one side (L-shaped leg portion 14a) of the L-shaped leg piece 14 of the leg portion 13 of the floor material unit 11. Since the floor material units 11 and 11 are fixed to the floor material unit connector 1, the adjacent floor material units 11 and 11
They are connected in a state where they are in contact with each other (see FIG. 7).

On the other hand, as shown in FIG. 7, when used for the outer legs 13, 13 of the outermost floor material unit 11 among the many floor material units 11 laid on the floor base material A, Does not use the floor material unit connecting tool 1 as it is,
The floor material unit connector 1 is cut along the grooves 8 and 8a formed in the bottom plate portion 2 and the peripheral wall plate portion 3, and as shown in FIG. Used at 1A. As described above, by using the floor material unit connecting tool 1 as a half size, the floor material unit connecting tool 1 is used.
The floor material units 11 and 11 can be connected without protruding from the side surface portion 12b of the top plate 12 of the floor material unit 11 and hindering the construction of the floor material unit 11.

Further, it is necessary to mount the floor material unit connector 1 on the corner leg 13 of the floor material unit 11 located at the corner of the floor material unit 11 laid on the floor base material A. However, since the floor material unit connecting device 1 is attached to the legs 13 other than the legs 13 as described above, the other legs 13
Is increased by the thickness of the bottom plate portion 2 of the floor material unit connecting tool 1, and it is necessary to adjust the leg portions 13 at the corners so that the height is increased by the thickness of the bottom plate portion 2 of the floor material unit connecting device 1. is there. In such a case, the floor material unit connecting tool 1 is cut along the grooves 8 and 8a formed in the bottom plate 2 and the peripheral wall plate 3, and the size is reduced to a quarter as shown in FIG. Used as the floor material unit connector 1B. In this way, by using the floor material unit connecting tool 1 as a quarter size, the floor material unit connecting tool 1 can be used as the side portion of the top plate 12 of the floor material unit 11.
It does not protrude from 12b and does not disturb the construction of the flooring unit.Moreover, the heights of the legs 13 of all the flooring units 11 can be the same height, and the flooring units 11, 11 can be connected and laid on the floor base material A.

As described above, by connecting a large number of floor units 11 in the front-rear and left-right directions by using the floor unit coupling device 1, the upper surface of the top plate 12 of the floor unit 11 is continuously connected. A continuous flat state is formed, and the flat surface constitutes a floor surface.

Then, the top plate of the laid floor unit 11
A wiring arrangement space B is formed between the lower surface of 12 and the floor base material as shown in FIG. 10, and the wiring C can be arranged using this wiring arrangement space B.

When the number of the wirings C arranged in the wiring arrangement space B is small, it is not necessary to arrange the arrangement state. However, when the number of the wirings C increases, the wirings C become entangled with each other. As a result, the wiring route becomes difficult to understand, and a situation may occur in which wiring installation work cannot be performed efficiently. In order to cope with such a situation, as shown in FIG. 11, the width of one quarter of one side of the floor material unit 11 to be connected to the outer peripheral edge of the bottom plate portion 2 of the floor material unit connection tool 1 is connected. And a plurality of columnar projections 10 projecting from the upper surface of the outer circumference bottom plate 9 at intervals so that the wiring C to be disposed can be inserted. Good.

If the floor material unit connecting tool 1 having the outer peripheral bottom plate 9 integrally formed on the outer peripheral edge of the bottom plate 2 is used, the floor material unit connecting tool 1 is placed on the floor base material in the front-rear and left-right directions. By laying them down without gaps, the peripheral wall plate portion 3 and the columnar projections 4 of the floor material unit connector 1 can be accurately arranged at the positions where the legs 13 of the floor material unit 11 are arranged. Therefore, the floor material unit 11 is immediately disposed at an appropriate position on the floor base material A simply by fitting the leg 13 of the floor material unit 11 into the floor material unit connecting tool 1 disposed at an appropriate position as described above. be able to.

Moreover, the mounting surface formed by joining the outer peripheral bottom plate portion 9 in the front-rear and left-right directions can be used as a mounting surface for the wiring to be arranged, and this wiring mounting surface is a peripheral wall plate. Since the portion 3 is isolated from the connecting portion of the leg 13 of the flooring unit 11 (the inner portion of the peripheral wall plate portion 3), the wiring provided on the wiring mounting surface is inadvertently inserted into the leg 13 Of the flooring unit 11 without moving to the connecting portion of the flooring unit 11.
An unexpected situation such as being pinched can be prevented.

Further, if a large number of columnar projections 10 are provided on the upper surface of the outer peripheral bottom plate 9 at intervals so that wiring can be inserted, the wiring arrangement formed between the columnar projections 10 can be formed. Installation gap D
By inserting and positioning the wires one by one from above, a large number of wires C can be arranged neatly.

In the above embodiment, the length of one side of the top plate portion 12a of the floor material unit 11 is twice as long as the length of one side of the bottom plate portion 2 of the floor material unit connector 1. However, the present invention is not limited to this, and the length of one side of the top plate portion 12a of the floor material unit 11 is formed to be an integral multiple of the width of the L-shaped leg piece portion 14a. You may keep it.

[0028]

According to the floor material unit connecting tool of the present invention, a flat square having a flat L-shaped leg and an intermediate leg provided in the leg at the four corners of the lower surface is provided. A connecting tool for connecting floor-shaped flooring units, wherein the length of one side is equal to twice the width of one side of the L-shaped leg piece, a flat square bottom plate, and four sides of the bottom plate It consists of a peripheral wall plate having a constant height protruding from the edge and two columnar protrusions protruding from the four corners of the bottom plate, and the intermediate leg piece of the flooring unit is interposed between these columnar protrusions. It is characterized in that the flat L-shaped leg piece of the floor material unit is pressed and pinched between the columnar projection and the inner surface of the peripheral wall plate portion, so that the leg portion of the floor material unit is When pressed into the corner of the flooring unit from above, L
The L-shaped leg piece is received and abutted on the inner surface of the peripheral wall plate portion, and is sandwiched between the peripheral wall plate portion and a column-shaped projection erected from the peripheral wall plate portion by the thickness of the L-shaped leg piece. Also, the intermediate leg piece of the flooring unit is also securely clamped and fixed between the columnar projections. In addition, since the bottom plate is formed in a flat square shape equal to twice the width of one side of the L-shaped leg piece, the floor material units connected by the floor material unit connecting tool may have a gap therebetween. It is connected without. Therefore, even when a force is applied to the floor unit by, for example, walking on the floor constituted by the upper surface of the top plate of the floor unit, the connection structure retains the state, and the gap is maintained between the floor units. Does not occur.

In addition, since each of the laid flooring units can be individually pulled out and pushed in the vertical direction in the flooring unit connecting tool without delusion in the front, rear, left and right directions, the flooring unit After laying, the floor unit on which the wiring route is located is extracted and the desired arrangement is made, and then the extracted floor material unit is fitted into the original position. Can do well.

The upper half of the columnar projection of the floor material unit connecting tool may be reduced in diameter to form a reduced diameter portion, and a slope may be formed on the inner peripheral edge of the upper end of the peripheral wall plate of the floor material unit connecting tool. If this is the case, it becomes easy to attach the legs of the floor material unit to the floor material unit connecting tool, and the work of laying while connecting the floor material units becomes smooth.

Further, a narrow groove is formed in the bottom plate portion and the peripheral wall plate portion of the floor material unit connector in a cross shape as a guide for cutting the floor material unit connector into two or four parts. By using this narrow groove as a guide, the floor material unit connecting tool can be cut accurately into two or four equal parts, and the bisected connecting base is used for the floor material unit to be laid. For the connection of the outermost flooring unit,
Also, the floor unit linking tool divided into four parts can be used as a leg of a floor unit located at a corner of the laid floor unit.

As shown in FIG. 11, an outer peripheral bottom plate having a width of one-fourth of one side of the top plate of the floor unit is integrated with the outer peripheral edge of the bottom unit of the floor unit coupling. By laying the floor material unit connector on the floor base material without gaps, the peripheral wall plate and the columnar projection can be immediately and accurately disposed at the positions where the legs of the floor material unit are disposed. it can. Therefore, the floor material unit is disposed on the floor base material by connecting the floor material unit legs to the connecting portions of the floor material unit legs formed by the disposed peripheral wall plate portions and the columnar projections from above. You can do it just by pushing it in.

Further, the outer peripheral bottom plate portion provided integrally with the outer peripheral edge of the bottom plate portion is provided with wiring arranged in a wiring arrangement space formed between the lower surface of the top plate of the floor unit and the floor base material. The wiring placement surface is separated from the connecting portion of the leg of the flooring unit by the peripheral wall plate portion, so that the wiring provided on the wiring placement surface is separated from the flooring unit. It is possible to prevent an unexpected situation in which the protruding wiring protrudes into the connecting portion of the leg portion and the protruding wiring is pinched by the leg portion of the flooring unit.

Finally, if a large number of columnar projections are protruded from the upper surface of the outer peripheral bottom plate at intervals so that wiring can be inserted, wiring arrangements formed between the columnar projections can be provided. Since wires can be inserted and arranged one by one in the space for use, even if there are a large number of wires to be arranged, the wires can be arranged neatly for each wire.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a floor material unit connecting tool of the present invention.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a perspective view showing a state where legs of the floor material unit are inserted into the floor material unit connecting tool.

FIG. 4 is a perspective view of a floor material unit to which the floor material unit connecting tool of the present invention is applied.

FIG. 5 is a perspective view showing a bottom surface side of the flooring unit of FIG. 4;

FIG. 6 is an enlarged perspective view of a leg of the flooring unit.

FIG. 7 is a bottom view showing a connection state of the legs of the flooring unit.

FIG. 8 is a perspective view showing a floor material unit connector that is bisected.

FIG. 9 is a perspective view showing a floor unit linking tool divided into four parts.

FIG. 10 is a simplified perspective view showing a state where wiring is arranged in a wiring arrangement space.

FIG. 11 is a perspective view showing another embodiment of the floor material unit connecting tool.

FIG. 12 is a perspective view showing an arrangement state of a conventional floor material unit on a floor base material.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Floor material unit connection tool 2 Bottom plate part of floor material unit connection tool 3 Peripheral wall plate part of floor material unit connection tool 4 Columnar projection 6 Slope of peripheral wall plate part 7 Reduced diameter part of columnar projection 8 Strip groove 11 Floor material unit 12 ceiling Plate 12a Top plate 12b Side 12c Reinforcement wall 13 Legs 14 L-shaped leg 14a L-shaped leg 15 Middle leg

Claims (2)

[Claims] 1. A flat square flooring unit having a flat L-shaped leg and an intermediate leg provided in the leg at four corners of a lower surface thereof for connecting flat square flooring units. A bottom plate portion having a square shape having a side length equal to twice the width of one side of the L-shaped leg piece, and a constant height projecting from four edges of the bottom plate portion. A peripheral wall plate portion and two columnar projections projecting from the four corners of the bottom plate portion. The intermediate leg piece of the flooring unit is pushed and sandwiched between these columnar projections. A floor material unit connector characterized in that a flat L-shaped leg piece of the floor material unit is pushed and sandwiched between inner surfaces of the sections. 2. The floor material unit connecting device according to claim 1, wherein an outer peripheral bottom plate portion having a width of one quarter of one side of the floor material unit is integrally provided on an outer peripheral edge of the bottom material portion connector. The flooring unit connector according to the above.